80results about How to "Impact detection" patented technology

The invention relates to the field of intelligent power grids, in particular to a multi-station fusion system operation situation anomaly monitoring and alarm merging method, which comprises the stepsof training an anomaly detection model based on historical data of a power multi-station fusion system, and determining an abnormal value threshold; obtaining time sequence data of the operation situation of the power multi-station fusion system in real time, inputting the processed time sequence data into a trained anomaly detection model to obtain an anomaly score of the data, comparing the anomaly score with an anomaly value threshold, and determining anomaly information; based on the historical alarm data information, mining the correlation between the alarm information, and determining an association rule; and determining the category and the emergency degree of the anomaly information, generating corresponding alarm information, and completing combination and output of the alarm information based on the association rule. According to the invention, combination and output of alarm information are realized, and effective detection of anomaly data in time series data in operation and maintenance of the power multi-station fusion system is realized.

The invention relates to the technical field of seawater detection and discloses a portable surface-layer seawater sampling device. The portable surface-layer seawater sampling device comprises sampling equipment, wherein a supporting plate is fixedly arranged at the top part of the sampling equipment; a gripping rod positioned under the supporting plate is movably connected at the side surface ofthe supporting plate; a supporting block is fixedly arranged at the bottom part of the gripping rod; a supporting rod is movably connected at the inner surface of the supporting block; one end of thesupporting rod penetrates through and extends to the inner part of the sampling equipment. The portable surface-layer seawater sampling device disclosed by the invention has the beneficial effects that by the action of the sampling equipment, the surface-layer seawater can be directly absorbed, so that the detection for the seawater quality is convenient, the seawater is prevented from being polluted to influence the ecological health, meanwhile the sampling equipment is convenient in use and carry; by utilization of the gripping rod, the sampling equipment extends into water, and the surface-layer seawater can be pumped by directly pulling the gripping rod, so that the convenience of the sampling equipment in carrying is improved; by utilization of the action of the supporting block, thephenomenon that the supporting rod is blocked when in movement is prevented.

The invention discloses low alloy structural steel with low cost and thick specification. The low alloy structural steel comprises the following components by weight percent: 0.17%-0.20% of C, 0.15%-0.30% of Si, 0.35%-0.55% of Mn, less than or equal to 0.025% of P, less than or equal to 0.01% of S, less than or equal to 0.008% of N, and the rest of Fe and inevitable impurities. A production method of the structural steel comprises the following steps: (1) continuous casting to obtain billet; (2) soaking the cast billet; (3) high-pressure descaling, and finish rolling, wherein the sum of reduction rates of F1 and F2 is greater than or equal to 98% and is less than or equal to 105%, and F1 and F2 cooling water amount is 70%-80% of normal water amount, F3 or F4 is nominal, and the outlet temperature is 840-870 DEG C; (4) setting the laminar flow cooling speed to be 40-83 DEG C / s, the coiling temperature to be 540-570 DEG C, and the head coiling temperature to be 580-600 DEG C; (5) cooling. The production method disclosed by the invention basically eliminates phenomena such as mixed crystal and cold bending cracking, has good coiling shape, and is suitable for being widely applied to the field of steel production.

The invention relates to a robot which comprises an emission source, a photosensitive component and a processing component, wherein the emission source is used for emitting a detection light; the photosensitive component is used for sensing a reflecting light which is formed on and returned from an object surface by the detection light; the processing component is used for recognizing the interference light which is formed by an interference object close to a practically detected object and is contained in the reflecting light and eliminating a noise signal formed by the interference light, so as to prevent the robot from abnormally acting under the interference of the interference light. According to the technical scheme, the interference light can be accurately recognized, the corresponding noise signal can be timely eliminated, the normal walking of the robot can be ensured and the abnormal action can be avoided.

A method for analyzing an analyte in tissue fluid is disclosed. The method comprises: placing a collecting member in contact with the skin of a subject, wherein the collecting member is configured to collect and retain tissue fluid containing the analyte from the subject; collecting tissue fluid from the subject into the collecting member; detaching the collecting member from the skin of the subject; causing the analyte in the tissue fluid collected by the collecting member to diffuse in a liquid by supplying the collecting member with the liquid; and detecting the analyte diffused in the liquid. An analyzer for analyzing an analyte in tissue fluid, and cartridge and kit for use in the analyzing method are also disclosed.

The invention discloses a nondestructive testing method for water distribution in the drying process of roots of red-rooted salvia. Roots of red-rooted salvia samples with different drying times and different drying temperatures are coated with thread seal tapes in a sealed mode, and the coated roots of red-rooted salvia samples are placed for 3-5min at room temperature; a T2 spectrogram and proton density weighed images are obtained through the low-field nuclear magnetic resonance technology, the positions of 10 ms and 100 ms in the T2 spectrogram serve as boundaries, bound water exists at the positions of 0.1-10 ms, water not likely to flow exists at the positions of 10-100 ms, free water exists at the positions of 100-1,000 ms, the peak integral area serves as the relative content of the water, and therefore the relative content of the bound water, the relative content of the water not likely to flow and the relative content of the free water are obtained; distribution positions of the water in the roots of red-rooted salvia samples in the roots of red-rooted salvia samples are obtained according to the proton density weighed images, therefore, the distribution states of the bound water, the water not likely to flow and the free water of the roots of red-rooted salvia samples with the different drying times and the different drying temperatures are obtained, and then the water distribution in the drying process of the roots of red-rooted salvia is obtained.

The invention belongs to the technical field of spectrophotometry, and particularly relates to a method for detecting total phosphorus in water by ammonium molybdate spectrophotometry. A problem thatsilica formed by a silicon element in a water sample affects the test accuracy during the testing of the phosphorus content by ammonium molybdate spectrophotometry exists in the prior art. The methodin the invention comprises the following steps: [1] digesting the water sample to obtain a digestion solution; [2] adding ascorbic acid, an antimony salt and ammonium molybdate to the digestion solution to obtain a blue complex solution; and [3] testing the blue complex solution by spectrophotometry to obtain the phosphorus content of the water sample, wherein the digestion solution is also treated, between step [1] and step [2], as follows: [1-1] quantitatively transferring the digestion solution, adjusting the pH value to 3-5, adding MgO to the digestion solution, and carrying out a stirringreaction; [1-2] adjusting the pH value of the digestion solution to 1-3, and making the volume of the digestion solution reach a constant volume; and [1-3] standing the digested solution having the constant volume, and filtering the obtained solution by an ultrafiltration membrane to remove obtained precipitate. The method is suitable for water quality testing.

The invention provides electronic equipment for measuring blood pressure. The electronic equipment for measuring the blood pressure comprises a measuring assembly, an air bag and a fluid pipeline. A fluid pump and a pressure sensor in the measuring assembly correspondingly communicate with the air bag through a first fluid pipeline and a second fluid pipeline, a first pipe opening of the first fluid pipeline and a second pipe opening of the second fluid pipeline are formed in the same side of the air bag, and the opening direction of one of the first pipe opening and the second pipe opening deviates from the other one, so that the first pipe opening and the second pipe opening are far away from each other. Therefore, interference of air flow of the air bag on the pressure sensor is reduced, and blood pressure measuring precision is improved.

The invention relates to the technical field of mechanical transportation and discloses a sensor connecting assembly and a track transportation system. The sensor connecting assembly is configured toconnect a sensor with an operation vehicle and comprises a body and a sliding rod, wherein the body is fixedly arranged on the operation vehicle; and the sliding rod penetrates through the body and comprises a sensor connecting part, the sensor connecting part is connected with one of a positioning end and a measuring end of the sensor, the sliding rod is configured to move relative to the body, and one end of the sliding rod can prop against operation rails of the operation vehicle and guide rails parallel with the rails. According to the sensor connecting assembly, the body of the sensor connecting assembly is arranged on the operation vehicle, the sliding rod capable of moving relative to the body or propping against the guide rails is arranged in the body, the distance from the part, connected to the sliding rod, of the sensor to the operation vehicle is adjusted, and the movement of the sensor in the direction vertical to the extension direction of the rails is limited, so that the detection of the sensor is not influenced by the movement deviation of the operation vehicle along the direction vertical to the extension direction of the rails during the operation.

The invention relates to the technical field of gas detection, and discloses a quantitative gas detection device. The quantitative gas detection device comprises a machine frame, a detection box and adriving mechanism, wherein the driving mechanism is positioned under the detection box; the interior of the detection box is slideably connected with a piston plate; the lower part of the piston plate is connected with a piston rod; the piston rod is fixedly connected with the driving mechanism; a detection passage, a battery and a detection lamp are arranged at the upper part of the detection box, the battery and the detection lamp are respectively electrically connected with a conducting wire, a detection plate is arranged in the detection passage and is hinged to the detection box, a firstadhesive layer is arranged at the lower part of the detection plate and is in contact with two conducting wires, and a second adhesive layer is arranged on the detection passage; an air intake passage is arranged at one side of the detection box, a blocking plate is arranged in the air intake passage, the other end of the blocking plate is provided with a groove, an air cavity is arranged in thedetection box above the groove, a limiting block is arranged in the air cavity, and a spring is arranged at the top part of the limiting block; the air intake passage is provided with a shrinkage section, a throat pipe section and a diffusion section, an air pipe is arranged at the throat pipe section, and the air cavity is communicated with the air intake passage through the air pipe. The quantitative gas detection device has the advantages that the structure is simple, and the detection gas can be quantitatively detected.

The invention discloses an external cable follow-up device for electrical transformation equipment for tunnel excavation, and relates to the technical field of power supply of the electrical transformation equipment. The external cable follow-up device comprises a winding and unwinding device and a weight measuring device, the winding and unwinding device comprises a winding drum, a motor and a counter, the motor is used for driving the winding drum to rotate, a counting hole is formed in the winding drum, the counter is used for counting when the counting hole rotates over the position of the counter, a force measuring device comprises a weighing device and a bearing roller, the bearing roller is rotatably arranged at the top of the weighing device, a cable is arranged on the winding drum in a winding mode, a position, close to one end connected with the electrical transformation equipment, of the cable is arranged on the bearing roller, the weighing device is used for detecting downward pressure applied to the weighing device by the bearing roller and a power transmission section, the external cable follow-up device further comprises a controller, and the weighing device, the counter and the motor are all electrically connected with the controller. The external cable follow-up device is mainly used when a tunnel is excavated by a drilling and blasting method for deslagging, the external cable of the electrical transformation equipment can be automatically wind and unwind along with the reciprocating movement of the equipment, and electric shock accidents caused by the fact that the cable is dragged to be damaged or the cable is wound into a chassis are avoided.

The invention relates to a sampling barrel, and in particular relates to a water body multi-depth sampling barrel. The technical problem to be solved by the invention is how to design a water body multi-depth sampling barrel which is capable of sampling river water of three depths at the same time, high in working efficiency, convenient to operate and labor-saving. The water body multi-depth sampling barrel comprises a barrel , an arc-shaped cover is hinged to an opening of the barrel , and the arc-shaped cover matches the barrel . The barrel body is inserted into river water; a rocker is pulled to reverse, the arc-shaped plate does not limit a sliding block below the arc-shaped plate; the sampling barrel moves downwards to enable a u-shaped block to be in contact with a limiting block, apiston rod stops moving, and when the sampling barrels enable through holes to correspond to L-shaped connecting pipes, river water is discharged into the sampling barrels through the L-shaped connecting pipes and the through holes, so that three sampling barrels can collect river water of three depths at the same time, the working efficiency is high, and convenience is achieved.

The invention discloses a medical adhesive tape gluing machine capable of controlling adhesive force to be constant, and relates to the technical field of gluing machines, the medical adhesive tape gluing machine comprises a gluing conveying table, a medical adhesive tape is conveyed on the gluing conveying table, the two ends of the gluing conveying table limit the medical adhesive tape through pressing limiting rollers, a gluing mechanism is arranged on the gluing conveying table, and the gluing conveying table is provided with a gluing mechanism. An adhesive force detection mechanism is arranged on one side of the gluing mechanism, a disassembly conveying belt is arranged on one side of the adhesive force detection mechanism, an installation feeding mechanism is arranged above the adhesive force detection mechanism, and the gluing mechanism, the adhesive force detection mechanism and the disassembly conveying belt are sequentially installed in the conveying direction of the medical adhesive tape. According to the device, the adhesive force of the glued medical adhesive tape can be indirectly detected in a circulating rotation mode, whether the adhesive force of the medical adhesive tape is normal and constant or not can be analyzed in time, the gluing mechanism can be adjusted in time, and the quality of the glued medical adhesive tape can be improved.

The invention provides an infusion bottle suspension bracket, and belongs to the technical field of medical apparatus and instruments. The infusion bottle suspension bracket is characterized by comprising a suspension bracket body (1), one side of the lower portion of the suspension bracket body (1) is provided with a suspension ring (3) arranged horizontally, the upper end of the suspension bracket body (1) is provided with a pothook (4), the middle portion of the suspension bracket body (1) is provided with a plurality of electric heating tubes (2) arranged at intervals from top to bottom, atemperature detection device connected with the electric heating tubes (2) is arranged on the suspension bracket body (1), a weight detection device is arranged between the pothook (4) and the suspension bracket body (1), and the suspension bracket body (1) is further provided with a buzzer (6) connected with the weight detection device. The infusion bottle suspension bracket has the advantages that an infusion bottle can be heated, the amount of remaining medicine liquid in the infusion bottle can also be judged through the weight detection, when the medicine liquid in the infusion bottle isinsufficient, alarm is carried out to remind a medical staff to replace the infusion bottle.

An intelligent water supply pipe network water quality monitoring device disclosed by the present invention comprises a floating cylinder, the left and right sides of the floating cylinder are semicircular, the outer walls of the left and right sides of the floating cylinder are fixedly connected with anchor ropes, and the ends, away from the floating cylinder, of the anchor ropes are fixedly connected with anchor balls. A PH value testing pipe is fixedly connected to the center axis of the outer wall of the top of the floating cylinder, the PH value testing pipe penetrates through the outer wall of the floating cylinder and extends into the floating cylinder, an alarm lamp is fixedly connected to the top of the PH value testing pipe, and an auxiliary pipe is arranged at the center axis of the outer wall of the bottom side of the floating cylinder in a communicating mode. According to the intelligent water supply network water quality monitoring device, when an anti-blocking ball moves downwards, water flows backwards upwards from the bottom side of an auxiliary pipe to enter a floating cylinder, when the water amount reaches a certain degree, a PH value testing pipe can detect the PH value in water, and when the PH value exceeds a certain range, an alarm lamp gives an alarm to remind workers.

The invention discloses an electric push rod and belongs to the technical field of linear driving. The electric push rod includes a motor, a drive screw and a nut. The motor drives the drive screw to rotate so as to drive the nut to reciprocatingly move between an initial position and an extreme position. The electric push rod also includes a photoelectric sensor and a contact plate which is intended for triggering the photoelectric sensor. When the nut retreats to the initial position, the nut drives the contact plate to move towards the photoelectric sensor. According to the invention, the electric push rod is advantaged in that the electric push rod can precisely sense the initial position of the nut and has high return-to-zero precision. According to the invention, the electric push rod is intended for driving a heliostat in solar thermal power generation.

The invention discloses a detection method for simultaneously determining bromine, iodine and phosphorus in a water sample or beverage by an ICP-MS. After the water sample or beverage is subjected tospecial extraction and concentration treatment, the inductively coupled plasma mass spectrometer (ICP-MS) feeds and detects bromine, iodine and phosphorus in the water sample or the beverage simultaneously. The method comprises the following steps: S1, preparing an internal standard solution and a standard solution, and calibrating the inductively coupled plasma mass spectrometer; S2, analyzing and constructing a standard curve to obtain a regression equation; S3, performing extraction and concentration treatment on the water sample or the beverage, and performing machine detection; and S4, calculating the concentration of each element in the detection sample. The method has the beneficial effects that after the water sample or beverage is subjected to special extraction and concentrationtreatment, the inductively coupled plasma mass spectrometer is adopted, so that bromine, iodine and phosphorus elements in the sample can be simultaneously, quickly and accurately detected.

The invention discloses a convenient-to-mount mine dust sampler, which comprises a shell, an air let, an air outlet and a suction pump, the air inlet is arranged on the side of the shell, the air outlet is arranged on the side, which is far from the air inlet, of the shell, the suction pump is arranged inside the shell, the suction pump is arranged between the air inlet and the air outlet, and a collector is arranged between the air inlet and the suction pump. The convenient-to-mount mine dust sampler further comprises a cleaning tube, a filter membrane is arranged inside the collecting orifice of the cleaning tube, a cleaning pump is connected to the cleaning tube, a blowing tube is connected to the cleaning pump, and the blowing tube is connected to the collector. The convenient-to-mountmine dust sampler further comprises supporting rods, a bearing plate and a turning shaft, one end, which is far from the bearing plate, of the turning shaft is provided with a fastener, and the fastener is connected to the lower surface of the shell. Wind is blown into the collector via the blowing tube to clean off dust remaining in the collector; and the convenient-to-mount mine dust sampler can be rapidly adjusted in a vertical direction and a horizontal direction.

