CN106911176B - Electric water heater safety device with self-powered function - Google Patents

Electric water heater safety device with self-powered function Download PDF

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Publication number
CN106911176B
CN106911176B CN201710184076.8A CN201710184076A CN106911176B CN 106911176 B CN106911176 B CN 106911176B CN 201710184076 A CN201710184076 A CN 201710184076A CN 106911176 B CN106911176 B CN 106911176B
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China
Prior art keywords
module
power
communication module
water flow
water heater
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CN201710184076.8A
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CN106911176A (en
Inventor
余少言
刘兵
刘建明
权兴涛
卢明辉
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021Storage heaters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Plumbing Installations (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a safety device of an electric water heater with a self-powered function, which mainly comprises a water flow power generation module, a power supply module, a water flow sensor assembly, a communication module and an intelligent socket, wherein the water flow power generation module is connected to a water inlet and outlet pipe of the electric water heater; the water flow power generation module, the power supply module and the water flow sensor are all arranged in a box. The invention can charge the power module battery through the water flow power generation module and is provided with the safety detection device, so that customers do not need to replace the battery frequently, the service life is long, and the safety detection device is safe and convenient.

Description

Electric water heater safety device with self-powered function
Technical Field
The invention relates to the technical field of electric water heaters, in particular to a safety technology of an electric water heater.
Background
The absolute safety of the electric water heater is always the pursued goal of people, if a control system for water flow outage is adopted, a water flow sensor is matched with an intelligent socket, the system is arranged on the electric water heater which uses a common power line or has no communication function leakage protection, when the electric water heater uses water, the intelligent socket automatically cuts off the power supply tripole, after the water interruption, the intelligent socket automatically closes the power supply tripole, and the electric water heater resumes normal power-on operation. The system is powered by a dry battery water supply flow sensor module and a communication module. The dry battery has limited electric quantity and short service time, each module in the box stops working after the electric quantity of the battery is exhausted, the user needs to frequently replace the battery to increase the use cost of the user, and the user in partial areas is difficult to purchase the proper battery, so that the user is easy to bring extremely bad user experience to consider the product unreliable, and meanwhile, the dry battery is extremely easy to damage in advance due to the factor of the use environment, so that the safety factor exists.
Disclosure of Invention
The invention aims to provide the safety device of the water heater with the self-powered function, which has long service life and is generated by utilizing water flow of the water heater without frequent battery replacement for customers.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an electric water heater safety device with self-powered function, mainly comprises rivers power generation module, power module, water flow sensor subassembly, communication module and smart jack, rivers power generation module is connected on the business turn over water pipe of electric water heater, and power module and water flow sensor are supplied power to in real time to the battery of power module and communication module, and the power cord plug of electric water heater is inserted on smart jack, and electric water heater circular telegram normal work when closing the water valve;
the power supply module consists of a chargeable and dischargeable battery or Faraday capacitor, a charge and discharge circuit module and a control circuit module;
the water flow sensor assembly mainly comprises a magnetic rotor assembly, a steady flow assembly, a Hall element and a guide cylinder, wherein the guide cylinder has forward guide characteristics, and when water flows forward, the magnetic rotor is driven to rotate;
the intelligent socket consists of a shell, a pin seat, pins, a voltage reduction circuit, a leakage detection circuit, a release and a communication module;
when the water valve is closed, the electric water heater is electrified to normally work, the water flow sensor and the communication module are powered by the battery to be in a low-power-consumption dormant state, when the water flows through the water flow sensor, the detection circuit is awakened, the water flow sensor sends a power-off instruction to the intelligent socket through the communication module, and the intelligent socket automatically cuts off the tripolar of the power supply after receiving the power-off instruction, so that the electric water heater is in the power-off state;
when water flows through the water flow power generation module, the generated electric energy passes through the rectifying filtering voltage stabilizing circuit and then outputs stable voltage to charge and store energy for the battery of the power module.
As a further explanation of the scheme, the water flow power generation module, the power supply module, the water flow sensor and the communication module are all assembled in a box and fixed on the water inlet and outlet pipes of the electric water heater.
Further, the water flow power generation module consists of a shell, a miniature generator, a fixed rotating shaft and a vortex impeller, wherein the vortex impeller is arranged in the water inlet and outlet pipe;
the miniature generator comprises a permanent magnet rotor, a stator and a wire, wherein the stator is fixed on the shell.
Further, the communication module is a communication line, an optical coupler or a wireless communication module, and the communication module and the intelligent socket communication module are in bidirectional communication.
Further, the wireless communication module comprises an RF (radio frequency) module, a Modbus communication module, a ZigBee communication module, a Bluetooth communication module or a WiFi communication module.
Further, there is the electric leakage detection circuitry in the smart jack, when the electric leakage appears through induction coil's zero fire or ground wire, the electromotive force that induction coil produced will be unbalanced, and the signal is passed to the release through processing, and the release action cuts off the power tripolar.
Compared with the prior art, the self-powered electric water heater safety device provided by the invention has the following beneficial effects: the intelligent water flow power generation device comprises a water flow power generation module, a water flow sensor, a power module, a communication module and an intelligent socket. The water flow power generation module, the water flow sensor, the power supply module and the communication module are arranged in the box, and the box and the intelligent socket are matched for use. The plug of the electric water heater is inserted on the intelligent socket, the box is arranged at the water inlet and outlet of the electric water heater, when the water outlet of the electric water heater is opened and water passes through, the water flow power generation module starts to generate power to charge the battery of the power supply module, and the battery supplies power to the water flow sensor and the communication module at the same time, so that the communication between the box and the intelligent socket is ensured to be normal. After water is cut off, the water flow power generation module stops generating power, and the electric quantity stored by the battery of the power supply module can maintain normal operation of each module in the box for a long time. The battery of the power module can be circularly charged and discharged, the service life is long, customers do not need to frequently replace the battery, the use cost is saved for the users, and better user experience is brought to the users, and the invention has the following specific advantages:
1. the safety device can be self-powered, so that a customer does not need to frequently replace a battery, the use cost is saved for the user, and better user experience is brought to the user.
2. The intelligent socket cuts off the power supply tripolar when boiling water, and the intelligent socket automatically switches on the power supply safety device after cutting off the water to safely upgrade the electric water heater using the common power line or the common leakage protection.
3. The intelligent socket has the earth leakage protection function, and when the electric leakage occurs, the intelligent socket cuts off the power tripolar, avoids the user to be electrocuted.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a block schematic diagram of the cassette of the present invention.
Fig. 3 is a block diagram of a power module according to the present invention.
Fig. 4 is a schematic diagram of a shaping circuit according to the present invention.
Reference numerals illustrate: 1. the electric water heater 2, the box 3, the water inlet and outlet pipeline 4, the intelligent socket 5, the plug 6 and the power line.
Detailed Description
The patent of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the safety device of the electric water heater with the self-powered function mainly comprises a water flow power generation module, a power supply module, a water flow sensor, a communication module and an intelligent socket, wherein the water flow power generation module, the power supply module, the water flow sensor and the communication module are all assembled in a box 2 and fixed on an inlet and outlet water pipe 3 of the electric water heater. The water flow power generation module is connected to a water inlet and outlet pipe 3 of the electric water heater 1 and consists of a shell, a miniature generator, a fixed rotating shaft, a vortex impeller and the water inlet and outlet pipe. The miniature generator comprises a permanent magnet rotor, a stator and a wire, wherein the stator is fixed on the shell.
As shown in fig. 3, the power module is composed of a chargeable and dischargeable battery or farad capacitor, a charge and discharge circuit module and a control circuit module.
The water flow sensor assembly mainly comprises a magnetic rotor assembly, a steady flow assembly, a Hall element and a guide cylinder, wherein the guide cylinder has forward guide characteristics, and when water positively flows, the magnetic rotor is driven to rotate.
The communication module can be a communication line, an optical coupler or a wireless communication module (comprising an RF radio frequency module, a Modbus communication module, a ZigBee communication module, a Bluetooth communication module or a WiFi communication module), and the communication module in the box and the intelligent socket communication module are in bidirectional communication.
The intelligent socket consists of a shell, a pin seat, pins, a voltage reduction circuit, a leakage detection circuit, a release and a communication module.
As shown in fig. 1, power line plugs 5 and 6 of the electric water heater are plugged into the intelligent socket 4, when the water valve is closed, the electric water heater 1 is electrified to work normally, and the water flow sensor and the communication module in the box 2 are powered by batteries to be in a low-power-consumption dormant state.
When the water valve is opened and the water outlet of the electric water heater has water flowing through the water flow sensor, the detection circuit is awakened, the water flow sensor sends a power-off instruction to the intelligent socket through the communication module, and the intelligent socket automatically cuts off the tripolar of the power supply after receiving the power-off instruction, so that the electric water heater is in a power-off state.
When water flows through the water flow power generation module, the water flow pushes the vortex impeller to rotate, the magnet rotor and the stator cut the magnetic induction line to generate electric energy, and stable voltage is output to charge and store energy for the power module battery after passing through the rectifying, filtering and voltage stabilizing circuit. The power supply module supplies power to the water flow sensor and the communication module simultaneously, so that the communication between the box and the intelligent socket is ensured to be normal. When water is cut off, the water flow power generation module stops generating power, and the electric quantity stored by the power supply module can maintain normal operation of each module in the box for a long time.
The battery of the power module supplies power for the communication module and the water flow sensor in real time.
The control circuit module continuously or intermittently detects water flow signals, when water flows through the water flow sensor, the communication module sends a power-off instruction to the intelligent socket, and when the intelligent socket receives the power-off instruction, the power supply tripoles of the electric water heater are disconnected; after detecting that no water flow signal exists, the communication module sends a closing instruction to the intelligent socket, the intelligent socket automatically closes a power tripolar, and the electric water heater is powered on in a recovery mode.
The intelligent socket is provided with a leakage protection circuit, when leakage occurs through zero fire or ground wire of the induction coil, electromotive force generated by the induction coil is unbalanced, signals are transmitted to the release through processing, the release acts, and the power supply tripoles are cut off.
The invention sets all modules in one box, which can change the existing electric water heater into device, with convenience and high speed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present invention.

Claims (6)

1. The utility model provides an electric water heater safety device with self-powered function, mainly comprises rivers power generation module, power module, water flow sensor subassembly, communication module and smart jack, rivers power generation module is connected on the business turn over water pipe of electric water heater, and power module and water flow sensor are supplied power to in real time to the battery of power module and communication module, and the power cord plug of electric water heater is inserted on smart jack, and electric water heater circular telegram normal work when closing the water valve;
the power supply module consists of a chargeable and dischargeable battery or Faraday capacitor, a charge and discharge circuit module and a control circuit module;
the water flow sensor assembly mainly comprises a magnetic rotor assembly, a steady flow assembly, a Hall element and a guide cylinder, wherein the guide cylinder has forward guide characteristics, and when water flows forward, the magnetic rotor is driven to rotate;
the intelligent socket consists of a shell, a pin seat, pins, a voltage reduction circuit, a leakage detection circuit, a release and a communication module;
when the water valve is closed, the electric water heater is electrified to normally work, the water flow sensor and the communication module are powered by the battery to be in a low-power-consumption dormant state, when the water flows through the water flow sensor, the detection circuit is awakened, the water flow sensor sends a power-off instruction to the intelligent socket through the communication module, and the intelligent socket automatically cuts off the tripolar of the power supply after receiving the power-off instruction, so that the electric water heater is in the power-off state;
when water flows through the water flow power generation module, the generated electric energy passes through the rectifying filtering voltage stabilizing circuit and then outputs stable voltage to charge and store energy for the battery of the power module.
2. The safety device of claim 1, wherein the water flow power generation module, the power module, the water flow sensor and the communication module are all assembled in a box and fixed on the water inlet and outlet pipe of the electric water heater.
3. The electric water heater safety device with the self-power supply function according to claim 1 or 2, wherein the water flow power generation module consists of a shell, a micro-generator, a fixed rotating shaft and a vortex impeller, and the vortex impeller is arranged in the water inlet and outlet pipe;
the miniature generator comprises a permanent magnet rotor, a stator and a wire, wherein the stator is fixed on the shell.
4. The electric water heater safety device with self-powered function according to claim 1 or 2, wherein the communication module is a communication line, an optical coupler or a wireless communication module, and the communication module is in bidirectional communication with the intelligent socket communication module.
5. The self-powered electric water heater safety device according to claim 4, wherein the wireless communication module comprises an RF radio frequency module, a Modbus communication module, a ZigBee communication module, a bluetooth communication module, or a WiFi communication module.
6. The electric water heater safety device with self-powered function as claimed in claim 4, wherein the intelligent socket is internally provided with a leakage detection circuit, when leakage occurs through zero fire or ground wire of the induction coil, electromotive force generated by the induction coil is unbalanced, signals are transmitted to the release through processing, the release acts, and the power supply is cut off.
CN201710184076.8A 2017-03-24 2017-03-24 Electric water heater safety device with self-powered function Active CN106911176B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328110B (en) * 2017-07-27 2020-06-02 浙江新涛电子科技有限公司 Pulse type water outlet power-off control circuit
CN107345712A (en) * 2017-08-07 2017-11-14 佛山市顺德区乾铭电子科技有限公司 The modular anti-electric shock apparatus and control method of a kind of water heater
CN110388753B (en) * 2019-07-04 2021-05-14 广东万家乐燃气具有限公司 Electric water heater does not have washing control system, intelligent gondola water faucet and electric water heater

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CN104990277A (en) * 2015-07-21 2015-10-21 庄景阳 Wireless transmission device with charging device
CN105509337A (en) * 2016-01-22 2016-04-20 浙江远能新能源有限公司 Permanent-magnet purification type solar water heater
CN105910291A (en) * 2016-05-31 2016-08-31 广东万家乐燃气具有限公司 Electric water heater control system capable of being powered off intelligently
CN105972832A (en) * 2016-07-05 2016-09-28 广东万家乐燃气具有限公司 Electric water heater water output power-off control system capable of preventing misoperation

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
US9989266B2 (en) * 2014-12-22 2018-06-05 Battelle Memorial Institute Automatic set point detection for water heaters operating in a demand response

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990277A (en) * 2015-07-21 2015-10-21 庄景阳 Wireless transmission device with charging device
CN105509337A (en) * 2016-01-22 2016-04-20 浙江远能新能源有限公司 Permanent-magnet purification type solar water heater
CN105910291A (en) * 2016-05-31 2016-08-31 广东万家乐燃气具有限公司 Electric water heater control system capable of being powered off intelligently
CN105972832A (en) * 2016-07-05 2016-09-28 广东万家乐燃气具有限公司 Electric water heater water output power-off control system capable of preventing misoperation

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