JPS61256190A - Heat exchanging element of regenerative type for air conditioner - Google Patents

Abstract

PURPOSE:To prevent an accident, to increase the accumulating efficiency of heat, and to decrease energy loss in the title heat exchanging element, by piercing a heating medium pipe through a cylindrical casing, by movably providing a sliding cup in the casing, by providing fins to the outer surface of a heating medium pipe in the casing and to the inside wall of a casing, by providing fins to the outer surface of a casing as well, and by charging the casing with a heat accumulating material. CONSTITUTION:A heating medium pipe 1 is longitudinally pierced through a cylindrical casing 2, and a heat accumulating material 3 is changed into the casing 2. A plurality of fins 4 are provided to the outer surface of a casing 2, and movable sliding cups 5 and coil springs 6 and 7 to energize the sliding cups from the back to the inside are provided at one end, and the inside of a casing. A plurality of disk fins 10 are provided to the outer surface of a heating medium pipe in the casing, and a plurality of fins with flange 11 are provided to the inside wall of a casing. Heat transferring operation from the heating medium pipe to the heat accumulating material and that from the heat accumulating material to the casing are taken place highly efficiently by the intermediary of a plurality of fins, respectively. When the heat accumulating material is expanded or contracted, the sliding cup is moved in accompany with the state of heat accumulating material to allow the change in volume of the heat accumulating material.

Description

DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to an M heat type heat exchange element for air conditioning.

``Problems to be solved by conventional technology and inventions'' A direct expansion type air conditioning system consisting of a refrigerant cooling/heating cycle compresses the refrigerant into a direct expansion unit that exchanges heat with the indoor air and moves it in the forward and reverse directions. By supplying the refrigerant, the direct expansion unit expands or condenses the refrigerant, and uses the heat absorption or heat radiation effect at this time to cool or heat the room. However, since the amount of power consumed during peak load is large, improvements are desired.

Therefore, in order to meet this demand, we developed the M-type heat exchange element shown in FIGS. 7 and 8. This M-type heat exchange element has a heat medium pipe 1 through which a refrigerant, that is, a heat transfer medium, passes through a cylindrical casing 2, a heat storage material 3 is sealed in the casing, and a large number of fins 4 are arranged around the outer periphery of the casing. ... has been added. Therefore, a plurality of M typical heat exchange elements are arranged in parallel and equipped to exchange heat with indoor air by switching with the direct expansion unit, and together with the direct expansion unit, heat transfer medium is heated. It distributes to the medium pipe 1,
During non-peak loads, the direct expansion unit exchanges heat with the indoor air, and at the same time, the heat storage type heat exchange element heats the heat storage material 3, and during peak loads, the N-type heat exchange element exchanges heat with the indoor air. By doing this, the accumulated heat is released.

By doing so, power consumption during peak load can be reduced. However, in practical use, accidents such as the heat transfer pipe 1 bursting due to accidents such as freezing have also occurred.

The present invention aims to further improve such a heat storage type heat exchange element for air conditioning to avoid accidents, and also to further improve M thermal efficiency and reduce energy loss.

"Means for Solving the Problems" The present invention has a cylindrical casing that is longitudinally penetrated by a heat medium pipe through which pi+transport medium is passed, a sliding pump is movably installed at one end of the casing, and a cough slide is provided. The dynamic cup is urged inward from behind, and an appropriate number of fins are attached to the outer periphery of the heat transfer pipe and the inner periphery of the casing within the casing, and an appropriate number of fins are also attached to the outer periphery of the casing. Attached to the casing is N? , filled with material.

"Function" It has the above configuration and is used in the same manner as the N-type heat exchange element for air conditioning shown in the conventional example, but in the case of the present invention, heat transfer from the heat medium pipe to the heat storage material and from the N heat material Heat transfer to the casing takes place with high efficiency via a plurality of fins, respectively. Furthermore, when the heat storage material expands or contracts, the sliding cup moves in response to this, allowing the volume to change.

"Example 1" 1 to 4 show an example of implementation.

In the figure, l is a heat medium pipe, 2 is a cylindrical casing through which the heat medium pipe runs vertically, and 3 is an N heat material filled into the casing under pressure.The cough heat storage material has a melting point. 30 = 50
A latent heat storage material such as CaCl2.6H20, Na5O+, 10H20 at ℃ is used.

4... is a plurality of fins attached to the outer periphery of the casing, 5 is a sliding cup movably installed inside one end of the casing, and 6.7 is a sliding cup that is attached inward from the back. The coil spring 8, which is applied to the casing, is fixed by soldering (or screwing) to the end plate of the casing.
have.

1O... is a plurality of disc-shaped fins attached to the outer periphery of the heat medium pipe within the casing, 11... is a plurality of brim-shaped fins attached to the inner periphery of the casing, and these fins are are alternately combined and integrally connected with several bolts and nuts 13 through spacers 12.

By the way, to attach the fins 4 to the outer periphery of the casing 2, first fit the fins 4 to the casing 2 at equal intervals, expand the casing using water pressure or a tube expander, and then tightly integrate the fins 4 into the casing 2. to become

In addition, when attaching the fins 10..., 11... to the outer periphery of the heat medium pipe 1 and the inner periphery of the casing 2, first
Alternately insert both fins 10..., 11... into the heat medium pipe 1, connect these fins together with several bolts/nuts 13... The fins 10 are expanded by using water pressure or a tube expander.
* and the heat medium pipe are tightly integrated. Next, this is press-fitted into the casing 2, and the fins 11 are tightly fitted into the inner periphery of the casing 2.

Thereafter, a sliding cup 5 and a spring 6.7 are installed inside the inner tongue 2, the end is closed with an end plate 8, and in the final stage, heat storage material 43 is filled under pressure. It is recommended to provide an appropriate filling port and exhaust port for this purpose.

"Example 2" 5 and 6 show other embodiments.

In this case, in the previous example, the fins on the outer periphery of the heat medium pipe 1 and the fins on the inner periphery of the casing 2 are used as spiral fins 14 and 15.

"Effects of the Invention" According to the present invention, since the casing has a sliding cup, the volume change caused by expansion and contraction of the heat storage material can be absorbed by the movement of the cough sliding cup. It also prevents the casing from bursting, thereby preventing accidents and damage.

In addition, since fins are provided on the outer periphery of the heat medium pipe and the inner periphery of the casing, heat transfer from the heat medium pipe to the heat storage material and from the N heat material to the casing can be performed with high efficiency, thus improving heat storage efficiency. A compact device with good energy consumption and little energy loss can be obtained, and furthermore, it can be used in equipment that uses late-night electricity, which is extremely beneficial.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example of the implementation of the present invention, and FIG.
The figure is a sectional view taken along the line ■-■ in Figure 1, and Figure 3 is a cross-sectional view taken along the line
The cross-sectional view of the line, Figure 4, is an enlarged cross-sectional view of the main part of Figure 1, Figure 5.
The figure is a side view of another embodiment, and FIG. 6 is a side view of another embodiment.
■A cross-sectional view of the line, Figure 7 is a side view of a part showing the prior art,
FIG. 8 is a sectional view taken along line 1 in FIG. 7). 1... Heat medium pipe 2... Casing 3... Heat storage material 4... Fin 5... Sliding cup 6
...Coil spring 7...Coil spring 8...End plate 9...Vent hole 10...Fin 11...Fin 12...Spacer 13
...Bolt/Nut 14...Spiral Fin 15...Spiral Fin Fig. 4 Fig. 4 Fin Fig. 5 Fig. 6 Fig. 7 Fig. 8

Claims (1)

[Claims] A heat medium pipe through which a heat transfer medium passes is passed through a cylindrical casing, a sliding cup is movably installed at one end of the casing, and the sliding cup is urged inward from behind,
In addition, an appropriate number of fins are attached to the outer periphery of the heat medium pipe and the inner periphery of the casing within the casing, and an appropriate number of fins are also attached to the outer periphery of the casing, so that heat is stored inside the casing. A heat storage type heat exchange element for air conditioning, which is characterized by being pressurized and filled with a material.