CN206136380U - Fluorescent tube circuit - Google Patents
Fluorescent tube circuit Download PDFInfo
- Publication number
- CN206136380U CN206136380U CN201621090581.3U CN201621090581U CN206136380U CN 206136380 U CN206136380 U CN 206136380U CN 201621090581 U CN201621090581 U CN 201621090581U CN 206136380 U CN206136380 U CN 206136380U
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- circuit
- resistance
- led lamp
- output end
- sensor
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Abstract
The utility model provides a fluorescent tube circuit belongs to the power equipment field, including the LED lamp plate to and to the supply circuit of LED lamp plate power supply, still include the luminance switching circuit, and the control circuit who is connected with luminance switching circuit electricity. Sensor production through setting up in control circuit switches on or cut -off signal, and the opto -coupler subassembly that the order set up in control circuit takes place to switch on or cut for the circuit that resistance in the luminance switching circuit was located generates the not electric current of equidimension respectively under the circumstances that inserts or block, result in the LED lamp plate to switch over between bright dark state, thereby improved fluorescent tube circuit's energy -conserving effect.
Description
Technical field
The utility model belongs to field of electrical equipment, more particularly to tube circuit.
Background technology
With expanding economy, there is increasing public setting built in city or built.Working as
Under the policy of front energy-conserving and environment-protective, some communal facilitys wherein are especially in underground parking, the reducing energy consumption of lighting apparatus
It is imperative.
In existing communal facility, the common fluorescent tube for using at present controlled can only be switched between light on and off state,
Due to there is Pedestrians and vehicles to pass through often in these communal facilitys, therefore it is arranged on the common fluorescent tube in these communal facilitys all the time
Need the state for keeping Chang Liang, it is impossible to meet the requirement of energy-conserving and environment-protective.
Utility model content
In order to solve shortcoming and defect present in prior art, the utility model is provided and can improve communal facility section
The tube circuit with power handoff functionality of energy effect.
In order to reach above-mentioned technical purpose, the tube circuit that the utility model is provided includes LED lamp panel, in LED lamp panel
Feeder ear is connected with power supply circuits, and in the control end of the tube circuit brightness switching circuit is additionally provided with, and switches with brightness
The control circuit of circuit electrical connection；The input of the control circuit is connected with sensor, is provided with the output end of control circuit
Optocoupler assembly U2.
Optionally, the output end in the sensor is provided with current rectifying and wave filtering circuit.
Optionally, electric capacity C2, resistance R7, diode D3 and diode D4 are provided with the current rectifying and wave filtering circuit；Sensing
The output end of device is parallel with electric capacity C2, resistance R7 and diode D3 is provided between the output end and electric capacity C2 of sensor, in light
The input of coupling component U2 is also associated with diode D4.
Optionally, be provided with brightness switching circuit for LED lamp panel provide stabling current voltage stabilizing part U1 and with it is described
The resistance R3 of voltage stabilizing part U1 connections；
The output end of voltage stabilizing part U1 is connected with one end of resistance R4, and the other end of resistance R4 is connected with the drain electrode of metal-oxide-semiconductor Q2,
Resistance R3 and diode D80 is additionally provided between the output end and earth terminal of the voltage stabilizing part U1, the source electrode of the metal-oxide-semiconductor Q2 connects
Ground, is provided with resistance R5 between the source electrode and grid of the metal-oxide-semiconductor Q2, the input Jing resistance R6 of the voltage stabilizing part U1 with it is described
The grid of metal-oxide-semiconductor Q2 is connected to the output end of optocoupler assembly U2.
Optionally, the sensor is built-in with delay circuit.
Optionally, the metal-oxide-semiconductor Q1 for carrying out partial pressure to LED lamp panel is additionally provided with the brightness regulating circuit.
Optionally, the power supply circuits are bridge rectifier.
The beneficial effect brought of technical scheme that the utility model is provided is：
Sensor in by being arranged on control circuit produces on or off signal, and order is arranged on the light in control circuit
There is conducting or block in coupling component so that the circuit residing for resistance in brightness switching circuit divides in the case where accessing or blocking
Different size of electric current is not generated, causes LED lamp panel to switch between bright dark state, so as to improve the section of tube circuit
Can effect.
Description of the drawings
In order to be illustrated more clearly that the technical solution of the utility model, below embodiment will be described needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the tube circuit that the utility model is provided.
Specific embodiment
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
Embodiment one
The utility model provides the tube circuit with power handoff functionality, as shown in figure 1, tube circuit includes LED
Lamp plate 1, in the feeder ear of LED lamp panel 1 power supply circuits 2 are connected with, and in the control end of tube circuit brightness switching circuit is additionally provided with
3, and the control circuit 4 electrically connected with brightness switching circuit 3；
The input of control circuit 4 is connected with sensor 41, and the output end of sensor 41 is parallel with electric capacity C2, in sensor
Resistance R7 and diode D3 is provided between 41 output end and electric capacity C2, optocoupler assembly U2 is additionally provided with control circuit 4, in light
The input of coupling component U2 is also associated with diode D4.
In force, the tube circuit includes LED lamp panel 1, and to the power supply circuits 2 of the power supply of LED lamp panel 1, the power supply
Circuit 2 adopts bridge rectifier scheme, for alternating current to be converted to the direct current that can be used in LED.
In order to realize the power handoff functionality of tube circuit, brightness switching circuit 3, Yi Jiyu is provided with tube circuit
The control circuit 4 of the electrical connection of brightness switching circuit 3.Whether the input of the control circuit 4 is provided with for judging in detection range
The sensor 41 for having object to occur, in the output end of sensor 41 resistance R7 and diode D3 are provided with, and are connected in parallel on sensor
The electric capacity C2 and diode D4 of 41 output ends.
In control circuit 4, control section is coupled by optocoupler with subsequent conditioning circuit, while the output 220V exchanges of sensor 41
Signal is to LED lamp panel 1, accordingly even when fluorescent tube has exchanged when mounted installation direction, the output of sensor 41 in control circuit 4
End changes 220V ends of incoming cables into and is connected to LED lamp panel 1, as the reason that the output end of sensor 41 is similarly 220V is caused
The normal work of LED lamp panel 1, so can reduce because wrong port causes the possibility of the damage of LED lamp panel 1.
If object enters the detection range of sensor 41, trigger sensor 41 generates Continuity signal, in Continuity signal
In the presence of, the conducting of optocoupler assembly U2.If entering the detection range of sensor 41 without object, sensor 41 can generate cut-off
Signal, in the presence of pick-off signal, optocoupler assembly U2 is blocked.In order to meet the demand of the late release of actual LED lamp panel 1, pass
Delay circuit is provided with sensor 41, so as to after Continuity signal Preset Time is generated, make sensor 41 voluntarily generate pick-off signal.
Optionally, voltage stabilizing part U1, the output end of voltage stabilizing part U1 and one end phase of resistance R4 are provided with brightness switching circuit 3
Even, the other end of resistance R4 is connected with the drain electrode of metal-oxide-semiconductor Q2, and between the output end and earth terminal of voltage stabilizing part U1 resistance is additionally provided with
R3 and diode D80, the source ground of metal-oxide-semiconductor Q2 is provided with resistance R5, voltage stabilizing part U1 between the source electrode and grid of metal-oxide-semiconductor Q2
The grid of input Jing resistance R6 and metal-oxide-semiconductor Q2 be connected to the output end of optocoupler assembly U2.
In force, the voltage stabilizing part U1 in brightness switching circuit 3 together constitutes a constant current with resistance R3, resistance R4
Point.According to the signal that sensor 41 in control circuit 4 is exported in varied situations so that optocoupler assembly U2 can be on or cut
State only.
When optocoupler assembly U2 is in the conduction state, at the circuit in brightness switching circuit 3 in the middle of metal-oxide-semiconductor Q2 grids and R4
In connected state, now the electric current in voltage stabilizing part U1 is the electric current for flowing through resistance R3 and resistance R4, in this condition, flows into LED
Comparatively the electric current of lamp plate 1 is high current, and now LED lamp panel 1 is in highlighted state.
When optocoupler assembly U2 is in cut-off state, at the circuit in brightness switching circuit 3 in the middle of metal-oxide-semiconductor Q2 grids and R4
In off-state, now the electric current in voltage stabilizing part U1 is only the electric current for flowing through resistance R3.Relative to previous state, due to flowing into
The electric current of LED lamp panel 1 is obviously reduced so that the luminance-reduction of LED, and now LED lamp panel 1 is in dark state.
Optionally, include that the LED of predetermined number, the LED of predetermined number are serially connected in LED lamp panel 1.
In force, in order to strengthen the overall brightness of LED lamp panel 1, the LED of multiple series connection is provided with luminous plaque.
The utility model provides the tube circuit with power handoff functionality, including LED lamp panel, and to LED lamp panel
The power supply circuits of power supply, also including brightness switching circuit, and the control circuit electrically connected with brightness switching circuit.By arranging
Sensor in control circuit produces on or off signal, order be arranged on the optocoupler assembly in control circuit occur conducting or
Block so that the circuit residing for resistance in brightness switching circuit generates respectively different size of in the case where accessing or blocking
Electric current, causes LED lamp panel to switch between bright dark state, so as to improve the energy-saving effect of tube circuit.
Each sequence number in above-described embodiment is for illustration only, does not represent the elder generation during the assembling or use of each part
Afterwards sequentially.
Embodiment of the present utility model is the foregoing is only, it is all in the utility model not to limit the utility model
Spirit and principle within, any modification, equivalent substitution and improvements made etc. should be included in protection model of the present utility model
Within enclosing.
Claims (7)
1. tube circuit, the tube circuit includes LED lamp panel, is connected with power supply circuits in the feeder ear of LED lamp panel, its feature
It is to be additionally provided with brightness switching circuit, and the control electrically connected with brightness switching circuit in the control end of the tube circuit
Circuit；The input of the control circuit is connected with sensor, and in the output end of control circuit optocoupler assembly U2 is provided with.
2. tube circuit according to claim 1, it is characterised in that be provided with rectifying and wave-filtering in the output end of the sensor
Circuit.
3. tube circuit according to claim 2, it is characterised in that be provided with the current rectifying and wave filtering circuit electric capacity C2,
Resistance R7, diode D3 and diode D4；The output end of sensor is parallel with electric capacity C2, in output end and the electric capacity C2 of sensor
Between be provided with resistance R7 and diode D3, be also associated with diode D4 in the input of optocoupler assembly U2.
4. tube circuit according to claim 1, it is characterised in that be provided with brightness switching circuit and carried for LED lamp panel
Voltage stabilizing part U1 for the stabling current and resistance R3 being connected with the voltage stabilizing part U1；
The output end of voltage stabilizing part U1 is connected with one end of resistance R4, and the other end of resistance R4 is connected with the drain electrode of metal-oxide-semiconductor Q2, in institute
It is additionally provided with resistance R3 and diode D80 between the output end and earth terminal of stating voltage stabilizing part U1, the source ground of the metal-oxide-semiconductor Q2,
Resistance R5, the input Jing resistance R6 and MOS of the voltage stabilizing part U1 are provided between the source electrode and grid of the metal-oxide-semiconductor Q2
The grid of pipe Q2 is connected to the output end of optocoupler assembly U2.
5. tube circuit according to claim 1, it is characterised in that the sensor is built-in with delay circuit.
6. tube circuit according to claim 1, it is characterised in that be additionally provided with for right in the brightness regulating circuit
LED lamp panel carries out the metal-oxide-semiconductor Q1 of partial pressure.
7. tube circuit according to claim 1, it is characterised in that the power supply circuits are bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090581.3U CN206136380U (en) | 2016-09-29 | 2016-09-29 | Fluorescent tube circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090581.3U CN206136380U (en) | 2016-09-29 | 2016-09-29 | Fluorescent tube circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206136380U true CN206136380U (en) | 2017-04-26 |
Family
ID=58570816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090581.3U Active CN206136380U (en) | 2016-09-29 | 2016-09-29 | Fluorescent tube circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206136380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455206A (en) * | 2016-09-29 | 2017-02-22 | 普天智能照明研究院有限公司 | Control circuit, lamp tube circuit and power adjustment method |
-
2016
- 2016-09-29 CN CN201621090581.3U patent/CN206136380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455206A (en) * | 2016-09-29 | 2017-02-22 | 普天智能照明研究院有限公司 | Control circuit, lamp tube circuit and power adjustment method |
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| GR01 | Patent grant |