CN116404297A - Phase-change heat dissipation protection device for cylindrical lithium ion power battery module - Google Patents

Phase-change heat dissipation protection device for cylindrical lithium ion power battery module Download PDF

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Publication number
CN116404297A
CN116404297A CN202310322698.8A CN202310322698A CN116404297A CN 116404297 A CN116404297 A CN 116404297A CN 202310322698 A CN202310322698 A CN 202310322698A CN 116404297 A CN116404297 A CN 116404297A
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China
Prior art keywords
fixedly connected
inner chamber
heat dissipation
shell
battery
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Pending
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CN202310322698.8A
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Chinese (zh)
Inventor
朱金玲
黄杨梓
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Aerospace Lithium Technology Jiangsu Co ltd
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Aerospace Lithium Technology Jiangsu Co ltd
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Priority to CN202310322698.8A priority Critical patent/CN116404297A/en
Publication of CN116404297A publication Critical patent/CN116404297A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

The invention belongs to the technical field of battery heat dissipation, in particular to a phase-change heat dissipation protection device for a cylindrical lithium ion power battery module, which comprises a battery heat dissipation frame, wherein a hollow casing is uniformly arranged in the middle of an inner cavity of the battery heat dissipation frame through a slot, cylindrical batteries are fixedly connected to two sides of the inner cavity of the hollow casing, and a connecting through pipe is fixedly connected to two sides of the middle of the inner cavity of the hollow casing. The device installs every cylindrical cell in the socket of hollow sleeve shell, then infuses the coolant liquid, makes the inside of every hollow sleeve shell be carried through linking the siphunculus to the coolant liquid, and then makes cylindrical cell under the circumstances of contactless liquid, absorbs the heat that cylindrical cell during operation was diffused through the coolant liquid furthest to make the coolant liquid of battery heat dissipation frame inner chamber circulate through the screw thread bull stick of both sides, avoid appearing the inside coolant liquid of battery heat dissipation frame after the heat absorption in succession, self temperature rise, and then to the problem that the radiating effect of electric core descends.

Description

Phase-change heat dissipation protection device for cylindrical lithium ion power battery module
Technical Field
The invention belongs to the technical field of battery heat dissipation, and particularly relates to a phase-change heat dissipation protection device for a cylindrical lithium ion power battery module.
Background
The power battery module is used as a core energy component of the electric automobile, and the performance of the power battery module directly influences the performance of the electric automobile. The uniformity of the working temperature of the battery module plays an extremely important role on the power battery, when the battery cell is charged and discharged, the battery cell emits a certain amount of heat, so that the temperature of the battery cell body and the temperature of the surrounding environment are increased, if the battery cell body and the surrounding environment are not treated, the honeycomb effect is caused, the central temperature of the battery module is higher than the surrounding temperature, the battery cell is unevenly distributed due to the influence of uneven temperature, the consistency of the battery pack is poor, and the service life of the battery pack is influenced.
When the air flow heat dissipation tool is used for cooling the internal battery cell, the battery cell cannot be in a sealed state, so that the anti-interference capability of the battery cell is weakened, dislocation and even disconnection are easy to occur due to vibration of an automobile, but the cooling device is used for cooling the battery cell, the cooling effect of cooling liquid is poor, and the cooling effect is gradually deteriorated, so that improvement is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the technical problems by adopting the following technical scheme: the utility model provides a cylinder type lithium ion power battery module phase transition heat dissipation protection device, includes the battery cooling frame, the middle part of battery cooling frame inner chamber evenly is provided with hollow cover shell through the slot, the both sides of hollow cover shell inner chamber all fixedly connected with cylinder battery, the both sides at hollow cover shell inner chamber middle part all fixedly connected with link up the slide, the both ends central symmetry of battery cooling frame inner chamber is provided with the screw thread bull stick, the one end fixedly connected with rotation motor of screw thread bull stick, the one end fixedly connected with switching siphunculus that the battery cooling frame inner chamber kept away from rotation motor, including cooling part, this cooling part can cool off the cylinder battery of battery cooling frame inner chamber, and cooling part includes vertical case, the top fixedly connected with infusion set on vertical case surface, the inner chamber of vertical case is filled with the coolant liquid, the bottom fixedly connected with centralized base of vertical case inner chamber, the bottom sliding connection has the adjustment slide, the right-hand member of switching siphunculus is connected with the top of battery cooling frame inner chamber, the right-hand member of switching is connected with the bottom of battery cooling frame inner chamber fixedly; a buffer liquid absorber capable of absorbing the redundant coolant inside the vertical tank; and the top rotating plate can control the on-off of the infusion port of the vertical box shell. Firstly, installing cylindrical batteries in a battery cooling frame, taking out hollow casings, inserting two cylindrical batteries into each hollow casing, then inserting the hollow casings into the inner cavity of the battery cooling frame, after assembling each battery cooling frame, splicing and installing threaded rotating rods on two sides of the inner cavity of the battery cooling frame, enabling the threaded rotating rods on two sides to be kept centrosymmetric, splicing and installing a rotating motor at the axle center of the threaded rotating rods, splicing and installing a transfer through pipe on the other side, leading the left transfer through pipe to the upper part of the inner cavity of a right vertical box shell, leading the right transfer through pipe to the lower part of the inner cavity of the right vertical box shell, and fixing the rotating motor on a concentrated base to finish installation work.
Preferably, one side fixedly connected with filling case shell of cylinder battery is kept away from at the middle part of vertical case shell inner chamber, one side sliding connection that filling case shell inner chamber is close to cylinder battery has the spring depression bar, the top fixedly connected with fixed bull stick of filling case shell, and one side that fixed bull stick surface is close to cylinder battery rotates and be connected with transversal revolving plate, one side fixedly connected with traction belt that transversal revolving plate inner chamber is close to cylinder battery, the bottom fixedly connected with cooling push pedal of filling case shell inner chamber. When the electric power transmission work is carried out, because of the bundling effect of the connecting wires, the cylindrical batteries inside each battery radiating frame are concentrated to the concentrated wires through the connecting wires for transmission, and when the cylindrical batteries work, in order to enable the battery cores of the cylindrical batteries to radiate heat, cooling liquid is introduced into the inner cavity of the vertical box shell through the infusion device and then is conveyed into the inner cavity of the battery radiating frame through the transfer through pipe, and the cooling liquid is filled into the inner cavity of each hollow shell through the transfer through pipe, so that the cooling liquid radiates heat on the surface of the cylindrical batteries under the condition that the cooling liquid does not contact the cylindrical batteries. Because the coolant liquid is after the continuous heat absorption, self temperature also can rise, and then to the radiating effect of electric core decline, need start the rotation motor of both sides this moment, control corresponds the screw thread bull stick of one side and carry out the rotation, the left screw thread bull stick is through the inner chamber extraction coolant liquid of switching siphunculus from vertical case shell this moment, and the right screw thread bull stick is through the inside of switching siphunculus with the coolant liquid suction vertical case shell of battery heat dissipation frame inner chamber to make the coolant liquid of battery heat dissipation frame inner chamber circulate. The device is through concentrating the spring button of base inner chamber and wholly carrying out shock attenuation work to the device, because the device only supplies power through battery cooling frame to every battery cooling frame can assemble and concentrate the surface to concentrating the base, separates certain interval between the battery cooling frame, so can expand the storage capacity of this device according to actual demand, thereby satisfies the power supply demand of different devices.
Preferably, one end of the spring compression bar, which is close to the cylindrical battery, is in sliding connection with the surface of the traction belt, the bottom end of the traction belt is in sliding connection with the bottom of the inner cavity of the filling box shell, the surface of the spring compression bar is in sliding connection with the inner cavity of the filling box shell through a through hole, one end of the spring compression bar, which is far away from the cylindrical battery, is in sliding connection with the top of the inner cavity of the cooling push plate through a vertical traction rod, and the top of the inner cavity of the traction belt is fixedly connected with a heat conducting gasket through the through hole. Because the coolant liquid flows from bottom to top in vertical case inside, so the coolant liquid of below can promote transversal commentaries on classics board and upwards rotate along the pivot to open the opening on vertical case upper portion, and transversal commentaries on classics board pivoted in-process upwards, transversal traction belt of below can be pulled on the top of changeing the board, will pull the bottom of taking from filling the case inner chamber on the one hand and take out, on the other hand can extrude the spring depression bar, make the spring depression bar slide to the inner chamber of filling the case, and then impel the cooling push pedal of below, the heat conduction gasket of traction belt inner chamber bottom also docks with the top of spring depression bar this moment, the cooling push pedal cools down the coolant liquid of flowing through the traction belt. When the device is in the inner loop flow of coolant liquid, if the device is in the space of relative seal, the whole radiating effect of the inside coolant liquid of device will become poor this moment, in order to deal with such environment, when the coolant liquid carries out inner loop work, utilize the thrust of coolant liquid, open the cooling push pedal, absorb heat the cooling to the heat conduction gasket through the spring depression bar, make the coolant liquid who flows through here fast cooling under the circumstances of consuming the electric energy, in order to satisfy the device work demand under high temperature environment.
Preferably, the surface of screw thread bull stick is rotated with one side of hollow cover shell inner chamber and is connected, concentrate the axle center department fixedly connected with spring button of base inner chamber, one side on battery heat dissipation frame surface is through connecting plate and the middle part fixed connection on packing case shell surface, the both ends of cylinder battery are all through connecting wire and the inner chamber fixed connection of battery heat dissipation frame, the one end fixedly connected with concentrated wire that vertical case shell was kept away from to battery heat dissipation frame inner chamber. The device installs every cylindrical cell in the socket of hollow sleeve shell, then infuses the coolant liquid, makes the inside of every hollow sleeve shell be carried through linking the siphunculus to the coolant liquid, and then makes cylindrical cell under the circumstances of contactless liquid, absorbs the heat that cylindrical cell during operation was diffused through the coolant liquid furthest to make the coolant liquid of battery heat dissipation frame inner chamber circulate through the screw thread bull stick of both sides, avoid appearing the inside coolant liquid of battery heat dissipation frame after the heat absorption in succession, self temperature rise, and then to the problem that the radiating effect of electric core descends.
Preferably, the buffering liquid absorber comprises a hollow folding rod, one end of the hollow folding rod, which is far away from the infusion device, is fixedly connected with a grooving sleeve, the bottom of the surface of the hollow folding rod is fixedly connected with a sealing sleeve, two sides of the inner cavity of the sealing sleeve are respectively and slidably connected with an arc-shaped pressing rod, one end of the arc-shaped pressing rod, which is far away from the grooving sleeve, is fixedly connected with a sliding push plate, and one side of the surface of the sliding push plate, which is far away from the sealing sleeve, is fixedly connected with a grooving through pipe. The hollow folding rod is kept away from the one end fixedly connected with atress pushing disc of grooving telescopic, and the hollow folding rod is kept away from the outside that grooving telescopic one end extends to the buffering liquid absorber, the one end that sealed cover shell was kept away from to the grooving siphunculus is through cutting notch and buffering liquid absorber's inner chamber sliding connection. When the pressure of the inner cavity of the vertical box shell is increased, the hollow folding rod can be compressed under the thrust action of the stressed pushing disc, then the gas in the inner cavity of the hollow folding rod is compressed into the inner cavity of the sealing sleeve shell through the grooving sleeve, the gas pressure in the inner cavity of the sealing sleeve shell is increased, then the arc-shaped pressing rods on two sides are pushed outwards, at the moment, the grooving through pipe slides out of the inner cavity of the buffering liquid absorber, and the grooving through pipe absorbs the cooling liquid in the inner cavity of the vertical box shell into the buffering liquid absorber through the grooving on two sides, so that the pressure reduction operation on the inner cavity of the vertical box shell is realized.
Preferably, the surface of buffering liquid absorber and the bottom fixed connection of vertical case shell inner chamber, the both sides of buffering liquid absorber inner chamber all are filled with the coolant liquid, one side of sealed shell surface and the middle part fixed connection of buffering liquid absorber inner chamber, and the atress pushes away the bottom sliding connection of dish surface and traction belt surface. Because the evaporation effect, the coolant liquid of infusion to battery heat dissipation frame inner chamber can reduce along with the time, so need infusion set constantly to input coolant liquid, but when the coolant liquid of infusion set input is more, cause coolant liquid blowout's problem easily, need the buffering liquid absorber of vertical case inner chamber to absorb unnecessary coolant liquid this moment, the coolant liquid is absorbed by the slot siphunculus that stretches out and gets into the inside of buffering liquid absorber this moment, and then realize the depressurization work to vertical case inner chamber, avoid vertical case inner chamber because the too big problem that appears spraying water of pressure.
Preferably, the top rotating plate comprises a friction rotating wheel, both sides of an inner cavity of the friction rotating wheel are rotationally connected with a sliding sleeve shell through a switching inserted bar, an inner pushing plate is fixedly connected with an axle center of the inner cavity of the sliding sleeve shell, a fixed plate shell is slidingly connected with the bottom of the inner cavity of the sliding sleeve shell, one end of the inner pushing plate, which is far away from the friction rotating wheel, is fixedly connected with an internal spring belt, and one side, which is far away from the internal spring belt, of the inner cavity of the fixed plate shell is slidingly connected with an inflatable cushion. One end of the fixed plate shell, which is far away from the sliding sleeve shell, is fixedly connected with one side, which is far away from the filling box shell, of the top of the inner cavity of the vertical box shell, pressure sensors are fixedly connected with two sides of the inner cavity of the inflatable cushion, and one end, which is far away from the inner push plate, of the built-in spring belt is fixedly connected with the middle part of the inner cavity of the fixed plate shell. The one end rolling connection that transversal board kept away from fixed bull stick has the butt joint bull stick, transversal one end of rotating board is through butt joint bull stick and friction runner's surface rolling connection, friction runner's surface is through butt joint bull stick and transversal one end mutual extrusion of rotating board. When transversal the commentaries on classics board rotates, transversal top of commentaries on classics board can take place the friction with the surface of friction runner, on the one hand makes friction runner rotation, on the other hand will slide the cover shell through friction runner and promote to the one side that is close to the fixed plate shell, and interior push pedal extrudees the built-in spring area this moment, and the inflatable packer because the increase of fixed plate shell inner chamber pressure, and then compressed, extrudees both sides pressure sensor through, the inner chamber of vertical case shell will draw the area rolling to make transversal the commentaries on classics board seal the opening of battery heat dissipation frame.
Preferably, the infusion set includes the circulation board, the equal fixedly connected with infusion pipe of both sides of circulation board inner chamber, the top of infusion pipe inner chamber evenly is provided with solid guide arm, the bottom sliding connection of solid guide arm surface has a spring hourglass section of thick bamboo, the top fixedly connected with adjustment bracing piece of solid guide arm inner chamber, the bottom fixedly connected with shock attenuation concave shell of adjustment bracing piece, the both sides on shock attenuation concave shell surface all with the bottom sliding connection on vertical case shell surface, the bottom sliding connection of through-hole and circulation board inner chamber is leaked on the surface of a spring, the bottom of a spring hourglass section of thick bamboo extends to the inside of vertical case shell. The cooling liquid is added to the inner cavity of the circulation plate through the infusion pipes on two sides, the pressure of the inner cavity of the circulation plate is increased at the moment, the spring leakage cylinder is pushed downwards, the bottom end of the spring leakage cylinder extends to the inside of the vertical box shell at the moment, then the spring leakage cylinder is separated from the solid guide rod, the cooling liquid in the inner cavity of the circulation plate enters the inside of the vertical box shell to realize the infusion work, the spring leakage cylinder starts to be recovered to the surface of the solid guide rod due to the traction force action of the bottom pressure and the outer surface spring in the process of stopping infusion or cooling liquid internal circulation, and the bottom of the spring leakage cylinder is blocked through the bottom end of the solid guide rod, so that the cooling liquid is prevented from leaking during internal circulation.
The beneficial effects of the invention are as follows:
1. the device installs every cylindrical cell in the socket of hollow sleeve shell, then infuses the coolant liquid, makes the inside of every hollow sleeve shell be carried through linking the siphunculus to the coolant liquid, and then makes cylindrical cell under the circumstances of contactless liquid, absorbs the heat that cylindrical cell during operation was diffused through the coolant liquid furthest to make the coolant liquid of battery heat dissipation frame inner chamber circulate through the screw thread bull stick of both sides, avoid appearing the inside coolant liquid of battery heat dissipation frame after the heat absorption in succession, self temperature rise, and then to the problem that the radiating effect of electric core descends.
2. The device is through concentrating the spring button of base inner chamber and wholly carrying out shock attenuation work to the device, because the device only supplies power through battery cooling frame to every battery cooling frame can assemble and concentrate the surface to concentrating the base, separates certain interval between the battery cooling frame, so can expand the storage capacity of this device according to actual demand, thereby satisfies the power supply demand of different devices.
3. When the device is in the inner loop flow of coolant liquid, if the device is in the space of relative seal, the whole radiating effect of the inside coolant liquid of device will become poor this moment, in order to deal with such environment, when the coolant liquid carries out inner loop work, utilize the thrust of coolant liquid, open the cooling push pedal, absorb heat the cooling to the heat conduction gasket through the spring depression bar, make the coolant liquid who flows through here fast cooling under the circumstances of consuming the electric energy, in order to satisfy the device work demand under high temperature environment.
4. Because the evaporation effect, the coolant liquid of infusion to battery heat dissipation frame inner chamber can reduce along with the time, so need infusion set constantly to input coolant liquid, but when the coolant liquid of infusion set input is more, cause coolant liquid blowout's problem easily, need the buffering liquid absorber of vertical case inner chamber to absorb unnecessary coolant liquid this moment, the coolant liquid is absorbed by the slot siphunculus that stretches out and gets into the inside of buffering liquid absorber this moment, and then realize the depressurization work to vertical case inner chamber, avoid vertical case inner chamber because the too big problem that appears spraying water of pressure.
5. The cooling liquid is added to the inner cavity of the circulation plate through the infusion pipes on two sides, the pressure of the inner cavity of the circulation plate is increased at the moment, the spring leakage cylinder is pushed downwards, the bottom end of the spring leakage cylinder extends to the inside of the vertical box shell at the moment, then the spring leakage cylinder is separated from the solid guide rod, the cooling liquid in the inner cavity of the circulation plate enters the inside of the vertical box shell to realize the infusion work, the spring leakage cylinder starts to be recovered to the surface of the solid guide rod due to the traction force action of the bottom pressure and the outer surface spring in the process of stopping infusion or cooling liquid internal circulation, and the bottom of the spring leakage cylinder is blocked through the bottom end of the solid guide rod, so that the cooling liquid is prevented from leaking during internal circulation.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of a battery heat dissipation frame of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of a cooling member of the present invention;
FIG. 5 is a cross-sectional view of the filled enclosure of the present invention;
FIG. 6 is a cross-sectional view of a buffer pipette of the present invention;
FIG. 7 is a cross-sectional view of the top rotating plate of the present invention;
fig. 8 is a cross-sectional view of an infusion device of the invention.
In the figure: 1. a battery heat dissipation frame; 11. a threaded rotating rod; 12. a rotary motor; 13. centralizing the wires; 14. a cylindrical battery; 15. a hollow jacket; 16. connecting a through pipe; 17. a transfer pipe; 2. a centralized base; 21. a spring button; 4. a cooling member; 41. a vertical case; 42. adjusting the sliding plate; 43. a transverse rotating plate; 44. filling the box shell; 45. cooling the push plate; 46. a spring compression bar; 47. a traction belt; 48. a thermally conductive gasket; 5. a buffer aspirator; 51. a hollow folding rod; 52. a slotted sleeve; 53. an arc-shaped compression bar; 54. a sealing sleeve; 55. a grooving through pipe; 6. a top rotating plate; 61. a friction wheel; 62. sliding the sleeve; 63. an inner push plate; 64. fixing the plate shell; 65. a built-in spring belt; 66. an inflatable cushion; 3. an infusion device; 31. a flow-through plate; 32. adjusting the supporting rod; 33. damping concave shell; 34. an infusion tube; 35. a solid guide rod; 36. and a spring leakage cylinder.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
In embodiment 1, referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a cylinder type lithium ion power battery module phase transition heat dissipation protection device, including battery cooling frame 1, the middle part of battery cooling frame 1 inner chamber evenly is provided with hollow cover shell 15 through the slot, the both sides of hollow cover shell 15 inner chamber all fixedly connected with cylinder battery 14, the both sides at hollow cover shell 15 inner chamber middle part all fixedly connected with link up the siphunculus 16, the both ends central symmetry of battery cooling frame 1 inner chamber is provided with screw thread bull stick 11, the one end fixedly connected with rotary motor 12 of screw thread bull stick 11, the one end fixedly connected with switching siphunculus 17 of battery cooling frame 1 inner chamber far away from rotary motor 12, including cooling part 4, this cooling part 4 can cool off the cylinder battery 14 of battery cooling frame 1 inner chamber, cooling part 4 includes vertical case 41, the top fixedly connected with infusion set 3 on vertical case 41 surface, the inner chamber of vertical case 41 is filled with the coolant liquid, the bottom fixedly connected with concentrated base 2 of vertical case 41 inner chamber, the bottom sliding connection has adjustment slide 42, the right-hand member 17's right-hand member is fixedly connected with the top of battery cooling frame 1 inner chamber, the right-hand member 17's inner chamber is fixedly connected with bottom of battery cooling frame 1;
a buffer liquid absorber 5, wherein the buffer liquid absorber 5 can absorb redundant cooling liquid in the vertical case 41;
a top rotating plate 6, the top rotating plate 6 can control the on-off of the transfusion port of the vertical box shell 41.
One side of the middle part of the inner cavity of the vertical box shell 41, which is far away from the cylindrical battery 14, is fixedly connected with a filling box shell 44, one side of the inner cavity of the filling box shell 44, which is close to the cylindrical battery 14, is slidably connected with a spring pressing rod 46, the top of the filling box shell 44 is fixedly connected with a fixed rotating rod, one side of the surface of the fixed rotating rod, which is close to the cylindrical battery 14, is rotationally connected with a transverse rotating plate 43, one side of the inner cavity of the transverse rotating plate 43, which is close to the cylindrical battery 14, is fixedly connected with a traction belt 47, and the bottom of the inner cavity of the filling box shell 44 is fixedly connected with a cooling pushing plate 45.
One end of the spring compression bar 46, which is close to the cylindrical battery 14, is in sliding connection with the surface of the traction belt 47, the bottom end of the traction belt 47 is in sliding connection with the bottom of the inner cavity of the filling box shell 44, the surface of the spring compression bar 46 is in sliding connection with the inner cavity of the filling box shell 44 through a through hole, one end of the spring compression bar 46, which is far away from the cylindrical battery 14, is in sliding connection with the top of the inner cavity of the cooling push plate 45 through a vertical traction bar, and the top of the inner cavity of the traction belt 47 is fixedly connected with a heat conducting gasket 48 through the through hole.
The surface of the threaded rotating rod 11 is rotationally connected with one side of the inner cavity of the hollow casing 15, a spring button 21 is fixedly connected at the axle center of the inner cavity of the concentrated base 2, one side of the surface of the battery cooling frame 1 is fixedly connected with the middle part of the surface of the filling box shell 44 through a connecting plate, two ends of the cylindrical battery 14 are fixedly connected with the inner cavity of the battery cooling frame 1 through connecting wires, and one end, far away from the vertical box shell 41, of the inner cavity of the battery cooling frame 1 is fixedly connected with a concentrated wire 13.
Firstly, cylindrical batteries 14 are installed in a battery cooling frame 1, after a hollow casing 15 is taken out, each hollow casing 15 is inserted into two cylindrical batteries 14, then the hollow casing 15 is inserted into an inner cavity of the battery cooling frame 1, after each battery cooling frame 1 is assembled, threaded rotating rods 11 are inserted and installed on two sides of the inner cavity of the battery cooling frame 1, the threaded rotating rods 11 on two sides are kept in central symmetry, then a rotating motor 12 is inserted and installed at the axis center of the threaded rotating rods 11, a transfer through pipe 17 is inserted and installed on the other side, a left transfer through pipe 17 is introduced into the upper part of the inner cavity of a right vertical box shell 41, a right transfer through pipe 17 is introduced into the lower part of the inner cavity of the right vertical box shell 41, and then a rotating motor 12 at the bottom is fixed on a concentrated base 2, so that installation work is completed.
When the electric power transmission work is carried out, due to the bundling effect of the connecting wires, the cylindrical batteries 14 in each battery heat dissipation frame 1 are concentrated to the concentrated wires 13 through the connecting wires for power transmission, and when the cylindrical batteries 14 work, in order to enable the electric cores of the cylindrical batteries 14 to dissipate heat, the inner cavity of the vertical box shell 41 is filled with cooling liquid through the infusion device 3, then the cooling liquid is conveyed to the inner cavity of the battery heat dissipation frame 1 through the transfer through pipe 17, and the cooling liquid is filled into the inner cavity of each hollow shell 15 through the transfer through pipe 16, so that the cooling liquid dissipates heat on the surface of the cylindrical batteries 14 under the condition that the cooling liquid does not contact the cylindrical batteries 14.
Since the cooling liquid absorbs heat continuously, the temperature of the cooling liquid can rise, the heat dissipation effect of the battery core is reduced, the rotating motors 12 on two sides are required to be started at the moment, the threaded rotating rod 11 on the corresponding side is controlled to rotate, the threaded rotating rod 11 on the left side extracts cooling liquid from the inner cavity of the vertical case 41 through the transfer through pipe 17 at the moment, and the cooling liquid in the inner cavity of the battery heat dissipation frame 1 is pumped into the inner cavity of the vertical case 41 through the transfer through pipe 17 by the threaded rotating rod 11 on the right side, so that the cooling liquid in the inner cavity of the battery heat dissipation frame 1 circulates.
Because the cooling liquid flows from bottom to top in the vertical box shell 41, the cooling liquid below can push the transverse rotating plate 43 to rotate upwards along the rotating shaft, so that the through hole at the upper part of the vertical box shell 41 is opened, the top end of the transverse rotating plate 43 can pull the lower traction belt 47 in the process of rotating upwards the transverse rotating plate 43, on one hand, the traction belt 47 is pulled out from the bottom of the inner cavity of the filling box shell 44, on the other hand, the spring pressure rod 46 can be extruded, so that the spring pressure rod 46 slides towards the inner cavity of the filling box shell 44, and then the lower cooling push plate 45 is pushed, at the moment, the heat conducting gasket 48 at the bottom of the inner cavity of the traction belt 47 is also in butt joint with the top end of the spring pressure rod 46, and the cooling push plate 45 cools the flowing cooling liquid through the traction belt 47.
In embodiment 2, referring to fig. 1 to 8, the present invention provides a technical solution: on the basis of the first embodiment, the buffer liquid absorber 5 comprises a hollow folding rod 51, one end of the hollow folding rod 51, which is far away from the infusion device 3, is fixedly connected with a grooving sleeve 52, the bottom of the surface of the hollow folding rod 51 is fixedly connected with a sealing sleeve shell 54, two sides of the inner cavity of the sealing sleeve 54 are both slidingly connected with an arc-shaped pressing rod 53, one end of the arc-shaped pressing rod 53, which is far away from the grooving sleeve 52, is fixedly connected with a sliding push plate, and one side of the surface of the sliding push plate, which is far away from the sealing sleeve 54, is fixedly connected with a grooving through pipe 55.
The hollow folding rod 51 is kept away from the one end fixedly connected with atress pushing disc of grooving sleeve 52, and the hollow folding rod 51 is kept away from the one end of grooving sleeve 52 and is extended to the outside of buffering liquid absorber 5, and the one end of grooving siphunculus 55 is kept away from sealed cover shell 54 is through cutting notch and buffering liquid absorber 5's inner chamber sliding connection.
The surface of the buffer liquid absorber 5 is fixedly connected with the bottom of the inner cavity of the vertical case 41, cooling liquid is filled on two sides of the inner cavity of the buffer liquid absorber 5, one side of the surface of the sealing sleeve shell 54 is fixedly connected with the middle part of the inner cavity of the buffer liquid absorber 5, and the surface of the stressed pushing disc is in sliding connection with the bottom of the surface of the traction belt 47.
The top rotating plate 6 comprises a friction rotating wheel 61, both sides of the inner cavity of the friction rotating wheel 61 are respectively connected with a sliding sleeve shell 62 through a switching inserted link in a rotating way, an inner pushing plate 63 is fixedly connected to the axle center of the inner cavity of the sliding sleeve shell 62, the bottom of the inner cavity of the sliding sleeve shell 62 is slidably connected with a fixed plate shell 64, one end, far away from the friction rotating wheel 61, of the inner pushing plate 63 is fixedly connected with a built-in spring belt 65, and one side, far away from the built-in spring belt 65, of the inner cavity of the fixed plate shell 64 is slidably connected with an inflatable cushion 66.
One end of the fixed plate shell 64 far away from the sliding sleeve shell 62 is fixedly connected with one side of the top of the inner cavity of the vertical box shell 41 far away from the filling box shell 44, pressure sensors are fixedly connected with two sides of the inner cavity of the inflatable cushion 66, and one end of the built-in spring belt 65 far away from the inner push plate 63 is fixedly connected with the middle part of the inner cavity of the fixed plate shell 64.
The end of transversal rotating plate 43 that keeps away from fixed bull stick roll connection has the butt joint bull stick, and the one end of transversal rotating plate 43 passes through butt joint bull stick and the surface roll connection of friction runner 61, and the surface of friction runner 61 is through butt joint bull stick and the mutual extrusion of transversal rotating plate 43's one end.
When the pressure of the inner cavity of the vertical case 41 increases, the hollow folding rod 51 is compressed under the thrust action of the stressed pushing disc, so that the gas in the inner cavity of the hollow folding rod 51 is compressed into the inner cavity of the sealing sleeve 54 through the grooving sleeve 52, the gas pressure in the inner cavity of the sealing sleeve 54 increases, the arc-shaped pressing rods 53 on two sides are pushed outwards, at the moment, the grooving through pipes 55 slide out of the inner cavity of the buffer liquid absorber 5, and the grooving through pipes 55 absorb the cooling liquid in the inner cavity of the vertical case 41 into the buffer liquid absorber 5 through the grooving on two sides, so that the pressure reduction operation on the inner cavity of the vertical case 41 is realized.
When the transverse rotating plate 43 rotates, the top end of the transverse rotating plate 43 rubs against the surface of the friction rotating wheel 61, on one hand, the friction rotating wheel 61 rotates, on the other hand, the sliding sleeve shell 62 is pushed to one side close to the fixed plate shell 64 through the friction rotating wheel 61, at the moment, the inner pushing plate 63 extrudes the built-in spring belt 65, the inflatable cushion 66 is compressed due to the increase of the pressure in the inner cavity of the fixed plate shell 64, and the traction belt 47 is wound in the inner cavity of the vertical box shell 41 through extrusion of the pressure sensors at two sides, so that the transverse rotating plate 43 seals the through hole of the battery heat dissipation frame 1.
The infusion set 3 includes the circulation board 31, the equal fixedly connected with infusion pipe 34 of both sides of circulation board 31 inner chamber, the top of infusion pipe 34 inner chamber evenly is provided with solid guide arm 35, the bottom sliding connection of solid guide arm 35 surface has a spring hourglass section of thick bamboo 36, the top fixedly connected with adjustment bracing piece 32 of solid guide arm 35 inner chamber, the bottom fixedly connected with shock attenuation concave shell 33 of adjustment bracing piece 32, the both sides on shock attenuation concave shell 33 surface all with the bottom sliding connection of vertical case 41 surface, the bottom sliding connection of through-hole and circulation board 31 inner chamber is passed through on the surface of spring hourglass section of thick bamboo 36, the bottom of spring hourglass section of thick bamboo 36 extends to the inside of vertical case 41.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. The utility model provides a cylinder type lithium ion power battery module phase transition heat dissipation protection device, includes battery heat dissipation frame (1), the middle part of battery heat dissipation frame (1) inner chamber evenly is provided with hollow cover shell (15) through the slot, the equal fixedly connected with cylinder battery (14) in both sides of hollow cover shell (15) inner chamber, the equal fixedly connected with of both sides at hollow cover shell (15) inner chamber middle part links up siphunculus (16), the both ends central symmetry of battery heat dissipation frame (1) inner chamber is provided with screw thread bull stick (11), the one end fixedly connected with of screw thread bull stick (11) rotates motor (12), the one end fixedly connected with switching siphunculus (17) that rotates motor (12) are kept away from to battery heat dissipation frame (1) inner chamber, its characterized in that: comprising the steps of (a) a step of,
the cooling component (4), the cylindrical battery (14) in the inner cavity of the battery cooling frame (1) can be cooled by the cooling component (4), the cooling component (4) comprises a vertical box shell (41), the top of the surface of the vertical box shell (41) is fixedly connected with a transfusion device (3), the inner cavity of the vertical box shell (41) is filled with cooling liquid, the bottom of the vertical box shell (41) is fixedly connected with a concentrated base (2), the bottom of the inner cavity of the vertical box shell (41) is slidingly connected with an adjusting sliding plate (42), the right end of the transfer through pipe (17) is fixedly connected with the top of the inner cavity of the battery cooling frame (1), and the right end of the transfer through pipe (17) is fixedly connected with the bottom of the inner cavity of the battery cooling frame (1);
a buffer liquid absorber (5), wherein the buffer liquid absorber (5) can absorb redundant cooling liquid in the vertical box shell (41);
and the top rotating plate (6), and the top rotating plate (6) can control the on-off of the transfusion port of the vertical box shell (41).
2. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 1, wherein: one side fixedly connected with that cylinder battery (14) was kept away from to the middle part of vertical case shell (41) inner chamber fills case shell (44), one side sliding connection that fills case shell (44) inner chamber and is close to cylinder battery (14) has spring depression bar (46), the top fixedly connected with of filling case shell (44) is fixed the bull stick, and one side that fixed bull stick surface is close to cylinder battery (14) rotates and is connected with transversal rotating plate (43), one side fixedly connected with traction belt (47) that transversal rotating plate (43) inner chamber is close to cylinder battery (14), the bottom fixedly connected with cooling push pedal (45) of filling case shell (44) inner chamber.
3. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 2, wherein: one end that spring depression bar (46) is close to cylindrical battery (14) and the surface sliding connection of traction belt (47), the bottom of traction belt (47) and the bottom sliding connection of filling case shell (44) inner chamber, the surface of spring depression bar (46) is through-hole and the inner chamber sliding connection of filling case shell (44), the one end that cylindrical battery (14) was kept away from to spring depression bar (46) is through vertical traction bar and the top sliding connection of cooling push pedal (45) inner chamber, the top of traction belt (47) inner chamber is through-hole fixedly connected with heat conduction gasket (48).
4. The cylindrical lithium ion power battery module phase-change heat dissipation protection device according to claim 3, wherein: the surface of screw thread bull stick (11) rotates with one side of hollow cover shell (15) inner chamber to be connected, the axle center department fixedly connected with spring button (21) of concentrated base (2) inner chamber, the middle part fixed connection on one side on battery cooling frame (1) surface and packing case (44) surface through the connecting plate, the inner chamber fixed connection of both ends all through connecting wire and battery cooling frame (1) of cylinder battery (14), the one end fixedly connected with concentrated wire (13) of vertical case (41) are kept away from to battery cooling frame (1) inner chamber.
5. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 2, wherein: the buffering liquid absorber (5) comprises a hollow folding rod (51), one end fixedly connected with grooving sleeve (52) of infusion set (3) is kept away from to hollow folding rod (51), sealed cover shell (54) of bottom fixedly connected with on hollow folding rod (51) surface, all sliding connection has arc depression bar (53) in the both sides of sealed cover shell (54) inner chamber, one end fixedly connected with slip push pedal of grooving sleeve (52) is kept away from to arc depression bar (53), and one side fixedly connected with grooving siphunculus (55) of sealed cover shell (54) are kept away from to slip push pedal surface.
6. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 5, wherein: the hollow folding rod (51) is kept away from the one end fixedly connected with atress pushing disc of grooving sleeve (52), and the one end that grooving sleeve (52) was kept away from to hollow folding rod (51) extends to the outside of buffering liquid absorber (5), the one end that sealed cover shell (54) was kept away from to grooving siphunculus (55) is through cutting notch and buffering liquid absorber (5) inner chamber sliding connection.
7. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 6, wherein: the surface of buffering aspirator (5) is fixedly connected with the bottom of vertical case (41) inner chamber, the both sides of buffering aspirator (5) inner chamber are all filled with the coolant liquid, one side on sealed cover shell (54) surface and the middle part fixed connection of buffering aspirator (5) inner chamber, and the atress pushes away the bottom sliding connection of the surface of dish and traction area (47) surface.
8. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 2, wherein: the top rotating plate (6) comprises a friction rotating wheel (61), sliding sleeves (62) are rotatably connected to two sides of an inner cavity of the friction rotating wheel (61) through switching inserting rods, inner pushing plates (63) are fixedly connected to the axle center of the inner cavity of the sliding sleeves (62), fixing plate shells (64) are slidably connected to the bottoms of the inner cavities of the sliding sleeves (62), built-in spring belts (65) are fixedly connected to one ends, far away from the friction rotating wheel (61), of the inner pushing plates (63), and air cushions (66) are slidably connected to one sides, far away from the built-in spring belts (65), of the inner cavities of the fixing plate shells (64).
9. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 8, wherein: one end of the fixed plate shell (64) far away from the sliding sleeve shell (62) is fixedly connected with one side of the top of the inner cavity of the vertical box shell (41) far away from the filling box shell (44), pressure sensors are fixedly connected to two sides of the inner cavity of the inflatable cushion (66), and one end of the built-in spring belt (65) far away from the inner push plate (63) is fixedly connected with the middle part of the inner cavity of the fixed plate shell (64).
10. The cylindrical lithium ion power battery module phase-change heat dissipation protection device as defined in claim 9, wherein: the one end rolling connection that transversal board (43) kept away from fixed bull stick has the butt joint bull stick, the one end of transversal board (43) is through butt joint bull stick and the surface rolling connection of friction runner (61), the surface of friction runner (61) is through butt joint bull stick and transversal one end mutual extrusion of board (43).
CN202310322698.8A 2023-03-29 2023-03-29 Phase-change heat dissipation protection device for cylindrical lithium ion power battery module Pending CN116404297A (en)

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Application Number Priority Date Filing Date Title
CN202310322698.8A CN116404297A (en) 2023-03-29 2023-03-29 Phase-change heat dissipation protection device for cylindrical lithium ion power battery module

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Application Number Priority Date Filing Date Title
CN202310322698.8A CN116404297A (en) 2023-03-29 2023-03-29 Phase-change heat dissipation protection device for cylindrical lithium ion power battery module

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CN116404297A true CN116404297A (en) 2023-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116878979A (en) * 2023-09-06 2023-10-13 启东市恒盛仪表设备有限公司 Self-cooled industrial gas sampler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116878979A (en) * 2023-09-06 2023-10-13 启东市恒盛仪表设备有限公司 Self-cooled industrial gas sampler
CN116878979B (en) * 2023-09-06 2023-11-14 启东市恒盛仪表设备有限公司 Self-cooled industrial gas sampler

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