93results about How to "Improve detection security" patented technology

The invention relates to a method and a device for detecting an insulator through a multi-rotor unmanned aerial vehicle. The device comprises a multi-rotor unmanned aerial vehicle, as well as an onboard control computer of a flight control system, a positioning device, an unmanned aerial vehicle steering engine controller, a height measuring device, a speed measuring device, a high-definition camera, an unmanned aerial vehicle PCM (Pulse-Code Modulation) remote control receiver, an onboard wireless communication unit and a lifting device which are arranged on the multi-rotor unmanned aerial vehicle; the lifting device drives a probing lower pole to move; the onboard wireless communication unit communicates with a ground station; the unmanned aerial vehicle steering engine controller controls a servo steering engine; the servo steering engine controls a multi-rotor module; a probing upper pole and the probing lower pole are respectively connected with respective voltage sensors; the two voltage sensors are connected with an A / D (Analogue-to-Digital) conversion unit, a DSP (Digital Signal Processor) unit and the onboard control computer of the flight control system. The method and the device provided by the invention can be used for knowing and control the operation condition of a circuit insulator in time; the risk when a detector climbs up to carry out near-distance electrified operation can be further avoided; and meanwhile, the detection efficiency can be improved.

The invention discloses a caterpillar track type road surface autonomous detection robot system which comprises a caterpillar track type robot and a remote monitoring auxiliary system. The caterpillar track type robot and the remote monitoring auxiliary system transmit information in a wireless communication manner. The caterpillar track type robot is provided with a control system, a nondestructive detection system and an operation mechanism; the operation mechanism is installed on the caterpillar track type robot; the nondestructive detection system is connected with the operation mechanism; the control system is electrically connected with the operation mechanism and the nondestructive detection system; and the nondestructive detection system comprises a resistivity meter, the operation mechanism comprises a telescopic mechanism, and the resistivity meter is connected with the telescopic mechanism. The invention further discloses a road surface detection method. By the adoption of the robot system, intelligent detection can be achieved; due to the fact that manual driving is not needed, the detection safety and the accuracy of detected data are improved; various nondestructive detection sensors are integrated, the road surface and the inner condition of the road surface can be comprehensively evaluated at a time, the detection efficiency is greatly improved, and the influences on the road passage are reduced as well.

The invention relates to the technical field of the welding line defect nondestructive detection, and especially relates to an actively-motivated welding line defect infrared intelligent detection system and method. The infrared intelligent detection system for welding defect detection is composed of a driving device, a regulating device, a high-definition camera, an upper computer, a signal generator, a laser pulse gauge, an infrared thermal imager and a code-spraying mark device, different types of welding slot defect can be detected, the infrared intelligent detection system of the welding slot defect can acquire a welding slot trend through the high-definition camera, the laser pulse gauge is used for emitting active laser pulse to perform thermal excitation on the welding slot region, the infrared thermal imager acquires an infrared thermal image, an upper computer system performs image processing on the infrared thermal image, and distinguishes the welding slot defect in real time, and the code-spraying mark device is controlled to automatic identify the welding slot defect location. The intelligent continuous detection of the welding slot defect can be realized, all welding slot defects can be effectively distinguished, and the system has the features of being energy-saving and environment-friendly, efficient and accurate, intelligent and continuous and safe and reliable.

The invention relates to the technical field of horizontal money counting and checking equipment, in particular to a horizontal multi-spectral money counting and checking machine. The horizontal multi-spectral money counting and checking machine comprises a machine body, a transmission device and a machine frame arranged in the machine body, wherein a money inlet part is arranged at the back end of the machine frame, a money outlet part is arranged at the front end of the machine frame, a detection part is arranged at the middle part of the machine frame, the detection part is at least provided with a first contact type image sensor 1, a turnover component is arranged above the detection part, and the turnover component comprises a main body, a positioning shaft, a transmission shaft, a second contact type image sensor 2, a pressing wheel component and a locking mechanism. The horizontal multi-spectral money counting and checking machine has simple and reasonable structural design and realizes the installation of the two contact type image sensors under the situation of not increasing the volume of the horizontal money counting machine, thereby greatly improving the money checking safety; the detection part is easy to clean, and the turnover component is firmly matched with the machine body under the working state, thereby ensuring the reliable transmission; the pressing wheel component can realize smooth running and no money clamping or money collision; and the turnover component is easy to turn over during cleaning, and the positioning of the turnover component is reliable after turnover.

The invention discloses a system and method for detecting effective prestressing force under anchor by adopting a method for detecting and stabilizing clamping piece displacement, the detection system and the detection method are included, and the detection system comprises a computer control center, a measurement control terminal, an oil pump, a jack, a force sensor, a displacement measurement tool, an anchor head and a steel strand; the detection method comprises the following implementation steps: S1, mounting a basic detection system; S2, detecting prepressing of the system; S3, detecting system safety parameter setting; S4, detecting system test parameter setting; S5, detecting system program control and data processing work; and S6, detecting the close of the system. The system and the method have beneficial effects of practical and convenient in use, simple operation, less detection problem, unnecessary of reading knee point, no influence on original prestressing force, high detection reliability, high detection safety and high detection precision.

The invention discloses a road damage detection robot system. The system comprises a robot body system, wherein the robot body system comprises a mobile platform system and a detection system; the detection system is mounted on the mobile platform system; the detection system comprises a knocking and scanning detector, a lifting mechanism and a detector control system; the lifting mechanism is mounted on the mobile platform system; the knocking and scanning detector is mounted on the lifting mechanism; and the detector control system is electrically connected with the knocking and scanning detector. By adopting the detection system disclosed by the invention, intelligent detection can be realized; due to no need of manual operation, the accuracy of detection security and detection data can be improved; a plurality of lossless detection sensors are integrated, so that comprehensive evaluation of pavement and internal conditions of the pavement can be realized at one time, the detection efficiency is greatly improved, and the influence on road trafficability is also reduced.

The invention relates to a production and detection method of a plated bismuth gold micro-array electrode for detecting heavy metals, which is characterized in that: in a bismuth plating process of a production machine of a gold micro-array electrode, when 0.015mol / L Bi (NO3) 3 . 5H2O, 1 mol / L KNO3 and 1% HNO3 are used to plate heavy metals, magnetic stirring is added to improve the plating efficiency. The micro-array electrode is used as a wok electrode of stripping voltammetry to form a sensor for detecting the heavy metals, liquid is prepared, and parameter values of the voltammetry are set to complete the detection of the heavy metals lead, cadmium or nickel, and the sensitivity is up to the national drinking water standards.

The invention discloses a deteriorated insulator detection system and method based on a drone and relates to the field of repairing and maintenance of power transmission circuits. The system comprisesa guidance cover, a connection rod, a drone, a detector, a wireless transmission module and an electric field analysis module. The connection rod is fixed on the guidance cover. The drone is fixed onthe connection rod and used for driving the guidance cover to up-down moving along an insulator string. The detector is fixed on the guidance cover and comprises an electric field sensor and a photoelectric sensor. The electric field sensor is used for measuring axial electric field intensity of the insulator string. The photoelectric sensor is used for positioning and acquiring position information of the deteriorated insulator detection system. The wireless transmission module comprises a measurement end wireless transceiving unit and a ground end wireless transceiving unit. The electric field analysis module is connected with the ground end wireless transceiving unit, establishes an electric field distribution curve of the insulator string according to the axial electric field intensity and the position information and analyzes whether there is deteriorated insulator according to the electric field distribution curve. According to the invention, detection safety and maintenance efficiency can be improved.

The invention discloses a system for detecting and stabilizing effective anchorage prestressing force tested by a clip piece displacement method. The system comprises a main control terminal, a detecting terminal, a self-locking type electromagnetic switching control hydraulic system, a bridge-type pressure sensor and a displacement measuring fixture tool; an oil pipe of the self-locking type electromagnetic switching control hydraulic system is an ultra-high pressure resin hydraulic flow pipe, the end of an executing member of the self-locking type electromagnetic switching control hydraulicsystem is provided with the bridge-type pressure sensor, the other end of the bridge-type sensor is in front pressurized fit with the displacement measuring fixture tool, a clip piece in an anchor head hole is arranged at the end, away from the bridge-type sensor, of the displacement measuring fixture tool, and the clip piece is fixedly connected with the steel strand. The invention further discloses a method for detecting and stabilizing the effective anchorage prestressing force tested by the clip piece displacement method. The method and the system have the advantages that influence on original prestressing force does not exist, the detecting reliability is high, and the detecting precision is high.

The invention discloses an explosive-proof and intrinsic safety type hazardous gas routing inspection robot. The hazardous gas routing inspection robot comprises a driving chassis used for walking driving of the robot, a front anti-collision beam and a rear anti-collision beam, wherein the front anti-collision beam and the rear anti-collision beam are installed at the front end and the rear end ofthe driving chassis respectively and used for collision protection of the robot, and a detection mechanism used for detecting hazardous gas is installed at the top end of the driving chassis. According to the explosive-proof and intrinsic safety type hazardous gas routing inspection robot, on one hand, the robot replaces man power to enter a hazardous environment to carry out detection, inconvenience and risks brought by manual operation can be avoided, and meanwhile detection stability can also be improved; and on the other hand, a laser radar and a depth camera are installed at the front end of the driving chassis, so that the environment information of the position where the robot is located can be detected in real time, the detected environment information is transmitted outside through a transmission antenna in real time, manual remote control and data analysis are facilitated, and the detection safety is improved.

The invention discloses a driving wheel surface output specified power loading detection method. Under the rated power speed Ve or maximum torque speed Vm of a vehicle on a chassis power tester of the vehicle, the driving wheel surface output specified power deltae*Pe or deltam*Pm in the standard environment state is converted into a corresponding driving force Fe or Fm in a detected environment state, and after the corresponding driving force is balanced with the system resistance of frame resistance, wheel cylinder frictional resistance and loading force of a power absorption device, the power or exhaust emission or fuel consumption is detected under the working condition of stable speed, so that the unity and the comparability of detection of different vehicles assembled with the same engine are improved.

The invention relates to a safety compliance detection method and device, computer equipment and a storage medium, and relates to the field of safety compliance detection. The method comprises the steps that a server receives a safety compliance detection command sent by a detection terminal; obtaining a corresponding safety compliance detection rule according to the safety compliance detection command; issuing the safety compliance detection rule to the Agent; receiving a detection result fed back by the Agent and obtained by executing a corresponding safety compliance detection strategy according to the safety compliance detection rule; and carrying out integration statistics on the detection results and then sending the detection results to a detection terminal, so as to enable the detection terminal to display the detection results after integration statistics in a display interface. By means of the method, in the safety compliance detection process, the safety compliance detectionrule is automatically adjusted according to different safety compliance detection commands, and therefore the detection efficiency, the detection safety, the detection accuracy and the detection flexibility of safety compliance detection are improved.

The invention discloses a stepped dosing method and device for chemical oxygen demand detection in the field of water quality detection. A digestion module is arranged over an inflow and outflow main valve, the lower end of the digestion module is connected to the upper inflow and outflow port of the inflow and outflow main valve through a digestion tube inflow and outflow port, and the lower inflow and outflow port of the inflow and outflow main valve is connected to the upper inflow and outflow portion of a sample-inputting peristaltic pump through a duct; and the digestion module comprises a digestion tube, a heating wire, an optical receiver, and a light source emitter. Stepped stage-by-stage dosing reaction is adopted, a rectangular coordinate system is established with a COD (chemical oxygen demand) value detected at each stage as x and a potassium dichromate agent volume value as y to carry out dynamic curve fitting, whether agent is added or not next time and the dosage of the agent are determined according to the magnitude of dynamic curve potential, so that dosing is dynamically controlled, consequently, the objective of controlling the dosage of potassium dichromate as an oxidant is achieved, the oxidant is prevented from being excessively added to waste the agent, the usage of the agent is effectively reduced, and thereby the water quality COD detection cost is reduced.

The invention relates to a method for measuring a titanium element or titanium dioxide content in a diacetate cellulose tow. In the method, a dynamic colorimetric method is adopted, a continuous flow analyzer is used for detecting, and an external standard method is used for quantifying. The method has the advantages of being simple, fast, high in detection safety, accurate in detection result, small influence of personnel and environment, suitable for multi-batch detection demands of factories, etc.

The invention discloses a public transport body temperature detection device based on the Internet of Things. The device comprises a security check door body, a component box is installed at a top endof the security check door body, a first body temperature detector is mounted at a bottom end of the component box; a control module is mounted in the component box; and a heat dissipation mechanismis installed at a top end of the component box, second body temperature detectors are fixedly installed on two sides of an inner wall of the security check door body, an isolation mechanism is installed at a top end of the security check door body, the isolation mechanism internally comprises first rotating shafts fixedly installed on two sides of the security check door body, and other sides of the first rotating shafts are rotationally connected with supporting rods. In the present invention, the body temperature of people in the security check door body can be detected through the first body temperature detector and the second body temperature detectors; when the body temperature is abnormal, a preset instruction in the control module can control a first motor to work, and the first motor drives a shielding fence to rotate to shield an exit end of the security check door body such that the people are prevented from passing through, and the exit end is sealed to prevent the people from forcibly going away from a checkpoint.

The invention relates to an overhead line electricity testing device, comprising a shell and an electricity testing module, wherein the shell comprises an induction lantern ring and a mounting seat, the induction lantern ring is arranged at one end of the mounting seat, the induction lantern ring is provided with an accommodating through hole for accommodating an overhead line, a first accommodating space is opened in the induction lantern ring, and a second accommodating space is opened in the mounting seat; and the electricity testing module comprises a coil, a common mode inductor, a voltage stabilizing unit, a rectifying unit and a lamp panel, the coil is arranged in the first accommodating space, the common mode inductor, the voltage stabilizing unit and the rectifying unit are arranged in the second accommodating space, and the lamp panel is arranged at one end of the mounting seat away from the induction lantern ring. The overhead line electricity testing device senses overheadline current into a secondary circuit, can accurately judge whether current flows through the overhead line, requires no external power supply, avoids an insulation fault of the overhead line and thesecondary circuit, and can avoid causing personal injury and equipment damage. Furthermore, the shell is used for protecting the electricity testing module, so that the service life of the overhead line electricity testing device is effectively prolonged.

The invention provides an automobile sunroof assembly surface difference profiling detection device comprising a support and a detection placing plate. The detection placing plate is arranged on the support. The lower end of the support is provided with universal rollers. Clamping cylinders are arranged on the detection placing plate. Pressing blocks are arranged on the clamping cylinders. Profiling pressing blocks are arranged beside the clamping cylinders. The profiling pressing blocks are arranged on the detection placing plate through elevating devices. Surface difference detection devices are arranged on the profiling pressing blocks. The sunroof is placed on the detection placing plate, the sunroof is fixed by the pressing blocks and the installing situation of the sunroof is simulated by the profiling pressing blocks, and the sunroof surface difference is detected through the surface difference detection devices so that the detection accuracy can be enhanced, the labor cost can be reduced, and the detection safety can be enhanced by arranging the pressing force detection sensors.

The invention discloses a full-automatic assembly machine for infusion devices, and belongs to the technical field of medical equipment. According to assembly devices in the prior art, the structure is complex, whether assembled infusion devices are qualified cannot be determined, and assembly of parts of the whole infusion devices cannot be automatically completed. According to the full-automatic assembly machine, a connecting pipe feed mechanism adjacent to the upper part of a conveyer belt mechanism is provided with an insertion-connection detection mechanism used for detecting the insertion-connection length of connecting pipes and catheters in an erecting mode, a pump connecting pipe feed mechanism adjacent to the upper part of the conveyer belt mechanism is provided with an insertion-connection detection mechanism used for detecting the insertion-connection length of infusion device assemblies in an erecting mode, and a female needle base adjacent to the upper part of the conveyer belt mechanism is provided with a communication detection mechanism used for detecting catheters subjected to adhesive binding in an erecting mode. According to the full-automatic assembly machine, the infusion devices can be automatically assembled, whether the infusion devices are qualified can be automatically detected, the automation degree is high, the structure is reasonable, the assembly efficiency can be effectively improved, and the human cost can be reduced.

A testing method used to test smoke discharge at working condition of diesel oil vehicle speeding up and down can realize quick hub power scanning by setting reasonable torque adjusting step size and stable time speed. Switching to smoke testing boundary surface, smoke discharge text of speed point corresponding to 100%, 90% and 80% maximum power can be quickly carried on by setting reasonable adjusting speed rate and stable time of speed. No operator is required at test apparation, but accuracy test result on standard requirement can be obtained by the method.

The invention discloses underwater component detection equipment for roads and bridges in civil engineering and a using method thereof. A diving ship body is included. A driving mechanism I is arranged on a right side of the diving ship body; and a swing mechanism is arranged on the left side of the bottom of the diving ship body, a limiting mechanism is arranged at the bottom of the swing mechanism, an extension mechanism is arranged in the limiting mechanism, a driving mechanism II is arranged on one side of the bottom of the diving ship body, and an adjusting mechanism is arranged at the bottom of the limiting mechanism. In the invention, when the bridge is detected, the detection equipment is installed through using the equipment, manual handheld detection equipment is replaced, manuallaunching is avoided, a user is prevented from being hurt underwater, and detection safety is improved; and then, a detection angle can be flexibly adjusted when the detection equipment is underwater, the detection angle can also be adjusted through the driving mechanism I, and therefore comprehensiveness and accuracy of detection data are guaranteed.

The invention relates to the technical field of textile detection, and discloses a textile material tensile strength detection device. The device comprises a rack, a telescopic cylinder is fixedly connected to the upper surface of the rack, a pressing plate is fixedly connected to the output end of the telescopic cylinder, a detection mechanism is arranged on the surface of the pressing plate, a display panel is fixedly connected to the surface of the rack, scale marks are formed in the front portion of the display panel, a pressure gauge is fixedly installed on the front portion of the rack,and a support is fixedly connected to the surface of the display panel. According to the textile material tensile strength detection device, through downward movement of the telescopic cylinder, a pressing block is firstly driven to move and make contact with the surface of a clamping block, the pressing block moves downwards to push the clamping block to move downwards under the action of an inclined surface so as to compress detected cloth, and meanwhile, a detection pressing rod is driven to move downwards to drive the cloth to be subjected to tensile detection, therefore, clamping and detecting of the cloth are synchronously achieved, and the operation is easy and convenient.

The invention relates to an industrial part dimension measurement method based on a 3D visual sensor, and the method comprises the following steps: 1, carrying out the manual marking based on a standard model, selecting a point set needing to be detected for the standard model, and marking the basic geometric shapes, including points, lines, surfaces, circles and cylinders, of the point set; step 2, registering the scanning point cloud of the part to be measured with the standard model in the step 1 to unify a coordinate system, wherein the registering process comprises coarse registering and fine registering; and step 3, through point selection of the standard model in the step 1 and a point cloud registration process in the step 2, searching and further calculating a point set corresponding to the standard model in the to-be-measured point cloud and size data based on the minimum distance and the marked point set. According to the method, the industrial parts to be detected can be measured rapidly and accurately according to the design requirements of the industrial parts, the time complexity can meet the requirements of industrial production, and a plurality of industrial parts can be measured and analyzed.

The invention discloses a method for detecting the content of total organic matters in water in a microgravity environment. The method comprises steps as follows: (1), a to-be-detected water solution is subjected to acid treatment and then divided into a detection sample and a contrast sample; (2), the detection sample is sufficiently oxidized through an electrode oxidation reaction, and the contrast sample is not oxidized; (3), the oxidized detection sample and the unoxidized contrast sample are filtered through selective films; (4), the electric conductivity of CO2 in the oxidized detection sample and the electric conductivity of CO2 in the unoxidized contrast sample are measured, and the total carbon content and the inorganic carbon content of the to-be-detected water solution are acquired through calculation; the content of the total organic matters in the to-be-detected water solution is acquired with a minusing method. According to the method, dependence on chemicals is reduced, the safety is high, a gas-liquid separation process is not required, and the method can be effectively applied in the microgravity environment.

The embodiment of the present invention discloses a high voltage load dump test system and a test method for an electric vehicle. The high voltage load dump test system comprises a relay, a power battery charging device, a high voltage load, a switch and an oscilloscope. The relay comprises a contact and a coil, wherein the contact is connected with a power battery in series; the power battery charging device is connected with the power battery for charging the power battery; the high voltage load is connected with the power battery charging device in parallel; the switch is connected with a coil in series, wherein when the switch is in a closed state, the contact is closed to conduct a charging loop of the power battery charging device for charging the power battery; when the switch is inan off state, the contact is disconnected to disconnect the charging loop; the oscilloscope is connected with the high voltage load in parallel for detecting load dump pulse when the charging loop isdisconnected in the process of charging the power battery by the power battery charging device. The embodiment of the invention can detect high voltage load dump pulse and can improve the detection safety.

The invention relates to a retractable automatic-spin defect detecting and positioning device for storage tank walls and particularly for defect detection of small and medium sized storage tanks. The retractable automatic-spin defect detecting and positioning device is capable of determining specific location of defects in the storage tanks and providing accurate data for maintenance of the storage tanks. The technical scheme includes that the main body of the retractable automatic-spin defect detecting and positioning device comprises screws capable of being telescoped one by one, three sets of retractable connecting rods and a triangular platform; a signal analysis device is arranged on the triangular platform and a drive motor is mounted above the triangular platform; a screw reciprocating system consists of the screws and the long shaft, and key slots in the screws match with keys in a spinning box; a radial pressing system consists of a cross-spin sleeve, a radial pressing sleeve, a long shaft and a spring; a retractable connecting rod system consists of three sets of connecting rods and ultrasonic array probes are mounted at tail ends of the connecting rods; a signal analysis device comprises a signal conditioning circuit, a signal acquisition circuit, a controller, a storage unit and a display. The retractable automatic-spin defect detecting and positioning device brings convenience to detection, is easy to operate and control, improves safety in detection, reduces detection cost and improves detection precision and accuracy.

The invention relates to a method and a device for detecting an insulator through a multi-rotor unmanned aerial vehicle. The device comprises a multi-rotor unmanned aerial vehicle, as well as an onboard control computer of a flight control system, a positioning device, an unmanned aerial vehicle steering engine controller, a height measuring device, a speed measuring device, a high-definition camera, an unmanned aerial vehicle PCM (Pulse-Code Modulation) remote control receiver, an onboard wireless communication unit and a lifting device which are arranged on the multi-rotor unmanned aerial vehicle; the lifting device drives a probing lower pole to move; the onboard wireless communication unit communicates with a ground station; the unmanned aerial vehicle steering engine controller controls a servo steering engine; the servo steering engine controls a multi-rotor module; a probing upper pole and the probing lower pole are respectively connected with respective voltage sensors; the two voltage sensors are connected with an A / D (Analogue-to-Digital) conversion unit, a DSP (Digital Signal Processor) unit and the onboard control computer of the flight control system. The method and the device provided by the invention can be used for knowing and control the operation condition of a circuit insulator in time; the risk when a detector climbs up to carry out near-distance electrified operation can be further avoided; and meanwhile, the detection efficiency can be improved.

The invention relates to the technical field of tooth decay detection, and discloses a ultrasonic detector for tooth decay, which comprises a body and a detector, the body comprises a control panel, and the detector is electrically connected with the control panel; the detector comprises an ultrasonic part and a detection head, the ultrasonic part is used for detecting whether tooth decay exists or not, the detection head and the ultrasonic part are arranged correspondingly, and the detection head is used for buckling teeth. When a patient is detected, a detector is used, the ultrasonic part and the detection head are located in the oral cavity until the detection head is buckled on the teeth, ultrasonic waves are emitted to the teeth through the ultrasonic part, and whether tooth decay areas exist in the teeth or not is detected; thus, based on the detection data fed back by the ultrasonic waves, the tooth decay is detected, the detection accuracy of the tooth decay is improved, meanwhile, the damage to the patient is reduced, and the detection safety is improved.

The invention discloses a nondestructive testing system and method for a power distribution network tower base plate, clamp plate and pull plate and belongs to the field of underground metal detection. The system comprises a transmitting coil, a receiving coil, a transmitting module, a receiving module, a signal collection module and an embedded module. A pulse current source is applied to the transmitting coil and a primary space induction electromagnetic field is obtained. The receiving coil generates induced electromotive force under the effect of the primary space induction electromagneticfield. Through combination of the signal collection module and the embedded module, a waveform of the induced electromotive force is compared with feedback waveforms of standard components, and deepburying condition of the power distribution network tower base plate, clamp plate and pull plate is obtained. Compared with conventional excavation detection, the system and the method have the advantages that secondary construction is avoided in a detection process, a detection period is relatively short, detection efficiency is improved, a risk of influencing an original construction effect is avoided, detection cost is relatively low and detection safety is relatively high.

The invention relates to a constructional engineering safety monitoring and supervising device. The device comprises a n-shaped frame, the inner side of the n-shaped frame is provided with an exhaled air alcohol content detector, the two sides of the exhaled air alcohol content detector are fixedly connected with people blocking stop levers, and the inner wall of the top of the n-shaped frame is provided with a rectangular hole, a disinfectant box is fixedly connected between the front side inner wall and the rear side inner wall of the rectangular hole, the disinfectant box is filled with disinfectant, and a lifting telescopic mechanism matched with the exhaled air alcohol content detector is arranged on the disinfectant box. The device is reasonable in design; worker can be blocked and detected conveniently when whether the worker drinks or not is detected; the device rises to conveniently relieve blocking after detection is performed; spraying disinfection is automatically and timely carried out on the exhaled gas alcohol content detector when the device rises to relieve blocking, the phenomenon that cross infection is caused when multiple workers blow gas in turn for detection subsequently is effectively avoided, detection safety is improved, the use requirement is met, and the use of the device is facilitated.

The invention discloses a vacuum tank detection anti-explosion device, and belongs to a plastic tank pressure detecting device. The vacuum tank detection anti-explosion device comprises a box frame, avacuum tank fixing device and a pneumatic pump. The vacuum tank fixing device is fixedly installed on the box frame. The pneumatic pump is arranged in an inner cavity of the box frame. During working, a vacuum tank is fixed by the vacuum tank fixing device, a joint of the pneumatic pump is connected with an air inlet hole of the vacuum tank, so that a pressure test of the vacuum tank is realizedby the pneumatic pump. According to the vacuum tank detection anti-explosion device, the technical problem that an existing safety detection and protection device is high in the cost, complex in the structure and not suitable for production needs of small and medium sized car enterprises and part manufacturers are solved. Compared with an existing air pressure anti-explosion detection device, thevacuum tank detection anti-explosion device has the characteristics of simple structure, convenient operation, high detection safety performance, high detection precision, and simultaneous detection of two kinds of testing items including positive pressure and negative pressure, and at the same time, an inspector can observe test results at a close range, and popularization and use for the small and medium sized part manufacturers are facilitated.