CN105679616A - Electronic controller for circuit breaker and circuit breaker - Google Patents

Abstract

The invention discloses an electronic controller for a circuit breaker and a circuit breaker. The electronic controller comprises a shell, an electronic control circuit and an isolation device, wherein the isolation device comprises a fixing part, a movable part, a driving part and an elastic piece, the elastic piece is arranged between the driving part and the shell, the elastic piece can drive the movable part to move to a breaking position for enabling the movable part and the fixing part to be separated, and when the driving part is fixed at the fixed position on the shell via a locking structure, the driving part can overcome the acting force of the elastic piece to enable the moving part to move to a connection place where the movable part and the fixing part are communicated. The isolation device of the electronic controller for the circuit breaker is simple in structure, and the electronic controller and high voltage of the circuit breaker can be reliably isolated in a voltage-withstanding test.

Description

Chopper electronic controller and chopper

Technical field

The invention belongs to Low Voltage Electrical Apparatus, particularly relate to a kind of chopper electronic controller and chopper.

Background technology

Chopper is the pith of electrical power distribution apparatus, is mainly used in industrial low-voltage power system, is used for connecting and electric current in disjunction mains-power circuit and protection circuit and power-supply device are from the harm of the faults such as overload, under-voltage, short circuit, single-phase earthing.

Chopper is divided into primary cut-out and low-voltage circuit breaker by its use scope. Low-voltage circuit breaker is also known as automatic switch, and " air switch " that be commonly called as also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, can automatically carry out again the electrical equipment of decompression, under-voltage, overload and short-circuit protection. It can be used to distribute electric energy, infrequently start asynchronous motor, power circuit and motor etc. carried out protection. When there is serious overload, the fault such as short-circuit or under-voltage in them, energy automatic shutdown circuit, its function is equivalent to the combination of Fuse switch and overload thermal relay etc., and generally need not change parts after disjunction fault current, obtains a wide range of applications.

But be as the increase of circuit breaker function and use condition become increasingly harsher strict, to chopper under specific condition still can requirement safe and reliable, stable operation also more and more higher. Generally speaking, the voltage detection module of circuit breaker intelligent controller is from the main busbar extraction voltage signal of chopper, and chopper is when needing to carry out industrial frequency withstand voltage test or similar test, module is likely punctured by the high voltage applied, once module is breakdown, the normal operation of chopper itself will be affected, so being accomplished by increasing extra device to enable the controller to similar overvoltage is isolated.

A kind of chopper overvoltage signal isolating device of the prior art is to add a plug-in module outside chopper, during overvoltage signal when receiving pressure test or similar test, knob is screwed into isolated location, namely overvoltage signal has been isolated, but such design makes breaker structure become complicated, require that chopper has bigger installing space, and it is also inconvenient to operate.

Summary of the invention

For effectively solving one or more defect above-mentioned existed in prior art, the invention provides a kind of chopper electronic controller and chopper, it is capable of preventing chopper when carrying out pressure test, the damaging influence that secondary component relevant on chopper and adnexa are produced by high voltage, avoid increasing the space shared by controller, improve one or more purpose in the safety of controller, reliability.

To achieve these goals, this invention takes following technical scheme:

According to an aspect of the invention, it is provided a kind of chopper electronic controller, including: housing; Electronic control circuit, it is contained in described housing; And isolating device, it is arranged in described housing, is used for making described electronic control circuit and external power source switch on and off; It is characterized in that, described isolating device includes: fixed part, and it is fixed in described housing, for holding the link terminal being connected with described external power source; Movable part, for holding the movable binding post being connected with described electronic control circuit, and described movable part can move between link position and open position, at described link position, the movable binding post of described movable part contacts with the link terminal of described fixed part, at described open position, the movable binding post of described movable part separates with the link terminal of described fixed part; Drive division, it can remain to the fixed position on described housing by latch-up structure, and is connected with described movable part; And elastic component, it is arranged between described drive division and described housing; Wherein, described elastic component can drive described movable part to move to described open position, and described drive division can overcome the active force of described elastic component to make described movable part move to described link position at which when described fixed position.

By elastic component is arranged between drive division and housing, utilizes elastic component and drive division cooperation to realize movable part and connect with fixed part or separate, thus the electrical connection switched on and off between electronic controller and external power system. The isolating device simple in construction of this design, easy to assembly, it is possible to be prevented effectively from electronic controller and adnexa damage that high voltage causes when chopper carries out pressure test.

According to an aspect of the present invention, electronic controller also includes the guiding parts for guiding described elastic component to move. It is prevented from elastomer in motor process, produces unnecessary deviation.

According to an aspect of the present invention, described elastic component is spring, thus simplifying the structure of elastic component.

According to an aspect of the present invention, described drive division is configured to panel away from the end of described movable part, and described guiding parts is arranged on the inner side of described panel. By making the drive division outboard end of isolating device constitute a part for chopper front panel, make the overall structure of chopper become simple, and effectively hide the structure of isolating device, it is prevented that dust etc. enter in isolating device.

According to an aspect of the present invention, described guiding parts is cylindrical member, and described elastic component is the helical spring being set on described guiding parts, and one end of described helical spring is resisted against inside described panel, and the other end is against corresponding site on the housing. Such design is possible to prevent neglected loading parts, makes structure become simple, and assembling, maintenance become convenient.

According to an aspect of the present invention, the corresponding site on described housing is provided with the receptacle for receiving described helical spring. Receptacle can match with guiding parts, improves helical spring stability at the volley further.

According to an aspect of the present invention, described latch-up structure is the screw being arranged on described panel place, thus simplifying latch-up structure.

According to an aspect of the present invention, described screw can be rotatably set in inside described panel, and be provided with on the panel can from the opening of screw described in peripheral operation. So can simplify panel construction, facilitate the tightening operation of screw.

According to an aspect of the present invention, described latch-up structure is the releasable buckle structure being arranged between described panel and described housing. Can only be operated by buckle structure just can realize the connection of panel and housing and separate.

According to an aspect of the present invention, described link terminal and described movable binding post are fixedly installed in the connection housing that a pair grafting coordinates respectively, so that contacting or in separation process with described movable binding post at described link terminal, said two connects housing and remains inserting state. The connecting and disconnecting that so can make binding post all carry out in the connection housing closed, and improve the safety of on/off electricity, thus improving the security reliability of electronic controller.

According to an aspect of the present invention, described fixed part and described movable part respectively further comprise containment vessel, and this containment vessel encloses respectively and is located at outside described connection housing. The safety of voltage is connected in the disjunction improving electronic controller, thus improving integrally-built reliability.

According to an aspect of the present invention, described drive division is detachably connected on described movable part. Such connected mode can simplify structure, convenient for assembly.

According to an aspect of the present invention, described isolating device includes limiting the position limiting structure that described movable part continues to move to described hull outside at described open position place. Movable part so can be avoided during movement beyond problems such as the moving range allowed and consequent dislocation, inefficacies.

Present invention also offers a kind of chopper, this chopper includes above-mentioned chopper electronic controller.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram illustrating chopper electronic controller according to an embodiment of the invention;

Fig. 2 is the perspective view of the isolating device illustrating electronic controller;

Fig. 3 is the decomposition texture schematic diagram illustrating isolating device with front panel connection status;

Fig. 4 illustrates the structural representation that isolating device movable part is connected with drive division;

Fig. 5 is the part-structure schematic diagram illustrating isolating device;

Fig. 6 is the perspective view of the drive division illustrating isolating device;

Fig. 7 is the another kind of attachment structure generalized section illustrating drive division with enclosing cover;

Fig. 8 is the perspective view illustrating movable part;

Fig. 9 is the part-structure schematic diagram illustrating movable part;

Figure 10 is the cross-sectional view of the part-structure illustrating movable part;

Figure 11 is the perspective view of the support illustrating movable part;

Figure 12 illustrates the structural representation that fixed part is connected with shell;

Figure 13 is the decomposition texture schematic diagram illustrating fixed part;

Figure 14 is the part-structure schematic diagram illustrating fixed part;

Figure 15 is another part structural representation illustrating fixed part;

Figure 16 illustrates isolating device structural representation when movable part is in open position;

Figure 17 illustrates isolating device structural representation when movable part is in link position;

Figure 18 is the cross-sectional view illustrating isolating device when movable part is in link position;

Figure 19 is the cross-sectional view illustrating isolating device when movable part is in open position.

Detailed description of the invention

Feature and the exemplary embodiment of various aspects of the invention are described more fully below.In the following detailed description, it is proposed that many details, in order to complete understanding of the present invention is provided. But, it will be apparent to those skilled in the art that the present invention can implement when some details in not needing these details. Below the description of embodiment is only used to by illustrating that the example of the present invention provides being better understood from the present invention. The present invention is never limited to any concrete configuration set forth below, covers any amendment, replacement and the improvement of element and parts under the premise of without departing from the spirit of the present invention. In the the accompanying drawings and the following description, it does not have known structure and technology are shown, in order to avoid the present invention causes unnecessary obscuring.

In order to be more fully understood that the present invention, it is described in detail below in conjunction with Fig. 1-19 couples chopper electronic controller illustrated according to embodiments of the present invention and chopper.

Fig. 1 illustrates the overall structure schematic diagram of the chopper electronic controller (hereinafter referred to as controller) of the embodiment of the present invention. As it can be seen, the housing of electronic controller 1 includes shell 10 and enclosing cover 20, and making enclosure interior form accommodation space by shell 10 and enclosing cover 20 connection, this accommodation space can be installed with the electronic control circuit of controller 1. Controller 1 also includes the isolating device 30 being arranged in accommodation space, and isolating device 30 can in pushing enclosing cover 20, for instance when being in the fixed position with enclosing cover 20 flush, makes external power source and controller 1 connect; When chopper carries out pressure test, by isolating device 30 is pulled out from enclosing cover 20, high voltage in chopper pressure test and controller 1 are isolated, avoid when chopper carries out pressure test, the problem that relevant secondary component (electronic controller) on the secondary loop of breaker that high voltage causes and adnexa damage.

The adnexa of above-mentioned relevant secondary component, refers to and is connected on secondary component and is the monitoring that works of primary system (i.e. chopper in the present invention), control, regulates, protects and provide operating condition for operation, attendant or produce the low-voltage electrical element needed for command signal.

Fig. 2 shows the perspective view of the isolating device 30 of the embodiment of the present invention. As it can be seen, be installed on taking up room and being easy to operation in chopper for reducing controller 1, isolating device 30 is placed in the accommodation space of controller 1 by the opening being arranged on enclosing cover 20. This isolating device 30 includes drive division 31, movable part 32, fixed part 33 and elastic component 34, fixed part 33 is fixedly installed in accommodation space, inner containment has externally connected power system, for instance the link terminal (not shown) of external power source, for instance contact pin. One end of movable part 32 is detachably connected with drive division 31, for instance be connected together, and the inner containment of movable part 32 has the movable binding post (not shown) being connected to electronic control circuit, for instance presser thread needle. Drive division 31 is also connected with elastic component 34, and elastic component 34 can be arranged to promote actuator 31, drives movable part 32 to move to open position, so that movable binding post separates power-off with link terminal; And actuator 31 can overcome the active force of elastic component 34 to make movable part 32 re-move link position, so that movable binding post is in connection conduction state with link terminal, thus realizing cutting off the electrical connection between conducting chopper and controller 1.By drive division 31 is connected with movable part 32, directly movable part 32 is driven, make the simple in construction of the electronic controller of the present invention, good reliability, ensure controller can safely controllable ground power-off, and when finding in time after the actuator inefficacy of isolating device and take to take quickly process.

Fig. 3, it is shown that the isolating device 30 of the embodiment of the present invention and the structural representation of the connection status of enclosing cover 20; Please also refer to Fig. 4, it is shown that the structural representation that is connected with drive division 31 of the movable part 32 of the embodiment of the present invention. As shown in the figure, for making tailored appearance, the end face of drive division 31 is substantially concordant with enclosing cover 20 surface, drive division 31 can be movably set in the opening part of enclosing cover 20 by latch-up structure, by the effect of the driving force that this latch-up structure and elastic component 34 provide, making drive division 31 be configured to relative enclosing cover 20 and be held in fixed position or disengaged position, the other end of drive division 31 and movable part 32 are respectively from the removably grafting of the both sides of enclosing cover 20. Preferably, elastic component 34 is located between drive division 31 and enclosing cover 20, elastic component 34 can the energy storage when drive division 31 is held in fixed position, and after drive division 31 releases stationary state, discharge the energy of storage, power is provided, to drive movable part 32 to move to the direction away from fixed part 33 to drive division 31. Elastic component 34 is arranged between drive division 31 and enclosing cover 20, it is possible to make elastic component 34 expose after drive division 31 moves to disengaged position from enclosing cover 20, convenient observation, assembling, maintenance, and avoids neglected loading parts, improves the assembling quality of product.

Refer to Fig. 5, it is shown that the part-structure schematic diagram of isolating device of the embodiment of the present invention, and Fig. 6, it is shown that the perspective view of drive division 31 of the embodiment of the present invention. specifically, in order to make simple in construction, be easy to operation and reduce cost, elastic component 34 is helical spring, and drive division 31 forms end face away from the outer end of movable part 32, such as forming the panel flushed with the outer surface of enclosing cover 20, the inner of drive division 31 is connected with movable part 32. radial deformation during for restriction helical spring effect, the end face of drive division 31 is provided with guiding parts towards the side of movable part 32, preferably, guiding parts is cylindrical member 311, on enclosing cover 20, the position of corresponding cylindrical member 311 offers the receptacle for holding helical spring, preferably, this receptacle is additionally provided with the structure holding cylindrical member 311, such as through hole, helical spring is set in cylindrical member 311 and helical spring is connected on this end face towards one end of drive division end face, the free end of cylindrical member 311 inserts in described through hole, the other end of helical spring is resisted against the periphery of through hole. helical spring drives drive division 31 when moving, and can be provided radial directed, position-limiting action by cylindrical member 311 profile for helical spring, and when reducing motion, helical spring is distorted the additional force caused and elastic failure problem. when the length of cylindrical member 311 is set smaller than the final reduction length of helical spring, enclosing cover 20 can also be not provided with receiving the structure of cylindrical member 311. helical spring can also be connected on enclosing cover 20 away from the end of drive division 31, thus providing position-limiting action for drive division 31 and movable part 32, restraint portion 32 is to the movable length away from fixed part 33 direction.

Certainly, the position that arranges of above-mentioned elastic component 34 is not limited to this, it is also possible to contacted at by elastic component 34 between other structures arranged in drive division 31 and accommodation space.

Further, drive division 31 can pass through latch-up structure and be connected with enclosing cover 20, for the ease of installing, simplifying structure, latch-up structure can be screw 35, drive division 31 is pressed on fixed position, and corresponding screwed hole connects with being arranged on enclosing cover on 20 to make screw 35, so that drive division 31 is held in fixed position, when needs make drive division 31 unlock, only screw 35 need to be unscrewed. more preferably, helical spring can be rotationally arranged at the side in the facing movament portion 32 of drive division 31, such as can in the end face outside of drive division 31 towards the U-shaped fixing groove 313 of projection on the surface of movable part 32 side, the screw head of screw 35 being used for connecting is arranged in this U-shaped fixing groove 313, make screw 35 rotatable in U-type groove, and offer the opening for this screw 35 is unscrewed or tightened in the corresponding position of drive division 31 end face outside, thus it is internal that screw 35 is embedded in controller 1, operate on it from outside, there is redundant configuration in the front panel surface avoiding controller 1, make troubles to installation, make the appearance looks elegant of controller 1 simultaneously, and the potential safety hazard existed because of the metalwork of surface exposure can be avoided.

Above-mentioned latch-up structure is not limited to this, other the releasable buckle structures can also being equipped with for drive division 31 and enclosing cover 20 corresponding position, refer to Fig. 7, it is shown that the another kind of attachment structure generalized section of drive division according to embodiments of the present invention 31 and enclosing cover 20. as shown in the figure, drive division 31 is fixedly connected with shell fragment 37 on the end face of movable part 32 side, it is preferably one-body molded with drive division 31 for this shell fragment 37, the tail end of this shell fragment 37 is formed with kink 371, enclosing cover 20 is to kink 371 corresponding configuration in accommodation space having convex supporting part 21, make when drive division 31 is disposed in accommodation space along the opening part of enclosing cover 20, this shell fragment 37 is due to elastic deformation, its kink 371 contacts against in the sidewall of convex supporting part 21 with the loading of drive division and slides to direction in accommodation space along the sidewall of convex supporting part 21, after bending part 371 slides into this convex supporting part 21 tail end, shell fragment 37 is due to spring return effect, kink 371 is supported and is stuck in convex supporting part 21 tail end place, and then make drive division 31 be locked on enclosing cover 20 place, it is in a fixed position. drive division 31 place is also movably set with button 36, button 36 one end exposes to be located on front side of the panel of drive division 31, the other end is free end, its free end has inclined-plane 361, shell fragment 37 be formed on kink 371 can with the inclined-plane 361 of free end competing oblique portion 372, when pressing the button 36 from drive division 31, the oblique portion 371 contacting at it is applied conflict active force by the inclined-plane 361 of button 36 free end, thus there is elastic deformation in extrusion elastic 37, the oblique portion 372 of shell fragment 37 drives kink 371 to be extruded to side, kink 371 is made to be driven the tail end departing from convex supporting part 21, simultaneously because the driving effect that elastic component 34 is to the panel of drive division 31, drive division 31 moves to away from accommodation space direction, drive kink 371 to away from the accommodation space direction side walls along convex supporting part 21, and then make drive division 31 release the lock-out state between enclosing cover 20, move to disengaged position. this releasable buckle structure makes the locking between drive division 31 and enclosing cover 20 more convenient with disengagement operation, fast.

Other unclamped buckle structure can also be set certainly, for instance, respectively convex fastening part that is disengagable or that engage and limiting unit are correspondingly set with the contact site of enclosing cover 20 at drive division 31.Specifically, drive division 31 is configured to along its panel to the relative convex fastening part of at least two extended in housing, two convex fastening parts are formed with, at the front panel place of drive division 31, the portion of managing, and are operated by the portion of managing and make two convex fastening part elastically deformables shrink toward each other. Corresponding two convex fastening parts of enclosing cover 20 are configured with limiting unit, and when needs make drive division 31 be held in fixed position, the drive division 31 under being pressed, by convex fastening part and limiting unit engaging, is fixed in enclosing cover 20 place; When needing to make drive division 31 and enclosing cover 20 disengage, only the portion of managing need to be applied active force, two convex fastening part generation elastic deformations can be made to shrink in opposite directions and disengage with limiting unit, thus releasing the drive division 31 lock-out state at enclosing cover 20 place, drive division 31 can be flicked under the effect of elastic component 34, mobile to disengaged position. The more convenient operation that makes the power-off of controller and connect conduction, quick.

Drive division 31 adopts removably to be connected with movable part 32, in order to make connection more firm, it is connected preferably by column structure 312 (shown in Fig. 6) between drive division 31 with movable part 32, this column structure 312 is arranged on the panel of drive division 31 on the end face of movable part 32 side, and it is preferably integral type structure with drive division 31. Column attachment structure 312 has the many laths engaged each other and the reinforcement vertical with lath direction, to increase the reliability connected. Preferably, end and movable part 32 at column structure 312 are correspondingly arranged interface arrangment, detachably connected by interface arrangment, so that removing and installing of isolating device 30 operates structure more convenient, optimal controller 1 simultaneously.

Refer to Fig. 8, the perspective view of movable part 32 of the embodiment of the present invention illustrated, Fig. 9, the part-structure schematic diagram of the movable part 32 of the embodiment of the present invention illustrated, and Figure 10, it is shown that the part-structure generalized section of movable part 32 of the embodiment of the present invention. As it can be seen, the movable binding post 324 in movable part 32 is configured in connection housing 323, connects and the one side of housing 323 is configured with projection block 326, and the both sides connecting housing 323 are provided with convex clip structure 327.

Please also refer to Figure 11, it is shown that the perspective view of support 321 of movable part 32 of the embodiment of the present invention, specifically, support 321 one end is removably connected to drive division 31, and the other end arranges the structure corresponding with connection housing 323, such as containing groove 328. gland 322 (as shown in Figure 8) is plate body, and the projection block 326 of correspondence connection housing 323 correspondingly configures a bayonet socket, gland 322 is connected formation containment vessel with support 321, thus connection housing 323 is fixed in containing groove 328, the convex clip structure 327 connecting housing 323 is embedded in the in-profile of containing groove 328, projection block 326 supports and is stuck in bayonet socket, further connection housing 323 is fixed, the movable binding post 324 making movable part 32 is in fully wrapped around state in a protective case, improve the safety of energising and power-off, thus improving the security reliability of electronic controller.

Further, support 321 is additionally provided with the position limiting structure for movable part 32 is limited to the shift motion moved away from fixed part 33, with when movable binding post 324 and link terminal 337 (shown in Figure 15) are in separation off-position, restraint portion 32 continues to move to away from fixed part 33 direction, makes the fixed part 33 connection housing 323,331 maintenance with movable part 32 to hole inserting state.Exemplarily, support 321 can pass through to arrange shoulder 325 provides position-limiting action, and when drive division 31 drives movable part 32 to when moving away from fixed part 33 direction, this shoulder 325 can support and be stuck in the stop part place that enclosing cover 20 is correspondingly arranged. The moving range to drive division 31 with movable part 32 is coordinated to limit by support with enclosing cover, make drive division 31 be held in disengaged position and when spacing state uniform force, make energising power operation be in the space of closing simultaneously, improve the security reliability of controller so that it is service life is higher.

Refer to Figure 12, structural representation that the fixed part 33 of the embodiment of the present invention illustrated is connected with shell 10, Figure 13, the decomposition texture schematic diagram of the fixed part 33 of the embodiment of the present invention illustrated, Figure 14, the part-structure schematic diagram of the fixed part 33 of the embodiment of the present invention illustrated and Figure 15, it is shown that another part structural representation of fixed part 33 of the embodiment of the present invention. As shown in the figure, link terminal 337 in fixed part 33 is configured in connection housing 331, link terminal 337 is welded on printed circuit board (PCB) 332 together with connecting housing 331, printed circuit board (PCB) 332 is additionally provided with isolation terminal 336, this isolation terminal 336 is connected with circuit breaker electric, thus the voltage in chopper major loop being caused controller 1 is internal, to controller 1 in-line power. Drain pan 333 is U-shaped framework, and for housing printed circuit board (PCB) 332 and the connection housing 331 being attached to, and drain pan 333 is by the convex fastening part arranged on its inwall, is fixed in drain pan 333 by printed circuit board (PCB) 332. Pressing plate 334 is connected with drain pan 333; form circumferential closed containment vessel; further printed circuit board (PCB) 332 and connection housing 331 are surrounded and arrange; increase the structural strength of fixed part 33 entirety and increase creep age distance; and the link terminal 337 making fixed part 33 is in fully wrapped around state; improve the safety of energising and power-off, thus improving the security reliability of electronic controller. For convenience of dismounting, optimize structure, it is preferred to adopt snap-in structure detachably connected pressing plate 334 and drain pan 333.

Fixed part 33 and shell 10 can be fixed by screw, specifically, connect housing 331 arranged outside and have outward extending fixing plate 335, shell 10 is internally corresponding to the position of fixing plate 335 and is provided with boss, by screw, fixing plate 335 is connected with described boss, thus fixed part 33 can be fixed in accommodation space.

Movable binding post 324, link terminal 337 can also be arranged in the framework of other forms and be attached fixing by certain above-mentioned movable part 32 and fixed part 33, equally possible realize the purpose of the present invention.

Refer to Figure 16, the structural representation of the isolating device 30 when the drive division 31 of the embodiment of the present invention illustrated is in a disengaged position, Figure 17, isolating device 30 structural representation when the drive division 31 of the embodiment of the present invention illustrated is in a fixed position, Figure 18, the cross-sectional view of the isolating device 30 when the drive division 31 of the embodiment of the present invention illustrated is in a fixed position, Figure 19, the cross-sectional view of the isolating device 30 when the drive division 31 of the embodiment of the present invention illustrated is in a disengaged position and above-mentioned Fig. 1, the overall structure schematic diagram of the chopper electronic controller of the embodiment of the present invention illustrated, the operation principle of the present invention is illustrated:

As shown in the figure, in normal operation of circuit breaker state, drive division 31 is held in fixed position, electricity in chopper major loop is drawn and is connected in controller 1 by isolation terminal 336, components and parts in controller 1 are powered, and the movable binding post 324 in movable part 32 contacts conduction with the link terminal 337 in fixed part 33;

When chopper needs to carry out pressure test operation, for ensureing that on chopper, relevant secondary component and adnexa are from damage, need to use screwdriver rotary screw 35, it is totally released, so, drive division 31 releases the lock-out state at enclosing cover 20 place, drive division 31 is made outwards to eject by the rebound effect of elastic component 34, and then drive movable part 32 to move to away from fixed part 33 direction, the support 321 of movable part 32 drives connected with outer casing 323 and movable binding post 324 mounted therein to move simultaneously, when final drive division 31 is held in disengaged position, movable binding post 324 is made to separate power-off with link terminal 337, controller 1 is made to remain powered off isolation, keep hole inserting state between movable part 32 and fixed part 33 simultaneously,

When the voltage of chopper returns to rated voltage, directly pressing drive division 31, drive division 31 is moved to fixed position, thus driving movable part 32 to move near fixed part 33 direction, simultaneously the support 321 of movable part 32 drives connected with outer casing 323 and the movable binding post 324 that is integrated within to move, after using screwdriver to be tightened by screw 35, drive division 31 is held in fixed position, movable part 32 moves to link position, makes movable binding post 324 contact conduction with the link terminal 337 in fixed part 33;

Controller 1 can be made to realize exactly high voltage being isolated by aforesaid operations, and recover normal rear immediate operation controller connection conduction at voltage, make operating process hommization more.

Present invention also offers a kind of chopper, including above-mentioned chopper electronic controller. Its structure and advantage have been described above, and do not repeat them here.

Claims (14)

1. a chopper electronic controller, including:

Housing;

Electronic control circuit, it is contained in described housing; And

Isolating device, it is arranged in described housing, is used for making described electronic control circuit and external power source switch on and off; It is characterized in that,

Described isolating device includes:

Fixed part, it is fixed in described housing, for holding the link terminal being connected with described external power source;

Movable part, for holding the movable binding post being connected with described electronic control circuit, and described movable part can move between link position and open position, at described link position, the movable binding post of described movable part contacts with the link terminal of described fixed part, at described open position, the movable binding post of described movable part separates with the link terminal of described fixed part;

Drive division, it can remain to the fixed position on described housing by latch-up structure, and is connected with described movable part; And

Elastic component, it is arranged between described drive division and described housing;

Wherein, described elastic component can drive described movable part to move to described open position, and described drive division can overcome the active force of described elastic component to make described movable part move to described link position at which when described fixed position.

2. chopper electronic controller according to claim 1, wherein, also includes guiding parts, for guiding the motion of described elastic component.

3. chopper electronic controller according to claim 1 and 2, wherein, described elastic component is spring.

4. chopper electronic controller according to claim 2, wherein, described drive division is configured to panel away from the end of described movable part, and described guiding parts is arranged on the inner side of described panel.

5. chopper electronic controller according to claim 4, wherein, described guiding parts is cylindrical member, described elastic component is the helical spring being set on described guiding parts, one end of described helical spring is resisted against inside described panel, and the other end is against corresponding site on the housing.

6. chopper electronic controller according to claim 5, wherein, the corresponding site on described housing is provided with the receptacle for receiving described helical spring.

7. chopper electronic controller according to claim 4, wherein, described latch-up structure is the screw being arranged on described panel place.

8. chopper electronic controller according to claim 7, wherein, described screw can be rotatably set in inside described panel, and be provided with on the panel can from the opening of screw described in peripheral operation.

9. chopper electronic controller according to claim 4, wherein, described latch-up structure is the releasable buckle structure being arranged between described panel and described housing.

10. chopper electronic controller according to claim 1, wherein, described link terminal and described movable binding post are fixedly installed in the connection housing that a pair grafting coordinates respectively, so that contacting or in separation process with described movable binding post at described link terminal, said two connects housing and remains inserting state.

11. chopper electronic controller according to claim 10, wherein, described fixed part and described movable part respectively further comprise containment vessel, and this containment vessel encloses respectively and is located at outside described connection housing.

12. chopper electronic controller according to claim 1, wherein, described drive division is detachably connected on described movable part.

13. chopper electronic controller according to claim 1, wherein, described isolating device includes limiting the position limiting structure that described movable part continues to move to described hull outside at described open position place.

14. a chopper, including the chopper electronic controller described in any one in claim 1 to 13.