CN203616444U - An arrearage trip switch detection apparatus - Google Patents
An arrearage trip switch detection apparatus Download PDFInfo
- Publication number
- CN203616444U CN203616444U CN201320837265.8U CN201320837265U CN203616444U CN 203616444 U CN203616444 U CN 203616444U CN 201320837265 U CN201320837265 U CN 201320837265U CN 203616444 U CN203616444 U CN 203616444U
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- Prior art keywords
- switch
- trip switch
- arrearage
- arrearage trip
- double
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- 238000001514 detection method Methods 0.000 title abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an arrearage trip switch detection apparatus. A power supply input terminal of the detection apparatus is in parallel connection with a power supply indication lamp via a double-pole single-throw switch. The power supply indication lamp and a node of the double-pole single-throw switch are connected with one end of a switch control connecting line sequentially via a wire pressing clamp and a trigger air switch. The other end of the switch control connecting line is suspended in midair. Each of the two ends of the power supply indication lamp is connected with a fixing contact pin. Each of the two ends of the switch state indication lamp is connected with a mobile contact pin through a conductive wire. The apparatus can detect whether an arrearage trip switch is qualified, so that the safety and the reliability of the usage of the arrearage trip switch are raised.
Description
Technical field
The utility model relates to the pick-up unit technical field of switch, relates in particular to a kind of arrearage trip switch pick-up unit.
Background technology
Air switch, has another name called air-break, is a kind of as long as electric current exceedes the switch that rated current will disconnect automatically in circuit.Air switch is very important a kind of electrical equipment in low voltage power distribution network and electric drive system, and it integrates controls and multi-protective function.Decapacitation completes outside contact and point deenergizing, and the short circuit that can also occur circuit or electrical equipment, seriously overload and under-voltage etc. are protected, and the while also can be for actuating motor continually not.In the time there is general overload in circuit, though overload current can not make magnetictrip action, can make thermal element produce certain heat, impel bimetallic strip to be heated and be bent upwards, promotion lever makes to have contact with snap close throws off, and by main contact disjunction, cuts off the electricity supply.When circuit is short-circuited or when serious overload current, short-circuit current exceedes instantaneous trip setting current value, magnetictrip produces enough large suction, by armature adhesive and clash into lever, making to have contact with the axle bed that rotates upwards rotates with snap close and throws off, latch under the effect of reaction spring three secondary main contact disjunctions, cut off the electricity supply.
Arrearage trip switch has another name called shunt opening delay action circuit breaker, the amount of being control, takes the important component part of control card table charge system.When normal work, electric energy meter tripping operation terminal is charged, and switch closure is to customer power supply.After demand charge is finished, electric energy meter tripping operation control terminal dead electricity, the mistake of arrearage trip switch is encouraged tripping coil mistake and is encouraged, and electrical apparatus release is threaded off, and switch trip, stops to customer power supply.Only have the power purchase card after paying to insert after electric energy meter, arrearage trip switch could close a floodgate again.There is the problems such as sole mass is very different, detection means disappearance, detection technique blank in existing arrearage trip switch, causes arrearage trip switch failure rate after installation high, brought very large inconvenience to user's use.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of arrearage trip switch pick-up unit, and whether described device can detect arrearage trip switch qualified, has improved the safety and reliability that arrearage trip switch uses.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of arrearage trip switch pick-up unit, it is characterized in that: the power input of described pick-up unit is connected in parallel through double-pole single throw and power light, a node of power light and double-pole single throw connects one end of switch control linkage line successively after wire clip and triggering air switch, the other end of switch control linkage line is unsettled, the two ends of power light are connected with respectively a fixing contact pilotage, the two ends of on off state pilot lamp are connected with a mobile contact pilotage with wire respectively.
Preferably, the front termination AC power of described power input.
Preferably, between described power input and double-pole single throw, be provided with earth leakage protective device.
The beneficial effect that adopts technique scheme to produce is: described pick-up unit is by the outlet of analog subscriber electric energy meter electric source and trip signal control, arrearage trip switch is sent to the mode of trip signal, judge whether the action of arrearage trip switch is normal, whether qualifiedly detect arrearage trip switch, improved the safety and reliability that arrearage trip switch uses.Described pick-up unit has following characteristics: small volume, and the use that is easy to carry, structural module, is convenient to expansion, and cost is low, and maintaining difficulty is low; Stability Analysis of Structures is reliable, long service life; Simple to operate, testing result is obvious; Built-in earth leakage protective device, uses safety.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is schematic diagram of the present utility model;
Wherein: 1, double-pole single throw 2, power light 3, wire clip 4, fixing contact pilotage 5, mobile contact pilotage 6, triggering air switch 7, on off state pilot lamp 8, switch control linkage line 9, earth leakage protective device 10, AC power.
Embodiment
As shown in Figure 1, a kind of arrearage trip switch pick-up unit, the power input of described pick-up unit is connected in parallel through double-pole single throw 1 and power light 2, a node of power light 2 and double-pole single throw 1 connects one end of switch control linkage line 8 successively after wire clip 3 and triggering air switch 6, the other end of switch control linkage line 8 is unsettled, the two ends of power light 2 are connected with respectively a fixing contact pilotage 4, the two ends of on off state pilot lamp 7 are connected with a mobile contact pilotage 5 with wire respectively, described device uses AC power 10, in order to improve the security of use, between described power input and double-pole single throw 1, be provided with earth leakage protective device 9.
When pick-up unit uses before arrearage trip switch dress, two fixing contact pilotages are connected with four terminals of arrearage trip switch respectively with two movable contact pilotages, and the free end of switch control linkage line is connected with the control end of arrearage trip switch.Double-pole single throw is pushed into " closing " position, starting characteristics test power supply, now power light is lighted.Triggering air switch is pushed into " closing " position, tested arrearage trip switch is pushed into " closing " position, now arrearage trip switch status indicator lamp is bright, triggering air switch is pushed into " dividing " position, if now arrearage trip switch is by " closing " bit map to " dividing " position, and arrearage trip switch status indicator lamp goes out, and can judge that arrearage trip switch quality and function are good, meet on-the-spot actual requirement, this arrearage trip switch can be mounted to user place.In addition other situations, all should be judged as arrearage trip switch quality and dysfunction, do not meet on-the-spot actual requirement, this arrearage trip switch should be mounted to user place.
Described pick-up unit is by the outlet of analog subscriber electric energy meter electric source and trip signal control, arrearage trip switch is sent to the mode of trip signal, judge whether the action of arrearage trip switch is normal, whether qualifiedly detect arrearage trip switch, improved the safety and reliability that arrearage trip switch uses.Described pick-up unit has following characteristics: small volume, and the use that is easy to carry, structural module, is convenient to expansion, and cost is low, and maintaining difficulty is low; Stability Analysis of Structures is reliable, long service life; Simple to operate, testing result is obvious; Built-in earth leakage protective device, uses safety.
Applied specific case herein principle of the present utility model and embodiment thereof are set forth, the explanation of above embodiment is just with helping understand method of the present utility model and core concept thereof.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not depart from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (3)
1. an arrearage trip switch pick-up unit, it is characterized in that: the power input of described pick-up unit is connected in parallel through double-pole single throw (1) and power light (2), a node of power light (2) and double-pole single throw (1) connects one end of switch control linkage line (8) successively after wire clip (3) and triggering air switch (6), the other end of switch control linkage line (8) is unsettled, the two ends of power light (2) are connected with respectively a fixing contact pilotage (4), the two ends of on off state pilot lamp (7) are connected with a mobile contact pilotage (5) with wire respectively.
2. arrearage trip switch pick-up unit according to claim 1, is characterized in that: the front termination AC power (10) of described power input.
3. arrearage trip switch pick-up unit according to claim 1, is characterized in that: between described power input and double-pole single throw (1), be provided with earth leakage protective device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837265.8U CN203616444U (en) | 2013-12-18 | 2013-12-18 | An arrearage trip switch detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837265.8U CN203616444U (en) | 2013-12-18 | 2013-12-18 | An arrearage trip switch detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616444U true CN203616444U (en) | 2014-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837265.8U Expired - Lifetime CN203616444U (en) | 2013-12-18 | 2013-12-18 | An arrearage trip switch detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698696A (en) * | 2013-12-18 | 2014-04-02 | 国家电网公司 | Money-owning tripping switch detection device |
| CN109239642A (en) * | 2018-09-05 | 2019-01-18 | 国网河北省电力有限公司电力科学研究院 | Electric energy meter takes control tripping test method, system and terminal device |
-
2013
- 2013-12-18 CN CN201320837265.8U patent/CN203616444U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698696A (en) * | 2013-12-18 | 2014-04-02 | 国家电网公司 | Money-owning tripping switch detection device |
| CN103698696B (en) * | 2013-12-18 | 2016-02-24 | 国家电网公司 | Arrearage trip switch pick-up unit |
| CN109239642A (en) * | 2018-09-05 | 2019-01-18 | 国网河北省电力有限公司电力科学研究院 | Electric energy meter takes control tripping test method, system and terminal device |
| CN109239642B (en) * | 2018-09-05 | 2020-10-09 | 国网河北省电力有限公司电力科学研究院 | Electric energy meter cost control trip test method, system and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |