CN207625592U

CN207625592U - Wireless Communication Equipment

Info

Publication number: CN207625592U
Application number: CN201721886954.2U
Authority: CN
Inventors: 向智宇
Original assignee: Zhuhai City De Yu Resplendence Mdt Infotech Ltd
Current assignee: Zhuhai City De Yu Resplendence Mdt Infotech Ltd
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2018-07-17
Anticipated expiration: 2027-12-27

Abstract

The utility model discloses a kind of Wireless Communication Equipment, including microcontroller, wireless transport module, memory module, MicroSD interfaces, USB interface, Ethernet interface, RS485 interfaces, power-switching circuit, power supply adaptor, power supply, signal projector, signal receiver and buzzer；Power-switching circuit includes voltage input end, voltage output end, first resistor, second resistance, the first diode, the second diode, the first triode, the first metal-oxide-semiconductor, the first capacitance and the second capacitance, the anode of one end of first resistor, the anode of the first diode and the second diode is connect with voltage input end, the cathode of second diode is connect with the drain electrode of the first metal-oxide-semiconductor respectively, and the other end of first resistor is connect with the base stage of one end of second resistance and the first triode respectively.The circuit structure of the utility model is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.

Description

Wireless Communication Equipment

Technical field

The utility model is related to the communications field, more particularly to a kind of Wireless Communication Equipment.

Background technology

There are many Wireless Communication Equipment, and wireless router is exactly a kind of common wireless router, and wireless router is band There is the router of wireless network signal covering function, wired broadband network signal can be transmitted to neighbouring nothing by antenna by it The line network terminal (such as tablet computer, notebook, mobile phone) realizes wireless networking.However, the circuit of existing wireless router Part-structure is complicated, and hardware cost is higher.In addition, the circuit part of existing wireless router is protected due to lacking corresponding circuit Protective function causes the safety and reliability of circuit not high.

Utility model content

The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of circuit knot Structure is relatively simple, cost is relatively low, the higher Wireless Communication Equipment of the safety and reliability of circuit.

Technical solution adopted by the utility model to solve its technical problems is：A kind of Wireless Communication Equipment is constructed, including Microcontroller, wireless transport module, memory module, MicroSD interfaces, USB interface, Ethernet interface, RS485 interfaces, power supply turn Change circuit, power supply adaptor, power supply, signal projector, signal receiver and buzzer, the microcontroller respectively with it is described Wireless transport module, memory module, MicroSD interfaces, USB interface, Ethernet interface, RS485 interfaces, power-switching circuit and Buzzer connects, and the power supply is connect by the power supply adaptor with the power-switching circuit, the signal transmitting Device is connect by the signal receiver with the microcontroller；

The power-switching circuit includes voltage input end, voltage output end, first resistor, second resistance, the one or two pole Pipe, the second diode, the first triode, the first metal-oxide-semiconductor, the first capacitance and the second capacitance, one end of the first resistor, first The anode of the anode of diode and the second diode is connect with the voltage input end, the cathode difference of second diode Connect with the drain electrode of first metal-oxide-semiconductor, the other end of the first resistor respectively with one end of the second resistance and first The base stage of triode connects, and the emitter of the other end of the second resistance and the first triode is grounded, the one or two pole The cathode of pipe is connect with the collector of one end of first capacitance, the grid of the first metal-oxide-semiconductor and the first triode respectively, described The other end of first capacitance is grounded, the source electrode of first metal-oxide-semiconductor one end with the voltage output end and the second capacitance respectively The resistance value of connection, the other end ground connection of second capacitance, the second resistance is 22k Ω.

In Wireless Communication Equipment described in the utility model, the power-switching circuit further includes third capacitance, described One end of third capacitance is connect with the grid of first metal-oxide-semiconductor, the other end of the third capacitance and first triode Collector connection, the capacitance of the third capacitance is 300pF.

In Wireless Communication Equipment described in the utility model, the power-switching circuit further includes third diode, institute The anode for stating third diode is connect with the source electrode of first metal-oxide-semiconductor, and the cathode and the voltage of the third diode are defeated Outlet connects, the model e-501 of the third diode.

In Wireless Communication Equipment described in the utility model, the power-switching circuit further includes 3rd resistor, described One end of 3rd resistor is connect with the emitter of first triode, the other end ground connection of the 3rd resistor, the third The resistance value of resistance is 16k Ω.

In Wireless Communication Equipment described in the utility model, the wireless transport module be bluetooth module, WIFI module, CDMA module, WCDMA modules, gsm module, GPRS module, Zigbee module or LoRa modules.

The Wireless Communication Equipment for implementing the utility model, has the advantages that：Due to being equipped with microcontroller, wireless transmission Module, memory module, MicroSD interfaces, USB interface, Ethernet interface, RS485 interfaces, power-switching circuit, power adaptation Device, power supply, signal projector, signal receiver and buzzer, power-switching circuit include voltage input end, voltage output End, first resistor, second resistance, the first diode, the second diode, the first triode, the first metal-oxide-semiconductor, the first capacitance and Two capacitances, for the power-switching circuit relative to traditional power-switching circuit, the component used is less, can reduce in this way Hardware cost, in addition, second resistance is used to carry out current-limiting protection, therefore circuit structure is relatively simple, cost is relatively low, the peace of circuit Full property and reliability are higher.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram in the utility model Wireless Communication Equipment one embodiment；

Fig. 2 is the circuit diagram of power-switching circuit in the embodiment.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the utility model Wireless Communication Equipment embodiment, the structural schematic diagram of the Wireless Communication Equipment is as shown in Figure 1. In Fig. 1, which includes microcontroller 1, wireless transport module 2, memory module 3, MicroSD interfaces 4, USB interface 5, Ethernet interface 6, RS485 interfaces 7, power-switching circuit 8, power supply adaptor 9, power supply 10, signal projector 11, letter Number receiver 12 and buzzer 13, wherein microcontroller 1 respectively with wireless transport module 2, memory module 3, MicroSD interfaces 4, USB interface 5, Ethernet interface 6, RS485 interfaces 7, power-switching circuit 8 and buzzer 13 connect, and power supply 10 passes through electricity Source adapter 9 is connect with power-switching circuit 8, and signal projector 11 is connect by signal receiver 12 with microcontroller 1.

In work, microcontroller 1 is responsible for control and the management work of whole equipment, is the core devices of whole equipment, is responsible for Distribution to power of the whole machine and management work, memory module 3 is used to store the data of user, and wireless transport module 2 is responsible for nothing The access of gauze network provides wireless network access to the user, and can realize hotspot function, meanwhile, user passes through Ethernet Interface 6 and USB interface 5 access the Wireless Communication Equipment, can directly read the data in memory module 3, USB interface 5 is used for The USB interface for connecting the USB interface and miscellaneous equipment of computer provides traditional access way Ethernet interface and is used for accessing local Internet, while being supplied to user radio function of surfing the Net；MicroSD interfaces 4 provide the demand of expanding storage depth to the user, It when being loaded in capacity data under user, directly places the data in memory module 3, under being carried out directly to wireless network connector It carries, saves wireless network download time, and download stability and pass through wireless network downloading data considerably beyond user.Microcontroller 1 It is connect with signal receiver 12 by serial port data line.

Signal projector 11 is with signal receiver 12 without lines matching；The power supply that microcontroller 1 controls power-switching circuit 8 is logical It is disconnected；Microcontroller 1 receives the signal that signal projector 11 is sent out by signal receiver 12；Wherein, buzzer 13 is for realizing letter Number reach auditory tone cues function；When user needs using wireless network, the button on signal projector 11, letter need to be only pressed Number microcontroller 1 is transmitted to by signal receiver 12, microcontroller 1 connects the power supply of Wireless Communication Equipment after receiving starting-up signal； When user needs to close Wireless Communication Equipment, the button on signal projector 11 need to be only pressed, similarly, microcontroller 1 can be by nothing The dump of the line network equipment；When microcontroller 1 is successfully received booting or off signal, microcontroller 1 can control buzzer 13 beep.

It is noted that in the present embodiment, which can be bluetooth module, WIFI module, CDMA moulds Block, WCDMA modules, gsm module, GPRS module, Zigbee module or LoRa modules etc..By the way that a variety of wireless telecommunications sides are arranged Formula can increase the flexibility used, meet the needs of different user.Especially when using LoRa modules when, communication distance compared with Far, also communication quality is relatively stable, is suitable for the higher occasion of QoS requirement.

Fig. 2 is the circuit diagram of power-switching circuit in the present embodiment, and in Fig. 2, which includes voltage Input terminal Vin, voltage output end Vo, first resistor R1, second resistance R2, the first diode D1, the second diode D2, the one or three Pole pipe Q1, the first metal-oxide-semiconductor M1, the first capacitance C1 and the second capacitance C2, wherein one end of first resistor R1, the first diode D1 Anode and the anode of the second diode D2 connect with voltage input end Vin, the cathode of the second diode D2 is respectively with first The drain electrode of metal-oxide-semiconductor M1 connects, the other end of the first resistor R1 base with one end of second resistance R2 and the first triode Q1 respectively Pole connects, and the emitter of the other end of second resistance R2 and the first triode Q1 are grounded, the cathode difference of the first diode D1 It is connect with the collector of one end of the first capacitance C1, the grid of the first metal-oxide-semiconductor M1 and the first triode Q1, the first capacitance C1's is another One end is grounded, and the source electrode of the first metal-oxide-semiconductor M1 is connect with one end of voltage output end Vo and the second capacitance C2 respectively, the second capacitance C2 The other end ground connection.

For the power-switching circuit 8 relative to traditional power-switching circuit, the component used is less, circuit structure compared with To be simple, hardware cost can be reduced in this way.In addition, second resistance R2 is current-limiting resistance, for carrying out current-limiting protection, therefore electricity The safety and reliability on road is higher.It is noted that in the present embodiment, the resistance value of second resistance R2 is 22k Ω, certainly, In practical applications, the resistance value of second resistance R2 can adjust accordingly as the case may be.

220V alternating currents Vin after the first capacitance C1 filtering, supplies the first metal-oxide-semiconductor M1 after the first diode D1 rectifications Grid and the first triode Q1 collector.By the resistance value that first resistor R1 is arranged so that just the half of 220V alternating currents The second capacitance C2 chargings are given in the starting stage in week, the first triode Q1 shutdowns, the first metal-oxide-semiconductor M1 conductings in this stage.So Afterwards, when the voltage in the base stage of the first triode Q1 reaches its conducting voltage, the first triode Q1 conductings, so that first Metal-oxide-semiconductor M1 shutdowns, then stop the charging of the second capacitance C2.In the negative half period of 220V alternating currents, due to the second diode D2 Presence, the negative half periods of 220V alternating currents can not possibly be to the second capacitance C2 chargings.So finally in the both ends energy of the second capacitance C2 Enough generate smoother DC output voltage.

In the present embodiment, which further includes third capacitance C3, one end and the first MOS of third capacitance C3 The grid of pipe M1 connects, and the other end of third capacitance C3 is connect with the collector of the first triode Q1.Third capacitance C3 is coupling Capacitance, for preventing the interference between the first triode Q1 and the first metal-oxide-semiconductor M1, with further enhance circuit safety and can By property.It is noted that in the present embodiment, the capacitance of third capacitance C3 is 300pF, certainly, in practical applications, third The capacitance of capacitance C3 can adjust accordingly as the case may be.

In the present embodiment, which further includes third diode D3, the anode and first of third diode D3 The source electrode of metal-oxide-semiconductor M1 connects, and the cathode of third diode D3 is connect with voltage output end Vo.Third diode D3 is two pole of current limliting Pipe, for carrying out current-limiting protection to the source current of the first metal-oxide-semiconductor M1, further to enhance the safety of circuit and reliable Property.It is noted that in the present embodiment, the model e-501 of third diode D3, certainly, in practical applications, the three or two Pole pipe D3 can also select diode of other models with similar functions.

In the present embodiment, which further includes 3rd resistor R3, one end of 3rd resistor R3 and the one or three pole The emitter of pipe Q1 connects, the other end ground connection of 3rd resistor R3.3rd resistor R3 is current-limiting resistance, for the first triode The emitter current of Q1 carries out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, third The resistance value of resistance R3 is 16k Ω, and certainly, in practical applications, the resistance value of 3rd resistor R3 can carry out phase as the case may be It should adjust.

In short, in the present embodiment, due to setting there are one microcontroller 1, and microcontroller there are two traditional Wireless Communication Equipment, Due to reducing a microcontroller, cost can be reduced.In addition, the power-switching circuit is converted relative to traditional power supply Circuit, the component used is less, and circuit structure is relatively simple, can reduce hardware cost in this way.The power-switching circuit In be equipped with current-limiting resistance, therefore the safety and reliability of circuit.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims

1. a kind of Wireless Communication Equipment, which is characterized in that connect including microcontroller, wireless transport module, memory module, MicroSD Mouth, USB interface, Ethernet interface, RS485 interfaces, power-switching circuit, power supply adaptor, power supply, signal projector, Signal receiver and buzzer, the microcontroller respectively with the wireless transport module, memory module, MicroSD interfaces, USB Interface, Ethernet interface, RS485 interfaces, power-switching circuit are connected with buzzer, and the power supply is suitable by the power supply Orchestration is connect with the power-switching circuit, and the signal projector is connect by the signal receiver with the microcontroller；

The power-switching circuit includes voltage input end, voltage output end, first resistor, second resistance, the first diode, Two diodes, the first triode, the first metal-oxide-semiconductor, the first capacitance and the second capacitance, one end of the first resistor, the one or two pole The anode of the anode of pipe and the second diode is connect with the voltage input end, the cathode of second diode respectively with institute State the drain electrode connection of the first metal-oxide-semiconductor, the other end of the first resistor respectively with one end of the second resistance and the one or three pole The base stage of pipe connects, and the emitter of the other end of the second resistance and the first triode is grounded, first diode Cathode is connect with the collector of one end of first capacitance, the grid of the first metal-oxide-semiconductor and the first triode respectively, and described first The other end of capacitance is grounded, and the source electrode of first metal-oxide-semiconductor is connect with one end of the voltage output end and the second capacitance respectively, The other end of second capacitance is grounded, and the resistance value of the second resistance is 22k Ω.

2. Wireless Communication Equipment according to claim 1, which is characterized in that the power-switching circuit further includes third electricity Hold, one end of the third capacitance is connect with the grid of first metal-oxide-semiconductor, the other end of the third capacitance and described first The collector of triode connects, and the capacitance of the third capacitance is 300pF.

3. Wireless Communication Equipment according to claim 2, which is characterized in that the power-switching circuit further includes the three or two Pole pipe, the anode of the third diode are connect with the source electrode of first metal-oxide-semiconductor, the cathode of the third diode with it is described Voltage output end connects, the model e-501 of the third diode.

4. Wireless Communication Equipment according to claim 2, which is characterized in that the power-switching circuit further includes third electricity Resistance, one end of the 3rd resistor are connect with the emitter of first triode, the other end ground connection of the 3rd resistor, institute The resistance value for stating 3rd resistor is 16k Ω.

5. Wireless Communication Equipment according to any one of claims 1 to 4, which is characterized in that the wireless transport module For bluetooth module, WIFI module, CDMA module, WCDMA modules, gsm module, GPRS module, Zigbee module or LoRa modules.