Detection device for differential pressure transmitter

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By designing a detection device for a differential pressure transmitter, using an electric telescopic rod and a leakage detection device, the problem of difficulty in accurately determining the small air leakage in the prior art is solved, and a higher detection accuracy and better Low operating strength.

CN222439032UActive Publication Date: 2025-02-07ZHENGZHOU SHENTAI INSTR MFG CO LTD

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Patent Information

Application Number: CN202421044964.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-14
Publication Date: 2025-02-07
Estimated Expiration: 2034-05-14

AI Technical Summary

Technical Problem

The existing differential pressure transmitter detection methods are difficult to accurately judge the small air leakage. The operator judges whether there is a leaking sound by listening to the differential pressure transmitter, which has the risk of inaccuracy.

Method used

Design a detection device, by placing the differential pressure transmitter on the support bracket, using an electric telescopic rod to drive the fixed bracket to move, and then the water supply pipe drives the socket interface and the water filling hose to move, and the push rod socket interface is connected The water inlet end of the transmitter detects whether the water end is leaking through the leakage detection device.

Benefits of technology

It realizes a more intuitive and simpler judgment of whether there is any sealing abnormality in the differential pressure transmitter, improves the detection accuracy and reduces the working intensity of the operator.

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Abstract

The utility model provides a detection device for a differential pressure transmitter, which belongs to the technical field of differential pressure transmitter detection and comprises a differential pressure transmitter and a support at the bottom of the differential pressure transmitter, a support plate is arranged at the rear end of the lower surface of the support, a support frame is arranged at the rear end of the upper surface of the support plate, and a baffle is arranged behind the support frame. A socket is arranged in front of the differential pressure transmitter and corresponds to the water inlet end of the differential pressure transmitter, a water supply pipeline is arranged at the front end of the socket, a water filling hose is arranged in front of the water supply pipeline, a booster pump is arranged in front of the water filling hose, a fixing support is arranged on the lower surface of the water supply pipeline, and a telescopic unit is arranged in front of the fixing support. The differential pressure transmitter can be placed on the supporting bracket and the supporting frame, the baffle is used for blocking the water outlet end of the transmitter, the electric telescopic rod is started to drive the fixed bracket to move, the push rod socket is connected to the water inlet end of the transmitter to inject water into the cavity, and whether the water outlet end of the transmitter leaks water or not is detected through the leakage detection device.

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Description

Technical Field

[0001] The utility model relates to the technical field of differential pressure transmitter detection, in particular to a detection device for a differential pressure transmitter. Background Art

[0002] Differential pressure transmitters are used to measure the level, density and pressure of liquids, gases and steam, and then convert them into current signal output.

[0003] In the prior art, after the differential pressure transmitter is produced, it needs to be tested to determine whether it can be used normally. During the test, the sealing inside the differential pressure transmitter needs to be tested. The existing testing method is to connect a pipeline at the connection of the differential pressure transmitter, and connect the other end of the pipeline to an air pump. The air pump is turned on to inject air into the differential pressure transmitter. The operator approaches the differential pressure transmitter to listen to whether there is a sound of air leakage on the differential pressure transmitter. However, it is difficult for the operator to judge a tiny air leakage on the differential pressure transmitter by listening. In order to solve the above problem, a detection device for a differential pressure transmitter is proposed to solve the above problem. Utility Model Content

[0004] In view of this, the utility model provides a detection device for a differential pressure transmitter. The utility model can place the differential pressure transmitter on a supporting bracket and use a baffle on the supporting bracket to block the water outlet of the transmitter, start the electric telescopic rod to drive the fixed bracket to move, connect the push rod socket interface to the water inlet end of the transmitter to inject water into its cavity, and detect whether the water outlet end of the transmitter is leaking through a leakage detection device.

[0005] In order to solve the above technical problems, the utility model provides a detection device for a differential pressure transmitter, including a differential pressure transmitter and a supporting bracket at the bottom of the differential pressure transmitter, a supporting plate is provided at the rear end of the lower surface of the supporting bracket, a supporting bracket is provided at the rear end of the upper surface of the supporting plate, a baffle is provided behind the supporting bracket, a socket joint is provided in front of the differential pressure transmitter, the socket joint corresponds to the water inlet end of the differential pressure transmitter, a water supply pipe is provided at the front end of the socket joint, a water filling hose is provided in front of the water supply pipe, a booster pump is provided in front of the water filling hose, a fixed bracket is provided on the lower surface of the water supply pipe, and a telescopic unit is provided in front of the fixed bracket.

[0006] The water supply pipe is made of steel. A connection port for connecting the water supply pipe with a water filling hose is provided in the middle of the front end of the water supply pipe. A sealing connector for reinforcing the connection between the connection port and the water filling hose is provided on the surface of the connection port.

[0007] The sealing connector corresponds to the connecting port, the front end of the sealing connector is connected to the water outlet end of the water filling hose, and the water inlet end of the water filling hose is connected to the booster pump.

[0008] A reinforcing rod for connecting the fixed bracket with the water supply pipe is arranged on the upper front part of the fixed bracket, one end of the reinforcing rod is fixed to the fixed bracket, and the other end of the reinforcing rod is fixed to the front end surface of the water supply pipe.

[0009] A telescopic fixture for connecting the fixed bracket with the electric telescopic rod is arranged in the middle of the front of the fixed bracket, and the electric telescopic rod for driving the fixed bracket to move is arranged at the front end of the telescopic fixture.

[0010] A telescopic connector for connecting the electric telescopic rod with the telescopic unit is provided at the front end of the electric telescopic rod. The telescopic connector is connected to the telescopic unit. An equipment bottom plate for fixing the equipment is provided on the lower surface of the telescopic unit.

[0011] The rear end of the equipment bottom plate is welded to the front end of the supporting bracket, and a pump group bracket for fixing and supporting the booster pump is provided on the lower surface of the booster pump, and the lower surface of the pump group bracket is fixed to the upper surface of the equipment bottom plate.

[0012] The lower surface of the fixed bracket is provided with a slider for driving the fixed bracket to move along the slide rail. The rear of the telescopic unit is provided with a slide rail for moving the slider. The lower surface of the slide rail is fixed to the upper surface of the equipment bottom plate, and the slide rail and the slider slide in cooperation.

[0013] An opening for fixing and installing a leakage detection device is provided through the middle of the baffle, and a leakage detection device for detecting whether there is water leakage at the water outlet of the differential pressure transmitter is provided in the opening. A fixing plate for connecting the leakage detection device and the baffle is provided at the rear end of the leakage detection device, and the fixing plate is fixed to the back of the baffle.

[0014] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0015] 1. Place the differential pressure transmitter on the support bracket and use the baffle on the support frame to block the water outlet of the transmitter. Start the telescopic unit to make the electric telescopic rod drive the fixed bracket to move, and then make the water supply pipe drive the socket joint and the water filling hose to move. Connect the push rod socket joint to the water inlet end of the transmitter to inject water into its cavity. Control the applicable pressure of the transmitter to be tested by adjusting the pressure of the booster pump. Use the leakage detection device to detect whether the water outlet of the transmitter is leaking. It can more intuitively and simply judge whether the sealing of the differential pressure transmitter is abnormal, thereby increasing the detection accuracy.

[0016] 2. A reinforcing rod for connecting the fixed bracket with the water supply pipe is provided on the upper front part of the fixed bracket. One end of the reinforcing rod is fixed to the fixed bracket, and the other end of the reinforcing rod is fixed to the front end surface of the water supply pipe, thereby improving the connection relationship between the fixed bracket and the water supply pipe.

[0017] 3. A slider is provided on the lower surface of the fixed bracket for driving the fixed bracket to move along the slide rail. A slide rail for moving the slider is provided at the rear of the telescopic unit. The lower surface of the slide rail is fixed to the upper surface of the equipment bottom plate. The slide rail and the slider slide in cooperation to reduce the work intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of a detection device for a differential pressure transmitter of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 It is a side sectional view of the utility model;

[0021] Figure 4 It is a rear view structural schematic diagram of the utility model.

[0022] Description of reference numerals:

[0023] 100. differential pressure transmitter; 101. supporting bracket; 102. supporting plate; 103. supporting frame; 104. baffle; 105. socket joint; 106. water supply pipe; 200. water filling hose; 201. booster pump; 202. fixing bracket; 203. telescopic unit; 204. connecting port; 205. sealing connector; 300. reinforcing rod; 301. telescopic fixture; 302. electric telescopic rod; 303. telescopic connector; 304. equipment bottom plate; 305. pump unit bracket; 306. slider; 307. slide rail; 308. opening; 309. leakage detection device; 310. fixing plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0025] like Figure 1-4As shown: This embodiment provides a detection device for a differential pressure transmitter, including a differential pressure transmitter 100 and a support bracket 101 at the bottom of the differential pressure transmitter 100, a support plate 102 for fixing the support bracket 103 is provided at the rear end of the lower surface of the support bracket 101, a support bracket 103 for fixing and clamping the rear part of the differential pressure transmitter 100 is provided at the rear end of the upper surface of the support plate 102, a baffle 104 for preventing the differential pressure transmitter 100 from moving and for fixing and installing a leakage detection device 309 is provided behind the support bracket 103, and a socket interface 104 for inserting the water inlet port of the differential pressure transmitter 100 is provided in front of the differential pressure transmitter 100 05, the socket-and-spigot joint 105 corresponds to the water inlet end of the differential pressure transmitter 100, and a water supply pipe 106 for injecting water into the water inlet port of the differential pressure transmitter 100 is provided at the front end of the socket-and-spigot joint 105, and a water filling hose 200 that can be stretched to supply water to the water supply pipe 106 is provided in front of the water supply pipe 106, and a booster pump 201 for adjusting the pressure in the water supply pipe 106 is provided in front of the water filling hose 200, and a fixed bracket 202 for fixing the water supply pipe 106 is provided on the lower surface of the water supply pipe 106, and a telescopic unit 203 for driving an electric telescopic rod 302 to drive the fixed bracket 202 to move is provided in front of the fixed bracket 202.

[0026] When in use, place the differential pressure transmitter 100 on the supporting bracket 101 and the supporting bracket 103, use the baffle 104 to block the water outlet of the transmitter, start the telescopic unit 203 to make the electric telescopic rod 302 drive the fixed bracket 202 to move, and then make the water supply pipe 106 drive the socket joint 105 and the water filling hose 200 to move, and the push rod socket joint 105 is connected to the water inlet end of the transmitter to inject water into its cavity. By adjusting the pressure of the booster pump 201, the applicable pressure of the transmitter to be tested is controlled, and the leakage detection device 309 is used to detect whether the water outlet of the transmitter is leaking.

[0027] This embodiment provides a detection device for a differential pressure transmitter.

[0028] like Figure 1 , 2 As shown in , 3: the water supply pipe 106 is made of steel material, and a connecting port 204 for connecting the water supply pipe 106 with a water filling hose 200 is provided in the middle of the front end of the water supply pipe 106. The connecting port 204 runs through the front end of the water supply pipe 106, and a sealing connector 205 for reinforcing the connection between the connecting port 204 and the water filling hose 200 is provided on the surface of the connecting port 204. The sealing connector 205 is sealed and connected to the connecting port 204, and the sealing connector 205 corresponds to the connecting port 204. The front end of the sealing connector 205 is sealed and connected to the water outlet end of the water filling hose 200, and the water inlet end of the water filling hose 200 is sealed and connected to the booster pump 201.

[0029] like Figure 1As shown: a reinforcing rod 300 for connecting the fixing bracket 202 with the water supply pipe 106 is provided at the upper front part of the fixing bracket 202; one end of the reinforcing rod 300 is welded and fixed to the fixing bracket 202, and the other end of the reinforcing rod 300 is welded and fixed to the front end surface of the water supply pipe 106.

[0030] like Figure 1 , 2 As shown in 3: a telescopic fixture 301 for connecting the fixed bracket 202 with the electric telescopic rod 302 is provided in the middle of the front of the fixed bracket 202, the fixed bracket 202 and the telescopic fixture 301 are connected and fixed by bolts, an electric telescopic rod 302 for driving the fixed bracket 202 to move is provided at the front end of the telescopic fixture 301, the electric telescopic rod 302 is mechanically sealed and connected to the telescopic fixture 301, a telescopic connector 303 for connecting the electric telescopic rod 302 with the telescopic unit 203 is provided at the front end of the electric telescopic rod 302, the telescopic connector 303 is mechanically sealed and connected to the electric telescopic rod 302, the telescopic connector 303 is sealed and connected to the telescopic unit 203, and an equipment base plate 304 for fixing the equipment is provided on the lower surface of the telescopic unit 203, and the equipment base plate 304 is fixed to the telescopic unit 203 by bolts.

