CN208539583U - Online emergency power supply control circuit and online emergency power supply - Google Patents
Online emergency power supply control circuit and online emergency power supply Download PDFInfo
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- CN208539583U CN208539583U CN201820499296.XU CN201820499296U CN208539583U CN 208539583 U CN208539583 U CN 208539583U CN 201820499296 U CN201820499296 U CN 201820499296U CN 208539583 U CN208539583 U CN 208539583U
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Abstract
The utility model discloses a kind of online emergency power supply control circuit and online emergency power supply, including MCU control module, starting module, voltage detection module, power supply module and charge and discharge control module, the starting module is connect with the MCU control module, and the starting module wakes up according to enabling signal starts the MCU control module；The power supply module, voltage detection module and charge and discharge control module are connect with the MCU control module, and the MCU control module controls opening or closing for the charge and discharge control module according to the detection signal of voltage detection module.The online car emergency power circuit of the utility model and online examination car emergency power supply, by adding MCU control module and charge and discharge control module, automobile can be started by making the user do not need to connect car emergency power supply manually, and be charged automatically to the internal cell of car emergency power supply.
Description
Technical field
The utility model relates to the field of circuit technology of power supply, in particular to a kind of online emergency power supply control circuit and
Online emergency power supply.
Background technique
Car emergency power supply is to start automobile when can not starting automobile for automobile power shortage or other reasons
A kind of auxiliary tool is also car emergency starter, the power supply of automobile batteries offer in short-term can be directly connected to, to have assisted
It need to charge after completing work at firing action, to meet the use electricity of next time.
Inside most of automobiles, business machine, lead-acid battery can be all used, battery all in stand-by state and is owed mostly
State is filled, inside battery chemical element is easy to generate inertia and vulcanize in this case, and travels in short distance garage
When, engine frequent starting, automobile batteries is in frequent deep discharge state, and the service life of battery will be greatly reduced, along with very much
Vehicle can be parked in garage and not have to for a long time, so that driving not striking sparks when igniting, at this moment can be opened by car emergency power supply
Electrical automobile.
In the prior art, user needs to open front cover for vehicle before using car emergency power initiation automobile, by car emergency
Start automobile after the positive and negative anodes connection of the output end and automobile batteries of power supply, needs to disconnect car emergency power supply as early as possible after starting successfully
It with automobile batteries, is easy to generate security risk because of misoperation, needs to connect alternating current or other electricity using charger after being used for multiple times
Source is charged, and needs long term maintenance, when for a long time all without in use, should charge at three months or so, if
For a long time without maintenance, in the case that the internal cell of car emergency power supply is chronically at not enough power supply, automobile is easy to cause to answer
The reduced service life in urgent telegram source.
Utility model content
The main purpose of the utility model is to provide a kind of online car emergency power circuit and online car emergency
Power supply solves security hidden trouble present in use process.
To solve the above-mentioned problems, the utility model provides a kind of online emergency power supply control circuit, including MCU control
Module, starting module, voltage detection module, power supply module and charge and discharge control module,
Above-mentioned starting module is connect with above-mentioned MCU control module, and above-mentioned starting module wakes up in starting according to enabling signal
State MCU control module；
Above-mentioned power supply module, voltage detection module and charge and discharge control module are connect with above-mentioned MCU control module, on
It states MCU control module and opening or closing for above-mentioned charge and discharge control module is controlled according to the detection signal of voltage detection module.
Further, in above-mentioned online emergency power supply control circuit, above-mentioned charge and discharge control module includes field-effect
Pipe Q2, resistance R18, resistance R19, diode D6, relay K1 and relay K2, the cathode of internal cell and bearing for external cell
Pole connection, the source electrode of above-mentioned field-effect tube Q2 is connected between the cathode of above-mentioned internal cell and the cathode of external cell, above-mentioned
The grid of field-effect tube Q2 is connect with above-mentioned MCU control module, the drain electrode of above-mentioned field-effect tube Q2 by above-mentioned resistance R19 with it is upper
The anode connection of diode D6 is stated, the cathode of above-mentioned diode D6 is connect with the positive terminal of above-mentioned internal cell, above-mentioned relay
The positive terminal of one end connection said external battery of K1, the other end of above-mentioned relay K1 are being connected to above-mentioned diode D6 just
Between pole and the positive terminal of internal cell, above-mentioned relay K2 is connected to the both ends of above-mentioned relay K1, above-mentioned resistance
R18 is connected to the both ends of above-mentioned resistance R19.
Further, in above-mentioned online emergency power supply control circuit, above-mentioned power supply module includes diode D4, pressure stabilizing
The anode of device U2 and capacitor C9, external cell are connect with the positive of above-mentioned diode D4, the cathode of above-mentioned diode D4 with it is above-mentioned
The input terminal of voltage-stablizer U2 connects, and the output end of above-mentioned voltage-stablizer U2 is connect with above-mentioned MCU control module, and the one of above-mentioned capacitor C9
End is connected between the cathode of above-mentioned diode D4 and the input terminal of voltage-stablizer U2, the other end of above-mentioned capacitor C9 and above-mentioned steady
The ground terminal of depressor U2 connects.
It further, further include emergency service module, Emergent detection mould in above-mentioned online emergency power supply control circuit
Block and emergency starting module,
Above-mentioned emergency service module exports supply voltage to above-mentioned MCU control module by above-mentioned power supply module；
Above-mentioned Emergent detection module is connect with above-mentioned emergency service module and above-mentioned MCU control module, above-mentioned Emergent detection
Module, which detects the working condition of above-mentioned emergency service module and will test signal, is transmitted to above-mentioned MCU control module；
Above-mentioned emergency starting module is connect with above-mentioned emergency service module and above-mentioned MCU control module, above-mentioned MCU control
Module controls opening or closing for above-mentioned emergency service module by above-mentioned emergency starting module.
Further, in above-mentioned online emergency power supply control circuit, above-mentioned emergency service module includes emergency button
S1, triode Q1, field-effect tube Q3, diode D3, resistance R6, resistance R7, resistance R8, resistance R9 and resistance R11,
One end of above-mentioned emergency button S1 is connected by the anode of above-mentioned resistance R6 and internal cell, the emergency button S1
The other end be sequentially connected resistance R9 and resistance R11, the emitter of the other end of above-mentioned resistance R11 and above-mentioned triode Q1 connect
It connects, the base stage of above-mentioned triode Q1 is connected between above-mentioned resistance R9 and resistance R11, and the collector of above-mentioned triode Q1 passes through
Above-mentioned resistance R7 is connect with the grid of above-mentioned field-effect tube Q3, the source electrode of above-mentioned field-effect tube Q3 be connected to above-mentioned resistance R6 and
Between above-mentioned emergency button S1, the drain electrode of above-mentioned field-effect tube Q3 is connect with the anode of above-mentioned diode D2, above-mentioned diode
The cathode of D2 is connected to above-mentioned power supply module connection, and one end of above-mentioned resistance R8 is connected to resistance R6's and above-mentioned field-effect tube Q3
Between source electrode, the other end is connected between above-mentioned resistance R7 and the grid of above-mentioned field-effect tube Q3.
Further, in above-mentioned online emergency power supply control circuit,
Above-mentioned Emergent detection module includes resistance R26, resistance R27 and capacitor C10, and one end of above-mentioned resistance R26 is connected to
Between above-mentioned emergency button S1 and above-mentioned resistance R11, the other end is connect with above-mentioned MCU control module, above-mentioned resistance R27 and capacitor
The one end C10 be all connected to it is above-mentioned state between resistance R26 and MCU control module, the other end is grounded；
Above-mentioned emergency starting module includes resistance R10 and diode D2, and one end of above-mentioned resistance R10 is connected to above-mentioned three pole
Between the emitter and resistance R11 of pipe Q1, the other end is connect with the cathode of above-mentioned diode D2, above-mentioned diode D2 anode with
Above-mentioned MCU control module connection.
Further, in above-mentioned online emergency power supply control circuit, above-mentioned starting module include the first starting module,
Second starting module and third starting module,
Above-mentioned first starting module is connect with external equipment, transmitted signal and biography when for receiving external device start
Transport to above-mentioned MCU control module；
Above-mentioned second starting module is connect by remote control input port with external equipment, and received signal is transmitted
To above-mentioned MCU control module；
Above-mentioned third starting module is connect with external cell and above-mentioned MCU control module respectively, detects the electricity of external cell
Buckling simultaneously transmits a signal to above-mentioned MCU control module.
It further, further include low pressure alarming module in above-mentioned online emergency power supply control circuit, above-mentioned low pressure report
Alert module is connect with above-mentioned MCU control module and power supply module, and above-mentioned MCU control module is according to the inspection of above-mentioned voltage detection module
It surveys signal and controls opening or closing for above-mentioned low pressure alarming module.
Further, further include display module in above-mentioned online emergency power supply control circuit, above-mentioned display module with
Above-mentioned MCU control module is connected with power supply module, and above-mentioned MCU control module is according to the working condition of above-mentioned charge and discharge control module
Control opening or closing for above-mentioned display module.
The utility model also provides a kind of online emergency power supply, including online emergency power supply control circuit, further includes
Lithium titanate battery, above-mentioned online emergency power supply control circuit are connected with lithium titanate battery.
The online emergency power supply control circuit of the utility model and online emergency power supply control mould by adding MCU
Block and charge and discharge control module, automobile can be started by making the user do not need to connect car emergency power supply manually, and give automobile automatically
The internal cell of emergency power supply charges；By the way that voltage detection module is arranged, make charge and discharge control module according to detection signal
Control the charge and discharge of automobile batteries and internal cell；By adding emergency service module, by interior when keeping automobile battery voltage lower
Portion's battery is powered to start automobile to MCU control module；Pass through the first starting module of setting, the second starting module and the
Three starting modules, making car emergency power supply tool, there are three types of quick start modes.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of an embodiment of the present invention；
Fig. 2 is the electrical block diagram of an embodiment of the present invention.
1, MCU control module；2, charge and discharge control module；3, starting module；4, voltage detection module；5, power supply module；
6, emergency service module；7, emergency starting module；8, Emergent detection module；9, display module；10, low pressure alarming module；31,
First starting module；32, the second starting module；33, third starting module.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and above-mentioned connection, which can be, directly to be connected
It connects, is also possible to be indirectly connected with.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
Referring to Fig.1-2, a kind of online emergency power supply control circuit of an embodiment of the present invention, including MCU are proposed
Control module 1, starting module 3, voltage detection module 4, power supply module 5 and charge and discharge control module 2, above-mentioned starting module 3 with
Above-mentioned MCU control module 1 connects, and above-mentioned starting module 3 wakes up according to enabling signal starts above-mentioned MCU control module 1；Above-mentioned confession
Electric module 5, voltage detection module 4 and charge and discharge control module 2 are connect with above-mentioned MCU control module 1, above-mentioned MCU control
Module 1 controls opening or closing for above-mentioned charge and discharge control module 2 according to the detection signal of voltage detection module 4, wherein above-mentioned
MCU control module 1 is STM8S003F3 single-chip microcontroller, and above-mentioned voltage detection module 4 detects automobile batteries and car emergency power supply
The voltage of internal cell, and will test signal and be transmitted to above-mentioned MCU control module 1, when the voltage for detecting automobile batteries is lower than
At 12.2 volts, above-mentioned MCU control module 1 controls above-mentioned charge and discharge control module 2 and carries out car assisted open of charging to automobile batteries
Dynamic, therefore, automobile batteries connection car emergency power supply is restarted automobile manually without opening front cover for vehicle by user, when detecting
When internal battery voltage is lower than 10 volts, above-mentioned MCU control module 1 controls above-mentioned charge and discharge control module 2 and carries out to internal cell
Charging to make the user do not need that car emergency power supply connection external power supply is charged and safeguarded manually, and avoids vapour
Vehicle battery and internal cell are in stand-by state and charge less state for a long time, to improve making for automobile batteries and internal cell
Use the service life.
In the present embodiment, in above-mentioned online emergency power supply control circuit, above-mentioned charge and discharge control module 2 includes field
Effect pipe Q2, resistance R18, resistance R19, diode D6, relay K1 and relay K2, the cathode and external cell of internal cell
Cathode connection, the source electrode of above-mentioned field-effect tube Q2 is connected between the cathode of above-mentioned internal cell and the cathode of external cell,
The grid of above-mentioned field-effect tube Q2 is connect with above-mentioned MCU control module 1, and the drain electrode of above-mentioned field-effect tube Q2 passes through above-mentioned resistance
R19 is connect with the anode of above-mentioned diode D6, and the cathode of above-mentioned diode D6 is connect with the positive terminal of above-mentioned internal cell, above-mentioned
The positive terminal of one end connection said external battery of relay K1, the other end of above-mentioned relay K1 are connected to above-mentioned diode
Between the anode of D6 and the positive terminal of internal cell, above-mentioned relay K2 is connected to the both ends of above-mentioned relay K1, above-mentioned
Resistance R18 is connected to the both ends of above-mentioned resistance R19, wherein the grid connection of above-mentioned field-effect tube Q2 is above-mentioned
The RLY pin of STM8S003F3 single-chip microcontroller, the grid of above-mentioned 1 outputting drive voltage of MCU control module to above-mentioned field-effect tube Q2
Above-mentioned field-effect tube Q2 is driven to be connected, thus the line for making the anode of above-mentioned automobile batteries pass through above-mentioned relay K1 and relay K2
It encloses, is grounded after the source electrode using the Q2 of above-mentioned resistance R18, resistance R19 and field-effect tube, makes above-mentioned relay K1 and relay
The contact of device K2 is connected, to make above-mentioned internal cell connect fast automatic assistant starting automobile with automobile batteries, when above-mentioned interior
When the voltage of portion's battery is lower than 10 volts, then above-mentioned automobile batteries connects in above-mentioned by relay K1 with the contact of relay K2
Portion's battery charges to above-mentioned internal cell in the case where car engine work, and there is no need to users to connect manually
Complete starting and charging.
In the present embodiment, in above-mentioned online emergency power supply control circuit, above-mentioned power supply module 5 includes diode
D4, voltage-stablizer U2 and capacitor C9, the anode of external cell are connect with the anode of above-mentioned diode D4, the cathode of above-mentioned diode D4
It is connect with the input terminal of above-mentioned voltage-stablizer U2, the output end of above-mentioned voltage-stablizer U2 is connect with above-mentioned MCU control module 1, above-mentioned electricity
Hold C9 one end be connected between the cathode of above-mentioned diode D4 and the input terminal of voltage-stablizer U2, the other end of above-mentioned capacitor C9 with
The ground terminal of above-mentioned voltage-stablizer U2 connects, and what the output end of above-mentioned voltage-stablizer U2 connected above-mentioned STM8S003F3 single-chip microcontroller the 9th draws
Foot exports 3.3 volts of stable voltages and powers to above-mentioned MCU control module 1.
It in the present embodiment, further include emergency service module 6, emergency in above-mentioned online emergency power supply control circuit
Detection module 8 and emergency starting module 7, above-mentioned emergency service module 6 export supply voltage to above-mentioned by above-mentioned power supply module 5
MCU control module 1；Above-mentioned Emergent detection module 8 is connect with above-mentioned emergency service module 6 and above-mentioned MCU control module 1, above-mentioned
Emergent detection module 8, which detects the working condition of above-mentioned emergency service module 6 and will test signal, is transmitted to above-mentioned MCU control module
1；Above-mentioned emergency starting module 7 is connect with above-mentioned emergency service module 6 and above-mentioned MCU control module 1, above-mentioned MCU control module
1 controls opening or closing for above-mentioned emergency service module 6 by above-mentioned emergency starting module 7.
In the present embodiment, in above-mentioned online emergency power supply control circuit, above-mentioned emergency service module 6 includes answering
Anxious switch S1, triode Q1, field-effect tube Q3, diode D3, resistance R6, resistance R7, resistance R8, resistance R9 and resistance R11, on
One end of emergency button S1 is stated to connect by the anode of above-mentioned resistance R6 and internal cell, the other end of above-mentioned emergency button S1 according to
Secondary connection resistance R9 and resistance R11, the other end of above-mentioned resistance R11 are connect with the emitter of above-mentioned triode Q1, above-mentioned three pole
The base stage of pipe Q1 is connected between above-mentioned resistance R9 and resistance R11, the collector of above-mentioned triode Q1 by above-mentioned resistance R7 with
The grid of above-mentioned field-effect tube Q3 connects, and the source electrode of above-mentioned field-effect tube Q3 is connected to above-mentioned resistance R6 and above-mentioned emergency button S1
Between, the drain electrode of above-mentioned field-effect tube Q3 is connect with the anode of above-mentioned diode D2, and the cathode of above-mentioned diode D2 is connected to
It states between the input terminal of voltage-stablizer U2 and above-mentioned capacitor C9, one end of above-mentioned resistance R8 is connected to resistance R6 and above-mentioned field-effect tube
Between the source electrode of Q3, the other end is connected between above-mentioned resistance R7 and the grid of above-mentioned field-effect tube Q3, wherein when above-mentioned automobile
When the voltage of battery is lower than 5 volts, then automobile can not start, and user can press above-mentioned emergency button S1, to make above-mentioned internal electricity
Pond exports 3.3 volts of stable voltages to above-mentioned MCU by the output end of above-mentioned voltage-stablizer U2 again after above-mentioned emergency service module 6
Control module 1 is powered.
In the present embodiment, in above-mentioned online emergency power supply control circuit, above-mentioned Emergent detection module 8 includes electricity
Hinder R26, resistance R27 and capacitor C10, one end of above-mentioned resistance R26 be connected to above-mentioned emergency button S1 and above-mentioned resistance R11 it
Between, the other end is connect with above-mentioned MCU control module 1, and above-mentioned resistance R27 and the one end capacitor C10 are all connected to above-mentioned state resistance R26
Between MCU control module 1, the other end is grounded；Above-mentioned emergency starting module 7 includes resistance R10 and diode D2, above-mentioned electricity
One end of resistance R10 is connected between the emitter and resistance R11 of above-mentioned triode Q1, and the other end is negative with above-mentioned diode D2's
The anode of pole connection, above-mentioned diode D2 is connect with above-mentioned MCU control module 1, wherein the other end of above-mentioned resistance R26 connects
The SV pin of above-mentioned STM8S003F3 single-chip microcontroller is powered when the above-mentioned emergency service module 6 of starting to above-mentioned MCU control module 1
Meanwhile above-mentioned Emergent detection module 8 will test signal and be transmitted to above-mentioned MCU control module 1, the above-mentioned judgement of MCU control module 1 is worked as
Preceding working condition is emergency rating, to control above-mentioned 1 outputting drive voltage of MCU control module to above-mentioned charge and discharge control mould
Block 2, so that above-mentioned internal cell be made to connect fast automatic assistant starting automobile with automobile batteries.
In the present embodiment, in above-mentioned online emergency power supply control circuit, above-mentioned starting module 3 includes the first starting
Module 31, the second starting module 32 and third starting module 33, above-mentioned first starting module 31 is connect with external equipment, for connecing
Transmitted signal and above-mentioned MCU control module 1 is transmitted to when receiving external device start；Above-mentioned second starting module 32 passes through remote
Journey remote control input port is connect with external equipment, and received signal is transmitted to above-mentioned MCU control module 1；Above-mentioned third opens
Dynamic model block 33 is connect with external cell and above-mentioned MCU control module 1 respectively, is detected the voltage change of external cell and is passed signal
Transport to above-mentioned MCU control module 1, wherein above-mentioned first starting module 31 receives the signal issued when automobile starting and just opens
Above-mentioned MCU control module 1 is moved, above-mentioned MCU control module 1 controls above-mentioned voltage detection module 4 and detects internal cell and external electrical
The voltage in pond just controls above-mentioned charge and discharge control module 2 and charges when the brownout of internal cell or external cell.
Above-mentioned third starting module 33 is internal quick start mode, and when due to automobile starting, the Voltage Drop of automobile batteries is above-mentioned to open
Dynamic model block 3 will test the FV detection foot that signal is transmitted to above-mentioned MCU control module 1, to wake up starting.
It in the present embodiment, further include low pressure alarming module 10 in above-mentioned online emergency power supply control circuit, it is above-mentioned
Low pressure alarming module 10 is connect with above-mentioned MCU control module 1 and power supply module 5, and above-mentioned MCU control module 1 is according to above-mentioned voltage
The detection signal of detection module 4 controls opening or closing for above-mentioned low pressure alarming module 10, wherein above-mentioned low pressure alarming module 10
It is connected and is formed with resistance R29 by buzzer, diode D8, triode Q5, resistance R28, when above-mentioned voltage detection module 4 detects
When the voltage of automobile batteries is lower than 12.2 volts, above-mentioned low pressure alarming module 10 prompts user, and automobile batteries needs at this time for under-voltage condition
It charges.
It in the present embodiment, further include display module 9, above-mentioned display in above-mentioned online emergency power supply control circuit
Module 9 is connect with above-mentioned MCU control module 1 and power supply module 5, and above-mentioned MCU control module 1 is according to above-mentioned charge and discharge control module
The above-mentioned display module 9 of 2 working state control opens or closes, wherein above-mentioned display module 9 by LED green light, LED blue lamp,
Resistance R22 connects composition with resistance R23, and one end of above-mentioned resistance R22 connects the 5th pin of STM8S003F3 single-chip microcontroller, separately
One end connects above-mentioned LED green light, and when above-mentioned car emergency power initiation, the 5th pin of above-mentioned STM8S003F3 single-chip microcontroller is defeated
Low level makes above-mentioned LED green light out, reminds the current car emergency power supply of user just in assistant starting automobile, above-mentioned resistance R23
One end connection STM8S003F3 single-chip microcontroller the 6th pin, the other end connects above-mentioned LED green light, when above-mentioned internal cell charges
When, the 6th pin output low level of above-mentioned STM8S003F3 single-chip microcontroller keeps above-mentioned LED blue lamp bright, and the current automobile of user is reminded to answer
It is charging in urgent telegram source.
It is proposed a kind of online emergency power supply of an embodiment of the present invention, including lithium titanate battery and above-mentioned online
Emergency power supply control circuit, above-mentioned online emergency power supply control circuit are connected with lithium titanate battery, wherein above-mentioned lithium titanate electricity
Pond internal stability, is not likely to produce inertia and vulcanizes, and the service life is longer.
The online emergency power supply control circuit of the utility model and online emergency power supply are controlled by adding above-mentioned MCU
Molding block 1 and above-mentioned charge and discharge control module 2, automobile can be started by making the user do not need to connect car emergency power supply manually, and
Automatically it charges to the internal cell of car emergency power supply；By the way that above-mentioned voltage detection module 4 is arranged, keep above-mentioned charge and discharge automatically controlled
Molding block 2 controls the charge and discharge of automobile batteries and internal cell according to detection signal；By adding above-mentioned emergency service module 6,
It is powered to start automobile to above-mentioned MCU control module 1 by internal cell when keeping automobile battery voltage lower；Pass through setting
Above-mentioned first starting module 31, the second starting module 32 and third start 33 modules, and making car emergency power supply tool, there are three types of quickly
Starting mode.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of online emergency power supply control circuit, which is characterized in that including MCU control module, starting module, voltage detecting
Module, power supply module and charge and discharge control module,
The starting module is connect with the MCU control module, and the starting module wakes up according to enabling signal starts the MCU
Control module；
The power supply module, voltage detection module and charge and discharge control module are connect with the MCU control module, described
MCU control module controls opening or closing for the charge and discharge control module according to the detection signal of voltage detection module.
2. online emergency power supply control circuit according to claim 1, which is characterized in that the charge and discharge control module
Including field-effect tube Q2, resistance R18, resistance R19, diode D6, relay K1 and relay K2, the cathode of internal cell and outer
The cathode of portion's battery connects, and the source electrode of the field-effect tube Q2 is connected to the cathode of the internal cell and the cathode of external cell
Between, the grid of the field-effect tube Q2 is connect with the MCU control module, and the drain electrode of the field-effect tube Q2 passes through the electricity
Resistance R19 is connect with the anode of the diode D6, and the cathode of the diode D6 is connect with the positive terminal of the internal cell, institute
The one end for stating relay K1 connects the positive terminal of the external cell, and the other end of the relay K1 is connected to the diode
Between the anode of D6 and the positive terminal of internal cell, the relay K2 is connected to the both ends of the relay K1, described
Resistance R18 is connected to the both ends of the resistance R19.
3. online emergency power supply control circuit according to claim 1, which is characterized in that the power supply module includes two
Pole pipe D4, voltage-stablizer U2 and capacitor C9, the anode of external cell are connect with the anode of the diode D4, the diode D4's
Cathode is connect with the input terminal of the voltage-stablizer U2, and the output end of the voltage-stablizer U2 is connect with the MCU control module, described
One end of capacitor C9 is connected between the cathode of the diode D4 and the input terminal of voltage-stablizer U2, the other end of the capacitor C9
It is connect with the ground terminal of the voltage-stablizer U2.
4. online emergency power supply control circuit according to claim 1, which is characterized in that further include emergency service mould
Block, Emergent detection module and emergency starting module,
The emergency service module exports supply voltage to the MCU control module by the power supply module；
The Emergent detection module is connect with the emergency service module and the MCU control module, the Emergent detection module
It detects the working condition of the emergency service module and will test signal and be transmitted to the MCU control module；
The emergency starting module is connect with the emergency service module and the MCU control module, and the MCU control module is logical
It crosses the emergency starting module and controls opening or closing for the emergency service module.
5. online emergency power supply control circuit according to claim 4, which is characterized in that the emergency service module packet
Include emergency button S1, triode Q1, field-effect tube Q3, diode D3, resistance R6, resistance R7, resistance R8, resistance R9 and resistance
R11,
One end of the emergency button S1 is connected by the anode of the resistance R6 and internal cell, and the emergency button S1's is another
One end is sequentially connected resistance R9 and resistance R11, and the other end of the resistance R11 is connect with the emitter of the triode Q1, institute
The base stage for stating triode Q1 is connected between the resistance R9 and resistance R11, and the collector of the triode Q1 passes through the electricity
Resistance R7 is connect with the grid of the field-effect tube Q3, and the source electrode of the field-effect tube Q3 is connected to the resistance R6 and the emergency
Between switch S1, the drain electrode of the field-effect tube Q3 is connect with the anode of the diode D2, and the cathode of the diode D2 connects
It is connected to the power supply module connection, one end of the resistance R8 is connected between resistance R6 and the source electrode of the field-effect tube Q3,
The other end is connected between the resistance R7 and the grid of the field-effect tube Q3.
6. online emergency power supply control circuit according to claim 5, which is characterized in that the Emergent detection module packet
Resistance R26, resistance R27 and capacitor C10 are included, one end of the resistance R26 is connected to the emergency button S1 and the resistance R11
Between, the other end is connect with the MCU control module, and the resistance R27 and the one end capacitor C10 are all connected to the resistance R26
Between MCU control module, the other end is grounded；
The emergency starting module includes resistance R10 and diode D2, and one end of the resistance R10 is connected to the triode Q1
Emitter and resistance R11 between, the other end is connect with the cathode of the diode D2, the diode D2 anode with it is described
MCU control module connection.
7. online emergency power supply control circuit according to claim 1, which is characterized in that the starting module includes the
One starting module, the second starting module and third starting module,
First starting module is connect with external equipment, transmitted signal and is transmitted to when for receiving external device start
The MCU control module；
Second starting module is connect by remote control input port with external equipment, and received signal is transmitted to institute
State MCU control module；
The third starting module is connect with external cell and the MCU control module respectively, and the voltage for detecting external cell becomes
Change and transmits a signal to the MCU control module.
8. online emergency power supply control circuit according to claim 1, which is characterized in that further include low pressure alarming mould
Block, the low pressure alarming module are connect with the MCU control module and power supply module, and the MCU control module is according to the electricity
The detection signal of pressure detection module controls opening or closing for the low pressure alarming module.
9. online emergency power supply control circuit according to claim 1, which is characterized in that it further include display module, institute
It states display module to connect with the MCU control module and power supply module, the MCU control module is according to the charge and discharge control mould
Display module described in the working state control of block opens or closes.
10. a kind of online emergency power supply, including the online emergency power supply control circuit, which is characterized in that further include titanium
Acid lithium battery, the online emergency power supply control circuit are connected with lithium titanate battery.
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| CN201820499296.XU CN208539583U (en) | 2018-04-09 | 2018-04-09 | Online emergency power supply control circuit and online emergency power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288869A (en) * | 2018-04-09 | 2018-07-17 | 深圳市雅德电源科技股份有限公司 | Online emergency power supply control circuit and online emergency power supply |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288869A (en) * | 2018-04-09 | 2018-07-17 | 深圳市雅德电源科技股份有限公司 | Online emergency power supply control circuit and online emergency power supply |
| CN108288869B (en) * | 2018-04-09 | 2024-05-14 | 深圳市雅德电源科技股份有限公司 | On-line emergency power supply control circuit and on-line emergency power supply |
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