CN214848431U - Plug-in circuit breaker with electric quantity monitoring module - Google Patents

Plug-in circuit breaker with electric quantity monitoring module Download PDF

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Publication number
CN214848431U
CN214848431U CN202120749961.8U CN202120749961U CN214848431U CN 214848431 U CN214848431 U CN 214848431U CN 202120749961 U CN202120749961 U CN 202120749961U CN 214848431 U CN214848431 U CN 214848431U
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China
Prior art keywords
plug
circuit breaker
monitoring module
secondary wire
plate
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CN202120749961.8U
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Chinese (zh)
Inventor
陈铭杰
戴超
秦钢华
顾晓伟
赵盼庆
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Changshu Guorui Technology Co ltd
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Changshu Guorui Technology Co ltd
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Priority to CN202120749961.8U priority Critical patent/CN214848431U/en
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Abstract

The utility model provides a bayonet circuit breaker with electric quantity monitoring module can solve the defect that current electric quantity monitoring module's mounting means brought, and even have inside annex and also need not the wiring when can realizing quick installation, changing the circuit breaker body. This plug-in circuit breaker includes: the circuit breaker comprises a circuit breaker body and a plug-in mounting table, wherein an electric quantity monitoring module is arranged in the plug-in mounting table; and a secondary wire connecting terminal is also arranged in the plug-in mounting platform, external wires of the electric quantity monitoring module are connected to the secondary wire connecting terminal, and external connecting wires of the secondary wire connecting terminal are led out through a wire outlet on the plug-in mounting platform. The breaker body is provided with a secondary wire aligning plate A; the wiring of the internal accessory of the circuit breaker body is respectively connected with the secondary wire connection plate A; and a secondary wire pair connecting plate B is arranged in the plug-in mounting table, and when the breaker body is plugged into the plug-in mounting table, the secondary wire pair connecting plate B is butted with the secondary wire pair connecting plate A to realize the connection of a secondary circuit.

Description

Plug-in circuit breaker with electric quantity monitoring module
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to bayonet circuit breaker with electric quantity monitoring module.
Background
The plastic shell type circuit breaker (short for plastic shell circuit breaker) mainly comprises a plastic shell, a contact system, an arc extinguishing system, an operating mechanism, an overcurrent release and the like; the overcurrent release is divided into a thermomagnetic release and an electronic release; the thermomagnetic release can only realize overload protection and short-circuit protection of current through a mechanical structure and cannot detect electric quantity parameters; the electronic release mainly aims at realizing a quick protection function, so that the measurement of the current only meets the measurement precision required by protection within a certain range; due to the limitation of volume, the electronic release of the molded case circuit breaker is difficult to realize the functions of monitoring voltage, frequency, power, harmonic wave and other electrical parameters, fault recording and the like.
Plastic case circuit breakers are generally installed in a fixed manner, i.e., fixed circuit breakers; the fixed circuit breaker is a wiring terminal direct connection of a busbar and a circuit breaker body 6, as shown in fig. 1, the busbar 1 is directly connected to a circuit breaker wiring terminal 5. When circuit breaker body 6 needs to be changed, need break off the preceding stage circuit breaker of this circuit breaker, then arrange 1 back of demolising six roots of chinese paris, just can pull down circuit breaker body 6 and change. If the circuit breaker takes inside annex, still need to dismantle the back with inside annex wiring of circuit breaker is whole, could pull down the change with circuit breaker body 6.
The plug-in circuit breaker is a wiring mode which is convenient for replacing a circuit breaker body, and the wiring installation of the plug-in circuit breaker is shown in figure 2. During installation, the plug-in mounting table 3 is fixed, and then the six busbars 1 are fixed on the mounting table wiring terminal 2. When the breaker body 6 is inserted onto the plug-in mounting table 3, the plug 4 of the plug-in mounting table 3 is connected with the socket of the breaker body 6, thereby realizing the connection of the conductor 1, the mounting table wiring terminal 2, the plug 4 of the plug-in mounting table 3, the socket of the breaker body 6 and the breaker wiring terminal 5. When circuit breaker body 6 need be changed, need not to demolish female arranging 1, (need demolish circuit breaker inside annex wiring when taking inside annex if the circuit breaker), directly pull down circuit breaker set screw, extract circuit breaker body 6, insert another circuit breaker body 6, screw up set screw (if when taking inside annex, need connect circuit breaker inside annex wiring), both can accomplish the change. The circuit breaker body 6 can thus be replaced without disconnecting the upper-stage circuit breaker using the plug-in circuit breaker.
Along with the development of electric quantity monitoring technology and the requirement of remote monitoring, the molded case circuit breaker starts to be configured with an electric quantity monitoring module so as to realize the monitoring of electric quantities such as current, voltage, power, frequency and the like, and realize the functions of remote measurement, remote signaling and the like through communication. In the prior art, aiming at a fixed circuit breaker, an electric quantity monitoring module is arranged at the lower side of the fixed circuit breaker; for a plug-in circuit breaker, the power monitoring module is arranged within the plug-in mounting station 3 of the circuit breaker, as shown in fig. 3.
However, the fixed circuit breaker with electric quantity monitoring module arrangement in the downside of circuit breaker, its electric quantity monitoring module independent installation, main circuit and auxiliary circuit all need to carry out the wiring with the circuit breaker, make the volume of product great, have taken up more space of block terminal, need to have a power failure when needing to change the circuit breaker, and the wiring of taking out stitches is very troublesome.
The plug-in circuit breaker with the electric quantity monitoring module arranged in the plug-in mounting table of the circuit breaker is characterized in that the electric quantity monitoring device 9 is arranged in the plug-in mounting table 3, so that the circuit breaker is added with an electric quantity monitoring function and the volume is not increased much. However, the following drawbacks of the circuit breaker structure still exist: when the circuit breaker body is provided with various internal accessories (such as an auxiliary contact, an alarm contact, a shunt release and the like), the circuit breaker can be replaced by removing the wiring of the internal accessories while replacing the circuit breaker, so that the advantage that the plug-in circuit breaker can be replaced in a live mode cannot be embodied on the wiring of the accessories; simultaneously, the external connection terminals such as the communication line and the power line of the electric quantity monitoring module 9 are arranged on the right side of the electric quantity monitoring module 9 (as shown in fig. 3), so that a plurality of circuit breakers can not be installed side by side (as shown in fig. 4), and when the circuit breakers are installed in various distribution boards or distribution boxes, the space is more occupied, and the installation quantity of the circuit breakers in the same space is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a plug-in circuit breaker with electric quantity monitoring module can solve the defect that the mounting means of current electric quantity monitoring module brought, and the residual space volume of not only make full use of plug-in mount table even have inside annex and also need not the wiring when just can realizing installing fast, changing the circuit breaker body.
The plug-in circuit breaker with the electric quantity monitoring module comprises: a circuit breaker body and a plug-in mounting table,
the electric quantity monitoring module is arranged in the plug-in mounting table; secondary line binding post has still been arranged to bayonet mount table inside, the external line of electric quantity monitoring module all is connected to secondary line binding post, secondary line binding post's external connecting wire passes through outlet on the bayonet mount table is drawn forth.
Preferably, when more than two plug-in circuit breakers are arranged in parallel, the external connecting wires of the secondary wire wiring terminals on each plug-in circuit breaker are led out of the plug-in mounting table and then are interconnected together for further leading out.
Preferably, the breaker body is provided with a secondary wire-to-connecting plate A; the wiring of the accessory in the circuit breaker body is respectively connected with the secondary wire connection plate A;
and a secondary wire pair connecting plate B is arranged in the plug-in mounting table, and when the breaker body is plugged into the plug-in mounting table, the secondary wire pair connecting plate B is in butt joint with the secondary wire pair connecting plate A to realize the connection of a secondary circuit.
Preferably, the secondary wire butt joint plate A is a secondary wire ejector plate; the secondary line thimble plate is provided with thimble holes with the number not less than the wiring number of the accessories inside the circuit breaker body, and the wiring of the accessories inside the circuit breaker body is arranged in the corresponding thimble holes on the secondary line thimble plate one by one;
secondary wire connection thimbles which are in one-to-one correspondence with thimble holes in the secondary wire thimble plate are arranged on the secondary wire connection plate B; when the circuit breaker body is inserted into the plug-in mounting table, the secondary wire connecting ejector pins extend into the ejector pin holes corresponding to the secondary wire ejector pin plates.
Preferably, when the inside annex of circuit breaker body has the external connection, the external connection of the inside annex of circuit breaker body passes through secondary line pair fishplate bar B is connected to secondary line binding post, and rethread secondary line binding post draws forth.
Preferably, the secondary wire connecting thimble and the secondary wire connecting terminal are arranged on the same wiring board.
Preferably, the terminal block is mounted on a charge monitoring module within the plug-in mounting station.
Preferably, the secondary wire connecting thimble and the thimble hole of the secondary wire thimble plate adopt an elastic contact connection mode.
Preferably, the notch on the side surface of the plug-in mounting table is used as an outlet.
Has the advantages that:
(1) the electric quantity monitoring module is arranged in the plug-in mounting table, meanwhile, a secondary wire wiring terminal is arranged in the plug-in mounting table, external wires such as a power wire, a communication wire and a control wire required by the electric quantity monitoring module are connected to the secondary wire wiring terminal together, and a lead wire is led out through a notch on the side face of the plug-in mounting table by the secondary wire wiring terminal; this enables a plurality of circuit breakers to be mounted side by side without gaps.
(2) The electric quantity monitoring module and the circuit breaker body are elastically butted through the secondary wire thimble plate and the secondary wire connecting thimble, and the connection and the separation of a secondary loop can be realized without disassembling and assembling a wiring; therefore, when the breaker body is replaced, the secondary wiring of accessories inside the breaker body is not required to be disassembled and assembled, and great convenience is brought to the replacement of the breaker.
Drawings
Fig. 1 is a schematic structural diagram of a conventional fixed circuit breaker;
fig. 2 is a schematic view of a conventional plug-in circuit breaker;
fig. 3 is a schematic diagram of an arrangement of a power monitoring module in a conventional plug-in circuit breaker;
fig. 4 is a schematic diagram illustrating a defect caused by the arrangement of a power monitoring module in a conventional plug-in circuit breaker;
fig. 5 is a schematic diagram of the overall structure of the plug-in circuit breaker with a power monitoring module according to the present invention;
fig. 6 is a schematic view of the back of the circuit breaker body equipped with the secondary wire thimble plate of the present invention;
fig. 7 is a schematic structural view of an installation table of the plug-in circuit breaker with a power monitoring module according to the present invention;
figure 8 is adopting the utility model discloses a plug-in circuit breaker with electric quantity monitoring module can realize the schematic diagram of the gapless installation side by side of circuit breaker.
Wherein: 1-busbar, 2-mounting table wiring terminal, 3-plug-in mounting table, 4-plug, 5-breaker wiring terminal, 6-breaker body, 7-secondary line thimble plate, 8-secondary line connection thimble, 9-electric quantity monitoring module, 10-secondary line wiring terminal, 11-outlet port, 12-connection lead
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
For making the bayonet circuit breaker of electrified volume monitoring module can install side by side and fully embody bayonet circuit breaker quick replacement's advantage, this embodiment provides a bayonet mount table with electric quantity monitoring module, with behind the bayonet mount table residual space volume make full use of, even have inside annex also need not the wiring when can realizing quick installation, the change circuit breaker body of electrified volume monitoring module circuit breaker.
As shown in fig. 5, the overall structure of the plug-in circuit breaker with the power monitoring module is divided into two parts, which are respectively arranged on the side of the circuit breaker and the side of the mounting table;
as shown in fig. 6, the breaker side includes: a breaker body 6 and a secondary wire thimble plate 7; a secondary wire ejector plate 7 is arranged on a butt joint surface of the breaker body 6 and the mounting table side (namely the back of the breaker body 6); the wiring of the accessories (such as an auxiliary contact, an alarm contact, a shunt release and the like) in the circuit breaker body 6 is respectively connected with a secondary wire ejector plate 7; the method specifically comprises the following steps: the secondary line thimble plate 7 is provided with corresponding thimble holes according to the number of the connecting wires, and the connecting wires of the accessories inside the circuit breaker body 6 are arranged in the corresponding thimble holes on the secondary line thimble plate 7 one by one.
As shown in fig. 7, the mount table side includes: the electric quantity monitoring module 9, the secondary wire connecting thimble 8, the secondary wire connecting terminal 10 and the plug-in mounting table 3; the electric quantity monitoring module 9 is arranged inside the plug-in mounting table 3 by directly utilizing the space inside the plug-in mounting table 3 (the size of the plug-in mounting table 3 does not need to be increased or the depth of the plug-in mounting table 3 is properly increased according to the size of the electric quantity monitoring module 9 so as to ensure the built-in installation of the electric quantity monitoring module 9); in addition, a wiring board is arranged in the plug-in mounting table 3, and the wiring board is mounted on the electric quantity monitoring module 9 in the plug-in mounting table 3 for saving space; and the wiring board is positioned on the butt joint surface of the plug-in mounting table 3 and the circuit breaker body 6; a secondary wire connecting terminal 10 is arranged on the wiring board, power wires, communication wires, control wires of internal accessories and the like required by the electric quantity monitoring module are connected to the secondary wire connecting terminal 10 together with external wires, and a lead is led out by the secondary wire connecting terminal 10 through a notch on the side surface of the plug-in mounting table 3 (namely, the notch on the side surface of the plug-in mounting table 3 is used as a wire outlet 11); therefore, the circuit breakers can be installed in parallel without gaps, and in the case of installing a plurality of circuit breakers in parallel, as shown in fig. 8, the circuit breakers can be installed in parallel and closely, and the leading-out wires are interconnected among the secondary wire connecting terminals 10 of each parallel circuit breaker and then led out (as shown in fig. 8, connecting wires 12), so that the installation wiring space is saved.
In addition, secondary wire connection thimbles 8 which correspond to thimble holes on the secondary wire thimble plate 7 one by one are arranged on the wiring board; when the breaker body 6 is inserted into the plug-in mounting table 3 with the electric quantity monitoring module, the secondary wire connection thimble 8 on the wiring board extends into the thimble hole corresponding to the secondary wire thimble plate 7. The thimble hole on the secondary wire thimble plate 7 and the secondary wire connecting thimble 8 are in an elastic contact connection mode, and the connection and the separation of a secondary loop can be realized without disassembling and assembling a wiring; an external connecting wire of an internal accessory of the circuit breaker body 6 is connected to a secondary wire connecting terminal 10 through a secondary wire connecting thimble 8 and then led out through the secondary wire connecting terminal 10; therefore, when the breaker body 6 is replaced, the secondary wiring for detaching and installing the accessories inside the breaker body is not needed, and great convenience is brought to the replacement of the breaker.
The utility model discloses not only can draw out secondary line binding post 10 to the external connection of circuit breaker electric quantity monitoring module 9, also can draw out the internal accessory of circuit breaker also through secondary line binding post 10 to the external connection, make the circuit breaker of in-band internal accessory also can realize quick replacement.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. Plug-in circuit breaker with electric quantity monitoring module, characterized by, include: a breaker body (6) and a plug-in mounting table (3),
the electric quantity monitoring module (9) is arranged inside the plug-in mounting table (3); secondary line binding post (10) have still been arranged to bayonet mount table (3) inside, electric quantity monitoring module (9) all are connected to external connection line secondary line binding post (10), the external connecting wire of secondary line binding post (10) passes through outlet (11) on bayonet mount table (3) are drawn forth.
2. The plug-in circuit breaker with a power monitoring module as claimed in claim 1, wherein when more than two plug-in circuit breakers are arranged in parallel, the external connecting wires of the secondary wire terminals (10) on each plug-in circuit breaker are led out of the plug-in mounting station (3) and then interconnected together for further lead-out.
3. The plug-in circuit breaker with a charge monitoring module according to claim 1 or 2, characterized in that a secondary line connection board a is provided on the circuit breaker body (6); the wiring of the internal accessory of the circuit breaker body (6) is respectively connected with the secondary wire connection plate A;
and a secondary line pair connecting plate B is arranged in the plug-in mounting table (3), and when the breaker body (6) is inserted into the plug-in mounting table (3), the secondary line pair connecting plate B is butted with the secondary line pair connecting plate A to realize the connection of a secondary circuit.
4. A plug-in circuit breaker with a charge monitoring module according to claim 3, characterized in that the secondary wire butt plate a is a secondary wire ejector plate (7); the secondary line thimble plate (7) is provided with thimble holes with the number not less than that of the wiring of the accessories inside the circuit breaker body (6), and the wiring of the accessories inside the circuit breaker body (6) is arranged in the corresponding thimble holes on the secondary line thimble plate (7) one by one;
secondary wire connecting thimbles (8) which are in one-to-one correspondence with thimble holes on the secondary wire thimble plate (7) are arranged on the secondary wire butt joint plate B; when the breaker body (6) is inserted into the plug-in mounting table (3), the secondary wire connecting ejector pins (8) extend into the ejector pin holes corresponding to the secondary wire ejector pin plates (7).
5. The plug-in type circuit breaker with a power monitoring module according to claim 3, wherein when the accessories inside the circuit breaker body (6) have external wires, the external wires of the accessories inside the circuit breaker body (6) are connected to the secondary wire connecting terminal (10) through the secondary wire connecting plate B and then led out through the secondary wire connecting terminal (10).
6. Plug-in circuit breaker with a charge monitoring module according to claim 4, characterized in that the secondary wire connection spike (8) and the secondary wire connection terminal (10) are arranged on the same terminal block.
7. Plug-in circuit breaker with a charge monitoring module according to claim 6, characterized in that the terminal block is mounted on the charge monitoring module (9) in the plug-in mounting (3).
8. The plug-in circuit breaker with a charge amount monitoring module according to claim 4, characterized in that the secondary wire connection thimble (8) is connected with the thimble hole of the secondary wire thimble plate (7) by elastic contact.
9. Plug-in circuit breaker with a charge monitoring module according to claim 1 or 2, characterized in that the cutout on the side of the plug-in mounting (3) is used as an outlet (11).
CN202120749961.8U 2021-04-13 2021-04-13 Plug-in circuit breaker with electric quantity monitoring module Active CN214848431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120749961.8U CN214848431U (en) 2021-04-13 2021-04-13 Plug-in circuit breaker with electric quantity monitoring module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120749961.8U CN214848431U (en) 2021-04-13 2021-04-13 Plug-in circuit breaker with electric quantity monitoring module

Publications (1)

Publication Number Publication Date
CN214848431U true CN214848431U (en) 2021-11-23

Family

ID=78762384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120749961.8U Active CN214848431U (en) 2021-04-13 2021-04-13 Plug-in circuit breaker with electric quantity monitoring module

Country Status (1)

Country Link
CN (1) CN214848431U (en)

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