CN204680192U - A kind of smart mobile phone is checked meter circuit and module - Google Patents
A kind of smart mobile phone is checked meter circuit and module Download PDFInfo
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- CN204680192U CN204680192U CN201520411014.2U CN201520411014U CN204680192U CN 204680192 U CN204680192 U CN 204680192U CN 201520411014 U CN201520411014 U CN 201520411014U CN 204680192 U CN204680192 U CN 204680192U
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Abstract
The open smart mobile phone of the utility model is checked meter circuit and module, and circuit of checking meter comprises charging circuit, mu balanced circuit and bluetooth and turns infrared circuit, and charging circuit output terminal connects mu balanced circuit input end; Bluetooth turns infrared circuit and comprises that bluetooth turns serial port circuit, serial ports turns infrared circuit and far infrared anti-jamming circuit; Bluetooth turns serial port circuit power input and connects circuit output end of pressure-stabilizing, and bluetooth turns serial port circuit signal transmitting terminal connection serial ports and turns infrared circuit signal input, and bluetooth turns serial port circuit signal receiving end and connects far infrared anti-jamming circuit signal output part; Serial ports turns infrared circuit external power supply end and connects mu balanced circuit input end; Far infrared anti-jamming circuit external power supply end connects mu balanced circuit input end, and far infrared anti-jamming circuit power input connects circuit output end of pressure-stabilizing.Circuit is suitable for common smart mobile phone, can with its Bluetooth communication, break through traditional palm machine and to check meter pattern, cost is low; Also adopt bluetooth and over the horizon communication system, communication distance is far away.
Description
Technical field
The utility model relates to power industry field, is specifically related to a kind of smart mobile phone and checks meter circuit and module.
Background technology
In current power industry, pattern of checking meter generally adopts palm PC (also referred to as palm machine) to check meter, the subsidiary button of palm machine is utilized to carry out parameters input, complete the process of checking meter, palm machine itself is heavier, be not easy to carry, also inconvenient domestic consumer and network operation librarian use, and cost is higher.Along with the extensive of smart mobile phone is popularized, be necessary a set of pattern of checking meter being applicable to smart mobile phone of characteristic research and development according to smart mobile phone, make the thorough simplified intelligent of the process of checking meter.
Utility model content
To check meter pattern to break through traditional palm PC, making that meter reading method is universal to be simplified, the utility model provides a kind of check meter circuit and the module that are applicable to smart mobile phone.
According to first aspect of the present utility model, the utility model provides a kind of smart mobile phone to check meter circuit, comprising: for providing charging circuit and the mu balanced circuit of working power, and the output terminal of charging circuit connects the input end of mu balanced circuit; And to launch and the bluetooth that the infrared data of reception is converted to blue-teeth data turns infrared circuit for blue-teeth data being converted to infrared data; Bluetooth turns infrared circuit and comprises that bluetooth turns serial port circuit, serial ports turns infrared circuit and far infrared anti-jamming circuit; Bluetooth turns the output terminal of the power input connection mu balanced circuit of serial port circuit, the signal transmitting terminal that bluetooth turns serial port circuit connects the signal input part that serial ports turns infrared circuit, and bluetooth turns the signal output part of the signal receiving end connection far infrared anti-jamming circuit of serial port circuit; Serial ports turns the input end of the external power supply end connection mu balanced circuit of infrared circuit; The external power supply end of far infrared anti-jamming circuit connects the input end of mu balanced circuit, and the power input of far infrared anti-jamming circuit connects the output terminal of mu balanced circuit.
Smart mobile phone of the present utility model is checked meter circuit, is applicable to common smart mobile phone on the market, can carries out bluetooth data communication with smart mobile phone, break through traditional palm PC and to check meter pattern, and cost is low, only has 1/10th of existing palm machine cost; In addition, smart mobile phone circuit of checking meter adopts the communication mode of Bluetooth communication distance and the outer distance of red communication, and communication distance is far away, is greater than traditional infrared distance merely and checks meter, thus realize convenient and swift meter-reading function.
Wherein in a preferred version, charging circuit comprises: USB charging inlet, the first diode, power switch, rechargeable battery, the first current-limiting resistance and power lights; The power supply terminal of USB charging inlet connects the positive pole of the first diode; The negative pole of the first diode connects the input end of power switch, and the input end of power switch also connects rechargeable battery, and the output terminal of power switch is connected the first current-limiting resistance and mu balanced circuit respectively, and the first current-limiting resistance is series-connection power supplies lamp also, power lights ground connection.
Wherein in a preferred version, bluetooth turns serial port circuit and comprises Bluetooth chip, the 3rd current-limiting resistance, the 4th current-limiting resistance and morse signal light; The supply pin of Bluetooth chip connects the output terminal of mu balanced circuit, the earth terminal ground connection of Bluetooth chip; The PIO1 port of Bluetooth chip, the 3rd current-limiting resistance and morse signal light are electrically connected successively, morse signal light output head grounding; The output terminal of the PIO4 port of Bluetooth chip, the 4th current-limiting resistance and mu balanced circuit is electrically connected successively; The signal transmitting terminal of Bluetooth chip connects the signal input part that serial ports turns infrared circuit; The signal receiving end of Bluetooth chip connects the signal output part of far infrared anti-jamming circuit.
Wherein in a preferred version, far infrared anti-jamming circuit comprises infrared receiving tube, the first triode, the second triode, the 5th current-limiting resistance, the first pull-up resistor, the second pull-up resistor, the 3rd pull-up resistor, the 4th pull-up resistor, the 5th pull-up resistor, the second polarity free capacitor and the 3rd have polar capacitor; The collector of the first triode connects signal receiving end and second pull-up resistor of Bluetooth chip, the grounded emitter of the first triode respectively, and the base stage of the first triode connects the first pull-up resistor; Second pull-up resistor also connects the output terminal of mu balanced circuit; The collector of the second triode is connected the first pull-up resistor and the 3rd pull-up resistor respectively, the grounded emitter of the second triode, base series the 5th current-limiting resistance of the second triode; 3rd pull-up resistor also connects the input end of mu balanced circuit; The power input interface of infrared receiving tube connects the 5th pull-up resistor respectively, the second polarity free capacitor and the 3rd has polar capacitor, and the output interface of infrared receiving tube connects the 4th pull-up resistor and the 5th current-limiting resistance respectively; 4th pull-up resistor and the 5th pull-up resistor also connect the input end of mu balanced circuit respectively; Second polarity free capacitor and the 3rd has polar capacitor ground connection.
Wherein in a preferred version, serial ports turns infrared circuit and comprises: the first rejection gate, the second rejection gate, the 3rd rejection gate, the 6th pull-up resistor, the 7th pull-up resistor, the 8th pull-up resistor, the 9th pull-up resistor, the 3rd polarity free capacitor, the 4th polarity free capacitor, the 5th polarity free capacitor, infrared sending tube, the 3rd triode and crystal oscillator; 4th polarity free capacitor one end ground connection, the other end connects two input ends of crystal oscillator, the 6th pull-up resistor and the first rejection gate respectively; The output terminal of the first rejection gate connects the 6th pull-up resistor and the 7th pull-up resistor respectively; Two input ends of the second rejection gate connect the 7th pull-up resistor, crystal oscillator and the 5th polarity free capacitor respectively, and an input end of the second rejection gate also connects the input end of the 3rd polarity free capacitor and mu balanced circuit; Another input end also ground connection of the second rejection gate; 5th polarity free capacitor and the 3rd polarity free capacitor ground connection; One input end of the 3rd rejection gate connects the signal transmitting terminal that bluetooth turns serial port circuit, and another input end of the 3rd rejection gate connects the output terminal of the second rejection gate, and an output terminal of the 3rd rejection gate connects one end of the 8th pull-up resistor; Base series the 8th pull-up resistor of the 3rd triode, the grounded emitter of the 3rd triode, the input end of the collector of the 3rd triode, infrared sending tube, the 9th pull-up resistor and mu balanced circuit is connected successively.
Wherein in a preferred version, mu balanced circuit comprises: first has polar capacitor, the first polarity free capacitor, voltage stabilizing chip, second to have polar capacitor and the second current-limiting resistance; First has the input end of the input end of the positive pole of polar capacitor, the first polarity free capacitor, the second current-limiting resistance and voltage stabilizing chip to connect the output terminal of charging circuit respectively; The output terminal of the first polarity free capacitor connects the negative pole that first has polar capacitor; First has the earth terminal of the negative pole of polar capacitor and voltage stabilizing chip to have the negative pole of polar capacitor to be connected with second respectively; The output terminal of the second current-limiting resistance connects the Enable Pin of voltage stabilizing chip; Second has the input end of polar capacitor to connect the output terminal of voltage stabilizing chip, and second has the output terminal of polar capacitor and earth terminal all ground connection of voltage stabilizing chip; The output terminal of voltage stabilizing chip also connects the power input that bluetooth turns serial port circuit.
Wherein in a preferred version, also comprise: for turning the parameter setting circuit that infrared circuit carries out parameter reset to bluetooth; The output terminal of the power input electrical connection mu balanced circuit of parameter setting circuit, the external power supply end of parameter setting circuit connects the input end of mu balanced circuit; The signal transmitting terminal of parameter setting circuit connects the signal transmitting terminal that bluetooth turns serial port circuit, and the signal receiving end of parameter setting circuit connects the signal receiving end that bluetooth turns serial port circuit.
Wherein in a preferred version, parameter setting circuit comprises: optimum configurations serial ports, the 4th triode, the 5th triode, the tenth pull-up resistor, the 11 pull-up resistor, the 12 pull-up resistor, the 13 pull-up resistor, the 14 pull-up resistor, the 15 pull-up resistor, the second diode and optimum configurations resistance; One end of 14 pull-up resistor and the 15 pull-up resistor respectively Connecting quantity arranges the first port of serial ports, and the other end of the 14 pull-up resistor connects mu balanced circuit, and the other end of the 15 pull-up resistor connects bluetooth and turns serial port circuit; 3rd port ground connection of optimum configurations serial ports, the 4th port of optimum configurations serial ports connects collector and the optimum configurations resistance of the 4th triode respectively, and the five-port of optimum configurations serial ports connects the output terminal of the second diode; The grounded emitter of the 4th triode, collector is also connected the tenth pull-up resistor, and base stage connects the collector of the 12 pull-up resistor and the 5th triode respectively; The grounded emitter of the 5th triode, base series the 13 pull-up resistor; The input end of the tenth pull-up resistor electrical connection mu balanced circuit; The output terminal of the 12 pull-up resistor electrical connection mu balanced circuit; 13 pull-up resistor and optimum configurations resistance are electrically connected the signal transmitting terminal that bluetooth turns serial port circuit respectively; The input end of the second diode is electrically connected bluetooth respectively and turns the signal receiving end of serial port circuit and one end of the 11 pull-up resistor, and the other end of the 11 pull-up resistor connects the output terminal of mu balanced circuit.
Wherein in a preferred version, also comprise a pcb board and a universal audio male; One end of pcb board has a through hole; Charging circuit, mu balanced circuit and bluetooth turn infrared circuit and are printed on pcb board, wherein, the output pin of infrared receiving tube is through through hole, the back side of pcb board is welded on after being less than the bending of 90 degree, the Receiver of infrared receiving tube is then positioned at the front of pcb board, and rechargeable battery is arranged on the back side of pcb board; Universal audio male is welded on the front of pcb board.
In a preferred approach, dual power supply is adopted to arrange, if without external charger, by rechargeable battery as lithium battery is powered on the one hand; The USB charging inlet of employing standard, as standard miniUSB charging inlet, when there being external power supply, is powered by external power supply, can also charge to rechargeable battery meanwhile; Bluetooth turns serial port circuit, serial ports turns infrared circuit and far infrared anti-jamming circuit adopts bluetooth and infrared double data transfer mode, realizes remote data and receives; The features such as mu balanced circuit carries out voltage stabilizing design, realizes high precision, low noise, high speed; In addition, parameter setting circuit realizes the conversion between voltage 3.3V and 5V, realizes the optimum configurations of Bluetooth chip.
According to second aspect of the present utility model, the utility model provides a kind of smart mobile phone meter-reading module, comprises shell body and as above arbitrary smart mobile phone and to check meter circuit; Smart mobile phone circuit of checking meter is positioned at shell body inside, and the trace arrangements of circuit of checking meter according to smart mobile phone, be also preset with multiple mounting hole at the correspondence position of shell body; Shell body comprises upper shell and lower house, and upper shell periphery is provided with multiple buckle, and lower house correspondence position is provided with the draw-in groove mated with buckle, and buckle is connected with pocket matches.
Smart mobile phone meter-reading module in addition to the advantages described above, by universal audio male, realize the connection of module and smart mobile phone, do not need special hand-held intelligent mobile phone meter-reading module, the set-up mode of infrared receiving tube, improve signal receiving efficiency, upper shell and lower house adopt the connected mode of buckle and draw-in groove, do not need screw to assemble.
Accompanying drawing explanation
Fig. 1 is that in the utility model embodiment one, smart mobile phone is checked meter the module diagram of circuit;
Fig. 2 is the structural representation of charging circuit in the utility model embodiment one;
Fig. 3 is the structural representation of mu balanced circuit in the utility model embodiment one;
Fig. 4 is the structural representation that in the utility model embodiment one, bluetooth turns infrared circuit;
Fig. 5 is the structural representation that in the utility model embodiment one, mu balanced circuit is connected with parameter setting circuit;
Fig. 6 is that in the utility model embodiment one, each circuit is arranged on the structural representation on pcb board;
Fig. 7 is the structural representation of the utility model embodiment two China and foreign countries housing.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
Embodiment one
As shown in Figure 1, the utility model provides a kind of smart mobile phone to check meter circuit, comprising: for providing charging circuit and the mu balanced circuit of working power, and the output terminal of charging circuit connects the input end of mu balanced circuit; And to launch and the bluetooth that the infrared data of reception is converted to blue-teeth data turns infrared circuit for blue-teeth data being converted to infrared data; Bluetooth turns infrared circuit and comprises that bluetooth turns serial port circuit, serial ports turns infrared circuit and far infrared anti-jamming circuit; Bluetooth turns the output terminal of the power input connection mu balanced circuit of serial port circuit, the signal transmitting terminal that bluetooth turns serial port circuit connects the signal input part that serial ports turns infrared circuit, and bluetooth turns the signal output part of the signal receiving end connection far infrared anti-jamming circuit of serial port circuit; Serial ports turns the input end of the external power supply end connection mu balanced circuit of infrared circuit; The external power supply end of far infrared anti-jamming circuit connects the input end of mu balanced circuit, and the power input of far infrared anti-jamming circuit connects the output terminal of mu balanced circuit.
As shown in Figure 2, wherein in a preferred version, charging circuit comprises: USB charging inlet U6, the first diode D1, power switch K1, rechargeable battery BAT+, the first current-limiting resistance R3 and power lights LED1; The power supply terminal VIN of USB charging inlet U6 connects the positive pole of the first diode D1; The negative pole of the first diode D1 connects the input end of power switch K1, the input end of power switch K1 also connects rechargeable battery BAT+, the output terminal of power switch K1 is connected the first current-limiting resistance R3 and mu balanced circuit respectively, the first current-limiting resistance R3 also series-connection power supplies lamp LED1, power lights LED1 ground connection.Wherein, rechargeable battery BAT+ can select lithium battery, and USB charging inlet U6 can the miniUSB interface charging of selection standard, and lithium battery and external power supply dual power supply are arranged, for the check meter normal work of circuit of smart mobile phone provides powerful guarantee.
As shown in Figure 4, wherein in a preferred version, bluetooth turns serial port circuit and comprises Bluetooth chip U5, the 3rd current-limiting resistance R4, the 4th current-limiting resistance R14 and morse signal light LED2; The supply pin VCC of Bluetooth chip U5 connects the output terminal of mu balanced circuit, the earth terminal GND ground connection of Bluetooth chip U5; PIO1 port, the 3rd current-limiting resistance R4 and morse signal light LED2 of Bluetooth chip U5 are electrically connected successively, morse signal light LED2 output head grounding; The output terminal of the PIO4 port of Bluetooth chip U5, the 4th current-limiting resistance R14 and mu balanced circuit is electrically connected successively; The signal transmitting terminal UART_TXD of Bluetooth chip U5 connects the signal input part that serial ports turns infrared circuit; The signal receiving end UART_RXD of Bluetooth chip (U5) connects the signal output part of far infrared anti-jamming circuit.Wherein, bluetooth turns in serial port circuit, and Bluetooth chip selects Britain CSR company BC417 Bluetooth chip, follows bluetooth V2.1, the smart mobile phone in the current main flow in compatible market.
As shown in Figure 4, wherein in a preferred version, far infrared anti-jamming circuit comprises infrared receiving tube U1, the first triode Q1, the second triode Q2, the 5th current-limiting resistance R2, the first pull-up resistor R1, the second pull-up resistor R12, the 3rd pull-up resistor R5, the 4th pull-up resistor R6, the 5th pull-up resistor R7, the second polarity free capacitor C1 and the 3rd have polar capacitor E1; The collector of the first triode Q1 connects signal receiving end UART_RXD and the second pull-up resistor R12 of Bluetooth chip U5, the grounded emitter of the first triode Q1 respectively, and the base stage of the first triode Q1 connects the first pull-up resistor R1; Second pull-up resistor R12 also connects the output terminal of mu balanced circuit; The collector of the second triode Q2 is connected the first pull-up resistor R1 and the 3rd pull-up resistor R5 respectively, the grounded emitter of the second triode Q2, base series the 5th current-limiting resistance R2 of the second triode Q2; 3rd pull-up resistor R5 also connects the input end of mu balanced circuit; The power input interface of infrared receiving tube U1 connects the 5th pull-up resistor R7 respectively, the second polarity free capacitor C1 and the 3rd has polar capacitor E1, and the output interface of infrared receiving tube U1 connects the 4th pull-up resistor R6 and the 5th current-limiting resistance R2 respectively; 4th pull-up resistor R6 and the 5th pull-up resistor R7 also connects the input end of mu balanced circuit respectively; Second polarity free capacitor C1 and the 3rd has polar capacitor E1 ground connection.
Adopt HS0038 infrared receiving tube in far infrared anti-jamming circuit, power unit, through test of many times, selected 100uF electrochemical capacitor, reaches effective filtering interfering.Meanwhile, before infrared receiving tube, increase red pigment by jamming light source filtering, ensure reliable communicating under high light.
As shown in Figure 4, wherein in a preferred version, serial ports turns infrared circuit and comprises: the first rejection gate U2A, the second rejection gate U2B, the 3rd rejection gate U2C, the 6th pull-up resistor R8, the 7th pull-up resistor R9, the 8th pull-up resistor R10, the 9th pull-up resistor R11, the 3rd polarity free capacitor C3, the 4th polarity free capacitor C4, the 5th polarity free capacitor C5, infrared sending tube U3, the 3rd triode Q3 and crystal oscillator X1; 4th polarity free capacitor C4 one end ground connection, the other end connects two input ends 2 and 3 of crystal oscillator X1, the 6th pull-up resistor R8 and the first rejection gate U2A respectively; The output terminal 1 of the first rejection gate U2A connects the 6th pull-up resistor R8 and the 7th pull-up resistor R9 respectively; Two input ends 5 and 6 of the second rejection gate U2B are connected the 7th pull-up resistor R9, crystal oscillator X1 and the 5th polarity free capacitor C5 respectively, and an input end 5 of the second rejection gate U2B also connects the input end of the 3rd polarity free capacitor C3 and mu balanced circuit; Another input end 6 also ground connection of the second rejection gate U2B; 5th polarity free capacitor C5 and the 3rd polarity free capacitor C3 ground connection; One input end 8 of the 3rd rejection gate U2C connects the signal transmitting terminal that bluetooth turns serial port circuit, the output terminal 10 that another input end 9 of 3rd rejection gate U2C connects output terminal the 4, three rejection gate U2C of the second rejection gate U2B connects one end of the 8th pull-up resistor R10; Base series the 8th pull-up resistor R10 of the 3rd triode Q3, the grounded emitter of the 3rd triode Q3, the input end of the collector of the 3rd triode Q3, infrared sending tube U3, the 9th pull-up resistor R11 and mu balanced circuit is connected successively.
When infrared data transmits, the mode of conventional carrier wave transmits binary coding, conventional carrier frequency is 38kHz, in the present embodiment, serial ports turns in infrared circuit, adopt the crystal oscillator of 38kHz, the frequency of generation 38kHz that can be stable, the signal produced than single-chip microcomputer or timer is stable and accurate, the carrier signal of serial data to 38kHz will transmitted through 74HC02 rejection gate is modulated, in space, send signal at the infrared sending tube U3 by model being TASL6200, such electric energy meter just can receive corresponding data.Model is the infrared receiving tube (on electric energy meter main flow infrared receiving tube) of HS0038, stable performance, and the frequency of Received signal strength is 38kHz, and antijamming capability is strong, wide operating voltage range, adopts hard decoder, and receiving range is far away, and angle is large.HS0038 infrared receiving tube is connected to the Bluetooth chip signal receiving end UARTA_RXD that bluetooth turns serial port circuit, realizes data receiver.
As shown in Figure 3, wherein in a preferred version, mu balanced circuit comprises: first has polar capacitor E2, the first polarity free capacitor C2, voltage stabilizing chip U4, second to have polar capacitor E3 and the second current-limiting resistance R13; First has the input end of the input end of the positive pole of polar capacitor E2, the first polarity free capacitor C2, the second current-limiting resistance R13 and voltage stabilizing chip U4 to connect the output terminal of charging circuit respectively; The output terminal of the first polarity free capacitor C2 connects the negative pole that first has polar capacitor E2; First has the earth terminal of the negative pole of polar capacitor E2 and voltage stabilizing chip U4 to have the negative pole of polar capacitor E3 to be connected with second respectively; The output terminal of the second current-limiting resistance R13 connects the Enable Pin EN of voltage stabilizing chip; Second has the input end of polar capacitor E3 to connect the output terminal of voltage stabilizing chip U4, and second has the output terminal of polar capacitor E3 and earth terminal all ground connection of voltage stabilizing chip U4; The output terminal of voltage stabilizing chip U4 also connects the power input that bluetooth turns serial port circuit.
Wherein in a preferred version, also comprise: for turning the parameter setting circuit that infrared circuit carries out parameter reset to bluetooth; The output terminal of the power input electrical connection mu balanced circuit of parameter setting circuit, the external power supply end of parameter setting circuit connects the input end of mu balanced circuit; The signal transmitting terminal of parameter setting circuit connects the signal transmitting terminal that bluetooth turns serial port circuit, and the signal receiving end of parameter setting circuit connects the signal receiving end that bluetooth turns serial port circuit.
As shown in Figure 5, wherein in a preferred version, parameter setting circuit comprises: optimum configurations serial ports J1, the 4th triode Q4, the 5th triode Q5, the tenth pull-up resistor R15, the 11 pull-up resistor R16, the 12 pull-up resistor R17, the 13 pull-up resistor R18, the 14 pull-up resistor R19, the 15 pull-up resistor R20, the second diode D3 and optimum configurations resistance S*1; One end of 14 pull-up resistor R19 and the 15 pull-up resistor R20 respectively Connecting quantity arranges first port of serial ports J1, and the other end of the 14 pull-up resistor R19 connects mu balanced circuit, and the other end of the 15 pull-up resistor R20 connects bluetooth and turns serial port circuit; The 3rd port ground connection of optimum configurations serial ports J1, the 4th port of optimum configurations serial ports J1 connects collector and the optimum configurations resistance S*1 of the 4th triode Q4 respectively, and the five-port of optimum configurations serial ports J1 connects the output terminal of the second diode D3; The grounded emitter of the 4th triode Q4, collector is also connected the tenth pull-up resistor R15, and base stage connects the collector of the 12 pull-up resistor R17 and the 5th triode Q5 respectively; The grounded emitter of the 5th triode Q5, base series the 13 pull-up resistor R18; Tenth pull-up resistor R15 is electrically connected the input end of mu balanced circuit; 12 pull-up resistor R17 is electrically connected the output terminal of mu balanced circuit; 13 pull-up resistor R18 and optimum configurations resistance S*1 is electrically connected the signal transmitting terminal that bluetooth turns serial port circuit respectively; The input end of the second diode D3 is electrically connected bluetooth respectively and turns the signal receiving end of serial port circuit and one end of the 11 pull-up resistor R16, and the other end of the 11 pull-up resistor R16 connects the output terminal of mu balanced circuit.
Parameter setting circuit can pass through level conversion, realize the conversion of 3.3V and 5V voltage, realize Bluetooth chip optimum configurations, smart mobile phone is checked meter circuit unified specification when dispatching from the factory, and user can be arranged the parameter that bluetooth turns serial port circuit by parameter setting circuit according to different environment for use.
Wherein in a preferred version, also comprise a pcb board and a universal audio male; One end of pcb board has a through hole; Charging circuit, mu balanced circuit and bluetooth turn infrared circuit and are printed on pcb board, wherein, the output pin of infrared receiving tube U1 is through through hole, the back side of pcb board is welded on after being less than the bending of 90 degree, the Receiver of infrared receiving tube U1 is then positioned at the front of pcb board, and rechargeable battery BAT+ is arranged on the back side of pcb board; Universal audio male is welded on the front of pcb board.As shown in Figure 6, bluetooth turns serial port circuit 212, serial ports turns infrared circuit 211, far infrared anti-jamming circuit, charging circuit, mu balanced circuit and parameter setting circuit are all arranged on pcb board 201, wherein, infrared sending tube U3 and USB charging inlet U6 is arranged on one end of pcb board, universal audio male 203 is welded on the other end of pcb board, the output pin of infrared receiving tube U1 is through through hole, the back side of pcb board is welded on after being less than the bending of 90 degree, the Receiver of infrared receiving tube U1 is then positioned at the front of pcb board, power switch K1, power lights LED1, morse signal light LED2 and optimum configurations serial ports J1 is arranged on the side of pcb board.Universal audio male adopts 3.5mm audio frequency male, and be mainly used in connecting smart mobile phone and check meter circuit and smart mobile phone, infrared receiving tube U1 bending angle is less than 90 degree, is more of value to the reception of signal.
Embodiment two
As shown in Figure 7, the present embodiment provides a kind of smart mobile phone meter-reading module, comprises shell body 308, and the smart mobile phone also comprised as embodiment one is checked meter circuit; Smart mobile phone is checked meter, and to be positioned at shell body 308 inner for circuit, and the trace arrangements of circuit of checking meter according to smart mobile phone, also be preset with multiple mounting hole at the correspondence position of shell body 308, as: be preset with the side mounting hole 302 mated with power switch K1, power lights LED1 mounting hole 304, morse signal light LED2 mounting hole 303, USB charging inlet U6 mounting hole 311, infrared sending tube U3 mounting hole 309, infrared receiving tube U1 mounting hole 310, universal audio male mounting hole; Shell body side is provided with pillar 301, and it comprises upper shell and lower house, and upper shell periphery is provided with multiple buckle 305, and lower house correspondence position is provided with the draw-in groove mated with buckle, and buckle 305 is connected with pocket matches.Upper shell and lower house adopt the connected mode of buckle and draw-in groove, do not need screw to assemble.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (10)
1. smart mobile phone is checked meter a circuit, it is characterized in that, comprising:
For providing charging circuit and the mu balanced circuit of working power, the output terminal of described charging circuit connects the input end of described mu balanced circuit;
And to launch and the bluetooth that the infrared data of reception is converted to blue-teeth data turns infrared circuit for blue-teeth data being converted to infrared data; Described bluetooth turns infrared circuit and comprises that bluetooth turns serial port circuit, serial ports turns infrared circuit and far infrared anti-jamming circuit; The power input that described bluetooth turns serial port circuit connects the output terminal of described mu balanced circuit, the signal transmitting terminal that described bluetooth turns serial port circuit connects the signal input part that described serial ports turns infrared circuit, and the signal receiving end that described bluetooth turns serial port circuit connects the signal output part of described far infrared anti-jamming circuit; The external power supply end that described serial ports turns infrared circuit connects the input end of described mu balanced circuit; The external power supply end of described far infrared anti-jamming circuit connects the input end of described mu balanced circuit, and the power input of described far infrared anti-jamming circuit connects the output terminal of described mu balanced circuit.
2. smart mobile phone according to claim 1 is checked meter circuit, it is characterized in that, described charging circuit comprises: USB charging inlet (U6), the first diode (D1), power switch (K1), rechargeable battery (BAT+), the first current-limiting resistance (R3) and power lights (LED1); The power supply terminal (VIN) of described USB charging inlet (U6) connects the positive pole of described first diode (D1); The negative pole of described first diode (D1) connects the input end of power switch (K1), the input end of power switch (K1) also connects rechargeable battery (BAT+), the output terminal of power switch (K1) is connected described first current-limiting resistance (R3) and described mu balanced circuit respectively, described first current-limiting resistance (R3) goes back series-connection power supplies lamp (LED1), described power lights (LED1) ground connection.
3. smart mobile phone according to claim 2 is checked meter circuit, it is characterized in that: described bluetooth turns serial port circuit and comprises Bluetooth chip (U5), the 3rd current-limiting resistance (R4), the 4th current-limiting resistance (R14) and morse signal light (LED2); The supply pin (VCC) of described Bluetooth chip (U5) connects the output terminal of described mu balanced circuit, earth terminal (GND) ground connection of described Bluetooth chip (U5); The PIO1 port of described Bluetooth chip (U5), the 3rd current-limiting resistance (R4) and morse signal light (LED2) are electrically connected successively, described morse signal light (LED2) output head grounding; The output terminal of the PIO4 port of described Bluetooth chip (U5), the 4th current-limiting resistance (R14) and mu balanced circuit is electrically connected successively; The signal transmitting terminal (UART_TXD) of described Bluetooth chip (U5) connects the signal input part that described serial ports turns infrared circuit; The signal receiving end (UART_RXD) of described Bluetooth chip (U5) connects the signal output part of described far infrared anti-jamming circuit.
4. smart mobile phone according to claim 3 is checked meter circuit, it is characterized in that: described far infrared anti-jamming circuit comprises infrared receiving tube (U1), the first triode (Q1), the second triode (Q2), the 5th current-limiting resistance (R2), the first pull-up resistor (R1), the second pull-up resistor (R12), the 3rd pull-up resistor (R5), the 4th pull-up resistor (R6), the 5th pull-up resistor (R7), the second polarity free capacitor (C1) and the 3rd have polar capacitor (E1); The collector of described first triode (Q1) connects signal receiving end (UART_RXD) and described second pull-up resistor (R12) of described Bluetooth chip (U5) respectively, the grounded emitter of described first triode (Q1), the base stage of described first triode (Q1) connects described first pull-up resistor (R1); Described second pull-up resistor (R12) also connects the output terminal of described mu balanced circuit; The collector of described second triode (Q2) is connected described first pull-up resistor (R1) and the 3rd pull-up resistor (R5) respectively, the grounded emitter of described second triode (Q2), the 5th current-limiting resistance (R2) described in the base series of described second triode (Q2); Described 3rd pull-up resistor (R5) also connects the input end of described mu balanced circuit; The power input interface of described infrared receiving tube (U1) connects described 5th pull-up resistor (R7) respectively, the second polarity free capacitor (C1) and the 3rd has polar capacitor (E1), and the output interface of described infrared receiving tube (U1) connects described 4th pull-up resistor (R6) and the 5th current-limiting resistance (R2) respectively; Described 4th pull-up resistor (R6) and described 5th pull-up resistor (R7) also connect the input end of described mu balanced circuit respectively; Described second polarity free capacitor (C1) and the 3rd has polar capacitor (E1) ground connection.
5. to check meter circuit according to the arbitrary described smart mobile phone of claim 1-4, it is characterized in that, described serial ports turns infrared circuit and comprises: the first rejection gate (U2A), second rejection gate (U2B), 3rd rejection gate (U2C), 6th pull-up resistor (R8), 7th pull-up resistor (R9), 8th pull-up resistor (R10), 9th pull-up resistor (R11), 3rd polarity free capacitor (C3), 4th polarity free capacitor (C4), 5th polarity free capacitor (C5), infrared sending tube (U3), 3rd triode (Q3) and crystal oscillator (X1), described 4th polarity free capacitor (C4) one end ground connection, the other end connects two input ends (2,3) of described crystal oscillator (X1), the 6th pull-up resistor (R8) and the first rejection gate (U2A) respectively, the output terminal (1) of described first rejection gate (U2A) connects described 6th pull-up resistor (R8) and the 7th pull-up resistor (R9) respectively, two input ends (5 of described second rejection gate (U2B), 6) connect described 7th pull-up resistor (R9), crystal oscillator (X1) and the 5th polarity free capacitor (C5) respectively, an input end (5) of described second rejection gate (U2B) also connects the input end of described 3rd polarity free capacitor (C3) and mu balanced circuit, another input end (6) also ground connection of described second rejection gate (U2B), described 5th polarity free capacitor (C5) and the 3rd polarity free capacitor (C3) ground connection, one input end (8) of described 3rd rejection gate (U2C) connects the signal transmitting terminal that described bluetooth turns serial port circuit, another input end (9) of described 3rd rejection gate (U2C) connects the output terminal (4) of described second rejection gate (U2B), and an output terminal (10) of described 3rd rejection gate (U2C) connects one end of described 8th pull-up resistor (R10), 8th pull-up resistor (R10) described in the base series of described 3rd triode (Q3), the grounded emitter of described 3rd triode (Q3), the input end of the collector of described 3rd triode (Q3), described infrared sending tube (U3), described 9th pull-up resistor (R11) and described mu balanced circuit is connected successively.
6. to check meter circuit according to the arbitrary described smart mobile phone of claim 1-4, it is characterized in that, described mu balanced circuit comprises: first has polar capacitor (E2), the first polarity free capacitor (C2), voltage stabilizing chip (U4), second to have polar capacitor (E3) and the second current-limiting resistance (R13); Described first has the input end of the input end of the positive pole of polar capacitor (E2), described first polarity free capacitor (C2), described second current-limiting resistance (R13) and described voltage stabilizing chip (U4) to connect the output terminal of described charging circuit respectively; The output terminal of described first polarity free capacitor (C2) connects the negative pole that described first has polar capacitor (E2); Described first has the earth terminal of the negative pole of polar capacitor (E2) and described voltage stabilizing chip (U4) to have the negative pole of polar capacitor (E3) to be connected with described second respectively; The output terminal of described second current-limiting resistance (R13) connects the Enable Pin (EN) of described voltage stabilizing chip; Described second has the input end of polar capacitor (E3) to connect the output terminal of described voltage stabilizing chip (U4), the described second earth terminal all ground connection having the output terminal of polar capacitor (E3) and a described voltage stabilizing chip (U4); The output terminal of described voltage stabilizing chip (U4) also connects the power input that described bluetooth turns serial port circuit.
7. checking meter circuit according to the arbitrary described smart mobile phone of claim 1-4, it is characterized in that: also comprise: for turning to described bluetooth the parameter setting circuit that infrared circuit carries out parameter reset; The power input of described parameter setting circuit is electrically connected the output terminal of described mu balanced circuit, and the external power supply end of described parameter setting circuit connects the input end of described mu balanced circuit; The signal transmitting terminal of described parameter setting circuit connects the signal transmitting terminal that described bluetooth turns serial port circuit, and the signal receiving end of described parameter setting circuit connects the signal receiving end that described bluetooth turns serial port circuit.
8. smart mobile phone according to claim 7 is checked meter circuit, it is characterized in that, described parameter setting circuit comprises: optimum configurations serial ports (J1), the 4th triode (Q4), the 5th triode (Q5), the tenth pull-up resistor (R15), the 11 pull-up resistor (R16), the 12 pull-up resistor (R17), the 13 pull-up resistor (R18), the 14 pull-up resistor (R19), the 15 pull-up resistor (R20), the second diode (D3) and optimum configurations resistance (S*1); Described 14 pull-up resistor (R19) and one end of described 15 pull-up resistor (R20) are connected the first port of described optimum configurations serial ports (J1) respectively, the other end of described 14 pull-up resistor (R19) connects described mu balanced circuit, and the other end of described 15 pull-up resistor (R20) connects described bluetooth and turns serial port circuit; 3rd port ground connection of described optimum configurations serial ports (J1), 4th port of described optimum configurations serial ports (J1) connects collector and the optimum configurations resistance (S*1) of described 4th triode (Q4) respectively, and the five-port of described optimum configurations serial ports (J1) connects the output terminal of described second diode (D3); The grounded emitter of described 4th triode (Q4), collector is also connected the tenth pull-up resistor (R15), and base stage connects the collector of described 12 pull-up resistor (R17) and described 5th triode (Q5) respectively; The grounded emitter of described 5th triode (Q5), base series the 13 pull-up resistor (R18); Described tenth pull-up resistor (R15) is electrically connected the input end of described mu balanced circuit; Described 12 pull-up resistor (R17) is electrically connected the output terminal of described mu balanced circuit; Described 13 pull-up resistor (R18) and described optimum configurations resistance (S*1) are electrically connected the signal transmitting terminal that described bluetooth turns serial port circuit respectively; The input end of described second diode (D3) is electrically connected described bluetooth respectively and turns the signal receiving end of serial port circuit and one end of the 11 pull-up resistor (R16), and the other end of described 11 pull-up resistor (R16) connects the output terminal of described mu balanced circuit.
9. smart mobile phone according to claim 4 is checked meter circuit, it is characterized in that, also comprises a pcb board and a universal audio male; One end of described pcb board has a through hole; Described charging circuit, mu balanced circuit and bluetooth turn infrared circuit and are printed on described pcb board, wherein, the output pin of described infrared receiving tube (U1) is through described through hole, the back side of described pcb board is welded on after being less than the bending of 90 degree, the Receiver of described infrared receiving tube (U1) is then positioned at the front of described pcb board, and described rechargeable battery (BAT+) is arranged on the back side of described pcb board; Described universal audio male is welded on the front of described pcb board.
10. a smart mobile phone meter-reading module, comprises shell body (308), it is characterized in that, also comprise as arbitrary in claim 1-9 as described in smart mobile phone to check meter circuit; Described smart mobile phone is checked meter, and to be positioned at described shell body (308) inner for circuit, and the trace arrangements of circuit of checking meter according to described smart mobile phone, be also preset with multiple mounting hole at the correspondence position of described shell body (308); Described shell body (308) comprises upper shell and lower house, and described upper shell periphery is provided with multiple buckle (305), and described lower house correspondence position is provided with the draw-in groove mated with described buckle, and described buckle is connected with described pocket matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411014.2U CN204680192U (en) | 2015-06-15 | 2015-06-15 | A kind of smart mobile phone is checked meter circuit and module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411014.2U CN204680192U (en) | 2015-06-15 | 2015-06-15 | A kind of smart mobile phone is checked meter circuit and module |
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| Publication Number | Publication Date |
|---|---|
| CN204680192U true CN204680192U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520411014.2U Expired - Fee Related CN204680192U (en) | 2015-06-15 | 2015-06-15 | A kind of smart mobile phone is checked meter circuit and module |
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| CN (1) | CN204680192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903066A (en) * | 2019-12-03 | 2021-06-04 | 成都秦川物联网科技股份有限公司 | Infrared reader-writer convenient for information input and reading |
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2015
- 2015-06-15 CN CN201520411014.2U patent/CN204680192U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903066A (en) * | 2019-12-03 | 2021-06-04 | 成都秦川物联网科技股份有限公司 | Infrared reader-writer convenient for information input and reading |
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