CN210443698U - Negative electrode contact piece and vehicle-mounted charger - Google Patents
Negative electrode contact piece and vehicle-mounted charger Download PDFInfo
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- CN210443698U CN210443698U CN201922017034.2U CN201922017034U CN210443698U CN 210443698 U CN210443698 U CN 210443698U CN 201922017034 U CN201922017034 U CN 201922017034U CN 210443698 U CN210443698 U CN 210443698U
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Abstract
The utility model relates to a negative pole contact piece and a vehicle-mounted charger with the same, relating to the technical field of vehicle-mounted equipment and solving the problem that the common vehicle-mounted charger is easy to have poor contact; the elastic component is two and locates the both sides that hold the piece, is equipped with the kink on the elastic component, and a kink is crooked towards the direction of another kink, and the negative pole contact member is located on the elastic component, the terminal surface that the elastic body was kept away from to the negative pole contact member is constructed as the cambered surface, has reached and has increased negative pole contact member and electric connector's area of contact to avoid the electric connector bad contact's on negative pole contact member and the automobile body the condition emergence, improve the purpose of on-vehicle charger's power supply stability.
Description
Technical Field
The utility model relates to an mobile unit technical field, in particular to negative pole contact piece and vehicle-mounted charger.
Background
The vehicle-mounted charger is an accessory for facilitating a vehicle owner to use the vehicle-mounted charging source, a positive terminal and a negative terminal on the vehicle-mounted charger can be electrically connected with a power supply on a vehicle body, so that the electronic equipment can be charged by using the vehicle-mounted charger, the negative terminal on the existing vehicle-mounted charger is smaller in contact surface with the power supply on the vehicle body, so that the vehicle-mounted charger can only provide a smaller ground current, poor contact is easy to occur, and how to provide the vehicle-mounted charger which provides a large current and ensures that the negative terminal is stably and electrically connected with the vehicle body power supply becomes a problem to be solved urge.
SUMMERY OF THE UTILITY MODEL
An aspect of the utility model provides a negative pole contact piece.
Yet another aspect of the utility model provides an on-vehicle charger.
The utility model discloses an aspect provides a negative pole contact piece for on-vehicle charger, include: a carrier; the elastic pieces are arranged on two sides of the bearing piece, the elastic pieces are provided with bending parts, and one bending part bends towards the other bending part; and the negative contact piece is arranged on the elastic piece, and the end face, far away from the elastic body, of the negative contact piece is configured into a plane.
By adopting the technical scheme, the negative contact piece comprises the bearing piece, the elastic piece and the negative contact piece, the bearing piece plays a bearing role on the elastic piece, the elastic piece has elasticity, the two elastic pieces are positioned at two sides of the bearing piece, so that the negative contact pieces on the two elastic pieces are oppositely arranged, the two elastic pieces can drive the two negative contact pieces to be abutted against the electric connecting piece on the vehicle body by the force in opposite directions, the two negative contact pieces are balanced in stress and are not easy to deflect, when the vehicle-mounted charger is installed on the vehicle body, the negative contact pieces are abutted against a main board in the vehicle-mounted charger, as the end face of the negative contact piece far away from the elastic piece is constructed into a plane, namely, the end face of the negative contact piece facing the electric connecting piece on the vehicle body is a plane, compared with the mode that the, the electric connector on negative pole contact and the automobile body in this application is face contact, has effectively increased negative pole contact and electric connector's area of contact to can be through the ground current more between negative pole contact and electric connector, and then can accelerate the speed of charging to user's point sub-unit, also difficult the electric connector contact failure's on negative pole contact and the automobile body condition emergence that appears in addition provides on-vehicle charger's power supply stability.
Furthermore, the elastic piece is provided with a bending part to improve the elastic force of the elastic piece after deformation, and the bending direction of one bending part faces to the other bending part, so that the elastic piece can generate large thrust to the negative contact piece, the negative contact piece can be guaranteed to be abutted against the electric connection piece on the vehicle body, and the power supply stability of the vehicle-mounted charger is improved.
In a further arrangement, the end face of the pole contact piece remote from the elastic body is constructed as a triangle.
In a further arrangement, the end face of the pole contact piece remote from the elastic body is constructed as a rectangle.
