CN115727307A - Low-temperature lighting system - Google Patents

Abstract

The invention discloses a low-temperature lighting system, which belongs to the technical field of low-temperature lighting and comprises a lighting lamp, a pressure protection assembly, a nitrogen replacement assembly, a heating and heat preservation assembly and a power supply assembly, wherein the pressure protection assembly is connected with the lighting lamp, a containing cavity is arranged on the pressure protection assembly, and the lighting lamp is arranged in the containing cavity; the nitrogen displacement assembly is connected with the pressure protection assembly and communicated with the accommodating cavity; the heating and heat-preserving component is connected with the pressure protection component and arranged around the lighting lamp; the power supply assembly is connected with the pressure protection assembly, and the power supply assembly is simultaneously electrically connected with the lighting lamp, the nitrogen gas replacement assembly and the heating and heat-insulating assembly. The low-temperature lighting system provided by the invention solves the problems that in the prior art, a lampshade is easy to frost, normal power-on starting cannot be realized, illumination cannot reach the standard and the like cannot work normally under a low-temperature environment, and the adaptability to low temperature is poor. The invention has obvious effect and is suitable for wide popularization.

Description

Low-temperature lighting system

Technical Field

The invention relates to the technical field of low-temperature lighting, in particular to a low-temperature lighting system.

Background

Low temperature illumination is a method of illuminating at a place with an ambient temperature of 5 ℃ or lower using an artificial light source. The low-temperature environment suitable for the conventional common lamp is not lower than 213K, but when the temperature is 110K-200K, the conventional common lamp cannot normally work due to frosting of a lampshade, incapability of being normally powered on and started, incapability of reaching the standard of illumination and the like.

Aiming at the problems, the lighting system is designed, the problems that in the prior art, a lampshade is easy to frost, cannot be normally powered on to start or cannot normally work when the illumination reaches the standard in a low-temperature environment and the like, and the adaptability of the existing common lamp in the low-temperature environment is improved.

Disclosure of Invention

In view of the above-mentioned drawbacks, the present invention provides a low-temperature lighting system to solve the problems of the prior art that the lamp shade is prone to frost formation, the lamp shade cannot be normally powered on and started, or the illumination cannot reach the standard, and the like, and the adaptability to low temperature is poor.

The invention provides a low-temperature lighting system, which comprises a lighting lamp for emitting light, and further comprises:

the pressure protection assembly is connected with the lighting lamp and used for protecting the lighting lamp, an accommodating cavity is formed in the pressure protection assembly, and the lighting lamp is arranged in the accommodating cavity;

the nitrogen displacement assembly is connected with the pressure protection assembly, is communicated with the accommodating cavity and is used for filling nitrogen into the accommodating cavity to ensure that the accommodating cavity is in a water-free environment;

the heating and heat-insulating assembly is connected with the pressure protection assembly, arranged around the lighting lamp and used for keeping the temperature in the accommodating cavity within a certain range;

and the power supply assembly is connected with the pressure protection assembly, and is simultaneously electrically connected with the lighting lamp, the nitrogen replacement assembly and the heating and heat-insulating assembly.

Preferably, the heating and heat-preserving assembly includes:

the heat insulation layer is connected with the pressure protection component;

the temperature detection piece is connected with the pressure protection assembly and arranged in the accommodating cavity, and the temperature detection piece is electrically connected with the power supply assembly and used for detecting the temperature in the accommodating cavity;

the heating member, with the temperature detects an electricity and connects, the heating member be equipped with a plurality of, and evenly set up in the heat preservation, be used for promoting hold the temperature of intracavity.

Preferably, the nitrogen displacement assembly comprises:

the displacement driver is electrically connected with the power supply assembly and detachably connected with the pressure protection assembly and is used for providing driving force for gas flow;

one end of the air inlet pipeline is connected with the replacement driver, the other end of the air inlet pipeline penetrates through the pressure protection assembly and is communicated with the accommodating cavity, and the air inlet pipeline is arranged on one side of the lighting lamp;

one end of the air outlet pipeline is connected with the replacement driver, the other end of the air outlet pipeline penetrates through the pressure protection assembly and is communicated with the accommodating cavity, and the air outlet pipeline is arranged on the other side of the lighting lamp;

the aqueous vapor detection piece, set up in hold the intracavity, and set up in one side of the pipeline of giving vent to anger, aqueous vapor detection piece with the power supply unit electricity is connected, is used for detecting near the aqueous vapor content of the pipeline of giving vent to anger.

Preferably, the pressure guard assembly comprises:

the protective cover is simultaneously connected with the power supply assembly and the heating and heat-preserving assembly, a heat-preserving cavity is arranged in the protective cover, and the heat-preserving layer and the heating element are both arranged in the heat-preserving cavity;

the light-transmitting cover is detachably connected with the protective cover, and the accommodating cavity is formed between the light-transmitting cover and the protective cover;

and the sealing assembly is connected with the protective cover and the light transmitting cover simultaneously and is used for ensuring that the accommodating cavity is a sealed environment.

Preferably, the power supply assembly includes:

the connector is connected with the protective cover and penetrates through the protective cover;

the power transmission line is connected with one end of the connector and is arranged on one side, far away from the accommodating cavity, of the connector;

one end of the adapter is detachably connected with the other end of the connector and is electrically connected with the connector, the other end of the adapter is detachably connected with the lighting lamp, and the adapter is provided with a plurality of adapters for adapting to the lighting lamps with different specifications;

the controller, with the protection casing is connected, the controller simultaneously with the connector nitrogen gas replacement subassembly with the heating heat preservation subassembly electricity is connected, be equipped with on the protection casing and be used for holding the first holding tank of controller.

Preferably, the controller includes:

the control piece is simultaneously electrically connected with the connector, the nitrogen displacement assembly and the heating and heat-preserving assembly, is connected with the protective cover, and is used for processing the acquired data information and outputting a control signal;

the display screen is arranged on one side, far away from the protective cover, of the control piece, is electrically connected with the control piece and is used for displaying temperature information detected by the temperature detection piece;

the control key is arranged on one side, far away from the protective cover, of the control element and electrically connected with the control element, and a plurality of control keys are arranged and are respectively used for controlling the display of information on the display screen, the manual opening and closing of the heating element and the opening and closing of the control element.

Preferably, a plurality of first heating holes are circumferentially arranged at one end, far away from the connector, of the protective cover, and the first heating holes are communicated with the heat preservation cavity; the light-transmitting cover is provided with a heat insulation cavity, one end of the light-transmitting cover, which is close to the protective cover, is provided with a second heating hole, the second heating hole is communicated with the heat insulation cavity and is in one-to-one correspondence with the first heating hole, and the heat insulation cavity is used for ensuring the temperature of the position of the light-transmitting cover and avoiding the reduction of the temperature in the accommodating cavity.

Preferably, a convex ring is arranged at one end of the protective cover, which is far away from the connector, and an annular groove clamped with the convex ring is arranged on the light-transmitting cover; and a refraction layer is arranged on the inner side wall of the protective cover and is used for refracting light rays emitted by the lighting lamp onto the light-transmitting cover and then emitting the light rays to the outside.

Preferably, the seal assembly comprises:

the first sealing strip is arranged in the accommodating cavity and is simultaneously connected with the protective cover and the light-transmitting cover;

the second sealing strip is arranged on one side, away from the accommodating cavity, of the protective cover and is arranged between the protective cover and the light-transmitting cover, second accommodating grooves are formed in two sides of the convex ring, and the two second accommodating grooves are used for accommodating the first sealing strip and the second sealing strip respectively;

the sealing strip, simultaneously with the protection casing the printing opacity cover with the second sealing strip is connected, first sealing strip the second sealing strip with the sealing strip is the elasticity material, be equipped with on the sealing strip and be used for sealing strip end to end fixed connection's fastening is detained.

Preferably, the power transmission line is a cryogenic cable; or/and the protective cover is provided with a positioning groove used for being connected with the sealing strip, and the sealing strip is provided with a positioning bulge clamped with the positioning groove.

According to the scheme, the low-temperature lighting system provided by the invention has the advantages that nitrogen is filled into the accommodating cavity through the nitrogen replacement assembly, so that moisture in the accommodating cavity is effectively removed, the anhydrous environment in the accommodating cavity is ensured, the condition that the lighting effect is influenced due to frosting of water vapor on the light-transmitting glass side of the lampshade of the lighting lamp caused by the fact that the water vapor is cooled is effectively eliminated, and the problem that the lighting is influenced due to the fact that the part of the light-transmitting part of the pressure protection assembly, which is close to the accommodating cavity, condenses water mist is also avoided; the pressure protection component can ensure that the device does not have the condition that cold air invades the device under the pressure environment of 1-2 MPa, thereby ensuring the controllable working environment of the lamp and improving the pressure adaptability of the common lighting lamp; through setting up heating heat preservation subassembly, under the low temperature environment, the ambient temperature of lamps and lanterns work can remain stable for the device has low temperature adaptability. The invention solves the problems that the lampshade is easy to frost, can not be normally powered on and started or the illumination can not reach the standard and the like in the low-temperature environment in the prior art, can not normally work and has poor adaptability to low temperature, has obvious effect and is suitable for wide popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a low temperature lighting system according to the present invention;

