CN209026304U - A kind of leakproof water compensating valve with drainage function - Google Patents
A kind of leakproof water compensating valve with drainage function Download PDFInfo
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- CN209026304U CN209026304U CN201821628816.9U CN201821628816U CN209026304U CN 209026304 U CN209026304 U CN 209026304U CN 201821628816 U CN201821628816 U CN 201821628816U CN 209026304 U CN209026304 U CN 209026304U
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Abstract
The utility model relates to a kind of leakproof water compensating valve with drainage function, including valve body；Core assembly, actuating station control medium fill into the circulation and disconnection of channel and medium leakage path；Pressure sensor and flow sensor；Controller is compared based on the feedback data of pressure sensor and systemic presupposition data, and is acted based on comparing result and reasoning from logic control valve core component.Flow sensor and pressure sensor in the leakproof water compensating valve are used to supplement total amount to the medium in closed circulation system and pressure parameter is monitored, when monitoring the medium total amount or pressure change of closed circulation system, core assembly movement is automatically controlled according to the monitoring result by controller, total amount is supplemented to the medium in closed circulation system repeatedly and pressure parameter is monitored, judges that closed circulation system is normal supplement medium or leakage；To realize automation supplement medium, find leakage in time and alarm, medium of releasing in time prevents from losing widened function.
Description
Technical field
The present invention relates to valve field more particularly to a kind of moisturizing of closed circulation system, tonifying Qi, repairing or other Jie
The device of matter closes medium in time and fills into the channel and medium in closed system is fast when in particular to closed system leaks
Speed releases to exterior space or releases into reserved collection device, while providing alarm signal.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.Such as, Authorization Notice No. is one disclosed in the utility model patent of CN205980165 U to the prior art
Kind device, including microswitch are placed in motor-driven valve front end, and control unit is judged as closed system leak according only to its 30S signal,
Correctness is very poor, for example external cuts off the water supply and when system micro- leakage will malfunction.The reality that authorized application number is 201621355876.9
A kind of disclosed in new patent device, magnetic switch and control panel including detecting water flow on-off, setting time judge
Whether leak, hence it is evident that the leakage of short time big flow can not be prevented, and the time is defined to use and makes troubles, and does not also have for enclosed
System water supplement, tonifying Qi, repairing or other media function.The utility model patent that authorized application number is 201620247963.6
A kind of disclosed device, include flow measurement device and control panel, the automatically controlled water leakage preventing valve by single continuous water supply into
The quantitative control of row, guarantees that people normally use water, be judged as when beyond setting water consumption it is unexpected metal run out or leak, to water consumption wave
Moving big place can not adapt to.Therefore, there is also defects for valve in the prior art, are not provided simultaneously with following functions: 1) being
The normal moisturizing of closed system, tonifying Qi, repairing or other materials, 2) it finds and alarms in time when closed system leaks, 3)
Minute leakage, which occurs, for system can not but find leak source, and when the leakage does not generate intolerable loss, have fault tolerance.
In order to solve the above-mentioned technical problem, application No. is the hairs of " 2018111166687 " in submitting portion a few days ago by applicant
Bright patent application, inside describe a kind of leakproof water compensating valve and extremely detect control method, are able to solve above-mentioned technical problem.?
On this basis, applicant thinks leakproof water compensating valve, and there is also some shortcomings, i.e., when closed system is in big leakage state,
Even if closing leakproof water compensating valve in time, original dielectric leakage in closed system is also resulted in, is easy to lead to larger economic loss.
Therefore, applicant improves on the basis of above scheme, and obtained leakproof water compensating valve can be leaked in closed system
When, medium is closed in time to be filled into channel and the medium in closed system is quickly released to exterior space or is released to reserved receipts
In acquisition means,
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of leakproof water compensating valve and its detection control method,
Sensor (including flow sensor and pressure sensor) in the leakproof water compensating valve is used for the medium in closed circulation system
Supplement total amount and Fluid pressure are monitored, and automatically control core assembly movement according to the monitoring result by controller, thus
1) realization is automatically replenished medium；2) system leak is found in time；3) cutting medium supplementary source prevents a greater amount of leakages；4) occur
The medium in closed system is quickly released to exterior space or is released into reserved collection device when leakage, 5) it is tolerable
Minute leakage takes fault-tolerant measure when can not find leak source.6) contact signal and alarm signal are provided, is quickly taken convenient for user
Measure discharges closed system medium, prevents loss from expanding.
In order to achieve the above purpose, present invention employs technical solutions below:
A kind of leakproof water compensating valve with drainage function, it is characterised in that: including
Valve body is equipped with fluid media (medium) import, fluid media (medium) outlet and fluid media (medium) bleed outlet, fluid media (medium) import and fluid
Medium is constituted between media outlet and fills into channel, and composition medium is released logical between fluid media (medium) bleed outlet and fluid media (medium) outlet
Road；
Core assembly, actuating station are placed in valve inner and are situated between in fluid media (medium) import, fluid media (medium) outlet and fluid
The intersection of matter bleed outlet, actuating station control medium fill into the circulation and disconnection of channel and medium leakage path；
Pressure sensor, the medium for being placed in core assembly downstream fills into channel, for detecting fluid pressure parameters, the stream
Body pressure parameter can characterize the dielectric property in closed circulation system；
Flow sensor is placed in medium and fills into channel, for detecting the flow parameter of fluid；
Controller is compared based on the feedback data of pressure sensor and systemic presupposition data, and is based on comparing result
And reasoning from logic control valve core component movement.
In above scheme, closed circulation system is represented when Fluid pressure is in normal pressure value and is in normal work shape
State；And fluid pressure value quickly becomes smaller and represents closed circulation system and be likely to be at leak state；And fluid pressure value is frequently multiple
When edging down, represents closed circulation system and be likely to be at micro- leakage state；Movement further combined with core assembly can be determined that system
Whether real leak.
Preferably, filling into the fluid velocity and mass accumulation of medium in the flow sensor detection closed circulation system
Parameter.Flow sensor fluid supplemental amount parameter detected；Enclosed is represented when fluid supplemental amount is in normal value to follow
Loop system is in normal operating conditions；And fluid supplemental amount value represents closed circulation system when becoming larger is likely to be at leak shape
State can clearly determine system further combined with the combinative movement of core assembly and pressure sensor and be in big leakage, middle leakage, micro-
The states such as leakage are still normal condition.
Preferably, further including check valve assembly, the medium for being placed in core assembly downstream is filled into channel, according to above and below it
The pressure medium of trip automatically adjusts its opening angle.
Preferably, the check valve assembly includes check valve sheet and torsional spring, valve inner is equipped with check valve valve port；Unidirectionally
One end of valve block is hinged on check valve valve port side, and torsional spring is set on the hinged end of check valve sheet；The torsional spring is for unidirectional
The active force of valve block drives check valve sheet to close check valve valve port.In above-mentioned technical proposal, check valve sheet is driven by torsional spring, but
The elasticity of torsional spring is smaller.When the elastic force that the Fluid pressure in check valve valve port downstream adds torsional spring is less than the stream of check valve valve port upstream
When body pressure, by the powered check valve sheet rotating opening of fluid.When the Fluid pressure in check valve valve port downstream adds torsional spring
Elastic force be greater than check valve valve port upstream Fluid pressure when, fluid buffer brake adds the elastic force of torsional spring check valve sheet can be driven to close
Close check valve valve port；Reverse flow of fluids is thus prevented, limitation medium only can be with one-way flow.The torsional spring is in check valve valve port
In the lesser situation of Fluid pressure, meeting active force, to keep the suitable aperture of check valve sheet, is properly opened in check valve sheet
Water flow after degree check valve sheet is adjusted can effectively prevent turbulent generation, and pressure sensor is made to detect correct numerical value；Economic cooperation
Water (flow) direction after suitable aperture check valve sheet is adjusted is controlled, so that flow sensor is able to detect that lesser flow number
According to.
Preferably, the flow sensor includes impeller, and flow chamber, wheel rotation are equipped at valve inner impeller
Axis is set to that flow is intracavitary, and the core wheel and medium of impeller fill into the center line eccentric setting in channel；The check valve sheet is being opened
Under state, by fluid oriented in the blade outer rim of impeller.In the technical solution, check valve sheet is in the on state for stream
Body has guiding role, so that fluid focus is filled into channel side in medium, and it is guided to flow to the blade outer rim of impeller simultaneously, increases
Add the power for pushing wheel rotation.Electronic component is installed, the rotation of impeller causes the electric signal of device to become on impeller assembly
Change, which exports to singlechip CPU, participates in control as the measured value of flow sensor after data processing.
Preferably, the pressure point of the pressure sensor is arranged in the nonturbulent flow of core assembly and check valve downstream side
Area.
Preferably, the pressure point of the pressure sensor is in the unlatching path of check valve sheet.In the program, work as list
When being in close state to valve block, the sample point of pressure sensor is in closed circulation system, can monitor closed cycle system
Fluid medium pressure in system；And when check valve sheet is in the open state, the sample point of sensor be in check valve sheet for
In the guidance field of medium, it is capable of the performance parameter of real-time monitoring fluid media (medium).
Preferably, the fluid media (medium) import of the valve body is equipped with filter screen, effect is to prevent from foreign matter from entering enclosed to follow
In loop system.
Preferably, the core assembly includes spherical valve core, and the valve rod being connected with the spherical valve core, and
Drive the driving part of the valve rod and ball spherical valve core；Actuating station is spherical valve core, and it is logical to be equipped with L shape spool in spherical valve core
Road.
By adopting the above technical scheme, which relates in one aspect to a kind of leakproof water compensating valve to the present invention, on the other hand relates to
And survey method is picked up in a kind of leakproof moisturizing of closed circulation system；Further relating in time will be in system when closed circulation system leaks
Medium is drained into exterior space or reserved collection device.Flow sensor and pressure sensor in the leakproof water compensating valve are used
In in closed circulation system medium supplement total amount and pressure parameter be monitored, when the medium for monitoring closed circulation system
When total amount or pressure change, core assembly movement is automatically controlled according to the monitoring result by controller, repeatedly to closed cycle system
Medium supplement total amount and pressure parameter in system are monitored, and are compared and reasoning from logic with parameter-embedded, judge that enclosed is followed
Loop system is normal supplement medium or leakage；To realize that automation supplement medium, discovery leaks and alarms, lets out in time in time
Putting medium prevents from losing widened function.
Detailed description of the invention
Fig. 1 is the side cross sectional views of leakproof water compensating valve.
Fig. 2 is the sectional top plan view of leakproof water compensating valve.
Fig. 3 is the portion the A enlarged drawing of Fig. 2.
Fig. 4 is that closed system is in close state schematic diagram.
Fig. 5 is that closed system is in deflated state schematic diagram.
Fig. 6 is that closed system is in water compensating state schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1:
A kind of leakproof water compensating valve with drainage function as shown in figs. 1 to 6, including valve body 1, core assembly 2, pressure pass
Sensor 3, check valve assembly 4, flow sensor 5 and controller.Medium is in one when the closed circulation system refers to work
In a closed circulation, the applicable closed circulation system of the leakproof water compensating valve includes refrigerating (heat) the agent system in air-conditioning system
System.In the leakproof water compensating valve, fluid media (medium) import 11, fluid media (medium) outlet 12 and fluid media (medium) bleed outlet are provided on valve body 1
17, fluid media (medium) import 11, fluid media (medium) outlet 12 and fluid media (medium) bleed outlet 17 nozzle side wall on be commonly configured with connection
Screw thread is connected to convenient for pipeline；Medium, which is constituted, between fluid media (medium) import 11 and fluid media (medium) outlet 12 fills into channel；Fluid media (medium)
Medium leakage path is constituted between bleed outlet 17 and fluid media (medium) outlet.Behind above-mentioned leakproof water compensating valve access water route, fluid media (medium)
Exporting 12 downstreams is closed circulation system, and 11 upstream of fluid media (medium) import is external make-up system, under fluid media (medium) bleed outlet 17
Trip is exterior space or reserved collection device.The fluid media (medium) import 11 of the valve body 1 is equipped with filter screen, and effect is to prevent
Foreign matter enters in closed circulation system.
The core assembly 2, actuating station are placed in valve inner and export in fluid media (medium) import, fluid media (medium)
With the intersection of fluid media (medium) bleed outlet, actuating station control medium fills into the circulation and disconnection of channel and medium leakage path；Tool
Body includes following three kinds of states: 1) when fluid media (medium) outlet 12 is connected to fluid media (medium) import 11, i.e., medium fills into channel and is in
Circulation status；2) when fluid media (medium) outlet 12 is connected to fluid media (medium) bleed outlet 17, i.e., medium leakage path is in circulation status；
3) when fluid media (medium) outlet 12 is with fluid media (medium) import 11 and obstructed fluid media (medium) bleed outlet 17, medium fills into channel and Jie
Matter leakage path is in closed state, closed system and extraneous all passageway breaks.It is described in a kind of wherein embodiment
Core assembly 2 includes spherical valve core 21, and the valve rod 22 being connected with the spherical valve core, and the driving valve rod and ball
The driving part of spherical valve core；Actuating station is spherical valve core, is equipped with L shape valve core channel 23 in spherical valve core.Driving part can be with
It is retarder and driving motor.Driving motor drives 360 DEG C of spherical valve core rotations, this ball by retarder band ovable valve stem, valve rod
Valve rotates to different location and can control the circulation of medium, disconnects and release.Certainly the core assembly 2 may be arranged as three
Position three-way valve structure etc..
The pressure sensor 3, the medium for being placed in 2 downstream of core assembly fill on channel, for detecting Fluid pressure ginseng
Number, the fluid pressure parameters can characterize the pressure medium in closed circulation system.Specifically, in constant working condition
Under, the characteristic of medium can be characterized by pressure medium.Fluid pressure in the pressure sensor detection closed circulation system
Force parameter.In the technical solution, closed circulation system is represented when Fluid pressure is in normal pressure value and is in normal work shape
State；And fluid pressure value quickly becomes smaller and represents closed circulation system and be likely to be at leak state；And fluid pressure value is frequently multiple
When edging down, represents closed circulation system and be likely to be at micro- leakage state；Movement further combined with core assembly can be determined that system
Whether real leak.
The check valve assembly 4, the medium for being placed in 2 downstream of core assembly fills into channel, according to the medium of its upstream and downstream
Pressure automatically adjusts its opening angle.The check valve assembly 4 includes check valve sheet 41 and torsional spring 42, is equipped with inside valve body 1 single
To valve valve port 15；One end of check valve sheet 41 is hinged on 15 side of check valve valve port, and torsional spring 42 is set to the hinge of check valve sheet 41
It connects on end；The torsional spring 42 drives check valve sheet 41 to close check valve valve port 15 active force of check valve sheet 41.Above-mentioned skill
In art scheme, check valve sheet 41 is driven by torsional spring 42, but the elasticity of torsional spring 42 is smaller, therefore in the fluid pressure of check valve valve port 15
In power difference situation, fluid can act on check valve sheet 41, to automate adjusting aperture；When the fluid in 15 downstream of check valve valve port
When pressure is less than or equal to the Fluid pressure of 15 upstream of check valve valve port, beaten by the rotation of powered check valve sheet 41 of fluid
It opens.When the Fluid pressure in 15 downstream of check valve valve port is greater than or equal to the Fluid pressure of 15 upstream of check valve valve port, fluid is anti-
Check valve sheet 41 can be driven to close check valve valve port 15 to the elastic force of pressure and torsional spring 42；Reverse flow of fluids is thus prevented, is limited
Medium only can be with one-way flow.
In addition, the maximum opening angle of check valve sheet 41 is 75 °, the sample point 31 of the pressure sensor 3 is in unidirectional
In the unlatching internal diameter of valve block 41；In the program, when check valve sheet 41 is in close state, at the sample point of pressure sensor 3
In closed circulation system, the fluid medium pressure in closed circulation system can be monitored；And it is opened when check valve sheet 41 is in
When state, the sample point of pressure sensor 3 is in check valve sheet 41 in the guidance field of medium, being capable of real-time monitoring fluid
The performance parameter of medium.
The flow sensor 5, the medium for being placed in 2 downstream of core assembly fills into channel, for detecting the flow of fluid,
Specifically, the flow sensor includes impeller 51, is equipped with flow chamber 16, impeller inside the valve body 1 in 15 downstream of check valve valve port
51 are rotatably dispose in that flow is intracavitary, and the core wheel and medium of impeller 51 fill into the center line eccentric setting in channel；The check valve sheet
41 in the on state, by fluid oriented in the blade outer rim of impeller 51.In the technical solution, check valve sheet 41 is being opened
There is guiding role for fluid under state, so that fluid focus is filled into channel side in medium, and guide it to flow to impeller simultaneously
51 blade outer rim increases the power for pushing impeller 5 to rotate.Electronic component 52, the rotation of impeller are installed on impeller assembly
Cause the change in electric of device, which exports to singlechip CPU, as the measured value of flow sensor after data processing
Participate in control.
Controller, the feedback data based on pressure sensor 3 and flow sensor 5 are compared with systemic presupposition data,
And it is acted based on comparing result control valve core component 2.It includes the control circuit board with single-chip microcontroller, and the wiring board is mainly by 5
It is grouped as: power unit, signal acquisition importation, central data processing part, display operation part, output execution part.
Based on above embodiment, it is intended to the pressure measurement of closed circulation system, flow measurement, fluid traffic organising etc.
Carry out Trinitarian design.On the one hand, the pressure sensor 3 in the leakproof water compensating valve is used for Jie in closed circulation system
Matter pressure, flow sensor 5 are used to be monitored the medium supplement total amount in closed circulation system, and by controller according to this
Monitoring result automatically controls core assembly 2 and acts, when the pressure medium for monitoring closed circulation system reduces, core assembly 2
It opens from the external world to closed circulation system and fills into medium (such as water, gas, oil or other fluid media (medium)s)；When the amount of supplement medium is super
The combinative movement for starting core assembly 2 and pressure sensor 3 when crossing preset value, the system that can clearly determine be in leak greatly, in
The states such as leakage, micro- leakage are still normal condition.To the purpose realized automation supplement medium, differentiate leakage.Another party
Face, which is arranged mobilizable check valve sheet 41, when fluid dynamic very little, reduces its aperture suitably to increase stream
Body power, overcomes turbulent condition, and the measurement of the pressure measurement, flow that make fluid is more accurate, while expanding its small flow
Measuring range lower limit range value in other words.When fluid dynamic is larger, which can increase its aperture automatically to reduce its resistance,
To the fluid of same caliber, maximum range or upper limit range are worth to expand.When reverse fluid flow, which can flow
It is closed under the action of body power and spring force, prevents reverse flow of fluids from playing the function of one-way flow.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of leakproof water compensating valve with drainage function, it is characterised in that: including
Valve body is equipped with fluid media (medium) import, fluid media (medium) outlet and fluid media (medium) bleed outlet, fluid media (medium) import and fluid media (medium)
Medium is constituted between outlet and fills into channel, constitutes medium leakage path between fluid media (medium) bleed outlet and fluid media (medium) outlet；
Core assembly, actuating station are placed in valve inner and let out in fluid media (medium) import, fluid media (medium) outlet and fluid media (medium)
The intersection of mouth is put, actuating station control medium fills into the circulation and disconnection of channel and medium leakage path；
Pressure sensor is placed in the medium channel in core assembly downstream, for detecting fluid pressure parameters；
Flow sensor is placed in medium channel, for detecting the flow parameter of fluid；
Controller, sensor-based feedback data are compared with systemic presupposition data, and are based on comparing result and Logical Deriving
Manage the movement of control valve core component.
2. a kind of leakproof water compensating valve with drainage function according to claim 1, it is characterised in that: the flow sensing
The fluid velocity and mass accumulation parameter of medium are filled into device detection closed circulation system.
3. a kind of leakproof water compensating valve with drainage function according to claim 1 or 2, it is characterised in that: further include list
It to valve module, is placed in the medium channel in core assembly downstream, its opening angle is automatically adjusted according to the pressure medium of its upstream and downstream
Degree.
4. a kind of leakproof water compensating valve with drainage function according to claim 3, it is characterised in that: the unidirectional valve group
Part includes check valve sheet and torsional spring, and valve inner is equipped with check valve valve port；One end of check valve sheet is hinged on check valve valve port one
Side, torsional spring are set on the hinged end of check valve sheet；The torsional spring drives check valve sheet to be closed the active force of check valve sheet
Check valve valve port.
5. a kind of leakproof water compensating valve with drainage function according to claim 3, it is characterised in that: the flow sensing
Device includes impeller, and flow chamber is equipped at valve inner impeller, and wheel rotation axis is set to that flow is intracavitary, the core wheel of impeller with
The center line eccentric setting of medium channel；The check valve sheet in the on state, by fluid oriented in the blade of impeller
Outer rim.
6. a kind of leakproof water compensating valve with drainage function according to claim 4, it is characterised in that: the pressure sensing
The pressure point of device is arranged in the nonturbulent flow area in core assembly and check valve downstream side.
7. a kind of leakproof water compensating valve with drainage function according to claim 6, it is characterised in that: the pressure sensing
The pressure point of device is in the unlatching path of check valve sheet.
8. a kind of leakproof water compensating valve with drainage function according to claim 1, it is characterised in that: the core assembly
Including spherical valve core, and the valve rod being connected with the spherical valve core, and the drive of the driving valve rod and ball spherical valve core
Dynamic component；Actuating station is spherical valve core, is equipped with L shape valve core channel in spherical valve core.
9. a kind of leakproof water compensating valve with drainage function according to claim 1, it is characterised in that: the core assembly
For three-position three-way valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821628816.9U CN209026304U (en) | 2018-10-08 | 2018-10-08 | A kind of leakproof water compensating valve with drainage function |
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| CN201821628816.9U CN209026304U (en) | 2018-10-08 | 2018-10-08 | A kind of leakproof water compensating valve with drainage function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063481A1 (en) * | 2018-09-25 | 2020-04-02 | 新昌县晶鑫精密机械配件有限公司 | Leakage-prevention and water-replenishing valve for closed cycle system and detection method therefor |
-
2018
- 2018-10-08 CN CN201821628816.9U patent/CN209026304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063481A1 (en) * | 2018-09-25 | 2020-04-02 | 新昌县晶鑫精密机械配件有限公司 | Leakage-prevention and water-replenishing valve for closed cycle system and detection method therefor |
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