CN103308079A - Household electrical appliance and gear detection device thereof as well as stove and smoke exhaust ventilator assembly - Google Patents
Household electrical appliance and gear detection device thereof as well as stove and smoke exhaust ventilator assembly Download PDFInfo
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- CN103308079A CN103308079A CN2012100687128A CN201210068712A CN103308079A CN 103308079 A CN103308079 A CN 103308079A CN 2012100687128 A CN2012100687128 A CN 2012100687128A CN 201210068712 A CN201210068712 A CN 201210068712A CN 103308079 A CN103308079 A CN 103308079A
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Abstract
The invention provides a gear detection device for a household electrical appliance. The gear detection device comprises a detection module, a moving module and a static module; the household electrical appliance comprises a rotating rod used for performing gear shift; the moving module is linked with the rotating rod and provided with at least two contact elements; the static module is provided with connecting pieces which are in one-to-one correspondence with the contact elements; when the rotating rod is rotated to a specific angle or angle range, the corresponding contact element is contacted with the connecting piece which is corresponding to the contact element. By virtue of the change of combination relation of whether each contact element is contacted with the corresponding connecting piece, a detection signal received by the detection module changes, and the detection module is used for determining a corresponding gear according to the received detection signal, so that the gear detection precision can be obviously improved, and further the gear detection device can be effectively applied to a gear regulating mechanism with smaller rotating rod rotation amplitude. The invention provides a stove and smoke exhaust ventilator assembly.
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 day by day raising of Household electric appliance intelligent level, become gradually a hot technology for the gear detection technique of mechanical type gear adjusting mechanism.Wherein, for the mechanical type gear adjusting mechanism of swing arm type, the general detection of adopting slide rheostat to realize gear in the prior art.But there are many drawbacks in this existing technical solution: one, the principle of work of slide rheostat determined, it is difficult to be effectively applied on the less gear adjusting mechanism of swing arm rotation amplitude; Its two because resistance wire directly rubs mutually with slide plate, be easy to cause the wearing and tearing of resistance wire, and then can affect to a certain extent serviceable life, also can increase maintenance cost.
Unless sufficient evidence support is arranged, otherwise prior art described here and do not mean that and admit 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 to propose a kind of novel gear detection device that is used for household electrical appliance for the problems referred to above.
The gear detection device that is used for household electrical appliance that the present invention proposes comprises detection module, motion module and static module, and described household electrical appliance comprise be used to the swing arm that carries out the gear conversion; Described motion module and the interlock of described swing arm arrange, and described motion module is provided with at least two contact elements; Described static module is provided with and described each contact element web member one to one; When described swing arm was rotated to specific angle or angular range, corresponding contact element contacted with its corresponding web member; The variation of the syntagmatic whether described each contact element and corresponding web member contact is so that the received detection signal of described detection module changes; Described detection module is used for determining corresponding gear according to its received detection signal.As seen, two adjacent gears corresponding " syntagmatic whether each contact element and corresponding web member contact " are different.When switching between these two adjacent gears, " syntagmatic whether each contact element and corresponding web member contact " changes, and then the received detection signal of described detection module changes, and described detection module just can be determined the gear of this moment according to its received detection signal.Here, " interlock arranges " is interpreted as: during described swing arm rotation, described motion module is mobile with this swing arm.Adopt technical scheme of the present invention, can significantly promote the precision that gear detects, and then so that gear detection device is effectively applied to become possibility on the less gear adjusting mechanism of swing arm rotation amplitude.In addition, the gear detection device long service life that the present invention proposes, maintenance cost is low.
Optionally, described detection signal comprises at least a in the following signal: resistance, voltage, electric current.
Optionally, described static module comprises disk body section; Described disk body section is provided with through hole, and described swing arm passes this through hole; Described each web member all is arranged on the card of described disk body section.
Optionally, described each web member all is circular-arc, and the center of circle of the circle under them all is positioned on the axle center of described swing arm; Radius of a circle under described each web member is different.
Optionally, described each contact element adopts brush structure.
Optionally, described motion module comprises revolving fragment, and described each contact element all is arranged on this revolving fragment; Described revolving fragment is provided with the mounting hole that the shape with described swing arm adapts.
Optionally, described motion module comprises trunk portion; Described each contact element 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, described each web member adopts elastic piece structure.
Optionally, described each contact element is the projection that the circumferencial direction along described trunk portion arranges.
Optionally, the quantity of described contact element is 3 or 4 or 5 or 6.
Optionally, also be provided with and described each web member resistance R one to one
nDescribed each web member is resistance R corresponding with it respectively
nAn end be connected this resistance R
nThe other end be connected with power supply; The equal ground connection of described each contact element.Here need to be pointed out that, although with described each web member one to one resistance all use R
nExpression, but this must not illustrate and described each web member each resistance R one to one
nResistance all identical.
Optionally, described each contact element all is connected in resistance R
0Same end, described resistance R
0Other end ground connection.
Optionally, also be provided with and described each contact element resistance R one to one
nDescribed each contact element is resistance R corresponding with it respectively
nAn end be connected this resistance R
nThe other end be connected with power supply; The equal ground connection of described each web member.Here need to be pointed out that, although with described each contact element one to one resistance all use R
nExpression, but this must not illustrate and described each contact element each resistance R one to one
nResistance all identical.
Optionally, described each web member all is connected in resistance R
0Same end, described resistance R
0Other end ground connection.
Optionally, described detection signal comprises described resistance R
0Voltage between the two ends or flow through described resistance R
0Electric current.
Optionally, the quantity of described contact element is at least three; There is a contact element to contact all the time with its corresponding web member.
Optionally, the various syntagmatics whether described each contact element and corresponding web member contact, corresponding detection signal is different.
The present invention also proposes the another kind of gear detection device that is used for household electrical appliance, and described household electrical appliance comprise that described gear detection device comprises detection module, motion module and static module be used to the swing arm that carries out the gear conversion; Described motion module and the interlock of described swing arm arrange; Described motion module is provided with at least two contact elements; Described each contact element is corresponding at least one web member respectively; The quantity of described each web member is more than the quantity of described each contact element; Described each web member all is arranged on the described static module; When described swing arm was rotated to specific angle or angular range, corresponding contact element contacted with its corresponding web member; The variation of the syntagmatic whether described each contact element and corresponding web member contact is so that the received detection signal of described detection module changes; Described detection module is used for determining corresponding gear according to its received detection signal.As seen, two adjacent gears corresponding " syntagmatic whether each contact element and corresponding web member contact " are different, when switching between these two adjacent gears, " syntagmatic whether each contact element and corresponding web member contact " changes, and then the received detection signal of described detection module changes, and described detection module just can be determined the gear of this moment according to its received detection signal.Here, " interlock arranges " is interpreted as: during described swing arm rotation, described motion module is mobile with this swing arm.Adopt technical scheme of the present invention, can significantly promote the precision that gear detects, and then so that gear detection device is effectively applied to become possibility on the less gear adjusting mechanism of swing arm rotation amplitude.In addition, the gear detection device long service life that the present invention proposes, maintenance cost is low.
The present invention also proposes another gear detection device that is used for household electrical appliance, and described household electrical appliance comprise that described gear detection device also comprises detection module, motion module and static module be used to the swing arm that carries out the gear conversion; Described motion module and the interlock of described swing arm arrange; Described static module is provided with at least two web members; Respectively corresponding at least one contact element of described each web member; The quantity of described each contact element is more than the quantity of described each web member; Described each contact element all is arranged on the described motion module; When described swing arm was rotated to specific angle or angular range, corresponding web member contacted with its corresponding contact element; The variation of the syntagmatic whether described each web member and corresponding contact element contact is so that the received detection signal of described detection module changes; Described detection module is used for determining corresponding gear according to its received detection signal.As seen, two adjacent gears corresponding " syntagmatic whether each web member and corresponding contact element contact " are different, when switching between these two adjacent gears, " syntagmatic whether each web member and corresponding contact element contact " changes, and then the received detection signal of described detection module changes, and described detection module just can be determined the gear of this moment according to its received detection signal.Here, " interlock arranges " is interpreted as: during described swing arm rotation, described motion module is mobile with this swing arm.Adopt technical scheme of the present invention, can significantly promote the precision that gear detects, and then so that gear detection device is effectively applied to become possibility on the less gear adjusting mechanism of swing arm rotation amplitude.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 be used to the swing arm that carries out the gear conversion, and described household electrical appliance are provided with such as above each described gear detection device.
Optionally, described household electrical appliance are kitchen range.
Optionally, described detection module is also for the firing system of controlling 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 helped increasing ignition efficient.
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 be used to the swing arm that carries out the gear conversion; Described detection module also is used for its determined gear information is sent to described smoke exhaust ventilator; Described smoke exhaust ventilator is used for receiving described gear information, and controls keying and/or the gear size of blower fan system according to described gear information.
Foregoing invention content of the present invention is not be used to describing all possible embodiments of the present invention.In the whole application, many places provide guidance by enumerating example, and these examples can be used for various feasible combinations.
[description of drawings]
The following drawings is only done the present invention and is schematically illustrated and explain, not delimit the scope of the invention, wherein:
Fig. 1 is the STRUCTURE DECOMPOSITION figure of gear detection device embodiment 1;
Fig. 2 is the contact element of gear detection device embodiment 1 when being in zero-span and the matching relationship schematic diagram of web member;
Fig. 3 is the contact element of gear detection device embodiment 1 when being in the first gear and the matching relationship schematic diagram of web member;
Fig. 4 is the contact element of gear detection device embodiment 1 when being in the second gear and the matching relationship schematic diagram of web member;
Fig. 5 is the contact element of gear detection device embodiment 1 when being in third gear and the matching relationship schematic diagram of web member;
Fig. 6 is the contact element of gear detection device embodiment 1 when being in the fourth speed position and the matching relationship schematic diagram of web member;
Fig. 7 is the circuit theory diagrams of gear detection device embodiment 1;
Fig. 8 is the structural representation of gear detection device embodiment 2;
Fig. 9 is the structural representation of the web member of gear detection device embodiment 2;
Figure 10 is the structural representation of the contact element of gear detection device embodiment 2;
Figure 11 is the circuit theory diagrams of gear detection device embodiment 2.
Explanation about Reference numeral among the figure:
The 1-swing arm, 2-contact element, 3-web member, 4-disk body section, 5-card, 6-revolving fragment, 7-mounting hole, 8-trunk portion, 9-back-up ring, 10-protective cradle, 11-pilot hole.
[embodiment]
For making purpose of the present invention, scheme and beneficial effect more cheer and bright, the invention will be further described below in conjunction with accompanying drawing and preferred embodiment.What at first need to be explained is that in the specific descriptions to preferred implementation, same or similar feature has identical Reference numeral below.In addition, indivedual accompanying drawings only are schematic diagram, may be accurate not, in such cases, should be as the criterion with text description.
Embodiment 1
A kind of gear detection device embodiment for gas-cooker that the present invention proposes, as shown in Figure 1.Need to be pointed out that, Fig. 1 only is structural representation, and Fig. 1 only shows a part of member of gear detection device.Fig. 2 to 6 is matching relationship schematic diagram of contact element 2 and web member 3.Fig. 7 is the circuit theory diagrams of this gear detection device embodiment 1.
The swing arm 1 that this gas-cooker is provided with back-up ring 9, protective cradle 10 and is used for carrying out the gear conversion.Gear detection device comprises detection module, motion module and static module.Motion module and swing arm 1 interlock arrange.Motion module is provided with four contact elements 2, and then these four contact elements 2 link with swing arm 1.For ease of distinguishing, with four contact elements 2 from distinguishing called after the first contact element 2, the second contact element 2, the 3rd contact element 2 and the 4th contact element 2 to interior outward.Each contact element 2 all adopts brush structure.
Motion module comprises revolving fragment 6, and each contact element 2 all is arranged on this revolving fragment 6.Revolving fragment 6 is provided with the mounting hole 7 that the shape with swing arm 1 adapts.Here, " adapting " is interpreted as: the shape of mounting hole 7 is identical with the shape of the xsect of swing arm 1, and this mounting hole 7 can hold swing arm 1 and pass, and can together rotation of driven rotary sheet 6 during swing arm 1 rotation.With regard to the present embodiment, the shape of mounting hole 7 is arc.
Static module comprises disk body section 4; Disk body section 4 is provided with through hole, and swing arm 1 passes this through hole; Each web member 3 all is arranged on the card 5 of disk body section 4.Accordingly, static module is provided with and each contact element 2 four web members 3 one to one.For ease of distinguishing, with four web members 3 from distinguishing called after the first web member 3, the second web member 3, the 3rd web member 3 and the 4th web member 3 to interior outward.Each web member 3 all is circular-arc, and the center of circle of the circle under them all is positioned on the axle center of swing arm 1; Radius of a circle under each web member 3 is different, according to Zi reducing successively to interior order outward.Wherein, the 4th web member 3 is rounded, is considered as the circular arc under the ultimate limit state.Here, " axle center " is interpreted as: during swing arm 1 rotation, be in an actionless straight line on the swing arm 1, swing arm 1 is around this straight line rotation.
The first contact element 2 matches with the first web member 3, and the second contact element 2 matches with the second web member 3, and the 3rd contact element 2 matches with the 3rd web member 3, and the 4th contact element 2 matches with the 4th web member 3.When carrying out gear detection operation, motion module is rotated with swing arm 1, and static module is transfixion then.When swing arm 1 was rotated to specific angle or angular range, corresponding contact element 2 contacted with its corresponding web member 3.Should do the understanding of broad sense for " specific angular range ", as comprising 0 to 360 this special angular range of degree, with regard to the present embodiment, just the 4th contact element 2 contacts with the 4th web member 3 always in 0 to 360 this angular range of degree.
The variation of the syntagmatic whether each contact element 2 and corresponding web member 3 contact is so that the received detection signal of detection module changes.With regard to the present embodiment, the various syntagmatics whether each contact element 2 and corresponding web member 3 contact, corresponding detection signal is different.Detection module is used for determining corresponding gear according to its received detection signal.Corresponding circuit theory diagrams as shown in Figure 7.Among the figure, the A place is corresponding to the 4th contact element 2, and the B place is corresponding to the 3rd contact element 2, the C place is corresponding to the second contact element 2, and the D place is corresponding to the first contact element 2, and a place is corresponding to the 4th web member 3, the b place is corresponding to the 3rd web member 3, and the c place is corresponding to the second web member 3, and the d place is corresponding to the first web member 3.In addition, also be provided with and each contact element 2 resistance R one to one
nThe first contact element 2 resistance R corresponding with it
n(be R
1, end n=1) is connected, this resistance R
1The other end be connected with power supply.The second contact element 2 resistance R corresponding with it
n(be R
2, end n=2) is connected, this resistance R
2The other end be connected with power supply.The 3rd contact element 2 resistance R corresponding with it
n(be R
3, end n=3) is connected, this resistance R
3The other end be connected with power supply.The 4th contact element 2 resistance R corresponding with it
n(be R
4, end n=4) is connected, this resistance R
4The other end be connected with power supply.R
1, R
2, R
3, R
4The resistance of these four resistance is different.Four web members 3 all are connected in resistance R
0Same end, resistance R
0Other end ground connection.Particularly, the received detection signal of detection module is resistance R
0Voltage between the two ends.
When gas-cooker was in closed condition, namely under the zero-span state, the matching relationship of contact element and web member as shown in Figure 2.At this moment, the first contact element 2 does not contact with the first web member 3, and the second contact element 2 does not contact with the second web member 3, and the 3rd contact element 2 does not contact with the 3rd web member 3, and the 4th contact element 2 contacts with the 4th web member 3.At this moment, detection module receives a specific magnitude of voltage (all not identical with the corresponding magnitude of voltage that receives of other gears), and owing to storing the magnitude of voltage that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just that also this moment, gas-cooker was in the zero-span state when receiving this specific magnitude of voltage.In addition, when detection module determined that be in zero-span this moment, this detection module also can be in current gas-cooker this information of zero-span and be sent to smoke exhaust ventilator.After smoke exhaust ventilator receives " current gas-cooker is in zero-span " this information, if blower fan system moves, just order blower fan system to be closed.
When gas-cooker was in fired state, namely under the first range state, the matching relationship of contact element and web member as shown in Figure 3.At this moment, the first contact element 2 contacts with the first web member 3, and the second contact element 2 does not contact with the second web member 3, and the 3rd contact element 2 does not contact with the 3rd web member 3, and the 4th contact element 2 contacts with the 4th web member 3.At this moment, detection module receives a specific magnitude of voltage (all not identical with the corresponding magnitude of voltage that receives of other gears), and owing to storing the magnitude of voltage that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just that also this moment, gas-cooker was in the first range state when receiving this specific magnitude of voltage.In addition, when detection module determined that be in the first gear this moment, just the firing system to kitchen range sent ignition order, just made the ignition electrode sparking.
When gas-cooker was in little fiery state, namely under the second range state, the matching relationship of contact element and web member as shown in Figure 4.At this moment, the first contact element 2 does not contact with the first web member 3, and the second contact element 2 contacts with the second web member 3, and the 3rd contact element 2 does not contact with the 3rd web member 3, and the 4th contact element 2 contacts with the 4th web member 3.At this moment, detection module receives a specific magnitude of voltage (all not identical with the corresponding magnitude of voltage that receives of other gears), and owing to storing the magnitude of voltage that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just that also this moment, gas-cooker was in the second range state when receiving this specific magnitude of voltage.In addition, when detection module determined that be in the second gear this moment, this detection module also can be in current gas-cooker this information of the second gear and be sent to smoke exhaust ventilator.Smoke exhaust ventilator just orders blower fan system to turn round under low-speed mode after receiving " current gas-cooker is in the second gear " this information.
When gas-cooker was in the moderate heat state, namely under the third gear state, the matching relationship of contact element and web member as shown in Figure 5.At this moment, the first contact element 2 does not contact with the first web member 3, and the second contact element 2 contacts with the second web member 3, and the 3rd contact element 2 contacts with the 3rd web member 3, and the 4th contact element 2 contacts with the 4th web member 3.At this moment, detection module receives a specific magnitude of voltage (all not identical with the corresponding magnitude of voltage that receives of other gears), and owing to storing the magnitude of voltage that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just that also this moment, gas-cooker was in the third gear state when receiving this specific magnitude of voltage.In addition, when detection module determined that be in third gear this moment, this detection module also can be in current gas-cooker this information of third gear and be sent to smoke exhaust ventilator.Smoke exhaust ventilator just orders blower fan system to turn round under middle fast mode after receiving " current gas-cooker is in third gear " this information.
When gas-cooker was in the big fire state, namely under the state of fourth speed position, the matching relationship of contact element and web member as shown in Figure 6.At this moment, the first contact element 2 does not contact with the first web member 3, and the second contact element 2 does not contact with the second web member 3, and the 3rd contact element 2 contacts with the 3rd web member 3, and the 4th contact element 2 contacts with the 4th web member 3.At this moment, detection module receives a specific magnitude of voltage (all not identical with the corresponding magnitude of voltage that receives of other gears), and owing to storing the magnitude of voltage that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just that also this moment, gas-cooker was in fourth speed position state when receiving this specific magnitude of voltage.In addition, when detection module determined that be in the fourth speed position this moment, this detection module also can be in current gas-cooker this information of fourth speed position and be sent to smoke exhaust ventilator.Smoke exhaust ventilator just orders blower fan system to turn round under fast mode after receiving " current gas-cooker is in the fourth speed position " this information.
Below only be the preferred embodiments of the present invention, some technical characterictic is made amendment or replaced the embodiment that can also obtain other.As, do not require utterly in the various syntagmatics (being called for short " syntagmatic ") that whether each contact element and corresponding web member contact the corresponding detection signal of any two syntagmatics all not identical, do not require utterly any two gears corresponding " syntagmatic " all not identical yet; But it is identical to satisfy at least two adjacent gears corresponding two kinds " syntagmatics ", and corresponding detection signal is not identical yet.For another example, 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, particularly, the received detection signal of detection module also can be for flowing through resistance R
0Electric current.For another example, concrete setting is not limited with the present embodiment for gear.For another example, the quantity of contact element can also be 2 or 3 or 5 or 6 or more.For another example, contact element and the web member position in circuit theory diagrams can be exchanged.For another example, power end and the earth terminal position in circuit theory diagrams also can be exchanged.For another example, also can be respectively corresponding two or more web member of each contact element.For another example, can also be respectively corresponding two or more contact element of each web member.
The present invention also proposes the another kind of gear detection device embodiment that is used for gas-cooker, as shown in Figure 8.Need to be pointed out that, Fig. 8 only is structural representation, and Fig. 8 only shows a part of member of gear detection device.Fig. 9 is the structural representation of web member 3.Figure 10 is the structural representation of contact element 2.Figure 11 is the circuit theory diagrams of this gear detection device embodiment 2.
This gas-cooker is provided be used to the swing arm 1 that carries out the gear conversion.Gear detection device comprises detection module, motion module and static module.Motion module and swing arm 1 interlock arrange.Motion module is provided with three contact elements 2, and then these three contact elements 2 link with swing arm 1.Motion module comprises that 8, three contact elements 2 of trunk portion all are arranged on the sidewall of trunk portion 8, shown in Fig. 8 and 10.Each contact element 2 is the projection that arranges along the circumferencial direction of trunk portion 8.For ease of distinguishing, three contact elements 2 are distinguished called after the 5th contact element 2, the 6th contact element 2 and the 7th contact element 2 from bottom to top.From top to bottom, contact element 2 is divided into two-layer up and down.Wherein, the 5th contact element 2 is in lower floor, and the 6th contact element 2 and the 7th contact element 2 are in the upper strata.In addition, trunk portion 8 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 drive trunk portion 8 during swing arm 1 rotation and rotate together.With regard to the present embodiment, the shape of pilot hole 11 is arc.
Static module is provided with two web members 3.Two web members 3 all adopt elastic piece structure, shown in Fig. 8 and 9.For ease of distinguishing, two web members 3 are distinguished called after the 5th web member 3 and the 6th web member 3 from bottom to top.The 5th contact element 2 matches with the 5th web member 3.The 6th contact element 2, the 7th contact element 2 all match with the 6th web member 3.
The variation of the syntagmatic whether each web member 3 and corresponding contact element 2 contact is so that the received detection signal of detection module changes.Detection module is used for determining corresponding gear according to its received detection signal.With regard to the present embodiment, the various syntagmatics whether each web member 3 and corresponding contact element 2 contact, corresponding detection signal is different.Corresponding circuit theory diagrams as shown in figure 11.Among the figure, the E place is corresponding to the 5th contact element 2, and the F place is corresponding to the 6th contact element 2 and the 7th contact element 2, and the e place is corresponding to the 5th web member 3, and the f place is corresponding to the 6th web member 3.In addition, also be provided with the resistance R corresponding with the 5th contact element 2
n(be R
5, n=5), and with the 6th contact element 2, resistance R that the 7th contact element 2 is corresponding
n(be R
6, n=6).The 5th contact element 2 resistance R corresponding with it
5An end be connected this resistance R
5The other end be connected with power supply.The 6th contact element 2, the 7th contact element 2 be resistance R corresponding with it all
6Same end be connected this resistance R
6The other end be connected with power supply.R
5With R
6Resistance different.The 5th web member 3 and the 6th web member 3 all are connected in resistance R
0Same end, resistance R
0Other end ground connection.Particularly, the received detection signal of detection module is for flowing through resistance R
0Electric current.
When swing arm 1 was rotated, trunk portion 8 was rotated with swing arm 1, and static module is transfixion then.When swing arm 1 was rotated to a certain angular range, the 5th web member 3 did not contact with the 5th contact element 2, the 6th web member 3 contact with corresponding contact element 2 (in fact, be only with the 6th contact element 2, the 7th contact element 2 the two one of contact).At this moment, detection module receives a specific current value (all not identical with the corresponding current value that receives of other gears), and owing to storing the current value that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just also this moment, which gear gas-cooker was in when receiving this specific current value.
When swing arm 1 was rotated to another angular range, the 5th contact element 2 contacted with the 5th web member 3, the 6th web member 3 contact with corresponding contact element 2 (in fact, be only with the 6th contact element 2, the 7th contact element 2 the two one of contact).At this moment, detection module receives a specific current value (all not identical with the corresponding current value that receives of other gears), and owing to storing the current value that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just also this moment, which gear gas-cooker was in when receiving this specific current value.
When swing arm 1 was rotated to another angular range, the 5th contact element 2 contacted with the 5th web member 3, and the 6th web member 3 does not contact (that is, the 6th web member 3 does not all contact with the 6th contact element 2, the 7th contact element 2) with corresponding contact element 2.At this moment, detection module receives a specific current value (all not identical with the corresponding current value that receives of other gears), and owing to storing the current value that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just also this moment, which gear gas-cooker was in when receiving this specific current value.
When swing arm 1 was rotated to an angular range again, the 5th contact element 2 did not contact with the 5th web member 3, and the 6th web member 3 does not contact (that is, the 6th web member 3 does not all contact with the 6th contact element 2, the 7th contact element 2) with corresponding contact element 2.At this moment, detection module receives a specific current value (all not identical with the corresponding current value that receives of other gears), and owing to storing the current value that receives and the corresponding relation between the gear in the detection module, therefore, detection module can determine just also this moment, which gear gas-cooker was in when receiving this specific current value.
Need annotatedly to be, the present invention should not be understood to only limit to embodiment described above, but should be understood to cover claim of 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 to any simple modification, equivalent variations and modification that above embodiment does, all belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.What need especially one is based on any bad application that changes of the present invention, still to belong to the protection domain of technical solution of the present invention.
Claims (23)
1. gear detection device that is used for household electrical appliance, described household electrical appliance comprise be used to the swing arm (1) that carries out the gear conversion, it is characterized in that:
Described gear detection device comprises detection module, motion module and static module;
Described motion module and described swing arm (1) interlock arrange, and described motion module is provided with at least two contact elements (2);
Described static module is provided with and described each contact element (2) web member (3) one to one;
When described swing arm (1) was rotated to specific angle or angular range, corresponding contact element (2) contacted with its corresponding web member (3);
The variation of the syntagmatic whether described each contact element (2) and corresponding web member (3) contact is so that the received detection signal of described detection module changes;
Described detection module is used for determining corresponding gear according to its received detection signal.
2. gear detection device according to claim 1 is characterized in that:
Described detection signal comprises at least a in the following signal: resistance, voltage, electric current.
3. gear detection device according to claim 1 is characterized in that:
Described static module comprises disk body section (4);
Described disk body section (4) is provided with through hole, and described swing arm (1) passes this through hole;
Described each web member (3) all is arranged on the card (5) of described disk body section (4).
4. gear detection device according to claim 3 is characterized in that:
Described each web member (3) all is circular-arc, and the center of circle of the circle under them all is positioned on the axle center of described swing arm (1);
Radius of a circle under described each web member (3) is different.
5. gear detection device according to claim 3 is characterized in that:
Described each contact element (2) adopts brush structure.
6. gear detection device according to claim 3 is characterized in that:
Described motion module comprises revolving fragment (6), and described each contact element (2) all is arranged on this revolving fragment (6);
Described revolving fragment (6) is provided with the mounting hole (7) that the shape with described swing arm (1) adapts.
7. gear detection device according to claim 1 is characterized in that:
Described motion module comprises trunk portion (8);
Described each contact element (2) all is arranged on the sidewall of described trunk portion (8);
Described trunk portion (8) is provided with the pilot hole (11) that the shape with described swing arm (1) adapts.
8. gear detection device according to claim 7 is characterized in that:
Described each web member (3) adopts elastic piece structure.
9. gear detection device according to claim 7 is characterized in that:
Described each contact element (2) is the projection along the circumferencial direction setting of described trunk portion (8).
10. each described gear detection device in 9 according to claim 1 is characterized in that:
The quantity of described contact element (2) is 3 or 4 or 5 or 6.
11. gear detection device according to claim 1 is characterized in that:
Also be provided with and described each web member resistance R one to one
n
Described each web member is resistance R corresponding with it respectively
nAn end be connected this resistance R
nThe other end be connected with power supply;
The equal ground connection of described each contact element.
12. gear detection device according to claim 11 is characterized in that:
Described each contact element all is connected in resistance R
0Same end, described resistance R
0Other end ground connection.
13. gear detection device according to claim 1 is characterized in that:
Also be provided with and described each contact element (2) resistance R one to one
n
Described each contact element (2) is resistance R corresponding with it respectively
nAn end be connected this resistance R
nThe other end be connected with power supply;
Described each web member (3) is ground connection all.
14. gear detection device according to claim 13 is characterized in that:
Described each web member (3) all is connected in resistance R
0Same end, described resistance R
0Other end ground connection.
15. according to claim 12 or 14 described gear detection device, it is characterized in that:
Described detection signal comprises described resistance R
0Voltage between the two ends or flow through described resistance R
0Electric current.
16. gear detection device according to claim 1 is characterized in that:
The quantity of described contact element (2) is at least three;
There is a contact element (2) to contact all the time with its corresponding web member (3).
17. each described gear detection device in 9 according to claim 1 is characterized in that:
The various syntagmatics whether described each contact element (2) and corresponding web member (3) contact, corresponding detection signal is different.
18. a gear detection device that is used for household electrical appliance, described household electrical appliance comprise be used to the swing arm that carries out the gear conversion, it is characterized in that:
Described gear detection device comprises detection module, motion module and static module;
Described motion module and the interlock of described swing arm arrange;
Described motion module is provided with at least two contact elements;
Described each contact element is corresponding at least one web member respectively;
The quantity of described each web member is more than the quantity of described each contact element;
Described each web member all is arranged on the described static module;
When described swing arm was rotated to specific angle or angular range, corresponding contact element contacted with its corresponding web member;
The variation of the syntagmatic whether described each contact element and corresponding web member contact is so that the received detection signal of described detection module changes;
Described detection module is used for determining corresponding gear according to its received detection signal.
19. a gear detection device that is used for household electrical appliance, described household electrical appliance comprise be used to the swing arm (1) that carries out the gear conversion, it is characterized in that:
Described gear detection device also comprises detection module, motion module and static module;
Described motion module and described swing arm (1) interlock arrange;
Described static module is provided with at least two web members (3);
Respectively corresponding at least one contact element (2) of described each web member (3);
The quantity of described each contact element (2) is more than the quantity of described each web member (3);
Described each contact element (2) all is arranged on the described motion module;
When described swing arm (1) was rotated to specific angle or angular range, corresponding web member (3) contacted with its corresponding contact element (2);
The variation of the syntagmatic whether described each web member (3) and corresponding contact element (2) contact is so that the received detection signal of described detection module changes;
Described detection module is used for determining corresponding gear according to its received detection signal.
20. household electrical appliance, it is provided with knob, and described knob further is provided be used to the swing arm that carries out the gear conversion, and described household electrical appliance are provided with such as the described gear detection device of above each claim.
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 is also for the firing system of controlling 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, and described kitchen range are provided with knob and such as each described gear detection device in the claim 1 to 19, described knob further is provided be used to the swing arm that carries out the gear conversion; Described detection module also is used for its determined gear information is sent to described smoke exhaust ventilator; Described smoke exhaust ventilator is used for receiving described gear information, and controls keying and/or the gear size of blower fan system according to described gear information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100687128A CN103308079A (en) | 2012-03-12 | 2012-03-12 | Household electrical appliance and gear detection device thereof as well as stove and smoke exhaust ventilator assembly |
| PCT/IB2013/051853 WO2013136237A1 (en) | 2012-03-12 | 2013-03-08 | Rotary encoder suitable for a gas cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100687128A CN103308079A (en) | 2012-03-12 | 2012-03-12 | Household electrical appliance and gear detection device thereof as well as stove and smoke exhaust ventilator assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103308079A true CN103308079A (en) | 2013-09-18 |
Family
ID=49133562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100687128A Pending CN103308079A (en) | 2012-03-12 | 2012-03-12 | Household electrical appliance and gear detection device thereof as well as stove and smoke exhaust ventilator assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103308079A (en) |
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| CN109109628A (en) * | 2017-06-26 | 2019-01-01 | 矢崎总业株式会社 | Vehicle sun visor |
| 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 |
| CN111043630A (en) * | 2014-07-30 | 2020-04-21 | 博西华电器（江苏）有限公司 | Operating device of stove and stove |
| CN111089313A (en) * | 2018-10-24 | 2020-05-01 | 迪尔阿扣基金两合公司 | Knob assembly, smoke stove system with knob assembly and control method of smoke stove system |
| CN113217962A (en) * | 2021-05-24 | 2021-08-06 | 梁启明 | Range hood based on fluid pressure adsorption type |
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| CN113217962A (en) * | 2021-05-24 | 2021-08-06 | 梁启明 | Range hood based on fluid pressure adsorption type |
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