JPH03199845A - Air conditioner - Google Patents

Abstract

PURPOSE:To control operating conditions by the operation of switches by providing operating condition setting means for setting operating conditions by code signals at every input of digital signals generated by the switches and controlling a blower and a compressor in accordance with the set operating conditions. CONSTITUTION:A transmitter 1 transmits an operation feed control signal PWO or a timer feed control signal PTO to an air conditioner body 4 side in response to the operation of a switch 2 or 3. An air conditioner body 4 comprises an air conditioning mechanism including a compressor, a fan motor, a four-way valve and the like, digital type timer means 6 for a timer operation, a receiver JS, namely, a receiving unit 7 for receiving the transmitted operating signals PTO and PWO, an amplifier unit 8 and a signal discriminating circuit 9 for discriminating the control signal PTO from the control signal PWO in signals amplified by the amplifier unit 8. The transmitter 1 further includes an operation controller 10 for controlling the operating condition of an air conditioner 5 by the operation control signal PWO discriminated by the discriminating circuit 9 and timer control means 11 for controlling the set condition of the timer means 6 by the timer control signal PTO.

Description

[Detailed Description of the Invention] Technical Field> The present invention provides a transmitter that wirelessly transmits digital signals by operating an operation switch, and a digital machine that controls operation by inputting digital signals from this transmitter when lost. Regarding measures such as cases.

<Prior Art> Typically, an air conditioner is placed at a location away from the user, such as by installing the air conditioner body at a high location in a room or by attaching it to a window.

Therefore, operations such as turning the air conditioner itself on and off, setting the timer, setting the control temperature, and setting the strength of the air blowing are performed. The air conditioner itself can be swept from a remote location using this remote control.

By the way, this remote control has a storage space in the air conditioner itself, but since it is troublesome to store it every time, it is usually placed near the user's hand, that is, in a location away from the air conditioner itself. There are many. Therefore, the location of the air conditioner is often lost while it is in your hands, and in this case, there is a problem that the air conditioner main body cannot be operated.

Therefore, for example, Japanese Patent Application Laid-Open No. 50-97146 proposes an air conditioner operated by a remote control in which a control switch for controlling the operation of the air conditioner is provided on the air conditioner main body. Such a device can be operated with a remote control, and the air conditioner can be controlled with a switch on the air conditioner itself.

However, the switch installed in the above-mentioned conventional air conditioner is a complicated cam switch with four contacts that are opened and closed by cams, so the switch itself is large, making the air conditioner itself larger. There is a problem with it.

A problem with such a cam switch is that the more the number of operating conditions to be set increases, the more complicated the structure becomes and the larger the size becomes.

Problems to be Solved by the Present Invention> It is an object of the present invention to enable many operating states to be set with a simple configuration when a switch for controlling the operation of the air conditioner is provided in the air conditioner main body.

<Means for solving the problem> An air conditioner body equipped with a transmitter that wirelessly transmits a digital signal by operating a control switch, and a digital control circuit that controls operation by inputting the digital signal from the transmitter. , wherein the air conditioner body is provided with a switch that generates a digital signal each time it is operated, and the digital signal generated by this switch codes the operating state of the air conditioner each time the signal is input. An operating state setting means that is set using a signal is provided, and the blower and compressor are controlled according to the operating state set using this code signal.

Function> A digital signal is generated each time a switch provided on the air conditioner body is operated, and a code signal is set each time this digital signal is input. This code signal corresponds to each operating state, and the blower and compressor are controlled in accordance with the set code=4 signal.

As a result, each operating state can be controlled by operating a switch provided on the air conditioner main body even without a transmitter.

<Example> Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of main parts of an embodiment of the present invention.

As shown in FIG. 1, the air conditioner according to the embodiment of the present invention includes a transmitter 1 that wirelessly transmits operation signals, and an air conditioner main body 4 that includes a device that receives the operation signals. ing. The transmitter 1 has an operation state control switch 2 and a timer operation switch 3, and transmits control signals PWO and PTO for operation forwarding or timer forwarding in response to the operation of the switches 2 and 3 by ultrasonic waves or infrared rays. etc., to the air conditioner main body 4 side.

The air conditioner main body 4 has the mechanisms that a normal air conditioner has, that is, an air conditioning mechanism 5 such as a compressor, a fan motor, and a four-way valve necessary for cooling or heating operation, as well as a digital type for timer operation. timer means 6;
and a receiving device JS that receives the transmitted operation signals PT○ and pwo, that is, a signal receiving section 7, a received signal amplifying section 8, and a signal discrimination circuit 9 that discriminates the amplified signals into respective control signals PTO and PW○. There is. Furthermore, the air conditioner main body 4 determines the operating state of the air conditioner 5, for example, "air blowing only" or "cooling (or heating) operation," according to the operation control signal PWO discriminated by the discrimination circuit 9. Strong rotation speed.

The operation control unit 10 controls the setting state of the timer means 6 by the timer control signal PTO, such as "continuous operation", "work time operation",
It has a timer control means 11 that controls "two-hour operation" and the like. When the timer operation time reaches "O", the timer means 6 issues an operation end signal to the operation control section 10 and stops the operation of the air conditioning mechanism 5.

The air conditioner further includes an operation display section 12 that visually displays the operating state of the air conditioning mechanism 5, and a timer display section 13 that visually displays the set state of the timer means 6. This will be explained later.

14 is an auto-clear device for setting the operation control section 10 and timer control section 11 to the initial state when the power is turned on.

FIG. 2 is a circuit diagram of the main part of the air conditioner main body 4,
15 represents the indoor side, and 16 represents the outdoor side. In the figure, CON represents a portion other than the air conditioning mechanism 5 in the air conditioner main body 4 of FIG. 1, and RYI to RY4 are relays that control the fan motor M1 and compressor relay RY5.

SWI and SW2 are switches provided on the panel of the air conditioner main body 4 to manually generate an operation sending signal and a timer sending signal, respectively.

Note that SW is a main switch. L1 to L4 are relay contacts connected via the fan motor internal thermoswitch TSW1, and the above relays RY1 to RY4
The opening and closing are controlled respectively by Above fan motor M
1, high speed by opening and closing of the relay contacts L1 to L3,
It can be switched between medium speed and low speed. M2 is the outdoor fan motor,
The fixed point thermoswitch TSW2 switches between high speed H and low speed. CP is a compressor equipped with an overload relay OVL, and on/off is controlled by a compressor relay RY5. (For convenience of drawing, relay RY5 is shown on the indoor side) Note that C1 to C5 are capacitors.

Next, explanation will be given using the detailed circuit shown in FIG.

FIG. 3 is a detailed diagram of the CON part in FIG. 2,
The CON mainly includes a receiving device JS that receives a transmitted signal, a signal converter TP that converts the received signal into a clock signal, a digital controller CF that receives this clock signal and controls each section described later, and an air conditioning mechanism 5. A relay part RY that controls the operation of the timer, a timer TM that measures the time during timer operation, and a ``day''-shaped segment display DPI that displays the operating status of the air conditioning mechanism 5 and the set status of the timer, respectively. , DP2.

Among the above configurations, a receiving device JS and a timer TM.

8 The display bodies DPI and DP2 respectively correspond to the receiving device JS, the timer means 6, the operation display section 12, and the timer display section 13 in FIG. This corresponds to relays RYI to RY4 in the figure. Also, SWI, SW2 in Figure 3
This corresponds to

Next, the operation of each of the above parts will be explained in detail. First, in the receiving device JS, 01T1 and C2T2 are the driving sending signals pwo.
, tuning circuits each tuned to the frequency of the timer sending signal PTO, in which the signal from the transmitter 1 is transmitted to the receiver 7.
Even if the signal is simultaneously supplied to the two tuning circuits through the amplifying section 8, only one circuit will resonate with the signal.

That is, upon receiving the operation sending signal PWO, the tuning circuit Cl
Only Tl resonates and a signal enters the base of transistor Q1, turning on transistor Ql.On the other hand, when the timer sending signal PT○ is received, only tuning circuit C2T2 resonates and a signal enters the base of transistor Q2, turning transistor Q2 on.
turns on.

Therefore, the receiver JS can distinguish which signal is transmitted from the transmitter I.

Each output of the transistors Ql and Q2 is supplied to the next signal conversion section TP. In the signal converter TP, IC1
~IC2 is a comparator IC, and when the voltage level of input ■ rises, the output level also rises, and conversely, when it decreases, the output level also decreases.Similarly, when the voltage level of input - rises, the output level decreases, and vice versa. When the output level decreases to , the output level increases. The collector of the transistor Ql is connected to one input terminal of the above C1, and when the transistor q1 is turned on, an L level ("°0'") is applied to the terminal.
) signal is supplied, so the output of C1 becomes H level (
The signal becomes “1”).

In addition, the transistor Q is connected to the O input terminal of the IC2.
When the transistor Q2 is turned on, an L-level potential is supplied to the terminal, so that the output of the IC2 becomes H-level. In this way, the outputs of IC1 and IC2 become H level only when they receive the transmission signal from transmitter 1, and these outputs are used as clock signals CPI and CP2, respectively, to IC4 of the counter IC of the next digital control unit CF. supply to.

In the digital control unit CF, IC4 is a counter IC that includes a 4-bit operation control counter and a timer control counter, and has an input terminal QPI that receives the output of the ICI, and an input terminal QP2 that receives the output of the IC2. has.

Each of the above counters receives the signal supplied to each input terminal.
o o o”→”0001”→“’0010”→The contents are counted as output terminals Q3 to QO and R.
3-Output from RO.

A capacitor C is connected to the operating clear terminal CL1 of the above IC4.
5. The output of an auto-clear circuit consisting of resistors R3, R4, and diode DI is supplied, and the output of an auto-clear circuit consisting of capacitor C6, resistors R15, R16, and diode D3 is also supplied to timer clear terminal CL2. , when the power is turned on, an auto clear signal is sent to each terminal C.
L l.

Since the signal is supplied to CL2, the contents of each counter of TC4 become "'o o o o"' state.

IC, 5 is an input terminal for the main power of the output terminals Q3 to QO of the above IC4, and receives the input terminals C, B, and A, respectively, and selects a segment for displaying the numbers "0" to "9" based on the input of the 4 bits. This is a decoder IC that converts the signal Sa-3g and supplies it to the display DPI.

The decoder described above may convert a 4-bit binary coded decimal code signal into a segmented signal for displaying other decimal digits. For example, when the power is turned on, the output of IC4 is Q3 to QO-〇 (L level), so in this case, the segment selection signal is 5aA-3f=1, sg
Convert so that =o. Therefore, the display DPI is a number "
°O゛ will be displayed.

IC6 is a decoder IC that receives the outputs of output terminals Q3 to QO of the above IC4 to input terminals D to A, respectively, and converts the 4-bit input into a decimal signal.
Each relay of the relay section RY is controlled by the output of the above-mentioned relay section RY. The relationship between the inputs to the input terminals A to D of the IC6 and the outputs of the output terminals 00 to 09 is shown in the table below.

CA-L, BL, CL, DL]: O, -H
Other L [Δ-H, BL, CL, D-L'l: O,,
-H [A-L, B-H, C-L, D-L]: O, -H
〃(A-H, B-H, C-L, D-L:l ・03-H
〃[A-L, BL, C-H, DL): 04-H〃[
A-H, BL, C-H, DL): O, -H [A-
L, B-H, C-H, D-L): 06-H〃[A-H,
B-H, C-H, D-L]: 07-H〃[A-L, B-
L, C-L, D-H]: 08-H〃(A-H, B-L,
C-'L, D4): 0e-H Therefore, for example, when the power is turned on, the levels of input terminals A-D of IC6 are all "
0゛, only the output terminal O8 becomes 1'', but if the terminal is 0゛, some relays are not connected to RY, and relays RYI to R
All of Y4 remain off (stop state).

Next, the remote control operation of the air conditioning mechanism 5 is shown in Figure 4 (
This will be explained using a). When the N source is turned on, as described above, the display DPI only displays the number "PAO" and the air conditioning mechanism 5 does not operate at all.The display of the number "O" instructs the operator to turn on the power (remote control possible). be done.

In this state, when the clock signal CPI based on the operation of the switch 2 of the transmitter 1 is supplied to the QPI terminal of the IC 4, the operation control counter counts up to ""000.
1". With this content change, the input to the IC5 becomes "0001", so the number "1" is displayed on the display DPI.
is displayed.

