CN109449059A - Intelligent breaker with self-checking function - Google Patents

Intelligent breaker with self-checking function Download PDF

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Publication number
CN109449059A
CN109449059A CN201811131477.8A CN201811131477A CN109449059A CN 109449059 A CN109449059 A CN 109449059A CN 201811131477 A CN201811131477 A CN 201811131477A CN 109449059 A CN109449059 A CN 109449059A
Authority
CN
China
Prior art keywords
unit
self
breaker
electricity
divide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811131477.8A
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Chinese (zh)
Inventor
史李杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Sifang Borui Technology Co Ltd
Original Assignee
Hangzhou Sifang Borui Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Sifang Borui Technology Co Ltd filed Critical Hangzhou Sifang Borui Technology Co Ltd
Priority to CN201811131477.8A priority Critical patent/CN109449059A/en
Publication of CN109449059A publication Critical patent/CN109449059A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04Means for indicating condition of the switching device
    • H01H2071/044Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a kind of intelligent breakers with self-checking function, comprising: breaker unit, for cutting off transmission line of electricity;Detection unit, for detecting the leakage current of transmission line of electricity;Divide-shut brake unit disconnects transmission line of electricity for mechanically manipulating breaker unit;Electronic control unit, for controlling divide-shut brake unit according to setting so that breaker unit disconnects transmission line of electricity;Selftest module, can be by simulation leakage current that detection of electrical leakage module detects for generate setting;Wherein, electronic control unit constitutes with detection unit and divide-shut brake unit be electrically connected so that electronic control unit controls divide-shut brake unit according to the testing result of detection unit respectively.The invention has the beneficial effects that providing a kind of intelligent breaker with self-checking function that can realize creepage protection function detection automatically.

Description

Intelligent breaker with self-checking function
Technical field
The present invention relates to a kind of intelligent breakers with self-checking function.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
Existing breaker forms mould group by breaker, it usually needs user's certain time operate trigger piece open-circuit line with Realize corresponding leakage current test, but user often ignores the detection of this part, accumulates over a long period and earth leakage protective is caused to fail Hidden danger.
Summary of the invention
A kind of intelligent breaker with self-checking function, comprising:
Breaker unit, for cutting off transmission line of electricity;
Detection unit, for detecting the leakage current of transmission line of electricity;
Divide-shut brake unit disconnects transmission line of electricity for mechanically manipulating breaker unit;
Electronic control unit, for controlling divide-shut brake unit according to setting so that breaker unit disconnects transmission line of electricity;
Selftest module, the energy for generating setting are detected unit simulation leakage current detected;
Wherein, electronic control unit constitutes with detection unit and divide-shut brake unit be electrically connected so that electronic control unit is according to inspection respectively The testing result for surveying unit controls divide-shut brake unit.
Further, with the intelligent breaker of self-checking function further include:
Self-test switch, for for user's operation to trigger selftest module.
Further, electronic control unit is according to detection unit electric leakage flow control divide-shut brake unit detected, when leakage current is super Divide-shut brake unit makes breaker unit be in gate-dividing state when crossing threshold value.
Further, with the intelligent breaker of self-checking function further include:
Creepage mutual inductor, for being passed through for a phase line and zero curve in transmission line of electricity;
Creepage mutual inductor is electrically connected to detection unit.
Further, selftest module is connected with a self-test current loop.
Further, self-test current loop passes through creepage mutual inductor.
Further, electronic control unit controls selftest module so that selftest module generates simulation leakage according to the time cycle of setting Electric current.
Further, electronic control unit is according to from external received communication data control selftest module so that selftest module generates Simulate leakage current.
Further, electronic control unit is used to control divide-shut brake unit according to the time point of setting so that breaker unit disconnects Transmission line of electricity.
Further, electronic control unit is used for the condition control divide-shut brake unit according to the parameter threshold of setting so that breaker Unit disconnects transmission line of electricity.
The invention has the beneficial effects that:
Provide a kind of intelligent breaker with self-checking function that can realize creepage protection function detection automatically.
Detailed description of the invention
Fig. 1 is the structural schematic block diagram of intelligent breaker of the invention;
Fig. 2 is the structural schematic block diagram of detection unit in Fig. 1;
Fig. 3 is the structural schematic block diagram of electronic control unit in Fig. 1;
Fig. 4 is the structural schematic diagram of selftest module part in intelligent breaker shown in Fig. 1;
Fig. 5 is the structural schematic diagram of divide-shut brake unit and electronic control unit in Fig. 1.
Intelligent breaker 100 with self-checking function, breaker unit 101, detection unit 102, voltage detection module 103, current detection module 104, temperature detecting module 105, fault electric arc detection module 106, leakage current test module 107, electricity Measure detection module 108, divide-shut brake unit 109, electronic control unit 110, decelerating motor 111, position detecting device 112, automatically controlled chip 113, Operation switch 114, self-test switch 115, selftest module 116, creepage mutual inductor 117, self-test current loop 118, communication list Member 119.
Specific embodiment
As shown in Figures 1 to 5, intelligent breaker 100 includes: breaker unit 101, detection unit 102, divide-shut brake unit 109, electronic control unit 110, Operation switch 114, communication unit 119.
Wherein, breaker unit 101 has trigger piece and trip gear for cutting off transmission line of electricity, breaker unit 101 To realize the general utility functions of breaker.
The electrical parameter, such as leakage current etc. of the detection transmission line of electricity of detection unit 102.As specific scheme, detection unit 102 include: voltage detection module 103, current detection module 104, temperature detecting module 105, leakage current test module 107, electricity Measure detection module 108.
As concrete scheme, detection unit 102 includes: voltage detection module 103, current detection module 104, temperature detection Module 105, leakage current test module 107, electric power detection module 108 and faulty circuit detection module.
Wherein, voltage detection module 103 is used to detect the voltage parameter of transmission line of electricity.Current detection module 104 is for examining Survey the current parameters of transmission line of electricity.Temperature detecting module 105 is used to detect the temperature of intelligent breaker 100.Residual stream detects mould Block, for detecting the leakage current of intelligent breaker 100.Electric power detection module 108, the load connected for detecting transmission line of electricity Electricity consumption;Fault electric arc detection module 106, for detecting arc discharge situation in transmission line of electricity.Electronic control unit 110 respectively with Detection unit 102 and divide-shut brake unit 109, which are constituted, to be electrically connected.Electronic control unit 110 is in the electrical parameter detected of detection unit 102 Divide-shut brake unit 109 is controlled when more than threshold value so that breaker unit 101 disconnects transmission line of electricity.It is of course also possible in temperature mistake Divide-shut brake unit 109 is controlled when high so that breaker unit 101 disconnects transmission line of electricity.
As expansion scheme, intelligent breaker 100 further includes communication unit 119.The communication unit 119 is for making the electricity Control unit 110 and external composition data interaction.So, external equipment or system, such as management system or the area of power grid Domain power management server can control current intelligent breaker 100, while intelligent breaker by communication unit 119 100 can also upload data.Communication unit 119 may include a wireless communication module, to realize the function of wireless telecommunications.
Intelligent breaker 100 is equipped with an Operation switch 114.The entity structure of the Operation switch 114 can be with automatically controlled list The entity sets of member 110 are an entirety.
Operation switch 114 is used for for user's operation so that intelligent breaker 100 is in manual mode or automatic mode.Division Lock unit 109 includes a driving device, and electronic control unit 110 is electrically connected to the driving device so that dual-mode intelligent breaker 100 control driving device when being in automatic mode, and Operation switch 114 is electrically connected to electronic control unit 110 so that intelligent breaker 100 control driving device stopping movement when being in manual mode.
Specifically, Operation switch 114 can be a signaling switch, by automatically controlled chip 113 in electronic control unit 110 Issue the selection of signal for controlling the mode.For example, signaling switch can send a high level signal to make automatically controlled chip 113 Switch mode, in manual mode, automatically controlled chip 113 no longer issues control signal to driving device, such as decelerating motor 111.
Alternatively, alternatively, Operation switch 114 can be the switch being arranged in power supply line, It can make that electronic control unit 110 or/and driving device disconnect power supply and implementation pattern selects.
So, in manual mode, electronic control unit 110 will not be because of long-range control signal automatic closing or separating brake To make to bring security risk.And after completing some work such as repaired, intelligent breaker 100 can be made to be returned to automatically State.
As concrete scheme, divide-shut brake unit 109 includes a transmission mechanism so that divide-shut brake unit 109 can be filled in driving When setting operation while driving the trigger piece and trip gear of breaker unit 101.
In addition, intelligent breaker 100 further include: position detecting device 112, for detecting at least part in transmission mechanism Position and to 110 feedback position information of electronic control unit.So in automatic mode, the movement of divide-shut brake can effectively be controlled.
As concrete scheme, driving device includes a decelerating motor 111.Transmission mechanism include a force-increasing mechanism so that The torsion amplification that decelerating motor 111 exports.Transmission mechanism includes a reversing mechanism so that the torsion that decelerating motor 111 exports Change direction.It can be effectively reduced the overall dimensions of intelligent breaker 100 by the two mechanisms.
In addition, intelligent breaker 100 further include: instruction device, for indicating to the user that the current shape of intelligent breaker 100 State.As expansion scheme, instruction device can also be in manual mode, if electronic control unit 110 receives control signal or tastes When examination carries out switch closing and switch opening control, operator is informed in instruction device alarm, and there are potential threats, so that its hedging or elimination control Source processed.As concrete scheme, instruction device includes an indicator light, naturally it is also possible to including a loudspeaker, alarm occur Or voice.
In addition, electronic control unit 110, which is arranged to setting, controls the divide-shut brake unit 109 so that the breaker list Member 101 disconnects transmission line of electricity.
Intelligent breaker 100 further includes a selftest module 116, the selftest module 116 be used to generate set can be by institute State the simulation leakage current of detection of electrical leakage module detection.
In addition, intelligent breaker 100 further include: self-test switch 115.For triggering the selftest module for user's operation 116.For user when pressing self-test switch 115, intelligent breaker 100 carries out a leakage current test, and selftest module 116 generates one A simulation leakage current, can simulate it is true there is a situation where buildings, arranged to detect and cope with the protection of electric leakage in intelligent breaker 100 It applies with whether equipment is effective.
Specifically, electronic control unit 110 is according to the electric leakage detected of detection unit 102 as a kind of earth leakage protective measure Flow control divide-shut brake unit 109, when leakage current is more than threshold value, divide-shut brake unit 109 makes breaker unit 101 be in separating brake shape State.
As more specific scheme, intelligent breaker 100 further include: creepage mutual inductor 117, for in transmission line of electricity one A phase line and zero curve pass through.In truth, there are drain conditions, creepage mutual inductor 117 can generate corresponding signal output To detect danger of hazardous electrical discharges.As concrete scheme, creepage mutual inductor 117 can be fed directly to electronic control unit 110, automatically controlled list Member 110 judges that the disconnection transmission line of electricity of divide-shut brake unit 109 is controlled when drain conditions to eliminate danger.
As expansion scheme, creepage mutual inductor 117 can also be electrically connected to detection unit 102.Detection unit 102 detects For the signal of judgement, result is then fed back into electronic control unit 110 again.
As concrete scheme, selftest module 116 is connected with a self-test current loop 118.Self-test current loop 118 passes through Creepage mutual inductor 117.Once the electric current for flowing through the generation of selftest module 116 in self-test current loop 118 in this way is equivalent to simulate The case where electric leakage.
, can also be in parallel with phase line by selftest module 116 by single-phase conductor element as expansion scheme, being equivalent to will certainly Inspection module 116 generates electric current and is attached directly in phase line.
As concrete scheme, electronic control unit 110 is according to the time cycle control selftest module 116 of setting so that selftest module 116 generate simulation leakage current.For example, according to every month, or weekly or each season carries out self-test.
As concrete scheme, electronic control unit 110 is according to from external received communication data control selftest module 116 so that certainly It examines module 116 and generates simulation leakage current.For example, according to the Centralized Controller of local power net, alternatively, the server of power grid entirety. As a kind of expansion scheme, each intelligent breaker 100 all has a number ID label and corresponding code key, intelligent breaker 100 are linked into internet or other telecommunication networks by the wireless network of local, and user passes through mobile terminal, such as mobile phone, Corresponding intelligent breaker 100 is accessed, user identity is then confirmed by code key, user can be dynamic by control at the terminal Make the movement of hair selftest module 116.
Further, electronic control unit 110 is used for the time point control divide-shut brake unit 109 according to setting so that breaker list Member 101 disconnects transmission line of electricity.Such as fixed date and time monthly.
Further, electronic control unit 110 be used for according to setting parameter threshold condition control divide-shut brake unit 109 so that Breaker unit 101 disconnects transmission line of electricity.For example, when electricity consumption drops to a threshold value and the duration also meets threshold value, Automatically carry out self-checking behavior.As expansion scheme, on the basis of the movement of the above mobile terminal, electronic control unit 110 judges Parameter threshold condition, which meets, issues mobile terminal for data, and user can be with active operation to trigger self-test, alternatively, by mobile terminal Middle program intelligent decision.As a kind of concrete scheme, mobile terminal passes through the case where smart home system can know electrical appliance, Then self-test is being judged whether to according to the data of intelligent breaker 100.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation Technical solution is fallen within the scope of protection of the present invention.

Claims (10)

1. a kind of intelligent breaker with self-checking function, it is characterised in that:
The intelligent breaker with self-checking function includes:
Breaker unit, for cutting off transmission line of electricity;
Detection unit, for detecting the leakage current of transmission line of electricity;
Divide-shut brake unit disconnects transmission line of electricity for mechanically manipulating the breaker unit;
Electronic control unit, for controlling the divide-shut brake unit according to setting so that the breaker unit disconnects transmission line of electricity;
Selftest module, for generate setting can be by detection unit simulation leakage current detected;
Wherein, the electronic control unit constitutes with the detection unit and the divide-shut brake unit be electrically connected so that the electricity respectively It controls unit and the divide-shut brake unit is controlled according to the testing result of the detection unit.
2. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The intelligent breaker with self-checking function further include:
Self-test switch, for triggering the selftest module for user's operation.
3. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
Electronic control unit divide-shut brake unit according to detection unit electric leakage flow control detected, when leakage current is more than The divide-shut brake unit makes the breaker unit be in gate-dividing state when threshold value.
4. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The intelligent breaker with self-checking function further include:
Creepage mutual inductor, for being passed through for a phase line and zero curve in transmission line of electricity;
The creepage mutual inductor is electrically connected to the detection unit.
5. the intelligent breaker according to claim 4 with self-checking function, it is characterised in that:
The selftest module is connected with a self-test current loop.
6. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The self-test current loop passes through the creepage mutual inductor.
7. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The electronic control unit controls the selftest module so that the selftest module generates simulation leakage according to the time cycle of setting Electric current.
8. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The electronic control unit is according to from the external received communication data control selftest module so that the selftest module generates Simulate leakage current.
9. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The electronic control unit is used to control the divide-shut brake unit according to the time point of setting so that the breaker unit disconnects Transmission line of electricity.
10. the intelligent breaker according to claim 1 with self-checking function, it is characterised in that:
The electronic control unit is used to control the divide-shut brake unit according to the condition of the parameter threshold of setting so that the breaker Unit disconnects transmission line of electricity.
CN201811131477.8A 2018-09-27 2018-09-27 Intelligent breaker with self-checking function Pending CN109449059A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN109449059A true CN109449059A (en) 2019-03-08

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110031719A (en) * 2019-04-22 2019-07-19 福建通力达实业有限公司 A kind of circuit detecting method and equipment based on Intelligent electric leakage monitoring miniature circuit breaker
CN110146768A (en) * 2019-05-05 2019-08-20 浙江大学 Earth leakage protective device self-checking unit and earth leakage protective device
CN112072613A (en) * 2020-09-15 2020-12-11 华通机电股份有限公司 Residual current operated circuit breaker capable of self-checking
CN112462824A (en) * 2020-11-12 2021-03-09 宣城睿晖宣晟企业管理中心合伙企业(有限合伙) Heating control system and method for thin film deposition equipment
CN113990716A (en) * 2021-10-18 2022-01-28 上海红檀智能科技有限公司 Internet of things breaker

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Publication number Priority date Publication date Assignee Title
EP3086426A1 (en) * 2015-04-23 2016-10-26 Siemens Aktiengesellschaft Fire protection switch
CN106158540A (en) * 2012-07-27 2016-11-23 赵牧青 A kind of RCCB with electric switch-on function
CN107294059A (en) * 2016-04-01 2017-10-24 苏州益而益电器制造有限公司 Use electric detection means
CN206774470U (en) * 2017-04-24 2017-12-19 深圳曼顿科技有限公司 New Type of Low Voltage Circuit Breaker with Data Detection function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158540A (en) * 2012-07-27 2016-11-23 赵牧青 A kind of RCCB with electric switch-on function
EP3086426A1 (en) * 2015-04-23 2016-10-26 Siemens Aktiengesellschaft Fire protection switch
CN107294059A (en) * 2016-04-01 2017-10-24 苏州益而益电器制造有限公司 Use electric detection means
CN206774470U (en) * 2017-04-24 2017-12-19 深圳曼顿科技有限公司 New Type of Low Voltage Circuit Breaker with Data Detection function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110031719A (en) * 2019-04-22 2019-07-19 福建通力达实业有限公司 A kind of circuit detecting method and equipment based on Intelligent electric leakage monitoring miniature circuit breaker
CN110031719B (en) * 2019-04-22 2021-02-12 福建通力达实业有限公司 Circuit detection method and device based on intelligent leakage monitoring miniature circuit breaker
CN110146768A (en) * 2019-05-05 2019-08-20 浙江大学 Earth leakage protective device self-checking unit and earth leakage protective device
CN110146768B (en) * 2019-05-05 2020-08-04 浙江大学 Leakage protector self-checking device and leakage protector
CN112072613A (en) * 2020-09-15 2020-12-11 华通机电股份有限公司 Residual current operated circuit breaker capable of self-checking
CN112462824A (en) * 2020-11-12 2021-03-09 宣城睿晖宣晟企业管理中心合伙企业(有限合伙) Heating control system and method for thin film deposition equipment
CN113990716A (en) * 2021-10-18 2022-01-28 上海红檀智能科技有限公司 Internet of things breaker

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Application publication date: 20190308

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