KR200324717Y1 - Temperature information transfer apparatus and system with wireless communication - Google Patents

Abstract

The present invention relates to a temperature information transmitting apparatus and system, and more particularly, to a temperature information transmitting apparatus and system using wireless communication that transmits temperature information of a refrigeration / refrigerated vehicle to a management terminal through wireless communication to facilitate its management and storage. It is about.

The temperature information transmission apparatus using the wireless communication of the present invention is a temperature sensor for generating a temperature signal by measuring the temperature in the refrigeration / refrigeration vehicle, signal processing means for signal processing the temperature signal into temperature data through the temperature sensor; A memory for storing the temperature data, a receiving end for receiving a vehicle temperature request signal from a management terminal by wireless communication, recording the temperature data in a memory, and reading temperature data from the memory in response to the vehicle temperature request signal. And a microprocessor for generating temperature information data including the temperature data, and a transmitter for receiving the temperature information data from the microprocessor and transmitting the temperature information data to the management terminal through wireless communication.

Description

TEMPERATURE INFORMATION TRANSFER APPARATUS AND SYSTEM WITH WIRELESS COMMUNICATION}

The present invention relates to a temperature information transmitting apparatus and system, and more particularly, to a temperature information transmitting apparatus and system using wireless communication that transmits temperature information of a refrigeration / refrigerated vehicle to a management terminal through wireless communication to facilitate its management and storage. It is about.

Agricultural and marine products, including dairy products, must be kept at a predetermined temperature during transportation from the place of production to the place of consumption to maintain their freshness and to prevent rot and deterioration. Will be transported.

Vehicles installed in such refrigeration / refrigerated vehicles often require monitoring of whether a driver or an operator maintains the temperature of the refrigerated / refrigerated vehicle at an appropriate temperature for transportation. That is, the record of the temperature in the refrigeration / refrigerated vehicle is stored and shipped

There is a need for a device that can give consumers confidence in the freshness of agricultural products, and managers can manage agricultural products efficiently.

1 is a block diagram of a temperature recording apparatus according to the prior art. As shown in FIG. 1, the temperature recording device 10 is installed in a refrigeration / refrigeration device installed in a vehicle, and measures a temperature therein at predetermined time intervals to generate a temperature signal, and An analog / digital converter 12 for sampling a temperature signal, which is an analog signal, and converting it into temperature data, which is digital data, a memory 13 for storing temperature data, and temperature data are inputted from the analog / digital converter 12. A microprocessor 14 for receiving and storing in the memory 13, a printer 15 for outputting temperature data, and an output button 16 for generating a temperature data output signal for outputting temperature data.

This output button 16 is operated by a driver or an administrator, and this temperature data output signal is transmitted to the microprocessor 14, which is sent to the memory 13 in accordance with this temperature data output signal. The stored temperature data is read and transmitted to the printer 15 to be printed.

In this prior art, a problem arises in that the temperature data printed on paper is gradually erased by the printing method over time or by sunlight. In addition, in the case of managing the printed paper, if the amount is excessive, there is a problem in storage, and the risk of loss is a big problem.

Accordingly, an object of the present invention is to provide an apparatus and system for transmitting temperature information using wireless communication which can store temperature data almost permanently in a predetermined storage medium.

In addition, an object of the present invention is to provide a temperature information transmission apparatus and system using wireless communication, by storing the temperature information in a storage medium in a separate place other than the vehicle, there is no fear of problems or loss of the amount. .

In addition, an object of the present invention is to provide a temperature information transmission apparatus and system using wireless communication to collectively receive and manage the temperature information of the refrigeration / refrigeration vehicle moving nationwide.

In addition, an object of the present invention is to provide an apparatus and system for transmitting temperature information using wireless communication, which enables the clock to be reset using the time signal of a radio to obtain an accurate temperature measurement time.

In addition, an object of the present invention is to provide an apparatus and system for transmitting temperature information using wireless communication that enables voice signals between a management terminal and a vehicle to be bidirectionally communicated.

