CN111947351A - Carbon dioxide heat pump heat exchange component - Google Patents
Carbon dioxide heat pump heat exchange component Download PDFInfo
- Publication number
- CN111947351A CN111947351A CN202010725340.6A CN202010725340A CN111947351A CN 111947351 A CN111947351 A CN 111947351A CN 202010725340 A CN202010725340 A CN 202010725340A CN 111947351 A CN111947351 A CN 111947351A
- Authority
- CN
- China
- Prior art keywords
- heat
- sliding
- carbon dioxide
- heat exchange
- heat pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a carbon dioxide heat pump heat exchange component which comprises a mounting plate, wherein heat exchangers are obliquely arranged on two sides of the mounting plate, the end parts of the heat exchangers on the two sides are connected through end plates, and the end plates are connected with the mounting plate through connecting bolts. In the invention, the heat exchangers are arranged on two sides, so that a larger heat exchange area can be formed, and the heat exchange efficiency of the carbon dioxide heat pump can be improved.
Description
Technical Field
The invention relates to the technical field of heat pumps, in particular to a heat exchange component of a carbon dioxide heat pump.
Background
The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the purpose of energy conservation. The carbon dioxide heat pump is a common heat pump, and generally comprises a heat exchanger, a fan, a pipeline system and a circulating system, wherein outside air is blown in by the fan and enters the heat exchanger, heat exchange is carried out between the heat exchanger and the outside air, and heat energy in the air is absorbed, so that the heating effect is achieved. The traditional heat exchanger is small in heat exchange area, low in heat exchange efficiency, and not ideal in use effect when being applied to a carbon dioxide heat pump, so that a heat exchange device specially suitable for the carbon dioxide heat pump needs to be researched.
Disclosure of Invention
The invention aims to provide a heat exchange component which is suitable for a carbon dioxide heat pump, has a larger heat exchange area and can improve the heat exchange efficiency.
The purpose of the invention is realized by the following technical scheme: the utility model provides a carbon dioxide heat pump heat transfer part, includes the mounting panel, and the both sides slope of mounting panel is provided with the heat exchanger, connects through the end plate between the tip of the heat exchanger of both sides, links to each other through connecting bolt between end plate and the mounting panel.
The heat exchanger is matched with a fan for use, the fan is arranged above the carbon dioxide heat exchange component, a cavity is formed by enclosing the heat exchanger and the end plate together, external air is sucked into the cavity from the side surface of the heat exchanger under the action of the fan and then blown out from the cavity through the fan, the external air exchanges heat with the heat exchanger when passing through the heat exchanger, and the heat exchanger absorbs heat energy from the air. In the invention, the heat exchangers are arranged on two sides, so that a larger heat exchange area can be formed, and the heat exchange efficiency of the carbon dioxide heat pump can be improved. The area of the heat exchanger can be correspondingly adjusted according to the type of the carbon dioxide heat pump, so that the heat exchanger can be suitable for carbon dioxide heat pumps of different types.
Preferably, the two sides of the mounting plate are provided with drainage grooves, one ends of the drainage grooves are inclined downwards, and one ends of the drainage grooves inclined downwards are provided with water outlets. The water drainage groove plays a drainage role, and after rainwater or condensed water and the like fall onto the mounting plate, the rainwater or the condensed water can flow into the water drainage groove and is drained through the water drainage groove. One end of the drainage groove is inclined downwards, so that water can flow out conveniently.
Preferably, the inclination angle between the heat exchanger and the vertical plane is 25-40 degrees.
Preferably, the heat exchanger comprises a plurality of fins and heat pipes which are sequentially arranged, the heat pipes are in a serpentine coil shape, and the heat pipes penetrate through the fins.
Preferably, the fin is made of aluminum. The aluminum has good heat-conducting property, and is beneficial to improving the heat exchange efficiency of the heat exchange component.
Preferably, the end plate is provided with a bolt hole, the mounting plate is provided with a threaded hole corresponding to the bolt hole, and the connecting bolt penetrates through the bolt hole and is connected with the threaded hole; a first sliding cavity and a second sliding cavity are arranged on the side face of the bolt hole, the second sliding cavity penetrates through the surface of the end plate, a locking plate is connected in the first sliding cavity in a sliding mode, and a first spring is arranged between one end of the locking plate and one end of the first sliding cavity; a control rod is connected in the second sliding cavity in a sliding manner, a second spring is arranged between one end of the control rod and one end of the second sliding cavity, a sliding groove assembly is arranged on the locking plate and comprises a first sliding groove and a second sliding groove connected with the first sliding groove, the first sliding groove is arranged at one end, close to the bolt hole, of the second sliding groove, and the width of the first sliding groove is larger than that of the second sliding groove; the control rod consists of an upper rod body and a lower rod body with different diameters, the diameter of the upper rod body is smaller than the width of the second sliding chute, and the diameter of the lower rod body is larger than the width of the second sliding chute and smaller than the width of the first sliding chute; the connecting bolt is provided with an annular clamping groove corresponding to the locking plate. In traditional carbon dioxide heat pump, the heat exchanger can produce certain shake or vibration under the effect of fan, and in long-time use, connecting bolt takes place the pine easily and takes off. Before the connecting bolt is installed, the upper end of the control rod extends upwards out of the second sliding cavity, the rod body at the upper end and the lower end of the control rod penetrates through the first sliding chute, the locking plate is fixed in the position far away from the first sliding cavity, and the front end of the locking plate does not extend out of the first sliding cavity; when the connecting bolt is screwed in the bolt hole, after the control rod is screwed, the control rod can be pressed downwards by the connecting bolt until the upper end of the control rod is flush with the upper end opening of the second sliding cavity, at the moment, the rod body at the upper end of the control rod penetrates through the sliding groove assembly, and because the diameter of the upper end rod body is smaller than that of the second sliding groove, the upper end rod body can slide in the second sliding groove, so that the locking plate can be popped out forwards under the action of the first spring and clamped into the annular clamping groove corresponding to the locking plate, the connecting bolt is fixed at the connecting position through the locking plate, and the connecting bolt can not be loosened. So that the heat exchanger can be effectively and reliably fixed on the mounting plate.
Preferably, the locking piece is connected with a pull rope, and the pull rope passes through a rope hole arranged on the end plate. When the connecting bolt needs to be detached, the locking plate is separated from the annular clamping groove by pulling the pull rope, so that the bolt can be normally taken out.
Preferably, a wedge block is arranged in the annular clamping groove, and an open groove corresponding to the wedge block is formed in one end, close to the annular clamping groove, of the locking plate. In order to enable the front end of the locking plate to be easily inserted into the annular clamping groove, the opening width of the annular clamping groove is generally slightly larger than the thickness of the locking plate, but a certain gap is formed between the locking plate and the annular clamping groove.
Preferably, the wedge block has a triangular cross-section.
The invention has the beneficial effects that: in the invention, the heat exchangers are arranged on two sides, so that a larger heat exchange area can be formed, and the heat exchange efficiency of the carbon dioxide heat pump can be improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a heat exchanger.
Fig. 3 is a sectional view of the coupling bolt in a coupled state.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Fig. 6 is a top view of the locking tab.
In the figure: 1. mounting panel, 2, heat exchanger, 3, end plate, 4, connecting bolt, 5, water drainage tank, 6, delivery port, 7, heat pipe, 8, fin, 9, ring groove, 10, locking plate, 11, control lever, 12, stay cord, 13, first slip chamber, 14, first spring, 15, second slip chamber, 16, second spring, 17, voussoir, 18, open slot, 19, first spout, 20, second spout.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 6, the heat exchange component of the carbon dioxide heat pump comprises a mounting plate 1, heat exchangers 2 are obliquely arranged on two sides of the mounting plate 1, and the inclination angle between each heat exchanger 2 and a vertical plane is 25-40 degrees. The end parts of the heat exchangers 2 on the two sides are connected through end plates 3, and the end plates 3 are connected with the mounting plate 1 through connecting bolts 4. The heat exchanger 2 comprises a plurality of fins 8 and heat pipes 7 which are sequentially arranged, the heat pipes 7 are in a snake-shaped coil shape, and the heat pipes 7 penetrate through the fins 8. The fins 8 are made of aluminum. The both sides of mounting panel 1 are provided with water drainage tank 5, and water drainage tank 5's one end downward sloping, water drainage tank 5 downward sloping's one end is provided with delivery port 6. The heat exchanger is matched with a fan for use, the fan is arranged above the carbon dioxide heat exchange component, a cavity is formed by enclosing the heat exchanger and the end plate together, external air is sucked into the cavity from the side surface of the heat exchanger under the action of the fan and then blown out from the cavity through the fan, the external air exchanges heat with the heat exchanger when passing through the heat exchanger, and the heat exchanger absorbs heat energy from the air. In the invention, the heat exchangers are arranged on two sides, so that a larger heat exchange area can be formed, and the heat exchange efficiency of the carbon dioxide heat pump can be improved. The area of the heat exchanger can be correspondingly adjusted according to the type of the carbon dioxide heat pump, so that the heat exchanger can be suitable for carbon dioxide heat pumps of different types.
The end plate 3 is provided with a bolt hole, the mounting plate 6 is provided with a threaded hole corresponding to the bolt hole, and the connecting bolt 4 penetrates through the bolt hole and is connected with the threaded hole. The side of bolt hole is provided with first slip chamber 13 and second slip chamber 15, and second slip chamber 15 sets up vertically, and second slip chamber 15 passes first slip chamber 13. The second sliding chamber 15 penetrates the surface of the end plate 8. A locking tab 10 is slidably connected in the first sliding chamber 13. A first spring 14 is provided between one end of the locking plate 10 and one end of the first sliding chamber 13. The slide groove assembly includes a first slide groove 19 and a second slide groove 20 connected to the first slide groove 19, and the first slide groove 19 is provided at one end of the second slide groove 20 near the bolt hole. The width of the first slide groove 19 is greater than the width of the second slide groove 20. A control rod 11 is slidably connected in the second sliding cavity 15. A second spring 16 is provided between one end of the control rod 11 and one end of the second sliding chamber 15. The control rod 11 is composed of an upper rod body and a lower rod body with different diameters, the diameter of the upper rod body is smaller than the width of the second sliding groove 20, the diameter of the lower rod body is larger than the width of the second sliding groove 20 and smaller than the width of the first sliding groove 19, and the connecting bolt 4 is provided with an annular clamping groove 9 corresponding to the locking plate 10. A wedge block 17 is arranged in the ring-shaped clamping groove 9, and an open slot 18 corresponding to the wedge block 17 is arranged at one end of the locking plate 10 close to the ring-shaped clamping groove 9. The wedge 17 is triangular in cross-section. The locking piece 10 is connected with a pulling rope 12, and the pulling rope 12 passes through a rope hole arranged on the end plate 8. In traditional carbon dioxide heat pump, the heat exchanger can produce certain shake or vibration under the effect of fan, and in long-time use, connecting bolt takes place the pine easily and takes off. Before the connecting bolt is installed, the upper end of the control rod extends upwards out of the second sliding cavity, the rod body at the upper end and the lower end of the control rod penetrates through the first sliding chute, the locking plate is fixed in the position far away from the first sliding cavity, and the front end of the locking plate does not extend out of the first sliding cavity; when the connecting bolt is screwed in the bolt hole, after the control rod is screwed, the control rod can be pressed downwards by the connecting bolt until the upper end of the control rod is flush with the upper end opening of the second sliding cavity, at the moment, the rod body at the upper end of the control rod penetrates through the sliding groove assembly, and because the diameter of the upper end rod body is smaller than that of the second sliding groove, the upper end rod body can slide in the second sliding groove, so that the locking plate can be popped out forwards under the action of the first spring and clamped into the annular clamping groove corresponding to the locking plate, the connecting bolt is fixed at the connecting position through the locking plate, and the connecting bolt can not be loosened. So that the heat exchanger can be effectively and reliably fixed on the mounting plate. In order to enable the front end of the locking plate to be easily inserted into the annular clamping groove, the opening width of the annular clamping groove is generally slightly larger than the thickness of the locking plate, but a certain gap is formed between the locking plate and the annular clamping groove. When the connecting bolt needs to be detached, the locking plate is separated from the annular clamping groove by pulling the pull rope, so that the bolt can be normally taken out.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A carbon dioxide heat pump heat transfer part which characterized in that: the heat exchanger comprises a mounting plate, wherein heat exchangers are obliquely arranged on two sides of the mounting plate, the end parts of the heat exchangers on the two sides are connected through end plates, and the end plates are connected with the mounting plate through connecting bolts.
2. The heat exchange component of a carbon dioxide heat pump according to claim 1, wherein the mounting plate is provided with water drainage grooves on two sides, one end of each water drainage groove is inclined downwards, and one end of each water drainage groove, which is inclined downwards, is provided with a water outlet.
3. The heat exchange component of the carbon dioxide heat pump according to claim 1, wherein the inclination angle between the heat exchanger and a vertical plane is 25-40 degrees.
4. The heat exchange component of the carbon dioxide heat pump according to claim 1, wherein the heat exchanger comprises a plurality of fins and heat pipes which are arranged in sequence, the heat pipes are in a serpentine coil shape, and the heat pipes penetrate through the fins.
5. The carbon dioxide heat pump heat exchange component of claim 1, wherein the fin is made of aluminum.
6. The heat exchange component of the carbon dioxide heat pump according to claim 1, wherein the end plate is provided with bolt holes, the mounting plate is provided with threaded holes corresponding to the bolt holes, and the connecting bolts penetrate through the bolt holes and are connected with the threaded holes; a first sliding cavity and a second sliding cavity are arranged on the side face of the bolt hole, the second sliding cavity penetrates through the surface of the end plate, a locking plate is connected in the first sliding cavity in a sliding mode, and a first spring is arranged between one end of the locking plate and one end of the first sliding cavity; a control rod is connected in the second sliding cavity in a sliding manner, a second spring is arranged between one end of the control rod and one end of the second sliding cavity, a sliding groove assembly is arranged on the locking plate and comprises a first sliding groove and a second sliding groove connected with the first sliding groove, the first sliding groove is arranged at one end, close to the bolt hole, of the second sliding groove, and the width of the first sliding groove is larger than that of the second sliding groove; the control rod consists of an upper rod body and a lower rod body with different diameters, the diameter of the upper rod body is smaller than the width of the second sliding chute, and the diameter of the lower rod body is larger than the width of the second sliding chute and smaller than the width of the first sliding chute; the connecting bolt is provided with an annular clamping groove corresponding to the locking plate.
