CN204707292U - A kind of integrated sensor and use the liquid heater of this integrated sensor - Google Patents

Abstract

The utility model relates to temperature control sensor technical field, particularly a kind of integrated sensor.Comprise base, be 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 Compress Spring between base and upper cover; Described upper cover links pressing down in stroke to conflict with the sensing element in base.The utility model is rational in infrastructure, and when interior pot temperature rise is to anti-dry set point, thermistor cuts off master control borad circuit realiration power-off protection, again can connect circuit after the cooling of this contact; When temperature rise exceedes the anti-dry limit, temperature sensing board starts hot fuse function, directly melts fusing core by high temperature, and force disconnect heater circuit realizes final protection; Thermal sensitive piece and insulating support, as stress reaction parts, reduce the off-line problem of lead solder-joint, improve whole service life, and the utility model also discloses the liquid heater using this integrated sensor.

Description

A kind of integrated sensor and use the liquid heater of this integrated sensor

Technical field

The utility model relates to temperature control sensor technical field, particularly a kind of integrated sensor and use the liquid heater of this integrated sensor.

Background technology

Chinese patent CN201422761Y discloses a kind of anti-dry burning device of microswitch type, comprise mounting cup, sensitive switch and switch supporting plate, sensitive switch arranges with in mounting cup, mounting cup is arranged on switch supporting plate, and be provided with back-moving spring between mounting cup and switch supporting plate, switch supporting plate is fixed on mounting base, the heater circuit on sensitive switch connection mounting base is exercised under mounting cup entirety during use, heater circuit is in series with temperature-sensitive assembly, when mounting cup is released, then disconnects heater circuit.

This vibrational power flow causes each workpiece to be integrally fixedly connected with mounting panel, selects in the pressure-driven of interior pot, and then produces knee-action realization without pot and detection, and the lead-in wire of workpiece constantly bends and extends and easily makes each node occur the problem of loose contact.

Summary of the invention

The purpose of this utility model is defect for prior art and deficiency, provide 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 utility model is by the following technical solutions:

A kind of integrated sensor described in the utility model, comprises base, is provided with sensing element in base, and the upper end of described base is arranged with the upper cover of self contained function corresponding thereto, is provided with Compress Spring between base and upper cover; Described upper cover links pressing down in stroke to conflict with the sensing element in base.

Further, the outer rim of described base lower port is provided with the mounting panel of annular, the outside of base is arranged with insulating cover, insulating cover lower end is fixedly connected with mounting panel, Compress Spring is sheathed between insulating cover and base, upper cover is flexibly connected with it through insulating cover upper port, and the two ends up and down of Compress Spring are respectively to being located on upper cover and mounting panel.

Further, be provided with only row circle in the upper port of described insulating cover, the lower port outer rim of upper cover is provided with back-up ring, and the external profile diameter of back-up ring is greater than the inner edge diameter of only row circle, and the two ends up and down of Compress Spring are respectively to being located on back-up ring and mounting panel.

Further, be provided with fixed head in described base upper port, fixed head side has breach, and described sensing element comprises temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixed head breach and temperature-sensitive assembly is flexibly connected with base; Described fixed head is provided with the guide vane end stop of restriction upper cover downward storke.

Further, described temperature-sensitive assembly comprises thermistor and insulating support, and thermistor is connected with insulating support upper end and lead-in wire on thermistor is arranged on insulating support;

Described insulating support upper end makes thermistor and guide vane end stop, upper cover be equipped with through fixed head breach, is provided with leaf spring between insulating support lower end and base.

Further, in described base, being laterally provided with dividing plate is divided into epicoele and cavity of resorption by the inner space of base, and dividing plate is provided with wallboard, and insulating support can be located in the base epicoele of wallboard side up and downly;

Described wallboard is laterally provided with the pillar relative with insulating support, and leaf spring is sheathed on pillar and the two ends up and down of leaf spring respectively to being located on insulating support lower end and dividing plate.

Further, the base upper port of described fixed head 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, structure hole is provided with below installing hole, the diameter of structure hole is less than installing hole, the leading flank of insulating support has the gap of respectively through installing hole and structure hole, thermistor lower end is embedded in installing hole and the lead-in wire of thermistor is arranged in structure hole.

Further, described sensing element also comprises sensitive switch, and sensitive switch to be fixedly installed in base and to link with temperature-sensitive assembly and arranges.

Further, described sensitive switch comprises pedestal, wing plate, pin two A, pin two B, contact C and tension spring;

The base plate that described pin two A and the lower end of pin two B are each passed through pedestal is fixedly connected with pedestal, and pin two A and pin two B upper end are oppositely arranged, and pin two B upper end is laterally provided with folding; The stiff 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 below of folding;

Described wing plate horizontally set and wing plate one end and pedestal hinged, 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 in the cavity of resorption of base, conflicts with wing plate through dividing plate and be connected in insulating support lower end.

Further, described sensing element also comprises overheating interruption device, and overheating interruption device is provided with the thermal cutoff device in parallel with it, and described overheating interruption device and thermal cutoff device are each passed through that fixed head is corresponding with upper cover to be arranged.

Further, described overheating interruption device comprises 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 fixed head and dividing plate, and the lower end of pin one A, pin one B is each passed through dividing plate and is fixedly connected with dividing plate;

The stiff end of described contact A is connected with pin one A upper end, and the stiff end of contact B is connected with pin one B upper end, and the free end of contact A and the free end of contact B are equipped with;

Described ceramic bar is arranged on fixed head and ceramic bar lower end to being located on contact B free end, and ceramic bar upper end and upper cover are equipped with.

Further, described thermal cutoff device comprises the fusing core that hot melting plastic is made, and fixed head is provided with fusing hole, and fusing core is arranged in fusing hole, and fusing core upper end and upper cover are equipped with;

Be provided with fusing spring between the lower end of described fusing core and dividing plate, between fusing core lower end with fusing spring, be provided with the tripper coordinated with overheating interruption device.

Further, described tripper comprises shift fork, and one end of shift fork is fixedly connected with fusing spring upper end, and the other end of shift fork is to the top being located at contact A free end.

Further, described fusing core top is provided with the closing in groove being 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 fixed head and temperature sensing board and upper cover are equipped with.

Further, be provided with thermal sensitive piece between described fixed head and upper cover, thermal sensitive piece and fixed head are connected with elastic spring; Described thermal sensitive piece is equipped with upper cover, overheating interruption device and thermal cutoff device respectively.

Further, described elastic spring is in horizontal " U " shape vibrational power flow, and the lower side of elastic spring is fixedly connected with fixed head, and thermal sensitive piece is connected in skewed setting 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 fixed head 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 fixed head.

Further, described thermal sensitive piece tilts the top that end is located at ceramic bar, temperature sensing board, and thermal sensitive piece tilts the below that end is located at upper cover.

Further, a kind of liquid heater using described integrated sensor.

The utility model beneficial effect is: the utility model is rational in infrastructure, in loading during use, upper cover pushed down by pot, upper cover continues descending after pressing down and contacting with thermistor, insulating support drives sensitive switch to export 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 is to anti-dry set point, thermistor cuts off master control borad circuit realiration power-off protection, temperature rise is caused to continue to improve when governor circuit cannot cut off, heater circuit is cut off in contact distortion, and again can connect circuit after the cooling of this contact, when temperature rise exceedes the anti-dry limit, temperature sensing board starts hot fuse function, directly melts fusing core by high temperature, and force disconnect heater circuit realizes final protection, thermal sensitive piece and insulating support, as stress reaction parts, reduce the off-line problem of lead solder-joint, improve whole service life.

Accompanying drawing explanation

Fig. 1 is overall detonation configuration schematic diagram of the present utility model;

Fig. 2 is sensing element detonation configuration schematic diagram of the present utility model;

Fig. 3 is mounted inside structural representation of the present utility model;

Fig. 4 is base depression angle of the present utility model perspective view;

Fig. 5 is initial condition trigger demo schematic diagram of the present utility model;

Fig. 6 is part A view structure for amplifying schematic diagram in Fig. 5.

In figure:

1, base; 11, mounting panel; 12, insulating cover; 13, only row encloses;

14, upper cover; 15, back-up ring; 16, Compress Spring; 17, fixed head;

18, dividing plate; 21, thermistor; 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, fuse core; 42, fuse 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, heated tray;

171, draw-in groove; 181, wallboard; 182, pillar; 183, fuse hole;

184, upper limit plate; 191, guide vane end stop; 361, bending inserted sheet; 411, closing in groove.

Embodiment

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in figures 1 to 6, a kind of integrated sensor described in the utility model, comprises base 1, is provided with sensing element in base 1, and the upper end of described base 1 is arranged with the upper cover 14 of self contained function corresponding thereto, is provided with Compress Spring 16 between base 1 and upper cover 14; Described upper cover 14 links pressing down in stroke to conflict with the sensing element in base 1; As shown in Figure 5; base 1 is fixedly mounted in electric heating utensil 61 and sensing element is electrically connected with electric heating utensil 61 master control borad; upper cover 14 can be arranged on heated tray 63 up and downly; upper cover 14 in an initial condition noncontact relative to the sensing element in base 1 is arranged; electric heating utensil 61 put into by interior pot 62 makes upper cover 14 press down; and then upper cover 14 realizes pot with sensing element conflict sensing element and detects; heated tray 63 generates heat and conducts to sensing element by upper cover 14, and the temperature rise situation of the internal pot of sensing element is carried out monitoring and realized 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 mounting panel 11 of annular, the outside of base 1 is arranged with insulating cover 12, insulating cover 12 lower end is fixedly connected with mounting panel 11, Compress Spring 16 is sheathed between insulating cover 12 and base 1, upper cover 14 is flexibly connected with it through insulating cover 12 upper port, and the two ends up and down of Compress Spring 16 are respectively to being located on upper cover 14 and mounting panel 11; Upper cover 14 is the up and down thus triggering Problem of Failure avoiding lateral shift to cause along insulating cover 12 inner edge; The outer rim of described mounting panel 11 and bottom surface are provided with adapter structure thus improve efficiency of assembling, and mounting panel 11 is connected with electric heating utensil 61 makes base 1 and sensing element fixedly mount.

Only row circle 13 is provided with in the upper port of above-mentioned insulating cover 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 greater than the inner edge diameter of only row circle 13, the two ends up and down of Compress Spring 16 are respectively to being located on back-up ring 15 and mounting panel 11, Compress Spring 16 provides buffering when pressing down for upper cover 14 and for providing support power when upper cover 14 is upspring, only row circle 13 coordinates the up limit travel limiting upper cover 14 with back-up ring 15.

Be provided with fixed head 17 in above-mentioned base 1 upper port, fixed head 17 side has breach, and described sensing element comprises temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixed head 17 breach and temperature-sensitive assembly is flexibly connected with base 1; Described fixed head 17 is provided with the guide vane end stop 191 of restriction upper cover 14 downward storke; Upper cover 14 presses down process and comprises close to stroke and trigger stroke; upper cover 14 in an initial condition noncontact relative to the sensing element in base 1 is arranged; close to temperature-sensitive assembly of conflicting in stroke when upper cover 14 presses down; upper cover 13 enters when pressing down and triggers stroke drive temperature-sensitive assembly together to bottom offset; trigger upper cover 14 at the end of stroke to conflict guide vane end stop 191, now temperature-sensitive assembly enters temperature control protected mode.

Above-mentioned temperature-sensitive assembly comprises thermistor 21 and insulating support 22, and thermistor 21 is connected with insulating support 22 upper end and lead-in wire on thermistor 21 is arranged on insulating support 22; The upper end of described insulating support 22 offers installing hole 23, structure hole 24 is provided with below installing hole 23, the diameter of structure hole 24 is less than installing hole 23, the leading flank of insulating support 22 has the gap 25 of respectively through installing hole 23 and structure hole 24, thermistor 21 lower end is embedded in installing hole 23 and the lead-in wire of thermistor 21 is arranged in structure hole 24; Thermistor 21 realizes quick assembling by the embedding structure of installing hole 23, and the lead-in wire of thermistor 21 is arranged in structure hole 24, thus improves replacement maintenance efficiency when thermistor 21 or lead wire fault.

Described insulating support 22 upper end makes thermistor 21 and guide vane end stop 191, upper cover 14 be equipped with through fixed head 17 breach, is provided with leaf spring 26 between insulating support 22 lower end and base 1; In described base 1, being laterally provided with dividing plate 18 is divided into epicoele and cavity of resorption by the inner space of base 1, and dividing plate 18 is provided with wallboard 181, and insulating support 22 can be located in base 1 epicoele of wallboard 181 side up and downly; Described wallboard 181 is laterally provided with the pillar 182 relative with insulating support 22, and leaf spring 26 is sheathed on the pillar 182 and two ends up and down of leaf spring 26 respectively to being located on insulating support 22 lower end and dividing plate 18; Base 1 upper port of described fixed head 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 ascending branch 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 keep thermistor 22 to be connected with the close contact of upper cover 14 when upper cover 14 presses down, avoid heat transfer to rupture and cause sensor fault and the risk losing overtemperature protection.

