CN217537170U - Constant pressure water supply unit - Google Patents
Constant pressure water supply unit Download PDFInfo
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- CN217537170U CN217537170U CN202221654731.4U CN202221654731U CN217537170U CN 217537170 U CN217537170 U CN 217537170U CN 202221654731 U CN202221654731 U CN 202221654731U CN 217537170 U CN217537170 U CN 217537170U
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Abstract
The utility model discloses a constant voltage water supply unit, including water pump assembly, surge tank, water pressure sensing subassembly, variable frequency control subassembly, inlet tube, outlet pipe, water pump assembly includes pump body one, pump body two, water pump assembly can carry out frequency conversion or power frequency operation according to the variable frequency control subassembly, realizes multiple water supply mode, reaches stable hydraulic effect, water pressure sensing subassembly is used for water pressure detection to transmit signal gives the variable frequency control subassembly, realizes the effect of real-time supervision transmission water pressure state, the variable frequency control subassembly is used for receiving the signal that water pressure sensing group sent, and according to signal send instruction, the operation mode of control switching water pump assembly realizes the effect of power saving, the one end of pump body one, pump body two is all side by side pipe connection on the inlet tube, the other end of pump body one, pump body two is all side by side pipe connection on the outlet pipe, and the device has solved current unstable problem of water pressure.
Description
Technical Field
The utility model belongs to the technical field of the water supply machine, concretely relates to constant pressure water supply unit.
Background
Along with the acceleration of the urbanization process of China, the expansion of the urban scale, the increase of residential districts and the scale-to-grade ratio of tall buildings, the tap water pipe network which is originally too heavy is more insufficient; many cities are in the phenomenon that the building high-rise frequently appears short of water of rush hour of water, the biggest product advantage of frequency conversion constant voltage water supply equipment is then the water supply constant voltage, can change the water pump rotational speed automatically and keep water pressure invariable in order to satisfy the water demand, realize invariable delivery pressure, variable water supply, reach the purpose of water conservation economize on electricity, be most advanced at present, reasonable energy-conserving water supply system, but the demand that the water consumption is big when present frequency conversion constant voltage water supply system is in order to satisfy resident's water consumption rush hour, adopt the multi-pump body to supply water more, but under the condition that the response of a plurality of pump body electric cabinets of frequency conversion operation was delayed simultaneously and cause the unstable condition of water pressure easily, this phenomenon becomes the problem that the personnel in the field waited to solve urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to current technical defect, provide constant voltage water supply unit to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the constant-pressure water supply unit comprises a water pump component, a pressure stabilizing tank, a water pressure sensing component, a variable-frequency control component, a water inlet pipe and a water outlet pipe,
the water pump assembly comprises a pump body I and a pump body II;
the water pump assembly can perform frequency conversion or power frequency operation according to the frequency conversion control assembly, so that various water supply modes are realized, and the effect of stabilizing water pressure is achieved;
the water pressure sensing assembly is used for detecting water pressure and transmitting a signal to the variable frequency control assembly, so that the effect of monitoring the state of transmitted water pressure in real time is realized;
the variable frequency control assembly is used for receiving signals sent by the water pressure sensing assembly, sending instructions according to the signals and controlling the switching of the operation mode of the water pump assembly, so that the power saving effect is realized;
the one end of pump body one, pump body two all is side by side pipe connection on the inlet tube, the other end of pump body one, pump body two all is side by side pipe connection on the outlet pipe, surge tank pipe connection is on the outlet pipe, the inlet tube is encapsulated situation with the other end of outlet pipe.
The utility model discloses further explain, the water pressure sensing assembly includes manometer, a plurality of pressure control points;
the pressure gauge is arranged on the water outlet pipe, and the pressure control points are arranged on the inner wall of the pressure stabilizing tank at different heights of the same vertical line.
The utility model discloses further explain, the frequency conversion control assembly includes the electric cabinet;
the electric cabinet is fixedly connected to one side of the pump body I and one side of the pump body II, and the pressure gauges of the pump body I and the pump body II and the pressure control points are in signal connection with the electric cabinet.
The utility model discloses further explain, the water pump assembly still includes check valve one, check valve two;
the first check valve is located between the second pump body and the water outlet pipe connection position, and the second check valve is located between the first pump body and the water outlet pipe connection position.
The utility model discloses explain further, pump body one, pump body two all are provided with frequency conversion and two kinds of modes of power frequency.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, adopt pump body one, pump body two, detect one of them pump body as the electric cabinet and be listed as if: when the first pump body continuously operates at a high frequency higher than 46HZ for 60 seconds, the electric cabinet sends an instruction to open a power frequency mode of the second pump body, so that the power frequency mode and the frequency conversion mode operate simultaneously, and the power frequency mode and the frequency conversion mode operate simultaneously, so that the situation that a single pump body cannot reach required water pressure when a user uses water at a peak period is prevented, the water pressure is unstable due to temporary starting of the second pump body, and the effect of ensuring stable water pressure when the user uses a large amount of water is achieved;
and when the water level of the current pressure stabilizing tank is still lower than the lowest pressure control point, the pressure is less than a pressure target value, the pressure control point sends a signal to the electric cabinet, and the electric cabinet sends out a water shortage alarm.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a rear view schematic diagram of the present invention;
FIG. 3 is a schematic cross-sectional view of the surge tank of the present invention;
in the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. a pressure gauge; 4. a surge tank; 5. a pump body I; 6. a pump body II; 7. an electric cabinet; 8. a first check valve; 9. a pressure control point; 10. and a second check valve.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided for the purpose of illustrating the invention and the accompanying drawings. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. 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.
Example one
Referring to fig. 1-3, the present invention provides a technical solution: the constant-pressure water supply unit comprises a water pump assembly, a pressure stabilizing tank 4, a water pressure sensing assembly, a variable-frequency control assembly, a water inlet pipe 1 and a water outlet pipe 2,
the water pump component comprises a pump body I5 and a pump body II 6;
the water pump assembly can perform frequency conversion or power frequency operation according to the frequency conversion control assembly, so that various water supply modes are realized, and the effect of stabilizing water pressure is achieved;
the water pressure sensing assembly is used for detecting water pressure and transmitting signals to the variable frequency control assembly, so that the effect of monitoring the state of transmitted water pressure in real time is realized;
the variable frequency control assembly is used for receiving the signal sent by the water pressure sensing group and sending an instruction according to the signal to control and switch the operation mode of the water pump assembly, so that the power-saving effect is realized;
one end of the first pump body 5 and one end of the second pump body 6 are connected to the water inlet pipe 1 in parallel, the other ends of the first pump body 5 and the second pump body 6 are connected to the water outlet pipe 2 in parallel, the pressure stabilizing tank 4 is connected to the water outlet pipe 2 in a pipeline mode, and the water inlet pipe 1 and the water outlet pipe 2 are in a sealing state.
The water pressure sensing assembly comprises a pressure gauge 3 and a plurality of pressure control points 9;
the pressure gauge 3 is arranged on the water outlet pipe 2, and the pressure control points 9 are arranged on the inner wall of the pressure stabilizing tank 4 at different heights of the same vertical line.
The variable frequency control component comprises an electric cabinet 7;
the electric cabinet 7 is fixedly connected to one side of the pump body I5 and one side of the pump body II 6, and the pressure gauge 3 and the pressure control points 9 of the pump body I5 and the pump body II 6 are in signal connection with the electric cabinet 7.
The water pump assembly further comprises a first check valve 8 and a second check valve 10;
the first check valve 8 is positioned between the connection part of the second pump body 6 and the water outlet pipe 2, and the second check valve 10 is positioned between the connection part of the first pump body 5 and the water outlet pipe 2.
The pump body I5 and the pump body II 6 are both provided with a frequency conversion mode and a power frequency mode.
In this embodiment, when the single pump can accomplish the water supply demand, electric cabinet 7 can set up the concrete operating duration of pump body one 5, pump body two 6 according to the demand, can make pump body one 5, pump body two 6 recycle, reduces the loss that the long-time work of single pump body caused, when the work of single pump body, for example: when the pump body 5 during operation, the pump body 5 is through inlet tube 1 drainage to outlet pipe 2 department, rivers partly flow out outlet pipe 2 according to user's water consumption, another part flows in surge tank 4, a plurality of pressure control point 9 are used for detecting the inside water level height of surge tank 4, when water is full of surge tank 4 inside, be located the pressure control point 9 of the inside summit of surge tank 4, send out signal and give electric cabinet 7, water flow send out the instruction according to manometer 3 detection when electric cabinet 7 receives the signal and give the pump body 5, make the pump body 5 reduce the rotational speed, when electric cabinet 7 detects the pump body 5 and lasts 60 seconds the low frequency and be less than 5HZ operation, the operation of automatic shutdown pump body 5, realize the effect of power saving.
When the user used water this moment, the inside water of surge tank 4 passes through outlet pipe 2 and flows, be used for satisfying the customer and use water at any time, check valve 8, check valve two 10 prevent that the rivers of surge tank 4 from flowing out outlet pipe 2 when, the backward flow goes into pump body one 5, in the pump body two 6, when the inside water of surge tank 4 is less than the pressure control point 9 that is located the second height, pressure control point 9 signals send for electric cabinet 7, electric cabinet 7 send instruction makes one of them pump body open frequency conversion mode and begins work this moment, simultaneously be full of the inside water of surge tank 4 once more, surge tank 4 realizes reducing the start-up frequency of the pump body when providing stable water supply for the user, detect one of them pump body when electric cabinet 7 for example: when pump body one 5 lasts the high frequency and is higher than 46HZ operation 60 seconds, electric cabinet 7 sends the instruction and opens the power frequency mode of pump body two 6, makes power frequency mode and frequency conversion mode move simultaneously, and power frequency mode and frequency conversion mode move simultaneously prevents that the user from when the water peak period, and the water pressure that single pump body can't reach needs is unstable, and the water pressure that the second pump body temporary start caused has played the stable effect of assurance water pressure when the user uses a large amount of water.
When the pump body I5 and the pump body II 6 run simultaneously, when the fixed frequency conversion and the power frequency are matched, the electric cabinet 7 detects that the pump body in the frequency conversion mode continuously runs for 60 seconds at the low frequency lower than 5HZ, the single pump body can meet the water consumption, the electric cabinet 7 sends an instruction to close the pump body in the power frequency mode, and the pump body in the frequency conversion mode continues to run, so that the energy consumption is reduced.
When the first pump body 5 and the second pump body 6 operate simultaneously and no other fault alarm exists, the rotating speeds of the first pump body 5 and the second pump body 6 reach the highest value and operate for more than 60 seconds simultaneously, and when the water level of the current surge tank 4 is still lower than the lowest pressure control point 9 and the pressure is smaller than the pressure target value, the pressure control point 9 sends a signal to the electric cabinet 7, and the electric cabinet 7 sends out a water shortage alarm.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some technical features may be equivalently replaced without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. Constant voltage water supply unit, including water pump assembly, surge tank (4), water pressure sensing component, variable frequency control subassembly, inlet tube (1), outlet pipe (2), its characterized in that:
the water pump assembly comprises a first pump body (5) and a second pump body (6);
the water pump assembly can perform frequency conversion or power frequency operation according to the frequency conversion control assembly, so that various water supply modes are realized, and the effect of stabilizing water pressure is achieved;
the water pressure sensing assembly is used for detecting water pressure and transmitting a signal to the variable frequency control assembly, so that the effect of monitoring the state of transmitted water pressure in real time is realized;
the variable frequency control assembly is used for receiving signals sent by the water pressure sensing assembly, sending instructions according to the signals, and controlling and switching the operation mode of the water pump assembly to achieve the effect of saving electricity;
the one end of the pump body (5), the pump body two (6) is all side by side pipe connection on inlet tube (1), the other end of the pump body (5), the pump body two (6) is all side by side pipe connection on outlet pipe (2), surge tank (4) pipe connection is on outlet pipe (2), inlet tube (1) is encapsulated situation with the other end of outlet pipe (2).
2. The constant pressure water supply unit as set forth in claim 1, wherein: the water pressure sensing assembly comprises a pressure gauge (3) and a plurality of pressure control points (9);
manometer (3) are installed on outlet pipe (2), and a plurality of pressure control point (9) are installed on the inner wall of surge tank (4) on the different height of same perpendicular line.
3. The constant pressure water supply unit as claimed in claim 2, wherein: the variable frequency control assembly comprises an electric cabinet (7);
the electric cabinet (7) is fixedly connected to one side of the first pump body (5) and one side of the second pump body (6), and the first pump body (5), the second pump body (6), the pressure gauge (3) and the pressure control points (9) are in signal connection with the electric cabinet (7).
4. The constant pressure water supply unit as set forth in claim 1, wherein: the water pump assembly further comprises a first check valve (8) and a second check valve (10);
the first check valve (8) is located between the joint of the second pump body (6) and the water outlet pipe (2), and the second check valve (10) is located between the joint of the first pump body (5) and the water outlet pipe (2).
5. The constant pressure water supply unit according to claim 4, wherein: and the pump body I (5) and the pump body II (6) are both provided with a frequency conversion mode and a power frequency mode.
Priority Applications (1)
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CN202221654731.4U CN217537170U (en) | 2022-06-30 | 2022-06-30 | Constant pressure water supply unit |
Applications Claiming Priority (1)
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CN202221654731.4U CN217537170U (en) | 2022-06-30 | 2022-06-30 | Constant pressure water supply unit |
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CN217537170U true CN217537170U (en) | 2022-10-04 |
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CN202221654731.4U Active CN217537170U (en) | 2022-06-30 | 2022-06-30 | Constant pressure water supply unit |
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CN (1) | CN217537170U (en) |
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2022
- 2022-06-30 CN CN202221654731.4U patent/CN217537170U/en active Active
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