CN105004905A - Recording pen current detection device based on radio frequency receiving - Google Patents
Recording pen current detection device based on radio frequency receiving Download PDFInfo
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- CN105004905A CN105004905A CN201510447251.9A CN201510447251A CN105004905A CN 105004905 A CN105004905 A CN 105004905A CN 201510447251 A CN201510447251 A CN 201510447251A CN 105004905 A CN105004905 A CN 105004905A
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- recording pen
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- current sensing
- current detection
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Abstract
The invention discloses a recording pen current detection device based on radio frequency receiving. The recording pen current detection device comprises a power supply circuit, a microphone and a control circuit. The recording pen current detection device also comprises a current detection mechanism which comprises a battery, a radio frequency receiver, a current detector and an indicating lamp. The battery is used for supplying power to the radio frequency receiver. The radio frequency receiver is used for receiving a remote control signal of an external remote control terminal and generating a detection signal. The current detector is used for detecting current of the output end of the power supply circuit according to the detection signal. When output current of the power supply circuit is detected, a trigger signal is outputted. The indicating lamp is used for lighting up according to the trigger signal. The current detection mechanism is additionally installed so that a user is enabled to acquire the working state of a recording pen in real time when the recording pen is used, use efficiency and self-checking performance of the recording pen can be enhanced, and thus the recording pen current detection device can be applied to various types of recording pens.
Description
Technical field
The present invention relates to a kind of recording pen current sensing means based on radio frequency reception, belong to the technical field of recording pen.
Background technology
In general, in digital recording pen, the control circuit possessing microphone and be connected with microphone, utilizes microphone registers sound, and is input in control circuit and processes.Some comparatively high-grade products can increase following functions, FM, sound control recording, telephonograph, and clock alarm function etc.
Due to digital recording pen can record chronic, therefore when the overwhelming majority, its memory capacity can not once be finished.Therefore digital recording pen generally provides several file, can store tens even up to a hundred files in each file.User by after each section recording name, can store, and can classify according to content, be stored in different files, easy-to-look-up and management in the form of a file.And need not as traditional sound-track engraving apparatus, that search that one section of recording needs tape to turn over searches.
Digital recording pen and phone by special telephone adapter, can couple together by digital recording pen, can recording call content very easily, and recording effect well, and sound is pure.Thus, make recording pen based on simple pen type, easy to carry, easy to use.
Even so, existing recording pen in use Shortcomings.As in Chinese invention patent application number: in the file of 201210253207.0 applyings date: 2012-07-20, disclose " a kind of recording pen, comprise recording pen main body, a cavity is provided with in described recording pen main body, light-emitting device is provided with in described cavity, described light-emitting device comprises violet light emitting diodes, white light emitting diodes and keyswitch, described violet light emitting diodes is located at recording pen main body side, described white light emitting diodes is located at recording pen bottom part body, described keyswitch is located at recording pen main body front, described violet light emitting diodes is electrically connected with the lithium ion battery in recording pen main body by keyswitch with white light emitting diodes ", the beneficial effect of these innovation and creation is: recording pen has currency examine and illumination functions concurrently, easy to carry, do not need extra band pen-type testing device for paper money more just can check forge or true or paper money, do not need to carry electric torch in addition in the environment of dark yet, illumination and the power supply of currency examine to be connected with the lithium ion battery of recording pen and to save the extra duration of charging simultaneously, there is structure simple, easy to use, the advantages such as one-object-many-purposes.
And be called a kind of recording pen in other one section of Chinese invention patent application name, application number: in the file of 201310581989.5 applyings date: 2013-11-20, disclose " a kind of recording pen, comprise handwriting (1), interior power supply circuit and the display screen (2) be positioned in handwriting (1), (1) is also provided with laser pen to described handwriting, electronic watch (4) and electronics Hygrothermograph (5), laser pen is connected with interior power supply circuit by laser switch (6), electronic watch (4) is all connected with interior power supply circuit with electronics Hygrothermograph (5) ", this invention is by arranging laser pen on recording pen, electronic watch and electronics Hygrothermograph, traditional recording pen is made to have accomplished one-object-many-purposes, facilitate people's routine work and life.
However; still there is limitation in existing recording pen; existing recording pen is in Recording Process; owing to being powered by feed circuit; and cannot power when battery does not have electricity, but whether user can not exist electric current, to detect the duty of recording pen in testing circuit as required; cause recording pen in use often can cause because of dead battery working, and user cannot be known in time.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, a kind of recording pen current sensing means based on radio frequency reception is provided, solve existing recording pen and whether can not there is electric current, to detect the technical matters of the duty of recording pen in testing circuit as required.
The present invention specifically solves the problems of the technologies described above by the following technical solutions:
Based on a recording pen current sensing means for radio frequency reception, comprise feed circuit, microphone and control circuit, also comprise current sensing mechanism, this current sensing mechanism comprises battery, radio frequency receiver, current detector and pilot lamp; Described battery is used for powering to radio frequency receiver; Described radio frequency receiver is for receiving the remote signal of external remote control terminal and generating detection signal; Described circuit detector is used for detecting according to the output end current of detection signal to feed circuit, exports trigger pip when feed circuit output current being detected; Described pilot lamp is used for lighting according to trigger pip.
Further, as a preferred technical solution of the present invention: described current detector is current sensor.
Further, as a preferred technical solution of the present invention: described current sensor adopts LT6100 type.
Further, as a preferred technical solution of the present invention: described battery is button cell.
Further, as a preferred technical solution of the present invention: described radio frequency receiver adopts MRF49XA radio frequency receiver.
Further, as a preferred technical solution of the present invention: also comprise loudspeaker, described loudspeaker is connected with control circuit.
The present invention adopts technique scheme, can produce following technique effect:
(1), the recording pen current sensing means based on radio frequency reception of the present invention, by in the original circuit of recording pen, set up current sensing mechanism, radio-frequency technique is utilized to make current sensing mechanism can receive the remote signal of external remote control terminal, according to remote signal to the current detecting in circuit, when detected electric current by time then show that recording pen is in running order, pilot lamp lights.Make user can know its duty in real time when recording pen uses, especially, when recording pen is placed on more remote, duty can be detected by detection is intelligentized, and when recording pen does not have electric current, timely replacing battery, improves service efficiency and the Autonomous test of recording pen.Existing recording pen can be solved and whether can not there is electric current in testing circuit as required, to detect the technical matters of the duty of recording pen, may be used for thus in various types of recording pen.
(2), further; current detector adopts current sensor; utilize circuit structure automatically detect and show electric current, and when the Harm such as overcurrent, overvoltage occurs, there is automatic protection functions and more senior Based Intelligent Control, there is sensing detection, sense samples, sensing protection.
Accompanying drawing explanation
Fig. 1 is the module diagram of the recording pen current sensing means that the present invention is based on radio frequency reception.
Embodiment
Below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises a kind of recording pen current sensing means based on radio frequency reception, comprise feed circuit, microphone and control circuit, also comprise current sensing mechanism, this current sensing mechanism comprises battery, radio frequency receiver, current detector and pilot lamp; Described battery is used for powering to radio frequency receiver; Described radio frequency receiver is for receiving the remote signal of external remote control terminal and generating detection signal; Described circuit detector is used for detecting according to the output end current of detection signal to feed circuit, exports trigger pip when feed circuit output current being detected; Described pilot lamp is used for lighting according to trigger pip.
Thus, make user can know its duty in real time when recording pen uses, especially when recording pen is placed on more remote, duty can be detected by detection is intelligentized, and when recording pen does not have electric current, change battery in time.
Further; in device; described current detector is for detecting electric current; preferred employing current sensor; it utilizes circuit structure automatically detect and show electric current; and when the Harm such as overcurrent, overvoltage occurs, there is automatic protection functions and more senior Based Intelligent Control, there is sensing detection, sense samples, sensing protection.
And, can select to adopt LT6100 type current sensor, this device comprises output pooling feature circuit in sheet, and aims at low supply voltage (>=2.7V) and design, and detects input then for supervisory signal under higher battery bus potential condition.Its input can tolerate large input difference voltage, thus the operating conditions of tolerable fuse opening, this will be exported full scale deixis to detect by one.In addition, also can maintenance high impedance detect input while power-off, thus from battery bus absorb electric current be less than 1 μ A (maximal value).
For current sensing mechanism, it arranges independent of the original circuit of recording pen, and it relies on battery to power, and battery is preferably adopted as button cell.Utilize button cell can reduced volume, alleviate the weight of recording pen.
When radio frequency reception, device utilizes described radio frequency receiver to receive, and preferably adopts MRF49XA radio frequency receiver in the present embodiment.It is a fully-integrated sub – GHzRF receiver, supports that 434/868/915MHzISM frequency range and FSK modulate and FHSS ability.Be the ideal chose of two-way short-distance wireless application, and be easy to integrated 8,16 or 32 single-chip microcomputers.And the daughter board of radio frequency receiver is easy to the single-chip microcomputer of 8 and 16/32 integrated development module; The I/O interface of CMOS compatible/TTL, 10 integrated MHz oscillatory circuits, integrated low battery voltages detecting device, supports energy saver mode; Thus can better in recording pen circuit.
On this basis, recording pen can also comprise loudspeaker, described loudspeaker is connected with control circuit, when utilizing current sensing mechanism to detect, duty can be shown by pilot lamp, also can be carried out the mode of voice broadcast duty by loudspeaker, testing result can multimode be fed back.
To sum up, recording pen current sensing means based on radio frequency reception of the present invention, set up current sensing mechanism, make user can know its duty in real time when recording pen uses, especially, when recording pen is placed on more remote, duty can be detected by detection is intelligentized, and when recording pen does not have electric current, timely replacing battery, improves service efficiency and the Autonomous test of recording pen.Existing recording pen can be solved and whether can not there is electric current in testing circuit as required, to detect the technical matters of the duty of recording pen, may be used for thus in various types of recording pen.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (6)
1. based on a recording pen current sensing means for radio frequency reception, comprise feed circuit, microphone and control circuit, it is characterized in that, also comprise current sensing mechanism, this current sensing mechanism comprises battery, radio frequency receiver, current detector and pilot lamp; Described battery is used for powering to radio frequency receiver; Described radio frequency receiver is for receiving the remote signal of external remote control terminal and generating detection signal; Described circuit detector is used for detecting according to the output end current of detection signal to feed circuit, exports trigger pip when feed circuit output current being detected; Described pilot lamp is used for lighting according to trigger pip.
2. according to claim 1 based on the recording pen current sensing means of radio frequency reception, it is characterized in that: described current detector is current sensor.
3. according to claim 2 based on the recording pen current sensing means of radio frequency reception, it is characterized in that: described current sensor adopts LT6100 type.
4. according to claim 1 based on the recording pen current sensing means of radio frequency reception, it is characterized in that: described battery is button cell.
5. according to claim 1 based on the recording pen current sensing means of radio frequency reception, it is characterized in that: described radio frequency receiver adopts MRF49XA radio frequency receiver.
6., according to claim 1 based on the recording pen current sensing means of radio frequency reception, it is characterized in that: also comprise loudspeaker, described loudspeaker is connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447251.9A CN105004905A (en) | 2015-07-28 | 2015-07-28 | Recording pen current detection device based on radio frequency receiving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510447251.9A CN105004905A (en) | 2015-07-28 | 2015-07-28 | Recording pen current detection device based on radio frequency receiving |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100880818B1 (en) * | 2008-06-30 | 2009-01-30 | (주)우광테크 | An apparatus for detecting a current and a voltage intergrated with probe and that fo wireless transmitter |
| CN201229378Y (en) * | 2008-03-22 | 2009-04-29 | 胡宗保 | Neon electroscopy with speech function |
| CN201251597Y (en) * | 2008-08-27 | 2009-06-03 | 卢景华 | Current indicator |
| CN201425841Y (en) * | 2009-05-04 | 2010-03-17 | 北京爱国者存储科技有限责任公司 | Recording pen capable of seamless switching of power supply |
| CN102866363A (en) * | 2012-09-11 | 2013-01-09 | 圆刚科技股份有限公司 | Detection device and detection method |
| CN104658333A (en) * | 2013-11-25 | 2015-05-27 | 西安美育信息科技有限公司 | Touch and talk pen with electric quantity detecting and reminding functions |
-
2015
- 2015-07-28 CN CN201510447251.9A patent/CN105004905A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229378Y (en) * | 2008-03-22 | 2009-04-29 | 胡宗保 | Neon electroscopy with speech function |
| KR100880818B1 (en) * | 2008-06-30 | 2009-01-30 | (주)우광테크 | An apparatus for detecting a current and a voltage intergrated with probe and that fo wireless transmitter |
| CN201251597Y (en) * | 2008-08-27 | 2009-06-03 | 卢景华 | Current indicator |
| CN201425841Y (en) * | 2009-05-04 | 2010-03-17 | 北京爱国者存储科技有限责任公司 | Recording pen capable of seamless switching of power supply |
| CN102866363A (en) * | 2012-09-11 | 2013-01-09 | 圆刚科技股份有限公司 | Detection device and detection method |
| CN104658333A (en) * | 2013-11-25 | 2015-05-27 | 西安美育信息科技有限公司 | Touch and talk pen with electric quantity detecting and reminding functions |
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Application publication date: 20151028 |