CN202189704U

CN202189704U - Novel controller

Info

Publication number: CN202189704U
Application number: CN201120179070XU
Authority: CN
Inventors: 何东
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2012-04-11
Anticipated expiration: 2021-05-31

Abstract

The utility model discloses a novel controller for realizing switching-on and reset of the controller by switching on or switching off an external power supply. The controller comprises a control device for keeping the switching-on circuit in the switching-on and switching-off states, and a driving circuit for driving the control device to switch between the switching-on and switching-off states; when the control device is switched to the switching-on state, a self-locking function is realized simultaneously; the control device can be a contactor, a relay, an electromagnetic clutch or an electromagnetic valve; the control device also can be permanent magnetic type, magnetic turn-over type or locking type; and the driving circuit includes a suction unit, an energy storage unit, a reset unit and a rectifying unit. When the external power supply is switched on, the suction unit of the driving circuit drives the controller to switch to the switching-on state, and the energy storage unit is charged simultaneously; after the energy storage unit is charged completely, the suction unit stops working; when the external power supply is switched off, the energy storage unit is taken as a power supply of the reset unit, so that the controller completes the reset operation.

Description

New controller

Technical field

The utility model relates to a kind of new controller, specifically, relates to a kind of passing through and inserts or the disconnecting external power supply, thereby realize controller conducting and the new controller that resets.

Background technology

The control of automation now is more and more general, and controller obtains increasing application as the switch of the disconnection and the conducting of place in circuit in some actual installation; Controller mainly comprises contactor, relay, electromagnetic clutch and electromagnetically operated valve, and existing alternating-current controller all guarantees controller adhesive operation with electromagnetic force, and the Common Controller holding power has been hectowatt by several watts; In running; The necessary consumed power of the solenoid of controller in order to save electric energy, employing alternating-current controller silent power-saving operating scheme occurred at present; Utilize electromagnetic force to guarantee what alternating-current controller moved but this technology remains, can not reach the purpose of real economize on electricity.

The utility model content

To above deficiency; It is a kind of through access or disconnecting external power supply that the utility model provides, thereby realize controller conducting and the new controller that resets, when inserting external power source; Adhesive unit drives controller through drive circuit switches to conducting state; Simultaneously energy-storage units is charged, when energy-storage units charging finishes, adhesive unit do not work (this branch road breaks off); When the disconnecting external power supply,, make controller accomplish reset operation through the power supply of energy-storage units as reset unit.

The new controller of the utility model comprises the conducting that keeps place in circuit and the control device of disconnection, and drives the drive circuit that said control device switches between conducting and off-state, and said drive circuit comprises:

When feeding power supply, drive the adhesive unit that said control device switches to conducting state;

When feeding power supply, the operation of beginning electric energy storage, and after electric energy storage is accomplished, break off the energy-storage units of adhesive unit branch road;

When deenergization, utilize said energy-storage units as power supply, drive the reset unit that said control device returns to off-state.

Said control device can be a contactor, also can be relay, also can be electromagnetic clutch, can also be electromagnetically operated valve.

Said control device can be the permanent magnetism freeze mode, also can be that magnetic is convertible, can also be locking type.

Said drive circuit also comprises rectification unit, and said rectification unit is used for converting the external communication electricity that inserts to direct current.

Said locking type contactor comprises housing, is provided with first iron core and first electromagnet of the action that cooperatively interacts in the said housing, is provided with resetting means between said first iron core and first electromagnet; First iron core can pump in housing; First iron core upper end upwards forms vertical block spare, and said block spare extends upward out said housing, and the exterior contour of block spare is stepped; Its big end down; Said hull outside top is fixed with the transverse elasticity lock piece, and when first iron core and first electromagnet were in attracting state, said lock piece snapped in the small end of block spare.

Said lock piece comprises the holder that is fixed on the hull outside top, and said holder left side is provided with through hole, is arranged with the transversal stretching bar in the said through hole; Said expansion link left end is fixed with horizontal latch, is provided with second back-moving spring between said latch and the holder, and said second back-moving spring is in compressive state always; When first iron core and first electromagnet are in attracting state; Latch snaps in the small end of block spare, and the expansion link right-hand member is provided with second iron core, and the position corresponding to second iron core in the said holder is provided with second electromagnet; When second electromagnet was switched on, said latch came off from the small end of block spare.

Said enclosure interior left end is provided with gathering sill, and said second iron core can horizontally slip in said gathering sill.

Said resetting means comprises several first back-moving springs that are connected between first iron core and the housing bottom, and each said first back-moving spring all is in compressive state.

Said housing bottom is provided with several stopper slots; First back-moving spring lays respectively in the corresponding stopper slot; Said first iron core and first electromagnet are " E " font; And breach is installed in opposite directions, is separately installed with the elastic film that several are used to reduce to clash into sound in the breach of said first iron core and first electromagnet.

The beneficial effect of the utility model: the utility model is through block spare and elasticity lock piece mechanical engagement; Guaranteed that controller is under the situation of energising; Make controller switch and remain on attracting state through the adhesive unit drives, accomplish charging operations simultaneously, when the energy-storage units charging finishes to energy-storage units; Make adhesive unit do not work (this branch road break off) through energy-storage units; And controller continues to remain on conducting (attracting state) owing to the elasticity lock piece, thereby has reduced the conduction time of adhesive unit (pull-in winding), really reaches purpose of energy saving; When the disconnecting external power supply,, make controller accomplish reset operation through the power supply of energy-storage units as reset unit.In addition, the drive circuit of the utility model includes energy-storage units and rectification unit, makes the utility model be applicable to direct current and alternating current; And when the disconnecting external power supply; Through energy-storage units driving reset unit (resetting coil) release, circuit structure is simpler, and is simultaneously also more energy-conservation.

Description of drawings

Fig. 1 is the new controller structural representation of the utility model;

Fig. 2 is the circuit theory diagrams of the drive circuit of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further set forth, wherein, the direction of the utility model is standard with Fig. 1.

As shown in Figure 1; The controller of the utility model comprises the conducting that keeps place in circuit and the control device 1 of disconnection, and drives the drive circuit 2 that said control device 1 switches between conducting and off-state, and said drive circuit 2 comprises: when feeding power supply; Drive adhesive unit 21 that said control device 1 switches to conducting state when feeding power supply; The operation of beginning electric energy storage, and after electric energy storage is accomplished, break off the energy-storage units 22 of adhesive unit 21 branch roads; When deenergization, utilize said energy-storage units 22 as power supply, drive the reset unit 23 that said control device 1 returns to off-state; Be used for converting the external communication electricity that inserts to galvanic rectification unit 24.When inserting external power source; Adhesive unit drives controller through drive circuit switches to conducting state, simultaneously energy-storage units is charged, when the energy-storage units charging finishes; Adhesive unit do not work (this branch road break off); When the disconnecting external power supply,, make controller accomplish reset operation through the power supply of energy-storage units as reset unit.

The control device 1 of the utility model can be a contactor; Also can be relay, also can be electromagnetic clutch, can also be that perhaps other utilizes the product of electromagnetic principle as switchgear to electromagnetically operated valve; In addition; The control device 1 of the utility model can be the permanent magnetism freeze mode, also can be that magnetic is convertible, can also be locking type.

Only with the example of locking type contactor as explanation, other principle and structure are identical, do not explain at this for following the utility model.

Control device 1 comprises plastic insulation housing 11, and said housing 11 inside form square cavity, and (other shape is also passable, can inside slide as long as guarantee iron core or electromagnet; Making contactor in adhesive and to break away to switch between the two states gets final product); First iron core 121 and first electromagnet 122 are installed in the cavity one of (both be that fixed installation, another one be movable the installation, the utility model is an example explanation with the fixed installation of first electromagnet only); Wherein, First electromagnet 122 is fixed on the bottom of housing 11 cavitys, and first iron core 121 is installed in the cavity top through resetting means 13, and resetting means 13 comprises that several are connected first back-moving spring 131 between first iron core 121 and housing 11 bottoms; Concrete mode does; The side of first iron core 121 is provided with several pressing plates, and each said first back-moving spring 131 is installed between pressing plate and housing 11 bottoms, and each said first back-moving spring 131 all is in compressive state always; (each said first back-moving spring 131 also can be installed between pressing plate and housing 11 tops certainly could really to play the result who resets like this; Just this moment, each said first back-moving spring 131 all will be in extended state always), consider first back-moving spring 131 for distorting because of compression, the utility model can also be installed stopper slot 16 in the position of each said first back-moving spring 131; Just the height of stopper slot 16 can not be too high, otherwise can influence the normal adhesive of first iron core 121 and first electromagnet 122.First iron core, 121 tops upwards form vertical block spare 141; Housing 11 tops have perforation, and block spare 141 extends upward out perforation, and the exterior contour of block spare 141 is stepped; Its big end down; Top, housing 11 outside is provided with elasticity lock piece 142, and when first iron core 121 and first electromagnet 122 were in attracting state, the small end that lock piece 142 just snaps in block spare 141 (also can be provided with a hole clipping at the small end of block spare 141; When first iron core 121 and first electromagnet 122 were in attracting state, lock piece 142 just snapped in hole clipping).Like this, when 122 energisings of first electromagnet, first electromagnet 122 attracts first iron core, 121 compressings, first back-moving spring 131 to move downward; When first iron core 121 is in attracting state with first electromagnet 122 (contact), elasticity lock piece 142 just snaps onto the small end of block spare 141, when 122 outages of first electromagnet; Because the resistance of lock piece 142, first iron core 121 can not break away from first electromagnet 122, and promptly contactor can not reset; And need the words of release this moment; Only need to give elasticity lock piece 142 power to the right, make lock piece 142 break away from the small end of block spare 141, first iron core 121 is owing to the active force of first back-moving spring 131 can move upward; Thereby make the iron core 121 of winning break away from first electromagnet 122, to reach contactor and reset the purpose of (release).Wherein lock piece 142 comprises the holder 1421 that is fixed on top, housing 11 outside, and holder 1421 inside are cavity, and said holder 1421 left sides are provided with through hole; Be arranged with transversal stretching bar 1422 in this through hole, said expansion link 1422 left ends are fixed with latch 1423, are provided with second back-moving spring 1424 between said latch 1423 and the holder 1421; Second back-moving spring 1424 is in compressive state always; When first iron core 121 and first electromagnet 122 are in attracting state, latch 1423 just snaps in the small end of block spare 141, and said expansion link 1422 right-hand members are provided with second iron core 151; Position corresponding to second iron core 151 in the holder 1421 is provided with second electromagnet 152; When 152 energisings (instantaneous) of second electromagnet, second electromagnet 152 attracts second iron core 151 to move right, and second iron core 151 drives expansion link 1422 drive latches 1423 and moves right; Latch 1423 breaks away from from the small end of block spare 141; To realize the purpose of release, said housing 11 inner left ends can also be provided with gathering sill 153, and said second iron core 151 can horizontally slip in said gathering sill 153.In addition; Consider that the metalwork bump can produce very big noise; First iron core 121 of the utility model and first electromagnet 122 are paid the utmost attention to employing " E " font; And breach is installed in opposite directions, in the breach of first iron core 121 and first electromagnet 122, is separately installed with the elastic film 17 that several are used to reduce to clash into sound again.

The front by the agency of the drive circuit 2 of the utility model comprise adhesive unit 21, energy-storage units 22, reset unit 23 and rectification unit 24; As shown in Figure 2, wherein, rectification unit 24 adopts rectifier bridge DB1; When the electric current that feeds is alternating current; Convert alternating current to direct current, adhesive unit 21 is made up of pull-in winding L1, resistance R 5 and diode D8, and reset unit 23 is made up of resetting coil L2 and peripheral circuit thereof; Energy-storage units 22 comprises charging capacitor C2,2 binding posts as contactor pull-in winding L1 of A and B.

When inserting power supply between A and the B, electric current forms direct current after rectifier bridge DB1 rectification, and one the tunnel charges to capacitor C 2 through diode D5 and pull-in winding L1; First iron core 121 of contactor also contacts with 122 adhesives of first electromagnet simultaneously, and latch 1423 snaps in the small end of block spare 141, after C2 is full of electricity; C2 does not have charging current; Pull-in winding L1 no current flows through, and does not have attraction between first iron core 121 and first electromagnet 122, but is stuck in block spare 141 small ends because of latch 1423; First iron core 121 and first electromagnet 122 still remain on the attracted position, and the conducting contact; Another road electric current offers triode Q1 bias current through R2, constantly is in through Q1 and amplifies and cut-off state, makes capacitor C 1 charging voltage can not surpass 30V, and diode D6 and Q1 end, and resetting coil L2 no current continues to remain on contactor adhesive conducting state.

When A and B two ends no-voltage, triode Q1 ends, and capacitor C 2 is charged to capacitor C 1 through resistance R 3; When capacitor C 1 two ends charging voltage surpasses 30V, diac D6 conducting, diode D2 conducting; Capacitor C 2 is through resetting coil L2, pull-in winding L1, resistance R 5 and diode D8 discharge, and because of L1 has D8 and R5 dividing potential drop, voltage is lower; Only do adhesive a little and just discharge first iron core 121, and resetting coil L2 divide most of voltage, second iron core, 151 adhesives, second electromagnet 152; Latch 1423 is extracted from the small end of block spare 141, and under the driving of first back-moving spring 131, first iron core 121 and first electromagnet were opened in 122 minutes; Contactor resets, and is in disconnection (release) state.

The above is merely the preferred embodiments of the utility model; The utility model is not limited to above-mentioned execution mode; In implementation process, possibly there is local small structural modification; If spirit and scope that the various changes or the modification of the utility model do not broken away from the utility model, and belong within the claim and equivalent technologies scope of the utility model, then the utility model also is intended to comprise these changes and modification.

Claims

1. new controller, it comprises the conducting that keeps place in circuit and the control device (1) of disconnection, and drives the drive circuit (2) that said control device (1) switches between conducting and off-state, it is characterized in that said drive circuit (2) comprising:

When feeding power supply, drive the adhesive unit (21) that said control device (1) switches to conducting state;

When feeding power supply, the operation of beginning electric energy storage, and after electric energy storage is accomplished, break off the energy-storage units (22) of adhesive unit (21) branch road;

When deenergization, utilize said energy-storage units (22) as power supply, drive the reset unit (23) that said control device (1) returns to off-state.

2. new controller according to claim 1 is characterized in that, said control device (1) is a contactor, perhaps is relay, perhaps is electromagnetic clutch, perhaps is electromagnetically operated valve.

3. new controller according to claim 2 is characterized in that, said control device is the permanent magnetism freeze mode, perhaps is that magnetic is convertible, perhaps is locking type.

4. new controller according to claim 1 is characterized in that, said drive circuit (2) also comprises rectification unit (24), and said rectification unit (24) is used for converting the external communication electricity that inserts to direct current.

5. new controller according to claim 3; It is characterized in that said control device is the locking type contactor, said locking type contactor comprises housing (11); Be provided with first iron core (121) and first electromagnet (122) of the action that cooperatively interacts in the said housing (11); Be provided with resetting means (13) between said first iron core (121) and first electromagnet (122), first iron core (121) can pump in housing (11), and first iron core (121) upper end upwards forms vertical block spare (141); Said block spare (141) extends upward out said housing (11); The exterior contour of block spare (141) is stepped, its big end down, top, said housing (11) outside is fixed with transverse elasticity lock piece (142); When first iron core (121) and first electromagnet (122) when being in attracting state, said lock piece (142) snaps in the small end of block spare (141).

6. new controller according to claim 5; It is characterized in that said lock piece (142) comprises the holder (1421) that is fixed on top, housing (11) outside, said holder (1421) left side is provided with through hole; Be arranged with transversal stretching bar (1422) in the said through hole; Said expansion link (1422) left end is fixed with horizontal latch (1423), is provided with second back-moving spring (1424) between said latch (1423) and the holder (1421), and said second back-moving spring (1424) is in compressive state always; When first iron core (121) and first electromagnet (122) are in attracting state; Latch (1423) snaps in the small end of block spare (141), and expansion link (1422) right-hand member is provided with second iron core (151), and the position corresponding to second iron core (151) in the said holder (1421) is provided with second electromagnet (152); When second electromagnet (152) was switched on, said latch (1423) came off from the small end of block spare (141).

7. new controller according to claim 6 is characterized in that, the inner left end of said housing (11) is provided with gathering sill (153), and said second iron core (151) can horizontally slip in said gathering sill (153).

8. according to claim 5,6 or 7 described new controller; It is characterized in that; Said resetting means (13) comprises several first back-moving springs (131) that are connected between first iron core (121) and housing (11) bottom, and each said first back-moving spring (131) all is in compressive state.

9. new controller according to claim 5; It is characterized in that; Said housing (11) bottom is provided with several stopper slots (16), and first back-moving spring (131) lays respectively in the corresponding stopper slot (16), and said first iron core (121) and first electromagnet (122) are " E " font; And breach is installed in opposite directions, is separately installed with several elastic films that is used to reduce to clash into sound (17) in the breach of said first iron core (121) and first electromagnet (122).