CN202713548U - Hand-held wireless interphone - Google Patents
Hand-held wireless interphone Download PDFInfo
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- CN202713548U CN202713548U CN2012203408288U CN201220340828U CN202713548U CN 202713548 U CN202713548 U CN 202713548U CN 2012203408288 U CN2012203408288 U CN 2012203408288U CN 201220340828 U CN201220340828 U CN 201220340828U CN 202713548 U CN202713548 U CN 202713548U
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- Prior art keywords
- circuit
- microprocessor
- voltage stabilizing
- power source
- internal battery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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- Transceivers (AREA)
Abstract
The utility model is suitable for the interphone structure design field, and provides a hand-held wireless interphone, comprising an interphone main body and a built-in battery. The interphone main body comprises a front shell and a back shell, and the built-in battery is fixed in a cavity formed by fixing the front shell and the back shell. Being different from the conventional battery external hand-held wireless interphone, the hand-held wireless interphone provided by the utility model enables the battery to be arranged in the interphone main body, thereby reducing the poor contact risk of the battery and the interphone main body caused by vibration.
Description
Technical field
The utility model belongs to intercom structural design field, relates in particular to a kind of portable wireless intercom.
Background technology
The portable wireless intercom is a kind of radio transmission-receiving function that has, and the communication equipment that volume is little, lightweight, power is little, is applicable to writing to each other between the mobile personnel in the certain limit.Known ground, the portable wireless intercom that prior art provides comprises that intercom main body and is placed on the rechargeable battery of intercom main body, and in order to make things convenient for the user to charge, and is designed with two exposed charging metal pole pieces at the shell of rechargeable battery.
Yet, this kind portable wireless intercom that prior art provides in use, rechargeable battery is owing to be placed on the intercom main body so that rechargeable battery very easily is given a shock with the loose contact of intercom main body.
The utility model content
The purpose of this utility model is to provide a kind of portable wireless intercom, and the portable wireless intercom that being intended to solve prior art provides is placed on the intercom main body owing to rechargeable battery, is easy to cause the problem of rechargeable battery and the loose contact of intercom main body.
The utility model is achieved in that a kind of portable wireless intercom, comprises intercom main body and an internal battery, and described intercom main body comprises fore shell and back cover, and described internal battery is fixed in described fore shell and the fixing rear cavity that forms of described back cover.
Wherein, described intercom main body also can comprise power supply circuits, and described power supply circuits comprise:
Microprocessor;
Connect described microprocessor, the output voltage of described internal battery is converted to the first voltage stabilizing circuit of described microprocessor power supply voltage;
Be connected on the mains switch of described internal battery on the supply access of described the first voltage stabilizing circuit power supply.
Further, described power supply circuits also can comprise:
Connect described internal battery and described microprocessor, detect the voltage detecting circuit of described internal battery current output voltage value;
Connect described microprocessor, send the cue circuit of cue according to the described internal battery current output voltage value that described voltage detecting circuit detects.
Further, when described internal battery was rechargeable battery, described power supply circuits also can comprise:
The external power source interface;
Connect described external power source interface and described microprocessor, detect the power sense circuit whether described external power source interface is connected with an external power source;
Connect described external power source interface and described internal battery, the described internal battery current output voltage value that detects according to described voltage detecting circuit will generate with the direct current conversion of described external power source output to the pulse charging circuit of the pulse-width signal of described internal battery charging;
Connect described pulse charging circuit and described microprocessor, the described internal battery current output voltage value that detects according to described voltage detecting circuit is controlled the charging control circuit of duty ratio of the described pulse-width signal of described pulse charging circuit output.
Further, described power supply circuits also can comprise:
Connect described external power source interface and described microprocessor, will convert with described external power source output voltage the second voltage stabilizing circuit of described microprocessor power supply voltage to;
Connect described mains switch and described microprocessor, detect the switch detection circuit of described mains switch closure or off-state;
Connect described the first voltage stabilizing circuit and described microprocessor, detect and control the out-of-work controlling circuit of voltage regulation of described the first voltage stabilizing circuit when described external power source interface is connected with described external power source when described switch detection circuit detects the closed and described power sense circuit of described mains switch.
At this moment, described microprocessor can be that a model is the 8-bit microprocessor U1 of ATmega8-16AC;
The first analog input pin of described microprocessor U1 connects described switch detection circuit, the second analog input pin of described microprocessor U1 connects described power sense circuit, and the 3rd analog input pin of described microprocessor U1 connects described voltage detecting circuit; The first two-way input and output pin of described microprocessor U1 connects described cue circuit; The 5V energization pins of described microprocessor U1 connects described the first voltage stabilizing circuit and described the second voltage stabilizing circuit; The second two-way input and output pin of described microprocessor U1 connects described controlling circuit of voltage regulation; The 3rd two-way input and output pin of described microprocessor U1 connects described charging control circuit.
Simultaneously, described mains switch can comprise a switch S 1, and an end of described switch S 1 connects described internal battery, and the other end of described switch S 1 connects the input of described the first voltage stabilizing circuit;
Described the first voltage stabilizing circuit can comprise: the first voltage stabilizing chip, capacitor C 5, capacitor C 6, capacitor C 7 and capacitor C 8; The input pin of described the first voltage stabilizing chip connects the other end of described switch S 1 as the input of described the first voltage stabilizing circuit, and the output pin of described the first voltage stabilizing chip connects described microprocessor; Described capacitor C 5 and described capacitor C 6 are connected between the input pin and ground of described the first voltage stabilizing chip, and described capacitor C 7 and described capacitor C 8 are connected between the output pin and ground of described the first voltage stabilizing chip.
Simultaneously, when described external power source is DC power supply, described the second voltage stabilizing circuit can comprise that one connects described external power source interface, direct current to described external power source output carries out the chopper circuit that rear output is processed in step-down, and described the second voltage stabilizing circuit also comprises: the second voltage stabilizing chip, capacitor C 9, capacitor C 10, capacitor C 11 and capacitor C 12;
The input pin of described the second voltage stabilizing chip connects the output of described chopper circuit, the output pin of described the second voltage stabilizing chip connects described microprocessor, described capacitor C 9 and described capacitor C 10 are connected between the input pin and ground of described the second voltage stabilizing chip U3, and described capacitor C 11 and described capacitor C 12 are connected between the output pin and ground of described the second voltage stabilizing chip.
Further, when described external power source was AC power, described the second voltage stabilizing circuit also can comprise a current rectifying and wave filtering circuit, and described external power source interface connects described chopper circuit by described current rectifying and wave filtering circuit.
In the above-mentioned portable wireless intercom, described microprocessor is placed on the interior mainboard of described fore shell, be provided with the groove of an accommodating described internal battery on the described back cover, the top edge of described groove and a battery cover are fixed, and the power outlet of described internal battery is plugged on the described mainboard.
The portable wireless intercom that the utility model provides is owing to be that battery is built in the intercom main body, thereby reduced owing to shake the risk that causes battery and the loose contact of intercom main body; Have again, in power supply circuits, increase voltage detecting circuit and cue circuit, can make things convenient for the user to check at any time the current output voltage value of internal battery; Have again, in power supply circuits, increase external power source interface, pulse charging circuit, charging control circuit and power sense circuit, thereby so that this portable wireless intercom has possessed the function of intelligent charger, the configuration seat fills and need not in addition, reduced the cost of product, and the charging metal pole piece that need not to expose owing to rechargeable battery is built-in, thereby eliminated the risk that sets off an explosion, and can not be corroded by external environment; Further, the external power source that is connected with the external power source interface also can directly provide the operating voltage of microprocessor and portable wireless intercom, when external power source is arranged, directly utilizes external power source to keep system works, and can charge to internal battery the perfect function of portable wireless intercom.
Description of drawings
Fig. 1 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the first embodiment;
Fig. 2 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the second embodiment;
Fig. 3 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the 3rd embodiment;
Fig. 4 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the 4th embodiment;
Fig. 5 is in the utility model, the circuit diagram of microprocessor;
Fig. 6 is in the utility model, the circuit diagram of mains switch and the first voltage stabilizing circuit;
Fig. 7 is in the utility model, the circuit diagram of the second voltage stabilizing circuit;
Fig. 8 is in the utility model, the installation diagram of internal battery and back cover.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
For the problem that existing portable wireless intercom exists, the portable wireless intercom that the utility model provides is that rechargeable battery is built in the intercom main body of portable wireless intercom.
Particularly, the portable wireless intercom that provides of the utility model comprises intercom main body and an internal battery; The intercom main body comprises fore shell and back cover, and fore shell and back cover are fixed, and internal battery is fixed in fore shell and the fixing rear cavity that forms of back cover.
The portable wireless intercom that the utility model embodiment provides is owing to be that battery is built in the intercom main body, thereby reduced owing to shake the risk that causes battery and the loose contact of intercom main body.At this moment, owing to be internal battery, corresponding, in this portable wireless intercom, the power supply circuits that are fixed on the interior power supply circuits of intercom main body and existing external cell type portable wireless intercom are different.
Fig. 1 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the first embodiment, for convenience of explanation, only shows the part relevant with the utility model the first embodiment.
Particularly, the power supply circuits of portable wireless intercom comprise: microprocessor 13; Connect microprocessor 13, the output voltage of internal battery is converted to the first voltage stabilizing circuit 12 of microprocessor 13 supply power voltages; Be connected on the mains switch 11 of internal battery on the supply access of the first voltage stabilizing circuit 12 power supply.
This circuit is in when work, and the user controls the state that mains switch 11 is closed or disconnect, can control internal battery and whether power to microprocessor 13, microprocessor 13 electric after, control portable wireless intercom works.
Fig. 2 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the second embodiment, for convenience of explanation, only shows the part relevant with the utility model the second embodiment.
From shown in Figure 1 different, the power supply circuits of the portable wireless intercom that the utility model the second embodiment provides also comprise on the basis of Fig. 1: connect internal battery and microprocessor 13, detect the voltage detecting circuit 14 of internal battery current output voltage value; And connect microprocessor 13, detect the cue circuit 15 that internal battery current output voltage value is sent cue according to voltage detecting circuit 14.Cue circuit 15 wherein can be based on the light cue circuit of light-emitting diode, based on the voice warning circuit of loud speaker and/or the screen display circuit of portable wireless intercom.
With respect to the utility model the first embodiment, the portable wireless intercom that the utility model the second embodiment provides has increased the measuring ability of internal battery supply power voltage, so that the user can in time understand current dump energy, and change internal battery or charge to internal battery according to the prompting situation.
Existing portable wireless intercom is at high-risk occasion (as: coal mine, oil vapour field, when oil tanker etc.) using, there is the risk that sets off an explosion in charging metal pole piece exposed on the external rechargeable battery, and corroded by external environment easily, existing portable wireless intercom is to fill to the rechargeable battery charging by the external seat that is equipped with simultaneously, uses inconvenience, and cost is high.For this problem, the power supply circuits of the portable wireless intercom that the utility model the 3rd embodiment provides have comprised the circuit that internal battery is charged, the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the 3rd embodiment such as Fig. 3, the internal battery of this moment is rechargeable battery, for convenience of explanation, only show the part relevant with the utility model the 3rd embodiment.
From shown in Figure 2 different, the power supply circuits of the portable wireless intercom that the utility model the 3rd embodiment provides also comprise on the basis of Fig. 2: external power source interface 16; Connect external power source interface 16 and microprocessor 13, detect the power sense circuit 19 whether external power source interface 16 is connected with external power source; Connect external power source interface 16 and internal battery, according to the pulse charging circuit 17 that voltage detecting circuit 14 detects internal battery current output voltage value, the direct current conversion of the external power source output that will be connected with external power source interface 16 generates the pulse-width signal that charges to internal battery; Connect pulse charging circuit 17 and microprocessor 13, the charging control circuit 18 of the duty ratio of the pulse-width signal of internal battery current output voltage value control impuls charging circuit 17 outputs that detect according to voltage detecting circuit 14.
This circuit is when work, and the user controls the state of mains switch 11 closures or disconnection, and then whether the control internal battery powers to microprocessor 13.When the user controlled mains switch 11 closure, internal battery was to microprocessor 13 power supplies, and microprocessor 13 control portable wireless intercoms work; Simultaneously, interface 16 is connected with external power source if power sense circuit 19 detects the detection external power source, the output voltage of the internal battery that detects in real time according to voltage detecting circuit 14 of microprocessor 13 then, control cue circuit 15 sends corresponding prompting, and by control charging control circuit 18, control impuls charging circuit 17 is to the duty ratio of the pulse-width signal of internal battery output, with the speed of control impuls charging circuit 17 to the internal battery charging.
With respect to prior art and circuit illustrated in figures 1 and 2, portable wireless intercom that the utility model the 3rd embodiment provides has increased the external power source interface 16 that can charge to internal battery, pulse charging circuit 17, charging control circuit 18 and power sense circuit 19, thereby so that this portable wireless intercom has possessed the function of intelligent charger, the configuration seat fills and need not in addition, reduced the cost of product, and the charging metal pole piece that need not to expose owing to rechargeable battery is built-in, thereby eliminated the risk that sets off an explosion, and can not be corroded by external environment.
Fig. 4 is the power supply circuits theory diagram of the portable wireless intercom that provides of the utility model the 4th embodiment, for convenience of explanation, only shows the part relevant with the utility model the 4th embodiment.
From shown in Figure 3 different, the power supply circuits of the portable wireless intercom that the utility model the 4th embodiment provides are on the basis of Fig. 3, also comprise: connect external power source interface 16 and microprocessor 13, the external power source output voltage that will be connected with external power source interface 16 converts the second voltage stabilizing circuit 20 of microprocessor 13 supply power voltages to; Connect mains switch 11 and microprocessor 13, detect the switch detection circuit 22 of mains switch 11 closures or off-state; Connect the first voltage stabilizing circuit 12 and microprocessor 13, when switch detection circuit 22 detects mains switch 11 closures and power sense circuit 19 and detects external power source interface 16 and be connected with external power source, control the first voltage stabilizing circuit 12 out-of-work controlling circuit of voltage regulation 21.
This circuit is when work, and the user controls the state of mains switch 11 closures or disconnection, and then whether the control internal battery powers to microprocessor 13.Disconnect when the user controls mains switch 11, and power sense circuit 19 detects when detecting external power source interface 16 and not being connected with external power source, not power consumption of internal battery, the portable wireless intercom is not worked; When the user controls mains switch 11 closures, and when power sense circuit 19 detects and detects external power source interface 16 and be not connected with external power source, internal battery is to microprocessor 13 power supplies, microprocessor 13 control portable wireless intercom normal operations, and microprocessor 13 detects internal battery current output voltage value control cue circuit 15 according to voltage detecting circuit 14 and sends cue, whether needs charging with prompting user; When controlling mains switch 11, the user disconnects, and when power sense circuit 19 detects and detects external power source interface 16 and be connected with external power source, external power source is powered to microprocessor 13 by the second voltage stabilizing circuit 20, microprocessor 13 detects mains switch 11 by switch detection circuit 21 and is in off-state, then microprocessor 13 control portable wireless intercoms are not worked, the output voltage of the internal battery that detects in real time according to voltage detecting circuit 14 of microprocessor 13 simultaneously, control cue circuit 15 sends corresponding prompting, and the output voltage that detects internal battery when voltage detecting circuit 14 is when being lower than preset value, by control charging control circuit 18, control impuls charging circuit 17 is to the duty ratio of the pulse-width signal of internal battery output, and whether charging to internal battery with control impuls charging circuit 17 reaches the speed of charging; When the user controls mains switch 11 closures, and when power sense circuit 19 detects and detects external power source interface 16 and be connected with external power source, external power source is powered to microprocessor 13 by the second voltage stabilizing circuit 20, microprocessor 13 detects mains switch 11 by switch detection circuit 21 and is in closure state, then microprocessor 13 control portable wireless intercom normal operations, simultaneously, microprocessor 13 is not worked by control controlling circuit of voltage regulation 21 controls the first voltage stabilizing circuit 12, and only provide the normal operation of portable wireless intercom required electric energy by external power source, simultaneously, the output voltage of the internal battery that microprocessor 13 detects in real time according to voltage detecting circuit 14, control cue circuit 15 sends corresponding prompting, and the output voltage that detects internal battery when voltage detecting circuit 14 is when being lower than preset value, by control charging control circuit 18, control impuls charging circuit 17 is to the duty ratio of the pulse-width signal of internal battery output, and whether charging to internal battery with control impuls charging circuit 17 reaches the speed of charging.
From shown in Figure 3 different, in the portable wireless intercom that the utility model the 4th embodiment provides, external power source also can provide the electric energy of microprocessor 13 and portable wireless intercom normal operation except having to the function of internal battery charging, is more convenient for user's use.
Fig. 5 shows in the utility model, the circuit of microprocessor 13.
Particularly, microprocessor 13 can be that a model is the 8-bit microprocessor U1 of ATmega8-16AC.The first analog input pin PC0/ADC0 connecting valve testing circuit 22 of microprocessor U1, the second analog input pin PC1/ADC1 of microprocessor U1 connects power sense circuit 19, and the 3rd analog input pin PC0/ADC3 of microprocessor U1 connects voltage detecting circuit 14; The first two-way input and output pin PD2/INT0 of microprocessor U1 connects cue circuit 15; The 5V energization pins VCC of microprocessor U1 connects the first voltage stabilizing circuit 12 and the second voltage stabilizing circuit 20; The second two-way input and output pin PD2/INT1 of microprocessor U1 connects controlling circuit of voltage regulation 21; The 3rd two-way input and output pin PD4/XCK/T0 of microprocessor U1 connects charging control circuit 18.
Fig. 6 shows in the utility model, the circuit of mains switch 11 and the first voltage stabilizing circuit 12.
Particularly, mains switch 11 can comprise a switch S 1, and an end of switch S 1 connects internal battery, and the other end of switch S 1 connects the input of the first voltage stabilizing circuit 12.
The first voltage stabilizing circuit 12 can comprise: the first voltage stabilizing chip U2, capacitor C 5, capacitor C 6, capacitor C 7 and capacitor C 8.The input pin Vin of the first voltage stabilizing chip U2 is as the other end of the input connecting valve S1 of the first voltage stabilizing circuit 13, and the output pin Vout of the first voltage stabilizing chip U2 connects microprocessor 13; Capacitor C 5 and capacitor C 6 are connected between the input pin Vin and ground of the first voltage stabilizing chip U2, and capacitor C 7 and capacitor C 8 are connected between the output pin Vout and ground of the first voltage stabilizing chip U2.
Fig. 7 shows in the utility model, the circuit of the second voltage stabilizing circuit 20.
Particularly, when the external power source that is connected with external power source interface 16 was DC power supply, the second voltage stabilizing circuit 20 can comprise: connect external power source interface 16, the direct current of external power source output is carried out the chopper circuit 202 of the rear output of step-down processing; At this moment, the second voltage stabilizing circuit 20 also comprises: the second voltage stabilizing chip U3, capacitor C 9, capacitor C 10, capacitor C 11 and capacitor C 12, the input pin Vin of the second voltage stabilizing chip U3 connects the output of chopper circuit 202, the output pin Vout of the second voltage stabilizing chip U3 connects microprocessor 13, capacitor C 9 and capacitor C 10 are connected between the input pin Vin and ground of the second voltage stabilizing chip U3, and capacitor C 11 and capacitor C 12 are connected between the output pin Vout and ground of the second voltage stabilizing chip U3.
When the external power source that is connected with external power source interface 16 was AC power, the second voltage stabilizing circuit 20 also further comprised current rectifying and wave filtering circuit 201, and at this moment, external power source interface 16 connects chopper circuit 202 by current rectifying and wave filtering circuit 201.
Fig. 8 is in the utility model, the installation diagram of internal battery and back cover, and at this moment, microprocessor 13 is to place on the mainboard that is placed in the fore shell.It will be understood by those of skill in the art that Fig. 8 only for a kind of possibility in numerous assembling schemes, in the reality, also can use other assembling scheme, its purpose all is for internal battery being fixed in the fixing rear cavity that forms of fore shell and back cover.
Among the utility model embodiment, be provided with the groove 25 of an accommodating internal battery 23 at back cover 24, battery cover 26 is fixed with the top edge of groove 25, thereby internal battery 23 is covered.In order to improve stability, battery cover 26 is buckled on the top edge of groove 25 by screwed lock.The power outlet 231 of internal battery 23 is plugged on the interior mainboard of fore shell.
When assembling, at first internal battery 23 is positioned in the groove 25, with screw battery cover 26 is latched in the top edge of groove 25 again, afterwards the power outlet of internal battery 23 is plugged on the mainboard in the fore shell, utilize at last screw that back cover is locked on the fore shell.
The portable wireless intercom that the utility model embodiment provides is owing to be that battery is built in the intercom main body, thereby reduced owing to shake the risk that causes battery and the loose contact of intercom main body; Have again, in power supply circuits, increase voltage detecting circuit 14 and cue circuit 15, can make things convenient for the user to check at any time the current output voltage value of internal battery; Have again, in power supply circuits, increase external power source interface 16, pulse charging circuit 17, charging control circuit 18 and power sense circuit 19, thereby so that this portable wireless intercom has possessed the function of intelligent charger, the configuration seat fills and need not in addition, reduced the cost of product, and the charging metal pole piece that need not to expose owing to rechargeable battery is built-in, thereby eliminated the risk that sets off an explosion, and can not be corroded by external environment; Further, the external power source that is connected with external power source interface 16 also can directly provide the operating voltage of microprocessor 13 and portable wireless intercom, when external power source is arranged, directly utilize external power source to keep system works, and can charge to internal battery the perfect function of portable wireless intercom.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a portable wireless intercom comprises intercom main body and an internal battery, and described intercom main body comprises fore shell and back cover, it is characterized in that, described internal battery is fixed in described fore shell and the fixing rear cavity that forms of described back cover.
2. portable wireless intercom as claimed in claim 1 is characterized in that, described intercom main body also comprises power supply circuits, and described power supply circuits comprise:
Microprocessor;
Connect described microprocessor, the output voltage of described internal battery is converted to the first voltage stabilizing circuit of described microprocessor power supply voltage;
Be connected on the mains switch of described internal battery on the supply access of described the first voltage stabilizing circuit power supply.
3. portable wireless intercom as claimed in claim 2 is characterized in that, described power supply circuits also comprise:
Connect described internal battery and described microprocessor, detect the voltage detecting circuit of described internal battery current output voltage value;
Connect described microprocessor, send the cue circuit of cue according to the described internal battery current output voltage value that described voltage detecting circuit detects.
4. portable wireless intercom as claimed in claim 3 is characterized in that, described internal battery is rechargeable battery, and described power supply circuits also comprise:
The external power source interface;
Connect described external power source interface and described microprocessor, detect the power sense circuit whether described external power source interface is connected with an external power source;
Connect described external power source interface and described internal battery, the described internal battery current output voltage value that detects according to described voltage detecting circuit will generate with the direct current conversion of described external power source output to the pulse charging circuit of the pulse-width signal of described internal battery charging;
Connect described pulse charging circuit and described microprocessor, the described internal battery current output voltage value that detects according to described voltage detecting circuit is controlled the charging control circuit of duty ratio of the described pulse-width signal of described pulse charging circuit output.
5. portable wireless intercom as claimed in claim 4 is characterized in that, described power supply circuits also comprise:
Connect described external power source interface and described microprocessor, will convert with described external power source output voltage the second voltage stabilizing circuit of described microprocessor power supply voltage to;
Connect described mains switch and described microprocessor, detect the switch detection circuit of described mains switch closure or off-state;
Connect described the first voltage stabilizing circuit and described microprocessor, detect and control the out-of-work controlling circuit of voltage regulation of described the first voltage stabilizing circuit when described external power source interface is connected with described external power source when described switch detection circuit detects the closed and described power sense circuit of described mains switch.
6. portable wireless intercom as claimed in claim 5 is characterized in that, described microprocessor is that a model is the 8-bit microprocessor U1 of ATmega8-16AC;
The first analog input pin of described microprocessor U1 connects described switch detection circuit, the second analog input pin of described microprocessor U1 connects described power sense circuit, and the 3rd analog input pin of described microprocessor U1 connects described voltage detecting circuit; The first two-way input and output pin of described microprocessor U1 connects described cue circuit; The 5V energization pins of described microprocessor U1 connects described the first voltage stabilizing circuit and described the second voltage stabilizing circuit; The second two-way input and output pin of described microprocessor U1 connects described controlling circuit of voltage regulation; The 3rd two-way input and output pin of described microprocessor U1 connects described charging control circuit.
7. portable wireless intercom as claimed in claim 5 is characterized in that, described mains switch comprises a switch S 1, and an end of described switch S 1 connects described internal battery, and the other end of described switch S 1 connects the input of described the first voltage stabilizing circuit;
Described the first voltage stabilizing circuit comprises: the first voltage stabilizing chip, capacitor C 5, capacitor C 6, capacitor C 7 and capacitor C 8; The input pin of described the first voltage stabilizing chip connects the other end of described switch S 1 as the input of described the first voltage stabilizing circuit, and the output pin of described the first voltage stabilizing chip connects described microprocessor; Described capacitor C 5 and described capacitor C 6 are connected between the input pin and ground of described the first voltage stabilizing chip, and described capacitor C 7 and described capacitor C 8 are connected between the output pin and ground of described the first voltage stabilizing chip.
8. portable wireless intercom as claimed in claim 5, it is characterized in that, described external power source is DC power supply, described the second voltage stabilizing circuit comprises that one connects described external power source interface, direct current to described external power source output carries out the chopper circuit that rear output is processed in step-down, and described the second voltage stabilizing circuit also comprises: the second voltage stabilizing chip, capacitor C 9, capacitor C 10, capacitor C 11 and capacitor C 12;
The input pin of described the second voltage stabilizing chip connects the output of described chopper circuit, the output pin of described the second voltage stabilizing chip connects described microprocessor, described capacitor C 9 and described capacitor C 10 are connected between the input pin and ground of described the second voltage stabilizing chip U3, and described capacitor C 11 and described capacitor C 12 are connected between the output pin and ground of described the second voltage stabilizing chip.
9. portable wireless intercom as claimed in claim 8, it is characterized in that, described external power source is AC power, and described the second voltage stabilizing circuit also comprises a current rectifying and wave filtering circuit, and described external power source interface connects described chopper circuit by described current rectifying and wave filtering circuit.
10. such as each described portable wireless intercom of claim 1 to 9, it is characterized in that, described microprocessor is placed on the interior mainboard of described fore shell, be provided with the groove of an accommodating described internal battery on the described back cover, the top edge of described groove and a battery cover are fixed, and the power outlet of described internal battery is plugged on the described mainboard.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203408288U CN202713548U (en) | 2012-07-13 | 2012-07-13 | Hand-held wireless interphone |
| PCT/CN2012/087461 WO2014008750A1 (en) | 2012-07-13 | 2012-12-26 | Hand-held wireless interphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203408288U CN202713548U (en) | 2012-07-13 | 2012-07-13 | Hand-held wireless interphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202713548U true CN202713548U (en) | 2013-01-30 |
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ID=47593800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203408288U Expired - Lifetime CN202713548U (en) | 2012-07-13 | 2012-07-13 | Hand-held wireless interphone |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202713548U (en) |
| WO (1) | WO2014008750A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114794647A (en) * | 2022-04-25 | 2022-07-29 | 东北大学 | Zero-carbon-emission intelligent temperature control shoe based on Arduino single chip microcomputer and control method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699104U (en) * | 2010-01-13 | 2011-01-05 | 赫力实业股份有限公司 | Secondary battery |
-
2012
- 2012-07-13 CN CN2012203408288U patent/CN202713548U/en not_active Expired - Lifetime
- 2012-12-26 WO PCT/CN2012/087461 patent/WO2014008750A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2014008750A1 (en) | 2014-01-16 |
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Address after: 518000 Guangdong province Shenzhen city Baoan District street Xixiang city road route Shu AFP Second Industrial Park building C, No. 1 on the third floor Patentee after: SHENZHEN JIUZHOU HIMUNICATION TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong province Shenzhen city Nanshan District high tech park in the Southern District of science and technology 12 road Jiuzhou Electric Building 7 floor B712 (box No. 18) Patentee before: SHENZHEN JIUZHOU HIMUNICATION TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20130130 |