In a further arrangement, the end face of the pole contact piece remote from the elastic body is constructed as a hexagon.
The utility model discloses a further setting, the negative pole contact piece still includes: the distance sensor is arranged on the elastic piece and used for detecting the distance between the two elastic pieces; an alarm; and the controller is used for acquiring a detection signal of the distance sensor, so that when the detection signal indicates that the time length when the distance between the two negative contacts is smaller than the preset distance exceeds the preset time length, the controller controls the alarm to give an alarm.
By adopting the technical scheme, when the distance between the two negative electrode contact pieces is smaller than the preset distance and the duration exceeds the preset duration, the controller controls the alarm to give an alarm.
Specifically, with on-vehicle aerator installation in-process on the automobile body, promote two negative pole contacts, make two negative pole contacts move towards the direction that is close to each other, when moving to the installation position, the negative pole contact can inlay card in the installation position, make two negative pole installed parts move a section distance towards the direction of keeping away from each other, if the interval of two negative pole contacts still is less than preset interval when exceeding preset time, explain in the negative pole contact does not imbed the installation position, thereby make the controller control siren send out the police dispatch newspaper, remind the user to look over the mounted position of on-vehicle charger, stability when improving on-vehicle charger and using.
The utility model discloses a further setting holds and is equipped with the connecting portion of being connected with the elastic component on the carrier, and connecting portion are located the both sides that hold the carrier and are equipped with the recess.
Through adopting above-mentioned technical scheme, set up the recess in the both sides of connecting portion for the elastic component holds the relative difficult interference that receives when bearing the rotation of carrier, avoids holding the rotation that the carrier caused the elastic component and stops, improves the stability that the elastic component drove the removal of negative pole contact.
The utility model is further provided with a through hole on the bearing part; the carrier further comprises: and the external connector can abut against the abutting part to realize the fixed installation of the bearing piece.
Through adopting above-mentioned technical scheme, the external piece passes the through-hole to offset with the butt portion that holds on the carrier, can understand that, the external piece carries out the centre gripping with other parts to the carrier, makes the difficult appearance of negative pole contact piece rock, guarantees the stability of the internals of on-vehicle charger.
Another aspect of the utility model provides an on-vehicle charger, including the negative pole contact piece that provides in any above-mentioned technical scheme, so on-vehicle charger has the technological effect of the negative pole contact piece that provides in any above-mentioned technical scheme.
The utility model discloses a further setting, on-vehicle charger still includes: the negative contact piece can be electrically connected with the main board, and the main board is positioned in the enclosed area of the elastic body; the main board and the negative contact piece are arranged in the shell; and the positive terminal is point-connected with the main board, and the positive terminal and the negative contact piece can at least partially penetrate out of the shell.
Through adopting above-mentioned technical scheme, the negative contact on positive terminal and the negative contact piece homoenergetic realizes the electricity with the electric connector on mainboard and the automobile body and is connected, when on-vehicle charger does not use, elastic sheet drive negative contact and mainboard separation, when installing on the automobile body with on-vehicle charger, the electric connector on negative contact and the automobile body offsets, thereby make the negative contact move towards one side of mainboard and offset with the mainboard, thereby make the mainboard, the positive terminal, the electric connector, the power on negative contact and the automobile body forms closed loop, thereby make on-vehicle charger can charge for user's electronic equipment.
Drawings
Fig. 1 is a schematic structural diagram of an on-board charger according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an on-board charger according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of the negative electrode contact piece in the embodiment of the present invention.
Reference numerals: 1. a carrier; 11. a groove; 12 an abutting portion; 2. an elastic member; 21. a bending part; 3. a negative contact; 4. a main board; 5. a housing; 51. a pressing part; 6. and a positive terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
an embodiment of an aspect of the present invention provides a negative electrode contact piece for an on-vehicle charger, as shown in fig. 2 and 3, including: a carrier 1, an elastic member 2 and a negative contact member 3; the two elastic pieces 2 are machined and formed on two sides of the bearing piece 1, bent parts are machined and formed on the elastic pieces 2, and one bent part is bent towards the other bent part; the negative contact 3 is formed on the elastic member 2, and the end face of the negative contact 3 away from the elastic body is configured as a cambered surface.
The negative contact piece comprises a bearing part 1, an elastic part 2 and a negative contact part 3, the bearing part 1 plays a bearing role for the elastic part 2, the elastic part 2 has elasticity, the two elastic parts 2 are positioned at two sides of the bearing part 1, so that the negative contact parts 3 on the two elastic parts 2 are oppositely arranged, and further the two elastic parts 2 can drive the two negative contact parts 3 to abut against the electric connecting piece on the vehicle body by force in opposite directions, the two negative contact parts 3 are balanced in stress and not easy to deflect, when the vehicle-mounted charger is installed on the vehicle body, the negative contact part 3 abuts against a main board 4 in the vehicle-mounted charger, because the end face of the negative contact part 3 far away from the elastic part 2 is constructed into a plane, namely the end face of the negative contact part 3 facing the electric connecting piece on the vehicle body is a plane, compared with the mode that the negative contact part 3 and, electric connector on negative pole contact 3 and the automobile body in this application is the face contact, has effectively increased the area of contact of negative pole contact 3 and electric connector to can be through bigger ground current between negative pole contact 3 and electric connector, and then can accelerate the speed of charging to user's some sub-devices, the difficult condition emergence of electric connector contact failure on negative pole contact 3 and the automobile body that also appears provides on-vehicle charger's power supply stability.
Further, the elastic piece 2 is provided with the bending portion 21 to improve the elastic force of the elastic piece 2 after deformation, and the bending direction of one bending portion 21 faces the other bending portion 21, so that the elastic piece 2 can generate large thrust on the negative contact piece 3, the negative contact piece 3 can be guaranteed to be abutted against an electric connecting piece on a vehicle body, and the power supply stability of the vehicle-mounted charger is improved.
The end face of the negative contact 3 away from the elastic body in this embodiment may be configured to be triangular, rectangular or hexagonal, and those skilled in the art will understand that other planar shapes are also within the scope of the present invention.
The negative contact piece further includes: a distance sensor mounted on the elastic member 2 for detecting a distance between the two elastic members 2, an alarm, and a controller; the controller is used for acquiring a detection signal of the distance sensor, so that when the detection signal indicates that the time length of the distance between the two negative contacts 3 is smaller than the preset distance exceeds the preset time length, the controller controls the alarm to give an alarm.
When the distance between the two negative contacts 3 is smaller than the preset distance and the duration exceeds the preset duration, the controller controls the alarm to give an alarm.
Specifically, with on-vehicle aerator installation in-process on the automobile body, promote two negative pole contacts 3, make two negative pole contacts 3 move towards the direction that is close to each other, when moving to the installation position, negative pole contact 3 can inlay card in the installation position, make two negative pole installed parts move a section distance towards the direction of keeping away from each other, if the interval of two negative pole contacts 3 still is less than preset interval when exceeding preset duration, explain negative pole contact 3 not imbed in the installation position, thereby make the controller control siren send out the police dispatch newspaper, remind the user to look over the mounted position of on-vehicle charger, stability when improving on-vehicle charger and using.
As shown in fig. 2 and 3, the supporting member 1 is provided with a connecting portion connected to the elastic member 2, and the connecting portion is provided with grooves 11 at two sides of the supporting member 1.
Set up recess 11 in the both sides of connecting portion for elastic component 2 is difficult for receiving the interference when carrying 1 rotation relatively, avoids carrying 1 and causes the rotation of elastic component 2 and stops, improves the stability that elastic component 2 drove the removal of negative pole contact 3.
A through hole is arranged on the bearing part 1; the carrier 1 further comprises: and the abutting part 12 can abut against the external connector 12 so as to realize the fixed installation of the bearing part 1.
Through adopting above-mentioned technical scheme, the external piece passes the through-hole to offset with the butt portion 12 on bearing spare 1, can understand that the external piece carries out the centre gripping with other parts to bearing spare 1, makes the difficult appearance of negative pole contact piece rock, guarantees the stability of the internals of on-vehicle charger.
An embodiment of the present invention provides an on-vehicle charger, including the negative electrode contact piece provided in any one of the above embodiments, so that the on-vehicle charger has the technical effect of the negative electrode contact piece provided in any one of the above embodiments.
As shown in fig. 1, 2, and 3, the in-vehicle charger further includes: the main board 4, the shell 5 and the positive terminal 6, the negative contact piece can be electrically connected with the main board 4, and the main board 4 is positioned in the surrounding area of the elastic body; the main board 4 and the negative contact piece are arranged in the shell 5; and a positive terminal 6 electrically connected to the main board 4, the positive terminal 6 and the negative contact 3 being capable of at least partially penetrating the housing 5.
The positive terminal 6 and the negative contact piece on the negative contact piece can be electrically connected with the mainboard 4 and the electric connecting piece on the vehicle body, when the vehicle-mounted charger is not used, the elastic piece drives the negative contact piece 3 to be separated from the mainboard 4, when the vehicle-mounted charger is installed on the vehicle body, the negative contact piece 3 is abutted against the electric connecting piece on the vehicle body, so that the negative contact piece 3 moves towards one side of the mainboard 4 and is abutted against the mainboard 4, so that the mainboard 4, the positive terminal 6, the electric connecting piece, the negative contact piece 3 and the power supply on the vehicle body form a closed loop, so that the vehicle-mounted charger can charge electronic equipment of a user, the shell 5 comprises an outer shell and an inner shell, the outer shell can be sleeved on the inner shell, a pressing part 51 is arranged on the outer shell, when the vehicle, thereby causing the negative contact 3 to disengage from the groove on the vehicle body.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because some steps may be performed in other sequences or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above embodiments are only used to illustrate the technical solution of the present invention, and do not limit the protection scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without any inventive step, are within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still make no creative work on the condition of conflict, and make mutual combination, addition and deletion, or other adjustments according to the features in the embodiments of the present invention, thereby obtaining other technical solutions which are different and do not depart from the concept of the present invention, and these technical solutions also belong to the scope to be protected by the present invention.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A negative electrode contact piece for an in-vehicle charger, comprising:
a carrier;
the elastic pieces are arranged on two sides of the bearing piece, bent parts are arranged on the elastic pieces, and one bent part is bent towards the other bent part;
and the negative contact piece is arranged on the elastic piece, and the end face of the negative contact piece, which is far away from the elastic body, is constructed into an arc surface.
2. The negative contact strip of claim 1, wherein an end face of the pole contact remote from the resilient body is configured as a triangle.
3. The negative contact strip of claim 1, wherein an end face of the pole contact remote from the elastic body is configured as a rectangle.
4. The negative contact strip of claim 1, wherein an end face of the pole contact remote from the resilient body is configured as a hexagon.
5. The negative contact tab of any one of claims 1 to 4, further comprising:
the distance sensor is arranged on the elastic piece and used for detecting the distance between the two elastic pieces;
an alarm;
the controller is used for acquiring a detection signal of the distance sensor, so that when the detection signal indicates that the time length when the distance between the two negative contact pieces is smaller than the preset distance exceeds the preset time length, the controller controls the alarm to give an alarm.
6. The negative contact strip according to any one of claims 1 to 4, wherein the support member is provided with a connecting portion connected to the elastic member, and the connecting portion is provided with a groove on both sides of the support member.
7. The negative contact tab of claim 6, wherein the carrier has a through hole;
the carrier further comprises:
and the external connector can abut against the abutting part so as to realize the fixed installation of the bearing piece.
8. An in-vehicle charger, comprising:
the negative contact sheet of any one of claims 1 to 7.
9. The vehicle-mounted charger according to claim 8, characterized by further comprising:
the negative contact piece can be electrically connected with the main board, and the main board is positioned in the surrounding area of the elastic body;
the main board and the negative contact piece are arranged in the shell;
a positive terminal point-connected to the main board, the positive terminal and the negative contact being capable of at least partially passing out of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017034.2U CN210443698U (en) | 2019-11-20 | 2019-11-20 | Negative electrode contact piece and vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017034.2U CN210443698U (en) | 2019-11-20 | 2019-11-20 | Negative electrode contact piece and vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443698U true CN210443698U (en) | 2020-05-01 |
Family
ID=70412242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922017034.2U Active CN210443698U (en) | 2019-11-20 | 2019-11-20 | Negative electrode contact piece and vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443698U (en) |
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2019
- 2019-11-20 CN CN201922017034.2U patent/CN210443698U/en active Active
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