CN217606903U - Battery module and electronic equipment - Google Patents
Battery module and electronic equipment Download PDFInfo
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- CN217606903U CN217606903U CN202221690858.1U CN202221690858U CN217606903U CN 217606903 U CN217606903 U CN 217606903U CN 202221690858 U CN202221690858 U CN 202221690858U CN 217606903 U CN217606903 U CN 217606903U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The embodiment of the utility model provides a battery module and electronic equipment, the battery module includes heating module, thermoelectric conversion module, energy storage module and refrigeration piece, and thermoelectric conversion module sets up on heating module, and thermoelectric conversion module is connected with the first end electricity of energy storage module, and the second end of energy storage module is connected with the refrigeration piece electricity; the refrigeration piece is towards the module setting that generates heat, and the refrigeration piece is used for dispelling the heat to the module that generates heat. A part of waste heat generated by the heating module is recovered through the thermoelectric conversion module so as to preliminarily reduce the temperature of the heating module, the thermoelectric conversion module converts heat energy recovered from the heating module into electric energy and outputs the electric energy to the energy storage module, and the energy storage module stores the electric energy, so that the energy utilization rate is improved; under the condition that the temperature of the heating module is still higher, the energy storage module supplies power to the refrigerating piece, so that the refrigerating piece dissipates heat of the heating module, the temperature of the heating module is further reduced, and the heat dissipation efficiency is improved.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery module and electronic equipment.
Background
Along with the development of unmanned aerial vehicle technique, numerous unmanned aerial vehicle products appear in our life, in order to satisfy unmanned aerial vehicle's power demand and quick charge-discharge demand, adopt high energy density lithium cell usually. However, the high energy density battery generates a large amount of heat during the discharging process, and if no good heat dissipation condition exists, the heat is accumulated and the internal temperature of the battery is increased, thereby shortening the service life of the battery, reducing the performance of the battery, and even possibly causing the dangerous consequences of liquid leakage, smoke generation and combustion explosion.
It can be seen that the battery in the prior art has the problem of poor heat dissipation.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery module and electronic equipment to solve the relatively poor problem of battery heat dissipation among the prior art.
The embodiment of the utility model provides a battery module, including heating module, thermoelectric conversion module, energy storage module and refrigeration piece, thermoelectric conversion module sets up on the heating module, and thermoelectric conversion module is connected with the first end electricity of energy storage module, the second end of energy storage module with the refrigeration piece electricity is connected;
the refrigeration piece orientation the module setting that generates heat, the refrigeration piece is used for right the module that generates heat dispels the heat.
Optionally, the thermoelectric conversion module further comprises a housing, the heat generating module is disposed inside the housing, a first assembly hole is formed in the housing, the first end of the thermoelectric conversion module passes through the first assembly hole and is disposed on the heat generating module, and the second end of the thermoelectric conversion module is exposed outside the housing from the first assembly hole.
Optionally, the refrigeration piece includes an air inlet pipe and an air outlet pipe, a first through hole and a second through hole are further formed in the shell, the refrigeration piece is arranged outside the shell, and the air inlet pipe and the air outlet pipe respectively penetrate through the first through hole and the second through hole to face the heating module.
Optionally, the refrigerator further comprises a first control module, and the second end of the energy storage module is electrically connected with the refrigeration piece through the first control module;
and under the condition that the temperature of the heating module is greater than or equal to a target temperature threshold value, the first control module controls the energy storage module to supply power to the refrigerating piece.
Optionally, the heating module comprises a battery, and a third end of the energy storage module is electrically connected with the battery through the second control module;
and under the condition that the electric quantity of the battery is less than or equal to the target electric quantity, the second control module controls the energy storage module to supply power to the battery.
Optionally, the first control module comprises a first control chip, a first thermistor and a first field effect tube set, wherein,
the output end of the second end of the energy storage module is connected with the input end of the first thermistor, the output end of the first thermistor is connected with the input end of the first control chip, the output end of the first thermistor is also connected with the input end of the refrigeration piece, and the output end of the first control chip is connected with the input end of the second end of the energy storage module;
the first end of the first field effect tube group is connected with the output end of the first control chip, the second end of the first field effect tube group is connected with the input end of the second end of the energy storage module, and the third end of the first field effect tube group is connected with the output end of the refrigerating piece;
the first control chip is used for controlling the connection and disconnection of the second end and the third end of the first field effect tube group.
Optionally, the second control module comprises a second control chip, a second thermistor and a second field effect transistor group, wherein,
the output end of the third end of the energy storage module is connected with the input end of the second thermistor, the output end of the second thermistor is connected with the input end of the second control chip, the output end of the second thermistor is also connected with the input end of the battery, and the output end of the second control chip is connected with the input end of the third end of the energy storage module;
the first end of the second field effect tube group is connected with the output end of the second control chip, the second end of the second field effect tube group is connected with the input end of the third end of the energy storage module, and the third end of the second field effect tube group is connected with the output end of the battery;
the second control chip is used for controlling the connection and disconnection of the second end and the third end of the second field effect tube group.
Optionally, the number of the thermoelectric conversion modules is plural, and the heat generating module comprises a battery and a transistor;
the plurality of thermoelectric conversion modules are respectively disposed on the battery and/or the transistor.
Optionally, a heat insulation layer is disposed at a connection position of the thermoelectric conversion module and the heat generation module.
Optionally, the thermoelectric conversion module and the energy storage module are electrically connected to each other.
Optionally, the potential difference generated by the thermoelectric conversion module forms a first voltage after passing through the circuit amplification module, and the first voltage is greater than a second voltage in the energy storage module.
The embodiment of the utility model provides an electronic equipment is still provided, including foretell battery module.
In the embodiment of the utility model, the heating module can generate a large amount of waste heat in the charging and discharging processes, and a part of waste heat generated by the heating module can be recovered through the thermoelectric conversion module to preliminarily reduce the temperature of the heating module; under the condition that the temperature of the heating module is still higher, the energy storage module supplies power to the refrigerating piece, so that the refrigerating piece dissipates heat of the heating module, the temperature of the heating module is further reduced, and the heat dissipation efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 4 is a fourth schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 5 is a schematic control flow diagram of a battery module according to an embodiment of the present invention;
fig. 6 is a second schematic control flow diagram of a battery module according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating a connection relationship between battery modules according to an embodiment of the present invention;
fig. 8 is a second schematic view illustrating a connection relationship of the battery module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be understood that the structures so used are interchangeable under appropriate circumstances such that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and the terms "first," "second," and the like are generally used herein in a generic sense without limitation to the number of terms, e.g., the first term can be one, or more than one.
The embodiment of the utility model provides a battery module, as shown in fig. 1 to 8, including heating module 101, thermoelectric conversion module 102, energy storage module 103 and refrigeration piece 104, thermoelectric conversion module 102 sets up on heating module 101, and thermoelectric conversion module 102 is connected with the first end electricity of energy storage module 103, and the second end of energy storage module 103 is connected with refrigeration piece 104 electricity;
the cooling element 104 is disposed toward the heat generating module 101, and the cooling element 104 is configured to dissipate heat from the heat generating module 101.
In this embodiment, the heating module 101 generates a large amount of waste heat during charging and discharging, a part of the waste heat generated by the heating module 101 can be recovered by the thermoelectric conversion module 102 to primarily reduce the temperature of the heating module 101, the thermoelectric conversion module 102 converts the heat energy recovered from the heating module 101 into electric energy and outputs the electric energy to the energy storage module 103, and the energy storage module 103 stores the electric energy, thereby improving the energy utilization rate; under the condition that the temperature of the heating module 101 is still higher, the energy storage module 103 supplies power to the refrigerating piece 104, so that the refrigerating piece 104 dissipates heat of the heating module 101, the temperature of the heating module 101 is further reduced, and the heat dissipation efficiency is improved.
The battery module may include a control module 105, and the control module 105 may include a first control module 1051 and/or a second control module 1052.
In some optional embodiments, the battery module further includes a first control module 1051, and the second end of the energy storage module 103 is electrically connected to the cooling element 104 through the first control module 1051;
when the temperature of the heating module 101 is greater than or equal to the target temperature threshold, the first control module 1051 controls the energy storage module 103 to supply power to the refrigeration piece 104.
In this embodiment, a first end of the energy storage module 103 is electrically connected to the thermoelectric conversion module 102 to store electric energy converted from heat energy by the thermoelectric conversion module 102; the second end of the energy storage module 103 is electrically connected to the refrigeration piece 104 through the first control module 1051, so as to control the energy storage module 103 to supply power to the refrigeration piece 104. After a part of waste heat generated by the heating module 101 can be recovered through the thermoelectric conversion module 102, the temperature of the heating module 101 is still high, and when the temperature of the heating module 101 is greater than or equal to a target temperature threshold, the first control module 1051 controls the energy storage module 103 to supply power to the refrigeration piece 104, so that the refrigeration piece 104 starts to work and dissipates heat to the heating module 101, and energy required by the refrigeration piece 104 in working comes from the waste heat of the heating module 101, thereby reducing energy consumption and improving heat dissipation efficiency.
The battery module can further comprise a temperature detection module, and the temperature detection module is electrically connected with the first control module 1051;
the temperature detection module is configured to detect a temperature of the heat generating module 101, and transmit the detected temperature to the first control module 1051.
The temperature detection module may include a plurality of temperature sensors, the plurality of temperature sensors are disposed on the surface of the heating module 101 to obtain the real-time temperature of the heating module 101, and feed the real-time temperature of the heating module 101 back to the first control module 1051, and when the temperature of the heating module 101 is greater than or equal to the target temperature threshold, the first control module 1051 controls the energy storage module 103 to supply power to the refrigeration piece 104, so that the refrigeration piece 104 starts to work, and the heating module 101 dissipates heat. The detection efficiency of the temperature of the heating module 101 is improved, the first control module 1051 can execute the corresponding control strategy conveniently, and the heat dissipation efficiency is improved.
Specifically, as shown in fig. 5 to 6, a target temperature threshold may be set as a temperature threshold T according to the model and the usage scenario of the battery module, the temperature T1 of the heating module 101 is detected in real time by the temperature detection module, under the condition that the temperature T1 of the heating module 101 is greater than or equal to the temperature threshold T, the temperature detection module transmits the current temperature information to the first control module 1051, the first control module 1051 sends a start signal to the energy storage module 103, so that the energy storage module 103 releases electric energy to supply power to the cooling element 104, and the cooling element 104 dissipates heat to the heating module 101.
The refrigeration piece 104 can be an air compressor, gas is compressed, cooled and expanded through the refrigeration piece 104 to be liquefied, when the heating module 101 is cooled, the refrigeration piece 104 sprays out liquid air, the liquid air is rapidly gasified under normal pressure, and the residual waste heat of the heating module 101 is cooled, so that the heat dissipation efficiency is improved.
After 104 work a period of time, the temperature of the module 101 that generates heat reduces, under the condition that the temperature T1 that the temperature detection module detected the battery in real time is less than temperature threshold value T, the temperature detection module gives first control module 1051 with current temperature information transfer, first control module 1051 sends stop signal for energy storage module 103, make energy storage module 103 stop supplying power to 104 that refrigerates, the piece 104 that refrigerates finishes refrigerating, dispel the heat to the module 101 that generates heat in order to stop, in order to reduce the energy consumption. Thereby converting to the execution of the conventional flow.
The conventional process may be a process of charging and discharging the battery module, in which the thermal energy recovered from the heat generating module 101 is converted into electric energy by the thermoelectric conversion module 102 and output to the energy storage module 103, and the electric energy is stored by the energy storage module 103.
Alternatively, the first control module 1051 may include a first control chip U1, a first thermistor R1, and a first field effect transistor group Q1, wherein,
the output end of the second end of the energy storage module 103 is connected with the input end of a first thermistor R1, the output end of the first thermistor R1 is connected with the input end of a first control chip U1, the output end of the first thermistor R1 is also connected with the input end of a refrigeration piece 104, and the output end of the first control chip U1 is connected with the input end of the second end of the energy storage module 103;
a first end of the first field-effect tube group Q1 is connected with an output end of the first control chip U1, a second end of the first field-effect tube group Q1 is connected with an input end of a second end of the energy storage module 103, and a third end of the first field-effect tube group Q1 is connected with an output end of the refrigerating element 104;
the first control chip U1 is used for controlling connection and disconnection of the second end and the third end of the first field effect tube group Q1.
In this embodiment, the first control chip U1 controls the connection and disconnection of the second terminal and the third terminal of the first fet group Q1 according to the temperature of the heating module 101, and the first thermistor R1 changes according to the temperature to function as a fuse, for example, when a short circuit occurs in a circuit, the temperature changes due to the current surge, and the first thermistor R1 fuses to break the circuit, thereby avoiding the short circuit and damage to components.
When the temperature T1 of the heating module 101 is greater than or equal to the temperature threshold T, the temperature detection module transmits the current temperature information to the first control module 1051, and the first control chip U1 controls the communication between the second end and the third end of the first field-effect tube group Q1, so that the energy storage module 103 releases electric energy to supply power to the refrigerating part 104, and the refrigerating part 104 dissipates heat to the heating module 101;
under the condition that the temperature detection module detects that the temperature T1 of the heating module 101 is smaller than the temperature threshold T in real time, the temperature detection module transmits the current temperature information to the first control module 1051, and the first control chip U1 controls the disconnection between the second end and the third end of the first field effect tube group Q1 so as to stop supplying power to the refrigeration piece 104, and the refrigeration piece 104 finishes refrigeration.
In other optional embodiments, the battery module further includes a second control module 1052, the heat generating module 101 may include a battery, and the third terminal of the energy storage module 103 is electrically connected to the battery through the second control module 1052;
when the electric quantity of the battery is less than or equal to the target electric quantity, the second control module 1052 controls the energy storage module 103 to supply power to the battery.
The energy storage module 103 may be an electronic component with an electric power storage capability, such as a capacitor, a battery, or the like. The fourth end of the energy storage module 103 can be electrically connected with the heating module 101, when the battery capacity in the heating module 101 is reduced to the target capacity, the second control module 1052 can control the discharging process of the energy storage module 103, and the heating module 101 can be charged after the electric power stored in the energy storage module 103 is released, adjusted and matched, so that the cruising ability of the battery module is improved.
Optionally, the second control module 1052 may include a second control chip U2, a second thermistor R2 and a second fet group Q2, wherein,
the output end of the third end of the energy storage module 103 is connected with the input end of a second thermistor R2, the output end of the second thermistor R2 is connected with the input end of a second control chip U2, the output end of the second thermistor R2 is also connected with the input end of a battery, and the output end of the second control chip U2 is connected with the input end of the third end of the energy storage module 103;
a first end of the second field effect tube group Q2 is connected with an output end of the second control chip U2, a second end of the second field effect tube group Q2 is connected with an input end of a third end of the energy storage module 103, and the third end of the second field effect tube group Q2 is connected with an output end of the battery;
the second control chip U2 is used for controlling the connection and disconnection of the second end and the third end of the second field effect transistor group Q2.
In this embodiment, the second control chip U2 controls the connection and disconnection of the second terminal and the third terminal of the second fet group Q2 according to the electric quantity of the battery, and the second thermistor R2 changes according to the temperature, and functions as a fuse, for example, when the circuit is short-circuited, the temperature changes due to the sudden increase of the current, and the second thermistor R2 fuses, so that the circuit is disconnected, and the short-circuit damage of the components is avoided.
Under the condition that the electric quantity of the battery is less than or equal to the target electric quantity, the second control chip U2 controls the second end and the third end of the second field effect tube group Q2 to be communicated, so that the energy storage module 103 releases electric energy to supply power to the battery;
and under the condition that the electric quantity of the battery is greater than the target electric quantity, the second control chip U2 controls the second end and the third end of the second field effect tube group Q2 to be disconnected so as to stop supplying power to the battery.
Optionally, the battery module further includes a housing 106, the heat generating module 101 is disposed inside the housing 106, a first mounting hole 1061 is formed in the housing 106, a first end of the thermoelectric conversion module 102 is disposed on the heat generating module 101 through the first mounting hole 1061, and a second end of the thermoelectric conversion module 102 is exposed outside the housing 106 from the first mounting hole 1061.
In this embodiment, when the battery module normally operates, the heat generating module 101, which generates more heat, is generally located inside the casing 106, and accordingly, the external temperature of the casing 106 is relatively low. In this way, the first fitting hole 1061 is opened in the case 106, the thermoelectric conversion module 102 is fixed through the first fitting hole 1061, and the first end of the thermoelectric conversion module 102 is disposed on the heat generating module 101 through the first fitting hole 1061, and the second end of the thermoelectric conversion module 102 is exposed to the outside of the case 106 from the first fitting hole 1061 to increase the temperature difference between the first end and the second end of the thermoelectric conversion module 102, thereby improving the thermoelectric conversion efficiency of the thermoelectric conversion module 102.
Among them, the number of the first fitting holes 1061 may be plural, and a corresponding number of the thermoelectric conversion modules 102 are provided. For example, two first assembly holes 1061 may be formed in the housing 106, two opposite side surfaces of the housing 106 are respectively disposed in the two first assembly holes 1061, and one thermoelectric conversion module 102 is disposed in each first assembly hole 1061, so as to increase waste heat generated during normal operation of the heat recovery module 101, improve heat dissipation efficiency, and increase electric energy output to the energy storage module 103.
Further, the number of the thermoelectric conversion modules 102 may be plural, and the plural thermoelectric conversion modules 102 are respectively provided on the battery and/or the transistor.
The heat generating module 101 may include a battery and a Transistor, that is, a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET), and a plurality of thermoelectric conversion modules 102 may be respectively disposed on a surface of the battery and/or the Transistor, so as to increase electric energy output to the energy storage module 103 and improve energy utilization rate while improving heat dissipation efficiency.
Optionally, the cooling element 104 includes an air inlet pipe 1041 and an air outlet pipe 1042, the housing 106 is further provided with a first through hole 1062 and a second through hole 1063, the cooling element 104 is disposed outside the housing 106, and the air inlet pipe 1041 and the air outlet pipe 1042 respectively penetrate through the first through hole 1062 and the second through hole 1063 and face the heat generating module 101.
In this embodiment, the air inlet pipe 1041 and the air outlet pipe 1042 are disposed on the cooling element 104, so that the air inlet pipe 1041 and the air outlet pipe 1042 respectively pass through the first through hole 1062 and the second through hole 1063 and face the heat generating module 101, so that the cooling element 104 can dissipate heat from the heat generating module 101. The energy storage module 103 supplies power to the refrigeration piece 104, the refrigeration piece 104 starts to operate, air is sucked in through the air inlet pipe 1041, and gas is liquefied through the processes of compression, cooling, expansion and the like of the refrigeration piece 104; the liquefied air is guided by the air outlet pipe 1042, so that the air outlet of the refrigerating element 104 faces the heating module 101, the liquid air sprayed out of the air outlet pipe 1042 is rapidly gasified at normal pressure, the residual waste heat of the heating module 101 is cooled, and the heat dissipation efficiency is improved.
The air inlet pipe 1041 and the air outlet pipe 1042 may face the same direction, that is, both the air inlet pipe 1041 and the air outlet pipe 1042 may be disposed facing the heat generating module 101. The battery module is in charging, the in-process of discharging can produce a large amount of used heat, these used heat are to the radiation to the periphery from module 101 that generates heat, make the temperature of the module 101 ambient air that generates heat rise, intake pipe 1041 sets up towards module 101 that generates heat, after refrigeration piece 104 begins to operate, the hot-air around the module 101 that generates heat can be inhaled from intake pipe 1041, the hot gas is compressed through refrigeration piece 104, cool, flow such as inflation, thereby liquefy, the air after the liquefaction is spout after the air guide through outlet duct 1042, liquefied air gasifies rapidly under the ordinary pressure, cool off the remaining used heat of module 101 that generates heat, the heat dissipation efficiency has further been improved.
In some optional embodiments, the air inlet pipe 1041 and the air outlet pipe 1042 may be arranged in parallel, the air inlet pipe 1041 is arranged at one end of the housing 106, the air outlet pipe 1042 is arranged at the other end of the housing 106, so that a certain distance is left between the air inlet pipe 1041 and the air outlet pipe 1042, and the air inlet pipe 1041 and the air outlet pipe 1042 are arranged in parallel. Like this, intake pipe 1041 can be towards the first position of the module 101 that generates heat, outlet duct 1042 can be towards the second position of the module 101 that generates heat, after the refrigeration piece 104 begins to operate, the hot-air of the first position of the module 101 that generates heat can follow intake pipe 1041 and get into in the refrigeration piece 104, the hot gas is through the compression of refrigeration piece 104, cool, flow such as inflation, thereby liquify, the air after the liquefaction is spouted to the second position of the module 101 that generates heat after leading through outlet duct 1042, the liquid air gasifies rapidly under the ordinary pressure, cool off the remaining used heat of the module 101 that generates heat, and first position and second position can be two positions of a section distance apart on the module 101 that generates heat, in order to enlarge the circulation range of the air around the module 101 that generates heat, and the heat dissipation efficiency is improved.
Optionally, the air inlet pipe 1041 and the air outlet pipe 1042 are respectively matched with the first through hole 1062 and the second through hole 1063.
In this embodiment, the air inlet pipe 1041 and the air outlet pipe 1042 are respectively matched with the first through hole 1062 and the second through hole 1063, so that the refrigerating element 104 is disposed toward the heat generating module 101, and the heat dissipation effect is improved.
The battery module generates a large amount of waste heat during the charging and discharging processes, and the waste heat is concentrated inside the housing 106, so that the temperature of the air inside the housing 106 is increased, and even the battery is damaged. The air inlet pipe 1041 may be clamped with the first through hole 1062, and extend to the inside of the housing 106, so that the air inlet pipe 1041 faces the heat generating module 101; the air outlet pipe 1042 can be clamped with the second through hole 1063 and extends into the housing 106, so that the air outlet pipe 1042 faces the heat generating module 101. After the refrigeration piece 104 starts to operate, the hot air in the casing 106 can be sucked into the refrigeration piece 104 from the air inlet pipe 1041, the hot gas is compressed, cooled, expanded and the like through the refrigeration piece 104, so that the hot gas is liquefied, the liquefied air is guided through the air outlet pipe 1042 and then sprayed out, the liquid air is rapidly gasified under normal pressure, the residual waste heat of the heating module 101 is cooled, air circulation is performed in the casing 106, and the heat dissipation efficiency is improved.
Optionally, the battery module further includes a circuit amplification module 107, and the circuit amplification module 107 is electrically connected to the thermoelectric conversion module 102 and the energy storage module 103, respectively.
In this embodiment, the circuit amplifying module 107 may be an electronic component having a circuit amplifying function, for example, may be an operational amplifier, a first end of the circuit amplifying module 107 is electrically connected to the thermoelectric conversion module 102, a second end of the circuit amplifying module 107 is electrically connected to the energy storage module 103, and the thermoelectric conversion module 102 is electrically connected to the energy storage module 103 through the circuit amplifying module 107, so that an electric potential difference generated by the thermoelectric conversion module 102 is increased to be higher than a voltage value of the electric energy stored in the energy storage module 103, and the electricity storage efficiency of the energy storage module 103 is improved.
The potential difference generated by the thermoelectric conversion module 102 forms a first voltage after passing through the circuit amplification module 107, and the first voltage is greater than a second voltage in the energy storage module 103, so that the energy storage module 103 stores the battery.
After the thermoelectric conversion module 102 converts the heat energy into the electric energy, the electric energy is amplified by the circuit amplification module 107 and then stored in the energy storage module 103, the electric energy stored in the energy storage module 103 is controlled by the first control module 1051, and when the temperature of the heating module 101 is greater than or equal to the target temperature threshold, the first control module 1051 controls the energy storage module 103 to supply power to the refrigeration piece 104, so that the refrigeration piece 104 starts to work, the heating module 101 dissipates heat, the energy consumption is reduced, and the heat dissipation efficiency is improved.
Optionally, a heat insulation layer may be disposed at a joint of the thermoelectric conversion module 102 and the heating module 101, the heat insulation layer may include a graphite material and a phase-change material, the phase-change material has a characteristic of constant temperature heat absorption and release, and avoids damage to the heating module 101 caused by transient temperature change, and the graphite material has high heat conductivity and can absorb heat uniformly and better.
The embodiment of the utility model provides an electronic equipment is still provided, including foretell battery module.
It should be noted that, the implementation manner of the embodiment of the battery module is also applicable to the embodiment of the electronic device, and can achieve the same technical effect, and details are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Furthermore, it should be noted that the scope of the methods and apparatus of the embodiments of the present invention is not limited to performing functions in the order discussed, but may include performing functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (12)
1. A battery module is characterized by comprising a heating module, a thermoelectric conversion module, an energy storage module and a refrigerating piece, wherein the thermoelectric conversion module is arranged on the heating module and is electrically connected with a first end of the energy storage module, and a second end of the energy storage module is electrically connected with the refrigerating piece;
the refrigeration piece orientation the module setting that generates heat, the refrigeration piece is used for right the module that generates heat dispels the heat.
2. The battery module according to claim 1, further comprising a housing, wherein the heat-generating module is disposed inside the housing, the housing defines a first mounting hole, the first end of the thermoelectric conversion module is disposed on the heat-generating module through the first mounting hole, and the second end of the thermoelectric conversion module is exposed outside the housing through the first mounting hole.
3. The battery module according to claim 2, wherein the cooling member comprises an air inlet pipe and an air outlet pipe, the housing is further provided with a first through hole and a second through hole, the cooling member is disposed outside the housing, and the air inlet pipe and the air outlet pipe respectively penetrate through the first through hole and the second through hole and face the heat generating module.
4. The battery module as recited in claim 1, further comprising a first control module, wherein the second end of the energy storage module is electrically connected to the cooling member through the first control module;
and under the condition that the temperature of the heating module is greater than or equal to a target temperature threshold value, the first control module controls the energy storage module to supply power to the refrigerating piece.
5. The battery module according to claim 1, further comprising a second control module, wherein the heat generating module comprises a battery, and the third end of the energy storage module is electrically connected with the battery through the second control module;
and under the condition that the electric quantity of the battery is less than or equal to the target electric quantity, the second control module controls the energy storage module to supply power to the battery.
6. The battery module according to claim 4, wherein the first control module comprises a first control chip, a first thermistor, and a first field effect transistor group, wherein,
the output end of the second end of the energy storage module is connected with the input end of the first thermistor, the output end of the first thermistor is connected with the input end of the first control chip, the output end of the first thermistor is also connected with the input end of the refrigeration piece, and the output end of the first control chip is connected with the input end of the second end of the energy storage module;
the first end of the first field effect tube group is connected with the output end of the first control chip, the second end of the first field effect tube group is connected with the input end of the second end of the energy storage module, and the third end of the first field effect tube group is connected with the output end of the refrigerating piece;
the first control chip is used for controlling the connection and disconnection of the second end and the third end of the first field effect tube group.
7. The battery module according to claim 5, wherein the second control module comprises a second control chip, a second thermistor, and a second field effect transistor group, wherein,
the output end of the third end of the energy storage module is connected with the input end of the second thermistor, the output end of the second thermistor is connected with the input end of the second control chip, the output end of the second thermistor is also connected with the input end of the battery, and the output end of the second control chip is connected with the input end of the third end of the energy storage module;
the first end of the second field effect tube group is connected with the output end of the second control chip, the second end of the second field effect tube group is connected with the input end of the third end of the energy storage module, and the third end of the second field effect tube group is connected with the output end of the battery;
the second control chip is used for controlling the connection and disconnection of the second end and the third end of the second field effect tube group.
8. The battery module according to claim 1, wherein the thermoelectric conversion module is plural in number, and the heat generating module includes a battery and a transistor;
the plurality of thermoelectric conversion modules are respectively disposed on the battery and/or the transistor.
9. The battery module according to claim 1, wherein a heat insulating layer is provided at a junction of the thermoelectric conversion module and the heat generating module.
10. The battery module according to claim 1, further comprising a circuit amplification module electrically connected to the thermoelectric conversion module and the energy storage module, respectively.
11. The battery module as recited in claim 10, wherein the potential difference generated by the thermoelectric conversion module forms a first voltage after passing through the circuit amplification module, and the first voltage is greater than a second voltage in the energy storage module.
12. An electronic device characterized by comprising the battery module according to any one of claims 1 to 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221690858.1U CN217606903U (en) | 2022-06-30 | 2022-06-30 | Battery module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221690858.1U CN217606903U (en) | 2022-06-30 | 2022-06-30 | Battery module and electronic equipment |
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| CN217606903U true CN217606903U (en) | 2022-10-18 |
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| CN202221690858.1U Active CN217606903U (en) | 2022-06-30 | 2022-06-30 | Battery module and electronic equipment |
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