CN210090966U - GPRS-based wireless control card with power supply - Google Patents
GPRS-based wireless control card with power supply Download PDFInfo
- Publication number
- CN210090966U CN210090966U CN201921161526.2U CN201921161526U CN210090966U CN 210090966 U CN210090966 U CN 210090966U CN 201921161526 U CN201921161526 U CN 201921161526U CN 210090966 U CN210090966 U CN 210090966U
- Authority
- CN
- China
- Prior art keywords
- unit
- gprs
- power supply
- control card
- central control
- 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
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a wireless control card from electrified source based on GPRS, wireless control card includes central control unit, the GPRS unit, SIM card interface unit, LED drive unit and electrical unit, the last crystal oscillator that is connected with of central control unit, the GPRS unit connection is on the central control unit, SIM card interface unit connects on the GPRS unit, be connected with GNSS antenna and communication antenna on the GPRS unit, LED drive unit connects on the central control unit, electrical unit is used for the power supply. The utility model relates to an advanced reasonable, the sexual valence relative altitude, the utility model discloses can be through GPS satellite positioning school time, the utility model discloses a LED wireless GPRS control card, management center and user can release information and give wireless GPRS control card, and the control card is to data display to the LED display screen on, and it adopts built-in power supply to supply power, has increased the convenience of use.
Description
Technical Field
The utility model discloses a wireless control board, especially a wireless control board from electrified source based on GPRS belongs to wireless control technical field.
Background
The wireless LED control card is an LED display screen control card using a wireless information transmission technology, and is generally called an LED wireless control card, a wireless LED display control system, a wireless strip screen control system, a vehicle-mounted screen control card and the like.
The conventional wireless LED control card needs to write display information into the control card in advance, when the wireless LED control card is used, the control card is adopted to directly drive the LED display screen to display, when display content needs to be replaced, the wireless control card needs to be detached, and information updating is carried out by connecting a computer, so that the wireless LED control card is not convenient to use. In addition, the existing wireless control card adopts an external power supply to supply power, is limited by the use of the power supply, and brings inconvenience to the use.
Disclosure of Invention
To the wireless control card among the above-mentioned prior art use shortcoming that is not convenient enough, the utility model provides a wireless control card from electrified power based on GPRS, it adopts built-in GPRS communication module, and accessible SIM card and mobile communication network carry out the content and update, and simultaneously, it adopts built-in power supply to supply power, has increased the convenience of using.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a wireless control card of power from area based on GPRS, wireless control card includes central control unit, the GPRS unit, SIM card interface unit, LED drive unit and electrical unit, the last crystal oscillator that is connected with of central control unit, the GPRS unit connection is on the central control unit, SIM card interface unit connects on the GPRS unit, be connected with GNSS antenna and communication antenna on the GPRS unit, LED drive unit connects on the central control unit, electrical unit is used for the power supply.
The utility model provides a technical scheme that its technical problem adopted further still includes:
the central control unit is connected with a power-on indicating unit which adopts an LED.
The central control unit is connected with a key input unit.
The key input unit comprises a contact switch SW1 and a contact switch SW2, the contact switch SW1 is connected to a reset pin of the singlechip U1, and the contact switch SW2 is connected to a test pin of the singlechip U1.
The central control unit is connected with a storage unit.
The data interface of the central control unit is connected with a photoresistor interface.
The LED driving unit adopts two eight-bus transceivers, and is connected with an output interface unit used for being connected with the LED display screen.
The power supply unit comprises a lithium battery, a 3.3V voltage stabilizing unit and a charging interface, the charging interface is connected to the lithium battery, and the 3.3V voltage stabilizing unit is connected to an output interface of the lithium battery.
The charging interface comprises a 12V/24V power input interface and a voltage reduction unit, and the 12V/24V power input interface is connected with the voltage reduction unit.
The lithium battery is connected with a 3.8V voltage stabilizing unit.
The utility model has the advantages that: the utility model relates to an advanced reasonable, the sexual valence relative altitude, the utility model discloses can be through GPS satellite positioning school time, the utility model discloses a LED wireless GPRS control card, management center and user can release information and give wireless GPRS control card, and the control card is to data display to the LED display screen on, and it adopts built-in power supply to supply power, has increased the convenience of use.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic diagram of the control circuit of the present invention.
Fig. 3 is a schematic circuit diagram of the communication part of the present invention.
Fig. 4 is a schematic diagram of a circuit of the voltage reduction controller of the present invention.
Fig. 5 is a schematic circuit diagram of the communication unit according to the present invention.
Fig. 6 is a schematic diagram of a second circuit of the communication unit of the present invention.
Fig. 7 is a schematic diagram of the SIM card connecting unit circuit of the present invention.
Fig. 8 is a schematic circuit diagram of a part of the central control unit of the present invention.
Fig. 9 is a schematic diagram of a circuit of a crystal oscillator according to the present invention.
Fig. 10 is a schematic circuit diagram of the FLASH memory of the present invention.
Fig. 11 is a schematic circuit diagram of the key and the indicating part of the present invention.
Fig. 12 is a schematic diagram of the 3.8V voltage-stabilizing part of the circuit of the present invention.
Fig. 13 is a schematic diagram of the power input circuit of the present invention.
Fig. 14 is a schematic diagram of a circuit of a battery according to the present invention.
Fig. 15 is a schematic diagram of the 3.3V voltage-stabilizing part of the circuit of the present invention.
Fig. 16 is a schematic diagram of a transceiver circuit according to the present invention.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please combine to refer to fig. 1 to 16, the utility model discloses mainly include central control unit, the GPRS unit, SIM card interface unit, LED drive unit and electrical unit, the GPRS unit connection is on central control unit, SIM card interface unit connects on the GPRS unit, the perfect large capacity data transmission platform of SMS network and GPRS that the accessible is reliable, traditional wired screen incomparable advantage has been demonstrated to the greatest extent, LED drive unit connects on central control unit, output display information through central control unit and give LED drive unit, show through LED drive unit drive LED screen, electrical unit is used for the power supply.
In this embodiment, the central control unit adopts a single chip microcomputer U1 with signals of STM32F-LQFP64, and during specific implementation, other types or other series of single chip microcomputers can be adopted, and the crystal oscillator Y1 is connected to the single chip microcomputer U1 and used for providing clock information for the single chip microcomputer U1. In this embodiment, the single chip microcomputer U1 is connected with a power-on indicating unit, and the power-on indicating unit adopts an LED1, which can be used for indicating the working state of the utility model; the single chip microcomputer U1 is also connected with a key input unit, the key input unit comprises a contact switch SW1 and a contact switch SW2, the contact switch SW1 is connected to a reset pin of the single chip microcomputer U1 and used for inputting a reset signal, and the contact switch SW2 is connected to a test pin of the single chip microcomputer U1 and used for inputting test information.
In this embodiment, the single chip microcomputer U1 is further connected with a storage unit, the storage unit adopts a FLASH chip U3 with the model of W25Q64FVSIG for data storage, and in specific implementation, chips with the same function and other models can be used instead.
In this embodiment, the data interface of singlechip U1 is connected with photo resistance interface J7 for connect the photo resistance, and the accessible photo resistance detects the power of ambient light, thereby adjustable display screen luminance.
In this embodiment, the GPRS unit employs a communication chip U102 with a model number of MC20, which has a GNSS function and can perform global positioning in addition to GPRS communication. The GPRS unit is connected with a GNSS antenna and a communication antenna and used for communication, and the GPRS unit is also connected with a work indicator light LED2 and used for indicating the working state of the communication unit. The GPRS unit is connected with an SIM card interface which is used for inserting an SIM card and communicating by means of a telecommunication network so as to realize the advantages of offline wireless receiving, storing and displaying information, and the information service mode that the traditional electronic screen can only be set in a fixed place and cannot be used in a wide area and has single media is expanded into a comprehensive information service mode, so that the information service mode is developed towards the direction of comprehensive information service.
In this embodiment, the LED driving unit is implemented by two eight-bus transceivers (tri-state), which are respectively a transceiver U6 and a transceiver U8, and can be used for level matching and data buffering, in this embodiment, the transceiver U6 and the transceiver U8 are respectively an eight-bus transceiver (tri-state) of the model SM74HC245D, and in specific implementation, the transceivers of other models may be used for replacement, the transceiver U6 and the transceiver U8 are respectively connected to a data interface of the single chip microcomputer U1, and the LED driving unit is connected with an output interface unit for connecting with an LED display screen.
In this embodiment, the power supply unit includes the lithium cell, 3.3V voltage stabilizing unit and the interface that charges, the interface that charges is connected on the lithium cell for lithium cell charging, 3.3V voltage stabilizing unit connects on the output interface of lithium cell, be used for converting lithium cell output power to 3.3V constant voltage power supply, give singlechip and other unit module power supplies, in this embodiment, 3.3V constant voltage power supply adopts the voltage stabilizing chip that the model is 1117-3.3, during concrete implementation, also can select for use the voltage stabilizing chip of other models according to actual need. In the embodiment, the charging interface comprises a 12V/24V power supply input interface and a voltage reduction unit, the 12V/24V power supply input interface can be directly connected with a vehicle-mounted power supply of an automobile without an external power supply converter, the voltage reduction unit is connected to the 12V/24V power supply input interface, the voltage reduction unit adopts a voltage reduction chip U2 with the model of TPS40057, an external 12V/24V power supply is converted into +5V, and a lithium battery is charged. In this embodiment, still be connected with 3.8V voltage stabilizing unit on the lithium cell, convert lithium cell output voltage into + 3.8V.
The utility model relates to an advanced reasonable, the sexual valence relative altitude, the utility model discloses can be through GPS satellite positioning school time, the utility model discloses a LED wireless GPRS control card, management center and user can release information and give wireless GPRS control card, and the control card is to data display to the LED display screen on, and it adopts built-in power supply to supply power, has increased the convenience of use.
Claims (10)
1. A GPRS-based wireless control card with a power supply is characterized in that: the wireless control card include central control unit, GPRS unit, SIM card interface unit, LED drive unit and electrical unit, be connected with the crystal oscillator on the central control unit, the GPRS unit connection is on the central control unit, SIM card interface unit connects on the GPRS unit, is connected with GNSS antenna and communication antenna on the GPRS unit, the LED drive unit is connected on the central control unit, electrical unit is used for the power supply.
2. A GPRS based wireless control card with power supply according to claim 1 wherein: the central control unit is connected with a power-on indicating unit which adopts an LED.
3. A GPRS based wireless control card with power supply according to claim 1 wherein: the central control unit is connected with a key input unit.
4. A GPRS based wireless control card with power supply according to claim 3 wherein: the key input unit comprises a contact switch SW1 and a contact switch SW2, the contact switch SW1 is connected to a reset pin of the singlechip U1, and the contact switch SW2 is connected to a test pin of the singlechip U1.
5. A GPRS based wireless control card with power supply according to claim 1 wherein: the central control unit is connected with a storage unit.
6. A GPRS based wireless control card with power supply according to claim 1 wherein: the data interface of the central control unit is connected with a photoresistor interface.
7. A GPRS based wireless control card with power supply according to claim 1 wherein: the LED driving unit adopts two eight-bus transceivers, and is connected with an output interface unit used for being connected with the LED display screen.
8. A GPRS based wireless control card with power supply according to claim 1 wherein: the power supply unit comprises a lithium battery, a 3.3V voltage stabilizing unit and a charging interface, the charging interface is connected to the lithium battery, and the 3.3V voltage stabilizing unit is connected to an output interface of the lithium battery.
9. A GPRS based wireless control card with power supply according to claim 8, wherein: the charging interface comprises a 12V/24V power input interface and a voltage reduction unit, and the 12V/24V power input interface is connected with the voltage reduction unit.
10. A GPRS based wireless control card with power supply according to claim 8, wherein: the lithium battery is connected with a 3.8V voltage stabilizing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161526.2U CN210090966U (en) | 2019-07-23 | 2019-07-23 | GPRS-based wireless control card with power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161526.2U CN210090966U (en) | 2019-07-23 | 2019-07-23 | GPRS-based wireless control card with power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090966U true CN210090966U (en) | 2020-02-18 |
Family
ID=69485284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921161526.2U Active CN210090966U (en) | 2019-07-23 | 2019-07-23 | GPRS-based wireless control card with power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090966U (en) |
-
2019
- 2019-07-23 CN CN201921161526.2U patent/CN210090966U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100386966C (en) | Accessory-type GPS receiver | |
| US20140074747A1 (en) | Assistant system for the tour guide | |
| CN103840525B (en) | Mobile storage power supply | |
| CN112688373A (en) | Charging method and device and data line | |
| CN210090966U (en) | GPRS-based wireless control card with power supply | |
| CN201766711U (en) | Satellite navigation vehicle-mounted terminal monitoring system | |
| CN101943844A (en) | Multifunctional projector | |
| CN205826719U (en) | Bluetooth power communication photometer head | |
| CN208013826U (en) | Guidance entertainment system core board is controlled in a kind of novel automobile | |
| CN201947323U (en) | Vehicle-mounted terminal for road testing system | |
| CN212463222U (en) | Wireless signal detection device | |
| CN212061265U (en) | Vehicle-mounted multifunctional intelligent automobile data recorder | |
| CN210693993U (en) | On-vehicle POE switch | |
| CN213658978U (en) | Vehicle-mounted portable detachable GNSS receiver for agricultural machinery operation | |
| CN109950957B (en) | Charging cabin, bluetooth headset and Bluetooth headset charging system | |
| CN210487994U (en) | Novel GPS position indicator | |
| CN210015237U (en) | Navigation module test system | |
| CN219676589U (en) | Radio frequency identification terminal based on modularized design | |
| CN218630197U (en) | High-precision positioning terminal for railway protection board | |
| CN214674426U (en) | Apple full data backup power bank | |
| CN209560089U (en) | A kind of Beidou RDSS communication terminal of integrated charge treasured function | |
| CN201032489Y (en) | Bluetooth solar global location receiving recorder device | |
| CN211906237U (en) | Dual-mode page turning pen suitable for being used in various scenes | |
| CN219533669U (en) | Control device for verification coding of automatic medium latitude total station | |
| CN201937735U (en) | Wireless video communication instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |