CN211089193U - High-sealing lithium battery charger - Google Patents
High-sealing lithium battery charger Download PDFInfo
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- CN211089193U CN211089193U CN201922446602.0U CN201922446602U CN211089193U CN 211089193 U CN211089193 U CN 211089193U CN 201922446602 U CN201922446602 U CN 201922446602U CN 211089193 U CN211089193 U CN 211089193U
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Abstract
The utility model relates to a high-sealing lithium battery charger, which comprises a shell, wherein one side of the shell is provided with an opening, an cover plate is arranged at the opening, an electronic element group is arranged on the cover plate, the cover plate is connected with the shell through a sealing mechanism, the sealing mechanism comprises a sealing flange arranged at the edge of the cover plate, a first annular sealing inclined plane arranged on the circumferential surface of the cover plate and a second annular sealing inclined plane positioned at the opening of the shell, the cover plate is buckled at the opening of the shell, the first annular sealing inclined plane is tightly abutted against the second annular sealing inclined plane, and the sealing flange is tightly contacted with the end surface of the; a plurality of sealing strips are installed at the joint of the cover plate and the shell, a first sealing effect is achieved on the splicing seam between the cover plate and the shell through the sealing strips, the first annular sealing inclined plane and the second annular sealing inclined plane are tightly abutted to form a second seal, external moisture cannot permeate into the splicing seam between the cover plate and the shell through screws, and a good sealing effect is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the charger and specifically relates to a high sealed lithium battery charger.
Background
Lithium battery chargers are chargers that are used exclusively to charge lithium ion batteries. The lithium ion battery has higher requirement on the charger and needs a protection circuit, so the lithium ion battery charger generally has higher control precision and can charge the lithium ion battery at constant current and constant voltage. The precision of the lithium battery charger is mainly completed through a lithium battery charging control circuit board, current is detected through the lithium battery charging control circuit board, and charging is finished if the current is smaller than a certain value. The sealing requirement of the lithium battery charger is high, the shell of the existing lithium battery charger is mainly formed by splicing two shells with openings, the sealing performance of the shell cannot be ensured, and the problem of water immersion exists; and the electronic component inside the charger is installed on the circuit board and can not ensure the installation firmness, so that the problem of loosening of the electronic component is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high sealed lithium battery charger in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
A high-sealing lithium battery charger comprises a shell, wherein one side of the shell is provided with an opening, a cover plate is arranged at the opening, an electronic component group is arranged on the cover plate, and the electronic component group comprises a lithium battery charging control circuit board arranged on the inner side surface of the cover plate, and a voltage converter and a current overload protector which are arranged on the lithium battery charging control circuit board;
The cover plate is connected with the shell through a sealing mechanism, the sealing mechanism comprises a sealing flange arranged at the edge of the cover plate, a first annular sealing inclined plane arranged on the peripheral surface of the cover plate and a second annular sealing inclined plane positioned at the opening of the shell, the cover plate is buckled at the opening of the shell, the first annular sealing inclined plane is tightly abutted with the second annular sealing inclined plane, and the sealing flange is tightly contacted with the end surface of the shell;
A plurality of sealing strips are installed at the joint of the cover plate and the shell, the cross section of each sealing strip is U-shaped, each sealing strip comprises two insertion portions and a sealing portion, the side faces of the cover plate and the shell are provided with sealing grooves, the insertion portions of the sealing strips stretch into the sealing grooves, the sealing portions of the sealing strips are fixedly connected with the cover plate and the shell through screws, and the sealing portions of the sealing strips cover the outer sides of the splicing seams between the cover plate and the shell.
Furthermore, the bottom of casing is equipped with the support base, supports the tip conflict of base and voltage converter and current overload protector.
Furthermore, be equipped with on the casing and connect the electric subassembly, connect the electric subassembly including fixing the fixed plate on the casing, set up two terminals on the fixed plate, the positive negative pole of power cord is connected to the one end of two terminals, and the other end of two terminals passes through connection of electric lines voltage converter, and voltage converter connects lithium battery charging control circuit board.
Furthermore, a charger interface assembly connected with the current overload protector is arranged on the shell, the charger interface assembly comprises a charging interface arranged on the shell, a charging fixing plate is arranged in the charging interface, two charging contacts are mounted on the charging fixing plate, and the charging contacts are connected with the current overload protector through electric wires.
Further, the model of the lithium battery charging control circuit board is TP 4056.
The utility model has the advantages that: the cover plate of the charger is connected with the shell through a sealing mechanism, the sealing mechanism comprises a sealing flange arranged at the edge of the cover plate, a first annular sealing inclined plane arranged on the peripheral surface of the cover plate and a second annular sealing inclined plane positioned at the opening of the shell, the cover plate is buckled at the opening of the shell, the first annular sealing inclined plane is tightly abutted with the second annular sealing inclined plane, and the sealing flange is tightly contacted with the end surface of the shell; the sealing strip comprises two insertion parts and a sealing part, the side surfaces of the cover plate and the shell are provided with sealing grooves, the insertion parts of the sealing strips extend into the sealing grooves, the sealing parts of the sealing strips are fixedly connected with the cover plate and the shell through screws, the sealing parts of the sealing strips cover the outer sides of splicing seams between the cover plate and the shell, a first-step sealing effect is achieved on the splicing seams between the cover plate and the shell through the sealing strips, the first annular sealing inclined surface and the second annular sealing inclined surface are tightly abutted to form a second seal, the screws on the sealing strips do not contact with or penetrate through the splicing seams between the cover plate and the shell, so that external moisture cannot penetrate into the splicing seams between the cover plate and the shell through the screws, and a good sealing effect is guaranteed;
In addition, the bottom of casing is equipped with the support base, supports the tip conflict of base and voltage converter and current overload protector, supports base and apron and plays the fixed effect of centre gripping to electronic component, guarantees that voltage converter and current overload protector installation are firm.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is an assembly view of the present invention;
Fig. 3 is an enlarged view of a region a in fig. 2.
Detailed Description
As shown in fig. 1 to 3, a highly sealed lithium battery charger includes a housing 1, one side of the housing 1 has an opening, a cover plate 2 is disposed at the opening, an electronic component set is disposed on the cover plate 2, the electronic component set includes a lithium battery charging control circuit board 3 disposed on an inner side surface of the cover plate 2, a voltage converter 4 and a current overload protector 5 mounted on the lithium battery charging control circuit board 3; the model number of the lithium battery charging control circuit board 3 is TP 4056.
The cover plate 2 is connected with the shell 1 through a sealing mechanism, the sealing mechanism comprises a sealing flange 6 arranged at the edge of the cover plate 2, a first annular sealing inclined surface 7 arranged on the circumferential surface of the cover plate 2 and a second annular sealing inclined surface 8 positioned at the opening of the shell 1, the cover plate 2 is buckled at the opening of the shell 1, the first annular sealing inclined surface 7 is tightly abutted with the second annular sealing inclined surface 8, and the sealing flange 6 is tightly contacted with the end surface of the shell 1;
A plurality of sealing strips 9 are installed at the connecting part of the cover plate 2 and the shell 1, the cross section of each sealing strip 9 is U-shaped, each sealing strip 9 comprises two insertion parts 91 and a sealing part 92, a sealing groove 93 is formed in the side faces of the cover plate 2 and the shell 1, the insertion parts 91 of the sealing strips extend into the sealing grooves 93, the sealing parts 92 of the sealing strips are fixedly connected with the cover plate 2 and the shell 1 through screws 94, and the sealing parts 92 of the sealing strips cover the outer sides of splicing seams between the cover plate 2 and the shell 1. The first step of sealing effect is played to the concatenation seam between apron 2, the casing 1 through sealing strip 9, and first annular seal inclined plane 7 closely contradicts with the second annular seal inclined plane 8 and forms the second sealedly, and screw 94 on the sealing strip does not contact and runs through the concatenation seam between apron 2, the casing 1 in addition, and like this, fine sealed effect has been guaranteed in the concatenation seam between the outer moisture just can't permeate apron, casing through screw 94.
Further, the bottom of the housing 1 is provided with a supporting base 10, and the supporting base 10 is abutted against the ends of the voltage converter 4 and the current overload protector 5. The supporting base 10 and the cover plate 2 play a role in clamping and fixing the electronic element, and the voltage converter 4 and the current overload protector 5 are ensured to be firmly installed.
Further, be equipped with on casing 1 and connect the electric subassembly, connect the electric subassembly including fixing fixed plate 11 on casing 1, set up two terminal 12 on the fixed plate 11, the positive negative pole of power cord 13 is connected to the one end of two terminal 12, and the other end of two terminal 12 passes through connection of electric lines voltage converter 4, and voltage converter 4 connects lithium battery charging control circuit board 3.
In addition, be equipped with the charger interface module who is connected with current overload protector 5 on casing 1, charger interface module is equipped with charging fixed plate 15 including setting up the interface 14 that charges on casing 1 in the interface 14 that charges, charges and installs two charging contacts 16 on the fixed plate 15, and charging contact 16 passes through the electric wire and is connected with current overload protector 5. The charging contact 16 in the charging interface 14 is convenient for being connected with a socket on a lithium battery pack to charge the lithium battery.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high-sealing lithium battery charger comprises a shell, wherein one side of the shell is provided with an opening, a cover plate is arranged at the opening, and an electronic component group is arranged on the cover plate;
The cover plate is connected with the shell through a sealing mechanism, the sealing mechanism comprises a sealing flange arranged at the edge of the cover plate, a first annular sealing inclined plane arranged on the peripheral surface of the cover plate and a second annular sealing inclined plane positioned at the opening of the shell, the cover plate is buckled at the opening of the shell, the first annular sealing inclined plane is tightly abutted with the second annular sealing inclined plane, and the sealing flange is tightly contacted with the end surface of the shell;
A plurality of sealing strips are installed at the joint of the cover plate and the shell, the cross section of each sealing strip is U-shaped, each sealing strip comprises two insertion portions and a sealing portion, the side faces of the cover plate and the shell are provided with sealing grooves, the insertion portions of the sealing strips stretch into the sealing grooves, the sealing portions of the sealing strips are fixedly connected with the cover plate and the shell through screws, and the sealing portions of the sealing strips cover the outer sides of the splicing seams between the cover plate and the shell.
2. A highly sealed lithium battery charger as defined in claim 1, wherein the bottom of said case is provided with a supporting base which abuts against the ends of the voltage converter and the current overload protector.
3. The high-sealing lithium battery charger according to claim 2, wherein the housing is provided with an electrical connection assembly, the electrical connection assembly comprises a fixing plate fixed on the housing, two terminals are arranged on the fixing plate, one end of each of the two terminals is connected with the positive electrode and the negative electrode of the power line, the other end of each of the two terminals is connected with the voltage converter through a wire, and the voltage converter is connected with the lithium battery charging control circuit board.
4. The high-sealing lithium battery charger according to claim 3, wherein the housing is provided with a charger interface assembly connected with the current overload protector, the charger interface assembly comprises a charging interface arranged on the housing, a charging fixing plate is arranged in the charging interface, two charging contacts are mounted on the charging fixing plate, and the charging contacts are connected with the current overload protector through wires.
5. The high-sealing lithium battery charger as claimed in claim 3, wherein the lithium battery charging control circuit board is TP 4056.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446602.0U CN211089193U (en) | 2019-12-28 | 2019-12-28 | High-sealing lithium battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922446602.0U CN211089193U (en) | 2019-12-28 | 2019-12-28 | High-sealing lithium battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211089193U true CN211089193U (en) | 2020-07-24 |
Family
ID=71626324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922446602.0U Active CN211089193U (en) | 2019-12-28 | 2019-12-28 | High-sealing lithium battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211089193U (en) |
-
2019
- 2019-12-28 CN CN201922446602.0U patent/CN211089193U/en active Active
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