CN115371756A - Water meter - Google Patents
Water meter Download PDFInfo
- Publication number
- CN115371756A CN115371756A CN202210392768.2A CN202210392768A CN115371756A CN 115371756 A CN115371756 A CN 115371756A CN 202210392768 A CN202210392768 A CN 202210392768A CN 115371756 A CN115371756 A CN 115371756A
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- Prior art keywords
- water
- water inlet
- chamber
- driving
- turbine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 218
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims description 94
- 238000011001 backwashing Methods 0.000 claims description 37
- 239000002893 slag Substances 0.000 claims description 31
- 230000005284 excitation Effects 0.000 claims description 22
- 238000004146 energy storage Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
- G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
- G01F15/125—Filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a water meter, which comprises a shell, a water inlet pipe, a water outlet pipe and a reading assembly, and is characterized in that: inside buffer room, driver's room, the filter chamber of being provided with of casing, the buffer room with the inlet tube intercommunication, the driver's room is provided with the water inlet and passes through water inlet and buffer room intercommunication, at first integrated annular filter core filter effect is superior to netted filter core and uses in water purification technology many times, and the filtration mode through upper and lower distribution guarantees that the intaking of water gauge, the play water position need not make too big change under the prerequisite of filter effect, the influence to the velocity of flow of water that has avoided water inlet and delivery port discrepancy to bring through turbine structure simultaneously, and can provide the battery in the water gauge through the mechanical energy that produces when using water simultaneously, guarantee the reliability for the electronic equipment power supply in the water gauge, and the count logic of water gauge also realizes the measurement to water flow through the induced current's of sampling coil change.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to a water meter.
Background
The water meter is an important tool for household metering, which is mostly used for detecting the water consumption of residents, along with more demands on the water meter, more and more water meters start to integrate the following functions, namely water quantity alarm, water pressure alarm and water leakage alarm, which undoubtedly put higher requirements on the structure and the function of the water meter, more importantly, the precision requirement on the water meter is very high, and the other problems affecting the precision and the service life are two, namely, the water quality problem caused by a water supply waterway is one, the existing water meter has no effect of purifying the water quality, an independent household water purifier is arranged, the number of interfaces and the complexity of components are undoubtedly increased, particularly, the water meter capable of filtering impurities in water is provided corresponding to the water supply environment with poor water quality, the number of the interfaces is reduced, meanwhile, the problem of the service life and the design cost caused by the complexity of independently constructing the design is reduced, the other problem that the water scale cannot be discharged is that the scale exists in the water meter, the problem that the scale affects the actual use precision is still provided by the application number CN202111313701.7, and the filter element cannot be generally applied to the filter element, so that the scale can not be deposited in the filter element, and the filter element can not be generally applied to the water meter.
Disclosure of Invention
In view of the above, the present invention is directed to a water meter.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a water meter comprises a shell, a water inlet pipe, a water outlet pipe and a reading assembly, wherein a buffer chamber, a driving chamber and a filtering chamber are arranged in the shell, the buffer chamber is communicated with the water inlet pipe, the driving chamber is provided with a water inlet and is communicated with the buffer chamber through the water inlet, the water inlet is provided with a first direction, so that water flow entering from the water inlet has a first rotation direction in the driving chamber, a turbine structure is arranged in the driving chamber and comprises turbine blades and a turbine rotating rod, the turbine rotating rod is linked with the reading assembly to measure water flow, when the turbine structure is driven to rotate in the first rotation direction by water flow, the turbine blades provide upward components for the water flow, the filtering chamber is arranged above the driving chamber, the filtering chamber is divided into a filtering outer chamber and a filtering inner chamber through an annular filter element, the filtering outer chamber is communicated with the driving chamber, and the filtering inner chamber is communicated with the water outlet pipe;
the reading assembly includes reading coil, flow detection module, energy storage module and display module, the turbine bull stick passes the filter chamber gets into the reading assembly, be provided with the permanent magnet on the turbine bull stick, the reading coil sets up to a plurality ofly and encloses to be located the permanent magnet, the turbine bull stick rotate the time in produce induced-current on the reading coil, flow detection module coupling is in reading coil is in order to detect the rotation stroke of turbine bull stick is in order to generate flow information, and in display module shows flow information, energy storage module is including the electric power storage power supply, energy storage module coupling is in reading coil is in order to receive induced-current extremely the storage power supply storage, display module with flow detection module passes through the electric power storage power supply.
Furthermore, the reading assembly further comprises an excitation driving module, a power supply end of the excitation driving module is coupled to the power storage power supply, a driving end of the excitation driving module is coupled to the reading coil, and the excitation driving module alternately sends excitation signals to the reading coil to drive the turbine rotating rod to rotate.
Further, the driving chamber is composed of an upper sealing cover plate and a cup-shaped spacer bush, the upper sealing cover plate is provided with an overflow port for communicating the driving chamber with the filtering chamber, the cup-shaped spacer bush comprises an inner spacer bush and an outer spacer bush, the outer spacer bush is fixedly connected with the upper sealing cover plate, the inner spacer bush is rotatably connected with the upper sealing cover plate, the side wall of the outer spacer bush is provided with an outer water inlet branch port, the side wall of the inner spacer bush is provided with an inner water inlet branch port, the bottom of the outer spacer bush is provided with an outer slag discharge branch port, the bottom of the inner spacer bush is provided with an inner slag discharge branch port, when the outer spacer bush and the inner spacer bush have a first positional relationship, the inner water inlet branch port is communicated with the outer water inlet port to form the water inlet, and the inner slag discharge branch port and the outer slag discharge port are staggered to seal the bottom of the cup-shaped spacer bush; when the outer spacer bush and the inner spacer bush have a second positional relationship, the inner water inlet branch port and the outer water inlet branch port are staggered to seal the water inlet, the inner slag discharge branch port is communicated with the outer slag discharge branch port to form a slag discharge port, and the slag discharge port is communicated to the bottom of the shell;
a unidirectional driving structure is arranged between the inner spacer sleeve and the turbine rotating rod and is used for driving the inner spacer sleeve to rotate on the upper cover plate, when the turbine rotating rod has a first rotating direction, the unidirectional driving structure keeps the outer spacer sleeve and the inner spacer sleeve in a first position relation, and when the turbine rotating rod has a second rotating direction opposite to the first rotating direction, the unidirectional driving structure drives the inner spacer sleeve to rotate on the upper cover plate.
Furthermore, the unidirectional driving structure comprises a unidirectional driving tooth and a plurality of linkage pawls, a rotating shaft of each linkage pawl is fixed to the inner spacer sleeve, a pawl body of each linkage pawl is matched with the unidirectional driving tooth, the unidirectional driving tooth is fixed to the turbine rotating rod, and the unidirectional driving tooth drives the inner spacer sleeve to rotate through the linkage pawl when having a second rotation direction.
Further, the reading assembly further comprises a wireless control module, and the wireless control module is used for being in communication connection with the water inlet valve to control the water inlet valve to be switched on or switched off.
Further, the reading assembly is provided with a controller, the controller is provided with a backwashing strategy, the controller executes the backwashing strategy according to a preset backwashing frequency, the backwashing strategy comprises a backwashing triggering step, a backwashing executing step and a backwashing stopping step, the backwashing triggering step comprises the step of judging whether a preset backwashing condition is met, when the preset backwashing condition is met, the water inlet valve is controlled to stop and the backwashing executing step is carried out, the backwashing executing step comprises the step of controlling the turbine rotating rod to rotate along a second rotation direction for a first preset time through the excitation driving module, rotating the inner spacer bush to have a second position relation with the outer spacer bush, and entering the backwashing stopping step until the preset stopping condition is met, and the backwashing stopping step comprises the step of controlling the water inlet valve to be switched on and rotating the inner spacer bush to have a first position relation with the outer spacer bush.
Furthermore, the backwashing condition is that the water outlet has water flow, and the stopping condition is that the liquid in the driving chamber is emptied.
Further, the energy storage module comprises a rectifying circuit and a charging circuit, the rectifying circuit is coupled with the reading coil, and the charging circuit is coupled between the rectifying circuit and the storage battery;
the flow detection module comprises a trigger circuit and a counting circuit, wherein the trigger circuit is coupled with the rectifying circuit to generate a rectifying pulse according to the conduction condition of the rectifying circuit, and the counting circuit is coupled with the trigger circuit to generate the rectifying pulse according to the rectifying pulse.
Furthermore, the annular filter element is provided with a yielding groove, and one part of the water outlet pipe enters the yielding groove and is in sealing connection with the contact position of the annular filter element.
Furthermore, a washing liquid filling port is arranged on the water inlet pipe.
The technical effects of the invention are mainly embodied in the following aspects: the water meter comprises a water meter body, a water inlet, a water outlet, a turbine structure, a sampling coil, a water inlet, a water outlet, a storage battery, a sampling coil, a water inlet and a water outlet, wherein the water inlet and the water outlet are arranged on the water meter body, the sampling coil is arranged on the water meter body, the water inlet and the water outlet are arranged on the water meter body, the filtering effect of the integrated annular filter element is superior to that of a mesh filter element and is mostly applied to the water purification technology, the water inlet and the water outlet of the water meter are not required to be changed greatly on the premise that the filtering effect is guaranteed through a filtering mode distributed up and down, meanwhile, the influence on the flow velocity of water caused by the height difference of the water inlet and the water outlet is avoided through the turbine structure, meanwhile, the mechanical energy generated during water consumption can be provided for the storage battery in the water meter, the power supply of electronic equipment in the water meter body is guaranteed to be reliable, and the counting logic of the water meter also realizes the metering of the water flow through the change of the induced current of the sampling coil.
Drawings
FIG. 1: the invention relates to a water meter appearance shaft measuring and indicating intention;
FIG. 2 is a schematic diagram: the invention is a schematic diagram of the internal section of a water meter;
FIG. 3: the invention discloses a topological diagram of a water meter control system;
FIG. 4: the invention relates to a reading coil installation diagram;
FIG. 5 is a schematic view of: the inner spacer sleeve and the outer spacer sleeve have a first relative position, and the inner schematic diagram of the water meter is shown;
FIG. 6: the inner spacer sleeve and the outer spacer sleeve have a second relative position, and the inner schematic diagram of the water meter is shown;
FIG. 7: the invention discloses a schematic diagram of a one-way driving structure when an inner spacer sleeve and an outer spacer sleeve have a first relative position;
FIG. 8: the invention discloses a schematic diagram of a one-way driving structure when an inner spacer and an outer spacer are in a second relative position.
Reference numerals: 100. a housing; 101. a water inlet pipe; 1011. a washing liquid filling port; 102. a water outlet pipe; 1021. a water outlet; 110. a buffer chamber; 120. a drive chamber; 121. a water inlet; 122. an upper sealing cover plate; 1221. an overflow port; 123. an inner spacer sleeve; 1231. an inner water inlet branch port; 1232. dividing the inner slag discharge port; 124. an outer spacer sleeve; 1241. an external water inlet branch port; 1242. opening the discharged slag; 125. a slag discharge port; 130. a filtering chamber; 131. an annular filter element; 1311. a yielding groove; 132. filtering the outer cavity; 133. filtering the inner cavity; 141. a turbine rotor bar; 142. a turbine blade; 143. a unidirectional drive tooth; 144. a linked pawl; 200. a reading assembly; 210. a reading coil; 220. a flow detection module; 230. an energy storage module; 240. a display module; 250. an excitation driving module; 260. a controller; 270. and a wireless control module.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
Referring to fig. 1-2, a water meter comprises a housing 100, a water inlet pipe 101, a water outlet pipe 102 and a reading assembly 200, wherein a buffer chamber 110, a driving chamber 120 and a filter chamber 130 are arranged in the housing 100, the water meter is divided into four regions, the water enters the buffer chamber 110 from the water inlet pipe 101 in sequence, the water enters the driving chamber 120 after being buffered, the driving chamber 120 is filled with water and then upwards sends the water into the filter chamber 130 for filtering, and then the water is discharged through the water outlet pipe 102, the reading assembly 200 is arranged above the filter chamber 130, a circuit is arranged in the sealed interior of the filter chamber 130 relatively for metering, reading, energy storage and the like, the buffer chamber 110 is communicated with the water inlet pipe 101, the driving chamber 120 is provided with a water inlet 121 and is communicated with the buffer chamber 110 through the water inlet 121, the water inlet 121 has a first direction so that the water entering from the water inlet 121 has a first rotary direction in the driving chamber 120, the water inlet 121 is inclined in a tangential direction so as to generate a circular water flow in the driving chamber 120 for driving the turbine structure, the turbine structure is described first, the turbine structure is disposed in the driving chamber 120, the turbine structure includes turbine blades 142 and turbine rotating rods 141, the turbine rotating rods 141 are linked with the reading assembly 200 to measure the flow rate of the water flow, when the turbine structure is driven to rotate in a first rotation direction, the turbine blades 142 provide an upward component to the water flow, the water flow can drive the turbine blades 142 to rotate and drive the turbine rotating rods 141 to rotate, so that the size of the passing water flow can be directly calculated according to the rotation amount, of course, the present invention is optimized and improved in measurement technology, which will be described in detail below, and the turbine rotates to drive the water flow to move upward, thereby making it easier for the water flow to overcome the difference in height to enter the filter chamber 130, said filter chamber 130 being disposed above the drive chamber 120, said filter chamber 130 being divided into an outer filter chamber 132 and an inner filter chamber 133 by an annular filter element 131, said outer filter chamber 132 being in communication with said drive chamber 120, said inner filter chamber 133 being in communication with said outlet pipe 102; after the water flow enters the filtering outer cavity 132 of the filtering chamber 130, the water flow enters the driving chamber 120 through the annular filter element 131 due to the hydraulic pressure of the water flow, and the annular filter element 131 is generally used in the field of water purification, although it is more applicable, it is difficult to combine the water flow into the water meter, because if the annular filter element 131 is directly arranged, the filter element part position caused by the difference of the water pressure at different positions is less used in filtering, so the filter element in the water meter generally uses a net-shaped filter element (the illustrated filter element is a frame, the bottom of the filter element is completely sealed, the water flow can only enter from the side, and the filter mesh is in the nanometer scale, so the frame is drawn for the convenience of view), and if the annular filter element is arranged above the water inlet pipe 101, firstly the water flow generates a height difference, and secondly the position of the water outlet pipe 102 is difficult to design, whereas in the present invention, a relief groove 1311 is arranged through the annular filter element 131, and a part of the water outlet pipe 102 enters the relief groove 1311 and is connected with the contact position of the annular filter element 131 in a sealing manner. Meanwhile, the turbine blades 142 are combined to overcome the condition that the height difference affects the water pressure of water flow, and meanwhile, the water outlet pipe 102 is arranged on one side of the annular filter element 131, so that the position of the water outlet pipe 102 can be normally arranged, the annular filter element 131 can be utilized to the maximum degree, and the filtering effect is improved.
On the other hand, the present invention is also greatly optimized in terms of electrical control technology, referring to fig. 3, the reading assembly 200 includes a reading coil 210, a flow rate detecting module 220, an energy storage module 230, and a display module 240, the turbine rotating rod 141 passes through the filtering chamber 130 and enters the reading assembly 200, a permanent magnet is disposed on the turbine rotating rod 141, the reading coil 210 is disposed in plurality and surrounds the permanent magnet, an induced current is generated on the reading coil 210 when the turbine rotating rod 141 rotates, the flow rate detecting module 220 is coupled to the reading coil 210 to detect a rotation stroke of the turbine rotating rod 141 to generate flow rate information, and the flow rate information is displayed on the display module 240, the energy storage module 230 includes an electrical storage power source, the energy storage module 230 is coupled to the reading coil 210 to receive the induced current to be stored in the electrical storage power source, and the display module 240 and the flow rate detecting module 220 are powered by the electrical storage power source. The reading assembly 200 further comprises an excitation driving module 250, a power supply end of the excitation driving module 250 is coupled to the stored power supply, a driving end of the excitation driving module 250 is coupled to the reading coil 210, and the excitation driving module 250 alternately sends an excitation signal to the reading coil 210 to drive the turbine rotating rod 141 to rotate. The reading assembly 200 further comprises a wireless control module 270, wherein the wireless control module 270 is used for being connected with the water inlet valve in a communication mode to control the on-off of the water inlet valve. The energy storage module 230 comprises a rectifying circuit coupled to the reading coil 210 and a charging circuit coupled between the rectifying circuit and the storage battery; the flow detection module 220 includes a trigger circuit coupled to the rectifying circuit for generating a rectifying pulse according to a conduction condition of the rectifying circuit, and a counting circuit coupled to the trigger circuit for generating the rectifying pulse according to the rectifying pulse. Firstly, in the aspect of circuit control, the invention realizes the following functions: 1. the metering function is that as shown in fig. 4, the coils are all arranged around the rotating shaft of the turbine rotating rod 141, and due to the design of the permanent magnet, the turbine rotating rod 141 can generate a magnetic field when rotating, an induced current is generated in the coils, and the positions corresponding to different coils are different, so that the position of the turbine rotating rod 141 can be determined through the coil numbers, and then the water flow rate is determined through the frequency and amplitude generated by the induced current, as shown in fig. 3, the invention generates a rectification pulse through the rectification circuit in combination with the threshold trigger, and when the corresponding rectification branch is conducted, the rectification pulse is generated to the counter, and the counter forms flow information through counting, thereby playing the metering function. 2. The energy storage function of charging, in which induced current is generated by the coil, and then the current is stored in the storage battery through the rectification of the energy storage module 230 and the charging circuit, so as to provide electric energy required for daily work of the water meter, no extra wiring is required, which is relatively safe and reliable, and this water meter energy storage technology is relatively common and is not described in detail; 3. the invention can also realize the water pressure lifting through the excitation drive, can play a role in lifting the water flow by driving the water flow to rotate in the first rotation direction, and can improve the water pressure when the water pressure of a user is insufficient. 4. And excitation drive can play the effect of clean backwash filter core when the second revolves to, make rivers from water gauge bottom discharge water sediment, concrete excitation drive principle is through the battery and pass through inverter circuit and produce the electric current, thereby will produce electric current on reading coil 210 and produce the magnetic field at turbine bull stick 141 position and drive turbine bull stick 141 and rotate like this, can rotate the direction through switching power supply control, and can control torque through the output current size, can control the rotational speed through frequency control, motor drive circuit design can be referred to specific circuit, do not do this again and describe repeatedly.
The core function of the present invention, cleaning the filter element, is described in detail below, and the following structure is first designed, where the driving chamber 120 is composed of an upper cover plate 122 and a cup-shaped spacer, the upper cover plate 122 is formed with an overflow port 1221 communicating the driving chamber 120 with the filtering chamber 130, the cup-shaped spacer includes an inner spacer 123 and an outer spacer 124, the outer spacer 124 is fixedly connected with the upper cover plate 122, the inner spacer 123 is rotatably connected with the upper cover plate 122, the sidewall of the outer spacer 124 is formed with an outer water inlet port 1241, the sidewall of the inner spacer 123 is formed with an inner water inlet port 1231, the bottom of the outer spacer 124 is formed with an outer slag discharge port 1242, the bottom of the inner spacer 123 is formed with an inner slag discharge port 1232, and when the outer spacer 124 and the inner spacer 123 have a first positional relationship, the inner water inlet port 1231 is communicated with the outer water inlet port 1231 to form the water inlet 121, and the inner slag discharge port 1232 and the outer slag discharge port 1242 are staggered to seal the bottom of the cup-shaped spacer; when the outer spacer 124 and the inner spacer 123 have a second positional relationship, the inner water inlet branch 1231 and the outer water inlet branch 1241 are dislocated to seal the water inlet 121, the inner slag discharge branch 1232 and the outer slag discharge branch 1242 are communicated to form a slag discharge port 125, and the slag discharge port 125 is communicated to the bottom of the shell 100; that is to say, the cup-shaped spacer is two-layered and has two position states, the first position state is designed for discharging slag, most of the scale will accumulate in the filtering chamber 130 due to the design of the filter element, when the water inlet 121 is blocked and the slag discharge port 125 is opened, the water flow will naturally discharge downwards due to gravity, and enter the filtering outer chamber 132 from the filtering inner chamber 133 through the filter element, and then enter the driving chamber 120, and then flow out to the slag discharge port 125, after the practical use, the slag discharge can be completed by changing the position relationship between the outer spacer 124 and the inner spacer 123, a one-way driving structure is arranged between the inner spacer 123 and the turbine rotating rod 141, the one-way driving structure is used for driving the inner spacer 123 to rotate on the upper cover plate 122, when the turbine rotating rod 141 has a first rotation direction, the one-way driving structure keeps the outer spacer 124 and the inner spacer 123 in the first position relationship, and when the turbine rotating rod 141 has a second one-way rotation direction opposite to the first rotation direction, the one-way driving structure drives the inner spacer 123 to rotate on the cover plate 122. The unidirectional driving structure ensures that the turbine rotating rod 141 driven by water flow does not change the position relationship between the inner spacer 123 and the outer spacer 124, the turbine rotating rod 141 can normally rotate, and the inner spacer 123 is synchronously driven to rotate when the turbine rotating rod 141 rotates reversely. Specifically, the unidirectional driving structure comprises a unidirectional driving tooth 143 and a plurality of linkage pawls 144, a rotating shaft of the linkage pawl 144 is fixed to the inner spacer 123, a pawl body of the linkage pawl 144 is matched with the unidirectional driving tooth 143, the unidirectional driving tooth 143 is fixed to the turbine rotating rod 141, and the unidirectional driving tooth 143 drives the inner spacer 123 to rotate through the linkage pawl 144 when having a second rotation direction.
In order to realize the control of backwashing, the reading assembly 200 is provided with a controller 260, the controller 260 is provided with a backwashing strategy, the controller 260 executes the backwashing strategy according to a preset backwashing frequency, the backwashing frequency is realized according to the using time or by detecting scales through a sensor, the backwashing needs to be carried out by introducing water flow and discharging water flow in such a reciprocating way, and the backwashing strategy can be completed specifically, the backwashing strategy comprises a backwashing triggering step, a backwashing executing step and a backwashing stopping step, the backwashing triggering step comprises judging whether a preset backwashing condition is met, when the preset backwashing condition is met, the water inlet valve is controlled to stop and the backwashing executing step is carried out, the backwashing executing step comprises controlling the turbine rotating rod 141 to rotate along a second rotation direction for a first preset time through the excitation driving module 250, the inner spacer 123 is rotated to have a second position relation with the outer spacer 124, and the backwashing stopping step is carried out until the preset stopping condition is met, and the backwashing stopping step comprises controlling the water inlet valve to be conducted and rotating the inner spacer 123 to have a first position relation with the outer spacer 124. The backwash condition is water flow at the water outlet 1021, and the cutoff condition is liquid evacuation from the drive chamber 120. The detection of the liquid condition in each chamber can be realized through a liquid level sensor arranged in the water meter. A washing liquid filling port 1011 is arranged on the water inlet pipe 101. The washing liquid can be filled through the washing liquid filling port 1011 to promote the discharge of scale, and the washing liquid may need to be circulated more times to ensure that no washing liquid remains inside due to the filling relation of the washing liquid.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (10)
1. A water meter comprises a shell, a water inlet pipe, a water outlet pipe and a reading assembly, and is characterized in that: the shell is internally provided with a buffer chamber, a driving chamber and a filtering chamber, the buffer chamber is communicated with the water inlet pipe, the driving chamber is provided with a water inlet and is communicated with the buffer chamber through the water inlet, the water inlet has a first direction so that water flow entering from the water inlet has a first rotating direction in the driving chamber, a turbine structure is arranged in the driving chamber and comprises turbine blades and turbine rotating rods, the turbine rotating rods are linked with the reading assembly to measure the flow rate of the water flow, when the turbine structure is driven to rotate by the water flow in the first rotating direction, the turbine blades provide upward components for the water flow, the filtering chamber is arranged above the driving chamber, the filtering chamber is divided into an outer filtering chamber and an inner filtering chamber through an annular filter element, the outer filtering chamber is communicated with the driving chamber, and the inner filtering chamber is communicated with the water outlet pipe;
the reading assembly includes reading coil, flow detection module, energy storage module and display module, the turbine bull stick passes the filter chamber gets into the reading assembly, be provided with the permanent magnet on the turbine bull stick, the reading coil sets up to a plurality ofly and encloses and locate the permanent magnet, the turbine bull stick rotate in produce induced-current on the reading coil, flow detection module coupling is in reading coil is in order to detect the rotation stroke of turbine bull stick is in order to generate flow information, and in display module shows flow information, energy storage module is including the electric power storage power supply, energy storage module coupling is in reading coil is in order to receive induced-current extremely the storage power supply storage, display module with flow detection module passes through the electric power storage power supply.
2. A water meter as claimed in claim 1, wherein: the reading assembly further comprises an excitation driving module, a power end of the excitation driving module is coupled to the electric power storage source, a driving end of the excitation driving module is coupled to the reading coil, and the excitation driving module alternately sends excitation signals to the reading coil to drive the turbine rotating rod to rotate.
3. A water meter as claimed in claim 2, wherein: the driving chamber consists of an upper sealing cover plate and a cup-shaped spacer bush, the upper sealing cover plate is provided with an overflow port for communicating the driving chamber with the filtering chamber, the cup-shaped spacer bush comprises an inner spacer bush and an outer spacer bush, the outer spacer bush is fixedly connected with the upper sealing cover plate, the inner spacer bush is rotatably connected with the upper sealing cover plate, the side wall of the outer spacer bush is provided with an outer water inlet branch port, the side wall of the inner spacer bush is provided with an inner water inlet branch port, the bottom of the outer spacer bush is provided with an outer slag discharge branch port, the bottom of the inner spacer bush is provided with an inner slag discharge branch port, and when the outer spacer bush and the inner spacer bush have a first positional relationship, the inner water inlet branch port is communicated with the outer water inlet branch port to form the water inlet, and the inner slag discharge branch port and the outer slag discharge branch port are staggered to seal the bottom of the cup-shaped spacer bush; when the outer spacer bush and the inner spacer bush have a second positional relation, the inner water inlet branch port and the outer water inlet branch port are staggered to seal the water inlet, the inner slag discharge branch port is communicated with the outer slag discharge branch port to form a slag discharge port, and the slag discharge port is communicated to the bottom of the shell;
a unidirectional driving structure is arranged between the inner spacer sleeve and the turbine rotating rod and is used for driving the inner spacer sleeve to rotate on the upper cover plate, when the turbine rotating rod has a first rotating direction, the unidirectional driving structure keeps the outer spacer sleeve and the inner spacer sleeve in a first position relation, and when the turbine rotating rod has a second rotating direction opposite to the first rotating direction, the unidirectional driving structure drives the inner spacer sleeve to rotate on the upper cover plate.
4. A water meter as claimed in claim 3, wherein: the unidirectional driving structure comprises unidirectional driving teeth and a plurality of linkage pawls, a rotating shaft of each linkage pawl is fixed to the inner spacer sleeve, a pawl body of each linkage pawl is matched with the unidirectional driving teeth, the unidirectional driving teeth are fixed to the turbine rotating rod, and the unidirectional driving teeth drive the inner spacer sleeve to rotate through the linkage pawls when having a second rotation direction.
5. A water meter as claimed in claim 3, wherein: the reading assembly further comprises a wireless control module which is used for being in communication connection with the water inlet valve so as to control the on-off of the water inlet valve.
6. A water meter as claimed in claim 5, wherein: the back washing method comprises the steps of controlling a turbine rotating rod to rotate along a second rotation direction for a first preset time through an excitation driving module, rotating an inner spacer sleeve to have a second position relation with an outer spacer sleeve, and entering the back washing stop step until the preset stop condition is met, wherein the back washing stop step comprises controlling the water inlet valve to be conducted and rotating the inner spacer sleeve to have a first position relation with the outer spacer sleeve.
7. A water meter as claimed in claim 6, wherein: the backwashing condition is that the water outlet has water flow, and the stopping condition is that liquid in the driving chamber is emptied.
8. A water meter as claimed in claim 1, wherein: the energy storage module comprises a rectifying circuit and a charging circuit, the rectifying circuit is coupled with the reading coil, and the charging circuit is coupled between the rectifying circuit and the storage battery;
the flow detection module comprises a trigger circuit and a counting circuit, wherein the trigger circuit is coupled with the rectifying circuit to generate a rectifying pulse according to the conduction condition of the rectifying circuit, and the counting circuit is coupled with the trigger circuit to generate the rectifying pulse according to the rectifying pulse.
9. A water meter as claimed in claim 1, wherein: the annular filter element is provided with a yielding groove, and one part of the water outlet pipe enters the yielding groove and is in sealing connection with the contact position of the annular filter element.
10. A water meter as claimed in claim 1, wherein: and a washing liquid filling port is arranged on the water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392768.2A CN115371756A (en) | 2022-04-15 | 2022-04-15 | Water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210392768.2A CN115371756A (en) | 2022-04-15 | 2022-04-15 | Water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115371756A true CN115371756A (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210392768.2A Pending CN115371756A (en) | 2022-04-15 | 2022-04-15 | Water meter |
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| Country | Link |
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| CN (1) | CN115371756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876262A (en) * | 2023-02-27 | 2023-03-31 | 嘉石科技股份有限公司 | Novel battery-free power supply remote water meter |
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2022
- 2022-04-15 CN CN202210392768.2A patent/CN115371756A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876262A (en) * | 2023-02-27 | 2023-03-31 | 嘉石科技股份有限公司 | Novel battery-free power supply remote water meter |
| CN115876262B (en) * | 2023-02-27 | 2023-06-16 | 嘉石科技股份有限公司 | Novel battery-free power supply remote water meter |
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Application publication date: 20221122 |