CN219695651U - A function tester for the controller of a subway electric bus - Google Patents
A function tester for the controller of a subway electric bus Download PDFInfo
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- CN219695651U CN219695651U CN202321154976.5U CN202321154976U CN219695651U CN 219695651 U CN219695651 U CN 219695651U CN 202321154976 U CN202321154976 U CN 202321154976U CN 219695651 U CN219695651 U CN 219695651U
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Abstract
本实用新型提供了一种地铁电客车司控器功能检测仪,涉及司控器技术领域,包括防护壳,所述防护壳顶部安装有封闭盖,所述防护壳内部固定安装有司控器检测仪主体,所述司控器检测仪主体顶部设置有传输线缆,所述封闭盖内部固定连接有网布袋。本设计解决了现有技术下的不足,采用箱体式设计,司控器检测仪主体位于箱体式的结构内,从而对司控器检测仪起到了良好的保护作用,且使用者可通过把手能够将整体结构拎起,便于对司控器检测仪的移动和搬运,除此之外,防尘组件的过滤网能够有效避免外界环境中的灰尘穿过散热孔进入司控器检测仪主体内部,防止灰尘对司控器检测仪主体造成污染,魔术贴粘连的设计也方便了对过滤网的拆卸清洗。
The utility model provides a subway electric bus driver controller function detector, which relates to the technical field of driver controllers and includes a protective shell. A closing cover is installed on the top of the protective shell, and a driver controller detector is fixedly installed inside the protective shell. Main body, the top of the main body of the controller detector is provided with a transmission cable, and a mesh bag is fixedly connected inside the closing cover. This design solves the shortcomings of the existing technology and adopts a box-type design. The main body of the controller detector is located in the box-type structure, thus playing a good protective role for the controller detector, and the user can pass The handle can lift the entire structure to facilitate the movement and transportation of the controller detector. In addition, the filter of the dust-proof component can effectively prevent dust in the external environment from entering the main body of the controller detector through the heat dissipation holes. Internally, it prevents dust from contaminating the main body of the controller detector. The Velcro adhesive design also facilitates the removal and cleaning of the filter.
Description
技术领域Technical field
本实用新型涉及司控器技术领域,尤其涉及一种地铁电客车司控器功能检测仪。The utility model relates to the technical field of a driver controller, and in particular to a function detector for a subway electric bus driver controller.
背景技术Background technique
司控器是地铁等轨道交通的控制设备,作为机车换向、调速的主令电器,是司机用来操纵机车的一种手动电器,它主要用来控制机车的换向和调速,进而控制机车的运行方向、功率、牵引力及速度等,在地铁运行前,司机需使用司控器功能检测仪对司控器的各项数据和性能进行检测。The driver controller is a control device for rail transit such as subways. As the main electrical appliance for locomotive reversing and speed regulation, it is a manual electrical appliance used by the driver to control the locomotive. It is mainly used to control the reversing and speed regulation of the locomotive, and then To control the running direction, power, traction and speed of the locomotive, the driver needs to use the controller function tester to test the data and performance of the controller before running on the subway.
现有技术的不足之处:现有技术下,司控器检测仪在对司控器进行检测时,需将传输线缆一端插入司控器检测仪上的接口,将传输线缆另一端插入司控器上的检测接口,当无需检测时,现有的司控器检测仪无法对传输线缆进行收纳,且现有的司控器检测仪外部缺乏相应的保护壳体,易遭到外界环境的污染,并且当遭受外力的撞击时易损坏。Shortcomings of the existing technology: Under the existing technology, when the controller detector detects the controller, one end of the transmission cable needs to be inserted into the interface on the controller detector, and the other end of the transmission cable needs to be inserted into the interface of the controller detector. When there is no need to detect the detection interface on the controller, the existing controller detector cannot store the transmission cable, and the existing controller detector lacks a corresponding protective shell on the outside, making it susceptible to external damage. Environmental pollution, and easily damaged when hit by external forces.
实用新型内容Utility model content
为了克服现有技术的上述缺陷,本实用新型提供了一种地铁电客车司控器功能检测仪,以解决上述背景技术中存在的问题。In order to overcome the above-mentioned defects of the prior art, the present utility model provides a subway electric bus driver controller function detector to solve the problems existing in the above-mentioned background technology.
为了解决上述技术问题,本实用新型提供了一种地铁电客车司控器功能检测仪,包括防护壳,所述防护壳顶部安装有封闭盖,所述防护壳内部固定安装有司控器检测仪主体,所述司控器检测仪主体顶部设置有传输线缆,所述封闭盖内部固定连接有网布袋,所述防护壳左右两侧均开设有安装槽,所述安装槽槽底贯穿开设有一组散热孔,所述安装槽内设置有防尘组件,所述封闭盖上贯穿开设有穿设孔,所述穿设孔内设置有对接组件,所述防尘组件用于防止外界环境中的灰尘穿过散热孔进入司控器检测仪主体内部,所述对接组件用于将封闭盖与防护壳之间固定。In order to solve the above technical problems, the utility model provides a subway electric bus driver controller function detector, which includes a protective shell. A closing cover is installed on the top of the protective shell, and the driver controller detector body is fixedly installed inside the protective shell. , a transmission cable is provided on the top of the main body of the controller detector, a mesh bag is fixedly connected inside the closed cover, installation slots are provided on the left and right sides of the protective shell, and a set of installation slots are provided at the bottom of the installation slot. Heat dissipation holes, a dust-proof component is provided in the installation groove, a through-hole is provided through the closing cover, a docking component is provided in the through-hole, and the dust-proof component is used to prevent dust in the external environment Passing through the heat dissipation hole and entering the main body of the controller detector, the docking component is used to fix the closing cover and the protective shell.
优选地,所述防尘组件包括固定框,所述固定框内侧固定连接有过滤网,所述固定框朝向防护壳一侧四角处均开设有V形槽,所述安装槽四角处均固定连接有V形块,所述V形块与V形槽相匹配,所述V形块与V形槽之间通过魔术贴粘连。Preferably, the dust-proof assembly includes a fixed frame, a filter screen is fixedly connected to the inside of the fixed frame, V-shaped grooves are opened at four corners of the side of the fixed frame facing the protective shell, and the four corners of the installation groove are fixedly connected. There is a V-shaped block, the V-shaped block matches the V-shaped groove, and the V-shaped block and the V-shaped groove are adhered by Velcro.
优选地,所述对接组件包括运动板和导向柱,所述导向柱均匀设置有一组,所述导向柱两端均与穿设孔孔壁固定连接,所述运动板内部与导向柱表面滑动连接,所述导向柱表面套设有压缩弹簧,所述压缩弹簧一端与穿设孔孔壁固定连接,所述压缩弹簧另一端与运动板固定连接,所述运动板上还固定连接有挂钩和拨动块。Preferably, the docking assembly includes a movement plate and a guide column. A group of guide columns are evenly arranged. Both ends of the guide column are fixedly connected to the walls of the through holes. The inside of the movement plate is slidingly connected to the surface of the guide column. , the surface of the guide column is covered with a compression spring, one end of the compression spring is fixedly connected to the hole wall, the other end of the compression spring is fixedly connected to the movement board, the movement board is also fixedly connected to a hook and a dial moving block.
优选地,所述防护壳顶部开设有内置槽,所述内置槽槽壁前侧贯穿开设有对接孔,所述对接孔与挂钩相匹配。Preferably, the top of the protective shell is provided with a built-in groove, and the front side of the wall of the built-in groove is provided with a docking hole, and the docking hole matches the hook.
优选地,所述防护壳顶部开设有插设槽,所述插设槽均匀设置有一组,所述封闭盖朝向防护壳一侧固定连接有插设条,所述插设条对应插设槽设置有一组,所述插设条与插设槽相匹配,所述网布袋的开口处设置有拉链,所述防护壳前侧固定连接有把手。Preferably, the top of the protective shell is provided with insertion slots, and a group of the insertion slots are evenly arranged. The closing cover is fixedly connected with an insertion strip toward the side of the protective shell, and the insertion strips are arranged corresponding to the insertion slots. There is a group, the insertion strip matches the insertion slot, a zipper is provided at the opening of the mesh bag, and a handle is fixedly connected to the front side of the protective shell.
