CN213186625U - Dimming human body induction control circuit and LED bulb lamp - Google Patents
Dimming human body induction control circuit and LED bulb lamp Download PDFInfo
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- CN213186625U CN213186625U CN202021677434.2U CN202021677434U CN213186625U CN 213186625 U CN213186625 U CN 213186625U CN 202021677434 U CN202021677434 U CN 202021677434U CN 213186625 U CN213186625 U CN 213186625U
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Abstract
The utility model discloses a human response control circuit adjusts luminance, include: the LED dimming circuit comprises a dimming driving circuit and an induction circuit which are separately arranged, wherein the dimming driving circuit is connected with the induction circuit through an LED anode port and an LED cathode port; the dimming driving circuit comprises a silicon controlled dimmer, a rectifying module and a driving module, wherein the alternating current input end of the rectifying module is connected with a power supply through the silicon controlled dimmer, and the direct current output end of the rectifying module is connected with the LED positive electrode port and the LED negative electrode port through the driving module; the sensing circuit comprises a human body sensing module, a control module and an LED loop, wherein the human body sensing module is connected with the LED loop through the control module, and the LED loop is connected with the LED anode port and the LED cathode port through the control module. The utility model also discloses a LED ball bubble lamp. Adopt the utility model discloses, can effectively improve system stability to realize the automatic start of LED lamp, close and adjustting of the lighteness.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a human induction control circuit and a LED ball bubble lamp of adjusting luminance.
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 and LED ball bubble lamp of adjusting luminance is provided, system stability can effectively be improved to realize the automatic start of LED lamp, close and adjustting of the lighteness.
In order to solve the technical problem, the utility model provides a human response control circuit adjusts luminance, include: the LED dimming circuit comprises a dimming driving circuit and an induction circuit which are separately arranged, wherein the dimming driving circuit is connected with the induction circuit through an LED anode port and an LED cathode port; the dimming driving circuit comprises a silicon controlled dimmer, a rectifying module and a driving module, wherein the alternating current input end of the rectifying module is connected with a power supply through the silicon controlled dimmer, and the direct current output end of the rectifying module is connected with the LED positive electrode port and the LED negative electrode port through the driving module; the sensing circuit comprises a human body sensing module, a control module and an LED loop, wherein the human body sensing module is connected with the LED loop through the control module, and the LED loop is connected with the LED anode port and the LED cathode port through the control module.
As an improvement of the above scheme, the control module comprises a voltage regulator tube, a bias resistor, a power supply resistor group and a triode; 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 positive electrode of the LED loop is connected to the positive electrode port of the LED, and the emitter of the triode is connected to the negative electrode port of the LED.
As an improvement of the above scheme, the dimming driving module includes a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a first resistor, a third resistor, and a constant current unit; the alternating current input end of the rectification module is connected with a power supply through the silicon controlled rectifier dimmer; the reverse direct current output end of the rectifying module is grounded through the second diode and is connected with the constant current unit; the forward direct current output end of the rectifier module is grounded through the first capacitor and is connected with one end of the first inductor; the other end of the first inductor is grounded through a first resistor and a second capacitor which are sequentially connected, is grounded through the third capacitor, is connected with the constant current unit through the second inductor, is connected with the constant current unit through the third resistor, and the output end of the constant current unit is connected with the first diode.
As an improvement of the above scheme, a forward direct current output end of the rectifier module is connected to the anode port of the LED through the first inductor, and an output end of the constant current unit is connected to the cathode port of the LED through the first diode.
As an improvement of the above scheme, the constant current unit includes a constant current chip, an external capacitor, an external resistor, a compensation capacitor, a sampling resistor and a bypass capacitor; the constant current chip is provided with a power supply port, an overcurrent detection port, an output compensation port, a grounding port, a constant current output port, an overvoltage protection port and a current sampling port; the power supply port is grounded through the external capacitor and the external resistor in sequence; the overcurrent detection port is grounded through the external resistor; the output compensation port is grounded through the compensation capacitor; the grounding port is grounded; the constant current output port is connected with the other end of the first inductor through the second inductor and is connected with one end of the first diode; the overvoltage protection port is connected with the other end of the first inductor through the third resistor; the current sampling port is connected with the reverse direct current output end of the rectifying module through the sampling resistor; the grounding port is connected with the current sampling port through the bypass capacitor.
As an improvement of the above scheme, the driving module further comprises a polar capacitor and/or a second resistor; one end of the polar capacitor is connected with the forward direct current output end of the rectifying module through a first inductor, and the other end of the polar capacitor is connected with the constant current unit through the first diode; one end of the second resistor is connected with the forward direct current output end of the rectifying module through a first inductor, and the other end of the second resistor is connected with the constant current unit through the first diode.
As an improvement of the above scheme, the dimming driving circuit further includes a first safety resistor, a second safety resistor, and a voltage dependent resistor; one alternating current input end of the rectification module is connected with a power live wire sequentially through the first safety resistor and the silicon controlled rectifier dimmer, the other alternating current input end of the rectification module is connected with a power zero line through the second safety resistor, and the rectification module is connected with the voltage dependent resistor in parallel through the two alternating current input ends.
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, including ball bubble lamp and the human induction control circuit of adjusting luminance, the human induction control circuit of adjusting luminance is located in the ball bubble lamp.
Implement the utility model has the advantages that:
the utility model discloses combine together silicon controlled rectifier dimmer and human response module, both realized the automatic start of LED lamp or closed through human response mode, can also compatible silicon controlled rectifier adjust luminance in order to realize the adjustting of the lighteness of LED lamp, strong adaptability.
And simultaneously, the utility model discloses a scheme of drive circuit and the response circuit separation of adjusting luminance to realize being connected between drive circuit and the response circuit through LED positive pole port and LED negative pole port, can effectively improve system stability, greatly shorten the design cycle that ordinary LED ball bubble lamp upgrading human response product was updated.
The utility model discloses still locate induction circuit with human response module and LED return circuit simultaneously in, 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 schematic structural diagram of the dimming human body induction control circuit of the present invention;
fig. 2 is a circuit diagram of an induction circuit according to the present invention;
fig. 3 is a circuit diagram of a first embodiment of the dimming driving circuit of the present invention;
fig. 4 is a circuit diagram of a second embodiment of the dimming driving circuit of the present invention;
fig. 5 is a circuit diagram of a third embodiment of the dimming driving 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.
As shown in fig. 1, the utility model discloses human response control circuit adjusts luminance includes the drive circuit and the sense circuit of adjusting luminance that the separation set up, adjust luminance through the anodal port LED + of LED and LED negative pole port LED-connection between drive circuit and the sense circuit, specifically:
the dimming driving circuit comprises a silicon controlled dimmer U3, a rectification module DB1 and a driving module, wherein the alternating current input end of the rectification module DB1 is connected with a power supply through the silicon controlled dimmer U3, and the direct current output end of the rectification module DB1 is connected with the LED anode port LED + and the LED cathode port LED-; the rectifier module BD1 is preferably a rectifier bridge circuit, but not limited thereto.
The sensing circuit comprises a human body sensing module U2, a control module N and an LED loop, wherein the human body sensing module U2 is connected with the LED loop through the control module N, and the LED loop is connected with an LED anode port LED + and an LED cathode port LED-through the control module N. Preferably, the model of the human body sensing module U2 is FMFZXDP76, but not limited thereto. Therefore, the utility model discloses in, human response module U2 locates induction circuit simultaneously with the LED return circuit in, realized human response module U2 and the integrative design of photoelectricity in LED return circuit, the integration of being convenient for effectively improves production efficiency.
What is different from the prior art, the utility model discloses a scheme of drive circuit and induction circuit separation of adjusting luminance can effectively improve system stability, only needs to adopt conventional drive circuit to provide the constant current (not limit the drive scheme), greatly shortens the design cycle that ordinary LED ball bubble lamp upgraded human response product and renews.
As shown in fig. 2, the control module N includes a voltage regulator ZD1, a bias resistor RS4, a power supply resistor group (RS1, RS2, RS3), and a transistor Q1. Specifically, the method comprises the following steps:
the power supply end of the human body induction module U2 is grounded through the voltage-regulator tube ZD1 and is connected with the collector electrode of the triode Q1 through the power supply resistor group (RS1, RS2 and RS3) and the LED loop in sequence; the voltage-stabilizing tube ZD1 can provide stable direct-current voltage for the human body induction module U2, and the power supply resistor group (RS1, RS2, RS3) includes three power supply resistors connected in series in sequence, but not limited to this, and can be set according to actual conditions.
The output end 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 RS4, and the emitting electrode of the triode Q1 is grounded; the bias resistor RS4 can provide a bias voltage for the transistor Q1.
The grounding end 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 the automatic start or the closing of LED lamp under the darker condition of light, and the flexibility is strong.
Correspondingly, the positive electrode of the LED loop is connected with the LED positive electrode port LED +, and the emitter electrode of the triode is connected with the LED negative electrode port LED-.
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. 3, fig. 3 shows a first embodiment of the dimming driving circuit of the present invention, in this embodiment, the dimming driving module includes a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1, a second diode D2, a first resistor R1, a third resistor R3, and a constant current unit M. Specifically, the method comprises the following steps:
the alternating current input end of the rectifying module DB1 is connected with a power supply through the silicon controlled dimmer U3; the reverse direct current output end of the rectifying module DB1 is grounded through the second diode D2 and connected to the constant current unit M; the forward direct current output end of the rectifier module DB1 is grounded through the first capacitor C1 and is connected to one end of the first inductor L1; the other end of the first inductor L2 is grounded through a first resistor R1 and a second capacitor C2 which are connected in sequence, and is grounded through the third capacitor C3, and is connected with the constant current unit M through the second inductor L2, and is connected with the constant current unit M through the third resistor R3, and the output end of the constant current unit M is connected with the first diode D1.
Therefore, the dimming driving circuit can convert the alternating current input of the power supply into constant current output for the induction circuit to use, so that the normal driving of the induction circuit is realized, and the stability is high; meanwhile, the dimming driving circuit can be compatible with silicon controlled rectifier dimming, so that the brightness of the LED lamp is adjusted, and the adaptability is high.
Correspondingly, the forward direct current output end of the rectifier module DB1 is connected to the LED positive terminal LED + through the first inductor L1, and the output end of the constant current unit M is connected to the LED negative terminal LED-through the first diode D1.
Further, the constant current unit M comprises a constant current chip U1, an external capacitor C4, an external resistor RS, a compensation capacitor C5, a sampling resistor R3 and a bypass capacitor C5; preferably, the constant current chip U1 is SY58553A, can provide a constant current output, and can be compatible with silicon controlled rectifier dimming.
The constant current chip U1 is provided with a power supply port VCC, an overcurrent detection port ISEN, an output compensation port COMP, a grounding port GND, a constant current output port Drain, an overvoltage protection port ROV and a current sampling port IBUS; the power supply port VCC is grounded through the external capacitor C4 and the external resistor RS in sequence; the overcurrent detection port ISEN is grounded through the external resistor RS; the output compensation port COMP is grounded through the compensation capacitor C5; the ground port GND is grounded; the constant current output port Drain is connected with the other end of the first inductor L1 through the second inductor L2 and is connected with one end of the first diode D1; the over-voltage protection port ROV is connected with the other end of the first inductor L1 through the third resistor R3; the current sampling port IBUS is connected with the reverse direct current output end of the rectifier module DB1 through the sampling resistor R3, and the output current of the constant current chip U1 can be effectively adjusted by adjusting the resistance value of the sampling resistor R3, so that an LED loop is in a constant current working state; the ground port GND and the current sampling port IBUS are connected through the bypass capacitor C6.
Referring to fig. 4, fig. 4 shows a second embodiment of the dimming driving circuit of the present invention, which is different from the first embodiment shown in fig. 3 in that, in this embodiment, the driving module further includes a polar capacitor EC1 and a second resistor R2. Wherein the content of the first and second substances,
one end of the polar capacitor EC1 is connected with the forward direct current output end of the rectifying module DB1 through a first inductor L1, and the other end of the polar capacitor EC1 is connected with the constant current unit M through the first diode D1; therefore, the polar capacitor EC1 can effectively suppress circuit ripples, thereby improving the light-emitting efficiency of the light source.
One end of the second resistor R2 is connected to the forward dc output end of the rectifier module DB1 through a first inductor L1, and the other end is connected to the constant current unit M through the first diode D1. Therefore, the stability of the system can be effectively improved through the second resistor R2.
It should be noted that, a user can set the polar capacitor EC1 alone, or set the second resistor R2 alone, or set the polar capacitor EC1 and the second resistor R2 at the same time according to actual needs, which is highly flexible.
Referring to fig. 5, fig. 5 shows a third embodiment of the dimming driving circuit of the present invention, which is different from the second embodiment shown in fig. 4, in this embodiment, the dimming driving circuit further includes a first safety resistor FR1, a second safety resistor FR2 and a voltage dependent resistor RV 1; an alternating current input end of the rectifying module DB1 is connected with a power supply live wire L sequentially through the first safety resistor RF1 and the silicon controlled dimmer U3, the other alternating current input end of the rectifying module DB1 is connected with a power supply zero line N through the second safety resistor FR2, and the rectifying module DB1 is connected with the voltage dependent resistor RV1 in parallel through two alternating current input ends.
The first protection resistor FR1, the second protection resistor FR2, and the varistor RV1 form a first-stage anti-surge structure. The circuit elements can be effectively protected by the first fuse resistor FR1 and the second fuse resistor FR2, and transient overvoltage such as lightning overvoltage and operation overvoltage can be effectively inhibited by the piezoresistor RV1, so that the electric shock (surge) can be effectively absorbed.
As shown in fig. 6, the utility model also discloses a LED bulb lamp, it includes ball bubble lamp 2 and the above human induction control circuit 1 of adjusting luminance, human induction control circuit 1 of adjusting luminance locates 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 can realize dimming control, 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. A dimming human body induction control circuit is characterized by comprising a dimming driving circuit and an induction circuit which are separately arranged, wherein the dimming driving circuit is connected with the induction circuit through an LED positive electrode port and an LED negative electrode port;
the dimming driving circuit comprises a silicon controlled dimmer, a rectifying module and a driving module, wherein the alternating current input end of the rectifying module is connected with a power supply through the silicon controlled dimmer, and the direct current output end of the rectifying module is connected with the LED positive electrode port and the LED negative electrode port through the driving module;
the sensing circuit comprises a human body sensing module, a control module and an LED loop, wherein the human body sensing module is connected with the LED loop through the control module, and the LED loop is connected with the LED anode port and the LED cathode port through the control module.
2. The dimming body induction control circuit of claim 1, wherein the control module comprises a voltage regulator tube, a bias resistor, a power supply resistor group and a triode;
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.
3. The dimming human body induction control circuit of claim 2, wherein the anode of the LED loop is connected to the LED anode port, and the emitter of the triode is connected to the LED cathode port.
4. The dimming human body induction control circuit according to claim 1, wherein the dimming driving module comprises a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a first resistor, a third resistor and a constant current unit;
the alternating current input end of the rectification module is connected with a power supply through the silicon controlled rectifier dimmer;
the reverse direct current output end of the rectifying module is grounded through the second diode and is connected with the constant current unit;
the forward direct current output end of the rectifier module is grounded through the first capacitor and is connected with one end of the first inductor;
the other end of the first inductor is grounded through a first resistor and a second capacitor which are sequentially connected, is grounded through the third capacitor, is connected with the constant current unit through the second inductor, is connected with the constant current unit through the third resistor, and the output end of the constant current unit is connected with the first diode.
5. The dimming human body induction control circuit according to claim 4, wherein a forward direct current output terminal of the rectifier module is connected to the anode port of the LED through the first inductor, and an output terminal of the constant current unit is connected to the cathode port of the LED through the first diode.
6. The dimming human body induction control circuit according to claim 4, wherein the constant current unit comprises a constant current chip, an external capacitor, an external resistor, a compensation capacitor, a sampling resistor and a bypass capacitor;
the constant current chip is provided with a power supply port, an overcurrent detection port, an output compensation port, a grounding port, a constant current output port, an overvoltage protection port and a current sampling port;
the power supply port is grounded through the external capacitor and the external resistor in sequence;
the overcurrent detection port is grounded through the external resistor;
the output compensation port is grounded through the compensation capacitor;
the grounding port is grounded;
the constant current output port is connected with the other end of the first inductor through the second inductor and is connected with one end of the first diode;
the overvoltage protection port is connected with the other end of the first inductor through the third resistor;
the current sampling port is connected with the reverse direct current output end of the rectifying module through the sampling resistor;
the grounding port is connected with the current sampling port through the bypass capacitor.
7. The dimmed human body induction control circuit according to claim 4, wherein said drive module further comprises a polar capacitor and/or a second resistor;
one end of the polar capacitor is connected with the forward direct current output end of the rectifying module through a first inductor, and the other end of the polar capacitor is connected with the constant current unit through the first diode;
one end of the second resistor is connected with the forward direct current output end of the rectifying module through a first inductor, and the other end of the second resistor is connected with the constant current unit through the first diode.
8. The dimming human body induction control circuit of claim 4, wherein the dimming driving circuit further comprises a first safety resistor, a second safety resistor and a voltage dependent resistor;
one alternating current input end of the rectification module is connected with a power live wire sequentially through the first safety resistor and the silicon controlled rectifier dimmer, the other alternating current input end of the rectification module is connected with a power zero line through the second safety resistor, and the rectification module is connected with the voltage dependent resistor in parallel through the two alternating current input ends.
9. The dimming body induction control circuit of claim 4, further comprising a time delay integrated into the body induction module.
10. An LED bulb lamp, characterized by comprising a bulb lamp and the dimming human body induction control circuit according to any one of claims 1-9, wherein the dimming human body induction control circuit is arranged in the bulb lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677434.2U CN213186625U (en) | 2020-08-12 | 2020-08-12 | Dimming human body induction control circuit and LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677434.2U CN213186625U (en) | 2020-08-12 | 2020-08-12 | Dimming human body induction control circuit and LED bulb lamp |
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| Publication Number | Publication Date |
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| CN213186625U true CN213186625U (en) | 2021-05-11 |
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| CN202021677434.2U Active CN213186625U (en) | 2020-08-12 | 2020-08-12 | Dimming human body induction control circuit and LED bulb lamp |
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