Remote monitoring equipment for refrigerated container

Abstract

The utility model relates to the technical field of remote monitoring of refrigerated containers, in particular to remote monitoring equipment for refrigerated containers, which comprises a control mainboard, a fresh air mechanism and a refrigerating unit, the control mainboard is in serial communication connection with a communication mainboard, and the communication mainboard is connected to a server through 4G communication. The control main board is electrically connected with the fresh air mechanism through a cable, the control main board is in serial communication connection with a refrigerator main board of the refrigerating unit, and the control main board is connected with a temperature sensor and a humidity sensor through data transmission lines. The system has the advantages that the control main board transmits container data to a remote server through the communication main board in a 4G communication mode, the environment in the container is monitored in real time, an instruction can be transmitted to the control main board through the communication main board, and therefore the operation state of the refrigerating unit is adjusted, and the temperature, humidity and temperature in the container are controlled by controlling starting and stopping of the fresh air mechanism. And the content of oxygen and carbon dioxide is adjusted, so that the purpose of remote control is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of remote monitoring of refrigerated containers, in particular to remote monitoring equipment for refrigerated containers. Background Art

[0002] With the development of China-Europe trains, a large number of refrigerated containers are shipped for railway use. Refrigerated containers are special containers with good insulation and can maintain a certain low temperature requirement, suitable for the transportation and storage of various perishable foods. They are specially designed for transporting frozen goods or low-temperature goods that require a certain temperature to be maintained, and are suitable for loading meat, fruit and other goods.

[0003] However, the existing refrigerated containers for railway transportation cannot remotely monitor the transportation process of the refrigerated containers when they are transported by railway, so the status of the goods during transportation is relatively uncontrollable. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical defects described in the background technology.

[0005] To this end, one purpose of the utility model is to provide a remote monitoring device for a refrigerated container, aiming to solve the problem in the prior art that refrigerated containers for railway transportation cannot be remotely monitored, resulting in uncontrollable status of goods during transportation.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a refrigerated container remote monitoring device, including a control mainboard, a fresh air mechanism and a refrigeration unit, the control mainboard is serially connected to a communication mainboard, the communication mainboard is connected to a server via 4G communication, the control mainboard is electrically connected to the fresh air mechanism via a cable, the control mainboard is serially connected to a refrigeration mainboard of the refrigeration unit, and the control mainboard is connected to a temperature sensor, a humidity sensor and an oxygen and carbon dioxide sensor via a data transmission line.

[0007] Beneficial effects:

[0008] The temperature sensor, humidity sensor and oxygen and carbon dioxide sensor transmit the temperature and humidity data of the environment inside the box, as well as the oxygen and carbon dioxide content in real time to the control main board. The control main board transmits the data to the remote server through the communication main board via 4G communication, thereby remotely monitoring the environment inside the box in real time, and can send instructions to the communication main board remotely through 4G communication through the server. The communication main board transmits the instructions to the control main board, thereby adjusting the operating status of the refrigeration unit to achieve the purpose of setting the temperature inside the box, and controlling the start and stop of the fresh air mechanism through the control main board to achieve the adjustment of the humidity inside the box, as well as the oxygen and carbon dioxide content, thereby achieving the purpose of remote control.

[0009] Preferably, the refrigeration unit adopts a refrigeration unit of model Thermo King T1200R, which includes a generator and a battery. The battery of the refrigeration unit is electrically connected to the control main board via a cable, and the generator of the refrigeration unit is connected to the oil tank via an oil pipe. An oil level sensor is arranged in the oil tank, and the oil level sensor is connected to the control main board via a data transmission line.

[0010] Preferably, any of the above solutions is that the control mainboard is connected to a positioning module via serial communication.

[0011] Beneficial effects:

[0012] The positioning module can obtain the real-time positioning of the cold box, so that the consignor and consignee can know the specific location of the goods in real time.

[0013] Preferably, any of the above solutions is that the control mainboard is connected to a door status sensor via a data transmission line.

[0014] Beneficial effects:

[0015] The door status sensor is installed on the box door. It can obtain the signal whether the box door is closed and the time when the box door is opened, so as to determine whether someone has opened the box door privately during the journey and ensure the safety of the goods.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 The utility model is a schematic diagram of the data transmission line structure. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and 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] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The utility model provides a remote monitoring device for a refrigerated container.

[0022] Embodiment 1:

[0023] like Figure 1 As shown, it includes a control mainboard, a fresh air mechanism and a refrigeration unit. The control mainboard is serially connected to a communication mainboard. The communication mainboard is connected to a server through 4G communication, communicates with the server, and sends and receives messages. The control mainboard is electrically connected to the fresh air mechanism through a cable. The server can send instructions to the control mainboard so that the control mainboard controls the start and stop of the fresh air mechanism. The control mainboard is serially connected to a refrigeration mainboard of the refrigeration unit. The server can send instructions to the control mainboard so that the control mainboard controls the start and stop of the refrigeration unit through the refrigeration mainboard. The control mainboard is connected to a temperature sensor, a humidity sensor and an oxygen and carbon dioxide sensor through a data transmission line. The temperature sensor, the humidity sensor and the oxygen and carbon dioxide sensor are installed inside the refrigerated container, and can obtain the ambient temperature and humidity data in the box, as well as the oxygen and carbon dioxide content in real time, and transmit the data to the control mainboard, which then sends the data to the server through the communication mainboard, thereby achieving the purpose of remote monitoring.

[0024] Embodiment 2:

[0025] like Figure 1 As shown, on the basis of Example 1, the refrigeration unit adopts a refrigeration unit of model King Thermo T1200R, which includes a generator and a battery. The generator can charge the battery. The battery of the refrigeration unit is electrically connected to the control main board through a cable to provide power to the control main board so that the control main board can work normally. The generator of the refrigeration unit is connected to the oil tank through an oil pipe. An oil level sensor is arranged in the oil tank. The oil level sensor is connected to the control main board through a data transmission line. The oil amount in the oil tank can be remotely monitored. When the oil amount in the oil tank is low, refueling at the corresponding stop can be planned in advance.

[0026] Further preferably, the control mainboard is serially connected to a positioning module, which can obtain the real-time location of the cold box and pass the location information to the control mainboard, and then transmit it to the server through the communication mainboard, so that the consignor and consignee can understand the specific location of the goods in real time.

[0027] Further preferably, the control main board is connected to a door status sensor via a data transmission line. The door status sensor is installed on the box door and can obtain a signal indicating whether the box door is closed and the time when the box door is opened, thereby determining whether someone has opened the box door without permission during the journey to ensure the safety of the goods.

[0028] The working principle of the utility model is as follows: when the refrigerated container is being transported, the temperature sensor, humidity sensor and oxygen and carbon dioxide sensor installed in the box transmit the temperature and humidity data of the environment in the box, as well as the oxygen and carbon dioxide content in real time to the control main board, and the control main board transmits the data 4G communication to the remote server through the communication main board, so as to monitor the environment in the box in real time, and then send corresponding instructions to the control main board remotely according to the corresponding data, so that the control main board controls the operating status of the refrigeration unit and sets the temperature in the box. When transporting fresh goods, it can determine whether to turn on the fresh air mechanism according to the detected oxygen and carbon dioxide content. By controlling the start and stop of the fresh air mechanism, the humidity in the box can be adjusted. In addition, by circulating the air inside and outside the box, the oxygen and carbon dioxide content in the box can be adjusted, thereby keeping the fresh goods fresh.

Claims

1. A remote monitoring device for a refrigerated container, comprising a control mainboard, a fresh air mechanism and a refrigeration unit, characterized in that: The control mainboard is connected to the communication mainboard via serial communication, the communication mainboard is connected to the server via 4G communication, the control mainboard is electrically connected to the fresh air mechanism via a cable, the control mainboard is connected to the refrigerator mainboard of the refrigeration unit via serial communication, and the control mainboard is connected to a temperature sensor, a humidity sensor, and an oxygen and carbon dioxide sensor via a data transmission line; The refrigeration unit includes a generator and a battery. The battery of the refrigeration unit is electrically connected to the control mainboard through a cable. The generator of the refrigeration unit is connected to the oil tank through an oil pipe. An oil level sensor is arranged in the oil tank, and the oil level sensor is connected to the control mainboard through a data transmission line.

2. The refrigerated container remote monitoring device according to claim 1, characterized in that: The refrigeration unit adopts a refrigeration unit of model Thermo King T1200R.

3. The refrigerated container remote monitoring device according to claim 1, characterized in that: The control mainboard is connected to the positioning module via serial communication.

4. The refrigerated container remote monitoring device according to claim 1, characterized in that: The control mainboard is connected with a door status sensor via a data transmission line.

Images