72 results about "Fixed capacitor" patented technology

The invention belongs to the technical field of unmanned aerial vehicle full-aviation electromagnetic detection, and particularly relates to a full-aviation frequency domain electromagnetic emission system and a control method. A broadband frequency mixing and matching circuit is connected in series between an H-bridge power inverter and an emission coil of an unmanned aerial vehicle electromagnetic emission system; the broadband mixing and matching circuit comprises a first resonance unit formed by connecting a fixed capacitor and an adjustable inductor in parallel and a second resonance unit formed by connecting a fixed capacitor and an adjustable inductor in parallel, and the first resonance unit and the second resonance unit are connected in series. The adjustable inductor is matched with the dynamic impedance of the inductive load by adjusting the inductance value, and the broadband frequency mixing and matching circuit can adjust the impedance in real time, so that the matching of different resonant frequencies is realized, and the frequency range of a matching signal can be obviously widened.

The utility model discloses a capacitor service life test clamp, and relates to the technical field of capacitor detection, the capacitor service life test clamp comprises a clamping box with one end provided with an opening, a clamping structure is arranged in the clamping box, and four corners of the upper and lower surfaces of the clamping box are fixedly connected with connecting rods. Through cooperative arrangement of the clamping box, the first clamping hole, the clamping plate, the second clamping hole, a spring and other structures, during use, the clamping plate is pushed to enable the first clamping hole and the second clamping hole to be aligned, the middle section of the capacitor penetrates through the first clamping hole and the second clamping hole, the clamping plate is loosened, the clamping plate moves under the action of the elastic force of the spring, and the capacitor is clamped. The inner walls of the first clamping hole and the second clamping hole clamp the capacitor from the two sides, the end of the capacitor is not subjected to clamping acting force, and it is avoided as much as possible that when a traditional test clamp fixes the capacitor, certain pressure is applied to the two ends of the capacitor, oxidation or falling off of a tin coating at the end of the capacitor is likely to be accelerated, weldability of the capacitor is reduced, and the service life of the capacitor is prolonged. And the reliability of the capacitor is influenced.

The invention discloses an edge trimming mechanism for machining an aluminum capacitor shell, and relates to the technical field of aluminum capacitor shell machining. The edge trimming mechanism comprises a base, a stand column is arranged on the base, a top plate is fixed to the top end of the stand column, and an edge trimming assembly is arranged below the top plate. In the trimming assembly, a movable plate is arranged on the inner side of a lifting frame, and a structure capable of adjusting the distance between two grinding columns is arranged on the bottom face of the movable plate so as to adapt to shells of different thicknesses. An electric sliding rail and an electric sliding block on the inner side of the lifting frame drive a moving plate to horizontally move to adapt to shells with different diameters; the motor drives the screw rod to drive the lifting frame to vertically move, so that the grinding column can be clamped into the shell sections with different heights. The second motor is driven through a gear and a chain to form an acceleration gear structure to accelerate rotation of the polishing column. A rotating mechanism is further arranged on the base, the electric rotating table drives the clamped and fixed capacitor to rotate and is matched with the trimming assembly, efficient trimming and polishing of the inner side and the outer side of the tangent plane of the capacitor are achieved, and production benefits are improved.

The utility model discloses an explosion-proof capacitor cover plate fastening device, which comprises a capacitor, the top surface of the capacitor is movably connected with a cover plate, the side surface of the cover plate is fixedly connected with a fixed plate, the outer surface of the fixed plate is provided with a fixed protection mechanism, and the inside of the side surface of the fixed protection mechanism is provided with a heat dissipation unit. According to the utility model, the protective cover is fixed in the case through the mounting plate and is positioned on the outer surface of the fixed capacitor, so that the capacitor can be prevented from being damaged due to collision and influencing the normal operation of the capacitor, and the heat dissipation effect on the capacitor can be enhanced by fixing the heat dissipation unit on the side surface of the fixed protective mechanism and fixing the heat dissipation unit through bolts; the service life of the capacitor is prolonged, the movable baffle is taken out from the interior of the buckle, the fixing plate on the side face of the cover plate is clamped into the interior of the back plate, the movable baffle is inserted into the interior of the buckle again, the movable baffle is fixed, and it can be guaranteed that the cover plate cannot shake through cooperation of the movable baffle and the back plate.

The utility model discloses a capacitor explosion-proof housing, which relates to the technical field of capacitor explosion-proof housings and comprises a top cover, the bottom of the top cover is fixedly connected with a spring, and the bottom of the spring is fixedly connected with a turntable. According to the utility model, the capacitor body is placed in the side plate from the upper part of the side plate, the bottom part of the capacitor body is enabled to fall above the base, the effect of limiting the bottom part of the capacitor body is achieved, and the inner side of the top cover is rotated outside the top of the side plate, so that the top cover is pressed downwards, the spring moves downwards, and the spring drives the turntable to rotate; the rotating shaft rotates relative to the limiting cylinder, the effect that rotation of the rotating disc and the top cover is not affected when the limiting cylinder moves downwards is achieved, the limiting cylinder moves to the top of the capacitor body and extrudes the capacitor body under the elastic force effect of the spring, and the effect of limiting the upper end of the capacitor body is achieved. And the effect of fixing the capacitor body in the explosion-proof shell is achieved.

The utility model discloses an infrared induction transmission device for a packaged capacitor, and relates to the technical field of capacitor appliances. One side of the upper belt wheel mechanism is provided with an adjustable belt wheel body, the adjustable belt wheel body is provided with a damping guide wheel and a pressing block mechanism, the front end of the conveying platform is provided with a conveying belt mechanism, the outer front side of the conveying belt mechanism is provided with a capacitor driving mechanism, and the right side of the conveying platform is provided with a buffer guide wheel mechanism. A capacitor winding mechanism is mounted on the right upper side of the rack, and an infrared sensing mechanism is arranged on the right side of the capacitor winding mechanism; according to the utility model, the conveying belt mechanism is used for conveying the capacitor, and the capacitor driving mechanism is used for driving the capacitor, so that the capacitor can be arranged between the upper adhesive tape and the lower adhesive tape and is convenient to fix; the fixed capacitor is wound through the capacitor winding mechanism, after winding, the wound capacitor is sensed through the infrared sensing mechanism, whether winding is in place or not can be detected conveniently, and detection is accurate.

The utility model relates to the technical field of capacitor supporting foot shearing, in particular to a supporting foot shearing device for charging pile film capacitor production, which comprises a supporting table for supporting the whole device, and a fixing mechanism for limiting and fixing a capacitor is arranged on the supporting table. One side of the fixing mechanism is provided with a shearing mechanism used for shearing a single capacitor supporting foot. By arranging the fixing mechanism, the device can fix and shear a single capacitor supporting leg, the distance between the two connecting plates is adjusted by controlling the two electric telescopic rods a, and the distance between the two adjusting plates on the same connecting plate is adjusted through the two bidirectional screws. According to the device, the multiple fixing rods are arranged, so that the sizes of the multiple fixing rods can be suitable for cylindrical capacitors of different specifications, a single capacitor is fixed and machined, meanwhile, the overall occupied area of the device is small, the device is more suitable for shearing of small-number-scale capacitor supporting feet, and loss is small.

The utility model belongs to the technical field of capacitor performance detection, and particularly relates to a capacitor voltage withstanding performance detection device, which comprises a detection shell, a clamping part for positioning a capacitor is arranged in the detection shell, a communication part fixed with a pin of the capacitor is arranged in the detection shell, and the clamping part is fixedly connected with the communication part. A detector is arranged at the lower end of the detection shell, the communication component is electrically connected with the detector through a connecting wire, a plurality of capacitors of the same specification or different specifications can be placed on the detection shell, the capacitors of different specifications are fixed through the clamping component, and the capacitors are electrically connected with the detector through the communication component and the connecting wire. The detector detects the voltage withstanding performance of the capacitor.

Fixed capacitor (10) for an electronic device of a motor vehicle, in particular a power converter (12) for the electric drive of the motor vehicle, with a case (24), a first electrode (16) provided inside the housing (24), a second electrode (18) separated from the first electrode (16) by an intermediate space (20) and cooperating with the first electrode (16) to generate an electric field inside the housing (24) and a dielectric provided in the space (20), the housing (24) has an inlet (32) communicating with the space (20) and an outlet (34) communicating with the space (20), and the dielectric is a coolant (28) of the motor vehicle, wherein at least one electrically non-conductive spacer is arranged in the space (20) to define a distance between the first electrode (16) and the second electrode (18), wherein within the space (20) a flow path for the coolant (28) leading from the inlet (32) to the outlet (34) is kept clear and in the space (20) an electrically non-conductive porous body (22) is provided to form the spacer, wherein the porous body (22) has a sponge-like structure.

The present application belongs to the technical field of electromagnetic detection, and relates to a composite impedance matching network of a controllable source electromagnetic exploration system and a design method. The composite impedance matching network comprises a topology structure of a CIMN composed of a fixed capacitor CF and an ICLC part in series, and is integrated in a transmitting system of the controllable source electromagnetic exploration system. The CIMN adopts a new combined matching method and related optimization design, improves the wideband current transmission performance in terms of compensation range and power loss, proposes a new combined matching topology structure, and illustrates the corresponding wideband matching function through mathematical derivation and analysis. In combination with the wideband transmission requirement of the controllable source electromagnetic method and the limited power supply condition, a parameter optimization scheme and a control strategy of the composite impedance matching network are designed. The CIMN can better adapt to the wide working frequency range of the CSEM transmitter, improve the matching bandwidth, and reduce the power loss.

Unit converters each comprises a capacitor, a switching element having a flat surface on one side, a P-pole connection conductor where a second terminal hole at one end for fixing an electrode corresponding to a P-pole of the switching element and a first terminal hole at the other end for fixing a terminal of the capacitor are formed, and an N-pole connection conductor where a second terminal hole at one end for fixing an electrode corresponding to a N-pole of the switching element and a first terminal hole at the other end for fixing a terminal of the capacitor are formed. The unit-converters each including the connection conductors arranged to overlap in the thickness direction with their insulation maintained make the cooling surfaces of the switching elements be opposed to each other with a cooling device therebetween.

In one embodiment, an RF impedance matching circuit is disclosed. The matching circuit includes at least one electronically variable capacitor (EVC). Each EVC includes fixed capacitors, each of the fixed capacitors having a corresponding switching circuit for switching in and out the fixed capacitor to alter a total capacitance of the EVC. Each switching circuit includes a switch operably coupled to the fixed capacitor to cause the switching in and out of the fixed capacitor. The switch includes at least one string of series-connected PIN or NIP diodes. For each string, at least one of the diodes of the string has a balancing capacitor parallel to the diode.

The utility model discloses a surface-mounted solid aluminum electrolytic capacitor, which comprises a base and a capacitor shell, a fixing seat is arranged on the top surface of the base, a capacitor core is arranged in the capacitor shell, a fixing assembly used for fixing the capacitor core is arranged in the capacitor shell and located at the bottom of the capacitor core, the fixing assembly comprises a connecting shell, and the connecting shell is connected with the base. A movable groove is formed in the connecting shell, the screw is separated from the threaded connection with the threaded groove in the surface of the positioning rod by screwing the screw, so that the top cover can be taken out from the top of the capacitor shell, the conductive column is pulled upwards, the conductive column drives the clamping block at the bottom of the capacitor core to be separated from the clamping connection with the two sets of clamping hooks, and the capacitor core can be taken out from the capacitor shell. The capacitor is simple in structure and convenient to disassemble, the problem that the whole capacitor needs to be replaced when the capacitor core is replaced is avoided, the base is welded and fixed to the circuit board, disassembly and replacement are convenient, the capacitor shell can be repeatedly used, and cost is greatly reduced.

To provide a capacitor module capable of improving heat dissipation while ensuring insulation.SOLUTION: The capacitor module 23 includes a metal case 30, capacitor elements 40, bus bars 50, a frame body 60, and a sealing body 70. The frame body 60 has a holding part interposed between the metal case 30 and the capacitor element 40 so as to hold the capacitor element 40 to which the bus bar 50 is connected. The sealing body 70 includes a material having higher thermal conductivity than the frame body 60, and seals the capacitor element 40, a part of the bus bar 50, and at least a part of the frame body 60. The holding part has a hole 64 for heat radiation. The capacitor element 40 and the bus bar 50 are thermally connected to the metal case 30 through the sealing body 70 disposed in the hole 64.SELECTED DRAWING: Figure 7

The application discloses a structure for preventing and removing ice on a fan blade, comprising a pulse electric heating structure and a super-hydrophobic interface structure, wherein the pulse electric heating structure comprises a heat insulation layer arranged on a blade base, an electrically conductive belt and a temperature sensor embedded in the heat insulation layer, and a heating layer and an encapsulation layer arranged on the heat insulation layer in sequence; the pulse electric heating structure further comprises a power supply, a fixed capacitor, a relay and a temperature controller; the super-hydrophobic interface structure comprises a double-scale array structure arranged on the encapsulation layer, the double-scale array structure comprises a surface micrometer array structure and a surface nanometer array structure, a deposition strengthening structure is arranged on the double-scale array structure, and a chemical group is grafted on the deposition strengthening structure. The application can delay the icing time, shorten the ice melting time, significantly prolong the icing time of the fan blade in winter, reduce the shutdown loss, and can be widely applied to the prevention and removal of ice on the fan blade in winter.

The article is an electronic component module with a built-in capacitor. The capacitor can be easily accommodated and fixed using the capacitor accommodating wall and capacitor accommodating protrusions of the part for which the design registration is sought.

Single-chip solutions and associated methods that lead to significantly higher capacitance densities than are achievable with current on-chip solutions and that reduce the footprint of a mounting structure. Embodiments of the present invention use vertical stacking to attach one or more discrete embeddable capacitors to an IC chip superstructure or base structure and to establish electrical connections between the discrete embeddable capacitors and the IC chip, either sequentially or simultaneously. The methods according to the invention are compatible with CMOS fabrication temperatures for the IC chip, while allowing the use of capacitors fabricated by other methods that may require significantly higher temperatures. The methods according to the invention enable the connection of relatively large capacitances (e.g.,~0.5 µF - 1 µF) to an IC chip without increasing the two-dimensional area requirement of the IC chip. Some embodiments include reconfigurable discrete / fixed capacitors and / or discrete / fixed capacitors with vias (as opposed to capacitor electrode terminals) for connecting circuits.

The utility model discloses a capacitor mounting base plate, which is used for mounting a capacitor and comprises a base plate main body, a plurality of supporting arms are arranged on the periphery of the inner surface of the base plate main body in a vertical extending manner, and a cavity for mounting the capacitor is defined by the inner sides of the plurality of supporting arms; an open groove penetrating through the inner surface of the seat plate main body and the outer surface of the seat plate main body is formed in the seat plate main body; a terminal guide groove is formed in the outer surface of the seat plate main body; and a terminal welding placement groove connected with the terminal guide groove is formed in the bottom surface of the seat plate main body and is used for placing a welding end of a capacitor leading-out terminal. According to the capacitor mounting base plate, the capacitor can be stably and firmly mounted and fixed on the circuit board, so that the capacitor mounting base plate can adapt to various complicated application environments with bumpiness and vibration.

PROBLEM TO BE SOLVED: To easily perform the regulating work of resonance frequency at a low cost by mounting a socket or connector on a coil conductor, and attachably and detachably mounting a capacitor board having a capacitor thereon on the socket or connector.SOLUTION: An RF coil for MRI 100 comprises to coil conductor 1 having the fixed capacitor 2, and the socket 3 provided on a part of the coil conductor 1. The capacitor board 10 having a fixed capacitor 11 thereon is mounted on the coil conductor 1 attachable to and detachable from the socket 3. The used fixed capacitor 2 shares the fixed portion of the resonance frequency, and the fixed capacitor 11 is provided in order to share the variable portion of the resonance frequency, The socket 3 has a number of pins raised thereon, and the pins are inserted to a number of holes of the capacitor board 10. whereby the coil conductor 1 is electrically connected to the capacitor 11.

The utility model belongs to the technical field of power capacitors, and particularly relates to a power capacitor with high safety performance, which comprises a capacitor main body, and is characterized by further comprising a fixing mechanism which is arranged at the bottom of the capacitor main body and used for fixing the capacitor main body, and the fixing mechanism comprises a positioning plate of which one end is rotatably provided with a screw rod; a first through hole for the screw rod to penetrate through is formed in one end, close to the positioning plate, of the adjusting plate; the replaceable part is arranged on the adjusting plate, a threaded hole matched with the screw rod is formed in the center of the replaceable part, and the threaded hole communicates with the first through hole; the positioning plate and the adjusting plate are respectively provided with an arc-shaped groove matched with the capacitor body. The replaceable part has the beneficial effects that only the replaceable part can be replaced when the thread is worn, and the whole adjusting plate does not need to be replaced, so that the maintenance process is simplified, and the cost is reduced.

The application discloses a GFSK modulation method and circuit for VCO non-linear compensation, aiming at solving the modulation frequency deviation instability problem of a voltage-controlled oscillator in a two-point modulation architecture caused by control voltage fluctuation and frequency band switching. The application adds a compensation capacitor group matched with the main tuning capacitor characteristics to the FSK_MOD module, so that the capacitance value changes synchronously with the control voltage to offset the total capacitance drift of the resonant cavity; meanwhile, the output voltage of the DAC module is dynamically adjusted based on the frequency band control signal to real-time suppress the influence of the load capacitance jump across the frequency band. The corresponding circuit integrates the series compensation capacitor and the fixed capacitor in the FSK_MOD module to form a compensation branch, and configures the compensation current injection end with the operational amplifier. By using the application, the modulation frequency deviation can be stably maintained within the tolerance range required by the Bluetooth protocol in the whole working frequency band, and the anti-adjacent channel interference ability and data transmission reliability of the wireless communication system are greatly improved.

The invention provides an airborne fuel tank capacitance sensor measuring method, which belongs to the technical field of capacitance sensors, and specifically comprises the following steps: replacing a to-be-measured capacitor with a fixed capacitor on the basis of an actual airborne fuel tank capacitance sensor signal acquisition circuit to obtain a reference acquisition circuit; cutting off the excitation signal source, and obtaining excitation voltage values and feedback voltages output by the actual acquisition circuit and the reference acquisition circuit; acquiring an excitation voltage value and a feedback voltage output by the actual acquisition circuit and the test acquisition circuit in the same excitation state when the actual acquisition circuit works; calculating the compensation coefficient of the reference acquisition circuit after the difference between the excitation state and the excitation disconnection and the acquired voltage signal, and calculating the capacitance value of the capacitor to be measured in the actual airborne fuel tank capacitance sensor signal acquisition circuit according to the compensation coefficient; according to the processing scheme, the precision of the measurement result of the airborne oil tank capacitive sensor is improved.

This invention belongs to the field of nuclear magnetic resonance (NMR) probe technology and discloses an adjustment device and method for an NMR probe, as well as an NMR probe. The adjustment device for the NMR probe includes: a first adjustable capacitor assembly comprising multiple fixed capacitors and multiple contacts, one end of each fixed capacitor being electrically connected to one of the contacts, and the other ends of the fixed capacitors being interconnected and used for electrical connection to the circuitry of the NMR probe; a first driving assembly comprising a first driving element and a connecting element, the connecting element being used for electrical connection to the circuitry of the NMR probe, and the first driving element driving the connecting element to move so that the connecting element selectively connects to one of the contacts; and a comparison assembly electrically connected to the first driving element, used to acquire the driving current of the first driving element and output a first comparison signal based on the jump in the driving current, wherein the first comparison signal is used to control the first driving element to drive the connecting element to select the target contact.

This invention provides a chip-type electrolytic capacitor that forms a sufficient resin layer between the capacitor body and the base plate. [Solution] A chip-type electrolytic capacitor comprising a bottomed cylindrical outer case in which a capacitor element is housed, a sealing body that seals the opening thereof, a capacitor body having lead terminals connected to the capacitor element and penetrating the sealing body, and a seat plate 3 positioned opposite the sealing body to hold the capacitor body, wherein the seat plate has a seat plate body portion 31 and a seat plate peripheral wall portion 32 formed around it, a pair of insertion holes 33 through which lead terminals are inserted are formed in the seat plate body portion, a plurality of radial grooves 341 extending radially from the center of the inner bottom surface toward the seat plate peripheral wall portion are formed on the inner bottom surface 34 of the seat plate body portion opposite the sealing body, resin is filled between the seat plate and the capacitor body, and the resin filled in each of the plurality of radial grooves can flow through the center of the inner bottom surface, thereby filling the space between the seat plate and the capacitor body with resin more uniformly.

A capacitor voltage withstanding testing device comprises a testing box, a plurality of detachable capacitor clamps are arranged in the testing box, each capacitor clamp comprises a clamp shell, a guide column is installed in the clamp shell, a clamping plate is connected to the guide column, a spring is arranged between the clamping plate and the bottom of the clamp shell, a connecting base is arranged at the top of the clamp shell, and the connecting base is connected with the clamping plate. The connecting seat is provided with an electrode interface, the electrode interface is led out through a connecting wire, the bottom of the clamp shell is provided with a connecting screw, the tail end of the connecting wire is connected with the connecting screw, the test box is internally provided with a guide rail, the surface of the guide rail is embedded and connected with a conductive copper bar, and the bottom of the connecting screw is in contact with the conductive copper bar. According to the utility model, the capacitor is clamped and fixed by the capacitor clamp, the test is more stable, the capacitor is clamped by the elastic clamping plate, different types of capacitors can be tested, and in addition, the capacitor clamp and the test box adopt a detachable structure, so that the fault capacitor clamp is convenient to replace.

The invention relates to a radio frequency power matcher, in particular to a radio frequency power matcher topology network. The radio frequency power supply matcher mainly solves the technical problems that an existing radio frequency power supply matcher is difficult to match with low-pressure low-power cavity impedance and the cost of matching network components is high. The network comprises an adjustable capacitor, an adjustable capacitor, a fixed inductor and a fixed capacitor. One end of the fixed inductor is connected with one end of the adjustable capacitor, and a connected node is used as a network input end RFin; the other end of the fixed inductor is connected with one end of the adjustable capacitor, and the other end of the adjustable capacitor is grounded; the other end of the adjustable capacitor is connected with one end of the fixed capacitor, and the other end of the fixed capacitor is used as a network output end RFout. According to the invention, the technical problems that the impedance of a low-pressure and low-power cavity is difficult to match and the cost of matched network components is high are solved by connecting the proper fixed inductor to the adjustable capacitor of the parallel branch in series and connecting the proper fixed capacitor to the adjustable capacitor of the series branch in series.

The utility model relates to the technical field of power capacitors, and discloses an integrated power capacitor, which comprises a mounting plate I. The upper surface of the mounting plate I is fixedly connected with a lower shell, the lower shell is internally provided with a mounting plate II, and the upper surface of the mounting plate II is fixedly connected with a capacitor main body. A fixing mechanism is arranged in the second mounting plate and used for mounting and fixing the capacitor body, a protection assembly is arranged on the side wall of the lower shell and used for protecting the capacitor body, the fixing mechanism comprises a mounting shell, a sliding rod is slidably connected into the mounting shell, and one end of the sliding rod is fixedly connected with a first handle. A fixing ring is fixedly connected to the interior of the mounting shell, and the side wall of the sliding rod is slidably connected to the interior of the fixing ring. According to the quick dismounting device, the sliding rod slides downwards to push the fixing block to move downwards by pressing the first handle, so that the first clamping block is pushed by the push plate to rotate, the second mounting plate is fixed by the first clamping block, the quick dismounting effect is achieved, and the working efficiency of the quick dismounting device is improved through the structure.

The utility model belongs to the field of capacitor connection, particularly relates to an aluminum electrolytic capacitor with stable connection, and provides the following scheme aiming at the problems that the existing aluminum electrolytic capacitor cannot provide stable support during welding, so that the aluminum electrolytic capacitor is easy to shake or shift in the welding process, and insufficient welding and solder skips are caused. Positive and negative leads are symmetrically and electrically arranged at the bottom of the capacitor body; the capacitor body is provided with a supporting assembly, the supporting assembly is used for fixing and supporting the installed capacitor body, the supporting assembly is further provided with a fixing assembly, and the fixing assembly is used for fixing the position of the capacitor body to facilitate welding. Through combination of the supporting assembly and the fixing assembly, stable supporting and accurate positioning can be provided for the capacitor body in the welding process, continuous protection can be provided for the capacitor body after welding, and the welding quality and the operation efficiency are remarkably improved.

The utility model discloses an end sealing device of a chip multilayer ceramic capacitor, the end sealing device comprises a containing box and two sliding plates moving up and down above the containing box, the number of the sliding plates is two, the opposite surfaces of the two sliding plates are detachably provided with connecting strips, the opposite surfaces of the two connecting strips are rotatably provided with fixing plates used for fixing the capacitor, and the fixing plates are fixedly connected with the containing box. A connecting groove is formed in the side, close to the fixing plate, of the connecting strip, and a T-shaped rod inserted into the connecting groove is movably arranged on the side, close to the connecting strip, of the fixing plate. By arranging the rotatable fixing plate, the capacitor on the fixing plate can rotate to adjust the orientation, and by arranging the T-shaped rod and the second spring, the fixing plate can be fixed after rotation, the positions of the two ends of the capacitor on the fixing plate can be exchanged, and end paste coating of the two ends of the capacitor is facilitated.

The invention relates to the technical field of optical communication, in particular to a micro-electro-mechanical and optical communication system, equipment, a deflection angle detection method and a medium. The micro-electro-mechanical system includes: a micro-mirror on which at least one deflection shaft is mounted; the at least one group of driving electrodes comprises a first electrode plate and a second electrode plate which are opposite in polarity and are oppositely arranged, and one of the first electrode plate and the second electrode plate is positioned on the non-reflecting surface of the micromirror; the at least one detection electrode plate is located on the plane where the first electrode plate or the second electrode plate is located or located between the first electrode plate and the second electrode plate; each driving electrode and the corresponding detection electrode plate are connected in parallel and then are connected with the driving circuit, and the driving circuit is used for providing driving voltage for the driving electrode and at least one detection electrode plate; and at least one fixed capacitor is connected in series between each detection electrode plate and the driving circuit. According to the invention, the manufacturing cost and the manufacturing difficulty can be effectively reduced while the deflection angle of the micromirror is detected in real time.