Cleaning solution detection device

Abstract

The utility model relates to a cleaning solution detection device. The cleaning solution detection device comprises a conductive channel, a connecting line and a detection assembly, the first end of the conductive channel is communicated with the cleaning liquid supply assembly, the second end of the conductive channel is communicated with the cleaning liquid outlet, the conductive channel further comprises a conductive connecting end located between the first end and the second end in the direction of the conductive channel, the conductive connecting end is connected with the first end of the connecting line, and the second end of the connecting line is electrically connected with the detection assembly; the cleaning solution detection device further comprises a conducting strip, the conducting strip surrounds the conductive connecting end of the conductive channel, and the first end of the connecting line is welded to the conducting strip. According to the technical scheme, the conductive sheet surrounds the conductive connecting end, and the connecting line and the conductive sheet are welded, so that reliable contact conduction of the conductive channel and the connecting line is ensured, and change of connection contact impedance of the conductive channel and the connecting line is reduced; and the connection reliability of the connecting line and the conductive channel and the stability of detecting whether the cleaning solution exists are improved.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of cleaning equipment, in particular to a cleaning liquid detection device. BACKGROUND

[0002] In the process of daily cleaning by using cleaning tools such as floor cleaning machines and cleaning robots, cleaning liquid is usually needed to achieve better cleaning effect, so it is necessary to detect whether there is cleaning liquid, so that the user can add cleaning liquid to the cleaning equipment in time when there is no cleaning liquid in the cleaning equipment.

[0003] The existing devices for detecting whether there is cleaning liquid generally include capacitive cleaning liquid detection sensors, detection devices combined with Hall switches and magnets, and conductive silica gel detection devices, etc. Among them, the capacitive cleaning liquid detection sensor has high false triggering rate and high cost, the detection device combined with Hall switches and magnets has many components and complicated installation, and has high cost. The conductive silica gel detection device has few components and low cost, but the wire connection mode is a pole buckle type connection, the contact impedance of this connection mode changes greatly, the connection reliability is low, and it may cause the risk of unstable detection. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a cleaning liquid detection device, by arranging the conductive sheet around the conductive connection end, welding the connecting wire and the conductive sheet, ensuring the reliable contact conduction of the conductive channel and the connecting wire, reducing the change of the connecting contact impedance of the conductive channel and the connecting wire, and improving the connection reliability of the connecting wire and the conductive channel and the stability of detecting whether there is cleaning liquid.

[0005] In a first aspect, the embodiments of the present disclosure provide a cleaning liquid detection device, comprising:

[0006] a conductive channel, a connecting wire and a detection component;

[0007] The first end of the conductive channel is in communication with a cleaning liquid supply component, the second end of the conductive channel is in communication with a cleaning liquid outlet, the conductive channel further comprises a conductive connection end between the first end and the second end in the direction of the conductive channel, the conductive connection end is connected with the first end of the connecting wire, and the second end of the connecting wire is electrically connected with the detection component; the conductive channel is used for transmitting the cleaning liquid flowing out of the cleaning liquid supply component to the cleaning liquid outlet, and the detection component is used for detecting the electrical signal of the conductive connection end of the conductive channel.

[0008] Further comprising: a conductive sheet, the conductive sheet surrounds the conductive connection end of the conductive channel, the first end of the connecting wire is electrically connected with the conductive sheet, and the first end of the connecting wire and the conductive sheet are welded.

[0009] Optionally, the conductive piece is crimped with the conductive connection end of the conductive channel, and the first end of the connecting wire is welded with the conductive piece.

[0010] Optionally, the conductive channel comprises a first conductive channel and a second conductive channel.

[0011] The first end of the first conductive channel is in communication with the cleaning liquid supply assembly, the second end of the first conductive channel and the first end of the second conductive channel are in insulated communication, and the second end of the second conductive channel is in communication with the cleaning liquid outlet.

[0012] The conductive connection end of the first conductive channel is electrically connected with the power end through the connecting wire, and the conductive connection end of the second conductive channel is electrically connected with the ground end through the connecting wire.

[0013] Optionally, the conductive channel further comprises an insulating channel, and the first conductive channel is in communication with the second conductive channel through the insulating channel; wherein the first end of the insulating channel is in communication with the second end of the first conductive channel, and the second end of the insulating channel is in communication with the first end of the second conductive channel.

[0014] Optionally, the detection assembly comprises a voltage division module and a comparison module.

[0015] The voltage division module and the conductive connection end of the conductive channel are connected in series, the connection point of the voltage division module and the conductive connection end of the conductive channel is electrically connected with the input end of the comparison module, and the output end of the comparison module outputs a level comparison signal.

[0016] Optionally, the voltage division module is connected in series between the power end and the conductive connection end of the conductive channel; or the voltage division module is connected in series between the ground end and the conductive connection end of the conductive channel.

[0017] Optionally, the voltage division module comprises a first resistor, the first end of the first resistor is electrically connected with the power end, and the second end of the first resistor is electrically connected with the conductive connection end of the conductive channel.

[0018] Alternatively, the first end of the first resistor is electrically connected with the ground end, and the second end of the first resistor is electrically connected with the conductive connection end of the conductive channel.

[0019] Optionally, the connection point of the voltage division module and the conductive connection end of the conductive channel is electrically connected with the non-inverting input end of the comparison module, the inverting input end of the comparison module is connected with a reference voltage, and the output end of the comparison module outputs a level comparison signal.

[0020] Optionally, the connection point of the voltage division module and the conductive connection end of the conductive channel is electrically connected with the non-inverting input end of the comparison module, the inverting input end of the comparison module is connected with a reference voltage, and the output end of the comparison module outputs a level comparison signal.

[0021] Optionally, the comparison module comprises a comparator and a second resistor, the inverting input end of the comparator is used as the inverting input end of the comparison module, the non-inverting input end of the comparator is used as the non-inverting input end of the comparison module, the output end of the comparator is used as the output end of the comparison module, the first end of the second resistor is electrically connected with the output end of the comparator, and the second end of the second resistor is electrically connected with a power supply end.

[0022] Compared with the prior art, the technical solution provided by the present disclosure has the following advantages:

[0023] The cleaning liquid detection device provided by the present disclosure comprises a conductive channel, a connecting line and a detection assembly. The first end of the conductive channel is in communication with a cleaning liquid supply assembly, the second end of the conductive channel is in communication with a cleaning liquid outlet, the conductive channel further comprises a conductive connection end between the first end and the second end in the direction of the conductive channel, the conductive connection end is connected with the first end of the connecting line, and the second end of the connecting line is electrically connected with the detection assembly. The conductive channel is used for transmitting the cleaning liquid flowing out of the cleaning liquid supply assembly to the cleaning liquid outlet, and the detection assembly is used for detecting the electrical signal of the conductive connection end of the conductive channel. The present disclosure further comprises a conductive sheet, which surrounds the conductive connection end of the conductive channel, and the first end of the connecting line is welded with the conductive sheet. In this way, the first end of the connecting line is welded with the conductive sheet by surrounding the conductive connection end of the conductive channel with the conductive sheet. While the detection assembly can detect the electrical signal of the conductive connection end of the conductive channel, the welding of the connecting line and the conductive sheet also ensures that the conductive channel and the connecting line are in reliable contact and conduction, reduces the change of the connection contact impedance of the conductive channel and the connecting line, avoids the problem of low connection reliability caused by the buckle type connection mode, and improves the connection reliability of the connecting line and the conductive channel and the stability of detecting the presence or absence of the cleaning liquid. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present disclosure and, together with the specification, serve to explain the principles of the present disclosure.

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0026] Figure 1A structural schematic diagram of a cleaning liquid detection device provided by an embodiment of the present disclosure;

[0027] Figure 2 A schematic diagram of a conductive connection end of a conductive sheet and a conductive channel before connection provided by an embodiment of the present disclosure;

[0028] Figure 3 A connection schematic diagram of a connecting line and a conductive sheet provided by an embodiment of the present disclosure;

[0029] Figure 4 A structural schematic diagram of another cleaning liquid detection device provided by an embodiment of the present disclosure;

[0030] Figure 5 A structural schematic diagram of another cleaning liquid detection device provided by an embodiment of the present disclosure;

[0031] Figure 6 A structural schematic diagram of another cleaning liquid detection device provided by an embodiment of the present disclosure;

[0032] Figure 7 A structural schematic diagram of another cleaning liquid detection device provided by an embodiment of the present disclosure.

[0033] Corresponding relationship between the reference signs and the structure names: 1, conductive channel; 2, connecting line; 3, detection assembly; 4, conductive sheet; 5, cleaning liquid supply assembly; 51, cleaning liquid container; 52, suction pump; 10, conductive connection end; 11, first conductive channel; 12, second conductive channel; 13, insulating channel; 31, voltage division module; 32, comparison module; 321, comparator; R1, first resistor; R2, second resistor; R3, load resistor; VDD, power supply end; VREF, reference voltage; GND, ground end. DETAILED DESCRIPTION

[0034] In order to more clearly understand the above-mentioned purposes, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0035] In the following description, many specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, not all the embodiments.

[0036] Figure 1 A structural schematic diagram of a cleaning liquid detection device provided by an embodiment of the present disclosure, Figure 2 A schematic diagram of a conductive connection end of a conductive sheet and a conductive channel before connection provided by an embodiment of the present disclosure, Figure 3A connection diagram of a connection line and a conductive sheet is provided for the embodiments of the present disclosure. In combination with Figures 1 to 3 The cleaning liquid detection device comprises a conductive channel 1, a connection line 2 and a detection assembly 3. The first end of the conductive channel 1 is in communication with a cleaning liquid supply assembly 5, and the second end of the conductive channel 1 is in communication with a cleaning liquid outlet. The conductive channel 1 further comprises a conductive connection end 10 between the first end and the second end in the direction of the conductive channel 1. The conductive connection end 10 is connected to the first end of the connection line 2, and the second end of the connection line 2 is electrically connected to the detection assembly 3. The conductive channel 1 is used to transmit the cleaning liquid flowing out of the cleaning liquid supply assembly to the cleaning liquid outlet, and the detection assembly 3 is used to detect the electrical signal of the conductive connection end 10 of the conductive channel 1. The cleaning liquid detection device further comprises a conductive sheet 4 surrounding the conductive connection end 10 of the conductive channel 1, and the first end of the connection line 2 is welded to the conductive sheet 4.

[0037] Figure 1 As shown in the figure, the cleaning liquid supply assembly 5 may, for example, comprise a cleaning liquid container 51 and a suction pump 52. The cleaning liquid container 51 is used to contain cleaning liquid, and the suction pump 52 is used to suck cleaning liquid. Figure 1 As shown in the figure, the area with a filling pattern in the cleaning liquid container 51 may, for example, be used to represent cleaning liquid. The cleaning liquid can be used on cleaning equipment such as robots, cleaning base stations and handheld cleaning devices, so that the cleaning equipment can clean locations such as the ground and walls.

[0038] The first end of the conductive channel 1 is in communication with the cleaning liquid supply assembly 5, and the second end of the conductive channel 1 is in communication with a cleaning liquid outlet (not shown in the figure). The cleaning liquid outlet may, for example, be the outlet of a cleaning liquid spray hose, from which the cleaning liquid is sprayed. The conductive channel 1 further comprises a conductive connection end 10 between the first end and the second end in the direction of the conductive channel 1. The conductive connection end 10 is connected to the first end of the connection line 2, and the second end of the connection line 2 is electrically connected to the detection assembly 3.

[0039] For example, when there is no cleaning liquid in the cleaning liquid container 51, the conductive channel 1 has no cleaning liquid flowing through it due to the suction of the suction pump 52, and the conductive channel 1 is in a disconnected state and does not conduct electricity. When there is cleaning liquid in the cleaning liquid container 51, the conductive channel 1 has cleaning liquid flowing through it due to the suction of the suction pump 52. Since the cleaning liquid is a conductor and has internal resistance, the cleaning liquid in contact with the conductive channel 1 causes the conductive channel 1 to form a load with a resistance value. Based on the different conduction states of the conductive channel 1 when there is or is not cleaning liquid flowing through it, the electrical signal of the conductive connection end 10 is different. The detection assembly 3 can determine whether there is cleaning liquid in the conductive channel 1 by detecting the electrical signal of the conductive connection end 10, thereby achieving the purpose of detecting whether there is cleaning liquid in the cleaning equipment.

[0040] Continuing to refer to Figure 2 and Figure 3To improve the connection stability between the conductive connection terminal 10 and the connecting line 2, and to ensure reliable conductivity between the connecting line 2 and the conductive connection terminal 10, this embodiment of the cleaning fluid detection device further includes a conductive sheet 4. The conductive sheet 4 can be, for example, a metal sheet, and is made of a metal with low hardness. The conductive sheet 4 can undergo a certain deformation so that it can surround the conductive connection terminal 10 of the conductive channel 1. Figure 2 The arrows in the diagram exemplarily indicate the direction in which the conductive sheet 4 surrounds the conductive connection end 10 of the conductive channel 1. It is understood that the specific direction in which the conductive sheet 4 surrounds the conductive channel 1 is not limited in the embodiments of this disclosure. Figure 3 The example shows that after the conductive sheet 4 surrounds the conductive connection end 10 of the conductive channel 1, the first end of the connecting line 2 is electrically connected to the conductive sheet 4.

[0041] Figure 3 The diagram also exemplarily shows position a of the conductive sheet 4 surrounding the conductive connection end 10 of the conductive channel 1. The first end of the connecting wire 2 is welded to position a after the conductive sheet 4 and the conductive connection end 10 are pressed together. This ensures that the contact impedance of the connection between the conductive connection end 10 and the connecting wire 2 changes little, thereby improving the connection reliability between the connecting wire 2 and the conductive channel 1 and the stability of detecting the presence or absence of cleaning fluid.

[0042] Therefore, while the detection component 3 can detect the electrical signal of the conductive connection end 10 of the conductive channel 1 to determine whether there is cleaning fluid flowing through the conductive channel 1, the conductive sheet 4 surrounding the conductive connection end 10 of the conductive channel 1 and the welding of the connecting wire 2 to the conductive sheet 4 also ensure reliable contact and conduction between the conductive channel 1 and the connecting wire 2, reduce the change in the contact impedance between the conductive channel 1 and the connecting wire 2, avoid the problem of low connection reliability caused by the snap-on connection method, and improve the connection reliability between the connecting wire 2 and the conductive channel 1 and the stability of detecting the presence or absence of cleaning fluid.

[0043] In this embodiment, a conductive sheet 4 is arranged around the conductive connection end 10 of the conductive channel 1, and the first end of the connecting wire 2 is welded to the conductive sheet 4. While the detection component 3 can detect the electrical signal of the conductive connection end 10 of the conductive channel 1 to determine whether there is cleaning fluid flowing through the conductive channel 1, it also ensures reliable contact and conduction between the conductive channel 1 and the connecting wire 2, reduces the change in the contact impedance between the conductive channel 1 and the connecting wire 2, and improves the connection reliability between the connecting wire 2 and the conductive channel 1 and the stability of detecting the presence or absence of cleaning fluid.

[0044] Optionally, combined Figures 1 to 3 The conductive sheet 4 is pressed into the conductive connection end 10 of the conductive channel 1.

[0045] Specifically, in combination Figures 1 to 3The conductive sheet 4 is pressed tightly after surrounding the conductive connecting end 10 of the conductive channel 1, so as to ensure reliable contact and conduction between the conductive connecting end 10 and the conductive sheet 4.

[0046] Figure 4 Another structure schematic diagram of a cleaning liquid detection device provided by the embodiment of the present disclosure is provided. Optionally, the cleaning liquid detection device is combined with Figure 1 and Figure 4 The conductive channel 1 includes a first conductive channel 11 and a second conductive channel 12; a first end of the first conductive channel 11 is in communication with the cleaning liquid supply assembly 5, a second end of the first conductive channel 11 and a first end of the second conductive channel 12 are in insulated communication, and a second end of the second conductive channel 12 is in communication with the cleaning liquid outlet; a conductive connecting end 101 of the first conductive channel 11 is electrically connected with the power supply end VDD through the connecting line 2, and a conductive connecting end 102 of the second conductive channel 12 is electrically connected with the ground end GND through the connecting line 2.

[0047] Specifically, the cleaning liquid detection device is combined with Figure 1 and Figure 4 The conductive channel 1 may, for example, include a first conductive channel 11 and a second conductive channel 12, which may, for example, be conductive glue pipes or other types of passages opened on a conductive body, and the embodiment of the present disclosure does not limit the same. The power supply end VDD, the first conductive channel 11, the second conductive channel 12 and the ground end GND are sequentially connected and form a loop. Since the second end of the first conductive channel 11 and the first end of the second conductive channel 12 are in insulated connection, when there is no cleaning liquid flowing through the first conductive channel 11 and the second conductive channel 12, the first conductive channel 11 and the second conductive channel 12 are in a disconnected state. When there is cleaning liquid flowing through the first conductive channel 11 and the second conductive channel 12, since the cleaning liquid is a conductor and has an internal resistance, the cleaning liquid contacts the first conductive channel 11 and the second conductive channel 12, so that the first conductive channel 11 and the second conductive channel 12 are equivalent to a load resistance R3. Based on the different conductive states of the first conductive channel 11 and the second conductive channel 12 with or without the cleaning liquid flowing therethrough, the electrical signals of the conductive connecting end 10 are different. The detection assembly 3 can determine whether there is cleaning liquid in the conductive channel 1 by detecting the electrical signals of the conductive connecting end 10, so as to achieve the purpose of detecting whether there is cleaning liquid in the first conductive channel 11 and the second conductive channel 12.

[0048] In addition, the conductive sheet 4 may, for example, include a first conductive sheet and a second conductive sheet, the first conductive sheet surrounds and is pressed against the conductive connecting end 101 of the first conductive channel 11, and the first end of the connecting line 2 is welded with the first conductive sheet.

[0049] The second conductive sheet surrounds and is crimped with the conductive connecting end 102 of the second conductive channel 12, and the first end of the connecting wire 2 is welded with the second conductive sheet.

[0050] Optionally, in combination with Figure 1 and Figure 4 , the conductive channel 1 further comprises an insulating channel 13, and the first conductive channel 11 is in communication with the second conductive channel 12 through the insulating channel 13; wherein the first end of the insulating channel 13 is in communication with the second end of the first conductive channel 11, and the second end of the insulating channel 13 is in communication with the first end of the second conductive channel 12.

[0051] Specifically, in combination with Figure 1 and Figure 4 , the first conductive channel 11 is in communication with the second conductive channel 12 through the insulating channel 13, and the insulating channel 13 is equivalent to an open circuit when no cleaning liquid flows therethrough, i.e., the loop formed by the power supply end VDD, the first conductive channel 11, the insulating channel 13, the second conductive channel 12 and the ground end GND is in an open state, while when the cleaning liquid flows out from the cleaning liquid supply assembly 5 and flows to the cleaning liquid outlet, the cleaning liquid flows through the first conductive channel 11, the insulating channel 13 and the second conductive channel 12, and since the cleaning liquid is a conductor, the insulating channel 13 is in a conductive state at this time, i.e., the loop formed by the power supply end VDD, the first conductive channel 11, the insulating channel 13, the second conductive channel 12 and the ground end GND is in a conductive state. The electrical signals of the conductive connecting end 10 corresponding to the open state and the conductive state are different, and the detection assembly 3 can determine whether the cleaning liquid flows through the first conductive channel 11, the insulating channel 13 and the second conductive channel 12 according to the electrical signals of the conductive connecting end 10, so as to detect the presence or absence of the cleaning liquid.

[0052] Optionally, as shown in Figure 4 , the detection assembly 3 comprises a voltage division module 31 and a comparison module 32; the voltage division module 31 and the conductive connecting end 10 of the conductive channel 1 are connected in series, the connection point M of the voltage division module 31 and the conductive connecting end 10 of the conductive channel 1 is electrically connected with the input end of the comparison module 32, and the output end VOUT of the comparison module 32 outputs a level comparison signal.

[0053] Specifically, as shown in Figure 4As shown, the voltage division module 31 and the conductive connection end 10 of the conductive channel 1 are connected in series, the conductive channel 1 and the voltage division module 31 form a voltage division circuit, the connection point M of the voltage division module 31 and the conductive connection end 10 of the conductive channel 1 is electrically connected with the input end of the comparison module 32, whether the cleaning liquid flows through the conductive channel 1 causes the conductive state of the conductive channel 1 to be different, so that the voltage of the connection point M is different, the comparison module 32 compares the voltage of the connection point M with the reference voltage VREF, and the level comparison signal output by the output end VOUT of the comparison module 32 is different, so that whether the cleaning liquid exists can be judged according to the level comparison signal output by the output end VOUT of the comparison module 32.

[0054] Figure 5 Another structure schematic diagram of a cleaning liquid detection device provided by the embodiment of the present disclosure is provided. Optionally, in combination with Figure 4 and Figure 5 , the voltage division module 31 is connected in series between the power supply end VDD and the conductive connection end 10 of the conductive channel 1; or, the voltage division module 31 is connected in series between the ground end GND and the conductive connection end 10 of the conductive channel 1.

[0055] Figure 4 The voltage division module 31 is connected in series between the power supply end VDD and the conductive connection end 10 of the conductive channel 1, the first end of the voltage division module 31 is electrically connected with the power supply end VDD, the second end of the voltage division module 31 is electrically connected with the conductive connection end 10 of the conductive channel 1, the cleaning liquid flows through the first conductive channel 11 and the second conductive channel 12, which are equivalent to the load resistance R3, and is electrically connected with the ground end GND, thereby forming a voltage division circuit, which is exemplarily shown in the figure.

[0056] Figure 5 The voltage division module 31 is connected in series between the ground end GND and the conductive connection end 10 of the conductive channel 1, the first end of the voltage division module 31 is electrically connected with the ground end GND, the second end of the voltage division module 31 is electrically connected with the conductive connection end 10 of the conductive channel 1, the cleaning liquid flows through the first conductive channel 11 and the second conductive channel 12, which are equivalent to the load resistance R3, and is electrically connected with the power supply end VDD, thereby forming a voltage division circuit, which is exemplarily shown in the figure.

[0057] Optionally, in combination with Figure 4 and Figure 5 , the voltage division module 31 comprises a first resistance R1, the first end of the first resistance R1 is electrically connected with the power supply end VDD, and the second end of the first resistance R1 is electrically connected with the conductive connection end 10 of the conductive channel 1; or, the first end of the first resistance R1 is electrically connected with the ground end GND, and the second end of the first resistance R1 is electrically connected with the conductive connection end 10 of the conductive channel 1.

