DE9401977U1 - Clock room thermostat - Google Patents

Description

BUDERUS HEATING TECHNOLOGY GMBH

G 1215 TE-P F/Pf

Description

Clock room thermostat

The innovation concerns a clock room thermostat for operating heating systems with a device for switching between the operating modes "heating mode" and "automatic mode" and for setting individually desired target temperatures.

In the case of clock room thermostats with analogue control devices, programmed temperature values can only be changed with increased effort. Analogue setting and reading of the individually desired target temperatures is difficult to combine with automatic operation, as the analogue control device cannot automatically return to the "automatic operation" position after manual adjustment. Solutions using automatic, motorised resetting of the control device are too expensive for normal applications.

A device should be created that allows operating mode switching and setting of individually desired target temperatures without any special technical effort. In particular, after the "manual operation" mode and the setting of the desired target temperature, a simple and quick return to the "automatic operation" mode should be possible.

According to the innovation, this is achieved by the control device being designed as a retractable control element, for example in the form of a push button, potentiometer or bit generator, which, when extended, sets the operating mode "manual operation" and, when pressed in, sets the operating mode "automatic operation", whereby the setting of desired target temperatures is only possible during the operating mode "manual operation".

The control element works on two levels, namely when pressed in for automatic operation and when extended for manual operation. The change is very easy, just like the usual push buttons. During normal operation, the button is pressed in. The system is operated in "automatic operation" mode. To make an individual change to the operation, the button is pressed and extended. The operating mode is now "manual operation" with the option of adjusting and reading the temperatures. For this purpose, a temperature scale is required, either a graphic scale on the control element or around it or a backlit field on the front of the device.

When returning to "automatic operation" mode, only the button is pressed. The previously set temperature value now applies regardless of the programmed value. However, it only applies until the next switching point of the entered program is reached, so that from then on the system is operated automatically again. An additional display field on the front of the device can provide the operator with information about the current temperature value.

If you want to switch from the "manual mode" back to the "automatic mode" without changing the programmed temperature value, this can be easily done by setting a value A (= automatic) on the scale. When you end the manual mode, turn the button to A and press it in. The system now runs with the programmed values.

The drawing shows an example of the innovation. It shows:

Fig. 1: The front view of a clock thermostat,

Fig. 2: Section A-A from Fig. 1 with printed control element and

Fig. 3: Section A-A from Fig. 1 with the control element extended.

The device has a control element 1 in the form of a button that is pressed in during the "automatic mode" (Fig. 2). By pressing it lightly, it is released from its locking position and extended by the pressure of a spring 2. Now the "manual mode" mode applies (Fig. 3). A light element 3 illuminates a field 4 with a scale 5 on the front of the device. Now the control element 1 can be set to the desired temperature value. The system then runs permanently with this value in the "manual mode" mode. If the control element 1 is pressed in, the light element 3 goes out and the system runs with this manually entered value until the next switching point of the entered program is reached in the "automatic mode". The value can be read on an additional display field 6. If you want to switch back to automatic operation without changing the temperature, the control element 1 is set to position A (= automatic) on scale 5 before pressing it.

Claims (5)

BUDERUS HEIZTECHNIK GMBH G 1215 TE-P F/Pf Protection claims 1. Clock room thermostat for operating heating systems with a device for switching between the operating modes "manual operation" and "automatic operation" and for setting individually desired target temperatures, characterized in that the device is designed as a retractable operating element (1), for example in the form of a push button, potentiometer or bit generator, which, when extended, sets the operating mode "manual operation" and, when pressed in, sets the operating mode "automatic operation", whereby the setting of desired target temperatures is only possible during the operating mode "manual operation". 2. Clock room thermostat according to claim 1, characterized in that a temperature scale (5) is assigned directly or indirectly to the control element (1) and that the temperature value set during the "manual mode" is valid for the entire duration of this "automatic mode" until the next switching point of the entered program is reached. 3. Clock room thermostat according to claims 1 and 2, characterized in that the temperature scale (5) has, in addition to the temperature values, a value A (= automatic) for immediate transition to the target temperature of the entered program when switching from the "manual operation" mode to the "automatic operation" mode. 4. Clock room thermostat according to claims 1 to 3, characterized in that the temperature scale (5) is designed as a graphic scale on or around the control element (1) or as a backlit field (4) on the front of the device. 5. Clock room thermostat according to claims 1 to 4, characterized in that an additional display field (6) is arranged on the front of the device for displaying the target temperature set in the "manual mode" and valid in the subsequent "automatic mode".