CN114951102B - Flowmeter flushing device - Google Patents
Flowmeter flushing device Download PDFInfo
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- CN114951102B CN114951102B CN202210574558.5A CN202210574558A CN114951102B CN 114951102 B CN114951102 B CN 114951102B CN 202210574558 A CN202210574558 A CN 202210574558A CN 114951102 B CN114951102 B CN 114951102B
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- water storage
- water
- cavity
- flushing
- overflow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Sanitary Device For Flush Toilet (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to the technical field of flushing equipment, in particular to a flowmeter flushing device; the water storage device comprises a water storage tank and a flushing unit, wherein a water storage cavity is formed in the water storage tank, a vacuum tube and a water inlet tube which are communicated with the water storage cavity are fixed on the water storage tank, the vacuum tube is connected with a vacuumizing device, and before flushing by the flushing device, the vacuumizing device vacuumizes the inside of the water storage cavity through the vacuum tube, so that negative pressure is formed in the water storage cavity, and an external water source can be introduced into the water storage cavity through a water inlet pipe orifice under the action of external air pressure; because the water inlet end of the flushing unit is communicated with the water storage cavity, the topography of the flushing end of the flushing unit is lower than that of the water storage cavity, so that clear water in the water storage cavity can flow to the flushing end from the water inlet end through self gravity when the flushing operation of the flowmeter is carried out, the flowmeter at the flushing end is flushed, and the energy loss of the flowmeter in the flushing process is effectively reduced.
Description
Technical Field
The invention relates to the technical field of flushing equipment, in particular to a flowmeter flushing device.
Background
The flowmeter is a meter or instrument for measuring the fluid flow in a pipeline or an open channel, and is divided into a differential pressure type flowmeter, a rotameter, a throttling type flowmeter, an ultrasonic flowmeter and the like, and a multi-Pr ultrasonic flowmeter is taken as an example. The multi-Pute ultrasonic flowmeter is mainly applied to the fields of natural river channels, artificial river channels, farmland channels, urban sewage channels, sewage outlets of enterprises, sewage treatment plants and the like, and detects the flow of fluid containing solid particles or bubbles.
Because many Pratet ultrasonic flowmeter long-term works with the water that contains solid particles and silt, when the probe of flowmeter is installed with the orientation the same as rivers, rivers can wash solid particles and silt on flowmeter surface, and at this moment, the silt volume on probe surface is less, when the probe of flowmeter is installed with the orientation opposite to rivers, the both sides of flowmeter probe mounting form the vortex easily, lead to there is impurity siltation condition before the probe to influence the measurement accuracy of probe, consequently, after the flowmeter works for a period of time, need wash solid particles and silt in flowmeter's probe front portion, ensure the accurate measurement of flowmeter to water flow.
The existing flowmeter is generally flushed through the water pump, the raw water flow which is introduced into the flowmeter is firstly cut off before cleaning, the clean water in the reservoir is driven to the flowmeter by the water pump, solid particles in the front of the flowmeter probe are flushed, and the water pump is required to be kept in an on state all the time in the above flushing mode, so that a large amount of energy consumption is caused.
Disclosure of Invention
The invention aims to overcome the technical defects, and provides a flowmeter flushing device which solves the technical problem that a flowmeter flushing process consumes a large amount of electric energy in the prior art.
In order to achieve the above technical object, the present invention provides a flowmeter flushing device, comprising:
the water storage tank is internally provided with a water storage cavity, a vacuum pipe and a water inlet pipe which are communicated with the water storage cavity are fixed on the water storage tank, the water inlet pipe is used for being connected with an external water source, the vacuum pipe is used for being connected with an external vacuumizing device, so that negative pressure is formed in the water storage cavity, and the external water source is led into the water storage cavity through the water inlet pipe under the action of air pressure;
the vacuumizing device is connected with the vacuum tube and is used for vacuumizing the water storage cavity, so that negative pressure is formed in the water storage cavity, and an external water source is led into the water storage cavity through the water inlet pipe under the action of air pressure;
the flushing unit comprises a water inlet end and a flushing end communicated with the water inlet end, wherein the water inlet end is communicated with the water storage cavity, the flushing end is used for being connected with a flowmeter, the topography of the flushing end is lower than that of the water storage cavity, so that clear water in the water storage cavity can flow from the water inlet end to the flushing end through gravity, and the flowmeter of the flushing end is flushed.
Optionally, the flushing device further comprises an anti-overflow unit, the anti-overflow unit comprises a limiting cylinder, a buoyancy member and an inductor, the limiting cylinder is fixed in the water storage cavity, a limiting cavity communicated with the water storage cavity is arranged in the limiting cylinder, the limiting cavity extends towards the height direction of the water storage cavity, the buoyancy member is arranged in the limiting cavity and can lift along the limiting cavity under the action of buoyancy of water, the inductor is fixed on the water storage tank and is located above the buoyancy member, the inductor is electrically connected with a controller, and the controller controls the vacuumizing device to stop running when the buoyancy member rises to a certain height.
Optionally, the anti-overflow unit still includes an anti-overflow section of thick bamboo, an anti-overflow section of thick bamboo is fixed in on the inner wall of water storage chamber, the inside of an anti-overflow section of thick bamboo is provided with inclosed anti-overflow chamber, the one end that the vacuum tube was fixed in the storage water tank with anti-overflow chamber intercommunication, a spacing section of thick bamboo keep away from the diapire of water storage chamber one end is fixed in the bottom of an anti-overflow section of thick bamboo, the bottom of an anti-overflow section of thick bamboo is provided with the intercommunication an anti-overflow chamber with the vent in spacing chamber, the vent is located on the ascending route of buoyancy spare, buoyancy spare is followed when spacing chamber rises to certain height, with the vent is shutoff.
Optionally, the anti-overflow unit further comprises a blocking film, the blocking film is attached to and fixed on the bottom wall of the anti-overflow cavity, the vent is arranged on the blocking film, the vent is a circular vent, the buoyancy member is provided with an annular sealing surface, and when the buoyancy member rises to a certain height, the annular sealing surface is attached to the side wall of the vent so as to block the vent.
Optionally, the anti-overflow unit further includes a guiding stop collar, one end of the guiding stop collar is fixed at the bottom of the anti-overflow barrel and located at the periphery of the vent, the other end of the guiding stop collar extends towards the side wall direction of the limiting cavity, the guiding stop collar is used for guiding the buoyancy member towards the direction of the vent when the buoyancy member ascends, and limiting the horizontal direction of the buoyancy member when the buoyancy member blocks the vent.
Optionally, the lateral wall of spacing section of thick bamboo is provided with the induction port, the induction port with spacing chamber intercommunication, the direction stop collar is close to the one end of the lateral wall in spacing chamber extends to one side of induction port.
Optionally, one end of the guiding limit sleeve, which is fixed at the bottom of the anti-overflow cylinder, is provided with a sealing part, the sealing part extends towards the direction of the air vent, and when the air vent is plugged by the buoyancy piece, the surface of the buoyancy piece is attached to the end face, close to the air vent, of the sealing part.
Optionally, the flushing device further comprises a blocking unit, an air inlet is further formed in the surface of the water storage tank, and the blocking unit is used for blocking the air inlet when the vacuumizing device vacuumizes the water storage cavity and opening the air inlet when the flushing unit flushes the flowmeter.
Optionally, the shutoff unit includes driver, mount and shutoff dish, the mount is fixed in on the storage water tank and be located one side of air inlet, the driver is fixed in on the shutoff dish, the drive end of driver towards the direction of air inlet extends, the shutoff dish is fixed in on the drive end of driver, the driver is used for works as evacuating device is right the water storage chamber evacuation time, the drive shutoff dish is right the air inlet shutoff is and works as the flushing unit washes the flowmeter, the drive shutoff dish will the air inlet is opened.
Optionally, an auxiliary water tank is arranged on the water inlet pipe, an auxiliary water cavity is arranged in the auxiliary water tank and is communicated with the water inlet pipe, and the auxiliary water cavity is used for storing part of clean water introduced into the water storage cavity by the water inlet pipe.
Compared with the prior art, the flowmeter flushing device provided by the invention has the beneficial effects that: the water storage tank is internally provided with a water storage cavity, a vacuum pipe and a water inlet pipe which are communicated with the water storage cavity are fixed in the water storage tank, the water inlet pipe is used for connecting an external water source, the vacuum pipe is used for connecting with the external vacuumizing device, and before the flushing device flushes, the vacuumizing device vacuumizes the inside of the water storage cavity through the vacuum pipe, so that negative pressure is formed in the inside of the water storage cavity, and the external water source can be introduced into the water storage cavity through a water inlet pipe orifice under the action of external air pressure and is stored by the water storage cavity; the water inlet end of the flushing unit is communicated with the water storage cavity, and the topography of the flushing end of the flushing unit is lower than that of the water storage cavity, so that clean water in the water storage cavity can flow from the water inlet end to the flushing end through self gravity when the flushing operation of the flowmeter is carried out, and the flowmeter at the flushing end is flushed; through the structure, the flushing process of the flowmeter only needs to consume a small amount of energy consumption when the vacuumizing device vacuumizes, and the energy consumption of the flushing process of the flowmeter is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a flowmeter flushing device according to an embodiment of the present invention.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a front view of a flowmeter flushing device according to an embodiment of the present invention.
Fig. 4 is a schematic view of the structure taken along line A-A in fig. 3.
Fig. 5 is a cross-sectional view of a water storage tank and a plugging unit of a flowmeter flushing device according to an embodiment of the present invention.
Fig. 6 is a partial enlarged view at a in fig. 5.
Wherein, each reference sign in the figure:
10-water storage tank 11-water storage cavity 12-vacuum tube
13-water inlet pipe 14-air inlet 15-mounting rack
16-annular base 10 a-flowmeter 20-flushing unit
21-water inlet end 22-flushing end 23-flushing pipe
24-electromagnetic valve 30-overflow preventing unit 31-buoyancy member
32-limit cylinder 33-sensor 34-overflow-preventing cylinder
35-blocking film 36-guiding limit sleeve 40-blocking unit
41-driver 42-fixing frame 43-blocking disk
131-auxiliary water tank 132-auxiliary water cavity 133-filtering module
161-sealing bulge 311-annular sealing surface 321-limiting cavity
322-water inlet 323-air suction port 341-overflow-proof cavity
342-vent 361-seal.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a flowmeter flushing device, which comprises a water storage tank 10 and a flushing unit 20, wherein a water storage cavity 11 is arranged in the water storage tank 10, a vacuum tube 12 and a water inlet tube 13 which are communicated with the water storage cavity 11 are fixed on the water storage tank 10, and the water inlet tube 13 is used for connecting an external water source; the vacuum tube 12 is used for connecting a vacuumizing device, so that the water storage cavity 11 is vacuumized, negative pressure is formed in the water storage cavity 11, and an external water source is led into the water storage cavity 11 through the water inlet tube 13 under the action of air pressure; the flushing unit 20 comprises a water inlet end 21 and a flushing end 22 communicated with the water inlet end 21, the water inlet end 21 is communicated with the water storage cavity 11, the flushing end 22 is used for being connected with the flowmeter 10a, the topography of the flushing end 22 is lower than that of the water storage cavity 11, so that clear water in the water storage cavity 11 can flow from the water inlet end 21 to the flushing end 22 through gravity, and a front end detection area of the flowmeter 10a of the flushing end 22 is flushed.
Specifically, by arranging the water storage tank 10, the vacuumizing device and the flushing unit 20, the water storage cavity 11 is arranged in the water storage tank 10, the vacuum tube 12 and the water inlet tube 13 which are communicated with the water storage cavity 11 are fixed on the water storage tank 10,the water inlet pipe 13 is used for connecting pipes External water sources such as channels, pipes, diversion wells, reservoirs and the likeThe vacuum pipe 12 is used for connecting a vacuumizing device, one end of the water inlet pipe 13 exposed outside the water storage tank 10 is connected to external water sources such as a pipeline, a pipe culvert, a diversion well, a water storage tank and the like before the flushing device flushes, the vacuumizing device vacuumizes the inside of the water storage cavity 11 through the vacuum pipe 12 to enable the inside of the water storage cavity 11 to form negative pressure, and when the negative pressure reaches a certain value, the external water sources can enter the water storage cavity through the water inlet pipe under the action of external air pressureThe water pipe 13 is introduced into the water storage cavity 11, and is stored by the water storage cavity 11; because the water inlet end 21 of the flushing unit 20 is communicated with the water storage cavity 11, the topography of the flushing end 22 of the flushing unit 20 is lower than that of the water storage cavity 11, so that when the flushing operation of the flowmeter 10a is carried out, the clean water in the water storage cavity 11 can flow from the water inlet end 21 to the flushing end 22 through the gravity of the clean water, and the flowmeter 10a of the flushing end 22 is flushed; through the structure, the flushing process of the flowmeter 10a only needs to consume a small amount of energy consumption when the vacuumizing device vacuumizes, and the energy consumption of the flushing process of the flowmeter 10a is effectively reduced.
It will be appreciated that the water storage tank 10 may have any structure such as a circular shape, a square shape, etc., and the surface of the water storage tank 10 is further provided with a mounting bracket 15 for fixing the water storage tank 10.
In this embodiment, the water storage chamber 11 should store 20L of water to ensure effective flushing of the flowmeter 10 a.
In this embodiment, in order to prevent water in the water storage chamber 11 from overflowing into the vacuum tube 12 during the vacuuming process, the vacuum tube 12 is fixed to the top of the water storage tank 10.
In this embodiment, in order to prevent sediment from entering the water storage chamber 11, a filtering module 133 is disposed at one end of the water inlet pipe 13 connected to the water source. Meanwhile, in order to prevent water in the water storage chamber 11 from flowing back to the water inlet pipe 13, one end of the water inlet pipe 13 fixed to the water storage tank 10 extends toward the top wall of the water storage chamber 11.
It is understood that the filtering module 133 may be any device that can filter the water entering the water storage cavity, such as a filter screen, filter cotton, activated carbon, etc.
It is understood that the vacuum pumping device may be a vacuum pump, a vacuum pumping machine, or any device capable of continuously pumping vacuum to the water storage chamber 11.
In this embodiment, the flushing unit 20 further includes a flushing pipe 23 and an electromagnetic valve 24, the upper end of the flushing pipe 23 is fixed on the water storage tank 10 and is communicated with the water storage cavity 11, the lower end of the flushing pipe 23 is connected to the flowmeter 10a, one end of the flushing pipe 23 fixed on the water storage tank 10 forms a water inlet end 21, one end of the flushing pipe 23 connected to the flowmeter 10a forms a flushing end 22, the electromagnetic valve 24 is mounted on the flushing pipe 23 and is used for controlling on-off of the flushing pipe, when the vacuumizing device vacuumizes the water storage tank 10, the electromagnetic valve 24 is closed, and when the flushing pipe 23 flushes the flowmeter 10a, the electromagnetic valve 24 is opened.
In this embodiment, further, solenoid valve 24 is a ball valve model DN32-24VS2-B-501-DNZ 2416.
In this embodiment, further, the flushing device is further provided with a controller, and the evacuation device and the solenoid valve 24 are electrically connected to the controller.
It will be appreciated that in order to facilitate the passage of air through the through-holes into the water storage chamber 11, a closable through-hole may be provided in the surface of the water storage tank 10.
In this embodiment, the flushing device further includes a blocking unit 40, the surface of the water storage tank 10 is further provided with an air inlet 14, and the blocking unit 40 is used for blocking the air inlet 14 when the vacuumizing device vacuumizes the water storage cavity 11, and opening the air inlet 14 when the flushing unit 20 flushes the flowmeter 10 a. Specifically, by providing the air inlet 14, air can be quickly introduced into the water storage chamber 11 at the time of flushing the flowmeter 10a, so as to accelerate the water inflow of the flushing unit.
In this embodiment, the plugging unit 40 includes a driver 41, a fixing frame 42 and a plugging disc 43, the fixing frame 42 is fixed on the water storage tank 10 and is located at one side of the air inlet 14, the driver 41 is fixed on the plugging disc 43, the driving end of the driver 41 extends towards the direction of the air inlet 14, the plugging disc 43 is fixed on the driving end of the driver 41, the driver 41 is used for driving the plugging disc 43 to plug the air inlet 14 when the vacuumizing device vacuumizes the water storage cavity 11, and driving the plugging disc 43 to open the air inlet 14 when the flushing unit 20 is required to flush the flowmeter 10 a. Specifically, by blocking of the blocking disk 43, sealing of the air intake 14 can be effectively achieved.
It will be appreciated that the actuator 41 may be a pneumatic or hydraulic cylinder.
It will be appreciated that the sealing disc 43 may be applied to the surface of the tank 10 to seal the inlet 14 or to the side wall of the inlet 14 to seal the access opening.
In this embodiment, further, in order to effectively seal the air inlet 14 by the plugging disc 43, the surface of the water storage tank 10 is fixed with an annular base 16, the annular base 16 is located at the periphery of the air inlet 14, a sealing protrusion 161 is provided on the surface of the annular base 16, and the plugging disc 43 is attached to the sealing protrusion 161 to seal the air inlet 14.
Optionally, the flushing device further includes an anti-overflow unit 30, the anti-overflow unit 30 includes a buoyancy member 31, a limiting cylinder 32 and an inductor 33, the limiting cylinder 32 is fixed in the water storage cavity 11, a limiting cavity 321 communicated with the water storage cavity 11 is arranged in the limiting cylinder 32, the limiting cavity 321 extends towards the height direction of the water storage cavity 11, the buoyancy member 31 is arranged in the limiting cavity 321 and can lift along the limiting cavity 321 under the buoyancy action of water, the inductor 33 is fixed on the water storage tank 10 and is located above the buoyancy member 31, the inductor 33 is electrically connected with the controller, and when the inductor 33 senses that the buoyancy member 31 rises to a certain height, the controller controls the vacuumizing device to stop running.
Specifically, because the spacing cavity 321 is communicated with the water storage cavity 11, water in the water storage cavity 11 can enter the spacing cavity 321, when the water level in the water storage cavity 11 rises, the buoyancy member 31 can be driven to rise along the spacing cavity 321, so that the buoyancy member 31 is close to the sensor 33, when the buoyancy member 31 rises to a certain height, the controller controls the vacuumizing device to stop vacuumizing the inside of the water storage tank 10, and the phenomenon that the water level in the water storage cavity 11 is too high and enters the vacuumizing device from the vacuum tube 12 is avoided, so that damage is caused to the vacuumizing device.
It can be appreciated that the limiting cylinder 32 can be fixed on any part such as the top wall, the side wall or the bottom wall of the water storage cavity 11, and only needs to extend the limiting cavity 321 towards the top of the water storage cavity 11 and communicate with the water storage cavity 11.
In this embodiment, a water inlet 322 is provided at the bottom of the limiting cylinder 32 to allow water in the water storage chamber 11 to enter the limiting chamber 321.
It will be appreciated that the buoyancy member 31 may be any structure capable of floating on the water surface.
It is understood that the sensor 33 may be any sensing member having a distance sensing function such as a proximity switch, a displacement sensor, or the like.
Optionally, the anti-overflow unit further includes an anti-overflow barrel 34, the top of the anti-overflow barrel 34 is fixed on the top wall of the water storage cavity 11, a sealed anti-overflow cavity 341 is provided in the anti-overflow barrel 34, one end of the vacuum tube 12 fixed on the water storage tank 10 is communicated with the anti-overflow cavity 341, one end of the limiting barrel 32 far away from the bottom wall of the water storage cavity 11 is fixed on the bottom of the anti-overflow barrel 34, a vent 342 communicating the anti-overflow cavity 341 and the limiting cavity 321 is provided at the bottom of the anti-overflow barrel 34, the vent 342 is located on the ascending path of the buoyancy member 31, and when the buoyancy member 31 ascends to a certain height along the limiting cavity 321, the vent 342 is blocked. Specifically, since the anti-overflow cavity 341 is communicated with the limiting cavity 321 through the air vent 342, the limiting cavity 321 is communicated with the water storage cavity 11, the end part of the vacuum tube 12 extends into the anti-overflow cavity 341, when the anti-overflow cavity 341 is vacuumized, the water storage cavity 11 can form negative pressure, and since the buoyancy member 31 is plugged when rising to a certain height along the limiting cavity 321, the air vent 342 can be plugged, the communication between the anti-overflow cavity 341 and the water storage cavity 11 can be blocked, and water in the water storage cavity 11 is prevented from entering the anti-overflow cavity 341 and the vacuum tube 12.
It will be appreciated that the anti-overflow cartridge 34 may be secured to any location of the water storage chamber 11 and that the end of the vacuum tube 12 secured to the water storage tank 10 may extend into the anti-overflow chamber 341 in a bent, straight line or the like through the side wall of the anti-overflow cartridge 34.
In this embodiment, the vacuum tube 12 is fixed on the top of the water storage tank 10 and extends into the water storage cavity 11 along the height direction of the water storage tank 10, and the anti-overflow cylinder 34 is fixed on the top of the water storage cavity 11 and surrounds the periphery of the orifice of the vacuum tube 12, so as to realize the extension of one end of the vacuum tube 12 fixed on the water storage tank 10 towards the inside of the anti-overflow cavity 341.
In this embodiment, the buoyancy member 31 may have any structural form such as square, cylindrical, conical, or spherical, and when the buoyancy member 31 is square or cylindrical, the buoyancy member 31 may be attached to the bottom surface of the anti-overflow barrel 34 to seal the vent 342, and when the buoyancy member 31 is conical or spherical, the buoyancy member 31 may be attached to the side wall of the vent 342 or the end surface of the vent 342 to seal the vent 342.
In this embodiment, to improve the reliability of the buoyancy member 31 for blocking the vent 342, the anti-overflow unit further includes a blocking film 35, the blocking film 35 is attached to and fixed on the bottom wall of the anti-overflow cavity 341, the vent 342 is disposed on the blocking film 35, the vent 342 is a circular vent, the buoyancy member 31 is provided with an annular sealing surface 311, and when the buoyancy member 31 is lifted to a certain height, the annular sealing surface 311 is attached to the side wall of the vent 342 to block the vent 342. Specifically, by the annular sealing surface 311 conforming to the side wall of the vent 342, a stable seal of the buoyancy member 31 to the vent 342 can be achieved.
It is understood that the annular sealing surface 311 may be spherical or conical. In order to ensure stable lifting of the buoyancy member 31 along the limiting cavity 321, the buoyancy member 31 of the present embodiment has a spherical structure, and the annular sealing surface 311 is a spherical surface.
Optionally, the anti-overflow unit further includes a guiding stop collar 36, one end of the guiding stop collar 36 is fixed at the bottom of the anti-overflow barrel 34 and located at the periphery of the air vent 342, the other end of the guiding stop collar extends towards the side wall direction of the stop cavity 321, the guiding stop collar 36 is used for guiding the buoyancy member 31 towards the air vent 342 when the buoyancy member 31 ascends, and limiting the buoyancy member 31 in the horizontal direction when the buoyancy member 31 seals the air vent 342. Specifically, the guiding and limiting sleeve 36 may guide and limit the buoyancy member 31 to achieve stable sealing of the buoyancy member 31 to the vent opening 342.
Optionally, the side wall of the limiting cylinder 32 is provided with an air suction port 323, the air suction port 323 is communicated with the limiting cavity 321, and one end, close to the side wall of the limiting cavity 321, of the guiding limiting sleeve 36 extends to one side of the air suction port 323. Specifically, through the above arrangement of the guide limiting sleeve 36 and the air suction port 323, the air guide anti-overflow cavity 341 in the water storage cavity 11 can be guided, and the air suction to the water storage cavity 11 can be effectively accelerated.
Optionally, a sealing portion 361 is provided at one end of the guiding stop collar 36 fixed to the bottom of the anti-overflow barrel 34, the sealing portion 361 extends toward the air vent 342, and when the air vent 342 is plugged by the buoyancy member 31, the surface of the buoyancy member 31 is attached to the end face of the sealing portion 361 close to the air vent 342. Specifically, the sealing portion 361 can enhance the communication between the buoyancy element 31 and the bottom wall of the anti-overflow barrel 34, and meanwhile, the spacing cavity 321 and the anti-overflow cavity 341 can be further separated by the attachment between the buoyancy element 31 and the surface of the buoyancy element, so that water in the spacing cavity 321 is effectively prevented from entering the anti-overflow cavity 341.
Optionally, the water inlet pipe 13 is provided with an auxiliary water tank 131, an auxiliary water cavity 132 is arranged in the auxiliary water tank 131, the auxiliary water cavity 132 is communicated with the water inlet pipe 13, and the auxiliary water cavity 132 is used for storing part of clean water introduced into the water storage cavity 11 through the water inlet pipe 13. Specifically, the sub water chamber 132 may store a certain amount of water to prevent the water inlet pipe 13 from being blocked at one end connected to the water source, so that the water storage tank 10 cannot be continuously filled with water.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any other corresponding changes and modifications made in accordance with the technical idea of the present invention shall be included in the scope of the claims of the present invention.
Claims (7)
1. A flowmeter flushing device, comprising:
the water storage tank is internally provided with a water storage cavity, a vacuum pipe and a water inlet pipe which are communicated with the water storage cavity are fixed on the water storage tank, the water inlet pipe is used for being connected with an external water source, the vacuum pipe is used for being connected with an external vacuumizing device, so that negative pressure is formed in the water storage cavity, and the external water source is led into the water storage cavity through the water inlet pipe under the action of air pressure;
the flushing unit comprises a water inlet end and a flushing end communicated with the water inlet end, the water inlet end is communicated with the water storage cavity, the flushing end is used for being connected with a flowmeter, the topography of the flushing end is lower than that of the water storage cavity, so that clear water in the water storage cavity can flow from the water inlet end to the flushing end through gravity, and the flowmeter at the flushing end is flushed;
the anti-overflow unit comprises a limiting cylinder, a buoyancy piece, an inductor, an anti-overflow cylinder and a blocking film, wherein the limiting cylinder is fixed in the water storage cavity, a limiting cavity communicated with the water storage cavity is arranged in the limiting cylinder, the limiting cavity extends towards the height direction of the water storage cavity, the buoyancy piece is arranged in the limiting cavity and can lift along the limiting cavity under the action of buoyancy of water, the inductor is fixed on the water storage tank and is positioned above the buoyancy piece, the inductor is electrically connected with a controller, when the inductor senses that the buoyancy piece rises to a certain height, the controller controls the vacuumizing device to stop running, the anti-overflow cylinder is fixed on the inner wall of the water storage cavity, a closed anti-overflow cavity is arranged in the anti-overflow cylinder, one end of the vacuum tube fixed on the water storage cavity is communicated with the anti-overflow cavity, one end of the bottom wall of the limiting cylinder, which is far away from the water storage cavity, is fixed on the bottom of the anti-overflow cylinder, the anti-overflow cylinder is provided with an anti-overflow vent and the anti-overflow cavity is positioned on the bottom of the water storage cavity, and the anti-overflow cylinder is communicated with the anti-overflow cavity when the anti-overflow cylinder rises to a certain height, and the anti-overflow cavity is positioned on the anti-overflow cavity, and the anti-overflow cavity is communicated with the anti-overflow cavity; the sealing device comprises a sealing membrane, a vent, a buoyancy piece, a circular sealing surface and a vent, wherein the sealing membrane is attached to and fixed on the bottom wall of the anti-overflow cavity, the vent is arranged on the sealing membrane, the vent is a circular vent, the buoyancy piece is provided with the circular sealing surface, and when the buoyancy piece rises to a certain height, the circular sealing surface is attached to the side wall of the vent so as to seal the vent.
2. The flowmeter flushing device according to claim 1, wherein said overflow preventing unit further comprises a guide stopper having one end fixed to a bottom of said overflow preventing cylinder and located on a peripheral side of said vent hole, the other end of said guide stopper extending toward a side wall of said stopper chamber, said guide stopper being adapted to guide said buoyancy member toward said vent hole when said buoyancy member is lifted, and to limit a horizontal direction of said buoyancy member when said buoyancy member blocks said vent hole.
3. The flowmeter flushing device of claim 2, wherein the side wall of the limiting cylinder is provided with an air suction port, the air suction port is communicated with the limiting cavity, and one end of the guide limiting sleeve, which is close to the side wall of the limiting cavity, extends to one side of the air suction port.
4. The flowmeter flushing device according to claim 2, wherein a sealing portion is provided at one end of the guide stopper fixed to the bottom of the overflow preventing cylinder, the sealing portion extends in the direction of the vent port, and when the buoyancy member closes the vent port, the surface of the buoyancy member is in contact with an end face of the sealing portion adjacent to the vent port.
5. The flowmeter flushing device of any one of claims 1-4, further comprising a blocking unit, wherein an air inlet is further formed in the surface of the water storage tank, and the blocking unit is configured to block the air inlet when the vacuumizing device vacuumizes the water storage cavity, and to open the air inlet when the flushing unit flushes the flowmeter.
6. The flowmeter flushing device of claim 5, wherein the blocking unit comprises a driver, a fixing frame and a blocking disc, the fixing frame is fixed on the water storage tank and located on one side of the air inlet, the driver is fixed on the blocking disc, the driving end of the driver extends towards the air inlet, the blocking disc is fixed on the driving end of the driver, and the driver is used for driving the blocking disc to block the air inlet when the vacuumizing device vacuumizes the water storage cavity, and driving the blocking disc to open the air inlet when the flushing unit flushes the flowmeter.
7. The flowmeter flushing device according to any one of claims 1-4, wherein an auxiliary water tank is provided on the water inlet pipe, an auxiliary water chamber is provided inside the auxiliary water tank, the auxiliary water chamber is communicated with the water inlet pipe, and the auxiliary water chamber is used for storing part of clean water introduced into the water storage chamber by the water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210574558.5A CN114951102B (en) | 2022-05-25 | 2022-05-25 | Flowmeter flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210574558.5A CN114951102B (en) | 2022-05-25 | 2022-05-25 | Flowmeter flushing device |
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| CN114951102B true CN114951102B (en) | 2023-06-30 |
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| CN100588358C (en) * | 2007-04-28 | 2010-02-10 | 金日清洁设备(苏州)有限公司 | Wet type cleaning equipment |
| CN201991788U (en) * | 2011-04-11 | 2011-09-28 | 云南石金企业发展集团有限公司 | Self-suction type vacuum water pumping machine |
| CN106016774B (en) * | 2016-06-16 | 2018-01-09 | 广州市白云区竹料英特美太阳能热水器厂 | Glass tube with vacuum Solar Enercy Fission Geyser |
| CN207914206U (en) * | 2017-12-08 | 2018-09-28 | 陕西百世恒环保科技发展有限公司 | A kind of energy-efficient cleaning equipment |
| CN212733478U (en) * | 2020-08-04 | 2021-03-19 | 深圳市鑫科达自动化设备有限公司 | Plasma flat plate cleaning line |
| CN216205425U (en) * | 2021-05-17 | 2022-04-05 | 华能聊城热电有限公司 | Self-adaptive vacuum water replenishing device |
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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: No. 1, No. 189, Quqi North Road, Economic and Technological Development Zone, Wuhan City, Hubei Province, 430058 Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |