CN102082531B - Device and method for controlling stopping and descending of direct-current motor - Google Patents
Device and method for controlling stopping and descending of direct-current motor Download PDFInfo
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- CN102082531B CN102082531B CN 200910112918 CN200910112918A CN102082531B CN 102082531 B CN102082531 B CN 102082531B CN 200910112918 CN200910112918 CN 200910112918 CN 200910112918 A CN200910112918 A CN 200910112918A CN 102082531 B CN102082531 B CN 102082531B
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Abstract
The invention discloses a device and method for controlling the stopping and descending of a direct-current motor. In the invention, a controlled voltage and a rated voltage are respectively connected with the direct-current motor by a voltage output switching circuit; the direct-current motor is connected with a voltage detection circuit, a voltage signal feedback device and a controllable power supply output circuit in sequence; and a controllable power supply outputs the controlled voltage. Compared with the prior art, the method for controlling the stopping and descending of the motor disclosed by the invention has the advantages that control on the descending speed of an electric roller shutter door can be realized, and the potential safety hazard when a smoke-blocking vertical wall and the electric roller shutter door descend is eliminated.
Description
Technical field
The present invention relates to drive the direct current machine of smoke-proof pendant wall, electric rolling door up-downgoing, particularly a kind ofly make that smoke-proof pendant wall is automatically controlled and stop (braking) and the electric rolling door downstream rate can be controlled and DC machine control device and the method for speed governing.
Background technology
According to the requirement of smoke-proof pendant wall industry standards of public safety (GA533-2005) control mode, that is: when smoke alarm or system cut-off, smoke-proof pendant wall can drop to retaining cigarette service position automatically.Smoke-proof pendant wall product braking in the market all adopts machinery to add automatically controlled brake modes, namely provides electric weight that braking mechanism is broken away from by storage battery when system cut-off, allows smoke-proof pendant wall automatically or by storage battery power supply smoke-proof pendant wall is descended.This mode of braking is because use storage battery as stand-by power supply and use mechanical brake, when the storage battery electric energy exhausts or during the mechanical brake mechanism-trouble, smoke-proof pendant wall can not drop to retaining cigarette service position automatically in the time of will causing fire alarm, so this mode of braking exists defective and potential faults.
The electric rolling door control system that is driven by direct current machine in the market, the direction of rotation of motor and the rolling screen door direction of motion are in the same way, because the door-plate of rolling screen door is subjected to the influence of acceleration of gravity when descending, the rotation of its gravitional force by rotating shaft is converted into electric energy and offers motor, this moment, motor just was equivalent to generator, the voltage at its two ends increases sharply, a body downstream rate is accelerated, noise increases, and the downstream rate of rolling screen door is uncontrollable, very easily the person is constituted a threat to, have potential safety hazard.
Summary of the invention
At the deficiencies in the prior art part, the invention provides a kind of direct current machine stops and descending control device and control method thereof, it allows smoke-proof pendant wall stop for DC motor provides the mode of reverse voltage, electric rolling door is at the uniform velocity descended and downstream rate controlled, get rid of smoke-proof pendant wall and the electric rolling door potential safety hazard when descending.
For achieving the above object, technical solution of the present invention is:
A kind of direct current machine stops and descending control device, it is characterized in that: a controlled voltage is connected direct current machine through a voltage output switching circuit respectively with a rated voltage, this direct current machine connects an electric moter voltage testing circuit, a voltage signal feedback device and a controllable electric power output circuit, the output-controlled voltage of this controllable electric power in regular turn.
Described voltage output switching circuit is by relay K 1, and the common port of K2 is connected to the motor two ends respectively; The A end of the normally closed terminating diode D2 of relay K 1, the A end of the normally closed terminating diode D1 of relay K 2, the K of diode D1, D2 terminates at and inserts power cathode together; Relay K 1, the be connected together common port of cut-in relay K3 of the Chang Kaiduan of K2; The normal-closed end of relay K 3, Chang Kaiduan accept to control voltage input and rated voltage input respectively; The control coil two ends of relay K 1 connect A, the K end of diode D3 respectively, and the K end of diode D3 connects positive supply, the C utmost point of the A termination triode Q1 of diode D3 again; The control coil two ends of relay K 2 connect A, the K end of diode D4 respectively, and the K end of diode D4 connects positive supply, the C utmost point of the A termination triode Q2 of diode D4 again; The control coil two ends of relay K 3 connect A, the K end of diode D5 respectively, and the K end of diode D5 connects positive supply, the C utmost point of the A termination triode Q3 of diode D5 again; The E utmost point ground connection of triode Q1, Q2, Q3; The one termination upward signal input of one up resistance R 1, the B utmost point of another termination triode Q1; One descending resistance R 2 termination downstream signal input, the B utmost point of another termination triode Q2; One switch resistance R 3 termination switching signal input, the B utmost point of another termination triode Q3.
A kind of direct current machine stops and descending control method, be characterised in that: when needs smoke-proof pendant wall and electric rolling door stop, for direct current machine provides the reverse voltage opposite with descending direction of rotation, the size of its magnitude of voltage just can stop direct current machine to rotate, thereby realizes that motor stops; When downstream rate permissible variation value is big, adopt the rated voltage power supply; When surpassing certain speed, descending acceleration by automatic change-over, realizes the Electrically operated gate uniform descending in the motor coil loop for the motor provider seals in to voltage and with a resistance; For downstream rate permissible variation value hour, adopt the controlled voltage power supply, monitor the motor coil both end voltage in real time and provide one to feed back signal to controlled voltage and produce circuit control output voltage, the magnitude of voltage when making the motor both end voltage maintain normal speed.
The usefulness of technique scheme is:
The present invention has abandoned mechanical automatically controlled brake modes, the control mode of the electric rolling door that the employing direct current machine drives of adding in the prior art.As mentioned above, when needs are exported to the up operating voltage of motor, export high level simultaneously, triode Q1, Q3 conducting by upward signal and switching signal that control circuit comes, and then the energising of relay K 1, K3 control coil, the common port of two relay K 1, K3 and Chang Kaiduan closure.Rated voltage connects power cathode through relay K 1, motor, relay K 2, diode D1 in regular turn by relay K 3 outputs, makes motor up.
When needs are exported to motor downlink working voltage, by the downstream signal output high level that control circuit comes, triode Q2 conducting, and then the energising of relay K 2 control coils, the common port of relay K 2 and Chang Kaiduan closure.Controlled voltage connects power cathode through relay K 2, motor, relay K 1, diode D2 in regular turn by relay K 3 outputs, makes motor up.The descending employing of motor is supplied with its reverse voltage mode and is realized uniform descending (normal direct current machine downstream rate can be accelerated, and the speed of speed when up).
The speed of speed when realizing that motor is descending when up equates (allowing certain deviation), and the absolute value of voltage in the time of then must allowing motor up and descending equates.Thereby we can realize that door body downstream rate equates with speed uplink by the output of the voltage-regulation controlled voltage at monitoring motor two ends in real time.Wherein the control of controlled voltage can be taked following method: when one, big for downstream rate permissible variation value, the power supply of employing normal voltage, when descending acceleration surpasses certain speed, by switch (relay or semiconductor electronic switch) resistance is sealed in realization deceleration in the motor coil loop, thereby make whole door body up-downgoing speed difference little; Two, for downstream rate permissible variation value hour, the power supply of employing controlled voltage, monitor the motor coil both end voltage in real time and provide one to feed back signal to controlled voltage generation circuit control output voltage, magnitude of voltage when making the motor both end voltage maintain normal speed, thereby the unanimity of assurance up-downgoing speed; Three, when needs output allows the voltage that motor stops, by the upward signal output high level that control circuit comes, triode Q1 conducting, and then the energising of relay K 1 control coil, the common port of relay K 1 and Chang Kaiduan closure.Controlled voltage connects power cathode through relay K 1, motor, relay K 2, diode D1 in regular turn by relay K 3 outputs, and motor is stopped.Motor stops to adopt electric brake to stop, and supplies with up power of motor to offset load pulling motor power down.
Description of drawings
Fig. 1 is fundamental diagram of the present invention;
Fig. 2 is the circuit diagram of voltage output switching circuit of the present invention.
Embodiment
Now by reference to the accompanying drawings with the explanation the present invention.
A kind of direct current machine as shown in Figure 1 stops and descending control device, it is connected direct current machine B1 through a voltage output switching circuit by a controlled voltage respectively with a rated voltage, this direct current machine B1 connects an electric moter voltage testing circuit, a voltage signal feedback device and a controllable electric power output circuit, the output-controlled voltage of this controllable electric power in regular turn.
As shown in Figure 2, described voltage output switching circuit is by relay K 1, and the common port of K2 is connected to the motor two ends respectively; The A end of the normally closed terminating diode D2 of relay K 1, the A end of the normally closed terminating diode D1 of relay K 2, the K of diode D1, D2 terminates at and inserts power cathode together; Two diode D1, D2 are in order to prevent under powering-off state because the normally closed point of motor by relay K 1, K2 connects, the door body can't descending (freely falling body) arrange when light.
Relay K 1, the be connected together common port of cut-in relay K3 of the Chang Kaiduan of K2; The normal-closed end of relay K 3, Chang Kaiduan accept to control voltage input and rated voltage input respectively; The control coil two ends of relay K 1 connect A, the K end of diode D3 respectively, and the K end of diode D3 connects positive supply, the C utmost point of the A termination triode Q1 of diode D3 again; The control coil two ends of relay K 2 connect A, the K end of diode D4 respectively, and the K end of diode D4 connects positive supply, the C utmost point of the A termination triode Q2 of diode D4 again; The control coil two ends of relay K 3 connect A, the K end of diode D5 respectively, and the K end of diode D5 connects positive supply, the C utmost point of the A termination triode Q3 of diode D5 again; The E utmost point ground connection of triode Q1, Q2, Q3; The one termination upward signal input of one up resistance R 1, the B utmost point of another termination triode Q1; One descending resistance R 2 termination downstream signal input, the B utmost point of another termination triode Q2; One switch resistance R 3 termination switching signal input, the B utmost point of another termination triode Q3.
The speed of speed when realizing that motor is descending when up equates (allowing certain deviation), and the absolute value of voltage in the time of then must allowing motor up and descending equates.Thereby we can realize that door body downstream rate equates with speed uplink by the output of the voltage-regulation controlled voltage at monitoring motor two ends in real time.Wherein the control of controlled voltage can be taked following method: when one, big for downstream rate permissible variation value, the power supply of employing rated voltage, when descending acceleration surpasses certain speed, by switch (relay or semiconductor electronic switch) resistance is sealed in realization deceleration in the motor coil loop, thereby make whole door body up-downgoing speed difference little; Two, for downstream rate permissible variation value hour, the power supply of employing controlled voltage, monitor the motor coil both end voltage in real time and provide one to feed back signal to controlled voltage generation circuit control output voltage, magnitude of voltage when making the motor both end voltage maintain normal speed, thereby the unanimity of assurance up-downgoing speed; Three, when needs smoke-proof pendant wall and electric rolling door stop, for direct current machine provides the reverse voltage opposite with descending direction of rotation, the size of its magnitude of voltage just can stop direct current machine to rotate, thereby realizes that motor stops.As shown in Figure 2, when needs output allows the voltage that motor stops, by the upward signal output high level that control circuit comes, triode Q1 conducting, and then the energising of relay K 1 control coil, the common port of relay K 1 and Chang Kaiduan closure.Controlled voltage connects power cathode through relay K 1, motor, relay K 2, diode D1 in regular turn by relay K 3 outputs, and motor is stopped.Motor stops to adopt electric brake to stop, and supplies with up power of motor to offset load pulling motor power down.
Comprised that as mentioned above the relay among Fig. 2, diode change all replaceable one-tenth electronic switch forms such as (semiconductor device) into, it all belongs to the application category of this invention.
Claims (2)
1. a direct current machine stops and descending control device, it is characterized in that: a controlled voltage is connected direct current machine through a voltage output switching circuit respectively with a rated voltage, this direct current machine connects an electric moter voltage testing circuit, a voltage signal feedback device and a controllable electric power output circuit, the output-controlled voltage of this controllable electric power in regular turn; Described voltage output switching circuit is by relay K 1, and the common port of K2 is connected to the motor two ends respectively; The A end of the normally closed terminating diode D2 of relay K 1, the A end of the normally closed terminating diode D1 of relay K 2, the K of diode D1, D2 terminates at and inserts power cathode together; Relay K 1, the be connected together common port of cut-in relay K3 of the Chang Kaiduan of K2; The normal-closed end of relay K 3, Chang Kaiduan accept to control voltage input and rated voltage input respectively; The control coil two ends of relay K 1 connect A, the K end of diode D3 respectively, and the K end of diode D3 connects positive supply, the C utmost point of the A termination triode Q1 of diode D3 again; The control coil two ends of relay K 2 connect A, the K end of diode D4 respectively, and the K end of diode D4 connects positive supply, the C utmost point of the A termination triode Q2 of diode D4 again; The control coil two ends of relay K 3 connect A, the K end of diode D5 respectively, and the K end of diode D5 connects positive supply, the C utmost point of the A termination triode Q3 of diode D5 again; The E utmost point ground connection of triode Q1, Q2, Q3; The one termination upward signal input of one up resistance R 1, the B utmost point of another termination triode Q1; One descending resistance R 2 termination downstream signal input, the B utmost point of another termination triode Q2; One switch resistance R 3 termination switching signal input, the B utmost point of another termination triode Q3.
2. a direct current machine stops and descending control method, be characterised in that: when needs smoke-proof pendant wall and electric rolling door stop, for direct current machine provides the reverse voltage opposite with descending direction of rotation, the size of its magnitude of voltage just can stop direct current machine to rotate, thereby realizes that motor stops; When downstream rate permissible variation value is big, adopt the rated voltage power supply; When descending acceleration surpasses certain speed, by switch one resistance is sealed in realization deceleration in the motor coil loop, thereby make whole door body up-downgoing speed difference little; For downstream rate permissible variation value hour, adopt the controlled voltage power supply, monitor the motor coil both end voltage in real time and provide one to feed back signal to controlled voltage and produce circuit control output voltage, the magnitude of voltage when making the motor both end voltage maintain normal speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910112918 CN102082531B (en) | 2009-11-30 | 2009-11-30 | Device and method for controlling stopping and descending of direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910112918 CN102082531B (en) | 2009-11-30 | 2009-11-30 | Device and method for controlling stopping and descending of direct-current motor |
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| Publication Number | Publication Date |
|---|---|
| CN102082531A CN102082531A (en) | 2011-06-01 |
| CN102082531B true CN102082531B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910112918 Expired - Fee Related CN102082531B (en) | 2009-11-30 | 2009-11-30 | Device and method for controlling stopping and descending of direct-current motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206860U (en) * | 1987-04-24 | 1988-07-06 | 王敬波 | Indicator for leakage of electricity |
| CN1595786A (en) * | 2003-09-08 | 2005-03-16 | 矢崎总业株式会社 | Electric windows driving apparatus |
| CN201232519Y (en) * | 2008-06-27 | 2009-05-06 | 刘王雍杰 | Dc generator control device for uniform speed moving downwards for roller shutter |
| CN201611863U (en) * | 2009-11-30 | 2010-10-20 | 漳州市麒麟电子有限公司 | Control device for stopping and lowering direct current motor |
-
2009
- 2009-11-30 CN CN 200910112918 patent/CN102082531B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206860U (en) * | 1987-04-24 | 1988-07-06 | 王敬波 | Indicator for leakage of electricity |
| CN1595786A (en) * | 2003-09-08 | 2005-03-16 | 矢崎总业株式会社 | Electric windows driving apparatus |
| CN201232519Y (en) * | 2008-06-27 | 2009-05-06 | 刘王雍杰 | Dc generator control device for uniform speed moving downwards for roller shutter |
| CN201611863U (en) * | 2009-11-30 | 2010-10-20 | 漳州市麒麟电子有限公司 | Control device for stopping and lowering direct current motor |
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| Publication number | Publication date |
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| CN102082531A (en) | 2011-06-01 |
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Owner name: FUJIAN ANLIN INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHANGZHOU CITY QILIN ELECTRONIC CO., LTD. |
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Address after: 363900 Changtai County, Zhangzhou City, Wuan Province Town Industrial Park Patentee after: Fujian Anlin Intelligent Technology Co., Ltd. Address before: 363900 Changtai County, Zhangzhou City, Wuan Province Town Industrial Park Patentee before: Zhangzhou City Qilin Electronic Co., Ltd. |
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Granted publication date: 20130821 Termination date: 20181130 |
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