Detergent detection device and washing equipment

Abstract

The utility model belongs to the technical field of washing equipment, and discloses a detergent detection device and washing equipment, a probe mounting box of the detergent detection device is used for being arranged on a liquid extraction pipeline, and the probe mounting box is provided with a detection cavity communicated with an inner cavity of the liquid extraction pipeline and an air cavity communicated with the detection cavity; the air cavity is located above the inner cavity of the liquid extraction pipeline and the detection cavity, and the cavity wall of the air cavity is used for preventing external air from entering and exiting the air cavity, so that the detergent cannot enter the air cavity above when passing through the liquid extraction pipeline and the detection cavity; the probes are made of conductive materials, the number of the probes is two, the two probes are arranged in a spaced mode and installed on the cavity wall of the air cavity at the same time, the two probes penetrate through the air cavity and stretch into the detection cavity, and whether detergent exists or not can be judged through on-off of a circuit. A passage cannot be formed between the two probes due to attachment of the detergent, so that the accuracy of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to washing equipment technical field especially relates to washing agent detection device and washing equipment. BACKGROUND

[0002] With the increasing requirement of user to the intelligence of household appliance, the washing machine and dish washer containing automatic feeding device enter the market more and more.

[0003] In order to detect the washing agent residual quantity in the washing agent storage box, the float containing magnetic body is usually arranged in the storage box in the washing equipment such as washing machine or dish washer with automatic feeding device, the float and the magnetic induction element switch outside the box are inductive, so as to detect the liquid level of washing agent, the magnetic induction element is connected with controller and warning equipment, and the user can be reminded to add washing agent when the washing agent residual quantity is less. But this detection method is high in cost and complex in structure, and because the washing agent generally has certain density and viscosity, the float is prone to not floating, which leads to false alarm and affects user experience.

[0004] For this, the previous patent with the application number CN201610046140.1 provides a kind of washing agent automatic feeding device, two probes are arranged in the liquid outlet pipe connected with storage box in the washing agent automatic feeding device, when washing agent liquid passes through liquid outlet pipe, the circuit of conduction is formed between two probes, so that the presence or absence of washing agent can be judged by the on-off of circuit, and it is simple in structure and low in cost. But it still has the problem that the viscosity of washing agent is large, and it is easy to adhere to the surface of probe and the wall of liquid outlet pipe, so that when there is no liquid passing through liquid outlet pipe, the residual washing agent on the surface of probe and the wall still forms a path between two probes, leading to detection error. UTILITY MODEL CONTENTS

[0005] According to one aspect of the utility model, the utility model provides washing agent detection device to solve the problem that in the washing agent automatic feeding device of prior art, when there is no liquid passing through liquid outlet pipe, the residual washing agent on the surface of probe and the wall still forms a path between two probes, leading to detection error.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Washing agent detection device is used to be arranged in washing agent automatic feeding device, and the washing agent automatic feeding device includes storage box, liquid suction pipeline and extraction device connected in sequence, the storage box has storage liquid chamber for storing washing agent, and the extraction device is used to suck washing agent in the storage liquid chamber through the liquid suction pipeline;

[0008] Its characterized in that, the washing agent detection device includes:

[0009] A probe mounting box is arranged in the liquid suction pipeline, the probe mounting box has a detection cavity in communication with the inner cavity of the liquid suction pipeline and an air cavity in communication with the detection cavity, the air cavity is located above the inner cavity of the liquid suction pipeline and the detection cavity, and a cavity wall of the air cavity is used for blocking the external air from entering or leaving the air cavity.

[0010] The probes are made of conductive material, two probes are arranged and mounted on the cavity wall of the air cavity, and the two probes pass through the air cavity and extend into the detection cavity.

[0011] As a preferred scheme of the detergent detection device, the air cavity has a top wall and a side wall connected with the top wall, the two probes extend in the vertical direction and are mounted on the top wall.

[0012] As a preferred scheme of the detergent detection device, the probe mounting box comprises a body connected with the liquid suction pipeline and a top cover connected with the body, the body has an opening, and the top cover is used for closing the opening.

[0013] As a preferred scheme of the detergent detection device, one of the body and the top cover is provided with a buckle, and the other is provided with a clamping groove, and the buckle is clamped in the clamping groove.

[0014] As a preferred scheme of the detergent detection device, a sealing ring is arranged between the body and the top cover.

[0015] As a preferred scheme of the detergent detection device, at least one probe is projected on the inner cavity of the liquid suction pipeline along part of the center line of the liquid suction pipeline.

[0016] According to another aspect of the present application, a washing device is provided, which comprises a detergent automatic feeding device and the above-mentioned detergent detection device, the detergent detection device is arranged in the detergent automatic feeding device, the detergent automatic feeding device comprises a liquid storage box, a liquid suction pipeline and a suction device connected in sequence, the liquid storage box has a liquid storage cavity for storing detergent, and the suction device is used for sucking the detergent in the liquid storage cavity through the liquid suction pipeline.

[0017] As a preferred scheme of the washing device, the liquid suction pipeline, the suction device and the detergent detection device are provided with two, the two liquid suction pipelines, the suction devices and the detergent detection devices are arranged one by one, and the probe mounting boxes of the two detergent detection devices are respectively arranged in the two liquid suction pipelines.

[0018] As the preferred washing equipment, the automatic detergent dispenser further comprises a mounting base and an output pipeline, the extraction device is arranged on the mounting base, the input end of the extraction device is connected with the liquid extraction pipeline, the output end of the extraction device is connected with the output pipeline, and the liquid extraction pipeline and the output pipeline are arranged on the same side of the mounting base.

[0019] As the preferred washing equipment, the two extraction devices are arranged at intervals in the vertical direction, and the input end of one of the extraction devices is located on the left side of the output end, and the input end of the other extraction device is located on the right side of the output end.

[0020] The beneficial effects of the present application are as follows:

[0021] The detergent detection device is used for being arranged on the automatic detergent dispenser, the probe mounting box is used for being arranged on the liquid extraction pipeline, the probe mounting box has a detection cavity in communication with the inner cavity of the liquid extraction pipeline and an air cavity in communication with the detection cavity, the air cavity is located above the inner cavity of the liquid extraction pipeline and the detection cavity, the cavity wall of the air cavity is used for blocking the entry and exit of external air into the air cavity to form a seal and block external air, so that when the detergent passes through the liquid extraction pipeline and the detection cavity, the detergent will not enter the air cavity above under the action of air pressure. The probe is made of conductive material, the probe is provided with two probes, the two probes are arranged at intervals and are simultaneously installed on the cavity wall of the air cavity, the two probes pass through the air cavity and extend into the detection cavity, so that when the detergent passes through the detection cavity, the two probes form a circuit path with the detergent, and the presence or absence of the detergent can be judged by the on-off of the circuit. In addition, when there is no detergent passing through the detection cavity, the cavity wall of the air cavity will not be attached with the detergent because the air cavity is filled with air, and the two probes are both installed on the cavity wall of the air cavity, so that the two probes will not form a path due to the attachment of the detergent, thereby ensuring the accuracy of the detection result.

[0022] The present application also provides a washing equipment comprising an automatic detergent dispenser and the above-mentioned detergent detection device, which has a simple structure and high accuracy of detection result, thereby reducing the probability of false alarm of the washing equipment. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structure diagram of the detergent detection device and the automatic detergent dispenser in the first embodiment of the present application Figure 1 ;

[0024] Figure 2 is a structure diagram of the detergent detection device and the automatic detergent dispenser in the first embodiment of the present application Figure 2 ;

[0025] Figure 3 is a sectional view of the detergent detection device and the automatic detergent feeding device in the embodiment one of the utility model;

[0026] Figure 4 is Figure 3 the enlarged view of A in the embodiment one of the utility model;

[0027] Figure 5 is the structure schematic view of the detergent detection device and the automatic detergent feeding device in the embodiment two of the utility model Figure 1 ;

[0028] Figure 6 is the structure schematic view of the detergent detection device and the automatic detergent feeding device in the embodiment two of the utility model Figure 2 .

