CN114839526A - Circuit breaker characteristic test platform - Google Patents
Circuit breaker characteristic test platform Download PDFInfo
- Publication number
- CN114839526A CN114839526A CN202210762944.7A CN202210762944A CN114839526A CN 114839526 A CN114839526 A CN 114839526A CN 202210762944 A CN202210762944 A CN 202210762944A CN 114839526 A CN114839526 A CN 114839526A
- Authority
- CN
- China
- Prior art keywords
- fracture
- relay
- circuit breaker
- simulation
- closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Algebra (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention relates to the field of electric power application, and particularly discloses a circuit breaker characteristic testing platform which comprises an internal power supply, a closing button, an opening button, an external power supply, a far and near operation selection switch, a double-position relay, a transmission assembly selection switch, a push-pull electromagnet, a fracture control relay, a fracture selection switch, a first fracture simulation relay, a second fracture simulation relay and a simulation switch fracture. According to the circuit breaker characteristic test platform, the learning of the mechanical characteristic test fracture connection line and the opening and closing test line of the circuit breaker is simulated and completed by simulating the fracture of the circuit breaker, the energy storage component of the circuit breaker is simulated and completed by adopting a small element to drive the simulated circuit breaker, the speed measurement element is simulated and learned, actual circuit breaker equipment is not needed in the training process, the training process is convenient, and the device is high in safety.
Description
Technical Field
The invention relates to the field of electric power application, in particular to a circuit breaker characteristic test platform.
Background
The mechanical characteristic test of the circuit breaker is a test which must be carried out after the circuit breaker is handed over, routinely tested and the maintenance operations such as changing the opening and closing coils and the energy storage spring are carried out, an instrument can be correctly used for testing, the test result is ensured to be accurate, and the circuit breaker is a prerequisite guarantee for the reliable operation of the circuit breaker. The using method of the tester mainly comprises the aspects of wiring, parameter selection, speed measurement element installation and data analysis and judgment, at present, learning in the aspects can only be carried out through a tester specification and video courseware, a beginner cannot get on the hands quickly, on-site actual practice needs equipment power failure, great inconvenience exists, and quick mastering of a breaker mechanical characteristic tester using method by a maintainer is not easy to achieve. Aiming at the existing problems, a circuit breaker characteristic test platform is researched and designed, and the problem existing in the existing circuit breaker mechanical characteristic test is very necessary to be overcome.
Disclosure of Invention
In order to solve the problems existing in the existing circuit breaker mechanical characteristic test, the invention provides a circuit breaker characteristic test platform.
The technical scheme adopted by the invention for realizing the purpose is as follows: a circuit breaker characteristic test platform comprises an internal power supply, a closing button, an opening button, an external power supply, a far and near operation selection switch, a double-position relay, a transmission assembly selection switch, a push-pull electromagnet, a fracture control relay, a fracture selection switch, a first fracture simulation relay, a second fracture simulation relay and a simulation switch fracture; the external power supply comprises an external switching-on power supply, an external switching-off power supply and an external public negative electricity; the far and near operation selection switch is connected with the double-position relay to form a closing control circuit; the far and near operation selection switch is connected with the double-position relay to form a switching-off control circuit; the switching-on button, the push-pull electromagnet and the transmission assembly selection switch are sequentially connected, wherein the push-pull electromagnet and the switching-on button normally open second node are connected with the double-position relay in parallel to form a transmission assembly control circuit; the double-position relay is connected with the fracture control relay to form a fracture control circuit; the second fracture simulation relay is connected with the fracture selection switch in series and then connected with the first fracture simulation relay in parallel, and a circuit after the parallel connection is connected with the normally closed node of the opening button and the fracture control relay to form a fracture simulation circuit; when the far and near operation selection switch is located at the local position, the switching-on control circuit, the switching-off control circuit, the transmission assembly control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and are connected with the internal power supply through the far and near operation selection switch, a switching-on button is arranged between the input end of the switching-on control circuit and the internal power supply, and a switching-off button is arranged between the input end of the switching-off control circuit and the internal power supply; when the distance operation selection switch is located at a distant position, the switching-on control circuit, the switching-off control circuit, the transmission assembly control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and are connected with an external power supply through the distance operation selection switch, the input end of the switching-on control circuit is connected with the external switching-on power supply, and the input end of the switching-off control circuit is connected with the external switching-on power supply.
Preferably, the switching-on indicating lamp circuit is further provided with a switching-off indicating lamp and a switching-off indicating lamp, wherein the first fracture simulation relay is connected with the second fracture simulation relay in parallel and then connected with the switching-on indicating lamp in series to form the switching-on indicating lamp circuit; the first fracture simulation relay and the second fracture simulation relay are connected in parallel and then are connected in series with the switching-off indicating lamp to form a switching-off indicating lamp circuit.
Preferably, the internal power supply comprises a power switch and a rectifier bridge, the rectifier bridge is an MDQ solid-state rectifier bridge and is used for converting an input alternating current 220V voltage into a direct current 220V voltage, the current output by the MDQ solid-state rectifier bridge is 100A, and the MDQ solid-state rectifier bridge is further connected in parallel with a voltmeter which is used for displaying the voltage value output by the MDQ solid-state rectifier bridge.
Preferably, the first fracture simulation relay and the second fracture simulation relay are CJX2-1210Z contact relays with six normally open nodes.
Preferably, the fracture select switch is rotary switch for control simulation three-fracture circuit breaker state and six-fracture circuit breaker state, and fracture select switch separating brake when carrying out three-fracture circuit breaker state test uses the three node of opening normally of first fracture simulation relay, and fracture select switch combined floodgate when carrying out six-fracture circuit breaker state test uses the six node of opening normally of first fracture simulation relay and second fracture simulation relay.
Preferably, 12 wiring terminals are arranged at the fracture of the analog switch, the first fracture analog relay is further connected with the fracture of the analog switch A1, A2, B1, B2, C1 and C2, and the second fracture analog relay is further connected with the fracture of the analog switch A3, A4, B3, B4, C3 and C4.
Preferably, the switching-on button is red and is used for controlling the training platform to simulate the switching-on operation of the circuit breaker, and the switching-off button is green and is used for controlling the training platform to simulate the switching-off operation of the circuit breaker.
Preferably, the transmission assembly control circuit further comprises a transmission assembly, the transmission assembly is made of metal and comprises a spring assembly and a connecting rod, when the push-pull electromagnet is switched on, the spring assembly of the transmission assembly acts to push the connecting rod of the transmission assembly, and the connecting rod simulates the action of a relay.
Preferably, the push-pull electromagnet is a P1250H-01 push-pull electromagnet, the P1250H-01 push-pull electromagnet is connected with the transmission assembly and the speed measurement selection switch in series, when the push-pull electromagnet receives an operation pulse of the speed measurement selection switch, the transmission assembly is pushed to simulate the opening and closing actions of the circuit breaker, the simulation crank arm is driven through the connecting rod, and the transmission crank arm actions are simulated when the circuit breaker operates.
Preferably, the transmission assembly further comprises a transmission assembly selection switch, the transmission assembly selection switch is a two-gear rotary switch, one gear is connected with a control loop of the training platform, and the other gear is in a neutral position.
According to the circuit breaker characteristic test platform, the learning of the mechanical characteristic test fracture connection line and the opening and closing test line of the circuit breaker is simulated and completed by simulating the fracture of the circuit breaker, the energy storage component of the circuit breaker is simulated and completed by adopting a small element to drive the simulated circuit breaker, the speed measurement element is simulated and learned, actual circuit breaker equipment is not needed in the training process, the training process is convenient, and the device is high in safety.
Drawings
Fig. 1 is a schematic control circuit diagram of a circuit breaker characteristic testing platform according to an embodiment of the present invention;
fig. 2 is a wiring schematic diagram of a circuit breaker characteristic testing platform according to an embodiment of the invention.
In the figure: QF, a power switch, AB, a rectifier bridge, SBT1, a far and near operation selection switch, SZJ1, 11-20 nodes of a double-position relay coil, SZJ2, 1-10 nodes of the double-position relay coil, SBT2, a transmission component selection switch, DJ, a push-pull electromagnet, 1ZJ, a fracture control relay, SBT3, a fracture selection switch, 2ZJ, a first fracture simulation relay, 3ZJ, a second fracture simulation relay, HQ, a closing indicator lamp, TQ, a switching-off indicator lamp, SB1-1, a first normally open node of a closing button, SB1-2, a second normally open node of the closing button, SB2-1, a first node of the switching-off button, SB2-3, a normally closed node of the switching-off button, SZJ1-1, a 2-3 node of the double-position relay, SZJ1-3, a 1-2 node of the double-position relay, SZJ2-2 and a 14-15 node of the double-position relay coil, SZJ2-3, a double-position relay 3-4 node, 1ZJ-2, a normally open node of a fracture control relay, 2ZJ-1, a first fracture simulation relay 13-14 node, 2ZJ-2, a first fracture simulation relay 11-12 node, 3ZJ-1, a second fracture simulation relay 13-14 node, 3ZJ-2 and a second fracture simulation relay 11-12 node.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
the circuit breaker characteristic test platform comprises an internal power supply, a closing button, an opening button, an external power supply, a near-far operation selection switch SBT1, a two-position relay, a transmission assembly selection switch SBT2, a push-pull electromagnet DJ, an fracture control relay 1ZJ, an fracture selection switch SBT3, a first fracture simulation relay 2ZJ, a second fracture simulation relay 3ZJ and a simulation switch fracture; the external power supply comprises an external switching-on power supply, an external switching-off power supply and external public negative electricity; the far and near operation selection switch SBT1 is connected with a double-position relay to form a closing control circuit; the far and near operation selection switch SBT1 is connected with a double-position relay to form a switching-off control circuit; the closing button, the push-pull electromagnet DJ and the transmission assembly selection switch SBT2 are sequentially connected, wherein the push-pull electromagnet DJ and the normally-open second node SB1-2 of the closing button are connected in parallel with a double-position relay to form a transmission assembly control circuit; the double-position relay is connected with the fracture control relay 1ZJ to form a fracture control circuit; the second fracture simulation relay 3ZJ is connected with the fracture selection switch SBT3 in series and then connected with the first fracture simulation relay 2ZJ in parallel, and the circuit after the parallel connection is connected with the normally closed node SB2-3 of the opening button and the fracture control relay 1ZJ to form a fracture simulation circuit; when the near-far operation selection switch SBT1 is located at the local position, the switching-on control circuit, the switching-off control circuit, the transmission assembly control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and are connected with the internal power supply through the near-far operation selection switch SBT1, a switching-on button is arranged between the input end of the switching-on control circuit and the internal power supply, and a switching-off button is arranged between the input end of the switching-off control circuit and the internal power supply; when the near-far operation selection switch SBT1 is located at a far position, the closing control circuit, the opening control circuit, the transmission assembly control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and connected with an external power supply through the near-far operation selection switch SBT1, the input end of the closing control circuit is connected with the external closing power supply, and the input end of the opening control circuit is connected with the external closing power supply.
In addition, the platform is also provided with a closing indicator lamp HQ and a breaking indicator lamp TQ, and the first fracture simulation relay 2ZJ and the second fracture simulation relay 3ZJ are connected in parallel and then are connected in series with the closing indicator lamp HQ to form a closing indicator lamp circuit; the first fracture simulation relay 2ZJ and the second fracture simulation relay 3ZJ are connected in parallel and then are connected in series with the brake-separating indicator lamp TQ to form a brake-separating indicator lamp circuit.
This platform still is equipped with supply socket, supply socket can be article word socket or recess socket, can input 220V power, internal power can include switch QF and rectifier bridge AB, rectifier bridge AB can be the solid-state rectifier bridge of MDQ, be used for changing into direct current 220V voltage with the alternating current 220V voltage of input, the electric current of MDQ solid-state rectifier bridge output is 100A, the concrete model of switch QF can be the empty division of DZY2-6/2G type, connect supply socket and built-in MDQ solid-state rectifier bridge respectively, form the power supply unit, be used for controlling training platform power input direct current 220V voltage, the solid-state rectifier bridge of MDQ still connects in parallel has the voltmeter, the voltmeter can be pointer voltmeter, be used for showing the voltage value of MDQ solid-state rectifier bridge output, can judge whether stable through the demonstration of voltmeter. The specific model of the fracture simulation relay can be CJX2-1210Z direct current contactor and is connected with the fracture of the simulation switch, after the training platform is connected with the tester, the fracture simulation relay can reflect the opening and closing state of the breaker, 12 wiring terminals are arranged at the fracture of the simulation switch, the fracture number of the breaker can be simulated, simulation testing is conducted, the first fracture simulation relay 2ZJ can be connected with the fractures A1, A2, B1, B2, C1 and C2 of the simulation switch, and the second fracture simulation relay 3ZJ can be connected with the fractures A3, A4, B3, B4, C3 and C4 of the simulation switch.
The far and near operation selection switch SBT1 can be a rotary switch, the specific model can be LW8-10D, the far and near operation selection switch SBT1 selects an external power supply to be disconnected when an internal power supply of the training platform is in a remote operation, the far and near operation selection switch SBT1 selects an internal power supply to be connected when the training platform is in a local operation, the training platform is further provided with a simulation terminal row, the simulation terminal row is a 24-port terminal row and used for connecting a tester in a wiring mode, and the simulation terminal row can be connected with the tester in a secondary circuit wiring mode of an LW9-72.5 type high-voltage sulfur hexafluoride breaker operating mechanism. The first fracture simulation relay 2ZJ and the second fracture simulation relay 3ZJ are CJX2-1210Z contact relays with six normally open nodes. Fracture select switch SBT3 can be rotary switch, and specific model can be LW8-10D for control simulation three fracture circuit breaker state and six fracture circuit breaker states, fracture select switch SBT3 separating brake when carrying out three fracture circuit breaker state tests, use the three normally open node of first fracture simulation relay 2ZJ, fracture select switch SBT3 combined floodgate when carrying out six fracture circuit breaker state tests, use the six normally open nodes of first fracture simulation relay 2ZJ and second fracture simulation relay 3 ZJ. The switching-on button can be red and used for controlling the training platform to simulate the switching-on operation of the circuit breaker, the switching-off button can be green and used for controlling the training platform to simulate the switching-off operation of the circuit breaker, the specific model of the switching-on button can be LA2-11 red, and the specific model of the switching-off button can be LA2-11 green. The switching-on and switching-off indicator lamp can comprise a green switching-off indicator lamp and a red switching-on indicator lamp, the switching-on and switching-off position condition of the switch can be observed more visually, the specific model of the switching-on and switching-off indicator lamp TQ can be AD16-22DS green, and the specific model of the switching-on and switching-off indicator lamp HQ can be AD16-22DS red.
The transmission assembly control circuit further comprises a transmission assembly, the transmission assembly is made of metal and comprises a spring assembly and a connecting rod, when the push-pull electromagnet DJ is conducted, the spring assembly of the transmission assembly acts to push the connecting rod of the transmission assembly, and the connecting rod simulates the action of a relay. The specific model of the push-pull electromagnet DJ can be P1250H-01, the P1250H-01 push-pull electromagnet is connected with the transmission component and the speed measurement selection switch in series, when the push-pull electromagnet DJ receives an operation pulse of the speed measurement selection switch, the transmission component is pushed to simulate the opening and closing actions of the circuit breaker, the connecting rod drives the simulation crank arm, the simulation crank arm acts when the circuit breaker operates to simulate the operation of the circuit breaker to perform linear speed measurement, and a medium linear speed measurement module of the circuit breaker tester can be clamped on the connecting rod of the transmission component to complete speed measurement operation in mechanical characteristics. The transmission assembly can also comprise a transmission assembly selection switch SBT2, the transmission assembly selection switch SBT2 is a two-gear rotary switch, one gear is connected with a control circuit of the training platform, the other gear is idle, and the transmission assembly in the training platform can act only when the transmission assembly selection switch SBT2 is switched on. The outside detachable ya keli protection casing that can set up of drive assembly prevents to test the speed and accidentally injures operating personnel when operating. The training platform is also provided with a grounding port, and the shell and the elements of the training platform are grounded to prevent the platform from being electrically leaked to hurt people. The specific size of the training platform can be 100cm in length, 50cm in width and 3cm in vertical face thickness, the whole material can be an acrylic plate, and the acrylic plate needs to be smooth in surface and free of burrs.
Example 2:
take the experimental conditions as three-break circuit breaker, on-site operation, and speed measurement. The circuit breaker characteristic test platform is connected with a power supply, a power switch QF is connected, a voltmeter displays input voltage, a three-fracture circuit breaker is selected by opening a fracture selection switch SBT3, a first fracture simulates three normally open nodes of a relay 2ZJ, a far and near operation selection switch SBT1 is adjusted to be in-situ position, an in-situ operation mode is selected, a transmission assembly selection switch SBT2 is used for selecting speed test, a protective cover on the outer side of a transmission assembly is taken down, a middle linear speed measurement module of a circuit breaker tester is installed at a specified position, a closing indicator lamp HQ and a closing indicator lamp TQ are checked, if a green lamp is bright, a closing button SB1 is pressed, a two-position relay is operated to simulate the closing of the circuit breaker, the transmission assembly operates simultaneously, the closing indicator lamp HQ is bright in red, and the closing is completed. If the remote operation is used, the breaker tester sends out an internal direct-current operation power supply which is connected to the simulation terminal block, and the position relay is controlled to complete the simulation opening and closing operation.
Example 3:
the specific wiring condition in the platform can be that, as shown in fig. 1 and fig. 2, a first normally open node SB1-1 of a closing button, a 3-4 node of a near-far operation selector switch SBT1, and a node SZJ1 of a two-position relay coil 11-20 are connected to form a closing control loop; a first normally open node SB2-1 of a brake separating button, a node 1-2 of a far and near operation selection switch SBT1 and a node SZJ2 of a coil 1-10 of a double-position relay are connected to form a brake separating control loop; the 5-6 nodes of the far and near operation selection switch SBT1 are respectively connected with the nodes of the analog terminal row, can be connected through a tester and provide power for a training platform, and the 7 nodes of the far and near operation selection switch SBT1 are connected with the common end of a loop, and the 8 nodes are connected with the nodes of the analog terminal row; the transmission assembly selection switch SBT2 is sequentially connected with a push-pull electromagnet DJ and a second normally open node SB1-2 of a closing button, wherein the push-pull electromagnet DJ and the second normally open node SB1-2 of the closing button are connected with a node SZJ1-3 of a double-position relay 1-2 and a node SZJ2-3 of a double-position relay 3-4 in parallel to form a transmission assembly control loop; the fracture relay coil is sequentially connected with a node SZJ2-2 of a double-position relay coil 14-15 and a node SZJ1-1 of a double-position relay 2-3 to form a fracture control loop; a coil of the second fracture simulation relay 3ZJ is connected in series with a node 13-14 of the fracture selection switch SBT3 and then connected in parallel with a coil of the first fracture simulation relay 2ZJ, and a parallel circuit is connected in series with a normally closed node SB2-3 of the opening button and the fracture control relay 1ZJ to form a fracture simulation loop; the nodes 13-14, 15-16 and 17-18 in the first fracture analog relay 2ZJ are respectively connected with the analog switch fractures A1, A2, B1, B2, C1 and C2, and the nodes 13-14, 15-16 and 17-18 in the second fracture analog relay 3ZJ are connected with the analog switch fractures A3, A4, B3, B4, C3 and C4; the first fracture simulation relay 13-14 node 2ZJ-1 and the second fracture simulation relay 13-14 node 3ZJ-1 are connected in parallel and are connected in series with a closing indicator lamp HQ to form a closing indicator lamp loop; the first fracture simulation relay 11-12 node 2ZJ-2 and the second fracture simulation relay 11-12 node 3ZJ-2 are connected in parallel and then connected with the opening indicating lamp TQ in series.
Example 4:
the specific circuit conditions in the platform are shown in fig. 1, a circuit breaker characteristic test training platform, a power switch QF is switched on, a rectifier bridge AB inverts alternating current 220V into direct current 220V, nodes 1-2 and 3-4 of a far and near operation selection switch SBT1 at the local position are switched on, and at the moment, if a switching-on button is pressed, a double-position relay coil 11-20 node SZJ1 is switched on. The double-position relay 2-3 node SZJ1-1 is switched on, the break-make and break-make of the break control relay 1ZJ are used for controlling the excitation action of the break control relay 1ZJ, and the break-make and break-make of the first break simulation relay 2ZJ are switched on through the break control relay normally-open node 1ZJ-2, so that the circuit breaker is simulated to be switched on. And if the fracture selection switch SBT3 is switched on, the second fracture simulation relay 3ZJ is switched on to form the simulation six-fracture circuit breaker. Meanwhile, the first fracture simulation relay 13-14 node 2ZJ-1 is connected with a closing indicator lamp HQ red lamp, and the success of closing of the circuit breaker is displayed. According to the technical scheme, the opening button is pressed during opening operation, the double-position relay coil 1-10 node SZJ2 is connected, the double-position relay coil 14-15 node SZJ2-2 is disconnected, the fracture control relay 1ZJ is disconnected in a power failure mode, the normally closed node SB2-3 of the opening button is also disconnected when the opening button is pressed, the ports of the first fracture simulation relay 2ZJ and the second fracture simulation relay 3ZJ are enabled to simulate the relay coil to be disconnected in a power failure mode, opening of a circuit breaker is simulated, the normally closed nodes 2 and 3 of the first fracture simulation relay 2ZJ and the second fracture simulation relay 3ZJ are connected simultaneously, the opening indicator lamp TQ is turned on, and success of opening of the circuit breaker is displayed.
When the remote operation is performed, the remote operation selection switch SBT1 is in a remote position, the nodes 2-5, 4-6 and 7-8 are switched on, and the power is controlled to be accessed from the circuit breaker characteristic tester.
When the transmission assembly selection switch SBT2 is switched on, a second normally open node SB1-2 of a closing button is switched on during closing operation, the push-pull electromagnet DJ is excited, and meanwhile, a self-holding loop is formed by the aid of a node SZJ1-3 of the double-position relay 1-2 to simulate the action of a closing transmission part. When the opening operation is operated, the push-pull electromagnet DJ coil is disconnected by using the 3-4 node SZJ2-3 of the double-position relay, and the action of a simulated opening transmission part is completed.
The wiring schematic is shown in fig. 2: for a three-break circuit breaker, break test lines of a circuit breaker characteristic tester are connected with connection jacks A1, B1 and C1, and short circuits A2, B2 and C2 are connected with a common terminal of the tester. The test lines for six-break circuit breakers should also be connected to a3, B3, C3 patch jacks, all of which lead to analog terminal blocks.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A circuit breaker characteristic test platform is characterized by comprising an internal power supply, a closing button, an opening button, an external power supply, a near-far operation selector switch (SBT 1), a double-position relay, a transmission assembly selector switch (SBT 2), a push-pull electromagnet (DJ), an interruption control relay (1 ZJ), an interruption selector switch (SBT 3), a first interruption simulation relay (2 ZJ), a second interruption simulation relay (3 ZJ) and a simulation switch interruption; the external power supply comprises an external switching-on power supply, an external switching-off power supply and an external public negative electricity; the far and near operation selection switch (SBT 1) is connected with the double-position relay to form a closing control circuit; the far and near operation selection switch (SBT 1) is connected with the double-position relay to form a switching-off control circuit; the closing button, the push-pull electromagnet (DJ) and the transmission assembly selection switch (SBT 2) are sequentially connected, wherein the push-pull electromagnet (DJ) and a normally open second node (SB 1-2) of the closing button are connected with the double-position relay in parallel to form a transmission assembly control circuit; the double-position relay is connected with the fracture control relay (1 ZJ) to form a fracture control circuit; the second fracture simulation relay (3 ZJ) is connected with the fracture selection switch (SBT 3) in series and then connected with the first fracture simulation relay (2 ZJ) in parallel, and the circuit after the parallel connection is connected with the normally closed node (SB 2-3) of the opening button and the fracture control relay (1 ZJ) to form a fracture simulation circuit; when the near-far operation selection switch (SBT 1) is positioned on the spot, the closing control circuit, the opening control circuit, the transmission component control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and are connected with the internal power supply through the near-far operation selection switch (SBT 1), a closing button is arranged between the input end of the closing control circuit and the internal power supply, and an opening button is arranged between the input end of the opening control circuit and the internal power supply; when the near-far operation selection switch (SBT 1) is located at a far position, the closing control circuit, the opening control circuit, the transmission assembly control circuit, the fracture control circuit and the fracture simulation circuit are connected in parallel and are connected with an external power supply through the near-far operation selection switch (SBT 1), the input end of the closing control circuit is connected with the external closing power supply, and the input end of the opening control circuit is connected with the external closing power supply.
2. The circuit breaker characteristic test platform of claim 1, further comprising a closing indicator lamp (HQ) and a breaking indicator lamp (TQ), wherein the first fracture simulation relay (2 ZJ) is connected in parallel with the second fracture simulation relay (3 ZJ) and then connected in series with the closing indicator lamp (HQ) to form a closing indicator lamp circuit; the first fracture simulation relay (2 ZJ) is connected with the second fracture simulation relay (3 ZJ) in parallel and then is connected with the brake separating indicator lamp (TQ) in series to form a brake separating indicator lamp circuit.
3. The circuit breaker characteristic test platform of claim 1, wherein the internal power supply comprises a power switch (QF) and a rectifier bridge (AB), the rectifier bridge (AB) is an MDQ solid-state rectifier bridge and is used for converting an input alternating current 220V voltage into a direct current 220V voltage, the current output by the MDQ solid-state rectifier bridge is 100A, and the MDQ solid-state rectifier bridge is further connected in parallel with a voltmeter, and the voltmeter is used for displaying a voltage value output by the MDQ solid-state rectifier bridge.
4. The circuit breaker characteristic test platform of claim 1, wherein the first fracture simulation relay (2 ZJ) and the second fracture simulation relay (3 ZJ) are CJX2-1210Z contact relays with six normally open nodes.
5. The circuit breaker characteristic test platform of claim 4, wherein the break selector switch (SBT 3) is a rotary switch for controlling the simulated three-break circuit breaker state and the six-break circuit breaker state, the break selector switch (SBT 3) is opened when the three-break circuit breaker state test is performed, three normally open nodes of the first break simulation relay (2 ZJ) are used, the break selector switch (SBT 3) is closed when the six-break circuit breaker state test is performed, and six normally open nodes of the first break simulation relay (2 ZJ) and the second break simulation relay (3 ZJ) are used.
6. The circuit breaker characteristic test platform of claim 1, wherein 12 wiring terminals are arranged at the fracture of the analog switch, the first fracture analog relay (2 ZJ) is further connected with the fracture of the analog switch A1, A2, B1, B2, C1 and C2, and the second fracture analog relay (3 ZJ) is further connected with the fracture of the analog switch A3, A4, B3, B4, C3 and C4.
7. The circuit breaker performance testing platform of claim 1, wherein the closing button is red for controlling the training platform to simulate the closing operation of the circuit breaker, and the opening button is green for controlling the training platform to simulate the opening operation of the circuit breaker.
8. The circuit breaker performance testing platform of claim 1, wherein the transmission assembly control circuit further comprises a transmission assembly, the transmission assembly is made of metal and comprises a spring assembly and a connecting rod, when the push-pull electromagnet (DJ) is switched on, the spring assembly of the transmission assembly acts to push the connecting rod of the transmission assembly, and the connecting rod performs a relay action simulation.
9. The circuit breaker performance testing platform of claim 8, wherein the push-pull electromagnet (DJ) is a P1250H-01 push-pull electromagnet, the P1250H-01 push-pull electromagnet is connected in series with the transmission assembly and the speed-measuring selection switch, when the push-pull electromagnet (DJ) receives an operation pulse of the speed-measuring selection switch, the transmission assembly is pushed to simulate the opening and closing action of the circuit breaker, the simulated crank arm is driven by the connecting rod, and the action of the simulated crank arm is simulated when the circuit breaker operates.
10. The testing platform of claim 8, wherein the transmission selection switch (SBT 2) is a two-position rotary switch, one position is connected to the control circuit of the training platform, and the other position is left idle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762944.7A CN114839526B (en) | 2022-07-01 | 2022-07-01 | Circuit breaker characteristic test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762944.7A CN114839526B (en) | 2022-07-01 | 2022-07-01 | Circuit breaker characteristic test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114839526A true CN114839526A (en) | 2022-08-02 |
| CN114839526B CN114839526B (en) | 2022-09-09 |
Family
ID=82574944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210762944.7A Active CN114839526B (en) | 2022-07-01 | 2022-07-01 | Circuit breaker characteristic test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114839526B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090243620A1 (en) * | 2008-03-26 | 2009-10-01 | Satin American Corporation | Method for testing circuit breakers |
| CN201707032U (en) * | 2010-06-11 | 2011-01-12 | 河南电力试验研究院 | On-line detecting device for operating characteristic of circuit breaker based on photographic digitization |
| CN203929934U (en) * | 2014-06-17 | 2014-11-05 | 国家电网公司 | Distribution automation FTU terminal device combined debugging platform |
| CN204903721U (en) * | 2015-08-31 | 2015-12-23 | 中国西电电气股份有限公司 | Circuit breaker predelivery test device |
| CN107202928A (en) * | 2017-06-22 | 2017-09-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of automatic throw-in equipment of emergency power supply mimic-disconnecting switch |
| CN210535573U (en) * | 2019-12-09 | 2020-05-15 | 弘乐集团有限公司 | Interlocking device of vacuum circuit breaker |
| CN211180171U (en) * | 2019-12-09 | 2020-08-04 | 武汉大洋义天科技股份有限公司 | Circuit breaker simulation device based on electrical characteristics and dynamic characteristics |
| CN211826183U (en) * | 2019-10-16 | 2020-10-30 | 广西电网有限责任公司玉林北流供电局 | Novel simple simulation circuit breaker |
| CN214150891U (en) * | 2020-11-16 | 2021-09-07 | 云南电网有限责任公司昆明供电局 | Simulation circuit breaker with action voltage |
| CN114487799A (en) * | 2021-12-23 | 2022-05-13 | 国网浙江省电力有限公司临海市供电公司 | Simplify cubical switchboard mechanical characteristic test auxiliary device of wiring |
-
2022
- 2022-07-01 CN CN202210762944.7A patent/CN114839526B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090243620A1 (en) * | 2008-03-26 | 2009-10-01 | Satin American Corporation | Method for testing circuit breakers |
| CN201707032U (en) * | 2010-06-11 | 2011-01-12 | 河南电力试验研究院 | On-line detecting device for operating characteristic of circuit breaker based on photographic digitization |
| CN203929934U (en) * | 2014-06-17 | 2014-11-05 | 国家电网公司 | Distribution automation FTU terminal device combined debugging platform |
| CN204903721U (en) * | 2015-08-31 | 2015-12-23 | 中国西电电气股份有限公司 | Circuit breaker predelivery test device |
| CN107202928A (en) * | 2017-06-22 | 2017-09-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of automatic throw-in equipment of emergency power supply mimic-disconnecting switch |
| CN211826183U (en) * | 2019-10-16 | 2020-10-30 | 广西电网有限责任公司玉林北流供电局 | Novel simple simulation circuit breaker |
| CN210535573U (en) * | 2019-12-09 | 2020-05-15 | 弘乐集团有限公司 | Interlocking device of vacuum circuit breaker |
| CN211180171U (en) * | 2019-12-09 | 2020-08-04 | 武汉大洋义天科技股份有限公司 | Circuit breaker simulation device based on electrical characteristics and dynamic characteristics |
| CN214150891U (en) * | 2020-11-16 | 2021-09-07 | 云南电网有限责任公司昆明供电局 | Simulation circuit breaker with action voltage |
| CN114487799A (en) * | 2021-12-23 | 2022-05-13 | 国网浙江省电力有限公司临海市供电公司 | Simplify cubical switchboard mechanical characteristic test auxiliary device of wiring |
Non-Patent Citations (2)
| Title |
|---|
| 夏宁等: "高压直流真空断路器安全开距的试验研究", 《高电压技术》 * |
| 龙徐: "一种基于磁保持继电器的模拟断路器", 《科技与创新》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114839526B (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109887368B (en) | Medium-voltage switch cabinet simulation training platform and logic judgment method of programmable logic controller of medium-voltage switch cabinet simulation training platform | |
| CN104897986A (en) | Backup power automatic switching device intelligent calibration system with good detection effect | |
| CN111123160A (en) | Fault positioning method and device for secondary circuit of switch cabinet mechanism | |
| CN108198477A (en) | Electrical test of transformer simulation teaching system | |
| CN114839526B (en) | Circuit breaker characteristic test platform | |
| CN112083262A (en) | Spare power automatic switching rapid testing device | |
| CN107202928B (en) | Automatic switching-on device analog circuit breaker of standby power supply | |
| CN204613737U (en) | Switch analogue means | |
| CN211826183U (en) | Novel simple simulation circuit breaker | |
| CN209947134U (en) | Simulation training platform for secondary control loop of medium-voltage switch cabinet | |
| CN206573687U (en) | Arc current detection means under a kind of primary cut-out simulated defect | |
| CN210722065U (en) | Fault simulation display device | |
| CN114779060A (en) | Anti-tripping loop tester and method | |
| CN108054058B (en) | Control monitoring circuit for breaker spring energy storage | |
| CN206431880U (en) | Three-phase low-voltage fault searches training set | |
| CN108594797A (en) | System type power supply master control borad, driving board checking device and its detection method | |
| CN218158074U (en) | Simulation test system for permanent magnet driving module | |
| CN211455045U (en) | Spare power automatic switching simulation teaching screen | |
| CN218004253U (en) | Fault operation simulation teaching device | |
| CN213750122U (en) | Relay protection device tester | |
| CN104575198A (en) | Circuit fault setting equipment | |
| CN109637309A (en) | A kind of circuit failure simulation experimental system | |
| CN214252511U (en) | Bluetooth circuit breaker detecting system | |
| CN213689875U (en) | Testing device for simulating open circuit or broken circuit of battery | |
| CN213181921U (en) | Spare power automatic switching test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |