CN217692715U - Energy storage power supply - Google Patents
Energy storage power supply Download PDFInfo
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- CN217692715U CN217692715U CN202221045096.XU CN202221045096U CN217692715U CN 217692715 U CN217692715 U CN 217692715U CN 202221045096 U CN202221045096 U CN 202221045096U CN 217692715 U CN217692715 U CN 217692715U
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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 an energy storage power supply, include: the battery pack is connected with the converter module through the on-off module, the converter module comprises a charging module and a discharging module, the charging module and the discharging module are both connected with the control module, the control module detects the temperature of the battery pack through the detection module, and when the temperature of the battery pack reaches a first temperature threshold value, the control module firstly reduces the charging power of the charging module and/or reduces the output power of the discharging module; if the temperature of the battery pack continues to rise until the second temperature threshold is reached, the control module controls the on-off module to cut off the battery pack, so that the converter module is controlled to cut off output, therefore, before the battery pack triggers temperature protection, the temperature rise of the battery pack is slowed down in a power reduction mode, the situation that the battery pack frequently and rapidly rises in temperature to trigger the temperature protection to cut off the battery pack is avoided, the use of a user is influenced, and the working time is prolonged.
Description
Technical Field
The utility model relates to a power technical field especially relates to an energy storage power.
Background
The energy storage power supply is a multifunctional portable power supply which is internally provided with a rechargeable battery, can store electric energy and has alternating current output. It has the characteristics of light weight, high capacity, high power and convenient carrying, and can be used indoors or outdoors. The user carries the energy storage power to appointed place usually, and the electric quantity of storing through the battery supplies with other equipment and exports the power consumption, is applied to keeping away from the commercial power or some outdoor power consumptions usually, for example, can use field emergency, natural disasters are emergent, outdoor tourism, commercial trip, outdoor operations, field party, power failure emergency etc. field.
The conventional energy storage power supply basically has a temperature protection function, and the common realization method is that when the battery pack is detected to have high temperature, the battery pack is directly protected, the power supply is cut off, and the battery pack can be continuously used after the temperature is recovered to be normal. However, for the energy storage power supply, the temperature protection mode is particularly easy to protect when the energy storage power supply is applied to charging and discharging work in areas with high outdoor environment temperature, so that the temperature protection is triggered by mistake, and the use of products is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy storage power supply aims at solving the problem that the temperature protection of current energy storage power supply triggers easily by mistake when the open air is used.
In a first aspect, the present invention provides an energy storage power supply, including: the device comprises a battery pack, an on-off module, a converter module, a detection module and a control module, wherein the on-off module is connected with the battery pack and is used for cutting off discharging and charging of the battery pack; the converter module comprises a charging module and a discharging module, the charging module and the discharging module are both connected with the battery pack through the on-off module, the charging module is used for charging the battery pack after voltage conversion, and the discharging module is used for supplying power to a load after voltage conversion; the detection module is connected with the battery pack and used for detecting the temperature of the battery pack; the control module is connected with the detection module, the on-off module, the charging module and the discharging module, and is used for controlling the charging module to reduce charging power and/or controlling the discharging module to reduce output power when the temperature of the battery pack reaches a first temperature threshold; the control module is further used for controlling the on-off module to disconnect the battery pack to cut off the power supply of the converter module when the temperature of the battery pack reaches a second temperature threshold; wherein the first temperature threshold is less than the second temperature threshold.
Further, the detection module comprises a first detection unit and a thermistor, the thermistor and the battery pack are arranged adjacently, the first detection unit is connected with the thermistor and the control module, and the first detection unit is used for collecting the temperature of the battery pack through the thermistor.
Further, the detection module comprises a second detection unit and a sampling resistor, the second detection unit is connected with the battery pack through the sampling resistor, the second detection unit is connected with the control module, and the second detection unit is used for detecting the current of the sampling resistor.
Further, the first detection unit is an analog front end detection element; and/or the second detection unit is a bipolar ADC detection element.
Furthermore, the on-off module comprises a charging switch unit and a discharging switch unit, wherein the input end of the charging switch unit is connected with the charging module, the output end of the charging switch unit is connected with the battery pack, and the charging switch unit is used for controlling the charging on and off of the battery pack; the input end of the discharge switch unit is connected with the battery pack, the output end of the discharge switch unit is connected with the discharge module, the discharge switch unit is used for controlling the on and off of the discharge of the battery pack, and the charge switch unit and the discharge switch unit are connected with the control module.
Further, the charging switch unit comprises a first switch tube and a second switch tube, the input end of the first switch tube is connected with the charging module, the output end of the first switch tube is connected with the battery pack, the control end of the first switch tube is connected with the second switch tube, and the control end of the second switch tube is connected with the control module.
Furthermore, the first switch tube is a PMOS tube, the second switch tube is an NMOS tube, a source electrode of the PMOS tube is connected with the charging module, a drain electrode of the PMOS tube is connected with the battery pack, a gate electrode of the PMOS tube is connected with a drain electrode of the NMOS tube, a source electrode of the NMOS tube is grounded, and a gate electrode of the NMOS tube is connected with the control module.
Further, the discharge switch unit comprises a third switch tube and a fourth switch tube, the input end of the third switch tube is connected with the battery pack, the output end of the third switch tube is connected with the discharge module, the control end of the third switch tube is connected with the fourth switch tube, and the control end of the fourth switch tube is connected with the control module.
Furthermore, the third switch tube is a PMOS tube, the fourth switch tube is an NMOS tube, a source electrode of the PMOS tube is connected with the battery pack, a drain electrode of the PMOS tube is connected with the discharging module, a grid electrode of the PMOS tube is connected with a drain electrode of the NMOS tube, the source electrode of the NMOS tube is grounded, and the grid electrode of the NMOS tube is connected with the control module.
Furthermore, the energy storage power supply also comprises a display module, the display module is connected with the control module, and the display module is used for displaying the working state.
Compared with the prior art, the beneficial effects of the utility model are that: the battery pack is connected with the converter module through the on-off module, the converter module comprises a charging module and a discharging module, the charging module and the discharging module are both connected with the control module, the control module detects the temperature of the battery pack through the detection module, and when the temperature of the battery pack reaches a first temperature threshold value, the control module firstly reduces the charging power of the charging module and/or reduces the output power of the discharging module; if the temperature of the battery pack continues to rise until the temperature of the battery pack reaches the second temperature threshold, the control module controls the on-off module to cut off the battery pack, and therefore the converter module is controlled to cut off output.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 shows a schematic circuit diagram of an energy storage power supply according to an embodiment of the present invention;
fig. 2 shows a circuit diagram of an energy storage power supply according to an embodiment of the present invention;
fig. 3 shows a circuit diagram of an on-off module of an energy storage power supply according to an embodiment of the present invention;
10. a battery pack; 20. a switching module; 21. a charging switch unit; 22. a discharge switch unit; 30. a converter module; 31. a charging module; 32. a discharge module; 40. a detection module; 41. a first detection unit; 42. a second detection unit; 50. a control module; 60. a display module;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
The embodiment of the application solves the problem that the conventional energy storage power supply easily triggers temperature protection under a high-temperature environment, and avoids triggering temperature protection by reducing the charging power and the output power of the converter module when reaching a temperature threshold value, so that the working time of a battery is prolonged, the safety working range of a battery pack is ensured, and the use experience of a user is improved.
In order to solve the problem of inconvenient use, the technical scheme in the embodiment of the application has the following general idea:
because the temperature protection is usually triggered when the temperature of the existing energy storage power supply reaches the temperature of the temperature early warning, the power supply is cut off, and the energy storage power supply stops working. The temperature protection mode has no problem at normal ambient temperature, but the temperature protection mode can trigger the temperature protection very easily at high ambient temperature, so that the energy storage power supply stops working for a long time due to the triggering of the temperature protection.
Therefore, the embodiment of the utility model provides an idea sets up two temperature protection points, and the temperature value of first temperature protection point is lower, and the temperature value of second temperature protection is higher. When the battery pack reaches the second temperature protection point, the temperature protection is triggered to cut off the power supply. The key point is that the temperature is lower at the first temperature protection point when the energy storage power supply starts to work, when the energy storage power supply reaches the first temperature protection point after working for a period of time, the charging module of the converter module is controlled by the control module to reduce the charging power and the discharging module to reduce the output power, when the power is reduced, the temperature rising speed is correspondingly reduced, the temperature rising slope is reduced, the energy storage power supply can work for a longer time, and the working time is prolonged. Along with the continuous use of the energy storage power supply, the battery pack continues to slowly rise in temperature until the temperature of the battery pack rises to a second temperature protection point, the control module disconnects the battery pack through the on-off module to cut off the power supply, and the energy storage power supply stops working. Therefore, the problem that the energy storage power supply easily triggers temperature protection in a high-temperature environment is solved, the working time of the energy storage power supply is prolonged, and the safety working range of the battery pack is ensured.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Referring to fig. 1, an embodiment of the present invention provides an energy storage power supply, including: the battery pack comprises a battery pack 10, an on-off module 20, a converter module 30, a detection module 40 and a control module 50, wherein the on-off module 20 is connected with the battery pack 10, and the on-off module 20 is used for cutting off discharging and charging of the battery pack 10; the converter module 30 comprises a charging module 31 and a discharging module 32, both the charging module 31 and the discharging module 32 are connected with the battery pack 10 through the on-off module 20, the charging module 31 is used for charging the battery pack 10 after voltage conversion, and the discharging module 32 is used for supplying power to a load after voltage conversion; a detection module 40 connected to the battery pack 10, wherein the detection module 40 is configured to detect a temperature of the battery pack 10; the control module 50 is connected to the detection module 40, the on-off module 20, the charging module 31 and the discharging module 32, and the control module 50 is configured to control the charging module 31 to reduce charging power and/or control the discharging module 32 to reduce output power when the temperature of the battery pack 10 reaches a first temperature threshold; the control module 50 is further configured to control the on-off module 20 to turn off the battery pack 10 to cut off the power supply of the converter module 30 when the temperature of the battery pack 10 reaches a second temperature threshold; wherein the first temperature threshold is less than the second temperature threshold.
By implementing the embodiment, the battery pack 10 is connected to the converter module 30 through the on-off module 20, the converter module 30 includes a charging module 31 and a discharging module 32, both the charging module 31 and the discharging module 32 are connected to the control module 50, the control module 50 detects the temperature of the battery pack 10 through the detection module 40, and when the temperature of the battery pack 10 reaches the first temperature threshold, the control module 50 first reduces the charging power of the charging module 31 and/or reduces the output power of the discharging module 32; if the temperature of the battery pack 10 continues to rise until reaching the second temperature threshold, the control module 50 controls the on-off module 20 to cut off the battery pack 10, so as to control the converter module 30 to turn off the output, thereby, before the battery pack 10 triggers the temperature protection, the first temperature threshold is set to trigger to reduce the charging power of the charging module 31 and the output power of the discharging module 32, the temperature rise of the battery pack 10 is slowed down in a power reduction manner, the battery pack 10 is prevented from frequently and rapidly rising temperature to trigger the temperature protection to cut off the battery pack 10, the use of a user is affected, the over-temperature protection situation is reduced, the safe working range of the battery pack 10 is ensured, the working time is prolonged, and the use experience of the user is improved.
It should be noted that the first temperature threshold is smaller than the second temperature threshold, for example, the first temperature threshold may be 45 degrees, and the second temperature threshold may be 65 degrees, but it should be understood that the first temperature threshold may also be any other value, and is not limited herein.
Referring to fig. 2, in an embodiment, the detection module 40 includes a first detection unit 41 and a thermistor, the thermistor is disposed adjacent to the battery pack 10, the first detection unit 41 is connected to the thermistor and the control module 50, and the first detection unit 41 is used for collecting the temperature of the battery pack 10 through the thermistor.
Specifically, the thermistor is a negative temperature system thermistor NTC. The thermistor is disposed beside the battery pack 10 or directly on the battery pack 10 to facilitate temperature sensing. The NTC can be one or more. LDO (regulated power supply) provides a standard and stable mains voltage and gives R9, carries out the partial pressure through R9 and gives NTC1 and supplies power, and NTC1 is the thermistor sensitive to the temperature, can gather battery temperature data in real time. The first detection unit 41 is an analog front end detection element (AFE) for detecting each string of cells of the battery pack 10 and transmitting each string of cell information to the MCU. When the temperature of the battery changes, the value of the NTC1 also changes, and the analog front end can detect the voltage signal after the resistance value of the NTC1 changes and convert the voltage signal to output a digital signal to the MCU (control module 50).
Referring to fig. 2, in an embodiment, the detection module 40 includes a second detection unit 42 and a sampling resistor R8, the second detection unit 42 is connected to the battery pack 10 through the sampling resistor R8, the second detection unit 42 is connected to the control module 50, and the second detection unit 42 is configured to detect a current of the sampling resistor R8. Wherein the second detection unit 42 is a bipolar ADC detection element. Specifically, the second detection unit 42 is a bipolar digital ADC module, which can detect the charging and discharging current of the battery through the current detection sampling resistor R8, detect the direction of the current of R8, and transmit the digital signal to the MCU control module 50. The MCU knows the current direction and then knows whether to charge or discharge, and then controls the charging module 31 or the discharging module 32.
Referring to fig. 2, in an embodiment, the on-off module 20 includes a charging switch unit 21 and a discharging switch unit 22, an input end of the charging switch unit 21 is connected to the charging module 31, an output end of the charging switch unit 21 is connected to the battery pack 10, and the charging switch unit 21 is configured to control on and off of charging of the battery pack 10; the input end of the discharge switch unit 22 is connected to the battery pack 10, the output end of the discharge switch unit 22 is connected to the discharge module 32, the discharge switch unit 22 is used for controlling the on and off of the discharge of the battery pack 10, wherein the charge switch unit 21 and the discharge switch unit 22 are both connected to the control module 50.
Since the converter module 30 includes a charging module 31 for voltage conversion when charging the battery pack 10 and a discharging module 32 for voltage conversion when discharging the load. Accordingly, the charging switch unit 21 is disposed in the on-off module 20 to control the on-off of the charging module 31, and the discharging switch unit 22 is disposed in the on-off module 20 to control the on-off of the discharging module 32. The charging switch unit 21 and the discharging switch unit 22 are controlled by the control module 50, and when the control module 50 detects that the battery attenuation condition is reached, the charging switch unit 21 is controlled to be switched off, so that the charging of the battery pack 10 by the charging module 31 is cut off; and controlling the discharge switch unit 22 to be turned off, thereby cutting off the power supply of the discharge module 32 to the load.
Referring to fig. 3, in this embodiment, the charging switch unit 21 includes a first switch tube M2 and a second switch tube M4, an input end of the first switch tube M2 is connected to the charging module 31, an output end of the first switch tube M2 is connected to the battery pack 10, a control end of the first switch tube M2 is connected to the second switch tube M4, and a control end of the second switch tube M4 is connected to the control module 50.
The first switching tube M2 is used as a switch between the battery pack 10 and the charging module 31, and the second switching tube M4 is connected to the control end of the first switching tube M2 and is used as a switch for controlling the first switching tube M2 to be switched on or off. Specifically, the control module 50 sends a conduction electric signal to the second switching tube M4 to control the conduction of the second switching tube M4, and since the first switching tube M2 is controlled by the second switching tube M4, the first switching tube M2 is also conducted, and the charging module 31 can charge the battery pack 10. The control module 50 sends an off signal to the second switching tube M4 to control the second switching tube M4 to be turned off, and since the first switching tube M2 is controlled by the second switching tube M4, the second switching tube M4 is also turned off, and the charging module 31 is turned off, so that the battery pack 10 cannot be charged.
The first switch tube M2 is a PMOS tube, the second switch tube M4 is an NMOS tube, a source electrode of the PMOS tube is connected to the charging module 31, a drain electrode of the PMOS tube is connected to the battery pack 10, a gate electrode of the PMOS tube is connected to a drain electrode of the NMOS tube, the source electrode of the NMOS tube is grounded, and the gate electrode of the NMOS tube is connected to the control module 50.
Specifically, the first switch tube M2 is a PMOS tube, the second switch tube M4 is an NMOS tube, a source electrode of the PMOS tube is connected to the charging module 31, a drain electrode of the PMOS tube is connected to the battery pack 10, a gate electrode of the PMOS tube is connected to a drain electrode of the NMOS tube, a source electrode of the NMOS tube is grounded, and a gate electrode of the NMOS tube is connected to the control module 50. The charging switch unit 21 further includes a fourth resistor R4 and a seventh resistor R7, two ends of the fourth resistor R4 are connected to the drain and the gate of the PMOS transistor, and two ends of the seventh resistor R7 are connected to the gate of the PMOS transistor and the drain of the NMOS transistor. When the control module 50 applies a high level to the NMOS transistor, the NMOS transistor is turned on, and the gate voltage of the PMOS transistor is pulled low by the fourth resistor R4, so that the PMOS transistor is turned on. When the control module 50 applies a low level to the NMOS transistor, the NMOS transistor is turned off, and the PMOS transistor is also turned off. It is understood that, in other embodiments, the first switching tube M2 and the second switching tube M4 may also be other types of switching tubes, such as a diode, a triode, an IGBT, and the like, and may be specifically configured according to actual requirements.
Referring to fig. 3, in the present embodiment, the discharge switch unit 22 includes a third switch tube M1 and a fourth switch tube M3, an input terminal of the third switch tube M1 is connected to the battery pack 10, an output terminal of the third switch tube M1 is connected to the discharge module 32, a control terminal of the third switch tube M1 is connected to the fourth switch tube M3, and a control terminal of the fourth switch tube M3 is connected to the control module 50.
The third switching tube M1 is used as a conducting switch between the battery pack 10 and the discharging module 32, and the fourth switching tube M3 is connected to the control end of the third switching tube M1 and is used as a switch for controlling the third switching tube M1 to be conducted or disconnected. Specifically, the control module 50 sends a conducting electric signal to the fourth switching tube M3 to control the fourth switching tube M3 to be conducted, and since the third switching tube M1 is controlled by the fourth switching tube M3, the third switching tube M1 is also conducted, and the discharging module 32 can supply power to the load. The control module 50 sends a turn-off electric signal to the fourth switching tube M3 to control the fourth switching tube M3 to be turned off, and since the third switching tube M1 is controlled by the fourth switching tube M3, the fourth switching tube M3 is also turned off, and the discharging module 32 is cut off, so that power cannot be supplied to the load.
Specifically, the third switch tube M1 is a PMOS tube, the fourth switch tube M3 is an NMOS tube, a source electrode of the PMOS tube is connected to the battery pack 10, a drain electrode of the PMOS tube is connected to the discharge module 32, a gate electrode of the PMOS tube is connected to a drain electrode of the NMOS tube, a source electrode of the NMOS tube is grounded, and a gate electrode of the NMOS tube is connected to the control module 50. The discharge switch unit 22 further includes a fifth resistor R5 and a sixth resistor R6, two ends of the fifth resistor R5 are connected to the drain and the gate of the PMOS transistor, and two ends of the sixth resistor R6 are connected to the gate of the PMOS transistor and the drain of the NMOS transistor. When the control module 50 applies a high level to the NMOS transistor, the NMOS transistor is turned on, and the gate voltage of the PMOS transistor is pulled low by the fifth resistor R5, so that the PMOS transistor is turned on. When the control module 50 applies a low level to the NMOS transistor, the NMOS transistor is turned off, and the PMOS transistor is also turned off. It is understood that, in other embodiments, the first switching tube and the second switching tube may also be other types of switching tubes, for example, a diode, a triode, an IGBT, and the like, which may be specifically configured according to actual requirements.
Referring to fig. 1, in an embodiment, the energy storage power supply further includes a display module 60, the display module 60 is connected to the control module 50, and the display module 60 is configured to display an operating state. Specifically, the display module 60 is a display screen, and the display screen displays the working state in real time, such as displaying the remaining battery capacity, the current temperature, and the like.
The following brief description of the working principle of the present embodiment is made with reference to the drawings:
the MCU control module 50 is a micro-control processor, and may be a module for communicating with a plurality of control processors. The battery temperature controller is provided with a plurality of IO ports, the current specific temperature value of the battery can be judged through a digital signal transmitted by an analog front end, when the detection module 40 detects that the temperature of the battery pack 10 reaches a first temperature threshold value, the MCU control module 50 controls the converter module 30 to start to reduce charging or output power, and when the detection module 40 detects that the temperature of the battery pack 10 reaches a second temperature threshold value, the MCU control module 50 controls the converter module 30 to turn off output, so that the safety working range of the battery pack is ensured.
The converter module 30 comprises a charging module 31 and a discharging module 32, wherein when the MCU gives a charging power-down signal, the charging module 31 reduces the charging current to reduce the charging power to the battery, and when the MCU gives a discharging power-down signal, the discharging module 32 reduces the output voltage to reduce the output power of the battery.
First, the temperature of the battery pack 10 is detected through the analog front end detection element and the thermistor, and when the temperature of the battery pack 10 reaches a first temperature threshold, the MCU controls the charging module 31 to decrease the charging power and controls the discharging module 32 to decrease the discharging power. Then, the battery pack 10 continues to operate and continuously increases in temperature, and when the temperature of the battery pack 10 reaches the second temperature threshold, the MCU outputs level signals to M3 and M4 to control M3 and M4 to be turned off, thereby cutting off the charging and discharging of the battery pack 10. The safe operation range of the battery pack is secured, and the operation state is displayed on the display module 60 in real time.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An energy storage power supply, comprising:
a battery pack;
the on-off module is connected with the battery pack and is used for cutting off discharging and charging of the battery pack;
the converter module comprises a charging module and a discharging module, the charging module and the discharging module are connected with the battery pack through the on-off module, the charging module is used for charging the battery pack after voltage conversion, and the discharging module is used for supplying power to a load after voltage conversion;
the detection module is connected with the battery pack and used for detecting the temperature of the battery pack;
the control module is connected with the detection module, the on-off module, the charging module and the discharging module, and is used for controlling the charging module to reduce charging power and/or controlling the discharging module to reduce output power when the temperature of the battery pack reaches a first temperature threshold; the control module is further used for controlling the on-off module to disconnect the battery pack to cut off the power supply of the converter module when the temperature of the battery pack reaches a second temperature threshold; wherein the first temperature threshold is less than the second temperature threshold.
2. The energy storage power supply according to claim 1, wherein the detection module comprises a first detection unit and a thermistor, the thermistor is disposed adjacent to the battery pack, the first detection unit is connected with the thermistor and the control module, and the first detection unit is configured to collect the temperature of the battery pack through the thermistor.
3. The energy storage power supply according to claim 2, wherein the detection module comprises a second detection unit and a sampling resistor, the second detection unit is connected with the battery pack through the sampling resistor, the second detection unit is connected with the control module, and the second detection unit is used for detecting the current of the sampling resistor.
4. The energy storage power supply according to claim 3, wherein the first detection unit is an analog front end detection element; and/or the second detection unit is a bipolar ADC detection element.
5. The energy storage power supply according to claim 1, wherein the on-off module comprises a charging switch unit and a discharging switch unit, an input end of the charging switch unit is connected with the charging module, an output end of the charging switch unit is connected with the battery pack, and the charging switch unit is used for controlling the charging of the battery pack to be switched on and off; the input end of the discharge switch unit is connected with the battery pack, the output end of the discharge switch unit is connected with the discharge module, the discharge switch unit is used for controlling the on and off of the discharge of the battery pack, and the charge switch unit and the discharge switch unit are connected with the control module.
6. The energy storage power supply according to claim 5, wherein the charging switch unit comprises a first switch tube and a second switch tube, an input end of the first switch tube is connected with the charging module, an output end of the first switch tube is connected with the battery pack, a control end of the first switch tube is connected with the second switch tube, and a control end of the second switch tube is connected with the control module.
7. The energy storage power supply according to claim 6, wherein the first switch tube is a PMOS tube, the second switch tube is an NMOS tube, a source electrode of the PMOS tube is connected with the charging module, a drain electrode of the PMOS tube is connected with the battery pack, a gate electrode of the PMOS tube is connected with a drain electrode of the NMOS tube, a source electrode of the NMOS tube is grounded, and a gate electrode of the NMOS tube is connected with the control module.
8. The energy storage power supply according to claim 5, wherein the discharge switch unit comprises a third switch tube and a fourth switch tube, an input end of the third switch tube is connected with the battery pack, an output end of the third switch tube is connected with the discharge module, a control end of the third switch tube is connected with the fourth switch tube, and a control end of the fourth switch tube is connected with the control module.
9. The energy storage power supply of claim 8, wherein the third switching tube is a PMOS tube, the fourth switching tube is an NMOS tube, a source electrode of the PMOS tube is connected with the battery pack, a drain electrode of the PMOS tube is connected with the discharging module, a gate electrode of the PMOS tube is connected with a drain electrode of the NMOS tube, a source electrode of the NMOS tube is grounded, and a gate electrode of the NMOS tube is connected with the control module.
10. The energy storage power supply according to any one of claims 1-9, further comprising a display module, wherein the display module is connected to the control module, and the display module is configured to display an operating state.
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| CN202221045096.XU CN217692715U (en) | 2022-04-29 | 2022-04-29 | Energy storage power supply |
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| CN116111692A (en) * | 2023-03-14 | 2023-05-12 | 深圳市拓普泰克技术股份有限公司 | Outdoor portable energy storage power supply control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111692A (en) * | 2023-03-14 | 2023-05-12 | 深圳市拓普泰克技术股份有限公司 | Outdoor portable energy storage power supply control system |
| CN116111692B (en) * | 2023-03-14 | 2023-09-29 | 深圳市拓普泰克技术股份有限公司 | Outdoor portable energy storage power supply control system |
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