CN211146916U

CN211146916U - Anti-freezing solar heat collector

Info

Publication number: CN211146916U
Application number: CN201921040112.4U
Authority: CN
Inventors: 金腾跃
Original assignee: Haining Peak Solar Energy Co ltd
Current assignee: Haining Peak Solar Energy Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-07-31
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a solar collector prevents frostbite, including braced frame, evenly distributed has a plurality of thermal-collecting tubes on the braced frame, be provided with heat preservation mechanism on the thermal-collecting tube, heat preservation mechanism includes solid fixed ring, activity ring sum heat preservation cloth, gu fixed ring cover establish the one end of thermal-collecting tube and with braced frame fixed connection, the activity pipe box is located on the thermal-collecting tube and is slided along thermal-collecting tube length direction and set up, the device is rational in infrastructure, crosses when external temperature low excessively, through starting drive arrangement, makes drive arrangement pulling activity ring remove, makes activity ring sum fixed ring be located the both ends of thermal-collecting tube respectively, makes the complete cover of heat preservation cloth establish the surface at the thermal-collecting tube to the heat preservation frostproofing effect of thermal-collecting tube realizes effectively avoiding the intraductal heat-conducting medium of.

Description

Anti-freezing solar heat collector

Technical Field

The utility model relates to a heat collector field, in particular to solar collector prevents frostbite.

Background

A solar collector is a device that converts radiant energy of the sun into thermal energy. Since solar energy is relatively dispersed and must be concentrated, collectors are a key part of various solar energy utilization devices.

The existing method mostly adopts a double-layer vacuum-pumping glass tube as a heat collecting tube heating mode, and has the greatest advantages that the heat efficiency is extremely high, sunlight irradiates on the heat collecting tube, and heat is led out through the heat absorbing tube due to the double-layer glass and the heat absorbing tube arranged in the inner glass; however, because the heat-conducting medium is arranged between the inner glass and the heat-absorbing tube, when the ambient temperature is below the freezing point, the heat-conducting medium in the heat-collecting tube on the common groove type solar heat collector can freeze and expand, so that the heat-collecting tube is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti-freezing solar heat collector.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an anti-freezing solar heat collector, includes braced frame, evenly distributed has a plurality of thermal-collecting tubes on the braced frame, be provided with heat preservation mechanism on the thermal-collecting tube, heat preservation mechanism includes solid fixed ring, activity ring sum heat preservation cloth, gu fixed ring cover establish the one end of thermal-collecting tube and with braced frame fixed connection, the activity ring cover is located on the thermal-collecting tube and is slided along thermal-collecting tube length direction and set up, heat preservation cloth sets up between solid fixed ring and activity ring and its both ends respectively with the fixed connection of solid fixed ring and activity ring, every two are adjacent be provided with the connecting rod between the activity ring, braced frame's both ends still are equipped with and use the gliding.

By adopting the technical scheme, when the external temperature is too low, the driving device is started to drive the movable ring to move, so that the movable ring and the fixed ring are respectively positioned at the two ends of the heat collecting tube, the heat-insulating cloth is completely sleeved on the outer surface of the heat collecting tube, the heat-insulating and anti-freezing effects on the heat collecting tube are realized, and the problem that the heat-conducting medium in the heat collecting tube can freeze and expand to cause the damage of the heat collecting tube can be effectively avoided.

As preferred, drive arrangement includes the backup pad of fixed mounting in braced frame one side, be provided with tooth in the backup pad, the spout has been seted up to the one side that just is located tooth in the backup pad, sliding connection has the mounting panel in the spout, fixed mounting has the motor on the mounting panel, the output of motor runs through mounting panel and fixed mounting has the gear, the gear meshes with tooth mutually, be equipped with the installation pole in the gear, be equipped with the bearing between installation pole and the gear, the other end and the loose ring fixed connection of installation pole.

Adopt above-mentioned technical scheme, when the ambient temperature is less than 5 degrees centigrade, the starter motor, motor corotation drives gear revolve, the tooth mesh in gear and the backup pad, thereby it rotates to drive the installation pole, thereby make the gear set up the direction along the tooth in the backup pad and roll and drive the installation pole and rotate, because the setting of bearing, can avoid the rotation of installation pole along with the gear, thereby make the installation pole can move along with the gear roll direction, and drive the loose ring and keep away from solid fixed ring's one side and remove, overlap the heat preservation cloth completely on the thermal-collecting tube, prevent frostbite to the thermal-collecting tube, otherwise the motor reversal, make the loose ring be close to solid fixed ring's one side and remove, the heat preservation cloth is folding, make.

Preferably, the heat-insulating cloth is provided with uniformly distributed circular creases.

Adopt above-mentioned technical scheme, so set up, can make heat preservation cloth fold along folding violently.

Preferably, one side of the supporting frame is provided with a temperature detector and a control box, and the control box is respectively electrically connected with the temperature detector and the motor.

Adopt above-mentioned technical scheme, so set up, when thermodetector detected external temperature and is less than 5 degrees centigrade, the transmission gives the controller, and controller control motor starts, makes heat preservation cloth cover the thermal-collecting tube completely, keeps warm to the thermal-collecting tube, and the thermal-conducting medium can freeze the inflation in the thermal-collecting tube, leads to the problem of thermal-collecting tube damage.

Preferably, the heat collecting pipe is a copper pipe or a stainless steel pipe.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1. a support frame; 2. a heat collecting pipe; 3. a heat preservation mechanism; 31. a fixing ring; 32. a movable ring; 33. heat-insulating cloth; 4. a connecting rod; 5. a drive device; 51. a support plate; 52. teeth; 53. a chute; 54. mounting a plate; 55. a motor; 56. a gear; 57. mounting a rod; 6. a circular crease; 7. a temperature detector; 8. and a control box.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in FIG. 1, an anti-freezing solar thermal collector comprises a supporting frame 1, a plurality of thermal collecting tubes 2 are uniformly distributed on the supporting frame 1, the thermal collecting tubes 2 are copper tubes or stainless steel tubes, a thermal insulation mechanism 3 is arranged on the thermal collecting tubes 2, the thermal insulation mechanism 3 comprises a fixed ring 31, a movable ring 32 and thermal insulation cloth 33, the fixed ring 31 is sleeved on one end of the thermal collecting tubes 2 and is fixedly connected with the supporting frame 1, the movable ring 32 is sleeved on the thermal collecting tubes 2 and is slidably arranged along the length direction of the thermal collecting tubes 2, the thermal insulation cloth 33 is arranged between the fixed ring 31 and the movable ring 32, two ends of the thermal insulation cloth are respectively fixedly connected with the fixed ring 31 and the movable ring 32, circular creases 6 are uniformly distributed, so set up, can make heat preservation cloth 33 fold along folding violently, be provided with connecting rod 4 between every two adjacent activity rings 32, connecting rod 4's setting can make a plurality of activity rings 32 can the synchronous motion.

Support frame 1's both ends still are equipped with and use gliding drive arrangement 5 of drive activity ring 32, drive arrangement 5 includes the backup pad 51 of fixed mounting in support frame 1 one side, be provided with tooth 52 on the backup pad 51, the spout 53 has been seted up to the one side that just is located tooth 52 on the backup pad 51, sliding connection has mounting panel 54 in the spout 53, fixed mounting has motor 55 on the mounting panel 54, mounting panel 54 and fixed mounting have a gear 56 are run through to motor 55's output, gear 56 meshes with tooth 52 mutually, be equipped with installation pole 57 in the gear 56, be equipped with the bearing between installation pole 57 and the gear 56, the other end and the activity ring 32 fixed connection of installation pole 57.

One side of braced frame 1 is provided with thermodetector 7 and control box 8, control box 8 respectively with thermodetector 7, motor 55 electric connection, so set up, when thermodetector 7 detected external temperature and is less than 5 degrees centigrade, transmit for the controller, controller control motor 55 starts, make thermal insulation cloth 33 cover thermal-collecting tube 2 completely, keep warm to thermal-collecting tube 2, the thermal-conducting medium can freeze the inflation in the thermal-collecting tube 2, lead to the problem that thermal-collecting tube 2 damaged.

The working principle is as follows: when the temperature detector 7 detects that the external temperature is lower than 5 ℃, the external temperature is transmitted to the controller, the controller controls the motor 55 to start, the motor 55 rotates forward to drive the gear 56 to rotate, the gear 56 is meshed with the teeth 52 on the supporting plate 51 to drive the mounting rod 57 to rotate, so that the gear 56 rolls along the arrangement direction of the teeth 52 on the supporting plate 51 and drives the mounting rod 57 to rotate, due to the arrangement of the bearing, the mounting rod 57 can be prevented from rotating along with the gear 56, the mounting rod 57 can move along the rolling direction of the gear 56 and drive the movable ring 32 to move away from one side of the fixed ring 31, the heat-insulating cloth 33 is completely sleeved on the heat-collecting tube 2 to prevent freezing of the heat-collecting tube 2, otherwise, when the temperature detector detects that the external temperature is higher than 5 ℃, the controller controls the motor 55 to rotate reversely to move the side of the movable ring 32 close to the fixed ring 31, so that the heat collecting tube 2 is exposed.

Claims

1. The utility model provides an anti-freezing solar heat collector, its characterized in that, includes braced frame (1), evenly distributed has a plurality of thermal-collecting tubes (2) on braced frame (1), be provided with heat preservation mechanism (3) on thermal-collecting tube (2), heat preservation mechanism (3) are including solid fixed ring (31), movable ring (32) and heat preservation cloth (33), gu fixed ring (31) cover establish the one end of thermal-collecting tube (2) and with braced frame (1) fixed connection, movable ring (32) cover is located on thermal-collecting tube (2) and is followed thermal-collecting tube (2) length direction and slide the setting, heat preservation cloth (33) set up between solid fixed ring (31) and movable ring (32) and its both ends respectively with the fixed connection of solid fixed ring (31) and movable ring (32), every two are adjacent be provided with connecting rod (4) between movable ring (32), braced frame (1)'s both ends still are equipped with and use gliding drive arrangement (5) of drive movable ring (32).

2. Anti-freeze solar thermal collector according to claim 1, characterized in that the driving means (5) comprise a support plate (51) fixedly mounted on one side of the support frame (1), teeth (52) are arranged on the supporting plate (51), a sliding groove (53) is arranged on the supporting plate (51) and positioned at one side of the teeth (52), a mounting plate (54) is connected in the chute (53) in a sliding way, a motor (55) is fixedly mounted on the mounting plate (54), the output end of the motor (55) penetrates through the mounting plate (54) and is fixedly provided with a gear (56), the gear (56) is meshed with the teeth (52), a mounting rod (57) is arranged in the gear (56), a bearing is arranged between the mounting rod (57) and the gear (56), and the other end of the mounting rod (57) is fixedly connected with the movable ring (32).

3. The solar collector according to claim 2, characterised in that the cloth (33) is provided with evenly distributed circular folds (6).

4. The anti-freezing solar heat collector according to claim 3, wherein a temperature detector (7) and a control box (8) are arranged on one side of the supporting frame (1), and the control box (8) is electrically connected with the temperature detector (7) and the motor (55) respectively.

5. The anti-freezing solar heat collector according to claim 4, wherein the heat collecting tube (2) is a copper tube or a stainless steel tube.