616results about How to "Simple configuration" patented technology

The invention relates to the technical field of mixed reality, in particular to a mixed reality multi-user interaction large-space positioning, aligning and collaborating system and method, and aims to solve the problems that in the prior art, the user interaction experience is improved only by collecting multi-aspect data for processing, efficient collaboration work of multiple users in a large space cannot be achieved, and the user experience is poor. Information sharing, task distribution and real-time interaction among users cannot be realized; information sharing, task distribution and real-time interaction among users are realized through the multi-user cooperation module, cross-device operation consistency is ensured through a multi-device sharing coordinate system, configuration is simplified, cooperation efficiency is improved, real-time data transmission is realized through multi-device network synchronization, delay is reduced, cooperation fluency is enhanced, and user experience is improved. The interaction reality sense is enhanced through physical interaction logic synchronization, the working process is optimized, and the cooperation experience is improved.

Disclosed is a wheel cylinder and a drum brake having the same, in which the number of position as well as other elements accompanied with the piston may be reduced, resulting in reduced manufacturing cost.

The invention relates to the field of intelligent power grids, and discloses a self-adaptive topology model construction method based on Ethernet frames, which comprises the following steps of: S1, carrying out initialization operation on a device, acquiring interval identification codes of all line switch intervals of the device, including opposite side identification codes and local side identification codes, and according to an I generation rule of an adjacent switch device, generating an I generation rule; calculating the IP address of the adjacent switching device of the line switch; s2, triggering an ARP (Address Resolution Protocol) broadcast packet, obtaining an MAC (Media Access Control) address of the IP address in the local area network through the ARP, and associating the interval identification code, the IP address and the MAC address of the adjacent switch to generate an association table; and S3, establishing communication of the adjacent power distribution terminals through the association table of the interval identification codes, and then determining interval switches of the adjacent power distribution terminals according to the interval serial numbers in the interval identification codes so as to establish the FA topology. The topology establishment of the intelligent distributed FA is realized through the identification code parameters, and the debugging work and the subsequent operation and maintenance work of the intelligent distributed FA are simplified.

The invention provides a network slice management method and a storage medium, and relates to the technical field of communication. The method is applied to a network management server and is configured to comprise a data connection configuration list, and the data connection configuration list comprises a mapping relation among an equipment address of industrial equipment, a wireless resource configuration parameter set in a base station and a network slice identifier. Acquiring a user permanent identifier of a target terminal corresponding to the target industrial equipment; and sending a wireless sub-slice configuration request to a base station according to the user permanent identifier of the target terminal, so that the base station attaches a protocol data unit PDU session of an Ethernet type established by the target terminal to a target wireless sub-slice corresponding to the target industrial equipment according to the wireless sub-slice configuration request, the establishment of the wireless sub-slices can be completed in the base station only by providing the wireless sub-slice configuration information in the network management server by an industrial user, and the method has the characteristic of simple configuration.

The invention relates to an automatic monitoring technology, and provides a permanganate index detection method and an on-line monitoring method.The permanganate index detection method comprises the steps that a first reagent is prepared, and a mixed solution containing 98% of sulfuric acid, anhydrous manganese sulfate and pure water is prepared into a mixed solution containing 10-25% of sulfuric acid; the method comprises the following steps: adding a quantitative reagent I into a water sample, and heating and digesting to 90-100 DEG C; dropwise adding a potassium permanganate solution, stirring at the speed of 280-350 revolutions per minute, and then keeping at the temperature of 90-100 DEG C for 10 minutes; dropwise adding a sodium oxalate solution, and uniformly stirring; dropwise adding a potassium permanganate solution again and stirring at the same time, and judging a titration end point according to the absorbance of the solution; and calculating the permanganate index according to the drop number at the titration end point. A certain amount of anhydrous manganese sulfate reagent is added into the sulfuric acid reagent, water bath heating is not needed, and the preparation method is simpler and easier to operate than a national standard method. The real drop number of the titration end point is obtained through the equation, so that the titration drop number is more accurate and is accurate to four decimal points.

The invention discloses a passive nuclear steam supply system which is characterized in that two ends of a hot-section main pipeline are respectively connected with a reactor pressure vessel and a steam generator, a main pump is vertically connected with the steam generator, two ends of a cold-section main pipeline are respectively connected with the pressure vessel and the main pump, the hot-section main pipeline is provided with a first liquid level pressure tap and a second liquid level pressure tap, and the cold-section main pipeline is provided with a second liquid level pressure tap. The first liquid level pressure tap is located at the bottom of the hot section main pipeline, the second liquid level pressure tap is close to the steam generator and located at the top of the hot section main pipeline, the reactor coolant system further comprises a pressure stabilizer and a surge pipe, one end of the surge pipe is connected to one of the hot section main pipelines, and the other end of the surge pipe is connected to the bottom of the pressure stabilizer. The passive nuclear steam supply system can allow the rated power of the reactor core to be remarkably improved.

A flow direction control device of heating stream and cooling stream is prepared as connecting said device separately to the first heat exchange unit, the second heat exchange unit, air conditioner and compressor for controlling heated working fluid from the first heat exchange unit to be sent to air conditioner for being used as the first heat media or to be sent to the second heat exchanger for being condensed there then to send it to air conditioner for being used as the second cooling media in order to make air conditioner output hot and cold alternatively, enabling to set heating course on the first heat exchange unit for providing the third heat media out.

The invention discloses a foot-ground contact force estimation and terrain classification method of an ostrich-imitating robot. The method comprises the steps that a foot-ground contact force mapping matrix of the ostrich-imitating robot is constructed, force-position hybrid control is carried out, foot-ground contact force is obtained according to the matrix and input torque of a plate spring to a passive joint, and terrain classification information is obtained after the ground contact state is judged; establishing a terrain classification fusion model based on a weighted voting mechanism, and training the model according to terrain classification information; and performing terrain classification according to the terrain classification information and the trained model. The foot-ground contact force is estimated through the joint corner information of the robot, no extra sensor needs to be installed, real-time and accurate foot-ground contact force estimation and contact state obtaining are achieved, the problem that the performance of an ostrich-imitating robot system is reduced or fails due to the fact that a force sensor is prone to being damaged is effectively solved, system configuration is simplified, and the system reliability is improved. Foot-ground contact force estimation and accurate terrain classification of the ostrich-imitating robot can be completed without depending on an external sensor.

The invention discloses a high arch dam deformation state fractional order numerical analysis method and module, and relates to the technical field of hydraulic structure service state analysis and computational mechanics. The method comprises the following steps: establishing a high arch dam body and dam foundation fractional order rheological mechanical element model by constructing a fractional order characterization method of attenuation rheological, steady-state rheological and accelerated rheological in a three-dimensional stress state; calculating an internal stress increment, a viscoelastic strain increment, a viscoplastic strain increment and a deformation increment in a delta tn time period by adopting a front difference formula according to the stress, the viscoelastic strain, the viscoplastic strain and the deformation at the tn moment by virtue of an increment finite element method, so as to obtain the stress, the strain and the deformation at the tn + 1 moment; and repeatedly calculating to obtain the stress, strain and deformation of the high arch dam in the analysis time period. According to the method, the nonlinear rheological effect of the dam body and the dam foundation of the high arch dam is objectively described, scientific deformation property numerical value quantitative analysis is achieved, technical support is provided for safety monitoring and dangerous case early warning of the in-service high arch dam, and the method has wide application prospects and market prospects.

The invention relates to the field of food technology, and discloses a phosphorus-free frozen water-retaining agent for tilapia fillets, and a preparation method and application thereof. A phosphorus-free frozen water-retaining agent for tilapia fillets is composed of the following substances in mass fractions: 0.3-0.7% sorbitol, 0.1-0.5% sodium citrate, 0.5%-1.3% soy protein isolate, and the rest is distilled water. The preparation method of the phosphorus-free frozen water-retaining agent is to take sorbitol, sodium citrate, and soy protein isolate in a container respectively, add distilled water, stir and dissolve to obtain. The phosphorus-free frozen storage method of tilapia fillets is to take the tilapia fillets and soak them in the water-retaining agent solution for 0.5-1.5 hours, take them out and vacuum pack them, and then quickly put them into a -20°C environment for frozen storage. The phosphorus-free frozen water-retaining agent of the present invention can not only inhibit the denaturation of protein and fat of tilapia during frozen storage, maintain the stability of fish fillet protein, but also improve the texture characteristics of the fish fillets, and improve the antifreeze and water retention.

The invention discloses an intelligent routing method and device based on link quality, and a storage medium, and provides basic data for intelligent routing by measuring and monitoring the tunnel quality on the device in real time, including link delay, bandwidth utilization rate, packet loss rate and other performance indexes, and uploading the performance indexes to an SDWAN management and control platform. After calculation is carried out based on the data, the SD-WAN selects a better path to carry out data transmission according to real-time network and application conditions. According to the method provided by the invention, a client can flexibly configure link quality thresholds, including packet loss (%), time delay (ms) and jitter (ms), of different application groups according to requirements, and when the network link performance is reduced, a specific application flow can be identified, and a better path is selected for the application group to transmit the data flow. According to the invention, the user configuration is simplified, the network quality is improved, and the network cost of the user is effectively reduced.

The invention relates to the field of ship transportation, and discloses a device for liquefying boil-off gas of an LNG cabin and a liquid ammonia cabin through ship liquid hydrogen cold energy. The device comprises a cold box heat exchanger, wherein a liquid hydrogen cabin and an LNG tank / liquid ammonia cabin are both communicated with the cold box heat exchanger; a liquid hydrogen boil-off gas circulation passage is arranged between the cold box heat exchanger and the liquid hydrogen cabin, and liquid hydrogen boil-off gas flows into the cold box heat exchanger from the liquid hydrogen cabin through the passage; an LNG / liquid ammonia boil-off gas circulation passage is arranged between the cold box heat exchanger and the LNG tank / liquid ammonia cabin, and LNG / liquid ammonia boil-off gas flows into the cold box heat exchanger from the LNG tank / liquid ammonia cabin through the passage; an LNG / liquid ammonia circulation channel is further arranged between the cold box heat exchanger and the LNG tank / liquid ammonia cabin, and LNG / liquid ammonia flows into the cold box heat exchanger from the LNG tank / liquid ammonia cabin through the channel. According to the device, effective utilization of the cold energy of the hydrogen evaporation gas is achieved, and the energy consumption in the LNG or liquid ammonia evaporation gas cooling and liquefying process is further reduced.

The invention belongs to the technical field of whole vehicle detection and authentication, and particularly relates to a method for generating an optimal solution and a feasible solution of an actual measurement scheme for a multi-record declaration value, which comprises the following steps of: performing logic association classification on parameters according to enterprise record information to form an entry system, and generating an optimal solution and a feasible solution of the actual measurement scheme based on preset logic of the entry system in combination with a binding relationship; project configuration information can be obtained; project configurations which cannot be covered by a similar report are screened, the configurations needing to be actually measured are integrated, only parameters related to actually measured projects and parameters with multiple declaration values in results are reserved, final actually measured analysis configurations are formed, and an actually measured scheme which most meets the requirements is found out through step-by-step combined analysis; and traversing other entries to generate a complete actual measurement configuration. According to the method, the technical problem of how to quickly and efficiently formulate the optimal detection scheme for the recorded parameters and the existing video report by a vehicle production enterprise is solved.

The invention relates to the technical field of terahertz metamaterial sensors, in particular to a vanadium dioxide-based polarization-insensitive ultra-wideband terahertz metamaterial wave absorber, which consists of a vanadium dioxide resonance layer, a photonic crystal plate dielectric layer and a metal reflecting layer, therefore, the terahertz metamaterial wave absorber formed by the invention is of a metamaterial resonance layer-medium-metal bottom plate structure with a simple configuration. Simulation results show that when VO2 is in a metal state, the wave absorber achieves ultra-wideband absorption within the frequency range of 4.78-13.28 THz, the average absorption rate is as high as 97.5%, the absorption bandwidth is 8.5 THz, and the relative bandwidth is 94.1%. By changing the conductivity of vanadium dioxide, the absorptivity of the wave absorber can be dynamically adjusted between 1.2% and 97.5%. The terahertz ultra-wideband wave absorber has potential application value in the fields of adjustable wideband absorption devices, stealth devices, thermal detection, terahertz switches and the like. In addition, the wave absorber has the characteristics of polarization insensitivity and wide-angle absorption, the practicability of the device in multi-scene application is further improved through the polarization insensitivity characteristic, and the wave absorber has the advantages of being multifunctional and high in reliability.

The invention discloses a PVG preparation method and device based on a vector light field generated by a spatial light modulator. The device comprises an illumination system, a phase design system and an exposure system. The lighting system is mainly formed by assembling a laser and a beam expander, and the phase design system is composed of two spatial light modulators (SLMs) which are named as a phase design system 1 and a phase design system 2 respectively. Wherein the lighting system and the phase design system 1 are sequenced on a center line, and the phase design system 2 and the exposure imaging system work on a vertical center line. According to the method, the flexibility of manufacturing the holographic waveguide of the polarization body is greatly improved, phase regulation and control are carried out through the programmable electric control element SLM to control the transverse period, and experimental errors caused by manual adjustment of a reflector in a traditional mode are reduced; meanwhile, the method is different from a traditional interference exposure method, and the whole system has high robustness; in addition, compared with a separated interference light path, one beam expander is used, and the problem of light beam consistency in the beam expanding process is avoided.

The invention relates to an aqueous iron-cerium flow battery electrolyte and a preparation method thereof, and belongs to the technical field of flow battery energy storage, in the electrolyte, the main component is an iron-containing salt, and the cerium-containing salt is respectively coordinated with N-(phosphonomethyl) iminodiacetic acid hydrate (PMIDA) and N-bis (phosphonohydroxymethyl) glycine (PAMG) or derivative chemicals thereof to form an aqueous solution of a coordination compound. PMIDA and PAMG have a plurality of functional groups such as carboxylic acid, phosphonic acid and amino, and can form stable polydentate coordination with metal ions, so that the stability of the coordination compound can be enhanced. And positive and negative electrolytes adopt the same chelating agent, so that cross contamination is reduced, the stability of the electrolytes can be ensured, and the service life of the battery is prolonged.

The invention discloses a distributed cross-network segment file transmission method. The method comprises the following steps of S1, deploying a file transmission service in a local area network; s2, carrying out transmission node registration among the local area networks through a file transmission service; s3, determining a transmission path according to whether a target node is contained in the local area network; s4, after a transmission path is obtained, encrypting the file fragments according to path information, and sending the encrypted file fragments to a next transmission node; s5, the receiving node decrypts the data packet according to the source node information and continues to transmit the data packet according to the routing information until the data packet arrives at the destination; s6, after receiving all the fragmented data, the receiver returns confirmation information of successful receiving to the sender; and S7, if the sender does not receive the receiving confirmation for a long time, re-sending the unconfirmed fragmented data packet. According to the invention, the file transmission efficiency and security are improved, and the reliability and stability of the system are enhanced.

The invention is suitable for the technical field of energy planning and configuration, and provides a distributed light heat storage coupling system configuration method and device, and the method comprises the steps: obtaining the heat load data of a non-central heating target region in a heating period and the equipment data of a distributed light heat storage coupling system; based on the equipment data of the distributed optical heat storage coupling system, constructing an electric-thermal coupling model; and based on the heat load data in the heating period, taking the minimum annual comprehensive cost of the distributed optical heat storage coupling system in the whole life cycle as an upper-layer target and the minimum annual operation cost as a lower-layer target, and solving the electric-thermal coupling model by using a particle swarm algorithm to obtain an optimal configuration result of the capacity of each device in the distributed optical heat storage coupling system. According to the method, the heat load data in the heating period can be fully considered in the configuration process, it is ensured that the system can meet the actual heating requirement of a user, and the capacity configuration optimal scheme of the distributed light heat storage coupling system in different scenes is determined through the bilevel programming model.

The invention relates to a high-solubility sulfonation-improved aqueous iron-based flow battery electrolyte, belongs to the technical field of flow battery energy storage, and aims to solve the problem of low solubility of the iron-based flow battery electrolyte, the novel high-solubility iron-based flow battery electrolyte is synthesized by adopting an asymmetric sulfonation ligand to chelate an iron element. And the concentration of the active substance at normal temperature can reach 1.3 M or above. The electrolyte is mainly composed of one or more iron-containing salts, and the iron-containing salts are coordinated with 3-trihydroxymethyl methylamino-2-hydroxy propanesulfonic acid (TAPSO), trihydroxymethyl methylamino propanesulfonic acid (TAPS), trihydroxymethyl methylamino ethanesulfonic acid (TES) or derivative chemicals thereof to form an aqueous solution of a coordination compound. The electrolyte is matched with ferrocyanide, can provide voltage of 1.3 V or above, shows excellent cycling stability while keeping high solubility, and creates new possibility for development and application of a flow battery technology.

The invention discloses a salt spray test device, which comprises a salt spray test box and an atomization device, the salt spray test box comprises a box body and a sample support frame, the box body is provided with a salt spray jet orifice, the sample support frame is provided with a sample installation position for accommodating a sample, and the sample support frame is installed in the box body of the box body. The atomization device comprises a shell, an ultrasonic atomization piece and an ultrasonic atomizer, the ultrasonic atomization piece and the ultrasonic atomizer are both installed in the shell, the ultrasonic atomization piece is installed in the ultrasonic atomizer, and the shell is provided with an atomization channel communicating with the box body and an inner cavity of the shell. In the salt spray test device provided by the invention, the atomization device adopts the ultrasonic atomizer and the ultrasonic atomization sheet to generate ultrasonic waves to atomize the salt solution, so that compared with a compressed air atomization method required by a traditional atomization device, dangerous sources are reduced, and compressed air does not need to be preheated by a saturation tower. Therefore, the use safety of the salt spray test device provided by the invention is improved.

The invention discloses a combined collecting agent for direct flotation of lepidolite and application of the combined collecting agent. The combined collecting agent is formed by compounding hexadecylsulfonic acid sodium salt and lauryl amine according to the molar ratio of 1: 3-3: 1. And lepidolite ore samples to be separated and water are mixed and stirred to be uniform, flotation ore pulp is obtained, after the pH value of the ore pulp is adjusted to the required pH value, the combined collecting agent is added, direct flotation desilicication is conducted, and a lepidolite concentrate product is obtained. The combined collecting agent shows good selectivity and excellent separation performance when being applied to the field of direct flotation desilicication of lepidolite, and has the advantages that the agents are easy to obtain, the preparation process is simple, and the dosage of the agents is small.

The invention relates to a combined complexing agent solution and application thereof in a zinc-based battery, the strategy that a complexing agent and zinc are coordinated to generate a zinc complex is adopted, the synergistic effect of a main complexing agent and an auxiliary complexing agent is adopted, and compared with a traditional electrolyte preparation strategy, the combined complexing agent solution provided by the invention is applied to an electrolyte of the zinc-based battery, so that the service life of the zinc-based battery is prolonged, and the service life of the zinc-based battery is prolonged. The electrolyte has the advantages of high stability, good cycle reversibility, inhibition of zinc dendrite growth and the like; the zinc-based energy storage battery electrolyte has the advantages of simple preparation process, wide working pH range, wide application range and the like, can be matched with various zinc-based energy storage battery systems, is wide in universality and has a wide application prospect.

The invention relates to a request shunting system based on a configuration algorithm, and relates to the field of computer networks and software engineering. The system comprises a data acquisition module which is used for collecting server state information and network request characteristics; the configuration algorithm module is used for adjusting a load distribution strategy of the server; the strategy configuration module is used for customizing and testing a shunting strategy by a background administrator; the shunting decision module is used for performing shunting decision on the output result of the configuration algorithm; the execution module is used for executing the shunting decision and guiding a request for executing the shunting decision to the server or the processing logic; and the monitoring and self-adaption module is used for monitoring the shunting effect and adjusting the shunting rule. According to the invention, the method achieves the dynamic adjustment of the request distribution strategy, guarantees that the server is still effectively processed when a fault or overload occurs, achieves the differentiated processing mode of the request, simplifies the system configuration, and improves the operation and maintenance efficiency.

The invention discloses a method and a system for realizing compatibility test of an operating system and an intelligent processor, and belongs to the technical field of operating systems. The method comprises the following steps: establishing an initialization module, acquiring basic information by identifying a tested object, generating an environment initialization configuration description and a program based on the basic information and the supplementary data, injecting the description and the program into a test main program, and establishing association in a test database; establishing an execution module, automatically identifying a tested object, selecting a to-be-tested intelligent processor model set, and automatically executing configuration and test in combination with test database information; and establishing an analysis module, generating a test report of the tested object by using the test results, and summarizing the test results to generate a multi-dimensional compatible report. According to the invention, automatic and rapid compatibility testing of the Linux operating system and the intelligent processor can be realized.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a method for inducing industrial cannabis sativa to generate female seeds through an inducer. The method comprises the following steps: (1) preparing an inducer mixed solution; the concentration of the nano-silver particles in the inducer mixed solution is 150 mg / L to 200 mg / L, the concentration of the gibberellin is 80 mg / L to 100 mg / L, and the concentration of the surfactant is 500 mg / L to 700 mg / L; (2) selecting industrial cannabis sativa which is about 10-15 days in the flowering period and is confirmed to be female plants, spraying the whole female plants of the industrial cannabis sativa in a mist form by using the inducer mixed solution in the near evening, avoiding stems, and preferably, spraying once every 2-3 days, spraying twice in total, and meanwhile, changing the illumination time, so that the female plants of the industrial cannabis sativa are obtained. The obtained industrial hemp seeds are all female. The method disclosed by the invention is high in all-female induction rate and good in stability.

The invention relates to the technical field of wastewater treatment and recycling, and discloses a sludge drying and condensing wastewater treatment and recycling system, which comprises an adjusting tank, a heat exchanger, a hydrolysis acidification tank, at least one A / O unit and an advanced treatment unit which are sequentially arranged along the flowing direction of sludge drying and condensing wastewater, wherein each A / O unit comprises an A / O reaction tank and a sedimentation tank, the A / O reaction tank comprises an anoxic tank and an aerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank are sequentially arranged in the flowing direction of the sludge drying condensed wastewater, and a filler for attachment of microorganisms is arranged in the aerobic tank; the deep treatment unit comprises a three-dimensional electrolysis reactor, a secondary flocculation sedimentation tank and a catalytic ozonation reactor which are connected in sequence. According to the system, the three-dimensional electrolysis technology is applied to sludge drying condensation waste water treatment, the process treatment capacity is high, suspended solids, COD, ammonia nitrogen and total phosphorus in the sludge drying condensation waste water can be effectively removed, the equipment operation and maintenance cost is low, and the secondary pollution problem is few.

The invention provides an aircraft equal-straight-part skin assembly and an aircraft equal-straight-part framework, the aircraft equal-straight-part skin assembly comprises a plurality of wall plates which are annularly and sequentially spliced, the inner surfaces of the wall plates are flush, and the inner surfaces of all the wall plates form a smooth cylindrical surface; the outer surface of each wall plate comprises a plurality of equal-thickness areas and transition areas which are alternately arranged in the heading direction, the thickness of any equal-thickness area is not smaller than the corresponding minimum load thickness, the surface of any transition area is an annular face arranged in the annular direction, and the boundaries of the two sides of any transition area make contact with the adjacent equal-thickness areas correspondingly. The thicknesses of the boundaries on the two sides of the transition areas are equal to the thicknesses of the equal-thickness areas in contact with the transition areas, and any transition area has a preset gradient in the course; therefore, under the condition that the aerodynamic performance of the aircraft is guaranteed, the configuration of the stringer and the annular frame tightly attached to the inner surface of the aircraft skin is simplified, and the manufacturing cost of the aircraft is reduced.

The invention discloses a wing-shaped shoulder rehabilitation training evaluation system based on simplified signal expansion, which realizes accurate monitoring and evaluation of a wing-shaped shoulder patient through household wearable IMU sensing equipment assisted by EMG + IMU signal fusion processing, can deeply analyze the activity states of muscles and joints, and can improve the rehabilitation training accuracy of the wing-shaped shoulder. And a personalized and standardized rehabilitation training scheme is provided for the patient. The system can assist a patient in more scientific and intelligent rehabilitation training in hospitals and home environments, the rehabilitation effect is improved, discomfort in the rehabilitation period is relieved, and a real-time data feedback and rehabilitation progress evaluation tool is provided for doctors.

The invention discloses an automatic sample injector which comprises a rack, and a driving unit, a sample injection part assembly, a tray mechanism and a needle washing mechanism are arranged on the rack. The sample injection part assembly comprises a sample injection needle, and the sample injection needle can move under the action of a driving unit; the tray mechanism comprises a tray body, the tray body is used for supporting a sample disc, the sample disc is provided with a plurality of concave cavities used for containing sample bottles, and the sample injection needles can pierce bottle plugs of the sample bottles to complete sample injection operation; and the needle washing mechanism is used for washing the sample injection needle. The sample injection needle cleaning device is reasonable in structure, good in sample injection needle cleaning effect and small in cleaning liquid consumption.

The invention discloses a vehicle diagnostic data publishing system and method, and a computer program product. The publishing system comprises a database for storing entity data, a database for storing configuration data used for indicating the entity data, a database for storing information of the diagnosis system and a task publishing module, and the task publishing module can generate task publishing information based on the information of the diagnosis system. And determining a target diagnosis system according to the information of the release task and the configuration data, and automatically executing the release task based on the release time, so as to enable the target diagnosis system to update entity data corresponding to the configuration data based on the configuration data after the configuration data is released to a target environment of the target diagnosis system. According to the mode, decoupling between the entity data of different target diagnosis systems is achieved, the entity data are issued to the multiple target diagnosis systems at the same time, the issuing platform is simple in configuration, the data expandability and the data issuing efficiency are improved, and the system and data maintenance cost is reduced.