CN207777646U - Intelligent-induction quick action emergency valve - Google Patents
Intelligent-induction quick action emergency valve Download PDFInfo
- Publication number
- CN207777646U CN207777646U CN201721667833.9U CN201721667833U CN207777646U CN 207777646 U CN207777646 U CN 207777646U CN 201721667833 U CN201721667833 U CN 201721667833U CN 207777646 U CN207777646 U CN 207777646U
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- piston
- hall element
- piston cylinder
- flap
- fixedly mounted
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Abstract
The utility model is related to a kind of intelligent-induction quick action emergency valves, including valve body, flap, piston mechanism；Piston mechanism is made of piston cylinder, piston and piston rod, and piston rod upper end is fixedly connected across installation cavity with flap lower face center, and piston cylinder rodless cavity installs sensor by pneumatic joint and air source mechanism connection in piston cylinder rodless cavity；Mainly sensor is made of permanent magnet and Hall element, and signal processing apparatus is installed in the bottom cover inner cavity on the outside of Hall element；The signal processing apparatus uses proportional amplifier.Micro distance change between permanent magnet and Hall element, can all cause hall element output voltage to change, and detection sensitivity is high, anti-theft performance is good.Suitable for RTC unloading valve.
Description
Technical field
The utility model belongs to valve field more particularly to a kind of oil drain valve.The utility model is suitable for RTC unloading
Valve.
Background technology
Oil drain valve is mounted on oil tank car bottom as will fill interior oil product controlled valve, structure generally comprise valve body, flap,
Piston mechanism, valve body are installed on tank bottom by the flange of horizontal direction, and valve body is located at flange above section and is inserted into oil tank inner cavity,
Flange is taken over by emptying of lower part, and the internal chamber wall above and below valve body between two parts is formed with close with the mutually matched valve seat of flap
Cover, flap upper surface center are fixedly connected with guide rod, the guiding interporal lacuna of the guide rod upper end and the leading truck of valve body upper end
Cooperation, installs spring between leading truck and flap；Piston mechanism is made of piston cylinder, piston, piston cylinder, and piston cylinder fixes peace
It is taken in the installation cavity of bottom mounted in valve body emptying, piston cylinder upper end is fixedly connected with flap lower face center, piston cylinder outer circle
Dynamic sealing coordinates between face and the hole wall of installation cavity, and piston cylinder rodless cavity is connected to by pneumatic joint with pneumatic mechanism, by pneumatic
Flap is opened emptying by mechanism urges piston.In order to monitor oil drain valve's unnormal unlocking, prevent oil product stolen, generally in oil drain valve
Upper installation sensor detects on off state and the opening time of valve.But the sensor at present on RTC unloading valve is general
Using location sensitive sensor, detection sensitivity is relatively low, is difficult to obtain detection signal in the crack state of flap, was transporting
There are micro unlatching oil drain valves to carry out oily phenomenon steathily in journey, causes oil product conveyance loss.
Invention content
The purpose of this utility model be in view of the problems of the existing technology, provide one kind can real-time continuous detection flap open
Degree, the intelligent-induction quick action emergency valve that detection sensitivity is high, anti-theft performance is good.
The technical solution of the utility model includes valve body, flap, piston mechanism, and valve body is by flange, oil inlet passage and emptying
Channel forms, and valve seat is equipped between oil inlet passage and emptying channel, and valve seat has mutually matched sealing surface, flap with flap
Guide rod is fixedly mounted in upper surface center, and guide rod upper end and the pilot hole being fixedly mounted on the leading truck in oil inlet passage are dynamic
Cooperation, installs spring between leading truck and flap；Piston mechanism is made of piston cylinder, piston and piston rod, and piston cylinder fixes peace
In the installation cavity of emptying the bottom of the channel, piston rod upper end is fixedly connected across installation cavity with flap lower face center, piston
Bar lower end is fixedly connected with piston upper surface, piston cylinder rodless cavity by pneumatic joint and air source mechanism connection, piston cylinder without
Sensor is installed in rod cavity；Mainly sensor is made of permanent magnet and Hall element, and permanent magnet is fixedly mounted on piston
Face, Hall element are fixedly mounted on the piston cylinder bottom surface immediately below permanent magnet, and the piston cylinder bottom on the outside of Hall element is fixed
Signal processing apparatus is installed in bottom cover of the installation one with line concentration set, bottom cover inner cavity；The signal processing apparatus uses proportional amplifier,
Its positive input terminal is connect by resistance with Hall element output end, and negative input end is connected by divider resistance and working power negative terminal
It connects, adjustable resistor is connected between negative input end and output end, the first filtering is connected between output end and working power negative terminal
Capacitor connects the second filter condenser between positive input terminal and working power negative terminal.
Preferably, strainer is installed in the radial window periphery of valve body oil inlet passage.
The utility model has the advantages that sensor is formed using permanent magnet and Hall element, between permanent magnet and Hall element
Micro distance change, can all hall element output voltage be caused to change, detection sensitivity is high, anti-theft performance is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the circuit diagram of signal processing apparatus in the utility model Fig. 1.
Specific implementation mode
Intelligent-induction quick action emergency valve as shown in Figure 1, including valve body 4, flap 6, piston mechanism, valve body 4 by flange, into
Oily channel and emptying channel composition, are equipped with valve seat between oil inlet passage and emptying channel, and the setting of flap 6 cooperates with valve seat
Sealing ring 7,6 upper surface center of flap is fixedly mounted guide rod 1,1 upper end of guide rod and is fixedly mounted in oil inlet passage
Spring 3 is installed in pilot hole dynamic cooperation on leading truck 2 between leading truck 2 and flap 6, spring 3 compresses flap 6 downwards and valve
Seat sealing cooperation；Piston mechanism is made of piston cylinder 11, piston 9 and piston rod, and piston cylinder 11 is fixedly mounted on emptying channel floor
In the installation cavity 8 in portion, piston rod upper end is fixedly connected across installation cavity 8 with 6 lower face center of flap, piston-rod lower end and piston
9 upper surfaces are fixedly connected, and dynamic sealing coordinates between piston rod periphery and installation cavity 8, and 11 rodless cavity of piston cylinder is by pneumatically connecing
First 10 with air source mechanism connection, sensor is installed in 11 rodless cavity of piston cylinder, which is used for detecting the mobile position of piston 9
State is set, to detect the position of the switch state of flap 6；Sensor is made of permanent magnet 12 and Hall element 13, permanent magnet 12
It is fixedly mounted on 9 lower face of piston, Hall element 13 is fixedly mounted on 11 bottom surface of piston cylinder immediately below permanent magnet 12, Hall member
Part 13 uses semiconductor Hall devices, and the Hall effect of consecutive variations can be generated according to its relative position between permanent magnet 12
A bottom cover 14 with line concentration set 16,14 inner cavity of bottom cover peace is fixedly mounted in 11 bottom of piston cylinder in 13 outside of Hall element in voltage
Fill signal processing apparatus 15；The signal processing apparatus 15 uses proportion operational amplifier A, and proportion operational amplifier A is just
Input terminal is connect by resistance R1 with 13 output end of Hall element, and negative input end is connected by divider resistance R2 and working power negative terminal
It connects, adjustable resistor RW is connected between the negative input end and output end of proportion operational amplifier A, proportion operational amplifier A is defeated
The first filter condenser C1 is connected between outlet and working power negative terminal, and second is connected between positive input terminal and working power negative terminal
Filter condenser C2 improves the stability of output voltage.The output end of proportion operational amplifier A and the signal of microprocessor input
End connection.Operating voltage between proportion operational amplifier A working power anode V+ and negative terminal is 5V.The power supply of Hall element 13
Positive termination working power anode V+, power supply negative terminal connect working power negative terminal, as shown in Figure 2.
Strainer 5 is installed in the radial window periphery of 4 oil inlet passage of valve body, improves the degree of purity for oil product of releasing.
Claims (2)
1. a kind of intelligent-induction quick action emergency valve, including valve body（4）, flap（6）, piston mechanism, valve body（4）By flange, oil inlet
Channel and emptying channel composition, are equipped with valve seat, flap between oil inlet passage and emptying channel（6）Upper surface center is fixedly mounted
Guide rod（1）, guide rod（1）Upper end and the leading truck being fixedly mounted in oil inlet passage（2）On the dynamic cooperation of pilot hole, be oriented to
Frame（2）With flap（6）Between spring is installed（3）；Piston mechanism is by piston cylinder（11）, piston（9）It is formed with piston rod, piston cylinder
（11）It is fixedly mounted on the installation cavity of emptying the bottom of the channel（8）Interior, piston rod upper end passes through installation cavity（8）With flap（6）Lower end
Face center is fixedly connected, piston-rod lower end and piston（9）Upper surface is fixedly connected, piston cylinder（11）Rodless cavity passes through pneumatic joint
（10）With air source mechanism connection, in piston cylinder（11）Sensor is installed in rodless cavity；It is characterized in that sensor is by permanent magnet（12）
And Hall element（13）Composition, permanent magnet（12）It is fixedly mounted on piston（9）Lower face, Hall element（13）It is fixedly mounted on forever
Magnet（12）The piston cylinder of underface（11）Bottom surface, in Hall element（13）The piston cylinder in outside（11）A band is fixedly mounted in bottom
Line concentration set（16）Bottom cover（14）, bottom cover（14）Inner cavity is installed by signal processing apparatus（15）；The signal processing apparatus（15）By
Proportion operational amplifier（A）Composition, the proportion operational amplifier（A）Positive input terminal pass through resistance（R1）With Hall element（13）
Output end connects, and negative input end passes through divider resistance（R2）It is connect with working power negative terminal, in proportion operational amplifier（A）It is negative
Adjustable resistor is connected between input terminal and output end（RW）, proportion operational amplifier（A）Output end and working power negative terminal it
Between connect the first filter condenser（C1）, the second filter condenser is connected between positive input terminal and working power negative terminal（C2）.
2. intelligent-induction quick action emergency valve according to claim 1, it is characterized in that in valve body（4）The radial window of oil inlet passage
Mouth periphery is installed by strainer（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667833.9U CN207777646U (en) | 2017-12-05 | 2017-12-05 | Intelligent-induction quick action emergency valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721667833.9U CN207777646U (en) | 2017-12-05 | 2017-12-05 | Intelligent-induction quick action emergency valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777646U true CN207777646U (en) | 2018-08-28 |
Family
ID=63230685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721667833.9U Active CN207777646U (en) | 2017-12-05 | 2017-12-05 | Intelligent-induction quick action emergency valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606351A (en) * | 2021-08-06 | 2021-11-05 | 杭州嘉隆物联网科技有限公司 | Intelligent subsea valve for residual oil detection and use method |
-
2017
- 2017-12-05 CN CN201721667833.9U patent/CN207777646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606351A (en) * | 2021-08-06 | 2021-11-05 | 杭州嘉隆物联网科技有限公司 | Intelligent subsea valve for residual oil detection and use method |
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