CN108729995A - A kind of dual path heating device for vehicle maintenance service - Google Patents
A kind of dual path heating device for vehicle maintenance service Download PDFInfo
- Publication number
- CN108729995A CN108729995A CN201810492921.2A CN201810492921A CN108729995A CN 108729995 A CN108729995 A CN 108729995A CN 201810492921 A CN201810492921 A CN 201810492921A CN 108729995 A CN108729995 A CN 108729995A
- Authority
- CN
- China
- Prior art keywords
- heating device
- dual path
- vehicle maintenance
- maintenance service
- base carrier
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention relates to the present invention to provide a kind of dual path heating device for vehicle maintenance service, including electric radiator, electric radiator contains discoid shell, the base carrier being arranged in discoid shell and is fixedly mounted on two-way resistive element in parallel on base carrier；Resistive element is by least double layer of metal partition board and between adjacent metal partition board and corrugated metal sheet that Qi Feng, paddy are electrically connected with double layer of metal partition board respectively is constituted.The structure design of the present invention makes the electrical heating of single-pathway multilayer the few electrical heating of into the dual path number of plies using the constant feature of parallel circuit voltage so that electric current more disperses, be uniformly heated, temperature rise effect it is apparent.Can observe in actual test inner core it is heated after deform smaller, firmness is relatively strong, and for studying small-power later, the electrical heating of major diameter provides theoretical foundation, and can be adjusted according to automobile exhaust space, is conducive to market and develops.
Description
Technical field
The present invention relates to a kind of dual path heating devices for vehicle maintenance service, are mainly used for motor vehicle exhaust emission
Electrical heating heats up；Belong to automobile exhaust pollution object technical field of emission reduction.
Background technology
Pollution reduction in existing control motor vehicle exhaust emission generally uses tail gas catalyzed treatment technology, i.e., is arranged in tail gas
It puts and catalytic converter is housed in pipe.As far as the applicant is aware, the operating temperature requirements of catalyst reach 250 DEG C or more, otherwise it is difficult to
Reach catalytic effect.But in reality, being again started up after cold-starting automobile, parking and of short duration parking and Smaller load work etc.
In the case of, exhaust emissions temperature is generally below 250 DEG C, and catalyst does not work or act on substantially minimum, therefore leads to tail gas
Exhaust emission is serious.The catalytic converter of the existing research and development of our company is to belong to single channel gauge structure, but this structure has heating
Slowly, uneven heating and defect the problems such as short service life.By prolonged and repeated experimental and theoretical computation, applicant obtains knot
By：Under specified small-power, by increasing the catalytic converter sheet material number of plies, reducing sheet width and shorten sheet length can be with
Increase the heating rate and heating height of electrical heating inner core.But experiment finds so cause two serious problems：1)
Local current is excessive, heating is uneven：Only four to five layers of energy are rubescent after increasing the number of plies, remaining is micro- red or not red, increase
Still there is similar phenomenon in power；2) sheet strength is far from enough：Reduce the problem of sheet width has caused insufficient strength, passes through
Superhigh temperature and rapid cooling, sheet material gross distortion, service life greatly shorten.
Invention content
The technical problem to be solved by the present invention is to, the shortcomings that overcoming the prior art, provide a kind of number of plies is few, intensity is high,
Current dissipation, homogeneous heating and the fireballing dual path heating device for vehicle maintenance service.
In order to solve the above technical problems, the present invention provides a kind of dual path heating device for vehicle maintenance service,
Including electric radiator, electric radiator contains discoid shell, the base carrier being arranged in discoid shell and fixed installation
The two-way resistive element in parallel on base carrier.
Resistive element by least double layer of metal partition board and between adjacent metal partition board and Qi Feng, paddy respectively with two layers
The corrugated metal sheet of metal partion (metp) electrical connection is constituted.Two-way resistive element is with the angular position of 180 ° of phase difference respectively by outer court
It is interior, again then coiled in the housing outwardly by interior, and spaced nesting, constitute Tai Ji first class gauge structure.
The technical characteristic that the present invention further limits is：The two-way resistive element separately includes 2~10 layers of corrugated sheet.
Further；Metal partion (metp) is corrugated metal sheet, and the ripple of metal partion (metp) is less than the corrugated metal sheet
Ripple.
Further；Resistive element is fixedly mounted on by one group of connector on base carrier.
Further；Connector includes fixed pin and the insulation sleeve that is set in outside fixed pin；Insulation sleeve include body and
The body one end flange that vertically set body axis direction is extended outward, body axial length are not less than the width of corrugated metal sheet
Degree；Fixed pin includes shank and is arranged the end cap in needle tip, and the length of shank is more than the width of resistive element, and end cap
Diameter is less than flange diameter.
Further；The bottom of shank is fixedly welded on base carrier.
Further；Distance is 0.5mm~1cm between resistive element and base carrier.
Further；Horizontal distance is 0.5mm~0.9mm between two-way resistive element.
Further；Base carrier is including at least double layer of metal plane clapboard and between adjacent metal plane clapboard
And the wavy metal plate that Qi Feng, paddy connect with double layer of metal partition board respectively；The longitudinal thickness of base carrier is more than two path resistors
The longitudinal thickness of element.
Further；It further include the ternary catalyzing unit being arranged below base carrier.
The beneficial effects of the invention are as follows：The structure design of the present invention, will be single using the constant feature of parallel circuit voltage
The electrical heating of path multilayer makes the few electrical heating of the dual path number of plies into so that electric current more disperses, and is uniformly heated, heat up effect
Fruit is apparent.Can observe in actual test inner core it is heated after deform smaller, firmness is relatively strong, for studying small work(later
The electrical heating of rate, major diameter provides theoretical foundation, and can be adjusted according to automobile exhaust space, is conducive to market and develops.By
The gap very little between electrical heating inner core and base carrier, so after electrode powers on, electrical heating inner core is in short-term
Interior to be brought rapidly up, the heat that electrical heating inner core generates can be transmitted to above base carrier rapidly by gas so that catalyst exists
Operating temperature can be reached in short time, to play emission reduction effect.Finally, entire electric heater unit structure is relatively easy,
It is easy to quantization production, realizes that temperature rise effect is apparent, occupied space is smaller, easy to spread.
Description of the drawings
Fig. 1 is the dual path resistance original paper structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the discoid shell of the embodiment of the present invention 1.
Fig. 3 is the structure top view of 1 dual path heating device of the embodiment of the present invention.
Fig. 4 is the longitudinal sectional view of 1 dual path heating device of the embodiment of the present invention.
Fig. 5 is that the circuital current of 1 dual path heating device of the embodiment of the present invention moves towards schematic diagram.
Fig. 6 is that the circuital current of the single path heating device of contrast experiment moves towards schematic diagram.
Fig. 7 is the structural schematic diagram of the single path heating device of contrast experiment.
Fig. 8 is the heating effect figure of 1 dual path heating device of the present embodiment.
Fig. 9 is the heating effect figure of the single path heating device of contrast experiment.
Specific implementation mode
The present invention is described further with reference to the accompanying drawings and detailed description.
Embodiment 1
A kind of dual path heating device for vehicle maintenance service provided in this embodiment, as shown in Figs 1-4：At least wrap
The ternary catalyzing unit 5 for including electric radiator and being arranged below electric radiator, electric radiator include discoid shell 3, setting exist
Base carrier 4 in discoid shell 3, the two-way resistive element in parallel being fixedly mounted on base carrier 4 and with resistance member
The electrode 6 that part is separately connected；Two-way resistive element in parallel is set as first in order to which structure composition is described in detail in the present embodiment
Path resistor element 1 and the second path resistor element 2.
First path resistive element 1 and the second road resistive element 2 are respectively by least double layer of metal partition board and positioned at adjacent
Between metal partion (metp) and corrugated metal sheet that Qi Feng, paddy are electrically connected with double layer of metal partition board respectively is constituted.Two-way resistive element with
The angular position that 180 ° of phase difference is and spaced embedding respectively by outside inwardly, coil in the housing outwardly again then by interior
Set constitutes Tai Ji first class gauge structure.
First path resistive element and the second path resistor element separately include 2~10 layers of corrugated sheet.In the present embodiment
One path resistive element 1 and the second path resistor element 2 are illustrated by taking 4 layers of big ripple corrugated sheet as an example respectively；Big ripple shape
It is welded and fixed between the peak of corrugated sheet, paddy and ripplet shape metal partion (metp)；Such as：Fixed welding between metal partion (metp) 1-1,1-2
There is big ripple shape corrugated metal sheet 1-3.Equally, fixed between adjacent metal partition board 2-1,2-2 in the second path resistor element 2
It is welded with big ripple shape corrugated metal sheet 2-3.
The partition board of the present embodiment use ripplet shape metal partion (metp), naturally it is also possible to use plane clapboard, but plane every
Plate conductivity is very big, and relatively small Corrugated metal partition board is easier to be burned；So the present embodiment we preferentially select use wave
Striated structure partition board.
The first path resistive element 1 of the present embodiment and the second path resistor element 2 are to be fixed on pedestal using fixed pin 7
On carrier.Fixed pin includes shank and the end cap in needle tip is arranged, and ceramic insulation sleeve column 8 is arranged with outside fixed pin；Pottery
Porcelain insulating sleeve column includes body and body the one end flange that vertically set body axis direction is extended outward, and body axial length is not
Less than the width of corrugated metal sheet；The length of shank is more than the width of resistive element, and the diameter of end cap is less than flange diameter.
The bottom of shank is fixedly welded on base carrier 4.
Distance is 0.5mm~1cm between the two-way resistive element and base carrier of the present embodiment；Prevent conduction.In addition it is
Prevent short circuit of connecting between the resistive element in two paths, first path resistive element with the second path resistor element edge adjacent
Distance is 0.5mm~0.9mm between two pieces of metal partion (metp)s.The preferred 0.7mm of the present embodiment.
Base carrier 4 includes one group of metal flat partition board and the honeycomb wave being fixedly connected between adjacent metal plane clapboard
Line shape metallic plate；The longitudinal thickness of base carrier is more than first path, the longitudinal thickness of the second path resistor element.When pedestal carries
When the longitudinal thickness of body is very big, the thickness of ternary catalyzing unit 5 can be turned down suitably.Ternary catalyzing unit 5 is fixed below base carrier,
Its shell is fixed with discoid shell 3 and is welded.Or the length of discoid shell 3 is lengthened, ternary catalyzing unit is mounted on disk
The bottom of shape shell.
Based on the structure design of above-mentioned dual path, circuital current trend includes the circuit A of trend in parallel as shown in Figure 5
Shown in 7 it is Fig. 6, the single channel gauge structure tested in contrast and circuital current tendency C with circuit B.Specific contrast experiment's process
It is as follows with result：
Two kinds of production programs that this contrast experiment single channel gauge structure uses：One is 5 mm wides, eight layers of making；It is a kind of
It is the making of nine layers of 5 mm wide.Show that the power of the two is respectively 1.3kw and 1.6kw by experiment.
The experimental results are shown inthe following table：
Table 1.1 1.3kw heating tables
Table 1.2 1.6kw heating tables
It can be seen from two above heating table in rated power, heating rate is it is obvious that reached desired effect
Fruit, but during actual experiment, it has been found that two important defects, as shown in Figure 9：There is heating non-uniform phenomenon
It is greatly shortened with the inadequate gross distortion of sheet strength, service life.The traditional electrical heating of apparent company's research and development has been expired
Foot not major diameter, low power requirement.
Using the feature that parallel circuit voltage is constant, make the electrical heating of single-pathway multilayer into the dual path number of plies of the present invention
Few electrical heating so that electric current more disperses, and is uniformly heated.Specific experiment result such as following table 1.3
Dual path electrical heating production method can be with it can be seen from the above temperature rise effect figure, heating tables of data and attached drawing 8
So that electrically heated sheet material heating is more uniform, and temperature rise effect is more apparent, and it is heated that inner core is can observe in actual test
After deform smaller, firmness is relatively strong, and for studying small-power later, the electrical heating of major diameter, and can root by very big help
It is adjusted according to automobile exhaust space, is conducive to market and develops.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of dual path heating device for vehicle maintenance service, including electric radiator, the electric radiator contain disk
Shape shell, the base carrier being arranged in discoid shell and it is fixedly mounted on two-way resistance member in parallel on base carrier
Part；
It is characterized in that：The resistive element by least double layer of metal partition board and between adjacent metal partition board and its peak,
The corrugated metal sheet that paddy is electrically connected with double layer of metal partition board respectively is constituted；
The two-way resistive element with the angular position of 180 ° of phase difference respectively by outside inwardly, again then be coiled in institute outwardly by interior
It states in shell, and spaced nesting, constitutes Tai Ji first class gauge structure.
2. the dual path heating device according to claim 1 for vehicle maintenance service, it is characterised in that：The two-way
Resistive element separately includes 2~10 layers of corrugated sheet.
3. the dual path heating device according to claim 2 for vehicle maintenance service, it is characterised in that：The metal
Partition board is corrugated metal sheet, and the ripple of the metal partion (metp) is less than the ripple of the corrugated metal sheet.
4. the dual path heating device according to claim 3 for vehicle maintenance service, it is characterised in that：The resistance
Element is fixedly mounted on by one group of connector on base carrier.
5. the dual path heating device according to claim 4 for vehicle maintenance service, it is characterised in that：The connection
Part includes fixed pin and the insulation sleeve that is set in outside fixed pin；The insulation sleeve includes that body and body one end are vertical outward
The flange that set body axis direction is extended, the body axial length are not less than the width of corrugated metal sheet；The fixed pin
Including shank and the end cap in needle tip is set, the length of the shank is more than the width of resistive element, and the end cap
Diameter is less than flange diameter.
6. the dual path heating device according to claim 5 for vehicle maintenance service, it is characterised in that：The shank
Bottom be fixedly welded on base carrier.
7. the dual path heating device according to claim 6 for vehicle maintenance service, it is characterised in that：The resistance
Distance is 0.5mm~1cm between element and base carrier.
8. the dual path heating device according to claim 7 for vehicle maintenance service, it is characterised in that：The two-way
Distance is 0.5mm~0.9mm between resistance original paper.
9. the dual path heating device according to claim 8 for vehicle maintenance service, it is characterised in that：The pedestal
Carrier include at least double layer of metal plane clapboard and between adjacent metal plane clapboard and Qi Feng, paddy respectively with two layers of gold medal
Belong to the wavy metal plate of partition board connection；The longitudinal thickness of the base carrier is more than the longitudinal thick of two path resistive element
Degree.
10. being used for the dual path heating device of vehicle maintenance service according to claim 1-9 any one of them, feature exists
In：It further include the ternary catalyzing unit being arranged below base carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492921.2A CN108729995A (en) | 2018-05-21 | 2018-05-21 | A kind of dual path heating device for vehicle maintenance service |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492921.2A CN108729995A (en) | 2018-05-21 | 2018-05-21 | A kind of dual path heating device for vehicle maintenance service |
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| Publication Number | Publication Date |
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| CN108729995A true CN108729995A (en) | 2018-11-02 |
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| CN201810492921.2A Pending CN108729995A (en) | 2018-05-21 | 2018-05-21 | A kind of dual path heating device for vehicle maintenance service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206622A (en) * | 2019-06-04 | 2019-09-06 | 亿达天地环保技术股份有限公司 | Double-layer sleeve structure electric heating emission-control equipment |
| CN111828145A (en) * | 2020-06-28 | 2020-10-27 | 亿达天地环保技术股份有限公司 | Honeycomb structural body for automobile exhaust gas treatment |
| WO2024120942A1 (en) * | 2022-12-08 | 2024-06-13 | Vitesco Technologies GmbH | Device for an exhaust gas aftertreatment, and method for producing same |
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| WO1996026354A1 (en) * | 1995-02-20 | 1996-08-29 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Honeycomb body with channels of differing flow resistances through which a fluid can flow |
| US20080217315A1 (en) * | 2007-03-06 | 2008-09-11 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Electrically Heatable Honeycomb Body and Method for Operating It |
| CN102414409A (en) * | 2009-04-22 | 2012-04-11 | 排放技术有限公司 | Honeycomb body heatable in multiple stages |
| CN102861962A (en) * | 2012-09-29 | 2013-01-09 | 夏琦 | Method for coating brazing materials on metal carrier |
| CN105464766A (en) * | 2016-01-25 | 2016-04-06 | 夏哲 | Method for manufacturing electric heating metal carrier |
| CN106089372A (en) * | 2016-06-07 | 2016-11-09 | 夏哲 | Electrical heating elements supporting structure and apply the purification device for automobile exhaust gas of this structure |
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2018
- 2018-05-21 CN CN201810492921.2A patent/CN108729995A/en active Pending
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| CN1086001A (en) * | 1992-07-14 | 1994-04-27 | 埃米特放射技术股份有限公司 | The sheetmetal interlayer twines metal beehive grid and the manufacturing process of making thereof |
| WO1996026354A1 (en) * | 1995-02-20 | 1996-08-29 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Honeycomb body with channels of differing flow resistances through which a fluid can flow |
| US20080217315A1 (en) * | 2007-03-06 | 2008-09-11 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Electrically Heatable Honeycomb Body and Method for Operating It |
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| CN102861962A (en) * | 2012-09-29 | 2013-01-09 | 夏琦 | Method for coating brazing materials on metal carrier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206622A (en) * | 2019-06-04 | 2019-09-06 | 亿达天地环保技术股份有限公司 | Double-layer sleeve structure electric heating emission-control equipment |
| CN110206622B (en) * | 2019-06-04 | 2021-07-27 | 亿达天地环保技术股份有限公司 | Electric heating waste gas treatment device with double-layer sleeve structure |
| CN111828145A (en) * | 2020-06-28 | 2020-10-27 | 亿达天地环保技术股份有限公司 | Honeycomb structural body for automobile exhaust gas treatment |
| CN111828145B (en) * | 2020-06-28 | 2022-04-08 | 亿达天地环保技术股份有限公司 | Honeycomb structural body for automobile exhaust gas treatment |
| WO2024120942A1 (en) * | 2022-12-08 | 2024-06-13 | Vitesco Technologies GmbH | Device for an exhaust gas aftertreatment, and method for producing same |
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Application publication date: 20181102 |
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