CN204102572U - Recording pen control circuit and recording pen - Google Patents
Recording pen control circuit and recording pen Download PDFInfo
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- CN204102572U CN204102572U CN201420500754.9U CN201420500754U CN204102572U CN 204102572 U CN204102572 U CN 204102572U CN 201420500754 U CN201420500754 U CN 201420500754U CN 204102572 U CN204102572 U CN 204102572U
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Abstract
The utility model discloses a kind of recording pen control circuit and recording pen, comprise power supply, governor circuit, recording circuit, video circuit, switch switching circuit, recording power output circuit, video recording power output circuit; Switch switching circuit output switching signal; Governor circuit receives switching signal and exports recording power control signal and video recording power control signal; Video recording power output circuit controls the output state of the first voltage; Recording power output circuit controls the output state of the second voltage; Video circuit opens video recording under the control of governor circuit after receiving the first voltage; Recording circuit opens recording under the control of governor circuit after receiving the second voltage.The utility model, by changing the on off state of switch switching circuit, controls the voltage output state of recording power output circuit and video recording power output circuit, and then realizes sound-recording function or recording function, the switching simple and fast between this video and audio recording.
Description
Technical field
The utility model relates to recording device, more particularly, relates to a kind of recording pen control circuit and recording pen.
Background technology
Recording pen, for record audio file, is mainly used in the occasions such as news interview, meeting or speech record.Present recording pen design comparison is small and exquisite, easy to carry, simple to operate.Along with the multifunction development trend of electronic equipment, present recording pen also addition of other functions gradually, such as recording function, illumination functions etc.But the existing recording pen with recording function, its video recording controls and recording controls to be take independent switch directly to control, and can not realize the quick switching between recording and video recording.
Therefore, prior art existing defects, needs to improve.
Utility model content
The technical problems to be solved in the utility model is, for above-mentioned recording, the recording function switching defect not easily of prior art, provides a kind of recording pen control circuit and recording pen.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of recording pen control circuit, comprise power supply, governor circuit, recording circuit, video circuit, also comprise switch switching circuit, recording power output circuit, video recording power output circuit;
Described governor circuit is connected with described power supply, recording circuit, video circuit, switch switching circuit, recording power output circuit, power output circuit of recording a video respectively, described recording power output circuit connects described power supply and recording circuit respectively, and described video recording power output circuit connects described power supply and video circuit respectively;
Described switch switching circuit is used for the output switching signal when switch change state; Described governor circuit is for receiving described switching signal and exporting corresponding recording power control signal and video recording power control signal; Described video recording power output circuit is used for the output state controlling to export to the first voltage of described video circuit according to described video recording power control signal; Described recording power output circuit is used for the output state controlling to export to the second voltage of described recording circuit according to described recording power control signal; Described video circuit is used under the control of described governor circuit, opening video recording after receiving described first voltage; Described recording circuit is used under the control of described governor circuit, opening recording after receiving described second voltage.
In recording pen control circuit described in the utility model, described switch switching circuit comprises a single toggle switch of two grades, the common port of described toggle switch is connected to described governor circuit, the first end ground connection of described toggle switch, the second termination internal work power supply of described toggle switch.
In recording pen control circuit described in the utility model, described video recording power output circuit comprises: power switch circuit and mu balanced circuit;
Described power supply, power switch circuit, mu balanced circuit, video circuit connect successively, and described power switch circuit is also connected with governor circuit respectively with mu balanced circuit;
The described video recording power control signal that described power switch circuit is used for according to receiving realizes conducting or cut-off; Described mu balanced circuit is used for when described power switch circuit conducting, and the first voltage of stable output is to described video circuit.
In recording pen control circuit described in the utility model, described power switch circuit comprises: the first triode, the first feedback resistance, the first metal-oxide-semiconductor, the second feedback resistance;
The source electrode of described first metal-oxide-semiconductor connects described power supply, the source electrode of described first metal-oxide-semiconductor is also connected to the grid of the first metal-oxide-semiconductor by described second feedback resistance, the drain electrode of described first metal-oxide-semiconductor connects described mu balanced circuit, the grid of described first metal-oxide-semiconductor connects the collector of the first triode, the grounded emitter of described first triode, the emitter of described first triode is also connected to the base stage of the first triode by described first feedback resistance, the base stage of described first triode connects described governor circuit.
In recording pen control circuit described in the utility model, described power switch circuit also comprises: the second triode, the 3rd feedback resistance, the second metal-oxide-semiconductor, the 4th feedback resistance, the 3rd metal-oxide-semiconductor, the first diode, the second diode, the 3rd diode, USB power source interface;
The source electrode of described second metal-oxide-semiconductor connects described power supply, the source electrode of the second metal-oxide-semiconductor is also connected to the grid of the second metal-oxide-semiconductor by described 4th feedback resistance, the drain electrode of the second metal-oxide-semiconductor connects the drain electrode of the 3rd metal-oxide-semiconductor, the source electrode of the 3rd metal-oxide-semiconductor connects the source electrode of described first metal-oxide-semiconductor, the grid of the 3rd metal-oxide-semiconductor and the second metal-oxide-semiconductor is all connected to the collector of the second triode, the grounded emitter of the second triode, the base stage of the second triode is connected to the emitter of the second triode by the 3rd feedback resistance, the base stage of the second triode is also connected to governor circuit;
The positive pole of described first diode and the 3rd diode is all connected to the power input pin of described USB power source interface, the negative pole of described first diode is connected to the negative pole of the second diode and the source electrode of the first metal-oxide-semiconductor respectively, the negative pole of the 3rd diode is connected to the grid of described 3rd metal-oxide-semiconductor, and the positive pole of the second diode is connected to described power supply.
In recording pen control circuit described in the utility model, described mu balanced circuit comprises the first voltage stabilizing chip, inductance, the power input pin of the first voltage stabilizing chip and enable pin are all connected to the drain electrode of the first metal-oxide-semiconductor, and the power supply output pin of the first voltage stabilizing chip is connected to video circuit by described inductance.
In recording pen control circuit described in the utility model, described governor circuit comprise digital processing chip that model is DSP918, for store the video file that video circuit sends over SD card, for storing the FLASH of the audio file that recording circuit sends over, described recording power output circuit comprises the second voltage stabilizing chip that microcontroller that model is LX805P and model are M0L52E300MR
7th, 13, No. 12 pin of microcontroller is connected to the 37th, 5, No. 4 pin of digital processing chip respectively one to one, No. 14 pin of microcontroller is connected to the enable pin of described second voltage stabilizing chip, and the power supply output pin of the second voltage stabilizing chip connects described recording circuit.
In recording pen control circuit described in the utility model, also comprise the telecommunication circuit set up network communication with server and be connected, be connected with described video circuit, mobile terminal is used for the monitored picture successively by described server and telecommunication circuit Real-time Obtaining video circuit.
In recording pen control circuit described in the utility model, described network communications circuits comprises the network switch head for grafting netting twine.
The invention also discloses a kind of recording pen, comprise housing, described recording pen also comprises described recording pen control circuit.
Implement recording pen control circuit of the present utility model and recording pen, there is following beneficial effect: the utility model is selected by the on off state directly changing switch switching circuit, control the voltage output state of recording power output circuit and video recording power output circuit, and then realize sound-recording function or recording function.Switching between this video and audio recording function, simple and fast.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structured flowchart of the utility model recording pen control circuit first embodiment;
Fig. 2 is the circuit diagram of governor circuit in Fig. 1 and switch switching circuit;
Fig. 3 is the circuit diagram of the video recording power output circuit in Fig. 1;
Fig. 4 is the circuit diagram of the recording power output circuit in Fig. 1;
Fig. 5 is the circuit diagram of the recording circuit in Fig. 1;
Fig. 6 is the structured flowchart of the second embodiment of the utility model recording pen control circuit;
Fig. 7 is the front view of the utility model recording pen;
Fig. 8 is the front view of another embodiment of the utility model recording pen.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
With reference to the structured flowchart that figure 1 is the utility model recording pen control circuit first embodiment.
The utility model recording pen control circuit comprises: power supply 10, governor circuit 20, recording circuit 40, video circuit 60, switch switching circuit 70, recording power output circuit 30, video recording power output circuit 50;
Described governor circuit 20 is connected with described power supply 10, recording circuit 40, video circuit 60, switch switching circuit 70, power output circuit 30 of recording, power output circuit 50 of recording a video respectively, described recording power output circuit 30 connects described power supply 10 and recording circuit 40 respectively, and described video recording power output circuit 50 connects described power supply 10 and video circuit 60 respectively;
Described switch switching circuit 70 is for the output switching signal when state changed by switch; Described governor circuit 20 is for receiving described switching signal and exporting corresponding recording power control signal and video recording power control signal; Described video recording power output circuit 50 is for controlling according to described video recording power control signal the output state exporting the first voltage of described video circuit 60 to; Described recording power output circuit 30 is for controlling according to described recording power control signal the output state exporting the second voltage of described recording circuit 40 to; Described video circuit 60 for opening video recording and stopping video recording before the first voltage disconnects and video file is sent to described governor circuit 20 under the control of described governor circuit 20 after receiving described first voltage under the control of described governor circuit 20; Described recording circuit 40 for opening recording and stopping recording before the second voltage disconnects and audio file is sent to described governor circuit 20 under the control of described governor circuit 20 after receiving described second voltage under the control of described governor circuit 20.Wherein, the first voltage is the operating voltage of video circuit 60, and the second voltage is the operating voltage of recording circuit 40.
Wherein governor circuit 20 controls unlatching and the preservation file that file and video circuit 60 were opened and preserved to recording circuit 40, belong to prior art, of the present utility modelly to focus on, before recording circuit 40 and video circuit 60 are opened and after terminating, governor circuit 20 is to the control of the supply of its voltage, particularly the voltage supply of video circuit 60 is controlled, the realization of power output circuit 50 of namely recording a video.
The utility model is selected by the on off state directly changing switch switching circuit 70, controls the voltage output state of recording power output circuit 30 and video recording power output circuit 50, and then realizes sound-recording function or recording function.Switching between this video and audio recording function, simple and fast.
Power supply 10 is specially lithium battery, governor circuit can comprise MCU or DSP, in first embodiment, concrete, with reference to figure 2, governor circuit comprises the digital processing chip UZ1 that model is DSP918, for the SD card of store video files, for the FLASH (not shown) of storing audio files, the toggle switch K1 that switch switching circuit 70 1 is single two grades, the common port of described toggle switch K1 is connected to No. 45 pin of digital processing chip UZ1, the first end ground connection GND of described toggle switch K1, second termination of described toggle switch K1 is connected to internal work power supply VCC by a resistance R9, therefore switching signal comprises high level and low level.Internal work power supply VCC is the voltage of the applicable internal circuit work exported through certain change-over circuit by the output voltage of lithium battery.
No. 52 pin outputs level signals of digital processing chip UZ1, as video recording power control signal, when video recording power control signal is high level, then exports the first voltage, during for low level, then disconnects the output of the first voltage.4th, 5, No. 37 pin of digital processing chip UZ1 exports recording power control signal.
When user's power-on switch, digital processing chip UZ1 detects the state of toggle switch K1, and then control to enter sound-recording function or recording function, two working ends of toggle switch K1 represent the selection of recording and video recording respectively, in the present embodiment when toggle switch K1 pushes first end, No. 52 pin of digital processing chip UZ1 exports high level, enters recording function, and the 4th, 5, No. 37 pin exports relevant recording power control signal sound-recording function is stopped simultaneously; Push the second end, No. 52 pin output low level of digital processing chip UZ1, stop recording function, simultaneously the 4th, 5, No. 37 pin exports relevant recording power control signal sound-recording function is opened.
Preferably, one is also comprised in the present embodiment for sending confirmation signal to the confirmation switch S 3 of governor circuit 20.Video circuit 60 is after receiving the first voltage, first monitoring is opened, again after governor circuit 20 receives the confirmation signal, formally recording function is opened under the control of governor circuit 20, recording circuit 40 is after receiving the first voltage, and after governor circuit 20 receives the confirmation signal, under the control of governor circuit 20, formally open sound-recording function.
Confirm that switch S 3 is specially resilience switch.Confirm the first end ground connection of switch S 3, confirm that the second end of switch S 3 connects No. 38 pin of digital processing chip UZ1, confirm that the second end of switch S 3 is also connected to internal work power supply VCC by pull-up resistor R8.User turns on the power switch, after whole circuit start is restarted, according to the state of toggle switch K1, enter corresponding function preparation routine but do not perform real writing function, such as, then monitoring being opened for recording function, but do not record a video, only have and just formally start video recording after reaching 3s with the head of a household by confirmation switch S 3, store video files, same, long by confirming that switch S 3 just formally starts recording after reaching 3 seconds under recording state.
Wherein, described video recording power output circuit 50 comprises: power switch circuit 51 and mu balanced circuit 52;
Described power supply 10, power switch circuit 51, mu balanced circuit 52, video circuit 60 connect successively, and described power switch circuit 51 is also connected with governor circuit 20 respectively with mu balanced circuit 52;
Described power switch circuit 51 is for realizing conducting or cut-off according to the described video recording power control signal that receives, and described mu balanced circuit 52 is for when described power switch circuit 51 conducting, and the first voltage of stable output is to described video circuit 60.
With reference to figure 3, described power switch circuit 51 comprises: the first triode Q8 of NPN type, the first metal-oxide-semiconductor Q10 of first feedback resistance RP2, P type, the second feedback resistance RP8, resistance R31, electric capacity C3, electric capacity CZ1, resistance RP3.
Preferably, realize power supply to realize USB grafting external power source, described power switch circuit 51 also comprises: the second triode Q3 of NPN type, the second metal-oxide-semiconductor Q4 of the 3rd feedback resistance R29, P type, the 3rd metal-oxide-semiconductor Q9 of the 4th feedback resistance R28, P type, the first diode D22, the second diode D9, the 3rd diode D5, USB power source interface, resistance R31.
The source electrode of described second metal-oxide-semiconductor Q4 connects the positive pole LI_BAT of described lithium battery, the source electrode of the second metal-oxide-semiconductor Q4 is also connected to the grid of the second metal-oxide-semiconductor Q4 by described 4th feedback resistance R28, the drain electrode of the second metal-oxide-semiconductor Q4 connects the drain electrode of the 3rd metal-oxide-semiconductor Q9, the source electrode of the 3rd metal-oxide-semiconductor Q9 connects the source electrode of described first metal-oxide-semiconductor Q10, the source electrode of the 3rd metal-oxide-semiconductor Q9 is also through electric capacity CZ1 ground connection, the grid of the 3rd metal-oxide-semiconductor Q9 and the second metal-oxide-semiconductor Q4 is all connected to the collector of the second triode Q3, the grounded emitter of the second triode Q3, the emitter of the second triode Q3 is connected to after the base stage of the second triode Q3 parallel branch by the 3rd feedback resistance R29 and electric capacity C3, the base stage of the second triode Q3 is also connected to No. 52 pin of digital processing chip UZ1 by resistance R31.The source electrode of described first metal-oxide-semiconductor Q10 is also connected to the grid of the first metal-oxide-semiconductor Q10 by described second feedback resistance RP8, the drain electrode of described first metal-oxide-semiconductor Q10 connects described mu balanced circuit 52, the grid of described first metal-oxide-semiconductor Q10 connects the collector of the first triode Q8, the grounded emitter of described first triode Q8, the emitter of described first triode Q8 is also connected to the base stage of the first triode Q8 by described first feedback resistance RP2, the base stage of described first triode Q8 connects No. 52 pin of digital processing chip UZ1 by resistance RP3.
The positive pole of described first diode D22 and the 3rd diode D5 is all connected to the power input pin of described USB power source interface, represent with USBPOWER in figure, the negative pole of described first diode D22 is connected to the negative pole of the second diode D9 and the source electrode of the first metal-oxide-semiconductor Q10 respectively, the negative pole of the 3rd diode D5 is connected to the grid of described 3rd metal-oxide-semiconductor Q9, and the positive pole of the second diode D9 is connected to the positive pole LI_BAT of lithium battery.
Described mu balanced circuit 52 comprises the first voltage stabilizing chip U1, electric capacity CP6, inductance L P2, electric capacity CP4, CP7, CP8, resistance RP1 and resistance RP7, first voltage stabilizing chip U1 model is HM3416B, its power input pin VIN and enable pin EN is all connected to the drain electrode of the first metal-oxide-semiconductor Q10, and power input pin VIN is also through electric capacity CP6 ground connection, the power supply output pin LX of the first voltage stabilizing chip U1 is by being connected to the first end of inductance L P2, second end of inductance L P2 is through electric capacity CP4, CP8 parallel branch ground connection, second end of inductance L P2 is also successively by resistance RP1 and resistance RP7 ground connection, electric capacity CP7 is in parallel with resistance RP1, the FB pin of the first voltage stabilizing chip U1 is connected between resistance RP1 and resistance RP7, second end of inductance L P2 connects video circuit 60, for video circuit 60 provides stable voltage.The concrete structure of video circuit 60 is prior art, does not describe in detail herein.
With reference to figure 4, described recording power output circuit 30 comprises microcontroller U11 that model is LX805P, diode D4, resistance R32, resistance R33, model are M0L52E300MR the second voltage stabilizing chip U9, diode D6, resistance R18, microcontroller U11, for increasing I/O port, prevents the IO of digital processing chip UZ1 not enough and increase timing recording function.
7th pin of microcontroller U11 is connected to No. 37 pin of digital processing chip UZ1, No. 13 pins connect No. 5 pin of digital processing chip UZ1 by resistance R32, No. 12 of microcontroller U11 connects the negative pole of diode D4, the positive pole of diode D4 connects No. 4 pin of digital processing chip UZ1 by resistance R33, No. 14 pin of microcontroller U11 is connected to the enable pin of described second voltage stabilizing chip U9, SHDN pin, the power supply output pin of the second voltage stabilizing chip U9 connects the positive pole of diode D6, the positive pole of diode D6 connects described recording circuit 40 by resistance R18.4th, 5, No. 37 pin of digital processing chip UZ1 exports recording power control signal to microcontroller U11, makes the 14th pin output recording control signal of microcontroller U11 control the second voltage stabilizing chip U9 and whether exports the second voltage.The control of this part is same as the prior art.
With reference to figure 5, recording circuit 40 comprises sound collection circuit 41 and audio amplifier circuit 42.Sound collection circuit 41 comprises microphone MIC, filter capacitor C14, C32, C39, C36, audio amplifier circuit 42 comprises audio frequency amplification chip U4, its No. 7 pins and No. 6 pins respectively with the 19th of digital processing chip UZ1,20 pins connect one to one, the power supply output pin of the second voltage stabilizing chip U9 in Fig. 4 is connected to described governor circuit 20 by Acquisition Circuit and audio amplifier circuit, be prior art about recording circuit 40 part, no longer describe in detail herein.
Simply set forth video and audio recording function handoff procedure below:
If toggle switch K1 initially pushes first end: then switching signal is low level, No. 45 pin of digital processing chip UZ1 receives this low level, so on the one hand, No. 52 pin of digital processing chip UZ1 exports high level, this high level directly causes the first triode Q8 and the second triode Q3 conducting, due to the first triode Q8 and the second triode Q3 conducting, first metal-oxide-semiconductor Q10, second metal-oxide-semiconductor Q4, 3rd metal-oxide-semiconductor Q9 also conducting, so, the voltage of lithium battery is successively through the second metal-oxide-semiconductor Q4, 3rd metal-oxide-semiconductor Q9, first metal-oxide-semiconductor Q10 arrives the first voltage stabilizing chip U1, first voltage stabilizing chip U1 exports the first voltage to video circuit 60, video circuit 60 starts the work of recording a video under the control of governor circuit 20.On the other hand, 37th, 5, No. 4 pin of digital processing chip UZ1 exports relevant recording power control signal to microcontroller U11, after microcontroller U11 preserves audio file according to this recording power control signal control recording circuit 40, controlling the second voltage stabilizing chip U9 again stops the second voltage to export, so recording circuit 40 quits work.
If user stirs toggle switch K1, it is made to push the second end: then switching signal is high level, No. 45 pin of digital processing chip UZ1 receives this high level, so on the one hand, after digital processing chip UZ1 control video circuit 60 preserves video file, its No. 52 pin output low level, this low level directly causes the first triode Q8 and the second triode Q3 to end, because the first triode Q8 and the second triode Q3 ends, first metal-oxide-semiconductor Q10, second metal-oxide-semiconductor Q4, 3rd metal-oxide-semiconductor Q9 all ends, so, the voltage of lithium battery can not arrive the first voltage stabilizing chip U1, first voltage stabilizing chip U1 no longer exports the first voltage to video circuit 60, video circuit 60 quits work.On the other hand, 37th, 5, No. 4 pin of digital processing chip UZ1 exports relevant recording power control signal to microcontroller U11, microcontroller U11 directly controls the second voltage stabilizing chip U9 and starts the second voltage output, so recording circuit 40 starts recording under the control of governor circuit 20.
If recording pen control circuit is connected external power source by USB by user, then due to external power source positive pole that the power input pin of USB power source interface connects, external power source causes the 3rd metal-oxide-semiconductor Q9 to end on the one hand after the 3rd diode D5, therefore lithium battery stops powering to video circuit 60, on the other hand, external power source exports the first metal-oxide-semiconductor Q10 to after the first diode D22, if now toggle switch K1 pushes first end, then arrive external power source and arrive the first voltage stabilizing chip U1 through the first metal-oxide-semiconductor Q10, realize the direct power supply of external power source, recording function is opened.
With reference to figure 6, the utility model also provides mobile phone terminal and computer end and video circuit 60 interconnected, realizes the function of the real-time monitored picture of fast browsing.
In second embodiment, recording pen control circuit also comprises the telecommunication circuit 80 set up network communication with server and be connected, be connected with described video circuit 60, and mobile terminal (such as smart mobile phone) is for the monitored picture successively by described server and telecommunication circuit 80 Real-time Obtaining video circuit 60.Telecommunication circuit 80 can realize network with server by wifi and be connected, or realizes cable network connection by netting twine, and such as, network switch head 200 shown in Fig. 8, the physical circuit about telecommunication circuit 80 is embodied as prior art, does not describe in detail herein.
With reference to figure 7, the invention also discloses a kind of recording pen, comprise housing and described recording pen control circuit.In figure, 100 represent toggle switch.Housing is cylinder body shape, and this cylinder has two ends, and camera is arranged on one of them end, a side of cylinder offers mounting groove, has been embedded this toggle switch 100 in this mounting groove.The upper area of toggle switch 100 has " video recording " and " recording " two word tags, and has two reverse arrow points icons from center directly over toggle switch 100, and a haircut points to " video recording " word, and another points to " recording " word.
Fig. 8 is the recording pen of the second embodiment comprising above-mentioned recording pen control circuit, the side of this recording pen also offers a through hole, the network interface of the telecommunication circuit 80 of enclosure interior just to this through hole, one end of network switch head 200 insert after this through hole with network interface grafting.
In sum, the utility model is selected by the on off state directly changing switch switching circuit, controls the voltage output state of recording power output circuit and video recording power output circuit, and then realizes selecting sound-recording function or recording function.Switching between this video and audio recording function, simple and fast.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (10)
1. a recording pen control circuit, comprise power supply (10), governor circuit (20), recording circuit (40), video circuit (60), it is characterized in that, also comprise switch switching circuit (70), recording power output circuit (30), video recording power output circuit (50);
Described governor circuit (20) is connected with described power supply (10), recording circuit (40), video circuit (60), switch switching circuit (70), power output circuit (30) of recording, power output circuit (50) of recording a video respectively, described recording power output circuit (30) connects described power supply (10) and recording circuit (40) respectively, and described video recording power output circuit (50) connects described power supply (10) and video circuit (60) respectively;
Described switch switching circuit (70) is for the output switching signal when state changed by switch; Described governor circuit (20) is for receiving described switching signal and exporting corresponding recording power control signal and video recording power control signal; Described video recording power output circuit (50) is for controlling according to described video recording power control signal the output state exporting the first voltage of described video circuit (60) to; Described recording power output circuit (30) is for controlling according to described recording power control signal the output state exporting the second voltage of described recording circuit (40) to; Described video circuit (60) for opening video recording after receiving described first voltage under the control of described governor circuit (20); Described recording circuit (40) for opening recording after receiving described second voltage under the control of described governor circuit (20).
2. recording pen control circuit according to claim 1, it is characterized in that, described switch switching circuit (70) comprises a single toggle switch of two grades (K1), the common port of described toggle switch (K1) is connected to described governor circuit (20), the first end ground connection of described toggle switch (K1), the second termination internal work power supply of described toggle switch (K1).
3. recording pen control circuit according to claim 1, is characterized in that, described video recording power output circuit (50) comprising: power switch circuit (51) and mu balanced circuit (52);
Described power supply (10), power switch circuit (51), mu balanced circuit (52), video circuit (60) connect successively, and described power switch circuit (51) is also connected with governor circuit (20) respectively with mu balanced circuit (52);
Described power switch circuit (51) is for realizing conducting or cut-off according to the described video recording power control signal received; Described mu balanced circuit (52) is for when described power switch circuit (51) conducting, and the first voltage of stable output is to described video circuit (60).
4. recording pen control circuit according to claim 3, it is characterized in that, described power switch circuit (51) comprising: the first triode (Q8), the first feedback resistance (RP2), the first metal-oxide-semiconductor (Q10), the second feedback resistance (RP8);
The source electrode of described first metal-oxide-semiconductor (Q10) connects described power supply (10), the source electrode of described first metal-oxide-semiconductor (Q10) is also connected to the grid of the first metal-oxide-semiconductor (Q10) by described second feedback resistance (RP8), the drain electrode of described first metal-oxide-semiconductor (Q10) connects described mu balanced circuit (52), the grid of described first metal-oxide-semiconductor (Q10) connects the collector of the first triode (Q8), the grounded emitter of described first triode (Q8), the emitter of described first triode (Q8) is also connected to the base stage of the first triode (Q8) by described first feedback resistance (RP2), the base stage of described first triode (Q8) connects described governor circuit (20).
5. recording pen control circuit according to claim 4, it is characterized in that, described power switch circuit (51) also comprises: the second triode (Q3), the 3rd feedback resistance (R29), the second metal-oxide-semiconductor (Q4), the 4th feedback resistance (R28), the 3rd metal-oxide-semiconductor (Q9), the first diode (D22), the second diode (D9), the 3rd diode (D5), USB power source interface;
The source electrode of described second metal-oxide-semiconductor (Q4) connects described power supply (10), the source electrode of the second metal-oxide-semiconductor (Q4) is also connected to the grid of the second metal-oxide-semiconductor (Q4) by described 4th feedback resistance (R28), the drain electrode of the second metal-oxide-semiconductor (Q4) connects the drain electrode of the 3rd metal-oxide-semiconductor (Q9), the source electrode of the 3rd metal-oxide-semiconductor (Q9) connects the source electrode of described first metal-oxide-semiconductor (Q10), the grid of the 3rd metal-oxide-semiconductor (Q9) and the second metal-oxide-semiconductor (Q4) is all connected to the collector of the second triode (Q3), the grounded emitter of the second triode (Q3), the base stage of the second triode (Q3) is connected to the emitter of the second triode (Q3) by the 3rd feedback resistance (R29), the base stage of the second triode (Q3) is also connected to governor circuit (20),
The positive pole of described first diode (D22) and the 3rd diode (D5) is all connected to the power input pin of described USB power source interface, the negative pole of described first diode (D22) is connected to the negative pole of the second diode (D9) and the source electrode of the first metal-oxide-semiconductor (Q10) respectively, the negative pole of the 3rd diode (D5) is connected to the grid of described 3rd metal-oxide-semiconductor (Q9), and the positive pole of the second diode (D9) is connected to described power supply (10).
6. recording pen control circuit according to claim 4, it is characterized in that, described mu balanced circuit (52) comprises the first voltage stabilizing chip (U1), inductance (LP2), the power input pin of the first voltage stabilizing chip (U1) and enable pin are all connected to the drain electrode of the first metal-oxide-semiconductor (Q10), and the power supply output pin of the first voltage stabilizing chip (U1) is connected to video circuit (60) by described inductance (LP2).
7. recording pen control circuit according to claim 1, it is characterized in that, described governor circuit (20) comprise digital processing chip (UZ1) that model is DSP918, for store the video file that video circuit (60) sends over SD card, for storing the FLASH of the audio file that recording circuit (40) sends over, described recording power output circuit (30) comprises the second voltage stabilizing chip (U9) that microcontroller (U11) that model is LX805P and model are M0L52E300MR
7th, 13, No. 12 pin of microcontroller (U11) is connected to the 37th, 5, No. 4 pin of digital processing chip (UZ1) respectively one to one, No. 14 pin of microcontroller (U11) is connected to the enable pin of described second voltage stabilizing chip (U9), and the power supply output pin of the second voltage stabilizing chip (U9) connects described recording circuit (40).
8. recording pen control circuit according to claim 1, it is characterized in that, also comprise the telecommunication circuit (80) set up network communication with server and be connected, be connected with described video circuit (60), mobile terminal is used for the monitored picture successively by described server and telecommunication circuit (80) Real-time Obtaining video circuit (60).
9. recording pen control circuit according to claim 8, is characterized in that, described network communications circuits (80) comprises the network switch head (200) for grafting netting twine.
10. a recording pen, comprises housing, it is characterized in that, described recording pen also comprises recording pen control circuit as claimed in any one of claims 1-9 wherein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500754.9U CN204102572U (en) | 2014-09-01 | 2014-09-01 | Recording pen control circuit and recording pen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500754.9U CN204102572U (en) | 2014-09-01 | 2014-09-01 | Recording pen control circuit and recording pen |
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| CN204102572U true CN204102572U (en) | 2015-01-14 |
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| CN201420500754.9U Active CN204102572U (en) | 2014-09-01 | 2014-09-01 | Recording pen control circuit and recording pen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081002A (en) * | 2020-01-16 | 2020-04-28 | 惠州高盛达智联科技有限公司 | Remote controller circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081002A (en) * | 2020-01-16 | 2020-04-28 | 惠州高盛达智联科技有限公司 | Remote controller circuit |
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