CN210609794U - Commercial power direct drive type LED microwave induction lamp - Google Patents
Commercial power direct drive type LED microwave induction lamp Download PDFInfo
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- CN210609794U CN210609794U CN201921472148.XU CN201921472148U CN210609794U CN 210609794 U CN210609794 U CN 210609794U CN 201921472148 U CN201921472148 U CN 201921472148U CN 210609794 U CN210609794 U CN 210609794U
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Abstract
The utility model discloses a commercial power direct drive formula LED microwave response lamp. The LED linear driving circuit, the microwave induction module circuit and the induction module power supply circuit are integrated on the same PCB substrate; one end of the LED lamp panel circuit is grounded, the other end of the LED lamp panel circuit is connected with the voltage output end of the LED linear driving circuit through the sensing signal output end of the microwave sensing module circuit, and the voltage input end of the microwave sensing module circuit is connected with the voltage output end of the sensing module power supply circuit. The utility model discloses a with the linear drive circuit of LED, microwave response module circuit and response module power supply circuit integration on same PCB base plate, not only can make whole lamps and lanterns can the lug connection commercial power, thereby guarantee the normal work of LED lamp plate circuit and microwave response module circuit, moreover through do each circuit integrate the quantity that the processing can effectively reduce the module device that lamps and lanterns constitute, for the design and the assembly degree of difficulty and production preparation and maintenance cost that reduce lamps and lanterns, the condition has been created to the volume that reduces product control part etc..
Description
Technical Field
The utility model belongs to the technical field of the illumination lamps and lanterns technique and specifically relates to a commercial power direct drive formula LED microwave response lamp.
Background
It is known that microwaves are short-wavelength, high-frequency electromagnetic waves, which are characterized by being sensitive to environmental changes in the range of action and by being able to detect environmental changes by means of microwaves. The microwave induction lamp is a common lamp which detects a human body signal by using a microwave induction principle to realize automatic switching.
Most of the existing microwave induction lamps are formed by assembling independent module devices such as a lamp shell, an LED driving power supply, an LED lamp panel, a microwave induction module, a microwave driving power supply and the like in a matched and connected mode through circuits; the LED driving power supply and the microwave driving power supply are independent monomers, so that the two power supplies are required to be respectively provided with input power supplies with different voltage values, the whole lamp cannot be directly driven and controlled by commercial power, and the design and assembly difficulty of the lamp, the volume of a lamp product and the production, manufacturing and maintenance cost of the product are increased due to the dispersed arrangement of a plurality of module devices.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art exists, the utility model aims to provide a commercial power directly drives formula LED microwave response lamp.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a commercial power direct-drive LED microwave induction lamp comprises an LED linear driving circuit, a microwave induction module circuit and an induction module power supply circuit, wherein the LED linear driving circuit is integrated on the same PCB substrate and used for converting commercial power voltage into working voltage of an LED lamp panel circuit; the LED lamp panel circuit is characterized in that one end of the LED lamp panel circuit is grounded, the other end of the LED lamp panel circuit is connected with the voltage output end of the LED linear driving circuit through the sensing signal output end of the microwave sensing module circuit, and the voltage input end of the microwave sensing module circuit is connected with the voltage output end of the sensing module power supply circuit.
Preferably, the LED linear driving circuit includes a linear constant current control chip and a first rectifier bridge, the ac input end of the first rectifier bridge serves as a commercial power connection end, the positive dc output end is connected to one end of the LED lamp panel circuit and is simultaneously grounded, the negative dc output end is connected to the output current value setting end of the linear constant current control chip, and the constant current output end of the linear constant current control chip is connected to the other end of the LED lamp panel circuit through the sensing signal output end of the microwave sensing module circuit.
Preferably, the linear constant current control chip is an L1013 type linear constant current drive IC.
Preferably, the induction module power supply circuit includes constant voltage control chip and second rectifier bridge, the built-in high-voltage MOS pipe drain electrode of constant voltage control chip is connected as commercial power link, anodal direct current output end to the alternating current input end of second rectifier bridge and connects negative pole direct current output end through first electric capacity, just the negative pole direct current output end of second rectifier bridge is as the negative pole voltage input end of microwave induction module circuit, the first resistance and the first inductance that the feedback pin of constant voltage control chip concatenated through the order are as the positive pole voltage input end of microwave induction module circuit, the negative pole direct current output end of second rectifier bridge is connected between first resistance and first inductance through first diode, through the second resistance and the second electric capacity of parallelly connected setting the positive pole voltage input end of microwave induction module circuit, just the feedback pin of constant voltage control chip still through the third resistance and the second diode that connect in proper order in series and the anodal voltage input end of microwave induction module circuit The voltage input ends are connected.
Preferably, the constant voltage control chip is a SM7033M type constant voltage control IC.
Since the technical scheme is used, the utility model discloses a with the linear drive circuit of LED, microwave response module circuit and response module power supply circuit integration on same PCB base plate, not only can make whole lamps and lanterns can the lug connection commercial power, thereby guarantee the normal work of LED lamp plate circuit and microwave response module circuit, in addition through do each circuit integrate the quantity that the processing can effectively reduce the module device that lamps and lanterns constitute, for the design and the assembly degree of difficulty and production preparation and the maintenance cost that reduce lamps and lanterns, the condition has been created to the volume that reduces product control part etc..
Drawings
Fig. 1 is a control schematic block diagram of an embodiment of the present invention;
fig. 2 is a circuit structure design diagram of an LED linear driving circuit according to an embodiment of the present invention;
fig. 3 is a circuit structure design diagram of the power supply circuit of the induction module according to the embodiment of the present invention;
fig. 4 is a circuit structure reference diagram of the microwave sensing module circuit according to the embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 4, the present embodiment provides a commercial power direct-drive LED microwave induction lamp, which includes:
the LED linear driving circuit a is connected with a mains supply to convert mains supply voltage into constant current driving voltage so as to provide working voltage for the LED lamp panel circuit d;
the microwave induction module circuit b is mainly used for outputting corresponding induction signals by inducing moving objects, so that the LED linear driving circuit a and the LED lamp panel circuit d are controlled to be switched on or switched off according to the induction signals to control the switch of the LED lamp panel circuit d;
the induction module power supply circuit c is connected with a mains supply to convert mains supply voltage into working voltage of the microwave induction module b so as to ensure the normal work of the microwave induction module circuit b;
the LED lamp panel circuit d is grounded at one end, the other end of the LED lamp panel circuit d is connected with the voltage output end of the LED linear driving circuit a through the induction signal output end of the microwave induction module circuit b, and the voltage input end of the microwave induction module circuit b is connected with the voltage output end of the induction module power supply circuit c; the LED lamp panel circuit d of the embodiment is an LED lamp panel on the existing lamp, and can be formed by connecting a plurality of LED lamp beads in series, in parallel or in a mixed manner according to actual conditions.
Therefore, the LED linear driving circuit a, the microwave induction module circuit b and the induction module power supply circuit c are integrated on the same PCB substrate e, so that the whole lamp can be directly connected with a mains supply (such as AC100-130V or AC200-240V), normal work of the LED lamp panel circuit d and the microwave induction module circuit b is guaranteed, the number of module devices formed by the lamp can be effectively reduced by integrating each circuit, and conditions are created for reducing design and assembly difficulty of the lamp, production, manufacturing and maintenance cost, volume of a product control part and the like.
As a preferable scheme, in order to simplify the circuit structure of the control system of the entire lamp to the maximum, reduce the usage amount of electronic components, and enhance the performance stability of the control system, as shown in fig. 2, the LED linear driving circuit a of the present embodiment includes a linear constant current control chip U1 (which is preferably an L1013 type linear constant current driving IC) and a first rectifier bridge E1; the alternating current input end of the first rectifier bridge E1 is used as a mains supply connection end, the positive direct current output end is connected with one end of the LED lamp panel circuit d and is grounded, the negative direct current output end is connected with the output current value setting end REXT of the linear constant current control chip U1, and the constant current output end of the linear constant current control chip U1 is connected with the other end of the LED lamp panel circuit d through the induction signal output end of the microwave induction module circuit b. Therefore, alternating current commercial power can be rectified into direct current by using the first rectifier bridge E1, and then a corresponding constant current source is provided for the starting work of the LED lamp panel circuit d by using the conversion regulation and control of the linear constant current control chip U1 on the direct current; meanwhile, the performance characteristics of the linear constant current control chip U1 are utilized to effectively reduce the complexity of the whole circuit and ensure the stability of the circuit performance.
As a preferable scheme, in order to ensure that the microwave sensing module circuit b can stably work to realize the on-off control of the LED lamp panel circuit d, as shown in fig. 3, the sensing module power supply circuit c of this embodiment includes a constant voltage control chip U2 (which is preferably an SM7033M type constant voltage control IC) and a second rectifier bridge E2; wherein, the ac input terminal of the second rectifier bridge E2 is used as the commercial power connection terminal, the positive DC output terminal is connected to the DRAIN of the built-in high voltage MOS transistor of the constant voltage control chip U2 and connected to the negative DC output terminal through the first capacitor C1, the negative DC output terminal of the second rectifier bridge E2 is used as the negative voltage input terminal DC of the microwave induction module circuit b, the feedback pin FB of the constant voltage control chip U2 is connected to the positive voltage input terminal DC of the microwave induction module circuit b through the first resistor R1 and the first inductor L1 connected in series in sequence, the negative DC output terminal of the second rectifier bridge E2 is connected to the space between the first resistor R1 and the first inductor L1 through the first diode D1, the positive voltage input terminal DC of the microwave induction module circuit b is connected to the second resistor R2 and the second capacitor C2 arranged in parallel, and the feedback pin FB of the second rectifier bridge E2 is further connected to the positive voltage input terminal DC of the microwave induction module circuit b through the third resistor R3 and the second diode D2 connected DC + is connected. Therefore, the constant voltage control chip U2 can ensure the precision of the constant voltage during the voltage conversion process, thereby providing guarantee for the stable operation of the microwave induction module circuit b.
In addition, the microwave sensing module circuit b of the present embodiment may adopt an existing microwave sensing module according to an actual situation, and may also be specifically configured with reference to fig. 4, and in fig. 4, the microwave sensing module circuit b may be divided into regions with other circuits by using the open-loop copper foil microstrip line 31 disposed on the surface of the PCB substrate e, so as to ensure the accuracy of the microwave sensing module circuit b in sensing the moving object.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (5)
1. The utility model provides a commercial power direct drive formula LED microwave response lamp which characterized in that: the LED lamp panel circuit comprises an LED linear driving circuit, a microwave induction module circuit and an induction module power supply circuit, wherein the LED linear driving circuit is integrated on the same PCB substrate and used for converting mains voltage into working voltage of the LED lamp panel circuit; the LED lamp panel circuit is characterized in that one end of the LED lamp panel circuit is grounded, the other end of the LED lamp panel circuit is connected with the voltage output end of the LED linear driving circuit through the sensing signal output end of the microwave sensing module circuit, and the voltage input end of the microwave sensing module circuit is connected with the voltage output end of the sensing module power supply circuit.
2. The utility model discloses a commercial power direct drive formula LED microwave induction lamp of claim 1, characterized in that: the LED linear driving circuit comprises a linear constant current control chip and a first rectifier bridge, wherein an alternating current input end of the first rectifier bridge is used as a mains supply connecting end, an anode direct current output end of the first rectifier bridge is connected with one end of the LED lamp panel circuit and is simultaneously grounded, a cathode direct current output end of the first rectifier bridge is connected with an output current value setting end of the linear constant current control chip, and a constant current output end of the linear constant current control chip is connected with the other end of the LED lamp panel circuit through an induction signal output end of the microwave induction module circuit.
3. The utility model discloses a commercial power direct drive formula LED microwave induction lamp of claim 2, characterized in that: the linear constant current control chip is an L1013 type linear constant current drive IC.
4. The utility model discloses a commercial power direct drive formula LED microwave induction lamp of claim 1, characterized in that: the induction module power supply circuit comprises a constant voltage control chip and a second rectifier bridge, wherein an alternating current input end of the second rectifier bridge is connected with a built-in high-voltage MOS (metal oxide semiconductor) tube drain electrode of the constant voltage control chip as a commercial power connection end and an anode direct current output end of the constant voltage control chip through a first capacitor, a cathode direct current output end of the second rectifier bridge is connected with an anode voltage input end of the microwave induction module circuit through a first resistor and a first inductor which are sequentially connected, a feedback pin of the constant voltage control chip is connected between the first resistor and the first inductor through a first diode, the anode direct current output end of the second rectifier bridge is connected with the anode voltage input end of the microwave induction module circuit through a second resistor and a second capacitor which are arranged in parallel, and the feedback pin of the constant voltage control chip is also connected with a third resistor and a second diode which are sequentially connected with the anode voltage input end of the microwave induction module circuit through a second resistor and a second capacitor which are The ends are connected.
5. The utility model discloses a commercial power direct drive formula LED microwave induction lamp of claim 4, characterized in that: the constant voltage control chip is an SM7033M type constant voltage control IC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472148.XU CN210609794U (en) | 2019-09-05 | 2019-09-05 | Commercial power direct drive type LED microwave induction lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472148.XU CN210609794U (en) | 2019-09-05 | 2019-09-05 | Commercial power direct drive type LED microwave induction lamp |
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| CN210609794U true CN210609794U (en) | 2020-05-22 |
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| CN201921472148.XU Active CN210609794U (en) | 2019-09-05 | 2019-09-05 | Commercial power direct drive type LED microwave induction lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895587A (en) * | 2022-04-25 | 2022-08-12 | 宁波市盈芯微电子科技有限公司 | Microwave sensing control module |
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2019
- 2019-09-05 CN CN201921472148.XU patent/CN210609794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895587A (en) * | 2022-04-25 | 2022-08-12 | 宁波市盈芯微电子科技有限公司 | Microwave sensing control module |
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