CN113005718A - Mechanical liquid level detection device and washing machine - Google Patents
Mechanical liquid level detection device and washing machine Download PDFInfo
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- CN113005718A CN113005718A CN202110149436.7A CN202110149436A CN113005718A CN 113005718 A CN113005718 A CN 113005718A CN 202110149436 A CN202110149436 A CN 202110149436A CN 113005718 A CN113005718 A CN 113005718A
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- detection device
- level detection
- washing
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- 238000005406 washing Methods 0.000 title claims abstract description 102
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000000903 blocking effect Effects 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
- D06F34/22—Condition of the washing liquid, e.g. turbidity
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
-
- 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
- D06F2103/18—Washing liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention provides a mechanical liquid level detection device and a washing machine, relates to the technical field of washing machines, and solves the technical problem that a liquid level pressure sensing device in the prior art is not suitable for a single-drum washing machine. The device comprises a connecting pipe, a plugging structure and a mechanical indicating structure, wherein one end of the connecting pipe is connected with the plugging structure, the plugging structure is used for plugging the connecting pipe, and the other end of the connecting pipe is used for being communicated with a washing drum of the washing machine; the blocking structure comprises a blocking plug, the blocking plug is connected with the mechanical indicating structure, and when the position of the blocking plug changes due to the change of the pressure in the connecting pipe, the mechanical indicating structure can act to correspond to the water level condition in the washing drum. The invention is used for the washing machine with a single washing drum structure, and has low cost and strong reliability.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a mechanical liquid level detection device and a washing machine with the same.
Background
The existing liquid level detection device mostly adopts a sensor device which converts air pressure signals into electric signals, and the device is arranged on a washing machine with an outer barrel structure and is specifically arranged as follows: the washing machine is internally provided with a plastic pipe, and the top end of the plastic pipe is provided with a pressure sensor. Be equivalent to a U-shaped pipe between plastic tubing and the pail, when the washing machine water injection, the pail water level rose, and the intraductal water level of plastic also rose, the intraductal air of compression plastic, and the sensor detects intraductal air pressure value, whether the size through the pressure value judges the water level and targets in place.
Because pressure sensor adopts the connected mode of wire terminal socket, there is the risk of contact failure to lead to the liquid level to detect inaccurate, and then influence laundry performance and user experience, the wiring requirement of this kind of device simultaneously is not suitable for the washing machine of single-tub structure.
In addition, in the existing impeller type washing machine, the water really participating in washing is only the part in the inner barrel, and the part filled between the inner barrel and the side wall of the outer barrel does not participate in washing, so that the waste of water resources is large. Meanwhile, the area between the inner barrel and the outer barrel also forms a space for storing dirt and dirt, and water scale in tap water, free substances of washing powder, cellulose of clothes, organic matters of human bodies and dust and bacteria brought by the clothes are easy to be remained between the side walls of the inner barrel and the outer barrel.
Disclosure of Invention
The invention aims to provide a mechanical liquid level detection device and a washing machine provided with the same, and provides a novel liquid level detection device. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a mechanical liquid level detection device, which comprises a connecting pipe, a plugging structure and a mechanical indicating structure, wherein one end of the connecting pipe is connected with the plugging structure, the plugging structure is used for plugging the connecting pipe, and the other end of the connecting pipe is used for being communicated with a washing drum of a washing machine; the blocking structure comprises a blocking plug, the blocking plug is connected with the mechanical indicating structure, and when the position of the blocking plug changes due to the change of the pressure in the connecting pipe, the mechanical indicating structure can act to correspond to the water level condition in the washing drum.
Furthermore, the mechanical liquid level detection device also comprises an indication pointer, wherein scales are arranged on the mechanical indication structure, and when the position of the sealing plug changes due to the change of the pressure in the connecting pipe, the relative position of the mechanical indication structure and the indication pointer can change.
Furthermore, the mechanical indication structure is a gear and rack structure, a rack of the mechanical indication structure is connected with the plugging plug, an indication pointer is arranged on a gear of the mechanical indication structure, the position of the indication pointer is fixed, scales are arranged on the gear, and when the position of the rack changes, the gear can rotate to change the relative position of the gear and the indication pointer.
