CN105094102A - Intelligent district data acquisition system equipped with serial server - Google Patents
Intelligent district data acquisition system equipped with serial server Download PDFInfo
- Publication number
- CN105094102A CN105094102A CN201510588529.4A CN201510588529A CN105094102A CN 105094102 A CN105094102 A CN 105094102A CN 201510588529 A CN201510588529 A CN 201510588529A CN 105094102 A CN105094102 A CN 105094102A
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- China
- Prior art keywords
- diode
- circuit
- serial server
- resistance
- data acquisition
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The invention discloses an intelligent district data acquisition system equipped with a serial server. The intelligent district data acquisition system equipped with the serial server comprises at least one front subsystem and a back subsystem, wherein the front subsystem comprises multiple data acquisition devices having RS485 interfaces and being in sequential series connection, a video monitor having an RS485 interface and the serial server, wherein the data acquisition devices are connected with the serial server through the video monitor, the back subsystem comprises a PC and a network switch, and the PC is connected with the serial server through the network switch. According to the intelligent district data acquisition system equipped with the serial server, the multiple data acquisition devices can be driven by the serial server, so manufacturing cost is low; if more data acquisition devices are required, extra multiple data acquisition devices can be directly connected with the original multiple data acquisition devices, and expansion is convenient.
Description
Technical field
The present invention relates to data acquisition technology field, particularly relate to the intelligent residential district data acquisition system (DAS) that a kind of application has serial server.
Background technology
Along with the progress of science and technology, various advanced technology is applied among the life of people, improves intelligent level.The statistics of traditional water, electricity and gas etc. needs special messenger to carry out making a copy of numerical value, although there are some Automatic meter reading system now, exist cost high, be difficult to the shortcomings such as expansion.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the intelligent residential district data acquisition system (DAS) that a kind of application has serial server be provided, be convenient to expand, cheap.
The object of the invention is to be achieved through the following technical solutions: a kind of application has the intelligent residential district data acquisition system (DAS) of serial server, comprise at least one front terminal system and backend systems, front terminal system comprises the multiple data collector with RS485 interface, the video monitor with RS485 interface and serial server of connecting successively, and data collector is connected with serial server by video monitor; Backend systems comprises PC and the network switch, and PC is connected with serial server by the network switch.
Described serial server includes the first housing and is arranged on the first internal circuit in the first housing, and described first housing is provided with DB15 interface, RJ45 interface, the first power interface and the first status indicator lamp.
Described first internal circuit comprises the first power circuit, network port circuit, ARM9 master chip and serial port circuit, network port circuit, ARM9 chip and serial port circuit couple successively, first power circuit is connected with ARM9 master chip and the first power interface respectively, network port circuit is connected with RJ45 interface, serial port circuit is connected with DB15 interface, and ARM9 master chip is also connected with the first status indicator lamp.
Described first status indicator lamp comprises power light, run indicator, network connection pilot lamp, network data transmission pilot lamp, serial data transmission pilot lamp and malfunction indicator lamp.
Described video monitor comprises the second housing, video camera, static eliminating circuit and amplifying circuit is provided with in second housing, the signal output part of video camera is connected with the signal input part of static eliminating circuit, the signal output part of static eliminating circuit is connected with the signal input part of amplifying circuit, and the signal output part of amplifying circuit is connected with the signal input part of serial server by RS485 interface.
Described static eliminating circuit comprises direct supply, first resistance, second resistance, 3rd resistance, 4th resistance, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode and electric capacity, the first end of the first resistance and the first end of the second resistance are interconnected the rear signal input part as static eliminating circuit, the second end of the second resistance respectively with the positive pole of the first diode, the negative pole of the second diode is connected with the first end of electric capacity, and the second end of electric capacity is connected with the first end of the 3rd resistance, the second end of the 3rd resistance respectively with the first end of the 4th resistance, the positive pole of the 3rd diode is connected with the negative pole of the 4th diode, the second end of the 4th resistance, the positive pole of the 5th diode and the negative pole of the 6th diode are interconnected the rear signal output part as static eliminating circuit, the positive pole of direct supply, the negative pole of the first diode, the negative pole of the 3rd diode and the negative pole of the 5th diode are interconnected, the negative pole of direct supply, second end of the first resistance, the positive pole of the second diode, the positive pole of the 4th diode and the positive pole of the 6th diode are interconnected.
The invention has the beneficial effects as follows: in the present invention, data collector gathers the data such as the water, electricity and gas of user, video monitor gathers the monitor video of porch, Mei Dong building, the water, electricity and gas collected and monitor video etc. are transferred to the PC in backend systems by serial server, check for staff, process, because serial server can drive multiple data collector, there is cheap advantage; As need data collector be increased, only need directly this data collector to be connected to original data collector.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that a kind of application of the present invention has the intelligent residential district data acquisition system (DAS) of serial server;
Fig. 2 is the structured flowchart of serial server in the present invention;
Fig. 3 is the circuit diagram of the static eliminating circuit of video monitor in the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of application has the intelligent residential district data acquisition system (DAS) of serial server, comprise at least one front terminal system and backend systems, front terminal system comprises the multiple data collector with RS485 interface, the video monitor with RS485 interface and serial server of connecting successively, and data collector is connected with serial server by video monitor; Backend systems comprises PC and the network switch, and PC is connected with serial server by the network switch.
As shown in Figure 2, described serial server includes the first housing and is arranged on the first internal circuit in the first housing, and described first housing is provided with DB15 interface, RJ45 interface, the first power interface and the first status indicator lamp.
Described first internal circuit comprises the first power circuit, network port circuit, ARM9 master chip and serial port circuit, network port circuit, ARM9 chip and serial port circuit couple successively, first power circuit is connected with ARM9 master chip and the first power interface respectively, network port circuit is connected with RJ45 interface, serial port circuit is connected with DB15 interface, and ARM9 master chip is also connected with the first status indicator lamp.
Described first status indicator lamp comprises power light, run indicator, network connection pilot lamp, network data transmission pilot lamp, serial data transmission pilot lamp and malfunction indicator lamp.Power light is red LED lamp, lights when+the 5V of ARM9 master chip powers normal; Run indicator is green LED lamp, and when ARM9 master chip is in running status, flicker frequency is that 2Hz(is fast), when being in debugging mode, flicker frequency is that 1Hz(is slow); It is green LED lamp that network connects pilot lamp, lights when network signal being detected, otherwise extinguishes; Network data transmission pilot lamp is green LED lamp, flicker during serial data transmission, otherwise extinguishes; Malfunction indicator lamp is green LED lamp, lights when serial server is abnormal, extinguishes time normal.
As shown in Figure 3, described video monitor comprises the second housing, video camera, static eliminating circuit and amplifying circuit is provided with in second housing, the signal output part of video camera is connected with the signal input part of static eliminating circuit, the signal output part of static eliminating circuit is connected with the signal input part of amplifying circuit, and the signal output part of amplifying circuit is connected with the signal input part of serial server by RS485 interface.
Described static eliminating circuit comprises direct supply, first resistance, second resistance, 3rd resistance, 4th resistance, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode and electric capacity, the first end of the first resistance and the first end of the second resistance are interconnected the rear signal input part as static eliminating circuit, the second end of the second resistance respectively with the positive pole of the first diode, the negative pole of the second diode is connected with the first end of electric capacity, and the second end of electric capacity is connected with the first end of the 3rd resistance, the second end of the 3rd resistance respectively with the first end of the 4th resistance, the positive pole of the 3rd diode is connected with the negative pole of the 4th diode, the second end of the 4th resistance, the positive pole of the 5th diode and the negative pole of the 6th diode are interconnected the rear signal output part as static eliminating circuit, the positive pole of direct supply, the negative pole of the first diode, the negative pole of the 3rd diode and the negative pole of the 5th diode are interconnected, the negative pole of direct supply, second end of the first resistance, the positive pole of the second diode, the positive pole of the 4th diode and the positive pole of the 6th diode are interconnected.
The above is only the preferred embodiment of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (6)
1. an application has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: comprise at least one front terminal system and backend systems, front terminal system comprises the multiple data collector with RS485 interface, the video monitor with RS485 interface and serial server of connecting successively, and data collector is connected with serial server by video monitor; Backend systems comprises PC and the network switch, and PC is connected with serial server by the network switch.
2. a kind of application according to claim 1 has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: described serial server includes the first housing and is arranged on the first internal circuit in the first housing, and described first housing is provided with DB15 interface, RJ45 interface, the first power interface and the first status indicator lamp.
3. a kind of application according to claim 2 has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: described first internal circuit comprises the first power circuit, network port circuit, ARM9 master chip and serial port circuit, network port circuit, ARM9 chip and serial port circuit couple successively, first power circuit is connected with ARM9 master chip and the first power interface respectively, network port circuit is connected with RJ45 interface, serial port circuit is connected with DB15 interface, and ARM9 master chip is also connected with the first status indicator lamp.
4. a kind of application according to claim 2 has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: described first status indicator lamp comprises power light, run indicator, network connection pilot lamp, network data transmission pilot lamp, serial data transmission pilot lamp and malfunction indicator lamp.
5. a kind of application according to claim 1 has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: described video monitor comprises the second housing, video camera, static eliminating circuit and amplifying circuit is provided with in second housing, the signal output part of video camera is connected with the signal input part of static eliminating circuit, the signal output part of static eliminating circuit is connected with the signal input part of amplifying circuit, and the signal output part of amplifying circuit is connected with the signal input part of serial server by RS485 interface.
6. a kind of application according to claim 5 has the intelligent residential district data acquisition system (DAS) of serial server, it is characterized in that: described static eliminating circuit comprises direct supply, first resistance, second resistance, 3rd resistance, 4th resistance, first diode, second diode, 3rd diode, 4th diode, 5th diode, 6th diode and electric capacity, the first end of the first resistance and the first end of the second resistance are interconnected the rear signal input part as static eliminating circuit, the second end of the second resistance respectively with the positive pole of the first diode, the negative pole of the second diode is connected with the first end of electric capacity, and the second end of electric capacity is connected with the first end of the 3rd resistance, the second end of the 3rd resistance respectively with the first end of the 4th resistance, the positive pole of the 3rd diode is connected with the negative pole of the 4th diode, the second end of the 4th resistance, the positive pole of the 5th diode and the negative pole of the 6th diode are interconnected the rear signal output part as static eliminating circuit, the positive pole of direct supply, the negative pole of the first diode, the negative pole of the 3rd diode and the negative pole of the 5th diode are interconnected, the negative pole of direct supply, second end of the first resistance, the positive pole of the second diode, the positive pole of the 4th diode and the positive pole of the 6th diode are interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510588529.4A CN105094102A (en) | 2015-09-16 | 2015-09-16 | Intelligent district data acquisition system equipped with serial server |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510588529.4A CN105094102A (en) | 2015-09-16 | 2015-09-16 | Intelligent district data acquisition system equipped with serial server |
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| CN105094102A true CN105094102A (en) | 2015-11-25 |
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| CN201510588529.4A Pending CN105094102A (en) | 2015-09-16 | 2015-09-16 | Intelligent district data acquisition system equipped with serial server |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778857A (en) * | 2015-04-20 | 2015-07-15 | 浙江宇视科技有限公司 | Wiring method for parking lot inducible system of intelligent parking lot and parking lot inducible system |
| CN106339049A (en) * | 2016-08-31 | 2017-01-18 | 安徽康海时代科技股份有限公司 | Terminal type server with two serial ports |
| CN106372016A (en) * | 2016-08-31 | 2017-02-01 | 安徽康海时代科技股份有限公司 | Serial port server with RJ45 port |
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Application publication date: 20151125 |
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