CN201803780U - Electronic projection scale for body weight - Google Patents
Electronic projection scale for body weight Download PDFInfo
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- CN201803780U CN201803780U CN2010205480286U CN201020548028U CN201803780U CN 201803780 U CN201803780 U CN 201803780U CN 2010205480286 U CN2010205480286 U CN 2010205480286U CN 201020548028 U CN201020548028 U CN 201020548028U CN 201803780 U CN201803780 U CN 201803780U
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- 230000037396 body weight Effects 0.000 title abstract description 17
- 230000005484 gravity Effects 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 31
- 238000005070 sampling Methods 0.000 claims description 22
- 230000006870 function Effects 0.000 claims description 12
- 230000005055 memory storage Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract 2
- 230000010354 integration Effects 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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Abstract
The utility model relates to a scale for body weight, especially relates to an electronic projection scale for body weight. The technical scheme is characterized that the electronic projection scale for body weight comprises a bottom seat, a plug, and a gravity sensor; a pressure bearing panel is attached to the upper surface of the bottom seat, a stabilized electric power is arranged inside the bottom seat, and the stabilized electric power is connected with the plug through wires; the electronic projection scale for body weight further comprises a sample amplification circuit and a V/F converting circuit; the signal of the gravity sensor is transmitted to the data integration circuit through the sample amplification circuit and the V/F converting circuit; a projection device is arranged inside the bottom seat, and the projection device is in electrical connection with the data integration circuit. The utility model can precisely measure the body weight with precise result reading. In the mean time, personal privacy is carefully protected, the structure is simple, and the use is convenient.
Description
Technical field
The utility model relates to a kind of scale, particularly a kind of electronic projection scale.
Background technology
At present; existing scale is divided into two kinds; a kind of is the simulation scale; a kind of is electronic scales; wherein simulate the problem that deviation of reading appears in scale easily; the electronic scales reading is more accurate, and reading is convenient, and some electronic scales also has the function of voice reading; be very much convenient; but, no matter be simulation scale or electronic scales, all there is the problem that thinks little of the individual privacy protection; particularly the women often is considered as individual privacy with weight data when weighing in; be reluctant to be known, but existing scale tends to allow other people learn this type of information, causes the personnel's of weighing dislike easily by other people.
Chinese patent notification number CN 201016796, February 6 2008 day for announcing, announced a kind of body weight weighing electronic scales device, comprise: the sensing amplifying circuit, be used for converting human body body weight signal to the correspondent voltage signal by pressure transducer, and by amplifier circuit with this voltage signal shaping, zoom into and measure input signal to described data processing circuit; It is characterized in that, this electronic scales device also comprises: data processing circuit, be used for to described measurement input signal sample, digital filtering, numeral and calculation, the gamma correction of measurement data and the data processing function of output data conversion, and the output data of conversion is coupled to the weight data output circuit; The weight data output circuit is used for the output data of described conversion is exported as the human body weight data; Power circuit is used for providing power supply energy to described sensing amplifying circuit, data processing circuit and weight data output circuit.Though this this patent has a lot of advantages, this patent also thinks little of in the protection of individual privacy, easily individual body weight for humans information is revealed.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art and shortcoming, provides a kind of and can accurately measure body weight, and convenient reading is noted the individual privacy protection, electronic projection scale simple in structure, easy to use simultaneously.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of electronic projection scale, comprise base, plug and gravity sensor, described base upper surface is connected with the pressure-bearing panel, be provided with stabilized voltage supply in the described base, described stabilized voltage supply is connected with plug by circuit, described electronic projection scale also includes sampling amplifying circuit and V/F change-over circuit, the signal of described gravity sensor transfers to data integrated circuit by described sampling amplifying circuit and described V/F change-over circuit successively, be provided with projection arrangement in the described base, described projection arrangement is electrically connected with data integrated circuit.The signal of gravity sensor amplifies shaping by the sampling amplifying circuit with simulating signal sampling and is converted into digital signal by the simulating signal of V/F change-over circuit after with shaping; transfer to data integrated circuit then; data integrated circuit is electrically connected with projection arrangement; data integrated circuit is sent to projection arrangement after with digital signal processing; by projection arrangement weight information is throwed; this moment, the user can reach as the screen of projection; weight data projects the user and stretches out on hand; make things convenient for the user to block, play the effect of protection privacy.
As preferably, also be provided with photoelectric induction device in the base, described photoelectric induction device is electrically connected with described data integrated circuit.Be provided with photoelectric induction device in the base,, regulate the focal length of projection arrangement, the projection numeral clearly can be projected to the user on hand, convenient use by the hand and the distance of projection arrangement that photoelectric induction device induction user stretches out.
As preferably, described data integrated circuit comprises the external memory storage circuit and the crystal oscillating circuit of single chip circuit, band watchdog function.Data integrated circuit comprises single chip circuit, external memory storage circuit and crystal oscillating circuit, single chip circuit can fast and effeciently be handled electric signal, and stable performance, the external memory storage circuit is deposited offset data, be used for distortion compensation to circuit, be with watchdog function to provide reset signal simultaneously, prevent program fleet and enter endless loop for single-chip microcomputer.
As preferably, described single chip circuit is the 89C52 single chip circuit, and described external memory storage circuit adopts the TLC25045 chip circuit.Single chip circuit is the 89C52 single chip circuit, satisfied the demand of single chip circuit function effectively, and the 89C52 single-chip microcomputer is stable practical, cheap, applicable performance is good, and the external memory storage circuit adopts the TLC25045 chip circuit to satisfy and deposits offset data, is used for the distortion compensation to circuit, the TLC25045 chip is also subsidiary simultaneously watchdog function, satisfies request for utilization.
As preferably, described projection arrangement is the LED projection arrangement, and described LED projection arrangement interface is electrically connected with P0 mouth, the P2 mouth of 89C52 single-chip microcomputer.LED projection arrangement interface is electrically connected with P0 mouth, the P2 mouth of 89C52 single-chip microcomputer, and P0 mouth, P2 mouth are pressed input signal as common I/O mouth output signal with regard to this LED projection arrangement, and projection output shows weight data.
As preferably, described photoelectric induction device is the infrared ray electrical induction device, described infrared ray electrical induction device input end is electrically connected with the P3.5 mouth of 89C52 single-chip microcomputer, and the feedback end of described infrared ray electrical induction device is electrically connected with the P3.3 mouth of 89C52 single-chip microcomputer.Reflection ray can stably be launched and accept to the infrared ray electrical induction device, and infrared ray electrical induction device technology maturation is widely used simultaneously, satisfies and use needs; Infrared ray electrical induction device input end is electrically connected with the P3.5 mouth of 89C52 single-chip microcomputer, feedback end is electrically connected with the P3.3 mouth of 89C52 single-chip microcomputer, the P3.5 mouth of 89C52 single-chip microcomputer sends the signal conduction infrared light-emitting diode, this moment the user reach can be with this infrared reflection to infrared receiving tube, the P3.3 mouth of the signal input 89C52 single-chip microcomputer of projection arrangement will be started, this moment, the P3.3 mouth played the effect of external interrupt mouth as second function, Single Chip Microcomputer (SCM) program produces interrupts, and sends the signal that starts projection arrangement and show weight data.
As preferably, described sampling amplifying circuit comprises the stress rheostat, and described stress rheostat is connected with gravity sensor by lever.The stress rheostat can calculate the human body body weight by lever and gravity sensor easily by the rheostatic resistance size of calculated stress.
As preferably, described V/F change-over circuit adopts the LM331 chip circuit, and described LM331 chip circuit input end is electrically connected with the output terminal of the amplifying circuit of sampling, and described LM331 chip circuit output terminal is electrically connected with 89C52 single-chip microcomputer P3.2 mouth.LM331 chip circuit input end is electrically connected with the output terminal of sampling amplifying circuit, output terminal is electrically connected with 89C52 single-chip microcomputer P3.2 mouth, the function that the LM331 chip circuit the plays V/F conversion voltage of exporting after the amplifying circuit shaping of will sampling is changed, be converted to the frequency signal that 89C52 can read, this moment 89C52 P3.2 cause for gossip row external interrupt function, the reading frequency signal is counted, thereby draws user's body weight information.
As preferably, described pressure-bearing panel upper surface is provided with movable loam cake, and the corresponding projection arrangement of described movable loam cake place is provided with lens, and the corresponding photoelectric induction device of described movable loam cake place is provided with the photoelectric sensor camera lens.The corresponding projection arrangement of movable loam cake place is provided with lens, and corresponding photoelectric induction device place is provided with the photoelectric sensor camera lens, and such being provided with can be strengthened the enlarging projection signal to the infrared ray signal.
As preferably, described pressure-bearing panel is provided with anti-skidding salient point.The pressure-bearing panel is provided with anti-skidding salient point can reduce the possibility that the user falls down because of carelessness.
The beneficial effects of the utility model are: the utility model can accurately be measured body weight, and reading is accurate, notes the individual privacy protection simultaneously, and is simple in structure, easy to use.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is a kind of decomposition texture synoptic diagram of the present utility model;
Fig. 3 is a kind of circuit block diagram of the present utility model;
Fig. 4 is a kind of external memory storage circuit figure of the present utility model;
Fig. 5 is a kind of sampling amplifying circuit circuit diagram of the present utility model;
Fig. 6 is a kind of V/F change-over circuit circuit diagram of the present utility model;
Fig. 7 is a kind of photoelectric induction device circuit diagram of the present utility model.
Among the figure: 1, lens, 2, the photoelectric sensor camera lens, 3, movable loam cake, 4, anti-skidding salient point, 5, the pressure-bearing panel, 6, projection arrangement, 8, base, 9, data integrated circuit, 10, gravity sensor, 11, stabilized voltage supply, 12, the LED projection arrangement, 13, the external memory storage circuit, 14, sampling amplifying circuit, 15, the V/F change-over circuit, 16, photoelectric induction device, 17, crystal oscillating circuit, 18, the 89C52 single-chip microcomputer.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of electronic projection scale (referring to accompanying drawing 1), comprise data integrated circuit 9, base 8 and plug, data integrated circuit 9 data integrated circuits comprise the 89C52 single chip circuit, the external memory storage circuit 13 and the crystal oscillating circuit 17 of band watchdog function, be provided with stabilized voltage supply 11(in the base 8 referring to accompanying drawing 2), stabilized voltage supply 11 is connected with plug by circuit, base 8 inside also are provided with sampling amplifying circuit 14 and gravity sensor 10, be provided with R7 stress rheostat (referring to accompanying drawing 5) in the sampling amplifying circuit 14, gravity sensor 10 is connected by the stress rheostat of lever with sampling amplifying circuit 14, sampling amplifying circuit 14 output terminals are electrically connected (referring to accompanying drawing 3) with the input end of V/F change-over circuit 15, V/F change-over circuit 15 is LM331 chip circuit (referring to an accompanying drawing 6), the output terminal of LM331 chip circuit is electrically connected with the P3.2 mouth of 89C52 single-chip microcomputer 18, the P0 mouth of 89C52 single-chip microcomputer 18, the P2 mouth is electrically connected with LED projection arrangement 6, the X1 mouth of 89C52 single-chip microcomputer 18, the X2 mouth is electrically connected with crystal oscillating circuit 17, the P1.3 mouth of 89C52 single-chip microcomputer 18, the P1.4 mouth, the P1.5 mouth, the P1.6 mouth, the P1.7 mouth is electrically connected with external memory storage circuit 13, external memory storage circuit 13 is TLC25045 chip circuit (referring to an accompanying drawing 4), the REST mouth of TLC25045 chip is electrically connected with the REST mouth of 89C52 single-chip microcomputer 18,89C52 single-chip microcomputer 18 is electrically connected with photoelectric induction device 16, the illuminating circuit emission infrared ray (referring to accompanying drawing 7) that photoelectric induction device 16 adopts infrared LEDs light emitting diode D4 to constitute, the induction feedback circuit that is made of infrared receiving tube Q1 is accepted the infrared ray of reflection, the transmission feedback signal, illuminating circuit is electrically connected with the P3.5 mouth of 89C52 single-chip microcomputer 18, the induction feedback circuit is electrically connected with the P3.3 mouth of 89C52 single-chip microcomputer 18, stabilized voltage supply 11 provides each functional circuit the required energy, base 8 upper surfaces are connected with pressure-bearing panel 5, pressure-bearing panel 5 is provided with movable loam cake 3, movable loam cake 3 corresponding LED projection arrangement places are provided with lens 1, movable loam cake 3 corresponding photoelectric induction devices 16 places are provided with photoelectric sensor camera lens 2, and pressure-bearing panel 5 upper surfaces also are provided with anti-skidding salient point 4.
