CN205424072U - Monitoring system of ball valve with soft or hard is sealed - Google Patents
Monitoring system of ball valve with soft or hard is sealed Download PDFInfo
- Publication number
- CN205424072U CN205424072U CN201520967752.5U CN201520967752U CN205424072U CN 205424072 U CN205424072 U CN 205424072U CN 201520967752 U CN201520967752 U CN 201520967752U CN 205424072 U CN205424072 U CN 205424072U
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- valve
- soft
- ball
- pressure transducer
- mcu
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Abstract
The utility model discloses a monitoring system of ball valve with soft or hard is sealed, the entrance of valve body is equipped with pressure sensor a, be equipped with pressure sensor b between hard disk seat and the soft disk seat, pressure sensor b is located between the sealed face and valve body of valve ball, be equipped with the fluid sensor between valve stem frame and valve rod, sealing filler's the sealed department of last one -level is located to the fluid sensor, pressure sensor a, pressure sensor b, fluid sensor are connected with MCU respectively, the outside of valve body is equipped with the alarm, the alarm links to each other with MCU, be equipped with the torque measurement ware on the valve rod, the torque measurement ware is connected with MCU. The utility model discloses a technique aim at provide one kind be equipped with between valve stem frame and valve rod monitoring devices, to revealing between two kinds of disk seats of soft or hard can monitor, to soft disk seat reveal with the valve in the ball valve monitoring system of excessive pressure monitoring, this kind of monitoring system plays the effect of warning when little problem appears in the valve.
Description
Technical field
This utility model relates to valve field, the monitoring system of a kind of ball valve with soft and hard seal.
Background technology
Ball valve is widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel, occupies very important status in national economy.Ball valve has the features such as flow resistance is little in the case of simple in construction, reliable, standard-sized sheet, and therefore, the performance of ball valve is continued to improve the production to society also the biggest positive role.
General ordinary ball valve is all to be extruded mutually, by metal and metal, the sealing surface formed, during open and close ball valve, the moment needed is bigger, in relatively large ball valve is opened, particularly need the biggest moment ability open and close ball valve smoothly, the most just seem excessive cumbersome, when valve ball card column, ball valve is likely to when opening and closing cause the bigger damage of valve；And for ordinary ball valve, leakage easily occurring between valve rod and valve gap, medium is from spouting along valve rod, if pumped (conveying) medium has corrosivity, also can damage the manipulation personnel of valve, and therefore, the leakage between valve rod and valve seat needs monitoring；General monitoring system monitoring mode is single, it is impossible to enough leakages valve being detected in time, is difficult to monitor out to small valve leaks, it is impossible to enough provide early warning information in time.
Utility model content
The problem existed for the monitoring of above-mentioned ball valve, technical purpose of the present utility model be to provide a kind of between valve rod frame and valve rod, be provided with monitoring device, leakage to two kinds of valve base chambers of soft or hard can monitor, reveal soft valve seat and the ball valve monitoring system of overvoltage monitoring in valve, this monitoring system can improve the reliability of valve, solves valve and there is the hidden danger revealed before big problem occurs in valve.
This utility model is achieved through the following technical solutions:
nullA kind of monitoring system of the ball valve with soft and hard seal，The monitoring system of the described ball valve with soft and hard seal includes: valve rod 4、Handle 1、Valve ball 3，The top of described valve rod 4 is provided with handle 1，The bottom of described valve rod 4 is connected with valve ball 3，Described ball valve is side-mounted，Described valve body 2 is internal is provided with two cannelures 7，Groups of springs 8 it is respectively equipped with in said two cannelure 7，Hard valve seat 5 and soft valve seat 6 it is respectively equipped with in said two groups of springs 8,It is characterized in that，The porch of described valve body 2 is provided with pressure transducer a，It is provided with pressure transducer b between described hard valve seat 5 and soft valve seat 6，Described pressure transducer b is between the sealing surface and valve body 2 of valve ball 3，It is provided with fluid sensor between described valve rod frame 9 and valve rod 4，Described fluid sensor is located at the afterbody sealing of airtight and watertight padding，Described pressure transducer a、Pressure transducer b、Fluid sensor is connected with MCU respectively，The outside of described valve body 2 is provided with alarm，Described alarm is connected with MCU，Described valve rod 4 is provided with torque dynamometer，Described torque dynamometer is connected with MCU；
Further, whether described fluid sensor detection valve rod frame 9 has fluid reveal and the fluid signal detected is sent to MCU with valve rod 4, if there being leakage, MCU sends alarm signal a to alarm after receiving leakage signal, and described alarm sends alarm a after receiving alarm signal a；
During valve closing, pressure in pipeline after the valve closing that described pressure transducer a records, the pressure signal P 1 recorded is passed to MCU by described pressure transducer a, pressure between valve ball 3 and valve body 2 after the valve closing that described pressure transducer b records, the pressure signal P 2 recorded is passed to MCU by described pressure transducer b, pressure signal value is processed after receiving the pressure signal that pressure transducer a and pressure transducer b records by described MCU, if during P1 >=0.5P2, then MCU is judged as that the sealing surface that soft valve seat 6 and valve ball 3 are formed exists leakage, described MCU sends alarm signal b to alarm, described alarm sends alarm b after receiving alarm signal b；If during P1 ＜ 0.5P2, then MCU is judged as that the sealing surface that soft valve seat 6 and valve ball 3 are formed does not exists leakage, valve normally works, if during P1 ＞ P or P2 ＞ P, described MCU is judged as pipe-line system hypertonia, described MCU sends alarm signal c to alarm, and described alarm sends alarm c after receiving alarm signal c；
The moment of torsion that described torductor records passes to MCU in real time, it is preset with torque maximum in described MCU, if the moment of torsion that torductor records exceedes default torque value, MCU sends alarm signal d to alarm, and described alarm sends alarm d after receiving alarm signal d；
Further, described pressure transducer is strain films chip pressure transducer, and the rated pressure that described strain films chip pressure transducer bears is may 1.6 times of maximum pressure in described pipeline；
Further, described fluid sensor is non-contact type water soaked sensor.
The beneficial effects of the utility model are:
1, by being provided with fluid sensor at the sealing of valve rod frame and valve rod, when making to have at the sealing of valve rod slight leakage, fluid sensor sets out after the fluid oozed out being detected alarm, alarm sends alarm, play the effect given warning in advance, avoid the generation of major break down, particularly when carrying volatility toxic liquid, especially can the life security of safeguard work personnel；
2, by the pressure transducer a, pressure transducer b and MCU that are provided with in valve body, whether pressure is excessive to make MCU can determine whether out whether have leakage and pipe-line system by soft valve seat, if the pressure medium of conveying is excessive in having leakage or management system, alarm can send alarm in time, staff can be overhauled targetedly, in advance to ball valve, it is to avoid the generation of accident；
3, by being provided with torductor on valve rod, it is to avoid when valve ball does not blocks to handle with excessive torsion, it is to avoid ball valve is destroyed.
Accompanying drawing explanation
Fig. 1 is control schematic diagram of the present utility model；
Fig. 2 is structural representation of the present utility model.
Labelling in figure: 1 be handle, 2 be valve body, 3 be valve ball, 4 be valve rod, 5 be hard valve seat, 6 be soft valve seat, 7 be cannelure, 8 be groups of springs, 9 for valve rod frame.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
nullA kind of ball valve with soft and hard seal，Including handle 1、Valve body 2、Valve ball 3、Valve rod 4、Hard valve seat 5、Soft valve seat 6、Cannelure 7、Groups of springs 8、Valve rod frame 9，The monitoring system of the described ball valve with soft and hard seal includes: valve rod 4、Handle 1、Valve ball 3，The top of described valve rod 4 is provided with handle 1，The bottom of described valve rod 4 is connected with valve ball 3，Described ball valve is side-mounted，Described valve body 2 is internal is provided with two cannelures 7，Groups of springs 8 it is respectively equipped with in said two cannelure 7，Hard valve seat 5 and soft valve seat 6 it is respectively equipped with in said two groups of springs 8,The porch of described valve body 2 is provided with pressure transducer a，It is provided with pressure transducer b between described hard valve seat 5 and soft valve seat 6，Described pressure transducer b is between the sealing surface and valve body 2 of valve ball 3，It is provided with fluid sensor between described valve rod frame 9 and valve rod 4，Described fluid sensor is located at the afterbody sealing of airtight and watertight padding，Described pressure transducer a、Pressure transducer b、Fluid sensor is connected with MCU respectively，The outside of described valve body 2 is provided with alarm，Described alarm is connected with MCU，Described valve rod 4 is provided with torque dynamometer，Described torque dynamometer is connected with MCU，Selected by the MCU based on ARMCortex-M3 that MCU is 32 that has，Alarm is for having light、Electricity warning function and there is at least four alarm mode；
Whether described fluid sensor detection valve rod frame 9 has fluid reveal and the fluid signal detected is sent to MCU with valve rod 4, if there being leakage, MCU sends alarm signal a to alarm after receiving leakage signal, and described alarm sends alarm a after receiving alarm signal a；
During valve closing, pressure in pipeline after the valve closing that described pressure transducer a records, the pressure signal P 1 recorded is passed to MCU by described pressure transducer a, pressure between valve ball 3 and valve body 2 after the valve closing that described pressure transducer b records, the pressure signal P 2 recorded is passed to MCU by described pressure transducer b, pressure signal value is processed after receiving the pressure signal that pressure transducer a and pressure transducer b records by described MCU, if during P1 >=0.5P2, then MCU is judged as that the sealing surface that soft valve seat 6 and valve ball 3 are formed exists leakage, described MCU sends alarm signal b to alarm, described alarm sends alarm b after receiving alarm signal b；If during P1 ＜ 0.5P2, then MCU is judged as that the sealing surface that soft valve seat 6 and valve ball 3 are formed does not exists leakage, valve normally works, if during P1 ＞ P or P2 ＞ P, described MCU is judged as pipe-line system hypertonia, described MCU sends alarm signal c to alarm, and described alarm sends alarm c after receiving alarm signal c；
The moment of torsion that described torductor records passes to MCU in real time, it is preset with torque maximum in described MCU, if the moment of torsion that torductor records exceedes default torque value, MCU sends alarm signal d to alarm, and described alarm sends alarm d after receiving alarm signal d；
Described pressure transducer is strain films chip pressure transducer, and the rated pressure that described strain films chip pressure transducer bears is may 1.6 times of maximum pressure in described pipeline；
Described fluid sensor is non-contact type water soaked sensor.
Claims (3)
- null1. the monitoring system of a ball valve with soft and hard seal，The monitoring system of the described ball valve with soft and hard seal includes: valve rod (4)、Handle (1)、Valve ball (3)、Valve body (2)，The top of described valve rod (4) is provided with handle (1)，The bottom of described valve rod (4) is connected with valve ball (3)，Described ball valve is side-mounted，Described valve body (2) is internal is provided with two cannelures (7)，Groups of springs (8) it is respectively equipped with in said two cannelure (7)，Hard valve seat (5) and soft valve seat (6) it is respectively equipped with in said two groups of springs (8),It is characterized in that，The porch of described valve body (2) is provided with pressure transducer a，It is provided with pressure transducer b between described hard valve seat (5) and soft valve seat (6)，Described pressure transducer b is positioned between the sealing surface of valve ball (3) and valve body (2)，It is provided with fluid sensor between valve rod frame (9) and valve rod (4)，Described fluid sensor is located at the afterbody sealing of airtight and watertight padding，Described pressure transducer a、Pressure transducer b、Fluid sensor is connected with MCU respectively，The outside of described valve body (2) is provided with alarm，Described alarm is connected with MCU，Described valve rod (4) is provided with torque dynamometer，Described torque dynamometer is connected with MCU.
- The monitoring system of the ball valve with soft and hard seal the most according to claim 1, it is characterized in that, described pressure transducer is strain films chip pressure transducer, and the rated pressure that described strain films chip pressure transducer bears is may 1.6 times of maximum pressure in the pipeline of place.
- The monitoring system of the ball valve with soft and hard seal the most according to claim 2, it is characterised in that described fluid sensor is non-contact type water soaked sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967752.5U CN205424072U (en) | 2015-11-30 | 2015-11-30 | Monitoring system of ball valve with soft or hard is sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967752.5U CN205424072U (en) | 2015-11-30 | 2015-11-30 | Monitoring system of ball valve with soft or hard is sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205424072U true CN205424072U (en) | 2016-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967752.5U Expired - Fee Related CN205424072U (en) | 2015-11-30 | 2015-11-30 | Monitoring system of ball valve with soft or hard is sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205424072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907523A (en) * | 2017-04-14 | 2017-06-30 | 福建华永科技有限公司 | A kind of method for predicting valve leak |
-
2015
- 2015-11-30 CN CN201520967752.5U patent/CN205424072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907523A (en) * | 2017-04-14 | 2017-06-30 | 福建华永科技有限公司 | A kind of method for predicting valve leak |
| WO2018188508A1 (en) * | 2017-04-14 | 2018-10-18 | 福建华永科技有限公司 | Method for predicting valve leakage |
| CN106907523B (en) * | 2017-04-14 | 2022-12-13 | 福建开立通科技有限公司 | Method for predicting valve leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20181130 |