CN213812380U - Internal environment monitoring device for railway signal cable box - Google Patents
Internal environment monitoring device for railway signal cable box Download PDFInfo
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- CN213812380U CN213812380U CN202022463169.4U CN202022463169U CN213812380U CN 213812380 U CN213812380 U CN 213812380U CN 202022463169 U CN202022463169 U CN 202022463169U CN 213812380 U CN213812380 U CN 213812380U
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Abstract
The utility model provides an internal environment monitoring device of a railway signal cable box, which comprises a controller, a cover opening monitoring circuit and a temperature and humidity monitoring circuit, wherein the cover opening monitoring circuit is connected with the controller and is used for monitoring whether the cable box is opened or not; the temperature and humidity monitoring circuit is connected with the controller and used for monitoring temperature and humidity information inside the cable box. This inside environment monitoring devices of railway signal cable box possesses the monitor function of uncapping, humiture monitor function, water logging monitor function and emptys the monitor function, can make things convenient for staff real-time supervision box internal state, has satisfied the real-time state management of electrical affairs section, worker's district to the box and the actual demand of plant maintenance, and convenient in time discovery problem reduces the potential safety hazard.
Description
Technical Field
The utility model relates to a cable monitoring technology field, specific theory has related to a railway signal cable box inside environment monitoring device.
Background
Because the cable box is in an outdoor environment, different weather conditions and even certain extreme environments are often encountered, and the cable box is often damaged to different degrees under the conditions of certain special environments and special weather. Meanwhile, the cable box still faces the risk of human malicious damage and cannot be found in time.
Therefore, monitoring of the environmental quantity of the cable box is necessary, but for a long time, monitoring of the inside of the box is mainly performed by monitoring temperature and humidity, and attention is less paid to whether the cable box is toppled or not, whether the cable box is opened or not, whether water enters or not, and the like.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at providing a not enough to prior art to provide a railway signal cable box inside environment monitoring device.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an internal environment monitoring device of a railway signal cable box comprises a controller, a cover opening monitoring circuit and a temperature and humidity monitoring circuit, wherein,
the cover opening monitoring circuit is connected with the controller and used for monitoring whether the cable box is opened or not;
the temperature and humidity monitoring circuit is connected with the controller and used for monitoring temperature and humidity information inside the cable box.
The utility model has the advantages that:
1) the utility model provides an internal environment monitoring device of a railway signal cable box, which is used for collecting data such as temperature and humidity, illumination quantity and the like in the cable box so as to judge whether the temperature and humidity of the cable box are abnormal or maliciously opened, and the internal state of the box can be conveniently monitored by workers in real time, thereby meeting the actual requirements of real-time state management and equipment maintenance of the box in an electric service section and a work area, conveniently finding problems in time and reducing potential safety hazards;
2) the railway signal cable box internal environment monitoring device is also provided with a water immersion monitoring circuit, so that whether water enters the cable box or not is monitored in real time, and the damage to an internal circuit of the railway signal cable box caused by water entering is avoided;
3) the railway signal cable box internal environment monitoring device is also provided with a vibration monitoring circuit, so that the vibration intensity of the cable box is monitored, the internal stability of the cable box is ensured, the problems of poor contact of internal cables, damage of terminals and the like caused by over-strong vibration are prevented, whether the cable box topples over or not is monitored in real time, and the cable box is prevented from being maliciously damaged;
4) the controller is also connected with an alarm circuit, and alarm information is sent out when the cable box is opened, the cable box is toppled, the inside of the cable box is immersed in water or the temperature and humidity inside the cable box are abnormal, so that a worker is prompted to process the alarm information in time;
5) the controller is also in communication interconnection with an indoor railway centralized monitoring platform through a wireless communication module, so that the railway signal cable box internal environment monitoring device has a networking function.
Drawings
Fig. 1 is a schematic block diagram of a first embodiment of the present invention;
fig. 2 is a schematic block diagram of a second embodiment of the present invention;
fig. 3 is a schematic block diagram of a third embodiment of the present invention;
fig. 4 is a schematic block diagram of a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of the present invention.
In the figure: 1. a box body; 2. a controller; 3. a digital ambient light level and proximity sensor; 4. a temperature and humidity probe; 5. a circuit board; 6. a first metal probe; 7. a second metal probe; 8. a transparent cover plate; 9. a serial port communication isolation module; 10. a power supply module; 11. the water immersion monitoring circuit isolation module; 12.485 communication isolation module.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
As shown in fig. 5, the internal environment monitoring device for the railway signal cable box comprises a transparent cover plate 8, a box body 1 and a circuit board 5 arranged between the transparent cover plate 8 and the box body 1, wherein a controller 2, an uncovering monitoring circuit, a temperature and humidity monitoring circuit and a power module 10 are arranged on the circuit board 5, and the uncovering monitoring circuit is connected with the controller and used for monitoring whether the cable box is uncovered; the temperature and humidity monitoring circuit is connected with the controller and used for monitoring temperature and humidity information inside the cable box. The power module is used for respectively supplying power to the controller 2, the cover opening monitoring circuit, the temperature and humidity monitoring circuit and the like.
According to different railway signal cable boxes, the shell can be placed in the railway signal cable box in a mode of fixing by using a bracket or glue.
This embodiment has given a concrete implementation mode of monitoring circuit uncaps, uncap monitoring circuit includes digital environment illumination volume and proximity sensor, digital environment illumination volume and proximity sensor are used for monitoring the inside illumination volume of cable box or the monitoring whether someone is close in order to judge whether cable box uncaps. It should be noted that the uncapping monitoring circuit collects the illumination quantity and the infrared reflection quantity, and the problem of uncapping monitoring of the cable box is solved.
Specifically, the digital ambient light quantity and the proximity sensor are of the APDS9930 type or other devices capable of implementing the above functions, and the embodiment is not limited herein.
It should be noted that the digital ambient light quantity and proximity sensor has two sensing functions: (1) the brightness of the surrounding environment can be reflected, and the collection range of the ambient light can reach 0.01 lux to 100 klux; (2) the approaching of an object can be sensed according to the infrared distance measurement principle. In this embodiment, the digital ambient light quantity and the proximity sensor are used, and in a clear day, the ambient light quantity monitoring function is used, so that if the ambient light quantity inside the cable box is larger than a first normal numerical range (the light data inside the box under normal conditions), it can be determined that the cable box is opened or the tightness is in a problem. Under the condition of night, when whether the cable box is opened or not can not be judged through the ambient light quantity data, the infrared detection function of the sensor is utilized, and if the collected infrared reflection quantity data is not in the second normal numerical range (the infrared reflection quantity data in the box under the normal condition), the condition that the box is opened manually at night can be judged.
In one embodiment, the first normal value range and the second normal value range measured by the digital ambient light quantity and the proximity sensor need to measure the brightness value of the cable box when the cable box is completely sealed, and the theoretical value is less than 1 lux; when the sunlight is directly irradiated in summer, the outdoor illumination intensity can reach 6 to 10 ten thousand lux, the outdoor illumination intensity without the sun is 1k to 10k lux, the indoor illumination intensity in bright summer is 100 to 550lux, and the outdoor illumination intensity in the evening at night is 0.2 lux; therefore, the first normal numerical range and the second normal numerical range may be adaptively modified according to actual needs.
Furthermore, the temperature and humidity monitoring circuit adopts a temperature and humidity sensor, and the temperature measuring range can reach-40 ℃ to 125 ℃; specifically, the type of the temperature and humidity sensor may be SHT-31 or another sensor capable of realizing a temperature and humidity monitoring function, which is not limited herein.
Specifically, this embodiment is with temperature and humidity sensor and circuit integration inside temperature and humidity probe 4, and temperature and humidity probe 4 is sealed the protection by the sensor protective housing, and white part bubble cotton possess better gas permeability and certain waterproof, dustproof ability, makes temperature and humidity sensor can accurately measure the inside ambient temperature of railway signal cable box and humidity.
In one embodiment, the normal value range of the temperature and humidity information inside the cable box is measured according to the local outdoor temperature and humidity; wherein the absolute deviation of the temperature is less than or equal to 0.3 ℃, and the absolute deviation of the humidity is less than or equal to 2%; and the adaptability modification can be carried out according to the actual requirement.
It can be understood that digital environment illumination volume and proximity sensor 3 correspond the setting and are in 8 below transparent cover plates, in order to improve the monitoring accuracy of uncapping, digital environment illumination volume and proximity sensor 3 with still set up the support column between the circuit board 5, in order to raise digital environment illumination volume and proximity sensor 3's height.
Further, the controller is also in communication interconnection with the indoor railway centralized monitoring platform through the PLC communication module and is used for uploading monitored temperature and humidity information inside the cable box and information about whether the cable box is opened to the indoor railway centralized monitoring platform for centralized monitoring.
The controller, the cover opening monitoring circuit and the temperature and humidity monitoring circuit form an environment monitoring module of an internal environment monitoring device of a railway signal cable box, the environment monitoring module is communicated with the PLC communication module through an RS232 chip and a serial port communication isolation module 9, and the PLC communication module is in communication connection with the indoor railway centralized monitoring platform through a power cable; and the PLC communication module packs the environment quantity information uploaded by the environment monitoring module and then transmits the environment quantity information to the indoor railway centralized monitoring platform at regular time for centralized monitoring.
Specifically, the controller may be an STM32F103 series single chip microcomputer, the digital ambient light amount and the proximity sensor 3 may be an APDS9930, the PLC communication module may be a MAX44211ETP, and the indoor railway centralized monitoring platform may be a server or the like; the controller is also sequentially connected with the 485 communication isolation module 12 and the 485 interface chip to carry out interface expansion.
The PLC communication module still does the power supply of environment monitoring module, it is concrete, use the inside power cable who link up of cable box supplies power, arrange power cable positive and negative (red is positive, blue is the burden) respectively in with two cables of PLC communication module power supply, work display lamp among the inside environment monitoring device of railway signal cable box normally lights and flashes for a second, it is normal to show the power supply, at this moment, the user can be through the indoor industrial computer of the interior machinery of station, look over the environment monitoring numerical value of cable box, if each numerical value all is in normal numerical value range, then explain that whole inside environment monitoring device of cable box operates normally.
Example 2
This example differs from example 1 in that: the controller is further connected with a vibration monitoring circuit, and the vibration monitoring circuit is used for monitoring whether the cable box is toppled or not, as shown in attached figure 1.
This embodiment provides a concrete implementation way of vibrations monitoring circuit, vibrations monitoring circuit includes vibrations sensor, vibrations sensor is used for gathering the gradient of cable box is in order to judge whether the cable box emptys. It should be noted that the internal environment monitoring device of the railway signal cable box carries out acceleration data acquisition through the vibration sensor, thereby solving the technical problem of monitoring the tilting of the cable box.
Specifically, the type of the vibration sensor may be MPU6050 or another sensor capable of implementing an acceleration detection function, which is not limited herein.
In the embodiment, the acquisition range of the vibration sensor can reach +/-16G, and the controller judges the degree of vibration impact on the cable box through the variation value of the vibration sensor; if the value of the vibration sensor is not accordant with the preset normal value, the case is possibly toppled.
In one embodiment, the case inclination data is determined from the orientation of a field-mounted shock sensor, and Earth's gravitational pull has a gravitational acceleration of approximately 1g, i.e., 9.8m/s, for the case. If the installation is flat enough, one of the three values of the vibration value x-axis, y-axis and z-axis should be about 9.8, and if the installation is not flat enough, the sum of the squares of the three-axis accelerations is about 96.04 (i.e. 9.8 squares).
Therefore, the internal environment monitoring device of the railway signal cable box has the functions of uncovering, monitoring and dumping while having the functions of temperature and humidity monitoring.
Example 3
The present embodiment differs from the above embodiments in that: the controller is also connected with a water immersion monitoring circuit, and the water immersion monitoring circuit is used for monitoring whether water enters the cable box or not, as shown in the attached drawing 2.
This embodiment provides a concrete implementation mode of water logging monitoring circuit, water logging monitoring circuit includes first metal probe 6 and second metal probe 7, first metal probe 6 with second metal probe 7 is connected respectively controller 2 is used for monitoring voltage/electric current/conductivity between first metal probe 6 and the second metal probe 7 is in order to judge whether the cable box is inside to intake.
It should be noted that, regarding the judgment of whether water enters the cable box, in this embodiment, two metal probes are externally connected to monitor the voltage/current/conductivity between the first metal probe and the second metal probe to judge; when the water immersion condition occurs inside the cable box, a closed loop is formed between the first metal probe 6 and the second metal probe 7 due to the water medium, when the controller 2 monitors that the voltage/current/conductivity changes, the water immersion inside the cable box can be known, and then the problem of water immersion monitoring of the box is solved through the water immersion monitoring circuit.
Specifically, the water immersion monitoring circuit is connected with the controller 2 through a water immersion monitoring circuit isolation module 11 to perform signal isolation; the water logging monitoring circuit isolation module 11 may adopt a DCDC power isolation module or other chips capable of realizing signal isolation.
Therefore, the inside environment monitoring device of railway signal cable box still has the water logging monitoring function simultaneously when possessing the monitoring function of uncapping, empting monitoring function and humiture monitoring function.
Example 4
The present embodiment differs from the above embodiments in that: the controller is also connected with an alarm circuit, and the controller drives the alarm circuit to be turned on or turned off, as shown in figure 3.
Specifically, the alarm circuit comprises a buzzer alarm circuit, the buzzer alarm circuit comprises a triode and a buzzer, the base of the triode is connected with a pin of the controller through a resistor, the collector of the triode is grounded, the emitter of the triode is connected with the control end of the buzzer, and the buzzer is also connected with a power supply end; the controller sends high-low level control triode and is in a conducting or cut-off state, and then controls the alarm circuit to open or close, so that the buzzer alarm circuit sends out a buzzing when the cable box is uncovered, the cable box is toppled over, the water in the cable box is soaked or the temperature and humidity are abnormal, the prompt staff timely check the alarm circuit, and more serious consequences are avoided.
Therefore, the internal environment monitoring device of the railway signal cable box has the functions of uncovering, temperature and humidity monitoring, water immersion and dumping and monitoring and also has the function of alarming.
Example 5
The present embodiment differs from the above embodiments in that: the controller is also in communication interconnection with an indoor railway centralized monitoring platform through a wireless communication module, so that the railway signal cable box internal environment monitoring device has a networking function, as shown in the attached figure 4.
Specifically, the wireless communication module may be a 5G communication module; the 5G communication module may be a remote communication RG500Q module or other types capable of implementing the above functions, and the implementation is not limited herein. In other embodiments, the wireless communication module may also be one or more of a 4G communication module, a bluetooth wireless communication module, a WiFi wireless communication module, and the like.
The indoor railway centralized monitoring platform can be used as a smart phone, a PC (personal computer) or a tablet personal computer of superior supervisory personnel, and the railway signal cable box internal environment monitoring device with the networking function can upload abnormal information in time to realize dynamic supervision of the cable box internal environment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides an inside environmental monitoring device of railway signal cable box which characterized in that: comprises a controller, a cover opening monitoring circuit and a temperature and humidity monitoring circuit, wherein,
the cover opening monitoring circuit is connected with the controller and used for monitoring whether the cable box is opened or not;
the temperature and humidity monitoring circuit is connected with the controller and used for monitoring temperature and humidity information inside the cable box.
2. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 1, wherein: the controller is also connected with a water immersion monitoring circuit, and the water immersion monitoring circuit is used for monitoring whether water enters the cable box.
3. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 2, wherein: the water logging monitoring circuit comprises a first metal probe and a second metal probe, wherein the first metal probe and the second metal probe are respectively connected with the controller and used for monitoring voltage/current/conductivity between the first metal probe and the second metal probe so as to judge whether water enters the cable box or not.
4. The apparatus for monitoring an internal environment of a railway signal cable box according to any one of claims 1 to 3, wherein: the controller is further connected with a vibration monitoring circuit, and the vibration monitoring circuit is used for monitoring whether the cable box is toppled or not.
5. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 4, wherein: the vibration monitoring circuit comprises a vibration sensor, and the vibration sensor is used for acquiring the inclination of the cable box to judge whether the cable box is toppled or not.
6. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 4, wherein: the controller is further connected with an alarm circuit, and the controller drives the alarm circuit to be turned on or turned off.
7. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 1, wherein: the uncovering monitoring circuit comprises a digital environment illumination amount and a proximity sensor, wherein the digital environment illumination amount and the proximity sensor are used for monitoring the illumination amount inside the cable box or monitoring whether a person approaches to judge whether the cable box is uncovered.
8. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 7, wherein: still include transparent cover and box body, digital environment illumination volume and proximity sensor correspond the setting and are in transparent cover below.
9. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 1, wherein: the controller is also in communication interconnection with the indoor railway centralized monitoring platform through the PLC communication module.
10. The apparatus for monitoring an internal environment of a railway signal cable box according to claim 1, wherein: the controller is also in communication interconnection with the indoor railway centralized monitoring platform through the wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022463169.4U CN213812380U (en) | 2020-10-30 | 2020-10-30 | Internal environment monitoring device for railway signal cable box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022463169.4U CN213812380U (en) | 2020-10-30 | 2020-10-30 | Internal environment monitoring device for railway signal cable box |
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| CN213812380U true CN213812380U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446025A (en) * | 2021-12-23 | 2022-05-06 | 南昌铁路勘测设计院有限责任公司 | Method and system for monitoring internal environment of cable box, storage medium and equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446025A (en) * | 2021-12-23 | 2022-05-06 | 南昌铁路勘测设计院有限责任公司 | Method and system for monitoring internal environment of cable box, storage medium and equipment |
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Effective date of registration: 20240506 Address after: 450001 No.188, science Avenue, high tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee after: HENAN SPLENDOR SCIENCE & TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: HENAN HUIHUANG SOFTWARE CO.,LTD. Address before: 450001 No.188, science Avenue, high tech Industrial Development Zone, Zhengzhou City, Henan Province Patentee before: HENAN SPLENDOR SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |