CN215643471U - Electronic table board based on Internet of things - Google Patents
Electronic table board based on Internet of things Download PDFInfo
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- CN215643471U CN215643471U CN202122309677.1U CN202122309677U CN215643471U CN 215643471 U CN215643471 U CN 215643471U CN 202122309677 U CN202122309677 U CN 202122309677U CN 215643471 U CN215643471 U CN 215643471U
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Abstract
The utility model provides an electronic table card based on the Internet of things, which comprises: the first display device is electrically connected with the controller; the second display device is electrically connected with the controller; the controller is in communication connection with the conference control host through a first transmission module and is in communication connection with the peripheral terminal through a second transmission module; the power supply unit supplies power to the first display device, the second display device, the transmission module, the memory, the information writing unit and the personnel detection unit; the output end of the personnel detection unit is connected with the input end of the controller; the output end of the information writing unit is connected with the input end of the controller, and the memory is in communication connection with the controller; can show meeting personnel's information, can also show the meeting key element to make meeting personnel can both clearly learn the meeting content in each position in meeting place, but also can monitor meeting personnel at the meeting in-process, thereby prevent that meeting personnel from leaving the place privately in the meeting in-process.
Description
Technical Field
The utility model relates to an electronic table board, in particular to an electronic table board based on the Internet of things.
Background
The electronic table card is widely applied to various meeting occasions and used for explaining the information of the participants, and in the prior art, the electronic table card has a single function, for example, the electronic table card only can display and explain the information of the participants, but cannot detect the participants in the process of meeting, for example, check in, check out midway, and the like.
Therefore, in order to solve the above technical problems, it is necessary to provide a new technical means.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide an electronic table board based on the internet of things, which can display information of participants and display meeting elements, so that the participants can clearly know meeting contents at various positions in a meeting place, and can monitor the participants in the meeting process, thereby preventing the participants from leaving the meeting place privately in the meeting process.
The utility model provides an electronic table board based on the Internet of things, which comprises first display equipment, second display equipment, a controller, a transmission module, a memory, an information writing unit, a power supply unit and a personnel detection unit, wherein the first display equipment is connected with the second display equipment;
the first display equipment is used for displaying the information of the participants and is electrically connected with the controller;
the second display equipment is used for displaying the conference elements, the display interface of the second display equipment faces to the participants, and the second display equipment is electrically connected with the controller;
the transmission module comprises a first transmission module and a second transmission module, the controller is in communication connection with the conference control host through the first transmission module, and the controller is in communication connection with the peripheral terminal through the second transmission module;
the power supply unit is used for supplying power to the first display device, the second display device, the transmission module, the memory, the information writing unit and the personnel detection unit;
the output end of the personnel detection unit is connected with the input end of the controller and used for acquiring the verification information of the participators and outputting the verification information to the controller;
the output end of the information writing unit is connected with the input end of the controller and is used for writing the information of the participants into the controller;
and the memory is in communication connection with the controller and is used for storing the operation data of the controller and the information data of the participants.
Further, the second display device is a touch display device.
Further, personnel detection module is fingerprint sampler or high definition digtal camera.
Further, the first transmission module and the second transmission module are both Bluetooth modules.
Further, the information writing unit is an NFC chip or a data transmission interface.
Further, the power supply unit comprises a storage battery, a charge and discharge management chip U1, a power supply control circuit and a voltage stabilizing circuit;
the positive electrode of the storage battery BAT is connected to the output end of the charge and discharge management chip U1, and the input end of the charge and discharge management chip U1 is connected to the charging interface; and the information output end of the charging and discharging management chip U1 is connected with the input end of the controller.
The positive pole of the storage battery BAT is connected with the input end of the power supply control circuit, the output end of the power supply control circuit outputs 5V direct current to supply power to the personnel information detection module, the first display device, the second display device and the transmission module, the input end of the voltage stabilizing module is connected with the output end of the power supply control circuit, and the output end of the voltage stabilizing circuit outputs 3.3V direct current to supply power to the controller, the memory and the information writing unit.
Further, the power supply control circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a PMOS tube Q1, a PMOS tube Q4, a triode Q2, a triode Q3, a diode D1 and a triode Q5;
one end of the resistor R3 is used as a first input end of the power supply control circuit and connected to the anode of the battery BAT, the other end of the resistor R3 is connected to the source electrode of the PMOS tube Q1, the drain electrode of the PMOS tube Q1 is connected to the source electrode of the PMOS tube Q4, and the drain electrode of the PMOS tube Q4 is used as the output end of the power supply control circuit;
the source electrode of the PMOS tube Q1 is connected to the grid electrode of the PMOS tube Q1 through a resistor R2, the grid electrode of the PMOS tube Q1 is connected to the collector electrode of a triode Q3, the emitter electrode of a triode Q3 is grounded, the base electrode of a triode Q3 is connected to the collector electrode of a triode Q2, and the emitter electrode of the triode Q2 is connected to the source electrode of the PMOS tube Q1 through a resistor R1;
the source of the PMOS tube Q4 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with one end of the resistor R4, the other end of the resistor R4 is used as the second input end of the power supply control circuit and is connected with the charging interface, and the common connection point between the resistor R4 and the anode of the diode D1 is connected with the base electrode of the triode Q2;
the source of the PMOS tube Q4 is connected in series with the self-reset button switch K1 through a resistor R5 and then grounded, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the grid of the PMOS tube Q4 through a resistor R6, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the collector of the triode Q5, the emitter of the triode Q5 is grounded, the base of the triode 5 is connected with one end of the resistor R7, the other end of the resistor R7 is connected to the ground through a resistor R8, and the common connection point between the resistor R7 and the resistor R8 is used as the control end of the power supply control circuit and is connected to the controller.
The utility model has the advantages of: according to the utility model, the information of the participants can be displayed, and the conference elements can be displayed, so that the participants can clearly know the conference content at each position of the conference place, and the participants can be monitored in the conference process, thereby preventing the participants from leaving the conference place privately.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a power supply control circuit of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the drawings of the specification:
the utility model provides an electronic table board based on the Internet of things, which comprises first display equipment, second display equipment, a controller, a transmission module, a memory, an information writing unit, a power supply unit and a personnel detection unit, wherein the first display equipment is connected with the second display equipment; the controller adopts the existing singlechip, and the details are not repeated herein;
the first display equipment is used for displaying the information of the participants and is electrically connected with the controller;
the second display equipment is used for displaying the conference elements, the display interface of the second display equipment faces to the participants, and the second display equipment is electrically connected with the controller;
the transmission module comprises a first transmission module and a second transmission module, the controller is in communication connection with the conference control host through the first transmission module, and the controller is in communication connection with the peripheral terminal through the second transmission module;
the power supply unit is used for supplying power to the first display device, the second display device, the transmission module, the memory, the information writing unit and the personnel detection unit;
the output end of the personnel detection unit is connected with the input end of the controller and used for acquiring the verification information of the participators and outputting the verification information to the controller;
the output end of the information writing unit is connected with the input end of the controller and is used for writing the information of the participants into the controller;
the memory is in communication connection with the controller and is used for storing the operation data of the controller and the information data of the participants; through above-mentioned structure, can show meeting personnel's information, can also show the meeting key element to make meeting personnel can both clearly learn the meeting content in each position in meeting place, but also can monitor meeting personnel at the meeting in-process, thereby prevent that meeting personnel from leaving the place privately in the meeting in-process. Here, what is called a meeting element is meeting content such as a meeting document or the like.
In this embodiment, the second display device is a touch display device, such as an LED touch screen, such as touch electronic paper, and the first display device adopts an existing LED screen or electronic paper, and with the above structure, not only can the meeting elements be displayed, but also the response can be realized during the meeting process, and the participant inputs the response content through the touch display device; certainly, in order to enhance adaptability, a sound pickup device can be further arranged and used for the participants to answer through voice, the sound pickup device is connected with the controller, and the controller sends voice information to the control host of the meeting place.
In this embodiment, personnel detection module is fingerprint sampler or high definition digtal camera, through this structure, when participating in the meeting personnel sign, acquire participating in personnel fingerprint information or acquire facial information through high definition digtal camera through fingerprint sampler, and transmit to the controller, compare information and settlement information through the controller, if match, then participating in personnel accomplish and sign in, otherwise, participating in personnel do not arrive at the scene, thereby the controller is with these information transmission to conference control host computer, and, at the meeting in-process, high definition digtal camera regularly acquires participating in personnel's facial information or participating in personnel regularly through fingerprint sampler input fingerprint information, thereby judge whether participating in personnel leave the scene privately.
In this embodiment, the first transmission module and the second transmission module are both bluetooth modules, and with this structure, the first transmission module transmits the information acquired by the controller to the conference control host, and the second transmission module transmits the content of the relevant conference on the intelligent terminal (tablet personal computer, smart phone) of the participant to the controller, and then transmits the content to the conference control host, so that the conference control host is convenient to use.
In this embodiment, the information writing unit is NFC chip or data transmission interface, through this structure, conveniently writes into participant's information to the controller of electron table tablet, is convenient for subsequent sign-in, meeting process personnel control contrast, and the information writing is realized to the preferred NFC chip that adopts.
In this embodiment, the power supply unit includes a storage battery, a charge and discharge management chip U1, a power supply control circuit, and a voltage stabilizing circuit;
the positive electrode of the storage battery BAT is connected to the output end of the charge and discharge management chip U1, and the input end of the charge and discharge management chip U1 is connected to the charging interface; and the information output end of the charging and discharging management chip U1 is connected with the input end of the controller.
The positive pole of the storage battery BAT is connected with the input end of the power supply control circuit, the output end of the power supply control circuit outputs 5V direct current to supply power to the personnel information detection module, the first display device, the second display device and the transmission module, the input end of the voltage stabilizing module is connected with the output end of the power supply control circuit, and the output end of the voltage stabilizing circuit outputs 3.3V direct current to supply power to the controller, the memory and the information writing unit; the working stability of the electronic table board is also one of the problems in the prior art, one of the reasons for the stability is the problem of power supply, and by the structure, the working stability of the electronic table board can be effectively ensured, and the structure is simpler and more reliable and lower in cost compared with the prior art, wherein the charging and discharging management chip adopts the existing chip, such as a CN3765 chip and a peripheral circuit thereof, so as to realize the charging and discharging management of the storage battery, and 3 pins and 4 pins of the chip are connected with the input end of the controller and are used for acquiring the information related to the charging, discharging and residual electric quantity of the storage battery; the voltage stabilizing circuit adopts an ASM1117-3.3V chip, and the storage battery adopts a 5V lithium battery.
In this embodiment, the power supply control circuit includes a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a PMOS transistor Q1, a PMOS transistor Q4, a transistor Q2, a transistor Q3, a diode D1, and a transistor Q5; the transistor Q2 is a P-type transistor.
One end of the resistor R3 is used as a first input end of the power supply control circuit and connected to the anode of the battery BAT, the other end of the resistor R3 is connected to the source electrode of the PMOS tube Q1, the drain electrode of the PMOS tube Q1 is connected to the source electrode of the PMOS tube Q4, and the drain electrode of the PMOS tube Q4 is used as the output end of the power supply control circuit;
the source electrode of the PMOS tube Q1 is connected to the grid electrode of the PMOS tube Q1 through a resistor R2, the grid electrode of the PMOS tube Q1 is connected to the collector electrode of a triode Q3, the emitter electrode of a triode Q3 is grounded, the base electrode of a triode Q3 is connected to the collector electrode of a triode Q2, and the emitter electrode of the triode Q2 is connected to the source electrode of the PMOS tube Q1 through a resistor R1;
the source of the PMOS tube Q4 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with one end of the resistor R4, the other end of the resistor R4 is used as the second input end of the power supply control circuit and is connected with the charging interface, and the common connection point between the resistor R4 and the anode of the diode D1 is connected with the base electrode of the triode Q2;
the source of the PMOS transistor Q4 is connected in series with the self-reset button switch K1 through the resistor R5 and then grounded, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the gate of the PMOS transistor Q4 through the resistor R6, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the collector of the triode Q5, the emitter of the triode Q5 is grounded, the base of the triode 5 is connected with one end of the resistor R7, the other end of the resistor R7 is grounded through the resistor R8, the common connection point between the resistor R7 and the resistor R8 is used as the control end of the power supply control circuit and is connected to the controller, through the above structure, the smooth switching between the storage battery and the external dc power supply can be ensured after the external power supply is inserted into the charging interface, and the soft-off control of the electronic table board can be realized, and the control principle is as follows:
switching between external direct current and battery power supply: when the external direct current is used for supplying power, on one hand, the storage battery is charged through the charging and discharging management circuit, and at the moment, the reverse bias voltage of the base electrode and the emitting electrode of the triode Q2 is smaller than the conducting voltage of the base electrode and the emitting electrode, the triode Q2 is not conducted, so that the triode Q3 is cut off, the PMOS tube Q1 is also not provided with the reverse bias voltage difference which is smaller than the conducting voltage, and the PMOS tube Q1 is cut off, so that the external direct current power supply supplies power; when the external direct-current power supply is withdrawn, the base voltage of the triode Q2 is 0, so that the emitter of the triode Q2 is reversely biased and conducted under the action of the voltage of the storage battery, the triode Q3 is conducted, the PMOS tube Q1 is conducted, and the storage battery supplies power.
About the switching on and shutting down: when the power-off device is started, the self-reset button switch K1 is closed, the grid voltage of the PMOS tube Q4 is pulled down, the triode Q4 is conducted, power is supplied to subsequent electric equipment, the self-reset button switch K1 has the function of delayed disconnection, after the controller is electrified, a high level is output to the base electrode of the triode Q5, the PMOS tube Q4 is maintained in a conducting state, when the power-off device needs to be turned off, a power-off command is input through the second display device, the controller outputs a low level to the base electrode of the triode Q5, the triode Q5 is disconnected, at the moment, the self-reset button switch K1 is in a reset disconnection state, the PMOS tube Q4 is also cut off, power supply disconnection is achieved, and power-off is achieved.
In the drawing, EVCC indicates that direct current is externally connected by a charging interface.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides an electron table tablet based on thing networking which characterized in that: the system comprises a first display device, a second display device, a controller, a transmission module, a memory, an information writing unit, a power supply unit and a personnel detection unit;
the first display equipment is used for displaying the information of the participants and is electrically connected with the controller;
the second display equipment is used for displaying the conference elements, the display interface of the second display equipment faces to the participants, and the second display equipment is electrically connected with the controller;
the transmission module comprises a first transmission module and a second transmission module, the controller is in communication connection with the conference control host through the first transmission module, and the controller is in communication connection with the peripheral terminal through the second transmission module;
the power supply unit is used for supplying power to the first display device, the second display device, the transmission module, the memory, the information writing unit and the personnel detection unit;
the output end of the personnel detection unit is connected with the input end of the controller and used for acquiring the verification information of the participators and outputting the verification information to the controller;
the output end of the information writing unit is connected with the input end of the controller and is used for writing the information of the participants into the controller;
and the memory is in communication connection with the controller and is used for storing the operation data of the controller and the information data of the participants.
2. The internet of things-based electronic table card of claim 1, wherein: the second display device is a touch display device.
3. The internet of things-based electronic table card of claim 1, wherein: personnel detection module is fingerprint sampler or high definition digtal camera.
4. The internet of things-based electronic table card of claim 1, wherein: the first transmission module and the second transmission module are both Bluetooth modules.
5. The internet of things-based electronic table card of claim 1, wherein: the information writing unit is an NFC chip or a data transmission interface.
6. The internet of things-based electronic table card of claim 1, wherein: the power supply unit comprises a storage battery, a charge and discharge management chip U1, a power supply control circuit and a voltage stabilizing circuit;
the positive electrode of the storage battery BAT is connected to the output end of the charge and discharge management chip U1, and the input end of the charge and discharge management chip U1 is connected to the charging interface; the information output end of the charging and discharging management chip U1 is connected with the input end of the controller;
the positive pole of the storage battery BAT is connected with the input end of the power supply control circuit, the output end of the power supply control circuit outputs 5V direct current to supply power to the personnel information detection module, the first display device, the second display device and the transmission module, the input end of the voltage stabilizing circuit is connected with the output end of the power supply control circuit, and the output end of the voltage stabilizing circuit outputs 3.3V direct current to supply power to the controller, the memory and the information writing unit.
7. The internet of things-based electronic table card of claim 6, wherein: the power supply control circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a PMOS tube Q1, a PMOS tube Q4, a triode Q2, a triode Q3, a diode D1 and a triode Q5;
one end of the resistor R3 is used as a first input end of the power supply control circuit and connected to the anode of the battery BAT, the other end of the resistor R3 is connected to the source electrode of the PMOS tube Q1, the drain electrode of the PMOS tube Q1 is connected to the source electrode of the PMOS tube Q4, and the drain electrode of the PMOS tube Q4 is used as the output end of the power supply control circuit;
the source electrode of the PMOS tube Q1 is connected to the grid electrode of the PMOS tube Q1 through a resistor R2, the grid electrode of the PMOS tube Q1 is connected to the collector electrode of a triode Q3, the emitter electrode of a triode Q3 is grounded, the base electrode of a triode Q3 is connected to the collector electrode of a triode Q2, and the emitter electrode of the triode Q2 is connected to the source electrode of the PMOS tube Q1 through a resistor R1;
the source of the PMOS tube Q4 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with one end of the resistor R4, the other end of the resistor R4 is used as the second input end of the power supply control circuit and is connected with the charging interface, and the common connection point between the resistor R4 and the anode of the diode D1 is connected with the base electrode of the triode Q2;
the source of the PMOS tube Q4 is connected in series with the self-reset button switch K1 through a resistor R5 and then grounded, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the grid of the PMOS tube Q4 through a resistor R6, the common connection point of the resistor R5 and the self-reset button switch K1 is connected to the collector of the triode Q5, the emitter of the triode Q5 is grounded, the base of the triode 5 is connected with one end of the resistor R7, the other end of the resistor R7 is connected to the ground through a resistor R8, and the common connection point between the resistor R7 and the resistor R8 is used as the control end of the power supply control circuit and is connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309677.1U CN215643471U (en) | 2021-09-23 | 2021-09-23 | Electronic table board based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309677.1U CN215643471U (en) | 2021-09-23 | 2021-09-23 | Electronic table board based on Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215643471U true CN215643471U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122309677.1U Active CN215643471U (en) | 2021-09-23 | 2021-09-23 | Electronic table board based on Internet of things |
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| CN (1) | CN215643471U (en) |
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- 2021-09-23 CN CN202122309677.1U patent/CN215643471U/en active Active
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