CN204087152U - A kind of touch display unit - Google Patents
A kind of touch display unit Download PDFInfo
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- CN204087152U CN204087152U CN201420450742.XU CN201420450742U CN204087152U CN 204087152 U CN204087152 U CN 204087152U CN 201420450742 U CN201420450742 U CN 201420450742U CN 204087152 U CN204087152 U CN 204087152U
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Abstract
The utility model relates to touch display unit field, be specifically related to a kind of touch display unit, comprise master control borad, described master control borad comprises central processing unit, also comprise the NFC module for short-range communication, AP module for telecommunication, described NFC module is all connected with central processing unit with AP module.The utility model is by a kind of touch display unit of design, touch display unit is provided with NFC module and AP module, be convenient to external unit be connected with the quick of touch display unit, and simplify the connected mode of external unit and touch display unit, improve the operability of communication system; And AP module is connected with switch or router, be convenient to resource quick-downloading, upload.
Description
Technical field
The utility model relates to touch display unit field, is specifically related to a kind of touch display unit.
Background technology
The television teaching system of multi-media classroom is generally made up of various modern teaching equipments such as multimedia computer, liquid crystal projector, digital video frequency display table, central control system, projection screen, stereo sets.Along with the development of technology, projection screen generally adopts touch display unit, touch display unit is connected with multimedia computer usually, user is manipulated touch display unit by multimedia computer, but be not easy to the remote control of user, therefore mobile terminal also adds this field of television teaching system, mobile terminal is generally connected with touch display unit by the radio connection such as bluetooth or WIFI, user controls touch display unit by mobile terminal, carries out interactive operation.
But the attended operation of mobile terminal and touch display unit is loaded down with trivial details, and need additional configuration wireless router, be not easy to the operation of user, reduce user experience quality.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of touch display unit, improves the operability of the communication connection of touch display unit.
The utility model solves the technical scheme that its technical matters adopts: provide a kind of touch display unit, comprise master control borad, described master control borad comprises central processing unit, also comprise the NFC module for short-range communication, AP module for telecommunication, described NFC module is all connected with central processing unit with AP module.
Wherein, preferred version is: described AP module comprises wireless module, wired module and AP processor, and described AP processor is connected with wireless module and wired module respectively, and described AP processor is connected with central processing unit; Described wireless module comprises the AP antenna for receiving or send signal, and described wired module comprises the AP connectivity port for wired connection.
Wherein, preferred version is: described AP connectivity port comprises the WAN port that is connected with for wide area network of lan port connected for LAN (Local Area Network).
Wherein, preferred version is: described NFC module comprises NFC processor and the NFC antenna for receiving or send signal, and described NFC antenna is connected with NFC processor, and described NFC processor is connected with central processing unit.
Wherein, preferred version is: described NFC module comprises NFC processor and the NFC antenna for receiving or send signal, described NFC antenna is connected with NFC processor, and described NFC processor is connected with AP processor, and described NFC processor is by AP processor and central processing unit exchanges data
Wherein, preferred version is: described NFC module also comprises the NFC match circuit of the resonance frequency for regulating NFC antenna, and described NFC match circuit is arranged between main described NFC antenna and described NFC processor.
Wherein, preferred version is: described AP module and NFC module are arranged on master control borad.
Wherein, preferred version is: described touch display unit is for interactive dull and stereotyped.
Wherein, preferred version is: described touch display unit comprises electronic whiteboard, projector and the T/R module for controlling projector, and described T/R module is connected with central processing unit and projector respectively.
Wherein, preferred version is: described T/R module is arranged on master control borad.
Wherein, preferred version: described touch display unit comprises and controls module for unifying touch display unit in control, and described middle control module is connected with central processing unit.
Wherein, preferred version is: described touch display unit also comprises the network equipment for interconnection network, and the described network equipment is connected with WAN port.
Wherein, preferred version is: described touch display unit also comprises the network equipment for interconnection network, the described network equipment is connected with AP module communication, at least comprises a wireless aps between the described network equipment and AP module, described wireless aps respectively with the network equipment and AP model calling.
Wherein, preferred version is: the described network equipment is switch or router.
The beneficial effects of the utility model are, compared with prior art, the utility model is by a kind of touch display unit of design and the communication system based on touch display unit, touch display unit is provided with NFC module and AP module, be convenient to external unit be connected with the quick of touch display unit, and simplify the connected mode of external unit and touch display unit, improve the operability of communication system; And AP module is connected with switch or router, be convenient to resource quick-downloading, upload.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the theory diagram of the utility model touch display unit;
Fig. 2 is the circuit diagram of the utility model central processing unit and peripheral circuit structure thereof;
Fig. 3 is the theory diagram of the utility model touch display unit
Fig. 4 is the circuit diagram of the utility model AP processor and peripheral circuit structure thereof;
Fig. 5 is the circuit diagram of the utility model AP processor and ethernet circuit structure thereof;
Fig. 6 is the circuit diagram of the utility model NFC module;
Fig. 7 is the structural representation of the utility model touch display screen;
Fig. 8 is the communication system schematic diagram of the utility model based on touch display unit.
Embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present utility model is elaborated.
As shown in Figure 1, 2, a kind of preferred embodiment of touch display unit is provided.
A kind of touch display unit, comprise master control borad 10, master control borad 10 comprises central processing unit 11, and also comprise NFC module 20, AP module 30, NFC module 20 is all connected with central processing unit with AP module 30.
Wherein, central processing unit 11 for controlling touch display unit work, NFC module 20 for being connected with external unit short-range communication, AP module 30 for external unit telecommunication, or to be connected with network device communications; Touch display unit carries out Preliminary Communications by NFC module 20 and external unit and is connected, after Preliminary Communications has connected, touch display unit carries out telecommunication by AP module 30 and external unit and is connected, and touch display unit and external unit are all connected to network by AP module 30 simultaneously.
With reference to the circuit diagram that figure 2, Fig. 2 is the utility model central processing unit and peripheral circuit structure thereof.
The main control chip of central processing unit 11 is preferably MSP430F5308_64RGC, there is minimum operating power consumption, in the operating voltage range of 1.8V-3.6V, performance is up to 25MIPS, chip MSP430F5308_64RGC comprises an innovation power management module for optimizing power consumption, include 44 I/O ports, meet I/O port transmission requirement.Wherein, pin 8 is connected with horn circuit, and pin 12,26,33 ~ 36,47 is connected with NFC module with 48, and pin 45,46 is connected with serial data communication circuit.
As shown in Fig. 1,3,4,5, provide a kind of preferred embodiment of AP module.
AP module 30 comprises wireless module 32, wired module 33 and AP processor 31, AP processor 31 is connected with wireless module 32 and wired module 33 respectively, AP processor 31 is connected with central processing unit 11, and further, AP module 30 is connected with central processing unit 11 by wired module 33.
Wherein, wireless module 32 comprises the AP antenna for receiving or send signal, and AP antenna is generally 1 ~ 3, and wherein the quantity of AP antenna depends on the adopted communication technology and applied environment, and AP antenna preferably sends WIFI signal.Wherein, wired module 33 comprises the AP connectivity port for wired connection, AP connectivity port comprises the WAN port that is connected with for wide area network of lan port connected for LAN (Local Area Network), if AP processor 31 is connected with central processing unit 11, central processing unit 11 can be connected to AP processor 31 by lan port; AP connectivity port also comprises USB port and configured port, for expanding the external equipment be connected with AP module 30.
Particularly, when wireless module 32 receives signal, be sent to AP processor 31, AP processor 31 and first judge that the type of this signal is Frame or management frames.If Frame, then converted to the frame format that can be used for wired transmission by AP processor 31, after be sent to wired module 33; If management frames, then the information provided according to signal by AP processor 31 carries out the operation such as certification, connection, and provides feedback information (success or unsuccessfully etc.) to the external unit transmitting a signal to wireless module 32.And the signal that wired module 33 receives directly is processed by AP processor 31, determined to abandon or be sent to wireless module 32 by AP processor 31.Certainly, before signal is sent to AP processor 31, need to be encrypted operation.
For above-mentioned wireless module 32 and wired module 33, with reference to figure 8, wireless module 32 is generally connected with mobile terminal 41, and as mobile phone, panel computer or notebook computer etc., wired module 33 is generally connected with terminal device, as touch display unit or PC end 42 etc.
Wherein, AP module 30 is connected with hub module 10 by data line RJ45.
Further, three kinds are provided about the preferred embodiment of the set-up mode of AP module.
Embodiment one, AP module 30 be integrally provided on master control borad 10, AP module 30 and touch display unit are integrated, and are convenient to protection AP module 30, and improve touch display unit aesthetic property.
The part of embodiment two, AP module 30 is arranged on master control borad 10, and AP antenna is arranged on the outside of touch display unit, and AP module 30 and touch display unit are integrated, and is convenient to protection AP module 30, and improves the communication performance of AP antenna.
The outside being integrally provided in touch display unit of embodiment three, AP module 30, AP module 30 and touch display unit are detachable structure, are convenient to maintenance and the replacing of AP module 30, and improve the communication performance of AP antenna.
With reference to the circuit diagram that figure 4,5, Fig. 4 is the utility model AP processor and peripheral circuit structure thereof; Fig. 5 is the circuit diagram of the utility model AP processor and ethernet circuit structure thereof.
The main control chip of AP processor 30 is preferably MT7620A, user can be allowed easily to set up the synchronous double-frequency wireless network environment of total transmission speed up to 733Mbps, make the audio-visual transmission of information, voice and high image quality respectively walk each frequency range and not interfere with each other, bring best user experience.Wherein, pin A8, B7, B8, C7, C8, D8 are used for being connected with serial peripheral equipment interface SPI, pin C8-SPI_MISO is used for main equipment data and exports, from device data input, pin A8-SPI_MOSI main equipment data input, and export from device data, pin D8-SPI_CLK clock signal, produced by main equipment, pin C7-SPI_COS, from devices enable signal, is controlled by main equipment; Pin P13, R14 are connected with universal asynchronous receiving-transmitting transmitter UART, and pin P13-UART_TX1 is for sending data, and pin R14-UART_RX1 is for receiving data; Pin D7-GPIO0 is connected with bus extender GPIO, and GPIO port is configured to input or output by software respectively; Pin N16, N17, M16, M17 are one group of data transmission interface, N16, N17 are for receiving data port, M16, M17 are for sending data port, pin R16, R17, T16, T17 are one group of data transmission interface, R16, R17 are for receiving data port, and T16, T17 are for sending data, pin U15, T15, U16, U17 are one group of data transmission interface U15, T15 is reception data port, and U16, U17 are for sending data port.
As shown in Fig. 1,3,6,7, provide a kind of preferred embodiment of NFC module.
NFC module 20 comprises NFC processor 21 and the NFC antenna 23 for receiving or send signal, and NFC antenna 23 is connected with NFC processor 21, and NFC processor 21 is connected with central processing unit 11.NFC module 20 also comprises NFC match circuit 22, the NFC match circuit 22 of the resonance frequency for regulating NFC antenna 23 between NFC antenna 23 and NFC processor 21, and NFC antenna 23, NFC match circuit 22 and NFC processor 21 are linked in sequence successively.
Further, NFC processor 21 is connected with AP processor 31, and AP processor 31 is connected with central processing unit 11, and NFC processor 21 is by AP processor 31 and central processing unit 11 exchanges data.
With reference to figure 7, NFC antenna 23 is arranged on the housing 2 of touch display screen 1, and external unit (NFC end) is carried out Preliminary Communications connection by user in NFC antenna 23, and touch display unit and external unit carry out exchanges data simultaneously.
Wherein, NFC module 20 is connected with hub module 10 by data line CP2102.
With reference to the circuit diagram that figure 6, Fig. 6 is the utility model NFC module.
The preferred chip of NFC processor 21 is the working method of TRF7970A, NFC processor 21: signal NFC antenna 23 received, by the impedance matching in NFC match circuit 22, is input to the pin 8-RX_IN1 of chip TRF7970A, pin 9-RX_IN2; The pin 5-TX_OUT of chip TRF7970A, by sending signal by the impedance matching in NFC match circuit 22, is transferred to NFC antenna 23 and is sent to external unit.
NFC match circuit 22 comprises electric capacity C34, resistance R24, electric capacity C27 and electric capacity C31, carries out impedance configuration; When operating in full power output and arranging, the ratings of the output impedance of TRF7970A is 4+j0 (4 Ω is real-valued).Due to commercially available testing apparatus (such as, spectrum analyzer, power meter, and network analyzer) be 50 Ω systems, this impedance must be to match with an echo circuit and the match circuit of 4 Ω to 50 Ω is advised by Texas Instrument (TI), and the utility model is 50 Ω preferably.
The preferred embodiment of two kinds of touch display units is provided in the utility model further.
Embodiment one: touch display unit is interactive dull and stereotyped, i.e. liquid crystal display touch screen.AP module 30 and NFC module 20 are all arranged on master control borad 10, and AP module 30, NFC module 20 and central processing unit 11 are integrated on master control borad 10, are convenient to the installation of AP module 30, NFC module 20 and central processing unit 11.
Embodiment two: touch display unit comprises electronic whiteboard, projector and the T/R module for controlling projector, and T/R module is connected with central processing unit and projector respectively.AP module 30, NFC module 20 and T/R module are all arranged on master control borad 10, and AP module 30, NFC module 20, T/R module and central processing unit 11 are integrated on master control borad 10, are convenient to the installation of AP module 30, NFC module 20, T/R module and central processing unit 11.
A kind of preferred embodiment of middle control module is provided in the utility model further.
Touch display unit comprises one and controls module for unifying touch display unit in control, and middle control module is connected with central processing unit 11, and middle control module is mainly by central processing unit 11 control AP module 30, NFC module 20 and T/R module.
Further, middle control module comprises some buttons, and some buttons are arranged on touch display screen, on the frame of preferred touch display screen.Button mainly comprises NFC module on & off switch, AP module switch key, the on & off switch of T/R module and signal behavior button, described signal behavior button for selecting the signal message that touch display screen shows, as shown information, the television signal information or network signal information etc. of external PC.
As shown in Figure 8, a kind of preferred embodiment of the communication system based on touch display unit is provided.
A kind of communication system based on touch display unit, comprise at least one touch display unit, at least one network equipment 50 for interconnection network and mobile terminal 41, touch display unit comprises the NFC module 20 for short-range communication, the AP module 30 for telecommunication, mobile terminal 41 comprises mobile NFC module, and the network equipment 50 is connected with AP module 30 pieces; The mobile NFC module of mobile terminal 41 is connected with NFC module 20 short-range communication of touch display unit, mobile terminal 41 is connected with touch display unit telecommunication by AP module 30, and mobile terminal 41 and touch display unit are connected to network by the network equipment 50.
Wherein, mobile terminal 41 is needed first to set up the mobile NFC module of mobile terminal 41 and is connected with the short-range communication of the NFC module 20 of touch display unit before being connected with touch display unit telecommunication by AP module 30.Specifically: touch display unit stores the configuration information of AP module 30, the configuration information of AP module 30 is stored in the storer of the i.e. NFC module 20 of touch display unit, after the mobile NFC module of mobile terminal 41 to be connected with NFC module 20 short-range communication of touch display unit and to set up preliminary connecting link, configuration information is sent to mobile terminal 41 by preliminary connecting link by touch display unit, mobile terminal 41 communicates to connect according to configuration information and AP module 30, and namely mobile terminal 41 is connected with touch display unit telecommunication by AP module 30.
Configuration information comprises account and the password of needs when mobile terminal 41 communicates to connect with AP module 30, and mobile terminal 41 is connected with the wireless module 32 of AP module 30.Meanwhile, user carries out interactive operation by mobile terminal 41 and touch display unit.
Further, touch display unit comprises the network equipment for interconnection network, and the network equipment is connected with AP module communication, at least comprises a wireless aps between the network equipment and AP module, wireless aps respectively with the network equipment and AP model calling.User expands communication distance by some wireless apss, optimize communicate system.
Further, the network equipment 50 is switch or router.
Further, a kind of communication system being exclusively used in school is provided.
Particularly, each classroom comprises a touch display unit, mobile terminal 41, each touch display unit is connected with PC end 42, each touch display unit comprises an AP module 30, several touch display units form a LAN (Local Area Network) region, each LAN (Local Area Network) region is provided with wireless aps, is connected in the network equipment 50 eventually through some wireless apss, or some AP modules 30 are directly connected to the network equipment 50; Touch display unit, mobile terminal 41 and PC end 42 is all connected in network by the network equipment 50, is namely connected in wide area network.Each network equipment 50 can also with LAN (Local Area Network) in the school, and touch display unit, mobile terminal 41 and PC end 42 are all connected all in the school in LAN (Local Area Network) by the network equipment 50.Meanwhile, mobile terminal 41 is communicated to connect by AP module 30 and touch display unit.
As described above, be only the utility model most preferred embodiment, and not for limiting scope of the present utility model, all equivalences done according to the utility model claim change or modify, and are all the utility model and contain.
Claims (14)
1. a touch display unit, comprise master control borad, described master control borad comprises central processing unit, it is characterized in that: also comprise the NFC module for short-range communication, AP module for telecommunication, described NFC module is all connected with central processing unit with AP module.
2. touch display unit according to claim 1, it is characterized in that: described AP module comprises wireless module, wired module and AP processor, described AP processor is connected with wireless module and wired module respectively, and described AP processor is connected with central processing unit; Described wireless module comprises the AP antenna for receiving or send signal, and described wired module comprises the AP connectivity port for wired connection.
3. touch display unit according to claim 2, is characterized in that: described AP connectivity port comprises the WAN port that is connected with for wide area network of lan port connected for LAN (Local Area Network).
4. touch display unit according to claim 2, is characterized in that: described NFC module comprises NFC processor and the NFC antenna for receiving or send signal, and described NFC antenna is connected with NFC processor, and described NFC processor is connected with central processing unit.
5. touch display unit according to claim 2, it is characterized in that: described NFC module comprises NFC processor and the NFC antenna for receiving or send signal, described NFC antenna is connected with NFC processor, described NFC processor is connected with AP processor, and described NFC processor is by AP processor and central processing unit exchanges data.
6. the touch display unit according to claim 4 or 5, it is characterized in that: described NFC module also comprises the NFC match circuit of the resonance frequency for regulating NFC antenna, described NFC match circuit is arranged between main described NFC antenna and described NFC processor.
7. the touch display unit according to claim 4 or 5, is characterized in that: described AP module and NFC module are arranged on master control borad.
8. touch display unit according to claim 1, is characterized in that: described touch display unit is for interactive dull and stereotyped.
9. touch display unit according to claim 1, is characterized in that: described touch display unit comprises electronic whiteboard, projector and the T/R module for controlling projector, and described T/R module is connected with central processing unit and projector respectively.
10. touch display unit according to claim 9, is characterized in that: described T/R module is arranged on master control borad.
11. touch display units according to claim 8 or claim 9, is characterized in that: described touch display unit comprises one and control module in unifying touch display unit to control, and described middle control module is connected with central processing unit.
12. touch display units according to claim 3, is characterized in that: described touch display unit also comprises the network equipment for interconnection network, and the described network equipment is connected with WAN port.
13. touch display units according to claim 3, it is characterized in that: described touch display unit also comprises the network equipment for interconnection network, the described network equipment is connected with AP module communication, at least comprise a wireless aps between the described network equipment and AP module, described wireless aps respectively with the network equipment and AP model calling.
14. touch display units according to claim 12 or 13, is characterized in that: the described network equipment is switch or router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450742.XU CN204087152U (en) | 2014-08-11 | 2014-08-11 | A kind of touch display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450742.XU CN204087152U (en) | 2014-08-11 | 2014-08-11 | A kind of touch display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087152U true CN204087152U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450742.XU Active CN204087152U (en) | 2014-08-11 | 2014-08-11 | A kind of touch display unit |
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|---|---|
| CN (1) | CN204087152U (en) |
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2014
- 2014-08-11 CN CN201420450742.XU patent/CN204087152U/en active Active
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Address after: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee after: Hitevision Polytron Technologies Inc Address before: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee before: HONGHE TECHNOLOGY CO., LTD. |