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31results about How to "Guaranteed to be used correctly" patented technology

Intelligent management system of electric power grounding wire based on RFID (Radio Frequency Identification Device)

The invention discloses intelligent management system and method of an electric power grounding wire based on an RFID (Radio Frequency Identification Device). The intelligent management system of the electric power grounding wire comprises an RFID electronic label installed on a grounding wire, an RFID electronic label installed on an electric power tower, a hand-held PDA (Personal Digital Assistant) and a warehouse server, wherein the RFID electronic label installed on the grounding wire is used for storing the parameter information of the grounding wire; the RFID electronic label installed on the electric power tower is used for storing the parameter information of the tower; and the RFID electronic label on the grounding wire is respectively in radio-frequency wireless connection with the hand-held PDA and the warehouse server, the RFID electronic label on the tower is in radio-frequency wireless connection with the hand-held PDA, and the hand-held PDA is communicated with the warehouse server through a communication network. The grounding wire closed-loop management system based on the RFID can be used for effectively improving the warehousing management level of the groundingwire, reducing equipment loss, preventing the misoperation of hanging / removing operation of the grounding wire and improving the running efficiency of an electric power system and the safety levels of workers.
Owner:NANJING CARVEDGE TECH

Key management mechanism

The invention relates to the field of computer information security, and discloses a safe and convenient key management mechanism. The key management mechanism comprises the following steps: firstly, primitively initializing cryptographic equipment in an initial state, and then generating an equipment signature key and an administrator signature key; issuing all administrator certificates, and then generating a backup key, a backup equipment key and a memory equipment key to finish primitive initialization; and electrifying for initializing the cryptographic equipment in a ready state. By adopting the technical scheme, the key management mechanism ensures key safety management, and ensures key safety use by explaining the initialization mode and process through various types of key initialization, thus solving the problem of realizing the safety and reliability of the cryptographic equipment in terms of key management and use.
Owner:WUXI JIANGNAN INFORMATION SAFETY ENG TECH CENT

Device for rapidly detecting sealing performance of object at low temperature

The invention discloses a device for rapidly detecting the sealing performance of an object at low temperature, which comprises a substrate. The top of the substrate is provided with a ventilation groove. A sample to be detected is covered above the ventilation groove. Sealing washers are arranged between the bottom surface of the sample to be detected and the top of the substrate. The top of the sample to be detected is provided with a pressing tool. The sealing washer is arranged between the top surface of the sample to be detected and the pressing tool. The bottom of the pressing tool is provided with the ventilation groove which is communicated with the top of the sample to be detected. The ventilation groove at the top of the substrate is communicated with a gas molecule mass spectrometer leak detector. The ventilation groove at the bottom of the pressing tool is communicated with a gas source. The device for rapidly detecting the sealing performance of the object at the low temperature can detect and obtain the sealing performance of product components and parts sealed by rubber at the low temperature.
Owner:TIANJIN LISHEN BATTERY

GIS-based grounding wire safety monitoring system

The invention discloses a GIS-based grounding wire safety monitoring system, comprising a grounding wire signal transmission device, a grounding wire signal grounding wire signal receiving device and a grounding wire computer management system. Through the monitoring system, personnel in the power control center can judge the hanging state of grounding wire not only according to the reports of in-site construction workers, but also can directly judge the hanging state, the hanging number and the hanging position and the like by the monitoring system, thereby significantly reducing the incidence rate of electrical accidents.
Owner:SHANDONG UNIV OF SCI & TECH

Sweet taste gloss oil for tipping paper, making and use methods thereof and tipping paper

The invention relates to the technical field of tipping paper production, in particular to sweet taste gloss oil for tipping paper, making and use methods thereof and tipping paper. The making method comprises the following steps: a, weighing 13 to 17 parts by weight of acrylic resin, 6 to 7 parts by weight of nitrocellulose, 6 to 7 parts by weight of polyketone ether, 18 to 22 parts by weight of ethyl ester, 4 to 5 parts by weight of isopropyl ester, and 1 part by weight of sweet taste agent; b, placing the materials into a container, and stirring and mixing to obtain the sweet taste gloss oil for the tipping paper. By adopting the method for making the sweet taste gloss oil, the sweet taste gloss oil with a good use effect can be produced.
Owner:CHANGGE DAYANG PAPER CO LTD

Low-temperature fixed ball valve

A ball core is arranged in a main valve body, a first valve body and a second valve body are arranged on the two sides of the main valve body, the low-temperature fixed ball valve is provided with a first valve seat assembly and a second valve seat assembly, the valve seat assembly is provided with a first valve seat support, a first lip-shaped sealing ring and a first valve seat, the first valve seat support is provided with a pressure-bearing check ring, and the second valve seat support is provided with a second lip-shaped sealing ring. A sealing switching hole is formed in the ball core, during working, the sealing switching hole faces the upstream, the first valve seat assembly does not participate in sealing, a pressure medium enters the second valve seat assembly through the sealing switching hole, the second valve seat assembly plays a sealing role, when the second valve seat assembly loses efficacy, the sealing switching hole is switched to the downstream side, the first valve assembly plays a sealing role, and meanwhile, the second valve seat assembly is switched to the downstream side. The ball valve is provided with the audible and visual alarm, an operator can be reminded to switch the two sets of sealing assemblies or replace a failure assembly in time, the ball valve is further provided with the reverse rotation preventing device, the rotation range of the valve rod can be limited, and the situation that an incorrect sealing assembly is used for sealing is avoided.
Owner:CHENGDU CHENGGAO VALVE +2

Specimen holder of tube or bar for tension test

The invention discloses a specimen holder of a tube or a bar for a tension test. The specimen holder comprises a tension handle, a locking part, a holding seat and a holder body, wherein the holder body comprises a cylinder body and a circular truncated cone body which are integrally formed; the maximum external diameter of the circular truncated cone body is greater than the external diameter of the cylinder body; the whole circular truncated cone body is provided with at least two grooves along the axial direction, and the two grooves are used for segmenting the circular truncated cone body into holding blocks; a holding part for holding a test specimen is arranged on the inner surface of each clamping block; the holding seat sleeves the outside of the holder body and is connected with the holder body in a matching way; the holding seat is provided with a first conical surface matched with the circular truncated cone body; the front end of the locking part is connected with the holding seat through a spiral structure; the tension handle is connected with the rear end of the locking part. The specimen holder disclosed by the invention is small in size, convenient in disassembly and assembly and uniform and reliable in holding force; the specimen holder realizes automatic centering in a clamping process, is uniform, quick and reliable in clamping, and is particularly suitable for being used in a high-low temperature environmental cabinet with compact structure and small space.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Outdoor intelligent electrocardiogram monitoring system and working method thereof

The present invention relates to the technical field of medical devices and discloses an outdoor intelligent electrocardiogram monitoring system and a working method thereof. An MCU circuit unit, a wireless circuit unit, a storage circuit unit and an analog-to-digital conversion circuit unit and at least one pair of electrocardiosignal connection ends are built into an electrocardiogram chest paste terminal, automatic collection and local recording of digital electrocardiogram data are realized, existing algorithm runs to diagnose whether abnormal electrocardiogram exists, if the abnormal electrocardiogram is diagnosed, diagnosis results and corresponding abnormal electrocardiogram data are sent wirelessly to a communication base station. Besides, the diagnostic results and corresponding abnormal electrocardiogram data can be transferred and uploaded to a back-end server through the communication base station, then the back-end server generates an alarm message and the alarm message istransmitted to a medical care terminal in a nearby region of the communication base station. Thus, the outdoor intelligent electrocardiogram monitoring system can notify professional medical staff intime for emergency treatment in case of emergency and is especially suitable for outdoor scenes such as physical examination, training, military training and the like.
Owner:CHENGDUSCEON ELECTRONICS

Multifunctional myopic control eyeglass

The invention relates to a multifunctional myopic control eyeglass. The eyeglass which comprises a glass frame with height-adjustable nose supports, and eyeglasses is characterized in that: each eyeglass comprises an upper far luminosity zone, a middle zone and a lower close reading zone; and there is a visual channel with two degree changes, wherein one degree change is between the optical center of the upper far luminosity zone and the optical center of the middle zone just below the upper far luminosity zone, and the other degree change is between the optical center of the middle zone and the optical center of the close reading zone just below the middle zone. The eyeglasses are specially divided into three zones for the zero adjustment and the zero aggregation of reading and writing in the invention, so problems of the adjustment and the aggregation of close range reading and writing are thoroughly solved, the visual fatigue is eliminated, and myopia and degree increase are prevented, thereby present computer times of the comprehensive eye utilization are complied. The multifunctional myopic control eyeglass which allows previous neglected computer groups to be substantially facilitated allows the visual field to be clear, real and stable through the humanized zone height of each zone of the eyeglasses. The three zones which are used for cooperating with the adjustment of the eyeglass frame allow an image jumping phenomenon to be avoided. The wearing position of the eyeglass is accurate to guarantee the correct utilization of each zone, prevent the generation and the development of myopia caused by the fatigue of internal and external muscles of eyes and ciliary muscles.
Owner:付祖家

Intelligent dynamic electrocardiogram system and working method thereof

The invention relates to the technical field of medical instruments, and discloses an intelligent dynamic electrocardiogram system and a working method thereof. On one hand, an MCU circuit unit, a Bluetooth wireless circuit unit, a storage circuit unit, an analog-to-digital conversion circuit unit and at least one pair of electrocardiogram signal connection ends are built in an electrocardiogram recording terminal, and automatic collection and local recording of digital electrocardiogram data can be achieved; on the other hand, the Bluetooth wireless circuit unit and a WiFi wireless circuit unit are built in a charging box. During charging, the digital electrocardiogram data can be transferred and uploaded to a background server by an established Bluetooth D2D wireless network and WiFi wireless network. The data transmission manner can not only reduce the power consumption demand for the electrocardiogram recording terminal, but also reduce complexity of the electrocardiogram recordingterminal, so that additional communication sensor fittings are not required to be arranged, weight is further reduced, wearing is convenient, instability of Bluetooth real-time transmission is reduced, and the effects of electromagnetic interference and the like are prevented.
Owner:CHENGDUSCEON ELECTRONICS

Substation ground wire monitoring system and method

The invention provides a substation ground wire monitoring system and method which aims at avoiding the wrong operation which is easy to cause when devices of a hanging ground wire and the like are detached in a substation, reducing the number of the wrong operation of the substation, improving the safety coefficient of the power production and protecting the personal and equipment safety. The substation ground wire monitoring system comprises a radio frequency scanning receiver, a radio frequency card and a ground wire control unit which is arranged in a ground wire chamber; the radio frequency scanning receiver is arranged in a ground wire cabinet; the distance between the placement position of the radio frequency scanning receiver and the placement position of a ground wire head is within an effective receiving range; the radio frequency card is placed on the ground wire head; the ground wire control unit is formed by an embedded computer and a plurality of 485 communication ports, wherein the embedded computer serves as a center controller and the ground wire control unit is connected with the radio frequency scanning receiver through the radio frequency scanning receiver; the ground wire control unit is connected with a background computer of a main control room in a wireless communication mode and connected with a voice alarm system and a liquid crystal touch display screen of the main control room through the background computer.
Owner:JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1

Dye storage device capable of simultaneously storing dyes in multiple colors

The invention discloses a dye storage device capable of simultaneously storing dyes in multiple colors. The dye storage device comprises a box body, three sets of glass containers which are arranged in a front and back symmetry mode are evenly arranged in the box body up and down, the number of the glass containers is six, dye storage cavities are formed in the glass containers, spiral connectinggrooves with downward openings are formed in the upper sides of the glass containers, spiral connecting mechanisms are arranged in the spiral connecting grooves, gear grooves with backward openings are formed in the upper sides of the spiral connecting grooves, gears are arranged in the gear grooves and connected with racks located on the rear sides of the gears in a meshing mode, and the racks are located in rack sliding grooves with leftward openings and connected with the rack sliding grooves in a sliding mode. Inclined block sliding grooves with backward openings are formed in the front end walls of the right ends of the rack sliding grooves, inclined blocks are slidably connected into the inclined block sliding grooves, the rear ends of the inclined blocks are located in the rack sliding grooves, and metal blocks are fixedly arranged at the front ends of the inclined blocks. Various dyes can be separated from one another and stored in the same box body at the same time, and the situation that the different dyes are prone to be mixed and affected in a pipeline conveying process can be avoided.
Owner:东阳泰菲存储科技有限公司

Ground data processing method and vehicle-mounted equipment based on ctcs-1 level

The invention provides a CTCS-1 grade-based ground data processing method and vehicle-mounted equipment. The method comprises the steps that a wireless transmission unit receives a transponder group number sent by the host of vehicle-mounted equipment; the wireless transmission unit judges whether incoming line data corresponding to the transponder group number exists in incoming line data information received from ground equipment; and if the incoming line data corresponding to the transponder group number exists in the incoming line data information received from the ground equipment, the wireless transmission unit sends the incoming line data corresponding to the transponder group number and the receiving time of the wireless transmission unit to the incoming line data to the host of the vehicle-mounted equipment host, and if the incoming line data corresponding to the transponder group number does not exist in the incoming line data information received from the ground equipment, the wireless transmission unit does not send the incoming line data to the host of the vehicle-mounted equipment. According to the invention, the correct use of the ground data including the transponder data and the incoming line data by the vehicle-mounted equipment is ensured, the safety of train operation is improved, and various safety accidents such as derailment, overturning, collision and the like of trains due to wrong use of train control data are avoided.
Owner:CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD

Electronic level collimation vertical line offset determination calibration method

The invention discloses an electronic level collimation vertical line offset determination calibration method. The electronic level collimation vertical line offset determination calibration method comprises the following steps that the offset between a vertical induction reading center line of a figure reading electronic device and a reticule plate vertical marking line is determined by determining left and right limit positions for ensuring the normal reading of an electronic level; the vertical induction reading center line of the figure reading electronic device is calibrated by using a mechanical or electronic method; and the center position of a coding scale is collimated by using the calibrated vertical induction reading center line of the figure reading electronic device. The accurate collimation of the electronic level is achieved, the correct use of the electronic level is ensured, and the on-site adjustment capability and working efficiency of surveyors are improved.
Owner:DALIAN SENBIOR SURVEYING INSTR TECH CO LTD

Intelligent management system and method of electric power grounding wire based on RFID (Radio Frequency Identification Device)

The invention discloses intelligent management system and method of an electric power grounding wire based on an RFID (Radio Frequency Identification Device). The intelligent management system of the electric power grounding wire comprises an RFID electronic label installed on a grounding wire, an RFID electronic label installed on an electric power tower, a hand-held PDA (Personal Digital Assistant) and a warehouse server, wherein the RFID electronic label installed on the grounding wire is used for storing the parameter information of the grounding wire; the RFID electronic label installed on the electric power tower is used for storing the parameter information of the tower; and the RFID electronic label on the grounding wire is respectively in radio-frequency wireless connection with the hand-held PDA and the warehouse server, the RFID electronic label on the tower is in radio-frequency wireless connection with the hand-held PDA, and the hand-held PDA is communicated with the warehouse server through a communication network. The grounding wire closed-loop management system based on the RFID can be used for effectively improving the warehousing management level of the groundingwire, reducing equipment loss, preventing the misoperation of hanging / removing operation of the grounding wire and improving the running efficiency of an electric power system and the safety levels of workers.
Owner:NANJING CARVEDGE TECH

A sample fixture for pipe or bar for tensile test

The invention discloses a specimen holder of a tube or a bar for a tension test. The specimen holder comprises a tension handle, a locking part, a holding seat and a holder body, wherein the holder body comprises a cylinder body and a circular truncated cone body which are integrally formed; the maximum external diameter of the circular truncated cone body is greater than the external diameter of the cylinder body; the whole circular truncated cone body is provided with at least two grooves along the axial direction, and the two grooves are used for segmenting the circular truncated cone body into holding blocks; a holding part for holding a test specimen is arranged on the inner surface of each clamping block; the holding seat sleeves the outside of the holder body and is connected with the holder body in a matching way; the holding seat is provided with a first conical surface matched with the circular truncated cone body; the front end of the locking part is connected with the holding seat through a spiral structure; the tension handle is connected with the rear end of the locking part. The specimen holder disclosed by the invention is small in size, convenient in disassembly and assembly and uniform and reliable in holding force; the specimen holder realizes automatic centering in a clamping process, is uniform, quick and reliable in clamping, and is particularly suitable for being used in a high-low temperature environmental cabinet with compact structure and small space.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

A method for automatic adjustment of vehicle headlights with bidirectional detection of vehicles

The invention discloses a vehicle headlamp automatic regulating method for a bidirectional detecting vehicle. The vehicle headlamp automatic regulating method comprises the following steps: S1, detecting whether a first vehicle and a second vehicle exist within a front set distance of the vehicle, wherein the first vehicle is a vehicle which travels opposite to the vehicle, and the second vehicle is a vehicle which travels in a direction the same as that of the vehicle; S2, when the first vehicle exists, entering S5, otherwise, entering S3; S3, if the second vehicle exists, entering S4, otherwise, not regulating the vehicle headlamp, and ending; S4, judging the headlamp state of the vehicle, if the headlamp is a dipped headlight, not regulating, and switching on the dipped headlight and ending if the headlamp is a high-beam lamp; S5, judging the headlamp state of the first vehicle, switching off the high-beam lamp and switching on the dipped headlight after flickering the high-beam lamp of the vehicle if the high-beam lamp is the high-beam lamp, judging the headlamp state of the vehicle if the vehicle headlamp is the dipped headlight, not regulating if the vehicle headlamp is dipped headlight, switching off the high-beam lamp and switching on the dipped headlight if the vehicle headlamp is the high-beam lamp, and ending. The method can accurately regulate far and near light of the vehicle under different conditions, so that the travelling safety is improved.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Multifunctional myopic control eyeglass

The invention relates to a multifunctional myopic control eyeglass. The eyeglass which comprises a glass frame with height-adjustable nose supports, and eyeglasses is characterized in that: each eyeglass comprises an upper far luminosity zone, a middle zone and a lower close reading zone; and there is a visual channel with two degree changes, wherein one degree change is between the optical center of the upper far luminosity zone and the optical center of the middle zone just below the upper far luminosity zone, and the other degree change is between the optical center of the middle zone and the optical center of the close reading zone just below the middle zone. The eyeglasses are specially divided into three zones for the zero adjustment and the zero aggregation of reading and writing in the invention, so problems of the adjustment and the aggregation of close range reading and writing are thoroughly solved, the visual fatigue is eliminated, and myopia and degree increase are prevented, thereby present computer times of the comprehensive eye utilization are complied. The multifunctional myopic control eyeglass which allows previous neglected computer groups to be substantially facilitated allows the visual field to be clear, real and stable through the humanized zone height of each zone of the eyeglasses. The three zones which are used for cooperating with the adjustment of the eyeglass frame allow an image jumping phenomenon to be avoided. The wearing position of the eyeglass is accurate to guarantee the correct utilization of each zone, prevent the generation and the development of myopia caused by the fatigue of internal and external muscles of eyes and ciliary muscles.
Owner:付祖家

Intelligent tool management and control method and device, management and control cabinet and readable storage medium

PendingCN114662905AControl alarmAvoid Casual Use SituationsResourcesOperating systemInformation needs
The invention relates to an intelligent tool management and control method and device, a management and control cabinet and a readable storage medium. The method comprises the steps of obtaining identity information corresponding to a borrowing user; determining whether the identity information has a receiving authority according to the identity information; if yes, determining corresponding target task information based on the identity information; according to the target task information, target tool information needing to be received by a borrowing user is determined; generating borrowing record information based on the tool receiving operation of the borrowing user; acquiring positioning information corresponding to a return user; according to the positioning information, determining return track information of going to the management and control cabinet; obtaining returned tool information based on the tool returning operation of the returning user; matching the information of the returned tools and instruments; if the matching is successful, generating prompt information; otherwise, the alarm is controlled to give an alarm. The device has the effect that tools and instruments are easy to control.
Owner:深圳蓄能发电有限公司

Improved sitting posture rectifier for rowing machine

The invention discloses an improved sitting posture rectifier for a rowing machine. The rectifier comprises a cushion and further comprises a fixed back rod, a front-back adjustment rod and a fixed front rod, and the lower end of the fixed back rod is arranged on the cushion; the front-back adjustment rod is in an arc shape, and the arc protrudes upward; the back end of the front-back adjustment rod is connected to the upper end of the fixed back rod, and the fixed front rod is connected to the front end of the front-back adjustment rod; the rectifier further comprises an upper limit plate, anup-down adjustment rod, a connection column and a lower limit plate, the lower end of the up-down adjustment rod is arranged on the cushion, the lower limit plate is arranged on the top of the up-down adjustment rod, the upper limit plate is parallelly arranged on the upper side of the lower limit plate, and the upper limit plate is connected with the lower limit plate through the connection column; the connection column is arranged on the back side edges of the upper limit plate and the lower limit plate. According to the improved sitting posture rectifier for the rowing machine, the body ofa user is prevented from shaking under clamping of the fixed front rod and the fixed back rod, body fixing is achieved, correct application of the rowing machine is guaranteed, and the injury probability is lowered.
Owner:成都友劲科技有限公司
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