CN114277553A - Washing machine bottom foot - Google Patents
Washing machine bottom foot Download PDFInfo
- Publication number
- CN114277553A CN114277553A CN202111559366.9A CN202111559366A CN114277553A CN 114277553 A CN114277553 A CN 114277553A CN 202111559366 A CN202111559366 A CN 202111559366A CN 114277553 A CN114277553 A CN 114277553A
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- controller mcu
- washing machine
- detector
- grounded
- triode
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- 238000005406 washing Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000003673 groundwater Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Emergency Alarm Devices (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a washing machine footing and relates to the technical field of washing machines. In the invention: the base of the footing bolt is clamped on the footing rubber ring; a washer is arranged in the middle of the stud; a through hole is arranged in the middle of the end surface of the stud; one surface of the bottom foot rubber ring is provided with a clamping groove; a through wire groove is formed in the side surface of the clamping groove; a detector is arranged on the outer side of the through wire groove; the detector is electrically connected with the controller MCU through a lead; the controller MCU is also respectively connected with the alarm circuit and the indicator light circuit. According to the invention, the washing machine is fixed by matching the footing bolt and the footing rubber ring, the hole is drilled in the footing bolt for passing through the wire, the detector is arranged on the footing rubber ring to detect the water level at the lower end of the washing machine, the water level is timely monitored when overflowing the footing, an alarm is timely given out, the power is off and the water is off, the occurrence of accidents is avoided, and the user loss is reduced.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a washing machine bottom foot.
Background
Washing machines as household appliances have entered the homes of millions of users, and the water leakage events of washing machines which occur every year are more important to manufacturers, so that each time water leakage occurs, economic losses are caused to users, and even downstairs water leakage is caused due to the fact that the floors of the whole homes are soaked in the water seriously, and therefore the amount of the after-sale loss is not small. The concept of household appliance safety is increasingly emphasized in the market at present, and after the washing machine is used for a long time, internal parts can be aged, particularly rubber pipelines and the like, and after the washing machine is used for a long time, the pipelines can be aged and damaged, and water leakage accidents can happen.
However, the existing washing machine judges the water inlet abnormality and the water level abnormality through the water level sensor and the water inlet time, if the water inlet valve is electrified, the water level sensor cannot detect the water level, and the alarm is given after a certain time.
Disclosure of Invention
The invention aims to provide a washing machine bottom foot, which is characterized in that a bottom foot bolt and a bottom foot rubber ring are arranged to be matched and fixed with a washing machine, a hole is drilled in the bottom foot bolt for passing through a wire, a detector is arranged on the bottom foot rubber ring to detect the water level at the lower end of the washing machine, when water overflows the bottom foot, the water is timely monitored, an alarm is timely sent out, the power is off, the water is cut off, accidents are avoided, and the user loss is reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a washing machine footing which comprises a footing bolt, wherein the footing bolt comprises a stud and a base; the base of the bottom stud is clamped on the bottom rubber ring; a washer is arranged in the middle of the stud; a through hole is formed in the middle of the end face of the stud; one surface of the bottom foot rubber ring is provided with a clamping groove; a through line groove is formed in the side face of the clamping groove; a detector for detecting water leakage is arranged on the outer side of the through line slot; the detector is electrically connected with the controller MCU through a lead; the controller MCU is also respectively connected with the alarm circuit and the indicator light circuit; when the detector senses that the ground water level is higher than the bottom rubber ring, the detector transmits a signal to the controller MCU; and the controller MCU controls the indicator light circuit to be conducted and controls the alarm circuit to give an alarm.
Furthermore, the detector adopts a detection circuit formed by a sensor, one end of the sensor is connected with a voltage source VCC, and the other end of the sensor is grounded; the output pin of the sensor is connected with a resistor R5 in series to the controller MCU.
Further, the sensor adopts a photoelectric liquid level sensor or a diffuse reflection photoelectric sensor.
Furthermore, the detector adopts a detection circuit formed by a fuse F1, and the detection circuit also comprises two metal terminals arranged outside the through wire groove; one end of the fuse F1 is connected with a voltage source L, the other end of the fuse F1 is connected with a capacitor CY in series and is connected with a metal terminal, and the other metal terminal is grounded; and the intermediate connection point of the fuse F1 and the capacitor CY is connected with the signal input end of the controller MCU.
Furthermore, the detector adopts a detection circuit formed by an optical coupler U1, and the detection circuit also comprises two metal terminals arranged on the outer side of the wire passing groove; a 1 pin of the optocoupler U1 is connected with a capacitor CY2 and a resistor R3 in series to a voltage source L, and a 2 pin of the optocoupler U1 is grounded; a pin 1 of the optical coupler U1 is connected with a metal terminal, and the other metal terminal is grounded; 3 feet of the optical coupler U1 are grounded, 4 feet of the optical coupler U1 are connected with a resistor R2-5V voltage source in series, and 4 feet of the optical coupler U1 are also connected with a resistor R1-to-controller MCU signal input end in series.
Further, the indicator light circuit comprises a light emitting diode and a triode Q2; one end of the light emitting diode is connected with a 12V voltage source, the other end of the light emitting diode is connected with a resistor R7 to a collector of a triode Q2 in series, a base electrode of the triode Q2 is connected with a control pin of an indicator light circuit of a controller MCU, and an emitting electrode of the triode Q2 is grounded.
Further, the alarm circuit comprises a buzzer BZ and a triode Q1, the collector of the triode Q1 is connected with a voltage source of 12V through a resistor R6 in series, and two pins of the buzzer BZ are respectively connected with two ends of a resistor R6; the emitting electrode of the triode Q1 is grounded, and the collecting electrode of the triode Q1 is connected with the control pin of the alarm circuit of the controller MCU.
Furthermore, the controller MCU is connected with a 5V voltage source for system power supply, and the controller MCU also has a pin grounded.
The invention has the following beneficial effects:
according to the invention, the washing machine is fixed by matching the footing bolt and the footing rubber ring, the hole is drilled in the footing bolt for passing through the wire, the detector is arranged on the footing rubber ring to detect the water level at the lower end of the washing machine, the water level is timely monitored when overflowing the footing, an alarm is timely given out, the power is off and the water is off, the occurrence of accidents is avoided, and the user loss is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a washing machine foot;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a circuit diagram of a controller MCU;
FIG. 4 is a circuit diagram of an alarm circuit;
FIG. 5 is a circuit diagram of an indicator light circuit;
FIG. 6 is a circuit diagram of a detector employing a sensor;
FIG. 7 is a circuit diagram of a detector employing optocouplers;
fig. 8 is a circuit diagram of a detector employing a fuse.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the present invention relates to a washing machine foot, which comprises a foot bolt 1, wherein the foot bolt 1 comprises a stud 101 and a base 102; the base 102 of the bottom stud 1 is clamped on the bottom rubber ring 3; a washer 2 is arranged in the middle of the stud 101; a through hole 103 is arranged in the middle of the end face of the stud 101; one surface of the bottom foot rubber ring 3 is provided with a clamping groove 302; a through line groove 301 is formed in the side surface of the clamping groove 302; a detector 5 for detecting water leakage is arranged on the outer side of the through line groove 301; the detector 5 is electrically connected with the controller MCU through a lead 4; the controller MCU is also respectively connected with the alarm circuit and the indicator light circuit;
when the detector 5 senses that the ground water level is higher than the bottom rubber ring 3, the detector 5 transmits a signal to the controller MCU; the controller MCU controls the indicator light circuit to be conducted and controls the alarm circuit to give an alarm.
As shown in fig. 5, the alarm circuit includes a buzzer BZ and a triode Q1, a collector of the triode Q1 is connected in series with a voltage source of R6 to 12V, and two pins of the buzzer BZ are connected with two ends of a resistor R6 respectively; the emitting electrode of the triode Q1 is grounded, and the collecting electrode of the triode Q1 is connected with the control pin of the alarm circuit of the controller MCU.
As shown in fig. 4, the indicator light circuit includes a light emitting diode and a transistor Q2; one end of the light emitting diode is connected with a 12V voltage source, the other end of the light emitting diode is connected with a resistor R7 to the collector of a triode Q2 in series, the base of the triode Q2 is connected with the control pin of an indicator light circuit of the controller MCU, and the emitting electrode of the triode Q2 is grounded.
The controller MCU is connected with a 5V voltage source for supplying power to the system, and the controller MCU also has a pin which is grounded.
Example two: based on the first embodiment
As shown in fig. 6, in the present embodiment, the detector 5 adopts a detection circuit formed by a photoelectric liquid level sensor, one end of the photoelectric liquid level sensor is connected to a voltage source VCC, and the other end of the photoelectric liquid level sensor is grounded; the output pin of the photoelectric liquid level sensor is connected with a resistor R5 in series to the controller MCU.
Photoelectric liquid level sensor installs and leans on outside one end at wire casing 301, and is fixed through 3 full wraps up of footing rubber circle, leaks photoelectric liquid level sensor front end transmitter windows to be connected to controller MCU through wire 4.
When no water exists, the signal of the photoelectric liquid level sensor is 0, and the system judges normal operation at the moment. When water wets or overflows the bottom foot emitter window, the signal of the photoelectric liquid level sensor is 1, the MCU sends LED and BUZ signals at the moment, the control alarm lamp is lightened, the loudspeaker gives an alarm, and the water and electricity are cut off.
Example three: based on the first embodiment
As shown in fig. 6, in the present embodiment, the detector 5 employs a detection circuit formed by a diffuse reflection photoelectric sensor, one end of the diffuse reflection photoelectric sensor is connected to a voltage source VCC, and the other end of the diffuse reflection photoelectric sensor is grounded; the output pin of the diffuse reflection photoelectric sensor is connected with a resistor R5 in series to the controller MCU.
Diffuse reflection sensor installs and leans on outside one end at through-wire groove 301, and it is fixed to wrap up entirely through footing rubber circle 3, leaks diffuse reflection sensor front end transmitter window to be connected to controller MCU through wire 4.
When no water exists, the diffuse reflection sensor receives a reflection signal of 0, and the system judges that the system works normally. When the water drenches or overflows the footing transmitter window, infrared signal can reflect back to the window, and diffuse reflection sensor signal is 1 this moment, and controller MCU sends LED and BUZ signal this moment, and the control alarm lamp lights and the speaker reports to the police to the outage of cutting off the water supply.
Example four: based on the first embodiment
As shown in fig. 7, in the present embodiment, the detector 5 adopts a detection circuit formed by an optical coupler U1, and the detection circuit further includes two metal terminals installed outside the through-line slot 301; a pin 1 of the optocoupler U1 is connected with a capacitor CY2 and a resistor R3 in series to a voltage source L, and a pin 2 of the optocoupler U1 is grounded; a pin 1 of the optocoupler U1 is connected with a metal terminal, and the other metal terminal is grounded; 3 feet of the optical coupler U1 are grounded, 4 feet of the optical coupler U1 are connected with a resistor R2-5V voltage source in series, and 4 feet of the optical coupler U1 are also connected with a resistor R1-signal input end of the controller MCU in series.
When not having water, there is the difference in height metal terminal and ground, normally the during operation is ungrounded, voltage source L sends the high level, switch on through drive opto-coupler U1, transmit low level signal to controller MCU, when water overflows the footing, metal terminal ground connection, opto-coupler U1 disconnection, transmit high level signal to controller MCU, after controller MCU received high level signal, controller MCU sends LED and BUZ signal, the control alarm lamp lights and the speaker reports to the police, and the outage of cutting off the water supply.
Example five: based on the first embodiment
As shown in fig. 8, the detector 5 is a detection circuit formed by a fuse F1, and the detection circuit further includes two metal terminals installed outside the via groove 301; one end of the fuse F1 is connected with a voltage source L, the other end of the fuse F1 is connected with a capacitor CY in series and is connected with a metal terminal, and the other metal terminal is grounded; the intermediate connection point of the fuse F1 and the capacitor CY is connected with the signal input end of the controller MCU.
When water overflows the footing, the metal terminal is grounded, the fuse F1 is in short circuit disconnection, the controller MCU sends out LED and BUZ signals, the control alarm lamp is lightened, the loudspeaker gives an alarm, and the water and electricity are cut off.
Example six: based on the first embodiment
The controller MCU is also connected with the mobile phone through WIFI, and a user can find water leakage in time through APP on the mobile phone to achieve the warning effect. Through the stage of program operation and the time point of water leakage, it can be determined at which node the washing machine is working, so as to determine which component the internal water leakage point is at.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A washing machine foot is characterized by comprising a foot bolt (1);
the footing bolt (1) comprises a stud (101) and a base (102); a base (102) of the bottom stud (1) is clamped on the bottom rubber ring (3); a washer (2) is arranged in the middle of the stud (101); a through hole (103) is formed in the middle of the end face of the stud (101);
one surface of the bottom foot rubber ring (3) is provided with a clamping groove (302); a through line groove (301) is formed in the side face of the clamping groove (302);
a detector (5) for detecting water leakage is arranged on the outer side of the through line groove (301); the detector (5) is electrically connected with the controller MCU through a lead (4); the controller MCU is also respectively connected with the alarm circuit and the indicator light circuit;
when the detector (5) senses that the ground water level is higher than the bottom rubber ring (3), the detector (5) transmits a signal to the controller MCU; and the controller MCU controls the indicator light circuit to be conducted and controls the alarm circuit to give an alarm.
2. A washing machine foot according to claim 1, characterized in that the detector (5) is a detection circuit formed by a sensor, one end of the sensor is connected with a voltage source VCC, and the other end of the sensor is grounded; the output pin of the sensor is connected with a resistor R5 in series to the controller MCU.
3. A washing machine foot as claimed in claim 2, characterised in that the sensor is a photoelectric level sensor or a diffuse reflectance photoelectric sensor.
4. A washing machine foot according to claim 1, characterized in that the detector (5) employs a detection circuit constituted by a fuse F1, the detection circuit further comprising two metal terminals mounted outside the through-wire slot (301);
one end of the fuse F1 is connected with a voltage source L, the other end of the fuse F1 is connected with a capacitor CY in series and is connected with a metal terminal, and the other metal terminal is grounded; and the intermediate connection point of the fuse F1 and the capacitor CY is connected with the signal input end of the controller MCU.
5. A washing machine foot as claimed in claim 1, characterized in that the detector (5) employs a detection circuit formed by an optocoupler U1, the detection circuit further comprising two metal terminals mounted outside the through-wire slot (301);
a 1 pin of the optocoupler U1 is connected with a capacitor CY2 and a resistor R3 in series to a voltage source L, and a 2 pin of the optocoupler U1 is grounded;
a pin 1 of the optical coupler U1 is connected with a metal terminal, and the other metal terminal is grounded;
3 feet of the optical coupler U1 are grounded, 4 feet of the optical coupler U1 are connected with a resistor R2-5V voltage source in series, and 4 feet of the optical coupler U1 are also connected with a resistor R1-to-controller MCU signal input end in series.
6. A washing machine foot as defined in claim 1 wherein the indicator light circuit comprises a light emitting diode and a transistor Q2; one end of the light emitting diode is connected with a 12V voltage source, the other end of the light emitting diode is connected with a resistor R7 to a collector of a triode Q2 in series, a base electrode of the triode Q2 is connected with a control pin of an indicator light circuit of a controller MCU, and an emitting electrode of the triode Q2 is grounded.
7. A washing machine foot as claimed in claim 1, characterized in that the alarm circuit comprises a buzzer BZ and a triode Q1, the collector of the triode Q1 is connected in series with a resistor R6 to a 12V voltage source, and two pins of the buzzer BZ are respectively connected with two ends of a resistor R6; the emitting electrode of the triode Q1 is grounded, and the collecting electrode of the triode Q1 is connected with the control pin of the alarm circuit of the controller MCU.
8. A washing machine foot as claimed in claim 1 wherein the controller MCU is connected to a 5V voltage source for system power, the controller MCU also having a foot connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559366.9A CN114277553B (en) | 2021-12-20 | 2021-12-20 | Washing machine footing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559366.9A CN114277553B (en) | 2021-12-20 | 2021-12-20 | Washing machine footing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114277553A true CN114277553A (en) | 2022-04-05 |
| CN114277553B CN114277553B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111559366.9A Active CN114277553B (en) | 2021-12-20 | 2021-12-20 | Washing machine footing |
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| CN (1) | CN114277553B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874403A (en) * | 1973-11-14 | 1975-04-01 | Wayne L Fischer | Safety attachment for appliances subject to fluid leakage |
| KR960022792U (en) * | 1994-12-21 | 1996-07-20 | 우성전기공업주식회사 | Pressure sensor |
| EP1210903A2 (en) * | 2000-11-30 | 2002-06-05 | Oy Ekspansio Engineering Limited | Protective tray for washing machine |
| CN101328666A (en) * | 2008-07-23 | 2008-12-24 | 南京乐金熊猫电器有限公司 | Drum-type washing machine having water leakage alarming device |
| CN201428071Y (en) * | 2009-06-10 | 2010-03-24 | 南京乐金熊猫电器有限公司 | Washing-machine with balance indicating device |
| CN105970555A (en) * | 2015-03-12 | 2016-09-28 | 青岛海尔洗衣机有限公司 | Automatic weighing device of washing machine |
| CN107177964A (en) * | 2017-06-08 | 2017-09-19 | 青岛海尔滚筒洗衣机有限公司 | Detect pressure footing, household electrical appliance and automatic sensing footing balance method |
| CN110285929A (en) * | 2019-07-25 | 2019-09-27 | 珠海格力电器股份有限公司 | A kind of leak water detdction circuit |
| CN209482003U (en) * | 2018-12-17 | 2019-10-11 | 江苏新安电器有限公司 | A kind of washing machine with water leakage detection warning device |
| CN211395043U (en) * | 2019-10-15 | 2020-09-01 | 青岛海尔洗衣机有限公司 | Support footing and domestic appliance |
| CN113668196A (en) * | 2020-05-15 | 2021-11-19 | 青岛海尔洗衣机有限公司 | Footing structure and washing machine |
-
2021
- 2021-12-20 CN CN202111559366.9A patent/CN114277553B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874403A (en) * | 1973-11-14 | 1975-04-01 | Wayne L Fischer | Safety attachment for appliances subject to fluid leakage |
| KR960022792U (en) * | 1994-12-21 | 1996-07-20 | 우성전기공업주식회사 | Pressure sensor |
| EP1210903A2 (en) * | 2000-11-30 | 2002-06-05 | Oy Ekspansio Engineering Limited | Protective tray for washing machine |
| CN101328666A (en) * | 2008-07-23 | 2008-12-24 | 南京乐金熊猫电器有限公司 | Drum-type washing machine having water leakage alarming device |
| CN201428071Y (en) * | 2009-06-10 | 2010-03-24 | 南京乐金熊猫电器有限公司 | Washing-machine with balance indicating device |
| CN105970555A (en) * | 2015-03-12 | 2016-09-28 | 青岛海尔洗衣机有限公司 | Automatic weighing device of washing machine |
| CN107177964A (en) * | 2017-06-08 | 2017-09-19 | 青岛海尔滚筒洗衣机有限公司 | Detect pressure footing, household electrical appliance and automatic sensing footing balance method |
| CN209482003U (en) * | 2018-12-17 | 2019-10-11 | 江苏新安电器有限公司 | A kind of washing machine with water leakage detection warning device |
| CN110285929A (en) * | 2019-07-25 | 2019-09-27 | 珠海格力电器股份有限公司 | A kind of leak water detdction circuit |
| CN211395043U (en) * | 2019-10-15 | 2020-09-01 | 青岛海尔洗衣机有限公司 | Support footing and domestic appliance |
| CN113668196A (en) * | 2020-05-15 | 2021-11-19 | 青岛海尔洗衣机有限公司 | Footing structure and washing machine |
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| CN114277553B (en) | 2024-03-29 |
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