WO2018028116A1 - Instant drinking water heating device - Google Patents
Instant drinking water heating device Download PDFInfo
- Publication number
- WO2018028116A1 WO2018028116A1 PCT/CN2016/111862 CN2016111862W WO2018028116A1 WO 2018028116 A1 WO2018028116 A1 WO 2018028116A1 CN 2016111862 W CN2016111862 W CN 2016111862W WO 2018028116 A1 WO2018028116 A1 WO 2018028116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- liquid level
- level switch
- heater
- balance
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 239000003651 drinking water Substances 0.000 title claims abstract description 23
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 265
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 235000014676 Phragmites communis Nutrition 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/246—Water level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/128—Preventing overheating
- F24H15/132—Preventing the operation of water heaters with low water levels, e.g. dry-firing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/335—Control of pumps, e.g. on-off control
Definitions
- the invention relates to the technical field of instant water heating devices, in particular to an instant drinking water heating device.
- the instant drinking water heating device is a device that rapidly heats water and provides a required hot water when the user waits for a short time.
- the instant drinking water heating device on the market is usually provided with a balance water tank.
- the bottom of the balance water tank is provided with a water inlet and a water outlet, and the water inlet is connected with the external water source through a water pump to balance the water outlet of the water tank and the pipeline heater. (For example, the device that passes through the water and is heated quickly) is connected.
- the bottom wall of the balance water tank is provided with a high water level float switch and a low water level float switch for detecting high and low water levels respectively; when working, the water pump will be water source Pumped into the balance tank, the water is sent to the pipeline heater through the water outlet for rapid heating for drinking; when the water level in the balance tank drops to the lowest water level, the low water level float switch is disconnected, and the pipeline heater is not working. Prevent dry burning. When the water level in the balance tank rises to the highest water level, the high water level float switch is disconnected, so that the water pump stops the water and prevents the interference.
- the balance tank of the above structure still has the following deficiencies: (1) The guide column for sliding the high and low water level float switch is inserted into the balance water tank from the bottom wall of the balance tank, therefore, the guide column The sealing requirement through the bottom wall of the balance tank is relatively high. In actual use, it is often due to poor sealing here, which is easy to cause leakage, affecting the water level of the balance tank, thus affecting the outlet water temperature; (2) the guide column is balanced water The bottom wall of the box is inserted upwards, and the process is relatively complicated, which affects the production efficiency; (3) The pipeline heater and the water pump are directly controlled by the high and low water level float switches, and the control is single, the intelligent program is insufficient, and the user is not satisfied with the product intelligence. The requirements for automatic control.
- the object of the present invention is to overcome the shortcomings of the prior art mentioned above, and to provide a simple drinking water heating structure with simple and reasonable structure, low sealing requirement, easy implementation, automatic water supply, anti-dry burning and accurate water level monitoring. Device.
- the object of the invention is achieved in this way.
- An instant drinking water heating device comprises a water pump, a balance water tank, a pipeline heater and a control chip, the balance water tank is connected between the water pump and the pipeline heater, and the pipeline heater and the water pump are respectively electrically connected with the control chip, and the characteristics thereof Yes, it also includes a heater liquid level switch and a water pump liquid level switch.
- the heater liquid level switch and the water pump liquid level switch are respectively inserted into the balance water tank from the upper part of the balance water tank, the heater liquid level switch and the water pump liquid level switch.
- the control chip controls the operation of the pipeline heater and the water pump through the liquid level sensing signal of the heater liquid level switch and the liquid level sensing signal of the water pump liquid level switch; this is a hot drinking water heating device, Since the heater liquid level switch and the water pump liquid level switch are both inserted into the balance water tank from the upper part of the balance water tank, since the bottom of the balance water tank does not require high water tightness, The process requirements are lower, the implementation is easy, and the production efficiency is higher; in addition, the heater liquid level switch and the water pump liquid level switch respectively control the heater and the water pump through the control chip to realize the intelligent control of the product and ensure the water level in the balance water tank. When the temperature is too low, the heater can be powered off and protected from dry burning. When the water level is too high, the pump is powered off to stop the water supply and prevent over-filling. The whole process is fully automated and the water level is controlled accurately.
- the heater liquid level switch and the water pump liquid level switch are respectively provided with a minimum liquid level sensing end, and the lowest liquid sensing end of the heater liquid level switch is lower than the lowest liquid sensing end of the water pump liquid switch by 3 mm- 30mm, the minimum liquid level sensing end of the pump is higher than the lowest liquid sensing end of the heater, which ensures that there is always a certain liquid level in the balance tank, avoiding the lack of water in the balance tank to stop the heater and causing the heater to dry.
- the upper opening of the balance water tank is provided with an upper cover that can be disassembled, and the heater liquid level switch and the water pump liquid level switch are respectively inserted into the balance water tank by the upper cover, that is, the upper cover and the balance
- the water tank is two independent devices, which is more convenient for the installation of the liquid level switch.
- the upper cover is provided with a sunken cavity, and the top of the heater liquid level switch and the water pump liquid level switch is placed in the sunken cavity; by providing a sunken cavity in the upper cover, Reserve a certain space to facilitate the placement of the heater liquid level switch and the pump liquid level switch to avoid vertical bending of the line, and to protect the position of the wire connection end of the liquid level switch.
- the upper cover is provided with two high and low sinking slots, and the heater liquid level switch and the water pump liquid level switch are respectively inserted and extended by the corresponding high and low two sinking slots.
- the design of the high and low sinking tanks makes it easy to set the heater level switch and the pump level switch, especially the lowest liquid level sensing end of the pump and the lowest liquid sensing end of the heater. Height difference.
- the heater liquid level switch and the water pump liquid level switch respectively include a guide rod, a reed switch tube and a magnetic floating ball, and the guide rod is inserted into the balance water tank from the upper part of the balance water tank and is balanced in the water tank.
- the rod has a reed switch inside, and the magnetic float is sleeved on the outer wall of the guide rod in a downward sliding manner, and the reed switch is closed or disconnected as a liquid level sensing signal and transmitted to the control chip.
- the guide rod is provided with a minimum limit of the magnetic float ball, and when the magnetic float ball is placed at the lowest limit position, the lowest liquid level sensing end is formed.
- the balance water tank is provided with a water inlet
- the heater liquid level switch and the water pump liquid level switch are disposed on the side of the vertical projection of the water inlet; the heater liquid level switch and the water pump liquid level switch are set in the inlet
- the side of the vertical projection of the nozzle prevents the external water source from entering the balance tank, and the water flow directly hits (impacts) the heater level switch and the pump level switch, thereby affecting the accuracy of the heater level switch and the pump level switch detection.
- the balance water tank is provided with a water inlet, and a water inlet buffer device is disposed at a corresponding water inlet position in the balance water tank; and a water buffer device is disposed at the water inlet to effectively reduce or retard the flow into the water tank of the balance water tank. Water pressure, to avoid affecting the heater level switch and pump level switch position, thus affecting its water level detection accuracy.
- the integrated water tank and the water outlet are connected to the balance water tank to form an integrated water tank, and the upper cover extends to the hot water area and the water outlet to form an integrated water tank upper cover, and is integrated.
- the non-detachable whole body is formed by hot melt between the upper cover and the integrated water tank; the design of integrating the hot water zone and the water outlet with the balance water tank is more conducive to the compactness of the overall structure of the product and reduces the overall volume thereof.
- Fig. 1 is a schematic view showing an example of a hot drinking water heating device of the present invention.
- FIG. 2 is a schematic view showing the second embodiment of the instant drinking water heating device of the present invention.
- Fig. 3 is a schematic view showing an embodiment of the balanced water tank of the present invention as an integrated water tank (with the upper cover removed).
- FIG. 4 is a schematic view of the integrated water tank of FIG. 3 applied to an instant drinking water heating device.
- Embodiment 1 as shown in FIG. 1, an instant drinking water heating device, comprising a balance water tank 2, an upper cover 7, a pipe heater 3, a water pump 1, a control chip 4, a heater level switch 5, and a water pump Bit switch 6.
- the balance water tank 2 is provided with a water inlet 21 and a water outlet 25, and the water inlet 21 of the balance water tank 2 is in communication with the water inlet pipe 26, and the water pump 1 draws the external water source along the water inlet pipe 26 and the water inlet 21 into the balance water tank 2
- the water outlet 25 of the balance water tank 2 communicates with the pipe heater 3, and the water inside the balance water tank 2 flows out along the water outlet 25 to the pipe heater 3 to be rapidly heated to boiling, and the boiling water overflows the water outlet of the pipe heater 3, and Passing through the hot water zone 23, finally through the water outlet 24 Out, for the user to drink.
- the upper cover 7 is installed at the upper opening of the balance water tank 2, and the upper cover 7 is provided with a sinking groove 71, and the heater liquid level switch 5 and the water pump liquid level switch 6 are respectively sunk along the upper cover 7.
- the groove chamber 71 is inserted into the inside of the balance water tank 2 and extends to the side where the water inlet 21 is vertically projected.
- the heater liquid level switch 5 includes a guide rod 51, a reed switch 52 and a magnetic float ball 53.
- the reed switch tube 52 is placed in the inner cavity of the guide rod 51, the reed switch tube 52 and the duct heater 3, and the control chip 4 Electrical connection.
- the guide rod 51 is provided with a water source heating minimum limit 54.
- the guide rod 51 is inserted into the balance water tank 2 by the upper cover 7 installed on the upper portion of the balance water tank 2, and the top of the guide rod 51 is placed on the lower cover 7 to sink. In the cavity 71.
- the magnetic float ball 53 is sleeved on the outer wall of the guide rod 51 so that the magnetic float ball 53 can only slide at the position above the water source heating minimum limit 54 of the guide rod 51, and the magnetic float ball 53 controls the reed switch tube by sliding mode. 52 is closed or opened, and the induced signal generated by the closing or opening of the reed switch 52 is transmitted to the control chip 4, and the control core 4 adjusts the opening or closing of the duct heater 3.
- the water pump level switch 6 includes a guide rod 51, a reed switch 52 and a magnetic float 53.
- the reed switch 52 is placed in the inner cavity of the guide rod 51, and the reed switch 52 is electrically connected to the water pump 1 and the control chip 4. .
- the guiding rod 51 is provided with a water shortage minimum limit 55.
- the guiding rod 51 is inserted into the balance water tank 2 by the upper cover installed on the upper part of the balance water tank 2, and the top of the guiding rod 51 is placed in the sunken type of the upper cover 7. Inside the cavity 71.
- the magnetic floating ball 53 is sleeved on the outer wall of the guiding rod 51 so as to be slidable upward, and the magnetic floating ball 53 can only slide at the position below the water shortage minimum limit 55 of the guiding rod 51, and the magnetic floating ball 53 controls the reed switch by sliding mode. 52 is closed or opened, and the induced signal generated by the closing or opening of the reed switch 52 is transmitted to the control chip 4, and the control chip 4 regulates the opening or closing of the water pump 1.
- the water source heating minimum limit 54 of the heater liquid level switch 5 is lower than the water shortage minimum limit 55 of the water pump level switch 6 by a distance of 3 mm to 30 mm, which is 10 mm in this embodiment.
- the magnetic float ball 53 When the water level of the balance water tank 2 is lower than the water shortage minimum limit 54 of the water pump hydraulic switch 5, the magnetic float ball 53 will slide to the water shortage minimum limit 54 of the water pump liquid level switch 5, and the reed switch 52 sends a water shortage signal.
- the control chip 4 activates the water pump 1 to perform the water supply operation of the balance water tank 2. (If the water level rises, the magnetic float ball 53 also rises, and starts to move away from the reed switch until the magnetic float ball rises to the highest limit.
- the reed switch When the reed pipe loses the force of the magnetic float, the reed switch is de-energized and the pump stops the water to prevent interference.
- the water level in the balance water tank 2 gradually decreases after drinking hot water, and when the water level in the balance water tank 2 drops to the water source heating minimum limit 55 of the heater liquid level switch 5, Heating liquid
- the reed switch 52 of the pressure switch 5 sends a severe water shortage signal to the control chip 4, and the control chip 4 turns off the duct heater 3 to prevent dry burning.
- Embodiment 2 in combination with FIG. 2, the difference between Embodiment 2 and Embodiment 1 is that the upper cover 7 of Embodiment 2 is provided with two high and low sinking slots 71, a heater level switch 5 and a water pump.
- the liquid level switch 6 is inserted into and extended into the balance water tank 2 by the corresponding two high and low sinking slots 71, and the height difference between the heater liquid level switch 5 and the water pump liquid level switch 6 is easily realized;
- the water inlet buffer 21 is disposed at a position corresponding to the water inlet 21 in the water tank 2, and the water buffering device 22 may be provided with a baffle or a diverter plate at the water inlet to slow the water inlet speed, avoid rapid water flow, and affect heating.
- the position of the liquid level switch 5 and the water pump level switch 6 is stable.
- Embodiment 3 in combination with FIG. 3 and FIG. 4, the embodiment 3 is different from the embodiment 1 in that the integrated water tank 2 and the water outlet 24 are connected to the balance water tank 2 of the embodiment 3 to constitute a comprehensive Water tank 8.
- the upper cover 7 of the balance water tank 2 extends above the hot water zone 23 and the water outlet 24 to constitute an integrated water tank upper cover 9, and the integrated water tank upper cover 9 and the integrated water tank 8 are thermally fused to form a non-detachable whole.
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Abstract
An instant drinking water heating device, comprising a water pump (1), a balance reservoir (2), a pipe heater (3) and a control chip (4). The balance reservoir (2) is connected between the water pump (1) and the pipe heater (3), and the pipe heater (3) and the water pump (1) are respectively electrically connected to the control chip (4). The heating device also comprises a heater liquid level switch (5) and a water pump liquid level switch (6); the heater liquid level switch (5) and the water pump liquid level switch (6) are respectively inserted from an upper part of the balance reservoir (2) and extend into the balance reservoir (2); the heater liquid level switch (5) and the water pump liquid level switch (6) are electrically connected with the control chip (4) respectively; the control chip (4) controls the pipe heater (3) and the water pump (1) to work by means of a liquid level sensing signal of the heater liquid level switch (5) and a liquid level sensing signal of the water pump liquid level switch (6).
Description
本发明涉及即热式水加热装置技术领域,特别涉及一种即热式饮用水加热装置。The invention relates to the technical field of instant water heating devices, in particular to an instant drinking water heating device.
即热式饮用水加热装置是一种对水快速加热,用户等待时间较短,即可提供所需热水的装置。目前,市面上的即热式饮用水加热装置,通常设置有一个平衡水箱,平衡水箱的底部设有入水口和出水口,入水口通过水泵与外界水源连接,平衡水箱的出水口与管道加热器(如:管内通水且被快速加热的器件)连通,平衡水箱内的底壁上分别设置有用于检测高、低水位的高水位浮球开关和低水位浮球开关;工作时,水泵将水源抽入平衡水箱内,水通过出水口被送入管道加热器快速加热,以供饮用;当平衡水箱内水位下降至最低水位时,低水位浮球开关断开,管道加热器断电不工作,防止干烧,当平衡水箱内水位升高至最高水位时,高水位浮球开关断开,使水泵停止上水,防止过盈。The instant drinking water heating device is a device that rapidly heats water and provides a required hot water when the user waits for a short time. At present, the instant drinking water heating device on the market is usually provided with a balance water tank. The bottom of the balance water tank is provided with a water inlet and a water outlet, and the water inlet is connected with the external water source through a water pump to balance the water outlet of the water tank and the pipeline heater. (For example, the device that passes through the water and is heated quickly) is connected. The bottom wall of the balance water tank is provided with a high water level float switch and a low water level float switch for detecting high and low water levels respectively; when working, the water pump will be water source Pumped into the balance tank, the water is sent to the pipeline heater through the water outlet for rapid heating for drinking; when the water level in the balance tank drops to the lowest water level, the low water level float switch is disconnected, and the pipeline heater is not working. Prevent dry burning. When the water level in the balance tank rises to the highest water level, the high water level float switch is disconnected, so that the water pump stops the water and prevents the interference.
但是,上述结构的平衡水箱,仍存在以下不足之处:(1)用于供高、低水位浮球开关滑行的导柱,是由平衡水箱底壁往上***平衡水箱内,因此,导柱穿过平衡水箱底壁的密封性要求较高,在实际使用时,往往由于这里的密封性较差,容易造成泄漏,影响平衡水箱的水位,从而影响出水温度;(2)导柱由平衡水箱底壁往上***,其工艺相对复杂,影响生产效率;(3)管道加热器和水泵都由高、低水位浮球开关直接控制,其控制单一,智能化程序不足,无法满足用户对产品智能化自动控制的要求。However, the balance tank of the above structure still has the following deficiencies: (1) The guide column for sliding the high and low water level float switch is inserted into the balance water tank from the bottom wall of the balance tank, therefore, the guide column The sealing requirement through the bottom wall of the balance tank is relatively high. In actual use, it is often due to poor sealing here, which is easy to cause leakage, affecting the water level of the balance tank, thus affecting the outlet water temperature; (2) the guide column is balanced water The bottom wall of the box is inserted upwards, and the process is relatively complicated, which affects the production efficiency; (3) The pipeline heater and the water pump are directly controlled by the high and low water level float switches, and the control is single, the intelligent program is insufficient, and the user is not satisfied with the product intelligence. The requirements for automatic control.
发明内容Summary of the invention
本发明的目的在于克服上述现有技术存在之不足,而提供一种结构简单、合理,密封性要求不高,容易实施,且自动补水、防干烧、水位监测精准的即热式饮用水加热装置。The object of the present invention is to overcome the shortcomings of the prior art mentioned above, and to provide a simple drinking water heating structure with simple and reasonable structure, low sealing requirement, easy implementation, automatic water supply, anti-dry burning and accurate water level monitoring. Device.
本发明的目的是这样实现的。The object of the invention is achieved in this way.
一种即热式饮用水加热装置,包括水泵、平衡水箱、管道加热器和控制芯片,平衡水箱连接在水泵和管道加热器之间,管道加热器和水泵分别与控制芯片电性连接,其特征是,还包括有加热器液位开关和水泵液位开关,加热器液位开关和水泵液位开关分别由平衡水箱的上部***并伸延入平衡水箱内,加热器液位开关和水泵液位开关分别与控制芯片电性连接,控制芯片通过加热器液位开关的液位感应信号和水泵液位开关的液位感应信号分别控制管道加热器和水泵工作;此款即热式饮用水加热装置,由于加热器液位开关和水泵液位开关均由平衡水箱上部***至平衡水箱内,由于平衡水箱底部对水密封性要求不高,故此,其
工艺要求较低、实施容易,生产效率较高;再有,加热器液位开关和水泵液位开关分别通过控制芯片智能控制加热器和水泵工作,实现产品的智能化控制,保证平衡水箱内水位过低时,可使加热器断电保护、防干烧,水位过高时,水泵断电停止上水、防过盈,整个过程全自动化控制,而且水位控制精准。An instant drinking water heating device comprises a water pump, a balance water tank, a pipeline heater and a control chip, the balance water tank is connected between the water pump and the pipeline heater, and the pipeline heater and the water pump are respectively electrically connected with the control chip, and the characteristics thereof Yes, it also includes a heater liquid level switch and a water pump liquid level switch. The heater liquid level switch and the water pump liquid level switch are respectively inserted into the balance water tank from the upper part of the balance water tank, the heater liquid level switch and the water pump liquid level switch. Electrically connected to the control chip respectively, the control chip controls the operation of the pipeline heater and the water pump through the liquid level sensing signal of the heater liquid level switch and the liquid level sensing signal of the water pump liquid level switch; this is a hot drinking water heating device, Since the heater liquid level switch and the water pump liquid level switch are both inserted into the balance water tank from the upper part of the balance water tank, since the bottom of the balance water tank does not require high water tightness,
The process requirements are lower, the implementation is easy, and the production efficiency is higher; in addition, the heater liquid level switch and the water pump liquid level switch respectively control the heater and the water pump through the control chip to realize the intelligent control of the product and ensure the water level in the balance water tank. When the temperature is too low, the heater can be powered off and protected from dry burning. When the water level is too high, the pump is powered off to stop the water supply and prevent over-filling. The whole process is fully automated and the water level is controlled accurately.
上述技术方案还可作下述进一步完善。The above technical solutions can also be further improved as follows.
作为更具体的方案,所述加热器液位开关和水泵液位开关上分别设置有最低液位感应端,加热器液位开关的最低液体感应端低于水泵液体开关的最低液体感应端3mm-30mm,这种水泵最低液位感应端高于加热器最低液体感应端的设计,可确保平衡水箱内始终存在一定液位高度,避免平衡水箱内缺水才停止加热器,造成加热器干烧。As a more specific solution, the heater liquid level switch and the water pump liquid level switch are respectively provided with a minimum liquid level sensing end, and the lowest liquid sensing end of the heater liquid level switch is lower than the lowest liquid sensing end of the water pump liquid switch by 3 mm- 30mm, the minimum liquid level sensing end of the pump is higher than the lowest liquid sensing end of the heater, which ensures that there is always a certain liquid level in the balance tank, avoiding the lack of water in the balance tank to stop the heater and causing the heater to dry.
作为更具体的方案,所述平衡水箱的上部开口设置有可被拆卸的上盖,加热器液位开关和水泵液位开关分别由上盖***至平衡水箱内,也就是说,上盖与平衡水箱为两个独立器件,更方便液位开关的安装。As a more specific solution, the upper opening of the balance water tank is provided with an upper cover that can be disassembled, and the heater liquid level switch and the water pump liquid level switch are respectively inserted into the balance water tank by the upper cover, that is, the upper cover and the balance The water tank is two independent devices, which is more convenient for the installation of the liquid level switch.
作为更具体的方案,所述上盖设置有下沉式槽腔,加热器液位开关和水泵液位开关的顶部置于下沉式槽腔内;通过在上盖设置下沉式槽腔,预留一定空间,方便加热器液位开关和水泵液位开关的线路放置,避免线路垂直折弯,而且,可以保护到液位开关的电线连接端位置。As a more specific solution, the upper cover is provided with a sunken cavity, and the top of the heater liquid level switch and the water pump liquid level switch is placed in the sunken cavity; by providing a sunken cavity in the upper cover, Reserve a certain space to facilitate the placement of the heater liquid level switch and the pump liquid level switch to avoid vertical bending of the line, and to protect the position of the wire connection end of the liquid level switch.
作为更具体的方案,所述上盖设置有高、低两个下沉式槽腔,加热器液位开关和水泵液位开关分别由对应的高、低两个下沉式槽腔***并延伸入平衡水箱内;这种高、低下沉式槽腔的设计,容易使加热器液位开关和水泵液位开关形成高低设置,尤其是容易形成水泵最低液位感应端与加热器最低液体感应端的高度差异。As a more specific solution, the upper cover is provided with two high and low sinking slots, and the heater liquid level switch and the water pump liquid level switch are respectively inserted and extended by the corresponding high and low two sinking slots. Into the balance tank; the design of the high and low sinking tanks makes it easy to set the heater level switch and the pump level switch, especially the lowest liquid level sensing end of the pump and the lowest liquid sensing end of the heater. Height difference.
作为更具体的方案,所述加热器液位开关和水泵液位开关均包括导杆、干簧管和磁性浮球,导杆由平衡水箱上部***并伸延入平衡水箱内,平衡水箱内的导杆内置有干簧管,磁性浮球以可上下滑行的方式套置在导杆外壁,干簧管闭合或断开为液位感应信号,并传送给控制芯片,这种具体的液位开关方案,容易实施,而且水位控制精准。As a more specific solution, the heater liquid level switch and the water pump liquid level switch respectively include a guide rod, a reed switch tube and a magnetic floating ball, and the guide rod is inserted into the balance water tank from the upper part of the balance water tank and is balanced in the water tank. The rod has a reed switch inside, and the magnetic float is sleeved on the outer wall of the guide rod in a downward sliding manner, and the reed switch is closed or disconnected as a liquid level sensing signal and transmitted to the control chip. This specific liquid level switch scheme Easy to implement and precise water level control.
作为更具体的方案,所述导杆上设置有磁性浮球的最低限位,磁性浮球置于该最低限位时构成最低液位感应端。As a more specific solution, the guide rod is provided with a minimum limit of the magnetic float ball, and when the magnetic float ball is placed at the lowest limit position, the lowest liquid level sensing end is formed.
作为更具体的方案,所述平衡水箱上设置有入水口,加热器液位开关和水泵液位开关设置在入水口垂直投影的一侧;通过加热器液位开关和水泵液位开关设置在入水口垂直投影的一侧,避免外部水源进入平衡水箱时,水流直接碰到(冲击)加热器液位开关和水泵液位开关,从而影响加热器液位开关和水泵液位开关检测的精准度。
As a more specific solution, the balance water tank is provided with a water inlet, the heater liquid level switch and the water pump liquid level switch are disposed on the side of the vertical projection of the water inlet; the heater liquid level switch and the water pump liquid level switch are set in the inlet The side of the vertical projection of the nozzle prevents the external water source from entering the balance tank, and the water flow directly hits (impacts) the heater level switch and the pump level switch, thereby affecting the accuracy of the heater level switch and the pump level switch detection.
作为更具体的方案,所述平衡水箱上设置有入水口,平衡水箱内对应入水口位置设置有入水缓冲装置;通过在入水口处设置入水缓冲装置,有效降低或阻缓流入平衡水箱入水口的水压力,避免影响加热器液位开关和水泵液位开关位置,从而影响其水位检测精度。As a more specific solution, the balance water tank is provided with a water inlet, and a water inlet buffer device is disposed at a corresponding water inlet position in the balance water tank; and a water buffer device is disposed at the water inlet to effectively reduce or retard the flow into the water tank of the balance water tank. Water pressure, to avoid affecting the heater level switch and pump level switch position, thus affecting its water level detection accuracy.
作为更具体的方案,所述平衡水箱旁还连接有一体结构的热水区和出水嘴,以构成综合水箱,上盖延伸至热水区和出水嘴上方,以构成综合水箱上盖,且综合上盖与综合水箱之间以热熔方式构成不可拆卸整体;这种将热水区和出水嘴与平衡水箱一体化的设计,更有利于产品的整体结构紧凑性,减小其整体体积。As a more specific solution, the integrated water tank and the water outlet are connected to the balance water tank to form an integrated water tank, and the upper cover extends to the hot water area and the water outlet to form an integrated water tank upper cover, and is integrated. The non-detachable whole body is formed by hot melt between the upper cover and the integrated water tank; the design of integrating the hot water zone and the water outlet with the balance water tank is more conducive to the compactness of the overall structure of the product and reduces the overall volume thereof.
本发明的有益效果如下:The beneficial effects of the present invention are as follows:
(1)此款即热式饮用水加热装置,由于加热器液位开关和水泵液位开关均由平衡水箱上部***至平衡水箱内,由于平衡水箱底部对水密封性要求不高,故此,其工艺要求较低、实施容易,生产效率较高;再有,加热器液位开关和水泵液位开关分别通过控制芯片智能控制加热器和水泵工作,实现产品的智能化控制,保证平衡水箱内水位过低时,可使加热器断电保护、防干烧,水位过高时,水泵断电停止上水、防过盈,整个过程全自动化控制,而且水位控制精准。(1) This type of hot drinking water heating device, because the heater liquid level switch and the water pump liquid level switch are inserted into the balance water tank from the upper part of the balance water tank, because the bottom of the balance water tank does not require high water tightness, therefore, The process requirements are lower, the implementation is easy, and the production efficiency is higher; in addition, the heater liquid level switch and the water pump liquid level switch respectively control the heater and the water pump through the control chip to realize the intelligent control of the product and ensure the water level in the balance water tank. When the temperature is too low, the heater can be powered off and protected from dry burning. When the water level is too high, the pump is powered off to stop the water supply and prevent over-filling. The whole process is fully automated and the water level is controlled accurately.
(2)再有,通过在平衡水箱的入水口位置设置入水缓冲装置,或将加热器液位开关和水泵液位开关设置在入水口垂直投影的一侧,避免外部水源进入平衡水箱的入水口时,水流容易碰到加热器液位开关和水泵液位开关,从而影响其水位控制(检测的精确度)。(2) Further, by setting the water inlet buffer device at the water inlet position of the balance water tank, or setting the heater liquid level switch and the water pump liquid level switch on the side of the vertical projection of the water inlet, the external water source is prevented from entering the water inlet of the balance water tank. At the same time, the water flow easily hits the heater level switch and the water pump level switch, thereby affecting its water level control (accuracy of detection).
图1为本发明即热式饮用水加热装置的实例一示意图。Fig. 1 is a schematic view showing an example of a hot drinking water heating device of the present invention.
图2为本发明即热式饮用水加热装置的实施二示意图。2 is a schematic view showing the second embodiment of the instant drinking water heating device of the present invention.
图3为本发明的平衡水箱为综合水箱(去掉上盖)的实施例示意图。Fig. 3 is a schematic view showing an embodiment of the balanced water tank of the present invention as an integrated water tank (with the upper cover removed).
图4为图3的综合水箱应用在即热式饮用水加热装置上的示意图。4 is a schematic view of the integrated water tank of FIG. 3 applied to an instant drinking water heating device.
下面结合附图及实施例对本发明作进一步描述。The invention is further described below in conjunction with the drawings and embodiments.
实施例1,如图1所示,一种即热式饮用水加热装置,包括平衡水箱2、上盖7、管道加热器3、水泵1、控制芯片4、加热器液位开关5和水泵液位开关6。 Embodiment 1, as shown in FIG. 1, an instant drinking water heating device, comprising a balance water tank 2, an upper cover 7, a pipe heater 3, a water pump 1, a control chip 4, a heater level switch 5, and a water pump Bit switch 6.
所述平衡水箱2设有入水口21和出水口25,平衡水箱2的入水口21与进水管道26连通,水泵1将外部水源沿进水管道26和入水口21,抽入至平衡水箱2内,平衡水箱2的出水口25与管道加热器3连通,平衡水箱2内部的水沿出水口25流出至管道加热器3内被快速加热至沸腾,沸水溢出管道加热器3的出水口,并经热水区23,最后通过出水嘴24排
出,以供用户饮用。The balance water tank 2 is provided with a water inlet 21 and a water outlet 25, and the water inlet 21 of the balance water tank 2 is in communication with the water inlet pipe 26, and the water pump 1 draws the external water source along the water inlet pipe 26 and the water inlet 21 into the balance water tank 2 The water outlet 25 of the balance water tank 2 communicates with the pipe heater 3, and the water inside the balance water tank 2 flows out along the water outlet 25 to the pipe heater 3 to be rapidly heated to boiling, and the boiling water overflows the water outlet of the pipe heater 3, and Passing through the hot water zone 23, finally through the water outlet 24
Out, for the user to drink.
其中,所述上盖7安装于平衡水箱2的上部开口处,上盖7设置有下沉式槽腔71,加热器液位开关5和水泵液位开关6分别沿上盖7的下沉式槽腔71***平衡水箱2内部并延伸至入水口21垂直投影的一侧。The upper cover 7 is installed at the upper opening of the balance water tank 2, and the upper cover 7 is provided with a sinking groove 71, and the heater liquid level switch 5 and the water pump liquid level switch 6 are respectively sunk along the upper cover 7. The groove chamber 71 is inserted into the inside of the balance water tank 2 and extends to the side where the water inlet 21 is vertically projected.
所述加热器液位开关5包括导杆51、干簧管52和磁性浮球53,所述干簧管52置于导杆51内腔,干簧管52与管道加热器3、控制芯片4电性连接。所述导杆51设有水源加热最低限位54,导杆51由安装于平衡水箱2上部的上盖7***并延伸入平衡水箱2内,导杆51的顶部置于上盖7的下沉式槽腔71内。磁性浮球53以可上下滑行的方式套置在导杆51外壁,磁性浮球53仅能在导杆51的水源加热最低限位54以上位置滑行,磁性浮球53通过滑行方式控制干簧管52闭合或断开,干簧管52闭合或断开产生的感应信号传递至控制芯片4,控制芯头4调节管道加热器3的开启或关闭。The heater liquid level switch 5 includes a guide rod 51, a reed switch 52 and a magnetic float ball 53. The reed switch tube 52 is placed in the inner cavity of the guide rod 51, the reed switch tube 52 and the duct heater 3, and the control chip 4 Electrical connection. The guide rod 51 is provided with a water source heating minimum limit 54. The guide rod 51 is inserted into the balance water tank 2 by the upper cover 7 installed on the upper portion of the balance water tank 2, and the top of the guide rod 51 is placed on the lower cover 7 to sink. In the cavity 71. The magnetic float ball 53 is sleeved on the outer wall of the guide rod 51 so that the magnetic float ball 53 can only slide at the position above the water source heating minimum limit 54 of the guide rod 51, and the magnetic float ball 53 controls the reed switch tube by sliding mode. 52 is closed or opened, and the induced signal generated by the closing or opening of the reed switch 52 is transmitted to the control chip 4, and the control core 4 adjusts the opening or closing of the duct heater 3.
所述水泵液位开关6包括导杆51、干簧管52和磁性浮球53,所述干簧管52置于导杆51内腔,干簧管52与水泵1、控制芯片4电性连接。所述导杆51设置有缺水最低限位55,导杆51由安装于平衡水箱2上部的上盖***并延伸入平衡水箱2内,导杆51的顶部置于上盖7的下沉式槽腔71内。磁性浮球53以可上下滑行的方式套置在导杆51外壁,磁性浮球53仅能在导杆51的缺水最低限位55以上位置滑行,磁性浮球53通过滑行方式控制干簧管52闭合或断开,干簧管52闭合或断开产生的感应信号传递至控制芯片4,控制芯片4调节水泵1的开启或关闭。The water pump level switch 6 includes a guide rod 51, a reed switch 52 and a magnetic float 53. The reed switch 52 is placed in the inner cavity of the guide rod 51, and the reed switch 52 is electrically connected to the water pump 1 and the control chip 4. . The guiding rod 51 is provided with a water shortage minimum limit 55. The guiding rod 51 is inserted into the balance water tank 2 by the upper cover installed on the upper part of the balance water tank 2, and the top of the guiding rod 51 is placed in the sunken type of the upper cover 7. Inside the cavity 71. The magnetic floating ball 53 is sleeved on the outer wall of the guiding rod 51 so as to be slidable upward, and the magnetic floating ball 53 can only slide at the position below the water shortage minimum limit 55 of the guiding rod 51, and the magnetic floating ball 53 controls the reed switch by sliding mode. 52 is closed or opened, and the induced signal generated by the closing or opening of the reed switch 52 is transmitted to the control chip 4, and the control chip 4 regulates the opening or closing of the water pump 1.
所述加热器液位开关5的水源加热最低限位54低于水泵液位开关6的缺水最低限位55的距离为3mm-30mm,本实施例为10mm。The water source heating minimum limit 54 of the heater liquid level switch 5 is lower than the water shortage minimum limit 55 of the water pump level switch 6 by a distance of 3 mm to 30 mm, which is 10 mm in this embodiment.
当平衡水箱2的水位低于水泵液压开关5的缺水最低限位54时,磁性浮球53将滑行至水泵液位开关5的缺水最低限位54处,干簧管52发出缺水信号至控制芯片4,控制芯片4启动水泵1,进行平衡水箱2补水操作(若水位上升,磁性浮球53也随之上升,开始远离干簧管,直至磁性浮球上升至最高限位时,干簧管失去磁性浮球的作用力,则干簧管断电,水泵停止上水防止过盈)。同时,由于加热器液位开关5与水泵液位开关6之间存在高度差,当平衡水箱2的水位低于水泵液压开关5的缺水最低限位54,平衡水箱2的水位还是会高于加热器液位开关6的加热最低限位55,磁性浮球53在加热最低限位55以上位置滑行,加热器液位开关5将保持正常工作。When the water level of the balance water tank 2 is lower than the water shortage minimum limit 54 of the water pump hydraulic switch 5, the magnetic float ball 53 will slide to the water shortage minimum limit 54 of the water pump liquid level switch 5, and the reed switch 52 sends a water shortage signal. To the control chip 4, the control chip 4 activates the water pump 1 to perform the water supply operation of the balance water tank 2. (If the water level rises, the magnetic float ball 53 also rises, and starts to move away from the reed switch until the magnetic float ball rises to the highest limit. When the reed pipe loses the force of the magnetic float, the reed switch is de-energized and the pump stops the water to prevent interference. Meanwhile, since there is a height difference between the heater liquid level switch 5 and the water pump liquid level switch 6, when the water level of the balance water tank 2 is lower than the water shortage minimum limit 54 of the water pump hydraulic switch 5, the water level of the balance water tank 2 is still higher than The heating minimum limit 55 of the heater level switch 6 and the magnetic float 53 slide at a position above the heating lower limit 55, and the heater level switch 5 will remain in normal operation.
当供水出现故障或水泵1出现故障时,人们饮用热水后,平衡水箱2内的水位逐渐下降,当平衡水箱2内的水位下降至加热器液位开关5的水源加热最低限位55时,加热液
压开关5的干簧管52发出严重缺水信号传递至控制芯片4,控制芯片4关闭管道加热器3,防止干烧。When the water supply fails or the water pump 1 fails, the water level in the balance water tank 2 gradually decreases after drinking hot water, and when the water level in the balance water tank 2 drops to the water source heating minimum limit 55 of the heater liquid level switch 5, Heating liquid
The reed switch 52 of the pressure switch 5 sends a severe water shortage signal to the control chip 4, and the control chip 4 turns off the duct heater 3 to prevent dry burning.
实施例2,结合图2所示,实施例2与实施例1的区别在于:实施例2的上盖7设置有高、低两个下沉式槽腔71,加热器液位开关5和水泵液位开关6分别由对应的高、低两个下沉式槽腔71***并延伸入平衡水箱2内,容易实现加热器液位开关5和水泵液位开关6的高度差异;再有,平衡水箱2内对应入水口21位置设置有入水缓冲装置22,水缓冲装置22,可以是在入水口处设置挡板、或分流板之类,以减缓进水速度,避免急速的水流,影响到加热器液位开关5和水泵液位开关6的位置稳定。 Embodiment 2, in combination with FIG. 2, the difference between Embodiment 2 and Embodiment 1 is that the upper cover 7 of Embodiment 2 is provided with two high and low sinking slots 71, a heater level switch 5 and a water pump. The liquid level switch 6 is inserted into and extended into the balance water tank 2 by the corresponding two high and low sinking slots 71, and the height difference between the heater liquid level switch 5 and the water pump liquid level switch 6 is easily realized; The water inlet buffer 21 is disposed at a position corresponding to the water inlet 21 in the water tank 2, and the water buffering device 22 may be provided with a baffle or a diverter plate at the water inlet to slow the water inlet speed, avoid rapid water flow, and affect heating. The position of the liquid level switch 5 and the water pump level switch 6 is stable.
实施例3,结合图3和图4,所示实施例3与实施例1的区别在于:实施例3的平衡水箱2旁还连接有一体结构的热水区23和出水嘴24,以构成综合水箱8。平衡水箱2的上盖7延伸至热水区23和出水嘴24上方,以构成综合水箱上盖9,且综合水箱上盖9与综合水箱8之间以热熔方式构成不可拆卸整体。
Embodiment 3, in combination with FIG. 3 and FIG. 4, the embodiment 3 is different from the embodiment 1 in that the integrated water tank 2 and the water outlet 24 are connected to the balance water tank 2 of the embodiment 3 to constitute a comprehensive Water tank 8. The upper cover 7 of the balance water tank 2 extends above the hot water zone 23 and the water outlet 24 to constitute an integrated water tank upper cover 9, and the integrated water tank upper cover 9 and the integrated water tank 8 are thermally fused to form a non-detachable whole.
Claims (10)
- 即热式饮用水加热装置,包括水泵(1)、平衡水箱(2)、管道加热器(3)和控制芯片(4),平衡水箱(2)连接在水泵(1)和管道加热器(3)之间,管道加热器(3)和水泵(1)分别与控制芯片(4)电性连接,其特征是,还包括有加热器液位开关(5)和水泵液位开关(6),加热器液位开关(5)和水泵液位开关(6)分别由平衡水箱(2)的上部***并伸延入平衡水箱(2)内,加热器液位开关(5)和水泵液位开关(6)分别与控制芯片(4)电性连接,控制芯片(4)通过加热器液位开关(5)的液位感应信号和水泵液位开关(6)的液位感应信号分别控制管道加热器(3)和水泵(1)工作。Instant drinking water heating device, including water pump (1), balance water tank (2), pipeline heater (3) and control chip (4), balance water tank (2) connected to water pump (1) and pipeline heater (3) Between the pipeline heater (3) and the water pump (1) are electrically connected to the control chip (4), respectively, characterized in that it further comprises a heater liquid level switch (5) and a water pump liquid level switch (6), The heater level switch (5) and the pump level switch (6) are respectively inserted into the balance tank (2) from the upper part of the balance tank (2), the heater level switch (5) and the pump level switch ( 6) electrically connected to the control chip (4), respectively, the control chip (4) controls the pipeline heater through the liquid level sensing signal of the heater liquid level switch (5) and the liquid level sensing signal of the water pump liquid level switch (6) (3) Work with the water pump (1).
- 根据权利要求1所述即热式饮用水加热装置,其特征是,所述加热器液位开关(5)和水泵液位开关(6)上分别设置有最低液位感应端,加热器液位开关的最低液体感应端低于水泵液体开关的最低液体感应端3mm-30mm。The instant drinking water heating device according to claim 1, wherein the heater liquid level switch (5) and the water pump liquid level switch (6) are respectively provided with a minimum liquid level sensing end, and the heater liquid level The lowest liquid sensing end of the switch is 3mm-30mm below the lowest liquid sensing end of the pump liquid switch.
- 根据权利要求2所述即热式饮用水加热装置,其特征是,所述平衡水箱(2)的上部开口设置有可被拆卸的上盖(7),加热器液位开关(5)和水泵液位开关(6)分别由上盖(7)***至平衡水箱(2)内。The instant drinking water heating device according to claim 2, wherein the upper opening of the balance water tank (2) is provided with a removable upper cover (7), a heater liquid level switch (5) and a water pump. The level switch (6) is inserted into the balance tank (2) by the upper cover (7), respectively.
- 根据权利要求3所述即热式饮用水加热装置,其特征是,所述上盖(7)设置有下沉式槽腔(71),加热器液位开关(5)和水泵液位开关(6)的顶部置于下沉式槽腔(71)内。The instant drinking water heating device according to claim 3, wherein the upper cover (7) is provided with a sinking groove chamber (71), a heater liquid level switch (5) and a water pump liquid level switch ( The top of 6) is placed in the sinking cavity (71).
- 根据权利要求3所述即热式饮用水加热装置,其特征是,所述上盖(7)设置有高、低两个下沉式槽腔(71),加热器液位开关(5)和水泵液位开关(6)分别由对应的高、低两个下沉式槽腔(71)***并延伸入平衡水箱(2)内。The instant drinking water heating device according to claim 3, wherein the upper cover (7) is provided with two high and low sinking slots (71), a heater level switch (5) and The water pump level switch (6) is inserted into and extended into the balance water tank (2) by the corresponding high and low two sinking slots (71).
- 根据权利要求1-5任一所述即热式饮用水加热装置,其特征是,所述加热器液位开关(5)和水泵液位开关(6)均包括导杆(51)、干簧管(52)和磁性浮球(53),导杆(51)由平衡水箱(2)上部***并伸延入平衡水箱(2)内,平衡水箱(2)内的导杆(51)内置有干簧管(52),磁性浮球(53)以可上下滑行的方式套置在导杆(51)外壁,干簧管(52)闭合或断开为液位感应信号,并传送给控制芯片(4)。The instant drinking water heating device according to any one of claims 1 to 5, characterized in that the heater liquid level switch (5) and the water pump liquid level switch (6) both comprise a guide rod (51) and a dry spring. The tube (52) and the magnetic float (53), the guide rod (51) is inserted into the balance water tank (2) from the upper portion of the balance water tank (2), and the guide rod (51) in the balance water tank (2) has a built-in dry The reed pipe (52), the magnetic float ball (53) is sleeved on the outer wall of the guide rod (51) in a downward sliding manner, and the reed switch tube (52) is closed or disconnected as a liquid level sensing signal and transmitted to the control chip ( 4).
- 根据权利要求6所述即热式饮用水加热装置,其特征是,所述导杆(51)上设置有磁性浮球(53)的最低限位,磁性浮球(53)置于该最低限位时构成最低液位感应端。The instant drinking water heating device according to claim 6, wherein the guide rod (51) is provided with a minimum limit of the magnetic floating ball (53), and the magnetic floating ball (53) is placed at the minimum limit. The position constitutes the lowest level sensing end.
- 根据权利要求1所述即热式饮用水加热装置,其特征是,所述平衡水箱(2)上设置有入水口(21),加热器液位开关(5)和水泵液位开关(6)设置在入水口(21)垂直投影的一侧。The instant drinking water heating device according to claim 1, wherein the balance water tank (2) is provided with a water inlet (21), a heater liquid level switch (5) and a water pump liquid level switch (6). Set on the side of the vertical projection of the water inlet (21).
- 根据权利要求1所述即热式饮用水加热装置,其特征是,所述平衡水箱(2)上设置有入水口(21),平衡水箱(2)内对应入水口(21)位置设置有入水缓冲装置(22)。 The instant drinking water heating device according to claim 1, wherein the balance water tank (2) is provided with a water inlet (21), and the corresponding water inlet (21) in the balance water tank (2) is provided with water inlet. Buffer device (22).
- 根据权利要求3所述即热式饮用水加热装置,其特征是,所述平衡水箱(2)旁还连接有一体结构的热水区(23)和出水嘴(24),以构成综合水箱(8),上盖(7)延伸至热水区(23)和出水嘴(24)上方,以构成综合水箱上盖(9),且综合水箱上盖(9)与综合水箱(8)之间以热熔方式构成不可拆卸整体。 The instant drinking water heating device according to claim 3, wherein the integrated water tank (2) is further connected with a hot water zone (23) and a water outlet (24) of an integrated structure to form an integrated water tank ( 8) The upper cover (7) extends above the hot water zone (23) and the water outlet (24) to form an integrated water tank upper cover (9), and between the integrated water tank upper cover (9) and the integrated water tank (8) The non-detachable whole is formed by hot melt.
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CN201620843397 | 2016-08-05 | ||
CN201610650704.2A CN106091353A (en) | 2016-08-05 | 2016-08-10 | Instant heating type drinking water heating device |
CN201610650704.2 | 2016-08-10 |
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CN107830624A (en) * | 2017-11-25 | 2018-03-23 | 佛山市玖冠宇科技有限公司 | Instant heating type drinking water heating device |
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CN205878567U (en) | 2017-01-11 |
CN106091353A (en) | 2016-11-09 |
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