39 results about "Digital thermometers" patented technology

The utility model belongs to the technical field of experimental equipment, and particularly relates to acrylic emulsion synthesis experimental equipment. The pre-emulsion container is arranged on the meter, a stirring head of the first stirrer extends into the pre-emulsion container, the electric diaphragm pump is connected with the pre-emulsion container and the emulsion synthesis container through a first pipeline and a second pipeline, and the peristaltic pump is connected with the redox agent container and the emulsion synthesis container through a third pipeline and a fourth pipeline; a stirring head of the second stirrer extends into an emulsion synthesis container, the emulsion synthesis container is arranged in a digital display water bath kettle, a condenser and a digital display thermometer for monitoring the temperature of emulsion in the container are further arranged on the emulsion synthesis container, and the second pipeline is connected with the emulsion synthesis container through the condenser; according to the utility model, the automation of an acrylic emulsion synthesis experiment can be realized, the frequency of manual operation is reduced, and the adding precision of a pre-emulsion and a redox agent can be controlled, so that the stability of the synthesized acrylic emulsion is good.

A temperature sensor system includes two P-type bipolar junction transistors (BJTs) configured as diodes and current sources operating the diodes at different current densities. The system includes a voltage reference, a multiplexer, a voltage ramp generating circuit, a comparator, an XOR circuit, a counter, and a second logic circuit (math unit). The sensor system measures temperatures by comparing the various voltages with the ramp voltage. The counter is enabled by performing an XOR function on a Start signal and the counter output or by performing an XOR function on outputs of multiple counters.

The present invention relates to the technical field of aircraft engine components, and more specifically to an aircraft engine bracket with variable stiffness, a temperature control system, and a design method. In order to solve the problem that the natural frequency of existing aircraft engine brackets cannot be adjusted and the resonant frequency cannot be effectively avoided when the risk of resonance occurs, a aircraft engine bracket with variable stiffness and a design method thereof are proposed. The copper core enameled wire provided on the variable stiffness mechanism is energized to increase its ambient temperature, so that the temperature on the shape memory alloy support serving as the variable stiffness mechanism can be monitored in real time by a digital thermometer. Based on the displacement feedback signal of the accessory, the power-on time and current intensity of the copper core enameled wire are adjusted in real time by a programmable power supply in conjunction with a resistance box, thereby realizing active vibration reduction of the aircraft engine accessory system. This transformation process realizes the artificial active regulation of the stiffness of the aircraft engine bracket, and when the risk of resonance occurs, its natural frequency can be changed to effectively avoid the resonance zone.

The utility model provides a self-correcting digital thermodetector with a damping function, which comprises a thermodetector main body, a damping shell is arranged on the peripheral side of the thermodetector main body, and the damping shell is sleeved on the peripheral side of the thermodetector main body and is tightly attached to the thermodetector main body; the two cushioning end sleeves are detachably connected to the two end parts of the cushioning shell respectively and are used for protecting the end part structure of the thermodetector main body; a plurality of cushioning assemblies are arranged on the peripheral side of the thermodetector body at intervals and evenly distributed on the periphery of the cushioning shell. According to the technical scheme, the cushioning shell is located on the peripheral side of the thermodetector body, the peripheral side of the thermodetector body is protected, if the thermodetector body falls off, most of peripheral side impact is borne, the cushioning end sleeve is connected with the cushioning shell on one hand, the cushioning end sleeve is arranged on the edge of the end of the thermodetector body in a protruding mode on the other hand, and therefore the risk of impact of the end of the thermodetector body is actively borne, and the service life of the thermodetector body is prolonged. Therefore, comprehensive protection of the thermodetector main body is realized on the whole.

The utility model relates to the technical field of hydraulic devices, and discloses an intelligent hydraulic device which comprises a hydraulic oil tank. The flow dividing output mechanism is arranged at the top of the hydraulic oil tank, the flow dividing output mechanism is used for automatically cooling and dividing hydraulic oil, and the flow dividing output mechanism comprises a cooling assembly and a flow dividing assembly; and the hydraulic oil backflow mechanism is arranged at the top of the hydraulic oil tank. Through the design of the digital thermometer, the temperature of hydraulic oil output and used by the hydraulic pump can be monitored, monitored data are fed back to the controller, if the temperature exceeds a preset value, it is indicated that the oil temperature is too high, the using effect can be affected, and the controller can control the draught fan to work and absorb external cold air immediately; and cold air passes through the inner cavity of the heat exchange pipe to circulate, the cold air exchanges heat with the hydraulic oil, the temperature of the hydraulic oil is reduced, and the use effect of the hydraulic oil is guaranteed.

The dustproof sealing cover of the rotary mechanical structure comprises the cover body, the rotary structure, the dustproof cover and the sealing assembly, the dustproof cover and the water inlet can be controlled to be opened and closed at the same time by rotating the rotary switch, and operation is convenient; the dustproof cover is telescopic, so that the spout is prevented from being polluted by dust; the dustproof cover stretches and is linked with the sealing assembly, and whether the water inlet is opened or not can be fed back clearly through the position of the dustproof cover; the digital display thermometer can feed back the temperature in the kettle and is practical and attractive; the rotary switch is rotated to drive the gear to rotate so as to drive the sounding nail to bounce, and the rotating hand feeling is good; and the handle joint of the cover main body shell can be connected with various handles, so that the universality is high.

The invention discloses a household air conditioner remote intelligent control practical training platform and a control method. Comprising a practical training rack, an R32 / R290 refrigerant air conditioner, a digital thermometer, a voltmeter, an ampere meter, an electric energy meter, a high pressure gauge, a low pressure gauge, a single-chip microcomputer air conditioner controller, a touch control upper computer module, an explosion-proof leakage protection switch, an explosion-proof vacuum pump, a combustible gas detector, a combustible gas probe, an exhaust device and a tool cabinet. The system is provided with an Internet of Things management system, a refrigeration digital twin system and an intelligent examination system. The household air conditioner practical training platform has the advantages of being safe in experiment, efficient in practical training teaching, convenient and rapid in remote monitoring, simple in thermodynamic parameter simulation and optimization, and capable of improving energy consumption optimization efficiency.

1. The name of the design product: digital thermometer. 2. The use of the design product: for measuring and displaying the temperature of food. 3. The design points of the design product: in the overall shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: the display screen is marked A in the top view and perspective view, and the A part is transparent material.

The invention provides a calibration method and application of a beer TPO tester, belongs to the technical field of food package detection, and can solve the problems that a dissolved carbon dioxide detection module of the beer TPO tester is unstable in dissolved carbon dioxide, a standard substance is difficult to prepare, and no calibration method exists at present. According to the technical scheme, the method comprises the following steps that a standard pressure gauge is connected with a pressure generation device and a pressure detection channel of a beer TPO tester, partial pressure generated when dissolved carbon dioxide overflows from beer is simulated through the pressure generation device, different pressures are introduced, indicating values are recorded, and pressure indicating value errors are calculated; the method comprises the following steps: simultaneously placing a temperature probe of a beer TPO tester and a standard digital thermometer at the same depth of distilled water, respectively recording indicating values, and calculating a temperature indicating value error; the method comprises the following steps: connecting a dissolved oxygen standard substance gas cylinder with a dissolved oxygen measuring part sensor of a beer TPO tester, recording a detection indicating value of the beer TPO tester, calculating a theoretical dissolved oxygen concentration, and calculating a dissolved oxygen indicating value error; when the pressure indicating value error is smaller than or equal to 0.002 MPa, the temperature indicating value error is smaller than or equal to 0.5 DEG C, and the dissolved oxygen indicating value error is smaller than or equal to 3 ppb, it is judged that calibration is qualified. The method can be applied to calibration of the beer TPO tester.

The utility model discloses a digital thermometer with intelligent function relates to thermometer technical field, including thermometer main part, thermometer main part is provided with recess, and recess rotation is connected with the pin shaft, and the pin shaft rotation is connected with the apron, and the thermometer main part fixedly connected with the wire, and the wire electric connection has the detection needle, and the recess is provided with the locating groove, and the detection needle is placed in the locating groove. One elastic clamping piece is installed in the both sides of locating groove, and the inboard of elastic clamping piece is provided with silica gel pad, and the position of apron corresponding locating groove is provided with wedge, and the inclined plane of wedge is to the elastic clamping piece. The utility model discloses through the collaborative design of locating groove, elastic clamping piece, wedge and compression spring, realizes the automatic clamping - release linkage protection of detection needle, and the tapered lug of display screen outside setting, through the convex structure formation initiative protection, also can indirectly optimize the holding and use efficiency of equipment.

1. The name of the design product: digital thermometer. 2. The use of the design product: the design product is used for temperature gauge. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention discloses a fermentation method for medicinal-scented ripe Pu-erh tea, belonging to the field of Pu-erh tea fermentation. The method involves using sun-dried green tea leaves from Yunnan large-leaf tea trees as raw material, with a tea-to-water ratio of 10:6 for pile fermentation. The pile height is no less than 1 meter, and the pile shape is square. Initially, a food-grade film is used to cover the pile for oxygen-free fermentation, and the pile temperature is monitored using a digital thermometer, maintaining a temperature below 55℃ for the first month. During fermentation, the pile is turned every 7-9 days, 4-5 times until the tea soup is a deep, clear red color, after which sufficient oxygen is introduced, and the temperature is maintained below 70℃ in the later stages. When the pile temperature reaches above 65℃ and a medicinal aroma appears, the pile is opened for ventilation and drying, turning it every 3 days until the moisture content is ≤12%, completing fermentation. This invention solves the problems of existing medicinal-scented ripe Pu-erh tea requiring approximately 25 years of natural aging, uncontrollable medicinal aroma, and low aroma purity. It has the advantages of a short fermentation cycle, stable and obtainable medicinal aroma, and pure aroma without impurities, making it suitable for large-scale standardized production of medicinal-scented ripe Pu-erh tea.

1. Name of the product in this design: Digital Thermometer. 2. Application of this design: for industrial, laboratory, and food temperature detection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The constant temperature device is characterized by comprising a box body and a variable frequency air conditioner, an exhaust hole is formed in the top of the box body, a hole cover capable of being opened and closed is arranged on the top of the box body, a variable frequency air conditioner hanging machine is installed on the rear side of the box body, and wind of the variable frequency air conditioner hanging machine is blown into the box body; a box door is arranged on the front side of the box body, and a plurality of layers of trays are erected in the box body; a plurality of grids are separated on each layer of tray, the length of each grid is greater than 60cm, the width of each grid is greater than 4cm, and fluororubber cushions are arranged on two sides of the side wall of each grid and at the bottom of each tray; a digital display thermometer and a digital display hygrometer are further arranged in the box body, probes of the thermometer and the hygrometer are arranged in the box body, and display screens of the thermometer and the hygrometer are arranged on the outer wall of the box body. The equipment is convenient to install and use, simple and easy to maintain, low in refitting cost, convenient and safe to operate and high in accuracy.

A digital thermometer includes a first oscillator to generate a first clock signal, wherein a period of this clock signal remains constant in view of temperature changes of the apparatus and a first counter coupled to the first oscillator, this counter to count a fixed number of cycles of the first clock signal associated with a measurement period. The digital thermometer further includes a second oscillator to generate a second clock signal, wherein a period of this clock signal varies with temperature changes and a second counter coupled to the second oscillator, this counter to generate an output representing a count of a number of cycles of the second clock signal that occur during the measurement period. Additionally, the digital thermometer includes calibration circuitry coupled to the second counter, the calibration circuitry to generate, based on the output of the second counter, a value representing the temperature of the apparatus.

The utility model discloses an on-site calibration device for a digital thermometer in a heat treatment furnace workshop, which comprises a base, a ventilation hole is arranged on the base, a heat dissipation fan is arranged in the middle of the base, a cooling assembly is arranged below the heat dissipation fan, and the cooling assembly comprises a water inlet pipe penetrating through one side of the base. By arranging the base, the bracket and the bearing assembly, the camera can be fixed on the mounting seat in the bearing assembly, then the base is fixed at the temperature display instrument, and the driving motor drives the mounting seat to rotate along the bracket through the supporting shaft, so that the camera shoots the temperature display instrument, and the temperature display instrument is displayed through machine vision in the camera. According to the temperature display instrument, display numbers on the temperature display instrument are shot and collected by adopting a principle of identifying LCD / LED nixie tube display based on line gray scale distribution, and can be fed back to a background in time, so that a worker can conveniently calibrate the temperature display instrument, the temperature display instrument does not need to be disassembled for inspection, and the operation is convenient.

The invention relates to the technical field of digital thermometers, and provides a method for processing a printed circuit board of a digital thermometer, which comprises the following steps of: 1, laminating a plurality of core boards into a first-level multi-layer board A1, and forming a through hole I in the surface of the multi-layer board A1; step 2, pressing the plurality of core boards into a second-stage multilayer board A2, and forming through holes II in the surface of the multilayer board A2; step 3, laminating the multi-layer board A1 and the multi-layer board A2 to obtain the digital thermometer composite board; and 4, embedding copper sheets into the inner walls of the through hole I and the through hole II, and performing resin filling. The curing quality of the release layer and the flatness of the multi-layer board A1 are ensured by accurately controlling the pressing process of the multi-layer board and strictly controlling the drying temperature and time. The copper sheets are embedded in an electroplating mode and are filled with resin, so that the conductivity and the connection reliability of the through holes can be improved, and the electrical performance and the mechanical stability of the whole printed circuit board are improved.

The present invention discloses a biodiesel distillation production safety device, comprising a nitrogen supply device, a temperature control system, a crude biodiesel cooler, and a skylight lightning protection device. The temperature control system includes a digital thermometer with a temperature sensor, a programmable logic controller (PLC), a computer, and an electronic control cabinet. Signal lines connect the PLC to the digital thermometer and the computer. A nitrogen blanketing nitrogen inlet, a crude biodiesel inlet, a nitrogen blanketing breathing valve outlet, a nitrogen blanketing nitrogen release valve outlet, and a crude biodiesel return port for shutdown cooling are located near the edge of the crude biodiesel tank top. A temperature measuring port is located in the lower middle portion of one side of the tank. The skylight lightning protection device is located around the crude biodiesel tank. A temperature control system is provided on the cooling water inlet pipe of the crude biodiesel cooler, connected to the signal line of the digital thermometer at the temperature measuring port of the crude biodiesel tank. This device can reduce energy consumption when the biodiesel distillation system is shut down for maintenance and rapid cooling, ensuring lightning protection and explosion-proof operation of the crude methyl ester tank area and preventing damage to the structured packing of the distillation column during the cooling process.

The utility model discloses a kind of patch type wireless digital temperature measuring devices, belong to temperature measurement technical field, including shell, digital thermometer, fixed mechanism and cover, digital thermometer is embedded in shell interior, fixed mechanism is set on shell, first connecting lug is provided on the rear side of shell, cover rear side is provided with connecting block, connecting block is hinged with first connecting lug;Fixed mechanism includes magic tape wool surface and magic tape hook surface, the front side of shell is provided with first sleeve ring, magic tape wool surface one end is set on first sleeve ring, the rear side of shell is provided with second sleeve ring, magic tape hook surface one end is set on second sleeve ring.The utility model uses above-mentioned a kind of patch type wireless digital temperature measuring device, guarantees installation firm and convenient, improves monitoring efficiency.

The utility model discloses a digital thermometer with intelligent function relates to digital thermometer technical field, including thermometer body, the front end and rear end of thermometer body are equipped with first sensor and second sensor respectively, the first sensor is used for detecting equipment temperature, the second sensor is used for detecting environmental temperature, display component includes installing thermometer body front screen and installing thermometer body back screen on the front, the front screen is used to show real -time temperature of sensor detection, the back screen is used to show the temperature of each component of using industrial equipment, and identification component fixed mounting is on thermometer body. The utility model solves the practicality of lower of existing digital thermometer product, and it does not have corresponding alarm and display recent equipment temperature change function, and further leads to its automation and digitization still have corresponding promotion space problem.

The utility model discloses a novel pipeline digital thermometer, which comprises a digital bin, a temperature sensing lead arranged at the lower end of the digital bin, a probe arranged at the lower end of the temperature sensing lead, and a binding mechanism, the bundling mechanism comprises fixing rings, arc-shaped seats, rotating shafts, limiting handles, fixing rods and rubber barrels, the fixing rings are fixedly connected to the front end and the middle of the outer surface of the digital bin, the arc-shaped seats are fixedly connected between the two fixing rings, the temperature sensing wires are wound around the outer surfaces of the arc-shaped seats, the upper ends of the fixing rings are rotationally connected with the rotating shafts, and the limiting handles are fixedly connected with the fixing rods. The ends, deviating from each other, of the two rotating shafts are fixedly connected with limiting handles, the ends, close to the arc-shaped base, of the limiting handles are fixedly connected with fixing rods, and the middles of the fixing rods are fixedly connected with rubber cylinders. And the use convenience of the probe is greatly improved.

A warming device includes a warming container with a flaring closed end and an open receiving end and a throat there between configured to snugly receive a tube of mascara, wherein a wall of the funnel-shaped container is waterproof and heat insulating. The device also includes a heating element in the flaring closed end powered by a power source and a heat thereof proportional to a digital thermometer. Further, a reservoir of water comprised in the flaring closed end is configured for conversion to steam based on the heating element to heat the mascara in its tube.

The utility model relates to a kind of BOPP film double-stretching production line die preheating system, including support, the bottom four corners of the support are evenly installed with universal wheel, the side wall of the support is fixedly installed with handle, the top center of the support is provided with first through slot, the two sides of the first through slot are provided with mounting groove, further comprising: upper heat preservation box, movably installed in the top of the support, digital thermometer is installed in the upper heat preservation box, the outer wall of the upper heat preservation box is symmetrically installed with multiple handles. The utility model is through the setting of upper heat preservation box, lower heat preservation box, electric heating rod and digital thermometer, when using, the die placed on support frame can be preheated by multiple electric heating rods, so that it can be directly used after installation without waiting for its temperature rise, can effectively shorten overall downtime, improve production efficiency, while preheating, the temperature in the upper heat preservation box and lower heat preservation box can be directly observed by digital thermometer.

A digital display thermometer comprises a measuring tube, a connecting nut is fixedly arranged at the top end of the measuring tube, the lower side of the connecting nut is located on the wall body of the measuring tube to fix threads, a thermal resistor is arranged at the bottom of an inner cavity of the measuring tube, the output end of the thermal resistor is connected with one end of a wire, and the wire penetrates through the top end of the measuring tube and extends to the outside. According to the utility model, the meter head and the temperature measuring part are separated, so that an observer can watch and record data without standing at a measuring position, the influence of a high-temperature environment on a human body, the situation that a measuring point is located at a high position and does not have a long-term observation condition are avoided, and meanwhile, the instrument is prevented from being located in the high-temperature environment for a long time; according to the utility model, through the electronic digital display screen, a decimal point 1 can be accurately obtained, and a temperature value can be more accurately and rapidly obtained.

A low power hybrid reverse (LPHR) bandgap reference (BGR) and digital temperature sensor (DTS) or a digital thermometer, which utilizes subthreshold metal oxide semiconductor (MOS) transistors.

1. The name of the design product: digital thermometer shell (02). 2. The use of the design product: thermometer accessories. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The utility model discloses a kind of high-temperature-resistant rubber endurance testing device, including test box, the inner wall of test box is equipped with the isolating plate of equidistance distribution, the inside of test box is equipped with the test cavity of equidistance distribution by isolating plate, the inner wall of one end of test cavity is fixed with positioning column, the top one end of positioning column is fixed with first pull block, the outer wall of the other end of test cavity is fixed with positioning sleeve by opening. The utility model simulates the working state of high-temperature environment and alternating stress condition, effectively evaluates the key performance indicators such as tensile strength retention rate, breaking elongation and compression permanent deformation rate of rubber ring under extreme temperature, the design of multiple detection cavities can be compatible with different specifications of rubber ring sample, cooperate with the real-time monitoring of digital tensiometer and digital thermometer, make the accurate of test data, provide reliable basis for material performance optimization.

The invention relates to an electric spice grinder with a digital thermometer, which is a device capable of automatically distributing ground spices and comprises a digital thermometer capable of being used for monitoring the temperature of food. The device comprises a grinder shell, a food thermometer, a grinding mechanism, a portable power source and a controller. The grinder housing is a main structure that accommodates the remaining components in a portable and ergonomic manner. The food thermometer may be used independently of the grinder housing to monitor the temperature of the desired food. The grinding mechanism is an electric mechanism capable of distributing needed grinding spices according to the needed grinding degree. The portable power source provides power required to maintain operation of the food thermometer, the grinding mechanism, and the controller. And the controller can control the operation of the food thermometer and the grinding mechanism.

The utility model provides a digital high-precision standard thermometer, which comprises a digital thermometer body, an arc-shaped groove is arranged at the end part of the digital thermometer body, and a heat conduction part is arranged on the inner wall of the arc-shaped groove; a fixing hoop is arranged at the end part of the arc-shaped groove, and the fixing hoop is detachably mounted at the end part of the arc-shaped groove through a fastener; a clamping groove is formed between the fixing hoop and the arc-shaped groove. When the digital thermometer is used, the arc-shaped groove is formed in the end of the digital thermometer body, the heat conduction part is arranged in the arc-shaped groove, the heat conduction part is attached to the outer surface of a pipeline, and meanwhile the digital thermometer body is fixed to the pipeline through cooperation of the fixing hoop and the arc-shaped groove. Therefore, the temperature of the outer surface of the pipeline can be directly monitored, and the digital thermometer body can be conveniently fixed on the outer surface of the pipeline.

1. The name of the design product: digital thermometer (TM-1). 2. The use of the design product: the design product is used for measuring temperature, and can display temperature, humidity, time, date information. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: reference drawing in use.