CN215638079U

CN215638079U - Light-gathering solar heat collector

Info

Publication number: CN215638079U
Application number: CN202122142605.2U
Authority: CN
Inventors: 梁君; 张荣广
Original assignee: Hebei Daorong New Energy Technology Co ltd Beijing Changping Branch; Hengshui Zhongye Solar Energy Technology Co ltd
Current assignee: Hebei Daorong New Energy Technology Co ltd Beijing Changping Branch; Hengshui Zhongye Solar Energy Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-25
Anticipated expiration: 2031-09-06

Abstract

The application discloses spotlight solar collector relates to the technical field that solar energy utilized. Comprises a column, a sun tracking system, a supporting frame and a heat collecting device; the support frame is provided with a counterweight device; when the sun tracking system drives the supporting frame, the plurality of groove type heat collecting modules and the counterweight device to rotate towards the sun direction, the center of gravity of the supporting frame, the plurality of groove type heat collecting modules and the counterweight device is integrally located on a rotating shaft of the sun tracking system. This application sets up the counter weight device on braced frame, has reduced braced frame's steel construction quantity greatly to the focus that makes the overall structure who is located braced frame, counter weight device and a plurality of slot type thermal-arrest module on the sun-chasing system falls in the pivot department of the sun-chasing system, and coincides with the axis of stand, has both improved the sun-chasing system and has tracked the holistic stability of solar energy operation in-process heat collector, has effectively improved the utilization ratio of solar energy again.

Description

Light-gathering solar heat collector

Technical Field

The application relates to the technical field of solar energy utilization, in particular to a concentrating solar heat collector.

Background

With the increasing environmental governance of China, clean heating and heat utilization are not clean energy sources no matter coal is changed into electricity or coal is changed into gas, and solar energy is the cleanest and pollution-free energy source. The traditional solar water heater has low heat collection efficiency and high disc solar heat collection efficiency, but the disc type reflector is a hyperboloid reflector, the manufacturing cost is too high, the groove type reflector is a single curved surface, and the manufacturing cost is much lower, so that the groove type solar water heater is more and more applied and is also the best choice for warming and heat utilization of residents.

The trough type solar heating technology is that a trough type condenser lens is used for focusing scattered sunlight onto a vacuum heat collector to generate high temperature. The solar automatic tracking control system is used for constantly tracking the movement track of the sun, working media (such as heat conducting media) in the vacuum heat collector are heated to 100-300 ℃ by utilizing high temperature generated by a focus, and a medium circulating pump is used for sending the heat conducting working media into the heat storage water tank to exchange heat with water in the heat storage water tank, so that the water temperature is raised by circulating heating.

However, the existing double-shaft type trough collector has large steel structure consumption, large energy consumption and power required by tracking drive, and the gravity center of the collector is easy to deviate in the tracking operation process, so that the utilization rate of solar light is reduced.

In view of the above-mentioned related art, the inventor believes that there is a disadvantage in that the collector tracking operation process is poor in stability.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of heat collector tracking operation in-process, improve the solar energy utilization ratio, this application provides a spotlight solar collector.

The application provides a spotlight solar collector adopts following technical scheme:

a concentrating solar heat collector comprises a stand column, a sun tracking system, a supporting frame and a heat collecting device;

the solar heat collecting device comprises a plurality of groove type heat collecting modules arranged at one end of the supporting frame, and the sun tracking system is arranged at the top of the upright post;

one end of the support frame, which is far away from the groove type heat collection module, is fixed on the sun tracking system, and a counterweight device is further arranged at one end of the support frame, which is far away from the groove type heat collection module;

when the sun tracking system drives the supporting frame, the plurality of groove type heat collecting modules and the counterweight device to rotate towards the sun direction, the center of gravity of the supporting frame, the plurality of groove type heat collecting modules and the counterweight device is integrally located on a rotating shaft of the sun tracking system.

By adopting the technical scheme, one end of the supporting frame, which is far away from the groove type heat collecting module, is provided with the counterweight device, the steel structure using amount of the supporting frame is greatly reduced, the gravity center of the integral structure of the supporting frame, the counterweight device and the plurality of groove type heat collecting modules, which is positioned on the sun tracking system, falls on the rotating shaft of the sun tracking system and coincides with the axis of the stand column, the integral stability of the heat collector in the sun tracking operation process of the sun tracking system is improved, and the utilization rate of solar energy is effectively improved.

Preferably, the sun tracking system comprises an azimuth angle adjusting mechanism and a pitch angle adjusting mechanism;

the azimuth angle adjusting mechanism is used for driving the groove type heat collecting module to rotate along the horizontal direction along with the solar illumination;

the pitch angle adjusting mechanism is used for driving the groove type heat collecting module to rotate along the vertical direction along with the solar illumination;

the sun tracking system further comprises a photosensitive controller which controls the azimuth angle adjusting mechanism and the pitch angle adjusting mechanism to move simultaneously.

By adopting the technical scheme, the photosensitive controller controls the pitch angle adjusting mechanism and the azimuth angle adjusting mechanism to adjust the angle according to the movement of the sun and the change of the illumination angle of the sun, so that the groove type heat collecting module fixed on the supporting frame is always aligned to the sunlight.

Preferably, the azimuth angle adjusting mechanism comprises a first rotary speed reducer and a transition plate;

the rotary support on the first rotary speed reducer is coaxially arranged with the upright post, and the transition plate is fixed on an inner ring of the rotary support on the first rotary speed reducer;

the pitch angle adjusting mechanism comprises a second rotary speed reducer fixed on the transition plate, and the axis direction of a rotary support of the second rotary speed reducer is perpendicular to the axis direction of the stand column;

the pitch angle adjusting mechanism further comprises a rotating assembly for connecting the support frame.

By adopting the technical scheme, the azimuth angle adjusting mechanism adopts the rotary speed reducer arranged along the horizontal direction to drive the groove type heat collecting module to rotate along the horizontal direction, and the pitch angle adjusting mechanism adopts the rotary speed reducer arranged along the vertical direction to drive the groove type heat collecting module to rotate along the vertical direction; and the rotary speed reducer integrates the functions of rotation, speed reduction and driving, and has simple structure and convenient manufacture and maintenance.

Preferably, the rotating assembly comprises a connecting shaft fixedly connected with a rotating support inner ring of the second rotating speed reducer;

the rotating assembly further comprises a connecting support, the connecting support is U-shaped, and two free ends of the connecting support are fixedly connected with two ends of the connecting shaft respectively; the support frame is fixed on the connecting part of the connecting bracket.

Through adopting above-mentioned technical scheme, start second rotary reducer, second rotary reducer inner circle drives the connecting axle and rotates in vertical direction, follows the connecting axle between the connection and rotates, and braced frame is fixed in on the connecting portion of linking bridge, and then realizes braced frame along the rotation of vertical direction.

Preferably, the support frame comprises a main frame, and the main frame is a rectangular frame;

the supporting frame further comprises two reinforcing rods which are fixed in the main frame in a crossed mode, and the crossed point of the two reinforcing rods passes through the center point of the main frame.

Through adopting above-mentioned technical scheme, the main frame intercrossing sets up the stiffener, has effectively improved braced frame's intensity, and the intersect of two stiffeners has further improved braced frame's stability through the central point setting of main frame moreover.

Preferably, the counterweight devices are arranged into two groups, and the two groups of counterweight devices are respectively and symmetrically arranged at two ends of the main frame in the length direction;

the counterweight device comprises two counterweight rods which are symmetrically fixed at two ends of the main frame in the width direction respectively; a counterweight block is fixedly connected between the two counterweight rods;

the connecting line of the two balancing weights in the two groups of balancing weights is arranged along the center line in the width direction of the main frame.

By adopting the technical scheme, the two groups of counterweight devices are symmetrically arranged on the main frame, so that the gravity center of the integral structure of the supporting frame, the counterweight devices and the plurality of groove type heat collection modules falls on the rotating shaft of the sun tracking system and coincides with the axis of the upright post.

Preferably, the plurality of groove type heat collecting modules are arranged on the supporting frame in parallel.

By adopting the technical scheme, the plurality of groove type heat collecting modules are arranged in parallel, so that the utilization rate of the solar energy by the heat collecting device is increased.

Preferably, the number of the groove type heat collecting modules is eight, the eight groove type heat collecting modules are arranged in parallel in two-parallel-four rows, and each four groove type heat collecting modules are arranged in two groups;

and a jumper pipe is communicated between the two groups of groove type heat collecting modules, the jumper pipe is V-shaped, and the bottom of the jumper pipe is fixedly connected with the main supporting frame.

By adopting the technical scheme, the two groups of groove type heat collecting modules are communicated through the jumper tube, so that the synchronism between the two groups of groove type heat collecting modules is improved; the jumper tube is V-shaped, and the bottom of the jumper tube is fixedly connected with the support frame, so that the stability between the groove type heat collection module and the support frame is further improved.

Preferably, the trough type heat collecting device comprises a trough type paraboloid support fixed on the supporting frame row, a reflector fixed on the trough type paraboloid support and a heat collecting pipe arranged on the axis of the reflector; the heat collecting pipe is connected with a connecting hose;

the stand is last fixedly connected with swivel joint, swivel joint's one end and coupling hose intercommunication set up, swivel joint deviates from coupling hose's one end and is fixed in the fixed pipeline connection in the ground.

Through adopting above-mentioned technical scheme, the junction between coupling hose and the fixed pipeline sets up rotary joint, has effectively reduced fluid medium's pipeline on-the-way resistance, reduces coupling hose simultaneously and appears the risk of damaged leakage.

Preferably, the upright post is provided with a lightning protection device.

Through adopting above-mentioned technical scheme, set up the lightning protection device on the stand, effectively prevented the harm that lightning stroke electromagnetic pulse probably caused the heat collector.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the counterweight device is arranged at one end of the support frame, which is far away from the groove type heat collecting module, so that the using amount of a steel structure of the support frame is greatly reduced, the gravity center of the integral structure of the support frame, the counterweight device and the groove type heat collecting modules, which are positioned on the sun tracking system, is positioned at the rotating shaft of the sun tracking system and is superposed with the axis of the upright post, the integral stability of the heat collector in the sun tracking operation process of the sun tracking system is improved, and the utilization rate of solar energy is effectively improved;

2. the azimuth angle adjusting mechanism adopts a rotary speed reducer arranged along the horizontal direction to drive the groove type heat collecting module to rotate along the horizontal direction, and the pitch angle adjusting mechanism adopts a rotary speed reducer arranged along the vertical direction to drive the groove type heat collecting module to rotate along the vertical direction; the rotary speed reducer integrates the functions of rotation, speed reduction and driving, and has simple structure and convenient manufacture and maintenance;

3. the groove type heat collecting modules are arranged in a plurality of parallel, which is beneficial to increasing the utilization rate of the heat collecting device to solar energy.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram showing a connection relationship between the sun tracking system and the support frame in the embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a top view showing parallel arrangement of the trough type heat collecting modules in the embodiment of the present application.

Description of reference numerals: 1. a support base; 11. a column; 12. a support ear; 13. a rotary joint; 14. an electrical cabinet; 2. a sun tracking system; 21. a pitch angle adjusting mechanism; 211. a first slewing type speed reducer; 212. a transition plate; 22. an azimuth adjusting mechanism; 221. a second rotary type speed reducer; 222. a rotating assembly; 2221. a connecting shaft; 2222. connecting a bracket; 3. a support frame; 31. a main frame; 32. a reinforcing bar; 4. a counterweight device; 41. a weight lever; 42. a balancing weight; 5. a heat collection device; 51. a trough heat collection module; 511. a trough parabolic shelf; 512. a mirror; 513. a heat collecting pipe; 52. a connecting hose; 53. a pipeline support; 54. a jumper tube; 6. a lightning protection device; 61. a lightning arrester; 62. and a ground lead.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a light-gathering solar heat collector.

Examples

Referring to fig. 1, the concentrating solar heat collector comprises a supporting base 1, wherein a vertical column 11 is fixedly connected to the supporting base 1, a sun tracking system 2 is coaxially arranged at the top of the vertical column 11, a supporting frame 3 is arranged on the sun tracking system 2, and a counterweight device 4 is arranged at one end, facing the vertical column 11, of the supporting frame 3; still include heat collection device 5, heat collection device 5 includes total controller and a plurality of slot type thermal-arrest module 51 that set up on braced frame 3, and a plurality of slot type thermal-arrest module 51 all set up in the one end that braced frame 3 deviates from stand 11.

Under the action of the sun tracking system 2, the supporting frame 3 tracks the sun to rotate, so that the groove type heat collecting module 51 always faces the sunlight, and the utilization rate of the groove type heat collecting module 51 to the solar energy is improved; and the one end that braced frame 3 deviates from slot type thermal-arrest module 51 sets up counter weight device 4, has reduced braced frame 3's steel construction quantity greatly, and the focus that makes the overall structure (braced frame 3, counter weight device 4 and a plurality of slot type thermal-arrest module 51) that is located on the system 2 of pursuing one's day falls in the pivot department of the system 2 of pursuing one's day to coincide with the axis of stand 11, both improved the holistic stability of the system 2 of pursuing one's day of pursuing tracking the sun operation in-process heat collector, effectively improved the utilization ratio of solar energy again.

Referring to fig. 1, a support base 1 is a rectangular block, and the support base 1 is fixed on the ground. The stand 11 is circular pole, and stand 11 bolt fastening is in the one end that supports base 1 and deviate from ground to the axis direction of stand 11 sets up along vertical direction.

Referring to fig. 2 and 3, the sun tracking system 2 includes a pitch angle adjusting mechanism 21 and an azimuth angle adjusting mechanism 22, and further includes a photosensitive controller for simultaneously controlling the pitch angle adjusting mechanism 21 and the azimuth angle adjusting mechanism 22.

The azimuth angle adjusting mechanism 22 is used for driving the groove type heat collecting module 51 to rotate along the horizontal direction along with the solar illumination, the azimuth angle adjusting mechanism 22 comprises a first rotary speed reducer 211 fixed on the top of the upright post 11, a rotary support of the first rotary speed reducer 211 is coaxially arranged with the upright post 11, and an outer ring of the rotary support of the first rotary speed reducer 211 is fixedly connected with the upright post; the inner ring of the rotation support of the first rotation type speed reducer 211 is fixedly connected with a transition plate 212, and the transition plate 212 is arranged along the horizontal direction.

The pitch angle adjusting mechanism 21 is used for driving the groove type heat collecting module 51 to rotate along the vertical direction along with the solar illumination, the pitch angle adjusting mechanism 21 comprises a second rotary speed reducer 221 fixed on the transition plate 212, the axial direction of a rotary support of the second rotary speed reducer 221 is perpendicular to the axial direction of the upright post 11, and the outer ring of the rotary support of the second rotary speed reducer 221 is fixedly connected with the transition plate 212. The light sensing controller is fixed on the upright post 11, and when detecting that the illumination angle of the sun changes, the light sensing controller controls the pitch angle adjusting mechanism 21 and the azimuth angle adjusting mechanism 22 to rotate at the same time, so that the sunlight is ensured to be vertically incident on the groove type heat collecting module 51 all the time.

The supporting frame 3 includes a main frame 31, the main frame 31 is a rectangular frame, two reinforcing rods 32 are fixed in the main frame 31 in a crossed manner, and the crossing point of the two reinforcing rods 32 is set through the center point of the main frame 31. A rotating assembly 222 is arranged between the support frame 3 and the second rotary speed reducer 221, and the rotating assembly 222 includes a connecting shaft 2221 coaxially and fixedly connected to the rotary support inner ring of the second rotary speed reducer 221; the rotating assembly 222 further includes a connecting bracket 2222 fixedly connected to two ends of the connecting shaft 2221, the connecting bracket 2222 is a U-shaped frame, two free ends of the connecting bracket 2222 are fixedly connected to two ends of the connecting shaft 2221, respectively, and the crossing portion of the two reinforcing rods 32 is fixedly connected to the connecting portion of the connecting bracket 2222.

Referring to fig. 1 and 4, eight trough-type heat collecting modules 51 are provided, eight trough-type heat collecting modules 51 are arranged in parallel in four rows, every two trough-type heat collecting modules 51 are arranged in two groups, two groups of trough-type heat collecting modules 51 are arranged on two sides of the main frame 31 in the length direction, and four trough-type heat collecting modules 51 in each group are arranged along the length direction of the main frame 31 in sequence.

Each trough type heat collecting module 51 comprises a trough type parabolic support 511, the trough type parabolic support 511 is fixed at one end of the main frame 31, which is far away from the upright post 11, two coaxially arranged reflectors 512 are fixedly connected to the trough type parabolic support 511, and the reflectors 512 are arc-shaped.

The two long sides of the main frame 31 corresponding to the two sets of trough-type heat collecting modules 51 are fixedly connected with pipeline supports 53, each trough-type heat collecting module 51 comprises a heat collecting pipe 513, the four heat collecting pipes 513 in the same set of trough-type heat collecting modules 51 are fixed on the pipeline supports 53 at the corresponding positions, the heat collecting pipes 513 are located on the focal axis of the reflector 512, and the four heat collecting pipes 513 in the same set of trough-type heat collecting modules 51 are communicated with each other.

Both ends of the main frame 31 in the width direction are fixedly connected with jumper tubes 54, the jumper tubes 54 are V-shaped tubes, the bottom ends of the jumper tubes 54 are fixed on the main frame 31, and both ends of the jumper tubes 54 are respectively communicated with the heat collecting tubes 513 on the two groups of groove type heat collecting modules 51.

The number of the groove type heat collecting modules 51 is eight, and the eight groove type heat collecting modules 51 are arranged in parallel in two, four and four rows, so that the sunlight absorbing area of the heat collecting device 5 is increased, the equipment cost per unit area is reduced, and the specific length of a non-heat collecting pipeline is effectively reduced.

Referring to fig. 1, two supporting lugs 12 are fixedly connected to the side wall of the upright post 11, a rotary joint 13 is fixedly connected to each supporting lug 12, a connection hose 52 is correspondingly arranged on each rotary joint 13, the connection hose 52 is a corrugated pipe, one end of the connection hose 52 is communicated with a heat collecting pipe 513, and the other end of the connection hose 52 is fixedly connected to the rotary joint 13. The end of the swivel joint 13 facing away from the connecting hose 52 is arranged in communication with a fixed pipe fixed in the ground.

The electrical cabinet 14 is fixedly connected to the side wall of the upright post 11, and the master controller is fixed in the electrical cabinet 14. A power distribution cabinet for supplying power to the pitch angle adjusting mechanism 21 and the azimuth angle adjusting mechanism 22 is further arranged in the electrical cabinet 14.

The bottom of the upright post 11 is provided with a lightning protection device 6, and the lightning protection device 6 comprises a lightning arrester 61 and a grounding wire 62; the lightning arrester 61 is fixed on the upright post 11, one end of the grounding wire 62 is fixedly connected with the lightning arrester 61, and the other end of the grounding wire 62 is connected to the ground.

Referring to fig. 4, the counterweight devices 4 are provided in two sets, and the two sets of counterweight devices 4 are symmetrically provided at both ends of the main frame 31 in the longitudinal direction with respect to the axial direction of the column 11. The counterweight device 4 includes two counterweight rods 41, the two counterweight rods 41 are respectively fixed at two ends of the main frame 31 in the width direction, and a counterweight 42 is fixedly connected to one end of each of the two counterweight rods 41 departing from the main frame 31. The line connecting the two counter weights 42 in the two sets of counter weight devices 4 passes through the center line in the width direction of the main frame 31.

The implementation principle of the above embodiment is as follows:

the light sensing controller controls the pitch angle adjusting mechanism 21 and the azimuth angle adjusting mechanism 22 to adjust the angle according to the movement of the sun and the change of the illumination angle of the sun, so that the reflector 512 fixed on the supporting frame 3 is always aligned with the sunlight, and the sunlight vertically irradiates the reflector 512 and then is vertically reflected to the heat collecting tube 513 through the reflector 512.

One end of the supporting frame 3 deviating from the groove type heat collecting module 51 is provided with the counterweight device 4, the steel structure using amount of the supporting frame 3 is greatly reduced, the gravity center of the integral structure (the supporting frame 3, the counterweight device 4 and the groove type heat collecting modules 51) on the sun tracking system 2 is located at the rotating shaft of the sun tracking system 2 and is coincided with the axis of the stand column 11, the integral stability of the sun tracking system 2 in tracking the solar operation process of the heat collector is improved, and the utilization rate of solar energy is effectively improved.

The fixed pipeline is connected with the connecting hose 52 through the rotary joint 13, so that the risks of pressure drop along the way and damage and leakage of the connecting hose 52 in the process that the sun tracking system 2 drives the supporting frame 3 to track the sun are effectively reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concentrating solar collector, characterized by: comprises a column (11), a sun tracking system (2), a supporting frame (3) and a heat collecting device (5);

the heat collecting device (5) comprises a plurality of groove type heat collecting modules (51) arranged at one end of the supporting frame (3), and the sun tracking system (2) is arranged at the top of the upright post (11);

one end of the support frame (3) departing from the groove type heat collecting module (51) is fixed on the sun tracking system (2), and a counterweight device (4) is further arranged at one end of the support frame (3) departing from the groove type heat collecting module (51);

when the sun tracking system (2) drives the supporting frame (3), the plurality of groove type heat collecting modules (51) and the counterweight device (4) to rotate towards the sun direction, the integral gravity center of the supporting frame (3), the plurality of groove type heat collecting modules (51) and the counterweight device (4) falls on a rotating shaft of the sun tracking system (2).

2. A concentrating solar collector according to claim 1, wherein: the sun tracking system (2) comprises an azimuth angle adjusting mechanism (22) and a pitch angle adjusting mechanism (21);

the azimuth angle adjusting mechanism (22) is used for driving the groove type heat collecting module (51) to rotate along the horizontal direction along with the solar illumination;

the pitch angle adjusting mechanism (21) is used for driving the groove type heat collecting module (51) to rotate along the vertical direction along with the solar illumination;

the sun tracking system (2) further comprises a photosensitive controller which controls the azimuth angle adjusting mechanism (22) and the pitch angle adjusting mechanism (21) to move simultaneously.

3. A concentrating solar collector according to claim 2, wherein: the azimuth angle adjusting mechanism (22) comprises a first rotary speed reducer (211) and a transition plate (212);

a rotary support on the first rotary speed reducer (211) is coaxially arranged with the upright post (11), and the transition plate (212) is fixed on an inner ring of the rotary support on the first rotary speed reducer (211);

the pitch angle adjusting mechanism (21) comprises a second rotary speed reducer fixed on the transition plate (212), and the axial direction of a rotary support of the second rotary speed reducer is perpendicular to the axial direction of the upright post (11);

the pitch angle adjusting mechanism (21) further comprises a rotating assembly (222) for connecting the support frame (3).

4. A concentrating solar collector according to claim 3, wherein: the rotating assembly (222) comprises a connecting shaft (2221) fixedly connected with a rotary support inner ring of the second rotary speed reducer;

the rotating assembly (222) further comprises a connecting support (2222), the connecting support (2222) is U-shaped, and two free ends of the connecting support (2222) are fixedly connected with two ends of the connecting shaft (2221) respectively; the supporting frame (3) is fixed on the connecting part of the connecting bracket (2222).

5. A concentrating solar collector according to claim 1, wherein: the supporting frame (3) comprises a main frame (31), and the main frame (31) is a rectangular frame;

the supporting frame (3) further comprises two reinforcing rods (32) which are fixed in the main frame (31) in a crossed mode, and the crossed point of the two reinforcing rods (32) passes through the center point of the main frame (31).

6. A concentrating solar collector according to claim 5, wherein: the counterweight devices (4) are arranged into two groups, and the two groups of counterweight devices (4) are respectively and symmetrically arranged at two ends of the main frame (31) in the length direction;

the counterweight device (4) comprises two counterweight rods (41), and the two counterweight rods (41) are symmetrically fixed at two ends of the main frame (31) in the width direction respectively; a counterweight block (42) is fixedly connected between the two counterweight rods (41);

the connecting line of the two balancing weights (42) in the two groups of balancing weight devices (4) is arranged along the center line of the main frame (31) in the width direction.

7. A concentrating solar collector according to claim 1, wherein: the groove type heat collecting modules (51) are arranged in a plurality, and the groove type heat collecting modules (51) are arranged on the supporting frame (3) in parallel.

8. A concentrating solar collector according to claim 7, wherein: the number of the groove type heat collecting modules (51) is eight, the eight groove type heat collecting modules (51) are arranged in parallel in two-parallel-four rows, and each two-parallel-four groove type heat collecting modules (51) are arranged into two groups;

and jumper tubes (54) are communicated between the two groups of groove type heat collecting modules (51), the jumper tubes (54) are V-shaped, and the bottoms of the jumper tubes (54) are fixedly connected with the main supporting frame (3).

9. A concentrating solar collector according to claim 1, wherein: the trough type heat collecting device (5) comprises a trough type paraboloid support (511) fixed on the row of the supporting frame (3), a reflector (512) fixed on the trough type paraboloid support (511) and a heat collecting pipe (513) arranged on the axis of the reflector (512); the heat collecting pipe (513) is connected with a connecting hose (52);

fixed connection has rotary joint (13) on stand (11), the one end and coupling hose (52) intercommunication setting of rotary joint (13), rotary joint (13) deviate from coupling hose (52) one end and be fixed in the fixed pipeline connection in the ground.

10. A concentrating solar collector according to claim 1, wherein: and the upright post (11) is provided with a lightning protection device (6).