CN213578072U

CN213578072U - Novel constant temperature water heater

Info

Publication number: CN213578072U
Application number: CN202021036664.0U
Authority: CN
Inventors: 容志
Original assignee: Guangdong Sijifu Gas Appliance Co ltd
Current assignee: Guangdong Sijifu Gas Appliance Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-29
Anticipated expiration: 2030-06-08

Abstract

A novel constant-temperature water heater comprises a shell, a combustion heating device, a water inlet device, an exhaust device and a control box, wherein the combustion heating device is installed in the shell in an adaptive mode; the control box is respectively electrically connected with the combustion heating device, the exhaust device and the water inlet device; the combustion heating device is provided with an electric thermocouple and an igniter, one end of the water inlet device is also connected with a constant temperature device, and the shell comprises an inner shell and a detachable outer shell which is half-wrapped outside the inner shell; the utility model discloses set up the detachable shell and be convenient for the user to overhaul the maintenance to water heater inside, the setting up of while constant temperature water tank makes the hot and cold water obtain abundant mixture.

Description

Novel constant temperature water heater

Technical Field

The utility model relates to an electric water heater field, in particular to novel constant temperature water heater.

Background

In the prior art, the gas water heater has the defects that the water temperature is unstable, and the gas water heater is rapidly cooled and heated when in use, so that diseases such as cold and the like are easily caused; when the wall is required to be maintained after being mounted on a wall, the interior of the wall can be maintained only by dismounting the whole machine, and the wall cannot be quickly and timely inspected and maintained; the pipeline, the water tank and the like have the problems of water accumulation and the like after use, the pipeline and the water tank are corroded by long-time water accumulation, the service life of a product is shortened, and the water quality of a user is also influenced; when the temperature in the north is lower, the accumulated water in the pipeline and the water tank is frozen to cause the conditions of burst of the pipeline and the water tank and the like.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a novel constant temperature water heater to solve the not enough that exists among the prior art.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a novel constant-temperature water heater comprises a shell, a combustion heating device, a water inlet device, an exhaust device and a control box, wherein the combustion heating device is installed in the shell in an adaptive mode; the control box is respectively electrically connected with the combustion heating device, the exhaust device and the water inlet device; the combustion heating device is provided with an electric thermocouple and an igniter, one end of the water inlet device is further connected with a constant temperature device, and the shell comprises an inner shell and a movable half-wrapped outer shell of the inner shell.

Further, the combustion heating device comprises a combustor, a combustion chamber and a heat exchanger, the combustion chamber and the heat exchanger are mounted on the combustor in a matching mode, the combustor, the combustion chamber and the heat exchanger are communicated in sequence, and an air inlet valve is further connected to the lower end of the combustor.

Furthermore, the burner comprises a fire grate, a burner shell sleeved outside the fire grate and a connecting block, the fire grate is connected with the air inlet valve through the connecting block, a gas channel is arranged in the connecting block, and the gas channel is communicated with the air inlet valve and the fire grate; the electric thermocouple and the igniter are installed on the burner shell in a matching mode.

Furthermore, the heat exchanger is formed by sequentially arranging a plurality of heat exchange sheets, and a plurality of through holes are formed in the heat exchange sheets.

Further, the exhaust device comprises an exhaust cavity and a fan for exhausting air outwards; one end of the exhaust cavity is matched and installed with the heat exchanger and communicated with the heat exchanger, the other end of the exhaust cavity is matched and installed with the fan, and an air outlet is formed in the upper portion of the fan.

Furthermore, the water inlet device comprises a water pipe, a water pump and a water inlet valve, and the water inlet valve is connected with the water pump through a pipeline; the water pipe is including encircleing one section of water pipe on the combustion chamber outer wall and making a round trip to pass the water pipe two-stage segment of through-hole, one section of water pipe and water pipe two-stage segment intercommunication, one section initiating terminal of water pipe with the water pump intercommunication, the end of water pipe two-stage segment with the constant temperature equipment intercommunication.

Further, the constant temperature device comprises a constant temperature water tank for mixing cold water and hot water, a water inlet pipe and a water outlet pipe; the water inlet pipe extends into the top end of the constant-temperature water tank and extends to a position below the constant-temperature water tank; the water outlet pipe extends into the constant temperature water tank from the lower end of the constant temperature water tank and extends to a position above the constant temperature water tank.

Furthermore, the lower extreme of constant temperature water tank still is equipped with the drain pipe, the drain pipe lower extreme still is equipped with the relief valve.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the detachable shell is arranged, so that a user can conveniently overhaul and maintain the interior of the water heater; 2. the water pipe can improve the water temperature more quickly; 3. the arrangement of the interior of the constant temperature device can ensure that cold water and hot water are fully mixed in the constant temperature water tank, thereby improving the use experience of users; 4. the drain pipe is arranged at the bottom of the constant-temperature water tank, so that residual water in the constant-temperature water tank can be quickly and conveniently drained; 5. a pressure release valve is arranged at the lower end of the constant temperature device, so that damage caused by overlarge internal pressure is avoided.

Drawings

Fig. 1 is a perspective view of a novel constant temperature water heater according to an embodiment of the present invention.

Fig. 2 is a front perspective view of the novel constant temperature water heater after the housing is opened.

Fig. 3 is an exploded view of a combustion heating apparatus according to an embodiment of the present invention.

Fig. 4 is a perspective view of the thermostat device according to the embodiment of the present invention.

Fig. 5 is a front view of a thermostat according to an embodiment of the present invention.

Fig. 6 is a schematic view of a cross-sectional view of the thermostat device and a flow direction of water after entering the thermostat device according to an embodiment of the present invention.

Fig. 7 is a front sectional view and a gas flow diagram of a connecting block according to an embodiment of the present invention.

Fig. 8 is an exploded view of a housing of an embodiment of the invention.

In the figure: the device comprises a shell 1, an exhaust device 11, a concentration cavity 12, an exhaust outlet 13, a control box 14, a fan 15, an inner shell 17, an outer shell 18, a combustion heating device 2, a combustor 21, a combustor shell 211, a fire grate 212, a connecting block 213, a gas channel 214, an igniter 215, an electric thermocouple 216, a combustion chamber 22, a through hole 221, a heat exchange loop 222, a heat exchanger 23, a channel 231, an air inlet valve 24, a water inlet device 3, a water inlet valve 31, a water pump 32, a water pipe 33, a pipeline 34, a first water pipe section 331, a second water pipe section 332, a constant temperature device 4, a constant temperature water tank 41, a water inlet pipe 42, a water outlet pipe 43.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a novel constant temperature water heater comprises a housing 1, a combustion heating device 2 adapted to be installed in the housing 1, a water inlet device 3 adapted to be installed in the combustion heating device 2, an exhaust device 11 adapted to be installed at the top of the combustion heating device 2, and a control box 14; as shown in fig. 8, the housing 1 includes an inner shell 17 and an outer shell 18, the outer shell 18 is half-wrapped outside the inner shell 17 in a detachable manner, so that a user can detach the outer shell and overhaul and maintain the interior of the water heater, a control panel is further disposed on the outer wall of the outer shell 18, the control panel is electrically connected to the control box 14, and the control box 14 is electrically connected to the combustion heating device 2, the exhaust device 11, and the water inlet device 3 respectively; the combustion heating device 2 is provided with a thermocouple 216 and an igniter 215, and one end of the water inlet device 3 is also connected with a thermostatic device 4.

The combustion heating device 2 comprises a combustor 21, a combustion chamber 22 which is installed on the combustor 21 in a matched mode, and a heat exchanger 23 which is arranged above the combustion chamber 22 in a matched mode, wherein the combustor 21, the combustion chamber 22 and the heat exchanger 23 are sequentially communicated from bottom to top, the lower end of the combustor 21 is further connected with an air inlet valve 24, the combustor 21 comprises a fire grate 212, a combustor shell 211 which is sleeved outside the fire grate 212 and a connecting block 213, the combustor shell 211 and the air inlet valve 24 are connected through the connecting block 213, as shown in fig. 7, a gas channel 214 is arranged in the connecting block 213, and a gas through hole 2111 is formed in the position, corresponding to the gas channel 214, of the combustor shell 211, so that the gas channel 214 is communicated with the air inlet valve 24 and the fire grate 212; the thermocouple 216 and igniter 215 are fitted to the burner housing 211. When the air intake valve 24 is opened, gas enters the fire row 212 through the gas passage 214, and the igniter 215 ignites the gas.

The heat exchanger 23 is formed by sequentially overlapping and arranging a plurality of heat exchange plates 232, a plurality of through holes 221 are distributed on the heat exchange plates 232, the through holes 221 are overlapped to form a heat exchange loop 222, and in this embodiment, five heat exchange loops 222 are arranged.

The exhaust device 11 comprises an exhaust cavity 12 and a fan 15 for exhausting air outwards; one end of the exhaust cavity 12 is matched and communicated with the heat exchanger 23, the other end of the exhaust cavity 12 is matched and installed with the fan 15, and an air outlet 13 is arranged above the fan 15. The upper end of the shell 1 is also provided with an air outlet 16 which is matched with the air outlet 13; the heat generated by the combustion of the burner 21 and the combusted gas go upwards through the combustion chamber 22, the heat exchanger 23 absorbs the heat generated by the combustion, and the combusted gas enters the exhaust cavity 12 and is exhausted outwards from the exhaust outlet 13 by the fan 15.

The water inlet device 3 comprises a water pipe 33, a water pump 32 and a water inlet valve 31, the water inlet valve 31 is connected with the water inlet end of the water pump 32 through a pipeline 34, and the water pipe 33 is connected with the water outlet end of the water pump 32; the water pipe 33 comprises a water pipe section 331 and a water pipe section 332 which surround the outer wall of the combustion chamber 22, and the water pipe section 332 passes through the heat exchange loop 222 and then passes through the other heat exchange loop 222 in the opposite direction, so that the water pipe section 332 passes through the heat exchange loop 222 in the heat exchange device in a snake-like shape; the first water pipe section 331 is communicated with the second water pipe section 332, the starting end of the first water pipe section 331 is communicated with the water pump 32, and the tail end of the second water pipe section 332 is communicated with the thermostatic device 4. When the water inlet valve 31 is opened, water firstly flows through the first water pipe section 331 and then enters the second water pipe section 332, after the combustor 21 burns, the temperature in the combustion chamber 22 rises, the first water pipe section 331 surrounds the outer wall of the combustion chamber 22, when cold water flows through, energy conversion is carried out between the cold water and the heat of the combustion chamber 22, cold water is preheated, the temperature of the cold water is further raised, the water temperature can be raised more quickly during later heating, and meanwhile, the effect of saving energy is also achieved; similarly, after the combustor 2 burns, the heat exchanger 23 absorbs and stores heat generated by the combustion, and when water in the water pipe section 332 flows through, energy conversion is performed between the water and the heat exchanger 23, so that heat in the heat exchanger 23 is absorbed, and the temperature of the water is further raised to a set value.

As shown in fig. 4-6, the thermostatic device 4 includes a thermostatic water tank 41 for mixing cold water and hot water, a water inlet pipe 42, and a water outlet pipe 43, and a water outlet pipe 45 is provided at the lower end of the thermostatic device 4; the water inlet pipe 42 extends from the top end of the constant temperature water tank 41 to a position which is about 10mm away from the bottom of the constant temperature water tank 41 and below the constant temperature water tank 41; the water outlet pipe 43 extends upward from the lower end of the constant temperature water tank 41 to a position above the constant temperature water tank 41 and at a distance of about 10mm from the top of the constant temperature water tank 41. Hot water enters the bottom of the constant temperature water tank 41 from the water inlet pipe 42, and when the water is over the top end of the water outlet pipe 43, the water is discharged from the water outlet pipe 43. The operating principle of the thermostat 4 is as follows: when the water heater is used, cold water in the water outlet pipe 42 flows out of heated hot water, so that the phenomenon of quenching and heating suddenly exists; or when the temperature of the user is adjusted, the phenomenon of uneven cooling and heating can occur; the thermostat 4 utilizes the principle that the higher the water temperature, the lower the density of the water, i.e., the density of the hot water is lower than that of the cold water; when water enters the constant temperature water tank 41, the water with higher temperature is positioned at the bottom of the constant temperature water tank 41, the water with lower temperature is positioned at the upper part of the constant temperature water tank 41, and the water with higher temperature moves towards the upper part of the constant temperature water tank 4 and flows out from the top end of the water outlet pipe 43 after being mixed with the water with lower temperature.

A pressure relief valve 44 is further arranged at the lower end of the water discharge pipe 45, the pressure relief valve 44 is in threaded connection with the water discharge pipe 43, and when the internal pressure generated by high temperature in the constant-temperature water tank 41 is too high, pressure relief can be performed through the water discharge pipe 43 and the pressure relief valve 44; after the performance is accomplished to the product of production detects or when the water in the constant temperature water tank 41 is less than the top of outlet pipe 43 and can not be discharged, the accessible takes off relief valve 44 of drain pipe 45 lower extreme, can be fast, convenient clear the inside remaining water of constant temperature water tank 41, long term ponding takes place chemical reaction and corrodes constant temperature water tank 41 in avoiding constant temperature water tank 41, also can avoid when low temperature weather, the ponding in the water tank freezes and leads to the water tank to burst, simultaneously when the product production transportation, effectively protect the product overweight in packing or transportation, also can protect the product to avoid remaining water to spill over and cause product and product packaging to damage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel constant-temperature water heater is characterized by comprising a shell (1), a combustion heating device (2) which is installed in the shell (1) in an adaptive mode, a water inlet device (3) which is installed in the combustion heating device (2) in an adaptive mode, an exhaust device (11) which is installed at the top of the combustion heating device (2) in an adaptive mode, and a control box (14); the control box (14) is respectively and electrically connected with the combustion heating device (2), the exhaust device (11) and the water inlet device (3); install thermocouple (216) and ignition ware (215) on burning heating device (2), the one end of water installations (3) still is connected with constant temperature equipment (4), casing (1) includes inner shell (17) and detachable half package is in outer shell (18) of inner shell (17).

2. The novel constant-temperature water heater is characterized in that the combustion heating device (2) comprises a combustor (21), a combustion chamber (22) and a heat exchanger (23), wherein the combustion chamber (22) is installed on the combustor (21) in a matched mode, the heat exchanger (23) is installed in the combustion chamber (22) in a matched mode, the combustor (21), the combustion chamber (22) and the heat exchanger (23) are communicated in sequence, and an air inlet valve (24) is further connected to the lower end of the combustor (21).

3. The novel constant-temperature water heater as claimed in claim 2, characterized in that the burner (21) comprises a fire grate (212), a burner housing (211) sleeved outside the fire grate (212), and a connecting block (213), wherein the burner housing (211) and the air inlet valve (24) are connected through the connecting block (213), a gas channel (214) is arranged in the connecting block (213), and the gas channel (214) is communicated with the air inlet valve (24) and the fire grate (212); the thermocouple (216) and igniter (215) are adapted to be mounted on the burner housing (211).

4. The novel constant-temperature water heater as claimed in claim 2, wherein the heat exchanger (23) is composed of a plurality of heat exchange plates (232) which are arranged in sequence, and a plurality of through holes (221) are formed in the heat exchange plates (232).

5. A new thermostatic water heater according to claim 2, characterized in that the exhaust device (11) comprises an exhaust chamber (12) and a fan (15) for exhausting air outwards; one end of the exhaust cavity (12) is matched and installed with the heat exchanger (23) and communicated with the heat exchanger, the other end of the exhaust cavity (12) is matched and installed with the fan (15), and an air outlet (13) is formed in the upper portion of the fan (15).

6. The novel constant-temperature water heater as claimed in claim 4, characterized in that the water inlet device (3) comprises a water pipe (33), a water pump (32) and a water inlet valve (31), wherein the water inlet valve (31) and the water pump (32) are connected through a pipeline (34); the water pipe (33) comprises a water pipe section (331) surrounding the outer wall of the combustion chamber (22) and a water pipe section (332) passing through the through hole (221) back and forth, the water pipe section (331) is communicated with the water pipe section (332), the starting end of the water pipe section (331) is communicated with the water pump (32), and the tail end of the water pipe section (332) is communicated with the constant temperature device (4).

7. A new thermostatic water heater according to claim 6, characterized in that the thermostatic device (4) comprises a thermostatic water tank (41) for hot and cold water mixing, a water inlet pipe (42), a water outlet pipe (43); the water inlet pipe (42) penetrates from the top end of the constant temperature water tank (41) and extends to a position below the constant temperature water tank (41); the water outlet pipe (43) penetrates into the lower end of the constant-temperature water tank (41) and extends to a position above the constant-temperature water tank (41).

8. The novel constant-temperature water heater as claimed in claim 7, characterized in that a drain pipe (45) is further arranged at the lower end of the constant-temperature water tank (41), and a pressure relief valve (44) is further arranged at the lower end of the drain pipe (45).