CN213274493U - Pressure tank installation device and bubble pressure type water level gauge detection device - Google Patents
Pressure tank installation device and bubble pressure type water level gauge detection device Download PDFInfo
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- CN213274493U CN213274493U CN202022200836.XU CN202022200836U CN213274493U CN 213274493 U CN213274493 U CN 213274493U CN 202022200836 U CN202022200836 U CN 202022200836U CN 213274493 U CN213274493 U CN 213274493U
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Abstract
The utility model provides a pressure tank installation device and a bubble pressure type water level gauge detection device, wherein, the pressure tank installation device comprises a horizontal base, two sleeves, two stop blocks and a plurality of fasteners; the upper surface of the horizontal base is provided with a first groove for bearing the pressure tank, two ends of the bottom of the first groove are respectively provided with a second groove, the middle part of a partition plate between the second groove and the first groove is provided with a rectangular through hole, and the width of the second groove is greater than that of the rectangular through hole; the two sleeves are respectively sleeved at the two ends of the pressure tank; the two stop blocks comprise a first stop strip and a second stop strip which are vertically connected with each other, the first stop strip is embedded in the second groove, the second stop strip penetrates through the rectangular through hole and extends into the first groove, the first stop strip is carried to move to the end part of the pressure tank along the second groove under the action of external applied horizontal force, and the pressure tank is connected with the adjacent sleeve through a fastening piece. The utility model discloses can the not pressure tank of unidimensional model of quick replacement, the balanced portability that detects precision and detection device makes detection device can adapt to the detection demand under the different situation.
Description
Technical Field
The utility model relates to a fluviograph detects technical field, particularly relates to overhead tank installation device, bubble pressure type fluviograph detection device.
Background
The water level meters currently used in the world can be roughly classified into the following types according to the measurement principle: float type water level gauge, drop-in pressure water level gauge, bubble pressure water level gauge, ultrasonic water level gauge and radar water level gauge. The water level meters have different measuring precision, using conditions and service life due to different working principles.
The bubble pressure type water level gauge is simple to install, the stability and the measurement accuracy are high, water level monitoring stations in various regions in China are widely applied, however, test data still have drift and errors after long-term operation, comparison and calibration can be carried out only through manual observation or according to data measured by other water level gauges at present, the test accuracy, the efficiency and comparison and measurement standards are difficult to guarantee, when other water level gauges are used for comparison and measurement, the selected water level gauge is not necessarily adaptive to the current terrain, the problem of difficulty in field test and measurement also exists, and even a scheme for comparison and measurement is difficult to adopt. In addition, since the bubble pressure type water level gauge is generally installed in a field area where human smoke is rare, the portability of the detection device is also required.
Therefore, it is urgently needed to provide a portable high-precision bubble pressure type water level gauge inspection and test device, which is used for solving a plurality of difficult problems encountered in field inspection and test of the instruments, realizing field rapid detection and calibration of hydrological instruments and promoting the progress of water conservancy modern industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bubble pressure type water level gauge detection device, to wait to detect bubble pressure type water level gauge and high accuracy number word type barometer be connected to the overhead tank simultaneously, wherein the mode that the bubble pressure type water level gauge adopted to inflate in the overhead tank is with the atmospheric pressure in continuous or interval detection overhead tank, through reading the number of degrees of bubble pressure type water level gauge and high accuracy number word type barometer under the different pressure condition, the analysis obtains the detection error and the detection precision of waiting to detect the bubble pressure type water level gauge. The utility model discloses can solve a great deal of difficult problem that present bubble pressure type fluviograph field test met, realize on-the-spot short-term test and calibration. Additionally, the utility model also provides a pressure tank installation device, can the not unidimensional model of quick replacement pressure tank, the detection device can adapt to the detection demand under the different situation by balanced detection precision and detection device's portability.
In order to achieve the above purpose, with reference to fig. 1, the present invention provides a pressure tank installation device, wherein the pressure tank is respectively connected with a bubble pressure type water level gauge and a digital barometer, and the pressure tank installation device is arranged at the bottom of the inner side of a tank body;
the pressure tank mounting device comprises a horizontal base, two sleeves, two stop blocks and a plurality of fasteners;
the horizontal base is fixed at the bottom of the inner side of the box body, a first groove used for bearing the pressure tank is arranged on the upper surface of the horizontal base, two ends of the bottom of the first groove are respectively provided with a second groove, the second grooves are positioned under the first grooves and are parallel to the first grooves, a rectangular through hole is arranged in the middle of a partition plate between each second groove and the corresponding first groove, and the width of each second groove is larger than that of the rectangular through hole;
the two sleeves are respectively sleeved at two ends of the pressure tank;
the two stop blocks comprise a first stop strip and a second stop strip which are vertically connected with each other, the first stop strips are embedded in the second grooves in a one-to-one correspondence manner, the second stop strips penetrate through the rectangular through holes and extend into the first grooves, the first stop strips are carried to move to the corresponding pressure tank end parts along the second grooves under the action of external horizontal force, and the pressure tank end parts are connected with the adjacent sleeves through fasteners; the size of the first stop bar is matched with that of the second groove, and the width of the second stop bar is matched with that of the rectangular through hole.
As a preferable example, the cross section of each of the first groove and the second groove is rectangular.
As a preferable example, an elastic pad is laid on the upper surface of the groove bottom of the first groove.
As a preferable example, the bottom of the second groove is horizontally provided with a guide rail, the extending direction of the guide rail is parallel to the axial center line of the pressure tank, the bottom of the first barrier strip is provided with a sliding assembly, and the first barrier strip is mounted on the guide rail through the sliding assembly and moves along the guide rail.
With reference to fig. 2, the present invention further provides a bubble pressure type water level gauge detection device, which comprises a box body, a touch display screen, a digital barometer, an internal regulation barometer, a solenoid valve array, a relay array, a connecting pipeline and a pressure tank;
the box body is cuboid, an opening is formed in the upper surface of the box body, an upturned box cover is connected to one side of the opening, a plurality of horizontal supporting bases are distributed on the edge of the top of the box body, and the separation platform is detachably erected on the supporting bases;
the touch display screen and the display end of the digital barometer are arranged on the separation platform, and the touch display screen is used for inputting an external control instruction;
the detection end of the digital barometer, the electromagnetic valve array, the relay array and the pressure tank are fixed in a box body accommodating cavity below the separation platform;
the pressure tank is fixed at the bottom of the accommodating cavity of the box body by adopting the pressure tank mounting device; the pressure tank is provided with an air inlet and an air outlet; the air inlet hole is hermetically connected with an air inlet pipe, one end of the air inlet pipe, which is not connected with the air inlet hole, extends to the upper part of the separation platform and is connected with an air pipe connector fixed on the separation platform, and the bubble type pressure type water level meter to be detected is connected with the air inlet pipe through the air pipe connector; the air outlet is respectively connected with the detection end of the digital barometer and the air inlet end of the electromagnetic valve array in a sealing way through connecting pipelines;
the internal regulation barometer is arranged on the connecting pipeline, the detection end of the internal regulation barometer is communicated with the inside of the connecting pipeline, the actual air pressure in the pressure tank is measured in real time according to an external control instruction, and the measurement result is displayed through the touch display screen;
the relay array is connected with the control end of the electromagnetic valve array, the opening and closing state of the electromagnetic valve array is switched according to an external control instruction, and partial gas in the pressure tank is released continuously or at intervals;
the control end of the bubble pressure type water level gauge detects the air pressure in the pressure tank in a mode of inflating the pressure tank at intervals according to an external control instruction, and the detection result is displayed through a touch display screen;
and the control end of the digital barometer synchronously detects the air pressure in the pressure tank with the bubble pressure type water level meter according to an external control instruction, and the detection result is displayed through the display end of the digital barometer.
As a preferred example, the connecting pipeline is in a shaft shape, and is provided with a first end portion and a second end portion along the longitudinal direction, the first end portion is provided with a first air hole, the first air hole is hermetically connected with the air outlet through a first air pipe, the second end portion is provided with a second air hole, and the second air hole is hermetically connected with the detection end of the digital barometer through a second air pipe;
and a third air hole is formed above the connecting pipeline and is hermetically connected with the air inlet end of the electromagnetic valve array through a third air pipe.
As a preferred example, the electromagnetic valve array comprises a rough adjusting valve, a fine adjusting valve and a protection valve; the relay array comprises a coarse adjustment relay corresponding to the coarse adjustment valve, a fine adjustment relay corresponding to the fine adjustment valve and a protection relay corresponding to the protection valve;
the air inlet end of the coarse adjustment valve is hermetically connected with the air outlet hole through a connecting pipeline, and the air outlet end of the coarse adjustment valve is hermetically connected with the air inlet end of the fine adjustment valve through a fourth air pipe;
and the air inlet end of the protection valve is hermetically connected with the connecting pipeline.
As a preferable example, the pressure tank is made of an aluminum alloy material.
As a preferred example, a plurality of clamping columns are arranged on the inner side of the sleeve along the circumferential direction, the clamping columns form a bearing platform of the end part of the pressure tank, a gas pipe containing part is formed by a plane formed by the clamping columns and the bottom of the sleeve, a gas pipe outlet is arranged at the top of the gas pipe containing part, and the gas inlet pipe and the first gas pipe respectively extend to the corresponding gas pipe containing part from the gas inlet hole and the gas outlet hole and then extend to the outer side of the sleeve through the corresponding gas pipe outlet.
As a preferable example, an air pipe fixing mechanism for fixing the air inlet pipe and the first air pipe is provided at the air pipe outlet.
By above the technical scheme of the utility model, compare with current, its beneficial effect who is showing lies in:
(1) the problems of a plurality of difficulties encountered in field inspection and test of the existing bubble pressure type water level meter can be solved, and field rapid detection and calibration are realized.
(2) The pressure tanks with different sizes and models can be replaced quickly, the detection precision and the portability of the detection device are balanced, and the detection device can meet the detection requirements under different conditions.
(3) Set up connecting tube and regard as relaying aeration equipment, only need set up an air inlet and an air outlet on making the overhead tank, ensure the sealing performance of overhead tank on the one hand, on the other hand reduces the trachea and changes when changing the overhead tank, improves and changes efficiency.
(4) The electromagnetic valve array is adopted to exhaust step by step, so that the exhaust control precision is improved, and the control precision of the air pressure in the pressure tank is further improved.
(5) The box body is processed in a layered mode, the display end of the touch display screen and the digital barometer and the air pipe connector connected with the bubble pressure type water level meter to be detected are installed on the separation platform, and other devices are distributed and fixed in the containing cavity in the lower portion of the box body, so that the bubble pressure type water level meter can be conveniently replaced, detection parameters can be observed, and meanwhile other component structural members can be prevented from being damaged.
(6) The mode that the bubble pressure type fluviograph that adopts to wait to detect inflates in to the overhead tank carries out atmospheric pressure and detects, combines solenoid valve array and relay array to carry out the exhaust operation to the overhead tank, can realize the atmospheric pressure quick adjustment in the certain atmospheric pressure scope, obtains the measurement numerical value comparison result of bubble pressure type fluviograph and digital barometer under the different atmospheric pressure conditions fast, reduces the external possibility of carrying out frequent operation and interference to the overhead tank.
(7) Adopt the sleeve as the connecting piece of overhead tank and dog, adopt two sleeves with the overhead tank butt between the two, adopt the fastener again fixed with the sleeve, avoid the fastener directly to operate the overhead tank, reduce the disturbance to the overhead tank, improve the leakproofness of overhead tank to, to the overhead tank of same diameter, only need handle sleeve and overhead tank can, improve the convenience of changing the operation, reduce the operation to tracheal plug.
(8) Be provided with trachea storage part in the sleeve, avoid the overhead tank butt in-process to cause the extrusion to the trachea, in addition, adopt the fixed trachea of trachea fixed establishment who sets up at the sleeve top, can effectively avoid carrying or operating the in-process, owing to take off or the gas tightness reduction to the pine that leads to the frequent disturbance of trachea tip be connected with the overhead tank.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a pressure tank installation device according to the present invention, in which fig. 1(a) is a front view and fig. 1(b) is a plan view.
Fig. 2 is a schematic structural view of the pressure tank mounting device after the small-sized pressure tank is replaced in the embodiment.
Fig. 3 is a schematic structural view of the bubble pressure type water level gauge detection device of the present invention.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
Referring to fig. 1, the present invention provides a pressure tank installation apparatus, wherein the pressure tank 20 is respectively connected to a bubble pressure type water level gauge and a digital barometer, and the pressure tank installation apparatus is arranged at the bottom of the inner side of the tank body.
The pressure tank mounting device comprises a horizontal base 11, two sleeves 13, two stoppers 12 and a plurality of fasteners 14.
The horizontal base 11 is fixed at the bottom of the inner side of the tank body, a first groove 111 for bearing the pressure tank 20 is arranged on the upper surface of the horizontal base 11, two second grooves 112 are respectively arranged at two ends of the bottom of the first groove 111, the second grooves 112 are positioned under the first grooves 111 and are parallel to the first grooves 111, a rectangular through hole 113 is arranged in the middle of a partition plate between the second grooves 112 and the first grooves 111, and the width of the second grooves 112 is greater than that of the rectangular through hole 113.
The two sleeves 13 are respectively sleeved at two ends of the pressure tank 20. In some examples, the sleeve 13 may be screwed on the two ends of the pressure tank 20.
The two stop blocks 12 comprise a first stop strip 122 and a second stop strip 121 which are vertically connected with each other, the first stop strips 122 are embedded in the second grooves 112 in a one-to-one correspondence manner, the second stop strips 121 extend into the first grooves 111 through the rectangular through holes 113, and carry the first stop strips 122 to move to the corresponding end parts of the pressure tanks 20 along the second grooves 112 under the action of external horizontal force, and are connected with the adjacent sleeves 13 through fasteners 14; the size of the first stop strip 122 is matched with that of the second groove 112, and the width of the second stop strip 121 is matched with that of the rectangular through hole 113.
When the pressure tank 20 is installed, firstly, the two sleeves 13 are sleeved at the two ends of the pressure tank 20, so that the pressure tank 20 is fixed between the two sleeves 13; then, the pressure tank 20 with the sleeve 13 installed is placed in the first groove 111, and at the moment, the two stop blocks 12 are respectively positioned at two sides of the pressure tank 20; applying opposing horizontal forces on the two blocks 12 gradually moves the blocks 12 horizontally along the second groove 112 into engagement with the adjacent sleeve 13, locking the blocks 12 to the sleeve 13 using the fasteners 14, and applying an opposing horizontal pushing force on the pressure vessel 20 to secure the pressure vessel 20 in the first groove 111. Since the size of the first barrier 122 is matched with that of the second groove 112 and the width of the second groove 112 is larger than that of the rectangular through hole 113, even if the pressure tank installation device is turned over, the pressure tank 20 can still be stably installed in the first groove 111 due to the gravity all applied to the partition plate and the fastening member 14, which is convenient for the user to carry for a long distance. Here adopts sleeve 13 as the connecting piece of overhead tank 20 and dog 12, adopt two sleeves 13 with overhead tank 20 butt between the two, it is fixed with sleeve 13 to adopt fastener 14 again, avoid fastener 14 directly to operate overhead tank 20, reduce the disturbance to overhead tank 20, improve the leakproofness of overhead tank 20, and, to the overhead tank 20 of same diameter, only need handle sleeve 13 and overhead tank 20 can, improve the convenience of changing the operation, reduce the tracheal plug operation.
When the pressure tank 20 is replaced, the fastener 14 is only loosened, and the stopper 12 and the sleeve 13 are sequentially removed, so that the current pressure tank 20 can be quickly removed, and the installation action of a new pressure tank 20 is performed.
Preferably, a plurality of clamping columns 131 are arranged on the inner side of the sleeve 13 along the circumferential direction, the clamping columns 131 form a bearing platform at the end part of the pressure tank 20, a gas pipe containing part is formed between a plane formed by the clamping columns 131 and the bottom of the sleeve 13, a gas pipe outlet is formed in the top of the gas pipe containing part, the gas inlet pipe and the first gas pipe 21 extend to the corresponding gas pipe containing part from the gas inlet hole and the gas outlet hole respectively, and then extend to the outer side of the sleeve 13 through the corresponding gas pipe outlet. More preferably, the air pipe outlet is provided with an air pipe fixing mechanism 132 for fixing the air inlet pipe and the first air pipe 21. Through set up trachea storage part in sleeve 13, avoid the overhead tank 20 butt in-process to cause the extrusion to the trachea, in addition, adopt the trachea fixed establishment 132 that sets up at sleeve 13 top to fix the trachea, can effectively avoid carrying or the operation in-process, owing to take off or the gas tightness reduction to the pine that leads to the frequent disturbance of trachea tip be connected with overhead tank 20. For example, adopt two joinable cross sections to become half annular joint portion, joint portion establishes the pipeline both sides at intake pipe or first trachea 21 with horizontal migration, two joint portions move near each other and joint back its middle part forms a cylindrical cavity that is used for holding the tracheal tube way, be provided with the external screw thread of joinable on the lateral wall of two joint portions, will have the internal screw thread of assorted nut to connect in two joint portion outsides soon again, make two joint portion butts and circumference apply horizontal force on the tracheal tube way, fix the trachea in trachea exit with the help of the resilience force of tracheal tube way and the frictional force of tracheal tube way and joint portion inner wall. Preferably, be provided with the elastic washer who is used for taking the decorative pattern on the joint portion inside wall for improve the frictional force of tracheal tube and joint portion inner wall, and reduce the wearing and tearing of joint portion to the pipeline.
