CN217824339U - Wide temperature lithium cell with heat preservation function - Google Patents

Wide temperature lithium cell with heat preservation function Download PDF

Info

Publication number
CN217824339U
CN217824339U CN202221385455.6U CN202221385455U CN217824339U CN 217824339 U CN217824339 U CN 217824339U CN 202221385455 U CN202221385455 U CN 202221385455U CN 217824339 U CN217824339 U CN 217824339U
Authority
CN
China
Prior art keywords
module
temperature
shell
heat preservation
preservation function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221385455.6U
Other languages
Chinese (zh)
Inventor
叶鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Bobesi New Energy Technology Co ltd
Original Assignee
Dongguan Bobesi New Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Bobesi New Energy Technology Co ltd filed Critical Dongguan Bobesi New Energy Technology Co ltd
Priority to CN202221385455.6U priority Critical patent/CN217824339U/en
Application granted granted Critical
Publication of CN217824339U publication Critical patent/CN217824339U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a wide temperature lithium cell with heat preservation function belongs to the lithium cell field, a wide temperature lithium cell with heat preservation function, including the shell, the inside of shell is provided with: the power supply module is used for storing electric energy and releasing the electric energy after being started; the heating module releases a large amount of heat energy after being started, and the temperature in the shell is increased; the wiring module is fixedly connected between the power supply module and the heating module and is used for connecting the power supply module and the heating module to complete electric energy transmission between the power supply module and the heating module; the low-temperature self-starting module is used for automatically connecting the wiring module when the temperature in the shell is lower than a set low-temperature value; the low temperature reinforcing module can realize that the temperature inside the shell is monitored and regulated by utilizing the characteristics of materials, the temperature inside the shell is controlled between a set low temperature value and a set high temperature value, the influence of external cold air on the device is reduced, the production cost is reduced, and the energy consumption is reduced.

Description

Wide temperature lithium cell with heat preservation function
Technical Field
The utility model relates to a lithium cell field, more specifically say, relate to a wide temperature lithium cell with heat preservation function.
Background
The working temperature of the conventional lithium battery is generally between-20 ℃ and 60 ℃, and once the temperature is exceeded, instability of the interior of the battery is easily caused, so that danger is generated; however, the performance of the lithium battery is generally reduced after the temperature is lower than 0 ℃, the discharge capacity is relatively reduced, the lithium battery is generally at the optimal working temperature of 0 ℃ to 40 ℃ and can ensure the optimal working performance of the lithium battery, so that the working performance of the lithium battery is rapidly reduced under extreme low-temperature environments to influence the use, and therefore, part of wide-temperature lithium batteries are provided with a self-heating function;
through patent retrieval, chinese patent with publication number CN207082875U discloses a wide-temperature lithium battery with a heat preservation function, the device can detect the internal temperature of the lithium battery at regular time, automatically heat the interior of the battery when the internal temperature of the lithium battery is lower than a certain value, and enable the lithium battery to be at a proper working temperature and to be at an optimal working performance for the lithium battery;
however, an additional temperature monitoring instrument is required to be arranged to monitor the temperature inside the lithium battery, a monitoring signal is sent to the control instrument, the control instrument judges whether the heating function is started to heat the lithium battery, the additional temperature monitoring instrument, the control instrument and other electrical equipment greatly increase the production cost of the lithium battery, energy consumption is required to be carried out all the time, and therefore the wide-temperature lithium battery with the heat preservation function is provided.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a wide temperature lithium cell with heat preservation function, it can realize, utilizes the characteristic of material to monitor and regulate and control the inside temperature of shell, with the inside temperature control of shell between setting for the low temperature value and setting for the high temperature value, the outside cold air influence that the reduction device received to reduction in production cost reduces the consumption of the energy.
2. Technical scheme
In order to solve the problem, the utility model adopts the following technical proposal.
The utility model provides a wide temperature lithium cell with heat preservation function, includes the shell, the inside of shell is provided with:
the power supply module is used for storing electric energy and releasing the electric energy after being started;
the heating module releases a large amount of heat energy after being started, and the temperature in the shell is increased;
the wiring module is fixedly connected between the power supply module and the heating module and is used for connecting the power supply module and the heating module to complete electric energy transmission between the power supply module and the heating module;
the low-temperature self-starting module is used for automatically connecting the wiring module when the temperature in the shell is lower than a set low-temperature value;
the low-temperature reinforcing module is used for reinforcing the wiring module after the wiring module is connected;
and the high-temperature power-off module is used for automatically disconnecting the wiring module when the temperature value inside the shell is higher than the set high-temperature value.
Furthermore, the wiring module comprises a first conductive strip and a second conductive strip, the first conductive strip is electrically connected to the heating module, and the second conductive strip is electrically connected to the power module.
Further, the low temperature is from opening the module and is met the electric subassembly including first bridge shape, first bridge shape is met the electric subassembly and is included the main leaf of fixed connection inside the shell, the equal fixedly connected with flight in both sides of main leaf, the one end that the main leaf was kept away from to the flight inclines to the outside, just the one end fixedly connected with horizontal piece that the flight was kept away from to the flight, one side that the main leaf was kept away from to the horizontal piece is for meeting the electric side relative with first busbar, second busbar.
Furthermore, the power connection side of the transverse sheet is fixedly connected with an elastic contact sheet.
Furthermore, the guide rail has been seted up on the horizontal piece, the inside sliding connection of guide rail has the sleeve, the assembly of elasticity contact piece is on the sleeve, the inside still fixedly connected with locating lever of shell, sleeve sliding connection is in the outside of locating lever.
Furthermore, the low-temperature reinforcing module comprises an iron block and an electromagnet, the electromagnet is fixedly connected inside the shell and located on one side, away from the cross piece, of the first conductive strip and the second conductive strip, the iron block is fixedly connected to the elastic contact piece, and the electromagnet is electrically connected with the heating module.
Furthermore, the high-temperature power-off module comprises a second bridge-shaped power connection assembly which is slidably mounted on the side wall of the shell, and a magnetic partition sheet is fixedly connected to the second bridge-shaped power connection assembly.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) This scheme is through wiring module, low temperature is from opening the module, the cooperation of low temperature reinforcement module and high temperature outage module isotructure, can be less than when setting for the low temperature value at shell internal temperature and start with heating module, and the automatic heating module that will heat when shell internal temperature is higher than and sets for the temperature value closes, thereby with the inside temperature control of shell between setting for the low temperature value and setting for the high temperature value, the influence of the external cold air that the reduction device received, and utilize the characteristic of material to monitor the inside temperature of shell, need not set up extra temperature monitoring instrument and control instrument, the production cost is reduced, reduce the consumption of the energy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
fig. 4 is the structure diagram of the high-temperature power-off module of the present invention.
The reference numbers in the figures illustrate:
1. a housing; 2. a power supply module; 3. a heating module; 4. a first conductive strip; 5. a second conductive strip; 6. a master slice; 7. oblique sheets; 8. a transverse sheet; 9. a sleeve; 10. positioning a rod; 11. an elastic contact piece; 12. an iron block; 13. an electromagnet; 14. a second bridge power connection assembly; 15. a spring; 16. a limiting sheet; 17. magnetic force partition sheet.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example (b):
referring to fig. 1-4, a wide-temperature lithium battery with a heat preservation function includes a housing 1, and a power module 2, a heating module 3, a wiring module, a low-temperature self-starting module, a low-temperature reinforcing module, and a high-temperature power-off module are disposed inside the housing 1;
the power module 2 is fixedly connected inside the housing 1 and used for storing electric energy and releasing the electric energy after being started, is a basic module of the device and is mature prior art, and is not described in detail in the technical scheme;
the heating module 3 is also fixedly connected with the inside of the shell 1, releases a large amount of heat energy after being started, and improves the temperature inside the shell 1, is also a basic module of the device, is mature prior art, and is not described in detail in the technical scheme;
the wiring module is fixedly connected between the power module 2 and the heating module 3 and used for connecting the power module 2 and the heating module 3 to complete electric energy transmission between the power module 2 and the heating module 3, the wiring module comprises a first conductive strip 4 and a second conductive strip 5, the first conductive strip 4 is electrically connected to the heating module 3, the second conductive strip 5 is electrically connected to the power module 2, and a power-off interval is arranged between the first conductive strip 4 and the second conductive strip 5;
the low-temperature self-starting module is fixedly connected inside the shell 1 and used for automatically connecting the wiring module when the temperature inside the shell 1 is lower than a set low-temperature value, so that a complete circuit is formed to start the heating module 3;
referring to fig. 2-3, the low temperature self-starting module includes a first bridging electrical connection element, which shrinks at a lower temperature to make two ends respectively abut against the first conductive strip 4 and the second conductive strip 5, thereby completing the circuit connection;
specifically, the first bridge-shaped power connection assembly comprises a main piece 6 fixedly connected inside the shell 1, oblique pieces 7 are fixedly connected to two sides of the main piece 6, one ends, far away from the main piece 6, of the oblique pieces 7 incline towards the outer side, one ends, far away from the oblique pieces 7, of the oblique pieces 7 are fixedly connected with cross pieces 8, one sides, far away from the main piece 6, of the cross pieces 8 are power connection sides opposite to the first bus bars 4 and the second bus bars 5, at the moment, when the temperature inside the shell 1 is low, the main piece 6 can deform, the two oblique pieces 7 contract towards the inner side, in the contraction process, the distance between one ends, far away from the main piece 6, of the oblique pieces 7 and the main piece 6 can be gradually increased, the cross pieces 8 are driven to move towards the direction close to the first bus bars 4 and the direction of the second bus bars 5, until the first bus bars 4, the second bus bars 5 and the cross pieces 8 are abutted to complete circuit connection.
Simultaneously, for further assurance crosspiece 8 can be inseparable when the low temperature with first conducting strip 4, second conducting strip 5 is connected, crosspiece 8 connect electric side fixed connection elasticity contact piece 11, can let crosspiece 8 be crosspiece 8 and first conducting strip 4 promptly in certain interval through the deformation of elasticity contact piece 11 self, the interval between crosspiece 8 and first conducting strip 4, second conducting strip 5 is connected, thereby hoisting device's stability.
As shown in fig. 2-3, in order to make the cross piece 8 always contact with the same position of the first conductive strip 4 and the second conductive strip 5 and avoid the cross piece from being separated from the first conductive strip 4 and the second conductive strip 5 due to too large deformation in the deformation process, a guide rail is provided on the cross piece 8, a sleeve 9 is slidably connected inside the guide rail, the elastic contact piece 11 is assembled on the sleeve 9, a positioning rod 10 is fixedly connected inside the housing 1, and the sleeve 9 is slidably connected outside the positioning rod 10 to limit the moving direction of the elastic contact piece 11.
As shown in fig. 2-3, the low-temperature reinforcement module is fixedly connected inside the housing 1, and is used for reinforcing the connection module after the connection module is connected, so as to prevent the connection module from being disconnected again due to low temperature, thereby reducing frequent start-stop operations;
the module is consolidated to low temperature is including iron plate 12 and electro-magnet 13, electro-magnet 13 fixed connection is in 1 inside and lie in one side that first busbar 4 and second busbar 5 kept away from horizontal piece 8 of shell, iron plate 12 fixed connection is on elasticity contact piece 11, electro- magnet 13 and 3 electric connection of heating module, can adsorb elasticity contact piece 11 after electro-magnet 13 circular telegram, let two elasticity contact pieces 11 all the time with first busbar 4, the contact of second busbar 5, prevent that the inside temperature of shell 1 from being higher than the automatic outage of low temperature zone time.
As shown in fig. 2-3, the high temperature power-off module is installed inside the housing 1, and is configured to automatically disconnect the wiring module and stop the heating module 3 when the temperature value inside the housing 1 is higher than the set high temperature value;
the high-temperature power-off module comprises a second bridge-shaped power-on component 14 which is slidably mounted on the side wall of the shell 1, a magnetic force isolating piece 17 is fixedly connected to the second bridge-shaped power-on component 14, and after the second bridge-shaped power-on component 14 is heated and unfolded, the magnetic force isolating piece 17 is pulled to a position between the electromagnet 13 and the iron block 12, so that the magnetic force between the electromagnet 13 and the iron block 12 is reduced, the elastic contact piece 11 is driven by the cross piece 8 to be separated from the first conductive strip 4 and the second conductive strip 5, and power-off is completed;
meanwhile, in order to enable the second bridging power connection assembly 14 to be located between the first conductive strip 4 and the second conductive strip 5 all the time, the side wall of the housing 1 and two sides of the second bridging power connection assembly 14 are both fixedly connected with limiting pieces 16, one side of each limiting piece 16 close to the second bridging power connection assembly 14 is fixedly connected with a spring 15 connected with the second bridging power connection assembly 14, the second bridging power connection assembly 14 is pushed by the elastic force of the two springs 15, the second bridging power connection assembly 14 can be located at the middle position between the first conductive strip 4 and the second conductive strip 5 all the time, and self-adjustment of the position of the second bridging power connection assembly 14 is completed;
here, the high temperature value and the high temperature value are set by selecting a phase transition temperature value of the material.
When in use: when the temperature in the shell 1 is low, the main sheet 6 deforms, so that the two oblique sheets 7 contract inwards, and in the contraction process, the distance between one end, far away from the main sheet 6, of each oblique sheet 7 and the main sheet 6 is gradually increased, so that the transverse sheet 8 is driven to move towards the direction close to the first conductive strip 4 and the second conductive strip 5 until the first conductive strip 4 and the second conductive strip 5 abut against the elastic contact sheet 11, the connection of the circuit is completed, a complete circuit is formed, the heating module 3 is started, and the temperature in the shell 1 is increased;
meanwhile, after the heating module 3 is powered on, the electromagnet 13 is started to adsorb the elastic contact pieces 11, so that the two elastic contact pieces 11 are always in contact with the first conductive strip 4 and the second conductive strip 5 until the temperature in the shell 1 is higher than a set high temperature value;
at this time, the second bridging power connection assembly 14 is heated and unfolded, and the magnetic force isolating piece 17 is pulled to a position between the electromagnet 13 and the iron block 12, so that the magnetic force between the electromagnet 13 and the iron block 12 is reduced, the elastic contact piece 11 is driven by the cross piece 8 to be separated from the first conductive strip 4 and the second conductive strip 5, and the power failure is completed;
to sum up, the utility model discloses a wiring module, low temperature is from opening the module, the cooperation of module and high temperature outage module isotructure is consolidated to low temperature, can be less than when setting for the low temperature value at 1 inside temperature of shell and start heating module 3, and automatically close heating module 3 when 1 inside temperature of shell is higher than the settlement temperature value, thereby with the temperature control of 1 inside of shell between setting for the low temperature value and setting for the high temperature value, the external cold air that the reduction device received influences, and utilize the characteristic of material to monitor the inside temperature of shell 1, need not set up extra temperature monitoring instrument and control instrument, and the production cost is reduced, and the consumption of the energy is reduced.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (7)

1. The utility model provides a wide temperature lithium cell with heat preservation function, includes shell (1), its characterized in that: the inside of shell (1) is provided with:
the power supply module (2) is used for storing electric energy and releasing the electric energy after being started;
the heating module (3) releases a large amount of heat energy after being started, and the temperature in the shell (1) is increased;
the wiring module is fixedly connected between the power supply module (2) and the heating module (3) and is used for connecting the power supply module (2) and the heating module (3) to complete electric energy transmission between the power supply module (2) and the heating module (3);
the low-temperature self-starting module is used for automatically connecting the wiring module when the temperature in the shell (1) is lower than a set low-temperature value;
the low-temperature reinforcing module is used for reinforcing the wiring module after the wiring module is connected;
and the high-temperature power-off module is used for automatically disconnecting the wiring module when the temperature value in the shell (1) is higher than a set high-temperature value.
2. The wide temperature lithium battery with heat preservation function of claim 1, characterized in that: the wiring module comprises a first conductive strip (4) and a second conductive strip (5), the first conductive strip (4) is electrically connected to the heating module (3), and the second conductive strip (5) is electrically connected to the power module (2).
3. The wide temperature lithium battery with a heat preservation function of claim 2, wherein: the low temperature connects the electric component from opening the module including first bridge shape, first bridge shape connects the electric component including main leaf (6) of fixed connection inside shell (1), the equal fixedly connected with flight (7) in both sides of main leaf (6), the one end that main leaf (6) were kept away from to flight (7) inclines to the outside, just one end fixedly connected with horizontal piece (8) of flight (7) are kept away from to flight (7), one side that main leaf (6) were kept away from in horizontal piece (8) is the side of connecting the electricity relative with first busbar (4), second busbar (5).
4. The wide temperature lithium battery with heat preservation function of claim 3, characterized in that: the electric connection side of the transverse sheet (8) is fixedly connected with an elastic contact sheet (11).
5. The wide temperature lithium battery with heat preservation function of claim 4, characterized in that: the guide rail has been seted up on horizontal piece (8), the inside sliding connection of guide rail has sleeve (9), elasticity contact piece (11) assemble on sleeve (9), shell (1) inside still fixedly connected with locating lever (10), sleeve (9) sliding connection is in the outside of locating lever (10).
6. The wide temperature lithium battery with heat preservation function of claim 4, characterized in that: the low temperature reinforcement module is including iron plate (12) and electro-magnet (13), electro-magnet (13) fixed connection just is located one side that horizontal piece (8) were kept away from in first conducting strip (4) and second conducting strip (5) inside shell (1), iron plate (12) fixed connection is on elasticity contact piece (11), electro-magnet (13) and heating module (3) electric connection.
7. The wide temperature lithium battery with heat preservation function of claim 6, characterized in that: the high-temperature power-off module comprises a second bridge-shaped power-on assembly (14) which is slidably mounted on the side wall of the shell (1), and a magnetic partition sheet (17) is fixedly connected to the second bridge-shaped power-on assembly (14).
CN202221385455.6U 2022-06-06 2022-06-06 Wide temperature lithium cell with heat preservation function Active CN217824339U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221385455.6U CN217824339U (en) 2022-06-06 2022-06-06 Wide temperature lithium cell with heat preservation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221385455.6U CN217824339U (en) 2022-06-06 2022-06-06 Wide temperature lithium cell with heat preservation function

Publications (1)

Publication Number Publication Date
CN217824339U true CN217824339U (en) 2022-11-15

Family

ID=83989163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221385455.6U Active CN217824339U (en) 2022-06-06 2022-06-06 Wide temperature lithium cell with heat preservation function

Country Status (1)

Country Link
CN (1) CN217824339U (en)

Similar Documents

Publication Publication Date Title
US6819082B2 (en) Charging device with stress stored by charging that is initiated by externally applied force, and that being eventually released by heat due to charging saturation
CN100492805C (en) Lithium ion emergency vehicle startup power supply
CN203056042U (en) Offline heating device of lithium battery module
CN108400502A (en) It is a kind of based on the low energy consumption of ZigBee technology from cutting type intelligent switch system
CN111211337A (en) Direct methanol fuel cell system
CN217824339U (en) Wide temperature lithium cell with heat preservation function
CN201191813Y (en) Current type low consumption starter
CN201112465Y (en) Lead-acid accumulator with temperature and voltage protection
CN102368573A (en) Electric heating temperature control cell module
CN105656185A (en) Switching device and switching system of uninterruptible power supply
CN202487723U (en) Electric heating temperature controlling battery module and battery pack
CN201994390U (en) Charge-discharge warming-up and capacity-increasing structure for battery
CN208385573U (en) Compound nickel-metal hydride battery group
CN209461608U (en) Battery case power battery heating system suitable for pure electric automobile
CN209472419U (en) A kind of mechanical lock mechanism for storehouse of charging
CN203326725U (en) Feed line automation terminal having timely monitoring function
CN215186055U (en) Standby power supply device for power failure monitoring
CN220139225U (en) Smoke alarm power-off system based on household energy storage
CN112290623A (en) Mobile phone charger capable of automatically cutting off power when fully charged
CN202210768U (en) Compressor starting circuit and refrigerator adopting same
CN220043009U (en) Automatic-isolation vehicle-mounted battery self-starting system
CN218039410U (en) Battery of battery information is gathered to ultra-low power consumption
CN109065977A (en) Compound nickel-metal hydride battery group
CN215646242U (en) Vehicle starting power supply device
CN219477609U (en) Charging protection device for battery sampling vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant