CN220321663U - Ceramic composite cold-hot conversion evaporator - Google Patents
Ceramic composite cold-hot conversion evaporator Download PDFInfo
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- CN220321663U CN220321663U CN202321602185.4U CN202321602185U CN220321663U CN 220321663 U CN220321663 U CN 220321663U CN 202321602185 U CN202321602185 U CN 202321602185U CN 220321663 U CN220321663 U CN 220321663U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 200
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- 230000005494 condensation Effects 0.000 claims abstract description 28
- 238000009833 condensation Methods 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims description 66
- 239000002002 slurry Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 2
- 238000010257 thawing Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 14
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 239000003570 air Substances 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Abstract
The utility model relates to the technical field of refrigeration, in particular to a ceramic composite cold-hot conversion evaporator which comprises a condensation pipe, metal heat exchange fins, a bracket, a ceramic heater and a power supply, wherein the metal heat exchange fins and the ceramic heater are fixed on the bracket after being assembled, the condensation pipe is penetrated on the metal heat exchange fins in a reciprocating manner, and the ceramic heater is electrically connected with the power supply. By using the ceramic heater, the defrosting requirement of the evaporator is met, and in the defrosting process, the energy is saved, the heat efficiency is high, the temperature rise is fast, and the insulating property is good.
Description
Technical Field
The utility model relates to the technical field of refrigeration, in particular to a ceramic composite cold-hot conversion evaporator.
Background
Evaporation is the physical process of converting a liquid state into a gaseous state. In general, a vaporizer, i.e. a body in which a liquid substance is converted into a gas state. There are a large number of evaporators in industry, one of which is the evaporator used in refrigeration systems. The evaporator is an important part in four refrigeration parts, and low-temperature condensed liquid passes through the evaporator to exchange heat with outside air, gasify and absorb heat, so that the refrigeration effect is achieved. The evaporator mainly comprises a heating chamber and an evaporating chamber. The heating chamber provides heat required for evaporation to the liquid, causing the liquid to boil and evaporate; the evaporating chamber makes the gas-liquid phase completely separate.
In the use process of the evaporator, the surface of the evaporator is easy to generate a frost layer due to the fact that the evaporator is in a cold and hot uneven environment for a long time, so that the function of the evaporator is affected, the defrosting mode of the existing display cabinet fin evaporator is approximately divided into two modes, namely, defrosting through heating wires by electric heating and defrosting through introducing high-temperature gas exhausted by a press to the evaporator. The electric heating wire is used for heating and defrosting, so that the electric heating wire has high power consumption, uneven heat side emission, incomplete defrosting and reduced refrigeration effect. Defrosting by introducing the high temperature gas discharged from the press to the evaporator is complicated in its refrigeration piping and difficult to manufacture and maintain after sale. The traditional refrigeration showcase can not be heated in winter and has single function.
Therefore, the problems of low defrosting speed, complex defrosting structure and poor temperature consistency in defrosting of the conventional display cabinet fin evaporator are needed to be solved by the person skilled in the art.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims at: the ceramic material and metal material composite cold-heat conversion evaporator can realize the requirement of defrosting in the refrigerating process by utilizing the ceramic heating plate principle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a cold and hot conversion evaporator of pottery complex, includes condenser pipe, metal heat transfer fin, support, ceramic heater, power, metal heat transfer fin and ceramic heater are assembled the back and are fixed on the support, the condenser pipe alternates on metal heat transfer fin back and forth, ceramic heater and power electric connection.
According to the ceramic composite cold-hot conversion evaporator, the ceramic heater is provided with the heating area, and the condensing tube is inserted on the metal heat exchange fin and then placed in the heating area.
The ceramic composite cold-hot conversion evaporator comprises a ceramic wall, wherein a ceramic cavity is arranged in the middle of the ceramic wall, a condensing tube is inserted back and forth on a metal heat exchange fin and then placed in the ceramic cavity, an air inlet is formed in the upper portion of the ceramic cavity, and an air outlet is formed in the bottom of the ceramic cavity.
The ceramic composite cold-hot conversion evaporator comprises a ceramic body, a ceramic side wall, a ceramic front wall and a ceramic rear wall, wherein the ceramic body comprises a transverse wall, a vertical wall is perpendicularly connected to one end of the transverse wall, the transverse wall and the vertical wall are of plate-shaped structures, the ceramic side wall is arranged on the other side of the transverse wall, the ceramic front wall and the ceramic rear wall are symmetrically arranged on the front side and the rear side of the transverse wall, an air inlet is formed in the opposite side of the transverse wall, and an air outlet is formed between the transverse wall and the ceramic side wall.
The ceramic composite cold-hot conversion evaporator is characterized in that the ceramic front wall and the ceramic rear wall are cubic, a plurality of condensation pipe holes are formed in the ceramic front wall and the ceramic rear wall, the condensation pipe comprises a plurality of straight pipes and a plurality of bent pipes, the straight pipes are inserted into the metal heat exchange fins and the condensation pipe holes, two ends of the straight pipes extend to the outer sides of the condensation pipe holes, and the bent pipes are connected to adjacent main pipes at the outer sides of the condensation pipe holes at the same side.
According to the ceramic composite cold-hot conversion evaporator, the ceramic side wall is in a triangular column shape, the inclined edge of the ceramic side wall is sunken towards the right angle to form a diversion arc, cold air enters from the air inlet, passes through the metal heat exchange fins inserted with the condensing tube, and is blown out from the air outlet.
According to the ceramic composite cold-hot conversion evaporator, the metal heating resistor slurry is arranged on the hole wall of the condensation pipe hole, the metal heating resistor slurry is connected with the main pipe, the main pipe is heated after the metal heating resistor slurry is electrified, and the metal heating resistor slurry is arranged on the inner surfaces of the ceramic main body and the ceramic side wall.
According to the ceramic composite cold-hot conversion evaporator, the water receiving groove is formed in the upper portion of the transverse wall, and the metal heating resistor slurry is arranged on the surface of the water receiving groove.
The ceramic composite cold-hot conversion evaporator is characterized in that the metal heating resistor slurry is one or more high-melting-point metals of tungsten, molybdenum and manganese, and the metal heating resistor slurry is printed on the ceramic wall according to the design of a heating circuit.
The ceramic composite cold-hot conversion evaporator has the beneficial effects that: the ceramic heater is used for meeting the defrosting requirement of the evaporator, in the defrosting process, the ceramic heater is energy-saving, high in thermal efficiency, quick in temperature rise and good in insulating property, the metal heating resistor slurry is used, the temperature can be easily controlled by controlling the resistor through linearity of resistance-temperature change, the thermal uniformity is good, and the power density is high, namely more than or equal to 50W/cm 2 No power attenuation is generated after long-time use, the service life is long, and the environment is protected.
Drawings
FIG. 1 is a first schematic view of an evaporator structure according to the present utility model;
FIG. 2 is a second schematic view of the evaporator structure of the present utility model;
FIG. 3 is a schematic view of an exploded view of the evaporator structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of the evaporator of the utility model;
FIG. 5 is a schematic cross-sectional view of the ceramic body structure of the present utility model;
FIG. 6 is a schematic cross-sectional view of a ceramic sidewall structure of the present utility model;
FIG. 7 is a schematic cross-sectional view of the ceramic front wall and ceramic rear wall of the present utility model.
Reference numerals illustrate: the heat exchange tube comprises a condensation tube 10, metal heat exchange fins 20, a support 30, a ceramic heater 40, a ceramic cavity 50, an air inlet 51, an air outlet 52, a ceramic main body 41, a ceramic side wall 42, a ceramic front wall 43, a ceramic rear wall 44, a transverse wall 411, a vertical wall 412, a water receiving groove 413, a guide arc 421, a condensation tube hole 431, a straight tube 11, an elbow 12, a refrigerant inlet 13, a refrigerant outlet 14 and metal heating resistor slurry 45.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the technical scheme of the present utility model will be described below with reference to the detailed description and the accompanying drawings.
Example 1
According to the technical scheme, ceramic heating plates are arranged at two ends of a fin evaporator pipeline, through holes are uniformly distributed in left and right ceramic heating plates, high-melting-point metal heating resistor slurry made of tungsten, molybdenum/manganese and the like is printed on 92-96% of aluminum oxide tape casting ceramic green bodies according to the design requirements of heating circuits in the through holes, and after high-temperature firing, copper pipes are inserted into the through holes of the ceramic heating plates to be fixed. In the refrigeration process, the ceramic plays a role in heat preservation, the low heat conductivity of the ceramic concentrates cold energy in the evaporator, the cold energy cannot be shot on the cabinet body in a side-by-side mode, the problem of cold energy dissipation caused by low temperature of the evaporator is avoided, and the phenomenon of condensation at the position of the evaporator at the outer side of the cabinet body is avoided. Copper pipes with fins are arranged in the middle of the ceramic heating plates on the left side and the right side, the heat exchange area of the fins can be increased, and the heat exchange efficiency is improved. Heat is absorbed in the refrigerating process, and heat is dissipated in the heating process. The periphery of the evaporator is provided with a ceramic heating front piece and a ceramic heating rear piece. The two ceramic heating plates and the left and right ceramic heating plates form a closed air duct. The lower part of the ceramic heating front piece is provided with a step which is used as a water receiving box of the evaporator and used for storing frosting generated in the refrigerating process, the inner surface of the ceramic heating front piece is printed with high-melting-point metal heating resistor slurry such as tungsten, molybdenum/manganese and the like, and the inner surface of the ceramic heating rear piece is also printed with the metal heating resistor slurry.
Specifically, as shown in fig. 1-7, a ceramic composite cold-hot conversion evaporator comprises a condensation tube 10, a metal heat exchange fin 20, a bracket 30, a ceramic heater 40 and a power supply, wherein the ceramic heater is electrically connected with the power supply. The metal heat exchange fins and the ceramic heater are fixed on the bracket after being assembled, the condensing pipe is penetrated on the metal heat exchange fins back and forth, and the condensing pipe is placed in the heating area after being penetrated on the metal heat exchange fins.
The ceramic heater includes ceramic wall, and ceramic wall's intermediate position is provided with ceramic cavity 50, and ceramic cavity's top is provided with air intake 51, and ceramic cavity's bottom is provided with air outlet 52. The ceramic wall includes ceramic main part 41, ceramic lateral wall 42, ceramic front wall 43, ceramic back wall 44, the ceramic main part includes transverse wall 411, perpendicular wall 412 of connection in transverse wall one end, transverse wall, perpendicular wall is platelike structure, the ceramic lateral wall sets up in the other side of transverse wall, the air intake sets up in the contralateral side of transverse wall, the air outlet sets up between transverse wall and ceramic lateral wall, the arrow direction in the figure indicates cold wind flow direction, ceramic front wall and ceramic back wall symmetry set up in the front and back both sides of transverse wall, the ceramic main part, the ceramic lateral wall, ceramic front wall, ceramic back wall constitutes the ceramic chamber, the ceramic intracavity sets up the zone of heating, the condenser pipe alternates back and forth on the metal heat transfer fin, place in the ceramic chamber. A water receiving groove 413 is arranged above the transverse wall and is used for storing frost generated in the refrigerating process.
The ceramic side wall is triangular prism-shaped, the hypotenuse of the ceramic side wall is sunken to the right angle department to form the arc of water conservancy diversion 421, and cold wind gets into from the air intake, passes the metal heat transfer fin that alternates the condenser pipe, blows out from the air outlet.
The ceramic front wall and the ceramic rear wall are cubic, a plurality of condensation pipe holes 431 are formed in the ceramic front wall and the ceramic rear wall, the condensation pipe holes are uniformly distributed in the ceramic front wall and the ceramic rear wall respectively, the condensation pipe comprises a plurality of straight pipes 11 and a plurality of bent pipes 12, the straight pipes are inserted into the metal heat exchange fins and the condensation pipe holes, two ends of the straight pipes extend to the outer sides of the condensation pipe holes, the bent pipes are connected to adjacent main pipes on the outer sides of the condensation pipe holes on the same side, the straight pipes are arranged in an S-shaped mode, the straight pipes and the bent pipes are uniformly distributed on the copper pipes at intervals of 10 mm, one straight pipe is independently reserved on the ceramic front wall or the ceramic rear wall and is not connected with the bent pipes for being used as a refrigerant inlet 13 or a refrigerant outlet 14, and refrigerant flows from the refrigerant inlet after sequentially flowing through the straight pipes and then flows out of the refrigerant outlet.
The inner surfaces of the wall of the condensation tube hole, the ceramic main body and the ceramic side wall are provided with metal heating resistor slurry 45, and the metal heating resistor slurry is arranged on the surface of the water receiving tank and the surface of the diversion arc. The metal heating resistor paste is formed by printing high-melting-point metal heating resistor paste such as tungsten, molybdenum, molybdenum\manganese and the like on 92-96% of aluminum oxide tape casting ceramic green bodies according to the design requirement of a heating circuit and firing at high temperature, and is connected with a main pipe, and the main pipe is heated after the metal heating resistor paste is electrified.
The ceramic main body, the ceramic side wall, the ceramic front wall, bolt holes are uniformly distributed above the ceramic rear wall, the bracket is of a flat plate structure, the same bolt holes are uniformly distributed at corresponding positions of the bracket, and the ceramic main body, the ceramic side wall, the ceramic front wall and the ceramic rear wall are fixedly connected with the bracket through bolts
During the refrigeration process: the ceramic main body, the ceramic side wall, the ceramic front wall and the ceramic rear wall are not electrified, heat is not generated, and the compressor refrigeration is normal. In the defrosting process and the heating process: the ceramic main body, the ceramic side wall, the ceramic front wall and the ceramic rear wall are all electrified to generate heat and start heating and defrosting. Wherein the ceramic body voltage can be controlled to change. The heat is derived from joule's law and ohm's law to be equal to the square resistance of the voltage, namely:
Q＝U 2 /R·T
the temperature of the ceramic main body is variable in the defrosting process, and the temperature is equal to the temperature of the other three heating plates when defrosting starts. After a certain time, the frosted water is stored in the water receiving groove of the transverse wall, the voltage is increased through the transformer, the heat is obviously increased, and the water is evaporated cleanly. In the heating process, the voltage of the ceramic main body is unchanged, and the temperature is consistent with that of other heating sheets. The compressor is stopped in the heating process, refrigeration is stopped, and at the moment, the copper pipe and the metal heat exchange fins serve as radiators to efficiently radiate heat generated by the ceramic main body and the ceramic side wall, so that the display cabinet is heated.
The refrigerating process comprises the following steps: after the refrigerating system works, the refrigerant enters the copper pipe, and the heat is absorbed more efficiently through the metal heat exchange fins, so that the temperature is reduced. The ceramic main body, the ceramic side wall, the ceramic front wall and the ceramic rear wall are not heated. Wind enters from the air inlet of the evaporator and is blown out from the air outlet of the evaporator. When the cooling reaches a certain time, defrosting starts. When defrosting, the compressor stops working, refrigeration stops, the ceramic main body, the ceramic side wall, the ceramic front wall, the ceramic rear wall all begin to be electrified and heated, defrosting begins, the ceramic front wall, metal heating resistor slurry is arranged in the condensation tube hole of the ceramic rear wall, the copper tube is inserted into the condensation tube hole, heat of the copper tube is directly conducted to the copper tube and then conducted to the metal heat exchange fins, frost on the copper tube and the metal heat exchange fins is quickly melted, after a certain time, the frost thoroughly deposits into water in the water receiving grooves of the transverse plates of the ceramic main body, the temperature of the frost is increased by increasing the voltage input into the ceramic main body, so that the water is quickly evaporated, the evaporation ends, the defrosting process is stopped, the ceramic main body, the ceramic side wall, the ceramic front wall, the ceramic rear wall stops being electrified and heated, the press is started, and refrigeration begins.
The heating process comprises the following steps: the press stops running, the ceramic main part, the ceramic lateral wall, ceramic front wall, ceramic back wall all circular telegram heating, ceramic front wall, there is metal heating resistor thick liquids in the through-hole of ceramic back wall, and in the copper pipe inserted the condensation tube hole, its heat was directly conducted to the copper pipe and then conducted to metal heat transfer fin on, improved heat transfer efficiency. The fan blows the heat generated by the evaporator into the cabinet to finish heating.
The ceramic heating plate has the advantages of simple structure, rapid temperature rise, rapid temperature compensation, high heat efficiency, uniform heating, energy conservation, long service life, less power attenuation, insulation of the heating body and air, acid and alkali resistance and other corrosive substances of the element, bottom heat conductivity, metal heating resistor slurry on the ceramic main body, ceramic side walls, ceramic front walls and inner surfaces of ceramic rear walls, and the inner surfaces of the ceramic rear walls are all inside the evaporator, can concentrate heat, is not easy to diffuse outside the evaporator, and improves heating effect.
The above embodiments are only for illustrating the structural concept and features of the present utility model, and are intended to enable those skilled in the art to understand the contents of the present utility model and implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the essence of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A ceramic composite cold-hot conversion evaporator, which is characterized in that: the heat exchange device comprises a condensing tube, metal heat exchange fins, a support, a ceramic heater and a power supply, wherein the metal heat exchange fins and the ceramic heater are fixed on the support after being assembled, the condensing tube is inserted on the metal heat exchange fins back and forth, and the ceramic heater is electrically connected with the power supply.
2. The ceramic composite cold-heat converting evaporator according to claim 1, wherein: the ceramic heater is provided with a heating zone, and the condensing tube is inserted on the metal heat exchange fin and then placed in the heating zone.
3. The ceramic composite cold-heat converting evaporator according to claim 2, wherein: the ceramic heater comprises a ceramic wall, a ceramic cavity is arranged in the middle of the ceramic wall, the condensing tube is inserted back and forth on the metal heat exchange fins and then placed in the ceramic cavity, an air inlet is formed in the upper portion of the ceramic cavity, and an air outlet is formed in the bottom of the ceramic cavity.
4. A ceramic composite heat and cold conversion evaporator according to claim 3, characterized in that: the ceramic wall includes ceramic main part, ceramic lateral wall, ceramic front wall, ceramic back wall, ceramic main part includes the cross wall, perpendicular wall of connection in cross wall one end, cross wall, perpendicular wall are platelike structure, ceramic lateral wall sets up in the other one side of cross wall, ceramic front wall and ceramic back wall symmetry set up in the front and back both sides of cross wall, the air intake sets up the offside at the cross wall, the air outlet sets up between cross wall and ceramic lateral wall.
5. The ceramic composite cold-heat converting evaporator according to claim 4, wherein: the ceramic front wall and the ceramic rear wall are cubes, a plurality of condensation pipe holes are formed in the ceramic front wall and the ceramic rear wall, the condensation pipe comprises a plurality of straight pipes and a plurality of bent pipes, the straight pipes are inserted into the metal heat exchange fins and the condensation pipe holes, two ends of the straight pipes extend to the outer sides of the condensation pipe holes, and the bent pipes are connected to adjacent main pipes on the outer sides of the condensation pipe holes on the same side.
6. The ceramic composite cold-heat converting evaporator according to claim 5, wherein: the ceramic side wall is triangular prism-shaped, the inclined edge of the ceramic side wall is recessed towards the right angle to form a diversion arc, cold air enters from the air inlet, passes through the metal heat exchange fins inserted with the condensing tube, and is blown out from the air outlet.
7. The ceramic composite cold-heat converting evaporator according to claim 6, wherein: the pore wall of the condensation pore is provided with metal heating resistor slurry, the metal heating resistor slurry is connected with the main pipe, the main pipe is heated after the metal heating resistor slurry is electrified, and the inner surfaces of the ceramic main body and the ceramic side wall are provided with the metal heating resistor slurry.
8. The ceramic composite cold-heat converting evaporator according to claim 7, wherein: the transverse wall top is provided with the water receiving tank, metal heating resistor thick liquids set up at the water receiving tank surface.
9. The ceramic composite cold-heat converting evaporator according to claim 8, wherein: the metal heating resistor slurry is one or more high-melting-point metals of tungsten, molybdenum and manganese, and is printed on the ceramic wall according to the design of a heating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602185.4U CN220321663U (en) | 2023-06-25 | 2023-06-25 | Ceramic composite cold-hot conversion evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602185.4U CN220321663U (en) | 2023-06-25 | 2023-06-25 | Ceramic composite cold-hot conversion evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220321663U true CN220321663U (en) | 2024-01-09 |
Family
ID=89424959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321602185.4U Active CN220321663U (en) | 2023-06-25 | 2023-06-25 | Ceramic composite cold-hot conversion evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220321663U (en) |
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2023
- 2023-06-25 CN CN202321602185.4U patent/CN220321663U/en active Active
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