CN1380493A - Direct-jet heating device and its special-purpose electroheating tube - Google Patents
Direct-jet heating device and its special-purpose electroheating tube Download PDFInfo
- Publication number
- CN1380493A CN1380493A CN 01113518 CN01113518A CN1380493A CN 1380493 A CN1380493 A CN 1380493A CN 01113518 CN01113518 CN 01113518 CN 01113518 A CN01113518 A CN 01113518A CN 1380493 A CN1380493 A CN 1380493A
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- electric heating
- heating tube
- bolt
- tube
- wire
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- 238000010438 heat treatment Methods 0.000 title abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims description 120
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 29
- 239000010935 stainless steel Substances 0.000 claims description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 19
- 239000000395 magnesium oxide Substances 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000003870 refractory metal Substances 0.000 claims description 6
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000002283 diesel fuel Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 3
- 235000017899 Spathodea campanulata Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229910000743 fusible alloy Inorganic materials 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The vehicle directly-jetted heater includes an electroheating tube with metal outer shell, heating element is placed in the electroheating tube, a bolt portion connected with power supply and placed in the electroheating tube for position and connecting with heating element, said bolt portion electroheating tube is placed in the centre of connecting screw threads, and heating element portion electroheating tube is placed in the flaming cover. The described flaming cover and connecting screw threads are connected into one body by means of threaded socket sleeve, between flaming cover and electro heating tube a metal screen is distributed, and the oil-gas nozzle placed on the threaded socket is passed through preheating cavity and communicated with metal screen. Said heater adopts special electroheating tube to produce high temperature to make gasified mixture implement large-area combustion in metal screen zone.
Description
The present invention relates to a kind of automobile-used heater and dedicated electric-thermal pipe thereof, belong to field of electric heating.
With diesel oil, gasoline is the Motor Vehicle of power, because of cryogenic conditions starts difficulty down, often help to realize cold-starting with various forms of heater plugs, these heater plugs are made thermal source with electric heating wire usually, be installed in the vortex chamber of engine cylinder cover, electric heating wire after the energising can only local heating be ejected into the fuel oil in the vortex chamber, its liberated heat is nowhere near whole motor is started down in cryogenic conditions, the cold-starting of diesel-oil vehicle particularly, in order to change the difficult shortcoming that starts of low temperature, occurred as Chinese patent CN94240180 described " automobile cold-starting device ", its heating source adopts PTC semiconductive ceramic heating sheet, PTC heating sheet is between radiating fin, its profile is the cylindrical of the outer chimb of band suitable for reading, be adapted to be mounted within the cylinder air inlet mouth of pipe, the effect of this starter is that preheating enters the air in the cylinder, but this preheating of air also only is a kind of heating of part, make the temperature part in the cylinder obtain raising, to help the startup of vehicle, for gasoline car, because of the gasoline burning-point low, this help effect is also more obvious, but for diesel-oil vehicle, because of the burning-point of diesel oil about 850 ℃, temperature also only reached 100 more and spends when the air by the heating of PTC heating sheet entered cylinder, under low-temperature condition, the heating heat of this part can not guarantee definitely that cylinder can normally start, and no matter be with the pre-heating oil of heater plug, still use the PTC preheated air, the power of heater is bigger, the time of required heating is also longer, and its power consumption often surpasses the delivery of storage battery, thus required storage battery electric weight can't guarantee normal starting motor the time.
The present invention provides a kind of direct flame in cylinder just in order to overcome above-mentioned deficiency, realizes the once successful fast direct spray type heater that starts of vehicle.
Second purpose of the present invention is to provide a kind of electric heating tube that is exclusively used in above-mentioned direct spray type heater.
It is a kind of through direct spray type heater electric heating tube improved, that the life-span is longer, temperature tolerance is high, the location is firm that the 3rd purpose of the present invention is to provide.
The realization of the present invention's first purpose is: a kind of direct spray type heater, comprise that one has the electric heating tube of metal shell, electric heating tube is built-in with heater element, it is characterized in that one can insert in the electric heating tube with location and connection heater element with the bolt part branch that power supply joins, bolt section electric heating tube places connecting thread central authorities, heater element section electric heating tube is located in the flame cover, described flame cover and connecting thread are one by the threaded block socket, be furnished with wire netting between flame cover and electric heating tube, the oil gas nozzle that is arranged on the threaded block communicates with described metal barrier through preheating cavity.When the present invention works, give the energising of the heater element in the electric heating tube earlier, heater element can make the shell of electric heating apparatus be warming up to 1000 ℃ in very short time, open the solenoid valve of control oil gas nozzle subsequently, make the vaporific preheating cavity that sprays into of fuel oil and high pressure air, mixed gas after the preheating cavity gasification enters the metal barrier, chance high temperature is got angry, gas mixture fully burns in the metal barrier, its flame is by the spouting cylinder that enters in the hole on the flame cover, the interior temperature of cylinder is raise rapidly, surpassed the diesel oil burning-point, realize the purpose of one-shot success.
The wire netting that the present invention is arranged between flame cover and electric heating tube metal shell generally makes with stainless steel, gets angry burning with the guiding mixed gas in the large size scope.
The high temperature that the present invention relies on electric heating tube to produce just, under the guiding of wire netting, make the large size burning in the metal barrier of aerosolized mixture gasification back, flame sprays in flame cover, cylinder directly sucks fireball, guaranteed that just bulk temperature raises rapidly in the cylinder, surpassed the diesel oil burning-point, thereby once just can successfully start.
The realization of the present invention's second purpose is: a kind of electric heating tube that is used for the direct spray type heater, the magnesia that comprises filling between stainless steel casing, electric heating wire and electric heating wire and the shell, it is characterized in that one can insert in the electric heating tube with the location with the bolt part branch that power supply joins and connects electric heating wire, also be filled with magnesia between described bolt and electric heating tube shell.This electric heating tube is often made heater element with Fe-Cr-Al wire, the bolt that is connected with Fe-Cr-Al wire can make the electric heating wire location place electric heating tube central authorities on the one hand, can be electric heating wire on the other hand and connect power supply, the magnesia of electric heating casing pack, rise and isolate and insulating effect, simultaneously the magnesia at bolt position also can fixing bolt, makes it be positioned at the central authorities of electric heating tube.
Utilized the structure of this kind electric heating tube just because of the direct spray type heater, by stainless steel casing with the high temperature on the wire netting, making mixed gas meet high temperature gets angry, provide fireball by flame cover to cylinder, make temperature cylinder surpass the diesel oil burning-point fast, final realization once can successfully start the purpose of vehicle.
Adopt the direct spray type heater of above-mentioned structure electric heating tube, really realized that low-temperature primary successfully starts vehicle fast, but because the heat generating material that above-mentioned electric heating tube adopts is a Fe-Cr-Al wire, because of its fusing point lower (1500 ℃), safety factor is little, and heating time can not be oversize, and the heatproof of electric heating wire has limited the increase of electric heating tube use power inadequately, be warmed to rated temperature required heating time thereby prolonged, both conflicting working life that directly influences heating pipe; In addition, the insulating medium of electric heating casing pack is a magnesium oxide, can magnesia operation inconvenience on the one hand, on the other hand, because of magnesia has certain fluidity, particularly electric heating tube is in the heating process, magnesia also has mobile, can not guarantee the insulation of electric heating wire and stainless steel casing fully, with the bolt of the magnesia location flowability because of magnesia, steadiness also is affected.
The realization of the present invention's the 3rd purpose is improved to reach on the heating pipe that second purpose is provided, promptly substitute original electric heating wire with refractory metal, cancellation magnesia changes and vacuumizes in the pipe, bolt is located with ceramic lining-tube, simultaneously in electric heating tube, establish a thermostable heat-conductive lining and be abutted against stainless steel casing, rise and conduct heat and buffer action.Specifically, a kind of improvement electric heating tube that is used for the direct spray type heater, the bolt that comprises stainless steel casing, electric heating wire, location and connection electric heating wire, described bolt part is placed in, and electric heating tube is outer can connect power supply, the electric heating tube that vacuumizes in it is characterized in that managing is made electric heating wire with refractory metal, be equipped with between electric heating wire and stainless steel casing and isolate, be equipped with between bolt and stainless steel casing and fixedly use ceramic lining-tube with thin-walled heat conduction lining.The refractory metal electric heating wire of indication of the present invention refers generally to tungsten, molybdenum, platinum etc., and the helical electric heating wire places electric heating tube central authorities by bolt, and the electric heating wire fusing point height of this type of material (above 3000 ℃) has solved the heatproof problem of electric heating wire; Thin-walled heat conduction lining mainly rises and conducts heat and buffer action, generally make by high temperature resistant materials such as pottery, magnesium oxide, wall thickness is usually below 1MM, fast heat is reached on the shell and wire netting of electric heating tube guaranteeing, simultaneously itself and the ceramic lining-tube of the fixing bolt insulating effect with tool fundamentally having solved the possibility of energising back generation short circuit.
In the improved electric heating tube, in order between the ceramic lining-tube of fixing bolt and bolt and the stainless steel casing all with the embedding of complex fire resistant glue, not only guaranteed intensity but also made the favorable sealing property of electric heating tube.
Improved electric heating tube is made heat generating material because of the refractory metal that adopts the easy oxidation of high temperature, so adopt the method that vacuumizes behind the first filling with inert gas to solve the anti-oxidant problem of heat generating material in the pipe.For the ease of vacuumizing, the bolt central authorities that improve electric heating tube are installed with a small through hole, and described small through hole begins to connect space in the electric heating tube from the one-way valve on the bolt.The setting of one-way valve can not be refunded the gas of extraction, and gas is extracted the back one-way valve out and sealed with low-melting alloy, guarantees the degree of vacuum in the electric heating tube.
Just by improvement to electric heating tube, the temperature tolerance and the steadiness of electric heating wire in the electric heating tube have been improved, make the access times of electric heating tube more than 1,000 times, compare with 300-500 time domestic standard, significantly improve working life, and also shorten dramatically heating time, uses on the direct spray type heater, make the life-span of direct spray type heater longer, more reliable performance.
Fig. 1 is the structural representation of direct spray type heater.
Fig. 2 is the structural representation of electric heating tube.
Fig. 3 is for improving the structural representation of electric heating tube.
Further specify the present invention below in conjunction with embodiment.
Embodiment 1, a kind of direct spray type heater, flame cover (1) is one with connecting thread (2) by threaded block (3) socket, it is built-in with electric heating tube (4), electric heating tube (4) is made shell (5) with stainless steel, make electric heating wire (6) with Fe-Cr-Al wire, location and what connect electric heating wire (6) is a bolt (7), this bolt (7) part is stretched out outside stainless steel casing (5), in order to connect power supply, between bolt (7) and stainless steel casing (5), all be filled with magnesia (8) between electric heating wire (6) and stainless steel casing (5), the electric heating tube (4) of bolt (7) section places connecting thread (2) central authorities, the electric heating tube (4) of electric heating wire (6) section is located in the flame cover (1), be furnished with stainless (steel) wire (9) between flame cover (1) and electric heating tube (4), threaded block (3) is provided with oil gas nozzle (10), and it communicates with described stainless (steel) wire (9) district by preheating cavity (11).
Embodiment 3, reference example 2, the electric heating tube that vacuumizes (4) is made electric heating wire (6) with molybdenum filament, bolt (7) central authorities of location and connection electric heating wire (6) are installed with a small through hole (15), this small through hole (15) begins to connect the interior space of electric heating tube (4) from the one-way valve (16) on the bolt (7), the setting of one-way valve (16) and small through hole (15) is to be convenient to electric heating tube (4) vacuumize and make the gas of extraction not refund, and gas is extracted back one-way valve (16) out and sealed with low-melting alloy.
Claims (10)
1. direct spray type heater, comprise that one has the electric heating tube of metal shell, electric heating tube is built-in with heater element, it is characterized in that one can insert in the electric heating tube with location and connection heater element with the bolt part branch that power supply joins, bolt section electric heating tube places connecting thread central authorities, heater element section electric heating tube is located in the flame cover, described flame cover and connecting thread are one by the threaded block socket, be furnished with wire netting between flame cover and electric heating tube, the oil gas nozzle that is arranged on the threaded block communicates with described metal barrier through preheating cavity.
2. heater according to claim 1, the wire netting that it is characterized in that being arranged between flame cover and electric heating tube metal shell is material with the stainless steel.
3. electric heating tube that is used for the direct spray type heater, the magnesia that comprises filling between stainless steel casing, electric heating wire and electric heating wire and the shell, it is characterized in that one can insert in the electric heating tube with the location with the bolt part branch that power supply joins and connects electric heating wire, also be filled with magnesia between described bolt and electric heating tube shell.
4. electric heating tube according to claim 3 is characterized in that electric heating wire is a Fe-Cr-Al wire.
5. improvement electric heating tube that is used for the direct spray type heater, the bolt that comprises stainless steel casing, electric heating wire, location and connection electric heating wire, described bolt part is placed in, and electric heating tube is outer can connect power supply, the electric heating tube that vacuumizes in it is characterized in that managing is made electric heating wire with refractory metal, be equipped with between electric heating wire and stainless steel casing and isolate, be equipped with between bolt and stainless steel casing and fixedly use ceramic lining-tube with thin-walled heat conduction lining.
6. electric heating tube according to claim 5 is characterized in that the material of the refractory metal electric heating wire in the electric heating tube is tungsten, molybdenum or platinum etc.
7. according to claim 5 or 6 described electric heating tubes, it is characterized in that electric heating wire places electric heating tube central authorities with helical.
8. electric heating tube according to claim 5, the wall thickness that it is characterized in that thin-walled heat conduction lining is below 1MM.
9. electric heating tube according to claim 5 is characterized in that between the ceramic lining-tube of fixing bolt and bolt and the electric heating tube shell all with the embedding of complex fire resistant glue.
10. according to claim 5,8, one of 9 described electric heating tubes, it is characterized in that the bolt central authorities of electric heating tube are installed with a small through hole, described small through hole begins to connect space in the electric heating tube from the one-way valve on the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113518 CN1215257C (en) | 2001-04-10 | 2001-04-10 | Direct-jet heating device and its special-purpose electroheating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01113518 CN1215257C (en) | 2001-04-10 | 2001-04-10 | Direct-jet heating device and its special-purpose electroheating tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1380493A true CN1380493A (en) | 2002-11-20 |
| CN1215257C CN1215257C (en) | 2005-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01113518 Expired - Fee Related CN1215257C (en) | 2001-04-10 | 2001-04-10 | Direct-jet heating device and its special-purpose electroheating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1215257C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157060A (en) * | 2014-05-30 | 2015-12-16 | 胡晋青 | Turbine combustion chamber |
| CN112855403A (en) * | 2020-11-26 | 2021-05-28 | 北京理工大学 | Flame preheating plug |
| CN113030808A (en) * | 2021-04-25 | 2021-06-25 | 贵州大学 | Local type low-temperature-change probe for nuclear magnetic resonance experiment and detection method thereof |
-
2001
- 2001-04-10 CN CN 01113518 patent/CN1215257C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157060A (en) * | 2014-05-30 | 2015-12-16 | 胡晋青 | Turbine combustion chamber |
| CN112855403A (en) * | 2020-11-26 | 2021-05-28 | 北京理工大学 | Flame preheating plug |
| CN112855403B (en) * | 2020-11-26 | 2021-11-02 | 北京理工大学 | Flame preheating plug |
| CN113030808A (en) * | 2021-04-25 | 2021-06-25 | 贵州大学 | Local type low-temperature-change probe for nuclear magnetic resonance experiment and detection method thereof |
| CN113030808B (en) * | 2021-04-25 | 2023-09-01 | 贵州大学 | Local low-temperature probe for nuclear magnetic resonance experiment and detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1215257C (en) | 2005-08-17 |
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Owner name: YIXING JUNYAO ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHU JUNJIE Effective date: 20130617 |
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Free format text: CORRECT: ADDRESS; FROM: 214200 WUXI, JIANGSU PROVINCE TO: 214203 WUXI, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130617 Address after: 11 No. 214203 Jiangsu city of Yixing Province Jincheng Road Economic Development Zone Patentee after: Yixing Jun Yao Electronic Technology Co., Ltd. Address before: 214200 Jiangsu city of Yixing province Yicheng Tucheng Village 8 102 room Patentee before: Zhu Junjie |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050817 Termination date: 20150410 |
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