More preferably, a horizontally disposed protection mechanism 133, such as a straight rod for shielding, is connected to an upper portion of the opposite side wall of the sleeve 13, so as to prevent other devices from impacting and damaging the pressure tank 20 from above the pressure tank 20 during movement or operation.
The shape of the first groove 111 and the second groove 112 is determined according to actual requirements, for example, the cross sections are rectangular. The purpose of the first recess 111 is to carry the pressure vessel 20 and the purpose of the second recess 112 is to snap the stop 12.
Preferably, the pressure tank installation device is made of hard materials such as metal, in order to reduce the damage of the pressure tank installation device to the pressure tank 20, an elastic pad is laid on the upper surface of the bottom of the first groove 111, and the design can effectively reduce the impact force on the pressure tank 20 when the pressure tank installation device is installed or moved for a long distance, so as to protect the pressure tank 20 from being damaged.
As a preferable example, the bottom of the second groove 112 is horizontally provided with a guide rail, the extension direction of the guide rail is parallel to the axial center line of the pressure tank 20, the bottom of the first barrier strip 122 is provided with a sliding assembly, and the first barrier strip 122 is mounted on the guide rail through the sliding assembly and moves along the guide rail. Through the aforementioned structure design, the first barrier 122 can move smoothly in the second groove 112. It should be understood that the location of the guide rail is not limited to the bottom of the second groove 112, and in fact, the guide rail may be installed on any one side of the second groove 112, and preferably, one guide rail may be installed on each of two opposite sides to better move the first bar 122. The choice of the design at the bottom allows for increasing the contact surface between the first bar 122 and the divider plate when the tank is inverted to further reduce the pressure between the two.
Preferably, the pressure tank 20 can be made of an aluminum alloy material, so that deformation is not easy to occur, and the stability and reliability of the air pressure to be measured are ensured. Practice proves that the larger the size of the pressure tank 20 is, the smaller the airflow disturbance generated by the air pressure change is, and the detection precision is higher, but the overlarge pressure tank 20 is inconvenient to assemble and carry, and the optimal volume of the pressure tank 20 needs to be determined by comprehensive consideration. And through aforementioned structural design, the overhead tank installation device that this application provided can the not pressure tank 20 of unidimensional model of quick replacement, and the detection device's portability is detected to the balance, makes detection device can adapt to the detection demand under the different situation.
Combine fig. 3, the utility model discloses still mention a bubble pressure type water level gauge detection device, detection device includes box, touch-control display screen, digital barometer, solenoid valve array, relay array, connecting tube and overhead tank 20.
The box is the cuboid form, and the box upper surface is provided with the opening, open-ended one side is connected with turns over the case lid, and box top edge distributes and is provided with a plurality of supporting bases that are the level form, separates the platform and erects on supporting base can dismantle.
The touch display screen and the display end of the digital barometer are arranged on the separation platform, and the touch display screen is used for inputting an external control instruction.
The detection end of the digital barometer, the electromagnetic valve array, the relay array and the pressure tank 20 are all fixed in a box body accommodating cavity below the separation platform.
Adopt and separate the platform and do the layering to the box and handle, install touch-control display screen, the display end of digital barometer and with the trachea joint that the bubble pressure type fluviograph that waits to detect is connected on separating the platform, all the other equipment distributions are fixed in the holding intracavity of box lower part, when being convenient for change bubble pressure type fluviograph and observing the detection parameter, still do benefit to and avoid other component structures to suffer the damage.
The pressure tank 20 is fixed at the bottom of the box body accommodating cavity by adopting the pressure tank mounting device; the pressure tank 20 is provided with an air inlet hole and an air outlet hole; the air inlet hole is hermetically connected with an air inlet pipe, one end of the air inlet pipe, which is not connected with the air inlet hole, extends to the upper part of the separation platform and is connected with an air pipe connector fixed on the separation platform, and the bubble type pressure type water level meter to be detected is connected with the air inlet pipe through the air pipe connector; and the air outlet is respectively connected with the detection end of the digital barometer and the air inlet end of the electromagnetic valve array in a sealing way through connecting pipelines.
The relay array is connected with the control end of the electromagnetic valve array, the opening and closing state of the electromagnetic valve array is switched according to an external control instruction, and partial gas in the pressure tank 20 is released continuously or at intervals.
The control end of the bubble pressure type water level gauge detects the air pressure in the pressure tank 20 continuously or at intervals in a way of inflating the pressure tank 20 according to an external control instruction, and the detection result is displayed through the touch display screen.
The control end of the digital barometer synchronously detects the air pressure in the pressure tank 20 with the bubble pressure type water level meter according to an external control instruction, and the detection result is displayed through the display end of the digital barometer.
The technical principle of measuring the water level by the bubble pressure type water level gauge is that air is blown to a fixed measuring point underwater through an air pipe, when the air pressure in the air blowing pipe is balanced with the hydrostatic pressure of the measuring point, the balanced air pressure in the air blowing pipe is measured, and the balanced air pressure is the water pressure of the measuring point, so that the water depth of the measuring point is obtained through calculation, and the water level value is obtained. Therefore, whether the water level data measured by the bubble pressure type water level meter is accurate, namely whether the air pressure data measured by the bubble pressure type water level meter is accurate is detected.
Based on the foregoing detection principle, the utility model provides a set up an adjustable overhead tank 20, the bubble pressure type fluviograph and the high accuracy digital barometer that will wait to detect are connected to overhead tank 20 simultaneously, wherein the mode that the bubble pressure type fluviograph adopted to inflating in overhead tank 20 is with the atmospheric pressure in continuous or interval detection overhead tank 20, through the degree of reading bubble pressure type fluviograph and high accuracy digital barometer under the different pressure condition, the analysis obtains the detection error and the detection precision of waiting to detect the bubble pressure type fluviograph, the bubble pressure type fluviograph that combines the analysis result to treat the detection is proofreaded and is transferred, thereby successfully solve a great deal of difficult problem that present bubble pressure type fluviograph field inspection test met, realize on-the-spot short-term test and calibration.
As the relay ventilation equipment, the connecting pipeline is arranged, so that only one air inlet and one air outlet are needed to be arranged on the pressure tank 20, on one hand, the sealing performance of the pressure tank 20 is ensured, on the other hand, the replacement of the air pipe is reduced when the pressure tank 20 is replaced, and the replacement efficiency is improved. As a preferable example of the above, the connection pipe is in a shaft shape, and a first end portion and a second end portion are provided along a longitudinal direction of the connection pipe, the first end portion is provided with a first air hole, the first air hole is hermetically connected to the air outlet through a first air pipe 21, the second end portion is provided with a second air hole, and the second air hole is hermetically connected to the detection end of the digital barometer through a second air pipe.
And a third air hole is formed above the connecting pipeline and is hermetically connected with the air inlet end of the electromagnetic valve array through a third air pipe.
Since the accuracy of the digital type barometer is high, the digital type barometer can be approximately regarded as the actual air pressure in the pressure tank 20, and the user can adjust the air pressure in the pressure tank 20 according to the detection value of the digital type barometer. However, in the present application, the pressure of the pressure tank 20 is detected in real time by using an internal adjustment barometer, and in order to reduce the detection error as much as possible, the internal adjustment barometer is installed on the connecting pipe, and the detection end of the internal adjustment barometer is communicated with the inside of the connecting pipe, so as to measure the actual pressure in the pressure tank 20 in real time according to an external control instruction, and display the measurement result through a touch display screen.
The air pressure adjusting manner of the pressure tank 20 includes the following three types:
(1) the pressure tank 20 is provided with an air inlet hole as an air inlet and an air outlet hole as an air outlet, the air outlet hole is connected with the electromagnetic valve array, and the redundant air is discharged through the electromagnetic valve array to reduce the air pressure in the pressure tank 20.
(2) The air inlet hole is connected with a bubble pressure type water level meter, and when the bubble pressure type water level meter detects air pressure, air can be pumped into the pressure tank 20 at the same time, so that the air pressure in the pressure tank 20 is improved.
(3) The air inlet hole can also be connected with other external air transmission equipment, and the pressure tank 20 is inflated through the other external air transmission equipment, so that the air pressure in the pressure tank 20 is improved.
The mode that the bubble pressure type water level gauge that adopts to wait to detect inflates in to overhead tank 20 carries out atmospheric pressure and detects, combines solenoid valve array and relay array to carry out the exhaust operation to overhead tank 20, can realize the atmospheric pressure quick adjustment in the certain atmospheric pressure scope, obtains the measurement numerical value comparison result of bubble pressure type water level gauge and digital barometer under the different atmospheric pressure conditions fast, reduces the external possibility of carrying out frequent operation and interference to overhead tank 20.
The electromagnetic valve array is used as an exhaust device, and the gas discharge control precision of the electromagnetic valve array directly determines the gas pressure control precision in the pressure tank 20, so that the detection precision is indirectly influenced. In some examples, the array of solenoid valves includes a coarse tuning valve, a fine tuning valve, and a protection valve; the relay array comprises a coarse adjustment relay corresponding to the coarse adjustment valve, a fine adjustment relay corresponding to the fine adjustment valve and a protection relay corresponding to the protection valve. The air inlet end of the coarse adjustment valve is connected with the air outlet hole in a sealing mode through a connecting pipeline, and the air outlet end of the coarse adjustment valve is connected with the air inlet end of the fine adjustment valve in a sealing mode through a fourth air pipe.
The air inlet end of the protection valve is hermetically connected with the connecting pipeline, and the air outlet end is directly connected to the atmospheric environment as an air outlet end. When the air pressure in the pressure tank 20 exceeds the set maximum air pressure threshold, the protective valve is opened through the protective relay, the air in the pressure tank 20 is quickly released, the air pressure in the pressure tank 20 is quickly reduced, and the detection device is prevented from being damaged.
In practical application, when the exhaust is needed, the rough adjusting valve can be opened first, so that the gas enters the fourth gas pipe firstly, after the set waiting time, the fine adjusting valve is opened, the gas in the first gas pipe 21 is discharged to the atmosphere at a smaller discharge speed, and higher discharge control precision is realized. When the gas in the pressure tank 20 reaches the preset gas pressure threshold, in order to ensure the safety of the pressure tank 20, the excess gas in the pressure tank 20 may be rapidly discharged through the protection valve, so as to reduce the gas pressure in the pressure tank 20 as soon as possible. And adopt the relay array control solenoid valve array, can accomplish microsecond level's switching of opening and shutting state, further improve the atmospheric pressure control precision in the overhead tank 20.
In other examples, the trim valve may also be controlled by a transistor switch to achieve greater control accuracy.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (10)
1. A pressure tank installation device is characterized in that the pressure tank installation device is arranged at the bottom of the inner side of a tank body;
the pressure tank mounting device comprises a horizontal base, two sleeves, two stop blocks and a plurality of fasteners;
the horizontal base is fixed at the bottom of the inner side of the box body, a first groove used for bearing the pressure tank is arranged on the upper surface of the horizontal base, two ends of the bottom of the first groove are respectively provided with a second groove, the second grooves are positioned under the first grooves and are parallel to the first grooves, a rectangular through hole is arranged in the middle of a partition plate between each second groove and the corresponding first groove, and the width of each second groove is larger than that of the rectangular through hole;
the two sleeves are respectively sleeved at two ends of the pressure tank;
the two stop blocks comprise a first stop strip and a second stop strip which are vertically connected with each other, the first stop strips are embedded in the second grooves in a one-to-one correspondence manner, the second stop strips penetrate through the rectangular through holes and extend into the first grooves, the first stop strips are carried to move to the corresponding pressure tank end parts along the second grooves under the action of external horizontal force, and the pressure tank end parts are connected with the adjacent sleeves through fasteners; the size of the first stop bar is matched with that of the second groove, and the width of the second stop bar is matched with that of the rectangular through hole.
2. The pressure tank mounting arrangement of claim 1, wherein the first and second grooves are each rectangular in cross-section.
3. The pressure tank mounting arrangement of claim 1, wherein a resilient pad is laid on the upper surface of the floor of the first groove.
4. The pressure tank installation device according to claim 1, wherein the second groove is horizontally provided with a guide rail at the bottom, the guide rail extends in a direction parallel to the axial center line of the pressure tank, the bottom of the first blocking strip is provided with a sliding assembly, and the first blocking strip is installed on the guide rail through the sliding assembly and moves along the guide rail.
5. A bubble pressure type water level gauge detection device is characterized by comprising a box body, a touch display screen, a digital air gauge, an internal adjusting air gauge, an electromagnetic valve array, a relay array, a connecting pipeline and a pressure tank, wherein the touch display screen is arranged on the box body;
the box body is cuboid, an opening is formed in the upper surface of the box body, an upturned box cover is connected to one side of the opening, a plurality of horizontal supporting bases are distributed on the edge of the top of the box body, and the separation platform is detachably erected on the supporting bases;
the touch display screen and the display end of the digital barometer are arranged on the separation platform, and the touch display screen is used for inputting an external control instruction;
the detection end of the digital barometer, the electromagnetic valve array, the relay array and the pressure tank are fixed in a box body accommodating cavity below the separation platform;
the pressure tank is fixed at the bottom of the accommodating cavity of the box body by adopting a pressure tank mounting device as defined in any one of claims 1 to 4; the pressure tank is provided with an air inlet and an air outlet; the air inlet hole is hermetically connected with an air inlet pipe, one end of the air inlet pipe, which is not connected with the air inlet hole, extends to the upper part of the separation platform and is connected with an air pipe connector fixed on the separation platform, and the bubble type pressure type water level meter to be detected is connected with the air inlet pipe through the air pipe connector; the air outlet is respectively connected with the detection end of the digital barometer and the air inlet end of the electromagnetic valve array in a sealing way through connecting pipelines;
the internal regulation barometer is arranged on the connecting pipeline, the detection end of the internal regulation barometer is communicated with the inside of the connecting pipeline, the actual air pressure in the pressure tank is measured in real time according to an external control instruction, and the measurement result is displayed through the touch display screen;
the relay array is connected with the control end of the electromagnetic valve array, the opening and closing state of the electromagnetic valve array is switched according to an external control instruction, and partial gas in the pressure tank is released continuously or at intervals;
the control end of the bubble pressure type water level gauge detects the air pressure in the pressure tank in a mode of inflating the pressure tank at intervals according to an external control instruction, and the detection result is displayed through a touch display screen;
and the control end of the digital barometer synchronously detects the air pressure in the pressure tank with the bubble pressure type water level meter according to an external control instruction, and the detection result is displayed through the display end of the digital barometer.
6. The bubble pressure type water level gauge detecting device according to claim 5, wherein the connecting pipe is in a shaft shape, and has a first end portion and a second end portion along a longitudinal direction, the first end portion is provided with a first air hole, the first air hole is hermetically connected with the air outlet hole through a first air pipe, the second end portion is provided with a second air hole, and the second air hole is hermetically connected with the detecting end of the digital type air pressure gauge through a second air pipe;
the lateral wall of the connecting pipeline is provided with a third opening and a fourth opening, the third opening is connected with the air inlet end of the electromagnetic valve array in a sealing mode through a third air pipe, and the fourth opening is connected with the detection end of the internal regulation barometer through a fourth air pipe.
7. The bubble pressure type water level gauge detecting device according to claim 5, wherein the electromagnetic valve array comprises a rough adjusting valve, a fine adjusting valve and a protection valve; the relay array comprises a coarse adjustment relay corresponding to the coarse adjustment valve, a fine adjustment relay corresponding to the fine adjustment valve and a protection relay corresponding to the protection valve;
the air inlet end of the coarse adjustment valve is hermetically connected with the air outlet hole through a connecting pipeline, and the air outlet end of the coarse adjustment valve is hermetically connected with the air inlet end of the fine adjustment valve through a fourth air pipe;
and the air inlet end of the protection valve is hermetically connected with the connecting pipeline.
8. The detection device of claim 5, wherein the pressure tank is made of aluminum alloy.
9. The bubble pressure type water level gauge detecting device according to claim 5, wherein a plurality of clamping columns are circumferentially arranged on the inner side of the sleeve, the clamping columns form a supporting platform of the end of the pressure tank, a gas pipe containing part is formed by a plane formed by the clamping columns and the bottom of the sleeve, a gas pipe outlet is arranged on the top of the gas pipe containing part, and the gas inlet pipe and the first gas pipe respectively extend from the gas inlet hole and the gas outlet hole to the corresponding gas pipe containing parts and then extend to the outer side of the sleeve through the corresponding gas pipe outlets.
10. The bubble pressure type water level gauge detecting device according to claim 9, wherein an air tube fixing mechanism for fixing the air inlet tube and the first air tube is provided at the air tube outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022200836.XU CN213274493U (en) | 2020-09-30 | 2020-09-30 | Pressure tank installation device and bubble pressure type water level gauge detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117889933A (en) * | 2024-03-15 | 2024-04-16 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117889933A (en) * | 2024-03-15 | 2024-04-16 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
| CN117889933B (en) * | 2024-03-15 | 2024-05-31 | 河南豫科先进技术研究有限公司 | Natural river channel water level monitoring device |
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