50results about How to "Clear operation" patented technology

The invention discloses a gene RBOHB and application of the gene RBOHB in regulating and controlling waterlogging stress to induce cucumber adventitious root formation, a novel gene RBOHB for inducing cucumber adventitious root formation is identified, the adventitious root formation capability of an edited mutant of the gene RBOHB is weakened, the extension of the adventitious root is obviously inhibited, and the adventitious root formation capability of an overexpressed mutant is enhanced. The gene RBOHB disclosed by the invention is used for regulating and controlling the waterlogging tolerance of cucumbers, and has important application value in screening and improving waterlogging-tolerant germplasm resources of the cucumbers and breeding waterlogging-tolerant varieties of the cucumbers. The cucumber is subjected to transgenic genetic transformation through a gene editing technology and a gene overexpression technology, the cucumber waterlogging tolerance regulation gene RBOHB and application of the cucumber waterlogging tolerance regulation gene RBOHB in waterlogging tolerance cucumber varieties are provided, and the cucumber waterlogging tolerance regulation gene RBOHB has important application value in the field of breeding of resistant cucumbers.

The invention discloses a zinc gallate film prepared by a two-step method, and a preparation method and application thereof, and belongs to the technical field of semiconductor materials. The invention provides a method for preparing a zinc gallate film through a two-step method. The method comprises the following steps that a C-face sapphire substrate is pretreated, surface impurities and water are removed, and a pretreated sapphire substrate is obtained; mixing the gallium acetylacetonate solution and the zinc acetylacetonate solution, adding hydrochloric acid, stirring until the mixture is completely dissolved, and standing to obtain supernatant liquid; under the normal pressure condition, inert gas is used as current-carrying gas, the supernatant liquid is subjected to ultrasonic atomization treatment and then conveyed to the surface of the pretreated sapphire substrate, a nucleating layer is formed through deposition at the temperature of 500-550 DEG C, then the temperature is increased to 600-650 DEG C, an epitaxial film is formed through deposition, and the single crystal spinel zinc gallate thin film is obtained. The zinc gallate thin film with higher quality is prepared through a two-step method.

The invention discloses semi-automatic multi-purpose level meter calibration detection equipment and a semi-automatic multi-purpose level meter calibration detection method. The semi-automatic multi-purpose level meter calibration detection equipment is suitable for a magnetic flap remote transmitter, a magnetostrictive liquid level meter, a floating ball liquid level meter, a radar level meter, an ultrasonic level meter and the like. The device is composed of a bottom plate, an operation control processing unit and a material level simulation device. The operation control processing unit comprises an operation table, an integrated computer, a recorder, a laser range finder and a motor drive adjusting device. The level simulation device comprises a movable reflection target and a sliding hard rail which are used for a non-contact instrument, and a magnetic sliding heavy hammer and a measurement probe rod support which are used for a contact instrument. Through cooperative work of the laser range finder and the motor driving assembly, the equipment can collect 4-20 mA signals in real time, generate a signal curve and carry out visual analysis, single-person efficient operation is achieved, the industrial requirement for high-precision calibration and detection of the material level instrument is met, and the production and maintenance efficiency is improved.

The application discloses a kind of preparation methods of south Shaanxi flavor bean curd, belong to the technical field of soy products processing.The method includes time selection, acid water production, embryo production, embryo natural fermentation, seasoning production and fermented bean curd pickling and the like steps, under the natural temperature conditions in south Shaanxi region winter, using the acid water obtained by vegetable natural fermentation to point slurry, and under the condition of not inoculating artificial culture strain, solid-state natural fermentation and post-ripening fermentation are carried out to the embryo.By solid-state fermentation and continuous post-ripening, the stable flavor and good texture of bean curd are formed without relying on food additives.The process flow of the method is clear, the operation condition requirement is low, the finished product flavor is mellow, the nutrition conversion is sufficient, and the method has good safety, repeatability and popularization and application value.

The invention discloses a preparation method of carbon black standard pollution cloth, which comprises the following steps: (1) boiling off sample cloth which is subjected to desizing treatment and cut according to requirements at high temperature, carrying out secondary desizing treatment, and finally ironing the sample cloth to be dry; (2) preparing a carbon black pollution solution, namely uniformly mixing the following components in parts by mass: 1.05 to 1.15 parts of peregal O-25, 1.9 to 2.1 parts of carbon black powder, 5.9 to 6.1 parts of gum arabic powder, 6.9 to 7.1 parts of sodium carboxymethyl cellulose and 1250 to 1300 parts of soft water, so as to prepare a basic pollution solution, wherein the basic pollution solution is prepared from 1.05 to 1.15 parts of peregal O-25, 1.9 to 2.1 parts of carbon black powder, 5.9 to 6.1 parts of gum arabic powder, 6.9 to 7.1 parts of sodium carboxymethyl cellulose and 1250 to 1300 parts of soft water; and then adding soft water preheated to 60-65 DEG C into the basic pollution liquid until the pollution liquid reaches 2000 parts by mass, thereby obtaining the carbon black pollution liquid, (3) sample cloth dyeing: adding soft water into the carbon black pollution liquid to prepare a diluted pollution liquid; pouring the diluted pollution liquid into an enamel plate, clamping the sample cloth with tweezers, and immersing the sample cloth into the diluted pollution liquid from the front end of the enamel plate for pull dyeing; and clamping the dyed polluted cloth for steaming, and then putting the steamed polluted cloth into a moisture-proof cabinet for drying.

The invention discloses an inhaul cable connecting device and an inhaul cable connecting structure thereof. The inhaul cable connecting device comprises a spacer connecting mechanism and a profile connecting mechanism. The spacer connecting mechanism comprises a spacer with an adjustable length and hardware fitting inhaul cable connecting pieces connected to the two ends of the spacer. The hardware fitting and inhaul cable connecting piece comprises a hardware fitting and inhaul cable fixing assembly and a hardware fitting fixing plate, the hardware fitting and inhaul cable fixing assembly is used for being detachably fixed to an inhaul cable, and the hardware fitting fixing plate is rotatably connected to the end of the spacer plate and detachably fixed to the spacer after rotation. And the two can be fixed through a detachable structure after relatively rotating. A spacer connecting mechanism and a profile connecting mechanism are combined, and a multi-dimensional and stable stress system can be built in space through connection of spacers and profile connecting rods with inhaul cables in different directions.

The utility model discloses a gas state monitoring sensor calibration device, which relates to the technical field of sensor calibration and comprises a calibrator, a standard micro-water sensor, a standard pressure sensor, a gas circuit adjusting system, a humidity calibration module and a pressure calibration module. The calibrator is provided with a sealing cavity, a first port and a second port, wherein the first port and the second port are communicated with the sealing cavity. According to the technical scheme of the utility model, the humidity calibration module and the pressure calibration module are adopted, so that the dual calibration function of gas humidity and pressure parameters can be realized, the problem of single function of the existing calibration device is solved, multi-parameter integrated calibration is realized, the calibration efficiency is improved, and the application range is widened; by adopting the modular design and switching the four pipelines through the on-off control assembly, a user can select different humidity calibration modules or pressure calibration modules according to needs, the operation is convenient, and the automation level and the operation consistency of the system are improved.

The utility model discloses a kind of key switch machine circuit and printer based on bistable circuit, wherein, key switch machine circuit based on bistable circuit, including power supply conversion unit, self-locking circuit and button, bistable circuit;The enable end of power supply conversion unit is connected by self-locking circuit and button, bistable circuit;Power supply conversion unit is used to convert input power supply into working power supply, and its enable control end is used to control power output;Self-locking circuit is used to pull low the enable end of power supply conversion unit after button is pressed and maintain low level, realize the self-locking of power output;Bistable circuit is used to change output state when button is pressed again, cut off self-locking circuit, so that the enable end of power supply conversion unit restores high level, to close power output.The utility model discloses the key switch machine circuit based on bistable circuit of the utility model, using single self-resetting button can complete the opening and closing of power supply, and, circuit response is stable, operation logic is clear.

The utility model relates to the technical field of water beating heads, and particularly discloses a water bag water beating head which comprises a connecting seat, a water bag water beating head and a water bag water beating head, the water injection pipe is vertically mounted above the connecting seat, and a water permeable hole is formed in the connecting part of the water injection pipe and the connecting seat; the water inlet hole comprises a first water inlet section and a second water inlet section, the first water inlet section and the second water inlet section are both arranged on the inner side of the water injection pipe, a sealing cover is further installed at the first water inlet section, and the second water inlet section is communicated with the water permeable hole; according to the device, the first water inlet section and the second water inlet section are designed to be in axial stepped transition, so that the stepped surface naturally forms an abutting end, a stable stopping reference is provided for the plug body when the plug body is opened and closed, synchronous rotation and axial displacement can be achieved under the single rotation action in cooperation with a spiral guide groove and a sliding block of the plugging assembly, and the sealing effect is good. The opening and closing stroke is guaranteed to be accurate and controllable, and repeated operation is avoided.

The invention discloses application of a barrier material to a drawing casing and a casing drawing test device and method, and relates to the technical field of petroleum drilling and well cementation engineering.The casing with different cementation coverage rates is prepared by applying the barrier material to the casing; installing the casing pipe attached with the barrier material in a test piece mold, pouring cement into the mold, and curing to form a test piece; and finally, taking out the test piece from the mold, and clamping the test piece into a sleeve drawing device for testing. According to the scheme, by adjusting the cement coverage rate of the shrinkage-size casing and the cement strength of the simulation test piece, the comprehensive influence of the cement coverage rate and the cement strength on the axial resistance of the casing can be systematically reflected, and the limitation of single condition of existing research is made up.

The present invention discloses a gene CsSUS3 for regulating waterlogging stress-induced adventitious root formation in cucumbers and its application. The present invention identifies a new cucumber adventitious root formation regulating gene CsSUS3, whose edited mutant has weakened adventitious root formation ability, while the overexpressed mutant has significantly enhanced adventitious root formation ability. The gene CsSUS3 of the present invention can be used to guide the breeding and improvement of cucumber waterlogging-resistant germplasm resources, and provide technical support for the breeding of cucumber waterlogging-resistant varieties. The present invention uses two transgenic technologies to jointly explore the application of CsSUS3 in inducing adventitious root formation in cucumbers under waterlogging stress, and provides new gene resources for molecular genetic improvement of cucumber waterlogging resistance. The present invention provides a gene CsSUS3 for inducing adventitious root formation in cucumbers under waterlogging stress, which has important application value in studying how to improve waterlogging resistance in cucumbers.

The invention discloses a variable pitch system withstand voltage test device, which comprises a shell, and is characterized in that the shell is provided with an HMI touch screen, an indicating device, a power supply switching interface and a control button; the shell is internally provided with a withstand voltage tester and a programmable controller, the HMI touch screen and the control button are respectively and electrically connected with the power supply switching interface, the HMI touch screen, the control button and the indicating device are respectively and electrically connected with the programmable controller, and the programmable controller is in data connection with the withstand voltage tester. The device does not need to be cared by a specially-assigned person in the use process, greatly reduces the safety risk during the withstand voltage test, is automatic in the whole test process, accelerates the withstand voltage test speed, saves the withstand voltage test time, cancels the continuous operation of manual switching, saves the manpower, increases a visual interaction interface, and improves the efficiency of the withstand voltage test. The operation steps are clear, the test state is clear and easy to understand, and the working efficiency and the test accuracy are greatly improved.

The invention relates to the technical field of daily chemical products, and discloses a dishwashing liquid antibacterial ability evaluation method, which comprises: a1, taking 500 mL of a dishwashing liquid stock solution for standby application; a2, uniformly mixed liquid is obtained; step a3, selecting a test flat plate which is not polluted by infectious microbes to carry out a bacteriostasis experiment; step a4, adopting the third subculture as a test strain for a bacteriostatic test; a6, transferring the third subculture of the fourth ring into the sample bottle by using an inoculating loop, covering the sample bottle, uniformly mixing by using a mixer, and measuring and reading; step a7, observing strain growth distribution; and step a8, calculating the bacteriostatic effect of the detergent according to the following bacteriostatic rate calculation formula. The evaluation method for the antibacterial ability of the detergent provided by the invention is clear in operation, and makes up the blank of evaluation of the antibacterial ability of the detergent.

The invention discloses a portable power cable terminal fixing device and a using method thereof, the device comprises a V-shaped hoop, a threaded inner column, a bolt, a clamping gasket, an outer column, a handle, a connecting rod and a supporting leg, the V-shaped hoop stably clamps a cable, the threaded inner column and the outer column adjust the height through the bolt, the supporting leg provides stable support in operation, and the connecting rod is connected with the handle. The device is foldable and convenient to carry; the using method comprises the steps of carrying the device to a working site, unfolding the supporting legs and fixing the device, adjusting the threaded inner column to set the height, placing a cable in the V-shaped hoop and fixing the cable through the clamping gasket, retracting the inner column after the cable terminal is installed, folding the supporting legs, and carrying the device to a next working site. The cable terminal mounting device is simple and convenient in structure and convenient to carry, the adaptability and stability of the device are improved through height adjustment and a supporting leg stabilizing mechanism, operation is easy, convenient and rapid in the fixing and storing process, and the efficiency and safety of cable terminal mounting operation are greatly improved.

The application discloses an extravehicular clamping device and relates to the technical field of space, which comprises a fixed clamp head and a movable clamp head hinged on the fixed clamp head in an L shape, a movable clamping plate is arranged on the fixed clamp head, a fixed clamping plate is installed on the movable clamp head, and the movable clamping plate can be close to or away from the fixed clamping plate through adjustment on the fixed clamp head; a handle is further hinged on the movable clamp head, and a connecting rod is hinged between the handle and the fixed clamp head; the fixed clamp head is further provided with a locking structure, the locking structure can be locked after the movable clamp head and the fixed clamp head are clamped, an unlocking plate for unlocking the clamping of the movable clamp head and the fixed clamp head is further hinged on the handle, and the unlocking plate and the movable clamp head can be locked again. The "thickness adjustment" and "locking" functions are decoupled, and the device is assembled by using pure structural components, so that the device is not only convenient to operate and high in reliability, but also can effectively prevent the device from being accidentally touched or contacted in an extravehicular state.

The present application relates to the technical field of propeller hydrodynamic measurement method, and particularly relates to a propeller lateral excitation force measurement method, which converts the dynamic force signal measured by a sensor in a rotating coordinate system XOY into a propeller lateral excitation force signal in a fixed coordinate system X1OY1 in the form of equal-phase resampling, and can effectively evaluate the propeller lateral line spectrum excitation force. The main steps include test system calibration, signal synchronous acquisition, equal-phase resampling, coordinate transformation and Fourier transformation. The method has clear design process, clear operation and great engineering practical value.

The embodiment of the invention provides a test fixture of a fuel cell and a test method of a fuel cell stack. The test fixture of the fuel cell comprises a first end plate, a second end plate, a first collector plate, a second collector plate, an adjusting piece and a locking piece. The first end plate and the second end plate are arranged at an interval along the lamination direction of membrane electrodes, the first collector plate is arranged on the first end plate, the second collector plate is arranged on the second end plate, and the adjusting piece is abutted between the first end plate and the second end plate. The first end plate and the second end plate are arranged on the fuel cell body so as to adjust the distance between the first end plate and the second end plate according to the thickness of the fuel cell body, and the locking piece penetrates through the first end plate and the second end plate so as to be used for keeping the first end plate and the second end plate at a locking position. Therefore, the test clamp of the fuel cell provided by the embodiment of the invention can assist the cell assembly to play a role of excellent performance advantages by accurately adjusting the compression ratio of related components.

In order to reduce the number of parts constituting the slider and to provide an endoscopic treatment tool in which the slider is downsized, the base 30 has a guide groove 31 extending in the axial direction and both side walls 32, 33 of the guide groove 31, and a plurality of positioning engagement portions 34, 35, 36 that can engage the slider 20 concavo-convexly at a plurality of locations in the axial direction. The slider 20 has, inside a cylindrical body of a predetermined length surrounding the base, a wire fixing portion 25 which is slidably guided into the guide groove 31 and to which the proximal end of the drive wire 13 is fixed, and the protruding portion 27 that is concavo-convexly engaged with one of a plurality of positioning engagement portions 34, 35, 36 when the slider 20 reaches one of a plurality of axial locations with respect to the base 30. The spring portion 37 with cantilevered structure is integrally provided on the base 30 to elastically engage the plurality of positioning engagement portions 34, 35, 36 of the base 30 with the protruding portion 27 of the slider 20 concavo-convexly.

The invention provides a method for estimating the subtransient reactance of a surface-mounted permanent magnet motor based on a finite element method, and relates to the technical field of motors, and the method comprises the steps: constructing a finite element model, setting the angular frequency of a rotor, and calculating the amplitude of back electromotive force and the synchronous reactance under a specific working condition; setting at least two groups of parameters of the model to enable three phases of a winding circuit to be short-circuited, and calculating a three-phase short-circuit current waveform; for three-phase short-circuit current waveforms under different groups of parameters, selecting a specific phase to calculate a waveform difference value; performing spectral analysis on the waveform difference value, and calculating a transient reactance parameter under the initial position condition of the rotor according to a specific spectral component related parameter, a back electromotive force amplitude and a synchronous reactance; and changing the initial position of the rotor, and solving the next transient reactance parameter average value of multiple positions as a final result. According to the method, the rotor eddy current influence is considered, the subtransient reactance is accurately and efficiently estimated through multi-step calculation and parameter adjustment based on the finite element method, and power system optimization is assisted.

The invention discloses a short video auxiliary shooting scoring method based on an AI multi-mode model. The short video auxiliary shooting scoring method comprises the following steps: S10, video acquisition; s20, video analysis: performing multi-dimensional fusion analysis on the standardized video data by adopting a vision-audio-semantic multi-modal fusion analysis algorithm to obtain a multi-dimensional fusion analysis result; s30, score generation: according to a multi-dimensional fusion analysis result, calculating by adopting a dynamic weight adaptive algorithm to obtain a comprehensive score of the to-be-analyzed short video; s40, bright spot identification: extracting index data meeting a quantitative excellent standard from a multi-dimensional fusion analysis result, and identifying and summarizing shooting bright spots of the short video by combining content characteristics of the short video; s50, defect identification is carried out; s60, optimization suggestion generation: on the basis of the identified shooting defects, a targeted overall optimization suggestion is generated in combination with the reservation demand of the shooting bright spots; and S70, outputting a result.

This utility model discloses a high-pressure manual inflation and deflation valve for aerospace applications, comprising an outer nut, an adjusting nut, a spring, a housing, a backing nut, a handle, a push rod, a set screw, a tubular filter screen, a slotted conical set screw, a steel ball, and a push pin. The push rod and push pin are the transmission components of the product. Rotating the handle causes the push pin to move left and right, thereby pushing the valve assembly of the pressure vessel. By using a trapezoidal thread transmission and a limit design for the push pin, the product can withstand the large load brought about by high-pressure inflation, preventing thread jamming. At the same time, the sealing design of O-rings and star-shaped sealing rings makes the product highly reliable and safe, with effective operation for more than 5,000 cycles. Its operation is simple, illustrated, and ergonomic.

This application relates to the field of optoelectronic device technology, and provides a switchable day / night sight, including a front housing group, a middle housing group, and a rear housing group arranged along the optical axis. The front housing group includes an objective lens group; the middle housing group includes a prism group, a mechanism support, a low-light detector, a display screen, a processing board, and a switching mechanism; the rear housing group includes a relay lens group and an eyepiece group; the switching mechanism includes a fixed shaft, a large rotating shaft, a small rotating shaft, a positioning pin, a spring, a limiting protrusion, and a handle; wherein, the mechanism support is fixedly connected to the large rotating shaft, the low-light detector is mounted on the mechanism support, and the handle drives the large rotating shaft and the mechanism support to rotate around the axis of the large rotating shaft through the small rotating shaft, so as to drive the low-light detector to enter or exit the optical path between the objective lens group and the prism group. Through the coordinated cooperation of a common-path optical system, a precision mechanical switching mechanism, and electronic reticle superposition, the fusion of visible light direct-view mode and low-light digital mode is achieved, solving the problem of poor daytime imaging quality in traditional day / night sights.

The application discloses a communication method, device, communication equipment and readable storage medium, and belongs to the technical field of communication. The communication method of the application embodiment comprises the following steps: a first communication device performs a first action, wherein the first action comprises at least one of the following: receiving a paging from a second communication device, wherein the paging contains first information, and the first information comprises at least one of the following: filter information, information for indicating a storage area in a terminal device, information for indicating a start position, information for indicating the length of the filter information, information for indicating that a terminal identifier is used to match the filter information; third information; the third information is used to indicate information for matching in a terminal device or a terminal identifier; and according to the first information, at least one of the following is determined: responding or not responding to the paging, matching or not matching the filter information. The application can realize the matching with filter information.

The application belongs to the technical field of perovskite material preparation, and particularly discloses a mixed halogen perovskite single crystal material and a preparation method thereof. 2.8 I 0.2 The obtained single crystal is treated at 20 DEG C and 90% RH for 3-6 h, surface defects are systematically repaired by using the moisture-induced lattice expansion and surface hydroxyl passivation mechanism, ion migration is inhibited, and the phase separation phenomenon is slowed down. The process is simple, controllable, and reproducible, and is suitable for laboratory-scale preparation and industrialization promotion.

The invention discloses an insulating wire stripper and a using method thereof.The insulating wire stripper comprises a wire stripper shell, a V-shaped baffle, an insulating operating rod, a cutter assembly, a cutter operating mechanism, a girdling assembly, a girdling operating mechanism and a shell rotating operating mechanism, the interior of the upper end of the wire stripper shell is of a hollow structure, and the lower end of the wire stripper shell is of an arc-shaped structure; the V-shaped baffle is rotatably connected to the lower portion of the wire stripper shell, the insulating operating rod is rotatably connected to the right side of the wire stripper shell, the cutter assembly and the girdling assembly are installed in a hollow structure of the wire stripper shell, and according to the insulating wire stripper, the position of a wire needing to be stripped is fixed through the V-shaped baffle. The insulated operating rod is used for controlling the corresponding operating mechanism to strip the insulated wire skin at the wire stripping position, the operation safety distance is kept, the safety of operators is ensured, the wire stripping depth is controlled through the cutter operating mechanism and the girdling operating mechanism, and the wire stripping device is suitable for live wires of different voltage grades and is wide in application range.

A terminal includes a reception unit that receives data via a downlink channel in data distribution for a plurality of terminals, a transmission unit that transmits feedback on the data, and a control unit that controls the feedback, in which the feedback includes a first feedback in a mode for transmitting a negative response without transmitting an affirmative response, and when a first uplink channel related to the first feedback temporally overlaps with a second uplink channel different from the first uplink channel, the control unit determines a processing method of the first uplink channel and the second uplink channel in accordance with a handling method related to the first feedback.

The invention discloses a steel rail welding seam flaw detection scanning device and a flaw detection method thereof. The steel rail welding seam flaw detection scanning device comprises a scanning support, a guide rail sliding block mechanism and a guide rail probe mechanism, wherein the scanning support can be mounted on a steel rail in a falling manner and is automatically positioned on the steel rail or is automatically separated from the steel rail through lifting; the guide rail sliding block mechanism comprises a first guide rail arranged in the length direction of the steel rail, a guide rail sliding block arranged on the first guide rail and a sliding block driving mechanism used for driving the guide rail sliding block to reciprocate along the first guide rail, and a rail surface probe capable of being attached to the rail surface of the steel rail is fixed to the bottom of the guide rail sliding block. The second guide rail is located below the first guide rail and is parallel to the first guide rail, the probe support is arranged on the second guide rail in a sliding mode, a rail side probe is fixed in the probe support, the guide rail sliding block can drive the probe support to reciprocate along the second guide rail, and the guide rail probe mechanism and the scanning support are of a linkage structure. The steel rail welding seam flaw detection scanning device and the flaw detection method based on the same are convenient and efficient to operate.

The invention relates to a spraying modification system and method for a glass fiber filter material. The spraying modification system comprises a modification subsystem, a drying subsystem and a conveying subsystem. The conveying subsystem moves the filter material to be modified to the position below the modifying subsystem and the drying subsystem in the horizontal conveying direction through a conveying motor and a conveying net belt, so that the efficient modifying and drying process is achieved. The modification subsystem is provided with a plurality of paired modification nozzles which are used for uniformly spraying a modification reagent to the two sides of the to-be-modified filter material; the drying subsystem is used for providing dry air at a specific temperature by using a first fan and a heater so as to ensure that the modified filter material is quickly dried. The system is further provided with a recovery subsystem, gasified modification reagents are recovered through a second fan and a condensation recoverer, resource waste is reduced, and the cost is reduced. The system is compact in structure and convenient to mount and operate, has the advantages of efficient and uniform spraying effect, continuous modification and drying process and environmental protection of recoverable resources, and is suitable for industrial application.

The application provides a contact box anti-condensation capacity evaluation method considering wet electricity combination, comprising building a contact box anti-condensation capacity evaluation platform considering wet electricity combination. The working current of the contact box during work is output by a working power simulator, the relative humidity of the evaluation device box is changed by a humidity control spray head, the limit voltage under different relative humidities is obtained, the limit voltage value is used to optimize the limit voltage reference value by an optimization algorithm, and then the anti-condensation capacity of the contact box is evaluated in combination with the limit voltage reference value. The application has the beneficial effect of providing a contact box anti-condensation capacity evaluation method considering wet electricity combination, building an evaluation platform, being able to simulate the wet electricity environment of the contact box work, providing a supplement for the insulation component performance evaluation technology, and being helpful to improve the safety of the switching equipment in the power transmission and distribution system and guarantee the power supply quality.

The utility model provides a flexible suspension conveyor guide rail, which relates to the technical field of guide rails and comprises a first guide rail and a second guide rail, H-shaped inserting blocks are fixedly mounted at two ends of the second guide rail, and H-shaped slots are arranged at two ends of the first guide rail. By pulling the pull handle, the limiting column is driven to extrude the spring to retract into the shell, the H-shaped insertion block of the second guide rail can be easily inserted into the H-shaped insertion groove of the first guide rail, then, by means of the connecting plate at the top end of the limiting plate, a worker can conveniently slide the limiting plate to a proper position along the limiting groove, so that the limiting hole is aligned with the limiting column, and after the pull handle is loosened, the limiting plate can be fixed. The spring pushes the limiting column to be inserted into the limiting hole, tight and stable connection of the first guide rail and the second guide rail is achieved, complex tools such as a screwdriver are not needed in the process, operation steps are simple and clear, meanwhile, the installation efficiency is greatly improved through the installation mode, and the installation period can be remarkably shortened for a large amount of guide rail laying work in a large production workshop.