CN201706940U - Internal screw tube and heat exchanger and air-conditioner adopting same - Google Patents
Internal screw tube and heat exchanger and air-conditioner adopting same Download PDFInfo
- Publication number
- CN201706940U CN201706940U CN2010202024332U CN201020202433U CN201706940U CN 201706940 U CN201706940 U CN 201706940U CN 2010202024332 U CN2010202024332 U CN 2010202024332U CN 201020202433 U CN201020202433 U CN 201020202433U CN 201706940 U CN201706940 U CN 201706940U
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- tooth
- teeth
- cog
- riffled tube
- heat exchanger
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Abstract
The utility model discloses an internal screw tube. Teeth with identical height are formed on the inner wall of the internal screw tube, and the height of the teeth is 0.10 to 0.20mm; and the area of the cross section of the space between any two adjacent teeth surrounded by an arc-shaped line at the top of the teeth and the contour between the teeth is 0.015 to 0.023 square millimeters. In the internal screw tube, the height of tooth and the tooth rack number of copper pipes can be indirectly adjusted due to the restriction on the cross section of the space between any two adjacent teeth surrounded by the arc-shaped line at the top of the teeth and the contour between the teeth, i.e. 0.015 to 0.023 square millimeters, so that the surface area of the internal screw tube in unit length is proper and the rate of heat exchange is properly improved accordingly. At the same time, the utility model further provides a heat exchanger and an air-conditioner adopting the internal screw tube.
Description
Technical field
The utility model relates to the heat-exchange apparatus field, particularly a kind of heat exchanger and air-conditioning that is applied to the riffled tube in small heat-exchanger or the air-conditioning and uses this riffled tube.
Background technology
The thin caliber inner screw thread copper pipe that uses on the existing small-type refrigeration appliance has multiple flute profile, usually flute profile has full depth tooth, tall and thin tooth, M type tooth, the tooth etc. that intersects, and these have not that the general character of the inner screw thread copper pipe of isodont is to compare with light face copper pipe to have higher heat exchange efficiency.In fact, the inner screw thread copper pipe heat exchange property of isodont is not different, and this and tooth type structures have much relations.And, cause using inner screw thread copper pipe also different as the efficiency of the heat exchanger of heat-exchange tube because the heat exchange property of inner screw thread copper pipe is different.
Therefore, how to provide a kind of riffled tube, its heat exchange efficiency is further improved, to meet the need of market, this is those skilled in the art's technical issues that need to address.
Summary of the invention
The purpose of this utility model provides a kind of riffled tube, and the heat exchange efficiency of this riffled tube can be further improved; The utility model also provides heat exchanger and the air-conditioning of using this riffled tube simultaneously.
The technical scheme of the utility model riffled tube is: a kind of riffled tube, be provided with the tooth of projection at the inwall of riffled tube, the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2
The space cross-sectional area of described between cog equates.
Described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the space cross-sectional area of the between cog of adjacent teeth does not all equate in every group.
The flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The utility model by to the between cog of any adjacent two teeth by the space cross-sectional area of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2Between constraint, adjust the tooth depth and the tooth bar number of riffled tube indirectly, make that inner surface area is moderate in the riffled tube unit length, thereby appropriateness improves rate of heat exchange.Because the heat exchange efficiency of this riffled tube is higher, is guaranteeing that under the prerequisite that heat exchange efficiency meets design requirement, its volume size can reduce, thereby reaching the purpose of saving metal material and energy.
The technical scheme of heat exchanger is in the utility model: a kind of heat exchanger, the heat-exchange tube of described heat exchanger is a riffled tube, be provided with the tooth of projection at the inwall of riffled tube, the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, the flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The space cross-sectional area of described between cog equates.
Described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the space cross-sectional area of the between cog of adjacent teeth does not all equate in every group.
The heat exchanger that the utility model provides, its heat-exchange tube adopts the special riffled tube of structure, this riffled tube by to the between cog of adjacent two teeth arbitrarily by the space cross-sectional area of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2Between constraint, adjust the tooth depth and the tooth bar number of riffled tube indirectly, make that inner surface area is moderate in the riffled tube unit length, appropriateness improves rate of heat exchange, thereby improves the heat exchange efficiency of heat exchanger.Rate of heat exchange raising because of riffled tube, the size of riffled tube can appropriateness reduce, the volume of using the heat exchanger of this riffled tube is just reduced like this, makes that making the employed tubing cost of heat exchanger reduces, thereby reaches the purpose of saving metal material and energy, raising efficiency.
The technical scheme of air-conditioning is in the utility model: a kind of air-conditioning, described air-conditioning comprises heat exchanger, the heat-exchange tube of described heat exchanger is a riffled tube, be provided with the tooth of projection at the inwall of riffled tube, the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, the flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The space cross-sectional area of described between cog equates.
Described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the interdental space cross-sectional area of adjacent teeth does not all equate in every group.
The air-conditioning that the utility model provides, heat-exchange tube in its employed heat exchanger is the special riffled tube of structure, this riffled tube by to the between cog of any adjacent two teeth by the space cross-sectional area of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2Between constraint, adjust the tooth depth and the tooth bar number of riffled tube indirectly, make that inner surface area is moderate in the riffled tube unit length, appropriateness improves rate of heat exchange, thereby has improved the efficiency of air-conditioning.And because of the rate of heat exchange of riffled tube improves, the size of riffled tube can appropriateness reduce, the volume of using the heat exchanger of this riffled tube like this just is able to less, thereby from reducing the volume of air-conditioning, make that like this space requirement is further reduced to installation of air conditioners, and because size reduces also to have reduced accordingly the production cost of air-conditioning.
Description of drawings
Fig. 1 is a kind of example structure schematic diagram of riffled tube in the utility model;
Fig. 2 is a kind of example structure schematic diagram of heat exchanger in the utility model;
Fig. 3 is the structural representation of riffled tube among Fig. 2;
Fig. 4 is a kind of example structure schematic diagram of air-conditioning in the utility model;
Fig. 5 is the structural representation of heat exchanger among Fig. 4;
Fig. 6 is the structural representation of riffled tube among Fig. 5.
The specific embodiment
As shown in Figure 1, a kind of riffled tube, its external diameter is 5.90-6.30mm, be provided with the tooth 2 of projection at riffled tube 1 inwall, the tooth depth of described tooth 2 equates, tooth depth is 0.10-0.20mm, in the described tooth between cog 3 of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and every group the number of teeth is 3, the interdental space cross-sectional area S of adjacent teeth in every group
C1And S
C2Unequal.
The flute profile of described tooth 2 is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The tooth bar number is between 60 to 80, and the tooth bar number is a benchmark to satisfy production.
During concrete enforcement, the number of teeth in every group also can be 4 teeth, and the space cross section of the between cog of adjacent teeth is 3 in every group like this, and the space cross-sectional area of the between cog of adjacent teeth does not equate all that it distributes as S in every group of this moment
C1S
C2S
C1Or S
C1S
C1S
C2, also three space cross-sectional areas can be arranged to not unequal mutually as S
C1S
C2S
C3
Space cross-sectional area with between cog in the utility model is not made as all equal, and be and periodically be distributed in riffled tube inwall side with the form of grouping, so promptly be convenient to processing, increased disturbance simultaneously to fluid in the riffled tube, thereby make heat convection be strengthened, further improve its heat exchange effect.
During concrete enforcement, the space cross-sectional area of described between cog also can all equate.
As shown in Figure 1, as the space cross-sectional area S of the between cog of adjacent teeth
C(1,2)Be 0.0225 mm
2The time, riffled tube inner surface area experiment value is about 320 mm
2/ cm, and work as S
C(1,2)Be 0.0245mm
2The time, riffled tube inner surface area experiment value is about 290 mm
2/ cm, both inner surface areas of comparing the former have promoted 9% approximately like this, thus appropriateness improves rate of heat exchange.
As Fig. 2, shown in Figure 3, the utility model provides a kind of heat exchanger, it comprises heat exchanger frame 4 and the riffled tube 5 that is arranged on the heat exchanger frame 4, the external diameter of riffled tube 5 is 5.90-6.30mm, be provided with the tooth 52 of projection at riffled tube 5 inwalls, the tooth depth of described tooth 52 equates that tooth depth is 0.10-0.20mm, in the described tooth between cog 53 of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and every group the number of teeth is 3, the space cross-sectional area S of the between cog of adjacent teeth in every group
C1And S
C2Unequal.
The flute profile of described tooth 52 is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The tooth bar number is between 60 to 80, and the tooth bar number is a benchmark to satisfy production.
During concrete enforcement, the number of teeth in every group also can be 4 teeth, and the space cross section of the between cog of adjacent teeth is 3 in every group like this, and the space cross-sectional area of the between cog of adjacent teeth does not equate all that it distributes as S in every group of this moment
C1S
C2S
C1Or S
C1S
C1S
C2, also three space cross-sectional areas can be arranged to unequal as S mutually
C1S
C2S
C3
During concrete enforcement, the space cross-sectional area of described between cog also can all equate.
The heat exchange efficiency of heat exchanger provided by the utility model is further improved, and because the heat exchange efficiency of riffled tube improves, thereby can reduce the size of tubing, can reduce the volume of heat exchanger like this, reduce required tubing consumption, thereby reach the purpose that reduces production costs.
Riffled tube in the heat exchanger that the utility model provides is not made as the space cross-sectional area of between cog all equal, and be and periodically be distributed in riffled tube inwall side with the form of grouping, so promptly be convenient to processing, increased disturbance simultaneously to fluid in the riffled tube, thereby make heat convection be strengthened, further improve its heat exchange effect.
As Fig. 4, Fig. 5, shown in Figure 6, the utility model provides a kind of air-conditioning, it comprises air-conditioner housing 7, be provided with heat exchanger 8 in air-conditioner housing 6 inside, described heat exchanger 8 comprises heat exchanger frame 84 and the riffled tube 85 that is arranged on the heat exchanger frame 84, the external diameter of riffled tube 85 is 5.90-6.30mm, be provided with the tooth 852 of projection at riffled tube 85 inwalls, the tooth depth of described tooth 852 equates, tooth depth is 0.10-0.20mm, in the described tooth between cog 853 of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and every group the number of teeth is 3, the space cross-sectional area S of the between cog of adjacent teeth in every group
C1And S
C2Unequal.
The flute profile of described tooth 852 is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
The tooth bar number is between 60 to 80, and the tooth bar number is a benchmark to satisfy production.
During concrete enforcement, the number of teeth in every group also can be 4 teeth, and the space cross section of the between cog of adjacent teeth is 3 in every group like this, and the space cross-sectional area of the between cog of adjacent teeth does not equate all that it distributes as S in every group of this moment
C1S
C2S
C1Or S
C1S
C1S
C2, also three cross-sectional areas can be arranged to unequal as S mutually
C1S
C2S
C3
During concrete enforcement, the space cross-sectional area of described between cog also can all equate.
The heat exchanger effectiveness of air-conditioning provided by the utility model is improved because of adopting above-mentioned riffled tube.Under the prerequisite that heat exchanger effectiveness meets design requirement, can reduce the size of riffled tube, thereby make the appearance and size of heat exchanger, air-conditioning all reduce, make production cost reduce.And when the appearance and size of air-conditioning hour, space requirement is just reduced to installation of air conditioners so.
Riffled tube in the air-conditioning that the utility model provides is not made as the space cross-sectional area of between cog all equal, and be and periodically be distributed in riffled tube inwall side with the form of grouping, so promptly be convenient to processing, increased disturbance simultaneously to fluid in the riffled tube, thereby make heat convection be strengthened, further improve its heat exchange effect.
During concrete enforcement, the heat exchanger in the described air-conditioning comprises evaporimeter and condenser, uses above-mentioned riffled tube can effectively improve the heat exchange efficiency of evaporimeter and condenser, thereby reaches the purpose of saving metal material and energy, raising efficiency.
Claims (10)
1. riffled tube, be provided with the tooth of projection at the inwall of riffled tube, it is characterized in that: the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2
2. riffled tube according to claim 1 is characterized in that: the space cross-sectional area of described between cog equates.
3. riffled tube according to claim 1 is characterized in that: described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the space cross-sectional area of the between cog of adjacent teeth does not all equate in every group.
4. according to claim 1 or 2 or 3 described riffled tubes, it is characterized in that: the flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
5. heat exchanger, the heat-exchange tube of described heat exchanger is a riffled tube, be provided with the tooth of projection at the inwall of riffled tube, it is characterized in that: the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, the flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
6. heat exchanger according to claim 5 is characterized in that: the space cross-sectional area of described between cog equates.
7. heat exchanger according to claim 5 is characterized in that: described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the space cross-sectional area of the between cog of adjacent teeth does not all equate in every group.
8. air-conditioning, described air-conditioning comprises heat exchanger, the heat-exchange tube of described heat exchanger is a riffled tube, be provided with the tooth of projection at the inwall of riffled tube, it is characterized in that: the tooth depth of described tooth equates, tooth depth is 0.10-0.20mm, in the described tooth between cog of any two adjacent teeth by the area of the space cross section of tooth top arc line and between cog profile institute envelope at 0.015-0.023mm
2, the flute profile of described tooth is the vertical bar tooth of 0 ° of helical angle or helical angle at 0 °-45 ° internal thread tooth.
9. air-conditioning according to claim 8 is characterized in that: the space cross-sectional area of described between cog equates.
10. air-conditioning according to claim 8 is characterized in that: described tooth is divided into some groups, and the number of teeth of tooth equates in each group, structure distribution is identical, and the described number of teeth is the 3-4 tooth, and the interdental space cross-sectional area of adjacent teeth does not all equate in every group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202024332U CN201706940U (en) | 2010-05-25 | 2010-05-25 | Internal screw tube and heat exchanger and air-conditioner adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202024332U CN201706940U (en) | 2010-05-25 | 2010-05-25 | Internal screw tube and heat exchanger and air-conditioner adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706940U true CN201706940U (en) | 2011-01-12 |
Family
ID=43444102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202024332U Expired - Lifetime CN201706940U (en) | 2010-05-25 | 2010-05-25 | Internal screw tube and heat exchanger and air-conditioner adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706940U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183167A (en) * | 2011-03-24 | 2011-09-14 | 中色奥博特铜铝业有限公司 | Inner threaded copper tube with diameter phi of 3 |
| CN102305568A (en) * | 2011-09-28 | 2012-01-04 | 金龙精密铜管集团股份有限公司 | Internal threaded copper pipe |
| CN103471443A (en) * | 2013-10-10 | 2013-12-25 | 昆山德泰新材料科技有限公司 | Inner grooved copper tube |
| CN103968699A (en) * | 2014-05-21 | 2014-08-06 | 合肥华凌股份有限公司 | Heat exchange tube, evaporator assembly, condenser assembly and refrigeration equipment |
| CN105026869A (en) * | 2013-02-21 | 2015-11-04 | 开利公司 | Tube structures for heat exchanger |
-
2010
- 2010-05-25 CN CN2010202024332U patent/CN201706940U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183167A (en) * | 2011-03-24 | 2011-09-14 | 中色奥博特铜铝业有限公司 | Inner threaded copper tube with diameter phi of 3 |
| CN102305568A (en) * | 2011-09-28 | 2012-01-04 | 金龙精密铜管集团股份有限公司 | Internal threaded copper pipe |
| CN105026869A (en) * | 2013-02-21 | 2015-11-04 | 开利公司 | Tube structures for heat exchanger |
| CN105026869B (en) * | 2013-02-21 | 2017-09-12 | 开利公司 | Pipeline configuration for heat exchanger |
| CN103471443A (en) * | 2013-10-10 | 2013-12-25 | 昆山德泰新材料科技有限公司 | Inner grooved copper tube |
| CN103968699A (en) * | 2014-05-21 | 2014-08-06 | 合肥华凌股份有限公司 | Heat exchange tube, evaporator assembly, condenser assembly and refrigeration equipment |
| CN103968699B (en) * | 2014-05-21 | 2016-08-17 | 合肥华凌股份有限公司 | Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal screw tube and heat exchanger and air-conditioner adopting same Effective date of registration: 20171215 Granted publication date: 20110112 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: WUXI GOLDEN DRAGON KAWAMURA PRECISION TUBE Co.,Ltd.|CHONGQING LONGYU PRECISE COPPER TUBE Co.,Ltd.|HENAN LONGHUI COPPER INDUSTRY Co.,Ltd.|Xinxiang Jinxiang Precision Pipe Fittings Co.,Ltd.|XINXIANG LONGTENG REFRIGERATION HIGH-TECH CO.,LTD.|JIANGSU CANGHUAN COPPER PRODUCTS CO.,LTD.|GOLDEN DRAGON PRECISE COPPER TUBE Group Inc.|GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD. Registration number: 2017990001045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190814 Granted publication date: 20110112 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD.|GOLDEN DRAGON PRECISE COPPER TUBE Group Inc. Registration number: 2017990001045 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal screw tube and heat exchanger and air-conditioner adopting same Effective date of registration: 20190904 Granted publication date: 20110112 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD.|GOLDEN DRAGON PRECISE COPPER TUBE Group Inc. Registration number: Y2019990000126 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
|
| CX01 | Expiry of patent term | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220801 Granted publication date: 20110112 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: GUANGDONG LONGFENG PRECISION COPPER PIPE CO.,LTD.|GOLDEN DRAGON PRECISE COPPER TUBE Group Inc. Registration number: Y2019990000126 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |