Structure for improving initial heat exchange efficiency of water heating heat exchanger

By designing obstruction components and wave flange structures in the water channel, the problem of single-sided heating of the medium after passing through the "cold water" area is solved, thus achieving efficient heating and energy-saving effects of the water-heating heat exchanger.

CN223814799UActive Publication Date: 2026-01-20CHONGQING BUILDING VEHICLE USE AIR CONDITIONER
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Patent Information

Application Number
CN202520071717.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-01-20
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The existing water channel structure causes the medium to be heated on one side only after passing through the "cold water" zone, resulting in heat loss and reducing the heating efficiency and quality of the water heating heat exchanger.

Method used

In the "cold water" area of ​​the waterway, a turbulence effect is created by designing a barrier component to change the medium from a laminar flow state to a turbulent flow state, thereby increasing the heat exchange between heat molecules. The contact area between the medium is increased by the wave flange and the heat dissipation teeth are used to disperse the heat.

Benefits of technology

It increases the initial temperature of the medium, enhances heat transfer capacity, reduces power consumption, saves energy and reduces costs, reduces the number of heating elements used, and extends equipment life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of WPTC heat exchange efficiency increase, in particular to a structure for improving initial heat exchange efficiency of a water heating heat exchanger, which comprises an upper cover, a lower cover, a heating body, a base and two groups of blocking components, the two groups of blocking components are designed in a'cold water 'area of the upper cover and the base, and a turbulent flow effect, namely Karman vortex street, is formed after a medium flows through the blocking components. A laminar flow state is mainly changed into a turbulent flow state, the mutual mixing layer degree among fluid molecules in the turbulent flow state is greatly improved, interactive heat exchange among hot molecules is facilitated, heat transfer is further increased, the purpose of increasing the initial temperature of a cold water area is achieved, the structure is simple, manufacturing is convenient, the heat transfer capacity is improved, the initial temperature is increased, and the service life is prolonged. Finally, the purpose of increasing the temperature of the water outlet is achieved, the using power is reduced, energy is saved, cost is reduced, the time for meeting the using temperature requirement is effectively shortened, and meanwhile the using number of heating bodies can be reduced under different working conditions.
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Description

TECHNICAL FIELD

[0001] The utility model relates to WPTC increase heat exchange efficiency technical field especially relates to a structure of improving water heating heat exchanger initial heat exchange efficiency. BACKGROUND

[0002] The current WPTC structure is usually in the form of circulating waterway when heating medium, that is, medium forms a certain temperature at the outlet after passing through a certain range of heating area, as for WPTC, if higher temperature can be obtained in the heating area by changing structure, energy saving and cost reduction can be achieved, which is of great significance to products, and the medium flows slowly in the waterway, in laminar or transitional flow, which is beneficial to heating medium.

[0003] But due to the structure of the waterway, the medium entering the waterway will first pass through the "cold water" area, which is equivalent to one-sided heating, and the medium flows to the rear area for double-sided heating, and due to the existence of the "cold water" area, a heat loss area is formed, which is not conducive to improving the final outlet temperature and reduces the heating efficiency and quality of the WPTC structure. SUMMARY

[0004] The utility model discloses a structure of improving water heating heat exchanger initial heat exchange efficiency, which solves the problem of the structure of the waterway, the medium entering the waterway will first pass through the "cold water" area, which is equivalent to one-sided heating, and the medium flows to the rear area for double-sided heating, and due to the existence of the "cold water" area, a heat loss area is formed, which is not conducive to improving the final outlet temperature and reduces the heating efficiency and quality of the WPTC structure.

[0005] To achieve the above object, the utility model provides a structure of improving water heating heat exchanger initial heat exchange efficiency, including upper cover, lower cover, heating body, base and two groups of blocking component, the lower cover with the upper cover detachable connection is located the lower of the upper cover, the base with the lower cover fixed connection is located the inner bottom wall of the lower cover, the heating body with the upper cover intercommunication is located the lower of the upper cover, and the heating body with the base contact, two groups the blocking component all set up between the upper cover with the base.

[0006] Among them, the blocking component includes first cylinder and second cylinder, the first cylinder with the base fixed connection is located the upper of the base, the second cylinder with the upper cover fixed connection is located the inner top wall of the upper cover, and the second cylinder with the first cylinder resistance.

[0007] Among them, the base has the drainage groove.

[0008] The upper cover and the lower cover are both provided with wave flanges.

[0009] The lower cover is provided with a plurality of heat dissipation teeth.

[0010] The structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model, two groups of the disturbance components are designed in the "cold water" area of the upper cover and the base, the disturbance effect, that is, the karman vortex street, is formed after the medium flows through the disturbance components, the laminar state is mainly changed into the turbulent state, the mixing degree between the fluid molecules in the turbulent state is greatly improved, the heat exchange between the heat molecules is beneficial, and the heat transfer is further increased, the purpose of increasing the initial temperature of the "cold water" area is achieved, such structure is not only simple, but also convenient to manufacture, the heat transfer capacity is increased, the initial temperature is increased, the purpose of increasing the outlet temperature is finally achieved, the use power is reduced, the energy is saved, the cost is reduced, the time of reaching the use temperature requirement is effectively improved, and the use quantity of the heating bodies can be reduced under different working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0012] Figure 1 is the overall structure schematic view of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model.

[0013] Figure 2 is the front view of the overall structure of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model.

[0014] Figure 3 is the A-A line sectional view of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model. Figure 2

[0015] Figure 4 is the B-B line sectional view of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model. Figure 3

[0016] 101-upper cover, 102-lower cover, 103-heating body, 104-base, 105-disturbance component, 106-first cylinder, 107-second cylinder, 108-drainage groove, 109-wave flange, 110-heat dissipation tooth. DETAILED DESCRIPTION

[0017] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structure schematic view of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model, Figure 2 is the front view of the overall structure of the structure for improving initial heat exchange efficiency of the water heating heat exchanger of the utility model, Figure 3 ​​The utility model discloses a kind of improve water heating heat exchanger initial heat exchange efficiency's structure, including upper cover 101, lower cover 102, heating body 103, base 104 and two groups of blocking disturbance components 105, the blocking disturbance components 105 include first cylinder 106 and second cylinder 107, the base 104 has drainage groove 108, the upper cover 101 and the lower cover 102 are all with wave flange 109, the lower cover 102 has a plurality of radiating teeth 110. Figure 2 Figure 4 The utility model discloses a kind of improve water heating heat exchanger initial heat exchange efficiency's structure, including upper cover 101, lower cover 102, heating body 103, base 104 and two groups of blocking disturbance components 105, the blocking disturbance components 105 include first cylinder 106 and second cylinder 107, the base 104 has drainage groove 108, the upper cover 101 and the lower cover 102 are all with wave flange 109, the lower cover 102 has a plurality of radiating teeth 110. Figure 3

[0018] The utility model provides a kind of improve water heating heat exchanger initial heat exchange efficiency's structure, including upper cover 101, lower cover 102, heating body 103, base 104 and two groups of blocking disturbance components 105, the blocking disturbance components 105 include first cylinder 106 and second cylinder 107, the base 104 has drainage groove 108, the upper cover 101 and the lower cover 102 are all with wave flange 109, the lower cover 102 has a plurality of radiating teeth 110.

[0019] For this specific embodiment, the lower cover 102 is detachably connected to the upper cover 101 and located below the upper cover 101, the base 104 is fixedly connected to the lower cover 102 and located on the inner bottom wall of the lower cover 102, the heating body 103 is in communication with the upper cover 101 and located below the upper cover 101, and the heating body 103 is in contact with the base 104, the two sets of blocking disturbance components 105 are arranged between the upper cover 101 and the base 104, and the two sets of blocking disturbance components 105 are designed in the "cold water" area of the upper cover 101 and the base 104. After the medium flows through the blocking disturbance components 105, a disturbance effect, i.e., a Karman vortex street, is formed, mainly changing the laminar state to a turbulent state, and the degree of mixing between fluid molecules in the turbulent state is greatly improved, which is beneficial to the mutual heat exchange between thermal molecules, thereby increasing heat transfer, achieving the purpose of increasing the initial temperature of the "cold water" area. This structure is not only simple but also easy to manufacture, increases the heat transfer capacity, increases the initial temperature, ultimately achieves the purpose of increasing the outlet water temperature, reduces the use power, saves energy and reduces cost, effectively improves the time to reach the use temperature requirement, and also reduces the number of heating bodies 103 under different working conditions.

[0020] The first cylinder 106 is fixedly connected to the base 104 and located above the base 104, the second cylinder 107 is fixedly connected to the upper cover 101 and located on the inner top wall of the upper cover 101, and the second cylinder 107 abuts against the first cylinder 106, the first cylinder 106 and the second cylinder 107 form a cylindrical disturbance effect, i.e., a Karman vortex street, mainly changing the laminar state to a turbulent state, and the degree of mixing between fluid molecules in the turbulent state is greatly improved, which is beneficial to the mutual heat exchange between thermal molecules, thereby increasing heat transfer, achieving the purpose of increasing the initial temperature of the "cold water" area.

[0021] Secondly, the base 104 has a drainage groove 108, which guides the flow of the medium, effectively improving the flowability of the medium.​​

[0022] Meanwhile, the upper cover 101 and the lower cover 102 are both provided with wave flanges 109, which are designed on the wall surfaces of the upper cover 101 and the lower cover 102 at the same positions, respectively, so as to increase the contact area with the medium and form small vortexes at the bottom of the wave flanges 109, thereby increasing the heat accumulation, and the small vortexes at the bottom of the wave flanges 109 continuously exchange heat with the incoming flow (the forward flowing medium), so as to improve the local heat exchange.

[0023] In addition, the lower cover 102 is provided with a plurality of heat dissipation teeth 110, which can increase the contact area of the lower cover 102 with air, disperse the excess heat, and prolong the service life of the lower cover 102.

[0024] In the structure for improving the initial heat exchange efficiency of the water heating heat exchanger, the first cylinder 106 and the second cylinder 107 are designed in the "cold water" area of the upper cover 101 and the base 104, so that the medium forms a turbulent flow effect, i.e. a Karman vortex street, after flowing through the first cylinder 106 and the second cylinder 107, the flow state is mainly changed from laminar flow to turbulent flow, the mixing degree between the fluid molecules in the turbulent flow state is greatly improved, which is beneficial to the mutual heat exchange between the thermal molecules, thereby increasing the heat transfer, achieving the purpose of increasing the initial temperature of the "cold water" area, the flow guide groove 108 guides the flow of the medium, effectively improving the flowability of the medium, the wave flanges 109 are designed on the wall surfaces of the upper cover 101 and the lower cover 102 at the same positions, respectively, so as to increase the contact area with the medium and form small vortexes at the bottom of the wave flanges 109, thereby increasing the heat accumulation, the small vortexes at the bottom of the wave flanges 109 continuously exchange heat with the incoming flow (the forward flowing medium), so as to improve the local heat exchange, the plurality of heat dissipation teeth 110 can increase the contact area of the lower cover 102 with air, disperse the excess heat, and prolong the service life of the lower cover 102, such a structure is not only simple, but also convenient to manufacture, increases the heat transfer capacity, increases the initial temperature, and finally achieves the purpose of increasing the outlet water temperature, reduces the use power, saves energy and reduces cost, effectively improves the time to reach the use temperature requirement, and also can reduce the number of heat generating bodies 103 under different working conditions.

[0025] The above only discloses a preferred embodiment of the present application, which cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned processes can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A structure for improving initial heat exchange efficiency of a water heating exchanger, characterized in that it comprises an upper cover, a lower cover, a heating body, a base and two groups of blocking components, the lower cover is detachably connected with the upper cover and located below the upper cover, the base is fixedly connected with the lower cover and located at the inner bottom wall of the lower cover, the heating body is in communication with the upper cover and located below the upper cover, and the heating body is in contact with the base, and the two groups of blocking components are arranged between the upper cover and the base.

2. The structure for improving initial heat exchange efficiency of a water heating exchanger according to claim 1, characterized in that the blocking component comprises a first cylinder and a second cylinder, the first cylinder is fixedly connected with the base and located above the base, the second cylinder is fixedly connected with the upper cover and located at the inner top wall of the upper cover, and the second cylinder is in abutment with the first cylinder.

3. The structure for improving initial heat exchange efficiency of a water heating exchanger according to claim 2, characterized in that the base has a flow guide groove.

4. The structure for improving initial heat exchange efficiency of a water heating exchanger according to claim 3, characterized in that the upper cover and the lower cover each have a wave-shaped flange.

5. The structure for improving initial heat exchange efficiency of a water heating exchanger according to claim 4, characterized in that the lower cover has a plurality of heat dissipation teeth. ​ ​ ​ ​ ​