CN207703500U - A kind of heater electrode - Google Patents
A kind of heater electrode Download PDFInfo
- Publication number
- CN207703500U CN207703500U CN201721818312.9U CN201721818312U CN207703500U CN 207703500 U CN207703500 U CN 207703500U CN 201721818312 U CN201721818312 U CN 201721818312U CN 207703500 U CN207703500 U CN 207703500U
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- CN
- China
- Prior art keywords
- inner casing
- ring
- guide sleeve
- flow guide
- reinforcing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of heater electrodes, including：Inner casing, flow guide sleeve and shell；The internal face of inner casing is cylindrical surface；The outside wall surface of inner casing is evenly equipped with a plurality of reinforcing rib, the equal length of the length of reinforcing rib and the outside wall surface of inner casing in an axial direction；Each reinforcing rib is uniformly distributed at equal intervals, and a bypass channel is formed between two adjacent reinforcing ribs；The both ends of inner casing are respectively arranged with the first reinforcing ring and the second reinforcing ring；Flow guide sleeve is fixed on the outside of inner casing, and the internal face of flow guide sleeve is bonded with the outside wall surface of each reinforcing rib；The both ends of flow guide sleeve are respectively arranged with point water ring and collecting ring；Shell is fixed on the first reinforcing ring of the outside of flow guide sleeve, the internal face of shell and the outside wall surface of flow guide sleeve and inner casing and the sealing of the second reinforcing ring is fixed；The both ends of shell are respectively arranged with multiple inlet openings and multiple apopores.Solves the problems, such as the existing easy scaling loss of heater electrode under high-power state by the utility model.
Description
Technical field
The utility model belongs to aircraft thermal protection struc ture examination Laboratory Simulation field more particularly to a kind of heater electricity
Pole.
Background technology
High-power (e.g., stagnation pressure is more than 5MPa, and power is more than 30MW) heater is aircraft thermal protection struc ture examination ground
Face simulated test facility, for the thermal environment that simulated flight device is met in flight, heater electrode is high-power heating
The important component of device.
In course of new aircraft development process, to 1：The demand of the Aerodynamic Heating ground simulation test of 1 full-scale true model
It is more and more prominent.The electric arc heated test platform of current small-power, low-flow stagnation pressure, since the limitation of power can only undertake one
The ground experiment research work of a little heat insulation materials and component home can not carry out the ground examination of the heat structure performance of component-level
Research, in other words, meets large scale 1：The large power electric arc free jet test facility of 1 full-scale true model still belongs at present
Blank.
Utility model content
The technology of the utility model solves the problems, such as：Overcome the deficiencies of the prior art and provide a kind of heater electrode, it is intended to solve
Certainly under high-power state the problem of existing heater electrode easy scaling loss.
In order to solve the above-mentioned technical problem, the utility model discloses a kind of heater electrodes, including：Inner casing (1), water conservancy diversion
Cover (2) and shell (3)；
The internal face of inner casing (1) is cylindrical surface；The outside wall surface of inner casing (1) is evenly equipped with a plurality of reinforcing rib (101) in an axial direction, adds
The equal length of the length of strengthening tendons and the outside wall surface of inner casing (1)；Wherein, each reinforcing rib is uniformly distributed at equal intervals, and adjacent two add
A bypass channel (102) is formed between strengthening tendons；The both ends of inner casing (1) are respectively arranged with the first reinforcing ring (103) and the second reinforcing ring
(104)；
Flow guide sleeve (2) is fixed on the outside of inner casing (1), the outer wall face paste of the internal face of flow guide sleeve (2) and each reinforcing rib
It closes；Wherein, the both ends of flow guide sleeve (2) are respectively arranged with a point water ring (201) and collecting ring (202)；
Shell (3) is fixed on the outside of flow guide sleeve (2), the outside wall surface and inner casing of the internal face and flow guide sleeve (2) of shell (3)
(1) the first reinforcing ring (103) and the second reinforcing ring (104) sealing is fixed；Wherein, the both ends of shell (3) are respectively arranged with more
A inlet opening (301) and multiple apopores (302).
In above-mentioned heater electrode, multiple inlet openings (301) divide water ring (201), multiple bypass channels (102), collecting ring
(202) it is connected to multiple apopores (302), constitutes cooling-water duct (4).
In above-mentioned heater electrode, the thickness of inner casing is：2~5mm.
In above-mentioned heater electrode, the difference of the outer diameter of reinforcing ring and the outer diameter of inner casing is：10~30mm.
In above-mentioned heater electrode, the quantity of reinforcing rib is：40~60.
In above-mentioned heater electrode, the width of reinforcing rib is 2~5mm, a height of 3~8mm.
In above-mentioned heater electrode,
It is 10~25mm to divide the width of water ring, and depth is 2~10mm；
The width of collecting ring is 10~25mm, and depth is 2~10mm；
Divide the sectional area of water ring identical as the sectional area of collecting ring；
The sum of the sectional area for dividing the sectional area of water ring to be more than multiple bypass channels.
In above-mentioned heater electrode,
The sum of sectional area of multiple inlet openings is equal with the sum of the sectional area of multiple apopores；
The sum of sectional area of multiple inlet openings is equal with the sum of the sectional area of multiple bypass channels.
In above-mentioned heater electrode, inner casing, flow guide sleeve and the mutual contact surface of shell are connected using welding procedure.
In above-mentioned heater electrode, sealing welding is used between the internal face of shell and the first reinforcing ring and the second reinforcing ring
It connects.
The utility model has the following advantages：
Heater electrode described in the utility model is evenly equipped with a plurality of reinforcing rib in an axial direction in the outside wall surface of inner casing, reinforces
Muscle length and inner casing outside wall surface equal length, increase inner casing film-cooled heat, enable cooling water Uniform Flow, enhance inner casing
The performance of heat resistanceheat resistant airflow scouring.Secondly, the thickness of inner casing can be 2~5mm, compare traditional electrode, adding described in utility model
The inner casing of hot device electrode is thinner, enhances the heat dissipation performance of inner casing.In addition, the contact of inner casing, flow guide sleeve with shell from each other
Face connects into an entirety using welding procedure, further enhances the heat dissipation performance and intensity of inner casing.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of heater electrode in the utility model embodiment；
Fig. 2 is a kind of structural schematic diagram of inner casing in the utility model embodiment；
Fig. 3 is a kind of sectional view of inner casing in the utility model embodiment；
Fig. 4 is a kind of front view of flow guide sleeve in the utility model embodiment；
Fig. 5 is a kind of structural schematic diagram of shell in the utility model embodiment.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
The public embodiment of type is described in further detail.
Referring to Fig.1, a kind of structural schematic diagram of heater electrode in the utility model embodiment is shown.It is new in this practicality
In type embodiment, the heater electrode, including：Inner casing 1, flow guide sleeve 2 and shell 3.Wherein, flow guide sleeve 2 is arranged in inner casing 1
Outside, shell 3 are arranged in the outside of flow guide sleeve 2.
With reference to Fig. 2, a kind of structural schematic diagram of inner casing in the utility model embodiment is shown.With reference to Fig. 3, this is shown
A kind of sectional view of inner casing in utility model embodiment.If the internal face of Fig. 1~3, inner casing 1 can be cylindrical surface.Outside inner casing 1
Wall surface is evenly equipped with a plurality of reinforcing rib 101, the equal length of the length of reinforcing rib and the outside wall surface of inner casing 1 in an axial direction；Each item is reinforced
Muscle is uniformly distributed at equal intervals, and a bypass channel 102 is formed between two adjacent reinforcing ribs.The both ends of inner casing 1 are respectively arranged with first and add
103 and second reinforcing ring 104 of strong ring.
With reference to Fig. 4, a kind of front view of flow guide sleeve in the utility model embodiment is shown.Such as Fig. 1~4, flow guide sleeve 2 is consolidated
It is scheduled on the outside of inner casing 1, the internal face of flow guide sleeve 2 is bonded with the outside wall surface of each reinforcing rib.Wherein, the both ends of flow guide sleeve 2 point
It is not provided with point water ring 201 and collecting ring 202.
With reference to Fig. 5, a kind of structural schematic diagram of shell in the utility model embodiment is shown.Such as Fig. 1~5, shell 3 is consolidated
It is scheduled on the outside of flow guide sleeve 2, the internal face of shell 3 and the outside wall surface of flow guide sleeve 2 and the first reinforcing ring 103 and second of inner casing 1
The sealing of reinforcing ring 104 is fixed；Wherein, the both ends of shell 3 are respectively arranged with multiple inlet openings 301 and multiple apopores 302.
Preferably, water ring 201, multiple bypass channels 102, collecting ring 202 and multiple apopores 302 are divided in multiple inlet openings 301
Connection constitutes cooling-water duct 4.Cooling water uniformly cools down inner casing by the cooling-water duct.Wherein, cooling water
Channel needs to meet：It is not deformed and leaks under 10MPa hydraulic pressure.
It should be noted that the sectional area of cooling-water duct is determined by cooling water flow and cooling water pressure, cooling flow
Amount and cooling water pressure are by avoiding the heat flow density in face from determining in inner casing.
Preferably, the thickness of inner casing is：2~5mm.
Preferably, the difference of the outer diameter of the outer diameter and inner casing of reinforcing ring is：10~30mm.
Preferably, the quantity of reinforcing rib is：40~60.
Preferably, the width of reinforcing rib is 2~5mm, a height of 3~8mm.
Preferably, it is 10~25mm to divide the width of water ring, and depth is 2~10mm；The width of collecting ring is 10~25mm, deep
Degree is 2~10mm；Divide the sectional area of water ring identical as the sectional area of collecting ring；The sectional area of water ring is divided to be more than multiple bypass channels
The sum of sectional area.
Preferably, the sum of sectional area of multiple inlet openings is equal with the sum of the sectional area of multiple apopores；Multiple inlet openings
The sum of sectional area it is equal with the sum of the sectional area of multiple bypass channels.
Preferably, the width of reinforcing rib is 2~5mm, is highly 3~8mm；The width of bypass channel is 2~5mm.
Preferably, inner casing, flow guide sleeve and the mutual contact surface of shell connect (e.g., vacuum brazing using welding procedure
Technique).
Preferably, sealing welding is used between the internal face of shell and the first reinforcing ring and the second reinforcing ring.
In a preferred embodiment of the utility model,
Inner casing may be used fine copper or Cu alloy material is processed to obtain, and (selection principle is：Fusing point is not less than 900 DEG C, thermal conductivity
Rate is not less than 300Wm-1·K-1, tensile strength is not less than 280MPa).It further, can be by the outside wall surface of inner casing
Multiple bypass channels are milled out, and then form a plurality of reinforcing rib；Alternatively, by welding a plurality of reinforcing rib in the outside wall surface of inner casing, into
And form multiple bypass channels.
Stainless steel may be used in flow guide sleeve or pure copper material is processed to obtain.Flow guide sleeve is welded in the outside wall surface of reinforcing rib.
Shell may be used stainless steel material and process to obtain.The internal face of shell and the outside wall surface of flow guide sleeve and inner casing plus
Strong boxing is connected together.
In conclusion heater electrode described in the utility model, a plurality of add is evenly equipped in the outside wall surface of inner casing in an axial direction
Strengthening tendons, reinforcing rib length and inner casing outside wall surface equal length, increase inner casing film-cooled heat, enable cooling water Uniform Flow,
Enhance the performance of inner casing heat resistanceheat resistant airflow scouring.Secondly, the thickness of inner casing can be 2~5mm, compare traditional electrode, practical new
The inner casing of heater electrode described in type is thinner, enhances the heat dissipation performance of inner casing.In addition, inner casing, flow guide sleeve and shell are mutual
Between contact surface one entirety is connected into using welding procedure, further enhance the heat dissipation performance and intensity of inner casing.Pass through this
Heater electrode described in utility model meets the operation demand of high-power, meets 1：1 full-scale true model is to gas
Move the demand of hot ground simulation test.
It is proved by testing, heater electrode described in the utility model can be in the operating mode of maximum arc current 5000A
Lower safe and stable operation.Inner casing can bear the internal gas flow pressure of 10MPa and the external cooling water pressure of 10MPa, and inner casing exists
10000 DEG C of airflow scourings can be born under the action of cooling water；Shell can bear 10MPa inside cooling water pressure and
10MPa axial tensions；Meet requirement of the high-power heater to electrode.
Each embodiment in this explanation is described in a progressive manner, the highlights of each of the examples are with its
The difference of his embodiment, the same or similar parts between the embodiments can be referred to each other.
The best specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
The content not being described in detail in the utility model specification belongs to the known technology of professional and technical personnel in the field.
Claims (10)
1. a kind of heater electrode, which is characterized in that including：Inner casing (1), flow guide sleeve (2) and shell (3)；
The internal face of inner casing (1) is cylindrical surface；The outside wall surface of inner casing (1) is evenly equipped with a plurality of reinforcing rib (101), reinforcing rib in an axial direction
Length and inner casing (1) outside wall surface equal length；Wherein, each reinforcing rib is uniformly distributed at equal intervals, two adjacent reinforcing ribs
Between form a bypass channel (102)；The both ends of inner casing (1) are respectively arranged with the first reinforcing ring (103) and the second reinforcing ring
(104)；
Flow guide sleeve (2) is fixed on the outside of inner casing (1), and the internal face of flow guide sleeve (2) is bonded with the outside wall surface of each reinforcing rib；Its
In, the both ends of flow guide sleeve (2) are respectively arranged with a point water ring (201) and collecting ring (202)；
Shell (3) is fixed on the outside of flow guide sleeve (2), the internal face of shell (3) and the outside wall surface of flow guide sleeve (2) and inner casing (1)
The first reinforcing ring (103) and the second reinforcing ring (104) sealing fix；Wherein, the both ends of shell (3) be respectively arranged with it is multiple into
Water hole (301) and multiple apopores (302).
2. heater electrode according to claim 1, which is characterized in that multiple inlet openings (301) divide water ring (201), more
A bypass channel (102), collecting ring (202) are connected to multiple apopores (302), constitute cooling-water duct (4).
3. heater electrode according to claim 1, which is characterized in that the thickness of inner casing is：2~5mm.
4. heater electrode according to claim 1, which is characterized in that the difference of the outer diameter of reinforcing ring and the outer diameter of inner casing
For：10~30mm.
5. heater electrode according to claim 1, which is characterized in that the quantity of reinforcing rib is：40~60.
6. heater electrode according to claim 1, which is characterized in that the width of reinforcing rib is 2~5mm, a height of 3~8mm.
7. heater electrode according to claim 1, which is characterized in that
It is 10~25mm to divide the width of water ring, and depth is 2~10mm；
The width of collecting ring is 10~25mm, and depth is 2~10mm；
Divide the sectional area of water ring identical as the sectional area of collecting ring；
The sum of the sectional area for dividing the sectional area of water ring to be more than multiple bypass channels.
8. heater electrode according to claim 1, which is characterized in that
The sum of sectional area of multiple inlet openings is equal with the sum of the sectional area of multiple apopores；
The sum of sectional area of multiple inlet openings is equal with the sum of the sectional area of multiple bypass channels.
9. heater electrode according to claim 1, which is characterized in that inner casing, flow guide sleeve and shell are mutual to be connect
Contacting surface is connected using welding procedure.
10. heater electrode according to claim 1, which is characterized in that the internal face of shell and the first reinforcing ring and
Sealing welding is used between two reinforcing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818312.9U CN207703500U (en) | 2017-12-22 | 2017-12-22 | A kind of heater electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721818312.9U CN207703500U (en) | 2017-12-22 | 2017-12-22 | A kind of heater electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703500U true CN207703500U (en) | 2018-08-07 |
Family
ID=63027814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721818312.9U Expired - Fee Related CN207703500U (en) | 2017-12-22 | 2017-12-22 | A kind of heater electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072535A (en) * | 2017-12-22 | 2018-05-25 | 中国航天空气动力技术研究院 | A kind of heater electrode |
-
2017
- 2017-12-22 CN CN201721818312.9U patent/CN207703500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072535A (en) * | 2017-12-22 | 2018-05-25 | 中国航天空气动力技术研究院 | A kind of heater electrode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20181222 |