CN103940076A - Minitype water heater - Google Patents
Minitype water heater Download PDFInfo
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- CN103940076A CN103940076A CN201410195714.2A CN201410195714A CN103940076A CN 103940076 A CN103940076 A CN 103940076A CN 201410195714 A CN201410195714 A CN 201410195714A CN 103940076 A CN103940076 A CN 103940076A
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Abstract
The invention relates to a minitype water heater which facilitates daily washing in kitchens, is small in size and convenient to use, and has an automatic safety protection function. The minitype water heater comprises a heating container, an electric heating pipe and a safety protection switch device, wherein the electric heating pipe is inserted in the heating container, the heating container is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is arranged on the lower portion of the heating container, the water outlet pipe is arranged on the upper portion of the heating container, a water inlet valve is arranged on the water inlet pipe, a water outlet valve is arranged on the water outlet pipe, the water outlet valve is provided with a water outlet channel connected between the water inlet end of the water outlet valve and the water outlet end of the water outlet valve, and the safety protection switch device comprises a pressure sensor and/or an overheat protector.
Description
Technical field
The present invention relates to a kind of miniature water-heater.
Background technology
Existing family expenses instant electric water heater, structure is comparatively complicated, takes up room large, and environment for use is restricted, and cost is higher, and effect is not ideal enough.And the common electric heater that preheats is difficult to realize plug and play function.
Summary of the invention
The object of this invention is to provide one and be convenient to that kitchen is daily scrubs or washing room washing, volume is little, easy to use, and has the miniature water-heater of automatic safeguarding function.
Object of the present invention is achieved through the following technical solutions: it comprises heating container, electrothermal tube and safety protection switch device, and described electrothermal tube is plugged in heating container.
Described heating container is also provided with water inlet pipe and outlet pipe, and described water inlet pipe is arranged on the bottom of heating container, and described outlet pipe is arranged on the top of heating container sidewall.
On described water inlet pipe, be also provided with inlet valve, inlet valve adopts switch water valve to add active interface, is convenient to be connected and installed with water supply pipe.On described outlet pipe, be also provided with flowing water Valve, this flowing water Valve is provided with the escape way of the minimum water yield of maintenance being connected between flowing water Valve water inlet end and flowing water Valve water side.
Escape way is another layer of safety and Protection of heating container, ensures that heating container under any circumstance all has the minimum water stream channel in opening.When the flowing water Valve of heating container is in the time closing state, particularly in the situation that safety protection switch device occurs to lose efficacy, electrothermal tube can be in running order for a long time, if there is no escape way, water in heating container can be heated to excessive temperature, and produce heat adverse current, damage the pipeline being connected with water inlet pipe and be located at the equipment on pipeline; If there is boiling in the water in heating container, produce a large amount of water vapours, and cannot discharge in time, will there is the danger of blasting.Escape way is discharged hot water or the steam in heating container in time, avoids meeting accident; Inlet valve can be controlled the break-make at heating container and water source, avoids heating container for a long time in pressured state.
Described safety protection switch device comprises contactor and Control Component; main contact and the electrothermal tube of contactor are connected to form primary circuit; the solenoid of described Control Component and contactor is connected to form secondary circuit, the open and close of the connecting and disconnecting of the circuit control main contact of solenoid.Utilize contactor and Control Component to realize automatic operation and the security protection of miniature water-heater.
Described Control Component comprises pressure inductor, this pressure inductor is arranged on heating container, it comprises the first insulated column, upper sheet metal, lower sheet metal and pressure touch part, described the first insulated column is vertically fixed on outside the housing of heating container, described upper sheet metal, the vertical interval of lower sheet metal are laid on the first insulated column, and the below that described pressure touch part is arranged on lower sheet metal is to realize the contact of sheet metal and upper sheet metal under the hydraulic pressure control utilizing in heating container or to separate; Described upper sheet metal, lower sheet metal are two links of secondary circuit at pressure inductor.
Under Water Pressure, the lower sheet metal of pressure inductor contacts with upper sheet metal and is communicated with secondary circuit, the work of solenoid attracts the main contact closure of contactor, primary circuit is connected, realize switch inlet valve and can control the heating of electrothermal tube and the function stopping, prevent anhydrous heating in heating container simultaneously, avoid occurring anhydrous heating phenomena.Pressure inductor is taking the own hydraulic pressure of running water as power.When water intaking valve is opened, in the heating container of water heater, have hydraulic pressure, thereby the pressure touch part of pressure inductor pushes on lower sheet metal and moves with upper sheet metal and contact; Otherwise pressure inductor can not move.
Described Control Component comprises temperature controller; Described temperature controller comprises arcuate bombing leaf, static contact, bimetal leaf and the second insulated column; Described the second insulated column is vertically arranged on outside the housing of heating container, described arcuate bombing leaf and static contact are vertically disposed on the second insulated column from top to bottom, described bimetal leaf be arranged on the second insulated column and be positioned at arcuate bombing leaf and static contact under, this bimetal leaf is close on the housing of described heating container; Described bimetal leaf is provided with the push rod popping up for promoting arcuate bombing leaf on the one end away from the second insulated column; Described arcuate bombing leaf and static contact are two links of secondary circuit on temperature controller.
Temperature controller can prevent that the water temperature in heating container is overheated, and its built-in bimetal leaf is close on the outer surface of heating container, it is heated quicker.Bimetal leaf is to be formed by two kinds of very large metal-clads of expanded by heating difference of coefficients, temperature is higher, bimetal leaf flexural deformation is larger, then upwards promote arcuate bombing leaf and upwards beat by being arranged on the push rod of bimetal leaf termination, arcuate bombing leaf and static contact are separated, thereby disconnect secondary circuit, solenoid quits work, the main contact of contactor flicks, and primary circuit disconnects, and electrothermal tube stops the water heating in heating container.
The top of described heating container is the cover plate removably connecting with this heating container, and described Control Component is arranged on this cover plate, and the top of described heating container is also provided with detachable end, and this end cap is fixed on described cover plate for sealing on heating container.
In use, the water intaking valve of miniature water-heater is opened, cold water flows into and is full of heating container, the water body and the water temperature that in heating container, form certain hydraulic pressure are lower, and then upper sheet metal on shake-up pressure inductor is connected with lower sheet metal, be connected to secondary circuit on pressure inductor in channel status, the solenoid on contactor forms path and produces electromagnetism and also attract the main contact closure on this contactor, is in series the electrothermal tube that is connected in the heated condition of switching on main contact; Along with the heating of electrothermal tube, water temperature in heating container slowly raises, in the time that the water temperature in heating container reaches setting value, touch the bimetal leaf temperature distortion on temperature controller and be bent upwards, and then promote arcuate bombing leaf and separate with static contact, being connected to temperature controller on secondary circuit and forming and open circuit, the solenoid on contactor quits work, main contact on contactor flicks, and electrothermal tube stops heating.
Compared to prior art, the invention has the advantages that: water heaters design is simple, volume is little, and close structure is sturdy and durable, and installation, easy to use, opens and have hot water, economizes on electricity, economizes on water and be safe and reliable.In water heater, be provided with multiple tracks safety guard, pressure inductor can be realized by the heating of switch inlet valve control electrothermal tube and stop, and prevents the energising heating when anhydrous in the heating container of water heater, easy to use, safe; Temperature controller prevents the too high of water temperature; simultaneously; escape way on outlet valve is in the situation that safety protection switch device occurs to lose efficacy; can prevent that electrothermal tube is in running order for a long time; cause the water in heating container to be heated to excessive temperature; and then produce heat adverse current, and damage the pipeline being connected with water inlet pipe and be located at the equipment on pipeline, also can prevent that heating container from going out the danger of explosion simultaneously.
Brief description of the drawings
Fig. 1 is the front view of the first embodiment miniature water-heater of the present invention.
Fig. 2 is the top view of miniature water-heater cover plate in the first embodiment of the present invention.
Fig. 3 is the front view of pressure inductor in the first embodiment of the present invention.
Fig. 4 is the cutaway view of temperature controller in the first embodiment of the present invention.
Fig. 5 is the partial enlarged drawing of A part in Fig. 1.
Fig. 6 is the cutaway view of bolt on boiling water passage in the first embodiment of the present invention.
Fig. 7 is the circuit connection diagram of miniature water-heater in the first embodiment of the present invention.
Fig. 8 is the structure chart of miniature water-heater in the second embodiment of the present invention.
Fig. 9 is the circuit connection diagram of the second embodiment of the present invention shown in Fig. 8.
Figure 10 is the circuit connection diagram of the third embodiment of the present invention.
Figure 11 is the structural representation of the third embodiment of the present invention.
Figure 12 is the cutaway view of bidirectional flow water valve in Figure 11.
Label declaration: 1, heating container; 2, electrothermal tube; 3, water inlet pipe; 4, outlet pipe; 5, flowing water Valve; 5-1, escape way; 5-2, bolt; 5-3, tank; 6, cover plate; 7, pressure inductor; 7-1, the first insulated column; 7-2, upper sheet metal; 7-3, lower sheet metal; 7-4, nose bar; 7-5, valve jacket; 7-6, flexure strip; 7-7, pressure through hole; 7-8, the first location-plate; 7-9, the first regulating part; 7-10, the first movable contact; 7-11, the first stationary contact; 8, temperature controller; 8-1, arcuate bombing leaf; 8-2, static contact; 8-3, bimetal leaf; 8-4, the second insulated column; 8-5, push rod; 8-7, the second location-plate; 8-8, the second regulating part; 8-9, contact; 9, end cap; 10, sealing ring; 11, muff; 12, glass safety cover; 13, inlet valve; 14, auxiliary electrical heat pipe; 15, water outlet slow flow tube; 16, bidirectional flow water valve, 16-1, valve body, 16-2, spool, 16-3, water inlet, 16-4, delivery port, 17, aluminium strip, 18, self-tapping screw, 19, main casing.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 7, the concrete structure of the first embodiment miniature water-heater of the present invention is elaborated:
Be the structural representation of the first embodiment miniature water-heater provided by the invention as illustrated in fig. 1 and 2, it comprises heating container 1, electrothermal tube 2 and safety protection switch device, and described electrothermal tube 2 is plugged in heating container 1.
On heating container 1, be also provided with water inlet pipe 3 and outlet pipe 4, water inlet pipe 3 is arranged on the bottom of heating container 1, and water inlet pipe 3 is provided with inlet valve 12, and outlet pipe 4 is arranged on the top of heating container 1.Inlet valve 12 is connected with the running water pipe supplying water, and inlet valve 12 had both been controlled the water inlet of heating container 1, again as the work that uses switch control electrothermal tube 2.
In Fig. 1, outlet pipe 4 is arranged on the sidewall of heating container 1, and these outlet pipe 4 water inlet ends stretch in heating container 1 and are bent upwards the top, inner side to heating container 1.According to hot water floating principle, the water temperature of relative this other position of inner chamber of inner cavity top water temperature of heating container 1 is higher, therefore the water inlet end on hot water outlet is bent upwards to the top of heating container 1 inner chamber, can facilitates the hot water very first time of the inner cavity top of heating container 1 to flow out smoothly; Meanwhile, be convenient to air or the steam of the inner cavity top of discharging heating container 1, prevent that electrothermal tube 2 parts that are positioned at this inner cavity top from occurring in the phenomenon of sky burning, avoid unexpected, extend the service life of electrothermal tube 2.
At Fig. 1, the top of heating container 1 is the cover plate 6 removably connecting with this heating container 1, and electrothermal tube 2, pressure inductor 7 and temperature controller 8 are all arranged on this cover plate 6; The top of heating container 1 is also provided with an end cap 9, and these end cap 9 inner sides are provided with the fixing internal thread that matches with heating container 1 top, and end cap 9 also plays cover plate 6 is sealingly fastened on heating container 1 simultaneously; End cap 9 is also provided with the junction of heating container 1 sealing ring 10 that cover plate 6 is sealed in to heating container 1 top, the upside of end cap 9 is separately provided with a glass safety cover 12, play the effect that waterproof, protection against electric shock and protection are arranged at the relevant apparatus on cover plate 6, also can be used as patchboard simultaneously and use.The housing of heating container 1 can adopt corrosion resistant plate to make, the housing of heating container 1 outward also can a sheathed muff 11, the cylindrical shell that muff 11 is made for plastic material, can effectively reduce scattering and disappearing of heat in miniature water-heater use procedure, also prevents the scald user of heating container 1.
As shown in Fig. 1,5 and 6, on outlet pipe 4, be also provided with flowing water Valve 5, this flowing water Valve 5 is provided with the escape way 5-1 of the minimum water yield of maintenance being connected between flowing water Valve 5 water inlet ends and flowing water Valve 5 water sides.Meanwhile, be also provided with the water yield regulating part that regulates escape way 5-1 water yield size on escape way 5-1, this water yield regulating part is preferably bolt 5-2, and the material of bolt 5-2 adopts stainless steel or copper, prevents from that bolt 5-2 from getting rusty to stop up escape way 5-1.Bolt 5-2 is provided with the tank 5-3 deepening gradually to the spiral shell tail direction degree of depth along spiral shell head.
Escape way 5-1 is another layer of safety and Protection of heating container 1, ensures that heating container 1 under any circumstance all has the minimum safe passage 5-1 in opening.When the outlet valve of heating container 1 is in the time fastening state, and in the time that the temperature controller of heating container 1 meets accident inefficacy, if being not intended to open again, inlet valve 12 forgets in the situation of closing as child or adult, electrothermal tube 2 can be constantly in work heating, interior the produced hot water of heating container 1 can constantly flow out from escape way 5-1, thereby effectively prevent that water ultra-temperature from scalding people, or hot water flows backwards and scorch water pipe, water meter, even burn out the problem such as water heater and occur.Escape way 5-1 discharges hot water or the steam in heating container 1 in time, can avoid above-mentioned unexpected generation.
The bolt 5-2 of a tank 5-3 who deepens gradually with the degree of depth is set on escape way 5-1, can be for regulating the water amount of escape way 5-1; Simultaneously bolt 5-2 also has to regulate and controls effect of the highest water temperature, and, under same electrothermal tube power, the water amount size in water temperature and heating container 1 is inversely proportional to.With this, carry out the minimum discharge of adjusting bolt 5-2 position with regulation and control escape way 5-1 according to tap water hydraulic and leaving water temperature demand, make the maximum temperature in heating container 1 not too high, ensure to use safety (generally set leaving water temperature be no more than 60 DEG C be advisable).The gradient of the relative bolt 5-2 of tank 5-3 axis is generally 30 degree.
The delivery port of flowing water Valve 5 is also connected to a water outlet slow flow tube 15, and the afterbody of this water outlet slow flow tube 15 is bending.Be to be ejected by the promotion of the hydraulic pressure pressure in heating container 1 from flowing water Valve 5 exits hot water out, flow velocity is too fast, looks that waterline is meticulous, can feel that the water yield is too small when use; If the bolt 5-2 on the escape way 5-1 in flowing water Valve 5 is opened greatly, water temperature is too low again.Added after a water outlet slow flow tube 15, will be directed to gravity flow by injection from the water outlet of flowing water Valve 5, reduced the speed of water outlet, so can increase the diameter of water outlet waterline, hot water uses convenient.For example, the water yield of supposing escape way 5-1 is M, and the cross-sectional area of waterline is N, and in the situation that M does not change, known according to the flow velocity V=M/N of water, flow velocity V and N are inversely proportional to, that is, in the time that V numerical value diminishes, it is large that N numerical value must become.The cross section of waterline that is to say gravity flow is larger than the cross section of the waterline of injection water, and while so using, user can feel that the water yield more strengthens, thereby reaches energy-saving and water-saving and object easy to use.The setting of water outlet slow flow tube 15, can facilitate the use in kitchen, be used for scalding need to higher water temperature material, as fresh meat etc.
As Fig. 2 and 3, described Control Component is pressure inductor 7, it is arranged on heating container 1, it comprises the first insulated column 7-1, upper sheet metal 7-2, lower sheet metal 7-3 and pressure touch part, described the first insulated column 7-1 is vertically fixed on outside the housing of heating container 1, it is upper that described upper sheet metal 7-2, the vertical interval of lower sheet metal 7-3 are laid in the first insulated column 7-1, and the below that described pressure touch part is arranged on lower sheet metal 7-3 is to realize the contact of sheet metal 7-2 and lower sheet metal 7-3 on the hydraulic pressure control utilizing in heating container 1 or to separate; Described upper sheet metal 7-2, lower sheet metal 7-3 are the link of secondary circuit at pressure inductor 7.
Under the effect of heating container 1 interior hydraulic pressure, pressure touch part upwards promotes that lower sheet metal 7-3 moves up and contacts with upper sheet metal 7-2, the secondary circuit that solenoid on upper sheet metal 7-2, lower sheet metal 7-3 and contactor connects into forms path, solenoid produces electromagnetism and attracts the main contact closure of contactor, makes to be connected to electrothermal tube 2 heating powers on primary circuit; In the time that inlet valve 13 is closed, in heating container 1, matching with pressure touch part, it is little without hydraulic pressure or pressure to locate, pressure touch part and lower sheet metal 7-3 restPose, going up sheet metal 7-2 separates with lower sheet metal 7-3, the secondary circuit that solenoid on upper sheet metal 7-2, lower sheet metal 7-3 and contactor connects into forms and opens circuit, solenoid quits work, and the main contact on contactor disconnects, and electrothermal tube 2 power-off that make to be connected on primary circuit quit work.
The lower surface of sheet metal 7-2 and the contact position of lower sheet metal 7-3 also can be provided with the first stationary contact 7-11 on above-mentioned, and in the upper surface of lower sheet metal 7-3 and positive correspondence, the position of the stationary contact of sheet metal 7-2 is provided with the first movable contact 7-10 simultaneously; Increasing the first stationary contact 7-11 and the first movable contact 7-10 makes to contact between sheet metal 7-2 and lower sheet metal 7-3 better.
On described the first insulated column 7-1, be also provided with the first location-plate 7-8, sheet metal 7-2 top is located at this first location-plate 7-8 interval, and the first location-plate 7-8 is provided with the first regulating part 7-9 that regulates the upper sheet metal 7-2 in location.
The first regulating part 7-9 on the first location-plate 7-8 generally selects stove bolt, stove bolt rotates to regulate upper sheet metal 7-2 on pressure inductor 7 and the size of two spacing of lower sheet metal 7-3 up and down, and then reach the object of adjusting the first movable contact 7-10 that nose bar 7-4 promotes lower sheet metal 7-3 and contact with the first stationary contact 7-11 touching of upper sheet metal 7-2 required pressure, thereby the adjusting of the pressure sensitive sensitivity of realization to pressure inductor 7.
Stove bolt facilitates pressure inductor 7 to adjust and use according to the hydraulic pressure size of running water pipe, namely in the place of low hydraulic pressure, upper sheet metal 7-2 is regulated downwards, the space length of itself and lower sheet metal 7-3 is turned down, and then sheet metal 7-3 is while touching mutually with sheet metal 7-2 under promoting, the required variable quantity of pressure touch part reduces.Generally there are 5 meters of high water levels can make pressure inductor 7 realize ON Action.
Described pressure touch part comprises nose bar 7-4, valve jacket 7-5 and flexure strip 7-6, the bottom of described valve jacket 7-5 is sealingly fastened in flexure strip 7-6 on the housing of heating container 1, described nose bar 7-4 is used for promoting lower sheet metal 7-3 and moves towards upper sheet metal 7-2, it is located at the inside of valve jacket 7-5 and is positioned on flexure strip 7-6, the top of this nose bar 7-4 is stretched out valve jacket 7-5 and is leaned the lower surface of lower sheet metal 7-3, and on the housing of described heating container 1, offering contacts with flexure strip 7-6 and be positioned at nose bar 7-4 lower position offers pressure through hole 7-7.Described flexure strip 7-6 adopts the material of high temperature resistant and good airproof performance, is preferably tincture sill.
Flexure strip 7-6 is withheld on pressure through hole 7-7 by valve jacket 7-5, plays water isolating seal, and under the effect of water pressure, flexure strip 7-6 can form bubble shape and raise up, and then makes the upwards jack-up of nose bar 7-4 in valve jacket 7-5.In the time that inlet valve 13 is closed, without Water Pressure, flexure strip 7-6 retracts, and lower sheet metal 7-3 separates with upper sheet metal 7-2, and electrothermal tube power-off stops heating.
As Fig. 2 and 4, described Control Component comprises temperature controller 8; This temperature controller 8 comprises arcuate bombing leaf 8-1, static contact 8-2, bimetal leaf 8-3 and the second insulated column 8-4; The second insulated column 8-4 is vertically arranged on outside the housing of heating container 1, described arcuate bombing leaf 8-1 and static contact 8-2 are vertically disposed on the second insulated column 8-4, bimetal leaf 8-3 be arranged on the second insulated column 8-1 upper and be positioned at arcuate bombing leaf 8-1 and static contact 8-2 under, and this bimetal leaf 8-3 is also close on the housing of described heating container 1; Bimetal leaf 8-3 upper away from one end of the second insulated column 8-4 be provided with for promote that arcuate bombing leaf 8-1 pops up push rod 8-5; Described arcuate bombing leaf 8-1 and static contact 8-2 are two links of secondary circuit on temperature controller 8.
Bimetal leaf 8-3 is formed by two kinds of very large metal-clads of expanded by heating difference of coefficients, temperature is higher, bimetal leaf flexural deformation is larger, then upwards promotes arcuate bombing leaf 8-1 and exceedes the beating critical point of this spring leaf and upwards beat by being arranged on the push rod 8-5 of bimetal leaf 8-3 termination.
On described the second insulated column 8-4, be also provided with the second location-plate 8-7 for secured adjusted arcuate bombing leaf 8-1 position, this second location-plate 8-7 is located at interval at arcuate bombing leaf 8-1 top, and the second location-plate 8-7 is provided with the second regulating part 8-8 that regulates location arcuate bombing leaf 8-1.
Arcuate bombing leaf 8-1 has a tension force critical point, and in this critical point, the movable end of arcuate bombing leaf 8-1 can carry out bob.The second location-plate 8-7 is by the upper-lower position point that moves up and down to regulate arcuate bombing leaf 8-7 of the second regulating part 8-8 of disposed thereon, and then change the size of the tension force critical point of this arcuate bombing leaf, thereby the tension force that the contact separation critical point that changes arcuate bombing leaf 8-1 and static contact 8-2 is required, to reach the object of setting the restriction highest temperature.
Temperature controller 8 can prevent that water temperature is overheated; User can, according to own required water temperature, regulate the position of arcuate bombing leaf 8-1 to realize the zero point that arcuate bombing leaf 8-1 separates with static contact 8-2 by the second regulating part 8-8 on temperature controller 8.Such as when the winter, required water temperature is higher, the second regulating part on the second location-plate 8-7 is moved to rise, on the rotating plate position of arcuate bombing leaf 8-1, move, now bimetal leaf 8-3 need to produce larger deflection namely higher water temperature carry out hot conduction, could touch arcuate bombing leaf 8-1 and separate with static contact 8-2.Same, arcuate bombing leaf 8-1 and static contact 8-2 also can arrange contact 8-9 so that contact better between arcuate bombing leaf 8-1 and static contact 8-2.
In the miniature water-heater course of work, at the beginning, water temperature in heating container 1 is lower, arcuate bombing leaf 8-1 on temperature controller 8 with static contact 8-2 in contacting connected state, be connected in series the secondary circuit forming in channel status with arcuate bombing leaf 8-1 and static contact 8-2, solenoid work on contactor also makes the main contact on this contactor connect, and is in series the electrothermal tube 2 that is connected in the heated condition of switching on main contact; Along with the heating of electrothermal tube 2, water temperature in heating container 1 slowly raises, bimetal leaf 8-3 is heated and is bent upwards distortion from the housing of heating container 1 simultaneously, water temperature in heating container 1 reaches setting value, bimetal leaf 8-3 reaches enough temperatures, produce enough deflections, and pop up by the movable end that push rod 8-5 promotes arcuate bombing leaf 8-1 indirectly, arcuate bombing leaf 8-1 and static contact 8-2 are separated, secondary circuit disconnects, solenoid on contactor quits work, and the main contact on contactor disconnects, and electrothermal tube 2 stops heating.
Same, above-mentioned pressure inductor 7 also can use with temperature controller 8 simultaneously together with contactor series connection, plays the effect of protection simultaneously.
The circuit connection diagram of a kind of miniature water-heater of the present invention as shown in Figure 7, safety protection switch device comprises contactor and Control Component, utilizes contactor and Control Component to realize automatic operation and the security protection of miniature water-heater.In Fig. 7, main contact one end of contactor is connected with the live wire L of earth leakage circuit-breaker, and the other end is connected with electrothermal tube 2 and relay indicating light assembly respectively, and electrothermal tube 2 and relay indicating light are connected to form primary circuit with the zero line N of earth leakage circuit-breaker respectively again.Control Component is that solenoid and the earth leakage circuit-breaker of pressure inductor and temperature controller and contactor is interconnected to form secondary circuit; the break-make of solenoid makes the open and close of its Electromagnetic Control main contact producing, and then control connection has the break-make of the primary circuit circuit of electrothermal tube 2.
The difference of the miniature water-heater of the second embodiment of the present invention and the first embodiment is only to have added an auxiliary electrical heat pipe 14 on cover plate 6, all the other structures are identical with the miniature water-heater of the first embodiment, therefore, from concisely, mainly narrate its part different from the first embodiment miniature water-heater at this.
Fig. 8 has provided the structure chart of miniature water-heater in the second embodiment of the present invention, and in the drawings, electrothermal tube 2 and auxiliary electrical heat pipe 14 are set up in parallel on cover plate 6.
Fig. 9 has illustrated the circuit connection diagram of another embodiment of another kind of miniature water-heater of the present invention, this embodiment is connected difference and is only with the circuit of the embodiment of the first shown in Fig. 7: be connected in parallel to an auxiliary electrical heat pipe 14 in 2 two terminations of electrothermal tube, auxiliary electrical heat pipe 14 is in series with a manual combination switch simultaneously.Two electrothermal tubes are used in conjunction with, configure a manual combination switch regulates simultaneously, there are two to use power to select using when this water heater like this, such as when the winter, use the situation of hot water more, the power of depending merely on so an electrothermal tube may be not, use hot water to need to wait for, now by manual combination switch closure, two electrothermal tubes are worked simultaneously, heating power is just higher, and the hot water speed of generation is faster.Otherwise, in the time of summer, use the situation of hot water less, only need open combination switch so here, so just only have an electrothermal tube in work, power is relatively little, is relatively applicable to using summer.
Water heater of the present invention is in the time opening for the first time, and only need had hot water in 15 seconds, and in the time of secondary opening, can utilize the remaining hot water after enabling last time to use for second trial, very easy to use.In order to play the effect of water saving, also specially select the electrothermal tube of lower-wattage simultaneously, like this in order to ensure the hot water of sufficiently high temperature, use and all will conscious water flow be turned down.
As Figure 11; the third embodiment of the present invention: a kind of miniature water-heater, it comprises that earth leakage circuit-breaker, contactor, three are with the air switch of point indicating lamp component, heating container 1, three electrothermal tubes 2, master pilot lamp assembly, temperature controller 8, pressure inductor 7, with the water inlet pipe 3 of inlet valve 12, with outlet pipe 4 and the bidirectional flow water valve 16 of flowing water Valve 5.Wherein earth leakage circuit-breaker, contactor, three can be with reference to Figure 10 with the circuit connecting relation of the air switch of point indicating lamp component, heating container 1, three electrothermal tubes 2, master pilot lamp assembly, temperature controller 8 and pressure inductors 7.
Earth leakage circuit-breaker prevents that low-grade fever hydrophone overload or electric leakage from causing danger.
The solenoid of contactor is connected with temperature controller 8, pressure inductor 7 by the water temperature in heating container 1 and the open and close of hydraulic pressure control main contact, to realize the object of the work of controlling the electrothermal tube in primary circuit.
A corresponding electrothermal tube 2, an open and-shut mode for point indicating lamp component (comprising resistance and point indicator lamp of series connection successively) the instruction air switch on air switch controlled of air switch.Use needs according to seasonal variations and individual, by the switching of controlling three air switches, three electrothermal tubes 2 are carried out to choice for use, conversion is convenient simple again.If three electrothermal tubes are respectively 1 kilowatt, 2 kilowatts and 3 kilowatts, can be combined into 1 kilowatt, 2 kilowatts, 3 kilowatts, 4 kilowatts, 5 kilowatts and 6 kilowatts of these six grades of heating powers by opening and closing corresponding air switch.
Described heating container 1 comprise be tubular main casing 19, hide in the cover plate 6 of main casing 19 top open parts and by sealing ring 10 cover plate 6 and main casing 19 sealed to fixing end cap 9.Electrothermal tube 2 is located in the chamber of heating container 1 and top is fixedly connected with cover plate 6, and the binding post of electrothermal tube 2 is located on cover plate 6.
Temperature controller 8 and pressure inductor 7 are located on cover plate 6.Temperature controller 8 can be the button-shaped temperature controller of constant temperature.
Described heating container 1 also comprises with end cap 9 and seals fixing lucite safety guard 12.Lucite safety guard 12 protects the binding post of electrothermal tube 2, temperature controller 8 and pressure inductor 7 shades in cover.
Described master pilot lamp assembly is located at and in lucite safety guard 12, is used to refer to primary circuit connecting and disconnecting of the circuit.
Be located at the bottom of main casing 19 with the water inlet pipe 3 being connected in heating container 1 chamber.Be located at the top of main casing 19 with the outlet pipe 4 being connected in heating container 1 chamber.Outlet pipe 4 parts outside main casing 19 bend downwards, make flowing water Valve 5 can be arranged on the operation of lower position Convenient switch, again can be heating container 1 in higher position, and facilitate people current movable.
Described bidirectional flow water valve 16 is connected with at least one delivery port all the time with two delivery ports and water inlet, therefore bidirectional flow water valve 16 is all the time in opening, and the water flowing out from the escape way of flowing water Valve 5 can be sent (referring to Figure 12) via bidirectional flow water valve 16 all the time.The water inlet of bidirectional flow water valve 16 is connected with the delivery port of flowing water Valve 5.A delivery port of bidirectional flow water valve 16 can be connected with the shower head with corrugated stainless steel tubing, shower head is rotatable and capable of adjusting water exit angle by corrugated stainless steel tubing, the perforate of the apopore of shower head should be slightly large, makes current more concentrated, uses so more comfortable.Another delivery port of bidirectional flow water valve 16 can be connected with flexible pipe etc., for scalding or water being directed into washbowl.By regulating the handle switching water discharging mouth of bidirectional flow water valve 16.
Heating container 1 can be fixed on body of wall by cingulum, and cingulum can be aluminium strip 17 and fix by self-tapping screw 18 and body of wall.
Heating container 1 conductive part such as grade can carry out grounding, and reason is charged causes danger because of electric leakage etc. to prevent conductive part.
Claims (10)
1. a miniature water-heater, is characterized in that: it comprises heating container (1), electrothermal tube (2) and safety protection switch device, and described electrothermal tube (2) is plugged in heating container (1).
2. miniature water-heater according to claim 1, it is characterized in that: described heating container (1) is also provided with water inlet pipe (3) and outlet pipe (4), described water inlet pipe (3) is arranged on the bottom of heating container (1), and described outlet pipe (4) is arranged on the top of heating container (1) sidewall.
3. miniature water-heater according to claim 2, it is characterized in that: on described outlet pipe (4), be also provided with flowing water Valve (5), this flowing water Valve (5) is provided with the escape way (5-1) of the minimum water yield of maintenance being connected between flowing water Valve (5) water inlet end and flowing water Valve (5) water side.
4. miniature water-heater according to claim 1; it is characterized in that: described safety protection switch device comprises contactor and Control Component; the main contact of contactor and electrothermal tube (2) are connected to form primary circuit; the solenoid of described Control Component and contactor is connected to form secondary circuit, the open and close of the connecting and disconnecting of the circuit control main contact of solenoid.
5. miniature water-heater according to claim 4, it is characterized in that: described Control Component comprises pressure inductor (7), it is arranged on heating container (1), it comprises the first insulated column (7-1), upper sheet metal (7-2), lower sheet metal (7-3) and pressure touch part, described the first insulated column (7-1) is vertically fixed on outside the housing of heating container (1), described upper sheet metal (7-2), the vertical interval of lower sheet metal (7-3) is laid on the first insulated column (7-1), the below that described pressure touch part is positioned at lower sheet metal (7-3) is to realize the contact of sheet metal (7-2) and lower sheet metal (7-3) on the hydraulic pressure control that utilizes heating container (1) or to separate, described upper sheet metal (7-2), lower sheet metal (7-3) are two links of secondary circuit at pressure inductor (7).
6. miniature water-heater according to claim 5, it is characterized in that: described pressure touch part comprises nose bar (7-4), valve jacket (7-5) and flexure strip (7-6), the bottom of described valve jacket (7-5) is sealingly fastened in flexure strip (7-6) on the housing of heating container (1), described nose bar (7-4) is located at the inside of valve jacket (7-5) and is positioned on flexure strip (7-6), the top of this nose bar (7-4) is stretched out valve jacket (7-5) and is leaned the lower surface at lower sheet metal (7-3), on the housing of described heating container (1), offer the pressure through hole (7-7) that contacts with flexure strip (7-6) and be positioned at nose bar (7-4) below.
7. miniature water-heater according to claim 5, it is characterized in that: on described the first insulated column (7-1), be also provided with the first location-plate (7-8), sheet metal (7-2) top is located at this first location-plate (7-8) interval, and the first location-plate (7-8) is provided with the first regulating part (7-9) that regulates the upper sheet metal (7-2) in location.
8. miniature water-heater according to claim 4, is characterized in that: described Control Component comprises temperature controller (8); Described temperature controller (8) comprises arcuate bombing leaf (8-1), static contact (8-2), bimetal leaf (8-3) and the second insulated column (8-4); Described the second insulated column is vertically arranged on outside the housing of heating container (1), described arcuate bombing leaf (8-1) and static contact (8-2) are vertically disposed on the second insulated column (8-4) from top to bottom, described bimetal leaf (8-3) be arranged on the second insulated column (8-1) upper and be positioned at arcuate bombing leaf (8-1) and static contact (8-2) under, this bimetal leaf (8-3) is close on the housing of described heating container (1); On described bimetal leaf (8-3) one end away from the second insulated column (8-4), be provided with for promote that arcuate bombing leaf (8-1) pops up push rod (8-5); Described arcuate bombing leaf (8-1) and static contact (8-2) are two links of secondary circuit on temperature controller (8).
9. miniature water-heater according to claim 8, it is characterized in that: on described the second insulated column (8-4), be also provided with the second location-plate (8-7), this second location-plate (8-7) is located at interval at arcuate bombing leaf (8-1) top, and the second location-plate (8-7) is provided with the second regulating part (8-8) that regulates location arcuate bombing leaf (8-1) bob critical point.
10. miniature water-heater according to claim 4, it is characterized in that: the top of described heating container (1) is the dividing plate (6) removably connecting with this heating container (1), described Control Component is arranged on this dividing plate (6), the top of described heating container (1) is also provided with an end cap (9), and this end cap (9) is sealingly fastened in described dividing plate (6) on heating container (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195714.2A CN103940076B (en) | 2014-05-09 | 2014-05-09 | Miniature water-heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195714.2A CN103940076B (en) | 2014-05-09 | 2014-05-09 | Miniature water-heater |
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| Publication Number | Publication Date |
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| CN103940076A true CN103940076A (en) | 2014-07-23 |
| CN103940076B CN103940076B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410195714.2A Active CN103940076B (en) | 2014-05-09 | 2014-05-09 | Miniature water-heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534177A (en) * | 2016-01-08 | 2016-05-04 | 广东建设职业技术学院 | Intelligent wardrobe |
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| CN105534177B (en) * | 2016-01-08 | 2021-06-25 | 广东建设职业技术学院 | Intelligent wardrobe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103940076B (en) | 2016-09-14 |
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