CN114636394B - Hyperbolic cooling tower deformation risk online monitoring method and special system thereof - Google Patents
Hyperbolic cooling tower deformation risk online monitoring method and special system thereof Download PDFInfo
- Publication number
- CN114636394B CN114636394B CN202210248624.XA CN202210248624A CN114636394B CN 114636394 B CN114636394 B CN 114636394B CN 202210248624 A CN202210248624 A CN 202210248624A CN 114636394 B CN114636394 B CN 114636394B
- Authority
- CN
- China
- Prior art keywords
- microwave
- cooling tower
- receiver
- controller
- hyperbolic cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 50
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/06—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention provides a hyperbolic cooling tower deformation risk online monitoring method and a special system thereof, which are used for solving the problem that a system for monitoring the cooling tower deformation risk in real time cannot be effectively performed at present. Adjusting angles and positions of the microwave emitter and the microwave receiver on the top circumference and the bottom circumference of the hyperbolic cooling tower respectively, so that the microwave emitter and the microwave receiver are respectively positioned at the top end and the bottom end of a curved surface base line of the hyperbolic cooling tower, and the microwave receiver can receive microwave signals sent by the microwave emitter; the controller controls the microwave emitter and the microwave receiver to synchronously move along the top circumference and the bottom circumference of the hyperbolic cooling tower respectively, simultaneously controls the microwave emitter to emit microwave signals to the microwave receiver and monitors whether the microwave receiver can receive the microwave signals, and judges that the hyperbolic cooling tower is deformed if the microwave receiver can not receive the microwave signals.
Description
Technical Field
The invention relates to the technical field of coal electric cooling, in particular to a hyperbolic cooling tower deformation risk online monitoring method and a special system thereof.
Background
The cooling tower is one of important supporting items of the power plant, and the structure of the cooling tower has the characteristics of high size, thin wall, variable diameter, variable cross section, curved surface and the like, and has the advantages of high technological requirements, wide working influence range and similar hyperbolic structures in structural forms. However, the hyperbolic cooling tower is affected by dead weight, wind load and stratum activity, deformation can be generated after long-term use, and when the deformation exceeds a preset design value, the cooling tower can be stopped for maintenance and reconstruction for the purpose of safe production and even is subjected to dismantling and reconstruction, but no system for real-time assessment and monitoring of the deformation risk of the cooling tower exists in the field at present.
Disclosure of Invention
Aiming at the problems, the invention provides an online monitoring method for deformation risk of a hyperbolic cooling tower, which can solve the problem that a system for effectively monitoring the deformation risk of the cooling tower in real time is not available in the field. To this end, the invention also provides a special monitoring system.
A hyperbolic cooling tower deformation risk on-line monitoring method is characterized in that: which comprises the following steps:
step one, arranging a microwave emitter on the top circumference of a hyperbolic cooling tower and arranging a microwave receiver on the bottom circumference of the hyperbolic cooling tower;
initializing and setting: adjusting angles and positions of the microwave emitter and the microwave receiver on the top circumference and the bottom circumference of the hyperbolic cooling tower respectively, so that the microwave emitter and the microwave receiver are respectively positioned at the top end and the bottom end of a curved surface base line of the hyperbolic cooling tower, and the microwave receiver can receive microwave signals sent by the microwave emitter;
and thirdly, the controller controls the microwave emitter and the microwave receiver to synchronously move along the top circumference and the bottom circumference of the hyperbolic cooling tower respectively, meanwhile, the controller controls the microwave emitter to emit microwave signals to the microwave receiver and monitors whether the microwave receiver can receive the microwave signals, and if the controller monitors that the microwave receiver can not receive the microwave signals, the controller judges that the hyperbolic cooling tower is deformed.
Further, after the initialization device is completed, the controller collects and records initial position information of the microwave emitter and the microwave receiver, and calculates an initial distance L between the microwave emitter and the microwave receiver according to the initial position information Initially, the method comprises The method comprises the steps of carrying out a first treatment on the surface of the In the operation process of the third step, the controller collects real-time relative positions of the microwave emitter and the microwave receiver through the sensor assembly, and calculates the position between the microwave emitter and the microwave receiver according to the real-time relative positionsAnd comparing said real-time relative distance L with said initial distance L Initially, the method comprises If 0 is less than or equal to |L-L Initially, the method comprises The controller judges that the hyperbolic cooling tower is not deformed if the I is less than or equal to delta; if |L-L Initially, the method comprises The controller judges that the hyperbolic cooling tower is deformed when the I is more than delta; wherein the parameter delta is a deformation control threshold preset in the controller.
According to a further preferred technical scheme, the sensor assembly comprises a positioning sensor which is respectively arranged on the microwave emitter and the microwave receiver and can synchronously move along with the microwave emitter and the microwave receiver, and a positioning receiver which is arranged on the controller, wherein the controller is arranged at the geometric center of the top circumference of the hyperbolic cooling tower; the positioning sensor and the positioning receiver are electrically connected with the controller.
Further, the positioning sensor is any one of a displacement sensor and an angle encoder.
The invention discloses a special system for a hyperbolic cooling tower deformation risk online monitoring method, which comprises a hyperbolic cooling tower with a top circumference and a bottom circumference, and is characterized in that: the microwave cooling tower comprises a hyperbolic cooling tower body, a controller, a microwave emitter, a microwave receiver, a roller mechanism and a controller, wherein the microwave emitter is movably arranged on the inner peripheral surface of the top circumference of the hyperbolic cooling tower body through the roller mechanism, the microwave receiver is movably arranged on the inner peripheral surface of the bottom circumference of the hyperbolic cooling tower body through the roller mechanism, the microwave emitter, the microwave receiver and the roller mechanism are respectively and electrically connected with the controller, the microwave emitter and the microwave receiver are respectively arranged at two ends of a curved surface base line of the hyperbolic cooling tower body in the initial state of system operation, the microwave receiver can just receive signals sent by the microwave emitter at the moment, the controller can respectively control the two roller mechanisms in the operation process of the system so that the microwave emitter and the microwave receiver respectively and all move in a ring shape along the top circumference and the bottom circumference, and the controller monitors whether the microwave receiver can receive microwave signals sent by the microwave emitter or not in real time, and if the controller monitors that the microwave receiver can not receive the microwave signals, the controller determines that the hyperbolic cooling tower can generate.
Further, the device also comprises a sensor assembly, wherein the sensor assembly comprises a positioning sensor and a positioning receiver, the two roller mechanisms used for setting the microwave emitter and the microwave receiver are respectively provided with the positioning sensor, the positioning receiver is arranged on the controller, the controller is arranged at the geometric center of the top circumference of the hyperbolic cooling tower, and the positioning sensor and the positioning receiver are electrically connected with the controller.
Still further, the positioning sensor is any one of a displacement sensor or an angle encoder.
Further, the inner peripheral surface of the top circumference of the hyperbolic cooling tower is provided with a top annular rail, the inner peripheral surface of the bottom circumference is provided with a bottom annular rail, the controller is arranged at the geometric center of the top circumference of the hyperbolic cooling tower, and the microwave emitter and the microwave receiver are respectively and movably arranged on the top annular rail and the bottom annular rail through the roller mechanisms.
Further, the top annular rail and the bottom annular rail are I-shaped rails with I-shaped sections; the top annular rail and the bottom annular rail are respectively arranged on the top circumference of the hyperbolic cooling tower and the bottom circumference of the hyperbolic cooling tower through a top annular supporting beam and a bottom annular supporting beam; the microwave emitter is installed on the bottom surface of the bottom flange plate of the I-shaped top annular rail through the roller mechanism, the microwave receiver is installed on the top surface of the top flange plate of the I-shaped bottom annular rail through the roller mechanism, and the bottom flange plate of the top annular rail and the top flange plate of the bottom annular rail are respectively support plates for supporting the roller mechanism.
Further, the roller mechanism comprises a support, an annular rack, a guide roller, a driving gear and a driving motor, wherein the guide roller and the driving gear are rotatably arranged on the support, the annular rack is arranged on one side surface of the supporting plate, the guide roller is arranged on the other side surface of the supporting plate in a rolling mode, the driving gear is meshed with the annular rack, the driving motor is arranged on the support, the power output end of the driving motor is connected with the wheel shaft of the driving gear in a transmission mode, and the driving motor is electrically connected with the controller.
Further, the roller mechanism further comprises a driven gear which is rotatably arranged on the bracket and meshed with the annular rack.
Further, the guide rollers of the roller mechanism are arranged in pairs, and each pair of guide rollers is arranged on two sides of the web plate of the I-shaped rail.
Further, the microwave emitter and the microwave receiver are respectively arranged on the brackets of the corresponding roller mechanisms through universal rotating devices, and the universal rotating devices are electrically connected with the controller.
Further, the outer peripheral sides of the microwave emitter, the microwave receiver and the corresponding universal rotating devices are respectively and hermetically arranged on the support of the roller mechanism by the protective cover.
The invention has the beneficial effects that: the method comprises the steps that a microwave emitter is arranged on the top circumference of a hyperbolic cooling tower, a microwave receiver is arranged on the bottom circumference of the hyperbolic cooling tower, the angles and positions of the microwave emitter and the microwave receiver on the top circumference and the bottom circumference of the hyperbolic cooling tower are adjusted respectively to enable the microwave emitter and the microwave receiver to be located at the top end and the bottom end of a curved surface base line of the hyperbolic cooling tower respectively, the microwave receiver can receive microwave signals sent by the microwave emitter, the controller controls the microwave emitter and the microwave receiver to synchronously move along the top circumference and the bottom circumference of the hyperbolic cooling tower respectively, meanwhile, the controller controls the microwave emitter to emit microwave signals to the microwave receiver, whether the microwave receiver can receive the microwave signals is monitored, and if the controller monitors that the microwave receiver can not receive the microwave signals, the controller judges that the hyperbolic cooling tower is deformed; the method is simple, the system is convenient to set, and real-time evaluation and monitoring can be realized, so that the deformation risk of the cooling tower can be timely and effectively monitored, and the requirement of safe production is met.
Drawings
FIG. 1 is a schematic diagram of a hyperbolic cooling tower deformation risk on-line monitoring method according to the present invention;
FIG. 2 is a top plan schematic view of a hyperbolic cooling tower of the inventive private system;
FIG. 3 is a schematic view of a part of the structure of a microwave emitter mounted on a top circular track by a roller mechanism in the special system of the present invention;
FIG. 4 is a schematic view of the H-H direction structure of the dedicated system in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a part of the structure of a microwave receiver mounted on a bottom circular rail by a roller mechanism in the special system of the present invention;
fig. 6 is a schematic diagram of the architecture of the inventive private system in the K-K direction of fig. 4.
Reference numerals: 10-microwave emitter, 20-microwave receiver, 30-controller, 40-positioning sensor, 50-positioning receiver, 60-roller mechanism, 61-bracket, 62-annular rack, 63-guide gear, 64-drive gear, 65-drive motor, 66-driven gear, 71-positioning sensor, 72-positioning receiver, 80 a-bottom flange plate, 80 b-top flange plate, 80 c-web, 81-top annular track, 82-bottom annular track, 83-top annular support beam, 84-bottom annular support beam, 85-fastening bolt, 90-universal rotation device, 91-shield, 100-hyperbolic cooling tower, 101-top circumference, 102-bottom circumference, 103-herringbone grid, a-curved surface baseline.
Detailed Description
The invention discloses a hyperbolic cooling tower deformation risk online monitoring method, which comprises the following steps of:
step one, arranging a microwave emitter 10 on the top circumference 101 and a microwave receiver 20 on the bottom circumference 102 of a hyperbolic cooling tower 100, see fig. 1; in fig. 1, 103 is a herringbone net rack supported at the bottom of the hyperbolic cooling tower 100;
initializing and setting: adjusting the microwave emitter 10 and the microwave receiver 20 to be respectively arranged in a hyperbolic cooling towerThe angles and positions of the top circumference 102 and the bottom circumference 102 of the hyperbolic cooling tower are such that the microwave emitter 10 and the microwave receiver 20 are respectively positioned at the top and bottom ends of a curved surface base line a of the hyperbolic cooling tower, and the microwave receiver 20 can receive the microwave signal emitted by the microwave emitter 10; the controller 30 also collects and records initial position information of the microwave emitter 10 and the microwave receiver 20, and calculates an initial distance L between the microwave emitter 10 and the microwave receiver 20 according to the initial position information Initially, the method comprises ；
Step three, the controller 30 controls the microwave emitter 10 and the microwave receiver 20 to synchronously move along the top circumference 101 and the bottom circumference 102 of the hyperbolic cooling tower 100 respectively, meanwhile, the controller 30 controls the microwave emitter 10 to emit microwave signals to the microwave receiver 20 and monitors whether the microwave receiver 20 can receive the microwave signals, meanwhile, the controller 30 collects real-time relative positions of the microwave emitter 10 and the microwave receiver 20 through the sensor assembly, calculates real-time relative distance L between the microwave emitter and the microwave receiver according to the real-time relative positions, and compares the real-time relative distance L with the initial distance L Initially, the method comprises The method comprises the steps of carrying out a first treatment on the surface of the If the controller 30 monitors that the microwave receiver 20 can always receive the microwave signal transmitted by the microwave transmitter 10, or that the microwave receiver 20 cannot receive the microwave signal but is 0 < L-L Initially, the method comprises The controller judges that the hyperbolic cooling tower is not deformed if the I is less than or equal to delta; if the controller 30 detects that the microwave receiver 20 cannot receive the microwave signal and |L-L Initially, the method comprises The controller determines that the hyperbolic cooling tower is deformed and the controller 30 determines that the hyperbolic cooling tower is deformed if the I is more than delta; wherein the parameter delta is a deformation control threshold preset in the controller. Wherein the sensor assembly comprises a positioning sensor 40 which is respectively arranged on the microwave emitter 10 and the microwave receiver 20 and can synchronously move along with the microwave emitter, and a positioning receiver 50 which is arranged on a controller, and the controller 30 is arranged at the geometric center of the top circumference 101 of the hyperbolic cooling tower 100; the positioning sensor 40 is either a displacement sensor or an angle encoder.
The system for online monitoring deformation risk of a hyperbolic cooling tower according to the above embodiment of the invention comprises a hyperbolic cooling tower 100 with a top circumference 101 and a bottom circumference 102, and a microwave emitter 10, a microwave receiver 20, a roller mechanism 60 and a controller 30, wherein the microwave emitter 10 is movably arranged on the inner peripheral surface of the top circumference 101 of the hyperbolic cooling tower through the roller mechanism 60, the microwave receiver 20 is movably arranged on the inner peripheral surface of the bottom circumference 102 of the hyperbolic cooling tower through the roller mechanism 60, the microwave emitter 10, the microwave receiver 20 and the roller mechanism 60 are respectively and electrically connected with the controller 30, the microwave emitter 10 and the microwave receiver 20 are respectively arranged at two ends of a curved surface base line A of the hyperbolic cooling tower 100 in an initial state of system operation, and the microwave receiver 20 can just receive signals sent by the microwave emitter 10 at the moment, the controller 30 can respectively control the two roller mechanisms 60 to enable the microwave emitter 10 and the microwave receiver 20 to respectively and always move along the top circumference 101 and the bottom circumference 102 in a ring shape, and if the controller 30 can not control the microwave emitter 20 to send out microwave signals to the microwave emitter 20 and the microwave receiver 30 to receive the microwave emitter 30 in real time, and if the controller 30 can not receive the microwave emitter and the microwave receiver is controlled to receive the microwave signals.
The microwave oven further comprises a sensor assembly, wherein the sensor assembly comprises a positioning sensor 71 and a positioning receiver 72, the positioning sensor 71 is respectively arranged on the two roller mechanisms 60 for arranging the microwave emitter 10 and the microwave receiver 20, the positioning receiver 72 is arranged on the controller 30, and the positioning sensor 71 and the positioning receiver 72 are electrically connected with the controller 30; the controller 30 is disposed at the geometric center of the top circumference 101 of the hyperbolic cooling tower 100; the positioning sensor 71 is either a displacement sensor or an angle encoder.
The inner peripheral surface of the top circumference 101 of the curved cooling tower 100 is provided with a top annular rail 81, the inner peripheral surface of the bottom circumference 102 is provided with a bottom annular rail 82, the controller 30 is arranged at the geometric center of the top circumference 101 of the hyperbolic cooling tower 100, and the microwave emitter 10 and the microwave receiver 20 are respectively movably arranged on the top annular rail 81 and the bottom annular rail 82 through the roller mechanisms 60.
In a preferred technical scheme, the top annular rail 81 and the bottom annular rail 82 are I-shaped rails with I-shaped sections, and each I-shaped rail comprises a bottom flange plate 80a, a top flange plate 80b and a web 80c vertically connected between the bottom flange plate 80a and the top flange plate 80 b; the top annular rail 81 and the bottom annular rail 82 are respectively arranged on the top circumference 101 of the hyperbolic cooling tower and the bottom circumference 102 of the hyperbolic cooling tower through a top annular supporting beam 83 and a bottom annular supporting beam 84, wherein the top annular supporting beam 83 and the bottom annular supporting beam 84 are respectively arranged on the top circumference 101 and the bottom circumference 102 through fastening bolts 85; the microwave emitter 10 is arranged on the bottom surface of the bottom flange plate 80a of the top annular rail 81 with the I-shaped cross section through the roller mechanism 60, the microwave receiver 30 is arranged on the top surface of the top flange plate 80b of the bottom annular rail 82 with the I-shaped cross section through the roller mechanism 60, and the bottom flange plate 80a of the top annular rail 81 and the top flange plate 80b of the bottom annular rail 82 are respectively support plates for supporting the roller mechanism 60; thus, the two roller mechanisms 60 mounted on the top and bottom annular rails 81, 82, respectively, are disposed in a substantially mirror-symmetrical manner.
The following takes the roller mechanism 60 mounted on the top annular rail 81 as an example, see fig. 3 and 4, and specifically describes the structure of the roller mechanism 60: the roller mechanism 60 comprises a bracket 61, an annular rack 62, a guide roller 63, a driving gear 64 and a driving motor 65, wherein the driving motor 65 is electrically connected with the controller 30, the guide roller 63 and the driving gear 64 are rotatably arranged on the bracket 61, the annular rack 62 is arranged on the bottom surface of a bottom flange plate 80a of a top annular rail 81 serving as a supporting plate, the guide roller 63 is arranged on the top surface in a rolling way, the driving gear 64 is in meshed connection with the annular rack 62, the driving motor 65 is arranged on the bracket 61, and the power output end of the driving motor 65 is in transmission connection with a wheel shaft of the driving gear 64; the controller 30 controls the driving motor 65 to act, the driving motor 65 drives the driving gear 64 to rotate, the driving gear 64 moves along the annular rack 62, and therefore the bracket 61 and the microwave emitter 10 mounted on the bracket 61 integrally move along the top annular track 81 under the guiding action of the guide roller 63 under the driving of the driving gear 64; the positioning sensor 71 is mounted on the bracket 61. For clarity of the installation of the drive gear 64, the guide roller 63, the drive motor 65 and the microwave emitter 10 are not shown in fig. 3.
As a preferable technical scheme, the roller mechanism 60 further comprises a driven gear 66, wherein the driven gear 66 is rotatably arranged on the bracket 61 and is in meshed connection with the annular rack 62; the driven gear 66 is provided to improve the stability and reliability of the overall movement of the bracket 61 and the microwave emitter 10 mounted on the bracket 61.
In addition, the guide rollers 63 of the roller mechanism 60 are arranged in pairs, and each pair of guide rollers 63 is respectively arranged at two sides of the web 80c of the I-shaped rail; in this embodiment, the guide rollers 63 are provided in two pairs, so that the stress of the top annular rail 81 with an i-shaped cross section can be more uniform.
The microwave emitter 10 and the microwave receiver 20 are respectively arranged on the brackets 61 of the corresponding roller mechanisms 60 through universal rotating devices 90, and the universal rotating devices 90 are electrically connected with the controller 30; thus, the controller 30 can adjust the angles of the microwave emitter 10 and the microwave receiver 20, respectively, by two universal rotating devices 90.
Further, the outer peripheral sides of the microwave emitter 10, the microwave receiver 20 and the respective universal rotating devices 90 are respectively hermetically mounted on the brackets 61 of the roller mechanism 60 by the shields 91; the protective cover 91 can effectively protect the microwave emitter 10, the microwave receiver 20 and the corresponding universal rotating device 90, so as to avoid the adverse effect of smoke.
The roller mechanism 60 mounted on the bottom circular rail 82 is mirror-symmetrical to the roller mechanism mounted on the top circular rail 81, see fig. 5 and 6, which are not described here again.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications of the invention are intended to fall within the scope of the invention.
Claims (6)
1. A hyperbolic cooling tower deformation risk on-line monitoring method is characterized in that: which comprises the following steps:
the method comprises the steps that firstly, a top annular rail and a bottom annular rail are respectively arranged on the top circumference and the bottom circumference of a hyperbolic cooling tower, roller mechanisms capable of moving along corresponding rails are respectively arranged on the top annular rail and the bottom annular rail, and the roller mechanisms move in an annular mode;
initializing and setting: adjusting angles and positions of the microwave emitter and the microwave receiver on a top annular track and a bottom annular track of the hyperbolic cooling tower respectively, so that the microwave emitter and the microwave receiver are respectively positioned at the top end and the bottom end of a curved surface base line of the hyperbolic cooling tower, and the microwave receiver can receive microwave signals sent by the microwave emitter;
step three, a controller controls two roller mechanisms to drive a microwave emitter and a microwave receiver to synchronously move along a top annular track and a bottom annular track of a hyperbolic cooling tower respectively, meanwhile, the controller controls the microwave emitter to emit microwave signals to the microwave receiver and monitors whether the microwave receiver can receive the microwave signals, the controller collects real-time relative positions of the microwave emitter and the microwave receiver through a sensor assembly, calculates real-time relative distance L between the microwave emitter and the microwave receiver according to the real-time relative positions, and compares the real-time relative distance L with the initial distance L Initially, the method comprises If the controller monitors that the microwave receiver cannot receive the microwave signal and |L-L Initially, the method comprises The controller judges that the hyperbolic cooling tower is deformed when the I is more than delta; wherein the parameter delta is a deformation control threshold preset in the controller;
the top annular rail and the bottom annular rail are I-shaped rails with I-shaped sections; the top annular rail and the bottom annular rail are respectively arranged on the top circumference of the hyperbolic cooling tower and the bottom circumference of the hyperbolic cooling tower through a top annular supporting beam and a bottom annular supporting beam; the microwave emitter is arranged on the bottom surface of the bottom flange plate of the I-shaped top annular rail through the roller mechanism, the microwave receiver is arranged on the top surface of the top flange plate of the I-shaped bottom annular rail through the roller mechanism, and the bottom flange plate of the top annular rail and the top flange plate of the bottom annular rail are respectively support plates for supporting the roller mechanism;
the roller mechanism comprises a support, an annular rack, a guide roller, a driving gear, a driven gear and a driving motor, wherein the guide roller, the driving gear and the driven gear are rotatably arranged on the support, the annular rack is arranged on one side plate surface of the supporting plate, the guide roller is arranged on the other side plate surface in a rolling way, the driving gear and the driven gear are in meshed connection with the annular rack, the driving motor is arranged on the support, the power output end of the driving motor is in transmission connection with a wheel shaft of the driving gear, and the driving motor is in electric control connection with the controller; the guide rollers of the roller mechanism are arranged in pairs, and each pair of guide rollers is respectively arranged on two sides of the web plate of the I-shaped rail.
2. The online deformation risk monitoring method for a hyperbolic cooling tower according to claim 1, wherein the method comprises the following steps of: during the operation of the third step, if the controller monitors that the microwave receiver can always receive the microwave signal emitted by the microwave emitter, or that the microwave receiver can not receive the microwave signal, but the controller does not receive the microwave signal, the controller outputs the microwave signal to the microwave receiver, wherein the microwave signal is not smaller than 0L-L Initially, the method comprises And the controller judges that the hyperbolic cooling tower is not deformed when the I is less than or equal to delta.
3. The online deformation risk monitoring method for the hyperbolic cooling tower according to claim 2, wherein the method comprises the following steps of: the sensor assembly comprises a positioning sensor and a positioning receiver, wherein the positioning sensor and the positioning receiver are respectively arranged on two roller mechanisms of the microwave emitter and the microwave receiver, so that the two positioning sensors can respectively do annular movement on a top annular track and a bottom annular track along with the corresponding roller mechanisms of the microwave emitter and the microwave receiver, the positioning receiver is arranged on the controller, the controller is arranged at the geometric center of the top circumference of the hyperbolic cooling tower, and the positioning sensor and the positioning receiver are electrically connected with the controller.
4. A hyperbolic cooling tower deformation risk on-line monitoring method according to claim 3, wherein: the positioning sensor is any one of a displacement sensor and an angle encoder.
5. The online hyperbolic cooling tower deformation risk monitoring method according to any one of claims 1 to 4, wherein the online hyperbolic cooling tower deformation risk monitoring method is characterized by comprising the following steps of: the microwave emitter and the microwave receiver are respectively arranged on the brackets of the corresponding roller mechanisms through universal rotating devices, and the universal rotating devices are electrically connected with the controller.
6. The online deformation risk monitoring method for the hyperbolic cooling tower according to claim 5, wherein the online deformation risk monitoring method comprises the following steps of: the outer peripheral sides of the microwave emitter, the microwave receiver and the corresponding universal rotating device are respectively and hermetically arranged on the bracket of the roller mechanism by the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248624.XA CN114636394B (en) | 2022-03-14 | 2022-03-14 | Hyperbolic cooling tower deformation risk online monitoring method and special system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248624.XA CN114636394B (en) | 2022-03-14 | 2022-03-14 | Hyperbolic cooling tower deformation risk online monitoring method and special system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114636394A CN114636394A (en) | 2022-06-17 |
| CN114636394B true CN114636394B (en) | 2023-11-10 |
Family
ID=81947942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210248624.XA Active CN114636394B (en) | 2022-03-14 | 2022-03-14 | Hyperbolic cooling tower deformation risk online monitoring method and special system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114636394B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115462305A (en) * | 2022-09-28 | 2022-12-13 | 北京中农富通园艺有限公司 | Pushing device of automatic water culture system |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281521U (en) * | 2011-09-22 | 2012-06-20 | 河南永龙化工有限公司 | Hyperbolic natural-ventilation cooling tower |
| CN104034746A (en) * | 2014-05-28 | 2014-09-10 | 中国建筑股份有限公司 | Low-temperature and ultralow-temperature thermal deformation transient type test device and method for concrete |
| CN204555802U (en) * | 2015-04-21 | 2015-08-12 | 黄石北斗产业发展股份有限公司 | A kind of cooling tower deformation monitoring system based on CORS base station |
| CN205888402U (en) * | 2016-08-12 | 2017-01-18 | 张红新 | Take over welding deformation measuring device |
| CN206208693U (en) * | 2016-08-31 | 2017-05-31 | 上海创和亿电子科技发展有限公司 | A kind of material bag detecting system |
| CN106772335A (en) * | 2017-01-18 | 2017-05-31 | 重庆大学 | Towards the active alien frequencies receiving type microwave radar systems of large scale structure deformation monitoring |
| CN107883890A (en) * | 2017-12-26 | 2018-04-06 | 无锡市盛源汽车配件厂 | Shift fork based on laser shape changing detection |
| CN108981623A (en) * | 2018-07-23 | 2018-12-11 | 浙江大学 | A kind of remote micro-displacement detection method based on microwave signal |
| CN109632832A (en) * | 2019-01-23 | 2019-04-16 | 浙江大学 | A kind of cereal moisture percentage measuring device based on frequency sweep microwave penetration method |
| WO2019215454A1 (en) * | 2018-05-10 | 2019-11-14 | Radio Physics Solutions Limited | Improvements in or relating to threat classification |
| CN110487227A (en) * | 2019-09-26 | 2019-11-22 | 西安热工研究院有限公司 | A kind of on-line monitoring system and method using ultrasound examination pipeline circumferential strain |
| CN110504911A (en) * | 2019-09-30 | 2019-11-26 | 南京航空航天大学 | A kind of cooling tower photovoltaic panel pylon enhancing device |
| CN110645925A (en) * | 2019-11-05 | 2020-01-03 | 广东博智林机器人有限公司 | Tower crane boom deformation detection device and method |
| CN111532943A (en) * | 2020-04-30 | 2020-08-14 | 广船国际有限公司 | Ship material hoister |
| CN111705193A (en) * | 2020-07-07 | 2020-09-25 | 盛旺汽车零部件（昆山）有限公司 | Water quenching device and water quenching process for wheel hub detection |
| FI20195349A1 (en) * | 2019-04-29 | 2020-10-30 | Stealthcase Oy | A microwave transformer and a system for fabricating the same |
| CA3139145A1 (en) * | 2019-05-09 | 2020-11-12 | Noetic Technologies Inc. | Cementing head apparatus |
| CN212363112U (en) * | 2020-06-23 | 2021-01-15 | 河南实荣筒仓工程有限公司 | Novel steel plate bin deformation monitoring and alarming device |
| CN113358049A (en) * | 2021-06-29 | 2021-09-07 | 西安热工研究院有限公司 | System and method for monitoring deformation of rigid beam of denitration reactor of power plant on line |
| CN214537809U (en) * | 2021-01-26 | 2021-10-29 | 贵州民族大学 | Tunnel deformation monitoring device and monitoring system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110010922A (en) * | 2009-07-27 | 2011-02-08 | 삼성전자주식회사 | Microfluidic device, microfluidic system including the same, and method for detecting reference angle of the microfluidic device |
| DE102015003584A1 (en) * | 2015-03-19 | 2016-09-22 | Alexander Rudoy | Method and device for 3D position determination |
-
2022
- 2022-03-14 CN CN202210248624.XA patent/CN114636394B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281521U (en) * | 2011-09-22 | 2012-06-20 | 河南永龙化工有限公司 | Hyperbolic natural-ventilation cooling tower |
| CN104034746A (en) * | 2014-05-28 | 2014-09-10 | 中国建筑股份有限公司 | Low-temperature and ultralow-temperature thermal deformation transient type test device and method for concrete |
