CN206608090U - A kind of DC. rolling-door machine circuit - Google Patents
A kind of DC. rolling-door machine circuit Download PDFInfo
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- CN206608090U CN206608090U CN201720364524.8U CN201720364524U CN206608090U CN 206608090 U CN206608090 U CN 206608090U CN 201720364524 U CN201720364524 U CN 201720364524U CN 206608090 U CN206608090 U CN 206608090U
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- relay
- normally opened
- contact
- control circuit
- descending
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Abstract
The utility model is related to a kind of DC. rolling-door machine circuit, including main circuit, control circuit and braking circuit；The main circuit includes main switch, normally opened first contact of up relay and normally opened second contact, normally opened first contact of descending relay and normally opened second contact, DC. rolling-door machine motor；The control circuit includes upload control circuit and lower line control circuit；The upload control circuit includes normally closed stop button, normally opened up button, normally closed 4th contact of descending relay and up relay coil；The lower line control circuit includes normally closed stop button, normally opened descending button, normally closed 4th contact of up relay and descending relay coil；The braking circuit includes brake magnet coil and the on-delay type time relay；The brake magnet coil is provided with the first parallel winding and the second parallel winding.The utility model energy energy saving.
Description
Technical field
The utility model is related to rolling screen door technical field, more particularly to a kind of DC. rolling-door machine circuit.
Background technology
Rolling screen door lifting is driven by door roller, and door roller is typically made up of motor, gearbox, back casing and rear shell cover；Afterwards
Brake gear is provided with housing, for being braked to door roller, the controller constituted in rear shell cover provided with circuit element is used for
Motor and brake gear are controlled.
Existing DC. rolling-door machine brake gear is main by brake disc, brake block, brake spring and brake magnet coil（Electricity
Magnet）Under composition, door roller braking state, brake block extruding brake disc is promoted to be braked by brake spring；Door roller works
When, brake magnet coil, which is powered, attracts brake block, separates brake block and brake disc and opens brake system, is maintained to rolling door
Machine shuts down.In existing door roller control circuit, brake magnet coil is made up of a winding, and general and machine winding is simultaneously
Connection, the voltage at its two ends is fixed, and therefore, the magnet coil that either brakes, which is powered, is sucked away from the moment of brake block, or maintains
The open mode of brake block and brake disc, the size of current of brake magnet coil is identical.In fact, electromagnet is not operating
Before, because the iron core and brake block of electromagnet have magnetic gap, the moment of electromagnet action needs larger electric current, and electromagnet is closed
After conjunction, there is no magnetic gap between unshakable in one's determination and brake block, form closed magnetic circuit, magnetic flux increases, maintain the electric current of electromagnet closure just
It can greatly reduce.Therefore, existing braking circuit wastes a part of electric energy, also results in magnet coil excessive heating, and influence is stopped
The braking quality of car device.
Utility model content
The utility model overcomes the deficiencies in the prior art and controls circuit there is provided a kind of door roller of energy saving.
The utility model is achieved through the following technical solutions：
A kind of DC. rolling-door machine circuit, including main circuit, control circuit and braking circuit；The main circuit includes master and opened
Pass, normally opened first contact of up relay and normally opened second contact, normally opened first contact and normally opened second of descending relay
Contact, DC. rolling-door machine motor；The input of the main switch connects dc source both positive and negative polarity respectively；The up relay
One end of normally opened first contact and normally opened second contact connects the cathode output end and cathode output end of main switch, the other end respectively
The electrode input end and negative input of DC. rolling-door machine motor are connected respectively；Normally opened first contact of the descending relay and
One end of normally opened second contact connects the cathode output end and cathode output end of main switch respectively, and the other end connects direct current volume respectively
The negative input and electrode input end of the electromechanical machine of door；The control circuit includes upload control circuit and lower line control circuit；
Normally closed stop button, normally opened up button, the descending relay that the upload control circuit includes being sequentially connected in series are normal
Close the 4th contact and up relay coil, the two ends of the upload control circuit connect respectively main switch cathode output end and
Cathode output end；The two ends of the normally opened up button are parallel with normally opened 3rd contact of up relay；
Normally closed stop button, normally opened descending button, the up relay that the lower line control circuit includes being sequentially connected in series are normal
Close the 4th contact and descending relay coil, the two ends of the lower line control circuit connect respectively main switch cathode output end and
Cathode output end；The two ends of the normally opened descending button are parallel with normally opened 3rd contact of descending relay；
The braking circuit includes brake magnet coil and the on-delay type time relay；The brake magnet coil is set
There are the first parallel winding and the second parallel winding, the two ends of first parallel winding connect the positive pole of DC. rolling-door machine motor respectively
Two ends after the normally-closed contact series connection of input and negative input, the second parallel winding and the time relay connect direct current respectively
The electrode input end and negative input of door roller motor；The two ends of the time relay coil connect DC. rolling-door machine respectively
The electrode input end and negative input of motor.
When opening rolling screen door, main switch is first closed, normally opened up button is pressed, the coil of up relay obtains electric adhesive,
Its normally opened first contact and normally opened second closing of contact, main circuit and braking circuit it is electric, braking circuit obtain it is electric after, brake electricity
The first parallel winding, the second parallel winding and the time relay coil of magnetic coil it is electric, the first parallel winding and second is simultaneously
Connection winding obtain it is electric after produce larger electromagnetic force and be sucked away from brake block, brake block is overcome thrust and the brake disc separation of brake spring
Brake system is opened, and the iron core of brake block and brake magnet coil is pulled together to form closed magnetic circuit and make magnetic flux increase；
Main circuit obtain it is electric after DC. rolling-door machine motor obtain it is electric rotate forward start；Time relay coil obtains electric after delay after a while
Its normally-closed contact disconnects, the power-off of the second parallel winding, and now brake system is in open mode, is provided by the first parallel winding
Electromagnetic force maintains the open mode of brake system enough；Up relay coil obtain it is electric after, its normally opened 3rd contact also closed pair
Normally opened up button carries out self-locking in parallel, and its normally closed 4th contact disconnects the lower line control circuit of cut-out and lower line control circuit is carried out
Protection, even if now pressing normally opened descending button, the coil of descending relay can not obtain electric, and descending relay will not be missed
Action；Stop rolling screen door it is up when, press after normally closed stop button, the coil losing electricity of up relay, its normally opened first touch
Point, normally opened second contact and normally opened 3rd contact recover normally opened, and its normally closed 4th contact recovers normally closed, main circuit and brake electricity
The equal dead electricity in road, DC. rolling-door machine motor dead electricity is shut down, the first parallel winding dead electricity, and the extruding of brake spring ejection brake block is stopped
Hull brakes to door roller.Similarly, when closing rolling screen door, first close main switch, press normally opened descending button, it is descending after
Electrical equipment energized action, its normally opened first contact, normally opened second contact and normally opened 3rd contact are closed, and its normally closed 4th contact is broken
Open, main circuit and braking circuit it is electric, brake system is opened, and DC. rolling-door machine motor is inverted because of positive and negative pole-change, roller shutter
Door declines, and equally, even if now pressing normally opened up button, the coil of up relay can not obtain electric, and up relay is not
Can occur misoperation, pressing normally closed stop button can equally make rolling screen door stop decline.
Further, the dc source is 24V.24V is conventional direct current.
Further, gone here and there in the upload control circuit between up relay coil and normally closed 4th contact of descending relay
It is associated with upper limit travel switch；In the lower line control circuit between descending relay coil and normally closed 4th contact of up relay
It is in series with lower bound range switch.Can cut off upload control circuit when rolling screen door is up touches upper limit travel switch makes direct current rolling door
Electromechanical machine shuts down, and when rolling screen door is descending touches lower bound range switch, can also cut off lower line control circuit makes direct current rolling door
Electromechanical machine is shut down, and rolling screen door upstream or downstream can be made to be automatically stopped to position set in advance.
Further, the two ends reverse parallel connection of the up relay and descending relay coil has diode.Reverse parallel connection
Diode plays a part of suppressing to absorb up relay and descending relay coil inverse electromotive force.
Further, the output end of the main switch is in series with fuse.Circuit is shielded.
The beneficial effects of the utility model are：Brake magnet coil is divided into the first parallel winding and the second parallel winding,
First parallel winding and DC. rolling-door machine motor parallel are set；The delays time to control of passage time relay, can make brake electromagnetism
Coil obtains larger electromagnetic force when DC. rolling-door machine motor just starts and opens brake system, and brake system can break again after opening
The second parallel winding circuit is opened, only the open mode of brake system is maintained with the electromagnetic force of the first parallel winding, is stopped so as to reduce
The maintenance operating current of car magnet coil, energy saving.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
As shown in figure 1, embodiment of the present utility model, a kind of DC. rolling-door machine circuit, including main circuit, control circuit and
Braking circuit；The main circuit includes main switch K, up relay KA1 normally opened first contact KA1-1 and normally opened second contact
KA1-2, descending relay KA2 normally opened first contact KA2-1 and normally opened second contact KA2-2, DC. rolling-door machine motor M；Institute
The input for stating main switch K connects dc source both positive and negative polarity respectively；The normally opened first contact KA1-1 of the up relay KA1
Connect main switch K cathode output end and cathode output end respectively with normally opened second contact KA1-2 one end, the other end connects respectively
Connect DC. rolling-door machine motor M electrode input end and negative input；The normally opened first contact KA2- of the descending relay KA2
1 and normally opened second contact KA2-2 one end connects main switch K cathode output end and cathode output end, other end difference respectively
Connect DC. rolling-door machine motor M negative input and electrode input end；The control circuit includes upload control circuit with
Line control circuit；
The upload control circuit include be sequentially connected in series normally closed stop button SB3, normally opened up button SB1, it is descending after
The normally closed 4th contact KA2-4 of electrical equipment and up relay KA1 coils, the two ends of the upload control circuit connect main switch respectively
K cathode output end and cathode output end；The two ends of the normally opened up button SB1 are parallel with the normally opened of up relay KA1
3rd contact KA1-3；
The lower line control circuit include be sequentially connected in series normally closed stop button SB3, normally opened descending button SB2, it is up after
The normally closed 4th contact KA1-4 of electrical equipment and descending relay KA2 coils, the two ends of the lower line control circuit connect main switch respectively
K cathode output end and cathode output end；The two ends of the normally opened descending button SB2 are parallel with the normally opened of descending relay KA2
3rd contact KA2-3；
The braking circuit includes brake magnet coil and on-delay type time relay KT；The brake magnet coil
Provided with the first parallel winding YA1 and the second parallel winding YA2, first parallel winding YA1 two ends connect direct current rolling door respectively
Electromechanical machine M electrode input end and negative input, the second parallel winding YA2 and the time relay KT normally-closed contact KT1-1
Two ends after series connection connect DC. rolling-door machine motor M electrode input end and negative input respectively；The time relay KT
The two ends of coil connect DC. rolling-door machine motor M electrode input end and negative input respectively.
When opening rolling screen door, main switch K is first closed, normally opened up button SB1 is pressed, up relay KA1 coil is obtained
Electric adhesive, its normally opened first contact KA1-1 and normally opened second contact KA1-2 closures, main circuit and braking circuit it is electric, brake
Circuit obtain it is electric after, brake magnet coil the first parallel winding YA1, the second parallel winding YA2 and time relay KT coils it is equal
It is electric, the first parallel winding YA1 and the second parallel winding YA2 obtain it is electric after produce larger electromagnetic force and be sucked away from brake block, make brake
Piece overcomes the thrust of brake spring and brake system is opened in brake disc separation, and brake block and the unshakable in one's determination of brake magnet coil are inhaled
It is combined and forms closed magnetic circuit and magnetic flux is increased；Main circuit obtain it is electric after DC. rolling-door machine motor M obtain it is electric rotate forward start；Time after
Electrical equipment KT coils obtain electric its normally-closed contact KT-1 after delay after a while and disconnected, the second parallel winding YA2 power-off, now
Brake system is in open mode, and the open mode that electromagnetic force maintains brake system enough is provided by the first parallel winding YA1；
Up relay KA1 coils obtain it is electric after, its normally opened 3rd contact KA1-3 also the normally opened up button SB1 of closed pair carry out it is in parallel from
Lock, its normally closed 4th contact KA1-4 disconnects the lower line control circuit of cut-out, lower line control circuit is protected, even if now pressing
Under normally opened descending button SB2, descending relay KA2 coil can not obtain electric, and misoperation will not occur for descending relay KA2；
Stop rolling screen door it is up when, press after normally closed stop button SB3, up relay KA1 coil losing electricity, its normally opened first touch
Point KA1-1, normally opened second contact KA1-2 and normally opened 3rd contact KA1-3 recover normally opened, and its normally closed 4th contact KA1-4 is extensive
Multiple normally closed, main circuit and the equal dead electricity of braking circuit, DC. rolling-door machine motor M dead electricity shut down, and the first parallel winding YA1 loses
Electricity, brake spring ejection brake block extruding brake disc brakes to door roller.Similarly, when closing rolling screen door, first closure is led
K is switched, normally opened descending button SB2, descending relay KA2 energized actions, its normally opened first contact KA2-1, normally opened second is pressed
Contact KA2-2 and normally opened 3rd contact KA2-3 are closed, and its normally closed 4th contact KA2-4 disconnects, and main circuit and braking circuit are equal
Obtain electric, brake system is opened, DC. rolling-door machine motor M is inverted because of positive and negative pole-change, rolling screen door declines, equally, even if now
Pressing the normally opened up relay KA1 of up button SB1 coil can not obtain electric, and misoperation will not occur for up relay KA1,
Pressing normally closed stop button SB3 can equally make rolling screen door stop decline.
In the present embodiment, the dc source is 24V.24V is conventional direct current.
In the present embodiment, up relay KA1 coils and descending relay the normally closed 4th are touched in the upload control circuit
Upper limit travel switch SQ1 is in series between point KA2-4；In the lower line control circuit descending relay KA2 coils and it is up after
Lower bound range switch SQ2 is in series between the normally closed 4th contact KA1-4 of electrical equipment.Upper limit travel switch is touched when rolling screen door is up
Upload control circuit can be cut off during SQ1 makes DC. rolling-door machine motor M shut down, and lower bound range switch is touched when rolling screen door is descending
During SQ2, can also cut off lower line control circuit makes DC. rolling-door machine motor M shut down, and can arrive rolling screen door upstream or downstream
Position set in advance is automatically stopped.
In the present embodiment, the two ends reverse parallel connection of the up relay KA1 and descending relay KA2 coils have diode
D1、D2.Anti-parallel diodes D1, D2 play the suppression up relay KA1 of absorption and descending relay KA2 coils are reversely electronic
The effect of gesture.
In the present embodiment, the output end of the main switch K is in series with fuse FU.Circuit is shielded.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of DC. rolling-door machine circuit, including main circuit, control circuit and braking circuit；The main circuit include main switch,
Normally opened first contact and normally opened second contact, normally opened first contact of descending relay and normally opened second of up relay are touched
Point, door roller motor；The input of the main switch connects dc source both positive and negative polarity respectively；Normally opened the of the up relay
One end of one contact and normally opened second contact connects the cathode output end and cathode output end of main switch respectively, and the other end connects respectively
Connect the electrode input end and negative input of door roller motor；Touch normally opened first contact of the descending relay and normally opened second
One end of point connects the cathode output end and cathode output end of main switch respectively, and the other end connects the negative pole of door roller motor respectively
Input and electrode input end；The control circuit includes upload control circuit and lower line control circuit；
The upload control circuit includes the normally closed stop button, normally opened up button, the descending relay that are sequentially connected in series normally closed the
Four contacts and up relay coil, the two ends of the upload control circuit connect the cathode output end and negative pole of main switch respectively
Output end；The two ends of the normally opened up button are parallel with normally opened 3rd contact of up relay；
The lower line control circuit includes the normally closed stop button, normally opened descending button, the up relay that are sequentially connected in series normally closed the
Four contacts and descending relay coil, the two ends of the lower line control circuit connect the cathode output end and negative pole of main switch respectively
Output end；The two ends of the normally opened descending button are parallel with normally opened 3rd contact of descending relay；It is characterized in that：
The braking circuit includes brake magnet coil and the on-delay type time relay；The brake magnet coil is provided with the
One parallel winding and the second parallel winding, the two ends of first parallel winding connect respectively door roller motor electrode input end and
Two ends after the normally-closed contact series connection of negative input, the second parallel winding and the time relay connect door roller motor respectively
Electrode input end and negative input；The two ends of the time relay coil connect the electrode input end of door roller motor respectively
And negative input.
2. a kind of DC. rolling-door machine circuit according to claim 1, it is characterised in that：The dc source is 24V.
3. a kind of DC. rolling-door machine circuit according to claim 1, it is characterised in that：It is up in the upload control circuit
Upper limit travel switch is in series between relay coil and normally closed 4th contact of descending relay；Under in the lower line control circuit
Lower bound range switch is in series between row relay coil and normally closed 4th contact of up relay.
4. a kind of DC. rolling-door machine circuit according to claim 1, it is characterised in that：The up relay and it is descending after
The two ends reverse parallel connection of electric apparatus coil has diode.
5. a kind of DC. rolling-door machine circuit according to claim 1, it is characterised in that：The output end series connection of the main switch
There is fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720364524.8U CN206608090U (en) | 2017-04-10 | 2017-04-10 | A kind of DC. rolling-door machine circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720364524.8U CN206608090U (en) | 2017-04-10 | 2017-04-10 | A kind of DC. rolling-door machine circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608090U true CN206608090U (en) | 2017-11-03 |
Family
ID=60166891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720364524.8U Expired - Fee Related CN206608090U (en) | 2017-04-10 | 2017-04-10 | A kind of DC. rolling-door machine circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
| CN110045635A (en) * | 2018-01-17 | 2019-07-23 | 上海东冠纸业有限公司 | A kind of tipper photoelectricity positioning control system |
-
2017
- 2017-04-10 CN CN201720364524.8U patent/CN206608090U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045635A (en) * | 2018-01-17 | 2019-07-23 | 上海东冠纸业有限公司 | A kind of tipper photoelectricity positioning control system |
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
| CN108571461B (en) * | 2018-05-31 | 2023-11-21 | 河南森源电气股份有限公司 | Fan control device, fan system and frequency converter system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20180410 |