293results about How to "Achieve moisture resistance" patented technology

The inductive addressable switch includes inductive switchboard and inductive knob. Being positioned on two side of the operation panel, the switchboard and knob are located by attractive interaction between first permanent magnet at center of the inductive switchboard and second permanent magnet at center of the inductive knob. The inductive switchboard includes n (larger than or equal to 3) pieces Hall switches distributed on same circumference evenly. The inductive knob includes base in use for fixing up second permanent magnet, knob instilled in the base, and m (even number) pieces of permanent magnet distributed on same circumference of inner casing of knob evenly. Rotating the knob generates magnetic field variational to the inductive switchboard. The invention does not need to make hole on body case of electrical installation so as to keep integrality of installation, and reach purpose of moistureproof and anticreep.

The invention provides an electric power cabinet used for outdoor building engineering. The electric power cabinet comprises an electric power cabinet body, supporting legs and a transverse plate. There are two supporting legs. The two supporting legs are fixedly connected through the transverse plate. A bottom portion of the electric power cabinet body is fixedly installed on a top portion of the transverse plate. The electric power cabinet body is located between the two supporting legs. An internal portion of the transverse plate is provided with a cavity. Surfaces of the supporting legs are provided with threads. The electric power cabinet used for outdoor building engineering is provided with a condenser pipe, a water inlet pipe, a water outlet pipe, a water tank and a hydraulic pump. Condensate water in the condenser pipe carries out heat dissipation processing on an inner cavity of the electric power cabinet body. When the condensate water in the condenser pipe is used up, the hydraulic pump is started so that the condensate water in the water tank enters into the condenser pipe through the water inlet pipe and enters into the inner cavity of the water tank through the water outlet pipe; the condensate water in the condenser pipe is recycled; and heat dissipation is accelerated and heat dissipation efficiency is increased.

The invention belongs to the technical field of preparation of nano materials, and in particular relates to a super hydrophobic self-cleaning coating and a preparation method thereof. The method comprises the following steps of: dispersing hydrophobic silicon resin and hydrophilic nano SiO2 particles into an organic solvent to obtain dispersion; and spraying the dispersion on a clean and dry glass sheet substrate, drying, and thus obtaining the super hydrophobic self-cleaning coating. The coating has a hierarchical structure compounded by using organic and inorganic components, namely the hydrophobic silicon resin and the hydrophilic nano SiO2 particles, and the structure has compound micro-nano surface topography; and the compound micro-nano hierarchical structure is constructed by spheroid-like protrusions with the diameters of 1 to 10 microns and agglomerate spheres with the diameters of 20 to 100 nanometers on the surface of the coating, wherein the spheroid-like protrusions are constructed by agglomerate spheres with the diameters of 20 to 100 nanometers. The contact angle between the coating and water is 140 to 155 degrees, and the rolling angles of water drops on the surface of the coating are less than 2 degrees.

The invention discloses a multi-dimensional personnel and equipment intelligent positioning wearable device, and the device comprises a wireless communication module which is used for collecting related positioning data and enables the related positioning data to be remotely transmitted; a Beidou / GPS positioning module which is used for collecting and analyzing a Beidou / GPS satellite signals, carrying out position calculation, and outputting latitude and longitude information; a BLE data collection module which is used for collecting the MAC, field intensity and TxPower of a Ibeacon Bluetooth signal; a WIFI data collection module which is used for collecting the MAC and radio frequency signal intensity of a WIFI host; an RFID data collection module which is used for collecting the ID and radio frequency signal intensity of an RFID host; a rotating speed and acceleration measurement module which is used for collecting the acceleration and rotating speed of the device; and a CPU module which is used for the management of the whole unit. The device is suitable for the whole-course positioning of the personnel and equipment in different geographic environments, such as an open environment, an indoor environment, commuting ports, and the like.

The invention discloses a physiological monitoring sensing belt and a manufacturing method thereof, a physiological monitoring mattress and a monitoring system. The physiological monitoring sensing belt comprises a first friction power generation layer and a second friction power generation layer which are laminated, wherein a friction interface is formed between the first friction power generation layer and the second friction power generation layer; an insulating layer which wraps the first friction power generation layer and the second friction power generation layer; a conductive shielding layer which wraps the first friction power generation layer, the second friction power generation layer and the insulating layer; and a first lead-out electrode and a second lead-out electrode which act as the output electrodes of the physiological monitoring sensing belt. The physiological monitoring sensing belt has the characteristics of being self-powered, high in sensitivity, stable in output electric signals, easy to use and operate, randomly adjustable in size, low in mass, comfortable and convenient to use for a user, simple in structure and manufacturing technology, low in cost and suitable for large-scale industrial production. Meanwhile, the physiological monitoring sensing belt also has self-moisture-proof and self-shielding functions so that stability of the output electric signals can be increased and the service life can be prolonged.

The invention provides a control device of domestic appliance, which comprises a panel, a knob device arranged on the top face of the panel, a touch-sensitive electrode arranged on the bottom face of the panel and a circuit board, wherein the knob device comprises a touch-sensitive part, a knob body and a fixing part; the touch-sensitive part is arranged at the bottom of the knob body; the fixing part is a permanent magnet and is arranged on the knob body; the circuit board is provided with a permanent magnet; the knob device is fixed on the panel by the attraction between the fixing part arranged on the knob device and the permanent magnet arranged on the circuit board; and the position of the touch-sensitive electrode arranged at the bottom face of the panel corresponds to that of the touch-sensitive part arranged at the bottom of the knob body. The knob device of the invention is fixed on the panel by the attraction between the fixing part arranged on the knob device and the permanent magnet arranged on the circuit board without reserving a hole on a shell of the appliance for mounting the knob device, so the control device keeps the integrity of the appliance, fulfils the aim of preventing water, moisture and creepage, can be operated by a knob and in the way of touch control with fingers and is convenient and practical.

The invention relates to a cement-based decoration material which comprises cement flour, emulsion and cellulose in following component relations: when the emulsion is liquid emulsion, the ratio of the cement lour to the emulsion is 100: 40-100, and the ratio of the cement to the cellulose is 100:0.1-0.5; and when the emulsion is dispersible emulsion, the ratio of the cement lour to the emulsion is 100:1.5-2.4, and the ratio of the cement to the cellulose is 100:0.1-0.5. The decoration plate provided by the invention can be directly applied to internal and external walls and floors of buildings, also can be used as waterproof materials of roofs, underground structures, washrooms, or kitchens, can realize the protection against water, fire, damp, crack and falling off, and has good aging resistance and weather resistance and same service life with buildings and is a novel poisonless, tasteless, environment-friendly and energy-saving product with convenient use, low production cost and long service life.

The invention relates to a moisture-proof and embrittling treatment method of cigarette capsules and a moisture-proof embrittling cigarette capsule. The treatment method comprises steps: preparing cigarette capsules, post-treating cigarette capsules, preparing a coating liquid and a coating and the like. The moisture-proof and embrittling treatment method of the cigarette capsules enables improved brittleness for cigarette capsules, an improvement of 25.0-37.9 % in moisture-proof effect, an improvement in capsule surface gloss and thereby improvements in cigarette capsule appearance and quality of use.

The invention relates to a light foamed ceramic wall building material with iron tailings as a main raw material and a production process thereof. The light foamed ceramic wall building material can be used for replacing traditional wall materials and thermal insulation materials. Iron tailings are adopted as the main raw material of the building material provided by the invention, quartz, calcite, sodium carbonate, borax, alumina and a foaming agent are configured, the ball milling time of raw materials in the production process is about 10h, the fineness is 300 meshes, a roller kiln is selected in the sintering process, the sintering period is about 6h, and the sintering temperature is about 1030 DEG C. The successful development of the building material of the invention is a technological revolution of building wall materials, which can greatly reduce the cost of building walls, reduce the labor intensity of workers, reduce the overall weight of buildings, reduce the basic load of the buildings, and meanwhile, achieving such targets of buildings as lightweight, thermal insulation, sound insulation, moisture resistance, and the like, and meeting the current environment-friendly, non-pollution and energy-saving requirements of modern buildings.

The invention relates to a processing method of a fiber strengthening composite corrugated board and belongs to the technology field of corrugated board processing. The processing method includes the steps of suppressing fiber on a face board paper in a wire rod or gridding mode, applying paper plastic adhesive on the fiber, and then compositing the fiber with a corrugated paper, conducting drying and cooling to finalize the design, slitting, creasing, transversely cutting and stacking. The paper plastic adhesive is mixture of additive, borax, caustic soda liquid, corn starch and water. The processing method of the fiber strengthening composite corrugated board has the advantages of being simple in procedure, convenient to implement, high in intensity of obtained paperboards, good in mechanical property of the obtained paperboards, relatively low in cost, capable of being applied to the fields such as corrugated paperboard processing and the like.

The invention discloses a micro-power consumption control method of motion monitoring and tracking equipment. A hardware energy consumption management and control part and a software energy consumption dynamic strategy part are combined; in the hardware energy consumption management and control part, by adopting control CPU frequency reduction and IO configuration, embedded secondary development of a communication CPU module, and complete isolation between the communication CPU module and a power supply, a dormant current of a whole machine is enabled to be smaller than 5 [mu]A; and in the software energy consumption dynamic strategy part, after a remote background server receives reported data of a terminal, according to parameters of the terminal, a terminal energy consumption managementand control strategy is formulated and sent to the terminal for execution. By controlling the power consumption of the whole machine, during the dormant period, the working current of the whole machine is less than 5 [mu]A; and in the tracking period, the communication CPU module works and performs data interaction with the remote server, the power consumption of the whole machine is less than 80mA, and when the communication CPU module is dormant in the tracking period, the power consumption of the whole machine is less than 1 mA.

The invention discloses a fireproof and moistureproof distribution box. The box comprises a box body, and an opening and closing cavity is formed in the left end surface of the box body; a turnover door is arranged in the opening and closing cavity in a turnover manner; the right wall of the opening and closing cavity is communicated with a power distribution cavity; a sealing plate located in thepower distribution cavity is fixedly arranged on the right end face of the turnover door; a fire extinguishing cavity with a rightward opening is formed in the sealing plate; the right side in the power distribution cavity is provided with a power distribution board used for installing an electric appliance and a line; the size of the distribution board is matched with that of the fire extinguishing cavity. According to the invention, the air circulation is carried out in the power distribution cavity, so the internal moisture prevention and dust removal are realized; meanwhile, when a fire occurs, a line can be cut off rapidly, and an electric appliance can be moved into the fire extinguishing cavity rapidly to be sealed, so the fire extinguishing is achieved due to rapid consumption ofoxygen in the fire extinguishing cavity; meanwhile, dry powder is scattered on the electric appliance to extinguish fire. The line can be cut off at the first time, so more serious harm and loss are avoided, and the electric appliance can be extinguished rapidly, and loss is reduced.

The invention discloses a moistureproof insulation material for electrical engineering. The material comprises an inner layer and an outer layer. The inner layer is prepared from the following raw materials in parts by weight: 10-16 parts of quartz sand, 16-22 parts of aluminum oxide, 16-22 parts of polyallylamine resin, 3-9 parts of dimethylformamide, 1-4 parts of butyl rubber and 3-9 parts of nano silicon dioxide. The outer layer is prepared from the following raw materials in parts by weight: 15-22 parts of epoxy resin, 10-17 parts of polyamide resin, 20-28 parts of glass fiber, 2-6 parts of ethylene propylene diene monomer rubber, 0.5-1.2 parts of 2-mercaptobenzimidazole, 1-4 parts of nano zinc oxide, 10-18 parts of silicon nitride, 2-9 parts of hydrogenated nitrile-butadiene rubber, 5-11 parts of aluminum nitride and 5-11 parts of polyethylene. The moistureproof insulation material is composed of the inner layer and outer layer; the outer layer achieves the moistureproof effect under the combined actions of the components; and the material has steady insulating property under the combined actions of the components of the inner layer.

The invention provides a process for preparing decoration plates with concave-convex surfaces, which belongs to the technical field of materials. The invention resolves the problems that the surfaces of the existing sheets are not concave-convex, the exited cubic effect is not strong and the graceful property is poor. The process for preparing the decoration plates with concave-convex surfaces includes the steps of A gumming, B drying and C compressing, wherein the step of gumming comprises firstly selecting decoration sheets, then transferring the decoration sheets by a transferring machine and sinking the decoration sheets in hot-curing resin, enabling the right surfaces and back surfaces of the decoration sheets to be immerged in the hot-curing resin. The step of drying is realized by immerging the decoration sheets in a baking box to be precisely dried, wherein the drying temperature is 50 DEG C to 100 DEG C. In the step of compressing, flat distributing the precisely dried decoration sheets on a wood plate and compressing under a press through being transferred by the transferring machine at high temperature. Wood sheets produced by the process for preparing decoration plates with concave-convex surfaces has the advantages of fire resistance, moisture prevention, wear resistance, mar-proof property, high cubic effect and sound graceful property.

The invention discloses a high-reliability hermetical packaging method for precise instruments, and belongs to the technical field of packaging. The method includes: unpacking and checking a to-be-packaged instrument, replacing overdue oil in the to-be-packaged instrument, cleaning oil stains and dirt outside the to-be-packaged instrument, and drying; and performing interior packaging, envelope sealing treatment and exterior packaging and boxing. By controlling the interior packaging environment, taking protective measures such as envelope sealing, damping and buffering, and adopting novel packaging materials such as high-penetration-resistance materials, reinforced pierce preventing materials and antistatic materials, sealing reliability can be improved, various packaging protective effects can be achieved, and the requirements on sealing protection of various types of precise instruments can be met. The high-reliability hermetical packaging method for precise instruments has the advantages that the interior packaging environment of the precise instruments is changed, protective functions such as water proofing, damp proofing, shock proofing and oil proofing are realized, and stored articles can be protected from being damaged by severe environments to realize long-term storage.

The invention relates to a processing technology of floors. An automatic spraying device for a floor side comprises a containing slot, wherein the containing slot can be used for containing the floor side, the containing slot is provided with a spray head and a paint recovering opening, the spray head is connected with a paint transmission pipeline, and the paint recovering opening is connected with a paint recovering pipeline. Automatic spraying production equipment for the floor side comprises a floor feeding device, an automatic spraying device, a drying device and a polishing device, wherein the automatic spraying device comprises the containing slot which can be used for containing the floor side, the containing slot is provided with the spray head and the paint recovering opening, the spray head is connected with the paint transmission pipeline, and the paint recovering opening is connected with the paint recovering pipeline. The automatic spraying device for the floor side is used for spraying, the automation degree is high, and both sides of the floor have uniform spray amount and uniform color, thereby solving the problem of a manually operated original method, lowering the labor intensity of workers and realizing continuous operation; and the paint recovering opening is arranged, thereby improving the utilization ratio of paint and greatly lowering the production cost.

The invention discloses a three-layer three-dimensional power encapsulating method and a structure thereof, wherein the method comprises the following steps: step 1. a heating panel, a power electrode and a base plate are prepared and an insulating layer is respectively printed on the base plate and the heating panel to form a hollow picture and ensure the positions of a power chip and the power electrode on the base plate and the position of the base plate on the heating panel fill in the hollow picture; step 2. soldering terminals are arranged on the position of the hollow picture, and the heating panel, the soldering terminal, the base plate, the soldering terminal and the power chip are arranged in a down-top sequence and then welded; step 3. the power chip and the base plate are carried out press welding, an enclosure is arranged on the heating panel, the power electrode is welded on the base plate and a driving control panel is arranged on the power plate; and step 4. a first filled composite is filled between the base plate and the driving control panel and a second filled composite is filled between the driving control panel and the power electrode after the molding of the first filled composite. The method realizes that the power base plate, the driving control panel and the power electrode are integrated in one encapsulation.

The invention discloses a military puncture-proof, tear-resistant, anti-static and high-barrier camouflage painting composite which sequentially comprises a nylon camouflage cloth camouflage layer, a high-barrier layer taking aluminum foil as a substrate, and a heat sealing layer of a polyurethane elastomer film from the outside in. A preparation method of the composite comprises the steps of A preparing the high-barrier layer, and compositing polyethylene glycol terephthalate film and a polyamide film on the upper and the lower surfaces of the substrate, namely the aluminum foil, B compositing the upper surface of the high-barrier layer with a camouflage layer and curing, C compositing the lower surface of the high-barrier layer with the heat sealing layer of the thermoplastic polyurethane elastomer film and curing, and D coating the internal surface of the heat sealing layer with an antistatic agent, and obtaining the camouflage composite. According to the composite and the method, with the adoption of specific compositing and curing processes, the prepared camouflage composite has puncture-proof, tear-resistant, anti-static and high-barrier functions and the like, a protection envelope prepared by the material can effectively prevent army materials from being damp during long-term field storage and transportation, and the storage and transportation quality of the materials is improved.

The non-oriented silicon steel desulfurizer consists of CaO 45-58 wt%, Al2O3 8-23 wt%, CaF2 15-30 wt%, SiO2 3-8 wt%, Mg 2-6 wt%, C not more than 0.015 wt%. Before it is applied in desulfurizing molten steel, the silicon steel desulfurizer is surface deactivated via adding organic solvent in 0.3-1.0 wt%. The desulfurizer containing metal Mg has excellent deoxidation function and excellent molten steel desulfurizing effect. The desulfurizer with one hydrophobic protecting layer formed through the deactivation treatment has high damp-proofing effect and high desulfurizing reaction performance.

A system for monitoring the life cycle of a product even in open-loop retail environment having regard to the associated supply or value chain, comprising tag provision equipment arranged to obtain product information and to configure a wirelessly interrogatable electronic identification tag provided with externally readable identification information to a product item, wherein configuring incorporates at least partially automated determination, according to predefined decision logic, of at least one technical characteristic of tag implementation based on the product information to optimize the operation of the tag, and electronic data management system accessible via a communications network, preferably the Internet, comprising a data interface configured to receive and transmit data, anda data repository configured to store indications of received digital notifications of tag reading events in a plurality of activities of the associated supply or value chain, the notifications conveying the tag identification information. A corresponding method for execution by the system is presented.

The invention belongs to the field of object or material storage or transportation containers, and particularly discloses a rice dampproof storage device. The device comprises a barrel and an upper cover; one end of the upper cover is hinged to the upper end of the barrel; an annular partition board is arranged at the bottom of the barrel; a storage cavity is formed between the annular partition board and the bottom of the barrel; an isolation cavity is formed between the annular partition board and the inner wall of the barrel; a cover board for closing the isolation cavity is arranged at theupper end of the isolation cavity; the cover board is provided with a connection pipe; the connection pipe is arranged in the isolation cavity and provided with a first one-way valve; a plurality ofpairs of magnetic parts are arranged on the outer wall of the annular partition board; the same pair of magnetic parts is located on the same diameter of the annular partition board; a base is arranged on the lower portion of the barrel; a power source is arranged on the base; an output shaft of the power source is connected with a metal stirring portion; the stirring portion penetrates through the bottom of the barrel and located in the storage cavity; the stirring portion is hollow; and a conductor board capable of cutting a magnetic induction line is arranged at the eccentric portion of thestirring portion. The device can prevent rice from being affected with damp when storing the rice.

The invention provides a laser airtight welding process-based packaged structure of a high-frequency microwave product and a manufacturing method for the packaged structure. The packaged structure comprises a box, an upper cover plate and a lower cover plate; a first groove and a second groove are formed in the open end of the box, and are respectively matched with the two cover plates; by fixing the lower cover plate in the first groove with screws, and fixing the upper cover plate in the second groove in an interference fit and laser welding manner, the moisture-proof and anti-corrosion packaging of the to-be-packaged high-frequency microwave product is realized, the mechanical strength of a to-be-packaged electronic component is improved, and the reliability of the electronic component is guaranteed.

The inductive addressable switch includes inductive switchboard and inductive knob. Being positioned on two side of the operation panel, the switchboard and knob are located by attractive interactionbetween first permanent magnet at center of the inductive switchboard and second permanent magnet at center of the inductive knob. The inductive switchboard includes n (larger than or equal to 3) pieces Hall switches distributed on same circumference evenly. The inductive knob includes base in use for fixing up second permanent magnet, knob instilled in the base, and m (even number) pieces of permanent magnet distributed on same circumference of inner casing of knob evenly. Rotating the knob generates magnetic field variational to the inductive switchboard. The invention does not need to makehole on body case of electrical installation so as to keep integrality of installation, and reach purpose of moistureproof and anticreep.

The invention provides a power cabinet for outdoor construction engineering, which includes a power cabinet body, supporting legs and a horizontal plate. A rain shield is arranged above the power cabinet body, and a cooling slot hole is provided on one side of the power cabinet body and embedded in the cooling slot. The dust-proof net in the hole, the bottom of the power cabinet body is equipped with a driving wheel to facilitate the movement of the power cabinet. The power cabinet for outdoor construction can solve the problem of poor dustproof effect of the traditional power cabinet for construction.

A portable and intelligent medicine box with a rotatable box cover comprises a groups of box cover limiting units and a cell sensing unit connected with a microprocessor, wherein a medicine outlet is formed in the box cover and corresponds to one cell on a medicine plate, the cell sensing unit comprises a flywheel driving the box cover to integrally rotate and an infrared sensing device, multiple through holes corresponding to multiple cells on the medicine plate are uniformly distributed in the flywheel and pass by the infrared sensing device during flywheel rotation. Each box cover limiting unit comprises a ratchet mechanism, wherein the ratchet mechanism comprises an upper ratchet wheel and a lower ratchet wheel which are mutually meshed, the upper ratchet wheel integrally rotates with the flywheel, and the lower ratchet wheel is fixedly connected to the medicine plate. Multiple sawteeth corresponding to the multiple cells on the medicine plate form the engaged tooth parts of the upper ratchet wheel and the lower ratchet wheel. The dampproof, waterproof and dustproof problems are solved by using the medicine box, the control to in-place rotation of the cells of the medicine plate is also accurate, Bluetooth connection control on an intelligent handheld device can be achieved, and medicine taking can be more conveniently and effectively reminded.

The present invention discloses a moisture-proof control cabinet body and a moisture-proof control cabinet and relates to the field of electrical equipment. The moisture-proof control cabinet body comprises a cabinet body, a first moisture-proof assembly and a second moisture-proof assembly. The cabinet body comprises a cabinet door and a fixed member. The fixed member comprises an operation panel capable of setting a button assembly. The first moisture-proof assembly comprises a first humidity sensor and a lifting closure. The first humidity sensor is arranged on the outer side of the cabinet body. The lifting closure is liftably arranged on the inner side of the cabinet door. The second moisture-proof assembly comprises a second humidity sensor and a heating member. The heating member is arranged on the cabinet body. The moisture-proof control cabinet comprises a button assembly, an electrical component assembly and a moisture-proof control cabinet body. The moisture-proof control cabinet body is reasonable in design, simple in structure, easy in maintenance and overhaul, and cost-saving, wherein the moisture-proof purpose can be realized according to actual conditions.

A damp-proof heat dissipation power transformation cabinet disclosed by the present invention comprises a cabinet body, the inner wall of the cabinet body is fixedly connected with a transverse plate, the transverse plate divides the cabinet body into a mounting box and a cooling cavity, a dehumidification groove is formed in the upper end of the mounting box in a penetrating manner, and a dustproof net is mounted in the dehumidification groove. A sealing plate which abuts against the dehumidification groove and has a guiding function is slidably connected to the inner top of the mounting box, a temperature driving mechanism is arranged between the sealing plate and the mounting box, a draught fan is mounted on the transverse plate, a heat exchange pipe is arranged in the cooling cavity and connected with the air inlet end of the draught fan through a short pipe, and the air inlet end of the draught fan is connected with the air inlet end of the draught fan. And the other end of the heat exchange pipe is fixedly connected with a conveying pipe, and a connecting pipe communicating with the mounting box is arranged at the upper end of the mounting box in a penetrating mode. The dehumidification and damp-proof effects on the electrical equipment can be achieved, the heat dissipation effect on the electrical equipment in the cabinet body is good, meanwhile, dust in external air cannot fall on the electrical equipment, and heat dissipation of the electrical equipment cannot be affected.

The invention provides a composition used for material surface treatment, and a material with hydrophobic surface and a hydrophobic film which are prepared with the composition. The material surface treatment composition comprises wax, silicon oil, hydrocarbon mixture oil from C6 to C30, nano powder and resin; making use of the nano-powder of the composition, the modified material surface can be endowed with the property of low detention resistance against water caused by low surface energy and coarseness.

The invention discloses a grounding box capable of moisture prevention. The grounding box comprises a wrapping box and a cable clamping seat, wherein the cable clamping seat is used for connecting a grounding circuit and is arranged in the box, the box comprises a box body and a box cover, one side of the box cover is hinged with the box body and covers the box body, a drying device is arranged on the inner wall of the box body and comprises a drying box and a drying pipe, the drying box is arranged on the lower side wall of the box body, and the drying pipe is arranged on the right side wall, the upper side wall and the left side wall of the box body in an encircling way. With the arrangement of the drying box and the drying pipe of the drying device, a drying effect on air in the box body of the grounding box can be developed, and a series of problems caused by air humidity in the box body are prevented.