CN204166078U - A kind of switching detection device being applicable to switch, relay, fuse - Google Patents
A kind of switching detection device being applicable to switch, relay, fuse Download PDFInfo
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- CN204166078U CN204166078U CN201420611543.2U CN201420611543U CN204166078U CN 204166078 U CN204166078 U CN 204166078U CN 201420611543 U CN201420611543 U CN 201420611543U CN 204166078 U CN204166078 U CN 204166078U
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Abstract
The utility model discloses a kind of switching detection device being applicable to switch, relay, fuse, comprise insulating power supply (1) and isolation feedback module (2), the secondary side power output end positive pole (VCC1) of described insulating power supply (1) is connected to a wherein side terminal of detected object (3), the primary side test side (Vin) of described isolation feedback module (2) is connected to the opposite side terminal of detected object (3), the secondary side power output end negative pole (GND1) of described insulating power supply (1) and the primary side of isolation feedback module (2) are held with reference to ground and are connected, the secondary side output terminal (Vout) of described isolation feedback module (2) exports the feedback signal that can characterize detected object (3) on off operating mode.The utility model can carry out real-time break-make detection to it under the off working state of switch, relay, fuse, has not by the advantage that the noncontrollable factors such as load voltage, curent change affects.
Description
Technical field
The utility model relates to a kind of switching detection device being applicable to switch, relay, fuse.
Background technology
Along with science and technology and the improving constantly of people's living standard, various industrial electric, medical treatment, the development of new forms of energy and consumer electronics product, people to the current power supply of various control system and using state requirement also more and more higher, open more intelligent and more intelligent.The key switch of system, relay, fuse etc. are all the objects needing Real-Time Monitoring.
Traditional monitoring method, the general voltage of detected object or the electric current of relying on detects, and this detection mode requires harsher to the use-pattern of measurand and current state, and in certain circumstances, is difficult to accomplish that real-time or anticipation detect.Voltage method is such as relied on to judge break-make, under being just not suitable for the environment of multi-channel parallel.Rely on electric current rule to need measurand to enter duty, be difficult to accomplish advanced detection or anticipation.This, in a lot of large-scale or important system, is not allowed to, even can because of phase shortage, and branch's open circuit or open circuit cause device damage.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of switching detection device being applicable to switch, relay, fuse.
Solve the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
Be applicable to a switching detection device for switch, relay, fuse, it is characterized in that: described switching detection device comprises insulating power supply and isolation feedback module; The secondary side power output end positive pole of described insulating power supply is connected to a wherein side terminal of detected object, the primary side test side of described isolation feedback module is connected to the opposite side terminal of detected object, the secondary side power output end negative pole of described insulating power supply and the primary side of isolation feedback module are held with reference to ground and are connected, and the secondary side output terminal of described isolation feedback module exports the feedback signal that can characterize detected object on off operating mode.
For the ease of monitoring multichannel detected object, improve as one of the present utility model, described switching detection device also comprises controller; Described controller is provided with signal input part and remote communication interface, the signal input part of controller is connected with the secondary side output terminal of described isolation feedback module, and the feedback signal that described isolation feedback module exports is outputted to Surveillance center by remote communication interface by controller.
As a kind of optimal way of the present utility model, described controller is also provided with the control output end for output isolated power supply switching signal, and the control output end of controller is connected with the primary side control end of described insulating power supply.
As a kind of optimal way of the present utility model, described isolation feedback module is isolation optocoupler, the isolation anode of optocoupler and negative electrode be respectively the primary side test side of described isolation feedback module and primary side with reference to hold, the collector and emitter of isolation optocoupler is the secondary side output terminal of described isolation feedback module.
As a kind of optimal way of the present utility model, described isolation feedback module is relay, the control end of relay be the primary side test side of described isolation feedback module and primary side with reference to hold, the output terminal of relay is the secondary side output terminal of described isolation feedback module.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model can carry out the break-make of detector switch, relay and fuse by the active signal of oneself, under not needing product to be tested to be in voltage or current-mode, has the advantages that test is simple and applicability is strong.
(2) the utility model can come detect measured switch in system works to be measured, and the break-make of relay and fuse, has early warning.
(3) the utility model can as detector switch, relay, outside the break-make of fuse, also can extend or be applied in the major loop impedance of detection product to be tested.Corresponding feedback assembly uses isolation optocoupler, is operated in rational linear zone, sends the simulating signal obtained to controller, just can be obtained the conduction impedance etc. of product to be tested by the calculating of controller.
(4) the utility model can send remote monitoring center to detection data, in real time the duty of display current key monitoring point.
In sum, the utility model can carry out real-time break-make detection to it under the off working state of switch, relay, fuse, has not by the advantage that the noncontrollable factors such as load voltage, curent change affects.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the schematic block circuit diagram of switching detection device of the present utility model.
Embodiment
As shown in Figure 1, the utility model is applicable to the switching detection device of switch, relay, fuse, comprises insulating power supply 1, isolation feedback module 2 and controller 4, the secondary side power output end positive pole VCC1 of insulating power supply 1 is connected to a wherein side terminal of detected object 3, the primary side test side Vin of isolation feedback module 2 is connected to the opposite side terminal of detected object 3, the secondary side power output end negative pole GND1 of insulating power supply 1 and the primary side of isolation feedback module 2 are held with reference to ground and are connected, the secondary side output end vo ut of isolation feedback module 2 exports the feedback signal that can characterize detected object 3 on off operating mode, this feedback signal is by the secondary side of insulating power supply 1, the loop that detected object 3 and the primary side of isolating feedback module 2 form is by the curtage signal of isolation feedback module 2 isolation and amplifier.
Wherein, insulating power supply 1 can be the insulating power supply that the modular power of finished product or user oneself build, concrete isolation voltage grade needs to determine according to the virtual voltage grade of detected object 3, and generally, isolation voltage meets: withstand voltage DC2000V 60S<10mA; Detected object 3 can be regular tap or relay major loop, also can be fuse or other similar loops to be measured.
Above-mentioned isolation feedback module 2 can be isolation optocoupler, the isolation anode of optocoupler and negative electrode be respectively the primary side test side Vin of isolation feedback module 2 and primary side with reference to hold, the collector and emitter of isolation optocoupler is the secondary side output end vo ut of isolation feedback module 2.
Above-mentioned isolation feedback module 2 also can be relay, the coil two ends of control end as electromagnetic relay of relay be the primary side test side Vin of isolation feedback module 2 and primary side with reference to hold, the dynamic and static contact of output terminal as electromagnetic relay of relay is the secondary side output end vo ut of isolation feedback module 2.
Controller 4 of the present utility model is provided with signal input part, remote communication interface and the control output end for output isolated power supply 1 switching signal, the control output end of controller 4 is connected with the primary side control end of insulating power supply 1, the signal input part of controller 4 is connected with the secondary side output end vo ut of isolation feedback module 2, the feedback signal that isolation feedback module 2 exports is outputted to Surveillance center 5 by remote communication interface by controller 4, thus, multiple detected object 3 all installs switching detection device of the present utility model, by Surveillance center 5 unified receive feedback signal that each switching detection device sends and identify feedback signal belong to Continuity signal or cut-off signal, staff can monitor the on off operating mode of multiple detected object 3 easily.
Such as, see Fig. 1, detected object 3 installs the N number of switch treated in examining system, one end of this N number of switch all connects treats that the BUS+ of examining system holds, the other end connects PV1+ end, the PV2+ end for the treatment of examining system respectively ... .PVN+ hold, voltage method of the prior art and current method are difficult to the on off operating mode coming to detect each switch in detected object 3 of system works to be measured, and the utility model connects the on off operating mode monitoring that switching detection device can realize them respectively at the two ends of this N number of switch.
The utility model does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; the utility model can also make the equivalent modifications of other various ways, replacement or change, all drops among protection domain of the present utility model.Such as, isolating feedback module 2 also can be other insulating electron switches etc.
Claims (5)
1. be applicable to a switching detection device for switch, relay, fuse, it is characterized in that: described switching detection device comprises insulating power supply (1) and isolation feedback module (2), the secondary side power output end positive pole (VCC1) of described insulating power supply (1) is connected to a wherein side terminal of detected object (3), the primary side test side (Vin) of described isolation feedback module (2) is connected to the opposite side terminal of detected object (3), the secondary side power output end negative pole (GND1) of described insulating power supply (1) and the primary side of isolation feedback module (2) are held with reference to ground and are connected, the secondary side output terminal (Vout) of described isolation feedback module (2) exports the feedback signal that can characterize detected object (3) on off operating mode.
2. switching detection device according to claim 1, is characterized in that: described switching detection device also comprises controller (4); Described controller (4) is provided with signal input part and remote communication interface, the signal input part of controller (4) is connected with the secondary side output terminal (Vout) of described isolation feedback module (2), and the feedback signal that described isolation feedback module (2) exports is outputted to Surveillance center (5) by remote communication interface by controller (4).
3. switching detection device according to claim 2, it is characterized in that: described controller (4) is also provided with the control output end for output isolated power supply (1) switching signal, the control output end of controller (4) is connected with the primary side control end of described insulating power supply (1).
4. the switching detection device according to claims 1 to 3 any one, it is characterized in that: described isolation feedback module (2) is isolation optocoupler, the anode of isolation optocoupler and negative electrode are respectively primary side test side (Vin) and the primary side reference ground end of described isolation feedback module (2), and the collector and emitter of isolation optocoupler is the secondary side output terminal (Vout) of described isolation feedback module (2).
5. the switching detection device according to claims 1 to 3 any one, it is characterized in that: described isolation feedback module (2) is relay, the control end of relay is primary side test side (Vin) and the primary side reference ground end of described isolation feedback module (2), and the output terminal of relay is the secondary side output terminal (Vout) of described isolation feedback module (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611543.2U CN204166078U (en) | 2014-10-21 | 2014-10-21 | A kind of switching detection device being applicable to switch, relay, fuse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611543.2U CN204166078U (en) | 2014-10-21 | 2014-10-21 | A kind of switching detection device being applicable to switch, relay, fuse |
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| CN204166078U true CN204166078U (en) | 2015-02-18 |
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| CN201420611543.2U Active CN204166078U (en) | 2014-10-21 | 2014-10-21 | A kind of switching detection device being applicable to switch, relay, fuse |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914377A (en) * | 2015-05-26 | 2015-09-16 | 吴小燕 | Fault detection circuit |
| CN109814017A (en) * | 2017-11-20 | 2019-05-28 | 国网上海市电力公司 | The IGBT on off operating mode detection circuit and its detection method of three-phase phase-change switch and application |
| CN110635557A (en) * | 2019-09-03 | 2019-12-31 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
| CN110967619A (en) * | 2019-04-30 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Detection circuit, circuit detection and control method |
| CN111220930A (en) * | 2018-11-23 | 2020-06-02 | 上海海拉电子有限公司 | Electric automobile contactor, and detection device and method for on-off state of fuse |
| CN111913132A (en) * | 2020-06-22 | 2020-11-10 | 南京康尼电子科技有限公司 | Loop on-off state detection device and method |
-
2014
- 2014-10-21 CN CN201420611543.2U patent/CN204166078U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914377A (en) * | 2015-05-26 | 2015-09-16 | 吴小燕 | Fault detection circuit |
| CN104914377B (en) * | 2015-05-26 | 2018-01-16 | 吴小燕 | A kind of failure detector circuit |
| CN109814017A (en) * | 2017-11-20 | 2019-05-28 | 国网上海市电力公司 | The IGBT on off operating mode detection circuit and its detection method of three-phase phase-change switch and application |
| CN111220930A (en) * | 2018-11-23 | 2020-06-02 | 上海海拉电子有限公司 | Electric automobile contactor, and detection device and method for on-off state of fuse |
| CN110967619A (en) * | 2019-04-30 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Detection circuit, circuit detection and control method |
| CN110967619B (en) * | 2019-04-30 | 2021-10-22 | 宁德时代新能源科技股份有限公司 | Detection circuit, circuit detection and control method |
| CN110635557A (en) * | 2019-09-03 | 2019-12-31 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
| CN110635557B (en) * | 2019-09-03 | 2021-05-25 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
| CN111913132A (en) * | 2020-06-22 | 2020-11-10 | 南京康尼电子科技有限公司 | Loop on-off state detection device and method |
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