CN211605058U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
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- CN211605058U CN211605058U CN202020401009.4U CN202020401009U CN211605058U CN 211605058 U CN211605058 U CN 211605058U CN 202020401009 U CN202020401009 U CN 202020401009U CN 211605058 U CN211605058 U CN 211605058U
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- 230000007246 mechanism Effects 0.000 claims description 20
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker, which comprises a circuit breaker body and a relay body; the circuit breaker body also comprises two buckles, one end of one buckle is rotatably connected with the upper end of the side surface where the first wire outlet hole of the first shell is positioned, and one end of the other buckle is rotatably connected with the lower end of the side surface where the first wire outlet hole of the first shell is positioned; the rotating plane of the buckle is vertical to the side surface of the first wire outlet hole; the top surface and the bottom surface of one side of the second shell, which is close to the second wire inlet hole, are provided with clamping grooves; the buckle is kept away from the one end of first shell can be dismantled with the draw-in groove and be connected, and the second plug can insert in the first terminal that goes out the line. Adopt the technical scheme of the utility model the assembly of relay can conveniently be carried out.
Description
Technical Field
The utility model relates to a circuit breaker technical field, in particular to circuit breaker.
Background
The existing circuit breaker main contact is switched on and off by means of manual operation or electric switching on. After the main contact is closed, the free tripping mechanism locks the main contact at the closing position. The coil of the over-current release and the thermal element of the thermal release are connected with the main circuit in series, and the coil of the under-voltage release is connected with the power supply in parallel. When the circuit is short-circuited or seriously overloaded, the armature of the overcurrent release is attracted, so that the free release mechanism acts, and the main contact breaks the main circuit. When the circuit is overloaded, the thermal element of the thermal release heats up to bend the bimetallic strip and push the free release mechanism to act. When the circuit is undervoltage, the armature of the undervoltage release is released. Therefore, all opening and closing actions of the existing circuit breaker are closely related to a free tripping mechanism of the circuit breaker and the like, so that the on-off mode is single, and the free tripping mechanism and the like can be continuously abraded in the using process, so that the service life of the existing circuit breaker is about ten thousand times, and the existing circuit breaker is not suitable for occasions with high-frequency on-off.
The novel circuit breaker is designed for overcoming the problems that the service life of the existing circuit breaker is not long, the switching-on and switching-off mode is single, and local control is only available. Only when the breaker is switched on and the relay is attracted, the whole equipment is a path. Therefore, the user can control the whole equipment to be disconnected by opening the breaker or opening the relay. Thereby increasing the service life of the entire device.
However, in practical applications, not all use scenarios require relay modules, but the relay modules inside the existing circuit breakers are fixed and not detachable, and whether to assemble the circuit breakers or not cannot be selected according to actual use environments, so that the cost of required devices is increased; and when the relay module is damaged, because the fixed can not dismantle, it is also very difficult to maintain and change.
For this reason, a circuit breaker capable of facilitating assembly of a relay is required.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit breaker can conveniently carry out the assembly of relay.
In order to solve the technical problem, the present application provides the following technical solutions:
a circuit breaker comprises a circuit breaker body, wherein the circuit breaker body comprises a first shell, a circuit breaker module, a first wire inlet terminal and a first wire outlet terminal, wherein the circuit breaker module, the first wire inlet terminal and the first wire outlet terminal are positioned in the first shell; two side surfaces opposite to the first shell are respectively provided with a first wire inlet hole and a first wire outlet hole, a first wire inlet terminal is fixed at the first wire inlet hole, and a first wire outlet terminal is fixed at the first wire outlet hole; the relay also comprises a relay body;
the relay body comprises a second shell, a relay module, a second outlet terminal and a second plug, wherein the relay module, the second outlet terminal and the second plug are positioned in the second shell; the second outlet terminal and the second plug are electrically connected with the relay module respectively; a second wire inlet hole and a second wire outlet hole are respectively formed in two side faces, opposite to the second outer shell, of the second outer shell, a second wire outlet terminal is fixed in the second wire outlet hole, and a second plug is fixed in the second wire inlet hole;
the circuit breaker body also comprises two buckles, one end of one buckle is rotatably connected with the upper end of the side surface where the first wire outlet hole of the first shell is positioned, and one end of the other buckle is rotatably connected with the lower end of the side surface where the first wire outlet hole of the first shell is positioned; the rotating plane of the buckle is vertical to the side surface of the first wire outlet hole; the top surface and the bottom surface of one side of the second shell, which is close to the second wire inlet hole, are provided with clamping grooves; the buckle is kept away from the one end of first shell can be dismantled with the draw-in groove and be connected, and the second plug can insert in the first terminal that goes out the line.
The basic scheme principle and the beneficial effects are as follows:
when the relay is used, if the relay body is needed, the second shell is close to the first shell, and the second plug is aligned to the first wire outlet hole; and then the side surface of the second shell is tightly attached to the side surface of the first shell, so that the second plug is inserted into the first wire outlet terminal in the first wire outlet hole. And finally, the buckle is detachably connected with the clamping groove. The circuit breaker body and the relay body are connected together.
In this scheme, the relay body can carry out the dismouting according to the convenient and quick and circuit breaker body of in-service use condition, and it is convenient to maintain, can increase the life of whole equipment simultaneously, reduces the purchasing cost of device.
Further, the circuit breaker module comprises a tripping mechanism, an operating mechanism, an arc extinguishing mechanism and a contact assembly.
The circuit breaker module can normally work through the tripping mechanism, the operating mechanism, the arc extinguishing mechanism and the contact assembly.
Further, the relay module is a magnetic latching relay.
The normally closed or normally open state of the magnetic latching relay completely depends on the action of permanent magnetic steel, and the switching state of the magnetic latching relay is completed by triggering pulse electric signals with certain width. The electromagnetic relay has the characteristics of power saving, stable performance, small volume, large bearing capacity and superior performance compared with the common electromagnetic relay.
Further, the buckle comprises a connecting column in a cuboid shape and a cylindrical clamping column which are integrally formed; one end of the connecting column is rotatably connected with the first shell; the clamping column is positioned at the other end of the connecting column; the circumferential surface of one end of the clamping column, which is far away from the buckle, protrudes outwards to form a convex ring; the clamping groove is longitudinally provided with a connecting hole for inserting the clamping column; the inner wall of the connecting hole is circumferentially provided with an annular groove for embedding the projecting ring.
Through the cooperation of bulge loop and ring channel, it is more firm to enable chucking post and connecting hole to be connected to realize the firm of first shell and second shell on the whole.
Furthermore, a through hole is axially formed in the clamping column and penetrates through the connecting column; the connecting hole comprises a first hole section and a second hole section, the first hole section is in clearance fit with the clamping column, and the diameter of the second hole section is smaller than that of the through hole; the inner wall of the second hole section is provided with internal threads.
In the occasion with higher requirement on the connection stability of the first shell and the second shell, a screw can be used to penetrate through the through hole and be in threaded connection with the second hole section.
Furthermore, the circuit breaker body also comprises a circuit board and a control access socket which are electrically connected, a first control access hole is further formed in the side face of the first shell where the first wire outlet hole is located, and the control access socket is fixed in the first control access hole; the relay body further comprises a third plug, and a second control access hole is formed in the side face, where the second wire inlet hole of the second shell is located, of the second shell; the third plug is fixed on the second control access hole; the third plug is electrically connected with the relay module and can be inserted into the control access socket.
With the third plug insert control access socket in, the circuit breaker body of being convenient for controls the relay body through the pulse signal of telecommunication.
Further, the second plug is cylindrical. When the relay body is independently used, the first outlet terminal also needs to support the direct insertion of the electric wire, and the second plug is cylindrical due to the fact that the end part of the electric wire is cylindrical; the first outlet terminal can meet the insertion of the end part of the electric wire and the second plug under the condition of not redesigning, and the universality is high.
Further, the third plug is cylindrical. Can be conveniently inserted into the control access socket.
Furthermore, the chucking post outer wall has evenly opened 4 logical grooves along the axial, leads to the groove and keeps away from spliced pole one end by the chucking post and inwards extends.
Through setting up logical groove, make chucking post outer wall more easy deformation when receiving the extrusion of connecting hole inner wall, the insertion and the extraction of the chucking post of being convenient for.
Furthermore, the upper end of the side surface of the first shell is also provided with a vertical groove capable of accommodating a buckle; the first control access hole is positioned in the vertical groove, and the shape of the first control access hole is the same as that of the connecting hole; when the spliced pole of buckle rotated to erect the inslot, the chucking post can insert in the first control access hole.
When the relay body is not required to be connected, the buckle can be accommodated in the vertical groove, the tight column is inserted into the first control access hole, and dust can be prevented from entering the first control access hole.
Drawings
Fig. 1 is a front view of a first embodiment of a circuit breaker;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
figure 3 is an elevational view of an assembled circuit breaker embodiment;
figure 4 is a front view of a second embodiment of a circuit breaker;
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
fig. 6 is a front view of a third embodiment of a circuit breaker;
FIG. 7 is an enlarged view of a portion C of FIG. 6;
figure 8 is a bottom view of a four-jamming post of an embodiment of a circuit breaker.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: the circuit breaker comprises a circuit breaker body 1, a relay body 2, a first shell 3, a buckle 4, a first wire inlet hole 5, a first wire outlet hole 6, a first control access hole 7, a connecting column 8, a clamping column 9, a protruding ring 10, a second shell 11, a second plug 12, a third plug 13, a second wire outlet hole 14, a clamping groove 15, a connecting hole 16, an annular groove 17, a through hole 18 and a first hole section 19. Second hole section 20, vertical slot 21, through slot 22.
Example one
A circuit breaker of the present embodiment, as shown in fig. 1, includes a circuit breaker body 1 and a relay body 2.
The circuit breaker body 1 comprises a first shell 3, two buckles 4, a circuit breaker module located in the first shell 3, a first wire inlet terminal, a first wire outlet terminal, a circuit board and a control access socket. The control access socket is electrically connected with the circuit board.
The two opposite side surfaces of the first shell 3 are respectively provided with a first wire inlet hole 5 and a first wire outlet hole 6, in this embodiment, the first wire inlet hole 5 is located on the right side surface, the first wire outlet hole 6 is located on the left side surface, and the left side surface is further provided with a first control access hole 7.
The first wire inlet terminal is fixed at the first wire inlet hole 5, and the first wire outlet terminal is fixed at the first wire outlet hole 6; the control access socket is fixed at the first control access hole 7.
The two buckles 4 are the same in shape, and the two buckles 4 are respectively positioned at the upper end and the lower end of the left side surface;
as shown in fig. 2, the buckle 4 includes an integrally formed rectangular parallelepiped connecting column 8 and a cylindrical chucking column 9;
the right end of the connecting column 8 is rotatably connected with the first housing 3. Specifically, the right end of the connecting column 8 of one buckle 4 is rotatably connected with the upper end of the left side surface of the first shell 3, and the right end of the connecting column 8 of the other buckle 4 is rotatably connected with the lower end of the left side surface of the first shell 3; the rotating plane of the connecting column 8 is vertical to the left side surface; in this embodiment, the connection column 8 is rotatably connected to the first housing 3 by a bolt.
The clamping columns 9 are arranged at the left ends of the connecting columns 8, and when the two connecting columns 8 rotate to the position vertical to the left side face of the first shell 3, the two clamping columns 9 are opposite. The circumferential surface of one end of the clamping column 9, which is far away from the connecting column 8, is convexly provided with a convex ring 10.
The relay body 2 comprises a second shell 11, a relay module, a second outlet terminal, a second plug 12 and a third plug 13, wherein the relay module, the second outlet terminal, the second plug 12 and the third plug are positioned in the second shell 11;
two opposite side surfaces of the second shell 11 are respectively provided with a second wire inlet hole and a second wire outlet hole 14; specifically, the second wire inlet hole is located on the right side surface of the second housing 11, and the second wire outlet hole 14 is located on the left side surface of the second housing 11; a second control access hole is formed in the right side surface of the second shell 11;
the second outlet terminal is fixed at the second outlet hole 14, and the second plug 12 is fixed at the second inlet hole; the third plug 13 is fixed at the second control access hole.
The relay module comprises an input end, an output end and a control end. The second outlet terminal is electrically connected with the output end, the second plug 12 is electrically connected with the input end, and the third plug 13 is electrically connected with the control end. The third plug 13 can be inserted into the control access socket, and the second plug 12 can be inserted into the first outlet terminal. In this embodiment, the second plug 12 and the third plug 13 are both cylindrical.
In this embodiment, the relay module is a magnetic latching relay. The circuit breaker module comprises a tripping mechanism, an operating mechanism, an arc extinguishing mechanism and a contact assembly. Tripping mechanism, operating mechanism, arc extinguishing mechanism and contact assembly etc. have been disclosed in chinese patent with publication number CN108321067A, belong to the existing design of circuit breaker module, and are not described here again.
When the relay is used, if the relay body 2 is needed, the right side surface of the second shell 11 is close to the left side surface of the first shell 3, the second plug 12 is aligned to the first wire outlet hole 6, and the third plug 13 is aligned to the first control access hole 7; the right side surface of the second housing 11 is tightly attached to the left side surface of the first housing 3, so that the third plug 13 is inserted into the control access socket in the first control access hole 7, and the second plug 12 is inserted into the first outlet terminal in the first outlet hole 6. Finally, the connecting column 8 is rotated to enable the connecting column 8 to be located in the clamping groove 15, and then the clamping column 9 is pressed into the connecting hole 16, so that the circuit breaker body 1 and the relay body 2 are connected together as shown in fig. 3. One wire terminal is then inserted into the second outlet terminal through second outlet hole 14 of second housing 11, and the other wire terminal is inserted into the first inlet terminal through first inlet hole 5 of first housing 3. The circuit breaker body 1 and the relay body 2 can simultaneously operate on the electric wire.
If the relay body 2 is not needed, the buckle 4 is detached from the second shell 11, then the first shell 3 and the second shell 11 can be separated, and finally an electric wire connector is inserted into the first outlet terminal from the first outlet hole 6 of the first shell 3.
Example two
As shown in fig. 4, the difference between the present embodiment and the first embodiment is that in the present embodiment, a through hole 18 is axially formed in the fastening column 9, and the through hole 18 penetrates through the connecting column 8.
As shown in fig. 5, the connection hole 16 includes a first hole section and a second hole section; the first bore section can be clearance fitted with the clamping post 9 and the annular groove 17 is located in the first bore section. The length of the first hole section is greater than or equal to the length of the clamping column 9, and in this embodiment, the length of the first hole section is equal to the length of the clamping column 9. The diameter of the second bore section is smaller than the diameter of the through bore 18; the inner wall of the second hole section is provided with internal threads. In the case of a high requirement for the stability of the connection between the first housing 3 and the second housing 11, a screw may be used to pass through the through hole 18 and be screwed into the second hole section.
EXAMPLE III
As shown in fig. 6 and 7, the difference between the present embodiment and the first embodiment is that in the present embodiment, the upper end of the left side of the first housing 3 is further provided with a vertical slot 21 capable of accommodating the buckle 4; the first control access hole 7 is located in the vertical groove 21, and the shape of the first control access hole 7 is the same as that of the connection hole 16; when the coupling post 8 of the catch 4 is rotated into the vertical slot 21, the catch post 9 can be inserted into the first control access hole 7. When the relay body 2 is not required to be connected, the buckle 4 can be accommodated in the vertical groove 21, and the clamping column 9 is inserted into the first control access hole 7, so that dust can be prevented from entering the first control access hole 7.
Example four
The difference between this embodiment and the second embodiment is that, as shown in fig. 8, the outer wall of the clamping column 9 in this embodiment is provided with 4 through slots 22 uniformly along the axial direction. The through slot 22 extends inwardly from the end of the clamping post 9 remote from the attachment post 8. In this embodiment, the length of the through slot 22 is 2/3 of the length of the fastening post 9. Through the through groove 22, the outer wall of the clamping column 9 is easier to deform when being extruded by the inner wall of the connecting hole 16, and the clamping column 9 can be conveniently inserted and pulled out.
The above are only embodiments of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the scheme is not described too much, and those skilled in the art know the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become the obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A circuit breaker comprises a circuit breaker body, wherein the circuit breaker body comprises a first shell, a circuit breaker module, a first wire inlet terminal and a first wire outlet terminal, wherein the circuit breaker module, the first wire inlet terminal and the first wire outlet terminal are positioned in the first shell; two side surfaces opposite to the first shell are respectively provided with a first wire inlet hole and a first wire outlet hole, a first wire inlet terminal is fixed at the first wire inlet hole, and a first wire outlet terminal is fixed at the first wire outlet hole; the relay is characterized by also comprising a relay body;
the relay body comprises a second shell, a relay module, a second outlet terminal and a second plug, wherein the relay module, the second outlet terminal and the second plug are positioned in the second shell; the second outlet terminal and the second plug are electrically connected with the relay module respectively; a second wire inlet hole and a second wire outlet hole are respectively formed in two side faces, opposite to the second outer shell, of the second outer shell, a second wire outlet terminal is fixed in the second wire outlet hole, and a second plug is fixed in the second wire inlet hole;
the circuit breaker body also comprises two buckles, one end of one buckle is rotatably connected with the upper end of the side surface where the first wire outlet hole of the first shell is positioned, and one end of the other buckle is rotatably connected with the lower end of the side surface where the first wire outlet hole of the first shell is positioned; the rotating plane of the buckle is vertical to the side surface of the first wire outlet hole; the top surface and the bottom surface of one side of the second shell, which is close to the second wire inlet hole, are provided with clamping grooves; the buckle is kept away from the one end of first shell can be dismantled with the draw-in groove and be connected, and the second plug can insert in the first terminal that goes out the line.
2. The circuit breaker of claim 1, wherein: the circuit breaker module comprises a tripping mechanism, an operating mechanism, an arc extinguishing mechanism and a contact assembly.
3. The circuit breaker of claim 1, wherein: the relay module is a magnetic latching relay.
4. The circuit breaker of claim 2, wherein: the buckle comprises a connecting column in a cuboid shape and a cylindrical clamping column which are integrally formed; one end of the connecting column is rotatably connected with the first shell; the clamping column is positioned at the other end of the connecting column; the circumferential surface of one end of the clamping column, which is far away from the buckle, protrudes outwards to form a convex ring; the clamping groove is longitudinally provided with a connecting hole for inserting the clamping column; the inner wall of the connecting hole is circumferentially provided with an annular groove for embedding the projecting ring.
5. The circuit breaker of claim 4, wherein: the clamping column is axially provided with a through hole which penetrates through the connecting column; the connecting hole comprises a first hole section and a second hole section, the first hole section is in clearance fit with the clamping column, and the diameter of the second hole section is smaller than that of the through hole; the inner wall of the second hole section is provided with internal threads.
6. The circuit breaker of claim 5, wherein: the circuit breaker body further comprises a circuit board and a control access socket which are electrically connected, a first control access hole is further formed in the side face, where the first wire outlet hole of the first shell is located, and the control access socket is fixed in the first control access hole; the relay body further comprises a third plug, and a second control access hole is formed in the side face, where the second wire inlet hole of the second shell is located, of the second shell; the third plug is fixed on the second control access hole; the third plug is electrically connected with the relay module and can be inserted into the control access socket.
7. The circuit breaker of claim 6, wherein: the second plug is cylindrical.
8. The circuit breaker of claim 7, wherein: the third plug is cylindrical.
9. The circuit breaker of claim 8, wherein: the outer wall of the clamping column is evenly provided with 4 through grooves along the axial direction, and the through grooves are formed in the ends, far away from the connecting column, of the clamping column and extend inwards.
10. The circuit breaker of claim 9, wherein: the upper end of the side surface of the first shell is also provided with a vertical groove capable of accommodating a buckle; the first control access hole is positioned in the vertical groove, and the shape of the first control access hole is the same as that of the connecting hole; when the spliced pole of buckle rotated to erect the inslot, the chucking post can insert in the first control access hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020401009.4U CN211605058U (en) | 2020-03-25 | 2020-03-25 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020401009.4U CN211605058U (en) | 2020-03-25 | 2020-03-25 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211605058U true CN211605058U (en) | 2020-09-29 |
Family
ID=72582890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020401009.4U Expired - Fee Related CN211605058U (en) | 2020-03-25 | 2020-03-25 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211605058U (en) |
-
2020
- 2020-03-25 CN CN202020401009.4U patent/CN211605058U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |