CN113587434B - Domestic hot water circulation water return device convenient to maintenance - Google Patents
Domestic hot water circulation water return device convenient to maintenance Download PDFInfo
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- CN113587434B CN113587434B CN202111038539.2A CN202111038539A CN113587434B CN 113587434 B CN113587434 B CN 113587434B CN 202111038539 A CN202111038539 A CN 202111038539A CN 113587434 B CN113587434 B CN 113587434B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 319
- 238000012423 maintenance Methods 0.000 title claims description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003044 adaptive effect Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 239000012535 impurity Substances 0.000 description 13
- 230000006978 adaptation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/06—Arrangement of mountings or supports for heaters, e.g. boilers, other than space heating radiators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention relates to the technical field of household products, in particular to a household hot water circulating water return device convenient to maintain, which comprises an installation plate and two height adjusting slide rails, wherein a water heater is arranged on the outer wall of the installation plate, a bottom support plate is arranged at the bottom of the installation plate, two connecting hoses are respectively arranged on the outer wall of the water heater below the water heater, a hot water pipe and a cold water pipe are respectively arranged at the other end of each connecting hose, one end of each hot water pipe, close to the installation plate, is fixedly connected with the height adjusting slide rails through bolts, a flow control valve is arranged inside each hot water pipe, an elastic filter screen is arranged at the output end of the flow control valve, and a displacement sensor is arranged at the bottom of the water heater and used for detecting the distance between the water heater and the hot water pipes. The water heater is convenient for workers to maintain, the heating efficiency of the water heater can be changed along with the change of the water temperature in the hot water pipe, and the water flow speed in the hot water pipe can be changed along with the change of the hot water temperature in the hot water pipe, so that the adaptability of the water heater is improved.
Description
Technical Field
The invention relates to the technical field of household products, in particular to a household water return device for hot water circulation, which is convenient to maintain.
Background
Backwater, originally called circulating water, is also commonly called a water return device in the industry of hot water circulating devices because the influence of backwater brand is wide. Compared with the prior home decoration process, the pipeline is also called a water return pipe, and in the use process of the household water heater, in order to improve the utilization rate of water resources, cold water which is discharged from a hot water port and stays in the pipeline is generally led into a cooling port through a water return device, so that waste of the water resources is avoided.
The Chinese patent CN201710215545.8 discloses a device capable of effectively preventing water from returning to a water heater, which comprises a water heater, a water returning main body and an operation and control main body, wherein the lower end of one side of the water heater is fixedly provided with a hot water outlet, the lower end of the other side of the water heater is fixedly provided with a cold water inlet, a hot water delivery pipe is fixedly arranged at one end of a water returning pipeline, a cold water inlet pipe is fixedly arranged at the other end of the water returning pipeline, a temperature control valve body is fixedly arranged on the water returning pipeline, a water returning pump is fixedly arranged at one side of a temperature control valve body, a water delivery electric control valve body is fixedly arranged on the hot water delivery pipe, a water inlet electric control valve body is fixedly arranged on the cold water inlet pipe, the lower end of one side of the water heater is provided with a connecting rod, the operation and control main body is fixedly arranged at the lower end of the connecting rod, and a timer socket is fixedly arranged at one side of a display screen; the application of home-use for hot water circulation return water device all installs the pipeline department on the cold water mouth generally, and the water heater is in the top when the installation, and its mounted position is higher, if the return water device breaks down in the use, when maintaining it, maintenance personal need upwards scramble one section height through the double ladder, and this just leads to the return water device comparatively loaded down with trivial details when the maintenance, and has the potential safety hazard in the maintenance personal climbing maintenance process.
Meanwhile, in the using process, a user cannot know whether the water heater is damaged or not in the first time, so that hot water does not flow out when the water heater is urgently needed, and normal life is influenced; and a large amount of impurity dirt can be produced in the hot water pipeline after long-time use, and if the hot water pipeline cannot be cleaned in the using process, the heating and the drainage of the water heater can be influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the household water return device for hot water circulation, which is convenient to maintain, so that the maintenance treatment of the water return device is facilitated, the heating efficiency of the water heater can be adaptively adjusted according to the temperature of a hot water pipe, the opening degree of a flow control valve is changed, and the cleaning effect of the hot water pipe and an elastic filter screen is realized.
In order to achieve the purpose, the invention adopts the following technical scheme: a household backwater device for hot water circulation convenient to maintain comprises a mounting plate and two height adjusting slide rails, wherein a water heater is arranged on the outer wall of the mounting plate, a bottom supporting plate is arranged at the bottom of the mounting plate, two connecting hoses are respectively arranged at the bottoms of the water heaters, a hot water pipe and a cold water pipe are respectively arranged at the other ends of the connecting hoses, one end, close to the mounting plate, of the hot water pipe is fixedly connected with the height adjusting slide rails through bolts, a flow control valve is arranged inside the hot water pipe, an elastic filter screen is arranged at the output end of the flow control valve, a displacement sensor is arranged at the bottom of the water heater and used for detecting the distance between the water heater and the hot water pipe, a backwater device is arranged on the outer wall of the cold water pipe, a controller is arranged on one side of the backwater device, a backflow pipe is arranged on the outer wall, which is positioned below the backwater device, through a tee joint is arranged on the outer wall of the backflow pipe, and is provided with a one-way valve, the tail end of the hot water pipe is communicated with the input end of the return pipe, and the tail end of the hot water pipe is provided with a temperature sensor for detecting the temperature value inside the hot water pipe;
the inner walls of the two height adjusting slide rails are both connected with an adjusting slide block in a sliding manner, the mounting plate is fixedly connected to the outer wall of the adjusting slide block, lateral slide rails are arranged on two sides of each height adjusting slide rail, an electric telescopic rod is arranged inside each lateral slide rail, an adapting rod is arranged at the output end of the electric telescopic rod, the top of each adapting rod is of a wedge-shaped structure, an adapting wedge-shaped groove is formed in the bottom of each adjusting slide rail, and each adapting wedge-shaped groove is in wedge-shaped connection with each adapting rod;
the bottom of the mounting plate is provided with a plurality of layers of telescopic plates, a slide rheostat is arranged in each layer of telescopic plates, the resistance value of each slide rheostat is reduced along with the increase of the height of each layer of telescopic plates, and each slide rheostat is connected with a heating circuit of the water heater in series;
when the temperature value detected by the temperature sensor is reduced, the controller controls the electric telescopic rod to extend, the height of the multi-layer telescopic plate is increased, the resistance value of the slide rheostat is reduced, and the heating efficiency of the water heater is increased; when the displacement value detected by the displacement sensor reaches the set threshold value and gradually increases, the controller controls the flow control valve to be opened and the output port to continuously increase.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the height adjusting slide rail, the adjusting slide block, the lateral slide rail and the slide rod, when the water heater and the water return device are installed, the water heater and the water return device are installed on the installing plate on the adjusting slide block, the bottom supporting plate supports the lower part of the water heater and the water return device is required to be maintained, the electric telescopic rod drives the adaptive rod to be separated from the adaptive wedge-shaped groove at the bottom of the adjusting slide block, so that the two adaptive rods cannot support the adjusting slide block, the adjusting slide block slides from the height adjusting slide rail, the friction rod slides in the slide groove in the sliding process of the adjusting slide block to increase the contact area, the friction resistance of sliding downwards is increased, the output of manual labor force is reduced, the water return device is moved to the lower part, the maintenance of the water return device is facilitated for workers, and meanwhile, the potential safety hazard is eliminated;
2. by arranging the buffering component, when the water returning device is used for adjusting the height of the water returning device, the adjusting sliding block is contacted with the abutting plate when moving to the bottom, the double-layer abutting plate and the buffering spring between the double-layer abutting plate buffer and weaken the descending potential energy of the adjusting sliding block, so that the adjusting sliding block is prevented from causing corresponding accidents due to too fast adjustment when descending, the safety of the water returning device in the height adjusting process is ensured, and meanwhile, when the water returning device is used for descending the height, the multiple layers of telescopic plates slowly shrink along with the multi-layer telescopic plates, and the safety of the water returning device in the adjusting process is further improved;
3. by arranging the temperature sensor, when the temperature detected by the temperature sensor is reduced, the controller controls the electric telescopic rod to extend, the electric telescopic rod drives the adaptive rod to transversely move, the adaptive rod is in wedge-shaped fit with the adjusting slide block to drive the adjusting slide block to move upwards, the adjusting slide block drives the water heater to move upwards, the multilayer telescopic plates move upwards, the resistance value of the sliding rheostat in the multilayer telescopic rod is reduced, the heating efficiency of the water heater is increased along with the reduction of the temperature of hot water in the hot water pipe, the excessive consumption of energy caused by the repeated heating of water in the water heater is avoided, and the energy is greatly saved; meanwhile, the resistance value of the multilayer expansion plates is the largest when the water heater is disassembled, so that a good protection effect is achieved, and safety accidents caused by forgetting to pull out the switch of the water heater are avoided;
4. by arranging the displacement sensor and the flow control valve, when the temperature value detected by the temperature sensor is reduced, the water heater is highly increased along with the temperature value detected by the temperature sensor, when the displacement value detected by the displacement sensor reaches the set displacement threshold value, the controller controls the flow control valve to be opened, meanwhile, along with the continuous increase of the displacement value detected by the displacement sensor, the opening degree of the flow control valve is increased, by means of the continuous increase of water flow in the hot water pipe, the circulation speed of the hot water can be increased, so that the hot water reaches a water outlet as soon as possible, meanwhile, the change of the flow speed of the water flow can also wash the hot water pipe, so that dirt, scale and the like in the hot water pipe can be removed, the filter screen not only can filter larger impurities, but also can effectively wash and crush the larger impurities at the top of the filter screen by means of the change of the height of the water heater and the change of the flow speed of the flowing water, and the crushed impurities are directly discharged along the water outlet, avoid it to cause the jam to the hot-water line, the device has solved the problem of forgetting the plug and the inside water of evacuation water heater that exists when needs maintain the dismantlement to the water heater well, improves the security performance of device, can accomplish better protection user's safety and health to be convenient for more maintain the water heater and handle, improve maintenance efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of an adjusting slider structure according to the present invention;
FIG. 4 is a schematic view of a buffer assembly according to the present invention.
In the drawings: 1. mounting a plate; 2. a height adjustment slide rail; 3. a lateral slide rail; 4. a base plate; 5. a ground rod; 6. a plurality of layers of expansion plates; 7. a hot water pipe; 8. a bottom support plate; 9. a cold water pipe; 10. a return pipe; 11. a one-way valve; 12. a water return device; 13. a water heater; 14. a sliding groove; 15. an adapter rod; 16. adjusting the sliding block; 17. a connecting rod; 18. a friction lever; 19. a slide bar; 20. a touch plate; 21. a hydraulic lever; 22. a buffer spring; 23. an electric telescopic rod; 24. a connecting hose; 25. a flow control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment:
referring to fig. 1-4, a domestic hot water circulation water return device convenient to maintain comprises a mounting plate 1 and two height adjusting slide rails 2, wherein a water heater 13 is arranged on the outer wall of the mounting plate 1, a bottom supporting plate 8 is fixedly connected to the outer wall of the mounting plate 1 close to the bottom, the water heater 13 is in contact with the bottom supporting plate 8, and the water heater 13 is fixedly supported by the mounting plate 1 and the bottom supporting plate 8.
The outer wall of the water heater 13 at the lower part is respectively provided with two connecting hoses 24, the other ends of the connecting hoses 24 are respectively provided with a hot water pipe 7 and a cold water pipe 9, and the height change of the water heater 13 can be effectively adapted through the connecting hoses 24.
And the outer wall of cold water pipe 9 is equipped with wet return 12, wet return 12 one side is equipped with the controller, each electrical component of controller electrical control, the outer wall that cold water pipe 9 is located wet return 12 below is equipped with back flow pipe 10 through the tee bend, and the outer wall of back flow pipe 10 has check valve 11 through flange joint, the orientation of check valve 11 is by back flow pipe 10 to cold water pipe 9, the end of hot-water line 7 is linked together with the input of back flow pipe 10, thereby the device realizes a set of complete backward flow route, wherein under the power traction of wet return 12, hot water in hot-water line 7 can follow back flow pipe 10 and carry out the secondary heating to water heater 13 inside, thereby guarantee that the water in hot-water line 7 is hot water always, avoided needing to wait for certain time when using hot water, cause the waste.
The inner walls of the two height adjusting slide rails 2 are both connected with adjusting slide blocks 16 in a sliding manner, the mounting plate 1 is fixedly connected with the outer walls of the two adjusting slide blocks 16, the outer wall of one opposite side of each of the two adjusting slide blocks 16 is fixedly connected with the same connecting rod 17, the outer walls of the height adjusting slide rails 2 at the two ends of each of the adjusting slide blocks 16 are both fixedly connected with lateral slide rails 3, an electric telescopic rod 23 is arranged inside each of the lateral slide rails 3, the output end of the electric telescopic rod 23 is provided with an adapting rod 15, the inner walls of the two lateral slide rails 3 are both connected with a sliding rod 19 in a sliding manner, the outer wall of the sliding rod 19 is fixedly connected with the bottom of the adapting rod 15, therefore, when the controller controls the electric telescopic rod 23 to start, the adapting rod 15 can be driven to move, the inner walls of the two sides of the height adjusting slide rails 2 are both provided with sliding grooves 14, the outer walls of the two sides of each of the adjusting slide blocks 16 are both fixedly connected with friction rods 18, and the friction rods 18 are slidably connected with the inner walls of the sliding grooves 14, the friction rod 18 slides in the sliding groove 14, which not only plays a good supporting and limiting role in the movement of the adjusting slider 16, but also can increase the friction force of the descending of the adjusting slider 16, and prevent the water heater 13 on one side from being damaged due to the fact that the descending of the adjusting slider 16 is too fast.
The bottom outer wall of the adjusting slide block 16 is provided with an adaptive wedge-shaped groove which is matched with the adaptive rod 15, when the water heater 13 and the water return device 12 are installed, the water heater 13 and the water return device 12 are installed through the height adjusting slide rail 2, the adjusting slide block 16, the lateral slide rail 3 and the slide rod 19, the adaptive wedge-shaped groove is installed on the installing plate 1 on the adjusting slide block 16, the bottom supporting plate 8 supports the lower part of the water return device, when the water return device 12 needs to be maintained, the controller controls the electric telescopic rod 23 to start, the electric telescopic rod 23 contracts to drive the adaptive rod 15 to move outwards, the adaptive rod 15 is separated from the adaptive wedge-shaped groove at the bottom of the adjusting slide block 16, so that the two adaptive rods 15 cannot support the adjusting slide block 16, the adjusting slide block 16 slides from the height adjusting slide rail 2, the friction rod 18 slides in the slide groove 14 in the sliding process of the adjusting slide block 16, the contact area is increased, and the sliding friction resistance is increased, the output of the manual labor force is reduced, the water return device 12 is moved to the lower side, the worker can maintain the water return device conveniently, and meanwhile potential safety hazards are eliminated.
According to the invention, the bottom outer wall of the height adjusting slide rail 2 is fixedly connected with the bottom plate 4, the top outer wall of the bottom plate 4 is provided with the buffer assembly, the buffer assembly is positioned inside the height adjusting slide rail 2 and comprises two touch plates 20 and the buffer spring 22, the buffer spring 22 is arranged on the outer wall of one side opposite to the two touch plates 20 and the outer wall of the other side opposite to the bottom plate 4 of the touch plates 20, the outer wall of one side opposite to the two touch plates 20 and the outer wall of one side opposite to the bottom plate 4 of the touch plates 20 are both fixedly connected with the hydraulic rod 21, and the bottom of the adjusting slide block 16 can be contacted with the buffer assembly by means of the buffer assembly when the water heater 13 is put down, so that the shock absorption and buffering effects of the adjusting slide block 16 are ensured, and the damage caused by the contact of the adjusting slide block and the ground is avoided.
According to the invention, the outer wall of the bottom of the connecting rod 17 is fixedly connected with the multiple layers of expansion plates 6, the tops of the multiple layers of expansion plates 6 are fixedly connected with the connecting rod 17, the outer wall of the bottom of the multiple layers of expansion plates 6 is fixedly connected with the grounding rod 5, and the multiple layers of expansion plates 6 can play a supporting and protecting role on the connecting rod 17 at the top, so that the structural damage of the connecting rod 17 caused by overlarge acting force is avoided.
When the water heater is used, the water heater 13 is arranged on the mounting plate 1, the bottom support plate 8 supports and protects the bottom of the water heater 13, the water return device 12 is arranged at the position of the cold water pipe 9, the tail end of the hot water pipe 7 is communicated with the return pipe 10, the other end of the return pipe 10 is communicated with the cold water pipe 9 through the one-way valve 11, after the water return device 12 is installed, cold water flowing out of the hot water pipe 7 is guided into the cold water pipe 9 through the water return device 12 in the using process, waste of water resources is avoided, if the water return device 12 fails in the using process, the controller controls the electric telescopic rod 23 to be started, the electric telescopic rod 23 drives the adaptive rods 15 to be separated from the adaptive wedge-shaped grooves at the bottom of the adjusting slide block 16, so that the two adaptive rods 15 cannot support the adjusting slide block 16, the adjusting slide block 16 slides from the height adjusting slide rail 2, and in the sliding process of the adjusting slide block 16, the friction rod 18 slides in the sliding groove 14, the contact area is increased, so that the sliding friction resistance is increased, the output of manual labor force is reduced, the water return device 12 is moved to the lower portion, a worker maintains the water return device, after the maintenance is completed, the adjusting sliding block 16 is moved to the upper portion of the adapting rod 15, the adapting wedge-shaped groove below the adapting rod 15 and the adjusting sliding block 16 are connected, and the water heater 13 and the water return device 12 are reset. The device can well complete the hot water backflow effect of the water heater 13, is easy and quick to assemble, strong in adaptability, adjustable in installation height, simple and convenient to disassemble when the water heater 13 needs to be maintained, capable of improving the maintenance efficiency, good in damping and buffering effects and capable of greatly reducing the labor intensity.
The second embodiment:
based on the return water device for household hot water circulation, which is provided by the first embodiment and is convenient to maintain, in actual use, due to the multiple return circulation functions inside the hot water pipe 7 and the return pipe 10, impurities are accumulated and deposited inside the hot water pipe 7 and the return pipe 10, and if the impurities are not effectively filtered and crushed, the influence on the health of people is caused; meanwhile, the water temperature of the water in the water heater 13 is also reduced when the water is placed outdoors for a long time, so that the water in the water heater 13 needs to be heated after being cooled, the hot water in the hot water pipe 7 is also heated after being cooled by the water pump of the water return device 12 and flows back into the water heater 13 along the return pipe 10, so that the operation of the water heater 13 is started not only by cooling the water in the water heater 13, but also by cooling the hot water in the hot water pipe 7, and because the cooling speed of the water in the water heater 13 is different from that of the water in the hot water pipe 7, the water temperature in the water heater 13 is lower than the required hot water temperature, so that the optimal hot water temperature cannot be reached, the working time of the water heater 13 is greatly prolonged, and electric energy is wasted; in order to solve the above problems, the conveniently maintained return water device for domestic hot water circulation further comprises: one end of the hot water pipe 7 close to the mounting plate 1 is fixedly connected with the height adjusting slide rail 2 through a bolt, a flow control valve 25 is arranged inside the hot water pipe 7, the opening degree of the flow control valve 25 can be controlled through a controller, so that the water flow speed inside the hot water pipe 7 and the return pipe 10 can be changed, the flushing effect on the impurities attached to the inside is achieved, an elastic filter screen is arranged at the output end of the flow control valve 25, the elastic filter screen can effectively filter larger impurities, the larger scale impurities attached to the outer side of the elastic filter screen are flushed and crushed in combination with the change of the water flow speed, so that the impurities are changed into smaller harmless impurities to be discharged, the blockage of a pipeline is effectively avoided, the service life of components is reduced, a temperature sensor is arranged at the tail end of the hot water pipe 7 and used for detecting the temperature value inside the hot water pipe, a displacement sensor is arranged at the bottom of the water heater 13 and used for detecting the distance between the water pipe 7 and the displacement sensor, all transmit temperature value and distance value to the controller inside, through controller control electric telescopic handle 23's flexible work.
The top of adaptation pole 15 is the wedge structure, and the bottom outer wall of adjusting the slider 16 is opened there is the adaptation wedge groove, and the adaptation wedge groove is connected with adaptation pole 15 wedge, so when controller control electric telescopic handle 23 controlled and is removed, and electric telescopic handle 23 drove about the adaptation pole 15, and adaptation pole 15 can drive adjusting the slider 16 through the wedge cooperation with adjusting the slider 16 and reciprocate, and adjusting the slider 16 just can drive water heater 13 and reciprocate.
The sliding rheostat is arranged in the multilayer expansion plate 6, the resistance value of the sliding rheostat is reduced along with the increase of the height of the multilayer expansion plate 6, the sliding rheostat is connected with a heating circuit of the water heater 13 in series, and the resistance value of the multilayer expansion plate 6 is reduced along with the increase of the height of the water heater 13, so that when the water heater 13 is increased to the maximum, the resistance value of the sliding rheostat is minimum, and the heating efficiency of the water heater 13 is maximum.
When the water heater is used, as can be seen from the first embodiment, after all the components are connected and fixed, the hot water pipe 7 is filled with hot water, when the temperature value detected by the temperature sensor at the tail end of the hot water pipe 7 is lower than a preset threshold value and gradually decreases, the controller controls the electric telescopic rods 23 at the two sides to gradually extend, the electric telescopic rods 23 drive the adaptive rods 15 at the two sides to gradually move towards the middle, the adaptive rods 15 are in wedge-shaped fit with the bottoms of the adjusting sliders 16 to drive the adjusting sliders 16 to move upwards, the adjusting sliders 16 drive the water heater 13 to move upwards, when the water heater 13 moves upwards, the connecting rods 17 drive the multilayer flexible plates 6 to gradually increase, the sliding rheostat resistance inside the multilayer flexible plates 6 is gradually reduced, the heating efficiency of the water heater 13 is gradually increased, therefore, the heating efficiency of the water heater 13 can correspondingly change along with the change of the temperature of hot water in the hot water pipe 7, and when the temperature of the hot water in the hot water pipe 7 decreases, the heating efficiency of the water heater 13 is increased, so that preparation can be made in advance for subsequent water changing work, waste of energy caused by multiple starting work of the water heater 13 is avoided, the adaptability of the heating efficiency of the water heater 13 is improved, and the heating effect is ensured.
At this time, the displacement value detected by the displacement sensor at the bottom of the water heater 13 gradually increases, when the position value detected by the displacement sensor reaches the threshold value, the controller controls the flow control valve 25 to be opened, and the opening degree of the flow control valve 25 is gradually increased along with the continuous change of the height of the water heater 13, at this time, the flow rate of hot water in the water heater 13 flowing to the inside of the hot water pipe 7 along the connecting hose 24 is gradually increased, so that scale stains in the hot water pipe 7 are washed and cleaned, the blockage in the hot water pipe 7 is prevented, meanwhile, larger impurities in the hot water pipe 7 can be adhered and intercepted by the elastic filter screen, the elastic filter screen in the hot water pipe 7 continuously generates elastic vibration under the action of the changeable water flow, the larger scale impurities filtered by the elastic filter screen can be crushed and flow into the hot water pipe 7 along the filter holes in the elastic filter screen, finally, the water is discharged along the water outlet, so that the blockage of the pipeline and the like can be avoided.
When the hot water in the hot water pipe 7 flows to the position communicated with the return pipe 10, the temperature value detected by the temperature sensor rises to the set threshold value, so that the controller controls the electric telescopic rod 23 to continuously contract to the original position, the displacement value detected by the displacement sensor is continuously reduced to the set threshold value, the controller controls the opening degree of the flow control valve 25 to gradually reduce and finally close, the height of the multilayer telescopic plate 6 is continuously reduced along with the continuous reduction of the height of the water heater 13, the resistance value of the slide rheostat in the multilayer telescopic rod 6 is continuously increased, when the multilayer telescopic plate 6 is reduced to the lowest point, the resistance value of the slide rheostat is maximum, the water heater 13 stops working, the working time and the hot water flow of the water heater 13 can be well controlled in the process, the effects of being opened along with the use, controlling the hot water flow and the like are achieved, and the electric energy is saved to the maximum extent, efficiency is improved, be convenient for wash inside the pipeline, prevent to cause the emergence of the condition such as jam.
When the water heater 13 is disassembled and maintained, the controller controls the electric telescopic rod 23 to contract according to the first embodiment, the electric telescopic rod 23 drives the adaptive rod 15 to move reversely, the adaptive rod 15 is matched with the adjusting slide block 16 in a wedge shape to drive the adjusting slide block 16 to descend, the adjusting slide block 16 drives the water heater 13 to descend, the disassembling height adjusting slide rail 2 is connected with the hot water pipe 7 through bolts, the height of the multilayer expansion plate 6 of the water heater 13 is continuously reduced in the descending process, the resistance value of the sliding rheostat in the water heater 13 is continuously increased, the water heater 13 is in a closed state, so that safety accidents caused by forgetting to pull out a power switch cannot happen in the descending process of the water heater 13, serious safety accidents are caused, meanwhile, the position value detected by the displacement sensor is increased to the maximum value due to the disassembly of the hot water pipe 7, and the controller controls the flow control valve 25 to be opened to the maximum degree, the water in the water heater 13 can be discharged along the connecting hose 24 and the hot water pipe 7, so that the water heater 13 can be maintained conveniently, the problem that the water heater is forgotten to pull out the electric plug and empty the water in the water heater 13 when the water heater needs to be maintained and detached is well solved by the device, the safety performance of the device is improved, the safety and the health of a better protection user can be achieved, the water heater 13 can be maintained and treated more conveniently, and the maintenance efficiency is improved.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be equally replaced or changed within the protection scope of the present invention.
Claims (9)
1. The utility model provides a domestic return water device for hot water circulation convenient to maintenance, includes mounting panel (1) and two altitude mixture control slide rails (2), its characterized in that, the outer wall of mounting panel (1) is equipped with water heater (13), the bottom of mounting panel (1) is equipped with bottom sprag board (8), water heater (13) bottom is equipped with two coupling hose (24) respectively, the other end of coupling hose (24) is equipped with hot-water line (7) and cold water pipe (9) respectively, the one end that hot-water line (7) are close to mounting panel (1) passes through bolt fixed connection with altitude mixture control slide rail (2), the inside of hot-water line (7) is equipped with flow control valve (25), the output of flow control valve (25) is equipped with elastic filter, the bottom of water heater (13) is equipped with displacement sensor and is used for detecting its and the distance between hot-water line (7), a water return device (12) is arranged on the outer wall of the cold water pipe (9), a controller is arranged on one side of the water return device (12), a return pipe (10) is arranged on the outer wall, located below the water return device (12), of the cold water pipe (9) through a tee joint, a check valve (11) is arranged on the outer wall of the return pipe (10), the tail end of the hot water pipe (7) is communicated with the input end of the return pipe (10), and a temperature sensor is arranged at the tail end of the hot water pipe (7) and used for detecting the temperature value inside the hot water pipe;
the inner walls of the two height adjusting slide rails (2) are both slidably connected with an adjusting slide block (16), the mounting plate (1) is fixedly connected to the outer wall of the adjusting slide block (16), the two sides of the height adjusting slide rails (2) are provided with lateral slide rails (3), an electric telescopic rod (23) is arranged inside the lateral slide rails (3), the output end of the electric telescopic rod (23) is provided with an adapting rod (15), the inner walls of the two lateral slide rails (3) are both slidably connected with a slide rod (19), the outer wall of the slide rod (19) is fixedly connected with the bottom of the adapting rod (15), the top of the adapting rod (15) is of a wedge-shaped structure, the bottom of the adjusting slide block (16) is provided with an adapting wedge-shaped groove, and the adapting wedge-shaped groove is connected with the adapting rod (15);
the mounting plate (1) is fixedly connected to the outer walls of the two adjusting sliding blocks (16), the outer wall of one side, opposite to the two adjusting sliding blocks (16), of each adjusting sliding block is fixedly connected with the same connecting rod (17), the outer wall of the bottom of each connecting rod (17) is fixedly connected with a plurality of layers of telescopic plates (6), a sliding rheostat is arranged inside each multi-layer telescopic plate (6), the resistance value of each sliding rheostat is reduced along with the increase of the height of each multi-layer telescopic plate (6), and each sliding rheostat is connected with a heating circuit of the water heater (13) in series;
when the temperature value detected by the temperature sensor is reduced, the controller controls the electric telescopic rod (23) to extend, the height of the multilayer telescopic plate (6) is increased, the resistance value of the slide rheostat is reduced, and the heating efficiency of the water heater (13) is increased; when the displacement value detected by the displacement sensor reaches a set threshold value and gradually increases, the controller controls the flow control valve (25) to be opened and the output port to continuously increase.
2. The conveniently maintained return water device for the household hot water circulation according to claim 1, wherein sliding grooves (14) are formed in the inner walls of the two sides of the height adjusting sliding rail (2), friction rods (18) are fixedly connected to the outer walls of the two sides of the adjusting sliding block (16), and the friction rods (18) are slidably connected to the inner walls of the sliding grooves (14).
3. The conveniently maintained water returning device for the household hot water circulation as claimed in claim 1, wherein a bottom plate (4) is fixedly connected to the outer wall of the bottom of the height adjusting slide rail (2), and a buffering component is arranged on the outer wall of the top of the bottom plate (4) and is located inside the height adjusting slide rail (2).
4. A return water device for domestic hot water circulation convenient to maintain according to claim 3, characterized in that the buffer assembly comprises two abutting plates (20) and a buffer spring (22), the buffer spring (22) is installed on the outer wall of one side opposite to the two abutting plates (20) and the outer wall of one side opposite to the bottom plate (4) of the abutting plates (20).
5. The conveniently maintained return water device for domestic hot water circulation according to claim 4, wherein the two opposite side outer walls of the abutting plate (20) and the opposite side outer wall of the bottom plate (4) are both fixedly connected with hydraulic rods (21).
6. A service-friendly return water device for domestic hot water circulation according to claim 1, characterised in that the water heater (13) is in contact with the top of the bottom support plate (8).
7. The easy-to-maintain water return device for a domestic hot water circulation system of claim 1, wherein the controller electrically controls the electrical components.
8. The conveniently maintained return water device for domestic hot water circulation of claim 1, wherein the one-way valve (11) is fixedly connected with the return pipe (10) through a flange, and the flow direction of the one-way valve (11) is from the return pipe (10) to the cold water pipe (9).
9. The conveniently maintained return water device for the household hot water circulation is characterized in that the top of the multi-layer expansion plate (6) is fixedly connected with a connecting rod (17), and the outer wall of the bottom of the multi-layer expansion plate (6) is fixedly connected with a grounding rod (5).
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| CN202111038539.2A CN113587434B (en) | 2021-09-06 | 2021-09-06 | Domestic hot water circulation water return device convenient to maintenance |
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| CN113587434B true CN113587434B (en) | 2022-07-12 |
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