170results about How to "Increased installation flexibility" patented technology

The invention relates to the technical field of sensors, and discloses an inductive displacement sensor, which comprises a substrate, two pairs of rectangular receiving coils fixedly arranged on the surface of the substrate and a vortex linear exciting coil, an initial plane coordinate system is created by taking the center of the substrate as an original point, and the two receiving coils in each pair are arranged in parallel; the excitation coil is located on the side, away from the substrate, of the receiving coil and is parallel to the surface of the substrate. In the initial state, when the projection of the center point of the exciting coil on the substrate coincides with the original point of the initial plane coordinate system and the receiving coil has displacement in the xy plane relative to the exciting coil, the two pairs of coils output relative displacement in the x direction and the y direction respectively, and decoupling of the relative displacement in the two directions is achieved at the same time. Displacement measurement in two directions can be carried out at the same time, high-precision and high-stability measurement of displacement signals is achieved, the good dynamic response characteristic is achieved, and errors caused by movement of mechanical parts are reduced.

The invention discloses a cultural creative down lamp based on the Internet of Things and a control method thereof.The cultural creative down lamp comprises a down lamp shell, a lighting assembly is arranged at the lower end in the down lamp shell, an Internet of Things control module and a power module are arranged in the down lamp shell, a sensor module is further arranged outside the down lamp shell, and the sensor module comprises an ambient light sensor and a human body induction sensor; the sensor module is electrically connected with the Internet of Things control module, the upper end of the down lamp shell is rotationally connected with a mounting base through a damping rotating shaft, stable communication connection can be established between the cultural and creative down lamp and an external intelligent gateway, and then remote control is achieved; a plurality of LED lamp beads with different color temperatures in the lighting assembly cooperate with an ambient light sensor and a human body induction sensor, the lighting electricity consumption cost is reduced, the upper end of a down lamp shell is connected with a mounting base through a damping rotating shaft, and the down lamp can flexibly rotate to adjust the lighting angle due to the design of a rotating clamping base of the mounting base; and the adaptability and the flexibility of the down lamp in different installation scenes are improved.

The utility model discloses a control system adopting a wireless transceiver module to control a hydraulic tail board. The control system comprises a hydraulic tail board body, an intelligent tail board central controller and a wireless electric control operation box. The intelligent tail board central controller comprises a wireless communication module and a main control unit MCU. The output end of the wireless communication module is electrically connected with the signal input end of the MCU; the wireless electric control operation box comprises a wireless communication module and an input module, the control signal output end of the input module is electrically connected with the signal receiving end of the wireless transmitter, and the wireless communication module of the wireless electric control operation box is in communication connection with the wireless communication module of the intelligent tail board central controller. The wireless transceiver module is adopted to replace a traditional wired control mode, a control signal cable line in an original system is omitted, the product cost is reduced, the reliability and safety of the system are greatly improved, the maintenance convenience is improved, and the installation flexibility is enhanced.

The utility model belongs to the technical field of cable bridges, in particular to a cable bridge applied to an underground pipe gallery, which comprises a transverse bridge and a longitudinal bridge, a connecting arm is arranged between the transverse bridge and the longitudinal bridge, and the transverse bridge and the longitudinal bridge are connected through the connecting arm. Cable convenient arrangement mechanisms are arranged on the inner walls of the transverse bridge and the longitudinal bridge; the inner diameter of the threaded sleeve is the same as the inner diameter of the guide groove, the threaded heads are fixedly connected to the two ends of the flexible pipe, the ends of the flexible pipe are connected to the ends of the threaded sleeve in a threaded mode through the threaded heads, then a cable penetrates through the flexible pipe, and then the two ends of the flexible pipe are installed in the threaded sleeve through the threaded heads. Therefore, the protection performance of the cable can be improved, the stress concentration of the cable is reduced, the installation flexibility and convenience are improved, the protection level and the installation flexibility of the cable are improved, and the stability and reliability of a cable system can be maintained.

