CN203268003U - Defroster and electric vehicle - Google Patents
Defroster and electric vehicle Download PDFInfo
- Publication number
- CN203268003U CN203268003U CN 201320223604 CN201320223604U CN203268003U CN 203268003 U CN203268003 U CN 203268003U CN 201320223604 CN201320223604 CN 201320223604 CN 201320223604 U CN201320223604 U CN 201320223604U CN 203268003 U CN203268003 U CN 203268003U
- Authority
- CN
- China
- Prior art keywords
- defogger
- air channel
- air
- housing
- heating arrangement
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a defroster and an electric vehicle. The defroster comprises a defroster shell body, an air blower, an air duct, a heating device and an air outlet, wherein the air blower, the air duct and the heating device are arranged in the defroster shell body, and the air outlet is formed in the surface of the defroster shell body. The air blower comprises a air blowing port formed in the surface of the air blower, and air in the air blower is blown out through the air blowing port; the air duct is arranged between the air blowing port and the heating device, the air duct comprises a first air duct port and a second air duct port, wherein the first air duct port and the second air duct port are arranged on the two end portions of the air duct, the air blown out from the air blowing port enters into the first air duct port and is blown out from the second air duct port through the air duct; the air blown out from the second air duct port is blown to the surface of one side surface of the heating device, heat of the air is dissipated through the surface of the opposite side of the heating device, and the heat is diffused from the air outlet; the size of the first air duct port is different from the size of the second air duct port, wind speed and air output temperature of the air outlet are even, and the service life of the heating device can be prolonged at the same time.
Description
Technical field
The utility model belongs to Defroster device for vehicle demist field, relates in particular to a kind of defogger and battery-driven car.
Background technology
The air conditioning and heating system of tradition fuel-engined vehicle usually with the waste heat of using waste heat from tail gas or engine cooling circulating water as thermal source and introduce H Exch, air and H Exch that supply ventilating fan is sent here carry out interchange of heat, air after heating is sent in car, reaches heating, demist, defrosting and needs the purpose of the parts heating of thermal source for other.Yet, application along with pure electric vehicle and hybrid electric vehicle, particularly for pure electric vehicle, there is no enough waste heats during its work for the inner heating of automobile, in addition, under winter extremely cold environment, need defrosting and demist before automobile starting, the defogger that existing general using contains heating arrangement achieves the goal.
defogger generally comprises and comprises the defogger housing, be positioned at blowing engine and the heating arrangement of housing, and be positioned at the air outlet of surface of shell, the cold wind that blowing engine bloats, after heating by heating arrangement, blow out by air outlet, the warm braw that air outlet blows out is to arriving front windshield, reach defrosting effect, the blast hole of existing blowing engine generally is positioned at the left side on a surface of blowing engine, the upper right corner, the wind speed that causes blowing on heating arrangement is inhomogeneous, the wind that blows to the upper left corner of heating arrangement and the upper right corner is stronger, wind speed is larger, the wind speed that blows to the centre portion of heating arrangement and lower part is less, and heating arrangement is generally the PTC electric heater unit, small volume, strengthened especially this gap, not only cause the heating of PTC electric heater unit inhomogeneous, affect the service life of PTC electric heater unit, and at PTC electric heater unit power one regularly, the wind speed of defroster vent and the temperature of air-out are inversely proportional to, it is lower that wind speed more exceeds draught temperature, the inconsistent Windshield regional defrosting effect that causes of air outlet temperature is inconsistent, the defrosting effect that the air outlet temperature is high is better, the defogger effect that the air outlet temperature is low is relatively poor, and therefore, defrosting effect and defrosting area are all undesirable.
The utility model content
The utility model is inconsistent for the temperature of the wind speed of the air outlet that solves existing defogger and air-out, causes Windshield regional defrosting effect inconsistent, and the inhomogeneous technical matters that affects the service life of PTC electric heater unit of wind speed.Provide a kind of wind speed and leaving air temp of air outlet more even, can improve defogger and the battery-driven car in the service life of heating arrangement simultaneously.
First purpose of the present utility model is to provide a kind of defogger, and this defogger comprises the defogger housing, is positioned at blowing engine, air channel, the heating arrangement of defogger housing, and is positioned at the air outlet of defroster housing surface; The surface of described blowing engine comprises blast hole, and the wind in described blowing engine blows out by blast hole; Described air channel is between blast hole and heating arrangement, and described air channel comprises the first wind passage mouth and second wind passage mouth at both ends, and the wind that blast hole blows out enters the first wind passage mouth and blows out from the second wind passage mouth by the air channel; The wind that the second wind passage mouth blows out by another relative side surface heat radiation of heating arrangement, sheds in air outlet afterwards to a side surface of heating arrangement; Varying in size of described the first wind passage mouth and the second wind passage mouth.
Preferably, blast hole comprises one, and described blast hole is positioned at the center on blowing engine one surface, and described the second wind passage mouth is greater than the first wind passage mouth.
Perhaps preferred, blast hole comprises that more than 3, described blast hole lays respectively at the periphery on blowing engine one surface, and described the second wind passage mouth is less than the first wind passage mouth.
Perhaps preferred, blast hole comprises two, and described blast hole lays respectively at the both sides on blowing engine one surface, and described air channel comprises the air channel housing, described air channel housing comprises upper shell, left shell, lower house and the right shell body of sealing-in in twos, and described left shell and right shell body are respectively to the air channel inner inclination.
Preferably, the angle of left shell and vertical surface is 10 °-34 °; The angle of right shell body and vertical surface is 10 °-34 °.
Preferably, blast hole lays respectively at the upper left corner and the upper right corner on blowing engine one surface, and described upper shell and lower house are downward-sloping respectively.
Preferably, the downward-sloping angle of upper shell is less than the downward-sloping angle of lower house.
Preferably, the angle of upper shell and horizontal surface is 0 °-10 °; The angle of described lower house and horizontal surface is 40 °-52 °.
Preferably, the length of upper shell is less than the length of lower house.
Preferably, the air channel comprises the air channel housing, and described air channel enclosure interior also is provided with the fan sheet.
Preferably, the fan sheet comprises some left flat-fans and some right flat-fans, and described left flat-fan and right flat-fan are centroclinal to the air channel respectively.
Preferably, the angle of left flat-fan and vertical surface is 30 °-45 °; The angle of described right flat-fan and vertical surface is 30 °-45 °.
Preferably, blast hole lays respectively at the upper left corner and the upper right corner on blowing engine one surface, and described fan sheet comprises some upper fan sheets and some lower fan sheets, and described upper fan sheet and lower fan sheet are downward-sloping respectively.
Preferably, the angle of upper fan sheet and horizontal surface is 10 °-50 °; The angle of described lower fan sheet and horizontal surface is 10 °-50 °.
Preferably, defogger comprises the blowing engine fixed mount that is connected with the defogger housing that is positioned at the defogger housing, and described blowing engine is fixed in the defogger housing by the blowing engine fixed mount, and described air channel is connected on the blowing engine fixed mount.
Preferably, defogger comprises the heating arrangement fixed mount that is connected with the defogger housing that is positioned at the defogger housing, and described heating arrangement is fixed in the defogger housing by the heating arrangement fixed mount.
Preferably, heating arrangement is the PTC electric heater, and described heating arrangement fixed mount comprises the metallic support that is connected with the defogger housing and is positioned at that metallic support both sides are connected with metallic support can be suspended on the PTC electric heater insulation fixed block on metallic support.
Preferably, heating arrangement is electric heater, and described electric heater comprises: the main element in framework and framework, and described main element comprises have some heat sink strips and some heat elements placed side by side, described heat sink strip and heat element interval setting; Described heat element comprises the core pipe and is installed on the interior PTC thermally dependent resistor of core pipe; Be provided with heat conductive silica gel between described core pipe and adjacent heat sink strip, described core pipe and described heat sink strip are bonding by described heat conductive silica gel; The end that described main element is used for the connection electric current is coated with water-tight glue frame, and described water proof glue frame is positioned at framework.
Preferably, the end that main element is used for the connection electric current is provided with lead-out tablet, described core pipe contains the conducting strip that is electrically connected to the PTC thermally dependent resistor, and described conducting strip extends the knockout pipe and is electrically connected to lead-out tablet, and part and lead-out tablet that described conducting strip extends the knockout pipe are arranged in described water-tight glue frame.
Preferably, the both ends of main element are coated with water-tight glue frame.
Preferably, the end surface of described main element is coated with water-tight glue.
Preferably, the core pipe is the aluminium siphunculus, and described core pipe comprises two heat radiation wall and two stressed walls, and described two heat radiation walls are relative with adjacent heat sink strip, and the thickness of described heat radiation wall is greater than the thickness of stressed wall.
Further preferred, the thickness of heat radiation wall is 1.0-1.4mm; The thickness of described stressed wall is 0.6-1.0mm.
Preferably, the core pipe comprises two heat radiation wall and two stressed walls, and described two heat radiation walls are relative with adjacent heat sink strip, and described stressed wall has to the concave arc of core pipe inner recess.
Preferably, main element also comprises the low voltage control component that is positioned at main element one side, and described low voltage control component is between outermost heat sink strip and framework.
Further preferred, low voltage control component comprises temperature sensor, and described temperature sensor is riveted on outermost heat sink strip.
Preferably, air outlet comprises 8.
Second purpose of the present utility model is to provide a kind of battery-driven car, comprises defogger, and the air outlet of described defogger is towards windshield, and wherein, described defogger is above-mentioned defogger.
The utility model arranges an air channel at the wind outlet of the blowing engine of defogger, by the fan sheet in air channel or air channel and air channel, the wind that blowing engine is produced by boasting blows on heating arrangement uniformly, make wind speed and the leaving air temp of air outlet of defogger more even, the regional defrosting effect of Windshield is more consistent, and whole defrosting area also is improved.Simultaneously, particularly the regional heat dissipation capacity of PTC electric heater is consistent for the whole heating arrangement that evenly also makes of wind speed, and surface temperature is even, has also improved the service life of heating arrangement.The structure of the preferred electric heater of the utility model is unique simultaneously, end integral coating water-tight glue frame at the main element of electric heater, high voltage component particularly conducting strip, lead-out tablet, wire etc. is sealed in water-tight glue frame fully, the water resistance of whole electric heater is excellent, even electric heater is immersed in water, safety performance also can be protected.Preferably, the both ends surface coverage of main element has water-tight glue, namely by water-tight glue, the whole end of main element is all filled and coated, make water-tight glue frame and main element etc. form an an organic whole, not only further improve its water resistance, and the switching performance of raising main element, improve its shockproof properties etc.Preferably, the core pipe of unique texture not only further is beneficial to the waterproof of electric heater, and is conducive to the preparation of electric heater and the heat transfer of PTC thermally dependent resistor.The Combination property of the electric heater of the utility model preparation such as anti-ly puncture, high voltage performance, anti-vibration performance etc. also all are greatly increased.It is mainly used in electronlmobil defrosting or heating, and safety performance is high, long service life, and save the energy, extended the course continuation mileage of battery-driven car.Its preparation simultaneously is simple, easily large-scale the application.
Description of drawings
Fig. 1 is the structural representation of the defogger of the utility model one embodiment.
Fig. 2 is the blower fan structure schematic diagram of the defogger of the utility model one embodiment.
Fig. 3 is the structural representation in air channel of the defogger of the utility model one embodiment.
Fig. 4 is the horizontal profile structure schematic diagram in air channel of the defogger of the utility model one embodiment.
Fig. 5 is the vertical section structural representation in air channel of the defogger of the utility model one embodiment.
Fig. 6 is the main element cross-sectional view of heating arrangement of the defogger of the utility model one embodiment.
Fig. 7 is the main element perspective view of heating arrangement of the defogger of the utility model one embodiment.
Fig. 8 is the cross-sectional view of core pipe of the electric heater of a kind of embodiment of the present utility model.
Fig. 9 is the structural representation of the electric heater of a kind of embodiment of the present utility model.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The relative azimuth terms such as upper and lower, left and right of the present utility model, the expression relative position relation of each member of defogger in diagram so that defogger is described, but and is not used in the installation relation of these members at defogger limited.
Consult Fig. 1, the utility model provides a kind of defogger, comprises defogger housing 5, is positioned at blowing engine 1, air channel 2, the heating arrangement of defogger housing 5, and is positioned at the air outlet 4 of surface of shell.
Wherein, defogger housing 5 the utility model are restriction not, and the various defogger housings 5 that can be known to the skilled person are such as thinking panel beating square casing etc.
Wherein, the preferred defogger of the utility model comprises the blowing engine fixed mount 6 that is connected with defogger housing 5 that is positioned at defogger housing 5, blowing engine 1 is fixed in defogger housing 5 by blowing engine fixed mount 6, prevent blowing engine 1 in running car because of the vibrations displacement.The shape of blowing engine fixed mount 6, structure etc. can adopt shape and structure commonly used etc., its with also can adopt being connected of defogger housing 5 such as conventional connect etc., do not repeat them here.Its material can adopt metal etc.
Consult Fig. 2, wherein, the surface of blowing engine 1 comprises blast hole 11, and the fresh wind of the generation in blowing engine 1 blows out by blast hole 11.Number the utility model of blast hole 11 is restriction not, can design as required, can be one, also can be for a plurality of, its position also can be designed as required, for example blast hole 11 can comprise one, and when blast hole 11 was positioned at the center on blowing engine 1 one surfaces, design of the present utility model can be for the second wind passage mouth 23 greater than the first wind passage mouth 22, by air channel 2, wind diffusion with concentrating makes wind speed even, heating arrangement each several part surface uniform wind-engaging.Blast hole 11 also can comprise more than three, when blast hole 11 lays respectively at blowing engine 1 one surfaces peripheral, when being blast hole 11 dispersion distribution, design of the present utility model can be for the second wind passage mouth 23 less than the first wind passage mouth 22, by air channel 2, the strong wind that disperses is concentrated, made wind speed even, heating arrangement each several part surface uniform wind-engaging.what certainly can understand is position according to blast hole 11, the size of the second wind passage mouth 23 and the first wind passage mouth 22 can design according to actual needs, be mainly used in changing the wind direction of concentrated wind, make it even, for example in the present embodiment, blast hole 11 also can comprise two, lay respectively at the both sides on blowing engine 1 one surfaces, left shell 211 and right shell body 213 be 2 inner inclination to the air channel respectively, the wind on both sides is blown to uniformly the each several part surface of heating arrangement, particularly centre portion also can blow to wind uniformly, varying in size of the first wind passage mouth 22 and the second wind passage mouth 23, when this two blast hole 11 lays respectively at the upper left corner on blowing engine 1 one surfaces and the upper right corner, on designing in the present embodiment, lower house 212, 214 is also downward-sloping, the wind at upper angle is blown to uniformly the each several part surface of heating arrangement, particularly end portion also can blow to wind uniformly, in the present embodiment, the angle of inclination of concrete design upper shell 21 is greater than lower house 214, in the present embodiment, the second concrete wind passage mouth 23 can be greater than the first wind passage mouth 22.
Main improvements of the present utility model are air channel 2, by the fan sheet in air channel 2 or air channel 2 and air channel 2, the wind that blowing engine 1 is produced by boasting blows on heating arrangement uniformly, make wind speed and the leaving air temp of air outlet 4 of defogger more even, the regional defrosting effect of Windshield is more consistent, and whole defrosting area also is improved.
Consult Fig. 3,4,5, wherein, air channel 2 is between blast hole 11 and heating arrangement, and air channel 2 comprises the first wind passage mouth 22 and second wind passage mouth 23 at both ends, and the wind that blast hole 11 blows out enters the first wind passage mouth 22 and blows out from the second wind passage mouth 23 by air channel 2; The wind that the second wind passage mouth 23 blows out by another relative side surface heat radiation of heating arrangement, sheds in air outlet 4 afterwards to a side surface of heating arrangement.wherein, the first wind passage mouth 22 can be connected also and can not connect with blowing engine 1, the first wind passage mouth 22 can dock also and can not dock with blast hole 11, the utility model is preferred, the first wind passage mouth 22 is connected with blowing engine 1, air channel 2 is connected on blowing engine fixed mount 6, for example can be by the extended edge strip that contains screw hole of wind passage mouth periphery, this air channel 2 is fastened on blowing engine fixed mount 6, blast hole 11 all is arranged in the first wind passage mouth 22, guarantee entering of blowing engine 1 apoplexy, simultaneously air channel 2 is fixedly mounted in defogger housing 5, be appreciated that air channel 2 also can not adopt fixed mount according to shape or adopt separately fixed mount fixing etc.
Main improvements of the present utility model are air channel 2, and by varying in size of the first wind passage mouth 22 and the second wind passage mouth 23, the high wind of concentrating or disperseing that blowing engine 1 is produced by boasting blows on heating arrangement uniformly.Wherein, air channel 2 comprises air channel housing 21, the air channel housing comprises left shell 211, upper shell 212, right shell body 213 and the lower house 214 of sealing-in in twos, connection the utility model of left shell 211, upper shell 212, right shell body 213 and lower house 214 is restriction not, can be one-body molded, also can adopt captive joint mode commonly used to be connected and fixed, wherein, big or small the utility model of left shell 211, upper shell 212, right shell body 213 and lower house 214 is restriction not, concrete, in the present embodiment, preferred, upper shell 212 is less.In the present embodiment, blast hole 11 comprises two, lay respectively at the both sides on blowing engine 1 one surfaces, preferably, left shell 211 and right shell body 213 be 2 inner inclination to the air channel respectively, the high wind of both sides is drawn in, blow to uniformly on heating arrangement, particularly make the core of heating arrangement can blow to uniformly wind.In better situation, preferred, left shell 211 is 10 °-34 ° with the angle of vertical surface; Right shell body 213 is 10 °-34 ° with the angle of vertical surface, and in the present embodiment, concrete left shell 211 is 22 ° with the angle of vertical surface, and right shell body 213 is 22 ° with the angle of vertical surface.In the present embodiment, concrete blast hole 11 lays respectively at the upper left corner and the upper right corner on blowing engine 1 one surfaces, further preferred, upper shell 212 and lower house 214 are downward-sloping respectively, make the bottom of the heating arrangement of small volume also can blow to uniformly wind, in better situation, preferably, upper shell 212 is 0-10 ° with the angle of horizontal surface, lower house 214 is 40 °-52 ° with the angle of horizontal surface, in the present embodiment, concrete upper shell 212 is 4 ° with the angle of horizontal surface, and lower house 214 is 46 ° with the angle of horizontal surface.
In better situation, preferred, air channel housing 21 inside also are provided with the fan sheet, and the movable adjusting of fan sheet also can be fixed and can not regulate, the not restriction of the shape of fan sheet and material the utility model.Preferably, the fan sheet comprises some left flat-fans 217 and some right flat-fans 218, and air channel 2 213 is separated into some parts from vertical direction from left shell 211 to right shell body.Wherein, number the utility model of left flat-fan 217, right flat-fan 218 is restriction not, can also can a left flat-fan 217 and right flat-fan 218 specifically be set respectively in the present embodiment for a plurality of for one, air channel 2 213 is separated into three parts from vertical direction from left shell 211 to right shell body.Wherein, the not restriction of left and right fan sheet 217, big or small the utility model of 218, can be than left and right housing 211,213 slightly little, in the present embodiment, concrete left and right fan sheet 217,218 upper/lower terminal are connected on upper and lower casing 212,214, front end is positioned at the second wind passage mouth 23 places, and the rear end is connected with upper and lower fan sheet 215,216.Blast hole 11 can comprise two, lays respectively at the both sides on blowing engine 1 one surfaces, and is preferred, left flat-fan 217 and right flat-fan 218 are centroclinal to the air channel respectively, the high wind of both sides is drawn in, blow to uniformly on heating arrangement, particularly make the core of heating arrangement can blow to uniformly wind.In better situation, preferred, left flat-fan 217 is 30 °-45 ° with the angle of vertical surface, right flat-fan 218 is 30 °-45 ° with the angle of vertical surface, in the present embodiment, concrete left flat-fan 217 is 37.2 ° with the angle of vertical surface, and right flat-fan 218 is 37.2 ° with the angle of vertical surface.Preferably, the fan sheet also can comprise some upper fan sheets 215 and some lower fan sheets 216, and air channel 2 214 is separated into some parts from horizontal direction from upper shell 212 to lower house.Wherein, number the utility model of upper fan sheet 215, lower fan sheet 216 is restriction not, can for one also can be for a plurality of, a upper fan sheet 215 and a lower fan sheet 216 specifically are set respectively in the present embodiment, air channel 2 214 is separated into three parts from horizontal direction from upper shell 212 to lower house.Wherein, big or small the utility model of upper fan sheet 215, lower fan sheet 216 is restriction not, can be very little, be specifically as follows the in the same size of fan sheet 215, lower fan sheet 216 in the present embodiment, width is at 20mm-30mm, keep watch and more evenly blow to the bottom of heating arrangement, in the present embodiment, concrete width can be 25mm, the left and right two ends of upper fan sheet 215, lower fan sheet 216 are connected on left and right housing 211,213, the rear end is positioned at the first wind passage mouth 22 places, and front end is connected with left and right fan sheet 217,218.in the present embodiment, blast hole 11 lays respectively at the upper left corner and the upper right corner on blowing engine 1 one surfaces, further preferred, upper fan sheet 215 and lower fan sheet 216 are downward-sloping respectively, make the bottom of the heating arrangement of small volume also can blow to uniformly wind, in better situation, preferably, upper fan sheet 215 is 10 °-50 ° with the angle of horizontal surface, lower fan sheet 216 is 10 °-50 ° with the angle of horizontal surface, the angle of inclination of preferred upper fan sheet 215 is greater than the angle of inclination of lower fan sheet 216, in the present embodiment, concrete upper fan sheet 215 is 31 ° with the angle of horizontal surface, lower fan sheet 216 is 26 ° with the angle of horizontal surface.
Heating arrangement the utility model is restriction not, can adopt this area various heating arrangements commonly used, and the preferred heating arrangement of the utility model is PTC electric heater 3.Consult Fig. 6,7,9, this electric heater comprises: the main element in framework 38 and framework 38.Wherein, the main element in framework 38 can contain one and also can contain a plurality ofly etc., and also not restriction of relation is placed in the connection between main element.As accompanying drawing 1-5, wherein, main element comprises have some heat sink strips 33 and some heat elements 32 placed side by side, described heat sink strip 33 and heat element 32 intervals settings.
Wherein, framework 38 can comprise four frames that are positioned at main element four limits, after four frames are adopted fixed forms combination commonly used, also can be for the rectangular box body etc.The utility model such as the structure of framework 38, material are restriction not, can adopt conventional design, is not giving unnecessary details at this.
wherein, main element generally comprises for the end that connects foreign current, conducting strip 35 in core pipe 321 generally from then on the end extend, lead-out tablet by being positioned at the end etc. is connected with foreign current, in a plurality of core pipes 321, extended conducting strip 35 generally collects on large lead-out tablet, then be connected with foreign current by conductor wire 37 grades that are connected with lead-out tablet, conductor wire 37 generally passes from a side of framework 38, also can pass from many sides, the utility model is restriction not, according to actual conditions, design, for example when the both ends of main element are equipped with lead-out tablet, can be connected with foreign current from two ends, can pass respectively from two body side frames 38 at the two ends of main element.
Preferably, the end that main element is used for the connection electric current is coated with water-tight glue frame 31, water-tight glue water-tight is set at the both ends of whole main element, water-tight glue frame 31 can coat the two-end part of whole main element in framework 38, i.e. core pipe 321 and all be filled with water-tight glue between the hole that is connected with being connected with the end of core pipe 321 heat sink strip 33 placed side by side.preferably, the end that main element is used for the connection electric current is provided with lead-out tablet, described core pipe 321 contains the conducting strip that is electrically connected to 35 with PTC thermally dependent resistor 322, described conducting strip 35 extends knockout pipe 321 and is electrically connected to lead-out tablet, part and lead-out tablet that described conducting strip 35 extends knockout pipe 321 are arranged in described water-tight glue frame 31, the conducting strip 35 that is electrically connected to PTC thermally dependent resistor 322 all is covered by this water-tight glue from the extended part of the both ends open of core pipe 321 and lead-out tablet etc. wherein, electrical connection can be adopted commonly used the electrical connection, can also contain other conducting material etc. between conducting strip 35 and lead-out tablet, the utility model is restriction not.Wherein, main element can be connected with foreign current from an end, also can be connected with foreign current by both ends, namely can lead-out tablet be set in an end of main element, also can lead-out tablet be set at both ends, wherein, number the utility model of the lead-out tablet of every end is not restriction also.
In better situation, the both ends of preferred main element are coated with water-tight glue frame 31, and core pipe 321 is sealed fully, and high voltage component is sealed in core pipe 321 fully, the water resistance of whole electric heater is excellent, even electric heater is immersed in water, safety performance also can be protected, and it is mainly used in electronlmobil defrosting or heating, safety performance is high, long service life, and save the energy, extended the course continuation mileage of battery-driven car.
Preferably, the end surface of main element is coated with water-tight glue, it can be the continuity of water-tight glue frame 31, also can apply separately, form an integral body with water-tight glue frame 31, namely by water-tight glue, the whole end of main element all filled and coated, forming more excellent water-tight performance and the switching performance of main element, improving its shockproof properties etc.In better situation, even preferred, the afterbody of the wire 37 of drawing also is coated with water-tight glue, further improves its water resistance.
Shape the utility model of water-tight glue frame 31 is restriction not, design as required, can realize by the mode that the mould filling is solidified etc., the mould that matches with the main element end of first design for example, main element is fixed in this mould, then filling water-tight glue, solidify rear the taking-up and get final product, and adopts the mode of molding to realize tight seamless coating.。
Material the utility model of water-tight glue frame 31 is preferably the silica gel through special processing, special thermal treatment for example, be preferably heat resisting temperature more than or equal to 280 ℃, coefficient of thermal conductivity more than or equal to 1.4 W/ (mK), the cohesiveness silica gel more than or equal to 4MPa.
Wherein, heat element 32 comprises core pipe 321 and is installed on the interior PTC thermally dependent resistor 322 of core pipe 321.
Wherein, core pipe 321 the utility model are preferably the aluminium siphunculus, and PTC thermally dependent resistor 322 is installed in core pipe 321, and after PTC thermally dependent resistor 322 heating powers, heat first passes on core pipe 321, and then passes to heat sink strip 33 from core pipe 321, and rear wind is taken away heat radiation with heat.The utility model has large stretch of water-tight glue to coat sealing at the both ends open place of aluminium siphunculus, has guaranteed the water resistance of electric heater.Consult accompanying drawing 8, core pipe 321 comprises two the heat radiation walls relative with heat sink strip 33 3211 and two the other stressed walls 3212 that are connected with described two heat radiation walls 3211, and the utility model is preferred, and heat radiation wall 3211 is different with the thickness of stressed wall 3212.Further preferred, the thickness of heat radiation wall 3211 is greater than the thickness of stressed wall 3212, and for example close contact of pottery of wall 3211 and insulating material that is conducive to dispel the heat is conducive to the heat transfer of PTC thermally dependent resistor 322.In better situation, preferred, the thickness of heat radiation wall 3211 is 1.0-1.4mm; The thickness of stressed wall 3212 is 0.6-1.0mm, and in the present embodiment, the thickness of concrete heat radiation wall 3211 is 1.35mm, and the thickness of stressed wall 3212 is 0.9mm.
Consult accompanying drawing 8, the preferred stressed wall 3212 of the utility model has to the concave arc of core pipe 321 inner recess, further guarantee the filling of water-tight glue, particularly be applied in structure of the present utility model, easier in the encapsulating process, core pipe 321 is not crooked, and structure is more stable, has further guaranteed the water resistance of electric heater.
Wherein, the height of core pipe 321 can design according to actual needs, and such as according to the size of the PTC thermally dependent resistor 322 of installing, structure etc., in the present embodiment, the outer height of concrete core pipe 321 is 9.2mm, and interior height is 6.5mm.
Generally, core pipe 321 is metallic material, material according to core pipe 321,322 of core pipe 321 and PTC thermally dependent resistors are provided with insulating material, preferably, insulating material is ceramic wafer, in better situation, concrete in the present embodiment is alumina ceramic plate 323, further optimizes the performance of electric heater, and the ceramic wafer of clamping has excellent insulating power, high coefficient of thermal conductivity and good heat-resisting quantity, the insulating power of electric heater have greatly been improved, possess water resistance, in a humid environment, the insulating power of electric heater are still secure.
Wherein, be provided with heat conductive silica gel between core pipe 321 and adjacent heat sink strip 33, core pipe 321 with described heat sink strip 33 by the above-mentioned main element of the bonding composition of described heat conductive silica gel.Surperficial the utility model of core pipe 321 is restriction not, for example also can there be sandblast face on namely dispel the heat wall 3211 surfaces, core pipe 321 surface that is used for being connected with heat sink strip 33, form by blasting craft, before sand-blast finish, also can carry out alligatoring etc. to the surface of core pipe 321, by the surface of core pipe 321 being carried out the sandblast alligatoring, between the surface of core pipe 321 and heat sink strip 33, heat conductive silica gel is set, bond strength between core pipe 321 and heat sink strip 32 is good, is conducive to improve heat conductivility.
PTC thermally dependent resistor 322 can be selected PTC thermally dependent resistor 322 known in those skilled in the art, and the present invention requires to select the PTC thermally dependent resistor 322 that heating rate is fast, power is high, consumption of current is low.In general, described PTC thermally dependent resistor 322 comprises conducting base, PTC material and conductive electrode, described PTC material is positioned in the middle of two conducting bases and is attached on conducting base, described conductive electrode lays respectively on two conducting bases, and be connected to electrode terminal, described electrode terminal converges into wire harness, is used for external source.The thermally dependent resistor of PTC described in the present embodiment 322 is installed in core pipe 321 and forms heat element, the inwall gapless of PTC thermally dependent resistor 322 and core pipe 321 coordinates, and at PTC thermally dependent resistor 322 and 321 clamping alumina ceramic plates 323 of core pipe, described alumina ceramic plate 323 has good insulating power and heat conductivility; Make PTC thermally dependent resistor 322 and 321 insulation of core pipe, and the heat that PTC thermally dependent resistor 322 is produced can be transmitted to heat sink strip 33 by core pipe 321 effectively.
The heating rate of PTC thermally dependent resistor 322 is fast, and power is high, and is large in order to make dissipating area, also can be provided with two heat sink strips 33 between two adjacent heat elements, and be provided with two heat sink strips 33 between outermost heat element and framework.it is worth mentioning that, in other embodiment of the present utility model, can also arrange one between two adjacent heat elements, or the heat sink strip more than three 33, and arrange one between outermost heat element and framework, or the heat sink strip more than three 33, specifically arrange according to the power of PTC thermally dependent resistor 322 and the radiating efficiency of heat sink strip 33, preferably, one or two heat sink strips 33 are set between two adjacent heat elements, and two heat sink strips 33 are set between outermost heat element and framework, so that PTC thermally dependent resistor 322 can conduct heat to heat sink strip 33 quickly, and distribute efficiently by heat sink strip 33.
In the present embodiment, heat sink strip 33 generally comprises two connecting straps 331 and is located at radiating gill 332 between two connecting straps 331, described radiating gill 332 is for being undulatory radiating gill 332, described connecting strap 331 and radiating gill 332 are aluminium flake, for example: the aluminium flake of thick 0.8mm can be made connecting strap 331, aluminium flake bending with rear 0.2mm is corrugated again, by soldering, radiating gill 332 is fixed between two connecting straps 331, forms heat sink strip 33.The dissipating area of the heat sink strip 33 of this material and shape is larger, and radiating efficiency is better.Heat sink strip 33 also can be formed with sandblast face for the surface of the connecting strap 331 that is connected with core pipe 321, makes the bond strength between core pipe 321 and heat sink strip 33 better, further improves the heat conductivility between core pipe 321 and heat sink strip 33.
The utility model is preferred, and main element also comprises the low voltage control component that is positioned at main element one side, and the parameter variation by the induction main element feeds back to control system, cuts off circuit, guarantees the safety of car load.Preferably, low voltage control component is between outermost heat sink strip 33 and framework, consult Fig. 8, further preferred, low voltage control component comprises temperature sensor 34, temperature sensor 34 can be arranged on outermost heat sink strip 33 by the mode of riveted joint, by the temperature of induction on heat sink strip, when the temperature of sensing when temperature sensor 34 surpasses setting value, feed back to control system, cut off circuit, guarantee the safety of car load.
Heating arrangement can be connected also and can not connect with the second wind passage mouth 23, and in the present embodiment, heating arrangement adopts PTC electric heater 3, and volume is little, and heating arrangement can not be connected with the second wind passage mouth 23.
Defogger comprises the heating arrangement fixed mount 7 that is connected with defogger housing 5 that is positioned at defogger housing 5, and heating arrangement fixed mount 7 connects with adopting routine being connected of defogger housing 5, does not repeat them here.The utility model is preferred, heating arrangement fixed mount 7 comprises the metallic support 71 that is connected with defogger housing 5 and is positioned at that metallic support 71 both sides are connected with metallic support 71 can be suspended on heating arrangement insulation fixed block 72 on metallic support 71, prevents the heating arrangement electric leakage.
The utility model provides a kind of battery-driven car simultaneously, comprises defogger, and the air outlet 4 of described defogger is towards windshield, and wherein, defogger is above-mentioned defogger.Blowing engine 1 cold wind out can become hot blast through after heating arrangement, can defrost towards windshield.
The wind of air outlet 4 can be received windshield by the technical battery that those skilled in the art commonly use, and for example can connect by drafting apparatus the air outlet 4 of defogger; Described drafting apparatus can comprise quantitatively corresponding with described air outlet 4 vent hose etc., vent hose is connected to opening being positioned on air port on Automobile instrument towards windshield, send after-blow to shield glass through vent hose from the air port by the warm braw that defogger produces, thereby remove frost mist on glass.Vent hose can be to have certain flexible India rubber tube or plastic hose etc.The air port can comprise tuyere body, is positioned at the flats tuyere of tuyere body one end, and is positioned at the cylindric connecting portion that the tuyere body other end is connected with described vent hose; Described tuyere is communicated with connecting portion; Described connecting portion can overlap if be set on vent hose after passing the wind hole.The flats tuyere has dwindled air-out area, is conducive to increase air-out speed.Further, described air port also comprises the adapter plate that is extended towards periphery by level in the middle part of tuyere body, and described adapter plate is fixed in described wind hole instrument carrier panel upper surface on every side, for example can fix by screw.The air port can be that the plastic parts of 1.5-3mm is one-body molded by thickness.During installation, after the connecting portion in air port was passed the wind hole from the instrument carrier panel top, mounting plate was to instrument carrier panel; Simultaneously vent hose can be sheathed on the connecting portion periphery, or connecting portion is sheathed on the vent hose periphery.
Defogger defrosting effect of the present utility model and defrosting area are more reasonable, and longer service life.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (28)
1. a defogger, is characterized in that, comprises the defogger housing, is positioned at blowing engine, air channel, the heating arrangement of defogger housing, and be positioned at the air outlet of defroster housing surface;
The surface of described blowing engine comprises blast hole, and the wind in described blowing engine blows out by blast hole;
Described air channel is between blast hole and heating arrangement, and described air channel comprises the first wind passage mouth and second wind passage mouth at both ends, and the wind that blast hole blows out enters the first wind passage mouth and blows out from the second wind passage mouth by the air channel;
The wind that the second wind passage mouth blows out by another relative side surface heat radiation of heating arrangement, sheds in air outlet afterwards to a side surface of heating arrangement;
Varying in size of described the first wind passage mouth and the second wind passage mouth.
2. defogger according to claim 1, is characterized in that, described blast hole comprises one, and described blast hole is positioned at the center on blowing engine one surface, and described the second wind passage mouth is greater than the first wind passage mouth.
3. defogger according to claim 1, is characterized in that, described blast hole comprises that more than 3, described blast hole lays respectively at the periphery on blowing engine one surface, and described the second wind passage mouth is less than the first wind passage mouth.
4. defogger according to claim 1, it is characterized in that, described blast hole comprises two, described blast hole lays respectively at the both sides on blowing engine one surface, described air channel comprises the air channel housing, described air channel housing comprises upper shell, left shell, lower house and the right shell body of sealing-in in twos, and described left shell and right shell body are respectively to the air channel inner inclination.
5. defogger according to claim 4, is characterized in that, the angle of described left shell and vertical surface is 10 °-34 °; The angle of described right shell body and vertical surface is 10 °-34 °.
6. defogger according to claim 4, is characterized in that, described blast hole lays respectively at the upper left corner and the upper right corner on blowing engine one surface, and described upper shell and lower house are downward-sloping respectively.
7. defogger according to claim 6, is characterized in that, the downward-sloping angle of described upper shell is less than the downward-sloping angle of lower house.
8. defogger according to claim 6, is characterized in that, the angle of described upper shell and horizontal surface is 0 °-10 °; The angle of described lower house and horizontal surface is 40 °-52 °.
9. defogger according to claim 6, is characterized in that, the length of described upper shell is less than the length of lower house.
10. defogger according to claim 4, is characterized in that, described air channel comprises the air channel housing, and described air channel enclosure interior also is provided with the fan sheet.
11. defogger, is characterized in that according to claim 10, described fan sheet comprises some left flat-fans and some right flat-fans, and described left flat-fan and right flat-fan are centroclinal to the air channel respectively.
12. described defogger, is characterized in that according to claim 11, the angle of described left flat-fan and vertical surface is 30 °-45 °; The angle of described right flat-fan and vertical surface is 30 °-45 °.
13. defogger, is characterized in that according to claim 10, described blast hole lays respectively at the upper left corner and the upper right corner on blowing engine one surface, and described fan sheet comprises some upper fan sheets and some lower fan sheets, and described upper fan sheet and lower fan sheet are downward-sloping respectively.
14. described defogger, is characterized in that according to claim 13, the angle of described upper fan sheet and horizontal surface is 10 °-50 °; The angle of described lower fan sheet and horizontal surface is 10 °-50 °.
15. defogger according to claim 1, it is characterized in that, described defogger comprises the blowing engine fixed mount that is connected with the defogger housing that is positioned at the defogger housing, and described blowing engine is fixed in the defogger housing by the blowing engine fixed mount, and described air channel is connected on the blowing engine fixed mount.
16. defogger, is characterized in that according to claim 1, described defogger comprises the heating arrangement fixed mount that is connected with the defogger housing that is positioned at the defogger housing, and described heating arrangement is fixed in the defogger housing by the heating arrangement fixed mount.
17. described defogger according to claim 16, it is characterized in that, described heating arrangement is the PTC electric heater, and described heating arrangement fixed mount comprises the metallic support that is connected with the defogger housing and is positioned at that metallic support both sides are connected with metallic support can be suspended on the PTC electric heater insulation fixed block on metallic support.
18. defogger according to claim 1, it is characterized in that, described heating arrangement is electric heater, described electric heater comprises: the main element in framework and framework, described main element comprises have some heat sink strips and some heat elements placed side by side, described heat sink strip and heat element interval setting;
Described heat element comprises the core pipe and is installed on the interior PTC thermally dependent resistor of core pipe;
Be provided with heat conductive silica gel between described core pipe and adjacent heat sink strip, described core pipe and described heat sink strip are bonding by described heat conductive silica gel;
The end that described main element is used for the connection electric current is coated with water-tight glue frame, and described water proof glue frame is positioned at framework.
19. electric heater according to claim 18, it is characterized in that: the end that described main element is used for the connection electric current is provided with lead-out tablet, described core pipe contains the conducting strip that is electrically connected to the PTC thermally dependent resistor, described conducting strip extends the knockout pipe and is electrically connected to lead-out tablet, and part and lead-out tablet that described conducting strip extends the knockout pipe are arranged in described water-tight glue frame.
20. electric heater according to claim 18 is characterized in that: the both ends of described main element are coated with water-tight glue frame.
21. electric heater according to claim 18 is characterized in that: the end surface of described main element is coated with water-tight glue.
22. defogger according to claim 18 is characterized in that: described core pipe is the aluminium siphunculus, and described core pipe comprises two heat radiation wall and two stressed walls, and described two heat radiation walls are relative with adjacent heat sink strip, and the thickness of described heat radiation wall is greater than the thickness of stressed wall.
23. defogger according to claim 22 is characterized in that: the thickness of described heat radiation wall is 1.0-1.4mm; The thickness of described stressed wall is 0.6-1.0mm.
24. defogger according to claim 18 is characterized in that: described core pipe comprises two heat radiation wall and two stressed walls, and described two heat radiation walls are relative with adjacent heat sink strip, and described stressed wall has to the concave arc of core pipe inner recess.
25. defogger according to claim 18 is characterized in that: described main element also comprises the low voltage control component that is positioned at main element one side, and described low voltage control component is between outermost heat sink strip and framework.
26. defogger according to claim 25 is characterized in that: described low voltage control component comprises temperature sensor, and described temperature sensor is riveted on outermost heat sink strip.
27. defogger, is characterized in that according to claim 1, described air outlet comprises 8.
28. a battery-driven car comprises defogger, the air outlet of described defogger is characterized in that towards windshield, and described defogger is the described defogger of claim 1-27 any one.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223604 CN203268003U (en) | 2013-04-28 | 2013-04-28 | Defroster and electric vehicle |
| KR1020157033821A KR101819812B1 (en) | 2013-04-28 | 2014-04-25 | Defroster and vehicle having the same |
| JP2016508003A JP6127205B2 (en) | 2013-04-28 | 2014-04-25 | Defroster and vehicle |
| PCT/CN2014/076297 WO2014177026A1 (en) | 2013-04-28 | 2014-04-25 | Defroster and vehicle having the same |
| EP14792105.0A EP2969673B1 (en) | 2013-04-28 | 2014-04-25 | Defroster and vehicle having the same |
| US14/887,830 US10059306B2 (en) | 2013-04-28 | 2015-10-20 | Defroster and a vehicle having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223604 CN203268003U (en) | 2013-04-28 | 2013-04-28 | Defroster and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203268003U true CN203268003U (en) | 2013-11-06 |
Family
ID=49498467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320223604 Expired - Lifetime CN203268003U (en) | 2013-04-28 | 2013-04-28 | Defroster and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203268003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014177026A1 (en) * | 2013-04-28 | 2014-11-06 | Shenzhen Byd Auto R&D Company Limited | Defroster and vehicle having the same |
-
2013
- 2013-04-28 CN CN 201320223604 patent/CN203268003U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014177026A1 (en) * | 2013-04-28 | 2014-11-06 | Shenzhen Byd Auto R&D Company Limited | Defroster and vehicle having the same |
| EP2969673A4 (en) * | 2013-04-28 | 2017-03-08 | BYD Company Limited | Defroster and vehicle having the same |
| US10059306B2 (en) | 2013-04-28 | 2018-08-28 | Byd Company Limited | Defroster and a vehicle having the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203327269U (en) | Electric heater, defroster, air-conditioning heating system and automobile | |
| CN103517469B (en) | PTC electrical heating element, electric heater unit and electric car | |
| EP2962526B1 (en) | Electric heater, defroster, heating and air conditioning system and vehicle | |
| US10059306B2 (en) | Defroster and a vehicle having the same | |
| CN204167420U (en) | A kind of lithium ion battery and lithium ion battery bag | |
| CN203410429U (en) | Defroster and electric vehicle | |
| CN104118299B (en) | A kind of electric heater, frost removal, air conditioning and heating system and automobile | |
| CN203268003U (en) | Defroster and electric vehicle | |
| CN203416434U (en) | Insulated high-power automobile air-conditioning PTC heater | |
| CN105313639B (en) | A kind of electric automobile air conditioner silica gel heating film heater | |
| CN104118398A (en) | Defroster and electrombile | |
| CN105489966A (en) | Power battery pack | |
| CN205752436U (en) | Power battery pack | |
| CN210272490U (en) | New forms of energy electric automobile battery package | |
| CN103253106A (en) | Water heater of new energy automobile | |
| CN203254925U (en) | Water heater of new energy automobile | |
| CN102843790A (en) | Electrical heater and fabricating method thereof, and vehicle | |
| CN214647951U (en) | Vehicle-mounted display screen and vehicle | |
| CN110418445B (en) | PTC heating single tube, PTC heating core and PTC heater | |
| CN107471960A (en) | A kind of automobile and its water-cooled electric heater unit | |
| CN209676512U (en) | A kind of ptc heater with improved shovel piece | |
| CN210381352U (en) | PTC heating single tube, PTC heating core and PTC heater | |
| CN207449571U (en) | A kind of automobile and its water-cooled electric heater unit | |
| CN207449572U (en) | A kind of automobile and its water-cooled electric heater unit | |
| CN207449573U (en) | A kind of automobile and its water-cooled electric heater unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |