CN207936842U - A kind of heat exchange core body - Google Patents

A kind of heat exchange core body Download PDF

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Publication number
CN207936842U
CN207936842U CN201820210389.6U CN201820210389U CN207936842U CN 207936842 U CN207936842 U CN 207936842U CN 201820210389 U CN201820210389 U CN 201820210389U CN 207936842 U CN207936842 U CN 207936842U
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China
Prior art keywords
heat exchanger
exchanger tube
heat exchange
core body
exchange core
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CN201820210389.6U
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Inventor
秦阳
蒋培培
肖明忠
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Berg Faith (changzhou) Heat Exchanger Co Ltd
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Berg Faith (changzhou) Heat Exchanger Co Ltd
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Priority to CN201820210389.6U priority Critical patent/CN207936842U/en
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Abstract

The utility model is related to machinery fields, in particular to a kind of heat exchange core body.A kind of heat exchange core body, heat exchange core body include heat exchanger tube, spiral winding disturbance part, disturbance part is set in heat exchanger tube, makes to form turbulence chamber in heat exchanger tube;Part is disturbed to be interference fitted with heat exchanger tube.The flow direction that part changes cooling water or freezing liquid is disturbed, cooling water or freezing liquid is made to be changed to turbulence state from the laminar condition of the prior art.When cooling water or freezing liquid make turbulent flow, because its particle makees irregular movement, the variation that various amounts get muddled with space coordinate at any time in flow field keeps temperature and the temperature difference at tube wall at tube hub smaller, improves heat exchange efficiency.

Description

A kind of heat exchange core body
Technical field
The utility model is related to machinery fields, in particular to a kind of heat exchange core body.
Background technology
Existing pipe type heats is being added usually using copper pipe using locomotive engine cooling cooling water (or freezing liquid) Hot core inner recirculation flow is logical, by the wind turbine forced-convection heat transfer on heater, transfers heat to the work that air reaches heating With.
This design can allow cooling cooling water (or freezing liquid) that heat exchange occurs with extraneous, generate the effect of heating.But It is that in the prior art, cooling water (or freezing liquid) and the heat transfer efficiency of air be not high.
Therefore, in order to solve the problems, such as that above-mentioned heat transfer efficiency is not high, inventor has invented a kind of heat exchange core body.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange core body, it is intended to improve existing heat exchanger heat exchange efficiency not High problem.
The utility model provides a kind of technical solution:
A kind of heat exchange core body, heat exchange core body include heat exchanger tube, spiral winding disturbance part, disturbance part be set to heat exchanger tube It is interior, make to form turbulence chamber in heat exchanger tube;
Follower portion is disturbed to be interference fitted with heat exchanger tube.
In the other embodiment of the utility model, the outer diameter of the above-mentioned axis direction along heat exchanger tube, disturbance part one end is big In the outer diameter of the disturbance part other end.
In the other embodiment of the utility model, above-mentioned disturbance part one end is interference fitted with heat exchanger tube, and disturbance part is another The outer diameter at end is less than the internal diameter of heat exchanger tube.
In the other embodiment of the utility model, above-mentioned disturbance part is fixedly connected with heat exchanger tube.
In the other embodiment of the utility model, the above-mentioned axis direction along heat exchanger tube, the outer diameter for disturbing part gradually increases Add.
In the other embodiment of the utility model, above-mentioned disturbance part is volute spring.
In the other embodiment of the utility model, axisymmetrical of the above-mentioned disturbance part along heat exchanger tube.
In the other embodiment of the utility model, the above-mentioned axis direction along heat exchanger tube, disturb part among outer diameter it is big In the outer diameter of disturbance part opposite end.
In the other embodiment of the utility model, above-mentioned heat exchanger tube is copper pipe.
In the other embodiment of the utility model, above-mentioned heat exchange core body further includes connection ring, and disturbance part passes through connection ring It is interference fitted with heat exchanger tube.
The advantageous effect of heat exchange core body that the utility model embodiment provides is:
The flow direction that part changes cooling water or freezing liquid is disturbed, the laminar flow shape of cooling water or freezing liquid from the prior art is made State is changed to turbulence state.When cooling water or freezing liquid make turbulent flow, because its particle makees irregular movement, various amounts in flow field The variation to get muddled at any time with space coordinate keeps temperature and the temperature difference at tube wall at tube hub smaller, improves heat exchange effect Rate.
Turbulence chamber is collectively formed with heat exchanger tube in disturbance part, and locomotive engine cools down cooling water or freezing liquid and flowed into from heat exchanger tube Turbulence chamber, disturbance part are arranged in the shape of a spiral, axis winding of the disturbance part along heat exchanger tube.Disturbance part is set in heat exchanger tube, is disturbed Part and heat exchanger tube interference fit make disturbance part in cooling flow flow process will not violent play, avoid generating noise.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the structural schematic diagram for the heat exchange core body that the utility model embodiment provides;
Fig. 2 shows fluids to flow through the heat exchanger tube schematic diagram without disturbance part;
Fig. 3 shows that fluid flows through the schematic diagram of the turbulence chamber of the utility model embodiment offer;
Fig. 4 shows the structural schematic diagram for the disturbance part that the utility model embodiment provides.
Icon:100- heat exchange core bodies;101- turbulence chamber;110- heat exchanger tubes;120- disturbs part.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it is to be understood that term "center", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings or the reality With novel product using when the orientation or positional relationship usually put or the orientation that usually understands of those skilled in the art or Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated equipment or member Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply Relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachable for example, it may be being fixedly connected Connection, or be integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, centre can also be passed through Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 shows the structural schematic diagram for the heat exchange core body 100 that the utility model embodiment provides.Referring to Fig. 1, this reality It applies example and provides a kind of heat exchange core body 100, heat exchange core body 100 is mainly used for the heat exchange of liquid and other media, in the present embodiment In, heat exchange core body 100 exchanges heat for locomotive engine cooling cooling water or freezing liquid with air.
It is understood that in the other embodiment of the utility model, heat exchange core body 100 can be used for other heat exchange Mechanism exchanges heat.
In detail, in the present embodiment, disturbance part 120 of the heat exchange core body 100 including heat exchanger tube 110, spiral winding, disturbance Part 120 is set in heat exchanger tube 110, makes to form turbulence chamber 101 in heat exchanger tube 110;Disturbance part 120 is matched with 110 interference of heat exchanger tube It closes.
In the present embodiment, heat exchanger tube 110 is copper pipe, it is to be understood that in the other embodiment of the utility model, Tubing, such as albronze pipe etc. made of heat exchanger tube 110 or other materials.
Disturbance part 120 and heat exchanger tube 110 are collectively formed turbulence chamber 101, locomotive engine cool down cooling water or freezing liquid from Heat exchanger tube 110 flows into turbulence chamber 101, and disturbance part 120 is arranged in the shape of a spiral, axis winding of the disturbance part 120 along heat exchanger tube 110. Disturbance part 120 is set in heat exchanger tube 110, and disturbance part 120 makes disturbance part 120 in cooling flow with the interference fit of heat exchanger tube 110 In flow process will not violent play, avoid generate noise.
It disturbs part 120 and disturbs the flow regime of cooling water or freezing liquid in heat exchanger tube 110, further, disturb part 120 The flow direction for changing cooling water or freezing liquid, makes cooling water or freezing liquid be changed to turbulence-like from the laminar condition of the prior art State.When cooling water or freezing liquid make turbulent flow, because its particle makees irregular movement, various amounts are sat with space at any time in flow field The variation to get muddled is marked, keeps temperature and the temperature difference at tube wall at tube hub smaller, heat exchange efficiency is high.
Fig. 2 shows fluids to flow through 110 schematic diagram of heat exchanger tube without disturbance part 120;Fig. 3 shows that fluid flows through this The schematic diagram for the turbulence chamber 101 that utility model embodiment provides.Please refer to Fig. 2 and Fig. 3.
When being not provided with disturbance part 120 in heat exchanger tube 110, the flow regime of cooling water or freezing liquid is layer in heat exchanger tube 110 Stream;The movement of its particle is relatively regular, and the variation that molecule gets muddled with space coordinate at any time in flow field is smaller, heat exchange Temperature and the temperature difference at tube wall are larger at 110 tube hub of pipe, and the heat exchange efficiency of cooling water or freezing liquid is low.
In detail, close to the cooling water of 110 tube wall of heat exchanger tube or freezing liquid and 110 center of heat exchanger tube in turbulence chamber 101 Cooling water or freezing liquid mixing, reduce the temperature difference in turbulence chamber 101, increase the heat transfer efficiency of cooling water or freezing liquid, to increase Add the heat transfer coefficient of heat exchange core body 100.
Fig. 4 shows the structural schematic diagram for the disturbance part 120 that the utility model embodiment provides, and please refers to Fig. 4.
From the above, disturbance part 120 is interference fitted with heat exchanger tube 110.Therefore, disturbance part 120 outer diameter needs be more than or Person is equal to the internal diameter of heat exchanger tube 110, and in process fluid flow, disturbance part 120 makes disturbance part with the interference fit of heat exchanger tube 110 120 do not relatively move with heat exchanger tube 110, or disturbance part 120 is in 110 internal vibration of heat exchanger tube, to disturb part 120 not with change 110 inner wall of heat pipe collides, and reduces noise.
Further, in the present embodiment, along the axis direction of heat exchanger tube 110, the outer diameter of 120 one end of disturbance part, which is more than, disturbs The outer diameter of 120 other end of moving part.Part 120 is disturbed to be interference fitted by the larger one end of radius and heat exchanger tube 110.
Further, the outer diameter of disturbance part 120 gradually increases.In other words, the outer diameter of disturbance part 120 gradually changes. Specifically, in the present embodiment, disturbance part 120 is volute spring.The outer diameter of volute spring gradually changes, cooling water or freezing liquid By heat exchanger tube 110 flow into turbulence chamber 101 in after, cooling water or freezing liquid are constantly contacted with volute spring, change cooling water or The flow direction of freezing liquid.In addition, the outer diameter of volute spring gradually changes, in the cooling of the radial direction different distance of heat exchanger tube 110 Water or freezing liquid are contacted with volute spring, and flow direction is changed.Keep cooling water in entire turbulence chamber 101 or freezing liquid equal Disturbed part 120 disturbs.The turbulent extent for increasing cooling water or freezing liquid, to increase cooling water or freezing liquid and heat exchanger tube The heat exchange efficiency of 110 outer gases increases the heat conduction efficiency of heat exchange core body 100.
Further, volute spring has certain elastic potential energy, when the cooling flow of cooling water or freezing liquid is larger, Pressure is larger.Pressure is applied to volute spring.Volute spring reduces the flow velocity of cooling water or freezing liquid, increases cooling water or freezing Liquid residence time in heat exchanger tube 110, to increase the heat-exchange time of cooling water or freezing liquid and 110 outer gas of heat exchanger tube, Increase the heat exchange efficiency of cooling water or freezing liquid.
In addition, the outer diameter of disturbance part 120 gradually increases.Part 120 is disturbed to be interference fitted with heat exchanger tube 110.Disturb part 120 only It is contacted with heat exchanger tube 110 in the larger one end of outer diameter, from one end that disturbance part 120 is contacted with heat exchanger tube 110 to the other end, The spacing for disturbing the outer diameter and the inner wall of heat exchanger tube 110 of part 120 is bigger, after cooling water or freezing liquid shock vibration part 120, disturbance Part 120 may vibrate;Since there is spacing between the outer diameter and the inner wall of heat exchanger tube 110 of disturbance part 120;Therefore, it disturbs The outer diameter of moving part 120 will not generate collision with the inner wall of heat exchanger tube 110;Heat exchange core body 100 in the process of running, without noise.
Further, axisymmetrical of the disturbance part 120 along heat exchanger tube 110.In other words, disturbance part 120 is axisymmetric shape Shape, axisymmetrical of the disturbance part 120 about heat exchanger tube 110.From the above, it after cooling water or freezing liquid shock vibration part 120, disturbs Moving part 120 may vibrate;There is certain amplitude in vibration processes.In the radial direction along heat exchanger tube 110, part is disturbed Spacing between any point of 120 outers and 110 inner wall of heat exchanger tube is identical.Avoid as far as possible disturbance part 120 one end not with The case where heat exchanger tube 110 collides, and the other end is collided with heat exchanger tube 110.
It is understood that in the other embodiment of the utility model, the outer diameter of disturbance part 120 may be that other set Set relationship.
For example, the outer diameter of 120 one end of disturbance part is more than the outer diameter of disturbance 120 other end of part.But disturb the outer diameter of part 120 It is not in the trend for increasing or reducing.Along the axis direction of heat exchanger tube 110, the outer diameter of disturbance part 120 first increases, and then subtracts again It is small.
Alternatively, the radius in disturbance part 120 centre position is more than the radius of disturbance part 120 reversed opposite end along its length.
It is understood that in the other embodiment of the utility model, disturbance part 120, which may be set to be outer diameter, to be had Two sizes, disturbance part 120 includes the first segment with first size and the second segment with the second size.
Further, 120 centre position of disturbance part is contacted with heat exchanger tube 110, alternatively, disturbing 120 centre position of part and changing Heat pipe 110 is interference fitted.
The connection relation being interference fitted with heat exchanger tube 110 by disturbing 120 centre position of part;The radius for disturbing part 120 is first Increase, the setting relationship then reduced again.Cooling water or freezing liquid enter by 110 one end of heat exchanger tube in turbulence chamber 101, and edge is changed 110 length direction of heat pipe flows;The disturbance part 120 of cooling water or freezing liquid first with disturbance 120 centre position upstream portion of part connects It touches, forms turbulent flow;Then flow through disturbance 120 middle position of part;Then, cooling water or freezing liquid again among disturbance part 120 The disturbance part 120 of position downstream part contacts, and forms turbulent flow.
So after cooling water or freezing liquid flow through above-mentioned turbulence chamber 101, the directional velocity of cooling water or freezing liquid is at least It is changed twice, the cooling water or freezing liquid disturbance in entire turbulence chamber 101 are more violent, and particle makees irregular movement, flow field In the variation that gets muddled at any time with space coordinate of various amounts increase, cause at 110 tube hub of heat exchanger tube temperature at tube wall Temperature difference be further reduced, increase heat exchange efficiency.
It is understood that in the other embodiment of the utility model, disturbance part 120 is interference fitted with heat exchanger tube 110 In the case of, disturbance part 120 is fixedly connected with heat exchanger tube 110, for example, the position that disturbance part 120 is interference fitted with heat exchanger tube 110 It is fixedly connected by modes such as welding.
In the present embodiment, disturbance part 120 is equal to the length of heat exchanger tube 110 along the length of 110 length direction of heat exchanger tube.
It, can also be in disturbance part 120 in order to avoid disturbing 120 structure of part in the other embodiment of the utility model One layer of plastic foil is laid in outer surface.
In the other embodiment of the utility model, heat exchange core body 100 further includes connection ring (not shown), disturbs part 120 are interference fitted by connection ring and heat exchanger tube 110.Further degree ground, connection ring is set in heat exchanger tube 110, connection ring with Heat exchanger tube 110 is interference fitted, and disturbance part 120 is connect with connection ring, realizes that disturbance part 120 is interference fitted with heat exchanger tube 110.Setting The outer diameter of connection ring, disturbance part 120 can be unified, and the production process in manufacturing process is reduced;Further reduce disturbance part 120 The distance between heat exchanger tube 110, during disturbing 120 play of part, disturbance part 120 is not collided with heat exchanger tube 110, and reduction is made an uproar Sound.The major advantage for the heat exchange core body 100 that the utility model embodiment provides is:
The flow direction that part 120 changes cooling water or freezing liquid is disturbed, the layer of cooling water or freezing liquid from the prior art is made Stream mode is changed to turbulence state.It is each in flow field because its particle makees irregular movement when cooling water or freezing liquid make turbulent flow Kind of the variation that gets muddled at any time with space coordinate of amount, makes at tube hub that temperature and the temperature difference at tube wall are smaller, and raising is changed The thermal efficiency.
Disturbance part 120 and heat exchanger tube 110 are collectively formed turbulence chamber 101, locomotive engine cool down cooling water or freezing liquid from Heat exchanger tube 110 flows into turbulence chamber 101, and disturbance part 120 is arranged in the shape of a spiral, axis winding of the disturbance part 120 along heat exchanger tube 110. Disturbance part 120 is set in heat exchanger tube 110, and disturbance part 120 makes disturbance part 120 in cooling flow with the interference fit of heat exchanger tube 110 In flow process will not violent play, avoid generate noise.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of heat exchange core body, which is characterized in that the heat exchange core body include heat exchanger tube, spiral winding disturbance part, it is described to disturb Moving part is set in the heat exchanger tube, makes to form turbulence chamber in the heat exchanger tube;
The follower portion of disturbing is interference fitted with the heat exchanger tube.
2. heat exchange core body according to claim 1, which is characterized in that along the axis direction of the heat exchanger tube, the disturbance The outer diameter of part one end is more than the outer diameter of the disturbance part other end.
3. heat exchange core body according to claim 1, which is characterized in that match with the heat exchanger tube interference described disturbance part one end It closes, the outer diameter of the disturbance part other end is less than the internal diameter of the heat exchanger tube.
4. heat exchange core body according to claim 1, which is characterized in that described disturbance part one end is fixed with the heat exchanger tube to be connected It connects.
5. heat exchange core body according to claim 1, which is characterized in that along the axis direction of the heat exchanger tube, the disturbance The outer diameter of part gradually increases.
6. heat exchange core body according to claim 1, which is characterized in that the disturbance part is volute spring.
7. heat exchange core body according to claim 1, which is characterized in that axis pair of the disturbance part along the heat exchanger tube Claim.
8. heat exchange core body according to claim 1, which is characterized in that along the axis direction of the heat exchanger tube, the disturbance Outer diameter among part is more than the outer diameter of the disturbance part opposite end.
9. heat exchange core body according to claim 1, which is characterized in that the heat exchanger tube is copper pipe.
10. heat exchange core body according to claim 1, which is characterized in that the heat exchange core body further includes connection ring, described to disturb Moving part is interference fitted by the connection ring and the heat exchanger tube.
CN201820210389.6U 2018-02-06 2018-02-06 A kind of heat exchange core body Active CN207936842U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110986462A (en) * 2019-12-10 2020-04-10 佛山精迅能冷链科技有限公司 Efficient cold-filling ice row
CN111879140A (en) * 2020-07-20 2020-11-03 江阴弘旭环保电力科技有限公司 Condenser system for waste heat power generation system
CN112923778A (en) * 2021-02-08 2021-06-08 广东万和新电气股份有限公司 Turbulent flow piece, heat exchange assembly and heat exchange device
CN112923777A (en) * 2021-02-08 2021-06-08 广东万和新电气股份有限公司 Turbulent flow piece, heat exchange assembly and heat exchange device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110986462A (en) * 2019-12-10 2020-04-10 佛山精迅能冷链科技有限公司 Efficient cold-filling ice row
CN111879140A (en) * 2020-07-20 2020-11-03 江阴弘旭环保电力科技有限公司 Condenser system for waste heat power generation system
CN112923778A (en) * 2021-02-08 2021-06-08 广东万和新电气股份有限公司 Turbulent flow piece, heat exchange assembly and heat exchange device
CN112923777A (en) * 2021-02-08 2021-06-08 广东万和新电气股份有限公司 Turbulent flow piece, heat exchange assembly and heat exchange device

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