Position detection module, electronic lock and charging gun

Abstract

The utility model discloses a position detection module, an electronic lock and a charging gun. The position detection module comprises: a rotating member having a slide bar deviating from a rotation axis thereof; the moving part is provided with a sliding groove which is in sliding fit with the sliding rod; the moving contact is fixed on the moving part, the rotating part is suitable for rotating around the rotating axis under the driving of a driving device of the electronic lock, and the rotating motion of the rotating part can be converted into the linear motion of the moving part through a sliding rod and a sliding groove which are matched with each other; the movable contact is driven to move between a bridging position where the movable contact is in bridge connection with a pair of detection terminals of the electronic lock and a disconnection position where the movable contact is not in bridge connection with the pair of detection terminals. According to the position detection module, the moving contact installed in the moving block is used for replacing a traditional microswitch, the structure of the position detection module is simplified, and cost is reduced. In addition, the moving contact is small in size and resistant to abrasion, and therefore the size of the electronic lock can be reduced, and the service life of the electronic lock can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a position detection module, which is used for detecting the position of a locking member of an electronic lock of a charging gun. BACKGROUND

[0002] In the prior art, when the charging gun is plugged into the charging base, in order to prevent the charging gun from being accidentally separated from the charging base, an electronic lock for locking the charging gun to the charging base needs to be installed on the charging gun. Generally, the electronic lock has a locking member that can be moved between a locking position and an unlocking position. When the locking member of the electronic lock is moved to the locking position, the locking member engages with the charging base to lock the charging gun to the charging base. When the electronic lock is moved to the unlocking position, the locking member is separated from the charging base to allow the charging gun to be pulled out of the charging base. In the prior art, a micro switch for detecting the position of the locking member is provided in the electronic lock. However, the micro switch is relatively expensive, and a circuit board for installing the micro switch also needs to be provided. In addition, the micro switch has a large volume and a short service life, which seriously affects the performance of the entire electronic lock. SUMMARY

[0003] The utility model aims to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, a position detection module is provided. The position detection module is used for detecting the position of a locking member of an electronic lock of a charging gun. The position detection module comprises a rotating member having a slide rod offset from its rotation axis, a moving member having a sliding groove in sliding cooperation with the slide rod, and a movable contact fixed to the moving member. The rotating member is adapted to rotate about the rotation axis under the drive of a drive device of the electronic lock. The rotational movement of the rotating member can be converted into the linear movement of the moving member through the cooperating slide rod and sliding groove, so as to drive the movable contact to move between a bridging position bridging a pair of detection terminals of the electronic lock and a disconnecting position not bridging the pair of detection terminals.

[0005] According to one exemplary embodiment of the utility model, the slide rod is parallel to and offset from the rotation axis of the rotating member by a predetermined distance, and the sliding groove extends in a direction perpendicular to the rotation axis of the rotating member by a predetermined length.

[0006] According to another exemplary embodiment of the present application, the moving contact includes a fixed substrate fixed to the moving member, and a pair of contact springs connected to the fixed substrate. When the moving contact is in the bridging position, the pair of contact springs are in electrical contact with the pair of detection terminals, respectively. When the moving contact is in the disconnecting position, at least one of the pair of contact springs is not in contact with the detection terminals.

[0007] According to another exemplary embodiment of the present application, the moving member is injection molded on the fixed substrate of the moving contact, such that the moving member and the moving contact are integrated.

[0008] According to another exemplary embodiment of the present application, the fixed substrate of the moving contact is detachably assembled to the moving member, such that the moving contact can be replaced individually.

[0009] According to another exemplary embodiment of the present application, the moving member includes a block adapted to be movably installed in a guide slot in a box body of an electronic lock to be linearly movable along the guide slot, and a plug connected to the block and having a slide slot formed thereon, the slide slot being formed on the rotating member and the slide rod being located in the slide slot, the plug being movably inserted into the slide slot.

[0010] According to another exemplary embodiment of the present application, a mounting hole is formed on the rotating member to allow a driving shaft of the driving device to pass through, and the rotating member is adapted to be installed on the driving shaft and to be rotatable with the driving shaft.

[0011] According to another aspect of the present application, an electronic lock is provided. The electronic lock is used to lock a charging gun to a charging base. The electronic lock includes a box body, a pair of detection terminals fixed to an inner side of the box body, a driving device provided in the box body and having a driving shaft, a locking member provided in the box body and connected to the driving shaft, and adapted to be rotatable between a locking position and an unlocking position under the driving of the driving shaft, and the aforementioned position detection module provided in the box body and having the rotating member installed on the driving shaft to be rotatable synchronously with the driving shaft and the locking member. When the locking member is rotated to the locking position, the moving contact is moved to one of the bridging position and the disconnecting position. When the locking member is rotated to the unlocking position, the moving contact is moved to the other of the bridging position and the disconnecting position.

[0012] According to an exemplary embodiment of the present application, when the locking member is rotated to the locking position, the moving contact is moved to the bridging position. When the locking member is rotated to the unlocking position, the moving contact is moved to the disconnecting position.

[0013] According to another exemplary embodiment of the present application, when the locking member is rotated to the locked position, the movable contact is moved to the open position; and when the locking member is rotated to the unlocked position, the movable contact is moved to the bridged position.

[0014] According to another exemplary embodiment of the present application, a slot is formed on a top wall of the box body, the locking member has a locking portion located in the slot of the box body; when the charging gun is inserted into the charging base and the locking member is rotated to the locked position, the locking portion engages with the charging base to lock the charging gun to the charging base; and when the charging gun is inserted into the charging base and the locking member is rotated to the unlocked position, the locking portion is disengaged from the charging base to allow the charging gun to be pulled out of the charging base.

[0015] According to another exemplary embodiment of the present application, a straight guiding slot is formed inside the box body, the block of the moving member is movably installed in the guiding slot to be able to move linearly along the guiding slot.

[0016] According to another exemplary embodiment of the present application, the electronic lock further comprises a pair of connecting terminals fixed to the inner side of the box body and electrically connected with the driving device, for electrically connecting the driving device to a power source.

[0017] According to another exemplary embodiment of the present application, the box body is injection molded on the pair of detecting terminals and the pair of connecting terminals, so that the box body, the pair of detecting terminals and the pair of connecting terminals become an integral piece.

[0018] According to another exemplary embodiment of the present application, the detecting terminal has a contact end, the contact end of the detecting terminal is embedded in the side wall of the box body, and the contact end of the detecting terminal has a contact surface exposed from the side wall of the box body for electrically contacting with the contact spring of the movable contact.

[0019] According to another exemplary embodiment of the present application, the box body has an interface portion located on the outside thereof, the detecting terminal has a first pin for electrically connecting to a detecting circuit, the connecting terminal has a second pin for electrically connecting to a power source, and the first pin and the second pin extend into the interface portion for electrically connecting with a connector inserted into the interface portion.

[0020] According to another exemplary embodiment of the present application, the box body has a pair of opposite side walls in the lateral direction thereof, the pair of detection terminals are fixed to the inner side of one side wall of the box body, the guide slot extends along the height direction of the box body, and the driving shaft of the driving device drives the rotating member to rotate around the rotation axis parallel to the longitudinal direction of the box body.

[0021] According to another exemplary embodiment of the present application, the driving device is a servo motor, and the driving shaft is the output shaft of the servo motor.

[0022] According to another exemplary embodiment of the present application, the box body has a bottom opening, and the driving device, the position detection module and the locking member are installed into the box body through the bottom opening; the electronic lock further comprises a bottom cover installed on the bottom opening of the box body to cover the bottom opening of the box body.

[0023] According to another aspect of the present application, a charging gun is provided. The charging gun comprises a housing, a power terminal arranged in the housing for mating with a mating terminal of a charging base, and the aforementioned electronic lock installed on the housing. When the charging gun is inserted into the charging base and the locking member is rotated to the locking position, the locking member engages with the charging base to lock the charging gun to the charging base; when the charging gun is inserted into the charging base and the locking member is rotated to the unlocking position, the locking member is separated from the charging base to allow the charging gun to be pulled out of the charging base.

[0024] In the aforementioned exemplary embodiments of the present application, the moving contact installed in the moving block is used to replace the conventional micro switch, which simplifies the structure of the position detection module and reduces the cost.

[0025] In addition, in the aforementioned exemplary embodiments of the present application, the moving contact has small volume and good wear resistance, and therefore the present application can also reduce the volume of the electronic lock and prolong the service life of the electronic lock.

[0026] Other purposes and advantages of the present application will be apparent from the following description of the present application with reference to the accompanying drawings, and can help to have a comprehensive understanding of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 4 shows a perspective view of the position detection module according to an exemplary embodiment of the present application, in which the moving contact is in the disconnected position not bridging the pair of detection terminals;

[0028] Figure 2 FIG. 4 shows a perspective view of the position detection module according to an exemplary embodiment of the present application, in which the moving contact is in the disconnected position not bridging the pair of detection terminals;

[0029] Figure 3 Figure 6 shows another exploded view of the position detection module according to an example embodiment of the present application;

[0030] Figure 4 Figure 7 shows a perspective view of the position detection module according to an example embodiment of the present application, wherein the movable contact is in a bridging position bridging the pair of detection terminals;

[0031] Figure 5 Figure 8 shows a cross-sectional view of the position detection module according to an example embodiment of the present application, wherein the movable contact is in a bridging position bridging the pair of detection terminals;

[0032] Figure 6 Figure 9 shows a perspective view of the drive arrangement, the locking member and the position detection module of the electronic lock according to an example embodiment of the present application, wherein the movable contact is in a disconnection position not bridging the pair of detection terminals, and the locking member is in an unlocked position;

[0033] Figure 7 Figure 10 shows a perspective view of the drive arrangement, the locking member and the position detection module of the electronic lock according to an example embodiment of the present application, wherein the movable contact is in a bridging position bridging the pair of detection terminals, and the locking member is in a locked position;

[0034] Figure 8 Figure 11 shows a perspective view of the drive arrangement and the position detection module of the electronic lock according to an example embodiment of the present application;

[0035] Figure 9 Figure 12 shows a perspective view of the electronic lock according to an example embodiment of the present application, wherein the bottom cover is removed;

[0036] Figure 10 Figure 13 shows an exploded view of the electronic lock according to an example embodiment of the present application;

[0037] Figure 11 Figure 14 shows a perspective view of the electronic lock according to an example embodiment of the present application. DETAILED DESCRIPTION

[0038] The technical solutions of the present application will be further described below in conjunction with the accompanying drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the accompanying drawings is intended to explain the general inventive concept of the present application, and should not be construed as a limitation of the present application.

[0039] Also, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to faciliate understanding of the accompanying drawings.

[0040] According to one general inventive concept of the present utility model, a position detection module is provided. The position detection module is used for detecting the position of a locking member of an electronic lock of a charging gun. The position detection module comprises: a rotating member having a slide rod deviating from its rotation axis; a moving member having a slide groove slidingly matched with the slide rod; and a movable contact fixed to the moving member. The rotating member is adapted to rotate around the rotation axis under the driving of a driving device of the electronic lock. The rotating movement of the rotating member can be converted into the linear movement of the moving member through the slide rod and the slide groove matched with each other, so as to drive the movable contact to move between a bridging position bridging a pair of detection terminals of the electronic lock and a disconnecting position not bridging the pair of detection terminals.

[0041] According to another general inventive concept of the present utility model, an electronic lock is provided. The electronic lock is used for locking a charging gun to a charging base. The electronic lock comprises: a box body; a pair of detection terminals fixed to the inner side of the box body; a driving device arranged in the box body and having a driving shaft; a locking member arranged in the box body and connected with the driving shaft, and adapted to rotate between a locking position and an unlocking position under the driving of the driving shaft; and the aforementioned position detection module arranged in the box body and having its rotating member mounted to the driving shaft to rotate synchronously with the driving shaft and the locking member. When the locking member is rotated to the locking position, the movable contact is moved to one of the bridging position and the disconnecting position; and when the locking member is rotated to the unlocking position, the movable contact is moved to the other of the bridging position and the disconnecting position.

[0042] According to another general inventive concept of the present utility model, a charging gun is provided. The charging gun comprises: a shell; a power terminal arranged in the shell and used for mating with a mating terminal of a charging base; and the aforementioned electronic lock mounted to the shell. When the charging gun is inserted into the charging base and the locking member is rotated to the locking position, the locking member is engaged with the charging base to lock the charging gun to the charging base; and when the charging gun is inserted into the charging base and the locking member is rotated to the unlocking position, the locking member is disengaged from the charging base to allow the charging gun to be pulled out of the charging base.

[0043] Figure 1shows a perspective view of the position detection module 100 according to an exemplary embodiment of the present application, wherein the movable contact 3 is in the bridging position bridging the pair of detection terminals 4; Figure 2 shows an exploded view of the position detection module 100 according to an exemplary embodiment of the present application; Figure 3 shows another exploded view of the position detection module 100 according to an exemplary embodiment of the present application; Figure 4 shows a perspective view of the position detection module 100 according to an exemplary embodiment of the present application, wherein the movable contact 3 is in the bridging position bridging the pair of detection terminals 4; Figure 5 shows a cross-sectional view of the position detection module 100 according to an exemplary embodiment of the present application, wherein the movable contact 3 is in the bridging position bridging the pair of detection terminals 4; Figure 6 shows a perspective view of the drive device 5, the locking member 6 and the position detection module 100 of the electronic lock according to an exemplary embodiment of the present application, wherein the movable contact 3 is in the disconnection position not bridging the pair of detection terminals 4, and the locking member 6 is in the unlocking position; Figure 7 shows a perspective view of the drive device 5, the locking member 6 and the position detection module 100 of the electronic lock according to an exemplary embodiment of the present application, wherein the movable contact 3 is in the bridging position bridging the pair of detection terminals 4, and the locking member 6 is in the locking position; Figure 8 shows a perspective view of the drive device 5 and the position detection module 100 of the electronic lock according to an exemplary embodiment of the present application; Figure 9 shows a perspective view of the electronic lock according to an exemplary embodiment of the present application, wherein the bottom cover 9 is removed; Figure 10 shows an exploded view of the electronic lock according to an exemplary embodiment of the present application; Figure 11 shows a perspective view of the electronic lock according to an exemplary embodiment of the present application.

[0044] As Figures 1 to 11As shown, in an exemplary embodiment of this utility model, a position detection module 100 is disclosed. This position detection module 100 is used to detect the position of the locking member 6 of the electronic lock of a charging gun. The position detection module 100 mainly includes: a rotating member 1, a moving member 2, and a moving contact 3. The rotating member 1 has a slide bar 10 offset from its axis of rotation. The moving member 2 has a groove 20 that slides with the slide bar 10. The moving contact 3 is fixed to the moving member 2. The rotating member 1 is adapted to rotate about its axis of rotation under the drive of the electronic lock's drive device 5. The rotational motion of the rotating member 1 can be converted into linear motion of the moving member 2 through the cooperating slide bar 10 and groove 20, driving the moving contact 3 to move between a bridging position (bridging a pair of detection terminals 4 of the electronic lock) and a disconnected position (not bridging a pair of detection terminals 4).

[0045] like Figures 1 to 11 As shown in the illustrated embodiment, the slide bar 10 is parallel to the rotation axis of the rotating member 1 and deviates from the rotation axis of the rotating member 1 by a predetermined distance, and the slide groove 20 extends a predetermined length in a direction perpendicular to the rotation axis of the rotating member 1.

[0046] like Figures 1 to 11 As shown in the illustrated embodiment, the moving contact 3 includes a fixed base plate 30 and a pair of contact springs 31. The fixed base plate 30 is fixed to the moving member 2. The pair of contact springs 31 are connected to the fixed base plate 30. The moving contact 3 can be a one-piece stamped part. When the moving contact 3 is in the bridging position, the pair of contact springs 31 are in electrical contact with a pair of detection terminals 4 respectively. When the moving contact 3 is in the open position, at least one of the pair of contact springs 31 is not in contact with the detection terminals 4.

[0047] like Figures 1 to 11 As shown in the illustrated embodiment, the movable member 2 is injection molded onto the fixed base plate 30 of the moving contact 3, making the movable member 2 and the moving contact 3 an integral part. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, the fixed base plate 30 of the moving contact 3 can be detachably assembled onto the movable member 2, so that the moving contact 3 can be replaced individually.

[0048] like Figures 1 to 11 As shown in the illustrated embodiment, the movable member 2 includes a block 22 and a insert plate 21. The block 22 is adapted to be movably mounted in a guide groove 82 within the housing 8 of the electronic lock, enabling linear movement along the guide groove 82. The insert plate 21 is connected to the block 22, and a slide groove 20 is formed on the insert plate 21. A slot 11 is formed on the rotating member 1, and a slide rod 10 is located in the slot 11, into which the insert plate 21 is movably inserted.

[0049] like Figures 1 to 11As shown in the illustrated embodiment, a mounting hole 12 is formed on the rotating member 1 to allow the drive shaft 51 of the drive device 5 to pass through. The rotating member 1 is adapted to be mounted on the drive shaft 51 and can rotate with the drive shaft 51.

[0050] like Figures 1 to 11 As shown, in another exemplary embodiment of this utility model, an electronic lock for locking a charging gun to a charging dock (not shown) is also disclosed. The electronic lock includes: a housing 8, a pair of detection terminals 4, a drive device 5, a locking member 6, and a position detection module 100. The pair of detection terminals 4 are fixed to the inner side of the housing 8. The drive device 5 is disposed in the housing 8 and has a drive shaft 51. The locking member 6 is disposed in the housing 8 and connected to the drive shaft 51, and is capable of rotating between a locked position and an unlocked position under the drive of the drive shaft 51. The position detection module 100 is disposed in the housing 8, and its rotating member 1 is mounted on the drive shaft 51 to rotate synchronously with the drive shaft 51 and the locking member 6. When the locking member 6 is rotated to the locked position, the moving contact 3 is moved to one of a bridging position and a disconnected position; when the locking member 6 is rotated to the unlocked position, the moving contact 3 is moved to the other of the bridging position and the disconnected position.

[0051] like Figures 1 to 11 As shown in the illustrated embodiment, when the locking member 6 is rotated to the locked position, the moving contact 3 is moved to the bridging position. When the locking member 6 is rotated to the unlocked position, the moving contact 3 is moved to the disconnected position.

[0052] However, the present invention is not limited to the embodiments shown in the figures. For example, in another exemplary embodiment of the present invention, when the locking member 6 is rotated to the locked position, the moving contact 3 is moved to the disconnected position; when the locking member 6 is rotated to the unlocked position, the moving contact 3 is moved to the bridging position.

[0053] like Figures 1 to 11 As shown in the illustrated embodiment, a slot 83 is formed on the top wall of the housing 8, and the locking member 6 has a locking portion 61 located in the slot 83 of the housing 8. When the charging gun is inserted into the charging socket and the locking member 6 is rotated to the locked position, the locking portion 61 engages with the charging socket to lock the charging gun to the charging socket (not shown). When the charging gun is inserted into the charging socket and the locking member 6 is rotated to the unlocked position, the locking portion 61 disengages from the charging socket to allow the charging gun to be pulled out of the charging socket.

[0054] like Figures 1 to 11 As shown in the illustrated embodiment, a linearly extending guide groove 82 is formed inside the housing 8, and the block 22 of the movable member 2 is movably mounted in the guide groove 82 so as to be able to move linearly along the guide groove 82.

[0055] like Figures 1 to 11As shown in the illustrated embodiment, the electronic lock further comprises a pair of connection terminals 7. The pair of connection terminals 7 are fixed to the inner side of the box body 8 and electrically connected with the driving device 5, for electrically connecting the driving device 5 to a power source.

[0056] As shown in the illustrated embodiment, the electronic lock further comprises a position detection module 2. The position detection module 2 is fixed to the inner side of the box body 8 and electrically connected with the driving device 5 and the detection terminals 4. Figures 1 to 11 As shown in the illustrated embodiment, the box body 8 is injection molded onto the pair of detection terminals 4 and the pair of connection terminals 7, so that the box body 8, the pair of detection terminals 4 and the pair of connection terminals 7 become an integral piece.

[0057] As shown in the illustrated embodiment, the detection terminals 4 have contact ends 41, the contact ends 41 of the detection terminals 4 are embedded in the side wall 81 of the box body 8, the contact ends 41 of the detection terminals 4 have contact surfaces exposed outside the side wall 81 of the box body 8 for electrically contacting the contact tabs 31 of the movable contact 3. Figures 1 to 11 As shown in the illustrated embodiment, the detection terminals 4 have first pins 42 for electrically connecting to the detection circuit, the connection terminals 7 have second pins 72 for electrically connecting to the power source, the first pins 42 and the second pins 72 extend into the interface portion 80 for electrically connecting with a connector (not shown) inserted into the interface portion 80.

[0058] Figures 1 to 11 As shown in the illustrated embodiment, the box body 8 has a pair of side walls 81 opposite in the lateral direction X thereof, the pair of detection terminals 4 are fixed to the inner side of one side wall 81 of the box body 8, the guide groove 82 extends along the height direction Z of the box body 8, the driving shaft 51 of the driving device 5 drives the rotating member 1 to rotate about a rotation axis parallel to the longitudinal direction Y of the box body 8.

[0059] As shown in the illustrated embodiment, the driving device 5 is a servo motor, the driving shaft 51 is an output shaft of the servo motor. Figures 1 to 11 As shown in the illustrated embodiment, the box body 8 has a bottom opening. The driving device 5, the position detection module and the locking member 6 are installed into the box body 8 via the bottom opening. The electronic lock further comprises a bottom cover 9 installed onto the bottom opening of the box body 8 to cover the bottom opening of the box body 8.

[0060] Figures 1 to 11 As shown in the illustrated embodiment, the box body 8 has a pair of side walls 81 opposite in the lateral direction X thereof, the pair of detection terminals 4 are fixed to the inner side of one side wall 81 of the box body 8, the guide groove 82 extends along the height direction Z of the box body 8, the driving shaft 51 of the driving device 5 drives the rotating member 1 to rotate about a rotation axis parallel to the longitudinal direction Y of the box body 8.

[0061] As shown in the illustrated embodiment, the box body 8 has a bottom opening. The driving device 5, the position detection module and the locking member 6 are installed into the box body 8 via the bottom opening. The electronic lock further comprises a bottom cover 9 installed onto the bottom opening of the box body 8 to cover the bottom opening of the box body 8. Figures 1 to 11 As shown in the illustrated embodiment, the box body 8 has a pair of side walls 81 opposite in the lateral direction X thereof, the pair of detection terminals 4 are fixed to the inner side of one side wall 81 of the box body 8, the guide groove 82 extends along the height direction Z of the box body 8, the driving shaft 51 of the driving device 5 drives the rotating member 1 to rotate about a rotation axis parallel to the longitudinal direction Y of the box body 8.

[0062] Figures 1 to 11 ​​​As shown, in another exemplary embodiment of the present application, a charging gun is also disclosed. The charging gun comprises a housing (not shown), a power terminal (not shown) and an electronic lock. The power terminal is arranged in the housing for mating with a mating terminal of a charging base. The electronic lock is mounted to the housing. When the charging gun is inserted into the charging base and the locking member 6 is turned to the locking position, the locking member 6 engages with the charging base to lock the charging gun to the charging base. When the charging gun is inserted into the charging base and the locking member 6 is turned to the unlocking position, the locking member 6 disengages from the charging base to allow the charging gun to be pulled out of the charging base.

[0063] Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements on them, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the present application.

[0064] Although the present application has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present application, and cannot be understood as a limitation of the present application.

[0065] Although some embodiments of the general concept of the present application have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present application, and the scope of the present application is defined by the claims and their equivalents.

[0066] It should be noted that the wording "comprising" does not exclude other elements or steps, and the wording "a" or "one" does not exclude a plurality. In addition, any reference signs in the claims should not be understood as limiting the scope of the present application.

Claims

1. A position detection module for detecting a position of a locking member of an electronic lock of a charging gun, characterized by, The position detection module comprises: a rotating member (1) having a slide rod (10) deviated from a rotation axis thereof; a moving member (2) having a slide groove (20) slidably matched with the slide rod (10); and a movable contact (3) fixed to the moving member (2), the rotating member (1) is adapted to rotate around the rotation axis under the driving of a driving device (5) of an electronic lock, and the rotating movement of the rotating member (1) can be converted into the linear movement of the moving member (2) through the matched slide rod (10) and slide groove (20) to drive the movable contact (3) to move between a bridging position bridging a pair of detection terminals (4) of the electronic lock and a disconnecting position not bridging the pair of detection terminals (4).

2. The position detection module according to claim 1, wherein: the slide rod (10) is parallel to the rotation axis of the rotating member (1) and is deviated from the rotation axis of the rotating member (1) by a predetermined distance, and the slide groove (20) extends along a direction perpendicular to the rotation axis of the rotating member (1) by a predetermined length.

3. The position detection module according to claim 2, wherein: the movable contact (3) comprises: a fixed base plate (30) fixed to the moving member (2); and a pair of contact springs (31) connected to the fixed base plate (30), when the movable contact (3) is located at the bridging position, the pair of contact springs (31) are respectively in electrical contact with the pair of detection terminals (4); when the movable contact (3) is located at the disconnecting position, at least one of the pair of contact springs (31) is not in contact with the detection terminal (4).

4. The position detection module according to claim 3, wherein: the moving member (2) is injection molded on the fixed base plate (30) of the movable contact (3) so that the moving member (2) and the movable contact (3) are integrated.

5. The position detection module according to claim 3, wherein: the fixed base plate (30) of the movable contact (3) is detachably assembled to the moving member (2) so that the movable contact (3) can be replaced individually.

6. The position detection module according to claim 2, wherein: the moving member (2) comprises: a block (22) adapted to be movably mounted into a guide groove (82) in a box body (8) of the electronic lock to be linearly movable along the guide groove (82); and a plug plate (21) connected to the block (22) and on which the slide groove (20) is formed, a plug groove (11) is formed on the rotating member (1), the slide rod (10) is located in the plug groove (11), and the plug plate (21) is movably inserted into the plug groove (11).

7. The position detection module according to any one of claims 1-6, wherein: a mounting hole (12) is formed on the rotating member (1) to allow a driving shaft (51) of the driving device (5) to pass through, and the rotating member (1) is adapted to be mounted on the driving shaft (51) and to rotate together with the driving shaft (51).

8. An electronic lock for locking a charging gun to a charging base, characterized in that, The electronic lock comprises: a box body (8); a pair of detection terminals (4) fixed to the inner side of the box body (8); a driving device (5) arranged in the box body (8) and having a driving shaft (51); a locking member (6) arranged in the box body (8) and connected with the driving shaft (51), and capable of rotating between a locking position and an unlocking position under the driving of the driving shaft (51); and the position detection module (100) according to any one of claims 1-7 is arranged in the box body (8) and its rotating member (1) is mounted on the driving shaft (51) to rotate synchronously with the driving shaft (51) and the locking member (6), when the locking member (6) is rotated to the locking position, the movable contact (3) is moved to one of the bridging position and the disconnecting position; when the locking member (6) is rotated to the unlocking position, the movable contact (3) is moved to the other one of the bridging position and the disconnecting position.

9. The electronic lock according to claim 8, wherein: when the locking member (6) is rotated to the locking position, the movable contact (3) is moved to the bridging position; when the locking member (6) is rotated to the unlocking position, the movable contact (3) is moved to the disconnecting position.

10. The electronic lock according to claim 8, wherein: when the locking member (6) is rotated to the locking position, the movable contact (3) is moved to the disconnecting position; when the locking member (6) is rotated to the unlocking position, the movable contact (3) is moved to the bridging position.

11. The electronic lock according to claim 8, wherein: a slot hole (83) is formed on the top wall of the box body (8), and the locking member (6) has a locking portion (61) located in the slot hole (83) of the box body (8); when the charging gun is inserted into the charging seat and the locking member (6) is rotated to the locking position, the locking portion (61) is engaged with the charging seat to lock the charging gun to the charging seat; when the charging gun is inserted into the charging seat and the locking member (6) is rotated to the unlocking position, the locking portion (61) is separated from the charging seat to allow the charging gun to be pulled out of the charging seat.

12. The electronic lock according to claim 8, wherein: a linearly extending guide groove (82) is formed in the interior of the box body (8), and the block (22) of the moving member (2) is movably mounted in the guide groove (82) to be capable of moving linearly along the guide groove (82).

13. The electronic lock of claim 8, wherein, Further comprising: a pair of connecting terminals (7) fixed to the inner side of the box body (8) and electrically connected with the driving device (5) for electrically connecting the driving device (5) to a power source.

14. The electronic lock according to claim 13, wherein: The box body (8) is injection molded on the pair of detection terminals (4) and the pair of connection terminals (7), so that the box body (8), the pair of detection terminals (4) and the pair of connection terminals (7) are integrated.

15. The electronic lock of claim 14, wherein: The detection terminal (4) has a contact end (41) embedded in the side wall (81) of the box body (8), and the contact end (41) of the detection terminal (4) has a contact surface exposed outside the side wall (81) of the box body (8) for electrically contacting the contact tab (31) of the movable contact (3).

16. The electronic lock of claim 13, wherein: The box body (8) has an interface portion (80) on the outside thereof, the detection terminal (4) has a first pin (42) for electrically connecting to a detection circuit, the connection terminal (7) has a second pin (72) for electrically connecting to a power supply, and the first pin (42) and the second pin (72) extend into the interface portion (80) for electrically connecting with a connector inserted into the interface portion (80).

17. The electronic lock of claim 12, wherein: The box body (8) has a pair of side walls (81) opposite to each other in the transverse direction (X), the pair of detection terminals (4) are fixed to the inner side of one side wall (81) of the box body (8), the guide slot (82) extends in the height direction (Z) of the box body (8), and the drive shaft (51) of the drive device (5) drives the rotation of the rotating member (1) about a rotation axis parallel to the longitudinal direction (Y) of the box body (8).

18. The electronic lock of claim 8, wherein: The drive device (5) is a servo motor, and the drive shaft (51) is an output shaft of the servo motor.

19. The electronic lock of claim 8, wherein: The box body (8) has a bottom opening, the drive device (5), the position detection module and the locking member (6) are installed into the box body (8) via the bottom opening, and the electronic lock further comprises a bottom cover (9) installed onto the bottom opening of the box body (8) to cover the bottom opening of the box body (8). Comprising:

20. A charging gun, characterized by a housing; a power terminal disposed in the housing for mating with a mating power terminal of a charging base; and the electronic lock of any one of claims 8-19, installed on the housing, when the charging gun is inserted into the charging base and the locking member (6) is rotated to the locking position, the locking member (6) engages with the charging base to lock the charging gun to the charging base; when the charging gun is inserted into the charging base and the locking member (6) is rotated to the unlocking position, the locking member (6) is separated from the charging base to allow the charging gun to be pulled out of the charging base. ​

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