CN216488268U - Battery pack temperature compensation system - Google Patents
Battery pack temperature compensation system Download PDFInfo
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- CN216488268U CN216488268U CN202121900863.6U CN202121900863U CN216488268U CN 216488268 U CN216488268 U CN 216488268U CN 202121900863 U CN202121900863 U CN 202121900863U CN 216488268 U CN216488268 U CN 216488268U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery pack temperature compensation system, which comprises: the voltage compensation module is connected with the power supply end; adjusting the required compensation voltage value, and transmitting the compensation voltage value to a temperature feedback compensation module; the temperature feedback compensation module detects the surface temperature of the battery B through a thermistor Y1; and compensating the output voltage; the clamping protection module clamps the input overvoltage and transmits stable voltage to the battery pack; and transmitting to a voltage stabilizing module; the voltage stabilizing module is connected with the clamping protection module; carrying out voltage stabilization regulation on the output voltage of the battery pack and the output voltage of the power supply end; and output through the output end; according to the utility model, through mutual compensation of voltage and temperature, the influence on the battery B1 under different environments is avoided; a voltage dependent resistor Y2 and a voltage dependent resistor Y3 are arranged at the charging end and the discharging end of the battery B1; further, when the circuit bears overvoltage, voltage clamping is carried out, and redundant current is absorbed to protect the battery B; avoiding instability of electric energy storage and transmission.
Description
Technical Field
The utility model relates to temperature compensation, in particular to a temperature compensation system for a battery pack.
Background
Temperature compensation, which requires temperature measurement correction due to inherent deviation of temperature measuring devices in temperature measurement. This correction is a temperature compensation.
The prior art has the problems that the power supply output by the battery pack influenced by temperature cannot be adjusted; causing instability in the discharge of the battery pack; in addition, an excessively low operating temperature of the battery pack may result in a decrease in the discharge capacity and recharge efficiency of the battery; the excessive working temperature can multiply the float charging current, so that the use frequency of the battery pack is reduced; when the battery pack operates at a low temperature to increase the float voltage and operates at a high temperature to decrease the float voltage, it is very important to compensate the temperature of the float voltage during the float charging of the battery.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a battery pack temperature compensation system is provided to solve the above problems of the prior art.
The technical scheme is as follows: a battery pack temperature compensation system, comprising:
the voltage compensation module is connected with the power supply end; adjusting the required compensation voltage value, and transmitting the adjusted compensation voltage value to the temperature feedback compensation module;
the temperature feedback compensation module is connected with the voltage compensation module; detecting the surface temperature of the battery B through a thermistor Y1; and compensating the output voltage;
the clamping protection module is connected with the voltage compensation module and the temperature feedback compensation module in parallel; clamping the input overvoltage and transmitting stable voltage to the battery pack; and transmitting to a voltage stabilizing module;
the voltage stabilizing module is connected with the clamping protection module; carrying out voltage stabilization regulation on the output voltage of the battery pack and the output voltage of the power supply end; and output through the output terminal.
In a further embodiment, the voltage compensation module comprises a resistor R1, a diode D1, a resistor R2, a variable resistor RT1, a capacitor C1, and a diode D2; one end of the resistor R1 is connected with a power supply terminal pin 1; the other end of the resistor R1 is respectively connected with the diode D1, the positive end of the capacitor C1, one end of the resistor R2 and the positive end of the diode D2; the negative end of the diode D1 is connected with a pin 3 of a variable resistor RT 1; the pin 2 and the pin 1 of the variable resistor RT1 are both connected with the other end of the resistor R2; the negative terminal of the diode D2 is connected with the negative terminal of the capacitor C1.
In a further embodiment, the temperature feedback compensation module includes a converter U1, a resistor R3, an operational amplifier U2, and a thermistor Y1; the pin 1 of the converter U1 is connected with the other end of the resistor R2; the pin 2 of the converter U1 is respectively connected with a ground wire GND and one end of a thermistor Y1; the pin 3 of the converter U1 is respectively connected with one end of a resistor R3 and the negative end of a diode D2; the other end of the thermistor Y1 is connected with a pin 2 of an operational amplifier U2; the other end of the resistor R3 is connected with the pin 3 of the operational amplifier U2 and one end of the resistor R1 respectively.
In a further embodiment, the clamp protection module includes a voltage dependent resistor Y2, an inductor L1, an inductor L3, a voltage dependent resistor Y3; one end of the piezoresistor Y2 is connected with one end of the inductor L1 and one end of the resistor R1 respectively; the other end of the inductor L1 is connected with one end of a piezoresistor Y3 and an operational amplifier U2 pin 1 respectively; the other end of the piezoresistor Y2 is connected with the power supply terminal pin 2, one end of the inductor L3 and the other end of the piezoresistor Y3 respectively.
In a further embodiment, the clamp protection module further comprises a battery pack; the battery pack comprises a capacitor C3 and a battery B1; one end of the capacitor C3 is connected with the other end of the inductor L1 and the positive terminal of the battery B respectively; the other end of the capacitor C3 is connected with the other end of the counter inductor L3 and the negative electrode end of the battery B respectively.
In a further embodiment, the voltage regulation module comprises a thyristor U3, an inductor L2, a resistor R4 and a capacitor C2; the pin 1 of the controllable silicon U3 is respectively connected with one end of an inductor L2 and one end of a resistor R4; the negative end of the controlled silicon U3 is respectively connected with one end of a voltage dependent resistor Y3, the other end of an inductor L2, one end of a capacitor C2 and an output end pin 1; and the positive end of the controllable silicon U3 is respectively connected with a ground wire GND, the other end of the resistor R4, the other end of the capacitor C2 and an output end pin 2.
In a further embodiment, the capacitor C1 is an electrolytic capacitor.
Has the advantages that: according to the utility model, through mutual compensation of voltage and temperature, when the ambient temperature changes, the voltage compensation module compensates the voltage lost by temperature conversion, the adjustment accords with the storage voltage required by the battery pack, and when the temperature of the battery pack changes, the temperature change condition of the battery B is detected through the thermistor Y1; and fed back to the operational amplifier U2; further compensating the lost voltage according to the change of the temperature; the influence on the battery B1 under different environments is avoided; in addition, at the charging end and the discharging end of the battery B1, a voltage dependent resistor Y2 and a voltage dependent resistor Y3 are arranged; further, when the circuit bears overvoltage, voltage clamping is carried out, and redundant current is absorbed to protect the battery B; then, voltage stabilization regulation is carried out according to the voltage output by the battery B; avoiding instability of electric energy storage and transmission.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
Referring to fig. 1, a battery pack temperature compensation system includes:
the voltage compensation module comprises a resistor R1, a diode D1, a resistor R2, a variable resistor RT1, a capacitor C1 and a diode D2,
one end of a resistor R1 in the voltage compensation module is connected with a power supply terminal pin 1; the other end of the resistor R1 is respectively connected with the diode D1, the positive end of the capacitor C1, one end of the resistor R2 and the positive end of the diode D2; the negative end of the diode D1 is connected with a pin 3 of a variable resistor RT 1; the pin 2 and the pin 1 of the variable resistor RT1 are both connected with the other end of the resistor R2; the negative terminal of the diode D2 is connected with the negative terminal of the capacitor C1. And the voltage compensation module is used for adjusting the required compensation voltage value.
The temperature feedback compensation module comprises a converter U1, a resistor R3, an operational amplifier U2 and a thermistor Y1.
The pin 1 of the converter U1 in the temperature feedback compensation module is connected with the other end of the resistor R2; the pin 2 of the converter U1 is respectively connected with a ground wire GND and one end of a thermistor Y1; the pin 3 of the converter U1 is respectively connected with one end of a resistor R3 and the negative end of a diode D2; the other end of the thermistor Y1 is connected with a pin 2 of an operational amplifier U2; the other end of the resistor R3 is respectively connected with a pin 3 of an operational amplifier U2 and one end of a resistor R1; a temperature feedback compensation module; the thermistor Y1 detects the surface temperature of the battery B.
The clamping protection module comprises a piezoresistor Y2, an inductor L1, an inductor L3 and a piezoresistor Y3.
One end of the piezoresistor Y2 in the clamping protection module is respectively connected with one end of an inductor L1 and one end of a resistor R1; the other end of the inductor L1 is connected with one end of a piezoresistor Y3 and an operational amplifier U2 pin 1 respectively; the other end of the piezoresistor Y2 is connected with a power supply end pin 2, one end of an inductor L3 and the other end of the piezoresistor Y3 respectively; the clamping protection module clamps the input overvoltage and transmits stable voltage to the battery pack; drawing excess current to protect battery B.
The protection module further comprises a battery pack;
the battery pack comprises a capacitor C3 and a battery B1,
one end of the capacitor C3 in the battery pack is respectively connected with the other end of the inductor L1 and the positive terminal of the battery B; the other end of the capacitor C3 is connected with the other end of the counter inductor L3 and the negative electrode end of the battery B respectively.
The voltage stabilizing module comprises a thyristor U3, an inductor L2, a resistor R4 and a capacitor C2.
The pin 1 of the controllable silicon U3 in the voltage stabilizing module is respectively connected with one end of an inductor L2 and one end of a resistor R4; the negative end of the controlled silicon U3 is respectively connected with one end of a voltage dependent resistor Y3, the other end of an inductor L2, one end of a capacitor C2 and an output end pin 1; the positive end of the controllable silicon U3 is respectively connected with a ground wire GND, the other end of the resistor R4, the other end of the capacitor C2 and an output end pin 2; the voltage stabilizing module is used for performing voltage stabilizing regulation on the output voltage of the battery pack and the output voltage of the power supply end; and output through the output terminal.
The working principle is as follows: when the battery pack needs to be powered, firstly, the voltage transmitted by the power supply end is received through the resistor R1, serial voltage division is carried out, and the variable resistor RT1 adjusts the voltage value needed by the converter U1; the diode D1 limits the direction of voltage transmission; the thermistor Y1 detects the temperature of the surface of the battery B and feeds the detected temperature value back to the operational amplifier U2, and the operational amplifier U2 controls the output voltage value of the converter U1 based on the temperature change and outputs the output voltage value by using the operational amplifier U2; thereby compensating for the lost voltage value according to the change of the temperature;
when the temperature of the battery B exceeds the set value of the piezoresistor Y1, the operational amplifier U2 is in a non-operating state at the moment;
when the voltage provided by the power supply end exceeds the voltage value set by the battery B, the voltage is clamped and protected through a voltage dependent resistor Y2 to absorb redundant current; current stabilization is carried out through an inductor L1 and an inductor L3; the capacitor C3 reduces voltage ripples of the power supply end and improves the transmission quality of current; the piezoresistor Y2 carries out filtration protection on the discharge stage of the battery B1; when the voltage and the current of the battery B are lower than a set value, the silicon controlled rectifier U3 is turned off, and the silicon controlled rectifier U3 is turned off; the capacitor C2 filters the output interference power; and further avoid the unstability of electric energy storage and transmission and the unstability of electric energy storage brought by the change of the temperature of the battery pack.
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 (6)
1. A battery pack temperature compensation system, comprising:
the voltage compensation module is connected with the power supply end; adjusting the required compensation voltage value, and transmitting the adjusted compensation voltage value to the temperature feedback compensation module;
the temperature feedback compensation module is connected with the voltage compensation module; detecting the surface temperature of the battery B through a thermistor Y1; and compensating the output voltage;
the clamping protection module is connected with the voltage compensation module and the temperature feedback compensation module in parallel; clamping the input overvoltage and transmitting stable voltage to the battery pack; and transmitting to a voltage stabilizing module;
the voltage stabilizing module is connected with the clamping protection module; carrying out voltage stabilization regulation on the output voltage of the battery pack and the output voltage of the power supply end; and output through the output terminal.
2. The battery pack temperature compensation system of claim 1, wherein the voltage compensation module comprises a resistor R1, a diode D1, a resistor R2, a variable resistor RT1, a capacitor C1, and a diode D2; one end of the resistor R1 is connected with a power supply terminal pin 1; the other end of the resistor R1 is respectively connected with the diode D1, the positive end of the capacitor C1, one end of the resistor R2 and the positive end of the diode D2; the negative end of the diode D1 is connected with a pin 3 of a variable resistor RT 1; the pin 2 and the pin 1 of the variable resistor RT1 are both connected with the other end of the resistor R2; the negative terminal of the diode D2 is connected with the negative terminal of the capacitor C1.
3. The battery pack temperature compensation system of claim 1, wherein the temperature feedback compensation module comprises a converter U1, a resistor R3, an operational amplifier U2 and a thermistor Y1; the pin 1 of the converter U1 is connected with the other end of the resistor R2; the pin 2 of the converter U1 is respectively connected with a ground wire GND and one end of a thermistor Y1; the pin 3 of the converter U1 is respectively connected with one end of a resistor R3 and the negative end of a diode D2; the other end of the thermistor Y1 is connected with a pin 2 of an operational amplifier U2; the other end of the resistor R3 is connected with the pin 3 of the operational amplifier U2 and one end of the resistor R1 respectively.
4. The battery pack temperature compensation system of claim 1, wherein the clamp protection module comprises a voltage dependent resistor Y2, an inductor L1, an inductor L3, a voltage dependent resistor Y3; one end of the piezoresistor Y2 is connected with one end of the inductor L1 and one end of the resistor R1 respectively; the other end of the inductor L1 is connected with one end of a voltage dependent resistor Y3 and a pin 1 of an operational amplifier U2 respectively; the other end of the piezoresistor Y2 is connected with the power supply terminal pin 2, one end of the inductor L3 and the other end of the piezoresistor Y3 respectively.
5. The battery pack temperature compensation system of claim 4, wherein the clamp protection module further comprises a battery pack; the battery pack comprises a capacitor C3 and a battery B1; one end of the capacitor C3 is connected with the other end of the inductor L1 and the positive terminal of the battery B respectively; the other end of the capacitor C3 is connected with the other end of the counter inductor L3 and the negative electrode end of the battery B respectively.
6. The battery pack temperature compensation system according to claim 1, wherein the voltage regulation module comprises a thyristor U3, an inductor L2, a resistor R4 and a capacitor C2; pin 1 of the controllable silicon U3 is respectively connected with one end of an inductor L2 and one end of a resistor R4; the negative end of the controlled silicon U3 is respectively connected with one end of a voltage dependent resistor Y3, the other end of an inductor L2, one end of a capacitor C2 and an output end pin 1; and the positive end of the controllable silicon U3 is respectively connected with a ground wire GND, the other end of the resistor R4, the other end of the capacitor C2 and an output end pin 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121900863.6U CN216488268U (en) | 2021-08-14 | 2021-08-14 | Battery pack temperature compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121900863.6U CN216488268U (en) | 2021-08-14 | 2021-08-14 | Battery pack temperature compensation system |
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| CN216488268U true CN216488268U (en) | 2022-05-10 |
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| CN202121900863.6U Active CN216488268U (en) | 2021-08-14 | 2021-08-14 | Battery pack temperature compensation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394508A (en) * | 2023-12-13 | 2024-01-12 | 成都利普芯微电子有限公司 | Battery protection packaging body |
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2021
- 2021-08-14 CN CN202121900863.6U patent/CN216488268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394508A (en) * | 2023-12-13 | 2024-01-12 | 成都利普芯微电子有限公司 | Battery protection packaging body |
| CN117394508B (en) * | 2023-12-13 | 2024-04-02 | 成都利普芯微电子有限公司 | Battery protection packaging body |
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