CN116292239B - Electronic water pump pressure controller - Google Patents
Electronic water pump pressure controller Download PDFInfo
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- CN116292239B CN116292239B CN202310359211.3A CN202310359211A CN116292239B CN 116292239 B CN116292239 B CN 116292239B CN 202310359211 A CN202310359211 A CN 202310359211A CN 116292239 B CN116292239 B CN 116292239B
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- water
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- cleaning
- filter screen
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 183
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 56
- -1 silt Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
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- 239000010419 fine particle Substances 0.000 abstract description 4
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- 230000008901 benefit Effects 0.000 description 3
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- 230000004048 modification Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
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- 244000005700 microbiome Species 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a pressure controller, in particular to an electronic water pump pressure controller, which structurally comprises a shell, a filtering mechanism, a cleaning mechanism, a pressure sensor, a pollution discharge mechanism and a control mechanism, wherein the filtering mechanism is arranged on the shell; the shell is a spherical shell, and one end of the shell is fixedly connected with the filtering mechanism; the cleaning mechanism is fixedly connected to one side of the filtering mechanism; the pressure sensor is fixedly connected inside the shell; the pollution discharge mechanism is detachably connected with the filtering mechanism; the whole equipment can be before detecting the water pressure in the pipeline, handles substances such as silt, fine particles thing and biological particle thing that the water inside contains, utilizes the kinetic energy of rivers itself to drive equipment simultaneously, does not need extra power input and rotation speed also can be adjusted according to the speed of rivers to realize more intelligent automatically cleaning effect, improved the holistic suitability of equipment greatly.
Description
Technical Field
The invention relates to the field of pressure controllers, in particular to an electronic water pump pressure controller.
Background
The electronic water pump pressure controller is an automatic control device, and is used for monitoring water pressure and automatically controlling the start and stop of the water pump so as to maintain stable water pressure and flow; the existing electronic water pump pressure controller generally uses a pressure sensor to measure water pressure, and controls the start-stop and running speed of the water pump within a preset pressure range through a microprocessor and an electronic element; specifically, when the water pressure drops to a certain value, the controller starts the water pump and stops the water pump when the water pressure returns to a set value, so as to realize constant water pressure supply; current electronic water pump pressure controllers typically include a pressure sensor, a controller, and a solenoid valve; the pressure sensor is used for detecting the pressure signal of the water pump, the controller calculates and controls according to the signal of the sensor, the water pump is automatically started when the water pressure is lower than a set minimum value, and the water pump is automatically stopped when the water pressure reaches the set maximum value. The electromagnetic valve is responsible for controlling the start and stop of the water pump.
For a water works, water which is regulated out of a reservoir needs to be filtered and purified, because the water which is just regulated is directly from the reservoir, impurities, sediment, microorganisms and the like can be carried in the water, the impurities can influence the normal operation of a water pump to a certain extent, the water pump can be damaged, and in addition, because of the microorganisms and the sediment contained in the water, if the water is not treated, the particles can enter the pressure sensor and block the pores of the sensor, so that the readings of the sensor are inaccurate and even fail.
Under the influence of such problems, the chinese invention patent: CN201711431579.7 (publication date: 2019-07-02) discloses an intelligent electronic water pump pressure controller; the water inlet pipe is arranged outside the shell, a straight pipe-shaped connecting pipe is arranged between the water inlet pipe and the water inlet end, and the left end and the right end of the connecting pipe are respectively in threaded connection with the water inlet pipe and the water inlet end; the filter plate is arranged in the water inlet pipe, the filter plate is clamped between the inner wall of the water inlet pipe and the end face of the connecting pipe, the right side of the filter plate is provided with a straight connecting part, the right end of the connecting part is positioned in the connecting pipe, a holding strip parallel to the connecting part is arranged in the connecting pipe, the holding strip is positioned at the rear side of the connecting part, the left end of the holding strip is hinged with the connecting part through a rotating shaft, the axis of the rotating shaft is vertical to the axis of the connecting pipe, the rotating shaft is sleeved with and fixed with friction plates, the two end faces of the friction plates are friction faces, and the two friction faces are respectively abutted against the connecting part and the holding strip; the controller has the advantage of good working stability; according to the equipment, the filter plate is arranged at the front side of the water inlet end of the controller, so that particle impurities are effectively intercepted from entering the controller, and the working stability and the service life of the controller are improved; meanwhile, the detachable filter plate is arranged, but because the structure needs to be manually detached, the cleaning has certain limitation, and the structure is difficult to meet the use requirement for pipelines inconvenient to detach.
In order to solve the problems, the quality of the electronic water pump pressure controller is improved to meet the wider application demands, and the invention provides the electronic water pump pressure controller to solve the problems.
Disclosure of Invention
In view of the desirable properties of the electronic water pump pressure controller described above, and other drawbacks of the prior art, an object of the present invention is to provide an electronic water pump pressure controller for solving: the sensor inside the electronic water pump pressure controller is in direct contact with the water body, and particles such as sediment are easy to accumulate, so that the accuracy of the pressure sensor is influenced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the electronic water pump pressure controller structurally comprises a shell, a filtering mechanism, a cleaning mechanism, a pressure sensor, a pollution discharge mechanism and a control mechanism.
Preferably, the shell is a spherical shell, one end of the shell is fixedly connected with the filtering mechanism, and the filtering mechanism is used for filtering under the condition of not reducing the water pressure and the flow rate in the pipeline; the cleaning mechanism is fixedly connected to one side of the filtering mechanism and is used for cleaning the filtering mechanism by utilizing the kinetic energy of water flow; the pressure sensor is fixedly connected inside the shell and is used for monitoring the water pressure in the pipeline in real time; the pollution discharge mechanism is detachably connected with the filtering mechanism and is used for discharging foreign matters at the edge of the filtering mechanism; the pressure sensor is electrically connected with the control mechanism.
The filtering mechanism is provided with a filter screen and a fixing component; the filter screen is fixedly connected with the shell, preferably has a structure made of polypropylene, and is manufactured by melt blowing, needling and other methods; the stainless steel mesh or nano ceramic material can be adopted, and the stainless steel mesh is preferably selected by adopting a mode of stretching, welding and weaving; according to different purposes and water quality, the pore diameter of the filter screen is set in the range of 10 micrometers-20 micrometers; to filter out most of the sediment, fine particulate matter and some biological particulate matter; the filter screen edge is provided with the recess, fixed subassembly with the filter screen can dismantle the connection, fixed subassembly is provided with the spout of inside and outside intercommunication.
The cleaning mechanism comprises a water drive assembly, a connecting shaft, a cleaning assembly, a gear and a threaded rod; the threaded rods are fixedly connected with the filter screen through the grooves, the number of the threaded rods is not less than two, the length of the threaded rods is not less than 200mm, and the gears are meshed with the threaded rods; under the condition that the water flow speed is not lower than 1.2m/s, the rotating speed of the threaded rod is not lower than 10-20r/min, the filter screen material is preferably polypropylene material according to the condition, and the aperture of the filter screen is not more than 0.5mm; the utility model discloses a water drive subassembly, including connecting axle, gear, water drive subassembly, clearance subassembly, gear, fixed connection at connecting axle both ends the gear, the gear passes through the spout with fixed subassembly intercommunication, water drive subassembly fixed connection is in the connecting axle both ends, clearance subassembly fixed connection is in the connecting axle surface, the gear is located the water drive subassembly is inboard.
The water drive subassembly is located the both sides of gear, water drive subassembly blade quantity is 3-4 faces, water drive subassembly diameter range sets up in 150-200 mm, water drive subassembly blade is provided with the declination, water drive subassembly blade is determined according to the water of specific velocity of flow, in the water wheel of low-speed rotation, the blade angle sets up between 20-30, and the blade angle sets up not more than 45 under the higher speed.
The pressure sensor is preferably a piezoelectric sensor and is electrically connected with the control mechanism, and the pressure sensor can be a piezoelectric sensor or a piezoresistive sensor; connecting a common electrode pin of the pressure sensor to a GND (ground) end of the controller, connecting an output pin of the pressure sensor to an analog input port of the controller, setting a different voltage value for each gear, wherein the voltage value can be achieved by using different resistors or adjusting voltages, then connecting a resistor or a voltage regulator to a digital input port of the controller to ensure that the controller can read different gear values, and finally connecting a digital output port of the controller to a control circuit of an electronic water pump to achieve automatic control; since a piezoelectric sensor is preferably used, specifically, a signal output pin of the piezoelectric sensor is connected to an input terminal; connecting the output of the signal amplifier to the input; connecting a positive electrode and a negative electrode of a power supply to a power supply input end respectively; the pressure sensor can be fixed on a water pipeline of the equipment in a mode of fixing screws or clamping and the like, and the signal input of the pressure sensor is not less than 3 points.
An opening is formed in one end of the shell, the opening is communicated with water in the pipeline through the filter screen, water isolation treatment is carried out on the inner edge of the shell through a sealing piece, and the sealing mode of the shell can be O-shaped ring sealing, mechanical sealing or magnetic sealing; preferably a mechanical seal. The structure is formed by the rotating ring and the fixed ring, the sealing medium between the two rings is usually rubber, polytetrafluoroethylene and metal, and meanwhile, the sealing surface adopts convex or concave design to increase the sealing area and improve the sealing effect.
The sewage disposal mechanism comprises a sewage disposal valve and a collecting tank; the drain valve is arranged at the lower end of the filter screen, the drain valve is communicated with the collecting tank, and the collecting tank needs to be cleaned regularly so as to keep normal operation of the collecting tank. The sludge cleaning can be performed manually or an automatic cleaning system can be used.
According to the mentioned threaded rod, the length of the threaded rod is not smaller than the diameter of the opening, the set thread length of the threaded rod is not smaller than the length of the sliding groove, and the width of the sliding groove is not smaller than the width of the gear.
The cleaning component is made of wear-resistant, high-temperature-resistant and oxidation-resistant materials, the length of bristles of the cleaning component is not more than 30mm, the diameter of bristles of the cleaning component is not more than 0.5mm, and the distance between the bristles of the cleaning component is not more than 1mm.
The beneficial effects of the invention are as follows:
1. the invention provides the structure of the electronic water pump pressure controller, and the water pressure in the pipeline is detected to treat substances such as sediment, fine particles, biological particles and the like in the water body, meanwhile, the kinetic energy of the water flow is utilized to drive equipment, no additional power supply input is needed, and the rotation speed can be regulated according to the speed of the water flow, so that a more intelligent self-cleaning effect is realized.
2. The self-cleaning structure can reduce the blockage and the scale deposition of equipment while ensuring that the main pipeline water flow is smooth, thereby improving the water quality and the water supply efficiency, and can reduce the maintenance and replacement frequency, thereby prolonging the service life of the electronic water pump pressure controller.
3. The invention forms the amplifying circuit by adopting the mode of common-pole co-injection, and controls the current water pressure by combining the set multiple input points, so that the electric signal output by the whole equipment is more stable and reliable, and the quality of signal transmission is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall schematic of the present invention;
FIG. 2 is an overall elevation view of the present invention;
FIG. 3 is an overall side view of the present invention;
FIG. 4 is an overall cross-sectional view of the present invention;
FIG. 5 is a schematic view of a cleaning mechanism according to the present invention;
FIG. 6 is a front view of the cleaning mechanism of the present invention;
FIG. 7 is a schematic view of a blowdown mechanism of the present invention;
FIG. 8 is a schematic view of a fastening assembly according to the present invention;
FIG. 9 is a rectified filtered buck plot of the present invention;
FIG. 10 is a signal logic diagram of the present invention;
fig. 11 is a positional placement diagram of the present invention.
In the figure: 1. a housing; 11. an opening; 2. a filtering mechanism; 21. a filter screen; 211. a groove; 22. a fixing assembly; 221. a chute; 3. a cleaning mechanism; 31. a water drive assembly; 32. a connecting shaft; 33. cleaning the assembly; 34. a gear; 35. a threaded rod; 4. a pressure sensor; 5. a sewage disposal mechanism; 51. a blow-down valve; 52. a collection tank.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is for aiding in understanding the present invention, and is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Embodiment one:
an electronic water pump pressure controller is provided, which structurally comprises a shell 1, a filtering mechanism 2, a cleaning mechanism 3, a pressure sensor 4, a pollution discharge mechanism 5 and a control mechanism.
As shown in fig. 1 to 4, the electronic water pump pressure controller includes a spherical housing 1, one end of which is fixedly connected with the filtering mechanism 2. The filtering mechanism 2 is used for filtering impurities in the water flow without influencing the water pressure and the flow rate in the pipeline; a cleaning mechanism 3 is arranged on one side of the filtering mechanism 2 to prevent impurities in the water from sticking on the filtering mechanism 2 through a pipeline; the cleaning mechanism 3 is fixedly connected to one side of the filtering mechanism 2, impurities and dirt attached to the surface of the filtering mechanism 2 are removed by utilizing the kinetic energy of water flow, and the cleaning mechanism 3 can realize self-cleaning in a pipeline according to the water pressure without disassembling the filtering mechanism 2; in order to monitor the water pressure in the pipeline in real time, a pressure sensor 4 is fixed in the shell 1, and the pressure sensor 4 can send out signals through co-polar co-injection by detecting the water pressure condition in the pipeline, so that a user can know the water flow condition in the pipeline and take corresponding measures in time; the utility model discloses a sewage treatment device, including casing 1, filtering mechanism 2, filtering mechanism 5, drainage mechanism 5, casing 1 one end is provided with drainage mechanism 5, drainage mechanism 5 detachable connect in filtering mechanism 2 is last, drainage mechanism 5 can clear away to keep the filter effect and keep the flow stable. The control mechanism is electrically connected with the pressure sensor 4 and the pollution discharge mechanism 5 so as to help the user to better control the operation condition of the device and make adjustment in time.
As shown in fig. 1 to 3, the filtering mechanism 2 comprises a filter screen 21 and a fixing assembly 22; the filter screen 21 is fixedly connected with the shell 1, the filter screen 21 is a filter screen made of polypropylene, active carbon, ceramic or cellulose and other materials can be added into the materials according to impurities in water, and then the filter screen is manufactured by melt blowing, needling and other methods, and the filter screen 21 is suitable for some coarse filtration occasions, such as filtration of some large-particle impurities, due to the characteristics of light weight, corrosion resistance, high temperature resistance, low price and the like; for the tap water pipeline to be purified, the pore diameter of the filter screen 21 is set in the range of 10-20 microns according to different purposes and water quality in the water body; so as to filter most of sediment, fine particles and some biological particles at the lowest; the edge of the filter screen 21 is provided with a groove 211, the fixing component 22 is detachably connected with the filter screen 21, and the fixing component 22 is provided with a chute 221 communicated with the inside and the outside.
The filtering mechanism 2 is directly communicated with the pipeline, and due to different sizes of impurities contained in the water body, most of sediment, fine particles and certain biological particles can be filtered by setting the size to 10-20 microns for an unpurified tap water pipeline, and due to the fact that the density degree of the filtering mechanism 2 needs to be considered, the water flow speed can be reduced due to the fact that the pore diameter of the filtering mechanism 2 is too small, the impurities in the water can not be effectively filtered due to the fact that the pore diameter of the filtering mechanism 2 is too large, and factors such as water quality, water flow and filtering effect are comprehensively considered, and the pore diameter is 15 microns in the embodiment.
As shown in fig. 4 to 8, a cleaning mechanism 3 is detachably connected between the fixing assembly 22 and the filter screen 21, and the cleaning mechanism 3 comprises a water driving assembly 31, a connecting shaft 32, a cleaning assembly 33, a gear 34 and a threaded rod 35; the threaded rods 35 are fixedly connected with the filter screen 21 through the grooves 211, the number of the threaded rods 35 is two, the threaded rods 35 are arranged in parallel, the length of each threaded rod 35 is larger than the diameter of the opening 11, the set thread length of each threaded rod 35 is larger than the length of the corresponding sliding groove 221, and the width of each sliding groove 221 is slightly larger than the width of the corresponding gear 34; the gear 34 is meshed with the threaded rod 35; under the condition that the water flow speed is 1.2m/s, the rotating speed of the threaded rod 35 is 15r/min, and under the condition, the filter screen 21 is made of polypropylene; the utility model discloses a water-driven component, including connecting axle 32, gear 34, spout 221 and fixed subassembly 22 intercommunication, water-driven component 31 fixed connection is in connecting axle 32 both ends, water-driven component 31 is located the both sides of gear 34, water-driven component 31 blade quantity is 3 faces, water-driven component 31 diameter is 200mm, water-driven component 31 blade is provided with the declination, water-driven component 31 blade is according to the water velocity of flow of 1.2m/s, and the blade angle sets up to 20, cleaning component 33 fixed connection is in connecting axle 32 surface, cleaning component 33 selects wear-resisting, high temperature resistant, oxidation resistant material, and the material of selecting for in this embodiment is nylon, cleaning component 33's brush hair length is 30mm, cleaning component 33's brush hair diameter is 0.5mm, cleaning component 33's brush hair distance is 1mm at most, gear 34 is located water-driven component 31 inboard.
When the pipeline water body is in a static and no-flow state, the water drive assembly 31 is not in action, the gear 34 is input under the action of no external force, the gear 34 does not rotate on the surface of the threaded rod 35, and the connecting shaft 32 does not move; when the flow rate of the water body in the pipeline is increased, the water pressure in the pipeline is correspondingly increased, the water body passes through the fixing assembly 22 under the action of the water pressure, the water body drives the water body driving assembly 31 to start rotating, the connecting shaft 32 is connected with the water body driving assembly 31 and the gear 34, the connecting shaft 32 slides on the threaded rod 35, the length of the groove 211 is longer than the diameter of the opening 11, the width of the groove 211 is also longer than the width of the gear 34, so that the gear 34 rotates in the groove 211, the connecting shaft 32 is driven to move up and down, and the water body driving assembly 31 repeatedly moves up and down along with the change of the water flow, and the cleaning assembly 33 is fixedly connected with the edge of the connecting shaft 32, so that the cleaning assembly 33 can repeatedly scrape the filter screen 21 up and down in the process of moving up and down.
Since the number of pages of the water drive assembly 31 directly affects the driving force and the cleaning effect, the limitation of the water drive assembly 31 can increase the cleaning effect without sacrificing the driving force under the condition that the water flow speed is 1.2 m/s; meanwhile, the limitation of the blade angle ensures that the water flow can smoothly drive the water wheel; the density of the bristles of the cleaning assembly 33 is limited in this embodiment, so that the too dense bristles can be effectively prevented from blocking the filtering mechanism 2 and the pipeline, which results in the failure of the water pump pressure controller; and when the water quality is poor, due to a large amount of impurities and particles in the water, the possibility that the impurities and the particles are attached to the brush is greatly reduced by limiting the brush hair.
As shown in fig. 4, the pressure sensor 4 is preferably a piezoelectric sensor, the pressure sensor 4 is electrically connected with the control mechanism, and the pressure sensor 4 may be a piezoelectric sensor or a piezoresistive sensor; connecting the common electrode pin of the pressure sensor 4 to the GND ground terminal of the controller, connecting the output pin of the pressure sensor 4 to the analog input port of the controller, setting a different voltage value for each gear, which can be realized by using different resistors or adjusting voltages, connecting a resistor or voltage regulator to the digital input port of the controller to ensure that the controller can read different gear values, and finally connecting the digital output port of the controller to the control circuit of the electronic water pump to realize automatic control; since a piezoelectric sensor is preferably used, specifically, a signal output pin of the piezoelectric sensor is connected to an input terminal; connecting the output of the signal amplifier to the input; connecting a positive electrode and a negative electrode of a power supply to a power supply input end respectively; the pressure sensor 4 can be fixed on a water pipeline of the equipment in a mode of fixing screws or clamping and the like, and the signal input poles of the pressure sensor 4 are three input poles which respectively sense and transmit 0.2MPa, 0.6MPa and 1 MPs.
As shown in fig. 9 to 11, after 220V comes in, the power is reduced by a power frequency transformer, rectified and filtered, and is divided into two paths of power supply, wherein one path of power supply is used for supplying power to a relay coil, the other path of power supply is used for outputting 5V voltage through 7805 voltage stabilization, the chip is 4081, 4081 is a two-input and gate, four and gates are arranged in a logic circuit, and the actual use is three; each AND gate is provided with two input ends and one output end; the input part has the same circuit structure and is respectively connected with A, B, C, D four electrodes, wherein the point C is used as a common electrode, the detection pressure is 0.2MPa, the point B is used for setting the detection pressure to be 0.6MPa, and the point A is used for setting the detection pressure to be 1MPa.
When the water pressure in the pipeline is lower than 0.2MPa, the three A, B, C electrodes are not connected with each other, so that the two input ends of the A, B electrode are both low-level 0, the output is 0 at the moment, the rear end is fixedly connected with an 8050 triode which is an NPN triode, and when the water pressure in the pipeline is lower than 0.2MPa, the triode is in an off state, and the input 5V voltage is enabled to be high-level 1 through a 10k resistor; since the C, D, E three points are connected together, the two input ends are both high level 1, namely the output end is high level 1, and the two input ends are both high level 1, so that the rear output end is high level 1, and finally the rear output end is communicated with the NPN triode to send out the current water pressure too low signal.
With the water pressure rising, the water pressure reaches 0.6MPa, C is high level 1, B is also high level 1, but A is still low level 0, so that the output is still low level 0, the signal is still in an excessively low state, with the water pressure rising, A is conducted, the input of A is high level 1, both input ends are high level 1, the output end is high level 1, the triode is conducted, the triode is grounded after being conducted, the subsequent input end is low level 0, and as one of the input ends is changed from high level 1 to low level 0, the final output end is changed to low level 0, then the triode is cut off, the signal is changed, and the current water pressure is indicated to be excessively high; the front end is provided with the diode for the high level 1 of output changes the input into high level 1 through 4148 diode, realizes the auto-lock through the diode, makes the water pressure reduce the back, so that when being less than 0.6MPa, the high level 1 of output still passes through the diode, lets the input become high level 1, so the water pressure is more than 0.2MPa, when being less than 1MPa, two inputs are high level 1, only when the water pressure is less than 0.2MPa, makes B become low level, makes the output be low level 0, finally makes auto-lock logic reset.
An opening 11 is formed in one end of the shell 1, the opening 11 is communicated with water in a pipeline through the filter screen 21, water-proof treatment is carried out on the inner edge of the shell 1 through a sealing piece, and the shell 1 is sealed mechanically; the structure is formed by the rotating ring and the fixed ring, the sealing medium between the two rings is rubber, polytetrafluoroethylene and metal, and meanwhile, the sealing surface adopts a convex-concave design to increase the sealing area and improve the sealing effect.
The spherical structure can bear pressure uniformly in all directions, and has good compression resistance; in the running water pipeline, the direction of rivers is indeterminate, consequently adopt spherical structure can adapt to the inside flow state of pipeline better, reduce the rivers pressure that pipeline structure received, improve the durability and the reliability of structure, combine the machinery water proof that sets up, can prevent sewage and impurity in the pipeline get into filtering mechanism 2 well, thereby reduce filtering mechanism 2's clean frequency and maintenance cost, water quality in the pipeline also can be protected simultaneously, reduce the risk that water quality received the pollution, improve the quality of running water.
As shown in fig. 7, the drain mechanism 5 includes a drain valve 51 and a collection tank 52; the drain valve 51 is arranged at the lower end of the filter screen 21, the drain valve 51 is communicated with the collecting tank 52, and the collecting tank 52 needs to be cleaned periodically so as to keep normal operation; through the drain valve 51 and the collecting tank 52, impurities and dirt at the edge of the filtering mechanism 2 can be discharged, so that the filtering effect of the filtering mechanism 2 is ensured, and the service life of the filtering mechanism is prolonged. The drain valve 51 can periodically drain the impurities and dirt accumulated in the filtering mechanism 2, thereby avoiding the influence of the impurities and dirt on a pipeline system, reducing the frequency of cleaning and maintaining the filtering mechanism 2, and improving the working efficiency and the service life of the filtering mechanism 2; in addition, the arrangement of the blow-off valve 51 also helps to improve the stability and reliability of the pipeline system and reduce the occurrence of pipeline blockage and unsmooth water flow.
Embodiment two:
for the structure of the filter screen 21, a filter screen made of stainless steel is selected, the aperture of the filter screen 21 is set to be 0.2mm, and the stainless steel is a metal material for a pipeline with the water flow speed of 1.5m/s, so that the filter screen has the characteristics of high strength, corrosion resistance, high temperature resistance, easiness in cleaning and the like, and is suitable for the area with high filtering requirement; compared with the rough filtration of polypropylene, the stainless steel filter screen has better heat resistance, can not lose the strength and the stability even under the high-temperature environment, is durable, can be used for a long time without failure, has long service life, is nontoxic and tasteless, can not influence the water quality, and meets the requirements of sanitation and environmental protection.
The whole working process is as follows: tap water enters the shell 1 through a water inlet pipeline, and the 21 filter screen is arranged in the shell 1, so that impurities and particulate matters in the water can be effectively filtered, and the water pressure and the flow rate in the pipeline are not reduced in the filtering process; over time, a certain amount of impurities and particulate matters may accumulate on the filter screen 21, and cleaning is needed at this time, and the cleaning mechanism 3 may clean the filter screen 21 by using kinetic energy of water flow, so as to ensure a filtering effect of the filter screen 21; in the whole process, the pressure sensor 4 continuously monitors the water pressure in the pipeline, and once the water pressure is found to be too high or too low, signals are immediately sent to the control mechanism and corresponding processing is carried out; finally, when the impurities and the particulate matters at the edge of the filter screen 21 have reached a certain level, they can be discharged through the sewage discharging mechanism 5 to ensure the normal operation of the filter screen 21.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited by the foregoing examples, which are set forth merely in the foregoing description and illustrate the principles of the invention, and that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Even though the invention has been described with reference to specific exemplifying embodiments thereof, many different alternatives, modifications and the like will become apparent for those skilled in the art. Also, it should be noted that the circuit arrangement and manner of identification detection within the inventive device may be omitted, and may be exchanged or arranged in various ways, while the structure of the device is still capable of performing the functionality of the invention.
Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. While the preferred embodiment of the invention has been shown and described, it is envisioned that those skilled in the art may devise various modifications of the present invention within the spirit and scope of the appended claims.
Claims (6)
1. An electronic water pump pressure controller comprises a shell (1), a filtering mechanism (2), a cleaning mechanism (3), a pressure sensor (4), a pollution discharge mechanism (5) and a control mechanism; the method is characterized in that: the shell (1) is a spherical shell (1), one end of the shell (1) is fixedly connected with the filtering mechanism (2), and the filtering mechanism (2) is used for filtering under the condition that the water pressure and the flow rate in the pipeline are not reduced; the cleaning mechanism (3) is fixedly connected to one side of the filtering mechanism (2), and the cleaning mechanism (3) is used for cleaning the filtering mechanism (2) by utilizing the kinetic energy of water flow; the pressure sensor (4) is fixedly connected inside the shell (1), and the pressure sensor (4) is used for monitoring the water pressure in the pipeline in real time; the pollution discharge mechanism (5) is detachably connected with the filtering mechanism (2), and the pollution discharge mechanism (5) is used for discharging foreign matters at the edge of the filtering mechanism (2); the pressure sensor (4) is electrically connected with the control mechanism;
the filtering mechanism (2) comprises a filter screen (21) and a fixing assembly (22); the filter screen (21) is fixedly connected with the shell (1), and a groove (211) is formed in the edge of the filter screen (21); the fixing component (22) is a hollow ring, the fixing component (22) is detachably connected with the filter screen (21), sliding grooves (221) are formed in the inner side of the fixing component (22), and the number of the sliding grooves (221) is not less than two;
the cleaning mechanism (3) comprises a water drive assembly (31), a connecting shaft (32), a cleaning assembly (33), a gear (34) and a threaded rod (35); the threaded rod (35) is fixedly connected with the filter screen (21) through the grooves (211), the number of the threaded rods (35) is not less than two, the gears (34) are meshed with the threaded rods (35), the two ends of the connecting shaft (32) are fixedly connected with the gears (34), the gears (34) are communicated with the fixing assembly (22) through the sliding grooves (221), the water driving assembly (31) is fixedly connected with the two ends of the connecting shaft (32), the cleaning assembly (33) is fixedly connected with the outer surface of the connecting shaft (32), and the gears (34) are positioned on the inner side of the water driving assembly (31);
an opening (11) is formed in one end of the shell (1), the opening (11) is communicated with the inside of the pipeline through the filter screen (21), and the inner edge of the shell (1) is subjected to water-proof treatment through a sealing piece;
the length of the threaded rod (35) is not smaller than the diameter of the opening (11), the set thread length of the threaded rod (35) is not smaller than the length of the sliding groove (221), and the width of the sliding groove (221) is not smaller than the width of the gear (34);
when the pipeline water body is in a static and no-flow state, the water drive assembly (31) is not in action, the gear (34) is input under the action of no external force, the gear (34) does not rotate on the surface of the threaded rod (35), and the connecting shaft (32) does not move; when the flow rate of water in a pipeline is improved, the water pressure in the pipeline is correspondingly improved, the water body passes through the fixing assembly (22) under the action of the water pressure, the water body drives the water body driving assembly (31) to start rotating, the connecting shaft (32) is connected with the water body driving assembly (31) and the gear (34), the connecting shaft (32) slides on the threaded rod (35), the sliding groove (221) is longer than the diameter of the opening (11), the width of the sliding groove (221) is longer than the width of the gear (34), the gear (34) is enabled to rotate in the sliding groove (221), the connecting shaft (32) is driven to move up and down, and the water body driving assembly (31) repeatedly moves up and down along with the change of the water flow, and the cleaning assembly (33) is fixedly connected with the edge of the connecting shaft (32) so that the cleaning assembly (33) repeatedly scrapes the filter screen (21) up and down in the process of moving up and down.
2. The electronic water pump pressure controller of claim 1, wherein: the number of the blades of the water driving assembly (31) is not less than 3, the diameter of the water driving assembly (31) is not more than 200mm, the blades of the water driving assembly (31) are provided with deflection angles, and the deflection angles of the blades of the water driving assembly (31) are not less than 20 degrees.
3. The electronic water pump pressure controller of claim 1, wherein: the pore diameter of the filter screen (21) is not more than 0.5mm, and the filter screen (21) is made of polypropylene or stainless steel.
4. The electronic water pump pressure controller of claim 1, wherein: the pressure sensor (4) is fixedly connected inside the shell (1); the signal input of the pressure sensor (4) is not less than 3 points.
5. The electronic water pump pressure controller of claim 1, wherein: the sewage draining mechanism (5) comprises a sewage draining valve (51) and a collecting tank (52); the drain valve (51) is arranged at the lower end of the filter screen (21), and the drain valve (51) is communicated with the collecting tank (52); the diameter of the blow-down valve (51) does not exceed the radius of the filter screen (21).
6. The electronic water pump pressure controller of claim 1, wherein: the cleaning component (33) is made of materials including but not limited to nylon materials; the length of the bristles of the cleaning component (33) is not more than 30mm, the diameter of the bristles of the cleaning component (33) is not more than 0.5mm, and the distance between the bristles of the cleaning component (33) is not more than 1mm.
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| CN208043160U (en) * | 2018-03-09 | 2018-11-02 | 青岛海尔施特劳斯水设备有限公司 | Intellectual water meter |
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