7. The heat exchange component of a carbon dioxide heat pump according to claim 6, wherein a pull rope is connected to the locking piece, and the pull rope passes through a rope hole formed in the end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725340.6A CN111947351A (en) | 2020-07-24 | 2020-07-24 | Carbon dioxide heat pump heat exchange component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725340.6A CN111947351A (en) | 2020-07-24 | 2020-07-24 | Carbon dioxide heat pump heat exchange component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947351A true CN111947351A (en) | 2020-11-17 |
Family
ID=73339010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010725340.6A Pending CN111947351A (en) | 2020-07-24 | 2020-07-24 | Carbon dioxide heat pump heat exchange component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947351A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246455A (en) * | 1997-03-03 | 1998-09-14 | Hitachi Ltd | Indoor device of air conditioner |
| CN206626063U (en) * | 2017-03-27 | 2017-11-10 | 惠州市昇沪实业有限公司 | A kind of screw retention moves fastener |
| CN110260555A (en) * | 2019-07-19 | 2019-09-20 | 四川贝园科技有限公司 | A kind of heating-cooling double-effect refrigeration air-conditioner and working method |
| CN110953765A (en) * | 2019-12-28 | 2020-04-03 | 无锡同方人工环境有限公司 | Not altogether wind V type forced air cooling module unit frame |
| CN210921757U (en) * | 2019-11-25 | 2020-07-03 | 成都安美科科技有限公司 | Heat pump air conditioner condensate water comprehensive utilization system |
| CN111412690A (en) * | 2020-01-16 | 2020-07-14 | 宁波美科二氧化碳热泵技术有限公司 | Heat exchanger of heat pump unit |
-
2020
- 2020-07-24 CN CN202010725340.6A patent/CN111947351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10246455A (en) * | 1997-03-03 | 1998-09-14 | Hitachi Ltd | Indoor device of air conditioner |
| CN206626063U (en) * | 2017-03-27 | 2017-11-10 | 惠州市昇沪实业有限公司 | A kind of screw retention moves fastener |
| CN110260555A (en) * | 2019-07-19 | 2019-09-20 | 四川贝园科技有限公司 | A kind of heating-cooling double-effect refrigeration air-conditioner and working method |
| CN210921757U (en) * | 2019-11-25 | 2020-07-03 | 成都安美科科技有限公司 | Heat pump air conditioner condensate water comprehensive utilization system |
| CN110953765A (en) * | 2019-12-28 | 2020-04-03 | 无锡同方人工环境有限公司 | Not altogether wind V type forced air cooling module unit frame |
| CN111412690A (en) * | 2020-01-16 | 2020-07-14 | 宁波美科二氧化碳热泵技术有限公司 | Heat exchanger of heat pump unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207112996U (en) | A kind of solar energy hot blast thermodynamic heating system | |
| WO2011147195A1 (en) | Screw type air-cooling water chiller assembly and refrigeration method thereof | |
| CN201196538Y (en) | Air-water, water-water two-phase integral heat exchanger | |
| CN205806082U (en) | Press pumping plant cooling body | |
| CN111947351A (en) | Carbon dioxide heat pump heat exchange component | |
| CN106338210B (en) | Heat sink and control method thereof | |
| CN112594768A (en) | Solar heat pump direct expansion type system for heating and operation method | |
| CN209744764U (en) | double-source heat pump water heating unit system | |
| CN208222874U (en) | A kind of solar energy water-boiling preheating cooling system | |
| CN216588544U (en) | Anti-freezing wellhead heater | |
| CN216481365U (en) | Household split machine heat pump and solar PVT plate integrated intelligent two-contact system | |
| CN111964305B (en) | Carbon dioxide heat pump | |
| CN202885342U (en) | Adjustable heat pipe type solar heat pump | |
| CN211575549U (en) | Efficient energy-saving intelligent control device for cooling head tank of heat-conducting oil furnace | |
| CN101566364B (en) | Closed heating system used for oil fields | |
| CN208253922U (en) | A kind of radiator of the condenser of intelligent appliance | |
| CN211345954U (en) | Anti-frosting air energy device | |
| CN210512785U (en) | Supercharging self-evaporation condensation return air heat energy utilization device | |
| CN204630150U (en) | A kind of evaporation ends heating plant of gas-fired heat pump | |
| CN205172652U (en) | Turbo generator set unites cooling system | |
| CN219454736U (en) | Composite radiator with aluminum alloy radiating fins | |
| CN212378284U (en) | Parallel heat collection evaporator | |
| CN207702776U (en) | A kind of condensing unit of refrigeration equipment | |
| CN217875802U (en) | Peak cooling energy-saving system of direct air cooling unit | |
| CN2266107Y (en) | Heat-conducting solar water heater heat-exchanging and emptying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |