Device for injecting another low-speed low-energy flow through high-speed high-energy flow
The high-speed, high-energy flow ejector device, manufactured through modular design and special lathe processing, solves the problems of complex structure and high cost of existing ejector devices, achieves component standardization and flexible adjustment of the mixing chamber, reduces production costs and improves mixing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-04-10
AI Technical Summary
Existing ejector devices suffer from problems such as complex structure, inconvenient production, difficulty in modular manufacturing, difficulty in adjusting the volume of the mixing chamber, and high cost.
The high-speed, high-energy flow ejector device adopts a modular design, including a high-pressure port, a low-pressure port, and a jet port. It is machined using a special lathe process to ensure welding performance and heat transfer uniformity. The length of the mixing chamber is adjustable to adapt to different fluid requirements.
It achieves component standardization and interchangeability, reduces production costs, improves the adaptability and mixing efficiency of the mixing chamber, and simplifies the manufacturing process.
Smart Images

Figure CN224108371U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of device of high-speed high-energy flow ejecting another low-speed low-energy flow, belong to refrigeration field. BACKGROUND
[0002] In refrigeration industry, the mixed fluid after production can be automatically returned to oil by the ejector device, part of the working medium expansion work is recovered, energy loss is reduced, energy efficiency of refrigeration system is improved, energy efficiency of transcritical cycle system is improved and the beneficial effects of reducing the impact on the environment are achieved, so the ejector device is very important, but the current ejector device has many drawbacks, such as integrated manufacturing, complex structure, inconvenient production, etc., which can cause inconvenience to realize the welding of three port partial pipe, inconvenience to realize standardization, inconvenience to realize modular manufacturing, inconvenience to adjust the volume of mixing cavity, inconvenience to realize production, and high price. SUMMARY
[0003] According to the problems described in the background, the utility model solves the problems of inconvenience to realize standardization, inconvenience to realize modular manufacturing, inconvenience to adjust the volume of mixing cavity, inconvenience to realize production and high price caused by complex structure and inconvenient production of the current ejector device.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of device of high-speed high-energy flow ejecting another low-speed low-energy flow is provided, including high-pressure port, low-pressure port, mixing cavity and injection port, the mixing cavity is used as the bearing body and bears high-pressure port, low-pressure port and injection port, high-pressure port is installed in the side port of mixing cavity, and high-pressure port is inserted into the inside of mixing cavity, low-pressure port is installed above the port of mixing cavity, and the lower end surface of low-pressure port is flush with the upper end surface inside mixing cavity, injection port is installed in the other side port of mixing cavity, and injection port is inserted into the inside of mixing cavity, and the output end of high-pressure port is also matched with the input end of injection port.
[0005] The high-pressure port includes high-pressure input port, high-pressure port body, in-place boss, throttling acceleration channel and high-pressure input channel, the high-pressure port body is bullet style, the flat end of high-pressure port body is provided with high-pressure input port of cylindrical style, the in-place boss is arranged between high-pressure port body and high-pressure input port, high-pressure input port, high-pressure port body and in-place boss are integrated, throttling acceleration channel and high-pressure input channel are further arranged in high-pressure port, throttling acceleration channel is arranged in the inside center of the tip of high-pressure port body, high-pressure input channel is arranged in the inside center of high-pressure input port, throttling acceleration channel and high-pressure input channel are communicated with each other.
[0006] The low-pressure port comprises a low-pressure port body, a low-pressure input channel and a low-pressure output port, the low-pressure port body is in a cylindrical shape, the low-pressure input channel is provided with a cylindrical low-pressure output port at the lower end, and the low-pressure input channel is provided in the low-pressure port and penetrates the low-pressure port, i.e. the low-pressure port body and the low-pressure output port.
[0007] The mixing cavity comprises a mixing cavity body, a cavity channel and a low-pressure input port, the mixing cavity body is in a cylindrical shape, the cavity channel penetrates the mixing cavity body, and the low-pressure input port is provided at the center position of the outer wall of the mixing cavity body and is connected with the cavity channel.
[0008] The injection port comprises an injection input port, an injection port body, an injection output port, an injection input channel and an injection mixing channel, the injection port body is in a cylindrical shape, the injection port body is provided with a cylindrical injection input port and an injection output port at two ends respectively, the injection input port is provided with a conical injection input channel inside, the injection port body is provided with a conical injection mixing channel inside, and the injection input channel and the injection mixing channel penetrate the injection port.
[0009] The specific cooperation between the high-pressure port of the injection input channel and the mixing cavity is that the high-pressure port body is inserted into the cavity channel; the specific cooperation between the low-pressure port and the mixing cavity is that the low-pressure output port is inserted into the outer wall of the mixing cavity body; the specific cooperation between the mixing cavity and the injection port is that the injection input port is inserted into the cavity channel; and the specific cooperation between the high-pressure port and the injection port is that the high-pressure port body cooperates with the injection input channel.
[0010] Preferably, the included angle of the tip of the throttling acceleration channel is the same as the conical included angle of the injection input channel, the cooperation is more appropriate, and the fluid mixing is more uniform.
[0011] Preferably, the height of the low-pressure output port is the same as the wall thickness of the mixing cavity body, so that the dead angle of each other can be avoided, and the fluid can be prevented from being disturbed.
[0012] Preferably, the high-pressure port, the low-pressure port and the injection port are all processed by a special process lathe, so that the heat transfer during welding is uniform, and the welding performance is guaranteed.
[0013] Preferably, the interface size and the overall length of the high-pressure port, the low-pressure port, the mixing cavity and the injection port can be modularly replaced, so that different fluids can be adapted.
[0014] Working principle: the tip of the high-pressure port of the high-pressure port body is inserted into the cavity channel of the mixing cavity, then the low-pressure output port of the low-pressure port is inserted into the outer wall of the mixing cavity body of the mixing cavity, then the jet input port of the jet port is inserted into the cavity channel of the mixing cavity, and the tip of the high-pressure port of the high-pressure port body cooperates with the jet input channel of the jet port with a gap of 0.5mm, that is, other ports are connected, and the ejection work starts.
[0015] The beneficial effects of the utility model are:
[0016] 1. Modular design is adopted, the standardization of each component is realized, the interchangeability is greatly improved, and different fluid demands can be met.
[0017] 2. The length of the mixing cavity is convenient to adjust, the volume of different mixing cavities for different fluids can be realized, and the adaptability is greatly improved.
[0018] 3. The high-pressure port, the low-pressure port and the jet port are processed by special process lathe, the uniform heat transfer during welding is guaranteed, and the welding performance is guaranteed.
[0019] 4. The structure is simple, the production in the workshop can be realized more easily, and the cost is greatly reduced. DRAWINGS
[0020] Figure 1 It is a structural schematic view of the utility model;
[0021] Figure 2 It is a structural schematic view of the high-pressure port;
[0022] Figure 3 It is a structural schematic view of the low-pressure port;
[0023] Figure 4 It is a structural schematic view of the mixing cavity;
[0024] Figure 5 It is a structural schematic view of the jet port;
[0025] In the drawing: 1 is a high-pressure port; 2 is a low-pressure port; 3 is a mixing cavity; 4 is a jet port; 11 is a high-pressure input port; 12 is a high-pressure port body; 13 is a position boss; 14 is a throttling acceleration channel; 15 is a high-pressure input channel; 21 is a low-pressure port body; 22 is a low-pressure input channel; 23 is a low-pressure output port; 31 is a mixing cavity body; 32 is a cavity channel; 33 is a low-pressure input port; 41 is a jet input port; 42 is a jet port body; 43 is a jet output port; 44 is a jet input channel; 45 is a jet mixing channel. CONCRETE IMPLEMENTING METHOD
[0026] The embodiments of the utility model will be further described in combination with the drawings:
[0027] Embodiment 1
[0028] As Figures 1-5 Indicated, the utility model includes high pressure port 1, low pressure port 2, mixed cavity 3 and injection port 4, mixed cavity 3 is as the bearing main part and bears high pressure port 1, low pressure port 2 and injection port 4, high pressure port 1 is fitted and installed at one side port of mixed cavity 3, and high pressure port 1 is inserted into mixed cavity 3 inside, low pressure port 2 is fitted and installed at the upper port of mixed cavity 3, and low pressure port 2 lower end surface is flush with mixed cavity 3 inside upper end surface, injection port 4 is fitted and installed at the other side port of mixed cavity 3, and injection port 4 is inserted into mixed cavity 3 inside, and the output end of high pressure port 1 is also fitted with the input end of injection port 4, and the device can be more simple and effective by fitting installation to be extracted.
[0029] The specific structure of the high pressure port 1 of the device is that the high pressure port 1 includes a high pressure input port 11, a high pressure port body 12, a to-position boss 13, a throttling acceleration channel 14 and a high pressure input channel 15, the high pressure port body 12 is in the shape of a bullet, the flat end of the high pressure port body 12 is provided with a high pressure input port 11 in the shape of a cylinder, the to-position boss 13 is arranged between the high pressure port body 12 and the high pressure input port 11, the high pressure input port 11, the high pressure port body 12 and the to-position boss 13 are integrated, the high pressure port 1 is further provided with the throttling acceleration channel 14 and the high pressure input channel 15 inside, the throttling acceleration channel 14 is arranged in the center of the tip of the high pressure port body 12, the high pressure input channel 15 is arranged in the center of the high pressure input port 11, and the throttling acceleration channel 14 and the high pressure input channel 15 are in communication with each other; when the high pressure port 1 is connected with high pressure fluid, the to-position boss 13 can ensure that the installation is in place, and the throttling acceleration channel 14 can accelerate the flow rate of the fluid to adapt to different low pressure fluids or other conditions.
[0030] The specific structure of the low pressure port 2 of the device is that the low pressure port 2 includes a low pressure port body 21, a low pressure input channel 22 and a low pressure output port 23, the low pressure port body 21 is in the shape of a cylinder, the lower end of the low pressure input channel 22 is provided with a low pressure output port 23 in the shape of a cylinder, and the low pressure input channel 22 is arranged inside the low pressure port 2 and penetrates through the low pressure port 2, that is, the low pressure port body 21 and the low pressure output port 23.
[0031] The specific structure of the mixing cavity 3 of the device is that the mixing cavity 3 comprises a mixing cavity body 31, a cavity channel 32 and a low-pressure input port 33, the mixing cavity body 31 is in a cylindrical shape, the cavity channel 32 penetrates through the mixing cavity body 31, and the low-pressure input port 33 is arranged at the center of the outer wall of the mixing cavity body 31 and is connected with the cavity channel 32. Different fluids can be used to adjust the length to ensure that the volume in the mixing cavity meets different mixing requirements.
[0032] The specific structure of the injection port 4 of the device is that the injection port 4 comprises an injection input port 41, an injection port body 42, an injection output port 43, an injection input channel 44 and an injection mixing channel 45, the injection port body 42 is in a cylindrical shape, the injection input port 41 and the injection output port 43 are arranged at the two ends of the injection port body 42 respectively, the injection input channel 44 is arranged in a tapered shape in the injection input port 41, the injection mixing channel 45 is arranged in a tapered shape in the injection port body 42, and the injection input channel 44 and the injection mixing channel 45 penetrate through the injection port 4. The tapered shape of the injection input channel 44 and the injection mixing channel 45 can ensure the flow rate of the mixed fluid.
[0033] The specific installation mode of the above components of the device is that the specific cooperation between the high-pressure port 1 and the mixing cavity 3 is that the high-pressure port body 12 is inserted into the cavity channel 32; the specific cooperation between the low-pressure port 2 and the mixing cavity 3 is that the low-pressure output port 23 is inserted into the outer wall of the mixing cavity body 31; the specific cooperation between the mixing cavity 3 and the injection port 4 is that the injection input port 41 is inserted into the cavity channel 32; and the specific cooperation between the high-pressure port 1 and the injection port 4 is that the high-pressure port body 12 cooperates with the injection input channel 44.
[0034] In order to ensure the mixing efficiency and uniformity, the included angle of the tip of the throttling acceleration channel 14 is the same as the tapered included angle of the injection input channel 44, the cooperation is more appropriate, and the fluid mixing is more uniform.
[0035] The cooperation and installation of the low-pressure port 2 and the mixing cavity 3 need to prevent the direction dead angle and disorder of the fluid, the height of the low-pressure output port 23 is the same as the wall thickness of the mixing cavity body 31, the mutual dead angle can be avoided, and the disorder of the fluid can be prevented.
[0036] The three interfaces of the device need to ensure the welding performance due to the modularity and interchangeability, the high-pressure port 1, the low-pressure port 2 and the injection port 4 are all processed by a special process lathe to ensure uniform heat transfer during welding and ensure the welding performance.
[0037] In order to facilitate production and manufacture, the device adopts modular design, the interface size and overall length of the high-pressure port 1, the low-pressure port 2, the mixing cavity 3 and the injection port 4 can be modularly replaced, and different fluids can be adapted.
[0038] The tip of the high-pressure port body 12 of the high-pressure port 1 is inserted into the cavity channel 32 of the mixing cavity 3, then the low-pressure output port 23 of the low-pressure port 2 is inserted into the outer wall of the mixing cavity body 31 of the mixing cavity 3, then the injection input port 41 of the injection port 4 is inserted into the cavity channel 32 of the mixing cavity 3, and at the same time, the tip of the high-pressure port body 12 of the high-pressure port 1 cooperates with the injection input channel 44 of the injection port 4 with a gap of 0.5 mm, so that other ports can be connected, and the injection work can be started.
Claims
1. A device for entraining a high-speed, high-energy current into another low-speed, low-energy current, characterized in that, It includes a high-pressure port (1), a low-pressure port (2), a mixing chamber (3), and an injection port (4). The mixing chamber (3) serves as the main body supporting the high-pressure port (1), the low-pressure port (2), and the injection port (4). The high-pressure port (1) is installed at one side of the mixing chamber (3) and is inserted into the mixing chamber (3). The low-pressure port (2) is installed at the upper side of the mixing chamber (3) and the lower end face of the low-pressure port (2) is flush with the upper end face inside the mixing chamber (3). The injection port (4) is installed at the other side of the mixing chamber (3) and is inserted into the mixing chamber (3). At the same time, the output end of the high-pressure port (1) is also connected to the input end of the injection port (4).
2. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 1, characterized in that, The high-voltage port (1) includes a high-voltage input port (11), a high-voltage port body (12), a positioning boss (13), a throttling acceleration channel (14), and a high-voltage input channel (15). The high-voltage port body (12) is bullet-shaped, and a cylindrical high-voltage input port (11) is provided at the flat end of the high-voltage port body (12). The positioning boss (13) is located between the high-voltage port body (12) and the high-voltage input port (11). The high-voltage input port (11), the high-voltage port body (12), and the positioning boss (13) are integrated. The high-voltage port (1) also has a throttling acceleration channel (14) and a high-voltage input channel (15) inside. The throttling acceleration channel (14) is located at the center of the tip of the high-voltage port body (12), and the high-voltage input channel (15) is located at the center of the high-voltage input port (11). The throttling acceleration channel (14) and the high-voltage input channel (15) are interconnected.
3. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 1, characterized in that, The low-voltage port (2) includes a low-voltage port body (21), a low-voltage input channel (22) and a low-voltage output port (23). The low-voltage port body (21) is cylindrical. The low-voltage input channel (22) has a cylindrical low-voltage output port (23) at its lower end. The low-voltage port (2) has a low-voltage input channel (22) inside and the low-voltage input channel (22) passes through the low-voltage port (2), i.e., the low-voltage port body (21) and the low-voltage output port (23).
4. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy stream according to claim 1, characterized in that, The mixing cavity (3) includes a mixing cavity body (31), a cavity channel (32) and a low-pressure input port (33). The mixing cavity body (31) is cylindrical. The cavity channel (32) runs through the mixing cavity body (31). The low-pressure input port (33) is located at the center of the outer wall of the mixing cavity body (31) and is connected to the cavity channel (32).
5. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 1, characterized in that, The injection port (4) includes an injection input port (41), an injection port body (42), an injection output port (43), an injection input channel (44), and an injection mixing channel (45). The injection port body (42) is cylindrical. The two ends of the injection port body (42) are respectively provided with a cylindrical injection input port (41) and an injection output port (43). A conical injection input channel (44) is opened inside the injection input port (41). A conical injection mixing channel (45) is opened inside the injection port body (42). The injection input channel (44) and the injection mixing channel (45) pass through the injection port (4).
6. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 1, characterized in that, The specific cooperation between the high-pressure port (1) and the mixing chamber (3) is that the high-pressure port body (12) is inserted into the chamber channel (32); the specific cooperation between the low-pressure port (2) and the mixing chamber (3) is that the low-pressure output port (23) is inserted into the outer wall of the mixing chamber body (31); the specific cooperation between the mixing chamber (3) and the injection port (4) is that the injection input port (41) is inserted into the chamber channel (32); the specific cooperation between the high-pressure port (1) and the injection port (4) is that the high-pressure port body (12) is cooperated with the injection input channel (44).
7. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 2, characterized in that, The included angle of the tip pattern of the throttling acceleration channel (14) is the same as the included angle of the cone shape of the injection input channel (44).
8. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 3, characterized in that, The height of the low-voltage output port (23) is the same as the wall thickness of the mixing chamber body (31).
9. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy stream according to claim 1, characterized in that, The high-pressure port (1), low-pressure port (2) and injection port (4) are all machined by lathe.
10. The device for entraining another low-speed, low-energy stream with a high-speed, high-energy current according to claim 1, characterized in that, The interface dimensions and overall length of the high-pressure port (1), low-pressure port (2), mixing chamber (3) and injection port (4) can be modularly replaced.