Data acquisition remote transmission control equipment

Abstract

The utility model discloses data acquisition remote transmission control equipment, which relates to the technical field of data acquisition equipment and comprises a CPU (central processing unit) module, as well as a switching value input module, a switching value output module, an analog input module, an RS485 communication module and a 4G communication module which are electrically connected with the CPU module, according to the data acquisition and remote transmission control equipment, through cooperative work of all the modules, the functions of acquisition, processing, uploading, remote control and the like of field data are achieved, convenience is provided for operation and maintenance of the equipment, and the problems that in the prior art, the equipment is unstable in operation, low in intelligent degree, complex in parameter setting, low in cost and the like are solved. And the development degree of software customization is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to data acquisition technical field, and concretely relates to a data acquisition remote control equipment. BACKGROUND

[0002] With the rise of China's industrial 4.0 era and the continuous adjustment of national energy structure, natural gas, as a high-efficiency clean energy, is increasingly used in various industries and households, becoming the main energy for current production and life. The current state vigorously advocates digital and information construction, greatly promoting the construction and application of intelligent gas in the oil and gas industry. As the cornerstone of the construction of intelligent gas system, the instrument data acquisition and remote transmission equipment located at the front end of the whole system is particularly important.

[0003] Thanks to the rapid development of current Internet of Things technology and mobile communication technology, the function of data acquisition equipment has made great progress, but there are also some problems. For example, the equipment is unstable in operation and is easily affected by external environment such as temperature, humidity and electromagnetic interference. The equipment has low intelligence, complex parameter setting and low degree of software customization development. Remote debugging and software upgrading of the equipment require personnel to be on site, which is high in cost and low in efficiency.

[0004] At present, there is no effective solution to the above problems. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the utility model is to solve the deficiencies of the existing data acquisition remote control equipment in operation stability, compatibility, flexibility and operation and maintenance efficiency, etc. By adopting optical coupling isolation, realizing universal protocol adaptation, providing flexible and convenient parameter setting and supporting remote upgrading and operation and maintenance, the upgrading time is greatly shortened, the equipment cost is reduced and the work efficiency is improved.

[0006] To solve the above technical problems, the utility model is a kind of data acquisition remote control equipment, which comprises a CPU module, and switch quantity input module, switch quantity output module, analog quantity input module, RS485 communication module and 4G communication module electrically connected with the CPU module.

[0007] The CPU module is used for processing data from each module and sending control instructions.

[0008] The switch quantity input module supports two-way switch quantity input and adopts optical coupling isolation design, which is used for collecting switch quantity signals.

[0009] The switch quantity output module can remotely issue switch instructions through the upper computer to control the opening and closing of the electric valve.

[0010] The analog input module is connected with the pressure, temperature and combustible gas alarm device in the field through the phoenix terminal, and the range is set remotely and the data is collected automatically.

[0011] The RS485 communication module can be connected with various field instruments and meters.

[0012] The 4G communication module can communicate with the upper computer remotely, upload the data processed by the CPU module to the remote management platform, and receive remote instructions.

[0013] Further, the CPU module comprises a CPU chip U1, and the CPU chip U1 is electrically connected with the on-off quantity input module.

[0014] Further, the on-off quantity input module comprises a first on-off quantity input circuit.

[0015] The first on-off quantity input circuit comprises a photoelectric coupler G2, resistors R75, R76 and R77, capacitors C59 and C60, and diodes D12, D121, D13 and D131.

[0016] One end of the resistor R76 is connected with the 44th pin of the CPU chip U1, and the other end of the resistor R76 is connected with a voltage of 3.3V; one end of the capacitor C60 is connected with the ground, and the other end of the capacitor C60 is connected with the ground; the 3rd pin of the photoelectric coupler G2 is connected with the ground; one end of the capacitor C59, one end of the resistor R77, the diode D13 and one end of the diode D121 are connected with the 1st pin of the photoelectric coupler G2; the other end of the capacitor C59, the other end of the resistor R77, the diode D131 and one end of the diode D12 are connected with the 2nd pin of the photoelectric coupler G2; the other ends of the diodes D13 and D131 are connected with the 1st pin of the terminal J19 through the jumper J17; the other ends of the diodes D12 and D121 are connected with one end of the resistor R75; and the other end of the resistor R75 is connected with the 2nd pin of the terminal J19.

[0017] Further, the on-off quantity input module further comprises a second on-off quantity input circuit.

[0018] The second on-off quantity input circuit comprises a photoelectric coupler G3, resistors R77, R78 and R79, capacitors C61 and C62, and diodes D14, D141, D15 and D151.

[0019] The 4-pin of the photoelectric coupler G3 is connected with the 45-pin of the CPU chip U1, one end of the resistor R79, one end of the capacitor C62, 3.3V voltage, the other end of the capacitor C62 is grounded, the 3-pin of the photoelectric coupler G3 is grounded, the 1-pin of the photoelectric coupler G3 is connected with one end of the capacitor C61, one end of the resistor R80, one end of the diode D141 and D15, the 2-pin of the photoelectric coupler G3 is connected with the other end of the capacitor C61, the other end of the resistor R80, one end of the diode D151 and D14, the other end of the diode D15 and the other end of the diode D151 are connected with the 1-pin of the terminal J19 through the jumper J18, the other end of the diode D14 and the other end of the diode D141 are connected with one end of the resistor R78, and the other end of the resistor R78 is connected with the 3-pin of the terminal J19.

[0020] Further, the CPU chip U1 is electrically connected with a CPU power module, and the CPU power module is electrically connected with a Board power module.

[0021] Further, the CPU module is further electrically connected with an OLED display screen module, a key module and an LED state indicating lamp module.

[0022] Further, the OLED display screen module is electrically connected with the key module, and the OLED display screen module and the key module are matched and used for switching display pictures and performing simple operations.

[0023] Further, the CPU power module is electrically connected with a switching value input module, a switching value output module, an analog value input module, an RS485 communication module, a 4G communication module, the OLED display screen module, the key module and the LED state indicating lamp module.

[0024] Compared with the prior art, the utility model has the following advantages:

[0025] (1) The switching value input module electrically connected with the CPU module supports two-way switching value input, supports pull current and filling current two wiring modes, driving current is small, switching value input detection channel adopts photoelectric isolation design, can use in strong magnetic field and strong electric field and other complex environment, stable performance, can collect city power state, tank door switch and other switching values of gas field.

[0026] (2) The control equipment is connected with the upper computer through the inserted SIM card, the device upload parameter can be set remotely through the WeChat public number scanning two-dimensional code on the device, the field 485 instrument data and analog value range are configured, the remote instruction is sent out through the switching value output interface to control the field valve switch, the software program can be upgraded remotely, the equipment maintenance is convenient, the efficiency is high and the cost is low.

[0027] (3) The 4G communication module of this utility model adopts the MQTT protocol to support topic subscription, and can simultaneously upload data to multiple host computer platforms to realize data interconnection between the device and the third-party manufacturer's platform. Attached Figure Description

[0028] Fig. 1 This is a system block diagram of the various functional modules of the control device in the embodiments of this utility model;

[0029] Fig. 2 This is a circuit schematic diagram of the CPU module in an embodiment of this utility model;

[0030] Fig. 3 This is a circuit diagram of the switch input module in an embodiment of this utility model. Detailed Implementation

[0031] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, specific embodiments of this utility model are now described with reference to the accompanying drawings. Those skilled in the art should understand that the following does not constitute a limitation on the scope of protection of this utility model.

[0032] Examples, such as Figs. 1-3 As shown, a data acquisition and remote transmission control device includes a CPU module, which is electrically connected to a CPU power supply module, a 4G communication module, an RS485 communication module, an analog input module, a digital input module, a digital output module, an OLED display module, and an LED status indicator module. The OLED display module is electrically connected to a button module.

[0033] The CPU module is used to process data from various modules and send control commands.

[0034] The CPU power module is electrically connected to the Board power module, which is connected to a 9-24V DC external power supply. The Board power module converts the voltage to 5.5V and then supplies it to the CPU power module. The CPU power module simultaneously supplies power to the CPU module, 4G & NB communication module, RS485 communication module, analog input module, digital input module, digital output module, OLED display module, and LED status indicator module.

[0035] The preferred DC-DC power chip model for the Board power module is TPS54332DDAR.

[0036] The preferred linear regulator (LDO) model used in the CPU power module is LM1117IMPX-3.3 / NOPB.

[0037] The CPU module comprises a CPU chip U1 and peripheral circuits thereof, an external power supply of 9-24V is converted into a 5.5V power supply voltage through a DC-DC power supply chip in a board power supply circuit, and the 5.5V power supply voltage is converted into a 3.3V power supply voltage through a linear voltage stabilizer LM1117IMPX-3.3 / NOPB in a CPU power supply circuit to supply power to the CPU chip U1.

[0038] The preferred model of the CPU chip U1 is STM32L476RCT6, the main frequency is 80MHz, the ROM is 256KB, the RAM is 128KB, there are 5 USARTs and 1 UART, the processing capacity is strong, the power consumption is low, and the performance is stable.

[0039] The 14th pin, the 16th pin and the 17th pin of the CPU chip U1 are electrically connected with the RS485 communication module.

[0040] The preferred model of the RS485 chip is SP3485EN-L / TR, the power supply voltage is 3.3V, and the data rate is 10Mbps. The RS485 communication module is connected with various field instruments and meters such as gas flow meters and valve controllers through phoenix terminals, can simultaneously access four flow meters of different manufacturers, supports universal protocol analysis, can remotely configure the meter parameters accessed through a product management platform, and the protocol parameter configuration is flexible and convenient.

[0041] The 15th pin, the 20th pin, the 24th pin, the 25th pin and the 36th pin of the CPU chip U1 are electrically connected with the 4G communication module.

[0042] The preferred chip model of the 4G communication module is EC600NS, the typical voltage value is 3.8V, and the current is 1.5A. The 4G communication module uses the MQTT protocol to communicate with the upper computer, uploads the data processed by the CPU module to a remote management platform, and receives remote instructions at the same time, has small overhead and low energy consumption, provides one-to-many message publishing, supports topic subscription, and the data uploading software platform is flexible and convenient.

[0043] The 21st pin of the CPU chip U1 is electrically connected with the key module.

[0044] The 44th pin and the 45th pin of the CPU chip U1 are electrically connected with the on-off quantity input module.

[0045] The on-off quantity input module supports two-way on-off quantity input, supports pull current and fill current wiring modes, has small driving current, adopts optical coupling isolation, has stable performance, and is used for collecting on-off quantity signals, such as the state of commercial power in a gas field and the opening and closing of a box door.

[0046] The on-off quantity input module comprises a first on-off quantity input circuit and a second on-off quantity input circuit.

[0047] The first switch input circuit comprises a photoelectric coupler G2, resistors R75, R76, R77, capacitors C59, C60, diodes D12, D121, D13, D131.

[0048] The second switch input circuit comprises a photoelectric coupler G3, resistors R77, R78, R79, capacitors C61, C62, diodes D14, D141, D15, D151.

[0049] The 4-pin of the photoelectric coupler G2 is connected to the 44-pin of the CPU chip U1, one end of the resistor R76 is connected to the 3.3V voltage, the other end of the capacitor C60 is connected to the ground, the 3-pin of the photoelectric coupler G2 is connected to the ground, the 1-pin of the photoelectric coupler G2 is connected to one end of the capacitor C59, one end of the resistor R77, the diode D13, and one end of the diode D121, the 2-pin of the photoelectric coupler G2 is connected to the other end of the capacitor C59, the other end of the resistor R77, the diode D131, and one end of the diode D12, the other ends of the diodes D13 and D131 are connected to the 1-pin of the terminal J19 through the jumper J17, the other ends of the diodes D12 and D121 are connected to one end of the resistor R75, the other end of the resistor R75 is connected to the 2-pin of the terminal J19.

[0050] The 4-pin of the photoelectric coupler G3 is connected to the 45-pin of the CPU chip U1 and one end of the resistor R79, the other end of the resistor R79 is connected to one end of the capacitor C62 and the 3.3V voltage, the other end of the capacitor C62 is connected to the ground, the 3-pin of the photoelectric coupler G3 is connected to the ground, the 1-pin of the photoelectric coupler G3 is connected to one end of the capacitor C61, one end of the resistor R80, one end of the diode D141, and one end of the diode D15, the 2-pin of the photoelectric coupler G3 is connected to the other end of the capacitor C61, the other end of the resistor R80, one end of the diode D151, and one end of the diode D14, the other ends of the diodes D15 and D151 are connected to the 1-pin of the terminal J19 through the jumper J18, the other ends of the diodes D14 and D141 are connected to one end of the resistor R78, the other end of the resistor R78 is connected to the 3-pin of the terminal J19; the 34-pin and the 35-pin of the CPU chip U1 are electrically connected to the OLED display module.

[0051] The OLED display module can display the network initialization state, the device running state, the four-way instrument 485 communication state, the network state, the signal strength, the four-way analog value, the collected instrument information, and the device code in real time. The data display is visual and intuitive, and the maintenance personnel can timely locate the fault cause and eliminate the fault when the device runs abnormally.

[0052] The OLED display module is electrically connected to the key module, and the key module can poll and switch to display real-time data, device code, network signal strength, and other pictures after the key is triggered.

[0053] The 38th pin, the 39th pin and the 40th pin of the CPU chip U1 are electrically connected with the LED state indicating lamp module.

[0054] The LED state indicating lamp module can display the network state, the external power supply state, the four-way instrument communication state and the switch value state in real time.

[0055] The 8th pin, the 9th pin, the 10th pin and the 11th pin of the CPU chip U1 are electrically connected with the analog quantity input module.

[0056] The analog quantity input module is connected with the pressure transmitter, the temperature transmitter and the combustible gas alarm through the phoenix terminal.

[0057] The 37th pin of the CPU chip U1 is electrically connected with the switch value output module.

[0058] The switch value output module is turned on at the high level and is turned off at the low level, and the type of the relay used is preferably TLP240A.

[0059] Working principle of the utility model:

[0060] The external 9-24V direct current power supply is converted into 5.5V through the Board power module, and then is converted into 3.3V through the CPU power module to supply power to the whole device.

[0061] The switch value output module can remotely send the switch command through the upper computer to control the relay or the passive dry contact in the field, and then control the gas electric valve switch.

[0062] The OLED display screen module displays the device state, network communication state, analog value and other information in real time, so as to facilitate maintenance personnel to monitor and troubleshoot; the OLED display screen module and the button module are matched, are used for switching display pictures and simple operation, and facilitate maintenance personnel to monitor and troubleshoot.

[0063] The LED state indication lamp module provides the network communication state and power state of the device, so that the maintenance personnel can more quickly understand the running state of the device.

[0064] The data acquisition remote control equipment is connected with the upper computer through the inserted SIM card, the device upload parameter can be remotely set through scanning the two-dimensional code on the device through the WeChat public number, the field 485 instrument data and analog quantity range are configured, the remote instruction is issued through the on-off value output interface to control the field valve switch, the software program can be remotely upgraded, the equipment maintenance is convenient, high efficiency and low cost are achieved.

[0065] The data acquisition remote control equipment realizes the functions of field data acquisition, processing, uploading and remote control through the cooperative work of various modules, provides convenience for the operation and maintenance of the equipment, and solves the problems of unstable operation of the equipment, low intelligent degree of the equipment, complex parameter setting and low software customization development degree in the prior art.

[0066] The above is an example of the best implementation mode of the utility model, wherein the parts not described in detail are the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A data acquisition remote control device, characterized by: The application relates to a CPU module and switch input module, switch output module, analog input module, RS485 communication module and 4G communication module electrically connected with the CPU module. The CPU module is used for processing data from each module and sending control instructions. The switch input module supports two-way switch input and adopts optical coupling isolation design and is used for collecting switch signals. The switch output module can remotely send switch instructions through the upper computer to control the switch of the electric valve. The analog input module is connected with the pressure, temperature and combustible gas alarm equipment through the phoenix terminal, remotely sets the range and automatically collects data. The RS485 communication module can be connected with various field instruments and meters. The 4G communication module can remotely communicate with the upper computer, uploads the data processed by the CPU module to the remote management platform and receives remote instructions.

2. A data acquisition remote control device according to claim 1, characterized in that : The CPU module comprises a CPU chip U1, and the CPU chip U1 is electrically connected with the switch input module.

3. A data acquisition remote control device according to claim 2, wherein The switch input module comprises a first switch input circuit. The first switch input circuit comprises a photoelectric coupler G2, resistors R75, R76 and R77, capacitors C59 and C60, diodes D12, D121, D13 and D131. One end of the resistor R76 is connected with the 44th pin of the CPU chip U1, the other end of the resistor R76 is connected with a 3.3V voltage, one end of the capacitor C60 is connected with the ground, the 3rd pin of the photoelectric coupler G2 is connected with the ground, one end of the capacitor C59, one end of the resistor R77, the diode D13 and one end of the diode D121 are connected with the 1st pin of the photoelectric coupler G2, the other end of the capacitor C59, the other end of the resistor R77, the diode D131 and one end of the diode D12 are connected with the 2nd pin of the photoelectric coupler G2, the other ends of the diodes D13 and D131 are connected with the 1st pin of the terminal J19 through the jumper J17, one end of the resistor R75 is connected with the other ends of the diodes D12 and D121, and the other end of the resistor R75 is connected with the 2nd pin of the terminal J19.

4. A data acquisition remote control device according to claim 3, characterized in that : The switch input module further comprises a second switch input circuit. The second switch input circuit comprises a photoelectric coupler G3, resistors R77, R78 and R79, capacitors C61 and C62, diodes D14, D141, D15 and D151. One end of the resistance R79 is connected to the 45th pin of the CPU chip U1, the other end of the resistance R79 is connected to one end of the capacitor C62, 3.3V voltage, the other end of the capacitor C62 is grounded, the 3rd pin of the optocoupler G3 is grounded, the 1st pin of the optocoupler G3 is connected to one end of the capacitor C61, one end of the resistance R80, one end of the diode D141 and D15, the 2nd pin of the optocoupler G3 is connected to the other end of the capacitor C61, the other end of the resistance R80, one end of the diode D151 and D14, the other end of the diode D15 and the other end of the diode D151 are connected to the 1st pin of the terminal J19 through the jumper J18, the other end of the diode D14 and the other end of the diode D141 are connected to one end of the resistance R78, the other end of the resistance R78 is connected to the 3rd pin of the terminal J19.

5. A data acquisition remote control device according to claim 4, wherein : The CPU chip U1 is electrically connected with a CPU power module, and the CPU power module is electrically connected with a Board power module.

6. The data acquisition and remote control device of claim 1, wherein : The CPU module is further electrically connected with an OLED display screen module, a key module and an LED state indicating lamp module.

7. A data acquisition remote control device according to claim 6, characterised in that : The OLED display screen module is electrically connected with the key module, and the OLED display screen module and the key module are matched to switch display pictures and perform simple operations.

8. A data acquisition remote control device according to claim 5, wherein : The CPU power module is electrically connected with a switching value input module, a switching value output module, an analog value input module, an RS485 communication module, a 4G communication module, the OLED display screen module, the key module and the LED state indicating lamp module.

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