Thermal insulation water tank of photovoltaic direct-drive water heater

By designing a cleaning component in the insulated water tank of a photovoltaic direct-drive water heater, and using a motor-driven cleaning brush and scraper to clean the surface dirt of the photovoltaic panel, the problem of reduced power generation efficiency caused by dust accumulation on the photovoltaic panel is solved, thus improving the efficiency of solar energy utilization.

CN223677980UActive Publication Date: 2025-12-16LANZHOU HUANENG SOLAR ENERGY
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Patent Information

Application Number
CN202422950704.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-28
Publication Date
2025-12-16
Estimated Expiration
2035-09-28

AI Technical Summary

Technical Problem

After prolonged outdoor use, photovoltaic panels are prone to accumulating dust, dirt, bird droppings, and other impurities, which reduces their solar energy absorption capacity and power generation efficiency.

Method used

Design a photovoltaic direct-drive water heater insulated water tank equipped with a cleaning component, including a slide bar, motor, lead screw, mounting bracket, mounting base, cleaning brush, and scraper. The cleaning brush and scraper are driven by the motor to clean the dirt on the surface of the photovoltaic panel.

Benefits of technology

It effectively removes dirt from photovoltaic panels, improving the efficiency of solar energy utilization and power generation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223677980U_ABST
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Abstract

The utility model discloses a heat preservation water tank of a photovoltaic direct-drive water heater, and belongs to the technical field of water heaters. The system mainly comprises a heat preservation water tank which is provided with a photovoltaic panel. The supporting frame is installed on the heat preservation water tank, and a plurality of sets of vacuum heat collecting pipes are installed on the supporting frame; the sliding rod is provided with a sliding cavity with an opening; the motor is installed at one end of the sliding rod, a lead screw is installed at the output end of the motor, and the lead screw is in threaded connection with a lead screw sleeve; a mounting seat is mounted on the mounting frame in a buckling manner; the cleaning brush is mounted on the mounting seat; and the scraping plate is mounted on the mounting seat. According to the heat preservation water tank of the photovoltaic direct-drive water heater, through arrangement of the sliding rod, the motor, the lead screw, the lead screw sleeve, the mounting frame, the mounting base, the scraper, the cleaning brush, the buckling groove, the supporting rod, the screw rod and the holding rod, dirt attached to a photovoltaic panel can be scraped away, and meanwhile it is guaranteed that the cleaning brush and the scraper can be detached and cleaned conveniently.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water heaters, in particular to a photovoltaic direct-drive water heater heat preservation water tank. BACKGROUND

[0002] The photovoltaic direct-drive water heater is a kind of water heater directly driven by solar photovoltaic power generation technology, which directly uses the electric energy generated by the photovoltaic panel to heat water, without the need for intermediate electric energy storage links or conversion into alternating current through an inverter before use. It is generally composed of a photovoltaic panel, a controller, a heating element and a heat preservation water tank.

[0003] As a patent with publication number CN206247654U, a solar water heater is specifically disclosed, which comprises a water tank, a vacuum heat collecting pipe, a photovoltaic panel, an adjustable support and a control circuit. The photovoltaic panel installed on the water tank and connected with the control circuit converts solar energy into electric energy directly to provide power supply for the control circuit to heat the water in the water tank, thereby improving the utilization efficiency of solar energy.

[0004] The above-mentioned solar water heater heat preservation water tank has the problem that when in use, since the solar water heater heat preservation water tank is generally installed outdoors, such as on the roof or in the courtyard, the photovoltaic panel installed on the solar water heater outdoors is prone to gradually accumulating dust, dirt, bird droppings and other impurities on the photovoltaic panel after long-term use, thereby reducing the solar light absorption capacity and leading to reduced power generation efficiency. Therefore, a photovoltaic direct-drive water heater heat preservation water tank needs to be designed to solve the above-mentioned problem.

[0005] It should be noted that the above information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, it can contain information that does not constitute prior art. SUMMARY

[0006] Based on the above-mentioned problems existing in the prior art, the present application aims to solve the problem of providing a photovoltaic direct-drive water heater heat preservation water tank to solve the problem that the above-mentioned solar water heater heat preservation water tank has the problem that when in use, since the solar water heater heat preservation water tank is generally installed outdoors, such as on the roof or in the courtyard, the photovoltaic panel installed on the solar water heater outdoors is prone to gradually accumulating dust, dirt, bird droppings and other impurities on the photovoltaic panel after long-term use, thereby reducing the solar light absorption capacity and leading to reduced power generation efficiency.

[0007] The technical scheme adopted by the present application to solve its technical problems is: a photovoltaic direct-drive water heater insulation water tank, mainly comprising: an insulation water tank, a photovoltaic panel is installed on the insulation water tank; a support frame is installed on the insulation water tank, a plurality of groups of vacuum heat collecting pipes are installed on the support frame; a cleaning assembly is installed on the insulation water tank, the cleaning assembly comprises: a sliding rod, the sliding rod is installed on the insulation water tank, the sliding rod has an opening sliding cavity; a motor is installed at one end of the sliding rod, a lead screw is installed on the output end of the motor, a lead screw sleeve is threadedly connected to the lead screw; a mounting bracket is connected between the two groups of lead screw sleeves, a mounting seat is snap-fitted on the mounting bracket; a cleaning brush is installed on the mounting seat; a scraper is installed on the mounting seat.

[0008] Further, the cleaning brush is in contact with the surface of the photovoltaic panel.

[0009] Further, the mounting seat has a buckle groove, the mounting seat is attached to the bottom surface of the mounting bracket through the buckle groove, a support rod is installed on the mounting bracket, and screws are threadedly connected to both ends of the support rod.

[0010] Further, screw holes adapted to the screws are formed in the mounting seat and the mounting bracket.

[0011] Further, a handle is installed at one end of the screw.

[0012] The present application has the following beneficial effects: the photovoltaic direct-drive water heater insulation water tank provided by the present application can scrape off dirt attached to the photovoltaic panel, and the cleaning brush and the scraper can be easily disassembled and cleaned.

[0013] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings accompanying the specification of the present application form a part of the specification and serve to further illustrate the illustrative embodiments of the present application and to explain the principles of the present application, and are not intended to limit the present application. In the drawings:

[0015] Figure 1 is a schematic diagram of the whole photovoltaic direct-drive water heater insulation water tank in the present application;

[0016] Figure 2 is Figure 1 an exploded schematic diagram;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0018] The following are the labeling elements in the figure:

[0019] 1. Insulated water tank; 2. Photovoltaic panel; 3. Vacuum collector tube; 4. Support frame; 5. Cleaning assembly; 501. Slide rod; 502. Motor; 503. Lead screw; 504. Lead screw sleeve; 505. Mounting bracket; 506. Mounting base; 507. Scraper; 508. Cleaning brush; 509. Clip; 510. Support rod; 511. Screw; 512. Handle. Detailed Implementation

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0022] like Figures 1-2 As shown, this application provides a photovoltaic direct-drive water heater insulated water tank, including an insulated water tank 1, a photovoltaic panel 2 fixedly installed on the insulated water tank 1, and a support frame 4 fixedly installed on the insulated water tank 1. The support frame 4 is used to support the insulated water tank 1, and a control circuit (not shown in the figure) is installed on the insulated water tank 1. The control circuit is used to control the water level in the water tank 1 and display the temperature and water level of the water in the insulated water tank 1.

[0023] Multiple sets of vacuum heat collection tubes 3 are installed on the support frame 4. The vacuum heat collection tubes 3 are connected to one end of the insulated water tank 1, and the output end of the photovoltaic panel 2 is connected to the control circuit to provide power to the control circuit.

[0024] The photovoltaic panel 2, installed on the insulated water tank 1 and connected to the control circuit, converts solar energy into electrical energy to power the control circuit and heat the water in the insulated water tank 1. This realizes the combination of solar thermal and photovoltaic applications and improves the utilization efficiency of solar energy.

[0025] like Figures 2-3As shown, the heat preservation water tank 1 is provided with an inner wall mounted cleaning assembly 5 for cleaning the surface of the photovoltaic panel 2, and the cleaning assembly 5 comprises a slide rod 501 fixedly installed on the heat preservation water tank 1 near both sides, the slide rod 501 is provided with a slide cavity (not shown in the figure), and a motor 502 is fixedly installed on one end of the slide rod 501;

[0026] A lead screw 503 is fixedly installed on the output end of the motor 502, the other end of the lead screw 503 is bearing connected with one end of the slide rod 501, and a lead screw sleeve 504 is threadedly connected on the lead screw 503, the size of the lead screw sleeve 504 is matched with the slide cavity, so that the lead screw 503 is adapted to rotate with the output end of the motor 502 to make the lead screw sleeve 504 move linearly in the slide cavity;

[0027] A mounting bracket 505 is connected and installed between the two groups of lead screw sleeves 504, a mounting seat 506 is snap-fitted and installed on the mounting bracket 505, a cleaning brush 508 is rotatably installed on the mounting seat 506, the cleaning brush 508 is in contact with the surface of the photovoltaic panel 2, so that the lead screw sleeve 504 moves linearly in the slide cavity to drive the mounting bracket 505 to move synchronously, and the cleaning brush 508 contacts the surface of the photovoltaic panel 2 and rotates on the photovoltaic panel 2 to clean the surface of the photovoltaic panel 2;

[0028] A scraper 507 is fixedly installed on one side of the mounting seat 506, the scraper 507 is in contact with the surface of the photovoltaic panel 2, and the scraper 507 is adapted to move synchronously with the mounting bracket 505 to scrape the dirt remaining on the cleaning brush 508;

[0029] The mounting seat 506 has a buckle groove 509, and the mounting seat 506 is attached to the bottom surface of the mounting bracket 505 through the buckle groove 509, a support rod 510 is fixedly installed on the mounting bracket 505, and a screw rod 511 is threadedly connected at both ends of the support rod 510;

[0030] The screw rod 511 is adapted to rotate to approach or move away from the mounting seat 506, the mounting seat 506 and the mounting bracket 505 are both provided with screw holes (not shown in the figure) matched with the screw rod 511, the screw rod 511 is adapted to rotate to pass through the mounting seat 506 and be threadedly connected on the mounting bracket 505, so that the mounting seat 506 can be fixed on the mounting bracket 505, and the mounting bracket 505 can be disassembled, and the cleaning brush 508 and the scraper 507 can be cleaned or replaced;

[0031] A handle 512 is fixedly installed on one end of the screw rod 511, the handle 512 facilitates the rotation of the screw rod 511;

[0032] Working principle:

[0033] The utility model discloses a photovoltaic panel 2 is connected with control circuit on water tank, converts solar energy into electric energy, provides power supply for control circuit, heats the water in the heat preservation water tank 1, realizes the combination of solar energy light heat application and photovoltaic application, improves the utilization efficiency of solar energy,

[0034] Meanwhile can drive the screw rod 503 to rotate through starting motor 502, to make the screw rod sleeve 504 linearly moves in the slide cavity, to drive the mounting frame 505 synchronous movement, further make the cleaning brush 508 contact photovoltaic panel 2 surface and rotate photovoltaic panel 2, to clean photovoltaic panel 2 surface, simultaneously drive the scraper 507 synchronous movement, to the dirt of cleaning brush 508 cleanings on photovoltaic panel 2 is scratched.

[0035] The above is only the preferred embodiment of the present application and is not used to limit the present application, and the present application can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A photovoltaic direct drive water heater insulation tank, characterized in that: Include: The heat preservation water tank (1), the photovoltaic panel (2) is installed on the heat preservation water tank (1); Support frame (4), the support frame (4) is installed on the heat preservation water tank (1), the support frame (4) is installed on a plurality of groups of vacuum heat collecting pipe (3); Cleaning assembly (5), the cleaning assembly (5) is installed on the heat preservation water tank (1), the cleaning assembly (5) includes: Slide rod (501), the slide rod (501) is installed on the heat preservation water tank (1), the slide rod (501) has the opening arrangement slide cavity; Motor (502), the motor (502) is installed on one end of the slide rod (501), the output end of the motor (502) is installed with the lead screw (503), the lead screw (503) is connected with the lead screw sleeve (504) on the screw thread; Mounting bracket (505), the mounting bracket (505) is connected between two groups of the lead screw sleeve (504), the mounting bracket (505) is installed with the mounting seat (506) on the buckling; Cleaning brush (508), the cleaning brush (508) is installed on the mounting seat (506); Scraper (507), the scraper (507) is installed on the mounting seat (506).

2. The photovoltaic direct drive water heater insulation tank according to claim 1, characterized in that: The cleaning brush (508) is in contact with the surface of the photovoltaic panel (2).

3. The photovoltaic direct drive water heater insulation tank according to claim 2, characterized in that: The mounting seat (506) has the buckle groove (509), the mounting seat (506) is attached to the bottom surface of the mounting bracket (505) through the buckle groove (509), the mounting bracket (505) is installed with the support rod (510), the both ends of the support rod (510) are connected with the screw rod (511) on the screw thread.

4. The photovoltaic direct drive water heater insulation tank according to claim 3, characterized in that: The mounting seat (506) and the mounting bracket (505) are all provided with the screw hole adapted to the screw rod (511).

5. A photovoltaic direct drive water heater insulation tank according to claim 4, characterized in that: One end of the screw rod (511) is installed with the handle (512).

Citation Information

Patent Citations

  • Solar water heater

    CN206247654U