CN114325375A - Multifunctional detection equipment and detection method for pole-mounted circuit breaker - Google Patents
Multifunctional detection equipment and detection method for pole-mounted circuit breaker Download PDFInfo
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- CN114325375A CN114325375A CN202111665005.2A CN202111665005A CN114325375A CN 114325375 A CN114325375 A CN 114325375A CN 202111665005 A CN202111665005 A CN 202111665005A CN 114325375 A CN114325375 A CN 114325375A
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Abstract
The invention relates to the technical field of pole-mounted breakers, in particular to multifunctional detection equipment and a detection method for a pole-mounted breaker, which comprise a supporting frame body and a detection platform, wherein the detection platform is arranged on the outer surface of the supporting frame body and is used for placing a pole-mounted breaker to be detected; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body; the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay. This scheme is through the action logic and the signal acquisition principle of post-mounted circuit breaker, can be quick carry out the exactness to circuit breaker whole control circuit and detect, than current artifical detection mode, has very big efficiency promotion.
Description
Technical Field
The invention relates to the technical field of pole-mounted breakers, in particular to multifunctional detection equipment and a detection method for a pole-mounted breaker.
Background
The pole-mounted circuit breaker is a switching device capable of closing, bearing and opening current under normal loop conditions, and closing, bearing and opening current under abnormal loop conditions (including short-circuit conditions) within a specified time, and due to the structural particularity of the pole-mounted circuit breaker, the correctness of a secondary control loop is particularly important, and the detection method in the current stage basically mainly adopts manual detection, but the reliability of the manual detection is still not high, so that an equipment or a method capable of detecting the correctness of a pole-mounted switching circuit is urgently needed to complete the correctness of the secondary loop and the resistance value of a primary loop of the pole-mounted circuit breaker.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a multi-functional check out test set and detection method for circuit breaker on post, can judge the secondary circuit exactness and obtain the size of primary circuit resistance value of circuit breaker on the post through equipment, need not artifical the detection, improve and detect the reliability.
In order to solve the technical problems, the invention adopts a technical scheme that:
a multifunctional detection device for a pole-mounted breaker comprises a supporting frame body and a detection table, wherein the detection table is arranged on the outer surface of the supporting frame body and used for placing a pole-mounted breaker to be detected; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body;
the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay.
Furthermore, the high-current generator is provided with a first electric connection terminal, the first electric connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker, the loop resistance tester is provided with a second electric connection terminal, the second electric connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker, the controller is provided with an aerial plug terminal, and the aerial plug terminal is electrically connected with a secondary aerial plug port of the on-pole circuit breaker.
The device further comprises an upper computer arranged in the supporting frame, the upper computer is electrically connected with the controller, and the upper computer is in communication connection with a receiving end of the peripheral.
Furthermore, a human-computer interaction screen is further arranged on the outer surface of the supporting frame body and electrically connected with the controller.
Furthermore, an operating button is further arranged on the outer surface of the supporting frame body and electrically connected with the controller.
Furthermore, the supporting frame body is made of aluminum alloy.
Further, the preset output frequency is 50Hz, the preset output current is 200A, and the delay time of the delay relay is set to be 0.3 s.
The invention adopts another technical scheme that:
a multifunctional detection method for an on-column circuit breaker is applied to the multifunctional detection equipment for the on-column circuit breaker, and comprises the following steps:
s1, placing the pole circuit breaker to be detected on a detection table, and electrically connecting a large current generator with the pole circuit breaker;
s2, controlling the high-current generator to start working by the controller, and outputting preset output current to the pole circuit breaker according to preset output frequency; meanwhile, the controller controls the delay relay to start timing;
s3, when the preset time length of the time delay relay is reached, the time delay relay is closed, and the controller collects parameter information corresponding to the deflection condition and the position signal switching state of the circuit breaker on the column;
s4, after the acquisition, the time delay relay is disconnected and the large current generator stops working;
and S5, controlling the loop resistance tester to start working by the controller, carrying out primary loop resistance measurement operation on the pole-mounted circuit breaker, and acquiring corresponding measurement data.
Further, step S3 further includes:
the controller simultaneously collects current signals and voltage signals of the on-pole circuit breaker.
Further, step S5 is followed by:
and S6, the controller uploads all the collected data to the upper computer, and the upper computer forwards the data to the receiving end of the peripheral.
The invention has the beneficial effects that:
the invention provides multifunctional detection equipment and a detection method for a pole-mounted breaker, which comprise a supporting frame body and a detection platform, wherein the detection platform is arranged on the outer surface of the supporting frame body and is used for placing the pole-mounted breaker to be detected; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body; the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay. According to the scheme, the correctness of the whole control circuit of the circuit breaker can be rapidly detected through the action logic and signal acquisition principle of the pole-mounted circuit breaker, and compared with the existing manual detection mode, the efficiency is greatly improved; the primary loop resistance and the secondary loop correctness are detected and combined together, and a detection value is uploaded to an upper computer through data acquisition, so that the whole process is automatically detected and recorded.
Drawings
FIG. 1 is a front view of a multi-function test apparatus for a pole break of the present invention;
FIG. 2 is a side view of a multi-function test apparatus for a pole break of the present invention;
FIG. 3 is a top view of the multifunctional test device for a pole break of the present invention;
description of reference numerals:
1. a support frame body; 2. a cable wire; 3. a controller; 4. a large current generator; 5. a loop resistance tester; 6. a human-computer interaction screen; 7. an operation button; 8. a pole top circuit breaker.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, the multifunctional testing apparatus for a pole break apparatus provided by the present invention includes a supporting frame and a testing platform disposed on an outer surface of the supporting frame and used for placing a pole break apparatus to be tested; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body;
the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay.
From the above description, the beneficial effects of the present invention are:
the invention provides multifunctional detection equipment for a pole-mounted breaker, which comprises a supporting frame body and a detection platform, wherein the detection platform is arranged on the outer surface of the supporting frame body and is used for placing a pole-mounted breaker to be detected; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body; the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay. According to the scheme, the correctness of the whole control circuit of the circuit breaker can be rapidly detected through the action logic and signal acquisition principle of the pole-mounted circuit breaker, and compared with the existing manual detection mode, the efficiency is greatly improved; the primary loop resistance and the secondary loop correctness are detected and combined together, and a detection value is uploaded to an upper computer through data acquisition, so that the whole process is automatically detected and recorded.
Furthermore, the high-current generator is provided with a first electric connection terminal, the first electric connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker, the loop resistance tester is provided with a second electric connection terminal, the second electric connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker, the controller is provided with an aerial plug terminal, and the aerial plug terminal is electrically connected with a secondary aerial plug port of the on-pole circuit breaker.
As can be seen from the above description, the electrical connection between the large current generator and the pole top circuit breaker is realized by the above connection mode.
The device further comprises an upper computer arranged in the supporting frame, the upper computer is electrically connected with the controller, and the upper computer is in communication connection with a receiving end of the peripheral.
According to the description, the functions of remote uploading of data, remote query, remote operation and the like are realized by arranging the upper computer.
Furthermore, a human-computer interaction screen is further arranged on the outer surface of the supporting frame body and electrically connected with the controller.
As can be seen from the above description, the operator can visually see the relevant test data through the human-computer interaction screen.
Furthermore, an operating button is further arranged on the outer surface of the supporting frame body and electrically connected with the controller.
As can be seen from the above description, the operator can directly perform the relevant operations through the operation buttons.
Furthermore, the supporting frame body is made of aluminum alloy.
As can be seen from the above description, the supporting strength can be ensured by using the aluminum alloy material.
Further, the preset output frequency is 50Hz, the preset output current is 200A, and the delay time of the delay relay is set to be 0.3 s.
As can be seen from the above description, the detection of the pole top breaker is realized through the above parameter setting.
The invention also provides a multifunctional detection method for the pole-mounted breaker, which is applied to the multifunctional detection equipment for the pole-mounted breaker and comprises the following steps:
s1, placing the pole circuit breaker to be detected on a detection table, and electrically connecting a large current generator with the pole circuit breaker;
s2, controlling the high-current generator to start working by the controller, and outputting preset output current to the pole circuit breaker according to preset output frequency; meanwhile, the controller controls the delay relay to start timing;
s3, when the preset time length of the time delay relay is reached, the time delay relay is closed, and the controller collects parameter information corresponding to the deflection condition and the position signal switching state of the circuit breaker on the column;
s4, after the acquisition, the time delay relay is disconnected and the large current generator stops working;
and S5, controlling the loop resistance tester to start working by the controller, carrying out primary loop resistance measurement operation on the pole-mounted circuit breaker, and acquiring corresponding measurement data.
From the above description, the beneficial effects of the present invention are:
according to the multifunctional detection method for the pole-mounted circuit breaker, provided by the invention, the correctness of the whole control circuit of the circuit breaker can be rapidly detected through the action logic and the signal acquisition principle of the pole-mounted circuit breaker, and the efficiency is greatly improved compared with the conventional manual detection mode; the primary loop resistance and the secondary loop correctness are detected and combined together, and a detection value is uploaded to an upper computer through data acquisition, so that the whole process is automatically detected and recorded.
Further, step S3 further includes:
the controller simultaneously collects current signals and voltage signals of the on-pole circuit breaker.
As can be seen from the above description, by collecting the current signal and the voltage signal of the pole top breaker, it can be determined whether there is a problem in the current and voltage circuits.
Further, step S5 is followed by:
and S6, the controller uploads all the collected data to the upper computer, and the upper computer forwards the data to the receiving end of the peripheral.
From the above description, the functions of remote data uploading, remote data query, remote operation and the like are realized by setting the upper computer.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is:
the invention provides multifunctional detection equipment for a pole-mounted breaker, which comprises a supporting frame body 1 and a detection platform, wherein the detection platform is arranged on the outer surface of the supporting frame body and is used for placing a pole-mounted breaker 8 to be detected; in this embodiment, to ensure the supporting strength, the supporting frame is made of an aluminum alloy.
A controller 3, a large current generator 4 and a loop resistance tester 5 which are respectively and electrically connected with the controller are arranged in the supporting frame body; the controller, the large current generator and the loop resistance tester all adopt existing equipment.
The large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; wherein, the concrete connection mode is as follows:
the high-current generator is provided with a first power connection terminal, the first power connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker through a cable 2, the loop resistance tester is provided with a second power connection terminal, the second power connection terminal is electrically connected with the primary side terminal of the on-pole circuit breaker through the cable 2, and the high-current generator and the loop resistance tester are switched in a loop through a contactor.
The high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; wherein the preset output frequency is 50Hz, and the preset output current is 200A;
the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay. The delay time that delay relay was set up is 0.3s, the controller has electrical connection with the circuit breaker on the post, and concrete connected mode is: the controller is provided with an aerial plug terminal, and the aerial plug terminal is electrically connected with a secondary aerial plug port of the pole-mounted circuit breaker and used for controlling the action of the pole-mounted circuit breaker.
On the basis of the detection equipment, the device further comprises an upper computer arranged in the supporting frame, the upper computer is electrically connected with the controller, and the upper computer is in communication connection with a receiving end of a peripheral. By arranging the upper computer, the functions of remote uploading, remote query, remote operation and the like of data are realized. And a human-computer interaction screen 6 is also arranged on the outer surface of the supporting frame body and is electrically connected with the controller. Through the man-machine interaction screen, the operator can directly see the relevant test data. And the outer surface of the supporting frame body is also provided with an operating button 7, and the operating button is electrically connected with the controller. The operator can directly execute the relevant operation through the operation button.
Referring to fig. 1 to fig. 3, a second embodiment of the present invention is:
the invention provides a multifunctional detection method for an on-column circuit breaker, which is applied to the multifunctional detection equipment for the on-column circuit breaker and comprises the following steps:
s1, placing the pole circuit breaker to be detected on a detection table, and electrically connecting a large current generator with the pole circuit breaker; the method specifically comprises the following steps: the high-current generator is provided with a first electric connection terminal, the first electric connection terminal is electrically connected with a primary side terminal of the on-pole circuit breaker through a cable, the loop resistance tester is provided with a second electric connection terminal, and the second electric connection terminal is electrically connected with the primary side terminal of the on-pole circuit breaker through the cable;
s2, clicking a start button of the equipment, controlling the high-current generator to start working by the controller, and outputting preset output current to the pole circuit breaker according to preset output frequency; namely, a primary current of 50Hz and 200A is applied to the pole-mounted circuit breaker;
meanwhile, the controller controls the delay relay to start timing; at this time, since the pole top breaker has set the overload trip to 200A and the reclosing function, the pole top breaker will generate one-time opening when the current of 200A is introduced to the primary side.
S3, when the preset time length of the time delay relay is reached, the time delay relay is closed, and the controller collects parameter information corresponding to the deflection condition and the position signal switching state of the circuit breaker on the column; step S3 further includes:
the controller simultaneously collects current signals and voltage signals of the on-pole circuit breaker.
The method specifically comprises the following steps: executing one switching-on and switching-off operation after 0.3s, judging whether the on-column circuit breaker has executed switching-on and switching-off operation or not and whether the position signal has been shifted or not by monitoring the shifting condition and the position signal switching of the on-column circuit breaker and recording the shifting condition and the position signal switching in an upper computer, judging the correctness of the switching-on and switching-off of the on-column circuit breaker and the position signal loop through the information by an operator, and simultaneously acquiring current and voltage signals from the inside of the on-column switch by a controller so as to judge whether the current and voltage loops have problems or not, and uploading data to the upper computer after the detection is finished;
s4, after the acquisition, the time delay relay is disconnected and the large current generator stops working;
and S5, controlling the loop resistance tester to start working by the controller, carrying out primary loop resistance measurement operation on the pole-mounted circuit breaker, and acquiring corresponding measurement data.
