CN211957569U - Novel intelligent miniature circuit breaker - Google Patents
Novel intelligent miniature circuit breaker Download PDFInfo
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- CN211957569U CN211957569U CN202021082553.3U CN202021082553U CN211957569U CN 211957569 U CN211957569 U CN 211957569U CN 202021082553 U CN202021082553 U CN 202021082553U CN 211957569 U CN211957569 U CN 211957569U
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Abstract
The utility model discloses a novel intelligent miniature circuit breaker, the circuit breaker includes power module, control module, communication module, electric leakage module and circuit breaker module; the control module with the communication module all through the winding displacement with power module links to each other, the circuit breaker module with the control module all with the electric leakage module links to each other, the circuit breaker module through arrange the needle with the control module links to each other. The advantages are that: this miniature circuit breaker has functions such as current detection, voltage detection, temperature detect, earth leakage protection, crosses undervoltage protection, remote control, communication, can solve traditional miniature circuit breaker and measure unstability, detection accuracy is low and function type is few can not satisfy the problem of customer's demand.
Description
Technical Field
The utility model relates to a low-voltage circuit breaker technical field especially relates to a novel intelligent miniature circuit breaker.
Background
At present, a low-voltage miniature circuit breaker on the market is generally a thermomagnetic miniature circuit breaker, and comprises a contact system, an arc extinguishing system, an operating mechanism, an electromagnetic release, a thermal release and the like, when an electric system loop is in short circuit, the current is increased, and a large current enables a movable iron core in the electromagnetic release to overcome a counter spring and move forward under the action of electromagnetic force, so that the release pulls the operating mechanism to act, and the miniature circuit breaker trips instantaneously; when the circuit of the electric system is overloaded, the thermal release bends the bimetallic strip on the thermal release under the action of overload current, and pulls the operating mechanism to act, so that the miniature circuit breaker trips. From the above, the conventional low-voltage circuit breaker has overload protection and short-circuit protection functions, and the defects of the protection judgment mode are that the overload detection value is unstable and the detection accuracy is low due to the fact that the circuit breaker adopts a mechanical structure for measurement, and the circuit breaker does not have other functions such as current detection, temperature detection and communication.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel intelligent miniature circuit breaker to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a novel intelligent small-sized circuit breaker comprises a power supply module, a control module, a communication module, a leakage module and a circuit breaker module; the control module with the communication module all through the winding displacement with power module links to each other, the circuit breaker module with the control module all with the electric leakage module links to each other, the circuit breaker module through arrange the needle with the control module links to each other.
Preferably, the control module comprises a first control circuit, a motor gear control mechanism and an execution mechanism, the first control circuit comprises at least one voltage sensor, the motor gear control mechanism and the execution mechanism are connected with the circuit breaker module, the execution mechanism is connected with the first control circuit, and the first control circuit is connected with the power supply module through a flat cable.
Preferably, the control module further comprises a voltage sensor connection board, and each voltage sensor is integrated on the voltage sensor connection board. Preferably, the communication module comprises a second control circuit, and the second control circuit is connected with the first control circuit and the power module through a flat cable.
Preferably, the circuit breaker module comprises a third control circuit, a contact system, an arc extinguishing system, an operating mechanism, an electromagnetic trip, a thermal trip, a wiring terminal and a handle, wherein the contact system, the electromagnetic trip and the thermal trip are all connected with the operating mechanism, the handle and a half gear of the motor gear operating mechanism are kept in the same axis center through a through shaft, the operating mechanism is connected with the executing mechanism through a shifting rod, the executing mechanism can drive the operating mechanism to act, the wiring terminal is connected with the thermal trip, and the third control circuit is connected with the power module; the third control circuit comprises a current sensor and a temperature sensor, the current sensor is connected with the first control circuit, and the temperature sensor is connected with the wiring terminal and the first control circuit.
Preferably, the circuit breaker module further comprises a current sensor connecting plate and a temperature sensor connecting plate, the current sensor and the temperature sensor are integrated on the current sensor connecting plate and the temperature sensor connecting plate respectively, and the current sensor connecting plate and the temperature sensor connecting plate are connected with the first control circuit through the pin header.
Preferably, the leakage module comprises a fourth control circuit and a terminal subsystem, the fourth control circuit comprises a current transformer, and the current transformer is connected with the first control circuit through a special flat cable; and each wiring terminal subsystem is connected with the wire outlet end of the breaker module through a copper wire, and each copper wire penetrates through the current transformer.
Preferably, the control module comprises a first shell, the first control circuit, the motor gear control mechanism, the voltage sensor, the actuating mechanism and the voltage sensor connecting plate are all arranged in the first shell, a first wiring interface is arranged at the top of the first shell, and the power supply module is connected with the first control circuit through the first wiring interface; the communication module comprises a second shell, the second control circuit is arranged in the second shell, a second flat cable interface is arranged at the top of the second shell, and the power supply module is connected with the second control circuit through the second flat cable interface; the circuit breaker module comprises a third shell, and the third control circuit, the current sensor, the temperature sensor, the contact system, the arc extinguishing system, the operating mechanism, the electromagnetic release, the thermal release, the wiring terminal, the handle, the current sensor connecting plate and the temperature sensor connecting plate are all arranged inside the third shell; the leakage module comprises a fourth shell, the fourth control circuit and the wiring terminal subsystem are both arranged inside the fourth shell, a special interface is arranged on the fourth control circuit, and the first control circuit is connected with the special interface through the special flat cable.
Preferably, the power module includes a fifth housing and a power supply circuit, the power supply circuit is disposed in the fifth housing, the fifth housing is provided with a third flat cable interface, and the power supply circuit is connected to the first control circuit and the second control circuit through the third flat cable interface.
Preferably, the communication module further comprises an RS485 interface, and the second control circuit is connected with an external upper system through the RS485 interface.
The utility model has the advantages that: the utility model provides a miniature circuit breaker has functions such as current detection, voltage detection, temperature detection, earth leakage protection, crosses undervoltage protection, remote control, communication (multiple communication mode), can solve traditional miniature circuit breaker and measure the problem that unstable, detection accuracy is low and function kind is few can not satisfy customer's demand.
Drawings
Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control module in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a circuit breaker module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electric leakage module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a power module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a pin header in an embodiment of the present invention.
In the figure: 1. a control module; 11. a first housing; 12. an actuator; 13. a first control circuit; 14. a motor gear operating mechanism; 15. a voltage sensor; 2. a communication module; 21. a second housing; 22. an RS485 interface; 23. a second control circuit; 3. a circuit breaker module; 31. a third housing; 32. a handle; 33. a third control circuit; 34. a current sensor; 35. a temperature sensor; 36. a contact system; 37. an operating mechanism; 38. an electromagnetic release; 39. a thermal trip; 40. a wiring terminal; 4. a leakage module; 41. a fourth housing; 42. a terminal subsystem; 43. a current transformer; 5. a power supply module; 51. a fifth housing; 52. a power supply circuit; 6. and (4) arranging needles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1 to 7, the present embodiment provides a novel intelligent miniature circuit breaker, which includes a power module 5, a control module 1, a communication module 2, a leakage module 4, and a circuit breaker module 3; control module 1 with communication module 2 all through the winding displacement with power module 5 links to each other, circuit breaker module 3 with control module 1 all with electric leakage module 4 links to each other, circuit breaker module 3 through arrange the needle 6 with control module 1 links to each other. The number of stages of the breaker modules 3 is 1P-4P.
As shown in fig. 2, in this embodiment, the control module 1 includes a first control circuit 13, a motor gear operating mechanism 14 and an actuator 12, the first control circuit 13 includes at least one voltage sensor 15, the motor gear operating mechanism 14 and the actuator 12 are both connected to the circuit breaker module 3, the actuator 12 is connected to the first control circuit 13, and the first control circuit 13 is connected to the power module 5 through a flat cable.
