KR200259406Y1 - Control system for temperature and/or humidity of cargo of vehicle conveying foodstuffs and/or medical supplies - Google Patents

Abstract

The present invention relates to a temperature and humidity control system of a storage for food and drug carrier vehicles; Sensor for measuring the temperature and / or humidity installed inside the reservoir, freezer and heater to maintain the temperature and / or humidity in the reservoir as required, a controller that can be inserted into the driver's dashboard in the form of a case A system configured, the controller comprises: a power input unit; Sensor signal input unit; A setting environment storage unit for storing initial temperature and / or humidity, a control command storage unit for storing a control method or an output method, and an operation data storage unit for storing data related to the operation of the reservoir; A communication interface for wired and wireless communication with an external device such as a wireless mobile terminal, a personal computer, a loader, etc .; A display unit for displaying an initial state of the storage and / or a current operating state; A microprocessor for controlling the first half of the controller; A key input unit; And a control signal output unit for outputting a control signal to a relay for turning on / off various devices such as a refrigerator.

Description

Control system for temperature and / or humidity of cargo of vehicle conveying foodstuffs and / or medical supplies

The present invention relates to a temperature and humidity control system of a storage, and more specifically, to control the temperature and / or humidity inside the storage of a vehicle carrying food, medicine, etc., and to exchange data related to the external system. A temperature / humidity control system for a storage for food and pharmaceutical transport vehicles.

As logistics services become more advanced and diversified, accurate and precise management of transport or storage is required. Generally, a transport vehicle (hereinafter, referred to as a refrigeration vehicle) equipped with a refrigerated and built-in storage cell is widely used for this purpose. Although it is common to install a thermostat to maintain a constant temperature in the storage, the package is often deteriorated due to instability or failure of the refrigeration system. In this case, there is a case where the responsible material between the consignor manufacturer and the consignor carrier is unclear.

In a situation where various foods and medicines, which are difficult to transport and store, are transported and distributed throughout the country, the distribution of a system that can reliably create an optimal indoor environment for the package and guarantee these services is ensured. It was desperate.

In response to the above requirements, the conventional system has been inconvenient to use because the information about the environment in the storage and the devices for controlling it are confusingly placed around the dashboard of the vehicle, and all the required functions, for example, the printing function or the wireless There was no case where the communication function was performed.

Different packages require different environments, such as the required temperature or humidity of the store. If the package can be supplied to consumers, etc. in an optimal state, it will be a great hygiene and economic benefit for consumers and suppliers.

The purpose of the present invention for the above problems is to carry out a systematic and reliable management by mounting a variety of functions, such as printer function, wireless communication function, and can be easily installed and used, food and drug transport vehicle that can contribute to the driver's safe operation An object of the present invention is to provide a temperature and humidity control system for a reservoir.

1 is a block diagram showing the overall configuration of a system according to an embodiment of the present invention.

2 is a block diagram showing the circuit configuration of the controller.

3 is a perspective view of a controller according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

2 ; Controller 24; Sensor signal input

26; Temperature and humidity sensor 32; Setting environment storage

34; Control command storage unit 36; Operation data storage

38; Communication interface 40; Display

42; Microprocessor 44; Key input section

46; Control signal output unit 48; Alarm

The above object is provided in the form of a sensor for measuring the temperature and / or humidity installed in the reservoir, a refrigerator, a heater, a case for maintaining the temperature and / or humidity in the reservoir as required and mounted in the driver's seat As a system composed of controllers,

The controller includes a power input unit; A sensor signal input unit including an amplifier for receiving and amplifying a sensor signal from the sensor and an A / D converter for converting the amplified signal into a digital signal; The setting environment storage unit for storing the initial temperature and / or humidity of the storage selectively set by the user, the control command storage unit for storing the control method or output method of the controller, the storage cost such as temperature or humidity An operation data storage unit for storing data related to a current or past state that is actually operated; A communication interface for wired and wireless communication with an external device such as a wireless mobile terminal, a personal computer, a loader, etc .; A digital display unit for visually displaying setting of an initial state of a storage and / or a current operating state; A microprocessor that controls the first half of the controller according to a command signal applied from the outside and a program stored in the program; A key input unit for inputting a command signal to the microprocessor by manual operation of a driver; Temperature and humidity control system of the food and drug transport vehicle reservoir, characterized in that it comprises a control signal output unit for outputting a control signal to a relay for turning on and off the various devices such as the refrigerator for controlling the environment of the reservoir. Is achieved by.

According to the present invention, the case-shaped controller has a frame to be inserted into one point of the dashboard of the vehicle driver's seat.

In addition, according to the present invention, it may further include an alarm unit to notify the driver when the system is abnormal.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a block diagram showing the overall configuration of a system according to an embodiment of the present invention. 2 is a block diagram showing the circuit configuration of the controller. 3 is a perspective view of a controller according to an embodiment of the present invention.

The temperature / humidity control system of the food and drug transport vehicle storage can exchange or output data with a mobile terminal 2, a PC 4 or a printer 6 such as a portable loader through a communication interface. It is a system that basically includes a controller (2) capable of starting the refrigerating machine (10), the defroster (12) and the like mounted on the transport vehicle through the relay (18). The system can be extended to the manager system 16 through the Internet network 14 using a modem provided in the wireless mobile terminal. The manager system may be a logistics service provider or a food and drug supplier management system.

The controller 2 may store and record all data of the transport process, and may output or transmit the record to the outside. The operator or logistics service provider can input the optimum environment required by the package to the controller, and the controller can automatically control the refrigeration system based on that. Here, the refrigeration system refers to a compressor, a condenser, a defroster, and an air conditioner for a refrigerator.

The apparatus configuration of the controller for performing the above functions will be described with reference to FIG.

The controller 2 is provided in the form of a case as shown in FIG. 3 and inserted into the driver's seat dashboard of the vehicle.

The power input unit 20 generally receives power from a vehicle battery, and in some cases, the power input unit 20 may be supplied from a separate power supply 22 such as a generator provided in a vehicle for safety of a storage or the like.

The sensor signal input unit 24 receives a signal from a temperature / humidity sensor 26 installed in the storage, an amplifier 28 for amplifying the signal to an appropriate level, and A for converting the amplified analog signal into a digital signal. / D converter 30, ADC is included. The current information in the storage changed into a digital signal is used as a means for issuing a predetermined control command by comparing with a preset reference signal.

The setting environment storage unit 32 is for storing the initial temperature and / or humidity of the storage, which is selectively set by the user, and a conventional electrically erasable programmable read-only memory (EEPROM) may be used. The operator may set and store an optimal storage environment of the package through the setting environment storage unit.

The control command storage unit 34 is for storing a control method or an output method of the controller, and an EEPROM capable of free re-input may also be used. This allows the user to set the margin of error for the desired environment. For example, if the user sets the desired temperature of the reservoir at 4 ° C., it is possible to set whether the refrigeration system or the heater is automatically started or stopped when the temperature of the reservoir reaches 4 ° C. ± X ° C.

The operation data storage unit 36 is also used to store data related to the current or past state in which the storage is actually operated, such as temperature or humidity, and EEPROM may also be used. The memory may store and store the product code (if set) of the package, transport distance, transport time, environmental changes such as temperature and humidity in the reservoir during transportation, and driver code (if set). Such information may be output to an external system in various ways by a pre-programmed program as described below.

Occasionally, logistics services can be enhanced by allowing consignees to present their transport records on the fly. To this end, the vehicle may be equipped with printing means such as a portable loader (8, loader). The loader will be able to output live-action output in graphical form that is displayed in a time series for clarity.

The communication interface 38 is for wired / wireless data communication with external devices or systems such as a mobile terminal 4, a mobile phone, a personal computer 6, a PC, a loader, etc., which can be connected via a jack and a cable. will be. The controller may be connected to the Internet network using a modem provided by the wireless mobile terminal, and furthermore, the controller may be backed up predetermined data from an administrator system connected to the Internet network, or may transmit predetermined data.

The display unit 40 is a means for digitally displaying the setting of the initial state of the storage and / or the current operating state, and the like, but a light emitting diode (LED) is basically used, but not limited thereto. ) May be employed. A display unit that can display temperature, humidity, setting mode, etc. with four digits can be installed in front of the controller.

A microprocessor 42 (hereinafter referred to as a control unit) having its own operating system is connected to each of the parts described above to control the overall details of the controller.

On the front of the controller case, a key input unit 44 for inputting a command signal to the control unit is provided along with a display unit by manual operation of a driver. As an input means, a button method is used, and a touch panel method may also be generally employed.

The control signal for substantially adjusting the environment in the storage to an external command or a previously input control command is applied to the relay 18 through the control signal output unit 46. The relay is a switch for turning on and off various devices (such as a refrigerator, a heater, a defroster, and an air conditioner) such as the refrigerator for creating an environment of a storage, and may include a fuse for protecting against electric shock from the outside.

According to another embodiment of the present invention, a navigation system may be additionally provided to determine the location of the transport vehicle in real time. This allows the manager to respond appropriately to the current situation. For example, the vehicle may be assisted by driving quickly by notifying the driver of road conditions in progress. The navigation system as described above may be employed that is conventionally widely used. On the other hand, since the digital clock 41 driven by the self-built battery is provided in the apparatus, time data can be utilized.

In addition, the controller is further provided with an alarm unit 48 for checking the situation of the abnormality in the system to warn the driver and / or administrator. As the alarm system, a buzzer, a lamp, or the like may be selectively or used in combination.

Referring to Figure 3 will be described the configuration and function of the operation unit and the display unit provided on the front of the controller.

The operation panel 60 is provided with a power switch 62 and an on / off switch 64 of the air conditioner on one side. The four switches 66 located at the center respectively adjust the mode setting switch for selecting the set temperature, the defrost time, the defrost switch for operating the defroster, and the adjustment for adjusting the set value of the set temperature or the defrost time upward or downward. The switch is placed. The display portion is protected by the transparent plastic cover plate 68. The user can see the numbers or letters through the cover plate 68. A jack 70 for plugging a pin connector is provided, through which data is exchanged with a mobile communication terminal, a PC, or a loader. According to the present invention is a structure that can be connected to the 6-pin jack. A light emitting diode is used to provide various signal lamps, which indicate whether the refrigerator, the defroster, or the air conditioner are operated.

According to an embodiment of the present invention, the case 50 having a built-in controller may be inserted into the driver's seat dashboard of the vehicle in the same manner as a car stereo. To this end, the case 50 has a flat shape, and the input unit and the display unit are concentrated on the front surface. Further, brackets 54 having bolt holes 52 are formed integrally with the case on both sides of the case.

According to another embodiment of the present invention, the bracket 54 is formed so that its shape can be easily changed. This is a means for universal application to vehicles having different console boxes. That is, the user can insert the controller into a vehicle having a different size and structure by removing the bracket of the structure that can be easily cut.

The controller according to the present invention has a program for delaying the evaporator stop time for the utilization of the remaining cold air when the freezer is stopped after operation. In addition, when an abnormality occurs in the condenser, a program for stopping the compressor is mounted. In addition, there is a program for preventing the overload during the initial operation of the refrigerator by delaying the compressor operation time during the initial freezer operation.

According to the above configuration, there is provided an optimal system for transporting food or medicines that are sensitive to the environment of the reservoir, such as temperature and humidity. The supplier can be provided with reliable logistics services, and the consumer can be supplied with food or medicines stored in optimal condition. In addition, when the damage occurs, the responsibility for the material can be clarified, which reduces the possibility of dispute. In addition, in the driver of the transport vehicle, it is not cumbersome to install the controller, so that safe driving can be performed. In addition, since the manager system can control the storage environment of the driving vehicle located at a remote location by using the communication means, it is possible to provide more precise logistics services.

Claims (3)

The system consists of a sensor for measuring the temperature and / or humidity installed in the reservoir, a refrigerator, a heater and a controller mounted in the driver's seat for the case to maintain the temperature and / or humidity of the reservoir as required. As The controller includes a power input unit; A sensor signal input unit including an amplifier for receiving and amplifying a sensor signal from the sensor and an A / D converter for converting the amplified signal into a digital signal; A setting environment storage unit for storing the initial temperature and / or humidity of the storage selectively set by a user; A control command storage unit for storing a control method or an output method of the controller; An operation data storage unit for storing data related to a current or past state in which the storage is actually operated, such as temperature or humidity; A communication interface for wired and wireless communication with an external device or system such as a wireless mobile terminal, a personal computer, a loader, or the like; A digital display for visually displaying the initial state of the storage and / or the current operating state; A microprocessor that controls the first half of the controller according to a command signal applied from the outside and a program stored in the program; A key input unit for inputting a command signal to the microprocessor by manual operation of a driver; And a control signal output unit for outputting a control signal to a relay for turning on / off various devices such as the refrigerator for controlling the environment of the reservoir. According to claim 1, wherein the case-shaped controller is a flat form to be inserted into one point of the dashboard of the vehicle driver's seat, and both sides are provided with a bracket to be fixed by a bolt Temperature and humidity control system for transportation vehicle storage. The temperature and humidity control system according to claim 1, wherein the controller further comprises an alarm unit for warning when there is an abnormality such as the refrigerator or the heater.