Further, the mechanical liquid level detection device comprises a guide structure, and the guide structure is used for guiding the rack to move along the vertical direction.
Further, the mechanical indication structure further comprises a detection shell, the mechanical indication structure is arranged in the detection shell, a guide rail is fixed in the detection shell, a vertical guide groove is formed in the guide rail, a sliding block is connected to the rack and located in the vertical guide groove, and the guide rail and the sliding block form the guide structure.
Furthermore, the cross section shapes of the sliding block and the rack are I-shaped structures, and the shape of the vertical guide groove is matched with that of the sliding block.
Furthermore, the plugging structure further comprises an elastic piece, the elastic piece is connected with the plugging plug, and the elastic piece is used for resetting the plugging plug.
Furthermore, the plugging structure further comprises a fixed chassis, the fixed chassis is fixed in position, a communicating hole is formed in the fixed chassis, the plugging plug is arranged in the communicating hole, a connecting rod of the mechanical indication structure is inserted into the communicating hole and connected with the plugging plug, the elastic piece is sleeved on the connecting rod, a connecting end is arranged on the fixed chassis, and the connecting end is connected with the connecting pipe.
Furthermore, a filter screen is arranged on the connecting pipe or the washing cylinder, and water in the washing cylinder can flow to the connecting pipe through the filter screen.
Furthermore, mechanical type liquid level detection device still includes the support pipe fitting, the support pipe fitting is connected on the washing section of thick bamboo, the connecting pipe, the block structure with mechanical indication structure sets up in the support pipe fitting, the block structure is fixed on the support pipe fitting, the support pipe fitting with the washing section of thick bamboo forms U type structure.
Further, mechanical type liquid level detection device still includes camera and control system, the camera with control system is connected, the camera is used for gathering mechanical indication structure's positional information, just the camera can give with the information transmission of gathering control system, control system is used for controlling water level in the wash bucket.
A washing machine comprises the mechanical liquid level detection device.
Further, the washing machine is a single-drum impeller washing machine.
Furthermore, the washing machine also comprises a valve core and a valve core driving device, wherein the valve core driving device is connected with the valve core, only the bottom of the washing cylinder is provided with a water outlet, and the valve core can open the water outlet and close the water outlet under the driving of the valve core driving device.
According to the mechanical liquid level detection device provided by the invention, when water flows into the connecting pipe, the gas in the connecting pipe is compressed, the compressed gas acts on the plugging plug, the plugging plug can move under the action of a certain pressure, the mechanical indication structure is connected with the plugging plug, when the position of the plugging plug changes, the mechanical indication structure can also act, the action of the mechanical indication structure corresponds to the water level condition in the washing cylinder, and the water level condition in the washing cylinder can be mastered by collecting the information on the mechanical indication structure. The invention monitors the water level by a mechanical liquid level detection device, can be applied to the washing machine with a single washing drum structure, and has low cost and strong reliability.
The preferred technical scheme of the invention can at least produce the following technical effects:
the mechanical indicating structure is a gear and rack structure, and the structure is simple;
the mechanical liquid level detection device also comprises a camera and a control system, wherein the camera is connected with the control system, the camera can convert digital image signals of the water level (scales on a gear and an indicating pointer can form water level digital image signals) into electronic signals and transmit the electronic signals to the control system, the camera is fixed on the outer barrel, and when the washing barrel rotates, the function of the liquid level detection device is not affected;
the washing machine also comprises a valve core and a valve core driving device, wherein the valve core driving device is connected with the valve core, only the bottom of the washing cylinder is provided with a water outlet, and during normal washing, the valve core driving device is in an extension state, jacks up the valve core, blocks the water outlet, and the washing cylinder can perform a normal washing function; when drainage is needed, the valve core driving device is in a contraction state, the valve core leaves the water outlet, water flows out from the water outlet and flows to a sewer through the drainage pipe, and therefore no water is stored between the washing drum and the outer drum.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a single-drum pulsator washing machine according to an embodiment of the present invention;
FIG. 2 is a partial enlarged view B of FIG. 1;
FIG. 3 is a partial enlarged view A of FIG. 1;
fig. 4 is a schematic sectional view taken along line a-a in fig. 3.
FIG. 1-connecting tube; 2-a blocking structure; 201-blocking; 202-an elastic member; 203-fixed chassis; 204-a communication hole; 205-a connection end; 3-a mechanical indicating structure; 301-rack; 302-gear; 303-a connecting rod; 304-a detection housing; 4-a washing drum; 401-water outlet; 5-indicating a pointer; 6, filtering a screen; 7-a guide structure; 701-a guide rail; 702-a slider; 8-supporting the pipe; 9-a camera; 10-a valve core; 11-a spool drive; 12-an outer barrel; 13-a wave wheel; 14-motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-4, the present invention provides a mechanical liquid level detection device, which includes a connection pipe 1, a blocking structure 2 and a mechanical indication structure 3, wherein the connection pipe 1 may be a connection hose, one end of the connection pipe 1 is connected to the blocking structure 2, the blocking structure 2 is used for blocking the connection pipe 1, and the other end of the connection pipe 1 is used for being communicated with a washing drum 4 of a washing machine; the blocking structure 2 comprises a blocking plug 201, the blocking plug 201 is connected with the mechanical indicating structure 3, and when the position of the blocking plug 201 changes due to the pressure change in the connecting pipe 1, the mechanical indicating structure 3 can act to correspond to the water level condition in the washing drum 4. The working principle of the mechanical liquid level detection device provided by the invention is as follows: because one end of the connecting pipe 1 is used for being communicated with a washing drum 4 of the washing machine, when a certain amount of clear water is injected into the washing drum 4, the water surface in the connecting pipe 1 is flush with the water surface in the washing drum 4, and the other end of the connecting pipe 1 is provided with the plugging structure 2, when water flows into the connecting pipe 1, the gas in the connecting pipe 1 is compressed, the compressed gas acts on the plugging plug 201, the plugging plug 201 can move under the action of a certain pressure, because the mechanical indication structure 3 is connected with the plugging plug 201, when the position of the plugging plug 201 changes, the mechanical indication structure 3 can also act, the action of the mechanical indication structure 3 corresponds to the water level condition in the washing drum 4, and the water level condition in the washing drum 4 can be mastered by acquiring the information on the mechanical indication structure 3. In the conventional water level detection device, the detection unit is a pressure sensor, and the pressure sensor can normally work only by a connecting wire, so that the problem of wiring caused by the pressure sensor is inevitably generated. The invention reflects the water level condition in the washing drum 4 through the plugging plug 201 and the mechanical indicating structure 3, the plugging plug 201 and the mechanical indicating structure 3 do not need to be connected, and a device for acquiring the signal of the mechanical indicating structure 3 can be arranged on the outer drum 12 of the washing machine. The invention monitors the water level by a mechanical liquid level detection device, can be applied to the washing machine with a single washing drum structure, and has low cost and strong reliability.
As regards the case where the mechanical indicating structure 3 reflects the water level inside the washing tub 4, the following may be specified: the mechanical liquid level detection device further comprises an indication pointer 5, scales are arranged on the mechanical indication structure 3, and when the position of the plugging plug 201 changes due to the change of the pressure in the connecting pipe 1, the relative position of the mechanical indication structure 3 and the indication pointer 5 can change. The position of the indicating pointer 5 is fixed, and when no clear water is in the washing drum 4, the scale value indicated by the indicating pointer 5 can be 0 (or indicate "none"); when the water in the washing drum 4 reaches a certain amount, the mechanical indicating structure 3 is actuated to make the indicating pointer 5 point to the corresponding scale value on the mechanical indicating structure 3. The scale on the mechanical indicating structure 3 can be a number of "1, 2 and 3", or can be an indicating character of "none, low, medium and high".
As an optional implementation manner of the embodiment of the present invention, regarding the specific structure of the mechanical indicating structure 3, the following may be implemented: referring to fig. 1 and 3, the mechanical indicating structure 3 is a rack-and-pinion structure, a rack 301 of the mechanical indicating structure 3 is connected to the plugging plug 201, an indicating pointer 5 is arranged on a pinion 302 of the mechanical indicating structure 3, the position of the indicating pointer 5 is fixed, and scales are arranged on the pinion 302, when the position of the rack 301 changes, the pinion 302 can rotate to change the relative position of the pinion 302 and the indicating pointer 5. Referring to fig. 3, illustrating the plug 201, the rack 301 and the gear 302, when the plug 201 moves upward under the action of the compressed gas, the rack 301 moves upward, and the gear 302 rotates due to the engagement of the rack 301 and the gear 302.
In order to facilitate the stable action of the mechanical indicating structure 3, the mechanical liquid level detecting device further comprises a guiding structure 7, and the guiding structure 7 is used for guiding the rack 301 to move along the vertical direction. As for the specific structure of the guide structure 7, the following may be mentioned: mechanical indication structure 3 still includes and detects shell 304, and mechanical indication structure 3 sets up in detecting shell 304, and it has guide rail 701 to detect the shell 304 internal fixation, is provided with vertical guide way on the guide rail 701, is connected with slider 702 on the rack 301, and slider 702 is located vertical guide way, and guide rail 701 and slider 702 form guide structure 7. Referring to fig. 4, a guide structure 7 is illustrated, the cross-sectional shapes of the sliding block 702 and the rack 301 are in an "i" shape, the shape of the vertical guide groove matches with the shape of the sliding block 702, and when the rack 301 moves in the vertical direction, the sliding block 702 moves along the vertical guide groove on the guide rail 701. In addition, referring to fig. 4, it can be seen that the gear 302 is supported on the detection housing 304 by a rotating shaft.
As an optional implementation manner of the embodiment of the present invention, the blocking structure 2 further includes an elastic component 202, the elastic component 202 is connected to the blocking plug 201, and the elastic component 202 is used to reset the blocking plug 201. Referring to fig. 3, when the blocking plug 201 moves upward under the push of the compressed gas, the blocking plug 201 compresses the elastic member 202, and when the water in the washing tub 4 is discharged, the elastic member 202 facilitates the restoration of the blocking plug 201.
As for the specific structure of the plugging structure 2, the following may be mentioned: referring to fig. 3, the plugging structure 2 further includes a fixed chassis 203, the fixed chassis 203 is fixed in position, a communication hole 204 is formed in the fixed chassis 203, a plugging plug 201 is arranged in the communication hole 204, the plugging plug 201 is in sealing fit with the communication hole 204, a connecting rod 303 of the mechanical indication structure 3 is inserted into the communication hole 204 and connected with the plugging plug 201, an elastic member 202 is sleeved on the connecting rod 303, the elastic member 202 may be a spring, a connecting end 205 is formed in the fixed chassis 203, the connecting end 205 is connected with the connecting pipe 1, and the connecting pipe 1 is in sealing fit with the connecting section 205. When the plugging plug 201 moves upwards under the pushing of the compressed gas, the plugging plug 201 drives the rack 301 to move upwards together through the connecting rod 203.
As an optional implementation manner of the embodiment of the present invention, a filter screen 6 is disposed on the connection pipe 1 or the washing drum 4, and water in the washing drum 4 can flow to the connection pipe 1 through the filter screen 6. Referring to fig. 2, it is shown that a filtering net 6 is provided on the washing tub 4 to prevent impurities from entering the connection pipe 1 to cause clogging. Fig. 2 also shows the connection structure of the connection pipe 1 and the washing drum 4, which are in sealing fit.
As an optional implementation manner of the embodiment of the present invention, the mechanical liquid level detection device further includes a supporting pipe 8, the supporting pipe 8 is connected to the washing drum, the connecting pipe 1, the blocking structure 2, and the mechanical indication structure 3 are disposed in the supporting pipe 8, the blocking structure 2 is fixed on the supporting pipe 8, and the supporting pipe 8 and the washing drum 4 form a U-shaped structure. Referring to fig. 1, a supporting pipe 8 is illustrated, the extending direction of the connecting pipe 1 is the same as that of the supporting pipe 8, and the connecting pipe 1 and the washing drum 4 form a U-shaped communicating pipe structure. The support tube 8 can serve as a guard.
As an optional implementation manner of the embodiment of the present invention, the mechanical liquid level detection device further includes a camera 9 and a control system, the camera 9 is connected to the control system, the camera 9 is configured to collect position information of the mechanical indication structure 3, the camera 9 can transmit the collected information to the control system, and the control system is configured to control a water level in the washing drum 4. Referring to fig. 1, a camera 9 is illustrated, wherein the camera 9 can convert a digital image signal of the water level (the scale on the gear 302 and the indicating pointer 5 can form a digital image signal of the water level) into an electronic signal and transmit the electronic signal to the control system. The camera 9 can be fixed on the outer tub 12 and located opposite the mechanical indicating structure 3, so that the function of the liquid level detecting device is not affected when the washing tub 4 is rotated. The control system can control the water filling condition into the washing drum 4 according to the information transmitted by the camera 9.
A washing machine comprises the mechanical liquid level detection device provided by the invention. The washing machine can be a single-drum impeller washing machine, the water level condition in the washing drum 4 is reflected through the plugging plug 201 and the mechanical indicating structure 3, the plugging plug 201 and the mechanical indicating structure 3 do not need to be connected, and a device for acquiring signals of the mechanical indicating structure 3 can be arranged on the outer drum 12 of the washing machine, so that the problem of connection of a pressure sensor is avoided.
When the washing machine is a single-drum pulsator washing machine, the washing machine further comprises a valve core 10 and a valve core driving device 11, the valve core driving device 11 is connected with the valve core 10, only the bottom of the washing drum 4 is provided with a water outlet 401, and the valve core 10 can open the water outlet 401 and can close the water outlet 401 under the driving of the valve core driving device 11. The valve core driving device 11 can be a driving cylinder, and during normal washing, the valve core driving device 11 is in an extending state to jack the valve core 10 to block the water outlet 401, so that the washing cylinder 4 can have a normal washing function; when drainage is needed, the valve core driving device 11 is in a contraction state, the valve core 10 leaves the water outlet 401, water flows out from the water outlet 401 and flows to a sewer through the drainage pipe, so that no water is stored between the washing drum 4 and the outer drum 12, and the problems of water waste and dirt storage of the pulsator double-drum washing machine are effectively solved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (14)
1. A mechanical liquid level detection device is characterized by comprising a connecting pipe (1), a blocking structure (2) and a mechanical indicating structure (3), wherein,
one end of the connecting pipe (1) is connected with the plugging structure (2), the plugging structure (2) is used for plugging the connecting pipe (1), and the other end of the connecting pipe (1) is used for being communicated with a washing drum (4) of the washing machine;
the blocking structure (2) comprises a blocking plug (201), the blocking plug (201) is connected with the mechanical indicating structure (3), and when the position of the blocking plug (201) changes due to the change of the pressure in the connecting pipe (1), the mechanical indicating structure (3) can act to correspond to the water level condition in the washing drum (4).
2. The mechanical liquid level detection device according to claim 1, further comprising an indication pointer (5), wherein the mechanical indication structure (3) is provided with a scale, and when the position of the sealing plug (201) changes due to the pressure change in the connecting pipe (1), the relative position of the mechanical indication structure (3) and the indication pointer (5) can change.
3. The mechanical liquid level detection device according to claim 1, wherein the mechanical indicating structure (3) is a rack-and-pinion structure, a rack (301) of the mechanical indicating structure (3) is connected with the seal plug (201), an indicating pointer (5) is arranged on a gear (302) of the mechanical indicating structure (3), the position of the indicating pointer (5) is fixed, scales are arranged on the gear (302), and when the position of the rack (301) is changed, the gear (302) can rotate to change the relative position of the gear (302) and the indicating pointer (5).
4. The mechanical liquid level detection device according to claim 3, characterized in that the mechanical liquid level detection device further comprises a guiding structure (7), wherein the guiding structure (7) is used for guiding the rack (301) to move along a vertical direction.
5. The mechanical liquid level detection device according to claim 4, wherein the mechanical indication structure (3) further comprises a detection housing (304), the mechanical indication structure (3) is arranged in the detection housing (304), a guide rail (701) is fixed in the detection housing (304), a vertical guide groove is arranged on the guide rail (701), a sliding block (702) is connected to the rack (301), the sliding block (702) is located in the vertical guide groove, and the guide rail (701) and the sliding block (702) form the guide structure (7).
6. The mechanical liquid level detection device as claimed in claim 5, wherein the cross-sectional shapes of the sliding block (702) and the rack (301) are in an I-shaped structure, and the shape of the vertical guide groove is matched with the shape of the sliding block (702).
7. The mechanical liquid level detection device according to claim 1, wherein the blocking structure (2) further comprises an elastic member (202), the elastic member (202) is connected with the blocking plug (201), and the elastic member (202) is used for resetting the blocking plug (201).
8. The mechanical liquid level detection device according to claim 7, wherein the blocking structure (2) further comprises a fixing chassis (203), the fixing chassis (203) is fixed in position, a communication hole (204) is formed in the fixing chassis (203), the blocking plug (201) is arranged in the communication hole (204), a connecting rod (303) of the mechanical indication structure (3) is inserted into the communication hole (204) and connected with the blocking plug (201), the elastic member (202) is sleeved on the connecting rod (303), a connecting end (205) is arranged on the fixing chassis (203), and the connecting end (205) is connected with the connecting pipe (1).
9. The mechanical liquid level detection device according to claim 1, wherein a filter screen (6) is disposed on the connection pipe (1) or the washing drum (4), and water in the washing drum (4) can flow to the connection pipe (1) through the filter screen (6).
10. The mechanical liquid level detection device according to claim 1, further comprising a support tube (8), wherein the support tube (8) is connected to the washing drum, the connection tube (1), the blocking structure (2) and the mechanical indication structure (3) are disposed in the support tube (8), the blocking structure (2) is fixed on the support tube (8), and the support tube (8) and the washing drum (4) form a U-shaped structure.
11. Mechanical liquid level detection device according to any of claims 1-10, further comprising a camera (9) and a control system, wherein the camera (9) is connected to the control system, wherein the camera (9) is configured to collect position information of the mechanical indication structure (3), and wherein the camera (9) is configured to transmit the collected information to the control system, wherein the control system is configured to control the water level in the washing tub (4).
12. A washing machine comprising a mechanical level detecting device according to any one of claims 1 to 11.
13. The washing machine as claimed in claim 12, wherein the washing machine is a single drum pulsator washing machine.
14. The washing machine according to claim 12, characterized in that the washing machine further comprises a valve core (10) and a valve core driving device (11), the valve core driving device (11) is connected with the valve core (10), only the bottom of the washing drum (4) is provided with a water outlet (401), and the valve core (10) can open the water outlet (401) and close the water outlet (401) under the driving of the valve core driving device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149436.7A CN113005718A (en) | 2021-02-03 | 2021-02-03 | Mechanical liquid level detection device and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110149436.7A CN113005718A (en) | 2021-02-03 | 2021-02-03 | Mechanical liquid level detection device and washing machine |
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| CN113005718A true CN113005718A (en) | 2021-06-22 |
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| CN202110149436.7A Pending CN113005718A (en) | 2021-02-03 | 2021-02-03 | Mechanical liquid level detection device and washing machine |
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| CN212206265U (en) * | 2020-05-12 | 2020-12-22 | 益阳中燃城市燃气发展有限公司 | Gas tank body liquid level meter convenient to observe |
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2021
- 2021-02-03 CN CN202110149436.7A patent/CN113005718A/en active Pending
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| JPS6089718A (en) * | 1983-10-21 | 1985-05-20 | Sharp Corp | Water level detector |
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| CN205642560U (en) * | 2016-05-27 | 2016-10-12 | 张天一 | Float -type fluviograph |
| CN106868774A (en) * | 2017-03-16 | 2017-06-20 | 青岛海尔智能技术研发有限公司 | A kind of washing machine |
| CN212206265U (en) * | 2020-05-12 | 2020-12-22 | 益阳中燃城市燃气发展有限公司 | Gas tank body liquid level meter convenient to observe |
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Application publication date: 20210622 |