CN207436136U - A kind of secondary non-negative pressure water-supply installation of full frequency conversion - Google Patents
A kind of secondary non-negative pressure water-supply installation of full frequency conversion Download PDFInfo
- Publication number
- CN207436136U CN207436136U CN201721421066.3U CN201721421066U CN207436136U CN 207436136 U CN207436136 U CN 207436136U CN 201721421066 U CN201721421066 U CN 201721421066U CN 207436136 U CN207436136 U CN 207436136U
- Authority
- CN
- China
- Prior art keywords
- water
- negative pressure
- tank
- steady
- frequency conversion
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of complete secondary non-negative pressure water-supply installations of frequency conversion, the pressure maintaining tank being connected including steady-flow tank, with the water outlet of steady-flow tank, the outfall sewer being connected with the water outlet of pressure maintaining tank, wherein, the water outlet of pressure maintaining tank is connected by being no less than the access of one with outfall sewer, be provided on every access one for water pumping water pump, supply equipment further includes switch board, and frequency converter is both provided on each water pump, and each frequency converter is electrically connected with switch board.Frequency transformation is carried out to every equipment by control operation; when individual plants failure or maintenance outage; other supply equipments that can be directly invoked in same system are directly supplied water, and each equipment room is spare each other, avoids disorderly closedown; the Traditional control pattern of single frequency-converting control device control integral device is eliminated; the volume of switch board and integral device is reduced, no shutdown is realized and persistently supplies water, equipment is easily assembled; control operation is simple, and repair is easy.
Description
Technical field
The utility model is related to the fields of supplying water, and in particular to a kind of complete secondary non-negative pressure water-supply installation of frequency conversion.
Background technology
Non-negative pressure water-supply installation is the common a kind of equipment that supplies water, and takes full advantage of the original pressure of city planting ductwork, is formed
Closed pressurized water supply mode, good energy-conserving effect, without secondary pollution.But existing non-negative pressure water-supply installation is using single
Frequency-converting control device controls the Traditional control pattern of integral device, and switch board and integral device volume are big, and installation is inconvenient, control
It is complicated for operation, maintenance difficult.
Therefore, the prior art is also needed to be further improved and developed.
Utility model content
The purpose of this utility model is to provide for a kind of secondary non-negative pressure water-supply installation of full frequency conversion, it is intended to solve traditional nothing
The problem of negative pressure water-supply installation volume is big, installation is inconvenient, complicated for operation, maintenance difficult.
Used technical solution is：A kind of secondary non-negative pressure water-supply installation of full frequency conversion, including steady-flow tank, with steady-flow tank
The pressure maintaining tank of water outlet connection, the outfall sewer that is connected with the water outlet of pressure maintaining tank, wherein, the water outlet of pressure maintaining tank passes through many
Be connected in the access of one with outfall sewer, be provided on every access one for water pumping water pump, supply equipment further includes control
Cabinet processed, frequency converter is both provided on each water pump, and each frequency converter is electrically connected with switch board.
The water inlet being connected with water inlet pipe is provided at the top of steady-flow tank.
Vacuum suppresser is provided at the top of steady-flow tank, vacuum suppresser is electrically connected with switch board.
Steady-flow tank water outlet is located at pot bottom, and water pump is located at below steady-flow tank.
Check-valves is provided on each access between each water pump and outfall sewer.
The junction of each access and pressure maintaining tank water outlet is both provided with the solenoid valve of control opening and closing, each solenoid valve and switch board
It is electrically connected.
Advantageous effect：The utility model provides a kind of new complete secondary non-negative pressure water-supply installation of frequency conversion, passes through multiple frequency conversions
Device carries out control operation to relevant device respectively, and each frequency-converting control device is attached one by one with each motor, is grasped by controlling
The every equipment of opposing carries out frequency transformation, and individual plants break down or during maintenance outage, can directly invoke in same system
Other supply equipments are directly supplied water, and each equipment room is spare each other, avoids disorderly closedown, have eliminated single frequency-converting control device
The Traditional control pattern of integral device is controlled, the volume of switch board and integral device is reduced, realizes no shutdown and persistently supply water,
Equipment is easily assembled, and control operation is simple, and repair is easy.
Description of the drawings
Fig. 1 is the structure diagram of the secondary non-negative pressure water-supply installation of full frequency conversion in the utility model specific embodiment.
Fig. 2 is the structure diagram of the secondary non-negative pressure water-supply installation of full frequency conversion in the utility model specific embodiment.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
As shown in Figure 1, a kind of secondary non-negative pressure water-supply installation of full frequency conversion, go out including steady-flow tank 100, with steady-flow tank 100
The pressure maintaining tank 200 of water end (W.E.) connection, the outfall sewer 300 being connected with the water outlet of pressure maintaining tank 200, wherein, the water outlet of pressure maintaining tank 200
End be connected by being no less than the access of one with outfall sewer 300, be provided on every access one be used for water pumping water pump 400,
Supply equipment further includes switch board 500, and frequency converter 600, each frequency converter 600 and switch board 500 are both provided on each water pump 400
It is electrically connected, frequency transformation carries out every equipment by switch board 500, individual plants break down or during maintenance outage, can
Other supply equipments directly invoked in same system are directly supplied water, and each equipment room is spare each other, avoids disorderly closedown, are washed in a pan
The Traditional control pattern that single inverter 600 controls integral device has been eliminated, has reduced the volume of switch board 500 and integral device,
It realizes no shutdown persistently to supply water, equipment is easily assembled, and control operation is simple, and repair is easy.
As shown in Fig. 2, 100 top of steady-flow tank is provided with the water inlet 700 being connected with water inlet pipe and vacuum suppresser 800,
Vacuum suppresser 800 is electrically connected with switch board 500.100 water outlet of steady-flow tank is located at pot bottom, and water pump 400 is located at steady-flow tank
100 lower sections.
Check-valves 900 is provided on each access between each water pump 400 and outfall sewer 300.
The junction of each access and 200 water outlet of pressure maintaining tank is both provided with the solenoid valve of control opening and closing, each solenoid valve and control
Cabinet 500 processed is electrically connected.
It should be appreciated that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, can be improved or converted according to the above description, all these modifications and variations should all belong to the appended power of the utility model
The protection domain of profit requirement.
Claims (6)
1. a kind of secondary non-negative pressure water-supply installation of full frequency conversion, which is characterized in that be connected including steady-flow tank, with the water outlet of steady-flow tank
Pressure maintaining tank, the outfall sewer that is connected with the water outlet of pressure maintaining tank, wherein, the water outlet of pressure maintaining tank is by being no less than one logical
Road is connected with outfall sewer, be provided on every access one for water pumping water pump, the supply equipment further includes switch board, often
Frequency converter is both provided on one water pump, each frequency converter is electrically connected with switch board.
2. the secondary non-negative pressure water-supply installation of full frequency conversion according to claim 1, which is characterized in that set at the top of the steady-flow tank
It is equipped with the water inlet being connected with water inlet pipe.
3. the secondary non-negative pressure water-supply installation of full frequency conversion according to claim 1, which is characterized in that set at the top of the steady-flow tank
Vacuum suppresser is equipped with, vacuum suppresser is electrically connected with switch board.
4. the secondary non-negative pressure water-supply installation of full frequency conversion according to claim 1, which is characterized in that the steady-flow tank water outlet
Positioned at pot bottom, the water pump is located at below steady-flow tank.
5. the secondary non-negative pressure water-supply installation of full frequency conversion according to claim 1, which is characterized in that each water pump and outfall sewer
Between each access on be provided with check-valves.
6. the secondary non-negative pressure water-supply installation of full frequency conversion according to claim 1, which is characterized in that each access goes out with pressure maintaining tank
The junction of water end (W.E.) is both provided with the solenoid valve of control opening and closing, and each solenoid valve is electrically connected with switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721421066.3U CN207436136U (en) | 2017-10-30 | 2017-10-30 | A kind of secondary non-negative pressure water-supply installation of full frequency conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721421066.3U CN207436136U (en) | 2017-10-30 | 2017-10-30 | A kind of secondary non-negative pressure water-supply installation of full frequency conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436136U true CN207436136U (en) | 2018-06-01 |
Family
ID=62290470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721421066.3U Expired - Fee Related CN207436136U (en) | 2017-10-30 | 2017-10-30 | A kind of secondary non-negative pressure water-supply installation of full frequency conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436136U (en) |
-
2017
- 2017-10-30 CN CN201721421066.3U patent/CN207436136U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |