CN213186624U - Wide-pressure human body induction control circuit and LED bulb lamp - Google Patents
Wide-pressure human body induction control circuit and LED bulb lamp Download PDFInfo
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- CN213186624U CN213186624U CN202021675971.3U CN202021675971U CN213186624U CN 213186624 U CN213186624 U CN 213186624U CN 202021675971 U CN202021675971 U CN 202021675971U CN 213186624 U CN213186624 U CN 213186624U
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Abstract
The utility model discloses a human induction control circuit is pressed to width, include: the wide voltage driving circuit is used for driving the induction circuit; the induction circuit comprises a human body induction module, a voltage-stabilizing tube, a bias resistor, a power supply resistor group, an LED loop and a triode, wherein a human body inductor is integrated in the human body induction module; the power supply end of the human body induction module is grounded through the voltage-stabilizing tube and is connected with the collector electrode of the triode sequentially through the power supply resistor group and the LED loop; the output end of the human body induction module is connected with the base electrode of the triode, and is connected with the emitting electrode of the triode through the bias resistor, and the emitting electrode of the triode is grounded; the grounding end of the human body induction module is grounded. The utility model also discloses a LED ball bubble lamp. Adopt the utility model discloses, can combine together wide pressure drive mode and human response mode, realize LED lamp automatic start or close, the flexibility is strong.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a human induction control circuit of wide pressure and LED ball bubble lamp.
Background
In the lighting industry, LED lamps are replacing traditional incandescent lamps and energy saving lamps in large quantities due to their characteristics of high light efficiency and long life.
At present, the LED bulb lamp is a novel green light source for replacing the traditional incandescent bulb and has wide market value. Therefore, in order to meet the energy-saving requirement, a large number of induction LED bulb lamps are arranged on the market, so that the functions of lighting up when people come at night and turning off when people walk are achieved.
Because the LED bulb lamp is used in a hanging mode, main heat is emitted towards the lamp cap, the LED bulb usually adopts an aluminum radiator, the wide-voltage driving circuit is located in the aluminum radiator, and the temperature is high, so that the induction module arranged on the wide-voltage driving circuit is easily triggered by mistake, and the induction module is also easily interfered by the aluminum radiator to cause false triggering. Therefore, the existing LED bulb lamp cannot meet the actual requirements of users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure's human induction control circuit of wide pressure and LED ball bubble lamp are provided, can realize LED lamp automatic start or close, and the flexibility is strong.
In order to solve the technical problem, the utility model provides a human response control circuit is pressed to width, include: the wide voltage driving circuit is used for driving the induction circuit; the induction circuit comprises a human body induction module, a voltage-stabilizing tube, a bias resistor, a power supply resistor group, an LED loop and a triode, wherein a human body inductor is integrated in the human body induction module; the power supply end of the human body induction module is grounded through the voltage-stabilizing tube and is connected with the collector electrode of the triode sequentially through the power supply resistor group and the LED loop; the output end of the human body induction module is connected with the base electrode of the triode, and is connected with the emitting electrode of the triode through the bias resistor, and the emitting electrode of the triode is grounded; the grounding end of the human body induction module is grounded.
As an improvement of the above scheme, the wide voltage driving circuit includes an anti-surge module, a rectifier module, a first filter capacitor, a switching power supply chip, a power inductor and a sampling resistor; the switching power supply chip is provided with a high-voltage power supply port, a drain electrode port of the built-in power tube, a current detection port and a grounding port; the alternating current input end of the rectification module is connected with a power supply through the anti-surge module, the reverse output end of the rectification module is grounded, and the forward output end of the rectification module is grounded through the first filter capacitor; the high-voltage power supply port is connected with the forward output end of the rectifying module, the drain port of the built-in power tube is connected with the power inductor, the current detection port is grounded through the sampling resistor, and the grounding port is grounded.
As an improvement of the above scheme, the anti-surge module includes a safety resistor and a voltage dependent resistor, one ac input end of the rectifier module is connected to the live wire of the power supply through the safety resistor, the other ac input end of the rectifier module is connected to the zero line of the power supply, and the rectifier module is connected in parallel with the voltage dependent resistor through two ac input ends.
As an improvement of the above scheme, the wide voltage driving circuit further includes a load resistor, one end of the load resistor is connected to the forward output end of the rectifier module, and the other end of the load resistor is connected to the drain port of the internal power transistor through the power inductor.
As an improvement of the above scheme, the wide voltage driving circuit further includes a second filter capacitor, one end of the second filter capacitor is connected to the forward output end of the rectifier module, and the other end of the second filter capacitor is connected to the drain port of the internal power tube through the power inductor.
As an improvement of the scheme, the switching power supply chip is KP 1054.
As an improvement of the above scheme, the wide voltage driving circuit and the sensing circuit are separately arranged, and the wide voltage driving circuit and the sensing circuit are connected through an LED anode port and an LED cathode port.
As an improvement of the above scheme, a forward direct current output end of a rectifying module in the wide voltage driving circuit is connected to the LED positive electrode port, and a positive electrode of an LED loop in the sensing circuit is simultaneously connected to the LED positive electrode port; and a drain port of a built-in power tube of a switch power supply chip in the wide voltage driving circuit is connected with the LED negative port through the power inductor, and an emitting electrode of a triode in the induction circuit is simultaneously connected with the LED negative port.
As an improvement of the scheme, a time delay device is further integrated in the human body induction module.
Correspondingly, the utility model also provides a LED ball bubble lamp, reach including the ball bubble lamp human induction control circuit is pressed to the width, human induction control circuit is located to the width in the ball bubble lamp.
Implement the utility model has the advantages that:
the utility model discloses can combine together wide pressure drive mode and human response mode, realize LED lamp automatic start or close, the flexibility is strong. Specifically, the utility model can realize the on-off control of the LED loop through the triode, when the light is strong, the human body induction module keeps outputting low level, so that the triode is cut off, the LED loop is broken, and the LED lamp in the LED loop is not bright; when the light is dark and the human body sensor monitors that a human body sends an infrared signal, the human body sensing module outputs a high level to enable the triode to be conducted, the LED loop is connected, and an LED lamp in the LED loop is started under the drive of the wide voltage driving circuit; when the human body sensor cannot monitor the infrared signal, the human body sensing module outputs a low level to stop the triode, the LED loop is broken, and the LED lamp in the LED loop is turned off. Therefore, the utility model discloses the human response mode of accessible realizes, and the automatic start of LED lamp or closing under the darker condition of light, and the flexibility is strong.
And simultaneously, the utility model discloses a scheme of wide voltage drive circuit and induction circuit separation can improve power efficiency and system stability under the prerequisite of guaranteeing wide voltage input, only needs to adopt conventional drive circuit to provide the constant current, greatly shortens ordinary LED ball bubble lamp and upgrades human response product renewal design cycle.
Additionally, the utility model discloses in locating induction circuit simultaneously with human response module and LED return circuit, realized the integrative design of photoelectricity in human response module and LED return circuit, the integration of being convenient for effectively improves production efficiency.
Drawings
Fig. 1 is a circuit diagram of an induction circuit in the wide voltage human body induction control circuit of the present invention;
FIG. 2 is a circuit diagram of a wide voltage driving circuit in the wide voltage human body induction control circuit according to the first embodiment of the present invention;
FIG. 3 is a circuit diagram of a second embodiment of a wide voltage driving circuit in the wide voltage human body induction control circuit of the present invention;
FIG. 4 is a circuit diagram of a wide voltage driving circuit in the wide voltage human body induction control circuit according to a third embodiment of the present invention;
FIG. 5 shows a fourth embodiment of the wide voltage driving circuit of the wide voltage human body induction control circuit of the present invention;
fig. 6 is a schematic structural diagram of the LED bulb lamp of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses human response control circuit is pressed to width includes that wide pressure drive circuit and induction circuit, wide pressure drive circuit is used for the drive induction circuit.
What is different from the prior art, the utility model discloses a scheme of wide pressure drive circuit and induction circuit separation, with wide pressure drive circuit and induction circuit separation setting, just through LED positive pole port LED + and LED negative pole port LED + connection between wide pressure drive circuit and the induction circuit, can effectively improve system stability, only need adopt conventional wide pressure drive circuit to provide the constant current (not limit the drive scheme), greatly shorten the design cycle that ordinary LED ball bubble lamp upgraded human response product and updated.
As shown in fig. 1, the sensing circuit includes a human body sensing module U2, a voltage regulator ZD1, a bias resistor R4, a power supply resistor group (R1, R2, R3), an LED loop and a triode Q1, and a human body sensor is integrated in the human body sensing module U2. Preferably, the model of the human body induction module is FMFZXDP76, but not limited thereto.
A power supply end VCC of the human body induction module U2 is grounded through the voltage regulator tube ZD1 and is connected with a collector of the triode Q1 through the power supply resistor group (R1, R2 and R3) and the LED loop in sequence; the voltage-stabilizing tube ZD1 can provide a stable direct-current voltage for the human body induction module U2, and the power supply resistor group (R1, R2, R3) includes three power supply resistors connected in series in sequence, but not limited to this, and may be set according to actual conditions.
The output end OUT of the human body induction module U2 is connected with the base electrode of the triode Q1, and is connected with the emitting electrode of the triode Q1 through the bias resistor R4, and the emitting electrode of the triode Q1 is grounded; the bias resistor R4 can provide a bias voltage for the transistor Q1.
The ground end GND of the human body induction module U2 is grounded.
When the human body induction module U2 defaults that the output end OUT outputs low level; when light is strong (such as in the daytime), the human body induction module U2 keeps outputting low level, so that the triode Q1 is cut off, the LED loop is broken, and the LED lamp in the LED loop is not on; when the light is dark and the human body sensor monitors that a human body sends an infrared signal, the human body sensing module U2 outputs a high level to enable the triode Q1 to be conducted, and an LED lamp in the LED loop is started under the drive of the wide voltage driving circuit; when the human body sensor cannot detect the infrared signal, the human body sensing module U2 outputs a low level to cut off the triode Q1, the LED loop is broken, and the LED lamp in the LED loop is turned off. Therefore, the utility model discloses the human response mode of accessible realizes, and the automatic start of LED lamp or closing under the darker condition of light, and the flexibility is strong.
The utility model discloses in, human response module U2 locates induction circuit simultaneously with the LED return circuit, has realized the integrative design of photoelectricity in human response module U2 and the LED return circuit, and the integration of being convenient for effectively improves production efficiency.
Further, a time delay unit is integrated in the human body induction module U2. When the LED lamp is started, the time delayer is triggered to start the time delayer, so that the LED lamp keeps a lighting state within the preset time. The preset time may be 20 seconds, but is not limited thereto, and may be preset according to actual conditions.
Referring to fig. 2, fig. 2 shows a first embodiment of the medium-voltage and wide-voltage driving circuit of the present invention, which includes an anti-surge module a, a rectifier module BD1, a first filter capacitor CE1, a switching power supply chip U1, a power inductor L1, and a sampling resistor RS 1. The rectifier module BD1 is preferably a rectifier bridge circuit, but not limited thereto. Specifically, the method comprises the following steps:
the switching power supply chip U1 is provided with a high-voltage power supply port HV, a built-in power tube Drain port Drain, a current detection port CS and a ground port GND.
The alternating current input end of the rectifying module BD1 is connected with a power supply through the anti-surge module A, the reverse output end of the rectifying module BD1 is grounded, and the forward output end of the rectifying module BD1 is grounded through the first filter capacitor CE 1. Therefore, the utility model discloses an anti-surge module A and first filter capacitor CE1 can form 2 orders and restrain the thunderbolt surge, and the anti thunderbolt surge of conventional circuit 500V, and the utility model discloses can anti-thunderbolt surge 1000V, improve system stability widely, satisfy the regulation surge requirement.
The Drain port Drain of the built-in power tube is connected with the power inductor L1. What is different from prior art, the utility model discloses in built-in power tube of switching power supply chip U1, little volume paster power inductance L1 is all connected to built-in power tube Drain electrode port Drain of every switching power supply chip U1, consequently, the utility model discloses saved the power MOS pipe, need not to set up big volume power inductance, can realize the optoelectronic integration, improve production efficiency. Preferably, the switching power supply chip U1 is KP1054, which has high power efficiency and can provide wide-voltage constant-current output for the sensing circuit, but not limited thereto.
The high-voltage power supply port HV is connected with the positive output end of the rectifying module BD 1. The current detection port is grounded through the sampling resistor RS1, and the output current of the switching power supply chip U1 can be effectively adjusted. The ground port GND is grounded.
Therefore, alternating current input of a power supply can be converted into wide-voltage constant current output through the wide-voltage driving circuit so as to be used by the induction circuit, and therefore the normal driving of the induction circuit is achieved, and the stability is high.
With reference to fig. 1 and fig. 2, a forward direct current output end of a rectifier module BD1 in the wide voltage driving circuit is connected to the LED positive terminal LED +, and a positive electrode of an LED loop in the sensing circuit is simultaneously connected to the LED positive terminal LED +; the Drain port Drain of a built-in power tube of a switch power chip U1 in the wide voltage driving circuit is connected with the LED negative electrode port LED-through the power inductor L1, and the emitter of a triode Q1 in the induction circuit is simultaneously connected with the LED negative electrode port LED-. Therefore, the utility model discloses a anodal port LED + of LED and LED negative pole port LED-can be connected the wide drive circuit that presses who separates each other with induction circuit, simple structure, and it is convenient to change/dismantle, and the practicality is strong.
Referring to fig. 3, fig. 3 shows a second embodiment of the medium-voltage and wide-voltage driving circuit of the present invention, which is different from the first embodiment shown in fig. 2, in this embodiment, the anti-surge module a includes a safety resistor FR1 and a varistor RV1, an ac input end of the rectifier module BD1 is connected to a live wire of a power supply through the safety resistor FR1, another ac input end of the rectifier module BD1 is connected to a neutral wire of the power supply, and the rectifier module BD1 is connected in parallel to the varistor RV1 through two ac input ends.
The fuse resistor FR1 and the varistor RV1 form a first-stage anti-surge structure. The circuit elements can be effectively protected by the fuse resistor FR1, transient overvoltage such as lightning overvoltage and operation overvoltage can be effectively inhibited by the piezoresistor RV1, and effective absorption of electric shock (surge) is realized.
Referring to fig. 4, fig. 4 shows a third embodiment of the medium-voltage and wide-voltage driving circuit of the present invention, which is different from the second embodiment shown in fig. 3, in this embodiment, the wide-voltage driving circuit further includes a load resistor R1, one end of the load resistor R1 is connected to the forward output end of the rectifier module BD1, and the other end is connected to the Drain port Drain of the built-in power tube through the power inductor L1.
It should be noted that, the stability of the system can be effectively improved by the load resistor R1.
Referring to fig. 5, fig. 5 shows a fourth embodiment of the medium voltage driving circuit of the present invention, which is different from the third embodiment shown in fig. 4, in this embodiment, the medium voltage driving circuit further includes a second filter capacitor EC2, one end of the second filter capacitor EC2 is connected to the forward output end of the rectifier module BD1, and the other end is connected to the Drain port Drain of the internal power transistor through the power inductor L1.
It should be noted that, the second filter capacitor CE2 can effectively suppress circuit ripples, thereby improving the light emitting efficiency of the light source.
As shown in fig. 6, the utility model also discloses a LED bulb lamp, it includes ball bubble lamp 2 and the above the wide human induction control circuit 1 of pressing, the wide human induction control circuit 1 of pressing is located in ball bubble lamp 2 to form the LED ball bubble lamp that has human response function, the human response mode of accessible realizes LED lamp automatic start or closes, and the flexibility is strong.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (10)
1. The wide-voltage human body induction control circuit is characterized by comprising a wide-voltage driving circuit and an induction circuit, wherein the wide-voltage driving circuit is used for driving the induction circuit;
the induction circuit comprises a human body induction module, a voltage-stabilizing tube, a bias resistor, a power supply resistor group, an LED loop and a triode, wherein a human body inductor is integrated in the human body induction module;
the power supply end of the human body induction module is grounded through the voltage-stabilizing tube and is connected with the collector electrode of the triode sequentially through the power supply resistor group and the LED loop;
the output end of the human body induction module is connected with the base electrode of the triode, and is connected with the emitting electrode of the triode through the bias resistor, and the emitting electrode of the triode is grounded;
the grounding end of the human body induction module is grounded.
2. The wide-voltage human body induction control circuit according to claim 1, wherein the wide-voltage driving circuit comprises an anti-surge module, a rectifying module, a first filter capacitor, a switching power supply chip, a power inductor and a sampling resistor;
the switching power supply chip is provided with a high-voltage power supply port, a drain electrode port of the built-in power tube, a current detection port and a grounding port;
the alternating current input end of the rectification module is connected with a power supply through the anti-surge module, the reverse output end of the rectification module is grounded, and the forward output end of the rectification module is grounded through the first filter capacitor;
the high-voltage power supply port is connected with the forward output end of the rectifying module, the drain port of the built-in power tube is connected with the power inductor, the current detection port is grounded through the sampling resistor, and the grounding port is grounded.
3. The wide voltage human body induction control circuit according to claim 2, wherein the anti-surge module comprises a safety resistor and a voltage dependent resistor, one ac input end of the rectifier module is connected to the live wire of the power supply through the safety resistor, the other ac input end of the rectifier module is connected to the neutral wire of the power supply, and the rectifier module is connected in parallel with the voltage dependent resistor through two ac input ends.
4. The wide-voltage human body induction control circuit according to claim 2, wherein the wide-voltage driving circuit further comprises a load resistor, one end of the load resistor is connected with the forward output end of the rectifying module, and the other end of the load resistor is connected with the drain port of the built-in power tube through the power inductor.
5. The wide-voltage human body induction control circuit according to claim 2, wherein the wide-voltage driving circuit further comprises a second filter capacitor, one end of the second filter capacitor is connected to the forward output end of the rectifying module, and the other end of the second filter capacitor is connected to the drain port of the built-in power tube through the power inductor.
6. The wide voltage human body induction control circuit according to claim 2, wherein said switching power supply chip is KP 1054.
7. The wide-voltage human body induction control circuit according to claim 2, wherein the wide-voltage driving circuit and the induction circuit are separately arranged, and the wide-voltage driving circuit and the induction circuit are connected through an LED anode port and an LED cathode port.
8. The wide-voltage human body induction control circuit according to claim 7, wherein a forward direct current output end of a rectifying module in the wide-voltage driving circuit is connected with the LED positive electrode port, and a positive electrode of an LED loop in the induction circuit is simultaneously connected with the LED positive electrode port;
and a drain port of a built-in power tube of a switch power supply chip in the wide voltage driving circuit is connected with the LED negative port through the power inductor, and an emitting electrode of a triode in the induction circuit is simultaneously connected with the LED negative port.
9. The wide-voltage body induction control circuit according to claim 1, wherein a time delay is further integrated in said body induction module.
10. An LED bulb lamp, characterized by comprising a bulb lamp and the wide-voltage human body induction control circuit according to any one of claims 1-9, wherein the wide-voltage human body induction control circuit is arranged in the bulb lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021675971.3U CN213186624U (en) | 2020-08-12 | 2020-08-12 | Wide-pressure human body induction control circuit and LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021675971.3U CN213186624U (en) | 2020-08-12 | 2020-08-12 | Wide-pressure human body induction control circuit and LED bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213186624U true CN213186624U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021675971.3U Active CN213186624U (en) | 2020-08-12 | 2020-08-12 | Wide-pressure human body induction control circuit and LED bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213186624U (en) |
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2020
- 2020-08-12 CN CN202021675971.3U patent/CN213186624U/en active Active
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