CN203850881U - Novel emergency starting power supply - Google Patents

Novel emergency starting power supply Download PDF

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Publication number
CN203850881U
CN203850881U CN201420251884.3U CN201420251884U CN203850881U CN 203850881 U CN203850881 U CN 203850881U CN 201420251884 U CN201420251884 U CN 201420251884U CN 203850881 U CN203850881 U CN 203850881U
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China
Prior art keywords
circuit
mcu
connects
output
battery
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Expired - Fee Related
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CN201420251884.3U
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Chinese (zh)
Inventor
汪红福
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ZHUHAI SANCHUAN ELECTRONIC TECHNOLOGY Co Ltd
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ZHUHAI SANCHUAN ELECTRONIC TECHNOLOGY Co Ltd
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Publication of CN203850881U publication Critical patent/CN203850881U/en
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Abstract

The utility model discloses a novel emergency starting power supply, which comprises a shell, a circuit board and a battery pack, wherein the circuit board is located inside the shell; the circuit board is eclectically connected with the battery pack; the circuit board comprises a charger detection and charging circuit, a battery protection circuit, an intelligent protection circuit, a 5V output circuit, a 19V output circuit, an MCU, an MCU power supply circuit, an LCD drive circuit, an LCD backlight circuit, a mosquito repelling circuit, a flashlight circuit, a battery capacity detection circuit, an explosion-flashing circuit and an output current detection circuit. According to the novel emergency starting power supply, the duration of mosquito repelling is long, a mosquito repelling product or a mosquito repelling device or a charger does not need to be equipped alone, the size is small, carrying is convenient, and functions of power supply and mosquito repelling are integrated.

Description

A kind of novel emergency starts power supply
[technical field]
The utility model relates to power technique fields, and especially a kind of novel emergency starts power supply.
[background technology]
Emergency starting power supply is due to the little Portable belt of its volume, the output of the different voltages of multichannel, and capacitance and starting current are large, the features such as environment-friendly battery can repeat to discharge and recharge, are widely used, under the environment that there is no civil power, make illuminating lamp, long-range or the LED rescue signal lamp of SOS uses, and can give mobile phone, notebook computer, panel computer, camera, electronic game charging, as the startup power supply of automobile.At the environment that particularly has mosquito without civil power, for mosquito repellent, need carry separately or be equipped with mosquito repellent equipment or product, and need separately account for memory space.Mini light night in patent CN200910106631.0 needs power line to connect power supply, though solve the problem of illumination simultaneously and mosquito repellent, but still need to be equipped with independent power supply, existing without under civil power environment, power supply provides limitation inconvenient and that impact is used.
[summary of the invention]
In order to address the above problem, the utility model provides a kind of novel emergency with function of driving mosquitoes to start power supply.
The utility model adopts following technical scheme, constructs a kind of novel emergency and starts power supply, comprises housing, circuit board, and battery pack, circuit board is positioned at housing, between circuit board and battery pack, is electrically connected;
Circuit board comprises that charger detects and charging circuit, battery protecting circuit, intelligent protection circuit, 5V output circuit, 19V output circuit, MCU, MCU power circuit, LCD drive circuit, LCD backlight circuit, mosquito repellent circuit, electric torch circuit, battery power detection circuit, quick-fried lightning road, output current detection circuit;
Charger detects and charging circuit connects respectively MCU, battery pack;
Battery protecting circuit connects respectively battery pack, intelligent protection circuit, MCU power circuit, electric torch circuit, mosquito repellent circuit, battery power detection circuit;
Intelligent protection circuit connects respectively 5V output circuit, 19V output circuit;
MCU power circuit connects respectively battery protecting circuit, MCU, LCD drive circuit, LCD backlight circuit;
LCD drive circuit connects respectively MCU power circuit, MCU;
LCD backlight circuit connects respectively MCU power circuit, MCU;
Electric torch circuit connects respectively battery protecting circuit, MCU;
Battery power detection circuit connects battery protecting circuit and MCU;
Quick-fried lightning road connects MCU;
Output current detection circuit connects MCU.
Preferably, described novel emergency startup power supply also comprises the more than one magnet being threaded connection on side of described housing.
Preferably, described mosquito repellent circuit comprises P channel MOS tube Q400, N-channel MOS pipe Q401, oscillator Y, capacitor C 1, C2; Q400 and Q401 form half-bridge drive circuit; the grid of Q400 connects the grid of Q401; the drain electrode of Q400 connects the output voltage positive pole of battery protecting circuit; its source electrode connects the drain electrode of Q401; the drain electrode of Q401 connects output voltage negative pole; C1, the series aiding connection circuit of C2 is connected in parallel between power supply positive and negative electrode, and oscillator Y connects respectively the source electrode of Q400 and the negative pole of C1.
From such scheme, it is long that described novel emergency starts the power supply mosquito repellent duration, need not be equipped with separately mosquito repellent product or mosquito repellent equipment and charger, and volume is little, is convenient for carrying, and will provide power supply and function of driving mosquitoes to combine together.In mosquito repellent circuit, the half-bridge circuit of metal-oxide-semiconductor composition drives crystal oscillator, lower than triode full-bridge circuit cost, and the power consumption of metal-oxide-semiconductor is little, and driving power is large, and utilization rate of electrical is high, and the distance of ultrasonic transmission is farther.The setting of magnet makes the fixing more stable of emergency starting power supply.
[brief description of the drawings]
Emergency starting power supply architecture figure in Fig. 1 embodiment mono-
Emergency starting power circuit block diagram in Fig. 2 embodiment mono-
Charger in Fig. 3 embodiment mono-detects and charging circuit figure;
Battery protecting circuit figure in Fig. 4 embodiment mono-;
Intelligent protection circuit figure in Fig. 5 embodiment mono-;
5V output circuit figure in Fig. 6 embodiment mono-;
19V output circuit figure in Fig. 7 embodiment mono-;
MCU power circuit diagram in Fig. 8 embodiment mono-;
Mosquito repellent circuit diagram in Fig. 9 embodiment mono-;
LCD drive circuit figure in Figure 10 embodiment mono-;
LCD backlight circuit figure in Figure 11 embodiment mono-;
Electric torch circuit figure in Figure 12 embodiment mono-;
Battery power detection circuit figure in Figure 13 embodiment mono-;
Quick-fried sudden strain of a muscle circuit diagram in Figure 14 embodiment mono-;
Output current detection circuit figure in Figure 15 embodiment mono-.
[embodiment]
Below in conjunction with drawings and Examples, the execution mode of this patent is described in detail.
Embodiment mono-:
As shown in Figure 1, the emergency starting power supply in the present embodiment comprises 1,3 magnet 2 of housing, circuit board (not shown).The threaded magnet 2 in side is fixed on by threaded groove on housing on a side of housing; the battery pack of 3 joint 4.2V lithium battery series aiding connection compositions; circuit board comprises that charger detects and charging circuit; battery protecting circuit; intelligent protection circuit; 5V output circuit, 19V output circuit, central control unit (hereinafter to be referred as MCU); MCU power circuit; LCD drive circuit, LCD backlight circuit, mosquito repellent circuit; electric torch circuit; battery power detection circuit, quick-fried lightning road, output current detection circuit.The model of described MCU is ET18F20.Magnet is for stable fixing emergency starting power supply.
Charger detects and charging circuit is connected with MCU, battery pack respectively, is used for to batteries charging, and will detects that charger access information passes to MCU, sees Fig. 3.This circuit is the typical application circuit of chip DSC-CN3703.In the time that charger accesses, the VIN pin of MCU detects the voltage on R125, and MCU controls intelligent protection circuit and cuts off 12V output, enters charged state.
Battery protecting circuit respectively and battery pack, intelligent protection circuit, MCU power circuit; electric torch circuit, mosquito repellent circuit, battery power detection circuit connects; power supply is provided to the each circuit connecting; and be used for realizing overcharging of battery pack, cross and put, overcurrent; short-circuit protection; when battery pack protection, cut off the output of battery pack, see Fig. 4.FDS4435 is a P channel MOS tube, and D1, D2, D3, D4 pin connect the drain electrode of metal-oxide-semiconductor, and G pin connects the grid of metal-oxide-semiconductor, and S1, S2, S3 connect the source electrode of metal-oxide-semiconductor.The drain electrode of Q500 and Q501 is connected to each other, and the model of chip U500 is S8254, and its 1 pin connects the grid of Q500, after the 2 pin series resistance R500 of U500, connects battery output cathode V+, and resistance R 501 is connected in parallel between the grid of Q500 and 1 pin of U500.The source electrode of Q501 connects the positive pole of first segment battery, grid connecting resistance R502 one end, and the R502 other end connects 3 pin of U500; The connected mode of Q502, Q503 and Q500, Q501's is identical, and the connected mode of Q504, Q505 and Q500, Q501's is identical.16 pin of U500 connect the positive pole of first segment battery, after 15 pin series resistance R503, connect the positive pole of first segment battery, after 14 pin series resistance R504, connect the electric intersection point of Section 1 battery and Section 2 battery, the electric intersection point that connects Section 2 battery and Section 3 battery after 13 pin series resistance R503,12,11,7 pin connect the negative pole of Section 3 battery.After U500 the 4th pin series resistance R506, connect battery pack output negative pole.The connection of other pin of U500 does not repeat them here.When battery overcurrent or short circuit, resistance R 510, the two ends of R509 produce voltage, voltage between 4 pin and 7 pin is higher than the threshold voltage of U500, and U500 controls 3 pin output high level, Q500, Q501, Q502, Q503, Q504, Q505 cut-off, battery pack no-output, realizes overcurrent or short-circuit protection; U500 arbitrary batteries or the wantonly two adjacent batteries of joint or three batteries both end voltage detected and during higher than threshold voltage, U500 controls 1 pin output high level, and Q500, Q501, Q502, Q503, Q504, Q505 cut-off, realize overvoltage protection.
Intelligent protection circuit connects respectively 5V output circuit, 19V output circuit, and when 12V load, when overcurrent or short circuit appear in 19V load, or circuit is not while connecing load, closes 12V output, sees Fig. 5.Intelligent protection circuit comprises comparison circuit and output control circuit; the acp chip U101 model of comparison circuit is LM358; when 12V output connects load; load current OUT_I2 inputs forward voltage end 5 pin of LM358 the second comparator through resistance R 114; reverse voltage is the voltage on R115, about 0.291V; When 19V output connects load, load current OUT_I1 is through reverse voltage end 2 pin of resistance R 113 input comparators 1, and forward voltage is the voltage on R117, about 0.196V.LM358 is when device uses as a comparison, relatively positive input and reverse input end voltage, and when positive input is higher than reverse input end voltage, output high level, otherwise, output low level.The output cathode V+ of the input termination battery protecting circuit of output control circuit.P channel MOS tube Q106 is connected respectively with the each identical pin of Q107, source electrode meets V+, drain electrode output, grid connects the collector electrode of NPN type triode Q108, and NPN type triode Q108 collector electrode connects and draws resistance R 121, base stage meets current-limiting resistance R127, emitter welding system ground, NPN type triode Q109 collector electrode connects one end of R127, R124, emitter welding system ground, base stage meets OCP_2, the POWER_ON pin of another termination of R124 MCU.
The input of 5V output circuit connects the voltage output end P+ of intelligent protection circuit, and through switching mode step-down chip U102,12V voltage transformation becomes 5V output voltage.As Fig. 6, this circuit is the typical application circuit of chip XL2009.
The input of 19V output circuit connects the voltage output end P+ of intelligent protection circuit, and through the chip U100 conversion 19V output voltage that boosts, as Fig. 7, this circuit is the typical application circuit of chip GS3660.Under normal circumstances, while having load to connect, OCP_1 input is high level, and GS3660 is in running order, the voltage of output 19V, and load current OUT_I1 connects the reverse voltage input of the first comparator of the comparison circuit of intelligent protection circuit.
In the time of 12V load overcurrent or short circuit, 5 pin input voltages are greater than 0.291V, and OCP_2 is output as high level, triode Q109 conducting, transistor collector voltage drags down, triode Q108 cut-off, metal-oxide-semiconductor Q106, Q107 cut-off, 12V voltage is not exported, and has protected whole circuit; Otherwise OCP_2 is output as low level, MCU output logic high level is to POWER_ON, triode Q108 conducting, metal-oxide-semiconductor Q106, Q107 conducting, output 12V voltage.In the time of 19V load overcurrent or short circuit, 2 pin input voltages are greater than 0.196V, and OCP_1 is output as low level, and the GS3660 chip of 19V output circuit is not worked; Otherwise OCP_1 is output as high level.
The output of MCU power circuit input and battery protecting circuit is connected, and its voltage output end connects respectively supply pin, the LCD drive circuit of MCU, the supply pin of LCD backlight circuit.As Fig. 8, battery pack output 12V voltage is exported 2.8V voltage through voltage stabilizing chip U201 HT7533 voltage stabilizing after the reverse connection prevention protection circuit of NPN type triode and diode formation.
Mosquito repellent circuit connects MCU and battery protecting circuit, as Fig. 9.P channel MOS tube Q400 and N-channel MOS pipe Q401 form half-bridge drive circuit; the grid of Q400 connects the grid of Q401; the drain electrode of Q400 connects the output 12V voltage of battery protecting circuit; its source electrode connects the drain electrode of Q401; the drain electrode of Q401 connects power supply ground; matching capacitance C1, the series aiding connection circuit of C2 is connected in parallel between 12V and ground, and oscillator Y connects respectively the source electrode of Q400 and the negative pole of C1.MCU exports the grid of PWM ripple to half-bridge circuit, when PWM is high level, and Q401 conducting, otherwise Q400 conducting, oscillator utilizes its piezoelectric effect to convert the electric energy of PWM to vibration mechanical energy, and the frequency of frequency and PWM is identical.The frequency of PWM is the frequency f 1 of male mosquito wing vibration or the frequency f 2 of mosquito natural enemy bat wing vibration.Use MCU program control, can alternately export the PWM of f1 or f2 frequency to drive circuit.This circuit utilizes the half-bridge circuit of metal-oxide-semiconductor composition to drive crystal oscillator, lower than triode full-bridge circuit cost, and the power consumption of metal-oxide-semiconductor is little, and driving power is large, and utilization rate of electrical is high, and the distance of ultrasonic transmission is farther.
LCD drive circuit is connected with MCU, and as Figure 10, LCD model is LCD200.Resistance R 200 R207 that connects, resistance R 201 R208 that connects, resistance R 202 R209 that connects, resistance R 203 R210 that connects, is connected in parallel on circuit and is connected with the output of MCU power circuit after 4 series circuit parallel connections, 9 pin of LCD are connected with the I/O pin of MCU, wherein C1, C2, C3, tetra-electric intersection points that drive pin to connect respectively two resistance in series circuit of C4.
LCD backlight circuit connects MCU power circuit and MCU, and its power input is connected with the output of MCU power circuit, as Figure 11.The base stage of NPN type triode connects the I/O pin of MCU, and conducting and the cut-off of the logic level signal control triode of MCU output realize conducting and the cut-off of light-emitting diode, thereby realize backlight control.
Electric torch circuit connects respectively battery protecting circuit and MCU, as Figure 12.Power supply 5 pin of chip U400 connect the output cathode of battery protecting circuit, and the I/O pin of MCU connects 3 pin of chip U400, conducting and the light modulation of the level signal Type Control light-emitting diode D401 exporting by I/O pin.
Battery power detection circuit connects battery protecting circuit and MCU, as Figure 13.Voltage on R206 is greater than at 2.6 o'clock, and MCU controls the POWER_ON output logic low level of Intelligent detection circuit.
Quick-fried lightning road is connected with MCU, comprises blue led control circuit and red LED control circuit, and two circuit structures are identical.As Figure 14, the existing implementation that illustrates as an example of blue led circuit example.The current-limiting resistance of connecting again after plural blue led series aiding connection, the road parallel connection of multiple these series connection, the negative pole end of the LED of parallel circuits connects the grid of metal-oxide-semiconductor, resistance terminal connects the source electrode of metal-oxide-semiconductor, the grid of metal-oxide-semiconductor, source electrode connects respectively the I/O pin of MCU, grounded drain.In the time that output BAT, LED-BSB, the BSR of MCU are high level, metal-oxide-semiconductor conducting, blue led is luminous.MCU alternately controls the luminous and extinguishing of blue led and red LED, forms quick-fried sudden strain of a muscle effect.In order to form better repelling effect, in replacing to, the LED of this circuit scribbles the bulb of specific coatings in patent 201210583222.1, realize mosquito repellent in quick-fried sudden strain of a muscle simultaneously.
Output current detection circuit connects MCU, as Figure 15.When systematically and while having power supply to pass through between power supply ground, illustrate that emergency starting power supply is connected to load, MCU controls the POWER_ON output logic high level of Intelligent detection circuit; Otherwise POWER_ON output logic low level, cuts off 12V output, has saved electric energy.
The preferred embodiment that the foregoing is only this patent, is not limited to this patent, and for a person skilled in the art, this patent can have various modifications and variations.All within the spirit and principle of this patent, any amendment of doing, be equal to replacement, improvement etc., within all should being included in the protection range of this patent.

Claims (3)

1. novel emergency startup power supply comprises a housing, circuit board, and battery pack, circuit board is positioned at housing, between circuit board and battery pack, is electrically connected;
Circuit board comprises that charger detects and charging circuit, battery protecting circuit, intelligent protection circuit, 5V output circuit, 19V output circuit, MCU, MCU power circuit, LCD drive circuit, LCD backlight circuit, mosquito repellent circuit, electric torch circuit, battery power detection circuit, quick-fried lightning road, output current detection circuit;
Charger detects and charging circuit connects respectively MCU, battery pack;
Battery protecting circuit connects respectively battery pack, intelligent protection circuit, MCU power circuit, electric torch circuit, mosquito repellent circuit, battery power detection circuit;
Intelligent protection circuit connects respectively 5V output circuit, 19V output circuit;
MCU power circuit connects respectively battery protecting circuit, MCU, LCD drive circuit, LCD backlight circuit;
LCD drive circuit connects respectively MCU power circuit, MCU;
LCD backlight circuit connects respectively MCU power circuit, MCU;
Electric torch circuit connects respectively battery protecting circuit, MCU;
Battery power detection circuit connects battery protecting circuit and MCU;
Quick-fried lightning road connects MCU;
Output current detection circuit connects MCU.
2. start power supply according to the novel emergency in claim 1, characterized by further comprising the more than one magnet being threaded connection on side of described housing.
3. start power supply according to the novel emergency in claim 1, it is characterized in that described mosquito repellent circuit comprises P channel MOS tube Q400, N-channel MOS pipe Q401, oscillator Y, capacitor C 1, C2; Q400 and Q401 form half-bridge drive circuit; the grid of Q400 connects the grid of Q401; the drain electrode of Q400 connects the output voltage positive pole of battery protecting circuit; its source electrode connects the drain electrode of Q401; the drain electrode of Q401 connects output voltage negative pole; C1, the series aiding connection circuit of C2 is connected in parallel between power supply positive and negative electrode, and oscillator Y connects respectively the source electrode of Q400 and the negative pole of C1.
CN201420251884.3U 2014-05-16 2014-05-16 Novel emergency starting power supply Expired - Fee Related CN203850881U (en)

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Application Number Priority Date Filing Date Title
CN201420251884.3U CN203850881U (en) 2014-05-16 2014-05-16 Novel emergency starting power supply

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Application Number Priority Date Filing Date Title
CN201420251884.3U CN203850881U (en) 2014-05-16 2014-05-16 Novel emergency starting power supply

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106685022A (en) * 2017-03-27 2017-05-17 深圳市华凯联有限公司 Device for realizing fast charging and fast discharging of power supply for emergency starting of automobile
CN112839402A (en) * 2019-11-22 2021-05-25 林业恒 High-low beam switching control explosion-flash headlamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106685022A (en) * 2017-03-27 2017-05-17 深圳市华凯联有限公司 Device for realizing fast charging and fast discharging of power supply for emergency starting of automobile
US10840710B2 (en) 2017-03-27 2020-11-17 USA Human International Group LLC Device capable of achieving fast charge and fast discharge of a vehicle emergency starting power source
CN112839402A (en) * 2019-11-22 2021-05-25 林业恒 High-low beam switching control explosion-flash headlamp

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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: 20140924

Termination date: 20160516