CN208738397U - A kind of spontaneous thermal cell - Google Patents
A kind of spontaneous thermal cell Download PDFInfo
- Publication number
- CN208738397U CN208738397U CN201821116224.9U CN201821116224U CN208738397U CN 208738397 U CN208738397 U CN 208738397U CN 201821116224 U CN201821116224 U CN 201821116224U CN 208738397 U CN208738397 U CN 208738397U
- Authority
- CN
- China
- Prior art keywords
- battery core
- detection unit
- processing unit
- heat
- generating units
- 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
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of spontaneous thermal cells, and frame and circuit board including battery core, package battery core, battery core includes positive and negative electrode, and the positive and negative electrode of battery core and the junction of frame is arranged in circuit board.It include detection unit, processing unit and heat-generating units on circuit board；Detection unit is used to detect the surface temperature of battery core；The output end of detection unit and the input terminal of processing unit connect；The output end of processing unit is connect with heat-generating units.The surface temperature of battery core is detected by detection unit, processing unit is according to the switch of the surface temperature control switching transistor of battery core, to control heating wire and/or the switch of heating resistor carrys out regulating cell environment temperature, solve the problems, such as that lithium battery can not discharge or be large current discharge out of power quickly under cryogenic conditions in the prior art, and structure is simple, at low cost, has good economic and social benefit.
Description
Technical field
The utility model relates to battery technology field, in particular to a kind of spontaneous thermal cell.
Background technique
Currently, the discharge temp of lithium battery is usually -20 to 60 degrees Celsius.When spending lower than -20, many batteries can not put
Electricity, the reason is that the battery core internal resistance under low temperature is bigger, band carries moment battery core voltage and is pulled to low-voltage variation soon, leads to battery core
Many electricity do not put not come out.Or heavy-current discharge battery will soon be out of power.So under cryogenic, the property of lithium battery
It can substantially reduce.And battery is used under cryogenic conditions, very big to the aging effects of battery, life time decay quickly, very may be used by battery
It can meeting flatulence bulge.Therefore, the discharge performance for how improving lithium battery under cryogenic conditions, becomes that battery industry is urgently to be resolved to ask
Topic.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to provide a kind of simple and at low cost spontaneous thermal cell of structure with a novel purpose.
The technical scheme adopted by the utility model is a kind of spontaneous thermal cell, the frame including battery core and package battery core,
The battery core includes positive and negative electrode, and one end equipped with positive and negative electrode of the battery core is equipped with circuit board, is set on the circuit board
It is equipped with detection unit, processing unit and heat-generating units；The input terminal of the output end of the detection unit and the processing unit connects
It connects, the detection unit is used to detect the surface temperature of battery core；The output end of the processing unit is defeated with the heat-generating units
Enter end connection.
Preferably, the detection unit includes temperature sensor, the input of the temperature sensor and the processing unit
End connection.
Preferably, the processing unit includes microprocessor and memory, and the microprocessor is connected with the memory,
The input terminal of the microprocessor is connect with the output end of the detection unit, the output end of the microprocessor and the fever
The input terminal of unit connects.
Preferably, the heat-generating units include a heating wire and/or heating resistor.
Preferably, the heat-generating units further include switching transistor, and the switching transistor is for controlling the heating wire
With the switch state of/heating resistor.
Preferably, the switching transistor is NMOS tube, the output end of the grid of the NMOS tube and the microprocessor
Connection, drain electrode are connected to power supply by heating wire and/or heating resistor, source electrode ground connection.
The beneficial effects of the utility model are: a kind of spontaneous thermal cell, the surface temperature of battery core is detected by detection unit,
Processing unit is according to the surface temperature control heating wire of battery core and/or the switch of heating resistor come regulating cell environment temperature, solution
Lithium battery under cryogenic conditions in the prior art of having determined can not discharge or be large current discharge problem out of power quickly, and structure it is simple,
It is at low cost, there is good economic and social benefit.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of a specific embodiment of spontaneous thermal cell in the utility model.
Fig. 2 is a kind of circuit diagram of the another specific embodiment of spontaneous thermal cell in the utility model.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, be a kind of structural schematic diagram of a specific embodiment of spontaneous thermal cell in the utility model, including
Battery core 1, the frame 2 and circuit board 3 for wrapping up battery core.Battery core 1 includes positive and negative electrode, one end equipped with positive and negative electrode of battery core 1
Equipped with circuit board 3.NTC temperature sensor 4 and heating resistor 5 are provided on circuit board 3.
As shown in Fig. 2, be a kind of circuit diagram of the another specific embodiment of spontaneous thermal cell in the utility model, electricity
Detection unit, processing unit and heat-generating units are provided on road plate 3.The output end of detection unit and the input terminal of processing unit connect
It connects, detection unit is used to detect the surface temperature of battery core；The output end of processing unit and the input terminal of heat-generating units connect.And
Since detection unit and heat-generating units are close to one end that battery core 1 is equipped with positive and negative electrode, it is easier to detect the real-time of battery core 1
The temperature of battery core 1 is adjusted in temperature.
Wherein, detection unit includes the input of NTC temperature sensor 4 and resistance R88, NTC temperature sensor 4 and processor
End connection.Processing unit includes microprocessor and memory, and microprocessor is connected with memory；The input terminal of microprocessor and inspection
The output end connection of unit is surveyed, the output end of microprocessor and the input terminal of heat-generating units connect；Microprocessor can also be selected
Single-chip microcontroller, FPGA or embeded processor.Heat-generating units include a NMOS switch, heating resistor R86 and resistance R87, NMOS tube
Grid the output end of processor is connected to by resistance R87, drain electrode is connected to positive pole, source electrode by heating resistor R86
It is connected to power cathode.
NTC temperature sensor 4 is contacted with the surface of battery core 1, for detecting the temperature on 1 surface of battery core, and by temperature information
It is sent to processing unit.Microprocessor in processing unit analyzes temperature information, and with the temperature that is stored in memory
Threshold value comparison.If the temperature on 1 surface of battery core is lower than temperature threshold, microprocessor controls NMOS switch and opens, and connects heating electric
R86 is hindered, the environment temperature of battery ambient is improved with this, improves discharge performance.When temperature rise to it is equal with temperature threshold, then
Microprocessor controls NMOS switch and closes, and avoids environment temperature from rising always and burns battery.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of spontaneous thermal cell, the frame including battery core and package battery core, the battery core includes positive and negative electrode, and feature exists
In one end equipped with positive and negative electrode of the battery core is equipped with circuit board, and detection unit, processing list are provided on the circuit board
Member and heat-generating units；The output end of the detection unit is connect with the input terminal of the processing unit, and the detection unit is used for
Detect the surface temperature of battery core；The output end of the processing unit is connect with the input terminal of the heat-generating units.
2. a kind of spontaneous thermal cell according to claim 1, which is characterized in that the detection unit includes temperature sensing
Device, the temperature sensor are connect with the input terminal of the processing unit.
3. a kind of spontaneous thermal cell according to claim 1, which is characterized in that the processing unit include microprocessor and
Memory, the microprocessor are connected with the memory, the output of the input terminal of the microprocessor and the detection unit
End connection, the output end of the microprocessor are connect with the input terminal of the heat-generating units.
4. a kind of spontaneous thermal cell according to claim 3, which is characterized in that the heat-generating units include a heating wire
And/or heating resistor.
5. a kind of spontaneous thermal cell according to claim 4, which is characterized in that the heat-generating units further include switch crystal
Pipe, the switching transistor are used to control the switch state of the heating wire and/heating resistor.
6. a kind of spontaneous thermal cell according to claim 5, which is characterized in that the switching transistor is NMOS tube, institute
The grid for stating NMOS tube is connect with the output end of the microprocessor, and drain electrode is connected by heating wire and/or heating resistor and power supply
It connects, source electrode ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116224.9U CN208738397U (en) | 2018-07-13 | 2018-07-13 | A kind of spontaneous thermal cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116224.9U CN208738397U (en) | 2018-07-13 | 2018-07-13 | A kind of spontaneous thermal cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738397U true CN208738397U (en) | 2019-04-12 |
Family
ID=66027183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821116224.9U Active CN208738397U (en) | 2018-07-13 | 2018-07-13 | A kind of spontaneous thermal cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738397U (en) |
-
2018
- 2018-07-13 CN CN201821116224.9U patent/CN208738397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201576933U (en) | Circuit capable of restraining instant surge current produced during startup | |
| CN208738397U (en) | A kind of spontaneous thermal cell | |
| CN204167880U (en) | Battery pack overheat protector power supply circuits | |
| CN104754800B (en) | A kind of control device of LED modules inrush current | |
| CN205231727U (en) | Switching power supply output connects battery to join conversely protection automatic control circuit | |
| CN104459545A (en) | Control circuit and battery short circuit testing device including control circuit | |
| CN206259424U (en) | A kind of battery warmer | |
| CN205544510U (en) | Novel battery charging circuit | |
| CN202050536U (en) | Loudspeaker and electronic device | |
| CN203746962U (en) | Thermal protection polar body of power battery | |
| CN204732349U (en) | For the control circuit of relay and relay-set and electromagnetic cooking appliance | |
| CN208782477U (en) | Anti- bonding circuit and intelligent socket when a kind of relay control capacitive load | |
| CN203104810U (en) | Heating device for preventing dry heating | |
| CN207835041U (en) | Electric machine controller active discharge loop protection circuit | |
| CN105680253A (en) | Universal-type electric cooker long-time delay power socket | |
| CN205911947U (en) | Power supply ware starts constant current circuit | |
| CN206479859U (en) | A kind of incubator box for domestic fowl temperature control circuit with lightning protection function | |
| CN206412749U (en) | The control circuit of the earth leakage protective device of the double protections of ground wire | |
| CN206559225U (en) | Lossless power-on surge suppression circuit | |
| CN208112504U (en) | A kind of buffer starting device | |
| CN205566253U (en) | Intelligence temperature detect switch | |
| CN203225525U (en) | A composite switch used for reactive compensation containing a protection function | |
| CN104454614B (en) | A kind of fan intelligent being applicable to vehicle cooling system controls the control device of device | |
| CN204068778U (en) | A kind of motor starter | |
| CN203775474U (en) | Lamp control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |