CN211654726U - Small-size residual current circuit breaker convenient to installation - Google Patents
Small-size residual current circuit breaker convenient to installation Download PDFInfo
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- CN211654726U CN211654726U CN201921907225.XU CN201921907225U CN211654726U CN 211654726 U CN211654726 U CN 211654726U CN 201921907225 U CN201921907225 U CN 201921907225U CN 211654726 U CN211654726 U CN 211654726U
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- circuit breaker
- breaker main
- main part
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Abstract
The utility model discloses a small-size residual current circuit breaker convenient to installation, including circuit breaker main part, mounting panel, heat abstractor and circuit board, the both ends of mounting panel one side all are fixed with the sleeve, and one side of mounting panel is provided with the circuit breaker main part, the both ends that the circuit breaker main part is close to mounting panel one side all are fixed with the installation piece, and the installation piece all inserts telescopic inside, the inside of circuit breaker main part is provided with the reservation tank, the both ends of circuit breaker main part all are fixed with heat abstractor. The utility model discloses an install circuit breaker main part, mounting panel, sleeve, installation piece, preformed hole, gag lever post, recess and second reset spring for when installation device, insert the sleeve on the mounting panel with the installation piece in the circuit breaker main part, the gag lever post is when the preformed hole on the sleeve, and extension through second reset spring makes ejecting the gag lever post to the preformed hole in and block, and then carries out fixed connection with device and mounting panel.
Description
Technical Field
The utility model relates to a residual current circuit breaker technical field specifically is a small-size residual current circuit breaker convenient to installation.
Background
The leakage circuit breaker is mainly used for protecting the electric shock of a person with fatal danger when the equipment has leakage faults, has overload and short-circuit protection functions, and can be used for protecting the overload and short circuit of a line or a motor;
1. most of the small-sized leakage circuit breakers are inconvenient to install and fix, complex to install and operate and not easy to disassemble;
2. the small-sized leakage circuit breaker has a weak heat dissipation function, and a large amount of heat is easily generated inside the small-sized leakage circuit breaker during use, so that the small-sized leakage circuit breaker is not beneficial to discharge and the service life is influenced;
3. most of the small-sized residual current circuit breakers do not have the function of protecting the circuit board and are easy to damage the internal circuit board when being extruded and collided by the outside.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size residual current circuit breaker convenient to installation to the problem that the installation of being not convenient for, heat dispersion are relatively poor and do not possess safeguard function that proposes in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a small-size residual current circuit breaker convenient to installation, includes circuit breaker main part, mounting panel, heat abstractor and circuit board, the both ends of mounting panel one side all are fixed with the sleeve, and one side of mounting panel is provided with the circuit breaker main part, the both ends that the circuit breaker main part is close to mounting panel one side all are fixed with the installation piece, and the installation piece all inserts telescopic inside, the inside of circuit breaker main part is provided with the reservation groove, the both sides of reservation inslot portion are evenly fixed with the circuit board through the protection piece, and are fixed with central processing module on the circuit board, the both ends of circuit breaker main part all are fixed with heat abstract.
Preferably, the both sides of installation piece all are provided with the recess, and the inside of recess all is provided with the gag lever post through second reset spring, telescopic both sides all are provided with the preformed hole, the gag lever post all passes the preformed hole.
Preferably, an air suction hopper is uniformly arranged on one side, close to the breaker main body, inside the heat dissipation device, an air guide pipe is arranged at one end, far away from the breaker main body, of the air suction hopper, and a conversion pipe is fixed on one side, far away from the air suction hopper, of the air guide pipe.
Preferably, the joints of the heat dissipation device and the breaker main body are provided with through holes which are distributed at equal intervals.
Preferably, a temperature sensor is fixed at the central position of one side inside the heat dissipation device, and fans are arranged on two sides of the temperature sensor.
Preferably, the protection part comprises a support sleeve, a fixing part and a first return spring, the fixing part is arranged in the support sleeve through the first return spring, and the fixing part is in contact with the circuit board.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this small-size residual current circuit breaker convenient to installation is through installing the circuit breaker main part, the mounting panel, the sleeve, the installation piece, the preformed hole, the gag lever post, recess and second reset spring, make when installation device, insert the installation piece in the circuit breaker main part in the sleeve on the mounting panel, the gag lever post is when the preformed hole on the sleeve, extension through second reset spring makes ejecting the gag lever post in the preformed hole and block, and then carry out fixed connection with device and mounting panel, extrude the gag lever post into the recess during dismantlement, and can dismantle it to one side pulling circuit breaker main part, the fixed mounting and the dismantlement of the device of being convenient for, convenient and fast.
(2) This small-size electric leakage circuit breaker convenient to installation is through installing heat abstractor, the fan, temperature sensor, the converting tube, the guide duct, induced draft fill and air vent, the inside heat of circuit breaker main part passes through the through-hole and transmits in to heat abstractor, induced draft fill can furthest absorb the heat, the heat is leading-in to the converting tube and the diffusion through the guide duct, temperature in the temperature sensor sensing heat abstractor, when the temperature exceedes the setting value, the fan operation, spill steam, can dispel the heat by effectual device, extension means's life.
(3) This small-size residual current circuit breaker convenient to installation is provided with the reservation groove through the inside at the circuit breaker main part, the both sides of reservation inslot portion are evenly fixed with the circuit board through the protection piece, the protection piece is including supporting the cover, first reset spring and mounting, the mounting all is connected with the circuit board, make the device if receive external extrusion collision, the impact force is at first used in supporting the cover, make the mounting slide and extrude first reset spring in supporting the cover, the impact force of absorbing partly through the flexible resilience of first reset spring, play the absorbing effect of buffering, play certain guard action to the circuit board.
Drawings
Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged cross-sectional view of the utility model at a in fig. 1;
fig. 4 is a schematic cross-sectional view of the protection device of the present invention.
In the figure: 1. a sleeve; 2. mounting blocks; 3. a circuit breaker main body; 4. mounting a plate; 5. a heat sink; 6. a guard; 601. a support sleeve; 602. a fixing member; 603. a first return spring; 7. a circuit board; 8. reserving a groove; 9. a central processing module; 10. a through hole; 11. an air guide pipe; 12. a fan; 13. a temperature sensor; 14. a transfer tube; 15. a suction hopper; 16. a limiting rod; 17. a groove; 18. a second return spring; 19. holes are reserved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a small-sized residual current circuit breaker convenient to install comprises a circuit breaker main body 3, a mounting plate 4, a heat dissipation device 5 and a circuit board 7, wherein sleeves 1 are fixed at two ends of one side of the mounting plate 4, the circuit breaker main body 3 is arranged on one side of the mounting plate 4, mounting blocks 2 are fixed at two ends of one side, close to the mounting plate 4, of the circuit breaker main body 3, the mounting blocks 2 are inserted into the sleeves 1, grooves 17 are formed in two sides of each mounting block 2, limiting rods 16 are arranged in the grooves 17 through second reset springs 18, reserved holes 19 are formed in two sides of each sleeve 1, and the limiting rods 16 penetrate through the reserved holes 19;
the mounting block 2 on the breaker main body 3 is inserted into the sleeve 1 on the mounting plate 4, when the limiting rod 16 passes through the preformed hole 19 on the sleeve 1, the limiting rod 16 is ejected out of the preformed hole 19 and clamped by the extension of the second return spring 18, and then the device is fixedly connected with the mounting plate 4;
a reserved groove 8 is formed in the breaker body 3, circuit boards 7 are uniformly fixed on two sides of the reserved groove 8 through a protection piece 6, the protection piece 6 comprises a support sleeve 601, fixing pieces 602 and first return springs 603, the fixing pieces 602 are arranged in the support sleeve 601 through the first return springs 603, and the fixing pieces 602 are in contact with the circuit boards 7;
if the device is extruded and collided by the outside in the using process, impact force firstly acts on the supporting sleeve 601 to promote the fixing piece 602 to slide in the supporting sleeve 601 and extrude the first return spring 603, and a part of impact force is absorbed through the telescopic resilience of the first return spring 603, so that the buffer and shock absorption effects are achieved, and a certain protection effect is achieved on the circuit board 7;
a central processing module 9 is fixed on the circuit board 7, the model of the central processing module 9 can be S7-200CN, heat dissipation devices 5 are fixed at both ends of the breaker main body 3, air suction hoppers 15 are uniformly arranged at one sides of the interior of the heat dissipation devices 5, which are close to the breaker main body 3, one ends of the air suction hoppers 15, which are far away from the breaker main body 3, are provided with air guide pipes 11, one sides of the air guide pipes 11, which are far away from the air suction hoppers 15, are fixed with conversion pipes 14, through holes 10 are arranged at the joints of the heat dissipation devices 5 and the breaker main body 3, the through holes 10 are distributed at equal intervals, a temperature sensor 13 is fixed at the central position of one side of the interior of the heat dissipation devices 5, the model of the temperature sensor 13 can be CWDZ 11;
the heat in the breaker main body 3 is transferred into the heat dissipation device 5 through the through hole 10, the air suction hopper 15 can absorb the heat to the maximum extent, the heat is guided into the conversion pipe 14 through the air guide pipe 11 and is diffused, the temperature sensor 13 senses the temperature in the heat dissipation device 5 and transfers a signal to the central processing module 9, the output end of the central processing module 9 is electrically connected with the input end of the fan 12 through a lead, when the temperature exceeds a set value, the fan 12 operates to dissipate hot air, the heat of the device can be effectively dissipated, and the service life of the device is prolonged;
the output end of the temperature sensor 13 is electrically connected to the input end of the central processing module 9 through a wire, and the output end of the central processing module 9 is electrically connected to the input end of the fan 12 through a wire.
The working principle is as follows: when the device is used, the mounting block 2 on the breaker main body 3 is inserted into the sleeve 1 on the mounting plate 4, when the limiting rod 16 passes through the preformed hole 19 on the sleeve 1, the limiting rod 16 is pushed out into the preformed hole 19 and clamped through the extension of the second reset spring 18, the device is fixedly connected with the mounting plate 4, the limiting rod 16 is extruded into the groove 17 during disassembly, the breaker main body 3 is pulled to one side to disassemble the device, the device is convenient and quick, the heat in the breaker main body 3 is transferred into the heat dissipation device 5 through the through hole 10, the air suction hopper 15 can absorb the heat to the maximum extent, the heat is guided into the conversion pipe 14 through the air guide pipe 11 and is diffused, the temperature sensor 13 senses the temperature in the heat dissipation device 5, when the temperature exceeds a set value, the fan 12 operates to dissipate the hot air, the heat of the device can be effectively dissipated, and the service life of the device is prolonged, in addition, if the device is extruded and collided by the outside in the using process, impact force firstly acts on the supporting sleeve 601 to promote the fixing piece 602 to slide in the supporting sleeve 601 and extrude the first return spring 603, and a part of the impact force is absorbed through the telescopic rebound of the first return spring 603, so that the buffer and shock absorption effects are achieved, and a certain protection effect is achieved on the circuit board 7.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a small-size residual current circuit breaker convenient to installation, includes circuit breaker main part (3), mounting panel (4), heat abstractor (5) and circuit board (7), its characterized in that: the utility model discloses a circuit breaker, including mounting panel (4), circuit breaker main part (3), installation piece (2), and installation piece (2) all insert the inside of sleeve (1), the inside of circuit breaker main part (3) is provided with reservation groove (8), the both ends that mounting panel (4) one side are close to in circuit breaker main part (3) all are fixed with installation piece (2), and install the inside that piece (2) all inserted sleeve (1), the both sides of reservation groove (8) inside are evenly fixed with circuit board (7) through protection piece (6), and are fixed with central processing module (9) on circuit board (7), the both ends of circuit breaker main part (3) all are fixed with heat abstractor (5).
2. A small-sized residual current circuit breaker convenient to install according to claim 1, wherein: the both sides of installation piece (2) all are provided with recess (17), and the inside of recess (17) all is provided with gag lever post (16) through second reset spring (18), the both sides of sleeve (1) all are provided with preformed hole (19), gag lever post (16) all pass preformed hole (19).
3. A small-sized residual current circuit breaker convenient to install according to claim 1, wherein: the heat dissipation device is characterized in that an air suction hopper (15) is uniformly arranged on one side, close to the breaker main body (3), of the interior of the heat dissipation device (5), an air guide pipe (11) is arranged at one end, far away from the breaker main body (3), of the air suction hopper (15), and a conversion pipe (14) is fixed on one side, far away from the air suction hopper (15), of the air guide pipe (11).
4. A small-sized residual current circuit breaker convenient to install according to claim 1, wherein: the connection part of the heat dissipation device (5) and the breaker main body (3) is provided with through holes (10), and the through holes (10) are distributed at equal intervals.
5. A small-sized residual current circuit breaker convenient to install according to claim 1, wherein: a temperature sensor (13) is fixed at the central position of one side in the heat dissipation device (5), and fans (12) are arranged on two sides of the temperature sensor (13).
6. A small-sized residual current circuit breaker convenient to install according to claim 1, wherein: the protection part (6) comprises a support sleeve (601), a fixing part (602) and a first return spring (603), the fixing part (602) is arranged in the support sleeve (601) through the first return spring (603), and the fixing part (602) is in contact with the circuit board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907225.XU CN211654726U (en) | 2019-11-07 | 2019-11-07 | Small-size residual current circuit breaker convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921907225.XU CN211654726U (en) | 2019-11-07 | 2019-11-07 | Small-size residual current circuit breaker convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211654726U true CN211654726U (en) | 2020-10-09 |
Family
ID=72691642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921907225.XU Active CN211654726U (en) | 2019-11-07 | 2019-11-07 | Small-size residual current circuit breaker convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211654726U (en) |
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2019
- 2019-11-07 CN CN201921907225.XU patent/CN211654726U/en active Active
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