CN209798889U - Pressure monitoring control system for water supply pipe network - Google Patents
Pressure monitoring control system for water supply pipe network Download PDFInfo
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- CN209798889U CN209798889U CN201920052148.8U CN201920052148U CN209798889U CN 209798889 U CN209798889 U CN 209798889U CN 201920052148 U CN201920052148 U CN 201920052148U CN 209798889 U CN209798889 U CN 209798889U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/15—Leakage reduction or detection in water storage or distribution
Abstract
The utility model provides a pressure monitoring control system for water supply pipe network, hydraulic pressure monitoring module in being used for real-time supervision pressure adjustment point water supply pipe, a control module for carrying out analysis processes to the pressure data that pressure monitoring module monitoring was gathered, a cloud platform system for backstage control and operation control, and be used for transmitting control module analysis processes's pressure data to cloud platform system's communication module, and be used for adjusting the aperture of relief pressure valve with the hydraulic valve adjusting device in regulation control pressure adjustment point low reaches, pressure monitoring module, communication module and valve adjusting device respectively with control module electric connection. The utility model provides a pipe network pressure regulation control accuracy that exists is low in the water supply pressure control of water supply network, and can't realize the self-adaptation regulation of pipe network pressure according to the downstream water pressure demand change of pressure regulation point, is difficult to ensure pressure regulation point low reaches water supply pressure balance, increases the problem of pipe network leakage and pipe network booster risk.
Description
Technical Field
The utility model belongs to the technical field of pipe network pressure monitoring, more specifically say, relate to a pressure monitoring control system for water supply pipe network.
Background
water supply pressure management of a water supply network is a key technical measure for reducing pipe network leakage and reducing pipe network explosion frequency. The water supply enterprise is at the water supply in-process to the water supply network point, and the water supply dispatch personnel need be according to the water pressure change condition of low reaches water supply pipe usually, through adjusting the outlet pressure who distributes decompression valve on each water supply pipe in the pipe network, realizes pipe network pressure control and management to the guarantee is located the balance and the water supply safety of each water supply pipe water supply pressure of water supply pipe low reaches. At present, the pipe network pressure of the water supply network mainly adopts two monitoring management modes of manual guarding and manual regulation of a pressure reducing valve and timing automatic regulation of the pressure reducing valve through a controller preset with a fixed target pressure value, and the pressure regulation and management are carried out on the water supply pressure of the water supply network. However, the two water pressure monitoring and management methods for the water supply network have the problem of low control precision of pipe network pressure regulation, and cannot realize the self-adaptive regulation of the pipe network pressure according to the change situation of the water supply pressure requirement of the downstream water supply pipeline of each pressure regulation point (the installation place of the pressure reducing valve), so that the method has higher risk of pipe network leakage and pipe network burst.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure monitoring control system for water supply pipe network aims at solving the pipe network pressure regulation control accuracy that exists among the prior art and is low, and can't realize the self-adaptive control of pipe network pressure according to the situation of change of each pressure regulation point low reaches water supply pipe water supply pressure demand, has the problem of the risk of higher pipe network leakage and pipe network booster.
For realizing the above-mentioned purpose, the utility model discloses a technical scheme provide a pressure monitoring control system for water supply pipe network, including be used for in the water supply pipe hydraulic pressure monitoring module of real-time supervision pressure regulation point low reaches, be used for right the pressure data that pressure monitoring module gathered carries out analysis processes's control module, be used for backstage control and operation control's cloud platform system and be used for with control module analysis processes's pressure data transmission extremely cloud platform system's communication module and be used for adjusting relief pressure valve aperture with regulation control the water hydraulic valve adjusting device of pressure regulation point low reaches, pressure monitoring module communication module with valve adjusting device respectively with control module electric connection.
Further, the valve adjusting device comprises a base, a straight stroke adjusting mechanism used for adjusting and controlling the opening degree of the pressure reducing valve, a driving motor and a transmission assembly, wherein the driving motor is used for driving the straight stroke adjusting mechanism to do straight reciprocating motion, and the driving motor is arranged on the base.
Further, the straight stroke adjusting mechanism comprises a nut sleeve, an adjusting screw engaged with the nut sleeve, and a limiting assembly for limiting circumferential rotation of the adjusting screw, the nut sleeve is rotatably mounted on the base, the limiting assembly is mounted on the base above the nut sleeve, the nut sleeve has a thread hole penetrating in the radial direction, the adjusting screw is arranged in the thread hole in a penetrating manner, the base is provided with a through hole for the adjusting screw to pass through, one end of the adjusting screw is movably connected with the limiting assembly, and the other end of the adjusting screw penetrates through the through hole and is connected with the pressure reducing valve; the transmission assembly comprises a driving gear and a driven gear in meshed fit with the driving gear, the driving gear is sleeved on an output shaft of the driving motor, and the driven gear is sleeved on the nut sleeve.
Furthermore, the nut sleeve comprises a convex ring and a necking sleeve connected with the convex ring, inner threads meshed with the adjusting screw are arranged in the necking sleeve, a plane bearing is arranged between the convex ring and the limiting assembly, and the adjusting screw penetrates through the plane bearing and the necking sleeve in sequence.
Furthermore, a bearing sleeve is sleeved on the necking sleeve, the driven gear is sleeved on the bearing sleeve, at least one positioning bearing is sleeved on the bearing sleeve, and the positioning bearings are sequentially arranged along the radial direction of the bearing sleeve.
Furthermore, a positioning sleeve used for positioning the adjusting screw rod is arranged on the base corresponding to the through hole, and the adjusting screw rod is inserted into the positioning sleeve in a sliding mode.
Further, the locating sleeve comprises a sleeve part and a fixing part which extends along the radial direction of the sleeve part, the fixing part is arranged on the base, one end, far away from the fixing part, of the sleeve part extends to the bottom end of the nut sleeve, and the adjusting screw rod is inserted into the sleeve in a sliding mode.
Further, the pressure monitoring module comprises a first pressure sensor and a second pressure sensor, the first pressure sensor is used for monitoring and collecting the water pressure in the water supply pipeline in front of the pressure reducing valve in real time, the second pressure sensor is used for monitoring and collecting the water pressure in the water supply pipeline behind the pressure reducing valve in real time, and the first pressure sensor and the second pressure sensor are respectively electrically connected with the control module.
Further, still including the pressure damping module that is used for stabilizing fluid pressure and eliminates water hammer effect, the pressure damping module is including setting up the first pressure damper on the water supply pipe in relief pressure valve the place ahead and setting up the second pressure damper on the water supply pipe in relief pressure valve rear, first pressure damper with first pressure sensor links to each other, the second pressure damper with second pressure sensor links to each other.
The pressure sensor is used for collecting pressure signals, the analog-to-digital conversion module is used for performing analog-to-digital conversion on the pressure signals collected by the first pressure sensor, the analog-to-digital conversion module comprises a first analog-to-digital converter and a second analog-to-digital converter, the first analog-to-digital converter is electrically connected with the first pressure sensor and the control module respectively, and the second analog-to-digital converter is electrically connected with the second pressure sensor and the control module respectively.
the utility model provides a pressure monitoring control system for water supply network's beneficial effect lies in: compared with the prior art, the pressure monitoring control system for the water supply network provided by the utility model is provided with the pressure monitoring module which monitors and collects the downstream pressure of the pressure regulating point of the water supply network in real time, and the communication module transmits the pressure data collected by the pressure monitoring module to the cloud platform system in real time; the cloud platform system carries out statistical analysis on the pressure data collected in all time periods to form a curve of the pressure data changing along with the time fluctuation, and carries out comparison analysis according to the curve of the pressure data changing along with the time fluctuation and a critical water supply pressure data model (the critical water supply pressure data model is a mathematical model established according to the change situation of the water consumption of a water supply network point where the pressure adjusting point is located in each time period in the past), and real-timely converts the judgment result of the comparison analysis into a corresponding control signal to be returned to the control module through the communication module, the control module controls the valve adjusting device to finely adjust the pressure reducing valve of the pressure adjusting point according to the online real-time monitoring judgment result of the cloud platform system, so that the self-adaptive adjustment and the self-adaptation of the pressure of a pipe network are realized according to the change situation of the real-time water supply pressure requirement of a water supply pipeline at, the precision and the efficiency of the pressure regulation control of the pipe network are improved.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a flow chart of functional modules of a pressure monitoring control system for a water supply pipe network according to an embodiment of the present invention;
Fig. 2 is a schematic front view of a pressure monitoring control system for a water supply pipe network according to an embodiment of the present invention;
Fig. 3 is a schematic side view of a pressure monitoring and controlling system for a water supply pipe network according to an embodiment of the present invention;
Fig. 4 is a schematic perspective view of a pressure monitoring control system for a water supply pipe network according to an embodiment of the present invention;
Fig. 5 is a schematic partial sectional structural view of a valve adjusting device according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a valve adjusting device according to an embodiment of the present invention;
Fig. 7 is an exploded schematic view of a valve adjusting device according to an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1-a pressure monitoring module; 11-a first pressure sensor; 12-a second pressure sensor; 2-a control module; 3-a cloud platform system; 4-a communication module; 5-valve regulating means; 51-a base; 52-a linear travel adjustment mechanism; 521-nut sleeves; 5211-a convex ring; 5212-a neck-reducing sleeve; 522-adjusting screw rod; 523-a spacing component; 5231-stop blocks; 5232-locating pins; 5233-a limiting groove; 53-drive motor; 54-a transmission assembly; 541-a driving gear; 542-driven gear; 55-plane bearings; 56-bearing sleeve; 57-positioning the bearing; 58-positioning sleeve; 581-sleeve part; 582-a fixation section; 6-a pressure damping module; 61-a first pressure damper; 62-a second pressure damper; 7-an analog-to-digital conversion module; 71-a first analog-to-digital converter; 72-a second analog-to-digital converter; 8-a locator; 9-pressure reducing valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 4, a pressure monitoring and controlling system for a water supply pipe network according to the present invention will now be described. The embodiment of the utility model provides a pressure monitoring control system for water supply pipe network, including being used for hydraulic pressure monitoring module 1 in real-time supervision pressure adjustment point (the place of relief pressure valve 9 installation) low reaches water supply pipe, a control module 2 for carrying out analysis processes to the pressure data of 1 monitoring collection of pressure monitoring module, a cloud platform system 3 for backstage control and operation control, and be used for transmitting the pressure data of 2 analysis processes of control module to cloud platform system 3's communication module 4, and be used for adjusting the aperture of relief pressure valve 9 with the hydraulic valve adjusting device 5 of regulation control pressure adjustment point (the place of relief pressure valve 9 installation) low reaches, pressure monitoring module 1, communication module 4 and valve adjusting device 5 respectively with 2 electric connection of control module.
Specifically, the valve adjusting device 5 of the present embodiment employs an electrically controlled fully automatic valve adjusting device 5, and the pressure reducing valve 9 employs a pilot type pipe control valve whose opening degree (the degree of clutching at which the pressure reducing valve 9 is opened) can be accurately controlled.
The embodiment of the utility model provides a basic work principle that is used for water supply network's pressure monitoring control system: the demand of water supply pressure in the water supply pipeline at the downstream of the pressure adjusting point of the water supply network is fluctuated along with the change of water consumption of the water supply network point. Set up pressure monitoring module 1 real-time supervision in the water supply pipe and gather the pressure signal in the water supply pipe network pressure regulation point low reaches water supply pipe, and transmit pressure signal to control module 2, control module 2 carries out data analysis and processing to the pressure signal that pressure monitoring module 1 gathered, communication module 4 transmits the real-time pressure data after control module 2 analysis and processing to cloud platform system 3 in real time, cloud platform system 3 stores the pressure data of this pressure regulation point (the place of relief pressure valve 9 installation) low reaches and carries out statistical analysis to the pressure data of gathering in all time quantums, in order to form the curve of pressure data fluctuation along with time. The cloud platform system 3 judges whether the pressure value at the downstream of the pressure adjusting point (the installation place of the pressure reducing valve 9) accords with a critical water supply pressure data model according to the curve of the pressure data changing along with the fluctuation of time (the critical water supply pressure data model is a mathematical model established according to the change condition of the water consumption of the water supply network point where the pressure adjusting point is located in each past time period), converts the judgment result into a corresponding real-time control signal and then transmits the real-time control signal back to the control module 2 through the communication module 4, the control module 2 controls the valve adjusting device 5 according to the online real-time monitoring judgment result of the cloud platform system 3 to judge whether the pressure reducing valve 9 of the pressure adjusting point needs to be adjusted, thereby realizing the self-adaptive adjustment of the pressure of a pipe network according to the change condition of the real-time water supply pressure requirement of the downstream water, the precision and the efficiency of the pressure regulation control of the pipe network are improved.
Compared with the prior art, the pressure monitoring control system for the water supply pipe network is provided with the pressure monitoring module 1 for monitoring and acquiring the downstream pressure of the pressure regulation point of the water supply pipe network in real time, and the communication module 4 transmits the pressure data acquired by the pressure monitoring module 1 to the cloud platform system 3 in real time; the cloud platform system 3 carries out statistical analysis on the pressure data collected in all time periods to form a curve of the pressure data changing along with the time fluctuation, and carries out comparison analysis according to the curve of the pressure data changing along with the time fluctuation and a critical water supply pressure data model (the critical water supply pressure data model is a mathematical model established according to the change situation of the water consumption of the water supply network point where the pressure adjusting point is located in each time period in the past), and real-timely converts the judgment result of the comparison analysis into a corresponding control signal and transmits the control signal back to the control module 2 through the communication module 4, the control module 2 controls the valve adjusting device 5 to finely adjust the pressure reducing valve 9 of the pressure adjusting point according to the online real-time monitoring judgment result of the cloud platform system 3, thereby realizing the self-adaptive adjustment of the pipe network pressure according to the change situation of the real-time water supply pressure requirement of the, the risk of pipe network leakage and pipe network pipe explosion is reduced, and the precision and the efficiency of pipe network pressure regulation control are improved.
Further, please refer to fig. 5 to fig. 7 together, as a specific embodiment of the pressure monitoring and controlling system for a water supply pipe network provided by the present invention, the valve adjusting device 5 includes a base 51, a straight stroke adjusting mechanism 52 for adjusting and controlling the opening degree of the pressure reducing valve 9 (the opening and closing degree of the valve of the pressure reducing valve 9), and a driving motor 53 and a transmission assembly 54 for driving the straight stroke adjusting mechanism 52 to perform a linear reciprocating motion, wherein the driving motor 53 is disposed on the base 51; the straight stroke adjusting mechanism 52 comprises a nut sleeve 521, an adjusting screw 522 meshed and matched with the nut sleeve 521, and a limiting component 523 used for limiting the circumferential rotation of the adjusting screw 522, the nut sleeve 521 is rotatably installed on the base 51, the limiting component 523 is installed above the corresponding nut sleeve 521 on the base 51, the nut sleeve 521 is provided with a thread hole penetrating along the radial direction, the adjusting screw 522 is arranged in the thread hole of the nut sleeve 521 in a penetrating manner, the base 51 is provided with a through hole for the adjusting screw 522 to penetrate through, the through hole on the base 51 corresponds to the thread hole of the nut sleeve 521 in position, one end of the adjusting screw 522 is movably connected with the limiting component 523, and the other end of the adjusting screw 522 penetrates through the through hole on the base 51 and is used for being connected with an adjusting valve rod of the; the transmission assembly 54 includes a driving gear 541 and a driven gear 542 engaged with the driving gear 541, the driving gear 541 is sleeved on the output shaft of the driving motor 53, and the driven gear 542 is sleeved on the nut sleeve 521.
Preferably, the driving motor 53 is a stepping motor which controls the angular displacement by controlling the number of pulses to achieve accurate positioning, and the driving motor 53 can drive the adjusting screw 522 to precisely adjust and control the opening of the pressure reducing valve 9, so as to precisely adjust and control the water pressure of a water supply pipeline (downstream of the pressure adjusting point) behind the pressure reducing valve 9.
the basic operating principle of the valve actuating device 5 of the present exemplary embodiment is: the driving motor 53 is powered on, the control module 2 sends a control command to control the rotation of the output shaft of the driving motor 53, the driving gear 541 on the output shaft of the driving motor 53 drives the driven gear 542 to rotate, the driven gear 542 drives the nut sleeve 521 rotatably mounted on the base 51 to rotate, and the adjusting screw 522 penetrating through the thread hole of the nut sleeve 521 cannot rotate circumferentially under the limiting action of the limiting piece, so that the adjusting screw 522 is prevented from generating large torque to damage the pressure reducing valve 9. Under the meshing fit of the thread hole of the nut sleeve 521 and the external thread of the adjusting screw rod 522, the adjusting screw rod 522 can make straight reciprocating stroke motion along the radial direction of the nut sleeve 521 only by controlling the forward and reverse rotation of the driving motor 53 through the control module 2, so that the pressure reducing valve 9 can be opened or closed through the adjusting screw rod 522 making straight stroke motion along the radial direction of the nut sleeve 521.
The valve adjusting device 5 of the embodiment drives the nut sleeve 521 rotatably mounted on the base 51 through the driving motor 53 to rotate, under the matching of the nut sleeve 521 and the adjusting screw 522, the adjusting screw 522 can make linear reciprocating straight-stroke motion along the radial direction of the nut sleeve 521 only by controlling the forward and reverse rotation of the driving motor 53 through the control module 2, the opening degree of the pressure reducing valve 9 mounted on the water supply pipeline is accurately adjusted and controlled, the purpose of accurately adjusting and controlling the water pressure of the water supply pipeline (downstream of a pressure adjusting point) behind the pressure reducing valve 9 is achieved, and the automation degree and the adjusting and controlling precision are high.
Further, please refer to fig. 1 together, as a specific embodiment of the pressure monitoring and controlling system for a water supply pipe network provided by the present invention, the nut sleeve 521 includes a convex ring 5211 and a neck bush 5212 connected with the convex ring 5211, an inner screw thread engaged with the adjusting screw 522 is provided in the neck bush 5212, a plane bearing is provided between the convex ring 5211 and the limiting component 523, and the adjusting screw 522 sequentially penetrates through the plane bearing and the neck bush 5212. The plane bearing 55 is arranged between the convex ring 5211 and the limiting component 523 to reduce friction generated between the T-shaped nut sleeve 521 and the limiting component 523 when the T-shaped nut sleeve 521 rotates, enhance the flexibility of rotation of the nut sleeve 521, and improve the adjustment control precision of the automatic valve adjusting device.
Further, please refer to fig. 6 together, as the specific implementation of the pressure monitoring and controlling system for a water supply pipe network provided by the present invention, the bearing housing 56 is sleeved on the necking sleeve 5212 of the nut sleeve 521, the driven gear 542 is sleeved on the bearing housing 56, at least one positioning bearing 57 is sleeved on the bearing housing 56, and each positioning bearing 57 is sequentially arranged along the radial direction of the bearing housing 56. The necking sleeve 5212 of the nut sleeve 521 is provided with the bearing sleeve 56 and a plurality of positioning bearings 57 matched with the bearing sleeve 56, so that the rotation flexibility of the nut sleeve 521 can be enhanced, the concentricity of the nut sleeve 521 during rotation around the central shaft of the nut sleeve 521 can be ensured, slight angular deflection of the nut sleeve 521 during rotation is prevented, and the adjustment control precision of the automatic valve adjusting device is improved
Further, please refer to fig. 5 together, as the utility model provides a pressure monitoring control system's for water supply network embodiment, the position that corresponds the through-hole on the base 51 is provided with the position sleeve 58 that is used for fixing a position adjusting screw 522, and adjusting screw 522 slides and inserts in the trepanning of position sleeve 58 to link to each other with the adjusting valve rod of relief pressure valve 9, have good concentricity when guaranteeing the straight-line motion of adjusting screw 522, prevent that adjusting screw 522 is used for connecting the one end of relief pressure valve 9 adjusting valve rod. Slight deflection occurs during linear stroke movement to influence the adjustment control precision of the automatic valve adjusting device, and meanwhile, the stability and the reliability of the adjustment control of the adjusting screw 522 on the pressure reducing valve 9 are enhanced.
Further, please refer to fig. 5 together, as a specific embodiment of the pressure monitoring and controlling system for a water supply pipe network provided by the present invention, the positioning sleeve 58 includes a sleeve part 581 and a fixing part 582 radially extending along the sleeve part 581, the fixing part 582 is disposed on the base 51, one end of the sleeve part 581, which is far away from the fixing part 582, extends to the bottom end of the nut sleeve 521, the adjusting screw 522 is slidably inserted into the sleeve part 581 of the positioning sleeve 58 and is connected to the adjusting valve rod of the pressure reducing valve 9, so as to ensure that the adjusting screw 522 has good concentricity with the central axis of the nut sleeve 521 when making linear motion, prevent the nut sleeve 521 from slight angular deflection during rotation to affect the adjusting and controlling precision of the valve automatic adjusting device, and enhance the stable and reliable performance of the adjusting screw 522 for the pressure reducing valve 9.
Further, please refer to fig. 6 together, as the utility model provides a pressure monitoring control system's for water supply pipe network embodiment, limit component 523 includes stopper 5231 and locating pin 5232 installed directly over corresponding nut sleeve 521 on base 51, and the one end that adjusting screw 522 kept away from base 51 is provided with locating pin 5232, and locating pin 5232 and adjusting screw 522 become the right angle and link to each other, and stopper 5231 is provided with the spacing groove 5233 that is used for holding locating pin 5232, and locating pin 5232 activity sets up in spacing groove 5233. Under the action of the positioning pin 5232 and the limiting groove 5233 of the limiting block 5231, the adjusting screw 522 cannot rotate circumferentially around the central axis thereof but can only reciprocate linearly along the axial direction thereof, so that the adjusting screw 522 is prevented from generating large torque under the driving of the rotation of the nut sleeve 521 to cause sprain damage to the pressure reducing valve 9, and the stability, reliability and accuracy of the adjustment control of the adjusting screw 522 on the pressure reducing valve 9 are reduced.
Further, please refer to fig. 4 together, as the utility model provides a specific implementation for a pressure monitoring control system for water supply network, pressure monitoring module 1 is including being used for carrying out real-time supervision and the first pressure sensor 11 of gathering to water pressure in the 9 the place ahead water supply pipe of relief pressure valve (pressure regulation point upper reaches) and being used for carrying out real-time supervision and the second pressure sensor 12 of gathering to water pressure in the 9 rear water supply pipe of relief pressure valve (pressure regulation point lower reaches), first pressure sensor 11 and second pressure sensor 12 respectively with 2 electric connection of control module. Firstly, a first pressure sensor 11 monitors and acquires a first pressure in a water supply pipeline (upstream of a pressure adjusting point) in front of a pressure reducing valve 9 in real time, a second pressure sensor 12 monitors and acquires a second pressure in the water supply pipeline (downstream of the pressure adjusting point) behind the pressure reducing valve 9 in real time, and the first pressure and the second pressure acquired in real time are respectively transmitted to a control module 2; then the control module 2 compares the first pressure received in real time with the second pressure, if the first pressure value is greater than or equal to the second pressure value, the water flow and the water pressure in the water supply pipeline tend to be normal, the control module 2 sends a control command to control the valve adjusting device 5 to adjust the opening of the pressure reducing valve 9 until the second pressure sensor 12 detects that the water pressure in the water supply pipeline behind the pressure reducing valve 9 (downstream of the pressure adjusting point) reaches the pressure value required by the actual water supply pressure, the control module 2 sends a control command to control the valve adjusting device 5 to stop adjusting the opening of the pressure reducing valve 9, so that the water pressure in the water supply pipeline behind the pressure reducing valve 9 (downstream of the pressure adjusting point) is self-adapted and accurately adjusted in real time, and the balance of the water supply pressure and the water supply safety of the water supply pipeline behind the pressure reducing valve 9 (downstream of the pressure, the phenomenon that the water supply flow is insufficient or the water supply pressure is unbalanced in a water supply pipeline (downstream of a pressure adjusting point) behind the pressure reducing valve 9 is avoided. If, once during the adjustment of the opening degree of the pressure-reducing valve 9 by the valve adjusting means 5, an abnormal situation occurs in which the first pressure value is less than the second pressure value, it indicates that the opening of the pressure reducing valve 9 is immediately controlled by the valve adjusting device 5 after the abnormal pressure change condition is received by the control module 2 caused by the rapid and abnormal increase of the water pressure in the water supply pipeline behind the pressure reducing valve 9 (downstream of the pressure adjusting point) due to the rapid change of the water flow in the water supply pipeline behind the pressure reducing valve 9 (downstream of the pressure adjusting point) caused by the high-pressure water flow in the water supply pipeline in front of the pressure reducing valve 9 (upstream of the pressure adjusting point) due to the opening and closing of the pressure reducing valve 9, the destructive water hammer effect on the water supply pipeline behind the pressure reducing valve 9 is avoided, and the water supply pipeline behind the pressure reducing valve 9 is effectively prevented from being exploded due to the continuous water hammer effect to cause great economic loss; after the water pressure in the water supply pipeline behind the pressure reducing valve 9 tends to be stable and the normal condition that the first pressure value is larger than or equal to the second pressure value is recovered, the control module 2 sends a control command to control the valve adjusting device 5 to adjust the opening of the pressure reducing valve 9 until the second pressure sensor 12 detects that the water pressure in the water supply pipeline behind the pressure reducing valve 9 reaches a preset target pressure value, and the control module 2 sends a control command to control the valve adjusting device 5 to stop adjusting the opening of the pressure reducing valve 9, so that the water pressure in the water supply pipeline behind the pressure reducing valve 9 is accurately adjusted in real time, and the balance of the water supply pressure of the water supply pipeline behind the pressure reducing valve 9 and the. In addition, set up first pressure sensor 11 and second pressure sensor 12 in the water supply pipe who is located relief pressure valve 9 the place ahead respectively with be located the water supply pipe behind relief pressure valve 9 in, through carrying out reference contrastive analysis with the water pressure (preceding pressure) in the place ahead of relief pressure valve 9 and the water pressure (back pressure) behind relief pressure valve 9, can also avoid adjusting the in-process to the aperture of relief pressure valve 9 at valve adjusting device 5, judge the instantaneous high pressure that "water hammer effect" caused easily as the misjudgement of the water pressure (back pressure) behind relief pressure valve 9, lead to the water pressure (back pressure) behind relief pressure valve 9 finally to be less than predetermined target pressure value, make appear in the water supply pipe behind relief pressure valve 9 that supply water flow is not enough or supply water pressure unbalanced phenomenon, thereby effectively improved the precision of supply water pressure regulation control.
Preferably, the first pressure sensor 11 and the second pressure sensor 12 respectively adopt high-precision solid-state strain gauge type pressure sensors, and the first pressure sensor 11 and the second pressure sensor 12 can also adopt silicon piezoresistive pressure probes to acquire pressure signals, and adopt the solid-state strain gauge type pressure sensors and the silicon piezoresistive pressure probes to acquire pressure signals, so that the measurement precision is high, and the measurement range is wide. Of course, the first pressure sensor 11 and the second pressure sensor 12 may also be other high-precision pressure sensors, which may be selected according to the actual measurement precision and the working requirement, and are not limited herein
Further, please refer to fig. 4 together, as the utility model provides a pressure monitoring control system for water supply network's embodiment, still including the pressure damping module 6 that is used for stabilizing fluid pressure and eliminates the water hammer effect, pressure damping module 6 is including setting up the first pressure damper 61 on the water supply pipe in the place ahead of relief pressure valve 9 and setting up the second pressure damper 62 on the water supply pipe in the rear of relief pressure valve 9, first pressure damper 61 links to each other with first pressure sensor 11, second pressure damper 62 links to each other with second pressure sensor 12. A first pressure damper 61 and a second pressure damper 62 are respectively arranged in a water supply pipeline positioned in front of the pressure reducing valve 9 and a water supply pipeline positioned behind the pressure reducing valve 9, after the water pressure in the water supply pipeline in front of the pressure reducing valve 9 and the water supply pipeline behind the pressure reducing valve 9 is stabilized and the water hammer effect is eliminated through the first pressure damper 61 and the second pressure damper 62, the first pressure sensor 11 and the second pressure sensor 12 are respectively used for monitoring and acquiring corresponding pressure data, the influence of large-amplitude water pressure fluctuation formed by the water hammer effect on the accuracy of the pressure data acquired by the first pressure sensor 11 and the second pressure sensor 12 is reduced, the accuracy of the pressure data acquisition of the first pressure sensor 11 and the second pressure sensor 12 is improved, and the accuracy of water supply pressure regulation and control is further improved; meanwhile, the first pressure sensor 11 and the second pressure sensor 12 can be effectively prevented from being damaged by destructive water hammer effect formed by water hammer effect, and the stability and reliability of the working performance of the pressure transmitter are enhanced.
Further, please refer to 1 together, as the utility model provides a pressure monitoring control system for water supply pipe network's embodiment, still include the analog-to-digital conversion module 7 that is used for carrying out analog-to-digital conversion respectively with the pressure analog electric signal that first pressure sensor 11 and second pressure sensor 12 gathered, analog-to-digital conversion module 7 includes first analog-to-digital converter 71 and second analog-to-digital converter 72, first analog-to-digital converter 71 respectively with first pressure sensor 11 and 2 electric connection of control module, second analog-to-digital converter 72 respectively with second pressure sensor 12 and 2 electric connection of control module. In the embodiment, the pressure analog electric signals collected by the first pressure sensor 11 and the second pressure sensor 12 are respectively subjected to analog-to-digital conversion through the first analog-to-digital converter 71 and the second analog-to-digital converter 72, so that the pressure analog electric signals monitored and collected by the first pressure sensor 11 and the second pressure sensor 12 are quickly and accurately converted into the pressure data represented by numbers, the speed and the accuracy of pressure data processing and analysis of the central controller are improved, and the accuracy of the pressure monitoring and controlling system for the water supply network in regulating and controlling the water pressure in the water supply pipeline is improved.
further, please refer to fig. 1 together, as the specific implementation of the pressure monitoring control system for a water supply pipe network provided by the present invention, further comprising a positioner 8 for positioning a pressure adjusting point (an installation location of the pressure reducing valve 9) of the pipe network, the positioner 8 being electrically connected to the control module 2.
Specifically, the locator 8 includes a GPS/BDS module and a GPS/BDS antenna 81 electrically connected to the GPS/BDS module. During operation, based on GPS/BDS's locator 8 and carry out automatic positioning to the concrete position of pipe network pressure adjustment point (the installation site of relief pressure valve 9), and send the accurate position coordinate that locator 8 acquireed to cloud platform system 3 through communication module 4, for the geographical position of automatic positioning pipe network pressure adjustment point (the installation site of relief pressure valve 9) on monitored control system's map of supply water scheduling personnel, it does not have position information feedback function to have solved pipe network pressure adjustment point (the installation site of relief pressure valve 9), can't carry out accurate positioning to pipe network pressure adjustment point (the installation site of relief pressure valve 9), and bring inconvenience and difficult problem for the accurate regulation and control and the scientific scheduling management of the water supply pressure of target water supply pipe network.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pressure monitoring control system for a water supply network, characterized by: including be used for the hydraulic pressure monitoring module in the real-time supervision pressure regulation point low reaches water supply pipeline, be used for right the pressure data that pressure monitoring module gathered carry out analysis processes's control module, be used for backstage control and operation control's cloud platform system and be used for with control module analysis processes's pressure data transmission extremely cloud platform system's communication module and be used for adjusting relief pressure valve aperture are with regulation control the hydraulic valve adjusting device of pressure regulation point low reaches, pressure monitoring module communication module with valve adjusting device respectively with control module electric connection.
2. A pressure monitoring and control system for a water supply network as claimed in claim 1 wherein: the valve adjusting device comprises a base, a straight stroke adjusting mechanism used for adjusting and controlling the opening degree of the pressure reducing valve, and a driving motor and a transmission assembly used for driving the straight stroke adjusting mechanism to do straight reciprocating motion, wherein the driving motor is arranged on the base.
3. A pressure monitoring and control system for a water supply network as claimed in claim 2 wherein: the straight stroke adjusting mechanism comprises a nut sleeve, an adjusting screw rod in meshed fit with the nut sleeve and a limiting assembly for limiting the adjusting screw rod to rotate circumferentially, the nut sleeve is rotatably mounted on the base, the limiting assembly is mounted above the nut sleeve on the base correspondingly, the nut sleeve is provided with a thread hole penetrating along the radial direction, the adjusting screw rod is arranged in the thread hole in a penetrating manner, the base is provided with a through hole for the adjusting screw rod to penetrate through, one end of the adjusting screw rod is movably connected with the limiting assembly, and the other end of the adjusting screw rod penetrates through the through hole and is connected with the pressure reducing valve; the transmission assembly comprises a driving gear and a driven gear in meshed fit with the driving gear, the driving gear is sleeved on an output shaft of the driving motor, and the driven gear is sleeved on the nut sleeve.
4. A pressure monitoring and control system for a water supply network as claimed in claim 3 wherein: the nut sleeve comprises a convex ring and a necking sleeve connected with the convex ring, inner threads matched with the adjusting screw in a meshing mode are arranged in the necking sleeve, a plane bearing is arranged between the convex ring and the limiting assembly, and the adjusting screw penetrates through the plane bearing and the necking sleeve in sequence.
5. A pressure monitoring and control system for a water supply network as claimed in claim 4 wherein: the necking sleeve is sleeved with a bearing sleeve, the driven gear is sleeved on the bearing sleeve, the bearing sleeve is sleeved with at least one positioning bearing, and the positioning bearings are sequentially arranged along the radial direction of the bearing sleeve.
6. A pressure monitoring and control system for a water supply network as claimed in claim 3 wherein: and a positioning sleeve for positioning the adjusting screw rod is arranged on the base corresponding to the through hole, and the adjusting screw rod is inserted into the positioning sleeve in a sliding manner.
7. A pressure monitoring and control system for a water supply network as set forth in claim 6 wherein: the positioning sleeve comprises a sleeve part and a fixing part which extends along the radial direction of the sleeve part, the fixing part is arranged on the base, one end of the sleeve part, far away from the fixing part, extends to the bottom end of the nut sleeve, and the adjusting screw rod is inserted into the sleeve in a sliding mode.
8. A pressure monitoring and control system for a water supply network as claimed in claim 1 wherein: the pressure monitoring module comprises a first pressure sensor and a second pressure sensor, the first pressure sensor is used for monitoring and collecting the water pressure in the water supply pipeline in front of the pressure reducing valve in real time, the second pressure sensor is used for monitoring and collecting the water pressure in the water supply pipeline behind the pressure reducing valve in real time, and the first pressure sensor and the second pressure sensor are respectively electrically connected with the control module.
9. A pressure monitoring and control system for a water supply network as set forth in claim 8 wherein: still including being used for stabilizing fluid pressure and eliminating the pressure damping module of water hammer effect, the pressure damping module is including setting up the first pressure damper on the water supply pipe in relief pressure valve the place ahead and setting up the second pressure damper on the water supply pipe at relief pressure valve rear, first pressure damper with first pressure sensor links to each other, the second pressure damper with second pressure sensor links to each other.
10. A pressure monitoring and control system for a water supply network as set forth in claim 8 wherein: the pressure sensor is characterized by further comprising an analog-digital conversion module used for performing analog-digital conversion on the pressure signals collected by the first pressure sensor, wherein the analog-digital conversion module comprises a first analog-digital converter and a second analog-digital converter, the first analog-digital converter is electrically connected with the first pressure sensor and the control module respectively, and the second analog-digital converter is electrically connected with the second pressure sensor and the control module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052148.8U CN209798889U (en) | 2019-01-11 | 2019-01-11 | Pressure monitoring control system for water supply pipe network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920052148.8U CN209798889U (en) | 2019-01-11 | 2019-01-11 | Pressure monitoring control system for water supply pipe network |
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| CN209798889U true CN209798889U (en) | 2019-12-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207881A (en) * | 2020-01-08 | 2020-05-29 | 安徽逻根农业科技有限公司 | Water pressure monitoring system |
| CN111894083A (en) * | 2020-08-10 | 2020-11-06 | 贺俊威 | Pipe network pressure-superposed water supply equipment |
| CN117196159A (en) * | 2023-11-07 | 2023-12-08 | 山东辰智电子科技有限公司 | Intelligent water service partition metering system based on Internet big data analysis |
-
2019
- 2019-01-11 CN CN201920052148.8U patent/CN209798889U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207881A (en) * | 2020-01-08 | 2020-05-29 | 安徽逻根农业科技有限公司 | Water pressure monitoring system |
| CN111894083A (en) * | 2020-08-10 | 2020-11-06 | 贺俊威 | Pipe network pressure-superposed water supply equipment |
| CN117196159A (en) * | 2023-11-07 | 2023-12-08 | 山东辰智电子科技有限公司 | Intelligent water service partition metering system based on Internet big data analysis |
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Address after: 518000 3203, block D, building 1, Section 1, Chuangzhi Yuncheng, Liuxian Avenue, Xili community, Xili street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Tuoan Trust Internet of Things Co.,Ltd. Address before: 518000 Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ANSO MEASUREMENT & CONTROL INSTRUMENTS CO.,LTD. |