CN208138569U - A kind of device detecting check-valves working condition - Google Patents
A kind of device detecting check-valves working condition Download PDFInfo
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- CN208138569U CN208138569U CN201820421758.6U CN201820421758U CN208138569U CN 208138569 U CN208138569 U CN 208138569U CN 201820421758 U CN201820421758 U CN 201820421758U CN 208138569 U CN208138569 U CN 208138569U
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Abstract
A kind of device packet detecting check-valves working condition, wherein, mechanical part is equipped with liquid inlet, liquid outlet, spool, valve seat, valve body, valve chamber, Rubber shock-absorbing pad, spring, indicating arm, spool stroke chamber, cover board, pedestal, shield, part of data acquisition is equipped with temperature detecting unit, vibration detecting unit, pressure sensing cell, tamper detection unit, spool position detection unit, wireless transmission unit, data storage cell, data display unit, it is connect respectively with signal processing unit, and is equipped with independent power module；Advantage is：Securely and reliably, the data of acquisition both can live real-time display, it can also be wirelessly transferred, staff can real time inspection, improve site problems reaction speed, avoid energy waste, reduce equipment attrition, also there is anti-theft function, modification method is provided to the formula for calculating Liquid output according to check-valves, greatly improves Liquid output computational accuracy.
Description
Technical field
The invention belongs to oilfield exploitation monitoring technology field, in particular to a kind of device for detecting check-valves working condition.
Background technique
In field use, the liquid for being pumped into ground in order to prevent is blowed back into pit shaft, at oil well production tree
One check-valves is installed, realizes liquid one-way flowing.In practical applications, when oil well does not go out the spool of liquid or check-valves（20）Quilt
It when blocking, can not be judged by appearance, can just find this problem when only passing through oil well amount liquid, oil well is caused to dally for a long time,
Cause energy waste, equipment attrition.In response to this problem, a kind of new technology, new method is needed to solve the problems, such as this.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of device for detecting check-valves working condition.
The technical solution adopted by the present invention is：A kind of device detecting check-valves working condition includes mechanical part sum number
According to collecting part, wherein mechanical part be equipped with liquid inlet, liquid outlet, spool, valve seat, valve body, valve chamber, Rubber shock-absorbing pad,
Spring, indicating arm, spool stroke chamber, cover board, pedestal, shield；Liquid inlet and liquid outlet are linked together by valve body；Valve
Seat is located at valve inner, liquid inlet and liquid outlet is linked together, valve seat can split out replacement from valve body；Spool is located at
Valve seat top, and moved up and down in valve core inside, it contacts and is sealed with valve seat, replacement can be split out from valve seat；The rubber
Glue resilient cushion is located at spool top, and contacts with spool；The indicating arm is located at Rubber shock-absorbing pad top and the two connects
Together, indicating arm successively passes through spring, cover board, and enters in spool stroke chamber；Wherein, spool, Rubber shock-absorbing pad, bullet
Spring, indicating arm are located in valve chamber；Cover board is located above valve seat, and and base contacts, pedestal top be equipped with shield, shield is by data
Collecting part covers on inside, and part of data acquisition is equipped with temperature detecting unit, vibration detecting unit, pressure sensing cell, tamper
Detection unit, spool position detection unit, wireless transmission unit, data storage cell, data display unit, respectively and at signal
Unit connection is managed, and is equipped with independent power module, detection hole, pressure detecting list needed for being equipped with temperature detecting unit in pedestal
Mounting hole needed for exploration hole, tamper detection unit needed for the required fixation hole of member, spool position detection unit, wherein valve
The position of Hall sensor, metal detector, optoelectronic switch, pressure sensor detection spool can be used in core position detection unit；
The temperature detecting unit is connect with signal processing unit, for detecting fluid temperature in check-valves；The vibration detection
Unit is connect with signal processing unit, for detecting the Vibration Condition of check-valves；The pressure sensing cell and signal processing
Unit connection, for detecting the pressure in valve chamber；The tamper detection unit is connect with signal processing unit, for detecting shield
Cover removes situation；The spool position detection unit is connect with signal processing unit, for detecting spool situation of movement；It is described
Wireless transmission unit connect with signal processing unit, for realizing data wireless transmission；The data storage cell and letter
Number detection unit connection, for realizing the storage of data；The data display unit is connect with signal processing unit, for showing
Show collected data；The power module is temperature detecting unit, vibration detecting unit, pressure sensing cell, prevents opening and inspecting
Unit, spool position detection unit, wireless transmission unit, data storage cell, data display unit, signal processing unit is surveyed to mention
For the power supply needed for working.
The spool and valve seat is replaceable.
The indicating arm passes through spring, cover board and can move freely.
The spool stroke chamber is connected to valve chamber.
The Rubber shock-absorbing pad is contacted with spool under the action of the spring.
The power module is located in shield, and battery power supply can be used.
When calculating oilwell produced fluid amount according to check-valves working condition, the volume entered sucker rod in mixed liquor is needed to calculate
In oilwell produced fluid amount, in each down stroke, the modified oilwell produced fluid amount is needed to be：
Formula（1）
Wherein, QIt repairsIt (i) is amendment Liquid output of the pumping unit i-th in down stroke, unit m3；
D is the diameter of sucker rod, unit mm；
L is pumping unit stroke, unit m；
T is the pumping unit i-th time that spool 20 rises in down stroke, unit s；
T is pumping unit period, unit s；
B0 is oil gas volume ratio；
According to pumping unit down stroke single Liquid output correction value, pass through formula（2）Daily fluid production rate correction value can be calculated：
Formula（2）
Wherein, QIt repairsFor the correction value of pumping unit daily fluid production rate, unit m3；
QIt repairsIt (i) is amendment Liquid output of the pumping unit i-th in down stroke, unit m3；
M is the number in period in pumping unit one day.
Beneficial effects of the present invention are：Securely and reliably, the data of acquisition both can live real-time display, can also be wirelessly transferred,
Staff real time inspection and can implement equipment working state, improve site problems reaction speed, avoid energy waste, reduction is set
Standby abrasion, meanwhile, can care testing device whether be opened, specific anti-theft function, and calculate Liquid output to according to check-valves
Formula provide modification method, greatly improve Liquid output computational accuracy.
Detailed description of the invention
Fig. 1 is electrical connection schematic diagram of the invention.
Fig. 2 is structural schematic diagram of the invention.
Wherein, 1 is temperature detecting unit, and 2 be vibration detecting unit, and 3 be pressure sensing cell, and 4 be tamper detection unit,
5 be spool position detection unit, and 6 be data display unit, and 7 be signal processing unit, and 8 be data storage cell, and 9 pass to be wireless
Defeated unit, 10 be power module, and 11 be fixation hole, and 12 be exploration hole, and 13 be detection hole, and 14 be magnet, and 15 be cover board, and 16 be finger
Show bar, 17 be liquid inlet, and 18 be Rubber shock-absorbing pad, and 19 be valve seat, and 20 be spool, and 21 be valve body, and 22 be liquid outlet, and 23 are
Valve chamber, 24 be spring, and 25 be pedestal, and 26 be mounting hole, and 27 be spool stroke chamber, and 28 be shield.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention will be described in detail.
A kind of device detecting check-valves working condition includes mechanical part and part of data acquisition, wherein mechanical part
Equipped with liquid inlet 17, liquid outlet 22, spool 20, valve seat 19, valve body 21, valve chamber 23, Rubber shock-absorbing pad 18, spring 24, refer to
Show bar 16, spool stroke chamber 27, cover board 15, pedestal 25, shield 28；Liquid inlet 17 is connect with liquid outlet 22 by valve body 21
Together；Valve seat 19 is located inside valve body 21, and liquid inlet 17 and liquid outlet 22 are linked together, and valve seat 19 can be from valve body
Replacement is split out in 21；Spool 20 is located at 19 top of valve seat, and moves up and down inside spool 20, and it is close that progress is contacted with valve seat 19
Envelope, can split out replacement from valve seat 19；The Rubber shock-absorbing pad 18 is located at 20 top of spool, and contacts with spool 20；Institute
The indicating arm 16 stated is located at 18 top of Rubber shock-absorbing pad and the two links together, and indicating arm 16 successively passes through spring 24, cover board
15, and enter in spool stroke chamber 27；Wherein, spool 20, Rubber shock-absorbing pad 18, spring 24, indicating arm 16 are located at valve chamber 23
In；Cover board 15 is located at 19 top of valve seat, and contacts with pedestal 25, and 25 top of pedestal is equipped with shield 28, and shield 28 acquires data
Part covers on inside, and part of data acquisition is equipped with temperature detecting unit 1, vibration detecting unit 2, pressure sensing cell 3, prevents opening and inspecting
Survey unit 4, spool position detection unit 5, wireless transmission unit 9, data storage cell 8, data display unit 6, respectively with letter
Number processing unit 7 connects, and is equipped with independent power module 10, detection hole needed for being equipped with temperature detecting unit 1 in pedestal 25
13, exploration hole 12, tamper detection unit 4 needed for fixation hole 11, spool position detection unit 5 needed for pressure sensing cell 3
Required mounting hole 26, wherein Hall sensor, metal detector, optoelectronic switch, pressure can be used in spool position detection unit 5
The position of force snesor detection spool 20；The temperature detecting unit 1 is connect with signal processing unit 7, for detecting non-return
Fluid temperature in valve；The vibration detecting unit 2 is connect with signal processing unit 7, for detecting the Vibration Condition of check-valves；
The pressure sensing cell 3 is connect with signal processing unit 7, for detecting the pressure in valve chamber 23；The tamper detection
Unit 4 is connect with signal processing unit 7, removes situation for detecting shield 28；The spool position detection unit 5 and signal
Processing unit 7 connects, for detecting 20 situation of movement of spool；The wireless transmission unit 9 is connect with signal processing unit 7,
For realizing data wireless transmission；The data storage cell 8 is connect with signal processing unit 7, for realizing depositing for data
Storage；The data display unit 6 is connect with signal processing unit 7, for showing collected data；The power module
10 be temperature detecting unit 1, vibration detecting unit 2, pressure sensing cell 3, tamper detection unit 4, spool position detection unit
5, power supply needed for wireless transmission unit 9, data storage cell 8, data display unit 6, signal processing unit 7 provide work.
The spool 20 and valve seat 19 is replaceable.
The indicating arm 16 passes through spring 24, cover board 15 and can move freely.
The spool stroke chamber 27 is connected to valve chamber 23.
The Rubber shock-absorbing pad 18 contacts under the action of spring 24 with spool 20.
The power module 10 is located in shield 28, and battery power supply can be used.
When calculating oilwell produced fluid amount according to check-valves working condition, the volume entered sucker rod in mixed liquor is needed to calculate
In oilwell produced fluid amount, in each down stroke, the modified oilwell produced fluid amount is needed to be：
Formula（1）
Wherein, QIt repairsIt (i) is amendment Liquid output of the pumping unit i-th in down stroke, unit m3；
D is the diameter of sucker rod, unit mm；
L is pumping unit stroke, unit m；
T is the pumping unit i-th time that spool 20 rises in down stroke, unit s；
T is pumping unit period, unit s；
B0 is oil gas volume ratio；
According to pumping unit down stroke single Liquid output correction value, pass through formula（2）Daily fluid production rate correction value can be calculated：
Formula（2）
Wherein, QIt repairsFor the correction value of pumping unit daily fluid production rate, unit m3；
QIt repairsIt (i) is amendment Liquid output of the pumping unit i-th in down stroke, unit m3；
M is the number in period in pumping unit one day.
The present invention is discussed in detail using the structure of Hall sensor detection check-valves working condition now in conjunction with Fig. 1 and Fig. 2.One
The device of kind detection check-valves working condition includes mechanical part and part of data acquisition, wherein mechanical part enters equipped with liquid
Mouth 17, liquid outlet 22, spool 20, valve seat 19, valve body 21, valve chamber 23, Rubber shock-absorbing pad 18, spring 24, indicating arm 16, spool
Stroke chamber 27, cover board 15, pedestal 25, shield 28；Liquid inlet 17 is linked together with liquid outlet 22 by valve body 21；Valve seat
19 are located inside valve body 21, liquid inlet 17 and liquid outlet 22 are linked together, valve seat 19 can directly be torn open from valve body 21
It replaces out；Spool 20 is located at 19 top of valve seat, can move up and down inside valve chamber 23, contact and be sealed with valve seat 19, can be from
Replacement is split out in valve seat 19；Rubber shock-absorbing pad 18 is located at 20 top of spool, and contacts with spool 20；Indicating arm 16 is located at rubber
18 top of resilient cushion and the two links together, indicating arm 16 successively passes through spring 24, cover board 15, and enters spool stroke chamber
In 27；Wherein, spool 20, Rubber shock-absorbing pad 18, spring 24, indicating arm 16 are located in valve chamber 23；Cover board 15 is located on valve seat 19
Side, and contacted with pedestal 25,25 top of pedestal is equipped with shield 28, and part of data acquisition is covered on inside, data acquisition by shield 28
Part is equipped with temperature detecting unit 1, vibration detecting unit 2, pressure sensing cell 3, tamper detection unit 4, spool position detection
Unit 5, wireless transmission unit 9, data storage cell 8, data display unit 6, connect with signal processing unit 7, and set respectively
There is an independent power module 10, needed for detection hole 13, pressure sensing cell 3 needed for being equipped with temperature detecting unit 1 in pedestal 25
Fixation hole 11, mounting hole 26 needed for exploration hole 12, tamper detection unit 4 needed for spool position detection unit 5, wherein
Spool position detection unit 5 is detected using Hall sensor.
In addition, Hall sensor, metal detector, optoelectronic switch, pressure sensor can be used in spool position detection unit 5
The position of spool 20 is detected, is described in a manner of using Hall sensor in embodiment, no longer describes herein, if using gold
Belong to detector and detect 20 position of spool, metal detector directly can be installed to 27 top of spool stroke chamber, when spool 20 moves up
When, drive indicating arm 16 to move up, indicating arm 16 is moved up close to metal detector, and metal detector is sent after detecting switching signal
To signal processing unit 7, signal processing unit 7 learns the situation of movement of spool 20 by switching signal；If opened using photoelectricity
The position of detection spool 20 is closed, optoelectronic switch should use U-typed structure, may be mounted to 27 top of spool stroke chamber, work as indicating arm
16 move up when obstructing the light, and optoelectronic switch provides switching signal, and is sent to signal processing unit 7, and signal processing unit 7 passes through
Switching signal learns the situation of movement of spool 20；If using the position of pressure sensor detection spool 20, by pressure sensor
It is installed to the top of indicating arm 16 and is contacted by matching sleeve spring 24 with indicating arm 16, when spool 20 moves up, make indicating arm 16
It moves up and compresses spring 24, to pressure sensor stress surface, pressure sensor is sent the signal to 24 Force feedback of spring
Signal processing unit 7, signal processing unit 7 can determine whether out the situation of movement of indicating arm 16, and then learn the mobile feelings of spool 20
Condition.
After the change in location for detecting check-valves according to the above aspect, add up to shift time on spool 20, it can basis
Following formula（3）Calculate pumping unit upstroke single Liquid output.
Formula（3）
Wherein, Q (i) is Liquid output of the pumping unit i-th in upstroke, unit m3；
D is oil pumping pump diameter, unit mm；
L is pumping unit stroke, unit m；
T is the time that 20 i-th of spool is moved up in upstroke, unit s；
T is pumping unit period, unit s；
B0 is oil gas volume ratio；
According to formula（3）The oilwell produced fluid amount being calculated is lower than actual measurement Liquid output, and calculated Liquid output needs
It is further added by due to a part of liquid that sucker rod enters oil well mixed liquor and overflows, therefore oilwell produced fluid amount is calculated according to check-valves
When, it needs to be modified Liquid output, correction amount is according to formula（1）It calculates, it is specific as follows：
Formula（1）
Wherein, QIt repairsIt (i) is amendment Liquid output of the pumping unit i-th in down stroke, unit m3；
D is the diameter of sucker rod, unit mm；
L is pumping unit stroke, unit m；
T is the pumping unit i-th time that spool 20 rises in down stroke, unit s；
T is pumping unit period, unit s；
B0 is oil gas volume ratio；
By formula（1）And formula（3）Merge, revised pumping unit a cycle Liquid output formula is calculated（4）：
Formula（4）
Wherein, Q (i) is Liquid output of the pumping unit i-th of period, unit m3；
D is oil pumping pump diameter, unit mm；
D is the diameter of sucker rod, unit mm；
L is pumping unit stroke, unit m；
T is pumping unit period, unit s；
B0 is oil gas volume ratio；
t1iFor the time that 20 i-th of spool moves up in pumping unit upstroke, unit s；
t2iFor the time that 20 i-th of spool moves up in pumping unit down stroke, unit s；
In formula（4）On the basis of, pass through formula（5）The revised daily fluid production rate of oil well can be calculated：
Formula（5）
Wherein, Q is the daily fluid production rate of pumping unit, unit m3；
Q (i) is Liquid output of the pumping unit within i-th of period, unit m3；
M is the number in period in pumping unit one day.
The present invention in practical application, oil-water-gas mixed liquor in stratum by pumping unit pumping to ground, pass through oil pipe
It is flow to check-valves, is entered inside check-valves from check-valves liquid inlet 17, during pumping unit upstroke, the pumping from bottom
Mixed liquor gradually increase, the pressure between oil pipe and check-valves also constantly increases, when pressure reaches a certain level, spool 20
The liquid of lower part holds up spool 20, and spool 20 moves up, and thrust is successively transferred to Rubber shock-absorbing pad 18, referred to by spool 20 when mobile
Show that bar 16, spring 24, indicating arm 16 are together by a threaded connection with Rubber shock-absorbing pad 18, spring 24 passes through indicating arm 16, bullet
24 one end of spring is contacted with cover board 15, and the other end is contacted with Rubber shock-absorbing pad 18, when the pressure of 20 bottom of spool is less than on spool 20
When the pressure in portion, under the action of spring 24, spool 20 is pressed into valve seat 19, spool 20 and valve seat 19 is sealed, prevents liquid
Body blows back into liquid inlet 17 from the liquid outlet 22 of check-valves；Indicating arm 16 can pass freely through cover board 15, due to the present embodiment
Middle spool position detection unit 5 detects the situation of movement of valve using Hall sensor principle, therefore installs at the top of indicating arm 16
One magnet 14, magnet 14 cannot pass through cover board 15, can be freely up and down movable in spool stroke chamber 27, and spool position detection is single
Member 5 is mounted in exploration hole 12, and for the ease of adjusting spool position detection unit 5 at a distance from magnet 14, spool position is examined
It surveys unit 5 to be fixed in a metallic rod, when adjusting position, it is only necessary to move up and down metallic rod position, spool stroke chamber 27
It is communicated with valve chamber 23 and pressure is consistent, after spool 20 moves up, signal processing unit 7 is detected single by spool position
Member 5 gets spool 20 and moves up information, and the timer inside enabling signal processing unit 7 moves up time counting to spool 20,
The liquid of inflow is flowed into oil pipe pipeline after flowing into valve chamber 23 by liquid outlet 22, when the pressure of 20 bottom of spool is less than valve
When the pressure on 20 top of core, under the action of spring 24, spool 20 is pressed into valve seat 19, seals spool 20 and valve seat 19,
Prevent liquid from blowing back into liquid inlet 17 from the liquid outlet 22 of check-valves, signal processing unit 7 detects single by spool position
Member 5 gets spool 20 and moves down, and stops internal timer count, can be calculated in pumping unit a cycle and be corrected by formula
The revised daily fluid production rate of pumping unit can be calculated according to formula in Liquid output afterwards.When mixed liquor flows through valve chamber 23, pass through
The pressure data being mounted in the real-time acquisition valve chamber 23 of the pressure sensing cell 3 at fixation hole 11, and the data of acquisition are transmitted
To signal processing unit 7；It, can liquid in real-time detection valve body 21 by the temperature detecting unit 1 being mounted in detection hole 13
Temperature, and signal processing unit 7 is sent data to, signal processing unit 7 receives pressure sensing cell 3, temperature detecting unit
1, it the signal of spool position detection unit 5 and is handled, collected data is saved to data storage cell 8, prevent from counting
Wireless transmission unit 9 can also be passed through convenient for checking by 6 real-time display of data display unit according to loss, and by the data of acquisition
Collected data are wirelessly sent；2 real-time detection of vibration detecting unit being connect with signal processing unit 7
The Vibration Condition of spool 20 when check-valves works, when 20 regular vibration of spool, signal processing unit 7 defaults check-valves work
Make the working condition that normally can be used as miscellaneous function detection check-valves；Check-valves shield 28 is destroyed or is stolen in order to prevent,
Tamper detection unit 4 is installed, tamper detection unit 4 is connect with signal processing unit 7, when shield 28 is installed normally at mounting hole 26
When, 4 output signal of tamper detection unit is high level, then signal processing unit 7 thinks that shield 28 is installed normally；When shield 28 meets with
To artificial destruction or it is stolen when, tamper detection unit 4 exports low level to signal processing unit 7, and signal processing unit 7 detects
To after the information, the information preservation to data storage cell 8 is shown in data display unit 6, and wirelessly will
The information is sent, and monitoring personnel is prompted to find in time, is handled in time, is prevented the part of data acquisition inside shield 28 from meeting with
To destruction, result in greater loss.For the ease of the maintenance and repair in later period, shield 28 can from pedestal 25 direct dismounting and change,
Pedestal 25 is threadably secured with valve body 21, and valve seat 19 and spool 20 can be replaced directly, can be more according to the Liquid output situation of oil well
Different spool 20 and valve seat 19 are changed, the adaptability of product is expanded.In addition, power module 10 is temperature detecting unit 1, vibration inspection
Survey unit 2, pressure sensing cell 3, tamper detection unit 4, spool position detection unit 5, wireless transmission unit 9, data storage
Battery power supply can be used in power supply needed for unit 8, data display unit 6, signal processing unit 7 provide work.
Claims (6)
1. a kind of device for detecting check-valves working condition includes mechanical part and part of data acquisition, it is characterised in that：Its
In, mechanical part is equipped with liquid inlet（17）, liquid outlet（22）, spool（20）, valve seat（19）, valve body（21）, valve chamber（23）,
Rubber shock-absorbing pad（18）, spring（24）, indicating arm（16）, spool stroke chamber（27）, cover board（15）, pedestal（25）, shield（28）；
Liquid inlet（17）With liquid outlet（22）Pass through valve body（21）It links together；Valve seat（19）Positioned at valve body（21）Inside, will
Liquid inlet（17）With liquid outlet（22）It links together, valve seat（19）It can be from valve body（21）In split out replacement；Spool（20）
Positioned at valve seat（19）Top, and in spool（20）Inside moves up and down, with valve seat（19）Contact is sealed, can be from valve seat（19）
In split out replacement；The Rubber shock-absorbing pad（18）Positioned at spool（20）Top, and and spool（20）Contact；The instruction
Bar（16）Positioned at Rubber shock-absorbing pad（18）Top and the two links together, indicating arm（16）Successively pass through spring（24）, cover board
（15）, and enter spool stroke chamber（27）In；Wherein, spool（20）, Rubber shock-absorbing pad（18）, spring（24）, indicating arm
（16）Positioned at valve chamber（23）In；Cover board（15）Positioned at valve seat（19）Top, and and pedestal（25）Contact, pedestal（25）Top is equipped with
Shield（28）, shield（28）Part of data acquisition is covered on into inside, part of data acquisition is equipped with temperature detecting unit（1）, vibration
Detection unit（2）, pressure sensing cell（3）, tamper detection unit（4）, spool position detection unit（5）, wireless transmission unit
（9）, data storage cell（8）, data display unit（6）, respectively with signal processing unit（7）Connection, and it is equipped with independent electricity
Source module（10）, pedestal（25）In be equipped with temperature detecting unit（1）Required detection hole（13）, pressure sensing cell（3）It is required
Fixation hole（11）, spool position detection unit（5）Required exploration hole（12）, tamper detection unit（4）Required mounting hole
（26）, wherein spool position detection unit（5）Hall sensor, metal detector, optoelectronic switch, pressure sensor can be used
Detect spool（20）Position；The temperature detecting unit（1）With signal processing unit（7）Connection, for detecting check-valves
Interior fluid temperature；The vibration detecting unit（2）With signal processing unit（7）Connection, for detecting the vibration feelings of check-valves
Condition；The pressure sensing cell（3）With signal processing unit（7）Connection, for detecting valve chamber（23）In pressure；Described
Tamper detection unit（4）With signal processing unit（7）Connection, for detecting shield（28）Remove situation；The spool position
Detection unit（5）With signal processing unit（7）Connection, for detecting spool（20）Situation of movement；The wireless transmission unit
（9）With signal processing unit（7）Connection, for realizing data wireless transmission；The data storage cell（8）With signal processing
Unit（7）Connection, for realizing the storage of data；The data display unit（6）With signal processing unit（7）Connection is used
In the collected data of display；The power module（10）For temperature detecting unit（1）, vibration detecting unit（2）, pressure inspection
Survey unit（3）, tamper detection unit（4）, spool position detection unit（5）, wireless transmission unit（9）, data storage cell
（8）, data display unit（6）, signal processing unit（7）Power supply needed for work is provided.
2. a kind of device for detecting check-valves working condition according to claim 1, it is characterised in that：The spool
（20）And valve seat（19）It is replaceable.
3. a kind of device for detecting check-valves working condition according to claim 1, it is characterised in that：The indicating arm
（16）Across spring（24）, cover board（15）And it can move freely.
4. a kind of device for detecting check-valves working condition according to claim 1, it is characterised in that：The spool row
Journey chamber（27）With valve chamber（23）Connection.
5. a kind of device for detecting check-valves working condition according to claim 1, it is characterised in that：The rubber subtracts
Shake pad（18）In spring（24）Under the action of with spool（20）Contact.
6. a kind of device for detecting check-valves working condition according to claim 1, it is characterised in that：The power supply mould
Block（10）Positioned at shield（28）In, battery power supply can be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421758.6U CN208138569U (en) | 2018-03-27 | 2018-03-27 | A kind of device detecting check-valves working condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421758.6U CN208138569U (en) | 2018-03-27 | 2018-03-27 | A kind of device detecting check-valves working condition |
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| Publication Number | Publication Date |
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| CN208138569U true CN208138569U (en) | 2018-11-23 |
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| CN201820421758.6U Active CN208138569U (en) | 2018-03-27 | 2018-03-27 | A kind of device detecting check-valves working condition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253190A (en) * | 2018-03-27 | 2018-07-06 | 王艳霞 | A kind of device for detecting check-valves working condition |
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2018
- 2018-03-27 CN CN201820421758.6U patent/CN208138569U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253190A (en) * | 2018-03-27 | 2018-07-06 | 王艳霞 | A kind of device for detecting check-valves working condition |
| WO2019184003A1 (en) * | 2018-03-27 | 2019-10-03 | 王艳霞 | Device for detecting working state of check valve |
| CN108253190B (en) * | 2018-03-27 | 2024-04-23 | 王艳霞 | Device for detecting working state of check valve |
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