JPH0534462U - Heat exchanger - Google Patents

Abstract

(57) [Abstract] [Purpose] The inclusion of a heat transfer tube enhances the dynamic characteristics and heat exchange function by increasing the heat transfer area on the fluid side inside the heat transfer tube and rectifying the flow. The exchange efficiency and responsiveness are further improved, and the product can be made relatively small and lightweight. [Structure] A single corrugated plate made of a metal material is provided inside a partition wall of an exchange chamber, which is partitioned inside a hermetically sealed frame body in which an inflow port and an outflow port connected to a flow path of a heat source are projected. Alternatively, a plurality of heat transfer tubes, in which a wrapped body made of a polymer of a corrugated plate and a flat plate is housed and having a gap therebetween, are arranged and fixed in communication with the inlet and the outlet. Further, a supply port and a discharge port, which are separately connected to the flow path, are provided on the side of the exchange chamber so as to protrude through the gap.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement in the structure of a heat exchanger used in an automobile or various machines, equipment, devices and the like.

[0002]

[Prior Art]

 Conventionally, as a heat exchanger of this type, for example, a plurality of heat transfer tubes are arrayed and fixed inside an exchange chamber separated by a partition wall, and an inflow port and an outflow port at both ends of the heat exchange pipe are fixed inside the frame. It was configured to have a supply port and a discharge port separately connected to the flow passage on the side of the exchange chamber, while being communicated with and internally.

[0003]

[Problems to be solved by the device]

 However, in such a conventional technique, the structure in which the heat transfer tubes made up of a plurality of bare tubes are simply arranged in a bundle form generally causes a long rise time in the heat exchange function and causes a lack of dynamic characteristics, resulting in an increase in exchange efficiency. There was a problem that could not be achieved.

The present invention has been made in view of the above problems of the prior art, and improves the dynamic characteristics in the exchange chamber by increasing the heat transfer area on the fluid side inside the heat transfer tube and rectifying the flow. It is an object of the present invention to propose a heat exchanger capable of improving the heat exchange function to further improve the exchange efficiency and further reducing the size and weight of the product.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention has an exchange chamber defined by partition walls on both sides inside a hermetically sealed frame body in which an inflow port and an outflow port connected to the flow passage of a heat source are provided at both ends. A corrugated sheet made of a metal material, or a wrapping body formed by winding at least a single layer of a polymer of a corrugated sheet and a flat plate is formed inside the partition wall of the exchange chamber. A plurality of heat transfer tubes, which are internally provided at least in part and hold a gap between each other, are arranged and fixed in communication with the inflow port and the outflow port. The gist of the present invention is a heat exchanger in which a supply port and a discharge port connected to a passage are provided so as to project through the gap.

[0006]

[Action]

 Since the present invention is configured in this way, the wrapping body increases the heat transfer area on the internal fluid side inside the heat transfer tube and rectifies the flow to improve dynamic characteristics (startup characteristics) and heat exchange function. It is possible to further improve the exchange efficiency and the responsiveness, and at the same time, with the improvement of the function, the product can be made into a relatively small and lightweight body. The heat is exchanged with the cooling water that is connected to the flow path that contains part of the other engine cooling water due to exhaust heat, and the warmed cooling water is used for indoor heating or engine combustion intake air. It will be effectively used for heating.

[0007]

【Example】

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a partial vertical sectional view of a heat exchanger of the present invention, FIG. 2a is an enlarged transverse sectional view of the heat transfer tube alone of FIG. 1, and FIG. 2A is a cross-sectional view of another embodiment of FIG. 2A, and FIG. 3 is a view corresponding to FIG. 1 according to another embodiment, in which (1) is a plurality of heat transfer tubes, and the partition walls (9) (9) on both sides. ₁ ) are arranged and fixed to each other while maintaining a gap (5) between the branch walls of the exchange chamber (6) separated by ₁ ), and a heat source by exhaust gas of an automobile, for example, is provided at both ends. (4) A closed frame (4) that has an inlet (2) and an outlet (3) protruding from the shaft core (Fig. 1) or both ends (Fig. 3) connected to the flow passage (not shown). ). Then, these heat transfer tubes (1) are wound at least partly inside or over the entire length of the heat transfer tubes (1) by a single metal corrugated plate (Fig. 2a) or a polymer of corrugated plate and flat plate (Fig. 2b). It has a wrapping body (10) inside. (7) and (8) are a supply port and a discharge port, which are located on the side of the exchange chamber (6) and project outwardly, and have, for example, a flow path (not shown) having a part of engine cooling water. ) Through the gap (5).

In the figure, solid arrows indicate the direction of the heat source flow due to exhaust gas, and double-dot chain lines indicate the direction of the cooling water flow.

[0009]

[Effect of the device]

 As described above, the heat exchanger according to the present invention has a heat transfer area inside the heat transfer tube (1), which is determined by the structure of the enclosure (10) mounted inside each heat transfer tube (1). And the flow rectification effect can improve the dynamic characteristics and heat exchange function to further improve the exchange efficiency and responsiveness, and at the same time, the function can be improved to make the product relatively small and lightweight. It is extremely useful because it can be effectively used for heating the inside of the vehicle or for heating the engine combustion intake air, etc. by installing it by interposing it in the passage of the heat source by the exhaust gas of the engine. Heat exchanger.

[Brief description of drawings]

FIG. 1 is a partial vertical cross-sectional view of a heat exchanger of the present invention.

2a is a cross-sectional view of the heat transfer tube alone of FIG. 1 in an enlarged manner. FIG.

2b is a cross-sectional view of another embodiment of FIG. 2a.

FIG. 3 is a view corresponding to FIG. 1 according to another embodiment.

[Explanation of symbols]

1 Heat Transfer Tube 2 Inlet 3 Outlet ₄ Frame 5 Gap 6 Exchange Chamber 7 Supply Port 8 Discharge Port 9, 9 ₁ Branch Wall 10 Encloser

Claims (1)

[Scope of utility model registration request] 1. A split wall (9) on both sides inside a hermetically sealed frame (4) projecting an inflow port (2) and an outflow port (3) connected to both sides of a heat source flow passage. _{(9: 1)} exchange chamber and Kukaku by
(6) is formed, and over during the exchange chamber of支切wall (9) (9 _1), a single corrugated plate of the metal material inside, or at least singlet in accordance with polymers of the corrugated plate and the flat plate Wrapped wrapper
At least a part of the (10) is installed so that there is a gap between them.
A plurality of heat transfer tubes (1) holding (5) are connected to the inflow port (2) and the outflow port (3) so as to be arranged and fixed, and further, the exchange chamber
Supply port located on the (6) side and separately connected to the external flow path
A heat exchanger characterized in that (7) and an outlet (8) are provided so as to project through the gap (5).