CN207835085U - A kind of power circuit and power supply with super-charge super-discharge defencive function - Google Patents
A kind of power circuit and power supply with super-charge super-discharge defencive function Download PDFInfo
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- CN207835085U CN207835085U CN201721584131.4U CN201721584131U CN207835085U CN 207835085 U CN207835085 U CN 207835085U CN 201721584131 U CN201721584131 U CN 201721584131U CN 207835085 U CN207835085 U CN 207835085U
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Abstract
The utility model discloses a kind of power circuit with super-charge super-discharge defencive function comprising：Power conversion module, voltage output module, control chip, battery charging module, battery powered module, first voltage acquisition module and second voltage acquisition module.The utility model is provided with first voltage acquisition module for acquiring mains voltage signal and being provided with second voltage acquisition module for acquiring voltage signal when battery discharging, coordinate control chip by two different voltage signals, it controls battery discharging and stops electric discharge, it prevents from accumulator from crossing to put, it is provided with battery charging module control battery charging, battery prevents accumulator super-charge full of being filled from dynamic circuit breaker, the service life for greatly prolonging accumulator improves the properties of product of power supply.
Description
Technical field
The utility model is related to power technique fields, and in particular, to a kind of power supply with super-charge super-discharge defencive function
Circuit and power supply.
Background technology
Current many electronic equipments are both provided with backup power supply, to prevent electronic equipment to be stopped after power is turned off, example
Such as：The electronic equipments such as electronic lock, entrance door access machine, building speakerphone.Current backup power supply only has outage detection and right
Battery is charged and discharged, but is not had to battery and overcharged or Cross prevention so that backup power supply when in use between long afterwards, because multiple
It overcharges and crosses and put, shorter battery life, to influence the bulk life time of backup power supply.
Utility model content
In view of the deficiencies of the prior art, the utility model provide a kind of power circuit with super-charge super-discharge defencive function and
Power supply.
It is according to the present utility model in a first aspect, the utility model provides a kind of power supply with super-charge super-discharge defencive function
Circuit, for connecting AC power, accumulator and peripheral hardware terminal, which is characterized in that it includes：
Power conversion module, voltage output module, control chip, first voltage acquisition module, battery charging module, battery
Power supply module and second voltage acquisition module；
Power conversion module is used to AC power being converted into DC power supply and exports DC voltage to power supply modulus of conversion
Block；
Voltage output module is connected to power conversion module；Voltage output module obtains DC voltage and exports first
Supply voltage and the second supply voltage；Wherein, the first supply voltage is used for in-line power, and the second supply voltage is filled for accumulator
Electricity and the power supply of peripheral hardware terminal；
Chip is controlled, is connect with voltage output module；Wherein, the first supply voltage is used to control the power supply of chip；
First voltage acquisition module is set between power conversion module and control chip；First voltage acquisition module
DC voltage for being exported according to power conversion module generates corresponding first sampled voltage, and first sampled voltage is defeated
Enter to control chip；If controlling chip obtains the first sampled voltage, controls the first control level of chip output to battery and charge
Module；If the first sampled voltage has not been obtained in control chip, the second control level of chip output is controlled to battery powered module；
Battery charging module connect with voltage output module, control chip and accumulator connects respectively；If battery fills
Electric module obtains the first control level, is charged to accumulator by the second supply voltage；If battery charging module does not obtain
The first control level is taken, then it does not charge to accumulator；
Battery powered module is connect with control chip, accumulator and peripheral hardware terminal respectively；If battery powered module obtains
Take the second control level, control accumulator output voltage to peripheral hardware terminal；If the second control electricity has not been obtained in battery powered module
It is flat, control accumulator not output voltage to peripheral hardware terminal；
Second voltage acquisition module is set between battery powered module and control chip；Second voltage acquisition module
Corresponding second sampled voltage is generated for changing with the output voltage of accumulator, and second sampled voltage is input to control
Coremaking piece；If the second sampled voltage falls into preset range, controls chip and stop the second control level of output to battery powered mould
Block controls the action before chip is kept if the second sampled voltage does not fall within preset range.
An embodiment according to the present utility model, power conversion module include：First coupling coil, the second coupling line
Circle, the first diode, the second diode, third diode, the 4th diode, the first filter capacitor and the first filter inductance；
First coupling coil couples mutual cooperation with the second coupling coil and is coupled；One end of second coupling coil and the first diode
Anode and the second diode cathode connection；First diode connect the first filter capacitor simultaneously with the cathode of third diode
Anode；Second diode connect the negative of the first filter capacitor by the first filter inductance simultaneously with the anode of the 4th diode
Pole；The other end of the cathode of the anode of third diode and the 4th diode the second coupling coil simultaneously.
An embodiment according to the present utility model, voltage output module include：First voltage stabilizing chip, the second filtered electrical
Appearance, the second voltage stabilizing chip and third filter capacitor；The input terminal of first voltage stabilizing chip is parallel to the first diode and the three or two
Between the cathode of pole pipe and the anode of the first filter capacitor；The output end of first voltage stabilizing chip connects the second filter capacitor simultaneously
The input terminal of anode and the second voltage stabilizing chip；The ground terminal of first voltage stabilizing chip connects the cathode of the second filter capacitor；Second is steady
The output end for pressing chip is connect with the anode of third filter capacitor；The ground terminal of second voltage stabilizing chip is negative with third filter capacitor
Pole connects.
An embodiment according to the present utility model, the first voltage stabilizing chip are integrated chip L7815；Second voltage stabilizing chip is
Integrated chip L7805.
An embodiment according to the present utility model, battery charging module include：First resistor, second resistance, third electricity
Resistance, the 4th resistance, the first triode, the second triode, the 5th diode and the 6th diode；One end of first resistor connects
Chip is controlled, the other end is separately connected one end of second resistance and the base stage of the first triode；Another termination of second resistance
Ground；One end of the collector connection 3rd resistor of first triode, emitter ground connection；One end of 3rd resistor is separately connected
The base stage of one end of four resistance and the second triode；One end of 4th resistance, the emitter of the second triode and the five or two pole
The anode of pipe while the output end of the first voltage stabilizing chip；The collector of second triode is connect with the anode of the 6th diode；The
The cathode of two or five diodes and second diode connects the anode of accumulator simultaneously.
An embodiment according to the present utility model, battery charging module further include：Second filter inductance；Second filtered electrical
Sense is parallel to the both ends of the 6th diode.
An embodiment according to the present utility model, battery powered module include：5th resistance, the 6th resistance, the three or three
Pole pipe, the 7th diode, relay；One end of 5th resistance is connect with control chip, and the other end is separately connected the 6th resistance
One end and third transistor base stage；The other end of 6th resistance is grounded；The collector of third transistor is separately connected the 7th
The anode of diode and the first end of relay；The emitter of third transistor is grounded；The cathode and relay of 7th diode
Second end and third end simultaneously connect second voltage acquisition module；The output end of 4th section of connection accumulator of relay.
An embodiment according to the present utility model, first voltage acquisition module include：8th diode, the 7th resistance with
And the 8th resistance；The anode of eight diodes is parallel to the anode of the second coupling coil and third diode and the moon of the 4th diode
Between pole；The cathode of 8th diode is connect with one end of the 7th resistance；One end of the other end and the 8th resistance of 7th resistance
Connect control chip simultaneously；The other end of 8th resistance is grounded.
An embodiment according to the present utility model, second voltage acquisition module include：9th resistance, the tenth resistance,
11 resistance, twelfth resistor, thirteenth resistor and the 14th resistance；One end connection control chip of 9th resistance, it is another
One end is separately connected one end of the tenth resistance and one end of eleventh resistor；The other end of tenth resistance is grounded；Eleventh resistor
The other end and one end of twelfth resistor connect the third end of relay simultaneously；The other end of twelfth resistor is separately connected
One end of 13 resistance and one end of the 14th resistance；The other end connection control chip of thirteenth resistor；14th resistance
The other end is grounded.
Second aspect according to the present utility model, the utility model provide a kind of power supply comprising：Accumulator and this reality
With the power circuit with super-charge super-discharge defencive function described in novel first aspect；Accumulator is protected with super-charge super-discharge
The power circuit of function connects.
The advantageous effect that the utility model is different from the prior art is：The utility model is provided with first voltage acquisition module
For acquiring mains voltage signal and being provided with voltage signal when second voltage acquisition module is used to acquire battery discharging,
Coordinate control chip by two different voltage signals, control battery discharging and stop electric discharge, prevents accumulator from crossing and put,
It is provided with battery charging module control battery charging, battery prevents accumulator super-charge, greatly prolong accumulator full of being filled from dynamic circuit breaker
Service life, improve the properties of product of power supply.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the control schematic diagram of the power circuit with super-charge super-discharge defencive function in embodiment one；
Fig. 2 is the circuit diagram of the power circuit with super-charge super-discharge defencive function in embodiment one；
Fig. 3 is the structural schematic diagram of power supply in embodiment two.
Reference sign：100, power circuit；200, accumulator；300, remote control module；101, power conversion module；
102, voltage output module；103, chip is controlled；104, first voltage acquisition module；105, battery charging module；106, battery
Power supply module；107, second voltage acquisition module；U1, the first coupling coil；U2, the second coupling coil；D1, the first diode；
D2, the second diode；D3, third diode；D4, the 4th diode；C1, the first filter capacitor；L1, the first filter inductance；U1、
First voltage stabilizing chip；C2, the second filter capacitor；U2, the second voltage stabilizing chip；C3, third filter capacitor；R1, first resistor；R2、
Second resistance；R3,3rd resistor；R4, the 4th resistance；Q1, the first triode；Q2, the second triode；D5, the 5th diode；
D6, the 6th diode；L2, the second filter inductance；R5, the 5th resistance；R6, the 6th resistance；Q3, third transistor；D7, the seven or two
Pole pipe；K1, relay；K1A, coil；K1B, contact switch；D8, the 8th diode；R7, the 7th resistance；R8, the 8th resistance；
R9, the 9th resistance；R10, the tenth resistance；R11, eleventh resistor；R12, twelfth resistor；R13, thirteenth resistor；R14,
14 resistance；R15, the 15th resistance；LED1, the first indicator light；LED2, the second indicator light；R16, the 16th resistance；R17,
17 resistance；LED3, third indicator light.
Specific implementation mode
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit this practicality newly
Type.That is, in some embodiments of the utility model, the details in these practices is non-essential.In addition, for letter
For the sake of changing schema, some known usual structures will be painted it in a manner of simply illustrative in the drawings with component.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched with same technique term just for the sake of difference
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not within the protection domain of the requires of the utility model.
The utility model is the relevant design about a kind of power circuit with super-charge super-discharge defencive function and power supply,
The utility model and its caused benefit is further described in point two specific embodiments below.
Embodiment one：
The present embodiment provides a kind of power circuits 100 with super-charge super-discharge defencive function, are mainly used for connection exchange
Power supply, accumulator 200 and peripheral hardware terminal, wherein the peripheral hardware terminal can be building speakerphone, door access machine, electronic lock etc..
It is the control schematic diagram of the power circuit with super-charge super-discharge defencive function in embodiment one shown in please referring to Fig.1.
Power circuit 100 with super-charge super-discharge defencive function includes：Power conversion module 101, voltage output module
102, chip 103, battery charging module 105, battery powered module 106, first voltage acquisition module 104 and the second electricity are controlled
Press acquisition module 107.Wherein, power conversion module 101 is for being converted into DC power supply by AC power and exporting DC voltage
To power conversion module 102.Voltage output module 102 is connected to power conversion module 101, and voltage output module 102 is by obtaining
Take DC voltage, and the first voltage stabilizing chip U1 by being arranged in it and the second voltage stabilizing chip U2 export the first supply voltage and the
Two supply voltages, wherein the first supply voltage is that 5V is used for in-line power, and the second supply voltage is that 14.5V is used for accumulator 200
Charging and the power supply of peripheral hardware terminal.Chip 103 is controlled, is connect with voltage output module 102, the first supply voltage is for controlling core
The power supply of piece 103, specifically, control chip 103 are multifunctional single-chip, and the microcontroller of model MDT10F683 can be used.
First voltage acquisition module 104 is set between power conversion module 101 and control chip 103, first voltage acquisition module 104
DC voltage for being exported according to power conversion module 101 generates corresponding first sampled voltage, and first sampling is electric
Pressure is input to control chip 103, if control chip 103 obtains the first sampled voltage, controls first control of the output of chip 103
Level is to battery charging module 105, if the first sampled voltage has not been obtained in control chip 103, controls second control of the output of chip 103
Level processed is to battery powered module 106.Battery charging module 105 is connect with battery powered module 106, control chip 103 respectively
And accumulator 200 connects, if battery charging module 105 obtains the first control level, internal circuit conducting, battery charging mould
Block 105 charges to accumulator 200 by the second supply voltage, if the first control level has not been obtained in battery charging module 105,
Then 105 internal circuit of battery charging module is not turned on, and battery charging module 105 does not charge to accumulator 200.Battery powered
Module 106 is connect with control chip 103, accumulator 200 and peripheral hardware terminal respectively, if battery powered module 106 obtains second
Level, internal circuit conducting are controlled, battery powered module 106 controls 200 output voltage of accumulator to peripheral hardware terminal, if electric
The second control level has not been obtained in pond power supply module 106, and the internal circuit of battery powered module 106 is not turned on, battery powered module
106 control accumulators 200 not output voltage to peripheral hardware terminal.Second voltage acquisition module 107 is set to battery powered module
Between 106 and control chip 103, second voltage acquisition module 107 is controlled for accumulator 200 by the second control level
Output voltage variation and generate corresponding second sampled voltage, and by second sampled voltage be input to control chip 103, if
Second sampled voltage falls into preset range, then controls chip 103 and stop output the second control level to battery powered module 106,
If the second sampled voltage does not fall within preset range, the action before chip 103 is kept is controlled, presets model in the present embodiment
It encloses and is set as 0~10.4V.
Further, it is the power circuit with super-charge super-discharge defencive function in embodiment one shown in please referring to Fig.2
Circuit diagram.Power conversion module 101 includes：First coupling coil u1, the second coupling coil u2, the first diode D1, the two or two
Pole pipe D2, third diode D3, the 4th diode D4, the first filter capacitor C1 and the first filter inductance L1.When connection, first
Coupling coil u1 couples mutual cooperation with the second coupling coil u2 and is coupled, one end and the one or two pole of the second coupling coil u2
The cathode of the anode of pipe D1 and the second diode D2 connect, and the first diode D1 is connect simultaneously with the cathode of third diode D3
The anode of first filter capacitor C1, the first diode D1, the second diode D2, third diode D3, the 4th diode D4 are connected
It connects to form an electric bridge, rectification is carried out to the AC power after transformation.The anode of second diode D2 and the 4th diode D4 is simultaneously
By the cathode of first filter inductance L1 the first filter capacitors of connection C1, the first filter capacitor C1 and the first filter inductance L1's
Cooperation can effectively filter out alternating component also remaining in output DC voltage, avoid the harmonic wave interference in circuit, third diode
The other end of the cathode of the anode of D3 and the 4th diode D4 the second coupling coil u2 simultaneously.Power conversion module 101 further includes：
15th resistance R15 and the first indicator light LED1.One end of 15th resistance R15 is parallel to the second coupling coil u2 and third
Between the cathode of the anode of diode D3 and the 4th diode D4, the other end of the 15th resistance R15 connects the first indicator light
The anode of LED1, the minus earth of the first indicator light LED1.By the bright light of the first indicator light LED1 and turn off the light to AC power
Input state is identified, and is allowed an operator to more intuitive understanding to AC power input state, is facilitated further operating.
Further, please continue to refer to shown in Fig. 2, voltage output module 102 includes：First voltage stabilizing chip U1, the second filter
Wave capacitance C2, the second voltage stabilizing chip U2 and third filter capacitor C3.When connection, the input terminal of the first voltage stabilizing chip U1 is parallel to
Between the cathode and the anode of the first filter capacitor C1 of first diode D1 and third diode D3, the first voltage stabilizing chip U1's is defeated
Outlet connects the anode of the second filter capacitor C2 and the input terminal of the second voltage stabilizing chip U2, the ground connection of the first voltage stabilizing chip U1 simultaneously
The cathode of the second filter capacitor C2 of end connection, the output end of the second voltage stabilizing chip U2 are connect with the anode of third filter capacitor C3,
The ground terminal of second voltage stabilizing chip U2 is connect with the cathode of third filter capacitor C3.In order to preferably implement the utility model, the
One voltage stabilizing chip U1 is integrated chip L7815, and the second voltage stabilizing chip U2 is integrated chip L7805.Pass through the first voltage stabilizing chip U1
And second the voltage stabilizing chip U2 voltages that export power conversion module 101 carry out conversion and voltage stabilizing is in certain value, ensure rear end
The job stability of circuit, while the second filter capacitor C2 and third filter capacitor C3 couples of the first voltage stabilizing chip U1 and second is steady
The output voltage of pressure chip U2 further filters, and further strengthens both rear output stability 3.
Further, please continue to refer to shown in Fig. 2, battery charging module 105 includes：First resistor R1, second resistance R2,
3rd resistor R3, the 4th resistance R4, the first triode Q1, the second triode Q2, the 5th diode D5 and the 6th diode D6.
When connection, one end connection control chip 103 of first resistor R1, the other end is separately connected one end and first of second resistance R2
The base stage of triode Q1, the other end ground connection of second resistance R2, the one of the collector connection 3rd resistor R3 of the first triode Q1
End, emitter ground connection, one end of 3rd resistor R3 are separately connected one end of the 4th resistance R4 and the base stage of the second triode Q2,
The anode of one end of the 4th resistance R4, the emitter of the second triode Q2 and the 5th diode D5 connects the first voltage stabilizing core simultaneously
The collector of the output end of piece U1, the second triode Q2 is connect with the anode of the 6th diode D6, the 5th diode D5 and
The cathode of six diode D6 connects the anode of accumulator 200 simultaneously.Battery charging module 105 further includes：For carrying out accumulator
The second the filter inductance L2, the second filter inductance L2 filtered when 200 charging is parallel to the both ends of the 6th diode D6.Battery fills
Electric module 105 further includes：The anode of second indicator light LED2 and the 16th resistance R16, the second indicator light LED2 are parallel to second
Between the collector of triode Q2 and the anode of the 6th diode D6, the cathode of the second indicator light LED2 connects the 16th resistance
One end of R16, the other end ground connection of the 16th resistance R16 indicate that battery charges shape with the second indicator light LED2 bright lights and turning off the light
State, the intuitive of more convenient operation recognize 200 charged state of accumulator, facilitate further operating.
Further, please continue to refer to shown in Fig. 2, battery powered module 106 includes：5th resistance R5, the 6th resistance R6,
Third transistor Q3, the 7th diode D7, relay K1.Relay K1 is normally opened relay comprising coil K1A and and line
The matching used contact switch K1B of K1A are enclosed, when the load of the both ends coil K1A has voltage, contact switch K1B automatic picks.Connection
When, one end of the 5th resistance R5 is connect with control chip 103, and the other end is separately connected one end and the third of the 6th resistance R6
The base stage of triode Q3, the other end ground connection of the 6th resistance R6, the collector of third transistor Q3 are separately connected the 7th diode
The emitter of the anode of D7 and the first end (one end of coil K1A) of relay K1, third transistor Q3 is grounded, the 7th diode
The cathode of D7 connects simultaneously with the second end (other end of coil K1A) of relay K1 and third end (one end of contact switch K1B)
Second voltage acquisition module 107 is connect, the 4th end (other end of contact switch K1B) of relay K1 connects the defeated of accumulator 200
Outlet.Battery powered module 106 further includes：17th resistance R17 and third indicator light LED3, the one of the 17th resistance R17
End is parallel between the 4th end of relay K1 and the output end of accumulator 200, and the other end of the 17th resistance R17 connects third
The anode of indicator light LED3, the minus earth of third indicator light LED3 indicate that battery charges with third indicator light LED3 lights on and off
State, more convenient operator intuitively recognize the state that accumulator 200 is powered, facilitate further operating.
Further, please continue to refer to shown in Fig. 2, first voltage acquisition module 104 includes：8th diode D8, the 7th
Resistance R7 and the 8th resistance R8.When connection, the anode of the 8th diode D8 is parallel to the second coupling coil u2 and the three or two pole
Between the cathode of the anode of pipe D3 and the 4th diode D4, the cathode of the 8th diode D8 is connect with one end of the 7th resistance R7,
The other end of 7th resistance R7 connect control chip 103, another termination of the 8th resistance R8 with one end of the 8th resistance R8 simultaneously
Ground.
Further, please continue to refer to shown in Fig. 2, second voltage acquisition module 107 includes：9th resistance R9, the tenth
Resistance R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13 and the 14th resistance R14.When connection, the
One end connection control chip 103 of nine resistance R9, the other end are separately connected one end and the eleventh resistor of the tenth resistance R10
One end of R11, the other end ground connection of the tenth resistance R10, one end of the other end and twelfth resistor R12 of eleventh resistor R11
Connect the third end of relay K1 simultaneously, the other end of twelfth resistor R12 is separately connected one end and the of thirteenth resistor R13
One end of 14 resistance R14, the other end of the 103, the 14th resistance R14 of other end connection control chip of thirteenth resistor R13
Ground connection.
100 operation principle of power circuit with super-charge super-discharge defencive function of the utility model is as follows：
In the case of alternating current normal power supply, the AC power of alternating current is entered by the first coupling coil u1, and passes through the first coupling
Coil u1 couples mutual cooperation with the second coupling coil u2 and is coupled, and AC power is depressured, is added by the AC220 of alternating current
The AC12V being pressed on the second coupling coil u2, AC12V are by a diode D1, the second diode D2, third diode D3, the
Four diode D4 are connected to form a bridge commutating after form a DC voltage, the direct voltage output to the first voltage stabilizing chip U1
And the second voltage stabilizing chip U2, the first power supply of 14.5V is exported by the first voltage stabilizing chip U1 and the second voltage stabilizing chip U2 difference voltage stabilizings
Second supply voltage of voltage and 5V.Control chip 103 is collected by first voltage acquisition module 104 on electric bridge at this time
Voltage signal, control chip 103 output the first control level is to battery charging module 105, and first in battery charging module 105
Resistance R1 and second resistance R2, which is loaded, voltage, the conducting of the first triode Q1, because the first triode Q1 is connected, therefore the two or three pole
Pipe Q2 conductings, make the secondth supply voltage 14.5V charge accumulator 200.After accumulator 200 is full of, the two or three pole
The collector voltage of pipe Q2 is equal with full piezoelectric voltage (14.5V) of accumulator 200, at this time the collector voltage of the second triode Q2
Equal to emitter voltage, therefore no current flows through, and accumulator 200 is automatically stopped charging, protects accumulator 200, prevents from overcharging.
After alternating current stops power supply, the first sampled voltage has not been obtained in control chip 103, then controls the output of chip 103 second
Level is controlled to battery powered module 106, the 5th resistance R5 and the 6th resistance R6 loads at this time has voltage, third transistor Q3's
Base load has voltage, third transistor Q3 conductings, the at this time both ends the coil K1A load of relay K1 to have voltage, relay K1
Contact switch K1B automatic picks, accumulator 200 is powered peripheral hardware terminal at this time, also, second voltage acquisition module
107 acquisition discharge conditions accumulator 200 voltages generate the second sampled voltage, control 103 second sampled voltage of chip and
Judge whether the second sampled voltage falls into 0~10.4V of preset range, if not falling within 0~10.4V of preset range, controls chip
Action before 103 holdings, accumulator 200 keeps discharge condition, if falling into 0~10.4V of preset range, controls chip 103
Stop the second control level of output to battery powered module 106, so that accumulator 200 is stopped electric discharge, prevent accumulator 200 from crossing and put,
Extend the service life of accumulator 200.
Embodiment two：
It is the structural schematic diagram of power supply in embodiment two shown in please referring to Fig.3.The present embodiment provides a kind of power supply,
Including：Power circuit 100 described in embodiment one and accumulator 200, power circuit 100 are connect with accumulator 200.It uses
When the power supply of the utility model, the output end of power circuit 100 is connect with the input terminal of peripheral hardware terminal, specifically, peripheral hardware is whole
End can be electronic lock, building speakerphone and door access machine, but be not limited to above equipment.It is whole to peripheral hardware by power circuit 100
End power supply, and by the charging of the control accumulator 200 of power circuit 100, electric discharge and stop discharging, prevent accumulator 200
It overcharges or crosses and put, extend the service life of accumulator 200.The power supply of the utility model further includes a remote control module 300, is remotely controlled mould
Block 300 is connect with power circuit 100 and peripheral hardware terminal respectively, and the function of remote-control unlocking can be realized by remote control module 300,
It can be applied to lock class equipment, especially electronic lock and door access machine.
In conclusion the utility model be provided with first voltage acquisition module 104 for acquire mains voltage signal and
Second voltage acquisition module 107 is provided with for acquiring voltage signal when accumulator 200 discharges, passes through two different voltages
Signal cooperation control chip 103, the electric discharge of control accumulator 200 and stopping electric discharge, prevent accumulator 200 from crossing and put, be provided with electricity
Pond charging module 105 controls accumulator 200 and charges, and accumulator 200 prevents accumulator 200 from overcharging, prolong significantly full of being filled from dynamic circuit breaker
The service life of long accumulator 200 improves the performance of product.
The embodiment of upper described only the utility model, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model
Any modification, equivalent substitution, improvement and etc. of work should all be included within the right of the utility model.
Claims (10)
1. a kind of power circuit (100) with super-charge super-discharge defencive function, is separately connected AC power, accumulator (200)
And peripheral hardware terminal, which is characterized in that including：Power conversion module (101), voltage output module (102), control chip
(103), first voltage acquisition module (104), battery charging module (105), battery powered module (106) and second voltage are adopted
Collect module (107)；
Power conversion module (101) is used to AC power being converted into DC power supply, and exports DC voltage to power supply and turn
Change the mold block (102)；
Voltage output module (102) is connected to the power conversion module (101)；The voltage output module (102) obtains
The DC voltage simultaneously exports the first supply voltage and the second supply voltage；Wherein, first supply voltage is supplied for internal
Electricity, second supply voltage charges for accumulator (200) and the power supply of peripheral hardware terminal；
Chip (103) is controlled, is connect with voltage output module (102)；Wherein, first supply voltage is used for the control
The power supply of chip (103)；
First voltage acquisition module (104) is set between the power conversion module (101) and control chip (103)；Institute
DC voltage of the first voltage acquisition module (104) for exporting according to the power conversion module (101) is stated to generate accordingly
First sampled voltage, and first sampled voltage is input to the control chip (103)；If the control chip (103) is obtained
First sampled voltage is taken, then the first control level of control chip (103) output to the battery charging module
(105)；If first sampled voltage, second control of control chip (103) output has not been obtained in the control chip (103)
Level processed is to the battery powered module (106)；
Battery charging module (105) is connect and electric power storage with the voltage output module (102), control chip (103) respectively
Pond (200) connects；If the battery charging module (105) obtains the first control level, pass through the second supply voltage pair
The accumulator (200) is charged；If the first control level has not been obtained in the battery charging module (105), no
It charges to the accumulator (200)；
Battery powered module (106) is connect with the control chip (103), accumulator (200) and peripheral hardware terminal respectively；
If the battery powered module (106) obtains the second control level, accumulator (200) output voltage is controlled to outer
If terminal；If the second control level has not been obtained in the battery powered module (106), controls the accumulator (200) and do not export
Voltage is to peripheral hardware terminal；
Second voltage acquisition module (107), be set to the battery powered module (106) and the control chip (103) it
Between；The second voltage acquisition module (107) is used to change with the output voltage of the accumulator (200) and generates corresponding the
Two sampled voltages, and second sampled voltage is input to the control chip (103)；If second sampled voltage falls into pre-
If range, then the control chip (103) stops output the second control level to the battery powered module (106), if described
Second sampled voltage does not fall within preset range, then the action before the control chip (103) keeps.
2. the power circuit (100) according to claim 1 with super-charge super-discharge defencive function, which is characterized in that described
Power conversion module (101) includes：First coupling coil (u1), the second coupling coil (u2), the first diode (D1), the two or two
Pole pipe (D2), third diode (D3), the 4th diode (D4), the first filter capacitor (C1) and the first filter inductance (L1)；
First coupling coil (u1) couples mutual cooperation with second coupling coil (u2) and is coupled；Second coupling coil
(u2) one end is connect with the cathode of the anode of first diode (D1) and the second diode (D2)；First diode
(D1) it connect the anode of first filter capacitor (C1) simultaneously with the cathode of the third diode (D3)；Two or two pole
Pipe (D2) connect first filtering by first filter inductance (L1) simultaneously with the anode of the 4th diode (D4)
The cathode of capacitance (C1)；The anode of the third diode (D3) and the cathode of the 4th diode (D4) while described second
The other end of coupling coil (u2).
3. the power circuit (100) according to claim 2 with super-charge super-discharge defencive function, which is characterized in that described
Voltage output module (102) includes：First voltage stabilizing chip (U1), the second filter capacitor (C2), the second voltage stabilizing chip (U2) and
Third filter capacitor (C3)；The input terminal of first voltage stabilizing chip (U1) is parallel to first diode (D1) and the three or two
Between the cathode of pole pipe (D3) and the anode of first filter capacitor (C1)；The output end of first voltage stabilizing chip (U1) is same
When connect second filter capacitor (C2) positive and described second voltage stabilizing chip (U2) input terminal；The first voltage stabilizing core
The ground terminal of piece (U1) connects the cathode of second filter capacitor (C2)；The output end of second voltage stabilizing chip (U2) and institute
State the anode connection of third filter capacitor (C3)；The ground terminal of second voltage stabilizing chip (U2) and the third filter capacitor
(C3) cathode connection.
4. the power circuit (100) according to claim 3 with super-charge super-discharge defencive function, which is characterized in that described
First voltage stabilizing chip (U1) is integrated chip L7815；Second voltage stabilizing chip (U2) is integrated chip L7805.
5. the power circuit (100) according to claim 3 with super-charge super-discharge defencive function, which is characterized in that described
Battery charging module (105) includes：First resistor (R1), second resistance (R2), 3rd resistor (R3), the 4th resistance (R4),
One triode (Q1), the second triode (Q2), the 5th diode (D5) and the 6th diode (D6)；The first resistor (R1)
One end connect the control chip (103), the other end is separately connected one end and the one or three pole of the second resistance (R2)
Manage the base stage of (Q1)；The other end of the second resistance (R2) is grounded；Described in the collector connection of first triode (Q1)
One end of 3rd resistor (R3), emitter ground connection；One end of the 3rd resistor (R3) is separately connected the 4th resistance
(R4) base stage of one end and the second triode (Q2)；The transmitting of one end, the second triode (Q2) of the 4th resistance (R4)
The anode of pole and the 5th diode (D5) connects the output end of first voltage stabilizing chip (U1) simultaneously；Second triode
(Q2) collector is connect with the anode of the 6th diode (D6)；5th diode (D5) and the 6th diode
(D6) cathode connects the anode of accumulator (200) simultaneously.
6. the power circuit (100) according to claim 5 with super-charge super-discharge defencive function, which is characterized in that described
Battery charging module (105) further includes：Second filter inductance (L2)；Second filter inductance (L2) is parallel to the described 6th 2
The both ends of pole pipe (D6).
7. the power circuit (100) according to claim 1 with super-charge super-discharge defencive function, which is characterized in that described
Battery powered module (106) includes：5th resistance (R5), the 6th resistance (R6), third transistor (Q3), the 7th diode
(D7), relay (K1)；One end of 5th resistance (R5) is connect with the control chip (103), and the other end connects respectively
Connect one end of the 6th resistance (R6) and the base stage of third transistor (Q3)；The other end of 6th resistance (R6) is grounded；
The collector of the third transistor (Q3) is separately connected the anode and the relay (K1) of the 7th diode (D7)
First end；The emitter of the third transistor (Q3) is grounded；The cathode of 7th diode (D7) and the relay
(K1) second end and third end connects the second voltage acquisition module (107) simultaneously；4th end of the relay (K1)
Connect the output end of accumulator (200).
8. the power circuit (100) according to claim 2 with super-charge super-discharge defencive function, which is characterized in that described
First voltage acquisition module (104) includes：8th diode (D8), the 7th resistance (R7) and the 8th resistance (R8)；Described
The anode of eight diodes (D8) is parallel to the anode of second coupling coil (u2) and the third diode (D3) and described
Between the cathode of 4th diode (D4)；The cathode of 8th diode (D8) connects with one end of the 7th resistance (R7)
It connects；The other end of 7th resistance (R7) connect the control chip (103) simultaneously with one end of the 8th resistance (R8)；
The other end of 8th resistance (R8) is grounded.
9. the power circuit (100) according to claim 7 with super-charge super-discharge defencive function, which is characterized in that described
Second voltage acquisition module (107) includes：9th resistance (R9), the tenth resistance (R10), eleventh resistor (R11), the 12nd electricity
Hinder (R12), thirteenth resistor (R13) and the 14th resistance (R14)；One end of 9th resistance (R9) connects the control
Chip (103), the other end are separately connected one end of the tenth resistance (R10) and one end of eleventh resistor (R11)；It is described
The other end of tenth resistance (R10) is grounded；One end of the other end and twelfth resistor (R12) of the eleventh resistor (R11)
The third end of the relay (K1) is connected simultaneously；The other end of the twelfth resistor (R12) is separately connected the described 13rd
One end of resistance (R13) and one end of the 14th resistance (R14)；The other end of the thirteenth resistor (R13) connects the control
Coremaking piece (103)；The other end of 14th resistance (R14) is grounded.
10. a kind of power supply, which is characterized in that it includes：Claim 1 to the 9 any power circuit (100) and electric power storage
Pond (200)；The power circuit (100) connect with the accumulator (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584131.4U CN207835085U (en) | 2017-11-23 | 2017-11-23 | A kind of power circuit and power supply with super-charge super-discharge defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584131.4U CN207835085U (en) | 2017-11-23 | 2017-11-23 | A kind of power circuit and power supply with super-charge super-discharge defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835085U true CN207835085U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721584131.4U Withdrawn - After Issue CN207835085U (en) | 2017-11-23 | 2017-11-23 | A kind of power circuit and power supply with super-charge super-discharge defencive function |
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| Country | Link |
|---|---|
| CN (1) | CN207835085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011413A (en) * | 2017-11-23 | 2018-05-08 | 惠州福睿锁业有限公司 | A kind of power circuit and power supply with super-charge super-discharge defencive function |
-
2017
- 2017-11-23 CN CN201721584131.4U patent/CN207835085U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011413A (en) * | 2017-11-23 | 2018-05-08 | 惠州福睿锁业有限公司 | A kind of power circuit and power supply with super-charge super-discharge defencive function |
| CN108011413B (en) * | 2017-11-23 | 2023-10-20 | 惠州福睿锁业有限公司 | Power supply circuit with overcharge and overdischarge protection function and power supply |
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