Aging equipment

Burn-in cabinets and burn-in cabinets are semi-finished and finished products that use BURN-IN (pre-burning) to remove early failure and unqualified components, so that the reliability of the product is relatively improved after entering the market, and the product is indeed no problem. It is mainly suitable for related electronic communication industries such as computers, servers, MONITOR, power supplies, and electronic switches. It can be designed according to the size required by customers, and it is convenient to relocate and assemble in the future. The dedicated power supply for the test object is synchronized and connected with the machine's safety protection system. Adopting the design of HEATING BOX and explosion-proof heater, advanced servo proportional integral differential control, safe, stable and reliable. The indoor safety door can be opened to ensure the safety of personnel. Multiple over-temperature external air extraction safety protection devices and pressure explosion-proof hole design can make your test foolproof. The contact type microcomputer controller and time counting device are adopted to make the experiment more convenient and accurate. Additional equipment: temperature microcomputer automatic recorder test special trolley.

This LH series LCD aging visual tank is suitable for the temperature aging process in the production process of industrial products. It has the characteristics of high temperature control accuracy and wide control range. Its performance indicators comply with the IEC540 standard "The basic parameter verification method of environmental testing equipment for electrical and electronic products, The requirements of "Aging Test Equipment" have been tested by Shanghai Testing Technology Research Institute and Environmental Testing Equipment Quality Supervision and Inspection Center.

The chamber body adopts a bottomless structure, which is convenient for loading and unloading of test products. The inside and outside are sprayed with cold-rolled plates, and the rigid polyurethane foam is used for heat insulation;

The heating circulation stirring system is designed on the top of the chamber body, and the special air duct design is designed to improve the temperature uniformity and ensure the maximum working width of the studio. There are 2 groups at the front and rear, and each group has 4 floor sliding doors, and the A-shaped middle opens; Type B moves left and right. The observation window has good transparency.

Imported controller with PID adjustment function;

With leakage protector (overload, short circuit, leakage protection, temperature overrise preventer, heater disconnection protection circuit, motor overload, phase loss protection, over temperature protection, four-color sound and light alarm, etc., to enhance safety performance.

This laboratory can be designed and customized according to user requirements.

1. Product technical parameters

1.1 Temperature range: R.T+10 ~ +55℃;

1.2 Fluctuation: ±0.5℃;

1.3 Temperature deviation: ≤±3.0℃; (under no-load condition)

1.4 Working size: D635×W1600×H1800, depth×width×height mm;

1.5 Dimensions: D750×W2000×H2350, depth×width×height mm; (sliding door)

1.6 Heating power: 9.0KW;

1.7 Overall power: about 11.0KW; s

1.8 Power source: 380V, 50Hz; three-phase five-wire system.

2. Measurement and control system

2.1 Temperature measurement: Pt100 platinum resistance;

2.2 Control system: PLC+human-machine interface, PID control temperature regulator, through non-contact solid state relay to control the heater action, so that the heat loss of the system can be in its heating capacity, so it can run stably for a long time; the temperature resolution is 0.1( (Three share one control system)

2.3 Complete sets of electrical appliances: use Snyder contactors, ANV solid state relays; Delta PLC and Taiwan brand man-machine interface;

2.4 Over-temperature protection: independent of the main controller, dial type, over-temperature upper limit protection, cut off heating power and product power;

2.5 Mode of operation: full range adjustable constant temperature, constant operation

3. Chamber structure and materials

3.1 Box material: The outer box is made of SS41# medium carbon steel plate treated with phosphoric acid film salt and sprayed, and the spraying color is computer gray;

3.2 Interior room and air duct material: SUS304# mirror stainless steel;

3.3 Insulation material: ultra-fine glass wool, 80mm insulation layer;

3.4 Exhaust from load zone and test zone: 4" (ф101.6mm), maximum exhaust air volume:> 1200m/h, install automatic exhaust air regulator;

3.5 Air inlet: 4" (ф101.6mm), with automatic air inlet adjusting device installed;

3.6 Air circulation device: large-capacity special high-temperature-resistant long-axis motor, stainless steel multi-wing centrifugal wind wheel;

3.7 Observation window: W430*H1380mm, double-layer high temperature resistant tempered glass.

3.8 Gate: It adopts push-pull form.

3.9 Heating method: high-quality special high-temperature stainless steel electric heater;

3.10 Related parameters of power aging rack: A single aging rack can age 24 products (350mm×350mm) at a time, and the product gap is 18mm.

1) Dimensions of aging rack: L1540×W575×H1730, mm;

2) The material of the main frame of the aging frame: A3 square pass 25×25×2.0 and welded sheet metal parts;

3) The number of layers and height of the aging rack: 6 layers, each layer is 210mm high, and a layer of bakelite board is laid on each layer to prevent electrical conduction;

4) Each aging product 24PCS, each product position is equipped with a power socket, which can be controlled by the controller, and the on and off can be controlled by time sequence. When the system fails, the power of the product will be automatically cut off (such as smoke alarm, over-temperature protection, etc.) To ensure the safety of the tested product

5) The aging rack is divided into product area and load area. The middle is separated by bakelite. Test products are placed in the product area, and the load for the test product is placed in the load area. The load and its connecting line are provided by the customer; the load area is not controlled by temperature and is installed. The exhaust fan draws air, and discharges the heat of the product due to load work so that it can be maintained at a normal temperature. 

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