DE2315194A1 - CONTROL VALVE FOR FOUR-LINE INDUCTION AIR CONDITIONING UNITS - Google Patents

Description

March 23, 1973 Hans Heinrich Timmer, Ing. (Grad.), 5657 Haan, Talstrasse 6

"Control valve for conductor induction class image rate"

The invention relates to control valves for influencing the temperature from rooms via four-wire induction air conditioning units, by means of two controllable valves combined in a common unit body, whose valve cones, which are arranged on a central unit, are under spring pressure, with a regulating spindle passing through the central bore of the a valve cone is guided.

Four-wire induction air conditioners have the task of providing premises to heat or to cool. For this purpose, the devices whose exchangers have separate heating and cooling lines or Exchangers for one of these purposes each have hot water or cold water supplied. The supply of hot or cold water takes place Via separate pipes, so-called four-wire, consisting of hot water flow, hot water return, cold water flow and Cold water return, d. H. via four pipes. The hot or cold water is supplied via control valves.

As a rule, two separate three-way valves are used for this purpose related to thermostatically controlled, electric or pneumatic drive. There are also combined valves, using instead of two valves one common valve as a throttle valve with four connections

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Closures or as a control valve with six connections. These valves supply the induction air conditioning units either with hot water or with cold water and also have the task of providing the respective Hot water or cold water quantities according to the respective To regulate heating or cooling output.

These valves or valve arrangements have the disadvantage of being relatively complicated structure and correspondingly expensive price; maintenance is also so complicated that practically only a replacement in the event of malfunctions can be made.

The invention has set itself the task of avoiding these disadvantages and to create an eight port joint acting valve, the functions of heating and cooling flows in this valve can be regulated by a regulating spindle, which can be regulated by hand, as a thermostatic valve without auxiliary power or as a thermostatic valve with electrical or pneumatic auxiliary power can be operated.

The invention goes in solving the problem of a device for Influencing the temperature of rooms by four-wire inductive tones Air conditioning units by means of two adjustable valves combined in one unit body, their valve cones arranged on a central unit are under spring pressure, a regulating spindle being movably guided through the central bore of the one valve cone. She identifies due to the fact that the space between the valve bodies

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pern protruding regulating spindle part reinforced in this way at at least one point is designed that a valve opening during the spindle movement in one direction and in the other direction during the spindle movement the other valve opening is released by congruent movement of the spindle and valve cone in such a way that only one valve is opened at a time and the unit body is equipped with four connections for heating and four connections for cooling.

The invention is illustrated by way of example on the basis of the figures. Show it:

Figure 1 section of the device with closed valves,

Figure 2 section of the device in heating mode,

Figure 3 section of the device in cooling mode, and

Figure 4 shows a functional representation of the heating or cooling

streams.

The section of the device shown in Figures 1 to 4 illustrates the mechanical function of the moving parts.

It means 4 hot water return connection, 5 hot water flow connection, 6 cold water flow connection, 7 cold water return connection, 8 hot water return flow from the induction device, 9 hot water supply to the induction device, 10 cold water supply to the induction device, 11 cold water return flow from induction device, 12 warm water

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water pipe system in the induction device and 13 cold water pipe system in the induction device.

The device consists of the common valve body with those mentioned eight connections, the valve cones 1 and 2, the associated valve springs 3, the regulating spindle 20 with the one between the valve cones 1> 2 arranged reinforced part 21 of the spindle.

Figure 1 shows the device of the control valve without heating and cooling operation. In this case, hot water flows from the hot water flow connection 5 via the regulating valve to the hot water return connection 4 and cold water from the cold water flow connection 6 via the regulating valve to the cold water return connection 7. Neither the Hot water pipe system 12 in the induction device hot water, nor the cold water pipe system 13 in the induction device Kaitwasser.

Figure 2 shows the control valve in heating mode. In this case, hot water flows from the hot water flow connection 5 both via the hot water inflow 9 to the hot water pipe system 12 in the induction device as well as directly via the regulating valve to the hot water return connection 4, In this case, the cold water pipe system 13 in the induction device does not receive any cold water.

Figure 3 shows the control valve in cooling mode. In this case, cold water flows from the cold water flow connection 6 both via the cold water

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Inflow 10 to the cold water pipe system 13 in the induction device as also directly via the regulating valve to the cold water return connection. The hot water pipe system 12 in the induction device does not receive any Hot water.

Of course, in addition to any intermediate position in the Heating or cooling mode, either the full hot water flow via the hot water pipe system of the induction device or the full one Cold water flow through the cold water pipe system of the induction device be directed. However, it is not possible to use the hot water pipe system at the same time 12 in the induction device with hot water and the cold water pipe system 13 in the induction device with cold water flowing through it will.

The invention allows the elimination of two control valves and combined the function of two valves in a common control valve with eight connections with common spindle adjustment. Instead of otherwise conventional valves with the associated connection lines only need a regulating valve with less effort, also for the connection lines, to be assembled. The combination makes it possible for the first time to use one common heating and cooling function Setting, manually via a manual adjustment or automatically via a servomotor.

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For the function of the facility, it is immaterial whether it is known One exchanger or two separate exchangers can be used for heating or cooling.

FIG. 4 gives a summary of the functional currents

Heating or cooling using the symbols - · - or. Lifts by suit

the spindle 20, the reinforced spindle part 21, the valve cone 1, so the valve cone 2 always remains closed; there is heating operation. If the reinforced spindle part 21 presses the valve cone 2 from its seat, the valve cone 1 remains closed on its seat; he rules cooling only.

The reinforcement of the spindle part can be from a simple, attached There are annular disc, it can also consist of a rod-like thickening, as shown.

In this figure, the adjustment of the spindle is by thermostatic Direct drive 30 shown. All other known systems of spindle adjustment are possible.

The invention makes the regulation of the Klinnas in premises easier and more rational and reduces the investment costs considerably.

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Claims (5)

March 23, 1973 Hans Heinrich Timmer, Ing. (Grad.), 5657 Haan, Talstrasse 6 "Control valve for four-line induction air conditioning rate" Pateηtansρ rüche 1. Device for influencing the temperature of rooms by Four-wire induction air conditioning units by means of two controllable valves combined in a common unit body, which open a central arranged valve cone are under spring pressure, with a regulating spindle movable through the central bore of the one valve cone is guided, characterized in that the one protruding into the space between the valve bodies The regulating spindle part (21) is reinforced at at least one point in such a way that when the spindle moves in one direction one valve opening and, when the spindle moves in the other direction, the other valve opening by congruent movement of the spindle (20) and valve cone (1 or 2) are released so that only one valve is open at a time, and the device body with four each Connections for heating mode (4, 5, 8, 9) and four connections for cooling mode (6, 7, 10, 11). 2. Device according to claim 1, characterized in that that the regulating spindle (20) can be adjusted manually. 3. Device according to claim 1, characterized in that that the regulating spindle (2O) can be adjusted via a thermostat (30) 409841/0085 HH Timmer: "Control valve ..." 23. 3. 73 - % r- is cash. 4. Device according to claim 1, characterized in that the regulating spindle (20) thermostatically directly via a Thermostat with servomotor or a thermostat with pneumatic auxiliary power is adjustable. 5. Device according to claims 1 to 4, characterized in that that the regulation process is directed to two separate exchangers (12, 13) or to a common exchanger. 409841/0085 Le e rs e ite