CN103138226A - Automatic reclosing device with load detection function separated from breaker and control method thereof - Google Patents

Automatic reclosing device with load detection function separated from breaker and control method thereof Download PDF

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Publication number
CN103138226A
CN103138226A CN2011103985656A CN201110398565A CN103138226A CN 103138226 A CN103138226 A CN 103138226A CN 2011103985656 A CN2011103985656 A CN 2011103985656A CN 201110398565 A CN201110398565 A CN 201110398565A CN 103138226 A CN103138226 A CN 103138226A
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Prior art keywords
circuit breaker
push mechanism
motion
processing unit
stirring
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CN2011103985656A
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CN103138226B (en
Inventor
文耀锋
张朝福
胡斌
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Shanghai Hongqi Information Technology Co.,Ltd.
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SUZHOU JCRIVER ELECTRONICS TECHNOLOGY Co Ltd
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Publication of CN103138226A publication Critical patent/CN103138226A/en
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Abstract

The invention relates to an intelligent reclosing device with load detection function separated from a breaker, which is provided with a linkage device capable of operating toggle handles of the existing breaker to perform reclosing motion. The linkage device comprises a control system and a power part, wherein the control system comprises a microcomputer processing unit and a load leakage detection module, wherein the load leakage detection module is used for detecting the output terminal load circuit of the breaker, and the microcomputer processing unit is used for receiving signals detected by the load leakage detection module, and sends motion commands to a power part after judging whether the output terminal load circuit of the breaker is in a safe state; the power part includes a driving device and a pushing part, wherein the pushing part is mounted on the driving device, moves along the driving device and used for connecting on a toggle handle of an existing breaker. The pushing part can drive the toggle handle of the breaker to move after moving and achieve reclosing motion. The invention further provides a control method of the intelligent reclosing device with the load detection function. The reclosing motion is conducted under a safe circumstance detected by the load circuit, and is safe and convenient.

Description

Auto recloser and the control method of the bringing onto load measuring ability that separates with circuit breaker
[technical field]
The present invention relates to the power communication technical field, refer in particular to a kind of Intelligent recloser device and control method of the bringing onto load measuring ability that separates with circuit breaker.
[background technology]
The product that possesses in the market low-voltage circuit breaker reclosing function technology is many, mainly contains following a few class:
1. rated voltage is alternating current 220V/380V, nominal load current miniature circuit breaker and the frame-type switch below 120A, and its reclosing technology adopts the electric operating technology to realize.
2. the miniature circuit breaker below 120A for nominal load current, the reclosing technology has following a few class:
A) realize the reclosing function based on relay or A.C. contactor technology control circuit break-make, the use characteristic of its product is that series relay or large electric current A.C. contactor come the control circuit break-make on the load circuit of miniature circuit breaker output.
B) based on relay or the A.C. contactor technology in conjunction with miniature circuit breaker control circuit break-make principle, these series products characteristics are that reclosing and miniature circuit breaker are integrated.
At present in aforementioned 2 a) and b) these two kinds of technical products do not possess line load outage detection function after miniature circuit breaker.On the one hand, just to carry out feed motion will be very unsafe if circuit after miniature circuit breaker and load are not detected.On the other hand, the defective of reclosing and the integrated mode of miniature circuit breaker is: will cause the load circuit outage not worked in case reclosing device damages, thereby must change reclosing and miniature circuit breaker, and may also need the power department compounding practice, result makes not only can not reach and reduces the service engineer to the purpose of the workload of field service, has greatly increased maintenance load because the need replacing damages product on the contrary.
[summary of the invention]
Based on this, be necessary to provide a kind of Intelligent recloser device and control method of the bringing onto load measuring ability that uses safety, separates with circuit breaker easily, to be used in conjunction with existing ripe circuit breaker.
For this reason, propose a kind of Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker, can operate the linkage that handle is carried out feed motion of stirring of existing circuit breaker, wherein said linkage comprises:
Control system and power section; Wherein
Described control system comprises computer processing unit and load detection of electrical leakage module, described load detection of electrical leakage module is in order to detecting the output load circuit of circuit breaker, and judges by described computer processing unit whether the output load circuit of described circuit breaker is in a safe condition;
Described power section comprises drive unit and is arranged on drive unit and can be with the push mechanism of drive unit motion, described push mechanism promotes the described handle motion of stirring to complete feed motion in order to be connected to the stirring on handle of existing circuit breaker after described push mechanism motion.
Preferably, described push mechanism is the push rod that is strip.
Preferably, described drive unit is direct current machine or fluid pressure drive device.
Preferably, drive unit is direct current machine or fluid pressure drive device, described push mechanism comprise on the output shaft that is arranged on described direct current machine or fluid pressure drive device installation portion and from described installation portion stretch out in order to promote the push rod of stirring handle motion of described circuit breaker.
Preferably, also comprise push mechanism stroke monitoring part, described push mechanism stroke monitoring part comprises the microcontact sense node in order to the movement travel of locating push mechanism that is placed in push mechanism both sides.
In addition, also propose a kind of control method of Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker, use so that circuit breaker is carried out feed motion, it comprises control system and power section, and its control flow is as follows:
A is at circuit breaker under the state of separating brake, and control system detects the safe condition of the load circuit of circuit breaker output;
B, whether the load circuit of the circuit breaker output that detects of judgement is in a safe condition, if the state information that detects lower than predetermined secure threshold, control system is sent action command to power section;
C, the instruction of power section execution action is to promote stirring handle motion, to complete feed motion.
Preferably, described control system comprises computer processing unit and load detection of electrical leakage module, and described load detection of electrical leakage module is in order to the safe condition of the output load circuit that detects circuit breaker, and the state information that detects is sent to computer processing unit; Computer processing unit carries out logical operation after receiving described state information, and judges whether the output load circuit of described circuit breaker is in a safe condition; Described power section comprises receiving the drive unit of the action command that computer processing unit sends and is arranged on drive unit and can be with the push mechanism of drive unit motion, described push mechanism is in order to be connected to the stirring on handle of described circuit breaker when stirring of described circuit breaker is in open position on handle, the action command that described drive unit reception computer processing unit sends also drives described push mechanism motion, described push mechanism promotes the described handle motion of stirring, to complete feed motion.
Preferably, described control system comprises computer processing unit and load detection of electrical leakage module, and described load detection of electrical leakage module is in order to the safe condition of the output load circuit that detects circuit breaker, and the state information that detects is sent to computer processing unit; Computer processing unit carries out logical operation after receiving described state information, and judges whether the output load circuit of described circuit breaker is in a safe condition; Described power section comprises receiving the drive unit of the action command that computer processing unit sends and is arranged on drive unit and can be with the push mechanism of drive unit motion, described push mechanism is in order to be connected to the stirring on handle of described circuit breaker when stirring of described circuit breaker is in open position on handle, the action command that described drive unit reception computer processing unit sends also drives described push mechanism motion, described push mechanism promotes the described handle motion of stirring, to complete feed motion.
Preferably, described drive unit is direct current machine, described push mechanism comprise on the output shaft that is arranged on described direct current machine installation portion and from described installation portion stretch out in order to promote the push rod of stirring handle motion of described circuit breaker.
Preferably, closing frequencies and each time interval of closing a floodgate can preset.
Preferably, be provided with to detect the push mechanism stroke monitoring part of described push mechanism stroke; Described push mechanism stroke monitoring part comprise be placed in push mechanism both sides in order to locate the movement travel microcontact sense node of push mechanism; Described push mechanism stroke monitoring part system is positioned at motor and putter component junction, monitors velocity of rotation and the angle of motor, and real-time report is in computer processing unit, and then makes described power section get back to its initial position after described circuit breaker is completed feed motion.
The Intelligent recloser device of the above-mentioned bringing onto load measuring ability that separates with circuit breaker and the beneficial effect of control method are: the feed motion of stirring handle of circuit breaker is in the situation that circuit breaker output load circuit detects safe carrying out, therefore the feed motion safe ready.
[description of drawings]
Fig. 1 is the theory diagram of present embodiment;
Fig. 2 is the schematic diagram of the Intelligent recloser device of bringing onto load measuring ability;
Fig. 3 is the schematic perspective view of push mechanism.
[embodiment]
Below by instantiation and by reference to the accompanying drawings Intelligent recloser device and the control method of the bringing onto load measuring ability of present embodiment is further described.
The schematic diagram of the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker shown in 1 by reference to the accompanying drawings please, have make circuit breaker stir handle motion to the linkage of closing position, described linkage comprises control system and power section.
Control system comprises computer processing unit and load detection of electrical leakage module, and wherein load detection of electrical leakage module is in order to the safe condition of the output load circuit that detects circuit breaker, and the state information that detects is sent to computer processing unit; Computer processing unit carries out logical operation after receiving described state information, and sends action command to power section after the output load circuit of the described circuit breaker of judgement is in a safe condition; Described power section comprises receiving the drive unit of the action command that computer processing unit sends and is arranged on drive unit and can be with the push mechanism 3 of drive unit motion, described push mechanism 3 is in order to be connected to the stirring on handle of described circuit breaker when stirring of described circuit breaker is in open position on handle, the action command that described drive unit reception computer processing unit sends also drives described push mechanism motion, described push mechanism promotes the described handle motion of stirring, and then moves to closing position.
In concrete execution mode, safe condition means that voltage is lower than 48v or 36v; Can be also other threshold voltages of appraising and deciding in advance or current threshold, impedance threshold etc.
Please in conjunction with reference accompanying drawing 2 and accompanying drawing 3, in concrete execution mode, drive unit is direct current machine or fluid pressure drive device, push mechanism 3 comprise on the output shaft that is arranged on described direct current machine or fluid pressure drive device installation portion 30 and from described installation portion stretch out in order to promote the push rod of stirring handle motion 32 of described circuit breaker, wherein push rod 32 is to be strip, push rod 32 is arranged to the plane with a side of stirring the handle butt of circuit breaker, also can be arc.Circuit breaker be in gate-dividing state the time, push rod 32 is fastened close being connected to and is stirred on handle; The detection of electrical leakage of load simultaneously module detects the safe condition of the output load circuit of circuit breaker automatically according to predefined program, and sends the state information that detects to computer processing unit; Computer processing unit carries out logical operation after receiving described safety state information, and the output load circuit that judges circuit breaker safety whether, if the output load circuit of circuit breaker is in a safe condition, computer processing unit sends action command to direct current machine, direct current machine rotates after receiving action command, and then driving push rod 32 motions, push rod 32 promotes the handle motion of stirring of circuit breaker, and then moves to closing position.
In concrete execution mode, the Intelligent recloser device of present embodiment also is provided with to detect the push mechanism stroke monitoring part (being also the push rod navigation system) of described push mechanism stroke; Described push mechanism stroke monitoring part comprise be placed in two places before and after push mechanism in order to locate the movement travel microcontact sense node 1 (contact sensitive switch) of push mechanism; Push mechanism stroke monitoring part system is positioned at motor and putter component junction, velocity of rotation and the angle of monitoring motor, real-time report is in computer processing unit, computer processing unit carries out logical operation after receiving push mechanism stroke monitoring information partly, judging whether push mechanism moves puts in place, thereby after completing feed motion, handle make described putter component get back to its initial position described stirring, in order to carry out Intelligent reclosing operation next time.Closing frequencies and each time interval of closing a floodgate can preset, and weave program, are controlled by computer processing unit and complete.
In concrete execution mode, the detection of electrical leakage unary system is connected in parallel on the output load circuit of circuit breaker, and the real-time status for detection of outlet line has determined whether aftercurrent, under-voltage or short circuit, load impedance situation.
Present embodiment is owing to being provided with push rod 32, therefore can effectively promote the handle of stirring of circuit breaker moves, simple in structure, and the feed motion of stirring handle of circuit breaker is in the situation that the output load circuit of circuit breaker detects safe carrying out, so the automatic closing action is safe and reliable.
In concrete execution mode, it is to be incorporated in a housing 1 that control system and power part grade, and is provided with the support that dc motor is installed in housing 1.Intelligent recloser device and the circuit breaker of present embodiment are used in conjunction with, and the not specific restriction of the model of circuit breaker is as long as guarantee that the push rod 32 of Intelligent recloser device can promote stirring handle motion and then closing a floodgate smoothly of circuit breaker.
The above embodiment has only expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (10)

1. the Intelligent recloser device of a bringing onto load measuring ability that separates with circuit breaker, have the linkage that handle is carried out feed motion of stirring that can operate existing circuit breaker, it is characterized in that, described linkage comprises:
Control system and power section; Wherein
Described control system comprises computer processing unit and load detection of electrical leakage module, described load detection of electrical leakage module is in order to detecting the output load circuit of circuit breaker, and judges by described computer processing unit whether the output load circuit of described circuit breaker is in a safe condition;
Described power section comprises drive unit and is arranged on drive unit and can be with the push mechanism of drive unit motion, described push mechanism promotes the described handle motion of stirring to complete feed motion in order to be connected to the stirring on handle of existing circuit breaker after described push mechanism motion.
2. the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 1 is characterized in that: described push mechanism system is the push rod of strip.
3. the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 1, it is characterized in that: described drive unit is direct current machine or fluid pressure drive device.
4. the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 1, it is characterized in that: drive unit is direct current machine or fluid pressure drive device, described push mechanism comprise on the output shaft that is arranged on described direct current machine or fluid pressure drive device installation portion and from described installation portion stretch out in order to promote the push rod of stirring handle motion of described circuit breaker.
5. the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 1, it is characterized in that: also comprise push mechanism stroke monitoring part, described push mechanism stroke monitoring part comprises the microcontact sense node in order to the movement travel of locating push mechanism that is placed in push mechanism both sides.
6. the control method of the Intelligent recloser device of a bringing onto load measuring ability, with so that circuit breaker is carried out feed motion, is characterized in that, comprise control system and power section, its control flow is as follows:
A is at circuit breaker under the state of separating brake, and control system detects the safe condition of the output load circuit of circuit breaker;
B, whether the output load circuit of the circuit breaker that detects of judgement is in a safe condition, if the state information that detects lower than predetermined secure threshold, control system is sent action command to power section;
C, the instruction of power section execution action is to promote stirring handle motion, to complete feed motion.
7. the control method of the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 6, it is characterized in that: described control system comprises computer processing unit and load detection of electrical leakage module, described load detection of electrical leakage module is in order to the safe condition of the output load circuit that detects circuit breaker, and the state information that detects is sent to computer processing unit; Computer processing unit carries out logical operation after receiving described state information, and judges whether the output load circuit of described circuit breaker is in a safe condition; Described power section comprises receiving the drive unit of the action command that computer processing unit sends and is arranged on drive unit and can be with the push mechanism of drive unit motion, described push mechanism is in order to be connected to the stirring on handle of described circuit breaker when stirring of described circuit breaker is in open position on handle, the action command that described drive unit reception computer processing unit sends also drives described push mechanism motion, described push mechanism promotes the described handle motion of stirring, to complete feed motion.
8. the control method of the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 7, it is characterized in that: described drive unit is direct current machine, described push mechanism comprise on the output shaft that is arranged on described direct current machine installation portion and from described installation portion stretch out in order to promote the push rod of stirring handle motion of described circuit breaker.
9. the control method of the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 6 is characterized in that: closing frequencies and each time interval of closing a floodgate can preset.
10. the control method of the Intelligent recloser device of the bringing onto load measuring ability that separates with circuit breaker according to claim 7, is characterized in that: the push mechanism stroke monitoring part that is provided with to detect described push mechanism stroke; Described push mechanism stroke monitoring part comprise be placed in push mechanism both sides in order to locate the movement travel microcontact sense node of push mechanism; Described push mechanism stroke monitoring part system is positioned at motor and putter component junction, monitors velocity of rotation and the angle of motor, and real-time report is in computer processing unit, and then makes described power section get back to its initial position after described circuit breaker is completed feed motion.
CN201110398565.6A 2011-12-05 2011-12-05 The auto recloser of the bringing onto load measuring ability be separated with circuit breaker and control method Active CN103138226B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109391033A (en) * 2018-11-05 2019-02-26 福州博峰智能电器有限公司 A kind of intelligent power distribution management system
CN117478025A (en) * 2023-12-28 2024-01-30 江苏慕林智造科技股份有限公司 Safety stroke control method and control system for on-load current value of push rod motor
CN118002511A (en) * 2024-04-10 2024-05-10 浙江正泰零部件有限公司 Detection system and detection method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558303A1 (en) * 1984-01-18 1985-07-19 Toulon Daniel Stand-alone device for re-engaging a domestic electric circuit breaker.
CN1373490A (en) * 2002-04-09 2002-10-09 丁文军 Integrated intelligent multifunctional leakage protector
CN2746621Y (en) * 2004-09-03 2005-12-14 任增辉 Intelligent earth leakage protective device
CN201359981Y (en) * 2009-03-18 2009-12-09 江苏辉能电气有限公司 Automatic recloser residual current circuit breaker with function of automatically adjusting leakage parameters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558303A1 (en) * 1984-01-18 1985-07-19 Toulon Daniel Stand-alone device for re-engaging a domestic electric circuit breaker.
CN1373490A (en) * 2002-04-09 2002-10-09 丁文军 Integrated intelligent multifunctional leakage protector
CN2746621Y (en) * 2004-09-03 2005-12-14 任增辉 Intelligent earth leakage protective device
CN201359981Y (en) * 2009-03-18 2009-12-09 江苏辉能电气有限公司 Automatic recloser residual current circuit breaker with function of automatically adjusting leakage parameters

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109391033A (en) * 2018-11-05 2019-02-26 福州博峰智能电器有限公司 A kind of intelligent power distribution management system
CN117478025A (en) * 2023-12-28 2024-01-30 江苏慕林智造科技股份有限公司 Safety stroke control method and control system for on-load current value of push rod motor
CN117478025B (en) * 2023-12-28 2024-03-08 江苏慕林智造科技股份有限公司 Safety stroke control method and control system for on-load current value of push rod motor
CN118002511A (en) * 2024-04-10 2024-05-10 浙江正泰零部件有限公司 Detection system and detection method

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Effective date of registration: 20210812

Address after: Room 219, zone J, floor 2, No. 158, Shuanglian Road, Qingpu District, Shanghai 201700

Patentee after: Shanghai Hongqi Information Technology Co.,Ltd.

Address before: 215000 room 205, building B, group C1, bio nano Park, Suzhou Industrial Park, Jiangsu Province

Patentee before: Suzhou JCRiver Electronics Technology Co.,Ltd.