CN203414162U - Electronic scale using audio frequency to transmit data - Google Patents
Electronic scale using audio frequency to transmit data Download PDFInfo
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- CN203414162U CN203414162U CN201320413512.1U CN201320413512U CN203414162U CN 203414162 U CN203414162 U CN 203414162U CN 201320413512 U CN201320413512 U CN 201320413512U CN 203414162 U CN203414162 U CN 203414162U
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- audio frequency
- intelligent terminal
- transmit data
- conciliation
- transmission
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Abstract
The utility model discloses an electronic scale using an audio frequency to transmit data. The electronic scale comprises a scale body, an intelligent terminal and an audio frequency transmission/receiving system, wherein the intelligent terminal wirelessly transmits data with the scale body; the audio frequency transmission/receiving system is used to receive an audio signal generated by the scale body or the intelligent terminal and transmit an audio signal generated by the scale body or the intelligent terminal. The electronic scale of the utility model sends a sound carrier whose frequency is higher than 20KHz (a human ear can not identify) through the audio frequency transmission/receiving system so as to realize wireless data transmission of the electronic scale body and the intelligent terminal. By using the above mode, cost is low and is lower than cost of bluetooth and WIFI so that a limitation of the electronic scale on a cost aspect during the wireless transmission is overcome.
Description
Technical field
The utility model relates to electronic scales, especially a kind of electronic scales that utilizes audio frequency to transmit data.
Background technology
People, for the demand of electronic scale, have no longer been satisfied with and have closely checked weight numerical value, but wish in, also can at mobile intelligent terminal (as mobile phone), view the concrete condition of weighing easily at a distance.And communication (data transmission) between mobile intelligent terminal and electronic scale is key problem wherein, obviously, wire communication is limited to the constraint of cable, and practicality is not strong; Radio communication does not have the misgivings of this respect, and growing along with Radio Transmission Technology, the mode that has now multiple wirelessly transmitting data, the most frequently used have 2.4GHZ RF, bluetooth, a WIFI, infrared ray, in these several wirelessly transmitting data technology, although infrared ray is cheap, can only do linear transmission.Bluetooth, WIFI can really accomplish wireless transmission, but its cost is high.
Utility model content
For solving the problems of the technologies described above, the technical problems to be solved in the utility model is to provide the audio frequency that utilizes that a kind of wireless transmission, cost are low and transmits the electronic scales of data.
The technical solution adopted in the utility model is: a kind of electronic scales that utilizes audio frequency to transmit data, comprise claim body and with the intelligent terminal that claims body wirelessly transmitting data, it also comprises one audio transmission/receiving system, to realize the transmission of the sound signal of scale body and intelligent terminal.
Described audio transmission/receiving system comprises that the second acoustical generator and second on intelligent terminal is subject to sound device, and be arranged on the first acoustical generator, first claiming on body and be subject to sound device and audio frequency conciliation/demodulation module, the audio frequency that described audio frequency conciliations/demodulation module is reconciled by the first acoustical generator output to the first audio frequency demodulation that transmitted by sound device; Described the second acoustical generator is subject to sound device to first, described the second sound signal that reconciled for receiving the first acoustical generator by sound device for sending the sound signal of conciliation.
The voice carrier frequency of described mediate/demodulation of audio frequency conciliation/demodulation module is more than or equal to 20KHz.
Described title body also comprises force mechanism, measures the LOAD CELLS of the suffered object gravity of force mechanism, main control MCU and connect the driver module of main control MCU and be controlled by the display screen of driver module, and described main control MCU is connected with LOAD CELLS, audio frequency conciliation/demodulation module respectively.
Described title body also comprises the key-press module being connected with main control MCU.
Described title body also comprises the power module being connected with audio frequency conciliation/demodulation module with main control MCU.
The beneficial effects of the utility model:
The utility model electronic scale is by claiming to arrange audio frequency conciliation/demodulation module, being subject to sound device and acoustical generator in conditional electronic, the acoustical generator that generally all can have in conjunction with existing intelligent terminal (speaker) and be subject to sound device (microphone), transmission frequency can not be identified higher than 20KHz(people's ear) voice carrier, realize the Wireless Data Transmission that electronic scale claims body and intelligent terminal, this mode with low cost, cost than bluetooth and WIFI greatly reduces, thus solved electronic scales in wireless transmission due to the restriction aspect cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Fig. 1 is a kind of theory diagram that utilizes audio frequency to transmit the electronic scales of data of the utility model;
Fig. 2 is specific embodiment of the utility model structured flowchart.
Embodiment
As shown in Figure 1, for a kind of electronic scales that utilizes audio frequency to transmit data of the present utility model, comprise claim body 1, with the intelligent terminal 2 that claims body 1 wirelessly transmitting data, and audio transmission/receiving system 3, the sound signal that audio transmission/receiving system 3 produces from scale body 1 or intelligent terminal 2 for receiving the sound signal that produces from scale body 1 or intelligent terminal 2 and transmission.
See Fig. 2, for specific embodiment of the utility model, wherein, the title body 1 of the utility model electronic scale comprises: force mechanism 11, the LOAD CELLS 12 of measuring the suffered object gravity of force mechanism 11, main control MCU 13, the driver module 14 that connects main control MCU 13, the display screen 15 that is controlled by driver module 14, the key-press module 19 being connected with main control MCU 13, the power module 20 being connected with audio frequency conciliation/demodulation module 18 with main control MCU 13;
Audio transmission/the receiving system 3 of the utility model electronic scales comprises: be arranged on the first acoustical generator 16 claiming on body 1, first is subject to sound device 17, audio frequency conciliation/the demodulation module 18 being connected with main control MCU 13, and be arranged on the second acoustical generator 21 and second being connected with its master control system on intelligent terminal 2 and be subject to sound device 22, the second acoustical generator 21 is subject to sound device 17 for sending the sound signal of conciliation to first, the second sound signal that reconciled for receiving the first acoustical generator 16 by sound device 22, audio frequency conciliation/demodulation module 18 is by the first acoustical generator 16 output audios and to the first audio frequency demodulation that transmitted by sound device 17.
In the utility model, the voice carrier frequency of mediate/demodulation of audio frequency conciliation/demodulation module 18 is more than or equal to 20KHz, and in this frequency range, people's ear can not be identified, and therefore by this frequency data transmission, just can realize noiseless wireless transmission.Certainly, the ultrasound wave that is more than or equal to 20KHz is preferred version of the present utility model, is equally applicable to the utility model, lower than the audio frequency of 20KHz all within protection domain of the present utility model.
The course of work of the present utility model is: power is passed to LOAD CELLS 12 after force mechanism 11 is subject to gravity; LOAD CELLS 12 sends the signal changing to main control MCU 13; The simulating signal of 13 pairs of LOAD CELLS of main control MCU 12 transmission is carried out A/D(analog to digital conversion) and D/A(digital-to-analog conversion) process after, result is presented on display screen 15, result is sent to audio frequency conciliation/demodulation module 18 with binary form simultaneously, audio frequency conciliation/demodulation module 18 produces the voice carrier of 20KHZ, voice carrier sends to the first acoustical generator 16, the first acoustical generators 16 that sound is sent the audio frequency with binary data; Second of intelligent terminal 2 is subject to sound device 22 (microphone) to receive the audio frequency with binary data, be contained in the application processing module (APP in intelligent terminal 2, general intelligence terminal all can with application processing module) audio frequency with binary data is processed, filter out binary data, and result is presented on intelligent terminal 2.
Conversely, first of scale body 1 is subject to sound device 17 also can receive the voice data that on intelligent terminal 2, the second acoustical generator 21 is sent, by audio frequency conciliation/demodulation module 18, voice data is demodulated into binary data, and the processes and displays of passing through main control MCU 13 is on display screen 15.
In the utility model, intelligent terminal 2 is common smart mobile phone or panel computer (as IPAD), the utility model electronic scale is by claiming to arrange audio frequency conciliation/demodulation module in conditional electronic, be subject to sound device and acoustical generator, the acoustical generator that generally all can have in conjunction with existing intelligent terminal (speaker) and be subject to sound device (microphone), transmission frequency can not be identified higher than 20KHz(people's ear) voice carrier, realize the Wireless Data Transmission that electronic scale claims body and intelligent terminal, this mode with low cost, cost than bluetooth and WIFI greatly reduces, thereby solved electronic scales in wireless transmission due to the restriction aspect cost.
The foregoing is only preferential embodiment of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as within the technical scheme that realizes the utility model object with basic identical means all belongs to protection domain of the present utility model.
Claims (6)
1. an electronic scales that utilizes audio frequency to transmit data, comprise claim body (1) and with the intelligent terminal (2) that claims body (1) wirelessly transmitting data, it is characterized in that: it also comprises one audio transmission/receiving system (3), to realize the transmission of the sound signal of scale body (1) and intelligent terminal (2).
2. a kind of electronic scales that utilizes audio frequency to transmit data according to claim 1, it is characterized in that: described audio transmission/receiving system (3) comprises that the second acoustical generator (21) and second on intelligent terminal (2) is subject to sound device (22), and be arranged on the first acoustical generator (16), first claiming on body (1) and be subject to sound device (17) and audio frequency conciliations/demodulation module (18), described audio frequency conciliations/demodulation module (18) is exported the audio frequency of conciliation by the first acoustical generator (16) and to the first audio frequency demodulation that transmitted by sound device (17); Described the second acoustical generator (21) is subject to sound device (17) to first, the described second sound signal that reconciled for receiving the first acoustical generator (16) by sound device (22) for sending the sound signal of conciliation.
3. a kind of electronic scales that utilizes audio frequency to transmit data according to claim 2, is characterized in that: the voice carrier frequency of mediate/demodulation of described audio frequency conciliation/demodulation module (18) is more than or equal to 20KHz.
4. a kind of electronic scales that utilizes audio frequency to transmit data according to claim 2, it is characterized in that: described title body (1) also comprises force mechanism (11), measures the LOAD CELLS (12) of the suffered object gravity of force mechanism (11), main control MCU (13) and connect the driver module (14) of main control MCU (13) and be controlled by the display screen (15) of driver module (14), and described main control MCU (13) is connected with LOAD CELLS (12), audio frequency conciliation/demodulation module (18) respectively.
5. a kind of electronic scales that utilizes audio frequency to transmit data according to claim 4, is characterized in that: described title body (1) also comprises the key-press module (19) being connected with main control MCU (13).
6. a kind of electronic scales that utilizes audio frequency to transmit data according to claim 4, is characterized in that: described title body (1) also comprises the power module (20) being connected with audio frequency conciliation/demodulation module (18) with main control MCU (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320413512.1U CN203414162U (en) | 2013-07-11 | 2013-07-11 | Electronic scale using audio frequency to transmit data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320413512.1U CN203414162U (en) | 2013-07-11 | 2013-07-11 | Electronic scale using audio frequency to transmit data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414162U true CN203414162U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320413512.1U Expired - Fee Related CN203414162U (en) | 2013-07-11 | 2013-07-11 | Electronic scale using audio frequency to transmit data |
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| Country | Link |
|---|---|
| CN (1) | CN203414162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364066A (en) * | 2013-07-11 | 2013-10-23 | 中山市永衡日用制品有限公司 | Electronic scale using voice frequency to transmit data |
-
2013
- 2013-07-11 CN CN201320413512.1U patent/CN203414162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364066A (en) * | 2013-07-11 | 2013-10-23 | 中山市永衡日用制品有限公司 | Electronic scale using voice frequency to transmit data |
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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: 20140129 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |