JPH09178246A - Controller for separate type air conditioning equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve an inspection of a substrate of a controller for separate type air conditioning equipment handily and moreover with higher reliability without requiring a port for inspection, signal transmitting/receiving means exclusively for inspection and the like. SOLUTION: This controller has control signal transmitting/receiving means 13 and 15 to transmit or receive a control signal between room units and an outdoor unit by the control signal transmitting/receiving means 13 and 15. It is judged whether an input command received by the control signal transmitting/ receiving means 13 and 15 is an inspection mode switching command and an inspection mode is entered by fetching the inspection mode switching command from an inspection device 50 connected to the control signal transmitting/ receiving means 13 and 15. The results of the inspection are transmitted to the inspection device 50 connected to the control signal transmitting/receiving means 13 and 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for a separate type air conditioner, and more particularly to a control device provided in an indoor unit and an outdoor unit that are bidirectionally connected by a serial communication control line. .

[0002]

2. Description of the Related Art FIG. 19 shows the structure of a conventional separate type air conditioner. In FIG. 19, reference numeral 100 denotes an indoor unit control device, and 200 denotes an outdoor unit control device. Indoor unit control device 100 and outdoor unit control device 200
Are microcomputers 101 and 201, air conditioning control means 102 and 202, and control signal receiving means 10, respectively.
3, 203, command analysis means 104, 204, and control signal transmission means 105, 205, which are connected by an indoor / outdoor serial communication control line 300 so as to be capable of bidirectional communication.

Further, control devices 100 and 2 for indoor units and outdoor units
00 is provided with inspection-dedicated signal receiving means 106 and 206 and inspection-dedicated signal transmission means 107 and 207 for inspecting a control board built therein, and receives an inspection-dedicated signal during board inspection. The inspection machine 400 is bidirectionally connected by the inspection-dedicated control lines 301 and 302 connected to the means 106 and 206 and the inspection-dedicated signal transmission means 107 and 207.

This separate type air conditioner normally operates as a control device 100 or 200 for an indoor unit or an outdoor unit.
The microcomputer 101, 201 transmits the compressor operation request signal and the indoor / outdoor temperature signal from the control signal transmitting means 105, 205 to the indoor unit or the outdoor unit using the indoor / outdoor serial communication control line 300.

The control signal receiving means 10 of the control device 100 or 200 for the indoor unit or the outdoor unit receives the signal (command).
The command analysis means 1 is received by 3, 203.
04 and 204 analyze it, input the analyzed data to the microcomputers 101 and 201, and the microcomputers 101 and 201 output each data required for air conditioning operation to the air conditioning control means 102 and 202. When this series of operations is established, a normal operation (air conditioning operation) as an air conditioner is performed.

A control device 100 for an indoor unit or an outdoor unit,
When performing the board inspection of 200, the inspection-dedicated signal receiving means 106, 206 and the inspection-dedicated signal transmitting means 107, 20
7, the inspection machine 40 by the inspection-dedicated control lines 301 and 302
0 is connected and the inspection mode switching command is transmitted from the inspection machine 400 to the inspection-dedicated signal receiving means 106, 206 of the control device 100, 200 for the indoor unit or the outdoor unit using the inspection-dedicated communication control lines 301, 302.

When the inspection mode switching command thus transmitted is input to the inspection-dedicated signal receiving means 106, 206 by the microcomputer 101, 201, the normal mode is switched to the inspection mode. When the switching to the inspection mode is established, this is informed by the inspection-dedicated signal transmitting means 107, 207 from the inspection-dedicated communication control line 30.
Notifications are sent to the inspection machine 400 using 1, 302.

Japanese Unexamined Patent Publication (Kokai) No. 5-273307 discloses a serial interface for connecting two integrated circuits as test data (inspection data) as a prior art related to the present invention although it is not a separate type air conditioner. ) There is disclosed a technique in which an interface dedicated to test data input / output is omitted by also using as an input / output interface.

[0009]

Since the control device of the conventional separate type air conditioner device is configured as described above, the inspection port is dedicated to the microcomputer only for the inspection of the control board. Must be installed in.

Therefore, if the inspection port cannot be assigned to the microcomputer due to the specifications of the microcomputer, it is not possible to inspect the control board with the control board incorporated in the indoor unit or the outdoor unit. Alternatively, a complicated inspection device must be created by installing inspection pins on all the connection ports of the microcomputer and each sensor and each actuator, and incorporating all operation programs on the inspection machine side.

Even if the microcomputer can be provided with the inspection port exclusively, the structure becomes complicated because the signal transmission / reception means and the communication control line dedicated to the inspection are required.

The technique disclosed in Japanese Unexamined Patent Publication No. 5-273307 can only inspect the connection state between IC chips.

The present invention has been made to solve the above-mentioned problems, and the board inspection by the controller of the separate type air conditioner requires an inspection port, an inspection dedicated signal transmitting / receiving means, and the like. It is an object of the present invention to obtain a control device for a separate type air conditioner which is improved so that it can be carried out easily and reliably.

[0014]

In order to achieve the above-mentioned object, a control device for a separate type air conditioner according to the present invention has a control signal transmitting / receiving means for transmitting control signal transmitting / receiving means.
In the control device of the separate type air conditioner that transmits / receives the control signal between the indoor unit and the outdoor unit by the receiving means, whether the input command received by the control signal transmitting / receiving means is an inspection mode switching command or not. The inspection mode is entered by the inspection mode switching command from the inspection machine connected to the control signal transmission / reception means, and the inspection result is transmitted to the inspection machine connected to the control signal transmission / reception means. It is a thing.

In the controller of the separate type air conditioner according to the present invention, the control signal transmitting / receiving means enters the inspection mode by receiving the inspection mode switching command from the inspection machine, and the inspection result is sent to the control signal transmitting / receiving means. Sent to the inspection machine.

A control device for a separate type air conditioner according to the next invention has a control signal transmission / reception means, and the control signal transmission / reception means transmits / receives a control signal between an indoor unit and an outdoor unit. In a control device for a type air conditioner, an inspection machine having an inspection mode changeover switch, the inspection mode being switched on and off, the control device is in an inspection mode, and the inspection result is connected to the control signal transmitting / receiving means. Is to be sent to.

In the control device for the separate type air conditioner according to the present invention, the control device enters the inspection mode by switching the inspection mode changeover switch on and off, and the inspection result is transmitted to the inspection device from the control signal transmitting / receiving means.

In the control device for the separate type air conditioner according to the next invention, the inspection mode changeover switch is turned on / off by connecting the inspection device to the control signal transmitting / receiving means.

In the control device for the separate type air conditioner according to the present invention, the inspection mode changeover switch is turned on / off by connecting the inspection device to the control signal transmitting / receiving means, and the control device enters the inspection mode.

A control device for a separate type air conditioner according to the next invention has control signal transmitting / receiving means, and the control signal transmitting / receiving means transmits / receives a control signal between an indoor unit and an outdoor unit. In a control device for a type air conditioner, a wireless remote control signal receiving means is provided, and it is determined whether or not the wireless remote control signal received by the wireless remote control signal receiving means is an inspection mode switching command. The inspection mode is entered by importing the inspection result and sending the control signal.
The data is transmitted to the inspection machine connected to the receiving means.

In the controller of the separate type air conditioner according to the present invention, the wireless remote controller signal receiving means enters the inspection mode by receiving the inspection mode switching command from the wireless remote controller, and the inspection result is transmitted from the control signal transmitting / receiving means. Send to the inspection machine.

A control device for a separate type air conditioner according to the next invention is for inspecting input data and a data input circuit in the inspection mode.

In the controller of the separate type air conditioner according to the present invention, the input data of the controller and the data input circuit are inspected.

A control device for a separate type air conditioner according to the next invention performs an inspection of an output command and a command output circuit in the inspection mode.

In the controller of the separate type air conditioner according to the present invention, the output command of the controller and the command output circuit are inspected.

In the control device for a separate type air conditioner according to the next invention, the inspection of the input data and the data input circuit and the inspection of the output command and the command output circuit are simultaneously performed in the inspection mode.

In the controller of the separate type air conditioner according to the present invention, the inspection of the input data and the data input circuit of the controller and the inspection of the output command and the command output circuit are simultaneously performed.

A control device for a separate type air conditioner according to the next invention has a non-volatile memory, and in the inspection mode, the data written in the non-volatile memory is read to inspect the written data. is there.

In the controller of the separate type air conditioner according to the present invention, the data written in the non-volatile memory is inspected.

A control device for a separate type air conditioner according to the next invention transmits an inspection result to an inspection device connected to the control signal transmitting / receiving means and outputs it to a port of a microcomputer included in the control device. Is.

In the control device for the separate type air conditioner according to the present invention, the inspection result is transmitted from the control signal transmitting / receiving means to the inspecting device and also output to the port of the microcomputer.

In the control apparatus for the separate type air conditioner according to the next invention, the control signal receiving means cancels the inspection mode by receiving the change signal for canceling the inspection mode.

In the controller for the separate type air conditioner according to the present invention, the control signal receiving means receives the change signal for canceling the inspection mode, whereby the inspection mode is canceled and the controller returns to the normal air conditioning control mode. .

In the controller for the separate type air conditioner according to the next invention, the inspection mode is released by reversing the on / off state from the on / off state in which the inspection mode changeover switch sets the inspection mode. is there.

In the control device for the separate type air conditioner according to the present invention, the inspection mode is released by inverting the on / off state from the on / off state for setting the inspection mode by the inspection mode changeover switch, and the control device is released. Returns to the normal air conditioning control mode.

The control apparatus for the separate type air conditioner according to the next invention cancels the inspection mode by receiving the change signal for canceling the inspection mode in the wireless remote control signal receiving means.

In the control device for the separate type air conditioner according to the present invention, the inspection mode is canceled by the wireless remote control signal receiving means receiving the change signal for canceling the inspection mode, and the control device is set to the normal air conditioning control mode. Return.

[0038]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) FIG. 1 shows a first embodiment of a control device for a separate type air conditioner according to the present invention. FIG.
In the figure, 10 is a control device for an indoor unit or an outdoor unit (hereinafter, this may be abbreviated as a control device for an air conditioner)
Reference numeral 50 indicates an inspection machine.

The control device 10 for an air conditioner includes a microcomputer 11, an air conditioning control means 12 connected to the microcomputer 11, a control signal receiving means 13, and a control signal receiving means 13 connected to the microcomputer 11.
Command analysis means 14 for inputting more control signals, and control signal transmission means 1 connected to the microcomputer 11.
5 and the control signal receiving means 1 in the normal operation.
3. An indoor / outdoor serial communication control line 30 is connected to the control signal transmitting means 15 so as to be capable of bidirectionally communicating with a control device for an indoor unit or an outdoor unit (not shown).

FIG. 1 shows the state at the time of the inspection. At the time of the inspection, the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner are replaced by the control device for the indoor unit or the outdoor unit, The inspection machine 50 is bidirectionally connected by an indoor / outdoor serial communication control line 30.

At the time of inspection when the inspection machine 50 is connected, the control device 10 of the air conditioner receives the inspection mode switching command from the inspection machine 50 by the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. Then, the command analysis means 14 analyzes the command and inputs the analysis result to the microcomputer 11.

The microcomputer 11 enters the inspection mode according to the inspection mode switching command analyzed by the command analysis means 14, and stops the normal command output operation to the air conditioning control means 12 when the inspection mode is entered. At the same time, the microcomputer 1
1 outputs an inspection mode operation establishment signal to the control signal transmitting means 15 and outputs this signal to the indoor / outdoor serial communication control line 3
0 is used to transmit to the inspection machine 50.

That is, the microcomputer 11 determines whether or not the input command received by the control signal receiving means 13 is the inspection mode switching command. If the input command is the inspection mode switching command, the microcomputer 11 enters the inspection mode. Become.

In the inspection mode, an inspection command is transmitted from the inspection machine 50 to the control signal receiving means 13 of the control device 10 of the air conditioner using the indoor / outdoor serial communication control line 30.

In the inspection mode, the microcomputer 11 outputs the inspection result to the control signal transmitting means 15,
The control signal transmitting means 15 transmits the inspection result to the inspection machine 50 using the indoor / outdoor serial communication control line 30.

FIG. 2 shows an operation flow of the air conditioner controller in the first embodiment. When the control signal receiving means 13 receives a control signal (command) using the indoor / outdoor serial communication control line 30, the control signal is sent to the command analyzing means 14 (step S10), and the microcomputer 11 causes the command analyzing means. It is determined whether or not the control signal analyzed by 14 is the inspection mode switching command from the inspection machine 50 (step S11).

If it is not the inspection mode switching command (No at step S11), the normal air conditioning control is continued (step S12). On the other hand, if it is the inspection mode switching command (Yes at step S11), the inspection mode is set, and the process proceeds to step S13.

For details of this inspection mode switching command, the control signal sent from the control device of the indoor unit, the outdoor unit, or the inspection machine 50 is "01101101101".
If the least significant bit is “0”, the normal air conditioning control mode is set,
In the case of "1", the inspection mode is set. Therefore, when the least significant bit is changed from 0 to 1, the test mode is entered.

In the inspection mode, the control signal receiving means 13 receives the next control signal (board inspection command) transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. (Step S13), and the command analysis means 14 analyzes this (step S14), whereby the microcomputer 11
Enters the control board inspection operation (step S15).

After the inspection operation, the microcomputer 11
The inspection result of the control board is output from the control circuit to the control signal transmitting means 15 (step S16), and the inspection result is output by using the indoor / outdoor serial communication control line 30.
Sent to

Even if the inspection device 50 sends a command to end the inspection mode, the control device 10 for the air conditioner remains in the inspection mode and stands by until the next signal is transmitted. , Inspection mode is power on
It can be continued until reset.

As described above, in the control device 10 of the separate type air conditioner (air conditioner) according to the present invention, it is not necessary to provide the microcomputer 11 with a dedicated port for inspection, and the capacity size, unit price, etc. of the microcomputer 11 are eliminated. When it is determined that the circuit board is inspected by using the serial communication circuit, the degree of freedom of the capacity of the microcomputer 11 increases, and the microcomputer 11
It is possible to reduce the selection difficulty level of.

Further, it becomes possible to provide added value by utilizing an empty port of the microcomputer 11, and the microcomputer 11 can be effectively used. This added value means that a special port can be added to the microcomputer to make the control of the air conditioner more sophisticated by providing an empty port and free space in the microcomputer.

Indoor / outdoor serial communication control line 30
Since it is used not only for communication of air conditioning control information but also for inspection, a communication communication control line for inspection, an inspection dedicated signal transmitting / receiving means, etc. connected to the control device 10 of the air conditioner can be omitted, which simplifies the configuration. , Will be able to make an inexpensive control board.

Further, conventionally, it was necessary to provide a terminal dedicated to the inspection machine or a dedicated connection line on the control board of the control device for the air conditioner.
0 means that the room is essential for separate air conditioners.
Since the board inspection is performed using the outdoor serial communication control line 30, the board inspection can be easily performed even after the air conditioner is installed without adding a dedicated connection line to the control board.

Further, conventionally, after connecting the control device of the air conditioner and the inspection device and setting the control device of the air conditioner in the inspection mode,
Although the inspection machine is set to the inspection mode and communication is performed to inspect the control board of the control device, in the air conditioner control device 10 according to the present invention, the inspection machine 50 is connected to the serial communication circuit and By simply sending an inspection command to the control device 10 of the air conditioner, the control device 10 of the air conditioner can be put in the inspection mode to perform the board inspection of the control device. Thus, the control device 10 for an air conditioner according to the present invention
Then, it is not necessary to operate both the control device 10 of the air conditioner and the inspection machine 50 to enter the inspection mode, so that the inspection time can be shortened.

(Second Embodiment) FIG. 3 shows a second embodiment of the control device for a separate type air conditioner according to the present invention. Incidentally, in FIG. 3, the portions corresponding to FIG.
The same reference numerals are given to the same reference numerals, and the description is omitted.

In the second embodiment, the air conditioner controller 10 is used.
The inspection mode changeover switch 16 is connected to the microcomputer 11, and the microcomputer 11 enters the inspection mode when the inspection mode changeover switch 16 is turned on.

Also in this embodiment, at the time of inspection, the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 of the air conditioner are replaced by the control device of the indoor unit or the outdoor unit, and the indoor / outdoor serial communication control The inspection machine 50 is bidirectionally connected by the line 30 so as to be capable of bidirectional communication.

The inspection mode change-over switch 16 is not something which is manually turned on, but the inspection machine 50 is controlled by the indoor / outdoor serial communication control line 30 to control the air conditioner 10.
The control signal receiving unit 13 and the control signal transmitting unit 15 are communicatively connected to each other, so that the microcomputer 1
This is a switch in which the inspection mode switching of the port No. 1 becomes Lo, and it is as if it was turned on.

In the inspection mode, the microcomputer 11 stops the normal command output operation to the air conditioning control means 12, outputs the inspection mode operation establishment signal to the control signal transmission means 15 at the same time as the inspection mode, and outputs this signal to the room.・ Inspection machine 5 using the outdoor serial communication control line 30
Send to 0.

In the inspection mode, the inspection machine 50 transmits an inspection command to the control signal receiving means 13 of the air conditioner controller 10 using the indoor / outdoor serial communication control line 30.

The inspection command received by the control signal receiving means 13 is transmitted to the command analyzing means 14, the command analyzing means 14 analyzes the command, and inputs the analysis result to the microcomputer 11. As a result, the microcomputer 11 performs a control board inspection operation. After the inspection operation, the microcomputer 11 controls the control signal transmitting means 15
The indoor / outdoor serial communication control line 30 is used to output the inspection result of the control board to the inspection machine 50.

FIG. 4 shows an operation flow of the air conditioner controller in the second embodiment. First, it is determined whether or not the inspection mode changeover switch 16 is on (step S20). If the inspection mode switch 16 is not on (No at Step S20), the normal air conditioning control is continued (Step S21).

On the other hand, the inspection mode changeover switch 16
If is on (Yes at step S20), the microcomputer 11 enters the inspection mode. The inspection changeover switch 16 is turned on only when the inspection machine 50 is connected to the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 of the air conditioner by the indoor / outdoor serial communication control line 30, and is turned on. No switch operation required.

When the inspection mode is entered, the inspection machine 50
The control signal receiving means 13 of the control device 10 of the air conditioner receives the inspection command sent from the indoor / outdoor serial communication control line 30 (step S22). The command analysis means 14 analyzes the inspection command received by the control signal receiving means 13 (step S23), and inputs the analysis result to the microcomputer 11, whereby the microcomputer 11 enters the inspection operation of the control board (step S24). ).

After the inspection operation, the microcomputer 11
By outputting the inspection result of the control board from the control circuit to the control signal transmitting means 15 (step S25), the inspection result is inspected by using the indoor / outdoor serial communication control line 30.
Sent to

This operation is continued until the power-on / reset, and even if the inspection mode changeover switch 16 is turned off during the inspection operation / standby, the controller 1 of the air conditioner 1
0 continues the inspection mode. However, the inspection mode changeover switch 16 is turned off when the inspection machine 50 is removed from the control device 10 of the air conditioner, and in this case, the inspection machine 50 is not connected to the control device 10. The inspection cannot be performed, but the control device 10 of the air conditioner remains in the inspection mode.

As described above, according to the present invention, it is not necessary to provide the microcomputer 11 of the control device 10 for the air conditioner with a dedicated inspection port, and the restriction on selection of the microcomputer 11 can be reduced. Further, since the inspection mode can be set only by connecting the inspection machine 50 to the control device 10 of the air conditioner, the time for setting the inspection mode can be deleted or shortened.

Also according to the present invention, it is possible to provide an added value by utilizing the free port of the microcomputer 11, the microcomputer 11 can be effectively used, and the indoor / outdoor serial communication control line 30 can be used.
Since it is used not only for communication of air conditioning control information but also for inspection, it is possible to omit the inspection communication control line connected to the control device of the air conditioner and the inspection signal transmission / reception means. It becomes possible to make an inexpensive control board.

Since the board inspection is performed using the indoor / outdoor serial communication control line 30 which is essential in the separate type air conditioner, the board inspection can be performed without adding a dedicated connection line to the control board even after the air conditioner is installed. It can be carried out.

(Third Embodiment) FIG. 5 shows a third embodiment of the control device for a separate type air conditioner according to the present invention. Also in FIG. 5, the portions corresponding to those in FIG. 1 are designated by the same reference numerals as those in FIG. 1, and the description thereof will be omitted.

In the third embodiment, the air conditioner controller 10 is used.
Is a microcomputer 11, a ma air conditioning control means 12,
In addition to the control signal receiving unit 13, the command analyzing unit 14, and the control signal transmitting unit 15, the wireless remote control signal command analyzing unit 17 and the wireless remote control signal command analyzing unit 1 connected to the microcomputer 11 are provided.
Wireless remote control signal receiving means 18 connected to the wireless communication terminal 7.

The wireless remote controller signal command analyzing means 17 analyzes the wireless remote controller signal received by the wireless remote controller signal receiving means 18 from the wireless remote controller 19, and the microcomputer 11 inputs the analysis result and receives the received wireless remote controller signal. It is determined whether or not it is an inspection mode switching command, and if the wireless remote control signal is the inspection mode switching command, the inspection mode is entered.

Also in this embodiment, at the time of inspection, the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner are used instead of the control device for the indoor unit or the outdoor unit to control the indoor / outdoor serial communication. The inspection machine 50 is bidirectionally connected by the line 30 so as to be capable of bidirectional communication.

The wireless remote controller 19 for transmitting the inspection mode switching command is for an air conditioner that is normally used. For example, the battery of the wireless remote controller 19 is removed while pressing the "when it is hot" button of the wireless remote controller 19. When the setting or reset is performed again, the inspection mode switching command is transmitted.

When the wireless remote controller signal receiving means 18 of the air conditioner controller 10 receives the inspection mode switching command, the wireless remote controller signal command analyzing means 17 analyzes the command and inputs the analysis result to the microcomputer 11. As a result, the microcomputer 11, in other words, the control device 10 of the air conditioner enters the inspection mode.

In the inspection mode, the microcomputer 11 stops the normal command output operation to the air conditioning control means 12, outputs the inspection mode operation establishment signal to the control signal transmission means 15 at the same time as the inspection mode, and outputs this signal to the room.・ Inspection machine 5 using the outdoor serial communication control line 30
Send to 0.

In the inspection mode, the inspection machine 50 transmits an inspection command to the control signal receiving means 13 of the air conditioner controller 10 using the indoor / outdoor serial communication control line 30. The control signal receiving means 13 having received the inspection command transmits the command to the command analyzing means 14, the command analyzing means 14 analyzes the command, and inputs the analysis result to the microcomputer 11. As a result, the microcomputer 11 performs a control board inspection operation. After the inspection operation, the microcomputer 11 uses the indoor / outdoor serial communication control line 30 from the control signal transmission means 15 to transmit the inspection result of the control board to the inspection machine 50.

FIG. 6 shows an operation flow of the air conditioner controller in the third embodiment. Wireless remote control 1
When the wireless remote control signal receiving means 17 receives the wireless remote control signal transmitted from the wireless communication terminal 9 (step S3
0), and the wireless remote control signal command analysis means 18 analyzes it. In the microcomputer 11, the wireless remote control signal analyzed by the wireless remote control signal command analysis means 18 is transmitted to the wireless remote control 19
It is determined whether the command is the inspection mode switching command from (step S31).

If it is not the inspection mode switching command (No at step S31), the normal air conditioning control is continued (step S32). On the other hand, if the command is an inspection mode switching command (Yes at step S31), the inspection mode is entered, and in the inspection mode, the inspection machine 50 transmits the control signal to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. The control signal is received by the control signal receiving means 13 (step S33), and the command analyzing means 14 analyzes the control signal (step S34), so that the microcomputer 11 enters the control board inspection operation (step S35).

After the inspection operation, the microcomputer 11
By outputting the inspection result of the control board from the control signal transmitting means 15 to the control signal transmitting means 15 (step S36), the inspection result is inspected by using the indoor / outdoor serial communication control line 30.
Sent to

Note that this operation is continued until power-on / reset, and even if a signal for ending the inspection command switching mode is transmitted from the wireless remote controller 19 during the inspection operation / standby, the control device 10 of the air conditioner is in the inspection mode. To continue.

As described above, according to the present invention as well, it is not necessary to provide the microcomputer 11 of the air conditioner control device 10 with a dedicated inspection port, so that it is possible to reduce restrictions on selection of the microcomputer 11. It becomes possible to provide added value by utilizing an empty port of the microcomputer 11,
Can be used effectively.

Indoor / outdoor serial communication control line 30
Since it is used not only for communication of air conditioning control information but also during inspection, it is possible to omit the inspection communication control line connected to the control device of the air conditioner, the inspection signal transmission / reception means, etc., which simplifies the configuration. It becomes possible to make an inexpensive control board.

Further, since the microcomputer 11 changes to the inspection mode upon receiving the inspection mode switching command signal from the wireless remote controller 19, the air conditioner is disassembled and the control board is used as the control board even after the air conditioner is installed as in the conventional case. Since it is possible to perform the board inspection without adding a dedicated connection line for inspection or connecting a dedicated circuit, there is no risk of accidentally destroying the control device 10 of the air conditioner during the board inspection.

Further, conventionally, since the air conditioner was disassembled and a dedicated connection line for inspection was added to the control board or a dedicated circuit was connected for inspection, it took a long time to perform the inspection. In the present invention, the inspection mode is switched by simply connecting the inspection machine 50 from the terminal block connecting the indoor / outdoor serial communication control line 30 of the air conditioner and transmitting the inspection mode switching command from the wireless remote controller 19. Therefore, there is an advantage that the inspection time can be significantly shortened.

(Fourth Embodiment) FIG. 7 shows a fourth embodiment of the control device for a separate type air conditioner according to the present invention. Note that, also in FIG. 7, the portions corresponding to those in FIG. 1 are denoted by the same reference numerals as those in FIG. 1, and the description thereof will be omitted. Reference numeral 11a is a data input circuit.

In this embodiment, input devices such as a compressor ammeter 20 and temperature sensors 21 and 22 are connected to the microcomputer 11, and the microcomputer 11 inputs a detection signal from them.

Also in this embodiment, at the time of inspection,
As shown in FIG. 7, in the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner, the indoor / outdoor serial communication control line 30 is used instead of the control device for the indoor unit or the outdoor unit. The inspection machine 50 is connected so that it can communicate in both directions.

At the time of inspection when the inspection machine 50 is connected, the control device 10 of the air conditioner receives the input check inspection command from the inspection machine 50 in the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. Then, the command analysis means 14 analyzes the command and inputs the analysis result to the microcomputer 11.

The microcomputer 11 enters the inspection mode according to the input check inspection command analyzed by the command analysis means 14, and stops the normal command output operation upon entering the inspection mode. At the same time, the microcomputer 11 outputs an inspection mode operation establishment signal to the control signal transmission means 15, and the inspection signal is sent using the indoor / outdoor serial communication control line 30.
Send to

At the time when the normal command output operation is stopped, the microcomputer 11 normally inputs the compressor current from the compressor ammeter 20, the compressor currents from the temperature sensors 21 and 22, the temperature detection signals, etc. Air conditioner controller 1
The input data, which is the information input to the microcomputer 11 of 0, and the input circuit thereof are inspected.

To determine the contents of the input check inspection command,
For example, binary data “010
011000 ", the most significant bit is 0, the input check inspection command, the third bit from the least significant bit is changed from 0 to 1 and transmitted to the air conditioner controller 10, and the control circuit for the input data of the temperature sensor 22 is displayed. The inspection is performed as described above. By changing the binary number data of the inspection command transmitted from the inspection machine 50, it is possible to change the input check contents and inspect each input data and data input circuit.

In this inspection mode, the microcomputer 11 outputs the inspection result of the input check to the control signal transmitting means 15, and the control signal transmitting means 15 uses the inspection result through the indoor / outdoor serial communication control line 30. And transmits it to the inspection machine 50.

FIG. 8 shows an operation flow of the control device for the air conditioner in the fourth embodiment. When the control signal receiving means 13 receives the control signal (command) using the indoor / outdoor serial communication control line 30 (step S40), this control signal is sent to the command analyzing means 14 and the microcomputer 11 causes the command analyzing means. It is determined whether the control signal analyzed by 14 is the input check inspection command from the inspection machine 50 (step S41).

If it is not the input check inspection command (No at step S41), the normal air conditioning control is continued (step S42). On the other hand, if it is the input check inspection command (Yes at step S41), the inspection mode is set,
It proceeds to step S43.

In the inspection mode, the control signal receiving means 13 receives the next control signal (inspection command) transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. (Step S4
3) The command analysis means 14 analyzes this (step S44) to inspect the data input to the input port by the microcomputer 11 and to check the input data and the disconnection of the board pattern forming the data input circuit, the chute, etc. An inspection is performed (step S45).

However, depending on the input check inspection command from the inspection machine 50, the input data and data input circuit to be inspected, such as the compressor current and temperature, differ. The input check inspection command is a check for each circuit, and the inspection machine 50 outputs the input check inspection command for each circuit each time. It is also possible that the inspection machine 50 outputs a command for checking all the input circuits at the same time.

After the inspection operation, the microcomputer 11
From the input data and the inspection result of the data input circuit to the control signal transmitting means 15 (step S4).
6), this inspection result is the indoor / outdoor serial communication control line 3
It is transmitted to the inspection machine 50 using 0.

In this case as well, in the air conditioner control device 10,
Even if the inspection machine 50 sends a command to end the inspection mode, the inspection mode remains as it is, and the standby state is maintained until the next signal is transmitted. This inspection mode is continued until the power-on reset.

Also in this case, the inspection mode setting is
In addition to the control signal receiving means 13 receiving the input check inspection command, the wireless remote control signal receiving means may be operated by the inspection mode changeover switch as in the second embodiment, or as in the third embodiment. It may be performed by a mode switching signal received from the wireless remote controller.

As described above, according to the present invention, the input data and the data input circuit can be checked at the time of inspecting the control device 10 of the air conditioner, and the failure location can be found quickly. Can be shortened.

Also in this invention, since the indoor / outdoor serial communication control line 30 is used not only for the communication of the air conditioning control information but also for the inspection, the inspection communication control line, the inspection dedicated signal transmitting / receiving means, etc. can be deleted. From this, the structure is simplified and an inexpensive control board can be manufactured. In addition, since the input check inspection is performed using the indoor / outdoor serial communication control line 30 that is always used when installing the air conditioner, additional measures such as adding a dedicated connection line to the control board even after the air conditioner is installed are added. There is a merit that the input check inspection can be performed easily without using.

(Fifth Embodiment) FIG. 9 shows a fifth embodiment of the control device for a separate type air conditioner according to the present invention. In FIG. 9 as well, portions corresponding to those in FIG. 1 are denoted by the same reference numerals as those in FIG. 1, and description thereof will be omitted. Note that 11b is a data output circuit.

In this embodiment, output devices such as the fan 23, the compressor 24, and the display 25 are connected to the microcomputer 11, and the microcomputer 11 outputs output commands to them.

Also in this embodiment, at the time of inspection,
As shown in FIG. 9, in the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner, the indoor / outdoor serial communication control line 30 is used instead of the control device for the indoor unit or the outdoor unit. The inspection machine 50 is connected so that it can communicate in both directions.

At the time of inspection when the inspection machine 50 is connected, the control device 10 of the air conditioner receives the output check inspection command from the inspection machine 50 in the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. Then, the command analysis means 14 analyzes the command and inputs the analysis result to the microcomputer 11.

The microcomputer 11 enters the inspection mode by the output check inspection command analyzed by the command analysis means 14, and stops the normal command output operation by entering the inspection mode. At the same time, the microcomputer 11 outputs an inspection mode operation establishment signal to the control signal transmission means 15, and the inspection signal is sent using the indoor / outdoor serial communication control line 30.
Send to

The microcomputer 11 inspects the output command and its control circuit when the normal command output operation is stopped. The output command is information output from the microcomputer 11 of the control device 10 of the air conditioner, and is an ON / OFF control command signal for the compressor 24 or an ON / OFF control command signal for the fan 23.

The contents of the output check inspection command are determined by
For example, binary data “010
011000 "becomes an output check inspection command with the most significant bit being 1, and the third bit from the lower bit is 0 → 1
When it is changed to and transmitted to the control device 10 of the air conditioner, the control circuit of the ON / OFF command of the compressor 24 is inspected. By changing the data of the inspection command transmitted from the inspection machine 50, By changing the output check contents, it is possible to inspect each output command and the board pattern forming the command output circuit for breaks or shorts.

Further, in this inspection mode, the microcomputer 11 outputs the inspection result of the output check to the control signal transmitting means 15, and the control signal transmitting means 15 uses the inspection result through the indoor / outdoor serial communication control line 30. It transmits to the inspection machine 50.

FIG. 10 shows an operation flow of the control device for the air conditioner in the fifth embodiment. When the control signal receiving means 13 receives the control signal (command) using the indoor / outdoor serial communication control line 30 (step S50), this control signal is sent to the command analyzing means 14 and the microcomputer 11 analyzes the command. It is determined whether the control signal analyzed by the means 14 is an output check inspection command from the inspection machine 50 (step S51).

If it is not the output check inspection command (No at step S51), the normal air conditioning control is continued (step S52). On the other hand, if it is the output check inspection command (Yes at step S51), the inspection mode is set,
It proceeds to step S53.

In the inspection mode, the control signal receiving means 13 receives the next control signal (inspection command) transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. (Step S5
3) Then, the command analysis unit 14 analyzes this (step S54), and the microcomputer 11 inspects the command output from the output port and the command output circuit (step S55).

However, according to the output check inspection command from the inspection machine 50, the fan 23, the compressor 24, the display 25
The output command and command output circuit to be inspected are different. The output check inspection command is a check for each circuit, and the inspection machine 50 outputs the output check inspection command for each circuit each time. It is also possible to configure the inspection machine 50 to output a command for checking all output circuits at the same time.

After the inspection operation, the microcomputer 11
By outputting the output command and the inspection result of the command output circuit from the control signal transmitting means 15 (step S56), the inspection result is transmitted to the inspection machine 50 using the indoor / outdoor serial communication control line 30.

In this case as well, in the control device 10 for the air conditioner,
Even if the inspection machine 50 sends a command to end the inspection mode, the inspection mode remains as it is, and the standby state is maintained until the next signal is transmitted. This inspection mode is continued until the power-on reset.

Also in this case, the inspection mode setting is
In addition to the control signal receiving means 13 receiving the input check inspection command, the wireless remote control signal receiving means may be operated by the inspection mode changeover switch as in the second embodiment, or as in the third embodiment. It may be performed by a mode switching signal received from the wireless remote controller.

As described above, according to the present invention, the output command and the command output circuit can be checked at the time of inspecting the control device 10 of the air conditioner, and the faulty part can be found quickly. Can be shortened.

Also in this invention, since the indoor / outdoor serial communication control line 30 is used not only for the communication of the air conditioning control information but also for the inspection, the inspection communication control line, the inspection exclusive signal transmitting / receiving means, etc. can be deleted. From this, the structure is simplified and an inexpensive control board can be manufactured. In addition, since the output check inspection is performed using the indoor / outdoor serial communication control line 30 that is always used when installing the air conditioner, it is necessary to add a special connection line to the control board even after the air conditioner is installed. There is a merit that the output check inspection can be performed easily without using.

(Sixth Embodiment) FIG. 11 shows a sixth embodiment of the control device for the separate type air conditioner according to the present invention. In FIG. 11, parts corresponding to those in FIG. 1 are denoted by the same reference numerals as those in FIG. 1, and description thereof is omitted. 11c is a data output circuit, and 11d
Is a data input circuit.

In this embodiment, the microcomputer 11 includes input devices such as the compressor ammeter 20, the temperature sensors 21 and 22, the fan 23, the compressor 24, and the display 25.
Is connected to an output device such as a microcomputer 1
1 receives a detection signal from an input device and outputs an output command to an output device.

Also in this embodiment, at the time of inspection,
As shown in FIG. 11, in the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner, the indoor / outdoor serial communication control line 30 is used instead of the control device for the indoor unit or the outdoor unit. The inspection machine 50 is connected so that it can communicate in both directions.

At the time of inspection when the inspection machine 50 is connected, the controller 10 of the air conditioner sends an input / output check inspection command from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. The command is received, the command is analyzed by the command analysis means 14, and the analysis result is input to the microcomputer 11.

The microcomputer 11 enters the inspection mode by the input / output check inspection command analyzed by the command analysis means 14, and stops the normal command output operation by entering the inspection mode. At the same time, the microcomputer 11 outputs an inspection mode operation establishment signal to the control signal transmission means 15, and the inspection signal is sent using the indoor / outdoor serial communication control line 30.
Send to 0.

At the time when the normal command output operation is stopped, the microcomputer 11 normally inputs the compressor ammeter 20, the compressor current from the temperature sensors 21, 22 to the control board, the temperature detection signal, etc. Air conditioner controller 1
Input data, which is information input to the microcomputer 11, and inspection of its control circuit, and an ON / OFF control command signal for the compressor 24 and an ON / OFF control command signal for the fan 23 output from the microcomputer 11. Inspect output commands such as and control circuits for them.

Further, in this inspection mode, the microcomputer 11 outputs the inspection result of the input / output check to the control signal transmitting means 15, and the control signal transmitting means 15 uses the inspection result through the indoor / outdoor serial communication control line 30. And transmits it to the inspection machine 50.

FIG. 12 shows an operation flow of the air conditioner controller in the sixth embodiment. When the control signal receiving means 13 receives the control signal (command) using the indoor / outdoor serial communication control line 30 (step S60), this control signal is sent to the command analyzing means 14 and the microcomputer 11 causes the command analyzing means. It is determined whether or not the control signal analyzed by 14 is the input / output check inspection command from the inspection machine 50 (step S61).

If it is not the input / output check inspection command (No at step S61), the normal air conditioning control is continued (step S62). On the other hand, if it is the input / output check inspection command (Yes at step S61), the inspection mode is set, and the process proceeds to step S63.

In the inspection mode, the control signal receiving means 13 receives the next control signal (inspection command) transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. (Step S6
3) Then, the command analysis means 14 analyzes this (step S64) to inspect the data and the data input circuit input by the input port of the microcomputer 11 (step S65), and the microcomputer 11 causes the microcomputer 11 to check. The output command output from the output port and the command output circuit are inspected (step S66).

However, the input data and the data input circuit to be inspected, the output command and the command output circuit differ depending on the input / output check inspection command from the inspection machine 50. The input / output check inspection command is a check for each circuit, and the inspection machine 50 outputs the input / output check inspection command for each circuit each time. It is also possible to configure the inspection machine 50 to output a command for checking all input circuits and output circuits at the same time.

After the inspection operation, the microcomputer 11
By outputting the input data and the data input circuit and the inspection result of the output command and the command output circuit from the control signal transmitting means 15 (step S67), the inspection result is utilized by the indoor / outdoor serial communication control line 30. It is transmitted to the inspection machine 50.

Also in this case, the control device 10 for the air conditioner
Even if the inspection machine 50 sends a command to end the inspection mode, the inspection mode remains as it is, and the standby state is maintained until the next signal is transmitted. This inspection mode is continued until the power-on reset.

Also in this case, the inspection mode setting is
In addition to the control signal receiving means 13 receiving the input check inspection command, the wireless remote control signal receiving means may be operated by the inspection mode changeover switch as in the second embodiment, or as in the third embodiment. It may be performed by a mode switching signal received from the wireless remote controller.

As described above, according to the present invention, the input data and the data input circuit and the output command and the command output circuit can be checked at the time of inspecting the control device 10 of the air conditioner, and the location of the failure can be found quickly. As a result, the inspection time can be shortened.

Also in this invention, since the indoor / outdoor serial communication control line 30 is used not only for communication of air-conditioning control information but also for inspection, the inspection communication control line, inspection-dedicated signal transmitting / receiving means, etc. can be deleted. From this, the structure is simplified and an inexpensive control board can be manufactured. In addition, since the input check test and output check test are performed using the indoor / outdoor serial communication control line 30 that is always used when installing the air conditioner, a dedicated connection line is added to the control board even after the air conditioner is installed. There is a merit that both the input check inspection and the output check inspection can be easily performed at the same time, without the need to add.

(Embodiment 7) FIG. 13 shows Embodiment 7 of the control apparatus for the separate type air conditioner according to the present invention. Note that, also in FIG. 13, the portions corresponding to those in FIG. 1 are denoted by the same reference numerals as those in FIG. 1, and the description thereof will be omitted.

In this embodiment, the microcomputer 26 is connected to the EEPROM 26 which is a non-volatile memory.

Also in this embodiment, at the time of inspection,
As shown in FIG. 13, in the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 for the air conditioner, the indoor / outdoor serial communication control line 30 is used instead of the control device for the indoor unit or the outdoor unit. The inspection machine 50 is connected so that it can communicate in both directions.

At the time of inspection when the inspection machine 50 is connected, the control device 10 of the air conditioner receives the inspection command from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30, The command analysis unit 14 analyzes the command, and the analysis result is used by the microcomputer 1.
Enter 1

The microcomputer 11 enters the inspection mode in response to the input inspection command analyzed by the command analysis means 14, and stops the normal command output operation upon entering the inspection mode. At the same time, the microcomputer 11 outputs an inspection mode operation establishment signal to the control signal transmission means 15, and transmits this signal to the inspection machine 50 using the indoor / outdoor serial communication control line 30.

In the inspection mode, the inspection machine 50 sends the EEPR.
The OM data read inspection command is transmitted to the control signal receiving means 13 of the air conditioner controller 10 using the indoor / outdoor serial communication control line 30. The EEPROM data read inspection command is transmitted from, for example, the inspection machine 50 2
With the binary data “000011000”, the second bit from the most significant bit is 0 → 1, which is an inspection command for reading the EEPROM data.

The EEPROM read inspection command is analyzed by the command analysis means 14, and the microcomputer 1
1, the microcomputer 11 enters the EEPROM data read mode by the EEPROM data read inspection command analyzed by the command analysis means 14, reads the data from the EEPROM 26, and then outputs the inspection result from the control signal transmission means 15. Indoor /
Output to the inspection machine 50 using the outdoor serial communication control line 30.

FIG. 14 shows an operation flow of the control device for the air conditioner in the seventh embodiment. When the control signal receiving means 13 receives the control signal (command) using the indoor / outdoor serial communication control line 30 (step S70), this control signal is sent to the command analyzing means 14, and the microcomputer 11 causes the command analyzing means. It is determined whether or not the control signal analyzed by 14 is the EEPROM data read inspection command from the inspection machine 50 (step S71).

If it is not the EEPROM data read inspection command (No at step S71), the normal air conditioning control is continued (step 72). On the other hand, EEPROM
If it is a data read inspection command (step S71)
(Yes), the inspection mode is set, and the process proceeds to step S73.

In the inspection mode, the control signal receiving means 13 sends the next control signal (EEPROM data read inspection command) transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. Is received (step S73), and the command analysis means 14 analyzes it (step S74), and the microcomputer 11 reads the data written in the EEPROM 26 (step S75).

After the inspection operation, the microcomputer 11
To the inspection result of the EEPROM 26 from the control signal transmitting means 1
By outputting the inspection result to step 5 (step S76), the inspection result is transmitted to the inspection device 50 using the indoor / outdoor serial communication control line 30.

Also in this case, the air conditioner controller 10
Even when the inspection machine 50 sends a command to end the inspection mode, the inspection mode is still maintained, and the standby mode is maintained until the next signal is transmitted, and the inspection mode is continued until the power-on reset.

Also in this case, the inspection mode setting is
In addition to the control signal receiving means 13 receiving the input check inspection command, the wireless remote control signal receiving means may be operated by the inspection mode changeover switch as in the second embodiment, or as in the third embodiment. It may be performed by a mode switching signal received from the wireless remote controller.

As described above, according to the present invention, the EEP of the air conditioner control device 10 is checked during the inspection of the air conditioner control device.
The data in the ROM 26 can be read and the data written in the EEPROM 26 can be checked.
The defective portion of the EPROM 26 for writing data can be found quickly. As a result, malfunction of the control device of the air conditioner can be prevented, and maintenance time can be shortened.

The data written in the EEPROM 26 does not usually cause an initial failure, but some or all of the data being written or the written data is destroyed by lightning, static electricity or the like. It may end up.

Also in this invention, since the indoor / outdoor serial communication control line 30 is used not only for communication of air-conditioning control information but also for inspection, the inspection communication control line, inspection-dedicated signal transmitting / receiving means, etc. can be deleted. This simplifies the structure and makes it possible to manufacture an inexpensive control board. Moreover, since the EEPROM data inspection is performed by using the indoor / outdoor serial communication control line 30 that is always used when installing the air conditioner, it is necessary to add a dedicated connecting line to the control board even after the air conditioner is installed. There is an advantage that the data of the EEPROM 26 can be easily checked without any need.

(Embodiment 8) In this embodiment, in the control device 10 for an air conditioner shown in FIGS. 1, 3, 5, 5, 7, 8, 11, and 13. The inspection result is transmitted to the inspection machine 50 connected to the air conditioner control device 10 and is output to the port of the microcomputer 11. The output of the inspection result to the control signal transmitting means 15 and the output to the port of the microcomputer 11 are always performed at the same time.

In addition to the control board, the inspection contents here include input data and data input circuits, output commands and command output circuits, EEPROM data, etc., as shown in the fourth to seventh embodiments. .

FIG. 15 shows an operation flow of the control device for the air conditioner in the eighth embodiment. The operation flow of FIG. 15 is different from the operation flow of FIG.
In step S86, the inspection result is sent to the control signal transmitting means 15
Output to the port of the microcomputer 11 in addition to the output to.

As a result, if the port of the microcomputer 11 is hit, the defective portion can be confirmed.

As described above, according to the present invention, the defective portion can be confirmed by hitting the port of the microcomputer. Therefore, in the case where the monitor of the inspection machine 50 is out of order, the entire controller of the air conditioner can be confirmed. It is avoided that an erroneous determination that the item is defective is made, and the defective portion is confirmed by hitting the port of the microcomputer, which is a measure for the first aid.

(Embodiment 9) In this embodiment, in the air conditioner controller 10 shown in FIGS. 1, 7, 9, 11 and 13, the inspection machine 50 sends an inspection mode end command. Is transmitted to the control signal receiving means 13 of the control device 10 of the air conditioner using the indoor / outdoor serial communication control line 30.

The control device 10 of the air conditioner receives the inspection mode end command by the control signal receiving means 13, analyzes it by the command analyzing means 14, and sends the analysis result to the microcomputer. The microcomputer 11 exits the inspection mode by the inspection mode end command analyzed by the analysis command means 14 and enters the normal control.

In the first embodiment, the air conditioner controller 10 is used.
Once the inspection mode has been entered, the inspection mode continues until the original power is turned off. However, in this embodiment, even if the air conditioner controller 10 enters the inspection mode, the inspection machine 50 sends an inspection mode end command. By doing so, the inspection mode is released, and the normal air conditioning control mode is restored.

FIG. 16 shows an operation flow of the air conditioner controller in the ninth embodiment. When the control signal receiving means 13 receives the control signal (command) using the indoor / outdoor serial communication control line 30 (step S90), this control signal is sent to the command analyzing means 14 and the microcomputer 11 causes the command analyzing means. It is determined whether or not the control signal analyzed by 14 is the inspection mode switching command from the inspection machine 50 (step S91).

If it is not an inspection mode switching command (No at step S91), normal air conditioning control is continued (step S92). On the other hand, if the command is the inspection mode switching command (Yes at step S91), the inspection mode is set, and the process proceeds to step S93.

In the inspection mode, the control signal receiving means 13 receives the next control signal transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30 (step S93). Then, it is determined whether or not this control signal is an inspection mode end command (step S94).

For details of the inspection mode switching command, if the control signal sent from the control device for the indoor unit, the outdoor unit, or the inspection device 50 is a binary number such as "01101101101", for example, When the least significant bit is "0", it becomes the normal air conditioning control mode,
When it is "1", the inspection mode is entered. Therefore, when the least significant bit is changed from 0 to 1, it becomes an inspection mode switching command, and when the least significant bit is changed from 1 to 0, it is an inspection mode end command. is there.

If the command is the inspection mode end command (Yes at step S94), the inspection mode is ended and the normal air conditioning control mode is returned to (step S92). As described above, by transmitting the inspection mode end command from the inspection machine 50, if the control device 10 of the air conditioner can normally receive and process this command, the control device 10 of the air conditioner will perform normal air conditioning control. You can return to mode.

If the command is not the inspection mode end command (No at step S94), the inspection mode is continued and the control signal received by the control signal receiving means 13 is sent to the command analysis means 1.
4 analyzes (step S95), the microcomputer 11 starts the inspection operation of the control board and the like (step S96).

After the inspection operation, the microcomputer 11
By outputting the inspection result of the control board from the control signal transmitting means 15 to the control signal transmitting means 15 (step S97), the inspection result is inspected by using the indoor / outdoor serial communication control line 30.
Sent to

As described above, according to the present invention, the control device 10 for an air conditioner can be operated normally by sending an inspection mode end command signal from the inspection machine 50 without turning off the power source for ending the inspection mode. Since it returns to the air conditioning control mode, the time required for a series of inspection operations can be shortened, and the control device 10 of the air conditioner can be shortened.
The inspection time can also be shortened by eliminating the need to operate both the inspection machine 50 and the inspection machine 50 to set or cancel the inspection mode.

Also in the present invention, since the indoor / outdoor serial communication control line 30 is used not only for the communication of the air conditioning control information but also for the inspection, the inspection communication control line, the inspection dedicated signal transmitting / receiving means, etc. can be deleted. From this, the structure is simplified and an inexpensive control board can be manufactured. In addition, since the inspection is performed using the indoor / outdoor serial communication control line 30 that is always used when installing the air conditioner, there is no need to add special connection lines to the control board after installing the air conditioner. Each check command can be executed.

(Embodiment 10) In this embodiment,
In the control device 10 of the air conditioner shown in FIG. 3, by turning off the inspection mode changeover switch 16, the microcomputer 11 releases the inspection mode and returns to the normal air conditioning control mode.

The inspection mode changeover switch 16 is not turned off by hand, but the inspection machine 50 is operated by the air conditioner control device 10.
When the inspection mode changeover port of the microcomputer 11 is set to Hi, the inspection mode changeover switch is turned off.

In the second embodiment, the air conditioner controller is
When the inspection mode is entered, the inspection mode continues until the original power is turned off. In this embodiment, however, the inspection mode is released by turning off the inspection mode changeover switch 16, and the normal air conditioning control mode is restored.

FIG. 17 shows an operation flow of the air conditioner controller in the tenth embodiment. First, it is determined whether or not the inspection mode changeover switch 16 is on (step S100). If the inspection mode switch 16 is not on (No at step S100), normal air conditioning control is continued (step S101).

On the other hand, the inspection mode changeover switch 16
If is on (Yes at step S100), the microcomputer 11 enters the inspection mode. The inspection changeover switch 16 is turned on only when the inspection machine 50 is connected to the control signal receiving means 13 and the control signal transmitting means 15 of the control device 10 of the air conditioner by the indoor / outdoor serial communication control line 30.

In the inspection mode, the inspection machine 50
An inspection command sent from the indoor / outdoor serial communication control line 30 is received by the control signal receiving means 13 of the air conditioner controller 10 (step S102). The command analysis unit 14 analyzes the inspection command received by the control signal receiving unit 13 (step S103), and inputs the analysis result to the microcomputer 11, whereby the microcomputer 11 enters the control board inspection operation (step S104). ).

After the inspection operation, the microcomputer 11
By outputting the inspection result of the control board from the control circuit to the control signal transmitting means 15 (step S105), the inspection result is inspected by using the indoor / outdoor serial communication control line 30.
Sent to 0.

Next, it is determined whether or not the inspection mode changeover switch 16 is off (step S106). If the inspection mode switch 16 is not off (step S1)
06 negative), the inspection mode is continued.

On the other hand, if the inspection mode changeover switch 16 is off because the inspection machine 50 is removed from the air conditioner control device 10 (Yes at step S106),
The inspection mode is released and the normal air conditioning control mode is returned to (step S101).

As described above, according to the present invention, when the inspection mode is terminated, the inspection mode changeover switch is turned off without turning off the main power source, and the inspection machine 50 is actually removed. Since it returns to the air conditioning control mode, the series of inspection operations can be shortened, and the inspection mode can be set by operating both the air conditioner controller 10 and the inspection machine 50.
The inspection time can also be shortened by eliminating the need to cancel.

Also in the present invention, since the indoor / outdoor serial communication control line 30 is used not only for communication of air-conditioning control information but also for inspection, the communication control line for inspection connected to the control device 10 of the air conditioner and the inspection. The dedicated signal transmitting / receiving means and the like can be eliminated, which simplifies the configuration and makes it possible to manufacture an inexpensive control board. In addition, since the inspection is performed using the indoor / outdoor serial communication control line that is always used when installing the air conditioner, there is no need to add a dedicated connection line to the control board after installing the air conditioner. Each check command can be executed.

(Embodiment 11) In this embodiment,
In the air conditioner controller 10 shown in FIG. 5, the wireless remote controller 19 sends an inspection mode end command to the wireless remote controller signal receiving means 1 of the air conditioner controller 10.
Send to 8.

The control device 10 receives the inspection mode end command by the wireless remote control signal reception means 18, analyzes it by the wireless remote control signal command analysis means 17, and sends the analysis result to the microcomputer 11. The microcomputer 11 exits the inspection mode by the inspection mode end command analyzed by the wireless remote control signal command analysis means 17 and enters the normal control.

In the third embodiment, the controller for the air conditioner is one
Once in the inspection mode, the inspection mode was continued until the original power was turned off. However, in this embodiment, even if the control device 10 of the air conditioner enters the inspection mode, the wireless remote controller 19
The inspection mode is released by transmitting the inspection mode end command from the device, and the normal air conditioning control mode is restored.

For example, when the battery is removed and set or reset again while pressing the "when it is cold" button of the wireless remote controller 19, the inspection mode end command is transmitted.

FIG. 18 shows an operation flow of the air conditioner controller in the eleventh embodiment. The wireless remote control signal reception unit 18 receives the wireless remote control signal transmitted from the wireless remote control 19 (step S110), and the wireless remote control signal command analysis unit 17 analyzes the received signal. 17
It is determined whether or not the wireless remote control signal control signal analyzed by is an inspection mode switching command from the wireless remote control 19 (step S111).

If it is not an inspection mode switching command (No at step S111), normal air conditioning control is continued (step S112). On the other hand, if the command is an inspection command (Yes at step S111), the inspection mode is entered. In the inspection mode, the control signal transmitted from the inspection machine 50 to the control signal receiving means 13 using the indoor / outdoor serial communication control line 30. Is received by the control signal receiving means 13 (step S113), and is analyzed by the command analyzing means 14 (step S114), so that the microcomputer 11 starts the control board inspection operation (step S11).
5).

After the inspection operation, the microcomputer 11
By outputting the inspection result of the control board from the control circuit to the control signal transmitting means 15 (step S116), the inspection result is inspected by using the indoor / outdoor serial communication control line 30.
Sent to 0.

Next, the wireless remote control signal receiving means 1
8 determines whether or not the inspection mode end command is received from the wireless remote controller 19 (step S117).
If the inspection mode end command has not been received (No at Step S117), the inspection mode is continued.

On the other hand, if the inspection mode end command is received (Yes at step S117), the inspection mode is canceled and the normal air conditioning control mode is returned (step S11).
2).

As described above, according to the present invention, the wireless remote controller 1 can be operated without turning off the power source for ending the inspection mode.
When the control device 10 for the air conditioner receives the inspection mode end command from 9 and the control device 10 for the air conditioner receives the command, it returns to the normal air conditioning control mode. The inspection time can also be shortened by eliminating the need to operate both the inspection machine 50 and the inspection machine 50 to set or cancel the inspection mode.

Also in this invention, since the indoor / outdoor serial communication control line 30 is used not only for the communication of the air conditioning control information but also for the inspection, the communication control line for inspection connected to the control device of the air conditioner and the inspection dedicated You can delete the signal transmitting and receiving means,
From this, the structure is simplified and an inexpensive control board can be manufactured. In addition, since the inspection is performed using the indoor / outdoor serial communication control line that is always used when installing the air conditioner, there is no need to add a dedicated connection line to the control board after installing the air conditioner. Each control command can be executed, and the control board changes to the inspection mode by receiving the board inspection mode signal from the wireless remote controller. Therefore, a dedicated connection line is added to the control board even after the air conditioner is installed. There is a merit that it is possible to easily check the operation of each sensor and actuator without the need for any other work.

[0193]

As can be understood from the above description, in the control device for the separate type air conditioner according to the present invention, the board inspection is performed by using the serial communication circuit of the indoor unit and the outdoor unit. It is not necessary to provide a dedicated port for inspection to the microcomputer included in the device, the degree of freedom of microcomputer capacity is increased, the difficulty of selecting a microcomputer can be reduced, and an additional port can be added by using an empty port of the microcomputer. Value can be added and the microcomputer can be effectively used.

In addition, the indoor / outdoor serial communication control line is
Since it is used not only for communication of air-conditioning control information but also for inspection, it is possible to omit the inspection communication control line and inspection-dedicated signal transmission / reception means connected to the control device of the air-conditioner, which simplifies the configuration and makes it inexpensive. It becomes possible to make a control board, and it is also possible to omit providing a terminal dedicated to the inspection machine on the control board, and the inspection is performed using the indoor / outdoor serial communication control line that is essential in the separate type air conditioner. Even after the air conditioner is installed, the board inspection can be performed without adding a dedicated connection line to the control board.
This eliminates the need to disassemble the air conditioner at the time of inspection, and eliminates the possibility of accidentally destroying the control device of the air conditioner at the time of inspection.

Further, the board inspection can be performed by setting the control device of the air conditioner to the inspection mode by sending the inspection command from the inspection device to the control device of the air conditioner. It is not necessary to operate both of them to enter the inspection mode, and the inspection time can be shortened.

In the controller for the separate type air conditioner according to the next invention, the board is inspected by using the serial communication circuit of the indoor unit and the outdoor unit, so that the microcomputer included in the controller has a dedicated port for inspection. Need not be provided, the degree of freedom in the capacity of the microcomputer is increased, the degree of difficulty in selecting the microcomputer can be reduced, and it is possible to provide added value by utilizing the free port of the microcomputer. You will be able to use it effectively.

In addition, the indoor / outdoor serial communication control line is
Since it is used not only for communication of air-conditioning control information but also for inspection, it is possible to omit the inspection communication control line and inspection-dedicated signal transmission / reception means connected to the control device of the air-conditioner, which simplifies the configuration and makes it inexpensive. You will be able to make a control board.

Since the board inspection can be performed by setting the control device of the air conditioner to the inspection mode by simply turning on / off the inspection mode changeover switch, the inspection can be performed by operating both the control device of the air conditioner and the inspection device. It is not necessary to enter the mode, and the inspection time can be shortened.

In the control device for the separate type air conditioner according to the next invention, the inspection mode changeover switch is switched by connecting the inspection device to the control device for the air conditioner. Therefore, the inspection device is connected to the control device for the air conditioner. Just do
The control device of the air conditioner enters the inspection mode, and the inspection time can be shortened.

In the controller of the separate type air conditioner according to the next invention, the board is inspected by using the serial communication circuit of the indoor unit and the outdoor unit, so that the microcomputer included in the controller has a dedicated port for inspection. Need not be provided, the degree of freedom in the capacity of the microcomputer is increased, the degree of difficulty in selecting the microcomputer can be reduced, and it is possible to provide added value by utilizing the free port of the microcomputer. You will be able to use it effectively.

In addition, the indoor / outdoor serial communication control line is
Since it is used not only for communication of air-conditioning control information but also for inspection, it is possible to omit the inspection communication control line and inspection-dedicated signal transmission / reception means connected to the control device of the air-conditioner, which simplifies the configuration and makes it inexpensive. It becomes possible to make a control board, and it is also possible to omit providing a terminal dedicated to the inspection machine on the control board, and the inspection is performed using the indoor / outdoor serial communication control line that is essential in the separate type air conditioner. Even after the air conditioner is installed, the board inspection can be performed without adding a dedicated connection line to the control board.
This eliminates the need to disassemble the air conditioner at the time of inspection, and eliminates the possibility of accidentally destroying the control device of the air conditioner at the time of inspection.

Further, the board inspection can be performed by setting the control device of the air conditioner to the inspection mode by sending an inspection command from the wireless remote controller to the control device of the air conditioner. It is not necessary to operate both of them to enter the inspection mode, and the inspection time can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the input data and the data input circuit can be inspected, and the location of the failure can be found quickly. Therefore, the inspection time can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the output command and the command output circuit can be inspected, and the failure location can be found quickly. Therefore, the inspection time can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the input data and the data input circuit and the output command and the command output circuit can be inspected at the same time, and the failure point can be found. The inspection time can be shortened because the inspection is performed quickly.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, E
Data in a non-volatile memory such as an EPROM can be read and the data written in the non-volatile memory can be checked, and a defective data writing point in the non-volatile memory can be found quickly. As a result, malfunction of the control device of the air conditioner can be prevented, and maintenance time can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effect of the above-mentioned invention, the inspection result is also output to the port of the microcomputer. It is possible to check the location and avoid erroneous determination that the entire control unit of the air conditioner is defective when the monitor of the inspection machine is out of order. By checking, it is a measure for first aid.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the inspection mode is ended by receiving the inspection mode end command signal from the inspection machine, and the main power is turned off. Since the normal air-conditioning control mode is returned without requiring, the time required for a series of inspection operations can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the inspection mode is terminated by switching the inspection mode changeover switch, and the normal power supply is not required to be turned off. Since it returns to the air conditioning control mode, the time required for a series of inspection operations can be shortened.

In the control device for a separate type air conditioner according to the next invention, in addition to the effects of the above-mentioned invention, the inspection mode is ended by receiving the inspection mode end command signal from the wireless remote controller, and the original power is turned off. Since the normal air-conditioning control mode is returned without requiring, the time required for a series of inspection operations can be shortened.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of a control device for a separate type air conditioner according to the present invention and an inspection machine.

FIG. 2 is a flowchart showing an operation of the control device for the separate type air conditioner in the first embodiment.

FIG. 3 is a block diagram showing a second embodiment of a control device for a separate type air conditioner according to the present invention and an inspection machine.

FIG. 4 is a flowchart showing an operation of a control device for a separate type air conditioner in the second embodiment.

FIG. 5 is a block diagram showing a third embodiment of a control device for a separate type air conditioner according to the present invention and an inspection machine.

FIG. 6 is a flowchart showing an operation of the control device for the separate type air conditioner in the third embodiment.

FIG. 7 is a block diagram showing a fourth embodiment of a control device for a separate type air conditioner according to the present invention and an inspection machine.

FIG. 8 is a flowchart showing the operation of the control device for the separate type air conditioner in the fourth embodiment.

FIG. 9 is a block diagram showing a fifth embodiment of a control device for a separate type air conditioner and an inspection machine according to the present invention.

FIG. 10 is a flowchart showing the operation of the control device for the separate type air conditioner in the fifth embodiment.

FIG. 11 is a block diagram showing a sixth embodiment of a control device for a separate type air conditioner and an inspection machine according to the present invention.

FIG. 12 is a flowchart showing the operation of the control device for the separate type air conditioner in the sixth embodiment.

FIG. 13 is a block diagram showing a seventh embodiment of a control device for a separate type air conditioner and an inspection machine according to the present invention.

FIG. 14 is a flowchart showing an operation of the control device for the separate type air conditioner in the seventh embodiment.

FIG. 15 is a flowchart showing an operation of the control device for the separate type air conditioner in the eighth embodiment.

FIG. 16 is a flowchart showing the operation of the control device for the separate type air conditioner in the ninth embodiment.

FIG. 17 is a flowchart showing the operation of the control device for the separate type air conditioner in the tenth embodiment.

FIG. 18 is a flowchart showing the operation of the control device for the separate type air conditioner in the eleventh embodiment.

FIG. 19 is a block diagram showing a control device and an inspection machine of a conventional separate type air conditioner.

[Explanation of symbols]

10 air conditioner control device, 11 microcomputer, 12 air conditioning control means, 13 control signal receiving means, 1
4 command analysis means, 15 control signal transmission means, 16
Inspection mode selector switch, 17 Wireless remote controller signal command analyzing means, 18 Wireless remote controller signal receiving means, 19 Wireless remote controller, 20 Compressor ammeter, 21 Temperature sensor, 22 Temperature sensor, 23
Fan, 24 compressor, 25 indicator, 26 EE
PROM

Front page continuation (72) Inventor Shigenobu Mochizuki 2-6-2 Otemachi, Chiyoda-ku, Tokyo Sanryo Electric Engineering Co., Ltd. (72) Hajime Sugiyama 2-6-2 Otemachi, Chiyoda-ku, Tokyo 3 Ryoden Engineering Co., Ltd.

Claims (12)

[Claims] 1. A control device for a separate type air conditioner, comprising control signal transmitting / receiving means, wherein the control signal transmitting / receiving means transmits / receives a control signal between an indoor unit and an outdoor unit. It is determined whether or not the input command received by the transmitting / receiving means is an inspection mode switching command, and the inspection mode is entered by taking in the inspection mode switching command from the inspection machine connected to the control signal transmitting / receiving means, A control device for a separate type air conditioner, which transmits an inspection result to an inspection machine connected to the control signal transmitting / receiving means. 2. A control device for a separate type air conditioner, comprising control signal transmitting / receiving means, wherein the control signal transmitting / receiving means transmits / receives a control signal between an indoor unit and an outdoor unit. A control of a separate type air conditioner, which has a switch, enters an inspection mode by turning on / off an inspection mode changeover switch, and transmits an inspection result to an inspection machine connected to the control signal transmitting / receiving means. apparatus. 3. The separate type air conditioner according to claim 2, wherein the inspection mode changeover switch is turned on / off by connecting an inspection machine to the control signal transmitting / receiving means. Control device. 4. A control device for a separate type air conditioner, comprising control signal transmitting / receiving means, wherein the control signal transmitting / receiving means transmits / receives a control signal between an indoor unit and an outdoor unit. A wireless remote control signal received by the wireless remote control signal receiving means, and determining whether the wireless remote control signal is an inspection mode switching command;
A control device for a separate type air conditioner, characterized in that the inspection mode is entered by receiving the inspection mode switching command, and the inspection result is transmitted to an inspection machine connected to the control signal transmitting / receiving means. 5. The input data and the data input circuit are inspected in the inspection mode.
A control device for a separate type air conditioner according to any one of 1. 6. The output command and the command output circuit are inspected in the inspection mode.
4. The control device for a separate type air conditioner according to any one of 4 to 4. 7. The inspection mode simultaneously inspects the input data and the data input circuit and the output command and the command output circuit in the inspection mode.
4. The control device for a separate type air conditioner according to any one of 4 to 4. 8. A non-volatile memory is provided, and in the inspection mode, the data written in the non-volatile memory is read to inspect the written data. A control device for the separate air conditioner described. 9. The inspection result is transmitted to an inspection machine connected to the control signal transmission / reception means, and is output to a port of a microcomputer included in the control device. The control device for the separate type air conditioner described in. 10. The control device for a separate type air conditioner according to claim 1, wherein the control signal receiving means cancels the inspection mode by receiving a change signal for canceling the inspection mode. 11. The separate type air according to claim 2, wherein the inspection mode changeover switch releases the inspection mode by inverting the ON / OFF state from the ON / OFF state for setting the inspection mode. Harmonic controller. 12. The control device for the separate type air conditioner according to claim 3, wherein the wireless remote control signal receiving means cancels the inspection mode by receiving a change signal for canceling the inspection mode.