183results about How to "Prevent loss" patented technology

The invention relates to the technical field of multi-core processors, and discloses a transaction protocol conversion method, device and equipment and a storage medium, one end of a transaction protocol conversion component is connected with a processor of a first bus protocol, the other end of the transaction protocol conversion component is connected with a main node of a second bus protocol, and the transaction protocol conversion component receives a transaction transmitted by the processor; and converting the transaction into a transaction message conforming to the second bus protocol according to the message format of the second bus protocol. And transmitting the transaction message carrying the retransmission identifier to the main node. And the main node feeds back a retransmission response to the processor through the transaction protocol conversion component. After receiving the retransmission response, the transaction protocol conversion component enters a waiting stage; and after receiving a retransmission notification fed back by the main node, retransmitting the transaction message to the main node. The transaction protocol conversion component realizes a request channel conversion function of two different bus protocols, and is provided with a retransmission function, so that the ordered processing of various transactions by the main node is ensured.

The invention discloses a signal processing method based on a double-pointer annular high-speed buffer area, and relates to the technical field of signal processing, and the method comprises a high-speed annular buffer area: an array with a fixed length is created, so that data can circulate at the tail end of the array to return to the starting end, and an annular structure is formed; the double pointers are provided with a writing pointer and a reading pointer, the writing pointer indicates the current position where the data can be written, new data are always written into the position pointed by the writing pointer, the reading pointer indicates the current position where the data can be read, and after the data are read, the reading pointer moves to the next position. According to the signal processing method based on the double-pointer annular high-speed buffer, the partition utilization rate is evaluated regularly, and the partition size is adjusted, so that too high or too low free space of the partition can be avoided, and storage resources can be utilized more sufficiently.

The invention relates to the technical field of data processing, and discloses a BIM model storage system and method based on lightweight data, and the system comprises a tree segment management module which is used for constructing a tree segment structure, and taking each segment as a storage unit; the segment multiplexing creating module is used for creating multiplexing segments in the tree-shaped segment structure, realizing data multiplexing in a reference mode, and creating style segments for centralized management of drawing attribute information; the parallel rendering module is used for rendering the model primitives by adopting a parallel computing method based on the geometric information and the attribute information in the multiplexing segments; the lightweight data generation module is used for organizing the BIM model data according to a tree-shaped segmentation structure and generating a binary data file; and the data compression module is used for compressing the binary data file to generate a compressed format storage file. The technical problem that efficient storage, transmission and application requirements of the BIM model are difficult to meet in the prior art is solved.

A coal slime flotation process control method based on a distributed pyramid dynamic Bayesian network comprises the steps that the coal slime flotation process is divided into three sub-processes, a global quality index variable and a local quality index variable are determined, and a global dynamic Bayesian network is established; key variables in the sub-processes are determined, correlation among the variables is analyzed, and process time delay in each process is determined; determining the number of time slices of the first layer of dynamic Bayesian network; performing structure learning, and establishing a network structure of a first layer of the model; combining the same nodes of adjacent time slices into one node, and constructing a second-layer dynamic Bayesian network structure; bayesian network parameter learning is carried out; actual working condition data information is collected, and when an abnormal working condition occurs, a sub-process causing abnormity is determined; a local pyramid dynamic Bayesian network is utilized to determine a root cause causing an abnormal working condition; making a control decision scheme according to the abnormal reasons, and eliminating abnormal working conditions; the method can eliminate abnormal working conditions in time.