The method specifically comprises the following steps: after the loop correctness test is finished, the loop resistance test equipment is powered on, loop resistance measurement is carried out on the pole-mounted circuit breaker for the first time, data are uploaded to the upper computer, relevant information is stored according to the factory number of the pole-mounted circuit breaker, the test is finished, and the next time of connection of the terminal and the equipment is taken out to finish the test.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The multifunctional detection equipment for the pole-mounted circuit breaker is characterized by comprising a supporting frame body and a detection table, wherein the detection table is arranged on the outer surface of the supporting frame body and is used for placing the pole-mounted circuit breaker to be detected; a controller, a large current generator and a loop resistance tester which are respectively and electrically connected with the controller are arranged in the supporting frame body;
the large current generator and the loop resistance tester are respectively electrically connected with the on-column circuit breaker; the high-current generator is configured to output a preset output current to the pole-mounted circuit breaker according to a preset output frequency; the controller is provided with a time delay relay and is electrically connected with the pole-mounted circuit breaker through the time delay relay.
2. The multifunctional testing device for the pole break of claim 1, wherein the high current generator is provided with a first electrical terminal electrically connected to a primary side terminal of the pole break, the loop resistance tester is provided with a second electrical terminal electrically connected to a primary side terminal of the pole break, and the controller is provided with an aerial terminal electrically connected to a secondary aerial socket of the pole break.
3. The multifunctional detection equipment for the pole break according to claim 1, further comprising an upper computer disposed in the support frame, wherein the upper computer is electrically connected with the controller, and the upper computer is in communication connection with a receiving end of an external device.
4. The multifunctional detection device for the pole break according to claim 1 or 3, wherein a human-computer interaction screen is further disposed on an outer surface of the supporting frame, and the human-computer interaction screen is electrically connected with the controller.
5. The multifunctional testing device for the pole break of claim 4, wherein the outer surface of the supporting frame is further provided with an operation button, and the operation button is electrically connected with the controller.
6. The multifunctional testing equipment for the pole break of claim 1, wherein the supporting frame is made of aluminum alloy.
7. The multifunctional detecting device for a pole break of claim 1, wherein the preset output frequency is 50Hz, the preset output current is 200A, and the delay relay is set to have a delay time of 0.3 s.
8. A multifunctional testing method for a pole break, which is applied to the multifunctional testing apparatus for a pole break of any one of claims 1 to 7, comprising the steps of:
s1, placing the pole circuit breaker to be detected on a detection table, and electrically connecting a large current generator with the pole circuit breaker;
s2, controlling the high-current generator to start working by the controller, and outputting preset output current to the pole circuit breaker according to preset output frequency; meanwhile, the controller controls the delay relay to start timing;
s3, when the preset time length of the time delay relay is reached, the time delay relay is closed, and the controller collects parameter information corresponding to the deflection condition and the position signal switching state of the circuit breaker on the column;
s4, after the acquisition, the time delay relay is disconnected and the large current generator stops working;
and S5, controlling the loop resistance tester to start working by the controller, carrying out primary loop resistance measurement operation on the pole-mounted circuit breaker, and acquiring corresponding measurement data.
9. The multifunctional testing method for the pole break of claim 8, wherein the step S3 further comprises:
the controller simultaneously collects current signals and voltage signals of the on-pole circuit breaker.
10. The multifunctional testing method for the pole break of claim 8, further comprising after the step S5:
and S6, the controller uploads all the collected data to the upper computer, and the upper computer forwards the data to the receiving end of the peripheral.
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EP2662697A1 (en) * | 2012-05-10 | 2013-11-13 | Omicron electronics GmbH | Measuring device for testing an electrical circuit breaker |
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CN206773133U (en) * | 2017-04-27 | 2017-12-19 | 南宁市高照电器有限责任公司 | Electric switch equipment combined test stand |
CN207037027U (en) * | 2017-03-27 | 2018-02-23 | 西安中洲电力设备有限公司 | High voltage circuit breaker closing resistance multifunctional integrated tester |
CN113406491A (en) * | 2021-07-30 | 2021-09-17 | 杭州电力设备制造有限公司 | Breaker opening and closing testing device |
CN113671364A (en) * | 2021-08-17 | 2021-11-19 | 科大智能电气技术有限公司 | Automatic test system and method for complete set of action time of circuit breaker |
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2021
- 2021-12-31 CN CN202111665005.2A patent/CN114325375A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2662697A1 (en) * | 2012-05-10 | 2013-11-13 | Omicron electronics GmbH | Measuring device for testing an electrical circuit breaker |
CN104635154A (en) * | 2015-03-04 | 2015-05-20 | 国家电网公司 | Testing device of power distribution terminal and automatic system master station and testing method thereof |
CN105301362A (en) * | 2015-11-02 | 2016-02-03 | 清华大学 | Portable large-current dynamic loop resistance detection device |
CN207037027U (en) * | 2017-03-27 | 2018-02-23 | 西安中洲电力设备有限公司 | High voltage circuit breaker closing resistance multifunctional integrated tester |
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CN113406491A (en) * | 2021-07-30 | 2021-09-17 | 杭州电力设备制造有限公司 | Breaker opening and closing testing device |
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