251 results about "Exhaust emission" patented technology

The invention discloses a method and system for intelligently analyzing the authenticity of motor vehicle exhaust emission inspection data, and the method comprises the steps: receiving the detection data of motor vehicle exhaust emission, obtaining multi-source detection data through the combination of the maintenance data of a vehicle and a calibration log of detection equipment, carrying out the standardization processing of the multi-source detection data, and carrying out the verification of the multi-source detection data; generating standardized multi-source detection data; wherein the detection data of motor vehicle exhaust emission comprises a vehicle VIN code, detection time, a pollutant concentration value and a detection equipment serial number; based on the standardized multi-source detection data, constructing a detection mechanism association diagram, and detecting abnormal sub-diagrams in the detection mechanism association diagram by adopting an isolated forest model to obtain a mechanism collaborative anomaly recognition result; based on the trained first neural network model, inputting target vehicle information in the standardized multi-source detection data into the first neural network model to generate a theoretical emission curve, and calculating a time warping distance between actual measurement data of a target vehicle and the theoretical emission curve to obtain a vehicle trajectory anomaly analysis result; wherein the first neural network model comprises an LSTM model and / or a pulse neural network; and generating detection data authenticity early warning information according to a mechanism cooperation abnormity identification result and the vehicle track abnormity analysis result. According to the invention, through multi-source data fusion and intelligent analysis, the authenticity behavior of the motor vehicle exhaust detection data is effectively identified.

The invention discloses a space radiant energy collection and conversion system, which relates to the technical field of energy conversion, and comprises a motor, a main shaft, a steam turbine, an expansion machine and a synchronous generator, a clutch I and a clutch II are respectively mounted on the main shaft on the right side of the motor and the left side of the steam turbine; and a transmission I, a transmission II and a transmission III are sequentially mounted on the main shaft between the clutch I and the clutch II. According to the space radiant energy collection and conversion system, energy sources are infinite, and radiant energy in air and water is utilized and is an inexhaustible energy source; the cost is extremely low: the cost of generating one kilowatt-hour can be reduced to one minute; the system does not depend on fossil fuel, and pollution of exhaust emission to the nature is avoided.

The invention discloses an in-cylinder combustion process and chemical reaction mechanism-based hydrogen ammonia emission generation prediction system and method, and relates to the technical field of hydrogen internal combustion engine tail gas emission control, and the system comprises an input variable acquisition module, a combustion simulation module, a chemical reaction simulation module, an emission generation prediction module and an output interface module; according to the method, a mechanism-driven multi-physics field coupling prediction system is constructed, the simplified assumption limitation of a traditional empirical model is broken through, high-precision dynamic analysis of the emission characteristics of the hydrogen-ammonia engine is achieved, in combustion process simulation, in-cylinder turbulence mixing and flame propagation details are accurately described by using a CFD model, and in-cylinder combustion simulation is achieved. The chemical reaction module can significantly improve the prediction credibility of unburned fuel residues and pollutant generation through sensitivity analysis and mechanism optimization, in addition, through real-time coupling sensor data and simulation calculation, the abnormal emission trend can be pre-judged in advance, and a feedforward control basis is provided for the ammonia injection amount, the EGR rate and the ignition angle.

The invention provides a vehicle OBD-based emission monitoring system, and relates to the technical field of vehicle exhaust emission monitoring, the vehicle OBD-based emission monitoring system comprises an OBD vehicle-mounted terminal and a cloud server, the OBD vehicle-mounted terminal and the cloud server carry out data interaction through a network, and the OBD vehicle-mounted terminal specifically comprises a connection module used for connecting a vehicle ECU and obtaining vehicle engine operation characteristic data; the sensor module is used for collecting vehicle driving characteristic data; the emission prediction module is used for performing prediction analysis on the vehicle emission condition based on the vehicle engine operation characteristic data and the vehicle driving characteristic data to obtain a vehicle emission prediction result; the communication module is used for uploading the vehicle emission prediction result to a cloud server; and the cloud server is used for receiving and storing the vehicle emission prediction result, analyzing whether the vehicle has an emission abnormal condition based on the vehicle emission prediction result, and pushing prompt information to the outside when the vehicle has the emission abnormal condition. According to the invention, the OBD-based vehicle emission monitoring accuracy can be improved.

The invention discloses a method for monitoring tail gas emission of an aircraft refueling vehicle, and solves the problem that PM quantitative data acquisition is inaccurate in a complex environment of an airport. The method comprises the following steps: stably sampling and removing aviation kerosene steam through a sampling probe integrating sensing and flow guide adjustment; synchronously detecting and deducting background gas interference; performing secondary dehumidification and constant-temperature pretreatment on the tail gas; the double detection units are linked to collect multi-dimensional data, and a nonlinear interference correction model is constructed through fusion; and adopting an exclusive calibration mode and marking invalid data. The method further comprises the design of wind speed adaptation, condensation backflow prevention, working condition and area label optimization, double-link encryption transmission, safe installation, optical signal compensation, graded maintenance and the like. The method can resist multiple environmental interferences, PM detection errors are controllable, data updating is efficient, and airport safety operation and compliance monitoring requirements are met.

The objective is to provide a hydraulic control device for an internal combustion engine that can prevent abnormal noises and suppress deterioration of fuel efficiency and exhaust emissions. [Solution] A hydraulic control device for an internal combustion engine comprising: a first oil passage for supplying oil from an oil pump to a component; a second oil passage connected to the first oil passage for supplying the oil from the oil pump to a chain tensioner; a control valve provided in the first oil passage on the component side of the position where the second oil passage is connected; and a control unit for controlling the opening degree of the control valve.

The application discloses a kind of process method and fixture of processing wedge type locking block, method includes S1 preparation plate material;S2 blanking to plate material;S3 heat treatment plate material as blank;S4 numerical milling processing 1: numerical milling blank, drilling forms light hole and thread bottom hole, thread bottom hole tapping processing;S5 numerical milling processing 2: cutting blank;S6 surface passivation treatment;S7 to final inspection;For the fixture for processing wedge type locking block includes clamping seat, pressing plate, first locking screw and second locking screw, clamping seat is provided with clamping through slot, first threaded hole and mounting hole, pressing plate is provided with second threaded hole;By improving process method, multiple process contents are combined, clamping frequency is reduced, semi-finishing requirement in process is increased, no burr can be generated in process, because clamping frequency is reduced, part surface quality is improved;Raw material utilization is higher, is half of all materials of original process scheme, total amount of waste gas emission is reduced by half compared with original process scheme.

This invention provides a fuel injection method for an engine, an engine, a vehicle, and a computer-readable storage medium, relating to the field of vehicle exhaust emission control technology. The fuel injection method provided by this invention includes the following steps: Before the engine reaches a stable idle speed, fuel is injected at a preset fuel pressure during the first intake stroke and the first compression stroke of each working cycle, wherein the fuel injection mass ratio of the first intake stroke to the first compression stroke is greater than 4:1, and the preset fuel pressure ranges from 20 to 50 MPa. When the engine speed is at a stable idle speed, fuel is injected during the second intake stroke and the second compression stroke of each working cycle at a preset fuel pressure, wherein the fuel injection mass ratio of the second intake stroke to the second compression stroke is greater than or equal to 4:1. This method ensures that the vehicle's exhaust emission level meets the requirements of Euro 6 emission standards without requiring a particulate filter, thus optimizing the engine's original emissions.

The utility model relates to the technical field of automobile exhaust emission detection, and discloses an automobile exhaust emission detection device which comprises a detector and a probe, the probe is connected with the detector through a wire, a fixing frame is arranged on the side, away from the detector, of the probe, a connecting plate is fixedly connected to the side wall of the fixing frame, and the connecting plate is fixedly connected with the detector. A fixing mechanism is arranged in the fixing frame, and a dismounting mechanism is arranged between the connecting plate on one side and the probe; the fixing mechanism comprises a rotating ring, the rotating ring is rotatably connected to the interior of the fixing frame, an arc-shaped groove is formed in the rotating ring in a penetrating mode, and a guide rod is fixedly connected to the interior of the fixing frame. According to the device, the rubber ball is tightly attached to the exhaust pipe and fixes the position of the device by rotating the rotating ring, the rotating ring is locked through the spring and the clamping plate, and stable connection of the device is ensured, so that the device can be suitable for exhaust pipes with different thicknesses, and meanwhile, stable connection of the device and the exhaust pipe in the monitoring process is ensured.

This work vehicle is provided with: an engine 21; a muffler 22 which is disposed adjacent to the engine 21 and discharges exhaust of the engine 21 to the outside; a cooling unit 23 which cools hydraulic oil stored in a hydraulic oil tank 43 while circulating the hydraulic oil by a hydraulic pump 10; and a separation plate 53 which separates the muffler 22 and the cooling unit 23.

The invention relates to the technical field of motor vehicle tail gas detection, in particular to a method for detecting tail gas quality through rotating speed detection of a motor vehicle, which comprises the following steps: S1, preparing detection equipment and environmental parameter configuration; s2, instrument self-inspection and gas path cleaning before measurement are carried out; and S3, initializing docking measurement conditions of the exhaust system. Accurate rotating speed monitoring and pollutant concentration determination jointly ensure authenticity and representativeness of tail gas emission data, the pollutant concentration is effectively corrected through subsequent data processing means such as dilution factor and humidity correction, the accuracy of a test result is further improved, and based on comprehensive analysis of flow and pollutant concentration data, the accuracy of the test result is improved. According to the method, the emission quality and the specific emission amount in unit time can be accurately calculated, clear quantitative indexes are provided for whether the vehicle reaches the standard or not, the functions are used in cooperation, the high efficiency, the accuracy and the traceability of tail gas detection are guaranteed, and the method has remarkable practical value for improving environment monitoring and pollutant control.

System for calculating and collecting a road usage charge for a motor vehicle (1) powered by a drive unit (3), comprising a first control unit (20) arranged in or on the motor vehicle (1) and a second control unit (30) arranged outside the motor vehicle (1), wherein the first control unit (20) can exchange data with the second control unit (30), wherein the first control unit (20) generates a characteristic value dependent on actual energy consumption and / or actual exhaust emissions from data of the drive unit (3) during operation of the drive unit (3) and continuously stores it in a writable intermediate memory (23) of the first control unit (20), which reflects an environmental impact actually caused by the operation of the drive unit (3) in a defined time interval,wherein the first control unit (20) transmits the current value of the stored parameter to the second control unit (30) as part of the data exchange and clears the intermediate memory (23) after successful transmission of the parameter to the second control unit (30), and wherein the second control unit (30) calculates a road usage charge payable by the owner or driver of the motor vehicle (1) for that motor vehicle (1) for the time interval, characterized in that a first control unit (20) arranged in or on the motor vehicle (1) and a second control unit (30) arranged outside the motor vehicle (1) comprise, wherein the first control unit (20) can exchange data with the second control unit (30),wherein the first control unit (20) generates a data set dependent on actual energy consumption and / or actual exhaust emissions from data of the drive unit (3) during operation of the drive unit (3) and continuously stores it in a writable intermediate memory (23) of the first control unit (20), which represents an environmental impact actually caused by the operation of the drive unit (3) in a defined time interval, wherein the second control unit (30) transmits a formula to the first control unit (20) at the beginning of the data exchange, according to which the first control unit (20) generates a characteristic value for the time interval to be evaluated within the framework of this data exchange from the current values ​​of the stored data set, wherein the first control unit (20) transmits the generated characteristic value to the second control unit (30) and clears the intermediate memory (23) after successful transmission of the characteristic value to the second control unit (30),and wherein the second control unit (30) uses the transmitted parameter to calculate a road usage charge payable by the owner or driver of the motor vehicle (1) for that motor vehicle (1) for the time interval.

The utility model discloses a waste gas emission monitoring terminal, which relates to the technical field of waste gas monitoring and comprises a fixing component, a ventilation sleeve, air-tight doors hinged to two sides of the outer wall of the ventilation sleeve and communicating pipes arranged on two sides of the ventilation sleeve. The replacement part comprises a segmentation assembly arranged in the ventilation sleeve, an invasion assembly blocking plate arranged on the segmentation assembly, a pressing assembly arranged in the invasion assembly blocking plate and an extrusion assembly arranged at the end of the pressing assembly, and the invasion assembly blocking plate is inserted into the segmentation assembly. The movable rod is pressed to move, the movable rod drives the extrusion circular truncated cone to move, the fixed ball is made to move, and movement of the fixed ball is controlled. The fixing ball is clamped into or separated from the interior of the fixing groove, the monitoring piece is replaced, and the problem that an existing ventilation sleeve is hard in connection and inconvenient to replace is solved.

The present application provides a kind of energy-gathering disc pot rack and gas stove, it relates to the technical field of kitchen utensils, the energy-gathering disc pot rack includes energy-gathering disc body and support foot piece;Energy-gathering disc body is equipped with central through hole;Energy-gathering disc body is equipped with annular convex structure, the area between annular convex structure and the inner hole edge of central through hole forms secondary air preheating area.The gas stove includes energy-gathering disc pot rack.It relieves the technical problem that the existing gas stove exists in the combustion process, when the secondary air of lower temperature enters the central through hole of energy-gathering disc, there is diffusion to the gathering area of combustion heat energy air mass and heat exchange, reduces the temperature field of the gathering area of combustion heat energy air mass, so that the temperature of combustion flame is not high, causes heat energy loss, produces the technical problem of low combustion thermal efficiency, achieves the best effect of overall combustion condition, thereby improves the combustion thermal efficiency, and reduces the technical effect of CO exhaust emission.

To provide an air conditioning system that effectively regulates the heat of exhaust air and discharges temperature-controlled exhaust air to the outside. [Solution] The present invention comprises an outdoor unit, an indoor unit, a first refrigerant piping for circulating refrigerant between the outdoor unit and the indoor unit, a third heat exchanger for heating or cooling exhaust air discharged from the exhaust port of the outdoor unit, wherein the exhaust air heated or cooled in the third heat exchanger is discharged outside the air conditioning system, and a second refrigerant piping for circulating a portion of the refrigerant between the outdoor unit and the third heat exchanger so that the heating or cooling in the third heat exchanger is performed using a portion of the refrigerant that has been heat-exchanged with outside air in the first heat exchanger.

The invention relates to the technical field of fuel ratio regulation and control, in particular to a fuel self-adaptive ratio regulation and control method for a waste multi-fuel combustion boiler, which comprises the following steps of: obtaining combustion characteristic parameters of various fuels, calculating combustion performance values of the various fuels, grouping and dividing the fuels according to the combustion performance values, and regulating and controlling the fuel ratio of the waste multi-fuel combustion boiler. Calculating a difference value of two groups of fuel combustion performance mean values to obtain an initial performance difference value, determining a fuel proportioning parameter according to the initial performance difference value, monitoring and analyzing temperature data and waste gas emission amount data in a boiler operation process, calculating a temperature fluctuation value and a waste gas emission fluctuation value to obtain a combustion quality influence coefficient, and calculating a combustion quality influence coefficient according to the temperature fluctuation value and the waste gas emission fluctuation value; collecting a steam pressure oscillogram and feed water flow in equipment operation parameters, calculating a steam pressure fluctuation value and a feed water flow fluctuation value to obtain an equipment operation influence coefficient, performing weighted fusion on the combustion quality influence coefficient and the equipment operation influence coefficient to obtain a comprehensive influence value, and performing calibration analysis on an initial performance difference value according to the comprehensive influence value; therefore, the self-adaptive regulation and control of the fuel ratio parameters are realized.

The invention discloses a vehicle-mounted air conditioner filter with an efficient protection function, and relates to the technical field of vehicle-mounted air conditioner filters, a frame assembly is composed of a non-woven fabric fluffy frame strip and a PET frame strip, a filter material assembly is fixedly connected to an inner cavity of the frame assembly, a filter material assembly framework layer is arranged on the filter material assembly framework layer, and an activated carbon layer adheres to the framework layer. According to the present invention, bacteria, dust and virus vectors can be filtered, such that the filtration material assembly has functions of mildew resistance, bacteria resistance, virus resistance and mite resistance, the bacteria, the dust and the virus vectors can be effectively filtered from entering the vehicle, and the filtration effect is good. The high-efficiency adsorption performance is achieved for gaseous pollution sources discharged by automobile exhaust, the filter layer is protected against potential quality hazards such as abrasion or scraping in the machining process, and meanwhile low resistance and high ventilation quantity of the product are kept.

The application discloses a kind of rich defect perovskite coupling single-atom catalyst and its preparation method and application.The preparation method of the catalyst is that perovskite material doped with trace noble metal is dispersed in deionized water, after adding hydroxyl shielding agent, using ionizing radiation treatment, to introduce the defect that perovskite surface is uniformly distributed and promote the dissolution of trace noble metal (such as Pt, Pd or Au), form high dispersion single-atom catalytic active center.The solution after irradiation is dried and calcined, finally obtain rich defect perovskite coupling single-atom catalyst.The catalyst of the application has excellent catalytic activity and stability in the cooperative removal reaction of catalytic carbon smoke and NO x , especially suitable for automobile exhaust purification, industrial waste gas treatment and diesel engine exhaust emission treatment and other fields, with good application prospect.

The application provides a kind of automobile exhaust pollutant comprehensive detection device and method, it is related to air pollution detection technical field, automobile exhaust pollutant comprehensive detection device includes outer tube and exhaust sensor, support portion is equipped in outer tube, blade and cleaning piece can be rotated together on support portion, when the exhaust of temperature less than preset value is passed into outer tube, it can drive blade and cleaning piece to rotate, so that cleaning piece can be contacted with exhaust sensor surface and relative movement is generated, so that the pollutant adhered to exhaust sensor surface can also be cleaned in the stage of automobile cold start, guarantee the operation stability of exhaust sensor and the accuracy of detection data.When the exhaust of temperature greater than or equal to preset value is passed into outer tube, blade and cleaning piece coincide with support portion in the circumference of outer tube, to reduce the obstruction to exhaust flow path, reduce the influence on exhaust emission, while heating module operates.

The utility model relates to the technical field of carburetor production, and discloses a flow-adjustable carburetor which comprises a carburetor body, an oil inlet pipeline is installed at the inlet end of the carburetor body, a flow meter and a control valve are installed on the oil inlet pipeline, an iron cover is fixed to the other end of the carburetor body through a screw, and the carburetor body is fixed to the carburetor body through a screw. A floater cover plate is fixed to the top of the carburetor body through screws, a floater assembly is installed on the floater cover plate, and a gasoline filter and a gas saving assembly are installed on the rear side of the top of the carburetor body. An air adjusting sleeve is fixedly arranged on the carburetor body, and an air adjusting screw is installed on the air adjusting sleeve. The carburetor has the beneficial effect of flexibly adjusting the flow of the carburetor, and solves the problems that the working efficiency of an engine is reduced, the fuel consumption is increased, even the tail gas emission exceeds the standard, and the environmental protection performance is influenced as the flow of the traditional carburetor cannot be accurately adjusted in real time according to the working condition.

This invention discloses a method, apparatus, equipment, and medium for controlling a tunnel ventilation fan based on tunnel environment monitoring, relating to the field of automated energy-saving control technology. The method includes: acquiring a vehicle model image set and vehicle images and spectral imaging images of vehicles entering the tunnel, wherein the vehicle model image set includes sample images of several different vehicle models; identifying the vehicle model; using the spectral imaging image of each vehicle as input, monitoring exhaust emissions according to the vehicle model using a vehicle exhaust emission model, obtaining exhaust emission monitoring values, and controlling the operating state of the tunnel ventilation fan based on the exhaust emission monitoring values. This solves the problems of existing ventilation methods for long-distance tunnels, which cannot be individually controlled according to the tunnel environment, resulting in high energy consumption and high maintenance and operating costs.

The present invention aims to provide an exhaust gas purification device for an engine that suppresses the deterioration of exhaust emissions. The engine exhaust gas purification device includes: a first catalytic converter comprising a first housing and a first catalyst carrier held within the first housing; a second catalytic converter located downstream of the first catalytic converter and comprising a second housing and a second catalyst carrier held within the second housing; a connecting pipe connected between the first housing and the second housing, with its central axis bent; the first catalyst carrier having a downstream end face; the first housing having a downstream end protruding downstream from the downstream end face; the second catalyst carrier having an upstream end face; and a gap being formed between the downstream end face and the upstream end face in a direction perpendicular to the downstream end face.

The utility model discloses a medium-frequency exhaust emission device, which belongs to the field of metal processing and comprises a mounting bottom plate. The exhaust assembly is arranged on the upper surface of the mounting bottom plate in a penetrating manner; the impurity receiving assembly is arranged on the inner side of the exhaust assembly and comprises a mounting ring which is arranged on the inner side of the exhaust assembly; the sealing plate is arranged on the inner side of the exhaust assembly in a sliding manner; the filtering assembly is detachably arranged on the inner side of the exhaust assembly, and the filtering assembly is located above the impurity receiving assembly. According to the intermediate-frequency waste gas emission device disclosed by the utility model, through the cooperative work of the exhaust assembly, the impurity receiving assembly and the filtering assembly, the exhaust funnel in the exhaust assembly can stably exhaust waste gas generated by an intermediate-frequency smelting furnace, and the filtering module of the filtering assembly can effectively filter and block harmful substances in the waste gas; and the waste gas is discharged into the air after reaching the safe discharge standard.

The invention discloses a hybrid power output control method and device based on emission optimization, and belongs to the field of ship power system control, and the method comprises the steps: predicting the propulsion power demand of a next time step according to the propulsion power data of a historical time step; determining a first combustion state of the main engine at the current time step according to the first tail gas component data, and obtaining a multi-modal feature vector in combination with a first load state of the engine; obtaining a first main engine output power decision of an optimal first prediction Q value based on a deep neural network model according to the multi-modal feature vector; wherein the deep neural network is obtained by using a deep reinforcement learning algorithm and training through a reward function with tail gas emission minimization as a target; and controlling the hybrid power output system to execute power distribution operation according to the propulsive power demand and the first main engine output power decision. According to the invention, the problem of excessive exhaust emission caused by unreasonable power distribution of the hybrid power system can be solved.

The utility model provides a kind of low-speed marine diesel engine emission test sampling probe with cleaning core, it is related to low-speed marine diesel engine emission test sampling probe technical field, including sampling probe and built-in cleaning core;The cleaning core is composed of pipeline, high-temperature-resistant silica gel gasket and spray head, wherein, the inlet of pipeline is connected with cleaning agent source, and outlet is fixedly connected with spray head;High-temperature-resistant silica gel gasket is interferencely covered on pipeline, and its outer diameter is greater than the inside diameter of sampling probe, to realize dynamic sealing and isolate high-temperature flue gas;Spray head is provided with 8 evenly distributed small holes, for directional spraying cleaning agent;The cleaning core can rotate and move axially, cover all inner wall regions of sampling probe.The utility model is additionally provided with rotatable and axially movable cleaning core inside low-speed marine diesel engine emission test sampling probe, to realize non-disassembly type comprehensive cleaning inner wall, save maintenance time, completely remove adhered pollutants, and guarantee that emission detection error rate is ≤±1%.

The application relates to a marine exhaust treatment system and a ship, wherein the marine exhaust treatment system comprises a methane oxidation catalyst, a heat exchanger comprising a first heat exchange flow channel and a second heat exchange flow channel capable of heat exchange; the gas inlet end of the first heat exchange flow channel is communicated with a gas collecting pipeline connected with the exhaust outlet of an engine, and the gas outlet end of the first heat exchange flow channel is communicated with the gas inlet of the methane oxidation catalyst; the gas inlet end of the second heat exchange flow channel is communicated with the gas outlet of the methane oxidation catalyst, and the gas outlet end of the second heat exchange flow channel is communicated with the exhaust outlet of the marine exhaust treatment system. In the marine exhaust treatment system of the application, the waste heat generated by the methane oxidation catalyst itself is used to preheat the exhaust gas entering the methane oxidation catalyst, the temperature of the exhaust gas entering the methane oxidation catalyst is effectively improved, the methane conversion efficiency of the methane oxidation catalyst is improved, and the ship exhaust emission requirement is met.

The invention discloses a manufacturing method of a gas outlet pipe assembly of an automobile exhaust emission silencer, and relates to the field of automobile exhaust treatment. The manufacturing method of the air outlet pipe assembly of the automobile exhaust emission silencer comprises the five steps of material pretreatment, internal high-pressure forming, punch forming, assembly assembling and intelligent integration. According to the invention, through the combination of the double-circulation noise reduction design and the variable volume resonant cavity, the noise reduction performance is obviously improved; specifically, broadband noise reduction is achieved, specifically, high-frequency noise is effectively reduced through the double structure of the circulating pipe and the spring-shaped pipe, and the low-frequency noise treatment effect of the resonant cavity is further optimized by adjusting the shape of a cavity body and distribution of partition plates; vibration suppression: multiple layers of sound insulation cotton are embedded into the inner wall of the air outlet pipe, and an elastic connecting sleeve is combined, so that vibration transmission is effectively reduced, and the silencing effect is further improved; the design is not only suitable for traditional fuel vehicles, but also suitable for new energy hybrid vehicles, and diversified market requirements are met.

An integrated thermal management system for a mobile vehicle can include a hybrid compressor including a mechanical compression unit driven by a driving force of an engine and an electric compression unit driven by a driving force of an electric motor, and configured such that a blower is connected to the electric compression unit; a refrigerant circulation line fluidly connected to the hybrid compressor, a condenser, and an expansion valve to circulate a refrigerant thereto; and an indoor air conditioning unit configured to cool or heat air introduced by the blower and then discharge the air to an interior of the mobile vehicle, and including a cooling core connected to a point of the refrigerant circulation line downstream of the expansion valve of the refrigerant circulation line, and a heating core fluidly connected to an exhaust gas discharge line connected to the engine.

The utility model relates to a multi-chamber body strip steel sanding line which comprises a dust removal unit, a sand blowing high-pressure fan unit and a sanding chamber body consisting of a plurality of sanding units and a high-pressure fan sand blowing dust removal chamber, the multiple sanding units are sequentially arranged in series in the advancing direction of a steel belt, and each sanding unit comprises a sanding chamber and a dust removal chamber communicated with the sanding chamber. The high-pressure fan sand blowing dust removal chamber is mounted on one side of the sanding unit and communicates with the interior of the sanding unit; the sand-blowing high-pressure fan unit is arranged on the high-pressure fan sand-blowing dust removal chamber and is used for blowing air into the high-pressure fan sand-blowing dust removal chamber; the dust removal unit is installed on the outer side of the sanding chamber body and used for removing dust. The utility model has the effects of reducing the usable area of a workshop, saving energy, reducing the emission of dust-containing waste gas and improving the environment of the workshop.

The utility model relates to motor vehicle exhaust detection technical field discloses a motor vehicle exhaust emission rapid detection device, including support disc, the front side fixed connection of support disc has support column no.