CN103743093B - Ptc liquid heater - Google Patents
Ptc liquid heater Download PDFInfo
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- CN103743093B CN103743093B CN201410000092.3A CN201410000092A CN103743093B CN 103743093 B CN103743093 B CN 103743093B CN 201410000092 A CN201410000092 A CN 201410000092A CN 103743093 B CN103743093 B CN 103743093B
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- heating liquid
- roof
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- 239000007788 liquid Substances 0.000 title claims abstract description 129
- 238000010438 heat treatment Methods 0.000 claims abstract description 95
- 238000009434 installation Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 7
- 230000008447 perception Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005476 soldering Methods 0.000 claims description 4
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 8
- 230000009172 bursting Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000000779 smoke Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 201000004569 Blindness Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A kind of PTC liquid heater, belongs to liquid heating technical field.Comprise heater body, central authorities are configured with heating liquid chamber, arrange left and right capping at the left and right end of heater body, respectively form PTC element installation cavity, establish PTC element in installation cavity at the forward and backward sidewall of heater body; Feed liquor interface, is located on right aling cap, communicates with heating liquid chamber; Go out liquid interface, the roof times being located at left sealing cap and heater body is selected on one, the diapire of heater body is configured to heater body assembly wall, feature: on the chamber wall in heating liquid chamber and along the length direction in heating liquid chamber, formed the heating chamber radiating fin that a group is raised in the chamber wall surface in heating liquid chamber with space state.Good heat dissipation effect, the efficiency of heating surface is high, energy-conservation and save material; Prevent heater body from bursting, use safety; PTC element can not be undermined when exerting pressure to chamber roof, chamber diapire; Intelligent effective.
Description
Technical field
The invention belongs to liquid heating technical field, be specifically related to a kind of PTC liquid heater, be applied to such as kitchen utensils as on the kitchen range of smoke exhaust ventilator and so on, for one end is coupled and the other end provides hot water or the steam of the centrifugal impeller of smoke exhaust ventilator being implemented to cleaning with the pipeline of nozzle.
Background technology
Above mentioned PTC refers to positive temperature coefficient thermistor, and above mentioned PTC liquid heater refers to the heating facility utilizing PTC heating power to heat liquid (mainly referring to water).Technical information about PTC liquid heater can be seen in disclosed Chinese patent literature, " a kind of PTC liquid heater " that " a kind of PTC liquid heater " and CN201937849U typically as utility model patent Authorization Notice No. CN201476268U recommendation provide.The design feature of these two patents is that (two patents are all called type aluminium by heater body, i.e. aluminium section bar) the central authorities of length direction form a heating liquid chamber (patent claims vertical passage) from one end to the other side, and between heater body and heating liquid chamber, be formed with PTC installation cavity (patent claims longitudinal hole), PTC element is set in PTC installation cavity.During use, PTC element is energized and is in the state heated heating liquid chamber, making the liquid introduced from the one end in heating liquid chamber become temperature required liquid when being drawn from the other end, that is making the Normal Atmospheric Temperature Liquid flowing through heating liquid chamber reach required temperature.
Although above-mentioned two patent formula have the technique effect on the technique effect hurdle (see 10 sections, the description of CN201476268U and the 8th section, the description of CN201937849U) of description separately, but there is following logical fraud: one, because the chamber wall in the heating liquid chamber being formed in the central authorities of the length direction of heater body is smooth, thus the heating effect to the liquid flowed through in heating liquid chamber can be affected on the one hand, be not enough to because the efficiency of heating surface is low on the other hand save power consumption, then cause the waste of material making heater body on the one hand, they are two years old, lose safety, because can steam be produced when the liquid in heating liquid chamber is vaporized, and the pressure in heating liquid chamber is raised suddenly, if so in time by the steam pressure release in heating liquid chamber, heater body so can not can be caused and bursts and jeopardize property and personal safety, they are three years old, due under normal conditions after PTC element installs in PTC element installation cavity, need to the chamber roof of PTC element installation cavity and the pressurization of chamber diapire appropriateness, make the appropriateness deformation of the material of chamber roof and chamber diapire and extend, use and PTC element is limited, play is in use produced and even the PTC installation cavity and guarantee that PTC element contacts effect with the laminating of the outer wall in heating liquid chamber of scurrying out to avoid PTC element, therefore when exerting pressure to chamber roof and chamber diapire because the roof of heater body and the structure of diapire are lost rationally, thus easily following two kinds of situations of occurring are not wished in appearance: one be when exerting pressure to chamber roof and chamber diapire chamber roof and chamber diapire not yielding cause PTC element is limited unreliable, two is if applied pressure is excessive, although the deformation of chamber roof and chamber diapire is embodied, there is the anxiety undermining the relatively fragile PTC element of anti-pressure ability, its four, owing to lacking comprehensive safety safeguard, thus unavoidably there is blindness in actual use, such as, be both difficult to understand the fluid temperature in heating liquid chamber in real time, the surface temperature of heater body can not be grasped in time.
In view of above-mentioned prior art, be necessary rational modification in addition, the applicant has done useful design for this reason, define technical scheme described below, and taking under secrecy provision, made simulated test in the laboratory of the applicant, result proves practicable.
Summary of the invention
Top priority of the present invention be to provide a kind of contribute to the heating liquid chamber optimizing heater body structure and use and improve the efficiency of heating surface, save power consumption and save the PTC liquid heater of the material making heater body.
Another task of the present invention is that providing a kind of is conducive to the pressure in heating liquid chamber is discharged when exceeding setting value and uses avoiding the quick-fried damage of heater body and the PTC liquid heater guaranteeing property and personal safety.
Another task of the present invention be to provide a kind of be of value to improving the roof of heater body and the reasonable structure of diapire and using embodiment both can reliably limit the PTC liquid heater avoiding undermining PTC element to the PTC element in PTC element installation cavity.
A task more of the present invention is to provide a kind of to be had the surface temperature of being convenient to control fluid temperature in heating liquid chamber and heater body and uses the PTC liquid heater of embodiment both intelligentized effect of safety.
For having embodied top priority of the present invention, technical scheme provided by the invention is: a kind of PTC liquid heater, comprise a heater body, a heating liquid chamber is configured with in the central authorities of the length direction of this heater body, heater body left end and be equipped with a left sealing cap in the position of left accent corresponding to heating liquid chamber, and heater body right-hand member and be equipped with a right aling cap in the position of right accent corresponding to heating liquid chamber, and be respectively configured with a PTC element installation cavity at the front side wall of the length direction of heater body and rear wall, PTC element is provided with in each PTC element installation cavity, one feed liquor interface, this feed liquor interface is arranged on described right aling cap, and communicates with described heating liquid chamber, one goes out liquid interface, this go out liquid interface be arranged on described left sealing cap and heater body roof appoint select on one, and communicate with described heating liquid chamber, wherein: the diapire of heater body is configured to heater body assembly wall, and feature is: on the chamber wall in described heating liquid chamber and along the length direction in heating liquid chamber, be configured with space state the heating chamber radiating fin that a group is raised in the chamber wall surface in heating liquid chamber.
For having embodied another task of the present invention, technical scheme provided by the invention is: on the described roof of described heater body, offer a pressure release mechanism installing hole, this pressure release mechanism installing hole communicates with described heating liquid chamber, and is provided with a pressure release mechanism on this pressure release mechanism installing hole.
For having embodied another task of the present invention, technical scheme provided by the invention is: the both sides of the length direction of the roof of described heater body are respectively configured to the chamber roof of described PTC installation cavity, and between chamber roof and roof, be configured with the yielding groove of a chamber roof; The both sides of the length direction of the diapire of described heater body are respectively configured to the chamber diapire of described PTC installation cavity, and between chamber diapire and diapire, be configured with the yielding groove of a chamber diapire.
For having embodied a task more of the present invention, technical scheme provided by the invention has been: on the roof of described heater body, be provided with one for the temperature sensor and of the fluid temperature in heating liquid chamber described in perception for the temperature controller of the surface temperature of control heater body.
In a specific embodiment of the present invention, one group of described heating chamber radiating fin is formed on the chamber wall in described heating liquid chamber with radiation regimes.
In another specific embodiment of the present invention, the first electrode is combined with in the side of described PTC element, and opposite side is combined with the second electrode, wherein: when the first described electrode is connected with control power supply by the first electrode outlet line, the second described electrode is connected with described temperature controller by the second electrode outlet line; When the first described electrode is connected with described temperature controller by the first electrode outlet line, the second described electrode is connected with control power supply by the second electrode outlet line.
In another specific embodiment of the present invention, be wrapped with insulation film at described PTC element, insulation film is Kapton or polyester film.
In another specific embodiment of the present invention, described chamber roof and the shape of cross section of chamber diapire are all in U-shaped, and the described yielding groove of chamber roof and the shape of cross section of the yielding groove of chamber diapire are all in the shape of the letter V.
Also have in a specific embodiment of the present invention, the position of left accent and the left end end face soldering of described heater body that described left sealing cap is corresponding to described heating liquid chamber are fixed; The position of right accent and the right-hand member end face soldering of heater body that described right aling cap is corresponding to heating liquid chamber are fixed.
More of the present invention and in a specific embodiment, described pressure release mechanism comprises valve body, steel ball, spring and pressure-adjusting screw, valve body is configured with a stud towards one end of described pressure release mechanism installing hole, this stud and pressure release mechanism installing hole are fixed, steel ball, spring and pressure-adjusting screw are successively set in the valve body chamber of valve body, the middle position of the bottom in valve body chamber offers a relief hole, this relief hole communicates with described heating liquid chamber, described steel ball corresponds to relief hole and matches with relief hole, the upper end of spring is bearing on pressure-adjusting screw, and the lower end of spring is bearing on steel ball, the chamber wall threaded engagement in pressure-adjusting screw and valve body chamber.
Technical scheme provided by the invention is relative to one of the technique effect of prior art, owing to being configured with one group of heating chamber radiating fin on the chamber wall in heating liquid chamber, thus significantly radiating effect can be improved, improve the efficiency of heating surface to the liquid in heating liquid chamber, the material saved power consumption and can save for making heater body; Two, owing to being provided with pressure release mechanism on roof, thus can preventing heater body from bursting, guarantee property and the personal safety of user; Three, both sides due to the both sides of the length direction by roof and the length direction of diapire are configured to chamber roof and the chamber diapire of PTC element installation cavity respectively, and between chamber roof and roof, be configured with the yielding groove of chamber roof, between chamber diapire and diapire, being configured with the yielding groove of chamber diapire, when thus the PTC element being positioned at PTC element installation cavity being limited exerting pressure to chamber roof, chamber diapire, PTC element can not being undermined; Four, owing to being provided with the temperature controller for the fluid temperature sensor in perception heating liquid chamber and the surface temperature for perception heater body, thus both can embodying desirable security, intelligent effect can be embodied again.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
Detailed description of the invention
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Every directionality concept relating to upper and lower, left and right, front and rear and so on is all that object is to facilitate the public to understand, and thus can not be interpreted as the restriction to the present invention program whereby for the location status shown in Fig. 1 in the following description.
Refer to Fig. 1, give a heater body 1 preferably using the material with good heat transfer (heat trnasfer) effect to do as copper as aluminum or aluminum alloy or other similar material, in the present embodiment, this heater body 1 to be extruded through mould by extruded aluminium and forms, a heating liquid chamber 11 is configured with in the central authorities of the length direction of heater body 1, shown in figure, the outline of the shape of cross section of heater body 1 is rectangle, and the shape of cross section in heating liquid chamber 11 is rounded.Heater body 1 left end end face and adopt Welding mode to be fixed with a left sealing cap 12 in the position of the left accent corresponding to liquid heater chamber 11, by the left accent sealing in left sealing cap 12 pairs of heating liquid chambeies 11; Heater body 1 right-hand member end face and adopt Welding mode to be fixed with a right aling cap 13 equally in the position of right accent corresponding to heating liquid chamber 11, by the right accent sealing in right aling cap 13 pairs of heating liquid chambeies 11.Respectively be configured with a PTC element installation cavity 14(at the antetheca (also can claim front side wall) of the length direction of heater body 1 and rear wall (also can claim rear wall) and also can claim PTC heating chamber), in PTC element installation cavity 14, be provided with PTC element 2.
Give a feed liquor interface 3, this feed liquor interface 3 is fixed on aforesaid right aling cap 13, and communicates with heating liquid chamber 11, and this feed liquor interface 3 is connected with water supply line (water supply line arranges magnetic valve) in a state of use.Give one and go out liquid interface 4, in the present embodiment, to liquid interface 4 be gone out be arranged on the left end of the length direction of the roof 15 of heater body, specifically: be configured with at the left end of the length direction of roof 15 the washer sealing chamber 153 that is depressed in top wall surface, offer one in the middle position in this washer sealing chamber 153 and go out liquid interface matching hole 1531, go out liquid interface 4 to go out liquid interface matching hole 153 screw thread with this and connect, communicate with heating liquid chamber 11, and sealed by the seal washer 1532 be arranged in washer sealing chamber 153.In a state of use, be combined with one end of a drain pipe going out grafting on liquid interface 4, and the other end of drain pipe is equipped with nozzle, by nozzle to the hot water of the centrifugation blade of smoke exhaust ventilator and impeller jet cleaning or steam.
Shown in figure, the diapire 16 of aforementioned heater body 1 is configured to heater body assembly wall, fixes in use by the fixed bolt 162 be preset on diapire 16 with smoke exhaust ventilator.
Applicant it should be noted that: if by above mentioned go out liquid interface 4 to be fixed on left sealing cap 12 and to communicate with heating liquid chamber 11; so should be considered as technology contents category disclosed by the invention and be subject to protection of the present invention, because the change in location going out liquid interface 4 belongs to form and immaterial change.Equally, if aforesaid feed liquor interface 3 to be transferred to for the object of evading the right-hand member of the length direction of roof 15, so should to be considered as equivalence and to substitute.
Technical essential as technical scheme provided by the invention: be configured with space state the heating chamber radiating fin 111 that a group is raised in the chamber wall surface in heating liquid chamber 11 on the chamber wall in aforesaid heating liquid chamber 11 and along the length direction in heating liquid chamber 11, during the state worked when being installed on the PTC element 2 in PTC element installation cavity 14 and being in energising, then heated by the liquid (liquid is water) in heating chamber radiating fin 111 pairs of heating liquid chambeies 11.
Preferably, aforesaid one group of heating chamber radiating fin 111 is formed on the chamber wall in heating liquid chamber 11 with radiation regimes, and one of technique effect described in the superincumbent technique effect hurdle of applicant has been cashed in the heating liquid chamber 11 of this structure.
The roof 15 of heater body 1 offers a pressure release mechanism installing hole 151, and this pressure release mechanism installing hole 151 communicates with heating liquid chamber 11 and is screw, and pressure release mechanism installing hole 151 is equipped a pressure release mechanism 5.
Above mentioned pressure release mechanism 5 preferably but not the structure be definitely limited to is as follows: comprise valve body 51, steel ball 52, spring 53 and pressure-adjusting screw 54, valve body 51 is configured with a stud 511 towards one end of pressure release mechanism installing hole 151, this stud 511 is fixed with pressure release mechanism installing hole 151 threaded engagement, and sealed by sealing ring 5111, steel ball 52, spring 53 and pressure-adjusting screw 54 are successively set in the valve body chamber 512 of valve body 51, the middle position of the bottom in valve body chamber 512 offers a relief hole 5121, this relief hole 5121 communicates with heating liquid chamber 11, aforesaid steel ball 52 is placed on relief hole 1512, namely match with relief hole 1512, the upper end of spring 53 is bearing on pressure-adjusting screw 54, and the lower end of spring 53 is bearing on steel ball 52, the chamber wall threaded engagement in pressure-adjusting screw 54 and valve body chamber 512.By the adjustment (adjusting clockwise or counterclockwise) to pressure-adjusting screw 54, spring 53 is made to compress or extend by pressure-adjusting screw 54, that is the amount of force making spring 53 act on steel ball 52 changes, thus reaches the adjustment of the force value (industry custom claims threshold values) to pressure release mechanism 5.When the pressure in heating liquid chamber 11 is greater than the active force of spring 53 pairs of steel balls 52, so by pressure by steel ball 52 jack-up, steam in heating liquid chamber 11 enters valve body chamber 512 through relief hole 5121, because valve body chamber 512 communicates with the external world, the steam thus entered in valve body chamber 512 drains into the external world.Structure like this can confirm the technique effect two recorded in the superincumbent technique effect hurdle of applicant.
Please continue to refer to Fig. 1, the both sides of the length direction of the roof 15 of aforementioned heater body 1 and be respectively configured to the chamber roof 152 of PTC element installation cavity 14 in the position at the top corresponding to PTC element installation cavity 14, and between chamber roof 152 and roof 15, (border on position) be configured with the yielding groove 1521 of a chamber roof; The both sides of the length direction of the diapire 16 of aforementioned heater body 1 and be respectively configured to the chamber diapire 161 of PTC element installation cavity 14 in the position of the bottom corresponding to PTC element installation cavity 14, and between chamber diapire 161 and diapire 16, (border on position) be configured with the yielding groove 1611 of a chamber diapire.Preferably, the shape of cross section of chamber roof 152 and chamber diapire 161 all takes the shape of the letter U (also can claim semicircle), and the shape of cross section of the yielding groove of chamber roof 1521 and the yielding groove 1611 of chamber diapire is all in the shape of the letter V.
The PTC element 2 that the shape of above-mentioned chamber roof 152, chamber diapire 161 contributes to being arranged in PTC element installation cavity 14 limits, specifically, when PTC element 2 is installed on after in PTC element installation cavity 14, as long as exert pressure to chamber roof 152, chamber diapire 161 just or distortion can be claimed and make PTC element 2 be limited in PTC element installation cavity 14 by the micro-vast ductility of the material of heater body 1 simultaneously.Due to the existence of the yielding groove of chamber roof 1521 and the yielding groove 1611 of chamber diapire, as long as thus exert pressure to chamber roof 152 and chamber diapire 161 with less power, thus the relatively fragile PTC element 2 of compression strength can not be undermined, thus confirm the technique effect three recorded in the superincumbent technique effect hurdle of applicant.
The roof 15 of aforementioned heater body 1 is provided with temperature sensor 6 and a temperature controller 7, by the temperature of the liquid in temperature sensor 6 perception heating liquid chamber 11, the surface temperature of heater body 1 is predicted by temperature controller 7, temperature controller 7 screw 72 is being fixed corresponding to the position of the screw hole 154 be preset on roof 15 and roof 15, these two parts the technique effect four can cashed and refer in the superincumbent technique effect hurdle of applicant is set.
According to professional general knowledge, smoke exhaust ventilator is provided with electric controller usually, and therefore aforesaid temperature sensor 6 is electrically connected with electric controller by the temperature controller circuit female 711 on temperature controller circuit 71 by the sensor line female on sensor line 61 and temperature controller 7.
The surface conjunction of the side of above mentioned PTC element 2 has the first electrode 21, and the surface conjunction of opposite side has the second electrode 22, wherein: when the first electrode 21 is connected with control power supply by the first electrode outlet line 211, so the second electrode 22 is connected with aforesaid temperature controller 7 by the second electrode outlet line 221; When the first electrode 21 is connected with temperature controller by the first electrode outlet line 211, so the second electrode 22 is connected with control power supply by the second electrode outlet line 221, the present embodiment selects the former, and the first electrode outlet line 211 is coordinated with the electric controller grafting of above mentioned smoke exhaust ventilator by attaching plug 2111, and the second electrode outlet line 221 is coordinated with temperature controller 7 grafting by electrode outlet line plug 2211.
Preferably, be wrapped with insulation film 23 at aforesaid PTC element 2, insulation film 23 preferably uses Kapton or polyester film, but does not repel the insulation film using other similarity.
Applicant sketches use of the present invention, suppose on the smoke exhaust ventilator that the present invention is installed on as kitchen utensils category, so when cleaning the centrifugation blade of smoke exhaust ventilator, by operating the guidance panel of the electric controller be arranged on smoke exhaust ventilator, in heating liquid chamber 11, the liquid of cleaning is introduced by feed liquor interface 3, namely running water is introduced, and make PTC element 2 be in "on" position, PTC element 2 is sent out heat thermogenetic and is passed to heating liquid chamber 11 with thermaltransmission mode, specifically, dispel the heat to the heating liquid in heating liquid chamber 11 by the heater radiating fin 111 in heating liquid chamber 11, when temperature sensor 6 perception liquid reaches the value of setting, just by signal feedback to electric controller, instruction is sent by electric controller, make to open with the magnetic valve gone out on pipeline that liquid interface 4 is connected, by the nozzle on this pipeline, liquid (by the water heated) is injected into centrifugation blade and the impeller of smoke exhaust ventilator, impeller is implemented clean in order to operator.When superpressure in heating liquid chamber 11 (setting value of overpressure relieving mechanism 5), the then pressure release by applicant's superincumbent description, when the surface temperature of heater body 1 exceedes the setting value of temperature controller 7, then by temperature controller 7 by signal feedback to electric controller, send instruction by electric controller or make PTC element 2 break-off, or making feed liquor interface 3 feed liquor.Go out liquid interface 4 drawing-off water or steam is determined by electric controller.
In sum, overcome the shortcoming in prior art due to technical scheme provided by the invention, complete invention task, embody the technique effect of applicant described in technique effect hurdle all sidedly, thus can yet be regarded as is a ultimate attainment technical scheme.
Claims (9)
1. a PTC liquid heater, comprise a heater body (1), a heating liquid chamber (11) is configured with in the central authorities of the length direction of this heater body (1), heater body (1) left end and be equipped with a left sealing cap (12) in the position of left accent corresponding to heating liquid chamber (11), and heater body (1) right-hand member and be equipped with a right aling cap (13) in the position of right accent corresponding to heating liquid chamber (11), and be respectively configured with a PTC element installation cavity (14) at the front side wall of the length direction of heater body (1) and rear wall, PTC element (2) is provided with in each PTC element installation cavity (14), one feed liquor interface (3), this feed liquor interface (3) is arranged on described right aling cap (13), and communicates with described heating liquid chamber (11), one goes out liquid interface (4), this go out liquid interface (4) be arranged on described left sealing cap (12) and heater body (1) roof (15) both appoint select on one, and communicate with described heating liquid chamber (11), wherein: the diapire (16) of heater body (1) is configured to heater body assembly wall, it is characterized in that: on the chamber wall of described heating liquid chamber (11) and along the length direction of heating liquid chamber (11), be configured with space state the heating chamber radiating fin (111) that a group is raised in the chamber wall surface in heating liquid chamber (11), the described roof (15) of described heater body (1) offers a pressure release mechanism installing hole (151), this pressure release mechanism installing hole (151) communicates with described heating liquid chamber (11), and on this pressure release mechanism installing hole (151), a pressure release mechanism (5) is installed.
2. PTC liquid heater according to claim 1, it is characterized in that the both sides of the length direction of the roof (15) of described heater body (1) are respectively configured to the chamber roof (152) of described PTC installation cavity (14), and be configured with the yielding groove of a chamber roof (1521) between chamber roof (152) and roof (15); The both sides of the length direction of the diapire (16) of described heater body (1) are respectively configured to the chamber diapire (161) of described PTC installation cavity (14), and are configured with the yielding groove of a chamber diapire (1611) between chamber diapire (161) and diapire (16).
3. PTC liquid heater according to claim 1, is characterized in that being provided with on the roof (15) of described heater body (1) one for the temperature sensor (6) and of the fluid temperature in heating liquid chamber (11) described in perception for the temperature controller (7) of the surface temperature of control heater body (1).
4. PTC liquid heater according to claim 1, is characterized in that one group of described heating chamber radiating fin (111) is formed on the chamber wall of described heating liquid chamber (11) with radiation regimes.
5. PTC liquid heater according to claim 3, it is characterized in that being combined with the first electrode (21) in the side of described PTC element (2), and opposite side is combined with the second electrode (22), wherein: when described the first electrode (21) is connected with control power supply by the first electrode outlet line (211), described the second electrode (22) is connected with described temperature controller (7) by the second electrode outlet line (221); When described the first electrode (21) is connected with described temperature controller (7) by the first electrode outlet line (211), described the second electrode (22) is connected with control power supply by the second electrode outlet line (221).
6. PTC liquid heater according to claim 1, it is characterized in that being wrapped with insulation film (23) at described PTC element (2), insulation film (23) is Kapton or polyester film.
7. PTC liquid heater according to claim 2, it is characterized in that the shape of cross section of described chamber roof (152) and chamber diapire (161) is all in U-shaped, the described yielding groove of chamber roof (1521) and the shape of cross section of the yielding groove of chamber diapire (1611) are all in the shape of the letter V.
8. PTC liquid heater according to claim 1, is characterized in that the position of left accent and the left end end face soldering of described heater body (1) that described left sealing cap (12) is corresponding to described heating liquid chamber (11) are fixed; The position of right accent and the right-hand member end face soldering of heater body (1) that described right aling cap (13) is corresponding to heating liquid chamber (11) are fixed.
9. PTC liquid heater according to claim 1, it is characterized in that described pressure release mechanism (5) comprises valve body (51), steel ball (52), spring (53) and pressure-adjusting screw (54), valve body (51) is configured with a stud (511) towards one end of described pressure release mechanism installing hole (151), this stud (511) is fixed with pressure release mechanism installing hole (151), steel ball (52), spring (53) and pressure-adjusting screw (54) are successively set in the valve body chamber (512) of valve body (51), the middle position of the bottom in valve body chamber (512) offers a relief hole (5121), this relief hole (5121) communicates with described heating liquid chamber (11), described steel ball (52) is corresponding to relief hole (1512) and match with relief hole (1512), the upper end of spring (53) is bearing on pressure-adjusting screw (54), and the lower end of spring (53) is bearing on steel ball (52), the chamber wall threaded engagement in pressure-adjusting screw (54) and valve body chamber (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000092.3A CN103743093B (en) | 2014-01-02 | 2014-01-02 | Ptc liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000092.3A CN103743093B (en) | 2014-01-02 | 2014-01-02 | Ptc liquid heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743093A CN103743093A (en) | 2014-04-23 |
| CN103743093B true CN103743093B (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410000092.3A Active CN103743093B (en) | 2014-01-02 | 2014-01-02 | Ptc liquid heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103743093B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299725B (en) * | 2015-12-06 | 2018-06-26 | 广东万和新电气股份有限公司 | Smoke machine and its water system and control method |
| US10764963B2 (en) | 2016-10-07 | 2020-09-01 | S. C. Johnson & Son, Inc. | Volatile material dispenser |
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| CN201476268U (en) * | 2009-09-14 | 2010-05-19 | 熊欣 | PTC liquid heater |
| CN201637075U (en) * | 2009-10-23 | 2010-11-17 | 佛山市南海蜂窝电子制品有限公司 | Liquid electric heater set |
| CN201724374U (en) * | 2010-07-27 | 2011-01-26 | 浙江鑫通电子有限公司 | Liquid warmer |
| WO2012120708A1 (en) * | 2011-03-04 | 2012-09-13 | カシン工業株式会社 | Liquid-heating heater |
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