CN214198604U - Clothes nursing machine - Google Patents

Abstract

The utility model provides a clothes nursing machine. The utility model discloses a clothing nursing machine, include: the device comprises a capacitance type water level sensor, a boiler, a water supply mechanism and a control circuit board; the capacitance type water level sensor is arranged on a mounting port on the boiler, and the capacitance type water level sensor can detect the change of capacitance when water exists or does not exist in the mounting port. The capacitance type water level sensor sends the detected capacitance to the control circuit board, so that the control circuit board controls the water supply mechanism to be opened and closed according to the detected capacitance. Because the utility model discloses capacitance between the electrode slice in clothing nursing machine utilized electric capacity formula level sensor detection boiler inner medium and the electric capacity formula level sensor, the dielectric constant of incrustation scale relative water is less, and is less to the electric capacity influence of boiler and electric capacity pole piece, can not cause to cause substantial influence to the water level testing result, makes the utility model discloses clothing nursing machine operating condition is more reliable and more stable.

Description

Clothes nursing machine

Technical Field

The utility model relates to a clothing nursing technical field especially relates to a clothing nursing machine.

Background

With the improvement of living standards, the requirements of people on clothes treatment are continuously improved, and the clothes treatment by a washing machine, an iron and the like can not meet the requirements of people. A laundry care machine for caring laundry with steam has been produced. The laundry care machine generally includes a care box and a steam generator, wherein steam generated by the steam generator is introduced into the care box to care the laundry in the care box. Among them, the steam generator generally includes a boiler and a heater that heats water in the boiler to generate steam. A water level detection sensor is usually disposed in the boiler to detect the height of the water level, and then determine whether to supply water into the boiler.

A floating ball type liquid level meter is generally adopted in a boiler of the existing clothes nursing machine and comprises a floating ball and a sliding rod, and the floating ball is sleeved on the sliding rod. When the water level in the boiler changes, the floating ball moves up and down along the sliding rod along with the water level. The magnet of the floating ball generates magnetic attraction to the reed switch in the slide bar, and the position change of the liquid level is converted into an electric signal.

However, because the floater and the slide bar are immersed in the water in the boiler, the boiler heats the water to generate water vapor, scale cannot be generated, the scale deposits on the inner hole of the floater and the surface of the slide bar, so that the friction between the floater and the slide bar is increased, the sliding of the floater is blocked, even the blocking condition occurs, the water level detection is inaccurate or even fails, and the clothes care machine cannot work normally.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clothes nursing machine to solve current floater formula level gauge and lead to the inaccurate technical problem who loses efficacy even of water level detection because of depositing the incrustation scale.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a clothes nursing machine, it includes: the device comprises a capacitance type water level sensor, a boiler, a water supply mechanism and a control circuit board; the boiler is communicated with a water outlet of the water supply mechanism, and is provided with a mounting hole; the capacitive water level sensor is arranged on the mounting opening and is electrically connected with the control circuit board; the control circuit board is configured to control the opening and closing of the water supply mechanism according to the received capacitance of the capacitance type water level sensor and the capacitance threshold value.

Compared with the prior art, the utility model provides a clothing care implement has following advantage:

the utility model provides a clothes nursing machine, through the water level of installing capacitanc level sensor detection boiler in the boiler. Specifically, the capacitive water level sensor is mounted on a mounting port on the boiler, and the presence or absence of water in the mounting port causes the capacitive water level sensor to detect a change in capacitance. The capacitance type water level sensor sends the detected capacitance to the control circuit board, so that the control circuit board controls the water supply mechanism to be opened and closed according to the detected capacitance. When the capacitance detected by the capacitance type water level sensor is larger than the capacitance threshold value, the fact that air exists in the mounting port is indicated, the water level of the boiler is lower than the preset water level, and the control circuit board controls the water supply mechanism to be started to supply water into the boiler. When the capacitance detected by the capacitance type water level sensor is smaller than or equal to the capacitance threshold value, the fact that water is in the mounting port is indicated, the water level in the boiler is higher than or equal to a preset water level, and the control circuit board controls the water supply mechanism to be closed. Because the utility model discloses capacitance between clothing nursing machine utilized electric capacity formula level sensor to detect boiler inner medium and the electrode slice, the dielectric constant of incrustation scale relative water is less, and is less to the electric capacity influence of boiler and electric capacity pole piece, can not cause the influence that causes substantive material to the water level testing result, makes the utility model discloses clothing nursing machine operating condition is reliable and more stable.

As an improvement of the above-mentioned clothes care machine of the present invention, said clothes care machine further comprises a connecting member fixedly connected to said boiler, said connecting member being provided with an accommodating cavity communicated with said mounting port; the connecting piece is fixedly connected with the capacitance type water level sensor.

As an improvement of the clothes care machine of the present invention, a fixing ring is disposed outside the boiler, and the fixing ring is communicated with the mounting opening and the accommodating cavity; the fixing ring is fixedly connected with the connecting piece.

As an improvement of the above-mentioned clothes caring machine of the present invention, the connecting member is bonded to the fixing ring, or the connecting member is detachably connected to the fixing ring.

As an improvement of the above-mentioned clothes caring machine of the present invention, the connecting member is in threaded connection with the fixing ring.

As an improvement of the above-mentioned laundry care machine of the present invention, the connecting member and the capacitive water level sensor pass through screw fixed connection.

As an improvement of the above-mentioned clothes nursing machine of the present invention, the connecting member is a non-metallic connecting member.

As an improvement of the above-mentioned clothes nursing machine of the present invention, the boiler is provided with a water inlet communicated with the water supply mechanism, the water inlet is located above the mounting opening.

As an improvement of the clothes care machine of the present invention, the mounting opening is a circular opening, and the diameter of the circular opening is greater than or equal to 6 mm; or the mounting opening is provided with a flow stabilizing plate, a plurality of through holes are uniformly distributed on the flow stabilizing plate, and the diameter of each through hole is larger than or equal to 6 mm.

As an improvement of the above-mentioned clothe nursing machine of the utility model, the boiler includes furnace body and lower furnace body, go up the furnace body with furnace body welding down, the water inlet sets up on the lower furnace body.

As an improvement of the clothes care machine of the present invention, the water supply mechanism includes a water supply pipe, a water supply pump and a clean water tank, wherein a water inlet end of the water supply pump is communicated with the clean water tank, and a water outlet end of the water supply pump is communicated with the boiler through the water supply pipe; the control circuit board is electrically connected with the water supply pump, and the control circuit board can control the water supply pump to be turned on when the capacitance detected by the capacitance type water level sensor is greater than the capacitance threshold value.

As an improvement of the clothes care machine of the present invention, the clothes care machine further comprises an electric heating tube, the electric heating tube is disposed in the boiler or outside the boiler, and the electric heating tube is used for heating water in the boiler to generate steam; the control circuit board is also electrically connected with the electric heating pipe, and the control circuit board is further configured to control heating of the electric heating pipe when the capacitance of the capacitive water level sensor is less than or equal to the capacitance threshold value.

As an improvement of the laundry care machine of the present invention, the laundry care machine further comprises a casing and an inner container located in the casing, the inner container and the bottom of the casing form an installation space, and the boiler, the control circuit board and the water supply mechanism are installed in the installation space; the boiler is provided with a steam outlet, and a steam pipeline is arranged between the steam outlet and the inner container.

As an improvement of the clothes care machine of the present invention, the clothes care machine further comprises a waste water discharge mechanism installed in the installation space, wherein the waste water discharge mechanism comprises a waste water pipe, a waste water pump and a waste water tank; one end of the waste water pipe is communicated with the waste water tank of the inner container, the other end of the waste water pipe is communicated with the water inlet end of the waste water pump, and the water outlet end of the waste water pump is communicated with the waste water tank.

In addition to the technical problems, technical features constituting technical solutions and the advantages brought by the technical features of the technical solutions described above, other technical problems that the laundry care machine provided by the present invention can solve, other technical features included in the technical solutions and the advantages brought by the technical features will be further described in detail in the following detailed description.

Drawings

In order to illustrate more clearly the embodiments of the invention or the technical solutions in the prior art, the drawings which are needed in the description of the embodiments of the invention or the prior art will be briefly described below, it is obvious that the drawings in the following description are only a part of the embodiments of the invention, and the drawings and the description are not intended to limit the scope of the disclosed concept in any way, but to illustrate the disclosed concept for a person skilled in the art by referring to a specific embodiment, and for a person skilled in the art, other drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a side view of a clothes care machine according to an embodiment of the present invention;

fig. 2 is a front view of a clothes care machine provided by an embodiment of the present invention;

FIG. 3 is an enlarged view of P in FIG. 2;

FIG. 4 is a schematic structural diagram of an embodiment of a boiler of a laundry care machine according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another embodiment of a boiler of a laundry care machine according to an embodiment of the present invention.

Description of reference numerals:

11: a housing; 12: an inner container; 121: a clothes rail; 122: clothing; 13: a door body; 14: an installation space;

2: a boiler; 20: a fixing ring; 21: an installation port; 22: a water inlet; 23: a steam outlet; 24: an upper furnace body; 25: a lower furnace body; 26: an electric heating tube; 27: a flow stabilizer; 271: a through hole;

3: a capacitive water level sensor;

4: a water supply mechanism; 41: a water purifying tank; 42: a water supply pump; 43: a water supply pipe;

5: a control circuit board; 51: a cable;

6: a wastewater discharge mechanism; 61: a waste pipe; 62: a waste water pump; 63: a wastewater tank;

7: a connecting member; 70: a receiving cavity; 71: a threaded hole; 72: and (4) screws.

Detailed Description

Generally adopt floater formula level gauge in the boiler of current clothing nursing machine, but because the equal submergence of floater and slide bar is in the aquatic of boiler, after the boiler adds hot water, the unavoidable production incrustation scale, the incrustation scale deposits on floater hole and slide bar surface, lead to the frictional force increase between floater and the slide bar, make the floater slide obstructed, the dead condition of card appears even, lead to the water level to detect inaccurate or even inefficacy, make the water in the boiler insufficient and appear dry combustion method, perhaps, water in the boiler is too much and spill over, and then lead to clothing nursing machine can not normally work.

In view of this, the utility model provides a clothes nursing machine, it utilizes the water level in the capacitive water level sensor monitoring boiler, and is concrete, capacitive water level sensor is used for detecting the electric capacity in the boiler, and control circuit board is according to the electric capacity control working shaft's that capacitive water level sensor sent opening, that is to say, whether the control circuit board is according to the size judgement boiler lack of water of electric capacity. Because the capacitance detected by the capacitance type water level sensor is different due to the different dielectric constants of water and air, the capacitance is not influenced by water scale, and no relative motion component exists, so that the detection is stable and reliable; the utility model discloses a clothing nursing machine simple structure, processing is convenient, and is with low costs.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a clothes care machine, which includes: the device comprises a capacitance type water level sensor 3, a boiler 2, a water supply mechanism 4 and a control circuit board 5; the boiler 2 is communicated with the water supply mechanism 4, and the boiler 2 is provided with an installation opening 21; the capacitive water level sensor 3 is arranged on the mounting opening 21, and the capacitive water level sensor 3 is electrically connected with the control circuit board 5; the control circuit board 5 is configured to control the opening and closing of the water supply mechanism 4 according to the received capacitance of the capacitive water level sensor 3 and the magnitude of the capacitance threshold.

Wherein the boiler 2 serves as a container for generating steam, and the interior thereof is used for containing purified water. The boiler 2 may be a cylindrical container, or the boiler may be a rectangular container, and the specific shape of the boiler 2 is not limited herein, and those skilled in the art may set the boiler according to the actual installation space. The boiler 2 may be electrically conductive, for example, the boiler 2 may be made of metal; for another example, the boiler 2 may also be made of semiconductor, and in the embodiment of the present invention, the boiler 2 is a metal furnace body. The boiler 2 is communicated with the water supply mechanism 4 so that the water supply mechanism 4 can inject clean water into the boiler 2 to make the boiler 2 generate water vapor. The boiler 2 is provided with a mounting port 21 to mount the capacitive water level sensor 3.

Capacitive water level sensor 3 can be current capacitive level sensor, and is optional, the utility model discloses a capacitive water level sensor 3 is non-contact, and its electrode slice need not to insert the aquatic of boiler 2. The capacitive water level sensor 3 is mounted on the mounting opening 21, for example, the capacitive water level sensor 3 is directly mounted on the mounting opening 21 by means of screws, bonding, etc., and for example, the capacitive water level sensor 3 is fixed on the mounting opening 21 by means of an intermediate member, and the specific mounting manner of the capacitive water level sensor 3 is not limited herein. The capacitive water level sensor 3 of the present embodiment is installed on the boiler 2 through the installation opening 21, and can detect the capacitance of the medium in the boiler 2 through the installation opening 21 to determine the water level in the boiler 2.

The control circuit board 5 may be integrated with a processor, a memory, a power board, and the like, which is not limited herein. The control circuit board 5 can be electrically connected with the capacitance type water level sensor 3 through a cable 51, so that the control circuit board 5 can be installed at a position far away from the boiler 2, the control circuit board 5 and components thereon are prevented from being influenced by the high temperature of the boiler 2, and the flexibility of the installation position of the control circuit board 5 can be improved.

The control circuit board 5 can receive the capacitance detected by the capacitive water level sensor 3 and can compare the capacitance detected by the capacitive water level sensor 3 with a preset capacitance threshold value.

When no water or a small amount of water exists in the boiler 2, air is filled in the mounting port 21, and the dielectric constant of the air is small, so that the capacitance between the medium in the boiler 2 and the electrode plate of the capacitor water level sensor 3 is large, and the capacitance is larger than the capacitance threshold value. That is, the water level in the boiler 2 is lower than the preset water level. At this time, the control circuit board 5 controls the water supply mechanism 4 to be turned on to supply water into the boiler 2.

As the water in the boiler 2 is continuously increased, the mounting port 21 is gradually filled with water. At this time, the capacitance between the medium in the boiler 2 and the electrode plate thereof detected by the capacitive water level sensor 3 is small, and the capacitance at this time is smaller than or equal to the capacitance threshold value. I.e. the water level inside the boiler 2 is illustrated to be higher than or equal to the preset water level. At this time, the control circuit board 5 controls the water supply mechanism 4 to be closed.

It should be noted that, the embodiment of the present invention does not limit the specific value of the capacitance threshold, and those skilled in the art can set the value according to actual situations.

Through the above description, the embodiment of the utility model provides a clothes nursing machine detects the water level of boiler 2 through installation capacitanc level sensor 3 in boiler 2. Specifically, the capacitive water level sensor 3 is installed at an installation port 21 of the boiler 2, and the presence or absence of water in the installation port 21 causes the capacitive water level sensor 3 to detect a change in capacitance. The capacitance type water level sensor 3 transmits the detected capacitance to the control circuit board 5, so that the control circuit board 5 controls the water supply mechanism 4 to be opened and closed according to the detected capacitance. When the capacitance detected by the capacitance type water level sensor 3 is larger than the capacitance threshold value, it indicates that air exists in the mounting port 21, the water level of the boiler 2 is lower than the preset water level, and the control circuit board 5 controls the water supply mechanism 4 to be opened to supply water to the boiler 2. When the capacitance detected by the capacitance type water level sensor 3 is smaller than or equal to the capacitance threshold value, it indicates that water is in the mounting port 21, the water level in the boiler 2 is higher than or equal to the preset water level, and the control circuit board 5 controls the water supply mechanism 4 to be closed. Because the utility model discloses clothing nursing machine utilizes capacitanc level sensor 3 to detect the capacitance between medium and the electrode slice in the boiler 2, and the dielectric constant of incrustation scale relative water is less, and is less to the capacitance influence of boiler 2 and electric capacity pole piece, can not cause the influence that causes the substantive to the water level testing result, makes the utility model discloses clothing nursing machine operating condition is more reliable and more stable.

In a particular implementation, the laundry care machine further comprises a connecting member 7 fixedly connected with the boiler 2, the connecting member 7 being provided with a receiving cavity 70 communicating with the mounting opening 21; the connecting piece 7 is fixedly connected with the capacitance type water level sensor 3. That is, the capacitive water level sensor 3 is fixed on the mounting opening 21 through the connecting member 7, and the connecting member 7 is provided with the accommodating cavity 70 communicated with the mounting opening 21, so that water in the boiler 2 can reach the accommodating cavity 70 through the mounting opening 21, thereby improving the detection accuracy of the capacitive water level sensor 3.

In this implementation, the capacitive water level sensor 3 is installed on the mounting port 21 of the boiler 2 through the connecting piece 7, which is beneficial to improving the reliability and stability of the installation of the capacitive water level sensor 3.

Wherein, the mode that capacitanc level sensor 3 installed on connecting piece 7 can have the multiple, for example, capacitanc level sensor 3 bonds on connecting piece 7, and for example again, connecting piece 7 is last to be provided with the mounting groove, and capacitanc level sensor 3 joint is in the mounting groove. Referring to fig. 4, the capacitive water level sensor 3 is fixed on the connecting member 7 by a screw 72, specifically, the capacitive water level sensor 3 is provided with a fixing hole, the connecting member 7 is provided with a threaded hole 71, and the screw 72 penetrates through the fixing hole to be in threaded connection with the threaded hole 71, so that the capacitive water level sensor 3 is fixed on the connecting member 7, and the connection mode is simple, stable and reliable. In addition, the connecting member 7 and the capacitive water level sensor 3 may be fixedly connected by a plurality of screws 72 to further improve the stability of the installation of the capacitive water level sensor 3.

The connecting way of the connecting piece 7 and the mounting opening 21 can be various, for example, the connecting piece 7 is welded on the mounting opening 21, and the connecting way is stable and reliable; for another example, the connecting piece 7 is adhered to the mounting opening 21, and the connecting mode is simple and convenient to operate.

In order to improve the stability of the connection piece 7 to the mounting opening 21, referring to fig. 4, a fixing ring 20 is provided on the outside of the boiler 2, and optionally, the outside of the boiler 2 protrudes outward to form the fixing ring 20, that is, the fixing ring 20 is an integral piece with the boiler 2. And, the fixing ring 20 communicates the mounting port 21 with the receiving cavity 70, so that the water in the boiler 2 can enter the receiving cavity 70 through the central passage of the mounting port 21 and the fixing ring 20. At this time, the fixing ring 20 is fixedly connected to the connecting member 7.

This embodiment has increased the area of being connected of connecting piece 7 and installing port 21 through set up solid fixed ring 20 and connecting piece 7 fixed connection in the outside of boiler 2 installing port 21 to improve the stability and the fastness of connecting piece 7 installation.

Of course, there are various ways of connecting the connecting member 7 and the fixing ring 20, for example, the connecting member 7 is adhered to the fixing ring 20, that is, an adhesive is provided between the inner sidewall of the connecting member 7 and the outer sidewall of the fixing ring 20, or an adhesive is provided between the outer sidewall of the connecting member 7 and the inner sidewall of the fixing ring 20, so that the connecting member 7 is adhered to the fixing ring 20, and the connecting way is simple and reliable.

For another example, the connecting member 7 is detachably connected to the fixing ring 20, so that the user can conveniently detach the connecting member 7 for replacement, repair, and the like.

Optionally, the connecting piece 7 is in threaded connection with the fixing ring 20, and the connecting mode is simple and reliable. The inner side wall of the connecting piece 7 is provided with an internal thread, and the outer side wall of the fixing ring 20 is provided with an external thread, so that the connecting piece 7 is in threaded connection with the fixing ring 20; or, the lateral wall of connecting piece 7 is provided with the external screw thread, and the inside wall of solid fixed ring 20 is provided with the internal thread, so realizes connecting piece 7 and solid fixed ring 20's threaded connection.

In an optional implementation mode, the connecting member 7 is a non-metal member, for example, high temperature resistant plastic, high temperature resistant rubber, etc., so that the capacitive water level sensor 3 is connected with the boiler 2 in an insulating manner, thereby improving the accuracy of detection of the capacitive water level sensor 3. And, connecting piece 7 adopts high temperature resistant non-metallic material to make, is favorable to improving connecting piece 7's life.

In some embodiments, the boiler 2 is provided with a water inlet 22 communicating with the water supply mechanism, and the water inlet 22 is located above the mounting opening 21, that is, the mounting opening 21 is located below the water inlet 22. Referring to fig. 4, alternatively, in order to improve convenience of connection of the connection member 7 and the capacitive water level sensor 3, a mounting port 21 and a water inlet port 22 are respectively located at both sides of the boiler 2. The present embodiment accurately detects the water level in the boiler 2 by disposing the mounting port 21 below the water inlet 22, that is, the mounting port 21 spans a predetermined water level line up and down by a certain distance.

Referring to fig. 4, in some examples, the mounting opening 21 is a circular opening, and the diameter of the circular opening is greater than or equal to 6mm, so that when the mounting opening 21 is too small, water is prevented from blocking the mounting opening 21 under the action of surface tension and cannot enter the accommodating cavity 70 of the connecting piece 7, and thus misjudgment is caused.

Referring to fig. 5, in other examples, the mounting opening 21 is provided with a flow stabilizer plate 27, and a plurality of through holes 271 are uniformly distributed on the flow stabilizer plate 27, wherein the flow stabilizer plate 27 can be welded on the side wall of the mounting opening 21, and the through holes 271 communicate the boiler 2 and the receiving cavity 70. The through hole 271 may be a hole of any shape, for example, a circular hole, a square hole, or the like. The embodiment of the utility model provides a do not restrict through-hole 271's size, shape and quantity. Optionally, the diameter of the through hole 271 is greater than or equal to 6mm, so that the mounting hole 21 is prevented from being blocked by water under the action of surface tension when the mounting hole 21 is too small, and the water cannot enter the accommodating cavity 70 of the connecting piece 7, thereby causing misjudgment.

The water flow in the boiler 2 is stabilized by the flow stabilizing plate 24, so that the detection accuracy is improved, and the water flow fluctuation or water splash in the accommodating cavity 70 caused by water inlet 22 water inflow, water boiling and the like is avoided, so that misjudgment is caused.

In a specific embodiment, with continued reference to fig. 4 and 5, the boiler 2 comprises an upper furnace body 24 and a lower furnace body 25, the upper furnace body 24 and the lower furnace body 25 are welded, so as to ensure the tightness of the boiler 2 and prevent water in the boiler 2 from boiling and overflowing to damage other components of the laundry care machine; and, the water inlet 22 sets up on lower furnace body 25, avoids the long-term submergence of the welded joint of upper furnace body 24 and lower furnace body 25 to influence the life of boiler 2 in aqueous.

With continued reference to fig. 2 and 3, in some embodiments, the water supply means 4 includes a water supply pipe 43, a water supply pump 42, and a clean water tank 41, a water inlet end of the water supply pump 42 is communicated with the clean water tank 41, and a water outlet end of the water supply pump 42 is communicated with the boiler 2 through the water supply pipe 43; the control circuit board 5 is electrically connected to the water supply pump 42, and the control circuit board 5 can control the water supply pump 42 to be turned on when the capacitance detected by the capacitive water level sensor 3 is greater than a capacitance threshold value.

The clean water tank 41 is used for storing clean water, and may be a water storage container having any shape, such as a cylinder, a rectangle, etc., and those skilled in the art can set the shape of the clean water tank 41 according to the actual installation space.

The water supply pump 42 may be an existing water pump for pumping the water in the clean water tank 41 into the boiler 2. The water supply pipe 43 may be an existing metal pipe, plastic pipe, or the like.

The water inlet end of the water supply pump 42 communicates with the fresh water tank 41, for example, the fresh water tank 41 is provided with an outlet, and the water inlet end of the water supply pump 42 communicates with the outlet on the fresh water tank 41 through a pipe. The water outlet end of the water supply pump 42 is communicated with the boiler 2, and specifically, both ends of the water supply pipe 43 are respectively communicated with the water inlet 22 provided on the side wall of the boiler 2 and the water outlet end of the water supply pump 42.

In this embodiment, the control circuit board 5 is electrically connected to the water supply pump 42, and the control circuit board 5 controls the operation state of the water supply pump 42 according to the capacitance detected by the capacitive water level sensor 3 and the capacitance threshold.

Specifically, when no water exists in the boiler 2 or the water level is reduced, air is filled in the accommodating cavity 70, the capacitance between the medium in the boiler 2 and the electrode plates of the medium is larger, which is detected by the capacitive water level sensor 3, and the control circuit board 5 determines that the capacitance detected by the capacitive water level sensor 3 is larger than the capacitance threshold value, then the control circuit board 5 controls the water supply pump 42 to be started, the water in the water purifying tank 41 is discharged into the boiler 2 through the water supply pipe 43 by the water supply pump 42, so that the water in the boiler 2 is ensured to be at the preset water level, and the stability of the working state of the clothes care machine is improved.

As the water in the boiler 2 is continuously increased, the water in the boiler 2 is introduced into the receiving cavity 70 through the mounting port 21. The capacitance between the medium in the boiler 2 and the electrode plates thereof detected by the capacitance type water level sensor 3 is small, and the control circuit board 5 determines that the capacitance detected by the capacitance type water level sensor 3 is smaller than or equal to the capacitance threshold value, and then the control circuit board 5 controls the water supply pump 42 to be closed.

The utility model discloses clothing nursing machine still includes electric heating pipe 26, and electric heating pipe 26 sets up in boiler 2 or electric heating pipe 26 sets up in the boiler 2 outside, and electric heating pipe 26 is used for heating the water production steam in the boiler 2.

Wherein, the electric heating pipe 26 can be an existing tubular electric heating element, and can be installed outside the bottom end of the boiler 2, at this time, the boiler 2 is a metal furnace body, and the electric heating pipe 26 transfers heat through the boiler 2 to further heat the water in the boiler 2, so as to generate water vapor. Alternatively, the electric heating pipe 26 is installed in the boiler 2, for example, the electric heating pipe 26 is hermetically installed in the boiler 2 through a mounting flange, a mounting seat, and the like, and at this time, the shop heat collecting pipe 26 directly heats water in the boiler 2 to generate steam.

The electric heating pipe 26 of the present embodiment is electrically connected to the control circuit board 5, and the control circuit board 5 is further configured to control heating of the electric heating pipe 26 when the capacitance of the capacitive water level sensor 3 is less than or equal to a resistance threshold value. That is, when the water in the boiler 2 is above the preset water level, the control circuit board 5 controls the electric heating tube 26 to be turned on to heat the water in the boiler 2 to generate water vapor, so as to steam the laundry.

With continuing reference to fig. 1 and 2, the clothes care machine of the present invention further includes a casing 11 and an inner container 12 located in the casing 11, the inner container 12 and the bottom of the casing 11 form an installation space 14, and a boiler 2, a control circuit board 5 and a water supply mechanism 4 are installed in the installation space 14; the boiler 2 is provided with a steam outlet 23, and a steam pipeline is arranged between the steam outlet 23 and the inner container 12.

Wherein, casing 11 and inner bag 12 are front side open-ended shell structure, and casing 11 is located the outside of inner bag 12 for protect inner bag 12, have the space that holds the clothing in the inner bag 12, and inner bag 12 is inboard waterproof. A door body 13 is arranged on the outer sides of the inner container 12 and the machine shell 11, the door body 13 can be opened or closed, and the door body 13 and the inner container 12 form a nursing space. A clothes hanging rod 121 is arranged on the top of the inner container 12 for hanging clothes 122. The top wall of the boiler 2 is provided with a steam outlet 23, and a steam pipeline is arranged between the steam outlet 23 and the inner container 12 so as to introduce the steam generated by the boiler 2 into the inner container 12 for nursing the clothes 122.

An installation space 14 is formed at the bottom of the cabinet 11 and the inner container 12 to provide installation positions for the boiler 2, the control circuit board 5 and the water supply mechanism 4, so that the structures can be protected on one hand, and the structures can be prevented from being exposed to influence the aesthetic property of the clothes care machine on the other hand.

In a possible embodiment, the laundry care machine further includes a waste water discharge mechanism 6 installed in the installation space 14 to discharge waste water in the inner tub 12 to the outside of the outer tub 12. Wherein, the waste water discharge mechanism 6 comprises a waste water pipe 61, a waste water pump 62 and a waste water tank 63; one end of the waste water pipe 61 is communicated with the waste water tank of the inner container 12, the other end of the waste water pipe 61 is communicated with the water inlet end of the waste water pump 62, and the water outlet end of the waste water pump 62 is communicated with the waste water tank 63.

Wherein, a waste water tank is arranged in the inner container 12 to lead the waste water to be gathered. One end and the wastewater disposal basin intercommunication of waste pipe 61, the other end of waste pipe 61 and the end intercommunication of intaking of waste water pump 62 to, the play water end and the wastewater tank 63 intercommunication of wastewater pump 62, so, waste water pump 62 pumps the waste water in the inner bag 12 and saves in the wastewater tank 63, avoids the excessive user experience degree that influences of waste water.

To sum up, the embodiment of the utility model provides a clothing nursing machine has following advantage at least:

1. the utility model discloses level in the clothing nursing machine adopts capacitive level sensor 3 monitoring boiler 2, no moving part, avoids leading to the condition that the water level detection became invalid because of the incrustation scale is produced to the motion fitting surface, improves the degree of accuracy that detects, is favorable to improving product life.

2. The utility model discloses the clothing nursing machine adopts the interior water level of capacitive level sensor 3 monitoring boiler 2, does not receive the water scale influence, can adopt the running water and need not the restriction and use the pure water, is favorable to reducing user use cost, extends the suitability of clothing nursing machine.

3. The capacitance type water level sensor 3 of the utility model is arranged on the mounting port 21 through the connecting piece 7, which is convenient to detach and replace and convenient to maintain; the device is few, and the manufacturing difficulty is low, and is with low costs.

In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (14)

1. A laundry care machine, comprising: the device comprises a capacitance type water level sensor, a boiler, a water supply mechanism and a control circuit board;

the boiler is communicated with a water outlet of the water supply mechanism, and is provided with a mounting hole;

the capacitive water level sensor is arranged on the mounting opening and is electrically connected with the control circuit board;

the control circuit board is configured to control the opening and closing of the water supply mechanism according to the received capacitance of the capacitance type water level sensor and the capacitance threshold value.

2. A laundry care machine as claimed in claim 1, further comprising a connector fixedly connected with said boiler, said connector being provided with a receiving cavity communicating with said mounting opening; the connecting piece is fixedly connected with the capacitance type water level sensor.

3. A laundry care machine as claimed in claim 2, characterized in that the boiler is provided, on its outside, with a fixing ring communicating between said mounting opening and said housing cavity; the fixing ring is fixedly connected with the connecting piece.

4. A laundry care machine as claimed in claim 3, characterized in that the connecting member is adhesively bonded to the fixing ring or is detachably connected to the fixing ring.

5. A laundry care machine as claimed in claim 3, characterized in that the connecting piece is screwed to the fixing ring.

6. A laundry care machine as claimed in claim 2, characterized in that the connection member is fixedly connected with the capacitive water level sensor by means of screws.

7. A laundry care machine as claimed in any one of claims 2 to 6, characterized in that the connection is a non-metallic connection.

8. A laundry care machine as claimed in any one of claims 1 to 6, characterized in that the mounting opening is a circular opening and the diameter of the circular opening is greater than or equal to 6 mm;

or the mounting opening is provided with a flow stabilizing plate, a plurality of through holes are uniformly distributed on the flow stabilizing plate, and the diameter of each through hole is larger than or equal to 6 mm.

9. A laundry care machine as claimed in any one of claims 1 to 6, characterized in that the boiler is provided with a water inlet communicating with the water supply means, the water inlet being located above the mounting opening.

10. A garment care machine as claimed in claim 9, wherein the boiler comprises an upper body and a lower body, the upper and lower bodies being welded, the water inlet being provided on the lower body.

11. A laundry care machine according to any of claims 1-6, characterized in that said water supply means comprises a water supply pipe, a water supply pump and a clean water tank, the water inlet end of said water supply pump being in communication with said clean water tank, the water outlet end of said water supply pump being in communication with said boiler via said water supply pipe;

the control circuit board is electrically connected with the water supply pump, and the control circuit board can control the water supply pump to be turned on when the capacitance detected by the capacitance type water level sensor is greater than the capacitance threshold value.

12. A garment care machine as claimed in any one of claims 1 to 6, further comprising an electrically heated tube disposed within or outside the boiler for heating water within the boiler to generate steam;

the control circuit board is also electrically connected with the electric heating pipe, and the control circuit board is further configured to control heating of the electric heating pipe when the capacitance of the capacitive water level sensor is less than or equal to the capacitance threshold value.

13. A laundry care machine according to any one of claims 1-6, further comprising a cabinet and a liner located within the cabinet, the liner and a bottom of the cabinet forming an installation space, the boiler, the control circuit board and the water supply mechanism being installed within the installation space;

the boiler is provided with a steam outlet, and a steam pipeline is arranged between the steam outlet and the inner container.

14. A laundry care machine according to claim 13, further comprising a waste water drain mechanism mounted within the mounting space, the waste water drain mechanism including a waste pipe, a waste water pump, and a waste water tank;

one end of the waste water pipe is communicated with the waste water tank of the inner container, the other end of the waste water pipe is communicated with the water inlet end of the waste water pump, and the water outlet end of the waste water pump is communicated with the waste water tank.

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