CN214590771U - Digital remote control intermediate equipment - Google Patents
Digital remote control intermediate equipment Download PDFInfo
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- CN214590771U CN214590771U CN202120473584.XU CN202120473584U CN214590771U CN 214590771 U CN214590771 U CN 214590771U CN 202120473584 U CN202120473584 U CN 202120473584U CN 214590771 U CN214590771 U CN 214590771U
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Abstract
The utility model provides a digital remote control intermediate equipment, include: the device comprises an equipment case, a protection circuit module, a strong current circuit board and a weak current circuit board; the equipment case is used for packaging the protection circuit module, the strong current circuit board and the weak current circuit board and connecting the controlled equipment with a mains supply alternating current power supply; the protection circuit module is used for providing overload and short-circuit protection for a line or the controlled equipment; the strong current circuit board is used for realizing alternating current/direct current power supply conversion and on-off of a controlled equipment power supply; and the weak current circuit board is used for collecting, communicating and controlling the information of the controlled equipment. The utility model discloses a do not do the condition of any change and adopt to non-digital equipment the utility model relates to a digital intermediate equipment has realized the digital upgrading transformation of traditional equipment.
Description
Technical Field
The utility model relates to a railway information electronization technical field especially relates to a digital remote control intermediate equipment.
Background
With the promotion of digital rural construction, the digital technology is rapidly fused with an agricultural industry system, a production system and an operation system, the digital transformation of agricultural production and operation is obviously improved, the digital level of management service is obviously improved, the economic proportion of agricultural digital is greatly improved, the digital treatment system of the rural area is gradually improved, and the agricultural digitization is a imperative trend.
However, most of the traditional electrical equipment in agricultural production in China, especially old equipment, do not have the digitalization function, if the old equipment is eliminated or technically modified, great waste is caused, and the existing scheme does not have the digitalization equipment for uniformly modifying the traditional old equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a digital remote control intermediate equipment for solve the problem that exists among the prior art.
The utility model provides a digital remote control intermediate equipment, include:
the device comprises an equipment case, a protection circuit module, a strong current circuit board and a weak current circuit board;
the equipment case is used for packaging the protection circuit module, the strong current circuit board and the weak current circuit board and connecting the controlled equipment with a mains supply alternating current power supply;
the protection circuit module is used for providing overload and short-circuit protection for a line or the controlled equipment;
the strong current circuit board is used for realizing alternating current/direct current power supply conversion and on-off of a controlled equipment power supply;
and the weak current circuit board is used for collecting, communicating and controlling the information of the controlled equipment.
In one embodiment, the equipment cabinet comprises a cabinet shell, a status indicator lamp, a power switch, an inlet terminal strip and an outlet terminal strip;
the state indicator lamp comprises a power indicator lamp and an operation indicator lamp, the power indicator lamp is used for displaying the on-off state of a power supply, and the operation indicator lamp is used for displaying the operation state of the equipment;
the start and stop of the power switch are respectively used for controlling the on and off of the power supply;
the incoming terminal strip is used for being connected with the commercial power alternating current power supply;
the outlet terminal strip is used for connecting the controlled equipment.
In one embodiment, the strong electric circuit board comprises an alternating current/direct current conversion module and a remote control circuit;
the alternating current/direct current conversion module is used for providing alternating current power supply for the controlled equipment, providing a direct current power supply for the local machine and providing a signal source for the data acquisition module;
the remote control circuit is used for controlling the on and off of the controlled equipment and the power supply.
In one embodiment, the protection circuit module is specifically used for protecting short circuit, severe overload and undervoltage of a circuit or electrical equipment, and performing the functions of manually contacting and breaking the circuit.
In one embodiment, the weak current circuit board comprises a data acquisition module, a central control processing module, an internet of things wireless communication module, a level matching conversion module and a Beidou position chip;
the data acquisition module is used for acquiring and storing a plurality of parameter information related to the controlled equipment power supply;
the central control processing module is used for storing the data output by the data acquisition module and providing control commands to the data acquisition module, the Internet of things wireless communication module and the level matching conversion module;
the Internet of things wireless communication module is used for sending the acquired data stored by the central control processing module to the cloud platform at regular time and issuing a remote control equipment on-off instruction through the cloud platform or a mobile phone end;
the level matching conversion module is used for matching the output voltage of the central control processing module with the output voltage of the internet of things wireless communication module;
the Beidou position chip is used for receiving Beidou satellite transmitting signals and carrying out equipment positioning based on the Beidou satellite transmitting signals.
The utility model discloses a do not do the condition of any change and adopt to non-digital equipment the utility model relates to a digital intermediate equipment has realized the digital upgrading transformation of traditional equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural composition diagram of the digital remote control intermediate device provided by the present invention;
fig. 2 is a schematic diagram of the digital remote control intermediate device according to the present invention;
fig. 3 is the utility model provides a MCU master control circuit, SIM card chip and data acquisition circuit pin sketch map.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. The terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 according to specific situations by those skilled in the art.
To the unable unified digital transformation scheme that realizes of traditional equipment in the current scheme, the utility model provides a digital remote control intermediate apparatus, as shown in FIG. 1, include:
the device comprises an equipment case, a protection circuit module, a strong current circuit board and a weak current circuit board;
the equipment case is used for packaging the protection circuit module, the strong current circuit board and the weak current circuit board and is used as a connecting bridge of the controlled equipment and a mains supply;
the protection circuit module is used for providing overload and short-circuit protection for a line or the controlled equipment;
the strong current circuit board is used for realizing alternating current/direct current power supply conversion and on-off of a controlled equipment power supply;
and the weak current circuit board is used for collecting, communicating and controlling the information of the controlled equipment.
Specifically, the utility model provides a digital remote control intermediate apparatus structurally divide into equipment machine case, protection circuit module, forceful electric power circuit board, the four bibliographic categories of weak current circuit board and divides: the equipment case comprises a case shell, a state indicator lamp (a power indicator lamp and an operation indicator lamp), a power switch (starting and stopping), a wiring bar (inlet) and a wiring bar (outlet); the function is to encapsulate all the components and quickly connect the controlled equipment with 220/380V AC power supply.
The utility model discloses a do not do the condition of any change and adopt to non-digital equipment the utility model relates to a digital intermediate equipment has realized the digital upgrading transformation of traditional equipment.
Based on the above embodiment, the equipment chassis comprises a chassis shell, a status indicator lamp, a power switch, an inlet terminal strip and an outlet terminal strip;
the state indicator lamp comprises a power indicator lamp and an operation indicator lamp, the power indicator lamp is used for displaying the on-off state of a power supply, and the operation indicator lamp is used for displaying the operation state of the equipment;
the start and stop of the power switch are respectively used for controlling the on and off of the power supply;
the incoming terminal strip is used for being connected with the commercial power alternating current power supply;
the outlet terminal strip is used for connecting the controlled equipment.
The strong electric circuit board comprises an alternating current/direct current conversion module and a remote control circuit;
the alternating current/direct current conversion module is used for providing alternating current power supply for the controlled equipment, providing a direct current power supply for the local machine and providing a signal source for the data acquisition module;
the remote control circuit is used for controlling the on and off of the controlled equipment and the power supply.
The protection circuit module is specifically used for protecting short circuit, severe overload and undervoltage of a circuit or electrical equipment and completing the functions of manually contacting and breaking the circuit.
The weak current circuit board comprises a data acquisition module, a central control processing module, an Internet of things wireless communication module, a level matching conversion module and a Beidou position chip;
the data acquisition module is used for acquiring and storing a plurality of parameter information related to the controlled equipment power supply;
the central control processing module is used for storing the data output by the data acquisition module and providing control commands to the data acquisition module, the Internet of things wireless communication module and the level matching conversion module;
the Internet of things wireless communication module is used for sending the acquired data stored by the central control processing module to the cloud platform at regular time and issuing a remote control equipment on-off instruction through the cloud platform or a mobile phone end;
the level matching conversion module is used for matching the output voltage of the central control processing module with the output voltage of the internet of things wireless communication module;
the Beidou position chip is used for receiving Beidou satellite transmitting signals and carrying out equipment positioning based on the Beidou satellite transmitting signals.
Specifically, as shown in fig. 2, the utility model provides a digital remote control intermediate device is divided into 8 functional modules from the principle and constitutes: the Beidou satellite communication system comprises an alternating current/direct current conversion module, a remote control circuit, data acquisition, central control processing, Internet of things wireless communication, a level matching conversion module, a protection circuit and a Beidou position chip.
The strong electric circuit board comprises a remote control circuit and an alternating current/direct current conversion module circuit. The remote control circuit comprises a current transformer and a contactor. The cloud platform downlink command is received by the communication module and the MCU central control processing chip and then fed back to the remote control circuit, and then the contactor controls the controlled equipment to be electrified and powered off remotely.
The weak current circuit board comprises data acquisition, central control processing, Internet of things wireless communication (SIM card and communication antenna), a level matching conversion module and a Beidou position chip, wherein each module is integrated with the bottom chip and integrated on a printed circuit board.
The alternating current/direct current conversion module is positioned in the strong electric circuit board and is used for providing alternating current power supply for the traditional controlled equipment; the power supply is also used for the alternating current/direct current power supply conversion between the power supply and the electrical appliance, and provides a direct current power supply for the utility model; and the signal source is also used for providing a signal source for the data acquisition module.
The remote control circuit is used for controlling the on-off of the controlled equipment and the power supply.
The data acquisition circuit is used for acquiring and storing voltage, current, power, relay closing time, relay opening time and the like of the direct current signal. Specifically, an RXD of an SP3485 chip is connected with an RO pin of a 485 chip, a DI pin of the 485 chip is connected with a TXD, and a PA12 pin of an MCU is connected with RE and DE pins for controlling the receiving and sending of data acquisition signals.
The central control processing stores the data output by the data acquisition module and provides control commands of the data acquisition module, the Internet of things wireless communication module and the level matching conversion module.
The data acquisition circuit is used for acquiring current and voltage data and calculating and outputting active power, reactive power, apparent power, voltage and current effective values and power factors. Specifically, as shown in fig. 3, pins of an RN8302 chip IAP, IAN, IBP, IBN, ICP, and ICN are used to connect a current transformer, pins of a VAP, VAN, VBP, VBN, VCP, and VCN are used to connect a voltage transformer to collect line current and voltage data, a pin of an SDO is connected to an MCU output SPI serial data, and the MCU is used to connect to pins of an SCSN, an SCLK, and an SDI to control the reception and transmission of data collection signals.
Based on any one of the above embodiments, in an embodiment, the central control processing module includes an MCU main control circuit, and the work flow of the MCU main control circuit specifically includes:
controlling a power supply switch of the data acquisition module to supply power to the data acquisition module and starting data acquisition;
starting the wireless communication module of the Internet of things for wireless communication;
and transmitting the acquired data to the Internet of things wireless communication module for wireless transmission to the cloud platform.
Wherein, start thing networking wireless communication module carries out radio communication, specifically includes:
if the watchdog is judged to be reset and started, directly entering a dormant state to wait for RTC timing awakening;
if the watchdog is judged to be powered on and started in a cold mode, initialization configuration is carried out, a data transmission module is started to transmit data, the data transmission module is to be sent to be completed, and the watchdog automatically enters a low-power-consumption dormant state to wait for awakening.
Specifically, as shown in fig. 3, the MCU main control circuit adopts an ARM series STM32F072CBT6 type chip, and is packaged by a 48-pin patch, and integrates a high-performance ARM Cortex-M032 RISC core (Reduced Instruction Set Computing), the operating frequency is as high as 48MHz, and the MCU main control circuit can operate in a temperature range of-40 to +85 ℃, and the power supply range is 2.0 to 3.6V.
Specifically, the MCU adopts 3.3V external power supply, is connected with a 32.768kHz external passive crystal oscillator through pins 3 and 4 of the MCU and is used for waking up the MCU for timing; the MCU is provided with an independent watchdog circuit, adopts an internal low-speed (37kHz) clock source and is used for monitoring the running state of the internal program of the module and preventing the program from running away; when the system works normally, the MCU outputs a pulse to the watchdog every 28s, and if the program fails to operate and the watchdog circuit cannot feed the watchdog on time, the watchdog circuit automatically resets the program. The main working frequency of the MCU is 2MHz, and the working current is 200 uA;
the specific work flow is as follows:
(1) initializing a perception module: controlling a power supply switch of the acquisition module to supply power to the acquisition module through SENSORS _ EN of the MCU for data acquisition;
(2) enabling the 4G wireless communication module EC20 CEHCLG: after starting, judging that the watchdog is reset starting or cold starting, and if the watchdog is reset starting, directly entering a dormant state to wait for RTC timing awakening; if the system is powered on and started in a cold mode, initialization configuration is carried out, a data transmission module is started to send data, and after the data transmission module is successfully sent, the system automatically enters a low-power-consumption dormant state to wait for awakening;
(3) data transmission: transmitting the data to a 4G wireless communication module through RXD and TXD pins of the MCU for further processing the data and wirelessly transmitting the data;
(4) and (3) finishing transmission: and prompting the NB-IoT wireless communication module to successfully transmit data to the cloud platform through a buzzer connected with a BEEP pin of the MCU. MCU gives PWRKEY high level to shut down, cuts off power supply switch
Based on any one of the above embodiments, the work flow of the wireless communication module of the internet of things specifically includes:
the MCU master control circuit is started after acquiring a power-on signal, and the acquired data sent by the MCU master control circuit is received through an asynchronous serial communication protocol;
accessing the communication network after the SIM card carries out identity authentication;
after the collected data are processed, sending the collected data to a data receiving and terminal display platform for data storage, display and processing;
and after the transmission of the acquired data is finished, receiving a lower electric signal, closing the module and cutting off power supply.
Specifically, as shown in fig. 3, the internet of things wireless communication sends the acquired data stored by the central control processing module to the cloud platform at regular time; specifically, the wireless communication of the internet of things adopts an EC 20R 2.1 Mini PCle chip which is an LTE module supporting a PCI Express Mini Card standard interface; the LTE3GPP Rel.11 technology is adopted to support the maximum downlink rate of 150Mbps and the maximum uplink rate of 50 Mbps; compatible with existing EDGE (2.5G) and GSM/GPRS networks, ensure normal operation in remote areas lacking 3G and 4G networks; the method supports a multi-path input and output technology (MIMO), and improves the communication quality; the embedded rich network protocol integrates a plurality of industrial standard interfaces and a plurality of operating systems;
the specific work flow is as follows:
(1) the MCU controls the EC20 to be powered on and started, and receives data of the acquisition module sent by the MCU through an asynchronous serial communication UART protocol;
(2) the EC20 is powered on through a VDD pin, a PWR pin receives a module starting command, the communication module enters a working state, the communication module is respectively connected with RXD pins and TXD pins of an MCU master controller through LTE _ RXD pins and LTE _ TXD pins, and data are transmitted to the EC20 from the MCU master control circuit;
(3) SIM card identity authentication accesses the communication network;
(4) the EC20 sends the processed data to a data receiving and terminal display platform for data storage, display, analysis and processing;
(5) after the data transmission is finished, the main control circuit MCU controls the EC20 to close and cut off the power supply;
specifically, the device adopts the SIM card chip to receive power supply through the SIM _ VDD (the power supply mode is the same as EC20), the SIM _ SEL pin is directly connected to the pin corresponding to the MCU, and the MCU uses the SIM card by controlling the pin to switch between high and low levels. SIM _ VCC, SIM _ DATA, SIM _ RST and SIM _ CLK of the SIM are respectively connected with corresponding pins of the L651 module, and SIM1_ VCC, SIM _ DATA, SIM _ RST and SIM _ CLK are connected with corresponding pins of the SIM card to control and realize 4G communication;
level matching conversion module: and converting the output power voltage of the central control processing module into a voltage matched with the wireless communication module of the Internet of things. Specifically, the device adopts an SX1308 chip which is a fixed-frequency SOT23-6 packaged current mode boost converter, the working frequency is 1.2MHz, and the peripheral inductance and capacitance can be selected to be smaller. The built-in soft start function reduces start-up inrush current.
A protection circuit: when the equipment has leakage fault and the person with fatal danger is protected by electric shock, the overload and short circuit protection function is provided, and the overload and short circuit protection function can be used for protecting the overload and short circuit of a circuit or a motor.
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 the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. A digital remote control intermediate device, comprising: the device comprises an equipment case, a protection circuit module, a strong current circuit board and a weak current circuit board;
the equipment case is used for packaging the protection circuit module, the strong current circuit board and the weak current circuit board and is used as a connecting bridge of the controlled equipment and a commercial power alternating current power supply;
the protection circuit module is used for providing overload and short-circuit protection for a line or the controlled equipment;
the strong current circuit board is used for realizing alternating current/direct current power supply conversion and on-off of a controlled equipment power supply;
and the weak current circuit board is used for collecting, communicating and controlling the information of the controlled equipment.
2. The digital remote control intermediate device according to claim 1, wherein the device case includes a case housing, a status indicator light, a power switch, an inlet terminal strip and an outlet terminal strip;
the state indicator lamp comprises a power indicator lamp and an operation indicator lamp, the power indicator lamp is used for displaying the on-off state of a power supply, and the operation indicator lamp is used for displaying the operation state of the equipment;
the start and stop of the power switch are respectively used for controlling the on and off of the power supply;
the incoming terminal strip is used for being connected with the commercial power alternating current power supply;
the outlet terminal strip is used for connecting the controlled equipment.
3. The digital remote control intermediate device according to claim 1, wherein the strong electric circuit board comprises an ac/dc conversion module and a remote control circuit;
the alternating current/direct current conversion module is used for providing alternating current power supply for the controlled equipment, providing a direct current power supply for the local machine and providing a signal source for the data acquisition module;
the remote control circuit is used for controlling the on and off of the controlled equipment and the power supply.
4. The digital remote control intermediate device according to claim 1, wherein the protection circuit module is specifically configured to protect a short circuit, a severe overload, and an undervoltage of a circuit or an electrical device, and perform manual circuit contacting and breaking functions.
5. The digital remote control intermediate device according to claim 1, wherein the weak current circuit board comprises a data acquisition module, a central control processing module, an internet of things wireless communication module, a level matching conversion module and a Beidou position chip;
the data acquisition module is used for acquiring and storing a plurality of parameter information related to the controlled equipment power supply;
the central control processing module is used for storing the data output by the data acquisition module and providing control commands to the data acquisition module, the Internet of things wireless communication module and the level matching conversion module;
the Internet of things wireless communication module is used for sending the acquired data stored by the central control processing module to the cloud platform at regular time and issuing a remote control equipment on-off instruction through the cloud platform or a mobile phone end;
the level matching conversion module is used for matching the output voltage of the central control processing module with the output voltage of the internet of things wireless communication module;
the Beidou position chip is used for receiving Beidou satellite transmitting signals and carrying out equipment positioning based on the Beidou satellite transmitting signals.
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| CN202120473584.XU CN214590771U (en) | 2021-03-04 | 2021-03-04 | Digital remote control intermediate equipment |
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| CN202120473584.XU CN214590771U (en) | 2021-03-04 | 2021-03-04 | Digital remote control intermediate equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826528A (en) * | 2023-06-16 | 2023-09-29 | 上海承控信息科技有限公司 | Strong and weak electricity integration equipment |
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2021
- 2021-03-04 CN CN202120473584.XU patent/CN214590771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826528A (en) * | 2023-06-16 | 2023-09-29 | 上海承控信息科技有限公司 | Strong and weak electricity integration equipment |
| CN116826528B (en) * | 2023-06-16 | 2024-03-12 | 上海承控信息科技有限公司 | Strong and weak electricity integration equipment |
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