CN1967263A - Wireless oscillograph especial for automobile - Google Patents
Wireless oscillograph especial for automobile Download PDFInfo
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- CN1967263A CN1967263A CN 200610146030 CN200610146030A CN1967263A CN 1967263 A CN1967263 A CN 1967263A CN 200610146030 CN200610146030 CN 200610146030 CN 200610146030 A CN200610146030 A CN 200610146030A CN 1967263 A CN1967263 A CN 1967263A
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Abstract
A wireless vehicle specific oscilloscope, it aims at the existing vehicle specific oscilloscopes limitation, such as the usage work mode being not convenient enough and flexible, so it changes the structure of the traditional oscilloscope, to achieve the separation of the data acquisition and processing functions device and the oscillographic display device, that is, separating the oscillographic host machine and the data acquisition box, and the said oscillographic host machine and the data acquisition box respectively have wireless communication module with mutual matching, and through wireless communication modules, the both achieve data exchange and transmission, and after the data acquisition box connecting with the vehicle test point, the measured signals are transmitted to the oscillographic host machine after processed through wireless transmission mode, so the work range of the oscillographic host machine is no longer limited by the test line length and the connecting mode for expansion, and the operator can choose a more convenient and comfortable work place for fault testing and analysis, so that the work mode of the operator is more convenient and flexible.
Description
Affiliated technical field
The present invention relates to a kind of oscillograph that when servicing a car, provides waveform to show, particularly a kind of auto repair oscillograph especial of wireless type.
Background technology
Oscillographic technique is applied to automobile maintenance industry, can improve the speed and the accuracy of automobile failure diagnosis greatly, oscillograph especial for automobile can provide the diagnosis of superior performance to the various digital and analog signalings of automobile, ability with moment seizure waveform, real-time engine ignition wave form analysis and powerful analysis and test function, when some fault takes place vehicle, especially when motor car engine runs up, because oscillograph especial for automobile sample frequency height, each material particular of signal all is revealed, can discern the fault-signal that other routine diagnosis equipment can not be discerned like this, assist the auto repair personnel accurately to finish the motor vehicle repair task.Oscillograph especial for automobile is widely used in the auto repair field, existing oscillograph especial for automobile generally passes through test clip or puncture joining seam etc. in automotive test point pickoff signals when detecting automobile, be connected with oscillograph especial for automobile to introduce signal by the oscillograph p-wire again, oscillographic perform region is subjected to the restriction of p-wire connected mode and length, generally can only be about tested vehicle, condition of work is abominable relatively, underaction and convenient during use, therefore have and to invent the wireless oscillograph especial for automobile that a kind of oscillography host computer system is separated with data acquisition system (DAS), after its data acquisition system (DAS) and automotive test point are plugged into, do not need to be connected between its oscillography host computer system and the data acquisition system (DAS) by p-wire, but realize exchanges data and transmission by communication, thereby the perform region of oscillography host computer system is expanded, the operator can select more convenient comfortable work place to carry out fault analysis, makes working method more convenient, flexibly.
Summary of the invention
The objective of the invention is convenient inadequately, the defective flexibly of the working method that in use exists at existing oscillograph especial for automobile, a kind of wireless oscillograph especial for automobile is provided, change the structure of traditional oscillograph, to realize that data acquisition and the device of processing capacity and the device of realization oscillography Presentation Function separate, be that data acquisition system (DAS) is separated with the oscillography host computer system, data acquisition system (DAS) and oscillography host computer system comprise wireless communication module and pairing mutually separately, and data acquisition system (DAS) and oscillography host computer system realize the exchange and the transmission of data by wireless communication module.After data acquisition system (DAS) and automotive test point are plugged into, measured signal sends the oscillography host computer system to by wireless communication mode after treatment, the perform region of oscillography host computer system is like this expanded, the operator can select more convenient, comfortable work place to carry out fault test and analysis, makes operator's working method more convenient, flexible.
For realizing purpose of the present invention, a kind of wireless oscillograph especial for automobile provided by the invention, comprise an oscillography main frame and a data acquisition box, the oscillography main frame separates with data acquisition box, oscillography main frame and data acquisition box have all designed wireless communication module, wireless communication module by separately between oscillography main frame and the data acquisition box carries out radio communication and realizes exchanges data and transmission, and data acquisition box is by the pickoff signals of plugging into of the test point on automobile oscillograph test cable and the automobile.After picked test signal is handled through data acquisition box, wireless communication module through data acquisition box inside sends to the oscillography main frame again, the oscillography main frame with the data acquisition box collection and the test data after handling show in the waveform mode, for the user test analysis, the user can with the work place of selecting the oscillography main frame in data acquisition box is realized scope that normal wireless communicates by letter arbitrarily.
Described oscillography main frame comprises CPU, power module, memory module, wireless communication module, load module and display module; Described power module is connected with described CPU, memory module, wireless communication module, load module and display module respectively; Described CPU is connected with described memory module, wireless communication module, load module and display module respectively; Described oscillography main frame adopts the operating platform of WINDOWS embedded X P operating system; Described memory module is used for the storage oscilloscope program; Described power module comprises a built-in rechargeable battery and a power control circuit, power control circuit carries out the charge and discharge management to rechargeable battery, and can select rechargeable battery or external power source to provide working power for described CPU, memory module, wireless communication module, load module and display module by power control circuit; Described display module can comprise color LCD display screen and peculiar interface circuit, is used to show various man-machine interfaces; Described load module can adopt the touch-screen that is complementary with described color LCD display screen, is used for the input of various operational orders; Wireless communication module can adopt bluetooth module.
Described data acquisition box comprises signal input circuit, signal conditioning circuit, A/D change-over circuit, FPGA interface circuit, DSP module, PC104 bus interface circuit, host CPU, wireless communication module and power module; Described power module inserts power supply from outside automobile storage battery and is connected with wireless communication module so that power supply to be provided with described signal input circuit, signal conditioning circuit, A/D change-over circuit, FPGA interface circuit, DSP module, PC104 bus interface circuit, host CPU after transformation; Described host CPU is connected with described wireless communication module, is connected with described DSP module by described PC104 bus interface and FPGA interface circuit in addition; Described DSP module is connected to its transfer control instruction by FPGA interface circuit and signal input circuit; Described A/D change-over circuit is connected the test signal that transmits through acquisition process with described DSP module by described FPGA interface circuit; Described signal input circuit is connected with automotive test point by test cable.
The present invention independently also separates oscillography main frame and data acquisition box separately by changing the structure of traditional oscillograph, and the wireless communication module of oscillography main frame and data acquisition box matches mutually, can carry out exchange and transmission that radio communication realizes data each other.The user is sent to data acquisition box by oscillography main frame load module input test instruction by radio communication, data acquisition box identification test instruction is controlled its signal input circuit the signal of automotive test point is selected, and treated test signal is sent to the oscillography main frame by radio communication, the oscillography main frame is finished waveform and is shown, thereby oscillography main frame of the present invention can guarantee with scope that the data acquisition box normal wireless is communicated by letter in mobile arbitrarily, and the not restriction of tested person cable length and connected mode, the user can select the work place of oscillography main frame flexibly like this.
Oscillography main frame of the present invention also possesses the PDA all functions except that the function that possesses notebook computer commonly used fully.The user can carry out remote upgrade by Internet whenever and wherever possible, obtains up-to-date test data and software, realizes resource sharing, and simple to operate flexibly, convenient rapidly.
Purpose of the present invention, feature and advantage will be described further with reference to accompanying drawing in conjunction with example.
Description of drawings
Fig. 1 is the hardware block diagram of the embodiment of the invention;
Fig. 2 is the process chart of the embodiment of the invention.
Embodiment
As shown in Figure 1, wireless oscillograph especial for automobile of the present invention comprises an oscillography main frame 1 and a data acquisition box 3, does not have any wired connection between oscillography main frame 1 and the data acquisition box 3.
Oscillography main frame 1 comprises CPU 11, power module 12, wireless communication module 13, load module 14, display module 15 and memory module 16; Power module 12 is connected with CPU 11, wireless communication module 13, load module 14, display module 15 and memory module 16 respectively; CPU 11 is connected with wireless communication module 13, load module 14, display module 15 and memory module 16 respectively; Stored the oscillograph program in the memory module 16, be connected with CPU 11 by ide interface; Power module 12 comprises a built-in rechargeable battery and a power control circuit, power control circuit carries out the charge and discharge management to rechargeable battery, and can select rechargeable battery or external power source to provide working power for CPU 11, wireless communication module 13, load module 14 and display module 15 by power control circuit; Display module 15 comprises color LCD display screen and peculiar interface circuit, peculiar interface circuit one end is connected with host CPU 11, the other end is connected with the color LCD display screen and drives the color LCD display screen realizes colored the demonstration, is used to show information such as measured signal waveform; Load module 14 is a touch-screen that is complementary with described color LCD display screen, is used for the input of each operational order; Wireless communication module 13 is that a bluetooth module is connected with CPU 11 by USB interface.
Data acquisition box 3 comprises signal input circuit 31, signal conditioning circuit 32, A/D change-over circuit 33, FPGA interface circuit 34, PC104 bus interface circuit 35, host CPU 36, wireless communication module 37, DSP module 38 and power module 39; Power module 39 is connected with automobile storage battery 30, and becomes the needed voltage source of each module to be respectively signal input circuit 31, signal conditioning circuit 32, A/D change-over circuit 33, FPGA interface circuit 34, PC104 bus interface 35, host CPU 36 and wireless communication module 37 the 12V power source conversion that automobile storage battery 30 provides and DSP module 38 provides working power; Host CPU 36 is connected with wireless communication module 37, is connected with DSP module 38 by PC104 bus interface 35 and FPGA interface circuit 34 in addition; DSP module 38 is connected to its transfer control instruction by FPGA interface circuit 34 and signal input circuit 31; A/D change-over circuit 33 is connected with DSP module 38 by FPGA interface circuit 34; Signal input circuit 31 is connected with automotive test point 40 by test cable.
The wireless communication module 13 of oscillography main frame 1 is the bluetooth module that matches mutually with the wireless communication module 37 of data acquisition box 3, carry out radio communication based on Bluetooth protocol, realize the exchange and the transmission of data, the operating distance between oscillography main frame 1 and the data acquisition box 3 should be in the Bluetooth technology communication distance.
Oscillography main frame of the present invention can have radio communication function and computer generation that can move the oscillograph program replaces with one.
See also the process chart of Fig. 2 embodiment of the invention, the oscillograph program that is stored in oscillography main frame 1 is an independently executable file, is used for the running parameter of setting data collecting cassette 3 and shows test waveform etc. in test process.
The present invention detects by the automatically controlled signal of the test point 40 on 3 pairs of automobiles of data acquisition box, the user is by the touch-screen input instruction of oscillography host side, after steering order is sent to CPU 11 by load module 14 input of oscillography main frame 1, be sent to the wireless communication module 13 of oscillography main frame 1 again by CPU 11, control signal that the wireless communication module 37 reception oscillography main frames 1 of data acquisition box 3 are sent and the host CPU 36 that is sent to data acquisition box 3, and be sent to DSP module 38 by PC104 bus interface circuit 35 and FPGA interface circuit 34, by being sent to signal input circuit 31 by FPGA interface circuit 34 after the 38 identification test instructions of DSP module, signal input circuit 31 is selected the signal that picks up at the automotive test point according to the control signal of receiving again.
The signal that the automotive test point picks up sends signal conditioning circuit 32 to and does the input requirement that further processing makes it to satisfy A/D change-over circuit 33 after signal input circuit 31 is selected, A/D change-over circuit 33 becomes digital signal to be sent to DSP module 38 through FPGA interface circuit 34 again the analog signal conversion of input, after 38 pairs of digital signals of DSP module are handled, be sent to host CPU 36 by FPGA interface circuit 34 and PC104 bus interface circuit 35, host CPU 36 is sent to data wireless communication module 37 again, carry out wireless transmission by wireless communication module 37, after the wireless communication module 13 of oscillography main frame 1 received, the oscillograph program of oscillography host side was reduced into waveform with the data that receive with the form of graphical interfaces again and shows.
By the present invention, the user can realize the wireless oscillography to automotive test point test signal, makes the use-pattern of oscillograph especial for automobile more convenient, more flexible.
Claims (7)
1. wireless oscillograph especial for automobile, it is characterized in that, change the structure of traditional oscillograph, to realize that data acquisition and the device of processing capacity and the device of realization oscillography Presentation Function separate, be that data acquisition system (DAS) is separated with the oscillography host computer system, data acquisition system (DAS) and oscillography host computer system comprise wireless communication module and pairing mutually separately, and data acquisition system (DAS) and oscillography host computer system realize the exchange and the transmission of data by wireless communication module.
2. wireless oscillograph especial for automobile is characterized in that it comprises:
One oscillography main frame, it comprises CPU, power module, memory module, wireless communication module, load module and display module; Described power module is connected with described CPU, memory module, wireless communication module, load module and display module respectively; Described CPU is connected with described memory module, wireless communication module, load module, display module respectively;
One data acquisition box, it comprises signal input circuit, signal conditioning circuit, A/D change-over circuit, FPGA interface circuit, DSP module, PC104 bus interface circuit, host CPU, wireless communication module and power module; Described power module inserts power supply from outside automobile storage battery and is connected with wireless communication module so that power supply to be provided with described signal input circuit, signal conditioning circuit, A/D change-over circuit, FPGA interface circuit, DSP module, PC104 bus interface circuit, host CPU after transformation; Described host CPU is connected with described wireless communication module, is connected with described DSP module by described PC104 bus interface and FPGA interface circuit in addition; Described DSP module is connected to its transfer control instruction by FPGA interface circuit and signal input circuit; Described A/D change-over circuit is connected with described DSP module by described FPGA interface circuit; Described signal input circuit is connected with automotive test point by test cable.
3. wireless oscillograph especial for automobile according to claim 2 is characterized in that, the wireless communication module of described oscillography main frame and data acquisition box is for the mutual bluetooth module that matches and adopt Bluetooth protocol to communicate by letter.
4. wireless oscillograph especial for automobile according to claim 2 is characterized in that, what described oscillography main frame adopted is WINDOWS embedded X P operating system platform.
5. wireless oscillograph especial for automobile according to claim 2 is characterized in that, what the display module of described oscillography main frame adopted is the color LCD display screen.
6. wireless oscillograph especial for automobile according to claim 2, it is characterized in that, the power module of described oscillography main frame comprises a built-in rechargeable battery and a power control circuit, power control circuit carries out the charge and discharge management to rechargeable battery, and can select rechargeable battery or external power source to provide working power for CPU, memory module, wireless communication module, load module, display module by power control circuit.
7. wireless oscillograph especial for automobile according to claim 2 is characterized in that, the oscillography main frame can replace with a computer generation that has radio communication function and can move the oscillograph program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610146030 CN1967263A (en) | 2006-07-27 | 2006-11-01 | Wireless oscillograph especial for automobile |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610107933.6 | 2006-07-27 | ||
| CN200610107933 | 2006-07-27 | ||
| CN 200610146030 CN1967263A (en) | 2006-07-27 | 2006-11-01 | Wireless oscillograph especial for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1967263A true CN1967263A (en) | 2007-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610146030 Pending CN1967263A (en) | 2006-07-27 | 2006-11-01 | Wireless oscillograph especial for automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN1967263A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048507A (en) * | 2012-11-27 | 2013-04-17 | 电子科技大学 | Short-distance operable digital oscilloscope |
| CN103516630A (en) * | 2012-06-28 | 2014-01-15 | 成都鼎桥通信技术有限公司 | Normalization data processing board and integrated equipment inside BBU machine frame |
| CN106896316A (en) * | 2017-05-09 | 2017-06-27 | 南京千步智能科技有限公司 | A kind of charging pile tester with oscillograph function |
-
2006
- 2006-11-01 CN CN 200610146030 patent/CN1967263A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516630A (en) * | 2012-06-28 | 2014-01-15 | 成都鼎桥通信技术有限公司 | Normalization data processing board and integrated equipment inside BBU machine frame |
| CN103048507A (en) * | 2012-11-27 | 2013-04-17 | 电子科技大学 | Short-distance operable digital oscilloscope |
| CN106896316A (en) * | 2017-05-09 | 2017-06-27 | 南京千步智能科技有限公司 | A kind of charging pile tester with oscillograph function |
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