CN114136380B

CN114136380B - Measuring equipment capable of intelligently and automatically detecting water leakage amount of civil engineering water conservancy

Info

Publication number: CN114136380B
Application number: CN202111436685.0A
Authority: CN
Inventors: 张玉成; 胡海英; 赵美会; 李光威
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-10-25
Anticipated expiration: 2041-11-30
Also published as: CN114136380A

Abstract

The invention provides a measuring device capable of intelligently and automatically detecting water leakage of civil engineering water conservancy, which relates to the technical field of measuring instruments and comprises: a support frame; an overflow tank is vertically and fixedly arranged at the left end of the supporting frame; the middle part of the right end of the overflow tank is fixedly butted with a right-angled triangular box-shaped water guide channel tank; a control box is fixedly arranged on the side wall of the front end of the overflow tank; and a sewage discharging blocking block is packaged at the lower end of the overflow tank. According to the invention, after a plurality of timing cut-off switches are sequentially triggered, the total time is calculated, when the electronic buoy sends a signal, the electromagnetic valve is opened, meanwhile, the electric cylinder works, and resets after a second, so that one-time measurement information gathering and self-cleaning treatment is completed, the device can be ensured to be used repeatedly and smoothly, the device can be used for a long time, and the problem that the device for measuring the water quantity is easy to block due to the fact that impurities and sediments are easy to contain in leaked water is solved.

Description

Measuring equipment capable of intelligently and automatically detecting water leakage amount of civil engineering water conservancy

Technical Field

The invention relates to the technical field of measuring instruments, in particular to a measuring device capable of intelligently and automatically detecting water leakage of civil engineering water conservancy.

Background

In the construction process of civil and hydraulic engineering, along with the increase of pipelines and engineering, the maximum allowable water leakage amount is usually designed.

In the process of measuring the water leakage amount in civil engineering, the water leakage amount is easy to contain impurities and precipitates, so that the device for measuring the water leakage amount is easy to block, the water leakage amount is usually measured by adopting a flow meter mode, and the situation that the flow meter cannot measure the water leakage amount is easy to occur when the water leakage amount is small.

Disclosure of Invention

In view of the above, the invention provides a measuring device capable of intelligently and automatically detecting the water leakage amount of civil engineering and water conservancy, through which the dirt part which is contained in the leakage water and easy to stagnate and leave a plug can be more accurately calculated in the water amount, so that the data is more accurate.

The invention provides a measuring device capable of intelligently and automatically detecting water leakage of civil engineering water conservancy, which specifically comprises: a support frame; an overflow tank is vertically and fixedly installed at the left end of the supporting frame; the middle part of the right end of the overflow tank is fixedly butted with a right-angled triangular box-shaped water guide channel tank; a control box is fixedly arranged on the side wall of the front end of the overflow tank; the lower end of the overflow tank is packaged with a sewage discharge block; the middle part of the side wall of the left end of the overflow tank is vertically and fixedly provided with an electric cylinder, and the lower end of a piston rod of the electric cylinder is fixedly connected with a sewage discharging blocking block; a water pump is arranged on the overflow tank above the electric cylinder, one end of the water pump is communicated with the inner cavity of the overflow tank, and the other end of the water pump is communicated with an external water supply pipe; the water guide channel box is vertically and horizontally provided with water measuring pipe boxes at intervals; a water baffle is vertically arranged in the water metering pipe box.

Optionally, a water overflow port is formed in the middle of the upper end of the side wall of the right end of the water overflow tank; the overflow tank is characterized in that a dry and wet liquid level sensor group is arranged on the side wall of the inner cavity of the overflow tank and consists of a dry liquid level sensor and a wet liquid level sensor, the wet liquid level sensor is positioned above the dry liquid level sensor, and the wet liquid level sensor is flush with the lower port edge of the overflow port.

Optionally, a controller is arranged in the control box, and the controller comprises a wireless transmission module, an alarm module and a timing module.

Optionally, a channel with a closed upper end is arranged at the upper end of the water guide channel box along the inclined surface, and the left end of the channel is butted with the overflow port; the lower end of the channel is butted with a reaction intercepting pool; and an electronic float is arranged in the reaction intercepting pool and electrically connected with the controller.

Optionally, the four corners of the lower end of the sewage discharging block are respectively and vertically provided with a guide rod, and the upper end of the guide rod is inserted into the wall of the overflow tank in a sliding manner; the middle part of the sewage discharging block is a sealed pointed cone in the shape of a frustum of a four-surface, and the sealed pointed cone is hermetically clamped at the lower end of the overflow tank.

Optionally, the middle part of the drainage rack is provided with an inverted isosceles trapezoid-shaped drainage header tank.

Optionally, the upper end of the water measuring pipe box is arranged in the channel, and a water passing port is formed in the part, located on the right side, of the water measuring pipe box, on the side wall of the right end in the channel along the plane of the bottom of the channel; the lower end of the water measuring pipe box is vertically and fixedly provided with a drain pipe, the part of the drain pipe, which is positioned below the water measuring pipe box, is provided with an electromagnetic valve, the lowest end of the drain pipe is communicated with a drain header, and the upper end of the drain pipe is provided with a clamping skirt and is clamped with the lower end of the water baffle in a sliding manner; the side wall of the water metering pipe box, which is positioned below the water baffle, is provided with a sectional timing stop switch, the water baffle is contacted with the timing stop switch when moving to the lowest end, and the timing stop switch is electrically connected with the controller.

Optionally, the water baffle main body is of an L-shaped structure, and a vertical side plate of the water baffle is tangent to the inner side wall of the right end of the water measuring pipe box; the four corners of the bottom surface of the water baffle are respectively and vertically provided with a buffer rod downwards, the lower end of the buffer rod penetrates through the bottom plate of the water measuring pipe box in a sliding manner, and a spring is sleeved on the buffer rod above the bottom plate of the water measuring pipe box; and a water through opening is formed in the upper end of the vertical water baffle plate, and when the water baffle plate moves downwards to the lowest end position, the water through opening is butted with the water passing opening.

Optionally, when the timing cut-off switch is triggered, the timing module in the controller performs timing comparison once, after the plurality of timing cut-off switches are triggered sequentially, the total time length is calculated, when the electronic float sends a signal, the electromagnetic valve is opened, meanwhile, the electric cylinder works, and the electric cylinder resets after 20 seconds.

Advantageous effects

1. According to the invention, the wet liquid level sensor is level with the lower port edge of the overflow port, when the water level of the overflow tank is lower than that of the dry liquid level sensor, the water pump starts to work to supply water, the water level reaches the wet liquid level sensor and stops water inlet, so that the overflow tank is in an overflow state, after leaked water enters the overflow tank, water corresponding to the water amount is overflowed and measured, meanwhile, impurities and silt contained in the leaked water are deposited in the overflow tank, so that the measurement part can be effectively prevented from being blocked by dirt, and further, the dirt part which is easy to be blocked and is contained in the leaked water can be more accurately calculated in the water amount by the method, so that the data is more accurate.

2. The invention can monitor the approximate fluctuation of water amount in different time periods, can be used for observing whether an abnormal condition occurs, and the alarm module is used for alarming when the abnormal condition occurs.

3. According to the invention, after the equivalent water pipe boxes are filled with water, the equivalent water pipe boxes enter the reaction intercepting pool, an electronic float floating generation signal in the reaction intercepting pool is transmitted to the controller for processing, the timing module is used for timing and stopping, the electromagnetic valve is controlled to be opened, water is discharged, timing is started again, meanwhile, the electric air cylinder works, water and impurities in the overflow tank are discharged, self-cleaning processing is carried out, measurement is started again after resetting is carried out, and the function of time-sharing whole-process monitoring is realized in the whole process.

4. When the dirt discharging blocking block is driven by the electric cylinder to move downwards, water in the overflow tank can be discharged quickly, and sediment attached to the sealing pointed cone is washed away quickly, so that the purpose of self-cleaning is achieved.

5. According to the invention, after a plurality of timing cut-off switches are sequentially triggered, the total time is calculated, when the electronic buoy sends a signal, the electromagnetic valve is opened, meanwhile, the electric cylinder works, and the electronic buoy resets after seconds, so that one-time measurement information gathering and self-cleaning processing are completed, the smooth and repeated use of the device is ensured, and the device can be used for a long time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.

In the drawings:

FIG. 1 shows a schematic front upper right axial view of an embodiment in accordance with the invention;

FIG. 2 shows a schematic rear-upper left-side axial view of an embodiment in accordance with the invention;

FIG. 3 illustrates a front right lower axial view schematic diagram according to an embodiment of the present invention;

FIG. 4 illustrates an axial view structural schematic diagram of a channel cover removal state according to an embodiment of the invention;

fig. 5 is an axial view schematically showing a partially removed state of the overflow tank according to the embodiment of the present invention;

FIG. 6 is an axial view schematically illustrating a partially separated state of a aqueduct box section according to an embodiment of the present invention;

FIG. 7 shows a schematic axial view of a part of a aqueduct box in half section according to an embodiment of the invention;

fig. 8 shows an enlarged partial structural view of a in fig. 7 according to an embodiment of the invention;

figure 9 shows a schematic axial view of a portion of the overflow tank according to an embodiment of the invention;

FIG. 10 is an axial view structural diagram illustrating a downward moving state of the sewage discharging block according to an embodiment of the present invention.

List of reference numerals

1. A support frame;

2. an overflow tank; 201. an overflow port; 202. a set of dry and wet liquid level sensors;

3. a control box;

4. a water guide channel box; 401. a channel; 402. a reaction intercepting pool; 403. an electronic float;

5. unloading the sewage blocking block; 501. a guide bar; 502. sealing the pointed cone;

6. a drain frame; 601. a drain header;

7. an electric cylinder;

8. a water pump;

9. a water measuring pipe box; 901. a drain pipe; 902. an electromagnetic valve; 903. water passing holes; 904. a sectionalized timing cut-off switch;

10. a water baffle; 1001. a buffer rod; 1002. a water inlet; 1003. a spring.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.

Example (b): please refer to fig. 1 to fig. 10:

the invention provides a measuring device capable of intelligently and automatically detecting water leakage of civil engineering water conservancy, which comprises: a support frame 1; an overflow tank 2 is vertically and fixedly arranged at the left end of the support frame 1; the middle part of the right end of the overflow tank 2 is fixedly butted with a right-angled triangular box-shaped water guide channel tank 4; a control box 3 is fixedly arranged on the side wall of the front end of the overflow tank 2; the lower end of the overflow tank 2 is packaged with a sewage discharge block 5; the middle part of the side wall of the left end of the overflow tank 2 is vertically and fixedly provided with an electric cylinder 7, and the lower end of a piston rod of the electric cylinder 7 is fixedly connected with the sewage discharging blocking block 5; a water pump 8 is arranged on the overflow tank 2 above the electric cylinder 7, one end of the water pump 8 is communicated with the inner cavity of the overflow tank 2, and the other end is communicated with an external water supply pipe; the water guide channel box 4 is vertically and horizontally provided with water measuring pipe boxes 9 at intervals; a water baffle plate 10 is vertically arranged in the water measuring pipe box 9.

Further, according to the embodiment of the present invention, as shown in fig. 1 and 9, a weir 201 is provided at a middle position of an upper end of a side wall of a right end of the overflow tank 2; the side wall of the inner cavity of the overflow tank 2 is provided with a dry liquid level sensor group 202, the dry liquid level sensor group 202 consists of a dry liquid level sensor and a wet liquid level sensor, the wet liquid level sensor is positioned above the wet liquid level sensor, the wet liquid level sensor is flush with the lower port edge of the overflow port 201, when the water level of the overflow tank 2 is lower than the dry liquid level sensor, the water pump 8 starts to work to feed water, the water stops feeding when the water level reaches the wet liquid level sensor, so that the overflow tank 2 is in an overflow state, after leaked water enters the overflow tank 2, the water corresponding to the water amount overflows and is measured, meanwhile, impurities and silt contained in the leaked water can be deposited in the overflow tank 2, dirt can be effectively prevented from blocking a measuring part, and further, the dirt part which is easy to stagnate and remain and block and is contained in the leaked water can be accurately calculated in the water amount by the method, so that data is more accurate.

In addition, according to the embodiment of the present invention, a controller is built in the control box 3, the controller includes a wireless transmission module, an alarm module and a timing module, information can be transmitted to an external mobile device in real time through the wireless transmission module, the timing module can be used to calculate the time for the water storage of the segmental water measuring pipe box 9, so as to calculate the water storage speed according to the volume and time of the controller, monitor the approximate fluctuation of water at different periods, observe whether an abnormal situation occurs, and the alarm module is used to alarm when an abnormal situation occurs.

In addition, according to the embodiment of the present invention, as shown in fig. 4 and 5, the upper end of the water guide channel box 4 is provided with a channel 401 whose upper end is closed along the inclined surface, and the left end of the channel 401 is butted with the overflow gap 201; the lower end of the channel 401 is butted with a reaction interception pool 402; the reaction intercepting pool 402 is internally provided with an electronic float 403, the electronic float 403 is electrically connected with the controller, when overflowing water flows along the channel 401, the overflowing water sequentially enters the corresponding water measuring pipe boxes 9, after the water measuring pipe boxes 9 are filled with water, the overflowing water enters the reaction intercepting pool 402, floating generation signals of the electronic float 403 in the reaction intercepting pool 402 are transmitted to the controller to be processed, the timing module stops timing, the control electromagnetic valve 902 is opened, water is discharged, timing starts again, meanwhile, the electric cylinder 7 works to discharge water and impurities in the overflowing tank 2, self-cleaning processing is carried out, measurement starts again after resetting, and the function of time-sharing whole-process monitoring is realized in the whole process.

In addition, according to the embodiment of the present invention, as shown in fig. 1 and 10, the four corners of the lower end of the sewage discharging block 5 are respectively vertically provided with the guide rods 501, and the upper ends of the guide rods 501 are slidably inserted into the wall of the overflow tank 2; the middle part of the sewage discharging blocking block 5 is a sealing pointed cone 502 in the shape of a four-sided truncated cone, the sealing pointed cone 502 is in sealing clamping connection with the lower end of the overflow tank 2, the sealing pointed cone 502 can be used for separating silt and sediment contained in water and collecting the silt and the sediment downwards, when the sewage discharging blocking block 5 is driven by the electric cylinder 7 to move downwards, water in the overflow tank 2 can be discharged quickly, and the sediment attached to the sealing pointed cone 502 is quickly washed away, so that the purpose of self-cleaning is achieved.

In addition, according to the embodiment of the present invention, the middle of the drainage frame 6 is provided with an inverted isosceles trapezoid-shaped drainage sink tank 601 for collecting and draining the water in each of the water metering tank 9.

In addition, according to the embodiment of the present invention, as shown in fig. 7 and 8, the upper end of the water metering box 9 is placed in the channel 401, and the portion of the right end side wall of the water metering box 9 in the channel 401 is provided with a water passing opening 903 along the bottom plane of the channel 401; a drain pipe 901 is vertically and fixedly installed at the lower end of the water measuring pipe box 9, an electromagnetic valve 902 is installed on the part, located below the water measuring pipe box 9, of the drain pipe 901, the lowest end of the drain pipe 901 is communicated with the drain header 601, and a clamping skirt is arranged at the upper end of the drain pipe 901 and is clamped with the lower end of the water baffle 10 in a sliding manner; be equipped with segmentation timing stop switch 904 on the lateral wall that lies in breakwater 10 below in the water pipe case 9, breakwater 10 moves and contacts with timing stop switch 904 when bottommost, timing stop switch 904 is connected with controller electrical property, each water pipe case 9 corresponds one section allows the longest time of the water leakage volume, timing stop switch 904 is used for the timing to end, when equivalent water pipe case 9 normal water is full, breakwater 10 moves down, trigger timing stop switch 904, and simultaneously, the passageway intercommunication between water pipe case 9 and the adjacent next water pipe case 9, next water pipe case 9 impounds, once measure.

Furthermore, according to the embodiment of the present invention, as shown in fig. 7 and 8, the water baffle 10 has an L-shaped main body, and the vertical side plate of the water baffle 10 is tangent to the inner side wall of the right end of the water measuring tank 9; the four corners of the bottom surface of the water baffle 10 are respectively vertically provided with a buffer rod 1001, the lower end of the buffer rod 1001 penetrates through the bottom plate of the water measuring pipe box 9 in a sliding manner, and the buffer rod 1001 above the bottom plate of the water measuring pipe box 9 is sleeved with a spring 1003; the water service mouth 1002 has been seted up to the upper end of breakwater 10 riser, when breakwater 10 moved down to the position of lower extreme, water service mouth 1002 docks with crossing water mouth 903, when equivalent water pipe case 9 water was full, will oppress breakwater 10 and move down, make water service mouth 1002 on breakwater 10 dock with crossing water mouth 903, water continues to flow to next volume water pipe case 9, and simultaneously, timing cut-off switch 904 in the volume water pipe case 9 that holds full water is triggered the timing, when timing cut-off switch 904 is triggered, timing module timing in the controller is compared once, a plurality of timing cut-off switches 904 are triggered the back in proper order, calculate total duration, when the electron floats 403 signals, solenoid valve 902 opens, simultaneously, electric cylinder 7 works, reset after 20 seconds, and then accomplish a measurement information and gather and automatically cleaning and handle, guaranteed that the device can smoothly use repeatedly, make the device can use for a long time.

The specific use mode and function of the embodiment are as follows: according to the invention, after leaked water enters the overflow tank 2, water corresponding to the water amount is overflowed and measured, when the equivalent water tank 9 is full of water, the water baffle 10 is pressed to move downwards, so that a water through port 1002 on the water baffle 10 is in butt joint with a water through port 903, water continues to flow to the next equivalent water tank 9, meanwhile, a timing cut-off switch 904 in the equivalent water tank 9 full of water is triggered for timing, when the timing cut-off switch 904 is triggered, a timing module in a controller is used for timing and comparing once, after a plurality of timing cut-off switches 904 are sequentially triggered, the total time is calculated, when an electronic float 403 sends a signal, an electromagnetic valve 902 is opened, meanwhile, an electric cylinder 7 works and is reset after 20 seconds, when the equivalent water tank 9 is full of water, the water baffle 10 moves downwards to trigger the timing cut-off switch 904, meanwhile, a channel between the equivalent water tank 9 and the next adjacent equivalent water tank 9 is communicated, the next water tank 9 stores water, the next water tank 9 carries out once for metering, when a sewage block 5 is driven by the electric cylinder 7 to move downwards, the overflow tank 2 can discharge water quickly, and deposit water can be flushed quickly, and the purpose of self-cleaning can be realized;

when overflowing water flows along the channel 401, the overflowing water firstly enters the corresponding water measuring pipe boxes 9 in sequence, after the water measuring pipe boxes 9 are filled with water, the overflowing water enters the reaction intercepting pool 402, an electronic float 403 in the reaction intercepting pool 402 floats to generate a signal, the signal is transmitted to the controller for processing, the timing module stops timing, the electromagnetic valve 902 is controlled to be opened, water is discharged, timing is started again, meanwhile, the electric cylinder 7 works, water and impurities in the overflowing box 2 are discharged, and self-cleaning processing is carried out.

Finally, it should be noted that, when describing the positions of the components and the matching relationship between the components, the invention will be generally exemplified by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other pairs of components.

The above description is intended to be illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a can be to measuring equipment of building water conservancy water leakage intelligent automated inspection which characterized in that includes: a support frame (1) and a drainage frame (6); an overflow tank (2) is vertically and fixedly arranged at the left end of the support frame (1); the middle part of the right end of the overflow tank (2) is fixedly butted with a right-angled triangular box-shaped water guide channel tank (4); a control box (3) is fixedly arranged on the side wall of the front end of the overflow tank (2); the lower end of the overflow tank (2) is packaged with a sewage discharge block (5); an electric cylinder (7) is vertically and fixedly installed in the middle of the side wall of the left end of the overflow tank (2), and the lower end of a piston rod of the electric cylinder (7) is fixedly connected with the sewage discharging blocking block (5); a water pump (8) is arranged on the overflow tank (2) above the electric cylinder (7), one end of the water pump (8) is communicated with the inner cavity of the overflow tank (2), and the other end is communicated with an external water supply pipe; the water guide channel box (4) is internally provided with water measuring pipe boxes (9) at a vertical left-right interval; a water baffle (10) is vertically arranged in the water measuring pipe box (9); an overflow gap (201) is formed in the middle of the upper end of the side wall of the right end of the overflow tank (2); a dry and wet liquid level sensor group (202) is arranged on the side wall of the inner cavity of the overflow tank (2), the dry and wet liquid level sensor group (202) consists of a dry liquid level sensor and a wet liquid level sensor, the wet liquid level sensor is positioned above the dry liquid level sensor, and the wet liquid level sensor is flush with the lower port edge of the overflow port (201); a controller is arranged in the control box (3), and the controller comprises a wireless transmission module, an alarm module and a timing module; a channel (401) with a closed upper end is arranged at the upper end of the water guide channel box (4) along the inclined surface, and the left end of the channel (401) is butted with the overflow port (201); the lower end of the channel (401) is butted with a reaction cut-off pool (402); an electronic float (403) is arranged in the reaction intercepting pool (402), and the electronic float (403) is electrically connected with the controller; the four corners of the lower end of the sewage discharging blocking block (5) are respectively and vertically provided with a guide rod (501), and the upper end of each guide rod (501) is inserted into the wall of the overflow tank (2) in a sliding manner; the middle part of the sewage discharging blocking block (5) is a sealing pointed cone (502) in the shape of a four-sided truncated cone, and the sealing pointed cone (502) is clamped at the lower end of the overflow tank (2) in a sealing manner; the upper end of the water measuring pipe box (9) is arranged in the channel (401), and the part of the water measuring pipe box (9) on the right end side in the channel (401) is provided with a water passing port (903) along the bottom plane of the channel (401); the lower end of the water measuring pipe box (9) is vertically and fixedly provided with a water discharging pipe (901), the part of the water discharging pipe (901) below the water measuring pipe box (9) is provided with an electromagnetic valve (902), the lowest end of the water discharging pipe (901) is communicated with the water discharging header box (601), and the upper end of the water discharging pipe (901) is provided with a clamping skirt and is clamped with the lower end of the water baffle (10) in a sliding manner; the side wall of the water measuring pipe box (9) below the water baffle (10) is provided with a sectional timing cut-off switch (904), the water baffle (10) is contacted with the timing cut-off switch (904) when moving to the lowest end, and the timing cut-off switch (904) is electrically connected with the controller.

2. The measuring device capable of intelligently and automatically detecting the water leakage of civil engineering and water conservancy as claimed in claim 1, wherein: and the middle part of the drainage rack (6) is provided with an inverted isosceles trapezoid-shaped drainage header tank (601).

3. The measuring equipment capable of intelligently and automatically detecting the water leakage of civil engineering and water conservancy projects as claimed in claim 1, wherein: the main body of the water baffle (10) is of an L-shaped structure, and a vertical side plate of the water baffle (10) is tangent to the inner side wall of the right end of the water measuring pipe box (9); buffer rods (1001) are vertically and downwards arranged at four corners of the bottom surface of the water baffle (10), the lower ends of the buffer rods (1001) penetrate through the bottom plate of the water measuring pipe box (9) in a sliding mode, and springs (1003) are sleeved on the buffer rods (1001) above the bottom plate of the water measuring pipe box (9); the water passing opening (1002) is formed in the upper end of the vertical plate of the water baffle (10), and when the water baffle (10) moves downwards to the lowest end position, the water passing opening (1002) is in butt joint with the water passing opening (903).

4. The measuring equipment capable of intelligently and automatically detecting the water leakage of civil engineering and water conservancy projects as claimed in claim 3, wherein: when the timing cut-off switch (904) is triggered, the timing module in the controller is used for timing and comparing once, after the timing cut-off switches (904) are triggered sequentially, the total time length is calculated, when the electronic float (403) sends a signal, the electromagnetic valve (902) is opened, meanwhile, the electric cylinder (7) works, and the electronic float resets after 20 seconds.