CN221321117U - Water supply system - Google Patents
Water supply system Download PDFInfo
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- CN221321117U CN221321117U CN202323566347.6U CN202323566347U CN221321117U CN 221321117 U CN221321117 U CN 221321117U CN 202323566347 U CN202323566347 U CN 202323566347U CN 221321117 U CN221321117 U CN 221321117U
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- 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
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Abstract
The utility model discloses a water supply system which is used for municipal water supply and comprises a municipal water supply pipeline, a tank body, a water pump unit, a user water supply pipeline and a pressure regulator. The tank body is provided with a direct supply cavity and a compensation cavity, the water inlet end of the direct supply cavity is connected with a municipal water supply pipeline, the water inlet end of the water pump unit is connected with the water outlet end of the direct supply cavity, and the water supply pipeline of the user is connected with the water outlet end of the water pump unit. When the water pressure fluctuation of the municipal water supply pipeline influences the normal water inflow of the water pump unit, the water in the compensation cavity of the tank body is mixed with the water in the direct supply cavity through the pressure regulator to supply water for the water pump unit together, so that the problem that the fluctuation water supply of the municipal water supply pipeline influences the normal water supply of the downstream user water supply pipeline is solved.
Description
Technical Field
The utility model relates to the technical field of secondary water supply, in particular to a water supply system.
Background
The application and development of the secondary water supply technology are important components of the urban water supply system, and have important significance for solving the urban water consumption problem. In the future, with the water challenges presented by urbanization and population growth, the application and development of secondary water supply technologies will face more opportunities and challenges.
At present, a single-tank type water supply method is adopted by non-negative pressure water supply equipment in the market, when municipal water inlet pressure changes greatly, the water inlet pressure of the equipment changes greatly, the water outlet pressure changes are amplified several times under the action of a booster water pump, the user side obviously observes that water is negligent and negligent, and the water consumption experience is poor.
Disclosure of utility model
The utility model aims to provide a water supply system which is used for supplying water for a water pump unit through mixing water in a compensation cavity of a tank body with water in a direct supply cavity through a pressure regulator when the fluctuation of the water pressure of a municipal water supply pipeline influences the normal water supply of the water pump unit, so that the problem that the fluctuation of the water supply pipeline of the municipal water supply pipeline influences the normal water supply of a downstream user water supply pipeline is solved, and meanwhile, when the water pressure of the water outlet end of the water pump unit is overlarge, a part of water flows through the pressure regulator to enter the compensation cavity for temporary storage, so that the water pressure in the downstream user water supply pipeline is kept normal, and the normal water use of a user is ensured.
The utility model adopts the following technical scheme:
a water supply system for municipal water supply comprising:
Municipal water supply lines;
The tank body is provided with a direct supply cavity and a compensation cavity, and the water inlet end of the direct supply cavity is connected with the municipal water supply pipeline;
the water inlet end of the water pump unit is connected with the water outlet end of the direct supply cavity;
the user water supply pipeline is connected with the water outlet end of the water pump unit;
A pressure regulator having a first port, a second port, and a third port; the first port is connected with the user water supply pipeline, the second port is connected with the direct supply cavity, the third port is connected with the compensation cavity, the first port is selectively opened or closed so that the first port is communicated with the third port, and the second port is selectively opened or closed so that the second port is communicated with the third port.
Preferably, the method further comprises: the controller module is used for monitoring the water pressure value of the water outlet end of the water pump unit in real time, and controlling the rotating speed of the water pump unit according to the difference value between the water pressure value and the preset pressure value of the controller module so as to keep the water outlet end of the water pump unit constant in pressure;
The water inlet end and the water outlet end of the water pump unit are respectively provided with a water inlet main pipe and a water outlet main pipe, the water outlet main pipe is provided with a compensation branch pipe, the compensation branch pipe is connected with the first port, and the second port is connected with the water inlet main pipe.
Preferably, a pressure regulating mechanism is arranged on one side of the pressure regulator, which is close to the first port, so as to regulate the opening and closing pressure of the first port;
And an electric actuating mechanism is arranged on one side of the pressure regulator, which is close to the second port, so as to control the opening and closing of the second port.
Preferably, the pressure regulator is close to the first port and the second port and is detachably provided with a sealing cover, the sealing cover divides the pressure regulator into an inner side and an outer side, the sealing cover is movably inserted with a telescopic piece, one end of the telescopic piece, which is positioned at the inner side of the pressure regulator, is provided with a sealing assembly, and the pressure regulating mechanism and the electric executing mechanism are respectively arranged on the sealing cover.
Preferably, the pressure regulating mechanism comprises a telescopic member, a regulating member and an elastic member;
One end of the telescopic piece, which is positioned at the outer side of the pressure regulator, is provided with a limiting piece, the regulating piece is installed on the outer surface of the sealing cover in a threaded manner, and the elastic piece is installed between the regulating piece and the limiting piece so as to regulate the resistance of the telescopic piece to the movement of the telescopic piece to the outer side of the pressure regulator.
Preferably, the regulating part is of a cylindrical structure with a top in a closed state, an annular groove surrounding the telescopic part is formed in the outer surface of the sealing cover, the annular groove is in threaded connection with the regulating part, the elastic part is a telescopic spring, an upper locating part is arranged on the top wall inside the regulating part, the telescopic part extends to the upper part of the limiting part, and two ends of the telescopic spring are respectively sleeved on the upper locating part and the telescopic part.
Preferably, through holes penetrating through the inner side and the outer side of the adjusting piece are formed in the upper positioning piece so as to prevent the top end of the telescopic piece from interfering with the upper positioning piece.
Preferably, the electric actuator comprises a further telescopic member and a driving element;
The driving element is arranged on the outer surface of the sealing cover and is electrically connected with the controller module, so that the driving element is used for controlling the telescopic piece to stretch and retract to realize opening and closing of the second port.
Preferably, the water supply system further comprises a backflow preventer and a first valve which are sequentially connected in series on the municipal water supply pipeline, a first pressure transmitter is arranged at the joint of the direct supply cavity and the municipal water supply pipeline, and a negative pressure inhibitor communicated with the compensation cavity is arranged on the tank body.
Preferably, the water supply system further comprises a second pressure transmitter and an electric contact pressure gauge which are connected in series on the user water outlet main pipe, a second valve is arranged on the user water supply pipeline, and a third valve is arranged on the compensation branch pipe.
Compared with the prior art, the utility model has the beneficial effects that at least:
When the water pressure fluctuation of the municipal water supply pipeline influences the normal water inflow of the water pump unit, the water in the compensation cavity of the tank body is mixed with the water in the direct supply cavity through the pressure regulator to supply water for the water pump unit together, so that the problem that the fluctuation water supply of the municipal water supply pipeline influences the normal water supply of the downstream user water supply pipeline is solved.
Further, the pressure regulator can rotate the regulating element to enable the regulating element to move in the annular groove, and meanwhile, the compression degree of the elastic element is regulated, so that the opening and closing acting force of the first port corresponding to the sealing component is regulated, the opening pressure of the sealing component can be regulated to be equal according to the water outlet pressure of the water outlet main pipe of the system, the application range of the pressure regulator is improved, the water outlet main pipe is timely decompressed, and redundant water is stored in the compensation cavity, so that the pressure regulator has stronger practicability.
Drawings
FIG. 1 is a schematic diagram of a water supply system according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of a pressure regulator according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a pressure regulator for feeding water into a compensation chamber according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a pressure regulator for replenishing water into a water inlet manifold according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of FIG. 2 at A in accordance with the present utility model;
FIG. 6 is a schematic view of the structure of FIG. 3 at B in accordance with the present utility model;
FIG. 7 is a schematic view of the structure of FIG. 4 at C in accordance with the present utility model;
In the figure: 1. municipal water supply lines; 2. a tank body; 201. a direct supply cavity; 202. a compensation chamber; 3. a water pump unit; 301. a water inlet main pipe; 302. a water outlet main pipe; 303. compensating the branch pipe; 4. a user water supply line; 5. a pressure regulator; 501. a first port; 502. a second port; 503. a third port; 6. a controller module; 7. sealing cover; 701. a ring groove; 8. a telescoping member; 801. a seal assembly; 802. a limiting piece; 9. an adjusting member; 901. an upper positioning piece; 902. a through hole; 10. an elastic member; 11. a driving element; 12. a backflow preventer; 13. a first valve; 14. a first pressure transmitter; 15. a negative pressure suppressor; 16. a second pressure transmitter; 17. an electrical contact pressure gauge; 18. a second valve; 19. and a third valve.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present utility model are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present utility model.
Referring to fig. 1 to 7, the present application provides a water supply system for municipal water supply, comprising: municipal water supply line 1, tank 2, water pump assembly 3, user water supply line 4, pressure regulator 5 and controller module 6. Wherein, the water supply system further comprises a backflow preventer 12 and a first valve 13 which are sequentially connected in series on the municipal water supply pipeline 1, so as to prevent water in the municipal water supply pipeline 1 from flowing backwards and control the flow of the municipal water supply pipeline 1.
The tank body 2 is provided with a direct supply cavity 201 and a compensation cavity 202, and the water inlet end of the direct supply cavity 201 is connected with the municipal water supply pipeline 1; wherein, the junction of the direct supply cavity 201 and the municipal water supply pipeline 1 is provided with a first pressure transmitter 14 to detect the water pressure value of the water inlet end of the direct supply cavity 201, and the tank body 2 is provided with a negative pressure inhibitor 15 communicated with the compensation cavity 202 to prevent the vacuum and the pressure unbalance in the compensation cavity 202 through the self regulation.
It should be noted that, the first pressure transmitter 14 and the negative pressure suppressor 15 are electrically connected to the controller module 6, so that the pressure value of the water inlet end of the direct supply cavity 201 and the pressure state of the compensation cavity 202 can be transmitted to the PLC system in the controller module 6 in time.
The water inlet end of the water pump unit 3 is connected with the water outlet end of the direct supply cavity 201, and the municipal water supply pipeline 1 supplies water for the water pump unit 3 through the direct supply cavity 201.
The user water supply pipeline 4 is connected with the water outlet end of the water pump unit 3; the municipal water supply pipeline 1 conveys water to the user water supply pipeline 4 through the water pump unit 3 and leads the water to each user residence respectively, so that water supply is realized. Wherein the second valve 18 is mounted on the user water supply line 4, and a butterfly valve is specifically selected to control the flow rate of the user water supply line 4.
The pressure regulator 5 has a first port 501, a second port 502 and a third port 503; the first port 501 is connected to the user water supply line 4, the second port 502 is connected to the direct supply chamber 201, and the third port 503 is connected to the compensation chamber 202; when the municipal water supply pipeline 1 is insufficient in water pressure, the compensation cavity 202 mixes water in the compensation cavity with water discharged by the direct supply cavity 201 through the third port 503 and the second port 502 to supply water for the water pump unit 3 together, and when the water pressure of the user water supply pipeline 4 is excessive, a part of water flow enters the compensation cavity 202 through the first port 501 and the third port 503 to be stored, so that the water pressure of the user water supply pipeline 4 is reduced.
The first port 501 is selectively opened or closed, either actively or passively, so that the first port 501 communicates with the third port 503, preferably when the third port 502 is closed. The second port 502 is selectively opened or closed, either actively or passively, such that the second port 502 communicates with the third port 503, preferably when the first port 501 is closed.
The controller module 6 is used for monitoring the water pressure value of the water outlet end of the water pump unit 3 in real time, and controlling the rotating speed of the water pump unit 3 according to the difference value of the preset pressure value of the controller module 6, so that the water outlet end of the water pump unit 3 is kept at a constant pressure.
Therefore, when the water pressure fluctuation of the municipal water supply pipeline 1 influences the normal water inflow of the water pump unit 3, the water in the compensation cavity 202 of the tank body 2 is mixed with the water in the direct supply cavity 201 through the pressure regulator 5 to supply water for the water pump unit 3, the problem that the fluctuation water supply of the municipal water supply pipeline 1 influences the normal water supply of the downstream user water supply pipeline 4 is solved, and meanwhile, when the water pressure of the water outlet end of the water pump unit 3 is overlarge, a part of water flows through the pressure regulator 5 to enter the compensation cavity 202 for temporary storage, so that the water pressure in the downstream user water supply pipeline 4 is kept normal, and the normal water use of a user is ensured.
In a preferred embodiment, the water inlet end and the water outlet end of the water pump unit 3 are respectively provided with a water inlet main 301 and a water outlet main 302, the water outlet main 302 is provided with a compensating branch 303, the compensating branch 303 is connected with a first port 501, and a second port 502 is connected with the water inlet main 301. The water supply system further comprises a second pressure transmitter 16 and an electric contact pressure gauge 17 which are connected in series on the user water outlet main pipe 302, so as to be used for detecting the water pressure on the user water outlet main pipe 302 and controlling the upper limit and the lower limit of the water pressure in the user water outlet main pipe 302, and the compensating branch pipe 303 is provided with a third valve 19, which can be specifically selected as a butterfly valve, so as to control the flow of the compensating branch pipe 303.
It should be noted that, the second pressure transmitter 16 and the electric contact pressure gauge 17 are electrically connected to the controller module 6, so that the water pressure value in the user outlet manifold 302 can be transmitted to the PLC system of the controller module 6, and the upper limit and the lower limit of the electric contact pressure gauge 17 can be adjusted by the controller module 6.
In this embodiment, a pressure regulator 5 is provided on the side near the first port 501 with a pressure regulating mechanism for regulating the opening and closing pressure of the first port 501.
An electric actuator is arranged on the side of the pressure regulator 5 close to the second port 502 for controlling the opening and closing of the second port 502. In general, the voltage regulating mechanism and the electric actuator are not turned on at the same time.
In a preferred embodiment, the pressure regulator 5 is detachably provided with sealing covers 7 at the positions close to the first port 501 and the second port 502, the sealing covers 7 are preferably arranged on the pressure regulator 5 in a bolt manner, the sealing covers 7 divide the pressure regulator 5 into an inner side and an outer side, telescopic members 8 are movably inserted into the sealing covers 7, one ends of the telescopic members 8, which are positioned at the inner sides of the pressure regulator 5, are provided with sealing assemblies 801, and the sealing assemblies 801 can seal the inner cavities of the pressure regulator 5 at the positions of the first port 501 and the second port 502 so as to realize opening and closing of the corresponding ports, and a pressure regulating mechanism and an electric executing mechanism are respectively arranged on the sealing covers 7.
Referring to fig. 5 and 6, the pressure regulating mechanism preferably includes a telescopic member 8, a regulating member 9 and an elastic member 10;
One end of the telescopic member 8 located outside the pressure regulator 5 is provided with a limiting member 802, the adjusting member 9 is mounted on the outer surface of the sealing cover 7 in a threaded manner, and the elastic member 10 is mounted between the adjusting member 9 and the limiting member 802 so as to adjust the resistance of the telescopic member 8 moving outside the pressure regulator 5.
Wherein, regulating part 9 is preferably the tubular structure that the top is the closed condition, and the sealed lid 7 surface that corresponds with regulating part 9 is provided with the annular 701 around telescopic part 8, and annular 701 and regulating part 9 threaded connection, and elastic component 10 can be telescopic spring, and the inside roof of regulating part 9 is provided with locating part 901, and telescopic part 8 extends to locating part 802 top, and telescopic part 8 is preferably the shaft-like structure, and telescopic spring both ends cover are established respectively on locating part 901 and telescopic part 8, can fix a position telescopic spring through last locating part 901 and telescopic part 8, avoid it to rock or remove by oneself in regulating part 9 inside. It should be noted that, the outer side wall of the adjusting member 9 may be provided with external threads, and the opposite outer wall inside the ring groove 701 is provided with threads corresponding to the outer side wall of the adjusting member 9, so that threaded engagement between the adjusting member 9 and the ring groove 701 may be achieved, of course, the inner side wall of the adjusting member 9 may also be provided with internal threads, and the opposite inner wall inside the ring groove 701 is provided with threads corresponding to the inner side wall of the adjusting member 9, so that threaded engagement between the adjusting member 9 and the ring groove 701 may be achieved.
Referring to fig. 3, 5 and 6, when the water outlet pressure of the water outlet manifold 302 is too high, a part of water flows through the first port 501 of the pressure regulator 5 to prop up the telescopic member 8, so that the first port 501 is communicated with the third port 503, water enters the compensation cavity 202 for temporary storage, the water pressure in the downstream user water supply pipeline 4 is kept normal, and normal water use of a user is ensured.
Therefore, the pressure regulator 5 can rotate the adjusting member 9 to move in the ring groove 701 and adjust the compression degree of the elastic member 10 at the same time, so as to adjust the opening and closing acting force of the first port 501 corresponding to the sealing assembly 801, and adjust the opening pressure of the sealing assembly 801 according to the outlet pressure of the system outlet manifold 302 to make the opening pressure and the opening pressure equal, so as to raise the application range of the pressure regulator 5, timely decompress the outlet manifold 302, and store redundant water in the compensation cavity 202, thereby making the pressure regulator 5 have stronger practicability. When water is fed into the compensation cavity 202, air in the compensation cavity 202 is discharged through the negative pressure inhibitor 15, and when the compensation cavity 202 is filled with pressurized water, the negative pressure inhibitor 15 is automatically closed.
It should be noted that, the inner portion of the upper positioning member 901 is provided with a through hole 902 penetrating through the inner side and the outer side of the adjusting member 9, and the size of the through hole 902 is larger than that of the telescopic member 8, so that the telescopic member 8 can be inserted into the inner portion of the through hole, thereby preventing the top end of the telescopic member 8 from interfering with the upper positioning member 901, and affecting the normal opening of the sealing assembly 801 at the bottom end of the telescopic member 8.
Referring to fig. 7, in a preferred embodiment, the electric actuator comprises a further telescopic member 8 and a driving element 11; the driving element 11 is capable of telescopic movement to bring about the movement of the corresponding telescopic element 8. The driving element 11 is electrically connected to the controller module 6, so as to control the driving element 11 to operate to open the second port 502 when the pressure fluctuation in the direct supply cavity 201 is detected, specifically, referring to fig. 4, when the controller module 6 detects the pressure fluctuation in the direct supply cavity 201, the driving element 11 drives the sealing assembly 801 at the bottom end to rise through the telescopic member 8, and water in the compensation cavity 202 is mixed with water in the direct supply cavity 201 through the second port 502, so as to maintain the pressure stability of the water inlet manifold 301 of the water pump unit 3. When the pressure in the direct supply cavity 201 is stable, the driving element 11 drives the sealing component 801 at the bottom to descend to close the second port 502, and pressure compensation is stopped.
The driving element 11 is installed on the outer surface of the sealing cover 7 and is electrically connected with the controller module 6, so as to control the telescopic piece 8 to stretch and retract to realize the opening and closing of the second port 502.
Specifically, referring to fig. 2, when the water supply system is in normal operation, the municipal water supply pipeline 1 enters the direct supply cavity 201 and then enters the water inlet main 301 to supply water to the water pump unit 3, and the water pump unit 3 works to convey water to the water outlet main 302 and further to the user water supply pipeline 4, so that normal water supply is realized.
Referring to fig. 4, when the controller module 6 of the water supply system detects that the water pressure of the direct supply cavity 201 fluctuates, the driving element 11 is controlled to work to open the second port 502, water in the compensation cavity 202 flows out and is mixed with water in the direct supply cavity 201 to supply water to the water pump unit 3, so that the water pressure of water supply of a user downstream of the system is kept stable.
Referring to fig. 3, when the water pressure of the water outlet of the water pump unit 3 is higher, a part of high-pressure water flow acts on the sealing assembly 801 of the second port 502 through the compensating branch pipe 303, drives the telescopic member 8 and the limiting member 802 to rise to overcome the elastic force of the elastic member 10, so that the first port 501 is opened, and part of high-pressure water flow enters the compensating cavity 202 to store and realize the pressure relief of the water outlet manifold 302, thereby ensuring the normal water use of the water supply pipeline 4 of the downstream user.
While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the utility model, all such changes being within the scope of the appended claims.
Claims (10)
1. A water supply system for municipal water supply, comprising:
A municipal water supply line (1);
The tank body (2) is provided with a direct supply cavity (201) and a compensation cavity (202), and the water inlet end of the direct supply cavity (201) is connected with the municipal water supply pipeline (1);
The water inlet end of the water pump unit (3) is connected with the water outlet end of the direct supply cavity (201);
The user water supply pipeline (4) is connected with the water outlet end of the water pump unit (3);
A pressure regulator (5), the pressure regulator (5) having a first port (501), a second port (502) and a third port (503); the first port (501) is connected with the water outlet end of the water pump unit (3), the second port (502) is connected with the direct supply cavity (201), the third port (503) is connected with the compensation cavity (202), the first port (501) is selectively opened or closed so that the first port (501) is communicated with the third port (503), and the second port (502) is selectively opened or closed so that the second port (502) is communicated with the third port (503).
2. The water supply system of claim 1, further comprising:
The controller module (6) is used for monitoring the water pressure value of the water outlet end of the water pump unit (3) in real time, and controlling the rotating speed of the water pump unit (3) according to the difference value of the water pressure value and the preset pressure value of the controller module (6) so as to keep the constant pressure of the water outlet end of the water pump unit (3);
The water pump unit (3) is characterized in that a water inlet header pipe (301) and a water outlet header pipe (302) are respectively arranged at the water inlet end and the water outlet end, a compensation branch pipe (303) is arranged on the water outlet header pipe (302), the compensation branch pipe (303) is connected with the first port (501), and the second port (502) is connected with the water inlet header pipe (301).
3. The water supply system of claim 2, wherein the water supply system comprises a water supply system,
A pressure regulating mechanism is arranged on one side of the pressure regulator (5) close to the first port (501) and used for regulating the opening and closing pressure of the first port (501);
an electric actuator is arranged on one side of the pressure regulator (5) close to the second port (502) and used for controlling the opening and closing of the second port (502).
4. A water supply system according to claim 3, characterized in that the pressure regulator (5) is detachably provided with sealing covers (7) at the positions close to the first port (501) and the second port (502), the pressure regulator (5) is divided into an inner side and an outer side by the sealing covers (7), telescopic members (8) are movably inserted into the sealing covers (7), a sealing assembly (801) is arranged at one end of the telescopic members (8) located at the inner side of the pressure regulator (5), and the pressure regulating mechanism and the electric actuating mechanism are respectively arranged on the sealing covers (7).
5. The water supply system according to claim 4, characterized in that the pressure regulating mechanism comprises a telescopic member (8), a regulating member (9) and an elastic member (10);
One end of the telescopic piece (8) located on the outer side of the pressure regulator (5) is provided with a limiting piece (802), the adjusting piece (9) is installed on the outer surface of the sealing cover (7) in a threaded mode, and the elastic piece (10) is installed between the adjusting piece (9) and the limiting piece (802) so as to adjust the resistance of the telescopic piece (8) to the movement of the telescopic piece towards the outer side of the pressure regulator (5).
6. The water supply system according to claim 5, wherein the adjusting member (9) is a cylindrical structure with a closed top, an annular groove (701) surrounding the telescopic member (8) is formed in the outer surface of the sealing cover (7), the annular groove (701) is in threaded connection with the adjusting member (9), the elastic member (10) is a telescopic spring, an upper positioning member (901) is arranged on the top wall inside the adjusting member (9), the telescopic member (8) extends to the position above the limiting member (802), and two ends of the telescopic spring are respectively sleeved on the upper positioning member (901) and the telescopic member (8).
7. The water supply system according to claim 6, wherein the upper positioning member (901) is internally provided with through holes (902) penetrating through the inner side and the outer side of the adjusting member (9) so as to prevent the top end of the telescopic member (8) from interfering with the upper positioning member (901).
8. A water supply according to claim 4, characterized in that the electric actuator comprises a further telescopic member (8) and a driving element (11);
The driving element (11) is mounted on the outer surface of the sealing cover (7) and is electrically connected with the controller module (6), so as to control the telescopic piece (8) to be telescopic to realize the opening and closing of the second port (502).
9. The water supply system according to claim 1, further comprising a backflow preventer (12) and a first valve (13) connected in series on the municipal water supply line (1), wherein a first pressure transmitter (14) is installed at the connection of the direct supply chamber (201) and the municipal water supply line (1), and wherein a negative pressure suppressor (15) in communication with the compensation chamber (202) is installed on the tank (2).
10. The water supply system according to claim 2, further comprising a second pressure transmitter (16) and an electrical contact pressure gauge (17) connected in series to the user outlet manifold (302), the user water supply line (4) having a second valve (18) mounted thereon, the compensating manifold (303) having a third valve (19) mounted thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323566347.6U CN221321117U (en) | 2023-12-25 | 2023-12-25 | Water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323566347.6U CN221321117U (en) | 2023-12-25 | 2023-12-25 | Water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221321117U true CN221321117U (en) | 2024-07-12 |
Family
ID=91795518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323566347.6U Active CN221321117U (en) | 2023-12-25 | 2023-12-25 | Water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221321117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118855048A (en) * | 2024-09-25 | 2024-10-29 | 安徽皖水水务发展有限公司 | Internal and external exchange device of underground integrated pressure regulating pump station for municipal water supply |
-
2023
- 2023-12-25 CN CN202323566347.6U patent/CN221321117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118855048A (en) * | 2024-09-25 | 2024-10-29 | 安徽皖水水务发展有限公司 | Internal and external exchange device of underground integrated pressure regulating pump station for municipal water supply |
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