36results about How to "Realize leak detection" patented technology

The invention relates to the technical field of beer production, in particular to a detection system of a wine production line. According to a detection system suitable for a wine filling production line, the detection device arranged on the filling production line is adopted to detect a filled beer bottle body and remove bad quality products which are not enough in filled material and unqualified in liquid level. The detection device comprises a liquid level detection device body for detecting the interior of a bottle, a sealing detection device body for detecting the air tightness of a bottle cover, and a bottle body detection device body for detecting the bottle body, a bottle neck, the joint of the bottle body and the bottle bottom and the bottle bottom. By means of the technical scheme, compared with the detection mode of a traditional wine filling production line, the detection precision is improved, false detection in the manual detection procedures is avoided, the detection quality is improved, the detection interval time is effectively shortened, and the working efficiency of the production line is improved.

The invention relates to a neglected loading detection mechanism for parts. The mechanism comprises a bracket seat, a push rod and a proximity switch. The bracket seat comprises a base plate and a vertical plate. The push rod is vertically threaded in an installation hole in the base plate and can freely move in the vertical direction. The proximity switch is installed on the vertical plate of the bracket seat. A magnetic part on the upper part of the push rod after moving upwards is opposite to the proximity switch in a detection area. The peripheral dimension of the magnetic part is greater than that of the installation hole of the base plate. Position of the push rod is controlled through a part to be detected, so that the magnetic part on the upper part of the push rod controls the proximity switch to switch on and off, therefore, not only can parts made of metal materials be detected, but also parts made of non-metal materials can be detected. Neglected loading detection of parts of a product is realized, and the mechanism is simple in structure and small in occupied space, and can be installed and used in a smaller space. The mechanism is low in manufacturing cost, the using and maintenance cost is also greatly lowered. The mechanism is strong in adaptability and can meet modern production demand.

The present invention provides a tightness detection device which is formed by a detection mechanism and a control system. By using the 'pressure drop method' detection principle, a detected iron box is placed in an openable sealed box, then the sealed box is closed, an interlayer space is pumped to be vacuum, a pressure difference with the inner cavity of the iron box, and the tightness of the iron box is evaluated through measuring the interlayer space pressure change value in a predetermined time. Through adding a comparison tank with the approximate volume of the interlayer space, a detection process is divided into two steps, the first step is forming pressure balance in the comparison tank and the interlayer space and using a balanced pressure value to judge whether a large flow leakage condition exists, and the second step is using the 'pressure drop method' to detection a small leakage condition. The tightness detection device provided by the invention is used in a bullet automatic package production line, the online lossless detection of the tightness of the iron box can be realized, and the tightness detection of a national standard iron box and an American standard iron box can be realized through replacing a mold.

The invention discloses a leak detector for a blast furnace cooler. The leak detector comprises an air collecting tank which is a transparent vessel, wherein a water inlet pipe and a valve are arranged below the air collecting tank; an air outlet pipe and a valve are arranged on the upper part of the air collecting tank; a water outlet pipe is arranged inside the air collecting tank; a water outlet at the top of the water outlet pipe is higher than the air outlet of the air outlet pipe; the bottom end of the water outlet pipe is located at the bottom of the air collecting tank. By virtue of the leak detector, leak detection can be performed while a blast furnace is in normal production; with neither disconnecting of water nor damping down, but only through control on a small amount of water, whether gas exists in a pipeline can be visibly known by viewing whether air bubbles float up in the transparent air collecting tank, so that leak points can be rapidly and correctly detected, the detection time is shortened and the labor intensity of detecting workers is reduced.

The invention relates to a housing part (14) for an electrical or electronic device, in particular for an electrical plug connector part (1), which comprises a moisture-tight chamber (146) surroundedby a wall (144). The housing part (14) has an inspection point having an opening (141) that opens into the moisture-tight chamber (146) and a membrane element (143) that covers the opening (141) and that can be pierced by a hollow needle (61) of an inspection device (6). In this way, a housing part that enables a tightness inspection in a simple manner is provided.

The invention provides an earth and rockfill dam time-domain electric field monitoring system and a precise imaging method, and belongs to the technical field of real-time monitoring of earth and rockfill dam leakage safety problems. The monitoring system comprises a communication cable, a drilling cable, a drilling electrode, an integrated electrical method host, a data acquisition and processingplatform and the like; earth and rockfill dam earth electricity information is transmitted to the input end of the communication cable through the drilling cable, then transmitted to the integrated electrical method host through the output end of the communication cable and finally transmitted to the data collecting and processing platform. The precise imaging method comprises data observation and data inversion imaging. According to the monitoring system, a transverse, longitudinal and time-direction three-direction dynamic observation layout is applied, a dam body multi-hole measuring linecombined observation method is combined, real-time accurate imaging of a geoelectric field can be achieved, complete coverage type monitoring of the earth and rockfill dam is facilitated, one-time arrangement is achieved, the service cycle is long, and mass data can be obtained compared with a traditional method; according to the observation system, the time shifting electrical method technology is applied to normalized monitoring of the earth and rockfill dam, and breakthrough of the monitoring and detection integrated technology can be achieved.

The invention discloses air leakage detection and resealing equipment for beer bottle caps. The air leakage detection and resealing equipment comprises a placement block, wherein a placement cavity with a leftward opening is formed in the placement block; a shaking mechanism is arranged in the placement cavity and comprises a clamping sliding block fixing block fixedly connected with the inner wall of the lower side of the placement cavity; a weight sensing sliding chute is formed in the placement cavity; a weight sensing sliding block which is in sliding connection with the weight sensing sliding chute is arranged in the weight sensing sliding chute; and a weight sensing fixing block which is in fixed connection with the weight sensing sliding chute is arranged on the inner wall of the lower side of the weight sensing sliding chute. The air leakage detection and resealing equipment is provided with a plurality of detection devices, so that air leakage detection can be performed on boxes of beer; and when the beer is slightly shaken, the air-leaked beer bottle caps can be compacted again through air generated by air leakage, so that whether multiple bottles of beer leak air or notcan be detected, and the air-leaked beer can be resealed.

The invention discloses a high-position air inlet pipe airtightness detection device, which relates to the technical field of automobile accessory production and comprises a base; a translation driving mechanism is arranged on a moving frame, clamping bases are fixedly connected to the adjacent sides of a fixed base and the moving frame, a top support frame is fixedly connected to the top end of the fixed base, and a fixed top frame is fixedly connected to the top end of the top support frame. The top end of the fixed top frame is fixedly connected with a partial pressure adjusting device, anair compressor is arranged on one side of the partial pressure adjusting device, the output end of the air compressor is fixedly connected with a first air conveying pipe, a second air conveying pipeis fixedly connected between the partial pressure adjusting device and the air guide channel, and the air guide pipe is fixedly connected with an air pressure display device. By arranging the partialpressure adjusting device, sealing detection of the high-position air inlet pipe under various air pressures can be achieved, whether air leakage happens to the high-position air inlet pipe or not canbe displayed on the air pressure display device, and the air leakage speed can also be displayed; and the detection effect on the high-position air inlet pipe is good, and the detection result is accurate.

The stainless steel multifunctional meter front valve comprises a valve body, a valve bonnet and a valve rod, a sealing joint is arranged at the lower end of the valve rod, a mounting bayonet is formed in the lower end of the sealing joint, an elastic sealing valve ring is arranged in the mounting bayonet, a metal valve element is mounted on an inner hole of the elastic sealing valve ring in a matched mode, and the metal valve element is detachably and fixedly connected with the sealing joint. A valve cap is arranged in the valve body, a lever is arranged above the valve cap, an eyelet bolt used for adjusting the distance is arranged between the lever and the valve body, a pressure detection opening is formed in the exposed side wall of the valve cap, a pressure sensor is installed on the pressure detection opening, and a pressure channel communicated with the valve cavity is arranged between the pressure detection opening and the lower end face of the valve cap. The lever is driven to rotate by rotating the swing bolt, the valve rod is driven to ascend and descend, opening and closing of the valve are achieved, the problems that opening and closing of the valve rod are strenuous, abrasion is prone to occurring, and the sealing effect is poor are solved, downstream pressure detection control is achieved, and the pressure reduction proportion of the valve is easy to control.

The invention discloses a water leakage detection device for an automobile glass sunroof, which comprises a power supply, a water spray device, a flow control box, an isolation device, a water leakage detection sensor and a water-soluble switch, and the water spray device is respectively connected with the power supply, the flow control box and the The isolating device is connected, the water leakage detection sensor is connected with the isolating device, and the water-soluble switch is respectively connected with the isolating device and the flow control box. Through the above method, the automobile sunroof water leakage detection device of the present invention has a simple structure and is easy to operate. It is used to detect whether there is water leakage in the automobile sunroof, realizes the detection of the airtightness of the automobile sunroof, ensures the sealing performance of the automobile sunroof, and improves the quality of the automobile.

The invention discloses a scheduling attendance method based on VBA and C #, and the method comprises the following steps: s1, completing the generation of an original scheduling table through a scheduling table generation system, wherein the scheduling table generation system is an Excel table comprising a VBA automatic operation program; s2, completing mapping from an original scheduling table in an Excel format to a scheduling table in a Word format and statistics of workloads through a scheduling table processing system, and completing construction based on Visual C # by the scheduling table processing system; and s3, by loading the scheduling table and the clock-in information table, enabling the attendance management system to complete management of attendance personnel, management of attendance data and statistics of late and missing card information, wherein the clock-in information table is collected and generated by the clock-in device. All the steps are clear, compared withmanual scheduling, manpower is saved, and the problems of repeated scheduling and missing scheduling in manual scheduling can be solved.

The invention relates to a machine tool spindle oil cooling area sealing performance detection device which comprises a first connector used for being connected with a cooling oil outlet below an upper sealing ring of a spindle oil cooling area and a second connector used for being connected with a cooling oil inlet above a lower sealing ring of the spindle oil cooling area. The other end of the first connector is connected with a first air pipe, and the other end of the first air pipe is connected with a one-way valve. The other end of the second connector is connected with a second air pipe, and the other end of the second air pipe is connected with a pressure valve. The other end of the one-way valve is connected with the air source. According to the invention, the sealing performance of the oil cooling area of the main shaft can be rapidly, conveniently and accurately detected, the problem of factory repair caused by air leakage and oil leakage is effectively avoided, and the performance reliability of a whole machine tool and the quality of a product are improved.

The invention discloses a method for testing high-pressure gas purity, and relates to the technical field of gas detection. The method comprises the following steps of: step of lining sealing, whereina lining is tightly arranged between an upper sealing cover and a lower sealing cover; step of gas feeding, wherein a pressure control valve is opened, the gas in a high-pressure container enters thesealed space formed by the lining, the upper sealing cover and the lower sealing cover through a gas inlet pipe; step of testing gas purity, wherein the gas in the sealed space is measured by the gaspurity detector on the lower sealing cover, and the measurement result is sent to a controller; step of lining multi-station testing, the output shaft of the motor is controlled by the controller todrive the lower sealing cover and the lining to synchronously rotate so as to realize multi-station detection of the lining. The testing method solves the problem that an existing gas purity testing method cannot simultaneously detect the gas purity and the gas tightness of the high-pressure container, and is mainly used for testing the high-purity gas in the high-pressure container.

The invention provides a server liquid leakage detection system, a server liquid leakage detection method and electronic equipment, and relates to the technical field of server security detection. The server liquid leakage detection system comprises a liquid leakage sensing module; the resistance module is configured between the liquid leakage sensing module and the voltage output end of the server mainboard; and the substrate management controller is used for detecting the voltage value of the liquid leakage sensing module and determining the liquid leakage state of the server according to the detected voltage value. The internal space utilization rate of the server can be improved, and the circuit design and circuit maintenance cost can be reduced.

The invention relates to the technical field of nuclear power station maintenance, in particular to an integrated device suitable for nuclear reactor neutron flux tube overall water pressure test andhelium inspection. After a neutron flux tube spare part is prepared, a leakage detection device is designed for the requirements of a water pressure test and a nondestructive test, and support is provided for quality inspection of the spare part. In the invention, a helium leakage detector is connected with a helium leakage detection connecting device through a corrugated pipe buckle, a neutron flux tube is connected with the helium leakage detection device, a handle end is fixed at a sealing section of a middle body, the sealing section of the middle body is connected with a sealing ball valve through a bolt; in a helium leakage detection state, the outer wall helium filling device of the neutron flux tube is connected with the sealing ball valve through a transverse stop valve, a pressure gauge is connected with the sealing ball valve through a vertical stop valve; and in a water pressure test state, a hydraulic booster pump is connected with the sealing ball valve through the transverse stop valve. The efficiency is improved, the cost is saved, and the purpose of leakage detection can be well achieved.

The invention discloses building door and window wind pressure resistance laboratory detection equipment and a detection method thereof. The building door and window wind pressure resistance laboratory detection equipment comprises an air supply part, wherein an output end of the air supply part is fixedly connected with an air supply pipe, a left end of the air supply pipe is fixedly connected with a first air pipe, and a front end of the first air pipe and a rear end of the first air pipe are each fixedly provided with a second air pipe; left ends of the second air pipes are jointly and fixedly connected with an air outlet panel, the left end of the air outlet panel is fixedly connected with an air outlet cover, the left end of the air outlet cover is fixedly connected with an installation part, a sealing device is fixedly installed at the upper end of the installation part, a detection device is arranged at the left end of the installation part, and a second temperature detector penetrates through the left portion of the detection device. According to the building door and window wind pressure resistance laboratory detection equipment and the detection method thereof, an accurate wind pressure detection environment can be guaranteed, the detection function of the detection equipment is improved while the detection effect is improved, good sealing between a door and window piece and a mounting frame can be achieved through a sealing device, and it is guaranteed that detection work is conducted smoothly.

The invention relates to a method for detecting the leakproofness of a broadside suction port of a trailing suction ship, a pressure gauge is mounted at the bottom of a pipeline between the broadside suction port and a suction port gate valve, and different detection methods are adopted for detecting the leakproofness of the broadside suction port under the conditions of positive pressure and negative pressure borne in the pipeline at the broadside suction port. According to the invention, only the water suction pump and equipment of the trailing suction ship are utilized, docking or diving operation is not needed, and shore-based support is not needed, so that sealing detection of the side suction port of the trailing suction ship under two conditions of positive pressure and negative pressure can be realized; the pressure relief rate index is used as an evaluation index of the leakproofness of the broadside suction port, the pressure relief rate index is easy to calculate and obtain, and a scientific evaluation method is established for leakproofness detection of the broadside suction port; the detection method is accurate, high in operability, high in detection efficiency and high in safety, the trailing suction dredger can detect the suction port on the other side during single-rake construction, and construction and detection of the trailing suction dredger are achieved.

The invention relates to the technical field of machinery, in particular to buffer nail assembly tool. The buffer nail assembly tool is characterized in that a left guide pillar and a right guide pillar are arranged in a frame, a press-in air cylinder module, a clamping air cylinder module and a stretching air cylinder module are arranged along the guide pillars from top to bottom, a plurality of pressing heads of buffer nails are arranged on the lower surface of the press-in air cylinder module, a shell body positioning mould is arranged above the clamping air cylinder module, the press-in air cylinder module controls the pressing heads to move up and down along the guide pillars, and the stretching air cylinder module controls the clamping air cylinder module to move up and down along the guide pillars. Compared with the prior art, the buffer nail assembly tool utilizes an automatic assembly mode, achieves a series of functions such as automatic assembly of the buffer nails, neglected assembly of the buffer nails and in-place assembly detection by automatically controlling a press-in air cylinder, clamping air cylinders, a stretching air cylinder and a photoelectric sensor through a PLC, improves stability in the assembly process, has the effect of reducing scrapping of the product, is easy and convenient to operate and lowers work strength of operating personnel.

The invention discloses a fin heat exchanger cleaning water detection tank, which comprises a tank body and an oil-water separator. The tank body comprises four side plates and one bottom board. The four corners of the inner bottom portions of the side plates are respectively provided with a support column; the bottom portion is provided with a plurality of fluorescent lamps; and the four corners are respectively provided with an oil-removing water diversion pipe. A pipeline comprises a discharge pipe and a circulating pipe, wherein the discharge pipe is connected with the oil-removing water diversion pipes through branch pipes; one end of the circulating pipe is connected with the oil-removing water diversion pipes through a circulating pump, and the other end is connected to one side plate; and the oil-removing water diversion pipes and the branch pipes are in seal connection through threads and O-shaped rings. The fin-type heat exchanger cleaning water detection tank is reasonable in structure design; through the arrangement of the oil-water separator, oil in the water can be removed, thereby reducing water changing times in the water detection process every day; through the arrangement of the O-shaped seal rings and sealant, overall seal performance of the water detection tank is realized; through the arrangement of a drain outlet and a water inlet, pollution discharge and water feeding can be realized conveniently; and through the arrangement of cross bars and hooks, leakage detection can be carried out on a plurality of fins at one time, thereby improving working efficiency.

The present invention provides a tightness detection device which is formed by a detection mechanism and a control system. By using the 'pressure drop method' detection principle, a detected iron box is placed in an openable sealed box, then the sealed box is closed, an interlayer space is pumped to be vacuum, a pressure difference with the inner cavity of the iron box, and the tightness of the iron box is evaluated through measuring the interlayer space pressure change value in a predetermined time. Through adding a comparison tank with the approximate volume of the interlayer space, a detection process is divided into two steps, the first step is forming pressure balance in the comparison tank and the interlayer space and using a balanced pressure value to judge whether a large flow leakage condition exists, and the second step is using the 'pressure drop method' to detection a small leakage condition. The tightness detection device provided by the invention is used in a bullet automatic package production line, the online lossless detection of the tightness of the iron box can be realized, and the tightness detection of a national standard iron box and an American standard iron box can be realized through replacing a mold.

The invention is suitable for the technical field of object sealing performance detection, and provides a sealing performance detection method based on an optical coherence tomography system and a terminal. The sealing performance detection method comprises the following steps: obtaining the interference signal of the outer surface of a to-be-detected object collected by using an optical coherencetomography system; and processing the interference signal to obtain the structure image of the outer surface of the to-be-detected object, carrying out sealing performance analysis on the structure image, and judging whether the to-be-detected object is an object with a good sealing performance or not, thereby realizing sealing performance detection of the to-be-detected object.

The invention discloses a high-position intake pipe airtightness detection device, which relates to the technical field of auto parts production, comprising a base, a translational drive mechanism is provided on a moving frame, and clamping seats are fixedly connected to the adjacent sides of the fixed seat and the moving frame , the top of the fixed seat is fixedly connected to the top support frame, the top of the top support frame is fixedly connected to the fixed top frame, the top of the fixed top frame is fixedly connected to the partial pressure adjustment device, and an air compressor is provided on one side of the partial pressure adjustment device. The output end of the output end is fixedly connected to the first air pipe, the second air pipe is fixedly connected between the partial pressure adjusting device and the air guiding channel, and the air guiding pipe is fixedly connected to the air pressure display device. For the air-tightness detection of the intake pipe, the air pressure display device can be used to display the air leakage of the high-position intake pipe, and it can also display the air leakage speed. The detection effect of the high-position intake pipe is good and the detection result is accurate.

The invention belongs to the technical field of IGBT module packaging, and relates to a shell packaging structure of an IGBT module and a method for detecting the sealing performance of the shell packaging structure. The packaging structure comprises a shell, a bottom plate is arranged below the shell, and the shell and the bottom plate are fixed through an adhesive glue; the outer side of a connecting area of the shell and the bottom plate is coated with a film layer. According to the detection method, the internal space pressure of the shell is pumped to negative pressure, and if a gap exists between the bottom plate and the shell, the film layer at the gap is burst through due to the pressure difference between the inside and the outside of the shell after a certain period of time. And then, the IGBT module is taken out of the equipment, whether air holes exist in the film layer coating the outer side of the connection area of the shell and the bottom plate or not is observed, a gap can be effectively prevented from existing between the shell and the bottom plate, the IGBT module with the air holes returns to a previous procedure to be reinstalled, and the IGBT module without the air holes normally circulates.

The invention belongs to the technical field of power batteries, and discloses a battery pack liquid leakage detection device and a battery pack liquid leakage detection method. The battery pack liquid leakage detection device comprises: a detection circuit; a first liquid leakage detection belt and a middle liquid leakage detection belt which are arranged between two adjacent battery modules and are respectively arranged on two sides of the first liquid cooling plate, wherein the first liquid leakage detection belt is selectively and electrically connected to the detection circuit and is used for detecting liquid leakage of the top surface of the first liquid cooling plate, and the middle liquid leakage detection belt is selectively and electrically connected to the detection circuit and is used for detecting liquid leakage of the bottom surface of the first liquid cooling plate; and a second liquid leakage detection belt which is arranged between the second liquid cooling plate and the battery module located at the bottommost layer, and the second liquid leakage detection belt is selectively and electrically connected to the detection circuit and is used for detecting liquid leakage of the top surface of the second liquid cooling plate. The battery pack liquid leakage detection device can quickly position the general position of liquid leakage, and is good in reliability.

The invention discloses a hydrogen energy equipment testing system and testing method. The test system uses helium as the test medium, and the helium storage device supplies gas to the test system. The gas unloading cabinet, compressor, hydrogen storage cylinder group, and hydrogenation machine are in working condition, and the helium gas passes through the helium gas supply cylinder and the gas unloading cabinet. , compressor, hydrogen storage bottle group, hydrogenation machine, helium filling bottle, and finally to the helium gas supply bottle to form a gas circuit cycle to realize the test of hydrogen energy equipment. The molecular weight of helium is small, and the test result is more accurate , which is superior to nitrogen detection. Through this system, not only can gas leakage detection be realized, but also helium can be recycled. After the detection is completed, hydrogen is used to drive out the helium in the detection system, and then the magnesium-based hydrogen storage tank is used to absorb the helium. Hydrogen in the mixed gas, then recover the helium, and then use nitrogen to drive out the hydrogen in the detection system, then use the magnesium-based hydrogen storage tank to absorb the hydrogen in the mixed gas, and then recover the nitrogen to improve the detection accuracy. The cost of using helium is greatly reduced.

The invention discloses an electromechanical valve sealing performance detection device and method suitable for Internet of Things intelligent manufacturing, and the device comprises a mounting substrate, a plugging assembly, and an air pressure detection assembly, and the mounting substrate is provided with a detection position for placing a to-be-detected electromechanical valve; the blocking assembly is arranged on the mounting substrate and blocks an air outlet of the electromechanical valve located at the detection position, and an inflation channel is formed in the blocking assembly; an air port of the air pressure detection assembly communicates with the inflation channel, the air pressure detection assembly comprises an air pump and a pressure gauge, and the pressure gauge is arranged between an air outlet of the air pump and the plugging assembly and used for detecting the internal air pressure of the electromechanical valve; according to the invention, the plugging assembly is arranged to plug the air outlet of the electromechanical valve, then air is pumped into the sealed electromechanical valve through the air pump, and the air pressure in the electromechanical valve is measured through the pressure gauge, so that the sealing detection of the electromechanical valve is realized.

The invention discloses an air tightness detection device for a battery bottom support. The air tightness detection device comprises a battery bottom support cavity detection area and a rivet nut detection area, wherein a plurality of detection holes are formed in the rivet nut detection area, and the detection holes in the rivet nut detection area are in one-to-one correspondence with rivet nutson a peripheral beam of the battery bottom support; each detection hole is correspondingly communicated with one sealing groove, and a vent hole is formed in the side wall of each sealing groove and communicated with the water tank on the periphery of the rivet nut detection area; a sealing ring is further laid on the rivet nut detection area, and a through hole is formed in the position, corresponding to each detection hole, of the sealing ring. The sealing ring is laid on the rivet nut detection area, the detection hole is formed in the rivet nut detection area, the detection hole is communicated with the water tank through the sealing groove, sealing between a workpiece and the detection area is achieved, leakage detection of the rivet nut on the workpiece is achieved, bubbles generatedin the ventilation opening can be visually seen through the external water tank, and therefore, which rivet nut has leakage can be accurately identified.

The invention discloses a passive optical fiber detection method. An optical splitter is included, reflected light of the detection light is transmitted to the fault detection device through the branch optical fiber, the shunt router, the multimode coupler, the shunt coupler and the trunk optical fiber in sequence; the fault detection device carries out optical fiber fault detection according to the detected reflected light, the optical splitter works through a backward Rayleigh scattering signal generated in the detected optical fiber, and the test items are the length of the optical fiber, the attenuation of the optical fiber, the fault point of the optical fiber and the joint loss of the optical fiber. All optical fiber faults, including branch optical fibers, of the passive optical network are detected at the OLT; according to the invention, the operation and maintenance cost of an operator can be greatly reduced, the construction of a flexible optical transmission network is facilitated, users can share optical fibers and OLT optical transceiver equipment, the sealing detection of a plurality of passive optical fiber sensors is realized, the design is novel, and a good innovative scheme is provided.