JP2013021500A - Communication device and household electronic product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication device and household electronic product capable of facilitating removal and prevention of communication errors.SOLUTION: Based on a signal from an infrared transmission/reception section 210, a display control section 200b which has recognized a possible cause of a communication error displays the cause of the communication error and its remedy on a liquid crystal color panel in real time. When a signal from the infrared transmission/reception section 210 partially contains an unrecognizable code, an information recognition section 200a skips the code and recognizes signal information.

Description

  The present invention relates to a communication device and a home appliance.

  2. Description of the Related Art Conventionally, as a communication device, when infrared communication fails, there is one that extracts the reason for failure of infrared communication and notifies the reason for failure (Japanese Patent Laid-Open No. 2009-10682).

  However, the conventional communication device has a problem that even if the cause of the reception failure is known, it is not known how the communication error can be solved.

  Further, in the conventional communication apparatus, when communication is performed using a foreign information terminal or the like, communication may not be possible when information including a code outside the communication standard is transmitted.

  In addition, the conventional communication device only notifies that the communication has failed as a result, does not notify the problem in real time, cannot prevent a communication error, and normally communicates. There was a problem that it took time to return.

JP 2009-10682 A

  Accordingly, an object of the present invention is to provide a communication device and a home appliance that can prevent communication errors.

In order to solve the above problems, a communication device of the present invention provides:
A receiver for receiving a signal from the information terminal;
A display unit capable of displaying a state of communication with the information terminal;
A communication prediction unit that receives a signal from the reception unit, continuously monitors the state of communication with the information terminal, and predicts in real time during the communication whether the communication fails;
The communication predicting unit displays the cause of the communication failure on the display unit in real time when it is predicted that the communication will fail.

  According to the present invention, the communication prediction unit recognizes the cause of the communication failure in real time and displays the cause of the communication failure on the display unit in real time. It is possible to return to a normal state and prevent communication errors. For example, since the cause of the communication failure is displayed on the display unit in real time, the user can know the location of the problem in real time, and can cancel the communication error during communication. It can be executed continuously without returning to the state. Even when communication cannot be continuously executed, communication can be returned to a normal state more quickly.

In one embodiment,
The communication prediction unit includes an information recognition unit that receives a signal from the reception unit and recognizes information represented by the signal,
The information recognizing unit skips the code when the signal from the receiving unit includes a non-standard code.

  In particular, foreign products often use their own communication standards, but conventionally, communication often becomes impossible when some unrecognizable codes are included in communication.

  In the embodiment, the information recognition unit skips the code when the signal from the reception unit includes a code outside the standard of the communication performed with the information terminal. Therefore, even if a signal includes an unrecognizable code, communication is not disabled and communication can be performed appropriately. Therefore, the occurrence of communication errors can be significantly reduced.

In addition, the home electric product of the present invention is
Comprising the communication device of the present invention,
The signal from the information terminal is an infrared signal,
When the infrared signal that has reached the receiving unit from the infrared transmitting unit of the information terminal does not reach the receiving unit during communication, the communication predicting unit displays the infrared transmitting unit on the display unit. Information indicating that the communication error can be canceled is displayed by pointing to the receiver.

  The time point at which the information is displayed is preferably the time point when the infrared signal does not reach the receiving unit during the communication, but this need not be the case.

  In infrared communication using a relatively high-speed infrared communication protocol such as the IrDA (Infrared Data Association) standard, the signal directivity is relatively narrow. Need to send. Therefore, in infrared communication using a relatively high-speed infrared communication protocol, there is a possibility that the information terminal cannot be accurately directed to the receiving unit in the cooking device, and the problem that the infrared communication cannot be surely frequently occurs. There is.

  According to the present invention, when the infrared communication signal does not reach the receiving unit during communication, the communication error can be canceled by directing the infrared transmitting unit to the receiving unit on the display unit. Since the information to be displayed is displayed, it is possible to easily and quickly solve the problem that occurs when performing infrared communication with relatively high speed and high directivity.

  According to the communication device of the present invention, the communication predicting unit recognizes the cause of the communication failure in real time and displays the cause of the communication failure on the display unit in real time. Thus, communication can be restored to a normal state, and communication errors can be prevented.

It is a front perspective view of the steam cooker which is one embodiment of the household electric appliance of the present invention. It is a schematic diagram of the longitudinal cross-section of the said steam cooker. It is the schematic which expanded the operation panel and infrared communication port which are shown in FIG. It is the schematic cross section seen from the F4-F4 line | wire of FIG. It is a control block diagram of a steam cooker. It is a front view of the mobile telephone which is an example of the information terminal which can perform infrared communication with a steam cooker. It is a rear view of the said mobile phone. It is a block diagram which shows the structure of the said mobile phone. It is a figure which shows the top operation screen in a color liquid crystal display part. It is a figure which shows a my menu screen. It is a figure which shows an original menu screen. It is a figure which shows a condition selection screen. It is a figure which shows a photograph registration screen. It is a figure which shows a reception waiting screen. It is a figure which shows a reception impossible screen. It is a figure which shows a reception failure screen. It is a figure which shows a receiving screen. It is a figure which shows a non-corresponding data screen. It is a figure which shows an example of the screen which displays the picked-up image which appears when communication is complete | finished correctly. It is a flowchart which shows an example of the procedure until it registers an image with a steam cooker from carrying. It is a flowchart of control of the steam cooker of other embodiment of this invention.

  Hereinafter, the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a front perspective view of a steam cooker that is an embodiment of the home appliance of the present invention.

  In this steam cooker, a door 2 is attached to the front of a rectangular parallelepiped casing 1 so as to rotate about a lower end side. A handle 3 is attached to the upper portion of the door 2 and a heat-resistant glass 4 is attached to the approximate center of the door 2. In addition, an operation panel 5 and an infrared communication port 211 as an example of a receiving unit are provided on the right side of the door 2. The operation panel 5 includes a color liquid crystal display unit 6 as an example of a display unit, and a button group 7. An exhaust duct 8 is provided on the upper side of the casing 1 and on the right rear side. Further, a dew receptacle 9 is detachably attached below the door 2 of the casing 1.

  FIG. 2 is a schematic cross-sectional view of the steam cooker.

  As shown in FIG. 2, this steam cooker generates saturated steam by heating water supplied from a water tank 11 with a steam generator 12. The saturated steam generated by the steam generator 12 is supplied to the heating chamber 13 side of the steam inlet 15 of the circulation unit 14 attached to the right side surface of the heating chamber 13 via a steam supply passage (not shown). The

  A steam supply pipe 34 connected to the steam supply passage is attached in the vicinity of the steam inlet 15 of the circulation unit 14 so as to be parallel to the right side surface of the heating chamber 13. A circulation fan 18 is disposed in the circulation unit 14 so as to face the vapor suction port 15. The circulation fan 18 is rotationally driven by a fan motor 19.

  A steam duct 100 bent in an L shape is attached so as to cover the upper surface and the left side surface of the heating chamber 13. The steam duct 100 includes a first duct portion 110 fixed to the upper surface side of the heating chamber 13, a bent portion 120 that bends downward from the left side of the first duct portion 110, and a left side surface side of the heating chamber 13. A second duct portion 130 that is fixed and is continuous with the first duct portion 110 via the bent portion 120 is provided.

  The superheated steam generation heater 20 is accommodated in the first duct portion 110 of the steam duct 100. The superheated steam generation device 21 is configured by the first duct portion 110 of the steam duct 100 and the superheated steam generation heater 20. Note that the superheated steam generator may be provided separately from the steam duct.

  The right side of the first duct portion 110 of the steam duct 100 communicates with the steam supply port 22 provided in the upper part of the circulation unit 14. A plurality of first steam outlets 24 are provided on the top surface of the heating chamber 13, and the first duct portion 110 of the steam duct 100 communicates with the inside of the heating chamber 13 through the first steam outlet 24. ing. On the other hand, the second duct portion 130 of the steam duct 100 communicates with the inside of the heating chamber 13 through a plurality of second steam outlets 25 provided on the left side surface of the heating chamber 13.

  A gap between the heating chamber 13 and the steam duct 100 is sealed with a heat resistant resin or the like. The heating chamber 13 and the steam duct 100 are covered with a heat insulating material except for the front opening of the heating chamber 13.

  The circulation path of the steam is formed by the circulation unit 14, the superheated steam generator 21, the heating chamber 13, and the connecting member that connects them. And the saturated water vapor | steam produced | generated with the steam generator 12 is supplied to the boundary part with the heating chamber 13 of the circulation unit 14 in this circulation path.

  In addition, a magnetron (not shown) is disposed below the heating chamber 13. Microwaves generated by the magnetron are guided to the lower center of the heating chamber 13 by a waveguide (not shown), and are stirred upward by a rotating antenna 38 driven by a motor 37 toward the upper side in the heating chamber 13. The object to be heated 27 is heated by being emitted. The heating steam generating heater 20 and the magnetron constitute a heating unit.

  Further, a cooling fan part (not shown) and an electrical component 17 are arranged on the lower side in the casing 1. The electrical component 17 has a drive circuit that drives each part of the steam cooker, a control circuit that controls the drive circuit, and the like.

  3 is an enlarged schematic view of the operation panel 5 and the infrared communication port 211 shown in FIG. 1, and FIG. 4 is a schematic cross-sectional view seen from the line F4-F4 of FIG.

  The button group 7 includes a return key 71, a cancel key 72, a manual heating key 73, and a warm start key 74. The return key 71 is pressed to return the screen display of the color liquid crystal panel 61 to the previous screen display. The cancel key 72 is pressed to stop heating or cancel the operation. The manual heating key 73 is pressed when manually setting the high frequency output and the heating output. Also, the warm start key 74 is pressed to start heating. The user can select the infrared communication mode by operating the operation panel 5. The infrared communication port 211 is connected to an infrared transmission / reception unit (denoted by 210 in FIG. 5) described later.

  The infrared communication port 211 has a cover that blocks visible light. Specifically, the material of the surface of the infrared communication port 211 is made of a material that blocks visible light and transmits infrared light. A light receiving element for detecting infrared rays is disposed at a position overlapping the front and rear direction (depth direction) of the steam cooker of the infrared communication port 211.

  Referring to FIG. 4, the color liquid crystal display unit 6 is configured by overlapping a touch panel 62 on a color liquid crystal panel 61. Note that the display unit of the present invention is not limited to a liquid crystal panel, and other display devices such as an organic EL may be used.

  The color liquid crystal panel 61 can display characters, numbers, photographs and the like in color, and displays the type of cooking, the name of the dish, the heating time, the temperature, the photograph of the dish, and the like. The touch panel 62 is a capacitive touch panel made of a transparent material that changes surface charge when the user touches with a finger. Accordingly, the user can select an image displayed on the color liquid crystal panel 61 by touching the touch panel 62. When the user touches the touch panel 62 and selects a selectable image displayed on the color liquid crystal panel 61, the color of the image is changed. In other words, the image displayed on the color liquid crystal panel 61 has a selected color different from a non-selected color. Note that the touch panel 62 may be replaced with, for example, a resistive film type, surface acoustic wave type, infrared type, or electromagnetic induction type touch panel, and uses not only a touch panel operation with a finger but also a pen-like object such as a touch pen. May be operated.

  FIG. 5 shows a control block diagram of the steam cooker. This steam cooker includes a control device 200 including a microcomputer and an input / output circuit in the electrical component section 17 (see FIG. 2). The control device 200 includes a superheated steam generation heater 20, a circulation fan motor 19, a cooling fan motor 16, a supply damper motor 44, an exhaust damper motor 60, an infrared transmission / reception unit 210, an operation panel 5, and an internal temperature sensor 29. The thawing sensor 50, the water supply pump 70, the steam generator 12, the magnetron 80, and the storage unit 211 are connected. The infrared transmission / reception unit 210 includes an amplifier circuit and the like, and is driven and controlled by the control device 200.

  Based on the signal from the operation panel 5 and the detection signals from the internal temperature sensor 29 and the thawing sensor 50, the control device 200 performs the superheated steam generation heater 20, the circulation fan motor 19, the cooling fan motor 16, the supply air damper. The motor 44, the exhaust damper motor 60, the operation panel 5, the water supply pump 70, the steam generator 12, the magnetron 80, and the like are controlled.

  The control device 200 includes an information recognition unit 200a, a display control unit 200b, an infrared communication control unit 200c, and a timer 200d. The display control unit 200b includes a communication prediction unit.

  The signal recognizing unit 200a receives a signal from an information terminal such as a cellular phone, which will be described later, via an infrared transmitting / receiving unit. The signal recognizing unit 200a skips the unrecognizable code when the signal from the information terminal includes a code that is out of the standard of communication with the information terminal and cannot be recognized. The signal information is recognized.

  The display control unit 200b displays a plurality of images representing a plurality of menus on one screen of the color liquid crystal display unit 6 at the same time. Further, as will be described later, when the display control unit 200b recognizes a specific communication error, the display unit 200b displays a countermeasure for the communication error on the color liquid crystal display unit 6. The infrared communication control unit 200c controls the operation of the infrared transmission / reception unit 210, and the timer 200d measures time.

  FIG. 6 is a front view of a mobile phone as an example of an information terminal capable of infrared communication with the steam cooker, and FIG. 7 is a rear view of the mobile phone.

  As shown in FIG. 6, this mobile phone includes a monitor-side casing 301 and an operation-side casing 302, and the monitor-side casing 301 and the operation-side casing 302 are connected by a hinge portion 303 so that the mobile phone can be folded. It has become. The monitor housing 301 is provided with a display unit 305 and a speaker unit 306. In addition, the operation side housing 302 is provided with an operation unit 308 and a microphone unit 311 including a plurality of operation buttons 307 including a call button and a shooting button. As shown in FIG. 7, a camera unit 312 and an infrared communication port 313 as an infrared transmission unit of the information terminal are provided on the back surface of the monitor-side casing 301.

  FIG. 8 is a block diagram showing the configuration of the mobile phone.

  The operation unit 308, the microphone unit 311, the display unit 305, the infrared signal transmission / reception unit 315, the speaker unit 306, the camera unit 312, the communication unit 330, and the storage unit 350 are connected to the control circuit 360 of the cellular phone. The control circuit 360 includes a microcomputer, a ROM, a RAM, and the like (not shown), and controls the operation of each unit. The control circuit 360 includes an infrared communication control unit 360a, and the infrared communication control unit 360a controls the operation of the infrared signal transmission / reception unit 315.

  When the operation button 307 of the operation unit 308 is operated, an operation signal corresponding to the operation button 307 is detected by the control circuit 360. The microphone unit 311 converts the input sound into a signal and outputs the signal to the control circuit 360. The display unit 305 is composed of a liquid crystal display, for example, and displays a display signal given from the control circuit 360 in a state where the mobile phone is opened.

  The infrared signal transmission / reception unit 315 transmits the signal input from the control circuit 360 to the outside as an infrared signal based on a predetermined infrared communication protocol from the infrared communication port 313 (see FIG. 7). The infrared signal transmission / reception unit 315 receives an infrared signal from the infrared communication port 313 based on a predetermined infrared communication protocol and inputs the received infrared signal to the control circuit 360. The speaker unit 311 converts the signal input from the control circuit 360 into sound and outputs the sound to the outside. The camera unit 312 is composed of, for example, a CCD camera, and outputs captured image data to the control circuit 360. Further, the communication unit 330 performs connection processing with the Internet and communication processing with a mobile phone line based on a predetermined communication protocol. The storage unit 350 is composed of, for example, a nonvolatile memory, and stores various types of information described later.

  FIG. 9 is a diagram showing a top operation screen in the color liquid crystal display unit 6.

  This steam cooker can store the cooked food taken with an information terminal such as a mobile phone in the storage unit 211 (see FIG. 5) together with the cooking conditions.

  Hereinafter, a method for registering a photograph taken from the top operation screen of FIG. 9, a communication error that may occur regarding registration, and a reason why a communication error can be prevented in advance by the steam cooker of this embodiment will be described.

  First, My Menu is selected on the screen of FIG. 9, and the My Menu screen shown in FIG. 10 is displayed on the color liquid crystal display unit 6. Next, registration / change is selected on the My Menu screen, and the original menu screen shown in FIG. 11 is displayed. Subsequently, in the display of the original menu screen of FIG. 11, registration / change is selected, and the condition selection screen shown in FIG. 12 is displayed. Then, the photograph is selected on the condition selection screen in FIG. 12, and the photograph registration screen shown in FIG. 13 is displayed.

  Next, when the user selects the infrared communication start key on the photo registration screen of FIG. 13, the color liquid crystal display unit 6 changes to the reception waiting screen shown in FIG. 14 as shown in the reception waiting screen of FIG. , "Please transmit from the mobile phone to the light receiving unit of the main body" is displayed on the color liquid crystal display unit 6, and the position of the infrared port 211 as an example of the receiving unit is It is displayed on the liquid crystal display unit 6. Further, along with the switching to the reception waiting screen shown in FIG. 14, the infrared communication control unit 200c (see FIG. 5) drives the infrared transmission / reception unit 210 so that the infrared transmission / reception unit 210 can transmit and receive signals. . In addition, with the switching to the reception waiting screen shown in FIG. 14, the timer 200d starts to elapse time.

  Thereafter, the user directs the infrared communication port 313 (see FIG. 7) of the mobile phone toward the infrared communication port 211 of the steam cooker, and the predetermined infrared communication among the operation buttons 307 of the operation unit 308 of the mobile phone. Assume that the button is operated to send the image data of the photograph in a plurality of packets.

  If the signal does not reach the infrared port 211 for a predetermined time (for example, 3 minutes) after the screen changes to the reception waiting screen shown in FIG. 14, the color liquid crystal display unit 6 receives the signal shown in FIG. Switch to disabled screen. This unreceivable screen appears when there is no transmission from the information terminal or when a signal is transmitted from the information terminal outside the reception range. On this unreceivable screen, an indication that the image should be transmitted again within the image transmission / reception range is displayed. This display allows the user to know that the communication error is in transmission from outside the reception range.

  In the screen of FIG. 15 (the same applies to FIGS. 16 and 18 below), when retransmission is selected, the screen shown in FIG. 13 appears, and FIG. 15 (the same applies to FIGS. 16 and 18 below). When the cancel is selected on the screen of), the screen shown in FIG. 12 appears.

  On the other hand, suppose that after receiving the reception waiting screen in FIG. 14, after image information is sent from the mobile phone within a predetermined time, the signal from the mobile phone cannot be received before the communication is completed.

  In this case, when the signal arrives from the screen of FIG. 14 and the signal cannot be received instantaneously, the screen is changed from the reception waiting screen shown in FIG. 14 to the reception failure screen shown in FIG. The In addition, if the signal cannot be received after the signal reaches the infrared communication port 211 from the screen of FIG. 14 and receives a certain amount of signal, the screen changes from the reception waiting screen shown in FIG. 14 to FIG. Then, the screen is switched to the reception failure screen shown in FIG.

  The reception failure screen in FIG. 16 appears when data transmission from a mobile phone is stopped after the start of reception, or when the direction between ports changes after the start of reception. The reception failure screen in FIG. 16 indicates that the mobile phone's infrared port should not be moved while facing the light receiving unit until communication is completed. This display allows the user to know that the communication error is due to excessive movement of the mobile phone.

  In this embodiment, the display control unit 200b displays the reception failure screen on the color liquid crystal display unit 6 when the infrared transmission / reception unit 210 recognizes that the signal cannot be received. Simultaneously with the recognition of the communication error of the control unit 200b, the user is allowed to make a reception failure in real time. Therefore, the user can direct the infrared port of the mobile phone to the light receiving unit again by the real-time display of the color liquid crystal display unit 6 during communication, and can cancel the communication error during communication. Thus, infrared communication can be continuously performed without redoing the infrared communication from the beginning. In the present invention, the display control unit displays the reception failure screen on the color liquid crystal display unit after a predetermined time has elapsed after recognizing that the infrared transmission / reception unit cannot receive the signal. May be.

  Further, it is assumed that the user continuously transmits a signal to the receiving unit. In this case, the screen changes from the reception waiting screen shown in FIG. 14 to the receiving screen shown in FIG. Here, when the communication data capacity exceeds the storage capacity of the storage unit 211 of the steam cooker, the communication data has a large vertical / horizontal size, or nonstandard image data (for example, image data other than JPEG format) is sent. When this is done, the screen is switched from the receiving screen in FIG. 17 to the non-corresponding data screen shown in FIG. This non-corresponding data screen is displayed when the data capacity is large, when the vertical and horizontal size of the data is large, or when image data other than JPEG format is transmitted.

  In this non-corresponding data screen, information on image size limitation and data capacity limitation is described. This screen allows the user to modify the transmission signal to meet the standard.

  FIG. 19 is an example of a screen that displays a captured image that appears when communication ends normally. The screen shown in FIG. 19 is switched from the screen shown in FIG. 18. However, it is preferable that the in-communication screen shown in FIG. 18 is displayed for 2 seconds at the shortest. It is preferable to display.

  FIG. 20 is a flowchart illustrating an example of a procedure from registration of an image to a steam cooker.

  When the procedure is started and the user selects the infrared communication start key in step S1, the infrared communication control unit 200c drives the infrared transmission / reception unit 210, and the timer 200d starts measuring time. Thereafter, in step S2, the infrared communication control unit 200c determines whether a communication signal has been received within a predetermined time (for example, 3 minutes). If it is determined in step S2 that the signal has been received within the predetermined time, the process proceeds to step S3. On the other hand, if the infrared communication control unit 200c determines in step S2 that the signal could not be received within a predetermined time, the process proceeds to step S7, and the display controller 200b indicates that the color liquid crystal display unit 6 cannot receive the signal. Display the message and display the corrective action. Then, the user who has recognized the communication error by this display moves into the communication area of the infrared communication and performs the procedure of step S1 again.

  In step S3, the information recognizing unit 200a sequentially determines whether or not a code that cannot be recognized is included in the received data. The data that does not include the unrecognizable code is sequentially sent to the infrared communication control unit 200c. On the other hand, if the unrecognizable code is included in a part of the received data, the process proceeds to step S8. After the information recognizing unit 200a skips the code to make the data recognizable, the recognizable data is sequentially sent to the infrared communication control unit 200c.

  In step S4, the infrared communication control unit 200c determines whether the communication signal has been received to the end. If it is determined in step S4 that the communication signal has been received to the end, the process proceeds to step S5. On the other hand, if it is determined in step S4 that the communication signal has not been received until the end, the process proceeds to step S9, where the display control unit 200b displays in real time that the color liquid crystal display unit 6 has failed to receive, , Display the coping method. The user who recognizes the communication error by this display returns to step S1 again and repeats the procedure from step S1.

  In step S5, the display control unit 200b determines whether the received data is compatible data. Specifically, in step S5, it is determined whether or not the data capacity exceeds the capacity of the storage unit 211, or whether or not a method for compressing digital data of a still image is appropriate. When the display control unit 200b determines that the received data is not compatible, the display control unit 200b displays that the data is not compatible with the color liquid crystal display unit 6, and Display the corrective action. The user who has recognized the communication error by this display, for example, after reducing the data capacity of the image data, returns to step S1 again and repeats the procedure from step S1.

  On the other hand, if it is determined in step S5 that the received data is the corresponding data, the display control unit 200b displays the image sent to the color liquid crystal display unit 6 in step S6, and the user registers the image. Done. The procedure is the end.

  FIG. 21 is a flowchart of the control of the steam cooker according to another embodiment of the present invention.

  Referring to FIG. 21, when the user selects the infrared communication mode and the control starts, the counter built in the control device is set to 0 in step S101. Subsequently, in step S102, the time counting by the timer of the control device starts. In step S103, the communication predicting unit starts counting time by the timer within 0.5 seconds as an example of the predetermined time (the predetermined time is Of course, the time is not limited to within 0.5 seconds. For example, any time such as 0.3 seconds or 0.7 seconds can be selected), and it is determined whether or not the signal can be received from the information terminal. .

  If the communication prediction unit determines in step S103 that the signal has been received from the information terminal within 0.5 seconds, the process proceeds to step S104, while the communication prediction unit determines that the information terminal within 0.5 seconds. If it is determined that the signal cannot be received from step S108, the process proceeds to step S108. In step S108, the communication prediction unit displays on the display unit that it cannot be received, and displays the countermeasure on the display unit. Subsequent to step S108, step S109 is executed. In step S109, the number of counters is set to N = N + 1, and the number of loops is counted. In the next step S110, the control apparatus determines that the number of counters is 10 (predetermined number) as an example of the predetermined number. Of course, it is not limited to 10, and for example, any natural number such as 15, 20 or the like can be selected). If it is determined in step 110 that the number of counters is greater than 10, control ends. On the other hand, if the number of counters is 10 or less in step 110, the process proceeds to step S102, returns to step S102, and starts counting by the timer again.

  In step S104, the communication prediction unit determines whether the form is appropriate. For example, in step S104, the communication prediction unit determines whether or not the data is nonstandard image data (for example, image data other than JPEG format). If the communication predicting unit determines that the form is appropriate in step S104, the process proceeds to step S105. On the other hand, if the communication predicting unit determines that the form is not appropriate in step S104, the communication predicting unit After the display unit displays that the form is not appropriate, the control ends.

  In step S105, the communication prediction unit determines whether the size is appropriate. For example, in step S105, the communication predicting unit determines whether the communication data capacity exceeds the storage capacity of the storage unit 211 of the steam cooker, and determines whether the vertical and horizontal sizes of the communication data are large. . If it is determined in step S105 that the size is appropriate, the process proceeds to step S106. If it is determined in step S105 that the size is not appropriate, the communication prediction unit determines that the size is appropriate for the display unit in step S112. After displaying that it is not, control ends.

  In step S106, the communication prediction unit determines whether the communication state is appropriate. Specifically, in step S106, the communication prediction unit determines whether the level of the communication signal exceeds a predetermined level, and whether the S / N ratio (signal noise ratio) exceeds a predetermined threshold. Judging. If the communication prediction unit determines that the communication state is appropriate in step S106, the process proceeds to step S107. If the communication prediction unit determines that the communication state is not appropriate in step S106, the process proceeds to step S113. In step S113, when the communication prediction unit determines that the communication state is not appropriate, the display of inappropriate communication information is displayed on the display unit in real time. For example, the S / N ratio is below a predetermined value. Such information is displayed on the display unit. Then, for example, after the problem is solved in real time by the user who knows the problem based on the information in S113, the process proceeds to step S107.

  In step S107, it is determined whether or not the flag is an end flag. If it is determined in step S107 that the flag is an end flag and the signal ends, the process shifts to the end and shifts to another control. On the other hand, in step S107, the signal is not ended because it is not determined to be an end flag. In this case, step 106 is performed again.

  According to the steam cooker of the above embodiment, the communication predicting unit recognizes the cause of the communication failure in real time and displays the cause of the communication failure on the color liquid crystal display unit 6 in real time. Therefore, the communication can be returned to the normal state more quickly, and the communication error can be prevented. For example, the cause of the communication failure is displayed on the color liquid crystal display unit 6 in real time, so that the user can know the location of the problem in real time and can cancel the communication error during the communication. It can be executed continuously without returning to the initial state. Even when communication cannot be continuously executed, communication can be returned to a normal state more quickly.

  Moreover, according to the steam cooker of the said embodiment, when the said information recognition part contains the code | symbol outside the standard of the standard of communication which is performing with the mobile telephone etc. in the signal from the infrared rays transmission / reception part 210. Since the code is skipped, even if a signal includes an unrecognizable code, communication is not disabled and communication can be performed properly. Therefore, the occurrence of communication errors can be significantly reduced.

  Further, according to the steam cooker of the above embodiment, when the infrared communication signal does not reach the infrared transmission / reception unit 210 during the communication, the infrared communication port 313 of the mobile phone is connected to the color liquid crystal display unit 6 via the infrared ray. Since information indicating that the communication error can be canceled by being directed to the transmission / reception unit 210 is displayed, the problem that occurs when performing infrared communication with relatively high speed and high directivity can be solved easily and quickly.

  In the above embodiment, some unrecognizable codes may be, for example, non-standard JPEG codes for image data, non-protocol codes, or these codes. It may be present at any location of the signal, such as a signal header or footer.

  Moreover, in the said embodiment, when specific time is described as predetermined time, it cannot be overemphasized that other time may be employ | adopted as a modification.

  In the present invention, wireless communication using an electromagnetic wave having a wavelength shorter than infrared rays, such as communication using Bluetooth, may be performed with the information terminal.

  In the present invention, since the data size of the communication data is provided as the first information of the communication signal, in FIG. 20, steps S3 and S4 are omitted, or step S3 is omitted and step The procedure may move from S2 to step S5, or the procedure may move from step S2 to step S3 via step S3. Then, when the communication device receives the size of the communication data, if the size of the communication data exceeds the performance of the storage unit, the process may immediately move to step S10.

  In the present invention, it is not necessary to have a function of skipping unrecognizable codes. In the present invention, it is not necessary to determine whether the received data is compatible data. Further, in the present invention, it is not necessary to determine whether the signal has not arrived midway. In the present invention, it is not necessary to determine whether the signal has been received within a predetermined time. In the present invention, it is not necessary to make two of these three determinations. In the present invention, the cause of the communication error may not be displayed on the display unit in real time, but the cause of the communication error may be displayed on the display unit after a predetermined time has elapsed.

  In the above embodiment, the heating cooker is a steam cooker. However, the heating cooker of the present invention may not use steam or superheated steam, such as a microwave oven. The cooking device may be any cooking device as long as it has a function of heating ingredients by heating.

  In the above embodiment, the case where wireless communication is performed between a mobile phone as an information terminal and a cooking device has been described. However, the communication according to the present invention may be wired communication via a cable. In the above embodiment, the information terminal is a mobile phone, and the receiving device is a heating cooker. However, in this invention, the information terminal is a personal digital assistant (PDA), a smartphone, a mobile PC (personal computer). The receiving-side device may be another household electrical appliance (for example, a rice cooker, a refrigerator, a vacuum cleaner, a television receiver, an air conditioner, an electric razor, a lighting device, etc.).

6 Color liquid crystal display unit 210 Infrared transmission / reception unit 211 Infrared communication port 311 Infrared port of mobile phone 200a Information recognition unit 200b Display control unit 200c Infrared communication recognition unit

Claims (3)

A receiver for receiving a signal from the information terminal;
A display unit capable of displaying a state of communication with the information terminal;
A communication prediction unit that receives a signal from the reception unit, continuously monitors the state of communication with the information terminal, and predicts in real time during the communication whether the communication fails;
The communication prediction unit displays the cause of the communication failure on the display unit in real time when it is predicted that the communication will fail. The communication device according to claim 1,
The communication prediction unit includes an information recognition unit that receives a signal from the reception unit and recognizes information represented by the signal,
The information recognition unit may skip a code when a non-standard code is included in a signal from the reception unit. The communication apparatus according to claim 1 or 2, wherein the signal from the information terminal is an infrared signal,
When the infrared signal that has reached the receiving unit from the infrared transmitting unit of the information terminal does not reach the receiving unit during communication, the communication predicting unit displays the infrared transmitting unit on the display unit. A home electric product characterized by displaying information indicating that the communication error can be canceled by pointing at the receiver.