In addition, an object of the present invention is to provide an apparatus for transmitting temperature information using wireless communication, which enables a driver or an administrator to easily search for past measured temperatures through a display.

In addition, an object of the present invention is to provide a temperature information providing system using a network that can provide temperature information of a desired refrigeration / refrigeration vehicle to a plurality of users.

1 is a block diagram of a temperature recording apparatus according to the prior art.

2 is a conceptual diagram of a temperature information transmission system according to the present invention.

3 is a block diagram of a temperature information transmission apparatus according to the present invention.

4 is a configuration diagram of another embodiment of a temperature information transmitting apparatus according to the present invention.

5 is a configuration diagram of yet another embodiment of a temperature information transmitting apparatus according to the present invention.

Figure 6a is a block diagram of another embodiment of a temperature information transmitting apparatus according to the present invention.

FIG. 6B illustrates some data stored in a memory of the temperature information transmitting device according to FIG. 6A.

7 is a conceptual diagram of another embodiment of a temperature information transmission system according to the present invention.

8 is a conceptual diagram of a temperature information providing system according to the present invention.

<Explanation of symbols for the main parts of the drawings>

21: temperature sensor 22: A / D conversion unit

23: memory 24: microprocessor

25, 42, 62: clock 26: receiver

27: demodulator 28: modulator

29: transmitting unit 30: management terminal

41: clock control means 43: radio

44: time signal detection circuit 64: temperature search means

66: display

Temperature information transmission apparatus using a wireless communication of the present invention is a temperature sensor for generating a temperature signal by measuring the temperature in the refrigeration / refrigeration vehicle; Signal processing means for processing the temperature signal into temperature data through the temperature sensor; A memory for storing the temperature data; A receiving terminal for receiving a vehicle temperature request signal from the management terminal through wireless communication; A microprocessor for recording the temperature data in a memory, and in response to the vehicle temperature request signal, reading temperature data from the memory and generating temperature information data including the temperature data; The transmitter receives the temperature information data from the microprocessor and transmits the wireless terminal to the management terminal through wireless communication.

In this case, the signal processing means includes an analog / digital converting unit for sampling the temperature signal from the temperature sensor and converting it into the temperature data which is digital data.

The temperature information transmitter further includes a clock, wherein the microprocessor causes the temperature sensor to measure temperature at a predetermined measurement time interval, and the microprocessor reads the measurement date and time of the temperature from the clock. It is preferable to write to the memory additionally.

In addition, the memory stores the vehicle identification number of the refrigeration / refrigeration vehicle,

The temperature information data preferably includes the temperature data, the date and time of measurement thereof, and the vehicle identification number. In addition, the temperature information data preferably further includes an error correction code.

The microprocessor deletes the temperature data recorded in the memory when the temperature information data is transmitted by the transmitting terminal and then receives the confirmation signal from the management terminal.

The temperature information transmitting apparatus may further include clock control means for setting the time of the clock according to a time setting signal from the microprocessor, and a time signal detecting circuit for detecting a time signal from a radio. Receiving the time signal signal detected by the time signal detecting circuit generates a time setting signal and transmits it to the clock control means.

The temperature information transmitter further includes a microphone and a speaker, and the microprocessor receives a voice signal transmitted from the management terminal through the receiver, outputs the voice signal to the speaker, and outputs the voice signal input from the microphone. Send to the management terminal.

In addition, the temperature information transmitting apparatus displays temperature search means for generating a search command for searching a temperature stored in the memory according to an external input from a user, and temperature data corresponding to the search command generated in the temperature search means. And a display unit, wherein the microprocessor receives the search command from the temperature search unit, retrieves the measurement date, time, and temperature data corresponding to the search command from the memory, and displays the retrieved temperature data. Transfer to negative.

At this time, the temperature retrieving means retrieves the measurement date and time most recently stored in the memory by the first operation, and thereafter retrieves the measurement date and time stored in the memory sequentially before the latest measurement date and time. A search down button for generating a time down search command for generating a time down search command; It includes a button.

In addition, the temperature information transmission device preferably further includes a clock display means for receiving the measurement date, month and time corresponding to the search command of the temperature search means received from the microprocessor through the clock.

Further, when the microprocessor receives the time-rise search command from the search-rise button, if there is no measurement date, month, and time and temperature data stored in the memory, the clock display means causes the watch to display the current time. It is desirable to cause the display and to cause the display to display the most recent measurement date and time stored in the memory.

In addition, the temperature information transmission system using a wireless communication according to the present invention transmits the vehicle temperature request signal to the wireless communication at a predetermined time interval within a predetermined region, and from the refrigeration / refrigerated vehicle receiving the vehicle temperature request signal A management terminal for receiving the received temperature information data by wireless communication and storing it in a vehicle temperature database; The temperature of the refrigeration / refrigeration vehicle is measured and converted into temperature data and stored in a memory, receiving a vehicle temperature request signal from the management terminal, generating temperature information data including temperature data stored in the memory, and managing the terminal. It consists of a temperature information transmission device installed in the refrigeration / refrigerated vehicle to transmit by wireless communication.

In this case, the temperature information transmitting device stores the vehicle identification number for the refrigeration / refrigerated vehicle in the memory, and transmits the vehicle identification number included in the temperature information data.

In addition, the management terminal transmits a confirmation signal for temperature information data from the temperature information transmission device to the temperature information transmission device, and the temperature information transmission device receives the confirmation signal from the management terminal, and then the temperature It is desirable to delete the information data.

In addition, the temperature information transmission system communicates with a plurality of management terminals through a predetermined network to receive temperature information data for each refrigeration vehicle stored in the refrigeration / refrigeration vehicle temperature database of each management terminal, to each refrigeration / refrigerated vehicle It additionally includes a main server that stores all temperature data for it.

In this case, the management terminal preferably transmits a management terminal identification number to the main server together with the temperature information data, and the main server sends a confirmation signal for receiving the temperature information data from the management terminal to the management terminal. Preferably, after the management terminal receives the confirmation signal from the main server, the management terminal deletes the temperature information data for each refrigeration / refrigerated vehicle.

In addition, voice signals are also transmitted in both directions of the management terminal and the temperature information transmitting device.

In addition, the temperature information providing system using the network according to the present invention stores the temperature information data for each refrigeration / refrigeration vehicle in the refrigeration / refrigeration vehicle temperature database, and through the website linked with the refrigeration / refrigeration vehicle temperature database A main server providing temperature information data on the refrigeration / refrigeration vehicle; It is composed of a plurality of user terminals that receive the temperature information data for the refrigeration / refrigeration vehicle to be searched by accessing the website through the main server and a predetermined network.

At this time, the main server stores and retrieves the temperature information data according to the unique identification number of each refrigeration / refrigeration vehicle.

In addition, the user terminal preferably transmits the unique identification number of the refrigeration / refrigeration vehicle to be searched to the main server through the network by writing on the website.

In addition, the temperature information data includes the date and time of the measurement of the temperature of the refrigeration / refrigerated vehicle, and the temperature.

Hereinafter, the present invention will be described in more detail with reference to one embodiment of the present invention and an apparatus and system for transmitting temperature information using wireless communication as an example. However, the scope of the present invention is not limited by the following examples and drawings, and the scope of the present invention will be limited only by the contents described in the claims below.

2 is a conceptual diagram of a temperature information transmission system according to the present invention. As shown in FIG. 2, the management terminal located at a predetermined place transmits a vehicle temperature request signal to a predetermined area, and the vehicle A located in this area and receiving the vehicle temperature request signal is located until then. Transfer the stored temperature information data to the management terminal. On the other hand, since the vehicle B located outside this area does not receive the vehicle temperature request signal, it does not perform this transmission step.

Hereinafter, a detailed description will be made of the temperature information transmission device and the transmission system starting from this whole concept.

3 is a block diagram of a temperature information transmission apparatus according to the present invention. As shown in FIG. 3, a temperature information transmission device 20 and a management terminal 30 installed in a refrigeration / refrigeration vehicle are shown, and the temperature information transmission device 20 is installed in a refrigeration / refrigeration device installed in a vehicle. And a temperature sensor 21 for measuring a temperature therein at predetermined time intervals to generate a temperature signal, and an analog / digital converter 22 for sampling a temperature signal as an analog signal and converting it into temperature data as digital data. And a memory 23 for storing temperature data, and a microprocessor 24 for receiving temperature data from the analog / digital converter 22 and storing the temperature data in the memory 23 and converting the temperature data into temperature information data. And a clock 25 for transmitting time to the microprocessor 24, a receiver 26 for receiving a vehicle temperature request signal from the management terminal 30 through an antenna, and the received vehicle temperature request signal. A demodulator 27 for demodulating and outputting the demodulator 27 to the microprocessor 24, a modulator 28 for receiving and modulating temperature information data from the microprocessor 24, and controlling the modulated temperature information data through an antenna. And a transmitter 29 for transmitting to 30).

The temperature sensor 21 is attached to a temperature probe and installed in a vehicle refrigeration / refrigeration device to measure the temperature continuously or at predetermined time intervals. This continuous or predetermined time interval measurement can be controlled by the microprocessor 24 according to the time of the connected clock 25.

When the microprocessor 24 receives temperature data from the analog / digital conversion unit 22 and stores the temperature data in the memory 23, the microprocessor 24 displays a date and time (hereinafter, referred to as a measurement date and time) at which temperature data is input. 25) Input from and save together.

The memory 23 also stores a unique vehicle identification number for the vehicle in which the temperature information transmission device 20 is installed. The vehicle identification number may be a unique number of the vehicle or a serial number of the temperature information transmitting device 20.

In addition, the microprocessor 24 may obtain the measurement date and time and the time when the temperature sensor 21 measured the temperature from the clock 25 and store it in the memory 23 together with the temperature data. Thus, the temperature information data generated by the microprocessor 24 includes the temperature data stored in the memory 23, the date and time of measurement, and the vehicle identification number. In addition, the temperature information data may further include an error correction code that enables to correct an error of the data.

The demodulator 27 and the modulator 28 may be applied to various methods such as, for example, CDMA, according to a conventional modulation and demodulation method, and may be formed of one single element.

The management terminal 30 receives the temperature information data transmitted by the microprocessor 24 and stores it in a vehicle temperature database installed therein. In this vehicle temperature database, this temperature information data is stored in such a manner that temperature data is stored for each vehicle identification number. The administrator can check the temperature state of the refrigeration / refrigeration unit installed in the vehicle at any time by inputting the vehicle identification number or by entering only the vehicle number (vehicle number determined by the vehicle identification number).

In addition, when the management terminal 30 receives the temperature information data from the temperature information transmission device 20, and when received without error, the management terminal 30 transmits a confirmation signal. At this time, the management terminal 30 transmits the vehicle identification number included in the received temperature information data together with this confirmation signal.

Accordingly, the microprocessor 24 receives the confirmation signal from the management terminal 30, and compares the vehicle identification number included in the confirmation signal with the vehicle identification number stored in the memory 23. In this comparison, the microprocessor 24, if this confirmation signal is for the temperature information transmitter 20 (i.e., a refrigeration / refrigeration vehicle) in which it is installed, is the temperature recorded in the memory 23, which is already transmitted temperature data. The data can be deleted, thereby preventing unnecessary data from being stored in the memory 23.

4 is a configuration diagram of another embodiment of a temperature information transmitting apparatus according to the present invention. As shown in FIG. 4, the temperature information transmission device 40 further includes a clock control means 41 for controlling the clock 42 and a time signal detecting circuit 44 for detecting the time signal of the radio 43. .

The time signal detecting circuit 44 detects the time signal generated at the hourly time from the radio 43, generates a time signal, and transmits the signal to the microprocessor 24. The microprocessor 24 receiving the time signal generates a time setting signal and transmits the time setting signal to the clock control means 41. The clock control means 41 is connected to the clock 42 according to the time setting signal. Will set the time.

The time setting of the clock 42 above generally solves the delay of the clock 42 with the passage of time, so that the measurement time stored with the above-mentioned temperature data can be maintained accurately.

Here, the time signal detecting circuit 44 may be configured to have a predetermined resonance circuit therein so as to respond to the time signal from the radio 43, and such a configuration may be easily made by a person familiar with the related art. have.

The radio 43 may be a radio separately installed in a vehicle, or may be a radio (for example, a two-seat radio) built in the temperature information transmitter 40 of the present invention.

5 is a configuration diagram of yet another embodiment of a temperature information transmitting apparatus according to the present invention. As shown in FIG. 5, the temperature information transmitter 50 receives a voice from the outside, generates a voice signal, and transmits the microphone 51 to the microprocessor 24, and the voice transmitted from the management terminal 30. The speaker 52 further receives a signal from the microprocessor 24 and outputs the signal. In addition, the management terminal 30 also includes a predetermined microphone and speaker.

The temperature information transmitting device 50 is configured to transmit a voice signal from the driver to the management terminal 30 and to receive a voice signal of the manager. That is, the microprocessor 24 that receives the voice signal from the microphone 51 transmits the voice signal to the management terminal 30 through the antenna by the modulator 28 and the transmitter 29, and the management terminal 30. After inputting the audio signal from the microprocessor 24 by the receiver 26 and the demodulator 27 through the antenna, the microprocessor 24 transmits the demodulated voice signal to the speaker 52 The driver can hear.

Through the temperature information transmission device 50 capable of such a bidirectional communication, the administrator can transmit a predetermined instruction or command to the driver, and the driver can transmit a confirmation and other messages.

Figure 6a is a block diagram of another embodiment of a temperature information transmitting apparatus according to the present invention. As shown in FIG. 6A, the following components are additionally included in the temperature information transmitting apparatus 20 according to FIG. 3.

The illustrated temperature information transmission device 60 includes a clock 62 for transmitting the current year, month, day and time to the microprocessor 24, and a clock for controlling the clock 62 to display predetermined information through the clock 62. A display means 63, a temperature search means 64 for generating a search command for searching the temperature stored in the memory 23 according to an external input, and a search command generated by the temperature search means 64. It further includes a display 66 which displays the corresponding temperature.

The temperature searching means 64 allows the first operation to search for the most recent measurement date and time stored in the memory 23, and thereafter to search sequentially the measurement date and time before the most recent measurement date and time. A search down button 64a for generating a time drop search command, which is a search command; and a time increase, which is a search command for sequentially searching for the measurement date, month, and time after the measurement date, month, and time set by the search down button 64a. And a search increase button 64b for generating a search command.

The microprocessor 24, which has received a search command from the temperature search means 64, searches for and transmits the measurement date and time and the temperature data corresponding to the measurement date and time stored in the memory 23 according to the search command to the display 66. do. A detailed description thereof is disclosed in FIG. 6B.

FIG. 6B illustrates some data stored in a memory of the temperature information transmitting device according to FIG. 6A. As shown in Fig. 6B, the memory 23 stores the date and time of the measurement and the temperature data accordingly.

For example, when the current time is 2003. 02. 04. 16:40, when the user presses the search down button 64a, the search down button 64a generates a time down search command to generate the microprocessor 24. The microprocessor 24 reads from the memory 23 the temperature data corresponding to the most recently stored measurement date and time 2003. 02. 04-16:30, which is -5.00 deg. ) To be displayed. In addition, the microprocessor 23 transmits this measurement date and time to the clock display means 63, which causes the clock 62 to display the measurement date, date and time so that the user can display the measurement date and time. Allows you to check the date, time and temperature of the measurement.

After that, when the search down button 64a is pressed again, the microprocessor 24 stores -4.95 ° C, which is temperature data corresponding to the next measurement date and time, 2003. 02. 04-16:15. And display it on the display 66, and the measurement date, month and time are displayed on the clock 62. At this time, when the user presses the search rising button 64b, the search rising button 64b is a time rising search command for re-searching the measurement date and date and time after the measurement date and time determined by the search falling button 64a. Is generated and transmitted to the microprocessor 24, the microprocessor 24 is the measurement date and time after the current measurement date and time (i.e. 2003. 02. 04.-16:15). The temperature data corresponding to 16:30, −5.00 ° C., is read from the memory 23 so that it is displayed on the display 66, and the measurement date, month, and time are displayed on the clock 62. If the search up / down button 64b is pressed again, if there is no measurement date and time stored in the memory 23 after the measurement date and time 2003. 02. 04-16: 30, the display 66 displays the previous temperature. The microprocessor 24 generates and transmits a predetermined command to display the current time on the clock display means 63, and thus the clock 62 displays the current time. , Temperature search is finished. If the measured temperature data is present in 2003. 02. 04-16:45, the microprocessor 24 causes the display 66 to display this temperature data. After that, if there is no measurement date and time stored in the memory 23 after the measurement date and time of February 2, 04-16:45, the clock 62 causes the display to display the current time. Displays the temperature at the measurement date, time and date 2003. 02. 04-16:45, and the temperature search ends.

7 is a conceptual diagram of another embodiment of a temperature information transmission system according to the present invention. As shown in FIG. 7, a main server 70 for managing temperature information data of all vehicles, and a temperature information transmission device disposed in a predetermined area and provided with temperature information data about vehicles in their own area in each vehicle The first to N-th management terminals 72_1 to 72_N receive the received information from the received server and transmit it to the main server 70 through a predetermined network.

These first to N-th management terminals 72_1 to 72_N perform the same operations as the above-described management terminal 30, so that temperature information of each vehicle from the vehicle in each charge area (i.e., the area where wireless communication is possible). Each data is stored in its own vehicle temperature database, and upon request from the main server, the temperature information data of all vehicles stored in the vehicle temperature database is transmitted to the main server 70. In this case, a predetermined network may be a communication line such as a dedicated line or an internet network, a wired or wireless network such as a power line, between the main server 70 and the first to N-th management terminals 72_1 to 72_N.

These first to N-th management terminal (72_1 to 72_N) is to have their own management terminal identification number separately, and transmits the management terminal identification number together when transmitting the temperature information data to the main server (70).

When the main server 70 correctly receives the temperature information data and the management terminal identification number, the acknowledgment signal is transmitted to the corresponding management terminal including the management terminal identification number.

At this time, when receiving the confirmation signal for receiving the temperature information data and the management terminal identification number from the main server 70, the first to N management terminals (72_1 to 72_N) is transmitted to the management terminal identification number and its own management terminal. By comparing the identification numbers, if it is a confirmation signal for itself, it is possible to delete all the temperature information data that has already been transmitted so as to maintain a space of a memory, which is a vehicle temperature database therein, with a margin.

As a result, the main server 70 can store and manage temperature information data (or temperature data) for all of the refrigeration / refrigerated vehicles to be managed from the first to N-th management terminals 72_1 to 72_N. Only by inputting the number of the vehicle or the serial number of the temperature information transmission device, the entire temperature information of the vehicle can be provided to the manager.

8 is a conceptual diagram of a temperature information providing system according to the present invention. The main server 80 shown in FIG. 8 stores temperature information data for each refrigeration / refrigeration vehicle in a refrigeration / refrigeration vehicle temperature database, and the refrigeration / refrigeration through a website linked with the refrigeration / refrigeration vehicle temperature database. Provide temperature information data for the vehicle. The temperature information data is received from the above-described management terminals 72_1 to 72_N and stored in the refrigeration / refrigeration vehicle temperature database, and the temperature information data is stored and retrieved according to the vehicle identification number of each refrigeration / refrigeration vehicle. .

In addition, the first to N-th user terminals 82_1 to 82_N of the temperature information providing system connect to a website through the main server 80 and a predetermined network (for example, the Internet network 84) to search for freezing. Receive temperature information data for a refrigerated vehicle. The user operates the first to Nth user terminals 82_1 to 82_N, and transmits the unique identification number of the refrigeration / refrigerated vehicle to be searched on the website to the main server 80 through the Internet network 84, Receiving the unique identification number, the main server 80 searches the refrigeration / refrigeration vehicle temperature database, and transmits the measurement date, time, and temperature data of the refrigeration / refrigeration vehicle corresponding to the unique identification number to the user terminals 82_1 to 82_N. The user may acquire desired temperature information data of the refrigerating / refrigerating vehicle through a predetermined web page of the displayed website on the user terminals 82_1 to 82_N. Providing information using such a network, for example, through a website by the Internet network 84 can be easily recognized by a person familiar with the information providing system via the network.

According to the present invention, the stored temperature information data is transmitted to the management terminal / main server by wireless communication, thereby eliminating the separate task (printing, sorting, and storage of temperature data) of the driver or administrator for storing the temperature. have.

In addition, the present invention has an effect of providing an apparatus and system for transmitting temperature information using wireless communication that can store digital data almost permanently in a predetermined storage medium.

In addition, the present invention is to set the clock embedded in the temperature information transmission device by the time signal, so that the measurement date and time and time of the temperature data included in the temperature information data

It has the effect of doing exactly.

In addition, the present invention has an effect of facilitating communication between the manager and the driver by allowing the voice signal between the management terminal and the vehicle to communicate in both directions.

In addition, the present invention has the effect of allowing the operator or administrator to retrieve the temperature data stored in the memory over time to easily access the temperature information.

In addition, the present invention has the effect of providing the temperature information data stored in a predetermined database to a plurality of users through a web site linked with it.

Claims (26)

A temperature sensor measuring a temperature in the refrigeration / refrigerated vehicle to generate a temperature signal; Signal processing means for processing the temperature signal into temperature data through the temperature sensor; A memory for storing the temperature data; A receiving terminal for receiving a vehicle temperature request signal from the management terminal through wireless communication; A microprocessor for recording the temperature data in a memory, and in response to the vehicle temperature request signal, reading temperature data from the memory and generating temperature information data including the temperature data; And a transmitter for receiving the temperature information data from the microprocessor and transmitting the temperature information data to the management terminal through wireless communication. The apparatus of claim 1, wherein the signal processing means comprises an analog / digital conversion unit for sampling the temperature signal from the temperature sensor and converting the temperature signal into the temperature data which is digital data. The apparatus of claim 1, wherein the temperature information transmitter further comprises a clock. The microprocessor causes the temperature sensor to measure temperature at a constant measurement interval, and the microprocessor additionally records the date and time of measurement of the temperature from the clock into the memory. Transmission device. The apparatus of claim 1, wherein the memory stores a vehicle identification number of the refrigeration / refrigerated vehicle. The apparatus of claim 3 or 4, wherein the temperature information data includes the temperature data, the date and time of measurement thereof, and a vehicle unique identification number. 6. The apparatus of claim 5, wherein the temperature information data further includes an error correction code. 6. The microprocessor of claim 5, wherein the microprocessor transmits the temperature information data to the transmitter. And transmitting, when receiving the confirmation signal from the management terminal, the temperature data recorded in the memory. 4. The apparatus of claim 3, wherein the temperature information transmitting apparatus further includes clock control means for setting the time of the clock according to a time setting signal from the microprocessor, and a time signal detecting circuit for detecting a time signal from a radio. And the microprocessor receives the signal signal sensed by the signal sensor circuit, generates a time setting signal, and transmits the generated signal to the clock control means. The apparatus of claim 1, wherein the temperature information transmitter further includes a microphone and a speaker, and the microprocessor receives a voice signal transmitted from the management terminal through the receiver and outputs the voice signal to the speaker. Temperature information transmission apparatus using a wireless communication, characterized in that for transmitting a voice signal to the management terminal. 4. The apparatus of claim 3, wherein the temperature information transmitting device comprises: temperature search means for generating a search command for searching a temperature stored in the memory according to an external input from a user, and corresponding to the search command generated in the temperature search means; And a display unit for displaying temperature data, wherein the microprocessor receives the search command from the temperature search means, retrieves the measurement date, month, and time and temperature data corresponding to the search command from the memory, and retrieves the retrieved temperature. Temperature information transmission apparatus using wireless communication, characterized in that for transmitting data to the display unit. 11. The method according to claim 10, wherein the temperature retrieval means retrieves the measurement date and time most recently stored in the memory by an initial operation, after which the measurement date and time sequentially stored in the memory prior to the latest measurement date and time. And a search down button for generating a time down search command for searching for time, and a time up search command for sequentially searching for the measurement date and time stored in the memory after the measurement date and time set by the search down button. Temperature information transmission apparatus using a wireless communication, characterized in that it comprises a search rising button to generate. 12. The apparatus of claim 11, wherein the temperature information transmitting device receives the measurement date, month, and time corresponding to a search command of the temperature searching means from the microprocessor to receive the clock. Temperature information transmission apparatus using a wireless communication, characterized in that it further comprises a clock display means for displaying through. The clock display means according to claim 12, wherein the microprocessor causes the clock display means to display the clock when there is no measurement date, month, date and time and temperature data stored in the memory when receiving the time rising search command from the search rising button. Display the current time, and cause the display to display the most recent measurement date and time stored in the memory. The vehicle temperature request signal is transmitted to the wireless communication at predetermined time intervals within a predetermined area, and the temperature information data transmitted from the refrigerating / refrigerated vehicle that has received the vehicle temperature request signal is wirelessly received and stored in the vehicle temperature database. A management terminal to perform; The temperature of the refrigeration / refrigeration vehicle is measured and converted into temperature data and stored in a memory, receiving a vehicle temperature request signal from the management terminal, generating temperature information data including temperature data stored in the memory, and managing the terminal. Consisting of a temperature information transmission device installed in a refrigeration / refrigeration vehicle to transmit by wireless communication Temperature information transmission system using a wireless communication. 15. The wireless communication method of claim 14, wherein the temperature information transmitting apparatus stores the vehicle identification number of the refrigeration / refrigerated vehicle in the memory, and transmits the vehicle identification number by including the vehicle identification number in the temperature information data. Temperature information transmission system using. The system of claim 15, wherein the management terminal transmits an acknowledgment signal for temperature information data from the temperature information transmitter to the temperature information transmitter. The system of claim 16, wherein the temperature information transmitting apparatus deletes the temperature information data after receiving the confirmation signal from the management terminal. The system of claim 15, wherein the temperature information transmission system communicates with a plurality of management terminals through a predetermined network and stores them in a refrigeration / refrigerated vehicle temperature database of each management terminal. Receiving the temperature information data for each refrigerated vehicle, the temperature information transmission system using a wireless communication further comprising a main server for storing all the temperature data for each refrigeration / refrigerated vehicle. 19. The system of claim 18, wherein the management terminal transmits a management terminal identification number to the main server together with the temperature information data. The system of claim 19, wherein the main server transmits a confirmation signal for receiving the temperature information data from the management terminal to the management terminal. The system of claim 20, wherein the management terminal deletes the temperature information data for each of the refrigerator / refrigerated vehicles after receiving the confirmation signal from the main server. 15. The system of claim 14, wherein a voice signal is further transmitted in both directions of the management terminal and the temperature information transmission device. Main server that stores the temperature information data for each refrigeration / refrigerated vehicle in the refrigeration / refrigerated vehicle temperature database, and provides the temperature information data for the refrigerated / refrigerated vehicle through a website linked with the refrigeration / refrigerated vehicle temperature database Wow; And a plurality of user terminals receiving temperature information data of a refrigeration / refrigerated vehicle to be searched by accessing the website through the main server and a predetermined network. 24. The system of claim 23, wherein the main server stores and retrieves the temperature information data according to a unique identification number of each refrigeration / refrigeration vehicle. 25. The system of claim 24, wherein the user terminal transmits the unique identification number of the refrigeration / refrigeration vehicle to be searched to the main server through the network by listing the unique identification number of the refrigeration / refrigeration vehicle to be searched. . 26. The temperature information providing system using a network according to any one of claims 23 to 25, wherein the temperature information data includes a measurement date, time, and temperature of the temperature of the refrigeration / refrigeration vehicle.