CN213331649U - Vertical refrigerant driving device - Google Patents
Vertical refrigerant driving device Download PDFInfo
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- CN213331649U CN213331649U CN202021852322.6U CN202021852322U CN213331649U CN 213331649 U CN213331649 U CN 213331649U CN 202021852322 U CN202021852322 U CN 202021852322U CN 213331649 U CN213331649 U CN 213331649U
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- refrigerant
- buffer chamber
- annular frame
- rotor
- pump head
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Abstract
The application discloses a vertical refrigerant driving device, which comprises a rotor, a stator and a motor box for fixing the stator, wherein one side of the motor box in the axial direction is provided with a supporting plate which is in running fit with the rotor, the other side of the motor box is provided with a valve plate which is connected with a pump head, and the pump head is in transmission connection with the rotor; the whole frame construction that is of motor case includes: the three annular frames are sequentially arranged in the axial direction of the rotor and extend in the rotating direction of the rotor, a supporting plate is installed in one annular frame, and a port plate is installed in the other annular frame; the supporting frames are respectively connected with the annular frame in the axial direction of the rotor; the annular frame in the middle and the annular frames on two sides form a primary buffer chamber and a secondary buffer chamber respectively, and the refrigerant is driven by the pump head to sequentially pass through the primary buffer chamber and the secondary buffer chamber. The technical scheme that this application is disclosed has optimized the circulation route of refrigerant through setting up of motor case, and the cooperation can bring higher pump delivery efficiency between each part to improve the performance.
Description
Technical Field
The application relates to the field of manufacturing equipment, in particular to a vertical refrigerant driving device.
Background
The existing heat pipe system mostly adopts a common liquid pump to convey the liquid refrigerant, and even the liquid refrigerant is directly circulated by directly utilizing the height and the drop without using the liquid pump. However, the liquid pump is not used, the flowing effect of the refrigerant is not good, the heat exchange efficiency of the system is affected, the common liquid pump is used, the cost is high, the efficiency of the common liquid pump is low, and the sealing effect is not good. In the field of refrigeration, refrigerant drive devices have been developed, which are used to pressurize a refrigerant in a liquid state.
For example, the prior art discloses a centrifugal refrigerant pump, which includes a housing, a bearing in the housing, a main shaft supported on the bearing, a motor mounted on the main shaft, and an impeller mounted at an end of the main shaft; the motor comprises a motor rotor matched with the spindle and a motor stator matched with the shell; the shell is provided with a limiting mechanism, the limiting mechanism abuts against the motor stator, the limiting mechanism is located on the upstream side of the incoming flow direction of the refrigerant entering the shell, and the motor stator is located on the downstream side of the incoming flow direction.
The inventor finds that the refrigerant driving device in the prior art has large loss in the process of pumping the refrigerant, and has room for improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application discloses a vertical refrigerant driving device which comprises a rotor, a stator and a motor box for fixing the stator, wherein a supporting plate which is in running fit with the rotor is arranged on one side of the motor box in the axial direction, a valve plate which is connected with a pump head is arranged on the other side of the motor box, and the pump head is in transmission connection with the rotor; the whole frame construction that is of motor case includes:
the three annular frames are sequentially arranged in the axial direction of the rotor and extend in the rotating direction of the rotor, the supporting plate is installed in one annular frame, and the valve plate is installed in the other annular frame;
the supporting frames are respectively connected with the annular frame in the axial direction of the rotor;
the annular frame in the middle and the annular frames on two sides form a primary buffer chamber and a secondary buffer chamber respectively, and the refrigerant is driven by the pump head to sequentially pass through the primary buffer chamber and the secondary buffer chamber.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, in the axial direction of the motor case, a plurality of refrigerant via holes are arranged in the stator in a penetrating manner, the primary buffer chamber and the secondary buffer chamber are communicated through the refrigerant via holes, and a refrigerant is driven by the pump head to sequentially pass through the primary buffer chamber, the refrigerant via holes and the secondary buffer chamber.
Optionally, the stator includes a coil and a support for fixing the coil, the support is fixedly connected to the middle annular frame, and the refrigerant passing holes are uniformly arranged in the circumferential direction of the support.
Optionally, in the axial direction of the motor case, an annular frame in the middle of displacement is fixedly connected with the upper part of the support body, and the upper edge of the annular frame is higher than or flush with the upper edge of the support body.
Optionally, in the axial direction of the motor case, a distance between the annular frame located in the middle and the annular frame provided with the port plate is a first-order distance; the distance between the middle annular frame and the annular frame provided with the supporting plate is a second-level distance, and the first-level distance is larger than the second-level distance.
Optionally, the motor case is wholly cylindric and structure as an organic whole, the annular frame with the support frame is by cylindric material goes to expect to produce and forms.
Optionally, the vertical refrigerant driving device further includes a casing, the casing is provided with a feeding port communicated with the pump head and a discharge port located at the other end of the pump head conveying path, the motor box is fixedly connected to the casing, and the casing, the motor box, the stator and the rotor surround to form the primary buffer chamber and the secondary buffer chamber respectively.
Optionally, the periphery of the pump head and the end face of the motor case are in sealing fit, and the circulation path of the refrigerant is set as follows:
the gap among the pump head, the primary buffer chamber and the annular frame, and the gap between the motor box and the shell reach the discharge hole; or
The pump head, the primary buffer chamber, the refrigerant via hole, the secondary buffer chamber, the backup pad extremely the discharge gate.
Optionally, the support plate is provided with a plurality of open ports for the circulation of refrigerant, and the open ports are radially arranged around the rotation axis of the rotor.
Optionally, the open ports are arranged in groups, and the open ports of each group are arranged in equal area or unequal area, wherein when the open ports of each group are arranged in unequal area, the total area of at least one group of open ports is greater than or equal to twice the total area of the other group.
The technical scheme that this application is disclosed has optimized the circulation route of refrigerant through setting up of motor case, and the cooperation can bring higher pump delivery efficiency between each part to improve the performance.
Specific advantageous technical effects will be further explained in conjunction with specific structures or steps in the detailed description.
Drawings
FIG. 1 is a schematic diagram of a vertical refrigerant driving device according to an embodiment;
FIG. 2 is a schematic view of a support plate according to an embodiment;
FIG. 3 is a schematic view of an embodiment of an electric cabinet;
FIG. 4 is a schematic view of a support according to an embodiment;
fig. 5 is a schematic view of the stator in fig. 4 with respect to the direction of the support body AA.
The reference numerals in the figures are illustrated as follows:
11. a rotor; 111. a support plate; 1111. opening the opening; 112. a pump head; 113. a valve plate;
12. a stator; 121. a coil; 122. a support body; 123. refrigerant passing holes;
13. a motor case; 132. an annular frame; 133. a support frame; 134. a primary buffer chamber; 135. a secondary buffer chamber;
14. a housing; 141. a discharge port; 142. and a feeding port.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, the present application discloses a vertical refrigerant driving device, including a rotor 11, a stator 12 and a motor box 13 for fixing the stator 12, wherein one side of the motor box 13 in the axial direction is a supporting plate 111 rotationally matched with the rotor 11, the other side is a port plate 113 connected with a pump head 112, and the pump head 112 is in transmission connection with the rotor 11; the motor case 13 is integrally a frame structure including:
three annular frames 132 arranged in sequence in the axial direction of the rotor 11 and extending in the rotational direction of the rotor 11, wherein one annular frame 132 has the support plate 111 mounted therein, and the other annular frame 132 has the port plate 113 mounted therein;
a plurality of support frames 133, each support frame 133 being connected to the annular frame 132 in the axial direction of the rotor 11;
the ring frame 132 located in the middle and the ring frames 132 located at both sides form a primary buffer chamber 134 and a secondary buffer chamber 135, respectively, and the refrigerant is driven by the pump head 112 to sequentially pass through the primary buffer chamber 134 and the secondary buffer chamber 135.
The motor case 13 formed by the annular frame 132 and the support frame 133 has the advantages of good strength and light weight. More importantly, the structure forms buffer chambers for accommodating the refrigerant on two sides of the stator 12, and provides the functions of energy storage and guidance for the flow of the refrigerant. The technical scheme that this application is disclosed has optimized the circulation route of refrigerant through setting up of motor case 13, and the cooperation can bring higher pump delivery efficiency between each part to improve the performance.
In one embodiment, a plurality of refrigerant passing holes 123 are formed in the stator 12 in an axial direction of the motor case 13 so that the primary buffer chamber 134 and the secondary buffer chamber 135 communicate with each other, and the refrigerant is driven by the pump head 112 to sequentially pass through the primary buffer chamber 134, the refrigerant passing holes 123, and the secondary buffer chamber 135. The refrigerant passing hole 123 can prevent the influence of an excessively small gap between the rotor 11 and the stator 12 on the flow of the refrigerant. Further, in an embodiment, the stator 12 includes a coil 121 and a supporting body 122 for fixing the coil 121, the supporting body 122 is fixedly connected to the middle annular frame 132, and the refrigerant passing holes 123 are uniformly arranged in a circumferential direction of the supporting body 122.
The two buffer chambers may be arranged at equal volumes or different volumes. Referring to an embodiment, in the axial direction of the motor casing 13, the middle displacement annular frame 132 is fixedly connected with the upper portion of the supporting body 122, and the upper edge of the annular frame 132 is higher than or flush with the upper edge of the supporting body 122.
The present embodiment realizes the different spacing of the buffer chambers by the position arrangement of the annular frame 132, referring to an embodiment in which, in the axial direction of the motor case 13, the spacing between the annular frame 132 located in the middle and the annular frame 132 mounted with the port plate 113 is a first-order spacing (D1 in fig. 3); the spacing between the annular frame 132 located in the middle and the annular frame 132 on which the support plate 111 is mounted is a secondary spacing (D2 in fig. 3), which is greater than the secondary spacing.
The unequal volume arrangement of the primary buffer chamber 134 and the secondary buffer chamber 135 can realize the working effects of pressurization, storage and the like of the refrigerant in the flowing process, thereby improving the overall pumping efficiency of the refrigerant.
In terms of production, referring to an embodiment, the motor case 13 is integrally cylindrical and has a unitary structure, and the annular frame 132 and the supporting frame 133 are produced by removing materials from a cylindrical material. This embodiment mode of setting has intensity height, the production of being convenient for, to 13 inner space influences advantages such as little to the motor case.
In view of the overall product, in reference to an embodiment, the vertical refrigerant driving device further includes a housing 14, the housing 14 is provided with a feeding port 142 communicating with the pump head 112 and a discharging port 141 located at the other end of the conveying path of the pump head 112, the motor box 13 is fixedly connected to the housing 14, and the housing 14, the motor box 13, the stator 12 and the rotor 11 surround to form a primary buffer chamber 134 and a secondary buffer chamber 135, respectively.
The casing 14 provides a closed space for closing a flow path of the refrigerant from the inlet 142 to the outlet 141, and the pressure of the refrigerant can be established in the casing 14 to realize the pumping of the refrigerant. The housing 14 functions as a support in addition to providing the function of a pressure vessel as described above.
In the refrigerant flow path, in one embodiment, the outer periphery of the pump head 112 is in sealing engagement with the end face of the motor case 13, and the refrigerant flow path is provided as follows:
the gap between the pump head 112, the primary buffer chamber 134 and the annular frame 132, the gap between the motor box 13 and the housing 14 to the discharge port 141; or
It should be noted that each buffer chamber is not only a space surrounded by end faces on both sides of the support body 122, but also includes a space in the thickness direction of the motor case 13 itself, and the space in the thickness direction of the motor case 13 has a great significance in the case of a small volume in the motor case 13.
On the path of the refrigerant leaving the motor case 13, referring to an embodiment, the supporting plate 111 is provided with a plurality of opening ports 1111 for the refrigerant to flow through, and the opening ports 1111 are radially arranged around the rotation axis of the rotor 11. The radially distributed open ports 1111 can effectively improve the flow velocity of the refrigerant in all directions, especially under the condition that the refrigerant is driven by the rotation of the rotor 11 to rotate.
In the specific arrangement of the open ports 1111, referring to an embodiment, the open ports 1111 are arranged in groups and the open ports 1111 of each group are arranged in equal area or unequal area, wherein when the open ports 1111 of each group are arranged in unequal area, the total area of at least one group of open ports 1111 is greater than or equal to twice the total area of the other group. In order to facilitate the arrangement and installation of the components, the opening 1111 in the drawings is arranged in an unequal area, and includes two opening 1111 with a larger area and a plurality of opening 1111 with a smaller area, which are basically identical in function.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. The vertical refrigerant driving device is characterized by comprising a rotor, a stator and a motor box for fixing the stator, wherein one side of the motor box in the axial direction is provided with a supporting plate which is in running fit with the rotor, the other side of the motor box is provided with a valve plate which is connected with a pump head, and the pump head is in transmission connection with the rotor; the whole frame construction that is of motor case includes:
the three annular frames are sequentially arranged in the axial direction of the rotor and extend in the rotating direction of the rotor, the supporting plate is installed in one annular frame, and the valve plate is installed in the other annular frame;
the supporting frames are respectively connected with the annular frame in the axial direction of the rotor;
the annular frame in the middle and the annular frames on two sides form a primary buffer chamber and a secondary buffer chamber respectively, and the refrigerant is driven by the pump head to sequentially pass through the primary buffer chamber and the secondary buffer chamber.
2. The vertical refrigerant driving device according to claim 1, wherein a plurality of refrigerant passing holes are formed in the stator in an axial direction of the motor case, the primary buffer chamber and the secondary buffer chamber are communicated with each other through the refrigerant passing holes, and a refrigerant is driven by the pump head to sequentially pass through the primary buffer chamber, the refrigerant passing holes, and the secondary buffer chamber.
3. The vertical refrigerant driving device according to claim 2, wherein the stator includes a coil and a support body for fixing the coil, the support body is fixedly connected to the middle annular frame, and the refrigerant passing holes are uniformly arranged in a circumferential direction of the support body.
4. The vertical refrigerant driving device as claimed in claim 3, wherein an annular frame is fixedly connected to an upper portion of the supporting body in a middle of displacement in an axial direction of the motor casing, and an upper edge of the annular frame is higher than or flush with an upper edge of the supporting body.
5. The vertical refrigerant driving device as claimed in claim 1, wherein in the axial direction of the motor casing, a distance between the annular frame located in the middle and the annular frame provided with the port plate is a first-order distance; the distance between the middle annular frame and the annular frame provided with the supporting plate is a second-level distance, and the first-level distance is larger than the second-level distance.
6. The vertical refrigerant driving device as claimed in claim 1, wherein the motor casing is integrally formed in a cylindrical shape, and the annular frame and the supporting frame are formed by removing the cylindrical material.
7. The vertical refrigerant driving device as claimed in claim 2, further comprising a housing, wherein the housing is provided with a feeding port communicating with the pump head and a discharging port located at the other end of the pump head conveying path, the motor box is fixedly connected to the housing, and the housing, the motor box, the stator and the rotor surround to form the primary buffer chamber and the secondary buffer chamber, respectively.
8. The vertical refrigerant driving device according to claim 7, wherein an outer periphery of the pump head is in sealing engagement with an end surface of the motor case, and the refrigerant flow path is provided as follows:
the gap among the pump head, the primary buffer chamber and the annular frame, and the gap between the motor box and the shell reach the discharge hole; or
The pump head, the primary buffer chamber, the refrigerant via hole, the secondary buffer chamber, the backup pad extremely the discharge gate.
9. The vertical refrigerant driving device as claimed in claim 1, wherein the supporting plate is formed with a plurality of opening holes for the refrigerant to flow through, the opening holes being radially arranged around the rotational axis of the rotor.
10. The vertical refrigerant driving device as claimed in claim 9, wherein the open ports are arranged in groups and the open ports of each group are arranged in equal areas or unequal areas, and when the open ports of each group are arranged in unequal areas, the total area of the open ports of at least one group is equal to or larger than twice the total area of the open ports of the other group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852322.6U CN213331649U (en) | 2020-08-31 | 2020-08-31 | Vertical refrigerant driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852322.6U CN213331649U (en) | 2020-08-31 | 2020-08-31 | Vertical refrigerant driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331649U true CN213331649U (en) | 2021-06-01 |
Family
ID=76101116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021852322.6U Active CN213331649U (en) | 2020-08-31 | 2020-08-31 | Vertical refrigerant driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331649U (en) |
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2020
- 2020-08-31 CN CN202021852322.6U patent/CN213331649U/en active Active
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| GR01 | Patent grant | ||
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Address after: Room 8180, building C, 555 Dongchuan Road, Minhang District, Shanghai 201100 Patentee after: Shanghai Fuhuite Pump Manufacturing Co.,Ltd. Address before: Room 8180, building C, 555 Dongchuan Road, Minhang District, Shanghai 201100 Patentee before: SHANGHAI HUSHI REFRIGERATION EQUIPMENT TECHNOLOGY Co.,Ltd. |