CN218001189U - High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system - Google Patents

High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system Download PDF

Info

Publication number
CN218001189U
CN218001189U CN202222308533.9U CN202222308533U CN218001189U CN 218001189 U CN218001189 U CN 218001189U CN 202222308533 U CN202222308533 U CN 202222308533U CN 218001189 U CN218001189 U CN 218001189U
Authority
CN
China
Prior art keywords
temperature
alarm
medium pipeline
temperature medium
metal temperature
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
Application number
CN202222308533.9U
Other languages
Chinese (zh)
Inventor
周赞
胡昌龙
蔡懂文
胡燕
陈记辉
汤伟国
黄思源
丁磊
徐东
孙翊晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Power International Inc
Huaneng Hunan Yueyang Power Generation Co Ltd
Original Assignee
Huaneng Power International Inc
Huaneng Hunan Yueyang Power Generation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaneng Power International Inc, Huaneng Hunan Yueyang Power Generation Co Ltd filed Critical Huaneng Power International Inc
Priority to CN202222308533.9U priority Critical patent/CN218001189U/en
Application granted granted Critical
Publication of CN218001189U publication Critical patent/CN218001189U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model provides an alarm device and high temperature medium conveying system are revealed to high temperature medium pipeline relates to the chemical industry equipment field. The working platform is arranged near the high-temperature medium pipeline, the insulating layer is arranged on the working platform, the metal temperature fuse is arranged on the insulating layer, the metal temperature fuse and the alarm are both connected with the controller to form a monitoring alarm system, when the environment temperature of the metal temperature fuse reaches a temperature threshold value when the high-temperature medium pipeline borrows the building, the metal temperature fuse is in a disconnected state, so that an alarm signal loop is in a disconnected state, and the controller is used for controlling the alarm to give an alarm when the metal temperature fuse is detected to be in the disconnected state. Therefore, the high-temperature medium pipeline can be effectively monitored at extremely low cost by using a low-cost detection loop, and when the high-temperature medium pipeline is abnormal or leaked, maintenance personnel can timely find and process the high-temperature medium pipeline, so that the equipment is prevented from being damaged and expanded.

Description

High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system
Technical Field
The utility model relates to a chemical industry equipment field particularly, relates to an alarm device and high temperature medium conveying system are revealed to high temperature medium pipeline.
Background
In industrial production, there are many pipelines in which the measuring medium is a high-temperature high-pressure gas. After the pipeline runs for a period of time, due to a severe production environment, rusty perforation of the pipeline or leakage of a joint sealing part are often caused, and finally equipment damage or misalignment of medium measurement data are caused. For effectively solving the problems, some noise measuring equipment exists in the market, and the leakage condition of the pipeline is indirectly monitored by capturing huge noise emitted when the pipeline leaks due to the high-temperature and high-pressure medium.
However, the noise measurement system is usually higher in cost, and is only suitable for being equipped near a small part of important equipment in view of maintenance cost, which is inconvenient for wide popularization. Therefore, a plurality of important high-temperature and high-pressure medium pipelines which cannot be effectively monitored in time usually exist in production enterprises, and if the pipelines cannot be found and processed in time after leakage occurs, serious consequences which cannot be estimated can be caused.
In view of this, the present application is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alarm device is revealed to high temperature medium pipeline aims at under the prerequisite of low-cost consumption, effectively monitors the condition of revealing of high temperature high pressure pipeline.
Another object of the utility model is to provide a high temperature medium conveying system, the stability of its device operation is high, can ensure that the high temperature medium pipeline takes place unusually or when revealing, and maintainer can in time discover and handle, prevents that equipment from damaging the expansion.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a high temperature medium pipeline leakage alarm device, including work platform and monitoring alarm system, work platform is used for installing in the department with high temperature medium pipeline apart from 30-50cm, and work platform's height suits with high temperature medium pipeline height, monitoring alarm system includes metal temperature fuse, controller and alarm, the last insulating layer that is provided with of work platform, metal temperature fuse sets up on the insulating layer, metal temperature fuse and alarm all are connected with the controller, metal temperature fuse is in the on-state under the condition that ambient temperature is less than the temperature threshold; the metal temperature fuse is in a disconnected state under the condition that the ambient temperature is higher than the temperature threshold value, so that the alarm signal loop is in the disconnected state, and the controller is used for controlling the alarm to give an alarm when detecting that the metal temperature fuse is in the disconnected state.
In an alternative embodiment of the present invention, the temperature threshold of the metal temperature fuse is 90-110 ℃.
In an optional embodiment of the present invention, the number of the metal temperature fuses is plural, each metal temperature fuse is connected in series to a single alarm node of the monitoring alarm system, and the alarm signal loop is disconnected when each metal temperature fuse is in an environment exceeding a temperature threshold;
be provided with insulating material's centre gripping subassembly on the work platform, every metal temperature fuse all is fixed in the work platform through the centre gripping subassembly on, and a plurality of metal temperature fuses interval sets up.
The utility model discloses in the optional embodiment, the metal temperature fuse is 3, and the controller has 3 ports, and 3 metal temperature fuses link to each other with one of them port respectively, and the controller is arranged in controlling the alarm to report to the police when two at least ports received the signal in 3 ports.
The utility model discloses in the optional embodiment, still include the bottom support, work platform installs in the top of bottom support, and the top of bottom support flushes with the high temperature medium pipeline.
In an optional embodiment of the present invention, the working platform is a circular platform with a diameter of 15-25 cm.
In an alternative embodiment of the present invention, the insulating layer is made of rubber.
In an alternative embodiment of the invention, the thickness of the insulating layer is 0.5-2mm.
In a second aspect, the utility model also provides a high temperature medium conveying system, reveal alarm device including high temperature medium pipeline and above-mentioned high temperature medium pipeline.
In an optional embodiment of the present invention, the distance between the working platform and the high temperature medium pipeline is 30-50cm.
The embodiment of the utility model provides a beneficial effect is: the working platform is arranged near the high-temperature medium pipeline, the insulating layer is arranged on the working platform, the metal temperature fuse is arranged on the insulating layer, the metal temperature fuse and the alarm are both connected with the controller to form a monitoring alarm system, when the environment temperature of the metal temperature fuse reaches a temperature threshold value when the high-temperature medium pipeline borrows the building, the metal temperature fuse is in a disconnected state, so that an alarm signal loop is in a disconnected state, and the controller is used for controlling the alarm to give an alarm when the metal temperature fuse is detected to be in the disconnected state. Therefore, the high-temperature medium pipeline can be effectively monitored at extremely low cost by using a low-cost detection loop, and when the high-temperature medium pipeline is abnormal or leaked, maintenance personnel can timely find and process the high-temperature medium pipeline, so that the equipment is prevented from being damaged and expanded.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a high-temperature medium pipeline leakage alarm device provided by an embodiment of the present invention;
FIG. 2 is a top view of the work platform of FIG. 1;
FIG. 3 is a schematic diagram of an alarm logic.
The icon is 100-high temperature medium pipeline leakage alarm device; 110-a working platform; 120-metal temperature fuse; 130-an insulating layer; 140-bottom bracket.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the embodiment of the utility model provides an alarm device 100 is revealed to high temperature medium pipeline, including work platform 110 and monitoring alarm system, work platform 110 is used for installing near high temperature medium pipeline, and monitoring alarm system is used for taking place to report to the police when the high temperature medium pipeline takes place to leak.
Specifically, the high-temperature medium pipeline may be a general pipeline for conveying a high-temperature medium, and the temperature thereof may be, for example, 200 ℃, 300 ℃, or the like.
The working platform 110 is installed at a distance of 30-50cm from the high-temperature medium pipeline, and the height of the working platform 110 is adapted to the height of the high-temperature medium pipeline, so that the working platform can respond in time when the high-temperature medium pipeline leaks. The distance between the working platform 110 and the high-temperature medium pipeline can be 30cm, 40cm, 50cm and the like, if the distance is too large, the working platform cannot timely react when leaking, and if the distance is too small, the working platform cannot be in a normal temperature state when not leaking.
In order to better support the working platform 110, a bottom bracket 140 may be provided, the working platform 110 is mounted on the top of the bottom bracket 140, and the top of the bottom bracket 140 is flush with the high temperature medium pipeline, where "flush" means approximately at the same horizontal position.
In some embodiments, the work platform 110 is a circular platform with a diameter of 15-25cm, but is not limited to a circular platform. Specifically, the diameter of the working platform 110 may be 15cm, 20cm, 25cm, or the like, or any value between the above adjacent values.
In other embodiments, the work platform 110 may be a square or other shaped platform, but is not limited thereto. The bottom bracket 140 may be made of metal to ensure the firmness of the support.
In order to avoid the influence of the monitoring alarm system on the working platform 110, the insulating layer 130 is disposed on the working platform 110, and the insulating layer 130 is isolated from the monitoring alarm system to prevent the working platform 110 and the bottom bracket 140 from being electrified.
The specific material of the insulating layer 130 is not limited, and may be a common insulating material, and may be, but not limited to, rubber. The thickness of the insulating layer 130 can be set as required, and can be 0.5-2mm, such as 0.5mm, 1.0mm, 1.5mm, 2.0mm, etc., to ensure the insulating effect. The shape and size of the insulating layer 130 are not limited and may be consistent with the work platform 110, for example, the insulating layer 130 may be a circular spacer having a diameter consistent with the work platform 110.
Further, the monitoring and alarm system includes a metal temperature fuse 120, a controller and an alarm (not shown), the metal temperature fuse 120 is disposed on the insulating layer 130, the metal temperature fuse 120 and the alarm are both connected to the controller, and the metal temperature fuse 120 is in a conducting state when the ambient temperature is lower than a temperature threshold; the metal temperature fuse 120 is in an open state when the ambient temperature is higher than the temperature threshold value, so that the alarm signal loop is in the open state, and the controller is used for controlling the alarm to alarm when detecting that the metal temperature fuse 120 is in the open state.
In some embodiments, the monitoring alarm system comprises at least one controller and an alarm, wherein the controller comprises at least two ports, namely a port 1 for receiving signals of the conductor, and a port 2 connected with the alarm, and the alarm is controlled to alarm through the port 2 when the port 1 receives the signals, or conversely, the alarm is controlled to alarm through the port 2 when the port 1 does not receive the signals. There may also be a port 3 for supplying power to the thermal fuse 120 so that a signal is detected when the thermal fuse 120 is conductive. Of course, this power source may also be an external vcc, and is not necessarily a power source provided by the port of the controller.
It should be noted that the controller can be an integrated circuit chip with signal processing capability. The controller may be a general-purpose processor including a Central Processing Unit (CPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic devices, discrete gates, transistor logic devices, and discrete hardware components, and may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present invention.
In some embodiments, the monitoring alarm system may be an existing alarm device, which can alarm when the loop is not conductive.
Specifically, the alarm may be a general sound alarm, and is controlled by the controller to trigger the alarm.
In some embodiments, the metal temperature fuse 120 has a temperature threshold of 90-110 deg.C, such as 90 deg.C, 99 deg.C, 100 deg.C, 110 deg.C, etc. If the TF is commercially available, the thermal protection RY-99 degrees (10A 250V) and the working voltage is 250V, and the resistance fusing occurs at 99 ℃.
In some embodiments, the number of the metal temperature fuses 120 is multiple, each metal temperature fuse 120 is connected in series to a single alarm node of the monitoring alarm system, each metal temperature fuse 120 breaks an alarm signal loop when in an environment exceeding a temperature threshold, the alarm signal loops may be independent from each other, and the multiple loops operate simultaneously to improve the detection accuracy and prevent the alarm system from malfunctioning when one metal temperature fuse 120 is in an inoperable state.
In order to fix the plurality of metal temperature fuses 120 well, a clamping assembly made of an insulating material is disposed on the working platform 110, each metal temperature fuse 120 is fixed on the working platform 110 through the clamping assembly, and the plurality of metal temperature fuses 120 are disposed at intervals. The clamping assembly may be in the shape of a hook (e.g., an arc, the lowest portion of which is fixed to the working platform 110), and provides a good limiting function for the metal thermal fuse 120. The material of the clamping assembly may be a common insulating material, and is not limited herein.
In order to improve the reliability of the detection of the device, false alarms generated when a single thermistor is abnormally switched on due to a fault are prevented: as shown in fig. 2 and 3, the metal temperature fuses 120 are 3 (a first metal temperature fuse, a second metal temperature fuse, and a third metal temperature fuse), the controller has 3 ports, the 3 metal temperature fuses 120 are respectively connected to one of the ports, and the controller is configured to control the alarm to alarm when at least two of the 3 ports receive a signal.
Specifically, the working principle is as follows:
the first and second and third and OR gates are included;
the first input end of the first AND gate is connected with the first metal temperature fuse, the second input end of the first AND gate is connected with the third metal temperature fuse, and the output end of the first AND gate is connected with the first input end of the OR gate;
the first input end of the second AND gate is connected with the first metal temperature fuse, the second input end of the second AND gate is connected with the second metal temperature fuse, and the output end of the second AND gate is connected with the second input end of the OR gate;
the first input end of the third AND gate is connected with the second metal temperature fuse, the second input end of the third AND gate is connected with the third metal temperature fuse, and the output end of the second AND gate is connected with the third input end of the OR gate.
The output end of the OR gate is connected with an alarm.
When the first metal temperature fuse and the third metal temperature fuse are both conducted, the first AND gate outputs an effective signal.
When the first metal temperature fuse and the second metal temperature fuse are both conducted, the second AND gate outputs an effective signal.
And when the second metal temperature fuse and the third metal temperature fuse are both conducted, the third AND gate outputs an effective signal.
And when any one of the first AND gate, the second AND gate and the third AND gate outputs an effective signal, the OR gate outputs the effective signal to control the alarm to give an alarm.
That is, when the first metal temperature fuse and the third metal temperature fuse are both turned on, or the first metal temperature fuse and the second metal temperature fuse are both turned on, or the second metal temperature fuse and the third metal temperature fuse are both turned on, the or gate outputs an effective signal to control the alarm to alarm.
In other words, when any two of the first metal temperature fuse, the second metal temperature fuse and the third metal temperature fuse are conducted, the or gate outputs an effective signal to control the alarm to alarm.
It should be noted that, the alarm system with the logic that the alarm signal 3 takes 2 may also adopt the existing device, and when more than 2 signal loops in 3 alarm signal loops are conducted, the alarm signal of high-temperature medium leakage is finally triggered. Compared with a single-circuit alarm loop of a single thermistor, the design can effectively prevent the defect that the alarm cannot be triggered in time when the single thermistor fails, and can also prevent false alarm generated when the single thermistor is abnormally switched on due to failure, so that the reliability is greatly improved.
The embodiment of the utility model provides a still provide a high temperature medium conveying system, reveal alarm device including high temperature medium pipeline and above-mentioned high temperature medium pipeline, can also include high temperature medium generating device etc. and form the operating system of a completion.
In some embodiments, the distance between the work platform 110 and the high temperature medium pipe is 30-50cm. The distance between the working platform 110 and the high-temperature medium pipeline can be 30cm, 40cm, 50cm and the like, if the distance is too large, the working platform cannot react in time when leaking, and if the distance is too small, the temperature of the working platform is not in a normal temperature state when not leaking.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The high-temperature medium pipeline leakage alarm device is characterized by comprising a working platform and a monitoring alarm system, wherein the working platform is used for being installed at a position which is 30-50cm away from the high-temperature medium pipeline, the height of the working platform is matched with that of the high-temperature medium pipeline, the monitoring alarm system comprises a metal temperature fuse, a controller and an alarm, an insulating layer is arranged on the working platform, the metal temperature fuse is arranged on the insulating layer, the metal temperature fuse and the alarm are both connected with the controller, and the metal temperature fuse is in a conducting state under the condition that the ambient temperature is lower than a temperature threshold value; the metal temperature fuse is in a disconnected state under the condition that the environment temperature is higher than the temperature threshold value, so that the alarm signal loop is in the disconnected state, and the controller is used for controlling the alarm to give an alarm when detecting that the metal temperature fuse is in the disconnected state.
2. The high-temperature medium pipeline leakage alarm device as claimed in claim 1, wherein the temperature threshold of the metal temperature fuse is 90-110 ℃.
3. The high-temperature medium pipeline leakage alarm device according to claim 1 or 2, wherein the metal temperature fuses are multiple, each metal temperature fuse is connected in series to a single alarm node of the monitoring alarm system, and each metal temperature fuse breaks an alarm signal loop when being in an environment exceeding a temperature threshold;
the metal temperature fuse wire clamping device is characterized in that a clamping assembly made of insulating materials is arranged on the working platform, and each metal temperature fuse wire is fixed on the working platform through the clamping assembly and is multiple in number.
4. The high-temperature medium pipeline leakage alarm device according to claim 3, wherein the number of the metal temperature fuses is 3, the controller is provided with 3 ports, the 3 metal temperature fuses are respectively connected with one port, and the controller is used for controlling the alarm to alarm when at least two ports of the 3 ports receive signals.
5. The high-temperature medium pipeline leakage alarm device according to claim 1, further comprising a bottom bracket, wherein the working platform is mounted at the top of the bottom bracket, and the top of the bottom bracket is flush with the high-temperature medium pipeline.
6. The high-temperature medium pipeline leakage alarm device as claimed in claim 2, wherein the working platform is a circular platform with a diameter of 15-25 cm.
7. The high-temperature medium pipeline leakage alarm device as claimed in claim 2, wherein the insulating layer is made of rubber.
8. The high-temperature medium pipeline leakage alarm device as claimed in claim 6, wherein the thickness of the insulating layer is 0.5-2mm.
9. A high-temperature medium conveying system, characterized by comprising a high-temperature medium pipeline and the high-temperature medium pipeline leakage alarm device of any one of claims 1-8.
10. The high-temperature medium conveying system according to claim 9, wherein the distance between the working platform and the high-temperature medium pipeline is 30-50cm.
CN202222308533.9U 2022-08-30 2022-08-30 High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system Active CN218001189U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222308533.9U CN218001189U (en) 2022-08-30 2022-08-30 High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222308533.9U CN218001189U (en) 2022-08-30 2022-08-30 High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system

Publications (1)

Publication Number Publication Date
CN218001189U true CN218001189U (en) 2022-12-09

Family

ID=84325313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222308533.9U Active CN218001189U (en) 2022-08-30 2022-08-30 High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system

Country Status (1)

Country Link
CN (1) CN218001189U (en)

Similar Documents

Publication Publication Date Title
US10312680B2 (en) Electrical line status monitoring system
US9437100B2 (en) Supervising alarm notification devices
JP2014157435A (en) Fire alarm facilities
CN107680355A (en) Disaster prevention method, gas alarm, server and computer-readable medium
CN108170080A (en) A kind of data center machine room environmental monitoring system
US11193852B1 (en) Systems and methods for detecting hose failure
CN218001189U (en) High-temperature medium pipeline leakage alarm device and high-temperature medium conveying system
WO2019142932A1 (en) Fire alarm equipment
JP2007249285A (en) Fire alarm
CN207800817U (en) Cell safety monitoring device and battery modules
CN103277674A (en) System and method for detecting overheated position of pipeline
CN218956753U (en) Battery safety monitoring and early warning system
KR20000054323A (en) System monitoring Over-heat and therefor
CN207976557U (en) A kind of electric insulation detecting system
CA2306354C (en) Apparatus and method for supervision
US20140232542A1 (en) Theft detection in hvac unit having persistent alarm
CN205123421U (en) Low voltage network zero line state detection device
CN101515399B (en) Line-type heat detector based on thermoelectric couple principle
JPH11173939A (en) Apparatus and sensor for sensing water leak of semiconductor device manufacturing facility
JP4764734B2 (en) Alarm
CN211979810U (en) Electric fire automatic alarm component and fire alarm
CN201387657Y (en) Line type heat fire detector with terminal capacitor
JP7117892B2 (en) fire receiver
JPH0547419Y2 (en)
JP2006252499A (en) Crime/disaster prevention system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant