CN201878371U - Human body induction dimming system and human body induction dimming lamp - Google Patents

Abstract

A human body induction dimming system, comprising: the human body induction dimming control device comprises a human body induction dimming control device and at least one dimmable electronic ballast device, wherein a power input end of the dimmable electronic ballast device is electrically connected with an external power supply, a power output end of the dimmable electronic ballast device is electrically connected with a power input end of the human body induction dimming control device, and a control signal output end of the human body induction dimming control device is electrically connected with a control signal input end of the dimmable electronic ballast device. The utility model discloses a human response dimming system's the electronic ballast device that adjusts luminance through can adjusting luminance provides the power for human response dimming control device, need not to provide the circuit in addition and provide the power for human response dimming control device like prior art. Therefore, the utility model discloses a human response dimming system has simple structure, compact structure, advantage with low costs. The utility model also discloses a human response dimming lamp.

Description

Human body induction dimming system and human body induction dimming lamp

technical field

The utility model relates to the field of lighting equipment, in particular to a human body induction dimming system and a human body induction dimming lamp.

Background technique

At present, with the increasing shortage of energy, it has become the consensus of the whole society to develop energy-saving and environment-friendly products. In order to achieve the purpose of energy saving, the human body induction dimming system has been widely used in lamps, especially in public areas such as corridors and stairs. When the ambient brightness is low: if someone is active, the lamp will be automatically turned on to provide lighting for people. ; If there is no one, the light will be automatically turned off, which will play a certain role in energy saving while providing lighting for people.

The dimming control device of the existing human body induction dimming system needs low-voltage DC power supply for power supply. Since the mains power is 220V AC power supply, the existing human body induction dimming system needs to set up a special circuit for the dimming control device. power supply, so the human body induction dimming system in the prior art has the disadvantages of complex structure and high cost.

Utility model content

The purpose of the utility model is to avoid the deficiencies in the prior art and provide a human body induction dimming system and a human body induction dimming lamp with simple structure, compactness and low cost.

The purpose of this utility model is achieved through the following technical measures:

The utility model discloses a human body induction dimming system, comprising: a human body induction dimming control device and at least one adjustable electronic ballast device, the power supply input end of the adjustable light electronic ballast device is electrically connected to the power supply, The power output end of the dimmable electronic ballast is electrically connected to the power input end of the human body induction dimming control device, and the control signal output end of the human body induction dimming control device is connected to the adjustable electronic ballast. The control signal input terminal of the streaming device is electrically connected.

Preferably, the human body induction dimming system also includes a power conversion unit, the power input end of the power conversion unit is electrically connected to the power supply, and the power output end of the power conversion unit is connected to the adjustable electronic ballast device. The power input terminal is electrically connected.

Preferably, the human body induction dimming control device includes a human body induction unit, a first dimming control unit, and a first control and power interface unit; the adjustable electronic ballast device includes a second control and power interface unit, a second The dimming control unit and the driving and dimming unit, wherein the human body induction signal output end of the human body sensing unit is electrically connected to the human body induction signal input end of the first dimming control unit, and the first dimming control unit The control signal output end of the first control and power interface unit is electrically connected to the control signal input end of the first control and power interface unit, and the power output end of the first control and power interface unit is respectively connected to the power input end of the first dimming control unit. It is electrically connected to the power input end of the human body induction unit, the power input end of the first control and power interface unit is electrically connected to the power output end of the second control and power interface unit, and the first control and power supply The control signal output end of the interface unit is electrically connected to the control signal input end of the second control and power interface unit, and the control signal output end of the second control and power interface unit is connected to the control signal of the second dimming control unit. The signal input end is electrically connected, and the control signal output end of the second dimming control unit is electrically connected to the control signal input end of the driving and dimming unit.

Preferably, the human body induction dimming control device further includes an ambient brightness detection unit and an ambient brightness threshold value setting unit, the ambient brightness signal output terminal of the ambient brightness detection unit is connected to the ambient brightness of the first dimming control unit. The brightness signal input end is electrically connected, the brightness threshold output end of the ambient brightness threshold setting unit is electrically connected to the brightness threshold input end of the first dimming control unit, and the ambient brightness detection unit The power input end of the first control and power interface unit is electrically connected to the power output end of the first control and power interface unit, and the power input end of the ambient brightness threshold setting unit is electrically connected to the power output end of the first control and power interface unit. connect.

Preferably, the human body induction dimming control device further includes a delay time setting unit, the delay time setting signal output terminal of the delay time setting unit is connected to the delay time setting signal input terminal of the first dimming control unit The terminals are electrically connected, and the power input terminal of the delay time setting unit is electrically connected with the power output terminal of the first control and power interface unit.

Preferably, the second dimming control unit further includes an original output state feedback unit, the feedback signal output end of the original output state feedback unit is electrically connected to the feedback signal input end of the second control and power interface unit, so that The feedback signal output end of the second control and power interface unit is electrically connected to the feedback signal input end of the first control and power interface unit, and the feedback signal output end of the first control and power interface unit is connected to the first control and power interface unit. The feedback signal input end of the dimming control unit is electrically connected.

Preferably, the above-mentioned human body sensing unit is a human body sensing unit that uses infrared sensing technology to sense whether there is movement of a human body.

Preferably, the ambient brightness detection unit is an ambient brightness detection unit that detects ambient brightness using ambient light sensing technology.

The utility model also discloses an induction dimming lamp, which comprises the above-mentioned human body induction dimming system.

Beneficial effects of the utility model: The human body induction dimming system of the utility model and the power output end of the adjustable electronic ballast device of the induction dimming lamp are electrically connected with the power input end of the human body induction dimming control device, through the adjustable The optoelectronic ballast device provides power for the human body induction dimming control device, and there is no need to provide an additional circuit to provide power for the human body induction dimming control device as in the prior art. Therefore, the human body induction dimming system and the induction dimming lamp of the present invention have the advantages of simple structure, compactness and low cost.

Description of drawings

The utility model is further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present utility model.

Fig. 1 is a circuit principle block diagram of the first embodiment of a human body induction dimming system of the present invention;

Fig. 2 is a circuit principle block diagram of a second embodiment of a human body induction dimming system of the present invention;

Fig. 3 is a circuit diagram of a human body induction dimming control device of an embodiment of a human body induction dimming system of the present invention;

Fig. 4 is a circuit diagram of a dimmable electronic ballast of an embodiment of a human body induction dimming system of the present invention;

5 is a circuit diagram of the connection between the first control and power interface unit and the second control and power interface unit of an embodiment of the human body induction dimming system of the present invention.

Detailed ways

The utility model is further described in conjunction with following embodiment and accompanying drawing:

A human body induction dimming system disclosed in the utility model, as shown in FIG. The power input end of the adjustable electronic ballast device 20 is electrically connected to the power supply, the power output end of the adjustable electronic ballast device 20 is electrically connected to the power input end of the human body induction dimming control device 10, and the human body induction dimming control device 10 The control signal output end is electrically connected to the control signal input end of the dimmable electronic ballast device 20 .

The human body induction dimming control device 10 of the utility model is used to sense whether someone passes by in a certain area, and then send a dimming control signal to the dimmable electronic ballast device 20 according to the sensing signal, and control the dimmable electronic ballast device 20 to work .

The dimmable electronic ballast device 20 of the utility model controls the work of the ballast according to the dimming control signal of the human body induction dimming control device 10, such as switch and brightness. At the same time, the dimmable electronic ballast device 20 also provides working power for the human body induction dimming control device 10 .

There can be one or more than one dimmable electronic ballast device 20 , that is, one human body induction dimming control device 10 can control multiple dimmable electronic ballast devices 20 at the same time.

Since the power output end of the dimmable electronic ballast device 20 is electrically connected to the power input end of the human body induction dimming control device 10, that is, the dimmable electronic ballast device 20 provides power for the human body induction dimming control device 10, without As in the prior art, an additional circuit needs to be provided to provide power for the human body induction dimming control device 10 . Therefore, the human body induction dimming system of the present invention has the advantages of simple structure, compact structure and low cost.

Preferably, as shown in FIG. 2 , the human body induction dimming system further includes a power conversion unit 40, the power input end of the power conversion unit 40 is electrically connected to the AC power supply, and the power output end of the power conversion unit 40 is connected to the The power input end of the adjustable electronic ballast device 20 is electrically connected. The power conversion unit 40 is a power conversion unit 40 that converts AC power into DC power.

Preferably, the human body induction dimming control device 10 includes a human body induction unit 11, a first dimming control unit 12, and a first control and power interface unit 13; the dimmable electronic ballast device 20 includes a second control and power interface unit 21 , a second dimming control unit 22 and a driving and dimming unit 23 .

Wherein, the human body induction signal output end of the human body sensing unit 11 is electrically connected to the human body induction signal input end of the first dimming control unit 12, and the control signal output end of the first dimming control unit 12 is connected to the first dimming control unit 12. The control signal input end of the first control and power interface unit 13 is electrically connected, and the power output end of the first control and power interface unit 13 is respectively connected to the power input end of the first dimming control unit 12 and the human body sensor. The power input end of the unit 11 is electrically connected, the power input end of the first control and power interface unit 13 is electrically connected to the power output end of the second control and power interface unit 21, and the first control and power interface unit The control signal output end of 13 is electrically connected to the control signal input end of the second control and power interface unit 21, and the control signal output end of the second control and power interface unit 21 is connected to the second dimming control unit 22 The control signal input end of the second dimming control unit 22 is electrically connected to the control signal input end of the driving and dimming unit 23 .

The human body sensing unit 11 is used to sense whether there is human body movement in a certain area, and send the sensing signal to the first dimming control unit 12 . Preferably, the human body sensing unit 11 is a human body sensing unit 11 that uses infrared sensing technology to sense human body signals.

The first dimming control unit 12 is used to generate various dimming control signals according to various input signals such as human body sensing signals of the human body sensing unit 11 , and send the dimming control signals to the first control and power interface unit 13 .

The first control and power interface unit 13 is used to transmit the dimming control signal of the first dimming control unit 12 to the second control and power interface unit 21 and control the second control and power interface unit The current output by 21 is rectified, stabilized and lowered, and then transmitted to the human body sensing unit 11 and the first dimming control unit 12 .

The second control and power interface unit 21 is used to receive the dimming control signal from the first control and power interface unit 13 and transmit the dimming control signal to the second dimming control unit 22, while receiving the first dimming control signal. The power signal of the second dimming control unit 22 and provide power to the first control and power interface unit 13 .

The second dimming control unit 22 is configured to send a dimming control signal to the driving and dimming unit 23 according to the dimming control signal sent by the second control and power interface unit 21 . The driving and dimming unit 23 is used to drive and control the lamps to work according to the control information of the second control unit.

Preferably, as shown in FIG. 2 , the human body induction dimming control device 10 also includes an ambient brightness detection unit 14 and an ambient brightness threshold setting unit 15, the ambient brightness signal output terminal of the ambient brightness detection unit 14 is connected to The ambient brightness signal input terminal of the first dimming control unit 12 is electrically connected, and the brightness threshold output terminal of the ambient brightness threshold setting unit 15 is connected to the brightness threshold of the first dimming control unit 12. The value input end is electrically connected, and the power input end of the ambient brightness detection unit is electrically connected to the power output end of the first control and power interface unit 13, and the power input end of the ambient brightness threshold setting unit 15 It is electrically connected with the power output end of the first control and power interface unit 13 .

The ambient brightness detection unit 14 is used to detect the ambient brightness and send the detected ambient brightness signal to the first dimming control unit 12 . The ambient brightness threshold setting unit 15 is used to set the ambient brightness threshold controlled by the first dimming control unit 12 . The first dimming control unit 12 generates various dimming control signals according to the ambient brightness signal, the ambient brightness threshold and the human body induction signal. Preferably, the ambient brightness detection unit 14 is an ambient brightness detection unit 14 that uses ambient light sensing technology to detect ambient brightness.

Preferably, the human body induction dimming control device 10 also includes a delay time setting unit 16, the delay time of the delay time setting unit 16 sets the delay time between the signal output terminal and the first dimming control unit 12 The setting signal input end is electrically connected, and the power input end of the delay time setting unit 16 is electrically connected to the power output end of the first control and power interface unit 13 .

The delay time setting unit 16 is used to set the delay time after the human body sensing unit 11 detects that a person leaves, and the first dimming control unit 12 generates various lights according to the delay time, the ambient brightness signal, the ambient brightness threshold and the human body sensing signal A dimming control signal.

Preferably, the second dimming control unit 22 further includes an original output state feedback unit 24, the feedback signal output end of the original output state feedback unit 24 is electrically connected to the feedback signal input end of the second control and power interface unit 21. connection, the feedback signal output end of the second control and power interface unit 21 is electrically connected to the feedback signal input end of the first control and power interface unit 13, and the feedback signal output of the first control and power interface unit 13 terminal is electrically connected to the feedback signal input terminal of the first dimming control unit 12 .

The original output state feedback unit 24 is used to feed back the original operating state of the ballast, and the first dimming control unit 12 generates various LEDs according to the original output state, delay time, ambient brightness signal, ambient brightness threshold value and human body induction signal. Dimming control signal.

Specifically, the control logic of the dimming control signal of the first dimming control unit 12 of the human body induction dimming system of the present invention is shown in the following table:

Remark:

① The user can set the ambient brightness threshold value in the ambient brightness threshold value setting unit 15 according to actual needs.

②The first dimming control unit 12 is provided with a timer. If the human body sensing unit 11 senses no human body movement signal within the delay time T1 period, the first dimming control unit 12 outputs a control signal to control the ballast by 100 % luminance output into 20% luminance output. The user can set the delay time in the delay time setting unit 16 according to actual needs. Preferably, the T1 time range may be within 1-10 minutes.

③When the ambient light is greater than the set luminosity and there is no human movement signal within the T2 period, the output will turn off from 20% brightness. The T2 time can be set in the first dimming control unit 12, and T2>T1.

④ The original output state is acquired by the original output state feedback unit 24 and sent to the first dimming control unit 12 .

The first dimming control unit 12 generates various dimming control signals according to the original output state, delay time, ambient brightness signal, ambient brightness threshold value and human body induction signal. The dimming control signal includes 100% brightness output, 20% brightness output , No output three kinds of control signal output. The original operating state of the ballast of the original output state feedback unit 24 includes three states: 100% brightness output, 20% brightness output, and no output.

The specific control process is:

1. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When it is 100%, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness, and at the same time clears the delay time T1 of the timer in the first dimming control unit 12;

2. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When the brightness is 20%, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness, and at the same time clears the delay time T1 of the timer in the first dimming control unit 12;

3. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When it is closed, the output of the first dimming control unit 12 is a control signal for controlling the closing of the ballast;

4. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is 100% brightness, the timer of the first dimming control unit 12 counts, and when there is still no one within the delay time T1, output a control signal to control the ballast output to 20% brightness;

5. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is 20% brightness, the timer of the first dimming control unit 12 counts, and when there is still no one within the delay time T2, output a control signal for controlling the shutdown of the ballast;

6. When the current ambient brightness detected by the ambient brightness detection unit 14 is greater than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is off, the first dimming control unit 12 outputs a control signal for controlling the closing of the ballast;

7. When the current ambient brightness detected by the ambient brightness detection unit 14 is less than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When it is 100%, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness, and at the same time clears the delay time T1 of the timer in the first dimming control unit 12;

8. When the current ambient brightness detected by the ambient brightness detection unit 14 is less than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When the brightness is 20%, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness, and at the same time clears the delay time T1 of the timer in the first dimming control unit 12;

9. When the current ambient brightness detected by the ambient brightness detection unit 14 is less than the ambient brightness threshold value, if the human body sensing unit 11 senses people in a certain area at this time, and the original output state feedback unit 24 detects the original output state of the ballast When it is off, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness, and at the same time clears the delay time T1 of the timer in the first dimming control unit 12;

10. When the current ambient brightness detected by the ambient brightness detection unit 14 is lower than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is 100% brightness, the timer of the first dimming control unit 12 counts, and when there is still no one within the delay time T1, output a control signal to control the ballast output to 20% brightness;

11. When the current ambient brightness detected by the ambient brightness detection unit 14 is lower than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is 20% brightness, the output of the first dimming control unit 12 controls the ballast to output a control signal with 20% brightness;

12. When the current ambient brightness detected by the ambient brightness detection unit 14 is lower than the ambient brightness threshold value, if the human body sensing unit 11 senses that there is no one in a certain area at this time, and the original output state feedback unit 24 detects the original output of the ballast When the state is off, the output of the first dimming control unit 12 controls the ballast to output a control signal with 100% brightness.

It can be seen from the above control process that the human body induction dimming system of the present invention controls the output state of the ballast according to the original output state, delay time, ambient brightness signal, ambient brightness threshold value and human body induction signal, thereby controlling the brightness of the lamp tube and switch. In some dark places, if there are people, the ballast will make 100% brightness output, and when there is no one, the ballast will make 20% brightness output, which ensures that there are people in dark places under the condition of environmental protection and energy saving. Sometimes there is enough light to illuminate, and it will not be dark when no one is there.

The control signal of the 20% brightness of the above-mentioned ballast can be set according to the actual application, that is, it can be set to 10% brightness or 30% brightness and so on.

The circuit schematic diagram of the human body induction dimming control device 10 of the human body induction dimming system is shown in FIG. 3 .

The human body sensing unit 11 is mainly composed of an infrared pyroelectric sensor U4, an operational amplifier U3 and its peripheral components. When someone is sensed in a certain area, the PIR_S signal will output a square wave with a certain frequency, otherwise it will remain at a low level, and the control unit will send corresponding instructions according to the PIR_S signal to control the dimmable electronic ballast device 20 to work.

The ambient brightness detection unit 14, the ambient brightness threshold value setting unit 15 and the delay time setting unit 16 of the utility model embodiment are realized by a circuit module 17, which mainly includes a capacitor C1, a resistor R1, a variable resistor VAR1, and a variable resistor VAR1. The resistor VAR2, the light sensor PHO1, the resistor R3, and the resistor R4, wherein the variable resistor VAR1 is used to adjust the delay time T1, and the variable resistor VAR2 is used to adjust the ambient light threshold. When the resistor R1, the capacitor C1, the resistor R3 and the resistor R4 are constant, the first dimming control unit 12 determines the delay time and the current ambient light parameter according to the different values of the variable resistor VAR1 and the variable resistor VAR2.

The first control and power interface unit 13 includes a step-down chip U1, a capacitor C10, a capacitor C11, a diode D1, a diode D2, a voltage regulator diode ZD1, a transistor Q1, a resistor R5, and a resistor R6.

The first dimming control unit 12 is composed of a microprocessor U2 and its peripheral circuits, and the embodiment of the utility model adopts PIC12F508. Among them, the ports CAL and MEAS read the comparison reference signal, the port TIME reads the delay time T1, the PHO_PIN reads the ambient light parameters combined with the ambient light brightness and the ambient brightness threshold, and S_PIR reads the human body sensing signal of the human body sensing unit 11, The port F_DATA is the output port of the dimming control signal.

The schematic circuit diagram of the dimmable electronic ballast device 20 and the power conversion unit 40 of the human body induction dimming system is shown in FIG. 4 .

The dimmable electronic ballast device 20 includes a second control and power interface unit 21 , a second dimming control unit 22 , a driving and dimming unit 23 and an original output state feedback unit 24 . The original output state feedback unit 24 of the present invention is arranged in the second dimming control unit 22 .

Port SHUT outputs a signal to control the ballast on or off. The port DIM outputs the dimming control signal of the ballast, such as 100% brightness, 20% brightness and so on. The signals output by port STATUS1, port STATUS2, and port STATUS3 are the output lamp status, overcurrent or hard switch, rectification effect or lamp aging and other signals respectively.

The power conversion unit 40 is mainly used for DC conversion, and provides low-voltage DC power for other parts.

The second control unit is composed of a microprocessor U6 and its peripheral circuits. The second control unit judges the current working status of the electronic ballast according to the output signals STATUS1, STATUS2, and STATUS3 of the drive several dimming controls, and then controls the ballast according to the Detection signal. The streamer works in the brightest, darkest, and standby states.

List of port functions of the second control unit:

The input and output logical relationship table of the second control unit:

Among them, X represents any state.

The second control and power interface unit 21 includes a transistor Q9, a transistor Q10, a transistor Q11, a transistor Q12, a transformer T3, a diode D14, a diode D15, a diode D16, a resistor R42, a resistor R47, a resistor R48, a resistor R49, a resistor R51, and a resistor R56 , resistor R58, resistor R59, resistor R61, resistor R63, capacitor C22, capacitor C24 and capacitor C6.

As shown in FIG. 5 , the dimmable electronic ballast device 20 also provides working power for the human body induction dimming control device 10 . The Driver signal output by the second dimming control unit 22 can be a square wave with a duty ratio of 100KHz and 50%. A 100Khz pulse signal is applied to the primary winding of the transformer T3 through the transistor Q11 and the transistor Q9. The transmission ratio of the transformer T3 is: 1:1, therefore, after the secondary winding of the transformer T3 is rectified by the diode D14 and the capacitor C22, the voltage on the V+/V- line rises to provide power for the human body induction dimming control device 10 .

Among them, resistor R43 is a current-limiting resistor to limit the primary winding.

When the V+/V- output current is too large, so that the voltage drop on the resistor R48 exceeds 0.6V, the transistor Q10 is turned on, and the output current is reduced due to the shunt of the transistor Q10. The transistor Q10, the diode D15, and the resistor R48 provide a limit for the output Current protection, the maximum output current is Vbe/R48 (Vbe is the node voltage of Q10, generally 0.6V).

The following describes the dimming control signal transmission between the human body induction dimming control device 10 and the dimmable electronic ballast device 20:

When the first dimming controller is working, it sends out signals of different frequencies through the port F_DATA as required,

In this way, the switch tube Q1 is controlled to work. When the switch tube Q1 is turned on, the current through the diode D2 and the switch tube Q1 rises rapidly, so that the voltage of V+ drops, and at the same time, the dropped voltage signal will be transmitted to the primary winding, through the diode D16 Detection, and then amplified by the transistor Q12, the F_DATA transmission information is reflected on the Detection signal, thereby completing the signal transmission.

Therefore, in the human body induction dimming system of the embodiment of the utility model, the control signal between the human body induction dimming control device 10 and the dimmable electronic ballast device 20 is transmitted through the power line, that is, the power supply is realized through the signal line, and its design is ingenious ,Simple structure.

The utility model also discloses an induction dimming lamp (not marked in the figure), which includes the above-mentioned human body induction dimming system. Similarly, the induction dimming lamp of the present invention has the advantages of simple structure, compact structure and low cost.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, and are against the limitation of the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary people in the art The skilled person should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (10)

1. A human body induction dimming system, characterized in that it comprises: Human body induction dimming control device and at least one dimmable electronic ballast device, the power input end of the dimmable electronic ballast device is electrically connected to the power supply, the power output end of the adjustable light electronic ballast device is connected to the The power supply input end of the human body induction dimming control device is electrically connected, and the control signal output end of the human body induction dimming control device is electrically connected with the control signal input end of the dimmable electronic ballast device. 2. The human body induction dimming system according to claim 1, wherein the human body induction dimming system further comprises a power conversion unit, The power input end of the power conversion unit is electrically connected to the power supply, and the power output end of the power conversion unit is electrically connected to the power input end of the dimmable electronic ballast device. 3. The human body induction dimming system according to claim 1, characterized in that, The human body induction dimming control device includes a human body induction unit, a first dimming control unit, and a first control and power interface unit; The dimmable electronic ballast device includes a second control and power interface unit, a second dimming control unit, and a driving and dimming unit, Wherein, the human body induction signal output end of the human body sensing unit is electrically connected to the human body induction signal input end of the first dimming control unit, and the control signal output end of the first dimming control unit is connected to the first control unit. and the control signal input end of the power interface unit, and the power output end of the first control and power interface unit is electrically connected to the power input end of the first dimming control unit and the power input end of the human body sensing unit respectively. connected, the power input end of the first control and power interface unit is electrically connected to the power output end of the second control and power interface unit, and the control signal output end of the first control and power interface unit is connected to the second control and power interface unit. The control signal input terminals of the two control and power interface units are electrically connected, the control signal output terminals of the second control and power interface unit are electrically connected with the control signal input terminals of the second dimming control unit, and the second dimming control unit The control signal output end of the light control unit is electrically connected with the control signal input end of the driving and dimming unit. 4. The human body induction dimming system according to claim 3, characterized in that, The human body induction dimming control device also includes an ambient brightness detection unit and an ambient brightness threshold value setting unit, the ambient brightness signal output terminal of the ambient brightness detection unit is connected to the ambient brightness signal of the first dimming control unit The input end is electrically connected, the brightness threshold output end of the ambient brightness threshold setting unit is electrically connected to the brightness threshold input end of the first dimming control unit, And the power input end of the ambient brightness detection unit is electrically connected to the power output end of the first control and power interface unit, the power input end of the ambient brightness threshold setting unit is connected to the first control and power supply The power output end of the interface unit is electrically connected. 5. The human body induction dimming system according to claim 3 or 4, characterized in that, The human body induction dimming control device also includes a delay time setting unit, The delay time setting signal output end of the delay time setting unit is electrically connected to the delay time setting signal input end of the first dimming control unit, And the power input end of the delay time setting unit is electrically connected to the power output end of the first control and power interface unit. 6. The human body induction dimming system according to claim 3 or 4, characterized in that, The second dimming control unit also includes an original output state feedback unit, The feedback signal output end is electrically connected to the feedback signal input end of the second control and power interface unit, The feedback signal output end of the second control and power interface unit is electrically connected to the feedback signal input end of the first control and power interface unit, The feedback signal output end of the first control and power interface unit is electrically connected to the feedback signal input end of the first dimming control unit. 7. The human body induction dimming system according to claim 5, characterized in that, The second dimming control unit also includes an original output state feedback unit, The feedback signal output end of the original output state feedback unit is electrically connected to the feedback signal input end of the second control and power interface unit, The feedback signal output end of the second control and power interface unit is electrically connected to the feedback signal input end of the first control and power interface unit, The feedback signal output end of the first control and power interface unit is electrically connected to the feedback signal input end of the first dimming control unit. 8. The human body induction dimming system according to claim 3 or 4, characterized in that, The human body sensing unit is a human body sensing unit that uses infrared sensing technology to sense whether there is human body movement. 9. The human body induction dimming system according to claim 4, characterized in that, The ambient brightness detection unit is an ambient brightness detection unit that uses ambient light sensing technology to detect ambient brightness. 10. A human body induction dimming lamp, comprising the human body induction dimming system according to any one of claims 1 to 9.

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