CN216121837U - Multifunctional battery pack power supply control system - Google Patents
Multifunctional battery pack power supply control system Download PDFInfo
- Publication number
- CN216121837U CN216121837U CN202121730631.0U CN202121730631U CN216121837U CN 216121837 U CN216121837 U CN 216121837U CN 202121730631 U CN202121730631 U CN 202121730631U CN 216121837 U CN216121837 U CN 216121837U
- Authority
- CN
- China
- Prior art keywords
- pin
- battery
- resistor
- battery pack
- controllable silicon
- 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 65
- 239000010703 silicon Substances 0.000 claims abstract description 65
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a multifunctional battery pack power supply control system, which comprises: a battery pack providing stored electrical energy; a control unit connected to the battery pack; acquiring stored electric energy; triggering the electric signal to be transmitted to the detection unit; the detection unit is connected with the control unit, and enables each controllable silicon to be in a conducting state according to the transmission of the electric signals, so that the relay T adsorbs the normally open contact to be closed; and transmitting the detection electric signal to the undervoltage protection unit; the undervoltage protection unit is connected with the detection unit; acquiring a detection electric signal, and converting the output direction of the battery pack; the voltage regulating unit is connected with the control unit; acquiring stored electric energy of different batteries; and adjusting the output voltage; for the battery exceeding the undervoltage threshold value, the conduction of the silicon controlled rectifier of the independent battery is cut off by the trigger U5; normal operation of other batteries; in addition, the whole undervoltage of the battery pack is protected; the safety of the power supply of the battery pack is ensured.
Description
Technical Field
The utility model relates to a control circuit, in particular to a multifunctional battery pack power supply control system.
Background
In the prior art of power batteries, if the battery capacity of the battery is discharged to below a cut-off voltage and is continuously discharged, the battery is damaged and the service life of the power battery is affected, so that the battery is provided with a control system for monitoring the operating state of the battery to avoid the damage of the power battery.
The existing technology has the problems that the storage and the use of a single power supply are difficult to meet the output requirements under different voltages, and independent batteries cannot be provided for equipment to run when multiple ports are powered; when one group of batteries is in an undervoltage state, the internal structure can be damaged by continuous discharge, so that the batteries cannot be used next time; for the combined power supply, the whole power supply can be protected only, and other batteries cannot operate normally under the condition of failure of one battery.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a multifunctional battery pack power supply control system is provided to solve the above problems in the prior art.
The technical scheme is as follows: a multi-functional battery pack power control system comprising:
a battery pack providing stored electrical energy;
a control unit connected to the battery pack; acquiring stored electric energy; triggering the electric signal to be transmitted to the detection unit;
the detection unit is connected with the control unit, and enables each controllable silicon to be in a conducting state according to the transmission of the electric signals, so that the relay T adsorbs the normally open contact to be closed; and transmitting the detection electric signal to the undervoltage protection unit;
the undervoltage protection unit is connected with the detection unit; acquiring a detection electric signal to control the on-off of the coupler U6; converting the output direction of the battery pack;
the voltage regulating unit is connected with the control unit; acquiring stored electric energy of different batteries; and adjusts the output voltage.
In a further embodiment, the battery pack includes battery B1, battery B2, battery B3, battery B4, normally open contact S1, normally open contact S2, normally open contact S3, and normally open contact S4; one end of the normally open contact S1 is connected with the positive end of the battery B1; the negative electrode end of the battery B1 is connected with one end of a normally open contact S2; the other end of the normally open contact S2 is connected with the positive end of the battery B2; the negative electrode end of the battery B2 is connected with one end of a normally open contact S3; the other end of the normally open contact S3 is connected with the positive end of the battery B3; the negative electrode end of the battery B3 is connected with one end of a normally open contact S4; the other end of the normally open contact S4 is connected with the ground wire GND.
In a further embodiment, the control unit comprises a diode D1, a thyristor U1, a thyristor U2, a thyristor U3, and a thyristor U4; the positive end of the diode D1 is respectively connected with the positive end of the battery B2 and the positive end of the controllable silicon U2; the negative end of the diode D1 is connected with a pin 1 of a controllable silicon U2; the positive end of the controllable silicon U2 is connected with the other end of the normally open contact S1; the negative end of the controlled silicon U1 is respectively connected with the negative end of the controlled silicon U2, the negative end of the controlled silicon U3 and the negative end of the controlled silicon U4; the positive end of the controllable silicon U3 is connected with the positive end of the battery B3; and the positive end of the controllable silicon U4 is connected with the positive end of the battery B4.
