193results about How to "Improve waterproof level" patented technology

The invention belongs to the field of electric vehicles, and discloses an enclosed battery box for active heat management of an electric vehicle. The enclosed battery box comprises a battery box body, and a semiconductor chilling plate, an internal fin, a fan, a battery management system and a battery pack which are arranged in the battery box body, wherein the battery box body is an enclosed box body, the fan is arranged at one side of the internal fin; the semiconductor chilling fin is fixed on the inner side wall of the battery box body and connected with the internal fin; the battery management system is used for controlling working states of the fan and the semiconductor chilling plate in real time according to a temperature, which is monitored by the battery management system, in the battery pack, so as to realize active heat management. According to the enclosed battery box, the structure of an existing battery system is not changed, simple switching of a heating manner and a refrigerating manner of the battery pack inside the battery box of the electric vehicle can be realized, relatively high dustproof and waterproof grades can be realized; the battery box has an active heat management control strategy; a heating component and a refrigerating component for a power battery pack are simple and convenient to mount, and the price is low.

The invention provides an air-permeable sound-permeable waterproof membrane. The air-permeable sound-permeable waterproof membrane comprises a shell and further comprises a pressure plate and a waterproof air-permeable membrane assembly mounted in the shell, wherein the shell is provided with a first through hole; the pressure plate and the part, where the first through hole is arranged, of the shell form a closed area; the pressure plate is hermetically connected with the shell; the pressure plate is provided with a second through hole; the second through hole is arranged at a position corresponding to the position of the first through hole, and the two through holes communicate with each other; the waterproof air-permeable membrane assembly is installed in the closed area, and is closely attached to and fixedly connected with both the shell and the pressure plate; the waterproof air-permeable membrane assembly comprises a waterproof air-permeable membrane; and the waterproof air-permeable membrane is the only member that blocks the communication between the first through hole and the second through hole. The air-permeable sound-permeable waterproof membrane of the invention hasgood water resistance and can resist water pressure of 1 to 70 meters; and when the air-permeable sound-permeable waterproof membrane cooperates with an intelligent hardware shell structure, a part using the membrane has water resistance, air permeability and sound permeability.

The invention discloses an internal-and-external-pressure active balancing chamber and relates to a pressure active balancing chamber which is used for creating gas atmospheres in liquid pressure environments. The internal-and-external-pressure active balancing chamber solves the problem of high costs caused by the fact that waterproof structures of existing underwater electrical devices are required to be designed again due to the fact that the waterproof performance does not meet the requirements of deepwater operation. According to the internal-and-external-pressure active balancing chamber, a controller (2), a solenoid valve (3) and a sensor (5) are arranged inside a chamber body (1), the solenoid valve (3) and the sensor (5) are connected with the controller (2) respectively, a high-pressure gas cylinder (4) is arranged outside the chamber body (1) and communicated with an inner cavity of the chamber body (1) through a gas path, an electric motor (6) is arranged inside the chamber body (1), and an output shaft of the electric motor (6) is connected with the side wall of the chamber body (1) in a dynamic sealing mode. The internal-and-external-pressure active balancing chamber has the advantages of being low in cost and capable of enabling devices of different waterproof capabilities to be used at positions of various water depths and is applicable to underwater operation.

The invention relates to a conveniently-assembling and waterproof structure of a self-balance single-wheel electric vehicle. A shell is provided with an outer wall and an inner wall which are fixed together. The outer wall is located outside the inner wall. The connection of the outer wall and the inner wall is sealed. The inner wall is disposed above the wheel of the electric vehicle and covers the wheel. A shell cover is fixed on the outer wall. The outer wall, the inner wall and the shell cover encloses to form a sealed space which is not communicated with a mounting groove. A control panel and a battery are mounted in the sealed space. A control panel mounting position is disposed on the inner wall. The control panel is fixed on the control panel mounting position. A battery mounting position is disposed between the inner wall and the outer wall. The battery is fixed on the battery mounting position. The conveniently-assembling and waterproof structure has the advantages that during rainy days and when water accumulates on the ground, the water does not spin into the battery and the control panel along with the rotation of the wheel, high waterproof level is achieved, and the conveniently-assembling and waterproof structure is safe to use and simple to assemble.

The invention discloses a field conduction interference signal recorder, which comprises a signal input interface, a signal conditioning module, a data acquisition module, a control module and a signal output interface which are sequentially connected, wherein the control module comprises a field programmable gate array (FPGA) module, an advanced reduced instruction set computer machine (ARM) processor and a storage module for performing data exchange between the FPGA module and the ARM processor; the FPGA module is connected with the data acquisition module and transmits a signal to the ARM processor; and the ARM module outputs the processed signal to the signal output interface. The field conduction interference signal recorder can test electromagnetic interference on a power line and a signal line or other cables, has high-speed data acquisition processing capacity and can acquire waveform data of an electromagnetic interference signal of higher than 1kHz to 10MHz. The equipment is intrinsic safety equipment, and the device is small in size, low in heating capacity, high in waterproof grade and convenient to carry and does not have a fan.

The invention relates to a sensor node used for detecting underground substation construction displacement. The sensor node comprises a sensor component, a power supply component and a power cord, wherein the sensor component is connected with the power supply component through the power cord; the sensor component comprises a first housing, a sensor mounted in the first housing, a processor, a power supply management module, a wireless transmission module, and an aerial wire mounted on the first housing; the processor is connected with the sensor and the wireless transmission module respectively; the power supply management module is connected with the sensor, the processor and the wireless transmission module respectively; the wireless transmission module is connected with the aerial wire; the power supply component comprises a second housing, and a battery pack mounted in the second housing; the battery pack is connected with the power supply management module through the power cord. Compared with the prior art, the invention has the advantages that the sensor node is good in air tightness, high in waterproof grade, convenient for operation and data acquisition, low in construction cost, and the like.

The invention provides two-component elastic anti-cracking waterproof putty for exterior walls, which comprises the following components: cement, fine quartz sand, HPMC (hydroxy propyl methyl cellulose), a UEA expanding agent, limestone flour, dispersible latex powder, and elastic acrylic emulsion. In case that the two-component elastic anti-cracking waterproof putty for exterior walls is used as a putty layer, the putty layer has certain elastic deformation, and due to the elastic action of the putty, the cracking of the putty layer caused by the micro-cracking of a mortar layer can be reduced; and the putty has water repellency, so that the putty can increase the waterproof level of a building exterior wall, thereby greatly increasing the water repellency and aging resistance of the wall surface.

The present invention relates to an LED lamp comprising a strip housing having an inner cavity for accommodating a lamp body and at least at one end forming a opening for loading the lamp body; and a sealing end cover for sealing the opening; a sealing member is embedded in the opening, and the sealing member and the inner space of the opening have the same cross section perpendicular to the length direction of the strip housing; the sealing member and the sealing end cover are spaced apart to form a sealing cavity for injecting the sealant. the LED lamp of the invention on the one hand realizes the first waterproof protection of the end part by the sealing member, and on the other hand realizes the second waterproof protection through the sealant layer formed by pouring sealant between the sealing member and the sealing end cover, so the LED lamp has higher waterproof rating than the existing lamps and can be conveniently applied to a humid device such as refrigerator, refrigerator, freezer and vending machine.

A multifunctional LED (Light Emitting Diode) lamp based on mobile terminal control is composed of an LED lamp, an intelligent monitoring system, an intelligent charging system, a lamp rod and a relaxation seat, wherein the LED lamp is provided with an intelligent system standard interface; the intelligent monitoring system comprises a plurality of array infrared monitoring cameras; each array infrared monitoring camera is provided with an intelligent monitoring system interface; the intelligent charging system comprises a multifunctional charging pile; the multifunctional charging pile is in a box type structure and comprises a rainproof box body and a box door; the rainproof box body is internally provided with an intelligent charging mechanism, an intelligent vehicle detection mechanism and an infrared touch control mechanism. The multifunctional LED lamp adopts an advanced design integrating illumination, practicability and relaxation; the requirements of daily life of people are greatly met; finally, a seat design in a lamp rod shape is the perfect combination of the metal lamp rod and the relaxation seat so that the daily requirements of people can be greatly met; finally, the seat design in the lamp rod shape is the perfect combination of the metal lamp rod and the relaxation seat so that the daily requirements of people can be greatly met.

A waterproof apparatus includes a housing, two first covers, an electronic device and two first waterproof elements. The housing is manufactured by aluminum extrusion and configured with a cavity. The first covers are disposed in the cavity. The electronic device is disposed between the first covers in the cavity. The first waterproof elements are located at one side of one first cover, which is opposite to the other first cover.

The invention discloses a waterproof LED lamp and a sealing method. A shell of the waterproof LED lamp comprises a cylindrical body pervious to light and end covers at the two ends, ventilation holes are formed in the end covers, the surface of an LED lamp panel is coated with electronic moisture-proof glue firstly during packaging, then the space between each end cover and the body pervious to light is filled with a sealant, gas generated due to volatilization of the sealant during solidification is discharged step by step through the ventilation holes in the end covers, each ventilation hole is filled with a sealant at the moment and is blocked through a sealing body, and the ventilation holes can be sealed after the sealant in the ventilation holes is solidified completely. According to the waterproof LED lamp and the sealing method, the problem that the shell is cracked when the waterproof LED lamp is used can be effectively solved, and the waterproof grade of the waterproof LED lamp can be improved remarkably.

The invention discloses a wireless charging device for charging wireless wearable device through an NFC antenna. The wireless charging device comprises an antenna matching module, a wireless charging management module and a filtering module, the NFC antenna, the antenna matching module, the wireless charging management module, the filtering module and an a battery are sequentially connected. According to the wireless charging device, the NFC antenna is used for receiving energy signals, the energy signals received by the NFC antenna are maximized through the antenna matching module, then the wireless charging management module is in communication with a wireless charging transmitting end, conducts commutating and voltage stabilizing on the received wireless electric signals and outputs charging voltage signals, and the filtering module is used for filtering the charging voltage signals output by the wireless charging management module and outputs proper charging voltage. The existing NFC antenna of the wireless wearable device is used for charging, a charging interface or a special antenna does not need to be additionally arranged, the waterproof grade is improved, and the limited space of the wireless wearable device is prevented from being occupied.

The invention relates to a power equipment monitoring system, in particular to an intelligent cloud monitoring system of a lightning arrester. The system comprises intelligent cloud sensors of the lightning arrester, an intelligent cloud monitoring device of the lightning arrester and an intelligent cloud monitoring platform of the lightning arrester; the intelligent cloud sensors of the lightningarrester are linked with the intelligent cloud monitoring device of the lightning arrester through a wireless network; the intelligent cloud sensors of the lightning arrester are arranged on all phases of buses of transformer substations and transmit real-time data to the intelligent cloud monitoring device of the lightning arrester through the wireless network. The system can not only display all pieces of data and curves of the lightning arrester in real time but also conduct cloud diagnosis, intelligent judgment and expert analysis on collected big data, maintenance personnel can understand the physical conditions of the lightning arrester conveniently, and power equipment is endowed with new capabilities and vitality, so that a power grid is stronger and more intelligent.

The invention discloses a circuit board connector which comprises an insulation body, conductive terminals arranged on the insulation body and a metal shell wrapping the insulation body, wherein a plug-in hole is formed in the metal shell; the insulation body comprises a main body part and a clapper which forwards extends from the main body part into the plug-in hole; the conductive terminals comprise contact parts distributed on the surface of the clapper; each conductive terminal extends towards the outside of the insulation body, thus forming a welding part; each conductive terminal is provided with a connection part; the connection parts are connected with the contact parts and the welding parts respectively; the insulation body is provided with at least one molding cavity; the connection parts of at least part of the conductive terminals are exposed in the molding cavity; the molding cavity is provided with an externally exposed surface; the molding cavity is filled with non-conductor stuffings with a sealing effect. According to the circuit board connector, the conventional mode that only a waterproof sealing ring is arranged at the periphery of the connector in a sleeving manner is changed into the novel mode that the sealing stuffings are arranged for a structure inside the connector, so that the waterproofing performance and the airtightness are improved, and a more precise waterproofing effect is achieved.

The invention discloses a connecting method for carbon fibers and a metal wire connector, and relates to connection for carbon fibers and metal. The connecting method comprises the following steps of (1) slurry coating: heating conductive slurry to 50-150 DEG C and diluting, and coating heads of the carbon fibers and the head of a metal wire with the heated and diluted conductive slurry, and meanwhile, immersing a copper pipe into the heated and diluted conductive slurry; (2) curing: putting the carbon fibers, the metal wire and the copper plate after being coated with slurry into air to be naturally cured for 5-20min; (3) connecting: enabling the cured heads of the carbon fibers and the metal wire to be arranged in the cured copper pipe in a sleeving manner; (5) crimping: putting the carbon fibers and the metal wire, which are arranged in the copper pipe in a sleeving manner, on a terminal crimping machine to be impacted and crimped; and (5) injection molding: coating the crimped copper pipe with a thermal shrinkage sleeve, and putting the overall connector on an injection molding machine to be subjected to overall injection molding. The connecting method is simple to operate, capable of realizing tight and firm connection, and safe and reliable in performance.

The invention provides a dynamic-vulcanization thermoplastic polyolefine waterproof roll material and a preparation method thereof. The roll material is characterized by comprising a main body layer and a reinforcing layer arranged according to the need. The main body layer is made of a dynamic-vulcanization thermoplastic polyolefine elastomer. The reinforcing layer comprises a middle reinforcing layer and a surface back-lining layer arranged according to the need. The dynamic-vulcanization thermoplastic polyolefine waterproof roll material has good processing property and excellent mechanical property and has the advantages of great tensile strength, good size stability, strong perforation resistance capability, good ultraviolet resistance and small specific gravity, main body welding seaming realized during the construction, convenient construction, recyclability of corner leftover material, and the like.

The invention provides a portable tuner which is small in size. The portable tuner which is small in size can realize real-time tone tuning and changing on two-way voice of a mobile communication device or an entertainment device, so that two-way voice entertainment can be easily realized. The portable tuner comprises an analog interface A, an adjusting module, a state display module, a processor, a digital interface, a digital sound card, an analog interface B, a wireless interface, a coder-decoder A, a coder-decoder B, a power management unit and a battery.

The invention is applicable to the technical field of antennas, and specifically relates to an antenna sealing structure and an antenna. The antenna sealing structure comprises a radome, an end cover,a breathable film and sealing strips, the radome is provided with air vents, the breathable film wraps the air vents by employing a gluing mode and is pasted on the radome, and the sealing strips areused for sealing the assembling between the radome and the end cover to form a sealing chamber. Therefore, the breathable film can prevent external environment moisture from entering the internal part of the radome, the outdoor antenna can realize short circuit resistance and water resistance and prevent obstruction even in a severe environment, the design of the integrated sealing structure is flexible, the dismounting is easy, the hidden property is good, the appearance is not affected, the internal and external temperatures can be kept consistent in any environment, heat radiation is facilitated, the waterproof level of the antenna can be greatly improved, hidden risks of short circuit of the antenna can be greatly reduced, and the maintenance cost is low.

The invention reveals a waterproof USB connector mother plug structure and a manufacturing method therefor. The structure comprises a metal terminal, a plastic body which is buried with the metal terminal for forming, a fixed metal piece which is clamped on the surface of the plastic body, a main metal housing which wraps the plastic body, an outer metal housing which wraps the external surface ofthe main metal housing, and glue which is used for sealing one end face of the main metal housing and is disposed in a gap between the plastic body and the main metal housing. The main metal housingand the outer metal housing are welded together, and the main metal housing achieves the fixed connection with the plastic body in a mode of being welded with the fixed metal piece. The structure provided by the invention can achieve the waterproof function, also can reduce the size of a product, and improves the binding intensity of the product.

The invention relates to the technical field of lithium-ion battery shells, in particular to a shielded high-voltage junction box meeting IP67; the shielded high-voltage junction box comprises an upper cover component and a base component; the upper cover component comprises an upper metal cover, an upper plastic cover, an upper seal gasket and an upper shielding ring; the upper seal gasket is embedded in the upper plastic cover that is fixed in the upper metal cover, and the upper shielding ring is embedded in the upper metal cover; the base component comprises a lower plastic base, a lower metal base, a lower seal gasket and a lower shielding ring; the lower seal gasket is embedded in the lower plastic base, the lower plastic base is fixed in the lower metal base, and the lower shielding ring is embedded onto the lower metal base; the upper metal cover and the lower metal base are fixedly connected together through fixing bolts. A reliable connection mode for high-voltage wire electrical connection techniques is provided herein, the process is simple, the cost is low, the structure is reliable, and a battery system has improved reliability and safety.

The invention relates to the technical field of lamps, and specifically discloses a wall washing lamp. The lamp comprises a lamp body; the lamp body is a strip-shaped lamp body with the U-shaped ends;light-transmitting glass is arranged at the upper portion of the lamp body; a light source assembly is arranged in the lamp body; the two ends of the lamp body are connected with end covers; the lampbody in the U shape is an integrally formed aluminum profile; the light source assembly in the lamp body is connected with an external junction box through a pin type terminal; a waterproof structureis arranged at the upper portion of the light-transmitting glass; and the end covers at the two ends are of tapping hole-free screw connecting structures. The whole structure is simple and practical,the product production cost is reduced, and the assembly processes can be greatly reduced; and due to the structure, an assembly method is simple, the assembly efficiency is improved, and disassemblyis facilitated.

The invention discloses a precast concrete waterproof structure, and belongs to the field of assembled buildings. The precast concrete waterproof structure comprises a water stop sill for isolating aneasy damping area from a damp preventing area; the water stop sill comprises a waterproof main body, and a projection part arranged at the top of the waterproof main body; the bottom of the projection part covers part of the area of the waterproof main body; the lower part of the waterproof main body is embedded in a reserved groove of a floor top surface; and the projection part and the part, not covered by the projection part, of the waterproof main body are connected with a wall, and form step type joints with the wall. Compared with the prior art, a concrete waterproof structure is prefabricated in a factory, and is directly connected with a floor reserved groove during construction; the manufacturing precision of the waterproof structure is high; the problem of need of supporting templates in scene casting is prevented; and the construction difficulty is lower.

An emulsion is provided for defoaming water used in processing of various products such as cellulose or wood-based products or in food processing which is formed by reacting a fatty acid with a compound selected from the group consisting of ammonia, sodium, potassium and combinations thereof so as to form a water soluble soap, dispersing the water soluble soap in water and homogenizing the dispersed water soluble soap with hydrophobic oil or hydrocarbon oil to produce the emulsion. Methods for preparing the emulsion and using the emulsion are also provided. The emulsion is advantageous in that it can improve water resistance and / or reduce the use of water resistant additives during processing of cellulose or wood-based products or food-grade products.

The invention provides an improved construction method for shield tunnel segment caulking. According to the improved construction method, the waterproof effect of a shield tunnel is guaranteed by sticking the slurry dipping cloth to gaps between segments, the waterproof grade of the shield tunnel can reach the grade I through a matching mode and a spraying mode of the slurry dipping cloth and guniting coating, and the technical requirement and the quality requirement of the shield tunnel are met. The waterproof performance of the shield tunnel is greatly improved, and the service life of the shield tunnel is greatly prolonged. Compared with a traditional segment caulking construction method, the improved construction method is simpler and higher in waterproof grade, and is one of the effective methods for solving or improving the waterproof grade of the shield tunnel and guaranteeing driving safety in the shield tunnel at present.

The invention relates to a multifunctional shoulder lamp for policemen. The multifunctional shoulder lamp solves the problems that in the prior art, the structure is complex, use is inconvenient, and the application scope is narrow. The multifunctional shoulder lamp is characterized in that a button switch is installed at the top, a magnetic attraction round sheet is installed on the lower surface of the compression end of a shoulder clamp, a top shooting LED lamp is welded to the front face of a circuit board, and flat shooting LED lamps are welded to the periphery of the back face of the circuit board; and an olecranon hook is arranged at the clamping end of an upper clamp, the upper clamp and a lower clamp are provided with arc-shaped opening edges, and the circuit board is further provided with a gyroscope module, a GPS module and a wireless radio frequency receiving and transmitting module. The multifunctional shoulder lamp has the beneficial effects that the radiation scope of LED lamp light is wide, the alarming effect is higher, and the wearing comfort of the human body and the stability of the shoulder lamp are improved. The multifunctional shoulder lamp can be worn on the human body, can be singly attracted to magnetic attraction objects such as a car, a guardrail and an alarming cone, and the alarming effect is achieved; and multiple shoulder lamps can be used in a combined manner, can be combined to be in an arrow shape or a letter shape and the like, and can achieve the alarming effect, and the application scope of the shoulder lamp is accordingly enlarged.

The invention discloses a solar photovoltaic module and a mounting method thereof, the solar photovoltaic module comprises laminates and a frame arranged around the laminates, the frame also serves asa connecting mechanism between adjacent laminates, the border includes a first border, The second frame and the third frame are connected with each other by the third frame, and a waterproof strip isarranged above the third frame, and a drain tank is arranged below the third frame to realize the second-level waterproofing. The second frame and the third frame are connected with each other by theoverlap relationship between the cover plate of the first frame and the second frame. The solar photovoltaic module of the invention can be paved as a water-leakage-proof solar roof, meets various water-proof installation requirements, has a simple connection relationship and can realize rapid installation.