CN103036208B - A kind of highly reliable door and window lifting electromotor control device of low cost - Google Patents
A kind of highly reliable door and window lifting electromotor control device of low cost Download PDFInfo
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- CN103036208B CN103036208B CN201210518491.XA CN201210518491A CN103036208B CN 103036208 B CN103036208 B CN 103036208B CN 201210518491 A CN201210518491 A CN 201210518491A CN 103036208 B CN103036208 B CN 103036208B
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Abstract
The highly reliable door and window lifting electromotor control device of disclosure one low cost, including microprocessor, the first relay, the second relay, transformator and signal conditioning circuit, this microprocessor has door and window rising and controls end, door and window decline control end and feedback input end；This first relay has the first input side and the first outlet side, this first input side controls end with door and window rising and is connected, this second relay has the second input side and the second outlet side, this second input side controls end with door and window decline and is connected, this transformator has primary coil and secondary coil, this first common port and the second common port are connected with the two ends of door and window lifting motor respectively, this first link and the second link are all connected with one end of primary coil, this secondary coil one end ground connection, by signal conditioning circuit, feedback input end with microprocessor is connected the other end.Compared with prior art, the present invention has the advantages that to control reliability height, high-intelligentization and low cost.
Description
Technical field
The present invention relates to door and window motor control field, more specifically to a kind of highly reliable door and window lifting electromotor control device of low cost.
Background technology
At present, the control method of door and window lifting/lowering motor is generally had several as follows:
One, door and window raise/lower actuator is directly connected in the circuit of door and window lifting/lowering motor and power supply, namely the forward and reverse that the control of door and window raise/lower actuator will directly be driven door and window lifting/lowering motor by people, when door and window puts in place, this motor rotation blockage electric current is very big, now owing to stall time is uncontrollable, door and window switchs after putting in place and how long continues to turn on, with regard to stall how long, so that the resistance to current requirements in loop is significantly high.
Two, adopting the loop current of micro-resistance detection door and window lifting/lowering motor, thus identifying door and window lifting/lowering motor to be in motor rotation blockage state, being in normal operation；But, owing to motor rotation blockage electric current is difficult to demarcate, because this locked rotor current and the material of vehicle window adhesive tape, degree of aging, the power of motor, adhesive tape spring/summer/autumn/winter different temperatures under the not equal factor of frictional force have relation, so the reliability of this scheme is difficult to hold.
In view of this, the present inventor for prior art when door and window lifting/lowering motor is controlled the problems referred to above further investigation, then have this case to produce.
Summary of the invention
It is an object of the invention to provide a kind of highly reliable door and window lifting electromotor control device of low cost, it can identify the locked rotor condition of door and window lifting motor in time, and automatically cuts off the driving signal of door and window lifting motor.
In order to reach above-mentioned purpose, the solution of the present invention is:
A kind of highly reliable door and window lifting electromotor control device of low cost, wherein, including microprocessor, the first relay, the second relay, transformator and signal conditioning circuit, this microprocessor is connected with door and window direction switch and obtains its duty, and this microprocessor also has door and window rising and controls end, door and window decline control end and feedback input end；nullThis first relay has the first input side and the first outlet side，This first input side controls end with door and window rising and is connected，This first outlet side has the first common port、First power end and the first link，This second relay has the second input side and the second outlet side，This second input side controls end with door and window decline and is connected，This second outlet side has the second common port、Second source end and the second link，This transformator has primary coil and secondary coil，This first common port and the second common port are connected with the two ends of door and window lifting motor respectively，This first power end is connected with power supply respectively with second source end，This first link and the second link are all connected with one end of primary coil，The other end ground connection of primary coil，This secondary coil one end ground connection，By signal conditioning circuit, feedback input end with microprocessor is connected the other end.
Further, this signal conditioning circuit has the second current-limiting resistance, filter capacitor, commutation diode, the first current-limiting resistance and audion, this the second current-limiting resistance one end is connected with the other end of secondary coil, the other end of this second current-limiting resistance is connected with filter capacitor, the negative pole of commutation diode and the base stage of audion, the equal ground connection of emitter stage of this filter capacitor, the positive pole of commutation diode and triode, the colelctor electrode of this triode is connected with positive voltage by the first current-limiting resistance, and the colelctor electrode of this triode is also connected with the feedback input end of microprocessor.
Further, this commutation diode is FM4007, and this triode is 2SC1623.
Further, being provided with the first diode between this first common port and first link, the positive pole of this first diode and the first common port are connected, and the negative pole of this first diode and the first link are connected.
Further, being provided with the 3rd diode between this second common port and second link, the positive pole of the 3rd diode and the second common port are connected, and the negative pole of the 3rd diode and the second link are connected.
After adopting said structure, a kind of door and window lifting electromotor control device that the present invention relates to, it is adapted to the common door and window lifting motor commonly used on the market, when people press door and window direction switch to drive door and window to rise, this microprocessor can control end by door and window rising and send door and window rising control signal, now namely this first relay can make the first common port and the conducting of the first power end, control signal is not had to produce owing to the decline of this door and window controls end, this second relay will still in original state, namely the second common port and the second link are connected, now in the primary coil of this transformator loop by door and window lifting motor of connecting, to detect the electric current by door and window lifting motor, after this current signal is processed by secondary coil and signal conditioning circuit, again feed back in microprocessor.When door and window direction switch is still pressed, and when this feedback input end can't detect feedback signal, this microprocessor is then automatically stopped output door and window rising control signal.
Door and window direction switch is pressed to drive door and window to decline for people, then identical with the principle driving door and window to rise, it also still can be pressed at door and window direction switch, and when feedback input end can't detect motor rotation feedback signal, is automatically stopped output door and window decline control signal.
Compared with prior art, the present invention is without measuring locked rotor current, achieve that the accurate judgement to motor rotation blockage state, from without being affected by door and window adhesive tape etc., therefore have and control the feature that reliability is high, simultaneously because without there being other particular/special requirement, therefore the present invention also has the feature of high-intelligentization and low cost.
Accompanying drawing explanation
Fig. 1 is the physical circuit figure that the present invention relates to the highly reliable door and window lifting electromotor control device of a kind of low cost；
Fig. 2 is the schematic diagram of relation between button signal of the present invention, control signal and feedback signal.
In figure:
Control device 100
Microprocessor 1 first relay 2
First common port 21 first power end 22
First link 23 second relay 3
Second common port 31 second source end 32
Second link 33 transformator 4
Signal conditioning circuit 5
Door and window direction switch 200 door and window lifting motor 300.
Detailed description of the invention
In order to technical scheme is explained further, below by specific embodiment, the present invention will be described in detail.
As it is shown in figure 1, the highly reliable door and window lifting motor 300 of a kind of low cost that the present invention relates to controls device 100, including microprocessor the 1, first relay the 2, second relay 3, transformator 4 and signal conditioning circuit 5.
This microprocessor 1 is connected with door and window direction switch 200, thus obtaining its duty, specifically obtaining it and being in ascending fashion, drop mode or still-mode；This microprocessor 1 also has door and window rising and controls end A, door and window decline control end B and feedback input end C.
This first relay 2 has the first input side and the first outlet side, this first input side controls end A with door and window rising and is connected, this first outlet side has the first common port the 21, first power end 22 and the first link 23, and this first power end 22 is connected with power supply Power.
This second relay 3 has the second input side and the second outlet side, this second input side controls end B with door and window decline and is connected, this second outlet side has the second common port 31, second source end 32 and the second link 33, and this second source end 32 is connected with power supply Power.
This transformator 4 has primary coil and secondary coil, this first common port 21 is connected with the two ends of door and window lifting motor 300 respectively with the second common port 31, this first link 23 is all connected with one end of primary coil with the second link 33, the other end ground connection of this primary coil, this secondary coil one end ground connection, the other end is connected with the feedback input end C of microprocessor 1 by signal conditioning circuit 5.So constitute the connected mode of full-bridge between this first relay 2 and the second relay 3 and door and window lifting motor 300, no matter door and window lifting motor 300 is in rotating forward or reverses, this primary coil all connect door and window lifting motor 300 loop in.
Below the work process of the present invention is described in detail:
When people press door and window direction switch 200 to drive door and window to rise, this microprocessor 1 senses the state of door and window direction switch 200, and control end A by door and window rising and send out door and window rising control signal, now namely the first input side of this first relay 2 can sense to some extent, and the first common port 21 in the first outlet side and the first power end 22 are turned on；Not having control signal to produce owing to the decline of this door and window controls end B, this second relay 3 will still in original state, and namely the second common port 31 is connected with the second link 33.
Now, in the primary coil of this transformator 4 loop by door and window lifting motor 300 of connecting, thus the electric current that detection is by door and window lifting motor 300, this current signal will be fed back in microprocessor 1 after being processed by secondary coil and signal conditioning circuit 5 again.
When door and window direction switch 200 is still pressed, and this feedback input end C is when can't detect motor rotation feedback signal, this microprocessor 1 is then automatically stopped output door and window rising control signal, specifically refer to shown in Fig. 2, it is in order to improve the accuracy of detection, if all without feedback pulse signal being detected in continuous 100ms, then confirm as motor rotation blockage, stop controlling output.
When people press door and window direction switch 200 to drive door and window to decline, owing to it is identical with the principle driving door and window to rise, its finally also can: be still pressed at door and window direction switch 200, and when feedback input end C can't detect feedback signal, be automatically stopped output door and window decline control signal.
It should be noted that, pulse type transformer 4 selected by above-mentioned transformator 4, and it is when reality is selected, and its response frequency and electric current should be able to meet the demand of door and window lifting motor 300, concrete those skilled in the art can select according to practical situation, is not described in detail herein.
Continue referring to shown in Fig. 1, a kind of detailed description of the invention as this signal conditioning circuit 5, this signal conditioning circuit 5 has the second current-limiting resistance R2, filter capacitor C1, commutation diode D2, first current-limiting resistance R1 and audion Q1, this the second current-limiting resistance R2 one end is connected with the other end of secondary coil, the other end of this second current-limiting resistance R2 and filter capacitor C1, the negative pole of commutation diode D2 is connected with the base stage of audion Q1, this filter capacitor C1, the positive pole of commutation diode D2 and the equal ground connection of the emitter stage of audion, the colelctor electrode of this audion is connected with positive voltage by the first current-limiting resistance R1, the colelctor electrode of this audion is also connected with the feedback input end C of microprocessor 1.Specifically, this commutation diode D2 is FM4007, and this audion is 2SC1623.
It addition, be provided with the first diode D1 between this first common port 21 and first link 23, positive pole and first common port 21 of this first diode D1 are connected, and negative pole and first link 23 of this first diode D1 are connected.Being provided with the 3rd diode D3 between this second common port 31 and second link 33, positive pole and second common port 31 of the 3rd diode D3 are connected, and negative pole and second link 33 of the 3rd diode D3 are connected.Wherein, the first diode D1 and the three diode D3's is the effect played and absorb inverse electromotive force, if without this diode, the inverse electromotive force produced when motor start will without Releasing loop, for a long time then for burning relay.
The core of the present invention is in that: take full advantage of door and window lifting motor 300 properly functioning with stall time difference, namely when door and window motor rotation blockage, electric current will continue to strengthen, and so then no longer change electric current, so the inductive impulse of secondary coil also tails off and is finally wholly absent.
Compared with prior art, the present invention is without measuring locked rotor current, achieve that the accurate judgement to motor rotation blockage state, from without being affected by door and window adhesive tape etc., therefore have and control the feature that reliability is high, simultaneously because without there being other particular/special requirement, therefore the present invention also has the feature of high-intelligentization and low cost.
As a complementary design, the present invention can also add that the reliable window that rises is to level detecting apparatus, such as photoelectric sensor, thus accomplishing a liter function for window anti-pinch.
The product form of above-described embodiment and the graphic and non-limiting present invention and style, any person of an ordinary skill in the technical field is to its suitably change done or modifies, and all should be regarded as the patent category without departing from the present invention.
Claims (4)
1. the highly reliable door and window lifting electromotor control device of low cost, it is characterized in that, including microprocessor, the first relay, the second relay, transformator and signal conditioning circuit, this microprocessor is connected with door and window direction switch and obtains its duty, and this microprocessor also has door and window rising and controls end, door and window decline control end and feedback input end；nullThis first relay has the first input side and the first outlet side，This first input side controls end with door and window rising and is connected，This first outlet side has the first common port、First power end and the first link，This second relay has the second input side and the second outlet side，This second input side controls end with door and window decline and is connected，This second outlet side has the second common port、Second source end and the second link，This transformator has primary coil and secondary coil，This first common port is connected with one end of door and window lifting motor，Second common port is connected with the other end of door and window lifting motor，This first power end is connected with power supply respectively with second source end，This first link and the second link are all connected with one end of primary coil，The other end ground connection of primary coil，This secondary coil one end ground connection，By signal conditioning circuit, feedback input end with microprocessor is connected the secondary coil other end；This signal conditioning circuit has the second current-limiting resistance, filter capacitor, commutation diode, the first current-limiting resistance and audion, this the second current-limiting resistance one end is connected with the other end of secondary coil, the other end of this second current-limiting resistance is connected with filter capacitor, the negative pole of commutation diode and the base stage of audion respectively, the equal ground connection of emitter stage of this filter capacitor, the positive pole of commutation diode and audion, the colelctor electrode of this audion is connected with positive voltage by the first current-limiting resistance, and the colelctor electrode of this audion is also connected with the feedback input end of microprocessor.
2. a kind of highly reliable door and window lifting electromotor control device of low cost as claimed in claim 1, it is characterised in that this commutation diode is FM4007, and this audion is 2SC1623.
3. a kind of highly reliable door and window lifting electromotor control device of low cost as claimed in claim 1, it is characterized in that, it is provided with the first diode between this first common port and first link, the positive pole of this first diode and the first common port are connected, and the negative pole of this first diode and the first link are connected.
4. a kind of highly reliable door and window lifting electromotor control device of low cost as claimed in claim 1, it is characterized in that, it is provided with the 3rd diode between this second common port and second link, the positive pole of the 3rd diode and the second common port are connected, and the negative pole of the 3rd diode and the second link are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210518491.XA CN103036208B (en) | 2012-12-06 | 2012-12-06 | A kind of highly reliable door and window lifting electromotor control device of low cost |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210518491.XA CN103036208B (en) | 2012-12-06 | 2012-12-06 | A kind of highly reliable door and window lifting electromotor control device of low cost |
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| Publication Number | Publication Date |
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| CN103036208A CN103036208A (en) | 2013-04-10 |
| CN103036208B true CN103036208B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210518491.XA Active CN103036208B (en) | 2012-12-06 | 2012-12-06 | A kind of highly reliable door and window lifting electromotor control device of low cost |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108505876B (en) * | 2018-05-31 | 2024-05-31 | 昌辉汽车电器（黄山）股份公司 | Automobile glass lifting control circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900994A (en) * | 1987-09-29 | 1990-02-13 | Alps Electric Co., Ltd. | Protection circuit for a power window apparatus |
| CN2813835Y (en) * | 2005-08-26 | 2006-09-06 | 陈德明 | Electric shaking window machine anti nipping device for vehicle |
| CN201835667U (en) * | 2010-09-21 | 2011-05-18 | 瑞安市峰达电子电器有限公司 | Intelligent car window control system |
| CN201945832U (en) * | 2010-08-27 | 2011-08-24 | 上海汽车集团股份有限公司 | Electric-lifting driving control circuit for automobile window |
-
2012
- 2012-12-06 CN CN201210518491.XA patent/CN103036208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900994A (en) * | 1987-09-29 | 1990-02-13 | Alps Electric Co., Ltd. | Protection circuit for a power window apparatus |
| CN2813835Y (en) * | 2005-08-26 | 2006-09-06 | 陈德明 | Electric shaking window machine anti nipping device for vehicle |
| CN201945832U (en) * | 2010-08-27 | 2011-08-24 | 上海汽车集团股份有限公司 | Electric-lifting driving control circuit for automobile window |
| CN201835667U (en) * | 2010-09-21 | 2011-05-18 | 瑞安市峰达电子电器有限公司 | Intelligent car window control system |
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