CN101916099A - Signal acquisition device and method thereof - Google Patents
Signal acquisition device and method thereof Download PDFInfo
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- CN101916099A CN101916099A CN2010102509662A CN201010250966A CN101916099A CN 101916099 A CN101916099 A CN 101916099A CN 2010102509662 A CN2010102509662 A CN 2010102509662A CN 201010250966 A CN201010250966 A CN 201010250966A CN 101916099 A CN101916099 A CN 101916099A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a signal acquisition device and a method thereof. The device comprises a serial port connector, a micro processing unit MCU, a complex programmable logical device CPLD and a detection signal input connector which are sequentially signally connected in series; wherein the CPLD is used for acquiring a level signal of each detector from the detection signal input connector, the level signal is converted into data information, the data information is stored into the internal register of the CPLD; and the MCU is used for reading the data information from the register of the CPLD and transmitting the data information to an upper host from the serial port connector. In the signal acquisition device and method thereof which are provided by the invention, multipath state information signals are transmitted and registered into the CPLD, the state information signal is read by virtue of a CPU, and the state information signal is transmitted into an upper host by virtue of the serial port connector, so that the upper host can simultaneously acquire and read the state information signals of multipath detectors.
Description
Technical field
The present invention relates to electronic technology field, specifically be meant the signal pickup assembly that is used for information of vehicles and signal information collection.
Background technology
Need monitor a plurality of tracks of a plurality of directions, a crossing for the general cover crossing control system of traffic electronic police system.Is example with a four directions to the crossroad, each direction of this crossing has four tracks, the system of the general illegal candid photograph of making a dash across the red light, can lay 2 coil checkers in each track, four direction is arranged, every direction has four tracks, and the signal status information (that is: level signal) that has 32 coil checkers need be input to crossing control system, and (as: industrial control host is also referred to as: upper main frame); Simultaneously each direction signal has 5 kinds of states (red, yellow, left, straight, the right side), will have 20 tunnel traffic light signal signal status information like this and need be input to crossing control system.By above analysis, for this crossing control system, to need to gather 52 circuit detector signal status informations, 52 tunnel relatively independent signal status informations send to this crossing control system, for the main frame that is used for crossing control system, this main frame generally has only the interface of several routines, 52 multichannels can not be inserted simultaneously the interface of this main frame, so this main frame can not directly accept to surpass signal status information its interface quantity, that directly sended over by each detecting device.
Summary of the invention
Fundamental purpose of the present invention provides a kind of signal pickup assembly and method, can gather and handle the vehicle state information signal of multichannel and the signal status information of signal lamp simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of signal pickup assembly, it comprises signal successively serial connection: serial port connector, microprocessing unit MCU, complicated programmable logic device CPLD, detection signal input connector, wherein:
Described CPLD is used for obtaining from described detection signal input connector the level signal of each detecting device, and described level signal is converted to data message, described data message is kept in the internal register of described CPLD;
Described MCU is used for reading described data message from the register of described CPLD, and described data message is sent to upper main frame from described serial port connector.
Preferably, described MCU is used for by serial data described data message being sent to upper main frame from described serial port connector.
Preferably, described MCU is used for reading described data message by 8 bit address/data bus from the register of described CPLD.
Preferably, described serial port connector is the serial port connector of RS232 serial port protocol.
The present invention also provides a kind of signal acquisition method, and it comprises:
CPLD obtains the level signal of each detecting device from the detection signal input connector, and described level signal is converted to data message, described data message is kept in the internal register of described CPLD;
MCU reads described data message from the register of described CPLD, described data message is sent to upper main frame from serial port connector.
Preferably, described MCU sends to upper main frame with described data message from serial port connector, specifically comprises: described MCU sends to upper main frame with described data message from described serial port connector by serial data.
Preferably, described MCU reads described data message from the register of described CPLD, specifically comprise: described MCU reads described data message by 8 bit address/data bus from the register of described CPLD.
Preferably, described serial port connector is the serial port connector of RS232 serial port protocol.
Implement technical scheme of the present invention, has following beneficial effect: signal pickup assembly provided by the invention and method, send and be deposited with among the CPLD by signal status information (that is: level signal) with multichannel, and read this signal status information by CPU, and this signal status information sent in the upper main frame by serial port connector, be the signal status information that multi-channel detector could be gathered and read to upper main frame simultaneously.
Description of drawings
The structural representation of the signal pickup assembly that Fig. 1 provides for the embodiment of the invention;
Fig. 2 provides the Organization Chart of the Application Example of signal pickup assembly for the embodiment of the invention;
The process flow diagram of the signal acquisition method that Fig. 3 provides for the embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of signal pickup assembly, and it comprises signal successively serial connection: serial port connector 104, MCU (microprocessing unit) 103, CPLD (complicated programmable logic device) 102, detection signal input connector 101, wherein:
Described CPLD 102 is used for obtaining from described detection signal input connector 101 level signal of each detecting device, and described level signal is converted to data message, described data message is kept in the internal register of described CPLD 102; Wherein, described detection signal input connector 101 has the interface with the identical way of detecting device, information of vehicles detecting device and signal information detecting device are connected respectively to the interface of this detection signal input connector 101, and this data message is stored in these CPLD 102 inner relevant register.In the specific embodiment, described MCU 103 is used for reading described data message by 8 bit address/data bus from the register of described CPLD 102.
Described MCU 103, be used for reading described data message from the register of described CPLD 102, described data message is sent to upper main frame 300 from described serial port connector 104, in the specific embodiment, described MCU103 is used for by serial data described data message being sent to upper main frame 300 from described serial port connector 104.As shown in Figure 2, be the Application Example of this information collecting device 200.This device is converted to data message with the detecting device level signal that receives, and this data message is sent to upper main frame 300 by serial data.The level signal that can realize gathering the detecting device of multichannel sends to upper main frame 300 and handles.
In the preferred embodiment, described serial port connector 104 is the serial port connector 104 of RS232 serial port protocol, quickly and easily this data message is sent to upper main frame 300.
The embodiment of the invention also provides a kind of signal acquisition method, and as shown in Figure 3, this method comprises:
S301, CPLD obtain the level signal of each detecting device from the detection signal input connector, described level signal is converted to data message, and described data message is kept in the internal register of described CPLD;
S302, MCU read described data message from the register of described CPLD, described data message is sent to upper main frame from serial port connector.Specifically comprise: described MCU reads described data message by 8 bit address/data bus from the register of described CPLD.Described MCU sends to upper main frame with described data message from described serial port connector by serial data.
Wherein, among this embodiment, described serial port connector is the serial port connector of RS232 serial port protocol.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a signal pickup assembly is characterized in that, comprises signal successively serial connection: serial port connector, microprocessing unit MCU, complicated programmable logic device CPLD, detection signal input connector, wherein:
Described CPLD is used for obtaining from described detection signal input connector the level signal of each detecting device, and described level signal is converted to data message, described data message is kept in the internal register of described CPLD;
Described MCU is used for reading described data message from the register of described CPLD, and described data message is sent to upper main frame from described serial port connector.
2. signal pickup assembly according to claim 1 is characterized in that described MCU is used for by serial data described data message being sent to upper main frame from described serial port connector.
3. signal pickup assembly according to claim 1 is characterized in that, described MCU is used for reading described data message by 8 bit address/data bus from the register of described CPLD.
4. signal pickup assembly according to claim 1 is characterized in that described serial port connector is the serial port connector of RS232 serial port protocol.
5. a signal acquisition method is characterized in that, comprising:
CPLD obtains the level signal of each detecting device from the detection signal input connector, and described level signal is converted to data message, described data message is kept in the internal register of described CPLD;
MCU reads described data message from the register of described CPLD, described data message is sent to upper main frame from serial port connector.
6. as method as described in the claim 5, it is characterized in that described MCU sends to upper main frame with described data message from serial port connector, specifically comprises: described MCU sends to upper main frame with described data message from described serial port connector by serial data.
7. as method as described in the claim 5, it is characterized in that described MCU reads described data message from the register of described CPLD, specifically comprise: described MCU reads described data message by 8 bit address/data bus from the register of described CPLD.
8. as method as described in the claim 5, it is characterized in that described serial port connector is the serial port connector of RS232 serial port protocol.
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| CN2010102509662A CN101916099A (en) | 2010-08-11 | 2010-08-11 | Signal acquisition device and method thereof |
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| CN2010102509662A CN101916099A (en) | 2010-08-11 | 2010-08-11 | Signal acquisition device and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354126A (en) * | 2011-05-27 | 2012-02-15 | 迈锐数据（北京）有限公司 | Relay device |
| CN103198695A (en) * | 2013-03-15 | 2013-07-10 | 湖南赛道科技有限公司 | Multi-channel signal lamp state detector based on CPLD or FPGA |
| CN103631325A (en) * | 2012-08-22 | 2014-03-12 | 成都爱斯顿测控技术有限公司 | Main control panel based on PowerPC processor |
| CN108427026A (en) * | 2018-03-22 | 2018-08-21 | 西安天箭防务科技有限公司 | A kind of universal signal waveform acquisition equipment |
| CN111477001A (en) * | 2020-03-04 | 2020-07-31 | 中国联合网络通信有限公司广州市分公司 | Traffic signal acquisition and management system based on 5G and MEC |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226689A (en) * | 2008-02-03 | 2008-07-23 | 北京交通大学 | Multi-sensor access device for acquisition of road traffic information and data fusion method thereof |
| CN101694945A (en) * | 2009-10-22 | 2010-04-14 | 中兴通讯股份有限公司 | Uninterruptible power source monitoring device |
-
2010
- 2010-08-11 CN CN2010102509662A patent/CN101916099A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226689A (en) * | 2008-02-03 | 2008-07-23 | 北京交通大学 | Multi-sensor access device for acquisition of road traffic information and data fusion method thereof |
| CN101694945A (en) * | 2009-10-22 | 2010-04-14 | 中兴通讯股份有限公司 | Uninterruptible power source monitoring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354126A (en) * | 2011-05-27 | 2012-02-15 | 迈锐数据（北京）有限公司 | Relay device |
| CN103631325A (en) * | 2012-08-22 | 2014-03-12 | 成都爱斯顿测控技术有限公司 | Main control panel based on PowerPC processor |
| CN103198695A (en) * | 2013-03-15 | 2013-07-10 | 湖南赛道科技有限公司 | Multi-channel signal lamp state detector based on CPLD or FPGA |
| CN103198695B (en) * | 2013-03-15 | 2016-03-30 | 湖南赛道科技有限公司 | A kind of multi channel signals lamp state detector based on CPLD or FPGA |
| CN108427026A (en) * | 2018-03-22 | 2018-08-21 | 西安天箭防务科技有限公司 | A kind of universal signal waveform acquisition equipment |
| CN111477001A (en) * | 2020-03-04 | 2020-07-31 | 中国联合网络通信有限公司广州市分公司 | Traffic signal acquisition and management system based on 5G and MEC |
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