CN218351000U - Data acquisition unit and data acquisition system - Google Patents
Data acquisition unit and data acquisition system Download PDFInfo
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- CN218351000U CN218351000U CN202222263220.6U CN202222263220U CN218351000U CN 218351000 U CN218351000 U CN 218351000U CN 202222263220 U CN202222263220 U CN 202222263220U CN 218351000 U CN218351000 U CN 218351000U
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Abstract
The application provides a data collection station and data acquisition system, relate to instrument data acquisition field, this data acquisition system includes, data collection station, wireless receiver and terminal equipment, data collection station is used for being connected with the instrument electricity, gather instrument data, wireless receiver receives the instrument data of data collector transmission through wireless network, wireless receiver is connected with the terminal equipment electricity, thereby transmit received instrument data for terminal equipment, thereby accomplish production, instrument data acquisition work in the life, collection efficiency is high and be difficult for makeing mistakes. The data collector and the wireless receiver of the system transmit data by using a wireless network without laying communication cables, thereby greatly reducing the workload of laying and overhauling the signal collection system and reducing the cost.
Description
Technical Field
The application relates to the field of instrument data acquisition, in particular to a data acquisition unit and a data acquisition system.
Background
An electrical meter refers to an instrument that measures, records, and meters various electrical quantities. In production and life, many instruments are needed, such as water and electricity instruments, gas alarms, flow meters and the like. People often need to count the display data of instruments in order to monitor production and life data. At present, people count the data of the instrument by adopting a manual reading and recording mode.
However, when the number of meters increases and the number of data types increases, the efficiency of the manner of manually reading the statistical data becomes extremely low and is prone to errors, which causes problems and cannot meet the existing requirements.
SUMMERY OF THE UTILITY MODEL
The application provides a data acquisition unit and a data acquisition system to solve the technical problems of low efficiency and easy error of manual acquisition of instrument data.
In a first aspect, the present application provides a data acquisition system, comprising:
the data acquisition unit is connected with the instrument and used for acquiring instrument data;
the wireless receiver is connected with the data acquisition unit through a wireless network and receives the instrument data sent by the data acquisition unit;
the data collector comprises a collector shell and a signal collection control mainboard arranged in the collector shell, the signal collection control mainboard comprises a signal collection control unit, a signal sending wireless unit and a signal collection unit, the signal collection unit is electrically connected with a signal interface arranged on the collector shell, the signal interface is used for being electrically connected with the instrument, the signal collection unit is electrically connected with the signal collection control unit, the signal collection control unit is used for controlling the signal collection unit to collect the instrument data, the signal sending wireless unit is electrically connected with the signal collection control unit, the signal sending wireless unit is electrically connected with a signal sending antenna, and the signal collection control unit is used for sending the instrument data to the wireless receiver through the signal sending wireless unit and the signal sending antenna;
and the terminal equipment is electrically connected with the wireless receiver, and the wireless receiver transmits the instrument data to the terminal equipment.
Optionally, the signal acquisition unit includes a digital quantity signal acquisition unit, the digital quantity signal acquisition unit is electrically connected to the signal acquisition control unit and the signal interface, respectively, and the signal acquisition control unit acquires the digital quantity signal of the instrument through the digital quantity signal acquisition unit.
Optionally, the signal acquisition unit includes an analog quantity signal acquisition unit and an analog-to-digital conversion unit, the analog quantity signal acquisition unit is electrically connected to the analog-to-digital conversion unit and the signal interface respectively, the analog-to-digital conversion unit is electrically connected to the signal acquisition control unit, and the analog quantity signal acquisition unit and the analog-to-digital conversion unit convert the analog quantity signal of the instrument into a digital quantity signal and transmit the digital quantity signal to the signal acquisition control unit.
Optionally, the wireless receiver includes a receiver housing and a signal receiving control main board disposed in the receiver housing, the signal receiving control main board includes a signal receiving control unit, the signal receiving control unit is electrically connected to the signal receiving wireless unit, the signal receiving wireless unit is electrically connected to the signal receiving antenna, and the signal receiving control unit receives the meter data sent by the data collector through the signal receiving wireless unit and the signal receiving antenna.
Optionally, the signal receiving control main board further includes a network driving unit, the network driving unit is electrically connected to the signal receiving control unit, the network driving unit is electrically connected to the network interface, the network interface is electrically connected to the terminal device, and the signal collecting control unit transmits the received instrument data to the terminal device through the network driving unit and the network interface.
Optionally, the signal acquisition control main board further includes a voltage conversion unit for voltage conversion, and the voltage conversion unit converts a high voltage of a power supply into a low voltage to supply power to the signal acquisition control main board.
Optionally, the collector housing comprises an upper shell and a lower shell;
the lower casing includes the diapire and is in around setting up the lateral wall at diapire edge, the diapire with the lateral wall encloses jointly the installation cavity of collector shell, signal acquisition control mainboard is located the installation cavity, the upper casing lid is established on the opening that lateral wall one end encloses.
Optionally, the collector housing further comprises a fixing plate;
the fixed plate is arranged outside the bottom wall of the lower shell, and the fixed plate is provided with an installation position which is used for fixing the fixed plate on an installation table top where the data acquisition device is located.
Optionally, an indicator light hole is formed in the upper housing, an indicator light for indicating acquisition work is arranged in the installation cavity, the indicator light is electrically connected with the signal acquisition control main board, and one end of the indicator light penetrates through the indicator light hole;
and/or the side wall of the lower shell is provided with the signal interface, a signal transmitting antenna interface and a power input interface, and the signal transmitting antenna is electrically connected with the signal transmitting wireless unit through the signal transmitting antenna interface.
In a second aspect, the present application further provides a data collector, including a collector housing and a signal collection control motherboard disposed in the collector housing;
the signal acquisition control mainboard comprises a signal acquisition control unit, a signal transmission wireless unit and a signal acquisition unit, the signal acquisition unit is electrically connected with a signal interface arranged on the collector shell, the signal interface is used for being electrically connected with the instrument, the signal acquisition unit is electrically connected with the signal acquisition control unit, the signal acquisition control unit is used for controlling the signal acquisition unit to acquire instrument data, the signal transmission wireless unit is electrically connected with the signal acquisition control unit, the signal transmission wireless unit is electrically connected with a signal transmission antenna, and the signal acquisition control unit is used for enabling the instrument data to pass through the signal transmission wireless unit and the signal transmission antenna to be transmitted to the wireless receiver.
The application provides a data acquisition system and an acquisition device thereof, wherein a signal acquisition control unit of the data acquisition device controls a signal acquisition unit to acquire instrument data, so that the efficiency is high and errors are not easy to occur; the signal acquisition control unit obtains instrument data back rethread signal transmission wireless unit and signal transmission antenna with instrument data through wireless network transmission for wireless receiver, and wireless receiver gives terminal equipment with instrument data transmission again to accomplish the instrument data acquisition work in production, the life, collection efficiency is high and be difficult for makeing mistakes. The data acquisition unit is compact in structural layout, small in size, good in airtightness, dustproof, waterproof and convenient to install in a narrow and complex environment to acquire instrument data; the data collector and the wireless receiver of the system transmit data by using a wireless network without laying communication cables, thereby greatly reducing the workload of laying and overhauling the signal collection system and reducing the cost.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a schematic view of a usage scenario of a data acquisition system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a data collector provided in an embodiment of the present application in one of viewing angles;
fig. 3 is a schematic structural diagram of a data acquisition unit provided in the embodiment of the present application from another view angle;
fig. 4 is a schematic diagram of an internal structure of a data collector provided in the embodiment of the present application;
fig. 5 is a circuit topology diagram of a signal acquisition control motherboard in the data acquisition device according to the embodiment of the present application;
fig. 6 is a circuit topology diagram of a signal receiving control unit in a wireless receiver according to an embodiment of the present application;
description of reference numerals:
100-a data collector; 200-a meter; 300-a wireless receiver; 400-a terminal device;
110-a collector housing; 120-a signal acquisition control mainboard; 130-a signal transmitting antenna; 140-a signal transmitting antenna interface; 150-indicator light; 160-power input interface; 170-signal interface; 310-signal receiving control mainboard; 320-a signal receiving antenna;
111-an upper shell; 112-a lower housing; 113-collector fixing plate; 121-a signal acquisition control unit; 122-a signaling radio; 123-analog-to-digital conversion unit; 124-analog quantity signal acquisition unit; 125-a digital quantity signal acquisition unit; 311-signal reception control unit; 312-a signal receiving radio; 313-a network drive unit;
1111-indicator light hole; 1121-bottom wall; 1122-side wall; 1123-installation cavity.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application, and it should be noted that the following detailed description is illustrative and is intended to provide further explanation for the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In order to facilitate the technical solution of the present application, some concepts related to the present application will be described below.
The electrical connection means that the two units are connected by a wire or a Circuit of a Printed Circuit Board (PCB).
An electrical meter refers to an instrument that measures, records, and meters various electrical quantities. In production and life, many instruments are needed, such as water and electricity instruments, gas alarms, flow meters and the like. People often need to count the display data of instruments in order to monitor production and life data. At present, people count the data of the instrument by adopting a manual reading and recording mode.
However, when the number of the meters is increased and the types of data are increased, the mode efficiency of manual reading statistical data becomes extremely low and is easy to make mistakes, so that problems occur, and the existing requirements cannot be met.
Fig. 1 is a schematic view of a usage scenario of a data acquisition system according to an embodiment of the present application. Referring to fig. 1, an embodiment of the present application provides a data acquisition system, including at least one data acquisition unit 100, at least one wireless receiver 300, and a terminal device 400, where the data acquisition unit 100 is configured to be electrically connected to a meter 200 to acquire meter data, the wireless receiver 300 receives the meter data transmitted by the data acquisition unit 100 through a wireless network, and the wireless receiver 300 is electrically connected to the terminal device 400 to transmit the received meter data to the terminal device 400, thereby completing the meter data acquisition in production and life, and having high acquisition efficiency and being not prone to error.
Referring to fig. 1, in some examples, there may be a plurality of data collectors 100, and each data collector 100 may collect meter data of a corresponding meter 200, for example, there are 4 data collectors 100, and there are 4 meters 200, and each data collector 100 is electrically connected to a corresponding meter 200 to collect meter data on the meter 200. After the 4 data collectors 100 complete the collection of the meter data on the 4 meters 200, all the data can be transmitted to the wireless receiver 300 through the wireless network, and then the wireless receiver 300 transmits the meter data on the 4 meters 200 to the terminal device 400 for reading.
It should be noted that the terminal device 400 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, internet of things devices, and portable wearable devices, and the internet of things devices may be smart speakers, smart televisions, smart air conditioners, smart car-mounted devices, and the like. The portable wearable device can be a smart watch, a smart bracelet, a head-mounted device, and the like.
Fig. 4 is a schematic internal structural diagram of the data collector 100 according to the embodiment of the present application. Referring to fig. 4, the data collector 100 includes a collector housing 110 and a signal collection control motherboard 120, the signal collection control motherboard 120 is disposed in an inner cavity of the collector housing 110, for example, the signal collection control motherboard 120 may be fixed on a bottom surface inside the collector housing 110 to ensure structural stability of the signal collection control motherboard 120 inside the collector housing 110.
Fig. 5 is a circuit topology diagram of the signal acquisition control main board 120 in the data acquisition device 100 according to the embodiment of the present application. Referring to fig. 4 and 5, the signal collection control main board 120 includes a signal collection control unit 121, a signal transmission wireless unit 122 and a signal collection unit, wherein the signal collection unit (for example, a collection circuit in the signal collection unit) is electrically connected to the signal interface 170, and the signal interface 170 is used for being connected to the meter 200, in other words, the signal collection unit is electrically connected to the meter 200 through the signal interface 170. In addition, a signal acquisition unit (e.g., a control circuit of the signal acquisition unit) is electrically connected to the signal acquisition control unit 121, so that the signal acquisition control unit 121 can control the signal acquisition unit to acquire meter data on the meter 200.
As shown in fig. 5, the signal transmitting wireless unit 122 is electrically connected to the signal acquisition control unit 121 and the signal transmitting antenna interface 140, that is, one port of the signal transmitting wireless unit 122 is electrically connected to the signal transmitting antenna interface 140, and the other port of the signal transmitting wireless unit 122 is electrically connected to the signal acquisition control unit 121. The signal transmitting antenna 130 is fixed to the signal transmitting antenna interface 140, and the signal transmitting wireless unit 122 is electrically connected to the signal transmitting antenna 130. In operation, the signal acquisition control unit 121 obtains the meter data acquired by the signal acquisition unit, and then sends the meter data to the signal sending antenna 130 through the signal sending wireless unit 122, and the signal sending antenna 130 transmits the meter data to the wireless receiver 300 in a wireless network, for example, in an electromagnetic wave manner.
It can be understood that the wireless receiver 300 is electrically connected with the terminal device 400, so that the received meter data is transmitted to the terminal device 400, the meter data collection work in production and life is finished, the collection efficiency is high, and errors are not easy to occur.
The data acquisition unit 100 and the wireless receiver 300 of the data acquisition system of the embodiment of the application transmit data by using a wireless network without laying communication cables, thereby greatly reducing the workload of laying and overhauling the signal acquisition system and reducing the cost. In addition, all components in this data collection station 100 are rationally distributed in collector shell 110 for structural layout is compact, and is small and the seal is good, and dustproof and waterproof conveniently installs collection instrument data in narrow and small, complicated environment in space.
In addition, the staff can obtain the instrument data collected by the data collector 100 on the terminal device 400 regularly without reading the instrument data at the site of installing the instrument, so that the situation that the staff is difficult to move to the instrument 200 to collect the instrument data manually due to the complexity of the site environment, such as the numerous and complicated devices, is avoided, and the acquisition process and difficulty of the instrument data are simplified.
Referring to fig. 5, in the embodiment of the present application, the signal acquisition unit may include at least one of a digital signal acquisition unit 125 and an analog signal acquisition unit 124. The digital signal acquisition unit 125 acquires meter data communicated using digital signals, and the analog signal acquisition unit 124 acquires meter data communicated using analog signals.
Specifically, when the signal acquisition unit is the digital signal acquisition unit 125, the digital signal acquisition unit 125 is electrically connected to the signal acquisition control unit 121 and the signal interface 170, i.e. one port of the digital signal acquisition unit 125 is electrically connected to the signal acquisition control unit 121, and the other port of the digital signal acquisition unit 125 is electrically connected to the signal interface 170, so that the signal acquisition control unit 121 acquires the meter data of the digital signal type of the meter 200 through the digital signal acquisition unit 125.
Similarly, when the signal acquisition unit is an analog signal acquisition unit 124, the analog signal acquisition unit 124 can be electrically connected to the analog-to-digital conversion unit 123 and the signal interface 170, respectively, the analog-to-digital conversion unit 123 is electrically connected to the analog signal acquisition control unit 124, in other words, one port of the analog signal acquisition unit 124 can be electrically connected to the signal acquisition control unit 121 through the analog-to-digital conversion unit 123, and the other port of the analog signal acquisition unit 124 is electrically connected to the signal interface 170, so that the analog signal acquisition unit 124 and the analog-to-digital conversion unit 123 convert the analog signal type meter data acquired by the signal port into digital signal type meter data and transmit the digital signal type meter data to the signal acquisition control unit 121.
In specific implementation, the digital signal acquisition unit 125 may be an RS485 signal acquisition module, and the data acquisition device 100 may acquire instrument data using 485 signals as communication modes by using the RS485 signal acquisition module.
In addition, the analog signal acquisition unit 124 is a 4-20MA current signal acquisition module, and the data acquisition device 100 acquires instrument data in a communication mode of 4-20MA current signals by using the 4-20MA current signal acquisition module.
It should be noted that the signal acquisition unit of the embodiment of the present application may include both the digital quantity signal acquisition unit 125 and the analog quantity signal acquisition unit 124, and the data acquisition unit 100 can select the corresponding signal acquisition unit and the signal interface 170 to acquire the meter data according to the type of the communication signal, so that the data acquisition unit 100 is matched with a wider variety of meters 200, and the application range is wider.
In the embodiment of the present application, the wireless receiver 300 includes a receiver housing and a signal reception control main board 310. The signal reception control main board 310 is disposed in the receiver housing, for example, the signal reception control main board 310 may be fixed on a bottom surface inside the receiver housing to ensure structural stability of the signal reception control main board 310 inside the receiver housing.
Fig. 6 is a circuit topology diagram of a signal reception control unit in a wireless receiver according to an embodiment of the present application. Referring to fig. 6, the signal receiving control main board 310 includes a signal receiving control unit 311, a signal receiving wireless unit 312 and a network driving unit 313, wherein the signal receiving control unit 311 is electrically connected to one port of the signal receiving wireless unit 312, so as to control the signal receiving wireless unit 312 to receive the meter data sent by the data collector 100; the other port of the signal receiving wireless unit 312 is electrically connected to a signal receiving antenna interface located on the receiver housing, and the signal receiving antenna 320 is installed in the signal receiving antenna interface, that is, the signal receiving wireless unit 312 is electrically connected to the signal receiving antenna 320 through the signal receiving antenna interface. When the wireless receiver 300 works, the signal receiving control unit 311 receives the meter data sent by the data collector 100 through the signal receiving wireless unit 312 and the signal receiving antenna 320;
with continued reference to fig. 6, the signal receiving control unit 311 is electrically connected to the network driving unit 313, the network driving unit 313 is electrically connected to a network interface located on the receiver housing, and the terminal device 400 is electrically connected to the network interface through a cable, that is, the network driving unit 313 and the terminal device 400 are electrically connected through the network interface. It is understood that the cable is a network cable or a USB data cable having an information transmission function. The network driving unit 313 is configured to drive the signal receiving control unit 311 to perform information interaction with the terminal device 400, so that the signal receiving control unit 311 transmits the received meter data to the terminal device 400.
In an embodiment of the present application, the data collector 100 includes all components of the wireless receiver 300, that is, the data collector 100 can be electrically connected to the meter 200 to collect meter data, or electrically connected to the terminal device 400, so that the terminal device 400 obtains the collected meter data. In this embodiment, the data collector 100 and the wireless receiver 300 have the same structure.
In this embodiment, the signal acquisition control main board 310 further includes a voltage conversion unit for voltage conversion, and the voltage conversion unit converts the 9-24V high voltage of the power supply into the 3.3V low voltage to supply power to the signal acquisition control main board, so as to avoid the high voltage from damaging the electrical module in the signal acquisition control main board.
Optionally, in this embodiment of the present application, the signal acquisition control unit 121 and the signal reception control unit 311 are STM32F103, the signal sending wireless unit 122 and the signal receiving wireless unit 312 are both LORA wireless modules, and the signal sending antenna 130 and the signal receiving antenna 320 are both high-gain sucker antennas.
Fig. 2 is a schematic structural diagram of the data acquisition device 100 according to the embodiment of the present application, and fig. 3 is a schematic structural diagram of the data acquisition device 100 according to the embodiment of the present application. As shown in fig. 2, 3 and 4, the collector housing 110 includes an upper shell 111 and a lower shell 112, and the upper shell 111 is fixed to the lower shell 112 by screws or bolts.
The lower shell 112 comprises a bottom wall 1121 and a side wall 1122, the side wall 1122 is arranged around the edge of the bottom wall 1121, the bottom wall 1121 and the side wall 1122 together enclose a mounting cavity 1123 of the collector housing 110, and the signal collection control main board 120 is mounted in the mounting cavity 1123. In addition, the side wall 1122 of the lower shell 112 is provided with the signal interface 170, the signal transmitting antenna interface 140 and the power input interface 160, and the signal interface 170, the signal transmitting antenna interface 140 and the power input interface 160 are all arranged in the opening of the side wall 1122 of the lower shell 112 in an interference manner, so that the closed state inside the collector shell 110 is ensured, and the collector shell can be dustproof and waterproof, so that the data collector 110 can be applied to a complex environment; the power input interface 160 is electrically connected to the voltage conversion module for supplying power to the signal acquisition control motherboard 120. The data collector 110 has a compact structural layout, a small volume and is convenient to install in an environment with a narrow space.
The signal acquisition control main board 120, the signal interface 170, the signal transmission antenna interface 140 and the power input interface 160 of the data acquisition device 100 are all fixed on the lower shell 112, so that the components inside the data acquisition device 100 can be conveniently overhauled after the upper shell 111 is detached by a worker.
Referring to fig. 2 and 3, a fixing plate 113 is disposed on a bottom surface of the lower housing 112 of the data collector 100, the fixing plate 113 is fixed on a bottom wall 1121 of the lower housing 112 and extends toward the side wall 1122, and a mounting position, specifically a mounting hole or a mounting groove, is disposed on the fixing plate 113, so that the fixing plate 113 is conveniently fixed on a mounting table of the data collector 100, and the data collector 100 is fixed.
Continuing to refer to fig. 4, in this embodiment of the application, the data collector 100 further includes an indicator light 150, the indicator light 150 is electrically connected to the signal collection control motherboard 120 and is used for displaying an operation state of the data collector 100, the indicator light 150 is disposed in an indicator light hole 1111 located on the upper housing 111, and the indicator light 150 is exposed from the upper surface of the upper housing 111, so that a worker can observe a state of the signal light conveniently.
The application provides a data acquisition system, behind the data collection station 100 collection instrument data among the data acquisition system, give wireless receiver 300 with this instrument data transmission through wireless network, wireless receiver 300 gives terminal equipment 400 with this instrument data transmission again to accomplish the instrument data acquisition work in production, the life, collection efficiency is high and be difficult for makeing mistakes. The data acquisition unit 100 is compact in structural layout, small in size, good in airtightness, dustproof and waterproof, and convenient to install in a narrow and complex environment to acquire instrument data; the data collector 100 and the wireless receiver 300 of the system transmit data by using a wireless network without laying communication cables, thereby greatly reducing the workload of laying and overhauling a signal collection system and reducing the cost.
The application provides a data acquisition unit 100, a signal acquisition control unit 121 of the data acquisition unit 100 controls a signal acquisition unit to acquire instrument data, the efficiency is high, and errors are not easy to occur; the signal acquisition control unit 121 obtains the meter data and then transmits the meter data to the wireless receiver 300 through the wireless signal transmission unit 122 and the signal transmission antenna 130, and the wireless receiver 300 transmits the meter data to the terminal device 400. The signal acquisition control main board 120, the signal interface 170, the signal transmitting antenna interface 140 and the power input interface 160 of the data acquisition device are all fixed on the lower shell 112, so that the upper shell 111 can be conveniently detached for maintenance; the data collector has a compact structure and a small volume, and the lower shell 112 is provided with the fixing plate 113, so that the data collector 100 is conveniently arranged around the instrument 200.
This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. A data acquisition system is characterized by comprising
The data acquisition unit is connected with the instrument and used for acquiring instrument data;
the wireless receiver is connected with the data acquisition unit through a wireless network and receives the instrument data sent by the data acquisition unit;
the data collector comprises a collector shell and a signal collection control mainboard arranged in the collector shell, the signal collection control mainboard comprises a signal collection control unit, a signal sending wireless unit and a signal collection unit, the signal collection unit is electrically connected with a signal interface arranged on the collector shell, the signal interface is used for being electrically connected with the instrument, the signal collection unit is electrically connected with the signal collection control unit, the signal collection control unit is used for controlling the signal collection unit to collect the instrument data, the signal sending wireless unit is electrically connected with the signal collection control unit, the signal sending wireless unit is used for being electrically connected with a signal sending antenna, and the signal collection control unit is used for sending the instrument data to the wireless receiver through the signal sending wireless unit and the signal sending antenna;
and the terminal equipment is electrically connected with the wireless receiver, and the wireless receiver transmits the instrument data to the terminal equipment.
2. The data acquisition system according to claim 1, wherein the signal acquisition unit comprises a digital quantity signal acquisition unit, the digital quantity signal acquisition unit is electrically connected with the signal acquisition control unit and the signal interface respectively, and the signal acquisition control unit acquires a digital quantity signal of the instrument through the digital quantity signal acquisition unit.
3. The data acquisition system of claim 1, wherein the signal acquisition unit comprises an analog quantity signal acquisition unit and an analog-to-digital conversion unit, the analog quantity signal acquisition unit is electrically connected with the analog-to-digital conversion unit and the signal interface respectively, the analog-to-digital conversion unit is electrically connected with the signal acquisition control unit, and the analog quantity signal acquisition unit and the analog-to-digital conversion unit convert the analog quantity signal of the instrument into a digital quantity signal and transmit the digital quantity signal to the signal acquisition control unit.
4. The data acquisition system according to claim 1, wherein the wireless receiver comprises a receiver housing and a signal receiving control main board arranged in the receiver housing, the signal receiving control main board comprises a signal receiving control unit, the signal receiving control unit is electrically connected with a signal receiving wireless unit, the signal receiving wireless unit is electrically connected with a signal receiving antenna, and the signal receiving control unit receives the meter data sent by the data acquisition unit through the signal receiving wireless unit and the signal receiving antenna.
5. The data acquisition system according to claim 4, wherein the signal receiving control main board further comprises a network driving unit, the network driving unit is electrically connected with the signal receiving control unit, the network driving unit is electrically connected with a network interface, the network interface is electrically connected with the terminal device, and the signal acquisition control unit transmits the received instrument data to the terminal device through the network driving unit and the network interface.
6. The data acquisition system according to any one of claims 1 to 5, wherein the signal acquisition control motherboard further comprises a voltage conversion unit for voltage conversion, and the voltage conversion unit converts a high voltage of a power supply into a low voltage to supply power to the signal acquisition control motherboard.
7. The data acquisition system of any one of claims 1 to 5 wherein the collector housing comprises an upper shell and a lower shell;
the lower casing includes the diapire and is in around setting up the lateral wall at diapire edge, the diapire with the lateral wall encloses jointly the installation cavity of collector shell, signal acquisition control mainboard is located the installation cavity, the upper casing lid is established on the opening that lateral wall one end encloses.
8. The data acquisition system of claim 7 wherein the collector housing further comprises a fixed plate;
the fixing plate is arranged outside the bottom wall of the lower shell, and is provided with a mounting position which is used for fixing the fixing plate on a mounting table board where the data acquisition device is located.
9. The data acquisition system according to claim 8, wherein an indicator light hole is formed in the upper housing, an indicator light for indicating acquisition work is arranged in the mounting cavity, the indicator light is electrically connected with the signal acquisition control main board, and one end of the indicator light penetrates through the indicator light hole;
and/or the side wall of the lower shell is provided with the signal interface, a signal transmitting antenna interface and a power input interface, and the signal transmitting antenna is electrically connected with the signal transmitting wireless unit through the signal transmitting antenna interface.
10. A data collector is characterized by comprising a collector shell and a signal collection control mainboard arranged in the collector shell;
the signal acquisition control mainboard comprises a signal acquisition control unit, a signal transmission wireless unit and a signal acquisition unit, the signal acquisition unit is electrically connected with a signal interface arranged on the collector shell, the signal interface is used for being electrically connected with an instrument, the signal acquisition unit is electrically connected with the signal acquisition control unit, the signal acquisition control unit is used for controlling the signal acquisition unit to acquire instrument data, the signal transmission wireless unit is electrically connected with the signal acquisition control unit, the signal transmission wireless unit is electrically connected with a signal transmission antenna, and the signal acquisition control unit is used for enabling the instrument data to pass through the signal transmission wireless unit and the signal transmission antenna to transmit the signal transmission antenna to a wireless receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222263220.6U CN218351000U (en) | 2022-08-26 | 2022-08-26 | Data acquisition unit and data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222263220.6U CN218351000U (en) | 2022-08-26 | 2022-08-26 | Data acquisition unit and data acquisition system |
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| CN218351000U true CN218351000U (en) | 2023-01-20 |
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| CN202222263220.6U Active CN218351000U (en) | 2022-08-26 | 2022-08-26 | Data acquisition unit and data acquisition system |
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