CN113123407A - Automatic pressurizing device for water supply pipeline of community - Google Patents
Automatic pressurizing device for water supply pipeline of community Download PDFInfo
- Publication number
- CN113123407A CN113123407A CN202110501260.7A CN202110501260A CN113123407A CN 113123407 A CN113123407 A CN 113123407A CN 202110501260 A CN202110501260 A CN 202110501260A CN 113123407 A CN113123407 A CN 113123407A
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- China
- Prior art keywords
- water
- water supply
- supply pipeline
- box body
- community
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Classifications
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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
- E03B7/078—Combined units with different devices; Arrangement of different devices with respect to each other
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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
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
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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
- E03B7/09—Component parts or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the field of pressurized water supply of a tap water pipe network, and particularly relates to an automatic pressurizing device for a district water supply pipeline, which comprises: the side wall of the box body is hinged with a box door, and two sides of the box body are provided with grid air exchange ports; the water supply pipeline is arranged in the box body, a water inlet end and a water discharge end which are respectively connected with the water supply pipeline are arranged on the box body, the water inlet end is connected with a municipal pipe network, and the water discharge end is connected with a community user water pipe; the automatic pressurizing device comprises a pressure measuring mechanism, a variable-frequency pressurizing pump and an electric control box. According to the invention, automatic pressurization can be realized by detecting the water pressure in the water supply pipeline, the ventilation mechanism is arranged, the fan can be driven to rotate by water flow in the water supply pipeline, the box body can be ventilated without consuming electric energy, moisture and steam accumulation in the box body is prevented, and the liquid cooling heat dissipation mechanism is arranged to quickly cool and dissipate heat in the electrical control box, so that the airtight and moisture-proof effects are further improved.
Description
Technical Field
The invention belongs to the field of pressurized water supply of a tap water pipe network, and particularly relates to an automatic pressurizing device for a community water supply pipeline.
Background
District water supply is the important part of municipal planning, and urban water supply system usually comprises water source, water delivery pipe canal, water factory and distribution network, however, because there is great difference in the different time quantums in district water consumption, consequently need carry out the secondary pressurization to municipal distribution network to satisfy the water supply requirement of different time quantums in the district.
Traditional district water supply pipeline automatic pressure device, mostly measure the water pressure in to the water supply pipeline through the pressure measurement device, then the rotational speed through electric control device control frequency conversion force (forcing) pump or open and close, but electric control device and water supply pipeline hybrid assembly are together, easily receive moist steam to corrode, cause short circuit to burn out the scheduling problem, however if install electric control device and water supply pipeline separately, then it is bloated to have the structure, the great problem of area, and electric control device installs alone, lack the protection, life is generally lower.
Disclosure of Invention
The invention aims to provide an automatic pressurizing device for a district water supply pipeline, which is not easy to be affected with damp, aiming at the problem that the district water supply pipeline is easy to be corroded by damp water vapor.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic pressurization device for a community water supply pipeline, comprising:
the side wall of the box body is hinged with a box door, and two sides of the box body are provided with grid air exchange ports;
the water supply pipeline is arranged in the box body, a water inlet end and a water discharge end which are respectively connected with the water supply pipeline are arranged on the box body, the water inlet end is connected with a municipal pipe network, and the water discharge end is connected with a community user water pipe;
the automatic pressurizing device comprises a pressure measuring mechanism, a variable-frequency pressurizing pump and an electrical control box, wherein the output end of the pressure measuring mechanism is connected with the electrical control box and used for measuring the water pressure in a water supply pipeline, and the output end of the electrical control box is connected with the variable-frequency pressurizing pump and used for controlling the variable-frequency pressurizing pump to be started and stopped;
the heat dissipation and dehumidification device comprises a ventilation mechanism and a liquid cooling and heat dissipation mechanism, wherein the ventilation mechanism is used for ventilating and dehumidifying the interior of the box body, and the liquid cooling and heat dissipation mechanism is used for cooling and dissipating heat of the electrical control box.
In the automatic pressure device for the water supply pipeline in the residential area, the pressure measuring mechanism comprises a water inlet pressure sensor and a water drainage pressure sensor, the water inlet pressure sensor is arranged at the water inlet end, and the water drainage pressure sensor is arranged at the water drainage end.
In foretell district water supply pipe automatic pressure equipment, electrical control box includes sealed box body, LPC treater and frequency conversion controller all set up in sealed box body.
In the automatic pressurizing device for the community water supply pipeline, the ventilation mechanism comprises a water wheel, a worm wheel and a fan, the water wheel is rotatably connected in the water supply pipeline, the worm and the water wheel are coaxially and fixedly connected, the worm wheel and the fan are rotatably connected in the box body through a rotating shaft, and the worm wheel are meshed and connected.
In the automatic pressurizing device for the district water supply pipeline, the water wheels are composed of a plurality of arc-shaped plates which are arranged in an annular array.
In foretell district water supply pipe automatic pressurization device, liquid cooling heat dissipation mechanism is including setting up liquid cooling pipe, a pump liquid section of thick bamboo, reciprocal stopper, first permanent magnetic strip and the second permanent magnetic strip in the seal box body, the intussuseption of liquid cooling is filled with the coolant liquid, the liquid cooling pipe is the U-shaped setting, and the middle part of liquid cooling pipe extends to outside the seal box body and be the heliciform winding on the water supply pipe, the both ends of liquid cooling pipe are equipped with opposite direction's check valve respectively and all communicate with a pump liquid section of thick bamboo, reciprocal stopper sealing sliding connection is in a pump liquid section of thick bamboo, first permanent magnetic strip fixed connection is on reciprocal stopper, the worm extends to in a pump liquid section of thick bamboo and with second permanent magnetic strip fixed connection, first permanent magnetic strip and second permanent magnetic strip just to and not contact with each other.
In the automatic pressurizing device for the community water supply pipeline, the reciprocating plug is fixedly connected with the pump liquid cylinder through a spring.
Compared with the prior art, the automatic pressurizing device for the water supply pipeline of the community has the advantages that:
1. the invention can monitor the water pressure in the water supply pipeline in real time through the pressure measuring mechanism, when the water pressure is insufficient, the LPC processor can receive signals and adjust the opening and closing state and the output power of the variable-frequency pressure pump through the variable-frequency controller, thereby realizing the automatic pressurization in the water supply pipeline of the community.
2. By arranging the ventilation mechanism, the fan can be driven to rotate by water flow in the water supply pipeline, the box body can be ventilated without consuming electric energy, moisture and steam in the box body are prevented from accumulating, the normal operation of the variable-frequency pressure pump and the electrical control box is ensured, and meanwhile, a good heat dissipation effect can be provided for the variable-frequency pressure pump.
3. According to the invention, the liquid cooling heat dissipation mechanism is arranged, the cooling liquid in the liquid cooling pipe can be driven to circularly flow by the water flow in the water supply pipeline, when the cooling liquid circularly flows in the liquid cooling pipe, the heat in the electric control box can be absorbed, and the cooling liquid can be quickly dissipated by the water supply pipeline, so that a good heat dissipation effect in the electric control box is realized, then the electric control box can further prevent moist steam from eroding the interior through a sealing state, and the normal-temperature stable operation of the LPC processor and the frequency conversion controller can also be ensured.
Drawings
FIG. 1 is a schematic diagram of an external structure of an automatic pressurization device for a district water supply pipeline provided by the present invention;
FIG. 2 is a schematic diagram of the internal structure of an automatic pressurization device for a district water supply pipeline provided by the present invention;
FIG. 3 is a schematic structural diagram of a water wheel of an automatic pressurizing device for a district water supply pipeline provided by the invention;
FIG. 4 is a schematic diagram of the internal structure of a pump barrel of an automatic pressurization device for a community water supply pipeline provided by the invention;
fig. 5 is a schematic diagram of the position relationship between the first permanent magnetic strip and the second magnetic strip of the automatic pressurization device for the district water supply pipeline provided by the invention.
In the figure, 1 box body, 11 box door, 12 grid air exchanging port, 2 water supply pipeline, 21 water inlet end, 22 water outlet end, 3 pressure measuring mechanism, 31 water inlet pressure sensor, 32 water outlet pressure sensor, 4 frequency conversion pressure pump, 5 electric control box, 51 sealing box body, 52LPC processor, 53 frequency conversion controller, 6 ventilation mechanism, 61 water wheel, 62 worm, 63 worm wheel, 64 fan, 7 liquid cooling heat radiation mechanism, 71 liquid cooling pipe, 72 pump liquid cylinder, 73 reciprocating plug, 74 first permanent magnetic strip, 75 second permanent magnetic strip and 76 spring.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1-5, an automatic pressurizing device for a district water supply pipeline comprises a box body 1, a water supply pipeline 2, an automatic pressurizing device and a heat dissipation and dehumidification device.
Further, the lateral wall of the box body 1 is hinged with a box door 11, and two sides of the box body 1 are provided with grille ventilation ports 12.
Further, water supply pipe 2 sets up in box 1, is equipped with the end 21 and the drainage end 22 of intaking that are connected with water supply pipe 2 respectively on box 1, intakes end 21 and municipal pipe network connection, drainage end 22 and district user water piping connection.
Further, automatic pressure device includes pressure measurement mechanism 3, frequency conversion force (forcing) pump 4 and electrical control box 5, and frequency conversion force (forcing) pump 4 can adopt the frequency conversion constant voltage water supply pump that the model is 32CDLF4-40, and pressure measurement mechanism 3's output is connected with electrical control box 5 for measure the water pressure in the water supply pipe 2, and electrical control box 5's output is connected with frequency conversion force (forcing) pump 4, is used for controlling frequency conversion force (forcing) pump 4 to open and close.
Specifically, the pressure measuring mechanism 3 includes a water inlet pressure sensor 31 and a water outlet pressure sensor 32, the water inlet pressure sensor 31 is disposed at the water inlet end 21, and the water outlet pressure sensor 32 is disposed at the water outlet end 22.
Specifically, electrical control box 5 includes seal box body 51, LPC treater 52 and variable frequency controller 53, and variable frequency controller 53 can adopt the single-phase water pump converter that the model is SQ2000-1.5KW, and LPC treater 52 and variable frequency controller 53 all set up in seal box body 51, and seal box body 51 adopts the silica gel material to make, can effectively isolated moist steam.
Further, heat dissipation dehydrating unit includes ventilation mechanism 6 and liquid cooling heat dissipation mechanism 7, and ventilation mechanism 6 is used for taking a breath the dehumidification inside the box, and liquid cooling heat dissipation mechanism 7 is used for cooling the heat dissipation to electrical control box 5.
Specifically, ventilation mechanism 6 includes water wheels 61, worm 62, worm wheel 63 and fan 64, and water wheels 61 rotates to be connected in water supply pipe 2, and it should be noted that water wheels 61 comprises the arc that the polylith is the annular array and arranges for rivers can drive water wheels 61 and rotate when flowing impact arc in water supply pipe 2, and worm 62 and the coaxial fixed connection of water wheels 61, worm wheel 63 all rotate through the pivot with fan 64 and are connected in box 1, and worm 62 is connected with worm wheel 63 meshing.
Specifically, the liquid cooling heat dissipation mechanism 7 includes a liquid cooling pipe 71 disposed in the sealed box 51, a liquid pumping cylinder 72, a reciprocating plug 73, a first permanent magnet strip 74 and a second permanent magnet strip 75, the liquid cooling pipe 71 is filled with a cooling liquid, the liquid cooling pipe 71 is disposed in a U shape, the middle portion of the liquid cooling pipe 71 extends to the outside of the sealed box 51 and is spirally wound on the water supply pipeline 2, two ends of the liquid cooling pipe 71 are respectively provided with one-way valves in opposite directions and are both communicated with the liquid pumping cylinder 72, the two one-way valves only allow the cooling liquid in the liquid cooling pipe 71 to flow in one way, so that the cooling liquid can circulate in the liquid cooling pipe 71, the reciprocating plug 73 is slidably and sealingly connected in the liquid pumping cylinder 72, it is worth mentioning that the reciprocating plug 73 is fixedly connected with the liquid pumping cylinder 72 through a spring 76, the spring 76 plays a good role in buffering, so as to prevent the reciprocating plug 73 from generating impact noise and abrasion when sliding in the liquid pumping, the first permanent magnet strip 74 is fixedly connected to the reciprocating plug 73, the worm 62 extends into the pump liquid cylinder 72 and is fixedly connected with the second permanent magnet strip 75, and the first permanent magnet strip 74 and the second permanent magnet strip 75 are opposite and do not contact with each other.
In the invention, the water pressure in the water supply pipeline 2 is monitored in real time through the water inlet pressure sensor 31 and the water discharge pressure sensor 32, when the water supply pressure in the water supply pipeline 2 is insufficient, the LPC processor 52 can receive signals and adjust the opening and closing state and the output power of the variable-frequency pressure pump 4 through the variable-frequency controller 53, thereby realizing the automatic pressurization in the community water supply pipeline 2.
Rivers drive water wheels 61 in the water supply pipe 2 rotates, drives worm wheel 63 and fan 64 through worm 62 then and rotates, need not the power consumption, can ventilate taking a breath in to box 1, prevents the accumulation of damp vapor in the box 1, guarantees the normal operating of frequency conversion force (forcing) pump 4 and electrical control box 5, can provide good radiating effect for frequency conversion force (forcing) pump 4 simultaneously.
When the water flow in the water supply pipeline 2 drives the water wheel 61 to rotate, the worm 62 drives the second permanent magnetic strip 75 to rotate, the N pole and the S pole of the second permanent magnetic strip 75 are alternately opposite to or far away from the N pole and the S pole of the first permanent magnetic strip 74, then the first permanent magnetic strip 74 and the reciprocating plug 73 are driven to reciprocate in the pump liquid cylinder 72 under the action of magnetic force, the cooling liquid in the liquid cooling pipe 71 is driven to circularly flow, when the cooling liquid circularly flows in the liquid cooling pipe 71, the heat in the electric control box 5 can be absorbed, and the heat is rapidly dissipated through the water supply pipeline 2, so that a good heat dissipation effect in the electric control box 5 is realized, then the electric control box 5 can further prevent the corrosion of moist steam through the sealing state, and the normal-temperature stable operation of the LPC processor 52 and the variable frequency controller 53 can also be ensured.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. An automatic pressurizing device for a community water supply pipeline is characterized by comprising:
the refrigerator comprises a refrigerator body (1), wherein a refrigerator door (11) is hinged to the side wall of the refrigerator body (1), and grating air exchange ports (12) are formed in two sides of the refrigerator body (1);
the water supply system comprises a water supply pipeline (2), wherein the water supply pipeline (2) is arranged in a box body (1), the box body (1) is provided with a water inlet end (21) and a water outlet end (22) which are respectively connected with the water supply pipeline (2), the water inlet end (21) is connected with a municipal pipe network, and the water outlet end (22) is connected with a community user water pipe;
the automatic pressurizing device comprises a pressure measuring mechanism (3), a variable-frequency pressurizing pump (4) and an electrical control box (5), wherein the output end of the pressure measuring mechanism (3) is connected with the electrical control box (5) and used for measuring the water pressure in the water supply pipeline (2), and the output end of the electrical control box (5) is connected with the variable-frequency pressurizing pump (4) and used for controlling the variable-frequency pressurizing pump (4) to be opened and closed;
the heat dissipation and dehumidification device comprises a ventilation mechanism (6) and a liquid cooling and heat dissipation mechanism (7), wherein the ventilation mechanism (6) is used for ventilating and dehumidifying the interior of the box body, and the liquid cooling and heat dissipation mechanism (7) is used for cooling and dissipating heat of the electrical control box (5).
2. The automatic pressurization device for community water supply pipeline according to claim 1, characterized in that the pressure measuring mechanism (3) comprises a water inlet pressure sensor (31) and a water discharge pressure sensor (32), the water inlet pressure sensor (31) is arranged at the water inlet end (21), and the water discharge pressure sensor (32) is arranged at the water discharge end (22).
3. The automatic pressurization device for community water supply pipelines according to claim 1, characterized in that said electrical control box (5) comprises a sealed box body (51), an LPC processor (52) and a variable frequency controller (53), said LPC processor (52) and variable frequency controller (53) being both arranged inside the sealed box body (51).
4. The automatic pressurizing device for the community water supply pipeline according to claim 1, wherein the ventilating mechanism (6) comprises a water wheel (61), a worm (62), a worm wheel (63) and a fan (64), the water wheel (61) is rotatably connected in the water supply pipeline (2), the worm (62) is coaxially and fixedly connected with the water wheel (61), the worm wheel (63) and the fan (64) are rotatably connected in the box body (1) through rotating shafts, and the worm (62) is meshed with the worm wheel (63).
5. The automatic pressurization device for district water supply pipeline according to claim 4, characterized in that the water wheel (61) is composed of a plurality of arc-shaped plates arranged in an annular array.
6. The automatic pressurizing device for the community water supply pipeline according to claim 4, wherein the liquid cooling heat dissipation mechanism (7) comprises a liquid cooling pipe (71), a liquid pumping cylinder (72), a reciprocating plug (73), a first permanent magnetic strip (74) and a second permanent magnetic strip (75) which are arranged in the sealed box body (51), the liquid cooling pipe (71) is filled with cooling liquid, the liquid cooling pipe (71) is arranged in a U shape, the middle part of the liquid cooling pipe (71) extends out of the sealed box body (51) and is wound on the water supply pipeline (2) in a spiral shape, two ends of the liquid cooling pipe (71) are respectively provided with one-way valves in opposite directions and are communicated with the liquid pumping cylinder (72), the reciprocating plug (73) is connected in the liquid pumping cylinder (72) in a sealing and sliding manner, the first permanent magnetic strip (74) is fixedly connected to the reciprocating plug (73), the worm (62) extends into the liquid pumping cylinder (72) and is fixedly connected with the second permanent magnetic strip (75), the first permanent magnet strip (74) and the second permanent magnet strip (75) are opposite to each other and are not in contact with each other.
7. The device for automatically pressurizing a community water supply pipeline according to claim 6, wherein the reciprocating plug (73) is fixedly connected with the pump liquid cylinder (72) through a spring (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501260.7A CN113123407B (en) | 2021-05-08 | 2021-05-08 | Automatic pressurizing device for water supply pipeline of community |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501260.7A CN113123407B (en) | 2021-05-08 | 2021-05-08 | Automatic pressurizing device for water supply pipeline of community |
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| Publication Number | Publication Date |
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| CN113123407A true CN113123407A (en) | 2021-07-16 |
| CN113123407B CN113123407B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110501260.7A Active CN113123407B (en) | 2021-05-08 | 2021-05-08 | Automatic pressurizing device for water supply pipeline of community |
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| Country | Link |
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| CN (1) | CN113123407B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538529A (en) * | 2022-09-19 | 2022-12-30 | 江苏博亚建筑设计有限公司 | An automatic pressurization device for water supply pipes in high-rise residential quarters |
| CN117722365A (en) * | 2024-02-18 | 2024-03-19 | 江苏江进泵业有限公司 | Vertical axial flow pump with magnetic attraction stabilizing function |
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| CN211143189U (en) * | 2019-11-12 | 2020-07-31 | 河南慧水科技有限公司 | Novel frequency conversion water supply control cabinet |
| CN112099588A (en) * | 2020-09-27 | 2020-12-18 | 湖南警察学院 | A Novel Quick Response Computer Hardware Structure |
| CN112118710A (en) * | 2020-09-14 | 2020-12-22 | 殷广林 | New energy automobile is with motor control machine case heat abstractor |
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|---|---|---|---|---|
| CN202209288U (en) * | 2011-09-16 | 2012-05-02 | 黄石职业技术学院 | Automatic exhaust fan for sewer pipe |
| CN205024768U (en) * | 2015-07-30 | 2016-02-10 | 四川润物供水系统有限公司 | Cabinet body water supply equipment |
| CN207620037U (en) * | 2017-11-30 | 2018-07-17 | 杭州水务工程建设有限公司 | Secondary water-supply control system |
| WO2020056482A1 (en) * | 2018-09-21 | 2020-03-26 | Malcolm Macduff | Automated dual valve manifold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538529A (en) * | 2022-09-19 | 2022-12-30 | 江苏博亚建筑设计有限公司 | An automatic pressurization device for water supply pipes in high-rise residential quarters |
| CN117722365A (en) * | 2024-02-18 | 2024-03-19 | 江苏江进泵业有限公司 | Vertical axial flow pump with magnetic attraction stabilizing function |
| CN117722365B (en) * | 2024-02-18 | 2024-05-10 | 江苏江进泵业有限公司 | Vertical axial flow pump with magnetic attraction stabilizing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113123407B (en) | 2022-06-21 |
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