23results about How to "Prevent frostbite" patented technology

This invention provides a refrigerator, including a cabinet defining a first and second refrigeration compartment arranged in a left-right direction; a refrigeration cavity disposed within the first refrigeration compartment; an air inlet channel disposed between the second refrigeration compartment and the refrigeration cavity; an air outlet assembly disposed within the second refrigeration compartment and spaced from the rear wall of the second refrigeration compartment, the air outlet assembly communicating with the air inlet channel to guide cold air from the refrigeration cavity to the second refrigeration compartment; and a return air channel disposed between the second refrigeration compartment and the refrigeration cavity, with the inlet of the return air channel located between the air outlet assembly and the rear wall of the second refrigeration compartment. The refrigerator of this invention facilitates the flow of cold air towards the bottom of the second refrigeration compartment as much as possible, thereby improving the uniformity of the refrigeration effect within the second refrigeration compartment. Furthermore, when refrigeration is stopped, cold air flow is prevented from reaching food, thus preventing the food from freezing.

The application relates to the field of traditional Chinese medicinal materials, in particular to a traditional Chinese medicinal material fresh-keeping cold storage device and method. The traditional Chinese medicinal material fresh-keeping cold storage device can facilitate the layered placement of traditional Chinese medicinal materials and reduce the working time of people in a low-temperature environment. The traditional Chinese medicinal material fresh-keeping cold storage device and method comprise a refrigerator, a refrigeration module, a maintenance door, an automatic moving-out mechanism and an inner wall cleaning mechanism; the refrigerator top is connected with the refrigeration module; the refrigerator rear side is rotationally connected with the maintenance door; the refrigerator is internally provided with the automatic moving-out mechanism; and the refrigerator is internally provided with the inner wall cleaning mechanism. The first servo motor drives the first lead screw to rotate, so that the object shelf automatically slides, thereby facilitating people to quickly place the traditional Chinese medicinal materials, reducing the working time of people in the refrigerator, avoiding the occurrence of frostbite, and the layered design of the object shelf can avoid the stacking of the traditional Chinese medicinal materials, reducing the possibility of moisture absorption or extrusion damage of the traditional Chinese medicinal materials.

The utility model provides a new energy automobile air conditioner filling valve which comprises a valve body and a valve element located in the valve body, one end of the valve body is further provided with a branch pipe used for outputting refrigerants, the filling valve further comprises a pressure relief assembly, the pressure relief assembly comprises a pressure relief cover, a base, an air inlet pipe, an air outlet pipe and a valve shaft, and the pressure relief cover and the base are fixedly installed on the top of the valve body respectively. A valve plate is fixedly connected to the base, one end of the air inlet pipe penetrates into the base and is located at a through groove of the valve plate, the other end of the air inlet pipe penetrates into a cavity of the valve body, an air outlet pipe and a valve shaft penetrate through the top of the pressure relief cover, and a cavity of the air outlet pipe is communicated with the cavity in the pressure relief cover. The valve shaft is located in the center of the pressure relief cover and movably connected with the pressure relief cover through the bearing, the fixing rod is located on one side of the valve shaft, high-pressure refrigerants are discharged through the air inlet pipe, the through groove, the pressure relief cover and the air outlet pipe, internal pressure is reduced, residual refrigerants are discharged in time, the valve body is far away from the air outlet pipe, and it is avoided that the residual refrigerants are sprayed out and extremely prone to frostbite workers.

The invention relates to the field of electric appliances, and particularly provides a refrigeration equipment control method and refrigeration equipment. The control method comprises the following steps that the temperature rise speed in a fresh-keeping chamber is obtained; judging whether the temperature rising speed reaches a temperature rising threshold value or not; if yes, refrigerating airflow is at least conveyed into the fresh-keeping chamber; if not, refrigerating airflow is conveyed to the periphery of the fresh-keeping chamber; and when the refrigeration airflow is conveyed into the fresh-keeping chamber, air in the fresh-keeping chamber can flow out. According to the temperature rise condition in the fresh-keeping chamber, the refrigeration airflow can be directly conveyed into the fresh-keeping chamber or conveyed to the periphery of the fresh-keeping chamber, so that food materials in the fresh-keeping chamber can be prevented from being frozen, and the refrigeration effect of the fresh-keeping chamber can be guaranteed.

The application relates to the technical field of heat pumps, and provides a drainage device and a heat pump system. The drainage device comprises a pipeline assembly, a switch assembly, a magnetic force assembly and a counterweight. The pipeline assembly comprises a refrigerant communication pipe and a drainage pipe. The switch assembly comprises a first switch arranged on the refrigerant communication pipe and a second switch arranged on the drainage pipe. One of the first switch and the second switch is a power-on closed switch, and the other of the first switch and the second switch is a temperature memory switch. The magnetic force assembly comprises a force applying piece and an opening and closing piece which are magnetically matched with each other. The opening and closing piece is slidably arranged in the drainage pipe to open or cut off the drainage pipe. The gravity and the refrigerant from the refrigerant communication pipe can drive the counterweight to move, and the counterweight drives the force applying piece to move to drive the opening and closing piece to slide. In the weather with low temperature, when power failure or the user mistakenly turns off the power supply, the drainage device can automatically drain the water in the water circuit of the heat pump system.

The utility model discloses a low-temperature sample sorting platform which comprises a sorting box body, an operation table, a sample sorting bin and a liquid nitrogen filling bin are arranged in the sorting box body, a to-be-sorted area and a scanning recognition area close to the to-be-sorted area are arranged on one side of the operation table, and a cryopreservation area is arranged on the side, away from the to-be-sorted area, of the operation table. A plurality of cryopreservation boxes are arranged in the cryopreservation area; a mechanical arm is further arranged above the sorting box body, a clamping jaw is arranged at the execution end of the mechanical arm, and the clamping jaw is used for picking up cryopreservation tube samples located in the to-be-sorted area and moving the cryopreservation tube samples to the scanning recognition area and the cryopreservation area; a heat preservation cover capable of being opened and closed is further arranged above the sorting box body. The low-temperature sample sorting platform not only can provide a low-temperature operating environment, but also can provide mechanical and automatic operation, and meanwhile can provide a low-temperature storage space after sorting operation is completed, so that samples can be sorted and stored according to requirements.

The utility model discloses a cold drink equipment, cold drink equipment includes accommodating device and is located on the accommodating device's storage device, the storage device is detachably located on the accommodating device, the storage device includes storage tank and first detection piece, the storage tank is detachably located on the accommodating device, first detection piece is located on the storage tank or the accommodating device, and first detection piece is used for detecting whether the storage tank is separated with the accommodating device, and the upper portion of accommodating device is equipped with the connecting groove, and the connecting groove can accommodate the partial bottom of storage tank, and the storage tank is detachably placed in the connecting groove, and the storage device still includes first measured piece, and first measured piece is located at the lower part of storage tank, and first detection piece is located on the connecting platform. Adopting the utility model, can identify the separation state of storage device, and eliminate the hidden danger.

The utility model discloses a cryopreservation tube rack for multi-tube cell resuscitation, which relates to the technical field of cell resuscitation and particularly comprises a water bath kettle body, a cryopreservation tube rack and a connecting rod, the cryopreservation tube rack is placed in the water bath kettle body, the connecting rod is inserted into the top of the cryopreservation tube rack, the water bath kettle body further comprises a top cover, and the top cover is arranged on the top of the cryopreservation tube rack. A rotating bead is rotationally installed in the center of the top of the top cover, and the connecting rod penetrates through the top cover and the rotating bead. According to the utility model, through the arrangement of the outer diameters of the main rod and the handle on the connecting rod and the cooperation of the spring and the limiting pin, the connecting rod can penetrate through the rotating bead on the top cover, and then the connecting rod can be rotated back and forth and left and right to drive the test tubes on the cryopreservation tube rack to shake; the shaking amplitude of the connecting rod can be limited, and the situation that cells flow out or water submerges test tube openings to pollute the cells due to the fact that the cryopreservation tube frame is too inclined is avoided.

The utility model discloses an outdoor lighting, charging and electric heating hand warming integrated equipment, relates to outdoor hand warming equipment technical field, an outdoor lighting, charging and electric heating hand warming integrated equipment, including two housings, two the housing inner wall all is provided with the plastic piece, two the plastic piece inboard wall all is provided with the mounting panel, a plastic piece one end is provided with two for the light of lighting, and one light is green light, and the other light is white light, and the user is convenient according to the environment of outdoor to adjust the color of lighting, and the plastic piece other end is provided with the charging head and the discharge head, the utility model discloses an outdoor lighting, charging and electric heating hand warming integrated equipment, through setting up green light and white light, not only can provide lighting when walking in the dark night, and can also warn others, and under the action of the heating sheet, can realize the hand of user heating, prevents frostbite.

This invention discloses a liquid nitrogen storage tank with liquid level and temperature monitoring, belonging to the technical field of liquid nitrogen storage equipment. It includes a tank body with an inlet pipe connected to the upper outer wall and a drain pipe connected to the lower outer wall, with a drain valve connected to the drain pipe. A dual-point level gauge and a temperature monitor are also connected to the tank body. A through hole is opened in the upper part of the tank body, and a basket assembly is movably embedded in the through hole. A semen storage tube is installed inside the basket assembly, and a sealing cap is threaded to the upper part of the semen storage tube. A seal is formed between the upper part of the basket assembly and the through hole. A locking component is provided in the upper part of the tank body, and the locking component is movably fitted with the upper part of the basket assembly. This invention not only achieves sealing, locking, and opening of the basket assembly during insertion into the tank, but also unlocks, closes, and seals the basket assembly when it is removed from the tank, avoiding the problem of low-temperature nitrogen overflowing from the tank, causing frostbite to workers' hands, and preventing waste.

This utility model discloses a movable liquid nitrogen tank placement rack structure, mainly relating to the field of liquid nitrogen tanks. It includes a frame with a placement slot for holding the liquid nitrogen tank. Multiple support rods are slidably connected vertically to the side of the frame, and positioning posts are provided between the support rods and the frame. A support plate is threadedly connected to the bottom of the frame, and multiple limiting rods are provided between the support plate and the bottom of the frame. Multiple rollers are provided at the bottom of the support plate. The advantages of this utility model are: it solves the technical problems of existing liquid nitrogen tanks being inconvenient to move and posing a risk of frostbite during movement, enabling convenient movement of the liquid nitrogen tank, ensuring the stability of the liquid nitrogen tank during movement, and preventing liquid nitrogen leakage that could lead to frostbite.

The utility model relates to the field of pressure bandage, especially cold compress analgesic type pressure bandage, including bandage main part, plastic buckle, frozen compress bag, zipper head, polytetrafluoroethylene antiseize layer and thermal barrier, the upper end of bandage main part is provided with the storage groove, the frozen compress bag is seted up in the storage groove, the utility model discloses through the switch of storage groove's zip fastener structure, can be convenient for user to store the frozen compress bag in it and carry out quick replacement, and polytetrafluoroethylene antiseize layer can effectively reduce the friction coefficient cooperation gel material's thermal barrier between its contact surface and patient's skin, can reduce the pain of patient when bandaging and disassembling bandage, and avoid patient frostbite, and the disposable replaceable polytetrafluoroethylene antiseize layer can avoid the secondary infection of patient's wound, and make the bandage reusable, solved the existing pressure bandage in the use process cold feeling dressing difficult to replace, and the comfort is not good, and the repeated use is easy to infect the problem.

This invention provides an antifreeze faucet and an antifreeze component for RVs. The antifreeze faucet, used in RVs, includes a faucet outlet, a water inlet, and an antifreeze valve. The faucet outlet is connected to the antifreeze valve, which is disposed in the water inlet. The antifreeze valve includes a valve core gap extending vertically through the valve core gap, a valve hole perpendicular to the valve core gap, and a valve core movably disposed within the valve hole. The antifreeze valve is configured to move the valve core as the temperature changes, thereby discharging water from the faucet outlet through the valve core gap. This invention, by setting a movable valve core to change the connection state between the faucet outlet and the valve core gap, automatically discharges residual water from the faucet at low temperatures, preventing damage to the equipment from freezing.

The utility model provides an axillary ice compress bag, which belongs to the field of medical nursing materials and comprises a first accommodating bag and an ice bag, an accommodating cavity is arranged in the middle of the first accommodating bag, the ice bag is arranged in the accommodating cavity, a second accommodating bag is arranged on the inner side wall of the first accommodating bag, a temperature sensor is arranged in the second accommodating bag, and the temperature sensor is connected with the first accommodating bag. The left edge of the upper end of the first containing bag is connected with a first fixing belt and a third fixing belt, the right edge of the upper end of the first containing bag is connected with a second fixing belt and a fourth fixing belt, the first fixing belt is connected with the second fixing belt, and the third fixing belt is connected with the fourth fixing belt. A controller and an alarm are arranged on the first fixing belt, and the controller is connected with the temperature sensor and the alarm. The first fixing band, the second fixing band, the third fixing band and the fourth fixing band are arranged to be hung on the shoulder, so that fixation of the ice compress bag is enhanced, and slipping is prevented.

The utility model belongs to cold chain preservation technology field especially is a kind of fresh-keeping device for cold chain distribution, including heat preservation box, and the left and right positions between the upper and lower and rear side inner wall of heat preservation box are fixedly installed with two baffle, and left and right two sides baffle will heat preservation box be sequentially separated into first installation chamber, placing chamber and second installation chamber from left to right, and blowing mechanism is arranged in first installation chamber and second installation chamber, and blowing mechanism includes controller, battery, fan, air vent and activated carbon adsorption plate, and placing mechanism is fixedly installed in the upper and lower positions between baffle, and upper and lower placing mechanism will placing chamber be sequentially separated into three placing cavities from top to bottom, the utility model discloses blowing mechanism makes cold air distribution even, and preservation effect is better, avoid article frostbite, increase peculiar smell adsorption function simultaneously, it is convenient to store and take the article on placing mechanism, improve work efficiency, reduce cold air loss, it is favorable to use.

The present application relates to the technical field of sapling cultivation, in particular to a seedling anti-freezing device for forest cultivation, which comprises a base and a water inlet, the base is hollow and has a water storage function, the outer wall of the base is made of rubber plastic material and has a heat preservation effect, at least two heat exchange mechanisms are installed on the upper surface of the base at equal intervals in the circumferential direction, the heat exchange mechanisms extract water from the air to supplement the saplings, a supporting mechanism is installed between the heat exchange mechanisms, the bottom of the supporting mechanism is fixed to the base, the supporting mechanism supports the plastic cloth and prevents the saplings from freezing. The device effectively breaks the low-temperature-induced dormancy mechanism of the sapling root system, prevents the sapling rhizome from freezing injury and death, provides a suitable temperature environment for root development, effectively avoids soil water evaporation, continuously ensures soil moisture, promotes the growth and development of the sapling root system, and thus shortens the tree maturation period. The device can increase the light concentration to increase the temperature and avoid low temperature from inhibiting the growth of the saplings, or can reduce the light concentration to reduce the temperature and prevent high temperature from burning the saplings.

This invention discloses a nanocomposite phase change antifreeze water-reducing agent and its preparation method, comprising water and the following components in parts by weight: 5-8 parts polycarboxylate superplasticizer mother liquor, 6-10 parts ethylene glycol, 8-10 parts calcium formate, 2-4 parts sodium nitrite, 5-8 parts methanol, 2-5 parts sodium metasilicate, 1-2 parts sodium thiocyanate, 0.3-0.6 parts air-entraining agent, 6-8 parts modified nano titanium dioxide, and 8-10 parts ternary phase change material. This nanocomposite phase change antifreeze water-reducing agent is a composite functional admixture that introduces nanomaterials and phase change materials into traditional antifreeze water-reducing agents. It not only prevents concrete from freezing at low temperatures but also regulates the internal temperature changes of concrete through "phase change" characteristics, thereby improving the durability of concrete under freeze-thaw cycles.

The utility model discloses a pipe clamp, pipe clamp is used for clamping tubular member, and pipe clamp includes: two clamping arms, every clamping arm all includes holding section and clamping section, the clamping section is linked with the holding section bending, the holding section is away from the one end of clamping section structure as fixed end, the fixed end of two clamping arms is linked and the clamping section is spaced apart and oppositely distributed, and the holding section of two clamping arms is all set up as the elastic deformation, and make the clamping section of two clamping arms elastically close or away from each other, wherein, every clamping section forms the pipe wall clamping groove, and two pipe wall clamping grooves are open to each other and are set up, and two pipe wall clamping grooves are used for clamping the outer circumferential wall of tubular member together. The utility model discloses a pipe clamp, and the pipe clamp can clamp tubular member through the pipe wall clamping groove, can avoid the direct contact of the hand of operator with the cryopreservation tube, prevents the frostbite of hand, and can guarantee the stability of tubular member clamping.

The embodiment of the utility model provides an ice compress beauty massage instrument. The ice compress beauty massage instrument comprises a first massager and a second massager which are arranged in pairs, the first massager comprises a first ice compress massage ball and a first handle part, and the first ice compress massage ball is rotatably arranged at the first end of the first handle part; the second massager comprises a second ice compress massage ball and a second handle part, and the second ice compress massage ball is rotatably arranged at the first end of the second handle part. By means of the first massagers and the second massagers which are arranged in pairs, combination of large-range nursing and fine nursing is achieved, and functions are comprehensive. The U-shaped grab handle is designed and coated with the heat insulation material layer, so that hands of a user are prevented from being frostbitten in a frozen state, and the use is safer and more comfortable. The utility model has the advantages of simple structure, convenient to use, and improved user experience.

This invention provides a post-thyroid ablation ice pack fixation and care belt, comprising an elastic fixation belt with matching connectors at both ends along its length. The two ends of the fixation belt are designed to connect via the connectors to form an adjustable neck-accommodating area. The side of the fixation belt facing the neck-accommodating area is the body side. A placement bag is located on the body side of the fixation belt. The placement bag has a waterproof inner layer and a skin-friendly outer layer arranged sequentially from the inside to the outside. Windows facing the inside of the placement bag are provided on the side of the placement bag away from the neck-accommodating area and on the fixation belt. This post-thyroid ablation ice pack fixation and care belt allows the ice pack to be placed inside the placement bag and worn around the patient's neck via the fixation belt, accurately positioning the wound, preventing ice pack displacement, and eliminating the need for patients to hold the ice pack for extended periods, thus improving patient comfort.

The utility model relates to a solar heat supply system applicable to extremely cold areas, which belongs to the technical field of solar heat supply and comprises a water tank, a solar heat collector, a control system and a heating radiator. A tap water inlet, a cold water outlet I, a cold water outlet II, a water return port II and a hot water outlet III are formed in the side wall of the heat preservation water tank; a hot water inlet I and a hot water outlet are formed in the side wall of the energy storage water tank; the cold water outlet I and the cold water outlet II are connected with the water inlet end of the solar heat collector; the hot water outlet of the solar heat collector is connected with the hot water inlet I and the hot water inlet II through pipelines; the hot water outlet and the hot water outlet III are connected with the water inlet end of the heating radiator, and the water outlet end of the heating radiator is connected with the water return port II. According to the device, the water supply mode of the heating radiator can be changed according to the illumination condition of the sun, and heat can be continuously provided for people; the electric heater can heat water in the energy storage water tank when light is insufficient or at night, the temperature of the water in the heating radiator can be guaranteed, and heat is provided for people.

The invention discloses a radial artery compressor, and relates to the technical field of medical instruments. The cold compress bandage comprises a bandage body, the outer wall of the bandage body is sleeved with a supporting block, the outer arc face of the supporting block is fixedly connected with a pressure meter, the pressing end of the pressure meter is fixedly connected with an air bag, the inner arc and the outer arc of the supporting block are provided with cold compress modules used for cold and heat adjustment, and the inner wall of one end of the bandage body is provided with a first hook-and-loop fastener. A second hook-and-loop fastener is arranged on the outer wall of the other end of the bandage body, the end, located on the second hook-and-loop fastener, of the bandage body is sleeved with a pressing plate, the outer wall of the pressing plate is fixedly connected with a circular ring, and the inner wall of the circular ring is in threaded connection with a threaded rod. The purposes of promoting vasoconstriction through cold compress, stopping bleeding and relieving pain are achieved, and meanwhile skin injury caused by too low cold compress temperature is avoided.

The application discloses a temperature display controller, comprising a power supply circuit, a temperature acquisition circuit, a main control circuit and a temperature display alarm circuit, the temperature acquisition circuit is used for collecting the cabinet temperature and the article temperature in real time, the main control circuit outputs the corresponding alarm signal according to whether the cabinet temperature is greater than the preset cabinet high temperature alarm value or less than the preset cabinet low temperature alarm value, and also outputs the corresponding alarm signal according to whether the article temperature is greater than the preset article high temperature alarm value or less than the preset article low temperature alarm value, and the temperature display alarm circuit is used for alarming, prompting, displaying the current temperature value and the alarm type. Compared with the traditional single detection mode, the application can avoid the situation that the article deteriorates due to the abnormal article temperature while the cabinet temperature is normal, and the double monitoring mode can also timely alarm and prompt the user when the refrigeration equipment fails, so that the article is prevented from being frozen or deteriorated due to the refrigeration equipment failure.