CN210534988U - Eight-channel environment signal collector - Google Patents
Eight-channel environment signal collector Download PDFInfo
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- CN210534988U CN210534988U CN201921688877.9U CN201921688877U CN210534988U CN 210534988 U CN210534988 U CN 210534988U CN 201921688877 U CN201921688877 U CN 201921688877U CN 210534988 U CN210534988 U CN 210534988U
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Abstract
The application discloses eight passageway environmental signal collectors relates to electronic information technical field, includes: the device comprises a processing circuit, a data acquisition unit and a power circuit; the data acquisition unit comprises an analog-digital conversion circuit and an eight-channel data acquisition port, and the analog-digital conversion circuit is connected with the eight-channel data acquisition port; the processing circuit comprises a main control chip, a transmission unit and a storage unit, wherein the main control chip is respectively connected with the transmission unit and the storage unit; the main control chip is also connected with the analog-to-digital conversion circuit; the power supply circuit comprises a power supply module and a voltage stabilizer, wherein the power supply module is respectively connected with the analog-to-digital conversion circuit and the voltage stabilizer; the voltage stabilizer is also interconnected with the main control chip. This application is through processing circuit control data acquisition unit collection environmental signal, utilizes analog-to-digital conversion circuit to save the memory cell after the analog environment signal conversion of gathering, can gather in real time a large amount of operational environment signals to the realization is to the permanent save of the environmental signal who gathers.
Description
Technical Field
The application relates to the technical field of electronic information, in particular to an eight-channel environmental signal collector.
Background
With the development of society, the signal collector is widely applied to environmental information collection in the fields of bridges, buildings, airplanes, vehicles and the like. However, the conventional environmental signal collector usually has a single collection channel, and cannot collect multiple signals, and due to the limitation of software and hardware, when the working environment variables are more, the conventional signal collector cannot realize long-term real-time collection, and because the storage space is limited, the conventional signal collector cannot perform long-term storage, so that there is a great need to research a signal collector which can collect a large number of working environment variables in real time and provide a sufficient storage space.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides an eight-channel environmental signal collector, which uses a processing circuit to control a data collecting unit to collect an environmental signal, uses an analog-to-digital conversion circuit to convert the collected analog environmental signal and then store the converted analog environmental signal in a storage unit, and can collect a large amount of working environmental signals in real time and realize long-term storage of the collected environmental signals.
In order to solve the technical problem, the following technical scheme is adopted:
the application provides an eight passageway environmental signal collectors, includes: the device comprises a processing circuit, a data acquisition unit and a power circuit;
the data acquisition unit comprises an analog-digital conversion circuit and an eight-channel data acquisition port, and the analog-digital conversion circuit is connected with the eight-channel data acquisition port;
the processing circuit comprises a main control chip, a transmission unit and a storage unit, wherein the main control chip is respectively connected with the transmission unit and the storage unit; the main control chip is also connected with the analog-to-digital conversion circuit;
the power supply circuit comprises a power supply module and a voltage stabilizer, and the power supply module is respectively connected with the analog-to-digital conversion circuit and the voltage stabilizer; the voltage stabilizer is also interconnected with the main control chip.
Optionally, wherein:
the processing circuit also includes at least one power indicator light.
Optionally, wherein:
the analog-to-digital conversion circuit comprises a switch unit and an operational amplifier unit, wherein the switch unit is connected with the operational amplifier unit;
the analog-to-digital conversion circuit is connected with the eight-channel data acquisition port through the switch unit;
the analog-to-digital conversion circuit is connected with the main control chip through the operational amplifier unit.
Optionally, wherein:
the switch unit comprises a CD4051 chip, and the operational amplifier unit comprises a TLV2252 chip.
Optionally, wherein:
the main control chip is an STM32 chip.
Optionally, wherein:
the transmission unit comprises a 485 transceiver and a transmission interface, and the 485 transceiver is connected with the main control chip and the transmission interface respectively.
Optionally, wherein:
the storage unit is an SD storage card.
Compared with the prior art, this application eight passageway environmental signal collectors, reached following effect:
the utility model provides an among the eight passageway environmental signal collectors, introduce eight passageway data acquisition units, carry out multichannel collection to a large amount of operational environment signals through processing circuit control data acquisition unit, the analog environment signal who will gather changes, and the digital signal after will changing is preserved the memory cell, realizes the real-time collection to a large amount of operational environment signals to can carry out the long-term preservation with the digital signal that the conversion obtained.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an eight-channel environmental signal collector according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a processing circuit according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an analog-to-digital conversion circuit according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a transmission unit according to an embodiment of the present application.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Traditional environmental signal collector usually gathers the passageway singlely, can not carry out the collection of multichannel signal, moreover, because the restriction of software and hardware, when the operational environment variable is more, long-term real-time collection can not be realized to traditional signal collector, and because storage space is limited, also can not carry out long-term storage, consequently, need to study one kind and can carry out real-time collection to a large amount of operational environment variables to provide sufficient storage space's signal collector urgently.
In view of this, the application provides an eight-channel environmental signal collector, which uses a processing circuit to control a data collecting unit to collect an environmental signal, uses an analog-to-digital conversion circuit to convert the collected analog environmental signal and then store the converted analog environmental signal in a storage unit, and can collect a large amount of working environmental signals in real time and realize long-term storage of the collected environmental signals.
The following detailed description is made with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an eight-channel ambient signal collector according to an embodiment of the present application, please refer to fig. 1, where the eight-channel ambient signal collector 100 includes: a processing circuit 10, a data acquisition unit 20 and a power circuit 30;
the data acquisition unit 20 comprises an analog-to-digital conversion circuit 22 and an eight-channel data acquisition port 21, wherein the analog-to-digital conversion circuit 22 is connected with the eight-channel data acquisition port 21;
the processing circuit 10 comprises a main control chip 11, a transmission unit 13 and a storage unit 12, wherein the main control chip 11 is respectively connected with the transmission unit 13 and the storage unit 12; the main control chip 11 is also interconnected with an analog-to-digital conversion circuit 22;
the power circuit 30 includes a power module 31 and a voltage regulator 32, the power module 31 is connected to the analog-to-digital conversion circuit 22 and the voltage regulator 32 respectively; the voltage regulator 32 is also interconnected with the main control chip 11.
Specifically, referring to fig. 1, the eight-channel environmental signal collector provided in the embodiment of the present application includes a processing circuit 10, a data acquisition unit 20, and a power circuit 30, where the data acquisition unit 20 includes an analog-to-digital conversion circuit 22 and an eight-channel data acquisition port 21, the processing circuit 10 includes a main control chip 11, a transmission unit 13, and a storage unit 12, the power circuit 30 includes a power module 31 and a voltage regulator 32, and the power module 31 is connected to the analog-to-digital conversion circuit 22 and used for supplying power to the analog-to-digital conversion circuit 22; the power module 31 is further connected with the voltage stabilizer 32, the voltage stabilizer 32 is connected with the main control chip 11, that is, the power module 31 provides correct voltage for the main control chip 11 through the voltage stabilizer 32, so that the situation that the main control chip 11 is damaged due to overhigh voltage when the power module 31 directly supplies power to the main control chip 11 is avoided, and the main control chip 11 can work normally; the main control chip 11 is respectively connected with the storage unit 12 and the analog-to-digital conversion circuit 22, when the main control chip 11 is powered on and starts to work, firstly, the capacity and the state of the storage unit 12 are checked, whether the storage unit 12 is in a normal state or not and whether the capacity of the storage unit 12 is sufficient or not are checked, then, the main control chip 11 controls the data acquisition unit 20 to acquire an environmental signal, the analog environmental signal acquired by the eight-channel data acquisition port 21 is converted into a digital signal by the analog-to-digital conversion circuit 22, then, the digital signal is stored in the storage unit 12, and after waiting for a period, the digital signal is acquired again; the main control chip 11 is also connected with the transmission unit 13, and the data is sent to the computer for processing or storing through the transmission unit 13, so that data transmission between the signal collector and the computer is realized. The eight-channel signal collector 100 provided by the embodiment of the application introduces the eight-channel data collection unit 20, controls the data collection unit 20 to collect a large amount of working environment signals in a multi-channel manner through the processing circuit 10, converts the collected analog environment signals and then stores the converted analog environment signals into the storage unit 12, realizes real-time collection of a large amount of working environment signals, and can store the collected environment signals for a long time.
Optionally, referring to fig. 2, fig. 2 is a schematic structural diagram of a processing circuit provided in the embodiment of the present application, and the processing circuit 10 further includes at least one power indicator 14. Specifically, the processing circuit 10 is provided with a power indicator 14, the power indicator 14 is connected to the main control chip 11, the power indicator 14 is powered by the main control chip 11, the main control chip 11 is powered on, and the power indicator 14 is powered on, which indicates that the circuit of the main control chip 11 is normal, and subsequent operations can be performed, if the main control chip 11 is powered on and the power indicator 14 is not powered on, which indicates that the main control chip 11 is abnormal and cannot work normally, that is, whether the main control chip 11 can work normally can be preliminarily determined by the on-off condition of the power indicator 14, in order to facilitate the determination of the on-off state of the power indicator 14, in this embodiment, a relatively visible red LED is selected as the power indicator 14, of course, the red LED is only a schematic illustration, and in other embodiments, power indicators of other colors, such as green, may also be selected, Blue, etc., and this is not a particular limitation of the present application.
Optionally, referring to fig. 3, fig. 3 is a schematic structural diagram of an analog-to-digital conversion circuit provided in the embodiment of the present application, where the analog-to-digital conversion circuit 22 includes a switch unit 23 and an operational amplifier unit 24, and the switch unit 23 and the operational amplifier unit 24 are connected to each other; the analog-to-digital conversion circuit 22 is connected with the eight-channel data acquisition port 21 through the switch unit 23; the analog-to-digital conversion circuit 22 is connected to the main control chip 11 through the operational amplifier unit 24. Specifically, the analog-to-digital conversion circuit 22 includes a switch unit 23 and an operational amplifier unit 24, in this embodiment, the switch unit 23 may select, for example, a CMOS analog multiplexer/demultiplexer chip CD4051, the operational amplifier unit 24 may select, for example, an advanced lincmos rail-to-rail very low power consumption operational amplifier chip TLV2252, the analog-to-digital conversion circuit 22 is connected to the eight-channel data acquisition port 21 through a CD4051 chip to realize acquisition and conversion of an environmental signal, then the digital signal obtained through conversion is transmitted to the main control chip 11 through the TLV2252 chip, and is stored in the storage unit 12 through the main control chip 11, so that long-term storage of the environmental signal is realized. It should be noted that, the CD4051 and the TLV2252 are selected as the switch unit 23 and the operational amplifier unit 24, which are only one implementation manner in this embodiment of the present application, and in other embodiments, other chips may also be selected, which is not specifically limited in this application.
Optionally, the main control chip 11 is an STM32 chip. Specifically, the STM32 chip has advantages such as high performance, low cost and low power consumption, and consequently, selects STM32 as main control chip 11 in this embodiment, and control data acquisition unit 20 gathers and converts the environmental signal to save the digital signal after will converting to memory cell 12, realize the permanent save to the environmental signal. It should be noted that, the STM32 is used as the main control chip 11, which is only one implementation manner in this embodiment of the present application, and in other embodiments, other control chips such as a DSP and a single chip microcomputer may be used as the main control chip 11, which is not specifically limited in this application.
Optionally, referring to fig. 4, fig. 4 is a schematic structural diagram of a transmission unit provided in the embodiment of the present application, where the transmission unit 13 includes a 485 transceiver 15 and a transmission interface 16, and the 485 transceiver 15 is connected to the main control chip 11 and the transmission interface 16 respectively. Specifically, the transmission unit 13 includes a 485 transceiver 15 and a transmission interface 16, the main control chip 11 and the 485 transceiver 15 are connected to each other, and then connected to the computer through the transmission interface 16, so as to implement data transmission between the main control chip 11 and the computer, that is, the main control chip 11 and the computer adopt a 485 communication mode, and of course, in other embodiments, the main control chip 11 may also adopt other communication modes, such as 232 communication, wireless communication, and the like, which is not specifically limited in this application.
Alternatively, the storage unit 12 is an SD memory card. Specifically, the SD memory card has advantages of large capacity, high performance, safety, and the like, and therefore, in the embodiment of the present application, the SD memory card is selected as the storage unit 12, and the SD memory card is divided into a plurality of levels, for example, SD, SDHC, and SDXC, according to different transmission rates and different capacities, and which level of SD memory card is specifically used may be selected according to actual needs, which is not specifically limited in the present application.
According to the embodiments, the application has the following beneficial effects:
the utility model provides an among the eight passageway environmental signal collectors, eight passageway data acquisition units have been introduced, carry out multichannel collection to a large amount of operational environment signals through processing circuit control data acquisition unit, the analog environment signal who will gather changes to the storage unit is preserved to the digital signal after will changing, realizes the real-time collection to a large amount of operational environment signals, and can carry out the long-term preservation with the digital signal that the conversion obtained.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (6)
1. An eight-channel ambient signal collector, comprising: the device comprises a processing circuit, a data acquisition unit and a power circuit;
the data acquisition unit comprises an analog-digital conversion circuit and an eight-channel data acquisition port, the analog-digital conversion circuit comprises a switch unit and an operational amplifier unit, and the switch unit is connected with the operational amplifier unit; the analog-to-digital conversion circuit is connected with the eight-channel data acquisition port through the switch unit;
the processing circuit comprises a main control chip, a transmission unit and a storage unit, wherein the main control chip is respectively connected with the transmission unit and the storage unit; the analog-to-digital conversion circuit is connected with the main control chip through the operational amplifier unit;
the power supply circuit comprises a power supply module and a voltage stabilizer, and the power supply module is respectively connected with the analog-to-digital conversion circuit and the voltage stabilizer; the voltage stabilizer is also interconnected with the main control chip.
2. The eight-channel ambient signal collector of claim 1 wherein the processing circuit further comprises at least one power indicator.
3. The eight-channel ambient signal collector of claim 1, wherein the switch unit comprises a CD4051 chip and the op-amp unit comprises a TLV2252 chip.
4. The eight-channel environment signal collector of claim 1, wherein the master control chip is an STM32 chip.
5. The eight-channel environmental signal collector of claim 1, wherein the transmission unit comprises a 485 transceiver and a transmission interface, and the 485 transceiver is respectively connected with the main control chip and the transmission interface.
6. The eight-channel ambient signal collector of claim 1, wherein the storage unit is an SD memory card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688877.9U CN210534988U (en) | 2019-10-10 | 2019-10-10 | Eight-channel environment signal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688877.9U CN210534988U (en) | 2019-10-10 | 2019-10-10 | Eight-channel environment signal collector |
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| Publication Number | Publication Date |
|---|---|
| CN210534988U true CN210534988U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921688877.9U Active CN210534988U (en) | 2019-10-10 | 2019-10-10 | Eight-channel environment signal collector |
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| CN (1) | CN210534988U (en) |
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