CN205957102U - Electric shock prevention function circuit is just taken to power supply battery automatic switch -over - Google Patents

Electric shock prevention function circuit is just taken to power supply battery automatic switch -over Download PDF

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Publication number
CN205957102U
CN205957102U CN201620918375.0U CN201620918375U CN205957102U CN 205957102 U CN205957102 U CN 205957102U CN 201620918375 U CN201620918375 U CN 201620918375U CN 205957102 U CN205957102 U CN 205957102U
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CN
China
Prior art keywords
diode
resistance
circuit
double
position switch
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620918375.0U
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Chinese (zh)
Inventor
胡沃康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Kennede Electronics Manufacturing Co Ltd
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Guangdong Kennede Electronics Manufacturing Co Ltd
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Priority to CN201620918375.0U priority Critical patent/CN205957102U/en
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Publication of CN205957102U publication Critical patent/CN205957102U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

The utility model discloses an electric shock prevention function circuit is just taken to power supply battery automatic switch -over, including charging the incoming end, rechargeable battery, resistance -capacitance step -down rectifying circuit, external dry battery, double two stop pass and LED lamp plate, at resistance -capacitance step -down rectifying circuit and double two stop and be equipped with overcharge protection circuit and indicator lamp circuit between the binding post of pass, overcharge protection circuit includes first resistance, the vehicle charging control system further comprises a second resistor, third resistance, zener diode and triode, indicator lamp circuit includes first diode, a second diode, a third diode, a fourth diode, fourth resistance and LED lamp. The utility model has the advantages of simple structure, it is equipped with overcharge protection circuit and double two stops the pass, makes two batteries each other not influence, can cross at single battery voltage simultaneously and carry out automatic switch -over to another battery discharge when low to being equipped with unidirectional diode, can effectually having improved the protection against electric shock performance, well just the suitability is strong for the stability in use.

Description

Supplying cell automatically switches and carries electroshock-proof function circuit
Technical field
This utility model belongs to charge-discharge control circuit technical field and in particular to a kind of supplying cell automatically switches and carries Electroshock-proof function circuit.
Background technology
Portable illumination equipment is widely used in the middle of people's daily life, typically built-in rechargeable battery, mostly makes Use resistance-capacitance depressurization charging modes, in order that with being more convenient flexibly, portioned product is also equipped with using external aneroid battery.How to allow two The battery of type automatically switches when using and is independent of each other, and when charging if contacted with external cell piece also not Have Danger Electric shock risk, this just proposes a great challenge to design.
Content of the invention
The purpose of this utility model be provide that a kind of structure is simple, stability in use is good and the supplying cell of strong applicability oneself Dynamic switching and band electroshock-proof function circuit.
The technical scheme realizing this utility model purpose is that a kind of supplying cell automatically switches and carries electroshock-proof function circuit, Including charging incoming end, rechargeable battery, resistance-capacitance depressurization rectification circuit, external aneroid battery, double two position switch and LED lamp panel, institute State charging incoming end to be connected on one end binding post of double two position switch by resistance-capacitance depressurization rectification circuit, described double two The middle part terminal of position switch connects on rechargeable battery, and the other end binding post of described double two position switch passes through second unidirectional two Pole pipe is connected with the positive pole of LED lamp panel, and the positive pole of described external aneroid battery with LED lamp panel is just passing through the first unilateral diode Pole is connected, and is provided with and overcharges protection electricity between the binding post of described resistance-capacitance depressurization rectification circuit and described double two position switch Road and indicator light circuit, described overcharge protection circuit includes first resistor, second resistance, 3rd resistor, Zener diode and three Pole pipe, described indicator light circuit include the first diode, the second diode, the 3rd diode, the 4th diode, the 4th resistance and LED, the colelctor electrode of described audion is connected with the output head anode of resistance-capacitance depressurization rectification circuit by second resistance, described The grounded emitter of audion, after described first resistor is connected with Zener diode and the other end of first resistor is connected to capacitance-resistance The output head anode of step-down rectifying circuit is connected, the positive pole of Zener diode is connected with the base stage of audion, and the described 3rd Resistance is connected between the base stage of audion and emitter stage, described first diode, the second diode, the 3rd diode, the 4th After the both positive and negative polarity of diode is sequentially connected in series and described first diode positive pole be connected with the positive pole of resistance-capacitance depressurization rectification circuit, The negative pole of the 4th diode is connected with one end binding post of double two position switch, after described 4th resistance is connected with LED And the 4th resistance the other end be connected on the positive pole of resistance-capacitance depressurization rectification circuit, the negative pole of LED is connected to the 4th diode On the junction point of double two position switch.
Described audion is NPN type triode.
This utility model has positive effect:Structure of the present utility model is simple, and it is provided with overcharge protection circuit and double Arrange two position switch, it is possible to achieve the switching charged with power supply of rechargeable battery, and external aneroid battery is provided with first unidirectional two Pole pipe and also have the second unilateral diode between rechargeable battery and LED lamp panel is so that two batteries are independent of each other, simultaneously permissible Carry out when single cell voltage is too low automatically switching to another battery discharge, and be provided with unilateral diode, can effectively carry High protection against electric shock performance, stability in use is good and strong applicability.
Brief description
In order that content of the present utility model is more likely to be clearly understood, below according to specific embodiment and with reference to attached Figure, is described in further detail to this utility model, wherein:
Fig. 1 is structural representation of the present utility model.
Specific embodiment
(Embodiment 1)
Fig. 1 shows a kind of specific embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model Figure.
See Fig. 1, a kind of supplying cell automatically switches and carries electroshock-proof function circuit, including charging incoming end 1, rechargeable battery 2nd, resistance-capacitance depressurization rectification circuit 3, external aneroid battery 4, double two position switch 5 and LED lamp panel 6, described charging incoming end 1 passes through resistance Hold step-down rectifying circuit 3 to be connected on one end binding post of double two position switch 5, the middle ends of described double two position switch 5 Son connects on rechargeable battery 2, and the other end binding post of described double two position switch 5 passes through the second unilateral diode D2 and LED The positive pole of lamp plate 6 is connected, and the positive pole of described external aneroid battery 4 passes through the positive pole phase of the first unilateral diode D1 and LED lamp panel 6 Connect, between the binding post of described resistance-capacitance depressurization rectification circuit 3 and described double two position switch 5, be provided with overcharge protection circuit 7 and indicator light circuit 8, described overcharge protection circuit 7 includes first resistor R1, second resistance R2,3rd resistor R3, voltage stabilizing two pole Pipe Z1 and audion Q1, described indicator light circuit 8 include the first diode D3, the second diode D4, the 3rd diode D5, the 4th Diode D6, the 4th resistance R4 and LED, the colelctor electrode of described audion Q1 passes through second resistance R2 and resistance-capacitance depressurization rectified current The output head anode on road 3 is connected, the grounded emitter of described audion Q1, and described first resistor R1 is gone here and there with Zener diode Z1 After connection and first resistor R1 the other end be connected to resistance-capacitance depressurization rectification circuit 3 output head anode be connected, Zener diode The positive pole of Z1 is connected with the base stage of audion Q1, described 3rd resistor R3 be connected to the base stage of audion Q1 and emitter stage it Between, after described first diode D3, the second diode D4, the 3rd diode D5, the both positive and negative polarity of the 4th diode D6 are sequentially connected in series And the positive pole of described first diode D3 be connected with the positive pole of resistance-capacitance depressurization rectification circuit 3, the negative pole of the 4th diode D6 with One end binding post of double two position switch 5 is connected, after described 4th resistance R4 is connected with LED and the 4th resistance R4 another One end is connected on the positive pole of resistance-capacitance depressurization rectification circuit 3, the negative pole of LED is connected to the 4th diode D6 and stops with double two Close on 5 junction point.
Described audion is NPN type triode.
Switch SW1 is double two driving switch;After SW1 gets to charging gear, diode D6 negative pole and anode phase Even, the ground after resistance-capacitance depressurization rectification is connected with BT1 battery cathode, and battery is in charged state, and D3, D4, D5, D6 have electric current to pass through Form pressure drop difference, now charging indicator light LED lights;By circuit diagram understand now external battery piece negative pole completely and circuit every From and cell piece positive pole has met isolating diode D1, thus without there being Danger Electric shock risk;Now illumination LED lamp plate does not have forward direction Voltage, lamp plate is in OFF state;After switch SW1 gets to illumination gear, D3, D4, D5, D6 do not have electric current to pass through, and do not have shape Become pressure drop difference, charging indicator light LED extinguishes;R1, R2, R3, Z1 and Q1 form overcharge protection circuit, are having charging protection function Also have voltage clamping effect simultaneously, prevent rectified voltage from too high phenomenon occurring;BT1 anode is connected with D2 positive pole, BT1 with BT2 two types battery cathode is connected, and by D2 and D1, illumination LED lamp panel is powered, and lamp plate is in illuminating state; Due to the buffer action of D2 and D1, two batteries are independent of each other, and automatically shift to another battery when a certain cell voltage is low and enter Row power supply.This circuit only needs a switch just to enable function above.
Structure of the present utility model is simple, and it is provided with overcharge protection circuit and double two position switch, it is possible to achieve charge electricity The switching charged with power supply in pond, and external aneroid battery is provided with the first unilateral diode and in rechargeable battery and LED lamp panel Between also have the second unilateral diode so that two batteries are independent of each other, can carry out when single cell voltage is too low simultaneously Automatically switch to another battery discharge, and be provided with unilateral diode, protection against electric shock performance, stability in use can be effectively raised Get well and strong applicability.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need to give to all of embodiment Exhaustive.And these belong to the obvious change that connotation of the present utility model extended out or change and still fall within this practicality New protection domain.

