CN215219069U - Experimental wiring instrument of portable medium voltage circuit breaker - Google Patents
Experimental wiring instrument of portable medium voltage circuit breaker Download PDFInfo
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- CN215219069U CN215219069U CN202121142420.5U CN202121142420U CN215219069U CN 215219069 U CN215219069 U CN 215219069U CN 202121142420 U CN202121142420 U CN 202121142420U CN 215219069 U CN215219069 U CN 215219069U
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Abstract
The utility model provides a portable medium voltage circuit breaker test wiring tool, which is connected with a circuit breaker, and comprises an aviation plug and a test operation wiring box, wherein the circuit breaker is provided with a circuit breaker aviation plug and a public plug, and the aviation plug are matched with each other; the test operation junction box is connected with the circuit breaker aviation plug male plug after the aviation plug female plug, so that the test operation junction box is connected with the circuit breaker body. The utility model carries out banana plug connection through the banana socket on the fixed panel, replaces the aviation plug test wiring of the dense contact pin, and improves the test wiring efficiency and wiring accuracy; and satisfy the integrated form of circuit breaker auxiliary switch dry contact and measure, carry out signal circuit function verification simultaneously during the experiment, conveniently perfect the maintenance work content.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment test tool, concretely relates to experimental wiring instrument of portable medium voltage circuit breaker.
Background
Electrical switchgear is commonly used in medium voltage distribution systems, the medium voltage circuit breaker of the switchgear generally adopts a trolley form to meet the requirement of shaking in and out operation in the switchgear, and the circuit breaker is connected with the switchgear by aviation plug to realize control and signal feedback.
In a medium voltage circuit breaker periodic overhaul test executed according to the power industry standard, test wiring needs to be performed on a contact pin inserted in the air of the circuit breaker. Because the contact pin is intensive, the wiring is easy to be wrong, the test of a plurality of circuit breakers is repeated, and the working efficiency is low. In addition, the on-off state and the shaking-in and shaking-out state of the circuit breaker are transmitted to the control/monitoring system through the main contact signal of the auxiliary switch, and because the number is large and the wiring is difficult, the regular maintenance test of the medium-voltage circuit breaker generally does not measure the signal circuit one by one, so that the signal circuit of the circuit breaker is lack of regular function verification, and the failure of the main contact of the auxiliary switch causes the abnormal function of alarming or remote control.
Based on the above problems in the prior art, there is a need to design an improved test wiring tool for a medium voltage circuit breaker.
Disclosure of Invention
The utility model aims at designing a portable medium voltage circuit breaker test wiring instrument, realize the experimental correct wiring of circuit breaker fast, promote work efficiency and perfect the maintenance content.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a portable medium-voltage circuit breaker test wiring tool is connected with a circuit breaker and comprises an aviation plug female plug and a test operation wiring box, wherein the circuit breaker is provided with a circuit breaker aviation plug male plug, and the aviation plug female plug is matched with the aviation plug male plug; the test operation junction box is connected with the circuit breaker aviation plug male plug after the aviation plug female plug, so that the test operation junction box is connected with the circuit breaker body.
The circuit breaker is provided with four loops, namely a circuit breaker closing locking loop, a circuit breaker energy storage loop, a circuit breaker closing loop and a circuit breaker opening loop.
Each aviation plug pin is 0.5mm in cross section2The copper core multi-strand flexible cable is connected by soldering, and the other end of the cable is connected to a test operation junction box.
The circuit breaker still is provided with auxiliary switch dry contact, and auxiliary switch dry contact contains 5 kinds of signals: 1) a working position signal, 2) a test position signal, 3) a closing signal, 4) a separating signal and 5) an energy storage position signal. One main contact point of each signal corresponds to two aviation plug pins, the contact pins corresponding to a plurality of main contact points of the same signal are connected in a serial connection mode in an aviation plug female plug to form a closing position closing auxiliary contact serial circuit, a separating position closing auxiliary contact serial circuit, a test position closing auxiliary contact serial circuit, a working position closing auxiliary contact serial circuit and a non-energy-storage position closing auxiliary contact serial circuit, and each signal is finally led out of two 0.5mm auxiliary contacts in the aviation plug male plug2The copper core multi-strand flexible cable is connected to the junction box.
Cable length between aviation plug and experimental operation junction box is 2m, connection distance when satisfying the use.
The test operation junction box was in the shape of a rectangular parallelepiped made of plastic material, with dimensions 250 x 150 x 80mm, and the top panel was used as the junction panel. The wiring panel comprises a wiring and operating area for a switching-on and switching-off test, a signal detection loop wiring area, a measurement bit public end and a power supply negative electrode. The wiring and operation area of the opening and closing test comprises 3 banana sockets and 3 operation buttons of external wiring. The signal detection loop wiring area comprises 5 banana sockets.
Further, the 3 banana sockets in the wiring and operation area of the opening and closing test are respectively a power supply positive banana socket, an external closing signal banana socket and an external opening signal banana socket. The 3 operating buttons are respectively an energy storage self-locking button, a closing button and an opening button. The root of the banana socket with the positive power supply is connected with one end of the energy storage self-locking button, the closing button and the opening button respectively. The other end of the energy storage self-locking button is connected with one end of an energy storage loop of the circuit breaker after being inserted into a female connector and a male connector of the circuit breaker in sequence. The other end of the closing button is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug. The opening button is connected with one end of the opening loop of the breaker after being inserted into the female plug and the male plug of the breaker in sequence.
The power supply positive banana socket is connected with one end of a closing locking loop of the breaker after being sequentially inserted into the aviation plug and the breaker plug. The external closing signal banana socket is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug. The external opening signal banana socket is connected with one end of the opening loop of the breaker after being sequentially inserted into the female plug and the male plug of the breaker through aviation.
The signal detection circuit wiring area comprises a brake separating position signal measurement banana socket, a brake closing position signal measurement banana socket, a test position signal measurement banana socket, a working position signal measurement banana socket and a non-energy storage position signal measurement banana socket. The opening position signal measurement banana socket is connected with one end of the closing position closed auxiliary contact series circuit after sequentially passing through the aviation plug female plug and the breaker male plug. The closing position signal measurement banana socket is connected with one end of the opening position closed auxiliary contact series circuit after sequentially passing through the aviation plug female plug and the breaker male plug. The test position signal measurement banana socket is connected with one end of the test position closed auxiliary contact series circuit after being sequentially inserted into the aviation socket and the breaker male plug. The working position signal measurement banana socket is connected with one end of the working position closed auxiliary contact series circuit after being sequentially inserted into the aviation plug and the breaker plug. The non-energy-storage-position signal measurement banana socket is connected with one end of the non-energy-storage-position closed auxiliary contact series circuit after being sequentially inserted into the aviation plug and the breaker male plug.
The other end of the breaker closing locking loop, the other end of the breaker energy storage loop, the other end of the breaker closing loop and the other end of the breaker opening loop are connected with the negative electrode of the power supply.
The other end of the closing position closing auxiliary contact series module, the other end of the opening position closing auxiliary contact series circuit, the other end of the test position closing auxiliary contact series circuit, the other end of the working position closing auxiliary contact series circuit and the other end of the non-energy-storage position closing auxiliary contact series circuit are connected with the common end of the measuring position.
The utility model discloses a use method as follows:
s1: butting the aviation plug of the tool with the aviation plug of the circuit breaker;
s2: connecting an external part closing signal banana socket of a switching-on and switching-off test wiring area of a wiring box of the tool with a 4mm banana head test wire of a test instrument to realize the energy storage, switching-off and switching-on operations of the test instrument on a circuit breaker;
s3: the banana socket in the wiring area of the wiring box signal detection circuit of the tool is connected with a 4mm banana head test line of the multimeter, the resistance value of the corresponding signal circuit is read under 5 states of opening, closing, working position, test position and energy storage position of the circuit breaker, and the normal opening and closing of the dry contact of the corresponding circuit breaker auxiliary switch is confirmed.
The utility model discloses the beneficial effect who gains does:
banana plug connection is carried out through the banana socket on the fixed panel, test wiring on aerial plugs of dense contact pins is replaced, and test wiring efficiency and wiring accuracy are improved; and satisfy the integrated form of circuit breaker auxiliary switch dry contact and measure, carry out signal circuit function verification simultaneously during the experiment, conveniently perfect the maintenance work content.
Drawings
Fig. 1 is a schematic structural diagram of a test wiring tool of a portable medium voltage circuit breaker.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model provides a portable medium voltage circuit breaker testing wiring tool, which is connected with a circuit breaker and comprises an aviation plug female plug and a testing operation wiring box, wherein the circuit breaker is provided with a circuit breaker aviation plug male plug, and the aviation plug female plug is matched with the aviation plug male plug; the test operation junction box is connected with the circuit breaker aviation plug male plug after the aviation plug female plug, so that the test operation junction box is connected with the circuit breaker body.
The circuit breaker is provided with four loops, namely a circuit breaker closing locking loop, a circuit breaker energy storage loop, a circuit breaker closing loop and a circuit breaker opening loop.
Each aviation plug pin is 0.5mm in cross section2The copper core multi-strand flexible cable is connected by soldering, and the other end of the cable is connected to a test operation junction box.
The circuit breaker still is provided with auxiliary switch dry contact, and auxiliary switch dry contact contains 5 kinds of signals: 1) a working position signal, 2) a test position signal, 3) a closing signal, 4) a separating signal and 5) an energy storage position signal. One main contact point of each signal corresponds to two aviation plug pins, the contact pins corresponding to a plurality of main contact points of the same signal are connected in a serial connection mode in an aviation plug female plug to form a closing position closing auxiliary contact serial circuit, a separating position closing auxiliary contact serial circuit, a test position closing auxiliary contact serial circuit, a working position closing auxiliary contact serial circuit and a non-energy-storage position closing auxiliary contact serial circuit, and each signal is finally led out of two 0.5mm auxiliary contacts in the aviation plug male plug2The copper core multi-strand flexible cable is connected to the junction box.
Cable length between aviation plug and junction box is 2m, connection distance when satisfying the use.
The test operation junction box was in the shape of a rectangular parallelepiped made of plastic material, with dimensions 250 x 150 x 80mm, and the top panel was used as the junction panel. The wiring panel comprises a wiring and operating area for a switching-on and switching-off test, a signal detection loop wiring area, a measurement bit public end and a power supply negative electrode. The wiring and operation area of the opening and closing test comprises 3 banana sockets and 3 operation buttons of external wiring. The signal detection loop wiring area comprises 5 banana sockets.
Further, the 3 banana sockets in the wiring and operation area of the opening and closing test are respectively a power supply positive banana socket, an external closing signal banana socket and an external opening signal banana socket. The 3 operating buttons are respectively an energy storage self-locking button, a closing button and an opening button. The root of the banana socket with the positive power supply is connected with one end of the energy storage self-locking button, the closing button and the opening button respectively. The other end of the energy storage self-locking button is connected with one end of an energy storage loop of the circuit breaker after being inserted into a female connector and a male connector of the circuit breaker in sequence. The other end of the closing button is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug. The opening button is connected with one end of the opening loop of the breaker after being inserted into the female plug and the male plug of the breaker in sequence.
The power supply positive banana socket is connected with one end of a closing locking loop of the breaker after being sequentially inserted into the aviation plug and the breaker plug. The external closing signal banana socket is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug. The external opening signal banana socket is connected with one end of the opening loop of the breaker after being sequentially inserted into the female plug and the male plug of the breaker through aviation.
The signal detection circuit wiring area comprises a brake separating position signal measurement banana socket, a brake closing position signal measurement banana socket, a test position signal measurement banana socket, a working position signal measurement banana socket and a non-energy storage position signal measurement banana socket. The opening position signal measurement banana socket is connected with one end of the closing position closed auxiliary contact series circuit after sequentially passing through the aviation plug female plug and the breaker male plug. The closing position signal measurement banana socket is connected with one end of the opening position closed auxiliary contact series circuit after sequentially passing through the aviation plug female plug and the breaker male plug. The test position signal measurement banana socket is connected with one end of the test position closed auxiliary contact series circuit after being sequentially inserted into the aviation socket and the breaker male plug. The working position signal measurement banana socket is connected with one end of the working position closed auxiliary contact series circuit after being sequentially inserted into the aviation plug and the breaker plug. The non-energy-storage-position signal measurement banana socket is connected with one end of the non-energy-storage-position closed auxiliary contact series circuit after being sequentially inserted into the aviation plug and the breaker male plug.
The other end of the breaker closing locking loop, the other end of the breaker energy storage loop, the other end of the breaker closing loop and the other end of the breaker opening loop are connected with the negative electrode of the power supply.
The other end of the closing position closing auxiliary contact series module, the other end of the opening position closing auxiliary contact series circuit, the other end of the test position closing auxiliary contact series circuit, the other end of the working position closing auxiliary contact series circuit and the other end of the non-energy-storage position closing auxiliary contact series circuit are connected with the common end of the measuring position.
The utility model discloses a use method as follows:
s1: butting the aviation plug of the tool with the aviation plug of the circuit breaker;
s2: connecting an external part closing signal banana socket of a switching-on and switching-off test wiring area of a wiring box of the tool with a 4mm banana head test wire of a test instrument to realize the energy storage, switching-off and switching-on operations of the test instrument on a circuit breaker;
s3: the banana socket in the wiring area of the wiring box signal detection circuit of the tool is connected with a 4mm banana head test line of the multimeter, the resistance value of the corresponding signal circuit is read under 5 states of opening, closing, working position, test position and energy storage position of the circuit breaker, and the normal opening and closing of the dry contact of the corresponding circuit breaker auxiliary switch is confirmed.
The utility model discloses the beneficial effect who gains does:
banana plug connection is carried out through the banana socket on the fixed panel, test wiring on aerial plugs of dense contact pins is replaced, and test wiring efficiency and wiring accuracy are improved; and satisfy the integrated form of circuit breaker auxiliary switch dry contact and measure, carry out signal circuit function verification simultaneously during the experiment, conveniently perfect the maintenance work content.
Claims (10)
1. The utility model provides a portable medium voltage circuit breaker test wiring instrument which characterized in that: the circuit breaker is provided with a circuit breaker aviation plug male plug, and the aviation plug female plug is matched with the aviation plug male plug; the test operation junction box is connected with the circuit breaker aviation plug male plug after the aviation plug female plug, so that the test operation junction box is connected with the circuit breaker body.
2. The portable medium voltage circuit breaker test wiring tool of claim 1, characterized in that: each aviation plug pin is 0.5mm in cross section2The copper core multi-strand flexible cable is connected by soldering, and the other end of the cable is connected to a test operation junction box.
3. The portable medium voltage circuit breaker test wiring tool of claim 2, characterized in that: the circuit breaker is provided with four loops, namely a circuit breaker closing locking loop, a circuit breaker energy storage loop, a circuit breaker closing loop and a circuit breaker opening loop.
4. The portable medium voltage circuit breaker test wiring tool of claim 3, characterized in that: the circuit breaker still is provided with auxiliary switch dry contact, and auxiliary switch dry contact contains 5 kinds of signals: a working bit signal, a test bit signal, a closing signal, an opening signal and an energy storage bit signal; one main contact point of each signal corresponds to two aviation plug pins, the contact pins corresponding to a plurality of main contact points of the same signal are connected in a serial connection mode in an aviation plug female plug to form a closing position closing auxiliary contact serial circuit, a separating position closing auxiliary contact serial circuit, a test position closing auxiliary contact serial circuit, a working position closing auxiliary contact serial circuit and a non-energy-storage position closing auxiliary contact serial circuit, and each signal is finally led out of two 0.5mm auxiliary contacts in the aviation plug male plug2The copper core multi-strand flexible cable is connected to the junction box.
5. The portable medium voltage circuit breaker test wiring tool of claim 4, characterized in that: the test operation junction box is in a cuboid shape made of plastic materials, the size of the test operation junction box is 250 × 150 × 80mm, and the top panel is used as a junction panel; the wiring panel comprises a wiring and operating area for a switching-on and switching-off test, a signal detection loop wiring area, a measurement bit public end and a power supply negative electrode; the connection and operation area of the opening and closing test comprises 3 banana sockets and 3 operation buttons of external connection; the signal detection loop wiring area comprises 5 banana sockets.
6. The portable medium voltage circuit breaker test wiring tool of claim 5, characterized in that: 3 banana sockets in the wiring and operating area of the opening and closing test are respectively a power supply anode banana socket, an external closing signal banana socket and an external opening signal banana socket; the 3 operating buttons are respectively an energy storage self-locking button, a closing button and an opening button; the root of the banana socket with the positive power supply is respectively connected with one end of an energy storage self-locking button, a closing button and an opening button; the other end of the energy storage self-locking button is connected with one end of an energy storage loop of the circuit breaker after sequentially passing through the aviation plug female plug and the circuit breaker male plug; the other end of the closing button is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug; the opening button is connected with one end of the opening loop of the breaker after being inserted into the female plug and the male plug of the breaker in sequence.
7. The portable medium voltage circuit breaker test wiring tool of claim 6, wherein: the power supply positive banana socket is connected with one end of a closing locking loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug; the external closing signal banana socket is connected with one end of a closing loop of the breaker after sequentially passing through the aviation plug female plug and the breaker male plug; the external opening signal banana socket is connected with one end of the opening loop of the breaker after being sequentially inserted into the female plug and the male plug of the breaker through aviation.
8. The portable medium voltage circuit breaker test wiring tool of claim 7, wherein: the signal detection circuit wiring area comprises a brake separating position signal measurement banana socket, a brake closing position signal measurement banana socket, a test position signal measurement banana socket, a working position signal measurement banana socket and a non-energy storage position signal measurement banana socket; the opening position signal measurement banana socket is connected with one end of a closing position closing auxiliary contact series circuit after sequentially passing through an aviation plug female plug and a breaker male plug; the switching-on position signal measurement banana socket is connected with one end of a switching-off position closed auxiliary contact series circuit after sequentially passing through an aviation plug female plug and a breaker male plug; the test position signal measurement banana jack is connected with one end of a test position closed auxiliary contact series circuit after sequentially passing through an aviation plug female plug and a breaker male plug; the working position signal measurement banana jack is connected with one end of a working position closed auxiliary contact series circuit after sequentially passing through an aviation plug female plug and a breaker male plug; the non-energy-storage-position signal measurement banana socket is connected with one end of the non-energy-storage-position closed auxiliary contact series circuit after being sequentially inserted into the aviation plug and the breaker male plug.
9. The portable medium voltage circuit breaker test wiring tool of claim 8, wherein: the other end of the breaker closing locking loop, the other end of the breaker energy storage loop, the other end of the breaker closing loop and the other end of the breaker opening loop are connected with the negative electrode of the power supply.
10. The portable medium voltage circuit breaker test wiring tool of claim 9, wherein: the other end of the closing position closing auxiliary contact series module, the other end of the opening position closing auxiliary contact series circuit, the other end of the test position closing auxiliary contact series circuit, the other end of the working position closing auxiliary contact series circuit and the other end of the non-energy-storage position closing auxiliary contact series circuit are connected with the common end of the measuring position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142420.5U CN215219069U (en) | 2021-05-26 | 2021-05-26 | Experimental wiring instrument of portable medium voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142420.5U CN215219069U (en) | 2021-05-26 | 2021-05-26 | Experimental wiring instrument of portable medium voltage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN215219069U true CN215219069U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121142420.5U Active CN215219069U (en) | 2021-05-26 | 2021-05-26 | Experimental wiring instrument of portable medium voltage circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389920A (en) * | 2022-08-18 | 2022-11-25 | 中核核电运行管理有限公司 | Self-holding verification device for medium-voltage contactor |
-
2021
- 2021-05-26 CN CN202121142420.5U patent/CN215219069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389920A (en) * | 2022-08-18 | 2022-11-25 | 中核核电运行管理有限公司 | Self-holding verification device for medium-voltage contactor |
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