CN115751540B - Air energy cooling and heating integrated machine and operation method - Google Patents
Air energy cooling and heating integrated machine and operation method Download PDFInfo
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- CN115751540B CN115751540B CN202211535105.8A CN202211535105A CN115751540B CN 115751540 B CN115751540 B CN 115751540B CN 202211535105 A CN202211535105 A CN 202211535105A CN 115751540 B CN115751540 B CN 115751540B
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Abstract
The invention discloses an air energy cooling and heating integrated machine and an operation method thereof, wherein the air energy cooling and heating integrated machine comprises a machine shell, a heat pump pipeline and a heat transfer pipeline, wherein the heat pump pipeline and the heat transfer pipeline are arranged on the machine shell; the heat pump pipeline comprises a compressor, an air heat exchanger, a water heat exchanger, an expansion valve positioned between the air heat exchanger and the water heat exchanger, and four interfaces of the expansion valve are respectively connected with an inlet and an outlet of the compressor, the air heat exchanger and the water heat exchanger; the heat transfer pipeline comprises a water inlet pipeline and a water outlet pipeline which are respectively connected with the water inlet and the water outlet of the water heat exchanger, and a circulating pipeline connected between the water inlet pipeline and the water outlet pipeline, wherein the water inlet pipeline is sequentially provided with a first water valve, a water tank and a water pump along water flow, the water outlet pipeline is provided with a second water valve, the outlet of the circulating pipeline is arranged between the first water valve and the water tank, the inlet of the circulating pipeline is arranged on the upstream side of the second water valve, and the circulating pipeline is provided with a circulating water valve. The integrated energy storage buffer device is more integrated, is more convenient to install, does not need to purchase other accessories additionally, and has the functions of storing energy and buffering to reduce the starting and stopping times of the host.
Description
Technical Field
The invention relates to the field of refrigeration and heating equipment, in particular to an air energy cooling and heating integrated machine and an operation method.
Background
The traditional household refrigeration is realized by means of an air conditioner, and the household heating (floor heating) is realized by means of additional heating equipment, and the independent refrigeration and heating mode has the problems of high energy consumption and more equipment. The air energy cooling and heating supply integrated machine appears in the existing market, can realize independent heating and refrigeration, and has the characteristics of energy conservation, environmental protection and the like. However, the existing air energy cooling and heating integrated machine has the following defects in the actual use process: the user also needs to purchase external accessories such as a buffer water tank and a water pump, and a special master assembling machine is needed during installation; the integrated machine generally uses water as a heat transfer medium to realize heat exchange with the tail end equipment, and scale is extremely easy to adhere in a pipeline after long-time operation, so that the heat exchange efficiency of the heat exchange equipment is affected, and even the phenomenon of blockage is generated; if the terminal equipment works intermittently, the host in the integrated machine needs to be started and stopped frequently, so that the service life is shortened, and the energy consumption is increased.
Disclosure of Invention
The invention aims to provide an air energy cooling and heating integrated machine and an operation method thereof, which are used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides an air energy cooling and heating integrated machine, which comprises: the heat pump pipeline is arranged on the shell;
the heat pump pipeline comprises a compressor, an air heat exchanger, a water heat exchanger, an expansion valve positioned between the air heat exchanger and the water heat exchanger, and a first four-way valve with four interfaces respectively connected with an inlet and an outlet of the compressor, the air heat exchanger and the water heat exchanger; the heat pump pipeline is filled with a refrigerant;
the heat transfer pipeline comprises a water inlet pipeline and a water outlet pipeline which are respectively connected with the water inlet and the water outlet of the water heat exchanger, and a circulating pipeline connected between the water inlet pipeline and the water outlet pipeline, wherein the water inlet pipeline is sequentially provided with a first water valve, a water tank and a water pump along water flow, the water outlet pipeline is provided with a second water valve, the water tank is provided with a water supplementing port, an outlet of the circulating pipeline is arranged between the first water valve and the water tank, an inlet of the circulating pipeline is arranged on the upstream side of the second water valve, and the circulating pipeline is provided with a circulating water valve.
The air energy cooling and heating integrated machine has the beneficial effects that: the water tank and the water pump in the heat transfer pipeline are integrated in the shell along with the heat pump pipeline, so that the air energy cooling and heating integrated machine is more integrated, water is used as a refrigerating and heating medium, a user does not need to purchase external accessories such as the water tank and the water pump, the integrated machine can be used immediately after being connected with tail end equipment and a supply water source, a professional master assembling machine is not needed, the tail end equipment can be a fan coil, a floor heating pipeline, a radiator and the like, the tail end equipment is particularly connected with an interface of the first water valve and the second water valve through the pipeline to form a heat transfer loop, a supply water source supplements water to the water tank and the whole heat transfer loop through the water supplementing port, the working state of the heat pump pipeline is adjusted by switching the communication state of the first four-way valve according to different requirements in actual use, the heat pump pipeline has two working states, namely the refrigerating working state and the heating working state, the refrigerant can heat up or cool down the water through the heat exchange of the water heat exchanger and the water in the heat transfer loop, and the water heat exchange is transferred to the tail end equipment to perform heat exchange after the water and the water heat exchanger, so that the water is heated or the heat is transferred to the water is arranged at the water tank side after the water tank is heated, and the water is arranged at the water tank side of the water tank side has the water tank has the effect of the heat-absorbing effect.
Meanwhile, the technology is provided with the circulating pipeline, which is mainly suitable for the condition that the tail end equipment intermittently works, when the tail end equipment does not need to conduct heat transfer, the tail end equipment does not need to flow water, but in order to avoid the loss of a compressor caused by frequent starting and stopping of a heat pump pipeline, the technology connects the tail end equipment in parallel through the circulating pipeline and closes a second water valve and a first water valve under the normal running state of the heat pump pipeline, a circulating loop capable of storing energy and buffering is formed by the water tank, the water pump, the water heat exchanger and the circulating pipeline, water circularly flows among the water tank, the water pump, the water heat exchanger and the circulating pipeline, and when the tail end equipment needs to work at any time, the second water valve and the first water valve are opened, and the circulating water valve is closed.
As a further improvement of the technical scheme, the heat transfer pipeline comprises a filtering pipeline with a filter, the water inlet of the water heat exchanger is provided with a third water valve, the inlet of the filtering pipeline is arranged between the inlet of the third water valve and the water pump, the filtering inlet and the filtering outlet of the filter are both provided with filtering valves, and the outlet of the filtering pipeline is arranged between the second water valve and the water outlet of the water heat exchanger.
The heat transfer pipeline in this scheme has still integrated and has had the filter pipeline, wherein the filter pipeline is provided with the filter, that is to say this all-in-one still can realize the filtration to water, in order to improve each heat transfer device's heat exchange efficiency and life, and need not external other filtration equipment, this all-in-one alone can realize filterable function, when needs carry out the filtration to heat transfer circuit's water, close the third water valve, then open two filter valves, under the operation of water pump, water can pass through the filter in order to realize the filtration, after a period of time, close two filter valves again, open the third water valve.
As a further improvement of the technical scheme, the water inlet pipeline is provided with a second four-way valve, four interfaces of the second four-way valve are respectively connected with the pipeline between the inlet and outlet of the water pump, the outlet of the water tank, the filter valve at the inlet of the filter and the third water valve, the filter is connected with a sewage pipeline with a sewage valve, and the water outlet of the water heat exchanger is provided with a fourth water valve.
After the filter is used for a period of time, impurities filtered in the filter need to be washed, the filter in the scheme adopts filtering equipment capable of realizing back washing, and under normal heat transfer operation, water flows out of the water tank and sequentially flows through the second four-way valve, the water pump, the second four-way valve and the third water valve and then enters the water heat exchanger; when the water is filtered, the fourth water valve is closed, and the second four-way valve is switched and regulated, so that the water sequentially passes through the filter, the second four-way valve, the water pump, the second four-way valve and the water tank; when the filter needs to be reversely flushed, the filter valve and the third water valve at the inlet of the filter are closed, the sewage disposal valve is opened, the second four-way valve is switched and regulated, so that water sequentially passes through the water tank, the second four-way valve, the water pump, the second four-way valve and the filter, and filtered impurities are flushed out from the sewage disposal pipeline, so that high-pressure water pressurized by the water pump can directly enter the filter to be flushed, and the effect of the reverse flushing is improved.
As a further improvement of the technical scheme, the filter comprises a shell and a back flushing filter screen which is obliquely arranged in the shell left and right, the back flushing filter screen divides the shell into a water inlet cavity and a water outlet cavity which are arranged left and right, the water inlet cavity is provided with a filtering inlet and a sewage outlet, and the water outlet cavity is provided with a filtering outlet.
The filter in this scheme is different with traditional filtration equipment existence again, the back flush filter screen in this scheme is left and right sides slope setting, one side that back flush filter screen orientation is down is close to the intake chamber, and one side that back flush filter screen orientation is ascending is close to the play water cavity, when carrying out back flushing, high-pressure wash water gets into out the water cavity after, can wash out the filtration debris that back flush filter screen is close to on one side of the intake chamber, filtration debris directly drops down, and drain in this scheme sets up in the bottom of intake chamber, filtration debris is discharged along with the sparge water from the drain, the intake chamber bottom is the hopper-shaped, can be convenient for the recovery of filtration debris like this, further improve back flushing's effect.
As a further improvement of the technical scheme, the water tank is connected with a discharge pipeline with a drain valve, and the water supplementing port is connected with a water supplementing pipeline of a water supplementing valve.
When changing water or cleaning, the drain valve can be opened to drain the water tank, the water supplementing port is connected with an external water supply source through a water supplementing pipeline, and the water supplementing valve is further arranged to control water supplementing.
As a further improvement of the technical scheme, the water tank comprises a shell, an inner container arranged in the shell, and a heat preservation layer arranged between the shell and the inner container, wherein reinforcing ribs are connected between the shell and the inner container.
The water tank in the scheme is composed of the liner and the shell, and the heat preservation layer is arranged between the liner and the shell, so that the heat preservation effect can be realized, and the water tank is mainly applicable to the state that the water tank needs to store energy and buffer; meanwhile, in order to improve the structural strength of the water tank, a reinforcing rib is further arranged between the outer shell and the inner container.
As the further improvement of above-mentioned technical scheme, the water tank bottom is provided with the fast-assembling structure, the fast-assembling structure sets up in a plurality of locking assemblies of water tank bottom periphery, the clamping table on the water tank periphery wall including annular interval, locking assembly includes fixing base, locking clamp splice, transversely acts on the elastic component between fixing base and the locking clamp splice, fixing base and casing relatively fixed, the elastic component is used for providing to the locking clamp splice and moves and press from both sides in the elasticity that resets of water tank periphery wall, the inboard top of locking clamp splice is provided with from last inwards inclined guide part, the inboard lower part of locking clamp splice is provided with the draw-in groove with the clamping table block.
The existing traditional water tank is fixed by adopting simple screws, so that the bearing capacity is weak, the installation of the water tank is easy to loosen and fall down, the installation of the water tank is inconvenient, the design concept of the integrated machine is small-sized and compact, the screw driving operation is difficult to be carried out in a narrow installation space, and whether the screws are installed in place or not is difficult to be guaranteed. This scheme has set up fast-assembling structure and has realized the quick installation of water tank, specifically: when the water tank is installed in the casing, the bottom of the water tank is sleeved between the locking clamping blocks from top to bottom, when the outer edge of the bottom of the water tank is abutted against the guide parts on the locking clamping blocks, the locking clamping blocks can be pushed outwards, the elastic piece generates elastic deformation, after the water tank is installed in place downwards, the locking clamping blocks move inwards and are clamped on the outer peripheral wall of the water tank under the action of the reset elastic force of the elastic piece, meanwhile, the clamping table is clamped with the clamping grooves on the locking clamping blocks, locking of the water tank in the upper direction and the lower direction is achieved, and clamping and locking are carried out in the transverse direction through the locking clamping blocks without other auxiliary tools.
As a further improvement of the technical scheme, the outer side wall of the locking clamp block is connected with a guide rod which is transversely arranged, the fixing seat is provided with a transversely through screw hole, the screw hole is sleeved with an adjusting sleeve, the guide rod is slidably sleeved in the adjusting sleeve, and the elastic piece acts between the inner end of the adjusting sleeve and the outer side wall of the locking clamp block.
The locking clamp splice of this embodiment realizes horizontal direction removal through the sliding fit of guide bar and adjusting sleeve, wherein the fixing base is through the adjusting sleeve that can carry out horizontal regulation come with the elastic component butt, can adjust the resilience that resets that the elastic component acted on the locking clamp splice like this, that is to say adjust the clamping force of locking clamp splice to the water tank, increase or adjust little clamping force according to actual demand to through long-time use, the resilience that resets of elastic component can decay, adjusts the resilience that resets of elastic component through rotating adjusting sleeve, in order to ensure the fastness of water tank installation.
As the further improvement of above-mentioned technical scheme, the bottom of compressor is provided with shock-absorbing structure, shock-absorbing structure includes with the base of compressor bottom relative fixation, be located base below and with casing relative fixation's bottom plate, annular interval set up a plurality of shock-absorbing connection spare between base and bottom plate, set up the shock-absorbing unit at middle part between base and bottom plate, shock-absorbing connection spare includes bolt, nut, shock-absorbing gum cover, shock-absorbing gum barrel, locates respectively two connecting holes of base and bottom plate, the shock-absorbing gum cover is located in the connecting hole of base, shock-absorbing gum cover upper end periphery protruding be equipped with the step of base conflict, the shock-absorbing gum barrel is located between two connecting holes, the bolt passes behind shock-absorbing gum cover, the connecting hole of shock-absorbing gum barrel, below in proper order with nut threaded connection, shock-absorbing unit includes annular shock-absorbing gum ring, the upper and lower both ends face of shock-absorbing gum ring respectively with base, bottom plate butt.
Considering that the compressor can produce bigger vibrations when the operation, if do not set up the absorbing function, can greatly reduced compressor's life and make the operation noise increase of complete machine, this scheme is disclosed a new shock-absorbing structure, and it is also convenient to install, when the installation, with the connecting hole of shock attenuation gum cover suit at the base, the step of shock attenuation gum cover upper end is contradicted with the top surface of base, and the shock attenuation packing element just sets up between two connecting holes from top to bottom, and set up with the connecting hole relatively, the bolt passes the shock attenuation gum cover from top to bottom in proper order, the shock attenuation packing element, after the connecting hole of below again with nut threaded connection, do not have the part of rigid contact between bolt and the base like this, make the shock-absorbing effect better, simultaneously, in order to improve the supporting effect to the compressor, still be equipped with the shock attenuation gum ring between base bottom surface and bottom plate top surface, the upper and lower both ends face of shock attenuation gum ring respectively with base, the bottom plate butt, the shock attenuation gum ring sets up between a plurality of shock attenuation connecting pieces.
Further, the annular clamping groove is formed in the bottom surface of the base, and the damping rubber ring can be sleeved in the annular clamping groove to achieve limit installation and avoid displacement in the use process.
The invention also provides an operation method of the air energy cooling and heating integrated machine, which adopts the air energy cooling and heating integrated machine, and the specific operation method is as follows:
firstly, connecting a first water valve interface and a second water valve interface with terminal equipment, forming a heat transfer loop by a heat transfer pipeline and the terminal equipment, and connecting a water supply port with a water supply source;
when cooling is needed, the low-temperature refrigerant in the heat pump pipeline is subjected to heat exchange and cooling on water in the heat transfer loop through the water heat exchanger by switching the first four-way valve;
when heat supply is needed, the high-temperature refrigerant in the heat pump pipeline is subjected to heat exchange and heating on water in the heat transfer loop through the water heat exchanger by switching the first four-way valve;
when the water pump is operated, water circulates among the water heat exchanger, the tail end equipment and the water tank to realize cooling and heating;
when the terminal equipment needs to stop heating and cooling in a short time, the first water valve and the second water valve are closed, the circulating water valve is opened, water circulates between the water heat exchanger and the water tank, and at the moment, the heat pump pipeline is kept in a working state;
when water in the heat transfer loop is required to be filtered, the fourth water valve is closed, the two filter valves are opened, the second four-way valve is switched, and the water sequentially circulates through the water tank, the tail end equipment and the filter;
When the filter needs to be reversely flushed, the second four-way valve is switched, the filter valve and the third water valve of the inlet of the filter during the filtering of the water in the heat transfer loop are closed, the blow-down valve is opened, and the water in the water tank enters the back flushing filter screen from the original outlet of the filter after being pressurized by the water pump.
The beneficial effects of the invention are as follows: the air energy cooling and heating integrated machine is more integrated, is more convenient to install, does not need to purchase other accessories additionally, has the functions of energy storage and buffering to reduce the starting and stopping times of a main machine, filtering and back flushing, optimizes the shock absorption of the compressor and the installation of the water tank, and achieves the quick assembly of the water tank and the effective shock absorption function of the compressor.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of an embodiment of an air energy cooling and heating integrated machine according to the present invention;
FIG. 2 is a cross-sectional view of one embodiment of the tank provided by the present invention;
FIG. 3 is an enlarged partial view of portion A of FIG. 2;
FIG. 4 is a cross-sectional view of one embodiment of a shock absorbing structure provided by the present invention;
FIG. 5 is a schematic view of a filter according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a flow of a refrigerant during cooling of a heat pump pipeline according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a flow of a refrigerant when a heat pump pipeline of an embodiment of the air-energy cooling/heating integrated machine provided by the present invention supplies heat;
FIG. 8 is a schematic diagram of water flow during normal cooling or heating of a heat transfer circuit of an embodiment of the air energy cooling and heating integrated machine provided by the present invention;
FIG. 9 is a schematic diagram of water flow of an embodiment of the air energy cooling and heating integrated machine according to the present invention when water is circulated between a water heat exchanger and a water tank for energy storage;
FIG. 10 is a schematic diagram of water flow during water filtration of a heat transfer circuit of an embodiment of an air energy cooling and heating integrated machine according to the present invention;
FIG. 11 is a schematic view of water flow during back flushing of a filter in an embodiment of an air energy cooling and heating all-in-one machine according to the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 11, an air-source cooling and heating all-in-one machine of the present invention makes the following embodiments:
the air energy cooling and heating integrated machine of the embodiment comprises a machine shell 100, a heat pump pipeline 200 and a heat transfer pipeline 300, wherein the heat pump pipeline 200 and the heat transfer pipeline 300 are integrally arranged in the machine shell 100.
As shown in fig. 1, 6 and 7, the heat pump circuit 200 of the present embodiment includes a compressor 210, an air heat exchanger 220, a water heat exchanger 230, an expansion valve 240 and a first four-way valve 250.
Wherein the air heat exchanger 220 is configured with blowers, the present embodiment provides two blowers to purge and dissipate heat from the air heat exchanger 220 to improve the heat exchange efficiency, and in other embodiments, one or more blowers may be provided.
The expansion valve 240 of the present embodiment is connected between the air heat exchanger 220 and the water heat exchanger 230, and the first four-way valve 250 has four ports, two of which are connected to the inlet and the outlet of the compressor 210, respectively, and the other two ports are connected to the air heat exchanger 220 and the water heat exchanger 230, so that a closed-loop heat pump pipeline 200 is formed, and the heat pump pipeline 200 is filled with a refrigerant.
The heat pump pipeline 200 in this embodiment has two working states, namely a cooling working state and a heating working state, and the switching of the two working states is mainly achieved through the first four-way valve 250, specifically:
as shown in fig. 6, when the heat pump pipeline 200 needs to be switched to the cooling operation state, the first four-way valve 250 is switched to the state that the inlet of the compressor 210 is communicated with the refrigerant side outlet of the water heat exchanger 230, the outlet of the compressor 210 is communicated with the inlet of the air heat exchanger 220, the refrigerant is compressed and pressurized by the compressor 210, then is radiated by the air heat exchanger 220, and then is throttled by the expansion valve 240 to become a low-temperature low-pressure refrigerant, and the low-temperature refrigerant exchanges heat with the heat transfer pipeline 300 by the water heat exchanger 230.
As shown in fig. 7, when the heat pump pipeline 200 needs to be switched to the heating operation state, the first four-way valve 250 is switched to the state that the inlet of the compressor 210 is communicated with the air heat exchanger 220, the outlet of the compressor 210 is communicated with the water heat exchanger 230, the refrigerant is compressed and pressurized by the compressor 210 to form a high-temperature refrigerant, the high-temperature refrigerant exchanges heat with the heat transfer pipeline 300 by the water heat exchanger 230, and then the high-temperature refrigerant is throttled by the expansion valve 240 to become a low-temperature low-pressure refrigerant, and the low-temperature refrigerant exchanges heat and rises in temperature by the air heat exchanger 220.
As shown in fig. 1 and 8, the heat transfer pipeline 300 of the present embodiment includes a water inlet pipeline 310, a water outlet pipeline 320 and a circulating pipeline 330, wherein the water inlet pipeline 310 is connected with an inlet of the water side of the water heat exchanger 230, and the water outlet pipeline 320 is connected with an outlet of the water side of the water heat exchanger 230, wherein the water inlet pipeline 310 includes a first water valve 311, a water tank 312 and a water pump 313, the first water valve 311, the water tank 312 and the water pump 313 are sequentially connected along water flow, and the water outlet pipeline 320 is provided with a second water valve 321, and the water tank 312 is provided with a water supplementing port.
And the water inlet pipeline 310 and the water outlet pipeline 320 of the embodiment are respectively provided with an outer joint arranged on the outer wall of the casing 100. In use, the end device is connected to the external fitting by a conduit, wherein the end device may be a fan coil, a floor heating conduit, a radiator, or the like.
And the outlet of the circulation pipe 330 is connected to the pipe between the first water valve 311 and the water tank 312, the inlet of the circulation pipe 330 is connected to the second water valve 321 and the pipe of the outlet of the water side of the water heat exchanger 230, and the circulation pipe 330 is provided with a circulation water valve 331.
In this embodiment, the water tank 312 and the water pump 313 in the heat transfer pipeline 300 are integrated in the casing 100 along with the heat pump pipeline 200, so that the air energy cooling and heating integrated machine is more integrated, water is used as a cooling and heating medium, a user does not need to purchase external accessories such as the water tank 312 and the water pump 313, and the integrated machine can be used immediately after being connected with terminal equipment and a supply water source, and a special master is not required to assemble the machine.
When in use, the terminal device is connected with the interfaces of the first water valve 311 and the second water valve 321 through the pipeline to form a heat transfer loop, the water supply source supplements water to the water tank 312 and even the whole heat transfer loop through the water supplementing port, in actual use, the working state of the heat pump pipeline 200 is adjusted by switching the communication state of the first four-way valve 250 according to different requirements, wherein the heat pump pipeline 200 has two working states, namely a refrigeration working state and a heating working state, the refrigerant exchanges heat with water in the heat transfer loop through the water heat exchanger 230 and can heat up or cool down the water, as shown in fig. 8, under the operation of the water pump 313, the water exchanges heat with the water heat exchanger 230 and then is conveyed to the terminal device for heat exchange so as to realize the heat transfer effect of heating or refrigerating, the water after heat transfer flows back to the water tank 312, and the water tank 312 is arranged at the inlet side of the water pump 313 for buffering.
The circulation pipe 330 provided in the present technology is mainly suitable for the case when the terminal device is intermittently operated, when the terminal device does not need to perform heat transfer, no water is required to flow through the terminal device, but in order to avoid the loss of the compressor 210 caused by frequent start-stop of the heat pump pipe 200, the terminal device is connected in parallel through the circulation pipe 330 and the second water valve 321 and the first water valve 311 are closed as shown in fig. 9 in a state of maintaining the normal operation of the heat pump pipe 200, the water tank 312, the water pump 313, the water heat exchanger 230 and the circulation pipe 330 at this time form a circulation loop capable of storing and buffering energy, and water circulates among the water tank 312, the water pump 313, the water heat exchanger 230 and the circulation pipe 330, and when the terminal device needs to operate at any time, the second water valve 321 and the first water valve 311 are opened and the circulation water valve 331 is closed.
Further, the heat transfer pipeline 300 of the present embodiment further integrates a filtering pipeline 340, where the filtering pipeline 340 is provided with a filter 341, that is, the present integrated machine can also filter water, so as to improve the heat exchange efficiency and service life of each heat exchange device, and no external filtering device is needed, and the present integrated machine alone can realize the filtering function.
The water inlet of the water heat exchanger 230 of the embodiment is provided with a third water valve 231, the water outlet of the water heat exchanger 230 is provided with a fourth water valve 232, the inlet of the filtering pipeline 340 is connected to the pipeline between the inlet of the third water valve 231 and the water pump 313, and the outlet of the filtering pipeline 340 is connected to the pipeline between the second water valve 321 and the water outlet of the water heat exchanger 230.
When it is desired to filter the water of the heat transfer circuit, the third water valve 231 is closed and then both filter valves 342 are opened, and the water can pass through the filter 341 to be filtered under the operation of the water pump 313, and after a period of time, both filter valves 342 are closed and the third water valve 231 is opened. The above is an embodiment in which the second four-way valve 314 is not provided.
In some embodiments, after the filter 341 is used for a period of time, impurities filtered inside the filter 341 need to be washed, the filter 341 in this embodiment adopts a filtering device capable of implementing back washing, the water inlet pipeline 310 further includes a second four-way valve 314, the second four-way valve 314 also has four interfaces, two interfaces of the second four-way valve 314 are respectively connected with an inlet and an outlet of the water pump 313, the other two interfaces of the second four-way valve 314 are connected with the outlet of the water tank 312, a filtering valve 342 at the inlet of the filter 341 and a pipeline between the third water valve 231, the inlet of the filter 341 is an inlet of the filtering mode, and in this embodiment, the second four-way valve 314 is provided to exchange the inlet and the outlet of the filter 341.
And the filter 341 is connected with a drain pipe provided with a drain valve 343.
As shown in fig. 5, the specific structure of the filter 341 in this embodiment is: the filter comprises a shell 344 and a back flushing filter screen 345 arranged in the shell 344, wherein the back flushing filter screen 345 is obliquely arranged left and right, so that the shell 344 is divided into a water inlet cavity and a water outlet cavity by the back flushing filter screen 345, the water inlet cavity is provided with a filtering inlet 346 and a sewage outlet 347, and the water outlet cavity is provided with a filtering outlet 348.
The filter 341 of this embodiment is different from the traditional filtering device, the back flush filter 345 in this scheme is inclined left and right, one side of the back flush filter 345 facing downwards is close to the water inlet cavity, and one side of the back flush filter 345 facing upwards is close to the water outlet cavity, when back flushing is performed, high-pressure flushing water enters the water outlet cavity, filtered impurities on one side of the back flush filter 345 close to the water inlet cavity can be flushed out, the filtered impurities directly drop downwards, and the drain outlet 347 in this scheme is arranged at the bottom of the water inlet cavity, the filtered impurities are discharged from the drain outlet 347 along with flushing water, and the bottom of the water inlet cavity is funnel-shaped, so that the filtered impurities can be conveniently recovered, and the back flushing effect is further improved.
Under normal heat transfer operation, as shown in fig. 8, water flows out of the water tank 312, flows through the second four-way valve 314, the water pump 313, the second four-way valve 314 and the third water valve 231 in sequence, and then enters the water heat exchanger 230;
when filtering water, as shown in fig. 10, the fourth water valve 232 is closed, and the second four-way valve 314 is switched and regulated, so that the water sequentially passes through the filter 341, the second four-way valve 314, the water pump 313, the second four-way valve 314 and the water tank 312;
when the filter 341 needs to be backwashed, as shown in fig. 11, the filter valve 342 and the third water valve 231 at the inlet of the filter 341 are closed, the drain valve 343 is opened, the second four-way valve 314 is switched and regulated, so that water sequentially passes through the water tank 312, the second four-way valve 314, the water pump 313, the second four-way valve 314 and the filter 341, and then filtered impurities are washed out from the drain pipeline, so that high-pressure water pressurized by the water pump 313 can directly enter the filter 341 for washing, and the effect of backwashed is improved.
The water tank 312 of the present embodiment is connected with a drain pipe, the drain pipe is provided with a drain valve 3123, and the water replenishment port is connected with a water replenishment pipe, the water replenishment pipe is provided with a water replenishment valve 3122, when water is changed or cleaned, the water replenishment port is connected with a supply water source of the external device through the water replenishment pipe by opening the drain valve 3123, and the water replenishment valve 3122 is also provided to control water replenishment, in some embodiments, a liquid level sensor may be provided in the water tank 312, and the opening and closing of the water replenishment valve 3122 is controlled through the liquid level sensor.
As shown in fig. 2, the water tank 312 of the embodiment is formed by the inner container 3125 and the outer shell 3124, and the heat-insulating layer 3128 is further disposed between the two, so that a heat-insulating effect can be achieved, which is mainly applicable to a state in which the water tank 312 needs to store energy and buffer.
Meanwhile, in order to enhance the structural strength of the water tank 312, a reinforcing rib 3126 is further provided between the outer case 3124 and the inner container 3125, and the number of reinforcing ribs 3126 may be plural.
The existing traditional water tank 312 is fixed by adopting simple screws, so that the bearing capacity is weak, the installation of the water tank 312 is easy to loosen and fall down, the installation of the water tank 312 is inconvenient, the design concept of the integrated machine is small and compact, the screwing operation is difficult to be carried out in a narrow installation space, and whether the screws are installed in place is difficult to be guaranteed.
Furthermore, the present embodiment provides a quick-mounting structure to achieve quick mounting of the water tank 312, specifically: as shown in fig. 2 and 3, the bottom of the water tank 312 is provided with a quick-assembling structure including a plurality of locking assemblies 400, a clamping table 3127 protruding annularly on the outer circumferential wall of the water tank 312, a plurality of locking assemblies 400 disposed annularly at intervals at the outer side of the lower portion of the water tank 312,
the locking assembly 400 includes a fixing base 410, a locking clamp block 420, and an elastic member 430, wherein the fixing base 410 is fixed in the bottom of the casing 100, and the elastic member 430 is transversely disposed between the fixing base 410 and the locking clamp block 420, and the elastic member 430 is mainly used for providing a restoring elastic force to the locking clamp block 420 in an inward direction, so that the locking clamp block 420 can be clamped on the peripheral wall of the water tank 312.
The top of the inner side of the locking clamp block 420 is provided with a guiding portion 421 which is inclined from top to bottom and is provided with a clamping groove 422 at the lower portion of the inner side of the locking clamp block 420, wherein the clamping platform 3127 can be clamped with the clamping groove 422.
When the water tank 312 is installed in the casing 100, the bottom of the water tank 312 is sleeved between the locking clamp blocks 420 from top to bottom, wherein when the outer edge of the bottom of the water tank 312 is abutted against the guide part 421 on the locking clamp blocks 420, the locking clamp blocks 420 can be pushed outwards, the elastic piece 430 is elastically deformed, after the water tank 312 is installed in place downwards, the locking clamp blocks 420 move inwards and are clamped on the outer peripheral wall of the water tank 312 under the action of the reset elastic force of the elastic piece 430, and meanwhile the clamping table 3127 is clamped with the clamping groove 422 on the locking clamp blocks 420, so that the locking of the water tank 312 in the up-down direction is realized, and the locking is realized in the transverse direction through the plurality of locking clamp blocks 420 without other auxiliary tools.
Further, a guiding rod 423 is connected to the outer side of the locking clamp block 420, the guiding rod 423 is transversely arranged, a screw hole 411 is formed in the fixing seat 410 and transversely penetrates through the fixing seat, an adjusting sleeve 440 is connected to the screw hole 411 in a threaded mode, the guiding rod 423 is transversely and slidably sleeved in the adjusting sleeve 440, an elastic piece 430 acts between the inner end of the adjusting sleeve 440 and the outer side wall of the locking clamp block 420, and the elastic piece 430 of the embodiment is a spring sleeved on the outer periphery of the guiding rod 423.
In use, the locking clamp block 420 is slidably engaged with the adjusting sleeve 440 through the guide rod 423 to realize a lateral guiding movement, wherein the fixing seat 410 is abutted against the elastic member 430 through the adjusting sleeve 440 capable of being laterally adjusted, so that the restoring elastic force of the elastic member 430 acting on the locking clamp block 420 can be adjusted, that is, the clamping force of the locking clamp block 420 on the water tank 312 is adjusted, the clamping force is increased or decreased according to actual requirements, and after a long time of use, the restoring elastic force of the elastic member 430 is reduced, and the restoring elastic force of the elastic member 430 is adjusted by rotating the adjusting sleeve 440, so as to ensure the firmness of the installation of the water tank 312.
Considering that the compressor 210 generates relatively large vibration when running, if no damping function is provided, the service life of the compressor 210 is greatly reduced, and the running noise of the whole machine is increased, as shown in fig. 4, the novel damping structure is arranged at the bottom of the compressor 210, and the installation is very convenient.
The damping structure of this embodiment includes a base 500 and a bottom plate 600 arranged at an upper and lower interval, and a plurality of damping connection members 700 arranged between the base 500 and the bottom plate 600 at an annular interval, wherein the base 500 is fixedly connected with the bottom of the compressor 210, and the bottom plate 600 is fixed in the bottom of the casing 100.
The shock-absorbing connecting piece 700 comprises a bolt 710, a nut 720, a shock-absorbing rubber sleeve 730 and a shock-absorbing rubber sleeve 740, wherein a plurality of connecting holes 750 corresponding to the shock-absorbing connecting piece 700 are formed in the base 500 and the bottom plate 600, the shock-absorbing rubber sleeve 730 is sleeved in the connecting holes 750 of the base 500 from top to bottom, a step 731 is convexly arranged on the periphery of the upper end of the shock-absorbing rubber sleeve 730 and is abutted to the top surface of the base 500, the shock-absorbing rubber sleeve 740 is vertically arranged between the two connecting holes 750, and the bolt 710 sequentially penetrates through the shock-absorbing rubber sleeve 730, the shock-absorbing rubber sleeve 740 and the connecting holes 750 below from top to bottom and then is in threaded connection with the nut 720.
During installation, the damping rubber sleeve 730 is sleeved in the connecting hole 750 of the base 500, wherein the step 731 at the upper end of the damping rubber sleeve 730 is abutted against the top surface of the base 500, the damping rubber sleeve 740 is arranged between the upper connecting hole 750 and the lower connecting hole 750, the bolt 710 sequentially passes through the damping rubber sleeve 730, the damping rubber sleeve 740 and the connecting hole 750 below from top to bottom and then is in threaded connection with the nut 720, and therefore, the base 500 is not in rigid contact with the bolt 710 and the bottom plate 600, so that the shock filtering effect is better.
Meanwhile, in order to improve the supporting effect of the compressor 210, a damping rubber ring 800 is further disposed between the bottom surface of the base 500 and the top surface of the bottom plate 600, the upper and lower end surfaces of the damping rubber ring 800 are respectively abutted against the base 500 and the bottom plate 600, and the damping rubber ring 800 is disposed between the plurality of damping connectors 700.
Further, in this embodiment, an annular clamping groove is further provided on the bottom surface of the base 500, and the damping rubber ring 800 may be sleeved in the annular clamping groove, so as to achieve spacing installation and avoid displacement during use.
The embodiment discloses an operation method suitable for the air energy cooling and heating integrated machine, which comprises the following specific steps:
before starting up, the interfaces of the first water valve 311 and the second water valve 321 are connected with the terminal equipment, so that the heat transfer pipeline 300 and the terminal equipment form a closed-loop heat transfer circuit, the water supplementing pipeline is connected with a water supply source, and the water supply source is generally tap water;
when cooling is required, as shown in fig. 6, the first four-way valve 250 is switched to the state that the inlet of the compressor 210 is communicated with the refrigerant side outlet of the water heat exchanger 230, the outlet of the compressor 210 is communicated with the inlet of the air heat exchanger 220, the refrigerant is compressed and pressurized by the compressor 210, then is radiated by the air heat exchanger 220, and is throttled by the expansion valve 240 to form a low-temperature low-pressure refrigerant, and at this time, the low-temperature refrigerant in the heat pump pipeline 200 exchanges heat with the water in the heat transfer loop through the water heat exchanger 230;
when heat supply is required, as shown in fig. 7, the first four-way valve 250 is switched to the inlet of the compressor 210 to be communicated with the air heat exchanger 220, the outlet of the compressor 210 is communicated with the water heat exchanger 230, the refrigerant is compressed and pressurized by the compressor 210 to form a high-temperature refrigerant, the high-temperature refrigerant exchanges heat with the heat transfer pipeline 300 by the water heat exchanger 230, then the high-temperature refrigerant is throttled by the expansion valve 240 to form a low-temperature low-pressure refrigerant, the low-temperature refrigerant exchanges heat by the air heat exchanger 220 and heats, and the high-temperature refrigerant in the heat pump pipeline 200 exchanges heat by the water heat exchanger 230 to heat water in the heat transfer circuit;
During normal cooling or heating, as shown in fig. 8, the first water valve 311, the second water valve 321, the third water valve 231 and the fourth water valve 232 are opened, the second four-way valve 314 is switched, under the operation of the water pump 313, water flows out of the water tank 312, sequentially flows through the second four-way valve 314, the water pump 313, the second four-way valve 314 and the third water valve 231 and then enters the water heat exchanger 230, and the water circulates among the water heat exchanger 230, the terminal equipment and the water tank 312, so that normal cooling or heating is realized;
when the terminal equipment needs to stop heating or cooling in a short time, the first water valve 311 and the second water valve 321 are closed at the moment, the circulating water valve 331 is opened, the water tank 312, the water pump 313, the water heat exchanger 230 and the circulating pipeline 330 at the moment form a circulating loop capable of storing energy and buffering, and water circularly flows among the water tank 312, the water pump 313, the water heat exchanger 230 and the circulating pipeline 330, and the heat pump pipeline 200 keeps a working state at the moment; when the end device needs to operate at any time, the second water valve 321 and the first water valve 311 are opened, and the circulation water valve 331 is closed.
When the water in the heat transfer circuit needs to be filtered, the fourth water valve 232 is closed, the two filter valves 342 are opened, and the second four-way valve 314 is switched and regulated, so that the water sequentially passes through the filter 341, the second four-way valve 314, the water pump 313, the second four-way valve 314 and the water tank 312.
When the filter 341 needs to be backwashed, as shown in fig. 11, the filter valve 342 and the third water valve 231 of the inlet of the filter 341 during filtering the water in the heat transfer circuit are closed, the drain valve 343 is opened, the second four-way valve 314 is switched and regulated, so that the water sequentially passes through the water tank 312, the second four-way valve 314, the water pump 313, the second four-way valve 314 and the filter 341, and then the filtered impurities are flushed out from the drain pipeline, so that the high-pressure water pressurized by the water pump 313 can directly enter the filter 341 for flushing, thereby improving the backwashed effect.
The air energy cooling and heating integrated machine is more integrated, is more convenient to install, does not need to purchase other accessories additionally, has the functions of energy storage and buffering to reduce the starting and stopping times of a host machine, filtering and back flushing, optimizes the shock absorption of the compressor 210 and the installation of the water tank 312, and achieves the quick assembly of the water tank 312 and the effective shock absorption function of the compressor 210.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (4)
1. An operation method of an air energy cooling and heating integrated machine is characterized by comprising the following steps of: this air can changes in temperature all-in-one includes: a casing (100), a heat pump pipeline (200) and a heat transfer pipeline (300) which are arranged on the casing (100);
the heat pump pipeline (200) comprises a compressor (210), an air heat exchanger (220), a water heat exchanger (230), an expansion valve (240) positioned between the air heat exchanger (220) and the water heat exchanger (230), and four interfaces of the expansion valve (240) are respectively connected with an inlet and an outlet of the compressor (210), the air heat exchanger (220) and the water heat exchanger (230); the heat pump pipeline (200) is filled with a refrigerant;
the heat transfer pipeline (300) comprises a water inlet pipeline (310) and a water outlet pipeline (320) which are respectively connected with a water inlet and a water outlet of the water heat exchanger (230), and a circulating pipeline (330) connected between the water inlet pipeline (310) and the water outlet pipeline (320), wherein the water inlet pipeline (310) is sequentially provided with a first water valve (311), a water tank (312) and a water pump (313) along water flow, the water outlet pipeline (320) is provided with a second water valve (321), the water tank (312) is provided with a water supplementing port, an outlet of the circulating pipeline (330) is arranged between the first water valve (311) and the water tank (312), an inlet of the circulating pipeline (330) is arranged on the upstream side of the second water valve (321), and the circulating pipeline (330) is provided with a circulating water valve (331);
The heat transfer pipeline (300) comprises a filtering pipeline (340) with a filter (341), a water inlet of the water heat exchanger (230) is provided with a third water valve (231), an inlet of the filtering pipeline (340) is arranged between an inlet of the third water valve (231) and the water pump (313), a filtering inlet and a filtering outlet of the filter (341) are respectively provided with a filtering valve (342), and an outlet of the filtering pipeline (340) is arranged between the second water valve (321) and a water outlet of the water heat exchanger (230);
the water inlet pipeline (310) is provided with a second four-way valve (314), four interfaces of the second four-way valve (314) are respectively connected with pipelines among an inlet and an outlet of a water pump (313), an outlet of a water tank (312) and a filter valve (342) and a third water valve (231) of a filter (341), the filter (341) is connected with a sewage pipeline with a sewage valve (343), and a water outlet of the water heat exchanger (230) is provided with a fourth water valve (232);
the bottom of the water tank (312) is provided with a fast-assembling structure, the fast-assembling structure comprises a plurality of locking assemblies (400) which are annularly arranged at the periphery of the bottom of the water tank (312) at intervals, clamping tables (3127) which are annularly arranged on the periphery wall of the water tank (312), the locking assemblies (400) comprise fixing seats (410), locking clamping blocks (420), elastic pieces (430) which transversely act between the fixing seats (410) and the locking clamping blocks (420), the fixing seats (410) are relatively fixed with the casing (100), the elastic pieces (430) are used for providing reset elastic force for the locking clamping blocks (420) which move inwards and are clamped on the periphery wall of the water tank (312), guide parts (421) which incline inwards from top to bottom are arranged at the top of the inner side of the locking clamping blocks (420), and clamping grooves (422) which are clamped with the clamping tables (3127) are arranged at the lower part of the inner side of the locking clamping blocks (420).
The outer side wall of the locking clamp block (420) is connected with a guide rod (423) which is transversely arranged, the fixing seat (410) is provided with a transversely penetrating screw hole (411), the screw hole (411) is sleeved with an adjusting sleeve (440) in a threaded manner, the guide rod (423) is slidably sleeved in the adjusting sleeve (440), and the elastic piece (430) acts between the inner end of the adjusting sleeve (440) and the outer side wall of the locking clamp block (420);
the bottom of compressor (210) is provided with shock-absorbing structure, shock-absorbing structure includes base (500) with compressor (210) bottom relatively fixed, be located base (500) below and with casing (100) relatively fixed bottom plate (600), annular interval sets up in base (500) and bottom plate (600) between a plurality of shock-absorbing connection piece (700), set up the damping unit at middle part between base (500) and bottom plate (600), shock-absorbing connection piece (700) include bolt (710), nut (720), shock-absorbing rubber sleeve (730), shock-absorbing rubber sleeve (740), locate respectively in base (500) and bottom plate (600) two connecting hole (750), in shock-absorbing rubber sleeve (730) cover locates base (500) connecting hole (750), shock-absorbing rubber sleeve (730) upper end periphery protruding be equipped with base (500) between two connecting hole (750), bolt (710) pass shock-absorbing rubber sleeve (740), below connecting hole (720) and annular rubber sleeve (750) are located, shock-absorbing rubber sleeve (800) are located in proper order, shock-absorbing rubber sleeve (800) are located after two connecting hole (720) are screwed with base (800), shock-absorbing rubber sleeve (800) are located respectively The bottom plate (600) is abutted;
The specific operation method is as follows:
firstly, connecting the interfaces of a first water valve (311) and a second water valve (321) with terminal equipment, forming a heat transfer loop by a heat transfer pipeline (300) and the terminal equipment, and connecting a water supplementing port with a water supply source;
when cooling is needed, the low-temperature refrigerant in the heat pump pipeline (200) is subjected to heat exchange and cooling on water in the heat transfer loop through the water heat exchanger (230) by switching the first four-way valve (250);
when heat supply is needed, the high-temperature refrigerant in the heat pump pipeline (200) is subjected to heat exchange heating on water in the heat transfer loop through the water heat exchanger (230) by switching the first four-way valve (250);
when the water pump (313) is operated, water circulates among the water heat exchanger (230), the tail end equipment and the water tank (312) to realize cooling and heating;
when the terminal equipment needs to stop heating and cooling in a short time, the first water valve (311) and the second water valve (321) are closed, the circulating water valve (331) is opened, water circulates between the water heat exchanger (230) and the water tank (312), and the heat pump pipeline (200) is kept in a working state;
When water in the heat transfer loop is required to be filtered, the fourth water valve (232) is closed, the two filtering valves (342) are opened, the second four-way valve (314) is switched, and the water sequentially circulates through the water tank (312), the tail end equipment and the filter (341);
when the filter (341) needs to be reversely flushed, the second four-way valve (314) is switched, the filter valve (342) and the third water valve (231) at the inlet of the filter (341) when the water in the heat transfer loop is filtered are closed, the drain valve (343) is opened, and the water in the water tank (312) enters the back flushing filter screen (345) from the original outlet of the filter (341) after being pressurized by the water pump (313).
2. The method for operating an air-energy cooling and heating integrated machine according to claim 1, wherein the method comprises the following steps:
the filter (341) comprises a shell (344) and a back flushing filter screen (345) which is obliquely arranged in the shell (344) left and right, the back flushing filter screen (345) divides the shell (344) into a water inlet cavity and a water outlet cavity which are arranged left and right, the water inlet cavity is provided with a filtering inlet (346) and a sewage outlet (347), and the water outlet cavity is provided with a filtering outlet (348).
3. The method for operating an air-energy cooling and heating integrated machine according to claim 2, wherein the method comprises the following steps:
The water tank (312) is connected with a discharge pipeline with a drain valve (3123), and the water supplementing port is connected with a water supplementing pipeline of a water supplementing valve (3122).
4. The method for operating an air-energy cooling and heating integrated machine according to claim 1, wherein the method comprises the following steps:
the water tank (312) comprises a shell (3124), a liner (3125) arranged in the shell (3124), and a heat insulation layer (3128) arranged between the shell (3124) and the liner (3125), wherein a reinforcing rib (3126) is connected between the shell (3124) and the liner (3125).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211535105.8A CN115751540B (en) | 2022-12-02 | 2022-12-02 | Air energy cooling and heating integrated machine and operation method |
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| CN202211535105.8A CN115751540B (en) | 2022-12-02 | 2022-12-02 | Air energy cooling and heating integrated machine and operation method |
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| CN115751540B true CN115751540B (en) | 2023-08-04 |
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| CN217604802U (en) * | 2022-07-06 | 2022-10-18 | 四平市巨元瀚洋板式换热器有限公司 | Automatic back-flushing system of plate heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206338854U (en) * | 2016-11-11 | 2017-07-18 | 北京华厚能源科技有限公司 | A kind of pair of heat pump energy-storage system |
| EP3712320A1 (en) * | 2019-03-20 | 2020-09-23 | E.G.O. Elektro-Gerätebau GmbH | Water-conveying household appliance and method for operating same |
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| CN115751540A (en) | 2023-03-07 |
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