CN220454513U - Steam pipeline displacement monitoring system - Google Patents
Steam pipeline displacement monitoring system Download PDFInfo
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- CN220454513U CN220454513U CN202321519461.0U CN202321519461U CN220454513U CN 220454513 U CN220454513 U CN 220454513U CN 202321519461 U CN202321519461 U CN 202321519461U CN 220454513 U CN220454513 U CN 220454513U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 179
- 238000012544 monitoring process Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of pipeline displacement monitoring and discloses a steam pipeline displacement monitoring system. The steam pipeline displacement monitoring system comprises: the steam pipeline displacement monitoring system utilizes the data acquisition device to measure the displacement change of the monitoring pointer in the X, Y direction through the change data of the first displacement sensor and the second displacement sensor, measures the displacement change of the monitoring pointer in the Z direction through the change data of the second displacement sensor and the third displacement sensor so as to monitor the displacement of the steam pipeline, and receives and displays the displacement change of the monitoring pointer in the X, Y, Z direction in real time through the terminal equipment, so that digitization and real-time monitoring are realized, and the monitoring efficiency and the accuracy of the steam pipeline displacement monitoring result are improved.
Description
Technical Field
The utility model relates to the technical field of pipeline displacement monitoring, in particular to a steam pipeline displacement monitoring system.
Background
Steam pipes are the core pressure-bearing members in the boiler steam-water pipe system, and their safety is critical to the whole power plant. However, due to the inherent thermal expansion and contraction characteristics of the steam pipeline material, the steam pipeline material is easy to creep and generate macroscopic displacement under high temperature, high pressure and other environments, so that the safety of the steam pipeline and the safety of the connecting equipment of a steam turbine, a unit and the like are seriously influenced. Therefore, in order to ensure safe operation of the steam pipe and its connection devices, it is often necessary to monitor the displacement of the steam pipe in order to provide an early warning when the displacement of the steam pipe exceeds a limit displacement.
In the related art, the method for monitoring the displacement of the steam pipe includes a coordinate grid method, that is, a power plant worker can fix a needle on the steam pipe and fix a coordinate grid on an object which is close to and stable from the steam pipe, so that the power plant worker can check that the needle leaves a track on the coordinate grid in the field to determine the displacement of the steam pipe. However, the method generally requires power plant staff to check in the field and manually measure the track distance, so that the monitoring efficiency of the displacement of the steam pipeline is low, the state of the boiler cannot be monitored in real time, the digitalization degree is low, and the data error is large.
Disclosure of Invention
The utility model provides a steam pipeline displacement monitoring system, which can solve the problems that the monitoring efficiency of monitoring the displacement of a steam pipeline is low, the state of a boiler cannot be monitored in real time, the digitalization degree is low and the data error is large at present.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a steam conduit displacement monitoring system comprising:
the mounting seat comprises a bottom plate which is horizontally arranged;
the bracket component is fixedly connected with the steam pipeline;
the monitoring pointer is arranged on the bracket component so that the end part of the monitoring pointer is abutted with the bottom plate, and the monitoring pointer moves along the X, Y, Z direction of the steam pipeline along with the bracket component;
the first displacement sensor is fixed on the mounting seat and used for emitting infrared light;
a second displacement sensor fixed to the monitoring pointer and configured to receive and emit infrared light;
a third displacement sensor secured to the bracket assembly and configured to receive and emit infrared light;
the data acquisition device is fixed on the bracket component and is respectively connected with the first displacement sensor, the second displacement sensor and the third displacement sensor, when the monitoring pointer moves along with the steam pipeline through the bracket component, the data acquisition device acquires the change data of the first displacement sensor, the second displacement sensor and the third displacement sensor and measures the displacement change of the monitoring pointer in the X, Y, Z direction according to the change data, and
and the terminal equipment is connected with the data acquisition device and is used for receiving and displaying the displacement change of the monitoring pointer in the X, Y, Z direction in real time.
According to one embodiment of the utility model, the bracket assembly comprises a first bracket and a second bracket fixedly connected with the first bracket, one end of the first bracket is fixedly connected with the second bracket, the other end of the first bracket is fixedly connected with the steam pipeline, and the monitoring pointer is arranged on the second bracket.
According to one embodiment of the utility model, the second bracket comprises a horizontal section fixedly connected with the first bracket and a vertical section which is arranged vertically with the horizontal section and fixedly connected with the horizontal section, the monitoring pointer penetrates through the vertical section and can move up and down in the vertical section, and the third displacement sensor is fixedly arranged on the vertical section and is positioned right above the second displacement sensor.
According to one embodiment of the utility model, the second displacement sensor comprises a first transmitting end for transmitting infrared light and a first receiving end for receiving infrared light; the third displacement sensor comprises a second transmitting end and a second receiving end, wherein the second transmitting end is used for transmitting infrared light, the second receiving end is used for receiving the infrared light transmitted by the second transmitting end, and the second receiving end is used for receiving the infrared light transmitted by the first transmitting end.
According to one embodiment of the present utility model, the second displacement sensor further includes a plurality of first receiving surfaces for receiving infrared light and uniformly distributed on the circumference side of the monitoring pointer, and the first displacement sensor is disposed corresponding to the first receiving surfaces so that the first receiving surfaces receive the infrared light emitted by the first displacement sensor.
According to one embodiment of the utility model, the first receiving surface is provided with four, and the first displacement sensors are provided with four and are respectively fixed at four corners of the bottom plate.
According to one embodiment of the utility model, the mounting seat further comprises a supporting rod and a cavity formed by surrounding the supporting rod, the bottom plate is fixed in the cavity, and the monitoring pointer can move in the range of the cavity and can leave a moving track on the bottom plate.
According to one embodiment of the utility model, the first displacement sensor is connected with the data acquisition device through a first data wire, and the support rod is provided with a first wiring groove for accommodating the first data wire.
According to one embodiment of the utility model, the steam pipeline displacement monitoring system further comprises a wiring support fixed on the mounting seat, a second wiring groove for accommodating the first data line is formed in the wiring support, and the first data line is connected with the data acquisition device through the first wiring groove and the second wiring groove in sequence.
According to one embodiment of the utility model, the second displacement sensor and the third displacement sensor are connected to the data acquisition device via a second data line.
The beneficial effects of the utility model are as follows: the displacement change of the monitoring pointer in the direction X, Y is measured by utilizing the data acquisition device through the change data of the first displacement sensor and the second displacement sensor, the displacement change of the monitoring pointer in the direction Z is measured by utilizing the change data of the second displacement sensor and the third displacement sensor, so that the displacement of the steam pipeline is monitored, the displacement change of the monitoring pointer in the direction X, Y, Z is received and displayed in real time by utilizing the terminal equipment, the digitization and the real-time monitoring are realized, the problems of manual error and low monitoring efficiency caused by the current manual track measurement can be avoided, and the monitoring efficiency and the accuracy of the displacement monitoring result of the steam pipeline are improved.
Drawings
FIG. 1 is a schematic diagram of a steam line displacement monitoring system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another view of FIG. 1;
FIG. 3 is an enlarged partial view of area A of FIG. 2;
fig. 4 is a partial enlarged view of the region B in fig. 2.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The steam pipeline is a core pressure-bearing member in a steam-water pipeline system of a boiler, and the displacement abnormality of the steam pipeline has important influence on the safety of the pipeline and connecting equipment, and the steam pipeline needs to be closely monitored in production operation. The steam conveying pipeline can displace due to shaking of the supporting frame, pulsation change of the steam quantity of the pipeline, expansion and contraction, high-altitude wind blowing swing and the like in the operation process. The displacement of the steam pipe comprises long-period displacement and short-period vibration, which can cause phenomena such as pipe rack loosening, screw falling and the like, thereby causing a certain danger.
Currently, some important official networks are generally provided with a pointer and a dial, and data of the pointer on the dial are recorded in a manual timing inspection mode, so that displacement of the steam pipeline is monitored. This mode leads to steam pipe displacement's monitoring efficiency lower easily, can't monitor boiler state in real time, and the degree of digitization is low and data error is great.
Fig. 1 is a schematic structural diagram of a steam pipe displacement monitoring system according to an embodiment of the present utility model. As shown in fig. 1, the steam pipe displacement monitoring system 100 includes a mounting base 10, a bracket assembly 20, a monitoring pointer 30, a first displacement sensor 40, a second displacement sensor 50, a third displacement sensor 60, a data acquisition device 70, and a terminal device (not shown). Wherein the mounting base 10 comprises a horizontally arranged bottom plate 11. The bracket assembly 20 is fixedly connected with the steam pipe 200. The monitor pointer 30 is disposed on the bracket assembly 20 such that an end of the monitor pointer 30 abuts the base plate 11. The monitor pointer 30 may move in the X, Y, Z direction with the steam pipe 200 through the bracket assembly 20. The first displacement sensor 40 is fixed to the mount 10 and is configured to emit infrared light; the second displacement sensor 50 is fixed to the monitor pointer 30 and is used for receiving and emitting infrared light; the third displacement sensor 60 is fixed to the bracket assembly 20 and is configured to receive and emit infrared light.
In this embodiment, the first displacement sensor 40 emits infrared light, the second displacement sensor 50 may receive the infrared light emitted by the first displacement sensor 40, the second displacement sensor 50 may also emit infrared light that is capable of being received by the third displacement sensor 60, the third displacement sensor 60 may receive the infrared light emitted by the second displacement sensor 50, and the third displacement sensor 60 may also emit infrared light that is capable of being received by the second displacement sensor 50; when the monitoring pointer 30 can move along with the steam pipeline 200 through the bracket assembly 20, the monitoring pointer 30 drives the second displacement sensor 50 to move together, so that the distance between the second displacement sensor 50 and the first displacement sensor 40 and the third displacement sensor 60 changes, and change data of the first displacement sensor 40, the second displacement sensor 50 and the third displacement sensor 60 are generated.
The data acquisition device 70 is fixed on the bracket assembly 20 and is respectively connected with the first displacement sensor 40, the second displacement sensor 50 and the third displacement sensor 60, when the monitoring pointer 30 moves along with the steam pipeline 200 through the bracket assembly 20, the data acquisition device 70 acquires the change data of the first displacement sensor 40, the second displacement sensor 50 and the third displacement sensor 60, and the displacement change of the monitoring pointer 30 in the X, Y, Z direction, namely the displacement change of the steam pipeline 200, is measured according to the change data. In this embodiment, the change data of the first displacement sensor 40 and the second displacement sensor 50 determine the change in displacement of the monitor pointer 30 in the direction X, Y, and the change data of the second displacement sensor 50 and the third displacement sensor 60 determine the change in displacement of the monitor pointer 30 in the Z direction.
A terminal device (not shown) is connected to the data acquisition device 70 for receiving and displaying in real time the displacement change of the monitoring pointer 30 in the direction X, Y, Z. The terminal device of this embodiment may be a mobile phone, a computer, a tablet, a server, or the like.
The steam pipeline displacement monitoring system 100 of this embodiment measures displacement changes of the monitoring pointer 30 in the direction X, Y by using the data acquisition device 70 through the change data of the first displacement sensor 40 and the second displacement sensor 50, measures displacement changes of the monitoring pointer 30 in the direction Z by using the change data of the second displacement sensor 50 and the third displacement sensor 60, so as to monitor displacement of the steam pipeline 200, and receives and displays displacement changes of the monitoring pointer 30 in the direction X, Y, Z in real time by using a terminal device, so as to realize digital and real-time monitoring, and avoid the problems of manual errors and low monitoring efficiency caused by current manual track measurement, thereby improving monitoring efficiency and accuracy of the displacement monitoring result of the steam pipeline 200.
In one embodiment, referring to fig. 1, the bracket assembly 20 includes a first bracket 21 and a second bracket 22 fixedly connected to the first bracket 21, one end of the first bracket 21 is fixedly connected to the second bracket 22, the other end of the first bracket 21 is fixedly connected to the steam pipe 200, and the monitoring pointer 30 is disposed on the second bracket 22. In this embodiment, when the steam pipe 200 is displaced, the first bracket 21 is displaced along with the steam pipe 200, and the second bracket 22 is displaced together, so as to displace the monitoring pointer 30.
In one possible embodiment, referring to fig. 1, the second bracket 22 includes a horizontal section 221 fixedly connected to the first bracket 21 and a vertical section 222 vertically disposed on the horizontal section 221 and fixedly connected to the horizontal section 221, the monitoring pointer 30 is disposed through the vertical section 222 and can move up and down in the vertical section 222, and the third displacement sensor 60 is fixedly disposed on the vertical section 222 and is located right above the second displacement sensor 50. In one embodiment, the monitor pointer 30 is connected to the vertical section 222 through an elastic member (not shown), and when the steam pipe 200 is displaced, the monitor pointer 30 can move up and down (i.e. move in the Z direction) in the vertical section 222 through the elastic member, and is driven by the second support 22 to move together with the second support 22.
