CN209894928U - Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker - Google Patents
Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker Download PDFInfo
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- CN209894928U CN209894928U CN201920304228.8U CN201920304228U CN209894928U CN 209894928 U CN209894928 U CN 209894928U CN 201920304228 U CN201920304228 U CN 201920304228U CN 209894928 U CN209894928 U CN 209894928U
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Abstract
The utility model relates to a relay protection device inspection technical field is a device of simulation 10kV high pressure vacuum permanent magnetism circuit breaker, and it includes box, operating panel and sets up remote control divide-shut brake circuit, manual control divide-shut brake circuit in the box and is used for switching over the change over switch in remote control divide-shut brake circuit and manual control divide-shut brake circuit, operating panel fixed mounting is on the front of box, remote control divide-shut brake circuit includes single-pole double throw switch, first current-limiting resistor, second current-limiting resistor and relay, and change over switch's input electricity is connected with voltage level and is 110V pulse signal remote control case or voltage level and is 220V pulse signal's remote control case etc.. The utility model has reasonable and compact structure, and can selectively switch on the remote control opening and closing circuit or the manual control opening and closing circuit through the switching of the double-pole double-throw switch; the single-pole double-throw switch selects a remote control box which is connected in series with corresponding resistors to match two voltage levels of 110V or 220V.
Description
Technical Field
The utility model relates to a relay protection device inspection technical field is a simulation 10kV high pressure vacuum permanent magnetism circuit breaker's device.
Background
At present, before a matched control box of a 10kV high-voltage vacuum permanent magnet circuit breaker is installed on a column for use, tests such as relay protection debugging, on-site operation and the like are required to be carried out so as to ensure that the circuit can be effectively protected from safe operation after the matched control box is installed on a site. 10kV high-voltage vacuum permanent magnet circuit breaker manufacturers and models in the domestic market are various, and because aviation cable interfaces of circuit breaker bodies and control boxes of different manufacturers are different, equipment of different manufacturers is difficult to achieve complete compatible use. When new equipment is intensively debugged, the problems are generally carried out by matching with a breaker body with a matched model. And the circuit breaker body is large in size, heavy in weight and inconvenient to carry.
When the control box installed on the column is debugged in a protection function or overhauled, the control box can be tested only after the power of a line is cut, the power supply quality of a user is directly influenced, and the control box is contrary to the aim of pushing a national power grid to carry out high-quality power supply. Therefore, the protection function of the control box needs to be debugged or the fault is required to be overhauled in other modes under the condition that the power of a line is guaranteed not to be cut off. In the past, the common method is to transport the circuit breaker body to the same model on site and use an aviation cable to connect a control box for work. However, the 10kV high-voltage vacuum permanent magnet circuit breaker body is heavy, and enough personnel and special vehicles are required to carry the circuit breaker back and forth, so that the field operation cost is directly improved, and the operation efficiency is reduced.
Disclosure of Invention
The utility model provides a simulation 10kV high pressure vacuum permanent magnetism circuit breaker's device has overcome above-mentioned prior art not enough, and it can effectively be solved current 10kV high pressure vacuum permanent magnetism circuit breaker quality heavy, inconvenient transport, problem that the operating efficiency is low.
The technical scheme of the utility model is realized through following measure: a device for simulating a 10kV high-voltage vacuum permanent magnet circuit breaker comprises a box body 1, an operation panel 2, a remote control opening and closing loop, a manual control opening and closing loop and a change-over switch, wherein the remote control opening and closing loop and the manual control opening and closing loop are arranged in the box body 1, the change-over switch is used for switching the remote control opening and closing loop and the manual control opening and closing loop, the operation panel 2 is fixedly arranged on the front face of the box body 1, the remote control opening and closing loop comprises a single-pole double-throw switch KK1, a first current-limiting resistor R1, a second current-limiting resistor R2 and a relay RL, the input end of the change-over switch is electrically connected with a remote control box with a voltage grade of 110V pulse signals or a remote control box with a voltage grade of 220V pulse signals, the first output end of the change-over switch is connected with the input end of a single-pole double-throw switch KK1, the second output end of the change-over switch is connected with the, the second output end of the single-pole double-throw switch KK1 is connected with one end of a second current-limiting resistor R2 in series, the other end of the first current-limiting resistor R1 and the other end of the second current-limiting resistor R2 are both connected with a relay RL coil, a normally closed contact of the relay RL is used for indicating a closing signal, and a normally open contact of the relay is used for indicating a switching-off signal.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the operation panel is provided with a three-phase secondary voltage input wiring terminal, a three-phase secondary current input wiring terminal and a three-phase secondary voltage cable interface, wherein the three-phase secondary voltage input wiring terminal, the three-phase secondary current input wiring terminal and the three-phase secondary voltage cable interface are all switching interfaces.
The transfer switch is a double-pole double-throw switch, the manual control opening and closing loop is composed of a double-pole double-throw switch, a closing button, a separating button and a relay, a first output contact of the double-pole double-throw switch is connected with a first end of the relay coil through the closing button, a second output contact of the double-pole double-throw switch is connected with a second end of the relay coil through the separating button, a third output contact of the double-pole double-throw switch is connected with the second end of the relay coil, and a fourth output contact of the double-pole double-throw switch is connected with the first end of the relay coil.
The operating panel is also provided with a closing indicator lamp and a separating indicator lamp, the separating indicator lamp is connected with the normally open contact of the relay, and the closing indicator lamp is connected with the normally closed contact of the relay.
The switching-on indicator lamp is a light-emitting diode emitting red light, and the switching-off indicator lamp is a light-emitting diode emitting green light.
The utility model has reasonable and compact structure and convenient use, and can selectively switch on a remote control opening and closing circuit or a manual control opening and closing circuit through the switching of the double-pole double-throw switch; and a remote control box which is connected in series with two voltage grades of corresponding resistance matching 110V pulse signals and 220V pulse signals is selected by adopting a switching single-pole double-throw switch mode. When the double-pole double-throw switch is switched to the remote control opening and closing control loop and the relay protection tester outputs three-phase secondary voltage, three-phase secondary current and zero sequence current, the remote control box displays a primary or secondary value in real time. After the remote control box inputs a corresponding fixed value and the relay protection tester loads current larger than the fixed value, the remote control box protects an outlet and trips off a magnetic holding relay of the device; when the magnetic latching relay obtains a switching-off signal, the action switching contact is changed into a position by the closing position, the red switching-on indicating lamp is turned off, and the green switching-off indicating lamp is turned on. When the double-pole double-throw switch is switched to a manual control opening and closing loop, an opening button on an operation panel is manually pressed, a magnetic holding relay is changed from an open position to an open position, a red closing indicator lamp is turned off, and a green opening indicator lamp is turned on; on the contrary, the magnetic holding relay is changed from open position to closed position, the green open-brake indicator light is turned off, and the red close-brake indicator light is turned on.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the operation panel of the present invention.
Fig. 3 is a block diagram of the switching-on/off control circuit of the present invention.
Fig. 4 is a circuit diagram of the remote control opening and closing circuit of the present invention.
Fig. 5 is a circuit diagram of the manual control opening and closing circuit of the present invention.
The codes in the figures are respectively: 1 is the box, 2 is operating panel, Ua, Ub, Uc, Un are three-phase secondary voltage terminal respectively, Ia, Ib, Ic, In are three-phase secondary current terminal respectively, Io is the zero sequence current terminal, com is the public terminal, F is the breaking signal terminal, H is closing signal terminal, KK1 is the single-pole double-throw switch, ZK1 is the double-pole double-throw switch, S1 is closing button, S2 is the breaking button, D1 is closing indicator lamp, D2 is the breaking indicator lamp, Q1 is charging switch, R1 is first current limiting resistor, R2 is second current limiting resistor, RL is the relay.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached figures 1, 2, 3 and 4, the device for simulating a 10kV high-voltage vacuum permanent-magnet circuit breaker comprises a box body 1, an operation panel 2, and a remote control switching-closing loop, a manual control switching-closing loop and a change-over switch for switching the remote control switching-closing loop and the manual control switching-closing loop which are arranged in the box body 1, wherein the operation panel 2 is fixedly arranged on the front surface of the box body 1, the remote control switching-closing loop comprises a single-pole double-throw switch KK1, a first current-limiting resistor R1, a second current-limiting resistor R2 and a relay RL, the input end of the change-over switch is electrically connected with a remote control box for a pulse signal with a voltage grade of 110V or a remote control box for a pulse signal with a voltage grade of 220V, the first output end of the change-over switch is connected with the input end of the single-pole double-throw switch KK1, the, the first output end of single-pole double-throw switch KK1 and first current-limiting resistor R1 one end series connection, single-pole double-throw switch KK1 second output and second current-limiting resistor R2 one end series connection, the first current-limiting resistor R1 other end and second current-limiting resistor R2 other end all with relay RL coil connection, relay RL normally closed contact is used for instructing combined floodgate signal, relay normally open contact is used for instructing the signal of separating brake.
According to needs, the single-pole double-throw switch KK1 can also be arranged on the operation panel 2, so that the operation of workers is facilitated. The single-pole double-throw switch KK1 is used for switching the voltage grade of the remote control divide-shut brake circuit, when the single-pole double-throw switch KK1 is switched to 110V, the utility model discloses can only connect the remote control case that the voltage grade is 110V, the remote control case provides 110V pulse signal to the remote control divide-shut brake circuit this moment; on the contrary, the single-pole double-throw switch KK1 is connected with a 220V remote control box, and the remote control box provides a 220V pulse signal for the remote control opening and closing circuit.
The utility model discloses a relay can adopt 12V magnetism to keep type relay, operating panel 2 is last to be provided with combined floodgate signal wiring end H and separating brake signal wiring end F, combined floodgate signal wiring end H and separating brake signal wiring end F will be divided, the signal feedback after the combined floodgate execution to the remote control case after through the aviation cable connection with the auxiliary contact (normally open contact and normally closed contact) of magnetism to keep type relay respectively. The magnetic holding type relay can also keep the on-off action state in a passive mode, can directly avoid signal relay, and reduces the effective action time of the relay.
The utility model can be provided with a power supply charging module according to the requirement, an external AC 220V power supply interface is configured, and the power can be supplied to the utility model and the storage battery can be charged by the DC 24V power supply charging module; when the external alternating current 220V power supply is disconnected, the function of automatically switching the lead storage battery can be realized, and the power supply of the utility model is kept continuous.
The device for simulating the 10kV high-voltage vacuum permanent magnet circuit breaker can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the operation panel 2 is provided with a three-phase secondary voltage input terminal, a three-phase secondary current input terminal, and a three-phase secondary voltage cable interface J, wherein the three-phase secondary voltage input terminal, the three-phase secondary current input terminal, and the three-phase secondary voltage cable interface J are all switching interfaces.
According to the needs of actual test, the utility model discloses can be provided with on the preceding operating panel 2 of box switch Q1, three-phase secondary current terminal (Ia, Ib, Ic, In), three-phase secondary voltage terminal (Ua, Ub, Uc, Un), zero sequence current terminal Io, common terminal com, separating brake signal wiring end F and combined floodgate signal wiring end H etc.. The utility model discloses a box 1 sets up to open-close type box 1, preceding operating panel 2 that sets up In box 1, and box 1 opens the back, connects relay protection tester and remote control case through cable interface electricity respectively, is about to the three-phase secondary current terminal (Ia, Ib, Ic, In) of relay protection tester, three-phase secondary voltage terminal (Ua, Ub, Uc, Un), zero sequence current terminal Io respectively with the utility model discloses a three-phase secondary current terminal (Ia, Ib, Ic, In), three-phase secondary voltage terminal (Ua, Ub, Uc, Un), zero sequence current terminal etc. are connected through the wire, three-phase secondary voltage terminal, three-phase secondary current terminal here: a work exactness for connecting the relay protection tester, with the three-phase secondary voltage and the three-phase secondary current of relay protection tester output the utility model discloses input to remote control case after the switching, each relevant component in the test remote control case. The utility model discloses a three-phase secondary voltage cable interface: used in the utility model discloses be connected with remote control box's three-phase secondary voltage cable interface.
As shown in fig. 1, 2, 3, and 5, the switch is a double-pole double-throw switch ZK1, the manual control switching loop is composed of a double-pole double-throw switch ZK1, a closing button S1, a separating button S2, and a relay RL, a first output contact of the double-pole double-throw switch ZK1 is connected to a first end of the relay RL coil through the closing button S1, a second output contact of the double-pole double-throw switch ZK1 is connected to a second end of the relay RL coil through the separating button S2, a third output contact of the double-pole double-throw switch ZK1 is connected to a second end of the relay RL coil, and a fourth output contact of the double-pole double-throw switch ZK1 is connected to a first end of the relay RL coil.
The utility model discloses a double pole double throw switch ZK 1's first output contact and third output contact linkage constitute combined floodgate return circuit after being connected with the relay, and second output contact and fourth output contact linkage constitute the separating brake return circuit after being connected with the relay. The utility model can selectively access the pulse signal of the remote control box or the manual opening and closing button and the closing button through the switching of the double-pole double-throw switch ZK1, thereby realizing the remote automatic control opening and closing circuit or the manual control opening and closing circuit of the remote control box; and a switching single-pole double-throw switch KK1 mode is adopted to select a remote control box which is connected in series with a corresponding resistor and matched with the voltage grade of a 110V pulse signal or a remote control box with the voltage grade of a 220V pulse signal.
According to the actual work requirement, the closing button S1, the opening button S2 and the double-pole double-throw switch ZK1 can be arranged on the operation panel 2, so that the operation of workers is facilitated.
As shown in fig. 1, 2, 4 and 5, the operation panel 2 is further provided with a closing indicator lamp D1 and an opening indicator lamp D2, the opening indicator lamp D2 is connected to the normally open contact of the relay RL, and the closing indicator lamp D1 is connected to the normally closed contact of the relay RL.
When the double-pole double-throw switch is switched to the remote control opening and closing control loop and the relay protection tester outputs three-phase secondary voltage, three-phase secondary current and zero sequence current, the remote control box displays a primary or secondary value in real time. After the remote control box inputs a corresponding fixed value and the relay protection tester loads current larger than the fixed value, the remote control box protects an outlet and trips a magnetic holding type relay RL of the device; when the magnetic holding relay RL receives the opening signal, the contact is switched from the closed position to the open position, the closing indicator lamp D1 is turned off, and the opening indicator lamp D2 is turned on. When the double-pole double-throw switch ZK1 is switched to a manual control switching-on/off loop, a switching-off button S2 on the operation panel 2 is manually pressed, the magnetic holding relay RL is changed from a switching-on position to a switching-off position, the switching-on indicator lamp D1 is turned off, and the switching-off indicator lamp D2 is turned on; on the contrary, the magnetic holding relay RL changes from open to closed, the opening indicator lamp D2 is turned off, and the closing indicator lamp D1 is turned on.
As shown in fig. 4 and 5, the closing indicator light D1 is a light emitting diode emitting red light, and the opening indicator light D2 is a light emitting diode emitting green light.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (7)
1. A device for simulating a 10kV high-voltage vacuum permanent-magnet circuit breaker is characterized by comprising a box body, an operation panel, a remote control opening and closing loop, a manual control opening and closing loop and a change-over switch, wherein the remote control opening and closing loop and the manual control opening and closing loop are arranged in the box body, the operation panel is fixedly arranged on the front face of the box body, the remote control opening and closing loop comprises a single-pole double-throw switch, a first current-limiting resistor, a second current-limiting resistor and a relay, the input end of the change-over switch is electrically connected with a remote control box of a 110V pulse signal or a remote control box of a 220V pulse signal, the first output end of the change-over switch is connected with the input end of the single-pole double-throw switch, the second output end of the change-over switch is connected with the input end of the manual control opening and closing loop, and the first output end of the single-pole double, the second output end of the single-pole double-throw switch is connected with one end of a second current-limiting resistor in series, the other end of the first current-limiting resistor and the other end of the second current-limiting resistor are both connected with a relay coil, a normally closed contact of a relay RL is used for indicating a closing signal, and a normally open contact of the relay is used for indicating a switching-off signal.
2. The apparatus of claim 1, wherein the operation panel is provided with a three-phase secondary voltage input terminal, a three-phase secondary current input terminal, and a three-phase secondary voltage cable interface, and the three-phase secondary voltage input terminal, the three-phase secondary current input terminal, and the three-phase secondary voltage cable interface are all switching interfaces.
3. The apparatus of claim 1 or 2, wherein the switch is a double-pole double-throw switch, the manual control switch-on/off circuit comprises a double-pole double-throw switch, a switch-on button, a switch-off button and a relay, a first output contact of the double-pole double-throw switch is connected with a first end of the relay coil through the switch-on button, a second output contact of the double-pole double-throw switch is connected with a second end of the relay coil through the switch-off button, a third output contact of the double-pole double-throw switch is connected with the second end of the relay coil, and a fourth output contact of the double-pole double-throw switch is connected with the first end of the relay coil.
4. The device for simulating the 10kV high-voltage vacuum permanent magnet circuit breaker according to claim 1 or 2, wherein the operation panel is further provided with a closing indicator lamp and a separating indicator lamp, the separating indicator lamp is connected with the normally open contact of the relay, and the closing indicator lamp is connected with the normally closed contact of the relay.
5. The device for simulating the 10kV high-voltage vacuum permanent magnet circuit breaker according to claim 3, wherein the operation panel is further provided with a closing indicator lamp and a separating indicator lamp, the separating indicator lamp is connected with the normally open contact of the relay, and the closing indicator lamp is connected with the normally closed contact of the relay.
6. The apparatus of claim 4, wherein the switch-on indicator light is a light emitting diode emitting red light, and the switch-off indicator light is a light emitting diode emitting green light.
7. The apparatus of claim 5, wherein the closing indicator is a light emitting diode emitting red light and the opening indicator is a light emitting diode emitting green light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304228.8U CN209894928U (en) | 2019-03-11 | 2019-03-11 | Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304228.8U CN209894928U (en) | 2019-03-11 | 2019-03-11 | Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker |
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| CN209894928U true CN209894928U (en) | 2020-01-03 |
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| CN201920304228.8U Active CN209894928U (en) | 2019-03-11 | 2019-03-11 | Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker |
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| CN (1) | CN209894928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115019581A (en) * | 2022-06-08 | 2022-09-06 | 广东电网有限责任公司 | Distribution network automation simulation training system and method |
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2019
- 2019-03-11 CN CN201920304228.8U patent/CN209894928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115019581A (en) * | 2022-06-08 | 2022-09-06 | 广东电网有限责任公司 | Distribution network automation simulation training system and method |
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