CN208777372U - A kind of frequency-changing water supply device - Google Patents
A kind of frequency-changing water supply device Download PDFInfo
- Publication number
- CN208777372U CN208777372U CN201821159908.7U CN201821159908U CN208777372U CN 208777372 U CN208777372 U CN 208777372U CN 201821159908 U CN201821159908 U CN 201821159908U CN 208777372 U CN208777372 U CN 208777372U
- Authority
- CN
- China
- Prior art keywords
- frequency
- pump group
- water supply
- hydraulic pressure
- 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
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model proposes a kind of frequency-changing water supply devices, including control unit, hydraulic pressure sense side unit, vacuum tank and frequency conversion pump group；Wherein, the inlet opening of vacuum tank is connected by pipeline with city planting ductwork；The apopore of vacuum tank is connected by pipeline with frequency conversion pump group；Frequency conversion pump group is connected by outlet conduit with user；Hydraulic pressure sensing unit is set on outlet conduit.Hydraulic pressure sensing unit includes cabinet, floating ball and liquid-level switch；Cabinet includes water outlet and water inlet, and cabinet is connected with outlet conduit, and floating ball and liquid-level switch are set in cabinet, and frequency conversion pump group includes at least two pressure pumps being serially connected；Pressure pump is connected by control unit with hydraulic pressure sensing unit, a kind of with prioreception to propose, can change the frequency-changing water supply device of water supply pump group feed pressure in advance.
Description
Technical field
The utility model relates to secondary water-supply technical field more particularly to a kind of frequency-changing water supply devices.
Background technique
No-negative-pressure water supply equipment is that a kind of pressurizing feedwater machine is directly connect, in municipal official website residue pressure with municipal network water supply
Series connection, which laminates, on the basis of power supplies water and ensures secondary pressurized water work of the municipal ductwork pressure not less than setting protection pressure.
Existing frequency-changing water supply device does not have the ability of pre- sensing pressure of supply water generally, in water use peak phase or municipal administration
In the insufficient situation of ductwork pressure, usually because of insufficient water, the pressure for changing water supply pump group, Lai Zengjia just artificially can be actively removed
Equipment pressure of supply water tastes the case where causing user to cut off the water supply the short time.
Utility model content
The purpose of this utility model is that proposing that one kind has prioreception, the change of water supply pump group feed pressure can be changed in advance
Frequency supply equipment.
In order to achieve the above objectives, the utility model proposes a kind of frequency-changing water supply devices, including control unit, hydraulic pressure sense side list
Member, vacuum tank and frequency conversion pump group；Wherein, the inlet opening of the vacuum tank is connected by pipeline with city planting ductwork；The pressure stabilizing
The apopore of tank is connected by pipeline with the frequency conversion pump group；The frequency conversion pump group is connected by outlet conduit with user；
The hydraulic pressure sensing unit is set on the outlet conduit；
The hydraulic pressure sensing unit includes cabinet, floating ball and liquid-level switch；The cabinet includes water outlet and water inlet, institute
It states cabinet to be connected with the outlet conduit, the floating ball and liquid-level switch are set in the cabinet；
The frequency conversion pump group includes at least two pressure pumps being serially connected；The pressure pump by control unit with it is described
Hydraulic pressure sensing unit is connected.
Preferably, the vacuum tank is connected with multiple groups frequency conversion pump group.
Preferably, the liquid-level switch is liquid level sensor.
Preferably, the outlet conduit is equipped with valve.
Preferably, the frequency conversion pump group, control unit and hydraulic pressure sense side unit are mutually interconnected by conducting wire or wireless local area
It connects.
Compared with prior art, the utility model is advantageous in that: the hydraulic pressure sense side unit of the utility model includes
Cabinet, floating ball and liquid-level switch, liquid-level switch are set in cabinet, and in the normal situation that supplies water, float position is opened higher than liquid level
It closes, system worked well, in the insufficient situation of systematic Water supply pressure, the position of water level decreasing in water tank, floating ball is lower than liquid
Bit switch opens concatenated pump group, increases the pressure of supply water of system, work as floating ball to start control centre's control frequency conversion pump group
Higher than the position of liquid-level switch liquid-level switch is touched again, to close concatenated that is, in the case where systematic Water supply pressure abundance
Pump group reaches energy-efficient effect.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of frequency-changing water supply device in an embodiment of the present invention.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is further described.
As shown in Figure 1, the utility model proposes a kind of frequency-changing water supply device, including control unit 1, hydraulic pressure sense side unit 2,
Vacuum tank 3 and frequency conversion pump group 4, wherein the inlet opening of the vacuum tank 3 is connected by pipeline with city planting ductwork；The pressure stabilizing
The apopore of tank 3 is connected by pipeline with the frequency conversion pump group 4；The frequency conversion pump group 4 is connected by outlet conduit with user
It connects；The hydraulic pressure sensing unit 2 is set on the outlet conduit；
The hydraulic pressure sensing unit 2 includes cabinet 21, floating ball 22 and liquid-level switch 23；The cabinet 21 include water outlet and
Water inlet, the cabinet 21 are connected with the outlet conduit, and the floating ball 22 and liquid-level switch 23 are set to the cabinet 21
It is interior；
The frequency conversion pump group 4 includes at least two pressure pumps being serially connected；The pressure pump passes through control unit 1 and institute
Hydraulic pressure sensing unit 2 is stated to be connected.
In the present embodiment, the vacuum tank 3 is connected with multiple groups frequency conversion pump group.
In the present embodiment, the liquid-level switch 23 is liquid level sensor.
In the present embodiment, the outlet conduit is equipped with valve.
In the present embodiment, the frequency conversion pump group 4, control unit 1 and hydraulic pressure sense side unit 2 pass through conducting wire or Wireless Local Area
Net is connected with each other.
In the present embodiment, the hydraulic pressure sense side unit 2 of the utility model includes cabinet 21, floating ball 22 and liquid-level switch 23,
Liquid-level switch 23 is set in cabinet 21, and in the normal situation that supplies water, 22 position of floating ball is higher than liquid-level switch 23, the normal work of system
To make, in the insufficient situation of systematic Water supply pressure, the position of water level decreasing in water tank, floating ball 22 is lower than liquid-level switch 23, from
And start control centre 1 and control frequency conversion pump group 4, concatenated pump group is opened, the pressure of supply water of system is increased, when floating ball 22 is higher than liquid
In the case that the position of bit switch 23, i.e. systematic Water supply pressure are sufficient, liquid-level switch 23 is touched again, to close concatenated pump
Group reaches energy-efficient effect.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (5)
1. a kind of frequency-changing water supply device, which is characterized in that including control unit, hydraulic pressure sense side unit, vacuum tank and frequency conversion pump group；
Wherein, the inlet opening of the vacuum tank is connected by pipeline with city planting ductwork；The apopore of the vacuum tank by pipeline with
The frequency conversion pump group is connected；The frequency conversion pump group is connected by outlet conduit with user；The hydraulic pressure sensing unit is set to
On the outlet conduit；
The hydraulic pressure sensing unit includes cabinet, floating ball and liquid-level switch；The cabinet includes water outlet and water inlet, the case
Body is connected with the outlet conduit, and the floating ball and liquid-level switch are set in the cabinet；
The frequency conversion pump group includes at least two pressure pumps being serially connected；The pressure pump passes through control unit and the hydraulic pressure
Sensing unit is connected.
2. frequency-changing water supply device according to claim 1, which is characterized in that the vacuum tank is connected with multiple groups variable frequency pump
Group.
3. frequency-changing water supply device according to claim 1, which is characterized in that the liquid-level switch is liquid level sensor.
4. frequency-changing water supply device according to claim 1, which is characterized in that the outlet conduit is equipped with valve.
5. frequency-changing water supply device according to claim 1, which is characterized in that the frequency conversion pump group, control unit and hydraulic pressure
Feel side unit to be connected with each other by conducting wire or wireless local area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821159908.7U CN208777372U (en) | 2018-07-18 | 2018-07-18 | A kind of frequency-changing water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821159908.7U CN208777372U (en) | 2018-07-18 | 2018-07-18 | A kind of frequency-changing water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208777372U true CN208777372U (en) | 2019-04-23 |
Family
ID=66154318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821159908.7U Expired - Fee Related CN208777372U (en) | 2018-07-18 | 2018-07-18 | A kind of frequency-changing water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208777372U (en) |
-
2018
- 2018-07-18 CN CN201821159908.7U patent/CN208777372U/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: 20190423 Termination date: 20200718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |