CN210006681U - two-pole miniature circuit breaker - Google Patents
two-pole miniature circuit breaker Download PDFInfo
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- CN210006681U CN210006681U CN201920666554.3U CN201920666554U CN210006681U CN 210006681 U CN210006681 U CN 210006681U CN 201920666554 U CN201920666554 U CN 201920666554U CN 210006681 U CN210006681 U CN 210006681U
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Abstract
The utility model discloses an two poles of earth miniature circuit breaker, including insulating casing, operating device, at least tripper, at least moving contacts, static contacts at least, at least electric current collectors and electronic controller, electronic controller includes electronic circuit board at least be equipped with at least via holes on the insulating casing panel, be equipped with the multi-needle on the electronic circuit board and insert the terminal, the multi-needle insert the terminal with electronic controller's integrated circuit link to each other and with the via hole corresponds the setting, the circuit breaker still includes communication electronic module, communication electronic module includes insulating housing and at least electronic circuit board, electronic circuit board locates in the insulating housing, communication electronic module can pass the via hole peg graft in on the multi-needle inserts the terminal, the utility model discloses a two poles of earth miniature circuit breaker can realize electrified plug when intelligent communication in the finite space, has saved the time of maintenance or change, has effectively reduced manufacturing cost.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, specifically speaking relate to two poles of the earth miniature circuit breaker.
Background
The miniature circuit breaker is kinds of important low voltage protection electrical apparatus, mainly used for providing the protection when the circuit takes place to transship, short circuit, excessive pressure, undervoltage etc. power consumption trouble, along with the rapid development of intelligent manufacturing, the circuit breaker is intelligent, the function is diversified, the customization becomes new application trend, the intelligence thing networking is the army of the different army more outstanding, and external communication function becomes especially urgent.
1. Most of the existing intelligent circuit breakers are in a single-node independent working state, fault data and reasons are very inconvenient to record when the circuit breakers break down, even the circuit breakers need to be explored into a distribution box for live operation in many times, the operation is very inconvenient, and great potential safety hazards exist;
2. the conventional miniature circuit breaker with the external communication function mainly depends on a wired communication mode, and the wiring is complicated;
3. at present, products with wireless communication modules arranged in circuit breakers appear in the market, but in the products, the wireless communication modules can be detached after the circuit breakers are required to be powered off when being replaced or maintained, and great inconvenience is brought to maintenance or updating of the products;
4. in the product overall arrangement of current two-pole miniature circuit breaker, for guaranteeing good product property can, operating device need design placed in the middle, then according to operating device's position arranges the electronic circuit board among the electronic controller, and the electronic circuit board most all perpendicular to circuit breaker's that has now curb plate sets up, and this kind of arrangement mode leads to the volume of electronic circuit board less, and the setting of external communication module has received very big restriction in the space, has seriously restricted the realization of product intelligent function.
Disclosure of Invention
Based on the above background, the utility model provides an two poles of the earth miniature circuit breaker can effectively solve above-mentioned problem, can realize hot plug when realizing intelligent communication in limited space, has saved the time of maintenance or change greatly, has effectively reduced manufacturing cost.
The above object of the present invention can be achieved by the following technical solutions:
two-pole miniature circuit breaker, including insulating casing, operating device, tripper at least, at least moving contacts, at least static contacts, at least electric current collectors and electronic controller, electronic controller includes electronic circuit board at least be equipped with at least via holes on the insulating casing panel, be equipped with the multi-pin on the electronic circuit board and insert the terminal, the multi-pin insert the terminal with electronic controller's integrated circuit link to each other and with the via hole corresponds the setting, the circuit breaker still includes communication electronic module, communication electronic module includes insulating housing and at least electronic circuit board, electronic circuit board locates in the insulating housing, communication electronic module can pass the via hole peg graft in on the multi-pin inserts the terminal.
Preferably, the current collector is arranged around the electronic controller.
Preferably, the operating mechanism comprises a handle, and the current collector is arranged below, on the left or on the right of the handle.
Preferably, the operating mechanism comprises a handle, and the length direction of the communication electronic module can be perpendicular to or parallel to the axis of the handle.
Preferably, the through hole may be a strip-shaped hole having a substantially rectangular shape, an oval shape, a kidney shape, or an irregular shape.
Preferably, the current collectors are at least current sensors, zero sequence current transformers or current transformers.
Preferably, the tripper is at least of overload protection tripper or shunt tripper.
Preferably, the communication electronic module is a bluetooth communication module or a bluetooth communication and carrier communication integrated module.
Preferably, the second electronic circuit board is provided with a contact pin, and the contact pin can be inserted into the multi-pin connector terminal.
Preferably, the communication electronic module further comprises a limiting block, and a buckle structure is arranged on the limiting block.
