WO2018157702A1 - 一种门盖开合检测装置及方法 - Google Patents

一种门盖开合检测装置及方法 Download PDF

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Publication number
WO2018157702A1
WO2018157702A1 PCT/CN2018/075343 CN2018075343W WO2018157702A1 WO 2018157702 A1 WO2018157702 A1 WO 2018157702A1 CN 2018075343 W CN2018075343 W CN 2018075343W WO 2018157702 A1 WO2018157702 A1 WO 2018157702A1
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WO
WIPO (PCT)
Prior art keywords
door
opening
closing
cover
washing machine
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Application number
PCT/CN2018/075343
Other languages
English (en)
French (fr)
Inventor
赵会杰
王得军
李峰
Original Assignee
青岛海尔洗衣机有限公司
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Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2018157702A1 publication Critical patent/WO2018157702A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/40—Opening or locking status of doors
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/62—Stopping or disabling machine operation

Definitions

  • the invention belongs to the field of washing machines, relates to door opening and closing detection of a washing machine, and in particular to a door opening and closing detecting device and method.
  • the door cover needs to be opened and closed a plurality of times.
  • the pulsator washing machine on the market only has a micro switch or only a reed switch detecting device to detect the opening and closing state of the upper cover of the washing machine.
  • the use of a single upper lid opening and closing detection mechanism may result in failure of the upper lid opening and closing detection mechanism.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a door cover opening and closing detecting device and method for comprehensively detecting the opening and closing of the door cover by using at least two detecting mechanisms to ensure accurate and effective detection results of the door cover.
  • One aspect of the invention discloses a door opening and closing detecting device for a washing machine, which comprises a door cover and a control panel, comprising:
  • At least two detecting mechanisms respectively detect opening and closing of the door cover and output a detection result signal
  • the program controller is connected with the signal output end of the detecting mechanism, and combines the opening and closing detection results of the door cover of at least two detecting mechanisms to obtain the opening and closing state of the door cover.
  • the detecting mechanism includes a mechanical detecting mechanism and an inductive detecting mechanism, the mechanical detecting mechanism is a micro switch, and the inductive detecting mechanism is a reed switch;
  • the programmer determines that the door of the washing machine is closed.
  • the washing machine is provided with a door cover and a control disc seat connected by a rotating shaft, and a control arm is integrally disposed on the door cover, and the micro switch is disposed on the control disc base near the control arm;
  • the reed switch and the micro switch are diagonally disposed on the control disc base, and a magnet corresponding to the reed switch is disposed on the recloser on the door of the washing machine.
  • the control arm controls the contact opening of the micro switch to form a passage, and the reed switch is adjacent to the magnet reed magnetization forming passage; when the door is opened, the control is controlled
  • the contact of the arm control micro switch opens to form an open circuit, and the reed switch pops away from the magnet spring to form an open circuit.
  • At least two detecting mechanisms are connected in series to form a door opening and closing detecting circuit, and the door opening and closing detecting circuit is connected to the program controller, and the program controller determines that the door cover is closed/opened according to the path/open state of the door opening and closing detecting circuit;
  • And/or at least two detecting mechanisms are combined with the gate digital circuit, and the output end of the AND gate digital circuit is connected to the program controller, and the program controller determines whether the door cover is closed/opened according to the output signal of the AND digital circuit being high level/low level. .
  • the failure state is the path state: when the door cover is closed, the door opening and closing detection circuit is a passage, and the program controller determines that the door cover is closed; when the door cover is opened, the door is opened The cover opening and closing detection circuit is an open circuit, and the program controller determines that the door cover is open;
  • the failure state is open state: when the door cover is closed, the door cover opening and closing detection circuit is open, and the program controller determines that the door is open; when the door is opened, the door is opened The detection circuit is open, and the program controller determines that the door is open;
  • the failure state is the path state: when the door is closed, the digital circuit of the AND gate outputs a high level, and the program controller determines that the door is closed; when the door is opened, the digital circuit of the AND gate Output low level, the program controller determines that the door is open;
  • the failure state is open state: when the door is closed, the digital circuit of the AND gate outputs a low level, and the program controller determines that the door is open; when the door is opened, the digital circuit of the AND gate The output is low, and the programmer determines that the door is open.
  • the washing machine further includes a cover lock disposed near the reed switch, the cover lock performing the locking/unlocking according to the opening and closing state of the door cover; and/or the cover lock is manually controlled to perform the locking/unlocking.
  • Another aspect of the present invention discloses a door opening and closing detecting method, which is applied to the door opening and closing detecting device as described above, in which the program controller performs the opening and closing state of the door cover at any time or periodically during the working process of the washing machine. It is judged that if the washing machine door is closed, the washing machine is controlled to continue the current program, and if the washing machine door is opened, an alarm prompt is issued and the current program is suspended.
  • the method for detecting the opening and closing of the door cover further comprises: during the working process of the washing machine, when the door cover of the washing machine is closed, the cover lock is locked, and after the preset time period, the cover lock is unlocked.
  • the washing machine is turned on, at least two detecting mechanisms respectively detect the opening and closing state of the door cover, and execute S2;
  • the program controller determines the opening and closing state of the door cover at any time or periodically, and executes S3;
  • the present invention has the following beneficial effects compared with the prior art:
  • the door opening and closing detecting device of the invention is provided with a double door opening and closing detecting mechanism, which comprises a detecting mechanism of two principles of contact type and inductive type, and a detecting mechanism provided with a plurality of detecting principles detects the opening and closing of the door cover, thereby avoiding The detection failure phenomenon caused by the failure of the washing machine itself or the environmental impact; the micro switch and the reed switch are disposed at the maximum distance of the diagonal on the control disc base and/or the door cover, and can open and close the door cover of the washing machine in all directions.
  • the detection is carried out to avoid the inaccurate and effective detection result of the door cover caused by the tilt of the washing machine or the door cover, and to ensure that the door cover of the washing machine is operated in a completely closed state, thereby improving the safety of the user;
  • the micro switch and The reed switch is arranged in a series relationship or an AND relationship in the circuit, and only when the two are shown as a passage, the upper cover of the washing machine is judged to be in a closed state, and on the one hand, the detection failure condition caused by the failure of any detecting mechanism is avoided.
  • the door cover detecting method of the invention detects and judges the opening and closing state of the door cover at any time or periodically during the startup operation of the washing machine, and performs the following steps according to the opening and closing condition of the door cover, whenever the door cover is opened and carried out
  • the alarm is stopped and the current program is stopped to ensure the safety of use.
  • the cover lock further enhances the safety of the washing machine, and avoids the damage caused by the user accidentally opening the washing machine when the washing machine executes a more intense procedure, thereby improving the safety factor of the washing machine.
  • FIG. 1 is a schematic structural view of a control panel of a washing machine having a double door opening and closing detecting mechanism according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the opening structure of the upper cover of the washing machine with the double door opening and closing detecting mechanism in the embodiment of the present invention
  • FIG. 3 is a schematic view showing a closed structure of a washing machine upper cover with a double door opening and closing detecting mechanism according to an embodiment of the present invention
  • FIG. 4 is a front view showing the structure of a micro switch according to an embodiment of the present invention.
  • FIG. 5 is a top plan view of a micro switch structure in an embodiment of the present invention.
  • FIG. 6 is a schematic flow chart of a method for detecting opening and closing of a door cover according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of logic control of a micro switch and a reed switch in an embodiment of the present invention.
  • micro switch 11, contact one; 12, contact two; 2, upper cover control arm; 3, control disc seat; 4, cover lock; 5, reed switch; 6, shaft; , top cover; 8, magnet.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • FIG. 1 is a schematic structural view of a control panel of a washing machine having a double door opening and closing detecting mechanism according to the embodiment.
  • FIG. 2 a schematic diagram of an open structure of an upper cover of a washing machine with a double door opening and closing detecting mechanism according to the embodiment is shown.
  • the control disc holder 3 and the upper cover 7 of the washing machine are rotatably connected via the rotating shaft 6.
  • the upper cover 7 performs the opening and closing action, on the one hand, a force is generated at a portion which is transferred to the control disc holder 3, and on the other hand, the upper cover 7 is changed.
  • a touch switch is provided at the connection between the upper cover 7 of the washing machine and the control tray 3 to detect whether the upper cover 7 is closed, or the relative distance between the upper cover 7 of the washing machine and the control tray 3 is detected.
  • the mechanism can effectively detect the opening and closing of the door.
  • the upper cover 7 is rotatably connected to the control disc holder 3 through the upper cover control arm 2, and the micro-switch 1 is disposed beside the upper cover control arm 2.
  • the upper cover control arm 2 controls the micro The contact of the movable switch 1 contacts or disengages to realize opening and closing, and the micro switch 1 is opened and closed to act on the door opening and closing detection circuit to realize whether or not the upper cover 7 of the washing machine is opened.
  • the upper cover 7 is provided with a magnet 8.
  • the relative positions of the reed switch 5 and the magnet 8 are also changed.
  • the change of the induced magnetic field of the reed pipe 5 acts on the door opening and closing detection circuit to determine whether the upper cover 7 of the washing machine is open.
  • the micro switch 1 and the reed switch 5 are door opening and closing detection mechanisms having different detection principles, and different detection principles ensure that the two do not have the detection failure condition due to the same failure of the washing machine. For example, if the top cover 7 of the washing machine is loosened during long-term use, the detection mechanism using the mechanical contact principle will be ineffective, and the detection mechanism using the inductive detection principle can continue to be used for judgment. For example, when the magnet 8 disposed on the upper cover 7 loses magnetism due to environmental interference, the detection mechanism using the inductive contact principle may be ineffective, and the detection mechanism adopting the contact detection principle may continue to use for judgment.
  • micro switch 1 and the reed switch 5 are diagonally disposed, and the distance between the two is maximized.
  • the advantage is that the omnidirectional detection of the opening and closing state of the upper cover 7 can be realized, so that the opening and closing of the upper cover 7 can be detected. The result is more accurate and effective.
  • the reed switch 5 mainly detects the opening and closing of the upper cover 7 based on the change of the induced magnetic field. When the use is too long, the detection is insensitive.
  • the double detection mechanism is used to detect the opening and closing of the upper cover 7 of the washing machine. Effectively guarantees the accuracy of test results in the event of failure of any test facility.
  • FIG. 3 it is a schematic diagram of a closed structure of a washing machine upper cover with a double door opening and closing detecting mechanism according to an embodiment of the present invention.
  • the micro switch 1 and the reed switch 5 are both inside, and the position thereof is specifically: the micro switch 1 is disposed in the upper left corner area of the upper cover 7 shown in the figure, and the reed switch 5 is disposed in the figure.
  • the two detection mechanisms are diagonally designed.
  • a cover lock 4 is further disposed on the control tray base 3, and the cover lock 4 is disposed near the reed switch 5 for locking the upper cover 7 of the washing machine.
  • the cover lock 4 locks the upper cover 7 to ensure safety.
  • the cover lock 4 receives a signal from the door opening and closing detection circuit, and when the door opening and closing detection circuit detects that the washing machine upper cover 7 is in the closed state, the cover lock 4 receives a signal to lock the upper cover 7.
  • the lid lock 4 can be automatically locked, or can be manually controlled for locking and unlocking, and the user can control the lid lock 4 according to his own needs.
  • FIG. 4 is a front view showing a structure of a micro switch according to an embodiment of the present invention
  • FIG. 5 is a top view showing a structure of a micro switch according to an embodiment of the present invention.
  • the micro switch 1 mainly judges the opening and closing of the upper cover 2 by the contact of the contact 12 and the contact 11.
  • the contact 2 is fixed to the washing machine, the contact 11 is connected to the upper cover control arm 2, and when the upper cover control arm 2 controls the micro switch 1, that is, the control contact 11 is in contact with the contact 12
  • the computer program controller of the washing machine detects that the upper cover 7 is in the closed state; when the upper cover control arm 2 controls the contact 11 to not contact the contact 12, the upper cover 7 is opened, and the computer of the washing machine The programmer detects that the upper cover 7 is in an open state.
  • the reed switch 5 For the reed switch 5, when the magnet 8 on the upper cover 7 is closest to the reed switch 5, the reed switch 5 senses the strongest magnetic field, and the computer programmer of the washing machine detects that the upper cover 7 is closed. When the distance of the magnet 8 on the upper cover 7 changes, the magnetic field strength felt by the reed switch 5 gradually becomes smaller, and the computer program controller of the washing machine detects that the upper cover 7 is in an open state.
  • the micro switch 1 and the reed switch 5 realize the double detection of the opening and closing of the door of the washing machine. When any of the detections fails, another test is still in effect, which can effectively avoid the occurrence of a safety accident.
  • the setting of the micro switch 1 and the reed switch 5 is only a preferred item, and the micro switch 1 and the reed switch 5 are provided on the control disc base 3 and/or the upper cover 7, depending on the specific structure of the washing machine, The most effective implementation of the upper cover 7 opening and closing detection.
  • the embodiment is further defined in the first embodiment.
  • the washing machine is provided with a door opening and closing detection circuit or an AND gate digital circuit and a computer program controller. Specifically, after the detection mechanism micro switch 1 and the reed switch 5 detect the opening and closing of the door cover, the detection result signal is output. The detection result signal is finally transmitted to the computer program controller for analysis and judgment of the opening and closing of the door cover.
  • the micro switch 1 and the reed switch 5 are connected in the door opening and closing detection circuit and connected to the computer program controller; or the micro switch 1 and the reed switch 5 form an AND gate digital circuit, and finally with the computer program control Connected.
  • the door cover opening and closing detection results of the micro switch 1 and the reed switch 5 are all applied to the door opening and closing detection circuit, and the two are in a series relationship.
  • the door cover opening and closing detection circuit is finally connected with the computer program controller, and the computer program controller obtains the opening and closing judgment result of the door cover according to the opening and closing condition of the door cover opening and closing detection circuit.
  • the micro switch 1 and the reed switch 5 are in a series relationship in the circuit, that is, a "and" relationship, that is, when both are required to be in a path state, the door opening and closing detection circuit is The passage can be judged to be in the closed state. Any of the detecting mechanisms judges that the current washing machine cover 7 is open, and an alarm is required.
  • the advantages of the series judging circuit design are: improving the user's safety of use, avoiding the mistake of the detecting mechanism, causing the user to operate the washing machine with the upper cover 7 open, which is equivalent to double insurance.
  • the embodiment is further defined in the first embodiment.
