CN114516271A - New energy automobile power electronic converter high-voltage control case - Google Patents

New energy automobile power electronic converter high-voltage control case Download PDF

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Publication number
CN114516271A
CN114516271A CN202210163865.4A CN202210163865A CN114516271A CN 114516271 A CN114516271 A CN 114516271A CN 202210163865 A CN202210163865 A CN 202210163865A CN 114516271 A CN114516271 A CN 114516271A
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China
Prior art keywords
new energy
energy automobile
voltage control
power electronic
electronic converter
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CN202210163865.4A
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Chinese (zh)
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CN114516271B (en
Inventor
李萍
高晶晶
李芮莹
吕海涛
李兆宇
董柏秀
穆嘉禄
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Heilongjiang Institute of Technology
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Heilongjiang Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00Supplying electric power to auxiliary equipment of vehicles
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20863Forced ventilation, e.g. on heat dissipaters coupled to components
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of new energy automobile accessories and discloses a high-voltage control box of a new energy automobile power electronic converter, which comprises a base and an outer shell arranged at the upper end of the base, wherein a built-in element is fixedly arranged on the base, a fixing mechanism is fixedly arranged on one side of the outer shell and comprises an L-shaped clamping plate fixedly arranged at one end of the outer shell and a connecting plate fixedly arranged at one end of the base, threaded holes are formed in the L-shaped clamping plate and the connecting plate, bolts are connected with the threaded holes in an internal thread manner, a rubber sleeve is also fixedly arranged on the connecting plate and communicated with the threaded holes, and an expansion opening is formed in the circumferential direction of the surface of the rubber sleeve; the inner wall of the rubber sleeve is attached to the bolt, so that friction force is increased, up-and-down movement of the bolt is limited, the bolt is prevented from being separated from a threaded hole due to up-and-down vibration, the anti-slip thread is good in effect, and the fastening effect is good.

Description

New energy automobile power electronic converter high-voltage control case
Technical Field
The invention relates to the technical field of new energy automobile accessories, in particular to a high-voltage control box of a power electronic converter of a new energy automobile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, novel in technology and novel in structure. The voltage of a power battery of the new energy automobile is 200-400V, and power battery wire harnesses of a whole automobile high-voltage electric appliance such as a motor controller, an air conditioning system, a DC/DC system and a charging system are disordered if the whole automobile high-voltage electric appliance is directly connected with the power battery, so that the cost is increased, the whole automobile space is occupied, the safety hidden danger of the whole automobile is increased, and therefore the new energy automobile needs to be provided with a high-voltage control box to perform high-voltage distribution on the power battery.
The publication number CN214189318U provides a new energy automobile power electronic converter high-voltage control box, which comprises a box body and a box cover, wherein the box cover is fixed at the top of the box body, fixing blocks are symmetrically fixed at two sides of the box body, a through hole is formed in the middle of each fixing block, a bolt is inserted into the inner wall of each through hole, vertical plates are symmetrically fixed at the top of each fixing block, each vertical rod is fixedly connected with the box body, and a locking mechanism for preventing the bolt from loosening is arranged between the two vertical plates; therefore, the existing requirements are not met, and a new energy automobile power electronic converter high-voltage control box is provided for the existing requirements.
Disclosure of Invention
The invention provides a high-voltage control box of a new energy automobile power electronic converter, which has the beneficial effects of preventing a bolt from being separated from a threaded hole due to vertical vibration, having a good anti-slip effect and a good fastening effect, and solves the problem that the bolt can vibrate vertically and the threaded hole is easy to slip under continuous vibration in the background technology, so that the bolt directly falls off from the threaded hole to influence the fixation of a device.
The invention provides the following technical scheme: a high-voltage control box of a new energy automobile power electronic converter comprises a base and an outer shell arranged at the upper end of the base, wherein a built-in element is fixedly arranged on the base, a fixing mechanism is fixedly arranged on one side of the outer shell and comprises an L-shaped clamping plate fixedly arranged at one end of the outer shell and a connecting plate fixedly arranged at one end of the base, threaded holes are formed in the L-shaped clamping plate and the connecting plate, bolts are connected with the threaded holes in a threaded manner, rubber sleeves are fixedly arranged on the connecting plate and are mutually communicated with the threaded holes, expansion openings are formed in the circumferential direction of the surface of each rubber sleeve, four groups of fixing mechanisms are arranged, and the four groups are correspondingly arranged on two sides of the base; the bolt is inserted into the threaded hole and the rubber sleeve from top to bottom in sequence, so that the bolt and the base are fastened conveniently.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the shell is provided with a through hole, the side wall of the shell is provided with an avoidance groove, the inner wall of the shell is fixedly provided with a positioning column, and the side wall of the shell is also provided with a heat dissipation hole arranged adjacent to the avoidance groove; through the installation louvre, be convenient for dispel the heat to built-in component.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the base is provided with a positioning hole, the positioning hole is positioned in the outer shell, and the positioning hole is matched with the positioning column; the positioning columns are inserted into the positioning holes, so that the L-shaped clamping plates and the threaded holes in the connecting plate can be aligned mutually.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the outer wall surface of the built-in element is provided with a switch mechanism, the switch mechanism comprises a switch piece which is in insertion connection with the avoidance groove and a first contact block which is fixedly installed at one end of the switch piece, the central part of the switch piece is rotatably installed on the side wall of the built-in element, one end, away from the switch piece, of the first contact block is also fixedly installed with an extension rod, the lower end of the first contact block is provided with a second contact block, and the second contact block is fixedly installed on the side wall of the built-in element; when the first contact block and the second contact block are contacted, the circuit in the built-in element is closed.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the arc extinguishing mechanism comprises a gas storage box body fixedly mounted at the upper end of the base and a communicating pipe communicated with one side of the gas storage box body, a telescopic push rod is slidably mounted on the communicating pipe, a top plate is fixedly mounted on the telescopic push rod, and the top plate corresponds to the extension rod in position; the telescopic push rod and the top plate move upwards, the first contact block and the second contact block can be immediately separated, and automatic power off is facilitated.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the side wall of the telescopic push rod is fixedly provided with vertical teeth, the vertical teeth are meshed with gears, a central shaft is inserted into the central part of the gears, one end of the central shaft, far away from the gears, is fixedly provided with a fan, and the central shaft is sleeved with a fixing piece fixedly connected with the outer wall of the communicating pipe; the fan can accelerate air circulation after rotation, and is convenient for fast heat dissipation to a high-temperature environment.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the middle shaft, the fan and the fixing piece are respectively provided with two groups, and the middle shaft, the fan and the fixing piece are arranged at two ends of the gear in a mirror image mode; thereby facilitating the increase of the heat dissipation effect.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the lower end of the telescopic push rod is fixedly provided with a first piston, the first piston is slidably arranged in the communicating pipe, the lower end of the first piston is fixedly provided with a first elastic piece, and the first elastic piece is fixedly connected with the inner bottom wall of the communicating pipe; through the installation of the first piston, the position of the communicating pipe is convenient to seal.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: an air pipe is inserted into the air storage box body and is connected with the through hole in an inserting manner, an air bag is fixedly mounted at the upper end of the air pipe, and the lower end of the air pipe extends to the communicating pipe; when gas exists in the gas storage box body, the gas bag is in a bulging state, and whether gas leaks in the gas storage box body or not can be judged visually conveniently.
As an alternative of the new energy automobile power electronic converter high-voltage control box, the new energy automobile power electronic converter high-voltage control box comprises: the air bag is fixedly provided with a second piston, the second piston is slidably mounted in the air storage box body, a second elastic piece is fixedly mounted on the second piston, and one end, far away from the second piston, of the second elastic piece is fixedly connected with the top wall inside the air storage box body, so that the gas inside the air storage box body can be conveniently compressed.
The invention has the following beneficial effects:
1. this new energy automobile power electronic converter high-voltage control case, in the reference column alternates to the locating hole, can ensure that the screw hole on L shape joint board and the connecting plate can counterpoint mutually, alternate the bolt to in screw hole and the rubber sleeve by last under to in proper order, be convenient for fasten shell body and base, rubber sleeve inner wall and bolt laminating have increased frictional force, have restricted the up-and-down motion of bolt, avoid the bolt to break away from the screw hole because of vibrations from top to bottom, the antiskid silk is effectual, fastening effect is good.
2. This new energy automobile power electronic converter high voltage control case, first touching block external power supply, when first touching block and second touching block contact, the circuit in the built-in component is put through, if the circuit high temperature condition appears when the switch-on, the phenomenon that the gas in the gas storage box can take place to expand when being heated, gas after the inflation can drive telescopic push rod and roof up motion, can be immediately with first touching block and the separation of second touching block, be convenient for auto-power-off, prevent that inside high temperature from and influence built-in component's operation.
3. This new energy automobile power electronic converter high pressure control case, during high temperature, the flexible push rod that continuously goes on up the motion can drive vertical tooth and up move to make the gear rotatory, the gear drives axle and fan rotation, and the both ends of gear all are provided with the fan for the circulation of air is convenient for dispel the heat fast to high temperature environment, excellent in use effect.
4. This new energy automobile power electronic converter high pressure control case, gas are located between first piston and the second piston, and gas is compressed by second elastic component and second piston for high-temperature gas is toward first piston department displacement, and gas after the inflation can drive first piston and promote flexible push rod up movement in the intercommunication pipe, has increased gaseous leakproofness, prevents that high-temperature gas from leaking.
5. This new energy automobile power electronic converter high pressure control box upwards promotes the in-process, and first elastic component is stretched, consequently after gaseous cooling, first elastic component can drive first piston and flexible push rod and down resume the normal position, excellent in use effect, the used repeatedly of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the overall structure of the present invention.
Fig. 3 is a partial cross-sectional view of the outer housing of the present invention.
Fig. 4 is an enlarged view of the point a in fig. 3 according to the present invention.
Fig. 5 is a schematic structural diagram of an arc extinguishing mechanism of the invention.
FIG. 6 is a sectional view of the inside of the air container body according to the present invention.
In the figure: 1. a base; 11. positioning holes; 12. a built-in element; 2. an outer housing; 21. a through hole; 22. an avoidance groove; 23. a positioning column; 3. heat dissipation holes; 4. a fixing mechanism; 41. an L-shaped clamping plate; 42. a threaded hole; 43. a bolt; 44. a connecting plate; 45. a rubber sleeve; 46. an expansion opening; 5. a switch mechanism; 51. a switch member; 52. a first contact block; 53. an extension pole; 54. a second contact block; 6. an arc extinguishing mechanism; 61. a gas storage tank body; 611. an air tube; 612. an air bag; 613. a second piston; 614. a second elastic member; 62. a communicating pipe; 63. a telescopic push rod; 631. a first piston; 632. a first elastic member; 64. a top plate; 65. vertical teeth; 66. a gear; 67. a middle shaft; 68. a fan; 69. and a fixing member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
In the embodiment, the problem of how to ensure that the bolt 43 does not slip under the vibration condition is intended to be solved, please refer to fig. 1-2, a new energy automobile power electronic converter high-voltage control box includes a base 1 and a housing 2 arranged at the upper end of the base 1, a built-in element 12 is fixedly mounted on the base 1, a fixing mechanism 4 is fixedly mounted on one side of the housing 2, the fixing mechanism 4 includes an L-shaped clamping plate 41 fixedly mounted at one end of the housing 2 and a connecting plate 44 fixedly mounted at one end of the base 1, threaded holes 42 are formed in the L-shaped clamping plate 41 and the connecting plate 44, the threaded holes 42 are in threaded connection with the bolt 43, a rubber sleeve 45 is further fixedly mounted on the connecting plate 44, the rubber sleeve 45 is communicated with the threaded holes 42, expansion openings 46 are formed in the circumferential direction of the surface of the rubber sleeve 45, four sets of the fixing mechanisms 4 are provided, and two sets of four sets of corresponding to each other are mounted on two sides of the base 1.
Seted up through-hole 21 on the shell body 2, shell body 2 lateral wall has been seted up and has been dodged groove 22, and 2 inner walls fixed mounting of shell body have reference column 23, and shell body 2 lateral wall still sets up and dodges the louvre 3 that groove 22 is adjacent to be set up.
The base 1 is provided with a positioning hole 11, the positioning hole 11 is located in the outer shell 2, and the positioning hole 11 is matched with the positioning column 23.
Place shell body 2 in the upper end of base 1, and alternate reference column 23 in to locating hole 11, be convenient for guarantee that shell body 2 accurately sits in the upper end of base 1, ensure that screw hole 42 on L shape joint board 41 and the connecting plate 44 can counterpoint mutually, alternate bolt 43 to screw hole 42 and rubber sleeve 45 in proper order from top to bottom, and rotating and fastening it with base 1, L shape joint board 41 fastening laminating after the fastening is in the upper end of connecting plate 44, rubber sleeve 45 is the inflation state, inflation opening 46 grow, the laminating of rubber sleeve 45 inner wall and bolt 43, frictional force has been increased, the up-and-down motion of bolt 43 has been restricted, avoid bolt 43 to break away from screw hole 42 because of vibrations from top to bottom, the antiskid is effectual, it is effectual to fasten.
Through installation louvre 3, be convenient for dispel the heat to built-in component 12, avoid inside high temperature and damage, the guard effect is good.
Example 2
The present embodiment is intended to facilitate solving the problem of how to automatically open the circuit of the internal component 12 at a high temperature, and is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 2-5, an outer wall surface of the internal component 12 is provided with a switch mechanism 5, the switch mechanism 5 includes a switch member 51 inserted and connected with the avoidance groove 22, and a first contact block 52 fixedly installed at one end of the switch member 51, a central portion of the switch member 51 is rotatably installed on a side wall of the internal component 12, an end of the first contact block 52 away from the switch member 51 is also fixedly installed with an extension rod 53, a lower end of the first contact block 52 is provided with a second contact block 54, and the second contact block 54 is fixedly installed on a side wall of the internal component 12.
The arc extinguishing mechanism 6 comprises a gas storage box body 61 fixedly installed at the upper end of the base 1 and a communicating pipe 62 communicated with one side of the gas storage box body 61, a telescopic push rod 63 is slidably installed on the communicating pipe 62, a top plate 64 is fixedly installed on the telescopic push rod 63, and the position of the top plate 64 corresponds to that of the extension rod 53.
An operator upwards dials the switch piece 51, the switch piece 51 rotates around the center of the switch piece 51 as a circle center, and then the first contact block 52 is driven to move towards the second contact block 54, the first contact block 52 is externally connected with a power supply, the second contact block 54 is electrically connected with the built-in element 12, and therefore when the first contact block 52 is in contact with the second contact block 54, a circuit in the built-in element 12 is switched on.
If the circuit high temperature condition appears when the switch-on, the gas in the gas storage box 61 can be given in the heat of built-in component 12, and the gas in the gas storage box 61 is heated and can take place expanded phenomenon, and gas after the inflation gets into in communicating pipe 62 to drive telescopic push rod 63 upward movement, roof 64 of telescopic push rod 63 can be immediately with first contact piece 52 and the separation of second contact piece 54, the auto-power-off of being convenient for, prevent that inside high temperature from and influence the operation of built-in component 12.
When the circuit needs to be disconnected, the switch member 51 is turned downwards, and the first contact block 52 is separated from the second contact block 54, so that the operation of the device is convenient.
After the circuit disconnection, still have the air to switch on and produce electric arc in the clearance that first contact piece 52 and second contact piece 54, lead to built-in component 12's temperature to last rising, the speed that telescopic push rod 63 upward movement was accelerated to the inflation that is heated to the interior gas of cooperation gas storage box 61, and then draws the distance between big first contact piece 52 and the second contact piece 54, is convenient for carry out arc extinguishing work for outage efficiency, the protecting effect is good.
Example 3
The present embodiment is intended to promote to solve the problem of how to quickly dissipate heat in a high-temperature environment, and the present embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 5, a vertical tooth 65 is fixedly installed on a side wall of the telescopic push rod 63, a gear 66 is installed on the vertical tooth 65 in a meshing manner, a central shaft 67 is inserted in a central portion of the gear 66, a fan 68 is fixedly installed at one end of the central shaft 67, which is far away from the gear 66, and a fixing member 69 fixedly connected with an outer wall of the communication pipe 62 is sleeved on the central shaft 67.
The middle shaft 67, the fan 68 and the fixing piece 69 are respectively provided with two groups, and are installed at two ends of the gear 66 in a mirror image mode.
Under mounting 69's fixed action, gear 66 and central axis 67's position does not change, and during the high temperature, the flexible push rod 63 that lasts up-moving can drive vertical tooth 65 up-moving to make gear 66 rotatory, gear 66 drives central axis 67 and fan 68 rotation, and the both ends of gear 66 all are provided with fan 68, accelerate the circulation of air, are convenient for dispel the heat fast to high temperature environment, excellent in use effect.
Example 4
In the present embodiment, it is intended to facilitate to solve the problem of how to determine whether there is air leakage in the air storage tank 61, and the present embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 4-6, a first piston 631 is fixedly mounted at a lower end of the telescopic push rod 63, the first piston 631 is slidably mounted inside the communication pipe 62, a first elastic member 632 is fixedly mounted at a lower end of the first piston 631, and the first elastic member 632 is fixedly connected to a bottom wall inside the communication pipe 62.
An air pipe 611 is inserted into the air storage box 61, the air pipe 611 is inserted into the through hole 21, an air bag 612 is fixedly mounted at the upper end of the air pipe 611, and the lower end of the air pipe 611 extends to the communicating pipe 62.
The air bag 612 is fixedly provided with a second piston 613, the second piston 613 is slidably mounted in the air storage box body 61, a second elastic member 614 is fixedly mounted on the second piston 613, and one end of the second elastic member 614 far away from the second piston 613 is fixedly connected with the top wall of the interior of the air storage box body 61.
Gas is between first piston 631 and second piston 613, and the elasticity of second elastic component 614 is less than the elasticity of first elastic component 632, and second elastic component 614 can drive second piston 613 downstream, and the compressed air of being convenient for make high-temperature gas toward first piston 631 department displacement, and gas after the inflation can drive first piston 631 and promote flexible push rod 63 and move up communicating pipe 62 in, has increased gaseous leakproofness, prevents that high-temperature gas from leaking.
Upwards promote the in-process, first elastic component 632 is stretched, consequently after gaseous cooling, first elastic component 632 can drive first piston 631 and flexible push rod 63 and down resume the normal position, excellent in use effect, the used repeatedly of being convenient for.
The gas in the gas storage box body 61 can enter the air bag 612 through the gas pipe 611, the gas pipe 611 penetrates through the through hole 21, the air bag 612 is exposed at the upper end of the outer shell 2, when the gas exists, the air bag 612 is in a bulging state, if the gas in the gas storage box body runs off, the air bag 612 can be deflated, and whether the gas leaks in the gas storage box body 61 or not can be judged visually conveniently.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a new energy automobile power electronic converter high voltage control case, includes base (1) and shell body (2) of setting in base (1) upper end, fixed mounting has built-in component (12), its characterized in that on base (1): shell body (2) one side fixed mounting has fixed establishment (4), fixed establishment (4) include L shape joint board (41) and connecting plate (44) of fixed mounting in base (1) one end of fixed mounting in shell body (2) one end, threaded hole (42) have all been seted up on L shape joint board (41) and connecting plate (44), threaded hole (42) female connection has bolt (43), it has rubber sleeve (45) to go back fixed mounting on connecting plate (44), rubber sleeve (45) and threaded hole (42) communicate each other, inflation opening (46) have been seted up to rubber sleeve (45) surface circumference, fixed establishment (4) are provided with four groups, four groups two liang of correspondences are installed in base (1) both sides.
2. The high-voltage control box of the new energy automobile power electronic converter according to claim 1, characterized in that: seted up through-hole (21) on shell body (2), shell body (2) lateral wall has been seted up and has been dodged groove (22), shell body (2) inner wall fixed mounting has reference column (23), and shell body (2) lateral wall still sets up and dodges louvre (3) that groove (22) are adjacent sets up.
3. The high-voltage control box of the new energy automobile power electronic converter according to claim 1, characterized in that: the positioning structure is characterized in that a positioning hole (11) is formed in the base (1), the positioning hole (11) is located in the outer shell (2), and the positioning hole (11) is matched with the positioning column (23) in a mutually matched mode.
4. The high-voltage control box of the new energy automobile power electronic converter according to claim 3, characterized in that: built-in component (12) outer wall surface is provided with on-off mechanism (5), on-off mechanism (5) include with dodge switch spare (51) that groove (22) alternate the connection and first contact joint piece (52) of fixed mounting in switch spare (51) one end, the central part of switch spare (51) rotates to be installed on built-in component (12) lateral wall, the one end that switch spare (51) were kept away from in first contact joint piece (52) is fixed mounting still has extension rod (53), the lower extreme that first contact joint piece (52) is provided with second contact joint piece (54), second contact joint piece (54) fixed mounting is on built-in component (12) lateral wall.
5. The high-voltage control box of the new energy automobile power electronic converter according to claim 1, characterized in that: arc extinguishing mechanism (6) include gas storage tank body (61) and intercommunication communicating pipe (62) in gas storage tank body (61) one side of fixed mounting in base (1) upper end, slidable mounting has telescopic push rod (63) on communicating pipe (62), fixed mounting has roof (64) on telescopic push rod (63), roof (64) and extension rod (53) position are corresponding.
6. The high-voltage control box of the new energy automobile power electronic converter according to claim 5, characterized in that: the telescopic push rod (63) is characterized in that vertical teeth (65) are fixedly mounted on the side wall of the telescopic push rod (63), a gear (66) is mounted on the vertical teeth (65) in a meshed mode, a middle shaft (67) penetrates through the central portion of the gear (66), a fan (68) is fixedly mounted at one end, far away from the gear (66), of the middle shaft (67), and a fixing piece (69) fixedly connected with the outer wall of the communicating pipe (62) is sleeved on the middle shaft (67).
7. The high-voltage control box of the new energy automobile power electronic converter according to claim 6, characterized in that: the middle shaft (67), the fan (68) and the fixing piece (69) are respectively provided with two groups, and the two groups are installed at the two ends of the gear (66) in a mirror image mode.
8. The new energy automobile power electronic converter high-voltage control box of claim 5, characterized in that: telescopic putter (63) lower extreme fixed mounting has first piston (631), first piston (631) slidable mounting is inside communicating pipe (62), the lower extreme fixed mounting of first piston (631) has first elastic component (632), first elastic component (632) and the inside diapire fixed connection of communicating pipe (62).
9. The high-voltage control box of the new energy automobile power electronic converter according to claim 8, characterized in that: an air pipe (611) is inserted into the air storage box body (61), the air pipe (611) is inserted into the through hole (21), an air bag (612) is fixedly mounted at the upper end of the air pipe (611), and the lower end of the air pipe (611) extends to the communicating pipe (62).
10. The high-voltage control box of the new energy automobile power electronic converter according to claim 9, characterized in that: a second piston (613) is fixedly installed on the air bag (612), the second piston (613) is slidably installed in the air storage box body (61), a second elastic piece (614) is fixedly installed on the second piston (613), and one end, far away from the second piston (613), of the second elastic piece (614) is fixedly connected with the top wall inside the air storage box body (61).
CN202210163865.4A 2022-02-22 2022-02-22 High-voltage control box of new energy automobile power electronic converter Active CN114516271B (en)

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CN106783444A (en) * 2016-12-12 2017-05-31 金平娣 A kind of exchange type arc-extinguishing mechanism of power circuit breaker
CN208412095U (en) * 2018-05-02 2019-01-22 常州华奥航空科技有限公司 A kind of first radome fairing of unmanned plane
CN109461854A (en) * 2018-10-12 2019-03-12 徐州华邦塑业有限公司 A kind of new energy car battery outer housing
CN111216569A (en) * 2020-04-23 2020-06-02 宁波依诺汽车电子有限公司 New energy automobile group battery protector
CN213007561U (en) * 2020-07-01 2021-04-20 四川南部县聚力机械有限公司 Generator right suspension support for new energy automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106783444A (en) * 2016-12-12 2017-05-31 金平娣 A kind of exchange type arc-extinguishing mechanism of power circuit breaker
CN208412095U (en) * 2018-05-02 2019-01-22 常州华奥航空科技有限公司 A kind of first radome fairing of unmanned plane
CN109461854A (en) * 2018-10-12 2019-03-12 徐州华邦塑业有限公司 A kind of new energy car battery outer housing
CN111216569A (en) * 2020-04-23 2020-06-02 宁波依诺汽车电子有限公司 New energy automobile group battery protector
CN213007561U (en) * 2020-07-01 2021-04-20 四川南部县聚力机械有限公司 Generator right suspension support for new energy automobile

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