CN212455596U - Multifunctional cut-off device and control system - Google Patents
Multifunctional cut-off device and control system Download PDFInfo
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- CN212455596U CN212455596U CN201922293153.0U CN201922293153U CN212455596U CN 212455596 U CN212455596 U CN 212455596U CN 201922293153 U CN201922293153 U CN 201922293153U CN 212455596 U CN212455596 U CN 212455596U
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Abstract
The utility model discloses a multi-functional cut-off equipment and control system, the device includes: the rubber sleeve is provided with a through flow channel; the shell is provided with openings at two ends and sleeved on the rubber sleeve, and an installation cavity is formed between the inner wall of the shell and the outer wall of the rubber sleeve; the lower pressing bag is provided with a pressing cavity, the lower pressing bag is provided with an inlet and outlet hole communicated with the pressing cavity, the lower pressing bag is arranged in the mounting cavity and located on one side of the rubber sleeve, and the pressing bag is pressed to deform and is used for extruding the rubber sleeve to deform inwards to adjust the circulation channel. The utility model has the advantages of good sealing effect and simple structure.
Description
Technical Field
The utility model relates to a drainage equipment technical field, concretely relates to multi-functional cut-off equipment and control system.
Background
The flexible cut-off device is a cut-off facility applied to a water outlet or a discharge port of a flow dividing well, and generally comprises an outer shell and a rubber sleeve, wherein a pressurizing cavity is formed between the outer shell and the rubber sleeve, the end part of the rubber sleeve is connected with the end part of the outer shell in a sealing way through a flange plate, when pressurized gas is filled into the pressurizing cavity, the rubber sleeve is deformed inwards relatively, the inner wall of the rubber sleeve is attached, and a circulation channel is cut off. However, when the pipe diameter of the drainage pipe or the discharge opening butted with the diversion well is large (if the pipe diameter is more than DN 400), the required pressure is large, the pipe diameter and the deformation of the rubber sleeve are large, at the moment, the end part of the rubber sleeve and the end part of the outer shell are under large deformation, and the end part of the rubber sleeve slides out between the flange plate and the end part of the outer shell, so that the sealing of the pressurizing cavity is poor.
And the rubber sleeve of the cut-off device with the structure can only realize two states of opening or completely closing. Although can be through the aperture of the pneumatic pipe clamp valve of control pressurization size control, because whole rubber tube under the atmospheric pressure effect all is in deformation state, the difficult calculation of relation between pipeline cross-section size and the pressure carries out aperture control, also can not control the height of damming, consequently prior art's cut-off equipment only is suitable for the occasion that is used for opening and closing, can not be applied to the condition that needs adjust the aperture, consequently, the multi-functional cut-off equipment who waits for a sealed effectual, application range is wide.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide a multi-functional cut-off equipment, control system, have sealed effectual, simple structure's advantage.
The utility model provides a multi-functional cut-off equipment, include:
the rubber sleeve is provided with a through flow channel;
the two ends of the shell are provided with openings and sleeved on the rubber sleeve, and an installation cavity is formed between the inner wall of the shell and the outer wall of the rubber sleeve;
the lower pressure bag, the chamber of pressurizing has in the lower pressure bag, down press be provided with on the bag with the business turn over hole of pressurizing the chamber intercommunication, down press the bag set up in the installation intracavity is located one side of rubber sleeve, just it pressurizes the deformation and is used for the extrusion to press the bag rubber sleeve is inside to warp to adjust the circulation passageway.
Optionally, still include and press the bag, the institute press to have in the bag and fill the pressure chamber, down press be provided with on the bag with the business turn over hole that fills the pressure chamber intercommunication, go up press the bag set up in the installation intracavity, it is located respectively with pressing the bag down to go up press the bag rubber sleeve both sides and relative setting, go up press the bag with it fills the pressure deformation and extrudees the rubber sleeve inward deformation regulation of its place side respectively to press the bag circulation passageway.
Optionally, the axes of the upper pressing bag and the lower pressing bag are arranged to intersect with the axis of the rubber sleeve.
Optionally, the lower pressure bag and/or the upper pressure bag is an air bag or an air pillow.
Optionally, the axis of the lower pressing bag is arranged to intersect with the axis of the rubber sleeve.
Optionally, the casing includes an outer cover and a flange connection portion, the outer cover is sleeved on the rubber sleeve, and an end portion of the rubber sleeve is clamped between the end portion of the outer cover and the flange connection portion.
In another aspect, the utility model provides a control system of multi-functional cut-off equipment, include:
the multi-functional flow stop of any of the above;
the liquid level monitoring device is used for monitoring the liquid level values of the front and the back of the multifunctional cut-off device;
the pressure source is communicated with the inlet and outlet holes (3) through the conveying pipeline, and the conveying pipeline is provided with a control valve;
the controller is in signal connection with the liquid level monitoring device and the control valve, and the controller is used for controlling the control valve to be opened or closed according to the liquid level value of the liquid level monitoring device.
Optionally, when the upper pressure bag is arranged, the conveying pipeline includes a first pipeline and a second pipeline, the first pipeline is communicated with the pressure source and the lower pressure bag, the second pipeline is communicated with the pressure source and the upper pressure bag, and the first pipeline and the second pipeline are respectively provided with a control valve.
In another aspect, the utility model also provides a using method of the multifunctional cut-off device,
the multifunctional intercepting device is installed in a pipeline of a shunt well or a discharge port, wherein a lower pressing bag of the intercepting device is positioned at the lower half part of the pipeline, the device comprises an intercepting state and a stopping state, and the following intercepting state or stopping state is selected according to the use requirement:
a medium with certain pressure is filled into the inlet and outlet holes of the lower pressing bag, the rubber sleeve on the side where the lower pressing bag is located is extruded by the lower pressing bag to deform upwards to have certain intercepting height, and the flow channel is in an intercepting state;
and a medium with certain pressure is continuously filled into the inlet and outlet holes of the lower pressing bag, the rubber sleeve on the side of the lower pressing bag is attached to the inner wall of the upper rubber sleeve, and the flow channel is in a cut-off state.
In another aspect, the utility model also provides a using method of the multifunctional cut-off device,
the multifunctional intercepting device is installed in a pipeline of a shunt well or a discharge port, wherein a lower pressing bag of the intercepting device is positioned at the lower half part of the pipeline, the device comprises an intercepting state and a stopping state, and the following intercepting state or stopping state is selected according to the use requirement:
a medium with certain pressure is filled into the inlet and outlet holes of the lower pressing bag, the rubber sleeve on the side where the lower pressing bag is located is extruded by the lower pressing bag to deform upwards to have certain intercepting height, and the flow channel is in an intercepting state;
and media with certain pressure are respectively filled into the inlet and outlet holes of the lower pressing bag and the upper pressing bag, the rubber sleeve on the side of the lower pressing bag and the rubber sleeve on the side of the upper pressing bag are relatively deformed to be attached, and the flow channel is in a cut-off state.
Compared with the prior art, the utility model has the advantages as follows:
(1) the utility model discloses a closing of circulation passageway among multi-functional cut-off equipment is pressed the bag through down and/or goes up to press the bag to pressurize and warp extrusion rubber sleeve and inwards warp and close gradually, opening of circulation passageway is through pressing the bag down and/or go up to press the bag put press resume warp release rubber sleeve receive extrusion force resume warp open gradually, consequently, do not have sealed problem between rubber sleeve and the casing, moreover, the steam generator is simple in structure, press the bag down and/or go up to press the utricule structure that the bag is a body structure, only set up business turn over hole, the leakproofness is good, moreover, the steam generator is simple in structure.
(2) The utility model discloses a set up an independent utricule or two independent utricules in multi-functional cut-off equipment's the rubber sleeve, the rubber sleeve is except having the traditional function of closing the circulation passageway, still has the function of damming, can only pressurize the bag down, the rubber layer of bag place side is pushed and upwards rises down, aerify the telescopic lower half of rubber sleeve after the deformation and be equivalent to one can height-adjusting's regulation weir, when the water level rises to more than the height of damming, water can carry out the overflow from the top. Therefore, the accumulated mud at the bottom of the pipeline or the accumulated mud in the diversion well can be intercepted, and the accumulated mud at the bottom is prevented from entering the natural water body along with rainwater to pollute the natural water body. In addition, the water level adjusting device is used at the drainage outlet, the interception height of the lower half part of the rubber sleeve can be adjusted according to the natural water level condition, the water of a natural water body is prevented from flowing backwards, and flood discharge is not influenced by overflow from the top of the lower half part of the rubber sleeve while the water flows backwards.
(3) The utility model discloses a set up in the multi-functional cut-off equipment and press the bag respectively control of exerting pressure alone, required pressure is less, can realize zero leakage under lower pressure (being less than 2bar), and is sealed effectual, and atmospheric pressure is low, and seal structure is simple, does not influence the current capacity of circulation passageway yet.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of the cut-off device of embodiment 2 in an open state.
FIG. 3 is a front view of embodiment 2.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a schematic structural view of the shutoff device in the shutoff state in embodiment 2.
Fig. 6 is a diagram showing the arrangement of the rubber sleeve with the upper and lower pressing bladders in a shut-off state of the shut-off device in example 2.
Reference numerals: 1-a rubber sleeve, 10-a flow channel, 2-a shell, 20-an installation cavity, 21-an outer cover, 22-a flange connecting part, 3-a lower pressure bag, 30-a pressure filling cavity, 31-an inlet and outlet hole and 4-an upper pressure bag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 6, the present invention provides a multifunctional intercepting apparatus, which comprises a rubber sleeve 1, a housing 2 and a lower pressing bag 3, wherein,
the rubber sleeve 1 is provided with a through flow channel 10, the flow channel 10 is communicated with the opening of the rubber sleeve 1 and is closed with the closing of the rubber sleeve 1, and the rubber sleeve 1 in the embodiment is cylindrical and is made of deformable rubber.
The rubber sleeve comprises a shell 2, wherein two ends of the shell 2 are opened and sleeved on the rubber sleeve 1, a mounting cavity 20 is formed between the inner wall of the shell 1 and the outer wall of the rubber sleeve 2, the middle part of the shell 1 is a square structure, two ends of the shell are conical, the pipe diameter of the conical part far away from the middle part is smaller than that of the part near the middle part, and ports at two ends of the shell 2 are fixedly connected with the rubber sleeve 1 through a flange;
the lower pressing bag 3 is provided with a pressing cavity 30 in the lower pressing bag 3, the lower pressing bag 3 is provided with an inlet and outlet hole 31 communicated with the pressing cavity 30, the inlet and outlet hole 31 can be two holes arranged on the lower pressing bag 3 and respectively is an inlet hole and an outlet hole, or can be a hole arranged on the lower pressing bag 3, a pipeline connected with the hole is branched into the inlet hole and the outlet hole, and the pressing cavity of the lower pressing bag 3 can be filled with air pressure, oil pressure or water pressure, and preferably, the pressing bag 3 in the embodiment is an air bag and air pillow structure with an integral structure. Pressing bag 3 down sets up in installation cavity 20, be located one side of rubber sleeve 1, and press bag 3 to pressurize to warp and be used for extruding rubber sleeve 1 and inwards warp and adjust circulation passageway 10, press bag 3 to pressurize rubber sleeve 1 of extrusion its place side when expanding deformation when, rubber sleeve 1 warp to the opposite side, press bag 3 to pressurize when enough big now, the laminating of the inner wall of rubber sleeve 1 of its place side and the rubber sleeve 1 of opposite side, circulation passageway 10 closes, do not have sealed problem between rubber sleeve 1 and the casing 2 in this embodiment, the mounting structure is simple, pressing bag 3 down is the integral structure, only be provided with business turn over hole, moreover, the steam generator is simple in structure, it is sealed easy, whole cut-off equipment's leakproofness is good.
Preferably, the rubber sleeve 1 in the embodiment is transversely arranged along the horizontal direction, the lower pressing bag 3 is longitudinally arranged below the rubber sleeve 1, the axial direction of the lower pressing bag 3 is perpendicular to the linear direction of the rubber sleeve 1, the highest raised part of the lower pressing bag 3 is located in the middle of the rubber sleeve 1, when the lower pressing bag 3 is pressurized and deformed, the rubber sleeve 1 is longitudinally pressed, the flow channel 10 is gradually reduced to be stopped, the lower pressing bag 3 is in linear contact with the rubber sleeve 1, and in the state that the flow channel is stopped, the sealing effect is good, and the required pressure is low.
Preferably, the housing 2 in the present embodiment includes an outer cover 21 and a flange connection portion 22, the outer cover 21 is sleeved on the rubber sleeve 1, and an end portion of the rubber sleeve 1 is interposed between the end portion of the outer cover 21 and the flange connection portion 22. The outer cover 21 has a cavity for accommodating the pressing bag 3, a pipeline for connecting the opening hole for the pressing bag 3 to pass through is arranged on the outer cover 21, and the outer cover 21 is formed by molding plates and is simple in mounting structure with the rubber sleeve 1, compact in structure and free of sealing.
Preferably, a control system of a multi-function stop includes:
the multifunctional cut-off device in the embodiment;
the liquid level monitoring device is used for monitoring the liquid level values in front of and behind the multifunctional intercepting device, namely the liquid level values at the upstream and the downstream of the multifunctional intercepting device;
the pressure source is communicated with the inlet and outlet holes 3 through the conveying pipeline, and the conveying pipeline is provided with a control valve;
and the controller is in signal connection with the liquid level monitoring device and the control valve, and is used for controlling the control valve to be opened or closed according to the liquid level value of the liquid level monitoring device. Specifically, when the liquid level value at the downstream of the multifunctional flow device is higher than that at the upstream, the controller controls the control valve to act, the lower pressing bag 3 expands to extrude the rubber sleeve 1 to rise by a certain height under a certain pressure, and water at the downstream of the cut-off device is prevented from flowing backwards to the upstream of the cut-off device to prevent flowing backwards. The specific logic of the controller for controlling the multifunctional intercepting apparatus in this embodiment can be referred to the control logic of the prior art that uses a gate or weir gate type device, wherein the gate or weir gate type device controls the lower pressure bag to be pressurized when closed, the gate or weir gate type device controls the lower pressure bag to be depressurized when opened, and the gate or weir gate type device controls the lower pressure bag 3 to be pressurized or depressurized when intercepted so as to keep a certain pressure and partially open, as the logics described in the patent applications CN201610242466.1, CN201711020257.3, and CN201710915382.4 are similar.
The embodiment also provides a use method of the multifunctional cut-off equipment, which comprises the following steps:
the multifunctional cut-off equipment of the embodiment 1 is installed in a pipeline of a shunt well or a discharge port, wherein a lower pressing bag 3 of the cut-off equipment is positioned at the lower half part of the pipeline, the equipment comprises a cut-off state and a cut-off state, and the following cut-off state or cut-off state is selected according to the use requirement:
a medium with certain pressure is filled into the inlet and outlet holes of the lower pressing bag 3, the rubber sleeve 1 on the side of the lower pressing bag 3 is extruded by the lower pressing bag 3 to deform upwards to have certain intercepting height, the flow channel 10 is in an intercepting state, the rubber sleeve 1 in the intercepting state is equivalent to an adjustable overflow weir, water flows overflow to the downstream from the top of the bulge of the rubber sleeve 1, suspended garbage in water is blocked and accumulated on the front side of the bulge of the rubber sleeve 1, pollutants are prevented from entering the river, and the anti-backflow function is also realized;
the medium with certain pressure is continuously filled from the inlet and outlet hole of the lower pressing bag 3, the rubber sleeve 1 at the side of the lower pressing bag 3 is attached to the inner wall of the upper rubber sleeve 1, and the flow channel 10 is in a cut-off state. The intercepting device in the embodiment is switched from the intercepting state to the stopping state, the lower pressurizing bag 3 is continuously pressurized, the stopping state is switched to the intercepting state, the lower pressurizing bag 3 is depressurized, the switching speed of the two states is high, and the operation is easy.
Example 2
Referring to fig. 2 to 6, the present embodiment 2 provides a multifunctional intercepting apparatus, which is different from the embodiment 1 in that:
the multifunctional intercepting device in the embodiment 1 comprises a rubber sleeve 1, a shell 2 and a lower pressing bag 3;
the multifunctional intercepting device in the embodiment 2 comprises a rubber sleeve 1, a shell 2 and a lower pressing bag 3 in the embodiment 1, and further comprises an upper pressing bag 4, a pressing cavity 30 is arranged in the upper pressing bag 4, an inlet and outlet hole 31 communicated with the pressing cavity 30 is formed in the lower pressing bag 3, the upper pressing bag 4 is arranged in an installation cavity 20, the upper pressing bag 4 and the lower pressing bag 3 are respectively located on two sides of the rubber sleeve 1 and are oppositely arranged, the upper pressing bag 4 and the lower pressing bag 3 are longitudinally arranged, the axis of the upper pressing bag 4 and the axis of the lower pressing bag 3 are perpendicular to the axis of the rubber sleeve 1, and the upper pressing bag 4 and the lower pressing bag 3 are deformed by pressing to respectively extrude the inward deformation adjusting circulation channel 10 of the rubber sleeve 1 on the side where the upper pressing bag 4 and the lower pressing bag 3 are located. Pressing bag 4 and pressing bag 3's structure the same on this embodiment, all can be gasbag or air pillow structure, and it is lower to go up pressing bag 4 and pressing bag 3 down and be the required atmospheric pressure of independent structure, compares in preceding single pressure bag structure atmospheric pressure value and reduces, and less atmospheric pressure can realize that rubber sleeve 1 is zero to leak, and is sealed effectual.
This embodiment 2 still provides a control system of multi-functional cut-off equipment, includes:
the multi-functional shut-off device of embodiment 2;
the liquid level monitoring device is used for monitoring the liquid level values in front of and behind the multifunctional intercepting device, namely the liquid level values at the upstream and the downstream of the multifunctional intercepting device;
the pressure source is communicated with the inlet and outlet holes 3 through the conveying pipeline, the conveying pipeline is provided with a control valve and comprises a first pipeline and a second pipeline, the first pipeline is communicated with the pressure source and the lower pressing bag 3, the second pipeline is communicated with the pressure source and the upper pressing bag 4, and the first pipeline and the second pipeline are respectively provided with a control valve;
and the controller is in signal connection with the liquid level monitoring device and the control valve, and is used for controlling the control valve to be opened or closed according to the liquid level value of the liquid level monitoring device. Specifically, when the liquid level value at the downstream of the multifunctional flow device is higher than that at the upstream, the controller controls the control valve to act, the lower pressing bag 3 expands to extrude the rubber sleeve 1 to rise by a certain height under a certain pressure, and water at the downstream of the cut-off device is prevented from flowing backwards to the upstream of the cut-off device to prevent flowing backwards. The specific logic of the controller for controlling the multifunctional intercepting device in the embodiment can be seen in the control logic of equipment using a gate and a weir gate in the prior art, wherein the lower pressure bag 3 and the upper pressure bag 4 are correspondingly controlled to be pressurized when the gate or weir gate is controlled to be closed, the lower pressure bag 3 and the upper pressure bag 4 are correspondingly controlled to be depressurized when the gate or weir gate is controlled to be opened, the lower pressure bag 3 is correspondingly controlled to be pressurized and protruded for a certain height when the gate or weir gate is controlled to be overflowed, and the upper pressure bag 4 is pressurized to be in a natural state at the moment.
The embodiment also provides a use method of the multifunctional cut-off equipment, which comprises the following steps: the multifunctional intercepting device provided by the embodiment 2 is installed in a pipeline of a diversion well or a discharge port, wherein the lower pressing bag 3 of the intercepting device is positioned at the lower half part of the pipeline, the device comprises an intercepting state and a stopping state, and the following intercepting state or stopping state is selected according to the use requirement:
a medium with certain pressure is filled into the inlet and outlet holes of the lower pressing bag 3, the rubber sleeve 2 on the side of the lower pressing bag 3 is extruded by the lower pressing bag 3 to deform upwards to have certain intercepting height, the flow channel 10 is in an intercepting state, the upper pressing bag 4 is in an un-pressurized natural state in the intercepting state, and the protruded height of the lower pressing bag 3 is the intercepting height of the rubber sleeve 1;
media with certain pressure are respectively filled into the inlet and outlet holes of the lower pressing bag 3 and the upper pressing bag 4, the rubber sleeve 1 on the side of the lower pressing bag 3 and the rubber sleeve 1 on the side of the upper pressing bag 4 are relatively deformed to be attached, and the flow channel 10 is in a cut-off state. When switching to the state of damming from the off-state, go up pressure bag 4 and put pressure recovery natural state, the rubber sleeve that is located 4 sides of last pressure bag resumes to warp, when switching to the off-state from the state of damming, press the rubber sleeve 1 deformation of extrusion its place side to last pressure bag 4 inflation, the laminating of the inner wall of rubber sleeve 1, circulation passageway 10 is stopped, from this it can to see, switch from two kinds of states only need control last pressure bag 4 fill the gassing can, easy operation, demand response speed is fast.
The intercepting state in the embodiments 1 and 2 means that the rubber sleeve 1 is raised to a certain height, and water can overflow from the raised position of the rubber sleeve 1 to the downstream, so that a part of water potential can be blocked.
The cut-off state in examples 1 and 2 means that the inner wall of the rubber sleeve 1 is cut off and the flow channel 10 is blocked, and the water flow cannot pass through the flow channel 10.
Examples 1 and 2 also have a fully opened state in which the cross-sectional area of the flow channel 10 is maximized until the rubber sleeve 1 is not deformed, and water flow can flow downstream from the flow channel 10 without a water blocking potential.
In the embodiments 1 and 2, the shut-off state, the cut-off state, and the fully open state are used in any specific situation, and are selected by those skilled in the art according to actual use requirements, and are not particularly limited.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (8)
1. A multifunctional flow cut-off device, comprising:
the rubber sleeve (1), the said rubber sleeve (1) has flow channels (10) that run through;
the rubber sleeve comprises a shell (2), wherein two ends of the shell (2) are opened, the shell is sleeved on the rubber sleeve (1), and an installation cavity (20) is formed between the inner wall of the shell (2) and the outer wall of the rubber sleeve (1);
pressing bag (3) down, pressing bag (3) down in have and fill pressure chamber (30), press bag (3) down on be provided with business turn over hole (31) of filling pressure chamber (30) intercommunication, press bag (3) down set up in installation cavity (20), be located one side of rubber sleeve (1), just press bag (3) down to fill to press to warp and be used for the extrusion rubber sleeve (1) is the regulation of inwards warping circulation passageway (10).
2. A multi-purpose flow stop device as claimed in claim 1, wherein: still include and press bag (4), institute go up and press to have in bag (4) and fill pressure chamber (30), down press to be provided with on bag (3) with the business turn over hole (31) that fills pressure chamber (30) intercommunication, go up press bag (4) set up in installation cavity (20), it is located respectively with pressing bag (3) down to go up press bag (4) rubber sleeve (1) both sides and relative setting, go up press bag (4) with press bag (3) to fill to press to warp and extrude respectively rubber sleeve (1) the inside deformation regulation of its place side down circulation passageway (10).
3. A multi-purpose flow stop device as claimed in claim 2, wherein: the axes of the upper pressing bag (4) and the lower pressing bag (3) are crossed with the axis of the rubber sleeve (1).
4. A multi-purpose flow stop device as claimed in claim 2, wherein: the lower pressing bag (3) and/or the upper pressing bag (4) is an air bag or an air pillow.
5. A multi-purpose flow stop device as claimed in claim 1, wherein: the axis of the lower pressing bag (3) is crossed with the axis of the rubber sleeve (1).
6. A multi-purpose flow stop device as claimed in claim 1, wherein: the shell (2) comprises an outer cover (21) and a flange connecting portion (22), the outer cover (21) is sleeved on the rubber sleeve (1), and the end portion of the rubber sleeve (1) is clamped between the end portion of the outer cover (21) and the flange connecting portion (22).
7. A control system for a multi-function flow stop device, comprising:
a multi-purpose flow stop as claimed in any one of claims 1 to 6;
the liquid level monitoring device is used for monitoring the liquid level values of the front and the back of the multifunctional cut-off device;
the pressure source is communicated with the inlet and outlet holes (31) through the conveying pipeline, and the conveying pipeline is provided with a control valve;
the controller is in signal connection with the liquid level monitoring device and the control valve, and the controller is used for controlling the control valve to be opened or closed according to the liquid level value of the liquid level monitoring device.
8. The control system of a multi-function stop as claimed in claim 7, wherein: when the upper pressure bag (4) is arranged, the conveying pipeline comprises a first pipeline and a second pipeline, the first pipeline is communicated with the pressure source and the lower pressure bag (3), the second pipeline is communicated with the pressure source and the upper pressure bag (4), and the first pipeline and the second pipeline are respectively provided with a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293153.0U CN212455596U (en) | 2019-12-18 | 2019-12-18 | Multifunctional cut-off device and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293153.0U CN212455596U (en) | 2019-12-18 | 2019-12-18 | Multifunctional cut-off device and control system |
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| CN212455596U true CN212455596U (en) | 2021-02-02 |
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| CN201922293153.0U Active CN212455596U (en) | 2019-12-18 | 2019-12-18 | Multifunctional cut-off device and control system |
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Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430090 Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd. Address before: 430056 3rd floor, workshop 1, No. 189, North Qianli Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |
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