CN215808804U - Circulation heating energy-saving water heater capable of keeping constant temperature - Google Patents
Circulation heating energy-saving water heater capable of keeping constant temperature Download PDFInfo
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- CN215808804U CN215808804U CN202121242274.3U CN202121242274U CN215808804U CN 215808804 U CN215808804 U CN 215808804U CN 202121242274 U CN202121242274 U CN 202121242274U CN 215808804 U CN215808804 U CN 215808804U
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Abstract
The utility model particularly relates to a constant-temperature circulation heating energy-saving hot water device which comprises a storage tank, wherein an inner circulation inlet, an inner circulation outlet, an outer circulation inlet, an outer circulation outlet and a water filling port are formed in the storage tank; compared with the prior art that hot water is directly gathered into the storage tank, the time for circularly heating cold water in the storage tank to the hot water is shortened by more than 20 percent, and meanwhile, the cold water and the hot water are uniformly mixed, so that the condition of different local temperatures is avoided; the condition that the water heater is in transition heating due to the fact that the temperature of the internal circulation outlet is lower than that of the internal circulation inlet can not occur, and accurate heating of water temperature is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of water heaters, and particularly relates to a circulating heating energy-saving water heating device capable of keeping constant temperature.
Background
The domestic hot water circulating system is one environment protecting system for preheating and circulating domestic water. The system can be used in cooperation with various water heaters such as a gas water heater, a positive displacement water heater, an instant heating water heater, a solar water heater, an air water heater and the like, and can be installed with a water return pipe or without the water return pipe.
If the household hot water pipeline is long (the distance between the water heater and the hot water faucet is long), the user needs to wait for a long time and discharge cold water for a long time every time the user uses hot water, and waste is wasted. The home may be considered to have a hot water circulation system. In high-grade hotels with unified water supply and 24-hour business places, in order to enable customers to use hot water at any time, circulating water temperature control can be set, and the temperature of a water pipe is kept all the time, so that the water pipe does not have cold water any more. The hot water demand is satisfied for 24 hours. Some water circulation heating households, and some water requiring constant temperature or circulation heating sites. Such as medicinal material planting and breeding places of rare animals.
The working principle of the circulating water heater is that a set of check valve needs to be installed in advance when a water return system is installed, and cold water in a pipeline is pumped when the water return system works (the cold water in a hot water pipeline flows to a cold water pipeline from the check valve at this time, and water in the cold water pipeline flows to the water heater again, so that an internal circulation is formed), so that heating is carried out through the water heater. The working time of the machine can be set according to the length of the hot water pipeline.
Patent publication No. CN105531555A discloses a fluid temperature control device for laboratories, factories, homes and businesses. The fluid temperature control device may include motion tracking to adjust the display of the device. The device also includes a multi-adapter pump tube output that can be connected to multiple types of connectors. The display of the device can change the background color according to the temperature and can be controlled synchronously with other nearby systems. The device may use a wireless infrared thermometer to take temperature readings of the device controlled by the device. The device may record and track the heat being used or evolved by the equipment being controlled by the device. However, the following problems still exist:
after hot water flowing out of the water heater is gathered into the storage tank, the hot water and cold water are mixed unevenly in a short time, so that the water in the storage tank is overheated by the water heater.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a constant-temperature circulation heating energy-saving hot water device, which is used for solving the problems that the hot water flowing out of a water heater is unevenly mixed with cold water in a short time after the hot water is converged into a storage tank, so that the water in the storage tank is excessively heated by the water heater and the like in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a circulation heating energy-saving hot water device keeping constant temperature comprises a storage tank, wherein an inner circulation inlet, an inner circulation outlet, an outer circulation inlet, an outer circulation outlet and a water filling port are formed in the storage tank;
and the circulating pump is also provided with a reciprocating motion unit which is fixed on the inner wall of the storage box.
The device is also provided with an external circulating pipe and an internal circulating pipe outside, two ends of the external circulating pipe are respectively connected with an external circulating inlet and an external circulating outlet, the external circulating pipe is provided with a water using outlet, and when water is needed, hot water flows out from the water using outlet through the external circulating pipe; the water heater and the temperature sensor are connected in series on the inner circulating pipe, and when the temperature sensor transmits too low water temperature to the water heater, the water heater starts to work; the water filling port is externally connected with tap water and is used for supplementing the water amount in the storage tank.
The circulating pump further comprises a pump body, an impeller is arranged in the pump body, a motor is installed at the lower part of the pump body, the upper end of the motor is connected with the impeller through a first transmission shaft, and the lower end of the motor is connected with the reciprocating unit through a second transmission shaft;
the pump body is also provided with a water inlet and a water outlet, the water inlet is arranged right above the axis of the impeller, and the water outlet is arranged on one side of the impeller in the radial direction;
still be equipped with mechanical seal between impeller and the motor, be equipped with drive structure on the first transmission shaft, drive structure is between mechanical seal and motor, just first transmission shaft passes through drive structure and is connected with the transmission of mixing unit.
The motor is a double-end terminal motor, one motor can drive the impeller, the mixing unit and the reciprocating unit to move simultaneously, the working efficiency is high, and the use cost is low; the mechanical seal can prevent water in the pump body from flowing to the motor, and the reliable operation of the motor is ensured.
The mixing unit further comprises a shell, the shell is fixed on the circulating pump through a connecting block, the shell is hollow and cylindrical, a rotating shaft and inner fan blades are further arranged inside the shell, the rotating shaft is arranged on the axis of the shell, and the inner fan blades are fixed at the upper end of the rotating shaft;
the mixing unit also comprises a flow dividing pipe, one end of the flow dividing pipe is communicated with the inside of the pump body, and the other end of the flow dividing pipe is communicated with the inside of the shell;
the rotating shaft is in transmission connection with the first transmission shaft through a driving structure.
Further, the drive structure includes the belt again, installs the action wheel on first transmission shaft and installs the follow driving wheel on the axis of rotation, the action wheel passes through the belt and is connected from the driving wheel.
Furthermore, the mixing unit also comprises a rotating shell, the rotating shell is in a hollow cylindrical shape, the diameter of the rotating shell is the same as that of the shell, and the rotating shell is coaxial with the shell and is in rotating connection with the shell;
the rotating shaft is characterized by further comprising a rotating hub, wherein one end of the rotating hub is fixedly connected with the inner wall of the rotating shell, and the other end of the rotating hub is fixed on the rotating shaft;
outer fan blades are evenly distributed on the outer wall of the rotating shell in the circumferential direction.
Furthermore, the casing is gone back the circumference equipartition and is had the several through-hole, each be provided with in the through-hole and rotate the axle of revolving of being connected rather than, revolve the axle inner inside the casing, revolve the axle outer end outside the casing, just revolve the axle inner and install the axle flabellum of revolving, revolve the axle outer end and be fixed with the curved plate.
Furthermore, the reciprocating unit comprises a support frame, a first disc, a second disc and a driving shaft, the lower part of the support frame is fixed on the inner wall of the storage box, and the upper part of the support frame is connected with the pump body in a sliding manner;
the middle part of the support frame is provided with a first rotating hole, and the first disc is arranged in the first rotating hole and is rotationally connected with the first rotating hole;
the first disk is provided with a second rotating hole eccentric to the first disk, and the second disk is arranged in the second rotating hole and is rotationally connected with the second rotating hole;
the driving shaft is perpendicular to the second disc and is eccentrically fixed on the second disc;
the driving shaft is provided with a driven bevel gear, the second transmission shaft is provided with a driving bevel gear, and the driven bevel gear is in tooth-motion connection with the driving bevel gear.
Compared with the prior art, the utility model has the following beneficial effects:
1. the hot water entering the storage tank is divided into two parts by the circulating pump, and one part of the hot water is directly converged into the cold water in the storage tank in an impact mode, so that the temperature of the hot water and the cold water can be quickly neutralized, the cold water can flow in the storage tank, and the neutralization of the temperature of the cold water and the temperature of the cold water is accelerated.
2. The power of the motor is transmitted to the rotating shaft through the driving structure and drives the rotating shaft to rotate, the shell is kept static when the rotating shaft rotates, the inner fan blades rotate in the shell and suck cold water, and the cold water and hot water flowing into the shell from the flow dividing pipe are neutralized for the first time; and the water is discharged from the shell and then is neutralized with cold water for the second time, the heating time can be shortened by two-time temperature neutralization, the flowing of the cold water is accelerated, and the time for circularly heating the cold water in the storage tank to hot water is shortened by more than 20%.
3. The reciprocating unit drives the circulating pump and the mixing unit to move back and forth in the storage tank, so that the hot water can be neutralized with the cold water in a larger area.
4. The motor drives the second transmission shaft to rotate, and then drives the drive shaft to rotate through the bevel gear set, the drive shaft drives the second disc to eccentrically rotate with the axis of the drive shaft, the first disc rotates relative to the middle of the support frame and the second disc, so that the second disc, the drive shaft, the circulating pump and the mixing unit move back and forth in the up-and-down direction, the positions of the circulating pump and the mixing unit are changed, hot water can be neutralized with cold water in a larger area, the cold water and the hot water are uniformly mixed, and the condition of different local temperatures cannot occur.
5. When the axis of rotation rotated, through it rotates with angular speed to change the hub drive shell and outer flabellum, outer flabellum mainly stirs the radial water of axis of rotation for the neutralization of cold water and hot water reduces neutralization time, prevents to mix unevenly in the short time because of hot water and cold water, and the water of the water heater that leads to carries out the superheating to the water in the bin.
6. The water flow flowing in the shell impacts the rotating shaft fan blades to drive the rotating shaft fan blades, the rotating shaft and the curved surface sheet to rotate, the curved surface sheet mainly stirs water in the direction of the section of the outer wall of the shell, and the curved surface sheet and the outer fan blades form a complementary effect, so that the neutralization of cold water and hot water is accelerated again.
7. Belt drive is less for chain drive noise, and belt drive is little for gear drive occupation space to it is littleer to the rivers influence that flow in the casing, has improved the reliability and the work efficiency of this device.
Drawings
FIG. 1 is a schematic perspective view (a half-sectional view of a storage tank) of an embodiment of a circulation heating energy-saving hot water apparatus for keeping constant temperature according to the present invention;
FIG. 2 is a schematic perspective view (excluding the storage tank) of an embodiment of the circulation-heating energy-saving hot water apparatus for maintaining a constant temperature according to the present invention;
FIG. 3 is a schematic front view (excluding the storage tank) of an embodiment of the circulation heating energy-saving hot water apparatus for maintaining a constant temperature according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of a portion of the enlarged structure at B in FIG. 4;
FIG. 6 is an enlarged partial view of the structure at C in FIG. 4;
FIG. 7 is a schematic perspective view of a reciprocating unit in an embodiment of a constant temperature-maintaining circulation-heating energy-saving hot water apparatus according to the present invention;
reference numerals in the drawings of the specification include:
the device comprises a storage tank 1, an internal circulation inlet 11, a hose 111, an internal circulation outlet 12, an external circulation inlet 13, an external circulation outlet 14 and a water filling port 15;
the device comprises a circulating pump 2, a pump body 21, a water inlet 211, a water outlet 212, an impeller 22, a motor 23, a first transmission shaft 24, a second transmission shaft 25, a mechanical seal 26, a driving structure 27, a driving wheel 271, a driven wheel 272 and a belt 273;
mixing unit 3, shell 31, connecting block 311, rotating shaft 32, inner fan blade 33, shunt tube 34, rotating shell 35, rotating hub 351, outer fan blade 352, rotating shaft 36, rotating shaft fan blade 361 and curved sheet 362.
A reciprocating unit 4, a support bracket 41, a first disc 42, a second disc 43, a driving shaft 44, a driven bevel gear 441, and a driving bevel gear 442.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:
it should be noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
As shown in fig. 1-7, a circulation heating energy-saving hot water apparatus for keeping constant temperature comprises a storage tank 1, wherein the storage tank 1 is provided with an internal circulation inlet 11, an internal circulation outlet 12, an external circulation inlet 13, an external circulation outlet 14 and a water filling port 15, a circulation pump 2 is further arranged inside the storage tank 1, the circulation pump 2 is connected through a hose 111, a mixing unit 3 is further fixedly mounted on the circulation pump 2, and the circulation pump 2 is in transmission connection with the mixing unit 3;
the circulating pump 2 is also provided with a reciprocating unit 4, and the reciprocating unit 4 is fixed on the inner wall of the storage tank 1.
The device is also provided with an external circulation pipe and an internal circulation pipe outside, two ends of the external circulation pipe are respectively connected with an external circulation inlet 13 and an external circulation outlet 14, the external circulation pipe is provided with a water outlet, and when water is needed, hot water flows out from the water outlet through the external circulation pipe; the inner circulating pipe is connected in series with a water heater and a temperature sensor, and when the temperature sensor transmits too low water temperature to the water heater, the water heater starts to work; the water filling port 15 is externally connected with tap water for supplementing the water amount in the storage tank 1.
The circulating pump 2 is arranged in the storage tank 1, cold water is filled in the storage tank 1, hot water generated by a water heater in the internal circulating pipe enters the circulating pump 2 from the internal circulating inlet 11 through the hose 111, and a part of the hot water is directly converged into the storage tank 1; another part of the hot water enters the mixing unit 3. The mixing unit 3 sucks cold water into the mixing unit 3 by using the power of the circulating pump 2, the sucked cold water and hot water flowing in from the circulating pump 2 are mixed in the mixing unit 3 to form mixed water, and the mixed water is discharged from the mixing unit 3 and then is gathered into the storage tank 1 again; meanwhile, the reciprocating unit 4 reuses the power motion of the circulating pump 2 to make the circulating pump 2 and the mixing unit 3 reciprocate linearly in the storage tank 1, and the hose 111 can ensure that the circulating pump 2 does not fall off during reciprocating motion.
The device divides hot water entering the storage tank 1 into two parts through the circulating pump 2, one part of the hot water is directly gathered into cold water in the storage tank 1 in an impacting mode, so that the temperature of the hot water and the cold water can be quickly neutralized, the cold water can flow in the storage tank 1, and the neutralization of the temperature of the cold water and the hot water is accelerated; the other part of the hot water is neutralized with the cold water for the first time in advance under the action of the mixing unit 3, and the cold water sucked by the mixing unit 3 also improves the flow of the cold water in the storage tank 1 again; the hot water after the primary neutralization flows out of the mixing unit 3 and then is neutralized with cold water in the storage tank 1 for the second time; the reciprocating unit 4 drives the circulating pump 2 and the mixing unit 3 to move back and forth in the storage tank 1, so that hot water can be neutralized with cold water in a larger area; compared with the prior art of directly converging hot water into the storage tank 1, the device shortens the time of circularly heating cold water in the storage tank 1 to hot water by more than 20 percent, and meanwhile, the cold water and the hot water are uniformly mixed, so that the condition of different local temperatures is avoided; the condition that the temperature of the internal circulation outlet 12 is lower than that of the internal circulation inlet 11, so that the water heater is in transition heating can be avoided, and the accurate heating of the water temperature is guaranteed.
The circulating pump 2 also comprises a pump body 21, an impeller 22 is arranged in the pump body 21, a motor 23 is arranged at the lower part of the pump body 21, the upper end of the motor 23 is connected with the impeller 22 through a first transmission shaft 24, and the lower end of the motor 23 is connected with the reciprocating unit 4 through a second transmission shaft 25;
the pump body 21 is also provided with a water inlet 211 and a water outlet 212, the water inlet 211 is arranged right above the axis of the impeller 22, and the water outlet 212 is arranged at one radial side of the impeller 22;
a mechanical seal 26 is further arranged between the impeller 22 and the motor 23, a driving structure 27 is arranged on the first transmission shaft 24, the driving structure 27 is arranged between the mechanical seal 26 and the motor 23, and the first transmission shaft 24 is in transmission connection with the mixing unit 3 through the driving structure 27.
The motor 23 is a double-end terminal motor, one motor can drive the impeller 22, the mixing unit 3 and the reciprocating unit 4 to move at the same time, the working efficiency is high, and the use cost is low; the mechanical seal 26 can prevent water in the pump body 21 from flowing to the motor 23, and ensure the reliable operation of the motor 23; the hot water heated by the boiler enters the pump body 21 from the water inlet 211, and under the rotation of the impeller 22, a part of the hot water directly flows into the storage tank 1 from the water outlet 212, and the other part of the hot water flows into the shell 31 from the shunt pipe 34.
The mixing unit 3 further comprises a shell 31, the shell 31 is fixed on the circulating pump 2 through a connecting block 311, the shell 31 is hollow and cylindrical, a rotating shaft 32 and inner fan blades 33 are further arranged inside the shell 31, the rotating shaft 32 is arranged on the axis of the shell 31, and the inner fan blades 33 are fixed at the upper end of the rotating shaft 32;
the mixing unit 3 further comprises a shunt pipe 34, one end of the shunt pipe 34 is in through connection with the inside of the pump body 21, and the other end of the shunt pipe 34 is in through connection with the inside of the shell 31;
the rotating shaft 32 is drivingly connected to the first transmission shaft 24 through the driving structure 27.
The power of the motor 23 is transmitted to the rotating shaft 32 through the driving structure 27 and drives the rotating shaft 32 to rotate, the shell 31 is kept static when the rotating shaft 32 rotates, the inner fan blades 33 rotate in the shell 31 and suck cold water, and the cold water and hot water flowing from the shunt pipe 34 into the shell 31 are neutralized for the first time; and then discharged through the housing 31 and secondarily neutralized with cold water, which can shorten the heating time and accelerate the flow of cold water by two temperature neutralizations, thereby shortening the time of circularly heating cold water in the storage tank 1 to hot water by more than 20%.
The driving structure 27 further includes a belt 273, a driving pulley 271 mounted on the first transmission shaft 24, and a driven pulley 272 mounted on the rotation shaft 32, wherein the driving pulley 271 is connected with the driven pulley 272 through the belt 273.
The belt transmission is smaller than the chain transmission noise, the belt transmission occupies a small space relative to the gear transmission, the influence on the water flow flowing in the shell 31 is smaller, and the reliability and the working efficiency of the device are improved.
The reciprocating unit 4 comprises a support frame 41, a first disc 42, a second disc 43 and a driving shaft 44, the lower part of the support frame 41 is fixed on the inner wall of the storage box 1, and the upper part of the support frame 41 is connected with the pump body 21 in a sliding way;
a first rotating hole is formed in the middle of the supporting frame 41, and a first disc 42 is arranged in the first rotating hole and is rotatably connected with the first rotating hole;
the first disk 42 is provided with a second rotating hole eccentric to the first disk, and the second disk 43 is arranged in the second rotating hole and is rotationally connected with the second rotating hole;
the driving shaft 44 is perpendicular to the second disk 43, and the driving shaft 44 is eccentrically fixed on the second disk 43;
the driving shaft 44 is provided with a driven bevel gear 441, the second transmission shaft 25 is provided with a driving bevel gear 442, and the driven bevel gear 441 is in toothed connection with the driving bevel gear 442.
The motor 23 drives the second transmission shaft 25 to rotate, and further drives the driving shaft 44 to rotate through the bevel gear set, the driving shaft 44 drives the second disc 43 to eccentrically rotate along the axis of the driving shaft 44, the first disc 42 rotates relative to the middle of the supporting frame 41 and the second disc 43, so that the second disc 43, the driving shaft 44, the circulating pump 2 and the mixing unit 3 move back and forth in the up-and-down direction, the positions of the circulating pump 2 and the mixing unit 3 are changed, and hot water can be neutralized with cold water in a larger area.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1 to 7, the circulation heating energy-saving hot water apparatus for maintaining constant temperature includes a storage tank 1, an internal circulation inlet 11, an internal circulation outlet 12, an external circulation inlet 13, an external circulation outlet 14 and a water filling port 15 are formed on the storage tank 1, a circulation pump 2 is further disposed inside the storage tank 1, the circulation pump 2 is connected through a hose 111, a mixing unit 3 is further fixedly mounted on the circulation pump 2, and the circulation pump 2 is in transmission connection with the mixing unit 3;
the circulating pump 2 is also provided with a reciprocating unit 4, and the reciprocating unit 4 is fixed on the inner wall of the storage tank 1.
The device is also provided with an external circulation pipe and an internal circulation pipe outside, two ends of the external circulation pipe are respectively connected with an external circulation inlet 13 and an external circulation outlet 14, the external circulation pipe is provided with a water outlet, and when water is needed, hot water flows out from the water outlet through the external circulation pipe; the inner circulating pipe is connected in series with a water heater and a temperature sensor, and when the temperature sensor transmits too low water temperature to the water heater, the water heater starts to work; the water filling port 15 is externally connected with tap water for supplementing the water amount in the storage tank 1.
The circulating pump 2 is arranged in the storage tank 1, cold water is filled in the storage tank 1, hot water generated by a water heater in the internal circulating pipe enters the circulating pump 2 from the internal circulating inlet 11 through the hose 111, and a part of the hot water is directly converged into the storage tank 1; another part of the hot water enters the mixing unit 3. The mixing unit 3 sucks cold water into the mixing unit 3 by using the power of the circulating pump 2, the sucked cold water and hot water flowing in from the circulating pump 2 are mixed in the mixing unit 3 to form mixed water, and the mixed water is discharged from the mixing unit 3 and then is gathered into the storage tank 1 again; meanwhile, the reciprocating unit 4 reuses the power motion of the circulating pump 2 to make the circulating pump 2 and the mixing unit 3 reciprocate linearly in the storage tank 1, and the hose 111 can ensure that the circulating pump 2 does not fall off during reciprocating motion.
The device divides hot water entering the storage tank 1 into two parts through the circulating pump 2, one part of the hot water is directly gathered into cold water in the storage tank 1 in an impacting mode, so that the temperature of the hot water and the cold water can be quickly neutralized, the cold water can flow in the storage tank 1, and the neutralization of the temperature of the cold water and the hot water is accelerated; the other part of the hot water is neutralized with the cold water for the first time in advance under the action of the mixing unit 3, and the cold water sucked by the mixing unit 3 also improves the flow of the cold water in the storage tank 1 again; the hot water after the primary neutralization flows out of the mixing unit 3 and then is neutralized with cold water in the storage tank 1 for the second time; the reciprocating unit 4 drives the circulating pump 2 and the mixing unit 3 to move back and forth in the storage tank 1, so that hot water can be neutralized with cold water in a larger area; compared with the prior art of directly converging hot water into the storage tank 1, the device shortens the time of circularly heating cold water in the storage tank 1 to hot water by more than 20 percent, and meanwhile, the cold water and the hot water are uniformly mixed, so that the condition of different local temperatures is avoided; the condition that the temperature of the internal circulation outlet 12 is lower than that of the internal circulation inlet 11, so that the water heater is in transition heating can be avoided, and the accurate heating of the water temperature is guaranteed.
The circulating pump 2 also comprises a pump body 21, an impeller 22 is arranged in the pump body 21, a motor 23 is arranged at the lower part of the pump body 21, the upper end of the motor 23 is connected with the impeller 22 through a first transmission shaft 24, and the lower end of the motor 23 is connected with the reciprocating unit 4 through a second transmission shaft 25;
the pump body 21 is also provided with a water inlet 211 and a water outlet 212, the water inlet 211 is arranged right above the axis of the impeller 22, and the water outlet 212 is arranged at one radial side of the impeller 22;
a mechanical seal 26 is further arranged between the impeller 22 and the motor 23, a driving structure 27 is arranged on the first transmission shaft 24, the driving structure 27 is arranged between the mechanical seal 26 and the motor 23, and the first transmission shaft 24 is in transmission connection with the mixing unit 3 through the driving structure 27.
The motor 23 is a double-end terminal motor, one motor can drive the impeller 22, the mixing unit 3 and the reciprocating unit 4 to move at the same time, the working efficiency is high, and the use cost is low; the mechanical seal 26 can prevent water in the pump body 21 from flowing to the motor 23, and ensure the reliable operation of the motor 23; the hot water heated by the boiler enters the pump body 21 from the water inlet 211, and under the rotation of the impeller 22, a part of the hot water directly flows into the storage tank 1 from the water outlet 212, and the other part of the hot water flows into the shell 31 from the shunt pipe 34.
The mixing unit 3 further comprises a shell 31, the shell 31 is fixed on the circulating pump 2 through a connecting block 311, the shell 31 is hollow and cylindrical, a rotating shaft 32 and inner fan blades 33 are further arranged inside the shell 31, the rotating shaft 32 is arranged on the axis of the shell 31, and the inner fan blades 33 are fixed at the upper end of the rotating shaft 32;
the mixing unit 3 further comprises a shunt pipe 34, one end of the shunt pipe 34 is in through connection with the inside of the pump body 21, and the other end of the shunt pipe 34 is in through connection with the inside of the shell 31;
the rotating shaft 32 is drivingly connected to the first transmission shaft 24 through the driving structure 27.
The power of the motor 23 is transmitted to the rotating shaft 32 through the driving structure 27 and drives the rotating shaft 32 to rotate, the shell 31 is kept static when the rotating shaft 32 rotates, the inner fan blades 33 rotate in the shell 31 and suck cold water, and the cold water and hot water flowing from the shunt pipe 34 into the shell 31 are neutralized for the first time; and then discharged through the housing 31 and secondarily neutralized with cold water, which can shorten the heating time and accelerate the flow of cold water by two temperature neutralizations, thereby shortening the time of circularly heating cold water in the storage tank 1 to hot water by more than 20%.
The driving structure 27 further includes a belt 273, a driving pulley 271 mounted on the first transmission shaft 24, and a driven pulley 272 mounted on the rotation shaft 32, wherein the driving pulley 271 is connected with the driven pulley 272 through the belt 273.
The belt transmission is smaller than the chain transmission noise, the belt transmission occupies a small space relative to the gear transmission, the influence on the water flow flowing in the shell 31 is smaller, and the reliability and the working efficiency of the device are improved.
The mixing unit 3 further comprises a rotating shell 35, the rotating shell 35 is hollow cylindrical and has the same diameter as the shell 31, and the rotating shell 35 is coaxial with the shell 31 and is rotatably connected with the shell;
the rotating shaft is characterized by further comprising a rotating hub 351, wherein one end of the rotating hub 351 is fixedly connected with the inner wall of the rotating shell 35, and the other end of the rotating hub 351 is fixed on the rotating shaft 32;
the outer wall of the rotating shell 35 is also provided with outer fan blades 352 uniformly distributed on the circumference.
When axis of rotation 32 rotated, driven through commentaries on classics hub 351 and rotated shell 35 and outer flabellum 352 and rotate with angular speed, outer flabellum 352 mainly stirs the radial water of axis of rotation 32 for the neutralization of cold water and hot water reduces neutralization time, prevents to carry out the superheating because of the water heater that hot water and cold water mix inequality in the short time, the water that leads to in to the storage box.
A plurality of through holes are evenly distributed on the circumference of the shell 31, a rotating shaft 36 which is rotatably connected with the through holes is arranged in each through hole, the inner end of the rotating shaft 36 is arranged in the shell 31, the outer end of the rotating shaft 36 is arranged outside the shell 31, a rotating shaft fan blade 361 is arranged at the inner end of the rotating shaft 36, and a curved surface plate 362 is fixed at the outer end of the rotating shaft 36.
The water flowing in the housing 31 impacts the rotating shaft fan 361 to drive the rotating shaft fan 361, the rotating shaft 36 and the curved plate 362 to rotate, the curved plate 362 mainly stirs the water in the cross section direction of the outer wall of the housing 31, and the curved plate 362 and the outer fan 352 form a complementary effect, thereby accelerating the neutralization of the cold water and the hot water again.
The reciprocating unit 4 comprises a support frame 41, a first disc 42, a second disc 43 and a driving shaft 44, the lower part of the support frame 41 is fixed on the inner wall of the storage box 1, and the upper part of the support frame 41 is connected with the pump body 21 in a sliding way;
a first rotating hole is formed in the middle of the supporting frame 41, and a first disc 42 is arranged in the first rotating hole and is rotatably connected with the first rotating hole;
the first disk 42 is provided with a second rotating hole eccentric to the first disk, and the second disk 43 is arranged in the second rotating hole and is rotationally connected with the second rotating hole;
the driving shaft 44 is perpendicular to the second disk 43, and the driving shaft 44 is eccentrically fixed on the second disk 43;
the driving shaft 44 is provided with a driven bevel gear 441, the second transmission shaft 25 is provided with a driving bevel gear 442, and the driven bevel gear 441 is in toothed connection with the driving bevel gear 442.
The motor 23 drives the second transmission shaft 25 to rotate, and further drives the driving shaft 44 to rotate through the bevel gear set, the driving shaft 44 drives the second disc 43 to eccentrically rotate along the axis of the driving shaft 44, the first disc 42 rotates relative to the middle of the supporting frame 41 and the second disc 43, so that the second disc 43, the driving shaft 44, the circulating pump 2 and the mixing unit 3 move back and forth in the up-and-down direction, the positions of the circulating pump 2 and the mixing unit 3 are changed, and hot water can be neutralized with cold water in a larger area.
The advantages of the second embodiment over the first embodiment are:
in the second embodiment, when the rotating shaft 32 of the utility model rotates, the rotating hub 351 drives the rotating shell 35 and the outer fan blades 352 to rotate at the same angular speed, and the outer fan blades 352 mainly stir the water in the radial direction of the rotating shaft 32, so that the neutralization of cold water and hot water is accelerated, the neutralization time is reduced, and the water in the storage tank is prevented from being overheated by the water heater due to the uneven mixing of the hot water and the cold water in a short time;
the water flowing in the housing 31 impacts the rotating shaft fan 361 to drive the rotating shaft fan 361, the rotating shaft 36 and the curved plate 362 to rotate, the curved plate 362 mainly stirs the water in the cross section direction of the outer wall of the housing 31, and the curved plate 362 and the outer fan 352 form a complementary effect, thereby accelerating the neutralization of the cold water and the hot water again.
The use method of the circulation heating energy-saving hot water device for keeping the constant temperature comprises the following steps:
s1, heating by a water heater, arranging an external circulation pipe and an internal circulation pipe outside the storage tank 1, wherein two ends of the external circulation pipe are respectively connected with an external circulation inlet 13 and an external circulation outlet 14, a water using outlet is arranged on the external circulation pipe, and hot water flows out from the water using outlet through the external circulation pipe when water is needed; the inner circulating pipe is connected in series with a water heater and a temperature sensor, and when the temperature sensor transmits too low water temperature to the water heater, the water heater starts to work;
s2, dividing, wherein hot water generated by a water heater in the inner circulating pipe enters the circulating pump 2 from the inner circulating inlet 11 through the hose 111, and a part of the hot water is directly gathered into the storage tank 1; another part of the hot water enters the mixing unit 3;
s3, the water temperature is directly neutralized, and a part of hot water is directly merged into cold water in the storage tank 1 in an impacting manner to neutralize the water temperature;
s4, the water temperature is neutralized indirectly, the mixing unit 3 sucks the cold water into the mixing unit 3 by the power of the circulating pump 2, the sucked cold water and the hot water flowing in from the circulating pump 2 are mixed in the mixing unit 3 to form mixed water, and the mixed water is discharged from the mixing unit 3 and then collected into the storage tank 1 again;
s5, neutralizing the position change, the reciprocating unit 4 makes the circulating pump 2 and the mixing unit 3 reciprocate in a straight line in the storage tank 1 by the power motion of the circulating pump 2 again.
S4 further includes:
s4-1, sucking cold water, transmitting the power of the motor 23 to the rotating shaft 32 through the driving structure 27 and driving the rotating shaft to rotate, keeping the shell 31 stationary when the rotating shaft 32 rotates, and rotating the inner fan blades 33 in the shell 31 and sucking the cold water;
s4-2, first neutralization, the cold water and the hot water flowing from the shunt tube 34 into the shell 31 are neutralized for the first time;
and S4-3, performing second neutralization, namely discharging the water after the first mixing through the shell 31 and performing second neutralization with the cold water in the storage tank 1.
S4 further includes:
s4-4, mixing radially, when the rotating shaft 32 rotates, the rotating hub 351 drives the rotating shell 35 and the outer fan blades 352 to rotate at the same angular speed, and the outer fan blades 352 mainly stir water in the radial direction of the rotating shaft 32 to realize radial mixing;
s4-5, mixing the outer wall sections of the shell 31, wherein the water flow flowing in the shell 31 impacts the rotating shaft fan blades 361 to drive the rotating shaft fan blades 361, the rotating shaft 36 and the curved sheet 362 to rotate, and the curved sheet 362 mainly stirs the water in the outer wall section direction of the shell 31 to realize the mixing of the outer wall sections of the shell 31.
The method of the utility model divides the hot water heated by the water heater into two parts by the circulating pump 2, one part of the hot water directly carries out temperature neutralization with the cold water in the storage tank 1, and the other part of the hot water flows into the mixing unit 3 to carry out twice neutralization with the cold water; meanwhile, the outer fan blades 352 and the curved pieces 362 stir the water in the storage tank 1 in the other direction, accelerating the flow of the water; the reciprocating unit 4 drives the circulating pump 2 and the mixing unit 3 to move back and forth in the storage tank 1 by using the power of the circulating pump 2, and the positions of neutralization and mixing are changed; the utility model not only reduces the neutralization time of hot water and cold water, but also can uniformly mix the hot water and the cold water, thereby avoiding the situation of overhigh local temperature; meanwhile, the condition that the temperature of the internal circulation outlet 12 is lower than that of the internal circulation inlet 11, so that the water heater is excessively heated is prevented, and the accurate heating of the water temperature is guaranteed.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. The utility model provides a keep homothermal circulation heating energy-conserving hot-water heating device, includes storage tank (1), internal circulation import (11), internal circulation export (12), extrinsic cycle import (13), extrinsic cycle export (14) and water filling port (15) have been seted up on storage tank (1), its characterized in that: a circulating pump (2) is further arranged inside the storage box (1), the circulating pump (2) is connected through a hose (111), a mixing unit (3) is further fixedly mounted on the circulating pump (2), and the circulating pump (2) is in transmission connection with the mixing unit (3);
still install reciprocating motion unit (4) on circulating pump (2), reciprocating motion unit (4) are fixed on bin (1) inner wall.
2. A circulation heating energy-saving hot water apparatus for maintaining a constant temperature according to claim 1, wherein: the circulating pump (2) further comprises a pump body (21), an impeller (22) is arranged in the pump body (21), a motor (23) is installed on the lower portion of the pump body (21), the upper end of the motor (23) is connected with the impeller (22) through a first transmission shaft (24), and the lower end of the motor (23) is connected with the reciprocating unit (4) through a second transmission shaft (25);
the pump body (21) is also provided with a water inlet (211) and a water outlet (212), the water inlet (211) is arranged right above the axis of the impeller (22), and the water outlet (212) is arranged on one radial side of the impeller (22);
still be equipped with mechanical seal (26) between impeller (22) and motor (23), be equipped with drive structure (27) on first transmission shaft (24), drive structure (27) are between mechanical seal (26) and motor (23), just first transmission shaft (24) are connected with mixing unit (3) transmission through drive structure (27).
3. A constant temperature-maintaining circulation heating energy-saving hot water apparatus as claimed in claim 2, wherein: the mixing unit (3) further comprises a shell (31), the shell (31) is fixed on the circulating pump (2) through a connecting block (311), the shell (31) is in a hollow cylindrical shape, a rotating shaft (32) and inner fan blades (33) are further arranged inside the shell (31), the rotating shaft (32) is arranged on the axis of the shell (31), and the inner fan blades (33) are fixed at the upper end of the rotating shaft (32);
the mixing unit (3) further comprises a shunt pipe (34), one end of the shunt pipe (34) is in through connection with the inside of the pump body (21), and the other end of the shunt pipe (34) is in through connection with the inside of the shell (31);
the rotating shaft (32) is in transmission connection with the first transmission shaft (24) through a driving structure (27).
4. A constant temperature-maintaining circulation heating energy-saving hot water apparatus as claimed in claim 3, wherein: the driving structure (27) further comprises a belt (273), a driving wheel (271) arranged on the first transmission shaft (24) and a driven wheel (272) arranged on the rotating shaft (32), and the driving wheel (271) is connected with the driven wheel (272) through the belt (273).
5. A circulation heating energy-saving hot water device for keeping constant temperature according to claim 4, characterized in that: the mixing unit (3) further comprises a rotating shell (35), the rotating shell (35) is hollow cylindrical and has the same diameter as the shell (31), and the rotating shell (35) is coaxial with the shell (31) and is in rotating connection with the shell;
the rotating shaft further comprises a rotating hub (351), one end of the rotating hub (351) is fixedly connected with the inner wall of the rotating shell (35), and the other end of the rotating hub (351) is fixed on the rotating shaft (32);
outer fan blades (352) are evenly distributed on the outer wall of the rotating shell (35) in the circumferential direction.
6. A circulation heating energy-saving hot water device for keeping constant temperature according to claim 5, characterized in that: still the circumference equipartition has the several through-hole on casing (31), each be provided with in the through-hole one rather than rotate the axle (36) of revolving of being connected, revolve axle (36) inner inside casing (31), revolve axle (36) outer end outside casing (31), just revolve axle (36) inner and install and revolve axle flabellum (361), it is fixed with curved sheet (362) to revolve axle (36) outer end.
7. A circulation heating energy-saving hot water device for keeping constant temperature according to any one of claims 2-6, characterized in that: the reciprocating unit (4) comprises a support frame (41), a first disc (42), a second disc (43) and a driving shaft (44), the lower part of the support frame (41) is fixed on the inner wall of the storage box (1), and the upper part of the support frame (41) is connected with the pump body (21) in a sliding manner;
a first rotating hole is formed in the middle of the supporting frame (41), and the first disc (42) is arranged in the first rotating hole and is rotatably connected with the first rotating hole;
a second rotating hole eccentric to the first disk (42) is formed in the first disk, and the second disk (43) is arranged in the second rotating hole and is rotationally connected with the second rotating hole;
the driving shaft (44) is perpendicular to the second disc (43), and the driving shaft (44) is eccentrically fixed on the second disc (43);
the driving shaft (44) is provided with a driven bevel gear (441), the second transmission shaft (25) is provided with a driving bevel gear (442), and the driven bevel gear (441) is in tooth-motion connection with the driving bevel gear (442).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121242274.3U CN215808804U (en) | 2021-06-04 | 2021-06-04 | Circulation heating energy-saving water heater capable of keeping constant temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121242274.3U CN215808804U (en) | 2021-06-04 | 2021-06-04 | Circulation heating energy-saving water heater capable of keeping constant temperature |
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| Publication Number | Publication Date |
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| CN215808804U true CN215808804U (en) | 2022-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324282A (en) * | 2021-06-04 | 2021-08-31 | 何林 | Constant-temperature-keeping circulation heating energy-saving water heating device and using method thereof |
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2021
- 2021-06-04 CN CN202121242274.3U patent/CN215808804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324282A (en) * | 2021-06-04 | 2021-08-31 | 何林 | Constant-temperature-keeping circulation heating energy-saving water heating device and using method thereof |
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Granted publication date: 20220211 |