CN220963194U - High-low voltage distribution protection device - Google Patents
High-low voltage distribution protection device Download PDFInfo
- Publication number
- CN220963194U CN220963194U CN202322939183.0U CN202322939183U CN220963194U CN 220963194 U CN220963194 U CN 220963194U CN 202322939183 U CN202322939183 U CN 202322939183U CN 220963194 U CN220963194 U CN 220963194U
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- China
- Prior art keywords
- sealing block
- protection device
- low voltage
- voltage distribution
- cavity
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- 238000007789 sealing Methods 0.000 claims abstract description 73
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 24
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 229920002681 hypalon Polymers 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Breakers (AREA)
Abstract
The utility model discloses a high-low voltage distribution protection device, relates to the technical field of circuit breakers, and aims to solve the problem that oxidation reaction is easy to occur at the interface of the existing circuit breaker and a wire, and the technical scheme is as follows: the high-low voltage distribution protection device comprises a body, wherein a contact system is arranged in the body, a power connection hole is formed in the body, a cavity is formed in the body, a connecting piece connected with a wire is fixedly connected in the cavity, the connecting piece is connected with the contact system, a sealing block capable of closing the power connection hole is slidably connected in the cavity, a threaded hole is formed in the body, a push rod is connected in the threaded hole in a threaded mode, one end of the push rod can be abutted to the side wall of the sealing block, the power connection hole can be closed through matching of the sealing block and the wire, air is prevented from entering the body through the power connection hole, sealing effect is achieved, moisture in the air is prevented from entering the body, oxidation reaction is prevented from occurring at the joint of the wire and the connecting piece, and service life and monitoring effect are prolonged.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a high-low voltage distribution protection device.
Background
In the operation process of the power supply and distribution system, the system faults or abnormal operation states are often caused by insulation damage, improper operation and maintenance, external force damage and other reasons of the electrical equipment, and the most common faults and abnormal operation states in the power supply and distribution system are broken lines, short circuits, grounding and overload.
The protection device comprises a circuit breaker, a fuse and the like, wherein the circuit breaker consists of a contact system, an arc extinguishing system, an operating mechanism, a release, a shell and the like, a counter-force spring is overcome through a magnetic field generated by large current generated during short circuit, the release pulls the operating mechanism to act, a switch is tripped instantaneously, or when overload is caused by excessive electrical equipment, the passing current becomes large, so that the principle of increasing the heating value is achieved, and a bimetallic strip deforms to a certain extent to push the mechanism to act, thereby protecting a power supply system.
However, the interface of the existing circuit breaker and the lead is exposed to the outside, and the air humidity in the south is high, so that the interface of the circuit breaker is easy to generate oxidation reaction in the use process, and poor contact at the connection position is caused.
New solutions are therefore required to address this problem.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide a high-low voltage distribution protection device which can avoid oxidation at the joint of a circuit breaker.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a high-low voltage distribution protection device, includes the body, this internal contact system that is provided with, set up on the body and connect the electric hole, this internal cavity of having offered and having switched on each other with the electric hole that connects, fixedly connected with and be connected with the connecting piece that the wire links to each other and connecting piece and contact system connection in the cavity, but sliding connection has the sealing block of closed electric hole that connects in the cavity, set up threaded hole on the body, threaded hole threaded connection has a push rod and push rod one end can with sealing block lateral wall butt.
Through adopting above-mentioned technical scheme, the wire can extend to in the cavity through the electric hole and be connected with the connecting piece, and be connected with contact system through the connecting piece, make the circuit breaker can normal operating, and make the sealing block be located the cavity through the push rod and take place to slide, until sealing block surface and wire surface laminating, the wire is fixed in the electric hole this moment, and can be closed the electric hole through sealing block and wire cooperation, avoid the air to get into to originally in through the electric hole, the effect of sealing has been played, the steam in the air is avoided getting into this internal junction that leads to wire and connecting piece and takes place oxidation reaction, life has been improved, and because the junction after the oxidation can influence the transmission effect of electric current leads to the circuit breaker to produce misjudgement, consequently above-mentioned scheme can also play the monitoring effect that improves the circuit breaker.
The utility model is further provided with: the connecting piece comprises a mounting block fixedly connected with the cavity, a through groove is formed in the mounting block, a connector is fixedly connected in the through groove, and the connector is connected with the contact system.
Through adopting above-mentioned technical scheme, the logical groove that is located on the installation piece can be used for fixed joint, avoids because the staff can't observe inner structure and leads to the electric in-process joint to take place crookedly, has played the effect that improves the electric effect of connecing, has improved the stability of circuit breaker.
The utility model is further provided with: the longitudinal section of the joint is in a 'back' type arrangement.
Through adopting above-mentioned technical scheme, be the joint that "back" type set up can be at the electric in-process that connects for can form the joint between wire and the joint, play the effect of pre-fixing, thereby be convenient for the staff follow-up consolidate it, improved the practicality.
The utility model is further provided with: the sealing block is provided with a groove, the inner wall of the groove can be attached to the surface of the mounting block, and the sealing block is provided with a limit groove communicated with the groove.
Through adopting above-mentioned technical scheme, the recess can make installation piece and sealing block gomphosis for sealing block can be closed the electric hole that connects, has played the effect that improves sealing block's sealed effect, and through the spacing groove that mutually supports with the wire, can make between sealing block and the wire laminating inseparabler, make the wire fixed more firm, avoid wire and joint separation in the use, improved stability.
The utility model is further provided with: two opposite sliding grooves are formed in the inner side wall of the cavity, a supporting rod is connected in the sliding groove in a sliding mode, one end of the supporting rod is fixedly connected with one side wall of the sealing block, and a reset piece used for driving the sealing block to slide is arranged between the supporting rod and the sliding groove.
Through adopting above-mentioned technical scheme, the spout can restrict the movable range of bracing piece, when the push rod promotes the sealing block and is located the cavity and slide, the bracing piece can play spacing effect to make sealing block atress even, avoid sealing block slip in-process to take place crookedly, when push rod and sealing block separation, can drive sealing block to take place to slide to keeping away from installation piece one side through the piece that resets, thereby make wire and sealing block release the joint, played the effect of being convenient for installer dismantlement.
The utility model is further provided with: the reset piece comprises a spring connected between the support rod and the chute.
Through adopting above-mentioned technical scheme, when the effort of push rod acts on the sealing block and makes the sealing block be located the cavity and take place to slide, the bracing piece is located the spout and takes place to slide, because the effort that produces when the bracing piece slides, the spring takes place to deform this moment, take place to slide to the body outside when the push rod, effort on the sealing block disappears this moment, because the self of spring itself has good elastic resilience ability, therefore the spring resets, thereby it takes place to drive the bracing piece and slide to be located the spout, it takes place the displacement to drive the sealing block through the bracing piece, make it remove the joint with the wire, the effect of being convenient for the staff dismantles the change has been played.
The utility model is further provided with: the sealing block is made of flame-retardant rubber.
Through adopting above-mentioned technical scheme, flame retardant rubber can select neoprene, chlorosulfonated polyethylene, polyvinyl chloride and silicone rubber etc. and it has fire resistance and fire resistance, can avoid leading to the sealing block melting because the junction temperature of wire and joint risees in the equipment operation in-process, has improved sealing block's life.
In summary, the utility model has the following beneficial effects:
Can be closed the electric hole that connects through sealing block and wire cooperation, avoid the air to enter into this in through electric hole that connects, played sealed effect, avoid in the steam in the air gets into this junction that leads to wire and connecting piece and take place oxidation reaction, improved life and monitoring effect.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a cross-sectional view I of the present utility model;
fig. 3 is a second cross-sectional view of the present utility model.
In the figure: 1. a body; 2. a contact system; 3. a power connection hole; 4. a cavity; 5. a sealing block; 6. a threaded hole; 7. a push rod; 8. a mounting block; 9. a through groove; 10. a joint; 11. a groove; 12. a limit groove; 13. a chute; 14. a support rod; 15. and (3) a spring.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings and examples.
The utility model provides a high-low voltage distribution protection device, as shown in fig. 1 and 2, including body 1, be provided with contact system 2 in the body 1, set up on the body 1 and connect electric hole 3, set up the cavity 4 that switches on each other with connect electric hole 3 in the body 1, cavity 4 internal fixation has the connecting piece that links to each other with the wire and connecting piece and contact system 2 are connected, the wire can extend to in the cavity 4 and be connected with the connecting piece through connect electric hole 3, and be connected with contact system 2 through the connecting piece, make circuit breaker can normal operating, sliding connection has sealing block 5 that can close connect electric hole 3 in cavity 4, set up threaded hole 6 on the body 1, threaded hole 6 internal thread connection has a push rod 7 and push rod 7 one end can with sealing block 5 lateral wall butt, make sealing block 5 be located cavity 4 through push rod 7 and take place to slide, until sealing block 5 surface and wire surface laminating, the wire is fixed in connect electric hole 3 this moment, and can be closed with connecting electric hole 3 through sealing block 5 and wire cooperation, avoid the air to get into to body 1 in through connecting piece 3, thereby the wire entering into in the body 1, can also improve the effect that can take place in oxidation reaction leading to the oxidation reaction because of the oxidation of the wire in the body, can also take place, can improve the effect because of the oxidation effect of the circuit breaker is improved.
As shown in fig. 2, the connecting piece includes the installation piece 8 of fixed connection in cavity 4, has seted up logical groove 9 on the installation piece 8, and logical inslot fixedly connected with connects 10, and connects 10 and contact system 2 link to each other, and logical groove 9 that is located on the installation piece 8 can be used for fixed joint 10, avoids because the staff can't observe inner structure and leads to the in-process of connecing the electricity to connect 10 to take place crookedly, has played the effect that improves the electric effect, has improved the stability of circuit breaker.
As shown in fig. 2 and 3, the longitudinal section of the connector 10 is in a 'return' type arrangement, and the connector 10 in the 'return' type arrangement can form a clamping connection between the lead and the connector 10 in the power connection process, so that the pre-fixing effect is achieved, the subsequent reinforcement of workers is facilitated, and the practicability is improved.
As shown in fig. 2, the sealing block 5 is provided with the groove 11, the inner wall of the groove 11 can be attached to the surface of the mounting block 8, the groove 11 can enable the mounting block 8 to be embedded with the sealing block 5, the sealing block 5 can close the power receiving hole 3, the effect of improving the sealing effect of the sealing block 5 is achieved, the sealing block 5 is provided with the limit groove 12 which is mutually communicated with the groove 11, the attachment between the sealing block 5 and the wire can be more compact through the limit groove 12 which is mutually matched with the wire, the wire is fixed more firmly, the wire is prevented from being separated from the connector 10 in the use process, and the stability is improved.
As shown in fig. 2, two opposite sliding grooves 13 are formed in the inner side wall of the cavity 4, a supporting rod 14 is connected in the sliding way in 13, one end of the supporting rod 14 is fixedly connected with one side wall of the sealing block 5, the sliding groove 13 can limit the moving range of the supporting rod 14, when the pushing rod 7 pushes the sealing block 5 to slide in the cavity 4, the supporting rod 14 can play a limiting role, so that the stress of the sealing block 5 is uniform, the sealing block 5 is prevented from being skewed in the sliding process, a reset piece for driving the sealing block 5 to slide is arranged between the supporting rod 14 and the sliding groove 13, and when the pushing rod 7 is separated from the sealing block 5, the sealing block 5 can be driven to slide far away from one side of the mounting block 8 through the reset piece, so that a wire and the sealing block 5 are released from the clamping connection, and the effect of being convenient for an installer to detach is achieved.
As shown in fig. 2, the restoring member includes a spring 15 connected between the supporting rod 14 and the chute 13, when the acting force of the pushing rod 7 acts on the sealing block 5 to enable the sealing block 5 to slide in the cavity 4, the supporting rod 14 slides in the chute 13, due to the acting force generated when the supporting rod 14 slides, the spring 15 deforms, when the pushing rod 7 slides towards the outer side of the body 1, the acting force acting on the sealing block 5 disappears, and due to the good elastic restoring capability of the spring 15, the spring 15 is restored, so that the supporting rod 14 is driven to slide in the chute 13, the supporting rod 14 drives the sealing block 5 to displace, and the clamping connection between the supporting rod and a wire is released, so that the function of facilitating the disassembly and replacement of a worker is achieved.
As shown in fig. 2, the sealing block 5 is made of flame-retardant rubber, and the flame-retardant rubber can be neoprene, chlorosulfonated polyethylene, polyvinyl chloride, silicone rubber and the like, has flame retardance and flame retardance, can avoid melting of the sealing block 5 due to temperature rise of a joint of a wire and the joint 10 in the running process of equipment, and prolongs the service life of the sealing block 5.
Working principle:
When the circuit breaker is connected, the wire is inserted into the electric connection hole 3 along the edge, one end of the wire and the joint 10 form the joint, then the push rod 7 is rotated, because the push rod 7 is in threaded connection with the threaded hole 6, when the push rod 7 rotates, the push rod 7 can displace to one side of the body 1, and accordingly the push rod can push the sealing block 5 to slide until the sealing block 5 and the wire form the joint, the sealing block 5 can close the electric connection hole 3, meanwhile, the supporting rod 14 slides in the sliding groove 13, due to acting force generated when the supporting rod 14 slides, the spring 15 deforms at the moment, when a circuit needs to be replaced, the push rod 7 rotates in the opposite direction, at the moment, the push rod 7 and the sealing block 5 are released from the joint, at the moment, acting force acting on the sealing block 5 disappears, and because the spring 15 has good elastic restoring capability, the spring 15 resets, and drives the supporting rod 14 to slide in the sliding groove 13, and drives the sealing block 5 to displace through the supporting rod 14, so that the clamping with the wire is released from the wire.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. High low voltage distribution protection device, including body (1), be provided with contact system (2), its characterized in that in body (1): the utility model discloses a high-voltage power supply device, including body (1) and connecting hole (3), connect electric hole (3) have been seted up on body (1), offer cavity (4) that switch on each other with electric hole (3) in body (1), fixedly connected with in cavity (4) link to each other with the wire connecting piece and connecting piece are connected with contact system (2), but sliding connection has sealing block (5) of closed electric hole (3) in cavity (4), threaded hole (6) have been seted up on body (1), threaded hole (6) internal thread connection has push rod (7) and push rod (7) one end can with sealing block (5) lateral wall butt.
2. The high-low voltage distribution protection device according to claim 1, wherein: the connecting piece comprises a mounting block (8) fixedly connected with the cavity (4), a through groove (9) is formed in the mounting block (8), a connector (10) is fixedly connected in the through groove (9), and the connector (10) is connected with the contact system (2).
3. The high-low voltage distribution protection device according to claim 2, characterized in that: the longitudinal section of the joint (10) is in a 'back' type arrangement.
4. The high-low voltage distribution protection device according to claim 2, characterized in that: the sealing block (5) is provided with a groove (11), the inner wall of the groove (11) can be attached to the surface of the mounting block (8), and the sealing block (5) is provided with a limit groove (12) communicated with the groove (11).
5. The high-low voltage distribution protection device according to claim 2, characterized in that: two oppositely arranged sliding grooves (13) are formed in the inner side wall of the cavity (4), a supporting rod (14) is connected in the sliding groove (13), one end of the supporting rod (14) is fixedly connected with one side wall of the sealing block (5), and a resetting piece for driving the sealing block (5) to slide is arranged between the supporting rod (14) and the sliding groove (13).
6. The high-low voltage distribution protection device according to claim 5, wherein: the reset piece comprises a spring (15) connected between the supporting rod (14) and the sliding groove (13).
7. The high-low voltage distribution protection device according to claim 1, wherein: the sealing block (5) is made of flame-retardant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322939183.0U CN220963194U (en) | 2023-10-31 | 2023-10-31 | High-low voltage distribution protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322939183.0U CN220963194U (en) | 2023-10-31 | 2023-10-31 | High-low voltage distribution protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963194U true CN220963194U (en) | 2024-05-14 |
Family
ID=91018662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322939183.0U Active CN220963194U (en) | 2023-10-31 | 2023-10-31 | High-low voltage distribution protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963194U (en) |
-
2023
- 2023-10-31 CN CN202322939183.0U patent/CN220963194U/en active Active
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| GR01 | Patent grant |