CN212846844U - Wireless acousto-optic positioning terminal - Google Patents
Wireless acousto-optic positioning terminal Download PDFInfo
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- CN212846844U CN212846844U CN202021997121.5U CN202021997121U CN212846844U CN 212846844 U CN212846844 U CN 212846844U CN 202021997121 U CN202021997121 U CN 202021997121U CN 212846844 U CN212846844 U CN 212846844U
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Abstract
A wireless sound and light positioning terminal mainly comprises a singlechip, a communication interface unit, a wireless communication unit, a sound unit, a light-emitting unit and a key unit; the singlechip is electrically connected with the communication interface unit, the wireless communication unit, the sound unit, the light-emitting unit and the key unit respectively; the wireless communication unit is connected with the server through the repeater so that the single chip microcomputer and the server exchange information; the communication interface unit is used for connecting external equipment so that the external equipment can upgrade and maintain the singlechip; the sound unit is used for making sound according to the received control signal of the single chip microcomputer, and the light-emitting unit is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit is used for confirming information by an operator to feed back to the server through the single chip microcomputer on one hand, and is used for starting or closing the terminal by the operator on the other hand.
Description
Technical Field
The utility model relates to a wireless positioning terminal technical field, concretely relates to wireless reputation positioning terminal.
Background
In application scenes of warehouses, pharmacies, restaurants and the like, a wireless positioning terminal is needed to assist an operator to get materials, a wireless module and a signal processing unit are arranged in the wireless positioning terminal, the wireless positioning terminal is usually arranged in front of each warehouse, then a repeater is arranged at a corner of the warehouse, and the wireless positioning terminal is connected with a server through the repeater; when an operator needs to get materials, the bar codes on the material getting list are scanned through the code scanning gun to feed back the bar codes to the server to inquire the materials corresponding to the material getting list, and after the server inquires a result, the server sends information to the wireless positioning terminal corresponding to the materials so that the corresponding wireless positioning terminal can be lightened or buzzed, and therefore the operator can quickly find the materials needed to be taken.
However, the existing wireless positioning terminal has the following defects: (1) the system is not provided with an external communication interface, so that the upgrading and the maintenance are inconvenient; (2) the power consumption is large, and the use is inconvenient due to frequent charging; (3) no key is provided, and no feedback function is provided; (4) the wireless transmission distance is short, and a plurality of repeaters need to be arranged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model aims at providing a wireless reputation location terminal through being equipped with external communication interface in order to conveniently upgrade and maintain, adopts the ultra-low power consumption chip in order to reduce the number of times that charges, design button feedback function in order to make things convenient for server record this terminal state, adopts the quantity of wireless remote transmission technique in order to reduce the repeater by a wide margin.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the wireless acousto-optic positioning terminal comprises a singlechip, a communication interface unit, a wireless communication unit, a sound unit, a light-emitting unit and a key unit; the single chip microcomputer is electrically connected with the communication interface unit, the wireless communication unit, the sound unit, the light-emitting unit and the key unit respectively; the wireless communication unit is connected with the server through the repeater so that the single chip microcomputer and the server exchange information; the communication interface unit is used for connecting external equipment so as to enable the external equipment to upgrade and maintain the singlechip; the sound unit is used for making sound according to the received control signal of the single chip microcomputer, and the light-emitting unit is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit is used for confirming information by an operator to feed back to the server through the single chip microcomputer on one hand, and is used for starting or closing the terminal by the operator on the other hand;
the terminal also comprises a charging management unit and a voltage stabilizing unit, wherein the charging management unit is used for controlling a direct-current power supply to charge the battery, and the voltage stabilizing unit is used for converting the voltage of the battery to provide working voltage for the single chip microcomputer, the sound unit and the light emitting unit.
Further, the single chip microcomputer comprises a microprocessor, crystal oscillators Y1 and Y2, capacitors C38, C24, C36, C37, C34, C6, C31, C32, C33 and C35, and resistors R23, R24 and R18; the pin 11 of the microprocessor is respectively connected with a positive electrode terminal VBAT + of the battery, one end of the resistor R23 and one end of the resistor R24, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with a battery power supply terminal VBAT; a pin 3 of the microprocessor is respectively connected with one end of the crystal oscillator Y1 and one end of the capacitor C38, a pin 4 of the microprocessor is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C24, and the other end of the capacitor C38 is connected with the other end of the capacitor C24 and then grounded; a pin 5 of the microprocessor is respectively connected with a pin 3 of the crystal oscillator Y2 and one end of the capacitor C36, the other end of the capacitor C36 is connected with a pin 4 of the crystal oscillator Y2, a pin 6 of the microprocessor is respectively connected with a pin 1 of the crystal oscillator Y2 and one end of the capacitor C37, the other end of the capacitor C37 is connected with a pin 2 of the crystal oscillator Y2, and the pin 4 and the pin 2 of the crystal oscillator Y2 are grounded after being connected; pin 7 of the microprocessor is connected with one end of the capacitor C34, and the other end of the capacitor C34 is grounded; the pin 44 of the microprocessor is respectively connected with a reset terminal BOOT and one end of the resistor R18, and the other end of the resistor R18 is grounded; pin 1 of the microprocessor is respectively connected with one end of the capacitor C6 and the 3.3V circuit voltage; the pin 24, the pin 36 and the pin 48 of the microprocessor are connected and then respectively connected with one end of the capacitor C32, one end of the capacitor C33, one end of the capacitor C31 and 3.3V circuit voltage, the pin 24 of the microprocessor is also connected with the pin 9 and then connected with one end of the capacitor C35, and the other end of the capacitor C35 is connected with the other end of the capacitor C32, the other end of the capacitor C33 and the other end of the capacitor C31 and then grounded; the pin 47, the pin 35, the pin 23 and the pin 8 of the microprocessor are connected and then grounded; the microprocessor comprises a microprocessor pin 12, a microprocessor pin 13, a serial data receiving end, an SPI bus interface, a radio frequency interface.
Further, the communication interface unit comprises a USB-to-UART chip, a connector P7, capacitors C41 and C79, a diode D5, resistors R11, R25, R33 and R37; pin 1 of the USB to UART chip is connected to one end of the resistor R25, the other end of the resistor R25 is connected to pin 2 of the connector P7, pin 2 of the USB to UART chip is connected to one end of the resistor R11, the other end of the resistor R11 is connected to pin 3 of the connector P7, pin 3 of the USB to UART chip is grounded and connected to pin 1 of the connector P7, pin 4 of the connector P7 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the circuit voltage input terminal, pin 5 of the USB to UART chip is connected to one end of the capacitor C41 and the circuit voltage input terminal, the other end of the capacitor C41 is grounded, pin 6 of the USB to UART chip is connected to one end of the resistor R37, the other end of the resistor R37 is connected to pin 13 of the microprocessor, pin 7 of the USB to UART chip is connected to one end of the resistor R387r 33, the other end of the resistor R33 is connected with a pin 12 of the microprocessor, a pin 8 of the USB-to-UART chip is connected with one end of the capacitor C79, and the other end of the capacitor C79 is grounded.
Further, the wireless communication unit comprises a wireless communication LoRa module, a radio frequency switch, a crystal oscillator Q1, an inductor L4, L9, L10, L11, L12, L13, L14, a capacitor C15, C40, C42, C23, C13, C7, C58, C74, C75, C39, C48, C63, C59, C62, C61, C60, C68, C69, C73, C72, C66, C65, C67, C64, C70, C71, a resistor R16, R17, R19, R15, R9; the wireless communication LoRa module is a wireless transceiver with long distance and low power consumption, and the communication distance is increased to a certain extent by the aid of a LoRa modulation mode; the radio frequency switch is used for switching among different radio frequency frequencies;
Further, the charge management unit includes a linear charger, a battery, capacitors C2 and C5, light emitting diodes D1 and D2, resistors R1, R2, R5, and R12; the linear charger is used for providing a constant current/constant voltage linear charging mode for the battery; pin 1 of the linear charger is connected with one end of the resistor R5, the other end of the resistor R5 is grounded, pin 2 of the linear charger is connected with one end of the resistor R12, the other end of the resistor R12 is grounded, pin 3 of the linear charger is grounded, pin 4 and pin 8 of the linear charger are connected with one end of the resistor R2 and one end of the resistor R1, one end of the resistor R1 is also connected with a circuit voltage input end and one end of the capacitor C2 respectively, the other end of the capacitor C2 is grounded, pin 7 of the linear charger is connected with the cathode of the light emitting diode D2, the anode of the light emitting diode D2 is connected with the other end of the resistor R2, pin 6 of the linear charger is connected with the cathode of the light emitting diode D1, the anode of the light emitting diode D1 is connected with the other end of the resistor R1, the pin 5 of the linear charger is respectively connected with the battery power supply terminal VBAT, the battery anode terminal VBAT +, the pin 1 of the battery and one end of the capacitor C5, and the pin 4 and the pin 3 of the battery and the other end of the capacitor C5 are connected and then grounded.
Further, the voltage stabilizing unit comprises a low dropout linear voltage regulator, capacitors C3, C4, C25 and C30; connect after low dropout linear regulator's pin 1 and pin 3 link to each other the one end of electric capacity C3, the one end of electric capacity C3 is still connected battery power supply terminal VBAT, low dropout linear regulator's pin 2 with ground connection after electric capacity C3's the other end links to each other, and low dropout linear regulator's pin 4 is connected electric capacity C25's one end, electric capacity C25's other end ground connection, low dropout linear regulator's pin 5 is connected respectively electric capacity C4's one end with electric capacity C30's one end, electric capacity C30's one end still connect circuit voltage 3.3V respectively with battery positive terminal VBAT +, electric capacity C4's the other end with electric capacity C30's other end ground connection.
Further, the sound unit comprises a buzzer, a MOS transistor Q6, a diode D12, resistors R38 and R39; pin 1 of buzzer is connected respectively diode D12's negative pole with battery positive terminal VBAT +, pin 2 of buzzer is connected respectively diode D12's positive pole with MOS pipe Q6's drain electrode, the source electrode of MOS pipe is ground connection respectively and is connected the one end of resistance R39, MOS pipe Q6's grid is connected respectively the other end of resistance R39 with the one end of resistance R38, the other end of resistance R38 is connected the pin 38 of microprocessor.
Further, the light emitting unit includes three-color light emitting diodes D9 and D10, triodes Q2, Q3, Q4, Q5, Q7, Q8, resistors R42, R10, R40, R48, R44, R46, R41, R6, R13, R47, R43, R45;
the pin 4, the pin 5 and the pin 6 of the three-color light-emitting diode D9 are connected and then connected with the battery power supply terminal VBAT; a pin 1 of the three-color light emitting diode D9 is connected to one end of the resistor R41, the other end of the resistor R41 is connected to a collector of the transistor Q3, an emitter of the transistor Q3 is grounded, a base of the transistor Q3 is connected to one end of the resistor R42, and the other end of the resistor R42 is connected to a pin 39 of the microprocessor; a pin 2 of the three-color light emitting diode D9 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a collector of the transistor Q4, an emitter of the transistor Q4 is grounded, a base of the transistor Q4 is connected to one end of the resistor R10, and the other end of the resistor R10 is connected to a pin 21 of the microprocessor; a pin 3 of the three-color light emitting diode D9 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to a collector of the transistor Q5, an emitter of the transistor Q5 is grounded, a base of the transistor Q5 is connected to one end of the resistor R40, and the other end of the resistor R40 is connected to a pin 22 of the microprocessor;
the pin 4, the pin 5 and the pin 6 of the three-color light-emitting diode D10 are connected and then connected with the battery power supply terminal VBAT; a pin 1 of the three-color light emitting diode D10 is connected to one end of the resistor R47, the other end of the resistor R47 is connected to a collector of the transistor Q2, an emitter of the transistor Q2 is grounded, a base of the transistor Q2 is connected to one end of the resistor R48, and the other end of the resistor R48 is connected to a pin 40 of the microprocessor; a pin 2 of the three-color light emitting diode D10 is connected to one end of the resistor R43, the other end of the resistor R43 is connected to a collector of the transistor Q7, an emitter of the transistor Q7 is grounded, a base of the transistor Q7 is connected to one end of the resistor R44, and the other end of the resistor R44 is connected to a pin 41 of the microprocessor; pin 3 of the three-color light emitting diode D10 is connected with one end of the resistor R45, the other end of the resistor R45 is connected with the collector of the triode Q8, the emitter of the triode Q8 is grounded, the base of the triode Q8 is connected with one end of the resistor R46, and the other end of the resistor R46 is connected with the pin 26 of the microprocessor.
Furthermore, the key unit comprises a membrane key SW2 and a resistor R20, a pin 1 and a pin 3 of the membrane key SW2 are connected and then connected with a pin 10 of the microprocessor, a pin 2 and a pin 4 of the membrane key SW2 are connected and then connected with one end of the resistor R20, and the other end of the resistor R20 is connected with 3.3V circuit voltage.
Further, the microprocessor is of the STM32 series.
Compared with the prior art, the utility model has the advantages that the wireless acousto-optic positioning terminal provided by the utility model mainly comprises a singlechip, a communication interface unit, a wireless communication unit, a sound unit, a light-emitting unit and a key unit; the singlechip is electrically connected with the communication interface unit, the wireless communication unit, the sound unit, the light-emitting unit and the key unit respectively; the wireless communication unit is connected with the server through the repeater so that the single chip microcomputer and the server exchange information; the communication interface unit is used for connecting external equipment so that the external equipment can upgrade and maintain the singlechip; the sound unit is used for making sound according to the received control signal of the single chip microcomputer, and the light-emitting unit is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit is used for confirming information by an operator to feed back to the server through the single chip microcomputer on one hand, and is used for starting or closing the terminal by the operator on the other hand; the utility model discloses a be equipped with external communication interface with convenient upgrading and maintenance, adopt the ultra-low power consumption chip in order to reduce the number of times that charges, design button feedback function is in order to make things convenient for this terminal state of server record, adopts the quantity that wireless remote transmission technique reduced the repeater by a wide margin.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a system of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a single chip microcomputer and a key unit circuit of a wireless acousto-optic positioning terminal provided by the embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a communication interface unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a wireless communication unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of a charging management unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 6 is a schematic circuit diagram of a voltage stabilizing unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 7 is a schematic circuit diagram of a sound unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
Fig. 8 is a schematic circuit diagram of a light-emitting unit of a wireless acousto-optic positioning terminal according to an embodiment of the present invention.
The mark in the figure is 1, and the singlechip is used for processing the data; 2. a wireless communication unit; 3. a communication interface unit; 4. a sound unit; 5. a light emitting unit; 6. a key unit; 7. a charging management unit; 8. a voltage stabilization unit; 01. a direct current power supply; 02. an external device; 03. a repeater; 04. and (4) a server.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 8, the preferred embodiment of the present invention is provided.
Referring to fig. 1, the wireless acousto-optic positioning terminal provided in this embodiment includes a single chip microcomputer 1, a communication interface unit 3, a wireless communication unit 2, a sound unit 4, a light emitting unit 5 and a key unit 6; the singlechip 1 is electrically connected with the communication interface unit 3, the wireless communication unit 2, the sound unit 4, the light-emitting unit 5 and the key unit 6 respectively; the wireless communication unit 2 is connected with the server 04 through the repeater 03, so that the single chip microcomputer 1 and the server 04 exchange information; the communication interface unit 3 is used for connecting the external device 02 so that the external device 02 can upgrade and maintain the singlechip 1; the sound unit 4 is used for making sound according to the received control signal of the single chip microcomputer 1, and the light-emitting unit 5 is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit 6 is used for confirming information by an operator to feed back to the server 04 through the singlechip 1 on one hand, and is used for starting or closing the terminal by the operator on the other hand;
the terminal further comprises a charging management unit 7 and a voltage stabilizing unit 8, wherein the charging management unit 7 is used for controlling the direct-current power supply 01 to charge the battery, and the voltage stabilizing unit 8 is used for converting the voltage of the battery to provide working voltage for the single chip microcomputer 1, the sound unit 4 and the light emitting unit 5.
The wireless acousto-optic positioning terminal provided by the technical scheme mainly comprises a singlechip 1, a communication interface unit 3, a wireless communication unit 2, a sound unit 4, a light-emitting unit 5 and a key unit 6; the singlechip 1 is electrically connected with the communication interface unit 3, the wireless communication unit 2, the sound unit 4, the light-emitting unit 5 and the key unit 6 respectively; the wireless communication unit 2 is connected with the server 04 through the repeater 03, so that the single chip microcomputer 1 and the server 04 exchange information; the communication interface unit 3 is used for connecting the external device 02 so that the external device 02 can upgrade and maintain the singlechip 1; the sound unit 4 is used for making sound according to the received control signal of the single chip microcomputer 1, and the light-emitting unit 5 is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit 6 is used for confirming information by an operator to feed back to the server 04 through the singlechip 1 on one hand, and is used for starting or closing the terminal by the operator on the other hand; the utility model discloses a be equipped with external communication interface with convenient upgrading and maintenance, adopt the ultra-low power consumption chip in order to reduce the number of times that charges, design button feedback function is in order to make things convenient for server 04 to take notes this terminal state, adopts the wireless remote transmission technique to reduce the quantity of repeater 03 by a wide margin.
Referring to fig. 2, as an embodiment of the present invention, the single chip microcomputer 1 includes a microprocessor U5, crystal oscillators Y1 and Y2, capacitors C38, C24, C36, C37, C34, C6, C31, C32, C33, and C35, and resistors R23, R24, and R18; a pin 11 of the microprocessor U5 is respectively connected with a positive terminal VBAT + of the battery, one end of a resistor R23 and one end of a resistor R24, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with a battery power supply terminal VBAT; a pin 3 of the microprocessor U5 is respectively connected with one end of a crystal oscillator Y1 and one end of a capacitor C38, a pin 4 of the microprocessor U5 is respectively connected with the other end of the crystal oscillator Y1 and one end of a capacitor C24, and the other end of the capacitor C38 is connected with the other end of the capacitor C24 and then grounded; a pin 5 of the microprocessor U5 is respectively connected with a pin 3 of a crystal oscillator Y2 and one end of a capacitor C36, the other end of the capacitor C36 is connected with a pin 4 of the crystal oscillator Y2, a pin 6 of the microprocessor U5 is respectively connected with a pin 1 of the crystal oscillator Y2 and one end of a capacitor C37, the other end of the capacitor C37 is connected with a pin 2 of a crystal oscillator Y2, and the pin 4 and the pin 2 of the crystal oscillator Y2 are grounded after being connected; pin 7 of the microprocessor U5 is connected with one end of a capacitor C34, and the other end of the capacitor C34 is grounded; a pin 44 of the microprocessor U5 is connected to the reset terminal BOOT and one end of the resistor R18, respectively, and the other end of the resistor R18 is grounded; pin 1 of the microprocessor U5 is connected to one end of the capacitor C6 and the 3.3V circuit voltage respectively; the pin 24, the pin 36 and the pin 48 of the microprocessor U5 are connected and then respectively connected with one end of a capacitor C32, one end of a capacitor C33, one end of a capacitor C31 and 3.3V circuit voltage, the pin 24 of the microprocessor U5 is also connected with the pin 9 and then connected with one end of a capacitor C35, and the other end of a capacitor C35 is connected with the other end of the capacitor C32, the other end of the capacitor C33 and the other end of the capacitor C31 and then grounded; pin 47, pin 35, pin 23, and pin 8 of the microprocessor U5 are connected and then grounded; the pin 12 of the microprocessor is a serial data transmitting terminal, the pin 13 of the microprocessor U5 is a serial data receiving terminal, the pin 14, the pin 15, the pin 16 and the pin 17 of the microprocessor U5 are SPI bus interfaces, the pin 28, the pin 29, the pin 30, the pin 31, the pin 32 and the pin 33 of the microprocessor U5 are interrupt pins for determining whether data reception and transmission are completed, the pin 38 of the microprocessor U5 is used for outputting a sound control signal, the pin 18 of the microprocessor U5 is used for controlling switching between a radio frequency input circuit and a radio frequency output circuit, the pin 19 of the microprocessor U5 is used for restoring factory settings, and the pin 39, the pin 40, the pin 41, the pin 21, the pin 22 and the pin 26 of the microprocessor U5 are used for outputting a light emission control signal.
Preferably, the microprocessor U5 is of the STM32 family.
Referring to fig. 3, as an embodiment of the present invention, the communication interface unit 3 includes a USB to UART chip U7, a connector P7, capacitors C41 and C79, a diode D5, resistors R11, R25, R33, and R37; pin 1 of USB to UART chip U7 is connected to one end of resistor R25, the other end of resistor R25 is connected to pin 2 of connector P7, pin 2 of USB to UART chip U7 is connected to one end of resistor R11, the other end of resistor R11 is connected to pin 3 of connector P7, pin 3 of USB to UART chip U7 is grounded and connected to pin 1 of connector P7, pin 4 of connector P7 is connected to the positive pole of diode D5, the negative pole of diode D5 is connected to the circuit voltage input, pin 5 of USB to UART chip U7 is connected to one end of capacitor C41 and the circuit voltage input, the other end of capacitor C41 is grounded, pin 6 of USB to UART chip U7 is connected to one end of resistor R37, the other end of resistor R37 is connected to pin 13 of microprocessor U5, pin 7 of USB to pin R33 of USB to one end of resistor R33, the other end of resistor R33 is connected to pin 12 of microprocessor U33, and one end of USB to pin of USB to capacitor C33. The other terminal of the capacitor C79 is connected to ground.
Preferably, the USB-to-UART chip U7 has a model number CH 340N.
Referring to fig. 4, as an embodiment of the present invention, the wireless communication unit 2 includes a wireless communication LoRa module U2, a radio frequency switch U9, a crystal oscillator Q1, an inductor L4, L9, L10, L11, L12, L13, L14, a capacitor C15, C40, C42, C23, C13, C7, C58, C74, C75, C39, C48, C63, C59, C62, C61, C60, C68, C69, C73, C72, C66, C65, C67, C64, C70, C71, a resistor R16, R17, R19, R15, R9; the wireless communication LoRa module U2 is a long-distance and low-power-consumption wireless transceiver, and the communication distance is increased to a certain extent by the aid of a LoRa modulation mode; the radio frequency switch U9 is used for switching between different radio frequency;
Preferably, the wireless communication LoRa module U2 is of the type SX1278, and the radio frequency switch U9 is of the type PE 4259.
Referring to fig. 5, as an embodiment of the present invention, the charge management unit 7 includes a linear charger U1, a battery BATT1, capacitors C2 and C5, light emitting diodes D1 and D2, resistors R1, R2, R5, and R12; the linear charger U1 is used for providing a constant current/constant voltage linear charging mode for the battery BATT 1; pin 1 of the linear charger U1 is connected to one end of a resistor R5, the other end of the resistor R5 is grounded, pin 2 of the linear charger U1 is connected to one end of a resistor R12, the other end of the resistor R12 is grounded, pin 3 of the linear charger U1 is grounded, pin 4 of the linear charger U1 is connected to pin 8 and then connected to one end of a resistor R2 and one end of a resistor R1, one end of the resistor R1 is also connected to a circuit voltage input terminal and one end of a capacitor C2, the other end of the capacitor C2 is grounded, pin 7 of the linear charger U1 is connected to the cathode of a light emitting diode D2, the anode of the light emitting diode D2 is connected to the other end of the resistor R2, pin 6 of the linear charger U1 is connected to the cathode of the light emitting diode D1, the anode of the light emitting diode D1 is connected to the other end of the resistor R1, and pin 5 of the linear charger U1, Pin 1 of battery BATT1 and one end of capacitor C5, and pin 4 and pin 3 of battery BATT1 and the other end of capacitor C5 are connected and then grounded.
Preferably, the linear charger U1 is model TP 4056.
Referring to fig. 6, as an embodiment of the present invention, the voltage stabilizing unit 8 includes a low dropout linear regulator U3, capacitors C3, C4, C25, and C30; pin 1 and pin 3 of the low dropout linear regulator U3 are connected and then connected with one end of a capacitor C3, one end of a capacitor C3 is further connected with a battery power supply terminal VBAT, pin 2 of the low dropout linear regulator U3 and the other end of the capacitor C3 are connected and then grounded, pin 4 of the low dropout linear regulator U3 is connected with one end of a capacitor C25, the other end of the capacitor C25 is grounded, pin 5 of the low dropout linear regulator U3 is respectively connected with one end of a capacitor C4 and one end of a capacitor C30, one end of a capacitor C30 is further respectively connected with circuit voltage 3.3V and a battery positive terminal VBAT +, and the other end of the capacitor C4 and the other end of the capacitor C30 are grounded.
Preferably, the low dropout linear regulator U3 is model RT 9013.
Referring to fig. 7, as an embodiment of the present invention, the sound unit 4 includes a buzzer U4, a MOS transistor Q6, a diode D12, and resistors R38 and R39; pin 1 of the buzzer U4 is connected to the cathode of the diode D12 and the positive terminal VBAT + of the battery respectively, pin 2 of the buzzer U4 is connected to the anode of the diode D12 and the drain of the MOS transistor Q6 respectively, the source of the MOS transistor is connected to the ground and one end of the resistor R39 respectively, the gate of the MOS transistor Q6 is connected to the other end of the resistor R39 and one end of the resistor R38 respectively, and the other end of the resistor R38 is connected to the pin 38 of the microprocessor U5.
Preferably, the buzzer U4 is of the type BEEP 7525.
Referring to fig. 8, as an embodiment of the present invention, the light emitting unit 5 includes three-color light emitting diodes D9 and D10, triodes Q2, Q3, Q4, Q5, Q7, Q8, resistors R42, R10, R40, R48, R44, R46, R41, R6, R13, R47, R43, R45;
a pin 4, a pin 5 and a pin 6 of the three-color light-emitting diode D9 are connected and then connected with a battery power supply terminal VBAT; pin 1 of a three-color light emitting diode D9 is connected with one end of a resistor R41, the other end of the resistor R41 is connected with a collector of a triode Q3, an emitter of the triode Q3 is grounded, a base of the triode Q3 is connected with one end of a resistor R42, and the other end of the resistor R42 is connected with a pin 39 of a microprocessor U5; pin 2 of the three-color light emitting diode D9 is connected with one end of a resistor R6, the other end of the resistor R6 is connected with the collector of a triode Q4, the emitter of the triode Q4 is grounded, the base of the triode Q4 is connected with one end of a resistor R10, and the other end of the resistor R10 is connected with a pin 21 of a microprocessor U5; a pin 3 of a three-color light emitting diode D9 is connected with one end of a resistor R13, the other end of the resistor R13 is connected with a collector of a triode Q5, an emitter of the triode Q5 is grounded, a base of a triode Q5 is connected with one end of a resistor R40, and the other end of the resistor R40 is connected with a pin 22 of a microprocessor U5;
a pin 4, a pin 5 and a pin 6 of the three-color light-emitting diode D10 are connected and then connected with a battery power supply terminal VBAT; pin 1 of a three-color light emitting diode D10 is connected with one end of a resistor R47, the other end of the resistor R47 is connected with a collector of a triode Q2, an emitter of the triode Q2 is grounded, a base of the triode Q2 is connected with one end of a resistor R48, and the other end of the resistor R48 is connected with a pin 40 of a microprocessor U5; pin 2 of the three-color light emitting diode D10 is connected with one end of a resistor R43, the other end of the resistor R43 is connected with the collector of a triode Q7, the emitter of the triode Q7 is grounded, the base of the triode Q7 is connected with one end of a resistor R44, and the other end of the resistor R44 is connected with a pin 41 of a microprocessor U5; pin 3 of the three-color light emitting diode D10 is connected with one end of a resistor R45, the other end of the resistor R45 is connected with the collector of a transistor Q8, the emitter of the transistor Q8 is grounded, the base of the transistor Q8 is connected with one end of a resistor R46, and the other end of the resistor R46 is connected with pin 26 of a microprocessor U5.
Preferably, the three-color light emitting diodes D9 and D10 emit blue, red, and green light.
Referring to fig. 2, as an embodiment of the present invention, the key unit 6 includes a membrane key SW2 and a resistor R20, a pin 1 and a pin 3 of the membrane key SW2 are connected to a pin 10 of a microprocessor U5, a pin 2 and a pin 4 of the membrane key SW2 are connected to one end of a resistor R20, and the other end of the resistor R20 is connected to a 3.3V circuit voltage.
The terminal is fixedly arranged at each warehouse location, when an operator needs to take materials, a bar code on the material taking list is scanned by the code scanning gun to feed back the bar code to the server to inquire the materials corresponding to the material taking list, and after the server inquires a result, information is sent to the terminal corresponding to the materials to enable the three-color light-emitting diode of the corresponding terminal to be lightened and the buzzer to buzz, so that the operator can quickly find the corresponding materials; after the operator finishes the getting, the terminal confirms that the materials are got by touching the key, and then feeds back a piece of information to the server, the key can be started up by long pressing in the shutdown state, and the light-emitting diode is always bright green for 3 seconds when the terminal is started up, so that the terminal is started up; the key can be turned off by long pressing in the power-on state, and the LED lamp is always on red for 3 seconds when the key is turned off, so that the key is turned off.
The embodiments of the present invention have been described in detail, but the invention is not limited to the embodiments, and those skilled in the art can make many equivalent modifications or substitutions without departing from the spirit of the present invention, and the equivalent modifications or substitutions are included in the scope of protection defined by the claims of the present application.
Claims (10)
1. A wireless sound and light positioning terminal is characterized by comprising a single chip microcomputer, a communication interface unit, a wireless communication unit, a sound unit, a light-emitting unit and a key unit; the single chip microcomputer is electrically connected with the communication interface unit, the wireless communication unit, the sound unit, the light-emitting unit and the key unit respectively; the wireless communication unit is connected with the server through the repeater so that the single chip microcomputer and the server exchange information; the communication interface unit is used for connecting external equipment so as to enable the external equipment to upgrade and maintain the singlechip; the sound unit is used for making sound according to the received control signal of the single chip microcomputer, and the light-emitting unit is used for emitting light according to the received control signal of the single chip microcomputer, so that the position of the material taken by an operator is prompted; the key unit is used for confirming information by an operator to feed back to the server through the single chip microcomputer on one hand, and is used for starting or closing the terminal by the operator on the other hand;
the terminal also comprises a charging management unit and a voltage stabilizing unit, wherein the charging management unit is used for controlling a direct-current power supply to charge the battery, and the voltage stabilizing unit is used for converting the voltage of the battery to provide working voltage for the single chip microcomputer, the sound unit and the light emitting unit.
2. The wireless acousto-optic positioning terminal according to claim 1, characterized in that the single chip microcomputer comprises a microprocessor, crystal oscillators Y1 and Y2, capacitors C38, C24, C36, C37, C34, C6, C31, C32, C33 and C35, resistors R23, R24 and R18; the pin 11 of the microprocessor is respectively connected with a positive electrode terminal VBAT + of the battery, one end of the resistor R23 and one end of the resistor R24, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with a battery power supply terminal VBAT; a pin 3 of the microprocessor is respectively connected with one end of the crystal oscillator Y1 and one end of the capacitor C38, a pin 4 of the microprocessor is respectively connected with the other end of the crystal oscillator Y1 and one end of the capacitor C24, and the other end of the capacitor C38 is connected with the other end of the capacitor C24 and then grounded; a pin 5 of the microprocessor is respectively connected with a pin 3 of the crystal oscillator Y2 and one end of the capacitor C36, the other end of the capacitor C36 is connected with a pin 4 of the crystal oscillator Y2, a pin 6 of the microprocessor is respectively connected with a pin 1 of the crystal oscillator Y2 and one end of the capacitor C37, the other end of the capacitor C37 is connected with a pin 2 of the crystal oscillator Y2, and the pin 4 and the pin 2 of the crystal oscillator Y2 are grounded after being connected; pin 7 of the microprocessor is connected with one end of the capacitor C34, and the other end of the capacitor C34 is grounded; the pin 44 of the microprocessor is respectively connected with a reset terminal BOOT and one end of the resistor R18, and the other end of the resistor R18 is grounded; pin 1 of the microprocessor is respectively connected with one end of the capacitor C6 and the 3.3V circuit voltage; the pin 24, the pin 36 and the pin 48 of the microprocessor are connected and then respectively connected with one end of the capacitor C32, one end of the capacitor C33, one end of the capacitor C31 and 3.3V circuit voltage, the pin 24 of the microprocessor is also connected with the pin 9 and then connected with one end of the capacitor C35, and the other end of the capacitor C35 is connected with the other end of the capacitor C32, the other end of the capacitor C33 and the other end of the capacitor C31 and then grounded; the pin 47, the pin 35, the pin 23 and the pin 8 of the microprocessor are connected and then grounded; the microprocessor comprises a microprocessor pin 12, a microprocessor pin 13, a serial data receiving end, an SPI bus interface, a radio frequency interface.
3. The wireless acousto-optic positioning terminal of claim 2, wherein the communication interface unit comprises a USB to UART chip, a connector P7, capacitors C41 and C79, a diode D5, resistors R11, R25, R33 and R37; pin 1 of the USB to UART chip is connected to one end of the resistor R25, the other end of the resistor R25 is connected to pin 2 of the connector P7, pin 2 of the USB to UART chip is connected to one end of the resistor R11, the other end of the resistor R11 is connected to pin 3 of the connector P7, pin 3 of the USB to UART chip is grounded and connected to pin 1 of the connector P7, pin 4 of the connector P7 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the circuit voltage input terminal, pin 5 of the USB to UART chip is connected to one end of the capacitor C41 and the circuit voltage input terminal, the other end of the capacitor C41 is grounded, pin 6 of the USB to UART chip is connected to one end of the resistor R37, the other end of the resistor R37 is connected to pin 13 of the microprocessor, pin 7 of the USB to UART chip is connected to one end of the resistor R387r 33, the other end of the resistor R33 is connected with a pin 12 of the microprocessor, a pin 8 of the USB-to-UART chip is connected with one end of the capacitor C79, and the other end of the capacitor C79 is grounded.
4. The wireless acousto-optic positioning terminal according to claim 2, characterized in that the wireless communication unit comprises a wireless communication LoRa module, a radio frequency switch, a crystal oscillator Q1, inductors L4, L9, L10, L11, L12, L13, L14, capacitors C15, C40, C42, C23, C13, C7, C58, C74, C75, C39, C48, C63, C59, C62, resistors R62, R62; the wireless communication LoRa module is a wireless transceiver with long distance and low power consumption, and the communication distance is increased to a certain extent by the aid of a LoRa modulation mode; the radio frequency switch is used for switching among different radio frequency frequencies;
pin 1 of the wireless communication LoRa module is connected to one end of the inductor L15 and one end of the inductor L12, respectively, the other end of the inductor L15 is grounded, the other end of the inductor L12 is connected to one end of the capacitor C62 and one end of the capacitor C61, the other end of the capacitor C62 is grounded, the other end of the capacitor C61 is connected to one end of the capacitor C66, the other end of the capacitor C66 is connected to pin 1 of the rf switch, pin 2 of the wireless communication LoRa module is connected to one end of the capacitor C13, the other end of the capacitor C13 is grounded, pin 3 of the wireless communication LoRa module is connected to VDD _ RFS and one end of the capacitor C23, the other end of the capacitor C23 is grounded, pin 4 of the wireless communication LoRa module is connected to one end of the capacitor C7, the other end of the capacitor C7 is grounded, and pin 5 of the wireless communication LoRa module is connected to pin 3 of the crystal Q1 and one end 40 of the capacitor C4937, the other end ground connection of electric capacity C40, crystal oscillator Q1's pin 2 and pin 4 link to each other the back ground connection, the pin 6 of wireless communication loRa module is connected respectively crystal oscillator Q1's pin 1 with electric capacity C42's one end, electric capacity C42's other end ground connection, the pin 7 of wireless communication loRa module is connected the pin 19 of microprocessor, the pin 8 of wireless communication loRa module is connected the pin 33 of microprocessor, the pin 9 of wireless communication loRa module is connected the pin 32 of microprocessor, the pin 10 of wireless communication loRa module is connected the pin 31 of microprocessor, the pin 11 of wireless communication loRa module is connected the pin 30 of microprocessor, the pin 12 of wireless communication loRa module is connected the pin 29 of microprocessor, the pin 13 of wireless communication loRa module is connected the pin 28 of microprocessor, a pin 14 of the wireless communication LoRa module is respectively connected with a voltage end VDD _ RFS and one end of the capacitor C15, the other end of the capacitor C15 is grounded, a pin 15 of the wireless communication LoRa module is grounded, a pin 16 of the wireless communication LoRa module is connected with one end of the resistor R16, the other end of the resistor R16 is connected with a pin 15 of the microprocessor, a pin 17 of the wireless communication LoRa module is connected with one end of the resistor R17, the other end of the resistor R17 is connected with a pin 16 of the microprocessor, a pin 18 of the wireless communication LoRa module is connected with one end of the resistor R19, the other end of the resistor R19 is connected with a pin 17 of the microprocessor, a pin 19 of the wireless communication LoRa module is connected with one end of the resistor R15, the other end of the resistor R15 is connected with a pin 14 of the microprocessor, and a pin 20 of the wireless communication LoRa module is a radio frequency signal sending end, the terminal 21, the terminal 22 and the terminal 23 of the wireless communication LoRa module are connected to connect with one end of the capacitor C58 and one end of the capacitor C74, one end of the capacitor C58 is grounded, the terminal 24 of the wireless communication LoRa module is connected with the other end of the capacitor C58 and the other end of the capacitor C74, the other end of the capacitor C58 is connected with a voltage terminal VDD _ RFS, the terminal 25 of the wireless communication LoRa module is connected with one end of the capacitor C75, one end of the inductor L4, one end of the capacitor C39 and one end of the capacitor C48, the other end of the capacitor C75 is grounded, the other end of the capacitor C39 is grounded, the other end of the capacitor C48 is grounded, the terminal 26 of the wireless communication LoRa module is grounded, the terminal 27 of the wireless communication LoRa module is connected with one end of the inductor L13, and the other end of the inductor L13 is connected with the other end of the inductor L4, One end of the capacitor C63 and one end of the capacitor C59, the other end of the capacitor C63 is grounded, the other end of the capacitor C59 is connected to one end of the inductor L9, the other end of the inductor L9 is connected to one end of the capacitor C68, one end of the inductor L10 and one end of the capacitor C60, the other end of the capacitor C60 is grounded, the other end of the capacitor C68 is connected to one end of the capacitor C73, the other end of the inductor L10 and one end of the capacitor C69, the other end of the capacitor C69 is grounded, a connection point between the other end of the inductor L10 and one end of the capacitor C69 is connected to one end of the inductor L14, the other end of the capacitor C73 and the other end of the inductor L14 are connected to one end of the pin 3 and one end of the capacitor C72 of the rf switch, the other end of the capacitor C72 is grounded, and the pin 2 of the rf switch is grounded, pin 4 of radio frequency switch connects respectively resistance R9's one end with the one end of electric capacity C65, resistance R9's the other end is connected the pin 18 of microprocessor, electric capacity C65's the other end ground connection, radio frequency switch's pin 5 is connected electric capacity C64's one end, electric capacity C64's the other end is connected respectively electric capacity C70's one end with inductor L11's one end, electric capacity C70's the other end ground connection, inductor L11's the other end connect respectively spring antenna with electric capacity C71's one end, electric capacity C71's the other end ground connection.
5. The wireless acousto-optic positioning terminal of claim 2, wherein the charging management unit comprises a linear charger, a battery, capacitors C2 and C5, light emitting diodes D1 and D2, resistors R1, R2, R5 and R12; the linear charger is used for providing a constant current/constant voltage linear charging mode for the battery; pin 1 of the linear charger is connected with one end of the resistor R5, the other end of the resistor R5 is grounded, pin 2 of the linear charger is connected with one end of the resistor R12, the other end of the resistor R12 is grounded, pin 3 of the linear charger is grounded, pin 4 and pin 8 of the linear charger are connected with one end of the resistor R2 and one end of the resistor R1, one end of the resistor R1 is also connected with a circuit voltage input end and one end of the capacitor C2 respectively, the other end of the capacitor C2 is grounded, pin 7 of the linear charger is connected with the cathode of the light emitting diode D2, the anode of the light emitting diode D2 is connected with the other end of the resistor R2, pin 6 of the linear charger is connected with the cathode of the light emitting diode D1, the anode of the light emitting diode D1 is connected with the other end of the resistor R1, the pin 5 of the linear charger is respectively connected with the battery power supply terminal VBAT, the battery anode terminal VBAT +, the pin 1 of the battery and one end of the capacitor C5, and the pin 4 and the pin 3 of the battery and the other end of the capacitor C5 are connected and then grounded.
6. The wireless acousto-optic positioning terminal of claim 5, wherein the voltage regulator unit comprises a low dropout linear voltage regulator, capacitors C3, C4, C25 and C30; connect after low dropout linear regulator's pin 1 and pin 3 link to each other the one end of electric capacity C3, the one end of electric capacity C3 is still connected battery power supply terminal VBAT, low dropout linear regulator's pin 2 with ground connection after electric capacity C3's the other end links to each other, and low dropout linear regulator's pin 4 is connected electric capacity C25's one end, electric capacity C25's other end ground connection, low dropout linear regulator's pin 5 is connected respectively electric capacity C4's one end with electric capacity C30's one end, electric capacity C30's one end still connect circuit voltage 3.3V respectively with battery positive terminal VBAT +, electric capacity C4's the other end with electric capacity C30's other end ground connection.
7. A wireless acousto-optic location terminal according to claim 6 characterised in that the sound unit includes a buzzer, MOS transistor Q6, diode D12, resistors R38 and R39; pin 1 of buzzer is connected respectively diode D12's negative pole with battery positive terminal VBAT +, pin 2 of buzzer is connected respectively diode D12's positive pole with MOS pipe Q6's drain electrode, the source electrode of MOS pipe is ground connection respectively and is connected the one end of resistance R39, MOS pipe Q6's grid is connected respectively the other end of resistance R39 with the one end of resistance R38, the other end of resistance R38 is connected the pin 38 of microprocessor.
8. The wireless acousto-optic positioning terminal of claim 6, wherein the light emitting unit comprises three-color light emitting diodes D9 and D10, triodes Q2, Q3, Q4, Q5, Q7, Q8, resistors R42, R10, R40, R48, R44, R46, R41, R6, R13, R47, R43, R45;
the pin 4, the pin 5 and the pin 6 of the three-color light-emitting diode D9 are connected and then connected with the battery power supply terminal VBAT; a pin 1 of the three-color light emitting diode D9 is connected to one end of the resistor R41, the other end of the resistor R41 is connected to a collector of the transistor Q3, an emitter of the transistor Q3 is grounded, a base of the transistor Q3 is connected to one end of the resistor R42, and the other end of the resistor R42 is connected to a pin 39 of the microprocessor; a pin 2 of the three-color light emitting diode D9 is connected to one end of the resistor R6, the other end of the resistor R6 is connected to a collector of the transistor Q4, an emitter of the transistor Q4 is grounded, a base of the transistor Q4 is connected to one end of the resistor R10, and the other end of the resistor R10 is connected to a pin 21 of the microprocessor; a pin 3 of the three-color light emitting diode D9 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to a collector of the transistor Q5, an emitter of the transistor Q5 is grounded, a base of the transistor Q5 is connected to one end of the resistor R40, and the other end of the resistor R40 is connected to a pin 22 of the microprocessor;
the pin 4, the pin 5 and the pin 6 of the three-color light-emitting diode D10 are connected and then connected with the battery power supply terminal VBAT; a pin 1 of the three-color light emitting diode D10 is connected to one end of the resistor R47, the other end of the resistor R47 is connected to a collector of the transistor Q2, an emitter of the transistor Q2 is grounded, a base of the transistor Q2 is connected to one end of the resistor R48, and the other end of the resistor R48 is connected to a pin 40 of the microprocessor; a pin 2 of the three-color light emitting diode D10 is connected to one end of the resistor R43, the other end of the resistor R43 is connected to a collector of the transistor Q7, an emitter of the transistor Q7 is grounded, a base of the transistor Q7 is connected to one end of the resistor R44, and the other end of the resistor R44 is connected to a pin 41 of the microprocessor; pin 3 of the three-color light emitting diode D10 is connected with one end of the resistor R45, the other end of the resistor R45 is connected with the collector of the triode Q8, the emitter of the triode Q8 is grounded, the base of the triode Q8 is connected with one end of the resistor R46, and the other end of the resistor R46 is connected with the pin 26 of the microprocessor.
9. The wireless acousto-optic positioning terminal of claim 2, wherein the key unit comprises a membrane key SW2 and a resistor R20, pin 1 and pin 3 of the membrane key SW2 are connected to pin 10 of the microprocessor, pin 2 and pin 4 of the membrane key SW2 are connected to one end of the resistor R20, and the other end of the resistor R20 is connected to a 3.3V circuit voltage.
10. The wireless acousto-optic positioning terminal according to claim 2, characterized in that the microprocessor is of the STM32 series model.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116317032A (en) * | 2023-05-17 | 2023-06-23 | 中国人民解放军国防科技大学 | Faraday capacitor electric energy constant power storage and release control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116317032A (en) * | 2023-05-17 | 2023-06-23 | 中国人民解放军国防科技大学 | Faraday capacitor electric energy constant power storage and release control method |
| CN116317032B (en) * | 2023-05-17 | 2024-09-03 | 中国人民解放军国防科技大学 | Faraday capacitor electric energy constant power storage and release control method |
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