CN212059137U - Intelligent temperature acquisition system - Google Patents
Intelligent temperature acquisition system Download PDFInfo
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- CN212059137U CN212059137U CN202021025754.XU CN202021025754U CN212059137U CN 212059137 U CN212059137 U CN 212059137U CN 202021025754 U CN202021025754 U CN 202021025754U CN 212059137 U CN212059137 U CN 212059137U
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Abstract
The present disclosure provides an intelligent temperature acquisition system, which comprises an upper computer subsystem and a lower computer subsystem, wherein the upper computer subsystem and the lower computer subsystem are connected through a mobile communication network; the lower computer subsystem comprises a plurality of temperature acquisition devices, at least one temperature acquisition device in the plurality of temperature acquisition devices serves as a host, the rest temperature acquisition devices serve as slaves, and the host and the slaves are connected through Zigbee. The intelligent temperature acquisition system provided by the disclosure has the advantages that cables are not needed to be connected between each subsystem and each temperature acquisition device, the cost is low, the transportation is convenient, in addition, the Zigbee networking is adopted between each temperature acquisition device of the lower computer subsystem, the networking mode is simple, the temperature acquisition devices are conveniently added in the system, and the monitoring points are increased.
Description
Technical Field
The utility model relates to a temperature monitoring field, more particularly, relate to an intelligence temperature acquisition system.
Background
Temperature monitoring is an important component in modern monitoring technology, and is mainly applied to industries with strict requirements on temperature, such as food and drug storage, petrochemical industry, metallurgy, light industry, food, medicine, military industry and other fields. Taking a long-distance natural gas pipeline as an example, the temperature change has a great influence on the toughness and brittleness of pipeline steel, and brittle fracture is caused under the condition of low-temperature stress, so that temperature monitoring is particularly necessary.
In the prior art, devices in a temperature acquisition system are generally connected to each other in a wired manner. For a target to be detected which needs to monitor a plurality of monitoring points and has a long distance between the monitoring points, for example, for a long-distance natural gas pipeline, the acquisition system connected in a wired manner is high in cost and inconvenient to transport, and the system needs to be rewired when a new acquisition device is added, so that the operation is complicated.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, an embodiment of the present invention provides an intelligent temperature acquisition system, which includes an upper computer subsystem and a lower computer subsystem, wherein the upper computer subsystem and the lower computer subsystem are connected through a mobile communication network; the lower computer subsystem comprises a plurality of temperature acquisition devices, at least one temperature acquisition device in the plurality of temperature acquisition devices serves as a host, the rest temperature acquisition devices serve as slaves, and the host and the slaves are connected through Zigbee.
The utility model discloses an in an embodiment, the temperature acquisition device as the host computer includes:
a first temperature sensor;
the first power supply module is electrically connected with the first temperature sensor;
first collection appearance mainboard, with first temperature sensor with first power module electricity respectively is connected, be provided with on the first collection appearance mainboard:
the first Zigbee communication module is configured to work in a coordinator mode and is in communication connection with the temperature acquisition device serving as a slave;
the mobile communication module is in communication connection with the upper computer subsystem; and
a first master control chip configured to:
the temperature data sent by a temperature acquisition device serving as a slave is received through the first Zigbee communication module, and the temperature data is sent to the upper computer subsystem through the mobile communication module;
receiving the next data acquisition time sent by an upper computer subsystem through the mobile communication module, and sending the next data acquisition time to a temperature acquisition device serving as a slave through the first Zigbee communication module;
after the time for next data acquisition is sent to the temperature acquisition device as the slave, the temperature acquisition device as the master is controlled to enter a standby mode, and the acquisition device as the master is controlled to enter a working mode when the first data acquisition time is reached, wherein the first data acquisition time is set in advance of the time for next data acquisition.
In an embodiment of the present invention, the temperature acquisition device as the slave includes:
a second temperature sensor;
the second power supply module is electrically connected with the second temperature sensor;
the second gathers the appearance mainboard, with second temperature sensor with the second power module electricity is connected, be provided with on the second gathers the appearance mainboard:
the second Zigbee communication module is configured to work in a terminal mode and is in communication connection with the temperature acquisition device serving as the host;
a second master chip configured to:
the second Zigbee communication module is used for sending temperature data to the temperature acquisition device serving as the host, and receiving the next time of temperature acquisition sent by the temperature acquisition device serving as the host through the second Zigbee communication module;
after receiving the time of next data acquisition sent by the temperature acquisition device serving as the host, controlling the temperature acquisition device serving as the slave to enter a standby mode, and controlling the temperature acquisition device serving as the slave to enter a working mode when reaching a second data acquisition time, wherein the second data acquisition time is equal to the time of next data acquisition.
In one embodiment of the present invention, the set time is between 30 seconds and 60 seconds.
In an embodiment of the present invention, the first power supply module and the second power supply module include a lithium battery.
In one embodiment of the present invention,
the first temperature sensor and the second temperature sensor comprise digital temperature sensors.
In one embodiment of the present invention,
the temperature acquisition device as the master machine and the temperature acquisition device as the slave machine are separately arranged and are respectively arranged in the respective shells.
The utility model discloses an embodiment provides an intelligence temperature acquisition system has following beneficial technological effect compared in prior art:
the utility model discloses an embodiment need not the cable between each subsystem of intelligent temperature acquisition system that provides, each temperature acquisition device and connects, with low costs and be convenient for transport to, through the Zigbee network deployment between each temperature acquisition device of next machine subsystem, the network deployment mode is simple, is convenient for add temperature acquisition device in the system, increases the monitoring point.
Drawings
Fig. 1 is a schematic diagram of a system structure of an intelligent temperature acquisition system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a temperature acquisition device as a slave according to an embodiment of the present invention;
FIG. 3 is a block diagram of a main board of a temperature collection device as a slave according to one embodiment of the present disclosure;
fig. 4 is a schematic block diagram of a main board of a temperature acquisition device as a host according to an embodiment of the present invention.
Detailed Description
Various aspects of the invention are described in detail below with reference to the figures and the detailed description. Well-known modules, units and their interconnections, links, communications or operations with each other are not shown or described in detail. Furthermore, it should be understood by those skilled in the art that the following embodiments are illustrative only and are not intended to limit the scope of the present invention. It will also be readily understood that the modules or units of the embodiments described herein and illustrated in the figures can be combined and designed in a wide variety of different configurations.
Fig. 1 is a schematic diagram of a system structure of an intelligent temperature acquisition system according to an embodiment of the present invention. As shown in fig. 1, the intelligent temperature acquisition system of the present embodiment may include an upper computer subsystem 100 and a lower computer subsystem 200. The upper computer sub-system 100 and the lower computer sub-system 200 are connected through a mobile communication network. The mobile communication network may be, for example, a GPRS network (General packet radio service), a 4G network (4th Generation mobile network, 4th Generation mobile communication network), a 5G network (5th Generation mobile communication network), etc., which is not limited by the present invention.
The lower computer subsystem 200 includes a plurality of temperature acquisition devices, at least one of which serves as a master 210 and the remaining of which serve as slaves 220. The master 210 and the slave 220 are connected by Zigbee.
Zigbee, also called Zigbee, is an ad hoc, short-distance, low-power wireless communication technology. In an implementation manner of this embodiment, a star topology networking may be adopted between the master and the slave. The lower computer subsystem 200 may include a plurality of star topology networks, each of the star topology networks includes one temperature acquisition device 210 serving as a master and a plurality of temperature acquisition devices 220 serving as slaves, and the temperature acquisition devices 210 serving as the masters and the temperature acquisition devices 220 serving as the slaves in the same star topology network are communicated with each other through Zigbee. Of course, in other implementations, the master and the slaves may be networked using other topologies, such as a tree topology or a mesh topology.
Through the Zigbee networking between each temperature acquisition device of this embodiment, the networking mode is simple, and the scalability of system is strong, is convenient for add temperature acquisition device in the system, increases the monitoring point to, need not the cable between each temperature acquisition device and connect, with low costs and be convenient for transport.
The upper computer subsystem 100 is a control subsystem of the intelligent temperature acquisition system of the present embodiment, and can control the temperature acquisition process of the lower computer subsystem 200. The upper computer subsystem 100 may be an industrial control computer, an industrial control tablet computer, etc., on which an upper computer acquisition program, a database, a human-computer interaction interface, etc. may be installed. The upper computer acquisition program can write acquired temperature data into the database, and a user can read the data in the database through a human-computer interaction interface and set acquisition frequency, an alarm threshold value and the like. Of course, the upper computer subsystem 100 can also be other industrial control devices meeting the industrial control requirements of the present invention, and therefore the present invention is not limited thereto. In an embodiment of the present invention, the host computer subsystem 100 may be configured to receive the temperature data sent by the host computer 210, and send the next time of data acquisition to the host computer 210.
The temperature acquisition device 210 serving as a master is a coordinator node in the Zigbee network, which can establish the Zigbee network, and establishes a communication connection with the temperature acquisition device 220 serving as a slave. In an embodiment of the present invention, the host 210 can receive the temperature data sent from the slave 220, send the temperature data to the host subsystem 100, receive the next time of data acquisition sent by the host subsystem 100, and send the next time of data acquisition to the slave 220.
In another embodiment of the present invention, the host 210 can also collect the temperature data collected by itself and the temperature data received from the slave 220, and then send the collected temperature data to the upper computer subsystem 100.
The temperature collection device 220 as a slave is a terminal node in the Zigbee network, and can collect temperature data and communicate with the temperature collection device 210 as a master. In an embodiment of the present invention, the slave 220 may send the collected temperature data to the host 210, and the host 210 sends the temperature data to the upper computer subsystem 100, and receives the next time of data collection sent by the upper computer subsystem 100 through the host 210.
In an embodiment of the present invention, the temperature collecting device 210 as the master and the temperature collecting device 220 as the slave are respectively disposed in the respective housings, and the two devices can be separately disposed. That is to say, the temperature acquisition devices of the lower computer subsystem are independent of each other, and are connected with each other through a Zigbee network, and there is no cable between them. From this, each temperature acquisition device can be convenient set up in the temperature monitoring point of difference, is convenient for monitor simultaneously apart from a plurality of monitoring points far away, also is convenient for separate the transportation.
The configurations of temperature detection device 210 as a master and temperature detection device 220 as a slave according to the present embodiment will be described in detail below.
Fig. 2 shows a schematic structural diagram of the temperature acquisition device 220 as a slave according to an embodiment of the present invention. As shown in fig. 2, the temperature acquisition device 220 as a slave according to the present embodiment includes: temperature sensor 221, power module 222, collection appearance mainboard 223. The power supply module 222 is electrically connected with the temperature sensor 221, and the acquisition instrument main board 223 is electrically connected with the temperature sensor 221 and the power supply module 222 respectively. The temperature sensor 221 may be a digital temperature sensor, and the power supply module 222 may be a lithium battery.
Fig. 3 shows a schematic block diagram of a main board of a collector as a temperature collecting device of a slave according to an embodiment of the present invention. As shown in fig. 3, the collector main board 223 of the temperature collector 220 as a slave may be provided with: a main control chip 2231 and a Zigbee communication module 2232. It can be understood that the main control chip 2231 and the Zigbee communication module 2232 may be integrated on the main board 223 of the collection instrument. The Zigbee communication module 2232 may be a chip or an integrated circuit on the main board 223 of the collection instrument for implementing Zigbee communication.
The Zigbee communication module 2232 may be configured to operate in a terminal mode, which is communicatively connected to the temperature collection device 210 as a host.
The master chip 2231 may be configured to: the Zigbee communication module 2232 sends temperature data to the temperature acquisition device 210 serving as the host, and receives the time when the temperature acquisition device 210 serving as the host next performs data acquisition, which is sent by the Zigbee communication module 2232. After receiving the time for next data acquisition sent by the temperature acquisition device 210 serving as the master, the temperature acquisition device 220 serving as the slave is controlled to enter a standby mode, and the temperature acquisition device 220 serving as the slave enters an operating mode when reaching a second data acquisition time, wherein the second data acquisition time is equal to the time for next data acquisition.
That is, after receiving the time for the next data collection sent by the master 210, the master control chip 2231 controls the slave 220 to switch to the standby mode, and keeps the slave in the standby mode until the second data collection time is reached. The master control chip 2231 controls the slave 220 to be in the standby mode before the second data acquisition time, so that the power consumption of the slave can be reduced, the electric energy can be saved, and the slave can work for a longer time under limited electric quantity.
The structure of the temperature acquisition device 210 as the master is basically the same as that of the temperature acquisition device 220 as the slave, and both include a temperature sensor, a power supply module and an acquisition instrument main board, the power supply module is electrically connected with the temperature sensor, and the acquisition instrument main board is electrically connected with the temperature sensor and the power supply module.
Different from the temperature acquisition device 220 as the slave, the main control chip, the Zigbee communication module, and the mobile communication module are disposed on the main board of the acquisition instrument of the temperature acquisition device 210 as the master, and the Zigbee communication module of the temperature acquisition device 210 as the master is configured to operate in the coordinator mode, and the configuration of the main control chip is also different from that of the slave.
Fig. 4 shows a schematic block diagram of a main board of a temperature acquisition device as a host according to an embodiment of the present invention. As shown in fig. 4, the temperature acquisition device 210 as a host has an acquisition instrument main board 213 provided with: a main control chip 2131, a Zigbee communication module 2132, and a mobile communication module 2133. It is understood that the main control chip 2131, the Zigbee communication module 2132, and the mobile communication module 2133 may be integrated on the main board 213 of the collection instrument. The mobile communication module 2133 may be a chip or an integrated circuit on the main board 213 of the acquisition instrument for implementing mobile communication.
Wherein, the Zigbee communication module 2132 is configured to operate in a coordinator mode, and is communicatively connected to the temperature acquisition device 220 as a slave.
The mobile communication module 2133 is in communication with the upper computer subsystem 100.
The main control chip 2131 is configured to:
the temperature data sent by the temperature acquisition device 220 serving as the slave is received by the Zigbee communication module 2132, and is sent to the upper computer subsystem 100 by the mobile communication module 2133; receiving the next time of data acquisition sent by the upper computer subsystem 100 through the mobile communication module 2133, and sending the next time of data acquisition to the temperature acquisition device 220 serving as the slave through the Zigbee communication module 2132; after the time of next data acquisition is sent to the temperature acquisition device 220 as a slave, the temperature acquisition device as a master is controlled to enter a standby mode, and the acquisition device as a master is controlled to enter a working mode when the first data acquisition time is reached, wherein the first data acquisition time is set before the time of next data acquisition. The set time may be set to be between 30 seconds and 60 seconds, for example, 40 seconds and 50 seconds.
That is, after the time of the next data acquisition is transmitted to the temperature acquisition device 220 as the slave, the main control chip 2131 controls the host 210 to switch to the standby mode, and keeps the host 210 in the standby mode until the first data acquisition time is reached. The main control chip 2131 controls the host 210 to be in a standby mode before the first data acquisition time, so that the power consumption of the host can be reduced, the electric energy can be saved, and the host can work for a longer time under limited electric quantity.
The operation of the present invention will be described below.
The working process of the intelligent temperature acquisition system of the embodiment comprises the following steps:
the master 210 establishes a Zigbee network and establishes a communication connection with the slave 220 in response to a network entry request of the slave 220. After the connection is established, the master 210 and the slave 220 enter an operating mode. In the operating mode, the slave 220 collects temperature data and transmits the collected temperature data to the master 210. After receiving the temperature data sent from the slave 220, the master 210 sends the temperature data to the upper computer subsystem 100. After receiving the temperature data sent by the host 210, the upper computer subsystem 100 sends the time for next data acquisition to the host 210. After receiving the next data acquisition time, the master 210 sends the next data acquisition time to the slave 220 in communication with the master 210, and then sets a sleep time according to the next data acquisition time to enter a sleep mode. After receiving the time of next data acquisition, the slave 220 sets a sleep time according to the time of next data acquisition, and enters a sleep mode. After the sleep is finished, the master 210 and the slave 220 are respectively switched from the sleep mode to the working mode, and the temperature collection is continuously and repeatedly performed.
The host and the slave enter the standby mode before the data acquisition time is reached, so that the power consumption can be reduced, and the long-time temperature acquisition can be conveniently carried out only by the built-in power supply module in places where power cannot be supplied.
The particular embodiments disclosed herein are illustrative only, as the invention may be modified in nature and equivalents thereof, apparent to those skilled in the art from the teachings herein, and, thus, the specific embodiments of the invention disclosed above are illustrative only, and are not to be considered in a limiting sense as to the details of construction or design herein disclosed unless otherwise specified in the claims. Accordingly, the particular illustrative embodiments disclosed above are susceptible to various substitutions, combinations or modifications, all of which are within the scope of the disclosure.
Claims (7)
1. An intelligent temperature acquisition system is characterized by comprising an upper computer subsystem and a lower computer subsystem, wherein the upper computer subsystem is connected with the lower computer subsystem through a mobile communication network;
the lower computer subsystem comprises a plurality of temperature acquisition devices, at least one temperature acquisition device in the plurality of temperature acquisition devices serves as a host, the rest temperature acquisition devices serve as slaves, and the host and the slaves are connected through Zigbee.
2. The intelligent temperature acquisition system according to claim 1, wherein the temperature acquisition device as a host comprises:
a first temperature sensor;
the first power supply module is electrically connected with the first temperature sensor;
first collection appearance mainboard, with first temperature sensor with first power module electricity respectively is connected, be provided with on the first collection appearance mainboard:
the first Zigbee communication module is configured to work in a coordinator mode and is in communication connection with the temperature acquisition device serving as a slave;
the mobile communication module is in communication connection with the upper computer subsystem; and
a first master control chip configured to:
the temperature data sent by a temperature acquisition device serving as a slave is received through the first Zigbee communication module, and the temperature data is sent to the upper computer subsystem through the mobile communication module;
receiving the next data acquisition time sent by an upper computer subsystem through the mobile communication module, and sending the next data acquisition time to a temperature acquisition device serving as a slave through the first Zigbee communication module;
after the time for next data acquisition is sent to the temperature acquisition device as the slave, the temperature acquisition device as the master is controlled to enter a standby mode, and the acquisition device as the master is controlled to enter a working mode when the first data acquisition time is reached, wherein the first data acquisition time is set in advance of the time for next data acquisition.
3. The intelligent temperature acquisition system according to claim 2, wherein the temperature acquisition device as a slave comprises:
a second temperature sensor;
the second power supply module is electrically connected with the second temperature sensor;
the second gathers the appearance mainboard, with second temperature sensor with the second power module electricity is connected, be provided with on the second gathers the appearance mainboard:
the second Zigbee communication module is configured to work in a terminal mode and is in communication connection with the temperature acquisition device serving as the host;
a second master chip configured to:
the second Zigbee communication module is used for sending temperature data to the temperature acquisition device serving as the host, and receiving the next time of temperature acquisition sent by the temperature acquisition device serving as the host through the second Zigbee communication module;
after receiving the time of next data acquisition sent by the temperature acquisition device serving as the host, controlling the temperature acquisition device serving as the slave to enter a standby mode, and controlling the temperature acquisition device serving as the slave to enter a working mode when reaching a second data acquisition time, wherein the second data acquisition time is equal to the time of next data acquisition.
4. The intelligent temperature acquisition system of claim 3,
the set time is between 30 seconds and 60 seconds.
5. The intelligent temperature acquisition system of claim 3,
the first power supply module and the second power supply module include lithium batteries.
6. The intelligent temperature acquisition system of claim 3,
the first temperature sensor and the second temperature sensor comprise digital temperature sensors.
7. The intelligent temperature acquisition system according to any one of claims 1-6,
the temperature acquisition device as the master machine and the temperature acquisition device as the slave machine are separately arranged and are respectively arranged in the respective shells.
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| CN202021025754.XU CN212059137U (en) | 2020-06-05 | 2020-06-05 | Intelligent temperature acquisition system |
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| CN202021025754.XU CN212059137U (en) | 2020-06-05 | 2020-06-05 | Intelligent temperature acquisition system |
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