CN216929800U - Heat radiation structure of high-speed blower - Google Patents
Heat radiation structure of high-speed blower Download PDFInfo
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- CN216929800U CN216929800U CN202123259992.4U CN202123259992U CN216929800U CN 216929800 U CN216929800 U CN 216929800U CN 202123259992 U CN202123259992 U CN 202123259992U CN 216929800 U CN216929800 U CN 216929800U
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Abstract
The utility model discloses a heat dissipation structure of a high-speed blower, which comprises a motor, a blowing component connected with the motor, and a cooling return pipe, wherein the blowing component is provided with an air inlet and an air outlet; a cooler disposed on the cooling return pipe; and the flow control valve is arranged on the cooling return pipe. The utility model has simple structure and solves the problems of complex cooling structure, low cooling heat dissipation efficiency and high energy consumption of the existing high-speed blower.
Description
Technical Field
The utility model relates to the field of high-speed blowers, in particular to a heat dissipation structure of a high-speed blower.
Background
The driving power of the high-speed blower comes from a high-speed motor, copper loss, iron loss, wind friction loss and the like are generated in the working process of the high-speed motor, the temperature of parts of the high-speed motor is increased due to the loss, the limitation of materials is limited, and the temperature of the parts needs to be controlled within a safe range.
The main heat dissipation modes of the existing high-speed blower include water cooling, shaft cooling impeller or additional installation of a cooling fan, different heat dissipation modes have different heat dissipation effects, and the complexity of the high-speed blower is increased. The water cooling mode has a good heat dissipation effect, but a cooling base and a secondary radiator are added, so that extra electric power needs to be provided; the shaft with the cooling impeller mode needs to add the cooling impeller and the air duct matched with the cooling impeller on the shaft, so that the cooling medium has certain pressure and flow, and the shaft system is lengthened to be complicated; the cooling fan is additionally arranged in a manner of requiring extra electric power to provide the cooling fan for operation, so that the equipment is complex, the volume is increased, and the energy consumption is higher. Therefore, a simple, reliable and highly automated heat dissipation structure is needed to meet the requirement of long-term operation of the high-speed blower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat dissipation structure of a high-speed blower, which is simple in structure and solves the problems of complex cooling structure, low cooling heat dissipation efficiency and high energy consumption of the existing high-speed blower.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heat radiation structure of high-speed air-blower, high-speed air-blower include the motor and the blast air part that links to each other with the motor, the blast air part on be provided with air intake and air outlet, still include:
one end of the cooling backflow pipe is connected with the air outlet, the other end of the cooling backflow pipe is connected with the motor, and airflow in the air outlet is led into the motor;
a cooler disposed on the cooling return pipe;
and the flow control valve is arranged on the cooling return pipe.
Preferably, the cooler is an air-to-air cooler.
Preferably, the flow control valve is arranged between the cooler and the air outlet.
Preferably, the flow control valve is arranged between the cooler and the motor.
Preferably, the flow control valve is a control throttle valve.
Preferably, a plurality of temperature sensors are installed at different positions of the high-speed blower, the temperature sensors are connected with a controller, and the controller is simultaneously electrically connected with the flow control valve.
Furthermore, the temperature sensors are connected with a detection box on the high-speed blower, and the detection box is connected with the controller through a cable.
Preferably, a first cooling air inlet and outlet is arranged at the front end of a motor shell of the motor, a second cooling air inlet and outlet is arranged at the tail end of the motor, and one end of the cooling return pipe is connected with the cooling air inlet and outlet or the second cooling air inlet and outlet.
Preferably, the first cooling air inlet and outlet are uniformly arranged around the circumferential direction of the motor shell.
Preferably, the high-speed blower, the cooling return pipe and the cooler are all arranged in the cabinet.
Compared with the prior art, the utility model has the beneficial effects that:
simple structure adopts endless cooling back flow, can form endless cooling air current when the air-blower work and let in the motor, takes away the heat of motor fast, still is provided with flow control valve, numerous temperature sensor and controller, can realize flow control valve's intelligent control, releases the cooling gas of suitable flow, guarantees that it is required promptly to use, and is extravagant, energy-concerving and environment-protective, also motor safety, reliable operation simultaneously.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a second embodiment of the present invention.
Reference numerals:
1. the device comprises a cabinet, 11, a cooling return pipe, 2, an air inlet, 3, an air outlet, 4, a cooler, 5, a flow control valve, 6, a second cooling air inlet and outlet, 7, a motor, 8, a first cooling air inlet and outlet, 9, a controller, 10 and a detection box.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-2, in order to solve the problems of complex cooling structure, low cooling heat dissipation efficiency and high energy consumption of the existing high-speed blower, the utility model provides the following technical scheme: the utility model provides a heat radiation structure of high-speed blower, high-speed blower include motor 7 and the blast air part that links to each other with motor 7, blast air part on be provided with air intake 2 and air outlet 3, blast air part includes the blower casing and sets up the flabellum in the blower casing inside, the flabellum is driven by motor 7, inhales outside air through air intake 2, discharges from air outlet 3, and air intake 2 sets up in the axial one side of blower casing, and air outlet 3 is preferably tubulose, the tangential setting is in one side of blower casing, can be at air outlet 3 department blowout high-speed air current.
In this embodiment, as high-speed air-blower's heat radiation structure, still include cooling back flow 11, cooling back flow 11's one end link to each other with air outlet 3, the other end links to each other with motor 7, introduce motor 7 with the air current in the air outlet 3 inside, cooler 4 sets up on cooling back flow 11, and simultaneously, flow control valve 5 is installed on cooling back flow 11, the high-pressure draught of following air outlet 3 exhaust has partly to enter into cooling back flow 11, cool down through cooler 4, inside rethread flow control valve 5 carries out flow control and lets in motor 7, just so can take away the heat that produces when motor 7 high-speed operation, satisfy the long-time needs of operation of motor 7.
The cooler 4 may be an air-air cooler, or may be another cooler, such as a fin cooler.
In this embodiment, the position of the flow control valve 5 may be adjusted according to the design of the system, and the flow control valve 5 may be disposed between the cooler 4 and the air outlet 3, or between the cooler 4 and the motor 7.
In the present embodiment, the flow control valve 5 is preferably a control throttle valve, which can convert the high pressure airflow in the cooling return pipe 11 into low pressure air, and can prevent the airflow entering the motor 7 from generating noise due to high pressure.
In order to realize intelligent control of the cooling air flow entering the motor 7, a plurality of temperature sensors are installed at different positions of the high-speed blower, the temperature sensors are connected with a controller 9, the controller 9 is electrically connected with the flow control valve 5 at the same time, and as an intelligent control method of the cooling air flow, for example, the following formula is adopted:
wherein, T0Indicating the ambient temperature, T1、T2And T3Indicating the temperature, T, of different locations of the winding of a high-speed motor4Indicating the temperature, T, of the gas entering the interior of the high speed motormaxDenotes the temperature limit of the material used for the motor, Q denotes the cooling gas flow into the interior of the high-speed motor, f denotes the sum of T and0、T1、T2、T3、T4the function concerned, in particular the corresponding function of the cooling gas flow rate and the temperature, can be found in the common knowledge of the person skilled in the art.
Obtaining, by simulation or experiment, the temperature limit T that satisfies the different materials used for the electric machine 7maxThe next required cooling gas flow Q data table is programmed into the controller 9 for determining the flow function (as above formula) under different conditions.
Through the theoretical principle of intelligent judgment, obtain required cooling gas flow under the different operating mode operational aspect for control flow control valve 5 releases the cooling gas of suitable flow, guarantees to use promptly required, and is extravagant, energy-concerving and environment-protective, also motor safety, reliable operation simultaneously.
Moreover, the motor 7 has the highest working efficiency under different working conditions by the intelligent control method.
In this embodiment, the temperature sensors are all connected to the detection box 10 of the high-speed blower, the detection box 10 is connected to the controller 9 through a cable, and a large number of temperature sensors can be centrally managed through the detection box 10, so that the number of connection lines between the temperature sensors and the controller 9 is reduced.
In this embodiment, as a structure of the motor 7, the front end of the motor housing of the motor 7 is provided with a first cooling air inlet/outlet 8, the tail end of the motor 7 is provided with a second cooling air inlet/outlet 6, one end of the cooling return pipe 11 is connected with the cooling air inlet/outlet 8 or the second cooling air inlet/outlet 6, and a gap through which an air flow can pass is formed inside the motor housing, as shown in fig. 1, the cooling return pipe 11 is directly connected to the second cooling air inlet/outlet 6, enters the motor housing from the second cooling air inlet/outlet 6, and is discharged from the first cooling air inlet/outlet 8, so that the cooling air flow can pass through the inside of the motor housing.
Meanwhile, as shown in fig. 2, the cooling return pipe 11 may also be directly connected to the first cooling air inlet/outlet 8 and then discharged from the second cooling air inlet/outlet 6, so that the cooling air flow can pass through the inside of the motor casing, and can be selected as required.
Preferably, the first cooling air inlet/outlet 8 is provided with a plurality of air inlets and air outlets uniformly arranged around the circumferential direction of the motor shell, so that the air inlet efficiency or the air exhaust efficiency of cooling air flow in the motor shell can be improved.
As shown in fig. 1-2, the high-speed blower, the cooling return pipe 11 and the cooler 4 are all installed in the cabinet 1, so as to facilitate centralized management.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat radiation structure of high-speed blower, high-speed blower include motor (7) and the blast air part that links to each other with motor (7), blast air part on be provided with air intake (2) and air outlet (3), its characterized in that includes:
one end of the cooling backflow pipe (11) is connected with the air outlet (3), the other end of the cooling backflow pipe (11) is connected with the motor (7), and airflow in the air outlet (3) is led into the motor (7);
a cooler (4) provided on the cooling return pipe (11);
and a flow control valve (5) mounted on the cooling return pipe (11).
2. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the cooler (4) is an air-to-air cooler.
3. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the flow control valve (5) is arranged between the cooler (4) and the air outlet (3).
4. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the flow control valve (5) is arranged between the cooler (4) and the motor (7).
5. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the flow control valve (5) is a control air throttle.
6. The heat dissipation structure of a high-speed blower according to claim 1, wherein: different positions of the high-speed blower are provided with a plurality of temperature sensors, the temperature sensors are connected with a controller (9), and the controller (9) is electrically connected with the flow control valve (5) simultaneously.
7. The heat dissipation structure of a high-speed blower according to claim 6, wherein: the temperature sensors are all connected with a detection box (10) on the high-speed blower, and the detection box (10) is connected with a controller (9) through a cable.
8. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the front end of the motor shell of the motor (7) is provided with a first cooling air inlet/outlet (8), the tail end of the motor (7) is provided with a second cooling air inlet/outlet (6), and one end of the cooling return pipe (11) is connected with the cooling air inlet/outlet (8) or the second cooling air inlet/outlet (6).
9. The heat dissipation structure of a high-speed blower according to claim 8, wherein: the first cooling air inlet and outlet (8) are uniformly arranged around the circumferential direction of the motor shell.
10. The heat dissipation structure of a high-speed blower according to claim 1, wherein: the high-speed blower, the cooling return pipe (11) and the cooler (4) are all arranged in the cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123259992.4U CN216929800U (en) | 2021-12-23 | 2021-12-23 | Heat radiation structure of high-speed blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123259992.4U CN216929800U (en) | 2021-12-23 | 2021-12-23 | Heat radiation structure of high-speed blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216929800U true CN216929800U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123259992.4U Active CN216929800U (en) | 2021-12-23 | 2021-12-23 | Heat radiation structure of high-speed blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216929800U (en) |
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2021
- 2021-12-23 CN CN202123259992.4U patent/CN216929800U/en active Active
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