Claims (2)

1. a kind of supplying cell automatically switches and carries electroshock-proof function circuit, including charging incoming end, rechargeable battery, resistance-capacitance depressurization Rectification circuit, external aneroid battery, double two position switch and LED lamp panel, described charging incoming end passes through resistance-capacitance depressurization rectification circuit It is connected on one end binding post of double two position switch, the middle part terminal of described double two position switch connects on rechargeable battery, The other end binding post of described double two position switch is connected with the positive pole of LED lamp panel by the second unilateral diode, described The positive pole of external aneroid battery be connected with the positive pole of LED lamp panel by the first unilateral diode it is characterised in that:In described capacitance-resistance It is provided with overcharge protection circuit and indicator light circuit between the binding post of step-down rectifying circuit and described double two position switch, described Overcharge protection circuit includes first resistor, second resistance, 3rd resistor, Zener diode and audion, described indicator light circuit Including the first diode, the second diode, the 3rd diode, the 4th diode, the 4th resistance and LED, described audion Colelctor electrode is connected with the output head anode of resistance-capacitance depressurization rectification circuit by second resistance, and the emitter stage of described audion connects Ground, after described first resistor is connected with Zener diode and the other end of first resistor is connected to the defeated of resistance-capacitance depressurization rectification circuit Go out that proper pole is connected, the positive pole of Zener diode is connected with the base stage of audion, described 3rd resistor is connected to audion Base stage and emitter stage between, described first diode, the second diode, the 3rd diode, the 4th diode both positive and negative polarity according to Secondary series connection after and described first diode positive pole be connected with the positive pole of resistance-capacitance depressurization rectification circuit, the negative pole of the 4th diode Be connected with one end binding post of double two position switch, after described 4th resistance is connected with LED and the 4th resistance another End is connected on the positive pole of resistance-capacitance depressurization rectification circuit, the negative pole of LED is connected to the 4th diode and double two position switch On junction point.
2. supplying cell according to claim 1 automatically switch and carry electroshock-proof function circuit it is characterised in that:Described three Pole pipe is NPN type triode.
CN201620918375.0U 2016-08-22 2016-08-22 Electric shock prevention function circuit is just taken to power supply battery automatic switch -over Expired - Fee Related CN205957102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620918375.0U CN205957102U (en) 2016-08-22 2016-08-22 Electric shock prevention function circuit is just taken to power supply battery automatic switch -over

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620918375.0U CN205957102U (en) 2016-08-22 2016-08-22 Electric shock prevention function circuit is just taken to power supply battery automatic switch -over

Publications (1)

Publication Number Publication Date
CN205957102U true CN205957102U (en) 2017-02-15

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508372A (en) * 2017-08-24 2017-12-22 苏州麦喆思科电子有限公司 A kind of high filtering type dry cell intelligently switches electric supply installation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508372A (en) * 2017-08-24 2017-12-22 苏州麦喆思科电子有限公司 A kind of high filtering type dry cell intelligently switches electric supply installation
CN107508372B (en) * 2017-08-24 2020-07-28 苏州麦喆思科电子有限公司 High filtering type dry battery intelligent switching power supply device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170215

Termination date: 20180822