The invention discloses a mobile phone backlight light leakage detection device. The device comprises a bottom plate, the lower end of the bottom plate is fixedly connected with a forward and reverse motor, the upper end of the forward and reverse motor extends to be provided with a motor shaft, the upper end of the motor shaft is fixedly connected with a second gear, the two sides of the second gear are engaged with third gears, the two third gears are rotationally connected with the bottom plate, and the upper end of each third gear is fixedly connected with a connecting rotating rod. According to the device, the forward and reverse motor drives the second gear to rotate through the motor shaft, the second gear drives the two sets of third gears to rotate, the two sets of third gears drive a first gear to rotate, the third gears drive the connecting rotating rod to rotate, and the connecting rotating rod firstly abuts against a fourth push plate, so that a third connecting rod pushes a rubber plug to compress a third spring, therefore, a water pipe is communicated with a first through hole, a nozzle sprays small amount of water to surface of a mobile phone; the connecting rotating rod drives a sponge to rotate to the position above the screen of the mobile phone to wipe the screen of the mobile phone.

The present invention provides a dual-gas chamber direct-current voltage divider. The dual-gas chamber direct-current voltage divider comprises a high-voltage arm and a low-voltage arm connected in series through intermediate connecting conductors; the high-voltage arm is mounted in a cylindrical high-voltage arm housing having an insulating section; the upper end of the high-voltage arm is led out from the upper side of the insulating section; the intermediate connecting conductors extend out from the lower side of the insulating section; the lower end of the high-voltage arm housing is connected with a low-voltage arm housing which is used for sealing the low-voltage arm so as to isolate the low-voltage arm from the outside environment; two ends of the low-voltage arm are connected with voltage detecting conductors; the voltage detecting conductors extend out from the low-voltage arm housing; the intermediate connecting conductors are in insulating fit with the high-voltage arm housing and the low-voltage arm housing; and the voltage detecting conductors are in insulating fit the low-voltage arm housing. With the direct-current voltage divider of the invention adopted generation of parasitic resistance in parallel connection with the high-voltage arm can be avoided, and the accuracy of detection can be improved.

The invention provides a thermal design method for model selection and temperature field distribution of a channel heater, and the method comprises the steps: effectively simulating a conventional channel heater to carry out simulation calculation and analysis according to simulation software through building a three-dimensional model of the heater and the surrounding environment of the heater, and obtaining a simulation result; judging a simulation result by standard conditions of the channel heater, so that the optimization rate of the channel heater is greatly improved, the reasonable design of the structure of the heater is facilitated, and the problem that the channel heater is easy to damage is avoided; anyalzing the influence of the current magnitude and the water flow magnitude on the temperature field distribution of the heater so that the influence of the current magnitude and the water flow magnitude of the heater on the temperature of the heater is effectively detected, and the service life of the channel heater is prolonged.

The invention discloses a negative pressure method non-contact liquid filling liquid level control method, and belongs to the filling technology field. The method comprises the following steps of S1,putting a measuring guide pipe in a filled container, wherein a pipe opening is located at a designated height in the filled container; S2, providing a constant negative pressure for the measuring guide pipe; S3, during filling, acquiring a pressure change in the measuring guide pipe caused by a fact that a filled liquid material reaches the specified height of the filled container; S4, after thepressure change reaches a set value, emitting a signal to stop filling; and S5, after filling is stopped, using the measuring guide pipe for pumping a liquid so that a liquid level of the liquid material in the filled container is lowered to the height flush with the pipe opening. By introducing constant negative pressure into the measuring guide pipe, the obvious pressure change in the measuringguide pipe can be caused when the liquid level height reaches a pipe opening surface height of the measuring guide pipe during filling so that a process that the pressure change reaches the set valueis accelerated, filling stop is controlled quickly and timely, a filling error is small, liquid level control is accurate, and filling efficiency is improved.

The invention provides a soil sample preparation method and device. The method comprises the following steps of obtaining original soil, carrying out the preliminary screening of the original soil, and obtaining preliminarily screened soil, measuring the moisture content p of the primarily screened soil, measuring the particle size r of primarily screened soil, calculating first time T1 = a1p<2> +a2p + a3 and drying temperature D = b1p + b2, calculating the second time T2 = c1r + c2 and the grinding rotating speed W = d1r<2> + d2r + d3, calculating third time T3 = e1 / p + e2 / r + e3 and tabletting pressure N = (f1 / p + f2 / r + f3)*s, drying the primarily screened soil at a drying temperature D for the first time T1 to obtain dried soil, grinding the dried soil at a grinding rotating speed W for the second time T2 to obtain ground soil, collecting the ground soil to obtain a first soil sample, tabletting the ground soil at a tabletting pressure N for the third time T3 to obtain a second soil sample. Through the steps, mismatching of soil with set grinding, drying and tabletting processes can be avoided, the quality and efficiency of soil samples can be improved, and resources can be saved.

The invention relates to the technical field of textiles, and discloses a textile color fastness detection device capable of preventing pigment fading and staying from affecting detection, the device comprises an extrusion mechanism, a first connecting rod is arranged in the extrusion mechanism, an arc-shaped connecting block is riveted to the back of the left side of the first connecting rod, and a vertical plate is riveted to the front of the bottom of the arc-shaped connecting block. According to the textile color fastness detection device capable of preventing pigment fading and staying from affecting detection, a driving motor is started to enable an incomplete gear to rotate clockwise, and at the moment, a pressing plate extrudes a fabric, so that the pigment in the fabric moves to the outside of the fabric; therefore, the effect of preventing the static textile pigment from fading and staying in the textile to influence the detection result is achieved. The rack intermittently bears rightward thrust of the incomplete gear, and at the moment, the detection plate can periodically detect the fabric up and down, so that the effect that the detection device moves in the detection liquid to improve the accuracy of the detection result is achieved.

The invention discloses a lubricating system comprising an oil feeding device and a control device, wherein the oil feeding device comprises a lubricating pump, oil delivering pipelines and oil feeders, wherein the oil delivering pipes are used for connecting the lubricating pump and lubricating points; and the oil feeders are respectively arranged on each oil delivering pipeline. Each oil feeder comprises a casing, a valve core cavity arranged in the casing as well as a valve core arranged in the valve core cavity; and an oil inlet and two oil outlets are arranged on the casing. When the valve core is positioned at a closed position, an oil stopping shoulder blocks the oil inlet; and when the valve core is positioned at an opened position, the oil inlet is simultaneously communicated with the two oil outlets. The oil feeders adopted by the lubricating system acts once to simultaneously supply oil to two lubricating points, so that the lubricating efficiency of the oil feeders is improved by one time, further the structure of the whole lubricating system becomes simpler and the cost is greatly reduced at the same time. The problems that in the traditional lubricating system, more oil feeders are used, the structure is complex and the cost is high can be solved. The lubricating system is especially suitable for lubricating various large-size devices.

The invention provides an arteriovenous blood oxygen monitor, and belongs to the technical field of medical equipment. The arteriovenous blood oxygen monitor comprises a host, a vein detection assembly and an artery probe fingerstall; the vein detection assembly is provided with a detection patch suitable for being attached to a vein part of the human body; the vein detection assembly is connected with the host through a second connecting line; the artery probe fingerstall is connected with the host through a first connecting line; and at least one end of the artery probe fingerstall is provided with an opening, and an annular air bag is arranged at the opening end of the artery probe fingerstall. According to the arteriovenous blood oxygen monitor, the arterial blood oxygen saturation degree and the venous blood oxygen saturation degree can be measured at the same time, the annular fingerstall can adjust the fixing strength of the arterial probe fingerstall and the finger, adjustment is conducted according to the conditions and needs of a patient, discomfort of the patient in the process of wearing the fixed arterial probe fingerstall is reduced, and the comfort of the patient in the monitoring process is enhanced.

The invention relates to an infusion tube pressure sensor, comprising a fixing seat and an induction component mounted on the fixing seat; the fixing seat is provided with an infusion tube groove andan induction groove, the induction groove is communicated with the infusion tube groove, an infusion tube passes through the infusion tube, the induction component is located in the induction groove,and the induction component comprises an induction head, a induction arm and an induction fixing block which are sequentially connected; the induction fixing block is fixed on an inner wall of one endof the induction groove, the induction head and the induction arm are both suspended in the induction groove, a strain gauge is arranged on the induction arm, a signal output line is arranged on thestrain gauge, the induction head and the induction arm are both in contact with an outer wall of the infusion tube, an inner wall of the infusion tube groove is provided with an upper support surfaceand a lower support which are in contact with an outer wall of the infusion tube, the upper support surface and the lower support surface are both arranged along the axial direction of the infusion tube, and the upper support surface and the lower support surface are separated at two ends of the induction groove. The infusion tube pressure sensor can measure the pressure of liquid inside the infusion tube and reduce a measurement error, and belongs to the technical field of infusion tube pressure sensors.