CN203705058U - Temperature signal acquisition device - Google Patents
Temperature signal acquisition device Download PDFInfo
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- CN203705058U CN203705058U CN201420060611.0U CN201420060611U CN203705058U CN 203705058 U CN203705058 U CN 203705058U CN 201420060611 U CN201420060611 U CN 201420060611U CN 203705058 U CN203705058 U CN 203705058U
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- 238000006243 chemical reaction Methods 0.000 claims description 33
- 238000002955 isolation Methods 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 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
- 238000001514 detection 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
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Abstract
The utility model discloses a temperature signal acquisition device comprising a temperature acquisition module, a signal adjustment module, a main controller and a power supply module. The temperature acquisition module acquires a temperature signal and outputs a temperature acquisition signal. The signal adjustment module receives the temperature acquisition signal output by the temperature acquisition module and converts the signal into a digital signal. The main controller receives the digital signal output by the signal adjustment module and performs data processing on the signal to obtain a corresponding temperature value. The power supply module provides power required for normal work of the whole device. The temperature signal acquisition device further comprises a USB interface and a CAN interface which are connected with the main controller. The temperature signal acquisition device is in data connection with external equipment through the USB interface. The temperature signal acquisition device is connected with a CAN bus through the CAN interface. The temperature signal acquisition device of the utility model can be conveniently extended and enables data to be conveniently uploaded to a computer or server.
Description
Technical field
The utility model relates to temperature signal detection field, relates in particular to a kind of temperature signal collection device.
Background technology
Current vehicle-mounted and laboratory testing system obtains temperature signal by temperature signal collection device conventionally.But traditional temperature signal collection 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 temperature signal collection device, is intended to realize the expansion that had both facilitated temperature signal collection device, also facilitates uploading data to computing machine or server.
To achieve these goals, the utility model provides a kind of temperature signal collection device, this temperature signal collection device comprises for temperature signal being gathered to the also temperature collect module of output temperature collection signal, the signal adjusting module that is used for receiving the temperature acquisition signal of described temperature collect module output and this temperature acquisition 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 temperature value according to this digital signal, and be the power module of described temperature signal collection device power supply, wherein, the output terminal of described temperature collect 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 temperature signal collection 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, temperature signal collection device also comprises the isolation module for the isolated from power of the power supply of described temperature collect 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 temperature collect 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 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 temperature collect 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 temperature collect 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 temperature acquisition signal of described temperature signal collection unit 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 temperature collect module, and the output terminal of described analog-to-digital conversion module is connected with described master controller.
Preferably, temperature signal collection device also comprises the filter unit for the temperature acquisition signal of described temperature collect 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 temperature collect module, and the output terminal of described filter unit is connected with the input end of described AD conversion unit.
Preferably, described temperature collect module comprises positive output end and negative output terminal, described AD conversion unit comprises positive input terminal and negative input end, described filter unit comprises the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first resistance, the second resistance, the 3rd resistance and the 4th resistance, one end of described the first resistance is connected with the positive output end of institute's temperature collect module, and the other end is connected through the 4th capacity earth and with the positive input terminal of described AD conversion unit; One end of the second resistance is connected with the negative output terminal of described temperature collect module, the other end is connected through the 5th capacity earth and with the negative input end of described AD conversion unit, and the negative input end of described AD conversion unit is through the 3rd resistance eutral grounding, described the 6th one end of electric capacity and the positive input terminal of described AD conversion unit are connected, and the other end is connected with the negative input end of described AD conversion unit.
The temperature signal collection device that the utility model provides, this device has been integrated USB interface and CAN interface.On the one hand, the temperature data that temperature signal collection device collects can be uploaded in external unit and go easily by USB interface.On the other hand, temperature signal collection 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 temperature signal collection device that the utility model provides can either be realized data and conveniently be uploaded to computing machine, also convenient and device extension cheaply be can realize, device extension complex procedures in prior art, cost is high and uploading data is inconvenient shortcoming overcome.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the utility model temperature signal collection device one embodiment;
Fig. 2 is the modular structure schematic diagram of another embodiment of the utility model temperature signal collection device;
Fig. 3 is the structural representation of the another embodiment of the utility model temperature signal collection device;
Fig. 4 is the utility model temperature signal collection device structural representation of an embodiment again;
Fig. 5 is the electrical block diagram of 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 temperature signal collection device.
Reference 1 and 2, Fig. 1 are the modular structure schematic diagram of the utility model temperature signal collection device one embodiment; Fig. 2 is the modular structure schematic diagram of another embodiment of the utility model temperature signal collection device.A kind of temperature signal collection device that the present embodiment provides, this temperature signal collection device comprises temperature collect module 1, signal adjusting module 2, master controller 3 and power module 4.Wherein, the output terminal of temperature collect 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.
Temperature collect module 1 gathers and output temperature collection signal temperature signal.Signal adjusting module 2 receives the temperature acquisition signal that temperature collect module 1 exports and this temperature acquisition signal is converted to digital signal.Also this digital signal is carried out to data processing obtains corresponding temperature 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 temperature signal collection device.Temperature signal collection 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.Temperature signal collection device is realized data by USB interface and external unit and is connected, so by the temperature data uploading collecting to external unit (computing machine or server etc.).Temperature signal collection device is also connected with CAN bus by CAN interface.
In the present embodiment, temperature collect module 1 can be the thermopair of K type, T-shaped or J type, and thermopair is placed in and need to carries out temperature detection place, temperature signal is gathered, and output temperature collection signal.Signal adjusting module 2 receives the temperature acquisition signal that temperature collect module 1 is exported, and further this temperature acquisition signal is carried out to analog-to-digital processing, temperature acquisition signal is converted to digital signal that master controller 3 can recognize and in its output terminal output.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 temperature acquisition 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 temperature value.USB interface is connected with master controller 3, is connected with external unit (PC, server etc.) by USB interface, and temperature signal collection device can be uploaded to the temperature data collecting in external unit and go quickly and easily.Be connected with CAN bus by CAN interface, in the time of needs extended temperature signal pickup assembly, only need temperature signal collection 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 temperature signal collection device that the utility model provides, this device has been integrated USB interface and CAN interface.On the one hand, the temperature data that temperature signal collection device collects can be uploaded in external unit and go easily by USB interface.On the other hand, temperature signal collection 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 remote temperature signal.The temperature signal collection device that the utility model provides can either be realized data and conveniently be uploaded to computing machine, also convenient and device extension cheaply be can realize, device extension complex procedures in prior art, cost is high and uploading data is inconvenient shortcoming overcome.
In conjunction with reference to Fig. 3, Fig. 3 is the structural representation of the another embodiment of the utility model temperature signal collection device.Further, in the present embodiment, based on above-described embodiment, temperature signal device 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, and this input end is all connected with signal adjusting module 2 and master controller 3, and output terminal is connected with temperature collect module 1.This isolation module 5 comes power supply required temperature collect 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 temperature acquisition module 1, has further guaranteed the degree of accuracy that temperature collect 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 temperature collect 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 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 temperature collect 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 temperature collect module 1 are altogether.Isolation module 5 is separated power supply required temperature collect module 1 and the required power supply of other circuit effectively, thereby has avoided temperature collect module 1 to be subject to the interference of other circuit, has further guaranteed the degree of accuracy that temperature collect module 1 is measured.Should be noted that, the input end of isolation module 5 can be connected with temperature collect 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 temperature collect module 1 and other circuit is kept apart.
In conjunction with reference to Figure 4 and 5, Fig. 4 is the utility model temperature signal collection device structural representation of an embodiment again; Fig. 5 is the electrical block diagram of Fig. 4.Further, in the present embodiment, based on above-described embodiment, temperature signal collection device also comprises filter unit 22.The input end of filter unit 22 is connected with the output terminal of temperature collect module 1, and the output terminal of filter unit 22 is connected with the input end of AD conversion unit 21.The temperature acquisition signal that this filter unit 22 is exported temperature collect module 1 carries out filtering processing and impedance matching.Filter unit 22 receives the temperature acquisition signal that temperature collect module 1 is exported, and this temperature acquisition 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 temperature obtaining.
Particularly, temperature collect module 1 comprises positive output end and negative output terminal, AD conversion unit 21 comprises positive input terminal and negative input end, filter unit 22 comprises the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the 4th resistance R 4, one end of the first resistance R 1 is connected with the positive output end of temperature collect module 1, and the other end is through the 4th capacitor C 4 ground connection and be connected with the positive input terminal of AD conversion unit 21; One end of the second resistance R 2 is connected with the negative output terminal of temperature collect module 1, the other end is through the 5th capacitor C 5 ground connection and be connected with the negative input end of AD conversion unit 21, and the negative input end of AD conversion unit 21 is through the 3rd resistance R 3 ground connection, one end of the 6th capacitor C 6 is connected with the positive input terminal of AD conversion unit 21, and the other end is connected with the negative input end of AD conversion unit 21.The temperature acquisition signal that filter unit 22 is exported temperature collect module 1 carries out filtering and impedance matching, thereby makes whole device work more stable, detects the temperature obtaining 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 temperature signal collection device, comprise for temperature signal being gathered to the also temperature collect module of output temperature collection signal, the signal adjusting module that is used for receiving the temperature acquisition signal of described temperature collect module output and this temperature acquisition 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 temperature value according to this digital signal, and be the power module of described temperature signal collection device power supply, wherein, the output terminal of described temperature collect 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 temperature signal collection 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.
2. temperature signal collection 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 temperature collect 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 temperature collect module.
3. temperature signal collection 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 temperature collect 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 temperature collect module are altogether for described the first earth terminal and described master controller and/or signal adjusting module.
4. temperature signal collection device as claimed in claim 1, it is characterized in that, described signal adjusting module comprises the AD conversion unit that the temperature acquisition signal of described temperature signal collection unit 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 temperature collect module, and the output terminal of described analog-to-digital conversion module is connected with described master controller.
5. temperature signal collection device as claimed in claim 4, it is characterized in that, also comprise the filter unit for the temperature acquisition signal of described temperature collect 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 temperature collect module, and the output terminal of described filter unit is connected with the input end of described AD conversion unit.
6. temperature signal collection device as claimed in claim 5, it is characterized in that, described temperature collect module comprises positive output end and negative output terminal, described AD conversion unit comprises positive input terminal and negative input end, described filter unit comprises the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first resistance, the second resistance, the 3rd resistance and the 4th resistance, one end of described the first resistance is connected with the positive output end of institute's temperature collect module, and the other end is connected through the 4th capacity earth and with the positive input terminal of described AD conversion unit; One end of the second resistance is connected with the negative output terminal of described temperature collect module, the other end is connected through the 5th capacity earth and with the negative input end of described AD conversion unit, and the negative input end of described AD conversion unit is through the 3rd resistance eutral grounding, described the 6th one end of electric capacity and the positive input terminal of described AD conversion unit are connected, and the other end is connected with the negative input end of described AD conversion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060611.0U CN203705058U (en) | 2014-02-10 | 2014-02-10 | Temperature signal acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060611.0U CN203705058U (en) | 2014-02-10 | 2014-02-10 | Temperature signal acquisition device |
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| CN203705058U true CN203705058U (en) | 2014-07-09 |
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| CN201420060611.0U Expired - Lifetime CN203705058U (en) | 2014-02-10 | 2014-02-10 | Temperature signal acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124081A (en) * | 2016-08-22 | 2016-11-16 | 哈尔滨工业大学 | Permagnetic synchronous motor accurate multiple spot real time temperature measurement method and system |
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2014
- 2014-02-10 CN CN201420060611.0U patent/CN203705058U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124081A (en) * | 2016-08-22 | 2016-11-16 | 哈尔滨工业大学 | Permagnetic synchronous motor accurate multiple spot real time temperature measurement method and system |
| CN106124081B (en) * | 2016-08-22 | 2019-03-29 | 哈尔滨工业大学 | The accurate multiple spot real time temperature measurement method and system of permanent magnet synchronous motor |
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Granted publication date: 20140709 |