Flat plate type solar heat collector

Abstract

The utility model discloses a flat plate type solar thermal collector which comprises an installation frame, a thermal collector body is installed on the installation frame, a cleaning mechanism used for cleaning the thermal collector body is arranged on the top of the installation frame, the cleaning mechanism comprises a water collection box, a plurality of water leakage openings are formed in the bottom of the water collection box at equal intervals, and sealing rings are arranged at the bottoms of the water leakage openings. The plugging frame is arranged at the bottom of the water collecting box, bulb rods are fixed to the two sides of the plugging frame, a guide frame is fixed to the bottom of the water collecting box, the bulb rods transversely slide in the guide frame, and the bulb rods and the guide frame are connected through first springs; and the plugging plates are arranged on the plugging frame at equal intervals. By arranging the cleaning mechanism, the water collecting box can be used for collecting rainwater in rainy days, the water collecting box moves downwards along the sliding groove based on gravity, the corrugated batten limits the ball head rod during the period, the purpose of pushing the plugging frame in a reciprocating mode is achieved, and therefore the cleaning part is used for scrubbing the surface of the heat collector body in a reciprocating mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar energy collector technical field especially relates to a flat plate type solar energy collector. BACKGROUND

[0002] With the increasing global energy crisis and the continuous improvement of environmental protection consciousness, as a clean, renewable energy, the development and utilization of solar energy have received widespread attention. As an important part of solar thermal utilization system, flat plate type solar energy collector has the advantages of simple structure, low cost, convenient installation, etc. It has been widely used in the field of solar hot water supply, heating and industrial production. However, in the actual operation process, the collector surface is easy to accumulate dust, dirt and other pollutants. These pollutants not only reduce the light transmittance and heat absorption efficiency of the collector, but also may affect its heat dissipation performance, thereby seriously affecting the overall performance and service life of the collector.

[0003] After searching, the application scheme of Chinese patent application No. CN202120035262.7 discloses a flat plate collector with self cleaning structure, which comprises a flat plate collector, a cleaning mechanism and a buffer mechanism, the rear side of the flat plate collector is provided with a support frame, and the flat plate collector and the support frame are connected with a support plate. The cleaning mechanism comprises a dustproof plate located above the support frame, the bottom end of the dustproof plate is connected with a fixed block, the inner wall of the fixed block is provided with a connecting block, the bottom end of the connecting block is provided with a protruding block, and the side of the protruding block and the outer wall of the connecting block are provided with a movable block. The flat plate collector in the above document has the following disadvantages: the self cleaning structure of the flat plate collector needs additional power supply by driving the motor, which needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a flat plate type solar energy collector.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A flat plate type solar energy collector, comprising a mounting frame, a collector main body mounted on the mounting frame, a cleaning mechanism for cleaning the collector main body provided on the top of the mounting frame, the cleaning mechanism comprising:

[0007] A water collecting box is provided with a plurality of water leakage openings at equal intervals at the bottom, and a sealing ring is arranged at the bottom of the water leakage opening.

[0008] A plugging frame is arranged at the bottom of the water collecting box, and ball head rods are fixed on both sides of the plugging frame. A guide frame is fixed at the bottom of the water collecting box, the ball head rods slide horizontally in the guide frame, and the ball head rods and the guide frame are connected by a first spring.

[0009] The blocking plates are equidistantly arranged on the blocking frame, and the top surface of the blocking plate is in contact with the sealing ring in the absence of external force, so that the water leakage is blocked.

[0010] The corrugated strip plate is installed on one side of the mounting frame and is located on the movement path of the spherical end of the ball head rod.

[0011] The sliding groove is arranged on the mounting frame, and the water collecting box is provided with a sliding block on the side surface, and the water collecting box is slid in the sliding groove through the sliding block.

[0012] The cleaning part is installed on one side of the blocking frame and is matched with the surface of the heat collector main body.

[0013] The elastic traction part is connected to the mounting frame at one end and connected to the water collecting box at the other end.

[0014] As a further scheme of the utility model, the cleaning part comprises a brush plate, the brush plate is fixed on one side of the blocking frame close to the heat collector main body, and the surface of the brush plate close to the heat collector main body is provided with uniformly distributed brushes.

[0015] As a further scheme of the utility model, the elastic traction part comprises:

[0016] The supporting plate is fixed on the mounting frame.

[0017] The second spring is connected to the supporting plate at one end and connected to the connecting block at the other end.

[0018] The traction rope is fixed on the connecting block at one end and fixed on the water collecting box at the other end.

[0019] As a further scheme of the utility model, the mounting frame is provided with a pulley frame on the top, the pulley frame is provided with a fixed pulley, and the traction rope passes through the fixed pulley.

[0020] As a further scheme of the utility model, the mounting frame is provided with a first magnetic block, the water collecting box is provided with a second magnetic block, and the first magnetic block and the second magnetic block are attracted to each other.

[0021] As a further scheme of the utility model, the mounting frame is provided with a limiting frame on one side of the outer wall, and the limiting frame is located on the movement path of the ball head rod.

[0022] As a further scheme of the utility model, the limiting frame is provided with an anti-skid piece on one side of the outer wall.

[0023] The utility model has the advantages of:

[0024] 1. The utility model discloses a cleaning mechanism can be collected in rainy days with the water collecting box, based on gravity, water collecting box moves downward along the slide, during, corrugated batten limits ball head rod, reaches the purpose of reciprocating push blocking frame, thereby utilizes the cleaning department to the surface of the collector main part reciprocating brush washing.

[0025] 2. The utility model discloses in the process of blocking frame transverse reciprocating motion, the continuous dislocation between blocking plate and water leakage, so that the water in water collecting box can flow out, to facilitate the promotion of cleaning effect, another convenient for reducing weight, thereby conveniently through the elastic traction part draws reset.

[0026] 3. The utility model discloses a first magnetic block and second magnetic block can be collected in the initial stage of water storage water collecting box, utilize the magnetic attraction of first magnetic block and second magnetic block and hinder water collecting box movement, when the water storage gradually increases, the overall gravity reaches certain value, overcomes the magnetic attraction of first magnetic block and second magnetic block, makes water collecting box downward motion, and first magnetic block and second magnetic block have played the role of force storage, guarantee the reliability of water collecting box movement.

[0027] 4. The utility model discloses a limiting frame can be collected when water collecting box motion to the lowermost, through limiting frame limit ball head rod reset, thereby making water leakage keep opening state all the time, to facilitate the water body discharge, convenient structure reset. DRAWINGS

[0028] Figure 1 The utility model discloses a kind of structure schematic diagram of flat-plate solar collector proposed by the utility model;

[0029] Figure 2 The utility model discloses a kind of structure schematic diagram of back of flat-plate solar collector proposed by the utility model;

[0030] Figure 3 The utility model discloses a kind of structure schematic diagram of limiting frame of flat-plate solar collector proposed by the utility model;

[0031] Figure 4 The utility model discloses a kind of structure schematic diagram of first magnetic block, second magnetic block of flat-plate solar collector proposed by the utility model;

[0032] Figure 5 The utility model discloses a kind of structure schematic diagram of ball head rod, blocking plate of flat-plate solar collector proposed by the utility model;

[0033] Figure 6 A kind of structure schematic diagram of water collecting box and blocking frame separation of flat-plate solar collector proposed by the utility model.

[0034] In the figure: 1 - mounting frame, 2 - collector main body, 3 - corrugated strip, 4 - water collecting box, 5 - fixed pulley, 6 - traction rope, 7 - support plate, 8 - second spring, 9 - connecting block, 10 - limiting frame, 11 - sliding groove, 12 - blocking frame, 13 - first magnetic block, 14 - second magnetic block, 15 - blocking plate, 16 - brush plate, 17 - ball head rod, 18 - first spring, 19 - sealing ring. DETAILED DESCRIPTION

[0035] The technical solutions of the utility model will be described in further detail below in combination with specific embodiments.

[0036] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model and cannot be understood as a limitation of the utility model.

[0037] Embodiment 1

[0038] A flat-plate solar energy collector, as shown in the figure, comprises a mounting frame 1, a collector main body 2 is installed on the mounting frame 1, a cleaning mechanism for cleaning the collector main body 2 is arranged on the top of the mounting frame 1, and the cleaning mechanism comprises: Figures 1-6 A water collecting box 4, a plurality of water leakage openings are equidistantly arranged on the bottom of the water collecting box 4, and a sealing ring 19 is arranged on the bottom of the water leakage opening;

[0039] A blocking frame 12 is arranged on the bottom of the water collecting box 4, ball head rods 17 are fixed on the two sides of the blocking frame 12, a guide frame is fixed on the bottom of the water collecting box 4, the ball head rods 17 slide transversely in the guide frame, and the ball head rods 17 and the guide frame are connected through first springs 18;

[0040] A blocking plate 15 is equidistantly arranged on the blocking frame 12, and the top surface of the blocking plate 15 is in contact with the sealing ring 19 in the absence of external force, so that the water leakage opening is blocked;

[0041] A corrugated strip 3 is installed on one side of the mounting frame 1, and the corrugated strip 3 is located on the movement path of the spherical end of one ball head rod 17;

[0042] A sliding groove 11 is arranged on the mounting frame 1, and a sliding block is arranged on the side surface of the water collecting box 4, and the water collecting box 4 slides in the sliding groove 11 through the sliding block;

[0043] A cleaning part is installed on one side of the blocking frame 12, and the cleaning part is adapted to the surface of the collector main body 2;

[0044]

[0045] ​The elastic traction part is connected to the mounting frame 1 at one end and connected to the water collecting box 4 at the other end;

[0046] By setting the cleaning mechanism, rainwater can be collected by the water collecting box 4 in rainy days. Based on gravity, the water collecting box 4 moves downward along the chute 11. During this process, the corrugated strip 3 limits the ball head rod 17, achieving the purpose of reciprocating pushing the blocking frame 12, so as to reciprocatingly brush the surface of the collector main body 2 by the cleaning part.

[0047] During the transverse reciprocating movement of the blocking frame 12, the blocking plate 15 and the water leakage port are continuously dislocated, so that the water in the water collecting box 4 can flow out, thereby facilitating the cleaning effect and reducing the weight, thereby facilitating the traction and reset of the water collecting box 4 by the elastic traction part.

[0048] In order to facilitate cleaning; as Figure 1 、 Figure 5 、 Figure 6 As shown, the cleaning part includes a brush plate 16 fixed to one side of the blocking frame 12 close to the collector main body 2. The brush plate 16 close to the surface of the collector main body 2 is provided with uniformly distributed brushes.

[0049] By setting the cleaning part, the surface of the collector main body 2 can be brushed and cleaned.

[0050] In order to facilitate the traction of the water collecting box 4; as Figure 3 As shown, the elastic traction part includes:

[0051] The support plate 7 is fixed to the mounting frame 1;

[0052] The second spring 8 is connected to the support plate 7 at one end, and the other end of the second spring 8 is connected to the connecting block 9;

[0053] The traction rope 6 is fixed to the connecting block 9 at one end, and the other end of the traction rope 6 is fixed to the water collecting box 4;

[0054] By setting the elastic traction part, the water collecting box 4 can be reset.

[0055] In order to improve stability; as Figure 4 As shown, the mounting frame 1 is provided with a pulley frame at the top, and a fixed pulley 5 is installed on the pulley frame. The traction rope 6 passes through the fixed pulley 5;

[0056] By setting the fixed pulley 5, the traction rope 6 can be guided, and the stability of the movement is improved.

[0057] In order to make the water collecting box 4 have enough power to descend; as Figure 4As shown, the first magnetic block 13 is installed on the mounting frame 1, and the second magnetic block 14 is installed on the water collecting box 4, and the first magnetic block 13 and the second magnetic block 14 are attracted to each other;

[0058] By arranging the first magnetic block 13 and the second magnetic block 14, the magnetic attraction force of the first magnetic block 13 and the second magnetic block 14 can hinder the movement of the water collecting box 4 in the initial stage of water storage, and when the water storage amount gradually increases and the overall gravity reaches a certain value, the magnetic attraction force of the first magnetic block 13 and the second magnetic block 14 can be overcome to make the water collecting box 4 move downward, and the first magnetic block 13 and the second magnetic block 14 play a role of storing force, thereby ensuring the reliability of the movement of the water collecting box 4.

[0059] In order to facilitate the structure reset, as shown in the drawings, Figure 3 As shown, the mounting frame 1 is provided with a limiting frame 10 on one side of the outer wall, and the limiting frame 10 is located on the movement path of the ball head rod 17.

[0060] By arranging the limiting frame 10, when the water collecting box 4 moves to the lowermost position, the ball head rod 17 can be limited to reset by the limiting frame 10, so that the water outlet is always kept open, thereby facilitating the water body to be discharged, and facilitating the structure to reset.

[0061] Preferably, one side of the limiting frame 10 close to the ball head rod 17 can be provided with anti-skid treatment, for example, an anti-skid sheet is arranged, so as to slow down the time for the ball head rod 17 to separate from the limiting frame 10, so that the structure has sufficient time to discharge the water body, thereby facilitating the water collecting box 4 to reset reliably; the anti-skid degree or thickness of the anti-skid sheet is arranged according to the actual situation, and the ball head rod 17 is prevented from completely staying at the limiting frame 10.

[0062] For the part not disclosed in detail in the utility model, the person skilled in the art can ensure that the scheme of the utility model is successfully implemented based on common sense, normal thinking logic and prior art.

[0063] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A flat-plate solar thermal collector comprising a mounting frame (1), characterised in that, The mounting frame (1) is provided with a collector main body (2), and a cleaning mechanism for cleaning the collector main body (2) is arranged at the top of the mounting frame (1), wherein the cleaning mechanism comprises: a water collecting box (4) provided with a plurality of water leakage openings equidistantly arranged at the bottom of the water collecting box (4), and a sealing ring (19) arranged at the bottom of each water leakage opening; a blocking frame (12) arranged at the bottom of the water collecting box (4) and fixed with a ball head rod (17) at two sides thereof, and a guide frame fixed at the bottom of the water collecting box (4), wherein the ball head rod (17) is transversely slidably arranged in the guide frame, and the ball head rod (17) and the guide frame are connected through a first spring (18); a blocking plate (15) equidistantly arranged on the blocking frame (12) and in contact with the sealing ring (19) at the top surface thereof in the absence of external force, so as to block the water leakage openings; a corrugated strip plate (3) arranged at one side of the mounting frame (1) and located in the movement path of the spherical end of one ball head rod (17); a sliding groove (11) arranged on the mounting frame (1), and a sliding block arranged at the side of the water collecting box (4), wherein the water collecting box (4) is slidably arranged in the sliding groove (11) through the sliding block; a cleaning part arranged at one side of the blocking frame (12) and matched with the surface of the collector main body (2); an elastic traction part having one end connected with the mounting frame (1) and the other end connected with the water collecting box (4).

2. A flat plate solar thermal collector according to claim 1, characterised in that, The cleaning part comprises a brush plate (16) fixed at one side of the blocking frame (12) close to the collector main body (2) and provided with uniformly distributed brushes at the surface thereof close to the collector main body (2).

3. A flat plate solar thermal collector according to claim 1, characterised in that, The elastic traction part comprises: a support plate (7) fixed on the mounting frame (1); a second spring (8) having one end connected with the support plate (7) and the other end connected with a connecting block (9); a traction rope (6) having one end fixed on the connecting block (9) and the other end fixed on the water collecting box (4).

4. A flat plate solar thermal collector according to claim 3, characterised in that, The mounting frame (1) is provided with a pulley frame arranged at the top thereof, and a fixed pulley (5) is arranged on the pulley frame, wherein the traction rope (6) passes through the fixed pulley (5).

5. A flat plate solar thermal collector according to claim 4, characterised in that, The mounting frame (1) is provided with a first magnetic block (13), and the water collecting box (4) is provided with a second magnetic block (14), wherein the first magnetic block (13) and the second magnetic block (14) are attracted to each other.

6. A flat plate solar thermal collector according to any one of claims 3 to 5, characterised in that, A limiting frame (10) is fixed on the outer wall of one side of the mounting frame (1) and located in the movement path of the ball head rod (17).

7. A flat plate solar thermal collector according to claim 6, characterised in that, The outer wall of one side of the limiting frame (10) is provided with an anti-skid piece.

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