CN104797014B - A kind of integrated sensor - Google Patents
A kind of integrated sensor Download PDFInfo
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- CN104797014B CN104797014B CN201510214517.5A CN201510214517A CN104797014B CN 104797014 B CN104797014 B CN 104797014B CN 201510214517 A CN201510214517 A CN 201510214517A CN 104797014 B CN104797014 B CN 104797014B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0222—Switches actuated by changing weight, level or centre of gravity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0205—Switches using a fusible material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Fuses (AREA)
- Thermally Actuated Switches (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cookers (AREA)
Abstract
The present invention relates to temperature control sensor technical field, particularly to a kind of integrated sensor。Including base, being provided with sensing element in base, the upper end of described base is arranged with the upper cover of self contained function corresponding thereto, is provided with compression spring between base and upper cover；Described upper cover press down in stroke with in base sensing element conflict linkage。Present configuration is reasonable, and when interior pot temperature rise to anti-dry setting value, critesistor cuts off master control borad circuit realiration power-off protection, can be again switched on circuit after the cooling of this contact；When temperature rise exceedes the anti-dry limit, temperature sensing board starts hot fuse function, is directly melted fusing core by high temperature, and force disconnect heater circuit realizes final protection；Thermal sensitive piece and insulating support, as stress parts, reduce the off-line problem of lead solder-joint, improve whole service life。
Description
Technical field
The present invention relates to temperature control sensor technical field, particularly to a kind of integrated sensor。
Background technology
Chinese patent CN201422761Y discloses the anti-dry burning device of a kind of microswitch type, including mounting cup, microswitch and switch supporting plate, microswitch is arranged and in mounting cup, mounting cup is arranged on switch supporting plate, and between mounting cup and switch supporting plate, it being provided with back-moving spring, switch supporting plate is fixed on mounting base, exercises microswitch and connect the heater circuit on mounting base during use under mounting cup entirety, heater circuit is in series with temperature-sensitive assembly, when mounting cup is released, then disconnects heater circuit。
The setting of this structure causes that each workpiece and installing plate one are fixed and be connected, and the pressure-driven at interior pot is selected, and then produces knee-action realization without pot and detection, and going between of workpiece constantly bends and extend the problem easily making each node loose contact occur。
Summary of the invention
Present invention aims to the defect of prior art and deficiency, it is provided that a kind of rational in infrastructure, integrated level is high, the integrated sensor of reliable and stable, long service life。
For achieving the above object, the present invention is by the following technical solutions:
A kind of integrated sensor of the present invention, including base, is provided with sensing element in base, the upper end of described base is arranged with the upper cover of self contained function corresponding thereto, is provided with compression spring between base and upper cover；Described upper cover press down in stroke with in base sensing element conflict linkage。
Further, the outer rim of described base lower port is provided with the installing plate of annular, the outer sheath of base is provided with insulating boot, insulating boot lower end is fixing with installing plate to be connected, compression spring housing is located between insulating boot and base, upper cover is flexibly connected through insulating boot upper port with it, and the two ends up and down of compression spring are supported respectively and are located on upper cover and installing plate。
Further, being provided with only row circle in the upper port of described insulating boot, the lower port outer rim of upper cover is provided with back-up ring, and the external profile diameter of back-up ring is more than the inner edge diameter of only row circle, and the two ends up and down of compression spring are supported respectively and are located on back-up ring and installing plate。
Further, being provided with fixing plate in described base upper port, fixing plate side has breach, and described sensing element includes temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixing plate breach and temperature-sensitive assembly is movably connected with the base；Described fixing plate is provided with the limited block of restriction upper cover downward storke。
Further, described temperature-sensitive assembly includes critesistor and insulating support, and critesistor is connected with insulating support upper end and lead-in wire on critesistor is arranged on insulating support；
Described insulating support upper end makes critesistor and limited block, upper cover be equipped with through fixing plate breach, is provided with leaf spring between insulating support lower end and base。
Further, being transversely provided with dividing plate the inner space of base is divided into epicoele and cavity of resorption in described base, dividing plate is provided with wallboard, and insulating support can be located at intracavity on the base of wallboard side up and downly；
Described wallboard is transversely provided with the pillar relative with insulating support, leaf spring be sheathed on pillar and leaf spring two ends up and down respectively support be located on insulating support lower end and dividing plate。
Further, the base upper port of described fixing plate indentation, there is provided with upper limit plate, conflicts with upper limit plate and be connected in insulating support upper end。
Further, the upper end of described insulating support offers installing hole, installing hole is connected with structure hole, the diameter of structure hole is less than installing hole, having the gap of through installing hole and structure hole respectively on the leading flank of insulating support, critesistor lower end is embedded in installing hole and the lead-in wire of critesistor is arranged in structure hole。
Further, described sensing element also includes microswitch, and microswitch is fixedly installed in base and arranges with the linkage of temperature-sensitive assembly。
Further, described microswitch includes pedestal, wing plate, pin two A, pin two B, contact C and tension spring；
The lower end of described pin two A and pin two B is each passed through that the base plate of pedestal is fixing with pedestal to be connected, and pin two A and pin two B upper end are oppositely arranged, and pin two B upper end is transversely provided with folding；The fixing end of described contact C is connected to the upper end of pin two A, and contact C horizontally set and its free end are located at the lower section of folding；
Described wing plate horizontally set and wing plate one end are hinged with pedestal, and the two ends of tension spring are connected with the wing plate other end and contact C respectively, and the lower end of insulating support is connected on the other end of wing plate。
Further, described pedestal is fixed at the lower intracavity of base, and insulating support lower end is connected through dividing plate with the conflict of wing plate。
Further, described sensing element also includes overheating interruption device, and overheating interruption device is provided with thermal cutoff device connected in parallel, and described overheating interruption device and thermal cutoff device are each passed through fixing plate and are correspondingly arranged with upper cover。
Further, described overheating interruption device includes pin one A, pin one B, contact A, contact B and ceramic bar, pin one A and pin one B upper end are located in the base epicoele between fixing plate and dividing plate, pin one A, pin one B lower end be each passed through dividing plate and fixing with dividing plate be connected；
The fixing end of described contact A is connected with pin one A upper end, and the fixing end of contact B is connected with pin one B upper end, and the free end of the free end of contact A and contact B is equipped with；
Described ceramic bar is arranged on fixing plate and ceramic bar lower end is supported and is located on contact B free end, and ceramic bar upper end and upper cover are equipped with。
Further, described thermal cutoff device includes the fusing core that hot melting plastic is made, and fixing plate is provided with fusing hole, and fusing core is arranged in fusing hole, and fusing core upper end is equipped with upper cover；
It is provided with fusing spring between lower end and the dividing plate of described fusing core, is provided with, between fusing core lower end with fusing spring, the tripper coordinated with overheating interruption device。
Further, described tripper includes shift fork, and one end of shift fork is fixing with fusing spring upper end to be connected, and the other end of shift fork supports the top being located at contact A free end。
Further, described fusing core top is provided with the closing in groove less than himself external profile diameter。
Further, described fusing core upper end is provided with temperature sensing board, and temperature sensing board is flexibly connected with fixing plate and temperature sensing board and upper cover are equipped with。
Further, being provided with thermal sensitive piece between described fixing plate and upper cover, thermal sensitive piece and fixing plate are connected to elastic spring；Described thermal sensitive piece is equipped with upper cover, overheating interruption device and thermal cutoff device respectively。
Further, described elastic spring is arranged in horizontal " u "-shaped structure, and the lower side of elastic spring is fixing with fixing plate to be connected, and thermal sensitive piece is connected inclined shape and arranges with the upper side edge of elastic spring；The tilting end of described thermal sensitive piece is equipped with upper cover, overheating interruption device and thermal cutoff device respectively。
Further, described fixing plate is provided with draw-in groove, and the lower side of elastic spring is provided with bending inserted sheet, and draw-in groove is inserted in bending inserted sheet lower end makes elastic spring be fixedly connected on fixing plate。
Further, described thermal sensitive piece tilts end and is located at the top of ceramic bar, temperature sensing board, and thermal sensitive piece tilts end and is located at the lower section of upper cover。
Further, a kind of liquid heater using described integrated sensor。
Present invention have the beneficial effect that present configuration is reasonable, in loading during use, upper cover pushed down by pot, press under upper cover continue after contacting with critesistor descending, insulating support drives microswitch output to have a pot signal, now thermal sensitive piece upper cover drive under with ceramic bar, temperature sensing board contact start monitoring temperature, stroke limit plate controls the descending extreme position of upper cover, when interior pot temperature rise to anti-dry setting value, critesistor cuts off master control borad circuit realiration power-off protection, governor circuit causes that temperature rise continues to improve when cannot cut off, heater circuit is cut off in contact deformation, and circuit can be again switched on after the cooling of this contact；When temperature rise exceedes the anti-dry limit, temperature sensing board starts hot fuse function, is directly melted fusing core by high temperature, and force disconnect heater circuit realizes final protection；Thermal sensitive piece and insulating support, as stress parts, reduce the off-line problem of lead solder-joint, improve whole service life。
Accompanying drawing explanation
Fig. 1 is the overall detonation configuration schematic diagram of the present invention；
Fig. 2 is the sensing element detonation configuration schematic diagram of the present invention；
Fig. 3 is the mounted inside structural representation of the present invention；
Fig. 4 is the base depression angle perspective view of the present invention；
The original state that Fig. 5 is the present invention triggers demonstration schematic diagram；
Fig. 6 is part A view structure for amplifying schematic diagram in Fig. 5。
In figure:
1, base；11, installing plate；12, insulating boot；13, only row encloses；
14, upper cover；15, back-up ring；16, compression spring；17, fixing plate；
18, dividing plate；21, critesistor；22, insulating support；23, installing hole；
24, structure hole；25, gap；26, leaf spring；31, pin one A；
32, pin one B；33, contact A；34, contact B；35, ceramic bar；
36, elastic spring；37, thermal sensitive piece；41, fusing core；42, fusing spring；
43, temperature sensing board；44, shift fork；51, wing plate；52, pin two A；
53, pin two B；54, folding；55, contact C；56, tension spring；
57, pedestal；61, electric heating utensil；62, interior pot；63, heating pallet；
171, draw-in groove；181, wallboard；182, pillar；183, fusing hole；
184, upper limit plate；191, limited block；361, bending inserted sheet；411, closing in groove。
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated。
As shown in figures 1 to 6, a kind of integrated sensor of the present invention, including base 1, in base 1, it is provided with sensing element, the upper end of described base 1 is arranged with the upper cover 14 of self contained function corresponding thereto, is provided with compression spring 16 between base 1 and upper cover 14；Described upper cover 14 press down in stroke with in base 1 sensing element conflict linkage；As shown in Figure 5; base 1 is fixedly mounted in electric heating utensil 61 and sensing element electrically connects with electric heating utensil 61 master control borad; upper cover 14 can be arranged on heating pallet 63 up and downly; upper cover 14 noncontact relative to the sensing element in base 1 in an initial condition is arranged; electric heating utensil 61 put into by interior pot 62 makes upper cover press for 14 times; and then upper cover 14 realizes having pot to detect with sensing element conflict sensing element; heating pallet 63 generates heat and is conducted to sensing element by upper cover 14, and the temperature rise situation of the internal pot of sensing element is monitored and realizes overheated power-off protection by master control borad。
As shown in Figure 1, the outer rim of above-mentioned base 1 lower port is provided with the installing plate 11 of annular, the outer sheath of base 1 is provided with insulating boot 12, insulating boot 12 lower end is fixing with installing plate 11 to be connected, compression spring 16 is sheathed between insulating boot 12 and base 1, upper cover 14 is flexibly connected through insulating boot 12 upper port with it, and the two ends up and down of compression spring 16 are supported respectively and are located on upper cover 14 and installing plate 11；Upper cover 14 is up and down along insulating boot 12 inner edge thus the triggering Problem of Failure of avoiding lateral shift to cause；The outer rim of described installing plate 11 and bottom surface are provided with adapter structure thus improving efficiency of assembling, and installing plate 11 is connected with electric heating utensil 61 makes base 1 and sensing element fixed installation。
Only row circle 13 it is provided with in the upper port of above-mentioned insulating boot 12, the lower port outer rim of upper cover 14 is provided with back-up ring 15, the external profile diameter of back-up ring 15 is more than the inner edge diameter of only row circle 13, the two ends up and down of compression spring 16 are supported respectively and are located on back-up ring 15 and installing plate 11, thering is provided support force when providing and cushion and upspring for upper cover 14 when compression spring 16 is for 14 times pressures of upper cover, only row circle 13 coordinates the up limit travel limiting upper cover 14 with back-up ring 15。
Being provided with fixing plate 17 in above-mentioned base 1 upper port, fixing plate 17 side has breach, and described sensing element includes temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixing plate 17 breach and temperature-sensitive assembly is flexibly connected with base 1；Described fixing plate 17 is provided with the limited block 191 of restriction upper cover 14 downward storke；Upper cover presses through journey for 14 times and includes close to stroke and trigger stroke; upper cover 14 noncontact relative to the sensing element in base 1 in an initial condition is arranged; close to conflict temperature-sensitive assembly in stroke during upper cover 14 times pressure; enter during 13 times pressures of upper cover and trigger stroke drive temperature-sensitive assembly displacement downwardly together; trigger stroke when terminating upper cover 14 conflict limited block 191, now temperature-sensitive assembly enters temperature control protected mode。
Above-mentioned temperature-sensitive assembly includes critesistor 21 and insulating support 22, and critesistor 21 is connected with insulating support 22 upper end and lead-in wire on critesistor 21 is arranged on insulating support 22；The upper end of described insulating support 22 offers installing hole 23, installing hole 23 is connected with structure hole 24, the diameter of structure hole 24 is less than installing hole 23, having the gap 25 of through installing hole 23 and structure hole 24 respectively on the leading flank of insulating support 22, critesistor 21 lower end is embedded in installing hole 23 and the lead-in wire of critesistor 21 is arranged in structure hole 24；Critesistor 21 realizes quick assembling by the embedding structure of installing hole 23, and the lead-in wire of critesistor 21 is arranged in structure hole 24, replaces maintenance efficiency thus improving when critesistor 21 or lead wire fault。
Described insulating support 22 upper end makes critesistor 21 and limited block 191, upper cover 14 be equipped with through fixing plate 17 breach, is provided with leaf spring 26 between insulating support 22 lower end and base 1；Being transversely provided with dividing plate 18 in described base 1 and the inner space of base 1 is divided into epicoele and cavity of resorption, dividing plate 18 is provided with wallboard 181, and insulating support 22 can be located at intracavity on the base 1 of wallboard 181 side up and downly；Described wallboard 181 is transversely provided with the pillar 182 relative with insulating support 22, leaf spring 26 be sheathed on pillar 182 and leaf spring 26 two ends up and down respectively support be located on insulating support 22 lower end and dividing plate 18；Base 1 upper port of described fixing plate 17 indentation, there is provided with upper limit plate 184, conflicts with upper limit plate 184 and be connected in insulating support 22 upper end；Described leaf spring 26 provides downward cushion effect and upstroke support force for insulating support 22; base 1 inwall of dividing plate 18 front and back end forms the spacing partition in front and back of insulating support 22; insulating support 22 is up and down in base 1; thus keeping critesistor 22 to be connected with the close contact of upper cover 14 when 14 times pressures of upper cover, it is to avoid conduction of heat fracture causes sensor fault and loses the risk of overtemperature protection。
Above-mentioned sensing element also includes microswitch, microswitch is fixedly installed in base 1 and arranges with the linkage of temperature-sensitive assembly, upper cover 14 drives insulating support to press for 22 times in triggering stroke, and insulating support 22 lower end is provided with catch bar, and catch bar lower end and microswitch are conflicted and make it export a pot signal。
Above-mentioned microswitch includes pedestal 57, wing plate 51, pin two A52, pin two B53, contact C55 and tension spring 56；The lower end of described pin two A52 and pin two B53 is each passed through that the base plate of pedestal 57 is fixing with pedestal 57 to be connected, and pin two A52 and pin two B53 upper end are oppositely arranged, and pin two B53 upper end is transversely provided with folding 54；The fixing end of described contact C55 is connected to the upper end of pin two A52, and contact C55 horizontally set and its free end are located at the lower section of folding 54；Described wing plate 51 horizontally set and wing plate 51 one end are hinged with pedestal 57, and the two ends of tension spring 56 are connected with wing plate 51 other end and contact C55 respectively, and the lower end of insulating support 22 is connected on the other end of wing plate 51；Pedestal 57 is fixed at the lower intracavity of base 1, and insulating support 22 lower end is connected through dividing plate 18 with wing plate 51 conflict。
As in figure 2 it is shown, pin two A52 and pin two B53 forms two-stage terminal, contact C55 free end and folding 54 formation contact switch close to each other, the opposite face of contact C55 and folding 54 is equipped with contact to improve electrical connection stability；When upper cover is pressed into for 14 times into triggering stroke, insulating support 22 promotes wing plate 51 to rotate down, contact C55 produces bob under the effect of tension spring 56, and contact C55 free end contacts with folding 54 generation or the state of disjunction changes, and makes the output of microswitch two-stage terminal have a pot signal；Otherwise when upper cover 14 resets, under the effect of tension spring 56, wing plate 51 upwards reverses so that contact C55 free end contacts with folding 54 generation or the state change of disjunction, makes microswitch two-stage terminal export without pot signal。
Above-mentioned sensing element also includes overheating interruption device, and overheating interruption device is provided with thermal cutoff device connected in parallel, and described overheating interruption device and thermal cutoff device are each passed through fixing plate and are correspondingly arranged with upper cover 14。
Above-mentioned overheating interruption device includes pin one A31, pin one B32, contact A33, contact B34 and ceramic bar 35, pin one A31 and pin one B32 upper end are located in base 1 epicoele between fixing plate 17 and dividing plate 18, pin one A31, pin one B32 lower end be each passed through dividing plate 18 and fixing with dividing plate 18 be connected；The fixing end of described contact A33 is connected with pin one A31 upper end, and the fixing end of contact B34 is connected with pin one B32 upper end, and the free end of the free end of contact A33 and contact B34 is equipped with；Described ceramic bar 35 is arranged on fixing plate 17 and ceramic bar 35 lower end is supported and is located on contact B34 free end, and ceramic bar 35 upper end and upper cover 14 are equipped with。
As shown in Figure 2, the free end of the contact A33 and contact B34 that are located at differing heights is correspondingly formed step switch mechanism up and down, under original state, contact A33 and contact B34 is arranged in disconnecting, and fixing plate 17 is provided with the trigger mechanism being connected on contact A33, and trigger mechanism specifically describes below；Trigger mechanism is driven to make contact A33 deform when upper cover 14 enters contacting travel, upper cover 14 conflicts limited block 191 when terminating stroke, trigger mechanism band movable contact spring A33 conflict contact B34 forms connection, now upper cover 14 and ceramic bar 35 are conflicted, microswitch output has pot signal therefore pin one A31, the master control borad heater circuit that pin one B32 connects is connected, heating pallet 63 work starts internal pot 62 and heats, upper cover 14 is passed through in the temperature rise of interior pot 62, ceramic bar 35 conducts to contact B34, when contact B34 temperature rise value arrive deformation temperature time or upper cover 14 when upward stroke, contact A33 and contact B34 disconnects cut-out master control borad heater circuit makes heating pallet 63 stop heating。
Above-mentioned thermal cutoff device includes the fusing core 41 that hot melting plastic is made, and fixing plate 17 is provided with fusing hole 183, and fusing core 41 is arranged in fusing hole 183, and fusing core 41 upper end is equipped with upper cover 14；It is provided with fusing spring 42 between lower end and the dividing plate 18 of described fusing core 41, is provided with, between fusing core 41 lower end with fusing spring 42, the tripper coordinated with overheating interruption device；Described tripper includes shift fork 44, and one end of shift fork 44 is fixing with fusing spring 42 upper end to be connected, and the other end of shift fork 44 supports the top being located at contact A33 free end。
Above the trigger mechanism in overheating interruption device is all fusing core 41, and the overheated fusing thereby through fusing core 41 realizes the defencive function in parallel of overheating interruption device and thermal cutoff device；Upper cover 14 enters when triggering stroke; upper cover 14 drives fusing core 41 to press for 183 times along fusing hole; fusing spring 42 provides buffering and upstroke support force to fusing core 41; fusing spring 42 is blown core and presses contraction 41 times; the tripper band movable contact spring A33 deformation of fusing spring 42 upper end; the free end of contact A33 contacts connection with contact B34 downwards, thus activating the defencive function of overheating interruption device；When the temperature rise of interior pot 62 is too high, upper cover 14 exceedes its fusing value to the temperature of fusing core 14 conduction, and fusing core 14 melts so that the spring 42 that fuses upwardly extends reset, and tripper rises therewith simultaneously and makes contact A33 deformation recover to disconnect the connection with contact B34。
Above-mentioned fusing core 41 top is provided with the closing in groove 411 less than himself external profile diameter; when the temperature rise of fusing core 41 exceedes its fusing value; closing in groove 411 place can be blown to improve the corresponding of overtemperature protection faster; lower thermal cutoff device response time of avoiding being rapidly heated is long, it is prevented that cause electric heating utensil 61 entirety burn out or produce disaster hidden-trouble。
Above-mentioned fusing core 41 upper end is provided with temperature sensing board 43, and temperature sensing board 43 is flexibly connected with fixing plate 17 and temperature sensing board 43 is equipped with upper cover 14；Temperature sensing board 43 is for limiting the up extreme position of fusing core 41, in order to improve cushion effect and the reset support force of fusing spring 42 during assembling, under original state fusing spring 42 there is certain decrement, by temperature sensing board 43 make fusing core 41 can be up and down be assemblied in fusing hole 183 in。
Being provided with thermal sensitive piece 37 between above-mentioned fixing plate 17 and upper cover 14, thermal sensitive piece 37 and fixing plate 17 are connected to elastic spring 36；Described thermal sensitive piece 37 is equipped with upper cover 14, overheating interruption device and thermal cutoff device respectively；As shown in Figure 3, upper cover 14 is conflicted with thermal sensitive piece 37 when entering proximal to stroke, and then upper cover 14 drives critesistor 21 and thermal sensitive piece 37 to enter triggering stroke, when upper cover 14 conflicts limited block 191, stroke terminates, now upper cover 14 and thermal sensitive piece 37 fully in contact with, thermal sensitive piece 37 is then conflicted with temperature sensing board 43, ceramic bar 35 and conducts temperature rise；Thermal sensitive piece 37 and elastic spring 36 can improve triggering precision and the heat conduction efficiency of upper cover 14。
Above-mentioned elastic spring 36 is arranged in horizontal " u "-shaped structure, and the lower side of elastic spring 36 is fixing with fixing plate 17 to be connected, and thermal sensitive piece 37 is connected inclined shape and arranges with the upper side edge of elastic spring 36；The tilting end of described thermal sensitive piece 37 is equipped with upper cover 14, overheating interruption device and thermal cutoff device respectively。, thermal sensitive piece 37 tilts end and is located at the top of ceramic bar 35, temperature sensing board 43, and thermal sensitive piece 37 tilts end and is located at the lower section of upper cover 14
Above-mentioned fixing plate 17 is provided with draw-in groove 171, and the lower side of elastic spring 36 is provided with bending inserted sheet 361, and draw-in groove 171 is inserted in bending inserted sheet 361 lower end makes elastic spring 36 be fixedly connected on fixing plate 17；Bending inserted sheet 361 and draw-in groove 171 are connected the installation that can improve elastic spring 36 and thermal sensitive piece 37 and altitude mixture control efficiency。
A kind of liquid heater using described integrated sensor, described liquid heater includes electric cooker, electric cooking pot, electric pressure cooking saucepan etc.。
The above is only the better embodiment of the present invention, therefore all equivalences done according to the structure described in present patent application scope, feature and principle change or modify, and are all included within the scope of present patent application。
Claims (21)
1. an integrated sensor, including base (1), base is provided with sensing element in (1), it is characterized in that: the upper end of described base (1) is arranged with the upper cover (14) of self contained function corresponding thereto, between base (1) and upper cover (14), be provided with compression spring (16)；Described upper cover (14) press down in stroke with in base (1) sensing element conflict linkage；Fixing plate (17) it is provided with in described base (1) upper port, fixing plate (17) side has breach, described sensing element includes temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixing plate (17) breach and temperature-sensitive assembly is flexibly connected with base (1)；Described fixing plate (17) is provided with the limited block (191) of restriction upper cover (14) downward storke。
2. integrated sensor according to claim 1, it is characterized in that: the outer rim of described base (1) lower port is provided with the installing plate (11) of annular, the outer sheath of base (1) is provided with insulating boot (12), insulating boot (12) lower end is fixing with installing plate (11) to be connected, compression spring (16) is sheathed between insulating boot (12) and base (1), upper cover (14) is flexibly connected through insulating boot (12) upper port with it, the two ends up and down of compression spring (16) are supported respectively and are located on upper cover (14) and installing plate (11)。
3. integrated sensor according to claim 2, it is characterized in that: in the upper port of described insulating boot (12), be provided with only row circle (13), the lower port outer rim of upper cover (14) is provided with back-up ring (15), the external profile diameter of back-up ring (15) is more than the inner edge diameter of only row circle (13), and the two ends up and down of compression spring (16) are supported respectively and are located on back-up ring (15) and installing plate (11)。
4. integrated sensor according to claim 1, it is characterized in that: described temperature-sensitive assembly includes critesistor (21) and insulating support (22), critesistor (21) is connected with insulating support (22) upper end and lead-in wire on critesistor (21) is arranged on insulating support (22)；
Described insulating support (22) upper end makes critesistor (21) and limited block (191), upper cover (14) be equipped with through fixing plate (17) breach, is provided with leaf spring (26) between insulating support (22) lower end and base (1)。
5. integrated sensor according to claim 4, it is characterized in that: be transversely provided with dividing plate (18) in described base (1) and the inner space of base (1) is divided into epicoele and cavity of resorption, dividing plate (18) is provided with wallboard (181), and insulating support (22) can be located at the upper intracavity of base (1) of wallboard (181) side up and downly；
Being transversely provided with the pillar (182) relative with insulating support (22) on described wallboard (181), leaf spring (26) is sheathed on pillar (182) and the two ends up and down of leaf spring (26) are supported respectively and are located on insulating support (22) lower end and dividing plate (18)。
6. integrated sensor according to claim 5, it is characterized in that: base (1) upper port of described fixing plate (17) indentation, there is provided with upper limit plate (184), conflicts with upper limit plate (184) and is connected in insulating support (22) upper end。
7. the integrated sensor according to any one of claim 4-6, it is characterized in that: the upper end of described insulating support (22) offers installing hole (23), installing hole (23) is connected with structure hole (24), the diameter of structure hole (24) is less than installing hole (23), the leading flank of insulating support (22) has the gap (25) of through installing hole (23) and structure hole (24) respectively, critesistor (21) lower end is embedded in installing hole (23) and the lead-in wire of critesistor (21) is arranged in structure hole (24)。
8. integrated sensor according to claim 1, it is characterised in that: described sensing element also includes microswitch, and microswitch is fixedly installed in base (1) and arranges with the linkage of temperature-sensitive assembly。
9. integrated sensor according to claim 8, it is characterised in that: described microswitch includes pedestal (57), wing plate (51), pin two A (52), pin two B (53), contact C (55) and tension spring (56)；
The lower end of described pin two A (52) and pin two B (53) is each passed through that the base plate of pedestal (57) is fixing with pedestal (57) to be connected, pin two A (52) and pin two B (53) upper end are oppositely arranged, and pin two B (53) upper end is transversely provided with folding (54)；The fixing end of described contact C (55) is connected to the upper end of pin two A (52), and contact C (55) horizontally set and its free end are located at the lower section of folding (54)；
Described wing plate (51) horizontally set and wing plate (51) one end are hinged with pedestal (57), the two ends of tension spring (56) are connected with wing plate (51) other end and contact C (55) respectively, and the lower end of insulating support (22) is connected on the other end of wing plate (51)。
10. integrated sensor according to claim 9, it is characterized in that: described pedestal (57) is fixed at the lower intracavity of base (1), insulating support (22) lower end is connected through dividing plate (18) with wing plate (51) conflict。
11. integrated sensor according to claim 1, it is characterized in that: described sensing element also includes overheating interruption device, overheating interruption device is provided with thermal cutoff device connected in parallel, and described overheating interruption device and thermal cutoff device are each passed through fixing plate and are correspondingly arranged with upper cover (14)。
12. integrated sensor according to claim 11, it is characterized in that: described overheating interruption device includes pin one A (31), pin one B (32), contact A (33), contact B (34) and ceramic bar (35), pin one A (31) and pin one B (32) upper end are located in base (1) epicoele between fixing plate (17) and dividing plate (18), pin one A (31), pin one B (32) lower end be each passed through dividing plate (18) and fixing with dividing plate (18) be connected；
The fixing end of described contact A (33) is connected with pin one A (31) upper end, the fixing end of contact B (34) is connected with pin one B (32) upper end, and the free end of the free end of contact A (33) and contact B (34) is equipped with；
Described ceramic bar (35) is arranged on fixing plate (17) and ceramic bar (35) lower end is supported and is located on contact B (34) free end, and ceramic bar (35) upper end and upper cover (14) are equipped with。
13. integrated sensor according to claim 11, it is characterized in that: described thermal cutoff device includes the fusing core (41) that hot melting plastic is made, fixing plate (17) is provided with fusing hole (183), fusing core (41) is arranged in fusing hole (183), and fusing core (41) upper end is equipped with upper cover (14)；
It is provided with fusing spring (42) between lower end and the dividing plate (18) of described fusing core (41), is provided with, between fusing core (41) lower end and fusing spring (42), the tripper coordinated with overheating interruption device。
14. integrated sensor according to claim 13, it is characterized in that: described tripper includes shift fork (44), one end of shift fork (44) is fixing with fusing spring (42) upper end to be connected, and the other end of shift fork (44) supports the top being located at contact A (33) free end。
15. integrated sensor according to claim 13, it is characterised in that: described fusing core (41) top is provided with the closing in groove (411) less than himself external profile diameter。
16. integrated sensor according to claim 13, it is characterized in that: described fusing core (41) upper end is provided with temperature sensing board (43), temperature sensing board (43) is flexibly connected with fixing plate (17) and temperature sensing board (43) is equipped with upper cover (14)。
17. integrated sensor according to claim 11, it is characterized in that: being provided with thermal sensitive piece (37) between described fixing plate (17) and upper cover (14), thermal sensitive piece (37) and fixing plate (17) are connected to elastic spring (36)；Described thermal sensitive piece (37) is equipped with upper cover (14), overheating interruption device and thermal cutoff device respectively。
18. integrated sensor according to claim 17, it is characterized in that: described elastic spring (36) is arranged in horizontal " u "-shaped structure, the lower side of elastic spring (36) is fixing with fixing plate (17) to be connected, and thermal sensitive piece (37) is connected inclined shape and arranges with the upper side edge of elastic spring (36)；The tilting end of described thermal sensitive piece (37) is equipped with upper cover (14), overheating interruption device and thermal cutoff device respectively。
19. integrated sensor according to claim 18, it is characterized in that: described fixing plate (17) is provided with draw-in groove (171), the lower side of elastic spring (36) is provided with bending inserted sheet (361), and draw-in groove (171) is inserted in bending inserted sheet (361) lower end makes elastic spring (36) be fixedly connected on fixing plate (17)。
20. integrated sensor according to claim 18, it is characterized in that: described thermal sensitive piece (37) tilts end and is located at the top of ceramic bar (35), temperature sensing board (43), and thermal sensitive piece (37) tilts end and is located at the lower section of upper cover (14)。
21. a liquid heater, it is characterised in that: it includes the arbitrary described integrated sensor of claim 1-6 and 8-20。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214517.5A CN104797014B (en) | 2015-04-30 | 2015-04-30 | A kind of integrated sensor |
| JP2017544006A JP2018512898A (en) | 2015-04-30 | 2016-04-15 | Integrated sensor |
| PCT/CN2016/079459 WO2016173413A1 (en) | 2015-04-30 | 2016-04-15 | Integrated sensor |
| KR1020177023981A KR102013051B1 (en) | 2015-04-30 | 2016-04-15 | Integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214517.5A CN104797014B (en) | 2015-04-30 | 2015-04-30 | A kind of integrated sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104797014A CN104797014A (en) | 2015-07-22 |
| CN104797014B true CN104797014B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214517.5A Active CN104797014B (en) | 2015-04-30 | 2015-04-30 | A kind of integrated sensor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2018512898A (en) |
| KR (1) | KR102013051B1 (en) |
| CN (1) | CN104797014B (en) |
| WO (1) | WO2016173413A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797014B (en) * | 2015-04-30 | 2016-06-22 | 佛山市川东磁电股份有限公司 | A kind of integrated sensor |
| CN105788962B (en) * | 2016-04-18 | 2018-12-14 | 佛山市川东磁电股份有限公司 | A kind of fixed structure of sensor |
| CN110613354B (en) * | 2018-06-20 | 2022-02-25 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and be used for detection subassembly of cooking utensil |
| CN111968879B (en) * | 2020-09-18 | 2024-06-04 | 佛山市川东磁电股份有限公司 | Magnetic steel sensor |
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-
2015
- 2015-04-30 CN CN201510214517.5A patent/CN104797014B/en active Active
-
2016
- 2016-04-15 KR KR1020177023981A patent/KR102013051B1/en active IP Right Grant
- 2016-04-15 WO PCT/CN2016/079459 patent/WO2016173413A1/en active Application Filing
- 2016-04-15 JP JP2017544006A patent/JP2018512898A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170137710A (en) | 2017-12-13 |
| JP2018512898A (en) | 2018-05-24 |
| CN104797014A (en) | 2015-07-22 |
| WO2016173413A1 (en) | 2016-11-03 |
| KR102013051B1 (en) | 2019-08-21 |
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