CN205351732U - Water heater - Google Patents
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- CN205351732U CN205351732U CN201521095833.7U CN201521095833U CN205351732U CN 205351732 U CN205351732 U CN 205351732U CN 201521095833 U CN201521095833 U CN 201521095833U CN 205351732 U CN205351732 U CN 205351732U
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Abstract
The utility model discloses a water heater, including casing, waterway system, current detection device, safety protection valve and controller, waterway system has into the water end and goes out the water end (W. E. ), waterway system establish in the casing and intake the end with go out the water end (W. E. ) and expose from the casing, current detection device is used for detecting the aquatic electric current size in the waterway system, the safety protection valve is changeable between open mode and closed condition, the break -make of safety protection valve rivers in through the switching control waterway system of self state, the controller respectively with current detection device and the communication of safety protection valve, controller control safety protection valve is the open mode when current detection device's current detection value is less than or equal to the rated value, the controller is controlled the safety protection valve and is the closed condition when current detection device's current detection value is greater than the rated value. According to the utility model discloses a water heater can cut off the water water route when the electric leakage, the safety in utilization is high.
Description
Technical field
This utility model relates to technical field of water heaters, especially relates to a kind of water heater.
Background technology
Water heater in correlation technique, installs the live wire caused lack of standardization and zero line due to water heater product itself, subscriber's line circuit and connects in anti-or the family of neighbor user electric leakage etc. and there will be leaky, poor stability.For this, occur in that some are provided with the water heater of anti-electricity wall, anti-electric brake, earth leakage protective etc., but these water heaters simply reduce electric current when electric leakage or cut off the electricity supply, and can not thoroughly solve electric shock problem, safety is not high.
Utility model content
This utility model is intended at least solve one of technical problem of existence in prior art.For this, this utility model needs to provide a kind of water heater, and described water heater has advantage safe to use.
Water heater according to this utility model first aspect, including: housing；Water circuit system, described water circuit system has water inlet end and water side, and described water circuit system is located in described housing and described water inlet end and described water side are exposed from described housing；For detecting the current sensing means of size of current in the water in described water circuit system；Switchable safety protective valve between open mode and closed mode, described safety protective valve is by the break-make of current in water circuit system described in the switching control of oneself state；Controller; described controller respectively with described current sensing means and described safety protective valve communication; when the current detection value of described current sensing means is less than or equal to rated value, described controller controls described safety protective valve in opened condition, and when the current detection value of described current sensing means is more than described rated value, described controller controls described safety protective valve is closed mode.
According to water heater of the present utility model, it is possible to be assuredly shut off the current in water circuit system when electric leakage, it is prevented that the generation of electric shock casualty accident, thus ensureing that user uses safety, and do not affect the just conventional water of user.
Described safety protective valve and described current sensing means are installed on described water circuit system and are close to the same one end in described water inlet end and described water side and arrange.
Described safety protective valve and described current sensing means are installed on described water circuit system and are respectively adjacent to described water inlet end and described water side is arranged.
Described current sensing means is located in described water circuit system.
Described water circuit system includes the metalwork directly contacted with the water in described water circuit system, and described current sensing means is arranged on the outer wall of described metalwork.
Described controller be set on the housing and with the display & control system of described water circuit system communication, the current detection value of described current sensing means is shown by described display & control system.
Described water heater is gas heater and described water circuit system includes: heat-exchanger rig；Water feed apparatus, described water feed apparatus connects with described heat-exchanger rig and exposes from described housing；Discharging device, described discharging device connects with described heat-exchanger rig and exposes from described housing；For the burner that the water in described heat-exchanger rig is heated；Controller for gas; described controller for gas connects with described burner and exposes from described housing; described controller and described controller for gas communication, wherein, described current sensing means and described safety protective valve are located between described water feed apparatus and described heat-exchanger rig.
Described water circuit system also includes: according to water temperature and hydraulic pressure regulating water flow the Flow-rate adjustment feedback device feeding back discharge, described Flow-rate adjustment feedback device be located between water feed apparatus and described heat-exchanger rig and with described controller communication, described controller controls the gas supply ratio of described combustion control system according to the feedback information of described Flow-rate adjustment feedback device.
Described gas heater also includes: for discharging the smoke evacuation system of flue gas that described burner produces, described smoke evacuation system is located in described housing and connect with the space outerpace of described housing, described controller and described smoke evacuation system communication.
Described water heater is electric heater and described water circuit system includes: heat-storing device；Water feed apparatus, described water feed apparatus connects with described heat-storing device and exposes from described housing；Discharging device, described discharging device connects with described heat-storing device and exposes from described housing；For the electric heater unit that the water in described heat-storing device is heated; described electric heater unit and described controller communication; wherein; described current sensing means is located in described heat-storing device, between described water feed apparatus and described heat-storing device or between described heat-storing device and described discharging device, and described safety protective valve is located between described water feed apparatus and described heat-storing device or between described heat-storing device and described discharging device.
Described water heater includes for instant electric water heater and described water circuit system: electric heater unit, described electric heater unit and described controller communication；Water feed apparatus, described water feed apparatus connects with described electric heater unit and exposes from described housing；Discharging device; described discharging device connects with described electric heater unit and exposes from described housing; wherein, described current sensing means and described safety protective valve are respectively provided between described water feed apparatus and described electric heater unit or between described electric heater unit and described discharging device.
Described instant electric water heater also includes: for the power distribution equipment for described instant electric water heater's complete machine distribution, the described power distribution equipment described housing of traverse；For the thermal circuit beraker of power distribution protection, described thermal circuit beraker is located in described housing.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water heater according to this utility model embodiment；
Fig. 2 is the sectional view of the Flow-rate adjustment feedback device of the water heater according to this utility model embodiment；
Fig. 3 is the structural representation of the water heater according to this utility model the first alternative embodiment；
Fig. 4 is the structural representation of the water heater according to this utility model the second alternative embodiment.
Accompanying drawing labelling:
Water heater 1,
Housing 10,
Water circuit system 20, water inlet end 21, water side 22,
Water feed apparatus 200, discharging device 210, heat-exchanger rig 220, burner 230, controller for gas 240,
Flow-rate adjustment feedback device 250,
Shell 2500, water inlet 2510, outlet 2520；
Flow-rate adjustment assembly 2600, fixing seat 2610, mobile post 2620, tapered portion 2621, temperature flow adjustment hole 2630；
The temperature module 2700, fixing temperature-sensitive shell 2710, mounting seat 2711, temperature-sensitive shell 2712, support elastic component 2713, temperature-sensitive runner 2714, temperature-sensitive boss 2715, moving sleeve 2720, sleeve boss 2721, sleeve runner 2722, temperature sensibility 2730, bearing 2740, bearing runner 2741, temperature-sensitive elastic component 2750；
Pressure-sensitive assembly 2800, pressure-sensitive holder 2810, pressure-sensitive part 2820, pressure flow adjustment hole 2830；
Flow feedback assembly 2900, turbo blade 2910, magnet rotor 2920, Hall element 2930, shaft seat 2940, rotating shaft 2950.
Heat-storing device 260, electric heater unit 270, power distribution equipment 280, thermal circuit beraker 290,
Current sensing means 30, safety protective valve 40, controller 50, smoke evacuation system 60.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Describing the water heater 1 according to this utility model embodiment below with reference to Fig. 1-Fig. 4, described water heater 1 has advantage safe to use.
As Figure 1-Figure 4, the water heater 1 according to this utility model embodiment, including housing 10, water circuit system 20, current sensing means 30, safety protective valve 40 and controller 50.
Water circuit system 20 is located in housing 10 and water circuit system 20 has water inlet end 21 and water side 22, water inlet end 21 and water side 22 and exposes from housing 10, to facilitate external pipeline.Current sensing means 30 is for detecting size of current in the water in water circuit system 20, and safety protective valve 40 is changeable between open mode and closed mode, and safety protective valve 40 is by the break-make of current in the switching control water circuit system 20 of oneself state.Controller 50 respectively with current sensing means 30 and safety protective valve 40 communication; when the current detection value of current sensing means 30 is less than or equal to rated value; controller 50 controls safety protective valve 40 in opened condition; when the current detection value of current sensing means 30 is more than rated value, controller 50 controls safety protective valve 40 in closed mode.
In other words; under the duty of water heater 1; current sensing means 30 detects that the current value of the water in water circuit system 20 is less than or equal to rated value; controller 50 controls safety protective valve 40 and is in opening; water is entered water circuit system 20 by water inlet end 21 and flows out water circuit system 20 from water side 22, is normally carried out supplying water.When there is electric leakage accident; when current sensing means 30 detects the current value of the water in water circuit system 20 more than rated value, controller 50 controls safety protective valve 40 and is closed, now the cut-out of the current road between water inlet end 21 and water side 22; water cannot flow out from water side 22; thus, it is to avoid user is in the water utilizing processes such as bathing, after water on body shower; the resistance value instantaneous reduction of health; the electric current moment causing health increases, and personnel cannot break away from, and causes electric shock casualty accident.
Water heater 1 according to this utility model embodiment, it is possible to be assuredly shut off the current in water circuit system 20 when electric leakage, it is prevented that the generation of electric shock casualty accident, thus ensureing that user uses safety, and does not affect the just conventional water of user.
As Figure 1-Figure 4; according to embodiments more of the present utility model; safety protective valve 40 and current sensing means 30 can be installed on water circuit system 20, and safety protective valve 40 and current sensing means 30 are close to the same one end in water inlet end 21 and water side 22 and arrange.Such as, all contiguous water inlet end 21 of safety protective valve 40 and circuit checker is arranged.Or, safety protective valve 40 and circuit checker can also all be close to water side 22 and arrange.
It is appreciated that safety protective valve 40 and current sensing means 30 can also be respectively adjacent to water inlet end 21 and water side 22 is arranged.Such as; the contiguous water inlet end 21 of safety protective valve 40 is arranged; the contiguous water side 22 of current sensing means 30 is arranged; when current sensing means 30 detects the current value of water side 22 place water more than rated value; controller 50 controls safety protective valve 40 and cuts out; thus the current of water inlet end 21 disconnect, water cannot enter water circuit system 20 from water inlet end 21.Or; the contiguous water side 22 of safety protective valve 40 is arranged; the contiguous water inlet end 21 of current sensing means 30 is arranged; when current sensing means 30 detects the current value of water inlet end 21 place water more than rated value; controller 50 controls safety protective valve 40 and cuts out; thus the current of water side 22 disconnect, water cannot flow out from water side 22.
Alternatively, current sensing means 30 can be located in water circuit system 20, directly to detect size of current in the water in water circuit system 20.And if water circuit system 20 includes the metalwork (such as metal tube) that directly contacts with the water in water circuit system 20, current sensing means 30 can also be arranged on the outer wall of metalwork, so, current sensing means 30 can size of current in the water in indirect detection water circuit system 20.
According to embodiments more of the present utility model, controller 50 can be located on housing 10 and with the display & control system of water circuit system 20 communication, the current detection value of current sensing means 30 is shown by display & control system, and in the water in such water circuit system 20, size of current user is visual, and user uses safer.Preferably, the on and off of safety protective valve 40 can also be shown by display & control system.
In embodiment shown in Fig. 1 and Fig. 2, water heater 1 can be gas heater, and water circuit system 20 can include heat-exchanger rig 220, water feed apparatus 200, discharging device 210, burner 230 and controller for gas 240, water feed apparatus 200 connects with heat-exchanger rig 220, and water feed apparatus 200 exposes from housing 10 so that external inlet pipeline, discharging device 210 connects with heat-exchanger rig 220, and discharging device 210 exposes from housing 10 to pick out water lines, so constitute the whole water route of water heater 1.Burner 230 is heated for the water in heat exchanging device 220, controller for gas 240 connects with burner 230, and controller for gas 240 exposes from housing 10 so that external fuel gas pipeline, controller 50 and controller for gas 240 communication, to control the gas supply amount of controller for gas 240.
Wherein, current sensing means 30 and safety protective valve 40 are located between water feed apparatus 200 and heat-exchanger rig 220; specifically; safety protective valve 40 is arranged between water inlet end 21 and heat-exchanger rig 220; the comparatively safe protection valve 40 of current sensing means 30 is more contiguous heat-exchanger rig 220 in water (flow) direction, and namely current sensing means 30 is positioned at the downstream of safety protective valve 40.
Further, as depicted in figs. 1 and 2, water circuit system 20 can also include Flow-rate adjustment feedback device 250, Flow-rate adjustment feedback device 250 can according to water temperature and hydraulic pressure regulating water flow and feed back discharge, Flow-rate adjustment feedback device 250 is located between water feed apparatus 200 and heat-exchanger rig 220, and Flow-rate adjustment feedback device 250 and controller 50 communication, controller 50 controls the gas supply ratio of controller for gas 240 according to the feedback information of Flow-rate adjustment feedback device 250.
Under normal circumstances; namely when the current detection value of current sensing means 30 is less than or equal to rated value; safety protective valve 40 be in normally open; water enters water circuit system 20 from water feed apparatus 200; flow successively through Flow-rate adjustment feedback device 250, safety protective valve 40, current sensing means 30 and enter heat-exchanger rig 220; water after the heating of burned device 230, is flowed out by discharging device 210 in heat-exchanger rig 220.Wherein, controller 50 controls Flow-rate adjustment feedback device 250 and controller for gas 240 respectively according to the flow information that Flow-rate adjustment feedback device 250 feeds back, gas supply ratio with regulating water flow and controller for gas 240, thus controlling the burning load of burner 230, water outlet is made to reach ideal temperature.When electric current overrate in the water that current sensing means 30 detects in water circuit system 20; this signal is fed back to controller 50 by current sensing means 30; controller 50 controls safety protective valve 40 and cuts out; so that the current in the whole water circuit system 20 of water heater 1 disconnect, reach the purpose of safeguard protection.
Alternatively, gas heater can also include smoke evacuation system 60, and smoke evacuation system 60 is for discharging the flue gas that burner 230 produces, and smoke evacuation system 60 is located in housing 10 and connects with the space outerpace of housing 10, controller 50 and smoke evacuation system 60 communication, thus controlling the emission behaviour of flue gas.
Referring to Fig. 2, the Flow-rate adjustment feedback device 250 according to this utility model embodiment is described.
As in figure 2 it is shown, the Flow-rate adjustment feedback device 250 according to this utility model embodiment includes shell 2500, Flow-rate adjustment assembly 2600, the temperature module 2700, pressure-sensitive assembly 2800 and flow feedback assembly 2900.
Specifically, water inlet 2510 and outlet 2520 be respectively provided at shell 2500 along its two ends axially, Flow-rate adjustment assembly 2600, the temperature module 2700 and pressure-sensitive assembly 2800 are each provided in housing, flow feedback assembly 2900 is located on housing, Flow-rate adjustment assembly 2600, the temperature module 2700, pressure-sensitive assembly 2800 and flow feedback assembly 2900 are along the axially-aligned of shell 2500 and are axially respectively positioned between water inlet 2510 and outlet 2520 at shell 2500, and wherein the contiguous water inlet 2510 of flow feedback assembly 2900 is arranged.Certainly, flow feedback assembly 2900 can also be close to outlet 2520 and arranges.
The temperature module 2700 includes fixing temperature-sensitive shell 2710, moving sleeve 2720, temperature sensibility 2730, bearing 2740 and temperature-sensitive elastic component 2750.Wherein, fixing temperature-sensitive shell 2710 includes mounting seat 2711, temperature-sensitive shell 2712 and support elastic component 2713, mounting seat 2711 is arranged in shell 2500 and position is fixed, temperature-sensitive shell 2712 and moving sleeve 2720 limit the accommodation chamber of variable volume jointly, temperature sensibility 2730 is located at described accommodation intracavity, supporting elastic component 2713 is spring, temperature-sensitive shell 2712 is provided with temperature-sensitive boss 2715, support elastic component 2713 and be set on temperature-sensitive shell 2712, and the two ends supporting elastic component 2713 are against on temperature-sensitive boss 2715 and moving sleeve 2720 respectively, temperature-sensitive shell 2712 support elastic component 2713 effect under be often against in mounting seat 2711 and and mounting seat 2711 between limit temperature-sensitive runner 2714.Moving sleeve 2720 is set on temperature-sensitive shell 2712 movably.
Temperature sensibility 2730 is for paraffin and is located between temperature-sensitive shell 2712 and moving sleeve 2720, and temperature sensibility 2730 is directed away from the direction of temperature-sensitive shell 2712 is moved by the moving sleeve 2720 that expands against of self.Bearing 2740 is arranged in shell 2500, temperature-sensitive elastic component 2750 is spring, moving sleeve 2720 is provided with sleeve boss 2721, temperature-sensitive elastic component 2750 is set on moving sleeve 2720, and the two ends of temperature-sensitive elastic component 2750 are against on sleeve boss 2721 and bearing 2740 respectively, sleeve boss 2721 is provided with sleeve runner 2722 and limits bearing runner 2741 between moving sleeve 2720 and bearing 2740.
Flow-rate adjustment assembly 2600 includes fixing seat 2610 and mobile post 2620, fixing seat 2610 is arranged in shell 2500 and position is fixed, fixing seat 2610 is provided with the bellmouth that cross-sectional area is gradually increased by outlet 2520 to water inlet 2510, mobile post 2620 is connected with moving sleeve 2720, mobile post 2620 is provided with the tapered portion 2621 of the shape adaptation with bellmouth, temperature flow adjustment hole 2630 is limited between outer peripheral face and the inner peripheral surface of bellmouth of tapered portion 2621, mobile post 2620 moves to regulate the cross-sectional area of temperature flow adjustment hole 2630 by being relatively fixed seat 2610.
Pressure-sensitive assembly 2800 includes two pressure-sensitive holders 2810 and pressure-sensitive part 2820, and two pressure-sensitive holders 2810 can close to each other or remotely be located in shell 2500, and the direction being oriented parallel to current of two pressure-sensitive holders 2810 relative movement.Wherein, a pressure-sensitive holder 2810 can carry out the spacing of range by the backstop of fixing seat 2610, and another pressure-sensitive holder 2810 can carry out the spacing of maximum formation by the boss backstop of structure in shell 2500.Pressure-sensitive part 2820 is rubber ring and variable according to pressure shape, pressure-sensitive part 2820 is located between pressure-sensitive holder 2810, and between pressure-sensitive part 2820 and the mobile post 2620 of Flow-rate adjustment assembly 2600, limit pressure flow adjustment hole 2830, pressure-sensitive part 2820 regulates the cross-sectional area of pressure flow adjustment hole 2830 by the deformation of self, reaches steady flow result.
Flow feedback assembly 2900 includes turbo blade 2910, magnet rotor 2920, Hall element 2930, shaft seat 2940 and rotating shaft 2950, turbo blade 2910 is rotatably provided in shell 2500, magnet rotor 2920 is rotatably provided in shell 2500 and contiguous turbo blade 2910, and Hall element 2930 is arranged on the outer wall of shell 2500.Shaft seat 2940 is arranged in shell 2500 and position is fixed, and rotating shaft 2950 is arranged on shaft seat 2940 and position is fixed, and turbo blade 2910 and magnet rotor 2920 are respectively rotatably arranged in rotating shaft 2950, and shaft seat 2940 is symmetrical prismatic blade structure.Thus, the water flow rotary near driving when turbo blade 2910 rotates, the water jet propulsion magnet rotor 2920 of rotation rotates, and Hall element 2930 is judged discharge by the rotation of induced magnetism rotor 2920 and fed back.
The flow control process of Flow-rate adjustment feedback device 250 according to this utility model embodiment is described below.
When the water temperature of shell 2500 is higher, temperature sensibility 2730 expands and promotes the direction that moving sleeve 2720 is directed away from temperature-sensitive shell 2712 and moves, moving sleeve 2720 drives mobile post 2620 to be relatively fixed seat 2610 and moves, tapered portion 2621 moves towards the direction of removal bellmouth, the cross-sectional area of temperature flow adjustment hole 2630 increases, and then increases discharge.
When the water temperature of shell 2500 is relatively low, temperature sensibility 2730 shrinks, moving sleeve 2720 moves towards temperature-sensitive shell 2712 under the effect of temperature-sensitive elastic component 2750, moving sleeve 2720 drives mobile post 2620 to be relatively fixed seat 2610 and moves, tapered portion 2621 moves towards the direction entering bellmouth, the cross-sectional area of temperature flow adjustment hole 2630 reduces, and then reduces discharge.
When the hydraulic pressure of shell 2500 is higher, two pressure-sensitive holder 2810 sense of compression casting dies 2820 close to each other, pressure-sensitive part 2820 is towards mobile post 2620 deformation, and the cross-sectional area of pressure flow adjustment hole 2830 diminishes, and then reduces discharge.
When the hydraulic pressure of shell 2500 is relatively low, away from each other, pressure-sensitive part 2820 recovers original shape to two pressure-sensitive holders 2810, and the cross-sectional area of pressure flow adjustment hole 2830 becomes big, and then increases discharge.
In the embodiment shown in fig. 3, water heater 1 can be electric heater, and water circuit system 20 can include heat-storing device 260, water feed apparatus 200, discharging device 210 and electric heater unit (not shown), water feed apparatus 200 connects with heat-storing device 260, and water feed apparatus 200 exposes so that external with inlet pipeline from housing 10, discharging device 210 connects with heat-storing device 260, and discharging device 210 exposes from housing 10 so that external with outlet pipeline, so constitute the whole water route of water heater 1.Electric heater unit is for being heated the water in heat-storing device 260, and electric heater unit and controller 50 communication, to control the heating state of the water in heat-storing device 260.
Wherein, current sensing means 30 is located in heat-storing device 260, between water feed apparatus 200 and heat-storing device 260 or between heat-storing device 260 and discharging device 210.That is, current sensing means 30 can be located in heat-storing device 260, or current sensing means 30 can be located between water feed apparatus 200 and heat-storing device 260, and certainly, current sensing means 30 can also be located between heat-storing device 260 and discharging device 210.Safety protective valve 40 is located between water feed apparatus 200 and heat-storing device 260 or between heat-storing device 260 and discharging device 210.In the present embodiment, current sensing means 30 is located in heat-storing device 260, and safety protective valve 40 is located between water feed apparatus 200 and heat-storing device 260,
Under normal circumstances; namely when the current detection value of current sensing means 30 is less than or equal to rated value; safety protective valve 40 be in normally open; water enters water circuit system 20 from water feed apparatus 200; flow through safety protective valve 40 and enter heat-storing device 260; water is heated by motor heat device in heat-storing device 260, is finally flowed out by discharging device 210.When electric current overrate in the water that current sensing means 30 detects in heat-storing device 260; this signal is fed back to controller 50 by current sensing means 30; controller 50 controls safety protective valve 40 and cuts out; so that the current in the whole water circuit system 20 of water heater 1 disconnect, reach the purpose of safeguard protection.
In the embodiment shown in fig. 4, water heater 1 can be instant electric water heater, and water circuit system 20 can include electric heater unit 270, water feed apparatus 200 and discharging device 210, electric heater unit 270 and controller 50 communication, to control the heating state of water in water circuit system 20, water feed apparatus 200 connects with electric heater unit 270, and water feed apparatus 200 exposes so that external with inlet pipeline from housing 10, discharging device 210 connects with electric heater unit 270, and discharging device 210 exposes so that external with outlet pipeline from housing 10.
Wherein, current sensing means 30 and safety protective valve 40 are respectively provided between water feed apparatus 200 and electric heater unit 270 or between electric heater unit 270 and discharging device 210.In other words, current sensing means 30 can be located between water feed apparatus 200 and electric heater unit 270, or can be located between electric heater unit 270 and discharging device 210；Safety protective valve 40 can be located between water feed apparatus 200 and electric heater unit 270, or can be located between electric heater unit 270 and discharging device 210.In the present embodiment; current sensing means 30 and safety protective valve 40 are installed between water feed apparatus 200 and electric heater unit 270; specifically; safety protective valve 40 is arranged between water inlet end 21 and electric heater unit 270, and current sensing means 30 is arranged between safety protective valve 40 and electric heater unit 270.
Under normal circumstances; namely when the current detection value of current sensing means 30 is less than or equal to rated value; safety protective valve 40 be in normally open; water enters water circuit system 20 from water feed apparatus 200; it is electrically heated device 270 after flowing successively through safety protective valve 40, current sensing means 30 to heat, is finally flowed out by discharging device 210.When electric current overrate in the water that current sensing means 30 detects in water circuit system 20; this signal is fed back to controller 50 by current sensing means 30; controller 50 controls safety protective valve 40 and cuts out; so that the current in the whole water circuit system 20 of water heater 1 disconnect, reach the purpose of safeguard protection.
Further, instant electric water heater can also include power distribution equipment 280 and thermal circuit beraker 290, and power distribution equipment 280 is through housing 10, and thermal circuit beraker 290 is located in housing 10.So, power distribution equipment 280 can be instant electric water heater's complete machine distribution, and distribution can be protected by thermal circuit beraker 290, thus ensureing the safety of water heater 1.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principle of the present utility model and objective, scope of the present utility model is limited by claim and equivalent thereof.
Claims (12)
1. a water heater, it is characterised in that including:
Housing；
Water circuit system, described water circuit system has water inlet end and water side, and described water circuit system is located in described housing and described water inlet end and described water side are exposed from described housing；
For detecting the current sensing means of size of current in the water in described water circuit system；
Switchable safety protective valve between open mode and closed mode, described safety protective valve is by the break-make of current in water circuit system described in the switching control of oneself state；
Controller; described controller respectively with described current sensing means and described safety protective valve communication; when the current detection value of described current sensing means is less than or equal to rated value, described controller controls described safety protective valve in opened condition, and when the current detection value of described current sensing means is more than described rated value, described controller controls described safety protective valve is closed mode.
2. water heater according to claim 1, it is characterised in that described safety protective valve and described current sensing means are installed on described water circuit system and are close to the same one end in described water inlet end and described water side and arrange.
3. water heater according to claim 1, it is characterised in that described safety protective valve and described current sensing means are installed on described water circuit system and are respectively adjacent to described water inlet end and described water side is arranged.
4. water heater according to claim 1, it is characterised in that described current sensing means is located in described water circuit system.
5. water heater according to claim 1, it is characterised in that described water circuit system includes the metalwork directly contacted with the water in described water circuit system, and described current sensing means is arranged on the outer wall of described metalwork.
6. water heater according to claim 1, it is characterised in that described controller be set on the housing and with the display & control system of described water circuit system communication, the current detection value of described current sensing means is shown by described display & control system.
7. the water heater according to any one of claim 1-6, it is characterised in that described water heater is gas heater and described water circuit system includes:
Heat-exchanger rig；
Water feed apparatus, described water feed apparatus connects with described heat-exchanger rig and exposes from described housing；
Discharging device, described discharging device connects with described heat-exchanger rig and exposes from described housing；
For the burner that the water in described heat-exchanger rig is heated；
Controller for gas, described controller for gas connects with described burner and exposes from described housing, described controller and described controller for gas communication, wherein,
Described current sensing means and described safety protective valve are located between described water feed apparatus and described heat-exchanger rig.
8. water heater according to claim 7, it is characterised in that described water circuit system also includes:
According to water temperature and hydraulic pressure regulating water flow the Flow-rate adjustment feedback device feeding back discharge, described Flow-rate adjustment feedback device be located between water feed apparatus and described heat-exchanger rig and with described controller communication, described controller controls the gas supply ratio of described combustion control system according to the feedback information of described Flow-rate adjustment feedback device.
9. water heater according to claim 7, it is characterised in that described gas heater also includes:
For discharging the smoke evacuation system of flue gas that described burner produces, described smoke evacuation system is located in described housing and connect with the space outerpace of described housing, described controller and described smoke evacuation system communication.
10. the water heater according to any one of claim 1-6, it is characterised in that described water heater is electric heater and described water circuit system includes:
Heat-storing device；
Water feed apparatus, described water feed apparatus connects with described heat-storing device and exposes from described housing；
Discharging device, described discharging device connects with described heat-storing device and exposes from described housing；
For the electric heater unit that the water in described heat-storing device is heated, described electric heater unit and described controller communication, wherein,
Described current sensing means is located in described heat-storing device, between described water feed apparatus and described heat-storing device or between described heat-storing device and described discharging device, and described safety protective valve is located between described water feed apparatus and described heat-storing device or between described heat-storing device and described discharging device.
11. the water heater according to any one of claim 1-6, it is characterised in that described water heater includes for instant electric water heater and described water circuit system:
Electric heater unit, described electric heater unit and described controller communication；
Water feed apparatus, described water feed apparatus connects with described electric heater unit and exposes from described housing；
Discharging device, described discharging device connects with described electric heater unit and exposes from described housing, wherein,
Described current sensing means and described safety protective valve are respectively provided between described water feed apparatus and described electric heater unit or between described electric heater unit and described discharging device.
12. water heater according to claim 11, it is characterised in that described instant electric water heater also includes:
For the power distribution equipment for described instant electric water heater's complete machine distribution, the described power distribution equipment described housing of traverse；
For the thermal circuit beraker of power distribution protection, described thermal circuit beraker is located in described housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095833.7U CN205351732U (en) | 2015-12-23 | 2015-12-23 | Water heater |
| PCT/CN2016/080503 WO2017107354A1 (en) | 2015-12-23 | 2016-04-28 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095833.7U CN205351732U (en) | 2015-12-23 | 2015-12-23 | Water heater |
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| Publication Number | Publication Date |
|---|---|
| CN205351732U true CN205351732U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521095833.7U Active CN205351732U (en) | 2015-12-23 | 2015-12-23 | Water heater |
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| CN (1) | CN205351732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371475A (en) * | 2015-12-23 | 2016-03-02 | 芜湖美的厨卫电器制造有限公司 | Water heater |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371475A (en) * | 2015-12-23 | 2016-03-02 | 芜湖美的厨卫电器制造有限公司 | Water heater |
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Effective date of registration: 20220907 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Meimei Kitchen and Sanitary Industrial Park, Wanchun East Road, East District, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |