CN104912633A - Electrical heating device for vehicle exhaust emission - Google Patents
Electrical heating device for vehicle exhaust emission Download PDFInfo
- Publication number
- CN104912633A CN104912633A CN201510311717.2A CN201510311717A CN104912633A CN 104912633 A CN104912633 A CN 104912633A CN 201510311717 A CN201510311717 A CN 201510311717A CN 104912633 A CN104912633 A CN 104912633A
- Authority
- CN
- China
- Prior art keywords
- electric heating
- cylinder
- electric heater
- vehicle exhaust
- heater sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000010438 heat treatment Methods 0.000 title abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005485 electric heating Methods 0.000 claims description 33
- 239000010410 layer Substances 0.000 claims description 16
- 239000011253 protective coating Substances 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 238000012946 outsourcing Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001413 cellular effect Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to an electrical heating device for vehicle exhaust emission, belongs to the technical field of vehicle exhaust pollutant emission reduction and aims to solve the problem of poor low-temperature exhaust catalytic conversion effects. A main body (1) is formed by a plurality of concentric gas guide cylinders (4) filled with cellular packing bodies (19), each gas guide cylinder (4) is formed by a corresponding electrical heater sleeve (6) or two adjacent electrical heater sleeves (6), electrical heating bodies (7) in regular distribution are fixedly mounted in each electrical heater sleeve (6) in a sealing insulation manner, a power outgoing line (12) is led out of each electrical heater sleeve (6) in a parallel connection manner and in a sealing insulation manner, and the electrical heating device further comprises a temperature controller (15). The electrical heating device for vehicle exhaust emission has the advantages that total electrical heating power is increased conveniently, uniform heating is benefitted and the size of the electrical heating device is decreased beneficially; after the electrical heating device and a catalytic converter are mounted together, heating speed of low-temperature exhaust can be increased uniformly and greatly particularly for vehicle cold starting, and accordingly, catalytic conversion effects are improved and vehicle exhaust pollution is reduced; the electrical heating device is easy to manufacture and long in service life.
Description
Technical field
The invention belongs to automobile exhaust pollution thing technical field of emission reduction, relate to a kind of electric heating heat riser for motor vehicle exhaust emission.
Background technique
In pollution reduction technology in existing control motor vehicle exhaust emission, all adopt tail gas catalyzed treatment technology, both in vehicle vent gas discharging pipe, catalytic converter was housed, and the optimum working temperature of catalyzer is all more than 250 DEG C, otherwise does not reach the effect of catalyzed conversion; Cold-starting automobile in reality, interval stop after restart and under of short duration parking, idling and small load condition, exhaust emissions temperature is generally all lower than 250 DEG C, catalyzer scarcely works or acts on minimum, therefore, causes the existence that pollution emission is general and a large amount of.
Discharge and the inoperative problem of catalytic converter for solving automobile low temperature exhaust gas, Chinese patent ZL2013208953957 provides a kind of Automatic-heating heat riser for motor vehicle exhaust emission, before being fitted in catalytic converter, its deficiency is: because its accumulation of heat is held concurrently heat exchanger and the split type combination of bypass line, take up room large, its air guide of another aspect heat exchanging tube system architecture of holding concurrently is complicated, not easily makes, and easy break-down, and low to tail gas heating warming velocity.
Summary of the invention
The technical problem solved:
Be provided for the electric heating heat riser of motor vehicle exhaust emission, the deficiencies in the prior art can be overcome, adopt electric heating device and the honeycomb filler build heat conduction structure of many annulus cylinder uniform distribution type, evenly can improve the warming velocity to low temperature exhaust gas greatly, structure is simple, take up room little, easily manufacture installation, easily with catalytic converter support the use.
The technological scheme adopted:
For the electric heating heat riser of motor vehicle exhaust emission, there is the housing of outsourcing thermal-protective coating, electric heater and electrical control mechanism, it is characterized in that: described housing is made up of main body and sealing is welded in the two-port of main body respectively the left and right interface of tail gas; Described main body ecto-entad is made up of 2 ~ 8 gas cylinders successively, is all fixed with honeycomb filling body in each gas cylinder; The gas cylinder of outermost is made up of the electric heater sleeve of urceolus and outermost, interior gas cylinder is made up of interior electric heater sleeve, middle gas cylinder is made up of corresponding two adjacent electric heater sleeves respectively, and the left and right interface of described tail gas respectively sealing is welded on the extension mouth at urceolus two ends; In each electric heater sleeve, equal sealed insulation formula is fixed with the electric heating member of regular distribution, and all has corresponding power outlet.
Beneficial effect:
For the electric heating heat riser of motor vehicle exhaust emission, adopt electric heater tube-in-tube structure and the honeycomb filler build heat conduction structure of multilayer loop cylinder uniform distribution type, be convenient to improve electrically heated total output, be beneficial to homogeneous heating, be beneficial to the volume reducing electric heating heat riser; Evenly can improve the warming velocity to low temperature exhaust gas greatly, therefore, with the supporting installation of catalytic converter after, particularly to cold start-up, be very beneficial for reduce discharging, catalyzed conversion effect can be improved greatly, reduce automobile exhaust pollution; Take up room little, easy fabrication and installation, long service life, be convenient to catalytic converter supportingly to install and use.
Fig. 1, general structure axially cut open figure;
Fig. 2, cut open figure by the A-A shown in Fig. 1;
Fig. 3, electric heater sleeve 6 arc local expansion electric heating member 7 be fixedly mounted with figure;
The overall package figure of Fig. 4, electric heating member 7;
The three-dimensional view of Fig. 5, honeycomb filling body 19;
Fig. 6, to scheme by the amplification I shown in Fig. 1.
Embodiment
Illustrate in detail further by reference to the accompanying drawings; In figure, arrow shows for exhaust gas flow direction.
As shown in figs. 1 to 6, for the electric heating heat riser of motor vehicle exhaust emission, there is the housing of outsourcing thermal-protective coating 20, electric heater and electrical control mechanism; Described housing is made up of main body 1 and sealing is welded on the tail gas in the two-port of main body 1 respectively left and right interface 2,3; Described main body 1 ecto-entad is made up of 2 ~ 8 gas cylinders 4 successively, is all fixed with honeycomb filling body 19 in each gas cylinder 4; The gas cylinder 4 of outermost is made up of the electric heater sleeve 6 of urceolus 5 and outermost, interior gas cylinder 4 is made up of interior electric heater sleeve 6, middle gas cylinder 4 is made up of corresponding two adjacent electric heater sleeves 6 respectively, described tail gas left and right connect 2,3 respectively sealing be welded on the extension mouth at urceolus 5 two ends; In each electric heater sleeve 6, equal sealed insulation formula is fixed with the electric heating member 7 of regular distribution, and all has corresponding power outlet 12.
As shown in figures 1-4, in electric heater sleeve 6, sealed insulation formula is fixed with the concrete structure of the electric heating member 7 of regular distribution and is, electric heating member 7 is flexible snakelike in having, each electric heating member 7 is all set with insulation porcelain ring 8, electric heating member 7 even distribution type used is contained in electric heater sleeve 6, and be uniformly parallelly welded on power outlet 12, by left in the inner chamber of each electric heater sleeve 6, right shrouding 9, 10 be packaged with insulation and the magnesium powder 11 of heat conduction, the power outlet 12 of each electric heater sleeve 6 is together parallel with one another after right shrouding 10 is drawn respectively, and introduce ABAP Adapter through bus 13 by the power interface 14 on the right interface 3 of tail gas, the temp controller 15 of auto-open-close electric heating member 7 is also housed in the right interface 3 of tail gas, when the exhaust temperature of discharge is lower than 200 DEG C, or during higher than 530 DEG C, temp controller 15 automatically switch on power respectively start electric heating member 7 heat, or auto power off stops electric heating member 7 to heat, the total output of electric heating member 7 used should be adaptive with the air displacement of automobile or motor, in order to the effect improved tail gas heating, main body 1 is made with integral braze-welded technique, before integral braze-welded, in advance by each left shrouding 9 seal welding in the left port of corresponding electric heater sleeve 6, after main body 1 is integral braze-welded, again the appropriate section of electric heating member 7, power outlet 12 and magnesium powder 11 are loaded in the inner chamber of electric heater sleeve 6, finally by each right shrouding 10 seal welding in the right output port of corresponding electric heater sleeve 6, and sealed insulation formula draw power outlet 12.
As shown in Figure 5, the structure of honeycomb filling body 19 is, the corrosion resistant plate that honeycomb filling body 19 is 0.03 ~ 0.12mm with thickness processes, and with annulus cylinder 18 profile shaft in the inner chamber inserting gas cylinder 4, and is welded to each other together; Annulus cylinder 18 is laid in roll together on dull and stereotyped 17 by corrugated sheet 16 and forms; The wave height h of corrugated sheet 16
1, wavelength and winding the number of plies must ensure: (1) can not cause back pressure to exhaust emissions, and (2) have corresponding enough pyroconductivities; When annulus cylinder 18 inserts in the inner chamber of gas cylinder 4, crest, the trough of corrugated sheet 14 all must contact on the flat board 17 be wound, the cylindrical layer flat board 17 of annulus cylinder 18 must be close to the outer side wall of the inner chamber of gas cylinder 4, the crest of the inner circle layer of annulus cylinder 18---corrugated sheet 16 must be close to the inboard wall of the inner chamber of gas cylinder 4, the inner chamber of interior gas cylinder 4 is without inboard wall, corresponding annulus cylinder 18 is cylinder type, so that the reliable soldering of honeycomb filling body 19 is in described corresponding inner chamber; When the axial length L of annulus cylinder 18 should ensure that it axially inserts in the inner chamber of gas cylinder 4, the two ends of annulus cylinder 18 should be positioned within the left and right two ends actinal surface of electric heater sleeve 6.
As shown in Figure 6; the structure of thermal-protective coating 20 is the multi-layer structure of outsourcing protective layer 21; protective layer 21 seal welding is on urceolus 5; thermal-protective coating 20 is outwards followed successively by from inner, and layers of insulating fabric (or heat insulation enamelled coating) and aluminium foil layer interval are arranged, should ensure that the outermost surface of thermal-protective coating 20 is aluminium foil layer; and sufficient separation delta L should be retained between itself and protective layer 21; Δ L=n-p, n are 15-35mm, p is 8-20mm.
The left and right interface 2,3 of tail gas is respectively the inlet/outlet of vehicle exhaust.
Preparation process is as follows with sequence:
1, in advance by left shrouding 9 seal welding on the left end of corresponding electric heater sleeve 6;
2, by place for the honeycomb filling body 19 made;
3, integral braze-welded;
4, electric heating member 7 be installed and encapsulate;
5, weld the left and right interface 2,3 of tail gas, temp controller 15 is installed, connects power outlet 12 and bus 13;
6, thermal-protective coating 20 is done.
Claims (5)
1. for the electric heating heat riser of motor vehicle exhaust emission, there is the housing of outsourcing thermal-protective coating, electric heater and electrical control mechanism, it is characterized in that: described housing is made up of main body and sealing is welded in the two-port of main body respectively the left and right interface of tail gas; Described main body ecto-entad is made up of 2 ~ 8 gas cylinders successively, is all fixed with honeycomb filling body in each gas cylinder; The gas cylinder of outermost is made up of the electric heater sleeve of urceolus and outermost, interior gas cylinder is made up of interior electric heater sleeve, middle gas cylinder is made up of corresponding two adjacent electric heater sleeves respectively, and the left and right interface of described tail gas respectively sealing is welded on the extension mouth at urceolus two ends; In each electric heater sleeve, equal sealed insulation formula is fixed with the electric heating member of regular distribution, and all has corresponding power outlet.
2. the electric heating heat riser for motor vehicle exhaust emission according to claim 1, it is characterized in that: the concrete structure that the middle sealed insulation formula of electric heater sleeve (6) is fixed with the electric heating member (7) of regular distribution is, electric heating member (7) is flexible snakelike in having, each electric heating member (7) is all set with insulation porcelain ring (8), electric heating member used (7) even distribution type is contained in electric heater sleeve (6), and be uniformly parallelly welded on power outlet (12), by left in the inner chamber of each electric heater sleeve (6), right shrouding (9, 10) be packaged with insulation and the magnesium powder (11) of heat conduction, the power outlet (12) of each electric heater sleeve (6) is together parallel with one another after right shrouding (10) is drawn respectively, and introduce ABAP Adapter through bus (13) by the power interface (14) on the right interface of tail gas (3), the temp controller (15) of auto-open-close electric heating member (7) is also housed in the right interface (3) of tail gas.
3. the electric heating heat riser for motor vehicle exhaust emission according to claim 1 and 2, it is characterized in that: the structure of honeycomb filling body (19) is, the corrosion resistant plate that honeycomb filling body (19) is 0.03 ~ 0.12mm with thickness processes, with annulus cylinder (18) profile shaft in the inner chamber inserting gas cylinder (4), and be welded to each other together, annulus cylinder (18) is laid in flat board (17) rolls together by corrugated sheet (16) and forms, when annulus cylinder (18) inserts in the inner chamber of gas cylinder (4), the crest of corrugated sheet (14), trough all must contact on the flat board be wound (17), the cylindrical layer flat board (17) of annulus cylinder (18) must be close to the outer side wall of the inner chamber of gas cylinder (4), the inner circle layer of annulus cylinder (18)---the crest of corrugated sheet (16) must be close to the inboard wall of the inner chamber of gas cylinder (4), the inner chamber of interior gas cylinder (4) is without inboard wall, corresponding annulus cylinder (18) is cylinder type, so that the reliable soldering of honeycomb filling body (19) is in described corresponding inner chamber, when the axial length L of annulus cylinder (18) should ensure that it axially inserts in the inner chamber of gas cylinder (4), the two ends of annulus cylinder (18) should be positioned within the left and right two ends actinal surface of electric heater sleeve (6).
4. the electric heating heat riser for motor vehicle exhaust emission according to claim 1 and 2; it is characterized in that: the structure of thermal-protective coating (20) is the multi-layer structure of outsourcing protective layer (21); protective layer (21) seal welding is on urceolus 5; thermal-protective coating (20) is outwards followed successively by from inner; layers of insulating fabric (or heat insulation enamelled coating) and aluminium foil layer interval are arranged; should ensure that the outermost surface of thermal-protective coating (20) is aluminium foil layer, and sufficient spacing between itself and protective layer (21), should be retained.
5. the electric heating heat riser for motor vehicle exhaust emission according to claim 3; it is characterized in that: the structure of thermal-protective coating (20) is the multi-layer structure of outsourcing protective layer (21); protective layer (20) seal welding is on urceolus 5; thermal-protective coating (20) is outwards followed successively by from inner; layers of insulating fabric (or heat insulation enamelled coating) and aluminium foil layer interval are arranged; should ensure that the outermost surface of thermal-protective coating (20) is aluminium foil layer, and sufficient spacing between itself and protective layer (21), should be retained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311717.2A CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311717.2A CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912633A true CN104912633A (en) | 2015-09-16 |
| CN104912633B CN104912633B (en) | 2018-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311717.2A Active CN104912633B (en) | 2015-06-09 | 2015-06-09 | Electrical heating heat riser for motor vehicle exhaust emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104912633B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388407A (en) * | 1994-07-05 | 1995-02-14 | Ford Motor Company | Exhaust manifold catalyst and muffler for automotive engine |
| CN1117557A (en) * | 1994-05-30 | 1996-02-28 | 新日本制铁株式会社 | An electrically heated catalytic converter for an engine |
| WO2000053904A1 (en) * | 1999-03-09 | 2000-09-14 | Abb Lummus Global, Inc. | Exhaust gas catalytic converter |
| JP2005052797A (en) * | 2003-08-07 | 2005-03-03 | Calsonic Kansei Corp | Electrically heating catalyst carrier |
| CN102191978A (en) * | 2010-03-09 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Thermal management exhaust treatment device and method of manufacture |
| CN204900030U (en) * | 2015-06-09 | 2015-12-23 | 高志男 | A electrical heating rising temperature device for automobile exhaust discharges |
-
2015
- 2015-06-09 CN CN201510311717.2A patent/CN104912633B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117557A (en) * | 1994-05-30 | 1996-02-28 | 新日本制铁株式会社 | An electrically heated catalytic converter for an engine |
| US5388407A (en) * | 1994-07-05 | 1995-02-14 | Ford Motor Company | Exhaust manifold catalyst and muffler for automotive engine |
| WO2000053904A1 (en) * | 1999-03-09 | 2000-09-14 | Abb Lummus Global, Inc. | Exhaust gas catalytic converter |
| JP2005052797A (en) * | 2003-08-07 | 2005-03-03 | Calsonic Kansei Corp | Electrically heating catalyst carrier |
| CN102191978A (en) * | 2010-03-09 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | Thermal management exhaust treatment device and method of manufacture |
| CN204900030U (en) * | 2015-06-09 | 2015-12-23 | 高志男 | A electrical heating rising temperature device for automobile exhaust discharges |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104912633B (en) | 2018-04-03 |
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Effective date of registration: 20210630 Address after: 102627 area a, 3rd floor, building 2, Xiandao building, 36 Jinyuan Road, Daxing Industrial Development Zone, Daxing District, Beijing Patentee after: Beijing Gaoxin Weiye Technology Co.,Ltd. Address before: 102600 Beijing Jinyuan Industrial Development Zone Daxing District Road No. 36 Patentee before: Gao Zhinan |