The utility model relates to the technical field of heat exchangers, in particular to an end cover for a ship heat exchanger, which comprises a body, two cover bodies and two groups of connecting mechanisms, the cover bodies are connected with the body through the connecting mechanisms, the top of each cover body is provided with a connecting pipe, the number of the cover bodies is two, and the number of the connecting mechanisms is two. The connecting mechanism comprises a sliding groove, an electric sliding block, a fixing plate, an open groove, a telescopic rod, an iron block, a fixing block and a clamping block, the sliding groove is formed in the cover body, one end of the electric sliding block is in sliding connection with the sliding groove, the other end of the electric sliding block is connected with one end of the telescopic rod, the other end of the telescopic rod is connected with the iron block, and the clamping block is arranged in the open groove. The fixing plate is arranged on the body, the open groove is formed in the fixing plate, the bottom of the iron block penetrates through the open groove, the fixing block is arranged at the top of the fixing plate, and the end cover for the ship heat exchanger solves the problem that an existing device is inconvenient to disassemble.

The utility model relates to the technical field of water quality detection equipment, and particularly discloses a portable water quality detection device which comprises a storage structure, a water quality detector and an ultrasonic cleaning instrument, a first groove body, a second groove body, a third groove body and a fourth groove body are formed in the surface of the top of the storage structure, and a bottom groove matched with the bottom end of the water quality detector in an embedded mode is formed in the bottom of the first groove body. A frame groove for using the button function of the water quality detector is formed in the surface of the front end of the storage structure, and the frame groove is communicated with the first groove body. According to the technical scheme, the water quality detector, the detection probe, the ultrasonic cleaning instrument and the water body detection pipe can be contained and placed at the same time by arranging the multiple groove bodies in different shapes, so that the instruments can be conveniently and rapidly transferred, ultrasonic cleaning can be conducted before the detection probe is used for detecting a water body by arranging the ultrasonic cleaning instrument, and the water body detection efficiency is improved. The authenticity of water body detection data is ensured.

The invention relates to an intrusion object detection method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring to-be-detected image data; performing multi-scale feature extraction on the to-be-detected image data by adopting a mixed attention mechanism through a multi-scale feature extraction layer to obtain a plurality of image data intermediate features of different scales; performing multi-direction expansion convolution processing on each image data intermediate feature through a feature enhancement layer to obtain a plurality of image data enhancement features of different scales; and through a detection layer, feature fusion is carried out on the image data enhancement features to obtain multi-scale fusion features, and intrusion object detection is carried out based on the multi-scale fusion features. By adopting the method, the false detection rate of intrusion detection of small-size intrusion objects can be reduced.

The utility model discloses a feeder assembly of a chip mounter, which relates to the technical field of chip mounters and comprises a feeder body used for installing an adjusting mechanism; the adjusting mechanism is used for driving the avoiding type locking mechanism to move leftwards or rightwards; the avoiding type locking mechanism is used for installing and fixing the material disc; the receding type locking mechanism comprises a connecting sleeve, a limiting ring, a limiting clamping block, a reset spring, a stud, a circular-truncated-cone-shaped push rod and an adjusting handle. The connecting sleeve is fixedly connected with the rotating shaft, and the limiting ring is fixedly arranged on the outer side of the connecting sleeve in a sleeving mode. According to the avoiding type locking mechanism, the charging tray can be conveniently fixed, meanwhile, the charging tray cannot be blocked, the situation that the avoiding type locking mechanism is lost can be avoided while the charging tray is conveniently taken down, and actual use is more convenient.

The utility model discloses a stone polishing machine protection device which comprises a main body, one side of the main body is connected with a top cover through a hinge, the top of the main body is provided with a first storage groove, the surface of the first storage groove is fixedly connected with a first protection pad, and the stone polishing machine protection device is suitable for placing a polishing machine; the main body, the top cover, the first storage groove, the first protection pad, the thread rope groove, the sponge pad, the placing opening, the limiting groove and the second storage groove are matched for use, so that the device can not only protect a polishing piece, but can protect an important working area of the upper half part of the polishing machine; the important area of the polishing machine can be completely placed in the protection device, so that the polishing machine is prevented from being damaged by external collision, the service life of the device is prolonged, meanwhile, compared with a single protection cover, the device is larger in shape and more conspicuous in a construction site, and therefore the situation that the device is lost is avoided as much as possible; therefore, the protectiveness and practicability of the protection device are improved.

The utility model discloses a multi-mode ball grabbing machine which comprises a ball grabbing machine shell, the front face of the ball grabbing machine shell is a first side face of the ball grabbing machine, and the bottom of the ball grabbing machine shell is a ball grabbing machine bottom face. A man-machine interaction assembly is arranged on the first side face of the ball grabbing machine, and the man-machine interaction assembly is used for carrying out information interaction with a user; a plurality of small ball control assemblies are arranged in the ball grabbing machine, the small ball control assemblies are arranged in a small ball containing cavity, the small ball containing cavity is of a structure with an opening in one side, and the opening side of the small ball containing cavity is arranged on the bottom face of the ball grabbing machine. The small ball control assembly comprises a small ball control motor, a motor shaft of the small ball control motor is connected with a small ball connecting cable, the other end of the small ball connecting cable is fixedly connected with a small ball part, and the small ball control motor is used for controlling the small ball part. A control assembly is arranged in the ball grabbing machine shell and used for controlling the man-machine interaction assembly, controlling the small ball control assembly and processing information obtained by the man-machine interaction assembly.

The utility model relates to the technical field of drying machines, in particular to a vacuum rake type drying machine with a cooling mechanism, which comprises a machine body, two supporting seats, a cooling block and a connecting mechanism, the supporting seats are arranged at the bottom of the machine body, a feeding component is arranged at the top of the machine body, a discharging component is arranged at the bottom of the machine body, and the cooling block is connected with the connecting mechanism. A stirring assembly is arranged on one side of the machine body, a vacuum assembly is arranged on the other side of the machine body, the cooling block is connected with the machine body through the connecting mechanism, the connecting mechanism comprises a connecting plate, an open groove, a connecting block, a limiting block, a telescopic rod, a long block, a sliding groove, a sliding block, a bearing, a rotating block and a through groove, one end of the connecting plate is connected with the side face of the machine body, and the other end of the connecting plate is connected with the through groove. According to the vacuum rake type drying machine with the cooling mechanism, the problem that existing equipment is inconvenient to disassemble is solved.

This utility model discloses an electric kettle, belonging to the category of household appliances, which solves the problem of manually opened kettle lids accidentally closing due to kettle body shaking. The technical solution mainly includes a kettle body and a kettle lid. The kettle lid is rotatably connected to the kettle body via a torsion spring-free method. The kettle body has two baffles, forming a movement space between the two baffles for the lid to move. Along the movement trajectory of the lid being manually opened, the baffles and the lid interfere with each other through friction. One of the kettle lid and kettle body has a limiting rib, and the other has a limiting groove. The limiting rib engages with the limiting groove after the lid is fully opened, keeping the lid in the fully opened state. This utility model mainly ensures that the kettle lid can remain in the fully opened state, allowing users to fill the kettle with water with one hand, improving user convenience.

The invention provides a high-pressure volumetric gas flow meter, and relates to the field of gas flow meters. A gas inlet in the right end of the gas flow meter main body is connected with a pneumatic box, and a gas inlet in the right end of the pneumatic box is connected with a filtering box body; and a transmission assembly is mounted at the top of the filtering box body. Through cooperation of the automatic cleaning assembly, the pneumatic box and the transmission assembly, sundries attached to the right side face of the filter screen can be automatically swept away, the air permeability of the filter screen is prevented from being affected, then the measurement precision of the air flow is improved, manual disassembly and cleaning are not needed, and therefore the convenience of the high-pressure volumetric flow meter is improved; the invention discloses a high-pressure volumetric flow meter, which solves the problems that a large number of sundries are easy to attach to the surface of a filter screen when the high-pressure volumetric flow meter is used for a long time although the filter screen is arranged at an air inlet of the high-pressure volumetric flow meter when the existing high-pressure volumetric flow meter is used for measuring the air flow, the air permeability of the filter screen is reduced by the sundries, and the measurement accuracy of the air flow is influenced.

The invention relates to a control circuit supporting SSD power-down protection, the control circuit comprises a power-down protection unit and a step-down conversion hot backup unit, the power-down protection unit comprises a power management module and an energy storage capacitor module, the step-down conversion hot backup unit comprises a voltage detection module and a switch control module, the power management module is provided with a Vi n end and a Vout end, and the Vi n end is provided with an energy storage capacitor module. The Vi n end is used for connecting an external power supply, and the Vout end is used for supplying power to the SSD; the voltage detection module is used for detecting the voltage of the Vout end so as to output a control signal of the switch control module, and the switch control module is used for controlling the energy storage capacitor module to discharge to the Vout end. When the external power supply connected with the Vi n end suddenly loses power and the power supply management module fails and cannot control the energy storage capacitor module to reduce voltage and discharge, the switch control module controls the energy storage capacitor module to discharge to the Vout end so as to supply power to the SSD to complete data protection operation.

The utility model provides a high-altitude rescue unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicle rescue equipment and comprises a mounting module arranged at the bottom of the rescue unmanned aerial vehicle, mounting guide rails are arranged at the bottom of the mounting module, a plurality of mounting blocks are fixedly arranged in each mounting guide rail, and a first socket is transversely arranged in each mounting block in a penetrating manner. A limiting assembly is movably arranged in each first inserting opening, a second inserting opening is vertically formed in each mounting block, each second inserting opening penetrates through the corresponding first inserting opening in the coaxial mode, a connector is detachably arranged in each second inserting opening, and a life buoy is arranged at the bottom of each connector. According to the life buoy, the electric push rod is started to be pulled out of the first inserting opening and the third inserting opening, the inserting groove is separated from the electric push rod, the connector is separated from the mounting block, the life buoy is made to fall down by earth gravity and fall beside help seeking persons, and then emergency rescue can be conducted on multiple help seeking persons.

The utility model discloses a special bracket for automobile engine detection, which comprises a base a and a base b arranged on the left side of the base a, driving sleeves are arranged on the outer walls of the upper ends of the base a and the base b and close to the front side and the rear side respectively, and driving rods are in transmission connection with the interiors of the driving sleeves respectively. Bracket bodies are arranged on the upper sides of the two driving rods to lift an engine, clamping grooves with upward openings are formed in the positions, close to the front side and the rear side, of the inner portions of the outer walls of the upper ends of the two bracket bodies correspondingly, and a fixing plate, a connecting rod and a tray are installed. The bottom of the engine can be protected in an anti-falling mode through the fixing plate with the transverse length larger than that of the bracket, in the process that a detector detects and maintains the engine on the lower side of the engine, overhauling tools and part tools needed for disassembly and maintenance are placed on the tray to be temporarily stored, follow-up taking and using are facilitated, and the situation of losing is avoided.

The invention relates to the field of data processing, and provides a data acquisition system, a data acquisition method, a computer storage medium and an electronic device.The data acquisition system comprises a task scheduling unit, a data acquisition unit and a data writing-in unit, the data acquisition unit comprises a plurality of acquisition nodes, and the task scheduling unit is connected with the data writing-in unit. The task allocation module is used for allocating acquisition tasks to the plurality of acquisition nodes and adjusting the acquisition tasks according to the states of the plurality of acquisition nodes; the plurality of acquisition nodes are used for acquiring service data from equipment deployed in an isolated network so as to complete the acquisition task; and the data writing unit is used for writing the business data into a specified database and recording the writing progress of the business data in real time in the process of writing the business data into the specified database so as to perform next data writing according to the writing progress. According to the data acquisition system, data loss can be avoided, and robustness is improved.

