CN216488264U - Microwave heating and magnetic induction heating combined heating device and liquid heating system - Google Patents
Microwave heating and magnetic induction heating combined heating device and liquid heating system Download PDFInfo
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- CN216488264U CN216488264U CN202121062595.5U CN202121062595U CN216488264U CN 216488264 U CN216488264 U CN 216488264U CN 202121062595 U CN202121062595 U CN 202121062595U CN 216488264 U CN216488264 U CN 216488264U
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- heating
- microwave
- magnetic induction
- liquid
- magnetic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 159
- 230000006698 induction Effects 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 11
- 229910001416 lithium ion Inorganic materials 0.000 description 11
- 239000000463 material Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 composite heating device for microwave heating and magnetic induction heating and a liquid heating system. The liquid heating system comprises a composite heating device for microwave heating and magnetic induction heating, a heat exchanger and a circulating pump. The liquid inlet and the liquid outlet of the composite heating device for microwave heating and magnetic induction heating are respectively connected with the two ends of the heat exchanger through pipelines. The circulating pump is arranged on the pipeline. The composite heating device comprises a liner, a liquid inlet and a liquid outlet which are connected with the liner, a heating magnetic generating device and a heating microwave generator; the inner container is provided with a magnetic induction plate and a microwave transparent plate; the heating magnetic generating device is arranged outside the magnetic induction plate and is opposite to the magnetic induction plate; the heating microwave generator is arranged outside the microwave transparent plate and is opposite to the microwave transparent plate. The utility model has high electric-heat conversion efficiency, thus being capable of improving the temperature rise speed of the battery in a liquid-heat mode. The two heating modes can be respectively heated by two power supply modes.
Description
Technical Field
The utility model relates to a heater and a liquid thermal system, in particular to a liquid thermal system of a battery pack.
Background
The lithium ion battery has the requirement of working temperature, and particularly, the temperature cannot be too low when the lithium ion battery is charged. When the ambient temperature is too low, the lithium ion battery is charged, which easily causes the crystallization and precipitation of the electrolyte in the lithium ion battery. The precipitated devitrification can pierce the separator, causing short circuits inside the lithium ion battery, which can cause risks such as fire and explosion. Therefore, when the ambient temperature is too low, it is generally required to heat the lithium ion battery until the internal temperature of the lithium ion battery reaches the operating temperature range.
In the prior art, a PTC heating plate is usually used for heating a lithium ion battery in a battery pack or a liquid heating method is used for heating the lithium ion battery. The advantage of liquid hot mode heating lies in that liquid hot system and liquid cooling system are compound, and liquid hot system and liquid cooling system can share the heat exchange board, and need not to set up extra hot plate to practice thrift battery package battery box space. But compared with the mode that the PTC heating plate directly heats the lithium ion battery, the liquid heating mode is adopted, because the liquid medium needs to be heated firstly and then the heated liquid medium is heated by the pipeline through the heat exchange plate to heat the lithium ion battery, the liquid heating mode heats the battery, and the temperature rise speed of the battery is low. Therefore, it is necessary to improve the heating efficiency and heating speed of the liquid heating system.
Disclosure of Invention
The problems to be solved by the utility model are as follows: the efficiency and the speed of the battery pack liquid heating system for heating liquid are improved.
In order to solve the problems, the utility model adopts the following scheme:
the utility model relates to a microwave heating and magnetic induction heating composite heating device, which comprises an inner container, a liquid inlet and a liquid outlet which are connected with the inner container, a heating magnetic generating device and a heating microwave generator; the inner container is provided with a magnetic induction plate and a microwave transparent plate; the heating magnetic generating device is arranged outside the magnetic induction plate and is opposite to the magnetic induction plate; the heating microwave generator is arranged outside the microwave transparent plate and is opposite to the microwave transparent plate.
Further, the microwave heating and magnetic induction heating combined heating device also comprises an outer shell; the inner container, the heating magnetic generating device and the heating microwave generator are arranged in the outer shell; the heating magnetic generating device is arranged between the outer shell and the magnetic induction plate; the heating microwave generator is arranged between the outer shell and the microwave transparent plate.
Further, according to the composite heating device for microwave heating and magnetic induction heating, the inner container is also provided with a temperature sensor.
Further, according to the microwave heating and magnetic induction heating combined heating device of the present invention, the magnetic induction plate and the microwave transparent plate are disposed at an angle.
Further, according to the microwave heating and magnetic induction heating composite heating device, the inner container is also connected with a pressure release valve.
Further, according to the microwave heating and magnetic induction heating combined heating device, the inner container is arranged in the outer shell through the inner container support.
Further, according to the microwave heating and magnetic induction heating combined heating device, the outer shell is connected with the mounting wings; the mounting wing is provided with a mounting hole.
Further, according to the composite heating device of microwave heating and magnetic induction heating of the utility model, the outer shell is coated with the heat insulation material.
The liquid heating system comprises the composite heating device for microwave heating and magnetic induction heating, a heat exchanger and a circulating pump; the liquid inlet and the liquid outlet of the microwave heating and magnetic induction heating composite heating device are respectively connected with two ends of the heat exchanger through pipelines; the circulation pump is disposed on the pipe.
Further, according to the liquid heating system of the present invention, the liquid inlet and the liquid outlet of the microwave heating and magnetic induction heating combined heating device are respectively connected with a control valve.
The utility model has the following technical effects:
1. no matter microwave heating or electric induction heating, the electric-heat conversion efficiency is higher than that of common resistance heating, so that the temperature rising speed of liquid can be increased, and the temperature rising speed of the battery in a liquid-heat mode is increased.
2. When the battery pack is charged, the two heating modes can be respectively connected with an external power supply interface and battery power supply, and the two power supply modes are used for heating respectively.
3. The composite heating device of microwave heating and magnetic induction heating is not limited to be applied to battery heating.
Drawings
Fig. 1 is a schematic view of a lateral structure of an embodiment of the composite heating apparatus of the present invention.
FIG. 2 is a schematic longitudinal view of another embodiment of the composite heating apparatus of the present invention
Fig. 3 is a schematic structural diagram of an embodiment of a hydronic system according to the present invention.
Wherein, 1 is an outer shell, 11 is a liquid inlet, 12 is a liquid outlet, 13 is a pressure release valve, 18 is a mounting hole, 19 is a mounting wing, 2 is an inner container, 21 is a magnetic induction plate, 22 is a microwave transparent plate, 29 is an inner container support frame, 3 is a heating magnetic generating device, and 4 is a heating microwave generator;
100 is a complex heating apparatus, 200 is a heat exchanger, 300 is a circulation pump, 400 is a pipe, and 500 is a control valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Implement one
The present embodiment is a composite heating device of microwave heating and magnetic induction heating, referring to fig. 1, and includes an outer casing 1, an inner container 2, a heating magnetic generator 3, and a heating microwave generator 4. The inner container 2, the heating magnetic generator 3 and the heating microwave generator 4 are arranged in the outer shell 1 and are covered by the outer shell 1. The inner container 2 is used for containing heated liquid and is connected with a liquid inlet 11 and a liquid outlet 12. The shell of the inner container 2 is also provided with a magnetic induction plate 21 and a microwave transparent plate 22. The magnetic induction plate 21 and the microwave transparent plate 22 are disposed opposite to each other. The inner container 2 is arranged in the outer shell 1 through an inner container support 29, and the containing cavity coated by the outer shell 1 is divided into two containing cavities respectively positioned at two sides of the inner container 2. The heating magnetic generator 3 and the heating microwave generator 4 are respectively arranged in the two accommodating cavities. One of the accommodating cavities is located between the outer shell 1 and the magnetic induction plate 21, and the heating magnetic generator 3 is disposed in the accommodating cavity, so that the heating magnetic generator 3 is disposed outside the magnetic induction plate 21. The heating magnetic generating device 3 faces the magnetic induction plate 21 for generating an alternating magnetic field. The magnetic induction plate 21 is a metal plate, and is typically made of aluminum, copper, or stainless steel material. The alternating magnetic field generated by the heating magnetic generating device 3 causes the magnetic induction plate 21 to generate eddy current through electromagnetic induction, and the eddy current generates heat under the action of the internal resistance of the magnetic induction plate 21, so as to heat the liquid in the inner container 2. Another receiving cavity is located between the microwave transparent plate 22 and the outer case 1, and the heating microwave generator 4 is disposed in the receiving cavity such that the heating microwave generator 4 is disposed outside the microwave transparent plate 22. The heating microwave generator 4 faces the microwave transparent plate 22 for generating microwaves for heating. The microwave generated by the heating microwave generator 4 enters the inner container 2 through the microwave transparent plate 22, and the microwave acts on the molecules with polarity in the liquid, so that the molecules with polarity vibrate and rub to generate heat. Molecules with polarity, such as water molecules. The heating magnetic generator 3 and the heating microwave generator 4 are both mature technologies in the field, and the specific structures thereof are not described in detail in this specification.
Further, obviously, in order that the microwaves generated by the heating microwave generator 4 are not absorbed by the casings of the outer casing 1 and the inner container 2, the inner wall of the accommodating chamber for accommodating the heating microwave generator 4 is coated with a microwave reflecting material.
In addition, in the present embodiment, the inner container 2 is further provided with a temperature sensor 23 for detecting the temperature of the liquid.
In the present embodiment, a relief valve 13 is connected to the inner container 2 to prevent the liquid in the inner container 2 from being overheated.
In addition, the composite heating device of microwave heating and magnetic induction heating of this embodiment is used for the liquid thermal system of battery package to heating the battery, and for the convenience of installation, mounting wing 19 is connected to shell body 1. The mounting wings 19 are provided with mounting holes 18.
In addition, in this embodiment, the outer casing 1 has a heat insulating function, that is, the outer casing 1 is coated with a heat insulating material. The thermal insulation material is usually a foaming material.
Further, the outer case 1 is made of a material that is resistant to microwave and battery radiation, or the outer case 1 is coated with a material that is resistant to microwave and electromagnetic radiation. The materials that are microwave and battery radiation resistant are typically metallic materials such as aluminum, steel, and the like. In practical embodiments, the outer casing 1 is generally of a multi-layer structure. For example, the outer case 1 includes: an innermost liner supporting layer, a middle foam material insulating layer and an outermost shell protecting layer; the liner supporting layer and the shell protecting layer are both made of metal materials, and can play a role in resisting microwave and electromagnetic radiation besides strengthening physical strength.
In the above embodiment, the magnetic induction plate 21 and the microwave transparent plate 22 are disposed to face each other. The skilled person understands that the magnetic induction plate 21 and the microwave transparent plate 22 may also be arranged in other ways. For example, in the angled arrangement, referring to fig. 2, the microwave transparent plate 22 is disposed on the opposite side corner portion of the magnetic induction plate 21 in an oblique arrangement, and accordingly, the heating microwave generator 4 is disposed on the opposite side corner portion. The magnetic induction plate 21 and the microwave transparent plate 22 form an included angle of 45 degrees, that is, the magnetic induction plate 21 and the microwave transparent plate 22 are arranged at an angle.
In addition, in the above embodiment, the magnetic induction plate 21 and the microwave transparent plate 22 are both flat plates, and those skilled in the art will understand that the magnetic induction plate 21 and the microwave transparent plate 22 may be provided as arc-shaped plates, so that the whole composite heating apparatus has a cylindrical structure in appearance.
Example two
Referring to fig. 3, the present embodiment is a hydro-thermal system for a battery pack, including a complex heating apparatus 100, a heat exchanger 200, and a circulation pump 300. The composite heating apparatus 100 is a composite heating apparatus for microwave heating and magnetic induction heating in the first embodiment. The composite heating apparatus 100 is connected to both ends of the heat exchanger 200 through the liquid inlet 11 and the liquid outlet 12 respectively through the pipes 400. The circulation pump 300 is disposed on the pipe 400, and is configured to pump the heated liquid into the heat exchanger 200 through the circulation pump 300, and heat the battery in the battery pack through the heat exchanger 200. In addition, in order to make the composite heating apparatus 100 heat the liquid to a certain temperature and then circulate the heated liquid, the liquid inlet 11 and the liquid outlet 12 of the composite heating apparatus for microwave heating and magnetic induction heating are respectively connected with a control valve 500.
Claims (10)
1. A composite heating device of microwave heating and magnetic induction heating is characterized by comprising an inner container (2), a liquid inlet (11) and a liquid outlet (12) which are connected with the inner container (2), a heating magnetic generating device (3) and a heating microwave generator (4); the inner container (2) is provided with a magnetic induction plate (21) and a microwave transparent plate (22); the heating magnetic generating device (3) is arranged outside the magnetic induction plate (21) and is opposite to the magnetic induction plate (21); the heating microwave generator (4) is arranged outside the microwave transparent plate (22) and is opposite to the microwave transparent plate (22).
2. A combined microwave and magnetic induction heating apparatus as claimed in claim 1, characterized by further comprising an outer housing (1); the inner container (2), the heating magnetic generating device (3) and the heating microwave generator (4) are arranged in the outer shell (1); the heating magnetic generating device (3) is arranged between the outer shell (1) and the magnetic induction plate (21); the heating microwave generator (4) is arranged between the outer shell (1) and the microwave transparent plate (22).
3. A combined microwave and magnetic induction heating apparatus as claimed in claim 1, characterized in that the inner container (2) is further provided with a temperature sensor (23).
4. A combined microwave and magnetic induction heating apparatus as claimed in claim 1, characterized in that the magnetic induction plate (21) and the microwave transparent plate (22) are disposed in opposition.
5. A combined microwave and magnetic induction heating apparatus as claimed in claim 1, characterised in that the inner vessel (2) is further connected with a pressure relief valve (13).
6. The microwave and magnetic induction heating combined heating device as claimed in claim 2, characterized in that the inner container (2) is arranged in the outer casing (1) through an inner container support (29).
7. A combined microwave and magnetic induction heating apparatus as claimed in claim 2, characterized in that mounting wings (19) are attached to the outer shell (1); the mounting wing (19) is provided with a mounting hole (18).
8. A combined microwave and magnetic induction heating apparatus as claimed in claim 2, characterised in that the outer casing (1) is coated with a thermal insulating material.
9. A liquid thermal system comprising a combined microwave and magnetic induction heating apparatus as claimed in any one of claims 1 to 8, a heat exchanger (200) and a circulation pump (300); the liquid inlet (11) and the liquid outlet (12) of the microwave heating and magnetic induction heating composite heating device are respectively connected with two ends of the heat exchanger (200) through pipelines; the circulation pump (300) is disposed on the pipe.
10. A liquid thermal system according to claim 9, wherein the liquid inlet (11) and the liquid outlet (12) of the microwave heating and magnetic induction heating combined heating device are respectively connected with a control valve (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121062595.5U CN216488264U (en) | 2021-05-18 | 2021-05-18 | Microwave heating and magnetic induction heating combined heating device and liquid heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121062595.5U CN216488264U (en) | 2021-05-18 | 2021-05-18 | Microwave heating and magnetic induction heating combined heating device and liquid heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216488264U true CN216488264U (en) | 2022-05-10 |
Family
ID=81394711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121062595.5U Active CN216488264U (en) | 2021-05-18 | 2021-05-18 | Microwave heating and magnetic induction heating combined heating device and liquid heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216488264U (en) |
-
2021
- 2021-05-18 CN CN202121062595.5U patent/CN216488264U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |