CN204302699U - A kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port - Google Patents
A kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port Download PDFInfo
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- CN204302699U CN204302699U CN201420596478.0U CN201420596478U CN204302699U CN 204302699 U CN204302699 U CN 204302699U CN 201420596478 U CN201420596478 U CN 201420596478U CN 204302699 U CN204302699 U CN 204302699U
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Abstract
The utility model relates to a kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port, refers to that the short circuit mode changing circuit upper port is to realize the control system that touch-screen carries out One screen multi-machine control especially.Described control system comprises touch-screen and governor circuit, and described governor circuit comprises a master cpu, described touch-screen by RS 485 serial ports, connect master cpu; It is characterized in that, described governor circuit I/O interface comprises multiple short-circuited terminal, and described short-circuited terminal is connected to master cpu; And jumper cap, during the different individual short-circuited terminal of described jumper cap short circuit, master cpu detects the level of each short-circuited terminal; Master cpu, according to the low and high level of the I/O interface detected, configures the corresponding tributary address of each equipment, controls different equipment.The application utilizes device on circuit to carry out arranging as toggle switch, thus defines current state, and identifies current state, judges corresponding reception and sends data, thus realizing the control mode of One screen multi-machine.
Description
Technical field
The One screen multi-machine that the present invention relates to touch-screen controls, and refers to that the short circuit mode changing circuit upper port is to realize the control system that touch-screen carries out One screen multi-machine control especially.
Background technology
At present in the occasion of the purposes such as street lighting or miniwatt product, a lot of company is in order to devise with the single-phase equipment of 220V input for different power supply environment, if need the occasion for three phase supply, the scheme of multiple devices Combination application can be adopted to solve.
For the clean power supply of intelligent power saving in the market, may be used for single phase power supply occasion, also can be used for the occasion of three phase supply.When this three equipment merge into a set of three-phase equipment, need a set of to this by a touch-screen in three equipment carry out synchronization monitoring, also can different mode of operations be set respectively, be applicable to current working environment.Therefore the control going in its simplest form to realize One screen multi-machine is needed.
Traditional solution is by three equipment software that burning is different respectively, changes the control mode that its address, substation realizes three equipment, or goes to realize by the mode of electrical wiring.The consequence that this mode causes is that software version is too much, and complex management, reduces the work efficiency of installment and debugging personnel.
Summary of the invention
Object of the present invention is the defect for prior art, invents the pin mode of the short circuit arrangement of a kind of direct jumper cap, defines the address, substation of three equipment, thus reaches only with a version software, just controls three equipment by touch-screen.
Technical scheme of the present invention is as follows:
1, realized a control system for touch-screen One screen multi-machine control by short circuit port, described control system comprises touch-screen and governor circuit, and described governor circuit comprises a master cpu, and described touch-screen, by RS ?485 serial ports, connects master cpu;
It is characterized in that, described governor circuit I/O interface comprises multiple short-circuited terminal, and described short-circuited terminal is connected to master cpu;
And jumper cap, during the different individual short-circuited terminal of described jumper cap short circuit, master cpu detects the level of each short-circuited terminal;
Master cpu, according to the low and high level of the I/O interface detected, configures the corresponding tributary address of each equipment, controls different equipment.
Further, described governor circuit I/O interface comprises 3 short-circuited terminals J104, J105, J106, and connects current-limiting circuit R52, R53, R54, R55, R56, R57 respectively; Through resistance, signal is input to EX DI16 interface, this interface is input to interface corresponding in integrated circuit 74FCT164245 through general-purpose digital signal terminal; Master cpu detects the level of each short-circuited terminal; According to the low and high level of the I/O interface detected, configure the corresponding tributary address of each equipment, control different equipment.
Further, the master cpu of described system externally draw USB, 2 road RS ?485 serial ports and a road UART.
Beneficial effect of the present invention is:
On this product utilization circuit, device carries out arranging as toggle switch, thus defines current state, and identifies current state, judges corresponding reception and sends data, thus realizing the control mode of One screen multi-machine, at least having following beneficial effect:
(1) software administration cost can be reduced in this way;
(2) workload of mounting process is reduced;
(3) debugging efforts efficiency is increased;
(4) multiple devices use a touch-screen to control, and can reduce Total Product cost;
(5) easy to operate, only need use touch-screen can carry out real-time monitor and managment to multiple devices.
Accompanying drawing explanation
Fig. 1 is control system circuit structure diagram of the present invention.
Fig. 2 is that I/O interface circuit of the present invention specifically arranges figure.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Fig. 1 is control system circuit structure diagram of the present invention.Adopt STM32F407 as master cpu, reserved enough Function Extension spaces and resource, external extraction USB, 2 road RS ?485 serial ports and a road UART, USB is mainly used in ROMPaq, convenient can the program of programming CPU under the condition of not taking cabinet apart, 1 road RS ?485 for connecting outside touch-screen, adopt MODBUS rtu protocol, an other road RS ?485 for connecting host computer.UART is for connecting drive plate.Extend the IO of multiple digital quantity.
Touch-screen can be selected on market and develop the ripe module possessing One screen multi-machine function, need possess 485 interfaces.According to the communication port of touch-screen and the communication port of master control definition, customization related communication line.
By above-mentioned environment, to a touch-screen, real-time Communication for Power is carried out to multiple governor circuit, corresponding with the data of the display in Ge Lu master control in order to ensure touch-screen, data are not lost, do not report by mistake, only need arrange governor circuit upper port, touch-screen is made the state of current governor circuit I/O port to be detected, thus automatically configure address, corresponding substation, respectively the state of multiple different governor circuit is shown to the zones of different of same touch-screen, thus also can realizes the governor circuit of a touch-screen to address, different substation and control respectively.
According to actual functional capability and the requirement of equipment, the hardware of master control borad needs:
(1) power circuit that can run for master cpu and interlock circuit;
(2) reset circuit of the Power Supply Monitoring function of superior performance can be provided;
The circuit that (3) at least 8 road AD sample and 2 road DA change;
(4) the work clock circuit of CPU and other circuit is provided;
(5) for Flash circuit or the eeprom circuit of power down maintenance;
(6) for the serial port circuit of data transmission;
(7) for the jtag interface circuit of programming program;
(8) Ethernet;
(9) USB interface;
I/O interface hardware comprises the integrated circuit 74FCT164245 of signal transacting, general-purpose digital signal terminal, current-limiting resistance R52 ~ R57, short-circuited terminal J104, J105, J106, and the device such as CPU:STM32F4071GT6 composition.When jumper cap short circuit J104 terminal, PHA is high level, through resistance, signal is input to EX DI16 interface, this interface is input to interface corresponding in integrated circuit 74FCT164245 through general-purpose digital signal terminals P 2, and CPU is by detecting the state (low and high level) of each I/O port, judge effective input port in PHA, PHB and PHC, thus configure corresponding tributary address in software.
Now for the light energy-efficient equipment that three device assembles are a set of equipment, be A, B, C three-phase by three device definitions respectively, the order wire that the governor circuit of three equipment customizes is accessed same touch panel device respectively.By J104 terminal jumper cap short circuit in the governor circuit of A phase, now in Fig. 2, PHA is high level " 1 ", PHB, PHC are low level " 0 ", main control software detects when I/O port PHA, B, C state is 100, the address, substation distributing A phase equipment is the address of 02 beginning, and the data being sent by A phase equipment and receive are sent to the corresponding region of touch-screen.In like manner, by J105 terminal jumper cap short circuit in the governor circuit of B phase, now in Fig. 2, PHB is high level " 1 ", PHA, PHC are low level " 0 ", main control software detects when I/O port PHA, B, C state is 010, the address, substation distributing B phase equipment is the address of 03 beginning, and the data being sent by B phase equipment and receive are sent to the corresponding region of touch-screen.So can corresponding short circuit J106, make C phase and touch-screen carry out communicating and transmitting data, thus reach the function of One screen multi-machine.
Claims (3)
1. realized a control system for touch-screen One screen multi-machine control by short circuit port, described control system comprises touch-screen and governor circuit, and described governor circuit comprises a master cpu, and described touch-screen, by RS-485 serial ports, connects master cpu;
It is characterized in that, described governor circuit I/O interface comprises multiple short-circuited terminal, and described short-circuited terminal is connected to master cpu;
And jumper cap, during the different individual short-circuited terminal of described jumper cap short circuit, master cpu detects the level of each short-circuited terminal;
Master cpu, according to the low and high level of the I/O interface detected, configures the corresponding tributary address of each equipment, controls different equipment.
2. a kind of control system according to claim 1, is characterized in that: described governor circuit I/O interface comprises 3 short-circuited terminals J104, J105, J106, and connects current-limiting circuit R52, R53, R54, R55, R56, R57 respectively; Through resistance, signal is input to EX DI16 interface, this interface is input to interface corresponding in integrated circuit 74FCT164245 through general-purpose digital signal terminal; Master cpu detects the level of each short-circuited terminal; According to the low and high level of the I/O interface detected, configure the corresponding tributary address of each equipment, control different equipment.
3. control system according to claim 1, is characterized in that: the master cpu of described system externally draws USB, 2 road RS-485 serial ports and a road UART.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596478.0U CN204302699U (en) | 2014-10-15 | 2014-10-15 | A kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596478.0U CN204302699U (en) | 2014-10-15 | 2014-10-15 | A kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port |
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| Publication Number | Publication Date |
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| CN204302699U true CN204302699U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420596478.0U Expired - Fee Related CN204302699U (en) | 2014-10-15 | 2014-10-15 | A kind of control system being realized the control of touch-screen One screen multi-machine by short circuit port |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460407A (en) * | 2014-10-15 | 2015-03-25 | 北京英博电气股份有限公司 | Control system for achieving one-screen multi-machine control over touch screen through short-circuit port |
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2014
- 2014-10-15 CN CN201420596478.0U patent/CN204302699U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460407A (en) * | 2014-10-15 | 2015-03-25 | 北京英博电气股份有限公司 | Control system for achieving one-screen multi-machine control over touch screen through short-circuit port |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20181015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |