An air flow deceleration and cooling device for use in a vacuum environment
By designing an airflow reduction and cooling device for vacuum environments, using funnel-shaped coolant pipes and conduit systems, the reduction and cooling of high-speed thin air flow in a vacuum environment is achieved, and the problem of difficulty in realizing airflow reduction and cooling in a vacuum environment is solved in the prior art.
Patent Information
- Application Number
- CN202420675336.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-03
AI Technical Summary
When conducting physical performance testing experiments in vacuum equipment, it is necessary to reduce the speed and cooling of high-speed thin air flow in the vacuum chamber. However, the prior art is difficult to achieve this goal without destroying the vacuum environment.
An airflow reduction and cooling device for use in a vacuum environment is designed, and the device includes a bracket, a coolant tube, a liquid inlet flange and a liquid outlet flange. The coolant pipe is in the shape of a funnel, and the coolant is sent into the tube through a conduit to reduce the speed and cool down of the air flow. Thermocouples are used to monitor temperature.
The device can effectively reduce and cool down high-speed thin air flow in a vacuum environment, ensuring the accuracy of experimental results without destroying the vacuum environment.
Smart Images

Figure CN222703643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vacuum equipment for physical performance testing, in particular to an airflow deceleration and cooling device used in a vacuum environment. Background Art
[0002] The theory of studying the physical motion laws of rarefied gases and the theoretical basis of vacuum technology mainly uses statistical physics and thermodynamic forces to study the interactions between rarefied gas molecules and between molecules and the walls of vessels. Contents include fluctuation phenomena, the characteristics of molecular velocity and energy distribution deviating from the normal ideal gas Maxwell distribution, the serious non-equilibrium states involved in vacuum technology, and the interaction between gas and solid surfaces.
[0003] When conducting physical property test experiments in vacuum equipment, it is necessary to slow down and cool down the high-speed, rarefied airflow in the vacuum chamber. Whether the temperature meets the standard has a great influence on the experimental results. Therefore, it is necessary to slow down and cool down the airflow without destroying the vacuum environment.
[0004] Therefore, those skilled in the art provide an airflow deceleration and temperature reduction device for use in a vacuum environment to solve the problems raised in the above background technology. Utility Model Content
[0005] The utility model aims to provide an airflow deceleration and temperature reduction device for use in a vacuum environment, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] An airflow deceleration and cooling device for use in a vacuum environment comprises a bracket, a coolant pipe is arranged inside the bracket, a liquid inlet flange is arranged on the left side of the bracket, and a liquid outlet flange is arranged on the right side of the bracket.
[0008] As a further solution of the utility model: the coolant pipe gradually shrinks upward and becomes funnel-shaped.
[0009] As a further solution of the utility model: the liquid outlet flange and the liquid inlet flange are connected to the coolant pipe via a conduit, and both sides of the conduit respectively penetrate the liquid inlet flange and extend to the side of the liquid inlet flange away from the coolant pipe.
[0010] As a further solution of the utility model: a thermocouple is arranged inside the coolant pipe.
[0011] As a further solution of the utility model: both sides of the bottom of the bracket are threadedly connected with a first bolt, the bottom of the bracket is interspersed with evenly distributed third bolts, the top of the third bolt passes through the bottom of the coolant pipe and is rotatably connected to the bottom of the coolant pipe through a thread.
[0012] As a further solution of the utility model: a connecting plate is fixedly installed on the top of the coolant pipe, a connecting seat is fixedly installed on the top of the bracket, second bolts are inserted on both sides of the connecting seat, and the bottom of the second bolt passes through the interior of the connecting plate and is connected to the connecting plate through threaded rotation.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model realizes the installation of the coolant pipe by setting a bracket, thereby facilitating the installation of the coolant pipe inside the vacuum chamber to cool the airflow inside the vacuum chamber, and delivering the coolant to the temporal part of the coolant pipe through the liquid inlet flange and the liquid outlet flange to cool the airflow inside the vacuum chamber.
[0015] 2. The utility model achieves deceleration of highly rarefied airflow by configuring the coolant pipe to be funnel-shaped, delivers the coolant to the inside of the coolant pipe through the configuration of the conduit to cool the airflow inside the vacuum chamber, and monitors the temperature inside the vacuum chamber through the configuration of the thermocouple. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of an airflow deceleration and cooling device used in a vacuum environment;
[0017] Figure 2 This is a schematic diagram of a support structure in an airflow deceleration and cooling device used in a vacuum environment;
[0018] Figure 3 This is a schematic diagram of the structure of a bracket in an airflow deceleration and cooling device used in a vacuum environment, viewed from above;
[0019] Figure 4 The present invention is a schematic diagram of the structure of a coolant pipe in an airflow deceleration and cooling device used in a vacuum environment.
[0020] In the figure: 1. bracket; 2. coolant pipe; 3. liquid outlet flange; 4. liquid inlet flange; 5. first bolt; 6. connecting seat; 7. second bolt; 8. third bolt; 9. connecting plate. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 , an airflow deceleration and cooling device for use in a vacuum environment, comprising a bracket 1, a coolant pipe 2 is arranged inside the bracket 1, a liquid inlet flange 4 is arranged on the left side of the bracket 1, and a liquid outlet flange 3 is arranged on the right side of the bracket 1.
[0023] Specifically, the coolant pipe 2 gradually shrinks upward and takes a funnel shape.
[0024] Through the above technical solution, the cooling liquid pipe 2 is arranged in a funnel shape to achieve deceleration of the highly rarefied airflow.
[0025] Specifically, the liquid outlet flange 3 and the liquid inlet flange 4 are connected to the coolant pipe 2 via a conduit, and both sides of the conduit respectively penetrate the liquid inlet flange 4 and extend to a side of the liquid inlet flange 4 away from the coolant pipe 2 .
[0026] Through the above technical solution, the coolant is delivered to the inside of the coolant pipe 2 through the setting of the conduit to cool the airflow inside the vacuum chamber.
[0027] Specifically, a thermocouple is disposed inside the coolant pipe 2 .
[0028] Through the above technical solution, the temperature inside the vacuum chamber is monitored by setting a thermocouple.
[0029] Specifically, first bolts 5 are threadedly connected on both sides of the bottom of the bracket 1, and evenly distributed third bolts 8 are interspersed through the bottom of the bracket 1. The top of the third bolts 8 penetrates to the bottom of the coolant pipe 2 and is rotatably connected to the bottom of the coolant pipe 2 by threads.
[0030] Through the above technical solution, the connection of the bracket 1 relative to the vacuum equipment is achieved through the setting of the first bolt 5, and the bottom of the coolant pipe 2 is fixed relative to the bracket 1 through the setting of the third bolt 8, thereby increasing the stability between the bracket 1 and the coolant pipe 2.
[0031] Specifically, a connecting plate 9 is fixedly installed on the top of the coolant pipe 2, and a connecting seat 6 is fixedly installed on the top of the bracket 1. Second bolts 7 are inserted on both sides of the connecting seat 6. The bottom of the second bolt 7 passes through the interior of the connecting plate 9 and is connected to the connecting plate 9 through threaded rotation.
[0032] Through the above technical solution, the top of the coolant pipe 2 is stably connected relative to the bracket 1 through the cooperation between the connecting seat 6, the second bolt 7 and the connecting plate 9.
[0033] The working principle of the utility model is: the device is installed and fixed in the vacuum chamber through a bracket 1, the liquid inlet flange 4 and the liquid outlet flange 3 are installed on the vacuum chamber interface flange, the coolant flows into the device from the liquid inlet interface and flows out from the liquid outlet interface, so as to achieve rapid cooling of the high-speed rarefied airflow, the airflow flows through the conical funnel-shaped coolant pipe 2, so as to achieve the deceleration of the high-speed rarefied airflow, and the internal temperature is monitored by a thermocouple at the same time.
[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An airflow deceleration and cooling device for use in a vacuum environment, comprising a bracket (1), characterized in that: A coolant pipe (2) is arranged inside the bracket (1), a liquid inlet flange (4) is arranged on the left side of the bracket (1), and a liquid outlet flange (3) is arranged on the right side of the bracket (1).
2. The airflow deceleration and cooling device for use in a vacuum environment according to claim 1, characterized in that: The coolant pipe (2) gradually contracts upwards and takes on a funnel shape.
3. The airflow deceleration and cooling device for use in a vacuum environment according to claim 1, characterized in that: The liquid outlet flange (3) and the liquid inlet flange (4) are connected to the coolant pipe (2) via a conduit, and both sides of the conduit respectively penetrate the liquid inlet flange (4) and extend to the side of the liquid inlet flange (4) away from the coolant pipe (2).
4. The airflow deceleration and cooling device for use in a vacuum environment according to claim 1, characterized in that: A thermocouple is arranged inside the coolant pipe (2).
5. The airflow deceleration and cooling device for use in a vacuum environment according to claim 1, characterized in that: Both sides of the bottom of the bracket (1) are threadedly connected with first bolts (5), and the bottom of the bracket (1) is interspersed with evenly distributed third bolts (8), and the top of the third bolt (8) penetrates the bottom of the coolant pipe (2) and is rotatably connected to the bottom of the coolant pipe (2) by means of threads.
6. The airflow deceleration and cooling device for use in a vacuum environment according to claim 1, characterized in that: A connecting plate (9) is fixedly installed on the top of the coolant pipe (2), and a connecting seat (6) is fixedly installed on the top of the bracket (1). Second bolts (7) are inserted on both sides of the connecting seat (6), and the bottom of the second bolt (7) passes through the interior of the connecting plate (9) and is connected to the connecting plate (9) by threaded rotation.