优选地,所述防护壳后侧固定连接有延伸块,所述延伸块对称设置有两个,两个所述延伸块相互背离一侧均固定连接有固定柱,所述固定柱表面转动连接有转动块,所述转动块呈V形结构,所述转动块与封闭盖固定连接。Preferably, an extension block is fixedly connected to the rear side of the protective shell, two of the extension blocks are symmetrically arranged, and a fixing post is fixedly connected to the side of the two extension blocks away from each other, and the surface of the fixing post is rotationally connected to The rotating block has a V-shaped structure and is fixedly connected to the closing cover.
与现有技术相比,本实用新型提供了一种地铁电客车司控器功能检测仪,具备以下有益效果:Compared with the existing technology, this utility model provides a subway electric bus driver controller function detector, which has the following beneficial effects:
本实用新型的使用者可将用于连接司控器检测仪主体和司控器的传输线缆放入网布袋内进行收纳,使用者再用手扣动拨动块,拨动块驱动运动板沿导向柱的轴线滑动,压缩弹簧在运动板的挤压下收缩,运动板运动并驱动挂钩同步运动,使用者再用手推动封闭盖,使得封闭盖和转动块绕固定柱的轴线转动,当设置于封闭盖上的插设条进入插设槽内时,挂钩进入内置槽内,使用者松开拨动块,压缩弹簧的弹力驱使挂钩进入对接孔内,挂钩与对接孔相互配合将封闭盖与防护壳之间固定,本设计解决了现有技术下的不足,采用箱体式设计,司控器检测仪主体位于箱体式的结构内,从而对司控器检测仪起到了良好的保护作用,且使用者可通过把手能够将整体结构拎起,便于对司控器检测仪的移动和搬运,除此之外,防尘组件的过滤网能够有效避免外界环境中的灰尘穿过散热孔进入司控器检测仪主体内部,防止灰尘对司控器检测仪主体造成污染,魔术贴粘连的设计也方便了对过滤网的拆卸清洗。The user of this utility model can put the transmission cable used to connect the main body of the controller detector and the controller into a mesh bag for storage, and then the user can pull the toggle block by hand, and the toggle block drives the motion board. Sliding along the axis of the guide column, the compression spring contracts under the extrusion of the moving plate. The moving plate moves and drives the hook to move synchronously. The user then pushes the closing cover by hand, causing the closing cover and the rotating block to rotate around the axis of the fixed column. When the insertion strip provided on the closing cover enters the insertion slot, the hook enters the built-in slot. The user releases the toggle block, and the elastic force of the compression spring drives the hook into the docking hole. The hook and the docking hole cooperate with each other to push the closing cover Fixed with the protective shell, this design solves the shortcomings of the existing technology. It adopts a box-type design. The main body of the controller detector is located in the box-type structure, thus providing good protection for the controller detector. function, and the user can lift the entire structure by the handle to facilitate the movement and transportation of the controller and detector. In addition, the filter of the dust-proof component can effectively prevent dust in the external environment from passing through the heat dissipation holes. Enter the main body of the controller detector to prevent dust from contaminating the main body of the controller detector. The Velcro adhesive design also facilitates the removal and cleaning of the filter.
附图说明Description of the drawings
图1为本实用新型的整体结构示意图;Figure 1 is a schematic diagram of the overall structure of the utility model;
图2为本实用新型的整体结构示意图;Figure 2 is a schematic diagram of the overall structure of the utility model;
图3为本实用新型的部分结构爆炸图;Figure 3 is an exploded view of part of the structure of the utility model;
图4为本实用新型的防尘组件结构示意图;Figure 4 is a schematic structural diagram of the dust-proof component of the present utility model;
图5为本实用新型的对接组件结构示意图。Figure 5 is a schematic structural diagram of the docking component of the present utility model.
图中:1、防护壳;11、插设槽;12、内置槽;13、对接孔;14、延伸块;15、固定柱;16、安装槽;17、散热孔;18、V形块;2、封闭盖;21、插设条;22、转动块;23、穿设孔;3、司控器检测仪主体;4、传输线缆;5、网布袋;51、拉链;6、防尘组件;61、固定框;62、过滤网;63、V形槽;7、对接组件;71、运动板;72、导向柱;73、挂钩;74、拨动块;75、压缩弹簧;8、把手。In the picture: 1. Protective shell; 11. Insertion slot; 12. Built-in slot; 13. Butt hole; 14. Extension block; 15. Fixed column; 16. Installation slot; 17. Heat dissipation hole; 18. V-shaped block; 2. Closing cover; 21. Insertion bar; 22. Rotating block; 23. Through hole; 3. Main body of controller detector; 4. Transmission cable; 5. Mesh bag; 51. Zipper; 6. Dustproof Components; 61. Fixed frame; 62. Filter; 63. V-shaped groove; 7. Butt assembly; 71. Movement plate; 72. Guide column; 73. Hook; 74. Toggle block; 75. Compression spring; 8. handle.
具体实施方式Detailed ways
下面将结合本实用新型中的附图,对本实用新型中的技术方案进行清楚、完整地描述,另外,在以下的实施方式中记载的各结构的形态只不过是例示,本实用新型所涉及的一种地铁电客车司控器功能检测仪并不限定于在以下的实施方式中记载的各结构,在本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施方式都属于本实用新型保护的范围。The technical solutions in the present utility model will be described clearly and completely below with reference to the accompanying drawings in the present utility model. In addition, the forms of each structure described in the following embodiments are only illustrations. A subway electric bus driver controller function detector is not limited to the structures recorded in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without any creative work belong to The scope of protection of this utility model.
本实用新型提供了一种地铁电客车司控器功能检测仪,包括防护壳1,防护壳1顶部安装有封闭盖2,防护壳1内部固定安装有司控器检测仪主体3,司控器检测仪主体3为现有常规技术,在此不再赘述,司控器检测仪主体3顶部设置有传输线缆4,封闭盖2内部固定连接有网布袋5,防护壳1左右两侧均开设有安装槽16,安装槽16槽底贯穿开设有一组散热孔17,安装槽16内设置有防尘组件6,封闭盖2上贯穿开设有穿设孔23,穿设孔23内设置有对接组件7,防尘组件6用于防止外界环境中的灰尘穿过散热孔17进入司控器检测仪主体3内部,对接组件7用于将封闭盖2与防护壳1之间固定。The utility model provides a subway electric bus driver controller function detector, which includes a protective shell 1. A closing cover 2 is installed on the top of the protective shell 1. A driver controller detector body 3 is fixedly installed inside the protective shell 1. The driver controller detects The main body 3 of the instrument is an existing conventional technology and will not be described in detail here. The top of the main body 3 of the controller and detector is provided with a transmission cable 4, a mesh bag 5 is fixedly connected to the inside of the closing cover 2, and the left and right sides of the protective shell 1 are provided with The installation groove 16 has a set of heat dissipation holes 17 penetrating through the bottom of the installation groove 16. A dust-proof component 6 is provided in the installation groove 16. A through hole 23 is provided through the closing cover 2, and a docking component 7 is provided in the through hole 23. , the dust-proof component 6 is used to prevent dust in the external environment from entering the interior of the controller detector main body 3 through the heat dissipation hole 17, and the docking component 7 is used to fix the closing cover 2 and the protective shell 1.
进一步的,防尘组件6包括固定框61,固定框61内侧固定连接有过滤网62,过滤网62能够将外界环境中的灰尘过滤,固定框61朝向防护壳1一侧四角处均开设有V形槽63,安装槽16四角处均固定连接有V形块18,V形块18与V形槽63相匹配,V形块18与V形槽63之间通过魔术贴粘连,魔术贴粘连的固定方式使得使用者需对过滤网62进行清洗时,直接将安装有过滤网62的固定框61拽出即可,方便了使用者的操作。Further, the dust-proof assembly 6 includes a fixed frame 61. A filter 62 is fixedly connected to the inside of the fixed frame 61. The filter 62 can filter dust in the external environment. V-shaped holes are provided at the four corners of the fixed frame 61 facing the protective shell 1. V-shaped groove 63, the four corners of the installation groove 16 are fixedly connected with V-shaped blocks 18, the V-shaped block 18 matches the V-shaped groove 63, and the V-shaped block 18 and the V-shaped groove 63 are adhered by Velcro. The fixing method allows the user to directly pull out the fixing frame 61 with the filter 62 installed when he needs to clean the filter 62, which facilitates the user's operation.
进一步的,对接组件7包括运动板71和导向柱72,导向柱72均匀设置有一组,导向柱72两端均与穿设孔23孔壁固定连接,运动板71内部与导向柱72表面滑动连接,且运动板71与导向柱72构成沿导向柱72轴线方向的滑动导向配合,导向柱72表面套设有压缩弹簧75,压缩弹簧75一端与穿设孔23孔壁固定连接,压缩弹簧75另一端与运动板71固定连接,运动板71上还固定连接有挂钩73和拨动块74,防护壳1顶部开设有内置槽12,内置槽12槽壁前侧贯穿开设有对接孔13,对接孔13与挂钩73相匹配,压缩弹簧75的弹力能够驱使挂钩73进入对接孔13内,挂钩73与对接孔13相互配合能够将将封闭盖2与防护壳1之间固定,且使用者仅需用手扣动拨动块74即可牵引挂钩73从对接孔13内脱离,操作起来简单方便。Further, the docking assembly 7 includes a movement plate 71 and a guide column 72. A group of guide columns 72 is evenly arranged. Both ends of the guide column 72 are fixedly connected to the walls of the through holes 23. The interior of the movement plate 71 is slidingly connected to the surface of the guide column 72. , and the moving plate 71 and the guide column 72 form a sliding guide fit along the axial direction of the guide column 72. A compression spring 75 is set on the surface of the guide column 72. One end of the compression spring 75 is fixedly connected to the wall of the penetration hole 23, and the other end of the compression spring 75 is fixedly connected to the hole wall of the penetration hole 23. One end is fixedly connected to the movement board 71, and the movement board 71 is also fixedly connected with a hook 73 and a toggle block 74. The top of the protective shell 1 is provided with a built-in groove 12, and the front side of the wall of the built-in groove 12 is provided with a docking hole 13. The docking hole 13 matches the hook 73. The elastic force of the compression spring 75 can drive the hook 73 into the docking hole 13. The hook 73 and the docking hole 13 cooperate to fix the closing cover 2 and the protective shell 1, and the user only needs to use By manually pulling the toggle block 74, the pulling hook 73 can be detached from the docking hole 13, which is simple and convenient to operate.
进一步的,防护壳1顶部开设有插设槽11,插设槽11均匀设置有一组,封闭盖2朝向防护壳1一侧固定连接有插设条21,插设条21对应插设槽11设置有一组,插设条21与插设槽11相互配合能够使得封闭盖2与防护壳1之间的贴合更为紧密,网布袋5的开口处设置有拉链51,拉链51用于打开和关闭网布袋5的开口,防护壳1前侧固定连接有把手8。Furthermore, the top of the protective shell 1 is provided with insertion slots 11, and a group of the insertion slots 11 is evenly arranged. The closing cover 2 is fixedly connected to the side of the protective shell 1 with an insertion strip 21, and the insertion strip 21 is arranged corresponding to the insertion slot 11. There is a set, the insertion strip 21 and the insertion groove 11 cooperate with each other to make the closing cover 2 and the protective shell 1 fit more closely. The opening of the mesh bag 5 is provided with a zipper 51, and the zipper 51 is used for opening and closing. A handle 8 is fixedly connected to the opening of the mesh bag 5 and the front side of the protective shell 1 .
进一步的,防护壳1后侧固定连接有延伸块14,延伸块14对称设置有两个,两个延伸块14相互背离一侧均固定连接有固定柱15,固定柱15表面转动连接有转动块22,转动块22呈V形结构转动块22与封闭盖2固定连接,封闭盖2和转动块22能够绕固定柱15的轴线转动。Further, an extension block 14 is fixedly connected to the rear side of the protective shell 1. Two extension blocks 14 are symmetrically arranged. The two extension blocks 14 are fixedly connected to a fixed column 15 on the side facing away from each other. The surface of the fixed column 15 is rotatably connected to a rotating block. 22. The rotating block 22 has a V-shaped structure and is fixedly connected to the closing cover 2. The closing cover 2 and the rotating block 22 can rotate around the axis of the fixed column 15.
本实用新型的工作原理及使用流程:The working principle and usage process of this utility model:
使用时,使用者将传输线缆4一端插入司控器检测仪主体3顶部的接口,将传输线缆4另一端插入司控器上的检测接口,即可通过司控器检测仪主体3对司控器的各项数据进行检测,检测完成后,使用者可将传输线缆4放入网布袋5内进行收纳,使用者再用手扣动拨动块74,拨动块74驱动运动板71沿导向柱72的轴线滑动,压缩弹簧75在运动板71的挤压下收缩,压缩弹簧75的弹力增大,运动板71运动并驱动挂钩73同步运动,使用者再用手推动封闭盖2,使得封闭盖2和转动块22绕固定柱15的轴线转动,当设置于封闭盖2上的插设条21进入插设槽11内时,挂钩73进入内置槽12内,此时,使用者松开拨动块74,压缩弹簧75的弹力驱使挂钩73进入对接孔13内,挂钩73与对接孔13相互配合将封闭盖2与防护壳1之间固定,使用者通过把手8能够将整体结构拎起。When in use, the user inserts one end of the transmission cable 4 into the interface on the top of the main body 3 of the controller detector, and inserts the other end of the transmission cable 4 into the detection interface on the controller, and then the user can pass the pair of controller detector main bodies 3 Various data of the controller are tested. After the test is completed, the user can put the transmission cable 4 into the mesh bag 5 for storage. The user then pulls the toggle block 74 by hand, and the toggle block 74 drives the motion board. 71 slides along the axis of the guide column 72, the compression spring 75 contracts under the extrusion of the moving plate 71, the elastic force of the compression spring 75 increases, the moving plate 71 moves and drives the hook 73 to move synchronously, and the user then pushes the closing cover 2 by hand , so that the closing cover 2 and the rotating block 22 rotate around the axis of the fixed column 15. When the insertion bar 21 provided on the closing cover 2 enters the insertion slot 11, the hook 73 enters the built-in slot 12. At this time, the user Loosen the toggle block 74, and the elastic force of the compression spring 75 drives the hook 73 into the docking hole 13. The hook 73 and the docking hole 13 cooperate with each other to fix the closing cover 2 and the protective shell 1. The user can use the handle 8 to secure the entire structure. Pick it up.
最后应说明的几点是:首先,在本申请的描述中,需要说明的是,除非另有规定和限定,术语“安装”、“相连”、“连接”应做广义理解,可以是机械连接或电连接,也可以是两个元件内部的连通,可以是直接相连,“上”、“下”、“左”、“右”等仅用于表示相对位置关系,当被描述对象的绝对位置改变,则相对位置关系可能发生改变;The last few points that should be explained are: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense and can be mechanical connections. Or electrical connection, or internal connection between two components, or direct connection. "Up", "Down", "Left", "Right", etc. are only used to express relative positional relationships. When the absolute position of the object being described is change, the relative positional relationship may change;
其次:本实用新型公开实施例附图中,只涉及到与本公开实施例涉及到的结构,其他结构可参考通常设计,在不冲突情况下,本实用新型同一实施例及不同实施例可以相互组合;Secondly: the drawings of the disclosed embodiments of the present utility model only involve structures related to the disclosed embodiments. Other structures can refer to common designs. In the case of no conflict, the same embodiment and different embodiments of the present utility model can be interchanged with each other. combination;
最后:以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。Finally: The above are only preferred embodiments of the present utility model, and are not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model shall include Within the protection scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321154976.5U CN219695651U (en) | 2023-05-15 | 2023-05-15 | A function tester for the controller of a subway electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321154976.5U CN219695651U (en) | 2023-05-15 | 2023-05-15 | A function tester for the controller of a subway electric bus |
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| Publication Number | Publication Date |
|---|---|
| CN219695651U true CN219695651U (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321154976.5U Expired - Fee Related CN219695651U (en) | 2023-05-15 | 2023-05-15 | A function tester for the controller of a subway electric bus |
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| Country | Link |
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| CN (1) | CN219695651U (en) |
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2023
- 2023-05-15 CN CN202321154976.5U patent/CN219695651U/en not_active Expired - Fee Related
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Granted publication date: 20230915 |