CN204028257U - Low-voltage explosion-proof switch comprehensive protection device aging equipment - Google Patents
Low-voltage explosion-proof switch comprehensive protection device aging equipment Download PDFInfo
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- CN204028257U CN204028257U CN201420483021.9U CN201420483021U CN204028257U CN 204028257 U CN204028257 U CN 204028257U CN 201420483021 U CN201420483021 U CN 201420483021U CN 204028257 U CN204028257 U CN 204028257U
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- time relay
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- unit
- switch
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Abstract
A kind of low-voltage explosion-proof switch comprehensive protection device aging equipment, a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit is provided, the technical solution adopted in the utility model is: 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, time relay sj 2 is connected on rectification bridge output end after connecting with the normally opened contact SJ1 of time relay sj 1.Former aging test need make system test, wastes time and energy, and has certain potential safety hazard.After adopting this device, by plug-in unit charging apparatus, switch on power, just can automatically test the protection of many groups, and the problematic plug-in unit of energy Timeliness coverage, and control loop is safe operating voltage, has ensured the personal safety of operating personnel.
Description
Technical field
The utility model relates to a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit.
Background technology
No matter electronic product is element, annex, complete machine and equipment all want first aging, rear test, makes the complete product by manufacturing rear formation, can have and comparatively play use value.So-called protective plug-in unit is aging refers to that protective plug-in unit is copied or equivalent product using state carries out the burin-in process of certain hour; pass through burn-in test; problematic product is stayed 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 switches in mining area, thus to the reliability of protector and durability requirements higher.If can 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 and controls some groups of guide's plug-in units, work is carried out by the load of plug-in unit contact conduct either analog, according to regulation time and frequency carry out aging after, just to have reached the object of each electronic components test of guide's plug-in unit.
Summary of the invention
In order to provide a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit, the technical solution adopted in the utility model 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 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, is connected with voltage table between the diode cathode on output terminal one end of automatic coupling voltage regulator and the output terminal other end.
The utility model functional characteristics and advantage as follows.
1, safe and practical.Former aging test need make system test, by testing crew manual operation at the scene, wastes time and energy; there is certain potential safety hazard; after adopting this device, by plug-in unit charging apparatus, switch on power; just can automatically test the protection of many groups; in device, fictitious load bulb is load, is also pilot lamp, the problematic plug-in unit of energy Timeliness coverage; and control loop is safe operating voltage, ensure the personal safety of operating personnel.
2, good economy performance.According to original aging testing method, the aging test cost of every platform 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 all kinds of flame-proof switch of annual output at about 1000, namely the average annual expense of this project testing is about 45000 yuan, and after using this test unit, its use cost is only 5000 yuan, and the economic benefit of that is its generation is every year close to 40,000 yuan.The design's thought, higher creation economy under safe and practical prerequisite.
Accompanying drawing explanation
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 providing a kind of aging equipment of low-voltage explosion-proof switch guide plug-in unit, the present embodiment is described for five cover low-voltage explosion-proof switch.The components and parts that low-voltage explosion-proof switch QJZ1-80N guide plug-in unit aging equipment adopts are:
A, QJZ1-80N guide insert holder, quantity 10, effect: be convenient to test QJZ1-80N guide 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, rotating switches the working relay of guide's plug-in unit;
E, voltage table 85C1-V quantity, 1, effect: display trial voltage;
F, reometer 85C1-A quantity, 1, effect: display 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, assembling be concentrated to instrument, electrical equipment, is connected, is 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 voltage ageing 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 switches in mining area, thus to the reliability of protector and durability requirements higher.According to actual laws of use and switch designs requirement, the design parameter that our factory simulates this type guide plug-in unit utilizes time relay switching to control some groups of guide's plug-in units, work is carried out by plug-in unit contact conduct either analog load (24V, 8W bulb), according to regulation time and frequency carry out aging after, to have reached the object of each electronic components test of guide's plug-in unit.
Concrete wiring is as follows.
Each QJZ1-80N guide's insert holder installs guide's plug-in unit.Two guide's plug-in unit KXA with KXB of each low-voltage explosion-proof switch often open with time relay sj 1 respectively, 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 go here and there reometer in the loop to measure real work electric current, and through half-wave whole go out direct current 12V power supply, shunt voltage table detection magnitude of voltage.This direct current 12V inserts as guide and makes working power, and the 24V of automatic coupling voltage regulator output terminal is connected with automatic switch-over circuit.As the power supply of the time relay of two mutual lockings after full-wave rectification.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.Switched by time relay sj 1 that it is often opened, normally closed contact distinguishes conducting low-voltage explosion-proof switch two guide's plug-in units, work when two guide's plug-in units are different, can connect corresponding load running, thus 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 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 |
|---|---|---|---|
| CN201420483021.9U CN204028257U (en) | 2014-08-26 | 2014-08-26 | Low-voltage explosion-proof switch comprehensive protection device aging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483021.9U CN204028257U (en) | 2014-08-26 | 2014-08-26 | Low-voltage explosion-proof switch comprehensive protection device aging equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204028257U true CN204028257U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483021.9U Expired - Fee Related CN204028257U (en) | 2014-08-26 | 2014-08-26 | Low-voltage explosion-proof switch comprehensive protection device aging equipment |
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| CN (1) | CN204028257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166062A (en) * | 2014-08-26 | 2014-11-26 | 枣庄矿业(集团)有限责任公司供电工程处 | Low-voltage anti-explosion switch comprehensive protector aging device |
-
2014
- 2014-08-26 CN CN201420483021.9U patent/CN204028257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166062A (en) * | 2014-08-26 | 2014-11-26 | 枣庄矿业(集团)有限责任公司供电工程处 | Low-voltage anti-explosion switch comprehensive protector aging device |
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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 |
Granted publication date: 20141217 Termination date: 20160826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |