CN206656167U

CN206656167U - Bulb lamp and its circuit

Info

Publication number: CN206656167U
Application number: CN201720365796.XU
Authority: CN
Inventors: 方震
Original assignee: SHENZHEN GOLD HILL INDUSTRY Co Ltd
Current assignee: SHENZHEN GOLD HILL INDUSTRY Co Ltd
Priority date: 2017-04-07
Filing date: 2017-04-07
Publication date: 2017-11-21
Anticipated expiration: 2027-04-07

Abstract

The utility model proposes a kind of bulb lamp and its circuit, wherein, bulb lamp circuit includes the first LED (400) and the second LED (500), and is connected respectively with the first LED (400) and the second LED (500) after rectified circuit (200) and reduction voltage circuit (300) successively, for the AC power (100) to the first LED (400) and the second LED (500) power supply；Bulb lamp circuit also includes dc source (800), and the dc source (800) is connected after power-off telegram in reply switching circuit (900) with the second LED (500)；AC power (100) is electrically connected with power-off telegram in reply switching circuit (900), power-off telegram in reply switching circuit (900) is disconnected for the conducting power-off telegram in reply switching circuit (900) when AC power (100) is breaking and in AC power (100) path, so as to control power supply of the dc source (800) to the second LED (500).Bulb lamp of the present utility model is ingenious in design, practical.

Description

Bulb lamp and its circuit

Technical field

It the utility model is related to field of light fittings, more particularly to a kind of bulb lamp and its circuit.

Background technology

General power-off lighting product, only light uses when having a power failure, due to long-time failure to inspect, when meet really power failure, Power off or occur emergency escape need illumination when, beginning know rechargeable battery out of power or damage already, often make us depressed with holding one's own wrist； And urgent automatic lighting lamp is not the indispensable product of every household, and bulb lamp is reading conventional at home, write illuminating lamp Tool, stop power off automatic illuminating function if assigning, to make the formula bulb lamp that do not have a power failure, or may replace power-off lighting lamp apparatus, but If being only that directly the technology of existing power failure automatic illuminating is moved on to not have a power failure on formula bulb lamp, when meeting is because of savings battery Voltage be gradually reduced the uniform and stable property that problem has influence on normal illumination；That is, the design for the formula bulb lamp that do not have a power failure, because of battery Often keep charging standby, function of supplying power of the battery when shutting off power in emergency can be greatly improved, stopping power off except chance must possess It is whether uniform and stable using battery electric power as illumination during illumination outside urgent automatic illuminating function, then it is to be related to usually to make Source mass when being the long-time reading lighting of bulb lamp or being illuminated as action, and it is used as Emergency Power or Mobile electric power Use, even more will be under light and limited battery capacity requirement, using the teaching of the invention it is possible to provide and stable electric power exports to external loading, and Must also possess the safeguard protection of overload or short circuit, could be really in accordance with practicality；So how to reach these requirements, not have a power failure The problem that the design of formula bulb lamp must be solved or faced.

Utility model content

The purpose of this utility model is to be directed to above-mentioned technical problem, it is proposed that a kind of bulb lamp and its circuit.

The technical scheme in the invention for solving the technical problem is：

The utility model proposes a kind of bulb lamp circuit, including the first LED and the second LED, and successively through whole It is connected respectively with the first LED and the second LED after current circuit and reduction voltage circuit, for the first LED and the confession of the second LED The AC power of electricity；

Bulb lamp circuit also includes dc source, the dc source after switching circuit is sent a telegram in reply in power-off with the second LED phase Even；AC power is electrically connected with power-off telegram in reply switching circuit, for the conducting power-off telegram in reply switching electricity in AC power open circuit Road simultaneously disconnects power-off telegram in reply switching circuit in AC power path, so as to control power supply of the dc source to the second LED；

AC power is successively after rectification circuit and reduction voltage circuit, after also charged control circuit, with dc source It is connected, for being charged to dc source.

In the above-mentioned bulb lamp circuit of the utility model, reduction voltage circuit includes the first chip, the model of first chip OB3615PJP, the VDD pins of the first chip are followed by rectification circuit through the 6th protective resistor and the 5th protective resistor；First The FB pins of chip are positive successively to be followed by through the first light emitting diode and the second light emitting diode after the 12nd protective resistor Ground；First LED is the first light emitting diode；Second LED is the second light emitting diode.

In the above-mentioned bulb lamp circuit of the utility model, the CS pins of the first chip are successively through the 7th protective resistor and the After three iron core inductors, it is electrically connected with the positive pole of the first light emitting diode；The CS pins of first chip are successively through the 7th protection After resistor and the 3rd iron core inductor, the FB pins also through the 12nd protective resistor (R12) and the first chip are electrically connected with； The CS pins of first chip are grounded after the 7th protective resistor；The CS pins of first chip are also followed by through the 8th protective resistor Ground；The CS pins of first chip are also reversely grounded after the first voltage-regulator diode；The FB pins of first chip are also through the 9th protection It is grounded after resistor；The FB pins of first chip are after the 12nd protective resistor, also respectively through the 4th filter condenser and It is grounded after 13 protective resistors；The VDD pins of first chip are also grounded after the 5th filter condenser；The GND of first chip Pin is grounded；First DRAIN pins of the first chip are electrically connected with rectification circuit, and the first DRAIN pins of the first chip are also It is electrically connected with the 2nd DRAIN pins of the first chip.

In the above-mentioned bulb lamp circuit of the utility model, charging control circuit includes fourth chip, the type of the fourth chip Number it is MC34063, the VCC pin of fourth chip connects reduction voltage circuit；The SWE pins of fourth chip are through the 4th iron core inductor and just Be followed by dc source to through anti-backflow diode, the CH pins of fourth chip after the 25th protective resistor forward direction through anti-down Stream diode is followed by dc source.

In the above-mentioned bulb lamp circuit of the utility model, the SWC pins of fourth chip, the DRC pins of fourth chip and The IPK pins of fourth chip are electrically connected with each other；The IPK pins of fourth chip are after the 26th protective resistor, through the tenth It is grounded after one filter condenser；The IPK pins of fourth chip are after the 26th protective resistor, also through the tenth filter condenser Ground connection；The VCC pin of fourth chip is grounded after the 11st filter condenser and the tenth filter condenser respectively；Fourth chip GND pin is grounded, and the TC pins of fourth chip are grounded after the 9th filter condenser；The SWC pins of fourth chip are reversely through It is grounded after four fly-wheel diodes.

In the above-mentioned bulb lamp circuit of the utility model, power-off telegram in reply switching circuit includes the second metal-oxide-semiconductor, the second metal-oxide-semiconductor Drain electrode be followed by the second LED through the 15th protective resistor；The source electrode of second metal-oxide-semiconductor connects dc source；Power-off telegram in reply switching Circuit also includes the first triode, the 3rd triode, and the emitter stage of the first triode connects dc source；The current collection of first triode Pole is electrically connected with after the 19th protective resistor with the base stage of the 3rd triode, and the colelctor electrode of the 3rd triode is protected through the 18th Shield resistor is followed by the gate pole of the second metal-oxide-semiconductor, the grounded emitter of the 3rd triode；The base stage forward direction of first triode is through the 3rd After fly-wheel diode, after the 23rd protective resistor, the 21st protective resistor and the 21st A protective resistors, The zero line of AC power is followed by through the first protective resistor again；The zero line side of AC power through the 22nd A protective resistors, It is grounded after 22nd protective resistor；The zero line side of AC power is through the 22nd A protective resistors, the 22nd protection electricity Also through the 11st protective resistor after resistance device, then the base stage electric connection with the 3rd triode.

In the above-mentioned bulb lamp circuit of the utility model, dc source includes battery, and DC control circuit includes the second core Piece and the 3rd chip, the model MH8205S of the second chip, the model MHDW16 of the 3rd chip, the S1 pins of the second chip Connect the negative pole of battery, the S2 pins ground connection of the second chip；The G2 pins of second chip connect the OC pins of the 3rd chip, the second chip G1 pins connect the OD pins of the 3rd chip, the CS pins of the 3rd chip are grounded through the 27th protective resistor；3rd chip VSS pins connect the negative pole of battery, the VDD pins of the 3rd chip connect the positive pole of battery through the 20th protective resistor.

The utility model also proposed a kind of bulb lamp, including bulb lamp circuit as described above, in addition to foam, and second LED is arranged on inside foam, and the first LED is arranged on foam.

In the above-mentioned bulb lamp of the utility model, the first LED has multiple, and the plurality of first LED is circumferentially provided on bubble On body.

The utility model makes bulb lamp supply electricity to LED using city when commercial power supply is normal by designing bulb lamp circuit Power supply, and charged to dc source；When having a power failure, powered using dc source to LED.Meanwhile also by bulb lamp Structure design, it is achieved thereby that good illuminating effect.Bulb lamp of the present utility model is ingenious in design, practical.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：

Fig. 1 shows the high-level schematic functional block diagram of the bulb lamp circuit of the bulb lamp of the utility model embodiment；

Fig. 2 shows the circuit diagram of the bulb lamp circuit shown in Fig. 1；

Fig. 3 shows the structural representation of the bulb lamp shown in Fig. 1.

Embodiment

Technical problem to be solved in the utility model is：General power-off lighting product, use only is lighted when having a power failure, by In long-time failure to inspect, when chance, which really has a power failure, powers off or occurred emergency escape, needs illumination, the beginning knows that rechargeable battery does not have Electricity damages already；, can be because if being only that directly the technology of existing power failure automatic illuminating is moved on to not have a power failure on formula bulb lamp Voltage when saving battery is gradually reduced the uniform and stable property that problem has influence on normal illumination.The utility model is with regard to the technology Problem and the technical thought that proposes are：A kind of lighting circuit is constructed, it supplies electricity to LED when commercial power supply is normal, using city and supplied Electricity, and charged to dc source；When having a power failure, powered using dc source to LED.

In order that technical purpose of the present utility model, technical scheme and technique effect are apparent, in order to this area Technical staff understands and implemented the utility model, the utility model is done below in conjunction with the accompanying drawings and the specific embodiments further in detail Thin explanation.

As shown in figure 1, Fig. 1 shows the functional module signal of the bulb lamp circuit of the bulb lamp of the utility model embodiment Figure.The bulb lamp circuit includes the first LED 400 and the second LED 500, and rectified circuit 200 and reduction voltage circuit successively It is connected respectively with the first LED 400 and the second LED 500 after 300, for being supplied to the first LED 400 and the second LED 500 The AC power 100 of electricity；

Bulb lamp circuit also includes dc source 800, and the dc source 800 is after switching circuit 900 is sent a telegram in reply in power-off with the Two LEDs 500 are connected；AC power 100 is electrically connected with power-off telegram in reply switching circuit 900, in the open circuit of AC power 100 When conducting power-off telegram in reply switching circuit 900 and in 100 path of AC power disconnect power-off telegram in reply switching circuit 900, so as to control Dc source 800 processed gives the power supply of the second LED 500；

AC power 100 is successively after rectification circuit 200 and reduction voltage circuit 300, also charged control circuit 700 Afterwards, it is connected with dc source 800, for being charged to dc source 800.

Preferably, in the present embodiment, bulb lamp circuit also includes being electrically connected with dc source 800, for stable straight Flow the DC control circuit 600 of the output voltage of power supply 800.

Based on above-mentioned technical proposal, when 100 path of AC power, power-off telegram in reply switching circuit 900 disconnects, and at this moment, hands over Stream power supply 100 is powered to the first LED 400 and the second LED 500；Meanwhile AC power 100 charges to dc source 800, And dc source 800 is not powered to the second LED 500.When AC power 100 is breaking, power-off telegram in reply switching circuit 900 is led Logical, at this moment, AC power 100 stops powering to the first LED 400 and the second LED 500；Meanwhile AC power 100 is also stopped Only charged to dc source 800, dc source 800 is powered to the second LED 500.To sum up, bulb lamp circuit of the present utility model Just realize bulb lamp does not stop luminous function.

Further, as shown in Fig. 2 Fig. 2 shows the circuit diagram of the bulb lamp circuit shown in Fig. 1.

AC power 100 has zero line ACL and zero line side ACN, and rectification circuit 200 includes rectifier BD1, zero line ACL is electrically connected with after the first protective resistor R1 with a rectifier BD1 charging wire, and zero line side ACN is another with rectifier BD1's One charging wire is electrically connected with, and the first filter condenser C1 is connected between rectifier BD1 positive pole and rectifier BD1 negative pole, Rectifier BD1 plus earth；Rectifier BD1 negative pole connects reduction voltage circuit 300.In the present embodiment, by using rectified current Realize the function of rectifying and wave-filtering in road.

Reduction voltage circuit 300 includes the first chip U1, first chip U1 model OB3615PJP, the first chip U1's VDD pins are followed by rectification circuit 200 through the 6th protective resistor R6 and the 5th protective resistor R5, specifically, the first chip U1 VDD pins are followed by rectifier BD1 negative pole through the 6th protective resistor R6 and the 5th protective resistor R5；First chip U1 FB pins after the 12nd protective resistor R12, successively forward direction through the first LED 1 and the second light emitting diode It is grounded after LED2；First LED 400 is the first LED 1；Second LED 500 is the second LED 2. Herein, buck functionality is realized by the first chip U1, by the first chip U1 FB pin output voltages, so as to realize to The power supply of one LED 400 and the second LED 500.

Further, the first chip U1 CS pins are successively through the 7th protective resistor R7 and the 3rd iron core inductor L3 Afterwards, the positive pole with the first LED 1 is electrically connected with；First chip U1 CS pins are successively through the 7th protective resistor After R7 and the 3rd iron core inductor L3, also it is electrically connected with through the 12nd protective resistor R12 and the first chip U1 FB pins；The One chip U1 CS pins are grounded after the 7th protective resistor R7；First chip U1 CS pins are also through the 8th protective resistor It is grounded after R8；First chip U1 CS pins are also reversely grounded after the first voltage-regulator diode D1；First chip U1 FB pins Also it is grounded after the 9th protective resistor R9；First chip U1 FB pins also pass through respectively after the 12nd protective resistor R12 It is grounded after 4th filter condenser C4 and the 13rd protective resistor R13.First chip U1 VDD pins are also through the 5th filtered electrical It is grounded after container C5.First chip U1 GND pin ground connection；First chip U1 the first DRAIN pins are also with rectifier BD1's Negative pole is electrically connected with, and the first chip U1 the first DRAIN pins are also electrically connected with the first chip U1 the 2nd DRAIN pins.

Further, charging control circuit 700 includes fourth chip U4, fourth chip U4 model MC34063, the Four chip U4 VCC pin connects reduction voltage circuit 300, and specifically, fourth chip U4 VCC pin connects the first LED 1 Positive pole；Fourth chip U4 SWE pins are followed by direct current through the 4th iron core inductor L4 and forward direction through anti-backflow diode D5 Source 800, the fourth chip U4 CH pins forward direction after the 25th protective resistor R25 are followed by direct current through anti-backflow diode D5 Power supply 800.Specifically, dc source 800 includes battery BT1, and anti-backflow diode D5 negative pole connects battery BT1 positive pole. In the present embodiment, charging process of the AC power 100 to dc source 800 is controlled by using fourth chip U4.

Further, the IPK of fourth chip U4 SWC pins, fourth chip U4 DRC pins and fourth chip U4 draws Pin is electrically connected with each other；Fourth chip U4 IPK pins are after the 26th protective resistor R26, through the 11st filter capacitor It is grounded after device C11；Fourth chip U4 IPK pins are after the 26th protective resistor R26, also through the tenth filter condenser C10 is grounded；Fourth chip U4 VCC pin is followed by through the 11st filter condenser C11 and the tenth filter condenser C10 respectively Ground；Fourth chip U4 GND pin ground connection, fourth chip U4 TC pins are grounded after the 9th filter condenser C9；4th core Piece U4 SWC pins are reversely grounded after the 4th sustained diode 4.

Further, power-off telegram in reply switching circuit 900 includes the second metal-oxide-semiconductor Q2, and the second metal-oxide-semiconductor Q2 drain D is through the tenth Five protective resistor R25 are followed by the second LED 500, and specifically, the second metal-oxide-semiconductor Q2 drain D is through the 15th protective resistor The positive pole of second LED 2 afterwards；Second metal-oxide-semiconductor Q2 source S connects dc source 800, specifically, the second metal-oxide-semiconductor Q2 source S connects battery BT1 positive pole.Power-off telegram in reply switching circuit 900 also includes the first triode Q1, the 3rd triode Q3, First triode Q1 emitter stage connects dc source 800, and specifically, the first triode Q1 emitter stage is meeting battery BT1 just Pole.First triode Q1 colelctor electrode is electrically connected with after the 19th protective resistor R19 with the 3rd triode Q3 base stage, the Three triode Q3 colelctor electrode is followed by the second metal-oxide-semiconductor Q2 gate pole G through the 18th protective resistor R18, the 3rd triode Q3's Grounded emitter；First triode Q1 base stage forward direction is after the 3rd sustained diode 3, through the 23rd protective resistor R23, the 21st protective resistor R21 and the 21st A protective resistors R21A are followed by AC power 100, specifically, the One triode Q1 base stage forward direction is after the 3rd protection diode D3, through the 23rd protective resistor R23, the 21st protection After resistor R21 and the 21st A protective resistors R21A, then it is followed by through the first protective resistor R1 the fire of AC power 100 Line end ACL.The zero line side ACN of AC power 100 is through the 22nd A protective resistors R22A, the 22nd protective resistor R22 After be grounded.The zero line side ACN of AC power 100 is through the 22nd A protective resistors R22A, the 22nd protective resistor R22 Afterwards also through the 11st protective resistor R11, then the base stage electric connection with the 3rd triode Q3.Herein, when AC power 100 During path, the first triode Q1 conductings, the 3rd triode Q3 conductings, the second metal-oxide-semiconductor Q2 cut-offs, so as to cut off dc source 800 Power supply to the second LED 500；When alternating current 100 is breaking, the first triode Q1 cut-offs, the 3rd triode Q3 cut-offs, second Metal-oxide-semiconductor Q2 is turned on, so as to cause power supply of the dc source 800 to the second LED 500.

Further, DC control circuit 600 includes the second chip U2 and the 3rd chip U3, the second chip U2 model MH8205S, the 3rd chip U3 model MHDW16, the second chip U2 S1 pins meet battery BT1 negative pole, the second chip U2 S2 pins ground connection；Second chip U2 G2 pins connect the 3rd chip U3 OC pins, and the second chip U2 G1 pins connect the 3rd Chip U3 OD pins, the 3rd chip U3 CS pins are grounded through the 27th protective resistor R27；3rd chip U3 VSS Pin connects battery BT1 negative pole, and the 3rd chip U3 VDD pins connect battery BT1 positive pole through the 20th protective resistor.At this In, the 3rd chip U3 is battery BT1 management of charging and discharging chip, and the second chip U2 is used to make in battery BT1 charge and discharge electrical anomalies Battery BT1 open circuits.

As shown in figure 3, Fig. 3 shows the structural representation of the bulb lamp shown in Fig. 1.The bulb lamp includes foam 10, should Foam 10 is internally provided with the second LED 500, and the first LED 400 is provided with foam 10.In the present embodiment, first LED 400 has multiple, and the plurality of first LED 400 is circumferentially provided on foam 10.

Further, bulb lamp also includes the lamp holder 20 being connected with foam 10, when lamp holder 20 (does not show installed in lamp socket in figure Go out) on when, AC power path, so that the first LED 400 and the second LED 500 are luminous；When by lamp holder 20 from lamp When being removed on seat, the second LED 500 only inside foam 10 is luminous, so as to as flashlight.

It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted, And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.

Claims

1. a kind of bulb lamp circuit, it is characterised in that including the first LED (400) and the second LED (500), and pass through successively Be connected respectively with the first LED (400) and the second LED (500) after rectification circuit (200) and reduction voltage circuit (300), for First LED (400) and the AC power (100) of the second LED (500) power supply；

Bulb lamp circuit also includes dc source (800), the dc source (800) after power-off telegram in reply switching circuit (900) with Second LED (500) is connected；AC power (100) is electrically connected with power-off telegram in reply switching circuit (900), in alternating current Conducting power-off telegram in reply switching circuit (900) and the disconnection power-off telegram in reply switching in AC power (100) path when source (100) is breaking Circuit (900), so as to control power supply of the dc source (800) to the second LED (500)；

AC power (100) is successively after rectification circuit (200) and reduction voltage circuit (300), also charged control circuit (700) after, it is connected with dc source (800), for being charged to dc source (800).

2. bulb lamp circuit according to claim 1, it is characterised in that reduction voltage circuit (300) includes the first chip (U1), The model OB3615PJP of first chip (U1), the VDD pins of the first chip (U1) are through the 6th protective resistor (R6) and Five protective resistors (R5) are followed by rectification circuit (200)；The FB pins of first chip (U1) are through the 12nd protective resistor (R12) Afterwards, it is positive successively to be grounded after the first light emitting diode (LED1) and the second light emitting diode (LED2)；First LED (400) For the first light emitting diode (LED1)；Second LED (500) is the second light emitting diode (LED2).

3. bulb lamp circuit according to claim 2, it is characterised in that the CS pins of the first chip (U1) are successively through the 7th After protective resistor (R7) and the 3rd iron core inductor (L3), it is electrically connected with the positive pole of the first light emitting diode (LED1)；The The CS pins of one chip (U1) successively after the 7th protective resistor (R7) and the 3rd iron core inductor (L3), are also protected through the 12nd The FB pins for protecting resistor (R12) and the first chip (U1) are electrically connected with；The CS pins of first chip (U1) are through the 7th protection electricity Resistance device (R7) is grounded afterwards；The CS pins of first chip (U1) are also grounded after the 8th protective resistor (R8)；First chip (U1) CS pins be also reversely grounded after the first voltage-regulator diode (D1)；The FB pins of first chip (U1) are also through the 9th protective resistance Device (R9) is grounded afterwards；The FB pins of first chip (U1) are after the 12nd protective resistor (R12), also respectively through the 4th filtered electrical Container (C4) and the 13rd protective resistor (R13) are grounded afterwards；The VDD pins of first chip (U1) are also through the 5th filter condenser (C5) it is grounded afterwards；The GND pin ground connection of first chip (U1)；The first DRAIN pins and rectification circuit of first chip (U1) (200) it is electrically connected with, the first DRAIN pins of the first chip (U1) are also electrical with the 2nd DRAIN pins of the first chip (U1) Connection.

4. bulb lamp circuit according to claim 1, it is characterised in that charging control circuit (700) includes fourth chip (U4), the model MC34063 of the fourth chip (U4), the VCC pin of fourth chip (U4) connect reduction voltage circuit (300)；4th The SWE pins of chip (U4) are followed by dc source through the 4th iron core inductor (L4) and forward direction through anti-backflow diode (D5) (800), the CH pins of fourth chip (U4) are positive after anti-backflow diode (D5) after the 25th protective resistor (R25) Connect dc source (800).

5. bulb lamp circuit according to claim 4, it is characterised in that the SWC pins of fourth chip (U4), fourth chip (U4) DRC pins and the IPK pins of fourth chip (U4) is electrically connected with each other；The IPK pins of fourth chip (U4) are through After 26 protective resistors (R26), it is grounded after the 11st filter condenser (C11)；The IPK pins warp of fourth chip (U4) After 26th protective resistor (R26), also it is grounded through the tenth filter condenser (C10)；The VCC pin of fourth chip (U4) point It is not grounded after the 11st filter condenser (C11) and the tenth filter condenser (C10)；The GND pin of fourth chip (U4) connects Ground, the TC pins of fourth chip (U4) are grounded after the 9th filter condenser (C9)；The SWC pins of fourth chip (U4) reversely pass through 4th fly-wheel diode (D4) is grounded afterwards.

6. bulb lamp circuit according to claim 1, it is characterised in that power-off telegram in reply switching circuit (900) includes second Metal-oxide-semiconductor (Q2), the drain electrode (D) of the second metal-oxide-semiconductor (Q2) are followed by the second LED (500) through the 15th protective resistor (R15)；The The source electrode (S) of two metal-oxide-semiconductors (Q2) connects dc source (800)；Power-off telegram in reply switching circuit (900) also includes the first triode (Q1), the 3rd triode (Q3), the emitter stage of the first triode (Q1) connect dc source (800)；The collection of first triode (Q1) Electrode is electrically connected with after the 19th protective resistor (R19) with the base stage of the 3rd triode (Q3), the 3rd triode (Q3) Colelctor electrode is followed by the second metal-oxide-semiconductor (Q2) gate pole (G), the transmitting of the 3rd triode (Q3) through the 18th protective resistor (R18) Pole is grounded；The base stage forward direction of first triode (Q1) is after the 3rd fly-wheel diode (D3), through the 23rd protective resistor (R23), after the 21st protective resistor (R21) and the 21st A protective resistors (R21A), then through the first protective resistor (R1) it is followed by the zero line (ACL) of AC power (100)；The zero line side (ACN) of AC power (100) is protected through the 22nd A Resistor (R22A), the 22nd protective resistor (R22) are grounded afterwards；The zero line side (ACN) of AC power (100) is through the 20th Also through the 11st protective resistor (R11) after two A protective resistors (R22A), the 22nd protective resistor (R22), then with The base stage of three triodes (Q3) is electrically connected with.

7. bulb lamp circuit according to claim 1, it is characterised in that dc source (800) includes battery (BT1), directly Flow control circuit (600) includes the second chip (U2) and the 3rd chip (U3), the model MH8205S of the second chip (U2), and The model MHDW16 of three chips (U3), the S1 pins of the second chip (U2) connect battery (BT1) negative pole, the second chip (U2) S2 pins are grounded；The G2 pins of second chip (U2) connect the OC pins of the 3rd chip (U3), and the G1 pins of the second chip (U2) connect The OD pins of 3rd chip (U3), the CS pins of the 3rd chip (U3) are grounded through the 27th protective resistor (R27)；3rd core The VSS pins of piece (U3) connect battery (BT1) negative pole, and the VDD pins of the 3rd chip (U3) connect electricity through the 20th protective resistor The positive pole in pond (BT1).

A kind of 8. bulb lamp, it is characterised in that including the bulb lamp circuit as described in claim 1-7 any one, in addition to Foam (10), the second LED (500) are arranged on foam (10) inside, and the first LED (400) is arranged on foam (10).

9. bulb lamp according to claim 8, it is characterised in that the first LED (400) has multiple, the plurality of first LED Lamp (400) is circumferentially provided on foam (10).