CN211451414U

CN211451414U - Environment-friendly solar water heater capable of automatically descaling

Info

Publication number: CN211451414U
Application number: CN202020008994.2U
Authority: CN
Inventors: 刘志坚; 郭加澄; 王天赐
Original assignee: North China Electric Power University
Current assignee: North China Electric Power University
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-08
Anticipated expiration: 2030-01-03

Abstract

The utility model belongs to the technical field of the solar water heater technique and specifically relates to an automatic solar water heater of descaling of environment-friendly, which comprises a bracket, the upper end right side of support is equipped with main water tank, auxiliary water tank's upper end evenly is equipped with the connecting pipe, just be equipped with first solenoid valve on the connecting pipe, the upper end of connecting pipe is connected with the thermal-collecting tube, the upper end of thermal-collecting tube is connected with main water tank, the intercommunication has the circulating pipe between auxiliary water tank and the main water tank, just be equipped with the water pump on the circulating pipe, main water tank's outer wall front end is equipped with the inlet tube, be equipped with the second solenoid valve on the inlet tube, main water tank's outer wall rear side. The utility model has the advantages of reasonable design, it is convenient to use, can accomplish the self-cleaning work to the water heater incrustation scale, and the mode of contrast manual work clearance is convenient and fast more, has improved work efficiency greatly, has powerful practicality, is worth promoting.

Description

Environment-friendly solar water heater capable of automatically descaling

Technical Field

The utility model relates to a solar water heater technical field especially relates to an automatic solar water heater of descaling of environment-friendly.

Background

The solar water heater is a water heater which heats by taking solar energy as energy. Is one of three water heaters which are parallel to a gas water heater and an electric water heater. The solar water heater converts solar energy into heat energy, heats water from low temperature to high temperature, and meets the requirement of hot water in life and production.

However, after the solar water heater is used for a period of time, various substances are deposited on the inner wall surfaces of the water storage tank and the heat collecting pipe, and the substances are called deposits and are also called dirt generally. After fouling has occurred, the following use disadvantages result: 1. the heat exchange efficiency is reduced, the heat conduction is influenced, and the heat absorption effect is reduced; 2. the cross section and the long flux of a cold-hot water exchange channel are reduced due to scaling, so that the heating time is prolonged, the blockage can occur, certain damage is caused to a heat collecting pipe, the service life of equipment is shortened, and the use cost is increased; 3. harmful substances such as bacteria and the like can be bred in the dirt in the water tank, and the health of a user is influenced. Therefore, the water heater system must be cleaned periodically to remove deposits (scale) on the metal surfaces and kill the microbes. And the prior common scale removal needs manual disassembly for cleaning, so that a large amount of time is consumed, and the working efficiency is low. Therefore, an environment-friendly automatic descaling solar water heater is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an environment-friendly automatic descaling solar water heater.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a solar water heater of automatic descaling of environment-friendly, includes the support, the upper end right side of support is equipped with main water tank, the upper end left side of support is equipped with auxiliary water tank, auxiliary water tank's upper end evenly is equipped with the connecting pipe, just be equipped with first solenoid valve on the connecting pipe, the upper end of connecting pipe is connected with the thermal-collecting tube, the upper end of thermal-collecting tube is connected with main water tank, the intercommunication has the circulating pipe between auxiliary water tank and the main water tank, just be equipped with the water pump on the circulating pipe, main water tank's outer wall front end is equipped with the inlet tube, be equipped with the second solenoid valve on the inlet tube, main water tank's outer wall rear side.

Preferably, one side that main water tank inner chamber is close to the inlet tube is equipped with the filter screen, gear motor is installed to the upper end front side of main water tank, gear motor's output shaft runs through main water tank and is connected with the pivot, the outside of pivot is equipped with the sleeve pipe, sheathed tube inside is equipped with the spring, the one end of spring is connected with the movable rod, the one end that the spring was kept away from to the movable rod is connected with the brush that uses with the filter screen cooperation, just sheathed tube opening part is equipped with the stopper that uses with the movable rod cooperation.

Preferably, the rear side of the upper end of the main water tank is communicated with a supporting pipe, the upper end of the supporting pipe is communicated with a detergent storage tank, and the supporting pipe is provided with a fourth electromagnetic valve.

Preferably, the middle part of the upper end of the main water tank is provided with a PLC controller, and the output end of the PLC controller is connected with the output ends of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the water pump, the fourth electromagnetic valve and the speed reduction motor through wires.

Preferably, one side of the auxiliary water tank, which is far away from the circulating pipe, is communicated with a first drain pipe, a first switch valve is arranged on the first drain pipe, a second drain pipe matched with the filter screen is arranged on the front side of the lower end of the main water tank, and a second switch valve is arranged on the second drain pipe.

Preferably, bottom plates are symmetrically arranged on two sides of the lower end of the support, positioning holes are symmetrically formed in two sides of the upper end of each bottom plate, and positioning rods are inserted into the positioning holes.

The utility model provides an automatic solar water heater of scale removal of environment-friendly, beneficial effect lies in: the water flow entering from the water inlet pipe is filtered through the arranged filter screen, suspended matters and impurities in water can be removed, the scaling amount in the main water tank and the heat collecting pipe can be effectively reduced, after the water flow is used for a period of time, the speed reducing motor is controlled to be started through the PLC controller to drive the rotating shaft to rotate, the sleeve pipe and the brush can be driven to rotate, the filter screen is cleaned, the filter screen is prevented from being blocked, the cleaned impurities can be discharged from the second sewage discharge pipe, the brush can be kept attached to the filter screen through the elastic action of the spring, the cleaning effect on the filter screen is ensured, the fourth electromagnetic valve is controlled to be opened through the PLC controller, the detergent in the detergent storage tank enters the main water tank, then the second electromagnetic valve is controlled to be opened through the PLC controller, the third electromagnetic valve is closed, then, water is added into the main water tank to be mixed with the detergent to form a cleaning, close through PLC controller control second solenoid valve to open first solenoid valve, make intercommunication between main water tank, auxiliary water tank and the heat collecting pipe, then control the water pump through PLC controller and start, make the washing liquid can carry out cleaning work at the inside circulation flow of main water tank and heat collecting pipe, and last sewage is discharged through first blow-off pipe. Compared with the prior art, the utility model has the advantages of reasonable design, it is convenient to use, can accomplish the automatic clear work to the water heater incrustation scale, and the mode of contrast manual work clearance is convenient and fast more, has improved work efficiency greatly, has powerful practicality, is worth promoting.

Drawings

FIG. 1 is a schematic structural view of an environment-friendly automatic descaling solar water heater according to the present invention;

FIG. 2 is a side view of the solar water heater with environmental protection and automatic descaling functions provided by the present invention;

FIG. 3 is a schematic view of a part of an environment-friendly automatic descaling solar water heater according to the present invention;

fig. 4 is a working schematic diagram of the solar water heater with the environment-friendly automatic descaling function provided by the utility model.

In the figure: the device comprises a support 1, a main water tank 2, an auxiliary water tank 3, a connecting pipe 4, a heat collecting pipe 5, a first electromagnetic valve 6, a water inlet pipe 7, a second electromagnetic valve 8, a water outlet pipe 9, a third electromagnetic valve 10, a circulating pipe 11, a water pump 12, a supporting pipe 13, a detergent storage tank 14, a fourth electromagnetic valve 15, a filter screen 16, a speed reducing motor 17, a rotating shaft 18, a sleeve 19, a spring 20, a movable rod 21, a brush 22, a limiting block 23, a PLC (programmable logic controller) 24, a first sewage discharge pipe 25, a first switch valve 26, a bottom plate 27, a positioning hole 28, a positioning rod 29, a second sewage discharge pipe 30 and a second switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an environment-friendly automatic descaling solar water heater comprises a support 1, wherein bottom plates 27 are symmetrically arranged on two sides of the lower end of the support 1, positioning holes 28 are symmetrically arranged on two sides of the upper end of each bottom plate 27, positioning rods 29 are inserted into the positioning holes 28, and the bottom plates 27 can be conveniently installed and fixed through the matching of the positioning holes 28 and the positioning rods 29, so that the support 1 can be fixed, and the overall stability of the device is enhanced.

Support 1's upper end right side is equipped with main water tank 2, main water tank 2's upper end rear side intercommunication has stay tube 13, stay tube 13's upper end intercommunication has detergent storage jar 14, be equipped with the scale removal detergent in the detergent storage jar 14, and be equipped with fourth solenoid valve 15 on the stay tube 13, control fourth solenoid valve 15 through PLC controller 24 and open, make the detergent in the detergent storage jar 14 get into in main water tank 2, then open through PLC controller 24 control second solenoid valve 8, and close third solenoid valve 10, after that add water and the detergent mixture formation washing liquid to main water tank 2's inside, the convenience is washed main water tank 2 and heat collecting pipe 5.

The left side of the upper end of the support 1 is provided with the auxiliary water tank 3, one side, far away from the circulating pipe 11, of the auxiliary water tank 3 is communicated with a first sewage discharging pipe 25, a first switch valve 26 is arranged on the first sewage discharging pipe 25, and after the first switch valve 26 is opened, sewage generated by washing the main water tank 2 and the heat collecting pipe 5 can be discharged from the first sewage discharging pipe 25.

The upper end of the auxiliary water tank 3 is uniformly provided with a connecting pipe 4, the connecting pipe 4 is provided with a first electromagnetic valve 6, the upper end of the connecting pipe 4 is connected with a heat collecting pipe 5, the upper end of the heat collecting pipe 5 is connected with the main water tank 2, a circulating pipe 11 is communicated between the auxiliary water tank 3 and the main water tank 2, the circulating pipe 11 is provided with a water pump 12, the front end of the outer wall of the main water tank 2 is provided with a water inlet pipe 7, the water inlet pipe 7 is provided with a second electromagnetic valve 8, one side of the inner cavity of the main water tank 2, which is close to the water inlet pipe 7, is provided with a filter screen 16, the front side of the upper end of the main water tank 2 is provided with a speed reducing motor 17, the output shaft of the speed reducing motor 17 penetrates through the main water tank 2 to be connected with a rotating shaft 18, the outer side of the rotating shaft 18 is provided with, stopper 23 can avoid movable rod 21 to break away from sleeve pipe 19's inside completely, filter the rivers that get into from inlet tube 7 through the filter screen 16 that sets up, can get rid of the suspended solid and the impurity of aquatic, can effectual reduction main water tank 2 and the scale deposit volume in the heat collecting pipe 5, use after a period, start through PLC controller 24 control gear motor 17, it rotates to drive pivot 18, can drive sleeve pipe 19 and brush 22 and rotate, clear up filter screen 16, avoid filter screen 16 to be blockked up, the spring action through spring 20 can make brush 22 and filter screen 16 keep laminating, guarantee the clearance effect to filter screen 16.

The lower extreme front side of main water tank 2 is equipped with the second blow off pipe 30 that uses with filter screen 16 cooperation, is equipped with second switch valve 31 on the second blow off pipe 30, opens second switch valve 31 back, and the produced impurity of clearance filter screen 16 can be followed and discharged in the second blow off pipe 30.

The outer wall rear side of main water tank 2 is equipped with outlet pipe 9, the inside of outlet pipe 9 is equipped with third solenoid valve 10, main water tank 2 'S upper end middle part is equipped with PLC controller 24, PLC controller 24 is S7-2000F programmable logic controller, PLC controller 24' S output passes through the wire and first solenoid valve 6, second solenoid valve 8, third solenoid valve 10, water pump 12, the output of fourth solenoid valve 15 and gear motor 17 is connected, can realize the intelligent control to each electrical apparatus through PLC controller 24, realize automatic descaling work.

The working principle is as follows: the utility model can filter the water flow entering from the water inlet pipe 7 through the arranged filter screen 16, can remove suspended matters and impurities in the water, can effectively reduce the scale formation amount in the main water tank 2 and the heat collecting pipe 5, after being used for a period of time, the PLC controller 24 controls the speed reducing motor 17 to be started to drive the rotating shaft 18 to rotate, can drive the sleeve 19 and the brush 22 to rotate, cleans the filter screen 16, avoids the filter screen 16 from being blocked, the cleaned impurities can be discharged from the second blow-off pipe 30, the brush 22 can be kept to be attached to the filter screen 16 through the elastic action of the spring 20, ensures the cleaning effect on the filter screen 16, controls the fourth electromagnetic valve 15 to be opened through the PLC controller 24, ensures that the detergent in the detergent storage tank 14 is closed after entering the main water tank 2, then controls the second electromagnetic valve 8 to be opened through the PLC controller 24, and the third solenoid valve 10 is closed, then water is added into the main water tank 2 and mixed with detergent to form washing liquid, after a proper amount of water is filled, the second solenoid valve 8 is controlled to be closed through the PLC controller 24, the first solenoid valve 6 is opened, so that the main water tank 2, the auxiliary water tank 3 and the heat collecting pipe 5 are communicated, then the water pump 12 is controlled to be started through the PLC controller 24, so that the washing liquid can circularly flow in the main water tank 2 and the heat collecting pipe 5 to perform washing work, and finally, sewage generated by washing can be discharged through the first sewage discharge pipe 25.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The environment-friendly solar water heater capable of automatically descaling comprises a support (1), wherein a main water tank (2) is arranged on the right side of the upper end of the support (1), an auxiliary water tank (3) is arranged on the left side of the upper end of the support (1), and is characterized in that a connecting pipe (4) is uniformly arranged on the upper end of the auxiliary water tank (3), a first electromagnetic valve (6) is arranged on the connecting pipe (4), a heat collecting pipe (5) is connected to the upper end of the connecting pipe (4), the upper end of the heat collecting pipe (5) is connected with the main water tank (2), a circulating pipe (11) is communicated between the auxiliary water tank (3) and the main water tank (2), a water pump (12) is arranged on the circulating pipe (11), a water inlet pipe (7) is arranged at the front end of the outer wall of the main water tank (2), a second electromagnetic valve (8) is arranged on the water inlet, a third electromagnetic valve (10) is arranged in the water outlet pipe (9);

one side that main water tank (2) inner chamber is close to inlet tube (7) is equipped with filter screen (16), gear motor (17) are installed to the upper end front side of main water tank (2), the output shaft of gear motor (17) runs through main water tank (2) and is connected with pivot (18), the outside of pivot (18) is equipped with sleeve pipe (19), the inside of sleeve pipe (19) is equipped with spring (20), the one end of spring (20) is connected with movable rod (21), the one end that spring (20) were kept away from in movable rod (21) is connected with brush (22) that use with filter screen (16) cooperation, just the opening part of sleeve pipe (19) is equipped with stopper (23) that uses with movable rod (21) cooperation.

2. The environment-friendly automatic descaling solar water heater according to claim 1, wherein the rear side of the upper end of the main water tank (2) is communicated with a support pipe (13), the upper end of the support pipe (13) is communicated with a detergent storage tank (14), and the support pipe (13) is provided with a fourth electromagnetic valve (15).

3. The environment-friendly automatic descaling solar water heater according to claim 1, wherein the middle part of the upper end of the main water tank (2) is provided with a PLC (programmable logic controller) 24, and the output end of the PLC 24 is connected with the output ends of the first electromagnetic valve (6), the second electromagnetic valve (8), the third electromagnetic valve (10), the water pump (12), the fourth electromagnetic valve (15) and the speed reduction motor (17) through wires.

4. The environment-friendly automatic descaling solar water heater according to claim 1, wherein one side of the auxiliary water tank (3) far away from the circulating pipe (11) is communicated with a first drain pipe (25), the first drain pipe (25) is provided with a first switch valve (26), the front side of the lower end of the main water tank (2) is provided with a second drain pipe (30) matched with the filter screen (16), and the second drain pipe (30) is provided with a second switch valve (31).

5. The solar water heater with the environment-friendly automatic descaling function according to claim 1, wherein the two sides of the lower end of the bracket (1) are symmetrically provided with bottom plates (27), the two sides of the upper end of each bottom plate (27) are symmetrically provided with positioning holes (28), and positioning rods (29) are inserted into the positioning holes (28).