34results about How to "Increase the resistance value" patented technology

The invention relates to the technical field of secondary batteries, in particular to a conductive composite current collector, a preparation method thereof and a battery. The conductive composite current collector comprises a supporting layer, a metal layer arranged on at least one surface of the supporting layer and a PTC (Positive Temperature Coefficient) bottom coating arranged on the surface, far away from the supporting layer, of the metal layer, the supporting layer comprises a polymer base membrane and conductive fibers dispersed in the polymer base membrane; the PTC undercoat layer includes a conductive polymer and a conductive agent dispersed in the conductive polymer. The conductive composite current collector provided by the invention is high in conductivity and excellent in safety, the probability of thermal runaway of the battery at a high temperature is effectively reduced, and the rate capability and the cycle performance of the battery are improved.

The invention relates to the technical field of pressure-sensitive adhesives, in particular to a high-temperature-resistant high-impedance pressure-sensitive adhesive, a supporting film and a preparation method of the supporting film. A styrene-butadiene-styrene block copolymer (SBS) is used as a main body material, an acrylic copolymer with high carboxyl content is grafted in a solvent in a thermal initiation mode, the high-temperature-resistant and high-impedance pressure-sensitive adhesive is obtained after the high-temperature-resistant and high-impedance pressure-sensitive adhesive is compounded with tackifying resin, a curing agent and an antioxidant, and after optical-grade PET is coated with the high-temperature-resistant and high-impedance pressure-sensitive adhesive, the high-temperature-resistant and high-impedance pressure-sensitive adhesive is obtained. According to the novel supporting film, the polarity of the SBS main body material is low, the excellent electrical insulation performance is provided, the supporting film body has the characteristic of high impedance, and therefore the requirement for high impedance of the supporting film in a copper bar friction experiment is met; in addition, after the acrylic copolymer with high carboxyl content is grafted, a large number of crosslinking points can be provided, and the overall crosslinking degree is greatly increased after thermocuring, so that the high-temperature modulus of the adhesive layer is improved, and the adhesive layer is endowed with the characteristic of high-temperature deformation resistance.

The invention belongs to the technical field of protein, and relates to an active peptide for enhancing intestinal barrier function and a preparation method and application thereof, and the amino acid sequence of the peptide is LIPR. According to the active peptide, the intestinal barrier function is enhanced by promoting expression of sealing protein, closing protein and ZO-1 protein, so that toxin invasion is reduced, and intestinal health is maintained. The invention also provides a preparation method and application of the active peptide for enhancing the intestinal barrier function.

The invention relates to the technical field of semiconductor laser manufacturing. The invention particularly relates to a semiconductor laser chip structure and a manufacturing method thereof. The semiconductor laser chip structure provided by the invention comprises a laser substrate and a heavily doped table, and the heavily doped table is arranged on the surface of one side, opposite to a substrate layer, of an upper limiting layer of the laser substrate and comprises a first ohmic contact layer, a second ohmic contact layer and a resistance control layer; the heavily doped table is provided with a current injection region, and is provided with a first current injection window and a second current injection window; a current path from the first current injection window to the substrate layer does not pass through the resistance control layer, and a current path from the second current injection window to the substrate layer passes through the resistance control layer; the second current injection window is at least arranged on one side of the current injection region close to the rear cavity surface. According to the semiconductor laser chip structure provided by the invention, carrier injection of the front cavity surface and the rear cavity surface can be effectively balanced, so that local failure of the front cavity surface is avoided, and the device efficiency can be improved.

The invention relates to preparation and application of a wearable hydrogel sensor for strain and temperature dual-mode monitoring, and the preparation method comprises the following steps: 1, mixing acrylamide, N, N-methylene bisacrylamide, PEDOT: PSS, beta-cyclodextrin and gallic acid; step 2, after mixing, putting the mixture into a mixed solution of glycerol and deionized water, and uniformly stirring at normal temperature to obtain a conductive hydrogel precursor solution; 3, adding ammonium persulfate into the hydrogel precursor solution, and uniformly mixing to obtain a hydrogel precursor solution; step 4, cutting an I-shaped mold and an S-shaped mold, pouring the precursor solution in the step 3 into the mold, and obtaining conductive hydrogel under a heating condition; 5, conductive adhesive tapes or wires are arranged on the left side and the right side of the conductive hydrogel and directly extend to serve as lead wires connected with external equipment, waterproof breathable adhesive tapes are used for packaging, the I-shaped hydrogel serves as a strain sensor, the S-shaped hydrogel serves as a temperature sensor, and an IS wearable sensor is formed. According to the invention, the two modes do not interfere with each other.

The utility model discloses a novel temperature controller, which comprises a mounting shaft, a substrate, an adjusting rod, a first magnetic ring, an upper elastic sheet, a lower elastic sheet, a lower contact sheet, a bimetallic strip, a first terminal, a second terminal, a third terminal, an anti-freezing sheet, a first heating wire, a second heating wire and a first mica sheet, the substrate, the first magnetic ring, the upper elastic piece, the first terminal, the lower contact piece, the second terminal and the third terminal are sequentially arranged on the mounting shaft in a sleeving mode from top to bottom, the first mica sheet is clamped between the bimetallic strip and the third terminal, a winding part is arranged at one end of the first mica sheet, and the second heating wire is wound on the winding part of the first mica sheet. One end of the first heating wire and one end of the second heating wire are electrically connected with the bimetallic strip, the second terminal is electrically connected with the first heating wire, and the third terminal is electrically connected with the second heating wire. The length of the second heating wire is increased, so that the resistance value of the heating wire is increased, the use requirements of fast heating and slow cooling of an electric appliance are met, the volume of the whole temperature controller does not need to be increased, and the installation is convenient.

The invention relates to a hybrid voltage limiter. According to the invention, the hybrid voltage limiter (1) comprises a first electrode (14), a second electrode (15), flip-flop electronics (10), a thyristor component and a varistor component, the varistor component comprising a varistor (9) and being connected in parallel with the thyristor component, where the thyristor component is electrically connected to the first electrode (14), the thyristor component forming two thyristors (5) connected antiparallel, the gate of an anti-parallel connected thyristor (5) is connected to the flip-flop electronics (10) in such a way as to be able to receive a trigger signal of the flip-flop electronics (10), where the flip-flop electronics (10) are electrically connected to a first electrode (14) and a second electrode (15), where the thyristor component is electrically connected to the second electrode (15) via a first resistivity. The thyristor component is electrically connected to the second electrode (15) by a bypass (6) having a second electrical resistivity, the first electrical resistivity having a higher resistance value than the second electrical resistivity, and the bypass (6) is connected to the second electrode (15) in a spark gap-avoiding manner, and the varistor component is electrically connected to the first electrode (14) and the second electrode (15).

The invention discloses a mouth opening function rehabilitation training device, and relates to the field of mouth openers, the mouth opening function rehabilitation training device comprises a foldable mouth opening assembly, a base, a limiting assembly, a resistance adjusting assembly and the like, and the two ends, away from the folded end, of the mouth opening assembly are sequentially hinged to a supporting rod, a connecting rod and a grab handle. A plurality of vertical hanging lugs are symmetrically arranged on the base, and the supporting rods and the grab handles are hinged to the corresponding vertical hanging lugs. The limiting assembly is arranged in the included angle of the grab handle, is perpendicular to the rotating plane of the grab handle and is connected to the base in a sliding mode, and a body of the limiting assembly is of a conical structure. The resistance adjusting assembly comprises an adjusting rod, a sleeve and a spring, one end of the adjusting rod is rotationally connected to the base, the other end of the adjusting rod is in threaded connection with the sleeve, and the sleeve is connected to the hinged position of the connecting rod and the supporting rod through the spring. The resistance is increased in a stepless mode, so that the patient can slowly adapt to the size of the occlusion resistance, the maximum limit value is set to be adjustable, and the situation that the patient or family members cannot grasp the maximum value of the mouth opening angle during auxiliary training is prevented.

The invention relates to the technical field of valves, in particular to a plug valve with a switching structure and a switching method thereof.The plug valve with the switching structure comprises a valve body, a valve element, a rotating rod, a supporting frame, a mounting box, a gear motor, a supporting seat, an emergency shaft rod and a switching mechanism, and the switching mechanism is provided with a switching output end and a connecting output end; the number of the connecting output ends is two, one connecting output end is used for connecting the gear motor and the rotating rod, the other connecting output end is used for connecting the emergency shaft rod and the rotating rod, and the switching output end is used for connecting the rotating rod and the gear motor or connecting the rotating rod and the emergency shaft rod. According to the device, the plug valve can be flexibly switched between a manual control mode and an electric control mode according to needs, and it is ensured that the plug valve can be suitable for different working environments.

The utility model discloses a water-saving electricity-saving contract energy management device, which relates to the technical field of energy management, and comprises a box body and a controller, the controller is fixedly connected in the box body, a power transmission line is arranged in the box body in a penetrating manner, and the side wall of the bottom end of the box body is fixedly connected with a water pump. A water tank is fixedly connected to the inner wall of the bottom end of the box body, a water conveying pipe is fixedly connected to the side wall of the water tank, and a water outlet pipe of the water pump extends into the water tank. The controller controls the circuit switch to be switched on and off, the power transmission line transmits excessive electric energy into the energy storage power supply, when water consumption is reduced, the water level in the water tank rises to drive the buoy to rise, meanwhile, the sliding rod pushes the shifting piece to move along the winding resistor, the resistance value of the winding resistor in a circuit is increased, and the service life of the winding resistor is prolonged. The service power of the water pump is reduced, water delivery can be reduced, and the water-saving and electricity-saving effects are guaranteed.

The invention provides non-interference liquid cooling equipment for vehicle-mounted electronic equipment, and relates to the technical field of vehicle-mounted equipment cooling. The vehicle-mounted electronic equipment interference-free liquid cooling equipment comprises a shell and three electronic equipment bodies, a liquid cooling mechanism is arranged on the upper surface of the shell, three pressurizing mechanisms and a pressurizing cylinder are arranged in the shell, a piston is arranged in the pressurizing cylinder, a liquid inlet of the pressurizing cylinder is connected with the liquid cooling mechanism, and a liquid outlet of the pressurizing cylinder is connected with the liquid cooling mechanism. A liquid outlet of the pressurizing cylinder is connected with a flow channel pipe, the flow channel pipe is spirally wound on the outer surface of the electronic equipment body and flows back into the liquid cooling mechanism through a backflow pipe, an electric control assembly is arranged on the front face of the shell and controlled by the temperature, the higher the temperature is, the larger the flow of the liquid cooling mechanism is, and the higher the flow of the liquid cooling mechanism is. The power connection ends of the three electronic equipment bodies are connected with a wiring mechanism. The heat dissipation degree can be adjusted according to the heat dissipation amount, efficient heat dissipation and low power consumption balance are achieved, and meanwhile the dustproof and waterproof performance is achieved.

The present invention belongs to the field of bioelectronics and neuromorphic computing technology, and relates to a SF-based memristor with a reversible negative photoelectric effect and a preparation method thereof, wherein SF@WS is spin-coated on the upper surface of a conductive layer. 2 After suspension, drying forms SF@WS 2 layer, and then deposit the electrode layer to obtain a SF-based memristor with a reversible negative photoelectric effect. 2 The solution was prepared by adding WS to the SF solution. 2 The invention solves the problems of poor cycle stability, short data retention time and irreversibility of negative photoelectric memristor in existing SF-based memristor, and realizes reversible regulation of device resistance with light intensity, long data retention time and good cycle stability.

The present invention belongs to the field of protein technology, and relates to an active peptide for enhancing intestinal barrier function, a preparation method and an application thereof, wherein the amino acid sequence of the peptide is LIPR. The active peptide enhances the intestinal barrier function by promoting the expression of claudin, occludin and ZO-1 protein, thereby reducing toxin invasion and maintaining intestinal health. The present invention also provides a preparation method and an application of the active peptide for enhancing intestinal barrier function.

A driving power supply with a multifunctional protection circuit comprises a rectification module, a conversion module and an output filtering module. The rectifier module is connected with an external power supply. The conversion module is connected with the rectification module. The output filtering module is connected with a load and comprises a filtering unit and a protection unit. The filtering unit is connected with the conversion module. The protection unit is connected with the filtering unit and the conversion module. The protection unit comprises a current limiting assembly and a switch assembly which are connected in parallel.

The invention relates to meteorological instruments and microelectronic technologies, in particular to a platinum resistor chip for high-altitude temperature observation and an FIB punching process, the platinum resistor chip comprises a rectangular base and a platinum resistance wire, and the rectangular base is of a horizontal frame structure; the platinum resistance wire is installed on the rectangular base, and continuous holes are formed in the part, located on the hollowed-out area, of the platinum resistance wire in the length direction of the platinum resistance wire; the holes in the platinum resistance wire in the hollow area are divided into a middle area and auxiliary areas at the two ends of the middle area; the hole spacing of the middle area is smaller than that of the auxiliary area; and two ends of the platinum resistance wire are leads. The mass of the platinum resistance wire is reduced, the ventilation quantity is increased, so that the platinum resistance wire cannot be damaged due to excessive wind power, meanwhile, the cross sectional area of current is reduced, the resistance value of the platinum resistor is increased, and the temperature influence caused by different materials between the platinum resistor and a bonding pad or a wire except for solar radiation is greatly reduced; therefore, the measurement of the high-altitude environment temperature is more accurate, and the response rate is higher.

