CN217444503U - Lithium ion battery box-packed emergency power source low temperature is from heat generation facility - Google Patents
Lithium ion battery box-packed emergency power source low temperature is from heat generation facility Download PDFInfo
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- CN217444503U CN217444503U CN202123420733.5U CN202123420733U CN217444503U CN 217444503 U CN217444503 U CN 217444503U CN 202123420733 U CN202123420733 U CN 202123420733U CN 217444503 U CN217444503 U CN 217444503U
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- resistor
- temperature
- pin
- lithium ion
- emergency power
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 35
- 230000020169 heat generation Effects 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 230000005855 radiation Effects 0.000 claims abstract description 28
- -1 graphite alkene Chemical class 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910021389 graphene Inorganic materials 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a lithium ion battery box dress emergency power source low temperature is from heating device, including low temperature infrared radiation graphite alkene electric heat membrane, lithium ion battery group, emergency power source box, temperature detect probe and self-heating device, low temperature infrared radiation graphite alkene electric heat membrane lithium ion battery group emergency power source box electric connection between temperature detect probe and the self-heating device, the last circuit control that is equipped with of self-heating device low temperature infrared radiation graphite alkene electric heat membrane, the utility model discloses protection lithium ion battery group that can be fine does not receive temperature influence two little in the use to can make emergency power source box no matter be under the power-off state of charge or the emergency state of discharge, emergency power source box's temperature can not be less than twenty degrees centigrade under the zero.
Description
Technical Field
The utility model relates to a lithium ion technical field especially relates to a lithium ion battery box-packed emergency power source low temperature is from device that generates heat.
Background
The lithium ion battery is a battery using a nonaqueous electrolyte solution and using a lithium metal or a lithium alloy as a positive electrode or a negative electrode material. The charging and discharging process of the lithium battery mainly depends on lithium ions (Li +) moving between a positive electrode and a negative electrode, when in charging, the lithium ions are extracted from the positive electrode and are inserted into the negative electrode through an electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. The lithium ion battery internal electrolyte plays a role in conducting ions between the positive electrode and the negative electrode of the lithium ion battery, the viscosity of the electrolyte is low, and the electrolyte can start a certain action for the movement of the lithium ions, and if the viscosity is high, a certain internal resistance is formed, so that the movement of the lithium ions is prevented, the lithium ion battery is preheated under a low-temperature condition, the viscosity of the electrolyte in the battery rises along with the change of the temperature, and the charge and discharge performance of the battery is reduced. Therefore, in order to enable the viscosity of electrolyte inside the battery to meet the use requirement of the emergency power supply, the battery needs to be preheated, but according to the characteristics of the lithium battery, when the temperature is below 20 ℃ below zero, the lithium battery can be possibly frozen, so that the lithium battery cannot be charged or electric energy is provided, under the extremely cold condition, the lithium battery is heated in advance, and the normal work of the lithium battery can be ensured in the actual emergency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lithium ion battery box-packed emergency power source low temperature is from device that generates heat.
In order to realize the above purpose, the utility model discloses a realize through such technical scheme, a lithium ion battery box-packed emergency power source low temperature is from heating device, including low temperature infrared radiation graphite alkene electric heat membrane, lithium ion battery group, emergency power source box, temperature detect probe and self-heating device, low temperature infrared radiation graphite alkene electric heat membrane lithium ion battery group emergency power source box electric connection between temperature detect probe and the self-heating device, the last circuit control that is equipped with of self-heating device low temperature infrared radiation graphite alkene electric heat membrane.
Furthermore, the circuit comprises a battery, a first resistor, a second resistor, a first capacitor, a voltage reference source, a third resistor, a chip, a fourth resistor, a second capacitor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first analog output, a second analog output, an MOS (metal oxide semiconductor) tube, a relay and a third capacitor.
