CN204990803U - Levy recording system a little based on single chip microcomputer control - Google Patents
Levy recording system a little based on single chip microcomputer control Download PDFInfo
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- CN204990803U CN204990803U CN201520651008.4U CN201520651008U CN204990803U CN 204990803 U CN204990803 U CN 204990803U CN 201520651008 U CN201520651008 U CN 201520651008U CN 204990803 U CN204990803 U CN 204990803U
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Abstract
The utility model relates to a levy recording system a little based on single chip microcomputer control, its technical characterstic is: but including 12V battery, transformer, singlechip, relay, dc -to -ac converter, socket and plug -in card camera, 12V holds the controlled end one end that the timing control module that comprises singlechip and relay is connected to the battery output end, on the controlled end other end of timing control module is connected to the socket, 12V hold battery output hold still be connected to the socket through the dc -to -ac converter on. The utility model discloses a singlechip and relay control realize little class and record the function, can record little class content by anytime and anywhere, but adopt the mode into the power supply of plug -in card formula camera, carry out recording of little class, even there are not smart machines such as video cassette recorder, notebook computer, panel computer or cell -phone also can record little class, saved a lot of loaded down with trivial details procedures or have gone the special step of recording in the place of recording, use convenient and fast more, and application scope is more extensive.
Description
Technical field
The utility model belongs to teaching aid technical field, especially a kind of based on monolithic processor controlled micro-class recording system.
Background technology
Micro-class is that current education sector is filled with potion new blood, and it is different from traditional instructional mode, and the basis of teaching methods remaining conventional teaching takes the form of diversification more.The feature of micro-class is that instructional blocks of time is shorter, the content of courses is less, resource capacity is less, resource composition " situated ", theme are outstanding, content is concrete, grass roots research, entertaining creation, simple, the various propagation of achievement, feed back timely, with strong points.But the development of micro-class is also immature, the record device of present micro-class is only limited to video camera, digital cell phone, record screen software etc. mostly, and it is the recording place of specialty that the micro-class even had is recorded, and so just limits the content of personage, place micro-class even.Such as, application number 201520105731.2 discloses the micro-class producing device of a kind of portable College English, this device adopts the video camera be connected with notebook to carry out English video record, this technical scheme is only limitted to carry out real-time recording in College English Classroom, and then limit the crowd of micro-class recording, and be not suitable for popular micro-class recording.Meanwhile, existing micro-class record device does not all have time control function, and recording time is not easy to control, and causes the inconvenience in use.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, convenient and swift and have wide range of applications based on monolithic processor controlled micro-class recording system.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of based on monolithic processor controlled micro-class recording system, comprise 12V accumulator, transformer, single-chip microcomputer, relay, inverter, socket and can plug-in card camera, the output terminal of 12V accumulator is that the timing control module that single-chip microcomputer and relay are formed is powered by transformer, the output terminal of 12V accumulator connects controlled end one end of timing control module, the controlled end other end of timing control module is connected on socket, timing control module is by determining the break-make of socket power to the control of controlled end, the output terminal of 12V accumulator is also connected on socket by inverter, can the power input of plug-in card camera can be directly connected on socket.
And describedly also can connect smart machine by plug-in card camera, this smart machine connects Wireless projector and also transmits data to Wireless projector and show out by compact projection curtain, and smart machine and Wireless projector power input are connected on socket.
And described smart machine is notebook computer, panel computer or mobile phone.
And described small-sized curtain is stent-type curtain, the support of this support stent-type curtain is telescopic.
And, described single-chip microcomputer with the concrete annexation of relay is: single-chip microcomputer is connected a resistance by I/O interface, this resistance is connected to the base stage of triode, the collector of this triode is connected with the positive pole of relay coil one end and a diode, the other end of relay coil and the negative pole of diode are connected in operating voltage jointly, the grounded emitter of this triode.
And described socket comprises direct current socket and alternating current socket.
And described can plug-in card camera be the camera supporting TF card this locality video recording memory function.
And described 12V battery outer is provided with AC power interface, be this charge in batteries by this AC power interface.
Advantage of the present utility model and good effect are:
1, the utility model adopts single-chip microcomputer and Control to realize micro-class recording function, can record anywhere or anytime and micro-ly to hold within the class period, being adopted as can the card insert type camera mode of powering, carry out the recording of micro-class, also micro-class can be recorded even without smart machines such as notebook computer, panel computer or mobile phones, the step eliminating a lot of red tape or go to special recording place to record, use more convenient, the scope of application is more extensive.
2, the utility model can also connect Wireless projector according to smart machines such as self needing selection notebook computer, panel computer or mobile phone and be put on projection screen by the knowledge stored in smart machine, tell in conjunction with on-the-spot material object, more enrich the content in classroom, more highlight the feature of micro-class.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present utility model;
Fig. 2 is single-chip microcomputer in the utility model and the circuit diagram between relay.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described:
A kind of based on monolithic processor controlled micro-class recording system, as shown in Figure 1, comprise 12V accumulator 1, transformer 2, single-chip microcomputer 3, relay 4, inverter 5, socket 6, can plug-in card camera 7, smart machine 8, Wireless projector 9 and compact projection curtain 10.The output terminal of 12V accumulator connects the controlled end one end of the timing control module be made up of single-chip microcomputer and relay, the controlled end other end of timing control module is connected on socket, timing control module is by determining the break-make of socket power to the control of controlled end, the output terminal of 12V accumulator is that the timing control module that single-chip microcomputer and relay are formed is powered by transformer, the output terminal of 12V accumulator is also connected on socket by inverter, described can plug-in card camera, smart machine, the power input of Wireless projector is connected on socket, can plug-in card camera TF card store camera shooting video data, or smart machine with can be connected the video data taken for storing camera by plug-in card camera, smart machine transmits data show out by compact projection curtain by Wireless projector to Wireless projector.Below each several part in system is described respectively:
Described 12V accumulator can provide magnitude of voltage to be the DC voltage of 12V, and for can plug-in card camera, microphone and Wireless projector power, it is this charge in batteries that the outside of this 12V accumulator is provided with AC power interface by electric main.
The DC voltage of 12V can be reduced to 5V DC voltage by described transformer, and the timing control module formed for single-chip microcomputer and relay provides required voltage.
Described single-chip microcomputer, as a control assembly, has timing function and controlling functions, and it, by sending conducting or cut-off signals to relay, controls the recording time of micro-class, and control hummer, reminds user to note the time that micro-class is recorded in time.User can record according to the micro-class of oneself to be needed to change the setting-up time of single-chip microcomputer, and last minute Single-chip Controlling buzzer call of setting-up time is reached in the time, play a warning function, Preset Time is arrived after one minute, single-chip microcomputer is to relay cut-off signals, relay contact separately, socket dead electricity, record and automatically terminate by micro-class.
Described relay is the Intermediate connection device of power supply and socket, relay closed or to disconnect be the whether charged determinative of socket.Relay is connected with single-chip microcomputer and according to the signal of single-chip microcomputer, automatically disconnects closed contact, realize micro-class and record the function automatically terminated.
12V DC voltage in accumulator can be changed into the alternating voltage of 220V by described inverter, for the smart machine in system is powered, ensure that the reliability that micro-class is recorded.
Described socket is a socket comprising three direct current sockets and two alternating current sockets, and for each equipment provides power interface, user, according to equipment required voltage type, selects corresponding direct current socket or alternating current socket.
Described can plug-in card camera be the camera can supporting TF card this locality video recording memory function, can the video of typing shooting, and video poke in RAM (random access memory) card, and also can by video data transmission in smart machine when there being computer to be connected with it.
Described smart machine can be the smart machines such as notebook computer, panel computer or mobile phone, and user can need to select according to self.
Described Wireless projector is connected on the smart machines such as notebook computer, panel computer, mobile phone, and then by the data on smart machine or image projecting on compact projection cloth, more enriches the content that micro-class is recorded.
Data in Wireless projector can present by described compact projection curtain.This small-sized curtain is stent-type, and support is telescopic, and concrete height regulates according to the actual conditions recording place, and support can be separated with curtain, more convenient to carry after being separated.
Fig. 2 gives the circuit diagram of the timing control module be made up of single-chip microcomputer and relay.Because the electric current of single-chip microcomputer delivery outlet is too little, the break-make of relay can not be driven, therefore, this circuit adopts a model to be the triode of ss8050, but the winding of relay can be made to produce a larger self induction voltage because triode becomes cut-off state from conducting state, emitter junction may be caused breakdown, therefore employing model is diode and the relay coil reverse parallel connection of IN4007, when triode becomes cut-off state from conducting state, diode and relay coil form a loop, have effectively contained that triode emission ties breakdown harm.Single-chip microcomputer is connected to the base stage of triode by resistance R1, the collector of triode is connected with relay coil one end, the collector of this triode connects the positive pole of diode, the negative pole of diode and the other end of relay coil are connected in operating voltage jointly, the grounded emitter of this triode.In the present embodiment, resistance R1 is 2.15K Ω resistance; The model of diode is IN4007; Operating voltage VCC is+5V voltage; The model of triode is ss8050; The model of relay is SRD-05VDC-SL-C.
The process that embodiment 1, user do not adopt any smart machine to carry out micro-class recording is:
(1) storage card being put into can in plug-in card camera, can the attaching plug of plug-in card camera be inserted in the respective socket of socket, opens microphone switch;
(2) single-chip microcomputer is started working, and sends closure signal to relay, and relay contact closes, circuit turn-on;
(3) now socket is charged, can plug-in card camera, microphone etc. in running order, micro-class is recorded and is started;
(4) reach last minute of the time that single-chip microcomputer presets, the connected buzzer call of Single-chip Controlling when the time, remind user to note the time;
After (5) one minutes, single-chip microcomputer sends cut-off signals to relay, and the contact of relay separates automatically, simultaneously socket dead electricity, and micro-class is recorded and automatically terminated.
The process that embodiment 2, user adopt smart machine (for notebook computer) to carry out micro-class recording is:
(1) being put into by storage card can in plug-in card camera, can the attaching plug of plug-in card camera be inserted on socket, opens microphone switch;
(2) plug of notebook computer is inserted on the corresponding interchange socket of socket, open notebook computer, Wireless projector is connected with notebook computer by corresponding interface equipment, small-sized curtain is adjusted to suitable height, position, get out the data needing projection;
(3) single-chip microcomputer is started working, and sends closure signal to relay, and relay contact closes, circuit turn-on;
(4) now socket is charged, can plug-in card camera, microphone etc. in running order, micro-class is recorded and is started;
(6) reach last minute of the time that single-chip microcomputer presets, the connected buzzer call of Single-chip Controlling when the time, remind user to note the time;
After (7) one minutes, single-chip microcomputer sends cut-off signals to relay, and the contact of relay separates automatically, simultaneously socket dead electricity, and micro-class is recorded and automatically terminated.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (8)
1. one kind based on monolithic processor controlled micro-class recording system, it is characterized in that: comprise 12V accumulator, transformer, single-chip microcomputer, relay, inverter, socket and can plug-in card camera, the output terminal of 12V accumulator is that the timing control module that single-chip microcomputer and relay are formed is powered by transformer, the output terminal of 12V accumulator connects controlled end one end of timing control module, the controlled end other end of timing control module is connected on socket, timing control module is by determining the break-make of socket power to the control of controlled end, the output terminal of 12V accumulator is also connected on socket by inverter, can the power input of plug-in card camera can be directly connected on socket.
2. one according to claim 1 is based on monolithic processor controlled micro-class recording system, it is characterized in that: describedly also can connect smart machine by plug-in card camera, this smart machine connects Wireless projector and transmits data to Wireless projector and show out by compact projection curtain, and smart machine and Wireless projector power input are connected on socket.
3. one according to claim 2 is based on monolithic processor controlled micro-class recording system, it is characterized in that: described smart machine is notebook computer, panel computer or mobile phone.
4. one according to claim 2 is based on monolithic processor controlled micro-class recording system, it is characterized in that: described small-sized curtain is stent-type curtain, and the support of this support stent-type curtain is telescopic.
5. the one according to any one of Claims 1-4 is based on monolithic processor controlled micro-class recording system, it is characterized in that: described single-chip microcomputer with the concrete annexation of relay is: single-chip microcomputer is connected a resistance by I/O interface, this resistance is connected to the base stage of triode, the collector of this triode is connected with the positive pole of relay coil one end and a diode, the other end of relay coil and the negative pole of diode are connected in operating voltage jointly, the grounded emitter of this triode.
6. the one according to any one of Claims 1-4, based on monolithic processor controlled micro-class recording system, is characterized in that: described socket comprises direct current socket and alternating current socket.
7. the one according to any one of Claims 1-4, based on monolithic processor controlled micro-class recording system, is characterized in that: described can plug-in card camera be the camera supporting TF card this locality video recording memory function.
8. the one according to any one of Claims 1-4, based on monolithic processor controlled micro-class recording system, is characterized in that: described 12V battery outer is provided with AC power interface, is this charge in batteries by this AC power interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651008.4U CN204990803U (en) | 2015-08-26 | 2015-08-26 | Levy recording system a little based on single chip microcomputer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651008.4U CN204990803U (en) | 2015-08-26 | 2015-08-26 | Levy recording system a little based on single chip microcomputer control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204990803U true CN204990803U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520651008.4U Expired - Fee Related CN204990803U (en) | 2015-08-26 | 2015-08-26 | Levy recording system a little based on single chip microcomputer control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204990803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249112A (en) * | 2017-06-08 | 2017-10-13 | 王岳磊 | A kind of portable teaching video record instrument that declines |
-
2015
- 2015-08-26 CN CN201520651008.4U patent/CN204990803U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249112A (en) * | 2017-06-08 | 2017-10-13 | 王岳磊 | A kind of portable teaching video record instrument that declines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |