Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of semiconductor cooler, separated with hot and cold side,
Loss of refrigeration capacity is few, arrangement is easy to use, the effect of flexible material can be used in cold end.
The present invention adopts the following technical solutions:
A kind of semiconductor cooler, including cold end module, hot end module, the cold end module and hot end module pass through winding displacement
It is connected, realizes hot and cold side separation;
Wherein, cold end module includes the integrated semiconductive thin film for improving cold end heat exchange heat flow density, and described integrated half
The two sides of conductor thin film are bonded with cold end circuit board, cold end substrate respectively;Integrated semiconductive thin film includes several intersections and interval
The N-type semiconductor film and P-type semiconductor film of distribution.
Further, the integrated semiconductive thin film further includes basement membrane, and it is a evenly distributed for setting that the basement membrane opens up 2n
Set the hole location of N-type semiconductor film and P-type semiconductor film.
Further, n is the integer more than or equal to 1.
Further, cold end substrate side is provided with circuit, and cold end substrate is partly led adjacent composition by circuit
The N-type semiconductor film of body thin film PN junction links together with P-type semiconductor film.
Further, the integrated semiconductive thin film, cold end substrate and cold end circuit board are all made of flexible material and are made, and make
Cold end module overall performance is flexibility, and the object or shape that can be used for cooling down molded non-planar can changed objects.
Further, the cold end module has cold end insulating layer.
Further, the cold end circuit board is integrated circuit board, and cold end winding displacement interface, cold end circuit board is arranged in one end
Equipped with 2n fitting position, each fitting position has independent circuit connection to cold end winding displacement interface respectively.
Further, the hot end module includes hot end substrate, hot end circuit board and is set to n N-type between the two
Semiconductor chip, n P-type semiconductor piece.
Further, the hot end circuit board has 2n fitting position, n N-type semiconductor piece and n P-type semiconductor piece
Transpostion interval is set on the fitting position of hot end circuit board.
Further, the hot end circuit board is integrated circuit board, and hot end winding displacement interface, hot end circuit board is arranged in one end
Each fitting position have independent circuit connection to hot end winding displacement interface respectively.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention can be realized hot and cold side separation, is freezed and is radiated in different location respectively, effectively reduced cold
The heat in hot end exchanges, and reduces the loss of refrigerating capacity, and keep the arrangement of semiconductor cooler more flexible;
(2) hardness or flexible material can be made in cold end module of the invention, adapt to more heat exchange surface shapes,
It can changed occasion suitable for surface shape;
(3) cold end module of the invention uses integrated semiconductive thin film, and cold end arrangement can be made more compact, improved cold
Hold the heat flow density of heat exchange;Hot end module can need suitably to scale up according to heat dissipation, increase heat dissipation area, reduce heat
Hold the heat flow density of heat dissipation;
(4) each building block of the invention can mass machinery production, can be effectively reduced production cost.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is overall structure of the present invention;
Fig. 2 is integrated semiconductive thin film arrangement architecture schematic diagram of the invention;
Fig. 3 is cold end substrate and its electrical block diagram of the invention;
Fig. 4 is cold end board circuit structural schematic diagram of the invention;
Fig. 5 is semiconductor chip arrangement architecture schematic diagram in hot end module of the invention;
Fig. 6 is hot end substrate and its electrical block diagram of the invention;
Fig. 7 is hot end board circuit structural schematic diagram of the invention;
In figure, 1, integrated semiconductive thin film, 2, cold end substrate, 3, cold end circuit board, 4, cold end insulating layer, 5, cold end winding displacement
Interface, 6, winding displacement, 7, hot end circuit board, 8, hot end substrate, 9, P-type semiconductor piece, 10, N-type semiconductor piece, 11, hot end winding displacement
Interface, 12, electric source line interface, 13, P-type semiconductor film, 14, N-type semiconductor film, 15, basement membrane, 16, circuit.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, hot and cold side distance too recent photo exists in the prior art and rings refrigeration effect, semiconductor
Refrigerator is rigid material, is unfavorable for the deficiency that it is irregular to surface shape or the transformable object of surface shape is cooling,
In order to solve technical problem as above, present applicant proposes a kind of semiconductor coolers.
In a kind of typical embodiment of the application, as shown in Fig. 1-Fig. 7, a kind of semiconductor cooler is provided, is wrapped
Cold end module, hot end module and winding displacement 6 are included, the cold end module is connected with hot end module by winding displacement 6, realizes hot and cold side point
From.
The cold end module includes integrated semiconductive thin film 1, cold end substrate 2, cold end circuit board 3,1 side of semiconductive thin film
Cold end substrate 2 is attached, 1 other side of semiconductive thin film attaches cold end circuit board 3.
Integrated semiconductive thin film 1 includes basement membrane 15, and 2n evenly distributed hole locations, n piece N-type semiconductor are opened up on basement membrane 15
Film 14 and n piece P-type semiconductor film 13 intersect and are spaced apart in the hole location.
Wherein, n is the integer more than or equal to 1.
As shown in Fig. 2, adjacent per a piece of 13 four sides of P-type semiconductor film is N-type semiconductor film 14, similarly,
Adjacent per a piece of 14 four sides of N-type semiconductor film is P-type semiconductor film 13;Every (the N-type half of P-type semiconductor film 13
Conductor thin film 14) it is spaced between film adjacent thereto, it does not contact with each other.
Wherein, the 1st N-type semiconductor film 14 and the 1st P-type semiconductor film 13 form the 1st couple of semiconductive thin film PN
Knot, successively arranges backward, forms n altogether to semiconductive thin film PN junction.
The integrated semiconductive thin film 1 is flexible material.
When having one or more in cold end substrate 2 and cold end circuit board 3 using hard material, for example, by using printed circuit board
PCB etc., then the overall performance of cold end module is rigid material, is used for cooling and plane object.
When cold end substrate 2 and cold end circuit board 3 use flexible material simultaneously, for example, by using flexible circuit board FPC etc., due to
Integrated semiconductive thin film 1 is also flexibility, and cold end module overall performance at this time is flexible material, for cooling down the object of molded non-planar
Body or shape can changed objects.
Cold end substrate 2 is the plate that side is machined with circuit 16, as shown in Figure 3.
Cold end substrate 2 is connected m piece N-type semiconductor film 14 and m piece P-type semiconductor film 13 by circuit 16
Come, m is the integer for being less than or equal to n more than or equal to 1;I.e. by the N-type semiconductor film 14 and p-type of each pair of semiconductive thin film PN junction
Semiconductive thin film 13 connects.
2 outside of cold end substrate (far from integrated 1 side of semiconductive thin film) outwardly provides cold and hot amount, cold and hot amount is passed through straight
It connects or indirectly acts on passing to and need object that is cooling or heating.
The cold end substrate 2 uses the biggish material of relatively thin and thermal coefficient, such as: pellosil, carbon-fiber film.
Cold end circuit board 3 is integrated circuit board, as shown in figure 4,3 one end of cold end circuit board is provided with cold end winding displacement interface 5,
The cold end winding displacement interface 5 is connect with one end of winding displacement 6.
Circuit 16 on the cold end circuit board 3 is equipped with 2n fitting position, is bonded with 2n chip semiconductor film one-to-one correspondence,
And each fitting position has independent circuit 16 to be connected to cold end winding displacement interface 5 respectively, and passes through independent conducting wire point in winding displacement 6
It is not connected with hot end module.
The cold end module further includes cold end insulating layer 4, and cold end insulating layer 4 is set to cold end module surrounding and close to cold end
The outside of circuit board 3, for reducing loss of refrigeration capacity.
When cold end module overall performance is rigid material, hardness or flexible heat-insulating material is can be used in the cold end insulating layer 4
Material;When cold end module overall performance is flexible material, the cold end insulating layer 4 also uses flexibly thermal insulation material.
The hot end module includes the contour semiconductor chip of hot end circuit board 7, hot end substrate 8,2n piece, and semiconductor chip includes
N piece N-type semiconductor piece 10 and n piece P-type semiconductor piece 9.
The hot end circuit board 7 is integrated circuit board, as shown in fig. 7, hot end circuit board 7 has 2n fitting position.
N piece N-type semiconductor piece 10 and 9 transpostion interval of n piece P-type semiconductor piece are set to 2n fitting of hot end circuit board 7
On position;N-type half is provided that on the fitting position connecting by winding displacement 6 and circuit with N-type semiconductor film 14 on cold end circuit board 3
Conductor piece 10 is provided that P-type semiconductor piece 9 on the fitting position connecting with P-type semiconductor film 13 on cold end circuit board 3.
Therefore, the 2n chip semiconductor piece of hot end module and the 2n chip semiconductor film of cold end module pass through circuit and winding displacement 6
It connects one to one.
Wherein, the 1st N-type semiconductor piece 10 and the 1st p-type being correspondingly connected with the 1st pair of semiconductive thin film PN junction are partly led
Body piece 9 forms the 1st pair of semiconductor chip PN junction, successively arranges backward, forms n altogether to semiconductor chip PN junction.
The hot end substrate 8 is that inside (close to the side of hot end circuit board 7) is machined with the plate of circuit, as shown in Figure 6;
Hot end substrate 8 by circuit 16 by a in semiconductor chip PN junction P-type semiconductor piece 13 and a+1 to semiconductor chip PN junction
In N-type semiconductor piece 10 link together, wherein a be more than or equal to 1 be less than or equal to n-1 integer.
Hot end substrate 8 is additionally provided with electric source line interface 12, and the circuit 16 of hot end substrate 8 is also by the 1st N-type semiconductor piece 10
It is connect respectively with electric source line interface 12 with n-th P-type semiconductor piece 9, for being that semiconductor cooler is powered after powering on.
The outside of hot end substrate 8 is outwardly radiated, and suitably increases the face of hot end substrate 8 in the case where installation space allows
Product, can reduce heat dissipation heat flow density.
On the outside of the hot end substrate 8 also settable radiating fin, fin add fan, heat-pipe radiator, water-cooled radiator or
The radiator of the diversified forms such as phase-change heat-exchanger, for enhancing heat dissipation effect.
The application semiconductor cooler has two kinds of works of refrigeration mode and heating mode when connecting external dc power work
Operation mode.
When semiconductor cooler works in cooling mode, cold end module is provided out cooling capacity, and hot end module radiates outward,
Electric current flows through sequence successively are as follows: positive pole, the 1st N-type semiconductor piece, the 1st N-type semiconductor film, the 1st p-type half
Conductor thin film, the 1st P-type semiconductor piece, the 2nd N-type semiconductor piece ..., n-th N-type semiconductor piece, n-th N-type are partly led
Body thin film, n-th P-type semiconductor film, n-th P-type semiconductor piece, power cathode.
When semiconductor cooler works under heating work mode, external dc power positive and negative anodes should be reversely connected, it is cold at this time
End module is provided out heat, and hot end module absorbs heat from the external world, and flowing through for electric current is sequentially opposite under refrigeration work mode.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.