CN219642246U - Scanning system capable of being charged wirelessly - Google Patents
Scanning system capable of being charged wirelessly Download PDFInfo
- Publication number
- CN219642246U CN219642246U CN202320093909.0U CN202320093909U CN219642246U CN 219642246 U CN219642246 U CN 219642246U CN 202320093909 U CN202320093909 U CN 202320093909U CN 219642246 U CN219642246 U CN 219642246U
- Authority
- CN
- China
- Prior art keywords
- pin
- chip
- module
- resistor
- full
- 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
- 239000003990 capacitor Substances 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a wirelessly chargeable scanning system, comprising: the scanning gun comprises a scanning gun body and a wireless charging receiving circuit arranged in the scanning gun body; the wireless charging transmitting circuit includes: the first power supply interface is connected with the main control module of the first power supply interface; the full-bridge inversion module is connected with the main control module and the first power supply interface; a transmitting coil connected with the full-bridge inversion module; the first indication module is connected with the main control module; the wireless charging receiving circuit includes: a rechargeable battery, a receiving coil; the receiving coil receiving rectifying module is connected; a fast charging module connecting the receiving rectifying module and the rechargeable battery; the second power supply interface is connected with the quick charging module; and the second indication module is connected with the quick charging module. By implementing the utility model, the scanning system can be rapidly charged, and the transmission efficiency and stability of the wireless charging of the scanning system are improved.
Description
Technical Field
The utility model relates to the technical field of scanning equipment, in particular to a scanning system capable of being charged in a wireless mode.
Background
With the continuous maturity of communication technology, under the background of big data age, people's acquisition and analysis demand to information and data are constantly improved, "sweep the sign indicating number" everywhere, scanner wide application in each trade at present, the prospect is broad. The traditional scanning gun can be divided into a wire scanning gun and a wireless scanning gun according to a data transmission mode, wherein the transmission mode of the wire scanning gun is to perform wire data transmission and power supply through a transmission line; the wireless scanning gun is used for transmitting data through wireless communication, the power supply mode is mostly built-in rechargeable batteries, and the charging mode is mostly used for providing a charging interface on the wireless scanning gun or charging metal contact plates on the wireless scanning gun and a base, so that the wireless scanning gun and the base are in contact with each other for charging.
The wireless scanning gun with the charging interface is required to be frequently plugged and unplugged in the use process, and the interface is extremely easy to damage or poor in contact due to hot plug and unplug. Under the use scene that the code scanning work is carried out while charging is needed, the convenience of the code scanning work by using the wireless scanning gun is greatly reduced due to the constraint of the charging wire; the wireless scanning gun with the charging metal contact piece is also easy to age and oxidize due to frequent hot plug operation in the use process, so that the charging failure and the service life are greatly reduced. And the charging metal contact piece is exposed to the air, so that short circuit and extremely high electrical failure rate occur, and even a certain danger exists in the using process.
Along with the continuous maturity of wireless charging technology, there is also wireless scanning rifle that few charging methods were wireless charging in the present market yet, but is limited by the volume of scanning rifle and the heat loss of the metal contact piece that charges, and wireless charging's charging efficiency is lower, and charging time is longer, greatly reduced user's use experience and production efficiency.
Disclosure of Invention
The utility model aims to provide a scanning system capable of being charged wirelessly.
The technical scheme adopted for solving the technical problems is as follows: a wirelessly chargeable scanning system is configured, comprising: the scanning gun comprises a scanning gun body and a wireless charging receiving circuit arranged in the scanning gun body;
the wireless charging transmitting circuit includes:
a first power supply interface for connecting an external power supply;
the main control module is connected with the first power supply interface and used for generating control signals;
the full-bridge inversion module is connected with the main control module and the first power supply interface and is used for receiving the control signals and generating alternating current;
the transmitting coil is connected with the full-bridge inversion module and used for receiving the alternating current and generating electromagnetic signals;
the first indication module is connected with the main control module and used for indicating the working state of the wireless charging transmitting circuit;
the wireless charging receiving circuit includes:
a rechargeable battery for providing a scan gun operating voltage;
a receiving coil for receiving the electromagnetic signal;
the receiving rectification module is connected with the receiving coil and used for converting the electromagnetic signals into direct current;
the fast charging module is connected with the receiving rectifying module and the rechargeable battery and is used for receiving the direct current to charge the rechargeable battery;
the second power supply interface is connected with the quick charge module and used for providing external power input;
and the second indicating module is connected with the quick charging module and used for indicating the working state of the quick charging module.
