RF card controller

Abstract

The invention discloses a radio frequency card controller, which relates to the technical field of water conservancy irrigation equipment. The radio frequency card controller includes a power control board, a main control board and an upper integrated control board, which are sequentially stacked from bottom to top and electrically connected to each other; the power control board includes a power module and a relay control unit electrically connected to the power module; the main control board includes a wireless transmission module, a wired acquisition module, and a clock module electrically connected to the main control chip; the upper integrated control board includes a radio frequency card swiping module and a wireless acquisition module. The beneficial effects of the present invention are: it can be compatible with wired and wireless water collection, wireless water transmission, and can also control user water use; it integrates collection, transmission, and control; and through the wireless acquisition module, a wireless water meter or flow meter with a matching wireless module is used to reduce construction costs and avoid damage during wired collection.

Description

Technical Field

[0001] The invention belongs to the technical field of water conservancy irrigation equipment, in particular to a radio frequency card controller. Background Art

[0002] At present, with the growth of my country's population, urbanization and rapid economic and social development, my country's water use contradictions are becoming increasingly acute, and the water shortage problem is more prominent. my country's agricultural water use is facing a shortage of water resources, and at the same time, the waste of agricultural water is very serious. At present, my country still charges by charging electricity for water. This charging method cannot accurately measure the amount of irrigation water, and the charges are unreasonable. It cannot better respond to the call of the country for agricultural water-saving irrigation; currently only a small number of radio frequency card controllers have been realized through water collection sensors for accurate measurement, but the radio frequency card controllers collect water in a wired manner, which is difficult to construct and the cables are easily damaged when farmers are farming. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the present invention provides a radio frequency card controller, which is compatible with wired and wireless water volume collection, wireless water volume transmission, and can also control user water use; it integrates collection, transmission, and control in one; and uses a wireless water meter or flow meter with a matching wireless module through a wireless module, thereby reducing construction costs and avoiding damage during wired collection.

[0004] To achieve the above object, the present invention is implemented through the following technical scheme: a radio frequency card controller includes a power control board, a main control board and an upper integrated control board, wherein the power control board, the main control board and the upper integrated control board are sequentially stacked from bottom to top and are electrically connected to each other;

[0005] The power control board includes a power module and a relay control unit electrically connected to the power module, and the relay control unit is used to control the power supply of the water-using equipment;

[0006] The main control board includes a main control chip, a wireless transmission module, a wired acquisition module, and a clock module electrically connected to the main control chip. The wireless transmission module is used to upload signals to a remote background; the wired acquisition module is used to collect water meters or flow meters with wired transmission; and the clock module is used to generate a clock signal for the main control chip.

[0007] The upper integrated control panel includes a radio frequency card swiping module and a wireless acquisition module. The radio frequency card swiping module is used to read the information in the radio frequency card; the wireless acquisition module is used to collect water meters or flow meters with wireless transmission.

[0008] The upper integrated control panel also includes a display module, and the display module is used to display data information.

[0009] The main control board also includes a storage module, which is used to store user information and user water usage information.

[0010] The main control panel also includes an alarm module, which issues an alarm when the purchased water volume is insufficient or the water volume is used up.

[0011] The main control board includes an indicator light for displaying the operating status of the radio frequency card controller and the network status of the wireless transmission module.

[0012] The main orifice plate is fixed above the power control board through copper columns, and the upper integrated control board is electrically connected to the main control board through pins.

[0013] The wired acquisition module is a 485 acquisition module.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The present invention is compatible with wired and wireless water collection, wireless water transmission, and can also control user water use, integrating collection, transmission and control; reducing construction costs and avoiding damage during wired collection.

[0016] 2. Through compatible wireless acquisition and wired 485 acquisition and program, one controller can read the data of multiple MODBUS protocol water sensors, especially compatible with wireless and wired acquisition methods to collect data from MODBUS protocol water sensors with the same address. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 It is a principle block diagram of the present invention;

[0018] Attached Figure 2 It is the circuit principle diagram of the wired acquisition module of the present invention;

[0019] Attached Figure 3 This is the circuit schematic diagram of the wireless acquisition module of the present invention;

[0020] Attached Figure 4 It is a work flow chart of the present invention. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the application equally.

[0022] The radio frequency card controller includes a power control board, a main control board and an upper integrated control board, which are stacked in sequence from bottom to top and electrically connected to each other; the main control board is fixed on the top of the power control board by a copper column, and the upper integrated control board is electrically connected to the main control board by a pin, forming a three-layer space structure with compact structure and small size. Among them, the power control board includes a power module and a relay control unit electrically connected to the power module, wherein the power module model is LD20-26B12; the relay control unit controls the power supply of the water-using equipment through a relay, and the radio frequency card acquisition card swiping module acquires the information in the user's radio frequency card. When the user purchases sufficient water, the relay control unit controls the water pump to power on and pump water through a relay; when the purchased water volume is insufficient, the relay control unit controls the water pump to power off and stop pumping water through a relay; the main control board includes a main control chip, the main control chip model is STM32F103RCT6, a wireless transmission module electrically connected to the main control chip, and a wired acquisition module Block, clock module, wireless transmission module model is MG2639, wireless transmission module is used to upload signals to the remote background; wired acquisition module model is SP3485, wired acquisition module is used to acquire water meters or flow meters with wired transmission; clock module is PCF8563 chip, clock module is used to generate clock pulse signal for main control chip; the upper integrated control board includes radio frequency card swiping module and wireless acquisition module, radio frequency card swiping module model is FM1702, radio frequency card swiping module is used to read information in radio frequency card; wireless acquisition module model is E32-433T20DC, used to acquire water meters or flow meters with wireless transmission. It is compatible with wired and wireless water collection, wireless water transmission, and can also control user water use, integrating collection, transmission and control; reducing construction costs and avoiding damage during wired collection.

[0023] Among them, the upper integrated control panel also includes a display module, which is used to display data information to facilitate viewing of user water usage information.

[0024] In addition, the main control board also includes a storage module, which is used to store user information and user water usage information. The main control board also includes an alarm module, which issues an alarm when the purchased water volume is insufficient or the water volume is used up, reminding the user to purchase water in time. The main control board includes an indicator light, which is used to display the operating status of the radio frequency card controller and the network status of the wireless transmission module.

[0025] The wired acquisition module is a 485 acquisition module, which has good scalability and is convenient and flexible to configure.

[0026] The specific working principle is as follows:

[0027] (1) Start

[0028] (2) First, the flag variable in the built-in program of the radio frequency card controller is used to determine whether the current acquisition mode is wired acquisition or wireless acquisition. If it is wired acquisition, step (3) is performed; if it is wireless acquisition, step (9) is performed.

[0029] (3) When the data is collected by wire, the main control chip is connected to the pc_ctr of the wired collection module to start the data collection circuit of the wired sensor in the wired water meter or flow meter. At the same time, the main control chip is connected to the pc_ctr1 and pc_ctr2 pins of the wireless collection module to shut down the data collection circuit of the wireless sensor, and the next step is (4).

[0030] (4) Wired sensor data collection, next step (5).

[0031] (5) When the wired data collection is completed, proceed to the next step (6); when the wired data collection is not completed, continue to step (4).

[0032] (6) Complete the process of adding 1 to the variable counter1 which represents the number of sensor data collected by wire, and proceed to the next step (7).

[0033] (7) When the variable value counter1 of the number of wired sensor data reaches the total number of sensors MAX_count1, proceed to the next step (8); when the variable value counter1 of the number of wired sensor data does not reach the total number of sensors MAX_count1, continue back to step (4).

[0034] (8) Reset the variable value counter1 of the number of wired sensor data collection to 0, and proceed to the next step (14).

[0035] (9) Wireless sensor data collection in wireless water meter or flow meter, next step (10).

[0036] (10) When the wireless data collection is completed, proceed to the next step (11); when the wireless data collection is not completed, proceed to step (9).

[0037] (11) The variable counter2 of the number of wirelessly collected sensor data is incremented by 1, and the next step is (12).

[0038] (12) When the variable value counter2 of the number of wirelessly collected sensor data reaches the total number of sensors MAX_count2, proceed to the next step (13); when the variable value counter2 of the number of wirelessly collected sensor data does not reach the total number of sensors MAX_count2, continue back to step (9).

[0039] (13) Reset the variable value counter2 of the number of wireless sensor data collected to 0, and proceed to the next step (14).

[0040] (14) Turn off wired acquisition and wireless acquisition.

[0041] (15) End

Claims

1. The method for using the radio frequency card controller is characterized by: It includes a power control board, a main control board and an upper integrated control board, wherein the power control board, the main control board and the upper integrated control board are stacked in sequence from bottom to top and are electrically connected to each other; The power control board includes a power module and a relay control unit electrically connected to the power module, and the relay control unit is used to control the power supply of the water-using equipment; The main control board includes a wireless transmission module, a wired acquisition module, and a clock module electrically connected to the main control chip, and the wireless transmission module is used to upload the signal to the remote background; The wired acquisition module is used to collect information from water meters or flow meters with wired transmission; the clock module is used to generate a clock signal for the main control chip; The upper integrated control panel includes a radio frequency card swiping module and a wireless acquisition module. The radio frequency card swiping module is used to read the information in the radio frequency card; the wireless acquisition module is used to collect the water meter or flow meter with a wireless module; The upper integrated control panel also includes a display module, and the display module is used to display data information; The main control board also includes a storage module, which is used to store user information and user water use information; The main control panel also includes an alarm module, which issues an alarm when the amount of water purchased is insufficient or the water is used up; The main control board includes an indicator light for displaying the operating status of the radio frequency card controller and the network status of the wireless transmission module; The main control board is fixed above the power control board through copper pillars, and the upper integrated control board is electrically connected to the main control board through pins; The wired acquisition module is a 485 acquisition module; The usage is: (1) Start; (2) First, determine whether the current acquisition mode is wired acquisition or wireless acquisition through the flag variable in the built-in program of the radio frequency card controller. If it is wired acquisition, proceed to step (3); if it is wireless acquisition, proceed to step (9); (3) When the data is collected by wire, the main control chip is connected to the pc_ctr of the wired collection module to start the data collection circuit of the wired sensor in the wired water meter or flow meter. At the same time, the main control chip is connected to the pc_ctr1 and pc_ctr2 pins of the wireless collection module to turn off the data collection circuit of the wireless sensor, and the next step is (4). (4) Wired sensor data collection, next step (5); (5) When the wired data collection is completed, proceed to the next step (6); when the wired data collection is not completed, continue to step (4); (6) Add 1 to the variable counter1 that represents the number of sensor data collected by the wire, and proceed to step (7); (7) When the variable value counter1 of the number of wired sensor data reaches the total number of sensors MAX_count1, proceed to the next step (8); when the variable value counter1 of the number of wired sensor data does not reach the total number of sensors MAX_count1, continue back to step (4); (8) Reset the variable value counter1 of the number of wired sensor data to 0, and proceed to the next step (14); (9) Wireless sensor data collection in wireless water meter or flow meter, next step (10); (10) When the wireless data collection is completed, proceed to the next step (11); when the wireless data collection is not completed, proceed to step (9); (11) Complete the variable counter2 of the number of wireless sensor data collection and add 1, and then proceed to the next step (12); (12) When the variable value counter2 of the number of wirelessly collected sensor data reaches the total number of sensors MAX_count2, proceed to the next step (13); when the variable value counter2 of the number of wirelessly collected sensor data does not reach the total number of sensors MAX_count2, continue back to step (9); (13) Reset the variable value counter2 of the number of wireless sensor data collected to 0, and proceed to the next step (14); (14) Turn off wired acquisition and wireless acquisition; (15) End.

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