CN1149437A - Temperature detecting device for cooking device - Google Patents
Temperature detecting device for cooking device Download PDFInfo
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- CN1149437A CN1149437A CN 95121520 CN95121520A CN1149437A CN 1149437 A CN1149437 A CN 1149437A CN 95121520 CN95121520 CN 95121520 CN 95121520 A CN95121520 A CN 95121520A CN 1149437 A CN1149437 A CN 1149437A
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Abstract
This invention provides a temp. detector for cooker. Its scheme is as follows: a conducting post (128) is set up on the base of magnet constituting a mounted magnet (111) for making a detecting element (107) to actuate, and a conducting hole (130) is provided to receive the above-mentioned conducting post and to make the base (102) move up and down on the inner side of base (102) constituting the heat-sensor (104). The said device can decreas ethe number of elements and further decrease the number of magnets for actuating the detecting element to detect whether there is any heated body, and thus the miniaturization is easily realized.
Description
The present invention relates to by outer pot with can be relative use on the electric cookers such as the steam rice cooker formed of the interior pot of these outer pot mounting or dismounting, steamed rice container with detect by heater be in the temperature-detecting device used of the cooking device of pot temperature.
As shown in figure 16, the ring-type hot plate 212 of dress electric heater in existing electric cooker is provided with on outer pot (not shown) inner bottom part.Central authorities at this hot plate 212 are formed with opening.The cylinder-like shell body 206 at the configuration band end in the opening of hot plate 212, the upper rim of this shell body is fixed on the edge of opening of hot plate 212.
The sensitive component 201 that can move up and down is installed in inside at shell body 206.On sensitive component 201, also resemble and dispose thermistor 204 as shown in Figure 17, the temperature of pot 200 in thermistor 204 is used to detect.
The lid 203 that sensitive component 201 is made by the good conductor material of heat covers.Thermistor 204 fixed parts 213 be fixed on cover 203 below.Thermistor 204 is by protection tube 207 protections of electric insulation.
At the bottom of fixed part 213 installation base plate 219.Configuration magnetic wire switch 208 on substrate 219.The lead-in wire of the lead of magnetic wire switch 208 and thermistor 204 and drawing with lead 220 is welded in respectively on the substrate 219.Movably sensitive component 1 is by supporting by the helical spring 209 that inner housing 202 opposite shell bodies 206 move up and down.Two magnet 210,211 are fixed in shell 206 on the pedestal 214 that connects substrate 219.Like this, have or not according to interior pot 200 as the magnetic wire switch 208 of sensitive component 201 parts to move up and down, and near or away from magnet 210,211.
Now, pot 200 is in not under this state above temperature-detecting device in supposing, then sensitive component 201 as shown in figure 16 is owing to helical spring 209 is on the lifting position.At this moment, pass through magnetic wire switch 208, make magnetic wire switch 208 be in closure state by magnet 210 and 211 magnetic fluxs that produce.In this state no matter the detection signal of thermistor 204 how, cuts off the power supply of hot plate 212 owing to control circuit quits work.
Then, interior pot 200 is placed on the sensitive component 201, descends along with the deadweight because of interior pot 200 makes sensitive component 1, magnetic wire switch 208 leaves magnet 210 and 211, magnetic flux by magnetic wire switch 208 is reduced, so the magnetic wire switch changes off-state into.At this moment, the temperature signal control of control circuit response thermistor 204 is to hot plate 212 power supplies.
In existing temperature-detecting device, utilize substrate 219 make thermistor 204 the temperature detection signal line and by magnetic wire switch 208 detect have or not in the signal lines of pot 200 connect and send control circuit to by 4 lead-in wires 220.
But, in steam rice cooker, steamed rice container etc., under the situation of serviceability temperature checkout gear,, and can not must use resistant to elevated temperatures welding material with common soldering tin material because requirement has 150 ℃～180 ℃ heat resistance in the bonding part.In addition, also must control in the welded joint timesharing the amount of scolder.
In addition, because necessary electric insulation between inner housing 202, shell body 206 and the substrate 219 so must do inner housing 202, shell body 206 quite big, perhaps applies processing such as insulating materials on substrate 219.
In addition, because being used to transmit the lead-in wire 220 of control circuit detection signal is directly to be weldingly fixed on the substrate 219, so for the tensile strength that increases lead-in wire 220 is mechanical strength, except the thickness that makes substrate 219 in advance increases, also must on the structure that it is hung over component for fixing 213 for lead wire 220, work hard.
As mentioned above, owing to have negative effect when the signal lines of temperature-detecting device inside is carried out joining process, so must use the technology of high-temperature soldering in order to increase hear resistance, this can make cost increase.
In view of the foregoing, the purpose of this invention is to provide a kind of hear resistance, reliability high and can reduce lead-in wire radical and electric insulation reliably, cooking device temperature-detecting device that can miniaturization.
Another object of the present invention is will provide a kind of can reduce the magnet quantity that is used to detect the detecting element action that heated object has or not and can improve the cooking device temperature-detecting device that the temperature lead-in wire is installed.
According to temperature-detecting device of the present invention, has the sensitive component that moves up and down along with the heated object carrier, sensitive component with the detecting element that on this sensitive component of detection, has or not above-mentioned heated object carrier and this heated object temperature of detection, this temperature detection part is characterised in that, comprise: the seat that above-mentioned detecting element and above-mentioned sensitive component are installed, receive the inner housing of adorning this, the helical spring that this inner housing is upwards leaned on is received to load onto and is stated inner housing and helical spring shell body and be supported on the above-mentioned shell body and be configured in the magnet of inner housing inside; On above-mentioned seat, above-mentioned sensitive component is installed in top facing to the above-mentioned seat of above-mentioned heated object, the above-mentioned detecting element that moves along the moving direction of above-mentioned seat by magnet is installed on above-mentioned the part.
In addition, according to cooking device temperature-detecting device of the present invention, has the sensitive component that moves up and down with the heated object carrier, detect detecting element that has or not above-mentioned heated object carrier on the sensitive component and the temperature-sensitive element that detects this heated object temperature, it is characterized in that, this sensitive component is equipped with: the seat that above-mentioned detecting element and above-mentioned temperature-sensitive element are installed, make this rest against the helical spring of top, receipts are loaded onto and are stated seat and helical spring shell body, with the magnet that is configured on the above-mentioned seat, on above-mentioned seat, above-mentioned temperature-sensitive element is installed in top facing to the above-mentioned seat of above-mentioned heated object, the above-mentioned detecting element that moves along the moving direction of above-mentioned seat by magnet is installed on above-mentioned the part.
In the present invention, replace existing fixed part to fix by seat the terminal that temperature-sensitive element, detecting element and wire-bonded are used is set with resin forming; The lead-in wire of the lead-in wire of temperature-sensitive element, detecting element and lead are combined on the terminal by means of spot welds.
In addition, by in being located at the guide hole that constitutes thermo-detective material seat inboard, inserting the guide posts that is arranged on the magnetic support, when fixing detecting element on present is mobile vertically downward with calandria and carrier, may shorten the spot extension of horizontal direction.Can reduce the magnet number that is installed on the magnetic support by this structure, reduce the parts expense and also can reduce the assembling operation time.
Fig. 1 is the oblique view of the sensitive component of temperature-detecting device in the expression first embodiment of the invention.
Fig. 2 is the exploded perspective view that is configured in the temperature-detecting device in the sensitive component of Fig. 1.
Fig. 3 is the apparent condition plane of temperature-detecting device from the second embodiment of the invention of plane.
Fig. 4 is an outer present condition side view of seeing the temperature-detecting device of Fig. 3 from the side.
Fig. 5 is the cutaway view of the temperature-detecting device of Fig. 3 along the V-V line.
Fig. 6 is the cutaway view of the temperature-detecting device of Fig. 3 along the VI-VI line.
Fig. 7 is the ground plan of Fig. 3 temperature-detecting device.
Fig. 8 is the apparent condition plane of temperature-detecting device from the third embodiment of the invention of plane.
Fig. 9 is a state side view of seeing the temperature-detecting device of Fig. 8 from the side.
Figure 10 is the cutaway view of the temperature-detecting device of Fig. 8 along the X-X line.
Figure 11 is the cutaway view of the temperature-detecting device of Fig. 8 along the XI-XI line.
Figure 12 is the ground plan of Fig. 8 temperature-detecting device.
Figure 13 is the cutaway view of Figure 10 and seat shown in Figure 11.
Figure 14 is the cutaway view of Figure 10 and magnetic receiver shown in Figure 11.
Figure 15 is the cutaway view of the temperature-detecting device of fourth embodiment of the invention.
Figure 16 is the cutaway view of the temperature-detecting device in the prior art.
Figure 17 is the oblique view of sensitive component shown in Figure 16.
Wherein:
1,104,201 sensitive components
2, inner housing
3,101,203 lids
4,103,204 thermistors
4a, 8a lead
5,102
6,206 shell bodies
7,207 protection tubes
8,107,208 magnetic wire switches
9,112,209 helical springs
10,11,111 magnet
12,212 hot plates
14,123 magnetic receivers
20, lead
22, terminal
23, terminal is fixedly used groove
24, the standing part of lead-in wire guiding usefulness
25, magnetic wire switch (detecting element) is fixedly used groove
26,105 thermistors (temperature-sensitive element) are fixedly used groove
30, hole
32, the jut that cuts out
51, circular-arc part
52, discoideus part
53, mainboard
128, guide post
130, guide hole
133, temperature fuse
134, insulating trip
135, pawl
136, insert mouth
200, interior pot
201, first connector
202, second connector
213, component for fixing
219, substrate
First embodiment of cooking device of the present invention with temperature-detecting device has been shown in Fig. 1 and Fig. 2.As scheme l and as shown in Figure 2, sensitive component 1 tegmentum 3 and inner housing 2 cover.This sensitive component has a seat 5 of being made by resin.Seat 5 comprises mainboard 53, be configured in the circular-arc part 51 of these both sides, mainboard 53 bottom and be configured in the discoideus part 52 on mainboard 53 tops.The terminal that configuration guarantees the electric insulation distance on each circular-arc part 51 is the groove 23 of usefulness fixedly.Dispose the fixedly groove 25 of usefulness of magnetic wire switch (detecting element) in the bottom of mainboard 53.On disk-like member 52, dispose along its fixing groove 26 of the fixedly usefulness of thermistor (temperature-sensitive element) radially.Be used for the standing part 24 that lead wire is used in the configuration of the both sides of mainboard 53.
Thermistor 42 receipts of protection tube 7 protections of being made by the good material of heat conduction are contained in thermistor fixes with in the groove 26.What thermistor 4 adopted is the thermistor of diode-type.The lead-in wire 4a of thermistor 4 is welded on the terminal 22 by spot welding.Magnetic wire switch 8 received be contained in the groove 25 that magnetic lead-in wire switch uses.The lead-in wire 8a of magnetic wire switch 8 is welded on the terminal 22 by point.By on the periphery flange part 27 that the periphery of lid 3 is enclosed in discoideus part 52 sensitive component 1 being fixed in the inner housing 2.Sensitive component 1 and inner housing 2 constitute up and down movably movable body in the above described manner.
The part that promptly is cut into projection 32 as its part on inner housing 2 is extended downwards, and inserts in the slit 33 be configured on shell body 6 bottoms, so that make inner housing 2 keep the state that can move in vertical direction.
Hypothesis is not placed on this temperature-detecting device as interior pot 200 (shown in Figure 16) of heated object now, and then sensitive component 1 (movable body) is in the position of rising, and the magnetic flux of magnet 10,11 generations at this moment is by magnetic wire switch 8.At this moment magnetic wire switch 8 becomes closure state, and this point is as described in the example of prior art.In addition, the resistance value of thermistor 4 changes along with temperature.Because the temperature detection signal line from thermistor 4 is connected in parallel with the signal lines from magnetic wire switch 8, so under magnetic wire switch 8 closure states,, be zero under normal conditions as the resistance value of temperature-detecting device detection signal with irrelevant from the resistance value (temperature detection signal) of thermistor 4.Therefore, when interior pot is not on sensitive component,, control circuit cuts off to hot plate 12 power supplies owing to quitting work.
Then, with interior pot be placed on sensitive component 1 above because the deadweight of interior pot descends temperature-sensitive element.At this moment magnetic wire switch 8 is away from magnet 10 and 11.At this moment, make magnetic wire switch 8 become off-state by the magnet 10 of magnetic wire switch 8 and 11 rapid minimizing of magnetic flux.Because magnetic wire switch 8 is in off-state, thus have only the resistance value signal of thermistor 4 to present to control circuit as temperature detection signal, and power to hot plate 12 by control.
Because thermistor 4 is on fixing present 5, and be isolated from the outside, so can detecting, it covers the temperature rises that 3 temperature is promptly conducted heat and caused to lid 3 from heated object, though the heat resisting temperature that requires as temperature-detecting device is 150 ℃～180 ℃, but owing to be detection line to be engaged with spot welding, its heat resistance height, and can make by hot plate 12 and the detection signal electric insulation fainter with respect to power supply.In addition, also can improve the predetermined fixed intensity of terminal 22 etc., when lead is carried out spot welding with lead-in wire 20 grades, make it ease of connection and realize automation, reduce processing step.Do not need to use again in addition other coatings, owing to making seat 5 whole formation realize miniaturization yet.
Fig. 3 to Fig. 7 shows second embodiment of cooking device of the present invention with temperature-detecting device.Because the temperature-detecting device of second embodiment and first embodiment have formation much at one, describe so the parts identical with the first embodiment function are marked with same-sign.
With reference to Fig. 3 to Fig. 7, the sensitive component 1 of the temperature-detecting device of second embodiment is made of lid 3, seat 5, inner housing 2 and thermistor 4.
In embodiment 2, thermistor 4 is to adopt spherical thermistor, and the thermistor 4 by protection tube 7 protections is installed in the groove 26 that disposes above present 5.By the bottom that pressurization is inserted seat 5 with terminal 22, perhaps insert the back with on the adhesive securement present 5.When being welded in the lead-in wire 4a point of thermistor 4 on the terminal 22, the spot welding detecting element is the lead-in wire of magnetic wire switch 8 on terminal 22, and then spot welding lead 8a.At lead 8a point postwelding it is hung on the standing part 24 of seat 5, guide to the outside then.Seat 5 is received the inside that is contained in inner housing 2, and cover, cover 3 lateral margin, seat 5 is fixed on forms sensitive component 1 in the inner housing 2 by sealing with lid 3.
In this temperature-detecting device, about no longer describing in detail with the first embodiment identical operations and temperature detection.
Fig. 8 to Figure 14 shows three embodiment of cooking device of the present invention with temperature-detecting device, and the temperature-detecting device of the 3rd embodiment is that the part of the temperature-detecting device that illustrates among first embodiment and second embodiment is improved.
In the temperature-detecting device that in first embodiment and second embodiment, illustrates, when sensitive component 1 moves down with the heated object carrier that is subjected to helical spring 9 effects, often produce position deviation to horizontal direction, therefore, at least two magnet 10 and 11 that are used to make 8 actions of magnetic wire switch must be set.
In steam rice cooker or steamed rice container, be used to install the position (bottoms of steamed rice container etc.) of the installation site of temperature fuse (not shown) away from the hot plate shown in Figure 16 212.The action generation time of temperature fuse is postponed, in case near the resin the hot plate 212 etc. deform, will cause the state that makes the temperature fuse action, this will make the unmendable that becomes of steamed rice container.
In the temperature-detecting device of the 3rd embodiment, can reduce the detecting element that is used to the detection heated object is had or not is the magnet number of temperature-sensitive resistance action, and according to improving the mode that temperature fuse is arranged in the sensitive component.
The cooking device temperature-detecting device of the 3rd embodiment is described below with reference to Fig. 8 to Figure 14.Sensitive component 104 is vertically movably installed by helical spring 112 relative magnetic receivers 123.A upwardly extending guide post 128 is arranged at the center of magnetic receiver 123.Magnet 111 of adhesive securement is passed through in upper end at this guide post 128.Sensitive component 104 by lid 101, prevent the temperature fuse 133 of unusual overheated usefulness, have electrical insulating property insulation board 134, seat 102, detect the heated object temperature thermistor 103, near detecting magnet 111, detect the formations such as magnetic wire switch 107 that have or not heated object.
Thermistor is fixing with near the periphery above groove 105 formation present 102, is inserted in the bullport 130 and the pawl 135 of the guide post 128 on the magnetic receiver 123 in the inboard configuration.Thermistor 105 is stuck on the pawl 135, and the lead 108 of thermistor 105 usefulness is drawn fixing by the insertion mouth 136 that disposes present 102 bottoms to the outside.
After lead 108 inserted mouthfuls 136,103 pressurizations in parallel were connected on 102 the outside of being present with thermistor to make magnetic wire switch 107 by two pressure terminals 126 (only illustrating among the figure).In the groove 105 with thermistor 103 installations present 102, magnetic wire switch 107 is stuck on the pawl 135, and pressure terminal 126 hangs over not to be fixed on removedly and inserts on the mouth 136.Then, make the insertion mouth 137 of the lead 138 of temperature fuse 133 usefulness, by pressure terminal 139 lead portion of temperature fuse 133 and lead 138 pressurizations are connected the outside again by present 102 bottoms of configuration.Temperature fuse 133 is installed on the groove 132 that disposes on present 102.Again insulating trip 134 is contained on the seat 102, then lid 1 is pressed in seat 102 tops and just forms sensitive component 104.
Figure 15 shows the fourth embodiment of the present invention.Because the sensitive component structure in the temperature-detecting device of fourth embodiment of the invention is identical with the 3rd embodiment, so omit the explanation of this part, still, the thermistor (with the thermistor of air insulated) that adopts the seal casinghousing formula is as thermistor.
As the cooking device that utilizes the 4th embodiment is guided to the outside to the lead 108 that links to each other with thermistor 105 and is connected on first connector 201 with such shown in the temperature-detecting device.In the groove 105 of seal casinghousing or thermistor 103 installations present 102.The lead-in wire of temperature fuse 133 links to each other with outside by the pressurization of pressure terminal with lead 138.To go between and 138 be connected on second connector 202.First connector 201 is connected with control circuit respectively with second connector 202.
As mentioned above, the invention provides the temperature-detecting device with following advantage: quilt The temperature detection signal line of the signal lines that calandria has or not and heated object utilizes wiring Spot welding is carried out in the end parallel connection, and makes heat resistance, Reliability Enhancement, and lead-in wire is reduced to from 4 2, thus part count reduced, make the electric insulation Reliability Enhancement, and can realize little Type.
Cooking device of the present invention also has following advantage with temperature-detecting device: by a configuration Wire column on magnetic receiver inserts and is configured in the inboard wire guide of seat that consists of sensitive component In, make and detect vertical with detecting element of detection that the heated object of configuration on present have or not Direction moves stable, thereby can reduce be used to the magnet number that makes the detecting element action, subtracts Few Master Cost is made owing to shorten the assembling operation time and be easy to, and makes cost.
Because assembling temperature fuse in present, when overheated, temperature immediately can fuse unusual The degree fuse, the institute so that the resin of cooking device can not deform, can continue later on the use, Become not only safety but also reliable cooking device temperature-detecting device.
Claims (15)
1. temperature-detecting device that cooking device is used, comprise: have the sensitive component that moves up and down with the heated object carrier, be equipped with and detect detecting element that has or not above-mentioned heated object carrier and the sensitive component that detects this heated object temperature, it is characterized in that this device also comprises:
The seat of above-mentioned detecting element and above-mentioned temperature-sensitive element is installed, receive the inner housing of adorning this, make this inner housing rely on the top helical spring, receive dress this inner housing and helical spring shell body and be supported on the above-mentioned shell body and be arranged on the magnet of above-mentioned inner housing inside, on above-mentioned seat, above-mentioned temperature-sensitive element is installed in and opposed above-mentioned the top of above-mentioned heated object, makes at the above-mentioned detecting element along the action of above-mentioned seat moving direction under the magnet effect to be installed on the part of above-mentioned seat.
2. cooking device temperature-detecting device as claimed in claim 1 is characterized in that: above-mentioned shell body has the end and for cylindric, part that the part of above-mentioned inner housing promptly is cut into projection is extended downwards insert in the slit that is configured in above-mentioned shell body bottom.
3. cooking device temperature-detecting device as claimed in claim 2 is characterized in that: make the above-mentioned end of being cut into jut be folded into the outside of above-mentioned shell body, so that moving up of above-mentioned sensitive component is limited on definite position.
4. the temperature-detecting device that cooking device is used has the sensitive component that moves up and down along with the heated object carrier, and this sensitive component is equipped with and detects detecting element that has or not above-mentioned heated object carrier and the temperature-sensitive element that detects this heated object temperature; It is characterized in that this device also comprises:
The seat of above-mentioned detecting element and above-mentioned temperature-sensitive element is installed, is made this helical spring that relies on the top, receive dress this and helical spring shell body and be configured in magnet on the above-mentioned seat; On above-mentioned seat, above-mentioned temperature-sensitive element is installed in and opposed above-mentioned the top of above-mentioned heated object, being installed on the part of above-mentioned seat at the above-mentioned detecting element that moves along above-mentioned seat moving direction under the magnet effect.
5. cooking device temperature-detecting device as claimed in claim 4, it is characterized in that: above-mentioned shell body is cylindric, magnetic receiver is configured in the bottom of this shell body, the guide post of the fixing above-mentioned magnet of configuration on this magnetic receiver, the guide hole that configuration is held above-mentioned guide post and above-mentioned seat can be moved up and down on the inboard of above-mentioned seat.
6. cooking device temperature-detecting device as claimed in claim 5, it is characterized in that: in the foot that forms on the above-mentioned magnetic receiver below stretching to, lower end in this foot forms pawl, by the insertion mouth that can insert above-mentioned claw is set above-mentioned pawl is stuck on the marginal portion of this insertion mouth, moves up so that can limit this seat on request.
7. cooking device temperature-detecting device as claimed in claim 5 is characterized in that: by the bossing bending that is arranged on the above-mentioned urceolus is fixed above-mentioned magnetic receiver.
8. as claim 1 or 4 described cooking device temperature-detecting devices, it is characterized in that: terminal is fixed on the both sides of above-mentioned seat for above-mentioned detecting element and above-mentioned temperature-sensitive element are connected in parallel.
9. the temperature-detecting device that cooking device as claimed in claim 8 is used is characterized in that: use the detection signal that connects above-mentioned detecting element and above-mentioned temperature-sensitive element wire bonds on above-mentioned terminal.
10. as claim 1 or 4 described cooking device temperature-detecting devices, it is characterized in that: above-mentioned seat is made by resin material.
11. as the temperature-detecting device that claim 1 or 4 described cooking devices are used, it is characterized in that: above-mentioned detecting element is by utilizing this magnet to make switch transition become the magnetic wire switch of closed form to constitute when above-mentioned sensitive component moves.
12. as claim 1 or 4 described cooking device temperature-detecting devices, it is characterized in that: above-mentioned temperature-sensitive element is made of the ball-type thermistor.
13. as claim 1 or 4 described cooking device temperature-detecting devices, it is characterized in that: above-mentioned temperature-sensitive element is to be covered by the encapsulant with air insulated.
14. as claim 1 or 4 described cooking device temperature-detecting devices, it is characterized in that: above-mentioned temperature-sensitive element is protected by heat conduction good insulation performance protection tube.
15. cooking device temperature-detecting device as claimed in claim 1 is characterized in that: configuration trench on above-mentioned seat, in this trench portions configuration when the unusual temperature fuse that fuses when overheated of above-mentioned heated object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95121520 CN1149437A (en) | 1995-11-03 | 1995-11-03 | Temperature detecting device for cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95121520 CN1149437A (en) | 1995-11-03 | 1995-11-03 | Temperature detecting device for cooking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1149437A true CN1149437A (en) | 1997-05-14 |
Family
ID=5082452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95121520 Pending CN1149437A (en) | 1995-11-03 | 1995-11-03 | Temperature detecting device for cooking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1149437A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188119A (en) * | 2018-08-07 | 2019-01-11 | 合肥人和节能环保设备制造有限公司 | A kind of detection method of two-door steam-cooking cabinet |
| CN109238482A (en) * | 2018-09-28 | 2019-01-18 | 佛山市川东磁电股份有限公司 | A kind of detection of high current sky pot and dry-burning preventing sensor |
| CN109805771A (en) * | 2017-11-20 | 2019-05-28 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
-
1995
- 1995-11-03 CN CN 95121520 patent/CN1149437A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805771A (en) * | 2017-11-20 | 2019-05-28 | 佛山市顺德区美的电热电器制造有限公司 | Cooker |
| CN109188119A (en) * | 2018-08-07 | 2019-01-11 | 合肥人和节能环保设备制造有限公司 | A kind of detection method of two-door steam-cooking cabinet |
| CN109238482A (en) * | 2018-09-28 | 2019-01-18 | 佛山市川东磁电股份有限公司 | A kind of detection of high current sky pot and dry-burning preventing sensor |
| CN109238482B (en) * | 2018-09-28 | 2020-06-02 | 佛山市川东磁电股份有限公司 | Large-current empty pot detection and dry burning prevention sensor |
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