CN205620487U - Detection apparatus for earth -leakage protector - Google Patents
Detection apparatus for earth -leakage protector Download PDFInfo
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- CN205620487U CN205620487U CN201620402484.7U CN201620402484U CN205620487U CN 205620487 U CN205620487 U CN 205620487U CN 201620402484 U CN201620402484 U CN 201620402484U CN 205620487 U CN205620487 U CN 205620487U
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- earth leakage
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- module
- leakage current
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 230000001012 protector Effects 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 105
- 238000004891 communication Methods 0.000 claims description 42
- 238000012546 transfer Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model discloses a detection apparatus for earth -leakage protector, apply relay, power input port, earth -leakage protector connection port, power module and artificial load module including controller, leakage current production module, leakage current, power module gives controller and the power supply of artificial load module, power input ports are connected external power source, earth -leakage protector connection port connect and to be surveyed earth -leakage protector, and power input port, earth -leakage protector connection port and artificial load module connect gradually, and the leakage current produces the module and produces the test with the leakage current and to apply the relay through the leakage current parallelly connected with the artificial load module, and the controller is applyed the relay with the leakage current and is connected, control the leakage current and apply the relay and apply the artificial load module with the leakage current. The utility model discloses just, can accomplish earth -leakage protector's detection fast and can be used for earth -leakage protector equipment information and the detection apparatus for earth -leakage protector of testing result closed loop management without replacer spare or equipment.
Description
Technical field
This utility model is specifically related to the detection device of a kind of earth leakage protective device.
Background technology
Along with development and the raising of people's living standard of China's economic technology, Electrical Safety is the most increasingly subject to people's attention.
The appearance of pressure standard " GB 1395-92 earth leakage protective device installation and operation " and popularization along with China; earth leakage protective device has obtained extensive and universal application in the low voltage electric network and vast low-voltage customer of China: earth leakage protective device is by detecting the phase line Leaked Current of Line to Ground or the size of shock current occurred in protection electrical network; thus send trip signal in time and complete trip operation, thus employment is made to protect in circuit devcie, circuit.
But, along with being widely used of earth leakage protective device, along with the impact of the various factors such as earth leakage protective device service life, use environment, the problem of earth leakage protective device in use reliability occurs the most therewith.At present, earth leakage protective device detecting the general mode using off-line, the earth leakage protective device of detection will be needed to disassemble from equipment, the testing agency delivering to have qualification carries out specialty detection；But, the detection for earth leakage protective device at present takes a lot of work, time-consuming, laborious, and detect process and result cannot real-time core pair, it is impossible to earth leakage protective device is formed an effective closed loop management.
Utility model content
The purpose of this utility model is to provide a kind of need not dismount device or equipment just can be rapidly completed the detection of earth leakage protective device and can be used in the detection device of the earth leakage protective device of earth leakage protective device facility information and testing result closed loop management.
The detection device of this earth leakage protective device that this utility model provides, applies relay, power input port, earth leakage protective device connectivity port, power module and fictitious load module including controller, leakage current generation module, leakage current；Power module is to controller and fictitious load module for power supply；Power input port is used for connecting external power source, earth leakage protective device connectivity port is for connecting tested earth leakage protective device, power input port, earth leakage protective device connectivity port and fictitious load module are sequentially connected with, leakage current generation module is for producing the leakage current of test, and armature contact and the fictitious load wired in parallel of relay is applied by leakage current, the coil that controller applies relay with leakage current is connected, controller applies opening and turning off of relay for controlling leakage current, the leakage current that leakage current generation module produces is applied to fictitious load module, it is additionally operable to generate a unique code for each tested leakage current protector, and record movement time and the operating state of earth leakage protective device, thus judge the performance of earth leakage protective device.
The detection device of described earth leakage protective device also includes display module；Display module is connected with controller, for being shown by the state parameter of the detection device of described earth leakage protective device, is also used for receiving user of service and described earth leakage protective device is detected the order that device is configured.
The detection device of described earth leakage protective device also includes communication module；Communication module is connected with controller, for externally being sent by the state parameter of the detection device of described earth leakage protective device, is also used for, outside reception, described earth leakage protective device is detected device and carries out the order of parameter setting.
The detection device of described earth leakage protective device also includes protecting module；Protection module is serially connected between power input port and earth leakage protective device connectivity port, for disconnecting the power supply of the detection device of described earth leakage protective device when equipment fault or external power source fault, it is achieved described earth leakage protective device detects the power-off protection of device.
Described power module includes accumulator and AC/DC power transfer module.
Described fictitious load module includes three-phase four-wire system motor, three-phase three-wire system motor and two-phase motor.
Described earth leakage protective device connectivity port includes the connectivity port mated with three-phase four-wire system earth leakage protective device, the connectivity port mated with three-phase three-wire system earth leakage protective device and the connectivity port mated with biphase earth leakage protective device.
Described communication module includes wire communication module and wireless communication module.
Described wire communication module includes CAN communication module, USB interface, serial communication modular and Parallel Interface Communication module.
Described wireless communication module includes WIFI communication module, bluetooth communication and GPRS communication module.
This utility model uses universal earth leakage protective device connection end, fictitious load and leakage current generation module to carry out the on-line checking of earth leakage protective device; have only to earth leakage protective device during detection and be wired to corresponding earth leakage protective device connection end; this utility model detects the performance of earth leakage protective device by the way of simulation produces leakage current and is applied to load end; and each earth leakage protective device is generated a unique encodings, and corresponding with model, earth leakage protective performance, testing result etc.；Therefore this utility model can dismount device or equipment just can be rapidly completed the detection of earth leakage protective device, and can be used in earth leakage protective device facility information and testing result closed loop management.This utility model simple in construction, circuit is reliable, with low cost, is widely used in all types of earth leakage protective detection occasions.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is the controller connection diagram of a kind of embodiment of the present utility model.
Fig. 3 is the circuit connection diagram of a kind of embodiment of the present utility model.
Fig. 4 is the schematic diagram that this utility model passes through that network is connected with host computer.
Detailed description of the invention
It is illustrated in figure 1 functional block diagram of the present utility model: the detection device of this earth leakage protective device that this utility model provides, applies relay, power input port, earth leakage protective device connectivity port, power module, fictitious load module, display module, communication module and protection module including controller, leakage current generation module, leakage current；Power module is to controller and fictitious load module for power supply；Power input port is used for connecting external power source, earth leakage protective device connectivity port is for connecting tested earth leakage protective device, power input port, earth leakage protective device connectivity port and fictitious load module are sequentially connected with, leakage current generation module is for producing the leakage current of test, and armature contact and the fictitious load wired in parallel of relay is applied by leakage current, the coil that controller applies relay with leakage current is connected, controller applies opening and turning off of relay for controlling leakage current, the leakage current that leakage current generation module produces is applied to fictitious load module, it is additionally operable to generate a unique code for each tested leakage current protector, and record movement time and the operating state of earth leakage protective device, thus judge the performance of earth leakage protective device；Display module is connected with controller, for being shown by the state parameter of the detection device of described earth leakage protective device, is also used for receiving user of service and described earth leakage protective device is detected the order that device is configured；Communication module is connected with controller, for externally being sent by the state parameter of the detection device of described earth leakage protective device, is also used for, outside reception, described earth leakage protective device is detected device and carries out the order of parameter setting；Protection module is serially connected between power input port and earth leakage protective device connectivity port, for disconnecting the power supply of the detection device of described earth leakage protective device when equipment fault or external power source fault, it is achieved described earth leakage protective device detects the power-off protection of device.
Power module can use accumulator and AC/DC power transfer module, and accumulator is used for ensureing that this utility model can independently provide electric power source, and AC/DC power transfer module is used for ensureing that this utility model has access to civil power and directly runs.
The load including three-phase four-wire system motor, three-phase three-wire system motor and two-phase motor of the fictitious load module, is used for simulating earth leakage protective device and works online state, it is ensured that simulation leakage current can be applied in load, thus realizes the detection of earth leakage protective device.
The model of earth leakage protective device connectivity port and existing earth leakage protective device and Interface Matching; specifically include the connectivity port mated with three-phase four-wire system earth leakage protective device, the connectivity port mated with three-phase three-wire system earth leakage protective device and the connectivity port mated with biphase earth leakage protective device.
Communication module can use wire communication module and wireless communication module, wire communication module includes CAN communication module, USB interface, serial communication modular and Parallel Interface Communication module, and wireless communication module includes WIFI communication module, bluetooth communication and GPRS communication module.
It is illustrated in figure 2 the controller connection diagram of a kind of embodiment of the present utility model: in this embodiment, controller uses the form of PLC+PLC expansion module, the I/O interface of PLC and PLC expansion module applies relay (indicating KA1 ~ KA15 in figure) with multiple leakage currents, the coil of multiple catalyst (indicating KM3 and KM4 in figure) is connected, by controlling powering on and power-off of the coil of relay and catalyst, thus control opening and turning off of the armature contact of relay, catalyst.
It is illustrated in figure 3 the circuit connection diagram of a kind of embodiment of the present utility model: in this embodiment, external power source can access this utility model from figure on A, B, C and N line of upper left, it is also possible to accesses this utility model from figure on A, B, C and N line of second straight line portion；The outside civil power accessed is connected to earth leakage protective device connectivity port by three-phase protector (using fuse, indicate F1, F2 and F3 in figure)；In figure, earth leakage protective device connectivity port uses the form of binding post, has three classes, including three-phase four-wire system earth leakage protective device connectivity port, three-phase three-wire system earth leakage protective device connectivity port and quarter-phase system earth leakage protective device connectivity port；In figure, the threephase load end motor in the upper right corner, single-phase load motor are fictitious load module, carry the ruuning situation of duty at band for simulating earth leakage protective device.In figure, the leakage current generation module of lower left corner part is for producing the leakage current of 30mA, 100mA and 300mA; and it is applied to load end by leakage current applying relay; produce the situation of leakage current for simulating earth leakage protective device lower load in working order, thus detect the service behaviour of earth leakage protective device.
It is illustrated in figure 4 the schematic diagram that this utility model is connected with host computer by network: the detection device of earth leakage protective device of the present utility model is connected with switch by network; thus be connected with host computer by switch; or can also be connected by switch and wireless routing; again by wireless routing and mobile terminal, as smart mobile phone, panel computer etc. connect.Additionally, this utility model also directly can be connected with the equipment such as host computer by the communication module that carries.It is connected with host computer by network, the ruuning situation of monitoring device can be carried out by the equipment such as mobile device or host computer, can cover all at one glance on the equipment such as mobile device or host computer including all test datas, warning message, substantially increase convenience and the safety of equipment test；Simultaneously; in order to better meet online field measurement; test data are collected and management; every tester is all with absolute coding and be that the earth leakage protective device of each detection produces a unique encodings; and carry Data Data to preserve and wireless communication functions; can be with active computer communication and real-time interconnection; computer is able to record that or points out the re-testing periods of this earth leakage protective device; missing inspection can be automatically provided, do not examine, examine; and examine and determine the data such as the most qualified, and detection next time can be provided to remind.
Claims (10)
1. the detection device of an earth leakage protective device, it is characterised in that include that controller, leakage current generation module, leakage current apply relay, power input port, earth leakage protective device connectivity port, power module and fictitious load module；Power module is to controller and fictitious load module for power supply；Power input port is used for connecting external power source, earth leakage protective device connectivity port is for connecting tested earth leakage protective device, power input port, earth leakage protective device connectivity port and fictitious load module are sequentially connected with, leakage current generation module is for producing the leakage current of test, and armature contact and the fictitious load wired in parallel of relay is applied by leakage current, the coil that controller applies relay with leakage current is connected, controller applies opening and turning off of relay for controlling leakage current, the leakage current that leakage current generation module produces is applied to fictitious load module, it is additionally operable to generate a unique code for each tested leakage current protector, and record movement time and the operating state of earth leakage protective device, thus judge the performance of earth leakage protective device.
The detection device of earth leakage protective device the most according to claim 1, it is characterised in that also include display module；Display module is connected with controller, for being shown by the state parameter of the detection device of described earth leakage protective device, is also used for receiving user of service and described earth leakage protective device is detected the order that device is configured.
The detection device of earth leakage protective device the most according to claim 1, it is characterised in that also include communication module；Communication module is connected with controller, for externally being sent by the state parameter of the detection device of described earth leakage protective device, is also used for, outside reception, described earth leakage protective device is detected device and carries out the order of parameter setting.
The detection device of earth leakage protective device the most according to claim 1, it is characterised in that also include protecting module；Protection module is serially connected between power input port and earth leakage protective device connectivity port, for disconnecting the power supply of the detection device of described earth leakage protective device when equipment fault or external power source fault, it is achieved described earth leakage protective device detects the power-off protection of device.
5. according to the detection device of the earth leakage protective device one of claim 1 ~ 4 Suo Shu, it is characterised in that described power module includes accumulator and AC/DC power transfer module.
6. according to the detection device of the earth leakage protective device one of claim 1 ~ 4 Suo Shu, it is characterised in that described fictitious load module includes three-phase four-wire system motor, three-phase three-wire system motor and two-phase motor.
7. according to the detection device of the earth leakage protective device one of claim 1 ~ 4 Suo Shu; it is characterized in that described earth leakage protective device connectivity port includes the connectivity port mated with three-phase four-wire system earth leakage protective device, the connectivity port mated with three-phase three-wire system earth leakage protective device and the connectivity port mated with biphase earth leakage protective device.
The detection device of earth leakage protective device the most according to claim 3, it is characterised in that described communication module includes wire communication module and wireless communication module.
The detection device of earth leakage protective device the most according to claim 8, it is characterised in that described wire communication module includes CAN communication module, USB interface, serial communication modular and Parallel Interface Communication module.
The detection device of earth leakage protective device the most according to claim 8, it is characterised in that described wireless communication module includes WIFI communication module, bluetooth communication and GPRS communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402484.7U CN205620487U (en) | 2016-05-06 | 2016-05-06 | Detection apparatus for earth -leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402484.7U CN205620487U (en) | 2016-05-06 | 2016-05-06 | Detection apparatus for earth -leakage protector |
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| Publication Number | Publication Date |
|---|---|
| CN205620487U true CN205620487U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620402484.7U Active CN205620487U (en) | 2016-05-06 | 2016-05-06 | Detection apparatus for earth -leakage protector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167335A (en) * | 2018-09-17 | 2019-01-08 | 余姚市嘉荣电子电器有限公司 | A kind of safe earth leakage protecting method |
| CN109167332A (en) * | 2018-09-17 | 2019-01-08 | 余姚市嘉荣电子电器有限公司 | A kind of safe earth leakage protecting method |
-
2016
- 2016-05-06 CN CN201620402484.7U patent/CN205620487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167335A (en) * | 2018-09-17 | 2019-01-08 | 余姚市嘉荣电子电器有限公司 | A kind of safe earth leakage protecting method |
| CN109167332A (en) * | 2018-09-17 | 2019-01-08 | 余姚市嘉荣电子电器有限公司 | A kind of safe earth leakage protecting method |
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