Telescopic vehicle-mounted charger

Abstract

The utility model discloses a telescopic vehicle-mounted charger, which comprises a charging main body and a power connection head, the charging main body includes: a housing in which a storage space is formed; the first electronic board is arranged in the storage space of the shell; the telescopic charging wire group is provided with a take-up reel and a charging wire, and the connector part of the charging wire is exposed out of the shell; the charging interface is exposed out of the shell and is electrically connected with the first electronic board; the shell is provided with a jack, and a plug of external power connection equipment is inserted into the jack to be electrically connected with the conductive terminal set so as to provide V voltage for the external power connection equipment. The inverter module is arranged on the first electronic board, the vehicle-mounted 12V voltage is converted into 220V voltage to be output, and the vehicle-mounted inverter can be connected with an electric cooker, heating equipment, a refrigerator and the like, so that the requirements of a user for cooking rice and boiling water in a vehicle are met; the telescopic charging wire is arranged, the charging wire is automatically stored in the take-up reel after charging is completed, storage is more tidy, and the charging wire can be directly pulled out in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, and more specifically to a telescopic vehicle-mounted charger. Background Art

[0002] Currently, the retractable car chargers on the market only have exposed USB charging ports and exposed type-c charging ports, and require additional charging cables for charging. When charging, mobile phones, iPads and other electronic products are connected to the USB charging port or the exposed type-c charging port through their own data cables for charging; however, the additional charging cable cannot be stored, and the data cable needs to be stored separately and used unchanged. If the data cable is not stored separately, it will affect the appearance of the center console.

[0003] There are two other types of car chargers with retractable cables on the market, one with one retractable cable and the other with two retractable cables. They both have a USB port and a type-c port, solving the problem caused by the above-mentioned additional configuration of charging cables.

[0004] However, with the increase of outdoor travel, car refrigerators, car heating equipment, etc. are often equipped, which are operated at low power or low voltage, and the equipment is not effective;

[0005] The applicant added an inverter module to the existing car charger, which can convert the 12V voltage of the car charger into a 220V voltage output, which can be connected to a refrigerator, rice cooker, electric kettle, etc. The applicant also improved the problem of the non-adjustable angle of the telescopic charger in the existing technology. Utility Model Content

[0006] In view of this, the utility model provides a telescopic vehicle charger.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The telescopic vehicle charger comprises: a charging body and a charging head;

[0009] The charging main body comprises:

[0010] Shell, internal structure storage space;

[0011] A first electronic board is installed in the storage space of the housing;

[0012] A retractable charging cable assembly, comprising a cable reel and a charging cable, wherein a connector of the charging cable is exposed outside the housing; a charging interface, which is exposed in the housing and electrically connected to the first electronic board;

[0013] The conductive terminal group and the shell are provided with a socket. The plug of the external power-connected device is inserted into the socket and electrically connected to the conductive terminal group to provide a V voltage for the external power-connected device.

[0014] As a preferred solution of the present invention, an inverter module is provided in the first electronic board to convert the vehicle-mounted 12V voltage into a 220V voltage output.

[0015] As a preferred solution of the utility model, the jack is a two-pin jack or a three-pin jack.

[0016] As a preferred solution of the utility model, the conductive terminal group includes: an insulating terminal seat, a conductive terminal installed on the insulating terminal seat, a protective door corresponding to the conductive terminal and a reset spring;

[0017] When the plug of the external power device is not inserted into the socket, the protective door blocks the conductive terminal and the socket; when the plug of the external power device is inserted into the socket, the plug pin pushes the protective door to move, so that the plug pin is electrically connected to the conductive terminal;

[0018] The return spring provides the return force for the protective door after the plug of the external power device is pulled out.

[0019] As a preferred solution of the utility model, the conductive terminal is electrically connected to the first electronic board; and a cooling fan is arranged in the housing.

[0020] As a preferred solution of the present invention, the retractable charging cable set has at least one type of charging cable; or

[0021] The charging cable has at least one type of connector;

[0022] The housing is provided with a receiving groove for receiving the joint part.

[0023] As a preferred solution of the present invention, the charging interface includes: at least one of a USB interface, a TYPE-C interface, and a Lightning interface.

[0024] As a preferred solution of the utility model, a display screen is provided on the housing, and the display screen is electrically connected to the first electronic board.

[0025] As a preferred solution of the utility model, the power connection head can swing relative to the charging body;

[0026] The electrical connector comprises:

[0027] case;

[0028] A connecting rod, which is hollow and installed on the top of the shell;

[0029] A second electronic board is installed in the housing;

[0030] The negative electrode spring and the positive electrode contact are placed in the housing and electrically connected to the second electronic board;

[0031] The first electronic board and the second electronic board are electrically connected via a wire, and the wire passes through the connecting rod.

[0032] As a preferred solution of the utility model, the connecting rod has a spherical portion and a rotating shaft, and the lower cover of the housing is provided with a hole for the spherical portion to pass through, and a groove for supporting the rotating shaft;

[0033] The connecting rod is limited in the lower cover of the shell by a pressing plate and can rotate, so that the power connection head can swing relative to the charging body.

[0034] It can be seen from the above technical solutions that, compared with the prior art, the present invention has the following beneficial technical effects:

[0035] 1. The utility model is provided with an inverter module on the first electronic board, which converts the vehicle-mounted 12V voltage into a 220V voltage output, and can be connected to an electric rice cooker, a heating device, a refrigerator, etc., to meet the needs of users for cooking and boiling water in the car;

[0036] 2. The utility model is provided with a retractable charging cable, which is automatically stored in the cable reel after charging is completed, making the storage more tidy. When using, the charging cable can be directly pulled out;

[0037] 3. The utility model is provided with charging interfaces and display screens of various specifications. Three mobile phones can be charged at the same time through the charging interface and charging cable, and the charging power can be intuitively displayed through the display screen;

[0038] 4. The power connector of the utility model can swing relative to the charging body, which can meet the adjustment of the power supply angle during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0040] Figure 1 This is a schematic diagram of the structure of the telescopic vehicle charger of the utility model;

[0041] Figure 2 This is a schematic diagram of the telescopic vehicle charger of the utility model from another angle;

[0042] Figure 3This is an exploded view of the telescopic vehicle charger of the utility model;

[0043] Figure 4 This is an exploded view of the telescopic vehicle charger of the utility model from another angle;

[0044] Figure 5 It is an exploded view of the conductive terminal group in the telescopic vehicle charger of the utility model;

[0045] Figure 6 This is an assembly diagram of the power connector and the lower cover of the telescopic vehicle charger of the utility model;

[0046] Figure 7 This is an exploded view of the power connector and the lower cover of the telescopic vehicle charger of the utility model;

[0047] Figure 8 It is a schematic diagram of the telescopic vehicle charger of the utility model after the power connector is swung relative to the charging body.

[0048] Description of reference numerals:

[0049] Charging body 100; outer shell 110; upper cover 111; first side shell 112; second side shell 113; lower cover 114; hole 1141; slot 1142; jack 115; storage slot 116; heat dissipation hole 117; first electronic board 120; telescopic charging line group 130; take-up reel 131; charging line 132; connector 1321; charging interface 140; conductive terminal group 150; insulating terminal seat 151; conductive terminal 152; protective door 153; reset spring 154; display screen 160; cooling fan 170; power connector 200; shell 210; connecting rod 220; spherical part 221; rotating shaft 222; second electronic board 230; negative electrode spring 240; positive electrode contact 250; pressing plate 260. DETAILED DESCRIPTION

[0050] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention. Figure 1-8 As shown, it includes: a charging body 100 and a charging head 200;

[0051] The charging main body 100:

[0052] The housing 110 has a storage space inside;

[0053] The first electronic board 120 is installed in the storage space of the housing 110;

[0054] The retractable charging cable set 130 has a cable reel 131 and a charging cable 132 , and a connector 1321 of the charging cable 132 is exposed outside the housing 110 ;

[0055] A charging interface 140 , exposed on the housing 110 and electrically connected to the first electronic board 120 ;

[0056] The housing 110 is provided with a conductive terminal set 150 and a socket 115 . A plug of an external power-connected device is inserted into the socket 115 and electrically connected to the conductive terminal set 150 , thereby providing a 220V voltage to the external power-connected device.

[0057] Specifically, the housing 110 is made of plastic material, including: an upper cover 111, a first side housing 112, a second side housing 113 and a lower cover 114. The upper cover 111, the first side housing 112, the second side housing 113 and the lower cover 114 can be assembled by ultrasonic hot melting, buckling, screw locking, etc., and after assembly, a rectangular housing 110 is formed, and a storage space is formed inside;

[0058] The split structure of the housing 110 facilitates the assembly of various components inside the storage space;

[0059] It can be seen from the above that the telescopic vehicle charger of the present invention has various functions and generates a lot of heat when in use, so a heat dissipation hole 117 is provided on the housing 110 .

[0060] In one embodiment, an inverter module is provided in the first electronic board 120 to convert the vehicle-mounted 12V voltage into a 220V voltage output;

[0061] The inverter module can adopt a conventional circuit.

[0062] The jack 115 of the inverter module is a two-pin jack or a three-pin jack, specifically, Figure 1 As shown, the socket is a three-pin socket. When the plug of an electric kettle, rice cooker, etc. is inserted into the three-pin socket, the telescopic car charger outputs a voltage of 220V, which can realize the functions of boiling water and cooking in the car.

[0063] In one embodiment, the conductive terminal set 150 includes: an insulating terminal seat 151, a conductive terminal 152 mounted on the insulating terminal seat 151, a protective door 153 corresponding to the conductive terminal 152, and a return spring 154;

[0064] When the plug of the external power device is not inserted into the socket 115, the protective door 153 blocks the conductive terminal 152 and the socket 115;

[0065] When the plug of the external power supply device is inserted into the socket 115, the pins of the plug push the protective door 153 to move, so that the pins are electrically connected to the conductive terminal 152;

[0066] The return spring 154 provides a return force for the protective door 153 after the plug of the external power device is pulled out;

[0067] like Figure 4-5 As shown, when the plug is inserted into the socket 115, the protective door 153 is pushed downward, and the pin is electrically connected to the conductive terminal 152 to achieve power supply. After the plug is inserted, the return spring 154 is in a compressed state, providing an upward elastic force for the protective door 153;

[0068] When the plug is pulled out, the protective door 153 is reset by the elastic force of the reset spring 154 and covers the socket 115 again;

[0069] The protective door 153 can effectively prevent children from inserting their hands into the socket 115 or inserting certain objects into the socket 115, making it safer to use.

[0070] The conductive terminal 152 is electrically connected to the first electronic board 120. A cooling fan 170 is disposed in the housing 110. When the cooling fan 170 is in operation, it can blow out the heat generated by the operation of the telescopic vehicle charger to prevent the telescopic vehicle charger from being burned due to excessive heat.

[0071] In one embodiment, the retractable charging cable set 130 has at least one type of charging cable 132; or

[0072] The charging cable 132 has at least one type of connector 1321;

[0073] The housing 110 is provided with a receiving groove 116 for receiving the joint portion 1321;

[0074] In this embodiment, only one charging cable 132 is provided, and a TYPE-C connector 1321 is provided on the charging cable 132;

[0075] like Figure 1 As shown, when not in use, the joint portion 1321 is stored in the storage slot 116;

[0076] When in use, the connector 1321 is taken out from the storage slot 116, and then the charging cable 132 is pulled outward to connect the connector 132 to the mobile phone or electronic product for power supply;

[0077] In this embodiment, the receiving principle of the take-up reel 131 can adopt the existing technology.

[0078] In one embodiment, the charging interface 140 includes: at least one of a USB interface, a TYPE-C interface, and a Lightning interface;

[0079] In this embodiment, a USB interface and a TYPE-C interface are provided on the surface of the housing 110;

[0080] When in use, the retractable car charger can be automatically charged through the charging line 132, or the electronic product can be powered through the USB interface or the TYPE-C interface external data line, that is, the retractable car charger of this embodiment can power 3 electronic products at the same time.

[0081] In one embodiment, a display screen 160 is provided on the housing 110 , and the display screen 160 is electrically connected to the first electronic board 120 , and the display screen 160 can intuitively display the charging power;

[0082] Optionally, the content that the display screen 160 can display is set according to the circuit of the first electronic board 120 .

[0083] In one embodiment, the charging head 200 can swing relative to the charging body 100;

[0084] The electrical connector 200 comprises:

[0085] Housing 210;

[0086] The connecting rod 220 is hollow and installed on the top of the housing 210;

[0087] The second electronic board 230 is installed in the housing 210;

[0088] The negative electrode spring 240 and the positive electrode contact 250 are placed in the housing 210 and electrically connected to the second electronic board 230;

[0089] The first electronic board 120 and the second electronic board 230 are electrically connected via a wire, and the wire passes through the connecting rod 220;

[0090] Specifically, the power connector 200 has two negative electrode springs 240 , and the positive electrode contact 250 is located at the bottom of the housing 210 . When in use, the power connector 200 can be inserted into the interface of the car console to achieve charging.

[0091] In one embodiment, the connecting rod 220 has a spherical portion 221 and a rotating shaft 222. The lower cover 114 of the outer shell 110 is provided with a hole 1141 for the spherical portion 221 to pass through, and a groove 1142 for supporting the rotating shaft 222. The connecting rod 220 is limited in the lower cover 114 of the outer shell 110 by a pressure plate 260 and can rotate, so that the power connector 200 can swing relative to the charging body 100.

[0092] like Figure 8As shown, during use, the power connector 200 can swing at a certain angle relative to the charging body 100 to achieve a better power connection angle.

[0093] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Telescopic car charger, characterized by: include: A charging body (100) and a charging head (200); The charging body (100) comprises: A housing (110) having a storage space therein; A first electronic board (120) is installed in the storage space of the housing (110); A retractable charging cable set (130) comprises a cable reel (131) and a charging cable (132), wherein a connector portion (1321) of the charging cable (132) is exposed outside the housing (110); A charging interface (140), exposed on the housing (110) and electrically connected to the first electronic board (120); The housing (110) is provided with a socket (115), and a plug of an external power-connecting device is inserted into the socket (115) and electrically connected to the conductive terminal group (150), thereby providing a 220V voltage to the external power-connecting device.

2. The telescopic vehicle charger according to claim 1, characterized in that: The first electronic board (120) is provided with an inverter module to convert the vehicle-mounted 12V voltage into a 220V voltage output.

3. The telescopic vehicle charger according to claim 2, characterized in that: The socket (115) is a two-pin socket or a three-pin socket.

4. The telescopic vehicle charger according to claim 1, characterized in that: The conductive terminal group (150) comprises: an insulating terminal seat (151), a conductive terminal (152) mounted on the insulating terminal seat (151), a protective door (153) corresponding to the conductive terminal (152), and a return spring (154); When the plug of the external power connection device is not inserted into the socket (115), the protective door (153) is shielded between the conductive terminal (152) and the socket (115); When the plug of the external power supply device is inserted into the socket (115), the pins of the plug push the protective door (153) to move, so that the pins are electrically connected to the conductive terminal (152); The return spring (154) provides a return force for the protective door (153) after the plug of the external power device is pulled out.

5. The telescopic vehicle charger according to claim 4, characterized in that: The conductive terminal (152) is electrically connected to the first electronic board (120); A heat dissipation fan (170) is also provided in the housing (110).

6. The telescopic vehicle charger according to any one of claims 1 to 5, characterized in that: The retractable charging cable set (130) comprises at least one type of charging cable (132); or The charging cable (132) has at least one type of connector (1321); The housing (110) is provided with a receiving groove (116) for receiving the joint portion (1321).

7. The telescopic vehicle charger according to any one of claims 1 to 5, characterized in that: The charging interface (140) comprises at least one of a USB interface, a TYPE-C interface, and a Lightning interface.

8. The telescopic vehicle charger according to any one of claims 1 to 5, characterized in that: The housing (110) is provided with a display screen (160), and the display screen (160) is electrically connected to the first electronic board (120).

9. The telescopic vehicle charger according to any one of claims 1 to 5, characterized in that: The power connection head (200) can swing relative to the charging body (100); The electrical connector (200) comprises: Housing (210); A connecting rod (220) is hollow and mounted on the top of the housing (210); A second electronic board (230) is installed in the housing (210); The negative electrode spring (240) and the positive electrode contact (250) are placed in the housing (210) and electrically connected to the second electronic board (230); The first electronic board (120) and the second electronic board (230) are electrically connected via a wire, and the wire passes through a connecting rod (220).

10. The telescopic vehicle charger according to claim 9, characterized in that: The connecting rod (220) has a spherical portion (221) and a rotating shaft (222); the lower cover (114) of the housing (110) is provided with a hole (1141) for the spherical portion (221) to pass through, and a groove (1142) for supporting the rotating shaft (222); The connecting rod (220) is limited in position in the lower cover (114) of the housing (110) by a pressing plate (260) and can rotate, so that the power connection head (200) can swing relative to the charging body (100).

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