Fluid mechanical test equipment with automatic gas collecting and discharging device
By introducing a buffer mechanism and a secondary use mechanism into the fluid machinery testing equipment, the problem of damage to the outlet pipe caused by instantaneous pressure during gas discharge was solved, and the secondary use of gas was achieved, thereby improving the reliability of the equipment and the resource utilization efficiency.
Patent Information
- Application Number
- CN202422868704.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing fluid machinery testing equipment is prone to damage to the outlet pipe due to instantaneous excessive pressure during gas discharge, and fails to effectively utilize the filtered gas.
A fluid machinery testing equipment with a buffer mechanism and a secondary use mechanism was designed. The buffer mechanism consists of a push plate and a spring to buffer the instantaneous pressure of the gas. After being tested by a filter box and a gas detector, the gas that meets the standards is reused.
It effectively alleviates the problem of damage to the outlet pipe caused by instantaneous gas pressure, realizes the secondary utilization of gas, and improves the service life of the equipment and resource utilization rate.
Smart Images

Figure CN223426237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fluid machinery testing equipment, in particular to a fluid machinery testing equipment with an automatic gas collection and discharge device. Background Art
[0002] Fluid machinery experimental equipment is a kind of equipment specially used for performance testing, research and teaching demonstration of fluid machinery. It is often used in fluid machinery manufacturing enterprises, various scientific research institutions and universities.
[0003] During the fluid machinery test, a certain amount of gas is generated. If these gases are not discharged in time in the device, they will affect the flow characteristics of the fluid, resulting in inaccurate test results. Therefore, relevant gas exhaust equipment is needed to discharge them.
[0004] As for the existing fluid machinery testing equipment with an automatic gas collection and automatic gas discharge device, during the gas discharge process, a gas detection device is required to detect the gas content in the equipment before the air pump is turned on to extract the gas. If the gas content in the container is too much, the pressure on the outlet pipe will be too high at the moment of opening. After long-term use, it may cause damage to the inner wall of the outlet pipe and affect the sealing. In addition, for the existing fluid machinery testing equipment with an automatic gas collection and automatic gas discharge device, after filtering, the gas can be discharged after detection, and the filtered gas is directly discharged from the equipment. This part of the filtered gas cannot be reused. For this reason, a fluid machinery testing equipment with an automatic gas collection and automatic gas discharge device is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a fluid machinery testing equipment with an automatic gas collection and automatic gas discharge device, aiming to improve the problems in the existing technology of inconvenience in dealing with the instantaneous pressure of a large amount of gas and inconvenience in secondary utilization of the filtered gas.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] A fluid machinery testing equipment with an automatic gas collection and automatic gas discharge device includes a fluid box, a detection mechanism fixedly connected to the fluid box, the detection mechanism is used for detecting fluid machinery, the bottom end of the fluid box is fixedly connected to a base, the left side of the top front end group of the base is fixedly connected to a storage box, the top of the storage box is fixedly connected to a collection mechanism, the collection mechanism is used to collect the generated gas, the collection mechanism is fixedly connected to a buffer mechanism, the buffer mechanism is used to buffer the pressure of gas entering instantly, the middle part of the front side of the top end of the base is fixedly connected to a filtering mechanism, the filtering mechanism is used to filter gas, the right part of the top end of the base is fixedly connected to a secondary use mechanism, the secondary use mechanism is used to reuse the filtered gas.
[0008] As a further description of the above technical solution:
[0009] The detection mechanism includes a water outlet pipe, the rear end of the water outlet pipe is fixedly connected to the front bottom of the fluid box, the front end of the water outlet pipe is fixedly connected to the device under test, the front end of the device under test is fixedly connected to the data detector, the front end of the data detector is fixedly connected to the storage box, the top of the fluid box is fixedly connected to the adding bucket, and the top of the adding bucket is threadedly connected to the end cover.
[0010] As a further description of the above technical solution:
[0011] The collection mechanism includes an air collecting hood, the top of the storage box is slidably connected to the air collecting hood, the middle of the top of the air collecting hood is fixedly connected to a first air inlet pipe, the top of the first air inlet pipe is fixedly connected to the input end of the gas concentration meter, the output end of the gas concentration meter is fixedly connected to one end of the first air outlet pipe, and the other end of the first air outlet pipe is fixedly connected to the left end of the filter box.
[0012] As a further description of the above technical solution:
[0013] The cam is connected to the first air outlet pipe in the collecting mechanism, and the cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam. The cam is connected to the first air outlet pipe of the collecting mechanism by the outer side of the cam.
[0014] As a further description of the above technical solution:
[0015] The filtering mechanism includes a filter box, the bottom end of which is fixedly connected to the middle side of the top front end of the base, the top of which is threadedly connected to a cover plate by screws, and the interior of the filter box is provided with slots at equal intervals, in which a filter frame is slidably connected, and the interior of the filter frame is fixedly connected with a stainless steel filter screen, an activated carbon filter screen, and a high-efficiency HPEA filter screen in sequence from left to right.
[0016] As a further description of the above technical solution:
[0017] The secondary use mechanism includes a second air outlet pipe, the right end bottom of the filter box in the filter mechanism is fixedly connected to the left end of the second air outlet pipe, the right end of the second air outlet pipe is fixedly connected to the input end of the gas detector, the output end of the gas detector is fixedly connected to one end of the second air inlet pipe, the other end of the second air inlet pipe is fixedly connected to the input end of the ball valve, the output end of the ball valve is respectively fixedly connected to the exhaust hopper and the front end of the third air outlet pipe, the rear end of the third air outlet pipe is fixedly connected to the storage tank, the interior of the storage tank is fixedly connected to a resistance heating wire, the rear end of the storage tank is fixedly connected to one end of a connecting pipe, and the other end of the connecting pipe is fixedly connected to the fluid box.
[0018] As a further description of the above technical solution:
[0019] An operating table is fixedly connected to the middle of the left side of the top of the base, and a control panel is fixedly connected to the top of the operating table. The control panel is electrically connected to the data detector, gas concentration meter, gas detector, resistance heating wire and ball valve.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, after the gas concentration meter is turned on, the gas passing through instantly acts on the push rod, and the push rod causes the slider to move along the slide groove, squeezing the spring. Since the fixed block is fixedly connected to the push plate, and the push rod is connected to the fixed block through the shaft sleeve and the rotating shaft, when the slide rod slides, due to its fixed length, the slide rod pushes the push plate outward, causing the first air outlet pipe to deform, increasing the flow area, and the spring can consume part of the pressure, thereby achieving the effect of coping with instantaneous pressure, solving the problem in the prior art that it is inconvenient to cope with the pressure when a large amount of gas enters instantly.
[0022] 2. In the present invention, after the gas passes through the filter box, it is detected by the gas detector. After it meets the emission standards, the gas detector is turned on and the gas enters the ball valve. Then a part of the gas enters the storage tank through the third outlet pipe, and the other part is discharged through the exhaust hopper. The air entering the storage tank can have two functions. One is to be used for gas circulation detection, and the other is to enter the fluid box through the connecting pipe after being heated by the resistance heating wire to dry the fluid box after use, thereby achieving the effect of secondary utilization of the gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a three-dimensional schematic diagram of a fluid machinery testing device with an automatic gas collection and discharge device proposed by the present utility model;
[0024] Figure 2 This is a front structural diagram of a fluid machinery testing device with an automatic gas collection and discharge device proposed by the present invention;
[0025] Figure 3 This is a schematic diagram of a partially sectional top view of a fluid machinery testing device with an automatic gas collection and discharge device proposed by the present invention;
[0026] Figure 4 This is a structural schematic diagram of a buffer mechanism of a fluid machinery testing equipment with an automatic gas collection and discharge device proposed by the present invention.
[0027] Legend:
[0028] 1. Fluid box; 101. Adding hopper; 102. End cover; 103. Water outlet pipe; 2. Tested equipment; 3. Operation table; 301. Control panel; 4. Data detector; 5. Gas hood; 501. First air inlet pipe; 502. Gas concentration meter; 503. First air outlet pipe; 504. Push plate; 505. Fixed block; 506. Rotating shaft; 507. Bushing; 508. Push rod; 509. Slider; 510. Spring; 511. Slide; 512. Center shaft; 6. Filter box; 601. Card slot; 602. Filter rack; 603. Stainless steel filter; 604. Activated carbon filter; 605. High-efficiency HPEA filter; 606. Screws; 607. Cover; 608. Second air outlet pipe; 609. Gas detector; 7. Ball valve; 701. Second air inlet pipe; 702. Exhaust hopper; 703. Third air outlet pipe; 704. Storage tank; 705. Heating resistor wire; 706. Connecting pipe; 8. Storage box; 9. Base. DETAILED DESCRIPTION
[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] With reference to Figures 1-4 The utility model provides an embodiment: a kind of fluid machinery test equipment with automatic collection and automatic gas discharging device, including fluid tank 1, the top front left side of pedestal 9 is fixedly connected with storage tank 8, the top of storage tank 8 is fixedly connected with collection mechanism, collection mechanism includes gas-collecting hood 5, the top of storage tank 8 is slidably connected with gas-collecting hood 5, the top middle part of gas-collecting hood 5 is fixedly connected with first air inlet pipe 501, the top of first air inlet pipe 501 is fixedly connected with the input end of gas concentration instrument 502, the output end of gas concentration instrument 502 is fixedly connected with one end of first air outlet pipe 503, the other end of first air outlet pipe 503 is fixedly connected with the left end of filter tank 6, collection mechanism is used to collect the gas generated, buffer mechanism is fixedly connected on collection mechanism, buffer mechanism includes push plate 504, the outside of push plate 504 is slidably connected with the inside of first air outlet pipe 503 in collection mechanism, the inner end middle part of push plate 504 is fixedly connected with fixed block 505, the middle part of fixed block 505 is rotatably connected with rotating shaft 506, rotating shaft 506 is rotatably connected with shaft sleeve 507, one end of push rod 508 is fixedly connected with the outside inside of shaft sleeve 507, the other end of push rod 508 is fixedly connected with sliding block 509, sliding block 509 is slidably connected with central shaft 512, central shaft 512 annularly publishes and is equipped with sliding groove 511, sliding groove 511 is slidably connected with sliding block 509, the right end of sliding block 509 is fixedly connected with one end of spring 510, the other end of spring 510 is fixedly connected with sliding groove 511, buffer mechanism is used to buffer the pressure of gas instantaneous entry, first air outlet pipe 503 is made of rubber material, can realize certain deformation.
[0031] With reference to Figures 1-4, a filter mechanism is fixedly connected to the middle part of the front side of the top of the base 9, and the filter mechanism includes a filter box 6. The bottom end of the filter box 6 is fixedly connected to the middle side of the top front end of the base 9. The top of the filter box 6 is threadedly connected to a cover plate 607 by a screw 606. The interior of the filter box 6 is equidistantly provided with card slots 601, and a filter frame 602 is slidably connected in the card slot 601. The interior of the filter frame 602 is fixedly connected with a stainless steel filter screen 603, an activated carbon filter screen 604, and a high-efficiency HPEA filter screen 605 from left to right. The filter mechanism is used to filter gas. The right part of the top of the base 9 is fixedly connected to a secondary use mechanism. The secondary use mechanism includes a second air outlet pipe 608. The bottom of the right end of the filter box 6 in the filter mechanism is connected to the second air outlet pipe The left end of 608 is fixedly connected, the right end of the second air outlet pipe 608 is fixedly connected to the input end of the gas detector 609, the output end of the gas detector 609 is fixedly connected to one end of the second air inlet pipe 701, the other end of the second air inlet pipe 701 is fixedly connected to the input end of the ball valve 7, the output end of the ball valve 7 is respectively fixedly connected to the exhaust bucket 702 and the front end of the third air outlet pipe 703, the rear end of the third air outlet pipe 703 is fixedly connected to the storage tank 704, the interior of the storage tank 704 is fixedly connected to the heating resistor wire 705, the rear end of the storage tank 704 is fixedly connected to one end of the connecting pipe 706, the other end of the connecting pipe 706 is fixedly connected to the fluid box 1, and the secondary use mechanism is used for secondary use of the filtered gas.
[0032] Reference Figures 1-4 A detection mechanism is fixedly connected to the fluid box 1, and the detection mechanism includes a water outlet pipe 103. The rear end of the water outlet pipe 103 is fixedly connected to the front bottom of the fluid box 1, and the front end of the water outlet pipe 103 is fixedly connected to the device under test 2. The front end of the device under test 2 is fixedly connected to the data detector 4, and the front end of the data detector 4 is fixedly connected to the storage box 8. The top of the fluid box 1 is fixedly connected to the adding bucket 101, and the top of the adding bucket 101 is threadedly connected to the end cover 102. The detection mechanism is used for the detection of fluid machinery, and the bottom end of the fluid box 1 is fixedly connected to the base 9, and the middle part of the top left side of the base 9 is fixedly connected to the operating table 3. The top of the operating table 3 is fixedly connected to the control panel 301, and the control panel 301 is electrically connected to the data detector 4, the gas concentration meter 502, the gas detector 609, the heating resistor 705 and the ball valve 7.
[0033] Working principle: The fluid material for testing is filled into the fluid box 1 through the adding bucket 101, and the fluid material is discharged from the outlet pipe 103 and passes through the tested device 2. The data obtained by the data detector 4 is fed back to the control panel 301, and the gas generated then flows into the storage box 8. When the gas concentration in the storage box 8 reaches the threshold value under the detection of the gas concentration meter 502, the gas concentration meter 502 is started and the gas is sucked into the first air inlet pipe 501. After the gas concentration meter 502 is turned on, the gas that passes through instantly acts on the push rod 508, and the push rod 508 causes the slider 509 to move along the slide groove 511, squeezing the spring 510. Since the fixed block 505 is fixedly connected to the push plate 504, and the push rod 508 is connected to the fixed block 505 through the shaft sleeve 507 and the rotating shaft 506, when the push rod 508 slides, due to the fixed length, the push rod 508 pushes the push plate 504 outward, so that the first air outlet pipe 503 It deforms, increasing the flow area, and the spring 510 can consume part of the pressure, thereby achieving the effect of coping with instantaneous pressure. Then, after entering the filter box 6 through the first air outlet pipe 503, the gas passes through the stainless steel filter 603, the activated carbon filter 604, and the high-efficiency HPEA filter 605 on the filter frame 602 from left to right. After passing through the filter box 6, the gas is detected by the gas detector 609. After meeting the emission standards, the gas detector 609 is turned on, and the gas enters the ball valve 7 through the second air inlet pipe 701. Then, a part of it enters the storage tank 704 through the third air outlet pipe 703, and the other part is discharged through the exhaust hopper 702. The air entering the storage tank 704 can have two functions. One is to be used for gas circulation detection, and the other is to be heated by the heating resistor wire 705 and then enter the fluid box 1 through the connecting pipe 706 to dry the inside of the fluid box 1 after use.
[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. 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 fluid machinery testing device with an automatic gas collection and discharge device, comprising a fluid box (1), characterized in that: The fluid box (1) is fixedly connected with a detection mechanism, and the detection mechanism is used for detecting fluid machinery. The bottom end of the fluid box (1) is fixedly connected with a base (9), and the left side of the top front end of the base (9) is fixedly connected with a storage box (8). The top of the storage box (8) is fixedly connected with a collection mechanism, and the collection mechanism is used to collect generated gas. The collection mechanism is fixedly connected with a buffer mechanism, and the buffer mechanism is used to buffer the pressure of gas entering instantly. The middle part of the front side of the top of the base (9) is fixedly connected with a filter mechanism, and the filter mechanism is used to filter gas. The right part of the top of the base (9) is fixedly connected with a secondary use mechanism, and the secondary use mechanism is used to reuse the filtered gas.
2. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: The detection mechanism comprises a water outlet pipe (103), the rear end of the water outlet pipe (103) is fixedly connected to the front bottom of the fluid box (1), the front end of the water outlet pipe (103) is fixedly connected to the device to be tested (2), the front end of the device to be tested (2) is fixedly connected to the data detector (4), the front end of the data detector (4) is fixedly connected to the storage box (8), the top end of the fluid box (1) is fixedly connected to the addition hopper (101), and the top of the addition hopper (101) is threadedly connected to the end cover (102).
3. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: The collecting mechanism comprises an air collecting hood (5), the top end of the storage box (8) is slidably connected to the air collecting hood (5), the middle portion of the top end of the air collecting hood (5) is fixedly connected to a first air inlet pipe (501), the top end of the first air inlet pipe (501) is fixedly connected to the input end of a gas concentration meter (502), the output end of the gas concentration meter (502) is fixedly connected to one end of a first air outlet pipe (503), and the other end of the first air outlet pipe (503) is fixedly connected to the left end of the filter box (6).
4. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: The buffer mechanism comprises a push plate (504), the outer side of the push plate (504) is slidably connected to the inside of the first air outlet pipe (503) in the collecting mechanism, the middle part of the inner end of the push plate (504) is fixedly connected to a fixed block (505), the middle part of the fixed block (505) is rotatably connected to a rotating shaft (506), the rotating shaft (506) is rotatably connected to a shaft sleeve (507), the outer inner side of the shaft sleeve (507) is fixedly connected to a push rod (506). 08), the other end of the push rod (508) is fixedly connected to a slider (509), the slider (509) is slidably connected to a central shaft (512), the central shaft (512) is annularly provided with a slide groove (511), the slide groove (511) is slidably connected to the slider (509), the right end of the slider (509) is fixedly connected to one end of a spring (510), and the other end of the spring (510) is fixedly connected to the slide groove (511).
5. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: The filtering mechanism comprises a filter box (6), the bottom end of the filter box (6) is fixedly connected to the middle side of the top front end of the base (9), the top end of the filter box (6) is threadedly connected to a cover plate (607) via a screw (606), the interior of the filter box (6) is provided with slots (601) at equal intervals, a filter frame (602) is slidably connected in the slots (601), and the interior of the filter frame (602) is fixedly connected with a stainless steel filter screen (603), an activated carbon filter screen (604), and a high-efficiency HPEA filter screen (605) in sequence from left to right.
6. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: The secondary use mechanism includes a second air outlet pipe (608), the bottom of the right end of the filter box (6) in the filtering mechanism is fixedly connected to the left end of the second air outlet pipe (608), the right end of the second air outlet pipe (608) is fixedly connected to the input end of the gas detector (609), the output end of the gas detector (609) is fixedly connected to one end of the second air inlet pipe (701), the other end of the second air inlet pipe (701) is fixedly connected to the input end of the ball valve (7), the output end of the ball valve (7) is fixedly connected to the exhaust hopper (702) and the front end of the third air outlet pipe (703), the rear end of the third air outlet pipe (703) is fixedly connected to the storage tank (704), the interior of the storage tank (704) is fixedly connected to a heating resistance wire (705), the rear end of the storage tank (704) is fixedly connected to one end of a connecting pipe (706), and the other end of the connecting pipe (706) is fixedly connected to the fluid box (1).
7. The fluid machinery testing equipment with an automatic gas collection and discharge device according to claim 1, characterized in that: An operating table (3) is fixedly connected to the middle of the left side of the top of the base (9), and a control panel (301) is fixedly connected to the top of the operating table (3). The control panel (301) is electrically connected to the data detector (4), the gas concentration meter (502), the gas detector (609), the heating resistance wire (705) and the ball valve (7).