Heating core body capable of uniformly exchanging heat

Abstract

The utility model provides a heating core body capable of uniformly exchanging heat, which solves the technical problems that cooling liquid in an existing PTC (Positive Temperature Coefficient) heating core body can be simultaneously heated by wall surfaces of heating wrapping grooves on two sides when flowing through a water chamber, is easy to boil due to over-high local temperature and causes non-uniform heat exchange, and can be widely applied to the field of PTC heating. The device specifically comprises a middle shell and a water tank, and a plurality of heating bag grooves are formed in the middle shell side by side; a water chamber is formed in the water tank, a water inlet pipe and a water outlet pipe which are communicated with the water chamber are arranged on the side wall of the water tank, the water chamber of the water tank is provided with a plurality of baffles, the baffles are arranged in gaps formed after the heating bag groove is inserted into the water chamber, one end of each baffle is closed, the other end of each baffle is open, and cooling liquid can only pass through the open ends of the baffles; the end, away from the closed end of the baffle, of the heating ladle groove is tightly attached to the middle shell frame, the end, close to the closed end of the baffle, of the heating ladle groove is not tightly attached to the middle shell frame, and the heating ladle groove and the baffle jointly form a continuous S-shaped water channel in the water chamber for cooling liquid to pass through.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PCT heating technical field, and particularly relates to a heating core body of even heat transfer. BACKGROUND

[0002] The cavity formed after the middle shell and the water tank of the PTC heating core body are assembled is called water chamber, the cooling liquid flows in the water chamber in a direction, the heat of the heating groove wall surface of the middle shell is transferred to the cooling liquid, and the function of heating the cooling liquid is realized.

[0003] However, the cooling liquid in the existing PTC heating core body is heated by the groove wall surfaces of the heating bags on both sides when flowing through the water chamber, local temperature is prone to being too high to boil, and the problem of uneven heat transfer occurs. INVENTION CONTENTS

[0004] The utility model discloses a heating core body of even heat transfer to solve the technical deficiency of the above.

[0005] Therefore, the utility model provides a heating core body of even heat transfer, including middle shell and water tank, a plurality of heating bag grooves are set up on the middle shell, and the heating bag groove is concave, and extends to the bottom of the middle shell, the water chamber is set up in the water tank, the lateral wall of the water tank is provided with the water inlet pipe and the water outlet pipe that communicate with the water chamber, the water chamber of the water tank is provided with a plurality of baffle plates, the position of the plurality of baffle plates is set in the gap after the heating bag groove is inserted into the water chamber, one end of the baffle plate is closed, the other end is open, so that the cooling liquid can only pass through the open end of the baffle plate, and the end of the heating bag groove away from the closed end of the baffle plate is closely arranged with the middle shell frame, and the end of the heating bag groove close to the closed end of the baffle plate is not closely arranged with the middle shell frame, and the baffle plate forms a continuous S-shaped water channel in the water chamber with the baffle plate for the cooling liquid to pass through.

[0006] Further, the baffle plate is arranged on the water tank and fixedly connected with the inner lateral wall of the water tank.

[0007] Further, a sealing ring is further arranged between the middle shell and the water tank.

[0008] Further, a sealing groove is formed in the lower frame of the middle shell and the upper frame of the water tank, and the sealing ring is arranged in the sealing groove.

[0009] Further, a plurality of first positioning holes are arranged on the frame of the middle shell, and a plurality of second positioning holes corresponding to the first positioning holes are arranged on the frame of the water tank.

[0010] Further, the first positioning hole is a blind hole with a closed top end, the second positioning hole is a through hole, and the first positioning hole and the second positioning hole are both provided with internal threads.

[0011] The utility model provides a heating core body of even heat transfer, which has the following beneficial effects:

[0012] By additionally adding the baffle and cooperating with the heating bag groove, the flowing direction of the cooling liquid in the water chamber is changed, a continuous S-shaped reciprocating motion is formed, the generation of vortex is reduced, the generation of bubbles in the water chamber is reduced, the local temperature caused by the vortex bubbles is avoided, heat exchange is more uniform, the movable volume of the cooling liquid in the water chamber is reduced, the flow rate of the cooling liquid is increased, and the heat exchange efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the structural diagram of the utility model;

[0014] Figure 2 is the explosion view of the utility model;

[0015] Figure 3 is the top view of the shell in the utility model;

[0016] Figure 4 is the structural diagram of the water tank in the utility model;

[0017] Marked in the figure: 1, the shell; 2, heating bag groove; 3, water tank; 4, sealing groove; 5, baffle; 6, sealing ring; 7, first positioning hole; 8, second positioning hole; 9, water inlet pipe; 10, water outlet pipe. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings and specific embodiments, to help understanding the contents of the utility model.The method used in the utility model is conventional method unless otherwise specified;the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0019] As Figure 1 , 2 shown, the utility model provides a kind of even heat exchange's heating core body, including shell 1 and water tank 3, shell 1 is set up with a plurality of heating bag groove 2 in parallel on it, heating bag groove 2 is concave, and extend towards the bottom of shell 1.Open water chamber with no top plate is opened in water tank 3, and the side wall of water tank 3 is provided with water inlet pipe 9 and water outlet pipe 10 communicated with water chamber.In one embodiment, water inlet pipe 9 and water outlet pipe 10 are arranged on the two adjacent side walls of water tank 3, and are distributed at 90 degrees;In another embodiment, water inlet pipe 9 and water outlet pipe 10 are arranged on the two opposite side walls of water tank 3, and are distributed at 180 degrees.Preferrably, water inlet pipe 9 and water outlet pipe 10 are arranged on the same side wall of water tank 3, and are located at both ends of the side wall, increase the moving path of cooling liquid in water chamber, make heat exchange effect more sufficient.

[0020] As Figure 2As shown in the drawings, the frame of the middle shell 1 is provided with a plurality of first positioning holes 7, the frame of the water tank 3 is provided with a plurality of second positioning holes 8 corresponding to the first positioning holes 7, and the bottom surface of the first positioning hole 7 coincides with the top surface of the second positioning hole 8 after installation. The first positioning hole 7 is a blind hole with a closed top end, the second positioning hole 8 is a through hole, and the first positioning hole 7 and the second positioning hole 8 are both provided with internal threads. In use, the heating bag groove 2 of the middle shell 1 is inserted into the water chamber of the water tank 3, and then a bolt is screwed from below the second positioning hole 8 into the first positioning hole 7 to fix the middle shell 1 and the water tank 3.

[0021] As shown in the drawings, Figure 4 The water chamber of the water tank 3 is provided with a plurality of baffles 5, the positions of the plurality of baffles 5 are arranged in the gap of the heating bag groove 2 after being inserted into the water chamber, one end of the baffle 5 is closed, and the other end is open, so that the cooling liquid can only pass through the open end of the baffle 5. In an embodiment, the baffle 5 is arranged on the water tank 3 and is fixedly connected with the inner side wall of the water tank 3; in another embodiment, the baffle 5 is arranged on the middle shell 1 and is fixedly connected with the bottom surface of the middle shell 1. As shown in the drawings, Figure 3 The height of the heating bag groove 2 is the same as the depth of the water chamber, and the end of the heating bag groove 2 away from the closed end of the baffle 5 is arranged close to the frame of the middle shell 1, and the end of the heating bag groove 2 close to the closed end of the baffle 5 is not arranged close to the frame of the middle shell 1.

[0022] By adding the baffle 5 cooperating with the heating bag groove 2, the flow direction of the cooling liquid in the water chamber is changed, forming a continuous S-shaped reciprocating motion, which can reduce the generation of vortex, thereby reducing the generation of bubbles in the water chamber, avoiding the local temperature being too high caused by vortex bubbles, and making the heat exchange more uniform; the movable volume of the cooling liquid in the water chamber is reduced, the flow rate of the cooling liquid is increased, and the heat exchange efficiency is improved.

[0023] As shown in the drawings, Figure 2 The middle shell 1 and the water tank 3 are further provided with a sealing ring 6, which improves the sealing performance of the connection between the middle shell 1 and the water tank 3. The lower frame of the middle shell 1 and the upper frame of the water tank 3 are both provided with a sealing groove 4, and the sealing ring 6 is arranged in the sealing groove 4.

[0024] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle" and the like indicate the orientation or positional relationship based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. A heating core with uniform heat exchange, comprising a middle shell and a water tank, a plurality of heating bag grooves are arranged side by side on the middle shell, the heating bag grooves are concave and extend towards the bottom of the middle shell; a water chamber is arranged in the water tank, and a water inlet pipe and a water outlet pipe are arranged in the side wall of the water tank and communicate with the water chamber, characterized in that, The water chamber of the water tank is provided with a plurality of baffles, the positions of the plurality of baffles are arranged in the gap after the heating bag groove is inserted into the water chamber, one end of the baffle is closed, the other end is open, so that the coolant can only pass through the open end of the baffle; the end of the heating bag groove away from the closed end of the baffle is arranged close to the middle shell frame, and the end of the heating bag groove close to the closed end of the baffle is arranged not close to the middle shell frame, and the baffle and the baffle jointly form a continuous S-shaped water channel in the water chamber for the coolant to pass through.

2. The uniformly heat-exchanged heating cartridge of claim 1, wherein, The baffle is arranged on the water tank and is fixedly connected with the inner side wall of the water tank.

3. The uniformly heat-exchanged heating cartridge of claim 1, wherein, The baffle is arranged on the middle shell and is fixedly connected with the bottom surface of the middle shell.

4. The uniformly heat exchanging heating cartridge according to any one of claims 1-3, characterized in that, A sealing ring is further arranged between the middle shell and the water tank.

5. The uniformly heat-exchanged heating cartridge of claim 4, wherein, The lower frame of the middle shell and the upper frame of the water tank are both provided with a sealing groove, and the sealing ring is arranged in the sealing groove.

6. The uniformly heat exchanging heating core according to claim 1, characterized in that, A plurality of first positioning holes are arranged on the frame of the middle shell, and a plurality of second positioning holes corresponding to the positions of the first positioning holes are arranged on the frame of the water tank.

7. The uniformly heat-exchanged heating cartridge of claim 6, wherein, The first positioning hole is a blind hole with a closed top end, the second positioning hole is a through hole, and the first positioning hole and the second positioning hole are both provided with internal threads.

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