CN206878926U - The mobile phone that can be weighed - Google Patents
The mobile phone that can be weighed Download PDFInfo
- Publication number
- CN206878926U CN206878926U CN201720563845.0U CN201720563845U CN206878926U CN 206878926 U CN206878926 U CN 206878926U CN 201720563845 U CN201720563845 U CN 201720563845U CN 206878926 U CN206878926 U CN 206878926U
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- Prior art keywords
- capacitor
- resistor
- pressure sensor
- analog
- mobile phone
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- 239000003990 capacitor Substances 0.000 claims description 58
- 239000011324 bead Substances 0.000 claims description 24
- 238000005303 weighing Methods 0.000 claims description 22
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of mobile phone that can be weighed, wherein, including processor, display screen, hook, elastic arm, pressure sensor and analog to digital conversion circuit;One end of hook and one end of elastic arm connect;The other end of elastic arm is connected with pressure sensor, produces deformation during stress;The output end of pressure sensor and the input of analog to digital conversion circuit connect;The output end of analog to digital conversion circuit and the signal input part of processor connect;The display output end of processor and the signal input part of display screen connect.The function of electronic scale is combined by technical solutions of the utility model with mobile phone so that electronic scale is more portable, intelligence.
Description
Technical Field
The utility model relates to a weighing-appliance technical field, in particular to cell-phone that can weigh.
Background
People need to carry out weighing operation on articles in markets, warehouses and other occasions. Most of the existing electronic scales have large size and poor portability, people cannot carry the electronic scales, and the small portable electronic scales are not intelligent enough and have small display screens, so that the intelligent calculation cannot be carried out. How to obtain an electronic scale which can be carried about and can carry out intelligent operation becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a cell-phone that can weigh with portability and intelligence.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a mobile phone capable of weighing comprises a processor, a display screen, a hook, an elastic arm, a pressure sensor and an analog-to-digital conversion circuit; wherein,
one end of the hook is connected with one end of the elastic arm;
the other end of the elastic arm is connected with the pressure sensor and deforms when stressed;
the output end of the pressure sensor is connected with the input end of the analog-to-digital conversion circuit;
the output end of the analog-to-digital conversion circuit is connected with the signal input end of the processor;
and the display output end of the processor is connected with the signal input end of the display screen.
Preferably, a containing groove is formed in the shell of the mobile phone capable of weighing, and the hook is retractably contained in the containing groove.
Preferably, the pressure sensor is a wheatstone bridge pressure sensor.
Furthermore, the analog-to-digital conversion circuit comprises a pressure sensor interface, a conversion chip and an input filter circuit; the input end of the input filter circuit is connected with the pressure sensor interface, the output end of the input filter circuit is connected with the analog input end of the conversion chip, and the output end of the conversion chip is connected with the processor.
Furthermore, the input filter circuit comprises a first resistor, a second resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first end of the first resistor is connected with the second pin of the pressure sensor interface, and the second end of the first resistor is connected with the first analog input end of the conversion chip; the first end of the second resistor is connected with a third pin of the pressure sensor interface, and the second end of the second resistor is connected with a second analog input end of the conversion chip; a first end of the first capacitor is connected with a first pin of the pressure sensor interface, a second end of the first capacitor is connected with an equipotential end, a first end of the second capacitor is connected with the equipotential end, a second end of the second capacitor is connected with a first end of the third capacitor, a second end of the third capacitor is connected with a first end of the fourth capacitor, and a second end of the fourth capacitor is connected with the equipotential end; the second end of the first resistor is connected with the first end of the third capacitor, and the second end of the second resistor is connected with the second end of the third capacitor.
Further, the magnetic particle comprises a first magnetic bead and a second magnetic bead; the second end of the first resistor is connected with the first end of the first magnetic bead, and the second end of the first magnetic bead is connected with the first analog input end of the conversion chip; and the second end of the second resistor is connected with the first end of the second magnetic bead, and the second end of the second magnetic bead is connected with the second analog input end of the conversion chip.
Furthermore, the circuit also comprises a fifth capacitor, a third resistor and a fourth resistor; a power supply end of the conversion chip is connected with a first end of the fifth capacitor, and a second end of the fifth capacitor is grounded; the first end of the fourth resistor is connected with the clock end of the conversion chip; the first end of the third resistor is connected with the output end of the conversion chip, and the second end of the third resistor is connected with the processor;
furthermore, the voltage reference output end and the voltage reference input end of the conversion chip are both connected with the first end of the pressure sensor interface.
By adopting the technical scheme, the mobile phone is additionally provided with the hook, the elastic arm, the pressure sensor and the analog-to-digital conversion circuit, one end of the hook is connected with one end of the elastic arm, and the other end of the elastic arm is connected with the pressure sensor and deforms when stressed; the output end of the pressure sensor is connected with the input end of the analog-to-digital conversion circuit and used for detecting pressure information borne by the elastic arm; then converting the received analog signal into a digital signal through an analog-to-digital conversion circuit, and sending the digital signal to a processor; and finally, the processor processes the digital signals and displays data through the display screen. According to the technical scheme, the mobile phone has a weighing function, the portability of the electronic scale is greatly improved, and meanwhile, the mobile phone processor can be used for carrying out intelligent processing on weighing data.
Drawings
Fig. 1 is a schematic structural view of a mobile phone capable of weighing according to the present invention;
fig. 2 is the analog-to-digital conversion circuit schematic diagram of the mobile phone that can weigh of the utility model.
Wherein: in fig. 1, 100-hook, 200-elastic arm, 300-pressure sensor, 400-mobile phone body;
in fig. 2, 10 is a pressure sensor interface, 20 is an input filter circuit, 30 is a conversion chip, C1 is a first capacitor, C2 is a second capacitor, C3 is a third capacitor, C4 is a fourth capacitor, C5 is a fifth capacitor, R1 is a first resistor, R2 is a second resistor, R3 is a third resistor, R4 is a fourth resistor, L1 is a first magnetic bead, and L2 is a second magnetic bead.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the utility model provides a mobile phone capable of weighing, which comprises a processor, a display screen, a hook 100, an elastic arm 200, a pressure sensor 300 and an analog-to-digital conversion circuit; wherein, one end of the hook 100 is connected with one end of the elastic arm 200; the other end of the elastic arm 200 is connected with the pressure sensor 300 and deforms when stressed; the output end of the pressure sensor 300 is connected with the input end of the analog-to-digital conversion circuit; the output end of the analog-to-digital conversion circuit is connected with the signal input end of the processor; and the display output end of the processor is connected with the signal input end of the display screen. .
It should be noted that, in the embodiment of the present invention, the hook 100, elastic arm 200 and pressure sensor 300 are all fixed on the mobile phone body 400, when using the function of weighing, the hook 100 is hung to the article that needs to weigh, the hook 100 passes on the elastic arm 200 with the atress, the deformation of different degrees can be produced to the elastic arm 200 atress, pressure sensing ware 300 can feed back this kind of small deformation to the analog-to-digital conversion circuit with different current values, analog-to-digital conversion circuit converts the analog signal of input into digital signal, the digital signal output of analog-to-digital conversion circuit output is to the treater in, data processing through the treater, and then show article weight, data such as price from the display screen.
Further, the embodiment of the utility model provides an in, the cell-phone that can weigh can also be through input device input user's such as cell-phone touch screen or keyboard information that sets up, through user's information of setting and the weight data of measuring, realize the price calculation, peel functions such as weighing.
The utility model adds the hook 100, the elastic arm 200, the pressure sensor 300 and the analog-to-digital conversion circuit on the mobile phone, one end of the hook 100 is connected with one end of the elastic arm 200, the other end of the elastic arm 200 is connected with the pressure sensor 300, and the deformation is generated when the force is applied; the output end of the pressure sensor 300 is connected with the input end of the analog-to-digital conversion circuit and is used for detecting the pressure information received by the elastic arm 200; then converting the received analog signal into a digital signal through an analog-to-digital conversion circuit, and sending the digital signal to a processor; and finally, the processor processes the digital signals and displays data through the display screen. According to the technical scheme, the mobile phone has a weighing function, the portability of the electronic scale is greatly improved, and meanwhile, the mobile phone processor can be used for carrying out intelligent processing on weighing data.
Specifically, a containing groove is formed in the case of the mobile phone capable of weighing, and the hook 100 is retractably contained in the containing groove.
It should be noted that when the mobile phone capable of weighing is not used with the electronic scale function, the hook 100 is retracted into the accommodating groove, so as to save space and make the mobile phone more portable. When the function of the electronic scale is used, the hook 100 can be pulled out from the receiving groove to be used.
Specifically, pressure sensor 300 comprises a Wheatstone bridge pressure sensor.
In this embodiment, the wheatstone bridge pressure sensor is composed of 4 piezoresistors connected in a wheatstone bridge structure. When there is no pressure on these sensors, all resistance values in the bridge are equal. When an external force is applied to the bridge, the resistance values of two opposite resistors are increased, the resistance values of the other two resistors are decreased, and the increased and decreased resistance values are equal to each other, thereby converting pressure information into an electrical signal.
Further, the mobile phone capable of weighing is a smart phone.
As shown in fig. 2, the analog-to-digital conversion circuit includes a pressure sensor interface 10, a conversion chip 30 and an input filter circuit 20; the input end of the input filter circuit 20 is connected with the pressure sensor interface 10, the output end of the input filter circuit 20 is connected with the analog input end of the conversion chip 30, and the output end of the conversion chip 30 is connected with the processor.
More specifically, the input filter circuit includes a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4; a first end of the first resistor R1 is connected to the second pin of the pressure sensor interface 10, and a second end of the first resistor R2 is connected to the first analog input end of the conversion chip 30; a first end of the second resistor R2 is connected to the third pin of the pressure sensor interface 10, and a second end of the second resistor R2 is connected to the second analog input end of the conversion chip 30; a first end of a first capacitor C1 is connected with a first pin of the pressure sensor interface 10, a second end of the first capacitor C1 is connected with an equipotential end, a first end of a second capacitor C2 is connected with the equipotential end, a second end of the second capacitor C2 is connected with a first end of a third capacitor C3, a second end of the third capacitor C3 is connected with a first end of a fourth capacitor C4, and a second end of the fourth capacitor C4 is connected with the equipotential end; the second terminal of the first resistor R1 is connected to the first terminal of the third capacitor C3, and the second terminal of the second resistor R2 is connected to the second terminal of the third capacitor C3.
Specifically, the magnetic beads include a first magnetic bead L1 and a second magnetic bead L2; a second end of the first resistor R1 is connected to a first end of the first magnetic bead L1, and a second end of the first magnetic bead L1 is connected to a first analog input end of the conversion chip 30; the second end of the second resistor R2 is connected to the first end of the second bead L2, and the second end of the second bead L2 is connected to the second analog input terminal of the conversion chip 30.
It should be noted that the first magnetic bead L1 and the second magnetic bead L2 can reduce signal input interference between the first analog input terminal and the second module input terminal, thereby improving the stability of the electronic scale and the accuracy of the electronic scale.
Specifically, the capacitor further comprises a fifth capacitor C5, a third resistor R3 and a fourth resistor R4; the power supply terminal of the converting chip 30 is connected to the first terminal of the fifth capacitor C5, and the second terminal of the fifth capacitor C5 is grounded; a first end of the fourth resistor R4 is connected with the clock end of the conversion chip 30; a first end of the third resistor R3 is connected with the output end of the conversion chip 30, and a second end of the third resistor R3 is connected with the processor;
it should be noted that, the power supply port of the conversion chip 30 is grounded through the fifth capacitor C5, so that the power supply voltage of the conversion chip 30 can be filtered, and the stability of the device is improved.
Specifically, the voltage reference output terminal and the voltage reference input terminal of the conversion chip 30 are both connected to the first terminal of the pressure sensor interface 10.
It should be noted that, by feedback comparison of the reference voltage, the data can be more accurate, and the accuracy of the electronic scale function is increased.
The utility model discloses a cell-phone that can weigh that treater, display screen, couple 10, elastic arm 20, pressure sensor 30 and analog-to-digital conversion circuit had both conveniently carried and can carry out intelligent calculation has been realized. The function of the electronic scale is integrated into the mobile phone, so that the user can weigh at any time only by carrying the mobile phone in daily life, and the electronic scale is convenient and quick.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (8)
1. The utility model provides a cell-phone that can weigh, includes treater and display screen, its characterized in that: the device also comprises a hook, an elastic arm, a pressure sensor and an analog-digital conversion circuit; wherein,
one end of the hook is connected with one end of the elastic arm;
the other end of the elastic arm is connected with the pressure sensor and deforms when stressed;
the output end of the pressure sensor is connected with the input end of the analog-to-digital conversion circuit;
the output end of the analog-to-digital conversion circuit is connected with the signal input end of the processor;
and the display output end of the processor is connected with the signal input end of the display screen.
2. A mobile phone capable of weighing according to claim 1, wherein: an accommodating groove is formed in the shell of the hook, and the hook is accommodated in the accommodating groove in a retractable manner.
3. A mobile phone capable of weighing according to claim 1, wherein: the pressure sensor is a Wheatstone bridge pressure sensor.
4. A mobile phone capable of weighing according to any one of claims 1 to 3, wherein: the analog-to-digital conversion circuit comprises a pressure sensor interface, a conversion chip and an input filter circuit; the input end of the input filter circuit is connected with the pressure sensor interface, the output end of the input filter circuit is connected with the analog input end of the conversion chip, and the output end of the conversion chip is connected with the processor.
5. A mobile phone capable of weighing according to claim 4, wherein: the input filter circuit comprises a first resistor, a second resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; the first end of the first resistor is connected with the second pin of the pressure sensor interface, and the second end of the first resistor is connected with the first analog input end of the conversion chip; the first end of the second resistor is connected with a third pin of the pressure sensor interface, and the second end of the second resistor is connected with a second analog input end of the conversion chip; a first end of the first capacitor is connected with a first pin of the pressure sensor interface, a second end of the first capacitor is connected with an equipotential end, a first end of the second capacitor is connected with the equipotential end, a second end of the second capacitor is connected with a first end of the third capacitor, a second end of the third capacitor is connected with a first end of the fourth capacitor, and a second end of the fourth capacitor is connected with the equipotential end; the second end of the first resistor is connected with the first end of the third capacitor, and the second end of the second resistor is connected with the second end of the third capacitor.
6. A mobile phone capable of weighing according to claim 5, wherein: the magnetic bead magnetic head also comprises a first magnetic bead and a second magnetic bead; the second end of the first resistor is connected with the first end of the first magnetic bead, and the second end of the first magnetic bead is connected with the first analog input end of the conversion chip; and the second end of the second resistor is connected with the first end of the second magnetic bead, and the second end of the second magnetic bead is connected with the second analog input end of the conversion chip.
7. A mobile phone capable of weighing according to claim 6, wherein: the circuit also comprises a fifth capacitor, a third resistor and a fourth resistor; a power supply end of the conversion chip is connected with a first end of the fifth capacitor, and a second end of the fifth capacitor is grounded; the first end of the fourth resistor is connected with the clock end of the conversion chip; and the first end of the third resistor is connected with the output end of the conversion chip, and the second end of the third resistor is connected with the processor.
8. A mobile phone capable of weighing according to claim 7, wherein: and the voltage reference output end and the voltage reference input end of the conversion chip are both connected with the first end of the pressure sensor interface.
Priority Applications (1)
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CN201720563845.0U CN206878926U (en) | 2017-05-19 | 2017-05-19 | The mobile phone that can be weighed |
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CN201720563845.0U CN206878926U (en) | 2017-05-19 | 2017-05-19 | The mobile phone that can be weighed |
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CN206878926U true CN206878926U (en) | 2018-01-12 |
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CN201720563845.0U Expired - Fee Related CN206878926U (en) | 2017-05-19 | 2017-05-19 | The mobile phone that can be weighed |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109579953A (en) * | 2018-11-19 | 2019-04-05 | Oppo广东移动通信有限公司 | A kind of weight measurements and terminal, storage medium |
CN111314533A (en) * | 2018-12-12 | 2020-06-19 | 北京小米移动软件有限公司 | Mobile terminal |
-
2017
- 2017-05-19 CN CN201720563845.0U patent/CN206878926U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109579953A (en) * | 2018-11-19 | 2019-04-05 | Oppo广东移动通信有限公司 | A kind of weight measurements and terminal, storage medium |
CN111314533A (en) * | 2018-12-12 | 2020-06-19 | 北京小米移动软件有限公司 | Mobile terminal |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20200519 |
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CF01 | Termination of patent right due to non-payment of annual fee |