CN221122560U

CN221122560U - 2+1 Shaft groove type heat collecting device

Info

Publication number: CN221122560U
Application number: CN202321187399.XU
Authority: CN
Inventors: 郭明厚
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2024-06-11
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a 2+1 axial groove type heat collection device which comprises a base, wherein a stand column is arranged on the base, an azimuth angle rotation mechanism is arranged at one end, far away from the base, of the stand column, a stand column II is arranged at the top of the azimuth angle rotation mechanism, an elevation angle push rod is arranged on the stand column II, a reflector bracket is arranged at the two ends of the stand column, the bottom of the reflector bracket is connected with the elevation angle push rod, a reflector is arranged on the reflector bracket, and a heat collection tube is arranged in the middle of the reflector. Compared with the prior art, the utility model has the advantages that: the installation power can be increased by about 30% under the condition that the mirror fields occupy the same area, wind disasters are avoided, wind resistance is reduced through the wind leakage door, meanwhile, the small-area mirror surface can realize low-cost part replacement, the later maintenance cost is reduced, and the method has good market prospect and economic benefit.

Description

2+1 Shaft groove type heat collecting device

Technical Field

The utility model relates to the field of new energy, in particular to a 2+1 shaft groove type heat collection device.

Background

The trough type heat collector is a heat collector which utilizes a photo-thermal conversion mode, realizes conversion from light energy to heat energy through focusing, reflection, absorption and other processes, and enables a heat exchange medium to reach a certain temperature so as to meet the requirements of different loads. The trough type heat collector belongs to the category of medium-high temperature heat collectors, can enable heat exchange working media to obtain higher temperature, and can be used in the life and production fields of thermal power generation, sea water desalination treatment, heating engineering, absorption refrigeration and the like.

Because of the wide application prospect of solar energy, solar energy is the main energy source of the trough collector. Solar trough collectors dominate solar energy utilization systems, providing a source of heat for the system, and their efficiency and investment costs can impact the efficiency and economy of the overall collector system. The trough type solar heat collector adopts a vacuum glass tube structure, namely, an inner tube adopts a metal tube plated with a high-absorptivity selective absorption layer, a heating medium is moved in the tube, a glass tube is arranged outside the tube, and vacuum is pumped between the glass tube and the metal tube so as to inhibit convection and conduction heat loss.

The prior internationally popular trough type heat collecting devices are all uniaxial, and have the defects of low heat collecting efficiency and poor wind resistance.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a 2+1 shaft groove type heat collecting device.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the 2+1 shaft groove type heat collection device comprises a base, wherein a stand column is arranged on the base, an azimuth angle rotation mechanism is arranged at one end, far away from the base, of the stand column, a stand column II is arranged at the top of the azimuth angle rotation mechanism, an elevation angle push rod is arranged on the stand column II, a reflector support is arranged at the two end parts of the stand column, the bottom of the reflector support is connected with the elevation angle push rod, a reflector is arranged on the reflector support, and a heat collection tube is arranged in the middle of the reflector.

As improvement, the mirror surface of the reflecting mirror is divided into a plurality of sub-mirror surfaces, the back of the sub-mirror surface close to the central axis of the reflecting mirror is provided with a ventilation door, the split-type mirror surface has increased wind resistance, and the small-area mirror surface has larger bearing capacity in the daily use process.

As an improvement, the air release door is connected with a servo motor through an actuating mechanism, the actuating mechanism is a rotating shaft, the servo motor is started, the rotating shaft rotates to drive the air release door to be opened, and the air release function is executed.

Compared with the prior art, the utility model has the advantages that: the installation power can be increased by about 30% under the condition that the mirror fields occupy the same area, wind disasters are avoided, wind resistance is reduced through the wind leakage door, meanwhile, the small-area mirror surface can realize low-cost part replacement, the later maintenance cost is reduced, and the method has good market prospect and economic benefit.

Drawings

FIG. 1 is a schematic diagram of a 2+1 shaft trough heat collector.

Fig. 2 is a schematic front view of a 2+1 shaft groove type heat collecting device.

As shown in the figure: 1. the device comprises a base, 2, upright posts, 3, an azimuth angle rotation mechanism, 4, second upright posts, 5, an elevation angle push rod, 6, a reflector bracket, 7, a reflector, 8, a heat collecting tube, 9, a sub-mirror surface, 10 and a ventilation door zone.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In the specific implementation of the utility model, the 2+1 axial groove type heat collection device comprises a base 1, wherein a stand column 2 is arranged on the base 1, an azimuth angle rotation mechanism 3 is arranged at one end, far away from the base 1, of the stand column 2, a stand column two 4 is arranged at the top of the azimuth angle rotation mechanism 3, an elevation angle push rod 5 is arranged on the stand column two 4, a reflector bracket 6 is arranged at the end part of the stand column two 4, the bottom of the reflector bracket 6 is connected with the elevation angle push rod 5, a reflector 7 is arranged on the reflector bracket 6, and a heat collection tube 8 is arranged in the middle of the reflector 7.

As an improvement, the mirror surface of the reflecting mirror 7 is divided into a plurality of sub-mirror surfaces 9, and a ventilation door is arranged at the back of the sub-mirror surface 9 close to the central axis of the reflecting mirror 7, so that the split-type mirror surface has increased wind resistance, and the small-area mirror surface has larger bearing capacity in the daily use process.

The invention is different from the scheme of single row of tens of meters of traditional single-shaft groove type heat collector, each section is designed to be 12 meters long, 3 heat collecting pipes of 4 meters are installed in each section, the sections are connected by pipelines, a stainless steel pipe is used for a fixed part, a stainless steel corrugated pipe or a high-pressure rubber pipe is used for a movable part, all the pipelines are subjected to heat preservation treatment, the design of an excavator rotating device is referred to at the vertical central part of the device, all the pipelines of the single heat collector are finally converged into a heat storage tank area and a power generation workshop in a series-parallel connection mode, and the rest parts are the same as the single-shaft groove type heat collector. The open chord length of the parabolic mirror is 5-6 meters, and the scheme is suitable for large steam production projects and power generation. The 2 nd proposal has 3 meters of open chord length of the reflecting mirror, uses a stainless steel heat collecting tube with the length of 4 meters and the inner diameter of 20mm, is applicable to heating in winter, hot water in summer and cooking of individual households in agriculture and animal husbandry, and has the same basic principle as the 2 proposal.

The working principle of the utility model is as follows: the 2+1 axis slot type heat collector consists of a axis accurate sun alignment part and an axis wind leakage part which are controlled by azimuth angle and elevation angle. The sun-facing part consists of a sensor, a control box PLC, a direct current switching power supply, a backup battery, a servo module, a man-machine interface and the like, a servo motor, a speed reducer, an electric pull rod and the like. The specific working process is as follows:

The device is started up under normal weather conditions, the wind power is less than 8 levels, the program starting execution time and the schedule are added, the PLC sends out a daily searching instruction, and the azimuth servo module and the elevation servo module drive the servo motor and the ejector rod to rapidly finish accurate daily work; the abnormal wind power is greater than 8 levels, the anti-wind run sequence is started, the anti-wind protection servo driver drives the actuating mechanism to open the air release door to release wind, and the windward stress of the reflecting mirror is reduced, so that the equipment safety of the heat collecting device under the abnormal natural condition is ensured, the program is recovered to be normal after the wind speed is normal, and the normal heat collecting work is executed.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature, and in the description of the utility model, "a plurality" means two or more, unless otherwise specifically and clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims

1.2+1 Axle slot type heat collector, including base (1), its characterized in that: the solar energy collecting device is characterized in that a stand column (2) is arranged on the base (1), an azimuth angle revolving mechanism (3) is arranged at one end, far away from the base (1), of the stand column (2), a stand column two (4) is arranged at the top of the azimuth angle revolving mechanism (3), an elevation angle push rod (5) is arranged on the stand column two (4), a reflector bracket (6) is arranged at the end part of the stand column two (4), the bottom of the reflector bracket (6) is connected with the elevation angle push rod (5), a reflector (7) is arranged on the reflector bracket (6), and a heat collecting tube (8) is arranged in the middle of the reflector (7);

the mirror surface of the reflecting mirror (7) is divided into a plurality of sub-mirror surfaces (9), and a vent door is arranged at the back of the sub-mirror surface (9) close to the central axis of the reflecting mirror (7).

2. The 2+1 shaft trough heat collector of claim 1 wherein: the air release door is connected with the servo motor through the actuating mechanism.