V-shaped low-temperature constant-speed heating machine

Abstract

The utility model belongs to the technical field of heat pump air conditioners, and discloses a V-shaped low-temperature constant-speed heating machine which comprises a shell, a condenser, a transmission pipe and a backflow pipe. Each condensing pipe is in a U shape, the U-shaped opening ends of the adjacent condensing pipes are provided with connecting bent pipes so that the condensing pipes arranged in an array mode can be communicated with one another, the condensing pipes, the backflow pipe and the conveying pipe are all arranged in the shell, and the conveying pipe is communicated with the tops of the condensing pipes. According to the technical scheme, the contact area of the condensation pipe and air can be increased, the heat exchange efficiency of the condenser and the air is improved, and the heating effect of the heating machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pump air conditioners, in particular to a V-shaped low-temperature constant-speed heating machine. Background Art

[0002] As a type of air energy, the low-temperature constant-speed heater mainly absorbs the low-grade thermal energy contained in the air and compresses the heat therein to obtain thermal energy. However, in the existing low-temperature constant-speed heaters, the internal condenser is mostly made of a copper tube that has been bent back and forth many times. This type of condenser will have the problem of low heat exchange efficiency when in use, affecting the heat exchange effect of the heater, and then causing the heater to release low heat, affecting the heating effect. Utility Model Content

[0003] In order to solve the problem of low efficiency of heat exchange of condensers in existing heating machines, the utility model provides a V-shaped low-temperature constant-speed heating machine.

[0004] In order to solve the above technical problems, the utility model provides a V-type low-temperature constant-speed heating machine, which includes a shell, a condenser, a transmission pipe and a reflux pipe. The condenser includes condensers arranged in a V-shaped array, and each of the condensers is U-shaped and the U-shaped opening ends of adjacent condensers are provided with connecting elbows to interconnect the condensers arranged in the array. The condenser, the reflux pipe and the transmission pipe are all arranged inside the shell, the transmission pipe is connected to the top of the condenser, and the reflux pipe is connected to the bottom of the condenser.

[0005] In an embodiment of the utility model, at least two rows of the condensing tubes are arranged along both sides of the V-shape, and adjacent condensing tubes are connected by the connecting elbows.

[0006] In an embodiment of the utility model, three rows of the condensing tubes are arranged along both sides of the V-shape, and adjacent condensing tubes are connected by the connecting elbows.

[0007] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heating machine further comprises a support beam fixed inside the shell, and the support beam is provided with a through hole for the condenser to pass through so as to support the condenser.

[0008] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heating machine also includes a thermal insulation plate fixed on the support beam, and the thermal insulation plate is attached to the V-shaped inner side and the V-shaped outer side of the condenser to close the condenser.

[0009] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heating machine further includes sealing plates fixed on both sides of the insulation plate, and the insulation plate and the sealing plate together enclose an energy storage space inside the shell.

[0010] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heater includes a cooling fan fixed on the top of the shell, the cooling fan is located directly above the energy storage space, and a cooling hole aligned with the cooling fan is opened on the top of the shell.

[0011] In an embodiment of the utility model, two of the heat dissipation fans and two of the heat dissipation holes are provided, and the two heat dissipation fans are arranged side by side directly above the energy storage space.

[0012] In an embodiment of the utility model, the housing includes a cover plate and a connecting frame, the connecting frame is enclosed to form a cubic frame, and the cover plate is connected to the frame gap of the connecting frame to seal the condenser in the housing.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By making a single condenser tube U-shaped and providing a connecting elbow at the U-shaped open end of the adjacent condenser tubes, each condenser tube can be interconnected through the connection of the connecting elbow, so as to increase the contact area between the condenser and the air, and at the same time make the air stay in the condenser for a longer time, thereby increasing the heat exchange efficiency of the air, improving the compression efficiency of the compression pump on the air and the heating effect of the heater, and arranging the condenser tubes in the array into a V shape, so as to further increase the contact area between the condenser and the air, so as to further improve the heat exchange efficiency of the condenser to the air and improve the heating effect of the heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific implementation methods, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a V-shaped low-temperature constant-speed heating machine provided by an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of a V-shaped low-temperature constant-speed heating machine provided by an embodiment of the utility model;

[0018] Figure 3 yes Figure 2 A in the enlarged view;

[0019] Figure 4It is a partial three-dimensional structural schematic diagram of a condenser pipe in a V-shaped low-temperature constant-speed heating machine provided by an embodiment of the utility model;

[0020] Figure 5 It is a partial stereoscopic structural schematic diagram of a condenser pipe in a V-shaped low-temperature constant-speed heating machine provided by another embodiment of the utility model.

[0021] Description of Reference Numerals

[0022] 1. Heating machine; 11. Casing; 12. Condenser; 13. Transmission pipe; 14. Reflux pipe; 15. Support beam; 16. Insulation board; 17. Sealing board; 18. Cooling fan; 19. Connecting elbow; 111. Connecting frame; 112. Cover plate. DETAILED DESCRIPTION

[0023] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0024] See also Figure 1-Figure 3 , Figure 1 It is a three-dimensional structural schematic diagram of a V-shaped low-temperature constant-speed heating machine provided by an embodiment of the utility model; Figure 2 It is a schematic diagram of the exploded structure of a V-shaped low-temperature constant-speed heating machine provided by an embodiment of the utility model; Figure 3 yes Figure 2 The enlarged view of A in the figure. The V-type low-temperature constant-speed heating machine 1 of the utility model comprises a shell 11, a condenser, a transmission pipe 13 and a return pipe 14. The condenser comprises condensing pipes 12 arranged in a V-shaped array. Each of the condensing pipes 12 is U-shaped and the U-shaped opening ends of adjacent condensing pipes 12 are provided with connecting elbows to interconnect the condensing pipes 12 arranged in the array. The condensing pipes 12, the return pipes 14 and the transmission pipes 13 are all arranged inside the shell 11. The transmission pipes 13 are connected to the tops of the condensing pipes 12, and the return pipes 14 are connected to the bottoms of the condensing pipes 12.

[0025] By setting the condenser in the form of multiple array-arranged condenser tubes 12, and making the array condenser tubes 12 form a V shape, and then connecting with adjacent condenser tubes 12 through connecting bends, air can circulate in the V-shaped condenser tubes 12 to achieve heat exchange with the air, and by connecting the transmission pipe 13 with the top of the condenser tube 12, the condenser tube 12 can absorb the heat in the air and transmit the air to the compression pump inside the heater 1 through the transmission pipe 13, so that the compression pump compresses the air inside to obtain high-temperature and high-pressure gas, and then achieves the heating effect by treating the high-temperature and high-pressure gas, and by connecting the reflux pipe 14 with the bottom of the condenser tube 12, the gas passing through the expansion valve inside the heater 1 can flow back to the condenser tube 12 again, so that the condenser tube 12 can exchange heat with the refluxed gas again, and absorb the heat in the gas and transmit it to the compression pump through the transmission pipe 13, thereby realizing the reverse Carnot cycle, reducing the energy consumption of the heater 1 and improving the heating effect.

[0026] Since a single condenser tube 12 is U-shaped and a connecting elbow is provided at the U-shaped open end of an adjacent condenser tube 12, each condenser tube 12 can be interconnected through the connection of the connecting elbow, so as to increase the contact area between the condenser and the air, and at the same time make the air stay in the condenser for a longer time, thereby increasing the heat exchange efficiency of the air, improving the compression efficiency of the compression pump on the air and the heating effect of the heater 1, and arranging the condenser tubes 12 in the array into a V shape, so as to further increase the contact area between the condenser and the air, so as to further improve the heat exchange efficiency of the condenser to the air and improve the heating effect of the heater 1.

[0027] See also Figure 4 , Figure 4 It is a partial three-dimensional structural diagram of the condenser in the V-shaped low-temperature constant-speed heating machine provided by the embodiment of the utility model. In the embodiment of the utility model, the condenser 12 is provided with at least two rows along both sides of the V-shape, and the adjacent condenser 12 is connected by the connecting elbow.

[0028] At least two rows of condenser tubes 12 are provided, wherein the condenser tubes 12 on the right are A1, A2, A3... from top to bottom, and the condenser tubes 12 on the left are B1, B2, B3... from top to bottom, condenser tube A1 has two open ends A1P and A1Q, condenser tube A2 has two open ends A2P and A2Q, condenser tube A3 has two open ends A3P and A3Q, condenser tube B1 has two open ends B1P and B1Q, condenser tube B2 has two open ends B2P and B2Q, condenser tube B3 has two open ends B3P and B3Q, and the space between adjacent condenser tubes 12 is The connection is made through a connecting elbow, that is, the two ends of the connecting elbow are connected to A1P and B1Q respectively, so as to realize the connection between the condenser A1 and the condenser B1, and the two ends of the connecting elbow are connected to A1Q and A2P respectively, so as to realize the connection between the condenser A1 and A2, and so on, the connection of A1, A2, A3... and B1, B2, B3... can be completed, and finally the remaining B1P at the top and A3Q at the bottom are idle, so that the transmission pipe 13 is connected to B1P, and the return pipe 14 is connected to A3Q, so that air can circulate in the condenser and perform heat exchange, thereby improving the heat exchange efficiency.

[0029] See also Figure 5 , Figure 5 It is a partial three-dimensional structural diagram of a condenser in a V-shaped low-temperature constant-speed heating machine provided by another embodiment of the utility model. In the embodiment of the utility model, the condenser 12 is provided with three rows along both sides of the V-shape, and adjacent condenser tubes 12 are connected by the connecting elbow.

[0030] At least three rows of condenser tubes 12 are arranged, wherein the condenser tubes 12 on the right are A1, A2, A3... from top to bottom, the condenser tubes 12 on the left are B1, B2, B3... from top to bottom, the condenser tubes 12 in the middle are C1, C2, C3... from top to bottom, condenser tube A1 has two open ends A1P and A1Q, condenser tube A2 has two open ends A2P and A2Q, condenser tube A3 has two open ends The condenser tubes 12 have two opening ends A3P and A3Q, the condenser tube B1 has two opening ends B1P and B1Q, the condenser tube B2 has two opening ends B2P and B2Q, the condenser tube B3 has two opening ends B3P and B3Q, the condenser tube C1 has two opening ends C1P and C1Q, the condenser tube C2 has two opening ends C2P and C2Q, the condenser tube C3 has two opening ends C3P and C3Q, and the adjacent condenser tubes 12 are connected by connecting elbows, that is, the connecting elbows are connected. The two ends of the connecting elbow are connected to A1P and C1Q respectively, so as to realize the connection between condenser A1 and condenser C1. The two ends of the connecting elbow are connected to C1P and B1Q respectively, so as to realize the connection between condenser C1 and B1. The two ends of the connecting elbow are connected to A1Q and A2P respectively, so as to realize the connection between condenser A1 and condenser A2. The two ends of the connecting elbow are connected to A2Q and C2P respectively, so as to realize the connection between condenser A2 and C2. The two ends of the curved pipe are connected to C2Q and B2P respectively, so as to realize the connection of the condenser pipes C2 and B2, and so on, to complete the connection of A1, A2, A3..., C1, C2, C3... and B1, B2, B3..., and finally the remaining B1P at the top and A3Q at the bottom are idle, so that the transmission pipe 13 is connected to B1P, and the return pipe 14 is connected to A3Q, so that the air can circulate in the condenser and perform heat exchange, thereby improving the heat exchange efficiency.

[0031] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heater 1 further comprises a support beam 15 fixed inside the housing 11 , and a through hole is provided on the support beam 15 for the condenser tube 12 to pass through so as to support the condenser tube 12 .

[0032] By fixing the support beam 15 inside the shell 11 and opening a through hole on the support beam 15 for the condenser 12 to pass through, each condenser 12 can be supported and fixed by the support beam 15, so as to facilitate heat exchange between the condenser 12 and the air.

[0033] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heater 1 further comprises a thermal insulation plate 16 fixed on the support beam 15, and the thermal insulation plate 16 is attached to the V-shaped inner side and the V-shaped outer side of the condenser to seal the condenser.

[0034] By setting the insulation board 16 inside the shell 11 and connecting the insulation board 16 to the support beam 15 to close the condenser, the air in the condenser can be kept warm under the action of the insulation board 16 to avoid the loss of heat from the air in the condenser and affect the heat exchange efficiency of the condenser to the air.

[0035] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heater 1 further includes sealing plates 17 fixed to both sides of the insulation plate 16 , and the insulation plate 16 and the sealing plate 17 together enclose an energy storage space inside the shell 11 .

[0036] By connecting the sealing plate 17 to both sides of the insulation plate 16, an energy storage space is enclosed between the two oppositely arranged sealing plates 17 and the two oppositely arranged insulation plates 16, so that the air can exchange heat with the condenser after entering the energy storage space to increase the air temperature in the condenser. The air is then transmitted to the compression pump by the transmission pipe 13 for compression to obtain high-temperature and high-pressure gas, and then the high-temperature and high-pressure gas is processed to achieve a heating effect. By connecting the reflux pipe 14 to the bottom of the condenser 12, the gas passing through the internal expansion valve of the heater 1 can flow back to the condenser 12 again, so that the condenser 12 can exchange heat with the refluxed gas again, and absorb the heat in the gas and transmit it to the compression pump through the transmission pipe 13, thereby realizing the reverse Carnot cycle, reducing the energy consumption of the heater 1, and improving the heating effect.