  • the program controller is a control mechanism, which is disposed on the door opening and closing detection circuit and receives the on/off signal of the door opening and closing detection circuit.
  • the opening and closing state of the upper cover 7 is obtained, and the related operation is performed according to different states, and the program controller determines that the upper cover 7 is closed/opened according to the path/open state of the door opening and closing detection circuit, and when the door opening and closing detection circuit is in the path state
  • the program controller determines that the upper cover 7 of the washing machine is closed, sends a path signal to the controller of the washing machine, controls the washing machine to continue the related washing operation, and/or controls the lid lock 4 to be automatically locked; when the door opening and closing detection circuit is open
  • an alarm signal is sent to remind the user to close the upper cover 7 or perform maintenance;
  • the programmer is connected to the digital circuit of the AND gate, and reads the level value outputted by the program controller to judge the opening and closing state of the upper cover 7, and the output signal of the program controller according to the AND digital circuit is high level/low level. Judging whether the door cover is closed/opened, when the door opening and closing detection output is high level, the program controller determines that the washing machine upper cover 7 is closed, sends a path signal to the washing machine controller, controls the washing machine to continue the related washing operation, and/or controls The cover lock 4 is automatically locked; when the output is low, the programmer determines that the upper cover 7 is open, and sends an alarm signal to remind the user to close the upper cover 7 or perform maintenance.
  • the objectives of the overhaul include: possible washing machine cover 7 is loose at the shaft, or magnetic field interference occurs in the place where the washing machine was used.
  • FIG. 6 is a schematic flow chart of a method for detecting opening and closing of a door cover according to the embodiment.
  • the method for detecting opening and closing of the door cover includes the following steps:
  • the washing machine is turned on, at least two detecting mechanisms respectively detect the opening and closing state of the door cover, and execute S2;
  • the program controller determines the opening and closing state of the door cover at any time or periodically, and executes S3;
  • the program controller judges the opening and closing state of the washing machine door door at any time or periodically. Further, the cover lock provided on the washing machine is used in combination, and the lock is performed after detecting that the door cover of the washing machine is closed, and the cover lock is unlocked after the washing machine is executed for a preset period of time.
  • the preset time period here is the user preset time, or the execution time of the current program.
  • the user can also control the cover lock according to his own needs.
  • the cover lock here is a child lock, or a child lock mechanism is provided to avoid the harm of the child accidentally operating the washing machine.
  • the periodic specific time and the preset time period are included in the common program settings of the washing machine, and are mainly adjusted according to the currently executed washing machine action and/or the laundry property in the washing machine.
  • the detecting mechanism is a micro switch and a reed switch.
  • the door opening and closing detecting method of the embodiment has the beneficial effect of preventing the door cover detection failure of the washing machine, that is, when any failure of the micro switch and the reed switch fails. It can also realize the judgment of the opening and closing of the washing machine door cover and perform the fault alarm.
  • FIG. 7 is a schematic diagram of logic control of a micro switch and a reed switch according to an embodiment of the present invention.
  • the failure state is the path state: when the door cover is closed, the door opening and closing detection circuit is a passage, and the program controller determines that the door cover is closed; when the door cover is opened, the door cover is opened and closed The detection circuit is an open circuit, and the program controller determines that the door is open;
  • the failure state is open state: when the door cover is closed, the door cover opening and closing detection circuit is open, and the program controller determines that the door is open; when the door is opened, the door is opened The detection circuit is open, and the program controller determines that the door is open;
  • the failure state is the path state: when the door is closed, the digital circuit of the AND gate outputs a high level, and the program controller determines that the door is closed; when the door is opened, the digital circuit of the AND gate Output low level, the program controller determines that the door is open;
  • the failure state is open state: when the door is closed, the digital circuit of the AND gate outputs a low level, and the program controller determines that the door is open; when the door is opened, the digital circuit of the AND gate The output is low, and the programmer determines that the door is open.
  • the door opening and closing detection method effectively protects the user and improves the user experience. Of course, sometimes a misjudgment condition occurs.
  • the washing machine issues an alarm prompt, the user finds that the door opening and closing detection mechanism is malfunctioning when the door of the washing machine is closed, and needs to be repaired.

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  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种门盖开合检测装置，用于洗衣机，洗衣机包括门盖和控制盘座（3），包括：至少两种检测机构，分别对门盖的开合进行检测，并输出检测结果信号；程控器，与检测机构的信号输出端连接，并结合至少两种检测机构的门盖开合检测结果，得出门盖开合状态。上述技术方案使用至少两种门盖开合检测机构对洗衣机门盖的开合进行检测，避免了任一检测机构失灵造成的门盖开合检测失效状况，一方面提高了洗衣机的使用效率，另一方面保障了用户使用安全。

Description

一种门盖开合检测装置及方法 技术领域
本发明属于洗衣机领域，涉及洗衣机的门盖开合检测，具体地说，涉及一种门盖开合检测装置及方法。
背景技术
在洗衣机的使用过程中，其门盖需进行多次开合活动，为避免洗衣机上盖未闭合时洗衣机运转带来安全隐患，需对洗衣机上盖是否闭合进行实时检测。目前市场上的波轮洗衣机只具有微动开关或只具有干簧管检测装置，来检测洗衣机上盖的开合状态。只采用单一的上盖开合检测机构，会导致上盖开合检测机构失效的情况下，洗衣机处于高速运行时，当上盖被打开后，洗衣机不能及时制动，容易造成重大安全事故。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种采用至少两种检测机构对门盖开合进行综合检测，保证门盖检测结果精准有效的门盖开合检测装置及方法。
为解决上述技术问题，本发明采用技术方案的基本构思是：
本发明一方面公开了一种门盖开合检测装置，用于洗衣机，洗衣机包括门盖和控制盘座，包括：
至少两种检测机构，分别对门盖的开合进行检测，并输出检测结果信号；
程控器，与检测机构的信号输出端连接，并结合至少两种检测机构的门盖开合检测结果，得出门盖开合状态。
进一步地，检测机构包括机械式检测机构和感应式检测机构，所述机械式检测机构为微动开关，所述感应式检测机构为干簧管；
微动开关和干簧管均检测到门盖闭合时，程控器判断洗衣机门盖闭合。
进一步地，洗衣机上设有经转轴转动相连的门盖和控制盘座，门盖上一体设置有控制臂，微动开关靠近控制臂设于控制盘座上；
干簧管与微动开关呈对角设于控制盘座上，在洗衣机门盖上正对干簧管设有与干簧管相 配的磁铁。
进一步地，当微动开关和干簧管均正常工作，门盖关闭时，控制臂控制微动开关的触点闭合形成通路，干簧管靠近磁铁簧片磁化形成通路；门盖打开时，控制臂控制微动开关的触点打开形成开路，干簧管远离磁铁簧片弹开形成开路。
进一步地，至少两种检测机构串联形成门盖开合检测电路，门盖开合检测电路与程控器相连，程控器依门盖开合检测电路的通路/开路状态判断门盖关闭/打开；
和/或至少两种检测机构组成与门数字电路，与门数字电路的输出端与程控器相连，程控器依与门数字电路的输出信号为高电平/低电平判断门盖关闭/打开。
进一步地，当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，门盖开合检测电路为通路，程控器判断门盖关闭；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，门盖开合检测电路为为开路，程控器判断门盖打开；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
和/或
当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，与门数字电路输出高电平，程控器判断门盖关闭；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开；
当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，与门数字电路输出低电平，程控器判断门盖打开；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开。
进一步地，洗衣机还包括盖锁，设于干簧管附近，所述盖锁依门盖的开合状态执行上锁/解锁；和/或所述盖锁经手动控制执行上锁/解锁。
本发明的另一方面公开了一种门盖开合检测方法，应用于如上所述的门盖开合检测装置，在洗衣机工作过程中，程控器随时或周期性地对门盖的开合状态进行判断，若洗衣机门盖闭合则控制洗衣机继续执行当前程序，若洗衣机门盖打开则发出报警提示并暂停当前程序。
进一步地，所述门盖开合检测方法还包括：洗衣机工作过程中，在洗衣机门盖闭合时，控制盖锁上锁，并在预设时间段后，对盖锁进行解锁。
进一步地，包括以下步骤：
S1、洗衣机开机工作，至少两个检测机构分别对门盖开合状态进行检测，执行S2；
S2、程控器随时或周期性地对门盖的开合状态进行判断，并执行S3；
S3、若判断门盖为打开状态，发出报警提示并暂停当前程序；否则对盖锁上锁，并继续执行当前程序。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果：
本发明的门盖开合检测装置设有双重的门盖开合检测机构，包括接触式和感应式两种原理的检测机构，设置多种检测原理的检测机构对门盖开合进行检测，避免了因为洗衣机自身故障或环境影响所造成的检测失效现象；微动开关和干簧管呈对角最大距离地设于控制盘座和/或门盖上，可以全方位地对洗衣机的门盖开合进行检测，避免了因洗衣机或门盖等装置倾斜造成的门盖检测结果不精准有效的情况，保证洗衣机的门盖在完全闭合的状态下才进行工作，提升了用户使用安全；微动开关和干簧管在电路中呈串联关系或“与”关系设置，只有在两者均显示为通路情况下才判断洗衣机上盖为关闭状态，一方面避免了任一检测机构失灵造成的检测失效状况，即时对洗衣机的门盖开合进行检测，提升了洗衣机的使用效率，另一方面保证了洗衣机的使用安全，只要有任一检测机构判断洗衣机上盖打开，即进行报警提醒，用户可以进行门盖关闭动作或检修，保障了洗衣机的使用安全，提升了用户体验。
本发明的门盖检测方法在洗衣机开机工作的过程中，随时或周期性地对门盖开合状态进行检测判断，并依据门盖的开合状况执行接下来的步骤，每当门盖开启及进行报警并停止当前程序运行，保障使用安全，设有盖锁更是进一步提升了洗衣机的使用安全，避免在洗衣机执行较激烈的程序时，用户误打开洗衣机造成损伤提升了洗衣机的安全系数。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明实施例中一种具有双重门盖开合检测机构的洗衣机控制盘座结构示意图；
图2是本发明实施例中一种具有双重门盖开合检测机构的洗衣机上盖打开结构示意图；
图3是本发明实施例中一种具有双重门盖开合检测机构的洗衣机上盖闭合结构示意图；
图4是本发明实施例中一种微动开关结构主视图；
图5是本发明实施例中一种微动开关结构俯视图；
图6是本发明实施例中一种门盖开合检测方法的流程示意图；
图7是本发明实施例中一种微动开关及干簧管的逻辑控制示意图。
图中：1、微动开关；11、触点一；12、触点二；2、上盖控制臂；3、控制盘座；4、盖锁；5、干簧管；6、转轴；7、上盖；8、磁铁。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
实施例一
如图1所示，为本实施例所述的一种具有双重门盖开合检测机构的洗衣机控制盘座结构示意图。如图2所示，为本实施例所述的一种具有双重门盖开合检测机构的洗衣机上盖打开结构示意图。控制盘座3与洗衣机上盖7经转轴6转动相连，当上盖7进行开合动作时，一方面会在与控制盘座3转接的部分产生作用力，另一方面会改变上盖7与控制盘座3的相对距离。故基于以上原理，在洗衣机上盖7与控制盘座3的连接处设置触动开关检测上盖7是 否闭合，或在洗衣机上盖7与控制盘座3的开合配合处设置检测两者相对距离的机构，均可有效实现对门盖开合的检测。
具体地，上盖7通过上盖控制臂2与控制盘座3转动相连，上盖控制臂2旁设有微动开关1，当上盖7进行开合动作时，上盖控制臂2控制微动开关1的触点接触或脱离实现开合，微动开关1开合进而作用于门盖开合检测电路上，实现对洗衣机上盖7是否打开的判断。在控制盘座3上，与微动开关1安装位置呈对角的方向，安装有干簧管5，干簧管5通过感应磁场的变化判断控制盘座3与上盖7之间的相对距离。对应设置于控制盘座3上的干簧管5，在上盖7上设置有磁铁8，当上盖7进行开合动作时，干簧管5与磁铁8的相对位置也随之改变，干簧管5所感应磁场的变化作用于门盖开合检测电路上，实现对洗衣机上盖7是否打开的判断。
此处，微动开关1与干簧管5为具有不同检测原理的门盖开合检测机构，不同的检测原理保证了两者不用因洗衣机的同一故障而同时出现检测失效的状况。如：若洗衣机上盖7在长期使用过程中松脱，会导致采用机械式接触原理的检测机构失效，而采用感应式检测原理的检测机构则还可继续使用进行判断。如：设于上盖7上的磁铁8因环境干扰失去磁性时，会导致采用感应式接触原理的检测机构失效，而采用接触式检测原理的检测机构则还可继续使用进行判断。
且微动开关1与干簧管5对角设置，两者之间的距离最大化，其好处在于：可以实现对上盖7开合状态的全方位检测，使得对上盖7开合的检测结果更精准有效。
进一步地，微动开关1在使用过程中，其触点要进行多次接触和分离，使用时间过久后可能会出现接触不良的现象，从而无法有效实现对上盖7开合的检测。而干簧管5主要是基于感应磁场的变化进行上盖7的开合检测，在使用过久也会出现检测不灵敏的情况，设置双重的检测机构对洗衣机的上盖7开合进行检测，可以有效保证在任一检测机构失效的情况下检测结果的准确性。
如图3所示，为本发明实施例中一种具有双重门盖开合检测机构的洗衣机上盖闭合结构示意图。当上盖7闭合后，微动开关1和干簧管5均处于内部，其位置具体为：微动开关1设于图中所示上盖7左上角区域，干簧管5设于图中所示上盖7右下角区域，两检测机构呈对角设计。
进一步地，在控制盘座3上还设有盖锁4，盖锁4设于干簧管5附近，用于对洗衣机的上盖7进行锁定，当上盖7闭合并需进行一持续时间段的工作时，盖锁4对上盖7进行锁定 以保证安全。优选地，盖锁4接收来自门盖开合检测电路的信号，当门盖开合检测电路检测到洗衣机上盖7为闭合状态时，盖锁4接收信号对上盖7进行锁定。此处，盖锁4可自动锁定，也可手动控制进行锁定和解锁，使用者可根据自身需求对盖锁4进行控制。
如图4所示为本发明实施例中一种微动开关结构主视图，如图5所示为本发明实施例中一种微动开关结构俯视图。微动开关1主要通过触点二12与触点一11接触与否，对上盖2的开合进行判断。其中，触点二12不动固定在洗衣机上，触点一11与上盖控制臂2相连，当上盖控制臂2控制微动开关1，也即控制触点一11与触点二12接触时，上盖7未打开，洗衣机的电脑程控器检测识别上盖7为关闭状态；当上盖控制臂2控制触点一11未与触点二12接触时，上盖7打开，洗衣机的电脑程控器检测识别上盖7为打开状态。
对于干簧管5来说，当上盖7上的磁铁8距离干簧管5最近时，干簧管5感受到的磁场强度最强，洗衣机的电脑程控器检测识别上盖7为关闭状态，当上盖7上的磁铁8距离发生变化，干簧管5感受到的磁场强度逐渐变小时，洗衣机的电脑程控器检测识别上盖7为打开状态。
故微动开关1与干簧管5实现了对洗衣机门盖开合的双重检测，当其中任一检测失灵时，仍有另一检测在起作用，能够有效避免安全事故的发生。此处微动开关1与干簧管5的设置只是优选项，微动开关1与干簧管5设于控制盘座3和/或上盖7上，具体视洗衣机的具体结构而定，以最有效实现上盖7开合检测为主。
实施例二
图中未示出，本实施例为上述实施例一的进一步限定，所述洗衣机内设有门盖开合检测电路或与门数字电路及电脑程控器。具体地，检测机构微动开关1与干簧管5对门盖开合进行检测后，均会输出检测结果信号。检测结果信号最终传输至电脑程控器中，供其分析判断门盖的开合情况。此处，微动开关1与干簧管5连接在门盖开合检测电路里，并与电脑程控器相连；或微动开关1与干簧管5组成与门数字电路，并最终与电脑程控器相连。
进一步地，微动开关1及干簧管5的门盖开合检测结果均作用于门盖开合检测电路，且两者是串联关系。门盖开合检测电路最终与电脑程控器相连，电脑程控器依据门盖开合检测电路的通断路情况得出门盖的开合判断结果。
进一步地，此处的微动开关1及干簧管5在电路内为串联关系，即为“和”关系，也即：需要两者均为通路状态下，该门盖开合检测电路才为通路，方可判断上盖7为闭合状态。其 中任一检测机构判断当前洗衣机上盖7为打开时，都需进行报警。串联判断电路设计的好处在于：提升了用户的使用安全，避免因检测机构判断失误，造成用户在上盖7打开情况下进行洗衣机运行操作，相当于上了双重保险。
实施例三
图中未示出，本实施例为上述实施例一的进一步限定，所述程控器为一控制机构，它设于门盖开合检测电路上，接收门盖开合检测电路的通断信号，得出上盖7的开合状态，并依据不同状态进行相关操作，程控器依门盖开合检测电路的通路/开路状态判断上盖7关闭/打开，当门盖开合检测电路为通路状态时，程控器判断洗衣机上盖7闭合，发送通路信号至洗衣机的控制器，控制洗衣机继续进行相关洗涤等操作，和/或控制盖锁4自动上锁；当门盖开合检测电路为开路状态时，程控器判断上盖7打开，发出报警信号提醒用户关闭上盖7或进行检修；
或者，程控器连接在与门数字电路上，读取其所输出的电平值对上盖7的开合状态进行判断，程控器依与门数字电路的输出信号为高电平/低电平判断门盖关闭/打开，当门盖开合检测输出为高电平时，程控器判断洗衣机上盖7闭合，发送通路信号至洗衣机的控制器，控制洗衣机继续进行相关洗涤等操作，和/或控制盖锁4自动上锁；当输出为低电平时，程控器判断上盖7打开，发出报警信号提醒用户关闭上盖7或进行检修。
检修的目标包括：可能出现的洗衣机上盖7在转轴处松脱，或此前洗衣机的使用场所出现磁场干扰现象。
实施例四
如图6所示，为本实施例所述的一种门盖开合检测方法的流程示意图。
具体地，本实施例所述的门盖开合检测方法，包括以下步骤：
S1、洗衣机开机工作，至少两个检测机构分别对门盖开合状态进行检测，执行S2；
S2、程控器随时或周期性地对门盖的开合状态进行判断，并执行S3；
S3、若判断门盖为打开状态，发出报警提示并暂停当前程序；否则对盖锁上锁，并继续执行当前程序。
在洗衣机工作过程中，程控器随时或周期性地对洗衣机门盖开合状态进行判断。进一步地，洗衣机上所设盖锁配合使用，在检测到洗衣机门盖闭合后执行上锁，并在洗衣机执行完预设时间段后方才解锁盖锁。此处的预设时间段为用户预设时间，或当前程序的执行时间。 当然，用户也可以依据自身需求对盖锁进行人为控制，为了保证安全，此处的盖锁为童锁，或配合设有童锁机构，避免了儿童误操作洗衣机的危害。
此处的周期性具体时间及预设时间段均包含在洗衣机常用程序设置里，主要依据当前所执行的洗衣机动作和/或洗衣机内衣物属性等进行调整。
检测机构为微动开关和干簧管，本实施例的门盖开合检测方法具有防止洗衣机门盖检测失灵的有益效果，也即：当微动开关和干簧管其中任一失效出现故障时，也可实现对洗衣机门盖开合的判断，并进行故障报警。
具体地，如图7所示为本发明实施例中一种微动开关及干簧管的逻辑控制示意图。
门盖开合检测电路中：
当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，门盖开合检测电路为通路，程控器判断门盖关闭；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，门盖开合检测电路为为开路，程控器判断门盖打开；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
与门数字电路中：
当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，与门数字电路输出高电平，程控器判断门盖关闭；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开；
当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，与门数字电路输出低电平，程控器判断门盖打开；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开。
此处，该门盖开合检测方法有效地实现了对使用者的保护，提升了用户体验。当然，有时出现误判状况，当洗衣机发出报警提示后，用户发现洗衣机门盖为关闭时，为门盖开合检测机构出现故障，需对其进行维修。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的 等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种门盖开合检测装置，用于洗衣机，洗衣机包括门盖和控制盘座，其特征在于，包括：
    至少两种检测机构，分别对门盖的开合进行检测，并输出检测结果信号；
    程控器，与检测机构的信号输出端连接，并结合至少两种检测机构的门盖开合检测结果，得出门盖开合状态。
  2. 根据权利要求1所述的一种门盖开合检测装置，其特征在于：
    检测机构包括机械式检测机构和感应式检测机构，所述机械式检测机构为微动开关，所述感应式检测机构为干簧管；
    微动开关和干簧管均检测到门盖闭合时，程控器判断洗衣机门盖闭合。
  3. 根据权利要求1或2所述的一种门盖开合检测装置，其特征在于：
    洗衣机上设有经转轴转动相连的门盖和控制盘座，门盖上一体设置有控制臂，微动开关靠近控制臂设于控制盘座上；
    干簧管与微动开关呈对角设于控制盘座上，在洗衣机门盖上正对干簧管设有与干簧管相配的磁铁。
  4. 根据权利要求3所述的一种门盖开合检测装置，其特征在于：
    当微动开关和干簧管均正常工作，门盖关闭时，控制臂控制微动开关的触点闭合形成通路，干簧管靠近磁铁簧片磁化形成通路；门盖打开时，控制臂控制微动开关的触点打开形成开路，干簧管远离磁铁簧片弹开形成开路。
  5. 根据权利要求1所述的一种门盖开合检测装置，其特征在于：
    至少两种检测机构串联形成门盖开合检测电路，门盖开合检测电路与程控器相连，程控器依门盖开合检测电路的通路/开路状态判断门盖关闭/打开；
    和/或至少两种检测机构组成与门数字电路，与门数字电路的输出端与程控器相连，程控器依与门数字电路的输出信号为高电平/低电平判断门盖关闭/打开。
  6. 根据权利要求5所述的一种门盖开合检测装置，其特征在于：
    当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，门盖开合检测电路为通路，程控器判断门盖关闭；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
    当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，门盖开合检测电路为为开路，程控器判断门盖打开；门盖打开时，门盖开合检测电路为开路，程控器判断门盖打开；
    和/或
    当微动开关和干簧管任一失效，且失效状态为通路状态时：门盖关闭时，与门数字电路输出高电平，程控器判断门盖关闭；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开；
    当微动开关和干簧管任一失效，且失效状态为开路状态时：门盖关闭时，与门数字电路输出低电平，程控器判断门盖打开；门盖打开时，与门数字电路输出低电平，程控器判断门盖打开。
  7. 根据权利要求1-6任一所述的一种门盖开合检测装置，其特征在于：
    洗衣机还包括盖锁，设于干簧管附近，所述盖锁依门盖的开合状态执行上锁/解锁；
    和/或所述盖锁经手动控制执行上锁/解锁。
  8. 一种门盖开合检测方法，应用于如权利要求1-7任一所述的门盖开合检测装置，其特征在于：
    在洗衣机工作过程中，程控器随时或周期性地对门盖的开合状态进行判断，若洗衣机门盖闭合则控制洗衣机继续执行当前程序，若洗衣机门盖打开则发出报警提示并暂停当前程序。
  9. 根据权利要求8所述的一种门盖开合检测方法，其特征在于：
    所述门盖开合检测方法还包括：洗衣机工作过程中，在洗衣机门盖闭合时，控制盖锁上锁，并在预设时间段后，对盖锁进行解锁。
  10. 根据权利要求8或9所述的一种门盖开合检测方法，其特征在于，包括以下步骤：
    S1、洗衣机开机工作，至少两个检测机构分别对门盖开合状态进行检测，执行S2；
    S2、程控器随时或周期性地对门盖的开合状态进行判断，并执行S3；
    S3、若判断门盖为打开状态，发出报警提示并暂停当前程序；否则对盖锁上锁，并继续执行当前程序。
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