CN110098092A - A kind of the two poles of the earth miniature circuit breaker - Google Patents

Abstract

The present invention discloses a kind of the two poles of the earth miniature circuit breaker, including insulation crust, operating mechanism, at least one buckle releaser, at least one moving contact, at least one static contact, at least one current collector and electronic controller, the electronic controller includes at least the first electronic circuit board, an at least via hole is equipped on the insulation crust panel, the electronic circuit board is equipped with spininess plug terminal, the spininess plug terminal is connected with the integrated circuit of the electronic controller and is correspondingly arranged with the via hole, the breaker further includes communications electronics module, the communications electronics module includes an insulation casing and an at least electronic circuit board, the electronic circuit board is set in the insulation casing, the communications electronics module may pass through the via hole and be plugged on the spininess plug terminal.The two poles of the earth miniature circuit breaker of the invention, hot plugging can be realized while intelligent communication in a limited space by realizing, saved the time of maintenance or replacement, effectively reduced production cost.

Description

A kind of the two poles of the earth miniature circuit breaker

Technical field

The present invention relates to low voltage electrical apparatus technology fields, relate in particular to a kind of the two poles of the earth miniature circuit breaker.

Background technique

Miniature circuit breaker is a kind of important low-voltage variation electric appliance, be mainly used to route occur overload, short circuit, over-voltage, Protection is provided when under-voltage equal electric fault, with the fast development of intelligence manufacture, breaker intelligence, functional diversities, customization Chemical conversion is new application trend, and Intelligent internet of things is even more to be a dark horse, and correspondence with foreign country function becomes especially urgent.Existing the two poles of the earth There are the following problems for miniature circuit breaker:

1, existing intelligent breaker many places are in individual node autonomous working state, made a copy of when breaker breaks down fault data and Reason is very inconvenient, or even many times needs to be insinuated into hot line job in distribution box, and operation is extremely inconvenient and to there is very big peace Full hidden danger；

2, the realization of the existing miniature circuit breaker correspondence with foreign country function with correspondence with foreign country function mainly depends on wire communication Mode is routed relatively complicated；

3, it is already present in the product that wireless communication module is set in breaker, but the channel radio in this kind of product currently on the market Letter module needs to cut off the power in replacement or maintenance after by breaker carry out disassembly rear can be carried out, this give product maintenance or Update brings big inconvenience；

4, in the product layout of existing the two poles of the earth miniature circuit breaker, to guarantee good properties of product, operating mechanism needs to occupy Middle design, then electronic circuit board in arranging electronic controller, existing electric wire are come in the position further according to the operating mechanism Road plate is largely each perpendicular to the side plate setting of breaker, and such arrangement leads to the small volume of electronic circuit board, externally The setting of communication module is limited by very large in space, seriously constrains the realization of intelligent product function.

Summary of the invention

Based on the above background, the present invention provides a kind of the two poles of the earth miniature circuit breaker, can effectively solve the above problems, limited Hot plugging can be realized while intelligent communication by realizing in space, and the time of maintenance or replacement is greatly saved, effectively reduces Production cost.

Following technical proposal can be used to realize in above-mentioned purpose of the invention:

A kind of the two poles of the earth miniature circuit breaker, including insulation crust, operating mechanism, at least one buckle releaser, at least one moving contact, extremely A few static contact, at least one current collector and electronic controller, the electronic controller include at least the first electronics electricity Road plate is equipped with an at least via hole on the insulation crust panel, and the electronic circuit board is equipped with spininess plug terminal, described Spininess plug terminal is connected with the integrated circuit of the electronic controller and is correspondingly arranged with the via hole, and the breaker also wraps Communications electronics module is included, the communications electronics module includes an insulation casing and an at least electronic circuit board, the electronic circuit Plate is set in the insulation casing, and the communications electronics module may pass through the via hole and be plugged on the spininess plug terminal.

Preferably, the current collector is set to around the electronic controller.

Preferably, the operating mechanism includes handle, the current collector be set to the lower section of the handle, left or Right.

Preferably, the operating mechanism includes handle, and the length direction of the communications electronics module can be with the handle The perpendicular or parallel setting of axis.

Preferably, the via hole can be the strip hole of generally rectangular, oval, kidney-shaped or irregular shape.

Preferably, the current collector be current sensor, zero sequence current mutual inductor or current transformer at least It is a kind of.

Preferably, the buckle releaser is at least one of overload protection buckle releaser or shunt release.

Preferably, the communication electronics module is bluetooth communication module or bluetooth communication and carrier communication integration module.

Preferably, contact pin is equipped on second electronic circuit board, the contact pin can be inserted into the spininess plug terminal In.

Preferably, the communication electronics module further includes limited block, and the limited block is equipped with buckle structure.

The beneficial effects of the invention are as follows external control centre, outside control can be connected by wired or wireless communication mode Center processed can accurately understand the various status informations of breaker, greatly improve Aftercurrent protection circuit breaker intelligent level, In addition, when needing to carry out the communication electronics module security software upgrading or hardware module upgrading, and maintenance is replaced When changing, hot plugging can be realized while intelligent communication in a limited space by realizing, the time of maintenance or replacement is greatly saved, Effectively reduce production cost.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the structural schematic diagram of communications electronics module insert state of the invention.

Fig. 2 is another angle schematic diagram of communications electronics module insert state of the invention.

Fig. 3 is that communications electronics module of the invention of the invention extracts status architecture schematic diagram.

Fig. 4 is communications electronics module decomposition schematic diagram of the invention.

Fig. 5 is overall structure top view of the invention.

Fig. 6 is electronic controller internal circuit diagram of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The positional terms such as "upper" of the invention, "lower", "left", "right", " vertical ", " parallel ", " front and back " are shown in Fig. 1 Subject to position.

It please refers to shown in Fig. 1 to Fig. 5, as an example property embodiment, the invention discloses a kind of two minimal types are disconnected Road device 100, two minimal type open circuit 100 include insulation crust 110, operating mechanism 120, at least one buckle releaser 130, at least One moving contact 140, at least one static contact 150, at least one current collector 160 and electronic controller 170, the operation Mechanism 120, at least one buckle releaser 130, at least one moving contact 140, at least one static contact 150, at least one electric current are adopted Storage 160 and electronic controller 170 are set in the insulation crust 110, and the operating mechanism 120 includes handle 121, operation Mechanism 120 is connected with the moving contact 140, and operating the handle 121 rotates the handle 121 around its center of circle, can drive institute The movement of operating mechanism 120 is stated, and then the operating mechanism 120 drives the moving contact 140 to act, to realize the moving contact 140 with the disconnection and closure of the static contact 150, in the present embodiment, the static contact 150 includes the pole L static contact and N extremely quiet Contact 151, the electronic controller 170 include an at least electronic circuit board.

The insulation crust 110 includes side plate 112, axis of the side plate 112 perpendicular to 121 center of rotation of handle Line, is equipped with an at least via hole 111 on the panel of the insulation crust 110 of the breaker 100, and the electronic controller 170 wraps The first electronic circuit board 171 is included, the side plate 112 of first electronic circuit board 171 and the breaker 100 is arranged in parallel, First electronic circuit board 171 is equipped with spininess plug terminal 172, the spininess plug terminal 172 and the electronic control The integrated circuit of device 170 is connected, and is correspondingly arranged with the via hole 111.

The via hole 111 can be the strips such as rectangular, oval, kidney-shaped or irregular hole hole, as long as the nothing can be accommodated Line telecommunications module 180 passes through, herein with no restrictions, in the present embodiment, because first electronic circuit board 171 is The via hole 111 is correspondingly arranged as slot by rectangle.Preferably, being additionally provided with location hole 112, institute on the via hole 111 The foolproof function that location hole 112 is stated when can realize the wireless electronic communication module 180 assembly.

It please refers to shown in Fig. 2, in the present embodiment, the pole N static contact 151 is equipped with bending part 152, the bending part 152 are arranged in parallel with first electronic circuit board 171, and the overbending direction of the bending part 152 is disposed far from described first The side of electronic circuit board 171, therefore enough spaces can be provided for the extension of the first electronic circuit board 171 increase, at this In embodiment, first electronic circuit board 171 can extend to leading-out terminal from the end of incoming cables of the breaker 100, limited The functional requirement of product can be fully met in space.

Insulation cover plate 153 is additionally provided between the pole N static contact 151 and first electronic circuit board 171, it is described exhausted Edge cover board 153 is covered on first electronic circuit board 171, can be by first electronic circuit board 171 and the breaker 100 other electrical components such as contact system, arc quenching system etc. carry out electric insulation, guarantee product using safe.

The two poles of the earth miniature circuit breaker 100 further includes communication electronics module 180, and the communications electronics module 180 may pass through The via hole 111 is plugged on the spininess plug terminal 172.Specifically, the wireless telecommunications electronic module 180 includes insulation Housing 181 and at least one piece of second electronic circuit board 182, second electronic circuit board 182 are set to the insulation casing 181 Interior, the insulation casing 181 can play the role of insulation and the protection of EMC noise reduction to the electronic circuit board 182.Described second Electronic circuit board 182 is equipped with and the corresponding contact pin 183 of the spininess plug terminal 172, and the contact pin 183 can be inserted into described Spininess plug terminal 172 is extracted from the spininess plug terminal 172, when needs are to the wireless telecommunications electronic module 180 Security software upgrading or hardware module upgrading are carried out, and when maintenance replacement, it is only necessary to by the contact pin 183 from described It is extracted in spininess plug terminal 172, it is simple and convenient.

The communications electronics module 180 further includes limited block 184, and buckle, the buckle are equipped on the limited block 184 In turn through the insulation casing 181 and the second electronic circuit board 182 and after being stuck in second electronic circuit board 182, from And realize the limit to second electronic circuit board 182.

The communications electronics module 180 can be wireless communication module, or wire communication module, or have Line communication module and wireless communication module it is integrated, the wireless module includes but is not limited to bluetooth communication, Zigbee logical Believe module, infrared communication module, WIFI communication module or GPRS communication module, the wired module includes but is not limited to that PLC is carried Wave communication, RS-485 communication or RS-232 communication, the wired module and wireless module it is integrated include but is not limited to be bluetooth With carrier communication integration module.

It please refers to shown in Fig. 5, the direction of insertion of the communications electronics module 180 can be with the center of rotation of the handle 121 Axis is parallel or is vertically arranged, and the communications electronics module 180 can be set to the left or right side of the handle 121.

In some embodiments, because needing to meet the needs of to product space or function, the two poles of the earth miniature circuit breaker 100 It can also include an attachment 101, the appearance profile and the two poles of the earth miniature circuit breaker ontology of attachment 101 described in the attachment 101 It is identical, and can the width direction directly along the breaker body spliced, the spliced attachment 101 can be set to described Above or below breaker body, first electronic circuit board 170 can be set in the attachment 101, corresponding, the mistake Hole 111 and the communications electronics module 180 can be set on the attachment 101, at this point, the communications electronics module 180 is located at institute It states above or below handle 121, the overall width of the two poles of the earth miniature circuit breaker equipped with attachment 101 is not more than 45mm.

In one embodiment, the current collector 160 is zero sequence transformer, the pole L and the pole N of major loop in breaker Two conducting wires both pass through the hole heart of the zero sequence transformer, and then the real-time monitoring to residual current in major loop may be implemented, The sustainable residual current signal that will be monitored of the zero sequence transformer is sent to the electronic controller 170, and the zero sequence is mutual Sensor can be located at lower section, left or the right of the handle 121, and can be located at the top of the electronic controller 170, lower section, Left side, right side, front or behind any position.

In another embodiment, the current collector 160 is current transformer, the pole L of major loop in the breaker Or N extremely in conducting wire pass through the hole heart of the current transformer, and then the real-time monitoring to main circuit current may be implemented, The sustainable main circuit current signal that will be monitored of the current transformer is sent to the electronic controller 170.

Certainly, the current collector 160 can be current sensor, or current sensor, zero-sequence current are mutual At least one of sensor or current transformer or two or more combinations are carried out according to the function to be realized of the breaker Setting, herein with no restrictions.

The buckle releaser 130 can be one of overload protection buckle releaser or shunt release, be also possible to the two It is used in combination, different breaker producers can select to realize the type protected according to actual needs, such as overload long delay and protect Shield, short-circuit protection or both have, it is not limited here.

It please referring to shown in Fig. 6, the integrated circuit of the electronic controller 170 includes data processing circuit and power circuit, The data processing circuit can receive and handle data, and the core devices of the data processing circuit are microcontroller, described micro- Controller can be single-chip microcontroller, pass through the exportable signal of the single-chip microcontroller.The power circuit input signal be derived from breaker into Line end is extremely connected with the pole L of end of incoming cables and N respectively, other electricity that power circuit output signal is used for as electronic controller 170 Road power supply.

In a preferred embodiment, the integrated circuit of the electronic controller 170 is including further including trip circuit, preferably Ground, the exportable signal of single-chip microcontroller to trip circuit make breaker 100 thread off to can control shunt release movement.

In a preferred embodiment, the integrated circuit of the electronic controller 170 further includes main circuit current detection circuit With residual current detection circuit, the main circuit current detection circuit and residual current detection circuit input signal are taken respectively from electricity Flow sensor and zero sequence current mutual inductor, output signal are all connected to data processing circuit, it is preferable that main circuit current detection electricity Road and residual current detection circuit are mainly made of devices such as the required capacitance-resistances of operational amplifier and its necessary periphery, the number The analog signal that current detection circuit and residual current detection circuit input is converted into digital signal according to processing circuit, and is calculated Each phase current values and residual current value out, micro-control unit judge to determine according to the current value and circuit-breaker status that measure disconnected The working condition of road device, while can also be according to the residual current value of acquisition and the opening of residual current protecting or opening and closing feelings Whether condition determines protection.

In a preferred embodiment, the integrated circuit of the electronic controller 170 further includes telecommunication circuit, the communication electricity The communication of Lu Keyu monitoring center is realized to the telemetering of breaker, remote signalling and remote regulating function.When it is implemented, by communication function, The divide-shut brake shape that monitoring center can remotely read the electrical network parameters such as electric current, the residual current of breaker, can remotely obtain breaker State, and the tripping failure cause of breaker can be remotely obtained, in the present embodiment, the telecommunication circuit is using hot-pluggable The mode of communications electronics module 180 realizes, i.e., can be by the communications electronics mould in the case where the breaker 100 does not power off Block 180 takes out from the inside of the breaker 100 and is replaced or safeguarded.

In a preferred embodiment, the integrated circuit further includes human-computer interaction circuit, and the human-computer interaction circuit includes Display circuit and multifunctional button, the display circuit are connected with the data processing circuit, and can receive the data processing The data that circuit is sent are shown on the display screen of the electronic controller 170；The multifunctional button includes indicator light 174 With test button 173, the indicator light 174 can indicate the operating status and tripping type of breaker 100, the test button 173 are used for opening or closing for the test function of residual current.

In a preferred embodiment, the integrated circuit further includes hookup, the input terminal of the hookup and institute The pole L for stating breaker 100 is extremely connected with N, and output end is connected with the data processing unit, when pass through the test button 173 When opening or closing hookup, order is transferred to the hookup by the data processing unit, and the hookup connects Whether the residual current protecting function of can detect breaker 100 at this time after to instruction can normally start.

In a preferred embodiment, the integrated circuit further includes divide-shut brake detection circuit, the divide-shut brake detection circuit Can real-time monitoring breaker separating brake or "on" position, and the status information is transferred to the data processing circuit, it is described Status information is transferred to external control centre by the telecommunication circuit again by data processing circuit.

In a preferred embodiment, the integrated circuit further includes voltage collection circuit, the voltage collection circuit and institute It states data processing circuit to be connected, it can be achieved that real-time monitoring to breaker main circuit voltage, and by the real-time data transmission of monitoring To the data processing circuit.

In a preferred embodiment, the integrated circuit further includes temperature collection circuit, the temperature collection circuit and institute It states data processing circuit to be connected, it can be achieved that real-time monitoring to circuit breaker internal temperature, and the real-time data transmission of monitoring is given The data processing circuit.

The foregoing is merely a prefered embodiment of the invention, and those skilled in the art can be with according to application documents disclosure Various changes or modifications are carried out without departing from the spirit and scope of the present invention to the embodiment of the present invention.

Claims (10)

1. a kind of the two poles of the earth miniature circuit breaker (100), including insulation crust (110), operating mechanism (120), at least one buckle releaser (130), at least one moving contact (140), at least one static contact (150), at least one current collector (160) and electronics control Device (170) processed, the electronic controller (170) includes at least an electronic circuit board (171), in the insulation crust (110) Panel is equipped with an at least via hole (111), and the electronic circuit board (171) is equipped with spininess plug terminal (172), the spininess Plug terminal (172) is connected with the integrated circuit of the electronic controller (170) and is correspondingly arranged with the via hole (111), institute Stating breaker (100) further includes communications electronics module (180), and the communications electronics module (180) includes an insulation casing (181) An at least electronic circuit board (182), the electronic circuit board (182) are set in the insulation casing (181), and feature exists In the communications electronics module (180) may pass through the via hole (111) and be plugged on the spininess plug terminal (172).

2. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the current collector (160) sets Around the electronic controller (170).

3. a kind of the two poles of the earth miniature circuit breaker according to claim 1 or 2, which is characterized in that operating mechanism (120) packet It includes handle (121), the current collector (160) is set to the lower section, left or right of the handle (121).

4. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the operating mechanism (120) includes Handle (121), the direction of insertion of the communications electronics module (180) can with the axis of the handle (121) is perpendicular or parallel sets It sets.

5. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the via hole (111) can be for substantially It is rectangle, oval, kidney-shaped or irregular shape strip hole.

6. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the current collector (160) is At least one of current sensor, zero sequence current mutual inductor or current transformer.

7. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the buckle releaser (130) is overload Protect at least one of buckle releaser or shunt release.

8. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that the communication electronics module (180) For bluetooth communication module or bluetooth communication and carrier communication integration module.

9. a kind of the two poles of the earth miniature circuit breaker according to claim 1, which is characterized in that in second electronic circuit board (182) contact pin (183) are equipped with, the contact pin (183) can be inserted into the spininess plug terminal (172).

10. a kind of the two poles of the earth miniature circuit breaker according to claim 9, which is characterized in that the communication electronics module (180) It further include limited block (184), the limited block (184) is equipped with buckle structure.