The beneficial effects of the utility model are that can connect external control center through wired or wireless communication mode, various state information of circuit breaker can accurately be known to external control center, and very big improvement residual current protects the intelligent level of circuit breaker, and in addition, it is right as required communication electronic module carries out safe software upgrading or hardware module upgrading change to and when the maintenance replacement, can realize electrified plug when realizing intelligent communication in the finite space, saved the time of maintenance or change greatly, effectively reduced manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the insertion state of the communication electronic module according to the present invention.
Fig. 2 is another -degree schematic diagram of the insertion state of the communication electronic module according to the present invention.
Fig. 3 is a schematic diagram of the communication electronic module of the present invention showing the state of being extracted.
Fig. 4 is an exploded view of the communication electronic module of the present invention.
Fig. 5 is a top view of the overall structure of the present invention.
Fig. 6 is an internal circuit diagram of the electronic controller of the present invention.
Detailed Description
The technical solution 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 , but not all embodiments.
The terms of orientation of the present invention such as "upper", "lower", "left", "right", "vertical", "parallel", "front and back" are based on the position shown in fig. 1.
Referring to fig. 1 to 5, as exemplary embodiments, the present invention discloses a two-pole miniature circuit breaker 100, where the two-pole miniature circuit breaker 100 includes an insulating housing 110, an operating mechanism 120, at least 0 releases 130, at least moving contacts 140, at least static contacts 150, at least current collectors 160, and an electronic controller 170, the operating mechanism 120, at least releases 130, at least moving contacts 140, at least static contacts 150, at least current collectors 160, and the electronic controller 170 are all disposed in the insulating housing 110, the operating mechanism 120 includes a handle 121, the operating mechanism 120 is connected to the moving contacts 140, the handle 121 is operated to rotate around a circle center of the handle 121, the operating mechanism 120 can be driven to move, and the operating mechanism 120 drives the moving contacts 140 to move, so as to realize the opening and closing of the moving contacts 140 and the static contacts 150, in this embodiment, the static contacts 150 include an L-pole static contact and an N-pole static contact 151, and the electronic controller 170 includes at least .
The via hole 111 may be a square, oval, kidney-shaped or irregular hole, as long as the wireless electronic communication module 180 can pass through the via hole, and the present embodiment is not limited thereto, and in this embodiment, the th electronic circuit board 171 is a rectangle, and the via hole 111 is correspondingly configured as a rectangular hole, preferably, the via hole 111 is further provided with a positioning hole 112, and the positioning hole 112 can achieve the foolproof effect when the wireless electronic communication module 180 is assembled.
Referring to fig. 2, in the present embodiment, the N-pole stationary contact 151 is provided with a bending portion 152, the bending portion 152 is disposed in parallel with the th electronic circuit board 171, and the bending direction of the bending portion 152 is disposed at a side far away from the th electronic circuit board 171, so that a sufficient space is provided for the extension of the th electronic circuit board 171, in the present embodiment, the th electronic circuit board 171 can extend from the incoming line end to the outgoing line end of the circuit breaker 100, and the functional requirements of the product can be completely met in the limited space.
An insulating cover plate 153 is further disposed between the N-pole fixed contact 151 and the electronic circuit board 171, and the insulating cover plate 153 covers the electronic circuit board 171, so that the electronic circuit board 171 can be electrically insulated from other electrical elements of the circuit breaker 100, such as a contact system and an arc extinguishing system, and the use safety of the product is ensured.
The two-pole miniature circuit breaker 100 further comprises a communication electronic module 180, wherein the communication electronic module 180 can pass through the through hole 111 and be plugged on the multi-pin plug terminal 172, specifically, the wireless communication electronic module 180 comprises an insulating housing 181 and at least second electronic circuit boards 182, the second electronic circuit boards 182 are arranged in the insulating housing 181, and the insulating housing 181 can insulate the electronic circuit boards 182 and protect the noise of EMC, and the second electronic circuit boards 182 are provided with pins 183 corresponding to the multi-pin plug terminal 172, the pins 183 can be plugged into the multi-pin plug terminal 172 or pulled out of the multi-pin plug terminal 172, when the wireless communication electronic module 180 needs to be upgraded and replaced by safe software or hardware modules, and when maintenance and replacement are carried out, the pins 183 only need to be pulled out of the multi-pin plug terminal 172, which is simple and convenient.
The communication electronic module 180 further comprises a limiting block 184, wherein a buckle is arranged on the limiting block 184, and the buckle can sequentially penetrate through the insulating cover 181 and the second electronic circuit board 182 and is clamped behind the second electronic circuit board 182, so that the second electronic circuit board 182 is limited.
The communication electronic module 180 may be a wireless communication module, a wired communication module, or an integration of a wired communication module and a wireless communication module, the wireless module includes but is not limited to a bluetooth communication module, a Zigbee communication module, an infrared communication module, a WIFI communication module, or a GPRS communication module, the wired module includes but is not limited to PLC carrier communication, RS-485 communication, or RS-232 communication, and the integration of the wired module and the wireless module includes but is not limited to a bluetooth and carrier communication integrated module.
Referring to fig. 5, the insertion direction of the communication electronic module 180 may be parallel to or perpendicular to the rotation central axis of the handle 121, and the communication electronic module 180 may be disposed on the left side or the right side of the handle 121.
In embodiments, because of the demand for product space or function that needs to be satisfied, two poles of the earth miniature circuit breaker 100 can also include annex 101, annex 101 the appearance profile of annex 101 with two poles of the earth miniature circuit breaker body is the same, and can directly follow the width direction of circuit breaker body splices, after the concatenation annex 101 can be located the top or the below of circuit breaker body, electronics circuit board 170 can be located in the annex 101, it is corresponding, via hole 111 with communication electronics module 180 can be located on the annex 101, at this moment, communication electronics module 180 is located the top or the below of handle 121, the total width of two poles of the earth miniature circuit breaker that is equipped with annex 101 is not more than 45 mm.
In embodiments, the current collector 160 is a zero sequence transformer, and two wires of the L pole and the N pole of the main circuit in the circuit breaker pass through the hole center of the zero sequence transformer, so that the real-time monitoring of the residual current in the main circuit can be realized, the zero sequence transformer can continuously send the monitored residual current signal to the electronic controller 170, the zero sequence transformer can be located below, on the left or on the right of the handle 121, and can be located at any position above, below, on the left, on the right, in front of or behind the electronic controller 170.
In another embodiment, the current collector 160 is a current transformer, and conductors in the L pole or N pole of the main circuit of the circuit breaker pass through the hole center of the current transformer, so that the real-time monitoring of the main circuit current can be realized, and the current transformer can continuously send the monitored main circuit current signal to the electronic controller 170.
Of course, the current collector 160 may be a current sensor, or may be at least or a combination of two or more of the current sensor, the zero sequence current transformer, or the current transformer, and the setting may be performed according to the function to be implemented by the circuit breaker, which is not limited herein.
The release 130 may be types of overload protection releases or shunt release, or a combination of the two, and different circuit breaker manufacturers may select the type of protection according to actual requirements, such as overload long-delay protection, short-circuit protection, or both, which is not limited herein.
Referring to fig. 6, the integrated circuit of the electronic controller 170 includes a data processing circuit and a power circuit, the data processing circuit can receive and process data, a core device of the data processing circuit is a microcontroller, and the microcontroller can be a single chip microcomputer, and signals can be output through the single chip microcomputer. The input signal of the power circuit is taken from the incoming line end of the circuit breaker and is respectively connected with the L pole and the N pole of the incoming line end, and the output signal of the power circuit is used for supplying power to other circuits of the electronic controller 170.
In the preferred embodiment , the integrated circuit of the electronic controller 170 further includes a trip circuit, and the single-chip microcomputer preferably outputs a signal to the trip circuit to control the shunt release to trip the circuit breaker 100.
In , the integrated circuit of the electronic controller 170 further includes a main loop current detection circuit and a residual current detection circuit, the input signals of the main loop current detection circuit and the residual current detection circuit are respectively obtained from a current sensor and a zero sequence current transformer, the output signals are both connected to a data processing circuit, preferably, the main loop current detection circuit and the residual current detection circuit are mainly composed of an operational amplifier and necessary devices such as resistance-capacitance devices required by the periphery thereof, the data processing circuit converts the analog signals input by the current detection circuit and the residual current detection circuit into digital signals and calculates the current value of each phase and the residual current value, the micro control unit determines the working state of the circuit breaker according to the measured current value and the state of the circuit breaker, and determines whether to protect the circuit breaker according to the collected residual current value and the opening or closing condition of the residual current protection.
, the integrated circuit of the electronic controller 170 further includes a communication circuit, which can communicate with a monitoring center to realize the functions of remote measurement, remote signaling and remote adjustment for the circuit breaker, in the specific implementation, through the communication function, the monitoring center can remotely read the parameters of the power grid such as the current and residual current of the circuit breaker, remotely obtain the opening and closing states of the circuit breaker, and remotely obtain the reason for the trip fault of the circuit breaker, in this embodiment, the communication circuit is implemented by using the hot-pluggable communication electronic module 180, that is, the communication electronic module 180 can be taken out from the inside of the circuit breaker 100 for replacement or maintenance without powering off the circuit breaker 100.
In the preferred embodiment, the integrated circuit further includes a human-computer interaction circuit, which includes a display circuit and a multi-function button, the display circuit is connected to the data processing circuit and can receive the data sent by the data processing circuit and display the data on the display screen of the electronic controller 170, the multi-function button includes an indicator light 174 and a test button 173, the indicator light 174 can indicate the operation state and the tripping type of the circuit breaker 100, and the test button 173 is used for turning on or off the test function of the residual current.
, the integrated circuit further includes a test circuit, the input terminal of the test circuit is connected to the L pole and N pole of the circuit breaker 100, the output terminal is connected to the data processing unit, when the test circuit is turned on or off by the test button 173, the data processing unit transmits a command to the test circuit, and the test circuit receives the command to detect whether the residual current protection function of the circuit breaker 100 can be normally started.
In , the integrated circuit further includes a switch detection circuit, which can monitor the open or close state of the circuit breaker in real time and transmit the state information to the data processing circuit, and the data processing circuit transmits the state information to an external control center through the communication circuit.
In , the integrated circuit further includes a voltage acquisition circuit connected to the data processing circuit for real-time monitoring of the main circuit voltage of the circuit breaker and transmitting the monitored data to the data processing circuit in real time.
In , the integrated circuit further includes a temperature acquisition circuit connected to the data processing circuit for real-time monitoring of the internal temperature of the circuit breaker and transmitting the monitored data to the data processing circuit in real time.
The above is merely a preferred embodiment of the present invention, and those skilled in the art can make various changes or modifications to the embodiment of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (10)
1, two-pole miniature circuit breaker (100), including insulating casing (110), operating device (120), trippers (130) at least, 0 at least moving contacts (140), at least static contacts (150), at least electric current collectors (160) and electronic controller (170), electronic controller (170) includes electronic circuit board (171) at least, be equipped with at least via hole (111) on the panel of insulating casing (110), be equipped with many needles on electronic circuit board (171) and connect in the same place terminal (172), many needles connect in the same place terminal (172) with the integrated circuit of electronic controller (170) links to each other and with via hole (111) corresponds the setting, circuit breaker (100) still includes communication electronics module (180), communication electronics module (180) includes insulating housing (181) and at least second electronic circuit board (182), second electronic circuit board (182) are located in insulating housing (181), its characterized in that communication electronics module (180) can pass through connect in the plug in the terminal (111) on many needles connect in the via hole (172).
2. two-pole miniature circuit breaker according to claim 1, characterized in that the current collector (160) is provided around the electronic controller (170).
3. two-pole miniature circuit breaker according to claim 1 or 2, characterized in that the operating mechanism (120) comprises a handle (121), the current collector (160) being arranged below, to the left or to the right of the handle (121).
4. two-pole miniature circuit breaker according to claim 1, characterized in that the operating mechanism (120) comprises a handle (121), the insertion direction of the communication electronics module (180) being arranged perpendicular or parallel to the axis of the handle (121).
5. two-pole miniature circuit breaker according to claim 1, characterized in that said through hole (111) can be a strip-like hole of substantially rectangular, oval, kidney-shaped or irregular shape.
6. two-pole miniature circuit breaker according to claim 1, characterized in that the current collectors (160) are at least of current sensors, zero sequence current transformers or current transformers.
7. The two-pole miniature circuit breaker of claim 1, wherein the trip unit (130) is at least of an overload protection trip unit or a shunt trip unit.
8. two-pole miniature circuit breaker according to claim 1, characterized in that the communication electronics module (180) is a Bluetooth communication module or an integrated Bluetooth communication and carrier communication module.
9. two-pole miniature circuit breaker according to claim 1, characterized in that a pin (183) is provided on said second electronic circuit board (182), said pin (183) being insertable into said multi-pin connector terminal (172).
10. The two-pole miniature circuit breaker of claim 9, wherein said communication electronics module (180) further comprises a stop block (184), said stop block (184) having a snap-fit arrangement thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666554.3U CN210006681U (en) | 2019-05-10 | 2019-05-10 | two-pole miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666554.3U CN210006681U (en) | 2019-05-10 | 2019-05-10 | two-pole miniature circuit breaker |
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| Publication Number | Publication Date |
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| CN210006681U true CN210006681U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920666554.3U Active CN210006681U (en) | 2019-05-10 | 2019-05-10 | two-pole miniature circuit breaker |
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| CN (1) | CN210006681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446733A (en) * | 2022-01-19 | 2022-05-06 | 中群电气有限公司 | Intelligent miniature circuit breaker of thing networking |
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2019
- 2019-05-10 CN CN201920666554.3U patent/CN210006681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446733A (en) * | 2022-01-19 | 2022-05-06 | 中群电气有限公司 | Intelligent miniature circuit breaker of thing networking |
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