CN205263283U - Short circuit detection device - Google Patents
Short circuit detection device Download PDFInfo
- Publication number
- CN205263283U CN205263283U CN201521137971.7U CN201521137971U CN205263283U CN 205263283 U CN205263283 U CN 205263283U CN 201521137971 U CN201521137971 U CN 201521137971U CN 205263283 U CN205263283 U CN 205263283U
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- CN
- China
- Prior art keywords
- power supply
- short
- contactor
- supply source
- circuit detecting
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- Expired - Fee Related
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a short circuit detection device for whether the short -circuit protection function of target detection power became invalid, and short circuit detection device includes: supply power source for connect the power supply source, the contactor is used for connecting the output of target power, the contactor with supply power source electric connection, in order to pass through supply power source to follow the required electric power of the power supply source work of acquireing, control switch, connect in between contactor and the confession power source, what control switch can be operated switches on and breaks off supply power source with connection between the contactor. The utility model provides a short circuit detection device makes the output short circuit of target power through the contactor, judges whether this moment short -circuit protection function of target power can normal boot again to whether the short -circuit protection function who realizes the target detection power gos back normal operating.
Description
Technical field
The utility model relates to power safety technical field, more particularly, relates to one and examines for short circuitSurvey device.
Background technology
Power supply be a kind of can be to load output current to drive the equipment of loaded work piece, along with electric productMore universal, the application of power supply is also extensive all the more.
If existing power supply output is short-circuited, can produce great transient short-circuit current, this is shortRoad electric current is easy to cause power supply and circuit to be damaged. Therefore, existing power supply generally all has short circuit guarantorProtective function, for preventing that the situation that power supply is damaged by short circuit from occurring.
But existing power supply in process of production, has only been realized the detection to product design, structure,Cannot complete the detection of the short-circuit protection function required to power safety work, after causing power supply to dispatch from the factory, veryEasily cause security incident because of the inefficacy of short-circuit protection function.
Given this, necessaryly provide a kind of short-circuit detecting device to solve above-mentioned technical problem.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of short-circuit detecting device, can detect electricityThe short-circuit protection function that source trouble free service is required.
A kind of short-circuit detecting device that the utility model provides, for detection of the short-circuit protection merit of target power supplyWhether can lose efficacy, short-circuit detecting device comprises:
Power supply source interface, for connecting power supply source;
Contactor, for connecting the output of described target power supply, described contactor and described power supply source connectMouth is electrically connected, to obtain work required electric power by described power supply source interface from described power supply source;
Gauge tap, is connected between described contactor and power supply source interface, and described gauge tap can be graspedDo conducting and disconnect being connected between described power supply source interface and described contactor.
Preferably, described power supply source is 220V alternating current.
Preferably, described target power supply is AC power, and described contactor is A.C. contactor.
Preferably, described contactor comprises contact, and described contact connects the output of described target power supply.
Preferably, described short-circuit detecting device comprises the acrylic anti-explosion box body of accommodating described contactor.
Preferably, described short-circuit detecting device also comprises oscillograph, and described oscillograph connects described target electricityThe output in source.
Short-circuit detecting device provided by the utility model, makes the output of target power supply by contactorTerminal shortcircuit, then judge now whether the short-circuit protection function of target power supply can normally start, thus realize inspectionSurvey the whether also normal operation of short-circuit protection function of target power supply.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below willAccompanying drawing to required use in embodiment or description of the Prior Art is briefly described, apparently,Accompanying drawing in the following describes is only embodiment of the present utility model, comes for those of ordinary skill in the artSay, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the module after the short-circuit detecting device in embodiment of the present utility model is connected with target power supplyFigure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technology in the utility model embodimentScheme is clearly and completely described, and obviously, described embodiment is only one of the utility modelDivide embodiment, instead of whole embodiment. Based on the embodiment in the utility model, this area is commonTechnical staff is not making the every other embodiment obtaining under creative work prerequisite, all belongs to thisThe scope of utility model protection.
In a kind of embodiment of the utility model, on the output 11 of target power supply 10, be connected with short circuit inspectionSurvey device 20, whether the short-circuit protection function that detects target power supply 10 by this short-circuit detecting device 20Lost efficacy.
Target power supply 10 can be dc source, can be also AC power. In enforcement of the present utility modelIn example, take target power supply 10 as example as AC power, the output 11 of target power supply 10 is alternating currentThe zero line in source and live wire, if short circuit appears in zero line and live wire, 10 of target power supplys can be damaged.
In target power supply 10, also comprise controller 12, controller 12 is positioned at the output loop of target power supply 10Upper, in the time that target power supply 10 is short-circuited, can disconnect the output loop of target power supply 10.
Short-circuit detecting device 20 comprises power supply source interface 21, contactor 22 and gauge tap 23.
Power supply source interface 21 is for connecting power supply source 30, and it is required that power supply source 30 provides contactor 22 to workElectric power. In the embodiment of the present application, power supply source 30 provides the alternating current of 220 volts.
Contactor 22 is electrically connected with power supply source interface 21, with from by power supply source interface 21 from power supply sourceObtain work required electric power.
The output 11 of contactor 22 linking objective power supplys 10. Take target power supply 10 as example as AC power,Contactor 22 is also A.C. contactor, and contactor 22 comprises contact 221, and contact 221 connects AC powerOutput 11.
Gauge tap 23 is connected between contactor 22 and power supply source interface 21, and gauge tap 23 can quiltOperation conducting and disconnect being connected between described power supply source interface 21 and described contactor 22.
In the application's embodiment, gauge tap 23 can be presented as button, or other patterns, so thatOperate in user.
Make the conducting that is connected between power supply source interface 21 and described contactor 22 at operation-control switch 23Time, contactor 22 is activated, two closings of contact, thus make target power supply 10 by short circuit, nowCan, by judging now whether the short-circuit protection function of target power supply 10 can normally start, examine thereby realizeSurvey the whether also normal operation of short-circuit protection function of target power supply 10.
If so, the abnormal operation of the short-circuit protection function of target power supply 10, can operation-control switch23 make the disconnection that is connected between power supply source interface 21 and described contactor 22, to prevent that short circuit is to targetThe damage of power supply 10.
In the application's embodiment, short-circuit detecting device 20 comprises that to accommodate the acrylic of described contactor anti-Quick-fried casing (not shown), to prevent that contactor 22 from can not bear excessive short circuit current, finds blast dangerDanger, effectively protects tester's personal safety, and prevent exploding fragment splashes, and injures personnel around.
Power supply source interface 21 can extend to acrylic anti-explosion box body, and gauge tap 23 also can be positioned at AsiaThe periphery of gram force anti-explosion box body, is convenient to user's operation.
In the application's embodiment, short-circuit detecting device 20 also comprises oscillograph 24, and oscillograph 24 connectsConnect the output 11 of target power supply, with the output current of captured target power supply rise to defencive function realizeProcess current parameters, relative recording data can be product design checking Data support are provided.
Short-circuit detecting device provided by the utility model, makes the output of target power supply by contactorTerminal shortcircuit, then judge now whether the short-circuit protection function of target power supply can normally start, thus realize inspectionSurvey the whether also normal operation of short-circuit protection function of target power supply.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe utility model. To be aobvious for those skilled in the art to the multiple amendment of these embodimentAnd easily see, General Principle as defined herein can not depart from spirit or scope of the present utility modelSituation under, in other embodiments realize. Therefore, shown in the utility model can not be restricted to hereinThese embodiment, but to meet the wide region consistent with principle disclosed herein and features of novelty.
Claims (6)
1. whether a short-circuit detecting device, lost efficacy for detection of the short-circuit protection function of target power supply, itsBe characterised in that, comprise:
Power supply source interface, for connecting power supply source;
Contactor, for connecting the output of described target power supply, described contactor and described power supply source connectMouth is electrically connected, to obtain work required electric power by described power supply source interface from described power supply source;
Gauge tap, is connected between described contactor and power supply source interface, and described gauge tap can be graspedDo conducting and disconnect being connected between described power supply source interface and described contactor.
2. short-circuit detecting device according to claim 1, is characterized in that, described power supply source is 220VAlternating current.
3. short-circuit detecting device according to claim 1, is characterized in that, described target power supply isAC power, described contactor is A.C. contactor.
4. short-circuit detecting device according to claim 1, is characterized in that, described contactor comprisesContact, described contact connects the output of described target power supply.
5. short-circuit detecting device according to claim 1, is characterized in that, described short-circuit detecting dressPut and comprise the acrylic anti-explosion box body of accommodating described contactor.
6. short-circuit detecting device according to claim 1, is characterized in that, described short-circuit detecting dressPut and also comprise oscillograph, described oscillograph connects the output of described target power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137971.7U CN205263283U (en) | 2015-12-31 | 2015-12-31 | Short circuit detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137971.7U CN205263283U (en) | 2015-12-31 | 2015-12-31 | Short circuit detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205263283U true CN205263283U (en) | 2016-05-25 |
Family
ID=56004805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521137971.7U Expired - Fee Related CN205263283U (en) | 2015-12-31 | 2015-12-31 | Short circuit detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205263283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448668A (en) * | 2018-03-21 | 2018-08-24 | 郝广仁 | Artificial intelligence short-circuit protection detecting system and its control method and charging equipment |
-
2015
- 2015-12-31 CN CN201521137971.7U patent/CN205263283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448668A (en) * | 2018-03-21 | 2018-08-24 | 郝广仁 | Artificial intelligence short-circuit protection detecting system and its control method and charging equipment |
| CN108448668B (en) * | 2018-03-21 | 2020-07-24 | 郝广仁 | Artificial intelligence short-circuit protection detecting system and charging equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Patentee before: CSI SOLAR POWER (CHINA) Inc. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |