CN116265833A

CN116265833A - Constant temperature water heater

Info

Publication number: CN116265833A
Application number: CN202111542871.2A
Authority: CN
Inventors: 刘光佑
Original assignee: Gino Creation Co ltd
Current assignee: Gino Creation Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2023-06-20

Abstract

A constant temperature water heating device comprises a machine body, a heater, a partition plate, a water inlet pipe, a water level detection unit and at least one water outlet module. The heater and the baffle are arranged in the accommodating space of the machine body, the baffle is positioned above the heater and is inclined, the accommodating space is divided into an upper volume and a lower volume by the baffle, and a gap is formed between two sides of the baffle and two sides of the machine body respectively. When cold water is input into the machine body through the water inlet pipe, cold water flow can be blocked by the partition plate, so that the cold water is concentrated in a lower volume area below the partition plate, the heater is started to heat, hot water with higher temperature in heating can flow upwards and flow along the upward inclined direction of the partition plate, the hot water flows through the upper volume, the cold hot water with the upper volume flows downwards along the downward inclined direction of the partition plate, and the water flow is caused when the heater heats, so that the hot water achieves the effect of circulating disturbance temperature equalization.

Description

Constant temperature water heater

Technical Field

The present disclosure relates to a constant temperature water heater, and more particularly to a constant temperature water heater capable of achieving a circulating disturbance temperature equalizing effect.

Background

One of the most important external factors affecting the taste of brewed beverages such as coffee or tea is the hot water temperature, particularly the hot water of the brewed beverage for business use, and the hot water temperature is unstable due to the frequent cold water supplement of a water heater during the business peak time, so that the taste and flavor of the beverage are greatly affected.

Disclosure of Invention

The technical problem that this application will solve lies in, provides a constant temperature hot water device to the not enough of prior art, can make hot water temperature stable, and makes drink taste flavor preferred.

In order to solve the technical problem, the present application provides a constant temperature water heating device, including: the machine body is internally provided with a containing space which is connected with a hot water outlet and can be used for outputting hot water; the heater is arranged in the accommodating space of the machine body; the partition board is arranged in the accommodating space of the machine body, is positioned above the heater, is inclined and divides the accommodating space into an upper volume and a lower volume, and forms a gap with the two sides of the machine body; the water inlet pipe is arranged in the accommodating space, is positioned below the partition plate and can convey cold water into the machine body; the water level detection unit is arranged on the machine body, extends into the accommodating space and can be used for detecting the water level; the water outlet module is arranged between the accommodating space and the hot water outlet and is used for controlling the water outlet of the hot water; when cold water is input into the machine body through the water inlet pipe, cold water flow is blocked by the partition plate, so that the cold water is concentrated in a lower volume area below the partition plate, the heater is started to heat, hot water with higher temperature in heating flows upwards along the upward inclined direction of the partition plate and flows through the upper volume, cold water in the upper volume flows downwards along the downward inclined direction of the partition plate due to water flow, and the water flow is caused when the heater heats, so that the hot water achieves the effect of circulating disturbance temperature equalization.

Preferably, the constant temperature water heating device as claimed in claim 1, wherein the heater is disposed in the body near the lower end, and the water outlet module is connected to the middle of the upper volume at a lower position.

Preferably, the two sides of the partition board are the front side and the rear side of the partition board, the two sides of the machine body are the front side and the rear side of the machine body, and the hot water outlet and the water outlet module are arranged on the front side of the machine body.

Preferably, the water level detecting unit comprises a normal water level detector and a high water level detector for detecting the normal water level and the high water level respectively.

Preferably, a first cold water electromagnetic valve is arranged at one end of the water inlet pipe for controlling the water inlet of cold water, the water inlet pipe is positioned between the heater and the partition plate, the water inlet pipe is provided with a plurality of water outlet holes, and the water outlet holes are uniformly distributed on the water inlet pipe.

Preferably, the cold water machine further comprises a cold water tank, a cold water connecting pipe is connected between the cold water tank and the water inlet pipe, so that cold water can be sequentially conveyed into the cold water tank and the machine body, the water level of the cold water tank and the water level in the machine body are at the same horizontal position, the cold water tank is connected with a cold water outlet and can be used for outputting cold water, a second cold water electromagnetic valve is arranged between the cold water tank and the cold water outlet, and the cold water outlet position and the hot water outlet position are at the same horizontal position.

Preferably, a temperature detector is provided on the body near the hot water outlet for detecting the water temperature, and the automatic control system turns off the heater when the hot water is heated to a default temperature.

Preferably, the water outlet module comprises a valve body, a water control valve head, a miniature speed reducing motor, an eccentric wheel, a stroke frame, a positioning rod and a micro switch, wherein a flow passage is formed in the valve body, a water outlet is formed at one end of the flow passage, the water control valve head is movably arranged in the valve body, the water control valve head can close and open the flow passage, the eccentric wheel is connected with the miniature speed reducing motor, the miniature speed reducing motor can drive the eccentric wheel to rotate, the stroke frame is arranged outside the eccentric wheel, the stroke frame is connected with one end of the water control valve head, the eccentric wheel can push the stroke frame to drive the water control valve head to move, the positioning rod is connected with the eccentric wheel, and the miniature speed reducing motor is closed when the eccentric wheel drives the positioning rod to touch the micro switch.

Preferably, the water outlet module further comprises a compression spring, the compression spring is abutted against the water control valve head, a leakage stopping ring is arranged between the valve body and the water control valve head, and the compression spring can tightly press the water control valve head on the leakage stopping ring.

Preferably, the side of the partition plate, which is close to the machine body and provided with the hot water outlet, is the lowest point, and the side of the partition plate, which is far away from the machine body and provided with the hot water outlet, is the highest point.

The constant temperature water heating device has the beneficial effects that the constant temperature water heating device comprises a machine body, a heater, a partition plate, a water inlet pipe, a water level detection unit and at least one water outlet module. The heater and the baffle are arranged in the accommodating space of the machine body, the baffle is positioned above the heater and is inclined, the accommodating space is divided into an upper volume and a lower volume by the baffle, and a gap is formed between two sides of the baffle and two sides of the machine body respectively. When cold water is input into the machine body through the water inlet pipe, cold water flow can be blocked by the partition plate, so that the cold water is concentrated in a lower volume area below the partition plate, the heater is started to heat, hot water with higher temperature in heating can flow upwards and flow along the upward inclined direction of the partition plate, the hot water flows through the upper volume, cold hot water with the upper volume flows downwards along the downward inclined direction of the partition plate, the flow of the water is caused when the heater heats, the hot water achieves the effect of circulating disturbance temperature equalization, and the phenomenon that the hot water temperature is unstable due to frequent cold water supplementing can be effectively improved.

For a further understanding of the nature and the technical content of the present application, reference should be made to the following detailed description of the application and the accompanying drawings, which are provided for reference and illustration only and are not intended to limit the application.

Drawings

Fig. 1 is a perspective view of a constant temperature water heating apparatus according to a first embodiment of the present application.

Fig. 2 is a side view of a constant temperature water heating apparatus according to a first embodiment of the present application.

Fig. 3 is a perspective view showing a state in which the constant temperature water heating apparatus according to the first embodiment of the present application is used.

Fig. 4 is a perspective view (one) of a use state of the constant temperature water heating apparatus according to the second embodiment of the present application.

Fig. 5 is a perspective view (two) of a use state of the constant temperature water heating apparatus according to the second embodiment of the present application.

Fig. 6 is a perspective view of a constant temperature water heating apparatus according to a third embodiment of the present application.

Fig. 7 is a cross-sectional view (one) of a water outlet module (hot water valve) according to a third embodiment of the present application.

Fig. 8 is a cross-sectional view (two) of a water outlet module (hot water valve) according to a third embodiment of the present application.

Detailed Description

First embodiment

Referring to fig. 1 and 2, the present application provides a constant temperature water heating apparatus, which includes a body 1, a heater 2, a partition 3, a water inlet pipe 4, a water level detecting unit 5 and at least one water outlet module 6.

The machine body 1 is a hollow body, a containing space 11 is formed inside the machine body 1, and the containing space 11 is connected (communicated) with a hot water outlet 13 and can be used for outputting hot water. The heater 2 may be a heating device such as an electric heating tube, and the heater 2 is disposed in the accommodating space 11 of the machine body 1, and the heater 2 may be mounted in the machine body 1 near the lower end thereof because only hot water for brewing beverage is supplied, the temperature of the hot water is usually below 98 ℃.

The partition board 3 is disposed in the accommodating space 11 of the machine body 1, the partition board 3 is disposed above the heater 2, the partition board 3 is inclined, the accommodating space 11 is divided into an upper volume 111 and a lower volume 112 by the partition board 3, and the upper volume 111 and the lower volume 112 are disposed above and below the partition board 3 respectively. The two sides of the partition board 3 (e.g. the front side and the rear side of the partition board 3) are spaced from the two sides of the machine body 1 (e.g. the front side and the rear side of the machine body 1) by a certain distance, so that a gap 12 is formed between the two sides of the partition board 3 and the two sides of the machine body 1. Preferably, the other sides of the partition 3 (e.g., left and right sides of the partition 3) are in contact with the other sides of the machine body 1 (e.g., left and right sides of the machine body 1). Preferably, the partition 3 is inclined in a front-low and rear-high manner (as shown in fig. 2), i.e., the side of the partition 3 near the hot water outlet 13 of the machine body 1 is the lowest point, and the side of the partition 3 far from the hot water outlet 13 of the machine body 1 is the highest point.

The water inlet pipe 4 is disposed in the accommodating space 11, the water inlet pipe 4 is disposed below the partition plate 3, and preferably, the water inlet pipe 4 is disposed between the heater 2 and the partition plate 3. One end of the water inlet pipe 4 can be connected with a water source, and one end of the water inlet pipe 4 can be provided with a first cold water electromagnetic valve 7 for controlling the water inlet of cold water so that the cold water can be conveyed into the machine body 1. The length of the water inlet pipe 4 is matched with the length of the heater 2, the water inlet pipe 4 can be horizontally arranged, the water inlet pipe 4 is provided with a plurality of water outlet holes 41, the water outlet holes 41 can be uniformly distributed on the water inlet pipe 4, the water outlet holes 41 are preferably upward, and the water outlet holes 41 can flow horizontally.

The water level detecting unit 5 is disposed on the machine body 1, the water level detecting unit 5 extends into the accommodating space 11 and can be used for detecting a water level, and the water level detecting unit 5 can comprise a normal water level detector 51 and a high water level detector 52 for respectively detecting the normal water level and the high water level.

When hot water is used for brewing the beverage, the water level in the machine body 1 drops, when the hot water level leaves the normal water level detector 51, the automatic control system starts the air pump (not shown), cold water flows upwards from the water inlet pipe 4 through the evenly distributed water outlet holes 41, cold water flow can be blocked by the partition plate 3, so that the cold water is concentrated in the area of the lower volume 112 below the partition plate 3, meanwhile, the heater 2 is started to heat, hot water with higher temperature in heating flows upwards due to the physical property of heat up cooling down, flows upwards along the upward inclined direction of the partition plate 3, flows through the upper volume 111, the cold hot water in the upper volume 111 flows downwards along the downward inclined direction of the partition plate 3, and the water flow is caused when the heater 2 heats, so that the hot water in the constant-temperature hot water device achieves the effect of circulating disturbance temperature equalization.

In addition, a temperature detector 8 may be disposed on the machine body 1 near the hot water outlet (water outlet module 6) for detecting the water temperature, and the automatic control system turns off the heater 2 when the hot water is heated to a default temperature. The normal water level detector 51 can be used to control the normal water level of the constant temperature water heating device, when the water level control related function fails, the water level will rise, and when the high water level detector 52 detects that the water level is too high, the system is down and sends out a warning signal, so as to ensure the safe use of the constant temperature water heating device.

The water outlet module 6 is disposed between the accommodating space 11 and the hot water outlet 13, and the hot water outlet 13 and the water outlet module 6 are disposed at the front side of the machine body 1. The water outlet modules 6 are used for controlling the water outlet of the hot water, the water outlet modules 6 can be electromagnetic valves, the water outlet modules 6 can be used for controlling the water outlet amount, one or more than one water outlet module 6 can be arranged, as shown in fig. 1, two water outlet modules 6 are shown, assuming that the water outlet amount of each water outlet module 6 is 10 per second ㏄, if the hot water outlet amount is 10 per second ㏄ required by a brewing procedure, one water outlet module 6 is started, if the hot water outlet amount is 15 per second ㏄ required by the brewing procedure, one water outlet module 6 is fully started, the other water outlet module 6 is started for a set number of seconds, various flow rate settings are performed by analogy, a plurality of water outlet modules 6 can be arranged if the water outlet module 6 is required to be more than the electromagnetic valve, other water outlet control devices can be used, and a throttle valve or a throttle joint can be arranged on a pipeline of the electromagnetic valve.

Since the cold water is limited in the lower volume 112 by the partition plate 3 when the constant temperature water heating device supplements water, the hot water in the upper volume 111 above the partition plate 3 is uniform in temperature due to the function of the partition plate 3 and the physical principle of cold and hot water flow during heating, and preferably, the water outlet module 6 can be connected (communicated) at a position in the middle of the upper volume 111, so that the hot water flowing out is uniform in temperature. If the inflow velocity of the constant temperature water heater is slightly smaller than the velocity of the hot water, the temperature of the hot water can be kept uniform, and the normal water level can be complemented when the brewing process waits for the neutral position.

As shown in fig. 3, a filter bowl 100 may be placed on a container 200, and a water guide bowl 300 may be placed on the filter bowl 100. Filter paper and coffee may be installed in the filter bowl 100. The constant temperature water heating device may output a proper amount of hot water to the water guide bowl 300. The hot water may flow downward through a plurality of outflow holes 301 of the water guide bowl 300 to distribute the hot water on the coffee powder, thereby completing the hand brewing process.

Second embodiment

Referring to fig. 4 and 5, the present embodiment provides a constant temperature water heating apparatus, in which the coffee beans have different varieties and different coffee beans such as shallow baking, medium baking and heavy baking, the tea leaves have different temperatures for hot water brewing, and if the beverage brewing taste has the most suitable temperature, the multi-temperature control is necessary. In this embodiment, a cold water tank 9 is mainly added, the cold water tank 9 can be disposed outside the machine body 1, and a cold water connecting pipe 10 is connected between the cold water tank 9 and the water inlet pipe 4 (refer to fig. 1), so that cold water can be sequentially conveyed into the cold water tank 9 and the machine body 1. In this embodiment, the water level can be controlled by the water level detecting unit 5, the water level of the cold water tank 9 and the water level in the machine body 1 are at the same level, the cold water tank 9 is connected with a cold water outlet 91 for outputting cold water, and a second cold water solenoid valve 20 can be arranged between the cold water tank 9 and the cold water outlet 91 for controlling the water yield of cold water. The cold water outlet 91 is also positioned at the same horizontal position as the hot water outlet 13, and the cold water and the hot water are at the same horizontal water level and the same horizontal outlet, so that the water outlet flow rates of the cold water and the hot water are consistent, and the water outlet module 6 (hot water electromagnetic valve) and the second cold water electromagnetic valve 20 can obtain the water outlet per second through testing.

The highest temperature of brewing various beverages is the set temperature of the heating temperature of the constant-temperature water heating device, such as 96 ℃. The multi-temperature hot water brewing process, for example, the brewing temperature of the green tea is 80 ℃, the automatic control system sets the ratio of the cold water detection temperature to the hot water 96 ℃ to be 80 ℃ in advance, and when the green tea brewing process is executed, the automatic control system controls the hot water and cold water output by the opening and closing frequency of the water outlet module 6 (hot water electromagnetic valve) and the second cold water electromagnetic valve 20 so that the mixed hot water temperature is close to 80 ℃. In order to make the temperature of the mixed hot water uniform, the hot water and the cold water firstly flow into the water guide cup 300 to be mixed, a plurality of outflow holes 301 are distributed at the bottom of the water guide cup 300, the mixed hot water flows out to the beverage brewing device through the plurality of outflow holes 301, the water guide cup 300 also has the effect of secondary mixing and uniform temperature, an O-shaped ring (not shown) is watertight, an exhaust pipe 302 is arranged on the water guide cup 300, air in the water guide cup 300 can be discharged from the exhaust pipe 302 during water inflow, the exhaust pipe 302 can enable the cold water and the hot water to flow smoothly, the upper end outlet height of the exhaust pipe 302 is required to be higher than the water level of the high water level detector 52, and the hot and cold water in mixing is prevented from overflowing from the upper end of the exhaust pipe 302. If the cold water source of the constant temperature water heating device is connected and supplied by the water source, a water level control device (not shown) can be arranged on the cold water tank 9, and the water level of the machine body 1 and the water level of the cold water tank 9 are designed to be the same level, so that the water level controller of the cold water tank 9 needs to be controlled to be the same level with the water level of the machine body 1.

Third embodiment

Referring to fig. 6 to 8, the present embodiment provides a constant temperature water heating device, which is suitable for large-flow, constant temperature water heating device for use in a business beverage shop, wherein the volume of one or two beverages is usually about 100 ㏄ to 500 ㏄, the diameter of the water outlet module 6 (hot water valve) is about 2 to 4mm, when a barrel of tea or coffee is brewed, the volume of one barrel of water is usually 4 to 10 liters, if 1 to 2 liters of water is required to be automatically discharged within 30 seconds, a large-aperture water outlet valve, such as 12mm or 1/2 inch, is required, the volume of the commercially available large-aperture hot water valve is large, and the cost is high, so that the present embodiment can solve the problem precisely by controlling the large-aperture hot water valve with a micro-speed reducing motor.

The water outlet module 6 (hot water valve) is disposed in the constant temperature water heating device for quantitative illustration, but not limited thereto, for example, for brewing 10 liters of tea, five-stage brewing, each stage of water outlet 2 liters, the constant temperature water heating device can plan 15 liters of volume, 10 liters of upper volume and 5 liters of lower volume, each stage of water inlet 2 liters of lower volume is capable of constant temperature water outlet without influencing the upper volume, the water outlet module 6 comprises a valve body 60, a water control valve head 61, a micro speed reducing motor 62, an eccentric wheel 63, a stroke frame 64, a positioning rod 65 and a micro switch 66.

The valve body 60 is formed with a flow channel 601, the flow channel 601 is connected (communicated) with the accommodating space 11, one end of the flow channel 601 is provided with a water outlet 602, and the water control valve head 61 is movably arranged in the valve body 60, so that the water control valve head 61 can close and open the flow channel 601. The eccentric wheel 63 is connected to the micro-speed reducing motor 62, the micro-speed reducing motor 62 can drive the eccentric wheel 63 to rotate, the stroke frame 64 is arranged outside the eccentric wheel 63, the stroke frame 64 is connected to one end of the water control valve head 61, and the stroke frame 64 can be pushed by the eccentric wheel 63 so as to link the water control valve head 61 to move along the axial direction. The positioning rod 65 is connected to the eccentric 63, and the positioning rod 65 can be moved to different positions according to the rotation of the eccentric 63. In addition, a compression spring 67 may be provided to urge against the water control valve head 61, so that the water control valve head 61 can maintain a closed state in a normal state. In addition, a leak stop ring 68 (e.g., an O-ring) may be provided between the valve body 60 and the water control valve head 61.

In this embodiment, for example, the aperture of the water outlet module 6 (hot water valve) is 12mm, the stroke of the water control valve head 61 is 12mm, which means that the water control valve head 61 is fully opened after the closing, the stroke is moved by 12mm, the water outlet flow per unit time can be controlled by controlling the stroke, the eccentric wheel 63 is eccentric by 14mm, and the distance between the eccentric wheel 63 and the two sides (left and right frames) of the stroke frame 64 is kept at 1mm, so that when the water outlet module 6 is closed, the distance between the eccentric wheel 63 and the stroke frame 64 is reserved, so that the compression spring 67 can firmly press the water control valve head 61 against the leakage stop ring 68 to ensure the closing of the water outlet module 6. The micro-speed motor 62 is 5RPM, that is, 12 seconds per rotation, and the eccentric 63 can be rotated 180 degrees to fully open the water outlet module 6 after 6 seconds per rotation, and the micro-speed motor 62 can be rotated forward or backward when the automatic control system finishes discharging the preset hot water amount. When the eccentric wheel 63 drives the positioning rod 65 to touch the micro switch 66, the micro speed reducing motor 62 is turned off, the micro speed reducing motor 62 completes the water outlet program, the micro switch 66 is used for ending the stroke of the micro speed reducing motor 62, the second control is not needed, the accumulated error of an automatic control system can be avoided, and the water outlet program can be accurately returned to the recovery point once the water outlet program is executed. Other limiting devices such as reed switches can be used for restoring the eccentric 63.

The water outlet module 6 (hot water valve) can be designed to have 1 section of water outlet, multiple sections of water outlet or no section of water outlet, as shown in fig. 8, the full-open stroke of the water control valve head 61 is the maximum water outlet, the automatic control system controls the micro speed reducing motor 62 to rotate for seconds, that is, the water control valve head 61 can be controlled to be at a partially opened or fully opened position to control the water outlet amount per unit time, as shown in fig. 8, the water control valve head 61 has two sections of different diameters, the automatic control system controls the micro speed reducing motor 62 to start for seconds, that is, the stroke position of the water control valve head 61 can be controlled, so that the diameter difference of the flow channel 601 and the diameter difference of the water control valve head 61 controls three sections of different water outlet flow rates of hot water, the full-open is the maximum flow rate, the larger diameter of the water control valve head 61 controls the minimum flow rate, and the minimum diameter of the water control valve head 61 controls the preset medium flow rate. If the water is discharged from a single section, the right end of the water control valve head 61 is a single plane (not shown), and the opening and closing device can also use an electromagnet. If the water is discharged continuously, the right end of the water control valve head 61 may be tapered, the eccentric 63 may adjust the water output of a fine unit (not shown) with a fine rotation angle difference, and a stepping motor or other equivalent devices may be used for stroke control.

[ advantageous effects of the invention ]

The foregoing description is only the preferred embodiments of the present application and is not intended to limit the scope of the claims, so that all equivalent changes that come within the meaning and range of equivalency of the specification and drawings are intended to be embraced therein.

Claims

1. A constant temperature water heating apparatus, comprising:

the machine body is internally provided with a containing space which is connected with a hot water outlet and can be used for outputting hot water;

the heater is arranged in the accommodating space of the machine body;

the partition board is arranged in the accommodating space of the machine body, is positioned above the heater, is inclined and divides the accommodating space into an upper volume and a lower volume, and forms a gap with the two sides of the machine body;

the water inlet pipe is arranged in the accommodating space, is positioned below the partition plate and can convey cold water into the machine body;

the water level detection unit is arranged on the machine body, extends into the accommodating space and can be used for detecting the water level; and

the water outlet module is arranged between the accommodating space and the hot water outlet and is used for controlling the water outlet of the hot water;

when cold water is input into the machine body through the water inlet pipe, cold water flow is blocked by the partition plate, so that the cold water is concentrated in a lower volume area below the partition plate, the heater is started to heat, hot water with higher temperature in heating flows upwards along the upper inclined direction of the partition plate, the hot water flows through the upper volume, cold water in the upper volume flows downwards along the lower inclined direction of the partition plate, and the water flow is caused when the heater heats, so that the hot water achieves the effect of circulating disturbance temperature equalization.

2. The constant temperature water heating apparatus according to claim 1, wherein the heater is disposed in the body near a lower end thereof, and the water outlet module is connected to a position in the middle of the upper volume.

3. The constant temperature water heating apparatus according to claim 1, wherein the partition plate is provided at both sides thereof with a front side and a rear side, the housing is provided at both sides thereof with a front side and a rear side, and the hot water outlet and the water outlet module are provided at the front side of the housing.

4. The constant temperature water heating apparatus as claimed in claim 1, wherein the water level detecting unit comprises a normal water level detector and a high water level detector for detecting the normal water level and the high water level, respectively.

5. The constant temperature water heating apparatus as claimed in claim 1, wherein a first cold water solenoid valve is provided at one end of the water inlet pipe for controlling the inflow of cold water, the water inlet pipe is disposed between the heater and the partition plate, the water inlet pipe is provided with a plurality of water outlet holes, and the water outlet holes are uniformly distributed on the water inlet pipe.

6. The constant temperature water heating apparatus according to claim 1, further comprising a cold water tank, wherein a cold water connection pipe is connected between the cold water tank and the water inlet pipe, so that cold water can be sequentially conveyed into the cold water tank and the machine body, the water level of the cold water tank and the water level of the machine body are at the same horizontal position, the cold water tank is connected with a cold water outlet, and can be used for outputting cold water, a second cold water electromagnetic valve is arranged between the cold water tank and the cold water outlet, and the cold water outlet position and the hot water outlet position are at the same horizontal position.

7. The constant temperature water heating apparatus as claimed in claim 1, wherein a temperature detector is provided on the body near the hot water outlet for detecting a water temperature, and the automatic control system turns off the heater when the hot water is heated to a default temperature.

8. The constant temperature water heating apparatus as claimed in claim 1, wherein the water outlet module comprises a valve body, a water control valve head, a micro-speed reducing motor, an eccentric wheel, a stroke frame, a positioning rod and a micro-switch, wherein a flow channel is formed in the valve body, a water outlet is arranged at one end of the flow channel, the water control valve head is movably arranged in the valve body, the water control valve head can close and open the flow channel, the eccentric wheel is connected with the micro-speed reducing motor, the micro-speed reducing motor can drive the eccentric wheel to rotate, the stroke frame is arranged outside the eccentric wheel, the stroke frame is connected with one end of the water control valve head, the eccentric wheel can push the stroke frame to drive the water control valve head to move, the positioning rod is connected with the eccentric wheel, and the micro-speed reducing motor is closed when the positioning rod is contacted with the micro-switch, and the micro-speed reducing motor completes the water outlet procedure.

9. The constant temperature water heating apparatus according to claim 8, wherein the water outlet module further comprises a compression spring, the compression spring is abutted against the water control valve head, a leakage stopping ring is arranged between the valve body and the water control valve head, and the compression spring can tightly press the water control valve head on the leakage stopping ring.

10. A constant temperature hot water apparatus according to claim 1, wherein a side of the partition plate, which is provided with the hot water outlet, is a lowest point, and a side of the partition plate, which is provided with the hot water outlet, is a highest point.