In one possible embodiment, referring to fig. 2 and 3, the second displacement sensor 50 includes a first housing 51 fixed to the monitor pointer 30, a first transmitting end 52 provided on an end surface of the first housing 51 and configured to transmit infrared light, a first receiving end 53 configured to receive infrared light, and a plurality of first receiving surfaces 54 provided on a peripheral side of the first housing 51 and configured to receive infrared light transmitted by the first displacement sensor 40. Referring to fig. 2 and 3, the third displacement sensor 60 includes a second housing 61 fixed to the second bracket 22, a second emitting end 62 provided at an end surface of the second housing 61 for emitting infrared light, and a second receiving end 63 for receiving infrared light. The first receiving end 53 is disposed opposite to the second transmitting end 62, the first receiving end 53 is configured to receive the infrared light emitted by the second transmitting end 62, the second receiving end 63 is disposed opposite to the first transmitting end 52, and the second receiving end 63 is configured to receive the infrared light emitted by the first transmitting end 52. In this embodiment, the second displacement sensor 50 and the third displacement sensor 60 may be the same type of sensor. Further, the first displacement sensors 40 are disposed corresponding to the number and positions of the first receiving surfaces 54, so that each first receiving surface 54 receives the infrared light emitted by the corresponding first displacement sensor 40.
In one embodiment, referring to fig. 1 and 2, the first receiving surfaces 54 are four, and the first displacement sensors 40 are four and are respectively fixed at four corners of the bottom plate 11. When the steam pipe 200 is displaced, the monitoring pointer 30 drives the second displacement sensor 50 to move together, so that the distance between the second displacement sensor 50 and the first displacement sensor 40 and the distance between the second displacement sensor 50 and the third displacement sensor 60 change, the data acquisition device 70 acquires the change data of each first displacement sensor 40, the change data of the second displacement sensor 50 and the change data of the third displacement sensor 60, and determines the displacement change of the monitoring pointer 30 in the X, Y direction according to the change data of each first displacement sensor 40 and the change data of the second displacement sensor 50, namely the displacement change of the steam pipe 200 in the X, Y direction, and determines the displacement change of the monitoring pointer 30 in the Z direction according to the change data of each second displacement sensor 50 and the change data of the third displacement sensor 60, namely the displacement change of the steam pipe 200 in the Z direction, and the terminal equipment receives and displays the displacement change of the steam pipe 200 in the X, Y, Z direction in real time, so that the displacement of the steam pipe 200 is monitored digitally in real time.
In one possible embodiment, referring to fig. 2, the mounting base 10 further includes a support rod 12 and a rectangular cavity 13 surrounded by the support rod 12, the base plate 11 is fixed in the cavity 13, and the monitoring pointer 30 can move within the cavity 13 and can leave a moving track on the base plate 11. In an embodiment, the base plate 11 may be provided with scales, and calibration is performed by using a scale record generated by displacement of the steam pipe 200, so as to ensure accuracy of monitoring data.
In one embodiment, referring to fig. 2 and 4, the first displacement sensor 40 is connected to the data acquisition device 70 through a first data line a, and the support rod 12 is provided with a first wiring groove 121 for accommodating the first data line a. In this embodiment, the first wiring groove 121 accommodates the first data line a, so that the first data line a is prevented from being exposed to the external environment, the service life of the first data line a is prolonged, and the aesthetic degree of the monitoring device is improved.
In one embodiment, referring to fig. 1 and 2, the steam pipeline displacement monitoring system 100 further includes a wire support 80 fixed on the mounting base 10, and a second wire groove (not shown) for receiving a first data line a is disposed on the wire support 80, where the first data line a is connected to the data acquisition device 70 sequentially through the first wire groove 121 and the second wire groove. According to the embodiment, the first data line a is stored in the wiring groove, so that the first data line a can be prevented from being exposed to the external environment, the service life of the first data line a is prolonged, and the attractiveness of the monitoring device is improved.
In one possible embodiment, referring to fig. 1, 2 and 3, the second displacement sensor 50 and the third displacement sensor 60 are connected to the data acquisition device 70 via a second data line b.
In one embodiment, referring to fig. 1 and 2, the data acquisition device 70 is received in the housing 90 and is fixed to the bracket assembly 20 by the housing 90, so as to extend the service life of the data acquisition device 70.
The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures or equivalent processes using the descriptions of the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the utility model.
Claims (10)
1. A steam conduit displacement monitoring system, comprising:
the mounting seat comprises a bottom plate which is horizontally arranged;
the bracket component is fixedly connected with the steam pipeline;
the monitoring pointer is arranged on the bracket component so that the end part of the monitoring pointer is abutted with the bottom plate, and the monitoring pointer moves along the X, Y, Z direction of the steam pipeline along with the bracket component;
the first displacement sensor is fixed on the mounting seat and used for emitting infrared light;
a second displacement sensor fixed to the monitoring pointer and configured to receive and emit infrared light;
a third displacement sensor secured to the bracket assembly and configured to receive and emit infrared light;
the data acquisition device is fixed on the bracket component and is respectively connected with the first displacement sensor, the second displacement sensor and the third displacement sensor, when the monitoring pointer moves along with the steam pipeline through the bracket component, the data acquisition device acquires the change data of the first displacement sensor, the second displacement sensor and the third displacement sensor and measures the displacement change of the monitoring pointer in the X, Y, Z direction according to the change data, and
and the terminal equipment is connected with the data acquisition device and is used for receiving and displaying the displacement change of the monitoring pointer in the X, Y, Z direction in real time.
2. The steam conduit displacement monitoring system of claim 1, wherein the bracket assembly comprises a first bracket and a second bracket fixedly connected to the first bracket, one end of the first bracket is fixedly connected to the second bracket, the other end of the first bracket is fixedly connected to the steam conduit, and the monitoring pointer is disposed on the second bracket.
3. The steam conduit displacement monitoring system of claim 2, wherein the second bracket comprises a horizontal section fixedly connected with the first bracket and a vertical section vertically arranged with the horizontal section and fixedly connected with the horizontal section, the monitoring pointer penetrates through the vertical section and can move up and down in the vertical section, and the third displacement sensor is fixedly arranged on the vertical section and is positioned right above the second displacement sensor.
4. A steam conduit displacement monitoring system according to claim 3, wherein the second displacement sensor comprises a first transmitting end for transmitting infrared light and a first receiving end for receiving infrared light; the third displacement sensor comprises a second transmitting end and a second receiving end, wherein the second transmitting end is used for transmitting infrared light, the second receiving end is used for receiving the infrared light transmitted by the second transmitting end, and the second receiving end is used for receiving the infrared light transmitted by the first transmitting end.
5. The steam pipe displacement monitoring system of claim 4, wherein the second displacement sensor further comprises a plurality of first receiving surfaces for receiving infrared light and uniformly distributed on the circumferential side of the monitoring pointer, the first displacement sensor being disposed in correspondence with the first receiving surfaces such that the first receiving surfaces receive the infrared light emitted by the first displacement sensor.
6. The vapor conduit displacement monitoring system of claim 5, wherein the first receiving surface is provided in four and the first displacement sensor is provided in four and is respectively secured to four corners of the base plate.
7. The steam pipe displacement monitoring system of claim 1, wherein the mounting base further comprises a support rod and a cavity defined by the support rod, the base plate is fixed in the cavity, and the monitoring pointer is movable within the cavity and can leave a movement track on the base plate.
8. The steam pipeline displacement monitoring system of claim 7, wherein the first displacement sensor is connected to the data acquisition device via a first data line, and the support bar is provided with a first wiring groove for accommodating the first data line.
9. The steam pipe displacement monitoring system of claim 8, further comprising a wire support fixed on the mounting base, wherein a second wire groove for accommodating the first data wire is arranged on the wire support, and the first data wire is connected with the data acquisition device sequentially through the first wire groove and the second wire groove.
10. The steam conduit displacement monitoring system of claim 1, wherein the second displacement sensor and the third displacement sensor are coupled to the data acquisition device via a second data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519461.0U CN220454513U (en) | 2023-06-14 | 2023-06-14 | Steam pipeline displacement monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519461.0U CN220454513U (en) | 2023-06-14 | 2023-06-14 | Steam pipeline displacement monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN220454513U true CN220454513U (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519461.0U Active CN220454513U (en) | 2023-06-14 | 2023-06-14 | Steam pipeline displacement monitoring system |
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| CN (1) | CN220454513U (en) |
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2023
- 2023-06-14 CN CN202321519461.0U patent/CN220454513U/en active Active
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