CN111380285B

CN111380285B - Prevent refrigerator-freezer of outage

Info

Publication number: CN111380285B
Application number: CN202010274685.4A
Authority: CN
Inventors: 赵萍
Original assignee: Zhejiang Xuecun Refrigeration Equipment Co ltd
Current assignee: Zhejiang Xuecun Refrigeration Equipment Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-12-07
Anticipated expiration: 2040-04-09
Also published as: CN111380285A

Abstract

The invention discloses an anti-power-off freezer which comprises a freezer body and a freezer door, wherein the freezer door is rotatably arranged on the freezer body, an inner cavity is arranged in the freezer body, starting mechanisms are symmetrically arranged inside two sides of the inner cavity, each starting mechanism comprises a cold semiconductor wafer and a hot semiconductor wafer, the cold semiconductor wafers and the hot semiconductor wafers are connected in series, a main line is arranged at the bottom in the freezer body, a pair of electromagnets are connected in series on the main line, the hot semiconductor wafers and the cold semiconductor wafers are connected in series with steel pipes, electric wires are arranged in the steel pipes, and the steel pipes and the electromagnets are oppositely arranged. According to the invention, cold semiconductor wafers and hot semiconductor wafers are connected in series by utilizing the temperature difference between the inside and the outside of the refrigerator according to the Seebeck effect, current can be generated on a circuit connected in series, and the memory metal is heated and stretched by matching with the heat effect of the current, so that the cover is tightly attached to the cabinet body, the leakage of cold air in the refrigerator is avoided, and enough time is reserved for powering on in time.

Description

Prevent refrigerator-freezer of outage

Technical Field

The invention relates to the technical field of refrigerators, in particular to an anti-power-off refrigerator.

Background

The refrigerator is a refrigerator or a refrigerated cabinet, all evaporating pipes of the high-quality refrigerator adopt high-quality copper coil pipes and are processed into a wide-surface special shape, the surface of a stainless steel plate is clean, the thickness of the whole plate is uniform, the proper thickness is adopted, the service life is ensured to be long, the appearance of the refrigerator is flat and firm, and the longer freshness of food can be kept by freezing.

The frozen food of refrigerator-freezer needs to keep freezing state constantly, and the refrigerator-freezer keeps freezing needs to be in the on-state constantly, if when the outage problem appears under the condition of not knowing, the refrigerator-freezer generally relies on the atmospheric pressure inconsistent that the interior outer temperature discordance leads to, realize the sealed effect of cabinet door to the cabinet body, the refrigerator-freezer if not in time circular telegram, inside air conditioning is lost, the cabinet door has lost sealed effect, the rising that inside temperature can be quick has great destruction effect to the food of inside storage.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: after the power failure of the freezer, the cold air in the freezer is dissipated, the cabinet door loses the sealing effect, the temperature in the freezer can be rapidly increased, and the freezer capable of preventing the power failure is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

an anti-power-off refrigerator comprises a refrigerator body and a cabinet door, wherein the cabinet door is rotatably arranged on the refrigerator body, an inner cavity is arranged in the refrigerator body, starting mechanisms are symmetrically arranged in the two sides of the inner cavity, each starting mechanism comprises a cold semiconductor wafer and a hot semiconductor wafer, the cold semiconductor wafer and the hot semiconductor wafer are connected in series, a main wire is arranged at the bottom in the cabinet body, a pair of electromagnets are connected in series on the main wire, the hot semiconductor wafer and the cold semiconductor wafer are connected in series with a steel pipe, an electric wire is arranged in the steel pipe, the steel pipe is arranged opposite to the electromagnet, the two sides of the cabinet door are also symmetrically and fixedly provided with inserting shafts, the cabinet body is provided with clamping grooves corresponding to the inserting shafts, the hot semiconductor wafer and the cold semiconductor wafer are also connected in series with heating resistors, grooves are symmetrically formed in two sides of the cabinet body, and clamping mechanisms corresponding to the inserting shafts are arranged in the grooves.

Preferably, the clamping mechanism includes spacing axle, memory metal ring and wedge, the inner wall fixed connection of spacing axle and recess, memory metal ring cup joints at spacing epaxial and one end and wedge fixed connection, the inner wall fixed connection of the other end and recess, spacing axle passes the wedge, the lower extreme of inserting the axle is provided with the wedge, wedge and wedge joint.

Preferably, the heating resistor is electrically connected with the hot semiconductor wafer through a third wire, one end of the hot semiconductor wafer is electrically connected with a fourth wire, the heating resistor is electrically connected with the cold semiconductor wafer through a first wire, one end of the cold semiconductor wafer is electrically connected with a second wire, the steel pipe is connected between the fourth wire and the second wire, end points are arranged at two ends of the steel pipe and are abutted against one ends of the fourth wire and the second wire respectively, a spring is fixedly connected to one side of the steel pipe, and one end of the spring, far away from the steel pipe, is fixedly installed in the cabinet body.

Preferably, a sealing ring is arranged on the cabinet door.

Compared with the prior art, the invention has the beneficial effects that:

1. utilize the inside and outside temperature difference of refrigerator-freezer, according to the seebeck effect, with cold semiconductor piece and hot semiconductor piece series connection together, will produce electric current on the circuit of series connection, the heat effect of cooperation electric current for the memory metal is heated and is stretched, thereby with the inseparable and the laminating of cabinet body of lid, avoids inside air conditioning to reveal, reserves sufficient time in order to in time circular telegram.

2. After the refrigerator-freezer outage for the lid still inseparable with the cabinet body laminating, guarantee the inside good seal of refrigerator-freezer, reduce losing of inside air conditioning, thereby still can the longer time guarantee refrigeration effect after the outage, make the staff after the long time discovery outage, inside material can keep the frozen state.

Drawings

FIG. 1 is a schematic view of an anti-power-off ice chest according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: the cabinet comprises a cabinet body 1, a cabinet door 2, an inner cavity 3, a main wire 4, a first wire 5, a cold semiconductor fin 6, a second wire 7, a third wire 8, an insertion shaft 9, a wedge-shaped groove 10, a wedge-shaped block 11, a heating resistor 12, a limiting shaft 13, a groove 14, a memory metal ring 15, a clamping groove 16, a fourth wire 17, a hot semiconductor fin 18, a spring 19, an end point 20, an electromagnet 21 and a steel pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an anti-power-off freezer comprises a freezer body 1 and a freezer door 2, the freezer door 2 is rotatably mounted on the freezer body 1, an inner cavity 3 is arranged in the freezer body 1, starting mechanisms are symmetrically arranged in the two sides of the inner cavity 3, each starting mechanism comprises a cold semiconductor wafer 6 and a hot semiconductor wafer 18, the cold semiconductor wafers 6 and the hot semiconductor wafers 18 are connected in series, a main line 4 is arranged at the bottom in the freezer body 1, a pair of electromagnets 21 are connected in series on the main line 4, steel pipes 22 are connected in series on the hot semiconductor wafers 18 and the cold semiconductor wafers 6, electric wires are arranged in the steel pipes 22, the steel pipes 22 are arranged opposite to the electromagnets 21, insertion shafts 9 are further symmetrically and fixedly mounted on the two sides of the freezer door 2, a clamping groove 16 and a hot semiconductor wafer 18 corresponding to the insertion shafts 9 are arranged on the freezer body 1, the cold semiconductor wafer 6 is also connected in series with a heating resistor 12, grooves 14 are symmetrically formed in two sides of the cabinet body 1, and clamping mechanisms corresponding to the inserting shafts 9 are arranged in the grooves 14;

wherein, the clamping mechanism includes spacing axle 13, memory becket 15 and wedge 11, the inner wall fixed connection of spacing axle 13 and recess 14, memory becket 15 cup joints on spacing axle 13 and one end and wedge 11 fixed connection, the other end and the inner wall fixed connection of recess 14, spacing axle 13 passes wedge 11, the lower extreme of inserting axle 9 is provided with wedge 10, wedge 11 and wedge 10 joint, can press close to the heat effect of electric current and generate heat when having electric current to pass through on heating resistor 12, memory becket 15 will be heated and extend, can drive wedge 11 when memory becket 15 extends and remove, when wedge 11 inserts gradually in wedge 10, can pull inserting axle 9 and remove downwards, thereby insert axle 9 pulling cabinet door 2 and seal to cabinet body 1.

Wherein, the heating resistance 12 is electrically connected with the hot semiconductor fin 18 through the third wire 8, one end of the hot semiconductor fin 18 is electrically connected with the fourth wire 17, the heating resistance 12 is electrically connected with the cold semiconductor fin 6 through the first wire 5, one end of the cold semiconductor fin 6 is electrically connected with the second wire 7, the steel pipe 22 is connected between the fourth wire 17 and the second wire 7, both ends of the steel pipe 22 are provided with end points 20, both end points 20 are respectively abutted against one ends of the fourth wire 17 and the second wire 7, one side of the steel pipe 22 is fixedly connected with the spring 19, one end of the spring 19 far away from the steel pipe 22 is fixedly arranged in the cabinet body 1, when the main wire 4 is electrified, the electromagnet 21 generates magnetic force action, the electromagnet 21 attracts the steel pipe 22, so that the end points 20 at both ends of the steel pipe 22 can be separated from the fourth wire 17 and the second wire 7, and the starting mechanism is in an open circuit state, when the main line 4 is powered off and the electromagnet 21 loses the attraction effect on the steel pipe 22, the steel pipe 22 is reset under the elastic force of the spring 19, the steel pipe 22 is connected into the circuit again, the end point 20 is in contact with the fourth lead 17 and the second lead 7, and the starting mechanism is operated.

In the invention, when the power failure occurs, no current passes through the main wire 4 in the internal circuit of the ice chest, no current passes through the electromagnet 21, the electromagnet 21 cannot generate magnetism, the electromagnet 21 loses the attraction effect on the steel pipe 22, the steel pipe 22 retracts under the elastic force of the spring 19, after the steel pipe 22 returns to the original position, the end points 20 at the two ends of the steel pipe 22 are respectively contacted with the fourth lead 17 and the second lead 7 for electrifying, and a passage is formed among the fourth lead 17, the steel pipe 22 and the second lead 7;

after the refrigerator is powered off, the temperature in the inner cavity 3 will gradually decrease, no obvious temperature difference exists between the inside and the outside of the inner cavity 3 along with the pushing of time, the pressure difference caused by the corresponding temperature difference will also decrease, the sealing effect of the cabinet door 2 to the cabinet body 1 will also be lost, because the temperature in the inner cavity 3 will not rapidly decrease after the power off, the inside will still keep a frozen state, the hot semiconductor fin 18 is in an obvious low temperature state, the cold semiconductor fin 6 is in a normal temperature state, according to the seebeck effect, the hot semiconductor fin 18 and the cold semiconductor fin 6 are connected in series through various leads, the obvious temperature difference exists between the hot semiconductor fin 18 and the cold semiconductor fin 6, the current will continuously exist on the series circuit, the heating resistor 12 connected in series on the circuit will heat due to the heat effect of the current, the heating resistor 12 makes the groove 14 in a higher temperature state through heat conduction after heating, under the influence of heat energy, the memory metal ring 15 will stretch out under the influence of temperature;

when the cabinet door 2 is closed with the cabinet body 1, the inserting shaft 9 is inserted into the clamping groove 16, when a power circuit of the refrigerator is normal, no current passes between the hot semiconductor wafer 18 and the cold semiconductor wafer 6, the memory metal ring 15 is in a contraction state, the inserting shaft 9 is only inserted into the clamping groove 16, when the power circuit is disconnected, the memory metal ring 15 is heated and extends to push the wedge block 11, the wedge block 11 slides along the inner wall of the wedge groove 10, because the inner wall of the wedge groove 10 inclines, the upper inner wall of the wedge groove 10 is horizontal, the lower inner wall inclines in the process that the wedge block 11 is continuously inserted into the wedge groove 10, along with the continuous penetration of the wedge block 11, the inserting shaft 9 gradually moves downwards under the action of the wedge block 11, so that the cabinet body 1 connected with the inserting shaft 9 is pulled, and after the wedge block 11 is completely inserted into the wedge groove 10, the inserting shaft 9 drives the cabinet door 2 to be tightly contacted with the cabinet body 1, thereby ensuring the sealing performance of the whole inner cavity 3 and effectively avoiding the cold air in the inner cavity 3 from being dispersed;

the edge of the joint of the cabinet door 2 and the cabinet body 1 is provided with a structure similar to a sealing ring, when the cabinet door 2 is in close contact with the cabinet body 1 under the action of pressure, on the premise of ensuring the tightness, the dissipation of internal cold air can be avoided, so that the refrigeration state can be kept for a long time, when a user uses the refrigerator again, the cabinet body 1 needs to be opened, the wedge-shaped block 11 is clamped with the insertion shaft 9 and cannot be opened, the user needs to be connected with a power supply again, when the main line 4 is electrified again, the electromagnet 21 has magnetism due to the magnetic effect of current and has an attraction effect on the steel pipe 22, the end points 20 at two ends of the steel pipe 22 are respectively disconnected with the fourth lead 17 and the second lead 7, so that a circuit loop is disconnected, the temperature is gradually reduced after no current passes through the heating resistor 12, the memory metal ring 15 is recovered to the normal temperature state to shrink, and the memory metal ring 15 drives the wedge-shaped block 11 to shrink, the wedge block 11 is disengaged from the spiale 9 and the user can open the ice chest again for further use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a prevent refrigerator-freezer of outage, includes the cabinet body (1) and cabinet door (2), cabinet door (2) are rotated and are installed on the cabinet body (1), its characterized in that, be provided with inner chamber (3) in the cabinet body (1), the inside symmetry in both sides of inner chamber (3) is provided with actuating mechanism, actuating mechanism includes cold semiconductor wafer (6) and hot semiconductor wafer (18), cold semiconductor wafer (6) and hot semiconductor wafer (18) are established ties, the bottom is provided with thread (4) in the cabinet body (1), it has a pair of electro-magnet (21) to establish ties on thread (4), hot semiconductor wafer (18), cold semiconductor wafer (6) are established ties and are had steel pipe (22), be provided with the electric wire in steel pipe (22), steel pipe (22) and electro-magnet (21) set up relatively, the both sides of cabinet door (2) still symmetry fixed mounting have plug axle (9), a clamping groove (16) corresponding to the inserting shaft (9) is formed in the cabinet body (1), the hot semiconductor wafer (18) and the cold semiconductor wafer (6) are further connected with a heating resistor (12) in series, grooves (14) are symmetrically formed in two sides of the cabinet body (1), and a clamping mechanism corresponding to the inserting shaft (9) is arranged in each groove (14);

clamping mechanism includes spacing axle (13), memory becket (15) and wedge (11), the inner wall fixed connection of spacing axle (13) and recess (14), memory becket (15) cup joints on spacing axle (13) and one end and wedge (11) fixed connection, the inner wall fixed connection of the other end and recess (14), wedge (11) are passed in spacing axle (13), the lower extreme of inserting axle (9) is provided with wedge groove (10), wedge (11) and wedge groove (10) joint.

2. An anti-power-off ice chest according to claim 1, wherein said heating resistor (12) is electrically connected to said thermal semiconductor plate (18) by a third wire (8), one end of the hot semiconductor fin (18) is electrically connected with a fourth lead (17), the heating resistor (12) is electrically connected with the cold semiconductor fin (6) through the first lead (5), one end of the cold semiconductor fin (6) is electrically connected with a second lead (7), the steel pipe (22) is connected between the fourth lead (17) and the second lead (7), both ends of the steel pipe (22) are provided with end points (20), the two end points (20) are respectively propped against one end of the fourth conducting wire (17) and one end of the second conducting wire (7), one side fixedly connected with spring (19) of steel pipe (22), the one end fixed mounting that steel pipe (22) were kept away from in cabinet body (1) is kept away from in spring (19).

3. An anti-power-off ice chest as claimed in claim 1, wherein said cabinet door (2) is provided with a gasket.