CN109632336A - A kind of gasoline engine metallic carrier electric heating experimental rig - Google Patents
A kind of gasoline engine metallic carrier electric heating experimental rig Download PDFInfo
- Publication number
- CN109632336A CN109632336A CN201811613000.3A CN201811613000A CN109632336A CN 109632336 A CN109632336 A CN 109632336A CN 201811613000 A CN201811613000 A CN 201811613000A CN 109632336 A CN109632336 A CN 109632336A
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- China
- Prior art keywords
- electric heating
- metallic carrier
- gasoline engine
- experimental rig
- resistance
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of gasoline engine metallic carrier electric heating experimental rigs.It includes electrical heating controller, further includes heatable catalytic converter and variable resistance cable, and the heatable catalytic converter, variable resistance cable and electrical heating controller are sequentially connected electrically, and the heatable catalytic converter includes the intracorporal electric heating plate of shell and metallic carrier.The present invention not only solves the safety problem being likely to result in laboratory using metallic carrier electric heater unit the current stage, and simplifies electric heating controlling test process, has saved a large amount of time and cost for electric heating early development test.
Description
Technical field
The invention belongs to automobile engine to exhaust post-processing technology fields, and in particular to a kind of gasoline engine metallic carrier electricity adds
Heat examination experiment device.
Background technique
Engine exhaust aftertreatment system main function is the pollutant emission reduced in Vehicular exhaust.Due to cold start-up
Pollutant discharge amount accounting in the discharge amount that entire vehicle is run is larger, therefore the pollutant process being cold-started becomes Che Qiguan
The focus of note.Compared with existing ceramic monolith, the excellent light off characteristics of metallic carrier, may in tightened up emission regulation
As application trend, largely experiments have shown that, increases electric heater unit on metallic carrier, can more effectively promote catalyst
Light off characteristics.The metallic carrier electric heating experimental rig current stage is in laboratory's development phase, and manufacturer needs to prepare big
The test resource of amount, such as metallic carrier electric heating experimental rig, the transformer of automobile-used exploitation ECU, different size, for difference
Heating strategy and scheme, need to adjust ECU data and replacement in real time, consume a large amount of material and human resources.
Summary of the invention
The object of the invention is to provide a kind of gasoline engine metallic carrier to solve deficiency existing for above-mentioned background technique
Electric heating experimental rig.
The technical solution adopted by the present invention is that: a kind of gasoline engine metallic carrier electric heating experimental rig, including electric heating control
Device processed further includes heatable catalytic converter and variable resistance cable, the heatable catalytic converter, variable resistance cable and electric heating control
Device processed is sequentially connected electrically, and the heatable catalytic converter includes the intracorporal electric heating plate of shell and metallic carrier.The metallic carrier is iron
Aluminium alloy.
Further, in order to reduce bullion content, electric heating plate is not coated by catalyst, and metallic carrier coats catalyst,
Electric heating plate only serves heating function, and metallic carrier plays the function of cleaning of off-gas.
Further, the electric heating plate is equipped with external heated coupling, and the heated coupling first half is machined with spiral shell
Line, for being fixed with one end of variable resistance cable, the heated coupling other end, which protrudes into shell and touches electricity, to be added
Hot plate.
Heat resistance fiber that is heat-insulated and insulating is housed before metallic carrier and shell.Thermal insulation property can be promoted, ignition is accelerated.
Further, gap is equipped between the electric heating plate and metallic carrier, the gap is 5-10mm.The metal
Carrier is removable.
Further, the electrical heating controller is electrically connected to a power source.
Further, the heatable catalytic converter bottom is equipped with temperature sensor, and the temperature sensor and temperature acquisition are supervised
The electrical connection of module one end is controlled, the temperature acquisition monitoring module other end is respectively connected to computer and ECU.Temperature sensor is adding
Thermocatalytic device fixes when encapsulating in specific position, and temperature sensor protrudes into forward the 2/3 of about metallic carrier length from rear end cone
Place.And temperature sensor is connected with temperature acquisition monitoring module, temperature acquisition monitoring module is connected with computer, real-time display and prison
Control catalyst converter bed temperature.
Further, there are the connector of round connecting hole, centre one wiring of setting in variable resistance cable both ends
In line and out line is arranged in box, terminal box both ends, and wherein out line is fixed, and in line end has connector；5 sections of resistance wires are connected on terminal box
It is interior, 1~wiring hole of wiring hole 5 is provided with outside terminal box, can resistance according to demand size be selectively accessing it is different
Wiring hole, when the connector at the end entrance in accesses wiring hole 1, obtains maximum resistance, access connects to obtain different resistance
When string holes 5, minimum resistance is obtained.
Further, it is set in the electrical heating controller there are two switch, one is power switch, and one is that heating is opened
It closes, when power switch connection, power on circuitry, indicator light is bright；When heater switch connection, circuit is connected, and is begun to warm up.
Variable resistance cable in the present invention can according to need the different resistance of selection to meet different heating powers
Demand；Removable heatable catalytic converter, it is special to compare the discharge of different size carrier to can according to need replacement metallic carrier
Property, select optimal scheme；In addition portable external electric heating controller, can adjust heating strategy as required at any time.
The present invention pilot development application, passes through Rapid matching different heating power, different metal suitable for current electric heating carrier
Carrier, different paint-on techniques and noble metal scheme, different electric heating strategies, combination determine optimal technical solution and electric heating control
System strategy, then vehicle ECU control is added in optimal electric heating strategy and carries out subsequent volume production exploitation.Not only solve current rank
The safety problem that section is likely to result in laboratory using metallic carrier electric heater unit, and simplify electric heating controlling test mistake
Journey has saved a large amount of time and cost for electric heating early development test.
Detailed description of the invention
Fig. 1 is arrangement schematic diagram of the present invention；
Fig. 2 is heatable catalytic converter structural schematic diagram；
Fig. 3 is variable resistance Cable structure schematic diagram.
In figure, 1- heatable catalytic converter (a- electric heating plate, b- metallic carrier, c- heated coupling, e- buckle), 2- variable resistance
Cable (21- terminal box), 3- electrical heating controller (31- indicator light), 4- power supply, 5- temperature sensor, 6- temperature acquisition prison
Control module, 7-ECU, 8- computer.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
As shown in Figure 1, the present invention provides a kind of gasoline engine metallic carrier electric heating experimental rig, including heatable catalytic converter 1,
Variable resistance cable 2, electrical heating controller 3, power supply (battery) 4, temperature sensor 5, temperature acquisition monitoring module 6.
As shown in Figure 1, heatable catalytic converter 1 is arranged in enmgine exhaust outlet or supercharger outlet, heatable catalytic converter 1
Including electric heating plate a and metallic carrier b, the front end electric heating plate a is provided with heated coupling c, prominent shell about 2cm or so, can be changed
2 both ends of resistance cable line are provided with circle interface, and one end is secured with nuts after being connected with heated coupling c, the other end and electric heating
Controller 3 is connected.Heated coupling c and housing conductive on electric heating plate a are formed into a loop, and heats electric heating plate a after being powered,
Then electric heating plate a heats gas, and b is metallic carrier, purifies after noble metal-coating to gas pollutant.
As shown in Figure 1, there are two open for setting on electrical heating controller 3 for the accuracy of heating time in guarantee test
It closes, a power switch, a heater switch.When power switch is connected to, electrical heating controller is powered, and indicator light 31 is lighted, opened
When beginning to heat, then by the switch connection of heating, electrical heating controller circuit is all turned on, begins to warm up.
As shown in Figure 1, temperature sensor 5 is disposed on metallic carrier, temperature sensor 5 and temperature acquisition monitoring module 6
It is connected, and ECU7 and computer 8 is connected with data line.
As shown in Figure 1, controller powers on success, according to what is actually formulated when the connection of electric heating control appliance mains switch
Heater switch on controller is connected to by heating strategy before the engine is started or when engine start, to heating when
Between controlled, electric current via controller reach electric heating plate a, electric heating plate a is heated, catalyst converter bed temperature by temperature biography
Real-time display disconnects heater switch, and disconnect power supply and open when bed temperature will reach target call temperature to sensor 5 on computers
It closes, at this point, electric heating circuit powers off.
As shown in Fig. 2, heatable catalytic converter 1 is removable.A removable method is mounted in the outlet electric heating plate a
Orchid, for metallic carrier b input end there are also installed a removable flange, metal shell is internally provided with fixed buckle e, import
It is buckled with each setting three is exported, when needing to change carrier, opens buckle, take out carrier, after the completion of replacement, closure is buckled.According to
Testing program, can be by different structure, different meshes, different length, different cellular structures and different precious group metal formulation coatings
Metallic carrier change in shell and tested.Finally select the metallic carrier of optimum structure and formula.
As shown in Fig. 2, heatable catalytic converter 1 divides for two parts, electric heating plate a and metallic carrier b, it is noted that, electricity adds
The heated coupling c of hot plate a setting, needs to directly contact electric heating plate a, in addition, there is heat-resisting fibre between metallic carrier b and shell
Dimension, the effect of this fiber are heat-insulated, preservation catalyst converter heat, insulation.The measurement of metallic carrier bed temperature is complete by temperature sensor 5
At temperature sensor 5 needs to be fixed on inside catalyst converter before catalyst converter welding assembly, to prevent temperature sensor from touching
Short circuit occurs for electric heating plate, needs that end cone protrudes into after catalyst converter by temperature sensor, and built-in length is about the 2/3 of metallic carrier
Place, and a mounting temperature sensor stand is welded on rear end cone wall surface, catalysis is welded after temperature sensor is fixed again
Device assembly.
As shown in figure 3,2 both ends of variable resistance cable are provided with the connector of round connecting hole, centre setting one is connect
In line and out line is arranged in wire box 21, terminal box both ends, and wherein out line is fixed, and in line end has connector, 5 sections of resistance wire series connection
Wiring hole 1~5 is provided in terminal box, outside terminal box, can the size of resistance according to demand be selectively accessing difference
Wiring hole, to obtain different resistance.When the connector at the end entrance in accesses wiring hole 1, maximum resistance is obtained, is accessed
When wiring hole 5, minimum resistance is obtained.The electric heating plate resistance of electric heating carrier provided by the invention is extremely low, according to each test
The scheme of preceding setting comes out resistance calculations corresponding under different heating power, and then the variation of resistance is by accessing different connect
String holes determines, it is therefore intended that, different heating power can be realized to ignition and discharge under the premise of being changed without electric heating plate
Influence finally select optimal electric heating plate resistance to select the heating power of optimization.The function that the present invention can export
Rate is between 1.5kw-3.5kw.
A kind of method for heating and controlling of electric heating metallic carrier catalyst converter, comprising:
Heatable catalytic converter 1 is arranged in enmgine exhaust outlet or supercharger outlet, when the power supply of electrical heating controller 3
When 4 switch connection, electrical heating controller 3 powers on success, and power supply indicator 31 is bright, according to the heating strategy actually formulated, is sending out
Heater switch before motivation starting or when engine start on connection controller, controls heating time, works as connection
When heater switch, electric current via controller reaches electric heating plate a, heats to electric heating plate a, metallic carrier b plays purification tail
The function of gas, catalyst converter bed temperature will reach target call in bed temperature by the real-time display on computer 8 of temperature sensor 5
When temperature, heater switch is disconnected, at this point, heating finishes, and disconnecting power switch, the power-off of electric heating circuit.
Electric heating plate of the present invention and metallic carrier are encapsulated in the identical shell of two diameters, and intermediate flanged joint can
To be convenient for changing different metallic carriers (different meshes, different precious group metal formulations, different metal carrier cellular structure), electric heating
Disk only replaces metallic carrier component without the more sets of trial-production, realizes quick multi-scheme verifying and selection, saves development cost and week
Phase；Electric heating plate is not coated by, and reduces noble metal dosage, reduces engine cost；Electric heating electricity is controlled by electrical heating controller
Road on-off, control mode are easy, easy to operate；Variable resistance cable may be implemented the testing program of different heating power, be not necessarily to
Different capacity electric heating exemplar is manufactured experimently, the most suitable power scheme of selection is quickly tested by variable resistance, shortens trial-production part
Period, improve test efficiency；Power supply individually is done with the battery of external, securely and reliably, is eliminated to vehicle battery electricity
The influence of amount, well guarantee test safety.Metallic carrier electric heating strategy, effectively promotion catalyst are used to existing automobile
Ignition performance, HC the and CO discharge amount of cold start-up is greatly reduced, it is compact-sized compared with existing ceramic monolith, volume reduce.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (6)
1. a kind of gasoline engine metallic carrier electric heating experimental rig, including electrical heating controller, it is characterised in that: further include heating
Catalyst converter and variable resistance cable, the heatable catalytic converter, variable resistance cable and electrical heating controller are sequentially connected electrically,
The heatable catalytic converter includes the intracorporal electric heating plate of shell and metallic carrier.
2. a kind of gasoline engine metallic carrier electric heating experimental rig according to claim 1, it is characterised in that: the electric heating
Disk is equipped with external heated coupling, and the heated coupling first half is threaded, for one with variable resistance cable
End is fixed, and the heated coupling other end protrudes into shell and touches electric heating plate.
3. a kind of gasoline engine metallic carrier electric heating experimental rig according to claim 1, it is characterised in that: the electric heating
Gap is equipped between disk and metallic carrier, the gap is 5-10mm.
4. a kind of gasoline engine metallic carrier electric heating experimental rig according to claim 1, it is characterised in that: the electric heating
Controller is electrically connected to a power source.
5. a kind of gasoline engine metallic carrier electric heating experimental rig according to claim 1, it is characterised in that: the heating is urged
Change device bottom and be equipped with temperature sensor, the temperature sensor is electrically connected with temperature acquisition monitoring module one end, and the temperature is adopted
The collection monitoring module other end is respectively connected to computer and ECU.
6. a kind of gasoline engine metallic carrier electric heating experimental rig according to claim 1, it is characterised in that: it is described can power transformation
There is the connector of round connecting hole at resistance cable both ends, and one terminal box of centre setting, in line and out is arranged in terminal box both ends
Line, wherein out line is fixed, and in line end has connector；5 sections of resistance wires are connected in terminal box, and wiring hole 1 is provided with outside terminal box
~wiring hole 5, can the size of resistance according to demand be selectively accessing different wiring holes, to obtain different resistance,
When the connector at the end entrance in accesses wiring hole 1, maximum resistance is obtained, when accessing wiring hole 5, obtains minimum resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613000.3A CN109632336A (en) | 2018-12-27 | 2018-12-27 | A kind of gasoline engine metallic carrier electric heating experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613000.3A CN109632336A (en) | 2018-12-27 | 2018-12-27 | A kind of gasoline engine metallic carrier electric heating experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109632336A true CN109632336A (en) | 2019-04-16 |
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ID=66078405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811613000.3A Pending CN109632336A (en) | 2018-12-27 | 2018-12-27 | A kind of gasoline engine metallic carrier electric heating experimental rig |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011125177A1 (en) * | 2010-04-06 | 2011-10-13 | トヨタ自動車株式会社 | Electrically-heated catalytic converter |
| WO2014064758A1 (en) * | 2012-10-23 | 2014-05-01 | トヨタ自動車株式会社 | Vehicle and vehicle control method |
| CN106321201A (en) * | 2016-09-23 | 2017-01-11 | 奇瑞汽车股份有限公司 | Electric heating type catalytic converter and heating control method thereof |
| CN206987930U (en) * | 2017-07-20 | 2018-02-09 | 浙江力驰雷奥环保科技股份有限公司 | One kind can pre-warmed catalyst converter metallic carrier |
-
2018
- 2018-12-27 CN CN201811613000.3A patent/CN109632336A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011125177A1 (en) * | 2010-04-06 | 2011-10-13 | トヨタ自動車株式会社 | Electrically-heated catalytic converter |
| WO2014064758A1 (en) * | 2012-10-23 | 2014-05-01 | トヨタ自動車株式会社 | Vehicle and vehicle control method |
| CN106321201A (en) * | 2016-09-23 | 2017-01-11 | 奇瑞汽车股份有限公司 | Electric heating type catalytic converter and heating control method thereof |
| CN206987930U (en) * | 2017-07-20 | 2018-02-09 | 浙江力驰雷奥环保科技股份有限公司 | One kind can pre-warmed catalyst converter metallic carrier |
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Application publication date: 20190416 |