A kind of electric automobile direct current integrated formula charger
Technical field
The utility model relates to a kind of New-energy electric vehicle direct current integrated formula charger.
Background technology
The quick electric energy supply mode of existing electric automobile adopts split type dc charging motor usually, namely adopt DC generator at outdoor, charger at indoor split type charging scheme, these chargers are placed on the construction land of the certain area of indoor need, and charger structure diversification, power demand is different, structure is also different, can not meet standardization, seriation, the generalization demand of charger; Simultaneously, during the work of this charger unattended operation, charging gun waterproof and dustproof, the problem such as antitheft can't fully ensure, has simultaneously the potential safety hazards such as charging gun short circuit, local temperature be overheated.
Direct current integrated formula charger is in development at present; owing to existing the opposition contradictory relation between complete machine ventilation and heat performance and degree of protection requirement; so the direct current integrated machine of trial run mostly can not meet simultaneously, and degree of protection is high, the requirement of perfect heat-dissipating; indivedual charger heat dispersions are poor; when built-in temperature surpasses the limit value of safeguard protection; charger quits work voluntarily, so perfect heat-dissipating, structural design that degree of protection is high have become the technical bottleneck of charger development.
The utility model content
In order to solve in prior art the technical problems such as charger poor radiation degree of protection is low, the utility model provides a kind of electric automobile direct current integrated formula charger, and this electric automobile direct current integrated formula charger has perfect heat-dissipating, the advantages such as degree of protection is high, charging operations is simple, performance safety.
The utility model for the technical scheme that solves its technical problem employing is: a kind of electric automobile direct current integrated formula charger, comprise housing and be arranged on the interior power module of housing, housing comprises front panel, rear board, left panel and right panel, and the bottom of rear board is provided with rear air inlet; The bottom of left panel is provided with the side air inlet, and the middle part of left panel is provided with air outlet; Or the bottom of right panel is provided with the side air inlet, and the middle part of right panel is provided with air outlet.
Power module is between side air inlet and air outlet.
Be provided with in housing be used to the power module storehouse that holds power module, the power module storehouse comprises the duct shield that is arranged on top, power module storehouse, be arranged on the carriage of bottom, power module storehouse and be arranged on side plate around the power module storehouse.
In the power module storehouse, the top of power module is provided with at least one radiator fan, and the position of radiator fan is corresponding with the position of air outlet.
The rotating shaft of radiator fan is obliquely installed with respect to vertical direction.
Be provided with Qianmen on front panel, rear board is provided with back door, and the edge at described Qianmen is provided with sealing strip, and the edge at described back door is provided with sealing strip.
In housing, the rear air inlet place is provided with protector and is used for supporting the protective stent of fixed-guard, and protector comprises dust cover and is used for the fixedly fixed mount of dust cover.
In housing, side air inlet place is provided with protector and is used for supporting the protective stent of fixed-guard, and protector comprises dust cover and is used for the fixedly fixed mount of dust cover.
When described electric automobile direct current integrated formula charger was positioned over ground, the distance between rear air inlet and ground was 125mm~317mm, and the distance between side air inlet and ground is 100mm~235mm.
Be provided with in housing be used to the charging gun storehouse that holds charging gun, the charging gun door is contained in the charging gun storehouse, is provided with in the charging gun storehouse for the charging gun holder of fixing described charging gun, for detection of the photoelectric sensor of described charging gun inserting state, for detection of the door status switch of charging gun door opening and closing state, for the electromagnetic lock of locking the charging gun door.
The beneficial effects of the utility model are: this electric automobile direct current integrated formula charger has perfect heat-dissipating, the advantages such as degree of protection is high, charging operations is simple, performance safety.
Description of drawings
Below in conjunction with accompanying drawing, electric automobile direct current integrated formula charger described in the utility model is described in further detail.
Fig. 1 is the front view after electric automobile direct current integrated formula charger removes front panel.
Fig. 2 is the left view of electric automobile direct current integrated formula charger.
Fig. 3 is the rearview of electric automobile direct current integrated formula charger.
Fig. 4 is the right view of electric automobile direct current integrated formula charger.
Fig. 5 is the front view in power module storehouse.
Fig. 6 is the left view in power module storehouse.
Fig. 7 is the decomposition texture schematic diagram of protector.
Fig. 8 is the front view at position, charging gun storehouse.
Fig. 9 removes the charging gun right view at position, charging gun storehouse behind the door.
Wherein 1. radiator fans, 2. power module, 3. air outlet, 4. side air inlet, 5. rear air inlet, 6. housing, 61. front panels, 62. rear boards, 63. left panel, 64. right panel, 7. power module storehouse, 71. duct shields, 72. side plate, 81. protectors, 82. protective stents, 83. dust covers, 90. the charging gun storehouse, 91. cable wire holes, 92. charging gun doors, 94. photoelectric sensors, 95. the charging gun holder, 96. door status switch, 97. electromagnetic locks.
Embodiment
Below in conjunction with accompanying drawing, electric automobile direct current integrated formula charger described in the utility model is elaborated.A kind of electric automobile direct current integrated formula charger comprises housing 6 and is arranged on the interior power module 2 of housing 6 that housing 6 comprises front panel 61, rear board 62, left panel 63 and right panel 64, and the bottom of rear board 62 is provided with rear air inlet 5; The bottom of left panel 63 is provided with side air inlet 4, and the middle part of left panel 63 is provided with air outlet 3; Or the bottom of right panel 64 is provided with side air inlet 4, and the middle part of right panel 64 is provided with air outlet 3, as shown in Figures 1 to 4.
Heat dissipation design is most important for whole mechanical structure, and whether the parts that are related to this electric automobile direct current integrated formula charger inside can work and useful life of parts.In Duct design, cater under power module itself convection model of air-out on air intake, complete machine bottom and rear portion arrange respectively side air inlet and rear air inlet, as shown in Figures 2 and 3, in the present embodiment, the bottom of rear board 62 is provided with rear air inlet 5, and the bottom of left panel 63 is provided with side air inlet 4, and the middle part of left panel 63 is provided with air outlet 3.Power module 2 between side air inlet 4 and air outlet 3,, at the interior formation of whole housing 6 convection current air flue from the bottom up, can be taken away net quantity of heat like this.
In the dc charging motor heat dissipation element, the power module caloric value is maximum, and the fan cooling design of himself inside can not meet the requirement of the long-time high power work of system.In order to strengthen radiating effect, avoid the heat effects that power module sheds to arrive other components and parts work, designed heat dissipation wind channel, cause equipment can't work and affect the problem in useful life to solve excess Temperature in zone.Specifically be provided with in housing 6 be used to the power module storehouse 7 that holds power module 2, power module storehouse 7 comprises the duct shield 71 that is arranged on 7 tops, power module storehouse, be arranged on the carriage of 7 bottoms, power module storehouse and be arranged on side plate 72 around power module storehouse 7, Fig. 5 and shown in Figure 6.Described carriage coordinates and encloses the seal cavity that covers into placement power module 2 with duct shield 71, side plate 72, described carriage has the ventilation hole that leads to atmospheric environment, in power module storehouse 7, the top of power module 2 is provided with at least one radiator fan 1, and the position of radiator fan 1 is corresponding with the position of air outlet 3, radiator fan 1 can forced air flow, thereby has solved the bad defect of charger radiating effect of the prior art.For meeting the requirement of degree of protection IP55, the top of power module 2 is provided with two radiator fans 1, and the rotating shaft of radiator fan 1 is obliquely installed with respect to vertical direction, can be with the oblique air outlet 3 that is circulated to of wind in air channel.
In addition, also need to consider simultaneously other components and parts heat dissipation problems:
1, strengthen the space that components and parts are put as far as possible, increase its area of dissipation, make local temperature be unlikely to too high, generate heat less device and the larger device of heating intersect layout, in order to avoid cause device failure.
2,, for the local overheating phenomenon that likely occurs, can adopt the method for heater members near casing solved.
3, adopt rational deployment, increase the gap between device and device.
4, meeting under the condition of technical indicator, selecting the device that thermal resistance is little, performance is good.
Mainly adopted following measures in the design of safeguard structure:
Be provided with Qianmen on front panel 61, rear board 62 is provided with back door, and the edge at described Qianmen is provided with sealing strip, and the edge at described back door is provided with sealing strip, guarantees sealing effectiveness, to meet the requirement of degree of protection IP55.Each slab joint of housing 6, be welded seam with welding manner, and the defects such as all weld invariably thoroughly, corrode, to reach the water proof and dust proof purpose.
In housing 6, rear air inlet 5 places are provided with protector 81 and are used for supporting the protective stent 82 of fixed-guard 81, and protector 81 comprises dust cover 83 and is used for the fixedly fixed mount of dust cover 83.In housing 6, side air inlet 4 places are provided with protector 81 and be used for support the protective stent 82 of fixed-guard 81, and protector 81 comprises dust cover 83 and be used for the fixedly fixed mount of dust cover 83, as shown in Figure 7.
Side air inlet, rear air inlet all adopt protective stent 82, with the relative installation integral raising, to guarantee that water is difficult for penetrating into complete machine when overflowing water.When described electric automobile direct current integrated formula charger was positioned over ground, the distance between rear air inlet 5 and ground was 125mm~317mm, and the distance between side air inlet 4 and ground is 100mm~235mm.
The intelligent degree of this electric automobile direct current integrated formula charger is high, during unattended operation work, by the user, according to the interface prompt Self-operating, is used.in order to solve the charging gun waterproof, the safety problem such as antitheft, therefore be provided with in housing 6 be used to the charging gun storehouse 90 that holds charging gun, as Fig. 4, Fig. 8, shown in Figure 9, this 91 charging gun storehouse 90 is arranged at the upper right quarter of this electric automobile direct current integrated formula charger, the right lower quadrant of this electric automobile direct current integrated formula charger also is provided with cable wire hole 91, charging gun door 92 is contained in charging gun storehouse 90, be provided with the charging gun holder 95 for fixing described charging gun in charging gun storehouse 90, photoelectric sensor 94 for detection of described charging gun inserting state, door status switch 96 for detection of charging gun door 92 on off states, the electromagnetic lock 97 that is used for locking charging gun door 92, the operating state in this charging gun storehouse 90 can with the mutual real-time communication of control system.
The above; be only specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or, according to equivalent variations and modification that the utility model scope of patent protection is done, all should still belong to the category that this patent is contained.