CN206272530U - Reversing relay and range hood comprising same - Google Patents
Reversing relay and range hood comprising same Download PDFInfo
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- CN206272530U CN206272530U CN201621252513.2U CN201621252513U CN206272530U CN 206272530 U CN206272530 U CN 206272530U CN 201621252513 U CN201621252513 U CN 201621252513U CN 206272530 U CN206272530 U CN 206272530U
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- coil
- controlling switch
- contact
- throw over
- over relay
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- 239000006096 absorbing agent Substances 0.000 claims abstract description 9
- 239000006233 lamp black Substances 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Relay Circuits (AREA)
Abstract
A reversing relay comprises a reversing circuit, wherein the reversing circuit comprises a first coil, a second coil, a first connecting switch and a second connecting switch, and a first movable contact of the first connecting switch is connected with a third movable contact of the second connecting switch; the second movable contact of the first connecting switch is connected with the fourth movable contact of the second connecting switch; when the first coil is electrified and the second coil is not electrified, the first coil triggers a first fixed contact of the first connecting switch to be connected with the first movable contact, and the second coil triggers a second fixed contact of the second connecting switch to be connected with the fourth movable contact; when the first coil is not electrified and the second coil is electrified, the first coil triggers the first fixed contact to be connected with the second movable contact, and the second coil triggers the second fixed contact to be connected with the third movable contact. The utility model discloses among the switching-over circuit, the triode has been got rid of to reduce the loss of relay to and generate heat. The utility model discloses still disclose a lampblack absorber that contains this switching-over relay.
Description
Technical field
The utility model is related to relay technical field, more particularly to a kind of throw over relay and containing the throw over relay
Lampblack absorber.
Background technology
In order to improve the environment in kitchen, present kitchen instead of traditional exhaust fan using lampblack absorber to exclude oil smoke.
Lampblack absorber is typically provided cover and push rod for the ease of dismantling and cleaning, and open and close cover is pushed away by push rod, and the drive of push rod
General DC motor and throw over relay is moved to realize.
In the prior art, the commutating circuit in throw over relay is generally every power line of H-bridge circuit, i.e. direct current generator
It is connected with two triodes respectively, then four switch motions not in the same time of triode is realized by PWM control modes, with
Reach the purpose in switching electric current direction.
Above-mentioned throw over relay is general to close just advantageous just for some speed controls requirement high field, in H-bridge circuit
Four triodes are required for special extra drive or driving chip, and match somebody with somebody in the direct current generator larger with some power
When conjunction is used, because the electric current of direct current generator all flows through four triodes, cause the heating of triode also can than more serious, it is necessary to
Coordinate extra heat abstractor so that circuit structure is complicated, take up room big, and production cost is high.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of throw over relay of commutating circuit simple structure, to reduce
The loss and heating of throw over relay, improve the stability of throw over relay.
A kind of throw over relay, including commutating circuit, the commutating circuit include first coil, the second coil and described
Corresponding first connecting valve of first coil and the second connecting valve corresponding with second coil, wherein,
First armature contact of first connecting valve is connected with the 3rd armature contact of second connecting valve；
Second armature contact of first connecting valve is connected with the 4th armature contact of second connecting valve；
When first coil energization, the second coil no power, first coil triggering first connection
First fixed contact of switch be connected with first armature contact, and the of second coil triggering, second connecting valve
Two fixed contacts are connected with the 4th armature contact, i.e., positive connection；
When the first coil no power, second coil electricity, the first coil triggering described first is fixed
Contact is connected with second armature contact, and second coil triggers second fixed contact and the 3rd armature contact
Connection, i.e. Opposite direction connection.
Compare prior art, in commutating circuit described in the utility model, eliminate triode, by the first coil and
Second coil is come in triggering first connecting valve, second connecting valve between armature contact and fixed contact
Annexation realizes commutation, so as to reduce the loss and heating of the throw over relay, improves the steady of the throw over relay
It is qualitative.
Further, the throw over relay also includes the control circuit being connected with the commutating circuit, wherein,
Described control circuit one end respectively with the first coil, one end of second coil are connected, for controlling
The break-make of the first coil, second coil；
The other end of the first coil is connected with the other end of second coil, for connecting the first dc source.
Further, first armature contact is connected with the 3rd armature contact, for connecting the second dc source
Positive pole.
Further, second armature contact is connected with the 4th armature contact, for connecting the second dc source
Negative pole.
Further, when the throw over relay is connected with direct current generator, the power line of the direct current generator respectively with
First fixed contact and second fixed contact are connected, wherein,
When first coil energization, the second coil no power, the first coil triggering described first is fixed
Contact is connected with first armature contact, and second coil triggers second fixed contact and the 4th armature contact
Connection, the direct current generator is rotated forward；
When the first coil no power, second coil electricity, the first coil triggering described first is fixed
Contact is connected with second armature contact, and second coil triggers second fixed contact and the 3rd armature contact
Connection, the direct current generator reversion.
Further, the control circuit includes the first controlling switch and the second controlling switch, wherein,
First controlling switch is connected with the first coil, the break-make for controlling the first coil；
Second controlling switch is connected with second coil, the break-make for controlling second coil.
Further, first controlling switch and second controlling switch are all triode, wherein,
The colelctor electrode of first controlling switch is connected with the first coil, grounded emitter, and base stage is external and is used for
Control the break-make of first controlling switch；
The colelctor electrode of second controlling switch is connected with second coil, grounded emitter, and base stage is external and is used for
Control the break-make of second controlling switch.
Further, linkage element is provided between first controlling switch and second controlling switch, wherein,
When first controlling switch is closed, the linkage element linkage second controlling switch is normally opened；
When second controlling switch is closed, the linkage element linkage first controlling switch is normally opened.
A kind of lampblack absorber, including fume-exhausting body, the cover on the fume-exhausting body, located at the fume-exhausting sheet
Push rod between body and the cover, the motor being connected with the push rod on the fume-exhausting body, and described change
To relay, wherein,
The throw over relay is connected with the motor, for controlling rotating and reverse for the motor；
When the motor rotates forward certain angle, the push rod pushes the cover open；
When the motor inverts certain angle, the push rod closes the cover.
Brief description of the drawings
Fig. 1 is a kind of structural representation of lampblack absorber of offer in the embodiment of the utility model one；
Fig. 2 is the structured flowchart of throw over relay in the utility model first embodiment；
Fig. 3 is the circuit diagram of control circuit and commutating circuit in Fig. 2；
Fig. 4 is the circuit diagram in Fig. 3 when first coil energization, the second coil no power；
Fig. 5 is the circuit diagram in Fig. 3 when first coil no power, the second coil electricity；
Fig. 6 is the circuit diagram of control circuit and commutating circuit in the utility model second embodiment.
Main element symbol description：
| Fume-exhausting body | 100 | Throw over relay | 200 |
| Cover | 300 | Push rod | 400 |
| Motor | 500 | Control circuit | 201,201a |
| Commutating circuit | 202 | First coil | Coil1 |
| Second coil | Coil2 | First connecting valve | S1 |
| First armature contact | 11 | Second armature contact | 12 |
| Second connecting valve | S2 | 3rd armature contact | 13 |
| 4th armature contact | 14 | First fixed contact | 15 |
| Second fixed contact | 16 | Linkage element | 17 |
| First controlling switch | Q1,Q1a | Second controlling switch | Q2,Q2a |
Following specific embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Some embodiments of the present utility model are given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Fig. 1 is referred to, a kind of lampblack absorber provided in the utility model, including fume-exhausting body 100, located at the oil suction
Cover 300 on cigarette body 100, the push rod 400 between the fume-exhausting body 100 and the cover 300, located at described
The motor 500 being connected with the push rod 400 on fume-exhausting body 100, and throw over relay 200, wherein,
The throw over relay 200 is connected with the motor 500, the rotating forward for controlling the motor 500
And reversion；
When the motor 500 rotates forward certain angle, the push rod 400 pushes the cover 300 open；
When the motor 500 inverts certain angle, the push rod 400 closes the cover 300.
Fig. 2 to Fig. 5, a kind of throw over relay 200, including commutating circuit 202 are referred to, the commutating circuit 202 includes
First coil Coil1, the second coil Coil2 first connecting valve S1 corresponding with the first coil Coil1 and with described
The corresponding second connecting valve S2 of two coil Coil2, wherein,
3rd armature contact of first armature contact 11 of the first connecting valve S1 and the second connecting valve S2
13 connections；
4th armature contact of second armature contact 12 of the first connecting valve S1 and the second connecting valve S2
14 connections；
When first coil Coil1 energizations, the second coil Coil2 no powers, the first coil Coil1 is touched
The first fixed contact 15 for sending out the first connecting valve S1 described is connected with first armature contact 11, second coil
The second fixed contact 16 that Coil2 triggers the second connecting valve S2 is connected with the 4th armature contact 14, i.e., positive to connect
Connect；
When the first coil Coil1 no powers, the second coil Coil2 are powered, the first coil Coil1 is touched
Send out the first fixed contact 15 described is connected with second armature contact 12, and the second coil Coil2 triggerings described second are consolidated
Fixed contact 16 is connected with the 3rd armature contact 13, i.e. Opposite direction connection.
Fig. 2 and Fig. 3 is referred to, the throw over relay 200 also includes the control circuit being connected with the commutating circuit 202
201, wherein,
The control circuit 201 one end, one end of the second coil Coil2 respectively with the first coil Coil1
Connection, the break-make for controlling the first coil Coil1, the second coil Coil2；
The other end of the first coil Coil1 is connected with the other end of the second coil Coil2, for connecting first
Dc source.
Fig. 3 is referred to, first armature contact 11 is connected with the 3rd armature contact 13, for connecting the second direct current
The positive pole of power supply.
Fig. 3 is referred to, second armature contact 12 is connected with the 4th armature contact 14, for connecting the second direct current
The negative pole of power supply.
Fig. 3 to Fig. 5 is referred to, when the throw over relay 200 is connected with direct current generator, the power supply of the direct current generator
Line is connected with first fixed contact 15 and second fixed contact 16 respectively, wherein,
When first coil Coil1 energizations, the second coil Coil2 no powers, the first coil Coil1 is touched
Send out the first fixed contact 15 described is connected with first armature contact 11, and the second coil Coil2 triggerings described second are consolidated
Fixed contact 16 is connected with the 4th armature contact 14, and the direct current generator is rotated forward；
When the first coil Coil1 no powers, the second coil Coil2 are powered, the first coil Coil1 is touched
Send out the first fixed contact 15 described is connected with second armature contact 12, and the second coil Coil2 triggerings described second are consolidated
Fixed contact 16 is connected with the 3rd armature contact 13, the direct current generator reversion.
Fig. 3 is referred to, the control circuit 201 includes the first controlling switch Q1 and the second controlling switch Q2, wherein,
The first controlling switch Q1 is connected with the first coil Coil1, for controlling the first coil Coil1's
Break-make；
The second controlling switch Q2 is connected with the second coil Coil2, for controlling the second coil Coil2's
Break-make.
Specifically, in the present embodiment, the first controlling switch Q1 and the second controlling switch Q2 is triode, its
In,
The colelctor electrode of the first controlling switch Q1 is connected with the first coil Coil1, and grounded emitter, base stage is external
And for controlling the break-make of the first controlling switch Q1；
The colelctor electrode of the second controlling switch Q2 is connected with the second coil Coil2, and grounded emitter, base stage is external
And for controlling the break-make of the second controlling switch Q2.
Only can just be controlled by the first controlling switch Q1 and the second controlling switch Q2 in the control circuit 201
Make the first coil Coil1 and the second coil Coil2 to realize the commutation of the commutating circuit 202, with prior art
In PWM controls compare, unnecessary drive circuit and driving chip is removed so that the structure of circuit becomes simple, while reducing
Cost.
Prior art is compared, in commutating circuit described in the utility model 202, triode is eliminated, by the First Line
Circle Coil1 and the second coil Coil2 is touched come activity in triggering the first connecting valve S1, the second connecting valve S2
Annexation between point and fixed contact realizes commutation, so that the structure of the commutating circuit 202 becomes simpler,
Take up room reduction, reduces the loss and heating of the throw over relay 200, improves the stability of the throw over relay 200.
Fig. 6 is referred to, is a kind of control circuit 201a of offer in the utility model second embodiment, institute in the present embodiment
State control circuit 201a more or less the same with control circuit 201 described in first embodiment, during difference is the present embodiment, institute
State and be provided with linkage element 17 between the first controlling switch Q1a and the second controlling switch Q2a, wherein,
When the first controlling switch Q1a is closed, the second controlling switch Q2a that links of the linkage element 17 is normal
Open；
When the second controlling switch Q2a is closed, the first controlling switch Q1a that links of the linkage element 17 is normal
Open.
Act on ensuring that the first controlling switch Q1a and second control are opened by the linkage of the linkage element 17
Closing Q2a only one of which can close to realize the safety of the control circuit 201a.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of throw over relay, including commutating circuit, it is characterised in that：The commutating circuit includes first coil, the second line
Circle the first connecting valve corresponding with the first coil and the second connecting valve corresponding with second coil, wherein,
First armature contact of first connecting valve is connected with the 3rd armature contact of second connecting valve；
Second armature contact of first connecting valve is connected with the 4th armature contact of second connecting valve；
When first coil energization, the second coil no power, the first coil triggers first connecting valve
The first fixed contact be connected with first armature contact, what second coil triggered second connecting valve second consolidates
Fixed contact is connected with the 4th armature contact, i.e., positive connection；
When the first coil no power, second coil electricity, the first coil triggers first fixed contact
It is connected with second armature contact, second coil triggers second fixed contact and connects with the 3rd armature contact
Connect, i.e. Opposite direction connection.
2. throw over relay according to claim 1, it is characterised in that the throw over relay also includes and the commutation
The control circuit of circuit connection, wherein,
Described control circuit one end respectively with the first coil, one end of second coil be connecteds, described in controlling
The break-make of first coil, second coil；
The other end of the first coil is connected with the other end of second coil, for connecting the first dc source.
3. throw over relay according to claim 1, it is characterised in that first armature contact and the described 3rd activity
Contact portion, the positive pole for connecting the second dc source.
4. throw over relay according to claim 1, it is characterised in that second armature contact and the described 4th activity
Contact portion, the negative pole for connecting the second dc source.
5. throw over relay according to claim 1, it is characterised in that when the throw over relay is connected with direct current generator
When, the power line of the direct current generator is connected with first fixed contact and second fixed contact respectively, wherein,
When first coil energization, the second coil no power, the first coil triggers first fixed contact
It is connected with first armature contact, second coil triggers second fixed contact and connects with the 4th armature contact
Connect, the direct current generator is rotated forward；
When the first coil no power, second coil electricity, the first coil triggers first fixed contact
It is connected with second armature contact, second coil triggers second fixed contact and connects with the 3rd armature contact
Connect, the direct current generator reversion.
6. throw over relay according to claim 2, it is characterised in that the control circuit include the first controlling switch and
Second controlling switch, wherein,
First controlling switch is connected with the first coil, the break-make for controlling the first coil；
Second controlling switch is connected with second coil, the break-make for controlling second coil.
7. throw over relay according to claim 6, it is characterised in that first controlling switch and second control
Switch is all triode, wherein,
The colelctor electrode of first controlling switch is connected with the first coil, and grounded emitter, base stage is external and for controlling
The break-make of first controlling switch；
The colelctor electrode of second controlling switch is connected with second coil, and grounded emitter, base stage is external and for controlling
The break-make of second controlling switch.
8. throw over relay according to claim 6, it is characterised in that first controlling switch and second control
Linkage element is provided between switch, wherein,
When first controlling switch is closed, the linkage element linkage second controlling switch is normally opened；
When second controlling switch is closed, the linkage element linkage first controlling switch is normally opened.
9. a kind of lampblack absorber, including fume-exhausting body, the cover on the fume-exhausting body, located at the fume-exhausting body
With the push rod between the cover, the motor being connected with the push rod on the fume-exhausting body, and claim 1
To the throw over relay described in 8 any one, wherein,
The throw over relay is connected with the motor, for controlling rotating and reverse for the motor；
When the motor rotates forward certain angle, the push rod pushes the cover open；
When the motor inverts certain angle, the push rod closes the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621252513.2U CN206272530U (en) | 2016-11-16 | 2016-11-16 | Reversing relay and range hood comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621252513.2U CN206272530U (en) | 2016-11-16 | 2016-11-16 | Reversing relay and range hood comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272530U true CN206272530U (en) | 2017-06-20 |
Family
ID=59040375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621252513.2U Active CN206272530U (en) | 2016-11-16 | 2016-11-16 | Reversing relay and range hood comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206272530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610979A (en) * | 2017-10-24 | 2018-01-19 | 金陵科技学院 | A kind of elevating lever based on Control |
| CN110386084A (en) * | 2018-04-23 | 2019-10-29 | 安电株式会社 | Load drive device |
-
2016
- 2016-11-16 CN CN201621252513.2U patent/CN206272530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610979A (en) * | 2017-10-24 | 2018-01-19 | 金陵科技学院 | A kind of elevating lever based on Control |
| CN110386084A (en) * | 2018-04-23 | 2019-10-29 | 安电株式会社 | Load drive device |
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