Double-shaft single-groove solar heat collector and groove type solar heat collecting system

Abstract

The utility model discloses a double-shaft single-groove solar heat collector and a groove type solar heat collecting system, and belongs to the technical field of solar heat collectors. The solar heat collection device comprises a reflector, a heat collection mechanism and a supporting mechanism, the supporting mechanism is connected with a rotary mechanism, the rotary mechanism drives the reflector to act, the heat collection mechanism comprises a heat collection pipe, the rotary mechanism is connected with the reflector, and the rotary mechanism comprises a rotary driving part and a rotary supporting bearing; the rotary driving part is arranged at the upper end of the supporting mechanism through a rotary supporting frame, the rotary driving part comprises a horizontal rotary driving part and a pitching rotary driving part, and the rotary mechanism drives the reflecting mirror to track the azimuth angle and adjust the pitching angle. The device is simple in structure, simplified in system, small in occupied area and good in stability, sunlight can always irradiate on the reflecting mirror through the action of the horizontal rotation driving part and the pitching rotation driving part, the light gathering efficiency is improved, the gravity center of the device structure is stable, and the wind resistance level of the device is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of solar energy collector, more particularly, relate to a kind of double-shaft single-slot solar energy collector and trough type solar energy heat-collecting system. BACKGROUND

[0002] Trough collector is a kind of light heat conversion mode, through focusing, reflection and absorption process realizes the conversion of light energy to heat energy, so that heat exchange medium reaches certain temperature, to meet the needs of different load heat collection device.Trough collector belongs to the category of medium-high temperature collector, can make heat exchange medium obtain relatively high temperature, can be used to thermal power generation, seawater desalination, heating engineering, absorption refrigeration and other life and production fields.Trough collector occupies dominant position in solar energy utilization system, it provides heat source for system, and its efficiency and investment cost will affect the efficiency and economy of the entire heat collection system.

[0003] The existing trough type solar energy collector is provided with a heat collecting unit composed of a reflector and the like on the upper end of a support shaft, and the heat collecting unit moves horizontally or vertically on the upper end of the support shaft, so that the gravity center position of the collector changes with the movement of the heat collecting unit, resulting in poor stability of the collector, especially under the influence of adverse weather such as strong wind, the wind resistance of the solar energy collector is poor, and the equipment is easily damaged;the existing technology generally increases the wind resistance of the solar energy collector by increasing relevant wind-resistant structures, resulting in a complex structure, high cost and inconvenient operation of the solar energy collector, which is not conducive to popularization and application.Furthermore, the existing single-shaft trough type solar energy collector can only rotate in a fixed single direction, cannot rotate in all directions, and has low light condensing efficiency. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of double-shaft single-slot solar energy collector and trough type solar energy heat-collecting system to the technical problem existing in prior art.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A kind of double-shaft single-slot solar energy collector, including reflector, heat collecting mechanism, support mechanism, support mechanism is connected with rotary mechanism, rotary mechanism drives reflector action, heat collecting mechanism includes heat collecting pipe, rotary mechanism is connected with reflector, rotary mechanism includes rotary drive part and rotary support bearing;Rotary drive part is set on the upper end of support mechanism by rotary support frame, rotary drive part includes horizontal rotary drive part and pitch rotary drive part, rotary mechanism drives reflector to carry out azimuth angle tracking and pitch angle adjustment.

[0007] Preferably, the support mechanism includes a support column and a support beam, the support column is vertically arranged, the bottom of the support column is provided with a mounting base, and the upper end of the support column is connected with the horizontal rotary drive part.

[0008] The support cross beam is arranged at the upper end of the support column and is horizontally arranged, the support column is arranged in the vertical direction of the center of the support cross beam, the support cross beam is internally hollow, and a counterweight is arranged in the hollow structure of the support cross beam.

[0009] Preferably, the lower end of the rotary support frame is connected with the support column through a horizontal rotary driving part, the upper end of the rotary support frame is connected with the support cross beam, the rotary support frame and the support cross beam are synchronous, and the middle part of the rotary support frame is provided with a horizontally arranged support sleeve.

[0010] Preferably, the horizontal rotary driving part comprises a rotary speed reducer, the rotary speed reducer is connected with a rotary support bearing, and the rotary speed reducer is fixedly arranged on the base of the rotary support bearing through a mounting structure; the rotary speed reducer is provided with a power source, the output end of the rotary speed reducer is provided with a speed reduction mechanism, the speed reduction mechanism is a worm and gear assembly or a planetary gear assembly, the speed reduction mechanism is meshed and connected with the rotary support bearing, and torque output is realized.

[0011] Preferably, the pitching rotary driving part comprises an electric push rod, the electric push rod is connected with the support cross beam through a push rod support, the output end of the electric push rod is movably hinged with the rotary support frame, and the electric push rod is movably hinged with the push rod support.

[0012] Preferably, the heat collecting pipe is arranged at the parabolic center focal point of the front surface of the reflector through a heat collecting pipe support, the heat collecting pipe is a double-layer vacuum structure, the heat collecting pipe is provided with a working medium, and the working medium flows in the heat collecting pipe to absorb heat.

[0013] Preferably, the reflector is a parabolic groove type mirror surface, the reflector is composed of a plurality of adjustable arc plates, and the non-working surface of the reflector is arranged on the support cross beam of the support mechanism through a plurality of lens supports.

[0014] Preferably, the control system is further provided with a control unit and a sun tracking sensor, the sun tracking sensor monitors the position and deviation of the sun in real time, the control unit is triggered to dynamically correct the driving instruction when the deviation exceeds a set value, the rotary mechanism is controlled to act, and the position of the reflector is adjusted.

[0015] The control system is provided with a night resetting system and a temperature control system, the night resetting system is used for realizing the night resetting of the reflector to the upright state, and the temperature control system is used for realizing high-temperature protection.

[0016] Further, the utility model also provides a groove type solar heat collecting system, including two axle single groove solar heat collector, solar heat collector is provided with a plurality of, and a plurality of solar heat collector series connection or parallel connection is arranged, constitutes heat collecting mirror field.

[0017] The heat collecting pipe is connected with a steam hot water system, and the steam hot water system comprises a steam tank, a steam pipeline and a driving mechanism.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] The utility model discloses simple structure, equipment cost is lower, installation and debugging are fast, and stability is good, and the horizontal rotation drive part and the pitch rotation drive part change the adjustment of the horizontal square azimuth angle and the pitch height angle of mirror, so that the mirror can be adjusted in real time according to the rotation of the sun, and the heat collecting tube is heated through the mirror, and is used for external system. The utility model changes the single-axis solar energy only fixed single direction rotation's disadvantage, realizes the all -round automatic tracking rotation of solar energy, can maximize absorption solar energy in all seasons, and the heat -collecting efficiency is high. Moreover, the equipment structure gravity center is stable, the equipment wind resistance grade is high, and the tracking precision is not influenced by external weather. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor intensity.

[0021] Figure 1 It is the front view structural schematic diagram of the heat collector embodiment of the utility model;

[0022] Figure 2 It is the side view structural schematic diagram of the heat collector embodiment of the utility model;

[0023] Figure 3 It is the structural schematic diagram of the rotary support frame embodiment of the utility model;

[0024] Figure 4 It is the partial structural schematic diagram of the rotary mechanism embodiment of the utility model;

[0025] Figure 5 It is the layout schematic diagram of the heat collecting mirror field embodiment of the utility model.

[0026] Mark explanation in drawing:

[0027] 1, mirror;2, heat collecting pipe;3, support mechanism;31, support column;32, support crossbeam;33, installation base;4, rotary mechanism;41, rotary support bearing;42, rotary support frame;43, rotary speed reducer;44, electric push rod;45, push rod support;46, connecting plate;5, lens support;6, heat collecting pipe support;7, heat collecting mirror field. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application more clear and explicit, the following will further describe the double-shaft single-slot solar collector and the trough solar heat collecting system provided by the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0029] Embodiment 1

[0030] Please refer to Figure 1 The utility model discloses a double-shaft single-slot solar collector, including reflector 1, heat collecting mechanism, support mechanism 3, be connected with slewing mechanism 4 on support mechanism 3, slewing mechanism 4 drives reflector 1 action, heat collecting mechanism includes heat collecting pipe 2, and slewing mechanism 4 is connected with reflector 1, and slewing mechanism 4 includes slewing drive part and slewing support bearing 41;Slewing drive part is set up on the upper end of support mechanism 3 through slewing support frame 42, and slewing drive part includes horizontal slewing drive part and pitch slewing drive part, and slewing mechanism 4 drives reflector 1 to carry out azimuth angle tracking and pitch angle adjustment.

[0031] The utility model discloses simple structure, equipment cost is lower, installation debugging is fast, and stability is good, and the horizontal slewing drive part and the pitch slewing drive part are used to carry out the change adjustment of the horizontal azimuth angle and the pitch height angle of reflector, so that reflector 1 can be adjusted in real time according to the rotation of the sun, and the heat collecting pipe 2 is heated in reflector 1, which is used for external system. The utility model changes the disadvantage that traditional single-shaft solar energy can only rotate in a single direction, realizes the automatic tracking rotation of solar energy in all directions, can maximize the absorption of solar energy in all seasons, and has high heat collecting efficiency. Moreover, the equipment structure gravity center is stable, the equipment wind resistance grade is high, and the tracking precision is not affected by external weather.

[0032] In the embodiment, as shown in Figure 1 , Figure 2 The support mechanism 3 includes a support column 31 and a support beam 32, the support column 31 is vertically arranged, the bottom of the support column 31 is provided with a mounting base 33, and the upper end of the support column 31 is connected with the horizontal slewing drive part.

[0033] Specifically, the support column 31 is in a cylindrical structure, which is convenient to install and has strong installation adaptability through the mounting base 33; the support beam 32 is arranged at the upper end of the support column 31 and is horizontally arranged, and the support column 31 is vertically arranged at the center of the support beam 32.

[0034] In the embodiment, the support beam 32 is in a square structure and is hollow inside, and the hollow structure of the support beam 32 is provided with a counterweight, so as to conveniently adjust the equipment gravity center and maintain the stability of the equipment.

[0035] The mirror 1 is arranged on the support beam 32, the length of the support beam 32 is matched with the transverse length of the mirror 1 connected on the heat collector, the size and position of the support column 31 and the support beam 32 are set, the axial extension line of the support column 31 intersects with the center of the support beam 32, the center of gravity of the whole device is ensured to be always on the support column 31, the stability and wind resistance level of the device are increased, and the service life of the device is prolonged.

[0036] In the embodiment, the specific size and shape of the support column 31 and the support beam 32 can be adjusted according to actual heat collection requirements and applicable scene changes.

[0037] In the embodiment, as shown in Figure 2 , Figure 3 , the rotary support frame 42 is arranged on the upper end of the support column 31, the rotary support frame 42 rotates around the center of the upper end of the support column 31, the rotary support frame 42 is an L-shaped bent plate beam support structure, the lower end of the rotary support frame 42 is connected with the upper end of the support column 31 through a horizontal rotary drive part, under the action of the horizontal rotary drive part, the rotary support frame 42 can rotate horizontally, the upper end of the rotary support frame 42 is fixedly connected with the support beam 32 through a connecting plate 46, the support beam 32 and the rotary support frame 42 move synchronously, so that the support beam 42 can drive the mirror 1 to rotate synchronously with the rotary support frame 42.

[0038] The connecting plate 46 is a plate structure, one end of the connecting plate 46 is connected with the rotary support frame 42, the other end of the connecting plate 46 is provided with a connecting port matched with the support beam 32, the upper end of the rotary support frame 42 is fixedly connected with the support beam 32 through the connecting plate 46 on the left and right sides, and the connection is firm.

[0039] Further, a support sleeve is arranged in the middle of the rotary support frame 42, a support space is arranged in the support sleeve, and the support space provides a support space for the connecting pipeline arranged on the heat collector.

[0040] In the embodiment, as shown in Figure 1 , Figure 4 , the horizontal rotary drive part includes a rotary speed reducer 43, the rotary speed reducer 43 is connected with a rotary support bearing 41, the rotary support bearing 41 is arranged on the upper end of the support column 31, a base is connected on the rotary support bearing 41, the rotary speed reducer 43 is fixedly connected on the base of the rotary support bearing 41 through a mounting structure, the rotary support frame 42 is connected with the rotary support bearing 41, the rotary speed reducer 43 drives the rotary support bearing 41 to rotate, and then drives the rotary support frame 42 above to rotate horizontally, so that the mirror 1 rotates horizontally, the control is accurate, and the rotation precision is high.

[0041] Specifically, the slewing reducer 43 is fixed on the base of the slewing support bearing 41 through a flange or a bolt, stability of power transmission is ensured, the slewing reducer 43 is provided with a power source, the power source is a motor or a hydraulic motor, an output end of the slewing reducer 43 is provided with a speed reduction mechanism, the speed reduction mechanism is used for reducing the rotating speed and increasing the torque, the speed reduction mechanism is a worm and gear assembly or a planetary gear assembly, the speed reduction mechanism is in meshing connection with the slewing support bearing 41, and torque output is realized.

[0042] The slewing reducer 43 realizes high speed reduction ratio through multi-stage gear transmission, converts high-speed low-torque input into low-speed high-torque output, meets the heavy load slewing requirement, and is stable in driving.

[0043] The horizontal slewing drive of the embodiment integrates the slewing reducer 43, the slewing support bearing 41 and the power source, is compact in structure, simplifies main machine design and reduces installation complexity, supports quick replacement of accessories through modular design, and is suitable for harsh working conditions.

[0044] The utility model discloses a sun azimuth angle gamma is calculated through astronomical algorithm, and the slewing reducer 43 drives the rotation of the worm and gear, and all-weather horizontal tracking is realized.

[0045] As shown in Figure 4 As shown in

[0046] Specifically, the electric push rod 44 is a heavy-duty high-precision electric push rod structure, has a large pushing and pulling force, meets stable adjustment of the pitch angle, is stable in driving, can effectively improve the wind resistance grade of the equipment, can normally operate below eight-grade wind, and the tracking precision is not affected. The output end of the electric push rod 44 is hingedly connected with the upper end of the slewing support frame 42, the middle part of the electric push rod 44 is hingedly connected with the center of the push rod support 45, so that, under the driving action of the electric push rod 44, the support cross beam 32 is driven to pitch and rotate, the pitch angle of the reflector is adjusted, and solar tracking operation is carried out.

[0047] Further, in the embodiment, the end hinge point of the push rod support 45 is additionally provided with a swing allowance of ±5°, which can improve the adaptability of the system to dynamic load. The tilt rotation driving part is further provided with an inclination sensor or an encoder, which can realize real-time feedback of the angle and accurate adjustment of the tilt inclination angle in cooperation with the control.

[0048] Further, a strain gauge torque sensor is installed at the root of the push rod support 45, which can monitor the torque and provide overload protection. When the actual load torque exceeds the set threshold, the emergency stop and alarm are triggered to prevent damage to the mechanical structure.

[0049] Further, in addition to the electric push rod, the tilt rotation driving part can also use a reduction motor and a supporting reduction machine to cooperate with the action to adjust the angle of the mirror. The tilt angle is adjusted by driving the supporting reduction machine as a power transmission component through the reduction motor.

[0050] In the embodiment, the rotating part is provided with a rotating joint required for rotating drive. The rotating joint can be adapted and set according to the actual connection and use requirements and the rotating needs of the component. Stable rotation transmission is realized through the cooperation between the components. The connection relationship between the components can be fixedly connected as required, which can be fixedly connected by bolts and nuts or welded. Meanwhile, other fixed connection modes can also be selected. Meanwhile, the power transmission component of the rotating structure can also be other structures that can realize transmission, which realizes the drive of the mirror through the driving component.

[0051] Further, the rotating support frame 42 is movably connected to the upper end of the supporting column 31, which drives the rotating part to rotate around the center of the upper end of the supporting column 31. Since the horizontal rotation part and the tilt rotation part are adjusted around the center of the upper end of the supporting column 31, and the center of the supporting beam 32 is also arranged at the upper end of the supporting column 31, the center of gravity of the rotating mechanism 4 falls on the center position of the upper end of the supporting column 31, which is stable and has high wind resistance. Moreover, the electric push rod 44 is connected to the supporting beam 32 through the push rod support 45, and the center of the electric push rod 44 is arranged at the center position of the supporting beam 32. The electric push rod 44 can drive the supporting beam 32 to tilt, which drives the mirror 1 to adjust the tilt angle under the action of the driving component.

[0052] In the embodiment, as shown in FIG. 1, Figure 1 , Figure 4As shown, the reflector 1 is a parabolic trough mirror structure, the non-working surface of the reflector 1 is arranged on the support cross beam 32 through a plurality of mirror supports 5, the reflector 1 and the mirror support 5 are both provided with two groups and are symmetrically arranged on the left and right sides of the support column 31, the stability of the gravity center of the collector is realized, so that when the reflector is adjusted in real time according to the rotation of the sun, the gravity center of the equipment always falls on the center of the support cross beam 32, that is, the center position of the upper end of the support column 31, the overall equipment stability of the collector is good, and the wind resistance level is high.

[0053] Specifically, the reflector 1 is composed of a plurality of adjustable arc plates, the non-working surface of the reflector 1 is supported and connected with a plurality of mirror supports 5, the mirror support 5 is fixedly connected with the support cross beam 32, and the axial center of the support cross beam 32 is connected with the mirror support 5, and the reflector 1 moves synchronously with the support cross beam 32 through the mirror support 5.

[0054] Further, the bottom end of the parabolic surface of the reflector 1 is connected with the mirror support 5, the reflector 1 is designed as a sunken structure, and the reflector 1 rotates horizontally on the horizontal plane to follow the change of sunlight under the action of the horizontal rotary drive part, and changes the inclination angle of the reflector under the driving action of the pitch rotary drive part.

[0055] Further, as a preferred embodiment of the utility model, the mirror support 5 is an arc plate structure or a large-angle V-shaped structure, and the mirror support 5 can be an integral structure or a symmetrical structure assembled by multiple parts.

[0056] In the embodiment, the heat collecting pipe 2 is arranged at the parabolic surface center focus of the front of the reflector 1 through the heat collecting pipe support 6, the connecting pipeline is arranged on the support mechanism, and the end of the connecting pipeline is connected with the heat collecting pipe 2, so that the heat collecting and heat exchanging requirements are realized.

[0057] Specifically, the heat collecting pipe 2 is a double-layer vacuum explosion-proof structure, the heat collecting pipe 2 is provided with a working medium, and the working medium flows and absorbs heat in the heat collecting pipe 2.

[0058] Further, as a preferred embodiment of the utility model, the reflector 1 and the heat collecting pipe 2 are provided with at least one group, the reflector 1 is symmetrically arranged with the upper end of the support column 31 as the center, and the specific number of the reflector 1 and the heat collecting pipe 2 can be adjusted according to the actual use scene conditions and the heat supply demand of the steam hot water system used.

[0059] Further, the embodiment also comprises a control system, the control system is provided with a control unit and a sun tracking system, the sun tracking system is provided with a sun tracking sensor, the control unit is provided with a GPS / celestial algorithm module, and the system is internally provided with a gyroscope to compensate installation inclination error, the sun tracking sensor monitors the sun position and offset in real time, and triggers the control unit to dynamically correct the driving instruction when the deviation exceeds the set value, controls the action of the rotating mechanism, and realizes the position adjustment of the reflector, so that the horizontal position angle and the pitch inclination angle of the collector are accurately controlled through the cooperation of each module.

[0060] The control unit of the embodiment adopts an industrial-grade PLC integrated PID control algorithm, and the driving instruction is updated once every 5 seconds, and the Modbus communication protocol is supported.

[0061] Further, the control system is provided with a night reset system and a temperature control system, the night reset system is used to realize the night reset of the reflector to the upright state, the upright mode can be set when the reflector is reset at night, so that the reflector is kept clean for a long time, and the work intensity of cleaning is reduced. When the wind speed exceeds the set wind speed, the reflector can automatically rise to enter the high-wind protection state; the temperature control system is used to realize high-temperature protection, the mirror field is deflected when the temperature exceeds the set maximum temperature, so that the equipment is prevented from being damaged and safety accidents are avoided. The control system has multiple different working modes, and different scenes such as night mode, rain and snow mode, protection mode and the like can be switched, when the protection mode is started, the collector is reset to the horizontal position, and the electromagnetic brake device is braked.

[0062] Further, in the embodiment, the collector is designed in an overall steel structure, is made of high-strength steel and is heated and immersed in zinc for corrosion prevention, is firm in structure and long in service life, and is designed in a modularized mode, so that the collector can be conveniently adjusted according to requirements.

[0063] Embodiment 2

[0064] As shown in Figure 5 the utility model embodiment provides a groove type solar heat collecting system, including two axle single groove solar collector, solar collector is provided with a plurality of, and a plurality of solar collector series connection or parallel connection is arranged, and constitutes heat collecting mirror field 7.

[0065] In the embodiment, the heat collecting pipe 2 is connected with a steam hot water system, the steam hot water system comprises a steam tank, a steam pipeline and a driving mechanism, and a circulation loop is formed between the heat collecting pipe 2 and the steam tank. The heat collecting pipe 2 is used to absorb solar energy and heat water, heat conducting oil and molten salt and the like, and can track the sun in real time through the parabolic surface of the groove type reflector, the condensing ratio is 50-100, the temperature can reach 200-400 DEG C, and the modular design is adopted, each mechanism can adopt a standardized interface, a plurality of collectors can be connected in series or parallel, and an adaptive heat collecting system is formed.

[0066] The working principle of the steam hot water system is that water enters the low end of the heat collecting pipe 2 and exits from the high end, the water is heated in the heat collecting pipe 2, the hot water rises into the steam tank, the water at the bottom of the steam tank flows into the heat collecting pipe to continue convection heating until the required target temperature and pressure are reached, then the steam safety valve is opened, the overheated water generates steam at the top space of the steam tank and is discharged, the heat collecting pipe continues to heat, and the heated water continues to circulate due to the temperature difference.

[0067] The utility model discloses simple structure, equipment cost is lower, installation debugging is quick, and stability is good, and the horizontal rotation drive part and the pitch rotation drive part are used to change and adjust the horizontal angle and the pitch height angle of the reflector, the reflector can be adjusted in real time according to the rotation of the sun, the heat collecting pipe is heated through the reflector, and the external system is used.

[0068] Moreover, the utility model discloses convenient installation, can realize more heat collecting equipment increase under the same use area, increase the light collecting use area, and the overall weight is light, installation is simple, reduces the steel consumption, and the equipment cost is low, and the unattended can effectively improve the heating efficiency of solar energy heat collector, is not only applicable to large -scale light heat utilization scene, also is applicable to small area or the environment under the relatively poor light condition, improves the economic benefit of enterprise.

[0069] In the description of the utility model, it is understood that the orientation or positional relation indicated by such as the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as limiting the present application.

[0070] In addition, in the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly and specifically limited.

[0071] The above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A dual-axis single-tube solar collector comprising a mirror, a heat collecting mechanism, a supporting mechanism, a rotating mechanism connected to the supporting mechanism, and the rotating mechanism driving the mirror to move, characterized in that, The heat collecting mechanism comprises a heat collecting pipe, the rotating mechanism is connected with the reflector, the rotating mechanism comprises a rotating driving part and a rotating support bearing; the rotating driving part is arranged on the upper end of the support mechanism through a rotating support frame, the rotating driving part comprises a horizontal rotating driving part and a pitching rotating driving part, and the rotating mechanism drives the reflector to perform azimuth angle tracking and pitching angle adjustment.

2. The dual-axis single-channel solar collector of claim 1, wherein, The support mechanism comprises a support column and a support beam, the support column is vertically arranged, the bottom of the support column is provided with a mounting base, and the upper end of the support column is connected with the horizontal rotating driving part; The support beam is arranged on the upper end of the support column and is horizontally arranged, the support column is arranged in the vertical direction of the center of the support beam, the support beam is of a hollow structure, and the hollow structure of the support beam is provided with a counterweight.

3. The dual-axis single-channel solar collector of claim 2, wherein, The lower end of the rotating support frame is connected with the support column through the horizontal rotating driving part, the upper end of the rotating support frame is connected with the support beam, the rotating support frame moves synchronously with the support beam, and the middle part of the rotating support frame is provided with a transversely arranged support sleeve.

4. The dual-axis single-channel solar collector according to claim 1 or 3, characterized in that, The horizontal rotating driving part comprises a rotating speed reducer, the rotating speed reducer is connected with the rotating support bearing, the rotating speed reducer is fixedly arranged on the base of the rotating support bearing through a mounting structure, the rotating speed reducer is provided with a power source, and the output end of the rotating speed reducer is provided with a speed reduction mechanism.

5. The dual-axis single-channel solar collector of claim 2, wherein, The pitching rotating driving part comprises an electric push rod, the electric push rod is connected with the support beam through a push rod support, the output end of the electric push rod is movably connected with the rotating support frame, and the electric push rod is movably connected with the push rod support.

6. The dual-axis single-channel solar collector of claim 1, wherein, The heat collecting pipe is arranged at the parabolic center focus of the front of the reflector through a heat collecting pipe support, the heat collecting pipe is of a double-layer vacuum structure, the heat collecting pipe is provided with working medium, and the working medium flows in the heat collecting pipe to absorb heat.

7. The dual-axis single-channel solar collector of claim 1, wherein, The reflector is a parabolic groove mirror, the reflector is composed of a plurality of adjustable arc plates, and the non-working surface of the reflector is arranged on the support beam of the support mechanism through a plurality of lens supports.

8. The dual-axis single-channel solar collector of claim 1, wherein, The control system is further provided with a control unit and a sun tracking sensor, the sun tracking sensor monitors the position and deviation of the sun in real time, the control unit is triggered to dynamically correct the driving instruction when the deviation exceeds the set value, the rotating mechanism is controlled to move, and the position of the reflector is adjusted; The control system is provided with a night resetting system and a temperature control system, the night resetting system is used for resetting the upright state of the reflector at night, and the temperature control system is used for high-temperature protection.

9. A trough solar power collection system characterized by, The double-axis single-groove solar heat collector comprises a double-axis single-groove solar heat collector, a plurality of double-axis single-groove solar heat collectors are arranged in series or in parallel, and the plurality of double-axis single-groove solar heat collectors are connected to form a heat collecting mirror field.

10. The trough solar thermal system of claim 9, wherein, The heat collecting pipe is connected with a steam hot water system, and the steam hot water system comprises a steam tank, a steam pipeline and a driving mechanism.

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