49results about How to "Will not affect detection" patented technology

The invention provides a capacitance pen used for carrying out the operation on a capacitance touch panel (200). The capacitance pen comprises a receiving unit (1), a control processing unit (6) and a sending unit (2). The receiving unit (1) is used for receiving an order signal sent by the capacitance touch panel (200). The control processing unit (6) is used for generating a high-voltage signal according to the order signal received by the receiving unit (1). The sending unit (2) is used for sending the high-voltage signal to the capacitance touch panel (200) to enable the capacitance touch panel (200) to obtain the touch information of the capacitance pen (100). According to the capacitance pen, the touch capacitance panel can still precisely determine the position information of the capacitance pen when the pen point is sharp, the capacitance pen has the pressure character, and the writing fluency and using experience of the capacitance pen are greatly improved.

The invention discloses an auxiliary stent for detection in a stomatology department. The auxiliary stent for detection in the stomatology department comprises a base, a support frame and a distraction part, wherein the distraction part comprises a scissors-shaped distraction rack, an upper distraction tooth socket and a lower distraction tooth socket; the upper distraction tooth socket and the lower distraction tooth socket are fixed on the inner side end of the scissors-shaped distraction rack; the structure of the upper distraction tooth socket is the same as the structure of the lower distraction tooth socket; a wedge-shaped block is arranged at the outer side end of the scissors-shaped distraction rack; a guiding chute is formed in a rack arm at the outer side end of the scissors-shaped distraction rack; guiding sliders which are matched with the guiding chute are separately arranged on the top surface and the bottom surface of the wedge-shaped block; a spring is fixed between anend of the wedge-shaped block and a rotating shaft of the scissors-shaped distraction rack; a positioning clamping tooth is arranged on the surface of the wedge-shaped block; and a convex tooth whichis matched with a positioning slot is arranged on the inner side surface of the scissors-shaped distraction rack. The auxiliary stent for detection in the stomatology department is reasonable in structural arrangement and convenient to operate; the mouth of a patient can be expanded, moreover, normal detection on the throat of the patient is not affected, meanwhile, an expanded part is in a stablestate by the wedge-shaped block under the effect of the spring, and the auxiliary stent for detection in the stomatology department is good in use stability, high in applicability and good in practicability.

The invention relates to a magnetic sensing device and a real-time self-inspection method thereof. The magnetic sensing device comprises a self-inspection coil, a magnetic sensor and a signal processing circuit, wherein the self-inspection coil is loaded with a high-frequency self-inspection current so as to generate a high-frequency self-inspection magnetic field; the magnetic sensor is used for simultaneously detecting the high-frequency self-inspection magnetic field and a low-frequency external magnetic field so as to obtain magnetic field sensing signals; and the signal processing circuit is used for separating to obtain high-frequency self-inspection signals and low-frequency external field signals from the magnetic field sensing signals. The magnetic sensing device can be used for judging whether the magnetic sensor is saturated based on the high-frequency self-inspection signals and correcting the sensitivity. According to the real-time self-inspection method disclosed by the invention, the self-inspection signals and external field signals of the magnetic sensor are obtained in real time, and the detection of the external field signals is not influenced by the self-inspection signals.

The invention relates to the technical field of sensor devices, and especially relates to a non-dispersive infrared optical sulfur hexafluoride gas concentration sensor. The sensor comprises a shell, a first motor, a second motor, a sliding block, a guiding shaft, a screw rod, a rotating shaft, a mirror surface, a cleaning assembly, an infrared ray emitting end, an infrared ray receiving end and a detection circuit, a cavity body is arranged in the shell, the peripheral surface of the shell is provided with gas vents communicating with the cavity body, and one end of the infrared ray transmitting end and one end of the infrared receiving end are arranged in the cavity body in parallel. When the non-dispersive infrared optical sulfur hexafluoride gas concentration sensor is used, the second motor is started order to make the sliding block shift on the screw rod in order to remove dusts on the mirror surface, and the first motor is started to drive the rotating shaft to rotate in order to make the cleaned mirror surface arranged opposite to the infrared ray receiving end, so the sensor works stably, and the detection accuracy of the sensor is guaranteed.

The present invention provides an application of a colorimetric probe and is usded for detecting total content of hypochlorous acid and hypochlorite in an aqueous solution. The detection method comprises: preparing a probe stock solution, and separately adding different concentrations of sodium hypochlorite aqueous solutions to obtain a plurality of standard solutions; measuring an ultraviolet visible absorption light intensity value at 424 nm, and establishing a standard curve; adding an aqueous solution to be tested to the probe stock solution to obtain a sample solution; and measuring the ultraviolet visible absorption light intensity value of the sample solution at the 424 nm, and substituting into the standard curve to obtain the total content of hypochlorous acid and hypochlorite inthe aqueous solution to be tested. The colorimetric probe can instantly recognize the hypochlorous acid and the hypochlorite in the aqueous solution, and obtains the probe stock solution of which thecolor and the ultraviolet-visible absorption spectrum can change instantaneously, the colorimetric probe has specificity, high selectivity, has a linear relationship with the sodium hypochlorite witha concentration of 0mol/L to 2.8X10-4mol/L, has a large linear range, and can be used for accurate measurement of the hypochlorous acid and the hypochlorite in water environment.

The invention provides an automatic lifting blending device which comprises a blending head and is characterized in that the blending head is connected with a positioning guide mechanism, the blendinghead is provided with a spirally-arranged sliding groove, a pin shaft capable of sliding relative to the sliding groove is arranged in the sliding groove, and the pin shaft is connected with a powerdriving device for driving the pin shaft to rotate in the circumferential direction of the blending head; the power driving device drives the pin shaft to rotate, and the sliding groove on the blending head slides along the pin shaft to realize the lifting and rotation of the blending head so that the lifting and rotation of the blending head can be realized by only one rotating transmission shaft, the structure is simple, the required space is small, the problem of stirring pollution cannot occur, the blending is stable, and the reaction cup cannot be damaged.

The invention discloses a rapid mixing magnetic stirrer which comprises a magnetic stirrer body; a vertical rod is arranged on the upper surface of the left end of the magnetic stirrer body; a first sliding seat is arranged at the upper end of the vertical rod; a cross rod is arranged in the first sliding seat in a sleeving manner; a second sliding seat is arranged at the other end of the cross rod; a stirring rod and a temperature sensor are vertically sleeved with the second sliding base, a magnetic stirrer is arranged at the bottom of the stirring rod, a motor is arranged in the magnetic stirrer body, the top of the motor is connected with a supporting plate through a rotating shaft, a high-temperature magnet is fixedly installed on the supporting plate, and the motor is connected witha control box in parallel. According to the magnetic stirrer capable of achieving rapid mixing, the container is fixed to the upper portion of the magnetic stirrer through the clamping groove, the container is prevented from rotating together, the magnetic field drives the stirrer to rotate, the stirrer rotates to drive the stirring rod to rotate, the adjusting assembly can use containers with different capacities, and the application range of the magnetic stirrer is enlarged.

The invention provides a test tool for detecting a tilt angle sensor circuit board. The test tool comprises a placement plate and an upper plate placed on the placement plate. The placement plate and the upper plate are connected through a compressing mechanism. A placement plate supporting column is arranged on the placement plate. A spring contact probe is arranged at the bottom of the upper plate. The spring contact probe is suspended above the placement plate supporting column. The upper plate is provided with a limiting mechanism and further provided with a locking mechanism. According to the test tool for detecting the tilt angle sensor circuit board, the problem that detection is difficult by adopting a traditional method is solved, an unified positioning installation detection mode can be adopted for detection of the mine tilt angle sensor circuit board before assembling, and the function that circuit board electrified devices are detected one by one in the power-on state is achieved.

The invention belongs to the technical field of chloroacetic acid detection, and particularly relates to a detection method for determining chloroacetic acid residues in a cinepazide maleate intermediate through an HPLC method. The method comprises the following steps: (1) preparing a reference solution; (2) preparing a sample solution; (3) performing sample injection detection in HPLC, wherein chromatographic detection conditions are as follows: chromatographic column: a silane bonding silica gel column is a high performance liquid chromatography column of a stationary phase, a mobile phase A: water-methanol-trifluoroacetic acid in a volume ratio of 96: 4: 0.1, a mobile phase B: methanol, the flow velocity of the mobile phase being 0.6-1ml/min, the column temperature of the chromatographic column is 33-37 DEG C, the sample size is 20mu l, and the detection wavelength is 212-216nm; and (4) calculating the content of chloroacetic acid: calculating the content of chloroacetic acid according to the peak area through an external standard method. The method has the beneficial effects that the chloroacetic acid is detected by using the HPLC method, the operation is simple, and the problems in the prior art are solved.

The embodiment of the invention discloses a system and method of three-stage type electro-Fenton for reducing wastewater chemical oxygen demand (COD). The method of the three-stage type electro-Fentonfor reducing the wastewater COD comprises the steps that in the first stage, wastewater added with quantitative H2O2 is introduced into an electrolytic bath with iron electrodes for electrifying, andelectrolysis is carried out for generating excess Fe<2+> and hydroxyl radical of organism in oxidized wastewater generated by reacting Fe<2+> with H2O2; in the second stage, excess H2O2 is removed through the Fe<2+> generated continuously by the iron electrodes; and in the third stage, air-blowing oxidation is carried out to oxidize the Fe<2+> to Fe<3+> for subsequent separation. According to themethod of the three-stage type electro-Fenton for reducing the wastewater COD provided by the embodiment of the invention, the capacity of oxidizing the organism is very strong, almost most organismsin current nature can be oxidized, the influence of excess H2O2 on a treated wastewater COD detection value is eliminated, and the COD of wastewater can be directly reduced to be below 50 mg/L or lower from 200-2000 mg/L; and compared with other advanced oxidation technology, a more accurate energy consumption material calculation result is achieved, a metal salt and a medicament residual in treated water are not added fundamentally, more stable effluent quality with higher quality is obtained, and the treatment method has the advantages of low cost and less occupied area.

The invention relates to the technical field of chemical engineering, in particular to a mixed catalyst for dissolving trace colloidal iron in water vapor of a power station, the mixed catalyst is formed by mixing ammonium persulfate, ammonia chloride, nitrate and an additive, and the trace colloidal iron in water can be efficiently dissolved by adding quantitative mixed catalyst into a water sample containing the colloidal iron. The problems of environmental pollution, complex steps, long time consumption and the like caused by using acid liquor or an oxidizing agent and heating for oxidation dissolution are avoided, meanwhile, the mixed catalyst does not contain iron elements, detection of the iron content in the power station water vapor trace colloidal iron cannot be affected, use is easy, the cost is low, and popularization is easy. The mixed catalyst is utilized to improve the dissolution speed of the colloidal iron, so that the dissolution efficiency and speed of the colloidal iron are improved.

The invention discloses a gearbox fault diagnosis simulation system comprising a base, a power generation device, a load simulation device and a sensor assembly used for detecting parameters of equipment to be detected, base T-shaped grooves which are arranged in a crossed mode and distributed in an array mode are formed in the base, an input transmission disc is connected to the power generation device, and an output transmission disc is connected to the load simulation device; the load simulation device comprises a load air compressor mounted on the upper surface of the to-be-tested equipment, the load air compressor is connected to the output transmission disc through a gearbox II, and the load air compressor is further connected with a balancing device used for counteracting the gravity of the load air compressor; in the process of detecting or simulating the to-be-tested equipment, the influence of the power generation device and the load simulation device on the monitoring equipment can be isolated to the maximum extent, but the torque is only transmitted to the to-be-tested equipment, so that the test and simulation effects are relatively good, and the influence of the power source and the load mechanism on the test result is avoided.

The invention discloses a self-inspection reminding type stainless steel pipe for sewage disposal, and belongs to the field of stainless steel pipes, the self-inspection reminding type stainless steel pipe for sewage disposal comprises a stainless steel pipe body, the stainless steel pipe body is provided with a scale inspection reminding assembly, and the scale inspection reminding assembly comprises an external adjusting box fixedly installed on the outer wall of the bottom end of the stainless steel pipe body; and a sealing partition plate is fixedly mounted in the external adjusting box. Through the arrangement of the scale detection reminding assembly and the discharge sensing and driving detection assembly, when sewage is discharged every time, under the driving of the discharge sensing and driving detection assembly, the scale detection reminding assembly can detect dirt on the inner wall of the stainless steel pipe body, if the dirt is thick, part of reminding rods can move out of the external adjusting box and reflect light, and therefore the dirt can be conveniently discharged. Reflection of the reminding rod can play a reminding role, so that a worker can clean dirt on the inner wall of the stainless steel pipe body in time, and then the worker can well control the time node of dirt cleaning.

The invention discloses an underground water content and water quality micro monitoring system. The system comprises a buoy shell, wherein a buoy cavity penetrating left and right is formed in the buoy shell, a telescopic cavity is formed in the upper side of an underground water channel, and a water taking pipe extending into the buoy cavity is slidably connected into the bottom wall of the telescopic cavity; a lower detection point is arranged above a water taking point of underground water, the water quality of each water level is detected in real time through wireless transmission, the labor consumption is reduced, the detection result is more efficient, and the water taking pipeline is washed to ensure that the water quality of the underground water during water taking is the current water quality, so detection is not influenced by the water taking pipeline, and moreover, the signal antenna for transmitting signals is protected, so the signal antenna cannot be damaged during lightning protection, and the lightning rod is taken back during signal transmission, so high efficiency and safety of signal transmission are ensured.