The utility model discloses an anti-interference structure of a motor, which comprises an end cover arranged on a motor shell, a carbon brush, a capacitor and a PTC (Positive Temperature Coefficient) thermistor are arranged in the end cover, an inductor is arranged on the back of the end cover, the carbon brush is connected with the inductor and the PTC thermistor, a connecting end is arranged on the end cover, and the inductor and the capacitor are respectively connected with the connecting end. The carbon brush comprises a first carbon brush and a second carbon brush, the capacitor comprises a first capacitor and a second capacitor, the inductor comprises a first inductor and a second inductor, the connecting terminal comprises a positive terminal and a negative terminal, and one end of the PTC thermistor is connected with the first carbon brush; the other end of the PTC thermistor is connected with the positive terminal through the first inductor, the second carbon brush is connected with the negative terminal through the second inductor, one end of the first capacitor is connected with the positive terminal, the other end of the first capacitor is grounded, one end of the second capacitor is connected with the negative terminal, and the other end of the second capacitor is grounded. The motor has good anti-interference performance, and the performance of the motor is improved.

The utility model relates to the field of circuit protection, in particular to a melt, a fuse and application, a plurality of rows of narrow necks are evenly distributed in the length direction of the melt at intervals, the narrow neck located in the middle of the length direction of the melt is a long narrow neck, the narrow necks on the two sides of the long narrow neck are short narrow necks, and the length of the long narrow neck in the length direction of the melt is larger than that of the short narrow necks; the two sides of each narrow neck in the length direction of the melt are respectively provided with a flame-retardant belt, and the flame-retardant belts penetrate through the width of the melt. According to the fuse using the fuse body, a flame-retardant liner is arranged between an inner cap and an outer cap. The fuse body and the fuse can tolerate higher surge current, can tolerate larger voltage, can tolerate larger current, are higher in breaking capacity, can be applied to the rear end of a surge protector, and can meet the requirement that leakage current is broken for backup protection when the surge protector fails.

The invention discloses a composite film humidity sensor based on a ternary semiconductor metal oxide and a preparation method of the composite film humidity sensor, and belongs to the field of semiconductor sensors. An Sn-Ti-Zn-O ternary semiconductor metal oxide film is prepared on an insulating substrate by utilizing an atomic layer deposition technology, and the humidity sensor can be used for humidity detection under the condition that a noble metal catalyst is not needed. The thin film type humidity sensor with high sensitivity, rapid response / recovery, wide measuring range and good stability is obtained, and the problem of long response / recovery time of a common humidity sensor is solved; the humidity sensor is simple in structure, the preparation process is compatible with the microelectronic process, the humidity sensor is suitable for humidity monitoring in multiple occasions, and the cost of the sensor is obviously reduced.

A power conversion device according to an embodiment of the present invention comprises: a power conversion unit that converts and outputs input power; an auxiliary power unit receiving power from a first input / output terminal of the power conversion unit to generate auxiliary power of the power conversion unit; and a circuit breaker connected to the second input / output terminal of the power conversion unit, in which the auxiliary power unit operates when the circuit breaker is turned on and stops operating when the circuit breaker is turned off.

The present invention relates to a current collector for a positive electrode, which is a current collector for a positive electrode instead of a metal foil, and which comprises: a polymer film made of a non-metal non-conductor material; and an aluminum conductive material that forms the outermost surface of the current collector for the positive electrode by being coated or coated with a thickness of 0.25-0.6 [mu] m on at least one of the upper surface and the lower surface of the polymer film, the conductive material having the function of an electrochemical fuse when an internal short circuit or an external short circuit occurs. Or the function of disconnecting or reducing the short-circuit current is realized.

A kind of TMR sensor assembly for detecting urea tank liquid level, including PCB substrate and TMR magnetic control IC arranged on PCB substrate, patch resistance, one end of PCB substrate is provided with blank and narrower connecting end, and connecting end is electrically connected with corresponding connector crimping terminal in connector plastic shell by multiple connecting wires.The utility model has the advantages of smaller size, smaller gear interval can be set, higher resolution compared with traditional dry reed sensor, its life is much longer than the switch life of dry reed, and reliability is greatly improved.

This application discloses a system and method for measuring the depth of concrete surface during the construction of a seepage-proof wall, relating to the field of seepage-proof wall construction technology. The system includes a signal feedback line, a main connecting wire, and a calibration resistance line. The first end of the signal feedback line is electrically connected to the measuring contact of the display structure; the first end of the main connecting wire is electrically connected to the positive terminal of the display structure; and the first end of the calibration resistance line is electrically connected to the calibration contact of the display structure. The second ends of the signal feedback line, the main connecting wire, and the calibration resistance line are electrically connected, and all three are connected to a counterweight structure. The signal feedback line has multiple equally spaced depth sensing resistors. The display structure is used to display the depth of the concrete surface in the pouring trench in real time. The number of burst resistors is equal to the number of depth sensing resistors, and the burst resistors and depth sensing resistors are connected in parallel. The burst resistors have a breakable outer shell. This application measures the concrete surface depth by measuring resistance changes, achieving high accuracy, high construction efficiency, and cost savings.

The utility model discloses a two-core DC cable, which comprises a cable core, a filling strip, a buffer layer, an inner cushion layer, an anti-seismic layer, an armor layer and an outer sheath, the cable core comprises two parallel equal-radius cable core monomers, the outer layer of the cable core is sequentially provided with the buffer layer, the inner cushion layer, the anti-seismic layer, the armor layer and the outer sheath, and the filling strip is arranged between the cable core and the buffer layer; each cable core single body is provided with a conductor, a wrapping semi-conductive layer and an insulating layer which are arranged from inside to outside, the outer layer of each insulating layer is provided with tooth-shaped protrusions, and protruding table tops which abut against each other are arranged at the contact positions of the tooth-shaped protrusions of the two cable core single bodies. According to the utility model, the two cable core monomers adopt a non-twisting design, the cable core length is small, the resistance is small, and the current-carrying capability is stronger; according to the utility model, the outer layer of the insulating layer is provided with the tooth-shaped protrusions and the protruding table-boards which are abutted against the tooth-shaped protrusions, so that space charges on the insulating surface can be effectively reduced, gaps among the tooth-shaped protrusions can form air bands which are beneficial to heat dissipation, rapid degradation of the insulating layer is avoided, and the service life of the direct-current cable is prolonged.

The invention discloses a piezoelectric film pressure sensor suitable for different temperatures, which comprises an upper thermal insulation layer, an upper heating layer, a piezoelectric material film layer, a lower heating layer and a lower thermal insulation layer which are sequentially stacked from top to bottom, and is characterized in that the piezoelectric material film layer is packaged between the upper heating layer and the lower heating layer and leads out piezoelectric signals through a signal line; the upper heat preservation layer and the lower heat preservation layer are each composed of a hard supporting framework and a flexible heat insulation filling material, the hard supporting frameworks are hollowed-out grid supporting frames, the thickness of the hard supporting frameworks is equal to the thickness of the upper heat preservation layer and the thickness of the lower heat preservation layer, and grids of the hard supporting frameworks are filled with the flexible heat insulation filling materials. By arranging the thermal insulation layer, the problem that the piezoelectric film pressure sensor is influenced by external temperature is solved, and the accuracy of piezoelectric data acquisition is improved while the sensitivity of the piezoelectric film pressure sensor is ensured.

The invention discloses a magnetic circuit part and a direct-acting relay. Wherein the magnetic circuit part is used for a direct-acting relay, and the magnetic circuit part is additionally provided with a lining which is made of a non-magnetic material and is in sliding fit with a movable iron core between a magnetic conductive plate and a magnetic conductive sleeve along the extension direction of a shaft hole of a coil frame. The direct-acting relay comprises the magnetic circuit part. By adopting the technical scheme, compared with the prior art, the resistance value when the relay is closed can be ensured to meet the design requirement.

The invention belongs to the technical field of thin film sensors, and relates to a high-temperature thin film thermocouple and a preparation method thereof.The high-temperature thin film thermocouple comprises a ceramic substrate, a bonding layer, a sensitive thin film functional layer and an aluminum oxide protective layer which are sequentially arranged from bottom to top, and electrode layers are arranged on the two sides of a wiring end in the sensitive thin film functional layer; the electrode layer is located between the bonding layer or the ceramic substrate and the aluminum oxide protection layer, the electrode layer comprises a GaOx layer printed at normal temperature and an ultrathin layer Au prepared through deposition, and the ultrathin layer Au is arranged above the GaOx layer. The oxidation layer printed on the ceramic substrate or the bonding layer can improve the adhesion of gold, so that the metal-modified electrode layer has excellent conductivity, thermal stability and mechanical stability, and the thickness of the aluminum oxide monolayer arranged on the electrode layer is controlled to be nanoscale, so that the conductivity of the electrode is not influenced, and the conductivity of the electrode is improved. And oxidation of a transition region of the sensitive film functional layer and the electrode layer under a high-temperature condition is effectively inhibited.

The invention discloses a large-current high-frequency high-speed transmission Type-C connector, which comprises an insulating body, a shielding shell, a grounding terminal, a power supply terminal, a signal terminal and a clamping hook piece, the grounding terminal, the power supply terminal and the signal terminal are respectively inserted into the corresponding terminal grooves from back to front; a high-frequency terminal group for high-frequency high-speed transmission is arranged on the insulating body, the high-frequency terminal group comprises a plurality of high-frequency terminal modules, each high-frequency terminal module comprises a high-frequency terminal and an insulating part, the high-frequency terminals and the insulating parts are molded to form the high-frequency terminal modules, and the high-frequency terminal modules are inserted into the corresponding terminal grooves from back to front; the widths of all parts of the signal terminal are the same, and the width of the high-frequency terminal is greater than that of the signal terminal; therefore, the high-frequency and high-speed passing performance of the high-frequency terminal is better, the modular design and the plug-in mounting design of the high-frequency terminal are realized, so that the high-frequency terminal integrates molding forming and plug-in mounting, the assembling process of the high-frequency terminal is simplified, the high-frequency terminal is simple and convenient to assemble, and the high-frequency terminal is more beneficial to forming and manufacturing.

The utility model provides a discharging device which comprises a base, a resistor, a contact piece, a grounding piece and an elastic piece, the resistor is connected to the base and comprises a first end and a second end which are opposite in the first direction, the contact piece is movably connected to the resistor in the first direction, the grounding piece is arranged on the base and electrically connected to the first end, and the elastic piece is arranged on the base and electrically connected to the second end. An elastic member connected to the base and the contact member is used to restrict movement of the contact member toward the first end. In the structure, the elastic piece can limit the contact piece to move towards the first end, so that the part, connected between the contact piece and the grounding piece, in the resistor is relatively long and has a relatively large resistance value, and the relatively large resistance value is accessed in the discharging device when the contact piece is in contact with the to-be-discharged device, so that the to-be-discharged device performs resistance discharging; the possibility of direct discharge is reduced, the possibility of arc discharge is reduced, and the reliability of the discharge device in the using process is improved.

The present invention provides a saturated reactor suitable for a direct current transmission system, the reactor comprising an iron core, a coil and a water cooling system; the coil is connected in parallel with a variable resistor whose resistance is inversely proportional to the current passing through it, and the reactor body composed of the coil and the iron core is provided with a water cooling system. The present invention connects a resistor with a variable resistance in parallel to the iron core coil of a traditional reactor; and its resistance is inversely proportional to the current passing through it; when the thyristor connected in series with the reactor is turned on, since the current passing through the variable resistor is relatively small, its resistance is relatively large, which can provide sufficient damping to limit the excessive growth of the thyristor gate current; and after the thyristor is fully turned on, the current passing through the variable resistor increases, so its resistance decreases, the corresponding damping decreases rapidly, and the heat generated by it decreases; the on-state energy loss is reduced, and the heat dissipation of the reactor is improved.

The tumor organ chip comprises a chip body, structural units are arranged on the chip body in an array mode, and each structural unit is provided with a microsensor; each structural unit comprises a culture pond, and a cancer cell culture solution is added into the culture pond; each micro sensor comprises two micro beams which are assembled in the culture pond; the cancer cells move to drive the micro-beam to deform, so that the micro-sensor generates resistance change, and the resistance change is measured by using external monitoring equipment to realize real-time monitoring of the cancer cell activity; the structural unit comprises a culture pond for culturing cancer cells and a groove for mounting the microsensor; the micro-beam is of a three-layer core cladding structure, the inner layer selects elastic fibers as a substrate, the middle layer selects a flexible piezoresistive material as a conductive coating, and the outermost layer selects an elastic insulating material for packaging; mounting electrodes at two ends of the conductive coating; according to the invention, in-situ real-time monitoring of the contraction activity of cancer cells can be realized.