The utility model relates to the technical field of assembly type building components, and discloses an assembly type floor slab of an integrated line pipe, which comprises a floor slab main body and a reinforcing mesh, the reinforcing mesh is positioned in the floor slab main body, the end part of the reinforcing mesh extends towards the periphery and penetrates out of the floor slab main body, and at least one connecting hole communicated with a line pipeline is arranged on the surface of the floor slab main body. A line pipeline is pre-arranged in the floor slab body, a plurality of inner grooves are formed in the side face of the floor slab body, and the free end of the line pipeline penetrates out of the floor slab body to be located in the inner grooves. In practical application, the production and construction cost is reduced, and simple and quick installation of the assembly type floor slab is achieved.

The invention relates to the technical field of fabricated buildings, and provides a fabricated building steel structure connecting component which comprises a first mounting part, the first mounting part is arranged on a bearing column, the first mounting part is provided with a containing cavity and a sliding groove, the sliding groove communicates with the containing cavity, one end of the bearing column is located in the containing cavity, and a mounting cavity is formed by the bearing column and the inner wall of the containing cavity; the second mounting piece is provided with a limiting part and a sliding part, the sliding part is arranged in the sliding groove in a sliding mode, the limiting part is movably arranged in the mounting cavity, the limiting part abuts against or cancels abutting against the cavity wall of the mounting cavity after moving, the connecting piece is arranged on the first mounting piece and used for connecting the steel beam and the second mounting piece, and the fastening bolt sequentially penetrates through the steel beam and the connecting piece. And the first anti-loosening piece is arranged on the second mounting piece in a sliding mode, and the first anti-loosening piece clamps the fastening bolt after sliding and is used for preventing the fastening bolt from rotating. By means of the technical scheme, the problems that in the prior art, an assembly type building steel structure is poor in connecting effect and high in maintenance cost are solved.

The vertical grating ruler support comprises an adjustable support and a grating ruler installed at the top end of the adjustable support, the adjustable support is composed of a bottom frame, a top frame and an adjusting structure, the top frame is installed on one side of the bottom frame in a sliding mode, and the adjusting structure is arranged between the bottom frame and the top frame. The grating ruler is fixed on one side of the top end of the top frame; the adjusting structure comprises side seats, a movable frame, a limiting clamping rod and a limiting clamping hole, and the two side seats are symmetrically fixed to the left side surface of the bottom frame; by improving and optimizing a grating ruler bracket in the prior art, the adjustable bracket consisting of the bottom frame, the top frame and the adjusting structure is designed, so that an operator can change the length of the whole bracket by sliding the top frame up and down, thereby adjusting the height of the grating ruler in the vertical direction; the overall use and installation flexibility is improved, and different installation and use requirements are met.

The utility model discloses a ceramic wheel valve which comprises a valve body, a round valve element assembly is installed in the middle of a cavity of the valve body, and a valve rod used for being in matched transmission with the round valve element assembly is arranged in the middle of the valve body. The circular valve element assembly comprises a clamping spring, a bevel tooth bushing and a valve element, the bevel tooth bushing is installed on the periphery of the valve element, and the clamping spring is arranged between the bevel tooth bushing and the valve element in a sleeved mode. And the bevel tooth bushing is matched with a bevel gear at the tail end of the valve rod to form gear vertical transmission. A plurality of first flow holes are evenly distributed in the center of the valve element. A positioning column is installed in the center of the right valve seat in the axis direction and penetrates into a center hole of the valve element. A plurality of second flow holes with the same size as the first flow holes are evenly distributed in the end face of the end, close to the round valve element assembly, of the right valve seat. Angular travel transmission is achieved through transmission of the tail end of the valve rod and the special-shaped bevel gear on the outer contour of the round valve element assembly, the size of the valve is reduced, and installation flexibility is improved. Through the design that the valve element and the right valve seat correspond to the flow holes, buffering of media is achieved.

The utility model relates to the technical field of anchor rod support monitoring, and discloses a stress monitoring assembly for a pre-stressed anchor rod, a hoop port of one group of hoop pieces is rotatably connected with a tightening screw rod, and a hoop port of the other group of hoop pieces is provided with a buckle groove opposite to the tightening screw rod. And the stress sensor and the adjusting screw seat are screwed and fixed through a stress screw rod. According to the utility model, the two groups of hoop sleeve positioning assemblies are used for hoop positioning and are buckled on the anchor rod in a hoop manner, and then the two groups of hoop sleeve positioning assemblies are used as stress points, and the stress monitoring assembly is arranged between the two groups of hoop sleeve positioning assemblies; the prestress of the anchor rod is monitored in real time by utilizing the tensile stress sensing monitoring of the stress sensor, so that the anchor rod has the advantages of simple and convenient installation performance, higher installation flexibility and more convenience in subsequent disassembly and assembly, and the whole anchor rod can be disassembled without disassembly and assembly of anchor rod accessories.

The present invention relates to the field of ring network switch technology, specifically to a high-voltage AC metal-enclosed ring network switch device and a method of use, including a box body, a box door is arranged on the front of the box body, and the box door is rotatably connected in the box body through a door shaft. This high-voltage AC metal-enclosed ring network switch device and method of use, drives the main bevel gear to rotate through a handle, and uses the transmission bevel gear to drive the secondary bevel gear and the horizontal axis to rotate, and the cam that rotates with the horizontal axis pushes the support leg to slide outward along the through groove on one hand, and abuts against other objects to fix the box body, and pushes the other part to slide directly inward along the through groove, and clamps and fixes along the object inside the box leg. Compared with the existing plug-in lock with a preset base, the above-mentioned support leg that slides inside and outside can lock the box body along any fixed object without the need to pre-set a special connector for fixing, which can effectively improve the installation flexibility of the overall equipment, and can also improve the installation efficiency by installing it as it arrives.

The utility model discloses a real-time signal transmission device, which belongs to the technical field of signal transmission, and comprises an outer shell and an inner shell, the upper ends of the outer shell and the inner shell are open, the two ends of the inner wall of the outer shell are provided with sliding chutes, the two ends of the inner shell are fixedly connected with sliding blocks matched with the sliding chutes, and the sliding blocks are connected with the sliding chutes. A plurality of signal transmission interfaces are installed at the end, away from the outer shell, of the inner shell, first threaded holes are formed in the two ends of the outer shell, limiting screws are in threaded connection with the interiors of the first threaded holes, and a plurality of limiting holes arranged at equal intervals are formed in the two ends of the inner shell. Stepless adjustment of the internal capacity of the device is achieved, when the optical fiber cable is long, the inner shell can be stretched to enlarge the storage space, and signal attenuation caused by excessive bending of the cable is avoided; when the cable is short, the inner shell can be compressed to reduce the size of the device, and the installation flexibility and the space utilization rate are remarkably improved.

The utility model relates to a power distribution cabinet with a modularized structure, and relates to the technical field of power distribution cabinets, the power distribution cabinet comprises a cabinet body, each mounting plate module is detachably provided with cooling and heat dissipation terminal boxes in a vertically staggered manner, the top surface of each cooling and heat dissipation terminal box is provided with an inverted L-shaped hoisting rod, the free end of each L-shaped hoisting rod is provided with a temperature sensor, and the temperature sensor is connected with the cabinet body. The temperature sensor extends to the position between the electric devices in the inner cavity of the cabinet body and is used for monitoring the temperature in real time, each air supply pipeline is connected with the adjacent cooling and heat dissipation terminal boxes through hoses, and the heat dissipation air source module conveys air into the cooling and heat dissipation terminal boxes through the air supply pipelines and the hoses and discharges the air from outlets of the cooling and heat dissipation terminal boxes. And blowing and heat dissipation are carried out on the electric device whose heat accumulation is monitored. The air flow path can be accurately controlled according to information fed back by the temperature sensor, it is ensured that cooling air only flows to areas with abnormal temperature, the heat dissipation efficiency is improved, and energy is saved.

The utility model relates to the technical field of power transmission equipment, in particular to a multi-loop gas insulated cable branch joint, which comprises a box body, a sleeve, a mounting flange, a connecting bar, an SF6 pressure gauge and an incoming and outgoing line terminal, the incoming and outgoing line terminal is inserted in an inner hole of the sleeve, hardware fittings at the top of the sleeve are connected through the connecting bar, and the box body is a regular polyhedron. The central axis of each side surface is provided with one or three holes which are respectively suitable for single-core and three-core cables, the size of each hole is matched with that of a sleeve, and the holes can be used for insertion of incoming and outgoing line terminals; the upper end face of the box body is connected with an SF6 pressure gauge, the lower end face of the box body is closed, and a grounding terminal mounting hole is reserved outside the box body. And the loop can be reserved according to different construction time of the loop. Branching can be carried out according to the arrangement direction of the cable, the bending radius of the cable is reduced, and the occupied area is saved. The device is installed underground, can save earth surface land, and avoids external hidden dangers of normal operation of cable lines. The sleeve is preassembled in a factory, and only a plugging terminal needs to be manufactured on site, so that the installation is simple and convenient.

The invention relates to an electronic lock of a charging pile, which is characterized in that a movable terminal and a static terminal are arranged on one side of a transmission rod, and a lug rotating along with the transmission rod is used for controlling the connection or disconnection of the movable terminal and the static terminal, so that the function of sending a locking or unlocking signal by a microswitch is realized, and the situation that the microswitch is used for sending a signal can be avoided; and meanwhile, the mounting flexibility of the static terminal and the movable terminal is higher, the static terminal and the movable terminal can be conveniently arranged in the charging pile electronic lock, the size of the charging pile electronic lock can be further reduced, the winding cost of the charging pile electronic lock is further reduced, and meanwhile the assembling flexibility of the charging pile electronic lock in the charging pile is improved.

The utility model discloses a kitchen range's water pan structure, including water pan body, the water pan body is provided with burner avoidance hole and is used for connecting the mounting counter bore of water pan body and burner, the mounting counter bore is arranged aside the mounting hole, the mounting counter bore is detachably connected with the shield cap that is used for shielding the mounting connecting piece, the shield cap is detachably connected with the mounting connecting piece, and the mounting connecting piece is detachably connected with the mounting counter bore. According to the water pan, the mounting counter bore is formed in the water pan body, and the shielding cap is arranged in the mounting counter bore, so that mounting connecting pieces such as screws and nuts are effectively shielded, and the overall attractiveness of a stove is improved. By means of the design, after the cooker is installed, the appearance of the cooker is neater and smoother, no exposed installation part exists, and the high requirement of consumers for the appearance of the cooker is met.

The utility model belongs to photovoltaic support technical field especially has a photovoltaic support with waterproof function, including main body support, the bottom fixed mounting of main body support has fixed plate, the inboard fixed mounting of fixed plate has first movable axle, the surface movable mounting of first movable axle has support column. The rainwater on photovoltaic board is blocked by the water baffle, the protruding block in the secondary drainage is used for accelerating the flow guide, the water flow is collected finally from the main drainage to the drainage outlet, the above-mentioned parts can significantly reduce the risk of water penetration, prolong the service life of the support, the support column is connected with the fixed plate through the first movable axle, and the support base at the bottom of the supporting leg provides stable support, the hole and the fixed column realize height adjustment, the photovoltaic board is placed on the placing plate, is clamped into the fixed groove by the fixing device and is locked, the support column and the supporting leg can adapt to uneven ground, adjust different holes to improve the installation flexibility, and the fixing device ensures the firm installation of the photovoltaic board.

The utility model discloses a series connection double oil cylinder drive's car resister in tank, including hydraulic pump station, left car stop and right car stop still include the hanging basket of fixed in the cage bottom plate, be used for driving left drive oil cylinder, be used for driving right drive oil cylinder of left car stop, hydraulic pump station, left drive oil cylinder and right drive oil cylinder set up in the hanging basket, the piston rod cavity of left drive oil cylinder is linked with the piston cavity of right drive oil cylinder, constitutes the oil circuit series connection structure of left, right drive oil cylinder, hydraulic pump station is used to drive left drive oil cylinder, right drive oil cylinder synchronous telescopic, drives left car stop and right car stop synchronous opening and closing. The utility model discloses compact structure, and the space is small, satisfies the functional requirement of car resister in tank.

This utility model discloses an easy-to-install embedded vehicle charger, comprising: a main structure, with a cable inserted into the inner wall of the main structure, and a power source fixedly connected to the outer wall of the cable on the side away from the main structure; the main structure also includes a main housing. This utility model relates to the field of vehicle charger technology. This main structure, by using symmetrically arranged spring clips on the outer wall of the main housing, can be directly fixed to the rocker switch hole on the vehicle dashboard, eliminating the need for complex tools and professional installation procedures, greatly reducing installation difficulty and time costs. The waterproof rubber cover on the inner wall can completely cover the charging interface when not in use, effectively preventing dust, water stains, etc., from entering the charger and avoiding short circuits or other malfunctions caused by water ingress or foreign object intrusion.

The utility model discloses a kind of excitation system de-excitation cabinet internal environment monitoring system, including vertical support, control box, two horizontal supports and multiple sensors.The excitation system de-excitation cabinet internal environment monitoring system utilizes the installation mode of horizontal support and installation branch, can increase or decrease the corresponding sensor according to the monitoring needs of de-excitation cabinet internal environment, and adjust the position of sensor, realize the multipoint multi-parameter monitoring in de-excitation cabinet, ensure the reliability of de-excitation operation;Each sensor is installed using metal bellows, so as to facilitate adjusting the position and monitoring angle of sensor, with good installation flexibility;Wiring is carried out using vertical support, horizontal support and metal bellows, so as to ensure the regularity of electrical connection cable.

The invention discloses an aeration pipe mounting structure for a biochemical pool, which comprises an aeration pipe assembly and an air distribution pipe, the air distribution pipe is sleeved with at least one aeration pipe connector, the aeration pipe connector is connected with one end part of at least one aeration pipe assembly, and the other end part of at least one aeration pipe assembly is connected with the aeration pipe assembly. The other end of the aeration pipe assembly is connected with the bottom of the biochemical pool through a bottom connecting piece, the aeration pipe connector comprises an air distribution pipe, a threaded end head and a tail cover, the threaded end head and the tail cover are axially arranged at the two ends of the air distribution pipe respectively, and a poly-plastic microporous pipe coaxial with the air distribution pipe is arranged between the threaded end head and the tail cover. Sealing pieces are arranged between the two ends of the poly-plastic microporous pipe and the threaded end and between the two ends of the poly-plastic microporous pipe and the tail cover, the threaded end is used for being connected with an aerator pipe connector, and the tail cover is used for being connected with a bottom connecting piece. The aerator pipe mounting structure can solve the problems that an existing aerator pipe mounting structure is short in service life, prone to falling off, high in construction cost and low in efficiency.

The invention discloses a transformer, and particularly relates to a high-efficiency mute type transformer which comprises a body, the body comprises a central stand column and edge stand columns, the central stand column and the edge stand columns are wound with windings respectively, and fixing rings used for fixing the body are arranged on the upper side and the lower side of the body. By arranging the 8-shaped silicon steel sheets and reserving the gaps among the 8-shaped silicon steel sheets, the heat dissipation performance of the transformer is effectively enhanced, meanwhile, the eddy current effect is reduced, and the overall operation efficiency is improved. The ceramic ring is used as a fixing ring, and vibration and noise transmission can be effectively reduced due to the characteristics of ceramic materials. In addition, sponge blocks are installed at the air inlet hole and the air outlet hole of the box body, so that noise generated during air flowing and fan operation is further reduced.

The present invention discloses an anchoring device and method for a drilling-free FRP reinforcement structure, which relates to the technical field of concrete structure reinforcement, including a reinforcement structure and an anchoring device, wherein the reinforcement structure includes a concrete beam and an FRP sheet, an adhesive is provided between the concrete beam and the FRP sheet, the fixing device is provided outside the concrete beam and the FRP sheet, and the anchoring device includes a U-shaped anchoring steel plate, and the U-shaped anchoring steel plate is located outside the FRP sheet. The present invention uses high-strength bolts to connect the bottom U-shaped steel plate and the stepped reaction frame and the U-shaped anchoring steel plate, and by tightening the high-strength bolts, the U-shaped anchoring steel plate moves downward to anchor the FRP sheet, thereby avoiding drilling connection. The anchoring device is connected by high-strength bolts, so it is easy to disassemble and assemble, and has higher installation flexibility. Since drilling is not required, the original strength of the concrete beam will not be damaged, and the installation efficiency is also greatly improved.

The utility model discloses a clamping device for mounting a coupling special for petroleum drilling and production, which relates to the technical field of clamping of the coupling special for petroleum drilling and production and comprises a lifting plate, a clamping bottom plate is arranged above the lifting plate, two groups of supporting columns are fixedly arranged on the upper end face of the lifting plate, and two groups of supporting springs are fixedly arranged at the bottom of the clamping bottom plate. The supporting spring is movably arranged on the outer side of the supporting column in a sleeving mode, supports are fixedly arranged on the two sides of the clamping bottom plate correspondingly, clamping rods are rotationally arranged in the two supports correspondingly, each clamping rod comprises a clamping end and a moving end, the two clamping rods are oppositely arranged, and a hydraulic cylinder A is horizontally arranged below the clamping bottom plate; according to the clamping device for installing the coupling special for petroleum drilling and production, the clamping bottom plate is movably connected with the lifting plate through the supporting spring, when the coupling and the axis of a pipeline have tiny deviation, the clamping bottom plate can be manually adjusted to ensure that the pipeline can be smoothly screwed into the coupling, and the physical labor of workers is reduced; and the installation efficiency and the installation flexibility are improved.

This utility model relates to the field of heating equipment technology, and in particular to a clamp-on suspended heater, comprising a housing having a mounting cavity and a ventilation duct communicating with the mounting cavity, and a drainage hole on the outer wall of the housing; a suspension assembly mounted on the outer wall of the housing for suspending the housing; a heating assembly mounted within the mounting cavity; a ventilation assembly mounted within the mounting cavity with its outlet facing the heating assembly; and a control assembly mounted within the mounting cavity and electrically connected to the heating assembly and the ventilation assembly. This utility model facilitates quick fixing of the heater in a suitable position and reduces the impact of humid environments on the electrical circuitry.

The utility model belongs to the technical field of meteorological information acquisition, and particularly relates to a meteorological information acquisition device, which comprises a support rod, a detection box and a sensor, a storage box is mounted on the support rod, a groove is mounted on the storage box, a knocking frame is mounted in the groove, a spring is arranged on the inner wall of the storage box, and the sensor is arranged on the detection box. And the top end of the spring is fixedly connected with the knocking frame, a motor is installed in the storage box, the output end of the motor is connected with a cam, and knocking blocks are symmetrically installed on the supporting frame. According to the bird repelling device, the knocking frame is installed to repel birds, firstly, the motor is started to drive the cam to rotate, the cam pushes the knocking frame to ascend, then the spring drives the knocking frame to reset and impact the iron block to make sound, and therefore the birds are repelled from the sensor. Damage to the device caused by long-time staying of birds on the meteorological information acquisition device is avoided, and the service life of the meteorological information acquisition device is prolonged and the meteorological information monitoring accuracy is improved by installing the bird repelling device.

The invention discloses an automatic continuous cleaning device for a bottom drum coal body of a coal mine stoping roadway, which comprises a cleaning conveyor arranged on a rubber belt conveyor rack and positioned below a rubber belt conveyor and a control system arranged in the roadway, and the conveying direction below the cleaning conveyor is from back to front. A plurality of groups of cleaning assemblies for cleaning the floor drum are arranged on the cleaning conveyor at intervals, and the control system is electrically connected with the cleaning conveyor and the cleaning assemblies and is used for controlling the cleaning conveyor and the cleaning assemblies to work cooperatively, so that automatic and continuous floor drum cleaning of the whole device is realized. The whole device is arranged on the machine frame of the rubber belt conveyor and located below a coal rock conveying frame, mechanical cleaning of the floor heave below the rubber belt conveyor can be achieved, and normal work of the rubber belt conveyor cannot be affected. Meanwhile, the whole device is arranged below the coal rock conveying frame, no extra roadway space needs to be occupied, the space is saved, and the installation flexibility of the device is improved.

The utility model discloses a connecting structure and dam body monitoring devices, including fixed unit, be provided with the down pressure seat in fixed unit, the upper surface of fixed unit is equipped with the welding groove, wire holder, set up in the welding groove, wire integrated socket, set up in wire holder, wire holder and wire integrated socket between electric connection, install base, its lower end is located on fixed unit, receiver, set up the upper end of install base, lightning rod, set up one side of install base, through cooperation bolt and carry out the fixed structure of down pressure movement, can install base first installation and fixation after selecting good installation position, after completing installation, again through the base of upper end and line connection of installation, improve the installation convenience of device, can need to change installation position simultaneously, directly dismantle bolt and move overall structure, need not rewire, improve the installation flexibility of device.

The utility model discloses an impedance cabinet specially used for photovoltaic direct-current arc fault protection electric appliance detection equipment, which comprises a cabinet body frame and side cross beams arranged on the side surfaces of the cabinet body frame, and the cabinet body frame and the side cross beams are respectively provided with mounting holes arranged according to modulus. The side cross beams are arranged on the cabinet body frame through the mounting holes; the side cross beams are provided with fixed vertical plates located in the cabinet body frame, the front side of the cabinet body frame is provided with a front sealing plate, and the front sealing plate is provided with a plurality of rectangular openings used for accommodating modularized impedance network modules and / or line inductance modules. And one end, far away from the front sealing plate, of the modularized impedance network module and / or the line inductance module is fixed on the fixed vertical plate. The photovoltaic impedance cabinet simulates line impedance in an actual line after the power supply cabinet outputs voltage-stabilizing and constant-current direct current, and provides approximately constant high-voltage impedance for a system so as to ensure comparability of different measurement results.

The utility model relates to the technical field of permanent magnet generator discloses a low loss's permanent magnet generator, including the casing, the rear end threaded connection of casing has the back cover, the inside fixedly connected with bearing support of back cover, the front end threaded connection of casing has the front cover, the surface center of front cover inserts and is equipped with the bearing, the inner wall between bearing, bearing support rotatably connects with permanent magnet rotor, the inside of casing is provided with stator subassembly, and the outer surface between casing and stator subassembly is provided with the heat dissipation component. In the utility model, through stator subassembly, heat dissipation component, be equipped with a plurality of mounting recesses on the coil support of stator frame, the heat exchange square tube with the heat exchange fin is built -in, and is connected through the shunt connector. Under the action of circulating pump, the cooling liquid in cooling liquid tank can circulate in the heat exchange square tube connected with the shunt connector, thereby the heat of the inside of casing is heat exchanged and is cooled down, reduces the heat loss of generator, prolongs its life.

The utility model discloses an explosion-proof control cabinet which comprises a shell and a multi-element integrated assembly, a plurality of supporting legs are fixedly arranged at the bottom of the shell, an opening and closing opening, a lower rotating opening and an upper rotating opening are formed in the shell, an opening and closing door, a rotating ring and a rotating disc are arranged in the opening and closing opening, the lower rotating opening and the upper rotating opening respectively, an air inlet pipe is arranged on the rotating ring, and an air outlet pipe is arranged on the rotating disc. An exhaust fan and an air outlet pipe are arranged on the rotating disc, and a transmission shaft is rotationally arranged on the shell through two supporting plates. According to the utility model, through the design that the air inlet pipe and the air outlet pipe can be rotated to adjust positions, the explosion-proof control cabinet can effectively avoid various obstacles such as industrial pipelines, other equipment or building structures on an installation site. No matter in a narrow underground pipe gallery or an equipment compartment with dense space, the pipeline layout can be flexibly adjusted, it is ensured that the air inlet and the air outlet are located at the optimal ventilation position, and the installation flexibility and applicability of equipment in the complex environment are remarkably improved.