51results about How to "Avoid connectivity" patented technology

The application relates to the technical field of wastewater treatment equipment, in particular to a zero-emission multistage wastewater treatment device for industrial high-salinity wastewater, which comprises a base, a fixing frame fixedly installed on the base and a supporting limiting frame fixedly installed on the fixing frame, the supporting limiting frame is slidably connected with a heat exchange box, the front end face of the fixing frame is provided with limiting assemblies corresponding to the heat exchange box on both sides, a sedimentation tank and a core treatment tank are installed on the fixing frame from top to bottom and located at the bottom of the heat exchange box, the heat exchange box, the sedimentation tank and the core treatment tank are sequentially communicated through connecting channels, a feeding pipe is arranged on the side wall of the sedimentation tank, the sealing assembly is driven to rotate by a motor-driven screw rod, the extrusion frame is driven to slide along the guide column, the pressure of the extrusion frame on the third sealing frame can be automatically adjusted, the extrusion plate can be tightly combined with the third sealing frame, the pressure is uniformly distributed, the traditional manual sealing adjustment mode is replaced, and the sealing reliability is further improved.

This utility model discloses an electronic information engineering circuit connection device, including a coupling sleeve, an adjusting sleeve rotatably provided on the outer side of the coupling sleeve, a limiting sleeve slidably provided on the outer side of the coupling sleeve, a spiral rod provided on one side of the limiting sleeve, multiple moving blocks provided on one side of the adjusting sleeve, a screw-in sleeve provided on the outer side of the spiral rod, a tension spring provided on the outer side of the moving blocks, a migration sleeve provided on the outer side of the coupling sleeve, a conversion sleeve rotatably provided on the outer side of the coupling sleeve, a drive gear provided on one side of the conversion sleeve, multiple cylindrical blocks provided on the outer side of the coupling sleeve, an adapter groove inclinedly opened in the coupling sleeve, a transmission gear provided on one side of the screw-in sleeve, an adapter plate slidably provided in the adapter groove, an adapter block provided on one side of the adapter plate, a configuration spring provided on one side of the adapter block, a holding plate provided at the other end of the configuration spring, and a transmission rod provided on one side of the holding plate. This utility model realizes the protection of the cable connection point, ensures the adapter clamping of the cable, and ensures the clamping stability.

The utility model is applicable to the technical field of measurement, and provides a double-probe temperature sensor with a rotary limiting structure, which comprises an equipment main body, the equipment main body comprises a protective tube, sleeves and sensor probes, a pair of sleeves are respectively inserted into two end parts of the protective tube, the sensor probes are provided with limiting grooves, the sleeves are provided with limiting blocks, and the limiting blocks are arranged in the limiting grooves. The outer wall of the sensor probe is provided with limiting plates; the fixing assembly is connected to the sleeve and the sensor probe; according to the utility model, a worker inserts the sensor probe into the upper end part of the sleeve and rotates the sensor probe to ensure that the limiting block is arranged in the limiting groove, and at the moment, the limiting plate on the sensor probe is arranged on the upper end surface of the sleeve; by arranging the limiting block and the limiting plate, the situation that wires in the sensor probe are damaged or connection is loosened due to the fact that the sensor probe is excessively rotated in the installation or maintenance process is avoided, and meanwhile it is ensured that the sensor probe is kept at the fixed position in the sleeve.

The utility model provides a kind of multi-air bag cushion, including base, the base top is equipped with multiple mounting holes, multiple clamping blocks are fixedly installed in the inner wall of mounting hole, the inner side of base and located mounting hole bottom fixed installation have air pipe, the public connector is fixedly installed in the top of air pipe and located mounting hole bottom, the base top is provided with air bag assembly, by plug-in female connector and male connector butt joint design, threaded connection's connecting sleeve ring and mounting ring, and detachable mounting bolt and mounting block structure, the independent disassembly of air bag assembly is realized, when single or partial air bag appears air leakage, breakage and other faults, without disassembling entire airway system or damaging cushion base, faulty air bag can be individually removed for repair or replacement, shorten repair waiting time, avoid the waste caused by overall replacement due to local fault, fully meet the needs of user to cushion maintenance flexible, easy to operate.

The utility model discloses a board-to-board large-current connector, which relates to the technical field of electric connectors and comprises a PCB (printed circuit board), a contact pin, a crown spring and a crown spring fixing mechanism. The middle position of the PCB is fixedly connected with one end of a contact pin; the other end of the contact pin is connected with the crown spring in a plugging manner; the crown spring is fixedly mounted in the crown spring fixing mechanism; the crown spring fixing mechanism comprises an insulating fixing cover, a crown spring fixing seat and a locking plate; the insulating fixing cover is sleeved on the crown spring fixing seat; one end of the crown spring fixing seat is provided with a crown spring jack guide surface and is close to the PCB, and the other end of the crown spring fixing seat is fixedly connected with the locking plate; the pin comprises a guide section, a contact section and a fixed section; the contact section is positioned between the guide section and the fixed section; the guide section and the contact section are both connected with the crown spring in a pluggable mode. And the fixed section is fixedly connected with the PCB. The high-current connector has the beneficial effects that the production cost can be reduced, and the reliability and the safety of the high-current connector can be guaranteed.

The handle comprises a handle body and a rear cover, a storage cavity is formed in the rear end of the handle body, the rear cover covers the rear end of the handle body, a clamping groove is formed in the outer wall of the handle body, a blocking rod is arranged on the front portion of the clamping groove, a clamping opening is formed between the blocking rod and the front end of the clamping groove, and a bayonet socket is arranged at one end of the rear cover. The bayonet socket is formed by uniformly distributing a plurality of plug-in groove bodies in the circumferential direction, the periphery of the bayonet socket is surrounded by a circle of clamping ring, the clamping ring is used for being inserted into the opening part of the storage cavity and clamped with the opening part of the storage cavity, the rear cover is further provided with plug-in pieces in one-to-one correspondence with the clamping grooves, and the front ends of the plug-in pieces extend forwards to form clamping hooks which penetrate through the lower portions of the blocking rods and are clamped into the clamping openings. The electrician screwdriver adopts the handle. The technical problem that normal use is affected due to the fact that the threaded connection mode of the rear cover at the rear end of the handle and the handle body of a traditional electrician screwdriver is prone to loosening is solved.

The invention relates to a zero sample Text2SQL (Structured Query Language) generation method based on structure awareness and adaptive routing, belonging to the technical field of natural language processing and data query, comprising the following steps of: based on user query, judging the structure complexity of a user query problem by adopting a mode of combining lightweight prompt and complexity adaptive routing decision; dynamically selecting different query generation paths; aiming at a simple path, directly inputting user query and a database mode into a large language model to generate a query statement; for a complex path, converting the user query into a structured intermediate representation, and inputting the user query and the structured intermediate representation into a large language model to form a candidate SQL (Structured Query Language) set; and selecting one of the candidate SQL sets as a final SQL. According to the method, under the zero sample condition, the structure correctness and the semantic consistency are ensured, the reasoning cost is effectively controlled, and the overall efficiency of the system is improved.

The utility model provides an artificial intelligence control device for the operation process of a water transportation port. The artificial intelligence control device has various advantages. The positioning holes provide accurate reference for device installation, and installation efficiency and quality are improved; the water transportation port is used for controlling the connecting port and the nickel-plated jack, so that stable and reliable connection, corrosion resistance and water resistance are guaranteed. The APM processor can be controlled to quickly process sensor data, real-time accurate control is achieved, and the operation automation level is improved. And the data storage stores related data, so that subsequent analysis and operation optimization are facilitated. And the wireless communication module is controlled to realize remote monitoring and control, so that the management cost is reduced. The device adopts a multiple waterproof sealing structure, prevents moisture and dust from invading, protects an internal circuit, and ensures stable data transmission. Through real-time monitoring and accurate control, operation parameters can be adjusted according to actual conditions, the safety, efficiency and resource utilization rate of port operation are improved, the cost is reduced, and the overall competitiveness is improved.

This utility model discloses a quick connector for an electric welding machine, including a connector base, a plug-in base, and an electrode plug. The connector base includes a fixed base and a rotating sleeve base, with several locking protrusions inside the rotating sleeve base. The plug-in base has a fixing ring, a bearing, and a helical spring. One end of the electrode plug is rotatably mounted via the bearing, and its surface has multiple helical grooves and ring locking grooves. During insertion, the electrode plug deflects into place under the guidance of the grooves and returns to its original position under the torsion of the spring, completing the misalignment of the locking protrusions and the locking grooves. By controlling the deflection of the rotating sleeve base with a crank, the grooves and locking protrusions slide out to achieve quick unlocking. This structure realizes automatic guided insertion, elastic reset locking, and friction damping anti-rotation functions, improving the connection stability and ease of operation of the welding joint.

The application relates to the technical field of LED display screen assembling, and particularly discloses a quick linking and locking device for LED display screen, which comprises an LED display module and a connecting block arranged on the back of the LED display module, the back of the LED display module is symmetrically provided with two grooves, the periphery of the two grooves is provided with the connecting block through welding, the two right-angle sides of the connecting block away from the inner wall of the LED display module are provided with connecting holes, and the two connecting blocks are provided with a connecting assembly. The two telescopic parts and the corresponding connecting parts can be automatically driven to separate or adhere by relying on the telescopic servo electric cylinder in the holding part, so that the distance between the connecting parts is automatically adjusted without manual adjustment; the driving motor in the holding part drives the connecting screw rod to rotate through the driving rod, the bevel gear two and the bevel gear one, and then the connecting slide block drives the connecting rod to be automatically inserted into or drawn out of the connecting hole of the connecting block, so that the whole process does not need to rely on tools such as screwdrivers and wrenches, and the manual operation steps are reduced.

The utility model provides an anti-hail net supporting structure, which combines independent supporting units into a whole through structural design, so that the stability and durability of an anti-hail net are effectively improved, and meanwhile, a user can maintain, assemble and disassemble the anti-hail net by himself / herself without the need of a professional to go to the door, and belongs to the technical field of agricultural protection facilities. Comprising a supporting frame and a ground anchor fastening structure, the supporting frame comprises a transverse pull rod and a plurality of center rods, and the center rods are arranged at equal intervals in the length direction of the transverse pull rod; a connecting pipe is arranged between every two adjacent center rods. A fixing block is pre-embedded in the bottom end of the center rod; the ground anchor fastening structure comprises a vertical rotating rod, and a first connecting block and a second connecting block are arranged on the rotating rod; the lower end of the expansion anchor is hinged to the second connecting block, a connecting rod is arranged between the expansion anchor and the first connecting block, one end of the connecting rod is hinged to the first connecting block, and the other end of the connecting rod is hinged to the expansion anchor; the ground anchor fastening structure is connected with the supporting frame through a tensioning rope.

The present application relates to the technical field of garment assembly line, and discloses a segmented hanging type conveying device for garments, which comprises a supporting frame and a track fixedly installed below the supporting frame, two or more groups of transmission racks connected end to end are slidingly installed below the supporting frame, a clamping groove and a clamping buckle are respectively formed at the two ends of each transmission rack, adjacent transmission racks are connected into a chain through the clamping groove and the clamping buckle, and each transmission rack comprises two groups of rack monomers fixedly embedded in each other. The adjacent transmission racks are connected into a chain through the clamping groove and the clamping buckle, and the two groups of rack monomers are fixedly embedded in each other. Compared with the traditional integral type or the technical structure of the connecting rod connected through bolts, the segmented hanging type conveying device for garments can realize independent extraction and offline replacement of a single faulty transmission rack and the corresponding mounting seat, and completely does not need to disassemble the whole assembly line conveyor belt during maintenance, so that the maintenance and replacement efficiency of the faulty section is greatly improved, and the equipment downtime maintenance cost is effectively reduced.

The application discloses an AI-P&ID graph recognition data labeling method, relates to the technical field of graph labeling, and is used for solving the problem that the integrity of pipeline topology is destroyed. A plurality of remodeling areas are obtained by remodeling the areas of a P&ID graph to be measured, and local line widths of the areas are generated. Width compression or expansion compensation is performed on the line of the remodeling area according to the local line width. The preliminary center line is obtained by center line prediction on the processed image, and the skeleton node information is extracted. The local main direction and the adjacent interval length of the skeleton node in each remodeling area are detected. The cross direction difference degree is calculated based on the local main direction, and the skeleton node density is generated according to the adjacent interval length. The connection state of the skeleton node is judged by comprehensively considering the cross direction difference degree and the skeleton node density. In the broken state, the gap backfilling is performed, and the pseudo connection point removal or semantic labeling association is selected according to the number of skeleton nodes in the area, so that the skeleton breakage, the pseudo connection point and the node drift are avoided.

The present application relates to the technical fields of power cable channel monitoring equipment, in particular to a cable honeycomb pipe online monitoring device, which comprises a flexible strain sensor, a wireless acquisition unit and an integrated body, the two ends of the cable honeycomb pipe body are provided with first and second connecting seats with tapered guide tables and guide grooves, the mating surface is provided with an annular air bag, the flexible strain sensor is connected between the pipe bodies, the locking chuck is matched with the compression sliding block, the reset spring, the compensation ring and the elastic damping ring in the second connecting seat to realize quick locking and anti-loosening; the second connecting seat is provided with a linkage groove, an elastic linkage plate, a linkage block and a pressing block, and the bending deformation is amplified and transmitted to the flexible strain sensor; the present application realizes the three-in-one monitoring of pipe body deformation, cable failure and pipe hole occupation, and has the advantages of deformation amplification, dynamic sealing and anti-loosening.

The invention discloses an Internet of Things equipment multi-dimensional intelligent service scheduling method and system, and the method comprises the following steps: S1, request receiving and feature extraction: receiving a service scheduling request, and extracting scheduling feature information from the request; and S2, multi-dimensional scheduling rule matching: according to a preset priority sequence of scheduling feature information, carrying out matching query on the information in a multi-dimensional scheduling rule base in sequence, and once matching succeeds in a certain dimension, terminating a matching process and entering a service distribution stage. The method has the advantage of accurate and efficient scheduling, and solves the problems that in the service scheduling process of existing Internet of Things equipment, accurate and efficient scheduling of various different Internet of Things equipment is inconvenient, and scheduling faults and inconsistency are easily caused.

The application relates to the technical field of encrypted communication security and data leakage prevention, and discloses an encrypted channel data leakage prevention blocking method and system based on a deep residual network and protocol reverse analysis, which comprises the following steps: under the premise of maintaining end-to-end encryption, collecting the transmission direction, ciphertext load length and arrival time interval of an encrypted session, constructing a structured observation sequence by demarcating the interactive round-trip boundary and analyzing the idle time length fluctuation to carry the protocol interaction rhythm; analyzing the hidden state output state probability sequence by a Gumbel-Softmax relaxed hidden semi-Markov model, inputting the state probability sequence into a deep residual network after aligning with a Gram angle field texture image, generating a gating coefficient to modulate the texture feature to output a leakage probability; combining the state transition probability to predict the risk and make a decision on blocking, and predicting the injection blocking message based on the TCP sequence number at the hidden state boundary. The application does not destroy the security of the encrypted channel, and uses the protocol logic structure to improve the detection accuracy and blocking timeliness.

The invention discloses an AI video content integrated generation method and system based on script structuring, and relates to the technical field of artificial intelligence video generation. The method comprises the following steps: receiving an unstructured natural language story text, and disassembling the unstructured natural language story text into structured JSON data including a mirror number, a picture description, a role list and a scene list; packaging the AI generation request into an asynchronous task and distributing the asynchronous task; and executing a generation operation based on the structured JSON data and role vision setting, and returning a result. The system comprises a user interaction module, a business logic processing module, a task scheduling module and an intelligent generation service module which are connected through a protocol to form a data closed loop. The technical problems of data link splitting, poor content consistency and high modification cost of the existing video generation technology are solved, the full-link integrated creation from the script to the video is realized, the generation efficiency and the content quality are improved, and the modification and cooperation cost is reduced.

The application discloses a screwing tool, which comprises a dexterous hand connecting part connected with a dexterous hand, a screwing part connected with a rotating tool, the screwing part being rotatably connected with the dexterous hand connecting part, the screwing part being driven to rotate by fingers of the dexterous hand so as to drive the rotating tool to rotate in a first rotating direction or a second rotating direction, and a switching part, when the switching part is switched to a first position, the screwing part is connected with a first finger of the dexterous hand, the first finger of the dexterous hand drives the rotating tool to rotate in the first rotating direction through the screwing part, when the switching part is switched to a second position, the screwing part is connected with a second finger of the dexterous hand, the second finger of the dexterous hand drives the rotating tool to rotate in the second rotating direction through the screwing part. Compared with the prior art, the dexterous hand does not need to be detached from a mechanical arm, line connection and debugging are avoided, work efficiency is guaranteed, and research and development cost is remarkably reduced. The application further discloses a dexterous hand.

The utility model provides a kind of integrated intelligent cash register device, it includes rack, display device and electronic scale;Printing device and code scanning device are fixed on rack;Rack includes metal support and front, rear shell;Metal support is equipped with installation space, front shell has opening, code scanning device is installed in installation space by opening;The inner side edge portion of the code scanning window of code scanning device is equipped with catch, the inner side of the opening of front shell is provided with the frame body structure of protruding, catch and frame body structure are engaged and fix code scanning device on the rack of cash register device.The utility model's intelligent cash register device, code scanning device and electronic scale are integrated design, make code scanning device become part of cash register device, without additional USB cable connection, solve the problem of cash register desk wire harness messy, while eliminating cable winding and tripping safety hazard;Avoid the abrasion and connection loosening problem caused by repeated USB interface plug and unplug, improve the stability of equipment connection, and save cash register desk space.

The utility model provides an operation-visualized connecting device which comprises a first connecting component, a second connecting component, a third connecting component and a fourth connecting component. The first connecting component is provided with at least one lock catch assembly with an elastic reset function; the first connecting component is provided with a lock catch assembly, the second connecting component is provided with a limiting structure matched with the lock catch assembly, the first connecting component and the second connecting component are assembled and connected through a concave-convex matching structure, and when the first connecting component and the second connecting component are assembled, the lock catch assembly and the limiting structure form mechanical interlocking; the operation feedback mechanism comprises a connecting part and a feedback part; the connecting part is in linkage connection with the lock catch assembly, the feedback part is exposed out of the outer surface of the first connecting component, and the feedback part is used for providing visual indication of the moving state of the lock catch assembly. The operation feedback mechanism can provide real-time state indication of the lock catch assembly, so that a user can more accurately judge whether the connection is in place or not.

This invention discloses a photovoltaic fastener, comprising a housing, with connectors passing through a set of opposite sidewalls of the housing. Each connector has a base at its end away from the sidewall, and elastic members at both ends abutting against the sidewall and the base, respectively. A fastening rotary cylinder is disposed inside the housing, which drives the connectors to move axially along the connectors during rotation. This invention also discloses an intelligent BIPV system incorporating the above-mentioned photovoltaic fastener. This invention offers advantages such as modular production, rapid assembly and disassembly, simple structure, and ease of maintenance and replacement.

This utility model discloses a multi-row module assembly and replacement structure, relating to the field of multi-row module assembly. The multi-row module assembly and replacement structure includes a bottom component and further includes: a wide plate fixedly connected to the bottom component; a first tray positioning pin fixedly connected to the wide plate; a second tray positioning pin fixedly connected to the wide plate; a tray component fixedly connected to the bottom component, the tray component including: a tray pad fixedly connected to the tray component, the tray component being fixed to the bottom component. This utility model avoids problems such as module deformation or loose connections due to uneven pressure. The use of positioning pins such as the first positioning pin and limiting blocks such as end limiting blocks and end plate limiting blocks ensures the positional accuracy of the modules during assembly, enabling each module to achieve a high degree of consistency in assembly, thereby improving the assembly quality of the modules and increasing the product yield.

The invention discloses a floating type offshore photovoltaic platform. Comprising a bottom frame; the first floating cylinders are mounted on the bottom frame; the top mounting frame is arranged above the bottom frame, is provided with a flexible cable and is used for mounting a photovoltaic panel; the upper ends of the stand columns are connected with the corners of the top mounting frame respectively, and the lower ends of the stand columns are connected with the corners of the bottom frame respectively; the upper ends of the reinforcing rods are connected with non-corners of the top mounting frame, and the lower ends of the reinforcing rods are connected with non-corners of the bottom frame. The vertical columns are arranged at the corners of the top mounting frame and the bottom frame, meanwhile, the reinforcing rods are additionally arranged to connect the non-corner areas of the top mounting frame and the bottom frame, and a three-dimensional supporting system of the corner vertical columns and the non-corner reinforcing rods is formed. Stress caused by sea wave impact, water flow disturbance and wind load can be dispersed, bending deformation and vibration amplitude of the top mounting frame are reduced, fatigue damage of the frame structure is avoided, and the overall structural strength of the platform is improved.

This utility model relates to the field of pipe connection technology, and in particular to a detachable connector, including a conveying pipe. The conveying pipe has a first half-hoop and a second half-hoop externally. The outer surfaces of the first half-hoop and the second half-hoop are symmetrically provided with two first connecting ears and two second connecting ears, respectively. The upper surfaces of the first connecting ears and the second connecting ears are respectively provided with threaded holes and fixing holes. A screw cylinder is installed at the lower end of the first connecting ear. The inner wall of the fixing cylinder is provided with several circular movable grooves. This utility model allows for quick and easy connection of the first half-hoop and the second half-hoop by simply inserting and rotating them. The connection process is simple and convenient, as it does not require excessive external auxiliary tools.

The utility model relates to the technical field of wire mesh protective fences, and provides a novel wire mesh protective fence connecting structure which comprises a fixing column, a wire mesh is fixedly connected to the side face of the fixing column, a cone is fixedly connected to the bottom of the fixing column, and a multi-fence connecting device is arranged on the side face of the wire mesh. A fixing device is arranged on the side face of the sliding shell and comprises a sliding groove, the sliding groove is formed in the side face of the sliding shell, a circular groove is formed in the bottom of the sliding shell, a cone is slidably connected to the inner side face of the circular groove, and a circular plate is fixedly connected to the top of the cone. Controllable sliding, positioning and supporting functions are achieved through cooperation of the cone in the sliding shell and the fixing device. According to the technical scheme, the technical problem that quick connection cannot be achieved in the prior art is solved.

The invention provides an Internet of Things equipment tool capability expansion method and system based on an MCP protocol. Comprising the following steps: S1, establishing WebSocket or MQTT communication connection between an Internet of Things device and a cloud service; s2, packaging a JSON-RPC message of a standard MCP protocol into an equipment communication protocol message, and performing bidirectional transparent transmission through the communication connection; and S3, the cloud service completes MCP initialization handshake with the Internet of Things equipment through the MCP initialized message and the tools / list message, and obtains a hardware tool list registered at the Internet of Things equipment end, the resource limitation is broken through, the limited IoT equipment such as ESP32 does not need to operate a complete MCP server, the MCP message is transparently transmitted through WebSocket / MQTT, the equipment hardware capability is exposed to the LLM in a standard MCP tool form for the first time, and the hardware capability of the equipment is exposed to the LLM in a standard MCP tool form. The access threshold is greatly reduced, the LLM does not need to perceive the source difference of local and remote MCP and equipment end tools when calling tools through the universal MCPClient interface and the unified registry, development is simplified, and the maintenance cost is reduced.

The invention discloses a heat storage-heat and power cogeneration device and method based on thermal electron and capacitor integrated energy storage and transduction, and the device comprises a heat storage body, and a thermal electron emission unit and a capacitor energy storage unit which are located at the inner periphery of the heat storage body. The thermionic emission unit comprises a thermionic positive electrode located on the inner circumferential wall of the heat storage body and a negative electrode located on the inner circumference of the thermionic positive electrode, the capacitive energy storage unit comprises a negative electrode and a capacitive positive electrode located on the inner circumference of the negative electrode, and the thermionic emission unit and the capacitive energy storage unit share the same negative electrode. The thermal electron emission effect and the capacitance electricity storage are designed to be of an integrated structure and share the same negative electrode, heat storage, thermoelectric conversion and electricity storage are coupled into the same physical process, the structure is simple and compact, and the purposes of long-time large-capacity storage-discharge / heat with high energy density, high power density and transient response are achieved.

The utility model provides a glass hot bending machine, and belongs to the technical field of hot bending forming machine equipment, the glass hot bending machine is provided with a heating assembly for providing heat for glass hot bending, the heating assembly comprises a ceramic plate, a metal plate and a connecting piece for connecting the ceramic plate and the metal plate, a heating unit is arranged in the metal plate, N kidney-shaped holes suitable for penetrating of the connecting piece are formed in the ceramic plate, and the N kidney-shaped holes are communicated with the metal plate. Wherein N is an integer greater than or equal to 3; a straight line passing through the geometric center and along the shortest line segment direction of the binding surface is taken as an X axis, and a straight line passing through the geometric center and perpendicular to the shortest line segment is taken as a Y axis; the long axis directions of the N kidney-shaped holes extend in the direction deviating from the geometric center, and the long axis directions of any two adjacent kidney-shaped holes deviate from each other; at least part of the kidney-shaped holes have projection components in the X-axis direction and projection components in the Y-axis direction in the long-axis direction at the same time. The interface thermal stress generated by thermal expansion mismatch of ceramic and metal is effectively released, and the flatness of the heating assembly is ensured.

The utility model provides a kind of plug-in box battery pack ear potential connection structure, comprising: rack body, plug-in box body, two ear components and two pull rings;Several limit plates are provided on rack body, several limit plates are equidistantly arranged, and several electric potential shielding structures are provided on rack body, several electric potential shielding structures are equidistantly arranged, and each electric potential shielding structure is located at one side of one limit plate;Two ear components are respectively arranged on the two sides of plug-in box body, two pull rings are arranged on one side of plug-in box body, plug-in box body is movably inserted on two limit plates, and each ear component is movably electrically connected with one electric potential shielding structure.The connection mode is directly established between ear component and the metal body of rack body, the interference from external environment is small, the problems of loose connection and poor contact caused by vibration, corrosion and other factors are effectively avoided, the stability and reliability of grounding performance are greatly improved, and the safe operation under complex environment is ensured.