CN201281746Y - Hot load cyclic test stand - Google Patents
Hot load cyclic test stand Download PDFInfo
- Publication number
- CN201281746Y CN201281746Y CN 200820302666 CN200820302666U CN201281746Y CN 201281746 Y CN201281746 Y CN 201281746Y CN 200820302666 CN200820302666 CN 200820302666 CN 200820302666 U CN200820302666 U CN 200820302666U CN 201281746 Y CN201281746 Y CN 201281746Y
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- test
- temperature controller
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- worktable
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Abstract
The utility model discloses a thermal load cycle test-bed, which comprises a working table (1), wherein, a test circuit is arranged inside the working table (1); a test fixture (2) is arranged on the working table (1); a vent (3) is arranged on the working table (1) under the test fixture (2); a fan (4) is arranged under the vent (3); and a control element, a display instrument and a wire connecting terminal are also arranged on the working table (1). In the prior art, only a common conventional test is carried out to detect a diode and a thermal load cycle test is not carried out before no thermal load test facilities are adopted formerly, so that the products possibly have quality problems such as bad thermal stability, short service life, etc. The thermal load cycle test-bed can perform multi-bit diode thermal load cycle test at the same time.
Description
Technical field
The utility model relates to a kind of testing table, particularly a kind of heat load cyclic test platform.
Background technology
At present, the enterprise of automobile-used bridge rectifier component, when carrying out the diode examination and test of products, whether general main is to come the testing product electrical quantity qualified by conventional instrument, the key element diode that constitutes rectifier stack is not comprehensively tested, may there be quality problems such as weak point in serviceable life in the product of production.Therefore there is certain limitation in checkout procedure, can not carry out complete comprehensive overall performance to product and detect, and with the qualification rate of the product that guarantees to dispatch from the factory, the protection consumer's interests improve the goodwill degree.
The utility model content
The purpose of this utility model is, a kind of heat load cyclic test platform is provided.Can carry out the heat load cyclic test to the key element commutation diode that constitutes rectifier stack, the thermal fatigue life of check diode.With the qualification rate of the product that guarantees to dispatch from the factory, the protection consumer's interests improve the goodwill degree.
The technical solution of the utility model: a kind of heat load cyclic test platform, comprise worktable, be provided with test circuit in the worktable; Worktable is provided with one group of test fixture, and the worktable of test fixture below is provided with air vent, is provided with blower fan below the air vent; Also be provided with control element, Displaying Meter and connection terminal on the worktable.
In the above-mentioned heat load cyclic test platform, described test circuit comprises power switch, fuse and pressure regulator, is connected to the AC power two ends behind power switch, fuse and the pressure regulator polyphone; The travelling arm of pressure regulator is connected with current rectifying and wave filtering circuit, and the output terminal of current rectifying and wave filtering circuit is respectively dc power anode and common port; Power light and be connected in dc power anode and common port between; Dc power anode switch after tested is connected with an end, temperature controller anode, an end of temperature controller normally opened contact and an end of temperature controller normally closed contact of timer; The timer other end and temperature controller negative pole connect common port; The temperature controller normally opened contact other end is connected with three and blower fan one end that connects through the fan speed regulation device, three and another termination common port of blower fan of connecting; The temperature controller normally closed contact other end is connected with common port through counter; The counter two ends also are connected with the test pilot lamp; Test pilot lamp two ends also are connected with the series circuit of pressure regulator, reometer and voltage table; The voltage table two ends are connected with positive calibrating terminal with common port respectively; Common port is connected with the negative testing terminal.
In the aforesaid heat load cyclic test platform, also be provided with temperature sensor (TT) input end on the described temperature controller, temperature sensor inputs is connected with the temperature sensor socket.
Compared with prior art, before not having the heat load testing equipment originally, only carry out general conventionally test, do not carry out the heat load cyclic test, so product may exist heat resistance poor, quality problems such as serviceable life is short for the detection of diode.Heat load cyclic test platform of the present utility model can carry out multidigit diode heat load cyclic test simultaneously, and product meets the regulation of GB/T4023-1997, trial voltage: 10V～50V (organizing adjustable) more; Test current: 3A～100A (adjustable); Can carry out monitoring temperature, the low warm spot monitoring of developmental tube room temperature～setting, reference mark trueness error≤± 1 ℃ %; Developmental tube hangs down warm spot～high temperature set point monitoring temperature, and promptly low warm spot～300 ℃ is set by different pipes and customer requirements, control temperature accuracy error≤± 2 ℃ of %; Test number (TN): can accurately read (0～9999 time) test number (TN) by comptograph; Time supervision: can accurately read diode heating-up time, temperature fall time by the time relay, i.e. each round-robin cycle.In order to satisfy the testing requirements of various different tests pipes, set adjustable cooling power, help grasping test cycle (diode of different capacity require the heating-up time+the temperature fall time difference) monitoring.Be the indispensable equipment of producing the AC generator for vehicle bridge rectifier component.Also be to produce AC generator for vehicle enterprise can recommend the equipment that uses.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an electrical schematic diagram of the present utility model.
Being labeled as in the accompanying drawing: 1-worktable, 2-test fixture, 3-air vent, 4-blower fan, the K1-power switch, K2-Test Switchboard, RD-fuse, the TY-pressure regulator, the D1-power light, D2-tests pilot lamp, the JT-timer, WK-temperature controller, JS-counter, the A-reometer, the V-voltage table ,+-positive calibrating terminal,--negative testing terminal, TT-temperature sensor, CZ-temperature sensor socket.
Embodiment
Below in conjunction with drawings and Examples heat load cyclic test platform of the present utility model is described in further detail, but not as the foundation of the utility model being done any restriction.
Embodiment.A kind of heat load cyclic test platform as shown in Figure 1.Comprise worktable 1, be provided with test circuit in the worktable 1; Worktable 1 is provided with one group of test fixture 2, and the worktable 1 of test fixture 2 belows is provided with air vent 3, is provided with blower fan 4 below the air vent 3; Also be provided with control element, Displaying Meter and connection terminal on the worktable 1.
Described control element comprises power switch K1, Test Switchboard K2, pressure regulator TY, temperature controller WK.Described Displaying Meter comprises power light D1, test pilot lamp D2, timer JT, temperature controller WK, counter JS, reometer A, voltage table V.Described connection terminal comprise positive calibrating terminal+, negative testing terminal and temperature sensor socket CZ.
Test circuit of the present utility model as shown in Figure 2.Comprise power switch K1, fuse RD and pressure regulator TY, be connected to the AC power two ends behind power switch K1, fuse RD and the pressure regulator TY polyphone; The travelling arm of pressure regulator TY is connected with current rectifying and wave filtering circuit, and the output terminal of current rectifying and wave filtering circuit is respectively dc power anode and common port; Power light D1 and be connected in dc power anode and common port between; Dc power anode K switch 2 after tested is connected with an end, temperature controller WK anode, an end of temperature controller WK normally opened contact and the end of temperature controller WK normally closed contact of timer JT; The timer JT other end and temperature controller WK negative pole connect common port; The temperature controller WK normally opened contact other end is connected with three and blower fan 4 one ends that connect through fan speed regulation device RW, three and blower fan 4 another termination common ports of connecting; The temperature controller WK normally closed contact other end is connected with common port through counter JS; Counter JS two ends also are connected with test pilot lamp D2; Test pilot lamp D2 two ends also are connected with reometer A and the series circuit of voltage table V; Voltage table V two ends respectively with common port and positive calibrating terminal+be connected; Common port and negative testing terminal-be connected.Also be provided with temperature sensor (TT) input end on the temperature controller WK, temperature sensor inputs is connected with temperature sensor socket CZ.
The course of work of the present utility model and principle of work
During test, diode is contained on the test fixture 2, with the positive calibrating terminal on the positive pole of diode and the worktable+be connected, with the negative testing terminal on the negative pole of diode and the worktable-be connected, and temperature sensor and diode surface contacted, the attachment plug of temperature sensor is inserted on the temperature sensor socket CZ.Turn on the power switch K1, power light D1 is bright, and the expression power work is normal.Open Test Switchboard K2 then, at this moment, timer is started working, recording test time.Because at this time tested diode temperature is lower than the highest probe temperature, so normally closed contact of temperature controller WK, be kept closed, tested diode begins energising, can observe the voltage at diode two ends and the electric current by diode by voltage table V and reometer A, in the time of can not meeting the demands, can regulate by pressure regulator.After the diode energising, diode begins to heat up, and when temperature reached predetermined value, the normally closed contact of temperature controller disconnected, and at this moment, counter records once.The diode outage.The normally opened contact closure of temperature controller simultaneously, blower fan work, for diodes force air-cooled.Diode is lowered the temperature rapidly.When the temperature of diode was reduced to predetermined value, the normally opened contact of temperature controller disconnected, and the normally closed contact closure repeats to start working.In the course of the work, counter records diode times of thermal cycle, the timer record working time (comprise the total test duration and the working time of one-period, in this example not figure go out to write down the timer in cycle).
The utility model meets the regulation of GB/T 4023-1997, can carry out multidigit diode heat load cyclic test simultaneously.
The basic mechanical design feature index:
1, trial voltage: 10V～50V (organizing adjustable) more;
2, test current: 3A～100A (adjustable);
3, monitoring temperature: (1) test diode room temperature～low warm spot monitoring of setting, reference mark trueness error≤± 1 ℃ %;
(2) the low warm spot of test diode～high temperature set point monitoring temperature, promptly low warm spot～300 ℃ is set by different pipes and customer requirements, control temperature accuracy error≤± 2 ℃ of %;
4, test number (TN): can accurately read (0～9999 time) test number (TN) by comptograph;
5, time supervision: can accurately read diode heating-up time, temperature fall time by the time relay, i.e. each round-robin cycle.
6, diode radiating: in order to satisfy the testing requirements of various different tests pipes, set adjustable cooling power, help grasping test cycle (diode of different capacity require the heating-up time+the temperature fall time difference) monitoring;
7, external power supply: single-phase alternating current; 220V, 50Hz
8, equipment overall dimensions and weight: long: 1200mm; Wide: 580mm; High: 1100mm; Weight: 80Kg.
Claims (3)
- [claim 1] a kind of heat load cyclic test platform comprises worktable (1), it is characterized in that: worktable is provided with test circuit in (1); Worktable (1) is provided with one group of test fixture (2), and the worktable (1) of test fixture (2) below is provided with air vent (3), is provided with blower fan (4) below the air vent (3); Worktable also is provided with control element, Displaying Meter and connection terminal on (1).
- [claim 2] heat load cyclic test according to claim 1 platform, it is characterized in that: described test circuit comprises power switch (K1), fuse (RD) and pressure regulator (TY), is connected to the AC power two ends behind power switch (K1), fuse (RD) and pressure regulator (TY) polyphone; The travelling arm of pressure regulator (TY) is connected with current rectifying and wave filtering circuit, and the output terminal of current rectifying and wave filtering circuit is respectively dc power anode and common port; Power light (D1) and be connected in dc power anode and common port between; Dc power anode switch (K2) after tested is connected with an end, temperature controller (WK) anode, an end of temperature controller (WK) normally opened contact and an end of temperature controller (WK) normally closed contact of timer (JT); Timer (JT) other end and temperature controller (WK) negative pole connect common port; Temperature controller (WK) the normally opened contact other end is connected with three and blower fan (4) one ends that connect through fan speed regulation device (RW), three and another termination common port of blower fan (4) of connecting; Temperature controller (WK) the normally closed contact other end is connected with common port through counter (JS); Counter (JS) two ends also are connected with test pilot lamp (D2); Test pilot lamp (D2) two ends also are connected with reometer (A) and the series circuit of voltage table (V); Voltage table (V) two ends respectively with common port and positive calibrating terminal+be connected; Common port and negative testing terminal-be connected.
- [claim 3] heat load cyclic test according to claim 2 platform is characterized in that: also be provided with temperature sensor (TT) input end on the described temperature controller (WK), temperature sensor inputs is connected with temperature sensor socket (CZ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820302666 CN201281746Y (en) | 2008-11-06 | 2008-11-06 | Hot load cyclic test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820302666 CN201281746Y (en) | 2008-11-06 | 2008-11-06 | Hot load cyclic test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281746Y true CN201281746Y (en) | 2009-07-29 |
Family
ID=40928619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820302666 Expired - Fee Related CN201281746Y (en) | 2008-11-06 | 2008-11-06 | Hot load cyclic test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281746Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487735A (en) * | 2013-09-30 | 2014-01-01 | 金华市华强电子科技有限公司 | Method for drawing thermal cycle load test thermal fatigue life curve of vehicle diode |
| CN108508780A (en) * | 2018-06-20 | 2018-09-07 | 江苏省建筑工程质量检测中心有限公司 | A kind of fire test furnace control device |
| CN109038499A (en) * | 2018-09-05 | 2018-12-18 | 广西玉柴机器股份有限公司 | Monophase machine performance test protective device |
| CN110057685A (en) * | 2019-03-26 | 2019-07-26 | 昆明理工大学 | A kind of heat fatigue test device and test method heating not burning type cigarette fever tablet |
| CN110320016A (en) * | 2019-07-05 | 2019-10-11 | 广东摩力智能科技有限公司 | A kind of IC card smart lock test macro |
-
2008
- 2008-11-06 CN CN 200820302666 patent/CN201281746Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487735A (en) * | 2013-09-30 | 2014-01-01 | 金华市华强电子科技有限公司 | Method for drawing thermal cycle load test thermal fatigue life curve of vehicle diode |
| CN103487735B (en) * | 2013-09-30 | 2016-03-23 | 金华市华强电子科技有限公司 | The method for drafting of thermal cycle load test thermal fatigue life curve of vehicle diode |
| CN108508780A (en) * | 2018-06-20 | 2018-09-07 | 江苏省建筑工程质量检测中心有限公司 | A kind of fire test furnace control device |
| CN109038499A (en) * | 2018-09-05 | 2018-12-18 | 广西玉柴机器股份有限公司 | Monophase machine performance test protective device |
| CN109038499B (en) * | 2018-09-05 | 2023-11-14 | 广西玉柴机器股份有限公司 | Single-phase motor performance test protection device |
| CN110057685A (en) * | 2019-03-26 | 2019-07-26 | 昆明理工大学 | A kind of heat fatigue test device and test method heating not burning type cigarette fever tablet |
| CN110057685B (en) * | 2019-03-26 | 2021-09-17 | 昆明理工大学 | Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet |
| CN110320016A (en) * | 2019-07-05 | 2019-10-11 | 广东摩力智能科技有限公司 | A kind of IC card smart lock test macro |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20161106 |