[0031] like Figure 1 , 2 As shown in 3: the rear end of the equipment base plate 304 is welded to the front end of the supporting bracket 101, and the lower surface of the boosting pump 201 is provided with a pump group bracket 305 for fixing and supporting the boosting pump 201, the pump group bracket 305 and the boosting pump 201 are fixed by bolts, and the lower surface of the pump group bracket 305 and the upper surface of the equipment base plate 304 are fixed by bolts and angle irons, and the lower surface of the fixed bracket 202 is provided with a slider 306 for driving the fixed bracket 202 to move along the slide rail 307, and the fixed bracket 202 and the slider 306 are fixed by bolts, and a slide rail 307 for moving the slider 306 is provided at the rear of the telescopic unit 203, and the lower surface of the slide rail 307 is welded and fixed to the upper surface of the equipment base plate 304, and the slide rail 307 and the slider 306 slide together.

[0032] like Figure 3 , 4 As shown: an opening 308 for fixing and installing a leakage detection device 309 is provided through the middle of the baffle 104, and a leakage detection device 309 for detecting whether there is water leakage at the water outlet of the differential pressure transmitter 100 is provided in the opening 308, and a fixing plate 310 for connecting the leakage detection device 309 and the baffle 104 is provided at the rear end of the leakage detection device 309, the leakage detection device 309 and the fixing plate 310 are fixed by bolts, and the fixing plate 310 is fixed to the back of the baffle 104 by bolts.

[0033] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0034] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A detection device for a differential pressure transmitter, characterized in that: The invention comprises a differential pressure transmitter (100) and a support bracket (101) at the bottom of the differential pressure transmitter (100); a support plate (102) is provided at the rear end of the lower surface of the support bracket (101); a support bracket (103) is provided at the rear end of the upper surface of the support plate (102); a baffle (104) is provided behind the support bracket (103); a socket joint (105) is provided in front of the differential pressure transmitter (100); the socket joint (105) corresponds to the water inlet end of the differential pressure transmitter (100); a water supply pipe (106) is provided at the front end of the socket joint (105); a water filling hose (200) is provided in front of the water supply pipe (106); a booster pump (201) is provided in front of the water filling hose (200); a fixed bracket (202) is provided on the lower surface of the water supply pipe (106); a telescopic unit (203) is provided in front of the fixed bracket (202).

2. A detection device for a differential pressure transmitter according to claim 1, characterized in that: The water supply pipe (106) is made of steel. A connection port (204) is provided in the middle of the front end of the water supply pipe (106). A sealing connector (205) is provided on the surface of the connection port (204).

3. A detection device for a differential pressure transmitter as claimed in claim 2, characterized in that: The sealing connector (205) corresponds to the connecting port (204), the front end of the sealing connector (205) is connected to the water outlet end of the water filling hose (200), and the water inlet end of the water filling hose (200) is connected to the booster pump (201).

4. A detection device for a differential pressure transmitter as claimed in claim 3, characterized in that: A reinforcing rod (300) is provided on the upper front portion of the fixed bracket (202), one end of the reinforcing rod (300) is fixed to the fixed bracket (202), and the other end of the reinforcing rod (300) is fixed to the front end surface of the water supply pipe (106).

5. A detection device for a differential pressure transmitter as claimed in claim 4, characterized in that: A telescopic fixture (301) is provided at the middle of the front of the fixing bracket (202), and an electric telescopic rod (302) is provided at the front end of the telescopic fixture (301).

6. A detection device for a differential pressure transmitter as claimed in claim 5, characterized in that: A telescopic connector (303) is provided at the front end of the electric telescopic rod (302), and the telescopic connector (303) is connected to the telescopic unit (203). A device bottom plate (304) is provided on the lower surface of the telescopic unit (203).

7. A detection device for a differential pressure transmitter according to claim 6, characterized in that: The rear end of the equipment bottom plate (304) is welded to the front end of the support bracket (101), and a pump group bracket (305) is provided on the lower surface of the booster pump (201), and the lower surface of the pump group bracket (305) is fixed to the upper surface of the equipment bottom plate (304).

8. A detection device for a differential pressure transmitter according to claim 7, characterized in that: A slider (306) is provided on the lower surface of the fixed bracket (202), a slide rail (307) is provided at the rear of the telescopic unit (203), the lower surface of the slide rail (307) is fixed to the upper surface of the equipment bottom plate (304), and the slide rail (307) is slidably matched with the slider (306).

9. A detection device for a differential pressure transmitter according to claim 8, characterized in that: An opening (308) is provided through the middle of the baffle (104), a leakage detection device (309) is provided in the opening (308), a fixing plate (310) is provided at the rear end of the leakage detection device (309), and the fixing plate (310) is fixed to the rear of the baffle (104).