CN214678633U - Quick-heating water dispenser with dry-heating preventing device - Google Patents
Quick-heating water dispenser with dry-heating preventing device Download PDFInfo
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- CN214678633U CN214678633U CN202022456807.XU CN202022456807U CN214678633U CN 214678633 U CN214678633 U CN 214678633U CN 202022456807 U CN202022456807 U CN 202022456807U CN 214678633 U CN214678633 U CN 214678633U
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Abstract
The utility model relates to a water dispenser, and discloses a quick-heating water dispenser with an anti-dry heating device, which comprises a raw water tank, a boiled water tank and a heater, wherein one end of the heater extends into and is hermetically arranged in the boiled water tank, the other end of the heater is communicated with the raw water tank, and the bottom of the boiled water tank is provided with a boiling water interface for discharging hot water; still include the balance tank, balance tank one end stretches into and seal installation in former water tank, and the balance tank other end passes through pipeline and heater connection, and balance tank top port plane is less than heater top port plane, and the heater lateral wall is close to the boiling water kneck and installs the temperature controller that is used for detecting its temperature. The temperature controller is additionally arranged at the position, close to a boiled water interface, of the heater, the temperature controller can detect the temperature value of the outer wall of the heater often, hot water can be rapidly mixed up in the heating process, the temperature exceeds a set temperature during dry burning, the heating pipe rapidly heats up, and the temperature controller can rapidly cut off a power supply in a very short time to prevent the temperature from continuously rising and burn out the machine or even cause a fire hazard.
Description
Technical Field
The utility model relates to a water dispenser, in particular to a quick-heating water dispenser with an anti-dry heating device.
Background
The existing quick-heating water dispenser has the working principle that cold water in a cold water tank is directly conveyed into a heater for heating, for example, a water boiler with a variable-frequency liquid level detection function of application number 201210554274.6, when people need hot water, the water in the heater flows into a boiled water tank and flows out from a water discharge pipe of the boiled water tank. The heater is controlled to operate by a driving unit. After a user discharges a part of hot water, the cold water tank replenishes cold water into the heater, and the driving unit starts a heating program, so that the cold water in the heater is heated to a set temperature. The design has poor safety performance, no dry burning prevention device and short service life, and meanwhile, the fire accident of the electric appliance caused by dry burning is easy to happen.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick-heating water dispenser with an anti-dry heating device, aiming at the defect of poor safety performance of the water dispenser in the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a quick-heating water dispenser with an anti-dry heating device comprises a raw water tank, a boiled water tank and a heater, wherein one end of the heater extends into and is hermetically arranged in the boiled water tank, the other end of the heater is communicated with the raw water tank, and the bottom of the boiled water tank is provided with a boiling water interface for hot water outlet; still include the balance tank, balance tank one end stretches into and seal installation in former water tank, and the balance tank other end passes through pipeline and heater connection, and balance tank top port plane is less than heater top port plane, and the heater lateral wall is close to the boiling water kneck and installs the temperature controller that is used for detecting its temperature.
The water dispenser is additionally provided with the balance water tank, when the heater discharges a certain amount of water, the balance water tank can supplement the heater with the water, and therefore the water outlet amount and the boiled water temperature of the heater are guaranteed. The cold water of mending the heater flows in from the bottom of heater to make the heater be close to the temperature of boiling water kneck and be the highest, consequently, the local has increased the temperature controller near boiling water kneck at the heater, and the temperature value of heater outer wall can be detected often to the temperature controller, and in the heating process, hot water flees rapidly, and the temperature surpasss the settlement temperature during dry combustion, and the heating pipe sharply heaies up, and the temperature controller can cut off the power rapidly in the time of the utmost point to prevent that the temperature from continuing to rise, burns out the danger of machine or even the conflagration.
Preferably, the heater comprises a heating pipe and a heating body, the heating body is installed in the heating pipe, a groove for installing a temperature controller is punched at the upper end of the heating pipe, the temperature controller is installed on the heating pipe through the groove and used for detecting the temperature of the outer side wall of the heating pipe, and the temperature controller is a manual reset temperature controller.
The temperature controller can detect the temperature value of heating pipe wall often, and when the heater took place the dry combustion method phenomenon, the temperature controller can be in the very short time cut off the power rapidly.
Preferably, the distance between the end surface of the top end of the temperature controller and the outer bottom surface of the boiled water tank is h, and h is less than or equal to 55 mm. The temperature of the heater in the interval range is increased fastest, so that the temperature controller can detect whether the heater is dry-burned or not in time.
Preferably, the vertical distance between the plane of the top end port of the balance water tank and the plane of the top end port of the heater is a, and a is more than or equal to 5mm and less than or equal to 25 mm. In the interval range, the water outlet quantity of the heater is large, meanwhile, the water in the heater can reach the boiling point in time, and when the heater heats water, the water temperature control effect is good.
Preferably, the device also comprises a circulating pipe, one end of the circulating pipe is communicated with the bottom of the original water tank, the other end of the circulating pipe is communicated with the balance water tank, and the circulating pipe is provided with a circulating pump. The circulating pump conveys water in the original water tank into the balance water tank, one part of air of the water in the balance water tank flows into the heater, and the other part of the water flows into the original water tank, so that internal circulation is realized, the water yield of boiled water is improved, and the water temperature of the boiled water is more stable.
Preferably, the circulating pipe is provided with a one-way valve, and the one-way valve is arranged between the balance water tank and the circulating pump. The one-way valve enables water in the circulating pipe to flow in a one-way mode, so that one-way circulation of the original water tank, the circulating pipe and the balance water tank is achieved, and the working efficiency of the circulating pump is higher.
Preferably, a mechanical floating ball for controlling the water level in the raw water tank is installed in the raw water tank, a water inlet pipe for communicating municipal water is connected outside the raw water tank, a water inlet electromagnetic valve and a silicon controlled rectifier are installed on the water inlet pipe, and the water inlet pipe extends into the raw water tank and is connected with the mechanical floating ball. The mechanical floating ball can improve the water inlet flow of the original water tank, freely controls the water level in the original water tank, and has the advantages of simple structure, long service life and no need of providing a power supply.
Preferably, the raw water tank is provided with a first electrode for monitoring the water level of the balance water tank, and the inner end of the first electrode extends into the balance water tank.
Preferably, a second electrode and a third electrode are installed in the boiled water tank, the inner end of the second electrode extends into the heater, and the inner end of the third electrode is arranged on the side of the heating pipe. The second electrode is used for detecting the water level of hot water in the heater, and the third electrode is used for monitoring the water level in the boiled water tank to prevent boiled water from overflowing back to the heater.
Preferably, a recovery pipe for recovering steam is connected between the raw water tank and the boiled water tank, one end of the recovery pipe is communicated with the raw water tank, and the other end of the recovery pipe is communicated with the boiled water tank. High-temperature steam can be generated when the heater heats boiled water and can flow back to the raw water tank through the recovery pipe, so that the high-temperature steam can be liquefied into raw water again, and the utilization rate of the raw water is improved; on the other hand, the high-temperature steam can increase the temperature of the raw water, and the heater can quickly heat the raw water to the preset temperature.
Preferably, the raw water tank is provided with an exhaust pipe, an exhaust port of the exhaust pipe is arranged at the bottom of the raw water tank, and the exhaust pipe extends into the top of the inner cavity of the raw water tank. The exhaust pipe can be used for exhausting gas in the original water tank, and the air pressure of the original water tank is prevented from being too high.
Preferably, the outlet of the recovery pipe in the raw water tank is a steam outlet, and the water outlet of the mechanical floating ball faces the steam outlet. The water outlet of the mechanical floating ball faces the steam outlet, so that high-temperature steam can be liquefied quickly.
Preferably, a water outlet is arranged on the pipeline between the balance water tank and the heater. The water outlet is arranged at the lowest position, so that water in the balance water tank and the heater can be emptied conveniently.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
the water dispenser is additionally provided with the balance water tank, when the heater discharges a certain amount of water, the balance water tank can supplement the heater with the water, and therefore the water outlet amount and the boiled water temperature of the heater are guaranteed. The cold water of mending the heater flows in from the bottom of heater to make the heater be close to the temperature of boiling water kneck and be the highest, consequently, the local has increased the temperature controller near boiling water kneck at the heater, and the temperature value of heater outer wall can be detected often to the temperature controller, and in the heating process, hot water flees rapidly, and the temperature surpasss the settlement temperature during dry combustion, and the heating pipe sharply heaies up, and the temperature controller can cut off the power rapidly in the time of the utmost point to prevent that the temperature from continuing to rise, burns out the danger of machine or even the conflagration.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the heater of fig. 1.
Fig. 3 is a partially enlarged view of a in fig. 1.
The names of the parts indicated by the numerical references in the above figures are as follows: the system comprises 10 parts of a raw water tank, 11 parts of a boiled water tank, 12 parts of a heater, 13 parts of a boiled water interface, 14 parts of a balance water tank, 15 parts of a temperature controller, 16 parts of a circulating pump, 17 parts of a one-way valve, 18 parts of a mechanical floating ball, 19 parts of a water inlet pipe, 20 parts of a water inlet electromagnetic valve, 21 parts of a silicon controlled rectifier, 22 parts of a first electrode, 23 parts of a second electrode, 24 parts of a third electrode, 25 parts of an exhaust pipe, 26 parts of a recovery pipe, 27 parts of a water outlet, 28 parts of a circulating pipe, 121 parts of a heating pipe, 122 parts of a groove, 181 parts of a water outlet and 261 parts of a steam outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-3 and examples.
Example 1
A quick-heating water dispenser with an anti-dry heating device comprises a raw water tank 10, a boiled water tank 11 and a heater 12, wherein one end of the heater 12 extends into and is hermetically arranged in the boiled water tank 11, the other end of the heater 12 is communicated with the raw water tank 10, and a boiled water interface 13 for outputting hot water is arranged at the bottom of the boiled water tank 11; the water dispenser also comprises a balance water tank 14, one end of the balance water tank 14 extends into and is hermetically arranged in the original water tank 10, the other end of the balance water tank 14 is connected with the heater 12 through a pipeline, the plane of the top end port of the balance water tank 14 is lower than the plane of the top end port of the heater 12, and a temperature controller 15 for detecting the temperature of the heater 12 is arranged on the outer side wall of the heater 12 close to the boiling water interface 13. In the heating process, hot water rapidly flows upwards, the temperature exceeds the set temperature during dry burning, the heating pipe rapidly heats up, and the temperature controller 15 can rapidly cut off the power supply in a very short time so as to prevent the temperature from continuously rising and burning out the machine and even causing the danger of fire.
The heater 12 includes a heating pipe 121 and a heating body, and the heating pipe 121 is made of stainless steel and is installed vertically. The heating body is installed in heating pipe 121, and heating pipe 121 upper end punching press has the recess 122 that is used for installing temperature controller 15, and temperature controller 15 installs on heating pipe 121 and is used for detecting the temperature of its lateral wall through recess 122, and the projection of recess 122 is the rectangle recess, and recess 122 projection size is 35 x 80mm, and length direction spot welding 2M 4 nuts, fixed temperature controller, temperature controller 15 are the manual temperature controller that resets. The distance between the end surface of the top end of the temperature controller 15 and the outer bottom surface of the boiled water tank 11 is h, h is less than or equal to 55mm, and h is 39mm in the embodiment.
The vertical distance between the plane of the top end port of the balance water tank 14 and the plane of the top end port of the heater 12 is a, a is more than or equal to 5mm and less than or equal to 25mm, and a in this embodiment is 20 mm.
The water dispenser also comprises a circulating pipe 28, one end of the circulating pipe 28 is communicated with the bottom of the original water tank 10, the other end of the circulating pipe 28 is communicated with the balance water tank 14, and a circulating pump 16 is arranged on the circulating pipe 28. The circulating pipe 28 is provided with a check valve 17, and the check valve 17 is arranged between the balance tank 14 and the circulating pump 16. When water is taken by heating, the balance water tank 14 is filled with a large amount of water by the amount of the boiled water, the water in the original water tank 10 is pumped into the balance water tank 14 through the circulating pump 16, one part of the water in the balance water tank 14 flows into the heating pipe 121, and the other part of the water flows into the original water tank 10, so that the water works in a one-way circulation mode.
A mechanical floating ball 18 for controlling the water level in the raw water tank 10 is installed in the raw water tank 10, a water inlet pipe 19 for communicating municipal water is connected outside the raw water tank 10, a water inlet electromagnetic valve 20 and a silicon controlled rectifier 21 are installed on the water inlet pipe 19, and the water inlet pipe 19 extends into the raw water tank 10 and is connected with the mechanical floating ball 18. The raw water tank 10 is provided with a first electrode 22 for monitoring the water level of the balance water tank 14, and the inner end of the first electrode 22 extends into the balance water tank 14. The tap water flows to the original water tank 10 through the water inlet electromagnetic valve 20, the controllable silicon 21 and the mechanical floating ball 18 after the first electrification; water in the raw water tank 10 is pumped into the balance water tank 14 and the heating pipe 121 through the circulating pump 16, the balance water tank 14 is communicated with the heating pipe 121, the highest plane of the balance water tank 14 is lower than the highest plane of the heating pipe 121, water slowly and simultaneously rises to the first electrode 22 to sense the water, then water feeding is stopped, and the mechanical floating ball 18 and the water feeding electromagnetic valve 20 are closed.
The boiled water tank 11 is provided with a second electrode 23 and a third electrode 24, the inner end of the second electrode 23 extends into the heater 12, and the inner end of the third electrode 24 is arranged at the side of the heating pipe 121.
A recovery pipe 26 for recovering steam is connected between the raw water tank 10 and the boiled water tank 11, the recovery pipe 26 is a stainless steel pipe with the diameter of 20mm, one end of the recovery pipe 26 is communicated with the raw water tank 10, and the other end of the recovery pipe 26 is communicated with the boiled water tank 11. The outlet of the recovery pipe 26 in the raw water tank 10 is a steam outlet 261, the water outlet 181 of the mechanical floating ball 18 faces the steam outlet 261, and water sprayed from the water outlet 181 can liquefy water vapor in time. An exhaust pipe 25 is arranged on the raw water tank 10, an exhaust port of the exhaust pipe 25 is arranged at the bottom of the raw water tank 10, and the exhaust pipe 25 extends into the top of an inner cavity of the raw water tank 10.
A drain port 27 is provided in the pipe between the balance tank 14 and the heater 12.
Example 2
The embodiment 2 has substantially the same features as the embodiment 1 except that the distance between the end surface of the top end of the temperature controller 15 and the outer bottom surface of the boiled water tank 11 in the embodiment 2 is h, and h is 55 mm. The vertical distance between the plane of the top port of the balancing tank 14 and the plane of the top port of the heater 12 is a, and a is 25 mm.
Example 3
The embodiment 3 has substantially the same features as the embodiment 1 except that the distance between the end surface of the top end of the temperature controller 15 and the outer bottom surface of the boiled water tank 11 in the embodiment 3 is h, and h is 20 mm. The vertical distance between the plane of the top port of the balancing tank 14 and the plane of the top port of the heater 12 is a, and a is 5 mm.
Claims (8)
1. A quick-heating water dispenser with an anti-dry-heating device comprises a raw water tank (10), a boiled water tank (11) and a heater (12), wherein one end of the heater (12) extends into and is hermetically arranged in the boiled water tank (11), the other end of the heater (12) is communicated with the raw water tank (10), and a boiled water interface (13) for hot water outlet is arranged at the bottom of the boiled water tank (11); the method is characterized in that: the water heater is characterized by further comprising a balance water tank (14), one end of the balance water tank (14) extends into and is hermetically installed in the original water tank (10), the other end of the balance water tank (14) is connected with the heater (12) through a pipeline, the plane of the top end port of the balance water tank (14) is lower than the plane of the top end port of the heater (12), and a temperature controller (15) used for detecting the temperature of the heater (12) is installed on the outer side wall of the heater (12) close to the boiling water interface (13).
2. The quick-heating water dispenser with the dry-heating preventing device of claim 1 is characterized in that: the heater (12) comprises a heating pipe (121) and a heating body, the heating body is installed in the heating pipe (121), a groove (122) for installing the temperature controller (15) is punched at the upper end of the heating pipe (121), the temperature controller (15) is installed on the heating pipe (121) through the groove (122) and used for detecting the temperature of the outer side wall of the heating pipe, and the temperature controller (15) is manually reset.
3. The quick-heating water dispenser with the dry-heating preventing device according to claim 1 or 2, characterized in that: the distance between the end surface of the top end of the temperature controller (15) and the outer bottom surface of the boiled water tank (11) is h, and h is less than or equal to 55 mm.
4. The quick-heating water dispenser with the dry-heating preventing device of claim 1 is characterized in that: the vertical distance between the plane of the top end port of the balance water tank (14) and the plane of the top end port of the heater (12) is a, and a is more than or equal to 5mm and less than or equal to 25 mm.
5. The quick-heating water dispenser with the dry-heating preventing device of claim 1 is characterized in that: the device also comprises a circulating pipe (28), one end of the circulating pipe (28) is communicated with the bottom of the original water tank (10), the other end of the circulating pipe (28) is communicated with the balance water tank (14), and a circulating pump (16) is arranged on the circulating pipe (28).
6. The quick-heating water dispenser with the dry-heating preventing device of claim 5, characterized in that: the circulating pipe (28) is provided with a one-way valve (17), and the one-way valve (17) is arranged between the balance water tank (14) and the circulating pump (16).
7. The quick-heating water dispenser with the dry-heating preventing device of claim 1 is characterized in that: a mechanical floating ball (18) used for controlling the water level in the raw water tank (10) is installed in the raw water tank, a water inlet pipe (19) used for communicating municipal water is connected to the outside of the raw water tank (10), a water inlet electromagnetic valve (20) and a silicon controlled rectifier (21) are installed on the water inlet pipe (19), and the water inlet pipe (19) extends into the raw water tank (10) and is connected with the mechanical floating ball (18).
8. The quick-heating water dispenser with the dry-heating preventing device of claim 1 is characterized in that: a water outlet (27) is arranged on the pipeline between the balance water tank (14) and the heater (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456807.XU CN214678633U (en) | 2020-10-29 | 2020-10-29 | Quick-heating water dispenser with dry-heating preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022456807.XU CN214678633U (en) | 2020-10-29 | 2020-10-29 | Quick-heating water dispenser with dry-heating preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214678633U true CN214678633U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022456807.XU Active CN214678633U (en) | 2020-10-29 | 2020-10-29 | Quick-heating water dispenser with dry-heating preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214678633U (en) |
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2020
- 2020-10-29 CN CN202022456807.XU patent/CN214678633U/en active Active
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