CN218868340U - Wireless routing device designed for traditional ammeter communication - Google Patents

Abstract

The utility model discloses a wireless routing device designed for traditional electric meter communication. An installation component is arranged on the outer side of the casing, and a signal acquisition unit, a remote communication unit, a fault alarm unit, a power supply unit and an equipment maintenance unit are arranged inside; The electric meter signal is connected to the serial port, the power connection port, the Ethernet connection port and the memory card installation slot, and the electric meter is connected to the wireless routing device through the electric meter signal connection serial port; the electric meter signal connection serial port obtains the electric meter data signal through the Modbus protocol and converts it into an open system of the Internet of Things MQTT/CoAP protocol, send data to the remote cloud or data center through the remote communication unit. The equipment of this solution has the characteristics of light appearance, convenient installation, simple debugging and fault analysis, high stability, multiple communication interfaces, and perfect functions. It is a light wireless routing device designed for traditional electric meter communication and has a wide range of applications.

Description

A wireless routing device designed for traditional ammeter communication

technical field

The utility model belongs to the technical field of communication equipment, in particular to a wireless routing device designed for traditional electric meter communication.

Background technique

The future development of the meter reading market has been determined to be the direction of remote wireless meter reading. The existing installed meters cannot be replaced by wireless smart meters in a short period of time. It is necessary for electric meters to continue to exist in heavy electricity and industrial applications due to their particularity. , or installed in areas with poor coverage, it is necessary to use an external wireless routing device for wireless meter reading. However, most of the current external industrial wireless routers can only be used for commercial or general industrial applications, and are not specially developed for the installation location and communication requirements of electric meters. Therefore, it is necessary to design a dedicated wireless routing device for communication for traditional civil electricity meters for remote meter reading.

Utility model content

Purpose of the utility model: The purpose of this utility model is to provide a wireless routing device designed for traditional electric meter communication in view of the deficiencies of the prior art.

Technical solution: a wireless routing device designed for traditional electric meter communication according to the utility model, including a housing, an installation component is arranged on the outside of the housing, and a signal acquisition unit, a remote communication unit, and a fault alarm unit are arranged inside the housing , a power supply unit and an equipment maintenance and operation unit; the shell is provided with a meter signal connection serial port, a power connection port, an Ethernet connection port and a memory card installation slot, and the signal acquisition unit is the meter signal connection serial port for collecting the meter signal For data signals, the Ethernet connection port is connected to the internal network port, the internal network port is connected to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit, and the electric meter is connected to the wireless routing device through the electric meter signal connection serial port; the electric meter signal connection The serial port obtains the data signal of the meter through the Modbus protocol and converts it into the open MQTT/CoAP protocol of the Internet of Things, and sends the data to the remote cloud or data center through the remote communication unit;

The telecommunication unit includes a CPU processing module and a communication module, the CPU processing module is connected to a memory card installation slot, and the memory card in the memory card installation slot can collect and store data from the telecommunication unit;

The fault alarm unit includes a built-in Dying gsap generator and a tampering alarm component; the Dying gsap generator automatically sends a Dying gsap signal to the designated head-end server when the system input voltage is interrupted or cannot satisfy the normal operation of the system, so that The management system of the head-end server makes a corresponding response in real time; the tampering alarm assembly includes a built-in digital input interface and a contact sensor, and when the contact sensor senses the pressure to remove the shell, an alarm is issued through the built-in digital input interface;

The power supply unit is connected to the power connection port to supply power to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit.

Further, in order to facilitate the observation of the operating status of the equipment, an LED indicator light for equipment operating status is provided inside the housing, and a visible transparent panel is set in front of the housing; directly observe the status of the wireless routing device through the visible transparent panel. Operating status.

Furthermore, as a preferred embodiment, the housing is made of UL94 grade fireproof material and meets the waterproof IP51 requirement.

Furthermore, in order to avoid damage caused by field personnel mistakenly connecting different voltages, the power connection port can be connected to a power supply of 110VAC, 220VAC, 48VDC or 110VDC.

Further, a resettable fuse is provided on the outside of the housing, which can protect the equipment from damage.

Further, as a preferred implementation manner, the mounting assembly is a triangular mounting hole or a Din rail mounting member provided on the casing.

Furthermore, in order to improve the safety of use and meet the requirements of high electromagnetic protection and environmental parameters, a power plant-level EMC protection zone is also provided inside the casing.

Further, as a preferred implementation manner, the serial port for connecting the electric meter signal adopts an RS232/RS485 serial port.

Further, as a preferred implementation manner, a system reset key is also provided on the housing.

Furthermore, in order to solve abnormal problems in equipment operation in a timely manner, such as problems caused by abnormal weather conditions and unstable installation of the machine environment, to solve abnormal phenomena through data analysis and indirectly reduce operation and maintenance costs, a hardware gatekeeper is also installed in the housing Dog and pin watchdog, monitor the status of remote communication and automatically restart when the connection is confirmed to be interrupted, so as to restore the connection in time.

Beneficial effects: (1) The equipment of this solution has the characteristics of light appearance, convenient installation, simple debugging and fault analysis, high stability, multiple communication interfaces, and perfect functions. It is a light wireless routing device designed for traditional electric meter communication. It is suitable for The scope is wide; (2) This equipment conforms to the appearance and protection of the electric power industry, and is suitable for the appearance and installation method required by the electric power market. It meets the requirements of high electromagnetic protection and environmental parameters. The design of the resettable fuse protects the equipment from damage; (3) The signal acquisition unit adopts RS232/RS485 serial port design, which is switched by hardware adjustment buttons, and provides real-time status display, and the corresponding signal communication protocol is designed according to the communication method of the meter; (4) ) The equipment maintenance and operation unit adopts Ethernet electrical port or wireless Wi-fi for setting, and provides built-in antenna for short-distance Wi-fi setting, which can be set in batches with setting software; (5) The remote communication unit adopts high-speed The CPU is equipped with 4G LTE communication mode, which can carry out real-time and long-term stable data communication of the information obtained from data collection, and provide corresponding lights on the panel to display the connection status in real time, and support the mechanism of watching the door to monitor the remote communication status and confirm the connection. It can automatically restart when it is interrupted and restore the connection in time; (6) The fault alarm unit provides multiple methods including Dying Gasp, which can report the device security through the 4G network in time before the device is powered off without warning, and has the function of unpacking and tampering alarm. The hardware watchdog and pin watchdog monitor the remote communication status and automatically restart when the connection is confirmed to be interrupted, so as to restore the connection in time.

Description of drawings

Fig. 1 is the overall structure schematic diagram of embodiment 1 scheme;

Among them: 1. Shell, 2. Electric meter signal connection serial port, 3. Power connection port, 4. Ethernet connection port, 5. Memory card installation slot, 6. High-speed CPU processing module, 7. 4G communication module, 8. Dying gsap Generator, 9. Digital input interface, 10. Contact sensor, 11. Power supply unit, 12. Resettable fuse, 13. System reset key, 14. Power plant level EMC protection zone, 15. Internal network port.

Detailed ways

The technical scheme of the utility model will be described in detail below with the accompanying drawings, but the protection scope of the utility model is not limited to the described embodiments.

Embodiment 1: A wireless routing device designed for traditional electric meter communication, including a housing 1, the outer side of the housing 1 is provided with installation components, and the inside of the housing is provided with a signal acquisition unit, a remote communication unit, a fault alarm unit, and a power supply unit and equipment maintenance and operation unit; the shell 1 is provided with an ammeter signal connection serial port 2, a power supply connection port 3, an Ethernet connection port 4 and a memory card installation slot 5, and the signal acquisition unit is the ammeter signal connection serial port 2, used To collect the data signal of the electric meter, the Ethernet connection port 4 is connected to the internal network port 15, the internal network port is connected to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit, and the electric meter is connected to the serial port 2 and the wireless router through the electric meter signal. Device connection; the meter signal is connected to the serial port 2 to obtain the data signal of the meter through the Modbus protocol and convert it into the open MQTT/CoAP protocol of the Internet of Things, and send the data to the remote cloud or data center through the remote communication unit;

Described remote communication unit comprises high-speed CPU processing module 6 and 4G communication module 7, and described CPU processing module 6 is connected with memory card installation groove 5, and the memory card in memory card installation groove 5 can collect and store the data from remote communication unit ; Facilitate the collection and analysis of abnormal data, and provide a basis for maintenance programs;

The fault alarm unit includes a built-in Dying gsap generator 8 and a tampering alarm assembly; the Dying gsap generator 8 automatically sends a Dying gsap signal to the designated head-end server when the system input voltage is interrupted or cannot satisfy the normal operation of the system , allowing the management system of the head-end server to make a corresponding response in real time; the tampering alarm assembly includes a built-in digital input interface 9 and a touch sensor 10, and when the touch sensor 10 senses the pressure of unpacking, it is sent through the built-in digital input interface 9 alarm;

The power supply unit 11 is connected to the power connection port 3 to supply power to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit.

For the convenience of observing the operating status of the equipment, an LED indicator light for equipment operating status is provided inside the housing, and a visible transparent panel is arranged in front of the housing; the operating status of the wireless routing device can be directly observed through the visible transparent panel.

The shell is made of UL94 grade fireproof material and meets the waterproof IP51 requirement.

In order to avoid damage caused by accidental connection of different voltages by on-site personnel, the power supply connection port can be connected to a power supply of 110VAC, 220VAC, 48VDC or 110VDC.

A resettable fuse 12 is arranged on the outside of the shell, which can protect the equipment from damage.

The mounting component is a triangular mounting hole or a Din rail mounting piece set on the housing.

In order to improve the safety of use and meet the requirements of high electromagnetic protection and environmental parameters, a power plant-level EMC protection zone 14 is also provided inside the casing.

The serial port for connecting the electric meter signal adopts RS232/RS485 serial port.

The shell is also provided with a system reset key 13 .

In order to solve abnormal problems in equipment operation in a timely manner, such as problems caused by abnormal weather conditions and unstable installation of the machine environment, to solve abnormal phenomena through data analysis and indirectly reduce operation and maintenance costs, a hardware watchdog and pin are also installed in the housing. The watchdog monitors the status of remote communication and automatically restarts when the connection is interrupted, so as to restore the connection in time.

This equipment solution has the characteristics of light appearance, convenient installation, simple debugging and fault analysis, high stability, multiple communication interfaces, and perfect functions. It is a light wireless routing device designed for traditional electric meter communication and has a wide range of applications. It conforms to the appearance and protection of the electric power industry, and is suitable for the appearance and installation required by the electric power market. It meets the requirements of high electromagnetic protection and environmental parameters. It adopts a high-endurance shell in response to high pressure in the environment. It also has an external resettable fuse design to protect the equipment from damage. ;The signal acquisition unit adopts RS232/RS485 serial port design, which is switched by hardware adjustment buttons, and provides real-time status display, and the corresponding signal communication protocol is designed according to the communication mode of the meter; the equipment maintenance unit adopts Ethernet electrical port or wireless Wi-fi For setting, the built-in antenna is provided for short-distance wi-fi setting, and it can be set up in batches with setting software; the remote communication unit uses a high-speed CPU with 4G LTE communication mode, and the information obtained from data collection can be real-time and long-term Time stable data communication, and provide corresponding lights on the panel to display the online status in real time, support the door-to-door mechanism to monitor the remote communication status and automatically restart when the connection is interrupted, and restore the connection in time; the fault alarm unit provides a variety of The methods include Dying Gasp, which can report the device security through the 4G network in time before the device is powered off without warning. It has the function of unpacking and tampering alarm, hardware watchdog and pin watchdog, monitors the status of remote communication and automatically confirms that the connection is interrupted. Reboot and get back online in time.

As stated above, although the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A wireless routing device designed for traditional ammeter communication, characterized in that: it includes a housing, the outside of the housing is provided with a mounting assembly, and the inside of the housing is provided with a signal acquisition unit, a remote communication unit, a fault alarm unit, and a power supply unit and equipment maintenance and operation unit; the shell is provided with a meter signal connection serial port, a power connection port, an Ethernet connection port and a memory card installation slot, and the signal acquisition unit is the meter signal connection serial port for collecting the meter data signal, The Ethernet connection port is connected to the internal network port, the internal network port is connected to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit, and the ammeter is connected to the wireless routing device through the ammeter signal connection serial port; the ammeter signal is connected to the serial port through Modbus The protocol acquires the data signal of the meter and converts it into the open MQTT/CoAP protocol of the Internet of Things, and sends the data to the remote cloud or data center through the remote communication unit; The telecommunication unit includes a CPU processing module and a communication module, the CPU processing module is connected to a memory card installation slot, and the memory card in the memory card installation slot can collect and store data from the telecommunication unit; The fault alarm unit includes a built-in Dying gsap generator and a tampering alarm component; the Dying gsap generator automatically sends a Dying gsap signal to the designated head-end server when the system input voltage is interrupted or cannot satisfy the normal operation of the system, so that The management system of the head-end server makes a corresponding response in real time; the tampering alarm assembly includes a built-in digital input interface and a contact sensor, and when the contact sensor senses the pressure to remove the shell, an alarm is issued through the built-in digital input interface; The power supply unit is connected to the power connection port to supply power to the signal acquisition unit, the remote communication unit, the fault alarm unit and the equipment maintenance unit. 2. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: the housing is provided with an LED indicator light for equipment operation status, and the front of the housing is set as a visible transparent panel; The visible transparent panel directly observes the operating status of the wireless routing device. 3. The wireless routing device designed for traditional electric meter communication according to claim 2, characterized in that: the casing is made of UL94 grade fireproof material and meets the waterproof IP51 requirement. 4. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: the power connection port can be connected to a power supply of 110VAC, 220VAC, 48VDC or 110VDC. 5. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: a resettable fuse is arranged outside the housing. 6. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: the mounting component is a triangular mounting hole or a Din rail mounting piece provided on the casing. 7. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: a power plant-level EMC protection zone is also provided inside the housing. 8. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: the electric meter signal connection serial port adopts RS232/RS485 serial port. 9. The wireless routing device designed for traditional electric meter communication according to claim 1, wherein a system reset key is also provided on the housing. 10. The wireless routing device designed for traditional electric meter communication according to claim 1, characterized in that: a hardware watchdog and a pin watchdog are also provided in the housing to monitor the remote communication status and confirm that the connection is interrupted Automatically restart and restore the connection in time.

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