CN217239879U

CN217239879U - Charging and discharging auxiliary mechanism capable of reducing battery loss

Info

Publication number: CN217239879U
Application number: CN202122577322.0U
Authority: CN
Inventors: 谢航; 张达敏; 周文德; 蒋文涛
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-08-19
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to a charging and discharging auxiliary mechanism capable of reducing battery loss, which comprises a bolt terminal, a shell, a displacement plate and a telescopic device, wherein the displacement plate and the telescopic device are arranged in the shell; the shell is provided with a telescopic hole, and the pin terminal can movably penetrate through the telescopic hole and is fixedly connected with the displacement plate; the telescopic device comprises a push rod, a spring and a clamping part; two ends of the spring are respectively fixedly connected with the displacement plate and the shell; the push rod can movably penetrate through the shell and is in transmission connection with the displacement plate; when needs charge, the user drives the motion of the plug terminal on the displacement board through the catch bar for the plug terminal inserts socket hole and charges, and the catch bar is blocked by clamping part this moment. After the battery is fully charged, the clamping portion loosens the push rod, the spring pulls the displacement plate to pull the plug pin terminal back into the shell, and the electric connection between the plug pin terminal and the power socket is cut off. This scheme can be fine protection battery, reduce its loss, prolong its life, still can avoid danger such as conflagration, electric shock.

Description

Charge-discharge auxiliary mechanism capable of reducing battery loss

Technical Field

The utility model relates to a battery measurement technical field especially relates to a can reduce charge-discharge complementary unit of battery loss.

Background

As is well known, a battery charger is a charging device for a rechargeable battery used for electric vehicles, electric tools, electric games, notebooks, photovoltaics, digital and various small portable electronic devices. When people use the existing battery charger, the user does not remember to pull the plug out of the socket in time after the battery is fully charged, but inserts the plug into the socket for a long time. For a common lithium cobaltate battery, a lithium manganate battery, a lithium iron phosphate rechargeable battery and the like, long-time overcharge easily causes the reduction of the service life of the battery, the reduction of the capacity and the increase of the risk coefficient. In addition, for the socket under the complex environment, the condition of high temperature, rainwater is met easily, and this kind of the way of not pulling out the plug in time leads to the condition such as socket position short circuit easily, takes place to catch fire, the danger of electrocute. Therefore, how to reduce the battery loss and protect the safety of the user is a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a charge/discharge assist mechanism that can reduce battery loss in order to solve the above problems.

A charge and discharge assist mechanism that reduces battery wear, comprising: the plug pin terminal, the shell, the displacement plate arranged in the shell and the telescopic device; the shell is provided with a telescopic hole, and the plug pin terminal can movably penetrate through the telescopic hole and is fixedly connected with the displacement plate;

the telescopic device comprises a push rod, a spring and a clamping part; two ends of the spring are respectively fixedly connected with the displacement plate and the shell; the push rod can movably penetrate through the shell and is in transmission connection with the displacement plate; the pushing rod drives the pin terminal on the displacement plate to extend out of the shell, and then the pushing rod is clamped with the clamping part; after the clamping portion and the pushing rod are unlocked, the spring pulls the bolt terminal on the displacement plate back into the shell.

Furthermore, a clamping groove is formed in the push rod, and the clamping portion comprises a limiting head matched with the clamping groove; when the push rod moves to the preset position, the limiting head is clamped into the clamping groove, so that the push rod is fixed.

Furthermore, the limiting head is fixed on a telescopic rod of a miniature electric cylinder, and the telescopic rod drives the limiting head to be separated from the clamping groove when retracting.

Furthermore, the power charger connected with the plug pin terminal comprises an MCU, and the controlled end of the miniature electric cylinder is in communication connection with a control end of the MCU.

Furthermore, an indicator light is arranged on the outer side wall of the shell and connected with a control end of the MCU.

Further, the push rod is in transmission connection with the displacement plate through a transmission assembly; the transmission assembly comprises a toothed plate, a rotating shaft, a first gear and a second gear, the first gear and the second gear are coaxially sleeved on the rotating shaft, and the rotating shaft is arranged in the shell in a self-rotating manner; a tooth extending along the axial direction of the push rod is arranged on the push rod, and one end of the toothed plate is fixedly connected with the displacement plate; the first gear is meshed with the push rod, and the second gear is meshed with the toothed plate; when the push rod displaces, the toothed plate is driven to move through the rotating shaft, and then the bolt terminal on the displacement plate is driven to stretch.

Furthermore, a buffer mechanism is arranged on the pushing rod and comprises a buffer plate, two groups of buffer springs and two groups of buffer rods; the buffer plate is provided with a buffer hole in a penetrating way, and the push rod is sleeved in the buffer hole in an interference manner; two ends of the buffer spring are respectively abutted against the buffer plate and the inner wall of the shell, two ends of the buffer rod are respectively connected with the buffer plate and the inner wall of the shell, and the two groups of buffer springs are respectively sleeved outside one buffer rod.

Furthermore, two sets of buffer beam is the telescopic link.

Furthermore, one end of the push rod, which is positioned outside the shell, is provided with a pressing plate.

Furthermore, the top surface of pressing the clamp plate is equipped with anti-skidding groove.

The utility model discloses technical scheme has set up the telescoping device in the shell of charger to this controls the flexible of bolt terminal. When needs charge, the user drives the motion of the plug terminal on the displacement board through the catch bar for the plug terminal inserts socket hole and charges, and the catch bar is blocked by clamping part this moment. After the battery is fully charged, the pushing rod is loosened by the clamping portion, the spring pulls the displacement plate to pull the plug pin terminal back into the shell, and the electric connection between the plug pin terminal and the power socket is cut off. The scheme can well protect the battery, reduce the loss of the battery, prolong the service life of the battery, and avoid the dangers of fire, electric shock and the like.

Drawings

Fig. 1 is a schematic internal front view of an embodiment of the charging/discharging auxiliary mechanism for reducing battery loss according to the present invention;

FIG. 2 is a schematic view of an embodiment of a charging/discharging auxiliary mechanism for reducing battery loss according to the present invention;

FIG. 3 is an enlarged view of a portion of the charge/discharge assist mechanism shown in FIG. 2;

fig. 4 is a partial enlarged view of a portion B of an embodiment of the charge/discharge assist mechanism for reducing battery loss shown in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a displacement plate; 4. a plug terminal; 5. an indicator light; 8. a spring; 9. a toothed plate; 10. a push rod; 11. a rotating shaft; 13. a first gear; 14. a second gear; 17. a telescopic rod; 18. a limiting head; 19. a contact switch; 20. a buffer spring; 21. a buffer rod; 22. a buffer plate; 23. a pressing plate; 24. clamping the groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the specific details described below are merely exemplary of some embodiments of the invention, and that the invention is capable of other embodiments than those described herein. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In an embodiment, please refer to fig. 1 and 2, a charging/discharging auxiliary mechanism capable of reducing battery loss includes a plug terminal 4, a housing 1, a displacement plate 2 disposed in the housing 1, and a telescopic device; a telescopic hole is formed in the shell 1, and the plug pin terminal 4 movably penetrates through the telescopic hole and is fixedly connected with the displacement plate 2; wherein, the telescopic device comprises a push rod 10, a spring 8 and a clamping part; two ends of the spring 8 are respectively fixedly connected with the displacement plate 2 and the shell 1; the push rod 10 can movably penetrate through the shell 1 and is in transmission connection with the displacement plate 2; after the push rod 10 drives the pin terminal 4 on the displacement plate 2 to extend out of the shell 1, the push rod 10 is clamped with the clamping part; after the clamping part and the pushing rod 10 are unlocked, the spring 8 pulls the bolt terminal 4 on the displacement plate 2 back into the shell 1.

The utility model discloses technical scheme has set up the telescoping device in the shell 1 of charger to this controls the flexible of bolt terminal 4. When needing to charge, the user drives the motion of bolt terminal 4 on the displacement board 2 through catch bar 10 for bolt terminal 4 inserts socket hole and charges, and catch bar 10 is blocked by the clamping part this moment. After the battery is fully charged, the clamping part loosens the pushing rod 10, the spring 8 pulls the displacement plate 2, the pin terminal 4 is pulled back into the shell 1, and the electric connection between the pin terminal 4 and the power socket is cut off. The scheme can well protect the battery, reduce the loss of the battery, prolong the service life of the battery, and avoid the dangers of fire, electric shock and the like.

Referring to fig. 4, on the basis of this embodiment, a clamping groove 24 is formed on the push rod 10, and the clamping portion includes a limiting head 18 adapted to the clamping groove 24; when the push rod 10 is displaced to the preset position, the limiting head 18 is clamped in the clamping groove 24 so as to fix the push rod 10.

It will be appreciated that the catch groove 24 and the stopper 18 are used to hold the push rod 10 so that the latch terminal 4 is held in a state of being extended out of the housing 1. Of course, the pushing rod 10 can also be positioned by other structures, such as magnetic attraction, limiting boss structure, etc., which are not described as limitations in this embodiment.

Specifically, the limiting head 18 is fixed on an expansion rod 17 of a miniature electric cylinder, and the expansion rod 17 drives the limiting head 18 to be separated from the clamping groove 24 when retracting. Further, the power charger connected with the plug pin terminal 4 comprises an MCU, and the controlled end of the micro electric cylinder is in communication connection with a control end of the MCU.

It can be understood that the charging state of the battery is judged by connecting the micro electric cylinder with the chip of the back end power supply, and then whether the plug terminal 4 should be retracted or not is judged, and the charging is stopped.

In this embodiment, the mechanism further includes a contact switch 19, the contact switch 19 is located under the push rod 10, the contact switch 19 is electrically connected with the MCU, and when the contact switch 19 is closed, the MCU controls the micro electric cylinder to eject the stopper 18, thereby locking the push rod 10.

Furthermore, an indicator light 5 is arranged on the outer side wall of the shell 1, and the indicator light 5 is connected with a control end of the MCU. The charging state of the battery is indicated by the indicator lamp 5.

On the basis of the embodiment, the push rod 10 is in transmission connection with the displacement plate 2 through a transmission component; the transmission assembly comprises a toothed plate 9, a rotating shaft 11, a first gear 13 and a second gear 14, the first gear 13 and the second gear 14 are coaxially sleeved on the rotating shaft 11, and the rotating shaft 11 is arranged in the shell 1 in a rotating manner; a tooth extending along the axial direction of the push rod 10 is arranged on the push rod, and one end of the toothed plate 9 is fixedly connected with the displacement plate 2; the first gear 13 is meshed with the push rod 10, and the second gear 14 is meshed with the toothed plate 9; when the push rod 10 displaces, the toothed plate 9 is driven to move through the rotating shaft 11, and then the bolt terminal 4 on the displacement plate 2 is driven to stretch and retract. Through the transmission assembly, the displacement of the push rod 10 is converted into the movement of the latch terminal 4.

Referring to fig. 3, on the basis of the present embodiment, a buffer mechanism is disposed on the pushing rod 10, and the buffer mechanism includes a buffer plate 22, two sets of buffer springs 20, and two sets of buffer rods 21; the buffer plate 22 is provided with a buffer hole in a penetrating way, and the push rod 10 is sleeved in the buffer hole in an interference manner; two ends of the buffer spring 20 are respectively connected with the buffer plate 22 and the inner wall of the shell 1 in a butting manner, two ends of the buffer rod 21 are respectively connected with the buffer plate 22 and the inner wall of the shell 1, and the two groups of buffer springs 20 are respectively sleeved outside one buffer rod 21.

Specifically, both sets of buffer rods 21 are telescopic rods.

Specifically, one end of the push lever 10 located outside the housing 1 is provided with a pressing plate 23. Further, the top surface of the pressing plate 23 is provided with an anti-slip groove. The user can press the push rod 10 conveniently by the pressing plate 23, and the anti-slip groove can increase the surface friction force.

The utility model discloses a can reduce charge-discharge complementary unit of battery loss, after the battery is full of electricity, pilot lamp 5 extinguishes, and MCU loosens catch bar 10 through miniature electric jar after receiving the signal of telecommunication, and catch bar 10 vertical displacement restriction is relieved, and under the effect of spring 8, displacement plate 2 is to the intracavity shrink of shell 1, drives bolt terminal 4 and extracts in the socket, relieves the charging current to the battery. When needing to charge again, press catch lever 10 downwards, catch lever 10 can drive first gear 13 rotatory, and axis of rotation 11 also rotates thereupon when first gear 13 rotates, and axis of rotation 11 rotates and drives second gear 14 rotatory, and second gear 14 rotates and drives pinion rack 9 outwards, and displacement plate 2 outwards moves thereupon and pushes out bolt terminal 4. With this automatic bolt of extracting after having realized the battery full charge, reduced the battery loss to the practicality has been strengthened.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some 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 present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several changes, substitutions and improvements can be made, and these are all included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A charge and discharge assist mechanism that reduces battery wear, comprising: the plug pin terminal, the shell, the displacement plate arranged in the shell and the telescopic device; the shell is provided with a telescopic hole, and the plug pin terminal can movably penetrate through the telescopic hole and is fixedly connected with the displacement plate;

the telescopic device comprises a push rod, a spring and a clamping part; two ends of the spring are respectively fixedly connected with the displacement plate and the shell; the push rod can movably penetrate through the shell and is in transmission connection with the displacement plate; the pushing rod drives the pin terminal on the displacement plate to extend out of the shell, and then the pushing rod is clamped with the clamping part; after the clamping portion and the pushing rod are unlocked, the spring pulls the plug pin terminal on the displacement plate back into the shell.

2. The auxiliary charging and discharging mechanism capable of reducing battery loss according to claim 1, wherein a clamping groove is formed in the push rod, and the clamping portion comprises a limiting head matched with the clamping groove; when the push rod moves to the preset position, the limiting head is clamped into the clamping groove, so that the push rod is fixed.

3. The charging and discharging auxiliary mechanism capable of reducing battery loss according to claim 2, wherein the limiting head is fixed on a telescopic rod of a miniature electric cylinder, and the telescopic rod drives the limiting head to be separated from the clamping groove when being retracted.

4. The auxiliary charging and discharging mechanism capable of reducing battery loss as claimed in claim 3, wherein the power charger connected with the plug terminal comprises an MCU, and the controlled end of the micro electric cylinder is in communication connection with a control end of the MCU.

5. The auxiliary charging and discharging mechanism according to claim 4, wherein an indicator light is disposed on an outer sidewall of the housing, and the indicator light is connected to a control terminal of the MCU.

6. The auxiliary charging and discharging mechanism capable of reducing battery loss according to claim 1, wherein the pushing rod is in transmission connection with the displacement plate through a transmission assembly; the transmission assembly comprises a toothed plate, a rotating shaft, a first gear and a second gear, the first gear and the second gear are coaxially sleeved on the rotating shaft, and the rotating shaft is arranged in the shell in a self-rotating manner; a rodent extending along the axial direction of the push rod is arranged on the push rod, and one end of the toothed plate is fixedly connected with the displacement plate; the first gear is meshed with the push rod, and the second gear is meshed with the toothed plate; when the push rod moves, the toothed plate is driven to move through the rotating shaft, and then the bolt terminal on the displacement plate is driven to stretch.

7. The auxiliary charging and discharging mechanism capable of reducing battery loss according to claim 1, wherein a buffer mechanism is arranged on the pushing rod, and the buffer mechanism comprises a buffer plate, two groups of buffer springs and two groups of buffer rods; the buffer plate is provided with a buffer hole in a penetrating way, and the push rod is sleeved in the buffer hole in an interference manner; two ends of the buffer spring are respectively abutted against the buffer plate and the inner wall of the shell, two ends of the buffer rod are respectively connected with the buffer plate and the inner wall of the shell, and the two groups of buffer springs are respectively sleeved outside one buffer rod.

8. The charging and discharging auxiliary mechanism capable of reducing battery loss according to claim 7, wherein both of the buffer rods are telescopic rods.

9. The charging and discharging assist mechanism capable of reducing battery loss according to claim 1, wherein a pressing plate is provided at one end of the push rod located outside the housing.

10. The auxiliary mechanism for charging and discharging capable of reducing battery loss according to claim 9, wherein the top surface of the pressing plate is provided with an anti-slip groove.