CN217204414U

CN217204414U - Non-negative pressure pipe network pressure-superposed water supply equipment

Info

Publication number: CN217204414U
Application number: CN202220190166.4U
Authority: CN
Inventors: 何军; 雷敏
Original assignee: Taobo Smart Water Technology Guangdong Co ltd
Current assignee: Taobo Smart Water Technology Guangdong Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-16
Anticipated expiration: 2032-01-24

Abstract

The application discloses a negative-pressure-free pipe network pressure-superposed water supply device, which comprises a washing machine body and a roller, wherein the roller is in driving connection with a driving assembly; the driving assembly comprises a driving motor, a first driving wheel, a second driving wheel, a third driving wheel, a fourth driving wheel, a first driving unit, a second driving unit, a first driving shaft and a second driving shaft, the driving motor is mounted on the washing machine body, the first driving wheel is connected to the output end of the driving motor, the second driving wheel and the third driving wheel are mounted at two ends of the first driving shaft, and the first driving unit is tensioned on the first driving wheel and the second driving wheel; the fourth transmission wheel is arranged on the second transmission shaft, the second transmission unit is tensioned on the third transmission wheel and the fourth transmission wheel, and the roller is connected with the second transmission shaft; the outer diameters of the first driving wheel and the third driving wheel are smaller than the outer diameter of the second driving wheel. The non-negative-pressure pipe network pressure-superposed water supply equipment has higher transmission efficiency and lower energy consumption.

Description

Non-negative pressure pipe network pressure-superposed water supply equipment

Technical Field

The utility model relates to a water supply equipment technical field, in particular to no negative pressure pipe network pressure-superposed water supply equipment.

Background

The variable-frequency constant-pressure water supply equipment adopts a programming controller, and a PLC controller adjusts the rotating speed of a water pump after PID operation according to the real-time pressure on a pipe network, so that the constant of the water outlet pressure is realized. Traditional frequency conversion constant voltage water supply equipment, the structure is comparatively complicated, and the energy consumption is great, and equipment inserts water source supply end (like municipal pipe network etc.) back, can cause certain pressure to the water source supply end to produce the negative pressure on equipment, produce great influence, the practicality is relatively poor to the water source supply end.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a no negative pressure pipe network pressure-superposed water supply equipment to solve the traditional frequency conversion constant voltage water supply equipment who provides in the background art and influence great problem to water source supply end.

In order to achieve the above purpose, the present application provides the following technical solutions: a non-negative-pressure pipe network pressure-superposed water supply device comprises a PLC control cabinet, and further comprises a water inlet pipe, a pressure stabilizing regulator, a pump set and a water outlet pipe which are sequentially connected through a pipeline, wherein a water inlet of the water inlet pipe is connected with a water supply end, a water inlet butterfly valve and a pressure sensor are installed on the water inlet pipe, a negative pressure suppressor, an emptying valve and a negative pressure detection sensor are installed on the pressure stabilizing regulator, the pump set comprises a plurality of pumping control paths which are connected in parallel, each pumping control path comprises a valve gate, a water pump and a check valve, a water inlet end of the valve gate is communicated with a water outlet end of the pressure stabilizing regulator through a pipeline, a water outlet end of the valve gate is communicated with a water inlet end of the water pump through a pipeline, a water outlet end of the water pump is connected with a water inlet end of the check valve through a pipeline, the check valve is communicated with the water outlet pipe through a pipeline, and a remote transmission pressure detector is installed on the water outlet pipe, the water pump, the negative pressure suppressor, the pressure sensor, the negative pressure detection sensor and the remote transmission pressure detector are respectively connected with the PLC control cabinet.

Preferably, the water inlet pipe is provided with a filter.

Preferably, the non-negative-pressure pipe network pressure-superposed water supply equipment is provided with a plurality of soft joints arranged on the pipeline.

Preferably, a backflow preventer is installed between the water inlet pipe and the flow stabilizing regulator.

Preferably, a second butterfly valve is installed between the check valve and the water outlet pipe.

Preferably, a second check valve is installed between the water pump and the valve gate.

Preferably, the water outlet pipe is provided with a water outlet butterfly valve.

Preferably, the PLC control cabinet is a variable frequency control cabinet.

Has the advantages that: the application discloses no negative pressure network pressure-superposed water supply equipment, water source supply end can be on the running water pipe network, and the original water supply pressure of make full use of running water controls the water pump through variable frequency speed governing technique, realizes the constant voltage water supply to the water terminal of access outlet pipe. The system utilizes the original pipe network pressure, achieves high efficiency and energy conservation, simultaneously adopts a negative pressure inhibition technology, inhibits the generation of water inlet negative pressure in the operation process, and ensures the safety of the tap water pipe network. The original pressure of tap water is fully utilized in the running process of the equipment, and the water supply pressure of a user is ensured to be constant. The PLC control cabinet constantly monitors the pressure of a tap water pipe network and a system in the operation process of the equipment, and automatically controls the negative pressure suppressor and the regulator to suppress the generation of negative pressure, so that the performance of fully utilizing the pressure of the municipal pipe network without generating negative pressure is realized, no adverse effect is generated on a water source supply end, and the safety of water use is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a non-negative pressure pipe network pressure-superposed water supply device in the embodiment of the application.

Reference numerals are as follows: 1. a water inlet pipe; 2. a steady flow regulator; 3. a water outlet pipe; 4. a water inlet butterfly valve; 5. a negative pressure suppressor; 6. an evacuation valve; 7. a water pump; 8. a check valve; 9. a pressure sensor; 10. a negative pressure detection sensor; 11. a remote pressure detector; 12. a PLC control cabinet; 13. a filter; 14. a soft joint; 15. a backflow preventer; 16. a second butterfly valve; 17. a second check valve; 18. a water outlet butterfly valve; 19. a water inlet check valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

The non-negative pressure water supply equipment is a novel water supply pressurizing equipment which appears in recent years, the equipment can be directly connected to a tap water pipe network, the original water supply pressure of tap water is fully utilized, a working water pump is controlled through an advanced variable frequency speed regulation technology, and constant pressure water supply to a water terminal is realized. The equipment is characterized in that the original pipe network pressure is utilized, more high efficiency and energy conservation are realized, and meanwhile, the negative pressure inhibition technology is adopted, so that the generation of water inlet negative pressure is inhibited in the operation process, and the safety of a tap water pipe network is ensured.

Referring to fig. 1, the non-negative-pressure pipe network pressure-superposed water supply equipment includes a PLC control cabinet 12, where the PLC control cabinet 12 may be any one of the prior art, and in this embodiment, the PLC control cabinet 12 is a variable frequency control cabinet. This kind of no negative pressure network pressure-superposed water supply equipment still includes the inlet tube 1 that loops through the pipe connection, steady flow regulator 2, the pump package, outlet pipe 3, inlet tube 1, steady flow regulator 2, outlet pipe 3 all can be any one among the prior art, the water inlet and the water supply end of inlet tube 1 are connected like municipal tap water pipe network, install into water butterfly valve 4 on the inlet tube 1, pressure sensor 9, filter 13, into water butterfly valve 4, pressure sensor 9, filter 13 all can be any one among the prior art, into water butterfly valve 4 and intake check valve 19 through soft joint 14 and be connected, intake check valve 19 can be any one among the prior art. The pressure sensor 9 is connected with the PLC control cabinet 12 to detect the water inlet pressure and feed back the water inlet pressure to the PLC control cabinet 12. The filter 13 filters the water entering the water inlet pipe 1, thereby avoiding the influence of impurities in the water on the normal operation and judgment of subsequent elements. In this embodiment, a backflow preventer 15 is installed between the water inlet pipe 1 and the surge tank 2, the backflow preventer 15 may be any one of the prior art, and both ends of the backflow preventer 15 are connected with the water outlet end of the water inlet pipe 1 and the water inlet end of the surge tank 2 through soft joints 14. The equipment is directly connected in series with a tap water pipe network, a sealed water tank and a negative pressure inhibition and compensation system are adopted, and the PLC control cabinet 12 is used for automatic adjustment, so that no negative pressure is generated in the tap water pipe network, and therefore, after the equipment is used, the water consumption of surrounding users cannot be influenced. Meanwhile, the equipment is directly connected with the tap water pipe network in series, the pressure of the tap water pipe network can be fully utilized, the pressure is only supplemented to the difference between the water inlet pressure of tap water and the required pressure, the equipment stops working when the tap water meets the requirement, and the tap water is directly supplied.

The regulator 2 is provided with a negative pressure suppressor 5, an emptying valve 20 and a negative pressure detection sensor 10, and the negative pressure suppressor 5, the emptying valve 20 and the negative pressure detection sensor 10 can be any one of the prior art. The negative pressure suppressor 5 and the negative pressure detection sensor 10 are respectively connected with the PLC control cabinet 12, the negative pressure detection sensor 10 is used for detecting the negative pressure on the regulator 2 and feeding back the detection result to the PLC control cabinet 12, and the PLC control cabinet 12 adaptively controls the negative pressure suppressor 5 to suppress the negative pressure according to the received negative pressure value.

The pump package includes a plurality of parallelly connected pump control way, pump control way includes valve gate 6, water pump 7, check valve 8, second butterfly valve 16, second check valve 17, valve gate 6, water pump 7, check valve 8, second butterfly valve 16, second check valve 17 all can be any one among the prior art, the end of intaking of valve gate 6 passes through the pipeline and communicates with the play water end of steady flow regulator 2, the play water end of valve gate 6 passes through soft joint 14 and communicates with the end of intaking of second check valve 17, the play water end of second check valve 17 passes through the pipeline and communicates with the end of intaking of water pump 7. The end connection of intaking of check valve 8, check valve 8 communicates with outlet pipe 3 through the pipeline, and water pump 7 and PLC switch board 12 control connection, and the play water end of water pump 7 communicates with check valve 8 through the pipeline, and check valve 8 communicates with the end of intaking of second butterfly valve 16 through the 14 pipelines of soft joint, and the play water end of second butterfly valve 16 communicates with outlet pipe 3 through the pipeline.

The water outlet pipe 3 is provided with a remote transmission pressure detector 11, the remote transmission pressure detector 11 can be any water pressure detection sensor in the prior art, and the remote transmission pressure detector 11 is connected with the PLC control cabinet 12 to detect the pressure of the water end and feed the pressure back to the PLC control cabinet 12. The water outlet pipe 3 is provided with a water outlet butterfly valve 18, and the water blowing pipe 3 is communicated with a user pipe network so as to supply water to users.

The working principle is as follows: the utility model provides a no negative pressure pipe network pressure-superposed water supply equipment sets for water consumption point operating pressure promptly user's required pressure according to actual conditions on PLC switch board 12 at first to monitor municipal pipe network pressure constantly. When the municipal pipe network pressure is lower than the pressure required by the user, the PLC control cabinet 12 controls and adjusts the rotation speed of the water pump 7 to increase until the pipe network pressure rises to the pressure required by the user, and controls the water pump 7 to operate at a constant rotation speed to supply water at a constant pressure. When the water consumption is increased, the rotating speed of the water pump 7 is increased, and when the water consumption is reduced, the rotating speed of the water pump 7 is reduced, so that the water pressure of a user is constantly kept constant. In short, the lower the pressure of the tap water network, the higher the rotation speed of the water pump 7, and the higher the pressure of the tap water, the lower the rotation speed of the water pump 7. When the pressure of the tap water network is not less than the pressure required by the user, the water pump 7 is stopped. The original pressure of tap water is fully utilized in the running process of the equipment, and the pressure required by a user is ensured to be constant. The PLC control cabinet 12 constantly obtains the pressure of municipal tap water pipe network and system in the operation process of the equipment, and the automatic control vacuum suppressor 5 and the steady flow regulator 2 suppress the generation of negative pressure, thereby not only fully utilizing the pressure of the municipal tap water pipe network, but also not generating negative pressure, thereby avoiding the generation of adverse effect on the municipal pipe network and ensuring the safety of water use.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part can be realized by adopting the conventional means of mature bolts, rivets, welding and the like in the prior art, the machines, the parts and the equipment adopt the conventional models in the prior art, the corresponding control mode can be automatically controlled by the PLC control cabinet 12, the control circuit of the PLC control cabinet 12 can be realized by simple programming of technicians in the field, the present application document belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the detailed explanation of the control mode and the circuit connection is not needed.

It should be noted that, in this document, the term "comprises/comprising" is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The non-negative-pressure pipe network pressure-superposed water supply equipment comprises a PLC control cabinet (12) and is characterized by further comprising a water inlet pipe (1), a flow stabilizing regulator (2), a pump set and a water outlet pipe (3) which are sequentially connected through a pipeline, wherein a water inlet of the water inlet pipe (1) is connected with a water supply end, a water inlet butterfly valve (4) and a pressure sensor (9) are installed on the water inlet pipe (1), a negative pressure suppressor (5), an emptying valve (20) and a negative pressure detection sensor (10) are installed on the flow stabilizing regulator (2), the pump set comprises a plurality of pumping control paths which are connected in parallel, each pumping control path comprises a valve gate (6), a water pump (7) and a check valve (8), the water inlet end of the valve gate (6) is communicated with the water outlet end of the flow stabilizing regulator (2) through a pipeline, the water outlet end of the valve gate (6) is communicated with the water inlet end of the water pump (7) through a pipeline, the water outlet end of the water pump (7) is connected with the water inlet end of the check valve (8) through a pipeline, the check valve (8) is communicated with the water outlet pipe (3) through a pipeline, a remote transmission pressure detector (11) is installed on the water outlet pipe (3), the water pump (7) the negative pressure suppressor (5), the pressure sensor (9), the negative pressure detection sensor (10) and the remote transmission pressure detector (11) are respectively connected with the PLC control cabinet (12).

2. The non-negative pressure pipe network pressure-superposed water supply equipment according to the claim 1, characterized in that the water inlet pipe (1) is provided with a filter (13).

3. The non-negative pressure network pressure-superposed water supply equipment according to claim 1, characterized in that a plurality of soft joints (14) arranged on the pipeline are arranged on the non-negative pressure network pressure-superposed water supply equipment.

4. Pressure-superposed water supply equipment without negative pressure pipe network according to claim 1, characterized in that a backflow preventer (15) is installed between the water inlet pipe (1) and the regulator (2).

5. The non-negative pressure network pressure-superposed water supply equipment according to claim 1, characterized in that a second butterfly valve (16) is installed between the check valve (8) and the water outlet pipe (3).

6. The non-negative pressure pipe network pressure-superposed water supply equipment according to claim 5, characterized in that a second check valve (17) is installed between the water pump (7) and the valve gate (6).

7. The non-negative-pressure pipe network pressure-superposed water supply equipment according to claim 6, characterized in that a water outlet butterfly valve (18) is installed on the water outlet pipe (3).

8. The non-negative-pressure pipe network pressure-superposed water supply equipment according to claim 1, wherein the PLC control cabinet (12) is a variable frequency control cabinet.