CN211084496U - Compressed air heat exchange system - Google Patents

Abstract

The utility model provides a compressed air heat transfer system, include: a processor; the heat exchanger comprises an inner circulation flow path and an outer circulation flow path which are arranged in parallel, and two ends of the outer circulation flow path are communicated with the outside; the fan is arranged on the external circulation flow path; the pressurization expansion assembly is electrically connected with the processor and is communicated with the internal circulation flow path; the air supply flow path is communicated with the pressurization expansion assembly and is used for supplying air to the indoor space; the air guide assembly is arranged in the air supply flow path, two ends of the air guide body are respectively connected to the motor shaft and the fixed supporting shaft of the driving motor, the cross section of the air guide body can be limited on a plane which passes through the motor shaft and is perpendicular to the air inlet direction of the air supply flow path, and the cross section can change along with the rotation of the air guide body. By executing the technical scheme, the air guide assembly can be hidden in the air supply flow path, and an air guide grid or an air guide strip is not required to be arranged at the air outlet, so that the attractiveness of the indoor side air outlet is improved.

Description

Compressed air heat exchange system

Technical Field

The utility model relates to a domestic air conditioner operation control field particularly, relates to a compressed air heat transfer system.

Background

In the related art, the compressed air heat exchange system provided with the supercharging expansion assembly can be arranged at the outdoor side and communicated with the indoor side through a vent arranged on a wall body, but the adjustment of the wind speed and the wind outlet direction is difficult to realize.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model discloses an aim at provides a new compressed air heat transfer system.

In order to achieve at least one of the above objects, according to the present invention, there is provided a compressed air heat exchange system, including: a processor; the heat exchanger comprises an inner circulation flow path and an outer circulation flow path which are arranged in parallel, and two ends of the outer circulation flow path are communicated with the outside; the fan is arranged on the external circulation flow path; the pressurization expansion assembly is electrically connected with the processor and is communicated with the internal circulation flow path; the air supply flow path is communicated with the pressurization expansion assembly and is used for supplying air to the indoor space; the air guide assembly comprises a driving motor capable of being fixedly arranged and an air guide body driven by the driving motor to rotate, the air guide body is arranged in an air supply flow path, two ends of the air guide body are respectively connected to a motor shaft and a fixed supporting shaft of the driving motor, the cross section of the air guide body can be limited on a plane which passes through the motor shaft and is perpendicular to the air inlet direction of the air supply flow path, the cross section can change along with the rotation of the air guide body, and the processor is used for executing computer instructions to execute the following steps: the control driving motor drives the air guide body to rotate so as to change an air supply channel between the air supply flow path and the air guide body by changing the cross section.

In the technical scheme, the compressed air heat exchange system comprises a processor, a booster expansion assembly, a heat exchanger, a fan and a humidification module, wherein the heat exchanger is an air-cooled heat exchanger and at least comprises an inner circulation flow path and an outer circulation flow path which can exchange heat with each other, the inner circulation flow path can be communicated with the indoor space, the outer circulation flow path can be communicated with the outdoor space, outdoor fresh air is adopted as a refrigerant in the outer circulation flow path, air led out from the indoor space is adopted as the refrigerant in the inner circulation flow path, the inner circulation flow path is communicated with the booster expansion assembly, the booster expansion assembly applies work to the led indoor air, and the fan drives the outdoor air in the outer circulation flow path to flow so as to realize the heat exchange of the air in the inner circulation flow path and the outer circulation flow path.

Furthermore, the air guide body is arranged in the air supply flow path, the shape of the air guide body is limited, the driving motor is combined to drive the air guide body to rotate at different angles, and the cross section of the air guide body is changed into different shapes, so that air flow can generate different air outlet directions after passing through the air guide body, and the adjustment of the air outlet directions is further realized.

Compressed air heat transfer system can set up in the outdoor side integratively, the exit end of air supply flow path can extend to on the wall body, consequently only can see an air outlet in the indoor side, on the one hand, combine the utility model provides an air guide component's the mode of setting up, can hide air guide component in the air supply flow path, and need not set up wind-guiding grid or wind-guiding strip at the air outlet, consequently be favorable to promoting the pleasing to the eye degree of indoor side air outlet department, on the other hand, directly adopt the air to replace the compound class refrigerant of adoption in the correlation technique as the refrigerant, combine the operation of compressor and expander to realize refrigeration or heat-making function, regard the air as the refrigerant, can save the cost that sets up of refrigerant, and reduce the harm to the environment.

In the above technical solution, the air guide body is configured as an elliptical cylinder with an elliptical cross section, one end of the elliptical cylinder is connected to the motor shaft, and the other end of the elliptical cylinder is connected to the fixed support shaft.

In the above technical solution, the rotation axis of the air guide body is parallel to the central axis of the ellipse and passes through the major axis of the ellipse.

In the technical scheme, the air guide body is constructed into an elliptical cylinder, namely the elliptical cylinder, the central shaft of the elliptical cylinder is configured into the rotating shaft of the elliptical cylinder, namely the central shaft of the elliptical cylinder and the motor shaft are coaxially arranged, namely the elliptical cylinder can rotate around the central shaft of the elliptical cylinder, so that different angles are formed between the long shaft of the elliptical cylinder and the central shaft of the air supply flow path, air flow passes through the air guide body to generate different air supply angles, and the air flow is guided into a room based on the different air supply angles, so that different wind direction requirements of users are met.

In any of the above technical solutions, the rotation axis of the air guide body coincides with the central axis of the ellipse; the eccentricity of the ellipse is greater than or equal to 0.85 and less than or equal to 0.95.

In the technical scheme, the elliptical eccentricity e of the elliptical cylinder should meet the condition that 0.85< e <0.95, the shape of the cross section is close to circular due to too large eccentricity, the air guide effect is affected, and the air flow is dispersed on the air guide body in a large area due to too small eccentricity and is difficult to converge again, so that the air guide effect is also affected.

If the long axis is perpendicular to the inner wall of the air supply flow path, the ratio of the gap between the two connecting ends and the inner wall to the diameter of the air supply flow path is 0.05-0.1, the air flow speed is too slow due to too large gap, the air guide effect of the air guide mechanism is not obvious, the air supply distance is small, and the heating effect is affected.

In addition, the outer surface of the elliptic cylinder is a smooth curved surface, so that the loss of air volume can be reduced to the minimum degree while the adjustment of the air outlet direction is realized.

In any of the above embodiments, the air guide body is configured as a rectangular air guide body, and an axis passing through a center point of the rectangular air guide body and extending along the longitudinal defensive line is configured as a rotating shaft of the rectangular air guide body so as to connect the motor shaft and the fixed support shaft at both sides of the axis, respectively.

In this technical scheme, the wind-guiding body can also be constructed for the cuboid structure that has edges and corners and edge, rectangular wind-guiding body promptly, when rectangular wind-guiding body turned to the equal horizontal position of going up lower plane, then the air-out wind direction of air current more tended to the level or downwards to realize having the air supply of feeling, if two length direction's of square wind-guiding body the edge is in the top respectively with the bottom, then the air-out wind direction of air current more tended to upwards, in order to realize not having the air supply of feeling.

In any of the above technical solutions, the ratio of the height to the length and/or the ratio of the width to the length of the rectangular wind guide body is greater than or equal to 0.75 and less than or equal to 1.

In the technical scheme, the ratio of the height to the length and/or the ratio of the width to the length are limited to be within the range, so that the air guide effect is ensured.

In any one of the above technical solutions, a motor shaft of the driving motor is horizontally disposed to define a circumferential air duct at an upper side and a lower side of the air guide body.

In the technical scheme, in an application scene that the upper and lower air outlet directions need to be adjusted, a motor shaft of the driving motor is horizontally arranged.

In any one of the above technical solutions, a motor shaft of the driving motor is longitudinally arranged to define a circumferential air duct on the left side and the right side of the air guide body.

In the technical scheme, in an application scene that the left air outlet direction and the right air outlet direction need to be adjusted, a motor shaft of the driving motor is arranged along the longitudinal direction.

In any of the above solutions, the booster expansion module comprises: the compressor and the expander are connected through a rotating shaft, the compressor is connected to one end of the internal circulation flow path, and the expander is connected to the other end of the internal circulation flow path; the motor is electrically connected with the processor and is used for driving the rotating shaft to rotate; the bearing is arranged at the joint of the compressor and the rotating shaft and the joint of the expander and the rotating shaft, the motor drives the rotating shaft to rotate, the compressor and the expander are driven to operate, the air entering the compressor is boosted and heated, and the air entering the expander is reduced in pressure and temperature.

In the technical scheme, the supercharging expansion component comprises a compressor, an expander and a motor, specifically a high-speed motor and a bearing, the expander and the compressor are coaxially connected, the high-speed motor is controlled by a processor to drive the compressor to do work on air, so that the air temperature and the air pressure are simultaneously increased, the expander is pushed by high-pressure air, partial work is compensated for the compressor through a rotating shaft, and the air temperature and the air pressure are reduced accordingly.

In any of the above solutions, the bearing includes a bump foil type foil bearing, and the bump foil type foil bearing includes: the bearing seat is provided with a fixed groove on the inner side wall; the multi-layer foil is sleeved on the inner side of the bearing seat and provided with a fixing part, and the fixing part is matched with the fixing groove to fixedly connect the multi-layer foil with the bearing seat; the multilayer foil comprises a flat foil and a bubbling foil sleeved on the radial outer side of the flat foil; wherein the mounting direction of each layer of foil is opposite to the rotation direction of the bearing.

In this technical scheme, the wave foil type foil bearing is chooseed for use to the bearing, through the fixed slot that sets up on the bearing frame, sets up the fixed part on multilayer foil, and the cooperation between accessible fixed slot and the fixed part realizes the fixed of foil and bearing frame to reduce the run-out that takes place at the rotation in-process, in order to influence the normal use of bearing. The multi-layer foil comprises a flat foil and a bubbling foil, and the bubbling foil is sleeved outside the flat foil and is more favorable for generating a pressure air film during rotation, so that the rotating shaft is supported, and the stability of the high-speed rotation of the rotating shaft is improved.

In addition, the installation direction of the foil is opposite to the rotation direction of the bearing, so that the stable operation of the bearing is ensured. If the foil and the bearing are arranged in the same direction due to installation errors, the foil can be wound on the shaft to be clamped when the bearing is started, and the bearing cannot be used normally.

In any one of the above technical solutions, the bubbling foil includes a plurality of arc pieces, the plurality of arc pieces are distributed at intervals along the circumferential direction of the bearing, the number of the flat foils is two, and the flat foils adjacent to the bubbling foil are connected with the plurality of arc pieces; or the bubbling foil is of an integrated structure, and the number of the flat foils is one layer.

In the technical scheme, the bubbling foil can be formed by a plurality of arc sheets which are distributed at intervals along the circumferential direction of the bearing, meanwhile, the flat foil is arranged adjacent to the bubbling foil, and the radial position of the bubbling foil is limited by the flat foil on the basis that the bubbling foil is arranged on the flat foil.

In addition, the bubbling foil can be of an integrated structure, the flat foil on the inner side of the bubbling foil is only one layer, the number of parts during installation can be reduced, the installation efficiency is improved, and meanwhile, the integral weight and the production cost of the bearing can be reduced on the basis of meeting the requirement of rotation.

In any of the above technical solutions, the method further includes: a commutation component electrically coupled to the processor, the processor configured to execute computer instructions to perform the steps of: the conduction direction of the reversing component is configured, and the indoor refrigeration or heating is carried out through the air supply flow path; and the return air flow path is communicated with the air supply flow path and is used for receiving indoor air.

In the technical scheme, the switching between the refrigeration mode and the heating mode is realized by arranging the reversing assembly.

In any one of the above technical schemes, the compressor is provided with a return air port, the expander is provided with an exhaust port, and the reversing assembly comprises: the first reversing assembly is electrically connected with the processor, is connected with the air return port, the inlet of the expansion machine, the outlet of the internal circulation flow path and the air return flow path, and is used for conducting the air return port and the outlet of the internal circulation flow path and the inlet of the expansion machine and the air return flow path or conducting the inlet of the expansion machine and the outlet of the internal circulation flow path and the air return port and the air return flow path; and the second reversing assembly is electrically connected with the processor, is connected with the inlet of the internal circulation flow path, the outlet of the compressor, the exhaust port and the air supply flow path exhausting to the outside, and is used for communicating the outlet of the compressor with the air supply flow path and the exhaust port with the inlet of the internal circulation flow path or communicating the outlet of the compressor with the inlet of the internal circulation flow path and the exhaust port with the air supply flow path.

In the technical scheme, the first reversing assembly and the second reversing assembly are arranged, and the switching of the compressed air heat exchange system under the heating mode and the cooling mode is realized by combining the control of the processor on the conduction direction of the reversing assemblies, namely the compressed air heat exchange system can have the functions of humidification, heating and humidification as well as refrigeration and humidification.

As a simple and reliable implementation mode, the first reversing assembly and the second reversing assembly are both four-way valves.

According to the technical scheme of the second aspect of the utility model, an operation control method is proposed, include: responding to a setting instruction of the air guide mode, and configuring a target position of an air guide body corresponding to the setting instruction; configuring a rotation stroke of a driving motor for driving the air guide body to rotate according to the target position; and controlling the driving motor to operate according to the rotation stroke.

In the technical scheme, the air guide body is arranged in the air supply flow path, the air guide body is driven to rotate by different angles by limiting the shape of the air guide body and combining with the rotation stroke corresponding to the operation of the driving motor, so as to reach the corresponding target position, and the cross section shape of the target position is different from that of the initial position, so that the air flow can generate different air outlet directions after passing through the air guide body, and further the adjustment of the air outlet direction is realized, thereby the air guide assembly can be hidden in the air supply flow path, and an air guide grid or an air guide strip is not required to be arranged at an air outlet, so that the attractiveness of the air outlet at the indoor side is improved.

The target position of the air guide body corresponding to the setting instruction is configured for the setting instruction of the air guide mode on the premise that the air inlet of the room is set to be the upper part of the room and the air outlet is set to be the lower part of the room.

Specifically, the air guide body is an elliptical cylinder with an elliptical cross section, the elliptical cylinder comprises a central axis, the driving motor drives the elliptical cylinder to rotate around the central axis, the position where the long axis is overlapped with the air inlet direction is determined as a reference position, one end, close to the air outlet of the air supply flow path, of the long axis is determined as a forward end point at the reference position, and the direction of downward rotation of the air guide body towards the forward end point is determined as a forward direction.

In the above technical solution, in response to a setting instruction of the air guide mode, configuring a target position of the air guide body corresponding to the setting instruction specifically includes: and determining a position reached by controlling the air guide body to rotate by a first angle in the forward direction as a target position, wherein the first angle is greater than or equal to 10 degrees and less than or equal to 90 degrees.

In the technical scheme, for example, the air guide body is constructed as an elliptical cylinder, that is, an elliptical cylinder, a central shaft of the elliptical cylinder is configured as a rotating shaft of the elliptical cylinder, that is, the central shaft and a motor shaft are coaxially arranged, that is, the elliptical cylinder can rotate around the central shaft, so that different angles are formed between a long shaft of the elliptical cylinder and the central shaft of the air supply flow path, so that different air supply angles are generated after air flows pass through the air guide body, and the air flows are guided into a room based on different air supply angles, thereby meeting different wind direction requirements of users.

Specifically, first angle is more than or equal to 10 to and be less than or equal to 90, the air current can obliquely blow down through air guide body, in order to realize the sensible air supply, rotates through control air guide body, changes the air-out direction, through the probability that the increase directly blows to the user, improves the sensible wind degree.

In any one of the above technical solutions, in response to a setting instruction of the air guide mode, configuring a target position of the air guide body corresponding to the setting instruction specifically includes: setting instructions for controlling the compressed air heat exchange system to enter a no-wind-sense mode, and determining a position reached by controlling the wind guide body to rotate in the forward direction by a second angle as a target position, wherein the second angle is greater than or equal to 95 degrees and less than or equal to 150 degrees.

In this technical scheme, through the scope of injecing above-mentioned second angle, then the air-out wind direction of air current more tends upwards, through reducing the probability of directly blowing to the user, realizes no wind and feels the air supply.

In any one of the above technical solutions, the compressed air heat exchange system includes a pressure boost expansion assembly, and further includes: in the refrigeration mode, if the air supply temperature needs to be reduced, the rotating speed of a motor in the supercharging expansion assembly is controlled to be increased; and if the air supply temperature needs to be increased, controlling to reduce the rotating speed of the motor in the supercharging expansion assembly.

In any one of the above technical solutions, the compressed air heat exchange system includes a pressure boost expansion assembly, and further includes: in the heating mode, if the air supply temperature needs to be increased, the rotating speed of a motor in the pressurization expansion assembly is controlled to be increased; and if the air supply temperature needs to be reduced, controlling to reduce the rotating speed of the motor in the supercharging expansion assembly.

According to a third aspect of the present invention, there is provided a computer-readable storage medium having a computer program stored thereon, the computer program, when executed by a processor, implementing the steps of the operation control method according to any one of the above-mentioned second aspect.

The utility model provides a one or more technical scheme has following technological effect or advantage at least:

(1) the air guide assembly can be hidden in the air supply flow path, and an air guide grid or an air guide strip is not required to be arranged at the air outlet, so that the attractiveness of the indoor side air outlet is improved.

(2) The air is directly used as the refrigerant to replace compound refrigerants adopted in the related technology, the refrigeration or heating function is realized by combining the operation of the compressor and the expander, the air is used as the refrigerant, the setting cost of the refrigerant can be saved, and the harm to the environment is reduced.

(3) The foil dynamical pressure gas bearing is used, a dynamical pressure lubricating pressure gas film is generated by means of high-speed relative motion between the shaft and the bearing, the assembly requirement is low, the rotor misalignment is prevented, the stability at high speed is good, and compared with a static pressure gas bearing and a magnetic suspension bearing, the foil dynamical pressure gas bearing is simpler in structure, lower in cost and more suitable for a household air conditioner.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a compressed air heat exchange system according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a compressed air heat exchange system according to another embodiment of the present invention;

fig. 3 shows a schematic structural view of a compressed air heat exchange system according to another embodiment of the present invention;

fig. 4 shows a schematic view of an outlet wind direction of a compressed air heat exchange system according to an embodiment of the present invention;

fig. 5 shows a schematic view of the outlet wind direction of a compressed air heat exchange system according to another embodiment of the present invention;

fig. 6 shows an air outlet schematic view of a compressed air heat exchange system according to another embodiment of the present invention;

fig. 7 shows a partial schematic view of a shaft and bearing fit according to an embodiment of the invention;

fig. 8 shows a schematic structural view of a bearing in a compressed air heat exchange system according to an embodiment of the present invention;

FIG. 9 shows a partial structural schematic at B in FIG. 8;

fig. 10 shows a schematic flow diagram of an operation control method according to an embodiment of the present invention;

fig. 11 shows a schematic block diagram of a compressed air heat exchange system according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:

102 heat exchanger, 1022 internal circulation flow path, 1024 external circulation flow path, 104 fan, 106 expander, 108 motor, 110 bearing, 112 compressor, 116 first reversing assembly, 114 second reversing assembly, 118 air supply flow path, 120 driving motor, 122 elliptical cylinder, 124 temperature sensor, 126 rotating shaft, 110A bearing seat, 110B bubbling foil and 110C flat foil.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The following is to determine the sleep mode as the designated operation mode, and the compressed air heat exchange system and the operation control method thereof in the present invention are further described.

Example one

As shown in fig. 1, the compressed air heat exchange system includes: a processor; a heat exchanger 102 including an inner circulation flow path 1022 and an outer circulation flow path 1024 arranged in parallel, both ends of the outer circulation flow path 1024 communicating with the outside; a fan 104 provided on the external circulation flow path 1024; a booster expansion module electrically connected to the processor and communicating with the internal circulation flow path 1022; an air supply flow path 118, which is communicated with the booster expansion module and is used for supplying air to the indoor; the air guide assembly comprises a driving motor 120 which can be fixedly arranged, as shown in fig. 3, and an air guide body 122 which is driven by the driving motor 120 to rotate, wherein the air guide body 122 is arranged in the air supply flow path 118, two ends of the air guide body 122 are respectively connected to a motor shaft and a fixed supporting shaft of the driving motor 120, a cross section of the air guide body 122 can be defined on a plane which passes through the motor shaft and is perpendicular to the air inlet direction of the air supply flow path 118, and the cross section can be changed along with the rotation of the air guide body 122, and the processor is used for executing computer instructions to execute the following steps: the driving motor 120 is controlled to drive the air guide body 122 to rotate, so that the air supply duct between the air supply flow path 118 and the air guide body 122 is changed by changing the cross section.

In this embodiment, the compressed air heat exchange system includes a processor, a pressure boost expansion assembly, a heat exchanger 102, a blower 104, and a humidification module, the heat exchanger 102 is an air-cooled heat exchanger 102, and at least includes an internal circulation flow path 1022 and an external circulation flow path 1024 capable of exchanging heat with each other, the internal circulation flow path 1022 can be communicated with the indoor space, the external circulation flow path 1024 can be communicated with the outdoor space, the external circulation flow path 1024 uses fresh outdoor air as a refrigerant, the internal circulation flow path 1022 uses air guided from the indoor space as a refrigerant, the internal circulation flow path 1022 is communicated with the pressure boost expansion assembly, the induced indoor air is acted by the booster expansion assembly, and the fan 104 is combined to drive the outdoor air in the external circulation flow path 1024 to flow, so that heat exchange between the internal circulation flow path 1022 and the air in the external circulation flow path 1024 is realized, the indoor air is cooled in the cooling mode, and the indoor air is heated in the heating mode.

Furthermore, the air guide body 122 is arranged in the air supply flow path 118, and the shape of the air guide body 122 is limited, and the air guide body 122 is driven by the driving motor 120 to rotate at different angles, so that the cross section of the air guide body 122 is changed into different shapes, and thus, after the air flow passes through the air guide body 122, different air outlet directions can be generated, and further, the air outlet direction can be adjusted.

Compressed air heat transfer system can set up in the outdoor side integratively, the exit end of air supply flow path 118 can extend to on the wall body, consequently only can see an air outlet in the indoor side, on the one hand, combine the utility model provides an air guide component's mode of setting, can hide air guide component in air supply flow path 118, and need not set up air guide grid or wind-guiding strip at the air outlet, consequently be favorable to promoting the pleasing to the eye degree of indoor side air outlet department, on the other hand, directly adopt the air to replace the compound class refrigerant of adoption among the correlation technique as the refrigerant, combine the operation of compressor and expander to realize refrigeration or heating function, regard the air as the refrigerant, can save the cost of setting of refrigerant, and reduce the harm to the environment.

Example two

As shown in fig. 4 and 5, in any of the above embodiments, the air guide body is configured as an elliptical cylinder 122 having an elliptical cross section, one end of the elliptical cylinder is connected to the motor shaft, and the other end of the elliptical cylinder is connected to the fixed support shaft.

In the above technical solution, the wind guide rotation axis 126 is parallel to the central axis of the ellipse and passes through the major axis of the ellipse.

In this embodiment, the air guide body is configured as an elliptical cylinder, that is, an elliptical cylinder, and the central axis of the elliptical cylinder is configured as the rotating shaft 126 of the elliptical cylinder, that is, the central axis of the elliptical cylinder is arranged coaxially with the motor shaft, that is, the elliptical cylinder can rotate around the central axis thereof, so that different angles are formed between the long axis of the elliptical cylinder and the central axis of the air supply flow path, so that different air supply angles are generated after the air flow passes through the air guide body, and the air flow is guided into the room based on different air supply angles, thereby meeting different air direction requirements of users on the rotating shaft.

In any of the above embodiments, the elliptical eccentricity of the elliptical cylinder 122 is greater than or equal to 0.85 and less than or equal to 0.95.

In this embodiment, the elliptical eccentricity e of the elliptical cylinder 122 should satisfy 0.85< e <0.95, too large eccentricity will cause the shape of the cross section to be close to circular, which will affect the wind guiding effect, and too small eccentricity will cause the airflow to be dispersed in a large area on the wind guiding body 122, which is difficult to converge again, which will also affect the wind guiding effect.

If the long axis is perpendicular to the inner wall of the air supply flow path 118, the ratio between the gap between the two connecting ends and the inner wall and the diameter of the air supply flow path should be between 0.05 and 0.1, the air flow velocity is too slow due to too large gap, the air guide effect of the air guide mechanism 104 is not obvious, the air supply distance is small, and the heating effect is affected.

In addition, the outer surface of the elliptical cylinder 122 is a smooth curved surface, so that the loss of air volume can be reduced to the minimum degree while the adjustment of the air outlet direction is realized.

EXAMPLE III

In any of the above embodiments, the air guide body is configured as a rectangular air guide body, and an axis passing through a center point of the rectangular air guide body and extending along a length defensive line is configured as the rotating shaft 126 of the rectangular air guide body to connect the motor shaft and the fixed support shaft at both sides of the axis, respectively.

In this embodiment, the wind guide body can also be constructed as a cuboid structure with edges and corners, that is, a rectangular wind guide body, when the rectangular wind guide body rotates to the horizontal position from the upper plane to the lower plane, the wind outlet direction of the air flow tends to the horizontal or downward to realize sensible air supply, and if the edges of the two length directions of the rectangular wind guide body are respectively located at the uppermost end and the lowermost end, the wind outlet direction of the air flow tends to the upward direction to realize non-sensible air supply.

In any of the above embodiments, the ratio of the height to the length and/or the ratio of the width to the length of the rectangular air guide body is greater than or equal to 0.75 and less than or equal to 1.

In this embodiment, by limiting the height to length ratio and/or the width to length ratio within the above range, it is also advantageous to ensure the wind guiding effect.

In any of the above embodiments, the motor shaft of the driving motor 120 is horizontally disposed to define a circumferential air duct at the upper side and the lower side of the air guide body.

In this embodiment, in an application scenario where the up-and-down air outlet direction needs to be adjusted, the motor shaft of the driving motor 120 is horizontally disposed.

In any of the above embodiments, the motor shaft of the driving motor 120 is disposed in the longitudinal direction to define a circumferential air duct on the left and right sides of the air guide body.

In this embodiment, in an application scenario where the left and right air outlet directions need to be adjusted, the motor shaft of the driving motor 120 is arranged along the longitudinal direction.

Example four

In any of the above embodiments, as shown in fig. 1, the booster expansion assembly comprises: a compressor 112 and an expander 106 connected by a rotary shaft 126, the compressor 112 being connected to one end of the internal circulation flow path 1022, the expander 106 being connected to the other end of the internal circulation flow path 1022; a motor 108 electrically connected to the processor for driving the rotation shaft 126 to rotate; as shown in fig. 7, the bearings 110 are disposed at the connection between the compressor 112 and the rotating shaft 126 and at the connection between the expander 106 and the rotating shaft 126, and the motor drives the rotating shaft 126 to rotate, so as to drive the compressor 112 and the expander 106 to operate, so that the air entering the compressor 112 is increased in pressure and temperature, and the air entering the expander 106 is decreased in pressure and temperature.

In this embodiment, the pressure boost expansion assembly includes a compressor 112, an expander 106, a motor, specifically a high speed motor and a bearing, the expander 106 and the compressor 112 are coaxially connected, the high speed motor is controlled by the processor to drive the compressor 112 to apply work to the air, so that the temperature and the pressure of the air are simultaneously increased, the expander 106 is pushed by the high pressure air, a part of the work is compensated to the compressor 112 through the rotating shaft 126, and the temperature and the pressure of the air are reduced accordingly.

As shown in fig. 8, in any of the above embodiments, the bearing 110 comprises a bump foil type foil bearing including: the bearing seat 110A, the inner side wall of the bearing seat 110A is provided with a fixing groove; the multilayer foil is sleeved on the inner side of the bearing seat 110A and is provided with a fixing part, and the fixing part is matched with the fixing groove to fixedly connect the multilayer foil with the bearing seat 110A; the multi-layer foil comprises a flat foil 110C and a bubbling foil 110B sleeved on the radial outer side of the flat foil 110C; wherein the mounting direction of each layer of foil is opposite to the rotation direction of the bearing.

In this embodiment, the bearing is a bump foil type foil bearing, the fixing portion is disposed on the multilayer foil through the fixing groove disposed on the bearing seat 110A, and the fixing of the foil and the bearing seat 110A can be achieved through the cooperation between the fixing groove and the fixing portion, so that the radial runout occurring in the rotation process is reduced, and the normal use of the bearing is affected. The multi-layer foil comprises a flat foil 110C and a bubbling foil 110B, and the bubbling foil 110B is sleeved outside the flat foil 110C, so that a pressure air film is generated during rotation, support is provided for the rotating shaft, and the stability of high-speed rotation of the rotating shaft is improved.

In addition, the installation direction of the foil is opposite to the rotation direction of the bearing, so that the stable operation of the bearing is ensured. If the foil and the bearing are arranged in the same direction due to installation errors, the foil can be wound on the shaft to be clamped when the bearing is started, and the bearing cannot be used normally.

In any of the above embodiments, the blister foil 110B includes a plurality of arc pieces, the plurality of arc pieces are distributed at intervals along the circumferential direction of the bearing, as shown in fig. 9, the number of the flat foil pieces 110C is two, and the flat foil piece 110C disposed adjacent to the blister foil 110B is connected to the plurality of arc pieces; or the blister foil 110B may be a unitary structure, and the number of the flat foils 110C may be one.

In this embodiment, the blister foil 110B may be formed of a plurality of arc pieces spaced apart along the circumferential direction of the bearing, and the flat foil 110C is disposed adjacent to the blister foil 110B, and the radial position of the blister foil 110B is limited by the flat foil 110C on the basis that the blister foil 110B is disposed on the flat foil 110C.

In addition, the blister foil 110B may be an integrated structure, and the flat foil 110C on the inner side of the blister foil 110B is only one layer, so that the number of parts during installation can be reduced, the installation efficiency can be improved, and the overall weight and production cost of the bearing can be reduced on the basis of satisfying the rotation. Bearing seat 110A

In any of the above embodiments, further comprising: a commutation component electrically coupled to the processor, the processor configured to execute computer instructions to perform the steps of: the conduction direction of the reversing assembly is configured, and the indoor air is cooled or heated through the air supply flow path 118; and the return air flow path is communicated with the air supply flow path and is used for receiving indoor air.

In the embodiment, the reversing assembly is arranged to realize the switching between the cooling mode and the heating mode.

In any of the embodiments described above, as shown in fig. 1, the compressor 112 is provided with a return port and the expander 106 is provided with a discharge port, and the reversing assembly comprises: a first reversing component 116, electrically connected to the processor, connected to the return air inlet, the inlet of the expander 106, the outlet of the internal circulation flow path 1022 and the return air flow path, for communicating the return air inlet with the outlet of the internal circulation flow path 1022 and the inlet of the expander 106 with the return air flow path, or communicating the inlet of the expander 106 with the outlet of the internal circulation flow path 1022 and the return air inlet with the return air flow path; and a second direction changing unit 114 electrically connected to the processor, connected to an inlet of the internal circulation flow path 1022, an outlet of the compressor 112, an exhaust port, and an air supply flow path for discharging air to the outside, and configured to connect an outlet of the compressor 112 to the air supply flow path and an exhaust port to an inlet of the internal circulation flow path 1022, or connect an outlet of the compressor 112 to an inlet of the internal circulation flow path 1022 and an exhaust port to the air supply flow path.

In this embodiment, by providing the first reversing component 116 and the second reversing component 114, and combining with the control of the processor on the conduction direction of the reversing component, the switching between the heating mode and the cooling mode of the compressed air heat exchange system is realized, that is, the compressed air heat exchange system can have the functions of humidification, heating and humidification, and cooling and humidification.

As a simple and reliable implementation, the first reversing component 116 and the second reversing component 114 are both four-way valves.

EXAMPLE five

As shown in fig. 10, the operation control method of the compressed air heat exchange system according to the embodiment includes:

step 1002, responding to a setting instruction of a wind guide mode, and configuring a target position of a wind guide body corresponding to the setting instruction; step 1004, configuring a rotation stroke of a driving motor for driving the air guide body to rotate according to the target position; and step 1006, controlling the driving motor to operate according to the rotation stroke.

In the embodiment, the air guide body is arranged in the air supply flow path, the air guide body is driven to rotate by different angles by limiting the shape of the air guide body and combining with the rotation stroke corresponding to the operation of the driving motor, so as to reach the corresponding target position, and the cross section shape of the target position is different from that of the initial position, so that the air flow can generate different air outlet directions after passing through the air guide body, and further the adjustment of the air outlet direction is realized, thereby the air guide assembly can be hidden in the air supply flow path, and an air guide grid or an air guide strip is not required to be arranged at an air outlet, so that the attractiveness of the air outlet at the indoor side is improved.

As shown in fig. 2, the target position of the air guide body corresponding to the setting instruction will be further described with respect to the setting instruction of the air guide mode on the premise that the air inlet of the room is set to the upper part of the room and the air outlet is set to the lower part of the room.

Specifically, the air guide body is an elliptical cylinder with an elliptical cross section, the elliptical cylinder comprises a central axis, the driving motor drives the elliptical cylinder to rotate around the central axis, the position where the long axis is overlapped with the air inlet direction is determined as a reference position, one end, close to the air outlet of the air supply flow path, of the long axis is determined as a forward end point at the reference position, and the direction of downward rotation of the air guide body towards the forward end point is determined as a forward direction.

The air guide body is an elliptical cylinder with an elliptical cross section, the elliptical cylinder comprises a central axis, the drive motor drives the elliptical cylinder to rotate around the central axis, the position where the long axis is overlapped with the air inlet direction is determined as a reference position, the end, close to the air outlet of the air supply flow path, of the long axis is determined as a forward end point at the reference position, the direction of downward rotation of the forward end point is determined as a forward direction, and the included angle α of the rotation angle of the elliptical body is shown in fig. 6.

In the above embodiment, in response to a setting instruction of the air guiding mode, configuring a target position of the air guiding body corresponding to the setting instruction specifically includes: and determining a position reached by controlling the air guide body to rotate by a first angle in the forward direction as a target position, wherein the first angle is greater than or equal to 10 degrees and less than or equal to 90 degrees, as shown in fig. 4.

In this embodiment, taking the air guide body as an elliptical cylinder, that is, an elliptical cylinder as an example, the central axis of the elliptical cylinder is configured as the rotating axis of the elliptical cylinder, that is, the central axis is arranged coaxially with the motor axis, that is, the elliptical cylinder can rotate around the central axis, so that different angles are formed between the long axis of the elliptical cylinder and the central axis of the air supply flow path, so that different air supply angles are generated after the air flow passes through the air guide body, and the air flow is guided into the room based on different air supply angles, thereby satisfying different air direction requirements of users.

Specifically, first angle is more than or equal to 10 to and be less than or equal to 90, the air current can obliquely blow down through air guide body, in order to realize the sensible air supply, rotates through control air guide body, changes the air-out direction, through the probability that the increase directly blows to the user, improves the sensible wind degree.

In any of the embodiments described above, in response to a setting instruction of the air guiding mode, configuring a target position of the air guiding body corresponding to the setting instruction specifically includes: setting instructions are used for controlling the compressed air heat exchange system to enter a no-wind-sense mode, and determining a position reached by controlling the wind guide body to rotate in the forward direction by a second angle as a target position, wherein the second angle is greater than or equal to 95 degrees and less than or equal to 150 degrees, as shown in fig. 5.

In this embodiment, by limiting the range of the second angle, the outlet wind direction of the airflow tends to be more upward, and the non-wind blowing is realized by reducing the probability of blowing directly to the user.

As shown in fig. 1, the temperature of the outlet air is detected by providing a temperature sensor 124.

In any of the above embodiments, the compressed air heat exchange system includes a pressure boost expansion assembly, and further includes: in the refrigeration mode, if the air supply temperature needs to be reduced, the rotating speed of a motor in the supercharging expansion assembly is controlled to be increased; and if the air supply temperature needs to be increased, controlling to reduce the rotating speed of the motor in the supercharging expansion assembly.

In any of the above embodiments, the compressed air heat exchange system includes a pressure boost expansion assembly, and further includes: in the heating mode, if the air supply temperature needs to be increased, the rotating speed of a motor in the pressurization expansion assembly is controlled to be increased; and if the air supply temperature needs to be reduced, controlling to reduce the rotating speed of the motor in the supercharging expansion assembly.

As shown in fig. 11, according to the utility model discloses compressed air heat transfer system still includes: a memory 1102 and a processor 1104.

A memory 1102 for storing program code; and the processor 1104 can be electrically connected with the motor, the fan, the four-way valve, the control valve, and the like, and is used for calling a program code to execute the operation control method of the compressed air heat exchange system according to any embodiment.

In an embodiment of the invention, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, realizes the steps of the method for controlling a compressed air heat exchange system according to any one of the above.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A compressed air heat exchange system, comprising:

a processor;

the heat exchanger comprises an inner circulation flow path and an outer circulation flow path which are arranged in parallel, and two ends of the outer circulation flow path are communicated with the outside;

the fan is arranged on the external circulation flow path;

a booster expansion assembly electrically connected to the processor and in communication with the internal circulation flow path;

the air supply flow path is communicated with the pressurization expansion assembly and is used for supplying air to the indoor space;

the air guide assembly comprises a driving motor which can be fixedly arranged and an air guide body which is driven by the driving motor to rotate, the air guide body is arranged in the air supply flow path, two ends of the air guide body are respectively connected to a motor shaft and a fixed supporting shaft of the driving motor, the cross section of the air guide body can be limited on a plane which passes through the motor shaft and is vertical to the air inlet direction of the air supply flow path, and the cross section can change along with the rotation of the air guide body,

the processor is configured to execute computer instructions to perform the steps of: and controlling the driving motor to drive the air guide body to rotate so as to change an air supply channel between the air supply flow path and the air guide body by changing the cross section.

2. The compressed air heat exchange system of claim 1,

the air guide body is constructed as an elliptical cylinder with an elliptical cross section, one end of the elliptical cylinder is connected to the motor shaft, and the other end of the elliptical cylinder is connected to the fixed support shaft.

3. The compressed air heat exchange system of claim 2,

the rotation axis of the wind guide body is parallel to the central axis of the ellipse and passes through the long axis of the ellipse.

4. The compressed air heat exchange system of claim 3,

the rotation axis of the air guide body is superposed with the central axis of the ellipse;

the eccentricity of the ellipse is greater than or equal to 0.85 and less than or equal to 0.95.

5. The compressed air heat exchange system of claim 1,

the air guide body is configured as a rectangular air guide body, and an axis passing through a center point of the rectangular air guide body and extending along a length defensive line is configured as a rotating shaft of the rectangular air guide body to connect the motor shaft and the fixed support shaft at both sides of the axis, respectively.

6. The compressed air heat exchange system of claim 5,

the ratio of the height to the length and/or the ratio of the width to the length of the rectangular wind guide body are greater than or equal to 0.75 and less than or equal to 1.

7. The compressed air heat exchange system of claim 1,

and a motor shaft of the driving motor is horizontally arranged so as to define a circumferential air duct on the upper side and the lower side of the air guide body.

8. The compressed air heat exchange system of claim 1,

and a motor shaft of the driving motor is longitudinally arranged so as to define a circumferential air duct on the left side and the right side of the air guide body.

9. A compressed air heat exchange system according to any one of claims 1 to 8 wherein the booster expansion assembly comprises:

a compressor and an expander connected by a rotating shaft, the compressor being connected to one end of the internal circulation flow path, the expander being connected to the other end of the internal circulation flow path;

the motor is electrically connected with the processor and is used for driving the rotating shaft to rotate;

the bearing, set up in the junction of compressor and pivot, and the expander with the junction of pivot, motor drive the pivot rotates, drives the compressor with the expander operation makes the entering the air of compressor steps up the intensification, gets into the air step-down cooling of expander.

10. The compressed air heat exchange system of claim 9,

the bearing includes a bump foil type foil bearing including:

the bearing seat is provided with a fixing groove on the inner side wall;

the multilayer foil is sleeved on the inner side of the bearing seat and provided with a fixing part, and the fixing part is matched with the fixing groove to fixedly connect the multilayer foil with the bearing seat; the multilayer foil comprises a flat foil and a bubbling foil sleeved on the radial outer side of the flat foil;

wherein the mounting direction of each layer of the foil is opposite to the rotation direction of the bearing.

11. The compressed air heat exchange system of claim 10,

the bubbling foil comprises a plurality of arc sheets, the arc sheets are distributed at intervals along the circumferential direction of the bearing, the number of the flat foils is two, and the flat foils adjacent to the bubbling foil are connected with the arc sheets; or

The bubbling foil is of an integrated structure, and the number of the flat foils is one.

12. The compressed air heat exchange system of claim 9, further comprising:

a commutation component electrically coupled to the processor, the processor configured to execute computer instructions to perform the steps of: the conduction direction of the reversing assembly is configured, and the indoor refrigeration or heating is carried out through the air supply flow passage;

and the return air flow path is communicated with the air supply flow path and is used for receiving indoor air.

13. The compressed air heat exchange system of claim 12 wherein the compressor is provided with a return port and the expander is provided with a discharge port, the reversing assembly comprising:

the first reversing assembly is electrically connected with the processor, is connected with the return air port, the inlet of the expander, the outlet of the internal circulation flow path and the return air flow path, and is used for conducting the return air port and the return air flow path as well as the inlet of the expander and the outlet of the internal circulation flow path or conducting the return air port and the outlet of the internal circulation flow path as well as the inlet of the expander and the return air flow path;

and the second reversing assembly is electrically connected with the processor, is connected with the inlet of the internal circulation flow path, the outlet of the compressor, the exhaust port and the air supply flow path, and is used for communicating the outlet of the compressor with the inlet of the internal circulation flow path and the exhaust port with the air supply flow path or communicating the outlet of the compressor with the air supply flow path and the exhaust port with the inlet of the internal circulation flow path.

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