CN216238750U - Constant pressure type water supply device - Google Patents
Constant pressure type water supply device Download PDFInfo
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- CN216238750U CN216238750U CN202122571662.2U CN202122571662U CN216238750U CN 216238750 U CN216238750 U CN 216238750U CN 202122571662 U CN202122571662 U CN 202122571662U CN 216238750 U CN216238750 U CN 216238750U
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Abstract
The utility model relates to a constant-pressure water supply device which comprises a rack, a steady-flow storage tank, a pressure regulating unit and a control cabinet, wherein a water inlet pipe is arranged on the steady-flow storage tank, the pressure regulating unit is connected with a water supply pipeline, the pressure regulating unit comprises a main pipeline, lifting pipelines and delivery pumps, the delivery pumps are sequentially arranged on the main pipeline, and the main pipeline is respectively connected with the corresponding lifting pipelines through the delivery pumps; one side of the water supply pipeline is provided with a pressure tank, and a pressure sensor is arranged in the pressure tank; a PLC programmable controller and a frequency converter are arranged in the control cabinet; the pressure sensor is connected to the input end of the PLC, and the output end of the PLC is connected with the delivery pump through the frequency converter. This constant pressure formula water supply installation can intake to the upper reaches end and carry out automatic water storage buffering to guarantee to intake stably, carry out programme-controlled formula multi-pump through PLC cooperation converter simultaneously and adjust, under the circumstances that reduces the consumption and require the pump machine, realized the feedback formula automatically regulated of water supply end pipeline internal pressure.
Description
Technical Field
The utility model relates to the field of water supply equipment, in particular to a constant-pressure water supply device.
Background
With the development of water supply technology, the requirements of users of water supply equipment on water supply stability and energy conservation are increasingly increased. The existing constant-pressure water supply equipment generally adopts variable-frequency control pump type water supply equipment, the equipment is high in cost and power consumption, the requirements on the sensitivity and stability of a pump body servo motor are high, in addition, the water inlet end water inlet amount of the existing water supply equipment is relatively stable, and otherwise, the situation of water cut-off at the water supply end is easy to occur.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcome current pump formula water supply equipment with high costs, the consumption is big, and the defect of cutout appears easily, provide a constant pressure formula water supply installation, it can advance water to the upper reaches end and carry out automatic water storage buffering to guarantee to intake stably, avoided the emergence of the outage condition, carry out programme-controlled formula multi-pump through PLC cooperation converter simultaneously and adjust, under the circumstances that reduces the consumption and require to the pump machine, realized the feedback formula automatically regulated of water supply end pipeline internal pressure.
The constant pressure type water supply device comprises a rack, a steady flow storage tank, a pressure regulating unit and a control cabinet, wherein the steady flow storage tank is arranged on the rack and used for buffering external water supply, the pressure regulating unit is used for regulating output water pressure, the control cabinet is used for controlling the operation of the pressure regulating unit, a water inlet pipe is arranged on the steady flow storage tank, the pressure regulating unit is connected with a water supply pipeline, the steady flow storage tank conveys water to the water supply pipeline through the pressure regulating unit, the control cabinet is electrically connected with the steady flow storage tank and the pressure regulating unit respectively, the pressure regulating unit comprises a main pipeline, a plurality of lifting pipelines and a plurality of delivery pumps, the delivery pumps are sequentially arranged on the main pipeline, the delivery pumps correspond to the lifting pipelines one to one, and the main pipeline is connected with the corresponding lifting pipelines through each delivery pump respectively; one side of the water supply pipeline is provided with a pressure tank, and a pressure sensor is arranged in the pressure tank; a PLC programmable controller and a frequency converter are arranged in the control cabinet; the pressure sensor is connected to the input end of the PLC, and the output end of the PLC is connected with the delivery pump through the frequency converter.
In order to realize the automatic water storage buffering of the water inlet end with unstable water pressure, a solenoid valve on-off valve is arranged at the joint of the steady flow storage tank and the water inlet pipe, and a liquid level sensor is arranged in the steady flow storage tank; the liquid level sensor is connected to the input end of the PLC, and the output end of the PLC is connected with the solenoid valve on-off valve.
For realizing the external monitoring of the water pressure in the water supply end, a digital display pressure gauge is arranged outside the pressure tank and electrically connected with the pressure sensor.
For realizing the external monitoring of the liquid level in the water inlet end buffer tank, a digital water level meter is arranged outside the machine steady flow storage tank and electrically connected with the liquid level sensor.
In order to prevent the buffer water in the buffer tank from returning to the backflow, the water inlet pipe is provided with an anti-return device.
In order to facilitate pump pipe maintenance and component replacement, the pressure regulating unit further comprises an isolation case, and the isolation case is provided with an access door at the corresponding position of the delivery pump and the lifting pipeline.
The constant-pressure water supply device overcomes the defects of high cost, high power consumption and easy occurrence of flow break of the conventional pump type water supply equipment, can automatically store and buffer water inflow at the upstream end to ensure stable water inflow and avoid the occurrence of flow break, and simultaneously performs program-controlled multi-pump regulation by matching a PLC (programmable logic controller) with a frequency converter, thereby realizing feedback type automatic regulation of pressure in a pipeline at the water supply end under the conditions of reducing power consumption and meeting the requirements of a pump machine.
Drawings
The constant pressure water supply device of the present invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic plan view of the present constant pressure type water supply apparatus;
FIG. 2 is a schematic view showing the internal structure of the constant pressure water supply apparatus;
fig. 3 is a logic connection schematic block diagram of the frequency conversion cabinet of the constant-pressure water supply device.
In the figure:
1-a frame, 2-a steady flow storage tank, 3-a pressure regulating unit, 4-a control cabinet, 5-a water inlet pipe and 6-a water supply pipeline;
21-an electromagnetic valve on-off valve, 22-a liquid level sensor and 23-a digital water level meter; 31-a main pipeline, 32-a lifting pipeline, 33-a delivery pump, 34-an isolation case and 35-an access door; 41-PLC programmable controller, 42-frequency converter; 51-a backflow preventer; 61-pressure tank, 62-pressure sensor, 63-digital display manometer.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Embodiment 1: as shown in fig. 1 to 3, the constant pressure type water supply device includes a frame 1, a steady flow storage tank 2 arranged on the frame 1 and used for buffering external water supply, a pressure regulating unit 3 used for regulating output water pressure, and a control cabinet 4 used for controlling operation of the pressure regulating unit 3, wherein a water inlet pipe 5 is arranged on the steady flow storage tank 2, the pressure regulating unit 3 is connected with a water supply pipeline 6, the steady flow storage tank 2 delivers water to the water supply pipeline 6 through the pressure regulating unit 3, the control cabinet 4 is electrically connected with the steady flow storage tank 2 and the pressure regulating unit 3 respectively, the pressure regulating unit 3 includes a main pipe 31, a plurality of lifting pipes 32 and a plurality of delivery pumps 33, the delivery pumps 33 are sequentially arranged on the main pipe 31, the delivery pumps 33 are in one-to-one correspondence with the lifting pipes 32, and the main pipe 31 is connected with the corresponding lifting pipes 32 through the delivery pumps 33 respectively; a pressure tank 61 is arranged on one side of the water supply pipeline 6, and a pressure sensor 62 is arranged in the pressure tank 61; a PLC (programmable logic controller) 41 and a frequency converter 42 are arranged in the control cabinet 4; the pressure sensor 62 is connected to the input end of the PLC programmable controller 41, and the output end of the PLC programmable controller 41 is connected to the delivery pump 33 through the frequency converter 42. The joint of the steady flow storage tank 2 and the water inlet pipe 5 is provided with an electromagnetic valve on-off valve 21, and the steady flow storage tank 2 is internally provided with a liquid level sensor 22; the liquid level sensor 22 is connected to the input end of the PLC programmable controller 41, and the output end of the PLC programmable controller 41 is connected to the solenoid valve on-off valve 21. The automatic water storage buffer is used for realizing the water inlet end with unstable water pressure.
Embodiment 2: this constant pressure formula water supply installation the overhead tank 61 outside is equipped with digital display manometer 63, this digital display manometer with pressure sensor 62 electric connection. Used for realizing external monitoring of the water pressure in the water supply end. And a digital water level meter 23 is arranged outside the machine steady flow storage tank 2, and the digital water level meter 23 is electrically connected with the liquid level sensor 22. The external monitoring of the liquid level in the buffer tank at the water inlet end is realized. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: the water inlet pipe 5 of the constant pressure water supply device is provided with an anti-return device 51. Prevent that the buffering water in the buffer tank from returning to the backward flow. The pressure regulating unit 3 further comprises an isolation case 34, and the isolation case 34 is provided with an access door 35 at a position corresponding to the delivery pump 33 and the lifting pipeline 32. The pump pipe is convenient to overhaul and replace parts. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
This constant pressure formula water supply installation has overcome current pump formula water supply equipment with high costs, the consumption is big, and the defect of cutout appears easily, and it can advance water to the upper reaches end and carry out automatic water storage buffering to guarantee to advance water steadily, avoided the emergence of the outage condition, carry out programme-controlled formula multi-pump through PLC cooperation converter simultaneously and adjust, under the circumstances that reduces the consumption and require the pump machine, realized the feedback formula automatically regulated of water supply end pipeline internal pressure.
The foregoing description illustrates the principal features, rationale, and advantages of the utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A constant pressure type water supply device is characterized in that: comprises a frame (1), a steady flow storage tank (2) arranged on the frame (1) and used for buffering external water supply, a pressure regulating unit (3) used for regulating output water pressure, and a control cabinet (4) used for controlling the operation of the pressure regulating unit (3), wherein the steady flow storage tank (2) is provided with a water inlet pipe (5), the pressure regulating unit (3) is connected with a water supply pipeline (6), the steady flow storage tank (2) transmits water to the water supply pipeline (6) through the pressure regulating unit (3), the control cabinet (4) is respectively electrically connected with the steady flow storage tank (2) and the pressure regulating unit (3), wherein,
the pressure regulating unit (3) comprises a main pipeline (31), a plurality of lifting pipelines (32) and a plurality of conveying pumps (33), wherein the conveying pumps (33) are sequentially arranged on the main pipeline (31), the conveying pumps (33) correspond to the lifting pipelines (32) one by one, and the main pipeline (31) is connected with the corresponding lifting pipelines (32) through the conveying pumps (33) respectively; a pressure tank (61) is arranged on one side of the water supply pipeline (6), and a pressure sensor (62) is arranged in the pressure tank (61); a PLC (programmable logic controller) (41) and a frequency converter (42) are arranged in the control cabinet (4); the pressure sensor (62) is connected to the input end of the PLC (41), and the output end of the PLC (41) is connected with the delivery pump (33) through the frequency converter (42).
2. The constant pressure water supply apparatus according to claim 1, wherein: a solenoid valve on-off valve (21) is arranged at the joint of the steady flow storage tank (2) and the water inlet pipe (5), and a liquid level sensor (22) is arranged in the steady flow storage tank (2); the liquid level sensor (22) is connected to the input end of the PLC (41), and the output end of the PLC (41) is connected with the electromagnetic valve on-off valve (21).
3. The constant pressure water supply apparatus according to claim 1, wherein: the pressure tank (61) is externally provided with a digital display pressure gauge (63), and the digital display pressure gauge is electrically connected with the pressure sensor (62).
4. The constant pressure water supply apparatus according to claim 2, wherein: and a digital water level meter (23) is arranged outside the steady flow storage tank (2), and the digital water level meter (23) is electrically connected with the liquid level sensor (22).
5. The constant pressure water supply apparatus according to claim 3 or 4, wherein: an anti-return device (51) is arranged on the water inlet pipe (5).
6. The constant pressure water supply apparatus according to claim 5, wherein: the pressure regulating unit (3) further comprises an isolation case (34), and an access door (35) is arranged at the corresponding position of the conveying pump (33) and the lifting pipeline (32) on the isolation case (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122571662.2U CN216238750U (en) | 2021-10-25 | 2021-10-25 | Constant pressure type water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122571662.2U CN216238750U (en) | 2021-10-25 | 2021-10-25 | Constant pressure type water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216238750U true CN216238750U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122571662.2U Active CN216238750U (en) | 2021-10-25 | 2021-10-25 | Constant pressure type water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216238750U (en) |
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2021
- 2021-10-25 CN CN202122571662.2U patent/CN216238750U/en active Active
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