Above-mentioned sensing element also comprises sensitive switch, sensitive switch to be fixedly installed in base 1 and to link with temperature-sensitive assembly and arranges, upper cover 14 drives insulating support 22 to press down in triggering stroke, and insulating support 22 lower end is provided with catch bar, and catch bar lower end and sensitive switch are conflicted and made it export a pot signal.

Above-mentioned sensitive switch comprises pedestal 57, wing plate 51, pin two A52, pin two B53, contact C55 and tension spring 56; The base plate that described pin two A52 and the lower end of pin two B53 are each passed through pedestal 57 is fixedly connected with pedestal 57, and pin two A52 and pin two B53 upper end are oppositely arranged, and pin two B53 upper end is laterally provided with folding 54; The stiff 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 below of folding 54; Described wing plate 51 horizontally set and wing plate 51 one end and pedestal 57 hinged, 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 in the cavity of resorption of base 1, conflicts with wing plate 51 through dividing plate 18 and be connected in insulating support 22 lower end.

As shown in Figure 2, pin two A52 and pin two B53 forms two-stage terminal, contact C55 free end and folding 54 formation contact-making 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 14 press down enter trigger stroke time, insulating support 22 promotes wing plate 51 and rotates, contact C55 produces bob under the effect of tension spring 56, and contact C55 free end and folding 54 produce and contact or the state variation of disjunction, and sensitive switch two-stage terminal is exported a pot signal; Otherwise when upper cover 14 resets, under the effect of tension spring 56, wing plate 51 upwards reverses thus makes contact C55 free end and folding 54 produce to contact or the state variation of disjunction, makes sensitive switch two-stage terminal export without pot signal.

Above-mentioned sensing element also comprises overheating interruption device, and overheating interruption device is provided with the thermal cutoff device in parallel with it, and described overheating interruption device and thermal cutoff device are each passed through that fixed head is corresponding with upper cover 14 to be arranged.

Above-mentioned overheating interruption device comprises 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 fixed head 17 and dividing plate 18, and the lower end of pin one A31, pin one B32 is each passed through dividing plate 18 and is fixedly connected with dividing plate 18; The stiff end of described contact A33 is connected with pin one A31 upper end, and the stiff end of contact B34 is connected with pin one B32 upper end, and the free end of contact A33 and the free end of contact B34 are equipped with; Described ceramic bar 35 is arranged on fixed head 17 and ceramic bar 35 lower end to being located on contact B34 free end, and ceramic bar 35 upper end and upper cover 14 are equipped with.

As shown in Figure 2, be located at the contact A33 of differing heights and the free end corresponding formation step switch mechanism up and down of contact B34, under initial condition, contact A33 and contact B34 is arranged in disconnecting, and fixed head 17 is provided with the trigger mechanism be connected on contact A33, and trigger mechanism is hereafter specifically describing, upper cover 14 drives trigger mechanism that contact A33 is out of shape when entering contacting travel, upper cover 14 conflicts guide vane end stop 191 when stopping stroke, trigger mechanism band movable contact spring A33 conflict contact B34 forms connection, now upper cover 14 and ceramic bar 35 are conflicted, sensitive switch exports pot signal therefore pin one A31, the master control borad heater circuit that pin one B32 connects is connected, heated tray 63 work starts internal pot 62 and heats, the temperature rise of interior pot 62 is by upper cover 14, ceramic bar 35 conducts to contact B34, when contact B34 temperature rise value arrive deformation temperature time or upper cover 14 at upward stroke time, contact A33 and contact B34 disconnects cut-out master control borad heater circuit makes heated tray 63 stop heating.

Above-mentioned thermal cutoff device comprises the fusing core 41 that hot melting plastic is made, and fixed head 17 is provided with fusing hole 183, and fusing core 41 is arranged in fusing hole 183, and fusing core 41 upper end and upper cover 14 are equipped with; Be provided with the spring 42 that fuses between the lower end of described fusing core 41 and dividing plate 18, between fusing core 41 lower end with fusing spring 42, be provided with the tripper coordinated with overheating interruption device; Described tripper comprises shift fork 44, and one end of shift fork 44 is fixedly connected with fusing spring 42 upper end, and the other end of shift fork 44 is to the top being located at contact A33 free end.

Trigger mechanism above in overheating interruption device is all fusing core 41, thus realizes the defencive function in parallel of overheating interruption device and thermal cutoff device by the overheated fusing of the core 41 that fuses; When upper cover 14 enters and triggers stroke, upper cover 14 drives fusing core 41 to press down along fusing hole 183, fusing spring 42 provides buffering and ascending branch support force to fusing core 41, fusing spring 42 is pressed down contraction by fusing core 41, the tripper band movable contact spring A33 of fusing spring 42 upper end is out of shape, the free end of contact A33 contacts with contact B34 downwards and is communicated with, thus activates the defencive function of overheating interruption device; When the temperature rise of interior pot 62 is too high, the temperature that upper cover 14 conducts to fusing core 14 exceedes its fusing value, and fusing core 14 melts thus makes fusing spring 42 upwards extend reset, and tripper rises simultaneously thereupon 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 being 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 fused to improve the corresponding of overtemperature protection faster; lower thermal cutoff device response time of avoiding being rapidly heated is long, prevents from causing 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 fixed head 17 and temperature sensing board 43 and upper cover 14 are equipped with; 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, fusing spring 42 under initial condition has certain decrement, by temperature sensing board 43 make fusing core 41 can be up and down be assemblied in fusing hole 183 in.

Be provided with thermal sensitive piece 37 between above-mentioned fixed head 17 and upper cover 14, thermal sensitive piece 37 and fixed head 17 are connected with 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 enter close to during stroke and thermal sensitive piece 37 conflict, and then upper cover 14 drives thermistor 21 and thermal sensitive piece 37 to enter triggering stroke, when upper cover 14 conflicts guide vane end stop 191, stroke terminates, now upper cover 14 contacts completely with thermal sensitive piece 37, and thermal sensitive piece 37 and temperature sensing board 43, ceramic bar 35 are conflicted and conduct 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 in horizontal " U " shape vibrational power flow, and the lower side of elastic spring 36 is fixedly connected with fixed head 17, and thermal sensitive piece 37 is connected in skewed setting 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 the top that end is located at ceramic bar 35, temperature sensing board 43, and thermal sensitive piece 37 tilts the below that end is located at upper cover 14

Above-mentioned fixed head 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 fixed head 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 highly regulate efficiency.

Use a liquid heater for described integrated sensor, described liquid heater comprises electric cooker, electric cooking pot, electric pressure cooker etc.

The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.

Claims (22)

1. an integrated sensor, comprise 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, is provided with Compress Spring (16) between base (1) and upper cover (14); Described upper cover (14) links pressing down in stroke to conflict with the sensing element in base (1).

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 mounting panel (11) of annular, the outside of base (1) is arranged with insulating cover (12), insulating cover (12) lower end is fixedly connected with mounting panel (11), Compress Spring (16) is sheathed between insulating cover (12) and base (1), upper cover (14) is flexibly connected with it through insulating cover (12) upper port, the two ends up and down of Compress Spring (16) are respectively to being located on upper cover (14) and mounting panel (11).

3. integrated sensor according to claim 2, it is characterized in that: in the upper port of described insulating cover (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 greater than the inner edge diameter of only row circle (13), and the two ends up and down of Compress Spring (16) are respectively to being located on back-up ring (15) and mounting panel (11).

4. integrated sensor according to claim 1, it is characterized in that: in described base (1) upper port, be provided with fixed head (17), fixed head (17) side has breach, described sensing element comprises temperature-sensitive assembly, and temperature-sensitive assembly is arranged in fixed head (17) breach and temperature-sensitive assembly is flexibly connected with base (1); Described fixed head (17) is provided with the guide vane end stop (191) of restriction upper cover (14) downward storke.

5. integrated sensor according to claim 4, it is characterized in that: described temperature-sensitive assembly comprises thermistor (21) and insulating support (22), thermistor (21) is connected with insulating support (22) upper end and lead-in wire on thermistor (21) is arranged on insulating support (22);

Described insulating support (22) upper end makes thermistor (21) and guide vane end stop (191), upper cover (14) be equipped with through fixed head (17) breach, is provided with leaf spring (26) between insulating support (22) lower end and base (1).

6. integrated sensor according to claim 5, it is characterized in that: in described base (1), being laterally provided with dividing plate (18) is divided into epicoele and cavity of resorption by the inner space of base (1), dividing plate (18) is provided with wallboard (181), and insulating support (22) can be located in base (1) epicoele of wallboard (181) side up and downly;

Described wallboard (181) is laterally provided with the pillar (182) relative with insulating support (22), and leaf spring (26) is sheathed on pillar (182) and the two ends up and down of leaf spring (26) respectively to being located on insulating support (22) lower end and dividing plate (18).

7. integrated sensor according to claim 6, it is characterized in that: base (1) upper port of described fixed head (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.

8. according to the arbitrary described integrated sensor of claim 5-7, it is characterized in that: the upper end of described insulating support (22) offers installing hole (23), installing hole (23) below is provided 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, thermistor (21) lower end is embedded in installing hole (23) and the lead-in wire of thermistor (21) is arranged in structure hole (24).

9. integrated sensor according to claim 4, is characterized in that: described sensing element also comprises sensitive switch, and sensitive switch to be fixedly installed in base (1) and to link with temperature-sensitive assembly and arranges.

10. integrated sensor according to claim 9, is characterized in that: described sensitive switch comprises pedestal (57), wing plate (51), pin two A (52), pin two B (53), contact C (55) and tension spring (56);

The base plate that described pin two A (52) and the lower end of pin two B (53) are each passed through pedestal (57) is fixedly connected with pedestal (57), pin two A (52) and pin two B (53) upper end are oppositely arranged, and pin two B (53) upper end is laterally provided with folding (54); The stiff 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 below of folding (54);

Described wing plate (51) horizontally set and wing plate (51) one end and pedestal (57) hinged, 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).

11. integrated sensors according to claim 10, it is characterized in that: described pedestal (57) is fixed in the cavity of resorption of base (1), conflicts with wing plate (51) through dividing plate (18) and is connected in insulating support (22) lower end.

12. integrated sensors according to claim 4, it is characterized in that: described sensing element also comprises overheating interruption device, overheating interruption device is provided with the thermal cutoff device in parallel with it, and described overheating interruption device and thermal cutoff device are each passed through that fixed head is corresponding with upper cover (14) to be arranged.

13. integrated sensors according to claim 12, it is characterized in that: described overheating interruption device comprises 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 fixed head (17) and dividing plate (18), and the lower end of pin one A (31), pin one B (32) is each passed through dividing plate (18) and is fixedly connected with dividing plate (18);

The stiff end of described contact A (33) is connected with pin one A (31) upper end, the stiff end of contact B (34) is connected with pin one B (32) upper end, and the free end of contact A (33) and the free end of contact B (34) are equipped with;

Described ceramic bar (35) is arranged on fixed head (17) and ceramic bar (35) lower end to being located on contact B (34) free end, and ceramic bar (35) upper end and upper cover (14) are equipped with.

14. integrated sensors according to claim 12, it is characterized in that: described thermal cutoff device comprises the fusing core (41) that hot melting plastic is made, fixed head (17) is provided with fusing hole (183), fusing core (41) is arranged in fusing hole (183), and fusing core (41) upper end and upper cover (14) are equipped with;

Be provided with the spring (42) that fuses between the lower end of described fusing core (41) and dividing plate (18), fusing core (41) lower end is provided with between fusing spring (42) tripper coordinated with overheating interruption device.

15. integrated sensors according to claim 14, it is characterized in that: described tripper comprises shift fork (44), one end of shift fork (44) is fixedly connected with fusing spring (42) upper end, and the other end of shift fork (44) is to the top being located at contact A (33) free end.

16. integrated sensors according to claim 14, is characterized in that: described fusing core (41) top is provided with the closing in groove (411) being less than himself external profile diameter.

17. integrated sensors according to claim 14, 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 fixed head (17) and temperature sensing board (43) and upper cover (14) are equipped with.

18. integrated sensors according to claim 12, it is characterized in that: be provided with thermal sensitive piece (37) between described fixed head (17) and upper cover (14), thermal sensitive piece (37) and fixed head (17) are connected with elastic spring (36); Described thermal sensitive piece (37) is equipped with upper cover (14), overheating interruption device and thermal cutoff device respectively.

19. integrated sensors according to claim 18, it is characterized in that: described elastic spring (36) is in horizontal " U " shape vibrational power flow, the lower side of elastic spring (36) is fixedly connected with fixed head (17), and thermal sensitive piece (37) is connected in skewed setting 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.

20. integrated sensors according to claim 19, it is characterized in that: described fixed head (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 fixed head (17).

21. integrated sensors according to claim 19, it is characterized in that: described thermal sensitive piece (37) tilts the top that end is located at ceramic bar (35), temperature sensing board (43), and thermal sensitive piece (37) tilts the below that end is located at upper cover (14).

22. 1 kinds of liquid heaters, is characterized in that: it comprises the arbitrary described integrated sensor of claim 1-7 and 9-21.