CN111879507A - Setting pressure detection device, method and system of safety valve - Google Patents
Setting pressure detection device, method and system of safety valve Download PDFInfo
- Publication number
- CN111879507A CN111879507A CN202010769515.3A CN202010769515A CN111879507A CN 111879507 A CN111879507 A CN 111879507A CN 202010769515 A CN202010769515 A CN 202010769515A CN 111879507 A CN111879507 A CN 111879507A
- Authority
- CN
- China
- Prior art keywords
- safety valve
- control device
- valve
- pressure detection
- laser sensor
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention provides a setting pressure detection device, a setting pressure detection method and a setting pressure detection system of a safety valve, wherein the setting pressure detection device, the setting pressure detection method and the setting pressure detection system comprise the following steps: the diffuse reflection laser sensor is used for emitting laser rays to the shading backboard; the pressure control device is used for supplying gas into the safety valve through the electromagnetic valve, detecting the gas supply pressure value in the safety valve in real time, enabling the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor to generate a shielding reflection signal; the sound and light alarm device gives an alarm according to the shielding reflection signal; the electromagnetic valve cuts off the supply gas in the pipeline leading the pressure control device to the safety valve according to the shielding reflection signal, so that the gas supply pressure value detected by the pressure control device is used as the setting pressure detection value of the safety valve, the supply gas is filled into the safety valve through the pressure control device, the displacement change of the safety valve is caused, the gas supply pressure value when the safety valve jumps is recorded, and the accuracy and the safety of the setting pressure detection value of the safety valve are improved.
Description
Technical Field
The invention relates to the technical field of pressure detection, in particular to a setting pressure detection device, a setting pressure detection method and a setting pressure detection system of a safety valve.
Background
The setting pressure of the safety valve refers to the preset pressure for starting opening of the safety valve under the operation condition, and is the gauge pressure measured at the valve inlet, so the setting pressure of the safety valve is one of important technical indexes of the safety valve, and whether the setting pressure of the safety valve is accurate or not determines the safety of pressure-bearing special equipment, wherein the pressure-bearing special equipment comprises a compressed air storage tank, a gas pipeline, a steam pipeline and the like.
Currently, a pressure curve inflection point method or an acoustic method is adopted to judge the setting pressure of the safety valve. The pressure inflection point method requires equipment to detect, which is expensive and costly. After the detection is finished through the devices, an inflection point is determined according to the obtained pressure curve, and then the setting pressure of the safety valve is determined according to the inflection point. Whether the setting pressure of the safety valve is determined according to the inflection point or the setting pressure of the safety valve is determined according to the sound hearing method, manual judgment is needed, and therefore the result is inaccurate.
Disclosure of Invention
In view of the above, the present invention provides a device, a method, and a system for detecting a set pressure of a safety valve, in which a pressure control device charges a supply gas into the safety valve to cause a displacement change of the safety valve, so as to record a supply pressure value when the safety valve jumps, thereby improving the accuracy and safety of a set pressure detection value of the safety valve.
In a first aspect, an embodiment of the present invention provides a setting pressure detection apparatus for a safety valve, where the apparatus includes: the device comprises a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an audible and visual alarm device;
the diffuse reflection laser sensor is respectively connected with the sound-light alarm device and the electromagnetic valve, and the safety valve, the electromagnetic valve and the pressure control device are sequentially connected;
the diffuse reflection laser sensor is used for emitting laser rays to the shading backboard;
the pressure control device is used for supplying gas into the safety valve through the electromagnetic valve, detecting the gas supply pressure value in the safety valve in real time, enabling the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor to generate a shielding reflection signal;
the sound and light alarm device is used for giving an alarm according to the shielding reflection signal;
the electromagnetic valve is used for cutting off the supply gas in a pipeline leading from the pressure control device to the safety valve according to the shielding reflection signal, so that the supply gas pressure value detected by the pressure control device is used as a setting pressure detection value of the safety valve.
Furthermore, the diffuse reflection laser sensor is respectively connected with the sound and light alarm device and the electromagnetic valve through wired cables, and the safety valve, the electromagnetic valve and the pressure control device are sequentially connected through the pipeline.
In a second aspect, an embodiment of the present invention provides a method for detecting a set pressure of a safety valve, which is applied to a set pressure detection device of a safety valve as described above, where the set pressure detection device of a safety valve includes a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device, and an acousto-optic alarm device, and the method includes:
the diffuse reflection laser sensor emits laser rays to the shading backboard;
the pressure control device supplies gas into the safety valve through the electromagnetic valve, detects the gas supply pressure value in the safety valve in real time, enables the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggers the diffuse reflection laser sensor to generate a shielding reflection signal;
the sound and light alarm device gives an alarm according to the shielding reflection signal;
the electromagnetic valve cuts off the supply gas in a pipeline leading from the pressure control device to the safety valve according to the shielding reflection signal;
and taking the air supply pressure value detected by the pressure control device as a setting pressure detection value of the safety valve.
In a third aspect, an embodiment of the present invention provides a system for detecting a set pressure of a safety valve, including the above-mentioned device for detecting a set pressure of a safety valve, where the device for detecting a set pressure of a safety valve includes a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device, and an audible and visual alarm device;
the diffuse reflection laser sensor comprises a fixed rod, a movable support, a movable scale and a fixed base, wherein the movable support is arranged on the fixed rod and connected with the movable scale, and the diffuse reflection laser sensor is fixed on the movable support;
the safety valve is detachably arranged on the fixed base, and the electromagnetic valve, the pressure control device and the sound-light alarm device are fixed on the fixed base.
The device further comprises a shading back plate, wherein one end of the movable scale is connected with the movable support, and the movable scale is rotated to be in a horizontal state or a vertical state by taking the joint of one end of the movable scale and the movable support as a fulcrum;
the other end of the movable scale is connected with the shading back plate.
Further, the safety valve comprises a body and a valve rod, and the body is sleeved on the valve rod.
Further, when the movable scale rotates to the vertical state and is positioned at the top of the valve rod, the laser ray emitted by the diffuse reflection laser sensor is emitted onto the shading back plate; and rotating the movable scale to the horizontal state.
Furthermore, the sound and light alarm device is arranged on one side of the fixed rod, and the safety valve, the electromagnetic valve and the pressure control device are arranged on the other side of the fixed rod.
Further, the fixed base is a cuboid.
Further, the fixed base is arranged on the ground.
The embodiment of the invention provides a setting pressure detection device, a setting pressure detection method and a setting pressure detection system of a safety valve, wherein the setting pressure detection device comprises the following steps: the device comprises a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an audible and visual alarm device; the diffuse reflection laser sensor is respectively connected with the acousto-optic alarm device and the electromagnetic valve, and the safety valve, the electromagnetic valve and the pressure control device are sequentially connected; the diffuse reflection laser sensor is used for emitting laser rays to the shading backboard; the pressure control device is used for supplying gas into the safety valve through the electromagnetic valve, detecting the gas supply pressure value in the safety valve in real time, enabling the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor to generate a shielding reflection signal; the sound and light alarm device is used for giving an alarm according to the shielding reflection signal; the electromagnetic valve is used for cutting off the supply gas in the pipeline leading the pressure control device to the safety valve according to the shielding reflection signal, so that the gas supply pressure value detected by the pressure control device is used as the setting pressure detection value of the safety valve, the supply gas is filled into the safety valve through the pressure control device, the displacement change of the safety valve is caused, the gas supply pressure value when the safety valve jumps is recorded, and the accuracy and the safety of the setting pressure detection value of the safety valve can be improved through the mode.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a setting pressure detection device of a safety valve according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a setting pressure detection system of a safety valve according to a second embodiment of the present invention;
fig. 3 is a flowchart of a setting pressure detection method of a safety valve according to a third embodiment of the present invention.
Icon:
1-diffuse reflection laser sensor; 2-a safety valve; 3-an electromagnetic valve; 4-a pressure control device; 5-a sound and light alarm device; 6-fixing the rod; 7-a movable support; 8-a movable scale; 9-fixing a base; 21-body; 22-a valve stem; 10-shading backboard.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic view of a setting pressure detection device of a safety valve according to an embodiment of the present invention.
Referring to fig. 1, the device comprises a diffuse reflection laser sensor 1, a safety valve 2, a solenoid valve 3, a pressure control device 4 and an acousto-optic alarm device 5;
the diffuse reflection laser sensor 1 is respectively connected with an audible and visual alarm device 5 and an electromagnetic valve 3, and a safety valve 2, the electromagnetic valve 3 and a pressure control device 4 are sequentially connected;
the diffuse reflection laser sensor 1 is used for emitting laser rays to the shading backboard;
the pressure control device 4 is used for supplying gas into the safety valve 2 through the electromagnetic valve 3, detecting the gas supply pressure value in the safety valve 2 in real time, enabling the safety valve 2 to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor 1 to generate a shielding reflection signal;
specifically, after the power switch of the diffuse reflection laser sensor 1 is turned on, the diffuse reflection laser sensor 1 emits laser rays to the light shielding backboard through the top of the safety valve 2, and at this time, a light spot is left on the light shielding backboard.
The pressure control device 4 is connected with the electromagnetic valve 3 through a pipeline, the electromagnetic valve 3 is also connected with the safety valve 2 through a pipeline, the pressure control device 4 supplies gas to the interior of the safety valve 2 through a pipeline, and at the moment, the gas passes through the electromagnetic valve 3 through a pipeline and is transmitted to the safety valve 2. After the safety valve 2 is filled with gas, the pressure in the safety valve 2 is gradually increased, the pressure control device 4 detects the gas supply pressure value in the safety valve 2 in real time, the gas supply pressure value is compared with a preset setting pressure value, if the gas supply pressure value is larger than the preset setting pressure value, the safety valve 2 generates upward displacement, laser rays are triggered to be shielded, the laser rays cannot be emitted to the shading back plate, and therefore the diffuse reflection laser sensor 1 is triggered to generate a shielding reflection signal. The diffuse reflection laser sensor 1 sends the shielding reflection signal to the sound-light alarm device 5 and the electromagnetic valve 3.
The sound and light alarm device 5 is used for giving an alarm according to the shielding reflection signal;
and the electromagnetic valve 3 is used for cutting off the supply gas in the pipeline leading the pressure control device 4 to the safety valve 2 according to the shielding reflection signal so that the gas supply pressure value detected by the pressure control device 4 is used as the setting pressure detection value of the safety valve.
Specifically, the sound and light alarm device 5 gives an alarm after receiving the shielding reflection signal, so as to remind the detection personnel to check the air supply pressure value displayed by the pressure control device 4. At this time, after receiving the shielding reflection signal, the electromagnetic valve 3 cuts off the supply gas in the pipeline from the pressure control device 4 to the safety valve 2, and uses the currently displayed supply gas pressure value of the pressure control device 4 as the setting pressure detection value of the safety valve 2, so that the accuracy and the safety of the setting pressure detection value of the safety valve 2 can be improved.
Further, the diffuse reflection laser sensor 1 is respectively connected with the sound and light alarm device 5 and the electromagnetic valve 3 through wired cables, and the safety valve 2, the electromagnetic valve 3 and the pressure control device 4 are sequentially connected through pipelines.
The embodiment of the invention provides a setting pressure detection device of a safety valve, which comprises: the device comprises a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an audible and visual alarm device; the diffuse reflection laser sensor is respectively connected with the acousto-optic alarm device and the electromagnetic valve, and the safety valve, the electromagnetic valve and the pressure control device are sequentially connected; the diffuse reflection laser sensor is used for emitting laser rays to the shading backboard; the pressure control device is used for supplying gas into the safety valve through the electromagnetic valve, detecting the gas supply pressure value in the safety valve in real time, enabling the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor to generate a shielding reflection signal; the sound and light alarm device is used for giving an alarm according to the shielding reflection signal; the electromagnetic valve is used for cutting off the supply gas in the pipeline leading the pressure control device to the safety valve according to the shielding reflection signal, so that the gas supply pressure value detected by the pressure control device is used as the setting pressure detection value of the safety valve, the supply gas is filled into the safety valve through the pressure control device, the displacement change of the safety valve is caused, the gas supply pressure value when the safety valve jumps is recorded, and the accuracy and the safety of the setting pressure detection value of the safety valve can be improved through the mode.
Example two:
fig. 2 is a schematic structural diagram of a setting pressure detection system of a safety valve according to a second embodiment of the present invention.
Referring to fig. 2, the system comprises a setting pressure detection device of the safety valve, wherein the setting pressure detection device of the safety valve comprises a diffuse reflection laser sensor 1, a safety valve 2, an electromagnetic valve 3, a pressure control device 4 and an acousto-optic alarm device 5;
the system also comprises a fixed rod 6, a movable support 7, a movable scale 8 and a fixed base 9, wherein the fixed rod 6 is provided with the movable support 7, the movable support 7 is connected with the movable scale 8, and the movable support 7 is fixedly provided with the diffuse reflection laser sensor 1;
the safety valve 2 is detachably arranged on the fixed base 9, and the electromagnetic valve 3, the pressure control device 4 and the acousto-optic alarm device 5 are fixed on the fixed base 9.
Further, the device also comprises a shading back plate 10, one end of the movable scale 8 is connected with the movable support 7, and the movable scale 8 is rotated to be in a horizontal state or a vertical state by taking the joint of one end of the movable scale 8 and the movable support 7 as a fulcrum;
the other end of the movable scale 8 is connected with a shading back plate 10.
Further, the safety valve 2 comprises a body 21 and a valve rod 22, wherein the body 21 is sleeved on the valve rod 22.
Further, when the movable scale 8 is rotated to the vertical state and is positioned on the top of the valve stem 22, the laser ray emitted from the diffuse reflection laser sensor 1 is emitted onto the light shielding back plate 10; the movable scale 8 is then rotated to the horizontal position.
Specifically, install safety valve 2's body 21 on unable adjustment base 9, use the one end of movable scale 8 and movable support 7 junction as the fulcrum, rotatory movable scale 8 to vertical state in fulcrum department, adjustment movable support 7 makes movable scale 8 top on valve rod 22, after fixing movable support 7, make movable scale 8 rotatory to the horizontality, after opening diffuse reflection laser sensor 1's switch, diffuse reflection laser sensor 1 passes through safety valve 2's top, transmission laser ray to shading backplate 10, at this moment, leave a light spot on the shading backplate 10. The setting in the above manner can be used to correct the position of laser ray emission.
After the safety valve 2 is filled with gas, the pressure in the safety valve 2 is gradually increased, when the gas supply pressure value is larger than the preset setting pressure value, the safety valve 2 generates upward displacement to trigger laser rays, the laser rays are shielded and cannot be emitted to the shading back plate 10, and the diffuse reflection laser sensor 1 is triggered to generate a shielding reflection signal.
Further, the sound and light alarm device 5 is arranged on one side of the fixing rod 6, and the safety valve 2, the electromagnetic valve 3 and the pressure control device 4 are arranged on the other side of the fixing rod 6.
Further, unable adjustment base 9 is the cuboid, and unable adjustment base 9 sets up subaerial.
The setting pressure detection system of the safety valve comprises a setting pressure detection device of the safety valve, wherein the setting pressure detection device of the safety valve comprises a diffuse reflection laser sensor, the safety valve, an electromagnetic valve, a pressure control device and an acousto-optic alarm device; the diffuse reflection laser sensor comprises a fixed rod, a movable support, a movable scale and a fixed base, wherein the fixed rod is provided with the movable support which is connected with the movable scale; the safety valve is detachably arranged on the fixed base, and the electromagnetic valve, the pressure control device and the audible and visual alarm device are fixed on the fixed base.
Example three:
fig. 3 is a flowchart of a setting pressure detection method of a safety valve according to a third embodiment of the present invention.
Referring to fig. 3, the set pressure detection device for the safety valve, which is applied to the safety valve, includes a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an acousto-optic alarm device, and the method includes the following steps:
step S101, a diffuse reflection laser sensor emits laser rays to a shading backboard;
step S102, a pressure control device supplies gas into a safety valve through an electromagnetic valve, detects the gas supply pressure value in the safety valve in real time, enables the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggers a diffuse reflection laser sensor to generate a shielding reflection signal;
step S103, the sound and light alarm device gives an alarm according to the shielding reflection signal;
step S104, the electromagnetic valve cuts off the supply gas in the pipeline leading the pressure control device to the safety valve according to the shielding reflection signal;
and step S105, taking the air supply pressure value detected by the pressure control device as a setting pressure detection value of the safety valve.
The setting pressure detection method of the safety valve provided by the embodiment of the invention comprises the following steps: the diffuse reflection laser sensor emits laser rays to the shading backboard; the pressure control device supplies gas into the safety valve through the electromagnetic valve, detects the gas supply pressure value in the safety valve in real time, enables the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggers the diffuse reflection laser sensor to generate a shielding reflection signal; the sound and light alarm device gives an alarm according to the shielding reflection signal; the electromagnetic valve cuts off the supply gas in the pipeline leading the pressure control device to the safety valve according to the shielding reflection signal; the air supply pressure value detected by the pressure control device is used as the setting pressure detection value of the safety valve, and the accuracy and the safety of the setting pressure detection value of the safety valve can be improved through the mode.
The embodiment of the invention also provides electronic equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the steps of the setting pressure detection method of the safety valve provided by the embodiment are realized when the processor executes the computer program.
Embodiments of the present invention further provide a computer readable medium having non-volatile program codes executable by a processor, where the computer readable medium stores a computer program, and the computer program is executed by the processor to perform the steps of the method for detecting the setting pressure of the safety valve according to the above embodiments.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A setting pressure detection apparatus of a safety valve, characterized in that the apparatus comprises: the device comprises a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an audible and visual alarm device;
the diffuse reflection laser sensor is respectively connected with the sound-light alarm device and the electromagnetic valve, and the safety valve, the electromagnetic valve and the pressure control device are sequentially connected;
the diffuse reflection laser sensor is used for emitting laser rays to the shading backboard;
the pressure control device is used for supplying gas into the safety valve through the electromagnetic valve, detecting the gas supply pressure value in the safety valve in real time, enabling the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggering the diffuse reflection laser sensor to generate a shielding reflection signal;
the sound and light alarm device is used for giving an alarm according to the shielding reflection signal;
the electromagnetic valve is used for cutting off the supply gas in a pipeline leading from the pressure control device to the safety valve according to the shielding reflection signal, so that the supply gas pressure value detected by the pressure control device is used as a setting pressure detection value of the safety valve.
2. The safety valve set pressure detection device according to claim 1, wherein the diffuse reflection laser sensor is connected to the sound and light alarm device and the electromagnetic valve through wired cables, and the safety valve, the electromagnetic valve, and the pressure control device are sequentially connected through the pipeline.
3. A method for detecting a set pressure of a safety valve, which is applied to the device for detecting a set pressure of a safety valve according to claim 1 or 2, wherein the device for detecting a set pressure of a safety valve includes a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device, and an audible and visual alarm device, and the method includes:
the diffuse reflection laser sensor emits laser rays to the shading backboard;
the pressure control device supplies gas into the safety valve through the electromagnetic valve, detects the gas supply pressure value in the safety valve in real time, enables the safety valve to generate upward displacement when the gas supply pressure value is larger than a preset setting pressure value, and triggers the diffuse reflection laser sensor to generate a shielding reflection signal;
the sound and light alarm device gives an alarm according to the shielding reflection signal;
the electromagnetic valve cuts off the supply gas in a pipeline leading from the pressure control device to the safety valve according to the shielding reflection signal;
and taking the air supply pressure value detected by the pressure control device as a setting pressure detection value of the safety valve.
4. A safety valve set pressure detection system, characterized by comprising the safety valve set pressure detection device of claim 1 or 2, the safety valve set pressure detection device comprising a diffuse reflection laser sensor, a safety valve, an electromagnetic valve, a pressure control device and an audible and visual alarm device;
the diffuse reflection laser sensor comprises a fixed rod, a movable support, a movable scale and a fixed base, wherein the movable support is arranged on the fixed rod and connected with the movable scale, and the diffuse reflection laser sensor is fixed on the movable support;
the safety valve is detachably arranged on the fixed base, and the electromagnetic valve, the pressure control device and the sound-light alarm device are fixed on the fixed base.
5. The setting pressure detection system of the safety valve according to claim 4, further comprising a light shielding back plate, wherein one end of the movable scale is connected with the movable support, and the movable scale is rotated to a horizontal state or a vertical state by taking a joint of the one end of the movable scale and the movable support as a fulcrum;
the other end of the movable scale is connected with the shading back plate.
6. The system for detecting the setting pressure of the safety valve according to claim 5, wherein the safety valve comprises a body and a valve rod, and the body is sleeved on the valve rod.
7. The setting pressure detection system of a safety valve according to claim 6, wherein when the movable scale is rotated to the vertical state and positioned at the top of the valve stem, the laser ray emitted from the diffuse reflection laser sensor is emitted onto the light shielding back plate; and rotating the movable scale to the horizontal state.
8. The system for detecting the setting pressure of the safety valve as claimed in claim 4, wherein the audible and visual alarm device is disposed at one side of the fixing rod, and the safety valve, the solenoid valve and the pressure control device are disposed at the other side of the fixing rod.
9. The setting pressure detection system of a safety valve according to claim 4, wherein the fixed base is a rectangular parallelepiped.
10. The safety valve set pressure detection system of claim 9, wherein the fixed base is disposed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769515.3A CN111879507A (en) | 2020-08-03 | 2020-08-03 | Setting pressure detection device, method and system of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769515.3A CN111879507A (en) | 2020-08-03 | 2020-08-03 | Setting pressure detection device, method and system of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111879507A true CN111879507A (en) | 2020-11-03 |
Family
ID=73205345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010769515.3A Pending CN111879507A (en) | 2020-08-03 | 2020-08-03 | Setting pressure detection device, method and system of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879507A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006029474A (en) * | 2004-07-16 | 2006-02-02 | Mihana Seisakusho:Kk | Safety valve setting pressure adjusting mechanism and safety valve having the adjusting mechanism |
| CN103852245A (en) * | 2012-12-04 | 2014-06-11 | 华东理工大学 | Test device and test method for testing heat-state mechanical performance of safety valve |
| CN107605823A (en) * | 2017-08-24 | 2018-01-19 | 哈电集团哈尔滨电站阀门有限公司 | A kind of spring safety valve debugging apparatus |
-
2020
- 2020-08-03 CN CN202010769515.3A patent/CN111879507A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006029474A (en) * | 2004-07-16 | 2006-02-02 | Mihana Seisakusho:Kk | Safety valve setting pressure adjusting mechanism and safety valve having the adjusting mechanism |
| CN103852245A (en) * | 2012-12-04 | 2014-06-11 | 华东理工大学 | Test device and test method for testing heat-state mechanical performance of safety valve |
| CN107605823A (en) * | 2017-08-24 | 2018-01-19 | 哈电集团哈尔滨电站阀门有限公司 | A kind of spring safety valve debugging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10753821B2 (en) | System and method for monitoring and reporting liquid nitrogen container level | |
| KR101260962B1 (en) | System and method for detecting gas using smart-phone | |
| KR101721822B1 (en) | Management and contril system of fire extinguisher using change auto notice | |
| JP2008122378A (en) | Method of monitoring and/or measuring condition of force meter, and force meter | |
| KR20170133298A (en) | Gas detector with visual compliance verification | |
| US11269086B2 (en) | System and method for radon detection | |
| WO2022159282A1 (en) | Emergency readiness verification system and method of calibration | |
| JP2018179742A (en) | Groundwater level measuring device and groundwater level measuring system | |
| KR101888148B1 (en) | level gauge | |
| EP3336483A1 (en) | Digital wireless feeler gauge | |
| CN111879507A (en) | Setting pressure detection device, method and system of safety valve | |
| CN117521418B (en) | Gas leakage diffusion range prediction method, gas leakage diffusion range prediction equipment and storage medium | |
| JP6639952B2 (en) | Inspection system for alarm using mobile terminal and inspection method using the same | |
| US11187611B2 (en) | System and method for monitoring and reporting liquid nitrogen container level | |
| JP5318007B2 (en) | LNG tank alarm device | |
| CN116559765A (en) | Testing method and system of automatic calibrating device of electric energy meter and electronic device | |
| CN109741577A (en) | Equipment fault alarm system and method | |
| CN210981507U (en) | Refrigerating system pipeline measuring device | |
| US11898942B2 (en) | Method for checking water sealing of instrumentation for underwater use | |
| KR101713519B1 (en) | fire extinguisher mount with equipped of device to weight show | |
| CN111950400A (en) | Fire monitoring method and device, computer readable storage medium and electronic equipment | |
| CN110779612A (en) | Method and device for measuring pipeline of refrigeration system | |
| CN220304487U (en) | Portable cable bending radius quick inspection tool based on laser presentation principle | |
| US20220205951A1 (en) | Evaluation of fluid quality with signals | |
| CN212592107U (en) | Blood pressure measuring system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201103 |