Position detection module, electronic lock and charging gun

Abstract

A position detection module 100 used for detecting the position of a locking member of an electronic lock of a charging gun, the position detection module comprises: a rotatable component 1 with a sl

Description

CROSS-REFERENCE TO RELATED APPLICATION This application claims the benefit of Chinese Patent Application No. CN202510430849.0 filed on April 8, 2025 in the State Intellectual Property Office of China, the whole disclosure of which is incorporated herein by reference. BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a position detection module for detecting the position of a locking member of an electronic lock of a charging gun. In addition, the present invention also relates to an electronic lock comprising the position detection module and a charging gun comprising the electronic lock. Description of the Related Art In the prior art, when the charging gun is plugged into the charging dock, in order to prevent accidental separation of the charging gun and the charging dock, an electronic lock for locking the charging gun to the charging dock needs to be installed on the charging gun. Usually, 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 dock to lock the charging gun to the charging dock. When the electronic lock is moved to the unlocking position, the locking member separates from the charging dock to allow the charging gun to be removed from the charging dock. In the prior art, the electronic lock is equipped with micro switches for detecting the position of the locking member. However, the cost of micro switches is relatively high, and a circuit board for installing micro switches is also required. In addition, micro switches have a large volume and short lifespan, which seriously affects the performance of the entire electronic lock. SUMMARY OF THE INVENTION The present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages. According to an aspect of the present invention, there is provided a position detection module for detecting the position of a locking member of an electronic lock of a charging gun. The position detection module comprises: a rotatable component with a sliding rod that deviates from its rotation axis; a movable component which has a sliding slot that is slidably mated with the sliding rod; and a movable contact which is fixed to the movable component. The rotatable component is adapted to rotate around the rotation axis under the drive of a driving device of the electronic lock, and the rotational motion of the rotatable component can be converted into linear motion of the movable component through the sliding rod and sliding slot, to drive the movable contact to move between a bridging position of bridging a pair of detection terminals of the electronic lock and a disconnection position of not bridging the pair of detection terminals. According to an exemplary embodiment of the present invention, the sliding rod is parallel to the rotation axis of the rotatable component and deviates from the rotation axis of the rotatable component by a predetermined distance, and the sliding slot extends a predetermined length in a direction perpendicular to the rotation axis of the rotatable component. According to another exemplary embodiment of the present invention, the movable contact comprises: a fixation substrate which is fixed to the movable component; and a pair of contact spring pieces connected to the fixation substrate. When the movable contact is in the bridging position, the pair of contact spring pieces are in electrical contact with the pair of detection terminals respectively; when the movable contact is in the disconnection position, at least one of the pair of contact spring pieces is not in contact with the detection terminal. According to another exemplary embodiment of the present invention, the movable component is injection molded onto the fixation substrate of the movable contact, so that the movable component and the movable contact become an integrated piece. According to another exemplary embodiment of the present invention, the fixation substrate of the movable contact is detachably assembled onto the movable component. This allows the movable contact to be replaced separately. According to another exemplary embodiment of the present invention, the movable component comprises: a block body which is adapted to be movably installed into a guide groove inside a box body of the electronic lock, so as to be able to move linearly along the guide groove; and an insertion plate connected to the block body. The sliding slot is formed on the insertion plate, an insertion slot is formed on the rotatable component, and the sliding rod is located in the insertion slot, the insertion plate is inserted into the insertion slot in a movable manner. According to another exemplary embodiment of the present invention, a mounting hole is formed in the rotatable component to allow a driving shaft of the driving device to pass through, and the rotatable component is adapted to be mounted on the driving shaft and can rotate together with the driving shaft. According to another aspect of the present invention, there is provided an electronic lock for locking a charging gun to a charging dock. The electronic lock comprises: a box body; a pair of detection terminals which are fixed to the inner side of the box body; a driving device which is installed in the box body and has a driving shaft; a locking member which is installed in the box body and connected to the drive shaft, which can rotate between a locking position and an unlocking position under the drive of the drive shaft; and the above position detection module provided in the box body and its rotatable component is installed on 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 disconnection position; when the locking member is rotated to the unlocking position, the movable contact is moved to the other of the bridging position and the disconnection position. According to an exemplary embodiment of the present invention, when the locking member is rotated to the locking position, the movable contact is moved to the bridging position; when the locking member is rotated to the unlocking position, the movable contact is moved to the disconnection position. According to another exemplary embodiment of the present invention, when the locking member is rotated to the locking position, the movable contact is moved to the disconnection position; when the locking member is rotated to the unlocking position, the movable contact is moved to the bridging position. According to another exemplary embodiment of the present invention, a slot hole is formed in a or the top wall of the box body, and the locking member has a locking part located in the slot hole of the box body; when the charging gun is inserted into the charging dock and the locking member is rotated to the locking position, the locking part engages with the charging dock to lock the charging gun to the charging dock; when the charging gun is inserted into the charging dock and the locking member is rotated to the unlocking position, the locking part separates from the charging dock to allow the charging gun to be pulled out from the charging dock. According to another exemplary embodiment of the present invention, a guide groove extending in a straight line is formed inside the box body, and the block body of the movable component is movably installed in the guide groove so as to be movable in a straight line along the guide groove. According to another exemplary embodiment of the present invention, the electronic lock further comprises a pair of connection terminals which are fixed to the inner side of the box body and electrically connected to the driving device, for electrically connecting the driving device to a power source. According to another exemplary embodiment of the present invention, the box body is injection molded onto the pair of detection terminals and the pair of connection terminals, so that the box body, the pair of detection terminals, and the pair of connection terminals become an integrated piece. According to another exemplary embodiment of the present invention, the detection terminal has a contact end, which is embedded in the side wall of the box body, the contact end of the detection terminal has a contact surface exposed from a or the side wall of the box body for electrical contact with the contact spring piece of the movable contact. According to another exemplary embodiment of the present invention, the box body has an interface part located outside it, the detection terminal has a first pin for electrical connection to a detection circuit, and the connection terminal has a second pin for electrical connection to the power source, the first pin and the second pin extend into the interface part for electrical connection with a connector inserted into the interface part. According to another exemplary embodiment of the present invention, the box body has a pair of opposite side walls in its transverse direction, the pair of detection terminals are fixed to the inner side of one side wall of the box body, the guide groove extends along the height direction of the box body, and the driving shaft of the driving device drives the rotatable component to rotate around a rotation axis parallel to the longitudinal direction of the box body. According to another exemplary embodiment of the present invention, the driving device is a servo motor, and the driving shaft is the output shaft of the servo motor. According to another exemplary embodiment of the present invention, 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. According to another aspect of the present invention, there is provided a charging gun. The charging gun comprises: a housing; a power terminal which is set in the housing for mating with a mating terminal of a charging dock; and the above electronic lock installed on the housing. When the charging gun is inserted into the charging dock and the locking member is rotated to the locking position, the locking member engages with the charging dock to lock the charging gun to the charging dock; when the charging gun is inserted into the charging dock and the locking member is rotated to the unlocking position, the locking member separates from the charging dock to allow the charging gun to be pulled out of the charging dock. In the aforementioned exemplary embodiments according to the present invention, the use of movable contacts installed in the movable block instead of traditional micro switches simplifies the structure of the position detection module and reduces costs. In addition, in the aforementioned exemplary embodiments according to the present invention, the movable contact has a small volume and is wear-resistant. Therefore, the present invention can also reduce the volume of the electronic lock and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which: Figure 1 shows an illustrative perspective view of a position detection module according to an exemplary embodiment of the present invention, in which the movable contact is in a disconnection position without bridging a pair of detection terminals; Figure 2 shows an illustrative exploded view of a position detection module according to an exemplary embodiment of the present invention; Figure 3 shows another illustrative exploded view of the position detection module according to an exemplary embodiment of the present invention; Figure 4 shows an illustrative perspective view of a position detection module according to an exemplary embodiment of the present invention, in which the movable contact is in a bridging position bridging a pair of detection terminals; Figure 5 shows a cross-sectional view of a position detection module according to an exemplary embodiment of the present invention, wherein the movable contact is in a bridging position bridging a pair of detection terminals; Figure 6 shows an illustrative perspective view of the driving device, locking member, and position detection module of an electronic lock according to an exemplary embodiment of the present invention, wherein the movable contact is in a disconnection position without bridging a pair of detection terminals, and the locking member is in an unlocking position; Figure 7 shows an illustrative perspective view of the driving device, locking member, and position detection module of an electronic lock according to an exemplary embodiment of the present invention, wherein the movable contact is in a bridging position bridging a pair of detection terminals, and the locking member is in a locking position; Figure 8 shows an illustrative perspective view of the driving device and position detection module of an electronic lock according to an exemplary embodiment of the present invention; Figure 9 shows an illustrative perspective view of an electronic lock according to an exemplary embodiment of the present invention, with the bottom cover removed; Figure 10 shows an illustrative exploded view of an electronic lock according to an exemplary embodiment of the present invention; and Figure 11 shows an illustrative perspective view of an electronic lock according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION Exemplary embodiments of the present disclosure will be described hereinafter in detail with reference to the attached drawings, wherein the like reference numerals refer to the like elements. The present disclosure may, however, be embodied in many different forms and should not be construed as being limited to the embodiment set forth herein; rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawing. According to a general concept of the present invention, there is provided a position detection module for detecting the position of a locking member of an electronic lock of a charging gun. The position detection module comprises: a rotatable component with a sliding rod that deviates from its rotation axis; a movable component which has a sliding slot that is slidably mated with the sliding rod; and a movable contact which is fixed to the movable component. The rotatable component is adapted to rotate around the rotation axis under the drive of a driving device of the electronic lock, and the rotational motion of the rotatable component can be converted into linear motion of the movable component through the sliding rod and sliding slot, to drive the movable contact to move between a bridging position of bridging a pair of detection terminals of the electronic lock and a disconnection position of not bridging the pair of detection terminals. According to another general concept of the present invention, there is provided an electronic lock for locking a charging gun to a charging dock. The electronic lock comprises: a box body; a pair of detection terminals which are fixed to the inner side of the box body; a driving device which is installed in the box body and has a driving shaft; a locking member which is installed in the box body and connected to the drive shaft, which can rotate between a locking position and an unlocking position under the drive of the drive shaft; and the above position detection module provided in the box body and its rotatable component is installed on 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 disconnection position; when the locking member is rotated to the unlocking position, the movable contact is moved to the other of the bridging position and the disconnection position. According to another general concept of the present invention, there is provided a charging gun. The charging gun comprises: a housing; a power terminal which is set in the housing for mating with a mating terminal of a charging dock; and the above electronic lock installed on the housing. When the charging gun is inserted into the charging dock and the locking member is rotated to the locking position, the locking member engages with the charging dock to lock the charging gun to the charging dock; when the charging gun is inserted into the charging dock and the locking member is rotated to the unlocking position, the locking member separates from the charging dock to allow the charging gun to be pulled out of the charging dock. Figure 1 shows an illustrative perspective view of a position detection module 100 according to an exemplary embodiment of the present invention, in which the movable contact 3 is in a disconnection position without bridging a pair of detection terminals 4; Figure 2 shows an illustrative exploded view of the position detection module 100 according to an exemplary embodiment of the present invention; Figure 3 shows another illustrative exploded view of the position detection module 100 according to an exemplary embodiment of the present invention; Figure 4 shows an illustrative perspective view of a position detection module 100 according to an exemplary embodiment of the present invention, in which the movable contact 3 is in a bridging position bridging a pair of detection terminals 4; Figure 5 shows a cross-sectional view of a position detection module 100 according to an exemplary embodiment of the present invention, wherein the movable contact 3 is in a bridging position bridging a pair of detection terminals 4; Figure 6 shows an illustrative perspective view of the driving device 5, locking member 6, and position detection module 100 of an electronic lock according to an exemplary embodiment of the present invention, where the movable contact 3 is in the disconnection position without bridging a pair of detection terminals 4, and the locking member 6 is in the unlocking position; Figure 7 shows an illustrative perspective view of the driving device 5, locking member 6, and position detection module 100 of an electronic lock according to an exemplary embodiment of the present invention, wherein the movable contact 3 is in the bridging position bridging a pair of detection terminals 4, and the locking member 6 is in the locking position; Figure 8 shows an illustrative perspective view of the driving device 5 and position detection module 100 of an electronic lock according to an exemplary embodiment of the present invention; Figure 9 shows an illustrative perspective view of an electronic lock according to an exemplary embodiment of the present invention, with the bottom cover 9 removed; Figure 10 shows an illustrative exploded view of an electronic lock according to an exemplary embodiment of the present invention; and Figure 11 shows an illustrative perspective view of an electronic lock according to an exemplary embodiment of the present invention. As shown in Figures 1 to 11, in an exemplary embodiment of the present invention, a position detection module 100 is disclosed. The position detection module 100 is used to detect the position of a locking member 6 of an electronic lock of a charging gun. The position detection module 100 mainly includes: a rotatable component 1, a movable component 2, and a movable contact 3. The rotatable component 1 has a sliding rod 10 that deviates from its rotation axis. The movable component 2 has a sliding slot 20 that is slidably mated with the sliding rod 10. The movable contact 3 is fixed to the movable component 2. The rotatable component 1 is suitable for rotating around its rotational axis under the drive of the driving device 5 of the electronic lock. The rotational motion of the rotatable component 1 can be converted into linear motion of the movable component 2 through the sliding rod 10 and sliding slot 20, to drive the movable contact 3 to move between a bridging position of bridging the pair of detection terminals 4 of the electronic lock and a disconnection position of not bridging the pair of detection terminals 4. As shown in Figures 1 to 11, in the illustrated embodiment, the sliding rod 10 is parallel to the rotation axis of the rotatable component 1 and deviates from the rotation axis of the rotatable component 1 by a predetermined distance, and the sliding slot 20 extends a predetermined length in a direction perpendicular to the rotation axis of the rotatable component 1. As shown in Figures 1 to 11, in the illustrated embodiment, the movable contact 3 includes a fixation substrate 30 and a pair of contact spring pieces 31. The fixation substrate 30 is fixed to the movable component 2. A pair of contact spring pieces 31 are connected to the fixation substrate 30. The movable contact 3 can be an integral stamped part. When the movable contact 3 is in the bridging position, a pair of contact spring pieces 31 are in electrical contact with a pair of detection terminals 4, respectively. When the movable contact 3 is in the disconnection position, at least one of the pair of contact spring pieces 31 is not in contact with the detection terminal 4. As shown in Figures 1 to 11, in the illustrated embodiment, the movable component 2 is injection molded onto the fixation substrate 30 of the movable contact 3, so that the movable component 2 and the movable contact 3 become an integrated piece. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, the fixation substrate 30 of the movable contact 3 can be detachably assembled onto the movable component 2, allowing the movable contact 3 to be replaced separately. As shown in Figures 1 to 11, in the illustrated embodiment, the movable component 2 includes a block body 22 and an insertion plate 21. The block body 22 is suitable for movable installation into the guide groove 82 inside the box body 8 of the electronic lock, so as to be able to move linearly along the guide groove 82. The insertion plate 21 is connected to the block body 22, the sliding slot 20 is formed on the insertion plate 21. An insertion slot 11 is formed on the rotatable component 1, and the sliding rod 10 is located in the insertion slot 11. The insertion plate 21 is inserted into the insertion slot 11 in a movable manner. As shown in Figures 1 to 11, in the illustrated embodiment, a mounting hole 12 is formed in the rotatable component 1 to allow the driving shaft 51 of the driving device 5 to pass through. The rotatable component 1 is adapted to be mounted on the driving shaft 51 and can rotate together with the driving shaft 51. As shown in Figures 1 to 11, in another exemplary embodiment of the present invention, an electronic lock for locking a charging gun to a charging dock (not shown) is also disclosed. The electronic lock includes: a box body 8, a pair of detection terminals 4, a driving device 5, a locking member 6, and the above position detection module 100. The pair of detection terminals 4 are fixed to the inside of the box body 8. The driving device 5 is arranged in the box body 8 and has a driving shaft 51. The locking member 6 is set in the box body 8 and connected to the drive shaft 51, which can be rotated between a locking position and an unlocking position under the drive of the drive shaft 51. The position detection module 100 is installed in the box body 8 and its rotatable component 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 locking position, the movable contact 3 is moved to one of the bridging position and the disconnection position. When the locking member 6 is rotated to the unlocking position, the movable contact 3 is moved to the other of the bridging position and the disconnection position. As shown in Figures 1 to 11, in the illustrated embodiment, 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 disconnection position. However, the present invention is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the present invention, when the locking member 6 is rotated to the locking position, the movable contact 3 is moved to the disconnection position; When the locking member 6 is rotated to the unlocking position, the movable contact 3 is moved to the bridging position. As shown in Figures 1 to 11, in the illustrated embodiment, a slot hole 83 is formed in the top wall of the box body 8, and the locking member 6 has a locking part 61 located in the slot hole 83 of the box body 8. When the charging gun is inserted into the charging dock and the locking member 6 is rotated to the locking position, the locking part 61 engages with the charging dock to lock the charging gun to the charging dock (not shown). When the charging gun is inserted into the charging dock and the locking member 6 is rotated to the unlocking position, the locking part 61 separates from the charging dock to allow the charging gun to be pulled out of the charging dock. As shown in Figures 1 to 11, in the illustrated embodiment, a linearly extending guide groove 82 is formed inside the box body 8, and the block body 22 of the movable component 2 is mounted in the guide groove 82 so as to be movable in a straight line along the guide groove 82. As shown in Figures 1 to 11, in the illustrated embodiment, the electronic lock also includes a pair of connection terminals 7. The pair of connection terminals 7 are fixed to the inside of the box body 8 and electrically connected to the driving device 5, used to electrically connect the driving device 5 to a power source. As shown in Figures 1 to 11, in the illustrated embodiment, the box body 8 is injection molded onto a pair of detection terminals 4 and a 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 integrated piece. As shown in Figures 1 to 11, in the illustrated embodiment, the detection terminal 4 has a contact end 41, which is embedded in the side wall 81 of the box body 8. The contact end 41 of the detection terminal 4 has a contact surface exposed from the side wall 81 of the box body 8 for electrical contact with the contact spring piece 31 of the movable contact 3. As shown in Figures 1 to 11, in the illustrated embodiment, the box body 8 has an interface part 80 located outside it, the detection terminal 4 has a first pin 42 for electrical connection to a detection circuit, and the connection terminal 7 has a second pin 72 for electrical connection to the power source. The first pin 42 and the second pin 72 extend into the interface part 80 for electrical connection with a connector (not shown) inserted into the interface part 80. As shown in Figures 1 to 11, in the illustrated embodiment, the box body 8 has a pair of opposite side walls 81 in its transverse direction X. A pair of detection terminals 4 are fixed to the inner side of one side wall 81 of the box body 8, and a 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 rotatable component 1 to rotate around a rotation axis parallel to the longitudinal direction Y of the box body 8. As shown in Figures 1 to 11, in the illustrated embodiment, the driving device 5 is a servo motor, and the driving shaft 51 is the output shaft of the servo motor. As shown in Figures 1 to 11, in the illustrated embodiment, the box body 8 has a bottom opening. The driving device 5, position detection module, and locking member 6 are installed into the box body 8 through the bottom opening. The electronic lock also includes a bottom cover 9, which is installed on the bottom opening of the box body 8 to cover the bottom opening of the box body 8. As shown in Figures 1 to 11, in another exemplary embodiment of the present invention, a charging gun is also disclosed. The charging gun includes a housing (not shown), a power terminal (not shown), and the or an electronic lock. The power terminal is set in the housing for mating with a mating terminal of a charging dock. The electronic lock is mounted onto the housing. When the charging gun is inserted into the charging dock and the locking member 6 is rotated to the locking position, the locking member 6 engages with the charging dock to lock the charging gun to the charging dock. When the charging gun is inserted into the charging dock and the locking member 6 is rotated to the unlocking position, the locking member 6 separates from the charging dock to allow the charging gun to be removed from the charging dock. It should be appreciated for those skilled in this art that the above embodiments are intended to be illustrated, and not restrictive. For example, many modifications may be made to the above embodiments by those skilled in this art, and various features described in different embodiments may be freely combined with each other without conflicting in configuration or principle. Although several exemplary embodiments have been shown and described, it would be appreciated by those skilled in the art that various changes or modifications may be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents. As used herein, an element recited in the singular and proceeded with the word "a" or "an" should be understood as not excluding plural of said elements or steps, unless such exclusion is explicitly stated. Furthermore, references to "one embodiment" of the present invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Moreover, unless explicitly stated to the contrary, embodiments "comprising" or "having" an element or a plurality of elements having a particular property may include additional such elements not having that property.

Claims

1. A position detection module for detecting the position of a locking member of an electronic lock of a charging gun, wherein the position detection module comprises:a rotatable component (1) with a sliding rod (10) that deviates from its rotation axis;a movable component (2) which has a sliding slot (20) that is slidably mated with the sliding rod (10); anda movable contact (3) which is fixed to the movable component (2),wherein the rotatable component (1) is adapted to rotate around the rotation axis under the drive of a driving device (5) of the electronic lock, and the rotational motion of the rotatable component (1) can be converted into linear motion of the movable component (2) through the sliding rod (10) and sliding slot (20), to drive the movable contact (3) to move between a bridging position of bridging a pair of detection terminals (4) of the electronic lock and a disconnection position of not bridging the pair of detection terminals (4).

2. The position detection module according to claim 1,wherein the sliding rod (10) is parallel to the rotation axis of the rotatable component (1) and deviates from the rotation axis of the rotatable component (1) by a predetermined distance, and the sliding slot (20) extends a predetermined length in a direction perpendicular to the rotation axis of the rotatable component (1).

3. The position detection module according to claim 2,wherein the movable contact (3) comprises:a fixation substrate (30) which is fixed to the movable component (2); anda pair of contact spring pieces (31) connected to the fixation substrate (30),wherein when the movable contact (3) is in the bridging position, the pair of contact spring pieces (31) are in electrical contact with the pair of detection terminals (4) respectively;wherein when the movable contact (3) is in the disconnection position, at least one of the pair of contact spring pieces (31) is not in contact with the detection terminal (4).

4. The position detection module according to claim 3,wherein the movable component (2) is injection molded onto the fixation substrate (30) of the movable contact (3), so that the movable component (2) and the movable contact (3) become an integrated piece.

5. The position detection module according to claim 3,wherein the fixation substrate (30) of the movable contact (3) is detachably assembled onto the movable component (2), allowing the movable contact (3) to be replaced separately.

6. The position detection module according to any one of claims 2 to 5,wherein the movable component (2) comprises:a block body (22) which is adapted to be movably installed into a guide groove (82) inside a box body (8) of the electronic lock, so as to be able to move linearly along the guide groove (82); andan insertion plate (21) connected to the block body (22),wherein the sliding slot (20) is formed on the insertion plate (21), an insertion slot (11) is formed on the rotatable component (1), and the sliding rod (10) is located in the insertion slot (11), the insertion plate (21) is inserted into the insertion slot (11) in a movable manner.

7. The position detection module according to any preceding claim,wherein a mounting hole (12) is formed in the rotatable component (1) to allow a driving shaft (51) of the driving device (5) to pass through, and the rotatable component (1) is adapted to be mounted on the driving shaft (51) and can rotate together with the driving shaft (51).

8. An electronic lock for locking a charging gun to a charging dock, wherein the electronic lock comprises:a box body (8);a pair of detection terminals (4) which are fixed to the inner side of the box body (8);a driving device (5) which is installed in the box body (8) and has a driving shaft (51);a locking member (6) which is installed in the box body (8) and connected to the drive shaft (51), which can rotate between a locking position and an unlocking position under the drive of the drive shaft (51); andthe position detection module (100) according to any preceding claim, provided in the box body (8) and its rotatable component (1) is installed on the driving shaft (51) to rotate synchronously with the driving shaft (51) and the locking member (6),wherein 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 disconnection position;wherein when the locking member (6) is rotated to the unlocking position, the movable contact (3) is moved to the other of the bridging position and the disconnection 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;wherein when the locking member (6) is rotated to the unlocking position, the movable contact (3) is moved to the disconnection 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 disconnection position;wherein 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, 9 or 10,wherein a slot hole (83) is formed in the top wall of the box body (8), and the locking member (6) has a locking part (61) located in the slot hole (83) of the box body (8);wherein when the charging gun is inserted into the charging dock and the locking member (6) is rotated to the locking position, the locking part (61) engages with the charging dock to lock the charging gun to the charging dock;wherein when the charging gun is inserted into the charging dock and the locking member (6) is rotated to the unlocking position, the locking part (61) separates from the charging dock to allow the charging gun to be pulled out from the charging dock.

12. The electronic lock according to any one of claims 8 to 11,wherein a guide groove (82) extending in a straight line is formed inside the box body (8), and the block body (22) of the movable component (2) is movably installed in the guide groove (82) so as to be movable in a straight line along the guide groove (82).

13. The electronic lock according to any one of claims 8 to 12, further comprising:a pair of connection terminals (7) which are fixed to the inner side of the box body (8) and electrically connected to 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 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 integrated piece.

15. The electronic lock according to claim 14,wherein the detection terminal (4) has a contact end (41), which is embedded in the side wall (81) of the box body (8), the contact end (41) of the detection terminal (4) has a contact surface exposed from the side wall (81) of the box body (8) for electrical contact with the contact spring piece (31) of the movable contact (3).

16. The electronic lock according to claim 13, 14 or 15,wherein the box body (8) has an interface part (80) located outside it, the detection terminal (4) has a first pin (42) for electrical connection to a detection circuit, and the connection terminal (7) has a second pin (72) for electrical connection to the power source, the first pin (42) and the second pin (72) extend into the interface part (80) for electrical connection with a connector inserted into the interface part (80).

17. The electronic lock according to claim 12,wherein the box body (8) has a pair of opposite side walls (81) in its 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 groove (82) extends along the height direction (Z) of the box body (8), and the driving shaft (51) of the driving device (5) drives the rotatable component (1) to rotate around a rotation axis parallel to the longitudinal direction (Y) of the box body (8).

18. The electronic lock according to any one of claims 8 to 17,wherein the driving device (5) is a servo motor, and the driving shaft (51) is the output shaft of the servo motor.

19. The electronic lock according to any one of claims 8 to 18,wherein the box body (8) has a bottom opening, and the driving device (5), the position detection module, and the locking member (6) are installed into the box body (8) through the bottom opening;wherein the electronic lock further comprises a bottom cover (9) installed on the bottom opening of the box body (8) to cover the bottom opening of the box body (8).

20. A charging gun, comprising:a housing;a power terminal which is set in the housing for mating with a mating terminal of a charging dock; andthe electronic lock according to any one of claims 8 to 19, installed on the housing,wherein when the charging gun is inserted into the charging dock and the locking member (6) is rotated to the locking position, the locking member (6) engages with the charging dock to lock the charging gun to the charging dock;wherein when the charging gun is inserted into the charging dock and the locking member (6) is rotated to the unlocking position, the locking member (6) separates from the charging dock to allow the charging gun to be pulled out of the charging dock.A

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