| CN204555802U (en) * | 2015-04-21 | 2015-08-12 | 黄石北斗产业发展股份有限公司 | A kind of cooling tower deformation monitoring system based on CORS base station |
| CN205888402U (en) * | 2016-08-12 | 2017-01-18 | 张红新 | Take over welding deformation measuring device |
| CN206208693U (en) * | 2016-08-31 | 2017-05-31 | 上海创和亿电子科技发展有限公司 | A kind of material bag detecting system |
| CN106772335A (en) * | 2017-01-18 | 2017-05-31 | 重庆大学 | Towards the active alien frequencies receiving type microwave radar systems of large scale structure deformation monitoring |
| CN107883890A (en) * | 2017-12-26 | 2018-04-06 | 无锡市盛源汽车配件厂 | Shift fork based on laser shape changing detection |
| WO2019215454A1 (en) * | 2018-05-10 | 2019-11-14 | Radio Physics Solutions Limited | Improvements in or relating to threat classification |
| CN108981623A (en) * | 2018-07-23 | 2018-12-11 | 浙江大学 | A kind of remote micro-displacement detection method based on microwave signal |
| CN109632832A (en) * | 2019-01-23 | 2019-04-16 | 浙江大学 | A kind of cereal moisture percentage measuring device based on frequency sweep microwave penetration method |
| FI20195349A1 (en) * | 2019-04-29 | 2020-10-30 | Stealthcase Oy | A microwave transformer and a system for fabricating the same |
| CA3139145A1 (en) * | 2019-05-09 | 2020-11-12 | Noetic Technologies Inc. | Cementing head apparatus |
| CN110487227A (en) * | 2019-09-26 | 2019-11-22 | 西安热工研究院有限公司 | A kind of on-line monitoring system and method using ultrasound examination pipeline circumferential strain |
| CN110504911A (en) * | 2019-09-30 | 2019-11-26 | 南京航空航天大学 | A kind of cooling tower photovoltaic panel pylon enhancing device |
| CN110645925A (en) * | 2019-11-05 | 2020-01-03 | 广东博智林机器人有限公司 | Tower crane boom deformation detection device and method |
| CN111532943A (en) * | 2020-04-30 | 2020-08-14 | 广船国际有限公司 | Ship material hoister |
| CN212363112U (en) * | 2020-06-23 | 2021-01-15 | 河南实荣筒仓工程有限公司 | Novel steel plate bin deformation monitoring and alarming device |
| CN111705193A (en) * | 2020-07-07 | 2020-09-25 | 盛旺汽车零部件（昆山）有限公司 | Water quenching device and water quenching process for wheel hub detection |
| CN214537809U (en) * | 2021-01-26 | 2021-10-29 | 贵州民族大学 | Tunnel deformation monitoring device and monitoring system |
| CN113358049A (en) * | 2021-06-29 | 2021-09-07 | 西安热工研究院有限公司 | System and method for monitoring deformation of rigid beam of denitration reactor of power plant on line |
Non-Patent Citations (2)
| Title |
|---|
| 一种新型膨胀节波形检测装置设计;朱庆南;李宇廷;王一宁;刘英;杨雨图;;林业机械与木工设备(第04期);第30-33页 * |
| 双曲线冷却塔风筒几何缺陷分析;刘树国;;沈阳工程学院学报(自然科学版)(第02期);第26-31页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114636394A (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114636394B (en) | Hyperbolic cooling tower deformation risk online monitoring method and special system thereof | |
| CN103301581B (en) | Large medical equipment therapeutic bed | |
| CN107089626A (en) | A kind of transformer maintenance car | |
| CN204304315U (en) | A kind of many cam control type three arm high-voltage maintenance Bi Zhang robots | |
| CN107179480A (en) | A kind of electric power cable fault test set | |
| CN104485607A (en) | High voltage line patrol robot with single motor to control movement of three arms | |
| CN203303519U (en) | Large medical equipment treatment bed | |
| CN116122911A (en) | Pointer swing rod type tunnel lining gridding precision inspection trolley | |
| CN112525473B (en) | Wind tunnel variable attack angle device driven by screw pair and suitable for special temperature environment | |
| CN116335766A (en) | Steel wire rope traction type tunnel lining gridding precision inspection trolley | |
| CN103048341B (en) | 360 degree rotary X-ray detection platform | |
| CN116176724B (en) | Pull arm type climbing robot for outer wall operation of large wind power tower | |
| CN213094341U (en) | Mobile monitoring equipment for industrial Internet of things | |
| CN105743426A (en) | Sun automatic tracking device | |
| CN210710396U (en) | Hydropower station movable hoist operation mechanism suitable for preventing gnawing rail | |
| CN205257899U (en) | Mounting structure of lead screw for car lifting jack | |
| CN205257900U (en) | Mobile car lifting jac | |
| CN205257923U (en) | Car lifting jack with prevent function of falling | |
| CN210316469U (en) | A moving platform subassembly and fan tower section of thick bamboo for fan tower section of thick bamboo | |
| CN210531069U (en) | Barring gear of direct-drive generator | |
| CN215974843U (en) | Wisdom community control engineering construction is with device of ascending a height | |
| CN205257874U (en) | Screw nut connection structure | |
| CN205257922U (en) | Car lifting jack working nuts safety alarm system | |
| CN205257877U (en) | Car lifting jack bracket safety alarm system of mechanism | |
| CN112816351A (en) | Tangential acceleration elastic collision simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |