CN210534731U - 2.4G folding type touch roller mouse circuit - Google Patents
2.4G folding type touch roller mouse circuit Download PDFInfo
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- CN210534731U CN210534731U CN201921867044.9U CN201921867044U CN210534731U CN 210534731 U CN210534731 U CN 210534731U CN 201921867044 U CN201921867044 U CN 201921867044U CN 210534731 U CN210534731 U CN 210534731U
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Abstract
The utility model discloses a 2.4G folding touch roller mouse circuit, which comprises a main control circuit, a mouse button circuit, a power circuit, a sensor photoelectric circuit, a roller touch circuit, a folding control circuit and a low voltage detection display circuit; the corresponding end of the main control circuit is respectively electrically connected with the mouse button circuit, the power circuit, the sensor photoelectric circuit, the roller touch circuit, the folding control circuit and the low-voltage detection display circuit; the low voltage detection display circuit provides voltage for the main control circuit through the power circuit. The utility model has the advantages of excellent portability, novel design and fashion, adopts a novel RFIC, has high wireless pairing speed, and can reach a wireless working distance of about 10 meters; the touch roller is more scientific than the traditional roller, and the fingers do not have discomfort such as pain when used for a long time; super power saving; the mouse can be optimized and the parameters can be set through a computer tool.
Description
Technical Field
The utility model relates to a bluetooth wireless technology field, in particular to foldable touch roller mouse circuit of 2.4G.
Background
With the increasingly deep popularization of the 2.4GRF wireless technology, a plurality of distinctive products are in endless and are popular with consumers. The existing mouse has short wireless working distance and consumes electricity, most of the existing mice use traditional rollers, and fingers of people feel pain after the existing mice are used for a long time.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a foldable touch roller mouse circuit of 2.4G.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
A2.4G folding touch roller mouse circuit comprises a main control circuit, a mouse button circuit, a power supply circuit, a sensor photoelectric circuit, a roller touch circuit, a folding control circuit and a voltage detection display circuit; the corresponding end of the main control circuit is respectively electrically connected with the mouse button circuit, the power circuit, the sensor photoelectric circuit, the roller touch circuit, the folding control circuit and the low-voltage detection display circuit; the low voltage detection display circuit provides voltage for the main control circuit through the power circuit.
Preferably, the main control circuit is an IC sealed by the MCU and the RFIC, and the main control circuit is set as the DK9860 chip and its peripheral circuits.
Preferably, the 2.4G folding type touch roller mouse circuit further comprises a storage circuit, and the storage circuit is a 24C02-5 chip and a peripheral circuit; the corresponding end of the DK9860 chip is electrically connected with the corresponding end of the 24C02-5 chip, so that the information of the 24C02-5 chip can be read and stored.
Preferably, the roller touch circuit is a PCT1322QK chip, and a corresponding end of the PCT1322QK chip is correspondingly connected with the DK9860 chip; the touch circuit is provided with an ultra-sensitive sensor for sensing finger motion control, can send collected touch data in an I2C mode, and is very suitable for realizing the touch control function of the folding mouse.
Preferably, the folding control circuit comprises a hall switch and a resistor; one end of the Hall switch is electrically connected with one end of the resistor and the corresponding end of the DK9860 chip respectively, and the other end of the Hall switch is grounded; the other end of the resistor is connected with the circuit.
Preferably, the power circuit is configured as a power supply and a voltage regulator circuit; the power supply outputs 2.7V voltage through the voltage stabilizing circuit to supply power to the circuit; the voltage stabilizing circuit is a TB88-2V7 chip and a peripheral circuit thereof, and the power supply is a battery.
Preferably, the voltage detection display circuit comprises a RES1 resistor, an R3 resistor, an R4 resistor, and a diode; one end of the R3 resistor is respectively and electrically connected with the corresponding ends of the RES1 resistor and the DK9860 chip, and the other end of the R3 resistor is grounded; one end of the R4 resistor is respectively and electrically connected with one end of the diode and the corresponding end of the DK9860 chip, and the other end of the diode is grounded.
Preferably, the sensor photo circuit is a sensor photo 3205 and its peripheral circuits, and the corresponding end of the sensor photo 3205 is electrically connected to the DK9860 chip.
Adopt the technical scheme of the utility model, following beneficial effect has: the folding design structure has the advantages of excellent portability, novel design and fashion, the novel RFIC is adopted, the wireless pairing speed is high, and the wireless working distance can reach about 10 meters; the touch roller is more scientific than the traditional roller, and the fingers do not have discomfort such as pain when used for a long time; the power is saved, and two common No. 7 batteries can be used for several months; the mouse can be optimized and the parameters can be set through a computer tool.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a main control circuit of the present invention;
FIG. 3 is a schematic diagram of a mouse button circuit according to the present invention;
FIG. 4 is a schematic diagram of a power circuit of the present invention;
FIG. 5 is a schematic diagram of the sensor photoelectric circuit of the present invention;
FIG. 6 is a schematic diagram of a roller touch circuit according to the present invention;
FIG. 7 is a schematic diagram of a memory circuit according to the present invention;
FIG. 8 is a schematic diagram of a folding control circuit of the present invention;
fig. 9 is a schematic diagram of the low voltage detection display circuit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 2, the present invention provides a 2.4G foldable touch roller mouse circuit, which includes a main control circuit 10, a mouse button circuit 20, a power circuit 30, a sensor photoelectric circuit 40, a roller touch circuit 50, a folding control circuit 70, and a low voltage detection display circuit 80; the corresponding end of the main control circuit 10 is electrically connected with the mouse button circuit 20, the power circuit 30, the sensor photoelectric circuit 40, the roller touch circuit 50, the folding control circuit 70 and the voltage detection display circuit 80 respectively; the low voltage detection display circuit 80 is electrically connected to the power circuit 30, and is used for detecting the power of the power circuit 30.
The main control circuit 10 is an IC sealed by an MCU (Y345) and an RFIC-ssv7241, and is set as a DK9860 chip and its peripheral circuits.
The 2.4G folding type touch roller mouse circuit also comprises a storage circuit 60, and the storage circuit 60 is provided with a 24C02-5 chip and a peripheral circuit; the corresponding end of the DK9860 chip is electrically connected with the corresponding end of the 24C02-5 chip, so that the information of the 24C02-5 chip can be read and stored.
The roller touch circuit 20 is a PCT1322QK chip, and the corresponding end of the PCT1322QK chip is correspondingly connected with the DK9860 chip; the touch circuit is provided with an ultra-sensitive sensor for sensing finger motion control, can send collected touch data in an I2C mode, and is very suitable for realizing the touch control function of the folding mouse.
The folding control circuit 70 comprises a hall switch 701 and a resistor 702; one end of the Hall switch 701 is electrically connected with one end of the resistor 702 and the corresponding end of the DK9860 chip respectively, and the other end of the Hall switch is grounded; the other end of the resistor 702 is connected with a circuit; the hall switch 701 is AH180 in model.
The power circuit 30 is provided with a power supply and a voltage stabilizing circuit; the power supply outputs 2.7V voltage through the voltage stabilizing circuit to supply power to the circuit; the voltage stabilizing circuit is a TB88-2V7 chip and a peripheral circuit thereof, and the power supply is a battery.
The voltage detection display circuit 80 comprises a RES1 resistor 801, an R3 resistor 802, an R4 resistor 803 and a diode 804; one end of the R3 resistor 802 is electrically connected with the corresponding ends of the RES1 resistor 801 and the DK9860 chip respectively, and the other end of the R3 resistor 802 is grounded; one end of the R4 resistor 803 is electrically connected to one end of the diode 804 and the corresponding end of the DK9860 chip, respectively, and the other end of the diode 804 is grounded.
The sensor photoelectric circuit 40 is a sensor photoelectric element 3205 and its peripheral circuits, and the corresponding end of the sensor photoelectric element 3205 is electrically connected to the DK9860 chip
The utility model discloses the theory of operation:
the working principle of the folding mouse hardware is as follows: after the power circuit 30 is powered on, the LDO provides a stable working voltage of 2.7V to the system, and the main MCU obtains pairing information after reading the information ID of the storage circuit 60, and then initializes the roller mouse button circuit 20, the power circuit 30, the sensor photo circuit 40, the roller touch circuit 50, the folding control circuit 70, and the RF circuit in sequence. The system then operates at a basic tempo of 2 ms. The system operates in a time-sharing mode, touch-INT state values are read once every 2ms to obtain roller data, the photoelectric sensor circuit 40 is read once every 8ms to obtain x and y coordinate values, and the key circuit is read once every 32ms to obtain the state values of left, middle and right F4F5 keys and the like of the mouse. The acquired data is sent to an RF-dongle through an RFIC (radio frequency integrated circuit), the data of the low-voltage detection circuit 80 is read every 1s, and if the battery voltage is low, an LED (light emitting diode) can be continuously flickered at regular time to remind a user of replacing the battery; if no action is carried out for 10s, the mouse enters a standby state immediately, and if no action is carried out for 10 minutes, the mouse enters a deep sleep state. Awakening through pressing a key or opening and folding.
The RF part of the folding mouse has more than eighty working frequency points, and each mouse randomly selects four working frequency points to work in turn according to the frequency point ranges of high, medium and low and according to the ID of the mouse, so that various interferences can be effectively avoided when the folding mouse works. The MCU and the RFIC realize two-way communication through a standard four-wire SPI, and whether data are received or not is judged through an IRQ; after the RF circuit transmits the data, it immediately shifts to a reception state to wait for the response data, and if the response data is received, it immediately shifts to an IDLE power saving mode. If the data cannot be received within 2ms, the data is continuously transmitted for five times, if the data cannot be received, the data is switched into a frequency hopping mode, the four frequency points are repeatedly transmitted in turn, if the transmission times exceed 80 times, the data cannot be received, and the mouse directly enters a deep sleep mode.
In terms of hardware, an IC sealed by MCUY345+ RFIC-ssv7241 is adopted to be matched with a built-in PCB antenna, so that the anti-interference performance of RF can be effectively guaranteed.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (8)
1. A2.4G folding touch roller mouse circuit is characterized by comprising a main control circuit, a mouse button circuit, a power supply circuit, a sensor photoelectric circuit, a roller touch circuit, a folding control circuit and a voltage detection display circuit; the corresponding end of the main control circuit is respectively electrically connected with the mouse button circuit, the power circuit, the sensor photoelectric circuit, the roller touch circuit, the folding control circuit and the low-voltage detection display circuit; the low voltage detection display circuit provides voltage for the main control circuit through the power circuit.
2. The 2.4G foldable touch roller mouse circuit of claim 1, wherein the master control circuit is an IC sealed by MCU and RFIC, and the master control circuit is a DK9860 chip and its peripheral circuits.
3. The 2.4G foldable touch roller mouse circuit according to claim 2, wherein the 2.4G foldable touch roller mouse circuit further comprises a memory circuit, the memory circuit is configured as a 24C02-5 chip and peripheral circuit; the corresponding end of the DK9860 chip is electrically connected with the corresponding end of the 24C02-5 chip, so that the information of the 24C02-5 chip can be read and stored.
4. The 2.4G folding touch roller mouse circuit according to claim 3, wherein the roller touch circuit is a PCT1322QK chip, and the corresponding end of the PCT1322QK chip is correspondingly connected with the DK9860 chip.
5. The 2.4G folding touch roller mouse circuit according to claim 4, wherein the folding control circuit comprises a Hall switch, a resistor; one end of the Hall switch is electrically connected with one end of the resistor and the corresponding end of the DK9860 chip respectively, and the other end of the Hall switch is grounded; the other end of the resistor is connected with the circuit.
6. The 2.4G folding touch roller mouse circuit according to claim 1, wherein the power circuit is configured as a power supply and a voltage regulator circuit; the power supply outputs 2.7V voltage through the voltage stabilizing circuit to supply power to the circuit; the voltage stabilizing circuit is a TB88-2V7 chip and a peripheral circuit thereof, and the power supply is a battery.
7. The 2.4G folding touch roller mouse circuit according to claim 5, wherein the voltage detection display circuit comprises a RES1 resistor, an R3 resistor, an R4 resistor, a diode; one end of the R3 resistor is respectively and electrically connected with the corresponding ends of the RES1 resistor and the DK9860 chip, and the other end of the R3 resistor is grounded; one end of the R4 resistor is respectively and electrically connected with one end of the diode and the corresponding end of the DK9860 chip, and the other end of the diode is grounded.
8. The 2.4G foldable touch roller mouse circuit according to claim 7, wherein the sensor photo circuit is a sensor photo 3205 and its peripheral circuits, and the corresponding terminal of the sensor photo 3205 is electrically connected to the DK9860 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867044.9U CN210534731U (en) | 2019-10-31 | 2019-10-31 | 2.4G folding type touch roller mouse circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867044.9U CN210534731U (en) | 2019-10-31 | 2019-10-31 | 2.4G folding type touch roller mouse circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210534731U true CN210534731U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867044.9U Expired - Fee Related CN210534731U (en) | 2019-10-31 | 2019-10-31 | 2.4G folding type touch roller mouse circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210534731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126782A (en) * | 2021-05-06 | 2021-07-16 | 罗小聪 | Method for displaying character information in bullet screen in form of overlapping or adding masking layer |
-
2019
- 2019-10-31 CN CN201921867044.9U patent/CN210534731U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126782A (en) * | 2021-05-06 | 2021-07-16 | 罗小聪 | Method for displaying character information in bullet screen in form of overlapping or adding masking layer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |