Alternating current and direct current metering detector

Abstract

The utility model discloses an alternating current and direct current metering detector, which is matched with a charging gun and a charging port for use, the alternating current and direct current metering detector comprises a switching assembly, a functional assembly and a shell assembly, the switching assembly and the functional assembly are respectively and fixedly connected with the shell assembly, the shell assembly comprises a shell body and a fixed support, and the fixed support is detachably connected with the shell body. The functional assembly comprises a battery mechanism and a metering mechanism, the battery mechanism is fixed to one end of the fixing support, the other end of the fixing support is provided with the metering mechanism and a switching assembly, the metering mechanism is close to the switching assembly and electrically connected with the switching assembly, and the switching assembly comprises an input mechanism and an output mechanism which are fixedly connected with the fixing support. The input mechanism and the output mechanism are vertically arranged; according to the utility model, the input interface and the output interface are vertically arranged, so that the internal electrical connection between the input interface and the output interface of the metering gun is shortest, the metering error is reduced, and when the charging gun is charged for a long time, the self-heating degree is reduced to the greatest extent.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment measurement, in particular to an AC / DC measurement detector. Background Art

[0002] With the increasing awareness of environmental protection, the application of new energy vehicles, especially electric vehicles, is becoming more and more widespread. However, for electric vehicles, charging facilities are an indispensable part of their development. As the main charging equipment for electric vehicles, the charging gun is of great significance in terms of stability, safety and charging speed.

[0003] The charging gun is connected to the charging port of the electric vehicle through a cable to transmit electrical energy to the electric vehicle. The types of charging guns include AC charging guns and DC charging guns. The AC charging gun charges slower, while the DC charging gun charges faster.

[0004] Charging loss is inevitable, but whether it is within the allowable error range needs to be verified through metrological verification. The current metering equipment used for charging guns is inconvenient to install, and two charging guns need to be connected at both ends of the metering detector. The mechanical torque of the charging gun connected to the output end of the metering detector can easily cause damage to the charging port of the electric vehicle. The metering detector connected to the charging gun will heat up seriously when charging for a long time. Utility Model Content

[0005] In view of the above situation, it is necessary to provide an AC / DC metering and testing instrument to address the problem that the metering and testing instrument in the prior art is easy to cause damage to the car charging port and has serious self-heating.

[0006] An AC / DC metering detector is used in conjunction with a charging gun and a charging port, the AC / DC metering detector comprising an adapter component, a functional component and a shell component, the adapter component and the functional component are respectively fixed to the shell component, the shell component comprises a shell body and a fixed bracket, the fixed bracket is detachably connected to the shell body, the functional component comprises a battery mechanism and a metering mechanism, the battery mechanism is fixed to one end of the fixed bracket, the metering mechanism and the adapter component are arranged at the other end of the fixed bracket, the metering mechanism is close to the adapter component, the metering mechanism is electrically connected to the adapter component, the adapter component comprises an input mechanism and an output mechanism respectively fixed to the fixed bracket, the input mechanism and the output mechanism are arranged vertically.

[0007] The utility model only needs to connect the charging gun to the input interface during metering and testing, and the output interface is directly connected to the charging port of the electric vehicle. The input interface and the output interface are vertically arranged, so that the internal shortest electrical connection between the input interface and the output interface of the metering gun is achieved, thereby accurately measuring the output end of the charging gun, reducing the metering error, and minimizing the degree of internal self-heating when the charging gun is charged for a long time.

[0008] Furthermore, the shell assembly also includes a hand-held part, a fixing plate, an input connector seat and an output connector seat, the hand-held part is fixed on one side of the fixing plate, the other side of the fixing plate is detachably connected to the shell body, and the fixing plate is provided with a first groove and a second groove on one side facing the shell body, respectively, the input connector seat and the output connector seat are vertically arranged and are respectively connected to the fixing bracket.

[0009] Furthermore, the metering mechanism includes a metering circuit board and a coil, the metering circuit board and the input mechanism are respectively arranged on opposite sides of the coil, and the coil and the metering circuit board are respectively fixed on the fixing bracket.

[0010] Further, the input mechanism includes an input interface and an input cover, the input interface is fixed to the input connector seat, the input cover is arranged on an outer side of the input interface and is movably connected to the input interface, the output mechanism includes an output interface and an output cover, the output interface is fixed in the output connector seat, the output cover is arranged on an outer side of the output interface and is movably connected to the output interface, a wire is provided between the input interface and the output interface, two ends of the wire pass through the coil and are electrically connected to the input interface and the output interface respectively, the input interface is adapted to the charging gun, and the output interface is adapted to the charging port.

[0011] The utility model is connected to the input interface through a charging gun, and then the two ends of a wire are respectively connected to the input interface and the output interface. At the same time, the wire passes through the coil, and the output interface is connected to the charging port of the electric vehicle. When working, the current is output from the charging gun through the input interface and then through the wire through the output interface, and the coil measures the electric energy according to the current and the power-on time.

[0012] Furthermore, a hook mechanism is provided at the upper end of the fixed bracket, and the hook mechanism includes a connecting rod and a movable switch and a hook respectively connected to both ends of the connecting rod, the movable switch is provided at the upper end of the handheld part, the hook is provided at the upper end of the output connector seat, and the hook is adapted to the charging port.

[0013] The utility model drives the connecting rod to move by moving the switch, and the connecting rod drives the hook to move, and the hook is adapted to the charging port of the electric vehicle, so that the hook and the charging port of the electric vehicle are connected and fixed.

[0014] Furthermore, the battery mechanism includes a battery pack, a power indicator light, an indicator light board and a charging interface. The battery pack is fixed on the fixed bracket and is close to the coil. The indicator light board and the power indicator light are respectively fixed in the first groove and the second groove. The charging interface is arranged at the lower end of the handheld part. The coil, the metering circuit board, the indicator light board, the power indicator light and the charging interface are respectively electrically connected to the battery pack.

[0015] The utility model utilizes the charging interface to charge the battery pack. During charging, the power indicator light can display the power status. During metering detection, the battery pack provides independent electric energy for the metering detection process, thereby reducing metering errors.

[0016] Furthermore, the functional component also includes a signal interface and a display screen. The signal interface is fixed to the side of the fixing plate close to the handheld part. A third groove is provided on the side of the shell body facing the input interface. The third groove is adapted to the display screen. The signal interface and the display screen are electrically connected to the battery pack respectively.

[0017] The utility model utilizes a signal interface to perform remote control and transmit data, and a display screen displays relevant data of measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the first embodiment of the utility model;

[0019] Figure 2 This is an exploded schematic diagram of the first embodiment of the utility model;

[0020] Figure 3 It is a side view of the first embodiment of the utility model;

[0021] Figure 4 It is a top view of the first embodiment of the utility model;

[0022] Figure 5 This is a side cross-sectional view of the first embodiment of the utility model connected to an external charging port;

[0023] Figure 6 It is a top cross-sectional view of the first embodiment of the utility model connected to an external charging port. Description of the drawings:

[0025] 1. Adapter assembly; 11. Input mechanism; 111. Input interface; 112. Input cover; 12. Output mechanism; 121. Output interface; 122. Output cover; 13. Wire;

[0026] 2. Functional components; 21. Battery mechanism; 211. Battery pack; 212. Indicator light board; 213. Power indicator light; 214. Charging interface; 22. Measuring mechanism; 221. Coil; 222. Measuring circuit board; 23. Signal interface; 24. Display screen;

[0027] 3. Shell assembly; 31. Shell body; 311. Third groove; 32. Fixed bracket; 321. Input connector seat; 322. Output connector seat; 33. Fixed plate; 331. First groove; 332. Second groove; 34. Hand-held part; 35. Hook mechanism; 351. Hook; 352. Connecting rod; 353. Move switch;

[0028] 4. Charging port. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The drawings provide embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing this embodiment is to make the disclosure of the present invention more thorough and comprehensive.

[0030] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items. In addition, the various embodiments of the present invention, the features in the embodiments, and the features of the embodiments can be freely combined without obvious conflicts or contradictions.

[0032] like Figure 1 and Figure 2 As shown, an AC / DC metering detector comprises a switching component 1, a functional component 2 and a shell component 3, wherein the switching component 1 and the functional component 2 are fixedly connected to the shell component 3 respectively.

[0033] like Figures 1 to 6As shown, the adapter assembly 1 includes an input mechanism 11 and an output mechanism 12, and the input mechanism 11 and the output mechanism 12 are vertically arranged.

[0034] The input mechanism 11 includes an input interface 111 and an input cover 112. The input interface 111 is fixed to the input connector seat 321. The input cover 112 is arranged on an outer side of the input interface 111 and is movably connected to the input interface 111. The input connector seat 321 is fixed on a fixed bracket 32. The output mechanism 12 includes an output interface 121 and an output cover 122. The output interface 121 is fixed in the output connector seat 322. The input cover 122 is movably connected to a side of the input interface 121 away from the output connector seat 322. The output cover 122 is arranged on an outer side of the output interface 121 and is movably connected to the output interface 121. A wire 13 is arranged between the input interface 111 and the output interface 121. Both ends of the wire 13 pass through the coil 221 and are electrically connected to the input interface 111 and the output interface 121 respectively.

[0035] The functional component 2 includes a battery mechanism 21 and a metering mechanism 22. The battery mechanism 21 includes a battery pack 211, an indicator light board 212, a power indicator light 213 and a charging interface 214. The battery pack 211 is fixed on the fixed bracket 32 ​​and is close to the coil 221. The indicator light board 212 and the power indicator light 213 are respectively fixed to the first groove 331 and the second groove 332. The charging interface 214 is arranged at the lower end of the handheld part 34. The metering mechanism 22 includes a coil 221 and a metering circuit board 222. The coil 221 is arranged close to the input interface 111. The metering circuit board 222 is close to the coil 221 and is located on the back of the display screen 24 and is arranged on the opposite side of the input interface 111. The coil 221 and the metering circuit board 222 are respectively fixed on the fixed bracket 32. The coil 221, the metering circuit board 222, the indicator light board 212, the power indicator light 213 and the charging interface 214 are respectively electrically connected to the battery pack 211.

[0036] The functional component 2 also includes a signal interface 23 and a display screen 24. The signal interface 23 is fixed on the side of the fixed plate 33 close to the hand-held part 34, and the display screen 24 is fixed in the third groove 311. The signal interface 23 and the display screen 24 are electrically connected to the battery pack 211 respectively. The signal interface 23 is used for remote control and data transmission, and the display screen 24 displays relevant data of the measurement.

[0037] The shell assembly 3 includes a shell body 31, a fixing bracket 32, a fixing plate 33 and a hand-held part 34. The fixing bracket 32 ​​is detachably connected to the shell body 31. The hand-held part 34 is fixed to a side of the fixing plate 33 away from the shell body 31, and the other side of the fixing plate 33 faces the shell body 31 and is detachably connected. A first groove 331 and a second groove 332 are respectively provided on the side of the fixing plate 33 facing the shell body 31, and a third groove 311 is provided on the side of the shell body 31 facing the input interface 111. The input connector seat 321 and the output connector seat 322 are vertically arranged away from the battery pack 211 and fixed to the other end of the fixing bracket 32.

[0038] A hook mechanism 35 is provided at the upper end of the fixed bracket 32, and the hook mechanism 35 includes a connecting rod 352 and a movable switch 353 and a hook 351 respectively connected at both ends of the connecting rod 352. The movable switch 353 is provided at the upper end of the hand-held part 34, and the hook 351 is provided at the upper end of the output connector seat 322. The connecting rod 352 is driven to move by toggling the movable switch 353, and the connecting rod 352 drives the hook 351 to move. The hook 351 is adapted to the charging port of the electric vehicle to achieve the clamping and fixing of the hook 351 and the charging port of the electric vehicle.

[0039] When using the utility model for metering detection, it is only necessary to connect the charging gun to the input interface 111, and the output interface 121 is directly connected to the charging port of the electric vehicle. The two ends of the wire 13 are respectively connected to the input interface 111 and the output interface 121. At the same time, the wire 13 passes through the coil 221. The current is output from the charging gun through the input interface 111 and then through the wire 13 through the output interface 121. The coil 221 measures the electric energy according to the current and the power-on time. The input interface 111 and the output interface 112 are arranged vertically so that the shortest electrical connection between the input interface 111 and the output interface 112 is achieved. The shortest electrical connection between the input interface 111 and the output interface 112 can minimize the internal heating. The charging interface is used to charge the battery pack 211. During charging, the power indicator light 213 can display the power status. During metering detection, the battery pack 211 provides separate power for the metering detection process, thereby further reducing the metering error. The signal interface 23 is used for remote control and data transmission, and the display screen 24 displays the relevant metering data.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An AC / DC metering detector, used in conjunction with a charging gun and a charging port, characterized in that: The AC / DC metering detector includes a switching component, a functional component and a shell component. The switching component and the functional component are respectively fixedly connected to the shell component. The shell component includes a shell body and a fixed bracket. The fixed bracket is detachably connected to the shell body. The functional component includes a battery mechanism and a metering mechanism. The battery mechanism is fixed at one end of the fixed bracket. The metering mechanism and the switching component are arranged at the other end of the fixed bracket. The metering mechanism is close to the switching component. The metering mechanism is electrically connected to the switching component. The switching component includes an input mechanism and an output mechanism respectively fixedly connected to the fixed bracket. The input mechanism and the output mechanism are arranged vertically.

2. The AC / DC measuring and detecting instrument according to claim 1, characterized in that: The shell assembly also includes a hand-held part, a fixing plate, an input connector seat and an output connector seat, the hand-held part is fixed to one side of the fixing plate, the other side of the fixing plate is detachably connected to the shell body, the fixing plate is provided with a first groove and a second groove on one side facing the shell body, the input connector seat and the output connector seat are vertically arranged and are respectively connected to the fixing bracket.

3. The AC / DC measuring detector according to claim 2, characterized in that: The metering mechanism comprises a metering circuit board and a coil. The metering circuit board and the input mechanism are respectively arranged on opposite sides of the coil. The coil and the metering circuit board are respectively fixed on the fixing bracket.

4. The AC / DC measuring and detecting instrument according to claim 3, characterized in that: The input mechanism includes an input interface and an input cover, wherein the input interface is fixed to the input connector seat, and the input cover is arranged on an outer side of the input interface and is movably connected to the input interface; the output mechanism includes an output interface and an output cover, wherein the output interface is fixed in the output connector seat, and the output cover is arranged on an outer side of the output interface and is movably connected to the output interface; a wire is provided between the input interface and the output interface, and two ends of the wire pass through the coil and are electrically connected to the input interface and the output interface respectively; the input interface is adapted to the charging gun, and the output interface is adapted to the charging port.

5. The AC / DC measuring and detecting instrument according to claim 4, characterized in that: A hook mechanism is provided at the upper end of the fixed bracket, and the hook mechanism includes a connecting rod and a movable switch and a hook respectively connected to both ends of the connecting rod. The movable switch is provided at the upper end of the handheld part, and the hook is provided at the upper end of the output connector seat, and the hook is adapted to the charging port.

6. The AC / DC measuring and detecting instrument according to claim 4, characterized in that: The battery mechanism includes a battery pack, a power indicator light, an indicator light board and a charging interface. The battery pack is fixed on the fixing bracket and is close to the coil. The indicator light board and the power indicator light are respectively fixed in the first groove and the second groove. The charging interface is arranged at the lower end of the handheld part. The coil, the metering circuit board, the indicator light board, the power indicator light and the charging interface are respectively electrically connected to the battery pack.

7. The AC / DC metering detector according to claim 6, characterized in that: The functional component also includes a signal interface and a display screen. The signal interface is fixed to a side of a fixing plate close to the handheld part. A third groove is provided on a side of the shell body facing the input interface. The third groove is adapted to the display screen. The signal interface and the display screen are electrically connected to the battery pack respectively.

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