CN111653444A - Quick mechanical switch equivalent load test method and test platform - Google Patents
Quick mechanical switch equivalent load test method and test platform Download PDFInfo
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- CN111653444A CN111653444A CN202010461165.4A CN202010461165A CN111653444A CN 111653444 A CN111653444 A CN 111653444A CN 202010461165 A CN202010461165 A CN 202010461165A CN 111653444 A CN111653444 A CN 111653444A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The application provides a quick mechanical switch equivalent load test method and a test platform, and belongs to the field of quick circuit breaker performance detection. The equivalent load test platform of the rapid mechanical switch is suitable for simulating and testing the rapid mechanical switch with the opening and closing speed of more than or equal to 5m/s, and comprises an equivalent simulation load component, a magnetic conductivity test component, a controller component, a motion characteristic measurement component, a laser probe and a high-speed mechanism; the performance parameters of the rapid mechanical switch are simulated and tested through the test platform, the rapid mechanical switch can be subjected to test testing, performance analysis, mechanical characteristic accurate measurement analysis and mechanical service life reliability assessment of various conventional rapid mechanical switches can be carried out, and reliable parameters are provided for the service life of the rapid mechanical switch.
Description
Technical Field
The invention belongs to the field of performance detection of a quick circuit breaker, and particularly relates to a test platform and a test method for carrying out an equivalent load test on various performances of a quick mechanical switch.
Background
With the wide popularization and application of new energy sources such as wind energy, photovoltaic energy and the like, a direct current power grid has better performance than alternating current in the aspects of transmission capacity, controllability, power supply quality improvement and the like, the electric energy quality can be effectively improved, the use of a power electronic converter is reduced, the electric energy loss and the operation cost are reduced, the contradiction between a large power grid and a distributed power supply is coordinated, and the value and the benefit of distributed energy sources are fully exerted.
The direct current circuit breaker is the key equipment of direct current system, and current direct current circuit breaker mainly divides three types of mechanical type, solid-state formula and hybrid, and quick mechanical switch is direct current circuit breaker's key part, need the separating brake to can bear the opening distance of high amplitude transient recovery voltage within 2 ~ 3ms, because present quick mechanical switch divide-shut brake speed is fast, high-speed impact load is big, leads to direct current circuit breaker's full life cycle short, overall stability poor.
The quick mechanical switch has high-speed impact load in the action process, compared with the conventional switch equipment, the influence on the mechanical reliability and the mechanical service life is larger, the stability of a high-speed mechanism is the most critical factor influencing the reliability of the quick mechanical switch, and as different actual quick mechanical switch products respectively have unique quick mechanism load counter-force, the edge value of a mechanical stability test result cannot be determined, and various mechanical properties of different quick mechanisms cannot be comprehensively mastered. Meanwhile, the mechanical life test of the switch belongs to a destructive test, and if an actual arc extinguish chamber body is adopted, the cost is higher. At present, the research on various mechanical properties and reliability of the mechanical quick switch is blank.
Disclosure of Invention
In view of the above, the present invention provides a method and a platform for testing an equivalent load of a fast mechanical switch, so as to solve the problems in the prior art that a simulation load for the fast mechanical switch is lacked, the testing cost for testing the mechanical stability and the mechanical life of the fast mechanical switch is high, and even the testing data is insufficient.
In a first aspect, the present application provides an equivalent load test method for a fast mechanical switch, comprising:
acquiring a high-speed mechanism, an equivalent simulation load assembly, a magnetic conductivity testing assembly, a controller assembly, a motion characteristic measuring assembly and a laser probe;
connecting the equivalent simulation load assembly with the high-speed mechanism, and electrically connecting the magnetic conductivity testing assembly and the controller assembly to the high-speed mechanism respectively;
electrically connecting the laser probe with the motion characteristic measuring component, and correspondingly arranging the laser probe and the high-speed mechanism;
the controller component is used for controlling the opening and closing actions of the high-speed mechanism, and the equivalent simulation load component is used for simulating the load counter force of the high-speed mechanism in quick action;
the laser probe is used for emitting laser to irradiate the moving part of the high-speed mechanism which acts rapidly, and then the moving characteristic measuring component outputs the moving characteristic measuring component and the mechanical service life parameter of the high-speed mechanism through the diffuse reflection of light;
and detecting the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism by using the magnetic conductivity assembly.
Preferably, the high-speed mechanism adopts a repulsion coil copper plate pushing structure and a repulsion coil structure for comparison test.
In a second aspect, the application provides an equivalent load test platform of a rapid mechanical switch, which is suitable for simulating and testing the rapid mechanical switch with the opening and closing speed of more than or equal to 5m/s, and comprises an equivalent simulation load component, a magnetic conductivity test component, a controller component, a motion characteristic measurement component, a laser probe and a high-speed mechanism;
the high-speed mechanism is connected with the equivalent simulation load component, the high-speed mechanism is used for providing rapid action of a simulated rapid mechanical switch, and the equivalent simulation load component is used for simulating load counter force of the rapid action of the high-speed mechanism so as to adapt to preset opening and closing bounce and opening and closing time;
the controller assembly is electrically connected with the high-speed mechanism and controls the high-speed mechanism to perform opening and closing actions;
the magnetic conductivity testing component is used for testing the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism;
the laser probe is arranged corresponding to the high-speed mechanism, emits laser towards a moving part of the high-speed mechanism, converts the laser into an electric signal through diffuse reflection of light, and transmits the electric signal to the movement characteristic measuring assembly to obtain performance data of the high-speed mechanism.
Preferably, the load simulation assembly comprises:
the static contact and the moving contact simulate the opening and closing;
one end of the insulating pull rod is connected with the moving contact, and the other end of the insulating pull rod is connected to the high-speed mechanism.
Preferably, the high-speed mechanism comprises a repulsive coil pushing copper plate structure or a repulsive coil pushing repulsive coil structure.
Preferably, the repulsive-coil structure includes:
an energy storage capacitor;
the first static repulsion coil and the dynamic repulsion coil are connected with the energy storage capacitor in parallel through a first switch;
the second static repulsion coil and the dynamic repulsion coil are connected with the energy storage capacitor in parallel through a second switch;
the dynamic repulsion coil is connected with the insulating pull rod;
the high-speed mechanism controls the switches to discharge the energy storage capacitors, so that the electromagnetic force generated by the static repulsion coil and the dynamic repulsion coil enables the dynamic repulsion coil to rapidly act.
Preferably, the repulsion coil copper plate pushing structure comprises an energy storage capacitor, a first switch, a second switch, a repulsion copper plate, a first static repulsion coil and a second static repulsion switch;
the energy storage capacitor, the first switch and the first static repulsion coil are connected in series;
the energy storage capacitor, the second switch and the second static repulsion coil are connected in series;
the repulsion copper disc is arranged between the first static repulsion coil and the second static repulsion coil and is connected with the insulating pull rod;
the controller component controls the switch to discharge the energy storage capacitor, so that the magnetic force generated by the static repulsion coil controls the repulsion copper disc to act quickly.
Preferably, the magnetic conductivity testing component tests the permanent magnetic attraction force, the magnetic field density and the magnetization curve generated by the high-speed mechanism so as to obtain the opening and closing holding force and the kinetic energy conversion efficiency of the high-speed mechanism.
Preferably, the performance data of the high speed mechanism comprises a mechanical characteristic curve and a mechanical life performance parameter.
Preferably, the motion characteristic measuring component obtains a mechanical characteristic curve of the moving part in motion through at least a single rapid motion of the high-speed mechanism;
and the motion characteristic measuring assembly performs n times of cyclic motion tests on the motion part, so as to obtain the mechanical life parameters of the high-speed mechanism.
The application has the following beneficial effects:
according to the quick mechanical switch equivalent load test method and the test platform, the performance parameters of the quick mechanical switch are simulated and tested through the test platform, the existing multiple quick mechanical switches can be subjected to test tests, performance analysis, mechanical characteristic accurate measurement analysis and mechanical service life reliability assessment of each mechanical switch can be carried out, and reliable parameters are provided for the service life of the quick mechanical switch.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a flow chart of an equivalent load test method for a fast mechanical switch provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an equivalent load test platform of the fast mechanical switch according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of a controller assembly provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic view illustrating a structural principle of a repulsive coil provided according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the structure of the repulsive coil pushing the copper plate according to the embodiment of the present invention;
fig. 6 is a schematic diagram of the working principle of the laser probe provided according to the embodiment of the invention.
The device comprises a 1-equivalent simulation load component, a 2-magnetic conductivity testing component, a 3-controller component, a 4-motion characteristic measuring component, a 5-laser probe and a 6-high-speed mechanism, wherein the equivalent simulation load component is connected with the controller component;
11-fixed contact, 12-moving contact, 13-insulating pull rod;
K1a first switch, K2-a second switch, 61-a first static repulsion coil, 62-a dynamic repulsion coil, 63-a second static repulsion coil, 64-a repulsion copper disc.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Referring to fig. 1, and fig. 2 to 6, in a first aspect, the present application provides an equivalent load test method for a fast mechanical switch, the method specifically includes:
the method comprises the steps of obtaining a high-speed mechanism 6, an equivalent simulation load component 1, a magnetic conductivity testing component 2, a controller component 3, a motion characteristic measuring component 4 and a laser probe 5.
Connecting the equivalent simulation load assembly 1 with the high-speed mechanism 6, and electrically connecting the magnetic conductivity testing assembly 2 and the controller assembly 3 to the high-speed mechanism 6 respectively; and electrically connecting the laser probe 5 with the motion characteristic measuring component 4, and arranging the laser probe 5 corresponding to the high-speed mechanism 6.
The controller component 3 is used for controlling the opening and closing actions of the high-speed mechanism 6, and the equivalent simulation load component 1 is used for simulating the load counter force of the high-speed mechanism 6 in quick action; the laser probe 5 is used for emitting laser to irradiate the moving part of the high-speed mechanism 6 which acts rapidly, and then the moving characteristic measuring component 4 and the mechanical service life parameter of the high-speed mechanism 6 are output by the moving characteristic measuring component 4 through the diffuse reflection of light; and detecting the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism 6 by using a magnetic conductivity assembly.
In this embodiment, the high-speed mechanism 6 adopts at least two of a repulsion coil-copper plate pushing structure and a repulsion coil-repulsion coil structure for comparison tests. As will be appreciated by those skilled in the art: the high-speed mechanism 6 can adopt various existing quick mechanical switches to carry out simulation test so as to compare performance parameters of each quick mechanical switch and provide accurate performance technical parameters for each quick mechanical switch.
The common test instrument in the market has single structure and function, can only test conventional switch equipment, and the average speed of the conventional opening and closing is 0.6-1.2m/s, but cannot meet the detection of a quick mechanical switch. The application provides an equivalent load test to quick mechanical switch all is applicable to the quick mechanical switch of divide-shut brake speed more than or equal to 5 m/s.
Referring to fig. 2-6, in a second aspect, the present application provides an equivalent load test platform for a fast mechanical switch, so as to meet a fast mechanical switch with a switching-on/off speed of greater than or equal to 5 m/s. The equivalent load test platform of the rapid mechanical switch comprises an equivalent simulation load component 1, a magnetic conductivity test component 2, a controller component 3, a motion characteristic measurement component 4, a laser probe 5 and a high-speed mechanism 6; the high-speed mechanism 6 is connected with the equivalent simulation load component 1, the high-speed mechanism 6 is used for providing rapid action for simulating a rapid mechanical switch, and the equivalent simulation load component 1 is used for simulating load counter force of the rapid action of the high-speed mechanism 6 so as to adapt to preset opening and closing bounce and opening and closing time; the controller component 3 is electrically connected with the high-speed mechanism 6 and controls the high-speed mechanism 6 to perform opening and closing actions; the magnetic conductivity testing component 2 is used for testing the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism 6; the laser probe 5 is arranged corresponding to the high-speed mechanism 6, the laser probe 5 emits laser towards a moving part of the high-speed mechanism 6, the laser is converted into an electric signal through diffuse reflection of light, and the electric signal is transmitted to the motion characteristic measuring component 4 to obtain performance data of the high-speed mechanism 6.
In this embodiment, referring to fig. 3, the controller component 3 is connected to a power supply, the power supply supplies power to the controller component 3, then an opening and closing instruction is input to the controller component 3, and the controller component 3 controls the high-speed mechanism 6 to perform an opening and closing operation, so as to realize an analog opening and closing operation of the fast mechanical switch.
In the present embodiment, referring to fig. 2, the load simulation module includes: the static contact 11 and the moving contact 12 simulate the opening and closing; one end of the insulating pull rod 13 is connected with the movable contact 12, and the other end of the insulating pull rod 13 is connected to the high-speed mechanism 6. An adjustable spring is arranged on the insulating pull rod 13, and the spring is adjusted to provide a load counter force required by a moving part of the high-speed mechanism 6, so that the moving contact 12 is contacted with and separated from the static contact 11 under the action of the high-speed mechanism 6, and the opening and closing operation of the rapid mechanical switch is simulated.
In the present embodiment, the high speed mechanism 6 includes, but is not limited to, a repulsive coil-pushing copper plate structure or a repulsive coil-pushing repulsive coil structure. It should be understood that the high speed mechanism 6 is adaptable to a wide variety of existing fast mechanical switches.
In the present embodiment, referring to fig. 4, the repulsive-coil structure includes: an energy storage capacitor; a first static repulsion coil 61 and a dynamic repulsion coil 62, wherein the first static repulsion coil 61 and the dynamic repulsion coil 62 pass through a first switch K1The energy storage capacitor is connected in parallel; a second static repulsion coil 63 and the dynamic repulsion coil 62, wherein the second static repulsion coil 63 and the dynamic repulsion coil 62 pass through a second switch K2The energy storage capacitor is connected in parallel; the dynamic and repulsive force coil 62 is connected with the insulating pull rod 13; the high-speed mechanism 6 controls each switch to discharge the energy storage capacitor, so that the electromagnetic force generated by one static repulsive coil and the dynamic repulsive coil 62 makes the dynamic repulsive coil 62 operate rapidly.
Referring to fig. 5, the repulsion coil copper pushing plate structure comprises an energy storage capacitor and a first switch K1A second switch K2A repulsion copper plate 64, a first static repulsion coil 61 and a second static repulsion switch; the energy storage capacitor and the first switch K1And the first static repulsive coil 61 in series; the energy storage capacitor and the second switch K2And the second static repulsive coil 63 in series; the repulsive copper disc 64 is arranged between the first static repulsive coil 61 and the second static repulsive coil 63, and the repulsive copper disc 64 is connected with the insulating pull rod 13; the controller assembly 3 controls a switch to discharge the energy storage capacitor, so that the magnetic force generated by a static repulsive coil controls the repulsive copper disc 64 to act rapidly.
When the repulsion coil or the repulsion coil copper plate pushing structure is used as an experimental test object of the high-speed mechanism 6, firstly, a load counter force is adjusted in the load simulation assembly, then the energy storage capacitor is controlled to be charged through the controller assembly 3, so that the high-speed mechanism 6 is subjected to switching-on and switching-off operations, the adjusted load counter force is overcome simultaneously in the switching-on and switching-off operation process, the equivalent load simulation of the quick mechanical switch is completed, and the performance test is performed on the simulated quick mechanical switch in the switching-on and switching-off operation process of the simulated quick mechanical switch.
It should be understood that, referring to fig. 4 or 5, F in the drawing is the direction of the force generated when closing is performed. F is the direction of force generated when opening the brake. The opening and closing are two actions, and each test on the high-speed mechanism 6 needs to complete the opening and closing, so the opening and closing actions are the opening and closing actions.
Specifically, by the controller control energy storage capacitor charges and discharges, when needing to carry out the divide-shut brake, makes energy storage capacitor discharges, gets into each repulsion coil by excitation current, produces huge magnetic force, through the relative action of magnetic force, produces quick action, realizes quick divide-shut brake to the realization is to quick mechanical switch's simulation. After the opening and closing actions, the state of the high-speed mechanism 6 is fed back to the control controller component 3, the controller component 3 carries out real-time monitoring on the high-speed mechanism 6 and issues a next instruction according to the real-time state, and then the next action of the high-speed mechanism 6 is controlled.
The high-speed mechanisms 6 with different structural forms have different high-speed action principles and different mechanical lives, and the high-speed mechanisms 6 simulate, test and compare various fast mechanical switches. In the test process, the output characteristics of the high-speed mechanisms 6 with different structures are inconsistent, different load counter forces need to be matched, and the most opening and closing bounce and opening and closing time parameters are obtained.
In this embodiment, the magnetic conductivity testing component 2 tests the permanent magnetic attraction force, the magnetic field density, and the magnetization curve generated by the high-speed mechanism 6 to obtain the opening and closing holding force and the kinetic energy conversion efficiency of the high-speed mechanism 6. The kinetic energy conversion efficiency is a technical index for converting the energy in the energy storage capacitor into the kinetic energy of the dynamic and repulsive coil 62 or the repulsive copper disc 64 through the electromagnetic force in the high-speed mechanism 6.
In the present embodiment, the performance data of the high-speed mechanism 6 includes a mechanical characteristic curve and a mechanical life performance parameter. The motion characteristic measuring component 4 obtains the mechanical characteristic curve of the motion part in motion through at least a single rapid motion of the high-speed mechanism 6; specifically, the laser probe 5 can emit laser to be gathered on a moving part of the high-speed mechanism 6, the laser probe 5 can receive the reflected light through the diffuse reflection principle of the laser light, convert the reflected light into an electric signal and transmit the electric signal to the movement characteristic measuring component 4, then a mechanical characteristic curve in each action process of the high-speed mechanism 6 is decoded, and a cyclic action test of tens of thousands of orders of magnitude is needed for determining the mechanical characteristic curve.
The motion characteristic measuring component 4 performs n times of cyclic motion tests on the motion part, so as to obtain the mechanical life parameters of the high-speed mechanism 6. It should be understood that the mechanical life test for the high-speed mechanism 6 is to perform n times of cyclic motion tests on the moving parts of the high-speed mechanism 6, and when the high-speed mechanism 6 cannot realize opening and closing motions or fails in opening and closing motions, and after multiple tests, the mechanical life parameters are determined, so as to play a guiding role in simulating the fast mechanical switch of the high-speed mechanism 6.
According to the quick mechanical switch equivalent load test method and the test platform, the performance parameters of the quick mechanical switch are simulated and tested through the test platform, the existing multiple quick mechanical switches can be subjected to test tests, performance analysis, mechanical characteristic accurate measurement analysis and mechanical service life reliability assessment of each mechanical switch can be carried out, and reliable parameters are provided for the service life of the quick mechanical switch.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. An equivalent load test method of a rapid mechanical switch is characterized by comprising the following steps:
acquiring a high-speed mechanism, an equivalent simulation load assembly, a magnetic conductivity testing assembly, a controller assembly, a motion characteristic measuring assembly and a laser probe;
connecting the equivalent simulation load assembly with the high-speed mechanism, and electrically connecting the magnetic conductivity testing assembly and the controller assembly to the high-speed mechanism respectively;
electrically connecting the laser probe with the motion characteristic measuring component, and correspondingly arranging the laser probe and the high-speed mechanism;
the controller component is used for controlling the opening and closing actions of the high-speed mechanism, and the equivalent simulation load component is used for simulating the load counter force of the high-speed mechanism in quick action;
the laser probe is used for emitting laser to irradiate the moving part of the high-speed mechanism which acts rapidly, and then the moving characteristic measuring component outputs the moving characteristic measuring component and the mechanical service life parameter of the high-speed mechanism through the diffuse reflection of light;
and detecting the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism by using the magnetic conductivity assembly.
2. The equivalent load test method of the fast mechanical switch according to claim 1, wherein the high speed mechanism uses at least two of a repulsive coil-copper plate pushing structure and a repulsive coil-repulsive coil structure for comparison test.
3. The equivalent load test platform of the rapid mechanical switch is characterized by being suitable for simulating and testing the rapid mechanical switch with the opening and closing speed of more than or equal to 5m/s, and comprising an equivalent simulation load component, a magnetic conductivity test component, a controller component, a motion characteristic measurement component, a laser probe and a high-speed mechanism;
the high-speed mechanism is connected with the equivalent simulation load component, the high-speed mechanism is used for providing rapid action of a simulated rapid mechanical switch, and the equivalent simulation load component is used for simulating load counter force of the rapid action of the high-speed mechanism so as to adapt to preset opening and closing bounce and opening and closing time;
the controller assembly is electrically connected with the high-speed mechanism and controls the high-speed mechanism to perform opening and closing actions;
the magnetic conductivity testing component is used for testing the kinetic energy conversion efficiency and the opening and closing holding force of the high-speed mechanism;
the laser probe is arranged corresponding to the high-speed mechanism, emits laser towards a moving part of the high-speed mechanism, converts the laser into an electric signal through diffuse reflection of light, and transmits the electric signal to the movement characteristic measuring assembly to obtain performance data of the high-speed mechanism.
4. The equivalent load test platform of a fast mechanical switch according to claim 3, wherein the load simulation assembly comprises:
the static contact and the moving contact simulate the opening and closing;
one end of the insulating pull rod is connected with the moving contact, and the other end of the insulating pull rod is connected to the high-speed mechanism.
5. The equivalent load test platform of the fast mechanical switch according to claim 3 or 4, wherein the high speed mechanism comprises a repulsive coil-copper plate pushing structure or a repulsive coil-repulsive coil structure.
6. The equivalent load test platform of fast mechanical switch according to claim 5, wherein the repulsive coil-repulsive coil structure comprises:
an energy storage capacitor;
the first static repulsion coil and the dynamic repulsion coil are connected with the energy storage capacitor in parallel through a first switch;
the second static repulsion coil and the dynamic repulsion coil are connected with the energy storage capacitor in parallel through a second switch;
the dynamic repulsion coil is connected with the insulating pull rod;
the high-speed mechanism controls the switches to discharge the energy storage capacitors, so that the electromagnetic force generated by the static repulsion coil and the dynamic repulsion coil enables the dynamic repulsion coil to rapidly act.
7. The equivalent load test platform of the rapid mechanical switch according to claim 5, wherein the repulsion coil copper plate pushing structure comprises an energy storage capacitor, a first switch, a second switch, a repulsion copper plate, a first static repulsion coil and a second static repulsion switch;
the energy storage capacitor, the first switch and the first static repulsion coil are connected in series;
the energy storage capacitor, the second switch and the second static repulsion coil are connected in series;
the repulsion copper disc is arranged between the first static repulsion coil and the second static repulsion coil and is connected with the insulating pull rod;
the controller component controls the switch to discharge the energy storage capacitor, so that the magnetic force generated by the static repulsion coil controls the repulsion copper disc to act quickly.
8. The equivalent load test platform of the fast mechanical switch according to claim 3,
the magnetic conductivity testing component tests the permanent magnetic attraction force, the magnetic field density and the magnetization curve generated by the high-speed mechanism so as to obtain the opening and closing holding force and the kinetic energy conversion efficiency of the high-speed mechanism.
9. The equivalent load test platform of a fast mechanical switch according to claim 3, wherein the performance data of the high speed mechanism comprises mechanical characteristic curves and mechanical life performance parameters.
10. The equivalent load test platform of the fast mechanical switch according to claim 8,
the motion characteristic measuring component obtains a mechanical characteristic curve of the motion part in motion through at least a single rapid motion of the high-speed mechanism;
and the motion characteristic measuring assembly performs n times of cyclic motion tests on the motion part, so as to obtain the mechanical life parameters of the high-speed mechanism.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740725A (en) * | 2021-09-09 | 2021-12-03 | 广东电网有限责任公司 | Method and device for monitoring state of driving unit of repulsion switch |
| CN116525351A (en) * | 2023-06-30 | 2023-08-01 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN117498284A (en) * | 2023-10-26 | 2024-02-02 | 武汉大学 | Series compensation capacitor device based on short-circuit fault current intelligent self-driving |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220214A (en) * | 1975-08-08 | 1977-02-16 | Hitachi Ltd | Equivalent tester for switch for switching tap in the presence of load |
| CN104898052A (en) * | 2015-06-29 | 2015-09-09 | 中国电力科学研究院 | IEC (international electrotechnical commission) 61850 based verification system and IEC 61850 based verification method for switch mechanical characteristic testing device |
| CN107179489A (en) * | 2017-06-08 | 2017-09-19 | 上海交通大学 | Built-in optic probe for gas-insulated switchgear Partial Discharge Detection |
| CN110376514A (en) * | 2019-07-10 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC high-speed switch synthetic performance evaluation method |
| WO2019237920A1 (en) * | 2019-03-18 | 2019-12-19 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Gil device three-post insulator mechanical reliability test platform and test method |
-
2020
- 2020-05-27 CN CN202010461165.4A patent/CN111653444B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220214A (en) * | 1975-08-08 | 1977-02-16 | Hitachi Ltd | Equivalent tester for switch for switching tap in the presence of load |
| CN104898052A (en) * | 2015-06-29 | 2015-09-09 | 中国电力科学研究院 | IEC (international electrotechnical commission) 61850 based verification system and IEC 61850 based verification method for switch mechanical characteristic testing device |
| CN107179489A (en) * | 2017-06-08 | 2017-09-19 | 上海交通大学 | Built-in optic probe for gas-insulated switchgear Partial Discharge Detection |
| WO2019237920A1 (en) * | 2019-03-18 | 2019-12-19 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Gil device three-post insulator mechanical reliability test platform and test method |
| CN110376514A (en) * | 2019-07-10 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC high-speed switch synthetic performance evaluation method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740725A (en) * | 2021-09-09 | 2021-12-03 | 广东电网有限责任公司 | Method and device for monitoring state of driving unit of repulsion switch |
| CN113740725B (en) * | 2021-09-09 | 2023-05-16 | 广东电网有限责任公司 | Method and device for monitoring state of driving unit of repulsive force switch |
| CN116525351A (en) * | 2023-06-30 | 2023-08-01 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN116525351B (en) * | 2023-06-30 | 2023-09-08 | 中国电力科学研究院有限公司 | Short-excitation high-speed vacuum opening and closing device |
| CN117498284A (en) * | 2023-10-26 | 2024-02-02 | 武汉大学 | Series compensation capacitor device based on short-circuit fault current intelligent self-driving |
| CN117498284B (en) * | 2023-10-26 | 2024-04-05 | 武汉大学 | Series compensation capacitor device based on short-circuit fault current intelligent self-driving |
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| CN111653444B (en) | 2022-12-20 |
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