CN205280789U

CN205280789U - Novel virtual oscilloscope of cell -phone

Info

Publication number: CN205280789U
Application number: CN201521027049.2U
Authority: CN
Inventors: 徐文; 曾利; 杨帅
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2015-12-10
Filing date: 2015-12-10
Publication date: 2016-06-01
Anticipated expiration: 2025-12-10

Abstract

The utility model discloses a novel virtual oscilloscope of cell -phone, include the shell, set up spy needle holder and probe in shell one side, visit through the probe line connection between needle holder and probe and the shell, the bottom of shell is equipped with can dismantle the drain pan, still include signal conditioning module, FPGA logic control module, AD conversion module, STM32 control module, power unit, clock circuit and set up the USB interface in shell one side, signal conditioning module, FPGA logic control module, AD conversion module, STM32 control module and power unit are integrated on same circuit board to fix on the drain pan. The beneficial effect of the utility model: when we needed to measure various voltages and show the wave form in engineering test, we only needed couple together hardware part and USB data line cell -phone the for, open and utilize software just can work, compare ordinary oscilloscope, this type of novel oscilloscope practicality convenience more of getting up more in a flexible way.

Description

A kind of novel mobile phone virtual oscilloscope

Technical field

The utility model belongs to a kind of smart electronics product, be specifically related to a kind of can with the virtual oscilloscope of mobile phone control and display waveform.

Background technology

In recent years, in electronic measurement field, system under test (SUT) is more and more complicated, and the performance requriements for electronic measuring instrument is also more and more higher, and traditional oscillograph has been difficult to meet measurement requirement. The virtual oscilloscope of a kind of high-intelligentization degree so being just born. It can not only realize the function of traditional oscillograph, and have high-speed data acquisition, storage and transmission and accurately process data, stores the feature of waveform playback. Due to the progress of science and technology, and the probability carrying out work and maintenance of the equipment outside field is increasing, the more convenient oscilloscope wanting test is become also needs towards compact, light-weighted direction is developed, whether traditional oscillograph or virtual oscilloscope of today, although on measuring, they all meet requirement, but they are all bulky electronic measuring instruments, measure all inconvenient. Along with the development that the mobile terminal of android system is advanced by leaps and bounds, this just develops portable virtual oscilloscope to us and provides possibility, has just taken into account the advantage of general virtual oscilloscope and mobile device terminal advantage easy to carry based on the virtual oscilloscope of Android system development.

Not enough for these, if devising the virtual oscilloscope that can carry out Electronic Testing with smart mobile phone. This has far-reaching meaning for development and the engineering practice of convenient science and technology.

Practical novel content

Technical problem to be solved in the utility model is to provide a kind of novel mobile phone virtual oscilloscope, and available handsets control and display test waveform, facilitate engineering to test, it is to increase the degree easy to use of oscilloscope.

For solving the problem, the technical solution of the utility model is: a kind of novel mobile phone virtual oscilloscope, comprises shell, is arranged on Probe clip and the probe of shell side, described Probe clip and being connected by line probe between probe with shell; The bottom of described shell is provided with can dismantle drain pan; Novel mobile phone virtual oscilloscope also comprises Signal-regulated kinase, fpga logic control module, A/D conversion module, STM32 control module, supplying unit, clock circuit and is arranged on the USB interface of shell side; Described Signal-regulated kinase, fpga logic control module, A/D change module, STM32 control module and supplying unit and are integrated on same circuit card, and are fixed on drain pan.

Further, first the signal that described probe receives passes to Signal-regulated kinase, then data are passed to A/D conversion module and carry out analog to digital conversion, then digital signal transfers passes to STM32 control module after again processing to fpga logic control module, and finally number transfers out through USB interface; Described clock circuit is fpga logic control module offer clocksignal; Described supplying unit is used for as whole system power supply.

Further, described USB interface is USB3.0 interface.

Further, described drain pan is the rectangular plate of 15cm �� 20cm.

Further, described shell is the rectangular enclosure of 15cm �� 20cm.

Further, described shell and drain pan link together with screw.

Further, described Signal-regulated kinase is positioned at drain pan upper left position, described A/D changes module and is positioned at position, the drain pan upper right corner, described fpga logic control module is positioned at left position in the middle part of drain pan, described STM32 control module is positioned at location right in the middle part of drain pan, described clock circuit is positioned at position, the drain pan lower left corner, and described supplying unit is positioned at drain pan lower right position.

Further, described Probe clip and probe are connected by wire.

Further, described drain pan is PC material.

Further, described shell is PC material.

The beneficial effects of the utility model: when we need to measure various voltage in engineering is tested and during display waveform, we only need to be connected hardware components with mobile phone USB data line, open and use software just can work, comparing common oscilloscope, this kind of new oscilloscope practicality is got up more convenient more flexibly.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the right view of shell;

Fig. 3 is the left view of shell;

Fig. 4 is drain pan and enough schematic diagram.

Wherein, Probe clip (1), probe (2), line probe (3), shell (4), Signal-regulated kinase (5), fpga logic control module (6), A/D changes module (7), USB interface (8), STM32 control module (9), supplying unit (10), clock circuit (11), drain pan (12), probe interface (13), power supply interface (14).

Embodiment

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further elaborated.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of novel mobile phone virtual oscilloscope, and its integral part comprises shell 4, Probe clip 1, probe 2, line probe 3, shell 4, Signal-regulated kinase 5, fpga logic control module 6, A/D changes module 7, USB3.0 interface, STM32 control module 9, supplying unit 10, clock circuit 11, drain pan. Described Signal-regulated kinase 5, A/D conversion module 7, fpga logic control module 6, STM32 control module 9, clock circuit 11, supplying unit 10 is circuit card, and they are with entirety, are fixed on drain pan 12. Taking drain pan 12 as object of reference, Signal-regulated kinase 5 is positioned at drain pan 12 upper left position, described A/D changes module 7 and is positioned at position, drain pan 12 upper right corner, described fpga logic control module 6 is positioned at left position in the middle part of drain pan 12, described STM32 control module 9 is positioned at location right in the middle part of drain pan 12, described clock circuit 11 is positioned at position, drain pan 12 lower left corner, and described supplying unit 10 is positioned at drain pan 12 lower right position. Described shell 4 is made up of PC material, is connected by 4 screws with described drain pan 12, and for the protection of the various electronic components between described shell 4 and described drain pan 12, line probe 3 is inserted in probe interface 13.

First the measurement signal that described probe 2 receives is passed to described Signal-regulated kinase 5 and is processed, it is be responsible for the process such as the filtering to measured signal, decay or amplification that Signal-regulated kinase 5 mainly acts on, make the amplitude range of this measured signal meet the scope required by A/D chip, also reduce the negative impact of input signal simultaneously. Then data being passed to described A/D conversion module 7 and carry out analog to digital conversion, it is that the simulating signal of input is carried out analog to digital conversion that A/D changes module 7 effect, and numerary signal is sent in storer in order correctly. Then digital signal transfers passes to described STM32 control module 9 after again processing to described fpga logic control module 6, and final data is transferred to mobile phone terminal by described STM32 through described USB interface 8 and shows, and USB interface 8 is USB3.0 interface. Selecting USB3.0, be due to its higher more stable transmission speed, compared to traditional USB2.0 and nowadays popular radio communication, it can ensure that the high speed of data exchanges, and data are not subject to external interference, it is possible to the effective real-time ensureing oscilloscope work. Described clock circuit 11 provides clocksignal for described fpga logic control module 6, and described FPGA is used for controlling described Signal-regulated kinase 5 and A/D changes the process that module 7 is used for realizing signal. Described STM32 control module 9 is for controlling whole circuit, and described supplying unit 10 is for being whole system power supply. Described drain pan 12 is made up of PC material, for fixing circuit board. Described probe 2 is test probe, for metal material is made, is connected with probe interface by wire.

Signal-regulated kinase 5 is changed module 7 module with A/D and is connected by data line, is transmitted by cable data between the two.

Signal-regulated kinase 5 and A/D change module 7 module and are made up of various electronic component. Described fpga logic control module 6 is changed module 7 with described A/D and is connected by data line, carries out cable data exchange between the two. Fpga logic control module 6 is made up of various electronic component. Described fpga logic control module 6 and STM32 control module 9 are connected by data line, carry out data exchange between the two. Described STM32 control module 9 is made up of various electronic component. Described probe 2 is connected by wire with described Probe clip 1.

The those of ordinary skill of this area, it will be appreciated that embodiment described here is to help reader understanding's principle of the present utility model, should be understood to that protection domain of the present utility model is not limited to such special statement and embodiment. The those of ordinary skill of this area can make various other various concrete distortion and combination of not departing from the utility model essence according to the enlightenment of these technology disclosed in the utility model, and these distortion and combination are still in protection domain of the present utility model.

Claims

1. a novel mobile phone virtual oscilloscope, it is characterized in that: the Probe clip (1) comprise shell (4), being arranged on shell side and probe (2), it is connected by line probe (3) between described Probe clip (1) and probe (2) with shell (4); The bottom of described shell (4) is provided with can dismantle drain pan (12); Also comprise Signal-regulated kinase (5), fpga logic control module (6), A/D conversion module (7), STM32 control module (9), supplying unit (10), clock circuit (11) and it is arranged on the USB interface (8) of shell (4) side; Described Signal-regulated kinase (5), fpga logic control module (6), A/D change module (7), STM32 control module (9) and supplying unit (10) and are integrated on same circuit card, and are fixed on drain pan (12).

2. novel mobile phone virtual oscilloscope according to claim 1, it is characterized in that: first the signal that described probe (2) receives passes to Signal-regulated kinase (5), then data are passed to A/D conversion module (7) and carry out analog to digital conversion, then digital signal transfers passes to STM32 control module (9) after again processing to fpga logic control module (6), and finally number transfers out through USB interface (8); Described clock circuit (11) is fpga logic control module (6) offer clocksignal; Described supplying unit is used for as whole system power supply.

3. novel mobile phone virtual oscilloscope according to claim 1, it is characterised in that: described USB interface (8) is USB3.0 interface.

4. novel mobile phone virtual oscilloscope according to claim 1, it is characterised in that: described drain pan is the rectangular plate of 15cm �� 20cm.

5. novel mobile phone virtual oscilloscope according to claim 1, it is characterised in that: the rectangular enclosure that described shell (4) is 15cm �� 20cm.

6. novel mobile phone virtual oscilloscope according to claim 1, it is characterised in that: described shell (4) and drain pan link together with screw.

7. novel mobile phone virtual oscilloscope according to claim 1, it is characterized in that: described Signal-regulated kinase (5) is positioned at drain pan (12) upper left position, described A/D changes module (7) and is positioned at drain pan (12) position, the upper right corner, described fpga logic control module (6) is positioned at drain pan (12) middle part left position, described STM32 control module (9) is positioned at drain pan (12) middle part location right, described clock circuit is positioned at drain pan (12) position, the lower left corner, described supplying unit (10) is positioned at drain pan (12) lower right position.

8. novel mobile phone virtual oscilloscope according to claim 1, it is characterised in that: described Probe clip (1) and probe (2) are connected by wire.

9. novel mobile phone virtual oscilloscope according to claim 1 or 4, it is characterised in that: described drain pan (12) is PC material.

10. mobile phone virtual oscilloscope novel according to claim 1 or 5, it is characterised in that: described shell (4) is PC material.