CN102692878A - Stroke control circuit and lamp controller - Google Patents
Stroke control circuit and lamp controller Download PDFInfo
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- CN102692878A CN102692878A CN201110070837XA CN201110070837A CN102692878A CN 102692878 A CN102692878 A CN 102692878A CN 201110070837X A CN201110070837X A CN 201110070837XA CN 201110070837 A CN201110070837 A CN 201110070837A CN 102692878 A CN102692878 A CN 102692878A
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Abstract
The invention is applicable to the lamp control field, and provides a stroke control circuit and a lamp controller. The stroke control circuit comprises a power supply, a processor, an optical coupler and a thyristor. The stroke control circuit also includes a sensor circuit and a stroke control switch interface. An input terminal of the sensor circuit is connected with an output terminal of the power supply. The sensor circuit is used for detecting a motion position of a lamp elevating lever and outputting a detection signal. An input terminal of the stroke control switch interface is connected with an output terminal of the sensor circuit in order, and an output terminal of the stroke control switch interface is connected with the processor. The stroke control switch interface is used for controlling and outputting a stroke control signal according to the detection signal. According to the invention, the motion position of the lamp elevating lever is detected through the sensor circuit, when the lamp elevating lever moves to a limit position, the stroke control signal is sent to the processor through the stroke control switch interface, thus the processor, the optical coupler and the thyristor execute a stop command to stop a motor from rotating, and the damage of the lamp controller caused by that wire rope is wound around a gear is avoided. The circuit has the advantages of simple structure and low cost.
Description
Technical field
The invention belongs to light fixture control field, relate in particular to a kind of trip control circuit and lamp controller.
Background technology
At present; The lifting illumination product because of its convenience, receive consumer's favor, and the accurate control of lifting illumination product has also become the key parameter of product competition, but existing light fixture elevating lever adopts manually usually and is provided with; Promptly by operating personnel through visual inspection; When the motor that rotates moved to extreme position through the light fixture elevating lever that is driven by wire rope, manual off switch stopped operating motor.
But; Because people's naked eyes are difficult to accurately judge under numerous uncertain factors such as viewing angle, viewing distance and sight obstruction; Thereby cause when the light fixture elevating lever moves to extreme position; Motor does not in time stop, and wire rope is slowly come loose and twines with gear, thereby damage lamp controller.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of trip control circuit, is intended to solve when the light fixture elevating lever move to extreme position, and motor does not stop operating and causes damaging the problem of lamp controller.
The embodiment of the invention is achieved in that a kind of trip control circuit, comprises power supply, processor and driving circuit, and said trip control circuit also comprises:
Sensor circuit, the input end of said sensor circuit is connected with the output terminal of said power supply, is used to detect the movement position of light fixture elevating lever, output detection signal;
The travel control switch interface; The input end of said travel control switch interface is connected with the output terminal of said sensor circuit; The output terminal of said travel control switch interface is connected with said processor; Be used for sending the Stroke Control signal to said processor, quit work with the control motor according to said detection signal.
Another purpose of the embodiment of the invention is to provide a kind of lamp controller that adopts above-mentioned trip control circuit.
In embodiments of the present invention, through the movement position of sensor circuit detection light fixture elevating lever, when the light fixture elevating lever moves to extreme position; Send the Stroke Control signal through the travel control switch interface to processor; Processor and driving circuit are carried out ceased and desisted order, make motor stop operating, and then avoid invar rope winding gear to cause the damage of lamp controller; This circuit structure is simple, and cost is low.
Description of drawings
The structural drawing of the trip control circuit that Fig. 1 provides for one embodiment of the invention;
The exemplary circuit structural drawing of the trip control circuit that Fig. 2 provides for one embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention detects the movement position of light fixture elevating lever through sensor circuit; When the light fixture elevating lever moves to extreme position; Send the Stroke Control signal through the travel control switch interface to processor, processor and driving circuit are carried out ceased and desisted order, make motor stop operating.
Fig. 1 illustrates the structure of the trip control circuit that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the present invention.
The trip control circuit 1 can be applied in the various lamp controllers.
As the trip control circuit 1 that one embodiment of the invention provides, comprise power supply 11, processor 14 and driving circuit 15, the trip control circuit 1 also comprises:
Travel control switch interface 13; The input end of travel control switch interface 13 is connected with the output terminal of sensor circuit 12; The output terminal of travel control switch interface 13 is connected with processor 14, is used for sending the Stroke Control signal according to detection signal to said processor, quits work with the control motor.
Below in conjunction with specific embodiment realization of the present invention is elaborated.
Fig. 2 illustrates the exemplary circuit structure of the trip control circuit that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the present invention.
As one embodiment of the invention, power supply 11 comprises transformer 111 and wave filter 112.
The output terminal of sensor circuit 12 comprises:
First output terminal, second output terminal, the 3rd output terminal and the 4th output terminal;
Erect sensing device S1, rising sensing device S2, decline sensing device S3, the sensing device S4 that falls down, resistance R 1, resistance R 2, resistance R 3 and resistance R 4;
Erecting sensing device S1 connects with resistance R 1; Its common port is first output terminal of sensor circuit 12; The other end of resistance R 1 is the input end of sensor circuit 12, erects the other end ground connection of sensing device S1, and this erects the movement position that erects that sensing device S1 is used to detect the light fixture elevating lever;
Rising sensing device S2 connects with resistance R 2; Its common port is second output terminal of sensor circuit 12; The other end of resistance R 2 is the input end of sensor circuit 12, the other end ground connection of rising sensing device S2, and this rising sensing device S2 is used to detect the upward movement position of light fixture elevating lever;
Decline sensing device S3 connects with resistance R 3; Its common port is the 3rd output terminal of sensor circuit 12; The other end of resistance R 3 is the input end of sensor circuit 12, the other end ground connection of decline sensing device S3, and this decline sensing device S3 is used to detect the descending motion position of light fixture elevating lever;
The sensing device S4 that falls down connects with resistance R 4; Its common port is the 4th output terminal of sensor circuit 12; The other end of resistance R 4 is the input end of sensor circuit 12, the other end ground connection of the sensing device S4 that falls down, and this sensing device S4 that falls down is used to detect the movement position that falls down of light fixture elevating lever.
As one embodiment of the present invention, erect sensing device S1, rising sensing device S2, decline sensing device S3 and the sensing device S4 that falls down can be travel switch or magnetoelectricity switch.
In embodiments of the present invention, alternating current at first converts into through the transformer 111 in the power supply and is direct current, and carries out for sensor circuit 12 and travel control switch interface 13 DC voltage being provided after the filtering through wave filter 112.
At this moment; The movement position of 12 pairs of light fixture elevating levers of sensor circuit detects; When the light fixture elevating lever moves to vertical extreme position, erect sensing device S1 closure, there is electric current to flow through in the resistance R 1; First output terminal of sensor circuit 12 becomes low level from high level, promptly sends to travel control switch interface 13 and erects detection signal; When the light fixture elevating lever moved to the climax extreme position, rising sensing device S2 was closed, has electric current to flow through in the resistance R 2, and second output terminal of sensor circuit 12 becomes low level from high level, promptly sent the rise detection signal to travel control switch interface 13; When the light fixture elevating lever moved to the sole extreme position, decline sensing device S3 was closed, has electric current to flow through in the resistance R 3, and the 3rd output terminal of sensor circuit 12 becomes low level from high level, promptly sent the decline detection signal to travel control switch interface 13; When the light fixture elevating lever moved to the horizontal limeit position, the sensing device S4 that falls down was closed, has electric current to flow through in the resistance R 4, and the 4th output terminal of sensor circuit 12 becomes low level from high level, promptly sent detection signal to travel control switch interface 13.
Travel control switch circuit 13 receives and erects detection signal, rise detection signal, behind the descend detection signal or the detection signal that falls down; Be converted into corresponding Stroke Control signal and send to processor 14; Processor 14 stops operating motor according to Stroke Control signal controlling optocoupler and relay automatically; In time avoid wire rope still to be rotated further and to cause wire rope absent-mindedness because of the light fixture elevating lever moves to the extreme position rear motor, winding gear causes the damage of lamp controller.
As one embodiment of the present invention, trip control circuit 1 can also comprise:
Amplifying circuit 16 is connected between travel control switch interface 13 and the processor 14, is used to amplify the Stroke Control signal, to improve the control sensitivity of the trip control circuit 1.
Amplifying circuit 16 comprises:
First input end, second input end, the 3rd input end, four-input terminal, first output terminal, second output terminal, the 3rd output terminal, the 4th output terminal, triode Q1, triode Q2, triode Q3, triode Q4, resistance R 5, resistance R 6, resistance R 7 and resistance R 8;
One end of resistance R 5 is the first input end of amplifying circuit 16, and the other end of resistance R 5 is connected with the base stage of triode Q1, and the current collection of triode Q1 is first output terminal of amplifying circuit 16 very, the grounded emitter of triode Q1;
One end of resistance R 6 is second input end of amplifying circuit 16, and the other end of resistance R 6 is connected with the base stage of triode Q2, and the current collection of triode Q2 is second output terminal of amplifying circuit 16 very, the grounded emitter of triode Q2;
One end of resistance R 7 is the 3rd input end of amplifying circuit 16, and the other end of resistance R 7 is connected with the base stage of triode Q3, and the current collection of triode Q3 is the 3rd output terminal of amplifying circuit 16 very, the grounded emitter of triode Q3;
One end of resistance R 8 is the four-input terminal of amplifying circuit 16, and the other end of resistance R 8 is connected with the base stage of triode Q4, and the current collection of triode Q4 is the 4th output terminal of amplifying circuit 16 very, the grounded emitter of triode Q4.
As one embodiment of the invention, triode Q1, triode Q2, triode Q3 and triode Q4 can be NPN type triode.
In embodiments of the present invention; When said travel control switch interface 13 converts the effective detection signal of low level corresponding high level into the Stroke Control signal inputs to amplifying circuit 16 effectively; Amplifying circuit 16 is selected the corresponding triode of conducting according to the state of Stroke Control signal; The trip control signal is amplified, export to processor 14.
As one embodiment of the invention, when the state of Stroke Control signal when erecting, by the first input end of amplifying circuit 16 through resistance R 5 control triode Q1 conductings; Realization is amplified control signal; When the state of Stroke Control signal is rising, control triode Q2 conductings by second input end of amplifying circuit 16 through resistance R 6, realize control signal is amplified; When the state of Stroke Control signal is decline;, realize control signal is amplified through resistance R 7 control triode Q3 conductings by the 3rd input end of amplifying circuit 16, when the state of Stroke Control signal when falling down; Four-input terminal by amplifying circuit 16 is controlled triode Q4 conductings through resistance R 8, realizes control signal is amplified.
Amplifying circuit 16 is selected the corresponding triode of conducting according to the state of Stroke Control signal, the trip control signal is amplified the control sensitivity that has improved trip control circuit 1.
In embodiments of the present invention, through the movement position of sensor circuit detection light fixture elevating lever, when the light fixture elevating lever moves to extreme position; Send the Stroke Control signal through the travel control switch interface to processor; Processor and driving circuit are carried out ceased and desisted order, make motor stop operating, and then avoid invar rope winding gear to cause the damage of lamp controller; Increasing amplifying circuit amplifies the Stroke Control signal; Improved the control sensitivity of trip control circuit, this circuit structure is simple, and cost is low.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a trip control circuit comprises power supply, processor and driving circuit, it is characterized in that, said trip control circuit also comprises:
Sensor circuit, the input end of said sensor circuit is connected with the output terminal of said power supply, is used to detect the movement position of light fixture elevating lever, output detection signal;
The travel control switch interface; The input end of said travel control switch interface is connected with the output terminal of said sensor circuit; The output terminal of said travel control switch interface is connected with said processor; Be used for sending the Stroke Control signal to said processor, quit work with the control motor according to said detection signal.
2. trip control circuit as claimed in claim 1 is characterized in that, the output terminal of said sensor circuit comprises:
First output terminal, second output terminal, the 3rd output terminal and the 4th output terminal;
Said sensor circuit comprises:
Erect sensing device, rising sensing device, the sensing device that descends, the sensing device that falls down, resistance R 1, resistance R 2, resistance R 3 and resistance R 4;
The said sensing device that erects is connected with resistance R 1; Its common port is first output terminal of said sensor circuit; The other end of said resistance R 1 is the input end of said sensor circuit; The said other end ground connection that erects sensing device saidly erects the movement position that erects that sensing device is used to detect the light fixture elevating lever;
Said rising sensing device is connected with resistance R 2; Its common port is second output terminal of said sensor circuit; The other end of said resistance R 2 is the input end of said sensor circuit; The other end ground connection of said rising sensing device, said rising sensing device is used to detect the upward movement position of light fixture elevating lever;
Said decline sensing device is connected with resistance R 3; Its common port is the 3rd output terminal of said sensor circuit; The other end of said resistance R 3 is the input end of said sensor circuit; The other end ground connection of said decline sensing device, said decline sensing device is used to detect the descending motion position of light fixture elevating lever;
The said sensing device that falls down is connected with resistance R 4; Its common port is the 4th output terminal of said sensor circuit; The other end of said resistance R 4 is the input end of said sensor circuit; The other end ground connection of the said sensing device that falls down, the said sensing device that falls down is used to detect the movement position that falls down of light fixture elevating lever.
3. trip control circuit as claimed in claim 2 is characterized in that, saidly erects sensing device, said rising sensing device, said decline sensing device and the said sensing device that falls down is travel switch or magnetoelectricity switch.
4. trip control circuit as claimed in claim 1 is characterized in that, said trip control circuit also comprises:
Amplifying circuit is connected between said travel control switch interface and the said processor, is used to amplify the Stroke Control signal.
5. trip control circuit as claimed in claim 4 is characterized in that, said amplifying circuit comprises:
First input end, second input end, the 3rd input end, four-input terminal, first output terminal, second output terminal, the 3rd output terminal, the 4th output terminal, triode Q1, triode Q2, triode Q3, triode Q4, resistance R 5, resistance R 6, resistance R 7 and resistance R 8;
One end of said resistance R 5 is the first input end of said amplifying circuit, and the other end of said resistance R 5 is connected with the base stage of said triode Q1, first output terminal of the very said amplifying circuit of the current collection of said triode Q1, the grounded emitter of said triode Q1;
One end of said resistance R 6 is second input end of said amplifying circuit, and the other end of said resistance R 6 is connected with the base stage of said triode Q2, second output terminal of the very said amplifying circuit of the current collection of said triode Q2, the grounded emitter of said triode Q2;
One end of said resistance R 7 is the 3rd input end of said amplifying circuit, and the other end of said resistance R 7 is connected with the base stage of said triode Q3, the 3rd output terminal of the very said amplifying circuit of the current collection of said triode Q3, the grounded emitter of said triode Q3;
One end of said resistance R 8 is the four-input terminal of said amplifying circuit, and the other end of said resistance R 8 is connected with the base stage of said triode Q4, the 4th output terminal of the very said amplifying circuit of the current collection of said triode Q4, the grounded emitter of said triode Q4.
6. trip control circuit as claimed in claim 5 is characterized in that, said triode Q1, triode Q2, triode Q3 and triode Q4 are NPN type triode.
7. a lamp controller is characterized in that, the trip control circuit of said controller is each described trip control circuit of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110070837.XA CN102692878B (en) | 2011-03-23 | 2011-03-23 | Stroke control circuit and lamp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110070837.XA CN102692878B (en) | 2011-03-23 | 2011-03-23 | Stroke control circuit and lamp controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102692878A true CN102692878A (en) | 2012-09-26 |
| CN102692878B CN102692878B (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110070837.XA Expired - Fee Related CN102692878B (en) | 2011-03-23 | 2011-03-23 | Stroke control circuit and lamp controller |
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| Country | Link |
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| CN (1) | CN102692878B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113934134A (en) * | 2021-11-02 | 2022-01-14 | 浙江大丰实业股份有限公司 | Loose and messy rope safety control circuit and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846294A (en) * | 2010-03-31 | 2010-09-29 | 南京汉德森科技股份有限公司 | Lifting street lamp post |
-
2011
- 2011-03-23 CN CN201110070837.XA patent/CN102692878B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846294A (en) * | 2010-03-31 | 2010-09-29 | 南京汉德森科技股份有限公司 | Lifting street lamp post |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113934134A (en) * | 2021-11-02 | 2022-01-14 | 浙江大丰实业股份有限公司 | Loose and messy rope safety control circuit and system |
| CN113934134B (en) * | 2021-11-02 | 2024-04-02 | 浙江大丰实业股份有限公司 | Loose and messy rope safety control circuit and system |
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| Publication number | Publication date |
|---|---|
| CN102692878B (en) | 2014-10-15 |
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Granted publication date: 20141015 Termination date: 20190323 |
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