CN206515048U - Unidirectional valve breakdown detecting system - Google Patents
Unidirectional valve breakdown detecting system Download PDFInfo
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- CN206515048U CN206515048U CN201720096880.6U CN201720096880U CN206515048U CN 206515048 U CN206515048 U CN 206515048U CN 201720096880 U CN201720096880 U CN 201720096880U CN 206515048 U CN206515048 U CN 206515048U
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Abstract
The utility model discloses unidirectional valve breakdown detecting system, including main pump body and detection means, main pump body includes the entrance valve chamber, control room, outlet valve chamber being sequentially connected；Entrance valve chamber one end is connected with water inlet pipe, and the other end is connected with control room, and outlet valve chamber one end is connected with control room, and the other end is connected in outlet pipe；The junction of entrance valve chamber and water inlet pipe, is provided with inlet one-way valve；Valve chamber and control room junction are exported, Outlet check valves are provided with；Barrier film is provided with control room, control room is divided into transfer chamber and chamber of septum, described chamber of septum one end open is provided with piston at opening, and piston is driven closure of openings, piston by power set；Detection means includes pressure sensor, data processing equipment, warning device；Pressure sensor is arranged in chamber of septum, and pressure sensor is connected by data processing equipment with warning device.The utility model can effectively find unidirectional valve breakdown, and alarm.
Description
Technical field
The utility model is related to pipeline field, and in particular to unidirectional valve breakdown detecting system.
Background technology
" long-distance iron ore concentrate pipeline conveying " is emerging, new high-tech industry, is low-carbon, the bright spot of green economy.This work
The core that skill is realized is the pressurized equipment main pump of pumping plants at different levels.Each pumping plant main pump safety and steady is run, and is to ensure long range iron
The basis of concentrate pipeline transportation.Its principle is to reach amplified medium pressure by changing the volume of equal quality liquid medium,
Promotion medium is in the duct with certain speed flow forward.Check valve is that step is realized in the most important operation of main pump operation logic,
Check valve is the wearing detail of main pump, and the loss of check valve is excessive --- unidirectional valve breakdown is to be easy to occur during main pump is run, and
To realizing capital equipment --- the main pump that long-distance iron ore concentrate pipeline conveying technique is realized, mostly important equipment fault is influenceed.
Utility model content
The purpose of this utility model is to provide unidirectional valve breakdown detecting system, solved in long-distance iron ore concentrate pipeline conveying
In existing main pump the problem of occur to find in time during unidirectional valve breakdown.
To solve above-mentioned technical problem, the utility model uses following technical scheme：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber, control room, outlet valve chamber；Entrance valve chamber one end is connected with water inlet pipe, and the other end is connected with control room, outlet valve
Room one end is connected with control room, and the other end is connected in outlet pipe；
In the junction of described entrance valve chamber and water inlet pipe, inlet one-way valve is provided with, described inlet one-way valve is led
It is from water inlet pipe to entrance valve chamber to flow direction；In described outlet valve chamber and control room junction, Outlet check valves are provided with, institute
The Outlet check valves water conservancy diversion direction stated be from control room to outlet valve chamber；
Barrier film is provided with described control room, control room is divided into transfer chamber and chamber of septum, described transfer chamber by barrier film
Upper and lower opening, is connected, described chamber of septum one end open is provided with work at opening with outlet valve chamber and entrance valve chamber respectively
Plug, piston is by closure of openings, and the piston is driven by power set；
Described detection means includes pressure sensor, data processing equipment, warning device；Pressure sensor be arranged on every
In film room, pressure sensor is connected by data processing equipment with warning device.
It is, to entrance valve chamber, then to transfer chamber, then to outlet valve chamber, to finally enter by water inlet pipe to transmit medium direction of transfer
Outlet pipe.Propulsion liquid is filled in chamber of septum, according to stress balance, the propulsion liquid pressure on barrier film both sides is equal to transmission medium pressure
By force, the piston in chamber of septum moves reciprocatingly, and is moved after piston driving propulsion liquid, drives and is moved after barrier film so that transmission building volume
Increase, pressure is reduced, and Outlet check valves are closed in the presence of transmission medium recoil, and barrier film is under propulsion liquid pressure reduction effect
Continue to retreat, transmission pressure medium is persistently reduced, be reduced to transmission pressure medium and promote inlet one-way valve to open, into transfer chamber
Supplemented, when inlet one-way valve is opened to maximum, transmission medium occupies transfer chamber maximum volume, now transmits medium pressure
It is minimum in transfer chamber, the pressure sensor in chamber of septum draws transmission by detecting propulsion liquid pressure in chamber of septum
Medium pressure, the one-shot stroke pressure now measured is minimum.Piston drives propulsion liquid to advance towards barrier film again so that barrier film advances,
So that transmission building volume reduces, pressure increase, inlet one-way valve is closed, and barrier film constantly advances, and transmission medium pressure constantly increases
To promoting Outlet check valves to open, when Outlet check valves are opened to maximum, transmission medium occupies transfer chamber minimum volume, now
Transmission medium pressure be in transfer chamber it is maximum, the pressure sensor in chamber of septum by detecting propulsion liquid pressure in chamber of septum,
And then transmission medium pressure is drawn, the one-shot stroke pressure now measured is maximum.So in this single-stroke, no matter entrance is unidirectional
Valve or Outlet check valves have punch-through, can not all make transfer chamber formation confined space, pressure of the transmission medium in transfer chamber
Just always it is less than the average of the maximum pressure of n times stroke before the short time, more than the minimum pressure of n times stroke before the short time.Pressure
Force snesor sends data to data processing equipment, is rushed when pressure sensor measures chamber of septum propulsion liquid pressure less than preceding n times
The certain proportion of the average of journey maximum pressure, so that it may judge that inlet one-way valve punctures, is promoted when pressure sensor measures film room
The certain proportion of the powerful average in preceding n times stroke maximum pressure of hydraulic pressure, so that it may judge that Outlet check valves puncture.Data processing
Equipment transmits signal to warning device again, and warning device is alarmed, and operating personnel can then learn unidirectionally according to warning message
The breakdown situation of valve.
Preferably, described chamber of septum offers steam vent, barrier film chamber outer wall is passed to by barrier film chamber interior walls, in steam vent
Exit be provided with air bleeding valve.Air bleeding valve is usually closed, and when propulsion liquid is changed in chamber of septum, first opens air bleeding valve
It is exhausted, the inside and outside pressure of balance, it is to avoid propulsion liquid is sprayed.
Preferably, described pressure sensor is arranged in steam vent.Pressure sensing then is installed without carrying out perforate again
Device so that the inwall of chamber of septum is more smooth, beneficial to running and cleaning.
Preferably, described inlet one-way valve includes head rod, the first spring, first baffle, head rod
Inlet valve chamber interior walls are fixed on, described first baffle is connected by the first spring with head rod, the first spring is in compression
State, promotes first baffle from entrance valve chamber to water inlet pipe, the junction of entrance valve chamber and water inlet pipe is blocked；
Described Outlet check valves include second spring, second baffle, and second spring one end is fixed in Outlet check valves
Wall, the other end is connected with second baffle, and second spring is in compressive state, and promotes second baffle from outlet valve chamber to control room,
The junction for exporting valve chamber and control room is blocked.
When transmission intraventricular pressure reduces by force, second spring simultaneously promotes second baffle to block up the junction for exporting valve chamber and control room
On, Outlet check valves are closed；Transmission medium in inlet valve room promotes first baffle so that the first spring further compresses, and makes
The junction that first baffle departs from entrance valve chamber and water inlet pipe is obtained, inlet one-way valve is opened.Using spring and baffle fit, it is ensured that
The closure of inlet one-way valve and Outlet check valves, while the cooperation of two check valves, it is ensured that to transmitting medium in transfer chamber
The detection of pressure.
Preferably, in entrance valve chamber and water inlet pipe junction, inlet valve chamber interior walls offer stopper slot, described first
It is provided with baffle plate in the first gag lever post, the first gag lever post insertion stopper slot；In the junction of outlet valve chamber and control room, outlet
Valve chamber inwall offers and the second gag lever post is provided with stopper slot, described second baffle, in the second gag lever post insertion stopper slot.
When the first spring and second spring contraction, the first gag lever post and the second gag lever post are moved in stopper slot, and stopper slot is limited first
Position bar and the second gag lever post play spacing effect, it is ensured that when the first spring and second spring stretching, first baffle and second gear
Plate energy parking position accuracy, plays good sealing.
