CN210062889U

CN210062889U - High-voltage power supply control connector for new energy automobile

Info

Publication number: CN210062889U
Application number: CN201920325603.7U
Authority: CN
Inventors: 陈海洋
Original assignee: Shenzhen Juxin Digital Technology Co Ltd
Current assignee: Shenzhen Juxin Digital Technology Co Ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-02-14
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses a high-voltage power supply control connector for a new energy automobile, which comprises a main body and an upper cover, wherein one side of the upper part of the main body is hinged with the upper cover, the other side of the upper cover and the main body is buckled through a hasp, and the front side wall and the rear side wall of the main body are respectively provided with a power output connector and a power input connector; through the arrangement of the short-circuit protector and the overload protector in the main body, when a short circuit or overload occurs in a high-voltage power supply loop of the new energy automobile, the short-circuit protector and the overload protector are tripped and disconnected, and the function of control protection is achieved; can make the plug-in strip combined floodgate switch on the return circuit through pushing up the plug-in strip push rod, make through drop-down plug-in strip push rod, plug-in strip open circuit, and when drop-down plug-in strip push rod, the gangbar can jointly promote short circuit protector push rod and overload protection ware push rod for short circuit protection ware and overload protection ware trip simultaneously, further open circuit, and through the condenser arc extinguishing, promote the operational safety nature, and have good waterproof nature.

Description

High-voltage power supply control connector for new energy automobile

Technical Field

The utility model relates to a new forms of energy electric automobile field specifically is a high voltage power supply control connector for new forms of energy automobile.

Background

At present, with increasingly serious environmental problems and energy crisis, new energy vehicles are in the process of being transported in the background. The new energy automobile mainly provides main energy by a battery system, and the energy transmission of the whole system is transmitted by a high-voltage electric system. Due to the constraints in the aspects of cost, technology and the like, the traditional electric automobile often directly utilizes the plug-in connection of a connector for connecting a battery pack and a high-voltage power distribution system. This is simple and reduces the cost. But the safety is extremely low when the vehicle is used, because when the vehicle needs to be maintained, the high-voltage loop of the vehicle cannot be guaranteed to be effectively disconnected only by the control circuit, and therefore, the maintenance risk is brought to maintenance personnel; therefore, a high voltage power control connector for a new energy automobile is provided by those skilled in the art to solve the problems in the background art.

Disclosure of Invention

An object of the utility model is to provide a high voltage power supply control connector for new energy automobile to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-voltage power supply control connector for a new energy automobile comprises a main body and an upper cover, wherein the upper cover is hinged to one side of the upper part of the main body, the upper cover and the other side of the main body are buckled through a hasp, a power supply output connector and a power supply input connector are respectively arranged on the front side wall and the rear side wall of the main body, and a plurality of strip-shaped notches are arranged on the top surface of the main body; the short-circuit protector and the overload protector which are mutually closed are arranged in the main body, a short-circuit protector push rod and an overload protector push rod are respectively arranged on the short-circuit protector and the overload protector, the upper ends of the short-circuit protector push rod and the overload protector push rod respectively penetrate through the corresponding strip-shaped gaps on the top surface of the main body, the inner wall of the right side in the main body is rotatably connected with a knife switch push rod through a pin shaft, the knife switch push rod penetrates through the corresponding strip-shaped gaps on the top surface of the main body, the left side wall of the upper part of the knife switch push rod is fixedly connected with a linkage rod, the linkage rod is positioned on the rear side of the short-circuit protector push rod and the overload protector push rod, a rocker is fixed on the left side of the linkage rod; the power input connector is connected with the input end of the switch blade through the wire harness, the output end of the switch blade is connected with the input end of the short-circuit protector through the wire harness, the input end of the short-circuit protector is connected with the input end of the overload protector through the wire harness, and the output end of the short-circuit protector is connected with the power output connector through the wire harness.

As a further aspect of the present invention: the left side wall of the lower part of the knife switch push rod is connected with the upper end of the spring, and the lower end of the spring is connected with the fixed rod on the inner wall of the right side of the main body.

As a further aspect of the present invention: and capacitors are connected in parallel at two ends of the knife switch.

As a further aspect of the present invention: the bottom surface of the head end of the elastic strip is fixedly connected with a copper electric contact, the position, corresponding to the copper electric contact, of the top surface of the switch blade is provided with a recess, electrodes are arranged on two sides of the inner wall of the recess, and the electrodes on the two sides are respectively electrically connected with the input end and the output end of the switch blade.

As a further aspect of the present invention: the end face of the upper cover is provided with a sealing gasket.

As a further aspect of the present invention: the power output connector and the power input connector are provided with sealing rings at the joints with the front side wall and the rear side wall of the main body, and the power output connector and the power input connector are of a waterproof design and are internally provided with tangible sealing rings.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structural design, and through the arrangement of the short-circuit protector and the overload protector in the main body, when short circuit or overload occurs in the high-voltage power supply loop of the new energy automobile, the short-circuit protector and the overload protector trip and break back to play a role of control protection; the switch blade is switched on and switched on a loop by pushing the switch blade push rod upwards and pressing the elastic strip downwards at the left end of the linkage rod, the linkage rod is separated from the elastic strip by pulling the switch blade push rod downwards, the switch blade is switched off the loop, and when the switch blade push rod is pulled downwards, the linkage rod can jointly push the short-circuit protector push rod and the overload protector push rod, so that the short-circuit protector and the overload protector trip simultaneously, the loop is further switched off, and the operation safety is improved by arc extinction through the capacitor; and has good waterproofness.

Drawings

Fig. 1 is a schematic front view of a high-voltage power supply control connector for a new energy vehicle.

Fig. 2 is a schematic top view of a main body of a high-voltage power supply control connector for a new energy vehicle.

Fig. 3 is a schematic view of a high-voltage power supply control connector of a new energy automobile.

Fig. 4 is a schematic sectional view of a position a-a in a high-voltage power supply control connector for a new energy automobile.

Fig. 5 is a left side view schematic diagram of a knife switch in a high-voltage power supply control connector for a new energy automobile.

Fig. 6 is a left side view schematically illustrating a position relationship between a switch blade push rod and an overload protector push rod when a switch blade in a high-voltage power supply control connector for a new energy automobile is turned on.

Fig. 7 is a left side view schematically illustrating a positional relationship between a blade push rod and an overload protector push rod when a blade is disconnected in a high-voltage power supply control connector for a new energy automobile.

In the figure: 1-main body, 101-strip-shaped gap, 2-upper cover, 201-sealing washer, 3-hasp, 4-power input connector, 400-power output connection, 5-short circuit protector, 501-short circuit protector push rod, 6-overload protector, 601-overload protector push rod, 7-knife push rod, 8-linkage rod, 9-spring, 10-fixing rod, 11-rocker, 12-knife, 121-recess, 13-elastic strip, 131-copper electric contact, 14-capacitor and 15-wire harness.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Without further limitation. The use of the phrase "comprising one.. said element does not exclude the presence of other like elements in the process, method, article or apparatus that comprises the element.

Referring to fig. 1 to 7, in an embodiment of the present invention, a high voltage power supply control connector for a new energy vehicle includes a main body 1 and an upper cover 2, wherein the upper cover 2 is hinged to one side of the upper portion of the main body 1, the other side of the upper cover 2 and the main body 1 is fastened by a buckle 3, a power output connector 400 and a power input connector 4 are respectively disposed on the front and rear side walls of the main body 1, and a plurality of strip-shaped notches 101 are disposed on the top surface of the main body 1; the short-circuit protector 5 and the overload protector 6 which are mutually closed are arranged inside the main body 1, a short-circuit protector push rod 501 and an overload protector push rod 601 are respectively arranged on the short-circuit protector 5 and the overload protector 6, the upper ends of the short-circuit protector push rod 501 and the overload protector push rod 601 respectively penetrate through the strip-shaped notch 101 corresponding to the top surface of the main body 1, the inner wall of the right side inside the main body 1 is rotatably connected with a knife switch push rod 7 through a pin shaft, the knife switch push rod 7 penetrates through the strip-shaped notch 101 corresponding to the top surface of the main body 1, the left side wall of the upper part of the knife switch push rod 7 is fixedly connected with a linkage rod 8, the linkage rod 8 is positioned at the rear side part of the short-circuit protector push rod 501 and the overload protector push rod 601, the left side of the linkage rod 8 is fixedly provided with a rocker 11, the lower end of the rocker 11 is hinged with a hinge base inside the, the linkage rod 8 presses the elastic strip 13 to the top surface of the knife switch 12); the power input connector 4 is connected with the input end of the switch blade 12 through the wire harness 15, the output end of the switch blade 12 is connected with the input end of the short-circuit protector 5 through the wire harness 15, the input end of the short-circuit protector 5 is connected with the input end of the overload protector 6 through the wire harness 15, and the output end of the short-circuit protector 5 is connected with the power output connector 400 through the wire harness 15.

The left side wall of the lower portion of the knife switch push rod 7 is connected with the upper end of the spring 9, the lower end of the spring 9 is connected with the fixing rod 10 on the inner wall of the right side of the main body 1, when the knife switch push rod 7 pushes up towards the rear side of the main body, a triangle is formed by the upper end point of the spring 9, the lower end point of the spring 9 and the lower end point of the knife switch push rod 7 in a surrounding mode, the spring 9 pulls the knife switch push rod 7 to enable the position of the knife switch push rod 7 to be fixed, and the elastic strip 13 on the top surface of the knife switch 12 is pressed down by the left end of the linkage rod 8 fixedly connected with the knife switch push rod 7.

The two ends of the knife switch 12 are connected in parallel with a capacitor 14 for arc extinction when the knife switch 12 is opened and closed, and electric spark is prevented.

The bottom surface of the head end of the elastic strip 13 is fixedly connected with a copper electric contact 131, a recess 121 is arranged on the top surface of the switch blade 12 corresponding to the position of the copper electric contact 131, electrodes are arranged on two sides of the inner wall of the recess 121, and the electrodes on the two sides are respectively electrically connected with the input end and the output end of the switch blade 12; when the switch blade push rod 7 is pushed upwards to enable the left end of the linkage rod 8 to press the elastic strip 13 downwards, the copper electric contact 131 can be inserted into the recess 121 and enables the electrodes on the inner walls of the two sides of the recess 121 to be connected, namely, the switch blade 12 is switched on, when the switch blade push rod 7 is pulled downwards, the linkage rod 8 is separated from the elastic strip 13, the copper electric contact 131 is popped out from the recess 12, the switch blade 12 is disconnected, and the switch blade 12 is opened, namely, disconnected and connected.

The end face of the upper cover 2 is provided with a sealing gasket 201.

The power output connector 400 and the power input connector 4 are provided with sealing rings at the joints with the front side wall and the rear side wall of the main body 1, and the power output connector 400 and the power input connector 4 are of a waterproof design and are internally provided with 0-shaped sealing rings.

In this embodiment, the short-circuit protector 5 and the overload protector 6 are both commercially available technologies, and are not described in detail in this embodiment.

The utility model discloses a theory of operation is:

the utility model relates to a high voltage power supply control connector for new energy automobile, during operation, through power output connector 400 and power input connector 4 of main part front and back wall with this high voltage power supply control connector insert the new energy automobile high voltage power supply distribution system in the return circuit, because be provided with short circuit protection ware 5 and overload protection ware 6 in the main part 1, when taking place the short circuit or transship in the new energy automobile high voltage power supply return circuit, trip through short circuit protection ware 5 and overload protection ware 6 and break off back, play the effect of control protection; the left end of the linkage rod 8 is separated from the elastic strip 13 by pushing the switch blade push rod 7 upwards and pressing the elastic strip 13 downwards at the left end of the linkage rod 8, the switch blade 12 is switched off and is switched on a loop, the linkage rod 8 can jointly push the short-circuit protector push rod 501 and the overload protector push rod 601 when the switch blade push rod 7 is pulled downwards, so that the short-circuit protector 5 and the overload protector 6 are simultaneously tripped, the loop is further switched off, and arc is extinguished through the capacitor 14, and the operation safety is improved; in addition, the present embodiment has good water resistance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-voltage power supply control connector for a new energy automobile comprises a main body (1) and an upper cover (2), and is characterized in that the upper cover (2) is hinged to one side of the upper portion of the main body (1), the upper cover (2) and the other side of the main body (1) are buckled through a buckle (3), a power supply output connector (400) and a power supply input connector (4) are respectively arranged on the front side wall and the rear side wall of the main body (1), and a plurality of strip-shaped notches (101) are formed in the top surface of the main body (1); the short-circuit protector (5) and the overload protector (6) which are mutually closed are arranged inside the main body (1), a short-circuit protector push rod (501) and an overload protector push rod (601) are respectively arranged on the short-circuit protector (5) and the overload protector (6), the upper ends of the short-circuit protector push rod (501) and the overload protector push rod (601) respectively penetrate through the strip-shaped notch (101) corresponding to the top surface of the main body (1), the inner wall of the right side inside the main body (1) is rotatably connected with a knife switch push rod (7) through a pin shaft, the knife switch push rod (7) penetrates through the strip-shaped notch (101) corresponding to the top surface of the main body (1), the left side wall of the upper part of the knife switch push rod (7) is fixedly connected with a linkage rod (8), the linkage rod (8) is positioned on the rear side of the short-circuit, the lower end of the rocker (11) is hinged with a hinge seat in the main body (1), a switch blade (12) fixed in the main body (1) is arranged below the left end of the linkage rod (8), and an elastic strip (13) is arranged on the upper surface of the switch blade (12); the power input connector (4) is connected with the input end of the switch blade (12) through a wire harness (15), the output end of the switch blade (12) is connected with the input end of the short-circuit protector (5) through the wire harness (15), the input end of the short-circuit protector (5) is connected with the input end of the overload protector (6) through the wire harness (15), and the output end of the short-circuit protector (5) is connected with the power output connector (400) through the wire harness (15).

2. The high-voltage power supply control connector for the new energy automobile as claimed in claim 1, wherein the left side wall of the lower part of the switch blade push rod (7) is connected with the upper end of a spring (9), and the lower end of the spring (9) is connected with a fixing rod (10) on the inner wall of the right side of the main body (1).

3. The high-voltage power supply control connector for the new energy automobile is characterized in that a capacitor (14) is connected in parallel to two ends of the switch blade (12).

4. The high-voltage power supply control connector for the new energy automobile is characterized in that a copper electric contact (131) is fixedly connected to the bottom surface of the head end of the elastic strip (13), a recess (121) is formed in the position, corresponding to the copper electric contact (131), of the top surface of the switch blade (12), electrodes are arranged on two sides of the inner wall of the recess (121), and the electrodes on the two sides are electrically connected with the input end and the output end of the switch blade (12) respectively.

5. The high-voltage power supply control connector for the new energy automobile is characterized in that the end face of the upper cover (2) is provided with a sealing gasket (201).

6. The high-voltage power supply control connector for the new energy automobile is characterized in that sealing rings are arranged at the joints of the power output connector (400) and the power input connector (4) and the front and rear side walls of the main body (1), and the power output connector (400) and the power input connector (4) are of a waterproof design and are internally provided with (0) shaped sealing rings.