阅读说明：本技术 一种二次供水设备水力检测系统以及检测方法 (Hydraulic detection system and detection method for secondary water supply equipment ) 是由 谢芳 于 2021-06-23 设计创作，主要内容包括：本发明公开了一种二次供水设备水力检测系统,包括底板、测压机构、操控柜,所述底板的顶部表面一端横向设有检压罐,所述检压罐的顶部表面中部竖直设有负压抑制器,所述检压罐前侧的底板顶部表面设有多组增压泵,所述加压管一端侧面设有控流管,所述测压机构包括扰流栅板、水压传感器、压差流量计,相邻两组所述扰流栅板之间的检压罐内壁底端竖直设有截流板,所述水压传感器竖直设在检压罐出水口上方的检压罐内腔中部,所述操控柜竖直设在检压罐外侧的底板顶部表面。本发明水压传感器配合压差流量计实时监测水力变化并调控增压泵的运转数量以实现对液位差的动态补偿,满足水力检测需求的同时实现精准调控以确保出水稳定,使用效果好。(The invention discloses a hydraulic detection system of secondary water supply equipment, which comprises a bottom plate, a pressure measuring mechanism and a control cabinet, wherein one end of the top surface of the bottom plate is transversely provided with a pressure detecting tank, the middle part of the top surface of the pressure detecting tank is vertically provided with a negative pressure suppressor, the top surface of the bottom plate at the front side of the pressure detecting tank is provided with a plurality of groups of booster pumps, the side surface of one end of each booster pump is provided with a flow control pipe, the pressure measuring mechanism comprises turbulence grid plates, a water pressure sensor and a differential pressure flowmeter, the bottom end of the inner wall of the pressure detecting tank between two adjacent groups of turbulence grid plates is vertically provided with a shutoff plate, the water pressure sensor is vertically arranged in the middle of the inner cavity of the pressure detecting tank above the water outlet of the pressure detecting tank, and the control cabinet is vertically arranged on the top surface of the bottom plate at the outer side of the pressure detecting tank. The water pressure sensor provided by the invention is matched with the differential pressure flowmeter to monitor hydraulic change in real time and regulate and control the operation quantity of the booster pump so as to realize dynamic compensation of the liquid level difference, meet the hydraulic detection requirement and realize accurate regulation and control so as to ensure stable water outlet, and the use effect is good.)

1. The utility model provides a secondary water supply equipment water conservancy detecting system, includes bottom plate (1), pressure measurement mechanism, controls cabinet (2), its characterized in that: one end of the top surface of the bottom plate (1) is transversely and fixedly provided with a pressure detection tank (3) through a support, the middle part of the top surface of the pressure detection tank (3) is vertically and fixedly provided with a negative pressure suppressor (4) through a connecting seat, the top surface of the pressure detection tank (3) on one side of the negative pressure suppressor (4) is vertically and fixedly provided with a water inlet connecting pipe (5), the top surface of the bottom plate (1) on the front side of the pressure detection tank (3) is vertically and fixedly provided with a plurality of groups of booster pumps (6) through a machine base, the lower side surface of one end, far away from the pressure detection tank (3), of each booster pump (6) is longitudinally and fixedly provided with an L-shaped booster pipe (7), one end side surface of each booster pipe (7) is transversely and fixedly provided with a flow control pipe (8) through a flange plate, each pressure measurement mechanism comprises a turbulence grid plate (9), a water pressure sensor (10) and a pressure difference flowmeter (11), the turbulence grid plate (9) is vertically and fixedly arranged at the upper end of the inner wall of the pressure detection tank (3) outside the water inlet connecting pipe (5), the bottom end of the inner wall of the pressure detection tank (3) between the two adjacent turbulence grid plates (9) is vertically and fixedly provided with a shutoff plate (12), the hydraulic pressure sensor (10) is vertically and fixedly arranged in the middle of the inner cavity of the pressure detection tank (3) above the water outlet of the pressure detection tank (3), the differential pressure flowmeter (11) is longitudinally and fixedly arranged on one end side face of the pressure pipe (7) through a flange seat, the control cabinet (2) is vertically and fixedly arranged on the top surface of the bottom plate (1) outside the pressure detection tank (3), and the control cabinet (2) is in signal connection with electrical equipment in the pressure measurement mechanism through the regulation.

2. The hydraulic detection system of the secondary water supply equipment according to claim 1, characterized in that: the upper end of the front side surface of the control cabinet (2) is fixedly provided with a touch screen (13) by arranging a groove, and the pressure detection tank (3), the control cabinet (2) and the bottom plate (1) are integrated into a whole by adopting a welding process.

3. The hydraulic detection system of the secondary water supply equipment according to claim 1, characterized in that: the top surface of the bottom plate (1) is provided with three groups of booster pumps (6) which are communicated with the water outlet of the pressure detection tank (3) under the centralized control effect of a three-way pipe, and the pressure pipes (7) at the water outlet of the three groups of booster pumps (6) are respectively communicated with a water supply pipe through flow control pipes (8) under the effect of a differential pressure flowmeter (11).

4. The hydraulic detection system of the secondary water supply equipment according to claim 1, characterized in that: the flow control pipe (8) is a double-pass pipe, electromagnetic valves (14) are arranged at pipe openings of the double-pass pipe, and two adjacent flow control pipes (8) between the pressurization pipes (7) are vertically provided with reversing valves (15) on one side face.

5. The hydraulic detection system of the secondary water supply equipment according to claim 4, wherein: the water pressure sensor (10) cooperates with the differential pressure flowmeter (11) to control the grading operation of the booster pump (6), and the reversing valve (15) cooperates with the booster pump (6) to control the flow guide direction of the flow control pipe (8).

6. The hydraulic detection system of the secondary water supply equipment according to claim 1, characterized in that: the inner wall of the pressure detecting tank (3) is provided with two turbulence grid plates (9) and is of a semicircular structure, and the height of the shutoff plate (12) is two thirds of the diameter of the inner cavity of the pressure detecting tank (3).

7. The detection method of the hydraulic detection system of the secondary water supply equipment according to claim 1, characterized in that: the method comprises the following steps:

s1: an external water source is connected into the pressure detection tank (3) through a water inlet connecting pipe (5);

s2: the intercepting plate (12) is matched with the turbulent flow grid plate (9) to effectively maintain the stability of water flow in the pressure detecting tank (3) so as to ensure continuous and reliable water outlet;

s3: the water pressure sensor (10) is matched with the differential pressure flowmeter (11) to monitor hydraulic change in real time and regulate and control the running quantity of the booster pump (6) so as to realize dynamic compensation of the liquid level difference, meanwhile, the reversing valve (15) is used for cooperatively controlling the water outlet direction of the flow control pipe (8) according to the opening quantity of the booster pump (6) so as to meet different flow compensation requirements, and accurate regulation and control are realized while hydraulic detection requirements are met so as to ensure stable water outlet.

Technical Field

The invention relates to the technical field of secondary water supply equipment, in particular to a hydraulic detection system and a hydraulic detection method for secondary water supply equipment.

Background

The secondary water supply is a form that a unit or an individual stores and pressurizes urban public water supply or self-built facility water supply, and supplies water to users or self-use through a pipeline. The secondary water supply is mainly established for compensating the pressure shortage of the municipal water supply pipeline and ensuring the water consumption of high-rise people living in dwellings. Whether the secondary water supply facility is built, designed and constructed according to the regulations or not is directly related to the quality of secondary water supply, water pressure and water supply safety, and is closely related to the normal and stable life of people. Compared with the water supply of raw water, the water quality of secondary water supply is more easily polluted. Secondary water supply deviceThe device consists of three parts, namely an air pressure tank, a water pump and an electric control system, and has the advantages of no need of building a water tower, small investment, small occupied area, flexible organization and quick construction and production. The water-air automatic scheduling, automatic operation, energy saving and tap water automatic grid connection are selected, water can be supplied after power failure, and the water-air automatic scheduling, automatic operation, energy saving and tap water automatic grid connection do not need to be watched after debugging. The water supply device is widely applied to the water supply of the production, the day and the operation of enterprise units, vertical towerless water supply residential areas and villages. Is suitable for water supply of less than 5000 households and water supply of 3000m per day³In the interior, the water supply height can reach more than 100 meters. The existing hydraulic detection operation for secondary water supply equipment is mostly realized by opening and closing a valve, the hydraulic adjustment after detection needs secondary operation to be completed, the water supply process is influenced, the cost is increased, the requirement of synchronous detection and adjustment operation is difficult to meet, and the practicability is poor.

Disclosure of Invention

The invention aims to provide a hydraulic detection system and a detection method for secondary water supply equipment, which aim to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic detection system of secondary water supply equipment comprises a bottom plate, a pressure measuring mechanism and an operation cabinet, wherein one end of the top surface of the bottom plate is transversely and fixedly provided with a pressure detection tank through a support, the middle part of the top surface of the pressure detection tank is vertically and fixedly provided with a negative pressure suppressor through a connecting seat, the top surface of the pressure detection tank on one side of the negative pressure suppressor is vertically and fixedly provided with a water inlet connecting pipe, the top surface of the bottom plate on the front side of the pressure detection tank is vertically and fixedly provided with a plurality of groups of booster pumps through a machine base, the lower side surface of one end of the booster pump, which is far away from the pressure detection tank, is longitudinally and fixedly provided with an L-shaped pressure pipe, the side surface of one end of the pressure pipe is transversely and fixedly provided with a flow control pipe through a flange plate, the pressure measuring mechanism comprises turbulence grid plates, a water pressure sensor and a differential pressure flowmeter, the turbulence grid plates are vertically and fixedly arranged at the upper end of the inner wall of the pressure detection tank outside the water inlet connecting pipe, and the adjacent turbulence grid plates are vertically and fixedly provided with a shutoff plate at the bottom end of the inner wall of the pressure detection tank, the hydraulic pressure sensor is vertically and fixedly arranged in the middle of the inner cavity of the pressure detection tank above the water outlet of the pressure detection tank, the differential pressure flowmeter is longitudinally and fixedly arranged on one end side face of the pressure pipe through a flange seat, the control cabinet is vertically and fixedly arranged on the top surface of the bottom plate outside the pressure detection tank, and the control cabinet is in signal connection with electrical equipment in the pressure measurement mechanism through the tuner.

Preferably, the upper end of the front side surface of the control cabinet is fixedly provided with a touch screen by forming a groove, and the pressure detection tank, the control cabinet and the bottom plate are integrated into a whole by adopting a welding process.

Preferably, the top surface of the bottom plate is provided with three groups of booster pumps which are communicated with the water outlet of the pressure detection tank under the centralized control effect of a three-way pipe, and the pressure pipes at the water outlet positions of the three groups of booster pumps are respectively communicated with the water supply pipe through flow control pipes under the effect of a differential pressure flowmeter.

Preferably, the flow control pipes are two-way pipes, electromagnetic valves are arranged at pipe openings of the two flow control pipes, and reversing valves are vertically arranged on the side faces of one ends of the flow control pipes between every two adjacent pressure pipes.

Preferably, the water pressure sensor cooperates with the differential pressure flowmeter to control the staged operation of the booster pump, and the reversing valve cooperates with the booster pump to control the diversion direction of the flow control pipe.

Preferably, the inner wall of the pressure detection tank is provided with two turbulence grid plates and is of a semicircular structure, and the height of the shutoff plate is two thirds of the diameter of the inner cavity of the pressure detection tank.

A detection method of a hydraulic detection system of secondary water supply equipment comprises the following steps:

s1: connecting an external water source into the pressure detection tank through a water inlet connecting pipe;

s2: the intercepting plate is matched with the turbulent flow grid plate, so that the stability of water flow in the pressure detection tank can be effectively maintained, and the continuous and reliable water outlet is ensured;

s3: the water pressure sensor is matched with the differential pressure flowmeter to monitor hydraulic change in real time and regulate and control the running quantity of the booster pump so as to realize dynamic compensation of the liquid level difference, meanwhile, the reversing valve is used for cooperatively controlling the water outlet direction of the flow control pipe according to the opening quantity of the booster pump so as to meet different flow compensation requirements, and accurate regulation and control are realized while hydraulic detection requirements are met so as to ensure stable water outlet.

Compared with the prior art, the invention has the beneficial effects that:

1. the pressure measuring mechanism comprises turbulent flow grid plates, a water pressure sensor and a differential pressure flowmeter, wherein the bottom end of the inner wall of the pressure detecting tank between two adjacent groups of turbulent flow grid plates is provided with a cut-off plate, the cut-off plate is matched with the turbulent flow grid plates to effectively maintain the stability of water flow in the pressure detecting tank so as to ensure continuous and reliable water outlet, the water pressure sensor is matched with the differential pressure flowmeter to monitor the change of water power in real time and regulate the running quantity of the booster pump so as to realize dynamic compensation of the liquid level difference, the requirement of water power detection is met, accurate regulation and control are realized so as to ensure stable water outlet, and the use effect is good.

2. The side face of one end of the flow control pipe between the two pressurizing pipes is provided with the reversing valve, the water outlet direction of the flow control pipe can be regulated and controlled in a coordinated mode through the electromagnetic valves at the pipe openings according to the opening number of the pressurizing pumps, so that different water outlet flow compensation requirements can be met, and the practicability is high.

Drawings

The accompanying drawings, which 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 and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a side structural sectional view of the pressure-sensing tank of the present invention.

In the figure: 1. a base plate; 2. a control cabinet; 3. a pressure detection tank; 4. a negative pressure suppressor; 5. a water inlet connecting pipe; 6. a booster pump; 7. a pressurizing pipe; 8. a flow control pipe; 9. a turbulent flow grid plate; 10. a water pressure sensor; 11. a differential pressure flow meter; 12. a shutoff plate; 13. a touch screen; 14. an electromagnetic valve; 15. a reversing valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a hydraulic detection system for secondary water supply equipment includes a bottom plate 1, a pressure measuring mechanism, and a control cabinet 2, wherein one end of the top surface of the bottom plate 1 is transversely and fixedly provided with a pressure detecting tank 3 through a bracket, the middle part of the top surface of the pressure detecting tank 3 is vertically and fixedly provided with a negative pressure suppressor 4 through a connecting seat, the top surface of the pressure detecting tank 3 on one side of the negative pressure suppressor 4 is vertically and fixedly provided with a water inlet connection pipe 5, the top surface of the bottom plate 1 on the front side of the pressure detecting tank 3 is vertically and fixedly provided with a plurality of groups of booster pumps 6 through a base, the lower side surface of one end of the booster pump 6 away from the pressure detecting tank 3 is longitudinally and fixedly provided with an L-shaped pressure pipe 7, the side surface of one end of the pressure pipe 7 is transversely and fixedly provided with a flow control pipe 8 through a flange, the pressure measuring mechanism includes a grid plate turbulence flow 9, a water pressure sensor 10 and a differential pressure flow meter 11, the grid plate 9 is vertically and fixedly provided on the upper end of the inner wall of the pressure detecting tank 3 outside the water inlet connection pipe 5, the bottom end of the inner wall of the pressure detection tank 3 between two adjacent turbulence grid plates 9 is vertically and fixedly provided with a cut-off plate 12, a water pressure sensor 10 is vertically and fixedly arranged in the middle of the inner cavity of the pressure detection tank 3 above the water outlet of the pressure detection tank 3, a differential pressure flowmeter 11 is longitudinally and fixedly arranged on the side surface of one end of a pressurizing pipe 7 through a flange seat, a control cabinet 2 is vertically and fixedly arranged on the surface of the top of a bottom plate 1 outside the pressure detection tank 3, and the control cabinet 2 is in signal connection with electrical equipment in a pressure measuring mechanism through a tuner; the upper end of the front side surface of the control cabinet 2 is fixedly provided with a touch screen 13 by forming a groove, and the pressure detection tank 3, the control cabinet 2 and the bottom plate 1 are integrated into a whole by adopting a welding process, so that the structural connection reliability is ensured; three groups of booster pumps 6 are arranged on the surface of the top of the bottom plate 1 and are communicated with the water outlet of the pressure detection tank 3 under the centralized control action of a three-way pipe, and the booster pipes 7 at the water outlet positions of the three groups of booster pumps 6 are respectively communicated with a water supply pipe through flow control pipes 8 under the action of a differential pressure flowmeter 11 so as to meet the water supply requirement; the flow control pipes 8 are two-way pipes, electromagnetic valves 14 are arranged at pipe orifices of the two flow control pipes, and reversing valves 15 are vertically arranged on the side surfaces of one ends of the flow control pipes 8 between two adjacent pressure pipes 7, so that intelligent regulation is realized to ensure the regulation efficiency; the water pressure sensor 10 cooperates with the differential pressure flowmeter 11 to control the staged operation of the booster pump 6, and the reversing valve 15 cooperates with the booster pump 6 to control the flow guide direction of the flow control pipe 8, so as to meet different flow compensation requirements; the inner wall of the pressure detecting tank 3 is provided with two turbulence grid plates 9 and is of a semicircular structure, and the height of the shutoff plate 12 is two thirds of the diameter of the inner cavity of the pressure detecting tank 3, so that the requirement of steady flow is met to ensure continuous and reliable water outlet.

A detection method of a hydraulic detection system of secondary water supply equipment comprises the following steps:

s1: connecting an external water source into the pressure detection tank through a water inlet connecting pipe;

s2: the intercepting plate is matched with the turbulent flow grid plate, so that the stability of water flow in the pressure detection tank can be effectively maintained, and the continuous and reliable water outlet is ensured;

s3: the water pressure sensor is matched with the differential pressure flowmeter to monitor hydraulic change in real time and regulate and control the running quantity of the booster pump so as to realize dynamic compensation of the liquid level difference, meanwhile, the reversing valve is used for cooperatively controlling the water outlet direction of the flow control pipe according to the opening quantity of the booster pump so as to meet different flow compensation requirements, and accurate regulation and control are realized while hydraulic detection requirements are met so as to ensure stable water outlet.

The working principle and the using process of the invention are as follows: when the water pressure sensor is used, an external water source is connected into the pressure detection tank 3 through the water inlet connecting pipe 5 according to requirements, the intercepting plate 12 is matched with the turbulence grid plate 9 to effectively maintain the stability of water flow in the pressure detection tank 3 so as to ensure continuous and reliable water outlet, the water pressure sensor 10 is matched with the differential pressure flowmeter 11 to monitor hydraulic change in real time and regulate and control the running quantity of the booster pump 6 so as to realize dynamic compensation of liquid level difference, meanwhile, the reversing valve 15 is matched with the opening quantity of the booster pump 6 to control the water outlet direction of the flow control pipe 8 in a coordinated mode so as to meet different flow compensation requirements, the hydraulic detection requirements are met, meanwhile, accurate regulation and control are realized so as to ensure stable water outlet, and the use effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.