CN206418314U - A kind of overload protection device of electric clothes airing machine - Google Patents
A kind of overload protection device of electric clothes airing machine Download PDFInfo
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- CN206418314U CN206418314U CN201720035476.8U CN201720035476U CN206418314U CN 206418314 U CN206418314 U CN 206418314U CN 201720035476 U CN201720035476 U CN 201720035476U CN 206418314 U CN206418314 U CN 206418314U
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- clothes airing
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Abstract
The utility model is related to a kind of overload protection device of electric clothes airing machine; by using the heavy amount of extension for hanging weight signal acquisition module detection electric clothes airing machine; which kind of state is in again to determine that clothes airing machine is hung; electronic switch is disconnected when the heavy amount of extension reaches overload condition or forbids it to close; so as to carry out stoppage protection or forbid operation; and sound or display image can be carried out, and user can be reminded before motor operation, it is more safe and reliable.It is fixed on due to hanging weight signal acquisition module on clothes airing machine, weight information is hung by elastic deformation or stretching, compressive deformation detection, hung release again after; deformation also can clear-cutting forestland; so the overload protection device of electric clothes airing machine described in the utility model, without renewal part, service life is long.
Description
【Technical field】
The utility model is related to a kind of overload protection device of electric clothes airing machine.
【Background technology】
With the fast development of electric clothes airing machine, electric clothes airing machine progressively enters into huge numbers of families, and user is to electric clothes airing machine
Use propose higher and higher safety requirements.The most of all bases of electric clothes airing machine overload protection device occurred in the market
In overload overtemperature protection, the protection of fuse overload flow and the detection of excessively stream partial pressure of motor in itself, to realize electric clothes airing machine
Overload protection, with upper type in the overweight implementation process of weight is hung, can all there is certain defect, such as the inspection of motor overload overheat
The hysteresis quality of survey can not realize the overweight immediate feedback of electric clothes airing machine, and the protection of fuse overload flow, which exists, needs weight after overload
New to change fuse protection device, the detection of excessively stream partial pressure, which exists, detects spread of voltage, and having differences property of data of detection etc. is all
Many problems.
【The content of the invention】
For above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of more safe and reliable
Electric clothes airing machine overload protection device.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of overload protection device of electric clothes airing machine, including hang weight signal acquisition module, signal analysis and processing module,
MCU controllers, electronic switch, the extension weight signal acquisition module, are connected on electric clothes airing machine, for gathering institute on clothes airing machine
The weight information of hanging and airing clothes, and it is sent to signal analysis and processing module；The signal analysis and processing module, will receive weight
Amount information is sent to MCU controllers by being converted into electric signal after amplifying filtering process parsing；The MCU controllers, according to
The electric signal received, judges the extension weight state of clothes airing machine, and sends corresponding order to electronic switch, it is disconnected or is closed
Close；The lifting motor connection of the electronic switch and clothes airing machine, controls the operation and stopping of lifting motor.
The overload protection device of above-mentioned electric clothes airing machine, wherein, in addition to display module, the display module and MCU controls
Device connection processed, for showing the extension weight state and malfunction of electric clothes airing machine currently.
The overload protection device of above-mentioned electric clothes airing machine, wherein, the electronic switch includes drive module and relay, institute
MCU controllers are stated through drive module driving relay work, by the adhesive or disconnection of relay contact, control lifting motor is held
The corresponding action of row.
The overload protection device of above-mentioned electric clothes airing machine, wherein, in addition to spacing module, the spacing module and MCU controls
Device connection processed, including extreme higher position microswitch and extreme lower position microswitch, highest limit switch is touched by lifting motor
Or whether level Variation Features caused by the closure of minimum limit switch generation or off-state change judge electric clothes airing machine
Highest or minimum restraining position are reached, and signal is transmitted to MCU controllers.
The overload protection device of above-mentioned electric clothes airing machine, wherein, the extension weight state of the electric clothes airing machine includes overload shape
State, pre- overload condition and permission running status.
The overload protection device of above-mentioned electric clothes airing machine, wherein, the weight signal acquisition module of hanging is fixed in clothes airing machine
On the stuck-module in portion, pass through the electric signal of deformation material caused by extruding after electric clothes airing machine extension weight or tensile deformation object
Or mechanical signal change, feed back the weight information of clothes airing machine hanging and airing clothes.
It is preferred that, the overload protection device of above-mentioned electric clothes airing machine, wherein, the weight signal acquisition module of hanging includes fixing
Elastic steel sheet on electric clothes airing machine bottom board, pressing plate, and one end are fixed on bottom plate, the flexible bullet of other end connection pressing plate
Spring, the elastic steel sheet is electrically connected with signal analysis and processing module, and edge mate insertion in the pressing plate both sides is fixed on bottom plate
In chute, inside is provided with fixed pulley, and the left and right stressed wire rope of clothes airing machine bypasses the fixed pulley in two pressing plates respectively, one end with
Reel is connected, and the airing rod of the other end and hanging and airing clothes is connected.
It is further preferred that the periphery of the fixed pulley is provided with groove, steel wire rope is wound in fixed pulley groove.
Beneficial effect：
The utility model provides a kind of overload protection device of electric clothes airing machine, is examined by using weight signal acquisition module is hung
The heavy amount of extension of electric clothes airing machine is surveyed, which kind of state be in again to determine that clothes airing machine is hung, when the heavy amount of extension reaches overload condition
Disconnect electronic switch or forbid it to close, so as to carry out stoppage protection or forbid operation, and sound or display image can be carried out,
User can be reminded before motor operation, it is more safe and reliable.Clothes airing machine is fixed on due to hanging weight signal acquisition module
On, weight information is hung by elastic deformation or stretching, compressive deformation detection, hung release again after, deformation also can clear-cutting forestland, so this
The overload protection device of electric clothes airing machine described in utility model, without renewal part, service life is long.
【Brief description of the drawings】
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the structure principle chart of signal acquisition process in the utility model embodiment.
Fig. 3 is the circuit theory diagrams that the utility model embodiment signal transmits processing procedure.
Fig. 4 is the output loading control circuit theory diagrams in the utility model embodiment.
【Embodiment】
With reference to specific embodiment, the utility model is described in further detail, but the utility model institute scope is not limited
In this.
Embodiment 1
As shown in figure 1, the utility model is related to a kind of overload protection device of electric clothes airing machine, including hang weight signal acquisition
Module, signal analysis and processing module, MCU controllers, electronic switch, display module, the extension weight signal acquisition module, are connected to
On electric clothes airing machine, for gathering the weight information of institute's hanging and airing clothes on clothes airing machine, and signal analysis and processing module is sent to；Institute
Signal analysis and processing module is stated, weight information will be received by being converted into electric signal after amplifying filtering process parsing, and pass
Deliver to MCU controllers；The MCU controllers, according to the electric signal received, judge the extension weight state of clothes airing machine, and to electronics
Switch sends corresponding order, and it is opened or closed；The lifting motor connection of the electronic switch and clothes airing machine, control lifting
The operation and stopping of motor；The display module is connected with MCU controllers, for showing the extension weight state of electric clothes airing machine currently
And malfunction.
Specifically, MCU controllers according to the electric signal G of input obtain clothes airing machine hanging and airing clothes actual weight, and according to
The weight range of predetermined clothes airing machine carrying, it is to be in overload condition or pre- overload condition to judge the electric clothes airing machine current state
Or allow running status, and shown by display module when front hanging weight state.MCU controllers are to electronic switch under overload condition
Transmission is forbidden running low level signal H, forbids motor to continue to run with action, it is to avoid motor runs the damage caused under overload condition
It is bad, while the display indicator lamp of display module is red display, shows that electric clothes airing machine is in overload warning state, remind user
Need to reduce and hang weight clothing；MCU controllers are sent to electronic switch under pre- overweight state allows the high level signal H of operation,
Motor is allowed to continue to run with action, but the display indicator lamp of display module is orange display, shows that electric clothes airing machine is in pre-
Overload alert status, reminds user to continue increase and hangs weight clothing；In the case where allowing running status, MCU controllers allow to electricity
Sub switch, which is sent, allows the high level signal H of operation, it is allowed to which motor operation is acted, while the display indicator lamp of display module is indigo plant
Color shows that showing that electric clothes airing machine is in allows running status, reminds user normally to add extension weight clothing.Hung with clothes airing machine
The weight of airing clothes is foundation, the different state of different weight correspondences, once institute's extension amount clothing reaches the overload condition defined,
Electric clothes airing machine enters overload protection state, forbids motor operation, so as to extend the service life of motor, improves electric clothes airing machine
Security performance.
In the present embodiment, the electronic switch includes drive module and relay, and MCU controllers are according to signal analysis and processing
The electric signal G of module output, forbids or allows to send H instructions to drive module, drive module is driven relay work, pass through
The adhesive or disconnection of relay contact, control lifting motor perform corresponding action.
As preferred embodiment mode, the touch control device of the electric clothes airing machine also includes spacing module, described
Spacing module is connected with MCU controllers, including maximum limit microswitch and minimum limitation microswitch, is touched by lifting motor
The level Variation Features for touching highest limit switch or minimum limit switch and producing determine whether to reach restraining position, and to MCU
Controller transmits signal.In the state of it can normally allow lifting motor to run, spacing module output low level signal E；Rising
Drop motor rises to peak or drops to minimum point, and output high level signal E, MCU controller exports according to spacing module
Signal E, it is allowed to or forbid to electronic switch send allow run signal H, controlled motor operation or stopping action.
As shown in Fig. 2 signal acquisition module includes being fixed on elastic steel sheet 2 on electric clothes airing machine bottom board 1, pressing plate 3, and
One end is fixed on bottom plate 1, the adjustable spring 4 of other end connection pressing plate 3, the elastic steel sheet 2 and signal analysis and processing module
Electrical connection, the both sides edge mate insertion of pressing plate 3 is fixed in the upper hopper chute 5 of bottom plate 1, and inside is provided with fixed pulley 6, clothes airing machine
Left and right stressed wire rope 8 bypasses the fixed pulley 6 in two pressing plates 3 respectively, and one end is connected with reel 7, and the other end and extension dry in the air clothing
The airing rod connection of thing.In the present embodiment, wire jumper during in order to prevent that steel wire rope 8 from loosening, the periphery of the fixed pulley 6 is provided with groove,
Steel wire rope 8 is wound in fixed pulley groove.
In practical application, left and right stressed wire rope 8 can be connected by another fixed block on clothes airing machine body respectively
Airing rod below clothes airing machine body, when hanging and airing clothes in airing rod, the Action of Gravity Field of clothing is now left on left and right steel wire rope 8
Right steel wire rope receives the pulling force in A, B direction, while the left and right steel wire rope between fixed pulley 6 and reel 7 is by C, D direction
Reaction force, because reel 7 is fixed on clothes airing machine bottom plate, therefore, the active force in C, D direction can then make fixed pulley 6 to
C, D direction are moved, so as to be slided with the extension spring 4 of dynamic pressure plate 3 and along chute 5 to C, D direction, and are extruded elastic steel sheet 2 and are made
It is deformed.
As shown in figure 3, DB is the elastic steel sheet 2 described in the present embodiment, single-chip microcomputer U1 is signal analysis and processing module, U2
For MCU controllers, because elastic steel sheet 2 is connected with signal analysis and processing module U1, the deformation of elastic steel sheet 2 causes U1 N pin
The change of electric signal is produced between P pin.Because the coefficient of elasticity of spring 4 is fixed, suffered active force changes very with collapsing length
Small, the frictional force of chute 5 is very small, therefore, can be by detecting change in electric caused by elastic steel sheet 2, signal analysis and processing
Module U1 can calculate the actual weight of wall clock clothing.By DOUT and SCK ports to go here and there after the amplified processing of the upper signals of U1
The mode of row transmission sends MCU controllers U2, MCU controller U2 to according to the extension weight information monitored, and the predetermined clothing that dries in the air
Machine load capacity scope, determines which kind of state the extension of clothes airing machine is in again, while being sent to display module shows current extension weight
Weight and weight state is hung, so as to the overweight extension of electric clothes airing machine again using being protected and pointed out.In the present embodiment, MCU controls
Device U2 processed can also calculate signal processing analysis module U1 obtained actual weight, send display module to, make display module
The current actual weight for hanging clothing of display in real time.
As preferred embodiment, VREF and AVDD are analog reference voltage input ports in Fig. 3, and DOUT and SCK divide
It is not serial data communication mouthful and serial clock input port, is connected with U2MCU, VDD inputs for U1 and U2 supply voltage, R2,
R3, C3 constitute filter network, eliminate external disturbance；Voltage-stabiliser tube as stabilized power source effect, it is ensured that the stability of vdd voltage；
CD1, CD2 are low frequency filtering electric capacity, play a part of stabilized supply voltage, and U1 and U2 chip input power are isolated by R1,
Reduce the interference of power supply each other；C1, C2 can eliminate chip power spike interference as shunt capacitance.
It should be noted that the structure of signal acquisition module described in the utility model is not limited thereto, such as, and elasticity
Steel disc 2 can also be replaced with pressure sensor, spring, elastic iron plate or other extruding or tensile deformation object；Pressing plate 3 can be with
With depression bar, pinch roller, drag hook or other can produce extruding to elastic steel sheet 2 or the part of stretching action be replaced.
Fig. 4 be the present embodiment output loading control circuit theory diagrams, wherein, Load be lifting motor load, RLY be after
Electrical equipment, Q is triode, as drive module, and RA is triode current-limiting resistance, RA, RLY, Q composition drive circuit.MCU controllers
High level signal H is sent to transistor base, triode ON driving relay adhesive, load running；MCU sends low level letter
Number H disconnects to triode, triode cut-off, relay, and load stops.
It is described above, preferably specific embodiment only of the present utility model, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its design is subject to equivalent substitution or change, should all cover in protection domain of the present utility model.
Claims (8)
1. a kind of overload protection device of electric clothes airing machine, it is characterised in that at extension weight signal acquisition module, signal analysis
Module, MCU controllers, electronic switch are managed, the extension weight signal acquisition module is connected on electric clothes airing machine, dried in the air for gathering
The weight information of institute's hanging and airing clothes on clothing machine, and it is sent to signal analysis and processing module；The signal analysis and processing module, will connect
Weight information is received by being converted into electric signal after amplifying filtering process parsing, and is sent to MCU controllers；The MCU controls
Device processed, according to the electric signal received, judges the extension weight state of clothes airing machine, and sends corresponding order to electronic switch, makes it
It is opened or closed；The lifting motor connection of the electronic switch and clothes airing machine, controls the operation and stopping of lifting motor.
2. the overload protection device of electric clothes airing machine according to claim 1, it is characterised in that also including display module,
The display module is connected with MCU controllers, for showing the extension weight state and malfunction of electric clothes airing machine currently.
3. the overload protection device of electric clothes airing machine according to claim 2, it is characterised in that the electronic switch is included
Drive module and relay, the MCU controllers work through drive module driving relay, by the adhesive of relay contact or
Disconnect, control lifting motor performs corresponding action.
4. the overload protection device of electric clothes airing machine according to claim 3, it is characterised in that also including spacing module,
The spacing module is connected with MCU controllers, including extreme higher position microswitch and extreme lower position microswitch, by lifting electricity
Machine touches level Variation Features caused by highest limit switch or the closure of minimum limit switch generation or off-state change
Judge whether electric clothes airing machine reaches highest or minimum restraining position, and signal is transmitted to MCU controllers.
5. the overload protection device of electric clothes airing machine according to claim 1, it is characterised in that the electric clothes airing machine
Hanging weight state includes overload condition, pre- overload condition and allows running status.
6. the overload protection device of electric clothes airing machine according to claim 1, it is characterised in that the extension weight signal acquisition
Module is fixed on the stuck-module inside clothes airing machine, is hung extruding or tensile deformation object after weight by electric clothes airing machine and is caused
Deformation material electric signal or mechanical signal change, feed back clothes airing machine hanging and airing clothes weight information.
7. the overload protection device of electric clothes airing machine according to claim 6, it is characterised in that the extension weight signal acquisition
Module includes the elastic steel sheet being fixed on electric clothes airing machine bottom board, pressing plate, and one end is fixed on bottom plate, other end connection pressure
The adjustable spring of plate, the elastic steel sheet is electrically connected with signal analysis and processing module, and edge mate insertion in the pressing plate both sides is solid
It is scheduled in bottom plate upper hopper chute, inside is provided with fixed pulley, the left and right stressed wire rope of clothes airing machine bypasses determining in two pressing plates respectively
Pulley, one end is connected with reel, the airing rod connection of the other end and hanging and airing clothes.
8. the overload protection device of electric clothes airing machine according to claim 7, it is characterised in that the periphery of the fixed pulley
Provided with groove, steel wire rope is wound in fixed pulley groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035476.8U CN206418314U (en) | 2017-01-12 | 2017-01-12 | A kind of overload protection device of electric clothes airing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035476.8U CN206418314U (en) | 2017-01-12 | 2017-01-12 | A kind of overload protection device of electric clothes airing machine |
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| CN206418314U true CN206418314U (en) | 2017-08-18 |
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| CN201720035476.8U Active CN206418314U (en) | 2017-01-12 | 2017-01-12 | A kind of overload protection device of electric clothes airing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691171A (en) * | 2018-08-17 | 2018-10-23 | 苏州蓝色弹珠智能科技有限公司 | The control method and drying system of drying system |
| CN110093757A (en) * | 2019-05-28 | 2019-08-06 | 珠海格力电器股份有限公司 | Intellective airer control system and control method |
-
2017
- 2017-01-12 CN CN201720035476.8U patent/CN206418314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691171A (en) * | 2018-08-17 | 2018-10-23 | 苏州蓝色弹珠智能科技有限公司 | The control method and drying system of drying system |
| CN110093757A (en) * | 2019-05-28 | 2019-08-06 | 珠海格力电器股份有限公司 | Intellective airer control system and control method |
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