Further, the battery is sequentially connected with the upper end of a first resistor, the upper end of a third capacitor, the upper end of an eighth resistor, the upper end of an MOS (metal oxide semiconductor) tube and the upper end of a relay, the lower end of the first resistor is respectively connected with the right end of a second resistor, the upper end of a voltage reference source and the upper end of the first capacitor, the left end of the second resistor is connected with the left end of the voltage reference source, the left end of the second resistor is also connected with the upper end of the third resistor, the lower end of the third resistor is connected with the lower end of the voltage reference source and the lower end of the first capacitor, the lower end of the third resistor is also respectively connected with a pin 1, a pin 2, a pin 3, a pin 4, a capacitor and a grounding end of a chip, the joint of the second resistor and the first capacitor is switched to 5V voltage, the right end of the second capacitor is switched to 5V voltage, a pin 8, a pin 7, a pin 6 and a pin 5 of the chip are respectively connected with the upper end of a fourth resistor, the left end of the fifth resistor, the left end of the resistor and the left end of the chip, the joint of the fourth resistor and the chip is switched to 5V voltage, the lower end of the fourth resistor is also respectively connected with the left end of the fifth resistor and the left end of the first analog output, the pin 6 of the chip is also connected with the pin 1 of the temperature detection probe, the pin 2 of the temperature detection probe is connected with a grounding terminal, the lower end of the third capacitor is respectively connected with the right end of the fifth resistor, the pin 6 of the chip, the left end of the resistor and the upper end of the seventh resistor, the right end of the sixth resistor is connected with the right end of the resistor and turns 5V voltage at the joint, the pin 5 of the chip and the left end of the resistor are also commonly connected with the upper end of the seventh resistor, the lower end of the seventh resistor is connected with the grounding terminal, the lower end of the eighth resistor is respectively connected with the upper end of the first analog output, the left end of the second analog output and the upper end of the ninth resistor, the lower end of the first analog output and the lower end of the ninth resistor are both connected with the grounding terminal, the lower end of the MOS tube and the lower end of the relay are commonly connected with the upper end of the second analog output, the lower end of the second analog output is connected with the grounding terminal, the relay is still connected alternating current live wire and temperature detect switch's pin 1, and temperature detect switch's pin 2 is connected the pin 1 of low temperature infrared radiation graphite alkene electric heat membrane, and alternating current zero line is connected to low temperature infrared radiation graphite alkene electric heat membrane's pin 2.
Further, a comparator is contained in the chip.
Furthermore, the voltage reference source, the comparator and the temperature detection probe form a temperature detection circuit.
Furthermore, the analog output II, the analog output I, the MOS tube, the relay and the temperature control switch form a heating control circuit.
Furthermore, the low-temperature infrared radiation graphene electrothermal film forms a heating circuit.
Further, the temperature control switch is a normally closed switch at forty-five degrees centigrade.
Furthermore, the low-temperature infrared radiation graphene electrothermal film is a planar electric heating element with a sheet structure and a small thickness, and is composed of a pure resistance type heating material, a metal electrode and an outer covering electric insulation material.
The beneficial effect of the scheme is that：
1. The utility model discloses can be below-20 degrees emergency power box internal energy automatic start heating device, the lithium cell temperature will be in setting for the within range work.
2. The utility model discloses when the temperature is less than twenty degrees centigrade below zero, will automatic start heating device, when emergency power supply box internal temperature reached fifty degrees centigrade, will close the device that generates heat.
3. The lithium ion battery pack can be well protected from being influenced by temperature and losing efficacy in the using process.
4. The temperature in the emergency power supply box is kept to be not lower than twenty degrees centigrade below zero no matter the emergency power supply box is in a power-off charging state or in emergency discharging.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic diagram of the circuit of the present invention;
Detailed Description
The present invention will be further clearly and completely described with reference to the accompanying drawings, but the scope of the present invention is not limited thereto.
Example 1:
as shown in fig. 1 to fig. 2, a low-temperature self-heating device for a lithium ion battery box-mounted emergency power supply comprises a low-temperature infrared radiation graphene electrothermal film J7, a lithium ion battery pack 2, an emergency power supply box 3, a temperature detection probe J6 and an automatic heating device 5, wherein the low-temperature infrared radiation graphene electrothermal film J7, the lithium ion battery pack 2, the emergency power supply box 3, the temperature detection probe J6 and the automatic heating device 5 are electrically connected, and a circuit is arranged on the automatic heating device 5 to control the low-temperature infrared radiation graphene electrothermal film J7.
The circuit comprises a battery BAT, a first resistor R94, a second resistor R51, a first capacitor C36, a voltage reference source U12, a third resistor R52, a chip LM393, a fourth resistor R91, a second capacitor C37, a fifth resistor R97, a sixth resistor R93, a seventh resistor R95, an eighth resistor R98, a ninth resistor R92, a first analog output AO3400Q18, a second analog output AO3400Q17, a MOS tube D28M7, a relay S2 and a third capacitor C38.
The battery BAT is sequentially connected with the upper end of a first resistor R94, the upper end of a third capacitor C38, the upper end of an eight resistor R98, the upper end of a MOS transistor D28M7 and the upper end of a relay S2, the lower end of a first resistor R94 is respectively connected with the right end of a second resistor R51, the upper end of a voltage reference source U12 and the upper end of a first capacitor C36, the left end of a second resistor R51 is connected with the left end of the voltage reference source U12, the left end of a second resistor R51 is also connected with the upper end of a third resistor R52, the lower end of a third resistor R52 is connected with the lower end of the voltage reference source U12 and the lower end of a first capacitor C36, the lower end of the third resistor R52 is also respectively connected with a pin 1, a pin 2, a pin 3, a pin 4, a second capacitor C37 and a ground terminal GND of a chip LM, the junction of the second resistor R51 and the first capacitor C36 is connected with the 5V voltage, the right end of a second capacitor C37, the right end of the capacitor C678, the pin 8, the pin 7 and the pin 7R 91 are respectively connected with the upper end of the fourth resistor LM 3554, The left end of a resistor five R97, the left end of a resistor six R93 and the left end of a resistor R96, the joint of a resistor four R91 and a chip LM393 is switched to 5V voltage, the lower end of the resistor four R91 is also respectively connected with the left end of a resistor five R97 and the left end of an analog output resistor AO3400Q18, a pin 6 of the chip LM393 is also connected with a pin 1 of a temperature detection probe J6, a pin 2 of the temperature detection probe J6 is connected with a ground terminal GND, the lower end of a capacitor three C38 is respectively connected with the right end of a resistor five R97, a pin 6 of the chip LM393, the left end of a resistor R96 and the upper end of a resistor seven R95, the right end of the resistor six R93 is connected with the right end of a resistor R96 and switched to 5V voltage at the connection, the pin 5 of the chip 393 and the left end of the resistor R96 are also commonly connected with the upper end of a resistor seven R95, the lower end of the resistor seven R95 is connected with the lower end of a ground terminal G34045, the lower end of the resistor eight R98 is respectively connected with the first and the upper end of the second GND 3400 and the Q3400 and the second GND 3400 output resistor 3400Q 34024, the lower extreme of the first analog output AO3400Q18 and the lower extreme of resistance nine R92 all connect earthing terminal GND, the upper end of the two AO3400Q17 of analog output is connected jointly to the lower extreme of MOS pipe D28M7 and the lower extreme of relay S2, earthing terminal GND is connected to the lower extreme of the two AO3400Q17 of analog output, relay S2 still connects AC live wire ACL and temperature detect switch J8 'S pin 1, low-temperature infrared radiation graphite alkene electric heat membrane J7' S pin 1 is connected to temperature detect switch J8 'S pin 2, AC zero line ACN is connected to low-temperature infrared radiation graphite alkene electric heat membrane J7' S pin 2.
The chip LM393 includes a comparator U11.
The voltage reference source U12, the comparator U11 and the temperature detection probe J6 form a temperature detection circuit.
The analog output two AO3400Q17, the analog output one AO3400Q18, the MOS tube D28M7, the relay S2 and the temperature-controlled switch J8 form a heating control circuit.
Wherein, low temperature infrared radiation graphite alkene electric heat membrane J7 constitutes heating circuit.
Wherein the temperature control switch J8 is a normally closed switch at forty-five degrees centigrade.
Wherein, low temperature infrared radiation graphite alkene electric heat membrane J7 is for having sheet structure and the face-like electric heating element that the thickness is thinner, and it comprises pure resistance formula heating material, metal electrode and the electric insulation material that covers outward to low temperature infrared radiation graphite alkene electric heat membrane J7 can realize the electric heat conversion, still has the film form structure in addition and the surface electric heating body that evenly generates heat, and the temperature can accurate control in twenty degrees centigrade to fifty degrees centigrade within ranges below zero, positive and negative difference in temperature one degree centigrade.
The working principle is as follows:
when the temperature detection circuit detects that the environmental temperature in the emergency power box 3 is lower than twenty ℃ below zero, the heating control circuit drives the relay S2 to suck, the low-temperature infrared radiation graphene electrothermal film J7 is electrified to start heating, when the temperature detection circuit detects that the environmental temperature is increased to about fifteen ℃, the heating control circuit disconnects the relay S2, the low-temperature infrared radiation graphene electrothermal film J7 is powered off to stop heating, and the operation is repeated in such a way; when the temperature detection circuit is invalid, the temperature control switch J8 has a protection function, and the low-temperature infrared radiation graphene electrothermal film J7 is prevented from being heated continuously (the protection temperature is about fifty degrees centigrade).
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a lithium ion battery box-packed emergency power source low temperature is from device that generates heat which characterized in that: including low temperature infrared radiation graphite alkene electric heat membrane (J7), lithium ion battery group (2), emergency power box (3), temperature detect probe (J6) and self-heating device (5), low temperature infrared radiation graphite alkene electric heat membrane (J7) lithium ion battery group (2) emergency power box (3) temperature detect probe (J6) and electric connection between self-heating device (5), be equipped with circuit control on self-heating device (5) low temperature infrared radiation graphite alkene electric heat membrane (J7).
2. The lithium ion battery box-mounted emergency power supply low-temperature self-heating device as claimed in claim 1, wherein: the circuit comprises a Battery (BAT), a first resistor (R94), a second resistor (R51), a first capacitor (C36), a voltage reference source (U12), a third resistor (R52), a chip (LM393), a fourth resistor (R91), a second capacitor (C37), a fifth resistor (R97), a sixth resistor (R93), a seventh resistor (R95), an eighth resistor (R98), a ninth resistor (R92), a first analog output (AO3400Q18), a second analog output (AO3400Q17), an MOS transistor (D28M7), a relay (S2) and a third capacitor (C38).
3. The lithium ion battery box-mounted emergency power supply low-temperature self-heating device as claimed in claim 2, wherein: the Battery (BAT) is sequentially connected with the upper end of a first resistor (R94), the upper end of a third capacitor (C38), the upper end of a resistor eight (R98), the upper end of an MOS (D28M7) and the upper end of a relay (S2), the lower end of the first resistor (R94) is respectively connected with the right end of a second resistor (R51), the upper end of a voltage reference source (U12) and the upper end of a first capacitor (C36), the left end of the second resistor (R51) is connected with the left end of the voltage reference source (U12), the left end of the second resistor (R51) is also connected with the upper end of a third resistor (R52), the lower end of the third resistor (R52) is connected with the lower end of the voltage reference source (U12) and the lower end of the first capacitor (C36), the lower end of the third resistor (R52) is also respectively connected with a pin 1, a pin 2, a pin 3, a pin 4, a second capacitor (C37) and a grounding terminal of a chip (LM) and a first resistor (R36393), and a first capacitor (C51) are connected with a first GND V365 voltage conversion point, the right end of a second capacitor (C37) is converted into 5V voltage, a pin 8, a pin 7, a pin 6 and a pin 5 of a chip (LM393) are respectively connected with the upper end of a fourth resistor (R91), the left end of a fifth resistor (R97), the left end of a sixth resistor (R93) and the left end of a resistor (R96), the joint of the fourth resistor (R91) and the chip (LM393) is converted into 5V voltage, the lower end of the fourth resistor (R91) is respectively connected with the left end of a fifth resistor (R97) and the left end of an analog output I (AO3400Q18), the pin 6 of the chip (LM393) is further connected with the pin 1 of a temperature detection probe (J6), the pin 2 of the temperature detection probe (J6) is connected with the pin (R6), the lower end of the third capacitor (C38) is respectively connected with the right end of the fifth resistor (R97), the pin 6 of the chip (LM393), the left end of the resistor (R96) and the left end of the resistor (R95), the upper end of the sixth resistor (R3985) is connected with the right end of the GND 3985, the pin 5 of the chip (LM393) and the left end of the resistor (R96) are also commonly connected with the upper end of a resistor seven (R95), the lower end of the resistor seven (R95) is connected with a ground terminal (GND), the lower ends of resistors eight (R98) are respectively connected with the upper end of an analog quantity output I (AO3400Q18), the left end of two (AO3400Q17) of analog output and the upper end of resistance nine (R92), ground terminal (GND) are all connected to the lower extreme of analog output (AO3400Q18) and the lower extreme of resistance nine (R92), the upper end of two (AO3400Q17) of analog output is connected jointly to the lower extreme of MOS pipe (D28M7) and the lower extreme of relay (S2), ground terminal (GND) are connected to the lower extreme of two (AO3400Q17) of analog output, relay (S2) still connects alternating current live wire (ACL) and the pin electric heat membrane 1 of temperature detect switch (J8), pin 2 of temperature detect switch (J8) connects pin 1 of low temperature infrared radiation graphite alkene (J7), pin 2 of low temperature infrared radiation electric heat membrane graphite alkene (J7) connects alternating current zero line (ACN).
4. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 3, wherein: a comparator (U11) is contained within chip (LM 393).
5. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 4, wherein: the voltage reference source (U12), the comparator (U11) and the temperature detection probe (J6) form a temperature detection circuit.
6. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 3, wherein: the analog output two (AO3400Q17), the analog output one (AO3400Q18), the MOS tube (D28M7), the relay (S2) and the temperature control switch (J8) form a heating control circuit.
7. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 3, wherein: the low-temperature infrared radiation graphene electrothermal film (J7) forms a heating circuit.
8. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 5, wherein: the temperature control switch (J8) is a forty-five-degree-centigrade normally-closed switch.
9. The low-temperature self-heating device for the lithium ion battery box-mounted emergency power supply as claimed in claim 7, wherein: the low-temperature infrared radiation graphene electrothermal film (J7) is a planar electric heating element with a sheet structure and a thin thickness, and is composed of a pure resistance type heating material, a metal electrode and an electric insulation material coated outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420733.5U CN217444503U (en) | 2021-12-31 | 2021-12-31 | Lithium ion battery box-packed emergency power source low temperature is from heat generation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420733.5U CN217444503U (en) | 2021-12-31 | 2021-12-31 | Lithium ion battery box-packed emergency power source low temperature is from heat generation facility |
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| Publication Number | Publication Date |
|---|---|
| CN217444503U true CN217444503U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123420733.5U Active CN217444503U (en) | 2021-12-31 | 2021-12-31 | Lithium ion battery box-packed emergency power source low temperature is from heat generation facility |
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|---|---|
| CN (1) | CN217444503U (en) |
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2021
- 2021-12-31 CN CN202123420733.5U patent/CN217444503U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
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Assignee: Shenzhen Dengfeng power supply Co.,Ltd. Assignor: DENGFENG TECHNOLOGY (JIANGXI) Co.,Ltd. Contract record no.: X2023980043322 Denomination of utility model: A low-temperature self-heating device for lithium-ion battery boxed emergency power supply Granted publication date: 20220916 License type: Common License Record date: 20231011 |