CN113098110B

CN113098110B - Vehicle-mounted charger

Info

Publication number: CN113098110B
Application number: CN202110551632.7A
Authority: CN
Inventors: 李丽坤; 张蓉; 李娇; 任嵬
Original assignee: Zhongshan Changdi Electronics Co ltd
Current assignee: Zhongshan Changdi Electronics Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-04-29
Anticipated expiration: 2041-05-20
Also published as: CN113098110A

Abstract

The invention discloses a vehicle-mounted charger, which comprises an upper shell, a lower shell and a connecting part, wherein the upper shell is provided with a charging part, the charging part is provided with a trigger switch, the trigger switch comprises a push plate, a pulley, a first connecting rod and a chute, the guide bar, elastic component and spliced pole, the lower surface of push pedal is provided with the spout, the spliced pole sets up at the portion inner wall that charges, the pulley is connected to the one end of guide bar, the pulley sets up in the spout, the other end and the elastic component fixed connection of guide bar, the spliced pole runs through the elastic component, the one end and the push pedal fixed connection of first connecting rod, the other end of first connecting rod is connected to the up end of gear, be provided with the axis of rotation on the gear, the second connecting rod that corresponds the setting with first connecting rod, the internal slide switch who is connected with the second connecting rod that is provided with of inferior valve, the second connecting rod is connected with the lower terminal surface of gear, slide switch includes Y type pole, sliding door and slide. The power source does not need to be accessed to drive the battery, the power consumption except for charging is not caused, and the power resource is saved.

Description

Vehicle-mounted charger

Technical Field

The invention relates to the technical field of charging, in particular to a vehicle-mounted charger.

Background

The vehicle-mounted charger is an accessory for conveniently charging digital products at any time and any place by using a vehicle-mounted power supply, and is conventionally used for supplying power to automobile storage batteries (12V for cars and 24V for trucks). The battery charger is widely used in the field of lithium battery charging of various portable and handheld devices, such as mobile phones, PDAs, GPS and the like, the bottom of the vehicle-mounted charger is a positive pole, the contact point on the side is a negative pole, and only when the positive pole and the negative pole of the vehicle-mounted charger are connected with a power supply, the current can pass through the interior of the vehicle-mounted charger.

When using on-vehicle charger, many people are not used to pull out the charger, and although the charger does not charge for the cell-phone under this kind of state, the inside circuit board of on-vehicle charger is the circular telegram, can cause the loss of unnecessary power to under this kind of no-load condition, have the microcurrent always and pass through, can arouse for a long time to generate heat, cause the components and parts ageing easily, sometimes still can take place the short circuit, will lead to on-vehicle charger's life can be shortened greatly like this. Therefore, in order to solve the problems of power loss caused by the vehicle-mounted charger in an unloaded state and the shortening of the service life of the vehicle-mounted charger, the unloaded problem of the vehicle-mounted charger is a problem that needs to be solved quickly at present.

Disclosure of Invention

The problem that the service life of the vehicle-mounted charger can be greatly shortened due to the fact that the vehicle-mounted charger is in an idle state, unnecessary power loss can be caused, micro current can always pass through the charger, heat can be generated for a long time, components are prone to aging, and the service life of the vehicle-mounted charger can be greatly shortened is solved. The invention provides a vehicle-mounted charger, which can prevent the vehicle-mounted charger from being connected with a power supply under the condition of no charging, solves the problem of no load of the vehicle-mounted charger from the source and is realized by adopting the following technical scheme.

The invention provides a vehicle-mounted charger which comprises an upper shell, a lower shell and a connecting part, wherein the lower shell is connected between the upper shell and the connecting part, a charging part is arranged on the upper surface of the upper shell, a trigger switch is arranged on the charging part and comprises a push plate, a pulley, a first connecting rod, a sliding groove, a guide rod, an elastic part and a connecting column, the sliding groove is arranged on the lower surface of the push plate, the connecting column is arranged on the inner wall of the charging part, one end of the guide rod is connected with the pulley, the pulley is arranged in the sliding groove, the other end of the guide rod is fixedly connected with the elastic part, the connecting column penetrates through the elastic part, one end of the first connecting rod is fixedly connected with the push plate, the other end of the first connecting rod is connected to the upper end surface of a gear, a rotating shaft mounted on the inner wall of the charging part is arranged on the gear, With the second connecting rod that first connecting rod corresponds the setting, be provided with in the inferior valve body with the slide switch that the second connecting rod is connected, the second connecting rod with the lower terminal surface of gear is connected, slide switch includes Y type pole, sliding door and slide, the one end of Y type pole with second connecting rod swing joint, the other end of Y type pole with the sliding door is connected, the slide is located the both sides of sliding door, the bottom fixed mounting of slide in on the lower casing.

As a further improvement of the above technical solution, the length of the sliding door is adapted to the size of the slideway.

As a further improvement of the above technical solution, the size of the sliding door is adapted to the size of the negative electrode on the side of the vehicle-mounted charger.

As a further improvement of the above technical solution, the surface of the sliding door is in the shape of a curved surface, and the activities of the trigger switch, the gear and the sliding door are performed synchronously.

As a further improvement of the technical scheme, the sliding door is made of an insulating material.

As a further improvement of the above technical solution, the elastic member is a spring, the number of the springs is two, and the number of the pulleys is two.

Compared with the prior art, the vehicle-mounted charger provided by the invention has the beneficial effects that:

1. in the vehicle-mounted charger, the vehicle-mounted charger is arranged on the shell of the vehicle-mounted charger on the side of the trigger switch, so that the trigger switch can automatically return to the original state after being triggered again, and the automatic reset function of the vehicle-mounted charger is realized.

2. In the vehicle-mounted charger, the two connecting rods are arranged on the gear, so that the trigger switch can be movably connected with the sliding door, the sliding door can move synchronously, and the charging and power-off timeliness of the vehicle-mounted charger is ensured.

3. In the vehicle-mounted charger, the surface of the sliding door is in a curved surface shape, so that the sliding door can slide more smoothly, and meanwhile, the sliding door can better cover the negative electrode on the side of the vehicle-mounted charger, and unnecessary power loss caused by the fact that the vehicle-mounted charger is in an idle state due to the fact that the sliding door is covered incorrectly is avoided.

4. In the vehicle-mounted charger, all activities are realized through mechanical linkage, a power supply is not required to be accessed for driving, power consumption except charging is avoided, and power resources are saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an in-vehicle charger according to an embodiment of the present invention;

fig. 2 is a top view of an in-vehicle charger according to an embodiment of the present invention;

fig. 3 is an internal cross-sectional view of an in-vehicle charger according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a trigger switch according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a slide switch according to an embodiment of the present invention;

fig. 6 is a connection diagram of a sliding door and a sliding way according to an embodiment of the present invention.

Description of the main element symbols:

1-a vehicle charger; 10-an upper shell; 20-a lower shell; 21-a connecting part; 22-a charging section; 23-a trigger switch; 24-a push plate; 25-a pulley; 26-a first link; 27-a chute; 28-a guide bar; 29-a resilient member; 30-connecting column; 31-a second link; 32-gear; 33-a rotating shaft; 34-

A slide switch; 35-a sliding door; 36-a slide; 37-Y shaped bar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention provides an in-vehicle charger 1, including an upper housing 10, a lower housing 20 and a connecting portion 21, where the lower housing 20 is connected between the upper housing 10 and the connecting portion 21, a charging portion 22 is disposed on an upper surface of the upper housing 10, a trigger switch 23 is disposed on the charging portion 22, the trigger switch 23 includes a push plate 24, a pulley 25, a first link 26, a sliding groove 27, a guide rod 28, an elastic member 29 and a connecting post 30, the sliding groove 27 is disposed on a lower surface of the push plate 24, the connecting post 30 is disposed on an inner wall of the charging portion 22, one end of the guide rod 28 is connected to the pulley 25, the pulley 25 is disposed in the sliding groove 27, the other end of the guide rod 28 is fixedly connected to the elastic member 29, the connecting post 30 penetrates through the elastic member 29, one end of the first link 26 is fixedly connected to the push plate 24, the other end of the first link 26 is connected to an upper end surface of a gear 32, a rotating shaft 33 installed on an inner wall of the charging portion 22 and a second link 31 corresponding to the first link 26 are disposed on the gear 32, a slide switch 34 connected to the second link 31 is disposed in the lower case 20, and the second link 31 is connected to a lower end surface of the gear 32.

In this embodiment, the slide switch 34 includes a Y-shaped rod, a sliding door, and a slide, one end of the Y-shaped rod 37 is movably connected to the second connecting rod 26, the other end of the Y-shaped rod 37 is connected to the sliding door 35, the slide 36 is located on two sides of the sliding door 35, and the bottom of the slide 36 is fixedly mounted on the lower housing 20. Trigger switch 23's design is the shape of door, the material of going up casing 10 and lower casing 20 is insulating plastics, pottery etc, connecting portion 21 can be the wire that is used for being connected to the circuit board, charging portion 22 is for setting up charging socket like the USB interface, charging portion 22's front is circularly, push pedal 24 is made for waterproof material, swing joint between two push pedal 24, spout 27 sets up the lower surface at push pedal 24, pulley 25 inlays and locates in this spout 27, and pulley 25 is connected to the one end of guide bar 28, the other end of guide bar 28 is connected to elastic component 29, elastic component 29 is preferably the spring, the outside of spliced pole 30 is being located in the winding of spring, spliced pole 30 is fixed to be set up the internal surface in charging portion 22. When the upper surface of the push plate 24 is pressed, the pulley 25 moves towards two sides of the push plate 24 along the sliding groove 27, so that the guide post 28 rotates to compress the spring, meanwhile, the first connecting rod 26 connected to the push plate 24 moves towards the direction of the lower shell 20 and drives the gear 32 to rotate around the rotating shaft 33, the gear 32 rotates to drive the second connecting rod 31 connected with the sliding switch 34 to move, the sliding switch 34 moves towards the upper shell 10 and the moving track is a semicircular arc line, the movement of the sliding switch 34 drives the Y-shaped rod 37 to move towards the upper shell 10 and then towards the lower shell 20, the Y-shaped rod 37 also drives the sliding door 35 to move towards the upper shell 10 in the moving process, so that the electric machine and the electric machine on the side of the vehicle-mounted charger 1 are exposed, at the moment, the positive and negative poles of the vehicle-mounted charger 1 are connected to a power supply, and the vehicle-mounted charger 1 works normally.

After charging is finished, the data line is pulled out from the trigger switch, namely the charging socket, located in the charging portion 22, the force for extruding the spring gradually disappears, so that a side arm of the spring generates a thrust force on the trigger switch 23, the trigger switch 23 returns to the original position, meanwhile, the first connecting rod 26 located on the trigger switch 23 drives the gear 32 to rotate upwards, the second connecting rod 31 located on the gear 32 drives the sliding door 35 to move towards the direction of the upper shell 10 through the sliding switch 34, at this time, the negative pole point on the side of the vehicle-mounted charger 1 cannot be connected to a power supply, and the vehicle-mounted charger 1 cannot be unloaded.

Optionally, the length of the sliding door 35 is adapted to the size of the sliding rail 36, the size of the sliding door 35 is adapted to the size of a negative electrode on the side of the vehicle-mounted charger 1, the surface of the sliding door 35 is in a curved shape, the activities of the trigger switch 23, the gear 32 and the sliding door 35 are performed synchronously, and the sliding door 35 is made of an insulating material.

In this embodiment, the sliding door 35 is made of an insulating material, the sliding rail 36 is movably connected with the sliding door 35, the sliding door 35 is adapted to the sliding rail 36, the sliding door 35 is adapted to a negative electrode on the side of the vehicle-mounted charger 1, and the trigger switch 23, the gear 32 and the sliding door 35 move synchronously, so that the negative electrode on the side of the vehicle-mounted charger 1 can be connected or disconnected with a power supply by controlling the sliding door 35, thereby effectively avoiding the problem of no load of the vehicle-mounted charger 1 and prolonging the service life of the vehicle-mounted charger 1.

Optionally, the elastic member 29 is a spring, the number of the springs is two, and the number of the pulleys 25 is two.

In this embodiment, the spring passes through the guide bar 28 and is connected with push pedal 24 one-to-one, and the spring is located the both sides of push pedal 24, and the pulley 25 is that the activity sets up in the guide bar 28 and can roll along setting up spout 27 on push pedal 24, and push pedal 24 is extruded the back spring and takes place deformation, and push pedal 24 is hugged closely with the portion of charging 22 after the spring resumes to initial condition, can prevent that the dust from falling into in vehicle charger 1 to vehicle charger 1's operational safety nature has been improved.

During specific application, when the vehicle-mounted charger 1 needs to charge a mobile terminal such as a mobile phone and a tablet, the USB connector of the data line is firstly inserted into a charging socket of a charging portion 22 of the vehicle-mounted charger 1, the charging portion 22 is wrapped by the upper shell 10, when the USB connector is inserted into the charging socket, the trigger switch 23 located in the upper shell 10 is triggered, at this time, two doors, namely sliding doors, of the trigger switch 23 move towards two sides, side arms of a spring connected with the sliding doors 35 move towards two sides respectively, so that the trigger switch 23 generates an extruding force to deform the spring, and the spring also generates thrust to the trigger switch 23 in the process. When the trigger switch 23 is triggered, the first link 26 fixedly connected to the trigger switch 23 and the gear 32 also drives the gear 32 to rotate synchronously when the trigger switch 23 is moved, that is, after the trigger switch 23 is triggered, the first link 26 is driven to move towards the lower housing 20, that is, the first link 26 drives the gear 32 to rotate around the rotating shaft 33 when moving. The gear 32 rotates to enable the second connecting rod 31 located on the other side of the gear 32 to synchronously move towards the upper shell 10, the other end of the second connecting rod 31 is fixedly connected to the sliding switch 34, when the second connecting rod 31 synchronously moves towards the upper shell 10 under the rotation of the gear 32, the sliding switch 34 is driven to move towards the upper shell 10, the sliding switch 34 drives the Y-shaped rod 37 to move towards the upper shell 10 and then towards the lower shell 20, the sliding door 35 is synchronously driven by the Y-shaped rod 37 to move towards the upper shell 10 in the moving process, so that a negative pole point on the side of the vehicle-mounted charger 1 is exposed, the positive pole and the negative pole of the vehicle-mounted charger 1 are connected to a power supply, and the vehicle-mounted charger 1 normally works and charges the mobile terminal.

After charging is finished, the USB connector of the data line is pulled out from the charging socket of the vehicle-mounted charger 1, at this time, the force that presses the spring all the time is gradually reduced, the side arm of the spring also generates thrust to the trigger switch 23, so that the trigger switch 23 returns to the original action state, the first connecting rod 26 located on the surface of the trigger switch 23 drives the gear 32 to rotate, the second connecting rod 31 located on the other side of the gear 32 moves towards the lower housing 20 simultaneously, because the other end of the second connecting rod 31 is fixed on the sliding switch 34, when the second connecting rod 31 moves towards the lower housing 20 synchronously under the rotation of the gear 32, the sliding switch 34 is driven to move towards the lower housing 20, and the sliding switch 34 drives the Y-shaped rod 37 to move towards the upper housing 10 and then towards the lower housing 20 simultaneously. The Y-shaped rod 37 can synchronously drive the sliding door 35 to move towards the lower shell 20 in the moving process, at the moment, the negative pole point on the side of the vehicle-mounted charger 1 is covered, so that the negative pole of the vehicle-mounted charger 1 cannot be connected with a power supply, the vehicle-mounted charger 1 stops working, and no trace current passes through the interior of the vehicle-mounted charger 1 because the negative pole is not connected with the power supply, therefore, the problems of unnecessary power supply loss caused by the no-load problem of the vehicle-mounted charger 1 and the shortening of the service life of the vehicle-mounted charger 1 caused by the aging of components and parts caused by long-time no-load are solved.

In summary, aiming at the problem of no load of the existing vehicle-mounted charger, the invention provides the vehicle-mounted charger, and the charger enables the sliding door to synchronously slide to expose a negative electrode point on the side of the vehicle-mounted charger when the vehicle-mounted charger is required to be charged through the linkage action of the trigger switch, the gear and the sliding door, and the vehicle-mounted charger is in charging operation; after the charging end data line is pulled out, the sliding door can slide back to the original position under the linkage action of the trigger switch, so that the negative electrode on the side of the vehicle-mounted charger cannot be connected with a power supply, and the problems of power supply loss caused by no load and the shortening of the service life of the vehicle-mounted charger caused by the aging of components caused by long-time no load are solved from the source.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides an on-vehicle charger, its characterized in that, includes casing, lower casing and connecting portion, lower casing is connected go up the casing with between the connecting portion, the upper surface of going up the casing is provided with the portion of charging, be provided with trigger switch in the portion of charging, trigger switch includes push pedal, pulley, first connecting rod, spout, guide bar, elastic component and spliced pole, the lower surface of push pedal is provided with the spout, the spliced pole sets up the portion of charging inner wall, the pulley is connected to the one end of guide bar, the pulley sets up in the spout, the other end of guide bar with elastic component fixed connection, the spliced pole runs through elastic component, the one end of first connecting rod with push pedal fixed connection, the other end of first connecting rod is connected to the up end of gear, be provided with on the gear install in the axis of rotation of the inner wall of the portion of charging, With the second connecting rod that first connecting rod corresponds the setting, the internal with the slide switch that the second connecting rod is connected that is provided with of inferior valve, the second connecting rod with the lower terminal surface of gear is connected, slide switch includes Y type pole, sliding door and slide, the one end of Y type pole with second connecting rod swing joint, the other end of Y type pole with the sliding door is connected, the slide is located the both sides of sliding door, the bottom fixed mounting of slide in on the casing down, wherein, the sliding door is used for covering the negative pole of on-vehicle charger side.

2. The vehicle charger of claim 1, wherein the length of the sliding door is adapted to the size of the slide.

3. The vehicle charger of claim 1, wherein the size of the sliding door is adapted to the size of the negative pole on the side of the vehicle charger.

4. The vehicle-mounted charger according to claim 1, wherein the surface of the slide door is in the shape of a curved surface, and the activities of the trigger switch, the gear, and the slide door are performed simultaneously.

5. The vehicle charger of claim 1, wherein said sliding door is made of an insulating material.

6. The vehicle-mounted charger according to claim 1, wherein the elastic member is a spring, the number of the springs is two, and the number of the pulleys is two.