39results about How to "Guaranteed freezing effect" patented technology

The invention relates to an ovarian large cortex piece vitrified cryopreservation protection liquid and a cryopreservation method thereof. Although the vitrified cryopreservation method is widely applied to experimental animals, a universal cryopreservation method and a standard cryopreservation liquid preparation scheme are absent at present, so that the sized transplantation subjected to vitrified cryopreservation is at a small-size stage, an ovarian small cortex piece has limited follicles, and the service life of the transplanted follicles is influenced. The invention provides vitrified cryopreservation protection liquid suitable for an ovarian large cortex piece, and gonadotropin is added on the basis of the common vitrified liquid. According to the vitrified cryopreservation protection liquid suitable for the ovarian large cortex piece, especially the ovaries of experimental animals, improved variety livestock and wild endangered species in sudden death are conveniently cryopreserved at the most proper osmotic equilibrium time of performing vitrified cryopreservation on the ovarian large cortex pieces of different sizes; and moreover, according to the method, the survival rate of the follicles can be improved, the blood reperfusion time of the transplant is shortened, and the survival rate of the cryopreserved ovarian transplantation in vivo is improved.

The invention discloses a refrigerator capable of preventing water drop overflowing of a refrigeration chamber. A water accumulation tank plate is arranged on the front side of a refrigerator body; a water accumulation tank is formed in the top of the water accumulation tank plate; a first front drain hole is formed in the lowest end of the tank bottom of the water accumulation tank plate; a first back drain hole is formed in the back part of the bottom surface of the refrigeration chamber; a water inlet end of the first back drain hole is communicated with the first front drain hole through a first water pipe; a water outlet end of the first back drain hole is connected with a first drain pipe; a second front drain hole is formed in the middle part of the tank bottom of the water accumulation tank plate, and is communicated with the second back drain hole through a second water pipe; the second back drain hole is communicated with the upper end of a second drain pipe; and a water receiving tank plate is arranged rightly below the water outlet ends of the first drain pipe and the second drain pipe. The refrigerator can receive water drops carried out by a vegetable and fruit tank through the water accumulation tank plate; and meanwhile, water in the water accumulation tank is drained through the first drain pipe and the second drain pipe, and the two drain pipes can timely drain to prevent excessive deposition in the water accumulation tank plate.

The invention discloses an energy-saving freezing pipe for freezing underwater, and belongs to the technical field of underwater vertical freezing equipment. The energy-saving freezing pipe for freezing underwater comprises a freezing pipe, a liquid feed pipe and a liquid return pipe, wherein the top of the freezing pipe is fixed with a sealed cover plate, the local freezing level part of the freezing pipe is provided with a partition plate, thermal insulation material is filled between the sealed cover plate and partition plate, the liquid feed pipe stretches to the bottom of the freezing pipe after passing though the sealed cover plate and partition plate, the liquid return pipe passes through the sealed cover plate and partition plate to form a pipe loop with the liquid feed pipe, an outer sleeve is arranged outside the freezing pipe, the upper end of the outer sleeve is high than the water level and the lower end is pressed into soil at the river bottom, and a heat preserving plate is arranged between the outer sleeve and freezing pipe. When the energy-saving freezing pipe for freezing underwater is in construction, the outer sleeve is firstly arranged in the river bottom about 1 meter, drilling construction is performed under the guiding of the outer sleeve, after the hole is drilled, the energy-saving freezing pipe which has been processed is put into the drill hole and then can be connected with a freezing system to start to freeze. The energy-saving freezing pipe for freezing underwater has the advantages of simplicity and convenience to process and manufacture, low cost, convenience to use, capability of preventing the cold loss of non-frozen areas.

The embodiment of the invention relates to the technical field of assisted reproduction, and particularly discloses an embryo and ovum freezing device in assisted reproduction technology, which comprises a shell, the shell is provided with a placing cavity, and a storage box is fixedly arranged in the placing cavity; a protective cover plate is rotatably arranged at a top opening of the placing cavity, and the free end of the protective cover plate is fixedly connected with the shell through a safety lock assembly; a rotating cylinder and a rotating shaft are coaxially and rotationally arranged in the storage box, and the top end of the rotating cylinder is coaxially and fixedly connected with the bottom end of the rotating shaft; an operation assembly linked with the rotating cylinder isarranged at the bottom of the shell; a plurality of partition plates are evenly distributed and fixedly arranged on the outer ring of the rotating shaft, and a storage cavity is formed between every two adjacent partition plates. According to the device, storage tanks in one target storage cavity can be convenient for taking and placing, and the freezing effect on embryos and ova in one non-targetstorage cavity is guaranteed; and a safety lock assembly is arranged, so that the safety is enhanced.

The invention discloses a double joint sealing and labeling mechanism for a freezing tube with good sealing effect for medical and laboratory science and research. The double joint sealing and labeling mechanism comprises a freezing tube body and a sealing cover, wherein the sealing cover is arranged on the freezing tube body, and is connected with the upper end of the freezing tube body through threads, an inner cover is arranged in the upper end of the sealing cover, the inner side of the upper part of the freezing tube body is provided with an oblique surface, the oblique surface is matched with the inner cover, a convex labeling ring is arranged at the outer side of the upper end of the freezing tube body at the lower end of the sealing cover, the connecting part of the bottom part of the labeling ring and the freezing tube body is provided with a concave step and a side convex step, and labels are attached to the outer ring surface of the side surface of the labeling ring and the bottom part of the freezing tube body.

The invention discloses a solar ejection and compression integrated refrigeration system for a dual temperature refrigerated truck. The solar ejection and compression integrated refrigeration system comprises a main refrigeration system, an auxiliary refrigeration system and a heating system which are arranged in the dual temperature refrigerated truck; the main refrigeration system comprises a cold storage refrigeration system and a freezing refrigeration system; a cold storage evaporator of the cold storage refrigeration system and a freezing evaporator of the freezing refrigeration system are connected between a shunt and a current collector in parallel; the heating system comprises a cold storage heating system and a freezing heating system; a cold storage heating device corresponds to the cold storage evaporator; a freezing heating device corresponds to the freezing evaporator; the freezing heating device and the cold storage heating device are connected between a water tank and a circulating pump in parallel; and the auxiliary refrigeration system comprises a solar ejecting system and an auxiliary compression system. According to the solar ejection and compression integrated refrigeration system disclosed by the invention, temperature sensors are separately arranged in a cold storage chamber and a freezing chamber and are respectively used for detecting the temperature in the cold storage chamber and the temperature in the freezing chamber; and the control over the temperature of the cold storage chamber and the temperature of the freezing chamber is facilitated, and cold storage and freezing effects are guaranteed.

The invention discloses a longitudinal temperature measurement freezing apparatus and method. The freezing apparatus comprises a by-pass pipe, a first gate valve, a water return pipe, a water inlet pipe and a freezing apparatus head. The first gate valve is mounted on the by-pass pipe. The by-pass pipe, the water return pipe and the water inlet pipe are connected with the freezing apparatus head and communicate with the freezing apparatus head in a fluid mode. The water inlet pipe is a three-way pipe composed of a straight pipe and a side pipe. A second gate valve is mounted on the straight pipe. When longitudinal temperature measurement is conducted through the freezing apparatus, only a water inlet valve and a water return valve need to be closed and a gate valve at the top of the water inlet pipe needs to be opened, operation is convenient and rapid, and waste of brine and rubber pipes is avoided.

The invention provides a door body and a refrigerator. The door body comprises a main door body and a handle assembly, wherein a ventilating pipe and a valve base are embedded into a foaming layer of the main door body, a notch hole is formed in the valve base, one end opening of the ventilating pipe is communicated with a refrigerating chamber of the refrigerator, the other end of the ventilating pipe is matched with the notch hole in the valve base to be communicated with the valve base, the handle assembly is installed on the side part of the main door body and comprises a door handle and an elastic pressing assembly installed on the door handle, the elastic pressing assembly is provided with a valve, and the valve can carry out vertical reciprocating motion in the valve base in the direction perpendicular to the axis of the ventilating pipe under the effect of the elastic pressing assembly. According to the technical scheme, air pressure inside and outside a box of the refrigerator can be effectively balanced, a user can open the door body easily, the problems that because an air hole is formed in a door seal, the portions, around the air hole, of the door seal and an opening frame generate dew formation and icing is avoided, energy consumption is reduced, and use experience of the user is effectively improved.

The invention belongs to the field of sneaker processing, and particularly relates to a freezing device sneaker processing. The device comprises a table top, supporting legs are fixed to the four corners of the bottom of the table top, a groove is formed in the top of the table top, a conveying belt is installed in an inner cavity of the groove, and a freezing bin is fixed to the middle of the top of the table top and stretches across the conveying belt; and through holes are formed in the two end faces of the freezing bin. After shoes are detected through a first infrared sensor, a second electric push rod drives a push plate to center the shoes; then the shoes are conveyed to a freezing bin through a conveying belt to be frozen; after the second infrared sensor detects the shoes, the second electric push rod drives a cold air spray head to descend to enter the shoes; and meanwhile, a motor drives the cold air spray head to rotate, so that cold air is uniformly guided into the inner cavity of the sneaker, the outer wall of the sneaker is frozen through the freezing bin, the interior of the sneaker is frozen through the cold air nozzle, the freezing effect is effectively guaranteed, and the shaping effect is better.

The invention discloses a cooling instant freezer capable of ensuring safe preservation of frozen food. The cooling instant freezer comprises an instant freezer channel type shell (1) and an instant freezer control server (2); an inlet (3) and an outlet (4) are formed in the two ends of the instant freezer channel type shell (1) respectively; a metal net-shaped conveying belt (16) is arranged in the instant freezer channel type shell (1) and arranged in the length extending direction of the instant freezer channel type shell (1); and the two ends of the metal net-shaped conveying belt (16) are matched with the inlet (3) and the outlet (4) of the instant freezer channel type shell (1) respectively. According to the technical scheme, the freezing time of the to-be-frozen object is calculated and determined by weighing the to-be-frozen object and detecting the freezing environment, the freezing time of the to-be-frozen object is controlled, the freezing quality of frozen food is guaranteed, and the situation that food goes bad due to insufficient freezing, and food safety is affected is prevented.

The invention provides a magnetic lock for a refrigerator. The magnetic lock comprises a first door body and a second door body which are arranged in a split mode. A first magnet is arranged on the surface, opposite to the second door body, of the first door body. A second magnet is arranged on the surface, opposite to the first door body, of the second door body. The first magnet and the second magnet are opposite in magnetism. The second door body is provided with a containing cavity. An elastic assembly is arranged inside the container cavity and provided with a handle. A protrusion is arranged on the side face of the handle and protrudes out of the containing cavity. By means of the magnetic lock for the refrigerator, a door of a home appliance can be opened more easily, and the situation that the door breaks down due to frequent use is avoided.

The invention discloses automatic fresh and alive partial freezing equipment and a using method thereof.The equipment comprises a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are perpendicularly distributed, the second conveying belt is arranged below the output end of the first conveying belt, and a material box is installed on the side, away from the second conveying belt, of the top of the first conveying belt; a partial freezing box is arranged at the output end of the second conveying belt, a guiding mechanism is installed in the middle of the top of the first conveying belt, a material distributing mechanism is arranged between the output end of the first conveying belt and the top of the second conveying belt, a storage barrel is arranged on the second conveying belt, the storage barrel is fixed, and fresh fishes fall down along the first material box one by one. The fresh fishes are separated from each other and are guided by the guide mechanism to slide down along a channel formed between any two baffles in sequence, meanwhile, the rotating plates are opened and closed in sequence, feeding and filling of the storage barrels are completed according to an S shape from left to right, the fresh fishes are separated in the process, and the freezing effect of the fresh fishes is guaranteed.