Flow pressure detection device for water conveying pipeline system

Abstract

The utility model relates to the technical field of flow pressure detection, and discloses a flow pressure detection device for a water delivery pipeline system, which is arranged between two adjacent water delivery pipelines and comprises a detection pipeline, and a pressure detection mechanism and a prompt mechanism which are arranged in an inner cavity of the detection pipeline. According to the device, through the arrangement of the pressure detection mechanism, the water flow pressure can be detected through a pressure sensor and a pressure gauge when the water flow pressure in the water conveying pipeline is detected. Through the arrangement of the prompting mechanism, when underpressure flowing and overpressure flowing of water flow in the water conveying pipeline occur, automatic early warning can be conducted, a worker is prompted to adjust the pipeline, the internal water pressure of the water conveying pipeline is adjusted through a remote control system, and safe use of the water conveying pipeline is effectively guaranteed. The problems that a traditional mechanical pressure gauge is long in detection time and low in detection efficiency and cannot play a role in early warning of underflow and overpressure in a pipeline are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flow pressure detection technical field, concretely relates to a flow pressure detection device for water delivery pipeline system. BACKGROUND

[0002] Water delivery pipe as the "arterial network" of city water circulation system, bears the core function of water source deployment, water quality transmission and regional water supply, its application scene covers three big aspects such as water source end delivery, water distribution and emergency guarantee. Flow detection device is "intelligent sensing terminal" of the system, and its technical value is reflected in environmental supervision, scientific research analysis and operation and maintenance optimization of water delivery pipe network and other aspects.

[0003] When the flow pressure of water delivery pipeline system is detected by using flow detection device, the current water delivery pipe flow detection still widely depends on mechanical pressure gauge, which detects the flow rate in the pipeline, and indirectly calculates the flow by Bernoulli equation principle (flow rate is proportional to square root of pressure difference). However, when the water flow pressure in the water delivery pipeline is detected by using this kind of way, the following defects exist: pressure conduction needs to experience fluid kinetic energy-potential energy conversion process, and the pointer of detection instrument needs 5-10 minutes to keep stable, and the operator needs to record the stable value of pressure for many times and average, so that the single measurement time is as long as 15-30 minutes, the detection time is too long, and the detection efficiency is seriously affected. At the same time, the traditional mechanical pressure gauge only has the function of detecting the pressure in the pipeline in real time, and cannot play the role of warning of underflow and overpressure in the pipeline, so the use safety of the pipeline cannot be effectively guaranteed.

[0004] Based on this, the utility model provides a flow pressure detection device for water delivery pipeline system to solve the problems existing in the prior art. CONTENT OF UTILITY MODEL

[0005] Therefore, the main purpose of the utility model is to provide a flow pressure detection device for water delivery pipeline system to solve the problems of long detection time, low detection efficiency and unable to play the role of underflow and overpressure warning in the pipeline of traditional mechanical pressure gauge.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] The utility model provides a flow pressure detection device for water pipeline system, is arranged between two adjacent water pipelines, including detection pipeline and pressure detection mechanism and prompting mechanism installed in the inner chamber of detection pipeline, the detection pipeline is connected with two water pipelines through connecting piece, the pressure detection mechanism includes pressure sensor and pressure gauge, the pressure sensor is fixedly installed in the inner chamber of detection pipeline, the pressure gauge is arranged on the outside of detection pipeline and is connected with pressure sensor electricity, the prompting mechanism is arranged in the detection pipeline and is matched with pressure gauge.

[0008] In a preferred embodiment, the prompting mechanism includes a turbine and a knocking plate, both of which are arranged in the detection pipeline, and the turbine rotates around its outer shell, a rotating rod is further arranged at the output end of the turbine, an installation plate is arranged on the rotating rod, a rectangular slot and a placing slot are formed in the installation plate, a rotating assembly is arranged in the inner chamber of the rectangular slot, and a driving assembly is arranged in the inner chamber of the placing slot.

[0009] In a preferred embodiment, the driving assembly includes a controller connected with the pressure gauge and an electric motor, the electric motor is arranged on the installation plate, a threaded rod is arranged at the output end of the electric motor, a threaded sleeve is threadedly connected to the threaded rod, a positioning plate is arranged on one side of the threaded sleeve, and a connecting rod is arranged on the positioning plate.

[0010] In a preferred embodiment, the electric motor is arranged on the installation plate through an electric motor protection shell, and the connecting rod is arranged on the side of the positioning plate away from the electric motor protection shell.

[0011] In a preferred embodiment, an L-shaped mounting block is arranged in the inner chamber of the placing slot, an engaging rod is arranged on the L-shaped mounting block, the engaging rod is in sliding connection with a cam, and the cam is rotationally arranged on the outer side wall of the installation plate.

[0012] In a preferred embodiment, the engaging rod is arranged at the end of the L-shaped mounting block away from the connecting rod.

[0013] In a preferred embodiment, a second sliding rail is arranged on the cam, and the second sliding rail is in sliding connection with the L-shaped mounting block.

[0014] In a preferred embodiment, a first sliding rail is further arranged in the inner chamber of the placing slot, and the first sliding rail is in sliding connection with the threaded sleeve and the L-shaped mounting block, respectively.

[0015] In a preferred embodiment, the rotating assembly includes a rotating rod and a knocking rod, the rotating rod is rotationally arranged in the rectangular slot, and the rotating rod is fixedly connected with the cam and the knocking rod.

[0016] In a preferred embodiment, the knocking rod is rotatably arranged in a rectangular slot and matched with the knocking plate.

[0017] Compared with the prior art, the utility model provides a flow pressure detection device for water delivery pipeline system, has the following beneficial effects:

[0018] 1. Through the setting of pressure detection mechanism, when detecting the water flow pressure in the water delivery pipeline, the water flow pressure P is detected through the cooperation of pressure sensor and pressure gauge, the accurate detection of the water pressure in the water delivery pipeline by the pressure gauge is realized, the detection efficiency is effectively improved, and the problems of long detection time and low detection efficiency of the traditional mechanical pressure gauge are solved.

[0019] 2. Through the setting of prompting mechanism, when the water flow in the water delivery pipeline is under pressure and over pressure, automatic early warning is carried out, the staff is prompted to adjust the internal water pressure of the water delivery pipeline through the remote control system, the safe use of the water delivery pipeline is effectively ensured, and the problem that the traditional mechanical pressure gauge cannot play the role of under flow and over pressure early warning in the pipeline is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.

[0021] Figure 1 It is the installation effect drawing of the flow pressure detection device of the utility model;

[0022] Figure 2 It is the cross-sectional structure schematic view of the water delivery pipe body of the utility model;

[0023] Figure 3 It is the side view structure schematic view of the water delivery pipe body of the utility model;

[0024] Figure 4 It is the installation effect drawing of the prompting mechanism of the utility model;

[0025] Figure 5 It is the structure schematic view of the prompting mechanism of the utility model;

[0026] Figure 6 It is the enlarged structure schematic view of the mounting plate of the utility model;

[0027] Figure 7 It is the principle view of the flow pressure detection device of the utility model.

[0028] [Main component symbol explanation]

[0029] 1, water pipe body; 2, connecting piece; 3, pressure gauge; 4, knocking plate; 5, turbine; 6, rotating rod; 7, mounting plate; 8, rectangular groove; 9, placing groove; 10, first sliding rail; 11, electric motor protection shell; 12, threaded rod; 13, threaded sleeve; 14, positioning plate; 15, connecting rod; 16, L-shaped mounting block; 17, connecting rod; 18, second sliding rail; 19, cam; 20, rotating rod; 21, pressure sensor; 22, knocking rod; 23, detection pipeline. DETAILED DESCRIPTION

[0030] The structure of the flow pressure detection device of the water pipeline system will be further described in detail below in combination with the drawings and the embodiments of the utility model.

[0031] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0032] It should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments of the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0033] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units listed, but can include other steps or units not listed or inherent to these processes, methods, products or devices.

[0034] For the purposes of the description, reference can be made to spatially relative terms such as "on", "above", "over", "top", "side", "bottom", "under", "below", "up", "down", "between", "in", "within", "out", "right", "left", "vertical", "horizontal", and the like, to describe the spatial relationship between various elements. These spatially relative terms are intended to encompass different positions and orientations of the devices in use or operation in addition to the positions and orientations described in the various figures. For example, if a device in the figures is turned over, elements described as "above" or "over" other elements or structures would then be oriented "below" or "under" the other elements or structures. Thus, the exemplary term "above" can encompass both an orientation of above and below. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", "third", etc. do not necessarily signify order or importance, but are used to distinguish one element from another, and the terms "a", "an" and "the" are used interchangeably with "one or more" or "one or more than one", depending on the context.

[0035] As shown in the accompanying drawings for Figures 1-7 The utility model provides a technical scheme:

[0036] A flow pressure detection device for water delivery pipeline system is installed between two adjacent water delivery pipelines 1, comprising a detection pipeline 23, a pressure detection mechanism and a prompt mechanism installed in the inner cavity of the detection pipeline 23, the detection pipeline 23 is connected with the two water delivery pipelines 1 through a connecting piece 2; the pressure detection mechanism comprises a pressure sensor 21 and a pressure gauge 3, the pressure sensor 21 is fixedly installed in the inner cavity of the detection pipeline 23 and is used for detecting the water pressure in the water delivery pipeline 1, the pressure gauge 3 is arranged on the outer side of the detection pipeline 23 and is electrically connected with the pressure sensor 21; the prompt mechanism is installed in the detection pipeline 23 and is controlled to act by the input of the pressure gauge 3, when the water flow in the water delivery pipeline 1 is under pressure flow and overpressure flow, automatic early warning is carried out to prompt the staff to adjust the internal water pressure of the water delivery pipeline 1 through a remote control system.

[0037] In the above description, in order to ensure the detection quality, the detection pipeline 23 is a pipeline structure with the same specification and model as the water delivery pipeline 1, and the detection pipeline 23 can be hung between the two water delivery pipelines 1 or installed on the bypass between the two water delivery pipelines 1, as long as the pressure sensor 21 can detect the water pressure in the pipeline in real time. In use, the pressure sensor 21 can contact the water in the water delivery pipeline 1, real-time sense the pressure change in the pipeline, and convert the pressure signal into an electric signal and send it to the pressure gauge 3, the water flow pressure P is displayed through the pressure gauge 3, the accurate detection of the water pressure in the water delivery pipeline 1 by the pressure gauge 3 can effectively improve the detection efficiency.

[0038] It should be noted that the pressure sensor 21 is a piezoresistive sensor. When the pressure sensor 21 is subjected to water flow pressure, the sensitive element thereof deforms to cause resistance / voltage change or light wavelength shift, to generate an electric signal, and the water flow pressure is displayed through the pressure gauge 3. The inner cavity of the pressure gauge 3 is sequentially provided with a scale disc, tempered glass and a face cover from inside to outside. The pressure sensor 21 and the pressure gauge 3 are both prior art in the field, and their specific models can be selected and powered according to the site requirements, which will not be described again.

[0039] In a preferred embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the prompting mechanism comprises a turbine 5 and a knocking plate 4, both of which are fixedly installed in the detection pipeline 23, and the turbine 5 can rotate around its outer shell. A rotating rod 6 is arranged at the output end of the turbine 5, and a mounting plate 7 is fixedly installed on the rotating rod 6. A rectangular groove 8 and a placing groove 9 are formed in the mounting plate 7, and a rotating assembly is arranged in the inner cavity of the rectangular groove 8, and a driving assembly is arranged in the inner cavity of the placing groove 9, for driving the rotating assembly to rotate through the driving assembly during use. The rotating assembly is used for the knocking plate 4, and the knocking plate 4 emits a sound to prompt the water flow in the water pipeline 1 to flow under pressure or over pressure.

[0040] In the above description, when the water flow in the water pipeline body 1 is detected by the device, when the detected water flow pressure P is less than the set minimum water flow pressure P min or the detected water flow pressure P is greater than the set maximum water flow pressure P max , at this time the driving assembly can control the rotating assembly to rotate, so that the turbine 5 drives the rotating assembly to rotate circumferentially, so as to knock the knocking plate 22, so as to produce sound, so as to remind the staff, prompting the staff to adjust the internal water pressure of the water pipeline 1 through the remote control system to realize the safe use of the water pipeline 1.

[0041] Wherein, the minimum water flow pressure P min and the maximum water flow pressure P max of the water pipeline 1 are set according to the pipe diameter, pipe wall thickness and material parameters of the water pipeline body 1, and the corresponding specifications are provided when the product is shipped, which can be directly set.

[0042] In a preferred embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the driving assembly comprises a controller connected with the pressure gauge 3 and the electric motor respectively, for receiving the pressure display of the pressure gauge 3 in real time, and controlling the action of the electric motor, the electric motor is installed on the mounting plate 7 through the electric motor protection shell 11, and a threaded rod 12 is arranged at the output end of the electric motor, a threaded sleeve 13 is threadedly connected on the threaded rod 12, a positioning plate 14 is fixedly connected on one side of the threaded sleeve 13, and a connecting rod 15 is fixedly connected on the side wall of the electric motor protection shell 11 away from the electric motor. In the present arrangement, the installation position and constituent parts of the driving assembly are determined.

[0043] In the above description, when the water flow pressure P detected by the pressure gauge 3 is less than the set minimum water flow pressure P min or the detected water flow pressure P is greater than the set maximum water flow pressure P max , the controller controls the rotation of the threaded rod 12, and the threaded rod 12 drives the connecting rod 15 to move synchronously during the rotation.

[0044] It should be noted that in the above description, the controller and the electric motor are both prior art in the field, and their specific models can be selected according to the site requirements and power supply, which will not be described again.

[0045] Specifically, as shown in the drawings, Figure 5 the inner cavity of the placing groove 9 is provided with an L-shaped mounting block 16, one end of the L-shaped mounting block 16 away from the connecting rod 15 is fixedly connected with a connecting rod 17, one end of the connecting rod 17 away from the L-shaped mounting block 16 is slidably connected with a second sliding rail 18 arranged on a cam 19, and the cam 19 is rotatably installed on the outer side wall of the mounting plate 7.

[0046] In the above description, the L-shaped mounting block 16 can drive the cam 19 to rotate on the outer side wall of the mounting plate 7.

[0047] In a preferred embodiment, as shown in the drawings, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 the rotating assembly comprises a rotating rod 20 and a knocking rod 22, the rotating rod 20 is rotatably installed in the rectangular groove 8, and is fixedly connected with the cam 19 and the knocking rod 22, so as to realize the coaxial rotation of the cam 19 and the knocking rod 22, thus when the cam 19 rotates, the knocking rod 22 can be driven to rotate synchronously, and the knocking plate 4 is knocked, the knocking plate 4 emits a sound, prompting the water flow in the water supply pipeline 1 to flow under pressure or over pressure.

[0048] In a preferred embodiment, as shown in the drawings, Figure 5 , Figure 1 , Figure 2 , Figure 3 andFigure 4 Figure 5 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 As shown, the inner cavity of the placing groove 9 is also provided with a first sliding rail 10, a threaded sleeve 13 and an L-shaped mounting block 16 are respectively slidably arranged on the first sliding rail 10, and the threaded sleeve 13 and the L-shaped mounting block 16 can be horizontally moved through the first sliding rail 10

[0049] The implementation principle of the flow pressure detection device for the water conveying pipeline system is as follows:

[0050] Firstly, when the staff detects the flow pressure of the water conveying pipeline body 1, the built-in pressure sensor 21 can be in contact with the water in the water conveying pipeline 1, so that the pressure change in the pipeline can be sensed in real time, and the pressure can be displayed in real time through the pressure gauge 3.

[0051] When the flow pressure P detected by the pressure gauge 3 is less than the set minimum flow pressure P min or the flow pressure P detected is greater than the set maximum flow pressure P max , the controller controls the threaded rod 12 to rotate, and when the threaded rod 12 rotates, the threaded sleeve 13 can be horizontally moved under the assistance of the first sliding rail 10, when the threaded sleeve 13 horizontally moves, it can drive the connecting rod 15 to horizontally move through the positioning plate 14, when the connecting rod 15 horizontally moves, it can drive the L-shaped mounting block 16 to horizontally move under the assistance of the first sliding rail 10, when the L-shaped mounting block 16 horizontally moves, it can drive the cam 19 to horizontally move under the assistance of the second sliding rail 18 through the connecting rod 17, so that the rotating rod 20 can be rotated, and thus the knocking rod 22 can be opened, so that the turbine 5 can drive the rotating rod 20 to rotate in a circle, so that the knocking rod 22 can knock on the knocking plate 4 to emit a sound, so as to remind the staff to adjust the internal water pressure of the water conveying pipeline 1 through the remote control system to realize the safe use of the water conveying pipeline 1.

[0052] The above only describes the preferred embodiments of the present application, and is not used to limit the protection scope of the present application.

Claims

1. A flow and pressure detection device for a water transmission pipeline system, disposed between two adjacent water transmission pipelines (1), characterized in that, The device includes a detection pipe (23), a pressure detection mechanism and a prompting mechanism installed in the inner cavity of the detection pipe (23); the detection pipe (23) is connected to two water supply pipes (1) through a connector (2); the pressure detection mechanism includes a pressure sensor (21) and a pressure gauge (3), the pressure sensor (21) is fixedly installed in the inner cavity of the detection pipe (23), the pressure gauge (3) is located on the outside of the detection pipe (23) and is electrically connected to the pressure sensor (21); the prompting mechanism is located inside the detection pipe (23) and is adapted to the pressure gauge (3).

2. The flow and pressure detection device for a water pipeline system as described in claim 1, characterized in that, The prompting mechanism includes a turbine (5) and a striking plate (4). Both the turbine (5) and the striking plate (4) are located inside the detection pipe (23). The turbine (5) rotates around its outer shell. A rotating rod (6) is also provided at the output end of the turbine (5). A mounting plate (7) is provided on the rotating rod (6). A rectangular groove (8) and a placement groove (9) are provided on the mounting plate (7). A rotating component is provided in the inner cavity of the rectangular groove (8), and a driving component is provided in the inner cavity of the placement groove (9).

3. The flow and pressure detection device for a water pipeline system as described in claim 2, characterized in that, The drive assembly includes a controller, which is connected to a pressure gauge (3) and an electric motor. The electric motor is mounted on a mounting plate (7) and has a threaded rod (12) at its output end. A threaded sleeve (13) is threaded onto the threaded rod (12). A positioning plate (14) is provided on one side of the threaded sleeve (13), and a connecting rod (15) is provided on the positioning plate (14).

4. The flow and pressure detection device for a water pipeline system as described in claim 3, characterized in that, The electric motor is mounted on the mounting plate (7) through the electric motor protective shell (11), and the connecting rod (15) is located on the side of the positioning plate (14) away from the electric motor protective shell (11).

5. The flow and pressure detection device for a water pipeline system as described in claim 3, characterized in that, An L-shaped mounting block (16) is provided in the inner cavity of the placement groove (9). A connecting rod (17) is provided on the L-shaped mounting block (16). The connecting rod (17) is slidably connected to the cam (19). The cam (19) is rotatably mounted on the outer wall of the mounting plate (7).

6. The flow and pressure detection device for a water pipeline system as described in claim 5, characterized in that, The connecting rod (17) is located at the end of the L-shaped mounting block (16) away from the connecting rod (15).

7. The flow and pressure detection device for a water pipeline system as described in claim 5, characterized in that, The cam (19) is provided with a second slide rail (18), which is slidably connected to the L-shaped mounting block (16).

8. The flow and pressure detection device for a water pipeline system as described in claim 5, characterized in that, The inner cavity of the placement groove (9) is also provided with a first slide rail (10), which is slidably connected to the threaded sleeve (13) and the L-shaped mounting block (16).

9. A flow and pressure detection device for a water pipeline system as described in claim 5, characterized in that, The rotating assembly includes a rotating rod (20) and a striking rod (22). The rotating rod (20) is rotatably disposed in a rectangular groove (8) and is fixedly connected to both the cam (19) and the striking rod (22).

10. A flow and pressure detection device for a water pipeline system as described in claim 9, characterized in that, The striking rod (22) is rotatably disposed in the rectangular groove (8) and matches the striking plate (4).

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