Preferably, in the wirelessly chargeable scanning system of the present utility model, the full-bridge inverter module includes a full-bridge inverter chip U1, a resistor R2, a capacitor C1, a capacitor C2, a capacitor C3, and a diode D1;
the first pin, the third pin and the eighteenth pin of the full-bridge inverter chip U1 are all connected with the first end of the resistor R2, the second end of the resistor R2 is connected with the first power supply interface and the nineteenth pin of the full-bridge inverter chip U1, and the fifteenth pin of the full-bridge inverter chip U1 is connected with the enabling signal output end of the main control module;
the fourth pin of the full-bridge inverter chip U1 is connected with the first end of the resistor R1 and the first end of the capacitor C2, the second end of the resistor R2 is connected with the first end of the capacitor C2 and the detection signal input end of the main control module, and the second end of the capacitor C2 is connected with the fifth pin of the full-bridge inverter chip U1;
an eleventh pin of the full-bridge inverter chip U1 is connected with the first end of the transmitting coil and the anode of the diode D1 through the capacitor C3, a cathode of the diode D1 is connected with a fourteenth pin of the full-bridge inverter chip U1 and a detection signal input end of the main control module, and a twelfth pin of the full-bridge inverter chip U1 is connected with the second end of the transmitting coil;
and an eighth pin and a ninth pin of the full-bridge inverter chip U1 are respectively connected with the PWM signal output end of the main control module.
Preferably, in the wirelessly chargeable scanning system of the present utility model, the main control module includes a main control chip U2, wherein a model of the main control chip U2 is CPS8852.
Preferably, in the wirelessly chargeable scanning system according to the present utility model, the first indication module includes a light emitting diode D2, a light emitting diode D3, a resistor R4, and a resistor R3;
the anode of the light emitting diode D2 is connected with the first end of the resistor R4, and the second end of the resistor R4 is connected with a twenty-third pin of the main control chip U2;
the anode of the light emitting diode D3 is connected with the first end of the resistor R3, and the second end of the resistor R3 is connected with the seventeenth pin of the main control chip U2;
the cathode of the light emitting diode D2 and the cathode of the light emitting diode D3 are grounded.
Preferably, in the wirelessly chargeable scanning system according to the present utility model, the first power supply interface includes a connector P1;
the first pin of the connector P1 is grounded, and the second pin of the connector P1 is connected with the first pin and the third pin of the full-bridge inverter chip U1 and the power supply pin of the main control chip U2.
Preferably, in the wirelessly chargeable scanning system of the present utility model, the fast charging module includes a fast charging chip U4, an inductor L2, a resistor R7 and a resistor R8;
the first pin and the third pin of the fast charging chip U4 are connected with the second indicating module, the sixth pin of the fast charging chip U4 is grounded through the resistor R8, the seventh pin of the fast charging chip U4 is connected with the first end of the inductor L2, the fifth pin of the fast charging chip U4 is connected with the first end of the resistor R7, the second end of the inductor L2 and the second end of the resistor R7 are connected with the rechargeable battery, and the eighth pin of the fast charging chip U4 is connected with the second power supply interface and the output end of the rectifying module.
Preferably, in the wirelessly chargeable scanning system according to the present utility model, the second indication module includes a light emitting diode D4, a light emitting diode D5, a resistor R6, and a resistor R5;
the anode of the light emitting diode D4 is connected with the first end of the resistor R6, and the second end of the resistor R6 is connected with the third pin of the quick charge chip U4;
the anode of the light emitting diode D5 is connected with the first end of the resistor R5, and the second end of the resistor R5 is connected with the first pin of the quick charge chip U4;
the cathode of the light emitting diode D4 and the cathode of the light emitting diode D5 are grounded.
Preferably, in the wirelessly chargeable scanning system of the present utility model, the receiving and rectifying module includes an MCU chip U3 and an inductor L1, wherein the model of the MCU chip U3 is EC4026, and a voltage output pin of the MCU chip U3 is connected to an eighth pin of the fast charging chip U4 through the inductor L1.
Preferably, in the wirelessly chargeable scanning system according to the present utility model, the receiving and rectifying module further includes a connector P3 and a capacitor C5;
the connector P3 is configured to connect to the receiving coil, a first pin of the connector P3 is connected to a second pin, a third pin, a fourth pin and a fifth pin of the MCU chip U3 through the capacitor C5, and a second pin of the connector P3 is connected to a twelfth pin, a thirteenth pin, a fourteenth pin and a fifteenth pin of the MCU chip U3.
Preferably, in the wirelessly chargeable scanning system according to the present utility model, the second power supply interface includes a connector P4;
the first pin of the connector P4 is grounded, and the second pin of the connector P4 is connected with the eighth pin of the quick-charging chip U4.
The scanning system capable of being charged in a wireless mode has the following beneficial effects: the quick charging can be realized, and meanwhile, the transmission efficiency and the stability of wireless charging are greatly improved.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a wireless chargeable scanning system according to an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of one embodiment of a wirelessly rechargeable scanning system of the present utility model;
fig. 3 is a schematic circuit diagram of another embodiment of a wirelessly rechargeable scanning system of the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
As shown in fig. 1, in a first embodiment of the wirelessly chargeable scanning system of the present utility model, it comprises: a scanning gun and a base (not shown in the figure), wherein the base comprises a base body and a wireless charging transmitting circuit 110 arranged in the base body, and the scanning gun comprises a scanning gun body and a wireless charging receiving circuit 210 arranged in the scanning gun body; the wireless charging transmission circuit 110 includes: a first power supply interface 111 for connecting an external power supply; a main control module 114 connected to the first power supply interface 111 for generating a control signal; the full-bridge inverter module 112 is connected with the main control module 114 and the first power supply interface 111 and is used for receiving the control signal and generating alternating current; a transmitting coil 113 connected to the full-bridge inverter module 112 for receiving the alternating current and generating an electromagnetic signal; the first indication module 115 is connected to the main control module 114 and is used for indicating the working state of the wireless charging transmitting circuit 110; the wireless charge receiving circuit 210 includes: a rechargeable battery 216 for providing a scan gun operating voltage; a receiving coil 213 for receiving an electromagnetic signal; a receiving rectifier module 212 connected to the receiving coil 213 for converting the electromagnetic signal into direct current; a fast charging module 214 connected to the receiving rectification module 212 and the rechargeable battery 216 for receiving the direct current to charge the rechargeable battery 216; a second power supply interface 211 connected to the fast charging module 214 for providing an external power input; the second indication module 215 is connected to the fast charging module 214 and is configured to indicate an operating state of the fast charging module 214.
Specifically, the scanning system includes a base and a scanning gun, and after the scanning gun and the base are matched, the wireless charging receiving circuit 210 in the scanning gun body can be charged through the wireless charging transmitting circuit 110 in the base body. In the wireless charging transmitting circuit 110, an external power source is connected through a first power supply interface 111, the main control module 114 supplies power through the first power supply interface 111, and a corresponding control signal is generated in the working process of the main control module 114. The full-bridge inverter module 112 is connected to the first power supply interface 111, and converts the input power of the first power supply interface 111 according to the control signal of the main control module 114 to obtain an alternating current, and the alternating current generates an electromagnetic signal, that is, electromagnetic waves, through the transmitting coil 113 to perform space energy transmission. In the wireless charging transmitting circuit 110, the first indicating module 115 may generate indicating information according to the control level of the main control module 114 to indicate the working state of the wireless charging transmitting circuit 110. In the wireless charging receiving circuit 210, the receiving coil 213 receives the electromagnetic wave generated by the transmitting coil 113 and generates an electric signal correspondingly, the receiving rectifying module 212 rectifies the electric signal to obtain a direct current output, the direct current output is used as power supply of the quick charging module 214, the quick charging module 214 charges the rechargeable battery 216, and the quick charging module 214 outputs a control level to control the second indicating module 215 to generate indication information, and the indication information indicates the working state of the quick charging module 214.
It will also be appreciated that the scan gun body is provided with a scan operating circuit which is powered by a rechargeable battery to perform normal scan operations.
Optionally, as shown in fig. 2, the full-bridge inverter module 112 includes a full-bridge inverter chip U1, a resistor R2, a capacitor C1, a capacitor C2, a capacitor C3, and a diode D1; the first pin, the third pin and the eighteenth pin of the full-bridge inverter chip U1 are all connected with the first end of a resistor R2, the second end of the resistor R2 is connected with the first power supply interface 111 and the nineteenth pin of the full-bridge inverter chip U1, and the fifteenth pin of the full-bridge inverter chip U1 is connected with the enabling signal output end of the main control module 114; the fourth pin of the full-bridge inverter chip U1 is connected with the first end of the resistor R1 and the first end of the capacitor C2, the second end of the resistor R2 is connected with the first end of the capacitor C2 and the detection signal input end of the main control module 114, and the second end of the capacitor C2 is connected with the fifth pin of the full-bridge inverter chip U1; an eleventh pin of the full-bridge inverter chip U1 is connected with the first end of the transmitting coil 113 and the anode of the diode D1 through the capacitor C3, a cathode of the diode D1 is connected with a fourteenth pin of the full-bridge inverter chip U1 and the detection signal input end of the main control module 114, and a twelfth pin of the full-bridge inverter chip U1 is connected with the second end of the transmitting coil 113; the eighth pin and the ninth pin of the full-bridge inverter chip U1 are respectively connected to PWM signal output ends of the main control module 114. Specifically, the full-bridge inverter chip U1 may be a chip with an MOS transistor having an extremely low internal resistance integrated therein. The fifteenth pin of the full-bridge inverter chip U1 is connected to the enable signal output end of the main control module 114, and can control the operation of the full-bridge inverter chip U1 through signals when the enable signal is output by the main control module 114. One end of the resistor R2 is connected with the first pin and the third pin of the full-bridge inverter chip U1, and the other end of the resistor R2 can be connected with an external power supply VBUS through the first power supply interface 111. Meanwhile, two ends of the resistor R2 are respectively connected with a nineteenth pin and an eighteenth pin of the full-bridge inverter chip U1 to form an input sampling circuit of an external power supply.
One end of the resistor R1 is connected with a fourth pin of the full-bridge inverter chip U1, the other end of the resistor R1 is grounded through the capacitor C1, and meanwhile, a fifth pin of the full-bridge inverter chip U1 is connected with a detection signal input end of the main control module 114 through the capacitor C2 to form an output sampling circuit of the full-bridge inverter chip U1. The detection signal input terminal of the main control module 114 may output a control signal according to the obtained sampling signal.
Twelve pins of the full-bridge inverter chip U1 are connected with one end of the transmitting coil 113, eleven pins of the full-bridge inverter chip U1 are connected with the other end of the transmitting coil 113 through a capacitor C3, the capacitor C3 and the transmitting coil 113 form a resonant circuit, a high-frequency sine wave signal is generated, and the transmitting coil 113 emits high-frequency electromagnetic waves in an induction area. Meanwhile, one end of the capacitor C3 connected with the transmitting coil 113 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with fourteen pins of the full-bridge inverter chip U1 and the detecting signal input end of the main control module 114, and at the moment, the full-bridge inverter chip U1 and the main control module 114 obtain a voltage signal of the transmitting coil 113 according to the output of the diode D1. Wherein diode D1 is used for protection against current reverse flow. In an embodiment, the transmitting coil 113 may be connected to a corresponding circuit in the full-bridge inverter module 112 through the connector P2.
The eighth pin and the ninth pin of the full-bridge inverter chip U1 and the PWM signal output end of the main control module 114 drive the full-bridge inverter chip U1 to work through PWM driving signals output by the main control module 114. In one embodiment, the full-bridge inverter chip U1 is model XK711.
Optionally, the main control module 114 includes a main control chip U2, where the model of the main control chip U2 is CPS8852. The input or output of various signals is realized through the main control chip U2. The chip can be compatible with fast charging protocol data communication, adjusts the output power of the full-bridge inverter chip U1, and improves the electric energy transmission efficiency and safety.
Optionally, the first indication module 115 includes a light emitting diode D2, a light emitting diode D3, a resistor R4, and a resistor R3; the anode of the light-emitting diode D2 is connected with the first end of the resistor R4, and the second end of the resistor R4 is connected with a twenty-third pin of the main control chip U2; the anode of the light-emitting diode D3 is connected with the first end of the resistor R3, and the second end of the resistor R3 is connected with the seventeenth pin of the main control chip U2; the cathode of the light emitting diode D2 and the cathode of the light emitting diode D3 are grounded. Specifically, the seventeenth pin of the main control chip U2 is connected to the light emitting diode D2 through the current limiting resistor R4, and the control level output by the seventeenth pin of the main control chip U2 drives the light emitting diode D2 to work. The twenty-third pin of the main control chip U2 is connected with the light-emitting diode D3 through the current-limiting resistor R3, and the control level output by the twenty-third pin of the main control chip U2 drives the light-emitting diode D3 to work.
Optionally, the first power supply interface 111 includes a connector P1; the first pin of the connector P1 is grounded, and the second pin of the connector P1 is connected with the first pin and the third pin of the full-bridge inverter chip U1 and the power supply pin of the main control chip U2. Specifically, the first power supply interface 111 may be a connector P1, that is, an external power source may be connected through the connector P1, where the ground pins of the full-bridge inverter chip U1 and the main control chip U2 are both connected to the first pin of the connector P1, so as to implement the common ground of the whole circuit.
Optionally, as shown in fig. 3, the fast charging module 214 includes a fast charging chip U4, an inductor L2, a resistor R7, and a resistor R8; the first pin and the third pin of the fast charge chip U4 are connected with the second indication module 215, the sixth pin of the fast charge chip U4 is grounded through a resistor R8, the seventh pin of the fast charge chip U4 is connected with the first end of an inductor L2, the fifth pin of the fast charge chip U4 is connected with the first end of a resistor R7, the second end of the inductor L2 and the second end of the resistor R7 are connected with the rechargeable battery 216, and the eighth pin of the fast charge chip U4 is connected with the second power supply interface 211 and the output end of the rectifying module. Specifically, the fast charging chip U4 may be a charging chip that is internally integrated with a MOS transistor with extremely low internal resistance and simultaneously can support charging with a large current, for example, can support 3A charging current. The fast charging chip U4 may be powered by an external power source through the second power supply interface 211, and may also be powered based on the output of the rectifying module. The output of the fast charging chip U4 is input to the rechargeable battery 216 through the inductor L2 to charge the rechargeable battery 216. In one embodiment, the rechargeable battery 216 may be connected to the power pin of the fast charging chip U4 through the connector P5. In one embodiment, the model number of the quick charge chip U4 is IP2312U.
Optionally, the second indication module 215 includes a light emitting diode D4, a light emitting diode D5, a resistor R6, and a resistor R5; the anode of the light-emitting diode D4 is connected with the first end of the resistor R6, and the second end of the resistor R6 is connected with the third pin of the quick-charging chip U4; the anode of the light-emitting diode D5 is connected with the first end of the resistor R5, and the second end of the resistor R5 is connected with the first pin of the quick-charging chip U4; the cathode of the light emitting diode D4 and the cathode of the light emitting diode D5 are grounded. Specifically, the first pin of the fast charging chip U4 is connected to the light emitting diode D5 through the current limiting resistor R5, and the control level output by the first pin of the fast charging chip U4 drives the light emitting diode D5 to work. The third pin of the fast charging chip U4 is connected with the light emitting diode D4 through the current limiting resistor R6, and the control level output by the third pin of the fast charging chip U4 drives the light emitting diode D4 to work. The operating state and the battery state of charge when the battery is charged can be indicated by the light emitting diode D4 and the light emitting diode D5.
Optionally, the receiving rectifier module 212 includes an MCU chip U3 and an inductor L1, where the model of the MCU chip U3 is EC4026, and a voltage output pin of the MCU chip U3 is connected to an eighth pin of the fast charging chip U4 through the inductor L1. Specifically, the MCU chip U3 is internally integrated with an MOS tube with extremely low internal resistance to form a synchronous rectification circuit, so as to be an MCU chip for wireless charging and receiving. The twelfth pin of the MCU chip U3 is connected with the forty-ninth pin, the fifty-first pin and the fifty-first pin of the MCU chip through a capacitor C10, then one end of the power inductor L1 is connected, and output is provided through the other end of the power inductor L1. Meanwhile, a forty-eighth pin of the MCU chip U3 is connected with the output end of the power inductor L1. The MCU chip U3 is internally provided with a BUCK circuit, and the output voltage VOUT can be set through programming so as to meet different application scenes.
Optionally, the receiving rectifier module 212 further includes a connector P3 and a capacitor C5; the connector P3 is used for connecting the receiving coil 213, the first pin of the connector P3 is connected to the second pin, the third pin, the fourth pin and the fifth pin of the MCU chip U3 through the capacitor C5, and the second pin of the connector P3 is connected to the twelfth pin, the thirteenth pin, the fourteenth pin and the fifteenth pin of the MCU chip U3. Specifically, the first pin and the sixth pin of the MCU chip U3 are connected to the second pin, the third pin, the fourth pin and the fifth pin thereof through the capacitor C6 and the capacitor C9, respectively. The eleventh pin and the sixteenth pin of the MCU chip U3 are simultaneously connected with the twelfth pin, the thirteenth pin, the fourteenth pin and the fifteenth pin of the MCU chip through a capacitor C7 and a capacitor C8 respectively. The receiving coil 213 may be connected to a connector P3, a first pin of the connector P3 is connected to a second pin of the MCU chip U3 through a capacitor C5, a second pin of the connector P3 is connected to a tenth pin of the MCU chip U3, and the connector P3 is connected to the receiving coil 213 to form an LC resonant circuit, so as to receive the high-frequency electromagnetic wave emitted by the transmitting coil 113, generate a high-frequency sine wave signal, and the MCU chip U3 receives and converts the alternating current into direct current.
Optionally, the second power supply interface 211 includes a connector P4; the first pin of the connector P4 is grounded, and the second pin of the connector P4 is connected to the eighth pin of the quick-charging chip U4. Specifically, the second power supply interface 211 may include a connector P4, i.e., an external power supply is connected through the connector P4. The grounding pins of the quick charge chip U4 and the MCU chip U3 are connected to the first pin of the connector P4, so that the whole circuit is commonly grounded.
The scanning system capable of being charged wirelessly can support two different charging modes of wireless charging and wired charging through the wired power supply interface and the wireless charging interface, and improves the use experience of a user so as to meet different application scenes. Meanwhile, in the embodiment, the receiving rectifier module 212 is connected with the fast charging module 214 and is not directly connected with the rechargeable battery 216, because the fast charging module 214 is used for recharging the rechargeable battery 216, the charging current of the fast charging module 214 can be adjusted in real time in different charging stages according to the charging current adjusting design, and the service life of the battery is prolonged.
It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A wirelessly chargeable scanning system, comprising: the scanning gun comprises a scanning gun body and a wireless charging receiving circuit arranged in the scanning gun body;
the wireless charging transmitting circuit includes:
a first power supply interface for connecting an external power supply;
the main control module is connected with the first power supply interface and used for generating control signals;
the full-bridge inversion module is connected with the main control module and the first power supply interface and is used for receiving the control signals and generating alternating current;
the transmitting coil is connected with the full-bridge inversion module and used for receiving the alternating current and generating electromagnetic signals;
the first indication module is connected with the main control module and used for indicating the working state of the wireless charging transmitting circuit;
the wireless charging receiving circuit includes:
a rechargeable battery for providing a scan gun operating voltage;
a receiving coil for receiving the electromagnetic signal;
the receiving rectification module is connected with the receiving coil and used for converting the electromagnetic signals into direct current;
the fast charging module is connected with the receiving rectifying module and the rechargeable battery and is used for receiving the direct current to charge the rechargeable battery;
the second power supply interface is connected with the quick charge module and used for providing external power input;
and the second indicating module is connected with the quick charging module and used for indicating the working state of the quick charging module.
2. The wirelessly chargeable scanning system of claim 1, wherein the full-bridge inverter module comprises a full-bridge inverter chip U1, a resistor R2, a capacitor C1, a capacitor C2, a capacitor C3, and a diode D1;
the first pin, the third pin and the eighteenth pin of the full-bridge inverter chip U1 are all connected with the first end of the resistor R2, the second end of the resistor R2 is connected with the first power supply interface and the nineteenth pin of the full-bridge inverter chip U1, and the fifteenth pin of the full-bridge inverter chip U1 is connected with the enabling signal output end of the main control module;
the fourth pin of the full-bridge inverter chip U1 is connected with the first end of the resistor R1 and the first end of the capacitor C2, the second end of the resistor R2 is connected with the first end of the capacitor C2 and the detection signal input end of the main control module, and the second end of the capacitor C2 is connected with the fifth pin of the full-bridge inverter chip U1;
an eleventh pin of the full-bridge inverter chip U1 is connected with the first end of the transmitting coil and the anode of the diode D1 through the capacitor C3, a cathode of the diode D1 is connected with a fourteenth pin of the full-bridge inverter chip U1 and a detection signal input end of the main control module, and a twelfth pin of the full-bridge inverter chip U1 is connected with the second end of the transmitting coil;
and an eighth pin and a ninth pin of the full-bridge inverter chip U1 are respectively connected with the PWM signal output end of the main control module.
3. The wirelessly chargeable scanning system of claim 2, wherein the master control module comprises a master control chip U2, wherein the master control chip U2 is of the type CPS8852.
4. The wirelessly chargeable scanning system of claim 3, wherein the first indication module comprises a light emitting diode D2, a light emitting diode D3, a resistor R4, and a resistor R3;
the anode of the light emitting diode D2 is connected with the first end of the resistor R4, and the second end of the resistor R4 is connected with a twenty-third pin of the main control chip U2;
the anode of the light emitting diode D3 is connected with the first end of the resistor R3, and the second end of the resistor R3 is connected with the seventeenth pin of the main control chip U2;
the cathode of the light emitting diode D2 and the cathode of the light emitting diode D3 are grounded.
5. A wirelessly chargeable scanning system according to claim 3, wherein the first power supply interface comprises a connector P1;
the first pin of the connector P1 is grounded, and the second pin of the connector P1 is connected with the first pin and the third pin of the full-bridge inverter chip U1 and the power supply pin of the main control chip U2.
6. The wirelessly chargeable scanning system of claim 1, wherein the fast charge module comprises a fast charge chip U4, an inductance L2, a resistance R7, and a resistance R8;
the first pin and the third pin of the fast charging chip U4 are connected with the second indicating module, the sixth pin of the fast charging chip U4 is grounded through the resistor R8, the seventh pin of the fast charging chip U4 is connected with the first end of the inductor L2, the fifth pin of the fast charging chip U4 is connected with the first end of the resistor R7, the second end of the inductor L2 and the second end of the resistor R7 are connected with the rechargeable battery, and the eighth pin of the fast charging chip U4 is connected with the second power supply interface and the output end of the rectifying module.
7. The wirelessly chargeable scanning system of claim 6, wherein the second indication module comprises a light emitting diode D4, a light emitting diode D5, a resistor R6, and a resistor R5;
the anode of the light emitting diode D4 is connected with the first end of the resistor R6, and the second end of the resistor R6 is connected with the third pin of the quick charge chip U4;
the anode of the light emitting diode D5 is connected with the first end of the resistor R5, and the second end of the resistor R5 is connected with the first pin of the quick charge chip U4;
the cathode of the light emitting diode D4 and the cathode of the light emitting diode D5 are grounded.
8. The wirelessly chargeable scanning system of claim 6, wherein the receiving rectifier module comprises an MCU chip U3 and an inductor L1, wherein the MCU chip U3 is EC4026, and a voltage output pin of the MCU chip U3 is connected to an eighth pin of the fast charging chip U4 via the inductor L1.
9. The wirelessly chargeable scanning system of claim 8, wherein the receive rectification module further comprises a connector P3 and a capacitor C5;
the connector P3 is configured to connect to the receiving coil, a first pin of the connector P3 is connected to a second pin, a third pin, a fourth pin and a fifth pin of the MCU chip U3 through the capacitor C5, and a second pin of the connector P3 is connected to a twelfth pin, a thirteenth pin, a fourteenth pin and a fifteenth pin of the MCU chip U3.
10. The wirelessly chargeable scanning system of claim 8, wherein the second power interface comprises connector P4;
the first pin of the connector P4 is grounded, and the second pin of the connector P4 is connected with the eighth pin of the quick-charging chip U4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093909.0U CN219642246U (en) | 2023-01-31 | 2023-01-31 | Scanning system capable of being charged wirelessly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093909.0U CN219642246U (en) | 2023-01-31 | 2023-01-31 | Scanning system capable of being charged wirelessly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642246U true CN219642246U (en) | 2023-09-05 |
Family
ID=87813376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320093909.0U Active CN219642246U (en) | 2023-01-31 | 2023-01-31 | Scanning system capable of being charged wirelessly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642246U (en) |
-
2023
- 2023-01-31 CN CN202320093909.0U patent/CN219642246U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205195374U (en) | Electric clipper that charges that inductive coupling high efficiency is wireless | |
| CN102868232A (en) | Magnetic resonance wireless charging device | |
| CN202103463U (en) | Magnetic resonance wireless charging device | |
| CN106787265B (en) | A kind of wireless charging device | |
| CN104810907B (en) | Magnetic coupling resonant type wireless electric energy charging device for rechargeable battery of electrically propelled wheelchair | |
| CN109546757A (en) | A kind of wireless charging cart system | |
| CN219642246U (en) | Scanning system capable of being charged wirelessly | |
| CN102723747A (en) | A battery charging circuit and an illuminating lamp | |
| US20180331558A1 (en) | Wireless charging device, system, and method based on back cover mobile power supply | |
| CN201877870U (en) | Portable wireless charging system | |
| CN205283221U (en) | Fill by force and fill portable power source soon | |
| CN216216103U (en) | Wireless energy storage device and wireless electrical equipment | |
| CN201063243Y (en) | Rechargeable portable wireless U disk | |
| CN205595905U (en) | Difunctional adjustable wireless power transmission device | |
| WO2022161115A1 (en) | Power source adapter, mobile phone self-service quick-charging system and quick-charging use method | |
| CN204258418U (en) | The dual-purpose wireless charger of a kind of photoelectric intelligent | |
| CN109217412A (en) | A kind of crusing robot wireless charging device and method based on magnetic resonance | |
| CN201204235Y (en) | Electromagnetic inductive mobile phone charger | |
| CN206293924U (en) | Portable power source | |
| CN219041416U (en) | Safe energy-saving charger circuit | |
| CN205095137U (en) | Infusion set with wireless function of charging | |
| CN204859268U (en) | Handheld terminal protective housing with stand -by power supply | |
| CN216720960U (en) | Energy storage power supply | |
| CN216904687U (en) | PLC power supply driving device | |
| CN2762420Y (en) | Radio charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |