Universal detection device for thermodynamic drain valve core
By designing a universal detection device for thermodynamic steam trap valve cores, the rust problem caused by residual water vapor is solved by utilizing a circulation detection and pressure relief structure, thus achieving fast and safe valve core function detection and reducing production costs.
Patent Information
- Application Number
- CN202422629958.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-10-30
AI Technical Summary
In the prior art, it is difficult to completely remove residual water vapor from thermodynamic steam traps after functional testing, which causes the inner wall and valve core of the valve body to rust, affecting the sealing performance and increasing production processes and costs.
A universal detection device for thermodynamic steam trap core is designed, including a base, a positioning seat and a cylinder. The valve core function is tested through the circulation of high-temperature steam or water to avoid residue. The placement groove and sealing gasket are used to ensure stability and versatility. Safe exhaust is achieved by combining with a pressure relief valve and an air control valve.
It realizes the rapid detection of multiple types of thermodynamic steam trap cores, avoids steam or water residue, ensures the drainage and steam blocking functions, simplifies the production process and reduces costs.
Smart Images
Figure CN223412963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermodynamic steam trap core detection, in particular to a universal detection device for thermodynamic steam trap cores. Background Art
[0002] The key function of a thermodynamic steam trap is to promptly remove condensate from steam lines while preventing the leakage of high-temperature steam. Because the functional testing of thermodynamic steam traps requires the introduction of high-temperature steam and water, the valve core unit assembled within them has a small, tightly sealed working space. This inevitably leaves some moisture trapped and unable to be completely exhausted. This residual moisture can cause oxidation and rust on the inner wall of the valve body and the internal components of the valve core. Therefore, pre-shipment testing to confirm the effectiveness of these traps is essential.
[0003] Currently, the entire thermodynamic steam trap is tested for functionality after assembly. After the test is complete, residual moisture inside the trap cannot be completely removed, leading to the risk of rust on the inner wall of the valve body, as well as on the sealing surfaces of the valve core and seat. Rust-induced foreign matter can prevent the valve core from effectively fitting onto the seat, potentially causing the trap's steam-draining and steam-blocking functions to fail.
[0004] In order to avoid residual water vapor, the thermodynamic steam trap must be disassembled, and after the water vapor is removed, it must be re-oiled and reassembled, which increases unnecessary production processes and manufacturing costs. Utility Model Content
[0005] The utility model provides a universal detection device for a thermodynamic drain valve core, aiming to solve the problems in the prior art.
[0006] The technical solution of the utility model to solve the above technical problems is as follows:
[0007] A universal detection device for a thermodynamic steam trap core comprises a base, a positioning seat, and a cylinder. The base is provided with a mutually independent inlet cavity and outlet cavity; an inlet communicating with the inlet cavity and an outlet communicating with the outlet cavity are respectively provided at both ends of the base; and an outlet channel communicating with the inlet cavity and an inlet channel communicating with the outlet cavity are respectively provided on the upper side of the base;
[0008] The positioning seat is fixedly mounted on the base, and is provided with a through hole 1 and a through hole 2 respectively connected to the delivery channel and the delivery channel, the through hole 1 is used to connect to the inlet on the valve core to be tested, and the through hole 2 is used to connect to the outlet on the valve core to be tested; the cylinder is fixedly mounted on the base, which is located above the positioning seat, and its telescopic end is vertically downward and fixedly connected to a pressure head.
[0009] The beneficial effect of the present invention is that during the detection process, high-temperature steam (or water) enters the delivery chamber through the inlet, and the high-temperature steam or water enters the valve core through the delivery channel, the through hole 1 and the inlet on the valve core, and then enters the delivery chamber through the discharge port, the through hole 2 and the delivery channel on the valve core, and is then discharged from the outlet; during this process, it is observed and confirmed whether the outlet side of the equipment can meet the preset requirements without steam leakage (when steam is introduced) and can drain water normally (when water is introduced), so as to determine whether the drainage and steam blocking function of the valve core unit is normal and effective.
[0010] The utility model can realize the rapid detection of various types of thermodynamic steam trap cores, and can prevent steam or water from remaining in the valve core, thereby ensuring the drainage and steam blocking functions of the thermodynamic steam trap.
[0011] On the basis of the above technical solution, the present invention can also be improved as follows.
[0012] Furthermore, a placement groove is provided at the center of the positioning seat, and the first through hole and the second through hole are respectively located in the placement groove.
[0013] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and utilizing the placement groove to prevent the valve core to be tested, thereby ensuring the stability of the valve core and thus ensuring the accuracy of the detection.
[0014] Furthermore, an auxiliary fixed sleeve is provided in the placement groove, and sealing gaskets are respectively provided at the bottom of the placement groove corresponding to the through hole 1 and the edge of the placement groove.
[0015] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and can be applied to the detection of valve cores of different models in combination with the auxiliary fixed sleeve, with strong versatility and convenient detection.
[0016] Furthermore, the base is provided with a pressure relief port connected to the delivery cavity, and a pressure relief joint is fixedly installed at the pressure relief port; and a pressure relief valve is fixedly connected to the pressure relief joint.
[0017] The beneficial effect of adopting the above further solution is that after the detection is completed, the pressure relief valve can be opened to relieve the pressure in the delivery chamber, thereby preventing steam from being ejected directly from the outlet and ensuring safe operation.
[0018] Furthermore, one end of the pressure relief valve is connected to a discharge pipeline for connecting to a collection device.
[0019] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the use of the discharge pipeline to discharge the residual steam or water in the cavity to the collection device.
[0020] Furthermore, it also includes a fixing seat, which is horizontally arranged and fixed on the base through a plurality of columns evenly spaced apart; the cylinder is fixedly installed on the fixing seat.
[0021] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and easy assembly by utilizing the fixing seat to assemble the cylinder.
[0022] Furthermore, it also includes a manual air-controlled valve, which is fixedly mounted on the base and is provided with a gas inlet, an air outlet and an air return port. The gas inlet can be connected to the air outlet or the air return port; the air outlet and the air return port are respectively connected to the two interfaces on the cylinder through pipelines, and the gas inlet is connected to a gas supply pipeline for connecting to the gas source.
[0023] The beneficial effect of adopting the above further solution is that during the detection process, the gas provided by the gas source is sent to the cylinder through the gas supply pipeline to realize the extension and retraction of the telescopic end of the cylinder, thereby realizing the compaction operation, which is convenient for operation.
[0024] Furthermore, a muffler is fixedly installed on the manual air control valve, and a cylinder speed regulating valve is fixedly installed at the gas inlet and the two interfaces of the cylinder respectively.
[0025] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, and the use of a muffler to reduce noise. At the same time, the cylinder speed regulating valve can be used to adjust the speed of the cylinder telescopic end according to demand, ensuring that the pressure head is tightened and loosened more smoothly.
[0026] Furthermore, the inlet and the outlet are respectively fixedly connected with an external thread connector.
[0027] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the two external thread joints are convenient for connecting pipelines to introduce and send out steam.
[0028] Furthermore, it also includes a plurality of feet, which are evenly spaced and distributed below the base and are fixedly connected to the base through side panels.
[0029] The beneficial effects of adopting the above further solution are simple structure, reasonable design, using the base and side panels to support the entire device, and easy use. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 This is one of the overall structural diagrams of the utility model;
[0031] Figure 2 This is the second schematic diagram of the overall structure of the utility model;
[0032] Figure 3 It is a partial structural diagram of the utility model;
[0033] Figure 4 This is one of the partial cross-sectional views of the present utility model;
[0034] Figure 5 This is the second partial cross-sectional view of the present utility model;
[0035] Figure 6 This is a schematic diagram of the internal assembly of the base, positioning seat and valve core to be tested in the utility model;
[0036] Figure 7 This is a schematic diagram of the three-dimensional structure of the base in the utility model;
[0037] Figure 8 This is a partial structural diagram of the base in the utility model;
[0038] Figure 9 This is an internal cross-sectional view of the base in the present utility model;
[0039] Figure 10 This is a schematic diagram of the three-dimensional structure of the positioning seat in the utility model;
[0040] Figure 11 This is a partial structural diagram of the positioning seat in the utility model;
[0041] Figure 12 This is a top view of the positioning seat in the utility model;
[0042] Figure 13 for Figure 12 Cross-sectional view along the AA axis;
[0043] Figure 14 This is an exploded view of the valve core to be tested in the present utility model.
[0044] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0045] 1. Bottom foot; 2. Side panel; 3. Base; 4. Positioning seat; 5. Upright column; 6. Fixed seat; 7. Cylinder; 8. Pressure head; 9. Sealing gasket; 10. Auxiliary fixed sleeve; 11. Inlet cavity; 12. Outlet cavity; 13. Outlet channel; 14. Inlet channel; 15. Through hole 1; 16. Through hole 2; 17. Placement groove; 18. Pressure relief joint; 19. Pressure relief valve; 20. Discharge pipeline; 21. Manual air control valve; 22. Gas inlet; 23. Gas outlet; 24. Return air port; 25. Muffler; 26. Cylinder speed control valve; 27. Male thread connector; 28. Valve core to be tested. DETAILED DESCRIPTION
[0046] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.
[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0048] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0049] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0050] Example 1
[0051] like Figures 1 to 14 As shown, this embodiment provides a universal detection device for a thermodynamic steam trap core, comprising a base 3, a positioning seat 4, and a cylinder 7. The base 3 is provided with a mutually independent inlet cavity 11 and outlet cavity 12; an inlet communicating with the inlet cavity 11 and an outlet communicating with the outlet cavity 12 are respectively provided at both ends of the base 3, and an outlet channel 13 communicating with the inlet cavity 11 and an inlet channel 14 communicating with the outlet cavity 12 are respectively provided on the upper side of the base 3;
[0052] The positioning seat 4 is fixedly mounted on the base 3, and is provided with a through hole 15 connected to the delivery channel 13 and a through hole 2 16 connected to the delivery channel 14, respectively. The through hole 15 is used to connect to the inlet on the valve core 28 to be tested, and the through hole 2 16 is used to connect to the outlet on the valve core 28 to be tested; the cylinder 7 is fixedly mounted on the base 3, and is located above the positioning seat 4, and its telescopic end is vertically downward and fixedly connected to the pressure head 8.
[0053] During the detection process, high-temperature steam (or water) enters the delivery chamber 11 through the inlet, and enters the valve core through the delivery channel 13, the through hole 15 and the inlet on the valve core, and then enters the delivery chamber 12 through the discharge port on the valve core, the through hole 2 16 and the delivery channel 14, and is then discharged from the outlet; during this process, it is observed and confirmed whether the outlet side of the equipment can meet the preset requirements without steam leakage (when steam is passed in) and can drain water normally (when water is passed in), so as to determine whether the drainage and steam blocking function of the valve core unit is normal and effective.
[0054] Preferably, in this embodiment, the base 3 is preferably a rectangular plate structure.
[0055] In addition, the positioning seat 4 is preferably a circular block structure.
[0056] It should be noted that the above-mentioned cylinder 7 adopts existing technology, and its specific structure and principle are not described in detail here.
[0057] This embodiment can realize rapid detection of various types of thermodynamic steam trap valve cores, and can prevent steam or water from remaining in the valve core, thereby ensuring the drainage and steam blocking functions of the thermodynamic steam trap.
[0058] Example 2
[0059] On the basis of Example 1, in this embodiment, a placement groove 17 is provided at the center of the positioning seat 4 , and the first through hole 15 and the second through hole 16 are respectively located in the placement groove 17 .
[0060] This solution has a simple structure and a reasonable design. The placement groove 17 is used to prevent the valve core 28 to be tested, thereby ensuring the stability of the valve core and thus ensuring the accuracy of the test.
[0061] Preferably, in this embodiment, the placement groove 17 is preferably a circular groove body.
[0062] Example 3
[0063] On the basis of Example 2, in this embodiment, an auxiliary fixed sleeve 10 is provided in the placement groove 17, and sealing gaskets 9 are provided at the bottom of the placement groove 17 corresponding to the through hole 15 and the edge of the placement groove 17 respectively.
[0064] This solution has a simple structure and a reasonable design. It can be used to detect valve cores of different models in conjunction with the auxiliary fixed sleeve 10. It has strong versatility and is easy to detect.
[0065] Preferably, in this embodiment, the auxiliary fixed outer sleeve 10 is preferably a circular ring structure, and the valve core 28 to be tested is located in the auxiliary fixed outer sleeve 10 during assembly.
[0066] Example 4
[0067] On the basis of the above embodiments, in this embodiment, the base 3 is further provided with a pressure relief port connected to the delivery chamber 11, and a pressure relief joint 18 is fixedly installed at the pressure relief port; a pressure relief valve 19 is fixedly connected to the pressure relief joint 18.
[0068] After the detection is completed, the pressure relief valve 19 can be opened to relieve the pressure in the delivery chamber 11 to prevent steam from being ejected directly from the outlet and ensure safe operation.
[0069] Preferably, in this embodiment, the pressure relief valve 19 is preferably a needle valve in the prior art.
[0070] Example 5
[0071] On the basis of Example 4, in this embodiment, one end of the pressure relief valve 19 is connected to a discharge pipeline 20 for connecting to a collection device.
[0072] This solution has a simple structure and a reasonable design, and utilizes the discharge pipe 20 to discharge the steam or water remaining in the delivery chamber 11 to a collection device.
[0073] Preferably, in this embodiment, the discharge pipe 20 is preferably a seamless pipe.
[0074] Example 6
[0075] On the basis of the above embodiments, this embodiment further includes a fixing seat 6 , which is horizontally arranged and fixedly mounted on the base 3 via a plurality of evenly spaced columns 5 ; the cylinder 7 is fixedly mounted on the fixing seat 6 .
[0076] This solution has a simple structure and a reasonable design. The cylinder 7 is assembled using the fixing seat 6, and the assembly is convenient.
[0077] Preferably, in this embodiment, the fixing seat 6 is preferably a rectangular plate structure.
[0078] In addition, there are preferably four columns 5 , which are respectively distributed at the four corners of the fixing base 6 .
[0079] Example 7
[0080] On the basis of the above embodiments, this embodiment also includes a manual air-controlled valve 21, which is fixedly mounted on the base 3 and is provided with a gas inlet 22, an air outlet 23 and an air return port 24. The gas inlet 22 can be connected to the air outlet 23 or the air return port 24; the air outlet 23 and the air return port 24 are respectively connected to the two interfaces on the cylinder 7 through pipelines, and the gas inlet 22 is connected to a gas supply pipeline for connecting to the gas source.
[0081] During the detection process, the gas provided by the gas source is sent to the cylinder 7 through the gas supply pipeline to realize the extension and retraction of the telescopic end of the cylinder 7, thereby realizing the compacting operation, which is convenient for the operation.
[0082] Example 8
[0083] On the basis of Example 7, in this embodiment, a muffler 25 is fixedly installed on the manual air control valve 21, and cylinder speed regulating valves 26 are fixedly installed at the gas inlet 22 and the two interfaces of the cylinder 7 respectively.
[0084] This solution has a simple structure and a reasonable design. The muffler 25 can reduce noise. At the same time, the cylinder speed regulating valve 26 can adjust the speed of the telescopic end of the cylinder 7 according to demand, ensuring that the pressure head 8 is tightened and loosened more smoothly.
[0085] Example 9
[0086] On the basis of the above embodiments, in this embodiment, the inlet and the outlet are respectively fixedly connected with an external thread connector 27 .
[0087] This solution has a simple structure and a reasonable design. The two external thread joints 27 are convenient for connecting the pipelines so as to introduce and send out steam.
[0088] Preferably, in this embodiment, the two external thread connectors 27 are preferably 1-inch external thread connectors in the prior art.
[0089] Example 10
[0090] On the basis of the above embodiments, this embodiment further includes a plurality of feet 1 , which are evenly spaced and distributed below the base 3 , and are fixedly connected to the base 3 via side panels 2 .
[0091] This solution has a simple structure and a reasonable design. It uses the base 1 and the side panels 2 to support the entire device and is easy to use.
[0092] Preferably, in this embodiment, each base 1 and side panel 2 is preferably a rectangular plate structure.
[0093] Preferably, in this embodiment, the number of base feet 1 is preferably two, and the two base feet 1 are horizontally distributed relative to each other, and extend from one side of the base 3 to the other side respectively; the two base feet 1 are fixedly connected to the two ends of the base 3 through vertically arranged side panels 2.
[0094] The working principle of this utility model is as follows:
[0095] Through the preset mounting holes on the base 1, the detection device is installed and fixed as a whole to the corresponding detection station of the detection equipment, and the device is connected to the working pipeline of the detection equipment through the 1-inch external thread connectors reserved on the inlet and outlet sides of the detection device. Then, a hose is used to connect the compressed air pipeline to the air inlet pipe connector of the manual air control valve 21 of the detection device.
[0096] Pull the handle of the manual air control valve 21 to displace the piston of the cylinder 7 and drive the pressure head 8 to retract to the top dead center. At this time, the device is in the open state, and the thermodynamic steam trap valve core unit can be placed in the auxiliary positioning sleeve 10 at the detection position (the auxiliary positioning sleeve can help the valve core unit to be accurately positioned at the detection position, and can be configured in different sizes to accommodate valve core units of different specifications, achieving the versatility requirements of the device). Pull the handle of the manual air control valve 21 in the opposite direction, push the piston and pressure head 8 downward, so that the valve core unit contacts and is pressed against the detection station (a high-temperature resistant silicone block is preset at the front end of the cylinder pressure head to achieve buffering and avoid crushing the surface of the isolation cover).
[0097] Operate the device, controlling the flow of high-temperature steam and water from the device inlet to the device flow path and valve core unit according to the set timing. Then observe and confirm that the device outlet can meet the preset requirements without steam leakage (when steam is introduced) and can drain water normally (when water is introduced). This will determine whether the valve core unit's drainage and steam blocking function is functioning properly. Note that during the entire test, cylinder 7 must be kept in a tight state and must not be loosened, and the needle valve at the bottom of the device must be closed and must not leak.
[0098] After the test is complete, the equipment is first operated to cut off the input of high-temperature steam and water at the inlet side. Then, the needle valve is twisted open to drain the residual steam and water in the flow channel of the device, and the needle valve is reclosed. The handle of the manual air control valve 21 is then pulled to shift the piston of the cylinder 7 and drive the pressure head 8 to retract to the top dead center. At this time, the valve core unit that has completed the test can be removed. Qualified parts can be transferred to the subsequent steps of removing residual moisture, oiling, and assembly. Unqualified parts will be handled accordingly according to quality control requirements.
[0099] The utility model uses the thermodynamic steam trap core as an independent unit for function testing. After confirming that the function is qualified, it is first disassembled to remove the residual water vapor inside and sprayed with light anti-rust oil, and then reassembled to complete the assembly of the entire steam trap.
[0100] It should be noted that the arrows in the accompanying drawings only indicate the direction of steam or water flow and have no other substantial meaning.
[0101] In addition, all electronic components involved in the present invention adopt existing technologies, and the above components are electrically connected to the controller, and the control circuits between the controller and the components are existing technologies.
[0102] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0103] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
[0104] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A universal detection device for a thermodynamic steam trap core, characterized by: The invention comprises a base (3), a positioning seat (4) and a cylinder (7); the base (3) is provided with a mutually independent feeding cavity (11) and a feeding cavity (12); both ends of the base (3) are provided with an inlet communicating with the feeding cavity (11) and an outlet communicating with the feeding cavity (12); and the upper side of the base (3) is provided with a feeding cavity (13) communicating with the feeding cavity (11) and a feeding cavity (14) communicating with the feeding cavity (12); The positioning seat (4) is fixedly mounted on the base (3), and is provided with a through hole (15) communicating with the delivery channel (13) and a through hole (16) communicating with the delivery channel (14) at intervals, wherein the through hole (15) is used to communicate with the inlet of the valve core (28) to be tested, and the through hole (16) is used to communicate with the outlet of the valve core (28) to be tested; the cylinder (7) is fixedly mounted on the base (3), and is located above the positioning seat (4), and its telescopic end is vertically downward and fixedly connected to the pressure head (8).
2. The universal detection device for the thermodynamic steam trap core according to claim 1, characterized in that: A placement groove (17) is provided at the center of the positioning seat (4), and the first through hole (15) and the second through hole (16) are respectively located in the placement groove (17).
3. The universal detection device for the thermodynamic steam trap core according to claim 2, characterized in that: An auxiliary fixed sleeve (10) is provided in the placement groove (17), and sealing gaskets (9) are provided at the bottom of the placement groove (17) corresponding to the through hole 1 (15) and the edge of the placement groove (17).
4. The universal detection device for the thermodynamic steam trap core according to any one of claims 1 to 3, characterized in that: The base (3) is also provided with a pressure relief port connected to the delivery chamber (11), and a pressure relief joint (18) is fixedly installed at the pressure relief port; and a pressure relief valve (19) is fixedly connected to the pressure relief joint (18).
5. The universal detection device for the thermodynamic steam trap core according to claim 4, characterized in that: One end of the pressure relief valve (19) is connected to a discharge pipeline (20) for connecting to a collection device.
6. The universal detection device for the thermodynamic steam trap core according to any one of claims 1 to 3, characterized in that: It also includes a fixing seat (6), which is arranged horizontally and fixedly mounted on the base (3) through a plurality of upright posts (5) arranged at even intervals; the cylinder (7) is fixedly mounted on the fixing seat (6).
7. The universal detection device for the thermodynamic steam trap core according to any one of claims 1 to 3, characterized in that: The invention also comprises a manual air control valve (21), which is fixedly mounted on the base (3) and is provided with a gas inlet (22), a gas outlet (23) and a gas return port (24). The gas inlet (22) can be communicated with the gas outlet (23) or the gas return port (24); the gas outlet (23) and the gas return port (24) are respectively communicated with two interfaces on the cylinder (7) through pipelines, and the gas inlet (22) is connected to a gas supply pipeline for connecting to a gas source.
8. The universal detection device for the thermodynamic steam trap core according to claim 7, characterized in that: A muffler (25) is fixedly mounted on the manual air control valve (21), and cylinder speed regulating valves (26) are fixedly mounted on the gas inlet (22) and the two interfaces of the cylinder (7).
9. The universal detection device for thermodynamic steam trap core according to any one of claims 1 to 3, characterized in that: The inlet and the outlet are respectively fixedly connected with an external thread connector (27).
10. The universal detection device for thermodynamic steam trap core according to any one of claims 1 to 3, characterized in that: It also includes a plurality of base feet (1), which are evenly spaced and distributed below the base (3) and are fixedly connected to the base (3) via side panels (2).