DE150962C

DE150962C -

Info

Publication number: DE150962C
Application number: DENDAT150962D
Authority: DE

Description

PATENTAMT.PATENT OFFICE.

JVi 150962 KLASSE 42/.JVi 150962 CLASS 42 /.

Der den Gegenstand der Erfindung bildende Temperaturregler weist die auch sonst schon bekannte Maßnahme auf, daß durch die Ausdehnung und Zusammenziehung einerThe temperature controller forming the subject of the invention also has the otherwise already known measure that through the expansion and contraction of a

, 5 abgesperrten Luftmenge in einem U-Rohre eine auf der anderen Seite unter Atmosphärendruck stehende Quecksilbersäule verschoben und dadurch die Öffnung oder Schließung elektrischer, ■ auf die Heizvorrichtung einwirkender Stromkreise hervorgerufen wird. Das Neue besteht darin, daß durch Verschiebung eines Kolbens das Volumen der abgesperrten Luftmenge geändert und somit der Regler in einfacher und bequemer Weise auf jede beliebige Temperatur eingestellt werden kann. , 5 blocked air volume in a U-tube displaced a mercury column standing on the other side under atmospheric pressure and thereby the opening or closing of electrical circuits acting on the heating device is caused. What is new is that the volume of the blocked air volume can be changed by moving a piston and the controller can thus be set to any temperature in a simple and convenient manner.

D.er Apparat besteht aus einem U-förmigen Glasrohr A A', welches in geeigneter Weise auf einer Tafel befestigt ist, und dessen einer Schenkel A an seinem oberen Ende durch eine umgebogene Spitze mit der Außenluft in Verbindung steht und nur eine kleine Öffnung besitzt, um das Eintreten von Staub zu verhüten. Durch seinen anderen Schenkel A'. D. The apparatus consists of a U-shaped glass tube A A ', which is fastened in a suitable manner on a board, and one leg A of which is connected to the outside air at its upper end by a bent tip and has only a small opening to prevent dust from entering. Through its other leg A '.

steht das Rohr mit einem von Luft erfüllten Behälter B in Verbindung. Der Behälter B ist nicht sehr groß und wird von dünnen Metallwandungen gebildet, die auf einem festen Rahmen angeordnet sind, zum Zwecke, einen schnellen Wärmeaustausch zwischen der eingeschlossenen Luftmenge und der Außenluft zu gewährleisten. Durch eine Stopfbüchse b, welche einen dichten Verschluß sichert, tritt ein Kolben C in den Behälter ein. Die Verschiebung dieses Kolbens wird durch eine Schraube D, welche auf der Tragplatte des Apparates gelagert ist, bestimmt. Mittels eines Zeigers c, welcher längs einer Skala E sich bewegt, kann man die Verschiebung des Kolbens der Skala entsprechend feststellen.the pipe is in communication with a container B filled with air. The container B is not very large and is formed by thin metal walls, which are arranged on a fixed frame, for the purpose of ensuring a rapid heat exchange between the enclosed amount of air and the outside air. A piston C enters the container through a stuffing box b, which ensures a tight seal. The displacement of this piston is determined by a screw D, which is mounted on the support plate of the apparatus. By means of a pointer c, which moves along a scale E , the displacement of the piston of the scale can be determined accordingly.

In das Rohr A A' treten zwei Platindrähte//' ein, deren Spitzen sich innerhalb des Rohres in derselben Höhe befinden und welche in zwei Klemmschrauben FF' münden; ein dritter Draht g, welcher mit einer Klemmschraube G verbunden ist, tritt im unteren Teil des Rohres in dieses ein.Two platinum wires // 'enter the tube AA' , the tips of which are at the same height inside the tube and which open into two clamping screws FF '; a third wire g, which is connected to a clamping screw G, enters into the lower part of the tube.

In dem unteren Teil des Rohres A A' befindet sich eine Quecksilbermenge, welche so groß ist, daß bei gleicher Höhe in beiden Schenkeln A Ä ihr Spiegel sich etwas unterhalb der Spitzen ff befindet. Das Quecksilber, welches durch den Draht g mit einem elektrischen Stromkreis in Verbindung steht, bildet mit den Spitzen//' einen Kreuzungsschalter für zwei Richtungen, \velcher mittels irgend eines geeigneten Mechanismus die Arbeitsweise des Heizapparates regelt, indem er beispielsweise das öffnen und Schließen eines Dampfhahnes veranlaßt und allgemein das Anlassen und Ausschalten des Heizapparates bewirkt.In the lower part of the tube AA ' there is an amount of mercury which is so large that, at the same height in both legs A Ä, its level is slightly below the tips ff . The mercury, which is connected to an electrical circuit by wire g , forms with the tips a crossover switch for two directions, \ velcher regulates the operation of the heating apparatus by means of some suitable mechanism, for example by opening and closing one Steam cock causes and generally causes the starting and switching off of the heating apparatus.

Der Apparat ist mit einem gewöhnlichen Thermometer H versehen. Die Graduierung des Apparates erfolgt in folgender Weise: Bei einer Temperatur von o° führt man den Kolben C in den Behälter B bis zum Deckel ein und verkleinert auf diese Weise den Raum, welcher von dem Behälter und dem Schenkel A' des Rohres A A' gebildet wird, bis zum Minimum; man öffnet dann'-The apparatus is provided with an ordinary H thermometer. The graduation of the apparatus takes place in the following way: At a temperature of 0 °, the flask C is introduced into the container B up to the lid and in this way the space formed by the container and the leg A 'of the tube AA' is reduced will, to the minimum; you then open'-

Claims

the tap b 'for a moment to bring the air contained in the said space to atmospheric pressure; then you close the tap b 'again. Then write the designation o ° opposite the pointer c. The temperature of the room in which the apparatus is located is then brought to any desired height, e.g. B. to - (- 150; the air in the container B expands as a result and forces the mercury into the leg A of the tube A A '. In order to bring the two surfaces of the mercury back into the same horizontal plane, you have to use the piston Withdraw C by a certain amount from the container B. Then write the designation + 15 ° opposite the pointer C. The same procedure is used to determine all other degrees of temperature. This graduation is such that when the pointer c the number is opposite, which corresponds to the temperature of the surrounding atmosphere and accordingly the temperature of the air in container B, the mercury is in both legs of the tube AA 'at the same level and accordingly neither with the wire / nor with the wire / "' The apparatus is set up in the room the temperature of which is to be regulated, and the switch formed by the wires and the mercury becomes an electrical circuit s switched, which acts by suitable means on the device by which the temperature can be changed; this device can consist of a steam faucet, a water faucet, a 'heating valve' and so on. The handling of the new apparatus is as follows: Assume that the temperature of the room in question is -) - 120 and one intends to bring it to - | - 170. Then adjust the screw D and accordingly the piston C so that the pointer c comes to face the number 12, which represents the current temperature of the room. As a result, the piston is displaced by a corresponding amount. The tap b 'is then opened for a moment to bring the air contained in the room B to atmospheric pressure, and after the tap b' has been closed again, the pointer is brought in front of the number 17, which is the desired temperature . As a result of the displacement of the piston, the volume of the amount of air enclosed in the container B and the leg A 'has increased. The mercury rises up the leg A 'and comes into contact with the wire /'. The electrical circuit is consequently closed and the valve, the faucet, etc. of the heating apparatus is moved in such a way that the temperature in the room is increased. The temperature will soon be at the desired + 17 °; At this moment, however, the air in container B has expanded and pushed back the mercury, so that its two surfaces are in one and the same horizontal plane. As a result, the circuit is interrupted again. As the heater remains in operation, the temperature will continue to increase; But since the air in container B then expands further, the mercury in leg A 'is pushed towards leg A and brought into contact with the wire / ", as a result of which the circuit is closed again and the heater is deactivated. As soon as the temperature falls below + 17 °, the heating apparatus starts up again, etc. and after a few decreasing oscillations, the temperature of the room will remain at - | - 17 ° Generate recorded temperature in the room to be heated. Pate ν τ-Α ν Proverbs:

1. Temperature controller, in which as a result of the expansion or contraction of a locked air volume on the one hand under atmospheric pressure mercury column is moved in a U-tube and thereby opens or closes two electrical circuits influencing the heating device, characterized in that in a relatively large Air container (B) a piston (C) is arranged, which can be moved along a temperature scale (E) and by means of which the air content of the container (B) can be changed accordingly, for the purpose of being able to set the controller to certain temperatures.

2. An embodiment of the regulator according to claim 1, in which a cock (b ¹ ) is arranged in the air tank (B) , by opening and closing it, atmospheric pressure can be produced in the space (B).

1 sheet of drawings