CN207603962U - A kind of auto-controlling device for exciter lamp - Google Patents
A kind of auto-controlling device for exciter lamp Download PDFInfo
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- CN207603962U CN207603962U CN201721456015.4U CN201721456015U CN207603962U CN 207603962 U CN207603962 U CN 207603962U CN 201721456015 U CN201721456015 U CN 201721456015U CN 207603962 U CN207603962 U CN 207603962U
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- rectifier diode
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- resistance
- controlling device
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Abstract
The utility model discloses a kind of auto-controlling device for exciter lamp,Including opto-coupler chip TCA345A,Photo resistance RT1,Thyristor VT1,Transistor T1,Rectifier diode D1,Rectifier diode D2,Rectifier diode D3,The anode of rectifier diode D1 is connected with the firewire of alternating current,The anode of the rectifier diode D2 cathode with rectifier diode D3 respectively,One end of capacitance C1 is connected,The anode of rectifier diode D3 is connected to the ground,The other end of capacitance C1 is connected by resistance R1 with the firewire of alternating current,The one end of the firewire of alternating current also with headlamp HL1 is connected,The cathode of rectifier diode D1,The cathode of rectifier diode D2 is connected the auto-controlling device for exciter lamp of the utility model with the cathode of zener diode VD1 jointly,Based on photo resistance cooperation opto-coupler chip TCA345A,Realize automatic switch lighting lamp,Circuit is simple,Securely and reliably,It is of low cost,The sensitivity of photo resistance can be adjusted,It is easy to use,It has a good application prospect.
Description
Technical field
The utility model is related to electronic circuit technology fields, and in particular to a kind of auto-controlling device for exciter lamp.
Background technology
With the fast development of modern intelligent building, the importance that headlamp automatically controls is more and more apparent, compared with tradition
By switching value or manually control based on lighting control mode, have energy conservation and environmental protection, safety and stability, using flexible it is excellent
Point.At present, on the market, headlamp automatic control circuit, circuit is more complicated, and cost is higher, is not easy to batch and installs and uses, presses down
That has made headlamp automatically controls is widely popularized.
Utility model content
The purpose of the utility model is to overcome existing headlamp automatic control circuits on the market, and circuit is more complicated,
Cost is higher, is not easy to the problem of batch is installed and used.The auto-controlling device for exciter lamp of the utility model, based on photo resistance
Coordinate opto-coupler chip TCA345A, realize automatic switch lighting lamp, circuit is simple, securely and reliably, of low cost, can adjust light
The sensitivity of quick resistance, it is easy to use, it has a good application prospect.
In order to achieve the above object, technical solution is used by the utility model：
A kind of auto-controlling device for exciter lamp, including opto-coupler chip TCA345A, photo resistance RT1, thyristor VT1, crystal
Pipe T1, rectifier diode D1, rectifier diode D2, rectifier diode D3,
The anode of the rectifier diode D1 is connected with the firewire of alternating current, the anode of the rectifier diode D2 respectively with
The cathode of rectifier diode D3, one end of capacitance C1 are connected, and the anode of the rectifier diode D3 is connected to the ground, the electricity
The other end for holding C1 is connected by resistance R1 with the firewire of alternating current, the firewire of the alternating current also with one end phase of headlamp HL1
Connection, the cathode of the cathode of the rectifier diode D1, the cathode of rectifier diode D2 jointly with zener diode VD1 are connected
It connects, the anode of the zener diode VD1 is connected, the cathode of the zener diode VD1 also hair with transistor T1 respectively
Emitter-base bandgap grading, one end of resistance R2, the second pin of opto-coupler chip TCA345A, potentiometer RP1 one end be connected, the potentiometer
The one end of the other end of RP1 also respectively with the first pin of opto-coupler chip TCA345A, photo resistance RT1 is connected, described photosensitive
The other end of resistance RT1 is connected to the ground, and the third pin of the opto-coupler chip TCA345A is connected to the ground, the optocoupler core
The 4th pin point of capacitance C2, the opto-coupler chip TCA345A are provided between the first pin of piece TCA345A and third pin
One end not with the other end of resistance R2, the base stage of transistor T1, resistance R3 is connected, the other end and the ground phase of the resistance R3
Connection, the emitter of the transistor T1 are connected to the ground by resistance R4, and the emitter of the transistor T1, which is also powered, holds C3
It is connected with the gate pole of thyristor VT1, the other end of the thyristor VT1 is connected with the zero curve of alternating current.
Aforementioned auto-controlling device for exciter lamp is parallel with filter capacitor between the positive and negative electrode of the zener diode VD1
C4, the anode of the filter capacitor C4 are connected with the cathode of zener diode VD1, the cathode of the filter capacitor C4 and voltage stabilizing
The anode of diode VD1 is connected.
Aforementioned auto-controlling device for exciter lamp, the transistor T1 are NPN transistor.
Aforementioned auto-controlling device for exciter lamp, one end of the headlamp HL1 are also in series with switch S1.
Aforementioned auto-controlling device for exciter lamp, the thyristor VT1 are bidirectional thyristor.
Aforementioned auto-controlling device for exciter lamp, the power of the headlamp HL1 is 100W.
Aforementioned auto-controlling device for exciter lamp, series connection is fuse F1 on the firewire of the alternating current.
The beneficial effects of the utility model are：The auto-controlling device for exciter lamp of the utility model, is matched based on photo resistance
Opto-coupler chip TCA345A is closed, realizes automatic switch lighting lamp, circuit is simple, securely and reliably, of low cost, can adjust photosensitive
The sensitivity of resistance, it is easy to use, it has a good application prospect.
Description of the drawings
Fig. 1 is the circuit diagram of the auto-controlling device for exciter lamp of the utility model.
Specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, the auto-controlling device for exciter lamp of the utility model, including opto-coupler chip TCA345A, photo resistance
RT1, thyristor VT1, transistor T1, rectifier diode D1, rectifier diode D2, rectifier diode D3,
The anode of the rectifier diode D1 is connected with the firewire of alternating current, the anode of the rectifier diode D2 respectively with
The cathode of rectifier diode D3, one end of capacitance C1 are connected, and the anode of the rectifier diode D3 is connected to the ground, the electricity
The other end for holding C1 is connected by resistance R1 with the firewire of alternating current, the firewire of the alternating current also with one end phase of headlamp HL1
Connection, the cathode of the cathode of the rectifier diode D1, the cathode of rectifier diode D2 jointly with zener diode VD1 are connected
It connects, the anode of the zener diode VD1 is connected, the cathode of the zener diode VD1 also hair with transistor T1 respectively
Emitter-base bandgap grading, one end of resistance R2, the second pin of opto-coupler chip TCA345A, potentiometer RP1 one end be connected, the potentiometer
The one end of the other end of RP1 also respectively with the first pin of opto-coupler chip TCA345A, photo resistance RT1 is connected, described photosensitive
The other end of resistance RT1 is connected to the ground, and the third pin of the opto-coupler chip TCA345A is connected to the ground, the optocoupler core
The 4th pin point of capacitance C2, the opto-coupler chip TCA345A are provided between the first pin of piece TCA345A and third pin
One end not with the other end of resistance R2, the base stage of transistor T1, resistance R3 is connected, the other end and the ground phase of the resistance R3
Connection, the emitter of the transistor T1 are connected to the ground by resistance R4, and the emitter of the transistor T1, which is also powered, holds C3
It is connected with the gate pole of thyristor VT1, the other end of the thyristor VT1 is connected with the zero curve of alternating current.
Preferably, filter capacitor C4, the filter capacitor C4 are parallel between the positive and negative electrode of the zener diode VD1
Anode be connected with the cathode of zener diode VD1, the cathode of the filter capacitor C4 and the anode phase of zener diode VD1
Connection can ensure the stability of opto-coupler chip TCA345A operating voltages, the work that alternating current improves after over commutation, voltage stabilizing, filtering
Make voltage, it is reliable and stable.
Preferably, the transistor T1 is NPN transistor.
Preferably, one end of the headlamp HL1 is also in series with switch S1, can control opening for headlamp HL1 manually
It closes, normal condition lower switch S1 is to be closed.
Preferably, the thyristor VT1 is bidirectional thyristor.
Preferably, the power of the headlamp HL1 be 100W, can according to the strong and weak automatic switch lighting lamp HL1 of light,
Energy conservation and environmental protection is obtained, the purpose automatically controlled.
Preferably, series connection is fuse F1 on the firewire of the alternating current, ensures that the electric current of alternating current is excessive, burns out headlamp certainly
Each electronic component in dynamic control device.
The auto-controlling device for exciter lamp of the utility model, operation principle are as follows：When ambient light is dark, photo resistance
RT1 resistance is in high value, when second of voltage higher than opto-coupler chip TCA345A of the first pin of opto-coupler chip TCA345A is drawn
When 0.7 times of foot voltage, the 4th pin output terminal of opto-coupler chip TCA345A is also in high value, at this point, transistor T1 is led
It is logical, and form a trigger pulse in its emitter and give thyristor VT1, thyristor VT1 is connected, headlamp HL1 is powered bright
It rises；When ambient light is brighter, transistor T1 cut-offs, and the gate pole no current of thyristor VT1, circuit are not turned on, headlamp HL1
No power extinguishes.
In conclusion the auto-controlling device for exciter lamp of the utility model, coordinates opto-coupler chip based on photo resistance
TCA345A realizes automatic switch lighting lamp, and circuit is simple, securely and reliably, of low cost, can adjust the sensitive of photo resistance
Degree, it is easy to use, it has a good application prospect.
The basic principle, main features and advantages of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of auto-controlling device for exciter lamp, it is characterised in that：Including opto-coupler chip TCA345A, photo resistance RT1, brilliant lock
Pipe VT1, transistor T1, rectifier diode D1, rectifier diode D2, rectifier diode D3,
The anode of the rectifier diode D1 is connected with the firewire of alternating current, the anode of the rectifier diode D2 respectively with rectification
The cathode of diode D3, one end of capacitance C1 are connected, and the anode of the rectifier diode D3 is connected to the ground, the capacitance C1
The other end be connected by resistance R1 with the firewire of alternating current, the one end of the firewire of the alternating current also with headlamp HL1 is connected,
The cathode of the cathode of the rectifier diode D1, the cathode of rectifier diode D2 jointly with zener diode VD1 is connected, described
The anode of zener diode VD1 is connected, the cathode of the zener diode VD1 also respectively with the emitter of transistor T1, electricity
Resistance one end of R2, the second pin of opto-coupler chip TCA345A, potentiometer RP1 one end be connected, the potentiometer RP1's is another
The one end of one end also respectively with the first pin of opto-coupler chip TCA345A, photo resistance RT1 is connected, the photo resistance RT1
The other end be connected to the ground, the third pin of the opto-coupler chip TCA345A is connected to the ground, the opto-coupler chip
The 4th pin difference of capacitance C2, the opto-coupler chip TCA345A are provided between the first pin of TCA345A and third pin
It is connected with one end of the other end of resistance R2, the base stage of transistor T1, resistance R3, the other end of the resistance R3 is connected to the ground
Connect, the emitter of the transistor T1 is connected to the ground by resistance R4, the emitter of the transistor T1 be also powered hold C3 with
The gate pole of thyristor VT1 is connected, and the other end of the thyristor VT1 is connected with the zero curve of alternating current.
2. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：The zener diode VD1 just,
Filter capacitor C4 is parallel between cathode, the anode of the filter capacitor C4 is connected with the cathode of zener diode VD1, described
The cathode of filter capacitor C4 is connected with the anode of zener diode VD1.
3. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：The transistor T1 is brilliant for NPN type
Body pipe.
4. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：One end of the headlamp HL1 is also
It is in series with switch S1.
5. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：The thyristor VT1 is two-way crystalline substance
Brake tube.
6. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：The power of the headlamp HL1 is
100W。
7. auto-controlling device for exciter lamp according to claim 1, it is characterised in that：It connects on the firewire of the alternating current and is
Fuse F1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456015.4U CN207603962U (en) | 2017-11-03 | 2017-11-03 | A kind of auto-controlling device for exciter lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456015.4U CN207603962U (en) | 2017-11-03 | 2017-11-03 | A kind of auto-controlling device for exciter lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603962U true CN207603962U (en) | 2018-07-10 |
Family
ID=62757824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721456015.4U Active CN207603962U (en) | 2017-11-03 | 2017-11-03 | A kind of auto-controlling device for exciter lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603962U (en) |
-
2017
- 2017-11-03 CN CN201721456015.4U patent/CN207603962U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191205 Address after: 323000 No. 311 Tianning Industrial Zone, Liandu District, Zhejiang, Lishui Patentee after: ZHEJIANG YONGTONG SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 323606 Zhongan Road, Chongtou Village, Yunhe County, Lishui City, Zhejiang Province Patentee before: Li Meiying |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An automatic lighting control device Effective date of registration: 20230106 Granted publication date: 20180710 Pledgee: China Zheshang Bank Co.,Ltd. Lishui Branch Pledgor: ZHEJIANG YONGTONG SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2023980030307 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |