CN219848109U - Mahjong machine with wireless function of charging of cell-phone - Google Patents
Mahjong machine with wireless function of charging of cell-phone Download PDFInfo
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- CN219848109U CN219848109U CN202321356827.7U CN202321356827U CN219848109U CN 219848109 U CN219848109 U CN 219848109U CN 202321356827 U CN202321356827 U CN 202321356827U CN 219848109 U CN219848109 U CN 219848109U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 80
- 238000009423 ventilation Methods 0.000 claims description 49
- 239000013078 crystal Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000005669 field effect Effects 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a mahjong machine with a wireless mobile phone charging function, which belongs to the technical field of mahjong machines and comprises a mahjong machine body, a wireless charging cavity arranged on the side surface of the mahjong machine body and a heat dissipation device arranged adjacent to the wireless charging cavity.
Description
Technical Field
The utility model belongs to the technical field of mahjong machines, and particularly relates to a mahjong machine with a wireless mobile phone charging function.
Background
The existing full-automatic mahjong machine integrates the functions of shuffling, dice throwing and the like, and provides great convenience for people to deal with the cards. The existing mahjong machine is generally provided with a storage box or a cavity for storing mobile phones, so that people can conveniently use and collect the mobile phones when playing cards, but the situation that the mobile phones are out of electricity often occurs in the playing card process. People often do not carry a charger or use the mobile phone to charge the mobile phone elsewhere, which is inconvenient and easy to lose. Based on the fact that most of existing mobile phones have a wireless charging function, the mahjong machine with the wireless charging function provides convenience for charging for people.
Disclosure of Invention
Aiming at the defects in the prior art, the mahjong machine with the wireless charging function of the mobile phone solves the problem that the existing mahjong machine cannot be charged.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a mahjong machine with a wireless mobile phone charging function comprises a mahjong machine body, a wireless charging cavity arranged on the side surface of the mahjong machine body and a heat dissipation device arranged adjacent to the wireless charging cavity;
the bottom surface of the wireless charging cavity is embedded with a wireless charging circuit, a ventilation cavity is arranged below the wireless charging circuit, the ventilation cavity is communicated to the air inlet end of the heat dissipation device, and the air outlet end of the heat dissipation device is far away from the mahjong machine body;
the heat dissipation device comprises a heat dissipation cavity, a heat dissipation fan and a first ventilation opening, wherein the heat dissipation cavity is arranged adjacent to the wireless charging cavity, one surface of the heat dissipation cavity is flush with the side surface of the mahjong machine body, the heat dissipation fan is embedded on one surface of the wireless charging cavity flush with the side surface of the mahjong machine body, and the blowing wind direction of the heat dissipation fan is from the inside to the outside of the heat dissipation cavity; the first ventilation opening is arranged on the adjacent surface of the heat dissipation cavity and the wireless charging cavity, and the wireless charging cavity is communicated into the heat dissipation cavity through the first ventilation opening;
one side of the ventilation cavity is flush with the side face of the mahjong machine body, a second ventilation opening is formed in the side face of the ventilation cavity flush with the side face of the mahjong machine body, the ventilation cavity is communicated to the outside of the mahjong machine body through the second ventilation opening, a third ventilation opening is formed in the bottom of the heat dissipation cavity, and the ventilation cavity is communicated to the inside of the heat dissipation cavity through the third ventilation opening.
Further, the wireless charging circuit comprises a heat dissipation module, a control module, a driving module, an inversion module, a transmitting module, a first power supply module, a second power supply module and a third power supply module;
the control module is respectively and electrically connected with the heat dissipation module and the driving module, the driving module is electrically connected with the inversion module, the inversion module is electrically connected with the emission module, the first power module and the third power module are respectively and electrically connected with the mains supply, the third power module is electrically connected with the heat dissipation module, the first power module is respectively and electrically connected with the second power module and the inversion module, and the second power module is respectively and electrically connected with the heat dissipation module, the control module and the driving module.
Further, the control module adopts a singlechip as a main control chip.
Further, a minimum system circuit is arranged on the main control chip, and the minimum system circuit comprises a crystal oscillator circuit and a reset circuit.
Further, the driving module comprises a driving chip U2 with the model number TPS28225, and a PWM pin of the driving chip U2 is connected with a first IO port of the main control chip; and an output pin of the driving chip U2 is connected with an input end of the inverter circuit.
Further, the inverter module is configured as a half-bridge inverter circuit, an input end of the half-bridge inverter circuit is connected with an output pin of the driving chip U2, and an output end of the half-bridge inverter circuit is connected with an input end of the transmitting module.
Further, the transmitting module is arranged as a parallel resonant circuit, the input end of the parallel resonant circuit is connected with the output end of the half-bridge inverter circuit, and the parallel resonant circuit outputs electric energy wirelessly.
Further, the heat dissipation module comprises a relay driving circuit, a relay and a heat dissipation fan controlled by the relay to open and close, wherein the input end of the relay driving circuit is connected with a second IO port of the main control chip, the output end of the relay driving circuit is connected with a coil end of the relay, and the switch end of the relay is arranged on a power line of the heat dissipation fan.
The utility model provides a mahjong machine with a wireless mobile phone charging function, which comprises a mahjong machine body, a wireless charging cavity arranged on the side surface of the mahjong machine body and a heat dissipation device arranged adjacent to the wireless charging cavity, wherein the mahjong machine can charge collection with the wireless charging function, and the mahjong machine is convenient, meanwhile, the loss of mobile phones of people is avoided, and the heat dissipation device can realize active heat dissipation so as to take away heat generated in the wireless charging process and ensure the safety of wireless charging.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a mahjong machine with a wireless charging function of a mobile phone according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a wireless charging cavity and a heat dissipating device according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of an air duct of a ventilation cavity according to an embodiment of the present utility model.
Fig. 4 is a circuit diagram of a wireless charging circuit according to an embodiment of the present utility model.
Fig. 5 is a circuit diagram of a control module according to an embodiment of the present utility model.
Fig. 6 is a circuit diagram of a reset circuit according to an embodiment of the present utility model.
Fig. 7 is a circuit diagram of a driving module, an inverter module and a transmitting module according to an embodiment of the present utility model.
Fig. 8 is a circuit diagram of a heat dissipation module according to an embodiment of the utility model.
Wherein: the mahjong machine comprises a 1-mahjong machine body, a 2-wireless charging cavity, a 3-heat radiating device, a 4-heat radiating cavity, a 5-first ventilation opening, a 6-heat radiating fan, a 7-ventilation cavity, an 8-wireless charging circuit, a 9-third ventilation opening and a 10-second ventilation opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model as detailed in the accompanying claims.
As shown in fig. 1, 2 and 3, the mahjong machine with the wireless charging function comprises a mahjong machine body 1, a wireless charging cavity 2 arranged on the side surface of the mahjong machine body 1 and a heat dissipation device 3 arranged adjacent to the wireless charging cavity 2. The wireless charging circuit 8 is inlayed to the bottom surface in wireless charging chamber 2, and is provided with ventilation cavity 7 below wireless charging circuit 8, and ventilation cavity 7 communicates to heat abstractor 3's air inlet end, and heat abstractor 3's air-out end is kept away from mahjong machine body 1. The heat dissipation device 3 comprises a heat dissipation cavity 4, a heat dissipation fan 6 and a first ventilation opening 5, wherein the heat dissipation cavity 4 is arranged adjacent to the wireless charging cavity 2, one surface of the heat dissipation cavity 4 is flush with the side surface of the mahjong machine body 1, the heat dissipation fan 6 is embedded in one surface of the wireless charging cavity 2 flush with the side surface of the mahjong machine body 1, and the blowing wind direction of the heat dissipation fan 6 is from the inside to the outside of the heat dissipation cavity 4. The first ventilation opening 5 is arranged on the adjacent surface of the heat dissipation cavity 4 and the wireless charging cavity 2, and the wireless charging cavity 2 is communicated into the heat dissipation cavity 4 through the first ventilation opening 5. One face of ventilation cavity 7 flushes with mahjong machine body 1 side, and is provided with second ventilation opening 10 on the one side that ventilation cavity 7 flushes with mahjong machine body 1 side, ventilation cavity 7 communicates to the outside of mahjong machine body 1 through second ventilation opening 10, and the bottom of heat dissipation cavity 4 is provided with third ventilation opening 9, and ventilation cavity 7 communicates to the inside of heat dissipation cavity 4 through third ventilation opening 9.
In the prior art, the mahjong machine is a very mature prior art, but the existing mahjong machine is provided with an object storage box or a mobile phone storage cavity only on the side face of the mahjong machine main body, and a large free space still exists on the side face of the mahjong machine main body and can be used for setting related devices for wireless charging so as to solve the problem that the existing mahjong machine is inconvenient because wireless charging does not exist. The mahjong machine main body is a conventional prior art, and the embodiment of the utility model is not repeated.
As shown in fig. 2, because the blowing wind direction of the cooling fan 6 is from the inside to the outside of the cooling cavity 4, when the cooling fan 6 blows outwards, air in the wireless charging cavity 2 is sucked from the first ventilation opening 5, so that heat generated by charging the mobile phone in the wireless charging cavity 2 can be taken away, and heat dissipation in the charging process is realized.
As shown in fig. 3, the wireless charging circuit 8 is disposed below the wireless charging cavity 2, i.e. located inside the mahjong machine body 1, so that a large amount of heat may be generated during the wireless charging process, and if the heat is not timely taken away, the service life of the wireless charging circuit 8 may be not long. Through setting up second ventilation opening 10 and third ventilation opening 9, when radiator fan 6 is in operation, take in cold wind from second ventilation opening 10, take in the inside of heat dissipation cavity 4 with the hot-blast wind from third ventilation opening 9, take out the hot-blast of heat dissipation cavity 4 by radiator fan 6 again to realize the heat dissipation to wireless charging circuit 8.
According to the utility model, through planning the air duct, the wireless charging circuit 8 and the heat dissipation in the mobile phone charging process can be completed by using one heat dissipation fan 6, so that the problem of heat accumulation in the wireless charging process is avoided.
As shown in fig. 4, the wireless charging circuit 8 includes a heat dissipation module, a control module, a driving module, an inversion module, a transmitting module, a first power module, a second power module, and a third power module. The control module is respectively and electrically connected with the heat dissipation module and the driving module, the driving module is electrically connected with the inversion module, the inversion module is electrically connected with the emission module, the first power module and the third power module are electrically connected with the mains supply, the third power module is electrically connected with the heat dissipation module, the first power module is respectively and electrically connected with the second power module and the inversion module, and the second power module is respectively and electrically connected with the heat dissipation module, the control module and the driving module.
Alternatively, since the mahjong machine has four directions, four wireless charging circuits 8 may be provided to realize wireless charging functions of the directions.
In this embodiment, the control module uses a single-chip microcomputer as the main control chip.
As shown in fig. 5, the model adopted by the main control chip U1 in this embodiment may be set to STM32F103C8T6.
In this embodiment, a minimum system circuit is disposed on the main control chip, and the minimum system circuit includes a crystal oscillator circuit and a reset circuit.
In this embodiment, the crystal oscillator circuit may include a crystal oscillator Y1, a grounding capacitor C1 and a grounding capacitor C2, where a PD0 pin of the main control chip U1 is connected to one end of the crystal oscillator Y1 and the grounding capacitor C1, and a PD1 pin of the main control chip U1 is connected to the other end of the crystal oscillator Y1 and the grounding capacitor C2.
As shown in fig. 6, the reset circuit may include a resistor R4, a grounding capacitor C8, and a reset button SW1, where one end of the reset button SW1 is grounded, and the other end of the reset button SW1 is connected to the grounding capacitor C5, one end of the resistor R4, and the NRST pin of the main control chip U1, and the other end of the resistor R4 is connected to +3.3v voltage.
As shown in fig. 7, the driving module includes a driving chip U2 with a model number TPS28225, and a PWM pin of the driving chip U2 is connected to a first IO port of the main control chip. The output pin of the driving chip U2 is connected with the input end of the inverter circuit.
Optionally, the first IO port of the main control chip U1 may be set to a PB10 pin thereof, the PWM pin of the driving chip U2 is connected to the PB10 pin of the main control chip U1, and the output pin of the driving chip U2 may be set to a UGATE pin, a PHASE pin, and an LGATE pin thereof.
In this embodiment, the inverter module is configured as a half-bridge inverter circuit, an input end of the half-bridge inverter circuit is connected to an output pin of the driving chip U2, and an output end of the half-bridge inverter circuit is connected to an input end of the transmitting module.
Optionally, the half-bridge inverter circuit may include a field effect transistor Q1 and a field effect transistor Q2, where a drain electrode of the field effect transistor Q1 is connected to +15v voltage through a resistor R7, a gate electrode of the field effect transistor Q1 is electrically connected to a UGATE pin of the driving chip U2, a source electrode of the field effect transistor Q1 is connected to a PHASE pin of the driving chip U2 and a drain electrode of the field effect transistor Q2, a gate electrode of the field effect transistor Q2 is connected to an LGATE pin of the driving chip U2, and a source electrode of the field effect transistor Q2 is grounded. The source electrode of the field effect transistor Q1, the grid electrode of the field effect transistor Q1 and the grid electrode of the field effect transistor Q2 are used as input ends of the half-bridge inverter circuit together. The source electrode of the field effect transistor Q1 is used as the output end of the half-bridge inverter circuit.
In this embodiment, the transmitting module is configured as a parallel resonant circuit, an input end of the parallel resonant circuit is connected to an output end of the half-bridge inverter circuit, and the parallel resonant circuit outputs electric energy wirelessly.
Optionally, the parallel resonant circuit includes a capacitor C10 and an inductor L1, one end of the inductor L1 is used as an input end of the parallel resonant circuit, one end of the inductor L1 is connected to one end of a grounding capacitor C10 and one end of a resistor R10, the other end of the resistor R10 is connected to a source electrode of the field effect transistor Q1, and the other end of the inductor L1 is grounded. The main control chip U1 generates PWM with resonance frequency as a signal source of the inversion module, the driving chip U2 converts the PWM signal into a driving signal of the field effect transistor to drive the half-bridge inversion circuit to work, and the alternating current power signal generated by the inversion module is transmitted out in a magnetic coupling mode after passing through the parallel resonance circuit.
In this embodiment, the heat dissipation module includes a relay driving circuit, a relay and a heat dissipation fan controlled by the relay to open and close, an input end of the relay driving circuit is connected with a second IO port of the main control chip, an output end of the relay driving circuit is connected with a coil end of the relay, and a switch end of the relay is disposed on a power line of the heat dissipation fan.
As shown in fig. 8, the relay driving module includes a photo coupler OP1 with a model TLP521, and a triode Q3, where the positive electrode of a diode in the photo coupler OP1 is connected to +3.3v voltage, the negative electrode of the diode in the photo coupler OP1 is connected to the second IO port of the main control chip U1 through a resistor R13, the second IO port of the main control chip U1 may be set to be a PA2 pin, the collector of the triode in the photo coupler OP1 is connected to +24v voltage, the emitter of the triode in the photo coupler OP1 is connected to the base of the triode Q3 through a resistor R15, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected to the positive electrode of the diode D2 and one end of a coil in the relay K2, the negative electrode of the diode D2 and the other end of the coil in the relay K2 are both connected to +24v voltage, the other end of the switch in the relay K2 is connected to one end of the fan M1, and the other end of the fan M1 is grounded.
In this embodiment, the first power module is configured to convert 220V ac power of the utility power into 15V dc power, and supply the 15V dc power to the inverter module and the second power module, the second power module is configured to convert the 15V dc power into +5v dc power and +3v dc power, and supply the +3v dc power to the heat dissipation module, the control module, and the driving module, and the third power module is configured to convert 220V ac power of the utility power into 24V dc power, and supply the heat dissipation module. The circuits of the power supply module are all conventional circuits, and the description of this embodiment is omitted.
The utility model provides a mahjong machine with a wireless mobile phone charging function, which comprises a mahjong machine body, a wireless charging cavity arranged on the side surface of the mahjong machine body and a heat dissipation device arranged adjacent to the wireless charging cavity, wherein the mahjong machine can charge collection with the wireless charging function, and the mahjong machine is convenient, meanwhile, the loss of mobile phones of people is avoided, and the heat dissipation device can realize active heat dissipation so as to take away heat generated in the wireless charging process and ensure the safety of wireless charging.
Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (8)
1. The mahjong machine with the wireless charging function of the mobile phone is characterized by comprising a mahjong machine body (1), a wireless charging cavity (2) arranged on the side surface of the mahjong machine body (1) and a heat dissipation device (3) arranged adjacent to the wireless charging cavity (2);
the bottom surface of the wireless charging cavity (2) is embedded with a wireless charging circuit (8), a ventilation cavity (7) is arranged below the wireless charging circuit (8), the ventilation cavity (7) is communicated to the air inlet end of the heat dissipation device (3), and the air outlet end of the heat dissipation device (3) is far away from the mahjong machine body (1);
the heat dissipation device (3) comprises a heat dissipation cavity (4), a heat dissipation fan (6) and a first ventilation opening (5), wherein the heat dissipation cavity (4) is arranged adjacent to the wireless charging cavity (2), one surface of the heat dissipation cavity (4) is flush with the side surface of the mahjong machine body (1), the heat dissipation fan (6) is embedded on one surface of the wireless charging cavity (2) flush with the side surface of the mahjong machine body (1), and the blowing wind direction of the heat dissipation fan (6) is from the inside to the outside of the heat dissipation cavity (4); the first ventilation opening (5) is arranged on the adjacent surface of the heat dissipation cavity (4) and the wireless charging cavity (2), and the wireless charging cavity (2) is communicated into the heat dissipation cavity (4) through the first ventilation opening (5);
one side of ventilation cavity (7) flushes with mahjong machine body (1) side, just be provided with second ventilation opening (10) on the one side that ventilation cavity (7) flush with mahjong machine body (1) side, ventilation cavity (7) communicate to the outside of mahjong machine body (1) through second ventilation opening (10), the bottom of heat dissipation cavity (4) is provided with third ventilation opening (9), ventilation cavity (7) communicate to the inside of heat dissipation cavity (4) through third ventilation opening (9).
2. The mahjong machine with the wireless charging function of the mobile phone according to claim 1, wherein the wireless charging circuit (8) comprises a heat dissipation module, a control module, a driving module, an inversion module, a transmitting module, a first power module, a second power module and a third power module;
the control module is respectively and electrically connected with the heat dissipation module and the driving module, the driving module is electrically connected with the inversion module, the inversion module is electrically connected with the emission module, the first power module and the third power module are respectively and electrically connected with the mains supply, the third power module is electrically connected with the heat dissipation module, the first power module is respectively and electrically connected with the second power module and the inversion module, and the second power module is respectively and electrically connected with the heat dissipation module, the control module and the driving module.
3. The mahjong machine with the wireless charging function of the mobile phone according to claim 2, wherein the control module adopts a singlechip as a main control chip.
4. The mahjong machine with wireless charging function of mobile phone according to claim 3, wherein the main control chip is provided with a minimum system circuit, and the minimum system circuit comprises a crystal oscillator circuit and a reset circuit.
5. The mahjong machine with the mobile phone wireless charging function according to claim 3, wherein the driving module comprises a driving chip U2 with a model number TPS28225, and a PWM pin of the driving chip U2 is connected with a first IO port of the main control chip; and an output pin of the driving chip U2 is connected with an input end of the inverter circuit.
6. The mahjong machine with the wireless charging function of the mobile phone according to claim 5, wherein the inversion module is a half-bridge inversion circuit, an input end of the half-bridge inversion circuit is connected with an output pin of the driving chip U2, and an output end of the half-bridge inversion circuit is connected with an input end of the transmitting module.
7. The mahjong machine with wireless charging function according to claim 6, wherein the transmitting module is arranged as a parallel resonant circuit, an input end of the parallel resonant circuit is connected with an output end of the half-bridge inverter circuit, and the parallel resonant circuit outputs electric energy wirelessly.
8. The mahjong machine with the wireless charging function of the mobile phone according to claim 7, wherein the heat dissipation module comprises a relay driving circuit, a relay and a heat dissipation fan controlled by the relay to open and close, an input end of the relay driving circuit is connected with a second IO port of the main control chip, an output end of the relay driving circuit is connected with a coil end of the relay, and a switch end of the relay is arranged on a power line of the heat dissipation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356827.7U CN219848109U (en) | 2023-05-30 | 2023-05-30 | Mahjong machine with wireless function of charging of cell-phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356827.7U CN219848109U (en) | 2023-05-30 | 2023-05-30 | Mahjong machine with wireless function of charging of cell-phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848109U true CN219848109U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321356827.7U Active CN219848109U (en) | 2023-05-30 | 2023-05-30 | Mahjong machine with wireless function of charging of cell-phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848109U (en) |
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2023
- 2023-05-30 CN CN202321356827.7U patent/CN219848109U/en active Active
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