CN203942269U - A kind of New Arc failure to trip device - Google Patents

A kind of New Arc failure to trip device Download PDF

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Publication number
CN203942269U
CN203942269U CN201420290299.4U CN201420290299U CN203942269U CN 203942269 U CN203942269 U CN 203942269U CN 201420290299 U CN201420290299 U CN 201420290299U CN 203942269 U CN203942269 U CN 203942269U
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CN
China
Prior art keywords
transmission line
trip device
new arc
current sensor
data transmitter
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Expired - Fee Related
Application number
CN201420290299.4U
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Chinese (zh)
Inventor
袁芳革
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袁芳革
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Priority to CN201420290299.4U priority Critical patent/CN203942269U/en
Application granted granted Critical
Publication of CN203942269U publication Critical patent/CN203942269U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of New Arc failure to trip device, comprise the automatically controlled circuit breaker being arranged on transmission line mains side, on transmission line mains side, be provided with upper end voltage sensor, with upper end current sensor, upper end voltage sensor is connected with data sink respectively with upper end current sensor, in transmission line load-side, be provided with lower end voltage sensor and lower end current sensor, lower end voltage sensor is connected with data transmitter respectively with lower end current sensor, on automatically controlled circuit breaker, be connected with intelligent logical controller, data sink is connected with intelligent logical controller, be provided with load wiring case at the destination county of transmission line.It is a kind of simple in structure that the purpose of this utility model provides, and can effectively reduce the New Arc failure to trip device of the electrical fire danger being caused by the serial arc between energized conductor or electric arc in parallel.

Description

A kind of New Arc failure to trip device
[technical field]
The utility model relates to a kind of New Arc failure to trip device.
[background technology]
Along with expanding economy, people's living standard improves constantly, household electrical appliance more and more enter the people's life, when having facilitated people's lives, also bring much Electrical Safety hidden danger, particularly along with increase the service time of electrical appliance, make between power line because power line is aging or power line and ground between easily produce electric arc, and then ignite combustible and cause fire to happen occasionally, bring massive losses to the people's life and property.Existing residual current operated protective device RCD can effectively reduce fire hazard by the arcing over the ground that detects the leakage current in electric device and caused by electric trace galvanic current.But in fact RCD, fuse or miniature circuit breaker MCB can not reduce the electrical fire danger being caused by the serial arc between energized conductor or electric arc in parallel.
In the time that series arc faults occurs, owing to not leaking over the ground, therefore RCD cannot detect this class fault.The fault impedance of main is serial arc has reduced load current, makes the dropout threshold value of electric current lower than MCB or fuse.In the situation that producing electric arc in parallel between phase line and neutral conductor, electric current is only limited to the impedance of device.The most serious situation is accidental electric arc, and traditional circuit breaker is not to design for this purpose.
[utility model content]
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of simple in structure, can effectively reduce the New Arc failure to trip device of the electrical fire danger being caused by the serial arc between energized conductor or electric arc in parallel.
In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:
A kind of New Arc failure to trip device, it is characterized in that: comprise the automatically controlled circuit breaker being arranged on transmission line mains side, on described transmission line mains side, be provided with the upper end voltage sensor that can monitor transmission line upper end magnitude of voltage, with the upper end current sensor that can monitor transmission line upper end current value, described upper end voltage sensor is connected with data sink respectively with upper end current sensor, in transmission line load-side, be provided with the lower end voltage sensor that can monitor transmission line lower end magnitude of voltage, with the lower end current sensor that can monitor transmission line lower end current value, described lower end voltage sensor is connected with data transmitter respectively with lower end current sensor, on described automatically controlled circuit breaker, being connected with can be by comparing on transmission line, thereby the voltage and current value of lower end judges whether to occur the intelligent logical controller of arc fault control control circuit breaker break-make, described data sink is connected with intelligent logical controller, be provided with load wiring case at the destination county of described transmission line.
A kind of New Arc failure to trip device as above, it is characterized in that described transmission line includes main line and is connected to the some branch roads on main line, in each branch road load-side, be provided with the lower end voltage sensor that can monitor branch road lower end magnitude of voltage, with the lower end current sensor that can monitor branch road lower end current value, described lower end voltage sensor is connected with data transmitter respectively with lower end current sensor.
A kind of New Arc failure to trip device as above, is characterized in that described data transmitter is blue-teeth data transmitter, and described data sink is blue-teeth data receiver.
A kind of New Arc failure to trip device as above, is characterized in that described data transmitter is wifi data transmitter, and described data sink is wifi data sink.
A kind of New Arc failure to trip device as above, is characterized in that described data transmitter is power carrier data transmitter, and described data sink is power carrier data sink.
A kind of New Arc failure to trip device as above, is characterized in that described data sink has the ability of identification data transmitter identity.
A kind of New Arc failure to trip device as above, it is characterized in that described automatically controlled circuit breaker, upper end voltage sensor, upper end current sensor and data sink integrated become starting point terminal box, as the starting point of protected transmission line.
A kind of New Arc failure to trip device as above, it is characterized in that described lower end voltage sensor, lower end current sensor data transmitter and load wiring case integrated become terminal terminal box, as the terminal of protected transmission line.
A kind of New Arc failure to trip device as above, is characterized in that described terminal terminal box and supply socket integrate.
A kind of New Arc failure to trip device as above, is characterized in that described terminal terminal box and circuit breaker or fuse integrate.
The beneficial effects of the utility model are:
The utility model intelligent logical controller can be by comparing voltage, the current value of transmission line upper and lower end, judge whether to occur arc fault, exceed set point if there is serial arc or arc fault time in parallel, just send control signal, operate automatically controlled circuit breaker and open circuit.Can effectively reduce the electrical fire danger being caused by the serial arc between energized conductor or electric arc in parallel.The utility model is simple in structure, easy for installation, safe and reliable.
[brief description of the drawings]
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of the utility model branch road.
[embodiment]
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
A kind of New Arc failure to trip device as illustrated in fig. 1 and 2, comprise the automatically controlled circuit breaker 1 being arranged on transmission line mains side, on described transmission line mains side, be provided with the upper end voltage sensor 2 that can monitor transmission line upper end magnitude of voltage, with the upper end current sensor 3 that can monitor transmission line upper end current value, described upper end voltage sensor 2 is connected with data sink 4 respectively with upper end current sensor 3, in transmission line load-side, be provided with the lower end voltage sensor 5 that can monitor transmission line lower end magnitude of voltage, with the lower end current sensor 6 that can monitor transmission line lower end current value, described lower end voltage sensor 5 is connected with data transmitter 7 respectively with lower end current sensor 6, on described automatically controlled circuit breaker 1, being connected with can be by comparing on transmission line, thereby the voltage and current value of lower end judges whether to occur the intelligent logical controller 8 of arc fault control control circuit breaker 1 break-make, described data sink 4 is connected with intelligent logical controller 8, be provided with load wiring case 11 at the destination county of described transmission line.
In the utility model, the logic of the voltage of intelligent logical controller comparison transmission line upper and lower end, current value is as follows:
If I upper end=I lower endand U upper end>U lower endthere is series arc faults;
If I upper end>I lower endand U upper end=U lower endthere is arc fault in parallel.
If have many branch roads, I lower endall branch current sums, U lower endit is the minimum value in all branch voltages.
Exceed set point if there is serial arc or arc fault time in parallel, just send control signal, operate automatically controlled circuit breaker and open circuit.Thereby can effectively reduce the electrical fire danger being caused by the serial arc between energized conductor or electric arc in parallel.
As shown in Figure 2, transmission line described in the utility model includes main line 9 and is connected to the some branch roads 10 on main line 10, in each branch road 10 load-side, be provided with the lower end voltage sensor 5 that can monitor branch road 10 lower end magnitudes of voltage, with the lower end current sensor 6 that can monitor branch road 10 lower end current values, described lower end voltage sensor 5 is connected with data transmitter 7 respectively with lower end current sensor 6.
Data transmitter 7 described in the utility model is blue-teeth data transmitter, wifi data transmitter or power carrier data transmitter, and described data sink 4 is blue-teeth data receiver, wifi data sink or power carrier data sink.
Data sink 4 described in the utility model has the ability of identification data transmitter 7 identity.
Automatically controlled circuit breaker 1, upper end voltage sensor 2, upper end current sensor 3 and data sink 4 described in the utility model integrated become starting point terminal box, as the starting point of protected transmission line.
The voltage sensor of lower end described in the utility model 5, lower end current sensor 6 data transmitters 7 and load wiring case 11 integrated become terminal terminal box, as the terminal of protected transmission line.
The terminal box of terminal described in the utility model can integrate with supply socket.
The terminal box of terminal described in the utility model can integrate with circuit breaker or fuse.
The terminal box of starting point described in the utility model, can be connected with multiple terminal terminal boxes, forms many shielded transmission lines.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (10)

1. a New Arc failure to trip device, it is characterized in that: comprise the automatically controlled circuit breaker (1) being arranged on transmission line mains side, on described transmission line mains side, be provided with the upper end voltage sensor (2) that can monitor transmission line upper end magnitude of voltage, with the upper end current sensor (3) that can monitor transmission line upper end current value, described upper end voltage sensor (2) is connected with data sink (4) respectively with upper end current sensor (3), in transmission line load-side, be provided with the lower end voltage sensor (5) that can monitor transmission line lower end magnitude of voltage, with the lower end current sensor (6) that can monitor transmission line lower end current value, described lower end voltage sensor (5) is connected with data transmitter (7) respectively with lower end current sensor (6), on described automatically controlled circuit breaker (1), being connected with can be by comparing on transmission line, thereby the voltage and current value of lower end judges whether to occur the intelligent logical controller (8) of arc fault control control circuit breaker (1) break-make, described data sink (4) is connected with intelligent logical controller (8), be provided with load wiring case (11) at the destination county of described transmission line.
2. a kind of New Arc failure to trip device according to claim 1, it is characterized in that described transmission line includes main line (9) and is connected to the some branch roads (10) on main line (9), in each branch road (10) load-side, be provided with the lower end voltage sensor (5) that can monitor branch road (10) lower end magnitude of voltage, with the lower end current sensor (6) that can monitor branch road (10) lower end current value, described lower end voltage sensor (5) is connected with data transmitter (7) respectively with lower end current sensor (6).
3. a kind of New Arc failure to trip device according to claim 1, is characterized in that described data transmitter (7) is blue-teeth data transmitter, and described data sink (4) is blue-teeth data receiver.
4. a kind of New Arc failure to trip device according to claim 1, is characterized in that described data transmitter (7) is wifi data transmitter, and described data sink (4) is wifi data sink.
5. a kind of New Arc failure to trip device according to claim 1, is characterized in that described data transmitter (7) is power carrier data transmitter, and described data sink (4) is power carrier data sink.
6. a kind of New Arc failure to trip device according to claim 1, is characterized in that described data sink (4) has the ability of identification data transmitter (7) identity.
7. a kind of New Arc failure to trip device according to claim 1; it is characterized in that described automatically controlled circuit breaker (1), upper end voltage sensor (2), upper end current sensor (3) and data sink (4) integrated become starting point terminal box, as the starting point of protected transmission line.
8. a kind of New Arc failure to trip device according to claim 1; it is characterized in that described lower end voltage sensor (5), lower end current sensor (6) data transmitter (7) and load wiring case (11) integrated become terminal terminal box, as the terminal of protected transmission line.
9. a kind of New Arc failure to trip device according to claim 8, is characterized in that described terminal terminal box and supply socket integrate.
10. a kind of New Arc failure to trip device according to claim 8, is characterized in that described terminal terminal box and circuit breaker or fuse integrate.
CN201420290299.4U 2014-05-31 2014-05-31 A kind of New Arc failure to trip device Expired - Fee Related CN203942269U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420290299.4U CN203942269U (en) 2014-05-31 2014-05-31 A kind of New Arc failure to trip device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420290299.4U CN203942269U (en) 2014-05-31 2014-05-31 A kind of New Arc failure to trip device

Publications (1)

Publication Number Publication Date
CN203942269U true CN203942269U (en) 2014-11-12

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Family Applications (1)

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CN (1) CN203942269U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107370123A (en) * 2016-05-13 2017-11-21 上海电科电器科技有限公司 Arc fault detection device
CN107370124A (en) * 2016-05-13 2017-11-21 上海电科电器科技有限公司 Method for detecting arc
CN108075728A (en) * 2016-11-15 2018-05-25 上海英孚特电子技术有限公司 A kind of photovoltaic system DC side arc fault type identification and protective device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107370123A (en) * 2016-05-13 2017-11-21 上海电科电器科技有限公司 Arc fault detection device
CN107370124A (en) * 2016-05-13 2017-11-21 上海电科电器科技有限公司 Method for detecting arc
CN107370123B (en) * 2016-05-13 2019-02-26 上海电科电器科技有限公司 Arc fault detection device
CN107370124B (en) * 2016-05-13 2019-05-03 上海电科电器科技有限公司 Method for detecting arc
CN108075728A (en) * 2016-11-15 2018-05-25 上海英孚特电子技术有限公司 A kind of photovoltaic system DC side arc fault type identification and protective device

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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: 20141112

Termination date: 20150531

EXPY Termination of patent right or utility model