FIG. 2 is a schematic perspective view of another low temperature lighting system according to the present invention;

FIG. 3 is a schematic front view of another low temperature lighting system according to the present invention;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;

FIG. 6 is a schematic diagram of a heating element of another low temperature lighting system provided by the present invention;

FIG. 7 is a schematic view of a light transmissive cover and power supply assembly of another low temperature lighting system in accordance with the present invention;

fig. 8 is a schematic structural view of a shield for another low temperature lighting system according to the present invention.

In FIGS. 1-8:

1. a pressure protection assembly; 2. a nitrogen displacement assembly; 3. heating the heat preservation assembly; 4. a power supply assembly; 5. a lighting fixture; 11. an accommodating chamber; 12. a protective cover; 13. a light-transmitting cover; 14. a seal assembly; 21. a displacement driver; 22. an air intake line; 23. an air outlet pipeline; 24. a water gas detection member; 31. a heat-insulating layer; 32. a temperature detection member; 33. a heating member; 41. a connector; 42. a power transmission line; 43. an adapter; 44. a controller; 121. a heat preservation cavity; 122. a first accommodating groove; 123. a first heat generating hole; 124. a convex ring; 125. a refractive layer; 126. an installation part; 127. a transition section; 128. an expansion section; 129. positioning a groove; 131. a thermal insulation cavity; 132. a second heat emitting hole; 133. an annular groove; 141. a first seal strip; 142. a second seal strip; 143. sealing tape; 441. a control member; 442. a display screen; 443. and controlling the keys.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a description will now be given of an embodiment of a low temperature illumination system according to the present invention. The low-temperature lighting system comprises a lighting lamp 5 for emitting light, and further comprises a pressure protection assembly 1, a nitrogen replacement assembly 2, a heating and heat-preserving assembly 3 and a power supply assembly 4, wherein the pressure protection assembly 1 is connected with the lighting lamp 5 and used for protecting the lighting lamp 5, an accommodating cavity 11 is formed in the pressure protection assembly 1, and the lighting lamp 5 is arranged in the accommodating cavity 11; the nitrogen gas replacement assembly 2 is connected with the pressure protection assembly 1 and communicated with the accommodating cavity 11 and is used for filling nitrogen gas into the accommodating cavity 11 to ensure that the accommodating cavity 11 is in an anhydrous environment; the heating and heat-insulating assembly 3 is connected with the pressure protection assembly 1 and arranged around the lighting lamp 5 and is used for keeping the temperature in the accommodating cavity 11 within a certain range; the power supply assembly 4 is connected with the pressure protection assembly 1, and the power supply assembly 4 is simultaneously electrically connected with the lighting lamp 5, the nitrogen gas replacement assembly 2 and the heating and heat-preserving assembly 3.

Compared with the prior art, the low-temperature lighting system fills nitrogen into the accommodating cavity 11 through the nitrogen replacement assembly 2, so that moisture in the accommodating cavity 11 is effectively removed, a waterless environment in the accommodating cavity 11 is ensured, the condition that the lighting effect is influenced due to the fact that water vapor is cooled and frosted on the light transmitting glass side of the lampshade of the lighting lamp 5 is effectively eliminated, and the problem that the lighting is influenced due to the fact that water mist is condensed on the light transmitting part of the pressure protection assembly 1, which is close to the accommodating cavity 11, is also avoided; the pressure protection component 1 can prevent cold air from invading the device under the pressure environment of 1-2 MPa, thereby ensuring the controllable working environment of the lighting lamp 5; through setting up heating heat preservation subassembly 3, under the low temperature environment, the ambient temperature of 5 work of illumination lamps and lanterns can remain stable, has guaranteed that the device when carrying out the large-span temperature range and using, and 5 operational environment's of illumination lamps and lanterns autonomic are controllable for the device has low temperature adaptability. The low-temperature lighting system can be used in a low-temperature environment with the ambient pressure of 0-2MPa and the ambient temperature of 110K-200K by adopting the common lamp, realizes the normal lighting work of a low-temperature darkroom of the common lamp, improves the low-temperature adaptability and the pressure adaptability of the common lamp, reduces the strict requirement of low-temperature lighting on the lamp, and enables the common lamp to have the generalization of low-temperature lighting.

As another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that of the above embodiment, except that the heating and insulating assembly 3 includes an insulating layer 31, a temperature detecting member 32, and a heating member 33, wherein the insulating layer 31 is connected to the pressure protection assembly 1; the temperature detection piece 32 is connected with the pressure protection component 1 and arranged in the accommodating cavity 11, and the temperature detection piece 32 is electrically connected with the power supply component 4 and used for detecting the temperature in the accommodating cavity 11; the heating element 33 is electrically connected with the temperature detection element 32, and the heating element 33 is provided with a plurality of and evenly arranged in the heat preservation layer 31 for increasing the temperature in the accommodating cavity 11.

In the embodiment, the heat-insulating layer 31 is made of a specially-developed heat-insulating material, can be suitable for a temperature range of 80 k-1000 k, has a density of 0.003-0.5 g/m & lt 3 & gt and a thermal conductivity of 0.012W/(m.k) at normal temperature and normal pressure, can effectively control the overall dimension and weight of the pressure protection component 1, and can efficiently insulate the pressure protection component 1; the heating element 33 is a low-temperature heat tracing band which is spirally arranged and can uniformly heat the accommodating cavity 11, the maximum heating power of the heating element 33 is greater than the maximum heat dissipation power of the device, and the heating element 33 is switched on or off timely according to the set temperature and the feedback information of the temperature detection element 32, so that the working temperature of the lighting lamp 5 is ensured; the temperature detecting element 32 may be a temperature sensor, and is configured to detect the ambient temperature in the accommodating cavity 11 in real time, that is, feed back the operating temperature of the lighting fixture 5 in real time. Under the prerequisite of reasonable setting heat preservation 31, when the temperature was too high, closed heating member 33, the temperature starts heating member 33 when crossing excessively, guarantees that 5 operational environment temperature of lighting fixture are stable. It is within the scope of the present disclosure as long as the above-described performance functions of the heating and insulating assembly 3 can be achieved.

In the embodiment, the device has pressure adaptability in a low-temperature environment, the light-transmitting end of the pressure protection component 1 adopts a double-side sealing mode, the sealing material is a specially selected material, multiple tests and transformation are carried out, and good sealing can be kept in a low-temperature environment of 110K-200K.

As another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that in the above embodiment, except that the nitrogen gas replacement assembly 2 includes a replacement driver 21, an air inlet pipeline 22, an air outlet pipeline 23, and a moisture detector 24, wherein the replacement driver 21 is electrically connected to the power supply assembly 4 and detachably connected to the pressure protection assembly 1 for providing driving force for the gas flow; one end of the air inlet pipeline 22 is connected with the replacement driver 21, the other end of the air inlet pipeline penetrates through the pressure protection assembly 1 and is communicated with the accommodating cavity 11, and the air inlet pipeline 22 is arranged on one side of the lighting lamp 5; one end of the air outlet pipeline 23 is connected with the displacement driver 21, the other end of the air outlet pipeline penetrates through the pressure protection assembly 1 and is communicated with the accommodating cavity 11, and the air outlet pipeline 23 is arranged on the other side of the lighting lamp 5; the moisture detector 24 is disposed in the accommodating cavity 11 and on one side of the air outlet pipeline 23, and the moisture detector 24 is electrically connected to the power supply module 4 and is configured to detect moisture content near the air outlet pipeline 23.

The method for using the low-temperature lighting system comprises the following specific steps:

s1, introducing nitrogen into the accommodating cavity 11 through the air inlet pipeline 22 of the nitrogen displacement assembly 2, displacing air in the pressure protection assembly 1, discharging the air through the air outlet pipeline 23 of the nitrogen displacement assembly 2, measuring the dew point of the discharged air through the water vapor detection part 24 at the position close to the air outlet pipeline 23 after the displacement lasts for 5min, and closing the air inlet pipeline 22 and the air outlet pipeline 23 of the nitrogen displacement assembly 2 when the dew point is lower than-213K to perform the next step;

s2, electrifying the lighting lamp 5, starting the heating and heat-insulating assembly 3, and setting the heat-insulating temperature to be 273K;

s3, the device is placed in a working low-temperature dark room, the ambient pressure is set to be 2MPa, the ambient temperature is set to be 110K, the temperature detection part 32 continuously monitors the temperature in the pressure protection component 1, when the temperature is lower than 268K, the heating part 33 is switched on, the lighting lamp 5 is heated in an auxiliary mode according to temperature fluctuation, and the working ambient temperature of the lighting lamp 5 is guaranteed to be maintained at about 273K; when the temperature of the working environment rises and the temperature inside the pressure protection component 1 is higher than 278K, the heating power of the heating element 33 is reduced, the auxiliary heating of the lighting lamp 5 is reduced, and the temperature of the working environment of the lighting lamp 5 is maintained at about 273K.

The device replaces the air and moisture in the pressure protection component 1 out of the accommodating cavity 11 through the nitrogen gas replacement component 2, can realize the working environment temperature of the illumination lamp 5 under the low-temperature working environment, and ensures the normal use of the common illumination lamp 5 under the low-temperature environment.

Referring to fig. 1 to 8, as another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that in the above embodiment, except that the pressure protection component 1 includes a protection cover 12, a transparent cover 13, and a sealing component 14, wherein the protection cover 12 is connected to the power supply component 4 and the heating and thermal insulation component 3 at the same time, the protection cover 12 is provided with a thermal insulation cavity 121, the thermal insulation layer 31 and the heating component 33 are both disposed in the thermal insulation cavity 121, the thermal insulation cavity 121 can be embedded inside the outer wall of the protection cover 12, so that the overall structure is more compact, the thermal insulation cavity 121 can also be attached to the inner surface of the protection cover 12, and the arrangement is more convenient for disassembly and assembly; the light-transmitting cover 13 is detachably connected with the protective cover 12, the accommodating cavity 11 is formed between the light-transmitting cover 13 and the protective cover 12, and the light-transmitting cover 13 is separated from the protective cover 12, so that the lighting lamp 5 in the accommodating cavity 11 can be replaced conveniently; the sealing assembly 14 is connected to both the protective cover 12 and the transparent cover 13 for ensuring a sealed environment in the accommodating chamber 11.

For convenience of illustration, please refer to fig. 2, where any point in space is taken as an origin, the setting direction of the replacement driver 21 relative to the protective cover 12 is taken as a Z-axis, the setting direction of the controller 44 of the power supply assembly 4 relative to the lighting fixture 5 is taken as an X-axis, and a linear direction perpendicular to both the X-axis and the Z-axis is taken as a Y-axis, a rectangular coordinate system is established, where an XY plane is a horizontal plane, a direction indicated on the horizontal plane is a horizontal direction, and a direction indicated by the Z-axis is a vertical direction.

As another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that of the above embodiment, except that the power supply assembly 4 includes a connector 41, a power line 42, an adapter 43, and a controller 44, wherein the connector 41 is connected to the protective cover 12 and disposed through the protective cover 12, and a sealing member is disposed between the connector 41 and the protective cover 12, and the sealing member may be a rubber pad; the power transmission line 42 is connected with one end of the connector 41 and is arranged on one side of the connector 41 far away from the accommodating cavity 11; one end of the adapter 43 is detachably connected with the other end of the connector 41 and is electrically connected with the connector 41, the other end of the adapter 43 is detachably connected with the lighting lamp 5, and the adapter 43 is provided with a plurality of adapters for adapting to the lighting lamps 5 with different specifications; the controller 44 is connected with the protection cover 12, the controller 44 is simultaneously electrically connected with the connector 41, the nitrogen gas replacement assembly 2 and the heating and heat-preserving assembly 3, the protection cover 12 is provided with a first accommodating groove 122 for accommodating the controller 44, the first accommodating groove 122 is used for installing and fixing the controller 44, the controller 44 is closer to the heating element 33, the working environment of the controller 44 can be ensured to be more stable in the heating process of the heating element 33, and the controller 44 can be ensured to run more stably.

In this embodiment, the controller 44 includes a control element 441, a display screen 442, and a control button 443, wherein the control element 441 is electrically connected to the connecting head 41, the nitrogen displacement assembly 2, and the heating and heat-preserving assembly 3, and is connected to the protective cover 12, and is configured to process the acquired data information and output a control signal; the display screen 442 is disposed on a side of the control member 441 away from the protective cover 12, and is electrically connected to the control member 441 for displaying temperature information detected by the temperature detecting member 32, a working state of the heating member 33, numerical information detected by the moisture detecting member 24, and the like; the control buttons 443 are disposed on a side of the control member 441 away from the protective cover 12 and electrically connected to the control member 441, and the control buttons 443 are disposed to control information displayed on the display screen 442, manual opening and closing of the heating member 33, opening and closing of the control member 441, and the like.

As another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that in the above embodiment, except that a plurality of first heat generating holes 123 are circumferentially disposed at one end of the protective cover 12 away from the connector 41, and the plurality of first heat generating holes 123 are all communicated with the heat preservation cavity 121; the light-transmitting cover 13 is provided with a heat insulation cavity 131, one end of the light-transmitting cover 13 close to the protective cover 12 is provided with a second heating hole 132, the second heating hole 132 is communicated with the heat insulation cavity 131 and is in one-to-one correspondence with the first heating hole 123, and the heat insulation cavity 131 is used for guaranteeing the temperature of the position of the light-transmitting cover 13 and avoiding the temperature reduction in the accommodating cavity 11. Heat in the heat preservation chamber 121 transmits to heat preservation chamber 131 through first hole 123, the second hole 132 that generates heat, guarantees that printing opacity cover 13 also is in a homothermal state, is difficult for producing the aqueous vapor on the one hand and condenses the influence illumination, and on the other hand can reduce the thermal loss of printing opacity part, and the assurance holds the interior temperature of chamber 11 more stable to guarantee lighting fixture 5's steady operation.

In this embodiment, a protruding ring 124 is disposed at an end of the protective cover 12 away from the connector 41, and an annular groove 133 engaged with the protruding ring 124 is disposed on the transparent cover 13; the inner side wall of the protective cover 12 is provided with a refracting layer 125, and the refracting layer 125 is used for refracting light emitted by the lighting fixture 5 onto the light-transmitting cover 13 and then emitting the light to the outside. The protruding ring 124 is connected with the annular groove 133 by a screw thread, and the screw thread may be disposed on both sides of the protruding ring 124 and both side walls of the annular groove 133. The refractive layer 125 is made of a material capable of refracting light, and it is within the scope of the present disclosure as long as the above-mentioned performance function of the refractive layer 125 can be achieved.

In this embodiment, the protection cover 12 includes a mounting portion 126, a transition portion 127, and an expansion portion 128, where the mounting portion 126 is a disk-shaped structure with a through hole in the middle, the connector 41, the air inlet pipeline 22, and the air outlet pipeline 23 are all disposed through the mounting portion 126, a first engaging groove is disposed on one side of the mounting portion 126 away from the accommodating cavity 11, the displacement driver 21 is engaged and fixed with the first engaging groove, the first engaging groove limits and fixes the displacement driver 21 on one hand, and on the other hand, the displacement driver 21 is disposed closer to the heating member 33, so that the displacement driver 21 can better work in a low-temperature environment, and the displacement driver 21 is detachably connected to the mounting portion 126, or the displacement driver 21 can be separately disposed, and is communicated with the accommodating cavity 11 through the longer air inlet pipeline 22 and the longer air outlet pipeline 23; the transition part 127 and the mounting part 126 are integrally formed, the cross section of the transition part 127 is of an arc-shaped structure, and the transition part 127 is matched with the expansion part 128, so that the accommodating cavity 11 has a larger space, can accommodate more types of lighting fixtures 5, and has a wider application range; expansion portion 128 and transition portion 127 integrated into one piece, expansion portion 128 is the tubular structure, the diameter of the one end that expansion portion 128 and transition portion 127 are connected is less than the diameter of the other end, refraction layer 125 sets up on the inner wall of expansion portion 128, the internal diameter that refraction layer 125 is close to the one end of transition portion 127 is less than the internal diameter that expansion portion 128 is close to the one end of transition portion 127, the internal diameter of refraction layer 125 other end is equal or close with the internal diameter of the other end of expansion portion 128, this kind of arrangement mode is more favorable to more light to refract out and holds chamber 11, avoid the waste of energy.

As another embodiment of the present invention, the structure of the low temperature lighting system is substantially the same as that of the above embodiment, except that the sealing assembly 14 includes a first sealing strip 141, a second sealing strip 142, and a sealing strip 143, wherein the first sealing strip 141 is disposed in the receiving cavity 11 and is connected to both the shield 12 and the light-transmissive cover 13; the second sealing strip 142 is arranged on one side of the protective cover 12 far away from the accommodating cavity 11 and between the protective cover 12 and the light-transmitting cover 13, and second accommodating grooves are arranged on two sides of the convex ring 124 and are respectively used for accommodating the first sealing strip 141 and the second sealing strip 142; the sealing strip 143 is connected to the protective cover 12, the transparent cover 13 and the second sealing strip 142, the first sealing strip 141, the second sealing strip 142 and the sealing strip 143 are made of elastic material, and the sealing strip 143 is provided with a fastener for fixedly connecting the sealing strip 143 end to end.

In this embodiment, the first sealing strip 141, the second sealing strip 142 and the sealing strip 143 may be made of rubber; the power transmission line 42 is a low-temperature cable, so that the environmental adaptability of the device is improved; the protecting cover 12 is provided with a positioning groove 129 for connecting with the sealing strip 143, the positioning groove 129 can be a groove circumferentially arranged on the outer surface of the protecting cover 12, and the sealing strip 143 is provided with a positioning projection for clamping with the positioning groove 129. The provision of the sealing strip 143 may further ensure the sealing performance of the seal assembly 14. The cross section of printing opacity cover 13 is concave font structure, and the bottom is the plane, and the lateral wall is the arc surface, and the arc surface of lateral wall can make the space that holds chamber 11 bigger, and the plane setting of bottom can make printing opacity cover 13 dismantle the back and place more easily. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description 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 is therefore not to be construed as limiting the invention.

The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A cryogenic lighting system comprising a lighting fixture (5) for emitting light, characterized by further comprising:

the pressure protection assembly (1) is connected with the lighting lamp (5) and used for protecting the lighting lamp (5), an accommodating cavity (11) is formed in the pressure protection assembly (1), and the lighting lamp (5) is arranged in the accommodating cavity (11);

the nitrogen replacement component (2) is connected with the pressure protection component (1), is communicated with the accommodating cavity (11), and is used for filling nitrogen into the accommodating cavity (11) to ensure that the inside of the accommodating cavity (11) is in an anhydrous environment;

the heating and heat-insulating assembly (3) is connected with the pressure protection assembly (1), arranged around the lighting lamp (5) and used for keeping the temperature in the accommodating cavity (11) within a certain range;

the power supply assembly (4) is connected with the pressure protection assembly (1), and the power supply assembly (4) is simultaneously electrically connected with the lighting lamp (5), the nitrogen replacement assembly (2) and the heating and heat preservation assembly (3).

2. A cryogenic lighting system according to claim 1, wherein the heating and insulating assembly (3) comprises:

the heat insulation layer (31) is connected with the pressure protection component (1);

the temperature detection piece (32) is connected with the pressure protection assembly (1) and arranged in the accommodating cavity (11), and the temperature detection piece (32) is electrically connected with the power supply assembly (4) and used for detecting the temperature in the accommodating cavity (11);

heating member (33), with temperature detect piece (32) electricity is connected, heating member (33) be equipped with a plurality of and evenly set up in heat preservation (31), be used for promoting hold the temperature in the chamber (11).

3. A cryogenic lighting system according to claim 2, the nitrogen displacement assembly (2) comprising:

the displacement driver (21) is electrically connected with the power supply assembly (4) and detachably connected with the pressure protection assembly (1) and is used for providing driving force for gas flow;

one end of the air inlet pipeline (22) is connected with the replacement driver (21), the other end of the air inlet pipeline penetrates through the pressure protection assembly (1) and is communicated with the accommodating cavity (11), and the air inlet pipeline (22) is arranged on one side of the lighting lamp (5);

one end of the air outlet pipeline (23) is connected with the replacement driver (21), the other end of the air outlet pipeline penetrates through the pressure protection assembly (1) and is communicated with the accommodating cavity (11), and the air outlet pipeline (23) is arranged on the other side of the lighting lamp (5);

aqueous vapor detection piece (24), set up in hold chamber (11) in, and set up in one side of gas outlet pipe way (23), aqueous vapor detection piece (24) with power supply unit (4) electricity is connected, is used for detecting near the aqueous vapor content of gas outlet pipe way (23).

4. A cryogenic lighting system according to claim 2 or 3, the pressure protection assembly (1) comprising:

the protective cover (12) is connected with the power supply component (4) and the heating and heat-preserving component (3) at the same time, a heat-preserving cavity (121) is arranged in the protective cover (12), and the heat-preserving layer (31) and the heating element (33) are both arranged in the heat-preserving cavity (121);

the light-transmitting cover (13) is detachably connected with the protective cover (12), and the accommodating cavity (11) is formed between the light-transmitting cover (13) and the protective cover (12);

and the sealing assembly (14) is connected with the protective cover (12) and the light-transmitting cover (13) and is used for ensuring that a sealed environment is formed in the accommodating cavity (11).

5. A cryogenic lighting system according to claim 4, the power supply assembly (4) comprising:

the connector (41) is connected with the protective cover (12) and penetrates through the protective cover (12);

the power transmission line (42) is connected with one end of the connector (41) and is arranged on one side, far away from the accommodating cavity (11), of the connector (41);

one end of the adapter (43) is detachably connected with the other end of the connector (41) and is electrically connected with the connector (41), the other end of the adapter (43) is detachably connected with the lighting lamp (5), and the adapter (43) is provided with a plurality of adapters and used for adapting to the lighting lamps (5) with different specifications;

controller (44), with protection casing (12) are connected, controller (44) simultaneously with connector (41) nitrogen gas replacement subassembly (2) with heating heat preservation subassembly (3) electricity is connected, be equipped with on protection casing (12) and be used for holding first holding tank (122) of controller (44).

6. A cryogenic lighting system according to claim 5, wherein the controller (44) comprises:

the control piece (441) is simultaneously electrically connected with the connecting head (41), the nitrogen gas replacement assembly (2) and the heating and heat-preserving assembly (3), is connected with the protective cover (12), and is used for processing acquired data information and outputting a control signal;

the display screen (442) is arranged on one side of the control piece (441) far away from the protective cover (12), is electrically connected with the control piece (441), and is used for displaying the temperature information detected by the temperature detecting piece (32);

the control key (443) is arranged on one side, away from the protective cover (12), of the control element (441) and electrically connected with the control element (441), and the control key (443) is provided with a plurality of control keys which are respectively used for controlling the display of information on the display screen (442), the manual opening and closing of the heating element (33) and the opening and closing of the control element (441).

7. A low-temperature lighting system according to claim 5, wherein a plurality of first heat-generating holes (123) are circumferentially formed in one end of the protective cover (12) away from the connector (41), and the plurality of first heat-generating holes (123) are all communicated with the heat-preserving chamber (121); be equipped with heat insulating chamber (131) on printing opacity cover (13), printing opacity cover (13) are close to the one end of protection casing (12) is equipped with second heat hole (132), second heat hole (132) with heat insulating chamber (131) intercommunication, and with first heat hole (123) one-to-one, heat insulating chamber (131) are used for guaranteeing the temperature of printing opacity cover (13) position avoids temperature reduces in holding chamber (11).

8. The low-temperature lighting system according to claim 5, wherein a convex ring (124) is arranged at one end of the protective cover (12) far away from the connector (41), and an annular groove (133) which is clamped with the convex ring (124) is arranged on the light-transmitting cover (13); and a refraction layer (125) is arranged on the inner side wall of the protective cover (12), and the refraction layer (125) is used for refracting light emitted by the lighting lamp (5) onto the light-transmitting cover (13) and then emitting the light to the outside.

9. A cryogenic lighting system according to claim 8, the seal assembly (14) comprising:

the first sealing strip (141) is arranged in the accommodating cavity (11) and is simultaneously connected with the protective cover (12) and the light-transmitting cover (13);

the second sealing strip (142) is arranged on one side, away from the accommodating cavity (11), of the protective cover (12) and is arranged between the protective cover (12) and the light-transmitting cover (13), second accommodating grooves are formed in two sides of the convex ring (124), and the two second accommodating grooves are used for accommodating the first sealing strip (141) and the second sealing strip (142) respectively;

a sealing strip (143), simultaneously with the protection casing (12), the printing opacity cover (13) with second sealing strip (142) are connected, first sealing strip (141), second sealing strip (142) with sealing strip (143) are the elastic material, be equipped with on sealing strip (143) and be used for sealing strip (143) end to end fixed connection's fastening is detained.

10. A cryogenic lighting system according to claim 9, wherein the power line (42) is a cryogenic cable; or/and the protective cover (12) is provided with a positioning groove (129) used for being connected with the sealing strip (143), and the sealing strip (143) is provided with a positioning bulge clamped with the positioning groove (129).

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