CN102722742B - Access apparatus of sensor - Google Patents
Access apparatus of sensor Download PDFInfo
- Publication number
- CN102722742B CN102722742B CN201110433462.9A CN201110433462A CN102722742B CN 102722742 B CN102722742 B CN 102722742B CN 201110433462 A CN201110433462 A CN 201110433462A CN 102722742 B CN102722742 B CN 102722742B
- Authority
- CN
- China
- Prior art keywords
- signal
- interface
- sensor
- memory
- code information
- Prior art date
- 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.)
- Active
Links
Abstract
The invention provides an access apparatus of a sensor. The access apparatus is connected between the sensor and a node. The access apparatus comprises an expansion card and a card base. The expansion card is connected with a slot on the card base through a golden finger on the expansion card. The card base is connected with a serial bus of the node. The expansion card also comprises a first memory, a first interface, a first processor and a second interface, wherein the first memory is used to store first code information which is used to convert a signal of a first signal type into a serial signal; the first interface is connected with the sensor and is used to receive the signal of a first signal type of the sensor; the first processor is connected with the first memory and the first interface and is used to execute first code information in the first memory and convert the signal of a first signal type of the sensor into a digital signal; the second interface is connected with the first processor and the card base and is used to send the digital signal.
Description
Technical field
The present invention relates to signal transacting field, particularly relate to a kind of access device of sensor.
Background technology
Internet of things system needs the data processing multiple sensors, general way is the data that a node gathers a kind of sensor, also node is had to access multiple sensors, but these kind of sensor must be fixed, because once other sensor types will be replaced by, software or the hardware of node more or less must be revised.Based on above-mentioned situation, when making node access sensor, there is significant limitation.
Summary of the invention
The invention provides a kind of access device of sensor, the technical matters that solve how to enable node adapt to multiple sensors signal.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of access device of sensor, be connected between sensor and node, wherein said access device comprises expansion card and Ka Ji, wherein said expansion card is connected with the slot on card base by the golden finger on this expansion card, wherein said card base is connected with the universal serial bus of described node, and wherein said expansion card also comprises:
First memory, for storing the first code information signal of the first signal type being converted to rs 232 serial interface signal;
First interface, is connected with described sensor, for the signal of the first signal type of receiving sensor;
First processor, is connected with described first interface with described first memory, for performing the first code information in described first memory, converts the signal of the first signal type of described sensor to digital signal;
Second interface, is connected with described card base with described first processor, for described digital signal being sent.
Preferably, described device also has following features: described expansion card also comprises:
Second memory, for storing the second code information of signal digital signal being converted to the first signal type;
3rd interface, for receiving the digital signal that external unit sends;
Second processor, being connected with described second memory with described 3rd interface, for performing the second code information in described second memory, the digital signal of described sensor being converted to the signal of the first signal type;
Second interface, is connected with described sensor with described second processor, for being sent by the signal of described first signal type.
Preferably, described device also has following features: described expansion card also comprises:
5th interface, for receiving the third generation code information for the signal of the second data type being converted to digital signal;
First write circuit, is connected with described first memory with described 5th interface, for described third generation code information is saved in first memory;
Wherein said first processor, when receiving the signal of the second data type, performs described third generation code information, converts the signal of described second data type to digital signal.
Preferably, described device also has following features: described expansion card also comprises:
6th interface, for receiving the second code information of the signal for digital signal being converted to the second data type;
Second write circuit, is connected with described second memory with described 6th interface, for described second code information is saved in second memory;
Wherein said second processor, when receiving digital signal, performs described forth generation code information, digital signal is converted to the signal of the second data type.
Compared with prior art, processed by the signal type of access device to sensor, the signal that the signal obtaining identifying with node matches, make just can adapt to multiple sensors not making any amendment to node software and hardware.
Accompanying drawing explanation
Fig. 1 is the structural representation of the access device embodiment of sensor provided by the invention;
Fig. 2 is another structural representation of middle expansion card embodiment illustrated in fig. 1.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 1 is the structural representation of the access device embodiment of sensor provided by the invention.Fig. 1 shown device is connected between sensor and node, wherein said access device comprises expansion card and Ka Ji, wherein said expansion card is connected with the slot on card base by the golden finger on this expansion card, wherein said card base is connected with the universal serial bus of described node, and wherein said expansion card also comprises:
First memory 101, for storing the first code information signal of the first signal type being converted to rs 232 serial interface signal;
First interface 102, is connected with described sensor, for the signal of the first signal type of receiving sensor;
First processor 103, is connected with described first interface 102 with described first memory 101, for performing the first code information in described first memory, converts the signal of the first signal type of described sensor to digital signal;
Second interface 104, is connected with described card base with described first processor 101, for described digital signal being sent.
For example, first memory stores the first code information for the simulating signal of RS232 being converted to digital signal, after the signal type got from a certain sensor from first interface is the simulating signal of RS232, first processor reads and performs this first code information, be that the simulating signal of RS232 converts digital signal to by the signal type received, and send via card base, because Ka Ji is connected with the universal serial bus for the treatment of facility, and universal serial bus can identification data signals, so node can get the information of sensor.
Certainly, the method is applicable equally when processing the signal of other signal types.
, also can find out, under reaching node and getting the object of the information of sensor, the software and hardware of node is all changed meanwhile.
In addition, when user need to use this device by the Signal transmissions of another signal type to node time, following means can be adopted:
Fig. 2 is another structural representation of middle expansion card embodiment illustrated in fig. 1.Described in embodiment illustrated in fig. 2, device also comprises:
5th interface 201, for receiving the third generation code information for the signal of the second data type being converted to digital signal;
First write circuit 202, is connected with described first memory 101 with described 5th interface 201, for described third generation code information is saved in first memory 101;
Wherein said first processor 103, when receiving the signal of the second data type, performs described third generation code information, converts the signal of described second data type to digital signal.
Write new code information by the interface of this device to this device, call above-mentioned new code information by first processor, realize the process of the signal to multi-signal type, make this device carry out general versatility to signal transacting.
Certainly, the communication of sensor and node is not unidirectional.For some sensor, it is after receiving outside triggering, just can carry out the acquisition operations of signal.Therefore, based on above-mentioned situation, expansion card provided by the invention also comprises:
Second memory, for storing the second code information of signal digital signal being converted to the first signal type;
3rd interface, for receiving the digital signal that external unit sends;
Second processor, being connected with described second memory with described 3rd interface, for performing the second code information in described second memory, the digital signal of described sensor being converted to the signal of the first signal type;
Second interface, is connected with described sensor with described second processor, for being sent by the signal of described first signal type.
In simple terms, this signal, before the signal sent by node is transmitted to sensor, is first converted to the signal that this sensor can identify, then is transmitted to sensor by this device, and the communication realized between the two is unimpeded.
Certainly, described expansion card also comprises:
6th interface, for receiving the second code information of the signal for digital signal being converted to the second data type;
Second write circuit, is connected with described second memory with described 6th interface, for described second code information is saved in second memory;
Wherein said second processor, when receiving digital signal, performs described forth generation code information, digital signal is converted to the signal of the second data type.
By above-mentioned hardware configuration, when the sensor that node is external changes, this device still can continue as this node and provide signal processing function, makes this device have general versatility when connecting different sensors.
In sum, by access device, the required signal type that communicates between sensor and node is processed, obtain all to identify signal with node and sensor, make just can adapt to multiple sensors not making any amendment to node software and hardware, improve the versatility of node to sensor.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain described in claim.
Claims (3)
1. the access device of a sensor, it is characterized in that, be connected between sensor and node, wherein said access device comprises expansion card and Ka Ji, wherein said expansion card is connected with the slot on card base by the golden finger on this expansion card, wherein said card base is connected with the universal serial bus of described node, and wherein said expansion card also comprises:
First memory, for storing the first code information signal of the first signal type being converted to rs 232 serial interface signal;
First interface, is connected with described sensor, for the signal of the first signal type of receiving sensor;
First processor, is connected with described first interface with described first memory, for performing the first code information in described first memory, converts the signal of the first signal type of described sensor to digital signal;
Second interface, is connected with described card base with described first processor, for described digital signal being sent;
Second memory, for storing the second code information of signal digital signal being converted to the first signal type;
3rd interface, for receiving the digital signal that external unit sends;
Second processor, being connected with described second memory with described 3rd interface, for performing the second code information in described second memory, the digital signal of described sensor being converted to the signal of the first signal type;
4th interface, is connected with described sensor with described second processor, for being sent by the signal of described first signal type.
2. device according to claim 1, is characterized in that, described expansion card also comprises:
5th interface, for receiving the third generation code information for the signal of the second data type being converted to digital signal;
First write circuit, is connected with described first memory with described 5th interface, for described third generation code information is saved in first memory;
Wherein said first processor, when receiving the signal of the second data type, performs described third generation code information, converts the signal of described second data type to digital signal.
3. device according to claim 1, is characterized in that, described expansion card also comprises:
6th interface, for receiving the forth generation code information of the signal for digital signal being converted to the second data type;
Second write circuit, is connected with described second memory with described 6th interface, for described forth generation code information is saved in second memory;
Wherein said second processor, when receiving digital signal, performs described forth generation code information, digital signal is converted to the signal of the second data type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433462.9A CN102722742B (en) | 2011-12-21 | 2011-12-21 | Access apparatus of sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433462.9A CN102722742B (en) | 2011-12-21 | 2011-12-21 | Access apparatus of sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102722742A CN102722742A (en) | 2012-10-10 |
| CN102722742B true CN102722742B (en) | 2015-07-01 |
Family
ID=46948491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110433462.9A Active CN102722742B (en) | 2011-12-21 | 2011-12-21 | Access apparatus of sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102722742B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325425A (en) * | 2008-07-25 | 2008-12-17 | 清华大学 | Communication module for ZigBee wireless sensor network |
| CN101801116A (en) * | 2010-01-29 | 2010-08-11 | 杭州电子科技大学 | Standard sensor interface circuit of wireless sensor network node |
| CN101860528A (en) * | 2009-04-10 | 2010-10-13 | 索尼公司 | Authenticating device, authentication method and program |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2054804B1 (en) * | 2006-04-07 | 2017-05-17 | Qualcomm Incorporated | Sensor interface, and methods and apparatus pertaining to same |
-
2011
- 2011-12-21 CN CN201110433462.9A patent/CN102722742B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325425A (en) * | 2008-07-25 | 2008-12-17 | 清华大学 | Communication module for ZigBee wireless sensor network |
| CN101860528A (en) * | 2009-04-10 | 2010-10-13 | 索尼公司 | Authenticating device, authentication method and program |
| CN101801116A (en) * | 2010-01-29 | 2010-08-11 | 杭州电子科技大学 | Standard sensor interface circuit of wireless sensor network node |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102722742A (en) | 2012-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104063300A (en) | Acquisition device based on FPGA (Field Programmable Gate Array) for monitoring information of high-end multi-channel server | |
| CN102724143B (en) | Send method and the things-internet gateway of Internet of Things data | |
| CN105137842A (en) | Stage adaptive coupling device | |
| CN105337850A (en) | Internet of Things data processing method and internet of Things gateway | |
| CN113946480A (en) | Detection device and method for I2C bus | |
| CN102722742B (en) | Access apparatus of sensor | |
| KR20130045894A (en) | Interrupt source management device and interrupt processing system | |
| CN109308275A (en) | A kind of converting system and method for quadrature coding pulse | |
| US9747205B2 (en) | Method for processing data and electronic device | |
| CN203754167U (en) | Handheld terminal for elevator debugging and maintenance | |
| CN105677341A (en) | Method for solving the problem of too many software branch statements | |
| CN102594871A (en) | Data packaging method and system, adapter and Internet of things middleware | |
| CN105512072A (en) | Conversion device based on APB (advanced peripheral bus) and OPB (on-chip peripheral bus) | |
| CN205015660U (en) | Stage self -adaptation matching unit | |
| CN104572317A (en) | Mainboard and method for acquiring time information by utilizing baseboard management controller of mainboard | |
| CN112445743B (en) | Burr removing method, device and state machine | |
| CN103076995B (en) | The data processing method of NandFlash and device | |
| CN202404738U (en) | Sensor signal transmitting system | |
| CN104637540A (en) | Receiving circuit, realization method of receiving circuit and IC (integrated circuit) card | |
| CN105373423A (en) | Apparatus, method and system for overcoming interruption port shortage of processor | |
| CN204925762U (en) | Stage multimode cooperative system | |
| CN103378904A (en) | Method for detecting optical fiber link state | |
| CN102419738B (en) | Solve the method and apparatus of built-in wireless network card and the conflict of external radio network interface card | |
| CN104991856A (en) | Information recording apparatus and information recording method | |
| CN219225353U (en) | PLC control system and master control device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee after: Beijing times Polytron Technologies Inc Address before: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee before: Beijing LOIT Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201223 Address after: Unit 1901, unit 1904, No. 5, Chengyi North Street, phase III, software park, Xiamen City, Fujian Province, 361000 Patentee after: Time Lingyu (Xiamen) Technology Co.,Ltd. Address before: 100096, Beijing, Haidian District, Xisanqi building materials East Road, No. 18, 4 floor, Bai Hui building Patentee before: BEIJING TIMELOIT TECHNOLOGY Co.,Ltd. |