[0037] In an embodiment of the utility model, the V-shaped low-temperature constant-speed heater 1 includes a cooling fan 18 fixed on the top of the shell 11, the cooling fan 18 is located directly above the energy storage space, and a cooling hole aligned with the cooling fan 18 is opened on the top of the shell 11.

[0038] By opening a heat dissipation hole directly above the energy storage space and aligning the heat dissipation fan 18 with the heat dissipation hole, when the compression pump compresses the air and causes the temperature inside the heater 1 to be too high, the high temperature can be transferred to the condenser for cooling. At the same time, the heat in the energy storage space can be blown out by the heat dissipation fan 18, so as to achieve the effect of cooling the heater 1.

[0039] In an embodiment of the present utility model, two cooling fans 18 and two cooling holes are provided, and the two cooling fans 18 are arranged side by side just above the energy storage space.

[0040] By setting two heat dissipation holes and two heat dissipation fans 18, and arranging the two heat dissipation fans side by side directly above the energy storage space, when the temperature inside the heater 1 is too high, the high temperature is transferred to the condenser for cooling, and at the same time, the heat in the energy storage space is blown out by the two heat dissipation fans 18, so as to achieve the effect of cooling the heater 1.

[0041] In an embodiment of the present invention, the housing 11 includes a cover plate 112 and a connecting frame 111 . The connecting frame 111 is enclosed to form a cubic frame. The cover plate 112 is connected to a frame gap of the connecting frame 111 to seal the condenser in the housing 11 .

[0042] The connecting frame 111 is enclosed into a cubic frame, and the cover plate 112 is covered on the frame gap of the connecting frame 111, so that the connecting frame 111 and the cover plate 112 together enclose a closed cube, and the condenser is enclosed in the outer shell 11, so that the condenser absorbs heat from the air in the shell, and under the action of the compression pump, the condenser performs heat conversion on the air, and then the heating effect is achieved by processing the high-temperature and high-pressure gas, so that the heater 1 outputs warm air.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, including the combination of various specific technical features in any appropriate manner. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

[0045] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and cannot be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A V-shaped low-temperature constant-speed heating machine, characterized in that: The V-shaped low-temperature constant-speed heating machine includes a shell, a condenser, a transmission pipe and a return pipe. The condenser includes condensers arranged in a V-shaped array. A single condenser is U-shaped and the U-shaped opening ends of adjacent condensers are provided with connecting elbows to interconnect the condensers arranged in the array. The condenser, the return pipe and the transmission pipe are all arranged inside the shell. The transmission pipe is connected to the top of the condenser, and the return pipe is connected to the bottom of the condenser.

2. The V-shaped low-temperature constant-speed heating machine according to claim 1, characterized in that: At least two rows of the condensing tubes are arranged along both sides of the V-shape, and adjacent condensing tubes are connected by the connecting elbows.

3. The V-shaped low-temperature constant-speed heating machine according to claim 1, characterized in that: The condensing tubes are arranged in three rows along both sides of the V-shape, and the adjacent condensing tubes are connected by the connecting elbows.

4. The V-shaped low-temperature constant-speed heating machine according to claim 1, characterized in that: The V-shaped low-temperature constant-speed heater also includes a support beam fixed inside the shell, and the support beam is provided with a through hole for the condenser to pass through so as to support the condenser.

5. The V-shaped low-temperature constant-speed heating machine according to claim 4, characterized in that: The V-shaped low-temperature constant-speed heating machine also includes a thermal insulation plate fixed on the support beam, and the thermal insulation plate is attached to the V-shaped inner side and the V-shaped outer side of the condenser to seal the condenser.

6. The V-shaped low-temperature constant-speed heating machine according to claim 5, characterized in that: The V-shaped low-temperature constant-speed heating machine also includes sealing plates fixed on both sides of the insulation plate, and the insulation plate and the sealing plate together enclose an energy storage space inside the shell.

7. The V-shaped low-temperature constant-speed heating machine according to claim 6, characterized in that: The V-shaped low-temperature constant-speed heater includes a cooling fan fixed on the top of the shell, the cooling fan is located directly above the energy storage space, and the top of the shell is provided with a cooling hole aligned with the cooling fan.

8. The V-shaped low-temperature constant-speed heating machine according to claim 7, characterized in that: The heat dissipation fans and the heat dissipation holes are both provided with two, and the two heat dissipation fans are arranged side by side just above the energy storage space.

9. The V-shaped low-temperature constant-speed heating machine according to any one of claims 1 to 8, characterized in that: The shell comprises a cover plate and a connecting frame, the connecting frame is enclosed to form a cubic frame, and the cover plate is connected to the frame gap of the connecting frame to seal the condenser in the shell.

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