CN206524996U - A kind of Macker type arc heater cooling of electrode structure - Google Patents
A kind of Macker type arc heater cooling of electrode structure Download PDFInfo
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- CN206524996U CN206524996U CN201720130663.4U CN201720130663U CN206524996U CN 206524996 U CN206524996 U CN 206524996U CN 201720130663 U CN201720130663 U CN 201720130663U CN 206524996 U CN206524996 U CN 206524996U
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Abstract
The utility model discloses a kind of Macker type arc heater cooling of electrode structure, including water inlet, discharge outlet and water stream channel, water inlet and discharge outlet are hole, water inlet is uniformly arranged in the side of the electrode, inner circle of the water inlet with the electrode is tangent, discharge outlet is arranged on the side of water inlet, and discharge outlet is parallel with water inlet, and water stream channel is provided between water inlet and discharge outlet.The utility model realizes the quick flowing of coolant by the tangentially-arranged water inlet and discharge outlet along electrode inner circle, overcomes the problem that current stagnation occurs in traditional cooling structure；By being uniformly arranged water inlet and discharge outlet, it is to avoid heater the situation of hot-spot occurs, compensate for the defect of traditional cooling structure cooling effect skewness in high power operation；By setting water stream channel respectively between three water inlets and three discharge outlet, the cooling effect of electrode is improved, the problem of traditional cooling structure service life is relatively low is solved.
Description
Technical field
The utility model is related to a kind of Macker type arc heater cooling of electrode structure, belongs to the pneumatic thermal protection of Aero-Space
Technical field.
Background technology
Electric arc heated testing equipment is the visual plant for carrying out Aerodynamic Heating ground simulation test research, and it mainly uses electricity
Interpolar produces high-temperature electric arc heating air, recycles corresponding jet pipe to form required high temperature, High Speed Flow Field, carries out Aerodynamic Heating
Ground experiment research in terms of protection.In recent years, with the development of space reentry vehicle and Hypersonic Weapon system, its
The extremely pneumatic thermal environment undergone during reentering air turns into the ultimate challenge that such hypersonic aircraft development is faced,
Exploitation thermal protection system TPS is needed to be protected by aircraft, and TPS research and development need ground simulation test equipment to reappear
Thermal environment on large-size components.Electro-arc heater heats the gases to thousands of to up to ten thousand degree using the high temperature of electric arc, to mould
Intend high temperature, height that high-speed aircraft is born such as hypersonic missile, reentry vehicle, space probe etc. in flight course
The external environment condition of pressure, uses exploratory flight device ablation resistance, heat-proof quality of material etc. to join under the conditions of special space
Number is significant.Due to the high temperature of degree up to ten thousand, therefore, Arc-jet test can not be obtained using conventional heater meanses
The effective means of atmospheric environment is reentered as current ground device.With human detection outside of the earth space deeply and
The development of hypersonic aircraft, in the urgent need to more high-power, more long-life electro-arc heater, to adapt to the fast of aerospace industry
Fast development need.
In the higher experiment of some operational factors, high-power laminated electro-arc heater electrode occurred electrode burn,
Situations such as electrode erosion leak, its basic reason is that the cooling of electrode is insufficient, causes hot-spot.By analyzing scaling loss
Electrode area finds that the position being burnt all near the root of Inlet and outlet water, illustrates in electrode running substantially, Inlet and outlet water root
Portion's cooling effect is relatively poor.Heat transfer point is carried out to traditional stacked electrode cooling structure using numerical modeling and analysis method
Analysis, it can be seen that occur in that current stagnation region in traditional stacked electrode normal direction Inlet and outlet water root, the heat exchange of whole electrode is very not
Uniformly, it is easy to the failure such as electrode erosion, electrode leak caused by causing Local Heat Transfer not good in the process of running.
Due to the cooling structure of current electrode be the normal direction along electrode inner circle according to certain interval, uniform inlet pipeline and
Outlet pipeline.Current stagnant wake, and cooling effect skewness can be formed using this structure, cooling capacity is with coolant
Flow to rapid decrement.In heater high power operation, easily cause hot-spot so as to the situation of scaling loss, therefore, be badly in need of
The cooling structure of existing Macker type arc heater electrode is improved.
Utility model content
The utility model solve technical problem be：Overcome the deficiencies in the prior art, the utility model provides a kind of folded
Chip electro-arc heater cooling of electrode structure, by the tangentially-arranged water inlet and discharge outlet along electrode inner circle, realizes cooling
The quick flowing of liquid, overcomes the problem that current stagnation occurs in traditional cooling of electrode structure；By be uniformly arranged water inlet and
Discharge outlet, it is to avoid heater the situation of hot-spot occurs, compensate for traditional cooling of electrode structure in high power operation
The defect of cooling effect skewness；By setting water stream channel respectively between three water inlets and three discharge outlet, improve
The cooling effect of electrode, solves the problem of traditional cooling of electrode structure service life is relatively low.
Technical solution of the present utility model is：
A kind of Macker type arc heater cooling of electrode structure, including three water inlets, three discharge outlet and water stream channel,
Three water inlets and three discharge outlet are hole, three water inlets are uniformly arranged in the side of the electrode, three water inlets are equal
Inner circle with the electrode is tangent, and three discharge outlet are separately positioned on the side of three water inlets, and three discharge outlet are respectively with three
Individual water inlet is parallel, and the water stream channel of circulation coolant is respectively provided between three water inlets and three discharge outlet.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, three water inlets and three discharge outlet
It is circular hole, the inner circle of the axis of three water inlets and three discharge outlet with the electrode is tangent, and water stream channel is open circles
Shape pipeline, the two ends of water stream channel are fixedly connected with three water inlets and three discharge outlet respectively.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, three water inlets, three discharge outlet,
The radius ratio of water stream channel is set to 1:0.8:1.2.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, three water inlets are respectively first to enter
The mouth of a river, the second water inlet and the 3rd water inlet；First water inlet, the second water inlet, the aperture all same of the 3rd water inlet, first
The pore diameter range of water inlet is set to 4~10mm.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, three discharge outlet are respectively first row
The mouth of a river, the second discharge outlet and the 3rd discharge outlet；3rd discharge outlet is arranged on the first water inlet side and parallel with the first water inlet,
First discharge outlet is arranged on the second water inlet side and parallel with the second water inlet, and the second discharge outlet is arranged on by the 3rd water inlet
Side and parallel with the 3rd water inlet.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, first water inlet and the first discharge outlet
Between connected by water stream channel.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, second water inlet and the second discharge outlet
Between connected by water stream channel.
In a kind of above-mentioned Macker type arc heater cooling of electrode structure, the 3rd water inlet and the 3rd discharge outlet
Between connected by water stream channel.
The beneficial effect of the utility model compared with prior art is：
【1】Water inlet of the present utility model and discharge outlet are configured along the tangential of electrode inner circle, effectively prevent biography
Normal direction of the stacked heater electrode cooling structure along electrode inner circle of uniting is intake, normal direction water outlet, improves the cooling effectiveness of electrode.
【2】Water stream channel of the present utility model uses hollow circular pipeline, has been obviously improved the flow velocity of coolant, effectively really
The cooling procedure for protecting whole electrode is more uniform, significantly extends the service life of stacked heater electrode.
【3】It is the utility model delicate structure, succinct efficient, general convenient, it is adaptable to various working environments, it is particularly suitable for use in
Jet pipe, venturi, lamination in electric arc heated equipment.
【4】Water stream channel of the present utility model is easy to repair and changed, and production cost is relatively low, with wide market
Application prospect.
Brief description of the drawings
Fig. 1 is the utility model structure chart
Fig. 2 is the utility model cut-away view
Wherein：1 water inlet；101 first water inlets；102 second water inlets；103 the 3rd water inlets；2 discharge outlet；201
One discharge outlet；202 second discharge outlet；203 the 3rd discharge outlet；3 water stream channels；
Embodiment
To make scheme of the present utility model more understand, explanation and specific embodiment are to the utility model below in conjunction with the accompanying drawings
It is further described：
As shown in Fig. 1~2, a kind of Macker type arc heater cooling of electrode structure, including three water inlets 1, three rows
The mouth of a river 2 and water stream channel 3, three water inlets 1 and three discharge outlet 2 are hole, and three are uniformly arranged in the side of the electrode
Water inlet 1, inner circle of three water inlets 1 with the electrode is tangent, and three discharge outlet 2 are separately positioned on three water inlets 1
Side, three discharge outlet 2 are parallel with three water inlets 1 respectively, and use is respectively equipped between three water inlets 1 and three discharge outlet 2
In the water stream channel 3 of circulation coolant.
Three water inlets 1 and three discharge outlet 2 are circular hole, and the axis of three water inlets 1 and three discharge outlet 2 is and institute
The inner circle for stating electrode is tangent, and water stream channel 3 is hollow circular pipeline, the two ends of water stream channel 3 respectively with three water inlets 1 and three
Individual discharge outlet 2 is fixedly connected.
Three water inlets 1, three discharge outlet 2, the radius ratios of water stream channel 3 are set to 1:0.8:1.2.
It is preferred that, three water inlets 1 are respectively the first water inlet 101, the second water inlet 102 and the 3rd water inlet 103；The
One water inlet 101, the second water inlet 102, the aperture all same of the 3rd water inlet 103, the pore diameter range of the first water inlet 101 are set
For 5mm.
Three discharge outlet 2 are respectively the first discharge outlet 201, the second discharge outlet 202 and the 3rd discharge outlet 203；3rd draining
Mouth 203 is arranged on the side of the first water inlet 101 and parallel with the first water inlet 101, and the first discharge outlet 201 is arranged on second and enters water
Beside mouth 102 and parallel with the second water inlet 102, the second discharge outlet 202 is arranged on the side of the 3rd water inlet 103 and entered with the 3rd
The mouth of a river 103 is parallel.
Connected between first water inlet 101 and the first discharge outlet 201 by water stream channel 3.
Connected between second water inlet 102 and the second discharge outlet 202 by water stream channel 3.
Connected between 3rd water inlet 103 and the 3rd discharge outlet 203 by water stream channel 3.
Water inlet 1 and the end face distance of discharge outlet 2 are set to 20~30mm.
Water inlet 1 and the minimum sectional area of discharge outlet 2 are set to 10mm2。
The sectional area scope of water stream channel 3 is 8~12mm2。
Operation principle of the present utility model is：
When Macker type arc heater electrode needs cooling, while the first water inlet 101 of coolant injection, second are entered
The water inlet 103 of the mouth of a river 102 and the 3rd, coolant quickly through three water inlets 1 and water stream channel 3 intersection and enter current
Passage 3, persistently fills coolant, until coolant is simultaneously from the first discharge outlet 201, the second discharge outlet 202 and the 3rd discharge outlet
203 outflows, you can ensure the overall quick cooling of Macker type arc heater electrode.
The content not being described in detail in the utility model specification is known to the skilled person technology.
Claims (8)
1. a kind of Macker type arc heater cooling of electrode structure, it is characterised in that：Including three water inlets (1), three drainings
Mouth (2) and water stream channel (3), three water inlets (1) and three discharge outlet (2) are hole, are uniformly set in the side of the electrode
Three water inlets (1) are put, inner circle of three water inlets (1) with the electrode is tangent, and three discharge outlet (2) are separately positioned on three
The side of individual water inlet (1), three discharge outlet (2) are parallel with three water inlets (1) respectively, three water inlets (1) and three rows
The water stream channel (3) of circulation coolant is respectively provided between the mouth of a river (2).
2. a kind of Macker type arc heater cooling of electrode structure according to claim 1, it is characterised in that：Described three
Water inlet (1) and three discharge outlet (2) are circular hole, the axis of three water inlets (1) and three discharge outlet (2) with the electricity
The inner circle of pole is tangent, and water stream channel (3) is hollow circular pipeline, the two ends of water stream channel (3) respectively with three water inlets (1) and
Three discharge outlet (2) are fixedly connected.
3. a kind of Macker type arc heater cooling of electrode structure according to claim 1 or 2, it is characterised in that：It is described
Three water inlets (1), three discharge outlet (2), the radius ratios of water stream channel (3) are set to 1:0.8:1.2.
4. a kind of Macker type arc heater cooling of electrode structure according to claim 3, it is characterised in that：Described three
Water inlet (1) is respectively the first water inlet (101), the second water inlet (102) and the 3rd water inlet (103)；First water inlet
(101), the second water inlet (102), the aperture all same of the 3rd water inlet (103), the pore diameter range of the first water inlet (101) are set
For 4~10mm.
5. a kind of Macker type arc heater cooling of electrode structure according to claim 3, it is characterised in that：Described three
Discharge outlet (2) is respectively the first discharge outlet (201), the second discharge outlet (202) and the 3rd discharge outlet (203)；3rd discharge outlet
(203) it is arranged on beside the first water inlet (101) and parallel with the first water inlet (101), the first discharge outlet (201) is arranged on the
Beside two water inlets (102) and parallel with the second water inlet (102), the second discharge outlet (202) is arranged on the 3rd water inlet (103)
Side and parallel with the 3rd water inlet (103).
6. a kind of Macker type arc heater cooling of electrode structure according to claim 5, it is characterised in that：Described first
Connected between water inlet (101) and the first discharge outlet (201) by water stream channel (3).
7. a kind of Macker type arc heater cooling of electrode structure according to claim 5, it is characterised in that：Described second
Connected between water inlet (102) and the second discharge outlet (202) by water stream channel (3).
8. a kind of Macker type arc heater cooling of electrode structure according to claim 5, it is characterised in that：Described 3rd
Connected between water inlet (103) and the 3rd discharge outlet (203) by water stream channel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130663.4U CN206524996U (en) | 2017-02-14 | 2017-02-14 | A kind of Macker type arc heater cooling of electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130663.4U CN206524996U (en) | 2017-02-14 | 2017-02-14 | A kind of Macker type arc heater cooling of electrode structure |
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| CN206524996U true CN206524996U (en) | 2017-09-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949139A (en) * | 2017-11-29 | 2018-04-20 | 中国航天空气动力技术研究院 | A kind of serially connected arc plasma generator |
| CN108267169A (en) * | 2017-12-27 | 2018-07-10 | 中国航天空气动力技术研究院 | Thermal environment parameter measuring device inside a kind of electro-arc heater |
| CN109655226A (en) * | 2018-12-07 | 2019-04-19 | 中国航天空气动力技术研究院 | Macker type arc heater working characteristics diagnostic system and diagnostic method |
| CN112672454A (en) * | 2020-12-30 | 2021-04-16 | 中国航天空气动力技术研究院 | Inner wall air film of electric arc heater |
| CN112738938A (en) * | 2020-12-30 | 2021-04-30 | 中国航天空气动力技术研究院 | High thermal efficiency tubular electric arc heater |
-
2017
- 2017-02-14 CN CN201720130663.4U patent/CN206524996U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949139A (en) * | 2017-11-29 | 2018-04-20 | 中国航天空气动力技术研究院 | A kind of serially connected arc plasma generator |
| CN108267169A (en) * | 2017-12-27 | 2018-07-10 | 中国航天空气动力技术研究院 | Thermal environment parameter measuring device inside a kind of electro-arc heater |
| CN109655226A (en) * | 2018-12-07 | 2019-04-19 | 中国航天空气动力技术研究院 | Macker type arc heater working characteristics diagnostic system and diagnostic method |
| CN109655226B (en) * | 2018-12-07 | 2020-11-10 | 中国航天空气动力技术研究院 | Laminated arc heater working characteristic diagnosis system and diagnosis method |
| CN112672454A (en) * | 2020-12-30 | 2021-04-16 | 中国航天空气动力技术研究院 | Inner wall air film of electric arc heater |
| CN112738938A (en) * | 2020-12-30 | 2021-04-30 | 中国航天空气动力技术研究院 | High thermal efficiency tubular electric arc heater |
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