[0029] In the drawing:

[0030] 100, liquid suction pipeline, 200, extraction device, 300, mounting base, 301, base, 302, upper cover, 400, output pipeline, 500, motor,

[0031] 1, probe mounting box, 11, detection cavity, 12, air cavity, 121, top wall, 122, side wall, 13, body, 14, top cover, 151, buckle, 152, clamping groove, 16, sealing ring,

[0032] 2, probe,

[0033] 3, wire. DETAILED DESCRIPTION

[0034] The utility model will be further explained in detail in combination with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawing, not all structures.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through the intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "upper surface of" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "lower surface of" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0037] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0038] Embodiment one

[0039] At present, the washing equipment such as washing machine or dish washer with automatic dispensing device, generally, a float containing magnetic body is arranged in the liquid storage box to detect the liquid level of detergent, but the detection mode is high in cost and complex in structure. For this, the prior art provides a kind of detergent automatic dispensing device, two probes are arranged in the liquid outlet pipe connected with the liquid storage box, when the detergent liquid passes through the liquid outlet pipe, the circuit is formed between the two probes, so that the presence or absence of detergent can be judged by the on-off of the circuit, and the structure is simple and the cost is low. However, the problem still exists that the viscosity of the detergent is large, which is easy to adhere to the wall of the liquid outlet pipe and the surface of the probe, so that when the liquid outlet pipe does not pass through the liquid, the two probes still form a path through the residual detergent on the wall and the surface of the probe, resulting in incorrect detection results.

[0040] In view of the above problems, the present embodiment provides a detergent detection device to solve the problem that in the prior art detergent automatic dispensing device, when the liquid outlet pipe does not pass through the liquid, the two probes still form a path through the residual detergent on the wall and the surface of the probe, resulting in incorrect detection results, which can be used in the field of washing equipment technology.

[0041] Reference Figures 1-4The detergent detection device is arranged in the detergent automatic feeding device, and the detergent automatic feeding device comprises a liquid storage box, a liquid pumping pipeline 100 and a pumping device 200 connected in sequence. The liquid storage box has a liquid storage cavity for storing the detergent. The pumping device 200 is used for pumping the detergent in the liquid storage cavity through the liquid pumping pipeline 100 and can deliver the detergent to a chamber where the objects to be washed are located, so as to mix with the objects to be washed. In the embodiment, the pumping device 200 is a peristaltic pump, which can improve the precision of detergent feeding, has good sealing performance and good self-suction capacity.

[0042] With reference to the above Figures 1-4 The detergent detection device comprises a probe mounting box 1 and probes 2. The probe mounting box 1 is arranged in the liquid pumping pipeline 100. The probe mounting box 1 has a detection cavity 11 communicating with the inner cavity of the liquid pumping pipeline 100 and an air cavity 12 communicating with the detection cavity 11. The air cavity 12 is located above the inner cavity of the liquid pumping pipeline 100 and the detection cavity 11. The cavity wall of the air cavity 12 is used to block the external air from entering and leaving the air cavity 12, so that the air cavity 12 only communicates with the detection cavity 11 and the inner cavity of the liquid pumping pipeline 100 to form a seal and block the external air, so that when the detergent passes through the liquid pumping pipeline 100 and the detection cavity 11, the detergent will not enter the air cavity 12 above under the action of air pressure. The probes 2 are made of conductive material. Two probes 2 are arranged and simultaneously mounted on the cavity wall of the air cavity 12. The two probes 2 both pass through the air cavity 12 and extend into the detection cavity 11, so that when the detergent passes through the detection cavity 12, the two probes 2 form a circuit path with the detergent, and the presence or absence of the detergent can be determined by the on-off of the circuit. In addition, when there is no detergent passing through the detection cavity 12, the cavity wall of the air cavity 12 will not be attached with the detergent because the air cavity 12 is filled with air, and the two probes 2 are both mounted on the cavity wall of the air cavity 12, so that the two probes 2 will not form a path due to the attachment of the detergent, thereby ensuring the accuracy of the detection result.

[0043] Optionally, the two probes 2 are electrically connected with two wires 3 respectively, and the insulating layer of the wires 3 is mounted on the probe mounting box 1. The two wires 3 are both connected with a controller, and the controller is connected with an alarm device, so that the controller can receive the on-off signal of the circuit between the two probes 2 and determine whether the user needs to add detergent. Specifically, when the circuit path is formed between the two probes 2, it indicates that the detection cavity 11 has detergent passing through, and at this time, there is no need to add detergent. When the circuit is broken between the two probes 2, it indicates that the detection cavity 11 has no detergent passing through, which may be caused by the small amount of detergent in the liquid storage box, and the user needs to be reminded to add detergent or replace the liquid storage box. At this time, the controller sends a signal to the alarm device, and the alarm device sends an alarm information after receiving the signal, which can be sound, light and the like.

[0044] With reference to the above Figures 1-4The air cavity 12 has a top wall 121 and a side wall 122 connected with the top wall 121, and the two probes 2 extend in the vertical direction and are simultaneously mounted on the top wall 121, so that the mounting ends of the two probes 2 are as far away from the detection cavity 11 as possible, thereby avoiding the probes 2 from being stuck with the washing liquid during use.

[0045] With reference to the foregoing Figures 1-4 The probe mounting box 1 comprises a body 13 connected with the liquid suction pipeline 100 and a top cover 14 connected with the body 13. The body 13 has an opening, and the top cover 14 is used for closing the opening, so that the inner wall of the top cover 14 is the top wall 121 of the air cavity 12, and the inner wall of the body 13 is the side wall 122 of the air cavity 12 and part of the cavity wall of the detection cavity 11. In this way, the probes 2 can be directly arranged on the top cover 14, and the mounting of the probes 2 can be completed simultaneously with the mounting of the top cover 14, thereby simplifying the assembly process of the probe mounting box 1 and the probes.

[0046] With reference to the foregoing Figures 1-4 One of the body 13 and the top cover 14 is provided with a clasp 151, and the other is provided with a clamping groove 152. The clasp 151 is clamped in the clamping groove 152, so that the body 13 and the top cover 14 are connected through clamping, which is simple in structure and easy to assemble. In the embodiment, the clasp 151 is arranged on the body 13, and the clamping groove 152 is arranged on the top cover 14. Alternatively, a plurality of clamps 151 and a plurality of clamping grooves 152 are arranged, and the plurality of clamps 151 and the plurality of clamping grooves 152 are clamped and matched one by one.

[0047] With reference to the foregoing Figures 1-4 A sealing ring 16 is arranged between the body 13 and the top cover 14 to improve the sealing performance between the body 13 and the top cover 14, thereby preventing external air from entering or exiting the air cavity 12.

[0048] With reference to the foregoing Figures 1-4 The projection of at least one probe 2 along the center line of the liquid suction pipeline 100 is located within the inner cavity range of the liquid suction pipeline 100, so that the washing liquid can be brought into contact with the probes 2 as soon as possible when the washing liquid passes through the liquid suction pipeline 100, and a passage is quickly formed between the two probes 2.

[0049] The embodiment also provides a washing device, which can be a washing machine or a dishwasher. The washing device comprises a washing agent automatic feeding device and the washing agent detection device described above. The washing agent detection device is arranged on the washing agent automatic feeding device. The washing agent automatic feeding device comprises a liquid storage box, the liquid suction pipeline 100 and the liquid suction device 200 connected in sequence. The liquid storage box has a liquid storage cavity for storing the washing agent. The liquid suction device 200 is used for sucking the washing agent in the liquid storage cavity through the liquid suction pipeline 100. The washing agent detection device is simple in structure and high in detection accuracy, thereby reducing the probability of false alarm of the washing device.

[0050] Embodiment two

[0051] The embodiment provides another washing equipment, which is based on the washing equipment in embodiment one and further has the following structure.

[0052] With reference to Figures 5-6 , two liquid suction pipelines 100, two extraction devices 200 and two detergent detection devices are arranged, the two liquid suction pipelines 100, the two extraction devices 200 and the two detergent detection devices are arranged one by one in a one-to-one correspondence, and the probe mounting boxes 1 of the two detergent detection devices are respectively mounted on the two liquid suction pipelines 100, so that the liquid storage box of the washing equipment has two liquid outlet pipelines at the same time, to adapt to the use requirements of users in different scenes.

[0053] With reference to Figures 5-6 , the automatic detergent feeding device further comprises a mounting base 300 and an output pipeline 400, the extraction device 200 is arranged on the mounting base 300, the input end of the extraction device 200 is connected with the liquid suction pipeline 100, and the output end of the extraction device 200 is connected with the output pipeline 400, wherein the extraction device 200 is a peristaltic pump, the input end and the output end of the peristaltic pump can be arranged on the same side, at the same time, the liquid suction pipeline 100 and the output pipeline 400 are arranged on the same side of the mounting base 300, so that the space occupation of the automatic detergent feeding device can be reduced, and the pipeline connection in the washing equipment is facilitated.

[0054] With reference to Figures 5-6 , the two extraction devices 200 are arranged in a vertical direction and are spaced apart, the input end of one of the extraction devices 200 is located on the left side of the output end, and the input end of the other extraction device 200 is located on the right side of the output end, so that the input ends and the output ends of the two extraction devices 200 are arranged in a staggered manner, at the same time, the two groups of liquid suction pipelines 100 and the output pipelines 400 are distributed in a staggered manner, one of the liquid suction pipelines 100 is located on the left side, and the other liquid suction pipeline 100 is located on the right side, so as to facilitate the arrangement of the two groups of probes 2.

[0055] Obviously, the above embodiment of the utility model is only an example for clearly illustrating the utility model, and is not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, it is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model claim.

Claims

1. A detergent detection device for use in an automatic detergent dispensing device, the automatic detergent dispensing device comprising a storage box, a suction pipe (100) and a suction device (200) connected in sequence, the storage box having a storage chamber for storing detergent, and the suction device (200) for suctioning detergent from the storage chamber through the suction pipe (100); Its features are, The detergent detection device includes: A probe mounting box (1) is used to be installed in the liquid extraction pipeline (100). The probe mounting box (1) has a detection chamber (11) communicating with the inner cavity of the liquid extraction pipeline (100) and an air chamber (12) communicating with the detection chamber (11). The air chamber (12) is located above the inner cavity of the liquid extraction pipeline (100) and the detection chamber (11). The cavity wall of the air chamber (12) is used to block external air from entering or leaving the air chamber (12). The probe (2) is made of conductive material. There are two probes (2). The two probes (2) are spaced apart and installed on the cavity wall of the air cavity (12). Both probes (2) pass through the air cavity (12) and extend into the detection cavity (11).

2. The detergent detection device according to claim 1, characterized in that, The air cavity (12) has a top wall (121) and a side wall (122) connected to the top wall (121). Both probes (2) extend vertically and are simultaneously mounted on the top wall (121).

3. The detergent detection device according to claim 1, characterized in that, The probe mounting box (1) includes a body (13) connected to the liquid extraction line (100) and a top cover (14) connected to the body (13). The body (13) has an opening, and the top cover (14) is used to close the opening.

4. The detergent detection device according to claim 3, characterized in that, One of the main body (13) and the top cover (14) is provided with a buckle (151), and the other is provided with a slot (152). The buckle (151) is engaged with the slot (152).

5. The detergent detection device according to claim 3, characterized in that, A sealing ring (16) is provided between the body (13) and the top cover (14).

6. The detergent detection device according to claim 1, characterized in that, At least one of the probes (2) has a partial projection along the centerline of the suction line (100) within the inner cavity of the suction line (100).

7. A washing device, characterized in that, The device includes an automatic detergent dispensing device and a detergent detection device as described in any one of claims 1-6. The detergent detection device is configured to be installed in the automatic detergent dispensing device. The automatic detergent dispensing device includes a storage box, a liquid extraction pipe (100), and an extraction device (200) connected in sequence. The storage box has a storage cavity for storing detergent, and the extraction device (200) is used to draw detergent from the storage cavity through the liquid extraction pipe (100).

8. The washing equipment according to claim 7, characterized in that, Two liquid extraction pipelines (100), two extraction devices (200), and two detergent detection devices are provided. The two liquid extraction pipelines (100), two extraction devices (200), and two detergent detection devices are provided in a one-to-one correspondence. The probe mounting boxes (1) of the two detergent detection devices are respectively installed on the two liquid extraction pipelines (100).

9. The washing equipment according to claim 8, characterized in that, The automatic detergent dispensing device further includes a mounting base (300) and an output pipeline (400). The extraction device (200) is disposed on the mounting base (300). The input end of the extraction device (200) is connected to the liquid extraction pipeline (100), and the output end of the extraction device (200) is connected to the output pipeline (400). The liquid extraction pipeline (100) and the output pipeline (400) are disposed on the same side of the mounting base (300).

10. The washing equipment according to claim 9, characterized in that, The two extraction devices (200) are arranged vertically at intervals, with the input end of one extraction device (200) located to the left of the output end and the input end of the other extraction device (200) located to the right of the output end.

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