Data acquisition device for freezing and refrigerating equipment of supermarket based on ZigBee technology

Abstract

The utility model relates to the technical field of supermarket freezing and refrigerating equipment, and discloses a ZigBee technology-based data acquisition device for supermarket freezing and refrigerating equipment, which comprises a data processing module, a ZigBee wireless radio frequency module, a data interface module and a power supply module, the data processing module is a microprocessor, and the ZigBee wireless radio frequency module is a ZigBee communication radio frequency chip. According to the utility model, by introducing a data acquisition form based on the ZigBee wireless communication technology, the workload of laying communication lines on a construction site is reduced, and the construction period is shortened; compared with other wireless acquisition schemes, the acquisition nodes are easy to deploy and manage, the anti-interference performance is high, and the data security is high; the system is high in adaptability, can be associated with equipment with a ZigBee function, and can also be associated with equipment with other communication interfaces through an additional module.

Description

Technical Field

[0001] The utility model relates to the technical field of supermarket freezing and refrigeration equipment, in particular to a data acquisition device for supermarket freezing and refrigeration equipment based on ZigBee technology. Background Art

[0002] At present, the data collection points of supermarkets' refrigeration and freezing equipment are mainly scattered in stores, computer rooms and outdoors. Traditional data collection requires the layout of communication cables to connect various data collection points in advance. The on-site wiring construction is cumbersome, and equipment data cannot be collected in areas where it is difficult to set up communication lines. In order to solve the above data collection copper problem pain points, a data collection form based on ZigBee wireless communication technology is introduced to improve the stability of data collection of supermarket refrigeration and freezing equipment, construction convenience, and escort for supermarket data monitoring, equipment management, energy consumption control, etc. Utility Model Content

[0003] The purpose of the utility model is to provide a data acquisition device for supermarket refrigeration equipment based on ZigBee technology to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a data acquisition device for supermarket freezing and refrigeration equipment based on ZigBee technology, comprising a data processing module, a ZigBee wireless radio frequency module, a data interface module, and a power supply module. The data processing module is a microprocessor, the ZigBee wireless radio frequency module is a ZigBee communication radio frequency chip, and the data interface module includes an Ethernet module, an RS485 module, a LoRa wireless module, a 4G / 5G wireless module, a WIFI wireless module, and a Bluetooth module.

[0005] The signal end of the microprocessor is bidirectionally connected to the signal end of the ZigBee communication radio frequency chip, the signal end of the microprocessor is respectively connected to the Ethernet module, the 4G / 5G wireless module, the WIFI wireless module, and the Bluetooth module, the signal end of the ZigBee communication radio frequency chip is respectively bidirectionally connected to the signal ends of the RS485 module and the LoRa wireless module, and the power supply module is respectively electrically connected to the microprocessor and the ZigBee communication radio frequency chip.

[0006] Preferably, the ZigBee nodes in the ZigBee wireless radio frequency module include a customer data management platform, a coordinator node, a router node, each terminal controller node and each terminal data collection node.

[0007] Preferably, the customer data management platform interacts with the coordinator node through an Ethernet module, a 4G / 5G wireless module, a WIFI wireless module, and a Bluetooth module.

[0008] Preferably, the coordinator node is wirelessly connected to each terminal controller node and each terminal data collection node respectively.

[0009] Preferably, each terminal controller node includes a thermostat, unit controller, anti-dew controller, lighting controller, and electric energy meter of a refrigerator / cold storage / air conditioner, etc., wherein the thermostat, unit controller, anti-dew controller, lighting controller, and electric energy meter of a refrigerator / cold storage / air conditioner, etc. all have built-in ZigBee function.

[0010] Preferably, each terminal data collection node includes a thermostat, a unit controller, an anti-dew controller, a lighting controller, and an electric energy meter of a refrigerator / cold storage / air conditioner, etc., wherein the thermostat, the unit controller, the anti-dew controller, the lighting controller, and the electric energy meter of the refrigerator / cold storage / air conditioner, etc. do not have a ZigBee function.

[0011] Preferably, the coordinator node and the router node, the router node and each terminal controller node and each terminal data collection node can form a tree network. When the line is long, the communication can be relayed through the router node, and the router node can also collect data.

[0012] The utility model provides a data acquisition device for supermarket refrigeration equipment based on ZigBee technology. It has the following beneficial effects:

[0013] (1) The utility model designs ZigBee wireless communication technology and uses ZigBee technology as a data collection form to improve the data collection stability and construction convenience of supermarket refrigeration and freezing equipment, thereby providing protection for supermarket data monitoring, equipment management, energy consumption control, etc.

[0014] (2) The utility model reduces the workload of laying communication lines on the construction site and shortens the construction period by introducing a data collection method based on ZigBee wireless communication technology. Compared with other wireless collection solutions, the collection nodes are easy to deploy and manage, have strong anti-interference ability, and have high data security. The system has high adaptability and can be associated with devices with built-in ZigBee functions, as well as with devices with other communication interfaces through additional modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the network topology diagram of the data collection equipment for supermarket refrigeration and freezing equipment of the utility model;

[0016] Figure 2 This is a schematic diagram of the circuit structure of the utility model;

[0017] Figure 3 This is the circuit diagram of the utility model device. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The preferred embodiment of the data acquisition device for supermarket refrigeration equipment based on ZigBee technology provided by the utility model is as follows Figure 1-3 As shown: A data acquisition device for supermarket refrigeration equipment based on ZigBee technology, including a data processing module, a ZigBee wireless radio frequency module, a data interface module, and a power supply module. The data processing module is a microprocessor, the ZigBee wireless radio frequency module is a ZigBee communication radio frequency chip, and the data interface module includes an Ethernet module, an RS485 module, a LoRa wireless module, a 4G / 5G wireless module, a WIFI wireless module, and a Bluetooth module;

[0021] By designing ZigBee wireless RF module, using TI's CC2430 / CC2530, the advantages are: low cost, low power consumption, many network nodes, long transmission distance, excellent wireless receiving sensitivity and strong anti-interference; the encryption algorithm uses AES-128bit mode with strong data confidentiality performance;

[0022] By designing the data interface module, RS485 module, Can bus module, Ethernet module, LoRa wireless module, 4G / 5G wireless module, WIFI wireless module, Bluetooth module and other communication interfaces can be integrated according to different customer needs, and various external communication protocols can be adapted;

[0023] The signal end of the microprocessor is bidirectionally connected to the signal end of the ZigBee communication radio frequency chip, the signal end of the microprocessor is respectively connected to the Ethernet module, the 4G / 5G wireless module, the WIFI wireless module, and the Bluetooth module, the signal end of the ZigBee communication radio frequency chip is respectively bidirectionally connected to the signal end of the RS485 module and the LoRa wireless module, and the power supply module is respectively electrically connected to the microprocessor and the ZigBee communication radio frequency chip;

[0024] Among them, the ZigBee nodes in the ZigBee wireless radio frequency module include a customer data management platform, a coordinator node, a router node, each terminal controller node and each terminal data collection node;

[0025] The customer data management platform interacts with the coordinator node through Ethernet module, 4G / 5G wireless module, WIFI wireless module, and Bluetooth module;

[0026] The coordinator node is wirelessly connected to each terminal controller node and each terminal data acquisition node;

[0027] Each terminal controller node includes a thermostat, unit controller, anti-dew controller, lighting controller, and electric energy meter for a refrigerator / cold storage / air conditioner, etc. Among them, the thermostat, unit controller, anti-dew controller, lighting controller, and electric energy meter for a refrigerator / cold storage / air conditioner, etc. all have built-in ZigBee functions;

[0028] Each terminal data collection node includes the temperature controller, unit controller, anti-dew controller, lighting controller, and electric energy meter of the refrigerator / cold storage / air conditioner, among which the temperature controller, unit controller, anti-dew controller, lighting controller, and electric energy meter of the refrigerator / cold storage / air conditioner do not have ZigBee function;

[0029] A tree network can be formed between the coordinator node and the router node, the router node and each terminal controller node, and each terminal data collection node. When the line is long, communication can be relayed through the router node, and the router node can also collect data.

[0030] Through the role allocation of ZigBee nodes in supermarkets, among them, the coordinator node is responsible for the networking and management of the network, and can access the customer's data management platform through Ethernet port, 4G / 5G wireless module, WIFI wireless module and other communication interfaces; router node: transit role, it is also a node itself, and can expand long-distance communication relay; each terminal controller node: controller of refrigeration and freezing equipment with ZigBee function (thermostat of refrigerator / cold storage / air conditioner, etc., unit controller, anti-dew controller, lighting controller, energy data system, etc.); each terminal data acquisition node: if the controller of refrigeration and freezing related equipment itself does not have ZigBee function, the terminal node can be equipped with data transmission function matching this equipment (such as RS485, Can, LoRa, wifi, Bluetooth, etc.); the networking mode is selected according to the scale of the supermarket and the equipment layout mode: star network, tree network, mesh network.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A data acquisition device for supermarket refrigeration equipment based on ZigBee technology, comprising a data processing module, a ZigBee wireless radio frequency module, a data interface module, and a power supply module, characterized in that: The data processing module is a microprocessor, the ZigBee wireless radio frequency module is a ZigBee communication radio frequency chip, and the data interface module includes an Ethernet module, an RS485 module, a LoRa wireless module, a 4G / 5G wireless module, a WIFI wireless module, and a Bluetooth module; The signal end of the microprocessor is bidirectionally connected to the signal end of the ZigBee communication radio frequency chip, the signal end of the microprocessor is respectively connected to the Ethernet module, the 4G / 5G wireless module, the WIFI wireless module, and the Bluetooth module, the signal end of the ZigBee communication radio frequency chip is respectively bidirectionally connected to the signal ends of the RS485 module and the LoRa wireless module, and the power supply module is respectively electrically connected to the microprocessor and the ZigBee communication radio frequency chip.

2. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 1, characterized in that: The ZigBee nodes in the ZigBee wireless radio frequency module include a customer data management platform, a coordinator node, a router node, each terminal controller node and each terminal data collection node.

3. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 2, characterized in that: The customer data management platform interacts with the coordinator node through an Ethernet module, a 4G / 5G wireless module, a WIFI wireless module, and a Bluetooth module.

4. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 2, characterized in that: The coordinator node is wirelessly connected to each terminal controller node and each terminal data collection node.

5. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 2, characterized in that: Each terminal controller node includes a thermostat, a unit controller, an anti-dew controller, a lighting controller, and an electric energy meter of a refrigerator / cold storage / air conditioner, wherein the thermostat, the unit controller, the anti-dew controller, the lighting controller, and the electric energy meter of the refrigerator / cold storage / air conditioner all have a built-in ZigBee function.

6. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 2, characterized in that: The terminal data collection nodes include the temperature controller, unit controller, anti-dew controller, lighting controller and electric energy meter of the refrigerator / cold storage / air conditioner, among which the temperature controller, unit controller, anti-dew controller, lighting controller and electric energy meter of the refrigerator / cold storage / air conditioner do not have ZigBee function.

7. The data acquisition device for supermarket refrigeration equipment based on ZigBee technology according to claim 2, characterized in that: The coordinator node and the router node, the router node and each terminal controller node and each terminal data collection node form a tree network. When the line is long, the communication is relayed through the router node, and the router node collects data.

Images