CN103487072A - Household electric appliance, gear detection device thereof and combination of household electric appliance, cooker and smoke exhaust ventilator - Google Patents
Household electric appliance, gear detection device thereof and combination of household electric appliance, cooker and smoke exhaust ventilator Download PDFInfo
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- CN103487072A CN103487072A CN201210192873.8A CN201210192873A CN103487072A CN 103487072 A CN103487072 A CN 103487072A CN 201210192873 A CN201210192873 A CN 201210192873A CN 103487072 A CN103487072 A CN 103487072A
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Abstract
The invention provides a novel gear detection device and a combination of the household electric appliance, a cooker and a smoke exhaust ventilator with the adoption of the gear detection device. The gear detection device used for the household electric appliance comprises a detecting module, rotating modules, a detection circuit and elastic pieces. The household electric appliance comprises a rotating rod used for gear switching. The elastic pieces form switches of the detection circuit. The detecting module is used for detecting electric signals of the detection circuit. The rotating modules are connected with the rotating rod in a linkage mode. When the rotating rod rotates, the rotating modules extrude the elastic pieces, switching conditions of the detection circuit are further changed, and the electric signals detected by the detecting module are changed; the detecting module is used for determining corresponding gears according to the detected electric signals. According to the technical scheme, the gear detection device can be possibly and effectively used for a gear regulating mechanism with a smaller rotating range of the rotating rod.
Description
[technical field]
The present invention relates to household appliance technical field, relate in particular to kitchen range and gear detection device thereof.
[background technology]
A lot of household electrical appliance all are provided with the mechanical type gear adjusting mechanism, such as gas-cooker.Along with the raising day by day of Household electric appliance intelligent level, for the gear detection technique of mechanical type gear adjusting mechanism, become gradually a hot technology.Wherein, for the mechanical type gear adjusting mechanism of swing arm type, the general detection that adopts slide rheostat to realize gear in prior art.But there are many drawbacks in this existing technical solution: one, the principle of work of slide rheostat determined, the precision that its gear detects is not high, is difficult to be effectively applied on gear adjusting mechanism that swing arm rotation amplitude is less; Its two, because resistance wire directly rubs mutually with slide plate, is easy to cause the wearing and tearing of resistance wire, and then can affects to a certain extent serviceable life, and maintenance cost is higher.
Unless sufficient evidence support is arranged, otherwise prior art described here not meaning that admitted that these prior aries those of ordinary skill for the field that the invention relates to before the application's the applying date is known.
[summary of the invention]
Fundamental purpose of the present invention is for above-described at least one technical matters, proposes a kind of novel gear detection device for household electrical appliance.
The gear detection device for household electrical appliance that the present invention proposes comprises detection module, rotary module, testing circuit and shell fragment, and described household electrical appliance comprise for carrying out the swing arm of gear conversion; Described shell fragment forms the switch of described testing circuit; Described detection module is for detection of the electric signal of described testing circuit; Described rotary module and the interlock of described swing arm arrange; When described swing arm rotation, described rotary module can push described shell fragment, and then the switch situation of described testing circuit is changed, and then the detected electric signal of described detection module changes; Described detection module, for determining corresponding gear according to its detected electric signal.Visible, two adjacent gears corresponding " electric signal detected " are different.While being switched between two adjacent gears, the detected electric signal of described detection module changes, and described detection module just can be determined gear now according to its detected electric signal.Preferably, can be set as each gear corresponding " electric signal detected " all not identical.Here, " interlock arranges " is interpreted as: during described swing arm rotation, described rotary module moves with this swing arm.In addition, should do the understanding of broad sense for " electric signal detected changes ", a kind of special circumstances as should be comprised " conversion that has or not of electric signal occurs ".Adopt technical scheme of the present invention, can significantly promote the precision that gear detects, and then make gear detection device is effectively applied to become possibility on gear adjusting mechanism that swing arm rotation amplitude is less.In addition, the gear detection device long service life that the present invention proposes, maintenance cost is low.
Optionally, described rotary module is provided with at least two projections; When described swing arm, during along a direction rotation, each projection is pushed described shell fragment successively, and then the switch situation of described testing circuit is changed, and then the detected electric signal of described detection module changes.
Optionally, each projection of same rotary module is connected successively or is connected at least in part.
Optionally, between two projections that are connected, be provided with transition face.
Optionally, also be provided with non-compressive plane, described non-compressive plane is arranged between two adjacent projections.
Optionally, described shell fragment is identical with the quantity of rotary module, is at least two; Each shell fragment is corresponding one by one with rotary module.
Optionally, described rotary module is provided with at least one projection; Described shell fragment is identical with the quantity of rotary module, is at least two; Each shell fragment is corresponding one by one with rotary module.
Optionally, described shell fragment is provided with press section.
Optionally, an end of described shell fragment is stiff end, and the other end is free end; Described stiff end is connected with described testing circuit.
Optionally, described testing circuit comprises at least two parallel circuits; The quantity of described shell fragment is one, and this shell fragment is used as the switch of described each parallel circuit simultaneously; One end of described shell fragment is stiff end, and the other end is free end; Described stiff end contacts with described testing circuit.
Optionally, described each parallel circuit is provided with at least one contact site respectively, for contacting with the free end of described shell fragment.
Optionally, described testing circuit comprises two parallel circuits, and one of them parallel circuit is provided with a contact site, and another parallel circuit is provided with two contact sites; Described each contact site is for contacting with the free end of described shell fragment.
Optionally, described testing circuit comprises at least two parallel circuits; The quantity of described shell fragment is identical with the quantity of described parallel circuit, and each shell fragment is corresponding one by one with each parallel circuit.
Optionally, described detection module is provided with at least two detecting units; The quantity of described detecting unit is identical with the quantity of described parallel circuit, and each detecting unit is corresponding one by one with each parallel circuit; Described detection module, for determining corresponding gear according to the detected electric signal of each detecting unit.
Optionally, described rotary module adopts insulating material to make.
Optionally, described electric signal comprises at least one in following signal: voltage, electric current.
Optionally, described rotary module comprises trunk portion; Described each projection all is arranged on the sidewall of described trunk portion; Described trunk portion is provided with the pilot hole that the shape with described swing arm adapts.
Optionally, the edge of described each protruding xsect all is circular arc; Described each protruding corresponding circular arc is concentric, and the radius of each circular arc is different.
The present invention also proposes the another kind of gear detection device for household electrical appliance, and described household electrical appliance comprise that described gear detection device comprises detection module, rotary module, signal generation apparatus and shell fragment for carrying out the swing arm of gear conversion; Described shell fragment forms the switch of described signal generation apparatus; The signal that described detection module sends for detection of described signal generation apparatus; Described rotary module and the interlock of described swing arm arrange; When described swing arm rotation, described rotary module can push described shell fragment, and then the switch situation of described signal generation apparatus is changed, and then the detected signal of described detection module changes; Described detection module, for determining corresponding gear according to its detected signal.Visible, two adjacent gears corresponding " signal detected " are different.While being switched between two adjacent gears, the detected signal of described detection module changes, and described detection module just can be determined gear now according to its detected signal.Preferably, can be set as each gear corresponding " signal detected " all not identical.Here, " interlock arranges " is interpreted as: during described swing arm rotation, described rotary module moves with this swing arm.In addition, for " signal generation apparatus ", should make broad understanding, should comprise the feasible technical scheme based on prior art of all realized the object of the invention.Adopt technical scheme of the present invention, can significantly promote the precision that gear detects, and then make gear detection device is effectively applied to become possibility on gear adjusting mechanism that swing arm rotation amplitude is less.In addition, the gear detection device long service life that the present invention proposes, maintenance cost is low.
The present invention also proposes a kind of household electrical appliance, and it is provided with knob, and described knob further is provided with for carrying out the swing arm of gear conversion, and described household electrical appliance are provided with gear detection device as described as above any one.
Optionally, described household electrical appliance are kitchen range.
Optionally, described detection module, also for controlling the firing system of described kitchen range based on its determined gear information.Like this, remove manual firing's trouble from, both can promote the intelligent level of kitchen range, also contributed to increasing ignition efficiency.
The present invention also proposes the combination of a kind of kitchen range and smoke exhaust ventilator, and it is provided with smoke exhaust ventilator and kitchen range, and described kitchen range are provided with knob and gear detection device as previously discussed, and described knob further is provided with for carrying out the swing arm of gear conversion; Described detection module, also for being sent to described smoke exhaust ventilator by its determined gear information; Described smoke exhaust ventilator, for receiving described gear information, and control keying and/or the gear size of blower fan system according to described gear information.
Foregoing invention content of the present invention is not for describing all possible embodiments of the present invention.In whole application, many places provide guidance by enumerating example, and these examples can be for various feasible combinations.
[accompanying drawing explanation]
The following drawings only schematically illustrates and explains the present invention, not delimit the scope of the invention, wherein:
Fig. 1 is the structural representation of a kind of gear detection device embodiment for gas-cooker of the present invention;
Fig. 2 is the structural representation of the rotary module of the embodiment of gear detection device shown in Fig. 1;
Fig. 3 is the matching relationship schematic diagram of the embodiment of gear detection device shown in Fig. 1 rotary module and shell fragment when zero-span;
Fig. 4 is the matching relationship schematic diagram of the embodiment of gear detection device shown in Fig. 1 rotary module and shell fragment when the first gear;
Fig. 5 is the matching relationship schematic diagram of the embodiment of gear detection device shown in Fig. 1 rotary module and shell fragment when the second gear;
Fig. 6 is the matching relationship schematic diagram of the embodiment of gear detection device shown in Fig. 1 rotary module and shell fragment when third gear;
Fig. 7 is the circuit theory diagrams of the testing circuit of the embodiment of gear detection device shown in Fig. 1;
Fig. 8 is the detected signal of detection module of the embodiment of gear detection device shown in Fig. 1 and the mapping table between each gear;
Fig. 9 is the circuit theory diagrams of another kind of the present invention for the testing circuit of the gear detection device embodiment of gas-cooker;
Figure 10 is another structural representation for the gear detection device embodiment of gas-cooker of the present invention;
Figure 11 is the structural representation of the shell fragment of the embodiment of gear detection device shown in Figure 10;
Figure 12 is the structural representation of the rotary module of the embodiment of gear detection device shown in Figure 10;
Figure 13 is the circuit theory diagrams of the testing circuit of the embodiment of gear detection device shown in Figure 10.
Explanation about Reference numeral in figure:
The 1-swing arm, 2-shell fragment, 3-rotary module, 4-projection, the non-compressive plane of 5-, 6-press section, 7-stiff end, 8-free end, 9-contact site, 10-trunk portion, 11-pilot hole.
[embodiment]
For making purpose of the present invention, scheme and beneficial effect more cheer and bright, below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.At first need to be explained, in the specific descriptions to preferred implementation, same or similar feature has identical Reference numeral below.In addition, indivedual accompanying drawings are only schematic diagram, may be accurate not, in such cases, should be as the criterion with text description.
A kind of gear detection device embodiment for gas-cooker that the present invention proposes, as shown in Figure 1.At first need to be explained, Fig. 1 is only structural representation, and Fig. 1 only shows a part of member of this gear detection device.
Described gas-cooker is provided with the swing arm 1 for carrying out the gear conversion.This gear detection device embodiment comprises detection module, testing circuit, a rotary module 3 and a shell fragment 2.The structural representation of rotary module 3 as shown in Figure 2.The matching relationship schematic diagram of rotary module 3 and shell fragment 2 is as shown in Fig. 3 to 6.The circuit theory diagrams of testing circuit as shown in Figure 7.
In addition, rotary module 3 is provided with the pilot hole 11 that the shape with swing arm 1 adapts.Here, " adapting " is interpreted as: the shape of pilot hole 11 is identical with the shape of the xsect of swing arm 1, and this pilot hole 11 can hold swing arm 1 and pass, and can driven rotary module 3 rotation together during swing arm 1 rotation.With regard to the present embodiment, the shape of pilot hole 11 is arc.
Detection module (being the MCU in Fig. 7) is for detection of the electric signal of described testing circuit.The switch situation difference of the corresponding testing circuit of different gears, correspondingly, the detected electric signal of detection module is also different.And then detection module can be determined corresponding gear according to its detected electric signal.As shown in the figure, testing circuit comprises two parallel circuits; The quantity of shell fragment 2 is one, and this shell fragment 2 (being the switch S in Fig. 7) is used as the switch of two parallel circuits simultaneously.Two parallel circuits are provided with contact site 9 respectively, and one of them parallel circuit is provided with a contact site 9, shown in A in Fig. 7; Another parallel circuit is provided with two contact sites 9, shown in B in Fig. 7.Each contact site 9, contact for the free end 8 with shell fragment 2.Wherein, the contact site 9 at A place is through resistance R
3with power supply, be connected, the contact site 9 at B place is through resistance R
4with power supply, be connected.Detection module is provided with two detecting units, and (two detecting units correspond respectively to X place and the Y place in Fig. 7, for ease of distinguishing, detecting unit called after the first detecting unit by the X place, detecting unit called after the second detecting unit by the Y place), these two detecting units are corresponding one by one with two parallel circuits, as shown in Figure 7, the detecting unit at X place is through resistance R
1with the contact site 9 at A place, be connected, the detecting unit at Y place is through resistance R
2with the contact site 9 at B place, be connected.Detection module just according to these two detecting units received electric signal determine corresponding gear.
Fig. 3 be this gear detection device embodiment when zero-span, the matching relationship schematic diagram of rotary module 3 and shell fragment 2.Now, the press section 6 of shell fragment 2 is resisted against the first projection 4, and the free end 8 of shell fragment 2 does not all contact with each contact site 9.The first detecting unit and the second detecting unit all detect high level.And store the first detecting unit and the combination of the two received level signal of the second detecting unit (high level or low level) and the corresponding relation between each gear in detection module, as shown in Figure 8; Wherein, the first detecting unit and the second detecting unit the two while all receiving high level signal, corresponding to zero-span.Therefore, at gas-cooker, during in the zero-span state, detection module can be determined gear now according to the first detecting unit and the received detection signal of the second detecting unit.In addition, when detection module is determined now in zero-span, this detection module also can be sent to smoke exhaust ventilator in this information of zero-span by gas-cooker is current.After smoke exhaust ventilator receives " gas-cooker is current in zero-span " this information, if blower fan system moves, just order blower fan system to be closed.
Fig. 4 is this gear detection device embodiment when the first gear (being little fire screen position), the matching relationship schematic diagram of rotary module 3 and shell fragment 2.Now, the press section 6 of shell fragment 2 is resisted against the second projection 4, and the free end 8 of shell fragment 2 contacts with the contact site 9 at A place.The first detecting unit detects low level, and the second detecting unit detects high level.And store the first detecting unit and the combination of the two received level signal of the second detecting unit (high level or low level) and the corresponding relation between each gear in detection module, as shown in Figure 8; Wherein, the first detecting unit detects low level, when the second detecting unit detects high level, corresponding to the first gear.Therefore, at gas-cooker, during in the first range state, detection module can be determined gear now according to the first detecting unit and the received detection signal of the second detecting unit.In addition, when detection module is determined now in the first gear, just the firing system to kitchen range sends ignition order, makes the ignition electrode sparking, the ignition combustion device.Simultaneously, this detection module also can be sent to smoke exhaust ventilator in this information of the first gear by gas-cooker is current.Smoke exhaust ventilator just orders blower fan system to turn round under low-speed mode after receiving " gas-cooker is current in the first gear " this information.
Fig. 5 is this gear detection device embodiment when the second gear (being the moderate heat gear), the matching relationship schematic diagram of rotary module 3 and shell fragment 2.Now, the press section 6 of shell fragment 2 is resisted against the 3rd projection 4, and one in two contact sites 9 at the free end 8 of shell fragment 2 and B place contacts.The first detecting unit detects high level, and the second detecting unit detects low level.And store the first detecting unit and the combination of the two received level signal of the second detecting unit (high level or low level) and the corresponding relation between each gear in detection module, as shown in Figure 8; Wherein, the first detecting unit detects high level, when the second detecting unit detects low level, corresponding to the second gear.Therefore, at gas-cooker, during in the second range state, detection module can be determined gear now according to the first detecting unit and the received detection signal of the second detecting unit.In addition, when detection module is determined now in the second gear, this detection module also can be sent to smoke exhaust ventilator in this information of the second gear by gas-cooker is current.Smoke exhaust ventilator just orders blower fan system to turn round under middle fast mode after receiving " gas-cooker is current in the second gear " this information.
Fig. 6 is this gear detection device embodiment when third gear (being the big fire gear), the matching relationship schematic diagram of rotary module 3 and shell fragment 2.Now, the press section 6 of shell fragment 2 is resisted against the 4th projection 4, and one in two contact sites 9 at the free end 8 of shell fragment 2 and B place contacts, and simultaneously, the free end 8 of shell fragment 2 also contacts with the contact site 9 at A place.The first detecting unit and the second detecting unit all detect low level.And store the first detecting unit and the combination of the two received level signal of the second detecting unit (high level or low level) and the corresponding relation between each gear in detection module, as shown in Figure 8; Wherein, when the first detecting unit and the second detecting unit all detect low level, corresponding to third gear.Therefore, at gas-cooker, during in the third gear state, detection module can be determined gear now according to the first detecting unit and the received detection signal of the second detecting unit.In addition, when detection module is determined now in third gear, this detection module also can be sent to smoke exhaust ventilator in this information of third gear by gas-cooker is current.Smoke exhaust ventilator just orders blower fan system to turn round under fast mode after receiving " gas-cooker is current in third gear " this information.
Be only below the preferred embodiments of the present invention, some technical characterictic is modified or replaced the embodiment that can also obtain other.As, for obtaining better technique effect, can also on the basis of existing circuit structure, further set up other electronic devices and components.For another example, for gear, concrete setting is not limited with the present embodiment.For another example, power end and the earth terminal position in circuit can be exchanged, and the circuit theory diagrams after exchanging as shown in Figure 9.For another example, testing circuit also can replace with the signal generation apparatus of other type, for example can send the signal generation apparatus of multiple ultrasonic signal or multiple light signal or multiple electromagnetic wave signal.
The present invention also proposes the another kind of gear detection device embodiment for gas-cooker, as shown in figure 10.Need to be pointed out that, Figure 10 is only structural representation, and Figure 10 only shows a part of member of gear detection device.Figure 11 is the structural representation of the shell fragment 2 of this gear detection device embodiment; Figure 12 is the structural representation of the rotary module 3 of this gear detection device embodiment; Figure 13 is the circuit theory diagrams of the testing circuit of this gear detection device embodiment.
Described gas-cooker is provided with the swing arm 1 for carrying out the gear conversion.This gear detection device embodiment comprises detection module, testing circuit, two rotary modules 3 and two shell fragments 2.Two shell fragments 2 are provided with press section 6 respectively, and press section 6 is excrescences that form by after shell fragment 2 punching presses.One end of shell fragment 2 is stiff end 7, and the other end is free end 8; Stiff end 7 is connected with testing circuit.For ease of distinguishing, by 2 called after the first shell fragments 2 of the shell fragment in upside in Figure 10, shell fragment 2 called after the second shell fragments 2 in downside; By 3 called after the first rotary modules 3 of the rotary module in upside in Figure 10, rotary module 3 called after the second rotary modules 3 in downside.The first shell fragment 2 is corresponding with the first rotary module 3, and the second shell fragment 2 is corresponding with the second rotary module 3.The first rotary module 3 and the second rotary module 3 adopt that insulating material is one-body molded to be made, the two all with swing arm 1 setting that links.As shown in figure 12, the first rotary module 3 comprises that trunk portion 10 and 4, two projections 4 of two projections all are arranged on the sidewall of trunk portion 10, are arranged at intervals with two non-compressive planes 5 between these two projections 4.The second rotary module 3 comprises trunk portion 10, projection 4 and a non-compressive plane 5, and this projection 4 and non-compressive plane 5 all are arranged on the sidewall of this trunk portion 10, and this trunk portion 10 also is provided with the pilot hole 11 that the shape with swing arm 1 adapts.Here, " adapting " is interpreted as: the shape of pilot hole 11 is identical with the shape of the xsect of swing arm 1, and this pilot hole 11 can hold swing arm 1 and pass, and can driven rotary module 3 rotation together during swing arm 1 rotation.With regard to the present embodiment, the shape of pilot hole 11 is arc.
As shown in figure 13, testing circuit comprises two parallel circuits; Two shell fragments 2 (being switch E and the F in Figure 13) are used separately as the switch of these two parallel circuits.Two parallel circuits are respectively arranged with a contact site 9 (corresponding respectively to e and f place in Figure 13).Each contact site 9, contact for the free end 8 with shell fragment 2.The contact site 9 at e and f place all passes through resistance R
0with earth terminal, be connected.The stiff end 7 of one of them shell fragment 2 (being the switch E in Figure 13) is through resistance R
9with power supply, be connected, the stiff end 7 of another shell fragment 2 (being the switch F in Figure 13) is through resistance R
10with power supply, be connected.Need to be explained, although, as shown in FIG. 10 and 11, between the contact site 9 of the present embodiment and the stiff end 7 of two shell fragments 2, be connected with a plate body; But this plate body adopts insulating material to make.
Detection module is for detection of in described testing circuit, flowing through resistance R
0current signal.While by rotation swing arm 1, carrying out the gear conversion, the extruding situation of 4 pairs of corresponding shell fragments 2 of projection of rotary module 3 can change, and then the free end 8 of two shell fragments 2 also can change with the situation that contacts of corresponding contact site 9, that is the switch situation of testing circuit can change, and then the detected resistance R that flows through of detection module
0electric stream number change.And store in advance the different resistance R that flows through in detection module
0current value and the corresponding relation between each gear.Thereby detection module just can be determined corresponding gear according to its detected current signal.
Be only below the preferred embodiments of the present invention, some technical characterictic is modified or replaced the embodiment that can also obtain other.As, for obtaining better technique effect, can also on the basis of existing circuit structure, further set up other electronic devices and components.For another example, for gear, concrete setting is not limited with the present embodiment.For another example, power end and the earth terminal position in circuit also can be exchanged.For another example, the electric signal that detection module detects can be also resistance R
0voltage signal between two ends.
Need annotatedly, the present invention should not be understood to only limit to embodiment described above, but should be understood to cover the claims in the present invention in conjunction with the instructions disclosure definite all possible performance.Therefore, every content that does not break away from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.Need especially one, based on any bad application that changes of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (23)
1. the gear detection device for household electrical appliance, described household electrical appliance comprise the swing arm (1) for carrying out the gear conversion, it is characterized in that:
Described gear detection device comprises detection module, rotary module (3), testing circuit and shell fragment (2);
Described shell fragment (2) forms the switch of described testing circuit;
Described detection module is for detection of the electric signal of described testing circuit;
Described rotary module (3) arranges with described swing arm (1) interlock;
When described swing arm (1) rotates, described rotary module (3) can push described shell fragment (2), and then the switch situation of described testing circuit is changed, and then the detected electric signal of described detection module changes;
Described detection module, for determining corresponding gear according to its detected electric signal.
2. gear detection device according to claim 1 is characterized in that:
Described rotary module (3) is provided with at least two projections (4);
When described swing arm (1), during along a direction rotation, each projection (4) is pushed described shell fragment (2) successively, and then the switch situation of described testing circuit is changed, and then the detected electric signal of described detection module changes.
3. gear detection device according to claim 2 is characterized in that:
Each projection (4) of same rotary module (3) is connected successively or is connected at least in part.
4. gear detection device according to claim 3 is characterized in that:
Be provided with transition face between two projections (4) that are connected.
5. gear detection device according to claim 2 is characterized in that:
Also be provided with non-compressive plane (5), described non-compressive plane (5) is arranged between adjacent two projections (4).
6. gear detection device according to claim 2 is characterized in that:
Described shell fragment (2) is identical with the quantity of rotary module (3), is at least two;
Each shell fragment (2) is corresponding one by one with rotary module (3).
7. gear detection device according to claim 1 is characterized in that:
Described rotary module (3) is provided with at least one projection (4);
Described shell fragment (2) is identical with the quantity of rotary module (3), is at least two;
Each shell fragment (2) is corresponding one by one with rotary module (3).
8. gear detection device according to claim 1 is characterized in that:
Described shell fragment (2) is provided with press section (6).
9. gear detection device according to claim 1 is characterized in that:
One end of described shell fragment (2) is stiff end (7), and the other end is free end (8);
Described stiff end (7) is connected with described testing circuit.
10. gear detection device according to claim 1 is characterized in that:
Described testing circuit comprises at least two parallel circuits;
The quantity of described shell fragment (2) is one, and this shell fragment (2) is used as the switch of described each parallel circuit simultaneously;
One end of described shell fragment (2) is stiff end (7), and the other end is free end (8);
Described stiff end (7) is connected with described testing circuit.
11. gear detection device according to claim 10 is characterized in that:
Described each parallel circuit is provided with at least one contact site (9) respectively, for the free end with described shell fragment (2) (8), contacts.
12. gear detection device according to claim 10 is characterized in that:
Described testing circuit comprises two parallel circuits, and one of them parallel circuit is provided with a contact site (9), and another parallel circuit is provided with two contact sites (9);
Described each contact site (9) contacts for the free end with described shell fragment (2) (8).
13. gear detection device according to claim 1 is characterized in that:
Described testing circuit comprises at least two parallel circuits;
The quantity of described shell fragment (2) is identical with the quantity of described parallel circuit, and each shell fragment (2) is corresponding one by one with each parallel circuit.
14., according to claim 10 to the described gear detection device of any one in 13, it is characterized in that:
Described detection module is provided with at least two detecting units;
The quantity of described detecting unit is identical with the quantity of described parallel circuit, and each detecting unit is corresponding one by one with each parallel circuit;
Described detection module, for determining corresponding gear according to the detected electric signal of each detecting unit.
15., according to the described gear detection device of any one in claim 1 to 13, it is characterized in that:
Described rotary module (3) adopts insulating material to make.
16., according to the described gear detection device of any one in claim 1 to 13, it is characterized in that:
Described electric signal comprises at least one in following signal: voltage, electric current.
17., according to the described gear detection device of claim 2 or 7, it is characterized in that:
Described rotary module (3) comprises trunk portion (10);
Described each projection (4) all is arranged on the sidewall of described trunk portion (10);
Described trunk portion (10) is provided with the pilot hole (11) that the shape with described swing arm (1) adapts.
18., according to the described gear detection device of claim 2 or 7, it is characterized in that:
The edge of the xsect of described each projection (4) all is circular arc;
The corresponding circular arc of described each projection (4) is concentric, and the radius of each circular arc is different.
19. the gear detection device for household electrical appliance, described household electrical appliance comprise the swing arm (1) for carrying out the gear conversion, it is characterized in that:
Described gear detection device comprises detection module, rotary module (3), signal generation apparatus and shell fragment (2);
Described shell fragment (2) forms the switch of described signal generation apparatus;
The signal that described detection module sends for detection of described signal generation apparatus;
Described rotary module (3) arranges with described swing arm (1) interlock;
When described swing arm (1) rotates, described rotary module (3) can push described shell fragment (2), and then the switch situation of described signal generation apparatus is changed, and then the detected signal of described detection module changes;
Described detection module, for determining corresponding gear according to its detected signal.
20. household electrical appliance, it is provided with knob, and described knob further is provided with the swing arm (1) for carrying out the gear conversion, and described household electrical appliance are provided with gear detection device If any one or more claims.
21. household electrical appliance according to claim 20 is characterized in that:
Described household electrical appliance are kitchen range.
22. household electrical appliance according to claim 21 is characterized in that:
Described detection module, also for controlling the firing system of described kitchen range based on its determined gear information.
23. the combination of kitchen range and smoke exhaust ventilator, it is provided with smoke exhaust ventilator and kitchen range, described kitchen range are provided with knob and gear detection device as described as any one in claim 1 to 19, and described knob further is provided with the swing arm (1) for carrying out the gear conversion; Described detection module, also for being sent to described smoke exhaust ventilator by its determined gear information; Described smoke exhaust ventilator, for receiving described gear information, and control keying and/or the gear size of blower fan system according to described gear information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192873.8A CN103487072A (en) | 2012-06-08 | 2012-06-08 | Household electric appliance, gear detection device thereof and combination of household electric appliance, cooker and smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192873.8A CN103487072A (en) | 2012-06-08 | 2012-06-08 | Household electric appliance, gear detection device thereof and combination of household electric appliance, cooker and smoke exhaust ventilator |
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|---|---|
| CN103487072A true CN103487072A (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210192873.8A Pending CN103487072A (en) | 2012-06-08 | 2012-06-08 | Household electric appliance, gear detection device thereof and combination of household electric appliance, cooker and smoke exhaust ventilator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166459A (en) * | 2017-06-13 | 2017-09-15 | 珠海格力电器股份有限公司 | Kitchen Ventilator and Cooking Stove combined system and its control method |
| CN107166459B (en) * | 2017-06-13 | 2019-01-22 | 珠海格力电器股份有限公司 | Kitchen Ventilator and Cooking Stove combined system and its control method |
| CN109750457A (en) * | 2017-11-03 | 2019-05-14 | 青岛海尔滚筒洗衣机有限公司 | Automatic jettison system, washing machine and detection method with detergent additive box |
| CN108253692A (en) * | 2017-12-29 | 2018-07-06 | 青岛海尔股份有限公司 | Gear sensing device, branch air-supply arrangement and refrigerator |
| CN108253692B (en) * | 2017-12-29 | 2020-01-03 | 青岛海尔股份有限公司 | Gear sensing device, branching air supply device and refrigerator |
| CN109901662A (en) * | 2019-03-26 | 2019-06-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Magnetic knob and household electrical appliance |
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