Also, the input to the IC6 above is '0001', so the IC
Only the output terminal 01 of 6 becomes “1”, and the diode D
15, transistor Q4 is turned on, and relay RY2 is turned on. Since this relay RY2 closes the relay contact L2, the fan motor M1 rotates at a medium speed (air blowing only).

Thereafter, each time the clock pulse CP1 is generated, the operation counter of the TC4 counts up, and the display DPI displays a number "2"°'3" . . . in response to this.

On the other hand, the output terminals of IC6 sequentially become "1",
When the output terminal O6 of IC6 becomes 1", the diode D
9. Transistors Q3 and Q6 are turned on via DIO, relays RYI and RY4 are turned on, the fan is rotated at low speed, and the compressor is operated (weak cooling). Also, when the output terminal 03 of IC6 becomes ``1'', the diode D13. Relays RY2 and RY4 are turned on via D14 and transistors Q4 and Q6, and the fan rotates at medium speed and the compressor operates (medium cooling).

Next, when the output terminal o4 of IC6 becomes "L", the relay RY3. RY4 turns on, the fan rotates at high speed, and the compressor operates (strong cooling).

When the fifth clock pulse CPI is generated and the operation control counter becomes '0101', the output terminal 05 of the above IC6 becomes '■', and the output terminal of the IC4 becomes '■' through the diode D8.
A signal is supplied to the clear terminal CLI of the above IC.
The counter in 4 will be reset and the display DPI will be “
When the temperature reaches zero, the air conditioning mechanism 5 stops operating.

In this way, in this embodiment, there are five possible states of the air conditioning mechanism 5.
The same operation is repeated every time five clock signals CPI are generated.

Next, timer operation will be explained.

In the digital control unit CF, the contents of the timer control counter of the IC4 are supplied to the input terminals DA of the IC7 and IC8, which are derived from the output terminals R3 to Ro.

The above-mentioned IC7 is an IC that is exactly the same as the above-mentioned IC5, and converts the contents of the above-mentioned output terminals R3 to RO into a segment selection signal Sa-3g for displaying the numbers "0°" to "'9", and supplies it to the display body DP2. .Therefore, when the power is turned on, R3 to R
Since O=O (L level), the display DP2 displays the number "O" exactly like the display DPI. Incidentally, the ethics of IC7 may be partially rearranged so that when the human power is "oooo", the output Sa-3g becomes all "PaO".

In this way, when the power is turned on, the display body DP2 is turned off.

The IC8 is a decoder IC that is exactly the same as the IC6, and its output instructs a timer TM to operate continuously, for one hour, for two hours, etc., which will be described later.

The timer TM is composed of an oscillation circuit that generates a timer clock signal CP3, and a counting IC ICl0 that counts this clock signal CP3.

The oscillation circuit is composed of a comparator Ic(]C3, a capacitor 8, and resistors R17 to R23, and its oscillation frequency is determined by which of the resistors R21 to R23 is connected to the power source.

The selection of this resistor is an analog switch IC whose on/off is controlled by the output of IC8 of the decoder IC.
This is done by IC9 of.

IC9 is an IC with four independent bidirectional analog switches, and the control terminals 1CrN to 4CIN are
If set to H, input/output distance lN10UT (■～■) -〇U
T/IN (■~■) is conductive (ON), and when the control terminal is set to L, the input and output are disconnected.

It becomes conductive (OFF).

The one bidirectional analog switch has a configuration as shown in FIG. 5, for example. The above resistors R21 to R23
are connected to the input/output terminals ■ to ■ of the above IC9, so depending on which of the above analog switches is turned on, the resistor connected in series with the capacitor C8 changes. Oscillation frequency changes.

ICl0 is a time counter IC that receives the clock signal CP3 at the clock input terminal C1ock and counts it. For example, it is a binary counter with 14 stages of T-type flip-flops connected in cascade, and outputs at the falling edge of the clock signal. Trigger and get the output.

Since this counter has 14 stages of flip-flops connected in cascade, it is possible to count up to the 14th power of 2, but in this embodiment, the highest flip-flop among the 14 stages is The count is configured to end when the count reaches "1", that is, when it counts '8192'.

The clear terminal CI of ICl0 has a resistor R24.
, R25, a capacitor C7, and a diode D5, and the output of the IC2, that is, the clock signal CP2, is supplied through the diode D2. Furthermore, when this counter rcio counts the clock signal CP3 up to 8192'', it generates an output of ``1°'' from the output terminal Q+4, but this output is passed through the diode D16 to the clear terminal C1 of the above-mentioned ICl0.
,.

, and the diode D7. It is supplied to the clear terminals CLI and CL2 of the IC4 via D6.

Next, remote control of the timer will be explained with reference to FIG. 4(b).

First, when the power is turned on, the timer control counter of the TC4 is reset, so the inputs of the IC7 are A=L, B=L, and C=L.

D=L, and the display DP2 is displaying O''. At this time, only the output terminal ○ of the above IC8 is 1.
'', so IC9 connected to this output terminal O8
Only the input terminal IC becomes 0'1', and the - terminals of IC9 are short-circuited. Therefore, the input of IC3 is connected to ground, and the oscillation circuit formed by IC3 stops oscillating. Therefore, cl to ICl0
There is no ock input, and the clock C10 has also stopped counting. Therefore, the equipment operates continuously regardless of time. Note that the counter IC 10 has also been reset.

Here, operate the transmitter to send the ``timer send'' signal PT.
When O is inserted, it resonates at C2-T2 and the transistor Q2
Bass signal is input. As a result, O2 becomes conductive and O2 becomes conductive.
The collector potential of No. 2 becomes L.

In other words, an L signal is input to the input of IC2. This allows I
The output of C2 becomes H and is input as the clock input of IC4. As a result, the output mode of IC4 is [R, -H
, RI-L, R, -L, R, -L].

Therefore, the input of IC7 is [A-H, BL.

(, -L, DL], and the display shows rlJ (for example, means that the timer is set for 1 hour).

Also, at this time, [A-H, B-
L, CL, DL], and the output at this time is H only for OUT PUT. This is I
20 of C9. In order to enter N, conduction occurs between ■ and ■ in IC9. Therefore, the oscillation circuit oscillates at a certain frequency determined by the time constant of CB-R21. This is rcro
clock input terminal, and ICl0 starts counting. Then, when a certain number of clock pulses are counted (for example, 8192), the output terminal QI4 of IC10 goes high.
level. This output is connected to diode D7. It is supplied to the clear terminals CLI and CL2 of IC4 through D6, and the IC
CIear each counter of 4, stop the equipment, return the operation display to 0°, and stop the oscillation of the timer TM. (IC4 is reset with C1ear,
As the output of 8, OUT PUT O8 becomes H,
Therefore, the circuit between ■ and ■ of IC9 is connected to the ground, and the input of IC3 is connected to the ground, and oscillation is stopped. ) Furthermore, ICl0 itself is also reset by the output of O14.

To set the time of this timer, for example, operate the transmitter twice and set the output mode of IC4 to [R, -L, R].

H, R, -L, R, -L], then the input of IC7 is [1-L, B-H, C-L, D-L], so
The display shows "2". (Means 2 hours) Also, as an input to IC8, [A-L, BH, (, L
, D-L], and the output is OI of 0UTPUT
Only 3C of IC9 becomes H.

Therefore, conduction occurs between ■ and ■, and the oscillation circuit becomes C3R22.
oscillates at a certain frequency determined by the time constant of Since this frequency is different from that in the case of C8-R21, the setting time can be varied.

Note that the operation after time-up is the same as described above.

When the transmitter is further operated, the output of IC4 becomes [Ro,
-H, R, -H, R, -L, R8-L], and IC
The input of 7 is also [A-H, B-H, CL.

DL] and the display shows "3" (meaning 3 hours). Furthermore, the input of IC8 is also [A-H.

B-H, 'C-L, D-L] and the output is 0U
03 of TPUT becomes H, which is 4CtNn of IC9.
Since I enters, conduction occurs between ■ and ■, and the oscillation circuit becomes CB-R.
Since it oscillates at a certain frequency determined by the time constant of 23, it is possible to set the time accordingly.

In this way, even if the count number of the counter ICl0 is the same, the setting time of the timer can be arbitrarily determined by changing the frequency of the clock signal CP3.

If you operate the transmitter again and input the clock to IC4, the output mode will be [Ro-L, R.

L, R2-H, R3-L], and the input of IC8 is also [
A-L, B-L, C-H, D-L] and 0UTP
04 of UT becomes H, but this output signal is connected to diode D.
4 to the clear terminal CL2 of the IC4, the timer control counter of the IC4 is cleared and the timer display is returned to "O", and the oscillation operation of the timer TM is stopped to set the initial state.

As described above, there are four set states of the timer TM in this embodiment, and the same state is repeated every time four clock signals CP2 are generated.

Furthermore, if the -degree timer TM is set and the set time is changed by emitting the timer sending signal PT○ before it times up, the clock signal CP2 is passed through the diode D2 to the clear terminal C1ea of the counter IC IC10.
r, the ICl0 will be cleared at that point and the newly set time will be counted again. For example, set the timer TM to 1 hour, then set the timer TM to 2 hours.
If you reset the timer TM to 2 hours after 0 minutes have passed, 40 minutes remain from the previously set time, but this content will be cleared and 2 hours will be counted again from the time you changed it. .

As described above, by operating the switches 2 and 3 provided on the transmitter 1, the operating state and timer setting state of the air conditioner main body 4 can be wirelessly controlled.

That is, in the above embodiment, the receiver JS, the signal converter TP, and the IC4 in the digital controller CF, together with the transmitter 1, convert the contents into a digital signal in response to an instruction from the switch 2 and store it. IC6 in the digital control section CF constitutes an operation control means for setting the operating state together with the relay part RY.

Also, capacitor C5, resistors R3, R4, diode D1
The auto-clear circuit, which consists of
oo'' state, that is, the air conditioner main body 4 is set to a stopped state in which no air conditioning operation is performed, thereby completely preventing overload on the compressor.

When the manual operation switch SWI is operated, the transistor Q
Since the collector and emitter of CP1 are short-circuited, a clock signal CP1 is generated and the operating state can be changed. Similarly, by operating switch SW2,
The timer set state can be changed.

[Other Embodiments] (1) Although numbers are displayed by the display bodies DPI and DP2, other encoded symbols may be used.

(2) Also, in the relay circuit RY, an example was given in which four relays were used, but the number of relays can be easily increased or decreased depending on the purpose, and by replacing the relays with semiconductor elements such as SCRs and triacs, complete Contactless control is also possible.

(3) According to the above embodiment, until the operating state of the air conditioner is changed from "blow operation" to "stop" state, as shown in FIG.
), four operation sending signals PWO must be generated, and the timer setting must be changed from "1 hour" to "
As shown in FIG. 4(b), it is necessary to generate three timer sending signals PTO until changing to "continuous", which makes the switch operation very cumbersome.

These drawbacks can be overcome by providing a quick-off switch that returns the device to its initial state with a single switch operation, no matter what operating position the device is in.

In other words, a quick cut-off switch is newly installed in transmitter 1, and 26
- The frequency of the immediate decision signal generated by the operation of this quick decision switch is set to
Make the frequency different from ○. On the other hand, on the side of the air conditioner main body 4, an instant disconnection tuning circuit having a tuning frequency corresponding to the immediate disconnection signal described in "2" is provided in parallel to the tuning circuits C1 and TI in FIG. 3, and the output of the tuning circuit is clocked. The signal is supplied to the clear terminal CLI of the IC4 through a signal conversion means (for example, ICI or a comparator IC similar to IC2 may be used).

With such a configuration, even if the content of the operation control counter of the TC4 is between "'O°'" and "4", if the instant disconnection switch of the transmitter 1 is operated, the instant disconnection tuning circuit will be activated. Since the instant signal enters the clear terminal of IC4, the counter is always 'o o o'.

''' state, that is, the initial state. Therefore, it is very convenient to return the air conditioner to the initial state.

Further, in order to generate this quick-cut signal in a simulated manner on the main body 4 side, a quick-cut manual switch corresponding to the manual operation switch SWI in FIG. 3 may be provided on the front panel of the main body 4.

Similarly, a switch for quickly turning off the timer set can be further added. In this case, the timer set immediate discontinuation signal received on the main body 4 side is configured to be supplied to the clear terminal CL2 of the IC4 and also to the clear terminal CL ear of the ICl0. Furthermore, a manual operation switch for immediate termination of the timer set can be added in the same manner as the manual operation switch for immediate termination.

As described above, the air conditioner stores the storage contents of the storage means for storing operating state instructions such as a stopped state in which air conditioning is not performed, a blowing state, a cooling (heating) state, etc. as a digital signal, when the power is turned on and when the power is turned on. - When the power supply is temporarily cut off and the power is turned on again, an auto-clear means is used to set the contents to correspond to the stopped state.

Therefore, if the power supply is temporarily cut off due to a momentary power outage or the like and then turned on again, the content of the digital signal in the storage means will be completely different from what it was before the power was cut off, and it will automatically switch to another operating state ( The air conditioner is in a state where the air conditioner is operating
There is no fear that the air conditioner will automatically operate when air conditioning operation is not required at all, such as at night.

In addition, if there is a momentary power outage while the compressor is operating, in the past, the compressor that had stopped would restart and become overloaded, but according to the present invention, if there is a momentary power outage, it will stop. This has the remarkable effect of being able to easily prevent this from occurring without providing a special protection circuit.

Conventional models do not have a means to prevent this overload, even though there is a risk of overload because the compressor that has stopped will restart when the power is turned on immediately after a momentary power outage. A load relay was installed to prevent damage to the compressor itself in the event of severe overload.

However, even if the overload relay did not work, an overload would always occur when power was turned on immediately after a momentary power outage, and repeating this cycle would shorten the life of the compressor. On the other hand, the air conditioner described above is based on digital control and can eliminate uncertainty in the operating state immediately after a momentary power outage, and can easily prevent overload when restarting the compressor immediately after a momentary power outage. In other words, in the case of digital control, the means for storing the operating state is arbitrary when the power is turned on immediately after a power outage, so there is a problem that, for example, something that is in a stopped state may become a cooling state when the power is turned on immediately after a power outage. , this will no longer happen.

Effects> According to the present invention, the operating state of the air conditioner main body is set by operating a switch provided on the air conditioner main body, and the blower and compressor are controlled to the set operating state. Therefore, even if there is no remote control, the operation of the air conditioner itself can be controlled by operating the switches on the air conditioner itself. Therefore, even if you lose the remote control, you will not be unable to operate the air conditioning.
Usability can be improved.

In the case of this invention, a digital signal is generated every time the switch is operated, and the operating status is set by a code signal every time this signal is input, so the switch itself only generates a signal every time it is operated. This is a very simple structure, and even if a switch for controlling the operating state of the air conditioner body is provided in the air conditioner body, the size of the air conditioner body does not increase. In addition, even when setting a large number of operating states, it is only necessary to digitally process the operating state using a code signal for each switch manually, so there is an advantage that the configuration of the air conditioner main body provided with the switch is very simple.

[Brief explanation of drawings]

FIG. 1, FIG. 2, and FIG. 3 are a block diagram, a circuit diagram, and a main part circuit diagram of the air conditioner of the present invention. Figure 4(a), (
b) is an explanatory diagram for explaining the operation of the air conditioner of the present invention;
FIG. 5 is a circuit diagram showing an example of an analog switch within the ICQ. Code 1: Transmitter, 4: Air conditioner body, JS: Receiver, TP
: Signal converter, IC4: Counter TC. rc5. Ice: decoder IC, DPI: display, R
Y: Part of relay, 5: Air conditioning mechanism.

Claims (1)

[Claims] 1. An air conditioner main body that includes a transmitter that wirelessly transmits a digital signal by operating an operation switch, and a digital control circuit that controls operation by inputting the digital signal from the transmitter; The air conditioner body is provided with a switch that generates a digital signal each time it is operated, and the digital signal generated by this switch converts the operating state of the air conditioner into a code signal each time the signal is input. An air conditioner is provided with an operating state setting means for setting the code signal, and controls a blower and a compressor according to the operating state set by the code signal.