CN103196233A - Electric water heater heating control device - Google Patents

Electric water heater heating control device Download PDF

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Publication number
CN103196233A
CN103196233A CN2013101267797A CN201310126779A CN103196233A CN 103196233 A CN103196233 A CN 103196233A CN 2013101267797 A CN2013101267797 A CN 2013101267797A CN 201310126779 A CN201310126779 A CN 201310126779A CN 103196233 A CN103196233 A CN 103196233A
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China
Prior art keywords
microswitch
inner bag
touching
heating control
water
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CN2013101267797A
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Chinese (zh)
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CN103196233B (en
Inventor
蒋浩
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Tongxiang Zhimeng Intellectual Property Operation Co ltd
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Individual
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Abstract

The invention relates to an electric water heater heating control device comprising a heating tube. The electric water heater comprises a liner and the heating tube is arranged in the liner. The heating control device is characterized in that the heating control device further comprises a microswitch, a linkage part and a touching part; the microswitch is used for controlling on and off of the operating power source of the heating tube, the linkage part is driven by the height of water level to operate, and the touching part is used for touching a button of the microswitch and moves relative to the microswitch. The heating control device is provided with the linkage part moving with the height of the water level by utilizing proportional relation between inner pressure in the liner and the height of the water level; the microswitch contacts with the touching part when the linkage part moves up and down, so that an inner circuit of the microswitch can be switched on and off, the operation of the heating tube can be controlled by controlling the water level, the heating tube can be stopped operating when the pressure in the liner is too high or too low, and safety of the water heater is improved.

Description

The electric heater heating control apparatus
Technical field
The present invention relates to a kind of electric heater technical field, particularly a kind of main and the matching used electric heater heating control apparatus of storage-type electric water heater with flexible inner-tube structure.
Background technology
Existing water heater generally comprises heating container (inner bag), heating tube, temperature controller and relief valve, heating container is rigid container (canister), heating tube and temperature controller stretch into water heating and the thermometric that is respectively in the heating container in the container, relief valve and heating container internal communication, relief valve can be the heating container pressure release.
Be example with the storage-type electric water heater, the water inlet of heating container directly is communicated with running water pipe, running water is toward the interior water filling of heating container, when equating with tap water hydraulic, the heating container internal pressure stops water filling (this moment heating container in water level be at the highest notch or be close to peak), when the water heater heating work, water in the inner bag is heated and expands, the heating container internal pressure raises and heating container is expanded simultaneously, discharge with hot water or discharge by relief valve until pressure, heating container recovers deformation.Architectural feature in view of above-mentioned water heater, make it have following deficiency: (1) is in heating process, the volumetric expansion because water is heated, the heating container water level can surpass the design standard position of establishing 20 ° of C of room temperature originally, when reaching the product design holding temperature, water temperature (surpasses 38 ° more than the C, then water volume can surpass original 20 ° of C ambient temperature position, when water temperature needs higher temperature namely to reach 100 ° of C, part water becomes steam because of high temperature shift, this can make the long-pending rapid expanding of broad object in the heater inside, do not having under the reliable and secure control, then will cause the water heater liner internal pressure to surpass rated pressure, thereby the explosion accident of water heater heating container takes place, bring heavy losses hidden danger to manufacturer and consumer's personal safety; How much hot water when (2) water heater uses and just advance how much cold water, hot water just can come out by cold water pressure, water temperature often occurs and has little time to rise to when temperature required, has had a large amount of cold water to add in the heating container, thus the user when taking a shower water temperature stable inadequately.In sum, existing storage-type electric water heater is not set a reasonably water inlet water level value, when tap water pressure hour, the water level of heating container is then low; When tap water pressure was big, the water level of heating container was full, and the water in the heating container will cause the heating container swell increment to increase after being heated, even exceeded load, had higher security risk; When (3) the heating container internal pressure exceeds setting value, must rely on relief valve discharges pressure, but, existing relief valve is general to be existed because of defectives such as foreign material obstruction or the stuck akinesias of inner body, so, present water heater relies on the relief valve exhaust, will have higher risk of explosion; (4) whether heating tube work be to rely on temperature controller (general setting is when being lower than 5 ℃ of design temperatures in the current water heater industry to heating control circuit with the water temperature feedback information fully, heating tube heats automatically), because temperature controller is arranged in the temperature probing tube, temperature probing tube stretches in the water, so incrustation scale is gathered on the temperature probing tube surface easily, cause thermometric inaccurate (except above-mentioned reason, also might be that temperature controller damages), cause water temperature to be higher than the highest standard of setting, heating container inside is born pressure and is strengthened, when water temperature reaches 100 ℃, produce a large amount of steam, the tiny pressure release passage of relief valve inside also can't in time be discharged steam, finally causes the water heater blast.
Summary of the invention
The objective of the invention is to overcome the deficiency that above-mentioned prior art exists, and provide a kind of simple and reasonable for structure, heating tube is still worked in the time of can avoiding inner liner pressure excessive or too small, and Purely mechanical control, long service life, safe and reliable electric heater heating control apparatus are to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of electric heater heating control apparatus, comprise heat-generating pipe, described electric heater comprises inner bag, heat-generating pipe is arranged in the inner bag, it is characterized in that: the touching part of the STATEMENT OF FEDERALLY SPONSORED of also comprise the microswitch of control heat-generating pipe working power connecting and disconnecting, move according to the water level height and the button of touching microswitch, microswitch with touch the part relative motion.The relation that this kind of heating control apparatus utilizes inner bag internal pressure size and water level just to be directly proportional, one STATEMENT OF FEDERALLY SPONSORED of moving according to water level height is set, STATEMENT OF FEDERALLY SPONSORED moves up and down microswitch is contacted with the touching part, make the conducting of microswitch internal circuit or disconnection, thereby reach the purpose by the work of water level control heating tube, heating tube is still worked when avoiding inner liner pressure excessive or too small, improves the degree of safety of water heater.
Purpose of the present invention can also adopt following technical measures to solve:
As a kind of scheme more specifically, described inner bag is flexible inner bag, and flexible inner bag is arranged in the rigid trestle, and keeping somewhere between flexible inner bag top and the rigid trestle top has the expansion space.
Described STATEMENT OF FEDERALLY SPONSORED comprises float plate and switch installing plate, float plate is arranged in the described expansion space and swings up and down with the pucker ﹠ bloat of flexible inner bag, float plate one end and rigid trestle madial wall are hinged, and the float plate other end stretches out outside the rigid trestle, also is connected with described microswitch by the switch installing plate; Described touching part comprises touching piece and following touching piece, on touch piece and down the touching piece be arranged on the rigid trestle outer wall one on the other, when microswitch swings up and down with float plate, the button of microswitch and last touching piece and touch piece down and touch.
Be provided with the pendulum that links with its button outside the described microswitch, pendulum one end and microswitch are hinged, and the pendulum other end is provided with roller, and roller and the described touching piece of going up touch with the following piece of touching.
Described rigid trestle periphery is provided with heat-insulation layer, and heat-insulation layer is provided with the converted steel outer container outward.Heating control apparatus is fixed in the rigid trestle according to flexible inner bag and carries out work, and rigid trestle is outward heat-insulation layer (VIP), is hard rigidity outer container outside the VIP.
Described flexible inner bag is silica gel sheath, is provided with container cavity in the silica gel sheath.
Beneficial effect of the present invention is as follows:
(1) this kind of heating control apparatus utilizes the relation that inner bag internal pressure size and water level just are directly proportional, one STATEMENT OF FEDERALLY SPONSORED of moving according to water level height is set, STATEMENT OF FEDERALLY SPONSORED moves up and down microswitch is contacted with the touching part, make the conducting of microswitch internal circuit or disconnection, thereby reach the purpose by the work of water level control heating tube, heating tube is still worked when avoiding inner liner pressure excessive or too small, improves the degree of safety of water heater;
(2) heating control apparatus is used in conjunction with flexible inner bag, when the rigid trestle constancy of volume, the corresponding increase of flexible inner liner pressure meeting, relying on flexible inner bag volume to increase and under the characteristic of free wxpansion with pressing in it, guaranteeing under the outer cover of water heater constancy of volume situation, then flexible inner bag can carry out free wxpansion in the original Free Transform space of setting and produce one bigger to buoyancy, this buoyancy one near maximum inner bag liquid level area situation under, can produce rise with the water volumetric expansion of being heated, like this, even STATEMENT OF FEDERALLY SPONSORED is arranged on flexible inner bag outside, also can be synchronized with the movement with the contraction or expansion of flexible inner bag;
(3) motion mode of STATEMENT OF FEDERALLY SPONSORED belongs to mechanical motion, and is safe and reliable, is not subjected to environmental disturbances, and the life-span is long, can reach 100,000 times; In addition, the microswitch long service life, dependable performance, as at ordinary life No. 100,000 meters in the operating period, water heater heats frequency every day and calculates for 20 times, then can reach: 100000/20*366=13;
(4) this kind of heating control apparatus except can with the supporting use of storage-type electric water heater, also can be widely used in instant electric water heater, quick-heating type electric water heater, air source water heater, solar water heater, Teat pump boiler, multi-energy source water heater, water purifier, sanitaryware etc. appliance water product.
Description of drawings
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is the right TV structure schematic diagram of Fig. 1.
Fig. 3 to Fig. 5 is the multiple working state structure schematic diagram of the present invention.
Fig. 6 is water intaking valve closed condition structural representation.
Fig. 7 is water intaking valve open mode structural representation.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Extremely shown in Figure 5 in conjunction with Fig. 1, a kind of electric heater heating control apparatus, comprise heat-generating pipe 6 and heating control circuit (not shown), described electric heater comprises inner bag, heat-generating pipe 6 is arranged in the inner bag, it is characterized in that: the touching part of the STATEMENT OF FEDERALLY SPONSORED of also comprise microswitch 5, move according to water level height and the button of touching microswitch 5, microswitch 5 is connected between heat-generating pipe 6 and the heating control circuit, microswitch 5 with touch the part relative motion.
Described inner bag is flexible inner bag 1, and flexible inner bag 1 is arranged in the rigid trestle 9, and keeping somewhere between flexible inner bag 1 top and rigid trestle 9 tops has expansion space B.
Described STATEMENT OF FEDERALLY SPONSORED comprises float plate 2 and switch installing plate 24, float plate 2 is arranged in the described expansion space B, and swing up and down with the pucker ﹠ bloat of flexible inner bag 1 that (described float plate 2 is arranged in the B of expansion space, float plate 2 one ends are side walls hinged by hinge 21 and rigid trestle 9, when flexible inner bag 1 expands contraction, float plate 2 can wrap page or leaf 21 hinges and swing up and down, see among Fig. 1 shown in the A direction of arrow), float plate 2 one ends and rigid trestle 9 madial walls are hinged, and float plate 2 other ends stretch out outside the rigid trestle 9, and be connected with described microswitch 5 by switch installing plate 24; Described touching part comprises touching piece 92 and touches piece 93 down, last touching piece 92 and following touching piece 93 are arranged on rigid trestle 9 outer walls one on the other, when microswitch 5 swung up and down with float plate 2, the button of microswitch 5 and last touching piece 92 and following touching piece 93 touched.
Described microswitch 5 outsides are provided with the pendulum 51 that links with its button, and pendulum 51 1 ends and microswitch 5 are hinged, and pendulum 51 other ends are provided with roller 52, and roller 52 touches with following touching piece 93 with the described touching piece 92 of going up.
Described rigid trestle 9 peripheries are provided with heat-insulation layer 3, the heat-insulation layer 3 outer converted steel outer containers 4 that are provided with.Heating control apparatus is fixed in the rigid trestle according to flexible inner bag and carries out work.
Described flexible inner bag 1 is silica gel sheath, is provided with container cavity 11 in the silica gel sheath.
Microswitch can be arranged on the power input line, also can be connected in any one position in the control circuit.
Its operation principle is: when liquid in the flexible inner bag is higher than design highest standard size because of expansion, then microswitch contacts with last touching piece 92 by roller 52, roller 52 is passed to button (seeing shown in Figure 3) with its displacement by pendulum 51, the microswitch internal circuit is disconnected, and heating tube is in closed condition; When the thing liquid level was in the design standard size in the inner bag, the roller 52 of microswitch both contacted with last touching piece 92, did not also contact (seeing shown in Figure 4) with touching piece 93 down, made the conducting of microswitch internal circuit, and then little heating tube is in open mode; When liquid level in the inner bag is lower than design minimum standard size, flexible inner bag shrinks, and then microswitch contacts with touching piece 93 down by roller 52, and roller 52 is passed to button (seeing shown in Figure 5) with its displacement by pendulum 51, the microswitch internal circuit is disconnected, and heating tube is in closed condition.
The principle of above-mentioned electric heater heating control apparatus also can be applied to instant electric water heater, quick-heating type electric water heater, air source water heater, solar water heater, Teat pump boiler, multi-energy source water heater, water purifier, sanitaryware etc. appliance water product.
Above-mentioned water heater can also comprise temperature control circuit, temperature control circuit and heating control circuit electrically connect (not shown), are provided with temperature controller in the temperature control circuit, and temperature controller is used for surveying the water temperature in the flexible inner bag, when water temperature arrived design temperature, heating tube quit work; When (as 5 degrees centigrade), heating tube is started working in water temperature is lower than the certain limit of design temperature.Certainly, water temperature and water level, as long as any one parameter reach heating tube quit work limit when requiring, heating tube should not worked yet, as: when flexible inner bag reaches setting maximum swelling amount (water level rises to setting height), even water temperature no show design temperature, heating tube can not worked yet.That is to say, by increasing temperature control circuit, can make heavily protection of water heater many.
In conjunction with Fig. 6 and Fig. 7, above-mentioned water heater can also be provided with inlet control device, it comprises water intaking valve 7, connecting rod 22 and fork 23, water intaking valve 7 is provided with water inlet 74, delivery port 76 and switch 73, described delivery port 76 and flexible inner bag 1 internal communication, switch 73 are in transmission connection with float plate 2 by fork 23 and connecting rod 22 successively.
Described connecting rod 22 two ends are hinged with an end of float plate 2 and fork 23 respectively, and fork 23 other ends are connected with water intaking valve 7 switches 73.Described water intaking valve 7 comprises valve body 71, spool 72 and described switch 73, valve body 71 is provided with an intake tunnel 75, intake tunnel 75 two ends are described water inlet 74 and delivery port 76, and spool 72 1 ends are arranged in the intake tunnel 75, and spool 72 other ends stretch out outside the valve body 71 and are connected with switch 73.
The described flexible inner bag 1 outer rigid trestle 9 that is provided with, keep somewhere between flexible inner bag 1 top and rigid trestle 9 tops expansion space B is arranged, float plate 2 other ends stretch out rigid trestle 9 outer with described connecting rod 22 hinged (rigid trestle 9 corresponding described float plate 2 other ends offer window 91, and described float plate 2 other ends are outside window 91 stretches out rigid trestle 9).
The interior bottom of described flexible inner bag 1 is provided with water inlet pipe 8, and water inlet pipe 8 stretches out outside the flexible inner bag 1 and is communicated with the water inlet 74 of water intaking valve 7.
Above-mentioned inlet control device also is to be fixed in the rigid trestle according to flexible inner bag to carry out work.
Its operation principle is: when flexible inner bag 1 expands and when being higher than design highest standard size or flexible inner bag 1 swell increment and being in the design standard size, then water intaking valve 7 is in closed condition (seeing shown in Figure 3), extraneous running water can't enter in the flexible inner bag 1; When flexible inner bag 1 shrinks or swell increment when being lower than design minimum standard size, then water intaking valve 7 is in opening (seeing shown in Figure 4), and extraneous running water can inject in the flexible inner bag 1 continually.
Because inner bag material of the present invention is that flexible material is made, more than the inflatable twice of volume, so pass through to increase inlet control device, can avoid flexible inner bag to exceed the maximum swelling amount of setting behind its inner injection running water.

Claims (6)

1. electric heater heating control apparatus, comprise heat-generating pipe, described electric heater comprises inner bag, heat-generating pipe is arranged in the inner bag, it is characterized in that: the touching part of the STATEMENT OF FEDERALLY SPONSORED of also comprise the microswitch of control heat-generating pipe working power connecting and disconnecting, move according to the water level height and the button of touching microswitch, microswitch with touch the part relative motion.
2. electric heater heating control apparatus according to claim 1, it is characterized in that: described inner bag is flexible inner bag, and flexible inner bag is arranged in the rigid trestle, and keeping somewhere between flexible inner bag top and the rigid trestle top has the expansion space.
3. electric heater heating control apparatus according to claim 2, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED comprises float plate and switch installing plate, float plate is arranged in the described expansion space and swings up and down with the pucker ﹠ bloat of flexible inner bag, float plate one end and rigid trestle madial wall are hinged, and the float plate other end stretches out outside the rigid trestle, also is connected with described microswitch by the switch installing plate;
Described touching part comprises touching piece and following touching piece, on touch piece and down the touching piece be arranged on the rigid trestle outer wall one on the other, when microswitch swings up and down with float plate, the button of microswitch and last touching piece and touch piece down and touch.
4. electric heater heating control apparatus according to claim 3, it is characterized in that: the described microswitch outside is provided with the pendulum with its button interlock, pendulum one end and microswitch are hinged, and the pendulum other end is provided with roller, and roller and the described touching piece of going up touch with following touching piece.
5. electric heater heating control apparatus according to claim 2, it is characterized in that: described rigid trestle periphery is provided with heat-insulation layer, and heat-insulation layer is provided with the converted steel outer container outward.
6. electric heater heating control apparatus according to claim 1, it is characterized in that: described flexible inner bag is silica gel sheath, is provided with container cavity in the silica gel sheath.
CN201310126779.7A 2013-04-12 2013-04-12 Electric water heater heating control device Active CN103196233B (en)

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Application Number Priority Date Filing Date Title
CN201310126779.7A CN103196233B (en) 2013-04-12 2013-04-12 Electric water heater heating control device

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Application Number Priority Date Filing Date Title
CN201310126779.7A CN103196233B (en) 2013-04-12 2013-04-12 Electric water heater heating control device

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CN103196233A true CN103196233A (en) 2013-07-10
CN103196233B CN103196233B (en) 2016-03-02

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2158513Y (en) * 1993-07-04 1994-03-09 陈光良 Wall type automatic electrical water heater
US5367605A (en) * 1991-06-10 1994-11-22 Societe Cooperative De Production Bourgeois Boiler with deformable wall for removing scale
CN2302461Y (en) * 1997-04-11 1998-12-30 尹协谦 Wall hanging multi-purpose electric heating water boiling device
CN2662140Y (en) * 2003-11-03 2004-12-08 陈华照 Water heater
CN200996727Y (en) * 2007-01-09 2007-12-26 江苏奥佳厨具电器有限公司 Dryout protecter and electric water boiler therewith
CN201692142U (en) * 2010-06-12 2011-01-05 陈丽卿 Heating controller of flexible electric heating water bag
CN203190644U (en) * 2013-04-12 2013-09-11 蒋浩 Heating control device for electric water heater

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367605A (en) * 1991-06-10 1994-11-22 Societe Cooperative De Production Bourgeois Boiler with deformable wall for removing scale
CN2158513Y (en) * 1993-07-04 1994-03-09 陈光良 Wall type automatic electrical water heater
CN2302461Y (en) * 1997-04-11 1998-12-30 尹协谦 Wall hanging multi-purpose electric heating water boiling device
CN2662140Y (en) * 2003-11-03 2004-12-08 陈华照 Water heater
CN200996727Y (en) * 2007-01-09 2007-12-26 江苏奥佳厨具电器有限公司 Dryout protecter and electric water boiler therewith
CN201692142U (en) * 2010-06-12 2011-01-05 陈丽卿 Heating controller of flexible electric heating water bag
CN203190644U (en) * 2013-04-12 2013-09-11 蒋浩 Heating control device for electric water heater

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