阅读说明：本技术 一种便携式交流充电桩计量检定装置 (Portable alternating-current charging stake metrological verification device ) 是由 鹿安 袁静 于灵 李田华 于 2021-06-24 设计创作，主要内容包括：本发明涉及充电桩技术领域,尤其涉及一种便携式交流充电桩计量检定装置,包括电能表、接线端子和连接线和安装壳,所述接线端子一侧开设有对接槽,所述接线端子底端固定连接有底板,所述安装壳顶端固定连接有线套,所述线套内壁固定连接有阻尼环,所述安装壳内部设有按压接线机构,本发明通过设置线套,可对交流充电桩的连接线进行固定,通过在安装壳内设置按压接线机构,工作人员只需要向下按压按钮即可完成接线操作,实现线芯与接线端子的紧密连接,并且连接的稳定性高,不会发生漏电现象,通过按压式接线,实现了充电桩与计量检定装置的快速连接,并且安装壳和线套对接线处提供防护作用,安全性高。(The invention relates to the technical field of charging piles, in particular to a portable alternating-current charging pile metering and calibrating device which comprises an electric energy meter, a connecting terminal, a connecting wire and a mounting shell, wherein one side of the connecting terminal is provided with a butt joint groove, the bottom end of the connecting terminal is fixedly connected with a bottom plate, the top end of the mounting shell is fixedly connected with a wire sleeve, the inner wall of the wire sleeve is fixedly connected with a damping ring, and a pressing and wiring mechanism is arranged in the mounting shell. The safety is high.)

1. The portable alternating-current charging pile metering and calibrating device comprises an electric energy meter (1), a connecting terminal (2), a connecting wire (3) and an installation shell (5), and is characterized in that the installation shell (5) is fixedly installed on the back side of the electric energy meter (1), the connecting terminal (2) is located inside the installation shell (5), a butt joint groove (201) is formed in one side of the connecting terminal (2), a bottom plate (202) is fixedly connected to the bottom end of the connecting terminal (2), the bottom end of the connecting wire (3) extends into the installation shell (5), and a wire core (301) at the bottom end of the connecting wire (3) is inserted into the butt joint groove (201);

the top end of the mounting shell (5) is fixedly connected with a wire sleeve (4), the wire sleeve (4) is sleeved on the outer side of the connecting wire (3), the inner wall of the wire sleeve (4) is fixedly connected with a damping ring (401), and the damping ring (401) is attached to the outer wall of the connecting wire (3);

the wiring device is characterized in that a pressing wiring mechanism (6) is arranged in the mounting shell (5), the pressing wiring mechanism (6) comprises a pressing plate (601) and a pushing block (604), the pushing block (604) is arranged on one side of the pressing plate (601), one side, far away from the pushing block (604), of the pressing plate (601) is fixedly connected with a pressing block (602), the pressing block (602) is arranged on one side of the wiring terminal (2), the bottom end of the pressing plate (601) is fixedly connected with a sliding sleeve (603), a push rod (605) is arranged between the pressing plate (601) and the pushing block (604), one end of the push rod (605) is hinged with the pressing plate (601), the other end of the push rod (605) is hinged with the pushing block (604), the top end of the pushing block (604) is fixedly connected with a button (606), the top end of the pushing block (604) penetrates through the inner wall of the mounting shell (5) and extends to the top of the mounting shell (5), and the button (606) is located at the top end of the mounting shell (5), button (606) bottom one side fixedly connected with bottom block (607), slot (608) have been seted up to bottom block (607) one side, installation shell (5) top one side is equipped with locking mechanical system (7) that are used for locking bottom block (607).

2. The portable alternating-current charging pile metrological verification device according to claim 1, wherein the locking mechanism (7) comprises a sliding block (701), an insertion block (702), a connecting rod (703) and a handle (704), one side of the sliding block (701) is fixedly connected with the insertion block (702), the other side of the sliding block (701) is fixedly connected with the connecting rod (703), and one end of the connecting rod (703) far away from the sliding block (701) is fixedly connected with the handle (704).

3. The metering and calibrating device for the portable alternating-current charging pile according to claim 2, wherein a butt joint hole (8) is formed in one side of the top end of the mounting shell (5), the butt joint hole (8) is located under a bottom block (607), the inner side of the butt joint hole (8) is matched with the bottom block (607), a sliding groove (9) is formed in the inner wall of one side of the butt joint hole (8), the sliding block (701) is in sliding connection with the inner side of the sliding groove (9), the insertion block (702) extends to the inside of the butt joint hole (8), the top end of the insertion block (702) is designed to be an arc surface, the insertion block (702) is movably inserted into the inner side of the insertion groove (608), one end of the connecting rod (703) extends to the outer side of the mounting shell (5), and the pull handle (704) is located on the outer side of the mounting shell (5).

4. The portable alternating-current charging pile metrological verification device according to claim 2, wherein a spring (10) is arranged inside the sliding chute (9), and the spring (10) is arranged on one side of the sliding block (701) far away from the inserting block (702).

5. The portable alternating-current charging pile metrological verification device according to claim 1, wherein a vertical guide rod (11) is fixedly connected to the inner wall of the bottom end of the mounting shell (5), the vertical guide rod (11) is located at the bottom end of the push block (604), and a guide hole matched with the vertical guide rod (11) is formed in the bottom end of the push block (604).

6. The portable alternating-current charging pile metrological verification device according to claim 1, wherein a transverse guide rod (12) is fixedly connected to the inner wall of the bottom end of the mounting shell (5), and the sliding sleeve (603) is slidably sleeved on the outer side of the transverse guide rod (12).

7. The portable alternating-current charging pile metering and calibrating device according to claim 1, wherein a line board (13) is arranged at the top of the line sleeve (4), a line hole (14) is formed in the inner side of the line board (13), the inner side of the line hole (14) is matched with the connecting line (3), and the connecting line (3) penetrates through the line hole (14).

8. The portable alternating-current charging pile metrological verification device according to claim 1, wherein sealing plates (15) are fixedly connected to two sides of the mounting shell (5).

9. The portable alternating-current charging pile metering and calibrating device according to claim 1, wherein mounting pieces (16) are fixedly connected to two sides of the electric energy meter (1), and mounting holes are formed in the mounting pieces (16).

10. The portable alternating-current charging pile metrological verification device according to claim 1, characterized in that a display screen (101) is fixedly installed on the front side of the electric energy meter (1).

Technical Field

The invention relates to the technical field of charging piles, in particular to a portable metering and calibrating device for an alternating-current charging pile.

Background

Fill electric pile, can fix on ground or wall, install in public building and residential quarter parking area or charging station, can charge for the electric automobile of various models according to the voltage class of difference. The alternating-current charging pile is fixedly installed outside the electric automobile and connected with an alternating-current power grid, a power supply device of an alternating-current power supply is provided for an automobile-mounted charger of the electric automobile, the charging speed of the alternating-current charging pile is low, the power of the alternating-current charging pile is low, and 3.3kw and 7kw are more.

Fill electric pile's metrological verification device and be used for filling the electric pile and examine and determine the charge volume of electric motor car, because alternating-current charging pile's power is less, so can use ordinary electric energy meter to install on filling the electric pile, can carry out metrological verification, however, the metrological verification device who is used for alternating-current charging pile among the prior art embeds the electric energy meter in the casing, the ubiquitous problem with fill electric pile wiring difficulty, it exposes and the electric leakage risk with the easy production of the junction of filling electric pile and metrological verification device, can cause certain potential safety hazard.

In order to solve the problems, the application provides a portable alternating-current charging pile metrological verification device.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a portable alternating-current charging pile metering and calibrating device which has the characteristics of capability of being quickly connected with an alternating-current charging pile and high safety.

Second, technical scheme

In order to solve the technical problems, the invention provides a portable alternating-current charging pile metering and calibrating device which comprises an electric energy meter, a connecting terminal, a connecting wire and a mounting shell, wherein the mounting shell is fixedly arranged on the back side of the electric energy meter;

the top end of the mounting shell is fixedly connected with a wire sleeve which is sleeved outside the connecting wire, the inner wall of the wire sleeve is fixedly connected with a damping ring, and the damping ring is attached to the outer wall of the connecting wire;

the installation shell is inside to be equipped with presses down wiring mechanism, press down wiring mechanism includes clamp plate and ejector pad, the ejector pad is established in clamp plate one side, one side fixedly connected with briquetting that the ejector pad was kept away from to the clamp plate, the briquetting is established in binding post one side, clamp plate bottom fixedly connected with sliding sleeve, be equipped with the push rod between clamp plate and the ejector pad, push rod one end is articulated with the clamp plate, the push rod other end is articulated with the ejector pad, ejector pad top fixedly connected with button, the ejector pad top runs through the inner wall of installation shell and extends to the installation shell top, the button is located the installation shell top, button bottom one side fixedly connected with bottom block, the slot has been seted up to bottom block one side, installation shell top one side is equipped with the locking mechanical system who is used for locking the bottom block.

Preferably, the locking mechanism comprises a sliding block, an insertion block, a connecting rod and a handle, one side of the sliding block is fixedly connected with the insertion block, the other side of the sliding block is fixedly connected with the connecting rod, and one end, far away from the sliding block, of the connecting rod is fixedly connected with the handle.

Preferably, a butt joint hole is formed in one side of the top end of the installation shell, the butt joint hole is located under the bottom block, the inner side of the butt joint hole is matched with the bottom block, a sliding groove is formed in the inner wall of one side of the butt joint hole, the sliding block is connected with the inner side of the sliding groove in a sliding mode, the inserting block extends into the butt joint hole, the top end of the inserting block is arranged to be an arc surface, the inserting block is movably inserted into the inner side of the inserting groove, one end of the connecting rod extends to the outer side of the installation shell, and the handle is located on the outer side of the installation shell.

Preferably, a spring is arranged inside the sliding groove and is arranged on one side, far away from the inserting block, of the sliding block.

Preferably, the inner wall of the bottom end of the mounting shell is fixedly connected with a vertical guide rod, the vertical guide rod is located at the bottom end of the push block, and a guide hole matched with the vertical guide rod is formed in the bottom end of the push block.

Preferably, the inner wall of the bottom end of the mounting shell is fixedly connected with a transverse guide rod, and the sliding sleeve is sleeved outside the transverse guide rod in a sliding manner.

Preferably, the top of the wire sleeve is provided with a wire plate, the inner side of the wire plate is provided with a wire hole, the inner side of the wire hole is matched with a connecting wire, and the connecting wire penetrates through the wire hole.

Preferably, both sides of the mounting shell are fixedly connected with sealing plates.

Preferably, the two sides of the electric energy meter are fixedly connected with mounting pieces, and mounting holes are formed in the mounting pieces.

Preferably, a display screen is fixedly mounted on the front side of the electric energy meter.

The technical scheme of the invention has the following beneficial technical effects:

1. according to the invention, the connecting wire of the alternating-current charging pile can be fixed by arranging the wire sleeve, so that slipping is prevented, the pressing wiring mechanism is arranged in the mounting shell, a worker can complete wiring operation only by pressing a button downwards, tight connection between the wire core and the wiring terminal is realized, the connection stability is high, the electric leakage phenomenon cannot occur, quick connection between the charging pile and the metering and calibrating device is realized by pressing wiring, the mounting shell and the wire sleeve provide a protection effect on the wiring part, and the safety is high.

2. The locking mechanism is arranged to lock the button, so that the whole pressing wiring mechanism can be locked, the connection stability of the charging pile and the metrological verification device is guaranteed, the disassembly is simple, the device is suitable for various types of alternating current charging piles, and the application range is wide.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the mounting housing of the present invention;

FIG. 3 is a schematic view of the overall structure of the connection terminal of the present invention;

FIG. 4 is a schematic view of the overall structure of the pressing wiring mechanism of the present invention;

FIG. 5 is a schematic view of the overall structure of the locking mechanism of the present invention;

FIG. 6 is a schematic view of the internal structure of the wire cover of the present invention;

FIG. 7 is a side cross-sectional view of the present invention;

fig. 8 is an enlarged view of the structure of fig. 7 a according to the present invention.

Reference numerals: 1. an electric energy meter; 101. a display screen; 2. a wiring terminal; 201. a butt joint groove; 202. a base plate; 3. a connecting wire; 301. a wire core; 4. a wire sleeve; 401. a damping ring; 5. mounting a shell; 6. pressing the wiring mechanism; 601. pressing a plate; 602. briquetting; 603. a sliding sleeve; 604. a push block; 605. a push rod; 606. a button; 607. a bottom block; 608. a slot; 7. a locking mechanism; 701. a slider; 702. inserting a block; 703. a connecting rod; 704. a handle; 8. a butt joint hole; 9. a chute; 10. a spring; 11. a vertical guide rod; 12. a transverse guide rod; 13. a line board; 14. a wire hole; 15. closing the plate; 16. and (7) mounting the sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, 2, 3 and 6, the portable ac charging pile metrological verification device provided by the invention comprises an electric energy meter 1, a wiring terminal 2, a connecting wire 3 and a mounting shell 5, wherein the mounting shell 5 is fixedly mounted on the back side of the electric energy meter 1, the wiring terminal 2 is located inside the mounting shell 5, a butt joint groove 201 is formed in one side of the wiring terminal 2, a bottom plate 202 is fixedly connected to the bottom end of the wiring terminal 2, the bottom end of the connecting wire 3 extends into the mounting shell 5, a wire core 301 at the bottom end of the connecting wire 3 is inserted into the butt joint groove 201, a wire sleeve 4 is fixedly connected to the top end of the mounting shell 5, the wire sleeve 4 is sleeved on the outer side of the connecting wire 3, a damping ring 401 is fixedly connected to the inner wall of the wire sleeve 4, and the damping ring 401 is attached to the outer wall of the connecting wire 3.

It should be noted that the damping ring 401 has a certain damping effect, when the connection line 3 exits from the inside of the line cover 4, the connection line 3 needs to pull the damping ring 401 to turn up, and the damping ring 401 can provide a certain resistance for the connection line 3, so that the connection line 3 can be kept fixed after being inserted into the installation shell 5.

As shown in fig. 1, 2, 4 and 7, a pressing wiring mechanism 6 is arranged inside the mounting case 5, the pressing wiring mechanism 6 includes a pressing plate 601 and a pushing block 604, the pushing block 604 is arranged on one side of the pressing plate 601, one side of the pressing plate 601 far away from the pushing block 604 is fixedly connected with a pressing block 602, the pressing block 602 is arranged on one side of the wiring terminal 2, a sliding sleeve 603 is fixedly connected with the bottom end of the pressing plate 601, a pushing rod 605 is arranged between the pressing plate 601 and the pushing block 604, one end of the pushing rod 605 is hinged to the pressing plate 601, the other end of the pushing rod 605 is hinged to the pushing block 604, the top end of the pushing block 604 is fixedly connected with a button 606, the top end of the pushing block 604 penetrates through the inner wall of the mounting case 5 and extends to the top of the mounting case 5, the button 606 is located at the top end of the mounting case 5, a bottom end of the button 606 is fixedly connected with a bottom block 607, a slot 608 is arranged on one side of the bottom block 607, and a locking mechanism 7 for locking the bottom block 607 is arranged on one side of the top end of the mounting case 5.

It should be noted that, press down, button 606 pushes push block 604 to move down, push block 604 pushes pressure plate 601 to move forward through push rod 605, press block 602 on the side wall of pressure plate 601 extrudes sinle silk 301, make sinle silk 301 closely laminate in the butt joint groove 201 of binding post 2, 5 bottom inner wall fixedly connected with vertical guide rod 11 of installation shell, vertical guide rod 11 is located the bottom of push block 604, the guiding hole that matches with vertical guide rod 11 is seted up to push block 604 bottom, set up vertical guide rod 11 and be used for improving the stability when push block 604 reciprocates, 5 bottom inner wall fixedly connected with horizontal guide rod 12 of installation shell, sliding sleeve 603 is in sliding sleeve joint in the horizontal guide rod 12 outside, drive sliding sleeve 603 lateral shifting when pressure plate 601 lateral shifting, sliding sleeve 603 slides on horizontal guide rod 12, stability when having improved pressure plate 601 lateral shifting.

As shown in fig. 1, 4, 5, 7 and 8, the locking mechanism 7 includes a sliding block 701, an insertion block 702, a connecting rod 703 and a pull 704, one side of the sliding block 701 is fixedly connected with the insertion block 702, the other side of the sliding block 701 is fixedly connected with the connecting rod 703, and one end of the connecting rod 703 far away from the sliding block 701 is fixedly connected with the pull 704.

It should be noted that, one side of the top end of the mounting case 5 is provided with a docking hole 8, the docking hole 8 is located under the bottom block 607, the inner side of the docking hole 8 is matched with the bottom block 607, the inner wall of one side of the docking hole 8 is provided with a sliding groove 9, a sliding block 701 is slidably connected with the inner side of the sliding groove 9, an insertion block 702 extends into the docking hole 8, the top end of the insertion block 702 is provided with a cambered surface, the insertion block 702 is movably inserted into the inner side of a slot 608, one end of a connecting rod 703 extends to the outer side of the mounting case 5, a handle 704 is located on the outer side of the mounting case 5, a spring 10 is arranged inside the sliding groove 9, the spring 10 is arranged on one side of the sliding block 701 far from the insertion block 702, when the button 606 is pressed down, the bottom block 607 is driven to be inserted into the docking hole 8, the bottom block 607 first pushes the insertion block 702 to be retracted into the sliding groove 9, the sliding block 701 compresses the spring 10, when the slot 608 moves to one side of the insertion block 702, the insertion block 702 is ejected into the insertion groove 608 to be inserted into the slot 608, thereby locking the bottom block 607 in the docking hole 8, thereby locking the button 606.

As shown in fig. 1, 4 tops of line cover are equipped with line board 13, line hole 14 has been seted up to line board 13 inboard, line hole 14 inboard matches with connecting wire 3, connecting wire 3 passes from line hole 14 is inside, line board 13 is used for combing connecting wire 3, prevent the winding in a jumble of connecting wire 3, the equal fixedly connected with shrouding 15 in 5 both sides of installation shell, shrouding 15 is used for sealing installation shell 5, the equal fixedly connected with installation piece 16 in 1 both sides of electric energy meter, the inside mounting hole that has seted up of installation piece 16, installation piece 16 is used for with this device fixed mounting on the base member of filling electric pile, this device is small, high durability and convenient installation has certain portability.

As shown in fig. 7, a display screen 101 is fixedly installed on the front side of the electric energy meter 1, and the display screen 101 is used for displaying the metrological verification data of the electric quantity.

The working principle of the invention is as follows: the metrological verification device is used for being installed on an alternating-current charging pile, the electric energy meter 1 is used for metrological verification of the charged electric quantity, when the electric energy meter is connected with the alternating-current charging pile, a connecting wire 3 of the charging pile is inserted into a mounting shell 5 along a wire sleeve 4, a damping ring 401 is arranged inside the wire sleeve 4, the damping ring 401 has a certain damping effect, when the connecting wire 3 is withdrawn from the wire sleeve 4, the connecting wire 3 needs to be pulled to be upwards rolled, so that the damping ring 401 can bring certain resistance to the connecting wire 3, the connecting wire 3 can be kept fixed after being inserted into the mounting shell 5, a butt joint groove 201 is arranged in a connecting terminal 2 of the electric energy meter 1, the wire core 301 can be inserted into the butt joint groove 201 along the wire sleeve 4 to be connected with a connecting terminal 2, after the wire core 301 of each connecting wire 3 is sequentially butted with the butt joint groove 201, a pressing wiring mechanism 6 is arranged in the mounting shell 5, the worker only needs to press the button 606 downwards to complete the wiring operation, the button 606 pushes the push block 604 to move downwards, the push block 604 pushes the press plate 601 to move forwards through the push rod 605, the press block 602 on the side wall of the press plate 601 extrudes the wire core 301, so that the wire core 301 is tightly attached to the butt joint groove 201 of the wiring terminal 2, the tight connection between the wire core 301 and the wiring terminal 2 is completed, the connection stability is high, the electric leakage phenomenon cannot occur, through the press type wiring, the quick connection between the charging pile and the metering verification device is realized, the mounting shell 5 and the wire sleeve 4 provide a protection effect on the wiring position, the safety is high, when the button 606 is pressed downwards, the bottom block 607 is driven to be inserted into the butt joint hole 8, the bottom block 607 firstly pushes the plug block 702 to be contracted towards the inside of the chute 9, the spring 10 is compressed by the sliding block 701, when the slot 608 moves to one side of the plug block 702, the plug block 702 is ejected out and inserted into the slot 608, therefore, the bottom block 607 is locked in the butt joint hole 8, the button 606 is locked, when unlocking is conducted, only the pull 704 needs to be pulled, the pull 704 drives the insert block 702 to leave from the inside of the slot 608 through the connecting rod 703, unlocking of the bottom block 607 can be completed, the button 606 can be unlocked, the button 606 moves upwards, and the press block 602 can leave from one side of the wire core 301.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.