CN102331844A - Key panel device applying noncontact sensing technology and key value identifying method - Google Patents
Key panel device applying noncontact sensing technology and key value identifying method Download PDFInfo
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- CN102331844A CN102331844A CN201110270067A CN201110270067A CN102331844A CN 102331844 A CN102331844 A CN 102331844A CN 201110270067 A CN201110270067 A CN 201110270067A CN 201110270067 A CN201110270067 A CN 201110270067A CN 102331844 A CN102331844 A CN 102331844A
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Abstract
The invention discloses a key panel device applying a noncontact sensing technology and a key value identifying method. The key panel device comprises a key panel main body device and a key value identifying device of a main control unit, wherein the key panel main body device comprises a key array, a microprocessor and a key value transmitting unit; the microprocessor is used for circularly scanning the key array, judging the key value of a pressed key, and transmitting the key value to the key value transmitting unit; the key value transmitting unit is used for supplying power to the microprocessor; the key value identifying device of the main control unit comprises a control unit and a key value receiving unit; and the control unit is used for controlling the key value receiving unit to continuously transmit electromagnetic waves to the key value transmitting unit of the key panel main body device and output a power supply to the microprocessor. According to the device and the method, the key panel can be completely separated from the main control circuit and can be arranged optionally, and noncontact key value transmission and data exchange are realized.
Description
Technical field
The present invention relates to a kind of key panel device and key assignments recognition methods of adopting the non-contact inductive technology.
Background technology
Present key panel adopts the mode of line to realize with the data transmission of control section basically, and this has just limited more innovative space in design, on producing, cause installation more loaded down with trivial details.Other adopts wireless mode to transmit the control panel of data, needs powered battery, than being easier to receive external interference, also forms electromagnetic pollution easily.Said defective value must improve.
Summary of the invention
In order to overcome the deficiency of prior art; The present invention provides a kind of key panel device and key assignments recognition methods of adopting the non-contact inductive technology; The present invention can realize separating fully of operation push-button panel and governor circuit; Key panel can arbitrarily be put, and does not receive circuit to connect the constraint of laying, and has realized contactless transmission key assignments and exchanges data.
Technical scheme of the present invention is described below: a kind of key panel device that adopts the non-contact inductive technology; It is characterized in that; It comprises the key assignments recognition device of key panel agent set and main control unit, and described key panel agent set comprises push-button array, microprocessor and key assignments delivery unit, scan round push-button array during described microprocessor work; And judge the key assignments when being pressed button, send the key assignments delivery unit then to; Described key assignments delivery unit carries out the power supply power supply for described microprocessor; The key assignments recognition device of described main control unit comprises control module and key assignments receiving element, and described control module is controlled described key assignments receiving element and sent electromagnetic wave continuously to the key assignments delivery unit of key panel agent set and through power supply output confession microprocessor work.
It is 13.56Mhz or 125Khz that described control module is controlled the wave frequency that described key assignments receiving element sends to the key assignments delivery unit continuously.
But described key assignments receiving element inquiry key assignments carries out with the electromagnetic wave timesharing of sending 13.56Mhz, 125khz, also can follow a certain international standard.
A kind of key assignments recognition methods of adopting the non-contact inductive technology; It is characterized in that; It comprises following technical step: at first the control module of the key assignments recognition device of main control unit control key assignments receiving element sends electromagnetic wave continuously, and the key assignments delivery unit of key panel agent set receives electromagnetic wave and changes into power supply output and supplies microprocessor work; Then, microprocessor work, the scan round push-button array, when button is pressed, the corresponding key assignments of microprocessor judges also sends the key assignments delivery unit to; At last, whether key assignments receiving element inquiry key assignments delivery unit has key value to need to receive, if having, the key assignments receiving element is taken the key value that the key assignments delivery unit is stored away according to specific data transfer protocol mode, if do not have, then continues cyclic query.
Each control panel all has unique sequence number, can guarantee the uniqueness of each product, and realizes the corresponding one by one of control panel and main control board, can be as the article unique identification sign indicating number of realization Internet of Things.
According to the present invention of said structure, its beneficial effect is,
1, realized separating fully of operation push-button panel and governor circuit.Key panel can arbitrarily be put.The design that makes product more flexibly with have more intention.
2, each induction type key panel all has unique identifier number.The realization key panel is corresponding one by one with main control unit.Prevent to replace keyboard.
3, the distance of reaction of induction type key panel and button value recognition unit is in 10cm.Power supply and signal transmit closely.Effectively reduce electromagnetic pollution.
4, contactless transmission key assignments and exchanges data have been realized.
5, it is battery operated to have realized that key panel does not have, and does not also need external power supply work.
6, can carry out alternately with the data of main control unit through key panel.Design cycle and production run and testing cost have been simplified greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is applied to the principle schematic of wireless data communication for the present invention.
Fig. 3 is a key assignments delivery unit schematic diagram of the present invention.
Fig. 4 is a key assignments receiving element schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
As shown in Figure 1; A kind of key panel device that adopts the non-contact inductive technology; It is characterized in that it comprises the key assignments recognition device of key panel agent set and main control unit, described key panel agent set comprises push-button array, microprocessor and key assignments delivery unit; Scan round push-button array during described microprocessor work; And judge the key assignments when being pressed button, and sending the key assignments delivery unit then to, described key assignments delivery unit carries out the power supply power supply for described microprocessor; The key assignments recognition device of described main control unit comprises control module and key assignments receiving element, and described control module is controlled described key assignments receiving element and sent electromagnetic wave continuously to the key assignments delivery unit of key panel agent set and through power supply output confession microprocessor work.
It is 13.56Mhz or 125Khz that described control module is controlled the wave frequency that described key assignments receiving element sends to the key assignments delivery unit continuously.
But described key assignments receiving element inquiry key assignments carries out with the electromagnetic wave timesharing of sending 13.56Mhz, 125khz, also can follow a certain standard.
As shown in Figure 1; A kind of key assignments recognition methods of adopting the non-contact inductive technology; It is characterized in that; It comprises following technical step: at first the control module of the key assignments recognition device of main control unit control key assignments receiving element sends electromagnetic wave continuously, and the key assignments delivery unit of key panel agent set receives electromagnetic wave and changes into power supply output and supplies microprocessor work; Then, microprocessor work, the scan round push-button array, when button is pressed, the corresponding key assignments of microprocessor judges also sends the key assignments delivery unit to; At last, whether key assignments receiving element inquiry key assignments delivery unit has key value to need to receive, if having, the key assignments receiving element is taken the key value that the key assignments delivery unit is stored away according to specific data transfer protocol mode, if do not have, then continues cyclic query.
As shown in Figure 2; In the key assignments recognition device of main control unit; Control module stores the data message that will transmit through the key assignments delivery unit that the key assignments receiving element sends the key panel agent set to, when data communication terminal needs reading of data, near the key assignments delivery unit; Send the order of specific protocol and give the key assignments delivery unit, the key assignments delivery unit transmits corresponding data and gives data communication terminal; Whether the data that the control module of while main control unit is constantly inquired about the key assignments delivery unit through the key assignments receiving element are taken away, if do not have, then continue inquiry, if the data of key assignments delivery unit are taken away, then transmit new data.So just can realize the transmission of mass data.
As shown in Figure 3, the key assignments delivery unit has unique sequence number, can be used as the difference identifier and uses.The key assignments delivery unit is when receiving the radiofrequency signal of 13.56MHz/125KHz, and the power supply conversion module changes into power supply signal supply microcontroller to electromagnetic signal the work energy is provided.ALU converts the electromagnetic signal of specific protocol discernible digital signal to and is stored in the EEPROM storage unit; Microcontroller also can pass through interface unit (IIC interface or SPI interface) visit EEPROM storage unit.So just realized realizing the exchange of data through interface unit (IIC interface or SPI interface) and the same storage unit of non-contact radio-frequency interface accessing.
As shown in Figure 4, the present invention reads the data of storage unit in the key assignments delivery unit through the radiofrequency signal unit according to certain protocol.
Claims (5)
1. one kind is adopted the technological key panel device of non-contact inductive; It is characterized in that it comprises the key assignments recognition device of key panel agent set and main control unit, described key panel agent set comprises push-button array, microprocessor and key assignments delivery unit; Scan round push-button array during described microprocessor work; And judge the key assignments when being pressed button, and sending the key assignments delivery unit then to, described key assignments delivery unit carries out the power supply power supply for described microprocessor; The key assignments recognition device of described main control unit comprises control module and key assignments receiving element, and described control module is controlled described key assignments receiving element and sent electromagnetic wave continuously to the key assignments delivery unit of key panel agent set and through power supply output confession microprocessor work.
2. key assignments recognition methods of adopting the non-contact inductive technology; It is characterized in that; It comprises following technical step: at first the control module of the key assignments recognition device of main control unit control key assignments receiving element sends electromagnetic wave continuously, and the key assignments delivery unit of key panel agent set receives electromagnetic wave and changes into power supply output and supplies microprocessor work; Then, microprocessor work, the scan round push-button array, when button is pressed, the corresponding key assignments of microprocessor judges also sends the key assignments delivery unit to; At last, whether key assignments receiving element inquiry key assignments delivery unit has key value to need to receive, if having, the key assignments receiving element is taken the key value that the key assignments delivery unit is stored away according to specific data transfer protocol mode, if do not have, then continues cyclic query.
3. the key panel device of employing non-contact inductive according to claim 1 technology is characterized in that, it is 13.56Mhz or 125Khz that described control module is controlled the wave frequency that described key assignments receiving element sends to the key assignments delivery unit continuously.
4. the key panel device of employing non-contact inductive technology according to claim 1 is characterized in that each control panel all has unique sequence number, can be as the article unique identification sign indicating number of realizing Internet of Things.
5. the key panel device of employing non-contact inductive technology according to claim 1; It is characterized in that; But described key assignments receiving element inquiry key assignments carries out with the electromagnetic wave timesharing of sending 13.56Mhz, 125khz, also can follow international standard or country's calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110270067.3A CN102331844B (en) | 2011-09-14 | 2011-09-14 | Adopt the key panel device of non-contact inductive technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110270067.3A CN102331844B (en) | 2011-09-14 | 2011-09-14 | Adopt the key panel device of non-contact inductive technology |
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| CN102331844A true CN102331844A (en) | 2012-01-25 |
| CN102331844B CN102331844B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110270067.3A Active CN102331844B (en) | 2011-09-14 | 2011-09-14 | Adopt the key panel device of non-contact inductive technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680760A (en) * | 2014-09-22 | 2015-06-03 | 海信集团有限公司 | Remote controller |
| CN107942838A (en) * | 2017-12-28 | 2018-04-20 | 张泽浩 | A kind of application method of floated control panel and floated control panel |
| CN110941213A (en) * | 2019-11-18 | 2020-03-31 | 无锡物联网创新中心有限公司 | Non-contact key system |
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| CN1178926A (en) * | 1996-04-30 | 1998-04-15 | 阿尔卑斯电气株式会社 | Signal treating system |
| CN1578350A (en) * | 2003-07-10 | 2005-02-09 | 乐金电子(中国)研究开发中心有限公司 | Apparatus and method for inputting characters in mobile terminal utilizing external keyboard |
| CN1598749A (en) * | 2004-08-24 | 2005-03-23 | 黄春克 | Hand-held mouse |
| CN101615075A (en) * | 2008-06-25 | 2009-12-30 | 汉王科技股份有限公司 | A kind of wireless passive key device |
| CN101776962A (en) * | 2006-05-12 | 2010-07-14 | 深圳市巨龙科教高技术股份有限公司 | Electronic pen used for interactive electronic whiteboard |
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2011
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1178926A (en) * | 1996-04-30 | 1998-04-15 | 阿尔卑斯电气株式会社 | Signal treating system |
| CN1578350A (en) * | 2003-07-10 | 2005-02-09 | 乐金电子(中国)研究开发中心有限公司 | Apparatus and method for inputting characters in mobile terminal utilizing external keyboard |
| CN1598749A (en) * | 2004-08-24 | 2005-03-23 | 黄春克 | Hand-held mouse |
| CN101776962A (en) * | 2006-05-12 | 2010-07-14 | 深圳市巨龙科教高技术股份有限公司 | Electronic pen used for interactive electronic whiteboard |
| CN101615075A (en) * | 2008-06-25 | 2009-12-30 | 汉王科技股份有限公司 | A kind of wireless passive key device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680760A (en) * | 2014-09-22 | 2015-06-03 | 海信集团有限公司 | Remote controller |
| CN107942838A (en) * | 2017-12-28 | 2018-04-20 | 张泽浩 | A kind of application method of floated control panel and floated control panel |
| CN110941213A (en) * | 2019-11-18 | 2020-03-31 | 无锡物联网创新中心有限公司 | Non-contact key system |
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| CN102331844B (en) | 2016-07-13 |
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Effective date of registration: 20161228 Address after: 518000 Guangdong, Nanshan District, Guangxi temple road to the north of Nanshan Road, east of the glorious new world apartment 20A2 Patentee after: Shenzhen Reed science and Technology Development Co., Ltd. Address before: Nanshan District science and Technology Park, Shenzhen Road, Guangdong province 518000 city 5 No. 25 building 4 floor Patentee before: Xiao Dan |
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