JPS6313092B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a solar heating and hot water supply system that performs heating and hot water supply using solar thermal energy.

A conventional solar heating water heater of this type was constructed as shown in FIG. That is, the heat medium heated by the collector 1 is switched to the heating heat storage tank 3 or the hot water supply heat storage tank 4 by the heat collection circuit switching valve 2,
The heat collecting pump 5 circulates the heat and performs heat collecting operation. In addition, for heating operation, either the heating heat storage tank 3 or the auxiliary heat source device 7 is selected by the heating switching valve 6,
The heating circulation pump 8 circulates the heat medium to the radiator 9. Further, the controller 10 controls heat collection operation, heating operation, etc., and control operations are performed in response to operation signals from an operation switch 12 of a remote control box 11. Further, the remote control box 11 is usually placed indoors at a position where it is easy to operate, and is away from the installation location of the equipment.
It is connected to the controller 10 by a transmission line 13.
The remote control box 11 is also provided with a display 14 for displaying the operating status of the equipment, but this display 14 only includes a power lamp, a temperature display lamp, etc. Therefore, this cannot be said to be sufficient to grasp the operating status of a large-scale and complicated device. When operated by a user without specialized knowledge for household use,
It was difficult to operate and was an obstacle to efficient operation. Furthermore, during maintenance and inspection, it is necessary to use a dedicated measuring device at the location where the controller 10 is installed in order to know the conditions that determine the operation of each device, such as the status of the differential temperature thermometer.
a remote control box 1 having an operation switch 12;
Because the location was far away from 1, the workability of maintenance and inspection was extremely poor.

In view of the above-mentioned conventional drawbacks, the present invention enables even a person without specialized knowledge to reliably grasp the operating status of the device.
The purpose is to improve operability and enable effective operation, as well as to improve workability during maintenance and inspection.

In order to achieve the above object, the present invention provides a remote control box in which an operating status display of the device and a plurality of operation switches are arranged in correspondence with the configuration block diagram of the solar heating water heater. By switching the display changeover switch, at least a portion of the operating status display is used to display service information necessary for maintenance and inspection of the equipment.

With the above configuration, the user can easily grasp the status and relationship of each block of the device using the operating status display on the remote control box.As a result, it becomes clear which switches need to be operated, and the operating conditions etc. can be checked during maintenance inspection. Display of service information, display of operating status, and operation of operation switches can be performed in one place.

Hereinafter, one embodiment of the present invention will be described based on FIGS. 2 to 4. Note that parts that are the same as those in FIG. 1 will be described using the same numbers.

In FIG. 2, heat collection circuit switching valves 2a, 2b,
2c is provided in the heat collection system path configured between the collector 1, the heating heat storage tank 3, and the hot water supply heat storage tank 4, and depending on the combination of the switching positions, the third
Form the heat collection paths shown in Figures a, b, and c. Figure 3a shows heat collection from the collector 1 to the wall heat tank 4 for hot water supply, Figure 3b shows heat collection from the collector 1 to the heating heat storage tank 3, and Figure 3c shows heat collection from the heating heat storage tank 3 for hot water supply. The state of heat transfer to the heat storage tank 4 is shown. Further, the heating circuit switching valve 6 selects the supply of heat medium to the radiator 9 from the heating heat storage tank 3 or the auxiliary heat source device 7. And also thermistor 15,
16 and 17 are the collector 1, the lower part of the heating heat storage tank 3,
The temperature of the lower part of the hot water supply heat storage tank 4 is detected, and the thermistors 18 and 19 detect the temperature of the solar water supply and the temperature of the solar heating medium, respectively. The hot water amount sensor 20 detects the temperature of each layer of the hot water heat storage tank 4 to detect the amount of hot water.
19 and is connected to the controller 10, and used for operation control and status display of heat collection, hot water supply, and space heating. The hot water supply circuit switching valve 21 is provided in the hot water supply path from the hot water supply heat storage tank 4 to the hot water tap 22, and selects between direct hot water supply from the hot water supply heat storage tank 4 and additional hot water supply via the auxiliary heat source device 7. do.

In FIG. 4, the remote control box 11 has
Heat collection mode switch 23, heating mode switch 2
4. Heating operation switch 25, hot water addition switch 26, system operation switch 27, sleep timer switch 28, timer changeover switch 29, timer adjustment switches 30a, 30b, heat collection operation status indicator 31, hot water temperature indicator 32, hot water amount Display 3
3. Addition indicator 34, heating heat medium temperature indicator 3
5, an auxiliary heat source heating indicator 36, a solar heating indicator 37, and a sleep timer indicator 38 are provided, respectively. Further, the timer 39 is used for displaying the time or for timer operation of heating. These operation switches and indicators are arranged in the shape of the configuration of the solar heating and hot water supply system and the heat medium path, so that the shape of the heat collecting block 40 and the shape of the heating block 41 are clearly distinguished.

As for the operation of the heat collection block 40, the heat collection mode switch 23 selects either a heating priority mode or a hot water supply priority mode. In the heating priority mode, the system shown in FIG. Heating heat storage tank 3
Heat collection operation is carried out. In this case, the lamps 31a and 31 indicate that heat is being collected into the heating heat storage tank 3.
b lights up and is displayed. When the absolute value of the temperature of the thermistor 16 provided at the bottom of the heating heat storage tank 3 reaches a predetermined value, the path shown in FIG. 3a is selected.
This time, the heat collection pump 5 is started and stopped due to the temperature difference between the thermistor 15 and the thermistor 17 provided at the lower part of the hot water supply heat storage tank 4, and heat collection operation to the hot water supply heat storage tank 4 is performed. In this case, the lamps 31a and 31c are lit to indicate that heat is being collected into the heat storage tank 4 for hot water supply. In the hot water supply priority mode, the system shown in FIG. After the heat collection operation to the heating heat storage tank 3 is performed, and furthermore, after the solar radiation disappears, the hot water in the hot water supply heat storage tank 4 is used to heat the thermistor 17.
When the temperature becomes lower than the temperature of the thermistor 19 provided at the upper part of the heating heat storage tank 3, heat transfer operation from the heating heat storage tank 3 to the hot water supply heat storage tank 4 is performed through the system shown in FIG. 3c. In this case, the operation indicator is lamp 3.
1d is lit and displayed. Although the heat collection block 40 performs complicated operation control in each mode, the state can be clearly grasped by the heat collection state display 31.

On the other hand, for the operation of the heating block 41, either the automatic switching mode or the auxiliary heat source mode is selected by the heating mode switch 24, and the heating operation switch 25, timer 39, and sleep timer switch 2 are selected.
Operation is started and stopped by 8. In the automatic switching mode, the auxiliary heat source device 7 and the heating circuit switching valve 6 are each controlled in a complicated manner according to the temperature of the thermistor 19 provided at the upper part of the heating heat storage tank 3, a timer, etc. In this case as well, the state of the equipment can be clearly grasped by the heating heat medium temperature indicator 35, the auxiliary heat source heating indicator 36, and the solar heating indicator 37.

Further, in FIG. 4, the remote control box 11
A display changeover switch 42 is provided on the bottom surface of the , and by switching the display changeover switch 42,
Hot water supply temperature indicator 32 and heating heat medium temperature indicator 3
5, the temperature difference between thermistor 15 and thermistor 16, the thermistor 15 and thermistor 17,
temperature difference, thermistor 16 and thermistor 17
The absolute value of the temperature of thermistor 19 and thermistor 1
The on/off state for set values such as the temperature difference of 7 and the temperature of the thermistor 19 is displayed in correspondence with the blinking of the lamp. That is, these are the conditions that determine the operating behavior of each device, and the operating conditions and operating states of each device can be known at the same time, and can be confirmed while switching each operation switch. The button of the display changeover switch 42 is thinner than a human finger, and when the remote control box 11 performs normal display, it fits inside the remote control box 11, and the remote control box 11 also displays the service information. When performing this, a thin screwdriver or the like is used to change the display changeover switch 42, and the display changeover switch 42 cannot be easily operated when the remote control box 11 is used for normal display.

As described above, the solar heating water heater of the present invention has the following features:
A display changeover switch is provided in a remote control box having a plurality of operation switches and an operating status indicator of the device, and by switching the display changeover switch, service information of the equipment is displayed using at least a part of the operating status indicator. Because I am doing this,
It is possible to acquire the information necessary for maintenance and inspection and to change the operation switch without using special measuring instruments, and as a result, the workability and reliability of maintenance and inspection can be significantly improved. be.

In addition, if the operating status indicator is a heat collection operating status indicator, and the operating status indicator and a plurality of operation switches are arranged according to the configuration of the device and the flow of the heat medium, complicated control can be achieved. Even a general user without specialized knowledge can easily understand the status of a device that is performing a process, thereby improving operability and making it easier for the user to use the device effectively. Can be done.

In addition, a display changeover switch has been installed, so instead of displaying a large number of operating displays all the time, the flow of heat medium required for the customer is displayed at all times, and the temperature is displayed for service personnel in the event of a malfunction or other abnormality. General customers are not confused by complicated displays, and accurate display is possible.

[Brief explanation of the drawing]

FIG. 1 is a system configuration diagram showing a conventional solar heating water heater, FIG. 2 is a system configuration diagram showing a solar heating water heater according to an embodiment of the present invention, and FIG.
Figures a, b, and c are explanatory diagrams showing the operating states of the solar heating and water heating system, and Fig. 4 is a layout diagram of each operation switch, etc. in the remote control box of the solar heating and water heating system. 1... Collector, 2a, 2b, 2c... Heat collection circuit switching valve, 3... Heat storage tank for heating, 4... Heat storage tank for hot water supply, 5
...heat collection pump, 6...heating circuit switching valve, 7...auxiliary heat source device, 8...heating circulation pump, 11...remote control box, 23...heat collection mode switch, 31...heat collection operation status indicator, 42...display switching Switch.

Claims (1)

[Scope of Claims] 1. A collector for receiving solar heat, a heating heat storage tank and a hot water supply heat storage tank in which a heat medium from the collector is switched and circulated by a heat collection circuit switching valve, and a heating heat storage tank for heating in the heating heat storage tank. A remote control box having a radiator connected via a circulation pump, and a plurality of operation switches for controlling a heating block mainly consisting of the heating heat storage tank and a heat collecting block mainly consisting of the hot water supply heat storage tank. The remote control box has figures each simulating the collector, the heating block, and the heat collecting block arranged therein to indicate the state of the flow of the heat medium flowing between the collector, the heating block, and the heat collecting block. A solar heating system in which an operating status indicator to be displayed is arranged in accordance with the figure, a temperature indicator is provided in each of the heating block figure and the heat collection block figure, and a display changeover switch is provided to operate the temperature indicator. Water heater. 2. The solar heating water heater according to claim 1, wherein the operating state indicator displays at least the heat collecting operating state. 3. The solar heating water heater according to claim 1, wherein the display changeover switch is housed in the remote control box so that it cannot be easily operated when the normal display is performed using the remote control box.