CN210375549U - Plug-in steam pipeline valve internal leakage detection display instrument - Google Patents
Plug-in steam pipeline valve internal leakage detection display instrument Download PDFInfo
- Publication number
- CN210375549U CN210375549U CN201920664831.7U CN201920664831U CN210375549U CN 210375549 U CN210375549 U CN 210375549U CN 201920664831 U CN201920664831 U CN 201920664831U CN 210375549 U CN210375549 U CN 210375549U
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- plug
- thermocouple temperature
- led
- solar cell
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a leak in bayonet steam conduit valve detects display instrument belongs to large-scale electricity generation production chemical industry field. The utility model discloses in solar cell panel installs on the toughened glass shell, PLC programmable logic controller installs in the toughened glass shell, LED three-colour display lamp and RESET button all pass through the wire with solar cell panel and are connected, one end of a bayonet thermocouple temperature sensor and No. two bayonet thermocouple temperature sensor's one end all are connected with PLC programmable logic controller. Two bayonet thermocouple temperature sensor detect the fluid temperature in the pipeline around the valve respectively, and LED three-colour display lamp divide into red, yellow, green, corresponds different result display respectively, and the other manual RESET button that is provided with of LED three-colour display lamp, solar cell panel are used for providing the power for LED three-colour display lamp, RESET button, leak in this bayonet steam conduit valve and detect the display instrument and need not outer power supply, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a leak in bayonet steam conduit valve detects display instrument belongs to large-scale electricity generation production chemical industry field.
Background
At present, in the production of large-scale power generation or chemical enterprises, steam pipelines with primary and secondary drainage doors are arranged, and steam is flushed for a long time on valve cores and valve rods of valves due to frequent switching of the drainage valves, so that the abrasion of the valve cores and the valve rods is gradually caused, and the phenomenon of steam inner leakage and steam outer leakage is caused by the fact that the valves are not tightly closed after the equipment runs for a long time. The steam inner leakage phenomenon is that steam quality energy is directly discharged to recovery systems such as a condenser without being utilized, so that energy waste is caused, and the overall efficiency of equipment is reduced. Steam leaks out, namely the steam leaks out from the air exhaust port through a valve which is not tightly closed, and high-temperature and high-pressure steam easily causes safety accidents such as personnel scalding and equipment damage.
In normal safety production tour, the steam leakage phenomenon is obvious, can in time be discover and control, but can not carry out the early warning in advance. The interior hourglass phenomenon then very secretly, can only utilize artifical investigation mode, utilizes hand-held type temperature-detecting instrument to inspect the valve one by one, and is consuming time and having a lot of power, and efficiency is very low, because the complete equipment valve of enterprise is in large quantity, can't satisfy normal safety in production demand at all through artifical investigation mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a leak in bayonet steam conduit valve door and detect display instrument that structural design is reasonable.
The utility model provides a technical scheme that above-mentioned problem adopted is: this leak testing display appearance in bayonet steam conduit valve, its characterized in that: the system comprises a first plug-in thermocouple temperature sensor, a second plug-in thermocouple temperature sensor, a RESET key, a toughened glass shell, a PLC (programmable logic controller), a solar cell panel and an LED three-color display lamp; the solar cell panel is arranged on the toughened glass shell, the PLC is arranged in the toughened glass shell, the LED three-color display lamp and the RESET key are connected with the solar cell panel through leads, and one end of the first plug-in thermocouple temperature sensor and one end of the second plug-in thermocouple temperature sensor are connected with the PLC. Two bayonet thermocouple temperature sensor detect the fluid temperature in the pipeline around the valve respectively, and LED three-colour display lamp divide into red, yellow, green, corresponds different result display respectively, and the other manual RESET button that is provided with of LED three-colour display lamp, solar cell panel are used for providing the power for LED three-colour display lamp, RESET button, leak in this bayonet steam conduit valve and detect the display instrument and need not outer power supply, and is energy-concerving and environment-protective.
Furthermore, the other end of the first plug-in thermocouple temperature sensor and the other end of the second plug-in thermocouple temperature sensor are both connected with a pipeline, a valve is installed on the pipeline, and the other end of the first plug-in thermocouple temperature sensor and the other end of the second plug-in thermocouple temperature sensor are respectively located at two ends of the valve.
Further, the center of toughened glass shell is provided with square hollow out construction, solar cell panel installs on square hollow out construction.
Further, the solar cell panel is fixedly connected with the toughened glass shell through bonding.
Furthermore, the RESET key and the LED three-color display lamp are both arranged on the solar cell panel.
Further, the LED three-color display lamp comprises an LED red display lamp, an LED yellow display lamp and an LED green display lamp.
Further, the toughened glass shell comprises a lower shell body and an upper cover body, the lower shell body is connected with the upper cover body through a buckle, and the toughened glass shell is conveniently detached to modify an internal PLC or maintain equipment.
Further, be provided with square hollow out construction on the upper cover body, solar cell panel installs on square hollow out construction, PLC programmable logic controller passes through bonding fastening connection with lower casing.
Furthermore, the contact positions of the other end of the first plug-in thermocouple temperature sensor and the other end of the second plug-in thermocouple temperature sensor and the pipeline are sealed in a welding mode, and steam is prevented from leaking outwards.
Furthermore, signals of the first plug-in thermocouple temperature sensor and the second plug-in thermocouple temperature sensor are connected into a PLC programmable logic controller.
Further, the use preset condition of the plug-in steam pipeline valve internal leakage detection display instrument is that the detected valve is in a closed position.
Further, the function operation of the plug-in steam pipeline valve internal leakage detection display instrument is as follows:
the two plug-in thermocouple temperature sensors transmit the measured fluid temperature to the PLC, the PLC judges the received temperature data, and if the data is judged to be abnormal, the PLC immediately triggers the LED yellow display lamp to flicker at low frequency for prompting (the color lamp flicker at low frequency is also suitable for fault reporting of the detection equipment).
And after the PLC judges that the data is normal, the PLC triggers the LED three-color lamp to display the corresponding color according to the operation result.
Compared with the prior art, the utility model has the advantages of it is following: 1) the solar panel is used for supplying power, so that the energy is saved, the environment is protected, and the operation is reliable; 2) the occupied space is small, and the complete equipment of the valves of the equipment system is facilitated; 3) the LED three-color display is visual and obvious, and can help personnel to judge the system valves in batches at the same time without independent detection; 4) the PLC judges the numerical value and can be set and modified by the user according to the actual running condition of the equipment, and the applicability is strong.
Drawings
Fig. 1 is a schematic structural view of an internal leakage detection display instrument for a plug-in steam pipeline valve according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the internal leakage detection display instrument of the plug-in steam pipeline valve of the embodiment of the present invention.
In the figure: the system comprises a first-plug type thermocouple temperature sensor 1, a second-plug type thermocouple temperature sensor 2, an LED red display lamp 3, an LED yellow display lamp 4, an LED green display lamp 5, a RESET key 6, a buckle 7, a PLC (programmable logic controller) 8, a solar cell panel 9, an LED three-color display lamp 10, a toughened glass shell 11, a pipeline 12 and a valve 13.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 2, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if the terms such as "upper", "lower", "left", "right", "middle" and "one" are used, they are not intended to limit the scope of the present invention, but to limit the relative relationship between the terms and the terms, and the scope of the present invention is not to be considered as the scope of the present invention.
The leak detection display instrument in bayonet steam conduit valve in this embodiment includes bayonet thermocouple temperature sensor 1, No. two bayonet thermocouple temperature sensor 2, RESET button 6, toughened glass shell 11, PLC programmable logic controller 8, solar cell panel 9 and LED three-colour display lamp 10, and LED three-colour display lamp 10 includes LED red display lamp 3, LED yellow display lamp 4 and LED green display lamp 5. The solar cell panel 9 provides electric energy for the LED red display lamp 3, the LED yellow display lamp 4, the LED green display lamp 5 and the RESET key 6, and charging is achieved through light energy, so that energy is saved, environment is protected, and charging equipment such as a battery is not needed.
In this embodiment, one end of the first plug-in thermocouple temperature sensor 1 and one end of the second plug-in thermocouple temperature sensor 2 are both connected to the PLC 8, the other end of the first plug-in thermocouple temperature sensor 1 and the other end of the second plug-in thermocouple temperature sensor 2 are both connected to the pipeline 12, the pipeline 12 is provided with a valve 13, and the other end of the first plug-in thermocouple temperature sensor 1 and the other end of the second plug-in thermocouple temperature sensor 2 are respectively located at both ends of the valve 13.
That is to say, the signals of the first inserted thermocouple temperature sensor 1 and the second inserted thermocouple temperature sensor 2 are connected to the PLC programmable logic controller 8, and the contact positions of the other end of the first inserted thermocouple temperature sensor 1 and the other end of the second inserted thermocouple temperature sensor 2 with the pipeline 12 are sealed in a welding mode, so that steam leakage is prevented, and the requirements are stable and reliable.
Toughened glass shell 11 in this embodiment includes casing and last lid down, and lower casing passes through buckle 7 with last lid to be connected, conveniently dismantles toughened glass shell 11 and carries out the modification of inside PLC programmable logic controller 8 or equipment maintenance, goes up to be provided with square hollow out construction on the lid, and solar cell panel 9 installs on square hollow out construction, and PLC programmable logic controller 8 passes through bonding fastening connection with lower casing.
PLC programmable logic controller 8 in this embodiment is by 11 cladding of toughened glass shell, toughened glass shell 11 takes buckle 7, buckle 7 is in the closed position when hourglass detection display appearance is commissioned in the bayonet steam conduit valve, prevent all ring edge borders moisture, invasion such as dust, thereby disturb PLC programmable logic controller 8 operation or cause the equipment damage, leak in the bayonet steam conduit valve and detect when display appearance carries out PLC numerical value modification or equipment maintenance, open buckle 7 of toughened glass shell 11, simple and convenient easy operation.
In this embodiment, the first plug-in thermocouple temperature sensor 1 and the second plug-in thermocouple temperature sensor 2 transmit the measured fluid temperature to the PLC 8, and the PLC 8 first calls a built-in thermodynamic steam state parameter function to screen and rationalize the temperature data received by transmission, and immediately triggers the LED yellow display lamp 4 to flash at a low frequency to prompt if it is determined that the data is abnormal (this color lamp flashing at a low frequency is also suitable for fault reporting of the detection device itself).
After the low-frequency flicker is 600 seconds, the PLC programmable logic controller 8 automatically triggers a RESET function to prepare to receive the next data again or automatically repair the fault of the equipment, the whole process does not need manual intervention, the RESET button 6 can be manually and directly pressed to RESET when the low-frequency flicker is less than 600 seconds, the PLC programmable logic controller 8 judges that the data is normal and effective, the temperature data is subjected to difference operation, the preset value range interval is compared according to the operation result, whether the valve has a valve core and valve rod abrasion field is further judged, and the corresponding colors are displayed according to the severity LED red display lamp 3, the LED yellow display lamp 4 and the LED green display lamp 5.
The LED red display lamp 3, the LED yellow display lamp 4, and the LED green display lamp 5 in this embodiment are displayed from light to heavy according to the severity of the inner leakage of the valve 13 as follows: the LED green display lamp 5 is long and bright, and does not flicker (the state of the valve 13 is good, the numerical value is more than or equal to 80) → the LED green display lamp 5 flickers at low frequency (the state of the valve 13 is good, the abrasion is suspected, the numerical value is more than or equal to 50 and less than 80) → the LED red display lamp 3 flickers at low frequency (the valve 13 is slightly abraded and accompanied by an inner leakage phenomenon, the numerical value is more than or equal to 20 and less than 50) → the LED red display lamp 3 flickers at high frequency (the valve 13 is seriously abraded and accompanied by an obvious inner leakage, the numerical value is less than 20), the numerical value can be modified by.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a leak in bayonet steam conduit valve detects display instrument which characterized in that: the device comprises a first-plug-type thermocouple temperature sensor (1), a second-plug-type thermocouple temperature sensor (2), a RESET key (6), a toughened glass shell (11), a PLC (programmable logic controller) (8), a solar cell panel (9) and an LED three-color display lamp (10); the solar cell panel (9) is installed on the tempered glass shell (11), the PLC (programmable logic controller) (8) is installed in the tempered glass shell (11), the LED three-color display lamp (10) and the RESET key (6) are connected with the solar cell panel (9) through wires, and one end of the first plug-in thermocouple temperature sensor (1) and one end of the second plug-in thermocouple temperature sensor (2) are connected with the PLC (programmable logic controller) (8).
2. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: the other end of a first plug-in thermocouple temperature sensor (1) and the other end of a second plug-in thermocouple temperature sensor (2) are connected with a pipeline (12), a valve (13) is installed on the pipeline (12), and the other end of the first plug-in thermocouple temperature sensor (1) and the other end of the second plug-in thermocouple temperature sensor (2) are respectively located at two ends of the valve (13).
3. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: the center of the toughened glass shell (11) is provided with a square hollow structure, and the solar cell panel (9) is installed on the square hollow structure.
4. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: the solar cell panel (9) is fixedly connected with the toughened glass shell (11) through bonding.
5. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: the RESET key (6) and the LED three-color display lamp (10) are both arranged on the solar cell panel (9).
6. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: the LED three-color display lamp (10) comprises an LED red display lamp (3), an LED yellow display lamp (4) and an LED green display lamp (5).
7. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: toughened glass shell (11) are including casing and last lid down, the casing passes through buckle (7) with last lid and is connected down, conveniently dismantles toughened glass shell (11) and carries out modification or equipment maintenance of inside PLC programmable logic controller (8).
8. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 7, wherein: the solar cell panel is characterized in that a square hollow structure is arranged on the upper cover body, the solar cell panel (9) is installed on the square hollow structure, and the PLC (programmable logic controller) (8) is fixedly connected with the lower cover body through bonding.
9. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 2, characterized in that: the other end of the first plug-in thermocouple temperature sensor (1) and the other end of the second plug-in thermocouple temperature sensor (2) are both sealed with the pipeline (12) in a welding mode, and steam is prevented from leaking outside.
10. The insertion type steam pipeline valve internal leakage detection display instrument according to claim 1, characterized in that: signals of the first plug-in thermocouple temperature sensor (1) and the second plug-in thermocouple temperature sensor (2) are connected into a PLC (programmable logic controller) (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664831.7U CN210375549U (en) | 2019-05-10 | 2019-05-10 | Plug-in steam pipeline valve internal leakage detection display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664831.7U CN210375549U (en) | 2019-05-10 | 2019-05-10 | Plug-in steam pipeline valve internal leakage detection display instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210375549U true CN210375549U (en) | 2020-04-21 |
Family
ID=70259981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920664831.7U Active CN210375549U (en) | 2019-05-10 | 2019-05-10 | Plug-in steam pipeline valve internal leakage detection display instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210375549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280983A (en) * | 2021-04-21 | 2021-08-20 | 浙江工业大学 | On-line diagnosis method for internal leakage of pneumatic regulating valve |
-
2019
- 2019-05-10 CN CN201920664831.7U patent/CN210375549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280983A (en) * | 2021-04-21 | 2021-08-20 | 浙江工业大学 | On-line diagnosis method for internal leakage of pneumatic regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110454686A (en) | A kind of kitchen combustible gas leak alarm detection system | |
| CN205449393U (en) | LED lamps and lanterns gas tightness detection device | |
| CN105627086A (en) | Automatic on-line gas supplement unit for SF6 electrical equipment | |
| CN202972542U (en) | Indoor gas safe system | |
| CN210375549U (en) | Plug-in steam pipeline valve internal leakage detection display instrument | |
| CN111006136A (en) | Gas leakage detection method of gas equipment and gas equipment | |
| CN204692700U (en) | Angle valve on-off control system and angle valve | |
| CN210346794U (en) | Gas meter capable of automatically detecting and alarming | |
| CN209709524U (en) | A kind of box-type substation with automatic fire-extinguishing function | |
| CN108709733B (en) | Solenoid valve stroke and gas tightness detection device | |
| CN103472067A (en) | Visual detection tool for cable holes | |
| CN106054826A (en) | Intelligent community natural gas safety monitoring system | |
| CN205486676U (en) | Gas leak testing system | |
| CN211669192U (en) | Indoor quality of water metal monitoring devices that uses | |
| CN212817775U (en) | Automatic explosion suppression device for calcium carbide furnace production workshop | |
| CN211375733U (en) | Hydrogen leakage detection terminal and system easy to install | |
| CN213208695U (en) | Kiln system for monitoring pipeline tightness in real time | |
| CN203405421U (en) | Visible inspecting tool for cable hole | |
| CN212256549U (en) | Self-checking leakage device for civil gas | |
| CN207115691U (en) | City integrated piping lane intelligent monitor system | |
| CN210920977U (en) | Gas and carbon monoxide leakage monitoring and protecting device | |
| CN213361214U (en) | Multifunctional intelligent safety valve system for gas pipeline | |
| CN110411680A (en) | A kind of liquid injection and pressure-detecting device for closed liquid cooling system | |
| CN219017079U (en) | Household combustible gas detector | |
| CN211600802U (en) | Gas leakage protection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |