CN204104153U - Electric heating tube component - Google Patents
Electric heating tube component Download PDFInfo
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- CN204104153U CN204104153U CN201420407791.5U CN201420407791U CN204104153U CN 204104153 U CN204104153 U CN 204104153U CN 201420407791 U CN201420407791 U CN 201420407791U CN 204104153 U CN204104153 U CN 204104153U
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- tube
- electric heating
- sleeve pipe
- common mode
- medium
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Abstract
The utility model provides a kind of electric heating tube component, comprises medium tube, electric heating part, the first sleeve pipe, the second sleeve pipe and the first common mode protector.Medium tube is used for pumped (conveying) medium, and one end is provided with the first tube connector, and the other end is provided with the second tube connector; Electric heating part comprises dielectric heating portion and electrical power source connection, and dielectric heating portion is located at medium tube and part first tube connector outer surface, and electrical power source connection extends to away from medium tube direction, and its end is provided with power supply Connection Element; First set pipe box is located at outside medium tube, in order to protective medium pipe and dielectric heating portion; Second casing pipe sleeve is located at outside electrical power source connection, in order to protection power source connecting portion; First common mode protector medium tube and the first tube connector junction molded and shaped, be tightly connected the first sleeve pipe and the first tube connector, and wrap up the dielectric heating portion that is exposed to outside the first sleeve pipe.
Description
Technical field
The utility model relates to a kind of electric heating tube component for vehicle SCR (Selective Catalytic Reduction) system.
Background technology
Selective catalytic reduction (SCR, Selective Catalytic Reduction) system becomes system conventional in Hyundai Motor gradually.In order to ensure environment pollution control in suitable scope, many new traffic rules can strengthen the application of SCR system on diesel car.
SCR system adopts urea liquid to reduce the content of the burning gases nitrogen oxide of discharging.Urea liquid is injected into muffler of gas escape tube via urea tube and burning gases react.
According to current standard, SCR system must be able to ensure to operate in 30 minutes after car engine under various ambient temperature, under being included in perishing subzero 40 degree celsius temperature environment, still can operate after car engine in 30 minutes.
Urea liquid solidifying point, at 11 degrees Celsius, this feature limits the application of SCR system in cold environment.In order to avoid this problem, SCR system, usually by various different heating system heats, obtains heat energy from heating system and guarantees that urea liquid does not solidify.
The pipeline of urea tube is usually applied electric heating system and is heated, and the pipe joint connecting urea tube and electric heating system must reach the standard defrosted for 30 minutes, and the sealing of pipe joint, mechanical performance and electrical insulation properties also will meet standard.
Typical traditional solution is below described.Urea tube and electrical heating elements are by a connector compact siro spinning technology.
This electrical heating elements can be an electric-heating belt or one around cable.The heat that electrical heating elements produces is delivered to urea tube, makes the temperature that urea tube keeps suitable.
The first existing (connector) comprise urea tube, housing, the automatic quick connector of a standard, the ribbon heater be wrapped on this automatic quick connector, one by body seal to the snap ring (grommet) of pipe side and " O " RunddichtringO of being located at for a pair between shell and connector.
In the connector, in housing, there is no sealing resin, therefore connect insecure.
The existing connector of the second is on the basis of front a kind of connector, and be filled with a sealing resin in the enclosure.But this connector needs assemblies different in a large number, complex structure, and it is difficult to the abundant filling ensureing shell, easily makes resin sting and exposes shell, cause heat transfer property bad.
In addition, it needs very long assembling, injection moulding and a curing time, adds cost of labor, reduces efficiency.
Also there is some other solution in prior art, mostly comprise shell, and potting resin is protected and is connected with fluid with sealed electrical in the enclosure.
Therefore, current electric heating tube component complex structure, heat transfer property is bad.
Disclosed in described background technology part, above-mentioned information is only for strengthening the understanding to background of the present disclosure, and therefore it can comprise the information do not formed prior art known to persons of ordinary skill in the art.
Utility model content
The purpose of this utility model is the defect solving electric heating tube component in prior art, provides that a kind of structure is simple, the electric heating tube component of good heat-transfer.
Additional aspect of the present invention and advantage will partly be set forth in the following description, and partly will become obvious from description, or can the acquistion by practice of the present disclosure.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
According to an aspect of the present utility model, a kind of electric heating tube component, comprises medium tube, electric heating part, the first sleeve pipe, the second sleeve pipe and the first common mode protector.Medium tube is used for pumped (conveying) medium, and an end of described medium tube is provided with the first tube connector, and the other end is provided with the second tube connector; Electric heating part comprises dielectric heating portion and electrical power source connection, described dielectric heating portion is located at described medium tube and the described first tube connector outer surface of part, for heating described medium, electrical power source connection extends to away from described medium tube direction, its end is provided with power supply Connection Element, in order to connect a power supply; First set pipe box is located at outside described medium tube, in order to protect described medium tube and described dielectric heating portion; Second casing pipe sleeve is located at outside described electrical power source connection, in order to protect described electrical power source connection; First common mode protector described medium tube and described first tube connector junction molded and shaped, be tightly connected described first sleeve pipe and the first tube connector, and wrap up the dielectric heating portion that is exposed to outside described first sleeve pipe.
According to an execution mode of the present utility model, described power supply Connection Element is pin connector or twin columns cable.
According to an execution mode of the present utility model, described first tube connector is linear pattern snap joint.
According to an execution mode of the present utility model, described medium tube is straight tube.
According to an execution mode of the present utility model, described medium tube is the bend pipe with at least one kink.
According to an execution mode of the present utility model, the number of described kink is multiple, and multiple described kink is bending towards different directions respectively.
According to an execution mode of the present utility model, described electric heating part is at least one electric-heating belt or resistance wire.
According to an execution mode of the present utility model, the dielectric heating portion of described electric heating part is in being placed in parallel in the outer surface of described medium tube and the second tube connector described in circle segment.
According to an execution mode of the present utility model, described dielectric heating portion comprises and can be connected to symmetrical two bar shaped portions that described ring part also can be attached to described medium tube in the ring part of described first tube connector of part by loop wire.
According to an execution mode of the present utility model, described first sleeve pipe is bellows, and/or described second sleeve pipe is bellows.
According to an execution mode of the present utility model, the circular in cross-section of the described first common mode protector of tubular or ellipse.
According to an execution mode of the present utility model, described first common mode protector is tubular.
According to an execution mode of the present utility model, the electrical power source connection of described electric heating part is extended to away from described medium tube direction by described second tube connector, and described electric heating tube component also comprises:
Second common mode protector; described second tube connector and described first tube connector junction molded and shaped; be tightly connected described first sleeve pipe, the second sleeve pipe and the second tube connector, and wrap up the electric heating part be exposed to outside described first sleeve pipe and the second sleeve pipe.
According to an execution mode of the present utility model, described second tube connector is 90 degree of snap joints or linear pattern snap joint.
According to an execution mode of the present utility model; the threeway that described second common mode protector is formed in one; comprise the first connecting portion, the second connecting portion and the 3rd connecting portion, be sealedly attached to described second tube connector, first set tube end and the second cannula tip respectively.
According to an execution mode of the present utility model, the first connecting portion of described second common mode protector is straight tube shape, and the second connecting portion is cone barrel, and the 3rd connecting portion is cone barrel.
According to an execution mode of the present utility model, described electric heating tube component also comprises:
3rd common mode protector, the electrical power source connection of described electric heating part and the junction of described power supply Connection Element molded and shaped, be tightly connected described second sleeve pipe and described power supply Connection Element, and wrap up the electrical power source connection that is exposed to outside described second sleeve pipe.
According to an execution mode of the present utility model, described first common mode protector, the second common mode protector and the 3rd common mode protector are formed each via low pressure injection formaing mode, and injection pressure scope is 0.2 ~ 0.4MPa.
According to an execution mode of the present utility model, described first common mode protector, the second common mode protector and the 3rd common mode protector can eliminate the stress of the first sleeve pipe and the second sleeve pipe.
As shown from the above technical solution, advantage of the present utility model and good effect are:
In the utility model electric heating tube component; the first common mode protector is provided with in medium tube and described first tube connector junction; this the first common mode protector is molded and shaped structure; in forming process; can easily realize being tightly connected with the first sleeve pipe and the first tube connector; and help sealing without the need to additional assemblies such as clip, sealing ring, packing rings, therefore the utility model structure is simple.
Moulding material for the first common mode protector can conform condition, does not need shell, which further simplifies structure; Further, avoid moulding material in housing, fill incomplete problem.
First common mode protector can wrap up the dielectric heating portion be exposed to outside the first sleeve pipe, and the first common mode protector gets final product mounting medium heating part in forming process, therefore the utility model safely, reliably.
Make the first common mode protector by the moulding material selecting thermal conductivity high, thus improve the thermal conductivity of the first common mode protector.
First common mode protector adopts molded and shaped, and forming process is fast and cleans and easily industrialization.
Accompanying drawing explanation
Figure 1A is the structural representation of the utility model electric heating tube component one execution mode;
Figure 1B is the structural representation of electric heating tube component one execution mode shown in Fig. 1, and it represents structure when not yet arranging first, second, third common mode protector;
Fig. 1 C is D direction view in Figure 1A;
Fig. 1 D is the structural representation in electric heating tube component one execution mode with the heating element of annulus;
Fig. 2 A is the perspective view of the first common mode protector in electric heating tube component one execution mode shown in Fig. 1;
Fig. 2 B is the front view of Fig. 2 A;
Fig. 2 C is the rearview of Fig. 2 A;
Fig. 2 D is the upward view of Fig. 2 A;
Fig. 2 E is the vertical view of Fig. 2 A;
Fig. 2 F is the right view of Fig. 2 A;
Fig. 2 G is the left view of Fig. 2 A;
Fig. 3 A is the perspective view of the second common mode protector in electric heating tube component one execution mode shown in Fig. 1;
Fig. 3 B is the front view of Fig. 3 A;
Fig. 3 C is the rearview of Fig. 3 A;
Fig. 3 D is the upward view of Fig. 3 A;
Fig. 3 E is the vertical view of Fig. 3 A;
Fig. 3 F is the right view of Fig. 3 A;
Fig. 3 G is the left view of Fig. 3 A.
In figure: 1, medium tube; 2, the first tube connector; 3, electric heating part; 31, dielectric heating portion; 32, electrical power source connection; 33, pin connector; 4, the first sleeve pipe; 5, the second sleeve pipe; 6, the first common mode protector; 7, the second tube connector; 8, the second common mode protector; 81, the first connecting portion; 82, the second connecting portion; 83, the 3rd connecting portion; 9, the 3rd common mode protector.
Embodiment
The exemplary embodiment embodying the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various changes on different execution modes, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the utility model.
As shown in FIG. 1A and 1B, the utility model electric heating tube component comprises medium tube 1, electric heating part 3, first sleeve pipe 4, second sleeve pipe 5 and the first common mode protector 6.
Medium tube 1 is for pumped (conveying) medium.Under the utility model electric heating tube component is used for SCR system situation, medium can be urea liquid, but not as limit, in other occasion, medium also can be other liquid.Medium tube 1 can, for manage always, also can be a bend pipe with at least one kink, and when the number of kink is multiple, described multiple kink can be bending towards different directions respectively.The shape of medium tube 1 is mainly specifically determined according to site space situation.
One end of medium tube 1 is provided with the first tube connector 2, the linear pattern snap joint (straight quick connector) of a such as traditional structure, the other end is provided with the second tube connector 7,90 degree of snap joints (square quick connector) of a such as traditional structure.In other embodiments, medium tube 1 is only at one end provided with tube connector as the first tube connector 2 or the second tube connector 7, and the other end adopts traditional structure.
Electric heating part 3 comprises dielectric heating portion 31 and electrical power source connection 32.
Dielectric heating portion 31 is for heat medium, and a such as electric-heating belt, for pumped (conveying) medium.It is placed in parallel in the outer surface of medium tube 1 and circle segment second tube connector 7 and part first tube connector 2 outer surface.Certain dielectric heating portion 31 also can otherwise be located at medium tube 1.
Such as, as shown in figure ip, dielectric heating portion 31 comprises ring part 311 and symmetrical two the bar shaped portions 312 being connected to ring part 311.Wherein ring part 311 energy loop wire is in the first tube connector 2, and bar shaped portion 312 is fitted in the outer surface of medium tube 1.
Electrical power source connection 32 extends to away from medium tube 1 direction, electrical power source connection 32 end is provided with power supply Connection Element, as being provided with pin connector 33, pin connector 33 can be used for connection one power supply, and power supply Connection Element can also be twin columns cable (dual pole cable).Electric heating part 3 can be one or more electric-heating belt (heat trace) or resistance wire.When switching on power, electric-heating belt or resistance wire produce the medium in heat heat medium pipe 1.
Electric heating element is fixed on medium tube 1 tightly by a heat-shrink tube (not shown).First sleeve pipe 4 is sheathed on outside medium tube 1, in order to protective medium pipe 1 and dielectric heating portion 31 to avoid damage.First sleeve pipe 4 can be bellows, but not as limit.
Second sleeve pipe 5 is sheathed on outside electrical power source connection 32, in order to protection power source connecting portion 32.Second sleeve pipe 5 can be bellows, but not as limit.
See Fig. 2 A to Fig. 2 G.First common mode protector 6 medium tube 1 and the first tube connector 2 junction molded and shaped, and be sealedly attached to the first sleeve pipe 4 and the first tube connector 2.First common mode protector 6 wraps up the dielectric heating portion 31 be exposed to outside the first sleeve pipe 4.First common mode protector 6 is overall structures, can by injection mo(u)ldings such as material contracting with heats.
The circular in cross-section of the first common mode protector 6 or ellipse, the shape of the first common mode protector 6 can be tubular, such as straight tube or conically shaped.But not as limit, it also can be other shape.
In one embodiment, the utility model electric heating tube component also comprises the second common mode protector 8.In this kind of situation, the electrical power source connection 32 of electric heating part 3 is extended to away from medium tube 1 direction by the second tube connector 7.
Second common mode protector 8 the second tube connector 7 and the first tube connector 2 junction molded and shaped, be sealedly attached to the first sleeve pipe 4, second sleeve pipe 5 and the second tube connector 7, and wrap up the electric heating part 3 that is exposed to outside the first sleeve pipe 4 and the second sleeve pipe 5.Second common mode protector 8 is overall structures, can by injection mo(u)ldings such as material contracting with heats.
See Fig. 3 A to Fig. 3 G.The threeway that second common mode protector 8 can be formed in one, comprises the first connecting portion 81, second connecting portion 82 and the 3rd connecting portion 83, is sealedly attached to the second tube connector 7, first sleeve pipe 4 end and the second sleeve pipe 5 end respectively.Further, the first connecting portion 81 of the second common mode protector 8 is in straight tube shape, and the second connecting portion 82 is in cone barrel, and the 3rd connecting portion 83 is in cone barrel.
In one embodiment, the utility model electric heating tube component also comprises one the 3rd common mode protector 9.The structure of the 3rd common mode protector 9 can be identical with the first common mode protector 6.3rd common mode protector 9 is molded and shaped with pin connector 33 junction at the electrical power source connection 32 of electric heating part 3, is sealedly attached to the second sleeve pipe 5 and pin connector 33, and wraps up the electrical power source connection 32 be exposed to outside the second sleeve pipe 5.
In one embodiment, the first common mode protector 6, second common mode protector 8 and the 3rd common mode protector 9 are formed each via low pressure injection formaing mode.First common mode protector 6, second common mode protector 8 and the 3rd common mode protector 9 can eliminate the stress of the first sleeve pipe 4 and the second sleeve pipe 5.Injection pressure scope is 0.2 ~ 0.4MPa, and important component part can be avoided as the damage of tube connector, medium tube 1 etc.
Although describe the utility model with reference to several exemplary embodiment, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Specifically can implement in a variety of forms due to the utility model and not depart from spirit or the essence of utility model, so be to be understood that, above-mentioned execution mode is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (19)
1. an electric heating tube component, is characterized in that, comprising:
Medium tube (1), for pumped (conveying) medium, an end of described medium tube (1) is provided with the first tube connector (2), and the other end is provided with the second tube connector (7);
Electric heating part (3), it comprises dielectric heating portion (31) and electrical power source connection (32), described dielectric heating portion (31) is located at described medium tube (1) and part described first tube connector (2) outer surface, for heating described medium, electrical power source connection (32) extends to away from described medium tube (1) direction, its end is provided with power supply Connection Element, in order to connect a power supply;
First sleeve pipe (4), is sheathed on described medium tube (1) outside, in order to protect described medium tube (1) and described dielectric heating portion (31);
Second sleeve pipe (5), is sheathed on described electrical power source connection (32) outside, in order to protect described electrical power source connection (32);
First common mode protector (6); molded and shaped in described medium tube (1) and described first tube connector (2) junction; be tightly connected described first sleeve pipe (4) and the first tube connector (2), and parcel is exposed to described first sleeve pipe (4) dielectric heating portion (31) outward.
2. electric heating tube component according to claim 1, is characterized in that, described power supply Connection Element is pin connector (33) or twin columns cable.
3. electric heating tube component according to claim 1, is characterized in that, described first tube connector (2) is linear pattern snap joint.
4. electric heating tube component according to claim 1, is characterized in that, described medium tube (1) is straight tube.
5. electric heating tube component according to claim 1, is characterized in that, described medium tube (1) is for having the bend pipe of at least one kink.
6. electric heating tube component according to claim 5, is characterized in that, the number of described kink is multiple, and multiple described kink is bending towards different directions respectively.
7. electric heating tube component according to claim 1, is characterized in that, described electric heating part (3) is at least one electric-heating belt or resistance wire.
8. electric heating tube component according to claim 1, it is characterized in that, the dielectric heating portion (31) of described electric heating part is in being placed in parallel in the outer surface of described medium tube (1) and the second tube connector (7) described in circle segment.
9. electric heating tube component according to claim 1, it is characterized in that, described dielectric heating portion (31) comprises and can be connected to described ring part (311) in the ring part (311) of described first tube connector (2) of part and symmetry and can be attached to two bar shaped portions (312) of described medium tube (1) by loop wire.
10. electric heating tube component according to claim 1, is characterized in that, described first sleeve pipe (4) is bellows, and/or described second sleeve pipe (5) is bellows.
11. electric heating tube components according to claim 1, is characterized in that, the circular in cross-section of the described first common mode protector (6) of tubular or ellipse.
12. electric heating tube components according to claim 11, is characterized in that, described first common mode protector (6) is in tubular.
13. electric heating tube components according to any one of claim 1-12, it is characterized in that, the electrical power source connection (32) of described electric heating part (3) is extended to away from described medium tube (1) direction by described second tube connector (7), and described electric heating tube component also comprises:
Second common mode protector (8); molded and shaped in described second tube connector (7) and described first tube connector (2) junction; be tightly connected described first sleeve pipe (4), the second sleeve pipe (5) and the second tube connector (7), and parcel is exposed to described first sleeve pipe (4) and the second sleeve pipe (5) electric heating part outward (3).
14. electric heating tube components according to claim 13, is characterized in that, described second tube connector (7) is 90 degree of snap joints or linear pattern snap joint.
15. electric heating tube components according to claim 13; it is characterized in that; the threeway that described second common mode protector (8) is formed in one; comprise the first connecting portion (81), the second connecting portion (82) and the 3rd connecting portion (83), be sealedly attached to described second tube connector (7), the first sleeve pipe (4) end and the second sleeve pipe (5) end respectively.
16. electric heating tube components according to claim 15; it is characterized in that; first connecting portion (81) of described second common mode protector (8) is in straight tube shape, and the second connecting portion (82) is in cone barrel, and the 3rd connecting portion (83) is in cone barrel.
17. electric heating tube components according to claim 13, is characterized in that, also comprise:
3rd common mode protector (9); the electrical power source connection (32) of described electric heating part (3) and the junction of described power supply Connection Element molded and shaped; be tightly connected described second sleeve pipe (5) and described power supply Connection Element, and parcel is exposed to described second sleeve pipe (5) electrical power source connection outward (32).
18. electric heating tube components according to claim 17; it is characterized in that; described first common mode protector (6), the second common mode protector (8) and the 3rd common mode protector (9) are formed each via low pressure injection formaing mode, and injection pressure scope is 0.2 ~ 0.4MPa.
19. electric heating tube components according to claim 17; it is characterized in that, described first common mode protector (6), the second common mode protector (8) and the 3rd common mode protector (9) can eliminate the stress of the first sleeve pipe (4) and the second sleeve pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407791.5U CN204104153U (en) | 2014-07-22 | 2014-07-22 | Electric heating tube component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407791.5U CN204104153U (en) | 2014-07-22 | 2014-07-22 | Electric heating tube component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204104153U true CN204104153U (en) | 2015-01-14 |
Family
ID=52272547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420407791.5U Expired - Lifetime CN204104153U (en) | 2014-07-22 | 2014-07-22 | Electric heating tube component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204104153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682267A (en) * | 2015-11-30 | 2016-06-15 | 芜湖恒美电热器具有限公司 | PTC heater with high-voltage wire fixing structure |
-
2014
- 2014-07-22 CN CN201420407791.5U patent/CN204104153U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682267A (en) * | 2015-11-30 | 2016-06-15 | 芜湖恒美电热器具有限公司 | PTC heater with high-voltage wire fixing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 214142 No. seventh standard factory of Shuo Nan Road, Shuwu District, Wuxi, Jiangsu Patentee after: Reify Allen (Wuxi) Automotive Parts Co.,Ltd. Address before: 214142 Xiangnan Road 7 unit, Shuo Fang Town, Wuxi New District, Wuxi, Jiangsu. Patentee before: Allen (Wuxi) Commercial Vehicle Parts Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |