CN202259066U - Multipolar/monopolar low-voltage intelligent circuit breaker - Google Patents
Multipolar/monopolar low-voltage intelligent circuit breaker Download PDFInfo
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- CN202259066U CN202259066U CN201120184978XU CN201120184978U CN202259066U CN 202259066 U CN202259066 U CN 202259066U CN 201120184978X U CN201120184978X U CN 201120184978XU CN 201120184978 U CN201120184978 U CN 201120184978U CN 202259066 U CN202259066 U CN 202259066U
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Abstract
The utility model discloses a multipolar/monopolar low-voltage intelligent circuit breaker. A shell of the multipolar/monopolar low-voltage intelligent circuit breaker is formed by a left end cover, a right end cover and one or more standard middle modules, wherein the left end cover, the right end cover and the standard middle module are connected into a whole by a riveted/threaded rod; a main circuit board and a control circuit board are arranged at the inner cavity of the shell; the main circuit board is provided with current, voltage, a zero sequence transformer, a temperature sensor, an energy-storage capacitor, an electromagnetic switch and a Hall sensor arranged on the electromagnetic switch; the control circuit board is provided with a MCU (Micro-programmed Control Unit) processor and a communication socket; an operation button and a red and green indicator light are arranged at the front of the shell; power input/output wiring posts are embedded at the middle parts of the upper side surface and the lower side surface of the shell respectively; and the left end cover and the right end cover are fixed with a standard communication spigot connected with the control circuit board respectively. The multipolar/monopolar low-voltage intelligent circuit breaker is small in size and compact in structure, is fixed reliably, is designed in modulation and standardization, and is convenient to use and mount; and moreover, the full intellectualization of digital protection, automatic control and communication function is really achieved.
Description
Technical field
The utility model relates to the switching device that usefulness was opened and broken off to a kind of Based Intelligent Control low-tension supply, especially has numerical protection, the low voltage switchgear of control and communication function automatically, belongs to the low voltage electrical equipment field.
Background technology
Current our country has proposed to develop the notion of intelligent electrical network; Wherein also comprise the intellectuality of low voltage electric network; And the intelligent most important part of low voltage electric network is the intellectuality of low-voltage circuit breaker, intelligent low-voltage circuit breaker must have simultaneously numerical protection, automatically control and communication function.At present; China just advances towards this direction; Many innovation works have been done by each big professional low-voltage electrical apparatus producer and scientific research institutions, and like the NB7 electric appliance series of positive Thailand, the products such as VB60 electric appliance series of the section that powers on, all these products all also belong to the primary stage of low-voltage intelligent circuit breaker; Only have general defencive function and selectivity function, do not have comprehensive defencive function, perfect control function and reliable communication function.And these circuit breakers all also rest on the mode of operation of machinery, also use the protection of electromagnetic principle.Therefore see that from use, control, defencive function these products all fail to obtain great breakthrough and innovation, also do not have intellectuality truly, this type of circuit breaker can't be referred to as intelligent breaker.
In addition, the current low-voltage circuit breaker that uses the on the market deficiency of ubiquity the following aspects also.
1, protection is single, and circuit breaker has only current protection, as increasing other defencive functions, then must increase the privacy protection unit.
2, protected mode is an electromagnetic type, and the protection precision is not high, insensitive, and can't realize protecting the free setting of definite value, and freely setting of moving back thrown in protection.
3, warning messages such as sound, light, literal can not be in time sent in the unusual or tripping operation of circuit breaker.
4, there is not reliable communication function, can not the whole disconnected and on-line monitoring of oneself.
5, control mode can only be controlled deciliter circuit breaker by on-site manual on the spot, do not have a distant place or distant control function, and control mode is a mechanical system.
6, the circuit breaker fixed form is a two-dimensional approach, is not easy to fix with regular, the back is installed becomes flexible distortion easily.
7, tripping operation speed is fixed, and cannot set tripping operation speed based on the big freedom in minor affairs of fault current.
Summary of the invention
The purpose of the utility model provide a kind of many/one pole low-voltage intelligent circuit breaker, but be realize numerical protection, comprehensive intellectuality of control and communication function provides a kind of carrier of practical application automatically, and volume is little, use with install all very convenient.
First technical scheme is that housing body is made up of left and right end cap and standard intermediate module; Standard intermediate module quantity is more than 1 or 1; The width of left and right end cap is 1/2nd of a standard intermediate module width, and riveting/screw rod joins left and right end cap and standard intermediate module together; The housing inner chamber is equipped with main circuit board and control circuit board; The Hall element that main circuit board is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch and is installed on it; MCU processor and socket communication are housed on the control circuit board; The housing front is provided with action button and red, green indicator light, and middle part, the upper and lower side of housing is embedded with power supply input/go out binding post respectively, is fixed with the standard communication interface that links to each other with control circuit board on the left and right end cap respectively.
There are 2 protruding kisses of triangle standard intermediate module upper side bottom and are positioned at the trapezoidal recess of protruding kiss both sides; Left and right end cap upper side bottom also has a protruding kiss of triangle respectively and is positioned at the trapezoidal recess of protruding kiss both sides; The triangle recess that 3 D stereo holder upper end is corresponding with the protruding kiss of triangle and trapezoidal protruding stupefied; Standard intermediate module, left and right end cap downside bottom have mortise lock to insert the slotted eye of usefulness respectively, on the 3 D stereo holder installing hole are arranged.
The intelligent breaker shell adopts modularization, standardized designs, and circuit breaker is made up of left end cap, several standard intermediate mass, right end cap, and promptly all circuit breakers all are the left, center, right structure, and its building block can generally exchange.The mode of connection that picks out the mode of connection and existing circuit breaker is similar, and the combination through module is connected the metal connection end is fixed on circuit breaker inside, and turnover line terminal position also is arranged on circuit breaker up and down on the side.Each parts adopts rivet rod or screw rod to connect each other, and a plurality of standard intermediate modules are combined into a circuit breaker integral body.There are light indication, action button in the front of circuit breaker; Indicator light is used for indicating deciliter state of circuit breaker; Red colored lamp indication circuit breaker is in "on" position, and green light indication circuit breaker is at gate-dividing state, and indicator light is glittering under failure condition; In order to remind circuit breaker fault to be arranged or tripping operation has taken place, need to handle and confirmation signal.Action button is used for carrying out the on-the-spot breaking-closing operating of circuit breaker, and the involution of fault-signal.On the left and right end cap of circuit breaker standard communication interface is arranged respectively, for making the standardization of communication connector, the circuit breaker standard communication interface of any number of poles equates that with the distance on end cap limit all communication connectors are a kind of specification.The circuit breaker base is for adopting the 3 D stereo holder of standardized designs; Triangle recess and trapezoidal protruding stupefied is arranged on it; Side lower part is corresponding on standard intermediate module and the left and right end cap has protruding kiss of triangle and a trapezoidal recess; Be used for the 3 D stereo holder on recess and protruding stupefied the cooperation, with the tight firm fixation of circuit breaker on base.Circuit breaker front lower bottom part is provided with the fixedly mortise lock of usefulness, extracts and push mortise lock out, just can pin or the release circuit breaker.
Intelligent breaker is inner to adopt the cavity design, so that the installation of circuit board and layout, two circuit boards of mounted inside, a main circuit board, a control circuit board for assembling MCU and communication socket for assembling electromagnetic switch, electric current and the mutual transducer of voltage.
The intelligent breaker control circuit is a core with digital processing unit MCU, and its inside is furnished with program and data memory unit, and the outside is furnished with CAN bus communication unit, uses the power source special module for power supply.Input signal partly comprises: signals such as current transformer, voltage transformer, ZCT, temperature sensor, Hall element, divide-shut brake control, and current transformer is used for gathering the current data in the main circuit, supplies the MCU computing; For realizing that three sections current protections provide foundation, voltage transformer is used for gathering the voltage data in the main circuit, supplies the MCU computing; For realizing that two sections voltage protections provide foundation, simultaneously also as one of criterion of differentiating circuit-breaker switching on-off, ZCT is used for the leakage current parameter in the Acquisition Circuit; Supply the MCU computing; For realizing that one section earth leakage protective provides foundation, temperature sensor is used for gathering the temperature parameter of circuit breaker inner space, supplies the MCU computing; As the backup protection of circuit breaker and the foundation of failure alarm signal; Hall element supplies the MCU computing with the physical location and the divide-shut brake speed of gathering electromagnetic switch in the circuit breaker, for realizing circuit breaker state indication accurately the mechanical type data is provided.Divide-shut brake control button signal is used for controlling the divide-shut brake of circuit breaker, supplies the MCU computing, for the breaking-closing operating on the spot of realizing circuit breaker provides the signal source, all must be convenient to processor collection and use through shaping and filtering before all signal input MCU.MCU is a digital signal with analog signal conversion earlier; Then require to calculate, and result calculated is deposited in the memory, compare storing value and setting value according to the predetermined logical relation of program then according to preset program; If satisfy the terms and conditions that logical relation is provided with; Processor is then exported a level signal, and this signal is through power amplification, in order to drive the electromagnetic switch tripping operation.If can not satisfy the terms and conditions that logical relation is provided with, then the working procedure of processor can turn back to the collection status input signal, recomputates the data that next time period gathers, and remakes logic analysis then, so goes round and begins again, from uninterruptedly.
All protection definite values can be through the mode of communication in the circuit breaker, and use has the intermediate controlled device and the PC of human-computer interaction interface freely to be provided with in the strange land, and the throwing that protection also can freely be set is moved back, and inquires about the literal warning message that circuit breaker sends.In order to ensure earth leakage protective high reliability, be provided with earth leakage protective experiment testing circuit specially, by MCU control periodical test entire circuit, comprise parts such as transducer, MCU, amplification driving circuit, solenoid winding.
Output circuit part comprises: the electromagnetic switch drive circuit; By MCU drive signal is provided; Direct current reversing circuit and power amplification circuit that driving is made up of the MOS device; And finally driving branch, the closing operation of the inner contact motion realization circuit breaker of electromagnetic switch, drive energy is provided by energy storage capacitor.Drive circuit of indicator provides signal by MCU, drives two red, green indicator lights of LED and shows the closing of circuit breaker, branch state, and the glittering expression circuit breaker of light has fault or tripping operation; The communication drive circuit drives CAN bus control unit and higher controller or PC by MCU and carries out both-way communication and get in touch.
The control execution unit of intelligent breaker is an electromagnetic switch, and electromagnetic switch is the Electromagnetic Drive vacuum switch that No. 201020173157.1 utility model patents provide, and its operating principle is please referring to patent specification.
The control of intelligent breaker, protection, communication program software are solidificated in the MCU chip, so that accomplish each item control, protection, communication function, the digitlization of round Realization circuit breaker, intellectuality.
Second technical scheme is that housing body is made up of left and right end cap, and left and right end cap upper side has gap respectively, chock in the middle of gap is embedded with, and riveting/screw rod joins left and right end cap together; The housing inner chamber is equipped with main circuit board and control circuit board; The Hall element that main circuit board is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch and is installed on it; Dress MCU processor and socket communication on the control circuit board; The housing front is provided with action button and red, green indicator light; Housing downside middle part is embedded with a power supply output wiring terminal, and middle chock and left and right end cap junction are embedded with the power supply lead-in clamp respectively, are fixed with the standard communication interface that links to each other with control circuit board on the left and right end cap respectively.Left and right end cap upper side bottom has the protruding kiss of triangle respectively and is positioned at the trapezoidal recess of protruding kiss both sides; There is the triangle recess corresponding with the protruding kiss of triangle and trapezoidal protruding stupefied 3 D stereo holder upper end; The slotted eye that supplies mortise lock to insert usefulness is arranged respectively at left and right end cap downside bottom, on the 3 D stereo holder installing hole is arranged.
The advantage of the utility model is following:
1, volume is little, and compact conformation is fixing reliable, adopts standardization, modularized design, conveniently uses and installs.
2, operation is simple and reliable, and state recognition is clear, has on the spot and the remote operation function.
3, defencive function is powerful complete; Be provided with protections such as comprising three sections in electric current, two sections of voltages, zero sequence, the phase failure; The complex protection of many conditions of high reliability can also be set, and the startup amount and the operate time of all protections all can freely be provided with, the input of all protections or withdraw from all and can freely be provided with.
4, all satisfy selectivity, rapidity, sensitivity, the reliability requirement of Microcomputer Protection.
5, whether have self-diagnosing function, it is good regularly to detect circuit such as control, driving, power supply, communication.
6, has real-time communication function and regularly test creepage protection function.
7, the function that has online detection electric current, voltage, temperature, position, and confirm the function of breaking speed according to the fault current size.
8, have the online function of checking warning message in a distant place, revise the function of protection definite value, and set protection and throw the function of moving back.
In a word, numerical protection, the full intellectuality of control and communication function have automatically really been realized.
Description of drawings
Fig. 1 is the two poles of the earth low-voltage intelligent circuit breaker graphics.
Fig. 2 is the two poles of the earth low-voltage intelligent circuit breaker base portion STRUCTURE DECOMPOSITION sketch mapes.
Fig. 3 is a low-voltage intelligent breaker circuit block diagram.
Fig. 4 is a low-voltage intelligent circuit breaker earth leakage protective automatic gauging circuit diagram.
Fig. 5 is three utmost point low-voltage intelligent circuit breaker outside drawings.
Fig. 6 is a four pole low-voltage intelligent breaker outside drawing.
Fig. 7 is an one pole low-voltage intelligent circuit breaker outside drawing (seeing from top to bottom).
Fig. 8 is an one pole low-voltage intelligent circuit breaker outside drawing (seeing from the bottom up).
Fig. 9 is an one pole low-voltage intelligent breaker structure decomposing schematic representation.
Figure 10 is an one pole low-voltage intelligent circuit breaker base portion STRUCTURE DECOMPOSITION sketch map.
Figure 11 is the electromagnetic switch graphics that No. 201020173157.1 patents provide
Embodiment
Embodiment one the two poles of the earth low-voltage intelligent circuit breaker
As shown in Figure 1, the present embodiment housing is made up of 14,7 and 1 standard intermediate modules 1 of left and right end cap, and the width of left and right end cap 14,7 is 1/2nd of standard intermediate module 1 width, and riveting/screw rod 12 joins left and right end cap and the accurate intermediate module of plate together; The housing inner chamber is equipped with main circuit board 5 and control circuit board 3; The Hall element that main circuit board 5 is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch 4 and is installed on it; MCU processor 2 and socket communication are housed on the control circuit board 3; The housing front is provided with action button 8 and red, green indicator light 10,15; The upper and lower middle side part of housing is embedded with power supply input/go out binding post 21,11 respectively, on the left and right end cap 14,7 standard communication interface 9 that links to each other with control circuit board 3 is arranged respectively.The electromagnetic switch of present embodiment is the two poles of the earth, and output wiring terminal is two.
As shown in Figure 2; There are 2 protruding kisses 16 of triangle standard intermediate module 1 upper side bottom and are positioned at the trapezoidal recess 17 of protruding kiss both sides; Left and right end cap 14,7 upper side bottoms also have a protruding kiss 16 of triangle respectively and are positioned at the trapezoidal recess 17 of protruding kiss both sides; There is the triangle recess 61 and trapezoidal protruding stupefied 62 corresponding with the protruding kiss of triangle 16 3 D stereo holder 6 upper ends; The slotted eye 22 that supplies mortise lock 13 to insert usefulness is arranged respectively at standard intermediate module 1, left and right end cap 14,17 downside bottoms, and installing hole 63 is arranged on the 3 D stereo holder 6.During installation; At first three-dimensional fixation seat 6 usefulness screws are fixed in the distribution box; Again whole circuit breaker is installed on the 3 D stereo holder 6; Through the cooperate crosswise fixed that realize circuit breaker of the triangle recess 61 on the 3 D stereo holder 6 with protruding kiss 16, vertically and highly fixing of circuit breaker cooperates completion by trapezoidal protruding stupefied 62 on the 3 D stereo holder 6 with trapezoidal recess 17, through mortise lock 13 whole circuit breaker pinned at last.From on can find out that circuit breaker can be realized standardization installation and three-dimensional fixation.
Below in conjunction with Fig. 3 operation principle of the present invention is described.The present invention is a core with the MCU processor, and to the intelligent breaker charging, the MCU processor will start rapidly under the normal condition; Detected MCU processor internal circuit and program before this; Whether the function that detects each hardware then is normal, and whether to the storage capacitor charging, it is normal to detect closing circuit at last afterwards; All just often bright, the red light of green light goes out, and circuit breaker is in the disjunction state.On the spot or a distant place send the circuit breaker instruction of closing, the MCU processor is carried out the closing operation order, drives storage capacitor is realized combined floodgate from electromagnetic switch to the inductance coil discharge of electromagnetic switch.This moment green light go out, red light is bright.When circuit breaks down, various transducers send fault-signal to the MCU processor, handle and judge; Compare with fault numerical value and setting definite value; Processor starts the tripping operation program when greater than the setting definite value, drives the inductance coil back discharge of storage capacitor to electromagnetic switch, realizes the sub-switching operation of electromagnetic switch; Rapidly faulty component is excised from electrical network, realize the safe and reliable operation of low voltage electric network.If big current failure, MCU also will come the width degree of the waveform of controlling and driving signal through judging the size of electric current; Realize the quick acting switching-off operation of circuit breaker, cut off main circuit, realize zero electric arc breaking operation; Reaching the purpose of protective circuit breaker body and contact, glittering, the red light of green light this moment goes out, the user must click action button on the spot could be with signal return; Green light stops glittering, then again by the button circuit breaker that just can close.The circuit breaker if distant place control is closed, the automatic involution of then glittering signal.Circuit breaker is at closing position, and during red lamp flass, can check warning message in a distant place; And slot signal, with regard to not influencing the opening and closing state of circuit breaker, can only connect down action button on the spot like this; With breaker open operation, red light extinguishes, and realizes the involution of glittering signal simultaneously.On the signal return of intelligent breaker, be main with distant place involution, circuit breaker can provide more information like this, comprises the warning Word message, so that correctly understand and grasp the ruuning situation of circuit breaker, safety utilization of electric power.
As shown in Figure 4, present embodiment control circuit board 3 is provided with earth leakage protective automatic gauging circuit, and promptly one of the MCU processor group of output pin connects solid-state relay J, and solid-state relay J output is through resistance R
1Be connected on the 220V power supply, ZCT TO output is connected to low-power consumption amplifier ic chip
5On, low-power consumption amplifier ic chip
5Output connects the MCU processor, and three groups of output pins in addition of MCU processor connect the driven ic chip respectively
1, IC
2, IC
3, the driven ic chip
3Two output pins connect metal-oxide-semiconductor field effect transistor Q respectively
1, Q
2Grid, the driven ic chip
2Two output pins connect metal-oxide-semiconductor field effect transistor Q respectively
3, Q
4Grid, the driven ic chip
1Output pin connects metal-oxide-semiconductor field effect transistor Q
5Grid; Anodal and the metal-oxide-semiconductor field effect transistor Q of storage capacitor C
1, Q
3Drain electrode links to each other, and the end of inductance coil L connects metal-oxide-semiconductor field effect transistor Q
1Source electrode, Q
2Drain electrode, its other end connects metal-oxide-semiconductor field effect transistor Q
3Source electrode, Q
4Drain electrode, resistance R
2An end and metal-oxide-semiconductor field effect transistor Q
2, Q
4Source electrode, metal-oxide-semiconductor field effect transistor Q
5Drain electrode links to each other, resistance R
2The other end and resistance R
3, voltage stabilizing didoe Z
1Negative pole links to each other, resistance R
3The other end and metal-oxide-semiconductor field effect transistor Q
5Source electrode, voltage stabilizing didoe Z
1Anodal, capacitor C negative pole links to each other voltage stabilizing didoe Z
1Negative pole connects photoelectrical coupler IC
4Input, photoelectrical coupler IC
4Output connects the MCU processor.In the present embodiment, the MCU model is MSP430F233, IC
1-IC
3Model is IR2110, IC
4Model is JC817, IC
5Model is LM324, and the model of solid-state relay J is JGX-6FA, Q
1-Q
5Model is IRF640S.
How long automatically product can be set up on their own by producer or user is detected earth leakage protective once.When circuit breaker at closing position, and voltage is arranged in the main circuit and during again to Check-Out Time, MCU sends a pulse checking signal makes solid-state relay J normal opened contact closed, through resistance R
1The 220V AC power is connected, opened fast again subsequently, make a short time leakage current artificially, ZCT TO checks electric leakage signal, sends low-power consumption amplifier ic chip to
5, signal inputs to MCU and handles, calculates after amplifying, compare with the setting definite value then, after set point, sends the instruction of check separating brake drive circuit, and the MCU starting resistor drives ic chip
1-IC
3, break off metal-oxide-semiconductor Q
1, Q
4, Q
5, closed metal-oxide-semiconductor Q
3, Q
2, the power supply of storage capacitor C is begun, through metal-oxide-semiconductor Q from positive pole
3, inductance coil L, metal-oxide-semiconductor Q
2, voltage forms resistance R
2, R
3Flow back into the capacitor C negative pole, in resistance R
3The last voltage that produces about a 3V, this voltage is through IC
4Isolate to input to MCU, with standard value relatively after, judge finally whether the earth leakage protective loop good, undesired light and the literal alarm signal sent.The detection waveform of strict control circuit in the process of the test guarantees that test voltage is lower than 5V, and selects suitable resistance, passes through to hinder big electric current, makes the signal power of hookup only be 0.5% of normal running, guarantees not drive in the test electromagnetic switch tripping operation.Z
1Be voltage stabilizing didoe, the numerical value that is used for protecting sampled voltage is in certain number range.
Embodiment two or three utmost point low-voltage intelligent circuit breakers
As shown in Figure 5, this example is basic identical with embodiment one, and different is that housing is made up of 14,7 and 2 standard intermediate modules 1 of left and right end cap, and its electromagnetic switch is three grades, and output wiring terminal is three.
Embodiment three
As shown in Figure 6, this example is basic identical with embodiment one, and different is that housing is made up of 14,7 and 4 standard intermediate modules 1 of left and right end cap, and its electromagnetic switch is four utmost points, and output wiring terminal is four.
Embodiment four one pole low-voltage intelligent circuit breakers
Shown in Fig. 7-10, the housing of present embodiment is made up of left and right end cap 18,19, on left and right end cap 18,19 upper sides gap is arranged respectively, chock 20 in the middle of gap is embedded with, and riveting/screw rod 12 joins left and right end cap together; The housing inner chamber is equipped with main circuit board 5 and control circuit board 3; The Hall element that main circuit board 5 is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch 4 and is installed on it; MCU processor 2 and socket communication are housed on the control circuit board 3; The housing front is provided with action button 8 and red, green indicator light 10,15; Housing downside middle part is embedded with a power supply output wiring terminal 11, and middle chock 20 is embedded with power supply lead-in clamp 21 respectively with left and right end cap 18,19 junctions, is fixed with the standard communication interface 9 that links to each other with control circuit board 3 respectively on the left and right end cap 18,19.
In the present embodiment; Left and right end cap 18,19 upper side bottoms have the protruding kiss 16 of triangle respectively and are positioned at the trapezoidal recess 17 of protruding kiss both sides; 3 D stereo holder 6 upper ends have and the corresponding triangle recess 61 and trapezoidal protruding stupefied 62 of the protruding kiss of triangle; The slotted eye 22 that supplies mortise lock 13 to insert usefulness is arranged respectively at left and right end cap 18,19 downside bottoms, and installing hole 63 is arranged on the 3 D stereo holder 6.
Present embodiment is the same with example one, also is provided with earth leakage protective automatic gauging circuit, and its circuit structure and operation principle are introduced all-sidely in example one, and this example repeats no more.
Claims (5)
1. multipolar low-voltage intelligent breaker; It is characterized in that housing body is made up of left and right end cap (14,7) and standard intermediate module (1); Standard intermediate module quantity is more than 1 or 1; The width of left and right end cap (14,7) is 1/2nd of standard intermediate module (a 1) width, and riveting/screw rod (12) joins left and right end cap and standard intermediate module together; The housing inner chamber is equipped with main circuit board (5) and control circuit board (3); The Hall element that main circuit board (5) is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch (4) and is installed on it; MCU processor (2) and socket communication are housed on the control circuit board (3); The housing front is provided with action button (8) and red, green indicator light (10,15); Middle part, the upper and lower side of housing is embedded with power supply input/go out binding post (21,11) respectively, is fixed with the standard communication interface (9) that links to each other with control circuit board (3) on the left and right end cap (14,7) respectively.
2. multipolar low-voltage intelligent breaker according to claim 1; It is characterized in that there are 2 protruding kisses of triangle (16) standard intermediate module (1) upper side bottom and are positioned at the trapezoidal recess (17) of protruding kiss both sides; Left and right end cap (14,7) upper side bottom also has a protruding kiss of triangle (16) respectively and is positioned at the trapezoidal recess (17) of protruding kiss both sides; There are the triangle recess (61) corresponding with the protruding kiss of triangle (16) and trapezoidal protruding stupefied (62) in 3 D stereo holder (6) upper end; Standard intermediate module (1), left and right end cap (14,7) downside bottom have confession mortise lock (13) to insert the slotted eye (22) of usefulness respectively, and installing hole (63) is arranged on the 3 D stereo holder (6).
3. multipolar low-voltage intelligent breaker according to claim 1 and 2 is characterized in that control circuit board (3) is provided with earth leakage protective automatic gauging circuit, and promptly one of the MCU processor group of output pin connects solid-state relay J, and solid-state relay J output is through resistance R
1Be connected on the 220V power supply, ZCT T0 output is connected to low-power consumption amplifier ic chip
5On, low-power consumption amplifier ic chip
5Output connects the MCU processor, and three groups of output pins in addition of MCU processor connect the driven ic chip respectively
1, IC
2, IC
3, the driven ic chip
3Two output pins connect metal-oxide-semiconductor field effect transistor Q respectively
1, Q
2Grid, the driven ic chip
2Two output pins connect metal-oxide-semiconductor field effect transistor Q respectively
3, Q
4Grid, the driven ic chip
1Output pin connects metal-oxide-semiconductor field effect transistor Q
5Grid; Anodal and the metal-oxide-semiconductor field effect transistor Q of storage capacitor C
1, Q
3Drain electrode links to each other, and the end of inductance coil L connects metal-oxide-semiconductor field effect transistor Q
1Source electrode, Q
2Drain electrode, its other end connects metal-oxide-semiconductor field effect transistor Q
3Source electrode, metal-oxide-semiconductor field effect transistor Q
4Drain electrode, resistance R
2An end and metal-oxide-semiconductor field effect transistor Q
2, Q
4Source electrode, metal-oxide-semiconductor field effect transistor Q
5Drain electrode links to each other, resistance R
2The other end and resistance R
3, voltage stabilizing didoe Z
1Negative pole links to each other, resistance R
3The other end and metal-oxide-semiconductor field effect transistor Q
5Source electrode, voltage stabilizing didoe Z
1Anodal, capacitor C negative pole links to each other voltage stabilizing didoe Z
1Negative pole connects photoelectrical coupler IC
4Input, photoelectrical coupler IC
4Output connects the MCU processor.
4. an one pole low-voltage intelligent opens circuit, and it is characterized in that housing body is made up of left and right end cap (18,19), and left and right end cap (18,19) upper side has gap respectively, chock (20) in the middle of gap is embedded with, and riveting/screw rod (12) joins left and right end cap together; The housing inner chamber is equipped with main circuit board (5) and control circuit board (3); The Hall element that main circuit board (5) is provided with electric current, voltage, ZCT, temperature sensor, energy storage capacitor, electromagnetic switch (4) and is installed on it; MCU processor (2) and socket communication are housed on the control circuit board (3); The housing front is provided with action button (8) and red, green indicator light (10,15); Housing downside middle part is embedded with a power supply output wiring terminal (11); Middle chock (20) is embedded with power supply lead-in clamp (21) respectively with left and right end cap (18,19) junction, is fixed with the standard communication interface (9) that links to each other with control circuit board (3) on the left and right end cap (18,19) respectively.
5. one pole low-voltage intelligent circuit breaker according to claim 4; It is characterized in that left and right end cap (18,19) upper side bottom has the protruding kiss of triangle (16) respectively and is positioned at the trapezoidal recess (17) of protruding kiss both sides; 3 D stereo holder (6) upper end has and corresponding triangle recess (61) and trapezoidal protruding stupefied (62) of the protruding kiss of triangle; Left and right end cap (18,19) downside bottom has confession mortise lock (13) to insert the slotted eye (22) of usefulness respectively, and installing hole (63) is arranged on the 3 D stereo holder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184978XU CN202259066U (en) | 2011-05-31 | 2011-05-31 | Multipolar/monopolar low-voltage intelligent circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184978XU CN202259066U (en) | 2011-05-31 | 2011-05-31 | Multipolar/monopolar low-voltage intelligent circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN202259066U true CN202259066U (en) | 2012-05-30 |
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| CN201120184978XU Expired - Lifetime CN202259066U (en) | 2011-05-31 | 2011-05-31 | Multipolar/monopolar low-voltage intelligent circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN202259066U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208306A (en) * | 2011-05-31 | 2011-10-05 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN105305375A (en) * | 2015-11-04 | 2016-02-03 | 成都聚智工业设计有限公司 | Electric leakage protection device of distribution box |
| CN106128867A (en) * | 2016-08-05 | 2016-11-16 | 梅兰日兰电气集团（苏州）有限公司 | One moulds shell RCCB |
| CN107943193A (en) * | 2017-11-15 | 2018-04-20 | 佛山杰致信息科技有限公司 | The control device and system of a kind of breaker |
-
2011
- 2011-05-31 CN CN201120184978XU patent/CN202259066U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208306A (en) * | 2011-05-31 | 2011-10-05 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN102208306B (en) * | 2011-05-31 | 2014-01-22 | 胡俊兵 | Low-voltage intelligent circuit breaker |
| CN105305375A (en) * | 2015-11-04 | 2016-02-03 | 成都聚智工业设计有限公司 | Electric leakage protection device of distribution box |
| CN106128867A (en) * | 2016-08-05 | 2016-11-16 | 梅兰日兰电气集团（苏州）有限公司 | One moulds shell RCCB |
| CN107943193A (en) * | 2017-11-15 | 2018-04-20 | 佛山杰致信息科技有限公司 | The control device and system of a kind of breaker |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20140122 |
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| RGAV | Abandon patent right to avoid regrant |