Preferably, bellow-type expansion joint is also associated between described entrance valve chamber and water inlet pipe, described outlet valve chamber
Bellow-type expansion joint is also connected between outlet pipe.Due to the motion of chamber of septum inner carrier, it is thus possible to cause the light of whole device
Micro- shake, to avoid the abrasion between entrance valve chamber and water inlet pipe and between outlet valve chamber and outlet pipe, increases bellows
Section, has eliminated the influence of shake.
Compared with prior art, the utility model can at least produce a kind of following beneficial effect：The utility model can have
Main pump maintenance downtime of the reduction of effect caused by the unidirectional valve breakdown of main pump, reduce because equipment downtime and caused by damp production
Risk；The utility model can effectively find unidirectional valve breakdown, in time processing, prevent medium milling from hindering entrance valve chamber and outlet valve
Room, reduces and changes spare parts cost；The utility model is monitored in real time, reduces the breakdown judge mistake that subjective factor is caused, Neng Gou
Failure cause is found in shortest time, it is to avoid unnecessary operation, shorten the repair time, reduce production cost, improve production effect
Rate；The utility model is opened air bleeding valve when propulsion liquid is changed in chamber of septum, first and is exhausted, the inside and outside pressure of balance,
Propulsion liquid is avoided to spray；The utility model installs pressure sensor without carrying out perforate again so that the inwall of chamber of septum more light
It is sliding, beneficial to running and cleaning；The utility model uses spring and baffle fit, it is ensured that the envelope of inlet one-way valve and Outlet check valves
Closing property, while the cooperation of two check valves, it is ensured that the detection to transmitting medium pressure in transfer chamber；The utility model stopper slot
Spacing effect is played to the first gag lever post and the second gag lever post, it is ensured that when the first spring and second spring stretching, first baffle
And second baffle energy parking position accuracy, play good sealing；The utility model increase bellow-type expansion joint, it is to avoid device it is slight
Shake to the abrasion between entrance valve chamber and water inlet pipe and between outlet valve chamber and outlet pipe.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Fig. 1 shows the structure of such a unidirectional valve breakdown detecting system, and several embodiments are enumerated with reference to legend.
Embodiment 1：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5；
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3；
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In chamber of septum 10, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Embodiment 2：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5.
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3.
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；Described chamber of septum 10 is offered
Steam vent 13, passes to the outer wall of chamber of septum 10 by the inwall of chamber of septum 10, the exit of steam vent 13 is provided with air bleeding valve 14.Exhaust
Valve 14 is closed when flat, when propulsion liquid is changed in chamber of septum 10, is first opened air bleeding valve 14 and is exhausted, external pressure in balance
By force, it is to avoid propulsion liquid is sprayed.
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In chamber of septum 10, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Embodiment 3：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5.
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3.
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；Described chamber of septum 10 is offered
Steam vent 13, passes to the outer wall of chamber of septum 10 by the inwall of chamber of septum 10, the exit of steam vent 13 is provided with air bleeding valve 14.Exhaust
Valve 14 is closed when flat, when propulsion liquid is changed in chamber of septum 10, is first opened air bleeding valve 14 and is exhausted, external pressure in balance
By force, it is to avoid propulsion liquid is sprayed.
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In the steam vent 13 of chamber of septum 10.Pressure sensor 12 then is installed without carrying out perforate again so that the inwall of chamber of septum 10 is more
To be smooth, beneficial to running and clean, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Embodiment 4：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5.
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3.Described inlet one-way valve 6 includes the
One connecting rod 15, the first spring 16, first baffle 17, head rod 15 are fixed on the inwall of entrance valve chamber 1, described first gear
Plate 17 is connected by the first spring 16 with head rod 15, and the first spring 16 is in compressive state, promotes first baffle 17 by entering
Mouth valve chamber 1 blocks the junction of entrance valve chamber 1 and water inlet pipe 4 to water inlet pipe 4；
Described Outlet check valves 7 include second spring 18, second baffle 19, and it is single that the one end of second spring 18 is fixed on outlet
To the inwall of valve 7, the other end is connected with second baffle 19, and second spring 18 is in compressive state, and promotes second baffle 19 by exporting
Valve chamber 3 blocks the junction for exporting valve chamber 3 and control room 2 to control room 2.
When pressure reduces in transfer chamber 9, second spring 18 simultaneously promotes second baffle 19 to export valve chamber 3 and control room 2
Junction is blocked, and Outlet check valves 7 are closed；Transmission medium in entrance valve chamber 1 promotes first baffle 17 so that the first spring 16
Further compression so that first baffle 17 departs from the junction of entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6 is opened.Using
Spring and baffle fit, it is ensured that the closure of inlet one-way valve 6 and Outlet check valves 7, while the cooperation of two check valves, it is ensured that
Detection to transmission medium pressure in transfer chamber 9.
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；Described chamber of septum 10 is offered
Steam vent 13, passes to the outer wall of chamber of septum 10 by the inwall of chamber of septum 10, the exit of steam vent 13 is provided with air bleeding valve 14.Exhaust
Valve 14 is closed when flat, when propulsion liquid is changed in chamber of septum 10, is first opened air bleeding valve 14 and is exhausted, external pressure in balance
By force, it is to avoid propulsion liquid is sprayed.
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In the steam vent 13 of chamber of septum 10.Pressure sensor 12 then is installed without carrying out perforate again so that the inwall of chamber of septum 10 is more
To be smooth, beneficial to running and clean, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Embodiment 5：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5.
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3.Described inlet one-way valve 6 includes the
One connecting rod 15, the first spring 16, first baffle 17, head rod 15 are fixed on the inwall of entrance valve chamber 1, described first gear
Plate 17 is connected by the first spring 16 with head rod 15, and the first spring 16 is in compressive state, promotes first baffle 17 by entering
Mouth valve chamber 1 blocks the junction of entrance valve chamber 1 and water inlet pipe 4 to water inlet pipe 4；
Described Outlet check valves 7 include second spring 18, second baffle 19, and it is single that the one end of second spring 18 is fixed on outlet
To the inwall of valve 7, the other end is connected with second baffle 19, and second spring 18 is in compressive state, and promotes second baffle 19 by exporting
Valve chamber 3 blocks the junction for exporting valve chamber 3 and control room 2 to control room 2.
When pressure reduces in transfer chamber 9, second spring 18 simultaneously promotes second baffle 19 to export valve chamber 3 and control room 2
Junction is blocked, and Outlet check valves 7 are closed；Transmission medium in entrance valve chamber 1 promotes first baffle 17 so that the first spring 16
Further compression so that first baffle 17 departs from the junction of entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6 is opened.Using
Spring and baffle fit, it is ensured that the closure of inlet one-way valve 6 and Outlet check valves 7, while the cooperation of two check valves, it is ensured that
Detection to transmission medium pressure in transfer chamber 9.In entrance valve chamber 1 and the junction of water inlet pipe 4, the inwall of entrance valve chamber 1 is opened up
It is provided with limited location groove, described first baffle 17 in first gag lever post 20, the first gag lever post 20 insertion stopper slot；In outlet
The junction of valve chamber 3 and control room 2, the outlet inwall of valve chamber 3 is offered is provided with second on stopper slot, described second baffle 19
In gag lever post 21, the second gag lever post 21 insertion stopper slot.First spring 16 and second spring 18 contraction when, the first gag lever post 20 and
Second gag lever post 21 is moved in stopper slot, and stopper slot plays spacing effect to the first gag lever post 20 and the second gag lever post 21,
When ensuring the first spring 16 and the stretching of second spring 18, first baffle 17 and the energy parking position accuracy of second baffle 19 play good
Sealing.
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；Described chamber of septum 10 is offered
Steam vent 13, passes to the outer wall of chamber of septum 10 by the inwall of chamber of septum 10, the exit of steam vent 13 is provided with air bleeding valve 14.Exhaust
Valve 14 is closed when flat, when propulsion liquid is changed in chamber of septum 10, is first opened air bleeding valve 14 and is exhausted, external pressure in balance
By force, it is to avoid propulsion liquid is sprayed.
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In the steam vent 13 of chamber of septum 10.Pressure sensor 12 then is installed without carrying out perforate again so that the inwall of chamber of septum 10 is more
To be smooth, beneficial to running and clean, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Optimum embodiment：
Unidirectional valve breakdown detecting system, including main pump body and detection means, described main pump body include being sequentially connected
Entrance valve chamber 1, control room 2, outlet valve chamber 3；The one end of entrance valve chamber 1 is connected with water inlet pipe 4, and the other end is connected with control room 2,
Outlet one end of valve chamber 3 is connected with control room 2, and the other end is connected in outlet pipe 5.Between described entrance valve chamber 1 and water inlet pipe 4 also
Bellow-type expansion joint is connected with, bellow-type expansion joint is also connected between described outlet valve chamber 3 and outlet pipe 5.Due to chamber of septum 10
Inner carrier 11 is moved, it is thus possible to cause the slight jitter of whole device, to avoid between entrance valve chamber 1 and water inlet pipe 4 and
The abrasion between valve chamber 3 and outlet pipe 5 is exported, increases bellow-type expansion joint, has eliminated the influence of shake.
In the junction of described entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6, described inlet one-way valve are provided with
6 water conservancy diversion directions are from water inlet pipe 4 to entrance valve chamber 1；In described outlet valve chamber 3 and the junction of control room 2, outlet is provided with single
To valve 7, the described water conservancy diversion direction of Outlet check valves 7 is from control room 2 to outlet valve chamber 3.Described inlet one-way valve 6 includes the
One connecting rod 15, the first spring 16, first baffle 17, head rod 15 are fixed on the inwall of entrance valve chamber 1, described first gear
Plate 17 is connected by the first spring 16 with head rod 15, and the first spring 16 is in compressive state, promotes first baffle 17 by entering
Mouth valve chamber 1 blocks the junction of entrance valve chamber 1 and water inlet pipe 4 to water inlet pipe 4；
Described Outlet check valves 7 include second spring 18, second baffle 19, and it is single that the one end of second spring 18 is fixed on outlet
To the inwall of valve 7, the other end is connected with second baffle 19, and second spring 18 is in compressive state, and promotes second baffle 19 by exporting
Valve chamber 3 blocks the junction for exporting valve chamber 3 and control room 2 to control room 2.
When pressure reduces in transfer chamber 9, second spring 18 simultaneously promotes second baffle 19 to export valve chamber 3 and control room 2
Junction is blocked, and Outlet check valves 7 are closed；Transmission medium in entrance valve chamber 1 promotes first baffle 17 so that the first spring 16
Further compression so that first baffle 17 departs from the junction of entrance valve chamber 1 and water inlet pipe 4, inlet one-way valve 6 is opened.Using
Spring and baffle fit, it is ensured that the closure of inlet one-way valve 6 and Outlet check valves 7, while the cooperation of two check valves, it is ensured that
Detection to transmission medium pressure in transfer chamber 9.In entrance valve chamber 1 and the junction of water inlet pipe 4, the inwall of entrance valve chamber 1 is opened up
It is provided with limited location groove, described first baffle 17 in first gag lever post 20, the first gag lever post 20 insertion stopper slot；In outlet
The junction of valve chamber 3 and control room 2, the outlet inwall of valve chamber 3 is offered is provided with second on stopper slot, described second baffle 19
In gag lever post 21, the second gag lever post 21 insertion stopper slot.First spring 16 and second spring 18 contraction when, the first gag lever post 20 and
Second gag lever post 21 is moved in stopper slot, and stopper slot plays spacing effect to the first gag lever post 20 and the second gag lever post 21,
When ensuring the first spring 16 and the stretching of second spring 18, first baffle 17 and the energy parking position accuracy of second baffle 19 play good
Sealing.
It is provided with barrier film 8 in described control room 2,2 points of control room is transfer chamber 9 and chamber of septum 10 by barrier film 8, described
The upper and lower opening of transfer chamber 9, is connected, the described one end open of chamber of septum 10, in opening with outlet valve chamber 3 and entrance valve chamber 1 respectively
Place is provided with piston 11, and piston 11 is by closure of openings, and the piston 11 is driven by power set；Described chamber of septum 10 is offered
Steam vent 13, passes to the outer wall of chamber of septum 10 by the inwall of chamber of septum 10, the exit of steam vent 13 is provided with air bleeding valve 14.Exhaust
Valve 14 is closed when flat, when propulsion liquid is changed in chamber of septum 10, is first opened air bleeding valve 14 and is exhausted, external pressure in balance
By force, it is to avoid propulsion liquid is sprayed.
Described detection means includes pressure sensor 12, data processing equipment, warning device；Pressure sensor 12 is set
In the steam vent 13 of chamber of septum 10.Pressure sensor 12 then is installed without carrying out perforate again so that the inwall of chamber of septum 10 is more
To be smooth, beneficial to running and clean, pressure sensor 12 is connected by data processing equipment with warning device.
It is to entrance valve chamber 1, then to transfer chamber 9, then to outlet valve chamber 3, finally by water inlet pipe 4 to transmit medium direction of transfer
Into outlet pipe 5.The filling propulsion liquid in chamber of septum 10, according to stress balance, the propulsion liquid pressure on the both sides of barrier film 8 is equal to transmission
Piston 11 in medium pressure, chamber of septum 10 moves reciprocatingly, and is moved after piston 11 drives propulsion liquid, drives and is moved after barrier film 8, is made
The increase of the volume of transfer chamber 9 is obtained, pressure is reduced, the closing in the presence of transmission medium recoil of Outlet check valves 7, barrier film 8 is being promoted
Hydraulic coupling reduction effect is lower to be continued to retreat, and transmission pressure medium is persistently reduced, and is reduced to transmission pressure medium and is promoted entrance unidirectional
Valve 6 is opened, and is supplemented into transfer chamber 9, when inlet one-way valve 6 is opened to maximum, and it is maximum that transmission medium occupies transfer chamber 9
Volume, it is minimum in transfer chamber 9 now to transmit medium pressure, and the pressure sensor 12 in chamber of septum 10 is by detecting chamber of septum
Propulsion liquid pressure in 10, and then transmission medium pressure is drawn, the one-shot stroke pressure now measured is minimum.Piston 11 drives and promoted again
Liquid advances towards barrier film 8 so that barrier film 8 advances so that the volume of transfer chamber 9 reduces, and pressure increase, inlet one-way valve 6 is closed, every
Film 8 constantly advances, and transmission medium pressure constantly increases to promotion Outlet check valves 7 and opened, when Outlet check valves 7 are opened to maximum
When, transmission medium occupies the minimum volume of transfer chamber 9, and it is maximum now to transmit medium pressure in transfer chamber 9, in chamber of septum 10
Pressure sensor 12 draws transmission medium pressure, the one-shot now measured by detecting propulsion liquid pressure in chamber of septum 10
Stroke pressure is maximum.So in this single-stroke, no matter inlet one-way valve 6 or Outlet check valves 7 have punch-through, all can not
Make the formation confined space of transfer chamber 9, the maximum of transmission medium 10 strokes before the pressure of transfer chamber 9 is just always less than the short time
The average of pressure, more than the minimum pressure of 10 strokes before the short time.Pressure sensor 12 sends data to data processing
Equipment, when pressure sensor 12 measures the average that the propulsion liquid pressure of chamber of septum 10 is less than preceding 10 stroke maximum pressures, difference
3% averaged out, so that it may judge that inlet one-way valve 6 punctures, when pressure sensor 12 measure the advancing hydraulic pressure of film room 10 it is powerful in
The average of preceding 10 stroke maximum pressures, difference average out 3%, so that it may judge that Outlet check valves 7 puncture.At data
Manage equipment and transmit signal to warning device again, warning device is alarmed, and operating personnel then can learn list according to warning message
To the breakdown situation of valve.
Multiple explanatory embodiments spoken of in this manual, refer to combining the concrete structure bag that the embodiment is described
Include at least one embodiment that the application generality is described.It is not certain that statement of the same race, which occur, in multiple places in the description
Refer to same embodiment.Furthermore, it is understood that when describing a structure with reference to any one embodiment, what is advocated is to combine
Other embodiment realizes that this structure falls in the range of the utility model.
Claims (6)
1. unidirectional valve breakdown detecting system, including main pump body and detection means, it is characterised in that：Described main pump body bag
Include the entrance valve chamber being sequentially connected（1）, control room（2）, outlet valve chamber（3）；Entrance valve chamber（1）One end and water inlet pipe（4）Connection,
The other end and control room（2）Connection, exports valve chamber（3）One end and control room（2）Connection, the other end is in outlet pipe（5）Connection；
In described entrance valve chamber（1）With water inlet pipe（4）Junction, be provided with inlet one-way valve（6）, described entrance is unidirectional
Valve（6）Water conservancy diversion direction is by water inlet pipe（4）To entrance valve chamber（1）；In described outlet valve chamber（3）With control room（2）Junction,
It is provided with Outlet check valves（7）, described Outlet check valves（7）Water conservancy diversion direction is by control room（2）To outlet valve chamber（3）；
Described control room（2）Inside it is provided with barrier film（8）, barrier film（8）By control room（2）It is divided into transfer chamber（9）And chamber of septum
（10）, described transfer chamber（9）Upper and lower opening, respectively with outlet valve chamber（3）And entrance valve chamber（1）Connection；Described chamber of septum
（10）One end open, is provided with piston at opening（11）, piston（11）By closure of openings, the piston（11）By power set
Drive；
Described detection means includes pressure sensor（12）, data processing equipment, warning device；Pressure sensor（12）Set
In chamber of septum（10）It is interior, pressure sensor（12）It is connected by data processing equipment with warning device.
2. unidirectional valve breakdown detecting system according to claim 1, it is characterised in that：Described chamber of septum（10）Offer
Steam vent（13）, by chamber of septum（10）Inwall passes to chamber of septum（10）Outer wall, in steam vent（13）Exit be provided with exhaust
Valve（14）.
3. unidirectional valve breakdown detecting system according to claim 2, it is characterised in that：Described pressure sensor（12）If
Put in steam vent（13）It is interior.
4. unidirectional valve breakdown detecting system according to claim 1, it is characterised in that：Described inlet one-way valve（6）Bag
Include head rod（15）, the first spring（16）, first baffle（17）, head rod（15）It is fixed on entrance valve chamber（1）It is interior
Wall, described first baffle（17）Pass through the first spring（16）With head rod（15）Connection, the first spring（16）In compression
State, promotes first baffle（17）By entrance valve chamber（1）To water inlet pipe（4）, by entrance valve chamber（1）With water inlet pipe（4）Connection
Place is blocked；
Described Outlet check valves（7）Including second spring（18）, second baffle（19）, second spring（18）One end is fixed on out
Mouth check valve（7）Inwall, the other end and second baffle（19）Connection, second spring（18）In compressive state, and promote second gear
Plate（19）By outlet valve chamber（3）To control room（2）, valve chamber will be exported（3）With control room（2）Junction block.
5. unidirectional valve breakdown detecting system according to claim 4, it is characterised in that：In entrance valve chamber（1）With water inlet pipe
（4）Junction, entrance valve chamber（1）Inwall offers stopper slot, described first baffle（17）On be provided with the first gag lever post
（20）, the first gag lever post（20）Insert in stopper slot；In outlet valve chamber（3）With control room（2）Junction, export valve chamber（3）
Inwall offers stopper slot, described second baffle（19）On be provided with the second gag lever post（21）, the second gag lever post（21）Insertion
In stopper slot.
6. unidirectional valve breakdown detecting system according to claim 1, it is characterised in that：Described entrance valve chamber（1）With entering
Water pipe（4）Between be also associated with bellow-type expansion joint, described outlet valve chamber（3）With outlet pipe（5）Between be also connected with ripple and stretch
Casing coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096880.6U CN206515048U (en) | 2017-01-25 | 2017-01-25 | Unidirectional valve breakdown detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096880.6U CN206515048U (en) | 2017-01-25 | 2017-01-25 | Unidirectional valve breakdown detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN206515048U true CN206515048U (en) | 2017-09-22 |
Family
ID=59866090
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096880.6U Active CN206515048U (en) | 2017-01-25 | 2017-01-25 | Unidirectional valve breakdown detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596091A (en) * | 2017-01-25 | 2017-04-26 | 云南大红山管道有限公司 | Non-return valve breakdown detection system |
| CN109724793A (en) * | 2018-12-21 | 2019-05-07 | 云南大红山管道有限公司 | Piston-diaphragm pump one-way valve fault automatic detection device |
-
2017
- 2017-01-25 CN CN201720096880.6U patent/CN206515048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596091A (en) * | 2017-01-25 | 2017-04-26 | 云南大红山管道有限公司 | Non-return valve breakdown detection system |
| CN109724793A (en) * | 2018-12-21 | 2019-05-07 | 云南大红山管道有限公司 | Piston-diaphragm pump one-way valve fault automatic detection device |
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