[0058] Figure 4In the first embodiment, the first end of the first resistor R1 is electrically connected to the power supply end VDD, the second end of the first resistor R1 is electrically connected to the conductive connection end 101 of the first conductive channel 11, and the conductive connection end 102 of the second conductive channel 12 is grounded. The cleaning liquid flows through the equivalent load resistor R3 of the first conductive channel 11 and the second conductive channel 12 to form a voltage dividing circuit with the first resistor R1, and the comparison module 32 detects the voltage at the connection point M between the first resistor R1 and the conductive connection end 101 of the first conductive channel 11 to determine whether the cleaning liquid is present.

[0059] Figure 5 In the first embodiment, the first end of the first resistor R1 is electrically connected to the power supply end VDD, the second end of the first resistor R1 is electrically connected to the conductive connection end 101 of the first conductive channel 11, and the conductive connection end 102 of the second conductive channel 12 is grounded. The cleaning liquid flows through the equivalent load resistor R3 of the first conductive channel 11 and the second conductive channel 12 to form a voltage dividing circuit with the first resistor R1, and the comparison module 32 detects the voltage at the connection point M between the first resistor R1 and the conductive connection end 101 of the first conductive channel 11 to determine whether the cleaning liquid is present.

[0060] Optionally, in combination with Figure 4 and Figure 5 , the connection point M between the voltage dividing module 31 and the conductive connection end 10 of the conductive channel 1 is electrically connected to the non-inverting input end + of the comparison module 32, the inverting input end - of the comparison module 32 is connected to the reference voltage VREF, and the output end VOUT of the comparison module 32 outputs a level comparison signal.

[0061] Figure 4The connection point M of the voltage division module 31 and the conductive connection end 101 of the first conductive channel 11 is electrically connected to the non-inverting input terminal + of the comparison module 32, the conductive connection end 102 of the second conductive channel 12 is electrically connected to the ground terminal GND, and the first conductive channel 11 and the second conductive channel 12 are both in contact with the cleaning liquid, and are equivalent to a load resistor R3 and a first resistor R1 electrically connected to the power terminal VDD to form a voltage division circuit. The voltage value after voltage division is, for example, VIN, and VIN=VDD*R3 / (R1+R3), where R3 is the resistance value of the load resistor, R1 is the resistance value of the first resistor R1, and VDD is the voltage value of the power terminal VDD. The inverting input terminal - of the comparison module 32 is connected to a reference voltage VREF, and the specific value of the reference voltage VREF is not limited, which can be used to determine whether the cleaning liquid is in a state or not. The subsequent embodiments can be understood in this way, and will not be described here. The voltage value VIN after voltage division and the reference voltage VREF are compared by the comparison module 32. When VIN is greater than VREF, the output terminal VOUT of the comparison module 32 outputs a high-level signal as a level comparison signal, and the voltage value VOUT of the level comparison signal is the voltage of the power terminal VDD, indicating that there is no cleaning liquid. When VIN is less than VREF, the output terminal VOUT of the comparison module 32 outputs a low-level signal as a level comparison signal, and the voltage value VOUT of the level comparison signal is the voltage of the ground terminal GND, indicating that there is cleaning liquid.

[0062] Figure 5 The connection point M of the voltage division module 31 and the conductive connection end 101 of the first conductive channel 11 is electrically connected to the non-inverting input terminal + of the comparison module 32, the conductive connection end 102 of the second conductive channel 12 is electrically connected to the ground terminal GND, and the first conductive channel 11 and the second conductive channel 12 are both in contact with the cleaning liquid, and are equivalent to a load resistor R3 and a first resistor R1 electrically connected to the power terminal VDD to form a voltage division circuit. The voltage value after voltage division is, for example, VIN, and VIN=VDD*R3 / (R1+R3), where R3 is the resistance value of the load resistor, R1 is the resistance value of the first resistor R1, and VDD is the voltage value of the power terminal VDD. The inverting input terminal - of the comparison module 32 is connected to a reference voltage VREF, and the specific value of the reference voltage VREF is not limited, which can be used to determine whether the cleaning liquid is in a state or not. The subsequent embodiments can be understood in this way, and will not be described here. The voltage value VIN after voltage division and the reference voltage VREF are compared by the comparison module 32. When VIN is greater than VREF, the output terminal VOUT of the comparison module 32 outputs a high-level signal as a level comparison signal, and the voltage value VOUT of the level comparison signal is the voltage of the power terminal VDD, indicating that there is no cleaning liquid. When VIN is less than VREF, the output terminal VOUT of the comparison module 32 outputs a low-level signal as a level comparison signal, and the voltage value VOUT of the level comparison signal is the voltage of the ground terminal GND, indicating that there is cleaning liquid.

[0063] Figure 4 Another structure schematic diagram of a cleaning liquid detection device provided by an embodiment of the present disclosure is shown.Figure 5 Another structure schematic diagram of the cleaning liquid detection device provided by the embodiments of the present disclosure is shown. Optionally, the cleaning liquid detection device is combined with Figure 6 and Figure 7 The connection point M of the voltage division module 31 and the conductive connection end 10 of the first conductive channel 11 is electrically connected to the inverting input terminal - of the comparison module 32, the non-inverting input terminal + of the comparison module 32 is connected to the reference voltage VREF, and the output terminal VOUT of the comparison module 32 outputs the level comparison signal.

[0064] Figure 6 The connection point M of the voltage division module 31 and the conductive connection end 101 of the first conductive channel 11 is electrically connected to the inverting input terminal - of the comparison module 32, the conductive connection end 102 of the second conductive channel 12 is electrically connected to the ground terminal GND, the non-inverting input terminal + of the comparison module 32 is connected to the reference voltage VREF, the first conductive channel 11 and the second conductive channel 12 are both in contact with the cleaning liquid, and the equivalent load resistance R3 and the first resistance R1 electrically connected to the power terminal VDD form a voltage division circuit, the voltage value after voltage division is, for example, VIN, VIN=VDD*R3 / (R1+R3), wherein R3 is the resistance value of the load resistance, R1 is the resistance value of the first resistance R1, and VDD is the voltage value of the power terminal VDD. The inverting input terminal - of the comparison module 32 is connected to the reference voltage VREF, the voltage value VIN after voltage division and the reference voltage VREF are compared by the comparison module 32, when VIN is greater than VREF, the output terminal VOUT of the comparison module 32 outputs the low-level signal of the level comparison signal, the voltage value VOUT of the level comparison signal is the voltage of the ground terminal GND, indicating that there is no cleaning liquid, and when VIN is less than VREF, the output terminal VOUT of the comparison module 32 outputs the high-level signal of the level comparison signal, the voltage value VOUT of the level comparison signal is the voltage of the power terminal VDD, indicating that there is cleaning liquid.

[0065] Figure 7The connection point M of the voltage division module 31 and the conductive connection end 102 of the second conductive channel 12 is connected to the inverting input end - of the comparison module 32, the non-inverting input end + of the comparison module 32 is connected to the reference voltage VREF, the conductive connection end 101 of the first conductive channel 11 is connected to the power supply end VDD, the first conductive channel 11 and the second conductive channel 12 are both in contact with the cleaning liquid, and the equivalent load resistance R3 and the first resistance R1 connected to the ground end VDD form a voltage division circuit, and the voltage value after voltage division is, for example, VIN, wherein R3 is the resistance value of the load resistance, R1 is the resistance value of the first resistance R1, and VDD is the voltage value of the power supply end VDD. The reference voltage VREF and the voltage value VIN after voltage division are compared by the comparison module 32, when VIN is greater than VREF, the level comparison signal output by the output end VOUT of the comparison module 32 is a low-level signal, the voltage value VOUT of the level comparison signal is the voltage of the ground end GND, indicating that there is cleaning liquid, and when VIN is less than VREF, the level comparison signal output by the output end VOUT of the comparison module 32 is a high-level signal, the voltage value VOUT of the level comparison signal is the voltage of the power supply end VDD, indicating that there is no cleaning liquid.

[0066] Optionally, in combination with Figure 6 , the comparison module 32 includes a comparator 321 and a second resistance R2, the non-inverting input end + of the comparator 321 is the non-inverting input end + of the comparison module 32, the inverting input end - of the comparator 321 is the inverting input end - of the comparator 321, the output end VOUT of the comparator 321 is the output end VOUT of the comparison module 32, the first end of the second resistance R2 is connected to the output end VOUT of the comparator 321, and the second end of the second resistance R2 is connected to the power supply end VDD.

[0067] Specifically, in combination with Figure 7 Figures 4 to 7 Figures 4 to 7 , the non-inverting input end + of the comparator 321 is the non-inverting input end + of the comparator 321, the inverting input end - of the comparator 321 is the inverting input end - of the comparator 321, the output end VOUT of the comparator 321 is the output end VOUT of the comparison module 32, and the comparator 321 further includes a first power supply end V1 and a second power supply end V2, the first power supply end V1 is connected to the power supply end VDD, and the second power supply end V2 is connected to the ground end GND, and the power supply end VDD is used to supply power to the comparator 321 to ensure normal operation of the comparator 321.

[0068] The second resistor R2 is a pull-up resistor, and the voltage of the connection point M of the voltage division module 31 and the conductive connection end 10 of the conductive channel 1 and the reference voltage VREF are compared by the comparator 321, and then output as the ground end GND voltage or the voltage of the power supply end VDD after being pulled up by the second resistor R2.

[0069] The cleaning device provided by the embodiments of the present disclosure has the beneficial effects of the above-mentioned embodiments, and details are not described herein. In addition, the cleaning device provided by the embodiments of the present disclosure can be a dust collector, a floor washing machine, a floor sweeping machine, a sweeping and mopping integrated robot, and the like, and the embodiments of the present disclosure do not make specific limitations thereto.

[0070] It should be noted that, in this document, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a... " does not exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0071] The above merely describes specific embodiments of the present disclosure, enabling a person skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cleaning solution detection device, comprising: The conductive channel, the connecting line and the detection component; The first end of the conductive channel is communicated with the cleaning liquid supply component, the second end of the conductive channel is communicated with the cleaning liquid outlet, and the conductive connecting end between the first end and the second end in the direction of the conductive channel is connected with the first end of the connecting line, and the second end of the connecting line is electrically connected with the detection component; the conductive channel is used for transmitting the cleaning liquid flowing out of the cleaning liquid supply component to the cleaning liquid outlet, and the detection component is used for detecting the electrical signal of the conductive connecting end of the conductive channel. The conductive sheet is arranged around the conductive connecting end of the conductive channel, and the first end of the connecting line and the conductive sheet are welded. The conductive sheet is crimped with the conductive connecting end of the conductive channel.

2. The cleaning fluid detection device of claim 1, wherein The conductive channel comprises a first conductive channel and a second conductive channel; 3. The cleaning fluid detection device of claim 1, wherein The first end of the first conductive channel is communicated with the cleaning liquid supply component, the second end of the first conductive channel and the first end of the second conductive channel are insulatedly communicated, and the second end of the second conductive channel is communicated with the cleaning liquid outlet. The conductive connecting end of the first conductive channel is electrically connected with the power end through the connecting line, and the conductive connecting end of the second conductive channel is electrically connected with the grounding end through the connecting line. The conductive channel further comprises an insulating channel, and the first conductive channel is communicated with the second conductive channel through the insulating channel; wherein the first end of the insulating channel is communicated with the second end of the first conductive channel, and the second end of the insulating channel is communicated with the first end of the second conductive channel.

4. The cleaning fluid detection device of claim 3, wherein The detection component comprises a voltage dividing module and a comparison module; 5. The cleaning fluid detection device of claim 1, wherein The voltage dividing module and the conductive connecting end of the conductive channel are connected in series, the connection point of the voltage dividing module and the conductive connecting end of the conductive channel is electrically connected with the input end of the comparison module, and the output end of the comparison module outputs a level comparison signal. The voltage dividing module is connected in series between the power end and the conductive connecting end of the conductive channel, or the voltage dividing module is connected in series between the grounding end and the conductive connecting end of the conductive channel.

6. The cleaning fluid detection device of claim 5, wherein, The voltage dividing module comprises a first resistor, the first end of the first resistor is electrically connected with the power end, and the second end of the first resistor is electrically connected with the conductive connecting end of the conductive channel.

7. The cleaning fluid detection device of claim 6, wherein, Alternatively, the first end of the first resistor is electrically connected with the grounding end, and the second end of the first resistor is electrically connected with the conductive connecting end of the conductive channel. The connection point of the voltage dividing module and the conductive connecting end of the conductive channel is electrically connected with the non-inverting input end of the comparison module, the inverting input end of the comparison module is connected with a reference voltage, and the output end of the comparison module outputs a level comparison signal.

8. The cleaning fluid detection device of claim 5, wherein, The connection point of the voltage dividing module and the conductive connecting end of the conductive channel is electrically connected with the inverting input end of the comparison module, the non-inverting input end of the comparison module is connected with a reference voltage, and the output end of the comparison module outputs a level comparison signal.

9. The cleaning fluid detection device of claim 5, wherein, ​ 10. The cleaning fluid detection device of claim 8 or 9, wherein, The comparison module comprises a comparator and a second resistor, a noninverted input end of the comparator serving as a noninverted input end of the comparison module, an inverted input end of the comparator serving as an inverted input end of the comparison module, an output end of the comparator serving as an output end of the comparison module, a first end of the second resistor being electrically connected with the output end of the comparator, and a second end of the second resistor being electrically connected with a power supply end.

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