CN113551328B - Combined heat exchanger - Google Patents

Abstract

The invention provides a combined heat exchange device, which comprises a heating unit, a heat exchange unit and a mounting frame, wherein the mounting frame is arranged on the heating unit; the heating unit and the heat exchange unit can be detachably combined through the mounting frame, and can respectively and independently operate. According to the actual demand and climate environment conditions of the temporary medical service unit, heat exchange equipment with different types, different powers or different heat exchange effects can be flexibly arranged for the heating unit or the heat exchange unit, so that the demand of the outdoor temporary medical service unit in an extreme environment can be met, and the refrigerating or heating effect of the combined heat exchange device can be further improved; even if the heating unit and the heat exchange unit are split, the normal operation of the heating unit or the heat exchange unit is not affected, the heating unit and/or the heat exchange unit is more convenient to flexibly select and transport, and the problem that the conventional heat pump type air conditioner is inconvenient to transport and install in the temporary medical service unit is solved.

Description

Combined heat exchanger

Technical Field

The invention relates to the technical field of heat exchange, in particular to a combined heat exchange device suitable for a mobile use environment.

Background

The heat exchange device is commonly used for refrigerating or heating the fixed inner space so as to adjust the temperature of the inner space. The existing heat exchange device with the functions of refrigeration and heating, such as a heat pump type air conditioner, wherein the heating unit and the refrigerating unit share a set of refrigerant circulation system, so that the heating unit and the refrigerating unit are not detachable, and the refrigerating unit or the heating unit cannot be selected in a targeted manner according to the actual requirements of a temporary medical service unit; and the heat pump type air conditioner comprising the indoor unit and the outdoor unit has a complex structure, is inconvenient to install or transfer, and is difficult to meet the use requirement of the temporary medical unit.

Disclosure of Invention

In view of the foregoing, there is a need for an improved combination heat exchange device.

The invention provides a combined heat exchange device, which comprises a heating unit, a heat exchange unit and a mounting frame, wherein the mounting frame is arranged on the heating unit; the heating unit and the heat exchange unit can be detachably combined through the mounting frame, and can respectively and independently operate.

The combined heat exchange device provided by the invention breaks through the non-detachable limit between the heating unit and the refrigerating unit of the existing heat pump type air conditioner, and realizes the independent modularized design of the heating unit and the heat exchange unit. Even if the heating unit is detached from the heat exchange unit, the operation of the heating unit or the heat exchange unit is not affected, so that the heating unit and/or the heat exchange unit can be flexibly selected and combined according to actual requirements, and the problem that the conventional heat pump type air conditioner is inconvenient to transport and transfer or inconvenient to install in a temporary medical service unit is solved; in addition, according to the actual demand and climate conditions of the temporary medical service unit, heat exchange equipment with different types, different powers or different heat exchange effects can be flexibly arranged for the heating unit or the heat exchange unit, so that the demand of the outdoor temporary medical service unit under the extreme climate conditions is met.

In one embodiment of the invention, the mounting frame comprises two boxes, the heating unit and the heat exchange unit are respectively accommodated in the two boxes, and the two boxes are stacked and detachably connected.

The box body can better protect the heating unit or the heat exchange unit, and avoid the operation interference and damage of the outside on the heating unit or the heat exchange unit; in addition, the heating unit and the heat exchange unit are accommodated in the box body, so that the box body is convenient to transport, stack or store in a warehouse, and after being combined with the box body of the heat exchange unit, the box body is more convenient to place in a use site, and the combined heat exchange device occupies smaller and more regular space; in addition, the heating unit and the heat exchange unit are integrally arranged in the box body, so that the mounting or dismounting process of the combined heat exchange device is simplified, and the assembly and disassembly are more convenient.

In one embodiment of the present invention, the box is provided with a first air port and a second air port, and the first air port and the second air port are respectively arranged on two adjacent side parts of the box.

The arrangement is that the first air port and the second air port are convenient for air to circulate between the indoor and the heating unit or the heat exchange unit, so that the indoor temperature is relatively stable in the operation process of the combined heat exchange device; in addition, the soft air pipe can be connected to the outer side of the first air port or the second air port, namely the combined heat exchange device is communicated with the room through the soft air pipe connected to the first air port and the second air port, so that the combined heat exchange device can be arranged outdoors without occupying the indoor space of the temporary medical service unit; the first air port and the second air port are arranged on two adjacent side parts of the box body, so that the soft air pipe can be conveniently and quickly connected.

In one embodiment of the present invention, the outer peripheral wall of the first tuyere and/or the second tuyere extends outwardly and forms the wind guiding portion.

The air guide part is convenient for air entering and exiting the first air port and/or the second air port to play a role in guiding; in addition, when the combined heat exchange device is arranged outdoors and is connected with the soft air pipe outside the first air port or the second air port to be communicated indoors, the air guide part can be matched with the end part of the soft air pipe, so that the soft air pipe can be conveniently and firmly connected with the outer side of the first air port or the second air port, the soft air pipe is prevented from loosening and shaking relative to the first air port or the second air port, and the extrusion or abrasion of the edge of the first air port or the edge of the second air port to the soft air pipe can be reduced.

In one embodiment of the invention, the box body is also provided with a ventilation window, and the ventilation window is arranged at the side part of the box body; after two boxes are stacked, the positions of the first air port, the second air port and the ventilation window of the two boxes are respectively located on the same side of the mounting frame.

The first air port and the second air port are communicated with the heating unit or the heat exchange equipment in the heat exchange unit and the atmosphere, so that the heat exchange equipment is fully contacted with the outside air, the heat exchange efficiency between the heat exchange equipment and the air is improved, and meanwhile, the continuous heat exchange between the heat exchange equipment and the outside atmosphere can be kept in the operation process of the combined heat exchange device, so that the room temperature stability in the temporary medical service unit is ensured; in addition, after a plurality of boxes are piled up and are set up, first wind gap, second wind gap and ventilation window position are located the homonymy of mounting bracket respectively, and the on-the-spot personnel of being convenient for is quick with soft wind pipe connection corresponding first wind gap or second wind gap, and the box is more convenient with being connected with soft tuber pipe's arrangement, save time.

In one embodiment of the invention, the box body further comprises a supporting frame, wherein the supporting frame comprises a plurality of supporting rods, and the supporting rods are respectively distributed on edges of the box body to form the supporting frame.

The box body is simple in structure, the supporting rods are easy to obtain, the box body is convenient to manufacture, and the cost is lower; in addition, the structure of box is more stable, and the support frame that comprises the bracing piece has better bearing capacity, stacks between a plurality of boxes of being convenient for and puts, and the bracing piece can bear the weight of the box that is located the top.

In one embodiment of the invention, the case further comprises a turning handle rotatably connected to the support bar at the side of the case.

The rotary handle is convenient to hold in the transportation process, so that the transfer of the heating unit or the heat exchange unit in a short distance can be realized; in addition, the rotating handle can rotate relative to the box body, and after the box body is conveyed, the rotating handle can be rotated and folded at the side part of the box body, so that the occupied space of the box body is reduced, and meanwhile, the influence of the rotating handle on passing people can be avoided; in addition, the rotating handle can be arranged on the supporting rod positioned on the edge of the side part of the box body, so that the connection reliability of the rotating handle is ensured.

In one embodiment of the invention, the combined heat exchange device further comprises a fixed handle, wherein the fixed handle is fixedly arranged on the support rod on the side part of the box body, which is relatively close to the top of the box body.

The fixed handle is convenient for people to hold, so that the transfer of the heating unit or the heat exchange unit is realized; in addition, the fixed handle is also favorable for binding a plurality of boxes through ropes or chains, and is also favorable for lifting the boxes. Particularly in the case of a complex terrain or a large vertical height difference, the box body is inconvenient to horizontally transfer, and the mode of lifting the box body can reduce the time and manpower and material resources required for transferring the box body.

In one embodiment of the invention, the top of the box body extends outwards to form a positioning block, and the bottom of the box body is provided with a positioning groove; the positioning block is matched with the positioning groove.

The combined type heat exchange device is more stable in stacking among the plurality of boxes, and is higher in overall stability, and even if the combined type heat exchange device is transported in a rugged environment, the plurality of boxes are not easy to shake relatively, so that the combined type heat exchange device is more convenient to transport, and hidden danger of box sliding is reduced; in addition, the universality of the box body is improved, namely, the combined heat exchange device can select one set of box body, and a plurality of box bodies can be combined or exchanged at will, and the combined heat exchange device is not limited to the installation position of each box body, so that the cost of the combined heat exchange device is greatly reduced.

In one embodiment of the invention, the combined heat exchange device further comprises a hasp, the hasp comprises a turnover part and a connecting part, the turnover part and the connecting part are respectively and fixedly arranged on the two box bodies, and the turnover part can rotate relative to the connecting part and is clamped with the connecting part.

By means of the arrangement, the turnover part is locked on the connecting part or is loosened from the connecting part, and connection or disassembly between the heating unit and the heat exchange unit is achieved. The detachable connection of the heating unit and the heat exchange unit is realized through the hasp, the structure is simpler, the disassembly and assembly process is simpler and faster, the operation is easy, the disassembly and assembly time in transportation and in the field arrangement process can be greatly saved, and non-professional personnel can also easily operate, so that the usability of the combined heat exchange device is improved.

In one embodiment of the invention, the heating unit comprises a fuel heater, and the tank body is provided with a fuel filling port, and the fuel filling port is positioned at the top or at the side part of the tank body.

The fuel filling port arranged at the side part or the top of the box body is convenient for on-site personnel to rapidly supply fuel to the fuel heater, the box body containing the fuel heater does not need to be detached, and the fuel heater does not need to be taken out from the box body, so that the fuel filling time is saved, the workload of the on-site personnel is greatly reduced, the fuel filling program is simplified, and the use convenience of the combined heat exchange device is further improved; in addition, the heating unit adopting the fuel oil heater has better heat generating effect, and compared with a heat pump type air conditioner, the fuel oil heater can still operate even under the condition of extremely low outdoor temperature; the fuel oil and air combustion reaction generates heat, so that great consumption and dependence on electric energy are avoided.

In one embodiment of the invention, the heat exchange unit comprises a refrigeration device and an electrical heating device for refrigeration and heating, respectively.

The heat exchange unit has the functions of refrigerating and heating. When the temporary medical service unit has the heating and refrigerating requirements, the heat exchange unit in the embodiment can be directly selected without adding an additional heating unit. The refrigeration equipment and the electric heating equipment are controlled to operate at different time, so that different functions of the heat exchange unit are realized in different demand time periods, and the heat exchange unit in a split state can still operate normally and independently.

In one embodiment of the invention, the case further comprises a roller detachably mounted at the bottom or side bottom end of the case.

The roller improves the mobility of the combined heat exchange device, is convenient for transferring or transporting the combined heat exchange device, and can save more labor for transporting the combined heat exchange device; in addition, the heating unit or the heat exchange unit in the split state can be easily transferred, so that a user can conveniently adjust the combination relation between the heating unit and the heat exchange unit according to the actual field requirement.

In an embodiment of the invention, the combined heat exchange device comprises a plurality of heat exchange units and/or a plurality of heating units and a plurality of mounting frames, wherein the plurality of heat exchange units and/or the plurality of heating units are respectively arranged on the plurality of mounting frames, and the plurality of mounting frames are detachably combined.

The heating units and/or the heat exchange units can be increased or decreased or combined according to the actual use demands through the mounting frame, namely, the combined heat exchange device can be formed by combining the mounting frames carrying the plurality of heating units/the plurality of heat exchange units/the plurality of heating units and the plurality of heat exchange units, so that different medical service units are respectively subjected to differential heating and/or refrigeration, and the applicability of the combined heat exchange device is improved.

In one embodiment, the heating unit and/or the heat exchange unit is further provided with a remote communication module, and the remote communication module can be in wireless connection with the control terminal and the heating unit and/or the heat exchange unit.

By means of the arrangement, a unified data interface can be arranged between the heating unit and the heat exchange unit, and remote wireless communication control is achieved, so that an operator can directly operate and control terminal equipment, start-stop and running states of the heating unit or the heat exchange unit are controlled remotely, and use convenience of the combined heat exchange device is improved.

The combined heat exchange device provided by the invention breaks through the non-detachable limit between the heating unit and the refrigerating unit of the existing heat pump air conditioner, even if the heating unit and the heat exchange unit are detached, the operation of the heating unit or the heat exchange unit is not affected, and the independent modularized design of the heating unit and the heat exchange unit is realized, so that the heating unit and/or the heat exchange unit can be flexibly selected and combined according to actual requirements, and the problems that the existing heat pump air conditioner is inconvenient to transport and transfer or is inconvenient to install in a temporary medical service unit are solved; in addition, according to the actual demand and climate conditions of the temporary medical service unit, heat exchange equipment with different types, different powers or different heat exchange effects can be flexibly arranged for the heating unit or the heat exchange unit, so that the demand of the outdoor temporary medical service unit under the extreme climate conditions is met.

Drawings

FIG. 1 is a schematic view of a combined heat exchange device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the combined heat and exchange device of FIG. 1 from a first perspective;

FIG. 3 is a schematic view of the combined heat and exchange device of FIG. 1 at a second view;

FIG. 4 is a schematic view of the combined heat and exchange device of FIG. 1 from a third perspective;

Fig. 5 is a schematic diagram illustrating an operation principle of a single cooling type air conditioner according to an embodiment of the present invention.

100. A combined heat exchange device; 10. a heating unit; 20. a heat exchange unit; 30. a mounting frame; 31. a case; 311. a first tuyere; 312. a second tuyere; 313. an air guide part; 33. a ventilation window, 34, a support frame; 341. a support rod; 342. rotating the handle; 343. a fixed handle; 344. a positioning block; 345. a positioning groove; 346. a traction hook; 36. a fuel filler inlet; 37. a roller; 38. an exhaust port; 39. a control panel; 200. a single-cooling air conditioner; 210. an evaporator; 220. a gas-liquid separator; 230. a compressor; 240. a condenser; 250. a throttling element, 260, a first fan; 270. and a second fan.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 2, fig. 1 is a schematic structural diagram of a combined heat exchanging device 100 according to an embodiment of the invention, and fig. 2 is a schematic first view of the combined heat exchanging device 100 shown in fig. 1.

The invention provides a combined heat exchange device 100 which is mainly applied to a medical service unit temporarily built outdoors. In the present embodiment, the combined heat exchange device 100 is applied to a medical shelter, and cools or heats the medical shelter.

It will be appreciated that in other embodiments, the modular heat exchange device 100 may also be applied to other types of outdoor temporary medical service units, such as field medical care systems, or to work sites temporarily set up in other mobile suitable environments, such as temporary sites used for field scientific, engineering, travel, recreational exploration, and the like.

The combined heat exchange device 100 has both cooling and heating functions, and is used for cooling or heating a fixed inner space, thereby adjusting the temperature of the inner space. The combined heat exchanging device 100 includes a heating unit 10 and a heat exchanging unit 20, and the heat exchanging unit 20 can be used for cooling.

The heating unit 10 may release heat through a physical process or a chemical reaction process, control a physical state change and a circulation flow of a heat transfer medium, change a temperature or a physical state of the heat transfer medium, and perform heat exchange through air, or directly heat air and discharge the air to a fixed internal space, thereby realizing heating;

the heat exchange unit 20 may absorb heat through a physical process or a chemical reaction process, control the physical state change and the circulation flow of the heat transfer medium, change the temperature and the physical state of the heat transfer medium, and discharge cooled gas to a fixed inner space through heat exchange of air, thereby achieving refrigeration.

The existing heat exchange device with the functions of refrigeration and heating, such as a heat pump type air conditioner, wherein the heating unit and the refrigerating unit share a set of refrigerant circulation system, so that the heating unit and the refrigerating unit are not detachable, and the refrigerating unit or the heating unit cannot be selected in a targeted manner according to the actual requirements of a temporary medical service unit; and the heat pump type air conditioner comprising the indoor unit and the outdoor unit has a complex structure, is inconvenient to install or transfer, and is difficult to meet the use requirement of the temporary medical unit.

In view of the above technical problems, the combined heat exchange device 100 provided by the present invention further includes a mounting frame 30, the heating unit 10 and the heat exchange unit 20 capable of being used for refrigeration included in the combined heat exchange device 100 are detachably combined by the mounting frame 30, and the heating unit 10 and the heat exchange unit 20 can respectively and independently operate.

The heating unit 10 and the heat exchange unit 20 are respectively mounted on the mounting frames 30, and the plurality of mounting frames 30 can be freely combined or split; the heating function and the cooling function of the combined heat exchange device 100 are respectively realized by the independent operation of the heating unit 10 and the heat exchange unit 20, wherein the operation or the shutdown of one unit does not influence the operation of the other unit, and the shutdown of the other unit.

By means of the arrangement, the combined heat exchange device 100 has the functions of heating and refrigerating through the mode that the heat exchange unit 20 and the heating unit 10 are detachably combined through the mounting frame 30, so that the conventional heat pump type air conditioner is replaced. The combined heat exchange device 100 breaks through the non-detachable limit between the heating unit and the refrigerating unit of the existing heat pump type air conditioner, and realizes the independent modular design of the heating unit 10 and the heat exchange unit 20. Even if the heating unit 10 is detached from the heat exchange unit 20, the operation of the heating unit 10 or the heat exchange unit 20 is not affected, so that the heating unit 10 and/or the heat exchange unit 20 can be flexibly selected and combined according to actual requirements, and the problems that the conventional heat pump type air conditioner is inconvenient to transport and transfer or is inconvenient to install in a temporary medical service unit can be solved; in addition, according to the actual demand and climate conditions of the temporary medical service unit, heat exchange devices with different types, different powers or different heat exchange effects can be flexibly arranged for the heating unit 10 or the heat exchange unit 20 so as to meet the demand of the outdoor temporary medical service unit under the extreme climate conditions.

In particular, for more critical use cases of refrigeration demand, the heat exchange unit 20 may be transported only to the site to reduce transportation workload; the heat exchange unit 20 with higher power and the heating unit 10 with lower power can be combined and transported to the site together, so that energy sources are reasonably utilized, and the situation with more urgent heating requirements is the same; for the heating operation condition with extremely low outside air temperature, other types of heating equipment different from the heat pump type air conditioning component, such as a fuel oil heater, a fuel gas heater, an electromagnetic heater, a resistance heater and the like, can be arranged for the heating unit, so that the heating effect is better, the heating unit can be suitable for an environment with lower outside air temperature, and similarly, for the refrigerating operation condition with extremely high outside air temperature, a refrigerating heat exchange device which is different from the heat pump type air conditioner, has higher power and has more stable refrigerating effect can be selected, so that the refrigerating/heating effect of the combined heat exchange device 100 in an extreme environment is improved.

The mounting frame 30 is used for mounting the heating unit 10 or the heat exchange unit 20, and may be a frame having a certain accommodating space or a platform device capable of being detachably combined. It is within the scope of the present invention as long as it can be used for mounting and detachably combining the heating unit 10 or the heat exchange unit 20 as a whole.

In one embodiment, the mounting frame 30 includes two boxes 31, and the heating unit 10 and the heat exchange unit 20 are respectively accommodated in the two boxes 31, and the two boxes 31 are stacked and detachably connected. The heating unit 10 and the heat exchange unit 20 are detachably combined by accommodating their respective cases 31.

The box 31 can better protect the heating unit 10 or the heat exchange unit 20, and avoid the operation interference and damage of the heating unit 10 or the heat exchange unit 20 from the outside; in addition, the heating unit 10 and the heat exchange unit 20 are accommodated in the box 31, so that transportation, stacking or warehousing and storage are facilitated, the combined type heat exchange device 100 occupies smaller and more regular space after the accommodating heating unit 10 and the box 31 of the heat exchange unit 20 are combined, and the combined type heat exchange device is more convenient to place on a use site; in addition, the heating unit 10 and the heat exchange unit 20 are integrally arranged in the box 31, so that the assembly and disassembly procedures of the combined heat exchange device 100 are simplified, and the assembly and disassembly are more convenient.

Specifically, the cases 31 accommodating the heating units 10 and Rong Zhihuan of the heating units 20 are vertically stacked. So set up, the combined heat exchange device 100 is more firm, also more convenient for dismantle the connection between two boxes 31. The two cases 31 may be detachably connected in various forms, and may be fixedly connected by a screw assembly, or may be fastened or tightly fitted to each other, or may be bound by a flexible binding material, or may be connected by a clamp assembly having a locking function.

It should be understood that the mounting frame 30 may not include the case 31, that is, the heating unit 10 and the heat exchange unit 20 may be disposed only in the detachably combined mounting frame 30. The mounting frame 30 may be a platform, a frame or other form of device having a carrying function and being detachably combined, so long as the heating unit 10 and the heat exchange unit 20 can be detachably combined through the mounting frame 30, and the heating unit 10 and the heat exchange unit 20 can independently operate, which is not limited to the present embodiment. In the following embodiments, the mounting frame 30 includes a box 31, and the heating unit 10 and the heat exchange unit 20 are disposed in the box 31, and for other embodiments that do not include the box 31, no description will be given.

In one embodiment, the case 31 is provided with a first air port 311 and a second air port 312, and the first air port 311 and the second air port 312 are respectively disposed on two adjacent side portions of the case 31.

The arrangement is that the first air port 311 and the second air port 312 facilitate the circulating flow of air between the indoor and the heating unit 10 or the heat exchange unit 20, so as to ensure the relatively stable indoor temperature during the operation of the combined heat exchange device 100; in addition, the soft air pipe can be connected to the outer side of the first air port 311 or the second air port 312, that is, the combined heat exchange device 100 is communicated with the room through the soft air pipe connected to the first air port 311 and the second air port 312, so that the combined heat exchange device 100 can be arranged outdoors without occupying the indoor space of the temporary medical service unit; the first air port 311 and the second air port 312 are arranged on two adjacent side parts of the box body 31, so that the soft air pipe can be conveniently and quickly connected.

In the operation process of the combined heat exchange device 100, air can enter and exit the box 31 through the first air port 311 or the second air port 312, so that the circulating flow of indoor air is realized, the continuous operation of the heating unit 10 or the heat exchange unit 20 in the box 31 is ensured, and the stop of heating or refrigerating working conditions is avoided; for different boxes 31 containing the heating unit 10 and the heat exchange unit 20, two boxes 31 may be respectively connected with a soft air pipe, or the two boxes 31 may share a set of soft air pipe. When the temporary medical service unit has the heating or cooling requirement, the soft air pipe can be switched and installed on the first air port 311 and the second air port 312 of different box bodies 31, and the box bodies 31 connected with the soft air pipe are switched according to the cooling or heating change.

In the present embodiment, the air heated or cooled by the heating unit 10/heat exchanging unit 20 enters the room through the first air port 311, the low-temperature or high-temperature gas in the room enters the case 31 through the second air port 312 to perform the next heat exchanging process, and the process is reciprocally performed, so that the indoor air and the gas participating in the heat exchanging of the case 31 repeatedly circulate along the above-mentioned paths, thereby realizing the continuous heating or cooling of the room by the heating unit 10 or the heat exchanging unit 20. In other embodiments, the air heated or cooled by the heating unit 10/heat exchanging unit 20 may be introduced into the chamber through the second air port 312, and the low-temperature or high-temperature gas in the chamber may be introduced into the case 31 through the first air port 311, not limited to the gas flow direction in the present embodiment.

Further, the outer peripheral wall of the first tuyere 311 and/or the second tuyere 312 extends outwardly and forms an air guiding portion 313.

So arranged, the air guiding portion 313 facilitates the air entering and exiting the first air opening 311 and/or the second air opening 312 to play a guiding role; in addition, when the combined heat exchange device 100 is disposed outdoors and is connected with the soft air pipe outside the first air port 311 or the second air port 312 to communicate indoors, the air guide portion 313 can be matched with the end portion of the soft air pipe, so that the soft air pipe can be conveniently and firmly connected with the outer side of the first air port 311 or the second air port 312, the soft air pipe is prevented from loosening and shaking relative to the first air port 311 or the second air port 312, and extrusion or abrasion of the edge of the first air port 311 or the second air port 312 to the soft air pipe can be reduced.

Specifically, the air guiding portion 313 may be a straight pipe section or a curved pipe section; the cross-sectional shape of the air guide 313 matches the shape of the first tuyere 311 or the second tuyere 312; the axial length of the air guiding portion 313 may also be designed according to the actual use and installation requirements in the field.

Referring to fig. 3 to 4, fig. 3 is a schematic view illustrating a second perspective view of the combined heat exchanging device 100 shown in fig. 1, and fig. 4 is a schematic view illustrating a third perspective view of the combined heat exchanging device 100 shown in fig. 1.

Further, a ventilation window 33 is provided on the case 31, and the ventilation window 33 is provided on a side portion of the case 31; after the two boxes 31 are stacked, the positions of the first air port 311, the second air port 312 and the ventilation window 33 of the two boxes 31 are respectively located on the same side of the mounting frame 30.

The arrangement ensures that the heat exchange equipment in the heating unit 10 or the heat exchange unit 20 is fully contacted with the outside air by the first air port 311 and the second air port 312, improves the heat exchange efficiency between the heat exchange equipment and the air, and simultaneously ensures that the heat exchange equipment and the outside air can keep continuous heat exchange in the operation process of the combined heat exchange device 100, thereby ensuring the room temperature in the temporary medical service unit to be stable; in addition, after a plurality of boxes 31 are stacked and arranged, the positions of the first air port 311, the second air port 312 and the ventilation window 33 are respectively located on the same side of the mounting frame 30, so that on-site personnel can conveniently and rapidly connect the soft air pipe with the corresponding first air port 311 or second air port 312, and the arrangement and connection of the boxes 31 and the soft air pipe are more convenient and time-saving.

Specifically, the box 31 is further provided with a filter screen, and the filter screen is respectively located at the first air port 311, the second air port 312 and/or the ventilation window 33. The filter screen can filter out dust and impurities entering the box 31 or flowing out of the air from the box 31, so that indoor air is prevented from being polluted when the combined heat exchange device 100 is operated, dust and impurities are prevented from entering the heating unit 10 or the heat exchange unit 20, and the service life of the combined heat exchange device 100 is prolonged.

In the present embodiment, the mounting bracket 30 is integrally provided with the case 31, that is, the mounting bracket 30 is provided with a receiving space, and forms an outer frame of the case 31. It will be appreciated that the mounting frame 30 and the box 31 may be separately provided, for example, the mounting frame 30 carries the box 31 for accommodating the heating unit 10 or the heat exchange unit 20, and the box 31 is detachably and fixedly connected with the mounting frame 30. The following embodiments are all based on the fact that the mounting frame 30 and the case 31 are integrally provided, and the embodiments in which the mounting frame 30 and the case 31 are separately provided will not be described in detail.

Further, the box 31 further includes a supporting frame 34, the supporting frame 34 includes a plurality of supporting rods 341, and the plurality of supporting rods 341 are respectively distributed on edges of the box 31 to form the supporting frame 34.

So arranged, the structure of the box 31 is simple, the supporting rod 341 is easy to obtain, the box 31 is convenient to manufacture and the cost is lower; in addition, the structure of the box 31 is more stable, the supporting frame 34 formed by the supporting rods 341 has better bearing capacity, a plurality of boxes 31 can be stacked and placed conveniently, and the supporting rods 341 can bear the weight of the box 31 above.

Specifically, the box 31 is provided with a steel plate, the steel plate is fixedly connected to the supporting frame 34 to form the outer wall of the box 31, and the heating unit 10 or the heat exchange unit 20 is accommodated in a cavity defined by the steel plate and the supporting frame 34. So set up, box 31 can cladding heating unit 10 or heat transfer unit 20 have better protection effect, prevent that external environmental factor or human factor from influencing and leading to heating unit 10 or heat transfer unit 20 impaired to improve combined heat transfer device 100's life and operating stability.

In one embodiment, the case 31 further includes a rotation handle 342, and the rotation handle 342 is rotatably coupled to the support bar 341 at the side of the case 31. The rotational connection point of the rotation handle 342 and the case 31 is located on the support bar 341 on the side of the case 31, and can be rotated to a horizontal state with respect to the case 31 for easy holding and carrying, and also rotated to a vertical state so as to be parallel to the support bar 341 on the side of the case 31.

So configured, the handle 342 is conveniently held during transportation to effect transfer of the heating unit 10 or the heat exchange unit 20 within a short distance; in addition, the rotating handle 342 can rotate relative to the box 31, when the box 31 is carried, the rotating handle 342 can be rotated and folded at the side part of the box 31, so that the occupied space of the box 31 is reduced, and meanwhile, the influence of the rotating handle 342 on passing people can be avoided; in addition, the rotation handle 342 can be provided to the support bar 341 located at the side of the case 31 to secure connection reliability of the rotation handle 342.

In one embodiment, the combined heat exchange device 100 further includes a fixing handle 343, where the fixing handle 343 is fixedly disposed on the supporting rod 341 relatively near the top of the box 31 at the side of the box 31.

So arranged, the fixed handle 343 is convenient for a person to hold, thereby realizing the transfer of the heating unit 10 or the heat exchange unit 20; in addition, the fixing handle 343 is also beneficial to binding the plurality of boxes 31 through ropes or chains and is also beneficial to lifting the boxes 31. Particularly in the case where the terrain is complex or there is a large vertical height difference, the manner of lifting the box 31 can reduce the time and manpower and material resources required for transferring the box 31 in the case where the box 31 is not convenient for horizontal transfer.

In one embodiment, the top of the box 31 extends outwards to form a positioning block 344, and a positioning groove 345 is formed at the bottom of the box 31; the locating block 344 mates with the locating slot 345.

When a plurality of boxes 31 are stacked, the positioning block 344 of one box 31 is matched with the positioning groove 345 of the adjacent box 31 above, and the transverse displacement between two adjacent stacked boxes 31 is limited by the mutually matched positioning groove 345 and positioning block 344.

The plurality of boxes 31 are stacked more firmly, the overall stability of the combined heat exchange device 100 is higher, and even if the combined heat exchange device 100 is transported in a rugged environment, the plurality of boxes 31 are not easy to shake relatively, so that the combined heat exchange device is more convenient to transport, and the hidden danger of the boxes 31 sliding down is reduced; in addition, the universality of the box body 31 is improved, namely, the combined heat exchange device 100 can select one box body 31, and a plurality of box bodies 31 can be combined or exchanged at will, and the installation position of each box body 31 is not limited, so that the cost of the combined heat exchange device 100 is greatly reduced.

Specifically, the positioning block 344 extends outwards from the end of the supporting rod 341, the positioning groove 345 is formed at the bottom of the supporting rod 341, and the positioning block 344 can be abutted against the side wall of the positioning groove 345 after the plurality of boxes 31 are stacked.

By the arrangement, the box body 31 can be manufactured more conveniently, and the positioning blocks 344 and the positioning grooves 345 can be respectively arranged at the two ends of the same supporting rod 341 positioned at the side edges of the box body 31, so that the manufacturing cost of the box body 31 is greatly reduced.

Specifically, the supporting rod 341 is an angle steel, the cross section of which is L-shaped, the positioning block 344 extends outwards from the end of the supporting rod 341, and the cross section of which is the same as the cross section of the supporting rod 341 and is also L-shaped; the positioning groove 345 is formed at the bottom end of the side supporting rod 341 of the box 31, and the shape of the positioning groove is matched with the L-shaped positioning block 344.

The positioning block 344 and the supporting rod 341 can be integrally formed, so that the manufacturing cost of the box 31 can be remarkably reduced; in addition, the positioning block 344 can be abutted against the positioning groove 345 at the bottom of the other box body 31 through the L-shaped inner wall, and after the box body 31 is stacked, the side edges of the combined heat exchange device 100 are flat, so that the damage to the passing personnel can be avoided.

In one embodiment, the combined heat exchange device 100 further includes a buckle (not shown), the buckle includes a turnover portion and a connection portion, the turnover portion and the connection portion are respectively fixedly mounted on the two cases 31, and the turnover portion can rotate relative to the connection portion and is clamped to the connection portion. Between two adjacent stacked cases 31, the turnover part is fixedly provided at the side wall of the case 31 below thereof, and the connection part is fixedly provided at the side wall of the case 31 above thereof.

So set up, through rotating the upset portion, make upset portion lock in connecting portion or take off from connecting portion, realized heating unit 10 and heat exchange unit 20 between be connected or dismantle. The detachable connection of the heating unit 10 and the heat exchange unit 20 is realized through the hasp, the structure is simpler, the disassembly and assembly process is simpler and faster, the operation is easy, the disassembly and assembly time in the transportation and the field arrangement process can be greatly saved, and non-professional personnel can also easily operate, so that the usability of the combined heat exchange device 100 is improved.

Specifically, the buckle is provided to the supporting bar 341, that is, between two adjacent stacked cases 31, the turning portion is fixedly provided to the supporting bar 341 of the case 31 below thereof, and the connecting portion is fixedly provided to the supporting bar 341 of the case 31 above thereof.

So set up, the installation of upset portion and connecting portion is more firm, and bracing piece 341 has better bearing capacity, can prevent upset portion or connecting portion from taking off from box 31 to guarantee the operational reliability of combination formula heat transfer device 100.

It is understood that, between two adjacent stacked cases 31, the turnover part may be fixedly disposed on the side wall of the case 31 above the turnover part, and the connection part may be fixedly disposed on the side wall of the case 31 below the turnover part, not being limited to the present embodiment; the boxes 31 may be connected by other detachable connection methods, such as screw connection, or by providing a positioning pin, which is not limited to the snap connection described in this embodiment, and the boxes 31 of the following embodiments are all connected by the snap connection, so that the details of other detachable connection schemes will not be repeated.

In one embodiment, the heating unit 10 includes a fuel heater, and the tank 31 is provided with a fuel filler 36, where the fuel filler 36 is located at the top or side of the tank 31.

The arrangement is that the fuel filling port arranged at the side part or the top of the box body 31 is convenient for on-site personnel to quickly supply fuel to the fuel heater, the box body 31 containing the fuel heater does not need to be detached, and the fuel heater does not need to be taken out from the box body 31, so that the fuel filling time is saved, the workload of the on-site personnel is greatly reduced, the fuel filling program is simplified, and the use convenience of the combined heat exchange device 100 is further improved; in addition, the heating unit 10 using the fuel heater has a better heat generating effect, and the fuel heater can be operated even under the condition of an extremely low outdoor temperature as compared with the heat pump type air conditioner; the fuel oil and air combustion reaction generates heat, so that great consumption and dependence on electric energy are avoided.

Preferably, the fueling port 36 is located on the side of the housing 31 to facilitate quick completion of fueling by field personnel, reducing fueling effort.

Further, the tank 31 for accommodating the heating unit 10 further includes a fuel tank, and the fuel filler 36 is communicated with the fuel tank, and the fuel tank may be disposed inside the fuel heater or may be independently disposed outside the fuel heater.

So arranged, the heating unit 10 can be selected from a plurality of different types of fuel oil heaters, for example, a fuel oil heater of a built-in fuel tank can be selected, and a fuel oil heater independent of the fuel tank can be selected, so that the heating unit 10 has better applicability in meeting the requirements of various occasions. When the heating unit 10 employs a fuel heater independent of the outside of the fuel tank, the fuel heater is connected to the fuel tank by a horizontally arranged electromagnetic pump, which can pump the fuel in the fuel tank into the fuel heater.

Further, the box 31 is further provided with an exhaust port 38, the exhaust port 38 is located at the top or side of the box 31, and the exhaust port 38 is communicated with the combustion chamber of the fuel heater.

Preferably, the exhaust port 38 is provided at a side portion of the case 31. The arrangement is convenient for arranging the pipelines of the fuel heater, shortens the path of exhaust emission flow, and realizes quick emission.

With this arrangement, the combustion exhaust gas of the fuel heater can be discharged through the exhaust port 38, and the combustion exhaust gas is prevented from accumulating in the tank 31, so that the fuel heater can be operated continuously and heated.

The box 31 is further provided with a control panel 39, and the control panel 39 is used for controlling the start and stop of the heating unit 10 or the heat exchange unit 20 and adjusting the operation condition of the heating unit 10 or the heat exchange unit 20. Specifically, the operation of the ignition plug of the fuel heater and the start and stop of the oil pumping device can be controlled by the control panel 39, and the wind power or the refrigeration temperature of the single-cooling air conditioner can be regulated by the control panel 39. The control panel 39 is located at the side of the case 31 to facilitate the quick completion of the adjustment control by the field personnel.

In one embodiment, the heat exchange unit 20 includes a cooling device and an electric heating device for cooling and heating, respectively.

Thus, the heat exchange unit 20 has both functions of cooling and heating. When the temporary medical service unit has the heating and cooling requirements, the heat exchange unit 20 of the embodiment can be directly selected without adding an additional heating unit 10. By controlling the refrigeration equipment and the electric heating equipment to operate at different time, the heat exchange unit 20 can still operate normally and independently under the split state by different functions realized by the heat exchange unit 20 in different demand time periods.

Specifically, in the present embodiment, the heating unit 10 includes a fuel heater having a combustion chamber and a heat exchange chamber provided therein, and a combustion process between air and fuel is performed in the combustion chamber and generates reaction heat; the heat exchange cavity is separated from the combustion chamber, air which does not participate in the combustion process can enter the heat exchange cavity, reaction heat in the combustion chamber is transferred to air in the heat exchange cavity, finally, the fuel heater transfers heat into the chamber through internal combustion reaction, and the air is conveyed into the chamber through the first air port 311 after being heated by the fuel heater; the indoor low-temperature gas enters the box body 31 through the second air port 312 and is heated again by the fuel heater, and the continuous heating of the indoor is realized by the process of reciprocating;

The heat exchange unit 20 includes a refrigerating device and an electric heating device. Preferably, the refrigeration device is a single-cooled air conditioner, and the electric heating device is a resistance heater. In the refrigerating process of the single-cooling air conditioner, the temperature of the air flowing through the evaporator is reduced, the cold air is conveyed into the room through the first air port 311, the high-temperature gas in the room enters the box body 31 through the second air port 312 and is cooled again by the single-cooling air conditioner, and the continuous indoor refrigeration is realized by carrying out the process repeatedly; the resistance heater generates heat and heats air by energizing the internal metal resistance wire thereof, the heated air enters the room through the first air port 311, and the low-temperature gas in the room enters the case 31 through the second air port 312 and is heated again by the resistance heater, thereby continuously heating the resistance heater. The resistance heater has higher heat efficiency and higher heat generation speed, and can realize rapid heating in a short time.

The single-cooling air conditioner and the resistance heater are respectively used for refrigerating and heating, and do not operate simultaneously.

It will be appreciated that the heat exchange device included in the heating unit 10 may be other types of heating devices, such as a gas heater, an electric heater, etc., and is not limited to the present embodiment; the heat exchange unit 20 may also include other types of refrigerating and electric heating devices as long as they can be used for refrigerating and heating, respectively, and do not operate simultaneously, and is not limited to the single-cooling type air conditioner and the resistance heater described in the present embodiment.

Referring to fig. 5, fig. 5 is a schematic diagram illustrating an operation principle of a single-cooling air conditioner 200 according to an embodiment of the invention. The single cooling type air conditioner 200 mainly includes an evaporator 210, a gas-liquid separator 220, a compressor 230, a condenser 240, a throttling element 250, a first fan 260, and a second fan 270. The refrigerant flows in the direction of the arrow in the middle.

The single-cooling air conditioner 200 can only operate under a refrigerating condition, when the operation is started, refrigerant liquid enters the evaporator 210 to evaporate and absorb heat, at the moment, the indoor air temperature is reduced, the evaporated high-temperature refrigerant enters the compressor 230 through the gas-liquid separator 220, and the compressor 230 discharges high-temperature high-pressure refrigerant gas; the refrigerant gas then continues to enter the condenser 240 in the direction of the arrow in fig. 5 and is condensed to release heat, thereby condensing to form a supercooled refrigerant liquid, which is depressurized by the throttling element 250 to form a low-temperature low-pressure liquid, and then the refrigerant liquid enters the evaporator 210 again for the next refrigeration cycle. The first fan 260 is for cooling air flowing into the evaporator 210 and delivering the cooled air into the room, and the second fan 270 is for discharging the high temperature gas passing through the condenser 240 to the external atmosphere, and the throttling element 250 may be an expansion valve.

The present embodiment is directed to a temporary medical service unit provided in an environment having a complicated variable temperature or having a large difference in temperature between day and night. The individual heat exchange units 20 can perform a cooling function or a heating function under cooling or heating requirements, respectively, so that the heat exchange units 20 and the combined heat exchange device 100 including the heat exchange units 20 of the present embodiment can be adapted to more complicated situations.

In one embodiment, the case 31 further includes a roller 37, and the roller 37 is detachably mounted to the bottom or side bottom end of the case 31.

The roller 37 improves the maneuverability of the combined heat exchange device 100, is convenient for transferring or transporting the combined heat exchange device 100, and the roller 37 can save more labor in transporting the combined heat exchange device 100; in addition, the heating unit 10 or the heat exchange unit 20 in the split state can be easily transferred, so that a user can conveniently adjust the combination relation between the heating unit 10 and the heat exchange unit 20 according to the actual field requirement.

Specifically, the roller 37 may be a fixed caster or a movable caster; the roller 37 can be installed at the bottom of the box body 31 through a fixed installation seat, can also be installed at the bottom of the box body 31 through a folding installation seat, the box body 31 further comprises a traction hook 346, the traction hook 346 is fixedly arranged at the edge of the box body 31, and the traction device is connected to the traction hook 346, so that the rapid transfer of the combined heat exchange device 100 is realized.

It will be appreciated that the roller 37 may be fixedly mounted to the bottom or side bottom end of the case 31, and preferably, the roller 37 is fixedly mounted to the support bar 341 at the bottom of the case 31 or fixedly mounted to the bottom end of the support bar 341 at the side of the case 31.

In one embodiment, the combined heat exchange device 100 includes a plurality of heat exchange units 20 and/or a plurality of heating units 10, and a plurality of mounting frames 30, wherein the plurality of heat exchange units 20 and/or the plurality of heating units 10 are respectively disposed on the plurality of mounting frames 30, and the plurality of mounting frames 30 are detachably combined.

The heating units 10 and/or the heat exchange units 20 can be increased or decreased or combined according to the actual use requirement through the mounting frame 30, namely, the combined heat exchange device 100 can be formed by combining the mounting frames 30 carrying the plurality of heating units 10/the plurality of heat exchange units 20/the plurality of heating units 10 and the plurality of heat exchange units 20, so as to meet the requirement of differentially heating and/or refrigerating different medical service units respectively and improve the applicability of the combined heat exchange device 100.

In one embodiment, the heating unit 10 and/or the heat exchange unit 20 is further provided with a remote communication module, and the remote communication module can wirelessly connect the control terminal with the heating unit 10 and/or the heat exchange unit 20.

By means of the arrangement, a unified data interface can be arranged for the heating unit 10 and the heat exchange unit 20, and remote wireless communication control is achieved, so that an operator can directly operate and control terminal equipment, start-stop and running states of the heating unit 10 or the heat exchange unit 20 are controlled remotely, and use convenience of the combined heat exchange device 100 is improved. Preferably, remote monitoring communication of the combined heat exchange device 100 can be realized through serial communication modes such as RS422 and RS485, and the communication signals are more stable; the terminal device may be a portable remote control device or a remote control device fixedly arranged in the temporary medical service unit.

According to the combined heat exchange device 100 provided by the invention, the combined heat exchange device 100 has the functions of heating and refrigerating by the mode of detachable combination of the heat exchange unit 20 and the heating unit 10 through the mounting frame 30, so that the existing heat pump type air conditioner is replaced. The combined heat exchange device 100 breaks through the non-detachable limit between the heating unit and the refrigerating unit of the existing heat pump type air conditioner, and realizes the independent modular design of the heating unit 10 and the heat exchange unit 20. Even if the heating unit 10 is detached from the heat exchange unit 20, the operation of the heating unit 10 or the heat exchange unit 20 is not affected, so that the heating unit 10 and/or the heat exchange unit 20 can be flexibly selected and combined according to actual requirements, and the problems that the conventional heat pump type air conditioner is inconvenient to transport and transfer or is inconvenient to install in a temporary medical service unit can be solved; in addition, according to the actual demand and climate conditions of the temporary medical service unit, heat exchange devices with different types, different powers or different heat exchange effects can be flexibly arranged for the heating unit 10 or the heat exchange unit 20 so as to meet the demand of the outdoor temporary medical service unit under the extreme climate conditions.

The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the invention and are not to be construed as limiting the invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (12)

1. A combined heat exchange device (100) for outdoor temporary construction of a place, which is characterized by comprising a heating unit (10), a heat exchange unit (20) and a mounting frame (30); the mounting frame (30) comprises two boxes (31), and the two boxes (31) are stacked and detachably connected; the heating unit (10) and the heat exchange unit (20) are respectively accommodated in the two box bodies (31), the heating unit (10) and the heat exchange unit (20) are detachably combined through the mounting frame (30), and the two units can respectively and independently operate;

The box body (31) is provided with a first air opening (311) and a second air opening (312), and the first air opening (311) and the second air opening (312) are respectively arranged on two adjacent side parts of the box body (31);

the heat exchange unit (20) comprises a refrigeration device and an electric heating device, wherein the refrigeration device and the electric heating device are respectively used for refrigeration and heating;

the combined heat exchange device can be simultaneously provided with the heating unit (10) and the heat exchange unit (20); in the case of urgent refrigeration demand, the combined heat exchange device can only be provided with the heat exchange unit (20); in the case where the heating demand is urgent, the combined heat exchange device can be mounted with only the heating unit (10).

2. The combined heat exchange device (100) according to claim 1, wherein the outer circumferential wall of the first tuyere (311) and/or the second tuyere (312) extends outwards and forms an air guiding portion (313).

3. The combined heat exchange device (100) according to claim 1, wherein a ventilation window (33) is further arranged on the box body (31), and the ventilation window (33) is arranged at the side part of the box body (31); after the two box bodies (31) are stacked, the positions of the first air opening (311), the second air opening (312) and the ventilation window (33) of the two box bodies (31) are respectively located on the same side of the mounting frame (30).

4. A combined heat exchange device (100) according to claim 3, wherein the box (31) further comprises a supporting frame (34), the supporting frame (34) comprises a plurality of supporting rods (341), and the plurality of supporting rods (341) are respectively distributed on edges of the box (31) to form the supporting frame (34).

5. The combination heat exchange device (100) of claim 4 wherein the housing (31) further comprises a rotatable handle (342), the rotatable handle (342) being rotatably connected to a support bar (341) on a side of the housing (31).

6. The combined heat exchange device (100) according to claim 4, wherein the combined heat exchange device (100) further comprises a fixed handle (343), and the fixed handle (343) is fixedly arranged on the supporting rod (341) on the side of the box body (31) relatively close to the top of the box body (31).

7. The combined heat exchange device (100) according to claim 4, wherein the top of the box body (31) extends outwards and forms a positioning block (344), and a positioning groove (345) is formed at the bottom of the box body (31); the positioning block (344) is matched with the positioning groove (345).

8. The combined heat exchange device (100) according to claim 1, wherein the combined heat exchange device (100) further comprises a buckle, the buckle comprises a turnover part and a connecting part, the turnover part and the connecting part are respectively fixedly installed on the two boxes (31), and the turnover part can rotate relative to the connecting part and is clamped to the connecting part.

9. The combined heat exchange device (100) according to claim 1, wherein the heating unit (10) comprises a fuel heater, the tank body (31) is provided with a fuel filling port (36), and the fuel filling port (36) is positioned at the top or at the side of the tank body (31).

10. The combination heat exchange device (100) of claim 1, wherein the housing (31) further comprises a roller (37), the roller (37) being removably mounted to a bottom or side bottom end of the housing (31).

11. The combined heat exchange device (100) according to claim 1, wherein the combined heat exchange device (100) comprises a plurality of heat exchange units (20) and/or a plurality of heating units (10), and a plurality of mounting frames (30), the plurality of heat exchange units (20) and/or the plurality of heating units (10) are respectively arranged on the plurality of mounting frames (30), and the plurality of mounting frames (30) are detachably combined.

12. The combined heat exchange device (100) according to claim 1, wherein the heating unit (10) and/or the heat exchange unit (20) is further provided with a remote communication module, which is capable of wirelessly connecting a control terminal with the heating unit (10) and/or the heat exchange unit (20).

Images