CN219973353U - Box type constant pressure water supply equipment - Google Patents
Box type constant pressure water supply equipment Download PDFInfo
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- CN219973353U CN219973353U CN202321513081.6U CN202321513081U CN219973353U CN 219973353 U CN219973353 U CN 219973353U CN 202321513081 U CN202321513081 U CN 202321513081U CN 219973353 U CN219973353 U CN 219973353U
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- water supply
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- water
- frequency converter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 101100230233 Arabidopsis thaliana GT20 gene Proteins 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model discloses box type constant pressure water supply equipment, which comprises a box body, wherein a pipeline, a water pump, a pressure tank, a pressure transmitter and a frequency converter are skillfully integrated into the box body to form the box type constant pressure water supply equipment. The structure is compact, the occupied area is small, the construction and the installation are more convenient, and the use cost is greatly saved; meanwhile, the frequency converter is arranged on the partition board at the top of the box bottom, so that water and electricity separation is realized, stable operation of the frequency converter in a dry environment is ensured, interference of external factors on the frequency converter is avoided, stability of water pressure of the equipment during water supply is ensured, and convenience in maintenance is realized.
Description
Technical Field
The utility model relates to the technical field of water supply, in particular to box type constant-pressure water supply equipment.
Background
When the water pressure of the water source is insufficient and is small (the water pressure is not constant), and the water requirement of the rear end cannot be met, a constant pressure device is generally needed to pressurize the water source and supply water to the rear end at a constant pressure. The constant pressure water supply equipment is a water supply mode that the pressure of a water outlet is kept unchanged when the water consumption is changed in the water supply process. The outlet pressure value of the water supply pipe network is set according to the requirements of users. The traditional constant pressure water supply mode generally adopts secondary water supply, namely a pump is used for pumping water into a water tank, and the water is sent to a water using position according to the user requirement through the pump.
The construction and installation of the existing constant-pressure water supply equipment generally requires additional construction of a pump house for placing the constant-pressure water supply equipment, so that the construction is complicated, the occupied area is large, and the cost is high. Therefore, the design of the constant-pressure water supply equipment with convenient installation and low cost is a problem to be solved at present.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and adopts the following technical scheme.
The box type constant pressure water supply equipment comprises a box body, a first pipeline and a second pipeline, wherein the first pipeline and the second pipeline penetrate through the box body, at least two water pumps are connected in parallel between the first pipeline and the second pipeline, the water pumps are fixedly arranged at the bottom of the box body, a pressure tank and at least two pressure transmitters are arranged on the second pipeline, and the pressure tank and the pressure transmitters are arranged in the box body; the pressure transmitter is electrically connected with the frequency converter, the frequency converter is electrically connected with the water pump, and the frequency converter is fixedly arranged on the partition board at the top of the box body.
Preferably, the rear end of the water pump is connected in series with a flowmeter, the flowmeter is arranged at the rear end of the pressure tank, and the flowmeter is arranged in the box body.
Preferably, the second pipeline is further provided with a pressure gauge, and the pressure gauge is arranged in the box body.
Preferably, the front end and the rear end of the water pump are respectively provided with a first butterfly valve and a second butterfly valve.
Preferably, a check valve is also included, the check valve being disposed within the second butterfly valve.
Preferably, the device further comprises a controller, wherein the controller is electrically connected with the flowmeter, and the controller is electrically connected with the frequency converter.
Preferably, the controller is arranged on a partition board at the top of the box body.
Compared with the prior art, the utility model has the beneficial effects that:
the pipeline, the water pump, the pressure tank and the pressure transmitter are skillfully integrated and placed in the box body to form box type constant-pressure water supply equipment, so that the structure is compact, the occupied area is small, the construction and installation are more convenient, and compared with the traditional pump room construction, the use cost of constant-pressure water supply is greatly saved; meanwhile, the frequency converter is arranged on the partition board at the top of the box bottom, so that water and electricity separation is realized, stable operation of the frequency converter in a dry environment is ensured, interference of external factors on the frequency converter is avoided, stability of water pressure of the equipment during water supply is ensured, and convenience in maintenance is realized.
Drawings
FIG. 1 is a schematic view of the front internal structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the reverse side of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
wherein: 1 is a box body; 2 is a first pipeline; 3 is a second pipeline; 4 is a water pump; 5 is a pressure tank; 6 is a pressure transmitter; 7 is a frequency converter; 8 is a flowmeter; 9 is a pressure gauge; 10 is a first butterfly valve; 11 is a second butterfly valve; 12 is a check valve; 13 is a controller.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, references to orientation or positional relationship such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. are based on the orientation and positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of the utility model.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between them without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.
In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
Example 1
Referring to fig. 1-3, a box type constant pressure water supply device comprises a box body 1, a first pipeline 2 (being a water inlet pipe) and a second pipeline 3 (being a water outlet pipe), wherein the first pipeline 2 and the second pipeline 3 penetrate through the box body 1, two water pumps 4 (one of which is a standby pump) are connected in parallel between the first pipeline 2 and the second pipeline 3, the water pumps 4 are fixedly arranged at the bottom of the box body 1 through bolts, a pressure tank 5 and two pressure transmitters 6 are arranged on the second pipeline 2, and the pressure tank 5 and the pressure transmitters 6 are arranged in the box body 1; the pressure tank 5 is arranged on the second pipeline 2, so that the water hammer phenomenon generated when the water pump 4 is started or closed can be prevented, and the occurrence of pipe explosion is avoided; meanwhile, when the water consumption at the rear end is increased, the water pressure in the pipeline is rapidly reduced, and the pressure tank 5 immediately supplements water into the pipeline so as to keep the water pressure at the rear end stable; the pressure transmitter 6 is electrically connected with the frequency converter 7, the frequency converter 6 is electrically connected with the water pump 4, and the frequency converter 6 is fixedly arranged on a partition plate at the top of the box body 1. The frequency converter 7 is used for adjusting the rotation speed of the water pump 4 by changing the power frequency of the water pump 4 so as to adjust the outlet pressure of the water pump 4, and when the pressure detected by the pressure transmitter 6 is smaller than the pressure set by the frequency converter 7, the frequency of the frequency converter 7 is immediately increased, so that the rotation speed of the water pump 4 is controlled to be increased, and the water pressure at the rear end is increased. The novel water supply device is characterized in that the first pipeline 2, the second pipeline 3, the water pump 4, the pressure tank 5, the pressure transmitter 6 and the frequency converter 6 are skillfully integrated and placed in the box body 1 to form box type constant pressure water supply equipment, the structure is compact, the occupied area is small, the construction and installation are more convenient, the novel water supply device is compared with the traditional pump room construction to place equipment, the use cost is greatly saved, the frequency converter 6 is arranged on a partition board at the top of the box body 1, the water-electricity separation is realized, the stable operation of the frequency converter 6 under the dry environment is ensured, the frequency converter 6 is prevented from being interfered by external factors, the stability of the water pressure of the equipment during water supply is ensured, and the overhaul is convenient.
Referring to fig. 1-3, for counting water consumption, a flowmeter 8 is connected in series with the rear end of the water pump 4, the flowmeter 8 is disposed at the rear end of the pressure tank 5, and the flowmeter 8 is disposed in the tank 1.
Referring to fig. 1-3, in order to check the outlet pressure of the constant pressure water supply device conveniently, a pressure gauge 9 is further disposed on the second pipeline 3, and the pressure gauge 9 is disposed in the box 1.
Referring to fig. 1-3, for convenient maintenance, the front end and the rear end of the water pump 4 are respectively provided with a first butterfly valve 10 and a second butterfly valve 11, when the water pump 4 needs to be maintained, the water source in the pipeline can be prevented from entering the water pump 4 by closing the first butterfly valve 9 and the second butterfly valve 11, and the water flow in the pipeline is prevented from influencing the maintenance work of the water pump 4.
Referring to fig. 1-3, in order to prevent the water source from flowing backwards, a check valve 12 is further included, and the check valve 12 is disposed in the second butterfly valve 11, so that the water source is prevented from flowing backwards from the water outlet.
Referring to fig. 1-3, for automatic control, the device further comprises a controller 13, wherein the controller 13 is electrically connected with the flowmeter 8, and the controller 13 is electrically connected with the frequency converter 6.
Referring to fig. 1-3, the controller 13 is disposed on a partition board at the top of the box 1, so as to provide a dry environment for the operation of the controller 13, so that the controller 13 is not interfered by external factors, and the stable operation of the controller 13 is ensured.
As an embodiment of the present utility model in practical application, the model of each component is as follows: the water pump adopts CDM5-9 model (south pump industry), the converter adopts GT20 model (easy drive), the pressure tank adopts 12L model (Mingquan), the pressure change adopts 1MP model (innovator), the manometer adopts 0.6MP model (red flag), and the flowmeter adopts T30PN10 model (Cheng Da).
The control principle of the constant voltage device is as follows:
setting the pressure threshold of the frequency converter to be 0.4MPa, when the water consumption at the rear end is increased, rapidly reducing the water pressure in the pipeline, collecting the water pressure in the second pipeline in real time by the pressure transmitter, sending the water pressure data to the frequency converter, and when the pressure value collected by the pressure transmitter is smaller than 0.4MPa, increasing the frequency by the frequency converter, and increasing the rotating speed of the water pump, thereby increasing the water pressure in the second pipeline until the stable water outlet pressure is obtained; meanwhile, the pressure tank immediately supplements water in the pipeline, so that the water pressure at the rear end is kept stable.
Only one of the water pumps (the other water pump is a pump water pump) is started at a time when the equipment is started. When one water pump is started to meet the rear-end water supply pressure, the other pump is not started; when the rotation speed of the first started water pump reaches the full frequency and the water pressure of the water supply at the rear end still cannot reach the set pressure value, the other pump is started.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. The box type constant pressure water supply equipment is characterized by comprising a box body, a first pipeline and a second pipeline, wherein the first pipeline and the second pipeline penetrate through the box body, at least two water pumps are connected in parallel between the first pipeline and the second pipeline, the water pumps are fixedly arranged at the bottom of the box body, a pressure tank and at least two pressure transmitters are arranged on the second pipeline, and the pressure tank and the pressure transmitters are arranged in the box body; the pressure transmitter is electrically connected with the frequency converter, the frequency converter is electrically connected with the water pump, and the frequency converter is fixedly arranged on the partition board at the top of the box body.
2. The tank type constant pressure water supply device according to claim 1, wherein a flowmeter is connected in series to the rear end of the water pump, the flowmeter is arranged at the rear end of the pressure tank, and the flowmeter is arranged in the tank.
3. The tank type constant pressure water supply device according to claim 1, wherein a pressure gauge is further arranged on the second pipeline, and the pressure gauge is arranged in the tank.
4. The tank type constant pressure water supply equipment according to claim 1, wherein a first butterfly valve and a second butterfly valve are respectively arranged at the front end and the rear end of the water pump.
5. The tank type constant pressure water supply apparatus according to claim 4, further comprising a check valve provided in the second butterfly valve.
6. The cabinet type constant pressure water supply apparatus according to claim 2, further comprising a controller electrically connected to the flow meter, the controller being electrically connected to the frequency converter.
7. The cabinet type constant pressure water supply apparatus according to claim 6, wherein the controller is provided on a partition plate at the top of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321513081.6U CN219973353U (en) | 2023-06-14 | 2023-06-14 | Box type constant pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321513081.6U CN219973353U (en) | 2023-06-14 | 2023-06-14 | Box type constant pressure water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219973353U true CN219973353U (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321513081.6U Active CN219973353U (en) | 2023-06-14 | 2023-06-14 | Box type constant pressure water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219973353U (en) |
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2023
- 2023-06-14 CN CN202321513081.6U patent/CN219973353U/en active Active
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