JPS6269058A - Remote control unit of hot water supplier - Google Patents

Abstract

PURPOSE:To make it possible to supply hot water of a low temperature constantly after releasing priority and prevent burns and the like of a user by setting the temperature of hot water to a minimum set temperature when a signal of releasing the priority is supplied from a remote control portion which is in a priority state to a main control portion. CONSTITUTION:In a case where a remote control portion 6 carries out an operation of pressing button to close a changeover switch and in a priority state, even when operations of pressing button to close switches of other remote control parts 4 and 5 are carried out, these operations are invalidated until the priority releasing switch of the control part 6 is pressed and closed to release the priority. A main remote control portion 4 transmits data output from the remote control portion 6 to a main control part 2. Thereafter, when the supply of hot water due to the set temperature set by the remote control portion 6 is completed and the priority releasing switch is pressed and closed, an interface circuit 39 detects a priority releasing signal. An indication signal indicating 'tepid' which shows a minimum set temperature to the main control portion 2 and remote control portion 5 and 6 and the main control portion 2 outputs to a control circuit 8 a signal indicating the set temperature of hot water based on the indication signal indicating 'tepid'.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a data transmission device that remotely controls five appliances and transmits operation details to the appliances, and is used to remotely control household boilers, water heaters, etc. This applies to control devices.

(b) Conventional technology Regarding the conventional remote control 've installation,
As disclosed in Publication No. 104894, remote control (
There is one Department of Finance, and nine data communications are performed between the remote control device and the Department of Monarchy provided in the equipment.

Problems to be solved by the invention The present invention'4 Hot water supply locations: When hot water is supplied to multiple locations, such as the kitchen, bathroom, washroom, etc., it is inconvenient to be able to control one or more appliances from only one location. Not only that, but also 1. If you don't notice it while using the shower in the bathroom and suddenly change the temperature setting to a higher temperature than the one in the shower, can you get burns? negative 5
etc. Danger U-Aro-1 again. The aforementioned dangers? If any of the remote control units installed at multiple locations where hot water is supplied for midwifery is set to the hot water temperature, the hot water @? If you set the remote control section to take priority and control the device, and ignore any operations performed on other remote control sections, the remote control section that is controlling the device will take priority as described above. Is it given priority after the control unit sets the hot water temperature to a high temperature and performs hot water supply?
When the remote control unit releases hot water at a lower temperature, it is necessary to change the set temperature, and if the user does not notice this and uses it, the user may get burned. Problems such as liability had arisen.

(to) What is the method of solving the problem and for this purpose does the present invention control the equipment? A main control unit that performs
The main remote control section consists of a main remote control section J section and a remote control section that are connected in parallel to the main control section via the D-line for signal transmission and remotely control the equipment, and the main remote control section includes the main remote control section J section and a remote control section. Alternatively, when any of the remote control units is in the priority state, if a signal to cancel that priority is input to the main remote control unit,
A control means is provided for outputting a signal to the main control section to set the temperature to the lowest setting temperature.

(E) When either the main remote control unit or the remote control unit is in the priority state, when a signal to cancel the priority is input to the main remote control unit, the main remote control unit Since hot water is supplied at a certain temperature, there is a risk of burns to the user. to bear b'
-No.

(f) Example DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, one embodiment of the present invention will be explained based on the drawings.

(1) is the water heater main body, (2) is the main control unit that controls the water heater main unit (1), and the main remote control unit is connected to the main control unit via the two-tree signal transmission common line (3). The unit (4) and the remote control units (5) and (6) are connected in parallel, respectively. (Power is provided by the heat source control section.

The heat source such as a burner in the main body (1) is directly controlled, and the drive of the fuel supply pump, magnetic sending valve, proportional valve, etc. is controlled. (8) is the heat source control unit (controls the power) and the main body (1
) A control circuit consisting of a microcomputer (hereinafter referred to as microcomputer) that controls the entire control circuit (8).
A 4-bit microcomputer (KL"!, made by Sanyo Tsuki ■, M6402) is used. (9) is the main body (
1) Thermistor (10
1. Dividing resistance αD, reference pressure forming α2, operational amplifier 5 (131
+41 from the proportional gain adjustment resistor and other factors. (l
The parallel data (DI, D2..., DN+) outputted from the control circuit (8), such as the water temperature and the presence or absence of combustion, are converted into temporally serial data (DI, D2,..., D, ,
) An interface circuit consisting of a microcomputer that performs X conversion or its inverse conversion operation.

The microcontroller of the interface circuit (15) is a Sanyo Electric MLC6526C 4-bit microcontroller. I am using it. (IQ is the interface circuit (one output serial data CD+, D?,..., DN)
Serial data (D+, D2, . . . , D,
4) A transmitting/receiving circuit consisting of a microcomputer that receives serial data ( Dl.

D2. ..., DN) is modulated with a carrier signal of about 2250 KHz, and the modulated signal is transmitted to the main remote control unit (4).
and the remote control unit (5) L6], the DC power supply is superimposed to carry the power line for communication.
A LM6523C 4-pin microcontroller manufactured by M■ is used. Said main remote control section (4) - for example, is attached to the wall of the kitchen, and one remote control section (F5) 1'i is attached to a predetermined wall surface of the situation area, and the other remote control section (6) I or It is attached to a predetermined wall surface of the bathroom on the second floor, and the common line (3) is connected to the main remote control unit (4) by a web buried in one wall, as shown in Fig. 2. Water temperature selector switch (
Switches such as hot water supply @fine adjustment switch A1 (A) are provided.

Remote control unit f5) (as shown in Figure 3, the remote control unit 61 has a selector switch CI!I, which also serves as a priority and hot water temperature switch), a priority release switch, and a hot water fine adjustment switch (support) I241.
Switches such as a child lock switch (c) are provided. In addition, the main remote control section (4) and the remote control section (
5) (6) Ic is the operating lamp (equipment), Ell clamp 12 mark combustion lamp device and main remote control! 1111 copies only 7
2-digit hot water @ display (to) consisting of segment LED elements, monitors such as "lukewarm" 5 "shower etc."
"It's a little hot."

A display that indicates "hot" etc. ￥ Published by AC (3 pieces, 8 chrysanthemums).

The hot water Wk is equipped with LEDs (to) to display fine adjustment temperature every 1℃ ((to) to display fine adjustment temperature when variable to 4 levels of high and low... (361 is the transmitting/receiving circuit (16 ) and the remote control unit (5) (61 transmitting/receiving circuit 0TI (to)) and the transmitting/receiving circuit (to) and the remote control unit (51f61 transmitting/receiving circuit (37) (sub)). It uses the same microcomputer as the above-mentioned transmitting/receiving circuit (I).It is an interface circuit as C3 (11xi control means), and operates switches such as the operation switch (17) and hot water selection switch (Ie). Input serial data (DI, D2,..., D,) is converted into K and sent to each remote control unit (5), (6) and main control unit (2) address via the transmitter/receiver circuit c36). When the main control unit (2) is addressed, the hot water temperature indicator Q receives the hot water temperature data detected and output by the hot water flow detection unit (9) sent back from the main control unit (2). It also functions as a receiving means to display the temperature and display the output data from the operation of the switches on each monitor.The interface circuit (to) and the remote control unit (5) 61
The interface circuit (40 (41)) uses the same microcomputer as the interface circuit (151).

Furthermore, the interface circuits of the main remote side (2) and section (4) described above are equipped with a type of code (for example, one remote control section (5) is a digital signal) depending on the number of the remote control sections (4H5+) used. 01'' and the remote control unit (6) of the other power is set to ``10pa'' in digital value.
) What is the address in (6) for data communication? Let's do it.

This is the main remote tlJ! I-oboshibu (4) is the dominant individual section (
2) Time for 1 scanning to carry out data transfer with all remote control units t5) and (6). ).In this embodiment, the number of remote control units is two. good.

The present invention has the above-mentioned configuration, and the following! l! I will explain how to make it. First, when the operation switch (17) of the main remote control section (4) is pressed and closed, the operation output is received and the interface circuit 01L and operation lamp 127
), the display section c31) indicating "lukewarm", the LED (to) of 0°C for fine adjustment temperature lights up in purple, and these parallel data (DI, D2, ..., D, l)? Serial data (Dl.

D2t..., 0. l) 2 conversion and from own transmission/reception circuit (to) I? Common line (3) Main control unit (
2) and the remote control unit (5) t6). Data (D, ) is input from the main remote control unit (4) via the interface circuit (40 (4υ is the transmission/reception circuit (37) f38)?aj of the remote side (2) unit (5) f61.

When it detects that there is an ON signal for the operation switch in Dt+..., DH), the operation light is turned on, and the display section 01) indicating ``Lukewarm'' lights up. Serial data (DI, D2..., D,) input through the interface circuit (1 or 1 transmitting/receiving circuit uQ\)
[When it is detected that the operation switch σD ON signal and the basin setting signal are present, the control circuit f8) VC operation enable signal? At the same time, when the ON signal of the transmitter/receiver circuit (16141 operation switch (17) is detected, the control circuit (8) outputs an operation enable signal. Also, the serial data (D + , D
2,...

DN) to parallel data + DI, D2. . lukewarm”
Based on the display signal indicating this, the temperature is set to approximately 39°C and the control circuit (8) outputs K. , Hou JM circuit (8)'-1 As described above, the transmitting/receiving circuit u61 and the interface circuit a
5+a''- from the time when the respective output ready signals and the parallel data (D, , D2..., D9) including the set temperature of the small job output from the interface circuit (15) are input. The heat source control unit (7) is controlled to control the heat source inside the water heater body (1).Furthermore, when the hot water temperature selector switch (1 second? is pressed and closed), a message indicating "shower etc." is activated. The display part G2 lights up and the hot water @ is set to about 42°C, and when the next press is closed, the display part c33) indicating "slightly hot" lights up and the hot water temperature is set to about 48°C, and when the next press is closed, the water temperature is set to about 48°C. When E is closed, the display section (company) indicating "hot" lights up and the water temperature is 1.
- The temperature is set to about 70°C, and even after the 5th press closes, the temperature returns and the "Lukewarm" display 61) lights up. Also 5 hot water temperature fine adjustment switch C1! Adjust the hot water temperature by Jω to ±4°C every 1'C using the changeover switch for 9 seconds. At this time, one of the corresponding T, ED (3 凪 39 () 訃) lights up. When the temperature is set in this way, the interface Circuit field, transmitting/receiving circuit (ria, 0
0. Interface circuit OJ? Its set temperature f
-Ta'-Landlord Control Team (2) Control (Wealth) Circuit (8) Trap Manpower. - Since the output of the hot water benefit detection unit (9) that detects the temperature of hot water on the water heater (book (1)) is also manually input, the control circuit (8) (both manual inputs are compared and the comparison results are : The heat source control unit (7) is controlled based on C to control the heat source in the water heater body (1). The novel data is sent back to the main remote control unit (4) via the interface circuit U9 and the transmitting/receiving circuit O1, and is displayed on the hot water temperature display side.

Next, the main body of the water heater (1) by remote control @ section (5) (6)
The control will be explained below. When supplying hot water in the bathroom on the second floor where the other remote control unit (6) is installed, first the operation switch (1η) of the main remote control unit (4) is suppressed and opened to turn it on, and then the remote control unit (4) is turned on. When the selector switch 121) of section (4) is pressed and closed, the output is received and the own interface circuit 0 priority lamp (to) is lit, and the main remote control is performed via the own transmitting/receiving circuit (2). The data of the pressing and closing of the changeover switch (21) is transmitted to the unit (4). The main remote control section (4) is connected to the other remote control section (6).
When the press-closed data of the changeover switch (2I) is input in the data returned from the main remote control unit (4)
and the interface circuit U+4 of one remote control section (5) (j is the operation switch of the main remote side section (4), the water temperature changeover switch U, and the hot water temperature fine adjustment switch (19. , 20) The operation by pressing and closing the switches of 1 is invalidated.
1/l'' - When the switch switch 1211 is pressed to close and is in the priority state, the priority release switch 122 of the control rl 111 section (6) in this priority state is pressed and closed. Until it is released, the other σ) remote side (2)
Part 1'4) (5) switches? Even if you perform the operation to close the Oshio, the operation in step 7 will be invalidated. As mentioned above, the main control unit (2) transfers the data output from the main remote control unit (4) and the other remote control unit (6) to the main control unit (2). Control part (4)? The main body (1) of the hot water supply 2J is controlled based on the data manually inputted from the other remote Ill sub-section (6).

Thereafter, when the hot water supply at the temperature set by the other remote control unit (6) is completed and the priority release switch is pressed and closed, the main remote control unit (4) is transferred from the other remote control unit (6) to ) When an interface circuit detects a priority release signal in the input data, the interface circuit 3!31, main control unit (2) and remote control unit (5) +
Is there a display signal on 61 indicating “lukewarm” which is the lowest set temperature? Is the illumination signal that the IC is running ahead when outputting? It outputs and turns the operation switch a7) into the initial state of 1). Therefore, the main control section (
2) Based on the display signal indicating that the water temperature is lukewarm, the set water temperature is set to approximately 39"C. By outputting to the control circuit (81), the water heater body (1) is set as described above. controlled by.

Next, the main control section (2), which is performed as described above,
The method of transmitting data by time division (polling/selecting method) in 1-segyanning of each data between the main remote control unit (4) and the remote control unit 15) (61) will be explained below. As shown, from main remote control unit (4) to main control unit (2) and remote control unit t5)+6
By outputting a specific code (for example, "01') to "Please send data from the main control section (2)" to the main control section (2), the main control section ( From 2), the data content in response is sent to the main remote control unit (4)'
・Receive it. Next, as mentioned above, one remote location (1f@
Address section (5) with a specific code (for example 11″),
The main remote side 1jH1 section (4) receives the data content in response to this from the control section (5). nil operation as well as the other remote! tflll Clause 1 part (6) is also data I
d,, +7) f-, &, R-1″nr'
lf1. f-Emtm4ti11(a4]IV,,ti
It receives data such as combustion condition and detected hot water temperature from the main control section (2), and then receives the data? Remote control part! 5)(6
), lights up the combustion lamp 4, and displays each display 8.
D320% (b)? In addition to turning on the light, the remote control unit +
Data such as sluggish operation when either 51 + 61 is in priority state and setting lesions of hot water t1? After receiving the data, the data is transferred to the main control unit (2) and then sent to the water heater body (1).
It controls the In addition, the data contents operated and set when either the main remote control unit (4) or the remote side unit (5>+6) is in the bt priority state are addressed by the main remote control unit (4). The display data in the data content output by the main remote control unit (4) after that is transmitted when the main remote control unit (4) Since it is configured so that it is displayed on the device, it is possible to shorten the display time by one.Furthermore, the remote control unit (5) + 6) which is in the priority state
(priority to cancel its priority) IN cancellation signal 1 main remote 1
Ifi Sonobe (4) receives the corresponding main 4. Spatial moaning part (
4) is a signal control system g i' (
The provision of the interface circuit that outputs to S(2) makes it possible to supply a lower temperature to the feeder, thereby preventing burns to the user.

(G) Effects of the Invention The present invention is as described above, and the remote side (
Is there a signal to set the minimum temperature of the hot water when the priority release signal from the Department is sent manually to the main remote side? Since the main remote control unit is equipped with a control means that outputs the output to the main control unit, hot water can always be supplied at a low temperature after the priority is canceled, which has an excellent safety effect that prevents burns to the user. It is something to play.

[Brief explanation of drawings]

Fig. 1 is a block diagram showing the electric circuit system of the present invention, Fig. 2 is an external view of the main remote control unit, Fig. 3 is an external view of the remote control unit, and Fig. 4 is an explanation of data communication by time division. This is a diagram for (1)...Water heater body (equipment), (2)...Main control section. (3)... Signal transmission common line, (4)... Main remote control section, 15) f6)... Remote control section, 69)... Interface circuit ('I control means). Figure 2 Figure 3

Claims (1)

[Claims] (1) Consists of a main control unit that controls equipment, and a main remote control unit and a remote control unit that are connected in parallel with the main control unit via a common signal transmission line and remotely control the equipment. When either the main remote control section or the remote control section is in a priority state and a signal to cancel the priority is input to the main remote control section, the control section sends a signal to set the water temperature to the lowest set temperature. A remote control device for a water heater, characterized in that it is provided with a control means for outputting to a control section.