When using, plugs the utility model socket earlier, stabilized voltage supply work, give various functional circuit power supplies, the user stands and goes up the utility model, gravity sensor work, gravity sensor is connected with the stress rheostat R7 lever of sampling in the amplifying circuit, the sampling amplifying circuit amplifies sampling relatively to resistance and reference value resistance value that R7 changes, the output sampled signal is through shaping and distortion compensation, the body weight sampled data of output analog quantity, the V/F change-over circuit receives the body weight sampled data of analog quantity and carries out the V/F conversion, output frequency signal, frequency signal is the digital quantity signal of weight data, be directly inputted into the external interrupt mouth of single-chip microcomputer 89C52, single-chip microcomputer external interrupt mouth reads this frequency signal, carry out the inside counting, and convert LED projection arrangement signal to, while single-chip microcomputer reading external memory circuit data, carry out compensation data and house dog program, this moment, photoelectric induction device was also started working, infrared LEDs light emitting diode D4 sends infrared signal, the user reaches palmar reflex infrared ray light to infrared receiver tube Q1 place, photoelectric induction device sends the P3.3 mouth of signal to single-chip microcomputer 89C52, the P3.3 mouth is carried out the external interrupt function, receive signal after, the Single Chip Microcomputer (SCM) program redirect, send LED projection arrangement signal, the work of LED projection arrangement is projected to user's palm, and this moment, the user can shelter from other people sight line by a bent slightly palm, can check the body weight information of oneself, and not worry that individual privacy spies on for other people; After opening pressure-bearing panel and movable loam cake, each functional circuit of scalable, finish adjusting zeroing of the present utility model, the adjusting work such as lamp that focalize, the resistance R 8 of regulating in the sampling amplifying circuit can be removed by AR the error that the difference of AR2 causes, R19 is a zero potentiometer, the zero point of adjustable circuit when zero gravity, linear adjustment is adjusted circuit device R21, can adjust the nonlinear distortion of stress; Swept resistance R28 in the photoelectric induction device is that focal length is adjusted resistance, regulates swept resistance R28 and can adjust receiving sensitivity, and the high more then distance of reaction of sensitivity is far away more.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (10)
1. electronic projection scale, comprise base (8), plug and gravity sensor (10), described base (8) upper surface is connected with pressure-bearing panel (5), be provided with stabilized voltage supply (11) in the described base (8), described stabilized voltage supply (11) is connected with plug by circuit, it is characterized in that: described electronic projection scale also includes sampling amplifying circuit (14) and V/F change-over circuit (15), the signal of described gravity sensor (10) transfers to data integrated circuit (9) by described sampling amplifying circuit (14) and described V/F change-over circuit (15) successively, be provided with projection arrangement (6) in the described base (8), described projection arrangement (6) is electrically connected with data integrated circuit (9).
2. electronic projection scale according to claim 1 is characterized in that: also be provided with photoelectric induction device (16) in the described base (8), described photoelectric induction device (16) is electrically connected with described data integrated circuit (9).
3. electronic projection scale according to claim 1 and 2 is characterized in that: described data integrated circuit (9) comprises the external memory storage circuit (13) and the crystal oscillating circuit (17) of single chip circuit, band watchdog function.
4. electronic projection scale according to claim 3 is characterized in that: described single chip circuit is 89C52 single-chip microcomputer (a 18) circuit, and described external memory storage circuit (13) adopts the TLC25045 chip circuit.
5. electronic projection scale according to claim 4, it is characterized in that: described projection arrangement (6) is a LED projection arrangement (12) (6), and described LED projection arrangement (12) (6) interface is electrically connected with P0 mouth, the P2 mouth of 89C52 single-chip microcomputer (18).
6. electronic projection scale according to claim 4, it is characterized in that: described photoelectric induction device (16) is an infrared ray electrical induction device (16), described infrared ray electrical induction device (16) input end is electrically connected with the P3.5 mouth of 89C52 single-chip microcomputer (18), and the feedback end of described infrared ray electrical induction device (16) is electrically connected with the P3.3 mouth of 89C52 single-chip microcomputer (18).
7. electronic projection scale according to claim 1 is characterized in that: described sampling amplifying circuit (14) comprises the stress rheostat, and described stress rheostat is connected with gravity sensor (10) by lever.
8. electronic projection scale according to claim 4, it is characterized in that: described V/F change-over circuit (15) adopts the LM331 chip circuit, described LM331 chip circuit input end is electrically connected with the output terminal of sampling amplifying circuit (14), and described LM331 chip circuit output terminal is electrically connected with 89C52 single-chip microcomputer (18) P3.2 mouth.
9. electronic projection scale according to claim 1, it is characterized in that: described pressure-bearing panel (5) upper surface is provided with movable loam cake (3), the corresponding projection arrangement of described movable loam cake (3) (6) locates to be provided with lens (1), and the corresponding photoelectric induction device of described movable loam cake (3) (16) locates to be provided with photoelectric sensor camera lens (2).
10. electronic projection scale according to claim 9 is characterized in that: described pressure-bearing panel (5) is provided with anti-skidding salient point (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205480286U CN201803780U (en) | 2010-09-29 | 2010-09-29 | Electronic projection scale for body weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205480286U CN201803780U (en) | 2010-09-29 | 2010-09-29 | Electronic projection scale for body weight |
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| Publication Number | Publication Date |
|---|---|
| CN201803780U true CN201803780U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205480286U Expired - Fee Related CN201803780U (en) | 2010-09-29 | 2010-09-29 | Electronic projection scale for body weight |
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| Country | Link |
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| CN (1) | CN201803780U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395684A (en) * | 2017-06-26 | 2017-11-24 | 上海斐讯数据通信技术有限公司 | A kind of information-pushing method and system |
| CN107976240A (en) * | 2017-11-21 | 2018-05-01 | 广东永衡良品科技有限公司 | A kind of luggage scale with Projection Display |
| CN108362366A (en) * | 2018-03-02 | 2018-08-03 | 宁波帝杨电子科技有限公司 | A kind of anti-peeping scale of the self power generation with shell |
| CN108627228A (en) * | 2018-05-22 | 2018-10-09 | 宁波帝杨电子科技有限公司 | It is a kind of to renovate anti-peeping scale |
-
2010
- 2010-09-29 CN CN2010205480286U patent/CN201803780U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395684A (en) * | 2017-06-26 | 2017-11-24 | 上海斐讯数据通信技术有限公司 | A kind of information-pushing method and system |
| CN107976240A (en) * | 2017-11-21 | 2018-05-01 | 广东永衡良品科技有限公司 | A kind of luggage scale with Projection Display |
| CN108362366A (en) * | 2018-03-02 | 2018-08-03 | 宁波帝杨电子科技有限公司 | A kind of anti-peeping scale of the self power generation with shell |
| CN108627228A (en) * | 2018-05-22 | 2018-10-09 | 宁波帝杨电子科技有限公司 | It is a kind of to renovate anti-peeping scale |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20110929 |