CN214956710U - Low-voltage circuit breaker with overheat protection function - Google Patents
Low-voltage circuit breaker with overheat protection function Download PDFInfo
- Publication number
- CN214956710U CN214956710U CN202121486912.6U CN202121486912U CN214956710U CN 214956710 U CN214956710 U CN 214956710U CN 202121486912 U CN202121486912 U CN 202121486912U CN 214956710 U CN214956710 U CN 214956710U
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- connecting plate
- circuit breaker
- base member
- mounting panel
- voltage circuit
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Abstract
The utility model discloses a low-voltage circuit breaker with overheat protection function, including base member, clamping screw, protection machanism and cooling fan, the top and the bottom of base member are all connected and are provided with the mounting panel, and the mounting panel belongs to fixed connection setting with the base member, and the internal connection of mounting panel is provided with clamping screw, and the mounting panel belongs to swing joint setting with clamping screw, and the front connection of base member is provided with the connecting plate lid, and the base member belongs to with the connecting plate lid and can open and be connected the setting, and the front installation of connecting plate lid is provided with the warning light. The utility model discloses an at mounting panel and clamping screw accessory, this equipment is usable rotates clamping screw in the inside of mounting panel, realizes that clamping screw one end carries out the screw thread block with the region that needs the installation, then can satisfy the work to the holistic fixed mounting of base member when inserting, easy operation and application scope are wide, convenient user's installation work.
Description
Technical Field
The utility model relates to a low-voltage circuit breaker technical field specifically is a low-voltage circuit breaker with overheat protection function.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.
The existing low-voltage circuit breaker is inconvenient to install and poor in protection performance of equipment during use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low-voltage circuit breaker with overheat protection function to the installation of being not convenient for that proposes in solving above-mentioned background art, and to the relatively poor scheduling problem of barrier propterty of equipment during the use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-voltage circuit breaker with overheat protection function, includes base member, clamping screw, protection mechanism and cooling fan, the top and the bottom of base member all are connected and are provided with the mounting panel, the mounting panel belongs to fixed connection setting with the base member, the internal connection of mounting panel is provided with clamping screw, the mounting panel belongs to swing joint setting with clamping screw, the front of base member is connected and is provided with the connecting plate lid, the base member belongs to open to be connected the setting with the connecting plate lid, the front installation of connecting plate lid is provided with the warning light.
Preferably, a side rod is connected and arranged at the middle position of the front surface of the connecting plate cover, and one end of the side rod is connected and arranged with a connecting rod.
Preferably, the top and the bottom of the connecting plate cover are both connected and provided with a heat dissipation through hole, and the heat dissipation through hole and the connecting plate cover belong to fixed connection.
Preferably, the top and the bottom of one side inside the connecting plate cover are provided with a cooling fan, and one side inside the connecting plate cover is provided with a temperature sensing device.
Preferably, one end of the side rod and one side of the front bottom of the connecting plate cover are connected with a protection mechanism.
Preferably, the internal connection of protection mechanism is provided with the connecting block, the internal connection of connecting block is provided with the fly leaf, inside top and the bottom of connecting block all connect and are provided with the spout.
Preferably, one side of the movable plate is connected with a contact block, and the other side of the movable plate is connected with a buffer spring.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) according to the low-voltage circuit breaker with the overheat protection function, the fixing screw can be rotated in the mounting plate through the mounting plate and the fixing screw fittings, one end of the fixing screw is in threaded engagement with an area needing to be mounted, the whole base body can be fixedly mounted while the fixing screw is inserted, the operation is simple, the application field is wide, and the mounting work of a user is convenient;
(2) according to the low-voltage circuit breaker with the overheat protection function, the side lever can be contacted with the contact block after tripping phenomenon occurs through accessories such as the side lever, the connecting rod, the connecting block, the movable plate, the sliding groove, the contact block and the buffer spring, the protection performance of the contact block on buffering action of the connecting rod can be realized by utilizing the sliding action of the movable plate in the sliding groove and the connecting block and the elasticity of the buffer spring during contact, and the side lever is further protected;
(3) this kind of low voltage circuit breaker with overheat protection function, through in heat dissipation through-hole department, accessories such as cooling fan and temperature-sensing equipment, temperature-sensing equipment can monitor the response to the inside temperature of connecting plate lid, sense to surpass behind the numerical value temperature of settlement, the start-up of controllable cooling fan, then cooling fan can cover the inside radiating work that carries out to the connecting plate, then the heat dissipation is taken a breath and is realized through heat dissipation through-hole department, can effectively play the overheat protection effect to equipment.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the internal section structure of the connection plate cover of the present invention.
In the figure: 1. a substrate; 2. mounting a plate; 3. fixing the screw rod; 4. a connecting plate cover; 5. a warning light; 6. a side lever; 7. a connecting rod; 8. a protection mechanism; 801. connecting blocks; 802. a movable plate; 803. a chute; 804. a contact block; 805. a buffer spring; 9. a heat dissipation through hole; 10. a heat radiation fan; 11. a temperature sensing device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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 low-voltage circuit breaker with an overheat protection function comprises a base body 1, a fixing screw rod 3, a protection mechanism 8 and a cooling fan 10, wherein the top and the bottom of the base body 1 are both connected with mounting plates 2, the mounting plates 2 and the base body 1 belong to fixed connection arrangement, the fixing screw rod 3 is connected and arranged inside the mounting plates 2, the base body 1 can be integrally mounted in a designated area through the matching of the mounting plates 2 and the fixing screw rod 3, and the operation is simple;
the mounting plate 2 and the fixing screw 3 are movably connected, the front surface of the base body 1 is connected with a connecting plate cover 4, a side lever 6 is connected to the middle position of the front surface of the connecting plate cover 4, one end of the side lever 6 is connected with a connecting rod 7, and the side lever 6 and the connecting plate cover 4 are movably connected;
the base body 1 and the connecting plate cover 4 belong to an openable connecting device, the front surface of the connecting plate cover 4 is provided with a warning lamp 5, and the warning lamp 5 is in contact with a protection mechanism 8 through a connecting rod 7 to realize that a received signal is on, so that a reminding effect is achieved;
the top and the bottom of the connecting plate cover 4 are both connected with a heat dissipation through hole 9, the heat dissipation through hole 9 and the connecting plate cover 4 are fixedly connected, and the heat dissipation through hole 9 is a hot gas exhaust area, so that a good heat dissipation effect is achieved;
the top and the bottom of one side inside the connecting plate cover 4 are both provided with a heat radiation fan 10, one side inside the connecting plate cover 4 is provided with a temperature sensing device 11, the heat radiation fan 10 is communicated with the temperature sensing device 11, and the temperature sensing device 11 can control the start of the heat radiation fan 10 when sensing that the temperature inside the connecting plate cover 4 is overhigh;
one end of the side lever 6 and one side of the front bottom of the connecting plate cover 4 are connected with a protection mechanism 8, and the protection mechanism 8 is arranged at one side of the connecting rod 7 and is fixedly connected with the connecting plate cover 4;
the protection mechanism 8 is internally connected with a connecting block 801, the connecting block 801 is internally connected with a movable plate 802, the top and the bottom of the inside of the connecting block 801 are both connected with a sliding groove 803, and the movable plate 802 can slide inside the connecting block 801 through the sliding groove 803;
one side of the movable plate 802 is connected with the contact block 804, the other side of the movable plate 802 is connected with the buffer spring 805, and the elasticity of the buffer spring 805 can realize the repeated sliding work of the movable plate 802 driving the contact block 804 in the connecting block 801, which is beneficial to playing the buffer protection performance for the connecting rod 7.
When the embodiment of the application is used: the device base body 1 can utilize the fixed screw rod 3 to rotate in the mounting plate 2, so that one end of the fixed screw rod 3 is in threaded clamping with an area needing to be mounted, the whole fixed mounting work of the base body 1 can be met while the side lever 6 is inserted, the mounting work is simple to operate and wide in application range, the mounting work of a user is convenient, the side lever 6 can be contacted with the contact block 804 after tripping phenomenon occurs, the contact can be realized while the protection performance of the contact block 804 on the connecting rod 7 by utilizing the sliding effect of the movable plate 802 in the sliding groove 803 and the connecting block 801 and the elasticity of the buffer spring 805, the protection effect of the side lever 6 on protection is further realized, the temperature sensing device 11 can monitor and sense the temperature in the connecting plate cover 4, after the temperature exceeding the set numerical value is sensed, the starting of the cooling fan 10 can be controlled, and the cooling fan 10 can perform cooling work in the connecting plate cover 4, the heat dissipation and ventilation are realized through the heat dissipation through hole 9, and the overheating protection effect on the equipment can be effectively realized.
Claims (7)
1. The utility model provides a low-voltage circuit breaker with overheat protection function, its characterized in that, includes base member (1), clamping screw (3), protection mechanism (8) and cooling fan (10), the top and the bottom of base member (1) all are connected and are provided with mounting panel (2), mounting panel (2) and base member (1) belong to fixed connection and set up, the internal connection of mounting panel (2) is provided with clamping screw (3), mounting panel (2) and clamping screw (3) belong to swing joint and set up, the front of base member (1) is connected and is provided with connecting plate lid (4), base member (1) and connecting plate lid (4) belong to and can open and be connected the setting, the front installation of connecting plate lid (4) is provided with warning light (5).
2. A low-voltage circuit breaker with overheat protection according to claim 1, characterized in that: the connecting plate cover is characterized in that a side rod (6) is connected and arranged at the middle position of the front surface of the connecting plate cover (4), and a connecting rod (7) is connected and arranged at one end of the side rod (6).
3. A low-voltage circuit breaker with overheat protection according to claim 2, characterized in that: the top and the bottom of the connecting plate cover (4) are both connected with a heat dissipation through hole (9), and the heat dissipation through hole (9) and the connecting plate cover (4) are fixedly connected.
4. A low-voltage circuit breaker with overheat protection according to claim 3, characterized in that: the top and the bottom of one side inside the connecting plate cover (4) are provided with a cooling fan (10), and one side inside the connecting plate cover (4) is provided with a temperature sensing device (11).
5. A low-voltage circuit breaker with overheat protection according to claim 2, characterized in that: one end of the side rod (6) and one side of the front bottom of the connecting plate cover (4) are connected with a protection mechanism (8).
6. A low-voltage circuit breaker with overheat protection according to claim 5, characterized in that: the internal connection of protection mechanism (8) is provided with connecting block (801), the internal connection of connecting block (801) is provided with fly leaf (802), inside top and the bottom of connecting block (801) all are connected and are provided with spout (803).
7. A low-voltage circuit breaker with overheat protection according to claim 6, characterized in that: one side of the movable plate (802) is connected with a contact block (804), and the other side of the movable plate (802) is connected with a buffer spring (805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486912.6U CN214956710U (en) | 2021-07-01 | 2021-07-01 | Low-voltage circuit breaker with overheat protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121486912.6U CN214956710U (en) | 2021-07-01 | 2021-07-01 | Low-voltage circuit breaker with overheat protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956710U true CN214956710U (en) | 2021-11-30 |
Family
ID=79076038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121486912.6U Active CN214956710U (en) | 2021-07-01 | 2021-07-01 | Low-voltage circuit breaker with overheat protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956710U (en) |
-
2021
- 2021-07-01 CN CN202121486912.6U patent/CN214956710U/en active Active
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