High and low temperature alternating heat and humidity test chamber technical requirements

The high and low temperature alternating heat and humidity test chamber can simulate various temperature and humidity environments, and is suitable for testing the technical requirements of high and low temperature alternating heat and humidity test chamber.


I. Overview
1. The equipment requirements for this project are:

Numbering

Device name

Quantity

Remarks

1

High and low temperature alternating heat and humidity test chamber

1 set

Nominal content of 20 cubic meters

2. Equipment use: It can simulate various temperature and humidity environments, and is suitable for testing electronic components, finished products, semi-finished products, semiconductors, rubber, plastic glue, metal and other products, meeting GB/T 2423.1-2008, GB/T 2423.2-2008, GJB 150.3-1986, GJB 150.4-1986, GB/T 2423.4-2006, GB/T 2423.4-2006, GJB 150.9-1986 parameters of reliability and stability in various harsh environments;

3. All technical requirements, the bidder must provide it according to the actual situation. If there is any falsehood, the bidder will bear all the responsibilities and losses after verification. Regardless of whether there is deviation, the bidder shall answer the technical requirements in the technical requirements of the bidding item by item, and the order shall be consistent with the technical requirements, otherwise the bid shall be invalid.
2. High and low temperature alternating heat and humidity test chamber supply division and separate quotation
2.1. The scope of supply of the bidder must include but is not limited to the following table. Not included in the following table, but the equipment provided by the bidder shall be quoted separately and included in the total bid price;



Serial number

Device or part name

Description (brand and model)

Quantity

Unit price (RMB)

Total (RMB)

1

High and low temperature alternating heat and humidity test chamber



1





2

Screen test special turnover car

Stainless steel "target=_blank> stainless steel-like material for screens up to 65 inches

2





3

Detachable single-layer shelf



1





4

USB function (PC - USB flash drive - controller program data transfer)

USB flash drive, PC software CD

1





5

Pure water machine (Q≥1T/h)

Reverse osmosis pure water device

1





6

Cooling Tower

Kang Ming, Mali

1





7

Total price (including 17% tax, equipment packaging and transportation fee, door installation and commissioning fee, after-sales maintenance fee)





2.2. Equipment power supply and environmental conditions:

2.3.1. Power supply: Three-phase four-wire + protective earth line AC 380±10%, 50Hz;

2.3.2. Working environment temperature: 5 ~ 40 ° C, maximum relative humidity: 85%, pressure 86kPa ~ 106kPa;

2.3.3. Tap water: flow rate ≥ 200kg / h, pressure 0.1 ~ 0.25MPa;
Equipment parameters and requirements
3.1. Temperature range: -40 ° C -85 ° C, fluctuation: ≤ ± 0.5 ° C; uniformity: ≤ 2 ° C; temperature and humidity control range (no active wet, hot load);

Humidity range: 20%~98% RH, fluctuation ≤±2% RH;

Relative humidity deviation: 75% RH or less: ≤ ± 5% RH, 75% RH or more: ≤ ± 2% RH;

Display resolution: Temperature: 0.01 ° C, Humidity: 0.1% RH, Time: 1 min

Average temperature rise: ≥2°C

Average cooling: ≥1°C



3.2 Structure and material:

The whole structure adopts split type, which consists of three parts: box, refrigeration/dehumidification unit and electronic control. The box body is made of independent multi-standard heat preservation library plate, which is welded and assembled on site. The refrigeration unit is placed on the outer side of the box to reduce the vibration and noise of the refrigeration unit during operation, and it is convenient for the equipment. Installation and maintenance; electrical control cabinet is installed separately for easy operation

1. Inner box size: standard volume 20m3
2. Outer box size: The reserved space for planning and design drawings is 6400mm long × 4000mm wide. Please design according to the reserved site size.

3. Door Size: Double door width 1800mm × height 1800mm

Configurable door observation window, tempered glass with built-in heating element, effective view W500mm×H600mm

The observation window glass is made of frost-free glass, and the test condition of the test sample in the box can be clearly observed through the observation window at any time.

The sealing of the door frame is sealed with special high and low temperature resistant materials. It must ensure that the aging deformation does not occur under high and low temperature conditions for a long time. If the sealing strip is damaged, it is easy to replace (the service life of the door sealing strip should be indicated).

The inside of the door frame is welded with reinforcing ribs to ensure its strength and prevent deformation of the door.

The heating wire is applied around the door frame, and the temperature of the door frame is required to maintain the temperature > 0 ° C at any time, and the voltage is below the safe voltage (36 V).

4, the outer wall material: ≥ 1.0mm thick double-sided galvanized steel, the surface of the paint treatment.



5. Inner box material: Stainless steel "target=_blank> stainless steel plate SUS#304, thickness ≥1.0mm

Base plate: 150mm high-density rigid foam insulation special floor + thickening 3mm SUS#304 stainless steel "target=_blank> stainless steel plate flat bottom plate, to ensure that the load is not less than 1000kg / m2 (evenly distributed), surrounded by a sink and drain hole .

6. Outer box material: color steel plate, ivory white

7. Insulation material: 150mm high density rigid foam insulation

8. Test hole: Two Φ100mm lead holes are provided on the side of the box, and the test hole is equipped with a silicone rubber soft plug and a hole cover.

9, lighting: explosion-proof LED energy-saving lamps, illumination ≥ 200mlux.

8. Equipment running noise: below 70dB, the test method is in accordance with the standard ZB N61 012

3.3. Equipment system configuration:

3.3.1 Refrigeration system

a. Compressor: Brand Germany BITZER, 380V 50HZ 20HP × 2 group (multi-layer for low temperature, fast cooling) +15HP × 1 group (for high temperature and high temperature and high humidity), another compressor outside the cabinet High and low pressure meter (for easy observation of compressor operation), the second stage compressor increases the high pressure gas storage tank with a capacity of 10L.

b. Water-cooled shell-and-tube condenser with pressure resistance of 2.8MPa. The condenser end cover in the equipment box is easy to disassemble and maintain.

c. Refrigerant: Brand - Honeywell / DuPont, R404A (environmental refrigerant) + R23 (environmental refrigerant)

d. Evaporator: Multi-stage automatic load capacity adjustment.

e. Expansion system: High temperature compressor adopts R404 refrigerant, all refrigeration system adopts R404 refrigerant, throttle device has thermal expansion valve and electronic expansion valve, expansion valve requires welding, brand uses Danfoss.

f. Refrigeration piping system: The entire piping system, the return air pipe adds a one-way valve, the liquid supply pipe must have a one-way valve, an expansion valve, and the front end of the electromagnetic valve uses a shut-off valve. The brand uses Danfoss.

g. Other accessories: Danfoss dry filter from Denmark, Danfoss refrigerant flow window and repair valve

h. Intercooler: Intermediate condenser requires the use of imported (Danfoss)

3.3.2 Damp heat system

a. Heater: Explosion-proof heater with nickel-chromium alloy electric heating tube heater, heater control method using solid-state breaker

b. Humidifier: Electric humidifier, specifications and models are provided by the manufacturer according to humidity requirements

c. Humidification system: The steam pipe in the box maintains a 30° inclination angle, and the flanges are connected in sections, and the lower end of the steam pipe leaves the drain port to the water receiving tray.

d. Water supply system: The tap water is treated by the reverse osmosis pure water device and then added to the water storage tank.

3.3.3 Circulating air system

a. Air circulation system: High temperature resistant motor, the quantity specifications are configured by the manufacturer. Forced circulation air supply guarantee uniformity index

Air supply method: air conditioning box (built-in) blows out

b. Solenoid valve: Heron Palace, Danfoss, Japan

3.3.4 Product Test System:

The stainless steel "target=_blank> stainless steel trunking is arranged inside the box, the specification is 100mm*50mm, and three 5KW adjustable transformers are arranged, which can be automatically controlled by power-off.

3.4. Measuring device

1. Controller specifications: use the first-line brand of the import market

.temperature ±0.01%+1 digit FS, humidity ±0.1%RH+1digit FS

Resolution: Temperature 0.01 ° C

With upper and lower limit standby and alarm function

Two kinds of temperature and humidity input signals select PT 100 or mv two choices

PID control parameter setting, PID automatic calculation

b. Screen display function:

Adopt picture-to-talk mode, no need to input key, direct touch option

Temperature and humidity setting (SV) and actual (PV) values ​​are displayed directly

Can display the current execution program number, the number of times, the remaining time and the number of cycles

.Accumulated cumulative time function

The temperature and humidity program setting value is displayed in a graphical curve with real-time display program curve execution function.

With separate program editing screen, each page can input multiple sections of temperature and humidity, time

Fixed point or program action status display

.Chinese and English display

The screen can be used for backlight adjustment

. Screen display protection function can be used for timing, TIMER or manual off setting

Fault code display

c. Program capacity and control functions:

The amount of programs that can be used: up to 120 groups

. Usable memory capacity: 1200SEGMENTS

Repeatable execution of commands: up to 999 per command

The program is produced in a dialogue style with editing, clearing, inserting, etc.

With 2 sets of time signal output control (can control the ON/OFF action of the object to be tested)

Program execution has a jump file, keep function

.SEGMENT time setting 0~99Hr59min

With power-off program memory, automatically start and continue to execute program functions after power-on

With RS-232 communication interface (free software)

Display the graph curve in real time while the program is executing

With scheduled start and shutdown functions

.With date and time adjustment

.Key and screen lock (LOCK) function

2. Temperature and humidity sensor: PT100 type thermal resistance (dry and wet bulb)

3. Controller requirements

a. Temperature and humidity curve: no paper record, built-in recording program, the memory inside the controller can store 24H for more than 300 days.

It is convenient to automatically generate the temperature and humidity curve file and save it as an XLS form.

b. Perfect interface: external USB port, easy to export historical data such as U disk

c. External LAN standard network interface: no need to configure the server, you can access the company's computer local area network.

d. Real-time monitoring can be done: such as monitoring controller real-time data, signal point status, actual output status, etc.

e. Auxiliary functions: fault alarm and cause, processing prompt function, power-off protection function, upper and lower limit temperature protection function, calendar timing function (automatic start and automatic stop operation), self-diagnosis function

3.5. Safety device:

Refrigeration system: compressor overload overheating, overpressure protection, low voltage protection, system overcurrent protection, oil pressure protection, (brand Danfoss)

Circulating fan: overheat protection relay, overload protection (brand Schneider, Germany);

Humidification system: humidification heating tube over-temperature protection (dry burning), abnormal water supply, abnormal drainage protection;

Heater: over temperature protection;

The test box has an adjustable electronic over-temperature protection device, the test space temperature fuses, and the air-conditioning channel is over-temperature;

Total power supply: phase sequence protection, phase loss protection, equipment leakage protection, overload and short circuit protection (brand Schneider);

Cooling circulating water: water flow water pressure protection (delay), water tank water shortage protection;

The controller should have a self-diagnostic fault and display function. Power regulator (20KVA) and time control fluctuation power-off control box for machine socket in the box

3.6 There is an emergency stop button, which can be used to brake the equipment through an emergency stop button in the event of an accident;
4. Spare parts
4.1. The bidder shall provide a batch of free spare parts and provide a free spare parts list;

4.2. The bidder also provides a list of spare parts for the following year, including name, specification and model, price, and total price. Spare parts for the following year must be quoted separately and included in the total bid price.
5. Equipment installation and commissioning, training, and work materials
5.1 After the equipment arrives at the bidder's site, the bidder shall send the engineering and technical personnel to the place where the bidder is located to open the box and inspect the unpacking inspection report. If any missing, wrong or damaged parts are found, The supplier shall reissue and replace it free of charge within 3 days. After the confirmation is correct, the bidder's technical personnel shall carry out the installation and commissioning, and the bidding party shall fully cooperate with the bidder's installation and commissioning work, and the total time for equipment installation and commissioning shall not exceed 15 days;

5.2 Equipment installation and commissioning requirements: meet the technical requirements, quality requirements and schedule requirements of the tendering party; comply with the construction and safety regulations of the tendering party; meet the requirements of the design drawings; comply with the relevant laws, regulations, policies or regulations of the State and the tendering party. Any loss caused to the bidder by the bidder's work mistakes shall be handled in accordance with the commercial terms;

5.3 Training: The bidders provide free technical training and training materials, including equipment operation, maintenance, abnormal handling, safety common sense, etc.

5.4 High and low temperature alternating heat and humidity test box delivery data: The delivery data are required to be available in Chinese or Chinese and English. Each device provides the following two materials:

Equipment operation manual

Equipment maintenance manual (including electronic version)

Equipment electrical schematic

Equipment overview

Equipment key component specification

Spare Parts Manual (including consumable parts list)

Parameters Table

Equipment floor plan

Equipment foundation diagram

PLC program (non-encrypted electronic version and paper version)

Equipment certificate

Equipment safety use commitment, etc.

Test report on toxic and hazardous substances in equipment or instructions/declaration on hazardous substances in products

Product clearance certificate and instruction manual for all purchased parts. 6. Acceptance of equipment acceptance equipment shall be carried out at the tendering factory.

6.1. The equipment meets all technical requirements of the technical requirements of this tender, and is subject to acceptance according to technical requirements;

6.2. At the time of acceptance, the bidder shall invite the metrological inspection department of the country to conduct the inspection and acceptance. According to the acceptance result of the national metrological inspection department as the important basis, the measurement cost shall be borne by the bidder, and the re-measurement cost due to the unqualified product measurement shall be The bidder shall bear the cost of delay in delivery; test the environmental conditions, the ambient temperature is +25 °C, the relative humidity is ≤85%, and there is no sample in the test chamber; the test method is based on GB/T 5170.2-2008 temperature test. Equipment, GB/T 5170.5-2008 damp heat test equipment;

6.3. Acceptance of the overall manufacturing quality and appearance of the equipment;

6.4. If all the above requirements are met, the equipment will be finally accepted.
7. High and low temperature alternating heat and humidity test chamber quality assurance and after-sales service
7.1. Give the location and sketch of the points required for routine maintenance of the equipment.

7.2. Equipment design and service life: more than 10 years.

7.3. Equipment quality assurance period: The warranty period of the whole equipment is 24 months from the date of final acceptance of the equipment (including new spare parts replaced by the manufacturer), but the wearing parts and equipment damage caused by abnormal operation are not. Within the scope of warranty.

7.4. Regardless of whether the equipment is in the quality assurance period or not, if the equipment fails, the bidder's service personnel shall give technical answers within 4 hours after receiving the notification from the bidding party. If the fault cannot be solved, the bidder shall send a technician at 24 Arrive at the scene within an hour and resolve the fault no more than one week at the latest. All losses caused to the tenderer shall be handled in accordance with commercial terms.

7.5. During the quality assurance period, if the equipment fails due to the design, manufacture and installation quality of the bidder, the bidder shall provide spare parts and repairs free of charge, and all losses caused to the bidder shall be handled in accordance with the commercial terms. The bidder promises to be responsible for the after-sales service outside the warranty period, and provide technical support for the long-term, assist the bidder to carry out maintenance, overhaul, relocation, transformation, etc. of the equipment. The service outside the warranty period only charges the spare parts fee and the cost.
Eight. Time requirements for providing design drawings
8.1. If the bidding unit wins the bid, it shall provide the bidder with the overall layout plan of the equipment (AutoCAD format), power demand, etc. within 10 days after receiving the bid winning notice;

8.2. If the bidder wins the bid, it shall provide a detailed design of the equipment before it is formally put into production, and the contract will be reviewed and approved by both parties. (Non-standard equipment)

























































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