WO2021027234A1 - Système de commande de voie d'eau et chauffe-eau à changement de phase - Google Patents

Système de commande de voie d'eau et chauffe-eau à changement de phase Download PDF

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Publication number
WO2021027234A1
WO2021027234A1 PCT/CN2019/128693 CN2019128693W WO2021027234A1 WO 2021027234 A1 WO2021027234 A1 WO 2021027234A1 CN 2019128693 W CN2019128693 W CN 2019128693W WO 2021027234 A1 WO2021027234 A1 WO 2021027234A1
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WO
WIPO (PCT)
Prior art keywords
water
pipe
water inlet
pipeline
heat exchanger
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Application number
PCT/CN2019/128693
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English (en)
Chinese (zh)
Inventor
曾云
Original Assignee
芜湖美的厨卫电器制造有限公司
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Publication of WO2021027234A1 publication Critical patent/WO2021027234A1/fr

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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
    • 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
    • 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
    • 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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • 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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
    • 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
    • F24H15/156—Reducing the quantity of energy consumed; Increasing efficiency
    • 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 field of water heaters, and more specifically, to a waterway control system and a phase change water heater.
  • phase change water heater waterway control system has many parts and pipelines, it is more complicated, takes up a large space, and is cumbersome to assemble. Therefore, it is particularly important to design the waterway control system reasonably.
  • the present invention aims to solve one of the above technical problems at least to a certain extent.
  • the present invention proposes a waterway control system for a phase change water heater.
  • the waterway control system has a good pipeline layout and is convenient to switch between the circulating heating mode and the water discharge mode.
  • the present invention also provides a phase change water heater with the above-mentioned waterway control system.
  • the pipeline layout of the phase change water heater is reasonable and the working mode is convenient to switch.
  • the waterway control system of the phase change water heater includes: the phase change water heater includes at least a heat release mode and a circulating heating mode, and is characterized in that it includes: a heat exchanger, the heat exchanger including A water inlet and a water outlet; a water inlet pipe, the outlet of the water inlet pipe is connected with the water inlet and the water outlet of the heat exchanger, and the water inlet pipe and the water outlet of the heat exchanger are arranged side by side A one-way valve and a thermostatic valve, a heater is provided between the water inlet pipe and the water inlet of the heat exchanger; a water outlet pipe, the water outlet pipe is connected to the thermostatic valve; a water pump, the water pump is arranged on the Between the water inlet of the heat exchanger and the water outlet of the heat exchanger, in the case of the circulating heating mode, the water inlet and the water outlet of the heat exchanger are connected through the pipeline where the one-way valve is located.
  • the outlet of the water inlet pipe is connected to the water inlet and the water outlet of the heat exchanger, and the water inlet pipe is between the water outlet and the water outlet of the heat exchanger.
  • One-way valve and thermostatic valve are arranged side by side, which not only simplifies the pipeline layout of the waterway control system, but also makes it easy to switch between the circulating heating mode and the water discharge mode of the waterway control system.
  • the waterway control system of the phase change water heater according to the embodiment of the present invention may also have the following additional technical features:
  • the water pump is arranged between the water inlet of the heat exchanger and the outlet of the water inlet pipe.
  • the waterway control system includes a first pipeline and a second pipeline arranged opposite to each other, and the first pipeline and the second pipeline communicate with each other through a first communicating pipe and a second communicating pipe.
  • Pipe connection wherein the one-way valve is located between the inlets of the first communicating pipe and the second communicating pipe, and the thermostatic valve is located between the outlets of the first communicating pipe and the second communicating pipe.
  • a first tee pipe and a second tee pipe are respectively provided at both ends of the first pipeline, and the first tee pipe is connected to the water inlet pipe and the first communication pipe , The second three-way pipe is connected with the second communicating pipe and the water outlet of the heat exchanger.
  • the second pipeline defines a constant temperature water outlet, a hot water inlet, and a cold water inlet, and the cold water inlet end of the second pipeline is provided with a third three-way pipe.
  • the through pipe is connected with the first communicating pipe and the water inlet of the heat exchanger, the hot water inlet end of the second pipeline is provided with a fourth three-way pipe, and the fourth three-way pipe is connected to the first
  • the two connecting pipes are connected with the water outlet of the heat exchanger.
  • first pipeline and the first three-way pipe are connected in a threaded manner.
  • one end of the first pipeline is provided with a nut, the nut is provided with an internal thread, and the first tee tube is provided with an external thread matched with the internal thread.
  • the first pipeline is provided in the first limiting structure and the second limiting structure and is movably arranged between the first limiting structure and the second limiting structure
  • the second limiting structure defines a valve port matched with the valve plug.
  • the water outlet pipe and the second pipeline are arranged perpendicularly to communicate with the constant temperature water outlet.
  • the water outlet joint is integrally formed with the second pipeline and is arranged vertically.
  • the first three-way pipe is connected to a water inlet connector
  • the water inlet connector is connected with the water inlet pipe
  • the water inlet connector and the first pipeline are on the same straight line.
  • the second three-way pipe is connected to a hot water joint
  • the hot water joint is connected to the water outlet of the heat exchanger
  • the hot water joint and the first pipeline are in the same straight line. on.
  • the phase change water heater according to the embodiment of the present invention includes the waterway control system of the above-mentioned embodiment, because the waterway control system according to the embodiment of the present invention not only simplifies the pipeline layout of the waterway control system, but also makes the circulating heating mode and water discharge of the waterway control system The mode switching is convenient. Therefore, the pipeline layout of the phase change water heater according to the embodiment of the present invention is reasonable, and the function switching is convenient.
  • FIG. 1 is a schematic diagram of the connection relationship of a waterway control system according to some embodiments of the present invention, and the arrow in the figure represents the water flow direction in the water release mode;
  • Figure 2 is a schematic diagram of the connection relationship of the waterway control system according to some embodiments of the present invention, and the arrows in the figure represent the direction of the water flow in the circulating heating mode;
  • Figure 3 is a partial structural diagram of a waterway control system according to some embodiments of the present invention.
  • Figure 4 is a cross-sectional view of Figure 3 from an angle, in which the arrow in the figure indicates the flow direction of the water flow in the circulating heating mode;
  • Figure 5 is a cross-sectional view of Figure 3 from an angle, the arrow in the figure represents the direction of water flow in the water release mode;
  • Fig. 6 is a cross-sectional view of Fig. 3 from another angle.
  • Heat exchanger 10 water inlet 11; water outlet 12;
  • One-way valve 30 is
  • Thermostatic valve 40 Thermostatic valve 40;
  • First pipeline 81 first tee pipe 811; second tee pipe 812; nut 813; first limit structure 814; second limit structure 815; valve port 8151; valve plug 816; water inlet joint 817; Hot water connector 818;
  • Second pipeline 82 constant temperature water outlet 821; cold water inlet 823; third three-way pipe 824; water outlet joint 825; hot water inlet 826; fourth three-way pipe 827; first connecting pipe 83; second connecting pipe 84.
  • the phase change water heater includes at least a water discharge mode and a circulating heating mode.
  • the water discharge mode the cold water from the water inlet pipe 20 and the hot water from the heat exchanger 10 flow into the thermostatic valve 40 for mixing, and the water inlet pipe 20 The cold water is also simultaneously delivered to the heat exchanger 10 to supplement the water volume.
  • the heater 50 may preheat the cold water or not; in the case of the circulating heating mode, the water inlet pipe 20
  • the water outlet pipe 60 and the outlet pipe 60 are both closed. Under the pumping pressure of the water pump 70, the water flow circulates between the heat exchanger 10 and the heater 50.
  • the heater 50 Before the cold water enters the heat exchanger 10, the heater 50 must preheat the cold water. , the heating tube can be a heat pipe, and in addition, the power of the heat pipe can be set to be adjustable, so that in different working modes, the heat pipe can adopt different heating powers for heating.
  • the present invention focuses on solving the problem.
  • the waterway control system 100 of the variable water heater has complicated piping, difficult assembly operations, and stable performance.
  • a waterway control system 100 of a phase change water heater including: a heat exchanger 10, a water inlet pipe 20 and a water outlet pipe 60.
  • the heat exchanger 10 includes a water inlet 11 and a water outlet 12.
  • the heat exchanger 10 is embedded in the phase change material of the phase change water heater.
  • the phase change material exchanges heat with the heat exchanger 10. That is, when the water temperature in the heat exchanger 10 is lower than the phase change material, the heat of the phase change material will be released to the water in the heat exchanger 10; when the water temperature in the heat exchanger 10 is higher than the phase change material, the phase change The material will absorb the heat of the water in the heat exchanger 10.
  • connection should be understood in a broad sense, and it can mean direct connection or indirect connection.
  • connection because the water inlet pipe 20 and the water outlet 12 of the heat exchanger 10 are arranged side by side The one-way valve 30 and the thermostatic valve 40, therefore, the water inlet pipe 20 and the water outlet 12 of the heat exchanger 10 are indirectly connected.
  • a heater 50 is provided between the water inlet pipe 20 and the water inlet 11 of the heat exchanger 10, the water inlet pipe 20 and the water inlet 11 of the heat exchanger 10 are also indirectly connected.
  • the water in the water inlet pipe 20 can flow to the thermostatic valve 40 and the heat exchanger 10 at the same time, so that the water outlet pipe 60 discharges water and the water inlet pipe 20 enters. Ensure that the phase change water heater can continuously output water.
  • the water pump 70 is arranged between the water inlet 11 of the heat exchanger 10 and the water outlet 12 of the heat exchanger 10. In the case of the circulating heating mode, the water pump 70 drives the water flow between the inside and outside of the heat exchanger 10. It can be understood that in the case of the water discharge mode, the water pump 70 may not be activated. At this time, the water pump 70 only serves as a water passage. Thus, the energy consumption of the phase change water heater can be reduced, and the service life of the water pump 70 can be prolonged.
  • the water inlet 11 and the water outlet 12 of the heat exchanger 10 are connected through the pipeline where the one-way valve 30 is located.
  • the one-way valve 30 is subjected to water pressure to disconnect the water inlet 11 and the water outlet 12 of the heat exchanger 10, so as to prevent cold water from entering the heat exchanger 10 from the passage where the one-way valve 30 is located.
  • the normal flow of the waterway of the waterway control system 100 is the normal flow of the waterway of the waterway control system 100.
  • the outlet of the water inlet pipe 20 is connected to the water inlet 11 and the water outlet 12 of the heat exchanger 10, and the water inlet pipe 20 is connected to the outlet of the heat exchanger 10.
  • a one-way valve 30 and a thermostatic valve are arranged in parallel between the nozzles 12, which not only simplifies the pipeline layout of the waterway control system 100, but also makes it easy to switch between the circulating heating mode and the water discharge mode of the waterway control system 100.
  • the water pump 70 is provided between the water inlet 11 of the heat exchanger 10 and the outlet of the water inlet pipe 20. That is, the water pump 70 is arranged close to the water inlet pipe 20. In this way, when the phase change water heater is not working (neither the circulating heating mode nor the water discharge mode), the water pump 70 can be filled with cold water. In this way, the water pump 70 can be prevented from being soaked by hot water for a long time. The service life of the water pump 70.
  • the waterway control system 100 includes a first pipe 81 and a second pipe 82 arranged opposite to each other, the first pipe 81 and the second pipe
  • the pipeline 82 is connected by the first communication pipe 83 and the second communication pipe 84, wherein the one-way valve 30 is located between the inlets of the first communication pipe 83 and the second communication pipe 84, and the thermostatic valve is located between the first communication pipe 83 and the second communication pipe 84. Between the outlets of the two communicating tubes 84.
  • the first connecting pipe 83 is located on one side of the one-way valve 30 and the thermostatic valve
  • the second connecting pipe 84 is located on the other side of the one-way valve 30 and the thermostatic valve.
  • the one-way valve 30, the thermostatic valve, and the first connecting pipe 83 are
  • the pipeline layout of the second connecting pipe 84 and the second connecting pipe 84 form a "mouth" shape.
  • the pipelines of the waterway control system 100 are arranged in a regular and orderly manner, which facilitates the installation of the “mouth”-shaped pipeline as a whole inside the phase change water heater.
  • both ends of the first pipeline 81 are provided with a first three-way pipe 811 and a second three-way pipe 812, and the first three-way pipe 811 and The water inlet pipe 20 is connected to the first communicating pipe 83, and the second three-way pipe 812 is connected to the second communicating pipe 84 and the water outlet 12 of the heat exchanger 10.
  • the first three-way pipe 811 and the second three-way pipe 812 realize the multi-directional flow of cold water and hot water, so that the waterway control system can meet the switching of the circulating heating mode and the water discharge mode.
  • the second pipeline 82 defines a constant temperature water outlet 821, a hot water inlet 826, and a cold water inlet 823.
  • the cold water inlet 823 of the second pipeline 82 is provided with a third three-way pipe 824.
  • the third three-way pipe 824 is connected to the first connecting pipe 83 and the water inlet 11 of the heat exchanger 10.
  • the hot water of the second pipe 82 A fourth three-way pipe 825 is provided at the inlet 826 end, and the fourth three-way pipe 825 is connected to the second connecting pipe 84 and the water outlet 12 of the heat exchanger 10.
  • the components of the pipeline of the waterway control system 100 are very few, and the pipeline layout is regular and orderly. It occupies a small volume, so that the assembly and disassembly efficiency of the waterway control system 100 can be improved and the production cost can be reduced.
  • the constant temperature water outlet 821 of the second pipeline 82 is connected to a water outlet connector 825, and the water outlet connector 825 is connected to the water outlet pipe 60.
  • the water outlet connector 825 is integrally formed with the second pipeline 82 and is arranged vertically.
  • the second pipeline 82 and the water outlet joint 825 roughly form a T-shaped tube, thereby further making the arrangement of the waterway control system 100 more regular and orderly, and occupying a small volume. In this way, the assembly and disassembly efficiency of the waterway control system 100 can be improved, and the efficiency of assembly and disassembly of the waterway control system 100 can be improved. Cost of production.
  • the first three-way pipe 811 is connected to a water inlet joint 817, the water inlet joint 817 is connected to the water inlet pipe 20, and the water inlet joint 817 is connected to the first pipeline 81 are on the same line.
  • the second three-way pipe 812 defines a hot water inlet 826, the hot water inlet 826 is connected to a hot water connector 818, the hot water connector 818 is connected to the water outlet 12 of the heat exchanger 10, and the hot water connector 818 is connected to the first pipe 81 On the same line.
  • the water inlet connector 817, the first three-way pipe 811, the first pipeline 81, the second three-way pipe 812, and the hot water connector 818 are generally located on the same straight line. , The overall arrangement and installation of the pipeline are more convenient, and the pipeline structure of the waterway control system 100 is simplified.
  • the first pipeline 81 and the first three-way pipe 811 are connected in a threaded manner.
  • the assembly efficiency between the first pipeline 81 and the first three-way pipe 811 can be quickly improved, and on the other hand, it is also convenient to install the one-way valve 30 in the first pipeline 81.
  • the threaded connection is also convenient for pipeline maintenance.
  • a nut 813 is provided at one end of the pipeline, the nut 813 is provided with an internal thread, and the first tee 811 is provided with an external thread matched with the internal thread.
  • the one-way valve 30 includes a first limiting structure 814 arranged in the first pipeline 81, a second limiting structure 815 arranged in the first three-way pipe 811, and a first limiting structure 814 and The valve plug 816 between the second limiting structure 815, and the second limiting structure 815 defines a valve port 8151 that is matched with the valve plug 816. That is, the movement path of the one-way valve 30 is defined by the first limit structure 814 and the second limit structure 815.
  • the one-way valve 30 stops against the second limit structure 815 and closes the valve port 8151; Mode, the one-way valve 30 flows away from the second limiting structure 815 toward the first limiting structure 814, thereby opening the valve port 8151.
  • waterway of the waterway control system 100 can have multiple shut-off valves, temperature sensors, flow sensors, etc., so as to achieve the need for precise control of waterway flow, pressure, and temperature.
  • the phase change water heater according to the embodiment of the present invention includes the waterway control system 100 of the above-mentioned embodiment. Because the waterway control system 100 according to the embodiment of the present invention not only simplifies the pipeline layout of the waterway control system 100, but also makes the circulation of the waterway control system 100 It is convenient to switch between the heating mode and the water discharge mode. Therefore, the pipeline layout of the phase change water heater according to the embodiment of the present invention is reasonable and the function switching is convenient.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between two elements.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • the “on” or “under” of the first feature on the second feature may be in direct contact with the first and second features, or indirectly through an intermediary. contact.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

L'invention concerne un système de commande de voie d'eau (100) et un chauffe-eau à changement de phase, le système de commande de voie d'eau (100) comprenant : un échangeur de chaleur (10) qui comprend une entrée d'eau (11) et une sortie d'eau (12) ; un tuyau d'entrée d'eau (20), une sortie du tuyau d'entrée d'eau (20) étant respectivement reliée à l'entrée d'eau (11) et à la sortie d'eau (12) de l'échangeur de chaleur (10), un clapet de reflux (30) et une vanne thermostatique (40) étant placés en parallèle entre le tuyau d'entrée d'eau (20) et la sortie d'eau (12) de l'échangeur de chaleur (10), et un dispositif de chauffage (50) étant disposé entre le tuyau d'entrée d'eau (20) et l'entrée d'eau (11) de l'échangeur de chaleur (10) ; un tuyau de sortie d'eau (60) qui est relié à la vanne thermostatique (40) ; et une pompe à eau (70) qui est disposée entre l'entrée d'eau (11) de l'échangeur de chaleur (10) et la sortie d'eau (12) de l'échangeur de chaleur (10), et lorsqu'elle se trouve dans un mode de chauffage en circulation, l'entrée d'eau (11) et la sortie d'eau (12) de l'échangeur de chaleur (10) communiquent au moyen d'une canalisation où se trouve le clapet de reflux (30).
PCT/CN2019/128693 2019-08-09 2019-12-26 Système de commande de voie d'eau et chauffe-eau à changement de phase WO2021027234A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910734439.XA CN112344565A (zh) 2019-08-09 2019-08-09 水路控制系统和相变热水器
CN201910734439.X 2019-08-09

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WO2021027234A1 true WO2021027234A1 (fr) 2021-02-18

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Citations (6)

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US20150354832A1 (en) * 2014-06-06 2015-12-10 Rinnai Corporation Hot water supply apparatus
CN205717913U (zh) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 相变蓄热式热水器
CN106196604A (zh) * 2016-07-28 2016-12-07 芜湖美的厨卫电器制造有限公司 相变储热式热水器及其控制方法
US20170299222A1 (en) * 2016-04-18 2017-10-19 DAESUNG CELTIC ENERSYS Co., Ltd Water heater system
CN108278778A (zh) * 2018-03-27 2018-07-13 芜湖美的厨卫电器制造有限公司 一种相变电热水器和水温控制方法
CN207936495U (zh) * 2018-01-25 2018-10-02 芜湖美的厨卫电器制造有限公司 相变热水器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204313377U (zh) * 2014-12-09 2015-05-06 芜湖美的厨卫电器制造有限公司 水路连接装置和具有其的热水系统
CN205064939U (zh) * 2015-09-22 2016-03-02 浙江盾安机械有限公司 一种单向阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150354832A1 (en) * 2014-06-06 2015-12-10 Rinnai Corporation Hot water supply apparatus
US20170299222A1 (en) * 2016-04-18 2017-10-19 DAESUNG CELTIC ENERSYS Co., Ltd Water heater system
CN205717913U (zh) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 相变蓄热式热水器
CN106196604A (zh) * 2016-07-28 2016-12-07 芜湖美的厨卫电器制造有限公司 相变储热式热水器及其控制方法
CN207936495U (zh) * 2018-01-25 2018-10-02 芜湖美的厨卫电器制造有限公司 相变热水器
CN108278778A (zh) * 2018-03-27 2018-07-13 芜湖美的厨卫电器制造有限公司 一种相变电热水器和水温控制方法

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