A kind of charging gun for the charging current that is self-regulated
Technical field
The present invention relates to new-energy automobile charging technique field, more particularly to a kind of charging current that can be self-regulated fills
Electric rifle.
Background technique
The market demand of the electric vehicles such as pure dynamic electric car, mixed dynamic electric car constantly expands, and in turn results in charging
The demand of rifle is also increasing.When existing charging gun connect charging with electric car, the pipette tips of charging gun is needed to be plugged in charging vapour
In the charging interface of vehicle, the inserting terminal in pipette tips charges with the terminal connection of docking of electric car at this time.
However, the inserting terminal in charging gun pipette tips can generate heat with docking when terminal connection is charged for electric car, the heat
The temperature that amount will cause charging gun increases, and the special material heat dissipation capacity of new-energy automobile charging interface battery core is insufficient or charging
The case where mouth heat management chip also can not adjust cooling by intelligence, there are charging security risks.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and the one kind proposed can be self-regulated the electricity that charges
Flow the charging gun of size, the memory metal element being welded by the different memory metal sheet of multiple transformation temperatures, in difference
Temperature when, can by memory metal sheet drive conductive plate rotation, charging current is voluntarily adjusted according to charging temperature, is made
Electricity consumption is more scientific, energy consumption is lower, more meet modern environmental protection, energy-efficient standard.
To achieve the goals above, present invention employs following technical solutions:
Including charging pipette tips and filling in charging pipette tips is arranged in a kind of charging gun for the charging current that is self-regulated
The inner wall of electrical component, the charging pipette tips is fixedly connected with shell, is threaded with capping on the shell, the shell it is interior
Bottom is equipped with groove, and the charging pipette tips inner wall is embedded with the thermally conductive sheet connecting with charging assembly, fixed company on the thermally conductive sheet
Be connected to memory metal element, when memory metal element room temperature, is twisted into twisted shape, and temperature be more than transformation temperature in the form of sheets, it is described
It is located at axle center in shell and is equipped with conductive plate, the lower end of the conductive plate is equipped with rectangular channel, and being provided in the rectangular channel can edge
The free-moving movable block of vertical direction, and the lower end of the movable block is fixedly connected on the upper end of memory metal element, the shell
It is additionally provided with the fairing for adjusting charging current in vivo, is fixedly connected with conductive bullet on the inner wall of the shell
Piece is fixedly connected on the side wall of the shell and is electrically connected the second junction block with electroconductive elastic sheet, the upper end of the capping be connected with
First junction block of conductive plate electrical connection.
Preferably, the fairing includes the dead ring being set on the outside of conductive plate, and the dead ring passes through connecting rod
It is fixedly connected on the side wall of conductive plate, its circumferential direction of the upper end edge of the dead ring is equidistantly fixedly connected with mounting base, described
Resistor column for controlling the magnitude of current is equidistantly installed between mounting base and conductive plate.
Preferably, the memory metal element is welded by multiple memory metal sheets, and each memory metal
The transformation temperature of piece is different.
The invention has the following advantages:
1, it is transmitted on memory metal element, is remembered by thermally conductive sheet by the high temperature between automobile charging interface and charging assembly
When recalling that metalwork is heated to reach transformation temperature, memory metal element is twisted into sheet by twisted shape, and then drives conductive plate rotation, conductive
Disk rotation abuts the mounting base for being connected to big resistance column with electroconductive elastic sheet, and then carries out to the current value of charging current
Limitation, to achieve the purpose that control battery temperature rise;
2, the memory metal element being welded by the different memory metal sheet of multiple transformation temperatures, in different temperature
When, the rotation of conductive plate can be driven by memory metal sheet, charging current is voluntarily adjusted according to charging temperature, so that electricity consumption
It is more scientific, energy consumption is lower, more meet modern environmental protection, energy-efficient standard.
Detailed description of the invention
Fig. 1 be one kind proposed by the present invention can be self-regulated charging current charging gun structural schematic diagram;
Fig. 2 is structure enlargement diagram at the A in Fig. 1;
Fig. 3 is structure enlargement diagram at the B in Fig. 1;
Fig. 4 be one kind proposed by the present invention can be self-regulated charging current charging gun the schematic diagram of the section structure.
In figure: 1 charging pipette tips, 2 charging assemblies, 3 cappings, 4 resistor columns, 5 shells, 6 thermally conductive sheets, 7 memory metal elements, 8 connect
Extension bar, 9 movable blocks, 10 conductive plates, 11 electroconductive elastic sheets, 12 dead rings.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig.1-4, a kind of charging gun for the charging current that is self-regulated, including charging pipette tips 1 and setting are being filled
The inner wall of charging assembly 2 in electric pipette tips 1, charging pipette tips 1 is fixedly connected with shell 5, and capping 3, shell are threaded on shell 5
The interior bottom of body 5 is equipped with groove, and charging 1 inner wall of pipette tips is embedded with the thermally conductive sheet 6 connecting with charging assembly 2, fixes on thermally conductive sheet 6
It is connected with memory metal element 7, memory metal element 7 is welded by multiple memory metal sheets, and the metamorphosis of each memory metal sheet
Temperature is different, and when 7 room temperature of memory metal element is twisted into twisted shape, and temperature be more than transformation temperature in the form of sheets, axis is located in shell 5
Conductive plate 10 is equipped at the heart, the lower end of conductive plate 10 is equipped with rectangular channel, is provided with and can move freely along the vertical direction in rectangular channel
Movable block 9, and the lower end of movable block 9 is fixedly connected on the upper end of memory metal element 7.
The fairing for adjusting charging current is additionally provided in shell 5, fairing includes being set in conduction
The dead ring 12 in the outside of disk 10, dead ring 12 are fixedly connected on the side wall of conductive plate 10 by connecting rod 8, dead ring 12 it is upper
End is circumferentially equidistantly fixedly connected with mounting base along it, is equidistantly equipped between mounting base and conductive plate 10 for controlling electric current
The resistor column 4 of size is fixedly connected with electroconductive elastic sheet 11 on the inner wall of shell 5, is fixedly connected on the side wall of shell 5 and conductive bullet
Piece 11 is electrically connected the second junction block, and the upper end for covering 3 is connected with the first junction block being electrically connected with conductive plate 10.
It should be noted that 4 resistance of resistor column along the setting of 10 rotation direction of conductive plate is sequentially increased.
In the present invention, the charging gun when in use, when the high temperature between automobile charging interface and charging assembly 2 is by thermally conductive
Piece 6 is transmitted on memory metal element 7, and memory metal element 7 is heated when reaching transformation temperature, and memory metal element 7 is twisted by twisted shape
Sheet, and then conductive plate 10 is driven to rotate, conductive plate 10 rotates the mounting base and electroconductive elastic sheet 11 for making to be connected to big resistance column 4
It abuts, and then the current value of charging current is limited, to achieve the purpose that control battery temperature rise.
Since memory metal element 3 is welded using the different memory metal sheet of multiple transformation temperatures, in different temperature
When, the rotation of conductive plate 10 can be driven by memory metal sheet, and charging current is voluntarily adjusted according to charging temperature, so that with
Electricity is more scientific, energy consumption is lower, more meets modern environmental protection, energy-efficient standard.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.