CN205595754U - Earth -leakage protector with automated inspection function - Google Patents
Earth -leakage protector with automated inspection function Download PDFInfo
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- CN205595754U CN205595754U CN201620340649.2U CN201620340649U CN205595754U CN 205595754 U CN205595754 U CN 205595754U CN 201620340649 U CN201620340649 U CN 201620340649U CN 205595754 U CN205595754 U CN 205595754U
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- switch
- earth leakage
- protective device
- protection shell
- leakage protective
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Abstract
The utility model discloses an earth -leakage protector with automated inspection function, including protecting sheathing, protecting sheathing's top and bottom all are provided with the access port, and insert the one side that is provided with fastening screw on the port of port and inserts the port and be provided with fastening screw, protecting sheathing is last to be provided with shell set screw, and protecting sheathing's the outside is provided with the solenoid -operated switch box, be provided with the display screen on the solenoid -operated switch box, and the below of display screen is provided with trip switch, the last operating handle that is provided with of trip switch. The utility model discloses a stability that fastening screw can reinforce between electric wire and the protector makes the installation of electric wire more convenient, can give the staff with detected signal and operating condition timely feedback through wireless transmitter, can receive the signal at earth -leakage protector and touches back automatic detection line way and look for the work reason through detecting the protector, avoids closing and closing, bypass the immediate leadership and touch the mistake that results in with the series flow and move timely recovering because signal interference, switch appear.
Description
Technical field
This utility model relates to electric circuit protection equipment technical field, a kind of earth leakage protective device with automatic detection function.
Background technology
The earth leakage protective device with automatic detection function can be classified by its defencive function, architectural feature, mounting means, the method for operation, number of poles and line number, action sensitivity etc.; here mainly describe by its defencive function and purpose classification, generally can be divided into electric leakage protection relay, earth leakage circuit-breaker and earth leakage protective socket three kinds.Electric leakage protection relay refers to the function having leakage current test and judgement, and does not have the earth leakage protective device being switched off and on major loop function.Electric leakage protection relay is made up of the auxiliary contact of ZCT, electrical apparatus release and output signal.It can coordinate with automatically switching of big electric current, as total protection or the electric leakage of trunk roads, ground connection or the insulation monitoring protection of low voltage electric network.When major loop has leakage current; owing to auxiliary contact and the separation electrical apparatus release leading back the earth leakage protective device way switch with automatic detection function are connected into primary Ioops; therefore auxiliary contact is connected and is separated electrical apparatus release and disconnect air switch, A.C. contactor etc. so that it is breaking, cuts off major loop.Auxiliary contact can also connect sound and optic signal device, sends leakage-current alarm signal, the insulation status of reflection circuit.Earth leakage circuit-breaker refers to that not only main circuit can be switched on or switched off as other chopper by it; and there is the function to leakage current test and judgement; when major loop occurs electric leakage or insulation breakdown, the switch element that main circuit can be switched on or switched off by earth leakage circuit-breaker according to judged result.It coordinates the low tension switch element that may make up perfect in shape and function with fuse, thermorelay.It is high that existing circuit brake also exists malfunction frequency, it is impossible to automatic inspection line road fault, operation uneasy congruence shortcoming.
It is thus desirable to a kind of earth leakage protective device with automatic detection function, malfunction frequency can be reduced, separate convenient to operate by controlling switch and protector and control to improve the safety used.
Utility model content
The purpose of this utility model is to provide a kind of earth leakage protective device with automatic detection function, with the problem solving to propose in above-mentioned background technology.
nullFor achieving the above object，This utility model following technical scheme of offer: a kind of earth leakage protective device with automatic detection function，Including protection shell，Top and the bottom of described protection shell are provided with access interface，And it is provided with trip bolt on the port of access interface，It is provided with shell on described protection shell and fixes screw，And the outside of protection shell is provided with solenoid-operated switch box，It is provided with display screen on described solenoid-operated switch box，And the lower section of display screen is provided with trip switch，Operation handle it is provided with on described trip switch，One side of described operation handle is provided with status indicator lamp，And status indicator lamp is arranged on solenoid-operated switch box，It is provided with circuit main board in described protection shell，And the side of protection shell is provided with control chamber，The bottom of described protection shell is provided with detection protector，The top of described control chamber is provided with wireless signal transmitter，And control chamber be internally provided with detection data storage.
Preferably, described status indicator lamp is provided with three, and three status indicator lamps set gradually from top to bottom, can be observed directly the duty of earth leakage protective device by three status indicator lamps.
Preferably, described circuit main board is provided with and compares operational amplifier, action condenser, zero sequence current mutual inductor and fault detect alarm, protection circuit can avoid danger of hazardous electrical discharges in time by the equipment on circuit main board.
Preferably, described operational amplifier, action condenser and the zero sequence current mutual inductor of comparing all electrically connects with fault detect alarm, and the duty that can be monitored other equipment by fault detect alarm sends alarm signal to abnormal state detection in time.
Preferably, the outside of described control chamber is provided with reset switch, detection switch, experiment switch, activate switch and intelligent controller.
Preferably, described access interface, display screen, trip switch, circuit main board, wireless signal transmitter, status indicator lamp, detection protector, reset switch, detection switch, experiment switch, activate switch, detection data storage, compare operational amplifier, action condenser, zero sequence current mutual inductor and fault detect alarm and all electrically connect with intelligent controller.
Compared with prior art, the beneficial effects of the utility model are: this earth leakage protective device with automatic detection function can reinforce stablizing between electric wire and protector by trip bolt makes the easier for installation of electric wire, circuit state and running voltage and electric current can be observed directly by display screen and facilitate observation and the operation of user of service, detection signal and duty can be fed back to staff in time by wireless signal transmitter, automatic inspection line road searching work reason after signal touches can be received at earth leakage protective device by detection protector, avoid because signal disturbing occurs, on and off switch closes and closes, bypass the immediate leadership and touch and the malfunction that causes of crossfire recovers in time, duty can be seen intuitively by status indicator lamp, alarm signal and alarm is sent by fault detect alarm under abnormality.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of this utility model circuit main board；
Fig. 3 is the structural representation of this utility model control chamber.
In figure: 1, access interface；2, trip bolt；3, protection shell；4, shell fixes screw；5, display screen；6, trip switch；7, operation handle；8, circuit main board；9, wireless signal transmitter；10, control chamber；11, status indicator lamp；12, solenoid-operated switch box；13, detection protector；14, reset switch；15, detection switch；16, experiment switch；17, activate switch；18, detection data storage；19, intelligent controller；20, operational amplifier is compared；21, action condenser；22, zero sequence current mutual inductor；23, fault detect alarm.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1-3，A kind of technical scheme of this utility model offer: a kind of earth leakage protective device with automatic detection function，Including protection shell 3，Top and the bottom of protection shell 3 are provided with access interface 1，And on the port of access interface 1, it is provided with trip bolt 2，Facilitate the access of electric wire by trip bolt 2 and fix，It is provided with shell on protection shell 3 and fixes screw 4，And the outside of protection shell 3 is provided with solenoid-operated switch box 12，Display screen 5 it is provided with on solenoid-operated switch box 12，The duty of earth leakage protective device can be seen intuitively by display screen 5，And the lower section of display screen 5 is provided with trip switch 6，Operation handle 7 it is provided with on trip switch 6，One side of operation handle 7 is provided with status indicator lamp 11，And status indicator lamp 11 is arranged on solenoid-operated switch box 12，It is provided with circuit main board 8 in protection shell 3，And the side of protection shell 3 is provided with control chamber 10，The bottom of protection shell 3 is provided with detection protector 13，Automatic inspection line road searching work reason after signal touches is received at earth leakage protective device by detection protector 13，Avoid because signal disturbing occurs、On and off switch closes and closes、Shake-up of bypassing the immediate leadership is repaired in time with the malfunction that crossfire causes，The top of control chamber 10 is provided with wireless signal transmitter 9，And control chamber 10 be internally provided with detection data storage 18.
nullStatus indicator lamp 11 is provided with three，And three status indicator lamps 11 set gradually from top to bottom，The duty of earth leakage protective device can be observed directly by status indicator lamp 11，It is provided with on circuit main board 8 and compares operational amplifier 20、Action condenser 21、Zero sequence current mutual inductor 22 and fault detect alarm 23，Relatively operational amplifier 20、Action condenser 21 and zero sequence current mutual inductor 22 all electrically connect with fault detect alarm 23，Danger of hazardous electrical discharges can be avoided with protection circuit by the equipment on circuit main board 8，The outside of control chamber 10 is provided with reset switch 14、Detection switch 15、Experiment switch 16、Activate switch 17 and intelligent controller 19，Access interface 1、Display screen 5、Trip switch 6、Circuit main board 8、Wireless signal transmitter 9、Status indicator lamp 11、Detection protector 13、Reset switch 14、Detection switch 15、Experiment switch 16、Activate switch 17、Detection data storage 18、Relatively operational amplifier 20、Action condenser 21、Zero sequence current mutual inductor 22 and fault detect alarm 23 all electrically connect with intelligent controller 19.
Operation principle: when using this to have the earth leakage protective device of automatic detection function, it is arranged in access interface 1 by electric wire being installed trace arrangements, by trip bolt 2, electric wire is fixed, after circuit is connected, activate switch 17 is opened and then whether can normally be worked by experiment switch 16 experimental circuits, resetted by reset switch again, the use state of earth leakage protective device can be observed directly by status indicator lamp 11, by display screen 5 it is observed that circuit state and running voltage facilitate observation and the operation of user of service with electric current, automatic inspection line road searching work reason after signal touches can be received at earth leakage protective device by detection protector, avoid because signal disturbing occurs, on and off switch closes and closes, bypass the immediate leadership and touch and the malfunction that causes of crossfire recovers in time.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (6)
- null1. an earth leakage protective device with automatic detection function，Including protection shell (3)，It is characterized in that: top and the bottom of described protection shell (3) are provided with access interface (1)，And on the port of access interface (1), it is provided with trip bolt (2)，It is provided with shell on described protection shell (3) and fixes screw (4)，And the outside of protection shell (3) is provided with solenoid-operated switch box (12)，It is provided with display screen (5) on described solenoid-operated switch box (12)，And the lower section of display screen (5) is provided with trip switch (6)，Operation handle (7) it is provided with on described trip switch (6)，One side of described operation handle (7) is provided with status indicator lamp (11)，And status indicator lamp (11) is arranged on solenoid-operated switch box (12)，It is provided with circuit main board (8) in described protection shell (3)，And the side of protection shell (3) is provided with control chamber (10)，The bottom of described protection shell (3) is provided with detection protector (13)，The top of described control chamber (10) is provided with wireless signal transmitter (9)，And control chamber (10) be internally provided with detection data storage (18).
- The earth leakage protective device with automatic detection function the most according to claim 1, it is characterised in that: described status indicator lamp (11) is provided with three, and three status indicator lamps (11) set gradually from top to bottom.
- The earth leakage protective device with automatic detection function the most according to claim 1, it is characterised in that: it is provided with on described circuit main board (8) and compares operational amplifier (20), action condenser (21), zero sequence current mutual inductor (22) and fault detect alarm (23).
- The earth leakage protective device with automatic detection function the most according to claim 3, it is characterised in that: described operational amplifier (20), action condenser (21) and the zero sequence current mutual inductor (22) of comparing all electrically connects with fault detect alarm (23).
- The earth leakage protective device with automatic detection function the most according to claim 1, it is characterised in that: the outside of described control chamber (10) is provided with reset switch (14), detection switch (15), experiment switch (16), activate switch (17) and intelligent controller (19).
- The earth leakage protective device with automatic detection function the most according to claim 1, it is characterized in that: described access interface (1), display screen (5), trip switch (6), circuit main board (8), wireless signal transmitter (9), status indicator lamp (11), detection protector (13), reset switch (14), detection switch (15), experiment switch (16), activate switch (17), detection data storage (18), relatively operational amplifier (20), action condenser (21), zero sequence current mutual inductor (22) and fault detect alarm (23) all electrically connect with intelligent controller (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340649.2U CN205595754U (en) | 2016-04-19 | 2016-04-19 | Earth -leakage protector with automated inspection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620340649.2U CN205595754U (en) | 2016-04-19 | 2016-04-19 | Earth -leakage protector with automated inspection function |
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| Publication Number | Publication Date |
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| CN205595754U true CN205595754U (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620340649.2U Expired - Fee Related CN205595754U (en) | 2016-04-19 | 2016-04-19 | Earth -leakage protector with automated inspection function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726953A (en) * | 2019-11-30 | 2020-01-24 | 苏州司巴克自动化设备股份有限公司 | Conduction testing device of leakage protector |
| EP3798763A3 (en) * | 2019-09-24 | 2021-05-12 | Rockwell Automation Technologies, Inc. | Electrical status indication system |
| CN113097972A (en) * | 2021-04-01 | 2021-07-09 | 国网新疆电力有限公司昌吉供电公司 | Circuit fault early warning information transmission equipment |
| US11366451B2 (en) | 2019-09-24 | 2022-06-21 | Rockwell Automation Technologies, Inc. | System and method for providing access to electrical circuitry based on operational status |
-
2016
- 2016-04-19 CN CN201620340649.2U patent/CN205595754U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3798763A3 (en) * | 2019-09-24 | 2021-05-12 | Rockwell Automation Technologies, Inc. | Electrical status indication system |
| US11366451B2 (en) | 2019-09-24 | 2022-06-21 | Rockwell Automation Technologies, Inc. | System and method for providing access to electrical circuitry based on operational status |
| US11397419B2 (en) | 2019-09-24 | 2022-07-26 | Rockwell Automation Technologies, Inc. | Electrical status indication system |
| US11740610B2 (en) | 2019-09-24 | 2023-08-29 | Rockwell Automation Technologies, Inc. | Electrical status indication system |
| CN110726953A (en) * | 2019-11-30 | 2020-01-24 | 苏州司巴克自动化设备股份有限公司 | Conduction testing device of leakage protector |
| CN113097972A (en) * | 2021-04-01 | 2021-07-09 | 国网新疆电力有限公司昌吉供电公司 | Circuit fault early warning information transmission equipment |
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Legal Events
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| 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: 20160921 Termination date: 20170419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |