CN201373580Y - Modular Tankless Solar Water Heater - Google Patents

Abstract

The utility model relates to a modular solar water heater without a water tank, which mainly includes a glass vacuum tube, a sealing tube plug plugged in the nozzle of the glass vacuum tube, a water inlet pipe and a water outlet pipe interspersed on the sealing tube plug, an electric heating tube, and a pressure ring. , "L"-shaped fastening seat, elbow, connector, and polyurethane insulation block to form a vacuum glass insulation module. The modules are plugged with the same socket tube respectively via the socket. The water heater adopts modular plug-in form, which is convenient for installation and maintenance, compact in structure, firm in sealing, good in safety performance, and can continuously provide hot water with stable temperature. In addition, the installation is flexible, easy to match with the building as a whole, and has a wide range of applications.

Description

Modular Tankless Solar Water Heater

technical field

The utility model relates to a solar water heater, in particular to a modular solar water heater without a water tank.

Background technique

Existing tankless solar water heaters use large-diameter glass vacuum tubes to form heat collectors that collect heat and store heat. The heat collection effect is better in the sun, and its volume is relatively smaller than that of traditional water heaters with water tanks. It can be integrated with buildings in multiple ways. supporting installation. However, in the existing water heaters without large-diameter glass vacuum tubes in the water tank, the glass vacuum tubes are heat collectors connected in series through "U" or "L" tubes at one time, which brings a lot of inconvenience to transportation and installation. Assembling at the installation site, the assembly is complicated and cumbersome, the sealing effect is not good, the maintenance is inconvenient, and there are potential safety hazards. In order to realize the automatic control of water intake and discharge, the solar water heaters in the prior art are controlled by a water level detector or a water level probe placed in the water tank. Automatic control, centralized function requirements, complex structure, high precision requirements, high cost, and inconvenient installation and maintenance.

Contents of the invention

The purpose of this utility model is to overcome the inconvenience of installation and maintenance of water heaters in the prior art, unsatisfactory sealing effect, high cost, easy damage, low reliability, and short service life, and provide a modular assembly, which is convenient for installation and maintenance and firm in sealing , Good safety performance, continuous supply of stable temperature hot water tankless vacuum insulation solar water heater.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a modular solar water heater without a water tank, which mainly includes a glass vacuum tube, a sealing plug plugged in the nozzle of the glass vacuum tube, and an inlet plug inserted on the sealing tube plug. A vacuum glass insulation module composed of water pipes and outlet pipes, electric heating pipes, and polyurethane insulation blocks. The technical feature is that the vacuum glass insulation module also includes connected elbows and connectors, and the water inlet pipe and outlet pipe protrude outside the sealing pipe plug The mouths of the tubes are respectively connected to the elbows, and the adjacent vacuum glass insulation modules are connected to the same intubation tube through the plugs. The modular connection method is convenient for batch processing, and the transportation, installation and maintenance are very convenient. It is only necessary to connect multiple vacuum glass insulation modules in series at one time through the intubation pipe at the construction site to form a collector, which can be plugged and unplugged, reducing labor costs. Strength, improve work efficiency.

Further, one end of the plug is threadedly connected to the elbow, and the other end is slotted, and a silicone ring is embedded in the slot, which ensures the sealing effect of plug and pull; after the adjacent vacuum glass insulation modules are connected, the connector One half of the intubation tube is placed in the connector of a vacuum glass insulation module, the other half of the intubation tube is placed in the connector of the adjacent vacuum glass insulation module, and the silicone rings on the adjacent connectors are in contact with each other, so that the adjacent modules The connection is tight and stable, and the structure is compact.

In order to improve the sealing effect of the modular tankless water heater, more than two "L"-shaped fastening seats are glued to the outer wall of the glass vacuum tube nozzle, and one side of each "L"-shaped fastening seat is glued to the outer wall of the glass vacuum tube nozzle. , the other side is provided with a through hole, the sealing pipe plug is a "U"-shaped pipe plug, a flanged pressure ring is pressed on the pipe plug mouth of the sealing pipe plug, the flange of the pressure ring is embedded in the inner opening of the sealing pipe plug, and the pressure ring There are more than two through holes on the ring surface of the pressure ring, and the through holes on the ring surface of the pressure ring and the through holes on the "L" type fastening seat are respectively locked and sealed by the nut pair, and the "L" type fastening seat and the pressure The cooperation of the sealing ring makes the sealing plug and the nozzle of the glass vacuum tube tightly sealed, which improves the sealing performance of the glass vacuum tube; The integrated cement or resin solves the problems of deformation of the sealing pipe plug, looseness and leakage of the pipe joint, improves the overall strength of the sealing pipe plug, and makes the sealing pipe plug tightly sealed and water-tight. The above sealing structure ensures the overall sealing performance of the tankless water heater.

The water inlet pipe is inserted into the glass vacuum tube close to the tail to speed up the circulation of hot and cold water in the glass vacuum tube; the water outlet pipe is inserted into the glass vacuum tube and the nozzle is bent upwards close to the upper wall of the glass vacuum tube to reduce the space occupied by the gas in the glass vacuum tube and make the glass vacuum tube Store as much water as possible to increase the water collection efficiency of your water heater.

The glass vacuum tube of the first vacuum glass insulation module on the upper part of the heat collector after the series connection is provided with a temperature probe inserted on the sealing tube plug to prevent the glass vacuum tube from being damaged by dry air and prolong the service life of the glass vacuum tube; The vent pipe connected to the outlet pipe of the first vacuum glass insulation module is equipped with a high water level probe, and the water inlet pipe of any module except the first and last vacuum glass insulation modules is connected to the hot water outlet pipe, and the temperature probe is connected to the heat pipe. The sealing pipe plug of any module between the water outlet pipes is equipped with a low water level probe, and the high and low water level probes are used on the tankless collector to control the water heater to release water into the water in sections, and the hot water with stable temperature can be used continuously, reducing the current It has the defects of high precision requirements, high cost and complex structure of water level detector or water level probe, reliable operation, low cost, and easy control and maintenance.

The nozzle of the glass vacuum tube, the integral sealing plug, the "L" type fastening seat, the electric heating tube, the temperature probe, the low water level probe, the elbow, the plug, and the silicone ring are packaged in the polyurethane insulation block , to prevent exposed parts, aging damage, good heat preservation effect, and form a single integral module with the glass vacuum tube after packaging, which is convenient and labor-saving for transportation, installation and maintenance.

The polyurethane insulation blocks of the plurality of vacuum glass insulation modules are placed in the front insulation box, and the tails of the glass vacuum tubes of the plurality of vacuum glass insulation modules are placed in the rear rear stock box, and can be placed vertically or obliquely on the roof of the building Hanging on the wall or on the wall, embedded in the wall of the building, the diameter of the glass vacuum tube and the number of modules are configured according to the needs of the user, the structure is compact, the combination is arbitrary, the installation method is diverse and flexible, and the installation space is saved.

The utility model adopts the modular plug-in form, compact structure, small space occupation, convenient installation and maintenance, and reduced labor intensity; multiple sealing structures make the water heater have good sealing and heat preservation performance; high and low water level probes ensure uninterrupted hot water around the clock Use, humanized use environment with intelligent control, low cost and long service life; modular plane structure, can be placed vertically or obliquely on the roof of the building, can also be wall-mounted or embedded in the wall of the building, flexible installation, convenient It is integrated with the building and has a wide range of applications.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a schematic diagram of the insertion of adjacent modules of the present invention.

In Fig. 1, 2 and 3: rear stock box 1, glass vacuum tube 2, water inlet pipe 3, water outlet pipe 4, front insulation box 5, ventilation pipe 6, positioning plate 7, high water level probe 8, temperature probe 9, polyamide Grease insulation block 10, sealing pipe plug 11, low water level probe 12, hot water outlet pipe 13, hot water pump 14, water pressure switch 15, hot water faucet 16, fixing screw 17, elbow 18, plug 19, silicone ring 20, Connect intubation pipe 21, electric heating pipe 22, tap water inlet pipe 23, water inlet valve 24, microcomputer controller 25, through hole 26, pressure ring 27, through hole 28, " L " type fastening seat 29.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figures 1, 2, and 3, a modular tankless solar water heater is composed of multiple vacuum glass insulation modules connected in series through intubation pipes 21 to form a heat collector. The vacuum glass insulation modules include glass vacuum tubes 2 , sealing pipe plug 11, water inlet pipe 3, water outlet pipe 4, electric heating pipe 22, pressure ring 27, "L" type fastening seat 29, elbow 18, plug 19, silicone ring 20, polyurethane insulation block 10 . The sealing tube plug 11 is plugged tightly on the nozzle of the glass vacuum tube 2, and the sealing tube plug 11 is plugged into the water inlet pipe 3 near the tail of the glass vacuum tube 2, stretched into the glass vacuum tube 2, and the nozzle is bent upwards to close to the upper wall of the glass vacuum tube Outlet pipe 4, electric heating pipe 22; sealing pipe plug 11 is a "U" type pipe plug, and a flange pressure ring 27 is pressed on the pipe plug mouth of the sealing pipe plug, and the flange of the pressure ring is embedded in the inner opening of the sealing pipe plug 11 , there are four evenly distributed through holes 26 as shown in the figure on the ring surface of the pressure ring, and four evenly distributed "L" type fastening seats 29 are glued to the outer wall of the glass vacuum tube 2 nozzle, and each "L" type One side of the fastening seat is glued to the outer wall of the glass vacuum tube nozzle, and the other side has a through hole 28. The through hole 26 on the ring surface of the pressure ring corresponds to the through hole 28 on the "L" type fastening seat, and respectively The nuts are locked and sealed; the U-shaped cavity of the sealing plug 11 is filled with cement or resin, and the sealing plug 11 is integrated with the water inlet pipe 3, the water outlet pipe 4, the electric heater 22, and the pressure ring 27. The water inlet pipe 3 and the water outlet pipe 4 on the sealing pipe plug 11 are respectively connected to the elbow 18, and one end of the plug 19 is threadedly connected with the elbow 18, and the other end of the plug 19 has an inner groove, and a silicone ring 20 is embedded in the groove; The nozzle of the glass vacuum tube 2, the integral sealing plug, the elbow 18, the connector 19, and the silicone ring 20 are packaged in the same polyurethane insulation block 10, and the glass vacuum tube 2 and the polyurethane insulation block 10 form a vacuum glass insulation module; two adjacent vacuum glass insulation modules are connected to the same intubation pipe 21 through the plug 19 of each module respectively, so that half of the intubation pipe 21 is placed in the plug of a vacuum glass insulation module, and the intubation pipe 21 The other half is placed in the connector plug of the adjacent vacuum glass insulation module, and the silicone rings 20 on the two adjacent connectors are in contact with each other. After multiple vacuum glass insulation modules are connected in series, the polyurethane insulation blocks of all modules are placed in the same front insulation box 5, and a long positioning plate 7 is arranged in the front insulation box, and the sealing pipe plug 11 of each module is There is a fixing screw 17 fixed in the center, and the fixing screw is also poured into the inner cavity of the "U"-shaped pipe plug of the sealing pipe plug. All the modules and the positioning plate 7 are locked and positioned by multiple fixing screws 17, and the tails of all modules are fixed on the rear The rear stock box 1 is installed firmly.

The outlet pipe 4 of the first vacuum glass insulation module in the upper part is connected with a ventilation pipe 6, and a high water level probe 8 is installed on the ventilation pipe, and the glass vacuum pipe 2 of the vacuum glass insulation module is provided with a temperature probe inserted on the sealing pipe plug 11 9. The water inlet pipe 3 of the third or fourth vacuum glass insulation module is connected to the hot water outlet pipe 13, and the hot water outlet pipe is connected to the hot water pump 14, the water pressure switch 15 and the hot water faucet 16, which are higher than the hot water outlet pipe. The second or the third or the fourth glass vacuum tube 2 of any vacuum glass insulation module at the water pipe 13 position is provided with a low water level probe 12 inserted on the sealing pipe plug 11, and the inlet of the vacuum glass insulation module at the bottom is The water pipe 3 is connected to the tap water inlet pipe 23, and the tap water inlet pipe is connected with a water inlet valve 24; a high water level probe 8, a low water level probe 12, a temperature probe 9, an electric heating tube 22, a hot water pump 14, a water pressure switch 15, and a water inlet valve 24 are connected with microcomputer controller 25 respectively.

When using hot water:

When the hot water tap 16 is opened, the pressure between the hot water pump 14 and the hot water tap 16 drops, and the hot water pump 14 starts to supply hot water; when the hot water tap 16 is closed, when the pressure between the hot water pump 14 and the hot water tap 16 rises to a certain value, the hot water pump 14 automatic stop;

When the water level is lower than the low water level probe 12, the water inlet valve 24 automatically opens the water supply, and the cold water pushes the hot water in the glass vacuum tube to the upper part of the heat collector until the high water level probe 8, and stops the water supply;

When the water temperature was lower than 20°C, the temperature probe 9 output a signal, and the microcomputer controller 25 controlled the hot water pump 14 not to work.

When not using hot water:

When the water level is between the high water level probe 8 and the low water level probe 12, and the temperature detected by the temperature probe 9 is greater than or equal to 70°C, the microcomputer controller 25 delays for a period of time, if no water discharge signal is received, the water inlet valve 24 is automatically opened Sheung Shui, the water will stop automatically;

When the electric heating tube 22 is used for heating, the hot water pump 14 does not work. If the water level is lower than the high water level probe 8 or the temperature probe 9 detects higher than 70°C, the electric heating stops; when the user uses hot water, the hot water pump 14 reaches the tap The pressure between 16 drops, the hot water pump 14 starts to supply hot water, and the electric heating is automatically cut off.

Claims (8)

1, a kind of modular non-water tank solar water heater, it comprises mainly by glass-vacuum tube (2), plug is at the sealing pipe close (11) of the glass-vacuum tube mouth of pipe, intert at sealed tube water inlet pipe (3) and outlet pipe (4) and electric heating tube (22) beyond the Great Wall, the vacuum glass heat-insulating module that polyamine fat heat insulating block (10) is formed, it is characterized in that: described vacuum glass heat-insulating module also comprises continuous elbow (18) and plug (19), water inlet pipe and outlet pipe stretch out the sealed tube mouth of pipe beyond the Great Wall connecting bend respectively, and adjacent vacuum glass heat-insulating module is pegged graft through plug and the same pipe (21) that patches respectively.

2, modular non-water tank solar water heater according to claim 1, it is characterized in that: described plug (19) one ends are threaded with elbow (18), other end internal orifice fluting, setting-in one silica gel circle (20) in the groove, make after adjacent vacuum glass heat-insulating module patches and patch pipe (21) half places the plug of a vacuum glass heat-insulating module, second half that patches pipe places the plug of adjacent vacuum glass heat-insulating module, and the silica gel circle on the adjacent plug is in contact with one another.

3, modular non-water tank solar water heater according to claim 1, it is characterized in that: described glass-vacuum tube (2) mouth of pipe outer wall glueds joint the fastening seat of " L " type (29) more than two, the one side of every fastening seat of " L " type is gluedd joint with glass-vacuum tube mouth of pipe outer wall, another side is provided with a through hole (28), described sealing pipe close (11) is " U " type pipe close, be pressed with a flange pressure ring (27) on the pipe close mouth of sealing pipe close, the flange of pressure ring embeds the internal orifice of sealing pipe close, the anchor ring of pressure ring is provided with two above through holes (26), through hole on the fastening seat of through hole on the pressure ring anchor ring and " L " type is respectively through the pair of nut lock sealing, and sealing pipe close " U " die cavity is had one's bosom filled with and is provided with the sealing pipe close, water inlet pipe (3), outlet pipe (4), the cement or the resin of pressure ring cast one.

4, modular non-water tank solar water heater according to claim 1, it is characterized in that: near afterbody, outlet pipe (4) inserts in the glass-vacuum tube and the mouth of pipe is upwards bent to the upper wall near glass-vacuum tube in described water inlet pipe (3) the insertion glass-vacuum tube (2).

5, modular non-water tank solar water heater according to claim 1, it is characterized in that: some vacuum glass heat-insulating modules form heat collector after patching pipe (21) and connecting successively, be provided with a temp probe (9) that interts on sealing pipe close (11) in the glass-vacuum tube (2) of first the vacuum glass heat-insulating module in top of heat collector, the breather pipe (6) that the outlet pipe of first vacuum glass heat-insulating module (4) connects is provided with high water level probe (8), except that first with last vacuum glass heat-insulating module the water inlet pipe (3) of any module be connected hot water outlet pipe (13), the sealed tube of any module is provided with low water level probe (12) beyond the Great Wall between temp probe and the hot water outlet pipe.

6, according to the arbitrary described modular non-water tank solar water heater of claim 1 to 5, it is characterized in that: the fastening seat of sealing pipe close, " L " type (29), the electric heating tube (22) of the mouth of pipe of described glass-vacuum tube (2), cast one, temp probe (9), low water level probe (12) and elbow (18), plug (19), silica gel circle (20) are packaged in the polyamine fat heat insulating block (10).

7, modular non-water tank solar water heater according to claim 1, it is characterized in that: the polyamine fat heat insulating block (10) of described many vacuum glass heat-insulating modules places preincubation box (5), and the glass-vacuum tube of many vacuum glass heat-insulating modules (2) afterbody places back tail support box (1).

8, modular non-water tank solar water heater according to claim 5 is characterized in that: described heat collector is vertical or tilt to be positioned on roof or wall hanging, the embedding building masonry wall.

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