CN211063823U

CN211063823U - DC plug-in inductor and illuminating lamp

Info

Publication number: CN211063823U
Application number: CN201922473081.8U
Authority: CN
Inventors: 黄之涌
Original assignee: Ningbo Shengxidi Electronic Technology Co ltd
Current assignee: Ningbo Shengxidi Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-21
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a DC pulls out and inserts formula inductor and light, DC pull out and insert formula inductor and include the inductor shell, be equipped with the circuit board in the inductor shell, the integration has induction circuit on the circuit board, induction circuit includes voltage stabilizing circuit and has infrared inductor and luminosity inductor's processing circuit, the casing lateral wall is equipped with three contact pin, the contact pin is connected with voltage stabilizing circuit's the anodal power supply of voltage stabilizing circuit, voltage stabilizing circuit's power supply negative pole, processing circuit's signal output part electricity respectively. The utility model relates to a DC pulls out formula of inserting inductor, compact structure, simple to operate enable the lamp body and realize the fast switch-over between ordinary light and response lamp, low in production cost satisfies different consumer groups and service environment.

Description

DC plug-in inductor and illuminating lamp

Technical Field

The invention relates to an induction lamp, in particular to a DC plug-in type inductor and an illuminating lamp.

Background

The induction lamp is a novel intelligent lighting product which automatically controls the light source to be lightened through the induction module. The induction lamp can be automatically turned on for illumination, and can be automatically turned off in a delayed manner after people leave, so that the artificial waste of energy sources is avoided, the service life of an electric appliance is prolonged, and the functions of saving energy and facilitating security are integrated. The full-automatic human body infrared induction switch is suitable for automatic illumination, air draft and the like in places such as corridors, warehouses, garages, basements, washrooms and the like. The modernization of building intellectualization and property management is really reflected.

In the prior art, an inductor of the induction lamp and the lamp are of an integrated structure, so that the induction lamp is high in manufacturing cost and poor in use flexibility, can only be used for induction control, and affects the sales market.

Disclosure of Invention

【1】 Technical problem to be solved

The invention aims to provide a DC plug-in inductor and an induction lamp which have simple and compact structure, are convenient and quick to install and can quickly realize the conversion between the induction lamp and a common lamp.

【2】 Technical scheme for solving problems

The invention provides a DC plug-in inductor which comprises an inductor shell, wherein a circuit board is arranged in the inductor shell, an induction circuit is integrated on the circuit board, the induction circuit comprises a voltage stabilizing circuit and a processing circuit with an infrared inductor and a luminosity inductor, three contact pins are arranged on the side wall of the shell, and the contact pins are respectively and electrically connected with a power supply positive electrode of the voltage stabilizing circuit, a power supply negative electrode of the voltage stabilizing circuit and a signal output end of the processing circuit.

Furthermore, the positive power supply terminal of the voltage stabilizing circuit is connected to the first pin 31 as the input terminal of the dc power supply, the negative power supply terminal of the voltage stabilizing circuit is connected to the third pin 33, the power supply output terminal of the voltage stabilizing circuit is connected to the processing circuit and is used for supplying power to the processing circuit, and the output terminal of the processing circuit is connected to the second pin 32 as the signal output terminal for judging whether to turn on the lamp.

Further, the shell comprises an auxiliary shell 13 inserted into the lamp body during working and a main shell 11 positioned outside the lamp body during working, a limiting step surface 12 is arranged between the main shell and the auxiliary shell, and the contact pin is vertically arranged on the rear end surface of the auxiliary shell; an annular groove is formed in the side wall of the auxiliary shell, and a sealing ring 2 is arranged in the annular groove.

Further, a limiting part 121 for controlling the insertion direction of the housing is disposed on the side wall of the housing.

Furthermore, the side wall of the shell is provided with a first positioning part which is used for axial fixation after insertion.

Further, the voltage stabilizing circuit comprises a voltage stabilizing chip U1, a diode D1, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4, a third pin of the voltage stabilizing chip U1 is connected with the cathode of the diode D1, one end of the first capacitor C1 and one end of the second capacitor C2, and the anode of the diode D1 is connected with a pin and serves as a power input end; a second pin of the voltage stabilizing chip U1 is connected with one end of the third capacitor C3 and one end of the fourth capacitor C4, and a second pin of the voltage stabilizing chip U1 is used as a power supply output end and is connected with the processing circuit; the first pin of the voltage stabilizing chip U1 is connected to the other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, and the other end of the fourth capacitor C4, and the first pin of the voltage stabilizing chip U1 is connected to another pin as a power supply cathode.

Further, the first capacitor C1 and the third capacitor C3 are polar capacitors, a positive terminal of the first capacitor C1 is connected to a third pin of the voltage regulator chip U1, and a positive terminal of the third capacitor C3 is connected to a second pin of the voltage regulator chip U1.

The processing circuit comprises a processing chip U, an inductor PIR, a fifth capacitor C, a sixth capacitor C, a seventh capacitor C, an eighth capacitor C, a first resistor R, a second resistor R, a third resistor R, a fourth resistor R, a fifth resistor R, a sixth resistor R, a seventh resistor R, an eighth resistor R, a first triode Q, a second triode Q, a photoresistor CDS, a first rheostat RUX and a second rheostat RTIME, a VDD pin of the processing chip U is connected with a third pin of the inductor PIR, one end of the fifth capacitor C, one end of the sixth capacitor C, one end of the photoresistor CDS, one end of the third resistor R and a power supply end VCC of a voltage stabilizing circuit, a pin of the processing chip U is connected with a second pin of the inductor PIR, the other end of the sixth capacitor C, one end of the seventh capacitor C and one end of the first resistor R, a base electrode of the PIR, a base electrode of the second resistor R, a base electrode of the inductor PIR, a second resistor R, a collector electrode of the inductor R, a second resistor UX of the inductor PIR, a second resistor R, a third resistor R, a fourth resistor R, a third resistor R resistor, a fourth resistor R resistor, a third resistor, a fourth resistor R resistor, a fourth resistor, a third resistor R resistor, a fourth resistor, a fifth resistor, a third resistor R resistor, a fifth resistor R resistor, a fifth resistor, a third resistor, a fifth resistor, a third resistor, a fifth resistor.

Meanwhile, the invention also provides a lamp body, wherein a lamp and a lighting circuit connected with the lamp are arranged in the lamp body, and an open-drain control circuit is arranged on the lighting circuit; an inductor slot for inserting the DC plug-in type inductor is formed in the side wall of the lamp body, three jacks corresponding to the contact pins are formed in the bottom of the inductor slot, and the three jacks are respectively connected with a power supply positive electrode, a power supply negative electrode and a signal input end of the open-leakage control circuit; when the inductor is not installed, the lighting circuit is at a high level, and the lamp is controlled by a switch circuit at the front end of the lighting circuit; when the inductor is installed, the signal output end of the induction circuit pulls down the level of the lighting circuit through the open-drain control circuit, and the lamp is controlled through the induction circuit.

Furthermore, the side wall of the inductor slot is provided with a locking device for fixing the DC plug-in inductor.

【3】 Advantageous effects

The DC plug-in inductor has compact structure and convenient installation, can realize quick switching of the lamp body between the common illuminating lamp and the induction lamp, has low production cost, and meets different consumer groups and use environments; the inductor is powered by direct current low voltage, so that the safety factor is high; the induction circuit is optimized, and the induction effect is good; the three-pin design has the advantages of convenient and quick installation, good connection effect and low manufacturing cost; the side wall of the shell is provided with the sealing ring, the sealing effect is good, and the sealing ring has a certain fixing function; the limiting step surface is arranged, so that the mounting reliability and stability are improved, and the structure attractiveness can be improved; the positioning structure is arranged, so that the reliability and the accuracy of the connection between the inductor and the lamp body are improved, and the anti-theft function is realized, so that the operation of non-related personnel is avoided; the rear hidden knob is convenient to adjust, is hidden in the lamp body after being installed, avoids exposure, improves the attractiveness and can avoid operation of irrelevant personnel; the lighting lamp provided by the invention can realize quick switching between the induction lamp and the common lamp, when the inductor is not installed, the switch is directly used for controlling, and the inductor slot is not required to be inserted into a plug short circuit, so that the production cost is reduced, the integral attractiveness is improved, and the lighting lamp is safe and reliable; set up second location portion or locking means at the lamp body lateral wall, carry out mechanical fastening to the inductor, improve the connection reliability, and can avoid the operation of non-relevant personnel.

Drawings

FIG. 1 is a diagram of a voltage stabilizing circuit of a DC plug-in inductor according to the present invention;

FIG. 2 is a processing circuit diagram of a DC pluggable inductor according to the present invention;

FIG. 3 is a schematic structural diagram of a DC pluggable inductor according to the present invention;

FIG. 4 is a schematic view of another angle structure of a DC pluggable inductor according to the present invention;

FIG. 5 is a rear view of a DC pluggable inductor according to the present invention;

FIG. 6 is a schematic view of an installation of a DC pluggable inductor according to the present invention;

FIG. 7 is a fixed structure diagram of a DC pluggable inductor according to a first embodiment of the present invention;

FIG. 8 is a fixed structure diagram of a second embodiment of a DC pluggable inductor according to the present invention;

FIG. 9 is a fixed structure diagram of a third embodiment of a DC pluggable inductor according to the present invention;

FIG. 10 is a schematic circuit diagram of a first embodiment of the illumination lamp according to the present invention;

FIG. 11 is a schematic circuit diagram of a second embodiment of the illumination lamp according to the present invention;

fig. 12 is a schematic circuit diagram of a third embodiment of the illumination lamp of the present invention.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1 to 9, the present invention provides a DC plug-in inductor, which comprises an inductor housing, a PCB circuit board disposed in the inductor housing, and an inductive circuit integrated on the PCB circuit board, wherein the inductive circuit comprises a voltage stabilizing circuit and a processing circuit having an infrared sensor and a luminosity sensor, the voltage stabilizing circuit has a power supply positive terminal DC, a power supply negative terminal GND, and a power supply output terminal VCC, wherein the power supply positive terminal DC and the power supply negative terminal GND serve as power connection terminals of the inductor, a voltage input terminal of the processing circuit is connected to the power supply output terminal VCC of the voltage stabilizing circuit, i.e., the power supply output terminal VCC of the voltage stabilizing circuit supplies power to the processing circuit, a negative terminal of the processing circuit is connected to the power supply negative terminal GND of the voltage stabilizing circuit, an output terminal of the processing circuit serves as an electrical signal output terminal for controlling the on and off of a lamp, three contact pins are disposed on a, The lamp comprises a second pin 32 and a third pin 33, wherein the first pin 31 is connected with a power supply positive electrode (DC) of a voltage stabilizing circuit, the circuit is a direct current circuit, and power is supplied by direct current (DC5-12V) of a lamp body, so that the safety factor is high; the third pin 33 is connected with a power supply cathode GND, the first pin 31 and the third pin 33 are used as power supply connection ends of the inductor, the second pin 32 is connected with an induction output end of the processing circuit and used for outputting induction electric signals, the signal end is connected with a leakage-open output control circuit on an illumination circuit in the lamp and used for pulling a control end of the illumination circuit to be at a low level, the control end is used for controlling the lamp to be turned on and off, when the control end is at the low level, the lamp is not on, and when the control end is at the high level, the lamp is on; when the sensor detects a human body, the sensor outputs an electric signal and pulls the control end to a high level, and the lamp is on; when the inductor does not detect a human body, the control end of the lighting circuit is at a low level, and the lamp is in an off state. This inductor is whole to be equivalent to the public affairs of taking the inductor to insert, can draw down the lamp in lighting circuit's control end level, be equipped with on the lamp body and hold public affairs of inserting (inductor) male mother and insert (inductor slot), can realize the quick electricity of present between inductor and the lamp and connect and the structural connection, in operation, the inductor inserts the lamp body, the circuit of this inductor and the circuit connection of lamps and lanterns, lighting circuit is the power supply of this inductor through first contact pin 31 and third contact pin 33, the output signal end and the control circuit connection that leaks of inductor, this circuit is used for opening or closing of control lamp.

The voltage stabilizing circuit and the processing circuit of the induction circuit are explained in detail below;

referring to fig. 1, the voltage stabilizing circuit includes a voltage stabilizing chip U1, a diode D1, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4, a third pin of the voltage stabilizing chip U1 is connected to a negative electrode of the diode D1, one end of the first capacitor C1 and one end of the second capacitor C2, and an anode of the diode D1 is connected to a pin (the first pin 31) and serves as a power input terminal (a power supply anode); a second pin of the voltage stabilizing chip U1 is connected to one end of the third capacitor C3 and one end of the fourth capacitor C4, and the second pin of the voltage stabilizing chip U1 is connected to the processing circuit as a power supply terminal VCC and is used for supplying power to the processing circuit; a first pin of the voltage stabilization chip U1 is connected to the other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, and the other end of the fourth capacitor C4, and a first pin of the voltage stabilization chip U1 is connected to another pin (the third socket 33) as a power supply negative electrode, wherein the first capacitor C1 and the third capacitor C3 are polar capacitors, a positive electrode of the first capacitor C1 is connected to a third pin of the voltage stabilization chip U1, and a positive electrode of the third capacitor C3 is connected to a second pin of the voltage stabilization chip U1.

Referring to fig. 2, the processing circuit includes a processing chip U2, an inductor PIR, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a first triode Q1, a second triode Q2, a photo resistor CDS, a first varistor R1_LUXA second varistor R_TIMEA VDD pin (a first pin) of the processing chip U2 is connected with a third pin of the sensor PIR, one end of a fifth capacitor C5, one end of a sixth capacitor C6, one end of a photoresistor CDS, one end of a third resistor R3 and a power supply end VCC of a voltage stabilizing circuit, a PIR pin (a second pin) of the processing chip U2 is connected with a second pin of the sensor PIR, the other end of a sixth capacitor C6, one end of a seventh capacitor C7, one end of an eighth capacitor C8 and one end of a first resistor R1, and a CDS pin (a third pin) of the processing chip U2 is connected with the other end of the photoresistor CDS and the other end of a first rheostat R_LUXOne end and the first rheostat R_LUXA contact terminal (P terminal), a TC L pin (a fourth pin) of the processing chip U2 is connected with the other end of the third resistor R3 and the second rheostat R_TIMEOne end and a second varistor R_TIMEA contact terminal (P terminal), an OUT pin (seventh pin) of the processing chip U2 is connected with one end of a sixth resistor R6, an SENS pin (sixth pin) of the processing chip U2 is connected with one end of a fourth resistor R4 and one end of a fifth resistor R5, the other end of the sixth resistor R6 is connected with one end of a seventh resistor R7 and the base of a first triode Q1, the collector of the first triode Q1 is connected with the other end of a seventh resistor R7, one end of an eighth resistor R8 and the base of a second triode Q2, and a first rheostat R_LUXThe other end of the inductor PIR is connected with one end of a second resistor R2, the first pin of the inductor PIR, the other end of a seventh capacitor C7, the other end of an eighth capacitor C8, the other end of a first resistor R1, the other end of a second resistor R2 and a second rheostat R_TIMEThe other end, the other end of a fifth capacitor C5, the other end of a fifth resistor R5, an emitting electrode of a first triode Q1, an emitting electrode of a second triode Q2 and a GND pin (a fifth pin) of a processing chip U2 are connected with a power supply negative electrode GND, the other end of a fourth resistor R4 and the other end of an eighth resistor R8 are connected with a power supply end VCC of a voltage stabilizing circuit, and a collector of the second triode Q2 is used as a signal inputThe output end is electrically connected with a contact pin, the signal is used as a switching signal for turning on and off the lamp, and the first rheostat R_LUXFor regulating illuminance, a second rheostat R_TIMEFor adjusting the delay time.

The inductor adopts a direct current mode, the working voltage of the inductor is 5-12V, the voltage is low, and the inductor is safe and reliable; when the inductor is connected with the lamp, the three sockets are respectively used as a power supply anode, a power supply cathode and induction signal output to be connected to a driving circuit of the lamp, the induction signal output determines the on or off of the lamp, and when the inductor induces a human body, the induction circuit generates an induction signal to enable the driving circuit of the lamp to generate a high level, and the lamp is turned on; when the sensor does not sense the human body, no sensing signal is generated, the driving circuit of the lamp is at a low level, and the lamp is not turned on.

The structure of the inductor is explained as follows:

referring to fig. 3-5, the sensor includes a sensor housing, the sensor housing includes an auxiliary housing 13 inserted into the lamp body during operation and a main housing 11 located outside the lamp body during operation, a PCB is disposed in the housing, both the sensing circuit and the sensor are disposed on the PCB, a working window allowing infrared light to pass through is disposed at the front end of the main housing, the working surface of the sensor faces the working window, and the front end of the working window is a working detection area; a limiting step surface 12 is arranged between the main shell and the auxiliary shell and is used for axially positioning the inductor during installation, and when the inductor is inserted into the lamp body, the limiting step surface is contacted (attached) with the surface of the lamp body;

the limiting step surface can have the following two structural forms:

the first embodiment is as follows: in the inductor shell, specifically, an annular bulge is arranged between the main shell and the auxiliary shell, and a limiting step surface is formed on one side of the annular bulge facing the auxiliary shell (a contact pin);

example two: the side wall of the sub-housing (insertion portion) of the inductor is smaller in diameter than the main housing (exposed portion) to form a width difference similar to that of the shoulder, thereby creating a limit step surface.

The contact pin is vertically arranged on the rear end face of the auxiliary shellIn an embodiment, the pins include a first pin 31, a second pin 32 and a third pin 33 which are horizontally arranged, wherein the first pin 31 is used as a positive pole of a direct current input end to be connected with a power supply positive pole DC + of a voltage stabilizing circuit, the third pin 33 is used as a negative pole to be connected with a power supply negative pole of the voltage stabilizing circuit, the second pin 33 is used as a signal output end to be connected with an induction output end of a processing circuit, the first pin 31 and the third pin 33 are two power supply ends, and the second pin 32 is a signal end for turning on a lamp; after insertion, the sub-housing of the housing is located in the lamp body and is equivalent to a plug (male plug), two concave holes 131 are further formed in the rear end face of the sub-housing, a knob 30 capable of being manually adjusted is arranged in each concave hole, the height of each knob is smaller than the depth of each concave hole, and the two knobs are respectively connected with the first rheostat R_LUXA second varistor R_TIMEThe connection is used for adjusting the illumination and the delay time respectively, the side wall of the concave hole is provided with a limiting part 132, and the knob is contacted with the limiting part after rotating to a certain angle and is used for controlling the rotation angle of the knob, so that the rheostat is prevented from being damaged by over-stroke rotation. An annular groove is formed in the side wall of the auxiliary shell, a sealing ring 2 is arranged in the annular groove, and when the auxiliary shell is installed, the side wall of the sealing ring is in contact extrusion with the side wall of the lamp body slot, so that a sealing effect is achieved; in this embodiment, the sealing ring is disposed on a side away from the limiting step surface and on a rear end surface of the sub-housing.

The cross section of inductor casing is rectangle or circular, in order to avoid inserting the angle direction mistake and, be equipped with the spacing portion 121 that is used for controlling its direction of insertion at the lateral wall of casing, specifically, this spacing portion installs on sub-casing lateral wall or spacing step face, when setting up at sub-casing lateral wall, it is located and is close to spacing step face one side, this spacing portion is a arch, be equipped with the recess that corresponds with this arch in the inductor slot of lamp body simultaneously, during the installation, make the arch on the inductor aim at the recess on the inductor slot of lamp body and insert, realize fast, make the contact pin accurately insert.

In order to fix the inductor after being inserted into the lamp body and avoid loosening to influence normal work, a first positioning part is arranged on the side wall of the shell and located between the positioning step surface and the sealing ring, the first positioning part is used for fixing the inductor after being inserted into the inductor slot, and meanwhile, a second positioning part or a locking device corresponding to the first positioning part is arranged on the slot of the lamp shell. The first positioning part is a positioning hole or a clamping groove, the positioning hole is used for fixing a bolt or an ejector pin capable of moving axially, and the clamping groove can be fixed through a lock tongue (clamping block) capable of moving axially.

Meanwhile, the invention also provides an illuminating lamp using the DC plug-in type inductor, which comprises a lamp body 4, wherein a lamp and an illuminating circuit connected with the lamp are arranged in the lamp body, a leakage output control circuit is arranged on the illuminating circuit, the leakage output control circuit is used as a switch control end of the lamp to control the opening or closing of the illuminating lamp, when the inductor is not connected, the lamp is a common illuminating lamp, the output end of the leakage output control circuit is at a high level, and the lamp is directly controlled by a manual switch at the front end of the lamp; when the inductor is connected, the output end of the inductor pulls the output end of the open-drain output control circuit to be at a low level, the illuminating lamp is converted into an induction lamp and is controlled by the inductor, and when the inductor induces a human body, the inductor generates an electric signal and enables the open-drain output control circuit to output a high level, and the lamp is on; when the human body is not sensed, the sensor does not generate an electric signal, the output end of the open-drain output control circuit is in a low level state, and the lamp is in a closed state. I.e. high level, the lamp is on, and low level, the lamp is off.

The input end of the illuminating lamp can be direct current or alternating current;

in the first embodiment, referring to fig. 10, when alternating current is adopted, a lighting circuit of a lamp comprises a switch circuit, a rectifying circuit, a leakage output control circuit, a driving circuit and an L ED lighting module which are connected in sequence, wherein the switch circuit is a wall switch and is operated manually, the rectifying circuit converts alternating current into direct current, the leakage output control circuit is connected with three jacks in an inductor slot on the side wall of a lamp body, two jacks are used as a power source positive pole and a power source negative pole and are respectively connected with a first contact pin and a third contact pin and used for supplying direct current to an inductor, the other jack is connected with an output end of induced current in the inductor and used for level reduction, the driving circuit is used for driving a lighting lamp to be on, the L ED lamp source is used as a L ED lamp source, when a plug-in-type inductor is inserted into the lamp body, an induction circuit in the inductor is connected with a lighting circuit in the lamp, an output end OUT of the induction circuit of the inductor is used for level reduction of the leakage output control circuit, after the inductor is installed, the wall switch at the front end is in an open state, the lamp is switched on, when the induction circuit is switched on, the output electrical signal is switched on, and the leakage lamp is switched to be a high level when the leakage lamp and the leakage lamp is not switched off, the leakage lamp is sensed, and the leakage lamp is switched to be a normal leakage lamp.

In the second embodiment, referring to fig. 11, when direct current is adopted, the lighting circuit of the lamp comprises a switch circuit, a leakage output control circuit, a DC-DC drive circuit and an L ED lighting module which are connected in sequence, wherein the switch circuit is a wall switch, and is manually operated, the leakage output control circuit is connected with three jacks in an inductor slot on the side wall of a lamp body, two jacks are used as a power source positive pole and a power source negative pole respectively connected with a first contact pin and a third contact pin for supplying direct current to the inductor, the other jack is connected with an output end of induced current in the inductor for pulling down the level, the drive circuit is used for driving a lighting lamp to be on, and the L ED lighting module is a L ED lamp source.

In a third embodiment, a lighting circuit of a lamp is illustrated in this embodiment, referring to fig. 12, the lamp includes a processing chip U including a bridge rectifier diode DB, a voltage-sensitive resistor RV, an eleventh capacitor C, a twelfth capacitor C, a thirteenth capacitor C, an eleventh resistor R, a twelfth resistor R, a thirteenth resistor R, a fourteenth resistor R, a fifteenth resistor R, a sixteenth resistor R, a seventeenth resistor R, an eighteenth resistor R and a zener diode Z, wherein the eleventh resistor R and the twelfth resistor R are connected in series to form a first resistor group, the fourteenth resistor R and the fifteenth resistor R are connected in series to form a second resistor group, a first pin (VDD) of the processing chip U is connected to one end of the second resistor group, one end of the zener diode Z, one end of the thirteenth capacitor C, one end of the sixteenth resistor R, a second pin (EN) of the processing chip U is connected to the other end of the sixteenth resistor R, a third pin (VCP) of the processing chip U is connected to one end of the first resistor group, one end of the thirteenth resistor R, one end of the twelfth capacitor C, a second pin (CS) of the processing chip U is connected to a corresponding to a positive terminal of the thirteenth resistor R, a corresponding to a power supply voltage supply terminal of the processing chip, a resistor R, the seventeenth diode DB, the resistor R is connected to the other terminal of the seventeenth diode DB, and a corresponding to the seventeenth diode, a corresponding to the processing chip, and a corresponding to the power supply voltage source terminal of the resistor R, and a corresponding to the processing chip, a corresponding to the resistor R, and a corresponding to the resistor R, a corresponding to the processing chip, and a corresponding to the power supply terminal of the processing chip, and a corresponding to the processing chip, the resistor R, the processing chip, the resistor R is connected to the other terminal of the power supply terminal of the resistor R, and the resistor R, the resistor R is connected to the power supply terminal of the resistor R, the processing chip, the resistor R is connected to the power supply terminal of the resistor.

Offer the lateral wall at the lamp body and hold above-mentioned DC and pull out the male inductor slot 401 of formula inductor, when inserting the inductor in the slot, this light is the response lamp of opening through the inductor, after pulling out the inductor, this lamp is the ordinary lamp of opening or closing through manual switch, be equipped with lid or cock body at this inductor slot mouth, lid or cock body can be dismantled, when not installing the inductor, it can cover the inductor slot, avoid dust or other debris to get into, improve pleasing to the eye degree simultaneously. The bottom of the inductor slot is provided with three jacks corresponding to the contact pins, the three jacks are respectively connected with a power supply positive electrode, a power supply negative electrode and a signal input end of the driving circuit, the power supply positive electrode and the power supply negative electrode provide 5-12V direct current, the signal input end is connected with the driving circuit, when the inductor induces a human body, the sensing circuit generates a sensing signal, the driving circuit of the lamp generates a high level, the lamp is turned on, and the lamp is turned off after the time delay switch is timed; when the sensor does not sense the human body, no sensing signal is generated, the driving circuit of the lamp is at a low level, and the lamp is not turned on.

Thereby be equipped with the first location portion that corresponds with the inductor lateral wall at the lateral wall of inductor slot and realize fixed second location portion or locking means.

The structure of the second positioning portion or the locking device may include the following:

the first embodiment is as follows: referring to fig. 7, in this embodiment, the first positioning portion of the side wall of the sensor is a circular concave hole, a screw hole 402 is formed through the side wall of the sensor slot of the lamp body, the screw hole is a countersunk hole, when the sensor is mounted to the limiting step surface of the sensor and is attached to the lamp body housing, the concave hole of the side wall of the sensor is coaxial with the countersunk hole, a fixing bolt 6 is mounted in the screw hole, and the head of the fixing bolt 6 is sleeved in the concave hole, so as to fix the sensor, and in order to achieve the anti-theft function, the fixing bolt is an anti-theft bolt, which can only be operated by a special tool.

Example two: referring to fig. 8, in this embodiment, the first positioning portion of the inductor is a first arc-shaped protrusion 1301, a second arc-shaped protrusion 401 is disposed on a side wall of the induction slot of the lamp body, when the inductor is mounted to the limiting step surface of the inductor to be attached to the lamp body casing, the second arc-shaped protrusion 401 is located between the first arc-shaped protrusion and the limiting step surface, and the side wall of the second arc-shaped protrusion contacts with the side wall of the first arc-shaped protrusion, so as to achieve engagement fixation and complete fixation of the inductor, in this embodiment, a difference d1 between the coincidence heights of the first positioning portion 1301 and the second positioning portion 401 is 0.5-1 mm.

Example three: referring to fig. 9, in the present embodiment, the first positioning portion of the sensor is a concave hole or a groove or a slot with a triangular cross section, a locking device is disposed in a side wall of the sensor slot of the lamp body, the locking device comprises a slide bar 71 which is axially matched in a sliding way, the sliding direction of the slide bar is vertical to the side wall of the inductor slot, a spring 72 is arranged on the shell of the lamp body, the spring 72 makes the slide rod move towards the slot direction, the head of the slide rod can extend into the inductor slot, when the inductor is mounted to the position-limiting step surface of the inductor and is jointed with the lamp body shell, the slide bar is coaxial with the first positioning part, and under the action of the elastic force of the spring, the lock tongue at the head of the slide bar is clamped in the first positioning part, thereby realizing the fixation of the inductor, the side wall of the lamp body shell is provided with a concave hole 403, the tail part of the sliding rod is positioned in the concave hole, the tail part of the sliding rod is provided with a hole or a hook 73, and the inductor unlocking can be realized by hooking the hole or the hook by a tool and pulling outwards.

Example four: not shown in the figure, the first location portion of inductor is the arc recess, is equipped with the arc arch that corresponds with the arc recess at the lateral wall of inductor, and the inductor is installed to its spacing step face when laminating in lamp body casing, and arc arch card is gone into in the arc recess to accomplish fixedly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A DC pluggable inductor, comprising: the infrared sensor comprises an inductor shell, wherein a circuit board is arranged in the inductor shell, an induction circuit is integrated on the circuit board and comprises a voltage stabilizing circuit and a processing circuit with an infrared sensor and a luminosity sensor, three contact pins are arranged on the side wall of the shell, and the contact pins are respectively and electrically connected with a power supply positive electrode of the voltage stabilizing circuit, a power supply negative electrode of the voltage stabilizing circuit and a signal output end of the processing circuit.

2. The DC pluggable inductor of claim 1, wherein: the power supply positive electrode of the voltage stabilizing circuit is used as a direct-current power supply input end and connected with the first contact pin, the power supply negative electrode of the voltage stabilizing circuit is connected with the third contact pin, the power supply output end of the voltage stabilizing circuit is connected with the processing circuit and used for supplying power to the processing circuit, and the output end of the processing circuit is used as a signal output end for judging whether the lamp is on and connected with the second contact pin.

3. The DC pluggable inductor of claim 1, wherein: the shell comprises an auxiliary shell inserted into the lamp body during working and a main shell positioned outside the lamp body during working, a limiting step surface is arranged between the main shell and the auxiliary shell, and the contact pin is vertically arranged on the rear end surface of the auxiliary shell; an annular groove is formed in the side wall of the auxiliary shell, and a sealing ring is arranged in the annular groove.

4. The DC pluggable inductor of claim 1, wherein: the lateral wall of casing is equipped with the spacing portion that is used for controlling its direction of insertion.

5. The DC pluggable inductor of claim 1, wherein: the lateral wall of casing is equipped with the first location portion that carries out axial fixity after being used for inserting.

6. The DC pluggable inductor of claim 1, wherein: the voltage stabilizing circuit comprises a voltage stabilizing chip U1, a diode D1, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4, a third pin of the voltage stabilizing chip U1 is connected with the cathode of the diode D1, one end of the first capacitor C1 and one end of the second capacitor C2, and the anode of the diode D1 is connected with a contact pin and serves as a power supply input end; a second pin of the voltage stabilizing chip U1 is connected with one end of the third capacitor C3 and one end of the fourth capacitor C4, and a second pin of the voltage stabilizing chip U1 is used as a power supply output end and is connected with the processing circuit; the first pin of the voltage stabilizing chip U1 is connected with the other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3 and the other end of the fourth capacitor C4, and the first pin of the voltage stabilizing chip U1 is connected with another pin as a power supply cathode.

7. The DC pluggable inductor of claim 6, wherein: the first capacitor C1 and the third capacitor C3 are polar capacitors, the positive terminal of the first capacitor C1 is connected to the third pin of the voltage stabilization chip U1, and the positive terminal of the third capacitor C3 is connected to the second pin of the voltage stabilization chip U1.

8. The DC pluggable inductor of claim 1, wherein: the processing circuit comprises a processing chip U2, an inductor PIR, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a first triode Q1, a second triode Q2, a photoresistor CDS, a first rheostat R1_LUXA second varistor R_TIMEA VDD pin of the processing chip U2 is connected with a third pin of the sensor PIR, one end of a fifth capacitor C5, one end of a sixth capacitor C6, one end of a photoresistor CDS, one end of a third resistor R3 and a power supply end VCC of a voltage stabilizing circuit, a PIR pin of the processing chip U2 is connected with a second pin of the sensor PIR, the other end of a sixth capacitor C6, one end of a seventh capacitor C7, one end of an eighth capacitor C8 and one end of a first resistor R1, a CDS pin of the processing chip U2 is connected with the other end of the photoresistor CDS, the other end of the first rheostat R1_LUXOne end and the first rheostat R_LUXThe TC L pin of the processing chip U2 is connected with the other end of the third resistor R3 and the second rheostat R_TIMEOne end and a second varistor R_TIMEThe OUT pin of the processing chip U2 is connected with one end of a sixth resistor R6, the SENS pin of the processing chip U2 is connected with one end of a fourth resistor R4 and one end of a fifth resistor R5, the other end of the sixth resistor R6 is connected with one end of a seventh resistor R7 and the base electrode of a first triode Q1, the collector electrode of the first triode Q1 is connected with the other end of the seventh resistor R7, one end of an eighth resistor R8 and the base electrode of a second triode Q2, and the first rheostat R is connected with the base electrode of a resistor R7_LUXThe other end of the inductor PIR is connected with one end of a second resistor R2, the first pin of the inductor PIR, the other end of a seventh capacitor C7, the other end of an eighth capacitor C8, the other end of a first resistor R1, the other end of a second resistor R2 and a second rheostat R_TIMEThe other end of the third resistor, the other end of the fifth capacitor C5, the other end of the fifth resistor R5, an emitting electrode of the first triode Q1, an emitting electrode of the second triode Q2, and a GND pin of the processing chip U2 are connected with a power supply negative electrodeAnd the other end of the fourth resistor R4 and the other end of the eighth resistor R8 are connected with a power supply terminal VCC, and the collector of the second triode Q2 is electrically connected with a contact pin as a signal output end.

9. A lighting lamp using the DC pluggable inductor of any one of claims 1 to 8, characterized in that: the LED lamp comprises a lamp body, wherein a lamp and a lighting circuit connected with the lamp are arranged in the lamp body, and an open-drain output control circuit is arranged on the lighting circuit; an inductor slot for inserting the DC plug-in type inductor is formed in the side wall of the lamp body, three jacks corresponding to the contact pins are formed in the bottom of the inductor slot, and the three jacks are respectively connected with a power supply positive electrode, a power supply negative electrode and a signal input end of the open-drain output control circuit; when the inductor is not installed, the lighting circuit is at a high level, and the lamp is controlled by a switch circuit at the front end of the lighting circuit; when the inductor is installed, the signal output end of the induction circuit pulls down the level of the lighting circuit through the open-drain control circuit, and the lamp is controlled through the induction circuit.

10. The lighting lamp according to claim 9, wherein: and a locking device for fixing the DC plug-in inductor is arranged on the side wall of the inductor slot.