CN116183059A - Power plant water outlet temperature monitoring and early warning device and method - Google Patents
Power plant water outlet temperature monitoring and early warning device and method Download PDFInfo
- Publication number
- CN116183059A CN116183059A CN202310140075.9A CN202310140075A CN116183059A CN 116183059 A CN116183059 A CN 116183059A CN 202310140075 A CN202310140075 A CN 202310140075A CN 116183059 A CN116183059 A CN 116183059A
- Authority
- CN
- China
- Prior art keywords
- rod
- temperature detection
- pipe orifice
- temperature
- power plant
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 82
- 230000007306 turnover Effects 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a power plant water outlet temperature monitoring and early warning device and a method, wherein the power plant water outlet temperature monitoring and early warning device comprises a fixing piece and a monitoring assembly; the monitoring assembly is provided with a box body, a driving piece, a turnover rod, a temperature detection rod and an alarm, wherein the driving piece, the turnover rod and the temperature detection rod are arranged in the box body. Through the arrangement of the structure, the detector can be fixed at the outer wall of the drain pipe orifice, then when the temperature detection is needed, the detector rod is made to go deep into the position close to the water outlet, and when the detection temperature is not needed, the detector rod is made to move to the outer side of the drain pipe orifice, so that the detector rod can be protected, repeated measurement can be realized, that is, reciprocating motion is formed, and the detector rod can complete detection action at intervals.
Description
Technical Field
The invention relates to a power plant water outlet temperature monitoring and early warning device and a method, in particular to a technology which is convenient for monitoring the temperature of a water outlet pipe opening at intervals and avoiding the damage of a probe.
Background
In the production of power plants, it is often necessary to drain large amounts of water, which typically needs to be subjected to special treatments, or else too high or too low temperatures are liable to have an influence on the surrounding natural environment. Therefore, it is very common and interesting to perform temperature detection at the power plant outlet.
In the temperature detection in the prior art, the detected detector is usually arranged at a position which is a certain distance from the water outlet, but a fixed temperature detector cannot be arranged at a position which is close to the water outlet, or the temperature detector arranged at the position is often insufficient in stability and is easily damaged by huge water flow impact, and moreover, if the temperature detector is arranged at the underwater position of the water outlet for a long time, the detector is easily damaged. Moreover, in the prior art, the detection of the temperature of the drain pipe orifice often has unreasonable problems, and the functions of rapid detection and self-protection cannot be realized, so that further improvement is needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a technology for conveniently monitoring the position of a drain pipe orifice in real time and in a protective manner.
The invention provides a power plant water outlet temperature monitoring and early warning device, which comprises a fixing piece and a monitoring component;
the fixing piece is used for being fixed on the outer wall of a pipe orifice of a power plant drain pipe;
the monitoring assembly is provided with a box body, a driving piece, a turnover rod, a temperature detection rod and an alarm, wherein the driving piece, the turnover rod and the temperature detection rod are arranged in the box body, the driving piece is arranged at one end of the turnover rod, the driving piece is used for driving one side of the turnover rod to conduct lifting movement, the middle part of the turnover rod is hinged to a supporting site, the turnover rod is connected to the inner wall of the box body through a reset spring, the other side of the turnover rod is hinged to the temperature detection rod, the temperature detection rod penetrates through the lower side wall of the box body, the temperature detection rod is used for extending into a pipe orifice of a power plant drain pipe to conduct temperature monitoring, and the temperature detected by the temperature detection rod is transmitted to the alarm, and the alarm is located on the upper side wall of the box body.
The beneficial effect of above-mentioned scheme is: through the arrangement of the structure, the detector can be fixed at the outer wall of the drain pipe orifice, then when the temperature detection is needed, the detector rod is made to go deep into the position close to the water outlet, and when the detection temperature is not needed, the detector rod is made to move to the outer side of the drain pipe orifice, so that the detector rod can be protected, repeated measurement can be realized, that is, reciprocating motion is formed, and the detector rod can complete detection action at intervals.
Preferably, the driving piece comprises a driving motor and a driving cam which are connected, a U-shaped installation body is arranged in the box body, a supporting site of the turning rod is arranged on the U-shaped installation body, and a protruding part at one end of the turning rod is matched with the driving cam;
the temperature detection rod is hinged to the turning rod through a linkage crank, and the temperature detection rod movably penetrates through a guide hole of the guide column;
the fixing piece comprises a fixing bolt and a clamping plate, the clamping plate is clamped and fixed on the outer wall of the pipe orifice, and the bolt penetrates through the clamping plate and the outer wall of the pipe orifice to be fixed.
The beneficial effect of above-mentioned scheme is: the tilting action of the tilting lever is realized by the contact of the protruding part of the driving cam and one side of the tilting lever, thereby realizing the detection action of the detection lever at the other end. In addition, the fixing member may be other existing structures, such as a clip, and the fixing member is directly fastened to the outer wall of the nozzle by the clip, or other existing fixing methods are adopted, which will not be described herein.
Preferably, the adjusting assembly is arranged on the turning rod and is provided with an adjusting motor, an adjusting screw rod and a moving block, the adjusting motor is connected with the adjusting screw rod, the moving block is movably arranged on the adjusting screw rod and is positioned in the limiting frame, the moving block is embedded in the limiting frame, and the moving block is hinged to the end portion of the linkage crank.
The detection depth of the detection rod is adjusted through the adjusting function, namely the detection rod can detect the water flow more easily according to the flow of the water, namely the flow of the water at the pipe orifice.
Preferably, the mounting is including extending arc track, adjustment motor, drive gear and arc pinion rack, adjustment motor with drive gear connects, drive gear meshing is connected the arc pinion rack, the bottom slidable of arc pinion rack sets up in the arc track, one side of arc pinion rack is connected the box.
Through this kind of structure makes the gauge stick can remove along circumference direction, makes the survey position more accurate like this to can make the gauge stick to different high positions, when the flow of mouth of pipe is less, the outflow at this time concentrates on downside position, and can make the gauge stick remove to the position that is close to the well lower part of mouth of pipe and accomplish the survey smoothly through the adjustment.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the fixing piece is arranged and fixed on the outer wall of a pipe orifice of a power plant drain pipe; discharging power plant water through a pipe orifice of a power plant drain pipe;
when the temperature of water discharged from the pipe orifice is required to be detected, the driving piece provides power to enable the overturning rod to overturn around the supporting site, so that the temperature detecting rod is driven to move from the outer side position to the inner side position of the pipe orifice, and finally the water flowing out of the pipe orifice is touched to finish the temperature detection; when the temperature detection is not needed, the driving piece provides power to keep the temperature detection rod at the outer side of the pipe orifice.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the driving motor provides power to enable the driving cam to move, when the protruding part of the driving cam is in contact with the overturning rod, the overturning rod overturns around the supporting site of the U-shaped installation body, so that the other end of the overturning rod moves towards the inner side of the pipe orifice, and the temperature detecting rod moves towards the inner side of the pipe orifice along the guide hole of the guide post; when the protruding part does not contact the turnover rod, the turnover rod moves reversely through the reset spring, namely, the other end of the turnover rod drives the temperature detection rod to move outwards from the guide hole.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps: the detection depth of the temperature detection rod of the turnover rod is adjusted through the adjusting component, the adjusting screw rod is enabled to move through the adjusting motor, and therefore the moving block moves along the axial direction of the adjusting screw rod and the limiting frame body, the temperature detection rod is far away from the supporting site or is close to the supporting site, the detection depth of the temperature detection rod at the pipe orifice is prolonged after the temperature detection rod is far away from the supporting site, and the detection depth of the temperature detection rod at the pipe orifice is reduced after the temperature detection rod is close to the supporting site.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the driving gear is rotated by adjusting the motor to provide power, so that the arc toothed plate moves along the extending arc track, and the extending arc track drives the box body and the temperature detector to perform position adjustment movement along the periphery of the pipe orifice, so that the temperature detector can finish temperature detection at different circumferential positions of the pipe orifice.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a power plant outlet temperature monitoring and early warning device of the invention.
FIG. 2 is a schematic diagram of a three-dimensional structure of a power plant water outlet temperature monitoring and early warning device;
FIG. 3 is a schematic perspective view of a power plant outlet temperature monitoring and warning device with one side wall of the box removed;
FIG. 4 is a schematic perspective view of a second, third and fourth embodiment of a power plant outlet temperature monitoring and warning device according to the present invention;
fig. 5 is a schematic perspective view of a side wall of a box body of a second, third and fourth embodiments of a power plant water outlet temperature monitoring and early warning device according to the present invention.
Description of the reference numerals
1. An outer wall of the pipe orifice; 10. a fixing member; 20. a monitoring component; 21. a case; 23. turning over the rod; 24. a temperature detecting rod; 26. a driving member; 270. a driving cam; 29. a return spring; 30. a U-shaped mounting body; 31. a boss; 32. a fixing part; 11. a bolt; 12. an arc-shaped track; 13. adjusting a motor; 15. a drive gear; 16. arc toothed plates; 17. clamping the clamping plate; 33. a guide post; 34. a linkage crank; 40. an adjustment assembly; 41. adjusting a motor; 42. adjusting a screw rod; 43. a moving block; 44. and a limiting frame body.
Detailed Description
First embodiment:
as shown in fig. 1 to 3, the present invention provides a power plant water outlet temperature monitoring and early warning device, which comprises a fixing piece 10 and a monitoring component 20;
the fixing piece 10 is used for being fixed on the pipe orifice outer wall 1 of the power plant drain pipe;
the monitoring assembly 20 is provided with a box 21, a driving piece 26, a turnover rod 23, a temperature detection rod 24 and an alarm (not shown), wherein the driving piece 26, the turnover rod 23 and the temperature detection rod 24 are arranged in the box 21, the driving piece 26 is arranged at one end of the turnover rod 23, the driving piece 26 is used for driving one side of the turnover rod 23 to conduct lifting movement, the middle part of the turnover rod 23 is hinged to a supporting site, the turnover rod 23 is connected to the inner wall of the box 21 through a reset spring 29, the other side of the turnover rod 23 is hinged to the temperature detection rod 24, the temperature detection rod 24 penetrates through the lower side wall of the box 21, the temperature detection rod 24 is used for being stretched into a pipe orifice 1 of a water drain pipe of a power plant to conduct temperature monitoring, the temperature detected by the temperature detection rod 24 is transmitted to the alarm, and the alarm is located on the upper side wall of the box 21.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the fixing piece 10 is arranged and fixed on the pipe orifice outer wall 1 of the power plant drain pipe; discharging power plant water through a pipe orifice 1 of a power plant drain pipe;
when the temperature of the water discharged from the pipe orifice 1 needs to be detected, the driving piece 26 provides power to enable the turnover rod 23 to perform turnover motion around the supporting site, so that the temperature detection rod 24 is driven to move from the outer side position to the inner side position of the pipe orifice, and finally the water flowing out of the pipe orifice is touched to finish the temperature detection; when temperature sensing is not required, power is provided by the drive member 26 to maintain the temperature sensing lever 24 in a position outboard of the nozzle.
Second embodiment:
as shown in fig. 1 to 5, the driving member 26 includes a driving motor (not shown) and a driving cam 270 connected, the box 21 has a U-shaped mounting body 30 therein, a supporting point of the turnover rod 23 is disposed on the U-shaped mounting body 30, and a protrusion 31 at one end of the turnover rod 23 is engaged with the driving cam 270;
a fixing part 32 is arranged in the box body 21, a guide post 33 is arranged on the fixing part 32, the temperature detection rod 24 is hinged on the turnover rod 23 through a linkage crank 34, and the temperature detection rod 24 movably passes through a guide hole of the guide post 33;
the fixing piece 10 comprises a fixing bolt 11 and a clamping and clamping plate 17, the clamping and clamping plate 17 is clamped and clamped on the outer wall 1 of the pipe orifice, and the bolt 11 penetrates through the clamping and clamping plate 17 and the outer wall 1 of the pipe orifice to be fixed.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the driving motor provides power to enable the driving cam 270 to move, when the protruding part of the driving cam 270 is in contact with the overturning rod 23, the overturning rod 23 overturns around the supporting site of the U-shaped installation body 30, so that the other end of the overturning rod 23 moves towards the inner side of the pipe orifice 1, and the temperature detecting rod 24 moves towards the inner side of the pipe orifice along the guide hole 330 of the guide post 33; when the protrusion does not contact the turnover rod 23, the turnover rod 23 is reversely moved by the return spring 29, that is, the other end of the turnover rod 23 drives the temperature detecting rod 24 to move outwards from the inside of the guide hole 330.
Third embodiment:
as shown in fig. 1 to 5, the turnover rod 23 is provided with an adjusting assembly 40, the adjusting assembly 40 is provided with an adjusting motor 41, an adjusting screw 42 and a moving block 43, the adjusting motor 41 is connected with the adjusting screw 42, the moving block 43 is movably arranged on the adjusting screw 42, the adjusting screw 42 is located in a limiting frame 44, the moving block 43 is embedded in the limiting frame 44, and the moving block 43 is hinged at the end of the linkage crank 34.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps: the detection depth of the temperature detection rod 24 of the turnover rod 23 is adjusted by the adjusting assembly 40, the adjusting screw rod 42 is moved by the adjusting motor 41, and the moving block 43 moves along the axial direction of the adjusting screw rod 42 and the limiting frame 44, so that the temperature detection rod 24 is far away from the supporting site or near the supporting site, the detection depth of the temperature detection rod 24 at the pipe orifice is prolonged after the temperature detection rod is far away from the supporting site, and the detection depth of the temperature detection rod 24 at the pipe orifice is reduced after the temperature detection rod is near the supporting site.
Fourth embodiment:
as shown in fig. 1 to 5, the fixing member 10 includes an extended arc track 12, an adjusting motor 13, a driving gear 15 and an arc toothed plate 16, the adjusting motor 13 is connected with the driving gear 15, the driving gear 15 is in meshed connection with the arc toothed plate 16, the bottom of the arc toothed plate 16 is slidably disposed in the arc track 12, and one side of the arc toothed plate 16 is connected with the box 21.
The invention provides an application method of a power plant water outlet temperature monitoring and early warning device, which comprises the following steps:
the driving gear 15 is rotated by adjusting the power provided by the motor 13, so that the arc toothed plate 16 moves along the extending arc-shaped track 12, and the extending arc-shaped track 12 drives the box body 21 and the temperature detector to perform position adjustment movement along the periphery of the pipe orifice, so that the temperature detection rod can complete temperature detection at different circumferential positions of the pipe orifice.
Claims (8)
1. A power plant outlet temperature monitoring and warning device, which is characterized by comprising:
the fixing piece is used for being fixed on the outer wall of a pipe orifice of a power plant drain pipe;
the monitoring assembly is provided with a box body, a driving piece, a turnover rod, a temperature detection rod and an alarm, wherein the driving piece, the turnover rod and the temperature detection rod are arranged in the box body, the driving piece is arranged at one end of the turnover rod, the driving piece is used for driving one side of the turnover rod to conduct lifting movement, the middle part of the turnover rod is hinged to a supporting site, the turnover rod is connected to the inner wall of the box body through a reset spring, the other side of the turnover rod is hinged to the temperature detection rod, the temperature detection rod penetrates through the lower side wall of the box body, the temperature detection rod is used for extending into a pipe orifice of a power plant drain pipe to conduct temperature monitoring, and the temperature detected by the temperature detection rod is transmitted to the alarm, and the alarm is located on the upper side wall of the box body.
2. The power plant water outlet temperature monitoring and early warning device according to claim 1, wherein the driving piece comprises a driving motor and a driving cam which are connected, a U-shaped installation body is arranged in the box body, a supporting site of the turning rod is arranged on the U-shaped installation body, and a protruding part at one end of the turning rod is matched with the driving cam;
the temperature detection rod is hinged to the turning rod through a linkage crank, and the temperature detection rod movably penetrates through a guide hole of the guide column;
the fixing piece comprises a fixing bolt and a clamping plate, the clamping plate is clamped and fixed on the outer wall of the pipe orifice, and the bolt penetrates through the clamping plate and the outer wall of the pipe orifice to be fixed.
3. The power plant water outlet temperature monitoring and early warning device according to claim 1, wherein an adjusting assembly is arranged on the turning rod and is provided with an adjusting motor, an adjusting screw rod and a moving block, the adjusting motor is connected with the adjusting screw rod, the moving block is movably arranged on the adjusting screw rod, the adjusting screw rod is located in a limiting frame, the moving block is embedded in the limiting frame, and the moving block is hinged to the end portion of the linkage crank.
4. The utility model relates to a power plant outlet temperature monitoring precaution device as claimed in claim 1, wherein, the mounting is including extending arc track, adjustment motor, drive gear and arc pinion rack, adjustment motor with drive gear connects, drive gear meshing is connected the arc pinion rack, the bottom of arc pinion rack slidably sets up in the arc track, one side of arc pinion rack is connected the box.
5. The method of claim 1, comprising the steps of:
the fixing piece is arranged and fixed on the outer wall of a pipe orifice of a power plant drain pipe; discharging power plant water through a pipe orifice of a power plant drain pipe;
when the temperature of water discharged from the pipe orifice is required to be detected, the driving piece provides power to enable the overturning rod to overturn around the supporting site, so that the temperature detecting rod is driven to move from the outer side position to the inner side position of the pipe orifice, and finally the water flowing out of the pipe orifice is touched to finish the temperature detection; when the temperature detection is not needed, the driving piece provides power to keep the temperature detection rod at the outer side of the pipe orifice.
6. The method of claim 5, comprising the steps of:
the driving motor provides power to enable the driving cam to move, when the protruding part of the driving cam is in contact with the overturning rod, the overturning rod overturns around the supporting site of the U-shaped installation body, so that the other end of the overturning rod moves towards the inner side of the pipe orifice, and the temperature detecting rod moves towards the inner side of the pipe orifice along the guide hole of the guide post; when the protruding part does not contact the turnover rod, the turnover rod moves reversely through the reset spring, namely, the other end of the turnover rod drives the temperature detection rod to move outwards from the guide hole.
7. The method of claim 5, comprising the steps of: the detection depth of the temperature detection rod of the turnover rod is adjusted through the adjusting component, the adjusting screw rod is enabled to move through the adjusting motor, and therefore the moving block moves along the axial direction of the adjusting screw rod and the limiting frame body, the temperature detection rod is far away from the supporting site or is close to the supporting site, the detection depth of the temperature detection rod at the pipe orifice is prolonged after the temperature detection rod is far away from the supporting site, and the detection depth of the temperature detection rod at the pipe orifice is reduced after the temperature detection rod is close to the supporting site.
8. The method of claim 5, comprising the steps of:
the driving gear is rotated by adjusting the motor to provide power, so that the arc toothed plate moves along the extending arc track, and the extending arc track drives the box body and the temperature detector to perform position adjustment movement along the periphery of the pipe orifice, so that the temperature detector can finish temperature detection at different circumferential positions of the pipe orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140075.9A CN116183059A (en) | 2023-02-16 | 2023-02-16 | Power plant water outlet temperature monitoring and early warning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140075.9A CN116183059A (en) | 2023-02-16 | 2023-02-16 | Power plant water outlet temperature monitoring and early warning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116183059A true CN116183059A (en) | 2023-05-30 |
Family
ID=86437924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310140075.9A Pending CN116183059A (en) | 2023-02-16 | 2023-02-16 | Power plant water outlet temperature monitoring and early warning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116183059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092312A (en) * | 2023-10-20 | 2023-11-21 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Quick detection and analysis device with supporting structure for water outlet |
-
2023
- 2023-02-16 CN CN202310140075.9A patent/CN116183059A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092312A (en) * | 2023-10-20 | 2023-11-21 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Quick detection and analysis device with supporting structure for water outlet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116183059A (en) | Power plant water outlet temperature monitoring and early warning device and method | |
| CN112013913A (en) | Liquid flow measuring device | |
| CN208460161U (en) | A kind of intelligent gas leakage-prevention warning device | |
| CA2464497A1 (en) | Apparatus for measuring piston travel | |
| US5515025A (en) | Water level sensor, trailer using same and method of using trailer | |
| CN209624572U (en) | A kind of water quality detection probe protective device | |
| CN111977601A (en) | Liquid remote quantitative loading system | |
| CN216645452U (en) | Intelligent underground pipeline detection device | |
| CN214040247U (en) | Novel hydraulic engineering monitoring is supplementary device | |
| CN213516100U (en) | Temperature sensor with protection device at front end | |
| CN110296676B (en) | Remote control ship for accurately detecting underwater elevation of river channel | |
| CN221234003U (en) | Buoy type water quality monitoring device | |
| CN109341503B (en) | Application method of device for accurately measuring dead center of crankshaft of diesel engine | |
| CN220982391U (en) | Foundation pit water level monitoring device based on floating plate sliding measurement foundation pit water level | |
| CN214702506U (en) | Vibration measuring device for warship and ship magazine | |
| CN114414757B (en) | Device for detecting concentration of dissolved oxygen in water | |
| CN220525793U (en) | Seawater quality monitoring probe | |
| CN111102970A (en) | Lifting invisible observation pier | |
| CN217117154U (en) | Farmland water level control device | |
| CN213874815U (en) | Bearing seal airtightness inspection device | |
| CN216131756U (en) | Liquefied natural gas liquid level automatic control device | |
| CN221118458U (en) | Engineering geology reconnaissance submarine weak soil measuring device | |
| CN219641046U (en) | Laser oil level monitoring device | |
| CN116539725A (en) | Nondestructive detector for curved surface concrete product | |
| CN220851319U (en) | Strong convection weather early warning detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |