CN208844669U - A kind of non-negative pressure water supply system - Google Patents
A kind of non-negative pressure water supply system Download PDFInfo
- Publication number
- CN208844669U CN208844669U CN201821442856.4U CN201821442856U CN208844669U CN 208844669 U CN208844669 U CN 208844669U CN 201821442856 U CN201821442856 U CN 201821442856U CN 208844669 U CN208844669 U CN 208844669U
- Authority
- CN
- China
- Prior art keywords
- drain valve
- welding
- carry out
- water pump
- vertical welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of non-negative pressure water supply systems, its structure includes surge tank, water inlet pipe, support frame, chassis, outlet pipe, connecting tube, first water pump, second water pump, third water pump, first drain valve, the utility model has the following beneficial effects: to solve that damping can not be carried out, make to lead to the problem of noise when operating, the design proposes damping device, reach and is able to carry out damping, the vibration of generation is compressed by stainless steel layer, stainless steel layer compresses top flat, slide upright bar in column, to make compressed spring generate reaction force, carry out damping, reduce the beneficial effect of the generation of noise, for solve the problems, such as can not the operating condition to equipment remotely monitored, the design proposes monitoring device, flow sensor detects the flow of water, and it transfers data to GPRS by microprocessor to pass Defeated module, GPRS transmission module transmit a signal to the end PC, reach the beneficial effect that can be remotely monitored to the operating condition of equipment.
Description
Technical field
The utility model relates to water supply system technical fields, and in particular to a kind of non-negative pressure water supply system.
Background technique
Non-negative pressure water-supply device is to take full advantage of the original pressure of city planting ductwork using city planting ductwork as water source, is formed close
The continuous relay supercharging way of supplying water closed, energy-saving effect is good, not the secondary pollution of water quality, is the hair of constant pressure water supply equipment
Exhibition and extend, non-negative pressure water-supply device is a kind of ideal energy-saving water supply equipment, it be it is a kind of can directly with tap water pipe network connect
It connects, the secondary water supply equipment of any side effect will not be generated to tap water pipe network, it is directly folded on the basis of municipal ductwork pressure
Pressure supplies water, energy saving, and also has that totally-enclosed, pollution-free, land occupation amount is small, quick for installation, reliable for operation, easy to maintain etc.
Plurality of advantages, with the rapid development of science and technology, a kind of non-negative pressure water supply system have also obtained technological improvement, but existing skill
Art can not carry out damping, make operating when generate noise, can not the operating condition to equipment remotely monitored.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of non-negative pressure water supply system can not carry out damping to solve,
Make the problem of generating noise when operating, can not remotely be monitored to the operating condition of equipment, reach and be able to carry out damping, reduces
The generation of noise, the beneficial effect that the operating condition of equipment can be remotely monitored.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of non-negative pressure water supply system, packets
Include surge tank, water inlet pipe, support frame, chassis, outlet pipe, connecting tube, the first water pump, the second water pump, third water pump, the first draining
Valve, the second drain valve, third drain valve, water pipe, control cabinet, control switch, power supply line, monitoring device and damping device, it is described
Surge tank top right side and water inlet pipe carry out vertical welding, and the buffering pot bottom left and right sides carries out vertical welding with support frame
It connecing, support frame as described above left side central portion is threadedly coupled with monitoring device, and support frame as described above bottom and chassis carry out vertical welding,
The chassis bottom and damping device carry out vertical welding, and the surge tank bottom left and outlet pipe carry out vertical welding, institute
It states and carries out vertical welding, institute with connecting tube carry out level welding, the connecting tube top left side and the first water pump on front side of outlet pipe
It states side and the second water pump at the top of connecting tube and carries out vertical welding, the connecting tube top right side and third water pump carry out vertical welding
It connects, the connecting tube front left carries out horizontal welding, the first drain valve front side and water by adapter tube and the first drain valve
Pipe carries out horizontal welding, and side carries out horizontal welding, the second row by adapter tube and the second drain valve in the connecting tube front
Horizontal welding is carried out on front side of water valve with water pipe, passes through adapter tube on the right side of the connecting tube front with third drain valve and carries out horizontal welding
It connecing, carries out horizontal welding with water pipe on front side of the third drain valve, the chassis top right side is threadedly coupled with control cabinet,
Front is threadedly coupled with control switch on the left of support frame as described above, and the monitoring device is by flow sensor, frame, connection
Block, placement plate, microprocessor and GPRS transmission module composition, the flow sensor are embedded in water pipe inside left, the stream
Quantity sensor is connected with the microprocessor by electric wire, carries out horizontal welding, the link block with link block on the outside of the frame
It is threadedly coupled on rear side of middle part with support frame, the frame middle inside and placement plate carry out the welding of screw thread level, described to put
It sets and is threadedly coupled on the left of prelaminar part with microprocessor, GPRS transmission module is embedded on the right side of the placement prelaminar part, it is described to subtract
Shake device is made of bottom plate, egative film, compressed spring, top flat, upright bar, column and stainless steel layer, at the top of the bottom plate and egative film into
Row vertical welding, the egative film top outer and compressed spring carry out vertical welding, carry out at the top of the compressed spring with top flat
Vertical welding, side and upright bar carry out vertical welding in the top flat bottom, and the bottom of upright rod is slidably connected with column, institute
It states column bottom and egative film carries out vertical welding, the top flat top carries out vertical welding, the stainless steel layer with stainless steel layer
Top and chassis carry out vertical welding, first water pump, the second water pump, third water pump, the first drain valve, the second drain valve,
Third drain valve, control switch, flow sensor, microprocessor and GPRS transmission module are electrically connected with power supply line.
Further, the surge tank top left side is provided with clean-up port, and is provided with protective cover at the top of clean-up port.
Further, the connection bottom of the tube is provided with bearing frame, and carries out level with chassis at left and right sides of bearing frame
Welding.
Further, the surge tank bottom left is provided with sewage draining exit, and the diameter of sewage draining exit is 20cm.
Further, the link block is provided with 4 altogether, and 4 link blocks are set to four end of frame, and frame mid portion
It is provided with mounting hole.
Further, the bottom base plate is provided with rubber pad, and rubber pad bottom is provided with corrugated striped.
Further, the GPRS transmission module and the extraneous end PC carry out electric signal connection.
Further, first water pump, the second water pump and third water pump are IRG blower pump for pipeline.
Further, the model of first drain valve, the second drain valve and third drain valve is Z101.
Further, the model HAFBLF0200CAAX3 of the flow sensor.
Further, the model RHDC-485 of the GPRS transmission module.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1), make to generate noise when operating to solve the problem of not carrying out damping, the design proposes damping device, reaches
It is able to carry out damping, the vibration of generation is compressed by stainless steel layer, and stainless steel layer compresses top flat, keeps upright bar sliding in column
It is dynamic, so that compressed spring be made to generate reaction force, damping is carried out, the beneficial effect of the generation of noise is reduced.
2), for solve the problems, such as can not the operating condition to equipment remotely monitored, the design propose monitoring device, stream
Quantity sensor detects the flow of water, and transfers data to GPRS transmission module, GPRS transmission by microprocessor
Module transmits a signal to the end PC, reaches the beneficial effect that can be remotely monitored to the operating condition of equipment.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model monitoring device；
Fig. 3 is the structural schematic diagram of the utility model damping device；
Fig. 4 is the structural schematic diagram of the utility model circuit connection.
In figure: surge tank -1, water inlet pipe -2, support frame -3, monitoring device -4, chassis -5, damping device -6, outlet pipe -
7, connecting tube -8, the first water pump -9, the second water pump -10, third water pump -11, the first drain valve -12, the second drain valve -13,
Three drain valves -14, control cabinet -16, control switch -17, power supply line -18, flow sensor -41, frame -42, connect water pipe -15
Connect block -43, placement plate -44, microprocessor -45, GPRS transmission module -46, bottom plate -61, egative film -62, compressed spring -63, top
Piece -64, upright bar -65, column -66, stainless steel layer -67.
Specific embodiment
In the technical program:
Monitoring device 4, damping device 6, flow sensor 41, frame 42, link block 43, placement plate 44, microprocessor 45,
GPRS transmission module 46, bottom plate 61, egative film 62, compressed spring 63, top flat 64, upright bar 65, column 66 and stainless steel layer 67 are this
Utility model contains the innovative component of essence.
Surge tank 1, water inlet pipe 2, support frame 3, chassis 5, outlet pipe 7, connecting tube 8, the first water pump 9, the second water pump 10,
Three water pumps 11, the first drain valve 12, the second drain valve 13, third drain valve 14, water pipe 15, control cabinet 16,17 and of control switch
Power supply line 18 is to realize the essential connectivity component of technical solutions of the utility model.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of non-negative pressure water supply system: including surge tank 1,
Water inlet pipe 2, support frame 3, chassis 5, outlet pipe 7, connecting tube 8, the first water pump 9, the second water pump 10, third water pump 11, first row
Water valve 12, the second drain valve 13, third drain valve 14, water pipe 15, control cabinet 16, control switch 17, power supply line 18, monitoring device
4 and damping device 6,1 top right side of surge tank and water inlet pipe 2 carry out vertical welding, at left and right sides of 1 bottom of surge tank
Vertical welding is carried out with support frame 3,3 left side central portion of support frame as described above is threadedly coupled with monitoring device 4, support frame as described above 3
Bottom and chassis 5 carry out vertical welding, and 5 bottom of chassis and damping device 6 carry out vertical welding, 1 bottom of surge tank
Left side and outlet pipe 7 carry out vertical welding, and 7 front side of outlet pipe carries out horizontal welding with connecting tube 8, and the connecting tube 8 is pushed up
Vertical welding is carried out on the left of portion with the first water pump 9, side and the second water pump 10 carry out vertical welding, institute in 8 top of connecting tube
It states 8 top right side of connecting tube and third water pump 11 carries out vertical welding, 8 front left of connecting tube passes through adapter tube and first row
Water valve 12 carries out horizontal welding, and 12 front side of the first drain valve and water pipe 15 carry out horizontal welding, in 8 front of connecting tube
Side carries out horizontal welding by adapter tube and the second drain valve 13, and 13 front side of the second drain valve carries out horizontal welding with water pipe 15
It connects, horizontal welding, 14 front side of third drain valve is carried out by adapter tube and third drain valve 14 on the right side of 8 front of connecting tube
Horizontal welding is carried out with water pipe 15,5 top right side of chassis is threadedly coupled with control cabinet 16,3 left side of support frame as described above
Front is threadedly coupled with control switch 17, and the monitoring device 4 is by flow sensor 41, frame 42, link block 43, placement
Plate 44, microprocessor 45 and GPRS transmission module 46 form, and the flow sensor 41 is embedded in 15 inside left of water pipe, described
Flow sensor 41 is connected by electric wire with microprocessor 45, and 42 outside of frame carries out horizontal welding with link block 43,
The 43 middle part rear side of link block is threadedly coupled with support frame 3, and 42 middle inside of frame and placement plate 44 carry out spiral shell
The welding of line level, 44 front left of placement plate are threadedly coupled with microprocessor 45, on the right side of 44 front of placement plate
Embedded with GPRS transmission module 46, the damping device 6 is by bottom plate 61, egative film 62, compressed spring 63, top flat 64, upright bar 65, column
66 and stainless steel layer 67 form, 61 top of the bottom plate carries out vertical welding, 62 top outer of egative film and pressure with egative film 62
Contracting spring 63 carries out vertical welding, and 63 top of the compressed spring and top flat 64 carry out vertical welding, in 64 bottom of top flat
Side and upright bar 65 carry out vertical welding, and 65 bottom of upright bar is slidably connected with column 66,66 bottom of column and bottom
Piece 61 carries out vertical welding, and 64 top of the top flat and stainless steel layer 67 carry out vertical welding, 67 top of stainless steel layer with
Chassis 5 carries out vertical welding, first water pump 9, the second water pump 10, third water pump 11, the first drain valve 12, the second drain valve
13, third drain valve 14, control switch 17, flow sensor 41, microprocessor 45 and GPRS transmission module 46 be and power supply line
18 are electrically connected.
Wherein, 1 top left side of surge tank is provided with clean-up port, and is provided with protective cover at the top of clean-up port, favorably
It is cleaned inside to surge tank 1, and prevents sundries from entering.
Wherein, 8 bottom of connecting tube is provided with bearing frame, and carries out horizontal welding with chassis 5 at left and right sides of bearing frame
It connects, is conducive to be supported connecting tube 8.
Wherein, 1 bottom left of surge tank is provided with sewage draining exit, and the diameter of sewage draining exit is 20cm, convenient for slow
After rushing the cleaning of tank 1, blowdown is carried out.
Wherein, the link block 43 is provided with 4 altogether, and 4 link blocks 43 are set to 42 4 end of frame, and frame 42
Middle part is provided with mounting hole, is conducive to install frame 42.
Wherein, 61 bottom of bottom plate is provided with rubber pad, and rubber pad bottom is provided with corrugated striped, increase with
The friction on ground is convenient for placing.
Wherein, the GPRS transmission module 46 carries out electric signal connection with the extraneous end PC, is conducive to carry out water flow
Monitoring.
Wherein, first water pump 9, the second water pump 10 and third water pump 11 are IRG blower pump for pipeline.
Wherein, the model of first drain valve 12, the second drain valve 13 and third drain valve 14 is Z101.
Wherein, the model HAFBLF0200CAAX3 of the flow sensor 41.
Wherein, the model RHDC-485 of the GPRS transmission module 46.
GPRS transmission module 46 described in this patent is one mainly for industrial scale applications for GPRS radio transmission apparatus
Money embeds the wireless Modem of GSM/GPRS core cell, uses GSM/GPRS network for transmission medium, is a based on movement
The technical grade communicating terminal of GSM short message platform and GPRS data business.It using GSM mobile communications network short message and
Gprs service is the data transfer platform that user has built an overlength distance.Standard industry specifications design provides RS232 standard
Interface is directly connect with user equipment, realizes Chinese and English SMS function, function of multimedia message, GPRS data transfer function.
Working principle: connecting extraneous power supply for power supply line 18 first, and water inlet pipe 2 is then connected external source, presses control
The start button of switch 17 is made, microprocessor 45 starts the design, when flow sensor 41 detects water flow lower than preset value,
Microprocessor 45 starts water pump, and water pump draws water, so that hydraulic pressure is become larger, flow sensor 41 examines the flow of water
It surveys, and GPRS transmission module 46 is transferred data to by microprocessor 45, GPRS transmission module 46 transmits a signal to PC
End, is monitored by the end PC, and when equipment is run, the vibration of generation is compressed by stainless steel layer 67, and stainless steel layer 67 is pressed
Contracting top flat 64 slides upright bar 65 in column 66, so that compressed spring 63 be made to generate reaction force, carries out damping, to solve
Damping can not be carried out, makes to lead to the problem of noise when operating, the design proposes damping device 4, reaches and be able to carry out damping, generates
Vibration compressed by stainless steel layer 67, stainless steel layer 67 compresses top flat, slides upright bar 65 in column 66, to make
Compressed spring 63 generates reaction force, carries out damping, reduces the beneficial effect of the generation of noise, can not be to the fortune of equipment for solution
The problem of market condition is remotely monitored, the design propose that monitoring device 4, flow sensor 41 detect the flow of water,
And GPRS transmission module 46 is transferred data to by microprocessor 45, GPRS transmission module 46 transmits a signal to the end PC,
Reach the beneficial effect that can be remotely monitored to the operating condition of equipment.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of non-negative pressure water supply system, including surge tank (1), water inlet pipe (2), support frame (3), chassis (5), outlet pipe (7),
Connecting tube (8), the first water pump (9), the second water pump (10), third water pump (11), the first drain valve (12), the second drain valve
(13), third drain valve (14), water pipe (15), control cabinet (16), control switch (17) and power supply line (18), it is characterised in that:
It further include monitoring device (4) and damping device (6), surge tank (1) top right side and water inlet pipe (2) carry out vertical welding,
Vertical welding, support frame as described above (3) left side central portion and monitoring are carried out at left and right sides of surge tank (1) bottom with support frame (3)
Device (4) is threadedly coupled, and support frame as described above (3) bottom and chassis (5) carry out vertical welding, chassis (5) bottom with
Damping device (6) carries out vertical welding, and surge tank (1) bottom left and outlet pipe (7) carry out vertical welding, the water outlet
It manages and carries out horizontal welding on front side of (7) with connecting tube (8), connecting tube (8) top left side and the first water pump (9) carry out vertical welding
Connect, at the top of the connecting tube (8) in side and the second water pump (10) carry out vertical welding, connecting tube (8) top right side and the
Three water pumps (11) carry out vertical welding, and connecting tube (8) front left is carried out by adapter tube with the first drain valve (12) horizontal
Welding, the first drain valve (12) front side carry out horizontal welding with water pipe (15), and side is by connecing in connecting tube (8) front
Pipe carries out horizontal welding with the second drain valve (13), and the second drain valve (13) front side carries out horizontal welding with water pipe (15),
Horizontal welding, the third drain valve (14) are carried out by adapter tube and third drain valve (14) on the right side of connecting tube (8) front
Front side and water pipe (15) carry out horizontal welding, and chassis (5) top right side is threadedly coupled with control cabinet (16), the branch
Front is threadedly coupled with control switch (17) on the left of support (3), and the monitoring device (4) is by flow sensor (41), frame
Frame (42), link block (43), placement plate (44), microprocessor (45) and GPRS transmission module (46) composition, the flow sensing
Device (41) is embedded in water pipe (15) inside left, and the flow sensor (41) is connected by electric wire with microprocessor (45),
Horizontal welding is carried out on the outside of the frame (42) with link block (43), in the middle part of the link block (43) rear side and support frame (3) into
Row is threadedly coupled, frame (42) middle inside and placement plate (44) progress screw thread level welding, before the placement plate (44)
It is threadedly coupled on the left of portion with microprocessor (45), is embedded with GPRS transmission module (46) on the right side of placement plate (44) front,
The damping device (6) by bottom plate (61), egative film (62), compressed spring (63), top flat (64), upright bar (65), column (66) and
Stainless steel layer (67) composition, bottom plate (61) top carry out vertical welding, egative film (62) top outer with egative film (62)
Vertical welding is carried out with compressed spring (63), compressed spring (63) top carries out vertical welding, the top with top flat (64)
Side and upright bar (65) carry out vertical welding in piece (64) bottom, and upright bar (65) bottom is slidably connected with column (66),
Column (66) bottom and egative film (62) carry out vertical welding, and top flat (64) top is vertical with stainless steel layer (67) progress
Welding, carries out vertical welding at the top of the stainless steel layer (67) with chassis (5), first water pump (9), the second water pump (10),
Third water pump (11), the first drain valve (12), the second drain valve (13), third drain valve (14), control switch (17), flow pass
Sensor (41), microprocessor (45) and GPRS transmission module (46) are electrically connected with power supply line (18).
2. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: surge tank (1) top left side
It is provided with clean-up port, and is provided with protective cover at the top of clean-up port.
3. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: connecting tube (8) the bottom setting
There is bearing frame, and carries out horizontal welding with chassis (5) at left and right sides of bearing frame.
4. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: surge tank (1) bottom left
It is provided with sewage draining exit, and the diameter of sewage draining exit is 20cm.
5. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: the link block (43) is provided with altogether
4, and 4 link blocks (43) are set to (42) four end of frame, and are provided with mounting hole in the middle part of frame (42).
6. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: bottom plate (61) bottom is provided with
Rubber pad, and rubber pad bottom is provided with corrugated striped.
7. a kind of non-negative pressure water supply system according to claim 1, it is characterised in that: the GPRS transmission module (46) with
The extraneous end PC carries out electric signal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821442856.4U CN208844669U (en) | 2018-09-05 | 2018-09-05 | A kind of non-negative pressure water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821442856.4U CN208844669U (en) | 2018-09-05 | 2018-09-05 | A kind of non-negative pressure water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208844669U true CN208844669U (en) | 2019-05-10 |
Family
ID=66371475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821442856.4U Active CN208844669U (en) | 2018-09-05 | 2018-09-05 | A kind of non-negative pressure water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208844669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867770A (en) * | 2018-09-05 | 2018-11-23 | 江苏双益给排水有限公司 | A kind of non-negative pressure water supply system |
-
2018
- 2018-09-05 CN CN201821442856.4U patent/CN208844669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867770A (en) * | 2018-09-05 | 2018-11-23 | 江苏双益给排水有限公司 | A kind of non-negative pressure water supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108867770A (en) | A kind of non-negative pressure water supply system | |
| CN208844669U (en) | A kind of non-negative pressure water supply system | |
| CN208887001U (en) | A kind of humidifier adding water from water tank upper | |
| CN201730146U (en) | Intelligent constant-pressure variable-output water supply device | |
| CN108668851A (en) | A kind of new energy is water-saving for electric installation irrigation system | |
| CN201089954Y (en) | Automatic heft water supply facility | |
| CN110454143B (en) | Monitoring well flushing device | |
| CN201116372Y (en) | Frequency conversion constant pressure water supply equipment | |
| CN207702771U (en) | A kind of terrestrial pipeline earth source heat pump unit | |
| CN208572874U (en) | A kind of self contained treegarden irrigation equipment | |
| CN113684892A (en) | Secondary water supply pump house water quality monitoring system of multipurpose | |
| CN208937576U (en) | A kind of water pollutant detection device | |
| CN208443462U (en) | A kind of irrigating apparatus with water conservancy site Monitoring and forecasting system in real-time function | |
| CN205991857U (en) | A kind of urban water supply is supplied water data collecting system in real time | |
| CN205809608U (en) | A kind of data monitoring processing system of urban water supply network | |
| CN201321634Y (en) | Energy-saving water supply device | |
| CN206570871U (en) | A kind of new non-negative pressure water-supply installation with ton water consume electricity | |
| CN207739326U (en) | A kind of adjusting tank of non-negative pressure water-supply installation | |
| CN110091743A (en) | A kind of caravan integration corollary system shared model based on automobile charging service station | |
| CN201305872Y (en) | No-subpressure water supply plant for tap water booster pumping stations | |
| CN203866900U (en) | Silent water supplying tank device | |
| CN215639690U (en) | Intelligent measuring floater | |
| CN210719348U (en) | Constant pressure water meter detection water supply system | |
| CN221030415U (en) | Non-negative pressure secondary water supply equipment with quantitative water supply function | |
| CN2676161Y (en) | Flow valve for water meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |