CN219038603U - Pressure tester - Google Patents
Pressure tester Download PDFInfo
- Publication number
- CN219038603U CN219038603U CN202223091351.7U CN202223091351U CN219038603U CN 219038603 U CN219038603 U CN 219038603U CN 202223091351 U CN202223091351 U CN 202223091351U CN 219038603 U CN219038603 U CN 219038603U
- Authority
- CN
- China
- Prior art keywords
- middle frame
- wall
- sealing
- gland
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a pressure tester, which comprises a shell with an opening at the top and a connector at the bottom, wherein the bottom of the opening is provided with a threaded hole, the threaded hole is provided with a pressure channel penetrating through the connector, a pressure sensor screwed with the threaded hole through the threaded head is arranged in the shell, and a sealing gasket is arranged between the pressure sensor and the bottom of the opening; the middle frame is positioned in the opening, and the top of the middle frame is open and is provided with a circuit board; the outer wall of the middle frame is provided with a first sealing ring; the upper end of the middle frame is provided with an axial positioning part, the upper end surface of the axial positioning part is provided with a window installation part, and a second sealing ring and a perspective window are arranged in the window installation part; the sealing device further comprises a gland sleeved outside the shell, a shoulder is arranged on the inner wall of the upper end of the gland, and the shoulder abuts against the perspective window to clamp the second sealing ring between the perspective window and the window mounting part. The utility model has the advantages of complete waterproof, multiple sealing protection, convenience and durability.
Description
Technical Field
The utility model relates to the technical field of pipeline pressure test equipment, in particular to a pressure test instrument.
Background
The pipeline system (including a tap water supply system, a heating system and the like) is indispensable to modern buildings, and after the pipeline system is installed, pressure test detection is a key necessary acceptance link, and the installation quality, the safety and the service life of the pipeline system are related.
The working principle of the pressure test detection is that the pressure test detection equipment is communicated with one water outlet of the pipeline system, the other water outlets of the pipeline system are closed, and the pipeline system is pressurized to form pressure meeting the pressure test detection requirement in the pipeline system. The pressure is kept in the pipeline system for a period of time, and whether the installation quality of the pipeline system is qualified can be judged by recording the numerical variation amplitude of the pressure gauge.
In the prior art, the pressure tester on the market is generally a mechanical pressure meter, has poor accuracy, cannot record pressure test values, has no function of automatically judging detection results, and is easy to produce misjudgment or artificial data counterfeiting. In addition, the traditional pressure tester is complex in structure and single in function, needs to be connected with an external power supply through a wire in an electrified mode, is inconvenient to move, and increases the operation difficulty of workers. Moreover, the conventional pressure tester cannot clearly and clearly show the pressure test process.
According to the above problems, chinese patent ZL201710380426.8 discloses a pressure tester and a pressure testing system. The pressure tester comprises a shell structure, a pressure detection structure and a pressure detection connector, wherein the pressure detection structure is arranged in the shell structure, the pressure detection connector is connected with the pressure detection structure, and the pressure detection connector protrudes out of the end part of the shell structure; the pressure detection structure comprises a power supply arranged in the shell structure, a detection circuit board connected with the power supply, and a pressure sensor connected with the detection circuit board, wherein the pressure sensor is connected with the pressure detection joint; the detection circuit board comprises a data storage module connected with the pressure sensor and a data analysis module connected with the data storage module. The pressure tester and the pressure testing system provided by the utility model do not need an external power supply to supply power, can automatically record and analyze the pressure testing value, and are accurate and reliable in testing.
However, at present, the pressure test of the pipeline system is generally operated by professional hydraulic engineering, and because the hydraulic engineering needs to check and accept pipelines of a plurality of sets of houses every day, the frequency of using the pressure test equipment is higher, and due to poor water resistance, water inflow of a circuit board can occur after a period of use of the pressure test equipment in the market, so that the pressure test equipment cannot work normally, and the checking and accepting efficiency of the pressure test hydraulic engineering is affected.
Disclosure of Invention
Based on the problems, the utility model aims to provide a pressure tester which can be completely waterproof and has multiple sealing protection, and is convenient and durable.
Aiming at the problems, the following technical scheme is provided: the pressure tester comprises a shell with an opening at the top and a connector at the bottom, wherein a threaded hole is formed in the bottom of the opening, a pressure channel penetrating through the connector is formed in the threaded hole, a pressure sensor screwed with the threaded hole through the threaded head is arranged in the shell, and a sealing gasket is arranged between the pressure sensor and the bottom of the opening; the pressure sensor is characterized by further comprising a cylindrical middle frame which is positioned in the opening and above the pressure sensor, wherein the top of the middle frame is open and is provided with a circuit board connected with the pressure sensor; the outer wall of the middle frame is provided with a first sealing ring which is in sealing fit with the inner wall of the shell; the upper end of the middle frame is provided with an axial positioning part propped against the end face of the top of the shell, a window mounting part with the inner diameter larger than that of the middle frame is arranged at the junction of the upper end face of the axial positioning part and the inner wall, and a second sealing ring and a perspective window are arranged in the window mounting part; the sealing device further comprises a gland sleeved outside the shell, a shoulder is arranged on the inner wall of the upper end of the gland, and the shoulder abuts against the perspective window to clamp the second sealing ring between the perspective window and the window mounting part.
In the structure, the threaded head of the pressure sensor is screwed with the threaded hole, the sealing gasket is extruded to realize sealing, and when the connector is connected with the pressure measuring pipeline to test pressure, a first barrier is formed to prevent a medium in the pipeline from entering the shell; the cylindrical middle frame is used for containing electric elements such as a circuit board and the like, and meanwhile, the outer wall of the middle frame is sealed with the inner wall of the shell through the first sealing ring, so that even if the sealing gasket leaks, the sealing gasket can be blocked by the first sealing ring; when the gland is buckled with the shell, the perspective window is extruded by the shoulder, so that a second sealing ring between the perspective window and the window installation part is extruded to seal the middle frame, and the perspective window is used for displaying detection parameters and states on the circuit board; compared with the existing pressure tester, the pressure tester has stronger sealing performance, realizes complete water resistance and effectively prolongs the service life.
The utility model is further arranged that the inner wall of the gland and the outer wall of the shell or the outer wall of the axial positioning part of the middle frame are mutually buckled and prevented from falling.
In the structure, the inner wall of the gland is provided with a buckling hook, the outer wall of the axial positioning part of the middle frame is provided with a buckling groove matched with the buckling hook, and the buckling groove are mutually buckled to fix the perspective window.
The utility model is further arranged that the outer wall of the upper end of the shell is provided with a machine screw which is propped against the outer wall of the middle frame to fix the middle frame.
In the structure, the machine rice screw is used for fixing the shell and the middle frame.
The utility model further provides that the machine screw is covered in the gland, and a third sealing ring is arranged between the inner wall of the gland towards the bottom direction of the shell and the outer wall of the shell.
In the structure, the machine rice screw cover can play a role in stopping by utilizing the blocking of the gland in the gland, and the machine rice screw cover is matched with the third sealing ring to avoid the problems of rust and the like caused by the contact of dirt and the machine rice screw.
The utility model is further arranged that the middle frame is provided with a battery connected with a circuit board, and the circuit board is also provided with a charging port; the middle frame is provided with a middle frame charging slot which is correspondingly arranged with the charging port; the gland is provided with a gland charging groove which is correspondingly arranged with the middle frame charging groove.
In the structure, the gland charging groove and the middle frame charging groove are convenient for the charging male plug to pass through and be inserted with the charging port.
The utility model further provides that the circuit board is fixed on the middle frame through screws.
The utility model is further arranged that a display screen is arranged on one surface of the circuit board, which faces the perspective window.
The utility model is further characterized in that a sealing groove is arranged on one surface of the middle frame facing the bottom of the opening, the bottom of the sealing groove is connected with the inner cavity of the middle frame, a sealing block is arranged in the sealing groove, and a signal wire of the pressure sensor passes through the sealing block and the sealing groove to be connected with the circuit board.
In the structure, the signal wire passes through the sealing block and enters the middle frame, and the sealing groove is used for improving the sealing extrusion force of the sealing block so as to ensure the tightness.
The utility model is further characterized in that anti-rolling bulges are uniformly distributed on the outer wall of the gland along the circumferential direction of the gland.
In the structure, the rolling-preventing bulge can prevent the pressure tester from rolling on uneven ground and prevent accidents such as falling.
The utility model is further characterized in that a polygonal torsion part is arranged at the joint of the thread head and the shell, and a fourth sealing ring is arranged at the joint of the thread head and the polygonal torsion part.
In the structure, the polygonal torsion part is matched with the wrench, so that the threaded head is screwed on the pressure measuring pipeline conveniently, and the fourth sealing ring is used for sealing the threaded head and the pressure measuring pipeline, so that the problem of inaccurate pressure measurement caused by leakage is avoided.
The utility model further provides that a sealing plug is arranged in the gland charging groove, the shell is sleeved with a rubber ring, and the sealing plug is fixed on the rubber ring.
In the structure, the sealing plug can improve the water tightness of the charging port, and the charging port can also directly adopt the waterproof charging port to ensure the tightness.
The utility model is further characterized in that a filter screen is arranged in the pressure channel at the end part of the connector.
In the structure, the filter screen can prevent impurities in the pressure measuring pipeline from entering the pressure channel.
The utility model has the beneficial effects that: the screw thread head of the pressure sensor is screwed with the screw hole, the sealing gasket is extruded to realize sealing, and when the connector is connected with the pressure measuring pipeline to test pressure, a first barrier is formed to prevent a medium in the pipeline from entering the shell; the cylindrical middle frame is used for containing electric elements such as a circuit board and the like, and meanwhile, the outer wall of the middle frame is sealed with the inner wall of the shell through the first sealing ring, so that even if the sealing gasket leaks, the sealing gasket can be blocked by the first sealing ring; when the gland is buckled with the shell, the perspective window is extruded by the shoulder, so that a second sealing ring between the perspective window and the window installation part is extruded to seal the middle frame, and the perspective window is used for displaying detection parameters and states on the circuit board; compared with the existing pressure tester, the pressure tester has stronger sealing performance, realizes complete water resistance and effectively prolongs the service life.
Drawings
Fig. 1 is a schematic perspective view of the whole structure of the present utility model.
Fig. 2 is a schematic perspective view of the whole section of the housing of the present utility model.
FIG. 3 is a schematic view of the overall first cut-away, full-section structure of the present utility model.
FIG. 4 is a schematic diagram of the overall second cut-away, full-section construction of the present utility model.
Fig. 5 is a schematic diagram of the explosive structure in a top view of the present utility model.
Fig. 6 is a schematic view of the explosion structure from the bottom view of the present utility model.
Fig. 7 is a schematic diagram of an exploded full section construction of the present utility model.
The meaning of the reference numerals in the figures: 10-a housing; 11-a connector; 12-a threaded hole; 13-pressure channel; 14-machine screws; 15-filtering the mixture; 20-a pressure sensor; 21-a thread head; 22-sealing gasket; 23-signal lines; 24-polygonal torsion; 25-fourth sealing rings; 30-a cylindrical middle frame; 301-a middle frame charging groove; 302-sealing the groove; 303-sealing blocks; 31-a circuit board; 311-charging port; 312-display screen; 32-a first sealing ring; 33-an axial positioning portion; 331-a buckling groove; 34-a window mount; 35-a second sealing ring; 36-perspective window; 37-cell; 38-screws; 40-gland; 401-gland charging tank; 41-a shoulder; 42-buckling hooks; 43-a third seal ring; 44-anti-roll protrusions; 50-sealing plugs; 51-glue ring.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 7, a pressure tester as shown in fig. 1 to 7 comprises a housing 10 with an opening at the top and a connector 11 at the bottom, wherein a threaded hole 12 is arranged at the bottom of the opening, the threaded hole 12 is provided with a pressure channel 13 penetrating through the connector 11, a pressure sensor 20 screwed with the threaded hole 12 through a threaded head 21 is arranged in the housing 10, and a sealing gasket 22 is arranged between the pressure sensor 20 and the bottom of the opening; also included is a cylindrical center frame 30 positioned within the opening and above the pressure sensor 20, the top of the middle frame 30 is open and is provided with a circuit board 31 connected with the pressure sensor 20; the outer wall of the middle frame 30 is provided with a first sealing ring 32 which is in sealing fit with the inner wall of the shell 10; the upper end of the middle frame 30 is provided with an axial positioning part 33 propped against the top end surface of the shell 10, a window mounting part 34 with the inner diameter larger than that of the middle frame 30 is arranged at the junction of the upper end surface of the axial positioning part 33 and the inner wall, and a second sealing ring 35 and a perspective window 36 are arranged in the window mounting part 34; the sealing device further comprises a gland 40 sleeved outside the shell 10, wherein a shoulder 41 is arranged on the inner wall of the upper end of the gland 40, and the shoulder 41 abuts against the perspective window 36 to clamp the second sealing ring 35 between the perspective window 36 and the window mounting part 34.
In the above structure, the screw thread head 21 of the pressure sensor 20 is screwed with the screw hole 12, the sealing gasket 22 is extruded to realize sealing, and when the connector 11 is connected with the pressure measuring pipeline to test pressure, a first barrier is formed to prevent a medium in the pipeline from entering the shell 10; the cylindrical middle frame 30 is used for containing electrical components such as a circuit board 31, and meanwhile, the outer wall of the middle frame 30 is sealed with the inner wall of the shell 10 through the first sealing ring 32, and even if the sealing gasket 22 leaks, the sealing gasket can be blocked by the first sealing ring 32; when the gland 40 is buckled with the shell 10, the perspective window 36 is extruded by the shoulder 41, so that the second sealing ring 35 between the perspective window 36 and the window mounting part 34 is extruded to seal the middle frame 30, and the perspective window 36 is used for displaying detection parameters and states on the circuit board 31; compared with the existing pressure tester, the pressure tester has stronger sealing performance, realizes complete water resistance and effectively prolongs the service life.
In this embodiment, the inner wall of the gland 40 and the outer wall of the housing 10 or the outer wall of the axial positioning portion 33 of the middle frame 30 are fastened to each other to prevent disengagement.
In the above structure, the inner wall of the gland 40 is provided with the fastening hook 42, the outer wall of the axial positioning portion 33 of the middle frame 30 is provided with the fastening groove 331 adapted to the fastening hook 42, and the fastening groove 331 and the fastening groove are fastened with each other to fix the perspective window 36.
In this embodiment, the outer wall of the upper end of the housing 10 is provided with a machine screw 14 that abuts against the outer wall of the middle frame 30 to fix the middle frame 30.
In the above structure, the machine screw 14 is used to fix the housing 10 and the middle frame 30.
In this embodiment, the machine screw 14 is covered in the gland 40, and a third sealing ring 43 is disposed between the inner wall of the gland 40 facing the bottom direction of the housing 10 and the outer wall of the housing 10 of the machine screw 14.
In the above structure, the machine screw 14 is covered in the gland 40, the stop effect can be achieved by the blocking of the gland 40, and the problems of rust and the like caused by contact of dirt and the machine screw 14 can be avoided by matching with the third sealing ring 43.
In this embodiment, the middle frame 30 is provided with a battery 37 connected with the circuit board 31, and the circuit board 31 is further provided with a charging port 311; the middle frame 30 is provided with a middle frame charging slot 301 which is correspondingly arranged with the charging port 311; the gland 40 is provided with a gland charging groove 401 corresponding to the middle frame charging groove 301.
In the structure, the gland charging groove 401 and the middle frame charging groove 301 are convenient for the charging male plug to pass through and be plugged with the charging port 311.
In this embodiment, the circuit board 31 is fixed to the middle frame 30 by screws 38.
In this embodiment, a display screen 312 is disposed on a surface of the circuit board 31 facing the perspective window 36.
In this embodiment, a sealing groove 302 is disposed on a surface of the middle frame 30 facing the bottom of the opening, the bottom of the sealing groove 302 is connected with an inner cavity of the middle frame 30, a sealing block 303 is disposed in the sealing groove 302, and the signal line 23 of the pressure sensor 20 passes through the sealing block 303 and the sealing groove 302 to be connected with the circuit board 31.
In the above structure, the signal wire 23 passes through the sealing block 303 and enters the middle frame 30, and the sealing groove 302 is used for improving the sealing extrusion force of the sealing block 303, so as to ensure the tightness.
In this embodiment, the outer wall of the gland 40 is provided with anti-rolling protrusions 44 uniformly distributed along the circumferential direction.
In the above structure, the rolling prevention protrusions 44 can prevent the pressure tester from rolling on uneven ground and prevent accidents such as falling.
In this embodiment, a polygonal torsion portion 24 is disposed at the junction between the screw head 21 and the housing 10, and a fourth seal ring 25 is disposed at the junction between the screw head 21 and the polygonal torsion portion 24.
In the above structure, the polygonal torsion part 24 is adapted to the wrench, so that the screw thread head 21 is screwed on the pressure measuring pipeline, and the fourth sealing ring 25 is used for sealing the screw thread head 21 and the pressure measuring pipeline, so as to avoid the problem of inaccurate pressure measurement caused by leakage.
In this embodiment, a sealing plug 50 is disposed in the gland charging slot 401, the housing 10 is sleeved with a rubber ring 51, and the sealing plug 50 is fixed on the rubber ring 51.
In the above structure, the sealing plug 50 can improve the water tightness of the charging port 311, and the charging port 311 can also directly adopt a waterproof charging port to ensure the tightness.
In this embodiment, a filter screen 15 is disposed in the pressure channel 13 at the end of the connector 11.
In the above structure, the filter screen 15 can prevent impurities in the pressure measuring pipeline from entering the pressure channel 13.
The utility model has the beneficial effects that: the screw thread head 21 of the pressure sensor 20 is screwed with the screw hole 12, the sealing gasket 22 is extruded to realize sealing, and when the connector 11 is connected with the pressure measuring pipeline to test pressure, a first barrier is formed to prevent a medium in the pipeline from entering the shell 10; the cylindrical middle frame 30 is used for containing electrical components such as a circuit board 31, and meanwhile, the outer wall of the middle frame 30 is sealed with the inner wall of the shell 10 through the first sealing ring 32, and even if the sealing gasket 22 leaks, the sealing gasket can be blocked by the first sealing ring 32; when the gland 40 is buckled with the shell 10, the perspective window 36 is extruded by the shoulder 41, so that the second sealing ring 35 between the perspective window 36 and the window mounting part 34 is extruded to seal the middle frame 30, and the perspective window 36 is used for displaying detection parameters and states on the circuit board 31; compared with the existing pressure tester, the pressure tester has stronger sealing performance, realizes complete water resistance and effectively prolongs the service life.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The utility model provides a pressure tester, includes the casing that open-top and bottom are equipped with the connector, the open bottom is equipped with the screw hole, the screw hole is equipped with the pressure channel who link up the connector setting, be equipped with the pressure sensor who closes through screw thread head and screw hole soon in the casing, its characterized in that: a sealing gasket is arranged between the pressure sensor and the bottom of the opening; the pressure sensor is characterized by further comprising a cylindrical middle frame which is positioned in the opening and above the pressure sensor, wherein the top of the middle frame is open and is provided with a circuit board connected with the pressure sensor; the outer wall of the middle frame is provided with a first sealing ring which is in sealing fit with the inner wall of the shell; the upper end of the middle frame is provided with an axial positioning part propped against the end face of the top of the shell, a window mounting part with the inner diameter larger than that of the middle frame is arranged at the junction of the upper end face of the axial positioning part and the inner wall, and a second sealing ring and a perspective window are arranged in the window mounting part; the sealing device further comprises a gland sleeved outside the shell, a shoulder is arranged on the inner wall of the upper end of the gland, and the shoulder abuts against the perspective window to clamp the second sealing ring between the perspective window and the window mounting part.
2. A pressure tester as claimed in claim 1, wherein: the inner wall of the gland is buckled with the outer wall of the shell or the outer wall of the axial positioning part of the middle frame to prevent the gland from falling off.
3. A pressure tester according to claim 1 or 2, characterized in that: the outer wall of the upper end of the shell is provided with a machine screw which is propped against the outer wall of the middle frame to fix the middle frame.
4. A pressure tester according to claim 3, wherein: the machine rice screw is covered in the gland, and a third sealing ring is arranged between the inner wall of the gland facing the bottom direction of the shell and the outer wall of the shell.
5. A pressure tester as claimed in claim 1, wherein: the middle frame is provided with a battery connected with a circuit board, and the circuit board is also provided with a charging port; the middle frame is provided with a middle frame charging slot which is correspondingly arranged with the charging port; the gland is provided with a gland charging groove which is correspondingly arranged with the middle frame charging groove.
6. The pressure tester according to claim 5, wherein: the circuit board is fixed on the middle frame through screws.
7. A pressure tester according to claim 1 or 5 or 6, characterized in that: the circuit board is equipped with the display screen towards the one side of perspective window.
8. A pressure tester as claimed in claim 1, wherein: the pressure sensor is characterized in that a sealing groove is formed in one face of the middle frame facing the bottom of the opening, the bottom of the sealing groove is connected with the inner cavity of the middle frame, a sealing block is arranged in the sealing groove, and a signal wire of the pressure sensor penetrates through the sealing block and the sealing groove to be connected with the circuit board.
9. A pressure tester as claimed in claim 1, wherein: the outer wall of the gland is provided with anti-rolling bulges uniformly distributed along the circumferential direction of the gland.
10. A pressure tester as claimed in claim 1, wherein: the joint of the thread head and the shell is provided with a polygonal torsion part, and the joint of the thread head and the polygonal torsion part is provided with a fourth sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091351.7U CN219038603U (en) | 2022-11-18 | 2022-11-18 | Pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091351.7U CN219038603U (en) | 2022-11-18 | 2022-11-18 | Pressure tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219038603U true CN219038603U (en) | 2023-05-16 |
Family
ID=86280015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223091351.7U Active CN219038603U (en) | 2022-11-18 | 2022-11-18 | Pressure tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219038603U (en) |
-
2022
- 2022-11-18 CN CN202223091351.7U patent/CN219038603U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5033297A (en) | Submersible sensor | |
| CN219038603U (en) | Pressure tester | |
| KR102296802B1 (en) | Communication type data recording water pressure sensor for managnig smart water pipe network | |
| CN217276322U (en) | Remote automatic transmission water meter for large caliber | |
| CN115219099A (en) | Intelligent pressure transmitter | |
| CN206376860U (en) | A kind of downhole electronic pressure bomb | |
| CN213599082U (en) | Natural gas line leakage detection device | |
| CN113833922A (en) | Pressure sensor convenient to be connected with pipeline | |
| CN210894329U (en) | Be applied to water pollution detection's environmental monitoring equipment | |
| CN109051624B (en) | Mining scraper conveyor broken chain monitoring signal acquisition processing system | |
| CN218002602U (en) | Water quality monitoring equipment for pipe well | |
| CN213120410U (en) | Pipeline wall thickness monitoring device | |
| CN217084058U (en) | Pressure gauge shell | |
| CN213301556U (en) | Industrial intelligent pressure cloud sensor | |
| CN215984717U (en) | Split water meter with water quantity alarm function | |
| CN216348874U (en) | Built-in electromagnetic water meter of pressure sensor | |
| CN216132633U (en) | Equipment with leak test interface | |
| CN219551558U (en) | Digital display sensor | |
| CN219319687U (en) | Liquid leakage monitoring device | |
| CN216283661U (en) | Mining drilling data acquisition unit | |
| CN218937433U (en) | Pipeline sensor | |
| CN218032682U (en) | Transmitter easy to disassemble | |
| CN217901078U (en) | Anticorrosive wear-resisting type pressure transmitter convenient to installation | |
| CN213599086U (en) | Natural gas line leakage detection device | |
| CN220104136U (en) | Pressure, temperature and flow detector in oil and gas pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |