CN206460286U - Relay group control device based on CPLD under Android system - Google Patents

Abstract

The utility model is related under a kind of Android system the relay group control device based on CPLD.Including ARM chips, CPLD chips, relay group, relay drive circuit, power circuit, clock-reset circuit, level shifting circuit, touch-screen, 2G/3G wireless modules；The ARM chips are connected with the touch-screen, 2G/3G wireless modules, CPLD chips, the CPLD chips are connected to relay group through relay drive circuit, the power circuit, level shifting circuit are used to provide power supply for whole device, and the clock-reset circuit is used to realize whole device reset function；The ARM chips can run android system.The utility model sends instructions to CPLD by ARM through serial ports, correspondingly acted by CPLD control relays group again, possesses pin many, extension is flexible, reconfigurable the features such as, it can widely be applied to a variety of occasions such as Intelligent logistics cabinet, supermarket's locker, intelligent library, vending machine.

Description

Relay group control device based on CPLD under Android system

Technical field

The utility model is related under a kind of Android system the relay group control device based on CPLD.

Background technology

In the last few years, as Android system is in the constantly improve of consumption market field, people are increasingly accustomed to this operation The touch interface of system, and above all people also begin to increasingly get used to the APP application software on Android system, Such as Alipay, wechat etc., these lives all given people bring great convenience.But in industrial control field, Android System is not widely used at present, therefore the outstanding APP applications of those on Android system all can not be industrial Control system is directly used, and this is undoubtedly huge regret.Relay of the device based on Android system designed by the utility model Device group control device can flexibly control one group or a few group relays, and energy on Android system, using CPLD chips Other APP application software seamless combinations, the scalability with height on enough and Android system.Designed by the utility model Device can be applied to a variety of occasions such as Intelligent logistics cabinet, number calling machine, supermarket's locker, intelligent library, vending machine.

The content of the invention

The purpose of this utility model is to overcome traditional industry control field intellectualizing system using deficiency, so that bring Scalability is not strong, the problem of scaling difficulty, and provides the relay group control device based on CPLD under a kind of Android system.

To achieve the above object, the technical solution of the utility model is：Relay based on CPLD under a kind of Android system Group control device, including ARM chips, CPLD chips, relay group, relay drive circuit, clock-reset circuit, power circuit And level shifting circuit, touch-screen, 2G/3G wireless modules；The ARM chips and the touch-screen, 2G/3G wireless modules, CPLD chips are connected, and the CPLD chips are connected to relay group through relay drive circuit, and the power circuit and level turn Changing circuit is used to provide power supply for whole device, and the clock-reset circuit is used to realize whole device reset function.

In the embodiment of the utility model one, the ARM chips can run android system.

In the embodiment of the utility model one, the ARM chips are S5pv210 chips.

In the embodiment of the utility model one, the CPLD chips are Epm240 chips.

In the embodiment of the utility model one, the power circuit and level shifting circuit use AMS1117, RT9011- MGP chips, to export 1.8V, 2.8V, 3.3V output voltage.

In the embodiment of the utility model one, the relay drive circuit uses ULN2003APG chips.

In the embodiment of the utility model one, the relay group is constituted using JQC-3FF.

Compared to prior art, the utility model has the advantages that：Device designed by the utility model is compared Legacy equipment, due to introducing existing intelligent Android system, thus in many-sides such as scalability, portability, networking performances Great enhancing is obtained for, in addition CPLD introducing, it is also more flexible, can match somebody with somebody again in the collocation and selection of relay group Put performance also stronger.

Brief description of the drawings

Fig. 1 is circuit structure theory diagram of the present utility model.

Fig. 2 is program flow chart of the present utility model.

Fig. 3 is ARM backplane circuits schematic diagram of the present utility model.

Fig. 4 is CPLD chip circuits schematic diagram of the present utility model.

Fig. 5 is voltage-stabilized power supply of the present utility model and reset circuit schematic diagram.

Fig. 6 is level shifting circuit schematic diagram of the present utility model.

Fig. 7 is relay group driver circuit schematic diagram of the present utility model.

Fig. 8 is relay unit circuit schematic diagram of the present utility model.

Embodiment

Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.

Relay group control device based on CPLD under a kind of Android system of the present utility model, including ARM chips, CPLD Chip, relay group, relay drive circuit, clock-reset circuit, power circuit and level shifting circuit, touch-screen, 2G/3G Wireless module；The ARM chips are connected with the touch-screen, 2G/3G wireless modules, CPLD chips, the CPLD chips pass through after Electrical apparatus driving circuit is connected to relay group, and the power circuit and level shifting circuit are used to provide power supply for whole device, The clock-reset circuit is used to realize whole device reset function.

The ARM chips are that can run the S5pv210 chips of android system.

The CPLD chips are Epm240 chips.

The power circuit and level shifting circuit use AMS1117, RT9011-MGP chip, with export 1.8V, 2.8V, 3.3V output voltage.

The relay drive circuit uses ULN2003APG chips.The relay group is constituted using JQC-3FF.

It is specific embodiment of the utility model below.

As shown in Figure 1, circuit structure theory diagram of the present utility model basically includes following components：Voltage stabilizing Power supply and reset circuit, level shifting circuit, ARM backplane circuits, CPLD chips and its peripheral circuit, relay drive circuit and Relay group, clock-reset circuit etc..Voltage-stabilized power supply and reset circuit are responsible for power supply and the reset of all circuit with stable Signal；Level shifting circuit is responsible for level conversion, to obtain multiple voltage；ARM backplane circuits, which are responsible for carrying, can run Android The ARM chips and communication module of system, peripheral module etc.；CPLD is responsible for driving relay group with relay drive circuit.

As shown in Figure 2, after basic procedure of the present utility model is upper electricity, provided from clock-reset circuit to whole device Necessary power supply and initializing signal, after the completion for the treatment of initially, Android system is responsible for reading the user's request in touch interface, then Pass through JNI（The local calling interfaces of Java）Demand data is passed into Linux bottom layer drivings, Linux bottom layer drivings pass through serial ports CPLD is passed in the way of data command, CPLD reads instruction and exported accordingly according to instruction, output level warp Relay group is passed to by relay drive circuit, relay group realizes corresponding switch motion.

As shown in Figure 3, backplane circuit of the present utility model is to use ARM chips for Samsung S5pv210.The chip is base , being capable of the smooth operation system of Android 4.0 in ARM Cortex A8 core designs.On bottom plate connecting seat, the chip institute has been drawn Necessary power supply and reset pin, and also drawn touch-screen pin and the serial ports pin for communicating.In order to extend conveniently, Bottom plate chip has also been drawn including multiple interfaces such as camera, SD card, Ethernet interface, USB, I2C, HDMI.

As shown in Figure 4, the CPLD chips that the utility model is used is EPM240T100C5N.The CPLD chip performances are steady Fixed, peripheral circuit is simple, is highly suitable for industrial control condition.Serial communication unit, serial communication built in the chip internal Unit obtains the data command that ARM master chips are sended over, then according to instruction, and CPLD chips respective pins carry out corresponding high Low level output, so as to reach the purpose of control relay.

As shown in Figure 5, the voltage-stabilized power supply and reset circuit that the utility model is used are with the basic original paper such as resistance, electric capacity For core, it then follows RC filter rules and the high performance circuit that designs.The electric capacity of multiple different impedance values simultaneously in parallel in circuit, Various high frequency low-frequency disturbances can be effectively filtered, stable power-supplying is carried out so as to reach to whole device and electrification reset level is provided Purpose.The circuit design is simple, with low cost, and performance is stable, is highly suitable for the design.

As shown in Figure 6, the level shifting circuit that the utility model is used is turned with power supplys such as AMS1117, RT9011-MGP Chip is changed for core, producing whole system includes the level of the various stabilizations such as 1.8V, 2.8V, 3.3V so that whole system energy Enough effectively work.

As shown in Figure 7, the relay group drive circuit that the utility model is used is with electric current driving chip ULN2003APG For core, CPLD output pin is attached by concatenating current-limiting resistance with ULN2003APG pin, can both reach increasing Strong relay output current can reach the purpose of protection CPLD chip pins again.

As shown in Figure 8, the relay group that the utility model is used is constituted by basic device of JQC-3FF.JQC-3FF It is a kind of small high-power relay, its coil pick-up voltage is 5V to 12V, its power output is maximum up to 240W, and machinery makes With life-span more than 10,000 times, performance is stable.Relay group is constituted with JQC-3FF, the requirement of the design can be completed well.

Above is preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model are produced Function without departing from technical solutions of the utility model scope when, belong to protection domain of the present utility model.

Claims (7)

1. the relay group control device based on CPLD under a kind of Android system, it is characterised in that：Including ARM chips, CPLD cores Piece, relay group, relay drive circuit, clock-reset circuit, power circuit and level shifting circuit, touch-screen, 2G/3G without Wire module；The ARM chips are connected with the touch-screen, 2G/3G wireless modules, CPLD chips, and the CPLD chips are through relay Device drive circuit is connected to relay group, and the power circuit and level shifting circuit are used to provide power supply for whole device, institute Stating clock-reset circuit is used to realize whole device reset function.

2. the relay group control device based on CPLD under Android system according to claim 1, it is characterised in that：It is described ARM chips can run android system.

3. the relay group control device based on CPLD under Android system according to claim 1 or 2, it is characterised in that： The ARM chips are S5pv210 chips.

4. the relay group control device based on CPLD under Android system according to claim 1, it is characterised in that：It is described CPLD chips are Epm240 chips.

5. the relay group control device based on CPLD under Android system according to claim 1, it is characterised in that：It is described Power circuit and level shifting circuit use AMS1117, RT9011-MGP chip, to export 1.8V, 2.8V, 3.3V output electricity Pressure.

6. the relay group control device based on CPLD under Android system according to claim 1, it is characterised in that：It is described Relay drive circuit uses ULN2003APG chips.

7. the relay group control device based on CPLD under Android system according to claim 1, it is characterised in that：It is described Relay group is constituted using JQC-3FF.