In this embodiment, the control module 1 further includes a voltage sensor connection board, and each of the voltage sensors 15 is integrated on the voltage sensor connection board.
As shown in fig. 3, in this embodiment, the communication module 2 includes a second control circuit 23, and the second control circuit 23 is connected to the first control circuit 13 and the power module 5 through a flat cable.
As shown in fig. 4, in this embodiment, the circuit breaker module 3 includes a third control circuit 33, a contact system 36, an arc extinguishing system, an operating mechanism 37, an electromagnetic trip 38, a thermal trip 39, a connection terminal 40, and a handle 32, where the contact system 36, the electromagnetic trip 38, and the thermal trip 39 are all connected to the operating mechanism 37, the handle 32 and a half gear of the motor gear operating mechanism 37 are held at the same axial center by a through shaft, the operating mechanism 37 is connected to the actuator 12 by a shift lever, the actuator 12 can drive the operating mechanism 37 to operate, the connection terminal 40 is connected to the thermal trip 39, and the third control circuit 33 is connected to the power module 5; the third control circuit 33 comprises a current sensor 34 and a temperature sensor 35, the current sensor 34 is connected with the first control circuit 13, and the temperature sensor 35 is connected with the connection terminal 40 and the first control circuit 13.
In this embodiment, circuit breaker module 3 still includes current sensor connecting plate and temperature sensor connecting plate, current sensor 34 with temperature sensor 35 is integrated respectively on current sensor connecting plate and temperature sensor connecting plate, current sensor connecting plate and temperature sensor connecting plate all link to each other with first control circuit 13 through arranging needle 6.
As shown in fig. 5, in this embodiment, the leakage module 4 includes a fourth control circuit and a connection terminal 40 system, the fourth control circuit includes a current transformer 43, and the current transformer 43 is connected to the first control circuit 13 through a special flat cable; each of the terminal 40 systems is connected to the outlet of the breaker module 3 through a copper wire, and each of the copper wires passes through the current transformer 43.
In this embodiment, the control module 1 includes a first housing 11, the first control circuit 13, the motor gear operating mechanism 14, the voltage sensor 15, the actuator 12, and the voltage sensor connecting plate are all disposed in the first housing 11, a first cable outlet is disposed at the top of the first housing 11, and the power module 5 is connected to the first control circuit 13 through the first cable outlet; the communication module 2 comprises a second shell 21, the second control circuit 23 is arranged in the second shell 21, a second flat cable interface is arranged at the top of the second shell 21, and the power module 5 is connected with the second control circuit 23 through the second flat cable interface; the circuit breaker module 3 comprises a third housing 31, and the third control circuit 33, the current sensor 34, the temperature sensor 35, the contact system 36, the arc extinguishing system, the operating mechanism 37, the electromagnetic release 38, the thermal release 39, the wiring terminal 40, the handle 32, the current sensor connecting plate and the temperature sensor connecting plate are all arranged inside the third housing 31; the leakage module 4 comprises a fourth shell 41, a fourth control circuit and a wiring terminal 40 system are arranged inside the fourth shell 41, a special interface is arranged on the fourth control circuit, and the first control circuit 13 is connected with the special interface through the special flat cable.
As shown in fig. 6, in this embodiment, the power module 5 includes a fifth housing 51 and a power supply circuit 52, the power supply circuit 52 is disposed in the fifth housing 51, a third flat cable interface is disposed on the fifth housing 51, and the power supply circuit 52 is connected to the first control circuit 13 and the second control circuit 23 through the third flat cable interface to supply power to each control circuit.
In this embodiment, the communication module 2 further includes an RS485 interface 22 disposed on the circuit board, and the second control circuit 23 is connected to an external upper system through the RS485 interface 22. The RS484 interface can be connected with an external upper system through an NBRIT serial port or WIFI.
In this embodiment, the voltage sensor 15 is used for acquiring a voltage signal of each circuit breaker module 3, the first control circuit 13 can compare the voltage value and transmit the voltage signal to the communication module 2, and if the voltage is lower than or higher than the range specified by the circuit breaker, the control module 1 will issue an instruction to control the motor gear control mechanism 14 to drive the handle 32 to move so as to cut off the circuit breaker module 3; if the voltage is within the range specified by the circuit breaker, the control module 1 does not issue an instruction; if the voltage is recovered to be within the range specified by the circuit breaker, the control module 1 issues an instruction to control the motor gear control mechanism 14 to drive the handle 32 to move so as to switch on the circuit breaker module 3.
In this embodiment, the second control circuit 23 of the communication module 2 receives the electrical signal transmitted by the first circuit of the control module 1, and arranges the electrical signal into data to be transmitted to the external superior system through the RS485 interface 22, and the external superior system can perform corresponding analysis on the data and provide reference for relevant personnel.
In this embodiment, the current sensor 34 in the circuit breaker module 3 is used for collecting and transmitting a current value of an electric circuit (a third control circuit 33) for the circuit breaker module 3, and transmitting the current value to the control module 1 through the pin header 6, the control module 1 transmits the current value to the communication module 2, the communication module 2 collates an electric signal into data and transmits the data to an external superior system through the RS485 interface 22, and the external superior system can perform corresponding analysis on the data and give a reference to related personnel.
The temperature sensor 35 in the circuit breaker module 3 is used for acquiring the temperature of the wiring terminal 40 in the circuit breaker module 3 and transmitting the temperature value to the control module 1 through the pin header 6, and the control module 1 compares the temperature value with a set value and transmits the temperature value to the communication module 2; if the temperature value exceeds the range specified by the circuit breaker, the control module 1 sends an instruction to control the motor gear control mechanism 14 to drive the handle 32 to move, and then the circuit breaker module 3 is cut off; if the temperature does not exceed the specified range, the control module 1 does not issue an instruction.
In this embodiment, the current transformer 43 in the leakage module 4 collects the sum of each phase current vector of each breaker module 3, and transmits the vector sum electric signal to the control module 1, the control module 1 judges the vector sum electric signal, if the sum of the current vectors is greater than or equal to the residual current setting value, the control module 1 sends out an instruction to control the motor gear control mechanism 14 to drive the handle 32 to act, so as to realize tripping, opening and circuit breaking of the breaker; if the current value does not reach the residual current setting value, the control module 1 will not issue an instruction.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides a novel intelligence miniature circuit breaker, this circuit breaker have functions such as current detection, voltage detection, temperature detect, earth leakage protection, cross undervoltage protection, remote control, communication (multiple communication mode), can solve traditional miniature circuit breaker and measure the problem that unstable, the detection accuracy is low and function kind is few can not satisfy the customer demand.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (10)
1. A novel intelligent miniature circuit breaker is characterized in that: the circuit breaker comprises a power supply module, a control module, a communication module, a leakage module and a circuit breaker module; the control module with the communication module all through the winding displacement with power module links to each other, the circuit breaker module with the control module all with the electric leakage module links to each other, the circuit breaker module through arrange the needle with the control module links to each other.
2. The new intelligent miniature circuit breaker of claim 1, wherein: the control module comprises a first control circuit, a motor gear control mechanism and an execution mechanism, wherein the first control circuit comprises at least one voltage sensor, the motor gear control mechanism and the execution mechanism are connected with the circuit breaker module, the execution mechanism is connected with the first control circuit, and the first control circuit is connected with the power supply module through a flat cable.
3. The new intelligent miniature circuit breaker of claim 2, wherein: the control module further comprises voltage sensor connecting plates, and each voltage sensor is integrated on the voltage sensor connecting plates.
4. The new intelligent miniature circuit breaker of claim 3, wherein: the communication module comprises a second control circuit, and the second control circuit is connected with the first control circuit and the power module through a flat cable.
5. The new intelligent miniature circuit breaker of claim 4, wherein: the circuit breaker module comprises a third control circuit, a contact system, an arc extinguishing system, an operating mechanism, an electromagnetic release, a thermal release, a wiring terminal and a handle, wherein the contact system, the electromagnetic release and the thermal release are all connected with the operating mechanism; the third control circuit comprises a current sensor and a temperature sensor, the current sensor is connected with the first control circuit, and the temperature sensor is connected with the wiring terminal and the first control circuit.
6. The new intelligent miniature circuit breaker of claim 5, wherein: the circuit breaker module further comprises a current sensor connecting plate and a temperature sensor connecting plate, the current sensor and the temperature sensor are integrated on the current sensor connecting plate and the temperature sensor connecting plate respectively, and the current sensor connecting plate and the temperature sensor connecting plate are connected with a first control circuit through pins.
7. The new intelligent miniature circuit breaker of claim 6, wherein: the leakage module comprises a fourth control circuit and a terminal subsystem, the fourth control circuit comprises a current transformer, and the current transformer is connected with the first control circuit through a special flat cable; and each wiring terminal subsystem is connected with the wire outlet end of the breaker module through a copper wire, and each copper wire penetrates through the current transformer.
8. The new intelligent miniature circuit breaker of claim 7, wherein: the control module comprises a first shell, the first control circuit, the motor gear control mechanism, the voltage sensor, the actuating mechanism and the voltage sensor connecting plate are all arranged in the first shell, a first wiring interface is arranged at the top of the first shell, and the power supply module is connected with the first control circuit through the first wiring interface; the communication module comprises a second shell, the second control circuit is arranged in the second shell, a second flat cable interface is arranged at the top of the second shell, and the power supply module is connected with the second control circuit through the second flat cable interface; the circuit breaker module comprises a third shell, and the third control circuit, the current sensor, the temperature sensor, the contact system, the arc extinguishing system, the operating mechanism, the electromagnetic release, the thermal release, the wiring terminal, the handle, the current sensor connecting plate and the temperature sensor connecting plate are all arranged inside the third shell; the leakage module comprises a fourth shell, the fourth control circuit and the wiring terminal subsystem are both arranged inside the fourth shell, a special interface is arranged on the fourth control circuit, and the first control circuit is connected with the special interface through the special flat cable.
9. The new intelligent miniature circuit breaker of claim 8, wherein: the power module comprises a fifth shell and a power supply circuit, the power supply circuit is arranged in the fifth shell, a third flat cable interface is arranged on the fifth shell, and the power supply circuit is connected with the first control circuit and the second control circuit through the third flat cable interface.
10. The new intelligent miniature circuit breaker of claim 9, wherein: the communication module further comprises an RS485 interface, and the second control circuit is connected with an external upper system through the RS485 interface.
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CN202021082553.3U CN211957569U (en) | 2020-06-12 | 2020-06-12 | Novel intelligent miniature circuit breaker |
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CN202021082553.3U CN211957569U (en) | 2020-06-12 | 2020-06-12 | Novel intelligent miniature circuit breaker |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114388312A (en) * | 2021-12-31 | 2022-04-22 | 杭州拓深科技有限公司 | A splicable small circuit breaker with leakage protection and multi-feature acquisition |
CN114496666A (en) * | 2021-12-31 | 2022-05-13 | 杭州拓深科技有限公司 | Can splice miniature circuit breaker with multi-feature gathers |
CN114664604A (en) * | 2022-02-24 | 2022-06-24 | 深圳曼顿科技有限公司 | Circuit breaker |
-
2020
- 2020-06-12 CN CN202021082553.3U patent/CN211957569U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114388312A (en) * | 2021-12-31 | 2022-04-22 | 杭州拓深科技有限公司 | A splicable small circuit breaker with leakage protection and multi-feature acquisition |
CN114496666A (en) * | 2021-12-31 | 2022-05-13 | 杭州拓深科技有限公司 | Can splice miniature circuit breaker with multi-feature gathers |
CN114664604A (en) * | 2022-02-24 | 2022-06-24 | 深圳曼顿科技有限公司 | Circuit breaker |
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