CN201708098U - Modularized multi-functional apparatus - Google Patents

Abstract

The utility model relates to a modularized multi-functional apparatus, which comprises a base (1), a shell (2), an electromagnetic drive mechanism (5), an operating mechanism (4) and a main circuit contact assembly (3). Terminals are mounted on the rear end of the main circuit contact assembly (3), and can be connected with a load through wires or conductive bars; and the inner surface of the rear end of the shell (2) is contacted with the inner surface of the rear end of the main circuit contact assembly (3). The modularized multi-functional apparatus also comprises an auxiliary module, a thermomagnetic tripper, a digitized controller and an isolating mechanism. The modularized multi-functional apparatus adopts a modularized structure design, different modules can be selected to form different types of product compositions, moreover, the size is small, the coordination and cooperation between control and protection are realized in the product, wiring is convenient, the reliability is high, energy and material are saved, and thereby the modularized multi-functional apparatus has high economic and social benefits.

Description

A kind of modular multifunctional electrical appliance

Technical field

The utility model relates to a kind of electrical equipment, and particularly a kind of modular multifunctional device for switching belongs to the low-voltage electrical apparatus field.

Background technology

The electrical system that general low-voltage electrical apparatus constitutes mainly contains dual mode: a kind of is respectively by realizing protective effect (distribution apparatus; be mainly circuit breaker) and control action (control apparatus; be mainly contactor and thermal relay or motor protector) the device for switching of discrete constitute; two kinds of electrical equipment independently install and fix respectively; and realize being electrically connected by connector, between power supply and load, control and protect.Fig. 1 is a typical circuit of above-mentioned implementation.Isolating switch G is the safety when guaranteeing that the maintainer overhauls circuit among the figure; Circuit breaker CB (or fuse R) is as the short-circuit protection of circuit; Contactor CJ is the frequent start-stop motor; Thermal relay JR is as the overload protection of motor, sometimes the also open phase protection of double as motor.The circuit that this discrete component is formed, is installed and used loaded down with trivial detailsly at wiring complexity, consumptive material, consumption power, and huge, the poor reliability that takes up room, and require the designer that various part characteristics are grasped fully just can be designed characteristic and cooperate comparatively suitable circuit.

Another kind is promptly to control and protection switch electrical equipment (being called for short CPS) with the multifunctional electric appliance of the integrated form of protective effect by having control simultaneously.Once open " a kind of integrated control and protection switch the electrical equipment " (ZL01238478.X of Chinese patent; CN2472341Y; January 16 2002 day for announcing); its structure constitutes modular integrated mounting means; be used in equally and protect between power supply and the load and control, this mode not only combines the discrete electrical equipment of two kinds of functions together, and has realized the cooperation of control with protection in inside; volume is less, and present application more and more widely.

But in some low-voltage electrical apparatus occasions; as the light distribution occasion, the distribution system of large-scale synthesis function particularly, he does not need generic failures protections such as overload, the phase failure; the short-circuit protection and the controlled function that only need control and protection switch, particularly intelligent, networked function.Still use the CPS of the pyromagnetic protection of employing dual metal type can not meet the demands in this occasion, but and it is unreasonable.Along with electronic technology and digitizing technique development, low-voltage electrical apparatus develops towards the direction of intellectuality, multifunction, networking, adopts the CPS of the pyromagnetic protected mode of bimetal leaf, can not satisfy field requirement.

Summary of the invention

The purpose of this utility model provides a kind of modular multi-function electrical equipment.This electrical equipment has short-circuit protection function, remote control function and controlled function on the spot; This electrical equipment can also constitute control and protection switch with the thermo magnetic trip release device; Can also constitute Digital Control and protection switch with digital controller.

For achieving the above object, the technical solution of the utility model is:

A kind of modular multi-function electrical equipment comprises: base 1, drive shell 2, electromagnetism transmission mechanism 5, operating mechanism 4, main circuit contact group 3; Also can comprise supplementary module, thermo magnetic trip release device, digital controller, interrupter.

Described main circuit contact group 3 is equipped with the dynamic and static main contact of solenidal electromagnet 14 and double break point, and solenidal electromagnet 14 is connected with main contact by push rod; Described electromagnetism transmission mechanism 5 mainly is made up of sound iron core, coil, support, push rod, conductive clip, and push rod is fixed on the iron core, is provided with a breakpoint of connecting with coil in the conductive clip, and is controlled by operating mechanism 4 by a driving lever.

It is related with main circuit contact group 3, electromagnetism transmission mechanism 5 respectively that described operating mechanism 4 is equipped with push rod, push pedal, driving lever, pull bar, and manually operated instruction button is arranged.

Binding post is equipped with in described main circuit contact group 3 rear ends, can be connected to load by lead or busbar; The inner surface of described drive shell 2 rear end inner surfaces and main circuit contact group 3 rear ends fits.

Described supplementary module comprises binding post 55, contact support 56, sensitive switch 54, push rod 53, shunt release 52 and push rod 51; Described contact support 56, sensitive switch 54, push rod 53 are associated with operating mechanism 4, and by binding post signal are exported; Described supplementary module can be installed in right side, the left side of multifunctional electric appliance, and extendible.

Described thermo magnetic trip release device comprises clapper-type wink motor magnet 39 and differential attachment 40, clapper-type wink motor magnet 39 and differential attachment 40 be installed on the body, clapper-type wink, motor magnet 39 coil tandem was in main circuit; Three conductive clips 48 of the three-phase of described thermo magnetic trip release device insert in the terminal 15 of multifunctional electric appliance, and pass through screw; Push rod 26 in the slurcam 42 of described thermo magnetic trip release device and the operating mechanism contacts; The hook 50 of thermo magnetic trip release device is connected with the hook 49 of digital controller.

Described digital controller comprises microprocessor module, power module, digital quantity input/output module, signal acquisition module, human-machine interface module, communication module, output Executive Module; Three conductive clips 48 of the three-phase of described digital controller insert in the contact group terminal 15 of multifunctional electric appliance, and pass through screw; Push rod 26 in the magnetic flow convertor 57 of digital controller and the operating mechanism contacts; The hook of digital controller is connected with the hook of multifunctional controller.

Described interrupter comprises isolation knife contact 35, support 33, swivel mount 31, main circuit conductive plate, indication piece 34 and is associated with the pull bar of operating mechanism; The cutter contact of described isolation is fixed on the support, can move up and down connection with support, disconnect main circuit; The support of described interrupter is fixed on the electromagnetism transmission mechanism 5, and cutter contact 36,37 is placed in the drive shell 2.

The beneficial effects of the utility model: adopt modular multi-function electrical equipment of the present utility model, can be widely used in low-pressure electric controlled system.When using separately; the system's ratio that constitutes with traditional discrete component; volume reduces; save silver-colored material-saving, time saving and energy saving, reduced tie point; failure rate reduces greatly; easy to install, particularly the cooperation of control with protection realized in product inside, significantly reduced the volume and the installation dimension of product.This modular multi-function electrical equipment combines with the thermo magnetic trip release device, can form control and protection switch, have same function with traditional control and protection switch, and volume is littler; This modular multi-function electrical equipment combines with digital controller, can form Digital Control and protection switch electrical equipment, can be applied to various motor control center, distribution occasion.Realization is to functions such as the control of motor, protection, parameter demonstration, communications.This modular multi-function electrical equipment adopts the modular construction design; select for use different modules can form different types of product composition; and volume is little; inner control and the cooperation of protecting of realizing of product; easy-to-connect, reliability is higher and have the characteristics of energy-saving material-saving, has high economic benefit and social benefit.

Below in conjunction with drawings and Examples to the utility model detailed explanation of making comparisons.

Description of drawings

Fig. 1 is the typical circuit of the electric-control system that is made of discrete component;

Fig. 2 is the formation schematic diagram of multifunctional electric appliance of the present utility model;

Fig. 3 is the contact group schematic diagram of multifunctional electric appliance of the present utility model;

Fig. 4 is that the contact group of multifunctional electric appliance of the present utility model cooperates schematic diagram with lid;

Fig. 5 is the electromagnetism transmission mechanism schematic diagram of multifunctional electric appliance of the present utility model;

Fig. 6, Fig. 7 are the operating mechanism schematic diagram of multifunctional electric appliance of the present utility model;

Fig. 8 is the panel tab schematic diagram of multifunctional electric appliance of the present utility model;

Fig. 9, Figure 10, Figure 11 are the interrupter schematic diagram of multifunctional electric appliance of the present utility model;

Figure 12 is that multifunctional electric appliance of the present utility model and interrupter constitute schematic diagram;

Figure 13 is the thermo magnetic trip release device schematic diagram of multifunctional electric appliance of the present utility model.

Figure 14 is the clapper-type wink motor magnet action schematic diagram of multifunctional electric appliance of the present utility model.

Figure 15, Figure 16 are the interior differential attachment schematic diagram of the thermo magnetic trip release device of multifunctional electric appliance of the present utility model.

Figure 17, Figure 18 are control and the protection switch structural representation that multifunctional electric appliance of the present utility model and thermo magnetic trip release device constitute.

Figure 19 is the auxiliary contact and the shunt opening device schematic diagram of multifunctional electric appliance of the present utility model;

Figure 20 is that multifunctional electric appliance of the present utility model and supplementary module constitute schematic diagram;

Figure 21 is that the digital controller of multifunctional electric appliance of the present utility model constitutes schematic diagram;

Figure 22 is Digital Control and the protection switch schematic diagram that multifunctional electric appliance of the present utility model and digital controller constitute;

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment

With reference to Fig. 2, this is the formation schematic diagram of the utility model multifunctional electric appliance.

As shown in the figure: described multifunctional electric appliance comprises: base (1), drive shell (2), electromagnetism transmission mechanism (5), operating mechanism (4), contact group (3).

With reference to Fig. 3, this is the contact group schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure: 14 is solenidal electromagnet, its coil directly seals in main circuit, bar 13 is fixed on the moving iron core of solenidal electromagnet 14, push rod 6 is positioned at the below of bar 13, and be associated with the contact that fixedly touches bridge 11 and support 7, two moving contacts 9 are welded on and touch bridge 11 two ends, two fixed contacts 8 are welded on two contact plates 12 and 16, when short circuit current occurring in the circuit, solenidal electromagnet 14 adhesives, the moving moving push rod 6 that impacts of 13 winks of bar that drives unshakable in one's determination, and short circuit current is big more, impact velocity is fast more, and push rod 6 acts on contact and supports 7, drives two moving contacts 9 and separates with two fixed contacts 8.Touch the current opposite in direction that flows through in bridge 11 and the contact plate 12,16, produce from the outside magnetic field of paper touching around the bridge, touch the electric magnetic that bridge produces and make contact separately under the action of a magnetic field.15 is terminal, links to each other with main circuit, can be connected to load by lead or busbar.

With reference to Fig. 4, this is that the contact group of multifunctional electric appliance of the present utility model cooperates schematic diagram with lid.

As shown in the figure, three groups (3) that contact are installed in the drive shell (2), and the leading-out terminal of contact group is equipped with terminal 15.That surface of the rear end of contact group 3 fits with the inner surface of drive shell 2 rear ends.

With reference to Fig. 5, this is the electromagnetism transmission mechanism schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure, electromagnetism transmission mechanism (5) by with can realize cooperating of operating mechanism (4) circuit long-range and automatic control on the spot.Way point of interruption K is serially connected in the control coil loop, 19 is fixed contact, and moving contact is fixed on the reed 17, and 18 is the driving lever by operating mechanism control, the external control power supply of A1, A2, push rod 20 is fixed on moving unshakable in one's determination 22, and its lower end abuts against contact by three screw rods 21 and supports that 23 is static iron core on 7, during the control coil no power, push rod 20 is just in time depressed contact support 7, and the dynamic/ static contact 8,9 in the contact group separates, and main circuit disconnects.Only when the energising of control coil loop, the iron core adhesive is moved iron core drive push rod 20 and is lifted, and contact support 7 moves under the spring force effect, dynamic/ static contact 8,9 contacts, and main contact could be closed.

Because breakpoint K is serially connected in the control that is subjected to operating mechanism 4 in the control coil loop, therefore by the knob actuating driving lever 18 on the operating mechanism, make breakpoint K close branch, thereby make the control coil break-make, can realize the branch that closes of main contact on the spot, promptly short range is controlled automatically; Be connected in series on-off push button to inserting on the remote control power supply on A1, the A2 simultaneously, can make the control coil break-make equally, realize the purpose of remote auto control.

Fig. 6 and vertical view 7 thereof are electromagnetism transmission mechanism schematic diagrames of multifunctional electric appliance of the present utility model.

As shown in the figure, driving lever 18 is related with described electromagnetism transmission mechanism 5 among Fig. 6, and described driving lever 18 is directly controlled the breakpoint K in the electromagnetism transmission mechanism 5, realizes the break-make of control coil.Pull bar 24 is associated with interrupter, and the power that acts on described operating mechanism upper knob 25 can drive driving lever 24, thereby makes interrupter be in the isolated location, finally realizes isolation features; The be heated effect of magnetic release or digital controller of push rod 26 among Fig. 6 can make driving lever 18 disjunction control coil loops under the transmission of operating mechanism; Push pedal 27 among Fig. 7 interrelates with the described group 3 that contacts, and when short circuit current appearred in main circuit, it also can make the control coil loop disconnect, thereby guaranteed the disjunction of main contact behind short-circuit impact.

With reference to Fig. 8, this is the panel tab schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure: the knob 25,30 and 28 on the panel tab 29 and the operating mechanism is respectively break-make and the short trouble indicator knob can provide the multiple different operating state of electrical equipment.When knob indication AUTO position, electrical equipment is in automatic control state, and this state is connected the control coil power supply down, and the closed indication piece 30 of main contact takes on a red color; Manual operation makes knob point to the OFF position, and electrical equipment will be in the off-state of automatic control, and this moment, main contact will can not be connected all the time; In the normal circuit of connecting, as when overload, the phase failure, short circuit, fault such as under-voltage occurring, corresponding functional module action in the switch body, this moment, the action of mechanism made knob be in the TRIP position, the position of promptly threading off, special when short trouble occurring, indicating device 28 will take on a red color; Isolate as realizing, must at first knob be placed the G position, operation is isolated indication piece and is realized; RESET is a crossover position among the figure, the button again of the mechanism after operation knob can be realized threading off by this position.

Fig. 9, Figure 10, Figure 11 are the interrupter schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure: the cutter contact 35 of isolation is fixed on the support 33, and is serially connected in the main circuit, and 36 and 37 are fixing main circuit conductive plate.Under pull bar 24 tension, swivel mount 31 can rotate around fulcrum 32, and simultaneously, the rotation of swivel mount 31 can drive moving up and down of support 35 again, when support 35 moves up under the effect of swivel mount 31, isolation knife contact 35 will break away from 36 and 37 and main circuit is disconnected.When Figure 10 is in isolated location G for knob, the state of main circuit disjunction, as can be seen from Figure 10, moving up and down of support is the result that swivel mount acts on the face N and the face M of support, under this state, move right with external force pulling indication piece 34, indication piece will drive support and break away from swivel mount 31 together with the cutter contact, and as shown in figure 11, face M and face N have not contacted with swivel mount 31, this moment, the rotation of swivel mount can not make main circuit connect, thereby reached the purpose of isolation; As connecting main circuit once more, must make knob get back to isolated location G earlier, external force promotes indication piece, gets back to position shown in Figure 10 by position shown in Figure 11, and the manual manipulation knob makes the cutter contact contact with 37 with main circuit conductive plate 36 then, could connect circuit.

With reference to Figure 12, be the multifunctional electric appliance and the interrupter formation schematic diagram of the utility model patent.

As shown in the figure: the support 31 of interrupter is fixed on the electromagnetism transmission mechanism 5, and cutter contact 36,37 is placed in the drive shell 2.

With reference to Figure 13, be the thermo magnetic trip release device schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure, the thermo magnetic trip release device comprises clapper-type wink motor magnet 39 and differential attachment 40, clapper-type wink motor magnet 39 and differential attachment 40 be installed on the body, clapper-type wink, motor magnet 39 coil tandem was in main circuit.

With reference to Figure 14, be the clapper-type wink motor magnet action schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure, 42 is a slurcam in the overcurrent trip, it contacts with operating mechanism push rod 26, when the loaded current in the circuit during greater than the rated current of the certain multiple of setting, 39 winks of motor magnet clapper-type wink move adhesive, and mechanism's 35 transmissions are passed through in its displacement, 42 move right, promote the push rod 26 in the operating mechanism, thereby finally divide deenergizing, realized that short time delay wink moving.

With reference to Figure 15 and Figure 16, this is the interior differential attachment schematic diagram of thermo magnetic trip release device of multifunctional electric appliance of the present utility model.

As shown in the figure, under the situation of three-phase overload, 44 heating of bimetal leaf 43 heated element, it is crooked left to promote upper guide plate 46, promotes push pedal 45 and makes transmission mechanism 40 actions, realizes overlond trip; When the circuit phase failure, phase failure bimetal leaf will cool off and bending to the right, promoting bottom guide 47 moves to right, and the two-phase bimetal leaf still makes upper guide plate 45 move to left under current flow heats in addition, the result is rotated counterclockwise push pedal under last bottom guide promotes, make transmission mechanism 40 actions rapidly, realize differential phase failure dropout.

With reference to Figure 17, Figure 18, this is control and protection switch structural representation that multifunctional electric appliance of the present utility model and thermo magnetic trip release device constitute.

As shown in figure 17, three conductive clips 48 of the three-phase of thermo magnetic trip release device insert in the terminal 15 of multifunctional electric appliance, and pass through screw.Push rod 26 in the slurcam 42 of thermo magnetic trip release device and the operating mechanism contact, and when the thermo magnetic trip release device detects fault or experiences fault-signal, slurcam 42 promotes push rods 26, thereby finally divides deenergizing, has realized moving in short time delay wink.Figure 18 shows that the control of multifunctional electric appliance and thermo magnetic trip release device formation and the upward view of protection switch structure; the hook 50 of thermo magnetic trip release device is connected with the hook 49 of multifunctional controller in the way; thereby make multifunctional electric appliance and thermo magnetic trip release device constitute a complete product, can assemble by draw-in groove.

With reference to Figure 19, be the auxiliary contact and the shunt opening device schematic diagram of multifunctional electric appliance of the present utility model;

As shown in the figure: described supplementary module comprises binding post 55, contact support 56, sensitive switch 54, push rod 53, shunt release 52, push rod 51.When the adhesive of multifunctional electric appliance main body with when disconnecting, drive contact support 56 by electromagnetism transmission mechanism and move up and down, thereby make accordingly often open, state exchanges take place in normally closed terminal 55, send auxiliary signal; When multifunctional electric appliance breaks down (overload, overcurrent, short circuit, shunt opening etc.), drive push rod 53 by operating mechanism, make the failure alarm signal terminal be converted to normally closedly by often opening, send alarm signal; When multifunctional electric appliance is short-circuited fault, also directly promote sensitive switch 54 actions by operating mechanism, make the short-circuit alarming signal terminal be converted to normally closedly by often opening, send the short-circuit alarming signal; When handle 25 is in the AUTO position, promote sensitive switch 54 actions by operating mechanism, make handle state indication end be converted to normally closedly by often opening, send and be ready for signal; When the external world inserted corresponding control voltage by terminal with the control end of shunt release 52, the shunt release action drove push rod 51 actions, further promotes push rod 26 actions of operating mechanism, and final disjunction major loop is realized the shunt opening function.

In the supplementary module, can carry out flexible combination to auxiliary signal terminal, alarm signal terminal, status signal terminal, shunt opening control terminal by increasing or the cancellation corresponding functional modules.Simultaneously can support 56, further expand the auxiliary signal number of terminals by contact.All auxiliary signal terminals all can be configured to Chang Kai or normally-closed contact by changing structure.

With reference to Figure 20, this is that multifunctional electric appliance of the present utility model and supplementary module constitute schematic diagram.

As shown in the figure, 51 is the push rod of the shunt release 52 of supplementary module, 26 is the push rod of operating mechanism, when the shunt release coil electricity, by push rod 51, promote push rod 26 actions, pass through the final disjunction major loop of electromagnetic system by operating mechanism, and send corresponding signal by supplementary module by operating mechanism.

As seen from Figure 20, supplementary module is fixed on the right side of multifunctional controller, and its volume matches with the main body profile of multifunctional controller.But as required, also can change the volume and the overall dimension of supplementary module, arrive thermo magnetic trip release device or digital controller as enlarged areas with supplementary module.Also can change the installation site of supplementary module, as supplementary module being fixed on the left side of multifunctional electric appliance, or a supplementary module is assembled on the right side of supplementary module more in the drawings.

With reference to Figure 21, this is the digital controller formation schematic diagram of multifunctional electric appliance of the present utility model.

As shown in the figure: digital controller comprises: microprocessor module, power module, digital quantity input/output module, signal acquisition module, human-machine interface module, communication module, output Executive Module etc.By to the combination of module and the difference of each module implementation, can constitute different digital controllers.

With reference to Figure 22, this is Digital Control and protection switch schematic diagram that multifunctional electric appliance of the present utility model and digital controller constitute.

As shown in the figure: in the connected mode and Figure 16 of digital controller and multifunctional electric appliance, the thermo magnetic trip release device is identical with the connected mode of multifunctional electric appliance.15 for the outlet terminal of contact group 3; 48 is three conductive clips of the three-phase of digital controller, identical with conductive clip in the thermo magnetic trip release device; 57 is the magnetic flow convertor of digital controller, and the slurcam 42 in its function and the thermo magnetic trip release device is suitable; 26 is the push rod of operating mechanism.Three conductive clips 48 of the three-phase of digital controller insert in the contact group terminal 15 of multifunctional electric appliance, and pass through screw.Push rod 26 in the magnetic flow convertor 57 of digital controller and the operating mechanism contacts; when the digital controller microprocessor module sends the dropout instruction; drive magnetic flow convertor 57 actions; the push rod of magnetic flow convertor 57 promotes push rod 26; thereby finally divide deenergizing; realized the protection disjunction, and sent corresponding fault-signal by operating mechanism.Digital controller connects identical with Figure 17 with the bottom of multifunctional electric appliance.

Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the utility model; should understand and wherein can make variations and modifications and do not break away from the utility model in a broad sense; so be not that conduct is to qualification of the present utility model; as long as in connotation scope of the present utility model, to the variation of above-described embodiment, the protection range that distortion all will fall into the utility model claim.

Claims (5)

1. modular multi-function electrical equipment, comprise: base (1), drive shell (2), electromagnetism transmission mechanism (5), operating mechanism (4), main circuit contact group (3), described main circuit contact group (3) is equipped with the dynamic and static main contact of solenidal electromagnet (14) and double break point, and solenidal electromagnet (14) is connected with main contact by push rod; Described electromagnetism transmission mechanism (5) mainly is made up of sound iron core, coil, support, push rod, conductive clip, and push rod is fixed on the iron core, is provided with a breakpoint of connecting with coil in the conductive clip, and is controlled by operating mechanism (4) by a push rod; It is related with main circuit contact group (3), electromagnetism transmission mechanism (4) respectively that described operating mechanism (4) is equipped with push rod, push pedal, driving lever, pull bar, and manually operated instruction button is arranged; It is characterized in that: binding post is equipped with in described main circuit contact group (3) rear end, can be connected to load by lead or busbar; The inner surface of described drive shell (2) rear end inner surface and main circuit contact group (3) rear end fits; Also can comprise supplementary module, thermo magnetic trip release device, digital controller, interrupter.

2. modular multi-function electrical equipment as claimed in claim 1 is characterized in that: described supplementary module comprises binding post (55), contact support (56), sensitive switch (54), push rod (53), shunt release (52) and push rod (51); Described contact support (56), sensitive switch (54), push rod (53) are associated with operating mechanism (4), and by binding post signal are exported; Described supplementary module can be installed in right side, the left side of multifunctional electric appliance, and extendible.

3. modular multi-function electrical equipment as claimed in claim 1, it is characterized in that, described thermo magnetic trip release device comprises clapper-type wink motor magnet (39) and differential attachment (40), clapper-type wink motor magnet (39) and differential attachment (40) are installed on the body, and the coil tandem of clapper-type wink motor magnet (39) is in main circuit; Three conductive clips (48) of the three-phase of described thermo magnetic trip release device insert in the terminal (15) of multifunctional electric appliance, and pass through screw; Push rod (26) in the slurcam of described thermo magnetic trip release device (42) and the operating mechanism contacts; The hook of thermo magnetic trip release device (50) is connected with the hook (49) of multifunctional controller.

4. as right 1 described modular multi-function electrical equipment, it is characterized in that: described digital controller comprises microprocessor module, power module, digital quantity input/output module, signal acquisition module, human-machine interface module, communication module, output Executive Module; Three conductive clips (48) of the three-phase of described digital controller insert in the contact group terminal (15) of multifunctional electric appliance, and pass through screw; Push rod (26) in the magnetic flow convertor of digital controller (57) and the operating mechanism contacts; The hook of digital controller is connected with the hook of multifunctional controller.

5. modular multi-function electrical equipment as claimed in claim 1 is characterized in that: described interrupter comprises isolation knife contact (35), support (33), swivel mount (31), main circuit conductive plate, indication piece (34) and is associated with the pull bar of operating mechanism; The cutter contact of described isolation is fixed on the support, can move up and down connection with support, disconnect main circuit; The support of described interrupter is fixed on the electromagnetism transmission mechanism (5), and cutter contact (36), (37) are placed in the drive shell (2).

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