CN111997141A - Box-type integrated mute non-negative pressure variable frequency water supply equipment - Google Patents
Box-type integrated mute non-negative pressure variable frequency water supply equipment Download PDFInfo
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- CN111997141A CN111997141A CN202010857273.3A CN202010857273A CN111997141A CN 111997141 A CN111997141 A CN 111997141A CN 202010857273 A CN202010857273 A CN 202010857273A CN 111997141 A CN111997141 A CN 111997141A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 230000001502 supplementing effect Effects 0.000 claims abstract description 29
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000754 repressing effect Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 22
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
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- Hydrology & Water Resources (AREA)
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention provides box-type integrated mute non-negative pressure variable frequency water supply equipment which comprises a water distribution box, wherein the left side and the right side of the water distribution box are respectively provided with a water inlet box and a pressure supplementing box, the left side surface of the water inlet box is provided with a flow inlet, the right side surface of the pressure supplementing box is provided with a flow supplementing port, the top of the water distribution box is provided with a water supply box, the top of the water supply box is provided with a first water supply pipe and a second water supply pipe, the rear part of the water supply box is provided with a sound deadening box, the lower surface in the water inlet box is fixedly provided with a first motor bottom plate, the left side surface of the first motor bottom plate is provided with a first motor, the left power output end of the first motor is provided with a power shaft, the left end of the power shaft is fixedly connected. The technical scheme disclosed by the invention effectively solves the technical problems that the prior art does not have intelligent pressure supplementing type water supply capacity and can not realize intelligent flow control and active noise reduction functions and the like, and is beneficial to popularization and application.
Description
Technical Field
The invention relates to the technical field of water supply equipment, in particular to box-type integrated mute non-negative-pressure variable-frequency water supply equipment.
Background
The water supply equipment is a water supply device which can automatically start and stop and output a certain flow and lift in unit time. In recent years, with rapid development of economy, tall buildings such as bamboo shoots in the spring after rain stand upright in front of people. However, the water pressure and quality of water for users in high buildings always troubles designers of water supply companies, and no negative pressure water supply equipment is generated along with the development of the technology, so that the problems are solved. The traditional water supply mode can not leave the reservoir, and water in the reservoir is generally supplied by a tap water pipe, so that pressurized water enters the water pool and becomes zero, and a large amount of energy is wasted.
The non-negative pressure water supply equipment is ideal energy-saving water supply equipment, is secondary water supply equipment which can be directly connected with a tap water pipe network and does not generate any side effect on the tap water pipe network, directly folds and supplies water on the basis of municipal pipe network pressure, saves energy, and has the advantages of full sealing, no pollution, small occupied area, quick installation, reliable operation, convenient maintenance and the like. The invention of the integrated mute non-negative pressure variable frequency water supply equipment brings various conveniences to the production and the life of people, and the integrated mute non-negative pressure variable frequency water supply equipment plays an indispensable role. However, the existing box-type integrated mute non-negative-pressure variable-frequency water supply equipment often does not have the intelligent pressure supplementing type water supply capacity and cannot achieve the technical problems of intelligent flow control, active noise reduction and the like, so in view of the above, research and improvement are carried out on the existing structure and defects, a novel box-type integrated mute non-negative-pressure variable-frequency water supply equipment is provided, the problems can be effectively solved, and popularization and application are facilitated.
Disclosure of Invention
The invention aims to provide a box-type integrated mute non-negative pressure variable frequency water supply device, which solves the technical problems that the prior art does not have intelligent pressure supplementing type water supply capacity and can not realize intelligent flow control and active noise reduction functions and the like.
In order to achieve the purpose, the invention provides box-type integrated mute non-negative pressure variable frequency water supply equipment which comprises a water distribution box, wherein a water inlet box and a pressure supplementing box are respectively arranged at the left side and the right side of the water distribution box, a flow inlet is formed in the left side surface of the water inlet box, a flow supplementing opening is formed in the right side surface of the pressure supplementing box, a water supply box is arranged at the top of the water distribution box, a first water supply pipe and a second water supply pipe are arranged at the top of the water supply box, a sound deadening box is arranged at the rear part of the water supply box, a water pump is arranged in the flow inlet, a first motor bottom plate is fixed on the lower surface in the water inlet box, a first motor is arranged on the left side surface of the first motor bottom plate, a power shaft is arranged at the left power output end of the first motor, and the left end of the power shaft is fixedly connected with the right end of, the left end of the rotating shaft is fixedly connected with the right side face of the large gear, the top of the large gear is in contact engagement with the bottom of the small gear, the left side face of the small gear is fixedly connected with the right end of the transmission shaft, the left end of the transmission shaft is fixedly provided with a cleaning sheet through welding, the left side face of the cleaning sheet is in contact with the right side face of the first filter plate, and the left side face of the first filter plate is in contact with the left surface inside the water inlet tank.
The inside lower fixed surface of water diversion box have a reposition of redundant personnel valve body, the left surface of reposition of redundant personnel valve body be provided with the mainstream pipeline, the left end of mainstream pipeline stretch into the inside of income water tank, the side of going up of reposition of redundant personnel valve body be provided with the water conservancy diversion pipeline, the top of going up the water conservancy diversion pipeline stretch into the inside of feed water tank, the right side of reposition of redundant personnel valve body be provided with right water conservancy diversion pipeline, the right-hand member of right side water conservancy diversion pipeline stretch into the inside of mending the pressure case.
The inside lower fixed surface of water diversion box have first electronic jar bottom plate, the right flank of first electronic jar bottom plate be provided with first electronic jar, the right side power take off end of first electronic jar be provided with first action bars, the right-hand member of first action bars pass through welded fastening with the left flank of increased pressure plate and be connected, the inside rear surface of water diversion box fixed with the fixed end piece, the right flank of fixed end piece be provided with return spring, return spring's right-hand member pass through welded fastening with the left flank of increased pressure plate and be connected, the inside right surface of water diversion box be provided with the second filter.
The water supply tank is internally provided with a water tank, the bottom surface of the water tank is communicated with the top end of an upper diversion pipeline, the top surface of the water tank is respectively communicated with the bottoms of a first water pipe and a third water pipe from left to right, the tops of the first water pipe and the third water pipe are respectively communicated with the bottoms of a left flow control tank and a right flow control tank, the tops of the left flow control tank and the right flow control tank are respectively communicated with the bottoms of a second water pipe and a fourth water pipe, the upper surface of the inside of the water supply tank is fixedly provided with a second electric cylinder bottom plate, the bottom of the second electric cylinder bottom plate is provided with a second electric cylinder, the lower side power output end of the second electric cylinder is provided with a second action rod, the bottom end of the second action rod is fixed with the upper surface of a triangular plate, a left inclined surface of the triangular plate is contacted with the right end of a left flow shutoff plate, and the left end of the left flow shutoff plate extends into the left flow control tank, the right inclined surface of the triangular plate is contacted with the left end of the right cut-off plate, and the right end of the right cut-off plate extends into the right flow control box.
The inside of feed water tank be provided with variable frequency controller, the lower extreme of feed water tank be provided with and feel the flow column, the top and the piezo-resistor contact of feeling the flow column, the left end of feed water tank be provided with manual lever, the right-hand member of manual lever pass through the left end fixed connection of welding and rectangular resistance, the right flank of rectangular resistance and the left surface contact of contact piece, the downside of contact piece pass through wire and piezo-resistor's left surface electric connection, piezo-resistor's the right flank and the side of going up of rectangular resistance between establish ties through the wire and have first power, the electronic cylinder controller of second.
The sound-absorbing box is characterized in that a left limiting strip and a right limiting strip are sequentially arranged in the sound-absorbing box from left to right, a sound-absorbing sponge plate is arranged between the left limiting strip and the right limiting strip, the upper surface of the sound-absorbing sponge plate is fixedly contacted with the lower end of an upper pull belt, the middle part of the upper pull belt is contacted with an upper fixed column, the right end of the upper pull belt is fixed with a roller, the bottom of the roller is fixedly connected with the top end of a rolling shaft, the rolling shaft is arranged at the top power output end of a second motor, the bottom of the second motor is provided with a second motor bottom plate, the right end of the second motor bottom plate is fixedly connected with the right inner surface of the sound-absorbing box, the lower surface of the sound-absorbing sponge plate is fixedly connected with a lower pull belt, the middle part of the lower pull belt is contacted with the lower fixed column, the right end of the lower pull belt is fixedly connected with the left end of a movable, the right end of the linear spring is fixedly connected with the left end of the fixed plate.
The inside of whistle box from last to having set gradually last piezoceramics piece, piezoceramics piece down, the last lower extreme of the left surface of last piezoceramics piece be provided with first leading electrical pillar, second respectively and lead electrical pillar, the last lower extreme of the left surface of piezoceramics piece down be provided with the third respectively and lead electrical pillar, fourth and lead electrical pillar, the first left end that leads electrical pillar, second and lead electrical pillar, third and lead electrical pillar, fourth and lead electrical pillar stretch into the inside of site controller respectively, the second lead the left end that electrical pillar and the fourth left end that leads electrical pillar pass through wire electric connection, the first left end that leads electrical pillar and the third left end that leads electrical pillar establish ties through the wire and have auxiliary power source, second motor controller, protective resistor.
The protection resistor, the set square, the strip resistor, the roller and the like are all assembled by the existing equipment, and therefore specific models and specifications are not described in detail.
The invention has the beneficial effects that:
1. the components of the box-type integrated mute non-negative pressure variable frequency water supply equipment are reliably connected, the detection and maintenance are very convenient, the realization cost is low, and the protection resistor, the triangular plate, the strip resistor, the roller and the like which are involved in the equipment are all assembled by the existing equipment, so that the popularization and the application of the box-type integrated mute non-negative pressure variable frequency water supply equipment in the field of future water supply equipment are facilitated;
2. the box-type integrated mute non-negative pressure variable frequency water supply device provided by the invention innovatively realizes an intelligent pressure supplementing type water supply function, effectively attenuates the influence of water pressure fluctuation on incoming flow in the working process of the device, and particularly, the left side surface of the water inlet box is provided with a flow inlet, a water pump is arranged inside the flow inlet, the lower surface inside the water inlet box is fixed with a first motor bottom plate, the left side surface of the first motor bottom plate is provided with a first motor, the left power output end of the first motor is provided with a power shaft, the left end of the power shaft is fixedly connected with the right end of a rotating shaft through a coupling, the left end of the rotating shaft is fixedly connected with the right side surface of a big gear, the top of the big gear is in contact engagement with the bottom of a small gear, the left side surface of the small gear is fixedly connected with the right end of a transmission shaft, and, the left side surface of the cleaning sheet is contacted with the right side surface of the first filter plate, the left side surface of the first filter plate is contacted with the inner left surface of the water inlet tank, the lower surface of the inner part of the water outlet tank is fixed with a shunt valve body, the left side surface of the shunt valve body is provided with a main flow pipeline, the left end of the main flow pipeline extends into the water inlet tank, the upper side surface of the shunt valve body is provided with an upper flow guide pipeline, the top end of the upper flow guide pipeline extends into the water supply tank, the right side surface of the shunt valve body is provided with a right flow guide pipeline, the right end of the right flow guide pipeline extends into the pressure supplementing tank, the inner part of the water outlet tank is provided with a first electric cylinder, the right power output end of the first electric cylinder is provided with a first action rod, the right end of the first action rod is fixedly connected with the left side surface of the pressure plate by welding, the rear surface of the, the right end of the return spring is fixedly connected with the left side face of the pressurizing plate in a welding mode, a second filtering plate is arranged on the right surface of the inner portion of the water distribution box, the water pump works and enables water flow to flow into the water inlet box through a flow inlet, the first motor outputs rotary motion through a power shaft, a large gear transmits the motion to a small gear through meshing, a transmission shaft drives a cleaning piece to rotate so as to clean the first filtering plate, part of the water flow flows into the pressure compensating box through a right flow guide pipeline, the first electric cylinder works and pushes the pressurizing plate to move through a first action rod so as to pressurize the water flow, and the pressure compensating water flow flows out through the flow compensating port;
3. the water supply tank is arranged in the water supply tank, the bottom surface of the water tank is communicated with the top end of an upper flow guide pipeline, the top surface of the water tank is respectively communicated with the bottoms of a first water pipe and a third water pipe from left to right, the tops of the first water pipe and the third water pipe are respectively communicated with the bottoms of a left flow control tank and a right flow control tank, the tops of the left flow control tank and the right flow control tank are respectively communicated with the bottoms of a second water pipe and a fourth water pipe, a second electric cylinder bottom plate is fixed on the upper surface in the water supply tank, a second electric cylinder is arranged at the bottom of the second electric cylinder bottom plate, a second action rod is arranged at the lower side power output end of the second electric cylinder, and the bottom end of the second action rod is fixed on the upper surface of a triangular plate, the left inclined plane of the triangular plate is contacted with the right end of the left cut-off plate, the left end of the left cut-off plate extends into the left flow control box, the right inclined plane of the triangular plate is contacted with the left end of the right cut-off plate, the right end of the right cut-off plate extends into the right flow control box, a variable frequency controller is arranged in the water supply box, the lower end of the water supply box is provided with a flow sensing column, the top end of the flow sensing column is contacted with a piezoresistor, the left end of the water supply box is provided with a manual rod, the right end of the manual rod is fixedly connected with the left end of a long-strip resistor through welding, the right side of the long-strip resistor is contacted with the left side of a contact piece, the lower side of the contact piece is electrically connected with the left side of the piezoresistor through a lead, and then water flows into the water tank through an upper flow guide pipeline and then respectively flows into the left flow control box and the right flow control box through a first water pipe, the smaller the resistance value of the piezoresistor is, the larger the current flowing through the second electric cylinder controller is, the larger the displacement of the second electric cylinder pushing the triangular plate downwards through the second action rod is, the larger the degree of the left end of the left intercepting plate extending into the left flow control box and the degree of the right end of the right intercepting plate extending into the right flow control box are, so that the attenuation of the increased water flow is realized, in addition, a user can change the resistance value of the long-strip resistor in the access circuit by adjusting the position of the manual rod, further the adjustment of the current flowing through the second electric cylinder controller is realized, and the purpose of flow control is finally realized;
4. the box-type integrated mute non-negative pressure variable frequency water supply equipment can realize an active noise reduction function based on a sound attenuation box, can effectively reduce noise interference, and particularly, the sound attenuation box is internally provided with a left limiting strip and a right limiting strip in sequence from left to right, a sound absorption sponge plate is arranged between the left limiting strip and the right limiting strip, the upper surface of the sound absorption sponge plate is fixedly contacted with the lower end of an upper pull strip, the middle part of the upper pull strip is contacted with an upper fixing column, the right end of the upper pull strip is fixed with a roller, the bottom of the roller is fixedly connected with the top end of a rolling shaft, the rolling shaft is arranged at the top power output end of a second motor, the bottom of the second motor is provided with a second motor bottom plate, the right end of the second motor bottom plate is fixed with the inner right surface of the sound attenuation box, the lower surface of the sound absorption sponge plate is contacted with a lower, the right end of the lower drawstring is fixedly connected with the left end of the movable plate, the right end of the movable plate is provided with a linear spring, the right end of the linear spring is fixedly connected with the left end of the fixed plate, the interior of the sound-deadening box is sequentially provided with an upper piezoelectric ceramic piece and a lower piezoelectric ceramic piece from top to bottom, the upper end and the lower end of the left side surface of the upper piezoelectric ceramic piece are respectively provided with a first conductive column and a second conductive column, the upper end and the lower end of the left side surface of the lower piezoelectric ceramic piece are respectively provided with a third conductive column and a fourth conductive column, the left ends of the first conductive column, the second conductive column, the third conductive column and the fourth conductive column respectively extend into the interior of the position controller, the left end of the second conductive column is electrically connected with the left end of the fourth conductive column through a conducting wire, the left end of the first conductive column and the left end of the third conductive column are connected in series with an auxiliary power supply, a second motor, and then the bigger the generated energy of the piezoelectric ceramic of the corresponding position is, when the noise vibration sensed by the upper piezoelectric ceramic piece on the upper part of the sound attenuation box is bigger, the generated energy of the upper piezoelectric ceramic piece relative to the lower piezoelectric ceramic piece is bigger, and then the second motor controller obtains positive power supply to control the second motor to work to drive the roller to rotate, and the upper pull belt pulls the sound absorption sponge plate to move upwards so as to realize the active noise reduction on the upper part of the device.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Drawings
FIG. 1 is a schematic diagram of an axial side projection structure of the overall structure of the device of the present invention.
Fig. 2 is a front view of the overall structure of the device of the present invention.
Fig. 3 is a left side view of the overall structure of the device of the present invention.
Fig. 4 is a schematic diagram of the internal structures of the water diversion box and the water inlet box.
Fig. 5 is a schematic view of the internal structure of the pressure compensating tank according to the present invention.
Fig. 6 is a schematic view of an internal structure of a water service box according to the present invention.
Fig. 7 is a schematic diagram of an internal structure of the variable frequency controller according to the present invention.
Fig. 8 is a schematic view of the internal structure of the sound muffling box of the present invention.
Fig. 9 is a schematic diagram of the internal structure of the position controller according to the present invention.
1. A water diversion box, 2, a water inlet box, 3, a pressure compensating box, 4, a water supply box, 5, a sound deadening box, 6, an inflow port, 7, a flow compensating port, 8, a first water supply pipe, 9, a second water supply pipe, 10, a water pump, 11, a first filter plate, 12, a cleaning sheet, 13, a transmission shaft, 14, a pinion, 15, a gearwheel, 16, a revolving shaft, 17, a coupling, 18, a power shaft, 19, a first motor, 20, a first motor base plate, 21, a main flow pipeline, 22, a flow dividing valve body, 23, an upper flow guiding pipeline, 24, a right flow guiding pipeline, 25, a pressurizing plate, 26, a first electric cylinder base plate, 27, a first electric cylinder, 28, a first action rod, 29, a fixed end plate, 30, a return spring, 31, a second filter plate, 32, a protective resistor, 33, a water tank, 34, a first water pipe, 35, a left flow controlling box, 36, a second water pipe, 37, a third water pipe, 38, a water pipe, 38, A right flow control box 39, a fourth water pipe 40, a second electric cylinder bottom plate 41, a second electric cylinder 42, a second action rod 43, a triangle plate 44, a left cut-off plate 45, a right cut-off plate 46, a variable frequency controller 47, a current sensing column 48, a manual rod 49, a piezoresistor 50, a lead wire 51, a long resistor 52, a contact piece 53, a first power supply 54, a second electric cylinder controller 55, a sound absorbing sponge plate 56, a left limiting strip 57, a right limiting strip 58, an upper pull strip 59, an upper fixed column 60, a roller 61, a rolling shaft 62, a second motor 63, a second motor bottom plate 64, a lower pull strip 65, a lower fixed column 66, a movable sheet 67, a linear spring 68, a fixed sheet 69, a position controller 70, an upper piezoelectric sheet 71, a first conductive column 72, a second conductive column 73, a lower piezoelectric sheet 71, 74. third conductive column, 75, fourth conductive column, 76, auxiliary power supply, 77, second motor controller.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 9, the box-type integrated mute non-negative pressure variable frequency water supply equipment provided by the invention comprises a water distribution box 1, a water inlet box 2 and a pressure supplementing box 3 are respectively arranged at the left side and the right side of the water distribution box 1, a flow inlet 6 is arranged at the left side of the water inlet box 2, a flow supplementing opening 7 is arranged at the right side of the pressure supplementing box 3, a water supply box 4 is arranged at the top of the water distribution box 1, a first water supply pipe 8 and a second water supply pipe 9 are arranged at the top of the water supply box 4, a sound deadening box 5 is arranged at the rear part of the water supply box 4, a water pump 10 is arranged in the flow inlet 6, a first motor bottom plate 20 is fixed at the lower surface in the water inlet box 2, a first motor 19 is arranged at the left side of the first motor bottom plate 20, a power shaft 18 is arranged at the left power output end of the first motor 19, the left end of the power shaft 18 is fixedly connected with the right end of the rotating shaft 16 through a coupler 17, the left end of the rotating shaft 16 is fixedly connected with the right side face of the large gear 15, the top of the large gear 15 is in contact engagement with the bottom of the small gear 14, the left side face of the small gear 14 is fixedly connected with the right end of the transmission shaft 13, the left end of the transmission shaft 13 is fixedly provided with a cleaning sheet 12 through welding, the left side face of the cleaning sheet 12 is in contact with the right side face of the first filter plate 11, and the left side face of the first filter plate 11 is in contact with the inner left surface of the water inlet tank 2.
Further, the inside lower fixed surface of distributive tank 1 have reposition of redundant personnel valve body 22, the left surface of reposition of redundant personnel valve body 22 be provided with mainstream pipeline 21, the left end of mainstream pipeline 21 stretch into the inside of income water tank 2, the side of going up of reposition of redundant personnel valve body 22 be provided with diversion pipeline 23, the top of going up diversion pipeline 23 stretch into the inside of feed water tank 4, the right side of reposition of redundant personnel valve body 22 be provided with right diversion pipeline 24, the right-hand member of right diversion pipeline 24 stretch into the inside of repressing case 3.
Further, the inside lower surface of water diversion box 1 be fixed with first electronic jar bottom plate 26, the right flank of first electronic jar bottom plate 26 be provided with first electronic jar 27, the right side power take off end of first electronic jar 27 be provided with first action bars 28, the right-hand member of first action bars 28 and the left flank of pressure plate 25 be connected through welded fastening, the inside rear surface of water diversion box 1 be fixed with fixed end piece 29, the right flank of fixed end piece 29 be provided with return spring 30, return spring 30 the right-hand member and the left flank of pressure plate 25 be connected through welded fastening, the inside right surface of water diversion box 1 be provided with second filter 31. Furthermore, the device of the invention can realize pressure supplementing type water supply, the water pump 10 works and flows water into the water inlet tank 2 through the water inlet 6, the first motor 19 outputs rotary motion through the power shaft 18, the large gear 15 transmits the motion to the small gear 14 through meshing, the transmission shaft 13 drives the cleaning sheet 12 to rotate so as to realize cleaning of the first filter plate 11, part of the water flows into the pressure supplementing tank 3 through the right diversion pipeline 24, the first electric cylinder 27 works and pushes the pressure plate 25 to move through the first action rod 28 so as to realize pressurization of the water flow, and the pressure supplementing water flow flows out through the flow supplementing opening 7.
Referring to fig. 1 to 9, further, a water tank 33 is disposed inside the water supply tank 4, a bottom surface of the water tank 33 is communicated with a top end of the upper diversion pipe 23, a top surface of the water tank 33 is communicated with bottoms of the first water pipe 34 and the third water pipe 37 from left to right, tops of the first water pipe 34 and the third water pipe 37 are communicated with bottoms of the left flow control tank 35 and the right flow control tank 38, respectively, tops of the left flow control tank 35 and the right flow control tank 38 are communicated with bottoms of the second water pipe 36 and the fourth water pipe 39, respectively, a second electric cylinder bottom plate 40 is fixed on an inner upper surface of the water supply tank 4, a second electric cylinder 41 is disposed on a bottom of the second electric cylinder bottom plate 40, a second actuating rod 42 is disposed at a lower power output end of the second electric cylinder 41, a bottom end of the second actuating rod 42 is fixed on an upper surface of a triangular plate 43, the left inclined surface of the triangular plate 43 contacts with the right end of the left cut-off plate 44, the left end of the left cut-off plate 44 extends into the left control flow box 35, the right inclined surface of the triangular plate 43 contacts with the left end of the right cut-off plate 45, and the right end of the right cut-off plate 45 extends into the right control flow box 38.
Furthermore, the inside of feed water tank 4 be provided with variable frequency controller 46, the lower extreme of feed water tank 4 be provided with current sensing post 47, current sensing post 47 top and piezo-resistor 49 contact, the left end of feed water tank 4 be provided with manual lever 48, the right-hand member of manual lever 48 pass through welding and fixed connection with the left end of rectangular resistance 51, the right side of rectangular resistance 51 and the left side contact of contact piece 52, the downside of contact piece 52 pass through wire 50 and piezo-resistor 49 left side electric connection, the right side of piezo-resistor 49 and the upside of rectangular resistance 51 between establish ties first power 53, second electronic cylinder controller 54 through wire 50. Furthermore, the device can realize intelligent flow control, after water flows into the water tank 33 through the upper diversion pipeline 23, flows into the left flow control box 35 and the right flow control box 38 through the first water pipe 34 and the third water pipe 37 respectively, when the water flow is increased, the larger the pressure of the top end of the current sensing column 47 on the pressure sensitive resistor 49 is, the smaller the resistance value of the pressure sensitive resistor 49 is, the larger the current flowing through the second electric cylinder controller 54 is, the larger the displacement of the second electric cylinder 41 pushing the triangular plate 43 downwards through the second action rod 42 is, the larger the degree of the left end of the left cut-off plate 44 extending into the left flow control box 35 and the degree of the right end of the right cut-off plate 45 extending into the right flow control box 38 are, to achieve attenuation of increased water flow, and, in addition, the user can adjust the position of the manual lever 48, so as to change the resistance value of the strip resistor 51 in the access circuit, thereby realizing the adjustment of the current flowing through the second electric cylinder controller 54.
Referring to fig. 1 to 9, further, a left limiting strip 56 and a right limiting strip 57 are sequentially arranged inside the sound muffling box 5 from left to right, a sound absorbing sponge plate 55 is arranged between the left limiting strip 56 and the right limiting strip 57, the upper surface of the sound absorbing sponge plate 55 is in contact with and fixed to the lower end of an upper pull strip 58, the middle of the upper pull strip 58 is in contact with an upper fixing column 59, the right end of the upper pull strip 58 is fixed to a roller 60, the bottom of the roller 60 is fixedly connected to the top end of a rolling shaft 61, the rolling shaft 61 is arranged at the top power output end of a second motor 62, the bottom of the second motor 62 is provided with a second motor base plate 63, the right end of the second motor base plate 63 is fixed to the inner right surface of the sound muffling box 5, the lower surface of the sound absorbing sponge plate 55 is in contact with a lower pull-down strip 64, and the middle of the lower pull-down strip 64 is in contact with a lower fixing column 65, the right end of the pull-down belt 64 is fixedly connected with the left end of the movable plate 66, the right end of the movable plate 66 is provided with a linear spring 67, and the right end of the linear spring 67 is fixedly connected with the left end of the fixed plate 68.
Further, the interior of the sound muffling box 5 is sequentially provided with an upper piezoelectric ceramic sheet 70 and a lower piezoelectric ceramic sheet 73 from top to bottom, the upper and lower ends of the left side surface of the upper piezoelectric ceramic sheet 70 are respectively provided with a first conductive column 71 and a second conductive column 72, the upper and lower ends of the left side surface of the lower piezoelectric ceramic sheet 73 are respectively provided with a third conductive column 74 and a fourth conductive column 75, the left ends of the first conductive column 71, the second conductive column 72, the third conductive column 74 and the fourth conductive column 75 respectively extend into the position controller 69, the left end of the second conductive column 72 and the left end of the fourth conductive column 75 are electrically connected through a conducting wire 50, and the left end of the first conductive column 71 and the left end of the third conductive column 74 are connected in series with an auxiliary power supply 76, a second motor controller 77 and a protection resistor 32 through a conducting wire 50. Furthermore, the device can realize the active noise reduction function, when the noise generated in the working process of the device is larger, the vibration of the corresponding part is larger, and then the power generation amount of the piezoelectric ceramic of the corresponding part is larger, when the noise vibration sensed by the upper piezoelectric ceramic piece 70 at the upper part of the sound-deadening box 5 is larger, the power generation amount of the upper piezoelectric ceramic piece 70 relative to the lower piezoelectric ceramic piece 73 is larger, and then the second motor controller 77 obtains positive power supply to control the second motor 62 to work to drive the roller 60 to rotate, and the upper pull belt 58 pulls the sound-absorbing sponge plate 55 to move upwards, so that the active noise reduction on the upper part of the device is realized.
The protection resistor 32, the triangle 43, the strip resistor 51, the roller 60 and the like are all assembled by existing equipment, and therefore, specific models and specifications are not described in detail.
The working principle of the invention is as follows:
the invention provides box-type integrated mute non-negative pressure variable frequency water supply equipment which comprises a water distribution box 1, wherein the left side and the right side of the water distribution box 1 are respectively provided with a water inlet box 2 and a pressure supplementing box 3, the left side surface of the water inlet box 2 is provided with a flow inlet 6, the right side surface of the pressure supplementing box 3 is provided with a flow supplementing port 7, the top of the water distribution box 1 is provided with a water supply box 4, the top of the water supply box 4 is provided with a first water supply pipe 8 and a second water supply pipe 9, the rear part of the water supply box 4 is provided with a sound eliminating box 5, the inside of the flow inlet 6 is provided with a water pump 10, the lower surface inside the water inlet box 2 is fixed with a first motor base plate 20, the left side surface of the first motor base plate 20 is provided with a first motor 19, the left side power output end of the first motor 19 is provided with a power shaft 18, the left end of the power shaft 18 is fixedly connected with the right end of a rotating, the left end of the rotating shaft 16 is fixedly connected with the right side surface of the big gear 15, the top of the big gear 15 is in contact engagement with the bottom of the small gear 14, the left side surface of the small gear 14 is fixedly connected with the right end of the transmission shaft 13, the left end of the transmission shaft 13 is fixedly provided with the cleaning sheet 12 by welding, the left side surface of the cleaning sheet 12 is in contact with the right side surface of the first filter plate 11, the left side surface of the first filter plate 11 is in contact with the left surface inside the water inlet tank 2, the lower surface inside the water outlet tank 1 is fixedly provided with the shunt valve body 22, the left side surface of the shunt valve body 22 is provided with the main flow pipeline 21, the left end of the main flow pipeline 21 extends into the water inlet tank 2, the upper side surface of the shunt valve body 22 is provided with the upper flow guide pipeline 23, the top end of the upper flow guide pipeline 23 extends into the water supply tank 4, the right side surface of the shunt valve body 22 is provided with the right flow, the right end of the right diversion pipeline 24 extends into the pressure supplementing box 3, and further the device can realize pressure supplementing type water supply, the water pump 10 works and enables water flow to flow into the water inlet box 2 through the water inlet 6, the first motor 19 outputs rotary motion through the power shaft 18, the large gear 15 transmits motion to the small gear 14 through meshing, the transmission shaft 13 drives the cleaning sheet 12 to rotate so as to clean the first filter plate 11, part of the water flow flows into the pressure supplementing box 3 through the right diversion pipeline 24, the first electric cylinder 27 works and pushes the pressure plate 25 to move through the first action rod 28 so as to pressurize the water flow, and the pressure supplementing water flow flows out through the pressure supplementing port 7.
A water tank 33 is arranged in the water supply tank 4, the bottom surface of the water tank 33 is communicated with the top end of the upper diversion pipeline 23, the top surface of the water tank 33 is respectively communicated with the bottoms of a first water pipe 34 and a third water pipe 37 from left to right, the tops of the first water pipe 34 and the third water pipe 37 are respectively communicated with the bottoms of a left flow control tank 35 and a right flow control tank 38, the tops of the left flow control tank 35 and the right flow control tank 38 are respectively communicated with the bottoms of a second water pipe 36 and a fourth water pipe 39, a second electric cylinder bottom plate 40 is fixed on the inner upper surface of the water supply tank 4, a second electric cylinder 41 is arranged at the bottom of the second electric cylinder bottom plate 40, a second action rod 42 is arranged at the lower power output end of the second electric cylinder 41, the bottom end of the second action rod 42 is fixed on the upper surface of a triangular plate 43, the left inclined surface of the triangular plate 43 is in contact with the right end of a left cut-off plate 44, the left end of the left cut-off plate 44 extends into the left flow control box 35, the right inclined surface of the triangular plate 43 contacts with the left end of the right cut-off plate 45, the right end of the right cut-off plate 45 extends into the right flow control box 38, the interior of the water supply box 4 is provided with a variable frequency controller 46, the lower end of the water supply box 4 is provided with a current sensing column 47, the top end of the current sensing column 47 contacts with a piezoresistor 49, the left end of the water supply box 4 is provided with a manual lever 48, the right end of the manual lever 48 is fixedly connected with the left end of a long resistor 51 through welding, the right side of the long resistor 51 contacts with the left side of a contact piece 52, the device can realize intelligent flow control, after water flows into the water box 33 through the upper flow guide pipe 23, the water flows into the left flow control box 35 and the right flow control box 38 through the first water pipe 34 and the third water pipe 37 respectively, when the water flow is increased, the larger the pressure of the top end of the current sensing column 47 on the pressure sensitive resistor 49 is, the smaller the resistance value of the pressure sensitive resistor 49 is, the larger the current flowing through the second electric cylinder controller 54 is, the larger the displacement of the second electric cylinder 41 pushing the triangular plate 43 downwards through the second action rod 42 is, the larger the degree of the left end of the left cut-off plate 44 extending into the left flow control box 35 and the degree of the right end of the right cut-off plate 45 extending into the right flow control box 38 are, so as to realize the attenuation of the increased water flow, and in addition, a user can change the resistance value of the long resistor 51 in the access circuit by adjusting the position of the manual rod 48, so as to realize the adjustment of the current flowing through the second electric cylinder controller 54.
The sound-muffling box 5 is internally provided with a left limiting strip 56 and a right limiting strip 57 in sequence from left to right, a sound-absorbing sponge plate 55 is arranged between the left limiting strip 56 and the right limiting strip 57, the upper surface of the sound-absorbing sponge plate 55 is fixedly contacted with the lower end of an upper pull strip 58, the middle part of the upper pull strip 58 is contacted with an upper fixing column 59, the right end of the upper pull strip 58 is fixed with a roller 60, the bottom of the roller 60 is fixedly connected with the top end of a rolling shaft 61, the rolling shaft 61 is arranged at the top power output end of a second motor 62, the bottom of the second motor 62 is provided with a second motor bottom plate 63, the right end of the second motor bottom plate 63 is fixed with the inner right surface of the sound-muffling box 5, the lower surface of the sound-absorbing sponge plate 55 is fixedly connected with a pull-down belt 64, the middle part of the pull-down belt 64 is contacted with a lower fixing column 65, and the right end of the pull-down belt 64 is fixedly, the right end of the movable plate 66 is provided with a linear spring 67, the right end of the linear spring 67 is fixedly connected with the left end of the fixed plate 68, the interior of the sound-deadening box 5 is sequentially provided with an upper piezoelectric ceramic piece 70 and a lower piezoelectric ceramic piece 73 from top to bottom, the upper end and the lower end of the left side surface of the upper piezoelectric ceramic piece 70 are respectively provided with a first conductive column 71 and a second conductive column 72, the upper end and the lower end of the left side surface of the lower piezoelectric ceramic piece 73 are respectively provided with a third conductive column 74 and a fourth conductive column 75, the device can realize an active noise reduction function, when the noise generated in the working process of the device is larger, the vibration of the corresponding part is larger, and further the power generation amount of the piezoelectric ceramic of the corresponding part is larger, when the noise vibration induced by the upper piezoelectric ceramic piece 70 on the upper part of the sound-deadening box 5 is larger, the power generation amount of the, and then the second motor controller 77 obtains positive power supply to control the second motor 62 to work, so as to drive the roller 60 to rotate, and the upper pull belt 58 pulls the sound-absorbing sponge plate 55 to move upwards, so as to realize active noise reduction on the upper part of the device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A box-type integrated mute non-negative pressure variable frequency water supply device is characterized by comprising a water distribution box (1), wherein the left side and the right side of the water distribution box (1) are respectively provided with a water inlet box (2) and a pressure supplementing box (3), the left side surface of the water inlet box (2) is provided with a water inlet (6), the right side surface of the pressure supplementing box (3) is provided with a flow supplementing port (7), the top of the water distribution box (1) is provided with a water supply box (4), the top of the water supply box (4) is provided with a first water supply pipe (8) and a second water supply pipe (9), the rear part of the water supply box (4) is provided with a sound muffling box (5), a water pump (10) is arranged inside the water inlet (6), the lower surface inside of the water inlet box (2) is fixedly provided with a first motor bottom plate (20), and the left side surface of the first motor bottom plate (20) is provided with a first motor (19), the left side power take off end of first motor (19) be provided with power shaft (18), the left end of power shaft (18) pass through shaft coupling (17) and the right-hand member fixed connection of revolving axle (16), the left end of revolving axle (16) and the right flank fixed connection of gear wheel (15), the top of gear wheel (15) and the bottom contact meshing of pinion (14), the left surface of pinion (14) and the right-hand member fixed connection of transmission shaft (13), the left end of transmission shaft (13) through welded fastening have cleaning sheet (12), the right flank of cleaning sheet (12) and the left surface contact of first filter (11), the right flank of first filter (11) and the inside surface contact of income water tank (2).
2. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: the inside lower fixed surface of distributive tank (1) have reposition of redundant personnel valve body (22), the left surface of reposition of redundant personnel valve body (22) be provided with mainstream pipeline (21), the left end of mainstream pipeline (21) stretch into the inside of income water tank (2), the side of going up of reposition of redundant personnel valve body (22) be provided with water conservancy diversion pipeline (23), the top of going up water conservancy diversion pipeline (23) stretch into the inside of water supply tank (4), the right flank of reposition of redundant personnel valve body (22) be provided with right water conservancy diversion pipeline (24), the right-hand member of right side water conservancy diversion pipeline (24) stretch into the inside of repressing case (3).
3. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: the inside lower fixed surface of water diversion box (1) have first electronic jar bottom plate (26), the right flank of first electronic jar bottom plate (26) be provided with first electronic jar (27), the right side power take off end of first electronic jar (27) be provided with first action bars (28), the right-hand member of first action bars (28) and the left flank of pressure plate (25) pass through welded fastening and be connected, the inside rear surface of water diversion box (1) be fixed with fixed end piece (29), the right flank of fixed end piece (29) be provided with return spring (30), the right-hand member of return spring (30) and the left flank of pressure plate (25) pass through welded fastening and be connected, the inside right surface of water diversion box (1) be provided with second filter (31).
4. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: a water tank (33) is arranged in the water supply tank (4), the bottom surface of the water tank (33) is communicated with the top end of the upper diversion pipeline (23), the top surface of the water tank (33) is respectively communicated with the bottoms of the first water pipe (34) and the third water pipe (37) from left to right, the tops of the first water pipe (34) and the third water pipe (37) are respectively communicated with the bottoms of the left flow control tank (35) and the right flow control tank (38), the tops of the left flow control tank (35) and the right flow control tank (38) are respectively communicated with the bottoms of the second water pipe (36) and the fourth water pipe (39), a second electric cylinder bottom plate (40) is fixed on the upper surface in the water supply tank (4), a second electric cylinder (41) is arranged at the bottom of the second electric cylinder bottom plate (40), and a second action rod (42) is arranged at the power output end of the second electric cylinder (41), the bottom end of the second action rod (42) is fixed with the upper surface of a triangular plate (43), the left inclined surface of the triangular plate (43) is contacted with the right end of a left cut-off plate (44), the left end of the left cut-off plate (44) extends into the left flow control box (35), the right inclined surface of the triangular plate (43) is contacted with the left end of a right cut-off plate (45), and the right end of the right cut-off plate (45) extends into the right flow control box (38).
5. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: the inside of feed water tank (4) be provided with variable frequency controller (46), the lower extreme of feed water tank (4) be provided with current sensing post (47), the top and the piezo-resistor (49) contact of current sensing post (47), the left end of feed water tank (4) be provided with hand lever (48), the right-hand member of hand lever (48) pass through the left end fixed connection of welding with rectangular resistance (51), the right flank of rectangular resistance (51) and the left surface contact of contact piece (52), the downside of contact piece (52) pass through wire (50) and piezo-resistor (49) left surface electric connection, the right flank of piezo-resistor (49) and the upside of rectangular resistance (51) between establish ties through wire (50) have first power (53), the electronic cylinder controller of second (54).
6. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: the sound-deadening box is characterized in that a left limiting strip (56) and a right limiting strip (57) are sequentially arranged in the sound-deadening box (5) from left to right, a sound-absorbing sponge plate (55) is arranged between the left limiting strip (56) and the right limiting strip (57), the upper surface of the sound-absorbing sponge plate (55) is fixedly contacted with the lower end of an upper pulling strip (58), the middle part of the upper pulling strip (58) is contacted with an upper fixing column (59), the right end of the upper pulling strip (58) is fixed with a roller (60), the bottom of the roller (60) is fixedly connected with the top end of a rolling shaft (61), the rolling shaft (61) is arranged at the top power output end of a second motor (62), a second motor bottom plate (63) is arranged at the bottom of the second motor (62), the right end of the second motor bottom plate (63) is fixed with the right surface in the sound-deadening box (5), the sound absorbing sponge plate is characterized in that the lower surface of the sound absorbing sponge plate (55) is connected with a lower pull belt (64), the middle of the lower pull belt (64) is in contact with a lower fixing column (65), the right end of the lower pull belt (64) is fixedly connected with the left end of a movable plate sheet (66), a linear spring (67) is arranged at the right end of the movable plate sheet (66), and the right end of the linear spring (67) is fixedly connected with the left end of a fixed plate sheet (68).
7. The box-type integrated mute non-negative pressure variable frequency water supply equipment according to claim 1, which is characterized in that: the interior of whistle box (5) from last to having set gradually last piezoceramics piece (70), piezoceramics piece (73) down, the last lower extreme of the left surface of last piezoceramics piece (70) be provided with first lead electrical pillar (71), second and lead electrical pillar (72) respectively, the last lower extreme of the left surface of piezoceramics piece (73) down be provided with third and lead electrical pillar (74), fourth and lead electrical pillar (75) respectively, first lead electrical pillar (71), second lead electrical pillar (72), third and lead electrical pillar (74), the left end of fourth and lead electrical pillar (75) stretch into the inside of position controller (69) respectively, the left end of second lead electrical pillar (72) and the left end of fourth and lead electrical pillar (75) pass through wire (50) electric connection, the left end of first lead electrical pillar (71) and the left end of third and lead electrical pillar (74) establish ties through wire (50) and have auxiliary power source (76), A second motor controller (77), and a protection resistor (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857273.3A CN111997141A (en) | 2020-08-24 | 2020-08-24 | Box-type integrated mute non-negative pressure variable frequency water supply equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857273.3A CN111997141A (en) | 2020-08-24 | 2020-08-24 | Box-type integrated mute non-negative pressure variable frequency water supply equipment |
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| Publication Number | Publication Date |
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| CN111997141A true CN111997141A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010857273.3A Withdrawn CN111997141A (en) | 2020-08-24 | 2020-08-24 | Box-type integrated mute non-negative pressure variable frequency water supply equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623197A (en) * | 2021-09-06 | 2021-11-09 | 谢雄伟 | Frequency conversion water pump |
| CN113718903A (en) * | 2021-10-13 | 2021-11-30 | 薛勇军 | Integral mute type frequency conversion energy-saving non-negative pressure water supply equipment |
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| KR100843128B1 (en) * | 2008-03-11 | 2008-07-03 | 최홍찬 | Water tank with a water supply device |
| CN107780525A (en) * | 2017-10-27 | 2018-03-09 | 无锡凹凸自动化科技有限公司 | A kind of urban sewage pipe cleaning equipment |
| CN207362996U (en) * | 2017-10-10 | 2018-05-15 | 上海雨湃建筑节能工程有限公司 | A kind of rainwater-collecting filtration system |
| CN210315811U (en) * | 2019-05-18 | 2020-04-14 | 于壹博 | Electromechanical integrated water supply device with higher integration level |
| CN111207092A (en) * | 2020-01-09 | 2020-05-29 | 长沙如洋环保科技有限公司 | Water pump |
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|---|---|---|---|---|
| KR100843128B1 (en) * | 2008-03-11 | 2008-07-03 | 최홍찬 | Water tank with a water supply device |
| CN207362996U (en) * | 2017-10-10 | 2018-05-15 | 上海雨湃建筑节能工程有限公司 | A kind of rainwater-collecting filtration system |
| CN107780525A (en) * | 2017-10-27 | 2018-03-09 | 无锡凹凸自动化科技有限公司 | A kind of urban sewage pipe cleaning equipment |
| CN210315811U (en) * | 2019-05-18 | 2020-04-14 | 于壹博 | Electromechanical integrated water supply device with higher integration level |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113623197A (en) * | 2021-09-06 | 2021-11-09 | 谢雄伟 | Frequency conversion water pump |
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| CN113718903A (en) * | 2021-10-13 | 2021-11-30 | 薛勇军 | Integral mute type frequency conversion energy-saving non-negative pressure water supply equipment |
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