CN215573099U - Service library environment monitoring device and system - Google Patents

Service library environment monitoring device and system Download PDF

Info

Publication number
CN215573099U
CN215573099U CN202121751795.1U CN202121751795U CN215573099U CN 215573099 U CN215573099 U CN 215573099U CN 202121751795 U CN202121751795 U CN 202121751795U CN 215573099 U CN215573099 U CN 215573099U
Authority
CN
China
Prior art keywords
module
environment monitoring
main control
control board
environment
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
CN202121751795.1U
Other languages
Chinese (zh)
Inventor
赵泉
林万春
裴军
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.)
Guangdong Lvan Industry And Commerce Co ltd
Original Assignee
Guangdong Lvan Industry And Commerce 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 Guangdong Lvan Industry And Commerce Co ltd filed Critical Guangdong Lvan Industry And Commerce Co ltd
Priority to CN202121751795.1U priority Critical patent/CN215573099U/en
Application granted granted Critical
Publication of CN215573099U publication Critical patent/CN215573099U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model provides a service library environment monitoring device and a system, wherein a main control board of the service library environment monitoring device is respectively connected with a conversion module, a communication module and an environment monitoring module, and a signal acquisition module of the environment monitoring module is used for acquiring environment monitoring data detected by a sensor; the conversion module is respectively connected with the main control board and the environment monitoring module; the communication module comprises a wired communication module and a wireless communication module, and the main control board acquires environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module. The utility model avoids the problem that a data conversion tool needs to be arranged on the upper computer, reduces the work load of the upper computer, improves the work efficiency, indirectly enlarges the quantity of the sensors connected with the upper computer and the acquired environmental data in a mode of collecting the sensor data by the main control board and transmitting the sensor data to the upper computer, and reduces the environmental monitoring cost and the labor cost.

Description

Service library environment monitoring device and system
Technical Field
The utility model relates to the field of service library environment monitoring, in particular to a service library environment monitoring device and system.
Background
The service library environment monitoring is characterized in that a service library environment monitoring organization monitors and measures the environment quality condition, the service library environment monitoring determines the environment pollution condition and the environment quality by monitoring and measuring indexes reflecting the environment quality, the service library environment monitoring mainly comprises physical index monitoring, chemical index monitoring and ecosystem monitoring, is the basis of scientific environment management and environment law enforcement supervision, and is essential basic work for environment protection.
In order to effectively collect the relevant data of environmental monitoring, a large number of various environmental monitoring sensors need to be arranged in different areas to collect environmental data. However, the data transmission protocols and data formats often adopted by the sensors are different, so that an upper computer for receiving the environmental data needs to adopt different data transmission protocols to process data and be compatible with different data formats aiming at different sensors, the workload of the upper computer is increased, the data processing efficiency is reduced, the number of the sensors which can be connected with the upper computer is limited, in order to acquire more environmental data, a plurality of upper computers need to be arranged and a plurality of managers need to be distributed to process the environmental data, and the environmental monitoring cost and the labor cost are increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the service library environment monitoring device which is provided with the main control board and the conversion module, the data transmitted between the main control board and the conversion module is converted into the data which can be identified by a data receiving object by the conversion module, the problem that a data conversion tool needs to be arranged on an upper computer is avoided, the work load of the upper computer is reduced, the work efficiency is improved, the quantity of sensors connected with the upper computer and the obtained environment data are indirectly increased in a mode that the sensor data are collected by the main control board and then transmitted to the upper computer, and the environment monitoring cost and the labor cost are reduced.
In order to solve the above problems, the present invention adopts a technical solution as follows: a service library environment monitoring device comprises a main control board, a conversion module, a communication module and an environment monitoring module, wherein the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module; the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board; the communication module comprises a wired communication module and a wireless communication module, the main control board acquires the environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
Further, the sensor comprises at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor and a rainfall sensor.
Furthermore, the service library environment monitoring device further comprises a power supply module, and the power supply module is connected with the main control board and the signal acquisition module to supply power to the main control board and the signal acquisition module.
Furthermore, the environment monitoring module further comprises a detection module, wherein the detection module is connected with the signal acquisition module and used for judging whether the data transmitted or received by the signal acquisition module meet preset conditions or not, and transmitting a judgment result to the upper computer through the main control board.
Furthermore, the service library environment monitoring device further comprises a display module, the display module is connected with the main control board, and the main control board displays the received or transmitted data through the display module.
Based on the same invention concept, the utility model also provides a service library environment monitoring system, which comprises at least one service library environment monitoring device and an upper computer, wherein the upper computer is connected with the service library environment monitoring device, the service library environment monitoring device comprises a main control board, a conversion module, a communication module and an environment monitoring module, the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module, the environment monitoring module comprises a signal acquisition module, and the signal acquisition module is used for acquiring environment monitoring data detected by a sensor; the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board; the communication module comprises a wired communication module and a wireless communication module, the main control board acquires the environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
Further, the sensor comprises at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor and a rainfall sensor.
Furthermore, the service library environment monitoring device further comprises a power supply module, wherein the power supply module is connected with the main control board, and the signal acquisition module is used for supplying power to the main control board and the signal acquisition module.
Furthermore, the service library environment monitoring module further comprises a detection module, wherein the detection module is connected with the signal acquisition module and used for judging whether the data transmitted or received by the signal acquisition module meet preset conditions or not and transmitting the judgment result to the upper computer through the main control board.
Furthermore, the service library environment monitoring device further comprises a display module, the display module is connected with the main control board, and the main control board displays the received or transmitted data through the display module.
Compared with the prior art, the utility model has the beneficial effects that: set up main control board and conversion module, utilize conversion module to convert the data of transmission between main control board and the conversion module into the data that data receiving object can discern, avoided needing to set up the problem of data conversion instrument at the host computer, the work burden of host computer has been alleviateed, work efficiency has been promoted, and the mode of transmitting for the host computer after collecting sensor data through the main control board has enlarged the sensor quantity of host computer connection and the environmental data who acquires indirectly, environmental monitoring cost and human cost have been reduced.
Drawings
FIG. 1 is a diagram of a service repository environment monitoring apparatus according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating data transmission of an embodiment of a device for monitoring an environment of a service repository;
FIG. 3 is a block diagram of another embodiment of the device for monitoring the environment of the service depot according to the present invention;
FIG. 4 is a block diagram of an embodiment of a system for monitoring an environment of a service repository;
fig. 5 is a structural diagram of another embodiment of the service depot environment monitoring system of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1-3, fig. 1 is a structural diagram of an embodiment of a service library environment monitoring device according to the present invention; FIG. 2 is a diagram illustrating data transmission of an embodiment of a device for monitoring an environment of a service repository; fig. 3 is a structural diagram of another embodiment of the service library environment monitoring device of the present invention, which is described in detail with reference to fig. 1-3.
In this embodiment, the service library environment monitoring device includes a main control board, a conversion module, a communication module and an environment monitoring module, the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module, the environment monitoring module includes a signal acquisition module, and the signal acquisition module is used for acquiring environment monitoring data detected by a sensor; the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board; the communication module comprises a wired communication module and a wireless communication module, and the main control board acquires environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
The main control board can be a single chip microcomputer, a CPU, a DSP and other devices capable of receiving and transmitting data transmitted by the environment monitoring module. The main control board can remotely receive a detection instruction issued by the upper computer and control the environment monitoring module to acquire corresponding environment monitoring data according to the detection instruction.
In this embodiment, the wireless communication module is a 5G communication module, and in other embodiments, the wireless communication module may also be a module that performs communication by using WiFi, bluetooth, infrared, 4G, and other wireless communication methods.
In this embodiment, the wired communication module is an ethernet communication module, and in other embodiments, the wired communication module may also be a communication module that transmits data through a data transmission cable, such as an RS232, an RS485, a CAN bus communication module, and the like.
In other embodiments, the main control board may further receive, through the communication module, the environment monitoring data transmitted by the communication monitoring module in a wired or wireless manner.
In this embodiment, the upper computer includes a physical server such as a computer and a virtual server such as a cloud.
In a specific embodiment, the wireless communication module is a 5G module plug board, the telecommunication base station, the internet and the networking platform are sequentially connected, and the networking platform is used as an upper computer to process data transmitted by the main control board. The data transmitted by the main control board through the wired communication module are transmitted to the networking platform through the router and the internet in sequence. The data transmission mode is expanded by the mode of arranging the wireless communication module and the wired communication module, and the stability of data transmission is improved.
In this embodiment, the communication module is disposed independently from the main control board, and in other embodiments, the wired communication module or the wireless communication module may also be integrated with the main control board on the same circuit board.
In the present embodiment, the sensor includes at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor, and a rainfall sensor. The main control board records data transmitted by the environment monitoring module and transmits the data to a server and a cloud platform in the upper computer. The service library environment monitoring device can also send the working state information of each internal module to the upper computer.
In other embodiments, the service library environment monitoring module may further include a sensor capable of monitoring an environment, such as a wind speed sensor, an ultraviolet radiation sensor, and a haze sensor.
In this embodiment, the service library environment monitoring apparatus further includes a power supply module, and the power supply module is connected to the main control board and the signal acquisition module to supply power to the main control board and the signal acquisition module. In other embodiments, the power module may also be integrally connected with the environmental monitoring module to provide power to the environment monitoring module as a whole.
In a specific embodiment, the power module is a power box, and a battery is arranged in the power box and is respectively connected with the upper computer and the main control board. And the power supply is used as a standby power supply to supply power to the main control board.
In this embodiment, the service library environment monitoring device further includes a detection module, and the detection module is connected with the signal acquisition module and is used for judging whether data transmitted or received by the main control board meets a preset condition, and transmitting a judgment result to the upper computer through the main control board. The preset conditions comprise data used for judging whether the service library environment monitoring device works normally, such as signal strength between the sensor and the signal acquisition module, sensitivity of the sensor, whether environment monitoring data are abnormal and the like.
In a specific embodiment, the detection module stores normal range values of different types of environment monitoring data, acquires the received environment monitoring data from the main control board, judges whether the data exceeds a pre-stored normal range value, and sends a reminding message of data abnormality to the upper computer together with the main control board if the data exceeds the pre-stored normal range value.
In this embodiment, the main control board further detects the operating state information of the power module, and sends the information that the power module is abnormal when it is determined that the power module is abnormal.
In this embodiment, the environmental service library environment monitoring device further includes a display module, the display module is connected to the main control board, and the main control board displays the received or transmitted data through the display module. The data also comprises working state information of the main control board and the power supply module, signal strength information of the sensor, data acquisition sensitivity information of the environment monitoring module, abnormal data information and the like.
In this embodiment, the conversion module is connected with the sensors in the environment monitoring module in a one-to-one matching manner through any one of RS232, RS485, UART, SPI, I2C and TCP/IP buses, so as to acquire environment monitoring data acquired by the sensors.
Has the advantages that: the service library environment monitoring device utilizes the conversion module to convert the data transmitted between the main control board and the conversion module into the data which can be identified by a data receiving object, avoids the problem that a data conversion tool needs to be arranged on an upper computer, reduces the workload of the upper computer, improves the working efficiency, indirectly enlarges the quantity of sensors connected with the upper computer and the acquired environment data in a mode that the main control board collects the sensor data and transmits the sensor data to the upper computer, and reduces the environment monitoring cost and the labor cost.
Based on the same inventive concept, the present invention further provides a service repository environment monitoring system, please refer to fig. 4 and 5, fig. 4 is a structural diagram of an embodiment of the service repository environment monitoring system of the present invention; fig. 5 is a structural diagram of another embodiment of the service depot environment monitoring system of the present invention. The service library environment monitoring system of the present invention will be described in detail with reference to fig. 4 and 5.
In this embodiment, the service library environment monitoring system includes at least one service library environment monitoring device and an upper computer, the upper computer is connected with the service library environment monitoring device, the service library environment monitoring device includes a main control board, a conversion module, a communication module and an environment monitoring module, the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module, the environment monitoring module includes a signal acquisition module, and the signal acquisition module is used for acquiring environment monitoring data detected by a sensor; the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board; the communication module comprises a wired communication module and a wireless communication module, and the main control board acquires environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
The main control board can be a single chip microcomputer, a CPU, a DSP and other devices capable of receiving and transmitting data transmitted by the environment monitoring module. The main control board can remotely receive a detection instruction issued by the upper computer and control the environment monitoring module to acquire corresponding environment monitoring data according to the detection instruction.
In this embodiment, the wireless communication module is a 5G communication module, and in other embodiments, the wireless communication module may also be a module that performs communication by using WiFi, bluetooth, infrared, 4G, and other wireless communication methods.
In this embodiment, the wired communication module is an ethernet communication module, and in other embodiments, the wired communication module may also be a communication module that transmits data through a data transmission cable, such as an RS232, an RS485, a CAN bus communication module, and the like.
In other embodiments, the main control board may further receive, through the communication module, the environment monitoring data transmitted by the communication monitoring module in a wired or wireless manner.
In this embodiment, the upper computer includes a physical server such as a computer and a virtual server such as a cloud.
In a specific embodiment, the wireless communication module is a 5G module plug board, the telecommunication base station, the internet and the networking platform are sequentially connected, and the networking platform is used as an upper computer to process data transmitted by the main control board. The data transmitted by the main control board through the wired communication module are transmitted to the networking platform through the router and the internet in sequence. The data transmission mode is expanded by the mode of arranging the wireless communication module and the wired communication module, and the stability of data transmission is improved.
In this embodiment, the communication module is disposed independently from the main control board, and in other embodiments, the wired communication module or the wireless communication module may also be integrated with the main control board on the same circuit board.
In the present embodiment, the sensor includes at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor, and a rainfall sensor. The main control board records data transmitted by the environment monitoring module and transmits the data to a server and a cloud platform in the upper computer. The service library environment monitoring device can also send the working state information of each internal module to the upper computer.
In other embodiments, the environment monitoring module may further include a wind speed sensor, an ultraviolet radiation sensor, a haze sensor, and other sensors capable of monitoring the environment.
In this embodiment, the service library environment monitoring apparatus further includes a power supply module, and the power supply module is connected to the main control board and the signal acquisition module to supply power to the main control board and the signal acquisition module. In other embodiments, the power module may also be integrally connected with the environmental monitoring module to provide power to the environment monitoring module as a whole.
In a specific embodiment, the power module is a power box, and a battery is arranged in the power box and is respectively connected with the upper computer and the main control board. And the power supply is used as a standby power supply to supply power to the main control board.
In this embodiment, the service library environment monitoring device further includes a detection module, and the detection module is connected with the signal acquisition module and is used for judging whether data transmitted or received by the main control board meets a preset condition, and transmitting a judgment result to the upper computer through the main control board. The preset conditions comprise data used for judging whether the service library environment monitoring device works normally, such as signal strength between the sensor and the signal acquisition module, sensitivity of the sensor, whether environment monitoring data are abnormal and the like.
In a specific embodiment, the detection module stores normal range values of different types of environment monitoring data, acquires the received environment monitoring data from the main control board, judges whether the data exceeds a pre-stored normal range value, and sends a reminding message of data abnormality to the upper computer together with the main control board if the data exceeds the pre-stored normal range value.
In this embodiment, the main control board further detects the operating state information of the power module, and sends the information that the power module is abnormal when it is determined that the power module is abnormal.
In this embodiment, the service library environment monitoring apparatus further includes a display module, the display module is connected to the main control board, and the main control board displays the received or transmitted data through the display module. The data also comprises working state information of the main control board and the power supply module, signal strength information of the sensor, data acquisition sensitivity information of the environment monitoring module, abnormal data information and the like.
In this embodiment, the conversion module is connected with the sensors in the environment monitoring module in a one-to-one matching manner through any one of RS232, RS485, UART, SPI, I2C and TCP/IP buses, so as to acquire environment monitoring data acquired by the sensors.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The service library environment monitoring device is characterized by comprising a main control board, a conversion module, a communication module and an environment monitoring module, wherein the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module;
the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board;
the communication module comprises a wired communication module and a wireless communication module, the main control board acquires the environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
2. The environmental monitoring device of claim 1, wherein the sensor includes at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor, and a rain sensor.
3. The device for monitoring the environment of the service library according to claim 1, further comprising a power module, wherein the power module is connected to the main control board and the signal acquisition module to supply power to the main control board and the signal acquisition module.
4. The device for monitoring the environment of the service library according to claim 3, wherein the environment monitoring module further comprises a detection module, and the detection module is connected with the signal acquisition module and is used for judging whether the data transmitted or received by the signal acquisition module meets a preset condition, and transmitting the judgment result to the upper computer through the main control board.
5. The device for monitoring the environment of the service library according to claim 1, further comprising a display module, wherein the display module is connected to the main control board, and the main control board displays the received or transmitted data through the display module.
6. A service library environment monitoring system is characterized by comprising at least one service library environment monitoring device and an upper computer, wherein the upper computer is connected with the service library environment monitoring device, the service library environment monitoring device comprises a main control board, a conversion module, a communication module and an environment monitoring module, the main control board is respectively connected with the conversion module, the communication module and the environment monitoring module, the environment monitoring module comprises a signal acquisition module, and the signal acquisition module is used for acquiring environment monitoring data detected by a sensor;
the conversion module is respectively connected with the main control board and the environment monitoring module and is used for converting data transmitted by the main control board/the environment monitoring module into data matched with the environment monitoring module/the main control board;
the communication module comprises a wired communication module and a wireless communication module, the main control board acquires the environment monitoring data transmitted by the environment monitoring module and transmits the environment monitoring data to the upper computer through the communication module.
7. The environmental monitoring system of claim 6, wherein the sensor includes at least one of a temperature sensor, a humidity sensor, a wind direction sensor, an ultraviolet sensor, an atmospheric pressure sensor, a carbon dioxide sensor, and a rain sensor.
8. The system for monitoring the environment of the service library of claim 6, wherein the device for monitoring the environment of the service library further comprises a power module, and the power module is connected with the main control board and the signal acquisition module to supply power to the main control board and the signal acquisition module.
9. The system for monitoring the environment of the service library according to claim 8, wherein the environment monitoring module further comprises a detection module, and the detection module is connected to the signal acquisition module and is configured to determine whether data transmitted or received by the signal acquisition module meets a preset condition, and transmit a determination result to the upper computer through the main control board.
10. The system for monitoring the environment of the service library of claim 6, wherein the device for monitoring the environment of the service library further comprises a display module, the display module is connected with the main control board, and the main control board displays the received or transmitted data through the display module.
CN202121751795.1U 2021-07-29 2021-07-29 Service library environment monitoring device and system Active CN215573099U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121751795.1U CN215573099U (en) 2021-07-29 2021-07-29 Service library environment monitoring device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121751795.1U CN215573099U (en) 2021-07-29 2021-07-29 Service library environment monitoring device and system

Publications (1)

Publication Number Publication Date
CN215573099U true CN215573099U (en) 2022-01-18

Family

ID=79829861

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121751795.1U Active CN215573099U (en) 2021-07-29 2021-07-29 Service library environment monitoring device and system

Country Status (1)

Country Link
CN (1) CN215573099U (en)

Similar Documents

Publication Publication Date Title
CN105159284B (en) A kind of automobile engine failure diagnosis and calibration facility
CN202903334U (en) Cable intermediate joint temperature monitoring system
KR102055179B1 (en) The apparatus of smart energy management to energy visualize in solar power
CN201750226U (en) Remote detecting system of substation
CN101738975A (en) Air conditioner temperature wireless monitoring system and method
CN112130473A (en) Converter control system based on thing networking
CN113660348A (en) Internet of things system architecture and terminal equipment thereof
CN215573099U (en) Service library environment monitoring device and system
CN212258984U (en) Gateway device of Internet of things
CN103017824A (en) Monitoring system using measurement robot
CN109405896A (en) The detection system and method for equipment running status
CN115436865A (en) Current transformer secondary loop monitoring system and method based on infrared thermal imaging
CN212513008U (en) Posture measuring terminal
CN205274925U (en) Monitored control system suitable for elevator in building
CN201765684U (en) Network monitoring system for things in coal yard
CN207780556U (en) Danger source and environment monitoring warning system
CN203165187U (en) Wireless data acquisition device
CN111162733A (en) Fault detection system of photovoltaic module
CN111294363A (en) Vehicle-mounted data acquisition device for hazardous chemical substance transport vehicle
CN210609140U (en) Car networking system based on car networking device
CN213547562U (en) Engineering safety comprehensive detection system based on multiple sampling units
CN211644220U (en) Elevator SDT data service terminal and safe operation monitoring system thereof
CN217935959U (en) Detection and transmission system suitable for power generation unit
CN203689583U (en) Instant wireless routing inspection system for routing inspection on power equipment
CN213387318U (en) Hidden danger identification device for hydraulic buffer of elevator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant