CN209046330U - Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment - Google Patents
Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment Download PDFInfo
- Publication number
- CN209046330U CN209046330U CN201822128630.3U CN201822128630U CN209046330U CN 209046330 U CN209046330 U CN 209046330U CN 201822128630 U CN201822128630 U CN 201822128630U CN 209046330 U CN209046330 U CN 209046330U
- Authority
- CN
- China
- Prior art keywords
- oxide
- metal
- semiconductor
- port
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 106
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 8
- 230000007717 exclusion Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 230000003760 hair shine Effects 0.000 claims 1
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 description 13
- 102100024690 Spliceosome RNA helicase DDX39B Human genes 0.000 description 13
- 239000000470 constituent Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 101001068634 Homo sapiens Protein PRRC2A Proteins 0.000 description 1
- 102100033954 Protein PRRC2A Human genes 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment, comprising: the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, first resistor, second resistance, 3rd resistor and the 4th resistance；One end of the first resistor is separately connected the source electrode and charging port of first metal-oxide-semiconductor；The other end of the first resistor is separately connected the grid of first metal-oxide-semiconductor and one end of the second resistance；The other end connection charging enable port of the second resistance；One end of the 3rd resistor is separately connected the drain electrode and battery port of the source electrode, first metal-oxide-semiconductor of second metal-oxide-semiconductor；The other end of the 3rd resistor is separately connected the grid of second metal-oxide-semiconductor and one end of the 4th resistance；The other end connection electric discharge enable port of 4th resistance；The drain electrode connection electric discharge port of second metal-oxide-semiconductor.The charge and discharge electrical switching circuit can realize that charge and discharge are automatically switched according to low and high level input signal.
Description
Technical field
The utility model relates to battery charging and discharging technical fields, more particularly, to charge and discharge electrical switching circuit and double cell charge and discharge
Electric automatic switching control equipment.
Background technique
The charge and discharge switching of rechargeable battery is all that charge mode and electric discharge mould are realized by manually toggle switch at present
The switching of formula, user experience are bad.
Utility model content
The purpose of this utility model is that in view of the above problems in the prior art, provide a kind of charge and discharge electrical switching circuit and
Double-battery charge electric discharge automatic switching control equipment is for solving the deficiencies in the prior art.
Specifically, the utility model embodiment provides a kind of charge and discharge electrical switching circuit, comprising: the first metal-oxide-semiconductor, second
Metal-oxide-semiconductor, first resistor, second resistance, 3rd resistor and the 4th resistance；
One end of the first resistor is separately connected the source electrode of first metal-oxide-semiconductor and for connecting filling for charging unit
Electric port；The other end of the first resistor is separately connected the grid of first metal-oxide-semiconductor and one end of the second resistance；
The other end connection charging enable port of the second resistance；
One end of the 3rd resistor be separately connected the source electrode of second metal-oxide-semiconductor, first metal-oxide-semiconductor drain electrode and
For connecting the battery port of rechargeable battery；The other end of the 3rd resistor be separately connected the grid of second metal-oxide-semiconductor with
And one end of the 4th resistance；The other end connection electric discharge enable port of 4th resistance；The drain electrode of second metal-oxide-semiconductor
Connect the electric discharge port for connecting power device；
The reception signal of the charging enable port and the electric discharge enable port is height mutual exclusion level signal；When described
Charging enable port receives high level signal and when the electric discharge enable port receives low level signal, and described first
Metal-oxide-semiconductor conducting, the second metal-oxide-semiconductor cut-off, charging unit pass through the charging port, first metal-oxide-semiconductor and the electricity
It charges to rechargeable battery pond port；When the electric discharge enable port receives high level signal and the charging enable end
When mouth receives low level signal, the second metal-oxide-semiconductor conducting, first metal-oxide-semiconductor ends, and rechargeable battery passes through the battery
Port, second metal-oxide-semiconductor and the electric discharge port are powered power device.
As a further improvement of the above technical scheme, further includes: for preventing the 1st of the first metal-oxide-semiconductor reverse breakdown the
Pole pipe；The anode of the first diode is connect with the drain electrode of first metal-oxide-semiconductor；The cathode of the first diode with it is described
The source electrode of first metal-oxide-semiconductor connects.
As a further improvement of the above technical scheme, further includes: for preventing the 2nd 2 of the second metal-oxide-semiconductor reverse breakdown the
Pole pipe；The anode of second diode is connect with the drain electrode of second metal-oxide-semiconductor；The cathode of second diode with it is described
The source electrode of second metal-oxide-semiconductor connects.
As a further improvement of the above technical scheme, further includes: the capacitor for filtering；One termination of the capacitor
Ground, the other end of the capacitor are connect with the battery port.
As a further improvement of the above technical scheme, further includes: the third diode for anti-reverse protection；Described
The anode of three diodes is connect with the charging port；The source electrode of the cathode of the third diode and first metal-oxide-semiconductor connects
It connects.
As a further improvement of the above technical scheme, further includes: the 4th diode for anti-reverse protection；Described
The cathode of four diodes is connect with the electric discharge port；The drain electrode of the anode and second metal-oxide-semiconductor of 4th diode connects
It connects.
As a further improvement of the above technical scheme, further includes: be used to indicate the first light emitting diode of charged state；
The anode of first light emitting diode is connect with the drain electrode of first metal-oxide-semiconductor；The cathode of first light emitting diode with
The battery port connection.
As a further improvement of the above technical scheme, further includes: be used to indicate the second light emitting diode of discharge condition；
The anode of second light emitting diode is connect with the battery port；The cathode of second light emitting diode and described second
The source electrode of metal-oxide-semiconductor connects.
As a further improvement of the above technical scheme, first metal-oxide-semiconductor is identical with the second metal-oxide-semiconductor specification.
As a further improvement of the above technical scheme, the resistance value phase of the resistance value of the first resistor and the 3rd resistor
Deng；The resistance value of the second resistance is equal with the resistance value of the 4th resistance.
The utility model embodiment additionally provides a kind of double-battery charge electric discharge automatic switching control equipment, comprising: more than two institutes
The single device of charge and discharge electrical switching circuit, the first rechargeable battery, the second rechargeable battery and control stated；The controller and the charge and discharge
The charging enable port of electrical switching circuit and the connection of electric discharge enable port；First rechargeable battery and one of charge and discharge
The battery port of switching circuit connects；Second rechargeable battery is connect with the battery port of another charge and discharge electrical switching circuit；
The charging enable port of the charging enable port and another charge and discharge electrical switching circuit of one of charge and discharge electrical switching circuit connects
The collection of letters number is for height mutual exclusion level signal to guarantee when a rechargeable battery is in chargeable state at another rechargeable battery
In can discharge condition.
Using technical solution provided by the utility model, compared with existing well-known technique, at least have following beneficial to effect
Fruit: the charge and discharge electrical switching circuit realizes the free switching of charge and discharge mode according to the low and high level signal of input port, is not necessarily to people
Work carries out intervening the free switching that can realize charge and discharge mode.User experience effect is good.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the electrical connection diagram for the charge and discharge electrical switching circuit that an embodiment of the present invention proposes；
Fig. 2 is the electrical connection diagram for the charge and discharge electrical switching circuit that another embodiment of the utility model proposes；
Fig. 3 is the structural schematic diagram for the double-battery charge electric discharge automatic switching control equipment that an embodiment of the present invention proposes.
Specific embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no disclosure protection scope is limited to specific reality disclosed herein
The intention of example is applied, but the disclosure should be interpreted as to all in the spirit and scope for covering the various embodiments for falling into the disclosure
Adjustment, equivalent and/or optinal plan.
Hereinafter, can the term " includes " used in the various embodiments of the disclosure or " may include " instruction disclosed in
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in the various embodiments of the disclosure, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the disclosure, statement " at least one of A or/and B " includes the text listed file names with
Any combination or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, may include B or can
Including A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, not departing from each of the disclosure
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure " user " can be indicated using the people of electronic device or using electricity
The device (for example, artificial intelligence electronic device) of sub-device.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in disclosed various embodiments.
Embodiment 1
As shown in Figure 1, the utility model embodiment provides a kind of charge and discharge electrical switching circuit, comprising: the first metal-oxide-semiconductor Q1,
Second metal-oxide-semiconductor Q2, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4.
One end of first resistor R1 is separately connected the source S and charging port CH_VBAT of the first metal-oxide-semiconductor Q1；First electricity
The other end of resistance R1 is separately connected the grid G of the first metal-oxide-semiconductor Q1 and one end of second resistance R2；The other end of second resistance R2
Connection charging enable port CH_BAT1_EN.
One end of 3rd resistor R3 is separately connected the drain D and battery of the source S of the second metal-oxide-semiconductor Q2, the first metal-oxide-semiconductor Q1
Port BAT1+；The other end of 3rd resistor R3 is separately connected the grid G of the second metal-oxide-semiconductor Q2 and one end of the 4th resistance R4；The
The other end connection electric discharge enable port BAT1_EN of four resistance R4；The drain D connection electric discharge port VBAT of second metal-oxide-semiconductor Q2.
Battery port BAT1+ is for connecting rechargeable battery；Charging port CH_VBAT is filled for connecting to rechargeable battery
The charging unit of electricity.Such as: the charging unit that solar panels etc. can charge to rechargeable battery.Electric discharge port VBAT is for connecting
Power device.Such as: the power devices such as LED light for illumination.Charging enable port CH_BAT1_EN and electric discharge enable port
The low and high level signal control that BAT1_EN connect respectively for receiving controller sending with controller realize is filled to rechargeable battery
Electricity or rechargeable battery externally discharge.
The reception signal of charging enable port CH_BAT1_EN and the enable port BAT1_EN that discharges are height mutual exclusion level letter
Number, i.e., one another is low level when being high level signal.When preventing all as high level signal, rechargeable battery charges one on one side
Side electric discharge.
When charging enable port CH_BAT1_EN be high level signal and electric discharge enable port BAT1_EN be low level letter
Number when, the first metal-oxide-semiconductor Q1 conducting, the second metal-oxide-semiconductor Q2 cut-off, charging unit pass through charging port CH_VBAT, the first metal-oxide-semiconductor Q1
And battery port BAT1+ charges to rechargeable battery.When electric discharge enable port BAT1_EN is high level signal and charging
When enable port CH_BAT1_EN is low level signal, the second metal-oxide-semiconductor Q2 conducting, the first metal-oxide-semiconductor Q1 ends, and rechargeable battery passes through
Battery port BAT1+, the second metal-oxide-semiconductor and electric discharge port VBAT are powered power device.
The charge and discharge electrical switching circuit realizes the free switching of charge and discharge mode, nothing according to the low and high level signal of input port
It need to manually carry out intervening the free switching that can realize charge and discharge mode.User experience effect is good, while can effectively reduce
The charge and discharge number of battery, improves the service life of battery.
In the present embodiment, charge and discharge electrical switching circuit may also include that first for preventing the first metal-oxide-semiconductor Q1 reverse breakdown
Diode D1；The anode of first diode D1 is connect with the drain D of the first metal-oxide-semiconductor Q1；The cathode of first diode D1 and first
The source S of metal-oxide-semiconductor Q1 connects.Charge and discharge electrical switching circuit may also include that the two or two for preventing the second metal-oxide-semiconductor Q2 reverse breakdown
Pole pipe D2；The anode of second diode D2 is connect with the drain D of the second metal-oxide-semiconductor Q2；The cathode and the 2nd MOS of second diode D2
The source S of pipe Q2 connects.
In the present embodiment, charge and discharge electrical switching circuit may also include that the capacitor C for filtering；One end of capacitor C is grounded,
The other end of capacitor C is connect with battery port BAT1+.Capacitor C to rechargeable battery for being filtered.
In this embodiment, it is preferred that the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 same size.The resistance value of first resistor R1
It is equal with the resistance value of 3rd resistor R3；The resistance value of second resistance R2 is equal with the resistance value of the 4th resistance R4.
Embodiment 2
As shown in Fig. 2, the utility model embodiment provides a kind of charge and discharge electrical switching circuit, comprising: the first metal-oxide-semiconductor Q1,
Second metal-oxide-semiconductor Q2, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, first diode D1 and the two or two
Pole pipe D2.
One end of first resistor R1 is separately connected the source S and charging port CH_VBAT of the first metal-oxide-semiconductor Q1；First electricity
The other end of resistance R1 is separately connected the grid G of the first metal-oxide-semiconductor Q1 and one end of second resistance R2；The other end of second resistance R2
Connection charging enable port CH_BAT1_EN.
One end of 3rd resistor R3 is separately connected the drain D and battery of the source S of the second metal-oxide-semiconductor Q2, the first metal-oxide-semiconductor Q1
Port BAT1+；The other end of 3rd resistor R3 is separately connected the grid G of the second metal-oxide-semiconductor Q2 and one end of the 4th resistance R4；The
The other end connection electric discharge enable port BAT1_EN of four resistance R4；The drain D connection electric discharge port VBAT of second metal-oxide-semiconductor Q2.
First diode D1 is for preventing the first metal-oxide-semiconductor Q1 reverse breakdown；The anode of first diode D1 and the first metal-oxide-semiconductor
The drain D of Q1 connects；The cathode of first diode D1 is connect with the source S of the first metal-oxide-semiconductor Q1.Second diode D2 is for preventing
Second metal-oxide-semiconductor Q2 reverse breakdown；The anode of second diode D2 is connect with the drain D of the second metal-oxide-semiconductor Q2；Second diode D2's
Cathode is connect with the source S of the second metal-oxide-semiconductor Q2.
Battery port BAT1+ is for connecting rechargeable battery；Charging port CH_VBAT is filled for connecting to rechargeable battery
The charging unit of electricity.Such as: the charging unit that solar panels etc. can charge to rechargeable battery.Electric discharge port VBAT is for connecting
Power device.Such as: the power devices such as LED light for illumination.Charging enable port CH_BAT1_EN and electric discharge enable port
The low and high level signal control that BAT1_EN connect respectively for receiving controller sending with controller realize is filled to rechargeable battery
Electricity or rechargeable battery externally discharge.
The reception signal of charging enable port CH_BAT1_EN and the enable port BAT1_EN that discharges are height mutual exclusion level letter
Number, i.e., one another is low level when being high level signal.When preventing all as high level signal, rechargeable battery charges one on one side
Side electric discharge.
When charging enable port CH_BAT1_EN be high level signal and electric discharge enable port BAT1_EN be low level letter
Number when, the first metal-oxide-semiconductor Q1 conducting, the second metal-oxide-semiconductor Q2 cut-off, charging unit pass through charging port CH_VBAT, the first metal-oxide-semiconductor Q1
And battery port BAT1+ charges to rechargeable battery.When electric discharge enable port BAT1_EN is high level signal and charging
When enable port CH_BAT1_EN is low level signal, the second metal-oxide-semiconductor Q2 conducting, the first metal-oxide-semiconductor Q1 ends, and rechargeable battery passes through
Battery port BAT1+, the second metal-oxide-semiconductor and electric discharge port VBAT are powered power device.
In the present embodiment, charge and discharge electrical switching circuit further include: the capacitor C for filtering；One end of capacitor C is grounded, electricity
The other end for holding C is connect with battery port BAT1+.Capacitor C to rechargeable battery for being filtered.
In the present embodiment, charge and discharge electrical switching circuit further includes the third diode D3 for anti-reverse protection；Three or two
The anode of pole pipe D3 is connect with charging port CH_VBAT；The cathode of third diode D3 is connect with the source S of the first metal-oxide-semiconductor Q1.
Charge and discharge electrical switching circuit further include: the 4th diode D4 for anti-reverse protection；The cathode and discharge end of 4th diode D4
Mouth VBAT connection；The anode of 4th diode D4 is connect with the drain D of the second metal-oxide-semiconductor Q2.
In the present embodiment, charge and discharge electrical switching circuit further include: be used to indicate the first light emitting diode of charged state
VD1；The anode of first light emitting diode VD1 is connect with the drain D of the first metal-oxide-semiconductor Q1；The cathode of first light emitting diode VD1 with
Battery port BAT1+ connection.Charge and discharge electrical switching circuit further include: be used to indicate the second light emitting diode VD2 of discharge condition；The
The anode of two light emitting diode VD2 is connect with battery port BAT1+；The cathode of second light emitting diode VD2 and the second metal-oxide-semiconductor Q2
Source S connection.
In this embodiment, it is preferred that the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 same size.The resistance value of first resistor R1
It is equal with the resistance value of 3rd resistor R3；The resistance value of second resistance R2 is equal with the resistance value of the 4th resistance R4.
Embodiment 3
As shown in figure 3, the utility model embodiment additionally provides a kind of double-battery charge electric discharge automatic switching control equipment, comprising:
Charge and discharge electrical switching circuit, the first rechargeable battery, the second rechargeable battery and controller in two embodiments 1 or embodiment 2；
The charging enable port (CH_BAT1_EN and CH_BAT2_EN) and electric discharge enable end of controller and charge and discharge electrical switching circuit
Mouth (BAT1_EN and BAT2_EN) connection；The battery port of first rechargeable battery and one of charge and discharge electrical switching circuit connects
It connects；Second rechargeable battery is connect with the battery port of another charge and discharge electrical switching circuit.
The charging enable port of one of charge and discharge electrical switching circuit and the charging of another charge and discharge electrical switching circuit are enabled
The reception signal of port is height mutual exclusion level signal to guarantee that another is filled when a rechargeable battery is in chargeable state
Battery is in can discharge condition.Such as: when electric discharge enable port BAT1_EN is high level signal and charging enable port
When CH_BAT1_EN is low level signal, the first rechargeable battery BAT1 is in can discharge condition；Corresponding electric discharge enable end
Mouth BAT2_EN is low level signal and charging enable port CH_BAT2_EN is high level signal.Second rechargeable battery BAT2
In chargeable state.
Controller is connect with charging enable port and electric discharge enable port respectively, the first rechargeable battery and the second rechargeable battery
It is divided by 2 concatenated resistance, the voltage value by acquiring 2 resistance common ends determines the first rechargeable battery and the
The real time electrical quantity value of two rechargeable batteries.Controller is integrated with AD conversion unit and comparator circuit；AD conversion unit mentions
The input port of confession is connect with voltage acquisition port BAT1_ADC and BAT2_ADC；AD conversion unit is according in real time acquiring
The partial pressure value of battery determines that battery is in charged state or discharge condition.Comparator circuit is according to the partial pressure value acquired in real time
Low and high level signal is exported by charging enable port and electric discharge enable port afterwards compared with preset value and realizes the first charging electricity
The charge-discharge power demand in pond and the second rechargeable battery.
Controller can select common 51 single-chip microcontrollers or arm processor.
The low and high level signal for the real-time voltage value control output end mouthful that controller is acquired according to input port realizes charge and discharge
The free switching of power mode intervenes the free switching that can realize charge and discharge mode without manually carrying out.User experience effect
It is good.The charge and discharge number that battery can be effectively reduced simultaneously, improves the service life of battery.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the utility model.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-mentioned the utility model serial number is for illustration only, does not represent the superiority and inferiority of implement scene.Disclosed above is only this
Several specific implementation scenes of utility model, still, the utility model is not limited to this, any those skilled in the art's energy
Think of variation should all fall into the protection scope of the utility model.
Claims (10)
1. a kind of charge and discharge electrical switching circuit characterized by comprising the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, first resistor, the second electricity
Resistance, 3rd resistor and the 4th resistance；
One end of the first resistor is separately connected the source electrode of first metal-oxide-semiconductor and the charging end for connecting charging unit
Mouthful；The other end of the first resistor is separately connected the grid of first metal-oxide-semiconductor and one end of the second resistance；It is described
The other end connection charging enable port of second resistance；
One end of the 3rd resistor be separately connected the source electrode of second metal-oxide-semiconductor, first metal-oxide-semiconductor drain electrode and be used for
Connect the battery port of rechargeable battery；The other end of the 3rd resistor is separately connected grid and the institute of second metal-oxide-semiconductor
State one end of the 4th resistance；The other end connection electric discharge enable port of 4th resistance；The drain electrode of second metal-oxide-semiconductor connects
For connecting the electric discharge port of power device；
The reception signal of the charging enable port and the electric discharge enable port is height mutual exclusion level signal；When the charging
Enable port receives high level signal and when the electric discharge enable port receives low level signal, first metal-oxide-semiconductor
Conducting, the second metal-oxide-semiconductor cut-off, charging unit pass through the charging port, first metal-oxide-semiconductor and the battery port
It charges to rechargeable battery；When the electric discharge enable port receives high level signal and charging enable port reception
When to low level signal, the second metal-oxide-semiconductor conducting, the first metal-oxide-semiconductor cut-off, rechargeable battery by the battery port,
Second metal-oxide-semiconductor and the electric discharge port are powered power device.
2. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: for preventing the first metal-oxide-semiconductor anti-
To the first diode of breakdown；The anode of the first diode is connect with the drain electrode of first metal-oxide-semiconductor；One or two pole
The cathode of pipe is connect with the source electrode of first metal-oxide-semiconductor.
3. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: for preventing the second metal-oxide-semiconductor anti-
To the second diode of breakdown；The anode of second diode is connect with the drain electrode of second metal-oxide-semiconductor；Two or two pole
The cathode of pipe is connect with the source electrode of second metal-oxide-semiconductor.
4. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: the capacitor for filtering；It is described
One end of capacitor is grounded, and the other end of the capacitor is connect with the battery port.
5. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: for anti-reverse protection
Three diodes；The anode of the third diode is connect with the charging port；The cathode of the third diode and described the
The source electrode of one metal-oxide-semiconductor connects.
6. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: for anti-reverse protection
Four diodes；The cathode of 4th diode is connect with the electric discharge port；The anode of 4th diode and described the
The drain electrode of two metal-oxide-semiconductors connects.
7. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: it is used to indicate charged state
First light emitting diode；The anode of first light emitting diode is connect with the drain electrode of first metal-oxide-semiconductor；Described first shines
The cathode of diode is connect with the battery port.
8. charge and discharge electrical switching circuit according to claim 1, which is characterized in that further include: it is used to indicate discharge condition
Second light emitting diode；The anode of second light emitting diode is connect with the battery port；Second light emitting diode
Cathode connect with the source electrode of second metal-oxide-semiconductor.
9. charge and discharge electrical switching circuit according to claim 1, which is characterized in that first metal-oxide-semiconductor and the 2nd MOS
Pipe specification is identical.
The automatic switching control equipment 10. a kind of double-battery charge discharges characterized by comprising two such as claim 1-9 any one
Charge and discharge electrical switching circuit, the first rechargeable battery, the second rechargeable battery and the controller；The controller and the charge and discharge
The charging enable port of electrical switching circuit and the connection of electric discharge enable port；First rechargeable battery and one of charge and discharge
The battery port of switching circuit connects；Second rechargeable battery is connect with the battery port of another charge and discharge electrical switching circuit；
The charging enable port of the charging enable port and another charge and discharge electrical switching circuit of one of charge and discharge electrical switching circuit connects
The collection of letters number is for height mutual exclusion level signal to guarantee when a rechargeable battery is in chargeable state at another rechargeable battery
In can discharge condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128630.3U CN209046330U (en) | 2018-12-18 | 2018-12-18 | Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822128630.3U CN209046330U (en) | 2018-12-18 | 2018-12-18 | Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046330U true CN209046330U (en) | 2019-06-28 |
Family
ID=67044494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822128630.3U Expired - Fee Related CN209046330U (en) | 2018-12-18 | 2018-12-18 | Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737044A (en) * | 2020-12-31 | 2021-04-30 | 北京谊安医疗系统股份有限公司 | Double-battery switching circuit |
| CN118953078A (en) * | 2024-07-31 | 2024-11-15 | 浙江智行微电子有限公司 | CC resistance switching circuit |
-
2018
- 2018-12-18 CN CN201822128630.3U patent/CN209046330U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737044A (en) * | 2020-12-31 | 2021-04-30 | 北京谊安医疗系统股份有限公司 | Double-battery switching circuit |
| CN118953078A (en) * | 2024-07-31 | 2024-11-15 | 浙江智行微电子有限公司 | CC resistance switching circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103647316A (en) | Serially-connected lithium battery set power supply equalization management system | |
| CN204361767U (en) | Charger and charging control circuit thereof | |
| CN202095145U (en) | Intelligent charging-discharging protection solar body infrared induction lamp | |
| CN103117581B (en) | Solar mobile power supply | |
| CN209046330U (en) | Charge and discharge electrical switching circuit and double-battery charge electric discharge automatic switching control equipment | |
| CN203205908U (en) | A charger used for multiple mobile terminals and a charging wire used for multiple mobile terminals | |
| WO2020087284A1 (en) | Battery control circuit, battery and unmanned aerial vehicle | |
| CN204361709U (en) | Charger assembled by several branch orchestration and charger | |
| CN207304994U (en) | A kind of three lines input LED meets an urgent need lamp control circuit | |
| CN205014243U (en) | Solar energy light fixture | |
| CN209516719U (en) | Solar recharging Switching power | |
| CN104167784A (en) | Portable power source circuit | |
| CN202132855U (en) | Solar emergency lamp | |
| CN203086215U (en) | Solar movable power supply | |
| CN205957102U (en) | Electric shock prevention function circuit is just taken to power supply battery automatic switch -over | |
| CN204597540U (en) | Portable power source circuit | |
| CN201113484Y (en) | Solar power supply equipment | |
| CN212695731U (en) | A charge and discharge control circuit based on power tool battery | |
| CN109450070A (en) | Solar recharging Switching power | |
| CN203135502U (en) | Portable solar mobile power supply | |
| CN204167928U (en) | A kind of quick charged portable power source | |
| CN209057194U (en) | A kind of low cost analog signal isolating transmission circuit | |
| CN210136288U (en) | Electronic equipment, battery state information transmission device and transmission circuit thereof | |
| CN219046430U (en) | Compatible solar energy input digital display energy storage power charger | |
| CN222484354U (en) | A smart toothbrush circuit with charging protection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |