WO2013186908A1 - 解析装置、解析方法およびプログラム - Google Patents
解析装置、解析方法およびプログラム Download PDFInfo
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- WO2013186908A1 WO2013186908A1 PCT/JP2012/065286 JP2012065286W WO2013186908A1 WO 2013186908 A1 WO2013186908 A1 WO 2013186908A1 JP 2012065286 W JP2012065286 W JP 2012065286W WO 2013186908 A1 WO2013186908 A1 WO 2013186908A1
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- conversion signal
- voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/12—Network monitoring probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0218—Circuits therefor
- G01R13/0236—Circuits therefor for presentation of more than one variable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
Definitions
- the present invention relates to an analysis apparatus, an analysis method, and a program.
- the communication state analysis system described in Patent Document 1 receives and stores communication data (signals) from a communication network to which a plurality of control devices having communication circuits are connected. Further, the communication state analysis system selects communication data of a specific control device (for example, a control device considered to be abnormal) from the stored communication data. Then, the communication state analysis system transmits again the communication data transmitted from the control device other than the selected specific control device to the selected specific control device. Through this re-transmission, the user can analyze the communication state (reception analysis of communication data) in a specific control device.
- a specific control device for example, a control device considered to be abnormal
- the air conditioning communication information collection device described in Patent Document 2 detects an abnormality in a communication packet transmitted via a communication line, it stores signal waveform data before and after the time when the abnormality is detected. Then, the air conditioning communication information collecting device analyzes the stored signal waveform data. Thereby, the user can analyze the abnormality that has occurred in the signal waveform data (signal).
- the network monitoring device described in Patent Document 3 receives and stores transmission data transmitted via a network (communication line). With this stored transmission data, the user can analyze the transmission state of the transmission data and the transmission content of the transmission data.
- the stored transmission data is composed of a current value and a voltage value (a current value flowing through the transmission line and a voltage value applied to the transmission line) collected from the network.
- Patent Documents 1 to 3 are used to receive a current signal that conveys information according to the magnitude of the value of the current flowing through the communication apparatus, specifically, the communication line. Generate display information based on the received voltage signal that conveys information according to the function of outputting the display information to the display, for example, and the magnitude of the voltage value applied to the communication line, and generating display information based on the received voltage signal
- this device when a device having a function of outputting to a display is manufactured, this device has the following problems.
- this apparatus has a problem that a function for generating display information and outputting the generated display information is required for both current signals and voltage signals.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an analysis apparatus, an analysis method, and a program that do not have overlapping functions of generating display information and outputting the generated display information.
- the current conversion signal generation unit of the analysis apparatus generates a current conversion signal indicating a voltage value corresponding to the magnitude of the value of the current flowing through the communication line.
- the current conversion signal determination unit determines whether the current conversion signal generated by the current conversion signal generation unit satisfies a predetermined condition, so that a current signal that conveys information according to the magnitude of the current value transmits the communication line. It is determined whether a current conversion signal has been generated.
- the voltage conversion signal generation unit generates a voltage conversion signal indicating a voltage value corresponding to the magnitude of the voltage applied to the communication line.
- the voltage conversion signal determination unit determines whether the voltage conversion signal generated by the voltage conversion signal generation unit satisfies a predetermined condition, so that the voltage signal that conveys information according to the magnitude of the voltage value has transmitted the communication line. To determine whether a voltage conversion signal has been generated.
- the display information generation unit generates display information from either the current conversion signal generated by the current conversion signal generation unit or the voltage conversion signal generated by the voltage conversion signal generation unit.
- the output unit outputs the display information generated by the display information generation unit to a display device capable of displaying the display information.
- the switching unit displays the current conversion signal generated by the current conversion signal generation unit when the current conversion signal determination unit determines that the current conversion signal has been generated by transmitting the current signal through the communication line.
- the voltage conversion signal is generated by switching the voltage conversion signal generated by the voltage conversion signal generation unit to the display information generation unit and transmitting the communication signal to the voltage conversion signal
- the voltage conversion signal is generated.
- the determination unit determines, the voltage conversion signal generated by the voltage conversion signal generation unit is transmitted to the display information generation unit, while the current conversion signal generated by the current conversion signal generation unit is transmitted to the display information generation unit. Switch not to transmit.
- FIG. 1 is a block diagram of an analysis device according to Embodiment 1.
- FIG. It is a block diagram of an extraction / signal determination part. It is a block diagram of a display information generation / output part. It is a block diagram of a display apparatus. It is an example of a screen of command display mode. It is an example of a screen of waveform display mode. It is a flowchart which shows the process of a current signal receiver. It is a flowchart which shows the process of a current conversion signal determination part. It is a flowchart which shows the process of a voltage signal receiver. It is a flowchart which shows the process of a voltage conversion signal determination part.
- the analysis device 10 includes a current sensor 13 and a voltage sensor 14.
- the current sensor 13 has a transformer, for example.
- the current sensor 13 is one of two communication lines L1 that transmits signals transmitted and received between the outdoor unit communication unit 100 and the indoor unit communication unit 110 by a current transmission method, for example, a transformer. Is arranged so as to surround the primary side.
- the current transmission method is a method of determining the signal High and Low depending on the magnitude of the current value (depending on the magnitude of the current value).
- the current sensor 13 outputs a current indicating a current value corresponding to the magnitude of the current flowing through one of the communication lines L1 to the analysis device 10.
- the outdoor unit communication unit 100 is, for example, a communication device provided in an outdoor unit of an air conditioner
- the indoor unit communication unit 110 is, for example, a communication device provided in an indoor unit of an air conditioner.
- the voltage sensor 14 has a coil, for example.
- the voltage sensor 14 is connected to each of the two communication lines L2 for transmitting signals transmitted and received between the indoor unit communication unit 110 and the remote control communication unit 120 by a voltage transmission method, for example, each terminal of a coil. Is connected.
- the voltage transmission method is a method for determining the High and Low of a signal according to the magnitude of the voltage value (depending on the magnitude of the voltage value).
- the voltage sensor 14 outputs a voltage conversion signal indicating a voltage value corresponding to the magnitude of the voltage value applied to the communication line L ⁇ b> 2 to the analysis device 10. That is, the voltage sensor 14 generates a voltage conversion signal indicating a voltage value corresponding to the magnitude of the voltage applied to the communication line L2.
- the remote control communication unit 120 is a communication device provided in a remote control that transmits a voltage signal to an indoor unit of an air conditioner, for example.
- the analysis device 10 since the analysis device 10 includes the current sensor 13 and the voltage sensor 14, it can receive a signal transmitted / received by the current transmission method and a signal transmitted / received by the voltage transmission method.
- a signal transmitted and received by the current transmission method in other words, a signal that conveys information according to the magnitude of the current value is referred to as a current signal.
- a signal transmitted / received by the voltage transmission method in other words, a signal that conveys information according to the magnitude of the voltage value is referred to as a voltage signal.
- the analysis apparatus 10 When it is desired to receive signals (current signals and voltage signals) transmitted through communication lines other than the communication lines L1 and L2, the analysis apparatus 10 is provided with an analysis apparatus 10-2 in addition to the analysis apparatus 10-1. Use more than one. At this time, the analysis apparatus 10-2 may have the same configuration as the analysis apparatus 10-1.
- the analysis device 10 (analysis device 10-1 and analysis device 10-2) is connected to the display device 11.
- the display device 11 receives display information output from the analysis device 10 (analysis device 10-1 and analysis device 10-2), and displays a screen generated based on the display information.
- the analysis device 10 switches between a current sensor 13, a voltage sensor 14, a current signal receiver 21, a voltage signal receiver 24, a current conversion signal determination unit 26, and a voltage conversion signal determination unit 27.
- a unit 28, a switch 29, an extraction / signal determination unit 30, and a display information generation / output unit 31 are provided.
- the current signal receiver 21 includes a current-voltage conversion unit 22 and a demodulation / waveform shaping unit 23.
- the current-voltage converter 22 is connected to the current sensor 13.
- the current-voltage conversion unit 22 converts the current output from the current sensor 13 into a voltage, and outputs the converted voltage (current conversion signal SG1). That is, the current-voltage conversion unit 22 generates a current conversion signal SG1 indicating a voltage value corresponding to the magnitude of the current value output from the current sensor 13 (the value of the current flowing through the communication line L1).
- the current-voltage conversion unit 22 converts the current into a voltage of 5 volts. For example, when a current of 4 mA is output from the current sensor 13, the current-voltage conversion unit 22 converts the current into a voltage of 1 volt.
- the demodulation / waveform shaping unit 23 is connected to the current-voltage conversion unit 22.
- the demodulation / waveform shaping unit 23 demodulates the current conversion signal SG1 output from the current-voltage conversion unit 22, performs waveform shaping, and outputs a demodulated and waveform shaped signal (command signal SG5).
- the demodulation / waveform shaping unit 23 performs ASK (Amplitude Shift Keying) modulation on the current signal, so that the current conversion signal SG1 output from the current-voltage conversion unit 22 is ASK modulated.
- ASK demodulation is performed.
- the demodulation / waveform shaping unit 23 does not demodulate the current conversion signal SG1 output from the current-voltage conversion unit 22, and shapes the waveform of the current conversion signal SG1.
- a command signal SG5 is output.
- the voltage signal receiver 24 includes a demodulation / waveform shaping unit 25.
- the demodulation / waveform shaping unit 25 is connected to the voltage sensor 14.
- the demodulation / waveform shaping unit 25 demodulates the voltage conversion signal SG2 output from the voltage sensor 14, performs waveform shaping, and outputs a demodulated and waveform-shaped signal (command signal SG6).
- the demodulation / waveform shaping unit 26 performs AM demodulation if the voltage conversion signal SG2 output from the voltage sensor 14 is AM-modulated, for example, by performing AM (Amplitude Modulation) modulation on the voltage signal. .
- the demodulation / waveform shaping unit 25 performs only the waveform shaping of the voltage conversion signal SG2 without demodulating the voltage conversion signal SG2 output from the voltage sensor 14.
- the command signal SG6 is output.
- the current conversion signal determination unit 26 is connected to the output terminal of the current-voltage conversion unit 22 and the input terminal of the demodulation / waveform shaping unit 23.
- the current conversion signal determination unit 26 determines whether the current conversion signal SG1 generated by the current-voltage conversion unit 22 satisfies a predetermined condition. By determining, it is determined whether or not the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1.
- the current conversion signal determination unit 26 receives the current conversion signal SG1 output from the current-voltage conversion unit 22, the voltage value of the current conversion signal SG1 is equal to or greater than a predetermined threshold, and the current conversion signal SG1
- the signal length of the signal SG1 is for a certain period (for example, 1 bit length if the communication system is a baseband system) and the voltage value of the current conversion signal SG1 is within the standard range, the current signal is communicated.
- a detection signal SG3 indicating that the current conversion signal SG1 has been generated by transmitting the line L1 is output.
- the current conversion signal determination unit 26 outputs the detection signal SG3 if the current conversion signal SG1 generated by the current-voltage conversion unit 22 is not detected, for example, noise.
- the predetermined threshold value and the range of the standard are determined in advance from the amplitude value of the current conversion signal SG1.
- the current conversion signal determination unit 26 detects noise or the like when the voltage value of the current conversion signal SG1 is less than a predetermined threshold value or when the signal length of the current conversion signal SG1 is not equal to a certain period. Therefore, the detection signal SG3 is not output.
- the current conversion signal determination unit 26 determines whether or not the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1, based on the predetermined threshold and the signal length. When the signal is detected, the detection signal SG3 is prevented from being erroneously output.
- the current conversion signal determination unit 26 has a voltage value of the current conversion signal SG1 that is equal to or greater than a predetermined threshold value and the current conversion signal SG1 has a signal length of a certain period, but the voltage value of the current conversion signal SG1 is standard. Is exceeded, it is determined that the current conversion signal SG1 indicates an abnormal value, and an error signal indicating the abnormality is included in the detection signal SG3 and output.
- the voltage conversion signal determination unit 27 is connected to the output terminal of the voltage sensor 14 and the input terminal of the demodulation / waveform shaping unit 25. When the voltage conversion signal determination unit 27 receives the voltage conversion signal SG2 output from the voltage sensor 14, the voltage conversion signal determination unit 27 determines whether the voltage conversion signal SG2 generated by the voltage sensor 14 satisfies a predetermined condition. It is determined whether the voltage conversion signal SG2 is generated by transmitting the communication line L2.
- the voltage conversion signal determination unit 27 receives the voltage conversion signal SG2 output from the voltage sensor 14, the voltage value of the voltage conversion signal SG2 is equal to or greater than a predetermined threshold, and the signal length of the voltage conversion signal SG2 Is for a certain period (for example, 1 bit length if the communication system is a baseband system), and if the voltage value of the voltage conversion signal SG2 is within a specified range, the voltage signal is transmitted through the communication line L2.
- the detection signal SG4 indicating that the voltage conversion signal SG2 has been generated is output. That is, the voltage conversion signal determination unit 27 outputs the detection signal SG4 if the voltage conversion signal SG2 generated by the voltage sensor 14 is not a noise detection, for example.
- the predetermined threshold and the specified range are determined in advance from the amplitude value of the current conversion signal SG2.
- the voltage conversion signal determination unit 27 detects noise or the like when the voltage value of the voltage conversion signal SG2 is less than a predetermined threshold value or when the signal length of the voltage conversion signal SG2 is not a predetermined period. Therefore, the detection signal SG4 is not output.
- the voltage conversion signal determination unit 27 determines whether or not the voltage conversion signal SG2 is generated by transmitting the voltage signal through the communication line L2, based on the predetermined threshold and the signal length, so that noise or the like is detected. In this case, the detection signal SG4 is prevented from being erroneously output.
- the voltage conversion signal determination unit 27 has a voltage value of the voltage conversion signal SG2 that is equal to or greater than a predetermined threshold value, and the voltage length of the voltage conversion signal SG2 is within a specified range, although the signal length of the voltage conversion signal SG2 is for a certain period. Is exceeded, it is determined that the current conversion signal SG2 indicates an abnormal value, and an error signal indicating abnormality is included in the detection signal SG4 and output.
- the switching unit 28 is connected to the current conversion signal determination unit 26 and the voltage conversion signal determination unit 27.
- the current conversion signal determination unit 26 determines that the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1.
- the extraction / signal determination unit 30 and the display information generation for performing processing such as generating display information from the command signal SG5 output from the demodulation / waveform shaping unit 23 (a signal obtained by demodulating / shaping the current conversion signal SG1)
- the switch 29 is switched so that the output terminal of the demodulation / waveform shaping unit 23 is connected to the input terminal of the extraction / signal determination unit 30.
- the switching unit 28 receives the detection signal SG4 that does not include an error signal
- the voltage conversion signal determination unit 27 determines that the voltage conversion signal SG2 has been generated by transmitting the voltage signal through the communication line L2. Therefore, in order to transmit the command signal SG6 (the signal obtained by demodulating and shaping the voltage conversion signal SG2) output from the demodulation / waveform shaping unit 25 to the extraction / signal determination unit 30 and the display information generation / output unit 31.
- the switch 29 is switched so that the output terminal of the demodulation / waveform shaping unit 25 is connected to the input terminal of the extraction / signal determination unit 30.
- the switching unit 28 After the switch 29 is switched, the switching unit 28 does not switch the switch 29 until a predetermined period (for example, a period corresponding to one bit length if the communication system is a baseband system) elapses. Thereby, the switching unit 28 prevents the switch 29 from being switched during reception of the current signal or voltage signal.
- a predetermined period for example, a period corresponding to one bit length if the communication system is a baseband system
- the switching unit 28 When the switching unit 28 receives the detection signal SG3 including the error signal, the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1, but the current conversion signal SG1 has an abnormal value. Since it is determined by the current conversion signal determination unit 26, there is a possibility that an abnormality or the like has occurred in the communication unit, so that a signal indicating abnormality is not demodulated / transmitted to the extraction / signal determination unit 30. The connection between the waveform shaping unit 23 and the extraction / signal determination unit 30 is disconnected. In other words, when the switching unit 28 receives the detection signal SG3 including the error signal, the switching unit 28 switches the switch 29 so that the voltage signal receiver 24 (demodulation / waveform shaping unit 25) is connected to the extraction / signal determination unit 30. .
- the switching unit 28 when the switching unit 28 receives the detection signal SG4 including the error signal, the voltage conversion signal SG2 is generated by transmitting the voltage signal through the communication line L2, but the current conversion signal SG2 has an abnormal value. Since it is determined by the voltage conversion signal determination unit 27, there is a possibility that an abnormality or the like has occurred in the communication unit, so that a signal indicating abnormality is not demodulated / transmitted to the extraction / signal determination unit 30. The connection between the waveform shaping unit 25 and the extraction / signal determination unit 30 is disconnected. In other words, the switching unit 28 switches the switch 29 so that the current signal receiver 21 (demodulation / waveform shaping unit 23) is connected to the extraction / signal determination unit 30.
- the switching unit 28 is prevented from receiving a signal indicating an abnormality.
- the switching unit 28 stores a priority order indicating whether the command signal SG5 is preferentially transmitted to the extraction / signal determination unit 30 or the command signal SG6 is preferentially transmitted to the extraction / signal determination unit 30.
- Storage section 28a When the switching unit 28 receives the detection signal SG3 (signal corresponding to the command signal SG5) and the detection signal SG4 (signal corresponding to the command signal SG6) at the same timing regardless of whether or not the error signal is included.
- the command signal to be transmitted to the extraction / signal determination unit 30 and the display information generation / output unit 31 is determined according to the priority order set in advance by the user, and the switch 29 is switched.
- the switching unit 28 determines that the current conversion signal SG1 is generated by the current signal transmitted through the communication line L1, and the timing at which the current conversion signal determination unit 26 determines that the current conversion signal SG1 is generated, and that the voltage signal transmits through the communication line L2.
- the extraction / signal determination unit 30 and the display information generation are performed according to the priority order stored in the storage unit 28a. A command signal to be transmitted to the output unit 31 is determined and the switch 29 is switched.
- the switching unit 28 switches the switch 29 in accordance with the priority order and switches the command signal (command signal SG5 or command signal).
- the signal SG6) can be transmitted to the extraction / signal determination unit 30 and the display information generation / output unit 31.
- the switching unit 28 determines the command signal SG5 as a command signal to be transmitted to the extraction / signal determination unit 30. .
- the switch 29 has one end of two switching ends connected to the output terminal of the demodulation / waveform shaping unit 23 of the current signal receiver 21, and the other end of the switching end of the demodulation / waveform shaping unit 25 of the voltage signal receiver 24. Connected to the output terminal. The fixed end of the switch 29 is connected to the input terminal of the extraction / signal determination unit 30. The switch 29 switches the connection destination of the extraction / signal determination unit 30 to either the demodulation / waveform shaping unit 23 of the current signal receiver 21 or the demodulation / waveform shaping unit 25 of the voltage signal receiver 24.
- the extraction / signal determination unit 30 performs extraction of a current signal from the command signal SG5 (signal corresponding to the current conversion signal SG1), extraction of a voltage signal from the command signal SG6 (signal corresponding to the voltage conversion signal SG2), and the like. .
- the extraction / signal determination unit 30 includes a sampling unit 41, a bit generation unit 42, a control interface unit 43, and an error determination unit 44.
- the sampling unit 41 is connected to the fixed end of the switch 29. When receiving the command signal (command signal SG5 or command signal SG6), the sampling unit 41 samples the received command signal at a predetermined sampling interval, and outputs a command signal (sampling value) after sampling.
- the bit generation unit 42 is connected to the output terminal of the sampling unit 41.
- the bit generation unit 42 obtains a bit value from the received sampling value and outputs the obtained bit value. That is, the bit generation unit 42 outputs a current signal indicated by a bit value corresponding to the command signal SG5 or a voltage signal indicated by a bit value corresponding to the command signal SG6.
- the bit generation unit 42 when the sampling unit 41 performs sampling eight times for one of the values constituting the command signal (command signal SG5 or command signal SG6), the bit generation unit 42, for example, the fourth , 5th and 6th sampling values are divided into those exceeding the threshold and those not exceeding the threshold. Then, for example, the bit generation unit 42 sets the bit value to “1” if the number exceeding the threshold does not exceed, and sets the bit value to “1” if the number exceeding the threshold does not exceed. Set to “0” to output the bit value.
- the bit generation unit 42 extracts the current signal from the command signal SG5 (signal corresponding to the current conversion signal SG1) and the voltage signal from the command signal SG6 (signal corresponding to the voltage conversion signal SG2). I do.
- the error determination unit 44 is connected to one of the two output terminals of the bit generation unit 42.
- the error determination unit 44 determines whether an error such as a parity bit error or a framing error has occurred in the received bit value. .
- the error determination unit 44 generates and outputs error information indicating the content of the error. In this way, the error determination unit 44 determines whether or not an error has occurred in the current signal or the voltage signal. If an error has occurred, the error determination unit 44 outputs error information indicating the occurrence of the error.
- the control interface unit 43 is an interface with the display information generation / output unit 31.
- the control interface unit 43 is connected to the output terminal of the bit generation unit 42 and the output terminal of the error determination unit 44.
- the control interface unit 43 is signal determination information that is information in which a bit value (current signal or voltage signal) corresponding to the command signal output from the bit generation unit 42 and error information output from the error determination unit 44 are collected. Is output to the display information generating / outputting unit 31.
- the control interface unit 43 when error information is not output from the error determination unit 44, the control interface unit 43 generates signal determination information including a bit value corresponding to the command signal, which does not include the error information.
- the control interface unit 43 outputs an interrupt signal to the display information generation / output unit 31 when receiving either the bit value corresponding to the command signal or error information. Then, the display information generation / output unit 31 outputs a signal determination information request signal to the control interface unit 43. In response to this request signal, the control interface unit 43 outputs signal determination information to the display information generation / output unit 31. Thereby, the display information generation / output unit 31 can receive the signal determination information.
- the display information generation / output unit 31 receives the signal determination information (a signal that may include error information in addition to the bit value corresponding to the command signal)
- the display information generation / output unit 31 analyzes the content of the communication from the received signal determination information. .
- the display information generation / output unit 31 includes a signal interface unit 51, a communication analysis unit 52, a display information generation unit 53, a display interface unit 54, and a timer unit 55. ing.
- the signal interface unit 51 is an interface with the extraction / signal determination unit 30.
- the signal interface unit 51 is connected to the output terminal of the extraction / signal determination unit 30.
- the signal interface unit 51 When receiving signal determination information (a signal that may contain error information in addition to the bit value corresponding to the command signal), the signal interface unit 51 outputs the signal determination information to the communication analysis unit 52.
- the communication analysis unit 52 is connected to the output terminal of the signal interface unit 51 and the output terminal of the timer unit 55. Upon receiving signal determination information (a signal that may contain error information in addition to a bit value corresponding to a command signal), the communication analysis unit 52 receives a bit value (current) corresponding to the command signal (command signal SG5 or command signal SG6). The communication frame information is obtained from the signal or voltage signal), and time information indicating the time is obtained from the timer unit 55. Then, the communication analysis unit 52 outputs information in which communication frame information and time information are associated with each other.
- the communication frame information includes, for example, a current signal or voltage signal source address, a current signal or voltage signal destination address, and the like in addition to the current signal or voltage signal.
- the display information generation unit 53 is connected to the communication analysis unit 52. Upon receiving information associated with communication frame information (information generated from either command signal SG5 or command signal SG6) and time information, the display information generation unit 53 can display the information on the display device 11. Display information converted into information in a proper format. The display device 11 that receives the display information can specify the time at which the display information was generated, based on the time information included in the display information.
- the display interface unit 54 is an interface with the display device 11.
- the display interface unit 54 is connected to the output terminal of the display information generation unit 53. When receiving the display information, the display interface unit 54 outputs the display information to the display device 11.
- the display interface unit 54 outputs an interrupt signal to the display device 11 when receiving the display information. Then, the display device 11 outputs a display information request signal to the display interface unit 54. In response to this request signal, the display interface unit 54 outputs display information to the display device 11. Thereby, the display apparatus 11 can receive display information.
- Timer section 55 measures time.
- the display device 11 shown in FIG. 2 is connected to the display information generation / output unit 31.
- the display device 11 displays the received display information.
- the display device 11 includes an output unit interface unit 61, a display control unit 62, a display unit 63, and a display information storage unit 64.
- the output unit interface unit 61 is an interface with the display information generation / output unit 31.
- the output unit interface unit 61 is connected to the output terminal of the display information generation / output unit 31.
- the output unit interface unit 61 outputs the display information to the display control unit 62.
- the output unit interface unit 61 includes display information included in each analysis device 10 (the analysis device 10-1 and the analysis device 10-2 in the first embodiment).
- the generation / output unit 31 is connected.
- the display control unit 62 is connected to the output unit interface unit 61. When receiving the display information, the display control unit 62 stores the received display information in the display information storage unit 64. When a plurality of analysis devices 10 are connected to the output unit interface unit 61, the display control unit 62 includes information indicating the transmission source of the display information in the received display information (for example, the MAC address of the analysis device 10). (Media Access Control address)) is associated and stored in the display information storage unit 64.
- the display control unit 62 reads each display information stored in the display information storage unit 64 if the display information is stored in the display information storage unit 64 more than a predetermined number necessary for display on the screen. . Then, the display control unit 62 associates each piece of display information based on the time information included in the read display information, and integrates each piece of display information into a format that can be displayed on one screen. Thereafter, the display control unit 62 outputs the display information after integration.
- the display unit 63 is connected to the output terminal of the display control unit 62.
- the display unit 63 is a liquid crystal display, for example. Upon receiving the display information after integration, the display unit 63 generates a screen from the display information and displays the screen.
- the display information storage unit 64 is connected to an input / output terminal of the display control unit 62.
- the display information storage unit 64 is, for example, a flash memory.
- the display information storage unit 64 stores the display information received by the display control unit 62.
- the screen displayed on the display unit 63 of the display device 11 described above is, for example, a command display mode screen as shown in FIG.
- This screen is transmitted and received between the command included in the current signal transmitted and received between the outdoor unit communication unit 100 and the indoor unit communication unit 110, and between the indoor unit communication unit 110 and the remote control communication unit 120.
- the commands included in the received voltage signal are displayed for each communication unit. Further, this screen displays each command in association with each other based on the time specified from the time information (the time when the display information is generated).
- a command “05 AA BB” is transmitted from the outdoor unit communication unit 100 to the indoor unit communication unit 110, and thereafter, the indoor unit communication unit 110 transmits the outdoor
- the fact that the command “01 CC DD” is being transmitted to the machine communication unit 100 is displayed.
- This screen allows the user to analyze the command transmission / reception status.
- the screen displayed on the display unit 63 of the display device 11 is, for example, a waveform display mode screen as shown in FIG.
- This screen displays the waveform of the current signal received by the analysis device 10-1 and the waveform of the voltage signal received by the analysis device 10-2 for each analysis device.
- the screen showing the waveforms of these signals shows the bit value corresponding to the command signal (command signal SG5 or command signal SG6), in other words, the current signal or voltage signal, the time specified from the time information (display information is generated). Generated in a time series. This screen allows the user to perform signal waveform analysis.
- the analysis device 10 (analysis device 10-1 and analysis device 10-2) described above performs the processing of the current signal receiver shown in FIG. 8 when the power is turned on and a current is output from the current sensor 13. Start at 21.
- the current-voltage conversion unit 22 of the current signal receiver 21 converts the current output from the current sensor 13 into a voltage, and generates a current conversion signal SG1 (step S11).
- step S11 for example, when a current of 20 mA is output from the current sensor 13, the current-voltage conversion unit 22 converts the current into a voltage signal of 5 volts. For example, when a current of 4 mA is output from the current sensor 13, the current-voltage conversion unit 22 converts the current into a voltage signal of 1 volt.
- the current-voltage conversion unit 22 outputs the current conversion signal SG1 to the current conversion signal determination unit 26 and also to the demodulation / waveform shaping unit 23 (step S12).
- the current conversion signal SG1 output from the current-voltage conversion unit 22 in step S12 is received by the current conversion signal determination unit 26, processing of the current conversion signal determination unit shown in FIG. 9 to be described later is started. .
- the demodulation / waveform shaping unit 23 demodulates the current conversion signal SG1 output from the current-voltage conversion unit 22 and performs waveform shaping (step S13). After that, the demodulation / waveform shaping unit 23 outputs the demodulated and waveform shaped signal (command signal SG5) to one end of the two pairs of switching ends, and ends the processing of the current signal receiver (step 14). .
- step S12 when the current conversion signal SG1 output from the current-voltage conversion unit 22 is received by the current conversion signal determination unit 26, the current conversion signal determination unit 26 displays the current conversion signal determination unit shown in FIG. Start processing.
- the current conversion signal determination unit 26 determines whether the voltage value of the voltage signal (current conversion signal SG1) output from the current-voltage conversion unit 22 is equal to or greater than a predetermined threshold value. It is determined whether or not (step S21). If the current conversion signal determination unit 26 determines that the current conversion signal SG1 is less than a predetermined threshold value (step S21: No), the current conversion signal determination unit 26 ends this process because it is detection of noise or the like.
- step S21 determines that the current conversion signal SG1 is equal to or greater than a predetermined threshold (step S21: Yes), whether or not the period during which the determination continues has passed a certain period. It is determined whether or not the signal length of the current conversion signal SG1 is equal to a certain period (for example, one bit length if the communication method is a baseband method) (step S22). If the current conversion signal determination unit 26 determines that the period that has been determined as Yes in S21 does not exceed the predetermined period (step S22: No), the process returns to step S21.
- a predetermined threshold for example, one bit length if the communication method is a baseband method
- the current conversion signal determination unit 26 processes the current conversion signal SG1 having a signal length that is less than a certain period in the same manner as the detection of noise or the like.
- whether or not the period that has been determined as Yes in S21 exceeds a certain period is determined by providing a timer in the current conversion signal determination unit 26, and the current conversion signal determination unit 26 determines the time measured by the timer. What is necessary is just to comprise so that it may be used.
- step S22 when the current conversion signal determination unit 26 determines that the period that has been determined as Yes in S21 exceeds a certain period (step S22: No), the voltage value of the current conversion signal SG1 is within the standard range. It is determined whether or not there is (step S23). When the current conversion signal determination unit 26 determines that the voltage value of the current conversion signal SG1 is within the standard range (step S23: Yes), the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1. The detection signal SG3 indicating this is output to the switching unit 28, and this process is terminated (step S24).
- the current conversion signal determination unit 26 determines that the voltage value of the current conversion signal SG1 is not within the standard range (step S23: No), the voltage value of the current conversion signal SG1 is equal to or greater than a predetermined threshold value. Although the signal length of the current conversion signal SG1 is for a certain period, since the voltage value of the current conversion signal SG1 exceeds the standard range, the current conversion signal SG1 is an abnormal value. Are output to the switching unit 28, and this process is terminated (step S25).
- the analysis device 10 (analysis device 10-1 and analysis device 10-2), when the power is turned on and the voltage signal is output from the voltage sensor 14, the processing of the voltage signal receiver shown in FIG. Starts at the voltage signal receiver 24.
- the voltage signal receiver 24 In the processing of the voltage signal receiver, first, the voltage signal receiver 24 outputs the voltage conversion signal SG2 generated by the voltage sensor 14 to the voltage conversion signal determination unit 27 and also outputs it to the demodulation / waveform shaping unit 25 (step). S31).
- the voltage conversion signal SG2 output from the voltage signal receiver 24 in step S31 is received by the voltage conversion signal determination unit 27, the processing of the voltage conversion signal determination unit shown in FIG. 11 described later is started.
- step S31 the demodulation / waveform shaping unit 25 demodulates the voltage conversion signal SG2 output from the voltage signal receiver 24 and performs waveform shaping (step S32). Thereafter, the demodulation / waveform shaping unit 25 outputs the demodulated and waveform shaped signal (command signal SG5) to the other end of the two pairs of switching ends, and ends the processing of the voltage signal receiver (step S35). ).
- step S31 when the voltage conversion signal SG2 output from the voltage signal receiver 24 is received by the voltage conversion signal determination unit 27, the voltage conversion signal determination unit 27 performs the process of the voltage conversion signal determination unit illustrated in FIG. To start.
- the voltage conversion signal determination unit 27 determines whether or not the voltage value of the voltage signal (voltage conversion signal SG2) output from the voltage signal receiver 24 is greater than or equal to a predetermined threshold value. (Step S41). If the voltage conversion signal determination unit 27 determines that the voltage conversion signal SG2 is less than the predetermined threshold value (step S41: No), the process ends because it is detection of noise or the like.
- step S41 determines whether or not the voltage conversion signal SG2 is greater than or equal to a predetermined threshold.
- the voltage conversion signal determination unit 27 determines whether or not the period during which the determination continues has passed a certain period. Thus, it is determined whether or not the signal length of the voltage conversion signal SG2 is for a certain period (for example, one bit length if the communication method is a baseband method) (step S42).
- the voltage conversion signal determination unit 27 determines that the period that has been determined as Yes in S41 does not exceed the predetermined period (step S42: No) the process returns to step S41.
- the voltage conversion signal determination unit 27 processes the voltage conversion signal SG2 having a signal length less than a certain period in the same manner as the detection of noise or the like.
- the period during which it is determined as Yes in S41 exceeds a certain period is provided with a timer in the voltage conversion signal determination unit 27, and the time measured by the timer is the voltage conversion signal determination unit 27. May be used.
- step S42 when the voltage conversion signal determination unit 27 determines that the period that has been determined to be Yes in S41 exceeds a certain period (step S42: No), the voltage value of the voltage conversion signal SG2 is within a specified range. It is determined whether or not there is (step S43). When the voltage conversion signal determination unit 27 determines that the voltage value of the voltage conversion signal SG2 is within a specified range (step S43: Yes), the voltage conversion signal SG2 is generated by the transmission of the voltage signal through the communication line L2. The detection signal SG4 indicating that this is output to the switching unit 28, and this process ends (step S44).
- step S43 determines that the voltage value of the voltage conversion signal SG2 is not within the specified range (step S43: No)
- the voltage value of the voltage conversion signal SG2 is equal to or greater than a predetermined threshold value, and the voltage Although the signal length of the conversion signal SG2 is for a certain period, the voltage value of the voltage conversion signal SG2 exceeds the specified range. Therefore, since the voltage conversion signal SG2 is an abnormal value, an error signal is included in the detection signal SG4. Then, the data is output to the switching unit 28, and this process is terminated (step S45).
- the switching unit 28 determines whether or not the detection signal SG3 and the detection signal SG4 are received at the same timing (step S51). If it determines with the switching part 28 not having received at the same timing (step S51: No), it will determine whether the detection signal SG3 was received (step S52).
- step S52: Yes When the switching unit 28 determines that the detection signal SG3 has been received (step S52: Yes), the switching unit 28 proceeds to step S54. On the other hand, when determining that the detection signal SG3 has not been received (step S52: No), the switching unit 28 has received the detection signal SG4, and thus proceeds to step S55.
- step S51 determines in step S51 that the detection signal SG3 and the detection signal SG4 have been received at the same timing (step S51: Yes)
- the extraction / signaling is performed according to the priority order stored in the storage unit 28a. It is determined whether the command signal transmitted to the determination unit 30 is the command signal SG5 or the command signal SG6 (step S53). According to this priority order, the switching unit 28 proceeds to either step S54 or step S55.
- the switching unit 28 determines the command signal SG5 as a command signal to be transmitted to the extraction / signal determination unit 30.
- step S54 the switching unit 28 determines whether or not an error signal is included in the received detection signal SG3 (step S54).
- the switching unit 28 determines that the error signal is not included in the received detection signal SG3 (step S54: No)
- the current conversion signal SG1 is generated because the normal current signal is transmitted through the communication line L1.
- the command signal SG5 demodulated and waveform-shaped signal of the communication signal
- the demodulation / waveform shaping unit 23 current signal receiver 21)
- the switching unit 28 proceeds to step S58.
- step S54 when the switching unit 28 determines that the received detection signal SG3 includes an error signal (step S54: Yes), the current conversion signal SG1 is generated because the current signal is transmitted through the communication line L1. Since the current conversion signal SG1 indicates an abnormal value, there is a possibility that an abnormality or the like has occurred in the communication unit. Therefore, the demodulation / waveform shaping unit 23 and the extraction are performed so as not to receive the current signal indicating the abnormality. Disconnect the connection with the signal determination unit 30 (step S57). In other words, in step S57, when the switching unit 28 receives the detection signal SG3 including the error signal, the voltage signal receiver 24 (demodulation / waveform shaping unit 25) is connected to the extraction / signal determination unit 30. Switch 29 is switched. Thereafter, the switching unit 28 proceeds to step S58.
- step S55 the switching unit 28 determines whether an error signal is included in the received detection signal SG4 (step S55).
- the switching unit 28 determines that the error signal is not included in the received detection signal SG4 (step S55: No)
- the voltage conversion signal SG2 is generated because the normal voltage signal is transmitted through the communication line L2.
- the command signal SG6 demodulated and waveform-shaped communication signal
- the demodulation / waveform shaping unit 25 extracts / signals determination
- the switch 29 is switched so as to be connected to the unit 30 (step S57). Thereafter, the switching unit 28 proceeds to step S58.
- step S55: Yes when the switching unit 28 determines that the received detection signal SG4 includes an error signal (step S55: Yes), the voltage conversion signal SG2 is generated because the voltage signal is transmitted through the communication line L2. Since the voltage conversion signal SG2 indicates an abnormal value, there is a possibility that an abnormality or the like has occurred in the communication unit. Therefore, the demodulation / waveform shaping unit 25 and the extraction are performed so as not to receive the voltage signal indicating the abnormality. Disconnect the connection with the signal determination unit 30 (step S56). In other words, in step S58, the switching unit 28 switches the switch 29 so that the current signal receiver 21 (demodulation / waveform shaping unit 23) is connected to the extraction / signal determination unit 30. Thereafter, the switching unit 28 proceeds to step S58.
- the switching unit 28 performs the process after the determination of Yes in step S55 (step S56) and the process after the determination of Yes in step S54 (step S57), thereby indicating a signal indicating abnormality. (Current signal and voltage signal) are prevented from being received.
- the switching unit 28 determines whether or not a predetermined period (for example, a period of one bit length if the communication system is a baseband system) has elapsed after the switch 29 is switched. (Step S58).
- a predetermined period for example, a period of one bit length if the communication system is a baseband system
- step S58: No When the switching unit 28 determines that the predetermined period has not elapsed (step S58: No), the switching unit 28 repeatedly executes step S58 until the predetermined period elapses. On the other hand, when determining that the predetermined period has elapsed (step S58: Yes), the switching unit 28 ends the processing of the switching unit.
- the switching unit 28 does not switch the switch 29 until a predetermined time elapses after the switch 29 is switched. Thereby, the switching unit 28 prevents the switch 29 from being switched during reception of the current signal or voltage signal. It should be noted that whether or not a predetermined time has elapsed after the switch 29 is switched may be configured such that, for example, a timer is provided in the switching unit 28 and the result measured by the timer is used by the switching unit 28.
- the extraction / signal determination unit 30 starts the processing of the extraction / signal determination unit shown in FIG.
- the sampling unit 41 of the extraction / signal determination unit 30 samples the received command signal (either the command signal SG5 or the command signal SG6) at a predetermined sampling interval, and performs sampling.
- the subsequent command signal (sampling value) is output (step S61).
- the bit generation unit 42 when receiving the sampling value, the bit generation unit 42 obtains a bit value from the received sampling value, and outputs the obtained bit value, that is, a bit value (current signal or voltage signal) corresponding to the command signal (step) S62).
- the error determination unit 44 executes the process of step S63. That is, the error determination unit 44 determines whether an error such as a parity bit error or a framing error has occurred in the received bit value. Then, when an error has occurred in the bit value corresponding to the command signal, the error determination unit 44 generates and outputs error information indicating the content of the error (step S63).
- control interface unit 43 generates signal determination information in which the bit value corresponding to the command signal output from the bit generation unit 42 in step S62 and the error information output from the error determination unit 44 in step S63 are collected. Then, the information is output to the display information generation / output unit 31 (step S64).
- the control interface unit 43 when error information is not output from the error determination unit 44, the control interface unit 43 generates signal determination information including a bit value corresponding to the command signal, which does not include the error information.
- step S64 when receiving the bit value or error information corresponding to the command signal, the control interface unit 43 outputs an interrupt signal to the display information generation / output unit 31. Then, the display information generation / output unit 31 outputs a signal determination information request signal to the control interface unit 43. In response to this request signal, the control interface unit 43 outputs signal determination information to the display information generation / output unit 31. Thereby, the display information generation / output unit 31 can receive the signal determination information.
- the display information generation / output unit 31 starts the processing of the display information generation / output unit shown in FIG.
- the communication analysis unit 52 executes the process of step S71. That is, the signal analysis unit 52 obtains communication frame information from the bit value (current signal or voltage signal) corresponding to the command signal included in the signal determination information, and acquires time information indicating the time from the timer unit 55. Then, the communication analysis unit 52 outputs the communication frame information and the time information in association with each other.
- the communication frame information includes, for example, a current signal or voltage signal source address, a current signal or voltage signal destination address, and the like in addition to the current signal or voltage signal.
- the display information generation unit 53 when receiving the communication frame information and the time information, the display information generation unit 53 generates display information obtained by converting the information into information in a format that can be displayed on the display device 11, and the generated display information is displayed for display.
- the data is output to the interface unit 54 (step S72).
- the display interface unit 54 outputs the display information to the display device 11 (step S73).
- the display interface unit 54 outputs an interrupt signal to the display device 11 when receiving the display information. Then, the display device 11 outputs a display information request signal to the display interface unit 54. In response to this request signal, the display interface unit 54 outputs display information to the display device 11. Thereby, the display apparatus 11 can receive display information.
- the display device 11 starts processing of the display device shown in FIG.
- the display control unit 62 stores the received display information in the display information storage unit 64 (step S81).
- the display control unit 62 includes information indicating the transmission source of the display information in the received display information (for example, a MAC address). ) Are associated and stored in the display information storage unit 64.
- the display control unit 62 determines whether or not display information is stored in the display information storage unit 64 by a predetermined number or more necessary for display on the screen (step S82).
- the display control unit 62 determines that the number of display information stored in the display information storage unit 64 is less than the predetermined number (step S82: No)
- the display information to be displayed on the screen is not stored.
- the processing of this display device is terminated.
- the display control part 62 determines with the number of the display information memorize
- step S63 the display control unit 62 reads each display information stored in the display information storage unit 64, associates each display information with the time information included in the read display information, and displays each display information. Are integrated into a format that can be displayed on one screen. Then, the display control unit 62 outputs the display information after integration to the display unit 63 (step S83).
- the display unit 63 When receiving the display information after integration, the display unit 63 generates a screen from the display information and displays the screen (see, for example, FIG. 6 or FIG. 7) (step S84). Thereafter, the display unit 63 ends the processing of the display device.
- the switching unit 28 is determined by the current conversion signal determination unit 26 that the current conversion signal SG1 is generated because the current signal is transmitted through the communication line L1.
- the current conversion signal SG1 generated by the current-voltage conversion unit 22 is transmitted to the extraction / signal determination unit 30, while the voltage conversion signal SG2 generated by the voltage sensor 14 is transmitted to the extraction / signal determination unit 30. Switch not to transmit.
- the switching unit 28 when the voltage conversion signal determination unit 27 determines that the voltage conversion signal SG2 has been generated by transmitting the voltage signal through the communication line L2, the voltage conversion signal SG2 generated by the voltage sensor 14.
- the signal source device that is the basis for generating the display information is automatically switched to either the current signal receiver 21 or the voltage signal receiver 24. Therefore, according to the analysis device 10, even if a current signal is transmitted / received on one communication line L1 and a voltage signal is transmitted / received on the other communication line L2, either one of the communication lines L1 is automatically switched. Can also be received to generate display information.
- the extraction / signal determination unit 30 and the display information generation / output unit have a function of generating display information based on either the received current signal or the received voltage signal and outputting the display information to the display device 11. 31 can be shared by the current signal and the voltage signal. Therefore, according to the analysis apparatus 10 according to the first embodiment, there is no duplication of functions for generating display information and outputting the generated display information.
- a signal transmitted and received on the communication line L1 is a current signal or a voltage signal.
- the current sensor 13 and the voltage sensor 14 are arranged on the communication line L1, a signal transmitted through the communication line L1 can be received without causing a reception error due to a sensor arrangement error.
- display information that can be displayed on the display device 11 is generated based on either the received current signal or the received voltage signal, and is output to the display device 11. Therefore, according to the analysis device 10, the user who viewed the screen displayed on the display device 11 can analyze the command transmission / reception status (see FIG. 6), analyze the signal waveform (see FIG. 7), and the like. Yes.
- the analysis apparatus 10 according to the second embodiment is obtained by changing a part of the processing of the analysis apparatus 10 according to the first embodiment. Specifically, the process executed by the current conversion signal determination unit 26 and the voltage conversion signal determination The processing executed by the unit 27 is changed.
- Other processes and configuration of the analysis apparatus 10 according to the second embodiment are the same as those of the analysis apparatus 10 according to the first embodiment. Therefore, for the analysis device 10 according to the second embodiment, the same configuration and the same processing as those of the analysis device 10 of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- the analysis device 10 determines whether the frequency of the current conversion signal SG1 generated by the current-voltage conversion unit 22 satisfies the condition, so that the current signal is transmitted through the communication line L1. Thus, it is determined whether the current conversion signal SG1 is generated. Further, the analysis device 10 according to the second embodiment determines whether the frequency of the voltage conversion signal SG2 generated by the voltage sensor 14 satisfies the condition, so that the voltage signal is transmitted through the communication line L2. It is determined whether the conversion signal SG2 has been generated. Therefore, the analysis apparatus 10 according to the second embodiment is employed when the transmission method of signals transmitted and received between communication units is a frequency modulation method. Therefore, the following description will be made assuming that the signal transmission method is a frequency modulation method.
- the current signal receiver 21 of the analysis apparatus 10 performs current signal receiver processing (see FIG. 8), and the current-voltage conversion unit 22 of the current signal receiver 21 generates a current conversion signal SG1.
- the current conversion signal determination unit 26 starts processing of the current conversion signal determination unit illustrated in FIG.
- the current conversion signal determination unit 26 first determines whether or not the minimum frequency of the current conversion signal SG1 generated by the current-voltage conversion unit 22 is equal to or higher than a predetermined threshold frequency (step S91). In addition, what is necessary is just to obtain
- the predetermined threshold frequency is determined in advance from the modulation width (variation width) of the current conversion signal SG1.
- step S91 determines that the minimum frequency of the current conversion signal SG1 is less than the threshold frequency (step S91: No). If the current conversion signal determination unit 26 determines that the minimum frequency of the current conversion signal SG1 is less than the threshold frequency (step S91: No), the current conversion signal determination unit 26 ends this process because it is detection of noise or the like.
- step S91 determines that the minimum frequency of the current conversion signal SG1 is equal to or higher than the threshold frequency (step S91: Yes), whether or not the period during which the determination has continued has passed a certain period. It is determined whether or not the signal length of the current conversion signal SG1 is for a certain period (step S92). If the current conversion signal determination unit 26 determines that the period that has been determined to be Yes in S91 does not exceed the predetermined period (step S92: No), the process returns to step S91.
- the current conversion signal determination unit 26 processes the current conversion signal SG1 having a signal length that is less than a certain period in the same manner as the detection of noise or the like.
- step S92 when the current conversion signal determination unit 26 determines that the period that has been determined as Yes in S91 exceeds a certain period (step S92: No), the maximum frequency of the current conversion signal SG1 is the standard frequency. It is determined whether it is within the range (step S93).
- the standard frequency range is determined in advance from the modulation width (variation width) of the current conversion signal SG1.
- the maximum frequency of the current conversion signal SG1 may be obtained from the wavelength of the current conversion signal SG1 obtained from the time interval between the peak values of the current conversion signal SG1 (for example, between the maximum values).
- step S93: Yes If the current conversion signal determination unit 26 determines that the maximum frequency of the current conversion signal SG1 is within the standard frequency range (step S93: Yes), the current conversion signal SG1 is transmitted as the current signal is transmitted through the communication line L1. A detection signal SG3 indicating that has been generated is output to the switching unit 28, and this process ends (step S24).
- the current conversion signal determination unit 26 determines whether the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1, based on the predetermined threshold frequency and the signal length. And the like, the detection signal SG3 is prevented from being erroneously output.
- the current conversion signal determination unit 26 determines that the maximum frequency of the current conversion signal SG1 is not within the standard frequency range (step S93: No)
- the minimum frequency of the current conversion signal SG1 is determined in advance. Although it is equal to or higher than the threshold frequency and the signal length of the current conversion signal SG1 is for a certain period, the maximum frequency of the current conversion signal SG1 exceeds the standard frequency range, so that the current conversion signal SG1 is an abnormal value.
- the error signal is included in the detection signal SG3 and output to the switching unit 28, and this process is terminated (step S25).
- the voltage signal receiver 24 (see FIG. 10) is executed by the voltage signal receiver 24 of the analysis apparatus 10 according to the second embodiment, and the voltage conversion signal SG2 is output from the voltage signal receiver 24.
- the voltage conversion signal determination unit 27 starts processing of the voltage conversion signal determination unit shown in FIG.
- the voltage conversion signal determination unit 27 first determines whether or not the minimum frequency of the voltage conversion signal SG2 output from the voltage signal receiver 24 is equal to or higher than a predetermined threshold frequency (step S101). In addition, what is necessary is just to obtain
- the predetermined threshold frequency is determined in advance from the modulation width (variation width) of the voltage conversion signal SG2.
- step S101: No When the voltage conversion signal determination unit 27 determines that the minimum frequency of the voltage conversion signal SG2 is less than the predetermined threshold frequency (step S101: No), this process ends because it is detection of noise or the like.
- step S101 determines that the minimum frequency of the voltage conversion signal SG2 is equal to or higher than a predetermined threshold frequency (step S101: Yes)
- step S102 determines whether or not the signal length of the voltage conversion signal SG2 is for a certain period.
- the voltage conversion signal determination unit 27 processes the voltage conversion signal SG2 having a signal length less than a certain period in the same manner as the detection of noise or the like.
- step S102 when the voltage conversion signal determination unit 27 determines that the period that has been determined as Yes in S101 has exceeded a certain period (step S102: No), the maximum frequency of the voltage conversion signal SG2 is a specified frequency. It is determined whether it is within the range (step S103).
- the range of the prescribed frequency is determined in advance from the modulation width (variation width) of the voltage conversion signal SG2.
- the maximum frequency of the voltage conversion signal SG2 may be obtained from the wavelength of the voltage conversion signal SG2 obtained from the time interval between the peak values (for example, the minimum values) of the voltage conversion signal SG2.
- step S103 When the voltage conversion signal determination unit 27 determines that the maximum frequency of the voltage conversion signal SG2 is within the specified frequency range (step S103: Yes), the voltage conversion signal SG2 is transmitted as the voltage signal is transmitted through the communication line L2. A detection signal SG4 indicating that has been generated is output to the switching unit 28, and this process ends (step S44).
- the voltage conversion signal determination unit 27 determines whether or not the voltage conversion signal SG2 is generated by transmitting the voltage signal through the communication line L2, based on the predetermined threshold frequency and the signal length. When detected, the detection signal SG4 is prevented from being erroneously output.
- the voltage conversion signal determination unit 27 determines that the maximum frequency of the voltage conversion signal SG2 is not within the specified frequency range (step S103: No)
- the minimum frequency of the voltage conversion signal SG2 is a predetermined threshold frequency.
- the signal length of the voltage conversion signal SG2 is for a certain period
- the maximum frequency of the voltage conversion signal SG2 exceeds the specified frequency range
- the voltage conversion signal SG2 is an abnormal value.
- An error signal is included in the signal SG4 and output to the switching unit 28, and this process is terminated (step S45).
- the analysis device 10 determines whether the frequency of the current conversion signal SG1 generated by the current-voltage conversion unit 22 satisfies the predetermined threshold frequency range and the standard frequency range. Whether or not the frequency of the voltage conversion signal SG2 generated by the voltage sensor 14 satisfies a predetermined threshold frequency and a predetermined frequency range is transmitted as a basis signal for generating display information
- the original device is automatically switched to either the current signal receiver 21 or the voltage signal receiver 24. Therefore, according to the analysis apparatus 10 according to the second embodiment, it is possible to generate display information even when the transmission method of signals transmitted and received between communication units is a frequency modulation method.
- the switching unit 28 indicates that the current conversion signal SG1 is generated by transmitting the current signal through the communication line L1.
- the current conversion signal determination unit 26 determines, the current conversion signal SG1 generated by the current-voltage conversion unit 22 is transmitted to the extraction / signal determination unit 30, while the voltage conversion signal generated by the voltage sensor 14 is transmitted. Switching to not transmit SG2 to the extraction / signal determination unit 30 is performed. Further, the switching unit 28, when the voltage conversion signal determination unit 27 determines that the voltage conversion signal SG2 has been generated by transmitting the voltage signal through the communication line L2, the voltage conversion signal SG2 generated by the voltage sensor 14.
- the extraction / signal determination unit 30 and the display information generation / output unit have a function of generating display information based on either the received current signal or the received voltage signal and outputting the display information to the display device 11. 31 can be shared by the current signal and the voltage signal. Therefore, according to the analysis apparatus 10 according to the first embodiment, there is no duplication of functions for generating display information and outputting the generated display information.
- the analysis device 10 according to the second embodiment as in the analysis device 10 according to the first embodiment, for example, in a situation where only the communication line L1 is provided (in a situation where the communication line L2 is not provided). If the current sensor 13 and the voltage sensor 14 are arranged on the communication line L1 regardless of whether the signal transmitted or received on the communication line L1 is a current signal or a voltage signal, a reception error due to a sensor arrangement error occurs. The signal transmitted through the communication line L1 can be received.
- a display that can be displayed on the display device 11 based on either the received current signal or the received voltage signal. Information is generated and output to the display device 11. Therefore, according to the analysis device 10 according to the second embodiment, the user who viewed the screen displayed on the display device 11 can analyze the command transmission / reception status (see FIG. 6) or the signal waveform analysis (see FIG. 7). ) Etc. are made possible.
- the analysis apparatus 10 performs automatic switching of the transmission source of a signal that is a basis for generating display information, and the voltage value of the current conversion signal SG1 generated by the current-voltage conversion unit 22 is The determination was made according to whether or not a predetermined threshold value and a standard range are satisfied, and whether or not the voltage value of the voltage conversion signal SG2 generated by the voltage sensor 14 satisfies a predetermined threshold value and a specified range.
- the analysis device 10 performs automatic switching of the transmission source of a signal that is a basis for generating display information, and the frequency of the current conversion signal SG1 generated by the current-voltage conversion unit 22 is Judgment whether or not a predetermined threshold frequency and a standard frequency range are satisfied, and whether or not the frequency of the voltage conversion signal SG2 generated by the voltage sensor 14 satisfies a predetermined threshold frequency and a specified frequency range Went according to.
- the present invention is not limited to this, and both the determination based on the voltage value and the determination based on the frequency described above are performed by the analysis device 10 and the source of the signal that is the basis for generating the display information is determined.
- the analysis apparatus 10 may be configured to perform automatic switching.
- the current conversion signal determination unit 26 may perform processing as follows. That is, the current conversion signal determination unit 26 first executes step S21 (see FIG. 9), and executes step S91 (see FIG. 16) when it determines Yes in step S21. And if the current conversion signal determination part 26 determines Yes in step S91, it will perform step S22 (refer FIG. 9). Thereafter, if the current conversion signal determination unit 26 determines No in step S22, the current conversion signal determination unit 26 returns to step S21, and if it determines Yes in step S22, executes step S23. Thereafter, if the current conversion signal determination unit 26 determines Yes in step S23, it executes step S24, and if it determines No in step S23, it executes step S25.
- the current conversion signal determination unit 26 ends the process.
- the current conversion signal determination part 26 complete finishes a process, also when it determines with No by step S21, and when it determines No by step S91 (refer FIG. 16). In the case of the above-described configuration, the current conversion signal determination unit 26 may perform this process.
- the voltage conversion signal determination unit 27 may perform processing as follows. That is, the voltage conversion signal determination unit 27 first executes step S41 (see FIG. 11), and executes step S101 (see FIG. 17) when determining Yes in step S41. And if the voltage conversion signal determination part 27 determines with Yes at step S101, step S42 (refer FIG. 11) will be performed. Thereafter, when the voltage conversion signal determination unit 27 determines No in step S42, the voltage conversion signal determination unit 27 returns to step S41, and when it determines Yes in step S42, executes step S43. After that, the voltage conversion signal determination unit 27 executes Step S44 when determining Yes in Step S43, and executes Step S45 when determining No in Step S43.
- the voltage conversion signal determination unit 27 ends the process.
- the voltage conversion signal determination part 27 complete finishes a process, also when it determines with No by step S41, and when it determines No by step S101 (refer FIG. 17). In the case of the configuration described above, the voltage conversion signal determination unit 27 may perform this process.
- the demodulation / waveform shaping units 23 and 25 are provided in the previous stage of the switch 29.
- the present invention is not limited to this, and the demodulation / waveform shaping units 23 and 25 are connected to the switch 29.
- the latter stage specifically, may be provided between the switch 29 and the extraction / signal determination unit 30.
- the demodulation / waveform shaping unit can be shared for the current signal and the voltage signal.
- the analysis apparatus 10 of the first embodiment includes the demodulation / waveform shaping units 23 and 25.
- the demodulation / waveform shaping units 23 and 25 are unnecessary.
- the demodulation / waveform shaping units 23 and 25 are removed from the analysis apparatus 10 of the first embodiment, the output terminal of the current-voltage conversion unit 22 is connected to one end of the switching end of the switch 29, and the voltage sensor 14 is connected. The output terminal may be connected to the other end of the switching end of the switch 29.
- the analysis device 10 (the analysis device 10-1 and the analysis device 10-2) and the display device 11 may perform wired communication or wireless communication.
- the program for controlling the analysis device 10 is a flexible disk, a CD-ROM (Compact Disc-Read-Only Memory), a DVD (Digital Versatile Disc), an MO (Magneto-Optical Disc), or the like.
- An analysis device that executes the processes shown in FIGS. 8 to 17 may be configured by storing and distributing the program in a computer-readable recording medium and installing the program in a computer or the like.
- the above-described program may be stored in a disk device or the like included in a predetermined server device on a communication network such as the Internet, and may be downloaded, for example, superimposed on a carrier wave.
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Abstract
Description
以下、本発明の実施の形態1に係る解析装置10を、図1~図15を参照して説明する。解析装置10は、図1に示すように、電流センサ13と、電圧センサ14と、を備えている。
次に、本発明の実施の形態2に係る解析装置10を、図16および図17を参照して説明する。実施の形態2に係る解析装置10は、実施の形態1の解析装置10の処理の一部を変更したもの、具体的には、電流変換信号判定部26で実行される処理および電圧変換信号判定部27で実行される処理を変更したものである。実施の形態2に係る解析装置10のその他の処理および構成は、実施の形態1の解析装置10と同一である。よって、実施の形態2に係る解析装置10については、実施の形態1の解析装置10と同一の構成・同一の処理については同一の番号を付して、その説明を省略する。
11 表示装置
13 電流センサ
14 電圧センサ
21 電流信号レシーバ
22 電流-電圧変換部
23,25 復調・波形整形部
24 電圧信号レシーバ
26 電流変換信号判定部
27 電圧変換信号判定部
28 切換部
28a 記憶部
29 スイッチ
30 抽出・信号判定部
31 表示情報生成・出力部
41 サンプリング部
42 ビット生成部
43 制御用インターフェイス部
44 エラー判定部
51 信号用インターフェイス部
52 通信解析部
53 表示情報生成部
54 表示用インターフェイス部
55 タイマ部
61 出力部用インターフェイス部
62 表示制御部
63 表示部
64 表示情報記憶部
100 室外機用通信ユニット
110 室内機用通信ユニット
120 リモコン用通信ユニット
Claims (11)
- 通信線を流れる電流の値の大きさに対応した電圧値を示す電流変換信号を生成する電流変換信号生成部と、
前記電流変換信号生成部で生成された電流変換信号が予め定められた条件を満たすかを判定することで、電流値の大きさによって情報を伝える電流信号が通信線を伝送したことで前記電流変換信号が生成されたかを判定する電流変換信号判定部と、
通信線に印加される電圧の値の大きさに対応した電圧値を示す電圧変換信号を生成する電圧変換信号生成部と、
前記電圧変換信号生成部で生成された電圧変換信号が所定の条件を満たすかを判定することで、電圧値の大きさによって情報を伝える電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたかを判定する電圧変換信号判定部と、
前記電流変換信号生成部で生成された電流変換信号、または前記電圧変換信号生成部で生成された電圧変換信号のいずれかから、表示情報を生成する表示情報生成部と、
前記表示情報生成部により生成された表示情報を、前記表示情報の表示が可能な表示装置へ出力する出力部と、
前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと前記電流変換信号判定部で判定された場合に、前記電流変換信号生成部で生成された電流変換信号を前記表示情報生成部へ伝送する一方で、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送しない切り換えを行い、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと前記電圧変換信号判定部で判定された場合に、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送する一方で、前記電流変換信号生成部で生成された電流変換信号を前記表示情報生成部へ伝送しない切り換えを行う切換部と、
を備える解析装置。 - 前記電流変換信号判定部は、
前記電流変換信号生成部で生成された電流変換信号の示す電圧値が予め定められた閾値以上であるかを判定する電流閾値判定部と、
前記電流変換信号の示す電圧値が予め定められた閾値以上であると前記電流閾値判定部によって判定され続けている期間が、予め定められた期間を経過したかを判定する電流期間判定部とを備え、
前記電流変換信号の示す電圧値が予め定められた閾値以上であると前記電流閾値判定部によって判定され続けている期間が、前記予め定められた期間を経過したと前記電流期間判定部により判定された場合に、前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと判定し、
前記電圧変換信号判定部は、
前記電圧変換信号生成部で生成された電圧変換信号の示す電圧値が所定の閾値以上であるかを判定する電圧閾値判定部と、
前記電圧変換信号の示す電圧値が所定の閾値以上であると前記電圧閾値判定部によって判定され続けている期間が、所定の期間を経過したかを判定する電圧期間判定部とを備え、
前記電圧変換信号の示す電圧値が所定の閾値以上であると前記電圧閾値判定部によって判定され続けている期間が、前記所定の期間を経過したと前記電圧期間判定部により判定された場合に、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと判定する、
請求項1に記載の解析装置。 - 前記電流変換信号判定部は、
更に、前記電流変換信号の示す電圧値が予め定められた閾値以上であると前記電流閾値判定部によって判定され続けている期間が、前記予め定められた期間を経過したと前記電流期間判定部により判定された場合に、前記電流変換信号の示す電圧値が、規格の範囲内であるかを判定する電流範囲判定部を備え、
前記電流変換信号の示す電圧値が前記規格の範囲内であると前記電流範囲判定部によって判定された場合に、前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと判定し、前記電流変換信号の示す電圧値が前記規格の範囲内でないと前記電流範囲判定部によって判定された場合に、前記電流変換信号生成部で生成された電流変換信号が異常を示すと判定し、
前記電圧変換信号判定部は、
更に、前記電圧変換信号の示す電圧値が所定の閾値以上であると前記電圧閾値判定部によって判定され続けている期間が、前記所定の期間を経過したと前記電圧期間判定部により判定された場合に、前記電圧変換信号の示す電圧値が、前記規定の範囲内であるかを判定する電圧範囲判定部を備え、
前記電圧変換信号の示す電圧値が前記規定の範囲内であると前記電圧範囲判定部によって判定された場合に、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと判定し、前記電圧変換信号の示す電圧値が前記規定の範囲内でないと前記電圧範囲判定部によって判定された場合に、前記電圧変換信号生成部で生成された電圧変換信号が異常を示すと判定し、
前記切換部は、
前記電流変換信号が異常を示すと前記電流変換信号判定部により判定された場合に、前記電流変換信号生成部で生成された電流変換信号を前記表示情報生成部へ伝送しない一方で、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送する切り換えを行い、前記電圧変換信号生成部で生成された電圧変換信号が異常を示すと前記電圧変換信号判定部により判定された場合に、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送しない一方で、前記電流変換信号生成部で生成される電流変換信号を前記表示情報生成部へ伝送する切り換えを行う、
請求項2に記載の解析装置。 - 前記電流変換信号判定部は、
前記電流変換信号生成部で生成された電流変換信号の示す周波数が予め定められた閾値周波数以上であるかを判定する電流周波数判定部を備え、
前記電流変換信号生成部で生成された電流変換信号の示す周波数が前記予め定められた閾値周波数以上であると前記電流周波数判定部により判定された場合に、前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと判定し、
前記電圧変換信号判定部は、
前記電圧変換信号生成部で生成された電圧変換信号の示す周波数が所定の閾値周波数以上であるかを判定する電圧周波数判定部を備え、
前記電圧変換信号生成部で生成された電圧変換信号の示す周波数が前記所定の閾値周波数以上であると前記電圧周波数判定部により判定された場合に、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと判定する、
請求項1に記載の解析装置。 - 前記電流変換信号判定部は、
更に、前記電流変換信号生成部で生成された電流変換信号の示す周波数が前記予め定められた閾値周波数以上であると前記電流周波数判定部により判定された場合に、前記電流変換信号の示す周波数が、規格の周波数範囲内であるかを判定する電流周波数範囲判定部を備え、
前記電流変換信号の示す周波数が前記規格の周波数範囲内であると前記電流周波数範囲判定部によって判定された場合に、前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと判定し、前記電流変換信号の示す周波数が前記規格の周波数範囲内でないと前記電流周波数範囲判定部によって判定された場合に、前記電流変換信号生成部で生成された電流変換信号が異常を示すと判定し、
前記電圧変換信号判定部は、
更に、前記電圧変換信号の示す周波数が前記所定の閾値周波数以上であると前記電圧周波数判定部により判定された場合に、前記電圧変換信号の示す周波数が、規定の周波数範囲内であるかを判定する電圧周波数範囲判定部を備え、
前記電圧変換信号の示す周波数が前記規定の周波数範囲内であると前記電圧周波数範囲判定部によって判定された場合に、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと判定し、前記電圧変換信号の示す周波数が前記規定の周波数範囲内でないと前記電圧周波数範囲判定部によって判定された場合に、前記電圧変換信号生成部で生成された電圧変換信号が異常を示すと判定し、
前記切換部は、
前記電流変換信号が異常を示すと前記電流変換信号判定部により判定された場合に、前記電流変換信号生成部で生成された電流変換信号を前記表示情報生成部へ伝送しない一方で、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送する切り換えを行い、前記電圧変換信号生成部で生成された電圧変換信号が異常を示すと前記電圧変換信号判定部により判定された場合に、前記電圧変換信号生成部で生成された電圧変換信号を前記表示情報生成部へ伝送しない一方で、前記電流変換信号生成部で生成される電流変換信号を前記表示情報生成部へ伝送する切り換えを行う、
請求項4に記載の解析装置。 - 前記切換部は、
前記電流変換信号を優先的に前記表示情報生成部へ伝送するか、または、前記電圧変換信号を優先的に前記表示情報生成部へ伝送するかを示す優先順位を記憶する記憶部を備え、
前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと前記電流変換信号判定部で判定されたタイミングと、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと前記電圧変換信号判定部で判定されたタイミングとが、同一のタイミングの場合に、前記記憶部に記憶された優先順位に従って前記切り換えを行う、
請求項1から5のいずれか1項に記載の解析装置。 - 前記切換部は、前記切り換えを行った後、所定時間が経過するまで、前記切り換えを新たに行うことを防止する切換防止部を備える、
請求項1から6のいずれか1項に記載の解析装置。 - 前記表示装置を備え、
前記表示装置は、前記出力部により出力された表示情報の各々を、1つの画面に表示可能な形式に統合した後、統合後の表示情報を表示する、
請求項1から7のいずれか1項に記載の解析装置。 - 前記表示装置は、前記出力部により出力された表示情報に含まれる、表示情報が生成された時刻を表す時刻情報に基づいて、前記表示情報の各々を対応付けて統合した後、前記統合後の表示情報を表示する、
請求項8に記載の解析装置。 - 解析装置の解析方法であって、
前記解析装置が、通信線を流れる電流の値の大きさに対応した電圧値を示す電流変換信号を生成する電流変換信号生成ステップと、
前記解析装置が、前記電流変換信号生成ステップで生成された電流変換信号が予め定められた条件を満たすかを判定することで、電流値の大きさによって情報を伝える電流信号が通信線を伝送したことで前記電流変換信号が生成されたかを判定する電流変換信号判定ステップと、
前記解析装置が、通信線に印加される電圧の値の大きさに対応した電圧値を示す電圧変換信号を生成する電圧変換信号生成ステップと、
前記解析装置が、前記電圧変換信号生成ステップで生成された電圧変換信号が所定の条件を満たすかを判定することで、電圧値の大きさによって情報を伝える電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたかを判定する電圧変換信号判定ステップと、
前記解析装置が、前記電流変換信号生成ステップで生成された電流変換信号、または前記電圧変換信号生成ステップで生成された電圧変換信号のいずれかから、表示情報を生成する表示情報生成ステップと、
前記解析装置が、前記表示情報生成ステップにより生成された表示情報を、前記表示情報の表示が可能な表示装置へ出力する出力ステップと、
前記解析装置が、前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと前記電流変換信号判定ステップで判定された場合に、前記電流変換信号生成ステップで生成された電流変換信号から前記表示情報を前記表示情報生成ステップで生成させる一方で、前記電圧変換信号生成ステップで生成された電圧変換信号から前記表示情報を前記表示情報生成ステップで生成させない切り換えを行い、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと前記電圧変換信号判定ステップで判定された場合に、前記電圧変換信号生成ステップで生成された電圧変換信号から前記表示情報を前記表示情報生成ステップで生成させる一方で、前記電流変換信号生成ステップで生成された電流変換信号から前記表示情報を前記表示情報生成ステップで生成させない切り換えを行う切換ステップと、
を備える解析方法。 - 解析装置を制御するコンピュータに、
通信線を流れる電流の値の大きさに対応した電圧値を示す電流変換信号を生成する電流変換信号生成機能、
前記電流変換信号生成機能で生成された電流変換信号が予め定められた条件を満たすかを判定することで、電流値の大きさによって情報を伝える電流信号が通信線を伝送したことで前記電流変換信号が生成されたかを判定する電流変換信号判定機能、
通信線に印加される電圧の値の大きさに対応した電圧値を示す電圧変換信号を生成する電圧変換信号生成機能、
前記電圧変換信号生成機能で生成された電圧変換信号が所定の条件を満たすかを判定することで、電圧値の大きさによって情報を伝える電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたかを判定する電圧変換信号判定機能、
前記電流変換信号生成機能で生成された電流変換信号、または前記電圧変換信号生成機能で生成された電圧変換信号のいずれかから、表示情報を生成する表示情報生成機能、
前記表示情報生成機能により生成された表示情報を、前記表示情報の表示が可能な表示装置へ出力する出力機能、
前記電流信号が通信線を伝送したことで前記電流変換信号が生成されたと前記電流変換信号判定機能で判定された場合に、前記電流変換信号生成機能で生成された電流変換信号から前記表示情報を前記表示情報生成機能で生成させる一方で、前記電圧変換信号生成機能で生成された電圧変換信号から前記表示情報を前記表示情報生成機能で生成させない切り換えを行い、前記電圧信号が通信線を伝送したことで前記電圧変換信号が生成されたと前記電圧変換信号判定機能で判定された場合に、前記電圧変換信号生成機能で生成された電圧変換信号から前記表示情報を前記表示情報生成機能で生成させる一方で、前記電流変換信号生成機能で生成された電流変換信号から前記表示情報を前記表示情報生成機能で生成させない切り換えを行う切換機能、
を実現させるプログラム。
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GB1420639.5A GB2517856B (en) | 2012-06-14 | 2012-06-14 | Analysis device, analysis method, and program |
PCT/JP2012/065286 WO2013186908A1 (ja) | 2012-06-14 | 2012-06-14 | 解析装置、解析方法およびプログラム |
US14/401,724 US10281495B2 (en) | 2012-06-14 | 2012-06-14 | Analysis device, analysis method, and program |
JP2014521071A JP5805316B2 (ja) | 2012-06-14 | 2012-06-14 | 解析装置、解析方法およびプログラム |
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CN108234901B (zh) * | 2016-12-21 | 2020-09-18 | 杭州海康威视数字技术股份有限公司 | 一种视频拼接方法及视频控制设备 |
JP2019115017A (ja) * | 2017-12-26 | 2019-07-11 | オムロン株式会社 | アナログ信号入出力装置およびアナログ信号入出力装置の制御方法 |
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JPH05300154A (ja) * | 1991-07-10 | 1993-11-12 | Hewlett Packard Co <Hp> | Lanのノイズ・モニタ |
JP2006054755A (ja) * | 2004-08-13 | 2006-02-23 | Hitachi Ltd | 通信状態解析システム |
JP2009510909A (ja) * | 2005-09-29 | 2009-03-12 | フィッシャー−ローズマウント システムズ, インコーポレイテッド | ネットワーク上の動作周波数内にあるノイズの検出 |
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US4829298A (en) * | 1983-04-13 | 1989-05-09 | Fernandes Roosevelt A | Electrical power line monitoring systems, including harmonic value measurements and relaying communications |
JP2007251384A (ja) | 2006-03-14 | 2007-09-27 | Toshiba Corp | ネットワーク監視装置及び方法並びにプログラム |
JP5369010B2 (ja) * | 2010-01-25 | 2013-12-18 | パナソニック株式会社 | 通信システム |
JP5178774B2 (ja) | 2010-05-10 | 2013-04-10 | 三菱電機株式会社 | 空調通信情報収集装置、空調通信情報収集システム、空調通信情報収集方法及びプログラム |
US8929053B2 (en) * | 2010-09-13 | 2015-01-06 | William Henry Morong | Direct-current current transformer |
US9043002B2 (en) * | 2011-01-31 | 2015-05-26 | Myoonet, Inc. | Adaptive control of electrical devices to achieve desired power use characteristics |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH05300154A (ja) * | 1991-07-10 | 1993-11-12 | Hewlett Packard Co <Hp> | Lanのノイズ・モニタ |
JP2006054755A (ja) * | 2004-08-13 | 2006-02-23 | Hitachi Ltd | 通信状態解析システム |
JP2009510909A (ja) * | 2005-09-29 | 2009-03-12 | フィッシャー−ローズマウント システムズ, インコーポレイテッド | ネットワーク上の動作周波数内にあるノイズの検出 |
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US10281495B2 (en) | 2019-05-07 |
JPWO2013186908A1 (ja) | 2016-02-01 |
JP5805316B2 (ja) | 2015-11-04 |
GB2517856B (en) | 2020-08-26 |
GB2517856A (en) | 2015-03-04 |
GB201420639D0 (en) | 2015-01-07 |
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