35 results about "Skin test device" patented technology

The invention relates to a drop test device and belongs to the technical field of the technological equipment. The drop test device is mainly characterized by comprising a base, a fastening bolt, a contact plate mechanism, a support, a reinforcing cross beam, guide rails, a top beam, a lifting hook, a pulley, a clamp, a limiting plate, a ladder, a bottom beam, a nylon rope and a winch; the contact plate mechanism comprises a pin seat, a shaft pin, a contact plate seat, a base, a groove, a contact plate and a supporting rod; the winch is used for controlling different heights, the contact plate mechanism is used for controlling different dropping angles, and the guide rails and the limiting plate are used for guaranteeing a vertical drop trajectory; the pulley is located in the same vertical plane with the two guide rails. The drop test device is good in test result consistency, wide in application range, safe for people to operate, quick and simple in retesting, convenient to adjust and maintain, and the like.

Skin test device has a film backing. The film backing is made of silicone, and is marked off into divisions by grooves. The divisions each have a different sample containing a suspected allergen. The film backing has a see-through feature and the condition of the skin can visually be checked when the film backing is staying on the skin. The divisions are easily separable from each other. When certain samples cause significant allergic reactions, the divisions corresponding to those samples can be removed immediately. Another embodiment of the invention provides a skin test device comprising a film backing and a pricking bit formed on the film backing, wherein the pricking bit is removable while the skin test device is applied to the skin.

The invention relates to a method for evaluating the anti-pollution effect of a washing type cosmetic. The method comprises steps as follows: a, subject skin is taken, the surface of the subject skin is washed clean, and then the melanin content of the subject skin is tested by a skin tester and recorded as M<before test>; b, the subject skin treated in the step a is placed in a PM2.5 smoke environment and then taken out, and then the melanin content of the subject skin is tested by the skin tester and recorded as M<after pollution>; c, the subject skin treated in the step b is washed with the to-be-tested cosmetic, then washed clean with clear water and air-dried naturally, and then the melanin content of the subject skin is tested by the skin tester and recorded as M<after washing>; d, the pollution removal rate is calculated. The method for evaluating the anti-pollution effect of the washing type cosmetic has the advantages of simplicity in operation and capability of objectively and reliably reflecting the anti-pollution effect of the washing type cosmetic.

The invention discloses a metal electrification shearing test device and a metal electrification shearing test method. The metal electrification shearing test device can achieve the detection of material shearing strength under the condition of high energy electrical impulse current. A base of the metal electrification shearing test device is mounted on a tester workbench, a concave mold is fixed in the middle of a groove in the base, and a convex mold is located above the concave mold; an insulation plate is located between the convex mold and a connection rod; the connection rod is mounted above the insulation plate and is fastened on the convex mold together with the insulation plate via fastening bolts; a shearing sample is placed into two round holes of the concave mold and symmetrically mounted; a high energy pulse power supply is located at the end part of the base and keeps a safety distance from the base; the lead-out wire of the high energy pulse power supply is fixedly connected onto clamping heads at the two end parts of the shearing sample. According to the invention, via researching the material mechanical performance under the condition of electrification, the influence effect of a high energy pulse on the material mechanical performance parameters is determined, the material mechanical performance parameters are provided under the condition of electrification, in particular to the shearing strength, and the device and the method are applied to electric plastic processing.

The invention provides a shock test device, and belongs to the technical field of shock test machines. The shock test device comprises a fixed-axis rotation system, a shock component, a weight balancecomponent and a trigger component; the fixed-axis rotation system comprises a cross beam lever and a rotary shaft support which can make the cross beam lever rotate; the shock component is fixedly connected to one end of the cross beam lever and used for shocking a test piece; the weight balance component is fixedly connected to the other end of the cross beam lever and used for providing the shock force; and the trigger component is used for making the cross beam lever to be horizontal and triggering the shock component to conduct shock damage testing. The shock test device, on the one hand,can change the force applying direction through the cross beam lever so as to conduct shock damage testing on the damaged positions located at the bottom of the test piece or the parts where a drop-hammer shock testing table cannot be applied, and on the other hand, has the advantages of being easy to mount and convenient to carry.

The invention discloses a skin testing device. The skin testing device comprises a machine body and a testing head arranged on the upper end of the machine body, wherein the testing head comprises a testing end face, the testing end face is provided with sensors, the sensors comprise an inner sensor and an outer sensor, the inner sensor and the outer sensor have the same center shaft, and at least part of the outer sensor surrounds the periphery of the inner sensor. The skin testing device has the advantages that the design is elaborate, the structure is reasonable, the operation is convenient, various physiological parameters of the skin water content and the skin oil content can be measured at the same time through the arrangement of the various sensors, through the reasonable arrangement of the shapes of the sensors, the two sensors are fully combined together to enable the two sensors to have an overlapped or partially overlapped detecting area at the same time, the space is reasonably used through the arrangement, the area of the testing head is made to be minimum to meet the testing requirements of areas including the hands and the face, and meanwhile the testing precision can be guaranteed.

The invention relates to a tensile test device and a heating device, and the tensile test device comprises the heating device and a tensile test machine, wherein the tensile test machine comprises loading heads capable of moving oppositely and reversely, the heating device comprises a heating furnace bracket and a heating furnace guiding and moving front and rear and assembled on the heating furnace bracket, the heating furnace is provided with at least two test piece perforations perforating through the upper furnace wall and the lower furnace wall of the heating furnace in the up-and-down direction, the respective test piece perforations are arranged at intervals in the front-rear direction, and the heating furnace is provided with a fixing device corresponding to the test piece perforations for detachably fixing the tensile test pieces in the test piece perforations. The invention solves the problem in the prior art that the tensile test pieces need to be separated from the heatingdevice to cause temperature loss during the tensile test, and can simultaneously heat two or more tensile test pieces.

The invention discloses a skin tester. The skin tester comprises a machine body, a power supply device and a testing head arranged on the machine body, wherein the testing head comprises a sensor component. The tester further comprises a power supply switch device capable of switching on and switching off the power supply device in one step and a signal transceiver arranged in the machine body and used for being communicated with the user side. The skin tester is elaborate in design, reasonable in structure and convenient to operate. By arranging a sensing device automatic starting structure and multiple power supply starting structures and omitting various starting buttons arranged on a skin tester in the prior art, production cost is reduced. The signal transceiver matched with the user side is arranged to be matched with mobile terminals such as mobile phones and tablet computers, the 3G technology is fully utilized, accessories such as function keys and a display screen on the skin tester are omitted, a user does not need to set the skin tester, operation is extremely convenient, and the skin tester can be used conveniently by the user alone.

The invention provides a test device and a test system. The test device comprises a communication module used for receiving a first instruction sent by a host computer, a simulation signal output module used for generating a first simulation signal according to the first instruction and sending the first simulation signal to a detection box, and a load and state switching module used for generating the simulation load network according to the first instruction, wherein a first feedback signal is generated by the detection box according to the first simulation signal, after the first simulationsignal is received by the detection box, a first detection signal is generated by the detection box, the first detection signal is further sent to the load and state switching module for detecting the simulation load network, a second feedback signal is generated by the detection box according to the detection result, and the work state of the detection box is detected by the host computer according to the first feedback signal and the second feedback signal. The test device is advantaged in that the work environment of the detection box in the actual application can be simulated, the test result of the detection box can be rapidly detected through simulation signal interaction, and test efficiency is improved.

The invention provides a skin tester, which comprises a main body (200) and a sensing portion, wherein a moisture sensor is arranged on the sensing portion; the moisture sensor comprises a flexible circuit board (130), a moisture sensing element (110) and a humidity-sensitive thin film (120) which are sequentially arranged from inside to outside; the flexible circuit board is fixed to the main body; the moisture sensing element comprise two lead wires (111, 112) which are arranged on the flexible circuit board at intervals in a parallel mode, and the humidity-sensitive thin film covers the upper side of the moisture sensing element; when a test is conducted, the humidity-sensitive thin film gets into direct contact with skin, the moisture sensing element covering the lower side of the humidity-sensitive thin film is used for measuring a capacitance value of the skin, the moisture sensor is electrically connected to a processing unit in the main body, and a test value, which is converted into a skin moisture content by virtue of the processing unit, is transmitted to a display unit by virtue of a transmission unit. The skin tester disclosed by the invention is simple in structure, high in test accuracy and convenient to use.

The invention relates to an automobile sealing strip wear resistant test device and a test method. The device includes: a fixed tooling main body, which is equipped with a vertical sealing strip support plate; a linear reciprocating motion body, which is located at a first side of the support plate and can perform reciprocating motion perpendicular to the support plate; an angle adjustment member, which is located at a second side of the support plate; a strip-type textile, which has a first end fixed to the motion body and a second end attached to a traction part for textile stretching. During a sealing strip wear resistant test, the textile is put on a to-be-tested sealing strip at a top edge of the support plate, and passes through the angle adjustment member at the second side of the support plate, and the adjustment member adjusts the inclination angle of the part between the support plate and the adjustment member to make the textile cover a wear-resistant coating on the sealing strip appropriately. The device and method provided by the invention can simulate the abrasion of clothing to the automobile sealing strip, lower the sealing strip failure risk, are suitable for evaluation of automobile sealing strip textile wear resistance, also are low in cost, and have wide application range.

The invention relates to a multi-effect anti-aging skin care product and a preparation method thereof, and belongs to the technical field of cosmetics. A composition for the multi-effect anti-aging product comprises an inonotus obliquus extract, and the multi-effect anti-aging skin care product comprises the composition for the multi-effect anti-aging product. In view of a measure for effectivelydelaying senescence, functional raw materials are selected from different angles, a plurality of active ingredients with moisturizing, whitening, anti-oxidation, anti-saccharification, anti-inflammatory, lifting and tightening effects are scientifically matched to prepare a real multi-effect anti-aging skin-moistening cream according to the synergistic interaction principle, the sensory and physicochemical indexes of the product are tested, the effects of whitening, oxidation resistance, saccharification resistance and the like are researched, and the performance of the product is comprehensively evaluated through volunteer trial and skin tester test.

The invention relates to an analysis device for baby cream for preventing diaper rash. The analysis device comprises a sampling device, a bacteria detecting device, a skin tester, a water absorption detecting device, an environment adjusting device and a data analysis device. According to the analysis device for baby cream for preventing diaper rash, the performance analysis process of the cream is divided into water absorption performance analysis, water retention performance analysis and antibacterial performance analysis; the application area of the cream is analyzed, so that an optimal experimental area is selected; and sample collection time and a sample collection area are strictly limited, and are controlled within a range enabling an optimal contrast effect. The device can automatically control reagent addition quantities and experiment time of all experimental steps, and therefore, testing personnel do not need to manually control addition quantities and time, an intelligent experiment can be realized, the burden of the testing personnel can be reduced, and efficiency can be improved.

A skin test device for determining an infant's sensitization to different foods having different levels of allergic response. The skin test device may include a plurality of chambers, each chamber housing one of a negative control material, an infant formula and a protein component selected from the group consisting of an amino acid, a hydrolyzed protein, intact casein protein, intact whey protein, or combinations thereof.