48results about How to "Valid trigger" patented technology

The invention discloses a flatness detection device based on civil engineering and relates to the technical field of civil engineering. A connecting box is fixedly connected to one side of a box body.Vertical frames are fixedly connected between the top and the bottom of the inner wall of the box body. The two vertical frames are arranged and located on the left side and the right side of the inner wall of the box body. A first electric telescopic piece is fixedly connected to the top and the bottom of one side of the inner wall of each vertical frame. By the adoption of the flatness detection device based on civil engineering, the device can be effectively triggered and stopped through a touch switch when an unstable condition happens, and stability is guaranteed; through mutual cooperation, whether flatness is reached or not can be known in time, observation is conducted, the accuracy in the measurement process is guaranteed, and work efficiency is improved; and the angles of pressswitch pieces correspond to those of squeezing blocks, the overall balance of the device can be guaranteed in the uphill and downhill processes, an inclination state is avoided, and the stability in the measurement process is guaranteed.

Disclosed are a method for interacting with video terminal equipment, an external control platform and a remote control. The method comprises the following steps: an operation area which can receive user operation instructions is set on the remote control; the operation instructions contain a location operation instruction and a selecting operation instruction; when an image frame received from far-end equipment contains contents which requires a user to select, a corresponding interactive image frame containing a plurality of target controls which respectively represent different selecting contents is generated according to the image frame, and a display content of a target control and operation during selection are set according to the selected content represented by each target control; the image frame and its corresponding interactive image frame are displayed in an overlapping manner on a screen; and after a first control signal for representing the operation instructions is received from the remote control, the target control selected by the user is determined according to the first control signal, and operation during selection of the target control is carried out. According to the invention, interaction between users and present video terminal equipment can be conveniently realized.

The invention provides a novel action mechanism of an electrical leakage protection module. The novel action mechanism comprises a base, a traction piece and a tripping actuating piece. The novel action mechanism also comprises a reset piece which can move on the base under the effect of an external force and is provided with a first matching portion and a first elastic element, wherein the first matching portion is provided with an acceleration tripping piece; the tripping actuating piece is provided with a second push rod; the second push rod is provided with a second matching portion; when no electric leakage occurs, the first matching portion is matched with the second matching portion such that the tripping actuating piece is immobile, and the first elastic element is in an energy storage state; when electric leakage occurs, the tripping actuating piece drives the second push rod to rotate under the effect of the traction piece, such that the first matching portion can be separated from the second matching portion in a sliding manner, at this moment, the first elastic element releases energy so as to apply an external force to the reset piece such that the reset piece can move on the base; the reset piece drives the acceleration tripping piece to move and force the acceleration tripping piece to abut against the second push rod such that a rotation actuating force can be to applied to the second push rod; and the direction of the rotation actuating force is basically the same as the direction of the rotation of the second push rod caused by the effect of the traction piece.

The invention relates to lower-than-lower-limit reverse control time base circuit. All functions of a 555 time base circuit are completely compatible, and new functions are expanded. The technical problem that a conventional master control circuit for higher-than-upper-limit control and lower-than-lower-limit control and a timing circuit are out of control due to failures and cannot timely cut power supplied to a load off to cause potential safety hazards. The technical scheme is that: a lower limit reference circuit, a comparison circuit and a triggering protection circuit are arranged; when a sensing circuit abnormally fails, the inversion of a post-stage circuit is preferably triggered, and a lower-than-lower-limit reverse control protection function is realized to forcibly cut the power supplied to the load off and reliably prevent the failures from causing uncontrollability. When applied to temperature, pressure, water level and timing control circuits, the lower-than-lower-limit reverse control time base circuit can improve the safety performance and avoid serious accidents such as fire when in use. Therefore, the lower-than-lower-limit reverse control time base circuit has high practical value and higher cost performance, and is more widely applied in the fields of electronic application such as small home appliance and simple measurement, timing, control, safety protection and the like.

The invention relates to a capping bottom safety control circuit and a safety temperature-control time-control electric appliance thereof. The technical scheme is that an out-of-limit conversion differential circuit is in parallel connected with two VH ends and two VL ends of a capping protection circuit, the out-of-limit conversion differential circuit is in parallel connected with the two input ends VI of a dip safety controller or an amplifier circuit, and the bottom limits of the out-of-limit conversion differential circuit and the dip safety controller of the amplifier circuit are set by a bottom circuit; the differential touch end of the out-of-limit conversion differential circuit is connected with an output end Vdo and a end DAR of the bottom safety controller or amplifier circuit, or the output end VQ of a gate circuit is connected with the end VZ of a Schmidt trigger circuit, and the output ends VTO and VFO of the Schmidt trigger circuit are externally connected with an execution circuit. The capping bottom safety control circuit provided by the invention can be applied to temperature, pressure, water level, timing and a measurement and control circuit, therefore the safety performance can be improved, the out of control accident can be prevented and the application is wide.

In order to form a transfer assembly with a simple and cost-effective structure for coupling a protection device triggering mechanism to a drive of a switching device with delaying means for delayed triggering of the switching process for the switching device when the protection device has triggered, it is proposed that the delaying means has a first lever (2), which is coupled to the protection device triggering mechanism and locks a weight element (4), which can be moved vertically between a first and a second position, in the first position via a latch arrangement (5, 6) and releases it when the protection device triggers, and a second lever (3), which is provided in order to actuate the drive and which can be actuated by the weight element (4); the weight element (4) can be transferred into its second position by means of the weight force thereof and a force exerted onto the weight element (4) by a first spring (8).

The invention discloses a leakage reminding barrel for a natural gas pipeline joint, and belongs to the technical field of natural gas. Through the arrangement of an outer sleeve and related components, when the pipeline joint leaks, leaked natural gas can enable an elastic film to protrude upwards, so that a switch button is automatically triggered to turn on a power supply, an alarm device can be started to give an alarm, related workers can know the occurrence of gas leakage in time, thereby eliminating potential safety hazards and greatly improving the safety; meanwhile, a conductive rod can be electrified to harden a state changed filling body and shape an elastic tubular bag, so that the sealing effect of the elastic tubular bag can be greatly improved, and the amount of natural gas leaking to the outside of the outer sleeve is remarkably reduced; by arranging a shading tube, the elastic film protrudes upwards, meanwhile, a part of the light-reflecting reminding rod can be automatically exposed out of a shading tube, secondary reminding is given out, the reminding function is enhanced, and practicability is greatly improved.

The invention belongs to the technical field of impulse power and particularly relates to an electromagnetic induction type self-triggering LTD. The LTD is composed of three parts of a triggering induction cavity module, an ordinary induction cavity module and a self-triggering induction cavity module. The three parts are connected in series through a secondary center convergence bar successively, the triggering induction cavity module forms several front stages of a channel of LTDs, the self-triggering induction cavity module forms several rear stages of the channel of the LTDs, and during working, only first stage induction cavity modules of the induction cavity module which are triggered synchronously are needed to be triggered, the whole channel of the LTDs can be triggered. According to the drive source, extra signals needed to be triggered are few, and the synchronization problem of extra signal triggering is not needed to be considered; the system reliability is high; extra triggering units are not needed, the size is small, the structure is compact, and the cost is low; and good expandability is provided, the number of the induction cavity module can be freely adjusted and no extra triggering number is needed to be added, and the LTD is applicable to large-scale LTD devices.

The invention relates to an SQL (Structured Query Language) injection vulnerability automatic detection platform and method based on self-adaptive random test. The detection platform runs on a Ubuntu 14.10 operating system. According to the detection platform, test cases are initialized; feature vectors of the test cases are analyzed and extracted; the test cases are subjected to vectorization representation; the test cases are sent to a test target by using an HTTP (Hyper Text Transport Protocol) request; a response of the test target is recorded; according to the response, whether an SQL injection vulnerability is found is determined; distances between the test cases are calculated; test cases for carrying out test next time are adaptively selected. The detection platform creatively proposes to use a self-adaptive random test method, and supports to rapidly and automatically detect the target in a customized mode; on the basis of arranging the rich test cases in the platform, users can add test cases according to use demands of the users, and the platform can automatically complete initialization, variation, feature extraction and calculation on the test cases, so that the optimal test effect is achieved.

The invention relates to the field of life health technology, and discloses a portable split type first-aid calling device. The device comprises a miniature housing and a household instrument housing.The left side of the miniature housing is fixedly connected with a patch. The left side of the patch is fixedly connected with a physiotherapy stone. The left side of the inner wall of the miniaturehousing is fixedly connected with a connecting block. According to the portable slit type first-aid calling device, through arranging a miniature split type device, the miniature housing facilitates carrying and satisfies a requirement for health insurance at home or in outgoing of a user. The patch can be adhered to the surface of the skin for repeated use, thereby facilitating remote asking-for-help by the user in any condition. A buffer can effectively attract attraction of surrounding personnel, thereby improving possibility of being saved by other persons. A lamp tube facilitates adhesionof the miniature housing to an affected part. The user can conveniently operate a first-aid button. Furthermore common conditions of the user can be indicated to the surrounding personnel, thereby greatly improving life health insurance of empty nests.

The invention relates to an SSD mapping table protection mechanism verification method and device, computer equipment and a storage medium. The method comprises the following steps: customizing a specific command 1 and a specific command 2; writing specific data into the SSD; reading the data in the SSD, and verifying the correct writing of the data; sending a specific command 1 to the SSD, setting a mapping table entry for the LPA x, and injecting 1-bit flipping; initiating a read operation on the user data of the LPA x; the SSD performs corresponding table items of an internal access mappingtable LPA x and performs error detection; returning correct user data to the host; and sending a specific command 2 to the SSD, and obtaining a table item count of an error occurring in the mapping table for the first time and a table item count of successful error correction. According to the method, various types of errors can be effectively triggered, the processing capacity of the SSD for different types of errors is verified, the reliability of an SSD scheme is effectively guaranteed, and the correctness of user data is guaranteed.

A low-noise load driving circuit structure aims to solve the technical problems that existing load driving circuits have power mismatch, fixed phase cut, dimming flicker, poor stability, and low immunity to electromagnetic interference. The features of the low-noise load driving circuit structure include a switch circuit connecting a first power source; a rectifier bridge, wherein the input port of the rectifier bridge is connected to the switch circuit and the first power source; an EMI filter circuit, wherein the input end of the EMI filter circuit is connected to the output end of the rectifier bridge; a dynamic adjustment circuit, wherein the input end of the dynamic adjustment circuit is connected to the output end of the EMI filter circuit; a control unit connecting the dynamic adjustment circuit; a voltage compensation circuit which is connected to the control unit and includes a bleeder circuit and a bias circuit; an output circuit connecting the output end of the rectifier bridge and the output end of the dynamic adjustment circuit; and an output filtering inductor connecting the output circuit. The low-noise load driving circuit structure is used to drive the load.

The invention relates to the technical field of high-altitude operation, and provides a lifting device. The lifting device comprises a lift car, a first limiting assembly and a second limiting assembly. The first limiting assembly is located above the lift car and comprises a top plate and a first control switch part, the first control switch part is located between the top plate and the lift car, and the top plate is suitable for moving relative to the first control switch part to trigger the first control switch part. The second limiting assembly is located below the lift car and comprises a third control switch part, and the third control switch part is suitable for being triggered by external force in the downward movement process of the lift car. According to the lifting device, control switch pieces do not need to be installed at a plurality of positions above the lift car correspondingly, the top plate is arranged above the lift car, and the first control switch part is arranged between the upper part of the lift car and the top plate so that the control requirement on the lifting device can be met. In addition, the number of the electric control boxes which are independently arranged in the lift car and correspond to the control switch parts is decreased, and therefore the structure of the lifting device is simplified, and installation and maintenance are convenient.

The invention discloses a device for water quality detection and waste separation along with water level change. The device comprises a detection device, a water inlet cavity with a leftward opening is formed in the detection device, a telescopic cavity is formed in the bottom wall of the water inlet cavity in a communicating mode, and an abutting cavity is formed in the bottom wall of the telescopic cavity in a communicating mode; the right end wall of the abutting cavity is communicated with a pushing cavity. The device is mainly applied to the process of detecting the water quality through water level change in rivers, the purpose of enabling the detection result to be more accurate can be achieved through the filtering effect of a filtering net in the detection process, a conduction mechanism is used for effectively triggering a reset mechanism, when the water amount in the water storage cavity meets the requirement, the telescopic plate can be moved in time through the reset mechanism, then the water inlet cavity is closed, the detection result is more accurate, water flows to the water bottom through a water inlet wheel, and then the purpose of garbage recycling and separating is achieved.

The invention discloses a passenger flow statistical method, device, system and equipment, and a storage medium. The method comprises the following steps: determining a detection area for detecting passenger flow according to a signal detection range formed by superposing a pyroelectric sensor, a Fresnel lens and a shell with pores in a pyroelectric acquisition module; when the detection area is triggered, acquiring a response signal of infrared radiation change in the detection area detected by the pyroelectric acquisition module; transmitting the coded response signal to a data receiving terminal matched with a Bluetooth module through the Bluetooth module connected with the pyroelectric acquisition module; and driving the data receiving terminal to upload the coded response signal to the server for decoding so as to count the passenger flow passing through the detection area according to a decoding result. According to the method, multiple persons triggering the detection area within the same time can be effectively distinguished and counted, the statistical accuracy of the passenger flow volume is improved, and meanwhile, the problem that a correlation type infrared sensor cannot be used in a wireless scene can be solved.