CN204694814U - A kind of multi-channel signal acquiring device - Google Patents
A kind of multi-channel signal acquiring device Download PDFInfo
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- CN204694814U CN204694814U CN201420807169.3U CN201420807169U CN204694814U CN 204694814 U CN204694814 U CN 204694814U CN 201420807169 U CN201420807169 U CN 201420807169U CN 204694814 U CN204694814 U CN 204694814U
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Abstract
The utility model discloses a kind of multi-channel signal acquiring device, comprise control chip, latch arrays and switch module, control chip is connected with described switch module by described latch arrays, to control the folding of described switch module, in the on-state, multi-channel signal acquiring device does not work, in closed state, control chip controls latch arrays according to the instruction of user interface, voltage or Wave data collection is carried out to treat scope, and gathered data feedback is transferred to user interface, control chip exports 5 independently latch chip selection signals, 8 input end parallel connections of 5 latchs, then latch amounts to 40 tunnels outputs, this 40 tunnel exports the folding controlling 40 relays respectively, controlled by this combination, guarantee can reach the signals collecting of nearly 40 passages, paid close attention to passage can be selected as required, therefore good application prospect is possessed.
Description
Technical field
The utility model relates to automotive accessory technical field, particularly relates to a kind of multi-channel signal acquiring device.
Background technology
Along with development that is economic and society, China has been automobile production and consumption big country at present, private car recoverable amount continues to surge at a high speed, corresponding is, the maintenance of automobile seems essential, in this context, the demand of Automobile Maintaining Talents is increased sharply, how fast, economical turn out qualified Automobile Maintaining Talents, become the emphasis of automobile vocational education, one of very important ability to circuit fault diagnosis during auto repair, circuit fault diagnosis requires that maintenance mans should understand circuit theory, more to there is certain fault diagnosis experience, this just requires that maintenance mans are familiar with by the circuit normal condition of maintenance vehicle and phenomenon of the failure, in automobile occupational training school, trainer need to student demonstrate automobile circuit normal condition or circuit break down after phenomenon, usual needs divide into groups student, operate demonstration by trainer to observe to each group of student, other students can only wait for, efficiency is lower, and relatively consistent result of training cannot be reached, in view of above-mentioned Problems existing and defect thereof, be necessary to design a kind of multi-channel signal acquiring device.
Utility model content
For the problems referred to above, the utility model provides a kind of multi-channel signal acquiring device, pass through multiplexed signal sampling, the simulating signal collected is converted to digital signal, be delivered on computing machine by wired or wireless communication modes, by computing machine or other smart machines, process is carried out to data and restore original signal, so that realize informationization and the networking of automobile vocational education.
The technical scheme that the utility model adopts for its technical matters of solution is:
A kind of multi-channel signal acquiring device, comprising:
Data acquisition channel, for equipment connection to be observed to transmit the data collected;
Data feedback passage, for being connected to feed back the data collected with user interface;
Rate control command passage, carries out order control for user interface to multi-channel signal acquiring device;
It is characterized in that: described multi-channel signal acquiring device also comprises control chip, latch arrays and switch module, described control chip is connected with described switch module by described latch arrays, to control the folding of described switch module, in the on-state, described multi-channel signal acquiring device does not work; In closed state, described control chip controls latch arrays according to the instruction of user interface, carries out voltage or Wave data collection, and gathered data feedback is transferred to user interface to treat scope.
As further improvement of these options, described data feedback passage and rate control command passage adopt wired or wireless mode to communicate.
Further, described data feedback passage and rate control command passage adopt USB or WIFI mode to communicate.
Further, described control chip is STM32F10X.
Further, described latch arrays is made up of 5 latchs, and each described latch has 8 input ends, and the input end of described 5 latchs is in parallel, and 40 output terminals of described 5 latchs connect 40 switch modules respectively.
In addition, described switch module is relay or metal-oxide-semiconductor.
The beneficial effects of the utility model are: the utility model is as a kind of multi-channel signal acquiring device, comprise control chip, latch arrays and switch module, described control chip is connected with described switch module by described latch arrays, to control the folding of described switch module, in the on-state, described multi-channel signal acquiring device does not work; In closed state, described control chip controls latch arrays according to the instruction of user interface, carries out voltage or Wave data collection, and gathered data feedback is transferred to user interface to treat scope; First, control chip exports 5 independently latch chip selection signals, 8 input end parallel connections of 5 latchs, then latch amounts to 40 tunnels outputs, this 40 tunnel exports the folding controlling 40 relays respectively, controlled by this combination, ensure the signals collecting that can reach nearly 40 passages, paid close attention to passage can be selected as required; Secondly, owing to can gather voltage and waveform signal simultaneously, paid close attention to signal type can be selected as required; Finally, the utility model supports wireless WIFI or wired USB communication modes, and issue acquisition channel number and signal type by wireless or wired mode, harvester sends it back voltage and the wave signal data of respective channel, achieve multichannel collecting object, therefore possess good application prospect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the utility model theory diagram;
Fig. 2 is the utility model multi-channel signal acquiring device inner structure principle schematic.
Embodiment
With reference to Fig. 1-Fig. 2, a kind of multi-channel signal acquiring device, comprises data acquisition channel, for equipment connection to be observed to transmit the data collected; Data feedback passage, for being connected to feed back the data collected with user interface; Rate control command passage, carries out order control for user interface to multi-channel signal acquiring device; Described multi-channel signal acquiring device also comprises control chip 1, latch arrays 2 and switch module 3, described control chip 1 is connected with described switch module 3 by described latch arrays 2, to control the folding of described switch module 3, in the on-state, described multi-channel signal acquiring device does not work; In closed state, described control chip 1 controls latch arrays 2 according to the instruction of user interface, carries out voltage or Wave data collection, and gathered data feedback is transferred to user interface to treat scope.
Multi-channel signal acquiring device described in the utility model completes a multichannel automobile circuit signal digital, signal after digitizing can pass to computing machine or other smart machines by wired or wireless mode, by computing machine or other smart machines, data are processed, restore original signal, computer screen or projector demonstrate signal to be seen, observe discussion for student simultaneously, greatly facilitate trainer and student, improve training efficiency.
Data feedback passage and rate control command passage adopt wired or wireless mode to communicate, and such as, data feedback passage and rate control command passage adopt USB or WIFI mode to communicate.
Latch arrays 2 is made up of 5 latchs 21, and each described latch 21 has 8 input ends, and the input end of described 5 latchs 21 is in parallel, and 40 output terminals of described 5 latchs 21 connect 40 switch modules 3 respectively.Switch module 3 is relay or metal-oxide-semiconductor.
Control chip 1 is STM32F10X, equipment to be observed is connected on signal pickup assembly by the interface that signal pickup assembly provides, user is handed down to signal pickup assembly the channel number of pre-acquired and signal type by USB or wireless WIFI communication mode by user interface, the control chip 1-STM32F10X resolve command of signal pickup assembly, makes latch 21 chip selection signal of respective channel control signal that is effective and respective channel effective; Channel control signals controls corresponding switch module 3, and such as, relay is opened, and the collected signal be connected on this relay allows to gather.Control chip 1 carries out voltage or Wave data collection according to order request to collected signal, and the data gathered send it back user interface by USB or wireless WIFI communication mode.
Control chip 1 exports 5 independently latch chip selection signals, 8 input end parallel connections of 5 latchs 21, then latch 21 amounts to 40 tunnels outputs, and this 40 tunnel exports the folding controlling 40 relays respectively, controlled by this combination, ensure the signals collecting that can reach nearly 40 passages.40 road signals to be collected, after Control, access the input end of a road A/D in the output terminal parallel connection of relay.Because each relay is controlled separately, so can not mutually disturb after 40 relay output-parallels.At synchronization, only have the output of a relay effective, allow access A/D, A/D to complete and simulating signal is converted to digital signal.This digital signal sends it back user interface by USB or wireless WIFI communication mode.
By above technological means, the utility model can support the signals collecting of nearly 40 passages, can select paid close attention to passage as required; Voltage and waveform signal can be gathered simultaneously, paid close attention to signal type can be selected as required; Support wireless WIFI or wired USB communication modes, issue acquisition channel number and signal type by wireless or wired mode, harvester sends it back voltage and the wave signal data of respective channel.
Above better enforcement of the present utility model is illustrated; certainly; the utility model can also adopt form different from the embodiment described above; and close field; these do not form any restriction to present embodiment; the equivalent conversion that those of ordinary skill in the art do under the prerequisite without prejudice to the utility model spirit or change accordingly, all should belong in protection domain of the present utility model.
Claims (6)
1. a multi-channel signal acquiring device, comprising:
Data acquisition channel, for equipment connection to be observed to transmit the data collected;
Data feedback passage, for being connected to feed back the data collected with user interface;
Rate control command passage, carries out order control for user interface to multi-channel signal acquiring device;
It is characterized in that: described multi-channel signal acquiring device also comprises control chip (1), latch arrays (2) and switch module (3), described control chip (1) is connected with described switch module (3) by described latch arrays (2), to control the folding of described switch module (3), in the on-state, described multi-channel signal acquiring device does not work; In closed state, described control chip (1) controls latch arrays (2) according to the instruction of user interface, carries out voltage or Wave data collection, and gathered data feedback is transferred to user interface to treat scope.
2. a kind of multi-channel signal acquiring device according to claim 1, is characterized in that: described data feedback passage and rate control command passage adopt wired or wireless mode to communicate.
3. a kind of multi-channel signal acquiring device according to claim 2, is characterized in that: described data feedback passage and rate control command passage adopt USB or WIFI mode to communicate.
4. a kind of multi-channel signal acquiring device according to claim 1 or 2 or 3, is characterized in that: described control chip (1) is STM32F10X.
5. a kind of multi-channel signal acquiring device according to claim 1 or 2 or 3, it is characterized in that: described latch arrays (2) is made up of 5 latchs (21), each described latch (21) has 8 input ends, the input end of described 5 latchs (21) is in parallel, and 40 output terminals of described 5 latchs (21) connect 40 switch modules (3) respectively.
6. a kind of multi-channel signal acquiring device according to claim 5, is characterized in that: described switch module (3) is relay or metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807169.3U CN204694814U (en) | 2015-03-23 | 2015-03-23 | A kind of multi-channel signal acquiring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420807169.3U CN204694814U (en) | 2015-03-23 | 2015-03-23 | A kind of multi-channel signal acquiring device |
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| CN204694814U true CN204694814U (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107763A (en) * | 2017-12-28 | 2018-06-01 | 唐山众智科技开发有限公司 | A kind of multifunctional signal acquisition module |
| CN109189703A (en) * | 2018-07-27 | 2019-01-11 | 厦门亿联网络技术股份有限公司 | A kind of conversion method of data format |
-
2015
- 2015-03-23 CN CN201420807169.3U patent/CN204694814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107763A (en) * | 2017-12-28 | 2018-06-01 | 唐山众智科技开发有限公司 | A kind of multifunctional signal acquisition module |
| CN109189703A (en) * | 2018-07-27 | 2019-01-11 | 厦门亿联网络技术股份有限公司 | A kind of conversion method of data format |
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