CN104166062A - Low-voltage anti-explosion switch comprehensive protector aging device - Google Patents
Low-voltage anti-explosion switch comprehensive protector aging device Download PDFInfo
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- CN104166062A CN104166062A CN201410424881.XA CN201410424881A CN104166062A CN 104166062 A CN104166062 A CN 104166062A CN 201410424881 A CN201410424881 A CN 201410424881A CN 104166062 A CN104166062 A CN 104166062A
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Abstract
The invention provides a low-voltage anti-explosion switch comprehensive protector aging device and provides an aging device for low-voltage anti-explosion switch guide plug-ins. According to the technical scheme, the aging device comprises a main circuit and an automatic switching circuit, the main circuit is provided with two or more low-voltage anti-explosion switches, the automatic switching circuit comprises a rectifying bridge and time relays, the output end of a self-coupling voltage regulator is connected with the input end of the rectifying bridge, the time relay SJ1 is connected with the output end of the rectifying bridge after being in serial connection with a normally-closed contact SJ2 of the time relay SJ2, and the time relay SJ2 is connected with the output end of the rectifying bridge after being in serial connection with a normally-open contact SJ1 of the time relay SJ1. An original aging test needs to be carried out on a whole machine, time and labor are wasted, and certain safety hidden risks exist. After the aging device is adopted, the plug-ins are arranged in the aging device, a power supply is switched on, multiple sets of protectors can be automatically tested, the defective plug-ins can be found in time, control circuits are under safe work voltage and body safety of operators is guaranteed.
Description
Technical field
The present invention relates to a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit.
Background technology
All want first aging no matter electronic product is element, annex, complete machine and equipment, rear test, makes the complete product by manufacturing rear formation, can have performance use value.So-called protective plug-in unit is aging refers to that protective plug-in unit is copied or equivalent product use state carries out the burin-in process of certain hour; pass through burn-in test; problematic product is stayed to factory, and certified products flow to user, to ensure finished product reliability and stability in use.
Representational QJZ1-80N switch is reversible magnetic starting switch, is generally used for the equipment that frequent forward and backward is switched, therefore the reliability to protector and durability are had relatively high expectations in mining area.If can be according to actual laws of use and switch designs requirement, the design parameter of simulating this type guide plug-in unit utilizes the time relay to switch to control some groups of guide's plug-in units, carry out work by plug-in unit contact conducting fictitious load, time according to the rules and frequency carry out aging after, just to have reached the object of the each electronic components test of guide's plug-in unit.
Summary of the invention
For a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit is provided, the technical solution used in the present invention is:
A kind of low-voltage explosion-proof switch comprehensive protection device aging equipment, it is characterized in that: comprise main circuit and automatic switch-over circuit, main circuit is equipped with two covers or the above low-voltage explosion-proof switch of two covers, automatic switch-over circuit comprises rectifier bridge, the time relay, the output terminal of automatic coupling voltage regulator is connected with rectifier bridge input end, time relay sj 1 is connected on rectification bridge output end after connecting with the normally closed contact SJ2 of time relay sj 2, and time relay sj 2 is connected on rectification bridge output end after connecting with the normally opened contact SJ1 of time relay sj 1;
The normally opened contact of two guide's plug-in units in low-voltage explosion-proof switch is connected with signal lamp respectively, guide's plug-in unit normally opened contact is connected with the output terminal of automatic coupling voltage regulator with signal lamp entirety, the output terminal one termination diode anode of automatic coupling voltage regulator, one end of guide's plug-in unit is connected with diode cathode, guide's plug-in unit in low-voltage explosion-proof switch is connected with time relay sj 1 normally opened contact, and another one guide's plug-in unit is connected with time relay sj 1 normally closed contact.
According to described low-voltage explosion-proof switch comprehensive protection device aging equipment, one end of the output terminal of described automatic coupling voltage regulator is connected with reometer, between the diode cathode on output terminal one end of automatic coupling voltage regulator and the output terminal other end, is connected with voltage table.
Functional characteristics of the present invention and advantage are as follows.
1, safe and practical.Former aging test need be made system test, by testing crew manual operation at the scene, wastes time and energy; there is certain potential safety hazard; adopt after this device, by plug-in unit charging apparatus, switch on power; just can automatically test many groups of protections; in device, fictitious load bulb is load, is also pilot lamp, can find in time problematic plug-in unit; and control loop is trouble free service voltage, ensure operating personnel's personal safety.
2, good economy performance.According to original aging testing method, the aging test cost of every protector:
Labour cost: (200 yuan/work day)/(5/work day)=40 yuan
The electricity charge: 5 yuan amount to: 45 yuan.
New method experimentation cost:
Labour cost: (200 yuan/work day)/(50/work day)=4 yuan
The electricity charge: 1 yuan amounts to: 5 yuan.
According to producing all kinds of flame-proof switches per year 1000 left and right, the average annual expense of this project testing is 45000 yuan of left and right, and uses after this test unit, and its use cost is only 5000 yuan, that is to say that its annual economic benefit producing approaches 40,000 yuan.The design's thought, higher creation economy under safe and practical prerequisite.
Brief description of the drawings
Fig. 1 is that the time relay switches electrical schematic diagram.
Fig. 2 is the electrical schematic diagram of flame-proof switch guide plug-in unit.
Embodiment
Embodiment
For a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit is provided, the present embodiment describes as an example of five cover low-voltage explosion-proof switch example.The components and parts that low-voltage explosion-proof switch QJZ1-80N guide plug-in unit aging equipment adopts are:
A, QJZ1-80N guide's plug-in unit base, 10 of quantity, effect: be convenient to test QJZ1-80N guide's plug-in unit;
B, automatic coupling voltage regulator, TDGC2-1000kVA, 250V, quantity: 1, effect: experiment power supply is provided;
C, signal lamp AD16-22,24V8W, quantity: 10, effect: fictitious load is used;
D, time relay JSZ3F, DC24V, quantity: 2, effect: analogue relay duty, the working relay of guide's plug-in unit is switched in rotating;
E, voltage table 85C1-V quantity, 1, effect: show trial voltage;
F, reometer 85C1-A quantity, 1, effect: show experiment work electric current;
G, rectifier bridge GBJ2510, quantity, 1, effect: trial voltage is provided;
H, commutation diode ZP20A, quantity, 1, effect: trial voltage is provided;
I, toggle switch KN25-202, quantity, 1, effect: power supply drops into, excision switch.
In order to increase work efficiency, instrument, electrical equipment are concentrated to assembling, be connected, be arranged in the chest of an insulation crust, make low-voltage explosion-proof switch Plug in Unit of Compositive Protector aging equipment.This aging equipment comprises: from the time relay of even pressure regulator, guide's plug-in unit relay base, signal lamp (fictitious load), automatic switchover.
In process of the test, the ruuning situation of guide's plug-in unit internal relay K1A～K5B, all can be shown by signal lamp HL1～HL10 intuitive and convenient more.Reach the object of guide's plug-in unit groundwork electronic component electricity burn-in test.
Below in conjunction with accompanying drawing, this aging equipment is described further.80N switch is reversible magnetic starting switch, is generally used for the equipment that frequent forward and backward is switched, therefore the reliability to protector and durability are had relatively high expectations in mining area.According to actual laws of use and switch designs requirement, the design parameter that our factory is simulated this type guide plug-in unit utilizes the time relay to switch to control some groups of guide's plug-in units, carry out work by plug-in unit contact conducting fictitious load (24V, 8W bulb), time according to the rules and frequency carry out aging after, to have reached the object of the each electronic components test of guide's plug-in unit.
Concrete wiring is as follows.
On each QJZ1-80N guide's plug-in unit base, guide's plug-in unit is installed.Two guide's plug-in unit KXA of each low-voltage explosion-proof switch often open with time relay sj 1 respectively with KXB, normally closed contact is connected.Letter X represents the sequence number of low-voltage explosion-proof switch.
Import alternating current 220V power supply, through automatic coupling voltage regulator output AC 24V, as the working power of fictitious load, and in loop, go here and there reometer to measure real work electric current, and through half-wave whole go out direct current 12V power supply, shunt voltage table detects magnitude of voltage.This direct current 12V inserts and makes working power as guide, and the 24V of automatic coupling voltage regulator output terminal is connected with automatic switch-over circuit.After full-wave rectification as the power supply of the time relay of two mutual lockings.The on-delay time unification of the time relay is set to 15S, so will occur once to replace every the state of 15S time relay sj 1, SJ2.Switch by time relay sj 1 that it is often opened, normally closed contact distinguish two guide's plug-in units of conducting low-voltage explosion-proof switch, when two guide's plug-in units are different, work, can connect corresponding load running, thereby realize the object of analog operation load.
Claims (2)
1. a low-voltage explosion-proof switch comprehensive protection device aging equipment, it is characterized in that: comprise main circuit and automatic switch-over circuit, main circuit is equipped with two covers or the above low-voltage explosion-proof switch of two covers, automatic switch-over circuit comprises rectifier bridge, the time relay, the output terminal of automatic coupling voltage regulator is connected with rectifier bridge input end, time relay sj 1 is connected on rectification bridge output end after connecting with the normally closed contact SJ2 of time relay sj 2, and time relay sj 2 is connected on rectification bridge output end after connecting with the normally opened contact SJ1 of time relay sj 1;
The normally opened contact of two guide's plug-in units in low-voltage explosion-proof switch is connected with signal lamp respectively, guide's plug-in unit normally opened contact is connected with the output terminal of automatic coupling voltage regulator with signal lamp entirety, the output terminal one termination diode anode of automatic coupling voltage regulator, one end of guide's plug-in unit is connected with diode cathode, guide's plug-in unit in low-voltage explosion-proof switch is connected with time relay sj 1 normally opened contact, and another one guide's plug-in unit is connected with time relay sj 1 normally closed contact.
2. low-voltage explosion-proof switch comprehensive protection device aging equipment according to claim 1; it is characterized in that: one end of the output terminal of described automatic coupling voltage regulator is connected with reometer, between the diode cathode on output terminal one end of automatic coupling voltage regulator and the output terminal other end, be connected with voltage table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424881.XA CN104166062A (en) | 2014-08-26 | 2014-08-26 | Low-voltage anti-explosion switch comprehensive protector aging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424881.XA CN104166062A (en) | 2014-08-26 | 2014-08-26 | Low-voltage anti-explosion switch comprehensive protector aging device |
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| CN104166062A true CN104166062A (en) | 2014-11-26 |
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| CN201410424881.XA Pending CN104166062A (en) | 2014-08-26 | 2014-08-26 | Low-voltage anti-explosion switch comprehensive protector aging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589370A (en) * | 2017-09-21 | 2018-01-16 | 天津市百利电气有限公司 | Electrothermal relay Characteristics Detection test product acts display device and control method |
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|---|---|---|---|---|
| US20060291119A1 (en) * | 2005-06-23 | 2006-12-28 | Chu-Li Wang | Apparatus and method for controlling open/close timing of relay |
| CN102393492A (en) * | 2011-07-05 | 2012-03-28 | 中北大学 | Full-automatic mining comprehensive protector testing system |
| CN103777088A (en) * | 2012-10-25 | 2014-05-07 | 深圳市雅其光科技有限公司 | Electronic equipment impact aging test bed |
| CN204028257U (en) * | 2014-08-26 | 2014-12-17 | 枣庄矿业(集团)有限责任公司供电工程处 | Low-voltage explosion-proof switch comprehensive protection device aging equipment |
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2014
- 2014-08-26 CN CN201410424881.XA patent/CN104166062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060291119A1 (en) * | 2005-06-23 | 2006-12-28 | Chu-Li Wang | Apparatus and method for controlling open/close timing of relay |
| CN102393492A (en) * | 2011-07-05 | 2012-03-28 | 中北大学 | Full-automatic mining comprehensive protector testing system |
| CN103777088A (en) * | 2012-10-25 | 2014-05-07 | 深圳市雅其光科技有限公司 | Electronic equipment impact aging test bed |
| CN204028257U (en) * | 2014-08-26 | 2014-12-17 | 枣庄矿业(集团)有限责任公司供电工程处 | Low-voltage explosion-proof switch comprehensive protection device aging equipment |
Non-Patent Citations (2)
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| 刘逸生: "用重复循环时间继电器做产品老化试验", 《机床电器》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589370A (en) * | 2017-09-21 | 2018-01-16 | 天津市百利电气有限公司 | Electrothermal relay Characteristics Detection test product acts display device and control method |
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Application publication date: 20141126 |
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