The invention discloses a dual-channel multi-pulse signal synthesis method, which belongs to the technical field of multi-pulse signal synthesis and comprises the following steps: acquiring a plurality of pulse signals and parameters thereof; the pulse signals are stored in a random type signal pool and a periodic type signal pool according to time domain characteristics in the parameters; synthesizing the pulse signals in the periodic signal pool into a periodic pulse sequence; synthesizing the pulse signals in the random signal pool into a random pulse sequence; synthesizing the periodic pulse sequence and the random pulse sequence into a dual-channel multi-pulse signal; according to the method, hardware resources used by the two channels are small, the two channels process signal sets with different properties, priorities do not need to be set for pulse signals to be synthesized, and when pulse overlapping occurs, the probability that each pulse can be reserved is not affected by the priorities; according to time domain feature classification, pulse synthesis is performed by taking a single pulse as a unit, so that the condition of large-scale pulse loss is avoided.

The application discloses a kind of fermented feed fermented by three strains of probiotics of Bacillus YA ( Bacillus sp ), yeast Y ( Saccharomyces cerevisiae ) and capsular red bacteria R3 ( Rhodobacter capsulatus ), and preparation method and application in aquaculture thereof, and viable count is not less than 1×10 7 CFU / g.The fermented feed is replaced ordinary feed according to certain proportion, and feeding result shows that aquaculture water quality is significantly improved after adding fermented feed, and fish growth performance, digestive enzyme activity, immunity, and muscle quality are also obviously improved.Using the feed in suitable range can shorten growth cycle, reduce cost, improve aquaculture environment, reduce antibiotic use, and improve muscle quality of farmed animals, with good economic and ecological benefits, simple fermentation process, low cost, and suitable for industrial large-scale production.

The invention discloses a trolley coding system of an annular furnace, the annular furnace and a trolley coding method, belongs to the technical field of heat treatment equipment, and aims to solve the problem that the position of a trolley is lost due to special fault conditions such as power failure, and the trolley coding system of the annular furnace comprises a hanging frame (1) and a supporting frame (4) which are arranged up and down at an interval, the plurality of hanging frames (1) are in one-to-one correspondence with trolleys (17) of the annular furnace, the arrangement modes of the to-be-detected elements (3) on each hanging frame (1) are different, and a plurality of detection elements (6) are arranged on the supporting frame (4). According to the trolley coding system of the annular furnace, all trolleys are coded, and the unique codes of the trolleys are directly recognized, so that the positions of the trolleys are confirmed. Even if special faults such as power failure occur, the position of the trolley can be mastered immediately as long as the system is recovered and the codes are identified.

The utility model relates to the technical field of sleeve selectors, in particular to a nut sleeve selector which comprises a base, a containing groove is formed in the upper surface of the base, a sleeve body is arranged in the containing groove, a control module body is arranged on the surface of the base, and a sealing protection mechanism is arranged in the containing groove. And the sealing protection mechanism comprises a storage groove formed in the inner wall of the placement groove, a threaded rod is rotationally connected to the inner wall of the right side of the storage groove, and a motor is fixedly installed on the upper surface of the base. According to the sealing protection mechanism, the threaded rod is driven to rotate through the first bevel gear and the second bevel gear under the operation of the motor, and the sealing plate moves through the rotation of the threaded rod until the sealing plate shields the placing groove, so that the placing groove can be sealed and protected; and external dust and foreign matters are prevented from falling into the sleeve while the sleeve is prevented from falling out of the placement groove, so that a guarantee is brought to subsequent sleeve placement work.

The utility model relates to the technical field of electronic product accessories, in particular to a magnetic ring support which comprises a magnetic base, a fixing piece, a rotating shaft assembly, a first ring buckle and a second ring buckle, the diameter of the second ring buckle is smaller than that of the first ring buckle, and the rotating shaft assembly comprises a first rotating shaft and a second rotating shaft. The first ring buckle is rotationally connected with the magnetic attraction base through the first rotating shaft, a fixing groove is formed in the magnetic attraction base, the second ring buckle is arranged in the fixing groove, the fixing piece is arranged in the fixing groove, and the second ring buckle is rotationally connected with the fixing piece through the second rotating shaft. According to the magnetic ring support provided by the utility model, the first ring buckle and the second ring buckle are rotatably arranged, so that the placing height and the placing angle of a mobile phone can have more choices, and greater convenience is brought to a user.

The anti-interference unmanned aerial vehicle electricity testing device comprises an unmanned aerial vehicle flight platform, the output end of the unmanned aerial vehicle flight platform is electrically connected with an electricity testing device, the output end of the left side of the electricity testing device is bidirectionally and electrically connected with a display module, and the output end of the bottom of the electricity testing device is bidirectionally and electrically connected with a starting power supply. The output end of the left side of the starting power supply is bidirectionally and electrically connected with a remote control module, the output end of the bottom of the starting power supply is bidirectionally and electrically connected with a central processing unit, the output end of the bottom of the central processing unit is bidirectionally and electrically connected with a data processing module, and the output end of the bottom of the data processing module is bidirectionally and electrically connected with an anti-interference protection unit. According to the invention, the anti-interference protection function of the unmanned aerial vehicle electricity testing device is added, so that the unmanned aerial vehicle electricity testing device has the effects of resisting interference and improving the working performance of the unmanned aerial vehicle electricity testing device, and the unmanned aerial vehicle electricity testing device is prevented from being easily interfered by external signals, electromagnetism and the like during working.

The invention discloses an Internet of Things equipment control method, equipment and a computer readable storage medium, and the method comprises the steps: obtaining the information of a cell accessed by a cellular module, and the information of the cell comprises a cell identifier and congestion information; if it is determined that a cell is in a congestion state according to the cell information, determining whether a sending instruction of the cellular module is overtime; and if the sending instruction is overtime, determining a target buffer duration of the server. According to the invention, by dynamically adjusting the target buffer duration of the server, the situation that the control instruction is lost due to overtime of the instruction is prevented, and the real-time performance of networking of the Internet of Things equipment is improved.

The utility model relates to an open channel flow measuring device with a pluggable transducer group, which comprises two side plates respectively mounted on two side channel walls of an open channel, accommodating slots are respectively arranged at two ends of the top surface of each side plate, a pluggable transducer transmitting mechanism is arranged in one accommodating slot of each side plate, and a pluggable transducer transmitting mechanism is arranged in the other accommodating slot of each side plate. And a pluggable transducer receiving mechanism is arranged in the other accommodating slot, and the transducer transmitting mechanism on one side plate is opposite to the transducer receiving mechanism on the other side plate. The transducer transmitting mechanism, the transducer receiving mechanism and the side plates are all designed in a pluggable mode, the transducer transmitting mechanism and the transducer receiving mechanism can be integrally moved out and are convenient to disassemble and assemble, when the transducer transmitting mechanism or the transducer receiving mechanism is damaged, the transducer transmitting mechanism or the transducer receiving mechanism can be independently moved out and replaced, overall replacement is avoided, and convenience in the using process is improved.

The utility model relates to the technical field of communication devices, in particular to a multifunctional communication device. The communication device comprises a communication device body and a dustproof mechanism, the dustproof mechanism comprises a connecting slot, the connecting slot is formed in the back face of the communication device body, four connecting sockets are formed in the back face of the communication device body at equal intervals, a dustproof cover is inserted into the inner side of the connecting slot, and a limiting assembly is arranged at the joint of the dustproof cover and the communication device body. A penetrating groove is formed in the position, opposite to the connecting socket, of the dustproof cover, an outer layer groove communicated with the penetrating groove is formed in the surface of the dustproof cover, an interlayer groove is formed in the inner side of the penetrating groove, a single dustproof plug is movably connected to the inner side of the penetrating groove, and a positioning connecting block is arranged on the outer side of the single dustproof plug and movably inserted into the inner side of the interlayer groove. The four connecting sockets on the back of the communication equipment main body can be uniformly protected, and dust is prevented from entering the communication equipment main body.

The utility model provides a temperature monitoring alarm device for a copying machine, which relates to the technical field of temperature monitoring alarm devices and comprises a temperature monitoring alarm, a display screen is fixedly connected to the surface of the temperature monitoring alarm, an alarm lamp is fixedly connected to the surface of the temperature monitoring alarm, a socket is arranged on the surface of the temperature monitoring alarm, and the display screen and the alarm lamp are fixedly connected to the surface of the temperature monitoring alarm. A mounting device is arranged on the surface of the temperature monitoring alarm and comprises a mounting block, the mounting block is fixedly connected with the temperature monitoring alarm, a fixing frame is slidably connected to the surface of the mounting block, a bottom plate is fixedly connected to the surface of the fixing frame, and the bottom plate is slidably connected with the mounting block. And the surface of the bottom plate is in threaded connection with a screw rod. According to the temperature monitoring alarm, the problem that the dismounting and mounting efficiency of the temperature monitoring alarm is influenced because the conventional temperature monitoring alarm usually needs to be fixed by turning a screw and the thread of a threaded hole is easy to slip in a frequent dismounting process is solved.

The utility model relates to the technical field of water quality monitoring devices, in particular to a water quality monitoring device for water environment protection, which comprises a bottom plate, a box body, a cover plate and a connecting mechanism, the box body is arranged at the top of the bottom plate, one side of the box body is provided with a liquid pumping assembly, and the other side of the box body is provided with a liquid outlet assembly. The cover plate is connected with the box body through the connecting mechanism, a water quality monitor is arranged at the bottom of the cover plate, a display screen is arranged at the top of the cover plate, the water quality monitor is electrically connected with the display screen, and the connecting mechanism comprises a positioning block, a sliding groove, a sliding block, a through groove, a hinge assembly, a movable block, an open groove and a telescopic rod. One end of the positioning block is connected with the cover plate, the other end of the positioning block extends into the box body, the sliding groove is formed in the rear face of the box body, one end of the sliding block is connected with the sliding groove in a sliding mode, and the water quality monitoring device for water environment protection solves the problem that an existing device is inconvenient to disassemble.

The utility model discloses a kind of gas sampling instrument, including sampling shell, the left and right sides of the lower end middle part of sampling shell are equipped with protective frame, the inside lower end middle part of sampling shell is equipped with connecting pipe, the lower end of connecting pipe is equipped with sampling bottle, further including sampling mechanism, sampling mechanism: it includes connector, limit slot, limit claw, limit head, limit protrusion and collection assembly, the lower end of the outer surface of connecting pipe is equipped with bearing, connector is set on the outer surface of bearing, limit slot is respectively opened in the left and right sides of the lower end of the outer surface of connector, limit claw is respectively slidably connected in the middle of the middle part of protective frame close to connector side, the gas sampling instrument, with sampling mechanism, air pipe is integrated with sampling shell, air pipe is received by mounting groove, portable air pipe is not easy to lose, sampling bottle can also be quickly connected and disassembled by the up-down movement of limit claw, improve the sampling efficiency of gas.

The utility model discloses a disc buckle type template support frame, which relates to the technical field of support frames, and comprises a plurality of connecting assemblies, support assemblies and locking assemblies, the connecting assemblies are connected with the adjacent support assemblies, and the locking assemblies are connected with the adjacent connecting assemblies; the connecting assembly comprises a connecting rod, a locking disc is fixedly connected to the connecting rod, stress plates are fixedly connected to the two ends of the connecting rod, and inserting blocks are fixedly connected to the stress plates; the supporting assembly comprises a bottom plate. By means of the connecting assembly, the supporting assembly and the locking assembly, supporting force is provided for the formwork, meanwhile, the connecting assembly can be locked, the overall stability is guaranteed, an independent plug pin is omitted, and therefore the situation of loss is avoided, the use cost is controlled, and use is convenient.