In a further embodiment, the detection unit comprises a variable resistor RT1, a capacitor C1, a trigger U5 and a relay T; the pin 2 of the variable resistor RT1 is respectively connected with one end of a capacitor C1, a pin 6 of a trigger U5 and the negative end of a thyristor U1; the pin 1 and the pin 3 of the variable resistor RT1 are both connected with a pin 8 of a trigger U5; the capacitor C1 is respectively connected with a pin 2 of a trigger U5, one end of a relay T and the negative electrode end of a battery B4; pin 3 of the trigger U5 is connected with pin 1 of the controllable silicon U2; pin 4 of the trigger U5 is connected with pin 1 of the controllable silicon U3; pin 5 of the trigger U5 is connected with pin 1 of the controllable silicon U4; and pin 9 of the trigger U5 is connected with pin 1 of the thyristor U1.
In a further embodiment, the undervoltage protection unit includes a resistor R7, a resistor R6, a resistor R4, a resistor R3, a transistor Q3, and a coupler U6; one end of the resistor R7 is connected with pin 2 of the coupler U6; the other end of the resistor R7 is respectively connected with a pin 3 of a coupler U6 and the positive end of a controllable silicon U4; the pin 4 of the coupler U6 is connected with one end of a resistor R4; the other end of the resistor R4 is connected with a collector terminal of a triode Q3; the base terminal of the triode Q3 is connected with one end of a resistor R5; the other end of the resistor R5 is connected with a pin 7 of a trigger U5; the emitter terminal of the triode Q3 is respectively connected with a ground wire GND and one end of a resistor R3; the other end of the resistor R3 is connected with pin 1 of the coupler U6.
In a further embodiment, the voltage regulation unit includes a resistor R1, a transistor Q1, a resistor R2, a transistor Q2, an inductor L1, an inductor L2, and a port J1; one end of the resistor R1 is respectively connected with the emitter terminal of the triode Q1 and the pin 1 of the port J1; the other end of the resistor R1 is respectively connected with one end of an inductor L1 and a collector terminal of a triode Q1; pin 1 of the resistor R1 is connected with a base terminal of a triode Q1; the other end of the inductor L1 is connected with the negative end of the controllable silicon U1; one end of the resistor R2 is respectively connected with the emitter terminal of the triode Q2 and the pin 2 of the port J1; the other end of the resistor R2 is respectively connected with one end of an inductor L2 and a collector terminal of a triode Q2; pin 1 of the resistor R2 is connected with a base terminal of a triode Q2; the other end of the inductor L2 is connected with the negative end of the controllable silicon U2; pin 3 of the port J1 is connected with the negative end of a controllable silicon U3; and pin 4 of the port J1 is connected with the negative terminal of the controllable silicon U4.
In a further embodiment, the negative terminals of battery B1, battery B2, battery B3, and battery B4 are all connected to the negative terminal of port J1.
In a further embodiment, the trigger U5 is model NE 555; the models of the triode Q1, the triode Q3 and the triode Q2 are NPN; the resistor R1 and the resistor R2 are variable resistors; the controllable silicon U1, the controllable silicon U2, the controllable silicon U3 and the controllable silicon U4 are all unidirectional controllable silicon.
Has the advantages that: the utility model can be based on the working state of the battery in the battery pack; the power supply requirements of different forms are converted, and independent power supply and combined power supply can be realized; in order to prevent the batteries from generating independent undervoltage, the output of each battery is connected with a thyristor, an initial power supply is provided by a diode D1 acquired by a trigger U5, the thyristor acquires a closing signal, and a port J1 acquires power supplies at different stages; in addition, in order to prevent the over-release of the battery, the undervoltage protection threshold is adjusted according to the variable resistor RT 1; de-energizing trigger U5 to open the normally open contacts; according to different degrees of battery release; for the battery exceeding the undervoltage threshold value, the conduction of the silicon controlled rectifier of the independent battery is cut off through a trigger U5; normal operation of other batteries; in addition, the whole undervoltage of the battery pack is protected; the safety of the power supply of the battery pack is ensured.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
Referring to fig. 1, a multifunctional battery pack power supply control system includes:
the battery pack comprises a battery B1, a battery B2, a battery B3, a battery B4, a normally open contact S1, a normally open contact S2, a normally open contact S3 and a normally open contact S4.
One end of the normally open contact S1 in the battery pack is connected with the positive end of the battery B1; the negative electrode end of the battery B1 is connected with one end of a normally open contact S2; the other end of the normally open contact S2 is connected with the positive end of the battery B2; the negative electrode end of the battery B2 is connected with one end of a normally open contact S3; the other end of the normally open contact S3 is connected with the positive end of the battery B3; the negative electrode end of the battery B3 is connected with one end of a normally open contact S4; the other end of the normally open contact S4 is connected with a ground wire GND; the negative terminals of battery B1, battery B2, battery B3, and battery B4 are all connected to the negative terminal of port J1; the battery pack provides stored electrical energy.
The control unit comprises a diode D1, a thyristor U1, a thyristor U2, a thyristor U3 and a thyristor U4.
The positive end of the diode D1 in the control unit is respectively connected with the positive end of the battery B2 and the positive end of the controllable silicon U2; the negative end of the diode D1 is connected with a pin 1 of a controllable silicon U2; the positive end of the controllable silicon U2 is connected with the other end of the normally open contact S1; the negative end of the controlled silicon U1 is respectively connected with the negative end of the controlled silicon U2, the negative end of the controlled silicon U3 and the negative end of the controlled silicon U4; the positive end of the controllable silicon U3 is connected with the positive end of the battery B3; the positive end of the controllable silicon U4 is connected with the positive end of the battery B4; the control unit acquires the stored electric energy; and triggers the transmission of the electrical signal to the detection unit.
The detection unit comprises a variable resistor RT1, a capacitor C1, a trigger U5 and a relay T.
The pin 2 of the variable resistor RT1 in the detection unit is respectively connected with one end of a capacitor C1, a pin 6 of a trigger U5 and the negative end of a thyristor U1; the pin 1 and the pin 3 of the variable resistor RT1 are both connected with a pin 8 of a trigger U5; the capacitor C1 is respectively connected with a pin 2 of a trigger U5, one end of a relay T and the negative electrode end of a battery B4; pin 3 of the trigger U5 is connected with pin 1 of the controllable silicon U2; pin 4 of the trigger U5 is connected with pin 1 of the controllable silicon U3; pin 5 of the trigger U5 is connected with pin 1 of the controllable silicon U4; pin 9 of the trigger U5 is connected with pin 1 of the controllable silicon U1; the detection unit enables each silicon controlled rectifier to be in a conducting state according to the transmission of the electric signals, and the relay T is enabled to adsorb the normally open contact to be closed; and transmits the detection electrical signal to the undervoltage protection unit.
The undervoltage protection unit comprises a resistor R7, a resistor R6, a resistor R4, a resistor R3, a triode Q3 and a coupler U6.
One end of the resistor R7 in the undervoltage protection unit is connected with a pin 2 of a coupler U6; the other end of the resistor R7 is respectively connected with a pin 3 of a coupler U6 and the positive end of a controllable silicon U4; the pin 4 of the coupler U6 is connected with one end of a resistor R4; the other end of the resistor R4 is connected with a collector terminal of a triode Q3; the base terminal of the triode Q3 is connected with one end of a resistor R5; the other end of the resistor R5 is connected with a pin 7 of a trigger U5; the emitter terminal of the triode Q3 is respectively connected with a ground wire GND and one end of a resistor R3; the other end of the resistor R3 is connected with a pin 1 of a coupler U6; the undervoltage protection unit acquires a detection electric signal and controls the on-off of the coupler U6; and converting the output direction of the battery pack.
The voltage regulation unit comprises a resistor R1, a transistor Q1, a resistor R2, a transistor Q2, an inductor L1, an inductor L2 and a port J1.
One end of the resistor R1 in the voltage regulation unit is respectively connected with the emitter terminal of the triode Q1 and the pin 1 of the port J1; the other end of the resistor R1 is respectively connected with one end of an inductor L1 and a collector terminal of a triode Q1; pin 1 of the resistor R1 is connected with a base terminal of a triode Q1; the other end of the inductor L1 is connected with the negative end of the controllable silicon U1; one end of the resistor R2 is respectively connected with the emitter terminal of the triode Q2 and the pin 2 of the port J1; the other end of the resistor R2 is respectively connected with one end of an inductor L2 and a collector terminal of a triode Q2; pin 1 of the resistor R2 is connected with a base terminal of a triode Q2; the other end of the inductor L2 is connected with the negative end of the controllable silicon U2; pin 3 of the port J1 is connected with the negative end of a controllable silicon U3; pin 4 of the port J1 is connected with the negative end of a controllable silicon U4; the voltage regulating unit acquires the stored electric energy of different batteries; and adjusts the output voltage.
The working principle is as follows: when the battery pack is required to supply power, the diode D1 provides breakover voltage for the controllable silicon U2, so that the trigger U5 is electrified, and the electric energy stored in the battery pack is output; when the trigger U5 obtains the power supply of the battery pack, the relay T is electrified, and the adsorption normally open contact is closed, so that the independent batteries of the battery pack form an integrated battery pack; thereby completing the output of the maximum voltage value; when a battery is used independently, the defect point phenomenon is detected by a trigger U5, and the conduction of the controllable silicon on the path is blocked; in addition, the undervoltage protection threshold is adjusted according to the variable resistor RT 1; when the trigger U5 loses power, the power-on path of the relay T is disconnected; thereby enabling each battery to operate and power independently; then according to the parallel connection of the resistor R1 and the triode Q1; the output voltage is regulated and controlled through the resistance value of the resistor R1, the conduction of the triode Q1 can be met according to the regulation of the resistor R1, the output voltage value can be continuously maintained, and the inductor L1 stably regulates the current in the branch circuit; under the normal power supply state, the coupler U6 is in a non-conducting state, and further power supply voltages under different working states are obtained according to the resistor R7; the conduction voltage of the triode Q3 is transmitted according to the trigger U5; the undervoltage of the battery pack is subjected to integral path switching, so that the voltage adjusting unit has no power output, and the power supply safety of the battery pack is ensured.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (7)
1. A multifunctional battery pack power supply control system, comprising:
a battery pack providing stored electrical energy;
a control unit connected to the battery pack; acquiring stored electric energy; triggering the electric signal to be transmitted to the detection unit;
the detection unit is connected with the control unit, and enables each controllable silicon to be in a conducting state according to the transmission of the electric signals, so that the relay T adsorbs the normally open contact to be closed; and transmitting the detection electric signal to the undervoltage protection unit;
the undervoltage protection unit is connected with the detection unit; acquiring a detection electric signal to control the on-off of the coupler U6; converting the output direction of the battery pack;
the voltage regulating unit is connected with the control unit; acquiring stored electric energy of different batteries; and adjusts the output voltage.
2. The multifunctional battery power supply control system according to claim 1, wherein the battery pack comprises a battery B1, a battery B2, a battery B3, a battery B4, a normally open contact S1, a normally open contact S2, a normally open contact S3 and a normally open contact S4; one end of the normally open contact S1 is connected with the positive end of the battery B1; the negative electrode end of the battery B1 is connected with one end of a normally open contact S2; the other end of the normally open contact S2 is connected with the positive end of the battery B2; the negative electrode end of the battery B2 is connected with one end of a normally open contact S3; the other end of the normally open contact S3 is connected with the positive end of the battery B3; the negative electrode end of the battery B3 is connected with one end of a normally open contact S4; the other end of the normally open contact S4 is connected with the ground wire GND.
3. The multifunctional battery pack power supply control system of claim 1, wherein the control unit comprises a diode D1, a thyristor U1, a thyristor U2, a thyristor U3, and a thyristor U4; the positive end of the diode D1 is respectively connected with the positive end of the battery B2 and the positive end of the controllable silicon U2; the negative end of the diode D1 is connected with a pin 1 of a controllable silicon U2; the positive end of the controllable silicon U2 is connected with the other end of the normally open contact S1; the negative end of the controlled silicon U1 is respectively connected with the negative end of the controlled silicon U2, the negative end of the controlled silicon U3 and the negative end of the controlled silicon U4; the positive end of the controllable silicon U3 is connected with the positive end of the battery B3; and the positive end of the controllable silicon U4 is connected with the positive end of the battery B4.
4. The multifunctional battery pack power supply control system according to claim 1, wherein the detection unit comprises a variable resistor RT1, a capacitor C1, a trigger U5 and a relay T; the pin 2 of the variable resistor RT1 is respectively connected with one end of a capacitor C1, a pin 6 of a trigger U5 and the negative end of a thyristor U1; the pin 1 and the pin 3 of the variable resistor RT1 are both connected with a pin 8 of a trigger U5; the capacitor C1 is respectively connected with a pin 2 of a trigger U5, one end of a relay T and the negative electrode end of a battery B4; pin 3 of the trigger U5 is connected with pin 1 of the controllable silicon U2; pin 4 of the trigger U5 is connected with pin 1 of the controllable silicon U3; pin 5 of the trigger U5 is connected with pin 1 of the controllable silicon U4; and pin 9 of the trigger U5 is connected with pin 1 of the thyristor U1.
5. The multifunctional battery pack power supply control system according to claim 1, wherein the undervoltage protection unit comprises a resistor R7, a resistor R6, a resistor R4, a resistor R3, a triode Q3 and a coupler U6; one end of the resistor R7 is connected with pin 2 of the coupler U6; the other end of the resistor R7 is respectively connected with a pin 3 of a coupler U6 and the positive end of a controllable silicon U4; the pin 4 of the coupler U6 is connected with one end of a resistor R4; the other end of the resistor R4 is connected with a collector terminal of a triode Q3; the base terminal of the triode Q3 is connected with one end of a resistor R5; the other end of the resistor R5 is connected with a pin 7 of a trigger U5; the emitter terminal of the triode Q3 is respectively connected with a ground wire GND and one end of a resistor R3; the other end of the resistor R3 is connected with pin 1 of the coupler U6.
6. The multifunctional battery pack power supply control system according to claim 1, wherein the voltage regulating unit comprises a resistor R1, a transistor Q1, a resistor R2, a transistor Q2, an inductor L1, an inductor L2, and a port J1; one end of the resistor R1 is respectively connected with the emitter terminal of the triode Q1 and the pin 1 of the port J1; the other end of the resistor R1 is respectively connected with one end of an inductor L1 and a collector terminal of a triode Q1; pin 1 of the resistor R1 is connected with a base terminal of a triode Q1; the other end of the inductor L1 is connected with the negative end of the controllable silicon U1; one end of the resistor R2 is respectively connected with the emitter terminal of the triode Q2 and the pin 2 of the port J1; the other end of the resistor R2 is respectively connected with one end of an inductor L2 and a collector terminal of a triode Q2; pin 1 of the resistor R2 is connected with a base terminal of a triode Q2; the other end of the inductor L2 is connected with the negative end of the controllable silicon U2; pin 3 of the port J1 is connected with the negative end of a controllable silicon U3; and pin 4 of the port J1 is connected with the negative terminal of the controllable silicon U4.
7. The multifunctional battery power supply control system according to claim 2, wherein the negative terminals of battery B1, battery B2, battery B3 and battery B4 are all connected to the negative terminal of port J1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730631.0U CN216121837U (en) | 2021-07-28 | 2021-07-28 | Multifunctional battery pack power supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730631.0U CN216121837U (en) | 2021-07-28 | 2021-07-28 | Multifunctional battery pack power supply control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121837U true CN216121837U (en) | 2022-03-22 |
Family
ID=80723437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121730631.0U Expired - Fee Related CN216121837U (en) | 2021-07-28 | 2021-07-28 | Multifunctional battery pack power supply control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121837U (en) |
-
2021
- 2021-07-28 CN CN202121730631.0U patent/CN216121837U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2942852B1 (en) | Emergency power source | |
| CN111211587A (en) | Equalizing circuit, charging device and energy storage device | |
| CN110571883B (en) | Lithium battery charging current limiting system | |
| CN201398070Y (en) | Circuit preventing polarity of accumulator from reverse connection | |
| CN100369346C (en) | Improved cascade power supply combination for emergency supplementary charger unit | |
| CN212781125U (en) | Adhesion fault detection system and alternating-current charging stake of relay | |
| CN202014087U (en) | Lithium battery charging protection circuit for portable system | |
| CN101630859B (en) | Mobile terminal charger | |
| CN101976823B (en) | Undervoltage protection circuit for battery | |
| CN209805465U (en) | Storage battery pack topological structure capable of prolonging service life of storage battery | |
| CN208257490U (en) | A kind of photovoltaic energy storage device | |
| CN201868860U (en) | Overdischarge protective circuit of handheld dust collector | |
| CN111146847A (en) | Charge and discharge protection circuit of lithium battery management system and lithium battery management system | |
| CN216121837U (en) | Multifunctional battery pack power supply control system | |
| CN209448457U (en) | A kind of aerial work platform lithium battery power supply Control protection system | |
| CN105656185A (en) | Switching device and switching system of uninterruptible power supply | |
| CN111786427B (en) | Charging box for wireless earphone and wireless earphone product assembly | |
| CN210957897U (en) | Battery parallel switch control circuit device | |
| CN201113506Y (en) | Circuit capable of charging low voltage batteries | |
| CN209184290U (en) | A kind of power supply management circuit | |
| JP2004526399A (en) | Power supply | |
| CN112968485A (en) | UPS lithium battery floating charge control circuit, lithium battery system and UPS lithium battery charge control method | |
| CN108377026B (en) | Single-wire power-taking circuit based on wall switch | |
| CN110884387A (en) | Intelligent electric vehicle | |
| CN216086205U (en) | Battery charging and discharging circuit and battery |
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: 20220322 |