CN113639522B

CN113639522B - Cooling device and cooling system

Info

Publication number: CN113639522B
Application number: CN202110855703.2A
Authority: CN
Inventors: 谭秋林; 赵中梁; 张磊; 董和磊
Original assignee: North University of China
Current assignee: North University of China
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2023-03-31
Anticipated expiration: 2041-07-30
Also published as: CN113639522A

Abstract

The invention provides a cooling device and a cooling system, the device comprises: the cooling main body, the rotating mechanism and the electric control unit; the rotating mechanism is used for being connected with the rotating component to be tested; the cooling main body is fixedly connected to a preset position and surrounds the rotating mechanism, and cooling media are circulated in the cooling main body to cool the rotating mechanism; the electric control unit is used for controlling the speed of the cooling medium sent into the cooling main body so as to control the temperature of the rotating mechanism. The cooling device is connected with the rotating part to be measured through the rotating mechanism, the cooling main body surrounds the rotating mechanism, the cooling medium is introduced to cool the rotating mechanism, the cooling efficiency is effectively improved, the circulation speed of the cooling medium of the cooling main body is controlled through the electric control unit, the temperature of the rotating mechanism can be accurately controlled, and the cooling efficiency is further improved.

Description

Cooling device and cooling system

Technical Field

The invention relates to the technical field of refrigeration, in particular to a cooling device and a cooling system.

Background

The temperature is the most basic physical quantity in life and production, represents the cold and hot degree of an object, and in many production processes, the measurement and control of the temperature are directly associated with important technical and economic indexes such as safe production, production efficiency improvement, product quality guarantee, energy conservation and the like, so that the temperature control cannot be avoided in the industrial production process. Currently, temperature control is widely applied to various fields of social life, such as household appliances, automobiles, materials, power electronics and the like, and temperature is one of important indexes for normal operation of equipment and is also an important parameter for ensuring the safety of the equipment.

At present, detection equipment usually works in a severe environment and faces a series of severe conditions such as high temperature, high rotation, high vibration and the like, the working performance of the equipment is closely related to the temperature of the working environment, and in order to ensure the normal work of the equipment, the equipment is generally required to be provided with a cooling device, and the working performance and the service life of the equipment are directly influenced by the cooling performance of the cooling device.

In the prior art, flowing water is generally introduced into a water tank to cool detection equipment, and the cooling efficiency is low.

Disclosure of Invention

The embodiment of the invention provides a cooling device and a cooling system, which aim to solve the problems of low cooling efficiency and the like in the prior art.

In a first aspect, an embodiment of the present invention provides a cooling device, including: the cooling main body, the rotating mechanism and the electric control unit;

the rotating mechanism is used for being connected with the rotating component to be tested;

the cooling main body is fixedly connected to a preset position and surrounds the rotating mechanism, and a cooling medium is circulated in the cooling main body to cool the rotating mechanism;

the electric control unit is used for controlling the speed of the cooling medium sent into the cooling main body so as to control the temperature of the rotating mechanism.

In a second aspect, an embodiment of the present invention provides a cooling system, including:

a rotating part to be tested and a device as described above in the first aspect and in various possible designs of the first aspect.

According to the cooling device and the cooling system provided by the embodiment of the invention, the rotating mechanism is connected with the rotating component to be measured, the cooling main body surrounds the rotating mechanism, the cooling medium is introduced to cool the rotating mechanism, the cooling efficiency is effectively improved, the flow speed of the cooling medium of the cooling main body is controlled by the electric control unit, the temperature of the rotating mechanism can be accurately controlled, and the cooling efficiency is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic axial sectional view of a cooling device according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A1-A2 of a cooling device according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an exemplary cooling body provided in accordance with an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of an exemplary rotating mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a first slot wall and a second slot wall provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a slot bottom provided by an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a slot cover according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating an exemplary structure of an electronic control unit according to an embodiment of the present invention;

fig. 9 is another exemplary structural schematic diagram of an electronic control unit according to an embodiment of the present invention;

fig. 10 is a schematic cross-sectional view illustrating a positional relationship between a cooling body and a rotating mechanism according to an embodiment of the present invention;

FIG. 11 is an exemplary isometric view of a cooling device provided in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a cooling system according to an embodiment of the present invention;

fig. 13 is a schematic operation flow chart of a cooling system according to an embodiment of the present invention.

Reference numerals:

10-a cooling device;

11-cooling the body;

111-annular cooling groove;

1111-a first tank wall;

1112-a second slot wall;

1113-tank bottom;

112-a slot cover;

1121 — a first opening;

1122-a second opening;

1123-via hole;

12-a rotation mechanism;

121-adaptor flange;

122-a synchronous rotor;

123-a flange cover;

13-an electronic control unit;

131-a controller;

132-a temperature sensor;

133-motor speed regulator;

134-a cooling pump;

20-a cooling system;

30-rotating part to be tested.

With the above figures, there are shown certain embodiments of the invention and will be described in more detail hereinafter. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the following examples, "plurality" means two or more unless specifically limited otherwise.

The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.

An embodiment of the present invention provides a cooling apparatus for cooling an ambient temperature of a detection processing component, for example, a processor, a signal lead connected to a sensor, a communication unit, or other components related to sensor parameter detection, in various situations where temperature strain or the like of a rotating component needs to be detected.

Fig. 1 is a schematic axial sectional structure diagram of the cooling device provided in this embodiment, and fig. 2 is a schematic cross-sectional structure diagram of the cooling device provided in this embodiment along a line A1-A2; the device 10 comprises a cooling body 11, a rotating mechanism 12 and an electronic control unit 13; the rotating mechanism 12 is connected with a rotating component to be measured, the cooling body 11 is fixedly connected to a preset position and surrounds the rotating mechanism 12, and the cooling body 11 is used for circulating a cooling medium to cool the rotating mechanism 12; the electronic control unit 13 controls the speed of the cooling medium sent to the cooling body 11, so that the temperature of the rotating mechanism 12 can be controlled, a normal temperature environment is provided for the parameter detection related components arranged inside the rotating mechanism 12, and the normal work of the parameter detection related components is ensured.

The rotary mechanism is a hollow component, related electronic components for detecting and processing parameters such as temperature, strain, pressure and the like of the rotary component to be detected are integrated in the rotary mechanism, such as electronic components such as a circuit board, a control unit, a processing unit, a signal lead wire or a cable of a sensor, a communication unit and the like, the rotary mechanism is connected with the rotary component to be detected and synchronously rotates with the rotary component to be detected, because the rotary component to be detected usually works in environments such as high temperature, high rotation, high vibration and the like, the temperature of the rotary mechanism can be transmitted to the rotary mechanism through a rotary shaft, so that the working environment temperature of the electronic components of the related components for parameter detection can be increased, in order to ensure the normal work of the related components for parameter detection, a cooling main body is surrounded around the rotary mechanism, a tiny air gap can be reserved between the rotary mechanism and the rotary mechanism to ensure the normal rotation of the rotary mechanism, the cooling main body is of a hollow structure, the hollow part can be circulated with low-temperature cooling medium, the heat of the rotary mechanism can be taken away by the flowing of the cooling medium, so that the rotary mechanism is in a normal temperature range, and a proper temperature environment can be provided for the related components for parameter detection; in order to improve cooling efficiency, guarantee the accurate control to slewing mechanism temperature through the circulation speed of the cooling medium of the automatically controlled unit control cooling main part, the circulation speed is big more, cooling speed is fast more, can reduce rotary mechanism's temperature fast, through adjusting cooling medium's circulation speed, can control refrigerated speed, can accelerate circulation speed rapid cooling when the temperature is higher on the one hand, on the other hand when the temperature is not too high, can reduce circulation speed, the energy saving.

Optionally, rotary mechanism can include synchronous rotor, synchronous rotor through certain mode and the rotary part fixed connection that awaits measuring, with the rotary part synchronous revolution that awaits measuring, for example through adaptor flange and blind flange and the rotary part fixed connection that awaits measuring, concrete connection mode can set up according to actual need. The temperature sensor, the strain sensor and the pressure sensor for detecting the temperature, the strain, the pressure and other parameters of the rotating component to be detected are fixed on the rotating component to be detected, the temperature sensor, the strain sensor and the pressure sensor are connected to the communication unit in the synchronous rotor from the hollow shaft of the rotating mechanism through signal leads, the acquired sensor signals are transmitted to the processor through the communication unit, and the processor obtains the temperature, the strain, the pressure and other parameters of the rotating component to be detected according to the sensor signals.

The rotating part to be measured can be a rotating part in any engineering, such as an engine impeller and the like of a spacecraft, an aircraft and the like, and can be specifically set according to actual requirements.

Alternatively, the cooling medium circulated by the cooling body may be set according to actual requirements, such as low-temperature cooling water or other practicable cooling media may be selected.

Alternatively, the hollow structure of the cooling body may be set according to actual requirements, for example, it may be set as an annular cooling groove, the annular cooling groove includes a first groove wall close to the central axis, a second groove wall far from the central axis, and a groove bottom, and the first groove wall, the second groove wall, and the groove bottom form the annular cooling groove. The cooling main body can further comprise a groove cover, the groove cover is fixedly connected with the annular cooling groove, specifically, the groove cover is hermetically connected with the top ends of the two side walls of the annular cooling groove, so that the cooling medium is prevented from flowing out of the edge opening of the groove wall, and the circulation of the cooling medium in the annular cooling groove can be realized by opening a hole in the groove cover, for example, a first opening and a second opening can be formed for respectively feeding and flowing out of the cooling medium; first opening and second opening part can be connecting tube respectively, for example can weld the pipe of stainless steel preparation, and the other end of first open-ended pipe can be connected with the cooling pump for send into coolant through the cooling pump, and the other end of second open-ended pipe can be connected with the coolant recycling bin, and the thermal coolant who will absorb heat retrieves further cooling back circulation and uses.

The cooling device is connected with the rotating part to be measured through the rotating mechanism, the cooling main body surrounds the rotating mechanism, the cooling medium is introduced to cool the rotating mechanism, the cooling efficiency is effectively improved, the circulation speed of the cooling medium of the cooling main body is controlled through the electric control unit, the temperature of the rotating mechanism can be accurately controlled, and the cooling efficiency is further improved.

In order to make the technical solution of the present invention clearer, the apparatus provided in the above embodiment is further described in an additional embodiment of the present invention.

As a practical manner, in order to further improve the cooling efficiency, as shown in fig. 3, an exemplary cross-sectional schematic view of the cooling body provided in the present embodiment is provided, on the basis of the above embodiment, optionally, the cooling body 11 includes an annular cooling groove 111 and a groove cover 112; the top ends of the two groove walls of the annular cooling groove 111 are fixedly connected with the groove cover 112, the groove cover 112 is provided with a first opening 1121 and a second opening 1122, the first opening 1121 is used for feeding a cooling medium, the second opening 1122 is used for discharging the cooling medium, and the annular cooling groove 111 is used for surrounding the rotating mechanism 12 and cooling the rotating mechanism 12.

Alternatively, as shown in fig. 3, the annular cooling groove 111 includes a first groove wall 1111, a second groove wall 1112 and a groove bottom 1113, the first groove wall 1111 is a groove wall close to the central axis, the second groove wall 1112 is a groove wall far from the central axis, the cross sections of the first groove wall 1111 and the second groove wall 1112 are circular rings, the cross section of the groove bottom 1113 is also circular ring, and the cross section of the groove cover 112 is also circular ring; the first groove wall 1111, the second groove wall 1112, and the groove bottom 1113 constitute the annular cooling groove 111.

Alternatively, the top ends of the two groove walls of the annular cooling groove 111 and the groove cover 112 may be fixedly connected by welding; the annular cooling groove 111 and the groove cover 112 may be made of stainless steel according to actual requirements.

Alternatively, the groove cover 112 of the annular cooling groove 111 is fixedly connected to a preset position, and the preset position may be set according to actual requirements as long as the rotating mechanism 12 and the rotating component to be tested can be fixedly connected, and the annular cooling groove 111 surrounds the rotating mechanism 12, so as to ensure that the rotating mechanism 12 can be effectively cooled. Optionally, the fixing manner of the slot cover 112 and the preset position may be set according to actual requirements, for example, the slot cover may be fixed to the preset position by using a bolt through a through hole formed in the slot cover 112.

As another implementable manner, in order to ensure real-time detection of parameters such as temperature, strain, pressure, and the like of the rotating component to be detected, as shown in fig. 4, an exemplary cross-sectional schematic diagram of the rotating mechanism provided in this embodiment is provided. The rotating mechanism 12 comprises an adapter flange 121, a synchronous rotor 122 and a flange cover 123; one end of the adapter flange 121 is connected with the rotating component to be tested, the other end of the adapter flange 121 is connected with one end of the synchronous rotor 122, and the other end of the synchronous rotor 122 is connected with the flange cover 123, so that the synchronous rotor 122 and the rotating component to be tested synchronously rotate; the electronic control unit 13 is used to control the speed of the cooling medium fed into the annular cooling groove 111 to control the temperature of the rotary mechanism 12.

Optionally, the flange cover 123 and the synchronous rotor 122 may be fixedly connected by bolts, the synchronous rotor 122 and the adaptor flange 121 may also be fixedly connected by bolts, electronic components such as a processing unit, a circuit board, and a communication unit for detecting parameters of the rotating component to be detected are integrated in a shaft of the synchronous rotor, a temperature sensor, a pressure sensor, and a strain sensor disposed on the rotating component to be detected are connected to corresponding electronic components in the synchronous rotor by signal leads or cables, the electronic components and the sensor are in a relatively static state, so as to achieve real-time acquisition of sensor signals, and further, the acquired information (or the acquired information after certain processing) may be transmitted to the outside by a wireless communication unit in the synchronous rotor, thereby effectively solving the problem that the related parameters of the rotating component to be detected cannot be acquired in real time in the prior art.

Illustratively, as shown in fig. 5, a schematic cross-sectional view of the first groove wall and the second groove wall is provided for this embodiment; as shown in fig. 6, a schematic cross-sectional view of the groove bottom provided in this embodiment is shown; as shown in fig. 7, for a schematic cross-sectional view of the slot cover provided in this embodiment, in addition to the first opening 1121 and the second opening 1122, 4 through holes 1123 are further formed on the slot cover 112 for fixing the slot cover at a predetermined position.

As another implementable manner, as shown in fig. 8, an exemplary structural schematic diagram of the electronic control unit provided in this embodiment is provided, and in order to improve the accuracy of temperature control, on the basis of the above embodiment, optionally, the electronic control unit 13 includes a controller 131 and a temperature sensor 132; the temperature sensor 132 is arranged in the annular cooling groove 111, the temperature sensor 132 is electrically connected with the controller 131, and the temperature sensor 132 is used for detecting the temperature information of the cooling medium in the annular cooling groove 111 and sending the information to the controller 132; a controller 132 for controlling the speed of the cooling medium fed into the annular cooling groove 111 based on the received temperature information of the cooling medium.

Specifically, the number of the temperature sensors 132 may be set to one or more according to actual requirements, the temperature sensors 132 are disposed in the annular cooling groove 111, and may be fixedly connected to the inner wall of the annular cooling groove 111 through any practicable connection manner, the temperature sensors 132 may be connected to the controller 131 through cables, the length of the cables may be set according to actual requirements, and the controller 131 may be disposed outside the cooling main body 11 and the rotating mechanism 12 at a certain distance based on the cables, so that the controller 131 may be far away from a high-temperature environment.

Optionally, the controller may control the circulation speed of the cooling medium by any implementable control manner according to actual requirements, for example, a speed regulation rule may be set, and when it is detected that the temperature of the cooling medium in the annular cooling groove is higher than the temperature threshold value, the speed of the cooling medium sent into the annular cooling groove may be reduced by a certain amount according to the speed regulation rule, which may specifically be set according to actual requirements.

Further, in order to ensure the circulation of the cooling medium in the annular cooling groove, as shown in fig. 9, which is another exemplary structural schematic diagram of the electronic control unit provided in this embodiment, the electronic control unit 13 further includes a motor governor 133 and a cooling pump 134; the motor governor 133 is connected to the controller 131 and the cooling pump 134, respectively; the cooling pump 134 is connected to a first opening 1121 of the tank cover 112 through a pipe for feeding a cooling medium to the annular cooling tank 111; the controller 131 controls the flow rate of the cooling medium supplied from the cooling pump 134 through the motor governor 133 to control the speed of the cooling medium supplied to the annular cooling groove 111.

Alternatively, the motor speed regulator 133 may be a dc motor speed regulator, and accordingly, the cooling pump 134 may be a dc cooling pump, the controller 131 receives the temperature information sent by the temperature sensor 132, determines a control signal output to the motor speed regulator 133 according to the temperature information, and sends the control signal to the motor speed regulator 133, and the motor speed regulator 133 adjusts the motor rotation speed of the cooling pump 134 according to the control signal, so as to control the speed of the cooling medium sent to the annular cooling groove 111.

Further, to further improve the accuracy of the temperature control, the controller 131 includes a PID controller; the temperature information of the cooling medium received by the controller 131 is input to the PID controller, obtains a control signal output from the PID controller, and sends the control signal to the motor governor 133 for controlling the speed of the cooling medium fed into the annular cooling groove 111.

Specifically, the controller 131 controls the circulation speed of the cooling medium through a PID control algorithm to realize accurate control of the temperature, and three parameters (i.e., a proportional value, an integral value, and a differential value) of the PID controller can be set according to actual requirements.

Optionally, the PID controller may use an analog circuit to implement the PID adjusting function, or may use computer software to implement the PID adjusting function, the former is called an analog PID controller, the latter is called a digital PID controller, for the digital PID controller, the parameters thereof may be set on-line on site, which may improve the flexibility of the cooling device and have better control effect.

As another practical manner, in order to ensure the stability of the cooling device, a predetermined number of through holes 1123 are further provided on the slot cover 112, and the slot cover is fixed to a predetermined position by the respective through holes. Illustratively, the slot cover may be fixed to a predetermined position by bolts.

As another practicable, the cooling medium is low-temperature cooling water.

As another practicable mode, in order to ensure the normal operation of the rotary mechanism, an air gap with a preset width is left between the rotary mechanism 12 and the first groove wall of the annular cooling groove 111, so that the rotary component rotates normally; the first groove wall is a groove wall of the annular cooling groove close to the central shaft.

Alternatively, the width of the air gap between the rotating mechanism 12 and the first groove wall of the annular cooling groove 111 may be set according to practical requirements, for example, may be set to 1 millimeter (mm), 1.5 mm, 2 mm, and the like, and in order to ensure the cooling effect, the width of the air gap should be as small as possible under the condition of ensuring the normal rotation of the rotating mechanism.

For example, as shown in fig. 10, an exemplary cross-sectional schematic view of a positional relationship between the cooling main body and the rotating mechanism is provided for the present embodiment, where the air gap width d refers to a width of an air gap between the first groove wall of the cooling main body and the synchronous rotor.

Optionally, the specific sizes of the cooling main body and each part of the rotating mechanism may be set according to actual requirements, that is, for different to-be-detected rotating components, adaptive cooling devices of different sizes may be set, for example, the size of the adapting flange of the rotating mechanism and the to-be-detected rotating component is set according to the specific size of the to-be-detected rotating component, and further, the size of the synchronous rotor and the size of the flange cover are set according to the size of the adapting flange; the size of the annular cooling water tank of the cooling body and the sizes of the first opening and the second opening on the tank cover can be set according to the actual required cooling effect, for example, the height of the cooling body (or the depth of the annular cooling tank) can be set according to the size requirement of the rotating mechanism, and the width D of the annular cooling tank (as shown in fig. 10) can be set according to the actual requirement.

Optionally, the material of each part of the cooling device may be set according to actual requirements, for example, the adapter flange of the rotating mechanism may be made of nickel-based alloy, the synchronous rotor and the flange cover may be made of stainless steel, and the annular cooling groove and the groove cover of the cooling main body may also be made of stainless steel.

Optionally, a first opening and a second opening formed in the tank cover can be respectively welded with a guide pipe made of stainless steel, the first opening is connected with the cooling pump through the first guide pipe, the second opening is connected with the cooling medium recovery box through the second guide pipe, and the cooling medium is cooled again and then conveyed to the annular cooling tank through the cooling pump, so that recycling is realized.

An exemplary isometric view of a cooling device is provided for this embodiment, as shown in fig. 11.

It should be noted that the respective implementable modes in the embodiment may be implemented individually, or may be implemented in combination in any combination without conflict, and the present invention is not limited thereto.

The cooling device provided by the embodiment carries out all-around cooling around the rotating mechanism through the annular cooling groove, so that the cooling efficiency and the cooling effect are further improved; the temperature of the cooling medium is detected through a temperature sensor, and the circulation speed of the cooling medium is controlled based on the real-time temperature, so that the cooling efficiency is further improved; the flow rate of the cooling medium is controlled through the PID controller, and the accurate control of the temperature is effectively improved; and, PID control based on cooling medium temperature detects realizes the accurate control to the cooling medium temperature, can also avoid the energy saving when the temperature is lower, solves the unable accurate control temperature of prior art, if the speed of letting in cooling medium is slower can't rapid cooling when the temperature is higher on the one hand, if speed is faster, will cause the extravagant problem of energy when the temperature is lower.

The cooling device provided by the invention can be applied to any scene in which parameters such as temperature, strain, pressure and the like of a rotating component need to be detected, the rotating component is the rotating component to be detected, the cooling temperature control under various rotating environments is realized, and the sizes of all parts of the cooling device and related electric control parameters are set according to actual requirements for different types of rotating components to be detected.

In another embodiment of the present invention, as shown in fig. 12, which is a schematic structural diagram of the cooling system provided in this embodiment, the cooling system 20 includes a rotating component 30 to be tested and the cooling device 10 provided in any one of the above embodiments. The rotating member to be measured is illustrated by an engine impeller.

For example, as shown in fig. 13, for the schematic view of the working flow of the cooling system provided in this embodiment, the cooling medium is low-temperature cooling water as an example, the temperature sensor is a water temperature sensor, the motor speed regulator is a dc motor speed regulator, the cooling pump is a dc water pump, the water temperature sensor is installed in the annular cooling tank to detect a temperature signal of the cooling medium and send the temperature signal to the controller, the controller obtains a control signal to the dc motor speed regulator by using a PID control algorithm based on the temperature signal, and the dc motor speed regulator controls the speed of water delivered by the dc water pump according to the control signal.

It should be noted that the specific structure and operation principle of each part of the cooling system of the present invention have been described in detail in the foregoing embodiments, and are not described herein again.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A cooling apparatus, comprising: the cooling main body, the rotating mechanism and the electric control unit;

the rotating mechanism comprises a synchronous rotor, the synchronous rotor is fixedly connected with the rotating component to be detected and synchronously rotates with the rotating component to be detected, and electronic components which are used for detecting and processing temperature, strain and pressure parameters of the rotating component to be detected and comprise a circuit board, a control unit, a processing unit, a signal lead or cable of a sensor and a communication unit are integrated in the synchronous rotor; the temperature sensor, the strain sensor and the pressure sensor for detecting the temperature, the strain and the pressure parameters of the rotating component to be detected are fixed on the rotating component to be detected and are connected to the communication unit in the synchronous rotor through signal leads or cables, so that the acquired sensor signals are transmitted to the processing unit through the communication unit;

the cooling main body is fixedly connected to a preset position and surrounds the rotating mechanism, and cooling media are circulated in the cooling main body to cool the rotating mechanism;

2. The apparatus of claim 1, wherein the cooling body comprises an annular cooling trough and a trough cover;

the top ends of the two groove walls of the annular cooling groove are fixedly connected with a groove cover, the groove cover is provided with a first opening and a second opening, the first opening is used for feeding cooling media, and the second opening is used for discharging the cooling media;

the annular cooling groove is used for surrounding the rotating mechanism and cooling the rotating mechanism.

3. The apparatus of claim 1, wherein the rotation mechanism comprises a transfer flange, a synchronous rotor, and a flange cover;

one end of the adapter flange is connected with the rotating part to be detected, the other end of the adapter flange is connected with one end of the synchronous rotor, and the other end of the synchronous rotor is connected with the flange cover, so that the synchronous rotor and the rotating part to be detected rotate synchronously.

4. The apparatus of claim 2, wherein the electronic control unit comprises a controller and a temperature sensor;

the temperature sensor is arranged in the annular cooling groove, is electrically connected with the controller and is used for detecting the temperature information of the cooling medium and sending the temperature information to the controller;

and the controller is used for controlling the speed of the cooling medium sent into the annular cooling groove according to the received temperature information of the cooling medium.

5. The apparatus of claim 4, wherein the electronic control unit further comprises a motor governor and a cooling pump;

the motor speed regulator is respectively connected with the controller and the cooling pump;

the cooling pump is connected with the first opening on the tank cover through a conduit and is used for conveying a cooling medium to the annular cooling tank;

the controller controls the flow rate of the cooling medium conveyed by the cooling pump through the motor speed regulator so as to control the speed of the cooling medium conveyed into the annular cooling groove.

6. The apparatus of claim 5, wherein the controller comprises a PID controller;

and the temperature information of the cooling medium received by the controller is input into the PID controller to obtain a control signal output by the PID controller, and the control signal is sent to the motor speed regulator and is used for controlling the speed of the cooling medium sent into the annular cooling groove.

7. The apparatus of claim 2, wherein the chute cover is further provided with a predetermined number of through holes, and the chute cover is fixed to a predetermined position by bolts through the through holes.

8. The apparatus according to any one of claims 1 to 7, wherein the cooling medium is cooling water.

9. The apparatus according to any one of claims 2 to 7, wherein an air gap with a preset width is left between the rotating mechanism and the first groove wall of the annular cooling groove so as to enable the rotating component to normally rotate; the first groove wall is a groove wall of the annular cooling groove close to the central shaft.

10. A cooling system comprising a rotating component to be tested and a device according to any one of claims 1-9.