Novel automobile charging converter
By using technical means such as rotary protective doors and micro switches in the automotive charging converter, the problems of complex structure, high cost and insufficient safety in the existing technology are solved, and a simpler, safer and more convenient charging converter is realized.
Patent Information
- Application Number
- CN202422234718.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The existing car charging converters have complex structures and high production costs. The sliding protective doors are prone to stuttering, and lack high-temperature protection and automatic power-off functions, resulting in insufficient safety and convenience.
The rotating protective door design is adopted, combined with micro switches and temperature sensors, to achieve fully automated processes and high-temperature automatic power outage, simplifying the structure and reducing costs.
It realizes a simple structure and low-cost car charging converter, which reduces the pressure when plugging, avoids lag problems, and improves the safety and convenience of the device.
Smart Images

Figure CN223039351U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charging converters, and particularly relates to a new type of vehicle charging converter. Background Art
[0002] A vehicle charging converter is an AC converter that can connect the electricity in the battery of a new energy electric vehicle for use or charge the new energy electric vehicle, thus bringing great convenience to people's work and life. Existing vehicle charging converters generally have a sliding protection door at the jack to improve the safety of the device. Although the sliding protection door can close the jack, its structure is relatively complex, resulting in a high manufacturing cost. And because the sliding protection door is subject to a large resistance, a large pressure needs to be applied when inserting the plug, which also makes the protection door prone to jamming. At the same time, since existing vehicle charging converters do not have high-temperature protection and automatic power-on and power-off functions, they lack safety and convenience. Content of the Utility Model
[0003] The purpose of the utility model is to provide a new type of vehicle charging converter to solve the problems raised in the above background art.
[0004] To solve the above technical problems, the utility model provides the following technical solution: A new type of vehicle charging converter includes a housing. A first mounting seat is fixedly connected inside the housing. A circuit board is fixedly connected to the first mounting seat. A temperature sensor is electrically connected to the circuit board. A second mounting seat is fixedly connected to the first mounting seat and is arranged at the top of the circuit board. A protection door is hinged inside the second mounting seat. A spring is installed on the protection door, and the other end of the spring is arranged inside the second mounting seat.
[0005] Preferably, two inclined grooves are formed on the upper surface of the protection door. A second positioning post is fixedly connected to the protection door. A first positioning post is fixedly connected inside the second mounting seat. One end of the spring is sleeved on the first positioning post, and the other end is sleeved on the second positioning post.
[0006] Preferably, a sleeve is fixedly connected to the second mounting seat, and the protection door is rotatably connected to the sleeve. A limiting block is fixedly connected to the sleeve and is arranged at the top of the protection door. Cuts are formed on the outer walls on both sides of the sleeve.
[0007] Preferably, a micro switch is electrically connected to the circuit board, and an indicator light is electrically connected to the circuit board.
[0008] Preferably, a panel is fixedly connected to the housing and is arranged at the top of the second mounting seat.
[0009] Preferably, a grounding pole is fixedly connected to the first mounting seat, a connecting piece is fixedly connected to the grounding pole, and the connecting piece is arranged at the top end of the second mounting seat, and both ends of the connecting piece are fixedly connected with spring pieces.
[0010] Preferably, a neutral pole is provided on one side of the ground pole, and a live pole is provided on the other side of the ground pole, and both the neutral pole and the live pole are fixedly connected to the first mounting seat, and both the neutral pole and the live pole are fixedly connected with contact pieces, and the contact pieces are provided at the bottom end of the second mounting seat.
[0011] Preferably, a socket is provided on the second mounting seat at a position corresponding to the contact piece.
[0012] The utility model provides a novel automobile charging converter, which has the following advantages: the utility model adopts a rotating protection door design, which has the advantages of simple structure and low cost, and the rotating design makes the protection door less subject to resistance, easier to open, and less prone to jamming; the utility model realizes a fully automated process of plugging in to power on and pulling out to power off by adding a micro switch, and monitors the temperature by adding a temperature sensor to ensure automatic power off at high temperature, so it has good convenience and safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] 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 described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0015] Figure 2 It is an exploded view of the overall three-dimensional structure of the utility model;
[0016] Figure 3 for Figure 2 A magnified view of the structure in the middle A area;
[0017] Figure 4 It is a schematic diagram of the overall top view structure of the utility model.
[0018] In the figure: 1. Outer shell; 11. Panel; 2. First mounting seat; 21. Circuit board; 22. Microswitch; 23. Temperature sensor; 24. Ground wire post; 25. Neutral wire post; 26. Live wire post; 27. Contact piece; 28. Second mounting seat; 29. Sleeve; 210. Notch; 211. Limit block; 212. Jack; 213. First positioning post; 214. Protection door; 215. Inclined groove; 216. Second positioning post; 217. Spring; 218. Connecting piece; 219. Elastic piece; 220. Indicator lamp. Detailed implementation manner
[0019] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to the attached Figure 1 - attached Figure 4, an embodiment provided by the present utility model: a new type of vehicle charging converter, which includes a housing 1. A first mounting seat 2 is fixedly connected inside the housing 1. A circuit board 21 is fixedly connected to the first mounting seat 2. A temperature sensor 23 is electrically connected to the circuit board 21. A second mounting seat 28 is fixedly connected to the first mounting seat 2, and the second mounting seat 28 is arranged at the top of the circuit board 21. A protection door 214 is hinged inside the second mounting seat 28. A spring 217 is installed on the protection door 214, and the other end of the spring 217 is arranged inside the second mounting seat 28. The first mounting seat 2 is used for mounting the circuit board 21 and the second mounting seat 28. The second mounting seat 28 is used for mounting the protection door 214. The protection door 214 is used for dust and water protection to improve the safety of the device. The spring 217 is used to provide a reset elastic force for the protection door 214; two inclined slots 215 are opened on the upper surface of the protection door 214. A second positioning post 216 is fixedly connected to the protection door 214. A first positioning post 213 is fixedly connected inside the second mounting seat 28. One end of the spring 217 is sleeved on the first positioning post 213, and the other end is sleeved on the second positioning post 216. The inclined slots 215 are used to change the direction of the pressure applied by the plug blades, thereby pushing the protection door 214 to rotate. The first positioning post 213 and the second positioning post 216 are used for installing the spring 217; a sleeve 29 is fixedly connected to the second mounting seat 28, and the protection door 214 is rotatably connected to the sleeve 29. A limiting block 211 is fixedly connected to the sleeve 29, and the limiting block 211 is arranged at the top of the protection door 214. Notches 210 are opened on both outer walls of the sleeve 29. The sleeve 29 is used to realize the hinge connection between the protection door 214 and the second mounting seat 28. The notches 210 are used to provide a deformation space for the sleeve 29 to facilitate the installation of the protection door 214. The limiting block 211 is used to limit the protection door 214; a micro switch 22 is electrically connected to the circuit board 21. An indicator light 220 is electrically connected to the circuit board 21. The micro switch 22 is used to send a signal to the in-vehicle system terminal to control the on-off of the circuit. The indicator light 220 is used to indicate the working state; a panel 11 is fixedly connected to the housing 1, and the panel 11 is arranged at the top of the second mounting seat 28. The panel 11 is used to close the housing 1; a ground wire post 24 is fixedly connected to the first mounting seat 2. A connecting piece 218 is fixedly connected to the ground wire post 24, and the connecting piece 218 is arranged at the top of the second mounting seat 28. Elastic pieces 219 are fixedly connected to both ends of the connecting piece 218. The ground wire post 24 is used for grounding. The connecting piece 218 and the elastic pieces 219 are of an integral structure and are used for grounding; a neutral wire post 25 is arranged on one side of the ground wire post 24. A live wire post 26 is arranged on the other side of the ground wire post 24. The neutral wire post 25 and the live wire post 26 are both fixedly connected to the first mounting seat 2. Contact pieces 27 are fixedly connected to the neutral wire post 25 and the live wire post 26, and the contact pieces 27 are arranged at the bottom of the second mounting seat 28. The neutral wire post 25 and the live wire post 26 are used for transmitting current. The contact pieces 27 are used for contacting the plug blades of the plug;A jack 212 is provided at a position on the second mounting base 28 corresponding to the contact piece 27. The jack 212 is used to accommodate the insertion piece of the plug.
[0021] Working principle: When using the present utility model, connect the bottom end of the housing 1 to the charging interface of a new energy electric vehicle to deliver the electricity in the vehicle battery for external use, or connect to an external power source to charge the new energy electric vehicle. When the plug is inserted, it will push the protection door 214 to rotate through the inclined groove 215, causing the spring 217 to be compressed and deformed. After the plug is inserted in place, it will squeeze and trigger the microswitch 22. The microswitch 22 sends a signal to the in-vehicle system terminal, making the circuit conduct, the indicator light 220 light up, and the operating temperature of the device is monitored by the temperature sensor 23. When the temperature exceeds the threshold, the in-vehicle system terminal can cut off the power in time for protection; among them, the panel 11 and the housing 1 form the main housing of the device. The first mounting base 2 is used to mount the ground wire column 24, the neutral wire column 25, the live wire column 26, the circuit board 21 and the second mounting base 28. The second mounting base 28 is used to mount the protection door 214. The contact piece 27 is used to contact the insertion piece of the plug. The sleeve 29 is used to realize the hinge connection between the protection door 214 and the second mounting base 28. The notch 210 is used to provide a deformation space for the sleeve 29 to facilitate the installation of the protection door 214. The limiting block 211 is used to limit the protection door 214. The jack 212 is used to accommodate the insertion piece of the plug. The first positioning post 213 and the second positioning post 216 are used to mount the spring 217. The spring 217 is used to provide a reset elastic force for the protection door 214. The connecting piece 218 and the elastic piece 219 are of an integral structure and are used for grounding.
[0022] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0023] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative labor.
[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A novel automobile charging converter, comprising a housing (1), characterized in that: A first mounting seat (2) is fixedly connected inside the housing (1), a circuit board (21) is fixedly connected to the first mounting seat (2), a temperature sensor (23) is electrically connected to the circuit board (21), a second mounting seat (28) is fixedly connected to the first mounting seat (2), and the second mounting seat (28) is arranged at the top of the circuit board (21), a protection door (214) is hinged inside the second mounting seat (28), a spring (217) is installed on the protection door (214), and the other end of the spring (217) is arranged inside the second mounting seat (28).
2. A novel automobile charging converter according to claim 1, characterized in that: The upper surface of the protection door (214) is provided with two oblique grooves (215); a second positioning column (216) is fixedly connected to the protection door (214); a first positioning column (213) is fixedly connected inside the second mounting seat (28); one end of the spring (217) is sleeved on the first positioning column (213), and the other end is sleeved on the second positioning column (216).
3. A novel automobile charging converter according to claim 2, characterized in that: A sleeve (29) is fixedly connected to the second mounting seat (28), and the protection door (214) is rotatably connected to the sleeve (29). A limit block (211) is fixedly connected to the sleeve (29), and the limit block (211) is arranged at the top of the protection door (214). Notches (210) are provided on both side outer walls of the sleeve (29).
4. The novel automobile charging converter according to claim 1 is characterized in that: The circuit board (21) is electrically connected to a micro switch (22), and the circuit board (21) is electrically connected to an indicator light (220).
5. The novel automobile charging converter according to claim 1 is characterized in that: A panel (11) is fixedly connected to the housing (1), and the panel (11) is arranged on the top end of the second mounting seat (28).
6. The novel automobile charging converter according to claim 1 is characterized in that: A grounding post (24) is fixedly connected to the first mounting seat (2), a connecting piece (218) is fixedly connected to the grounding post (24), and the connecting piece (218) is arranged at the top end of the second mounting seat (28), and both ends of the connecting piece (218) are fixedly connected to spring pieces (219).
7. A novel automobile charging converter according to claim 6, characterized in that: A neutral pole (25) is arranged on one side of the ground pole (24), and a live pole (26) is arranged on the other side of the ground pole (24), and the neutral pole (25) and the live pole (26) are both fixedly connected to the first mounting seat (2), and a contact piece (27) is fixedly connected to the neutral pole (25) and the live pole (26), and the contact piece (27) is arranged at the bottom end of the second mounting seat (28).
8. The novel automobile charging converter according to claim 7 is characterized in that: A plug hole (212) is provided on the second mounting seat (28) at a position corresponding to the contact piece (27).