CN113605496A - Non-negative pressure variable frequency constant pressure water supply equipment - Google Patents
Non-negative pressure variable frequency constant pressure water supply equipment Download PDFInfo
- Publication number
- CN113605496A CN113605496A CN202111040238.3A CN202111040238A CN113605496A CN 113605496 A CN113605496 A CN 113605496A CN 202111040238 A CN202111040238 A CN 202111040238A CN 113605496 A CN113605496 A CN 113605496A
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- water
- pressure
- storage tank
- water storage
- supply equipment
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 238000003860 storage Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sampling And Sample Adjustment (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of water supply equipment, in particular to non-negative-pressure variable-frequency constant-pressure water supply equipment, which comprises: the water storage tank is fixedly provided with a water inlet pipe and a water outlet pipe which extend into the water storage tank on two sides respectively, and the water inlet pipe and the water outlet pipe are both rotatably provided with screwed pipes so as to be convenient for the connection of the water inlet pipe or the water outlet pipe with a water source and a user; the pressurizing mechanism is fixedly arranged on the water storage tank, is communicated with the water storage tank and is used for increasing water pressure of the water storage tank when the municipal water source pressure is insufficient; the air inlet mechanisms are arranged on two sides of the pressurizing mechanism and are used for filtering outside air and guiding the filtered outside air into the pressurizing mechanism; and the control mechanism is fixedly arranged on the water storage tank and used for detecting the water pressure and controlling the on-off of the pressurizing mechanism. The non-negative pressure variable-frequency constant-pressure water supply equipment provided by the invention not only can be used for transporting water resources, but also can be used for pressurizing water flow when the water pressure is too small so as to supplement the reduced water pressure, and is simple to operate and high in practicability.
Description
Technical Field
The invention relates to the technical field of water supply equipment, in particular to non-negative-pressure variable-frequency constant-pressure water supply equipment.
Background
In the process of water resource transportation, the water is often transported through pipelines and transported to users from a water plant through pipelines, so that the purpose of supplying water to the users is achieved.
Current water factory when carrying out water resource transportation can lead to rivers to cross slowly because of the water pressure undersize sometimes, influences user's production life efficiency, so need a no negative pressure frequency conversion constant voltage water supply equipment in order to solve above-mentioned problem.
Disclosure of Invention
The embodiment of the invention aims to provide non-negative-pressure variable-frequency constant-pressure water supply equipment, aiming at solving the following problems: when the existing water plant carries out water resource transportation, the water flow is slow due to the fact that the water pressure is too small, and the production and living efficiency of a user is influenced.
The embodiment of the invention is realized in such a way that the non-negative pressure variable-frequency constant-pressure water supply equipment comprises: the water storage tank is fixedly provided with a water inlet pipe and a water outlet pipe which extend into the water storage tank on two sides respectively, and the water inlet pipe and the water outlet pipe are both rotatably provided with screwed pipes so as to be convenient for the connection of the water inlet pipe or the water outlet pipe with a water source and a user; the pressurizing mechanism is fixedly arranged on the water storage tank, is communicated with the water storage tank and is used for increasing water pressure of the water storage tank when the municipal water source pressure is insufficient; the air inlet mechanisms are arranged on two sides of the pressurizing mechanism and are used for filtering outside air and guiding the filtered outside air into the pressurizing mechanism; and the control mechanism is fixedly arranged on the water storage tank and used for detecting the water pressure and controlling the on-off of the pressurizing mechanism.
Preferably, the pressurizing mechanism includes: the air inlet mechanism is arranged at the air inlet of the support box, and outside air can enter the support box through the air inlet by the groove; the partition plate is fixed on the support box and divides the support box into a first cavity and a second cavity in sequence; the push plate is arranged in the first cavity and the second cavity, two sides of the push plate are connected with the partition plate and the inner wall of the supporting box in a sliding manner, and the push plate is provided with a one-way valve allowing air to flow into the water storage tank; and the power input end of the driving component is arranged on the partition plate, and the power output end of the partition plate is fixedly connected with the push plates and used for pulling the push plates on the two sides to do up-and-down reciprocating motion along the inner wall of the supporting box.
Preferably, the drive assembly comprises: the driving wheel is rotatably arranged on the partition plate, is an incomplete gear and is engaged with a driven wheel capable of rotating along with the driving wheel; the rotating rod is fixedly arranged on the driven wheel, can rotate under the driving of the driven wheel, and is hinged with pull rods moving in the vertical direction at two ends; the groove body is fixedly arranged on the push plate and is matched with one end of the pull rod, which is far away from the rotating rod, and one end of the pull rod, which is far away from the rotating rod, can slide in the groove body; and two ends of the first elastic piece are respectively fixed between the inner wall of the supporting box and the push plate and used for pulling the push plate to reset.
Preferably, the air intake mechanism includes: the guide posts are fixedly arranged on the inner wall of the supporting box and distributed on two sides of the groove, and guide sleeves capable of sliding along the direction of the guide posts are sleeved on the guide posts; the two ends of the second elastic piece are fixed between one end of the guide pillar, which is far away from the support box, and the guide sleeve, and the second elastic piece is used for pushing the guide sleeve to approach the support box; the two ends of the pressure rod and the guide sleeves on the two sides are mutually and closely and fixedly connected, and a pressure plate is fixedly arranged on the pressure rod; the filter sets up in the recess, and the clamp plate can compress tightly the filter in the recess.
Preferably, the control mechanism comprises: the rotating wheel is rotatably arranged in the water storage tank, and is provided with a pressure sensor and a flow sensor which are connected with an analyzer arranged outside the water storage tank through leads; and the display meter is connected with the analyzer and is used for displaying water flow or water pressure.
Preferably, the water storage tank further comprises a flow blocking plate, two ends of the flow blocking plate are fixed in the water storage tank and located on one side of the water inlet pipe, a plurality of through holes for water flow to pass through are formed in the flow blocking plate, and one-way valves are also arranged at the through holes formed in the flow blocking plate and used for preventing the pressurizing mechanism from causing water flow backflow.
The non-negative pressure variable-frequency constant-pressure water supply equipment provided by the invention not only can be used for transporting water resources, but also can be used for pressurizing water flow when the water pressure is too small so as to supplement the reduced water pressure, and is simple to operate and high in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a non-negative pressure variable-frequency constant-pressure water supply device.
Fig. 2 is a schematic diagram of an air inlet mechanism of the non-negative pressure variable frequency constant pressure water supply device.
In the drawings: 1-a water storage tank, 2-a water inlet pipe, 3-a water outlet pipe, 4-a threaded pipe, 5-a pressurizing mechanism, 6-an air inlet mechanism, 7-a control mechanism, 51-a support box, 52-a partition plate, 53-a push plate, 54-a one-way valve, 55-a driving component, 551-a driving wheel, 552-a driven wheel, 553-a rotating rod, 554-a pull rod, 555-a groove body, 556-a first elastic piece, 61-a guide column, 62-a guide sleeve, 63-a second elastic piece, 64-a pressing rod, 65-a pressing plate, 66-a filtering plate, 71-a rotating wheel, 72-an analyzer, 73-a display meter and 8-a flow baffle plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, a non-negative pressure variable frequency constant pressure water supply apparatus provided in an embodiment of the present invention includes:
a water inlet pipe 2 and a water outlet pipe 3 which extend into the water storage tank 1 are respectively fixedly arranged on two sides of the water storage tank 1, and threaded pipes 4 are respectively rotatably arranged on the water inlet pipe 2 and the water outlet pipe 3, so that the water inlet pipe 2 or the water outlet pipe 3 can be conveniently connected with a water source and a user; the pressurizing mechanism 5 is fixedly arranged on the water storage tank 1, is communicated with the water storage tank 1 and is used for increasing water pressure to the water storage tank 1 when the municipal water source pressure is insufficient; air inlet mechanisms 6 which are arranged at two sides of the pressurizing mechanism 5 and are used for filtering outside air and guiding the filtered outside air into the pressurizing mechanism 5; and the control mechanism 7 is fixedly arranged on the water storage tank 1 and is used for detecting the water pressure and controlling the on-off of the pressurizing mechanism 5.
In this embodiment, an air outlet pipe is further connected above the water storage tank 1 for discharging air in the water storage tank 1.
This embodiment is when specifically using, at first painful screwed pipe 4 is connected inlet tube 2 and municipal water source, connect outlet pipe 3 and user's water pipe, connect the back, rivers accessible inlet tube 2 flows into storage water tank 1, then flow out by outlet pipe 3 through storage water tank 1, when control mechanism 7 senses water pressure and reduces, control mechanism 7 control presser mechanism 5 opens, presser mechanism 5, up-and-down reciprocating motion carries out reciprocal pressurization to storage water tank 1, during the pressurization, the outside air filters the back through mechanism 6 that admits air, enter into presser mechanism 5, pressurize the water in the storage water tank 1 afterwards, then discharge from the outlet duct again.
As shown in fig. 1, as a preferred embodiment of the present invention, the pressing mechanism 5 includes: the supporting box 51 is fixedly arranged on the water storage tank 1, grooves and air inlet holes are formed in the two sides of the supporting box, the air inlet mechanism 6 is arranged at the air inlet holes of the supporting box 51, and outside air can enter the supporting box 51 through the grooves and the air inlet holes; a partition plate 52 fixed to the support box 51, the partition plate 52 dividing the support box 51 into a first cavity and a second cavity in this order; the push plate 53 is arranged in the first cavity and the second cavity, two sides of the push plate 53 are connected with the partition plate 52 and the inner wall of the supporting box 51 in a sliding way, and the push plate 53 is provided with a one-way valve 54 for allowing air to flow into the water storage tank 1; and the power input end of the driving component 55 is mounted on the partition plate 52, and the power output end of the partition plate 52 is fixedly connected with the push plates 53 and used for pulling the push plates 53 at two sides to reciprocate up and down along the inner wall of the support box 51.
When the embodiment is used specifically, the driving assembly 55 and the driving assembly 55 drive the push plates 53 on two sides of the partition plate 52 to reciprocate up and down along the supporting box 51, when the push plates 53 move up, the outside air flows into the lower part of the push plates 53 through the one-way valve 54, and when the push plates 53 move down, the push plates 53 can press the air into the water storage tank 1, so that the water flow can be pressurized.
As shown in fig. 1, as a preferred embodiment of the present invention, the driving assembly 55 includes: a driving wheel 551 rotatably mounted on the partition plate 52, the driving wheel 551 being an incomplete gear, the driving wheel 551 being engaged with a driven wheel 552 rotatable with the driving wheel 551; a rotating rod 553 fixedly installed on the driven wheel 552, the rotating rod 553 being rotatable by the driving of the driven wheel 552, both ends of the rotating rod 553 being hinged with a pulling rod 554 moving in the vertical direction; a groove 555, which is fixedly arranged on the push plate 53 and is matched with one end of the pull rod 554 far away from the rotating rod 553, and one end of the pull rod 554 far away from the rotating rod 553 can slide in the groove 555; the two ends of the first elastic member 556 are respectively fixed between the inner wall of the support box 51 and the push plate 53, and are used for pulling the push plate 53 to reset.
When the water storage tank is used specifically, the driving wheel 551 is started, the power source of the driving wheel 551 is a motor, the driving wheel 551 rotates to drive the driven wheel 552 to rotate, the driven wheel 552 rotates to drive the rotating rod 553 to rotate, the rotating rod 553 rotates to enable the left pull rod 554 to press the left push plate 53 downwards, the right pull rod 554 pulls the right push plate 53 upwards, the left push plate 53 can pressurize the water storage tank 1, when the driving wheel 551 and the driven wheel 552 are not meshed any more, under the pulling of the first elastic piece 556, the first elastic piece 556 is specifically a spring, the push plates 53 on the left side and the right side reset, and in the resetting process, the right push plate presses downwards to continue to pressurize the water storage tank 1.
As shown in fig. 2, as a preferred embodiment of the present invention, the air intake mechanism 6 includes: the guide posts 61 are fixedly arranged on the inner wall of the support box 51 and distributed on two sides of the groove, and guide sleeves 62 capable of sliding along the direction of the guide posts 61 are sleeved on the guide posts 61; a second elastic member 63, both ends of which are fixed between one end of the guide post 61 away from the support box 51 and the guide sleeve 62, for pushing the guide sleeve 62 to approach the support box 51; the two ends of the pressure lever 64 are fixedly connected with the adjacent ends of the guide sleeves 62 at the two sides, and a pressure plate 65 is fixedly arranged on the pressure lever 64; and the filter plate 66 is arranged in the groove, and the filter plate 66 in the groove can be pressed by the pressing plate 65.
When the air gets into storage water tank 1, the outside air can enter into storage water tank 1 after filtering through filter plate 66, the cleanness of entering air has been guaranteed, if will change filter 66, pulling depression bar 64, depression bar 64 makes the guide pin bushing 62 of both sides move and compress second elastic component 63 to the outside along guide pillar 61, at this moment, clamp plate 65 leaves filter 66, can take out the recess with filter 66 and change, after the change, relax depression bar 64, under the promotion of second elastic component 63, guide pin bushing 62 drives depression bar 64 and moves to the inboard along guide pillar 61, thereby it compresses tightly filter 66 to drive clamp plate 65.
As shown in fig. 1, as a preferred embodiment of the present invention, the control mechanism 7 includes: a rotating wheel 71 which is rotatably installed in the water storage tank 1 and is provided with a pressure sensor and a flow sensor, wherein the pressure sensor and the flow sensor are connected with an analyzer 72 arranged outside the water storage tank 1 through leads; and a display meter 73 connected to the analyzer 72 for displaying the water flow or water pressure.
When the embodiment is used specifically, when the rotating wheel 71 rotates under the impact of water flow, the pressure sensor and the flow sensor on the rotating wheel can transmit data to the analyzer 72 for analysis, and then the data is displayed by the display meter 73, so that the data can be conveniently recorded by a worker, and when the analyzer senses that the water pressure is too small, the pressurizing mechanism 5 can be controlled to pressurize.
As shown in fig. 1, as a preferred embodiment of the present invention, the present invention further comprises a flow blocking plate 8, both ends of which are fixed in the water storage tank 1 and located at one side of the water inlet pipe 2, wherein the flow blocking plate 8 is provided with a plurality of through holes for water to pass through, and the through holes provided on the flow blocking plate 8 are also provided with a check valve 54 for preventing the pressurizing mechanism 5 from causing water backflow.
In the present embodiment, when the pressure-bearing device is used specifically, the water flow can flow out through the through hole of the flow blocking plate 8 after flowing out from the water outlet pipe 3, and in order to prevent the water flow from flowing back when the pressure is applied, the one-way valve 54 is disposed at the through hole of the flow blocking plate 8, so that the water flow can only flow out through the through hole and cannot flow in.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a no negative pressure frequency conversion constant voltage water supply equipment which characterized in that includes:
the water storage tank is fixedly provided with a water inlet pipe and a water outlet pipe which extend into the water storage tank on two sides respectively, and the water inlet pipe and the water outlet pipe are both rotatably provided with screwed pipes so as to be convenient for the connection of the water inlet pipe or the water outlet pipe with a water source and a user;
the pressurizing mechanism is fixedly arranged on the water storage tank, is communicated with the water storage tank and is used for increasing water pressure of the water storage tank when the municipal water source pressure is insufficient;
the air inlet mechanisms are arranged on two sides of the pressurizing mechanism and are used for filtering outside air and guiding the filtered outside air into the pressurizing mechanism;
and the control mechanism is fixedly arranged on the water storage tank and used for detecting the water pressure and controlling the on-off of the pressurizing mechanism.
2. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, wherein the pressurizing mechanism comprises:
the air inlet mechanism is arranged at the air inlet of the support box, and outside air can enter the support box through the air inlet by the groove;
the partition plate is fixed on the support box and divides the support box into a first cavity and a second cavity in sequence;
the push plate is arranged in the first cavity and the second cavity, two sides of the push plate are connected with the partition plate and the inner wall of the supporting box in a sliding manner, and the push plate is provided with a one-way valve allowing air to flow into the water storage tank;
and the power input end of the driving component is arranged on the partition plate, and the power output end of the partition plate is fixedly connected with the push plates and used for pulling the push plates on the two sides to do up-and-down reciprocating motion along the inner wall of the supporting box.
3. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 2, wherein the driving assembly comprises:
the driving wheel is rotatably arranged on the partition plate, is an incomplete gear and is engaged with a driven wheel capable of rotating along with the driving wheel;
the rotating rod is fixedly arranged on the driven wheel, can rotate under the driving of the driven wheel, and is hinged with pull rods moving in the vertical direction at two ends;
the groove body is fixedly arranged on the push plate and is matched with one end of the pull rod, which is far away from the rotating rod, and one end of the pull rod, which is far away from the rotating rod, can slide in the groove body;
and two ends of the first elastic piece are respectively fixed between the inner wall of the supporting box and the push plate and used for pulling the push plate to reset.
4. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, wherein the air intake mechanism comprises:
the guide posts are fixedly arranged on the inner wall of the supporting box and distributed on two sides of the groove, and guide sleeves capable of sliding along the direction of the guide posts are sleeved on the guide posts;
the two ends of the second elastic piece are fixed between one end of the guide pillar, which is far away from the support box, and the guide sleeve, and the second elastic piece is used for pushing the guide sleeve to approach the support box;
the two ends of the pressure rod and the guide sleeves on the two sides are mutually and closely and fixedly connected, and a pressure plate is fixedly arranged on the pressure rod;
the filter sets up in the recess, and the clamp plate can compress tightly the filter in the recess.
5. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, wherein the control mechanism comprises:
the rotating wheel is rotatably arranged in the water storage tank, and is provided with a pressure sensor and a flow sensor which are connected with an analyzer arranged outside the water storage tank through leads;
and the display meter is connected with the analyzer and is used for displaying water flow or water pressure.
6. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, further comprising a flow blocking plate, both ends of which are fixed in the water storage tank and located at one side of the water inlet pipe, wherein the flow blocking plate is provided with a plurality of through holes for water flow to pass through.
7. The non-negative-pressure variable-frequency constant-pressure water supply equipment as claimed in claim 6, wherein the opening of the flow blocking plate is also provided with a check valve for preventing the pressurizing mechanism from causing water flow backflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111040238.3A CN113605496B (en) | 2021-09-06 | 2021-09-06 | Non-negative pressure variable frequency constant pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111040238.3A CN113605496B (en) | 2021-09-06 | 2021-09-06 | Non-negative pressure variable frequency constant pressure water supply equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113605496A true CN113605496A (en) | 2021-11-05 |
| CN113605496B CN113605496B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111040238.3A Active CN113605496B (en) | 2021-09-06 | 2021-09-06 | Non-negative pressure variable frequency constant pressure water supply equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288356Y (en) * | 2008-09-18 | 2009-08-12 | 上海中韩杜科泵业制造有限公司 | Full-automatic pipe network direct-connection non negative-pressure water-supply installation |
| WO2017157088A1 (en) * | 2016-03-18 | 2017-09-21 | 石一用 | Water supply system and container and booster water pump thereof, and water supply method |
| CN206902810U (en) * | 2017-04-12 | 2018-01-19 | 武汉奇力士科技发展有限公司 | The intelligent stack-press device of one kind water inlet |
| CN211113901U (en) * | 2019-09-11 | 2020-07-28 | 张家口玖瀚水务工程有限公司 | Box pot-type multi-system pressure-superposed intelligent water supply equipment |
| CN211714098U (en) * | 2019-12-26 | 2020-10-20 | 中能科成流体科技有限公司 | Intelligent negative-pressure-free variable-frequency water supply equipment |
| CN212078111U (en) * | 2020-03-23 | 2020-12-04 | 内蒙古金原农牧科技有限公司 | Water-saving device for air compression pipeline |
| CN112252409A (en) * | 2020-09-01 | 2021-01-22 | 上海晨菲水务科技有限公司 | Mute type secondary water supply equipment |
-
2021
- 2021-09-06 CN CN202111040238.3A patent/CN113605496B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201288356Y (en) * | 2008-09-18 | 2009-08-12 | 上海中韩杜科泵业制造有限公司 | Full-automatic pipe network direct-connection non negative-pressure water-supply installation |
| WO2017157088A1 (en) * | 2016-03-18 | 2017-09-21 | 石一用 | Water supply system and container and booster water pump thereof, and water supply method |
| CN206902810U (en) * | 2017-04-12 | 2018-01-19 | 武汉奇力士科技发展有限公司 | The intelligent stack-press device of one kind water inlet |
| CN211113901U (en) * | 2019-09-11 | 2020-07-28 | 张家口玖瀚水务工程有限公司 | Box pot-type multi-system pressure-superposed intelligent water supply equipment |
| CN211714098U (en) * | 2019-12-26 | 2020-10-20 | 中能科成流体科技有限公司 | Intelligent negative-pressure-free variable-frequency water supply equipment |
| CN212078111U (en) * | 2020-03-23 | 2020-12-04 | 内蒙古金原农牧科技有限公司 | Water-saving device for air compression pipeline |
| CN112252409A (en) * | 2020-09-01 | 2021-01-22 | 上海晨菲水务科技有限公司 | Mute type secondary water supply equipment |
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| CN113605496B (en) | 2023-07-14 |
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