CN111637638A

CN111637638A - Multi-dimensional combined adjustable CPC heat collecting device

Info

Publication number: CN111637638A
Application number: CN202010643252.1A
Authority: CN
Inventors: 余雷; 陆玉正
Original assignee: Nanjing Suoleyou Energy Saving Technology Co ltd
Current assignee: Nanjing Suoleyou Energy Saving Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-09-08

Abstract

The patent discloses a CPC heat collection device with adjustable multidimension combination, including the straight-through all-glass evacuated collector tube of taking the jack, curved heat pipe formula evacuated collector tube, primary half compound parabolic solar panel, secondary curved double dimension compound parabolic solar panel, the adjustable angle formula support frame device of doublestage, the lower extreme of curved heat pipe formula evacuated collector tube inserts in the straight-through all-glass evacuated collector tube of taking the jack. This CPC heat collector device adopts vertically to combine with horizontal spotlight, twice and a spotlight combination, curved heat pipe formula and straight-through vacuum heat collection tube combination, the mode such as heat collector orientation regulation and reflector panel angle modulation combination, with the realization under the prerequisite of guaranteeing the solar light acceptance angle, improve spotlight ratio as far as and realize higher heat collection temperature, reduce optical loss and reflector panel angle adjustment number of times, improve solar collector's comprehensive collecting efficiency, the adjustability is high simultaneously, application scope is wide, be convenient for assemble and dismantle, and is with low costs.

Description

Multi-dimensional combined adjustable CPC heat collecting device

Technical Field

The invention relates to a solar heat collector, in particular to a multi-dimensional, multi-stage and adjustable CPC heat collector device, and belongs to the technical field of solar energy utilization.

Background

Solar energy, as a clean, pollution-free renewable energy source, is being developed and utilized as an important component of the world's energy strategy. The successful commercialization of solar water heaters has resulted in the content of research efforts by scientists in various countries to make more efficient use of solar energy.

Compound parabolic concentrators (CPCs for short) are non-imaging concentrators designed according to the principle of edge optics. In theory, incident light in the acceptance angle range ultimately reaches the receiver, either directly or via reflection, which achieves maximum concentration ratio for a given acceptance angle range, and is therefore used in solar photo-thermal, photovoltaic systems, non-tracking, tracking (secondary reflector) systems. The CPC heat collector has the minimum heat radiation area, does not need a tracking device, reduces the cost and can meet the requirement of medium-high temperature heat collection.

The CPC solar medium-low temperature heat collector has been popularized and applied to a certain extent at present, and compared with a common solar low-temperature heat collector, the CPC solar medium-low temperature heat collector can improve the heat collection temperature and the heat collection efficiency within a certain range, but the conventional CPC heat collector has low light collection ratio due to the limitation of optical characteristics, and cannot realize higher heat collection temperature or has low solar heat collection efficiency when operating at higher heat collection temperature; if the higher spotlight ratio is designed, the sunlight receiving angle of the heat collector is very small, the sunlight can be received only by tracking or frequent adjustment, the value and the meaning of the CPC heat collector are lost, and meanwhile, a larger reflecting plate is needed. The situation results in no obvious advantages of performance and cost of the CPC heat collector compared with the non-condenser, and the popularization and application of the CPC heat collector are limited.

Disclosure of Invention

The invention aims to overcome the defects of the prior related CPC heat collecting device, provides the CPC heat collecting device which is multi-dimensional, combines twice condensation with once condensation and can adjust the reflector, improves the condensation ratio as much as possible under the condition of ensuring the angle range of receiving sunlight, realizes higher heat collecting temperature, reduces optical loss and the angle adjustment times of the reflector, improves the comprehensive heat collecting efficiency of the solar heat collector, and has the advantages of high adjustability, wide application range, convenience in assembly and disassembly and low cost.

In order to solve the technical problem, the technical scheme provided by the patent is as follows: the multi-dimensional combined adjustable CPC heat collecting device comprises a straight-through all-glass evacuated collector tube with a jack, a curved heat tube evacuated collector tube, a primary semi-compound parabolic light collecting plate, a secondary curved two-dimensional compound parabolic light collecting plate and a two-stage angle-adjustable support frame device; the straight-through all-glass evacuated solar collector tube with the jack is horizontally arranged, a plurality of curve heat pipe evacuated solar collector tubes are arranged side by side, the lower ends of the curve heat pipe evacuated solar collector tubes are inserted into the straight-through all-glass evacuated solar collector tube with the jack, and the axes of the curve heat pipe evacuated solar collector tubes are bent upwards; a secondary curve type double-dimensional compound parabolic light-gathering plate is arranged below each curve type heat pipe type vacuum heat-collecting pipe, on the radial section of each curve type heat pipe type vacuum heat-collecting pipe, the secondary curve type double-dimensional compound parabolic light-gathering plate is a compound parabolic curved surface taking the curve type heat pipe type vacuum heat-collecting pipe as a receiving pipe, and on the axial vertical section of the curve type heat pipe type vacuum heat-collecting pipe, the axis curves of the secondary curve type double-dimensional compound parabolic light-gathering plate and the curve type heat pipe type vacuum heat-collecting pipe are parallel; the primary half-compound parabolic light gathering plate and the secondary curve type two-dimensional compound parabolic light gathering plate are fixed on the two-stage angle-adjustable support frame device, and the primary half-compound parabolic light gathering plate is a half-edge compound parabolic curved surface which takes a straight-through all-glass vacuum heat collecting tube with a jack as a receiving tube; the straight-through all-glass vacuum heat collecting tube with the jacks and the curved heat tube type vacuum heat collecting tube are fixed on the two-stage angle-adjustable support frame device.

As an improvement of the invention, the curve heat pipe type vacuum heat collecting pipe comprises an outer glass pipe, an inner glass pipe, an all-glass vacuum heat collecting pipe vacuum layer, a glass jack and a rubber ring; the outer glass tube is positioned outside the inner glass tube, and an all-glass vacuum heat collecting tube vacuum layer is arranged between the outer glass tube and the inner glass tube; the end parts of the outer glass tube and the inner glass tube are hermetically connected through a sealing seal, the outside of the outer glass tube is communicated with the inside of the inner glass tube through a glass jack, a rubber ring is embedded in the glass jack, and the outer surface of the inner glass tube is coated with a selective absorption coating.

As an improvement of the invention, the curve heat pipe type vacuum heat collecting pipe comprises a curve glass pipe, a heat pipe evaporation section, a heat pipe type vacuum heat collecting pipe vacuum layer, a heat collecting pipe end cover and a heat pipe condensation section; the axis of curve type glass pipe and the axis of heat pipe evaporation zone are parallel and are one section of compound parabolic curve, and curve type glass pipe is single-deck glass sleeve pipe, and the one end of curve type glass pipe is sealed, and the other end is connected with the thermal-collecting tube end cover and forms sealed space, and heat pipe evaporation zone and heat pipe condensation zone are located respectively sealed space's inside and outside, and heat pipe evaporation zone and heat pipe condensation zone are interconnect's tubular structure, are heat pipe evacuated collector tube vacuum layer between curve type glass pipe and the heat pipe evaporation zone, and the surface of heat pipe evaporation zone covers there is selective absorbing coating.

As an improvement of the invention, the two-stage angle-adjustable support frame device comprises a primary light gathering plate curve support rod, a secondary light gathering plate curve support rod, a primary light gathering plate support cross frame, a secondary light gathering plate support cross frame, an all-glass vacuum heat collection tube end fixing support, a heat pipe type vacuum heat collection tube fixing support, a secondary curve type two-dimensional compound parabolic light gathering plate support, an adjustable support, a main support rotating shaft, a rotating shaft connecting rod, a secondary support rotating shaft, a main rotating shaft end device, a secondary rotating shaft end device and an inclined support frame; the main supporting rotating shaft and the secondary supporting rotating shaft are of rotatable rod-shaped structures, the end part of the main supporting rotating shaft is connected with a main rotating shaft end device, and the end part of the secondary supporting rotating shaft is connected with a secondary rotating shaft end device; the end part device of the main rotating shaft is fixed on an inclined support frame, the inclined support frame is placed on the ground, a secondary light gathering plate curve support rod, a rotating shaft connecting rod and an all-glass vacuum heat collecting tube end fixing support are fixedly connected onto the main supporting rotating shaft, the other end of the rotating shaft connecting rod is fixedly connected with the end part device of the secondary rotating shaft, and the secondary supporting rotating shaft is fixedly connected with a primary light gathering plate curve support rod; a plurality of secondary light collecting plate supporting cross frames are arranged on the secondary light collecting plate curve supporting rod, a plurality of heat pipe type vacuum heat collecting pipe fixing supports are fixedly connected to the uppermost and lowermost secondary light collecting plate supporting cross frames, and a plurality of secondary curve type two-dimensional compound parabolic light collecting plate supports are fixedly connected to the rest secondary light collecting plate supporting cross frames; be equipped with a plurality of elementary solar panel support crossbearers on the primary solar panel curve branch, adjustable support includes internal thread pipe, positive and negative silk threaded rod, internal thread pole down, and positive and negative silk threaded rod passes through threaded connection internal thread pipe and internal thread pole down, and the lower part of internal thread pipe is fixed on elementary solar panel support crossbearer down, and the last internal thread pipe upper portion of adjustable support is connected and is fixed elementary half compound parabolic solar panel.

As an improvement of the invention, the axis of the curved heat pipe type vacuum heat collecting pipe is a section of a compound parabolic curve.

As an improvement of the invention, the secondary curve type two-dimensional compound parabolic light gathering plate bracket and the adjustable bracket are provided with magnetic blocks, and the primary semi-compound parabolic light gathering plate and the secondary curve type two-dimensional compound parabolic light gathering plate are provided with iron strips.

As an improvement of the invention, the number of the secondary light gathering plate supporting cross frames and the number of the primary light gathering plate supporting cross frames are 4-8, the number of the heat pipe type vacuum heat collecting pipe fixing supports and the number of the secondary curve type two-dimensional compound parabolic light gathering plate supports on each secondary light gathering plate supporting cross frame are 2-10, and the number of the adjustable supports on each primary light gathering plate supporting cross frame is 2-10.

Compared with the prior art, the invention has the following advantages:

1) sunlight irradiated on the primary semi-compound parabolic light collecting plate is partially reflected to the straight-through all-glass vacuum heat collecting tube with the jack, and partially reflected to the secondary curve type two-dimensional compound parabolic light collecting plate and the curve type heat pipe vacuum heat collecting tube; part of sunlight irradiated on the secondary curve type two-dimensional compound parabolic light collecting plate is reflected to the curve type heat pipe type vacuum heat collecting pipe, and part of sunlight is reflected to the straight-through type all-glass vacuum heat collecting pipe with the jack; part of sunlight directly irradiates the straight-through all-glass evacuated collector tube with the jack and the curved heat pipe evacuated collector tube; solar energy received by the curved heat pipe type vacuum heat collecting pipe is transmitted to the straight-through type all-glass vacuum heat collecting pipe with the insertion hole through the heat pipe, and the solar energy irradiated to the device is finally converged into the straight-through type all-glass vacuum heat collecting pipe.

2) The design of two-dimensional secondary compound parabolic light condensation is adopted, the light condensation ratio can be improved, the temperature of a heat collection medium and the efficiency of a heat collection system are improved, and compared with a tracking type light condensation device, a tracking control system is not needed, the system construction cost and the system operation cost are reduced, meanwhile, the stability is high, and the service life is long; compared with a primary compound parabolic condenser with a high condensing ratio, the solar light receiving angle range (CPC receiving angle) can be increased, and the requirements on the position, angle and shape precision of the condenser and the optical loss are reduced.

3) The device adopts the design of the vacuum tube, so that the heat loss of the system can be reduced, and the heat collection efficiency is improved; the secondary heat collecting pipe adopts a bending type heat pipe device, so that the heat transmission speed and efficiency of the primary heat collecting pipe can be improved, and the secondary heat collecting pipe is convenient to mount and dismount.

4) The two-stage rotating structure design of the main supporting rotating shaft and the secondary supporting rotating shaft is adopted, so that the receiving angle of the adjusting device can adapt to the sunlight angles at different time and different positions, meanwhile, the primary half compound parabolic light gathering plate with different light gathering ratios and sizes can be replaced through the secondary adjustment of the primary half compound parabolic light gathering plate, the light gathering plate supporting frame with the magnetic block is adopted, and the light gathering plate can be conveniently mounted, dismounted, positioned, adjusted in angle and the like.

5) The device can improve spotlight ratio as far as possible and realize higher heat collection temperature through the effective combination of multidimension CPC spotlight mode under the prerequisite of guaranteeing the sunlight angle of reception, reduces optical loss and reflector panel angular adjustment number of times, improves solar collector's comprehensive collecting efficiency, and the angle adjustability of CPC is high simultaneously, and application scope is wide, simple structure, be convenient for assemble and dismantle, and is with low costs, has better popularization potentiality.

Drawings

FIG. 1 is a schematic structural diagram of a multi-dimensional combined adjustable CPC heat collecting device;

FIG. 2 is a schematic structural diagram of a straight-through all-glass evacuated collector tube with an insertion hole;

FIG. 3 is a schematic structural diagram of a curved heat pipe type evacuated collector tube;

FIG. 4 is a schematic structural view of a two-stage adjustable angle support frame device;

wherein: 1 is a straight-through type all-glass vacuum heat collecting pipe with jacks, 2 is a curved heat pipe type vacuum heat collecting pipe, 3 is a primary semi-composite paraboloid light collecting plate, 4 is a secondary curved two-dimensional composite paraboloid light collecting plate, 5 is a two-stage angle-adjustable support frame device, 6 is an outer glass pipe, 7 is an inner glass pipe, 8 is a vacuum layer of the all-glass vacuum heat collecting pipe, 9 is a glass jack, 10 is a rubber ring, 11 is a curved glass pipe, 12 is a heat pipe evaporation section, 13 is a heat pipe type vacuum heat collecting pipe vacuum layer, 14 is a heat collecting pipe end cover, 15 is a heat pipe condensation section, 16 is a primary light collecting plate curved support rod, 17 is a secondary light collecting plate curved support rod, 18 is a secondary light collecting plate support transverse frame, 19 is a primary light collecting plate support transverse frame, 20 is an all-glass vacuum heat collecting pipe end fixing support frame, 21 is a heat pipe type vacuum heat collecting pipe fixing support frame, 22 is a, 23 is an adjustable support, 24 is a main support shaft, 25 is a shaft link, 26 is a secondary support shaft, 27 is a main shaft end fitting, 28 is a secondary shaft end fitting, 29 is a tilt support.

Detailed Description

For the purposes of promoting an understanding and appreciation of the invention, reference will now be made to the following detailed description of the invention taken in conjunction with the accompanying drawings.

Example 1

Referring to fig. 1, the multidimensional combined adjustable CPC heat collecting device comprises a straight-through all-glass evacuated solar collector tube 1 with a jack, a curved heat tube evacuated solar collector tube 2, a primary semi-compound parabolic solar collector plate 3, a secondary curved two-dimensional compound parabolic solar collector plate 4 and a two-stage adjustable angle type support frame device 5; the straight-through all-glass evacuated solar collector tube 1 with the jack is horizontally placed, the plurality of curved heat pipe type evacuated solar collector tubes 2 are placed side by side, the lower ends of the curved heat pipe type evacuated solar collector tubes 2 are inserted into the straight-through all-glass evacuated solar collector tube 1 with the jack, and the axis of the curved heat pipe type evacuated solar collector tubes 2 is bent upwards; a secondary curve type double-dimensional compound parabolic light-gathering plate 4 is arranged below each curve type heat pipe type vacuum heat-collecting pipe 2, on the radial section of each curve type heat pipe type vacuum heat-collecting pipe 2, the secondary curve type double-dimensional compound parabolic light-gathering plate 4 is a compound parabolic curved surface taking the curve type heat pipe type vacuum heat-collecting pipe 2 as a receiving pipe, and on the axial vertical section of the curve type heat pipe type vacuum heat-collecting pipe 2, the secondary curve type double-dimensional compound parabolic light-gathering plate 4 is parallel to the axial curve of the curve type heat pipe type vacuum heat-collecting pipe 2; the primary half-compound parabolic light gathering plate 3 and the secondary curve type two-dimensional compound parabolic light gathering plate 4 are fixed on a two-stage angle-adjustable support frame device 5, and the primary half-compound parabolic light gathering plate 3 is a half-edge compound parabolic curved surface taking a straight-through all-glass vacuum heat collecting pipe 1 with a jack as a receiving pipe; the straight-through all-glass evacuated solar collector tube 1 with the jacks and the curved heat tube evacuated solar collector tube 2 are fixed on a two-stage angle-adjustable support frame device 5.

Example 2

Referring to fig. 2, as an improvement of the present invention, the curved heat pipe type evacuated collector tube 2 includes an outer glass tube 6, an inner glass tube 7, an all-glass evacuated collector tube vacuum layer 8, a glass insertion hole 9, and a rubber ring 10; the outer glass tube 6 is positioned outside the inner glass tube 7, and an all-glass vacuum heat collecting tube vacuum layer 8 is arranged between the outer glass tube 6 and the inner glass tube 7; the end parts of the outer glass tube 6 and the inner glass tube 7 are hermetically connected through sealing, the outside of the outer glass tube 6 is communicated with the inside of the inner glass tube 7 through a glass jack 9, a rubber ring 10 is embedded in the glass jack 9, and the outer surface of the inner glass tube 7 is coated with a selective absorption coating.

Example 3

Referring to fig. 3, as an improvement of the present invention, the curved heat pipe type evacuated collector tube 2 includes a curved glass tube 11, a heat pipe evaporation section 12, a heat pipe type evacuated collector tube vacuum layer 13, a collector tube end cap 14, and a heat pipe condensation section 15; the axis of the curved glass tube 11 is parallel to the axis of the heat pipe evaporation section 12 and is a section of a compound parabolic curve, the curved glass tube 11 is a single-layer glass sleeve, one end of the curved glass tube 11 is closed, the other end of the curved glass tube is connected with the heat collecting tube end cover 14 to form a sealed space, the heat pipe evaporation section 12 and the heat pipe condensation section 15 are respectively located inside and outside the sealed space, the heat pipe evaporation section 12 and the heat pipe condensation section 15 are of mutually connected tubular structures, a heat pipe type vacuum heat collecting tube vacuum layer 13 is arranged between the curved glass tube 11 and the heat pipe evaporation section 12, and the outer surface of the heat pipe evaporation section 12 is covered with a selective absorption coating.

Example 4

Referring to fig. 4, as an improvement of the present invention, the two-stage adjustable angle type support frame device 5 includes a primary solar panel curved support rod 16, a secondary solar panel curved support rod 17, a primary solar panel support cross frame 19, a secondary solar panel support cross frame 18, an all-glass evacuated collector tube end fixing support 20, a heat pipe evacuated collector tube fixing support 21, a secondary curved two-dimensional compound parabolic solar panel support 22, an adjustable support 23, a main support rotating shaft 24, a rotating shaft connecting rod 25, a secondary support rotating shaft 26, a main rotating shaft end device 27, a secondary rotating shaft end device 28, and an inclined support frame 29; the main supporting rotating shaft 24 and the secondary supporting rotating shaft 26 are rotatable rod-shaped structures, the end part of the main supporting rotating shaft 24 is connected with a main rotating shaft end device 27, and the end part of the secondary supporting rotating shaft 26 is connected with a secondary rotating shaft end device 28; the main rotating shaft end device 27 is fixed on an inclined support frame 29, the inclined support frame 29 is placed on the ground, a secondary light gathering plate curve support rod 17, a rotating shaft connecting rod 25 and an all-glass vacuum heat collecting tube end fixing support 20 are fixedly connected to the main supporting rotating shaft 24, the other end of the rotating shaft connecting rod 25 is fixedly connected with a secondary rotating shaft end device 28, and a secondary supporting rotating shaft 26 is fixedly connected with a primary light gathering plate curve support rod 16; a plurality of secondary light collecting plate supporting cross frames 18 are arranged on the secondary light collecting plate curved supporting rod 17, a plurality of heat pipe type vacuum heat collecting pipe fixing supports 21 are fixedly connected to the uppermost and lowermost secondary light collecting plate supporting cross frames 18, and a plurality of secondary curved two-dimensional compound parabolic light collecting plate supports 22 are fixedly connected to the rest secondary light collecting plate supporting cross frames 18; be equipped with a plurality of primary solar panel support crossbearers 19 on the primary solar panel curve branch 16, support 23 with adjustable includes internal thread pipe, positive and negative silk threaded rod, lower internal threaded rod, and positive and negative silk threaded rod passes through threaded connection internal thread pipe and internal thread pole down, and the lower part of internal thread pipe is fixed on primary solar panel support crossbearer 19 down, and support 23 with adjustable is connected and fixed the half compound parabolic solar panel 3 of elementary internal thread pipe upper portion.

Example 5

Referring to fig. 1, as an improvement of the present invention, the axis of the curved heat pipe type evacuated collector tube 2 is a section of a compound parabolic curve.

Example 6

Referring to fig. 4, as an improvement of the present invention, the secondary curved two-dimensional compound parabolic concentrator plate support 22 and the adjustable support 23 are provided with magnetic blocks, and the primary semi-compound parabolic concentrator plate 3 and the secondary curved two-dimensional compound parabolic concentrator plate 4 are provided with iron bars.

Example 7

Referring to fig. 4, as an improvement of the present invention, the number of the secondary solar panel support cross frames 18 and the number of the primary solar panel support cross frames 19 are 4 to 8, the number of the heat pipe type evacuated solar collector tube fixing brackets 21 and the number of the secondary curved two-dimensional compound parabolic solar panel brackets 22 on each secondary solar panel support cross frame 18 are 2 to 10, and the number of the adjustable brackets 23 on each primary solar panel support cross frame 19 is 2 to 10.

The working principle and the process are as follows:

referring to fig. 1-4, sunlight irradiated onto the primary semi-compound parabolic solar panel 3 is partially reflected onto the straight-through all-glass evacuated collector tube 1 with the insertion holes, and partially reflected onto the secondary curved two-dimensional compound parabolic solar panel 4 and the curved heat pipe evacuated collector tube 2; a part of sunlight irradiated on the secondary curve type two-dimensional compound parabolic light collecting plate 4 is reflected to the curve type heat pipe type vacuum heat collecting pipe 2, and a part of sunlight is reflected to the straight-through type all-glass vacuum heat collecting pipe 1 with the jack; a part of sunlight directly irradiates the straight-through all-glass evacuated collector tube 1 with the jack and the curved heat pipe evacuated collector tube 2; solar energy received by the curved heat pipe type vacuum heat collecting pipe 2 is transmitted to the straight-through type all-glass vacuum heat collecting pipe 1 with the jack through the heat pipe, so that the solar energy irradiated to the device finally converges into the straight-through type all-glass vacuum heat collecting pipe 1.

The light is condensed twice by the primary semi-compound parabolic light-collecting plate 3 and the secondary curve type two-dimensional compound parabolic light-collecting plate 4 after being refracted to the curve type heat pipe type vacuum heat-collecting pipe 2, so that the light-collecting ratio is high, the heat pipe type vacuum heat-collecting pipe has the characteristic of high temperature and high efficiency, the combination of the two can ensure that a heat-collecting medium can reach high heat-collecting temperature, and meanwhile, the heat-collecting efficiency is high.

The primary half-compound parabolic solar panel 3 and the straight-through all-glass evacuated solar collector tube 1 are used for longitudinally condensing light, the secondary curve type double-dimensional compound parabolic solar panel 4 and the curve type heat pipe evacuated solar collector tube 2 are used for transversely condensing light, the CPC angle adjusting times can be reduced under the condition of ensuring a large condensing ratio by combining the multi-dimensional condensing light, and meanwhile, the optical loss is small.

The orientation angle of the whole light gathering device can be adjusted by rotating the main supporting rotating shaft 24, and the angle of the primary semi-compound parabolic light gathering plate 3 can be adjusted by rotating the secondary supporting rotating shaft 26 so as to adapt to installation of CPC reflecting plates of different models.

The adjustable bracket 23 can be designed to adjust the height of the light gathering plate bracket by rotating a positive and negative screw rod; the adopted light-gathering plate support frame with the magnetic block is made of iron materials or the back surface of the light-gathering plate is provided with the magnet, so that the fixation and the disassembly of the two-stage light-gathering plate, the position adjustment and the angle adjustment of the secondary curve type two-dimensional compound parabolic light-gathering plate 4 can be facilitated.

The present invention can also combine at least one of the technical features described in examples 2, 3, 4, 5, 6, and 7 with example 1 to form a new embodiment.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, which is defined by the claims.

Claims

1. A multidimensional combined adjustable CPC heat collecting device is characterized by comprising a straight-through all-glass evacuated collector tube with a jack, a curve heat pipe type evacuated collector tube, a primary semi-compound parabolic light collecting plate, a secondary curve type two-dimensional compound parabolic light collecting plate and a two-stage adjustable angle type support frame device, wherein the curve heat pipe type evacuated collector tube is arranged on the straight-through all-glass evacuated collector tube; the straight-through all-glass evacuated solar collector tube with the jack is horizontally arranged, a plurality of curve heat pipe evacuated solar collector tubes are arranged side by side, the lower ends of the curve heat pipe evacuated solar collector tubes are inserted into the straight-through all-glass evacuated solar collector tube with the jack, and the axes of the curve heat pipe evacuated solar collector tubes are bent upwards; a secondary curve type double-dimensional compound parabolic light-gathering plate is arranged below each curve type heat pipe type vacuum heat-collecting pipe, on the radial section of each curve type heat pipe type vacuum heat-collecting pipe, the secondary curve type double-dimensional compound parabolic light-gathering plate is a compound parabolic curved surface taking the curve type heat pipe type vacuum heat-collecting pipe as a receiving pipe, and on the axial vertical section of the curve type heat pipe type vacuum heat-collecting pipe, the axis curves of the secondary curve type double-dimensional compound parabolic light-gathering plate and the curve type heat pipe type vacuum heat-collecting pipe are parallel; the primary half-compound parabolic light gathering plate and the secondary curve type two-dimensional compound parabolic light gathering plate are fixed on the two-stage angle-adjustable support frame device, and the primary half-compound parabolic light gathering plate is a half-edge compound parabolic curved surface which takes a straight-through all-glass vacuum heat collecting tube with a jack as a receiving tube; the straight-through all-glass vacuum heat collecting tube with the jacks and the curved heat tube type vacuum heat collecting tube are fixed on the two-stage angle-adjustable support frame device.

2. The multi-dimensional combined adjustable CPC heat collecting device according to claim 1, wherein the curved heat pipe type evacuated collector tube comprises an outer glass tube, an inner glass tube, an all-glass evacuated collector tube vacuum layer, a glass insertion hole, a rubber ring; the outer glass tube is positioned outside the inner glass tube, and an all-glass vacuum heat collecting tube vacuum layer is arranged between the outer glass tube and the inner glass tube; the end parts of the outer glass tube and the inner glass tube are hermetically connected through a sealing seal, the outside of the outer glass tube is communicated with the inside of the inner glass tube through a glass jack, a rubber ring is embedded in the glass jack, and the outer surface of the inner glass tube is coated with a selective absorption coating.

3. The multi-dimensional combined adjustable CPC heat collecting device according to claim 1, wherein the curved heat pipe type evacuated collector tube comprises a curved glass tube, a heat pipe evaporation section, a heat pipe type evacuated collector tube vacuum layer, a collector tube end cap, a heat pipe condensation section; the axis of curve type glass pipe and the axis of heat pipe evaporation zone are parallel and are one section of compound parabolic curve, and curve type glass pipe is single-deck glass sleeve pipe, and the one end of curve type glass pipe is sealed, and the other end is connected with the thermal-collecting tube end cover and forms sealed space, and heat pipe evaporation zone and heat pipe condensation zone are located respectively sealed space's inside and outside, and heat pipe evaporation zone and heat pipe condensation zone are interconnect's tubular structure, are heat pipe evacuated collector tube vacuum layer between curve type glass pipe and the heat pipe evaporation zone, and the surface of heat pipe evaporation zone covers there is selective absorbing coating.

4. The multi-dimensional combined adjustable CPC heat collecting device according to claim 1, wherein the two-stage adjustable angle-type supporting frame device comprises a primary solar panel curve supporting rod, a secondary solar panel curve supporting rod, a primary solar panel supporting cross frame, a secondary solar panel supporting cross frame, an all-glass evacuated collector tube end fixing frame, a heat pipe evacuated collector tube fixing frame, a secondary curve type two-dimensional compound parabolic solar panel supporting frame, an adjustable frame, a main supporting rotating shaft, a rotating shaft connecting rod, a secondary supporting rotating shaft, a main rotating shaft end device, a secondary rotating shaft end device and an inclined supporting frame; the main supporting rotating shaft and the secondary supporting rotating shaft are of rotatable rod-shaped structures, the end part of the main supporting rotating shaft is connected with a main rotating shaft end device, and the end part of the secondary supporting rotating shaft is connected with a secondary rotating shaft end device; the end part device of the main rotating shaft is fixed on an inclined support frame, the inclined support frame is placed on the ground, a secondary light gathering plate curve support rod, a rotating shaft connecting rod and an all-glass vacuum heat collecting tube end fixing support are fixedly connected onto the main supporting rotating shaft, the other end of the rotating shaft connecting rod is fixedly connected with the end part device of the secondary rotating shaft, and the secondary supporting rotating shaft is fixedly connected with a primary light gathering plate curve support rod; a plurality of secondary light collecting plate supporting cross frames are arranged on the secondary light collecting plate curve supporting rod, a plurality of heat pipe type vacuum heat collecting pipe fixing supports are fixedly connected to the uppermost and lowermost secondary light collecting plate supporting cross frames, and a plurality of secondary curve type two-dimensional compound parabolic light collecting plate supports are fixedly connected to the rest secondary light collecting plate supporting cross frames; be equipped with a plurality of elementary solar panel support crossbearers on the primary solar panel curve branch, adjustable support includes internal thread pipe, positive and negative silk threaded rod, internal thread pole down, and positive and negative silk threaded rod passes through threaded connection internal thread pipe and internal thread pole down, and the lower part of internal thread pipe is fixed on elementary solar panel support crossbearer down, and the last internal thread pipe upper portion of adjustable support is connected and is fixed elementary half compound parabolic solar panel.

5. The multi-dimensional combined adjustable CPC heat collecting device according to claim 1, wherein the axis of said curved heat pipe type evacuated collector tube is a segment of a compound parabolic curve.

6. The multi-dimensional combined adjustable CPC heat collecting device according to claim 4, wherein the secondary curved type two-dimensional compound parabolic concentrator plate bracket and the adjustable bracket are provided with magnetic blocks, and the primary semi-compound parabolic concentrator plate and the secondary curved type two-dimensional compound parabolic concentrator plate are provided with iron bars.

7. The multi-dimensional combined adjustable CPC heat collecting device according to claim 4, wherein the number of the secondary solar panel supporting cross frame and the primary solar panel supporting cross frame is 4-8, the number of the heat pipe type evacuated collector tube fixing brackets and the number of the secondary curved type two-dimensional compound parabolic solar panel brackets on each secondary solar panel supporting cross frame are 2-10, and the number of the adjustable brackets on each primary solar panel supporting cross frame is 2-10.