CN203812008U - Analog signal collector - Google Patents
Analog signal collector Download PDFInfo
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- CN203812008U CN203812008U CN201420060636.0U CN201420060636U CN203812008U CN 203812008 U CN203812008 U CN 203812008U CN 201420060636 U CN201420060636 U CN 201420060636U CN 203812008 U CN203812008 U CN 203812008U
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- 238000002955 isolation Methods 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 4
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Abstract
The utility model discloses an analog signal collector. The collector comprises an analog signal collecting module, a signal regulating module, a main controller and a power module. The analog signal collecting module collects an analog signal and outputs the analog signal. The signal regulating module receives the analog signal output by the analog signal collecting module and converts the analog signal to a digital signal. The main controller receives the digital signal output by the signal regulating module and performs data processing of the signal to obtain a corresponding value. The power module supplies the whole collector with power needed for normal working. The collector further comprises a USB interface and a CAN interface. The CAN interface and the USB interface are both connected to the main controller. The collector is in data connection with an external device via the USB interface and is connected to a CAN bus via the CAN interface. The collector facilitates both expansion of the collector and data uploads to a computer or a server.
Description
Technical field
The utility model relates to analog signal detection field, relates in particular to a kind of collection of simulant signal device.
Background technology
Current vehicle-mounted and laboratory testing system obtains simulating signal by collection of simulant signal device conventionally.But traditional collection of simulant signal device is subject to the external environment influence of various harshnesses, and then the expansion of its data transmission and module is produced to certain restriction.
Utility model content
The utility model provides a kind of collection of simulant signal device, is intended to realize the expansion that had both facilitated collection of simulant signal device, also facilitates uploading data to computing machine or server.
To achieve these goals, the utility model provides a kind of collection of simulant signal device, this collection of simulant signal device comprises the collection of simulant signal module for simulating signal being gathered and exported the simulating signal collecting, the signal adjusting module that is used for receiving the simulating signal of described collection of simulant signal module output and this simulating signal is converted to digital signal, the master controller that is used for receiving the digital signal of described signal adjusting module output and obtains corresponding numerical value according to this digital signal, and be the power module of described collection of simulant signal device power supply, wherein, the output terminal of described collection of simulant signal module is connected with the input end of described signal adjusting module, the output terminal of described signal adjusting module is connected with the input end of described master controller, described collection of simulant signal device also comprises for realizing the USB interface of exchanges data with described external unit, with the CAN interface for being connected with CAN bus, wherein, CAN interface is connected with described master controller, USB interface is connected with described master controller.
Preferably, collection of simulant signal device also comprises the isolation module for the isolated from power of the power supply of described collection of simulant signal module and described signal adjusting module and master controller is come, described isolation module comprises input end and output terminal, the input end of described isolation module is connected with described power module, and this input end is all connected with described signal adjusting module and master controller, output terminal is connected with described collection of simulant signal module.
Preferably, described isolation module comprises isolated from power controller, the first electric capacity, the second electric capacity and the 3rd electric capacity, wherein, described isolated from power controller comprises input end, output terminal, Enable Pin, feedback end, the first earth terminal and the second earth terminal, described input end is connected with external dc power and is connected with described the first earth terminal through the first electric capacity, and described input end is also all connected with described signal adjusting module and master controller; The output terminal of described isolation controller is connected with described collection of simulant signal module, and the output terminal of described isolation controller is connected with described the second earth terminal through the second electric capacity, and the feedback end of described isolation controller is connected with described the second earth terminal through the 3rd electric capacity; Altogether, described the second earth terminal and described collection of simulant signal module are altogether for described the first earth terminal and described master controller and/or signal adjusting module.
Preferably, described signal adjusting module comprises the AD conversion unit that the simulating signal of described collection of simulant signal module output is converted to digital signal and this digital signal is exported to master controller, the input end of described AD conversion unit is connected with described collection of simulant signal module, and the output terminal of described AD conversion unit is connected with described master controller.
Preferably, collection of simulant signal device also comprises the filter unit for the simulating signal of described collection of simulant signal module output is carried out to filtering processing and impedance matching, the input end of described filter unit is connected with the output terminal of described collection of simulant signal module, and the output terminal of described filter unit is connected with the input end of described AD conversion unit.
Preferably, described filter unit comprises operational amplifier, the first resistance, the 4th electric capacity and the 5th electric capacity, the positive power source terminal of described operational amplifier is connected with the first direct supply, the negative power end of described operational amplifier is connected with the second direct supply, the positive input terminal of described operational amplifier is connected with the output terminal of described collection of simulant signal module through described the first resistance, node between described operational amplifier and described the first resistance is through the 4th capacity earth, the negative input end of described operational amplifier is through the 5th capacity earth, the output terminal of described operational amplifier is connected with the input end of described AD conversion unit, and the output terminal of described operational amplifier is connected with its negative input end.
The collection of simulant signal device that the utility model provides, this device has been integrated USB interface and CAN interface.On the one hand, the numerical value that collection of simulant signal device collects can be uploaded in external unit and go easily by USB interface.On the other hand, collection of simulant signal device is connected with CAN bus by CAN interface, does not need complicated connecting line can realize expansion, thereby has reduced the cost of device expansion.The collection of simulant signal device that the utility model provides had both facilitated data upload to computing machine, also facilitate expansion equipment, and expansion is with low cost, thereby had overcome device extension complex procedures in prior art, cost is high and uploading data is inconvenient shortcoming.
Brief description of the drawings
Fig. 1 is the modular structure schematic diagram of the utility model collection of simulant signal device one embodiment;
Fig. 2 is the modular structure schematic diagram of another embodiment of the utility model collection of simulant signal device;
Fig. 3 is the structural representation of the another embodiment of the utility model collection of simulant signal device;
Fig. 4 is the utility model collection of simulant signal device structural representation of an embodiment again;
Fig. 5 is the electrical block diagram of filtration module in Fig. 4.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of collection of simulant signal device.
Be the modular structure schematic diagram of the utility model collection of simulant signal device one embodiment with reference to 1 to 2, Fig. 1; Fig. 2 is the structural representation of the another embodiment of the utility model collection of simulant signal device.A kind of collection of simulant signal device that the present embodiment provides, this collection of simulant signal device comprises collection of simulant signal module 1, signal adjusting module 2, master controller 3 and power module 4.Wherein, the output terminal of collection of simulant signal module 1 is connected with the input end of signal adjusting module 2, and the output terminal of signal adjusting module 2 is connected with the input end of master controller 3.
Collection of simulant signal module 1 gathers and outputting analog signal simulating signal.Signal adjusting module 2 receives the simulating signal that collection of simulant signal module 1 exports and this simulating signal is converted to digital signal.Also this digital signal is carried out to data processing obtains corresponding numerical value to the digital signal that master controller 3 receiving signal mould preparation pieces 2 are exported.Power module 4 provides normal work required power supply for whole collection of simulant signal device.Collection of simulant signal device also comprises USB interface and CAN interface.CAN interface is connected with master controller 3, and USB interface is connected with master controller 3.Collection of simulant signal device is realized data by USB interface and external unit and is connected, and then the analog signal data collecting is uploaded to external unit (computing machine or server etc.).Collection of simulant signal device is also connected with CAN bus by CAN interface.
In the present embodiment, collection of simulant signal module 1 can compatible 0～5V, ± 5V, and the analog signal voltage value of ± 10V, is applicable to automobile transmitter and car load test, electric system, the industries such as petroleum-based energy Data Detection.This collection of simulant signal module 1 gathers simulating signal and at its output terminal outputting analog signal.Signal adjusting module 2 receives the simulating signal that collection of simulant signal module 1 is exported, and further this simulating signal is carried out to analog-to-digital processing, simulating signal is converted to digital signal that master controller 3 can recognize and at its output terminal output digit signals.It should be noted that in the present embodiment, signal adjusting module 2 comprises AD conversion unit 21, and this AD conversion unit 21 comprises modulus conversion chip.This modulus conversion chip converts simulating signal to digital signal and exports master controller 3 to.Master controller 3 receives the digital signal of modulus conversion chip output, and carries out data processing according to the digital signal receiving, and obtains corresponding numerical value.USB interface is connected with master controller 3, is connected with external unit (PC, server etc.) by USB interface, and collection of simulant signal device can be uploaded to the data that collect in external unit and go quickly and easily.CAN interface is connected with master controller 3.Be connected with CAN bus by CAN interface, in the time of needs growth simulation signal pickup assembly, only need collection of simulant signal device to be connected with CAN bus by CAN interface, do not need too much connecting line can realize expansion.On the other hand, adopt CAN bus communication mode, can realize the collection of simulant signal that maximum distance is 1KM.Therefore,, by CAN bus communication, can realize the collection of long-range simulating signal.
The collection of simulant signal device that the utility model provides, this device has been integrated USB interface and CAN interface.On the one hand, the numerical value that collection of simulant signal device collects can be uploaded in external unit and go easily by USB interface.On the other hand, collection of simulant signal device is connected with CAN bus by CAN interface, does not need complicated connecting line can realize expansion, thereby has reduced the cost of device expansion.On the other hand, by CAN bus communication, realize the collection of long-range simulating signal.The collection of simulant signal device that the utility model provides had both facilitated data upload to external unit, also facilitate expansion equipment, and expansion is with low cost, thereby had overcome device extension complex procedures in prior art, cost is high and uploading data is inconvenient shortcoming.
In conjunction with reference to Fig. 3, Fig. 3 is the modular structure schematic diagram of another embodiment of the utility model collection of simulant signal device.Further, in the present embodiment, based on above-described embodiment, collection of simulant signal device also comprises isolation module 5.Isolation module 5 comprises input end and output terminal, and the input end of isolation module 5 is connected with power module 4, and this input end is all connected with signal adjusting module 2 and master controller 3, and output terminal is connected with collection of simulant signal module 1.This isolation module 5 comes power supply required collection of simulant signal module 1 and signal adjusting module 2 and the required isolated from power of master controller 3, thereby while having avoided signal adjusting module 2 and master controller 3 to work, interference simulation signal acquisition module 1, has further ensured the degree of accuracy that collection of simulant signal module 1 is measured.
This isolation module 5 it should be noted that isolation module 5 can arrange kinds of schemes, as long as can come isolated from power required to power supply required collection of simulant signal module 1 and signal adjusting module 2 and master controller 3 etc.In the present embodiment, isolation module 5 comprises isolated from power controller U1, the first capacitor C 1, the second capacitor C 2 and the 3rd capacitor C 3.Wherein, isolated from power controller U1 comprises input end IN, output terminal OUT, Enable Pin EN, feedback end FB, the first earth terminal GND1 and the second earth terminal GND2, input end IN is connected with power module 4 and is connected with the first earth terminal GND1 through the first capacitor C 1, and input end IN is also connected with signal adjusting module 2 and master controller 3.The output terminal OUT of isolation controller U1 is connected with collection of simulant signal module 1, and the output terminal OUT of isolation controller U1 is connected with the second earth terminal GND2 through the second capacitor C 2, and the feedback end FB of isolation controller U1 is connected with the second earth terminal GND2 through the 3rd capacitor C 3.The first earth terminal GND1 and master controller 3 and signal adjusting module 2 altogether, or with both in one altogether.The second earth terminal GND2 and collection of simulant signal module 1 are altogether.Isolation module 5 is separated power supply required collection of simulant signal module 1 and the required power supply of other modules effectively, thereby avoid collection of simulant signal module 1 to be subject to the interference of other modules, further ensured the degree of accuracy that collection of simulant signal module 1 is measured.Should be noted that, the input end of isolation module 5 can be connected with collection of simulant signal module 1, and the output terminal of isolation module 5 is connected with signal modulation module 2 or master controller 3, as long as this isolation module 5 can be realized the power supply of the power supply of collection of simulant signal module 1 and other circuit is kept apart.
In conjunction with reference to Figure 4 and 5, Fig. 4 is the electrical block diagram of the utility model collection of simulant signal device filtration module; Fig. 5 is the electrical block diagram of filtration module in Fig. 4.Further, in the present embodiment, based on above-described embodiment, collection of simulant signal device also comprises filter unit 22.The input end of filter unit 22 is connected with the output terminal of collection of simulant signal module 1, and the output terminal of filter unit 22 is connected with the input end of AD conversion unit 21.The simulating signal that this filter unit 22 is exported collection of simulant signal module 1 is carried out filtering processing and impedance matching.Filter unit 22 receives the simulating signal that collection of simulant signal module 1 is exported, and this simulating signal is carried out to filtering, the clutters such as noise are filtered, and stop coupling, thereby make whole device work more stable, and it is more accurate to make to detect the simulation obtaining.
Particularly, filter unit comprises operational amplifier A, the first resistance R 1, the 4th capacitor C 4 and the 5th capacitor C 5, the positive power source terminal V+ of operational amplifier A is connected with the first direct supply, the negative power end V-of operational amplifier A is connected with the second direct supply, the positive input terminal IN+ of operational amplifier A is connected with the output terminal of collection of simulant signal module 1 through the first resistance R 1, node between operational amplifier A and the first resistance 1 is through the 4th capacitor C 4 ground connection, the negative input end IN-of operational amplifier A is through the 5th capacitor C 5 ground connection, the output terminal of operational amplifier A is connected with the input end of AD conversion unit 21, and the output terminal O of operational amplifier A is connected with its negative input end IN-.
In the present embodiment, the first direct supply is+direct supply of 15V, the second direct supply is-and the direct supply of 15V.The simulating signal that filter unit 22 is exported collection of simulant signal module 1 is carried out filtering and impedance matching, thereby makes whole device work more stable, and the data that measure are more accurate.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a collection of simulant signal device, comprise the collection of simulant signal module for simulating signal being gathered and exported the simulating signal collecting, the signal adjusting module that is used for receiving the simulating signal of described collection of simulant signal module output and this simulating signal is converted to digital signal, the master controller that is used for receiving the digital signal of described signal adjusting module output and obtains corresponding numerical value according to this digital signal, and be the power module of described collection of simulant signal device power supply, wherein, the output terminal of described collection of simulant signal module is connected with the input end of described signal adjusting module, the output terminal of described signal adjusting module is connected with the input end of described master controller, it is characterized in that, described collection of simulant signal device also comprises for realizing the USB interface of exchanges data with external unit, with the CAN interface for being connected with CAN bus, wherein, CAN interface is connected with described master controller, USB interface is connected with described master controller.
2. collection of simulant signal device as claimed in claim 1, it is characterized in that, also comprise the isolation module for the isolated from power of the power supply of described collection of simulant signal module and described signal adjusting module and master controller is come, described isolation module comprises input end and output terminal, the input end of described isolation module is connected with described power module, and this input end is all connected with described signal adjusting module and master controller, output terminal is connected with described collection of simulant signal module.
3. collection of simulant signal device as claimed in claim 2, it is characterized in that, described isolation module comprises isolated from power controller, the first electric capacity, the second electric capacity and the 3rd electric capacity, wherein, described isolated from power controller comprises input end, output terminal, Enable Pin, feedback end, the first earth terminal and the second earth terminal, described input end is connected with described power module and is connected with described the first earth terminal through the first electric capacity, and described input end is also all connected with described signal adjusting module and master controller; The output terminal of described isolation controller is connected with described collection of simulant signal module, and the output terminal of described isolation controller is connected with described the second earth terminal through the second electric capacity, and the feedback end of described isolation controller is connected with described the second earth terminal through the 3rd electric capacity; Altogether, described the second earth terminal and described collection of simulant signal module are altogether for described the first earth terminal and described master controller and/or signal adjusting module.
4. collection of simulant signal device as claimed in claim 1, it is characterized in that, described signal adjusting module comprises the AD conversion unit that the simulating signal of described collection of simulant signal module output is converted to digital signal and this digital signal is exported to master controller, the input end of described AD conversion unit is connected with described collection of simulant signal module, and the output terminal of described AD conversion unit is connected with described master controller.
5. collection of simulant signal device as claimed in claim 4, it is characterized in that, also comprise the filter unit for the simulating signal of described collection of simulant signal module output is carried out to filtering processing and impedance matching, the input end of described filter unit is connected with the output terminal of described collection of simulant signal module, and the output terminal of described filter unit is connected with the input end of described AD conversion unit.
6. collection of simulant signal device as claimed in claim 5, it is characterized in that, described filter unit comprises operational amplifier, the first resistance, the 4th electric capacity and the 5th electric capacity, the positive power source terminal of described operational amplifier is connected with the first direct supply, the negative power end of described operational amplifier is connected with the second direct supply, the positive input terminal of described operational amplifier is connected with the output terminal of described collection of simulant signal module through described the first resistance, node between described operational amplifier and described the first resistance is through the 4th capacity earth, the negative input end of described operational amplifier is through the 5th capacity earth, the output terminal of described operational amplifier is connected with the input end of described AD conversion unit, and the output terminal of described operational amplifier is connected with its negative input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060636.0U CN203812008U (en) | 2014-02-10 | 2014-02-10 | Analog signal collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060636.0U CN203812008U (en) | 2014-02-10 | 2014-02-10 | Analog signal collector |
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| CN203812008U true CN203812008U (en) | 2014-09-03 |
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| CN201420060636.0U Expired - Lifetime CN203812008U (en) | 2014-02-10 | 2014-02-10 | Analog signal collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145116A (en) * | 2017-07-03 | 2017-09-08 | 上海能誉科技发展有限公司 | A kind of interface extending device based on single-chip microcomputer input/output interface |
| CN108021070A (en) * | 2017-12-30 | 2018-05-11 | 江苏中农物联网科技有限公司 | A kind of analog signal revolution word signal pickup assembly |
| CN113911254A (en) * | 2021-10-28 | 2022-01-11 | 南京懂玫驱动技术有限公司 | Motor and electric power-assisted bicycle driving system |
-
2014
- 2014-02-10 CN CN201420060636.0U patent/CN203812008U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145116A (en) * | 2017-07-03 | 2017-09-08 | 上海能誉科技发展有限公司 | A kind of interface extending device based on single-chip microcomputer input/output interface |
| CN108021070A (en) * | 2017-12-30 | 2018-05-11 | 江苏中农物联网科技有限公司 | A kind of analog signal revolution word signal pickup assembly |
| CN113911254A (en) * | 2021-10-28 | 2022-01-11 | 南京懂玫驱动技术有限公司 | Motor and electric power-assisted bicycle driving system |
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Granted publication date: 20140903 |