Device for testing water yield of microporous atomization sheet

Abstract

The utility model relates to a device for testing the water yield of a microporous atomization sheet, the device comprises a water storage tank, a testing water tank, an atomization sheet, a pressure detection module and a control device, the water storage tank is arranged on the testing water tank, and a first switch for controlling whether the water storage tank and the testing water tank are conducted or not is arranged between the water storage tank and the testing water tank; the atomization sheet test water tank is detachably connected and communicated; the pressure detection module can detect the corresponding liquid consumption weight before and after the atomization sheet works; the control device not only can control the working states of the first switch and the atomization sheet, but also can calculate the water yield per unit time of the atomization sheet according to the corresponding liquid consumption weight before and after the atomization sheet works. According to the testing device, the control device is matched with the first switch and the pressure detection module, and the atomization sheets can be quickly assembled with the testing water tank, so that the consistency of testing conditions such as water pressure and water quantity in each test of the atomization sheets can be ensured, and the atomization sheets with inconsistent water yield caused by equipment errors can be quickly screened out.

Description

Technical Field

[0001] This application relates to the field of atomizing plate testing technology, and in particular to a device for testing the water output of a microporous atomizing plate. Background Technology

[0002] With the development of the window cleaning robot industry, a wide variety of models have emerged on the market, and users' demands for the cleaning capabilities of window cleaning robots are also increasing. Window cleaning robots that spray water before cleaning windows significantly improve cleaning effectiveness. Window cleaning robots have also evolved from having no water spray function to now almost universally incorporating this feature. Currently, there are two main water spray solutions for window cleaning robots on the market: water pumps and microporous atomizing plates. Water pump spray solutions are more expensive, have more difficult-to-control water output, but offer better consistency. Microporous atomizing plate solutions are less expensive and have easier-to-control water output, but offer less consistency. Based on the advantages of microporous atomizing plates, more and more manufacturers are choosing this solution. The micropore diameter of microporous atomizing plates is generally between 3um and 15um, but due to manufacturing processes, even microporous atomizing plates of the same specification can have an error of ±1.5um in micropore diameter. For small-diameter microporous atomizing plates, the upper and lower limits of water output can even have an error of up to 100%, seriously affecting the cleaning effect of window cleaning robots. This problem is prevalent in most window-cleaning robots on the market and remains unresolved. In the medical field, some medications require atomization via microporous atomizing pads before inhalation, placing stricter requirements on the atomization volume; currently, there is no suitable solution. Utility Model Content

[0003] Therefore, it is necessary to provide a device for testing the water output of a microporous atomizing plate to address the above-mentioned problems.

[0004] This application provides a device for testing the water output of a microporous atomizing plate, the device comprising:

[0005] A water storage tank, the water storage tank being configured to store liquid;

[0006] A test water tank, wherein the water storage tank is mounted on the test water tank, and a first switch is provided between the water storage tank and the test water tank, the first switch being used to control whether the water storage tank and the test water tank are connected;

[0007] An atomizing plate, which is detachably mounted on the test water tank, and the test water tank is connected to the atomizing plate;

[0008] A pressure detection module, which is configured to detect at least the weight of liquid consumed before and after the atomizing plate is in operation;

[0009] A control device is electrically connected with the first switch, the atomizing piece and the pressure detection module respectively, and is configured to control the working states of the first switch and the atomizing piece, and to calculate the water output of the atomizing piece per unit time according to the liquid consumption weights corresponding to the working states of the atomizing piece before and after working.

[0010] In one of the embodiments, the water output of the atomizing piece per unit time is determined according to the following formula:

[0011] m = (G1-G2) / t;

[0012] wherein,

[0013] m: water output per unit time, unit g / s;

[0014] G1: total weight of liquid before working, unit g;

[0015] G2: total weight of liquid after working, unit g;

[0016] t: working duration, unit s.

[0017] In one of the embodiments, the control device comprises a microprocessor, a driving circuit and a display module, the driving circuit and the display module are connected with the microprocessor respectively, the microprocessor controls the driving circuit to drive the atomizing piece to work, the microprocessor calculates the water output of the atomizing piece per unit time according to the liquid consumption weights corresponding to the working states of the atomizing piece before and after working, and the microprocessor controls the display module to display the water output of the atomizing piece per unit time.

[0018] In one of the embodiments, the driving circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor (C5), a twelfth resistor (R12), a thirteenth resistor (R13), a MOS tube and a three-pin inductor, the first end of the first capacitor, the first end of the second capacitor, the first end of the third capacitor, the first end of the fourth capacitor and the second end of the three-pin inductor are connected with a power signal, the second end of the first capacitor, the second end of the second capacitor, the second end of the third capacitor and the second end of the fourth capacitor are connected with ground, the first end of the fifth capacitor (C5) is connected with a PWM signal output end of the microprocessor, the second end of the fifth capacitor (C5) and the first end of the twelfth resistor (R12) are connected, the second end of the twelfth resistor (R12), the first end of the thirteenth resistor (R13) and the gate of the MOS tube are connected, the second end of the thirteenth resistor (R13) and the source of the MOS tube are connected with ground respectively, the drain of the MOS tube and the first end of the three-pin inductor are connected, the third end of the three-pin inductor and the first end of the atomizing piece are connected, and the second end of the atomizing piece is connected with a power supply signal.

[0019] In one of the embodiments, the pressure detection module comprises a strain gauge, a conversion circuit and an amplification circuit, the water storage tank, the test water tank and the strain gauge are sequentially arranged from top to bottom, the conversion circuit converts the pressure signal of the strain gauge into a first voltage signal, and the amplification circuit amplifies the first voltage signal to obtain a second voltage signal and transmit the second voltage signal to the control device.

[0020] In one of the embodiments, the conversion circuit comprises a first resistor, a second resistor and a fourth resistor, a first end of the first resistor and a first end of the strain gauge are connected to a common power signal, a second end of the second resistor and a second end of the fourth resistor are connected to a common ground, a second end of the first resistor and a first end of the second resistor are connected to a common connection and output a first signal, and a second end of the strain gauge and a first end of the fourth resistor are connected to a common connection and output a second signal, wherein the first signal and the second signal constitute the first voltage signal.

[0021] In one of the embodiments, the amplification circuit comprises a first amplifier, a second amplifier, a third amplifier, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor and an eleventh resistor, the first signal is input to a positive input end of the first amplifier, the second signal is input to a positive input end of the second amplifier, a first end of the fifth resistor and a first end of the sixth resistor are connected to a negative input end of the first amplifier, a second end of the fifth resistor and a first end of the seventh resistor are connected to a negative input end of the second amplifier, the sixth resistor and a first end of the eighth resistor are connected to an output end of the first amplifier, the seventh resistor and a second end of the ninth resistor are connected to a first end of the ninth resistor and an output end of the second amplifier, a second end of the eighth resistor and a first end of the eleventh resistor are connected to a negative input end of the third amplifier, a second end of the ninth resistor and a first end of the tenth resistor are connected to a positive input end of the third amplifier, a second end of the eleventh resistor is connected to an output end of the third amplifier and outputs the second voltage signal, and a second end of the tenth resistor is connected to a ground.

[0022] In one of the embodiments, the test device further comprises a water circulation module, the water circulation module comprises a return water tank and a water pump, the return water tank is connected to the test water tank through a pipeline, a second switch is arranged on the test water tank, the second switch and the water pump are respectively electrically connected to the control device, and the second switch is used to control whether the test water tank and the return water tank are connected or not; a water inlet of the water pump is communicated with the return water tank, and a water outlet of the water pump is communicated with the water storage tank.

[0023] In one of the embodiments, the testing device further comprises a water supplementing module, the water supplementing module comprises a water supplementing tank for storing supplementing liquid, and a water pump, a water inlet of the water pump is communicated with the water supplementing tank, a water outlet of the water pump is communicated with the water storage tank, and the water pump is electrically connected with the control device; a third switch is arranged on a channel between the testing water tank and the atomizing piece, the third switch is electrically connected with the control device, and the third switch is used for controlling whether the channel between the testing water tank and the atomizing piece is communicated.

[0024] In one of the embodiments, the testing device further comprises a water level sensor, the water level sensor is electrically connected with the control device, and the water level sensor is configured to detect a water level of the testing water tank and feed back to the control device, so as to drive the control device to control opening or closing of the first switch. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 Structure diagram of the testing device for the water output of the micro-porous atomizing piece in one of the embodiments Figure 1 ;

[0026] Figure 2 Structure diagram of the testing device for the water output of the micro-porous atomizing piece in one of the embodiments Figure 2 ;

[0027] Figure 3 Structure diagram of the driving circuit in one of the embodiments

[0028] Figure 4 Structure diagram of the conversion circuit in one of the embodiments

[0029] Figure 5 Structure diagram of the amplification circuit in one of the embodiments

[0030] LIST OF REFERENCE NUMERALS

[0031] 10 water storage tank; 20 testing water tank; 30 atomizing piece; 40 pressure detection module, 41 strain gauge; 50 control device; 61 first switch, 62 second switch; 70 water circulation module, 71 backwater tank; 72 water pump;

[0032] C1 first capacitor, C2 second capacitor, C3 third capacitor, C4 fourth capacitor, C5 fifth capacitor;

[0033] R1 first resistor, R2 second resistor, R4 fourth resistor, R5 fifth resistor, R6 sixth resistor, R7 seventh resistor, R8 eighth resistor, R9 ninth resistor, R10 tenth resistor, R11 eleventh resistor, R12 twelfth resistor, R13 thirteenth resistor;

[0034] N1 MOS tube; L1 three-pin inductor;

[0035] U1 first amplifier; U2 second amplifier; U3 third amplifier. DETAILED DESCRIPTION

[0036] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0037] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so as to describe the embodiments of the present application.

[0038] As shown in Figure 1 The present embodiment provides a test device for water output of a microporous atomizing sheet, the test device for water output of the microporous atomizing sheet comprising:

[0039] A water storage tank 10 is configured to store liquid.

[0040] A test water tank 20 is provided with the water storage tank 10, and a first switch 61 is arranged between the water storage tank 10 and the test water tank 20, and the first switch 61 is used to control whether the water storage tank 10 and the test water tank 20 are connected or not.

[0041] An atomizing sheet 30 is detachably installed on the test water tank 20, and the test water tank 20 is in communication with the atomizing sheet 30.

[0042] A pressure detection module 40 is configured to detect the corresponding liquid consumption weight before and after the atomizing sheet 30 works.

[0043] A control device 50 is electrically connected with the first switch 61, the atomizing sheet 30 and the pressure detection module 40 respectively, and the control device 50 is configured to control the working state of the first switch 61 and the atomizing sheet 30, and calculate the water output per unit time of the atomizing sheet 30 according to the corresponding liquid consumption weight before and after the atomizing sheet 30 works.

[0044] The application discloses a testing device for water output of a microporous atomizing sheet. The device comprises a water storage tank 10, a testing water tank 20, an atomizing sheet 30, a pressure detection module 40 and a control device 50. The water storage tank 10 is arranged on the testing water tank 20, and a first switch 61 for controlling whether the water storage tank 10 and the testing water tank 20 are in communication is arranged between the water storage tank 10 and the testing water tank 20. The atomizing sheet 30 is detachably connected to and in communication with the testing water tank 20. The pressure detection module 40 can detect the corresponding liquid consumption weight before and after the atomizing sheet 30 works. The control device 50 can control the working state of the first switch 61 and the atomizing sheet 30, and calculate the water output per unit time of the atomizing sheet 30 according to the corresponding liquid consumption weight before and after the atomizing sheet 30 works. The testing device can ensure that the water pressure and water volume and other testing conditions of the atomizing sheet 30 are consistent in each test, and quickly screen out the atomizing sheets 30 with inconsistent water output caused by equipment errors, through cooperation of the control device 50, the first switch 61 and the pressure detection module 40, and quick assembly of the atomizing sheet 30 and the testing water tank 20.

[0045] wherein,

[0046] The water storage tank 10 can be used for storing liquid, such as water, cleaning liquid or therapeutic liquid such as normal saline, for atomization by the atomizing sheet 30.

[0047] The first switch 61 can be used for controlling whether the water storage tank 10 and the testing water tank 20 are in communication. Specifically, when the first switch 61 is in an open state, the water storage tank 10 and the testing water tank 20 are in communication, and the liquid in the water storage tank 10 is transmitted to the testing water tank 20 through the first switch 61; when the second switch 62 is in a closed state, the water storage tank 10 and the testing water tank 20 are in communication cutoff.

[0048] The first switch 61 can be an electromagnetic valve, and the first switch 61 can change the working state of the first switch 61 according to the control signal output by the control device 50. Specifically, when the atomizing sheet 30 starts testing, the control device 50 outputs a control signal to drive the first switch 61 to change from a closed state to an open state, so that the liquid in the water storage tank 10 is transmitted to the testing water tank 20. When the liquid in the testing water tank 20 reaches a certain amount or is full, the control device 50 outputs a control signal to drive the first switch 61 to change from the open state to the closed state.

[0049] The atomizing sheet 30 can be detachably installed in the testing water tank 20 and in communication with the testing water tank 20. Specifically, a fixing groove matched with the shape of the atomizing sheet 30 is formed on the periphery of the testing water tank 20, and a water outlet in communication with the cavity of the testing water tank 20 is arranged on the fixing groove. The atomizing sheet 30 can be installed in the fixing groove in a plug-in manner, so that the atomizing sheet 30 and the testing water tank 20 can be quickly assembled.

[0050] The pressure detection module 40 can be used to detect the weight of the liquid consumed before and after the atomizing piece 30 works. Specifically, based on the water storage tank 10 being arranged in the test water tank 20, before the atomizing piece 30 works, the water storage tank 10 and the liquid in the water storage tank 10, the test water tank 20 and the liquid in the test water tank 20 form a first weight, after the atomizing piece 30 works for a period of time, after a certain amount of liquid in the test water tank 20 is consumed, the water storage tank 10 and the liquid in the water storage tank 10, the test water tank 20 and the liquid in the test water tank 20 form a second weight, and the consumed weight of the liquid is obtained by calculating the difference between the second weight and the first weight.

[0051] The control device 50 can not only control the working state of the atomizing piece 30 and the first switch 61, but also calculate the liquid consumed weight received from the pressure detection module 40 to obtain the water output per unit time of the atomizing piece 30. For example, during the test work, the control device 50 can first control the first switch 61 to switch to the open state to make the liquid in the water storage tank 10 be transmitted to the test water tank 20, and when the liquid in the test water tank 20 reaches a certain amount, the control device 50 controls the first switch 61 to switch to the closed state; then the control device 50 controls the atomizing piece 30 to work for a period of time and then to be turned off; the pressure detection module 40 transmits the first weight and the second weight obtained before and after the atomizing piece 30 works to the control device 50, and the microprocessor in the control device 50 calculates the first weight and the second weight to obtain the water output per unit time of the atomizing piece 30. It should be noted that before the next test work is performed, the liquid in the test water tank 20 can be emptied first, then the atomizing piece 30 is replaced, and then the test water tank 20 is filled with liquid from the water storage tank 10; or the atomizing piece 30 can be directly replaced, and then the test water tank 20 is filled with liquid from the water storage tank 10.

[0052] In addition to the features of the above-mentioned embodiments, the present embodiment is further limited in that the water output per unit time of the atomizing piece 30 is determined according to the following formula:

[0053] m = G1 - G2 / t;

[0054] wherein,

[0055] m: water output per unit time, unit g / s;

[0056] G1: total weight of the liquid before working, unit g;

[0057] G2: total weight of the liquid after working, unit g;

[0058] t: working duration, unit s.

[0059] Wherein, the water output per unit time m represents the weight consumed per second by the liquid in the test water tank 20. For example, the micro-porous atomizing sheet with inconsistent water output caused by equipment error can be screened by comparing the water output per unit time of the current atomizing sheet 30 with the standard water output per unit time threshold, and then screening the water output of the atomizing sheet 30 according to the difference between the two.

[0060] As shown in the above embodiment, in addition to the features of the above embodiment, the present embodiment further limits that: the control device 50 comprises a microprocessor, a driving circuit and a display module, the driving circuit and the display module are connected with the microprocessor respectively, the microprocessor controls the driving circuit to drive the atomizing sheet 30 to work, the microprocessor calculates the water output per unit time of the atomizing sheet 30 according to the received liquid consumption weight before and after the atomizing sheet 30 works, and the microprocessor controls the display module to display the water output per unit time of the atomizing sheet 30. Figure 1 Wherein, the microprocessor can calculate the water output per unit time of the atomizing sheet 30 according to the detection result of the pressure detection module 40 by the formula m=G1-G2 / t, and intuitively display the water output per unit time of the atomizing sheet 30 through the display module.

[0061] As shown in the above embodiment, in addition to the features of the above embodiment, the present embodiment further limits that: the driving circuit comprises a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a twelfth resistor R12, a thirteenth resistor R13, a MOS tube N1 and a three-pin inductor L1, the first end of the first capacitor C1, the first end of the second capacitor C2, the first end of the third capacitor C3, the first end of the fourth capacitor C4 and the second end of the three-pin inductor L1 are connected to the power signal, the second end of the first capacitor C1, the second end of the second capacitor C2, the second end of the third capacitor C3 and the second end of the fourth capacitor C4 are connected to the ground, the first end of the fifth capacitor C5 is connected to the PWM signal output end of the microprocessor, the second end of the fifth capacitor C5 and the first end of the twelfth resistor R12 are connected, the second end of the twelfth resistor R12 and the first end of the thirteenth resistor R13 and the gate of the MOS tube N1 are connected, the second end of the thirteenth resistor R13 and the source of the MOS tube N1 are connected to the ground respectively, the drain of the MOS tube N1 and the first end of the three-pin inductor L1 are connected, the third end of the three-pin inductor L1 and the first end of the atomizing sheet 30 are connected, and the second end of the atomizing sheet 30 is connected to the power supply signal.

[0062] Figure 3 Wherein, the first capacitor C1 and the second capacitor C2 can be polar capacitors. The first end of the three-pin inductor L1 can be the positive pole of the inductor, the second end of the three-pin inductor L1 can be the negative pole of the inductor, and the third end of the three-pin inductor L1 can be the control end for controlling the performance of the inductor. The MOS tube N1 can be an N-type MOS tube N1 structure.

[0063] Wherein, the first capacitor C1 and the second capacitor C2 can be polar capacitors. The first end of the three-pin inductor L1 can be the positive pole of the inductor, the second end of the three-pin inductor L1 can be the negative pole of the inductor, and the third end of the three-pin inductor L1 can be the control end for controlling the performance of the inductor. The MOS tube N1 can be an N-type MOS tube N1 structure. ​

[0064] In addition to the features of the above-mentioned embodiments, the present embodiment is further defined as: the pressure detection module 40 comprises a strain gauge 41, a conversion circuit and an amplification circuit, the water storage tank 10, the test water tank 20 and the strain gauge 41 are sequentially arranged from top to bottom, the conversion circuit converts the pressure signal of the strain gauge 41 into a first voltage signal, and the amplification circuit amplifies the first voltage signal to obtain a second voltage signal and transmit it to the control device 50.

[0065] In the present embodiment, the water storage tank 10, the test water tank 20 and the strain gauge 41 are sequentially arranged from top to bottom, the strain gauge 41 is mechanically deformed under the action of gravity in the water storage tank 10, the test water tank 20 and the liquid, and when the total amount of liquid in the water storage tank 10 and the test water tank 20 changes, the degree of mechanical deformation of the strain gauge 41 is different, resulting in different resistance of the strain gauge 41.

[0066] As shown in Figure 4 In addition to the features of the above-mentioned embodiments, the present embodiment is further defined as: the conversion circuit comprises a first resistor R1, a second resistor R2 and a fourth resistor R4, the first end of the first resistor R1 and the first end of the strain gauge 41 are connected to a common power signal, the second end of the second resistor R2 and the second end of the fourth resistor R4 are connected to a common ground, the second end of the first resistor R1 and the first end of the second resistor R2 are connected to output a first signal, and the second end of the strain gauge 41 and the first end of the fourth resistor R4 are connected to output a second signal, wherein the first signal and the second signal constitute a first voltage signal.

[0067] As shown in Figure 5As shown, in addition to the features of the above embodiments, this embodiment further defines: the amplifier circuit includes a first amplifier U1, a second amplifier U2, a third amplifier U3, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, and an eleventh resistor R11. A first signal is input to the positive input terminal of the first amplifier U1, and a second signal is input to the positive input terminal of the second amplifier U2. The first ends of the fifth resistor R5 and the sixth resistor R6 are connected to the negative input terminal of the first amplifier U1. The second end of the fifth resistor R5 and the first end of the seventh resistor R7 are connected to the negative input terminal of the second amplifier U2. The input terminals of the three amplifiers are connected together. The first terminal of the sixth resistor R6 and the eighth resistor R8, as well as the output terminal of the first amplifier U1, are connected together. The second terminal of the seventh resistor R7 and the second terminal of the ninth resistor R9, as well as the first terminal of the ninth resistor R9, and the output terminal of the second amplifier U2 are connected together. The second terminal of the eighth resistor R8, the first terminal of the eleventh resistor R11, and the negative input terminal of the third amplifier U3 are connected together. The second terminal of the ninth resistor R9, the first terminal of the tenth resistor R10, and the positive input terminal of the third amplifier U3 are connected together. The second terminal of the eleventh resistor R11 and the output terminal of the third amplifier U3 are connected together and output the second voltage signal. The second terminal of the tenth resistor R10 is grounded.

[0068] like Figures 1 to 3 As shown, in addition to the features of the above embodiments, this embodiment further includes a water circulation module 70, which includes a return water tank 71 and a water pump 72. The return water tank 71 is connected to the test water tank 20 through a pipe. The test water tank 20 is provided with a second switch 62. The second switch 62 and the water pump 72 are electrically connected to the control device 50 respectively. The second switch 62 is used to control whether the test water tank 20 and the return water tank 71 are connected.

[0069] The inlet of water pump 72 is connected to the return water tank 71, and the outlet of water pump 72 is connected to the water storage tank 10.

[0070] The above embodiments further specify that the device is equipped with a water circulation module 70 consisting of a return water tank 71 and a water pump 72. Through the cooperation of the water circulation module 70 and the second switch 62, water resources can be saved.

[0071] The second switch 62 is used to control whether the test water tank 20 is connected with the return water tank 71. For example, after the calculation of the water output per unit time of the atomizing piece 30 is completed, the control device 50 drives the second switch 62 to switch from the closed state to the open state, and the liquid in the test water tank 20 is output to the return water tank 71 through the second switch 62, so that the liquid in the test water tank 20 is emptied, the atomizing piece 30 is replaced, and the water pump 72 is started to transfer the liquid in the return water tank 71 to the storage water tank 10. When the liquid in the storage water tank 10 reaches a certain amount or is full, the second switch 62 and the water pump 72 are closed.

[0072] In addition to the features of the above-mentioned embodiments, the present embodiment further limits that a water supplementing module is further included, the water supplementing module includes a water supplementing tank and the water pump 72, the water supplementing tank is used to store the supplementing liquid, the water inlet of the water pump 72 is communicated with the water supplementing tank, the water outlet of the water pump 72 is communicated with the storage water tank 10, and the water pump 72 is electrically connected with the control device 50.

[0073] A third switch is arranged on the channel between the test water tank 20 and the atomizing piece 30, the third switch is electrically connected with the control device 50, and the third switch is used to control whether the channel between the test water tank 20 and the atomizing piece 30 is connected.

[0074] In the above-mentioned embodiments, it is further limited that the atomizing piece 30 can be replaced without emptying the liquid in the test water tank 20 by changing the working state of the third switch, and the liquid consumed by the atomizing piece 30 can be supplemented by the water supplementing module composed of the water supplementing tank and the water pump 72.

[0075] The third switch is used to control whether the test water tank 20 is connected with the atomizing piece 30. For example, after the calculation of the water output per unit time of the atomizing piece 30 is completed, the control device 50 drives the third switch to switch from the open state to the closed state, so that the atomizing piece 30 can be replaced, and the control device 50 controls the water pump 72 to work, so that the liquid in the water supplementing tank is supplemented to the storage water tank 10.

[0076] In addition to the features of the above-mentioned embodiments, the present embodiment further limits that a water level sensor is further included, the water level sensor is electrically connected with the control device 50, and the water level sensor is configured to detect at least the water level of the test water tank 20 and feed back to the control device 50, so as to drive the control device 50 to control the opening or closing of the first switch 61.

[0077] In the above-mentioned embodiments, it is further limited that the test device is provided with the water level sensor, the signal of the water level of the test water tank 20 is fed back to the control device 50 through the water level sensor, so as to control the working state of the first switch 61, and thus the water amount and the water pressure parameter in the test water tank 20 before each atomizing piece 30 works are kept consistent, and the accuracy of the test result is improved.

[0078] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations are described above, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present disclosure.

[0079] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the practical new type patent should be subject to the appended claims.

Claims

1. A device for testing the water output of a microporous atomizing sheet, characterized by, The utility model relates to a water consumption testing device, comprising: a water storage tank (10) configured to store liquid; a test water tank (20) disposed on the water storage tank (10), a first switch (61) disposed between the water storage tank (10) and the test water tank (20) for controlling whether the water storage tank (10) and the test water tank (20) are connected; an atomizing piece (30) detachably mounted on the test water tank (20), the test water tank (20) being in communication with the atomizing piece (30); a pressure detection module (40) configured to detect the corresponding liquid consumption weight before and after the atomizing piece (30) works; a control device (50) electrically connected with the first switch (61), the atomizing piece (30) and the pressure detection module (40), respectively, the control device (50) being configured to control the working state of the first switch (61) and the atomizing piece (30), and calculate the water output per unit time of the atomizing piece (30) according to the corresponding liquid consumption weight before and after the atomizing piece (30) works.

2. The testing device for the water output of a microporous atomizing sheet according to claim 1, characterized in that, The water output per unit time of the atomizing piece (30) is determined according to the following formula: m = (G1-G2) / t; wherein, m: water output per unit time, unit g / s; G1: total weight of liquid before working, unit g; G2: total weight of liquid after working, unit g; t: working duration, unit s.

3. The device for testing the water discharge of a microporous atomizing sheet according to claim 1 or 2, wherein The control device (50) comprises a microprocessor, a driving circuit and a display module, the driving circuit and the display module being connected with the microprocessor, respectively, the microprocessor controlling the driving circuit to drive the atomizing piece (30) to work, the microprocessor calculating the water output per unit time of the atomizing piece (30) according to the received corresponding liquid consumption weight before and after the atomizing piece (30) works, and the microprocessor controlling the display module to display the water output per unit time of the atomizing piece (30).

4. The device for testing the water discharge of a microporous atomizing sheet according to claim 3, wherein The driving circuit comprises a first capacitor (C1), a second capacitor (C2), a third capacitor (C3), a fourth capacitor (C4), a fifth capacitor (C5), a twelfth resistor (R12), a thirteenth resistor (R13), a MOS tube (N1) and a three-pin inductor (L1), the first end of the first capacitor (C1), the first end of the second capacitor (C2), the first end of the third capacitor (C3), the first end of the fourth capacitor (C4) and the second end of the three-pin inductor (L1) are connected to a power signal, the second end of the first capacitor (C1), the second end of the second capacitor (C2), the second end of the third capacitor (C3), the second end of the fourth capacitor (C4) are connected to ground, the first end of the fifth capacitor (C5) is connected to the PWM signal output end of the microprocessor, the second end of the fifth capacitor (C5) is connected to the first end of the twelfth resistor (R12), the second end of the twelfth resistor (R12) is connected to the first end of the thirteenth resistor (R13) and the gate of the MOS tube (N1), the second end of the thirteenth resistor (R13) and the source of the MOS tube (N1) are connected to ground respectively, the drain of the MOS tube (N1) is connected to the first end of the three-pin inductor (L1), the third end of the three-pin inductor (L1) is connected to the first end of the atomizing piece (30), and the second end of the atomizing piece (30) is connected to a power supply signal.

5. The testing device for the water output of a microporous atomizing sheet according to claim 1, characterized in that, The pressure detection module (40) comprises a strain gauge (41), a conversion circuit and an amplification circuit, the water storage tank (10), the test water tank (20) and the strain gauge (41) are sequentially arranged from top to bottom, the conversion circuit converts the pressure signal of the strain gauge (41) into a first voltage signal, and the amplification circuit amplifies the first voltage signal to obtain a second voltage signal and sends the second voltage signal to the control device (50).

6. The device for testing the water output of a microporous atomizing sheet according to claim 5, wherein The conversion circuit comprises a first resistor (R1), a second resistor (R2) and a fourth resistor (R4), the first end of the first resistor (R1) and the first end of the strain gauge (41) are connected to a power signal, the second end of the second resistor (R2) and the second end of the fourth resistor (R4) are connected to ground, the second end of the first resistor (R1) and the first end of the second resistor (R2) are connected and output a first signal, the second end of the strain gauge (41) and the first end of the fourth resistor (R4) are connected and output a second signal, wherein the first signal and the second signal constitute the first voltage signal.

7. The device for testing the water output of a microporous atomizing sheet according to claim 6, wherein The amplification circuit comprises a first amplifier (U1), a second amplifier (U2), a third amplifier (U3), a fifth resistor (R5), a sixth resistor (R6), a seventh resistor (R7), an eighth resistor (R8), a ninth resistor (R9), a tenth resistor (R10) and an eleventh resistor (R11), the first signal is input to the positive input end of the first amplifier (U1), the second signal is input to the positive input end of the second amplifier (U2), the first end of the fifth resistor (R5) and the first end of the sixth resistor (R6) are connected with the negative input end of the first amplifier (U1), the second end of the fifth resistor (R5) and the first end of the seventh resistor (R7) are connected with the negative input end of the second amplifier (U2), the sixth resistor (R6) and the first end of the eighth resistor (R8) are connected with the output end of the first amplifier (U1), the seventh resistor (R7) and the second end of the ninth resistor (R9) are connected with the first end of the ninth resistor (R9) and the output end of the second amplifier (U2), the second end of the eighth resistor (R8) and the first end of the eleventh resistor (R11) are connected with the negative input end of the third amplifier (U3), the second end of the ninth resistor (R9) and the first end of the tenth resistor (R10) are connected with the positive input end of the third amplifier (U3), the second end of the eleventh resistor (R11) is connected with the output end of the third amplifier (U3) and outputs the second voltage signal, and the second end of the tenth resistor (R10) is grounded.

8. The testing device for the water output of a microporous atomizing sheet according to claim 1, further comprising a water circulation module (70), wherein the water circulation module (70) comprises a water return tank (71) and a water pump (72), the water return tank (71) is connected with the testing water tank (20) through a pipeline, a second switch (62) is arranged on the testing water tank (20), the second switch (62) and the water pump (72) are electrically connected with the control device (50), and the second switch (62) is used for controlling whether the testing water tank (20) is connected with the water return tank (71). The water inlet of the water pump (72) is communicated with the water return tank (71), and the water outlet of the water pump (72) is communicated with the water storage tank (10).

9. The testing device for the water output of a microporous atomizing sheet according to claim 1, further comprising a water supplementing module, wherein the water supplementing module comprises a water supplementing tank and a water pump (72), the water supplementing tank is used for storing a supplementing liquid, the water inlet of the water pump (72) is communicated with the water supplementing tank, the water outlet of the water pump (72) is communicated with the water storage tank (10), and the water pump (72) is electrically connected with the control device (50). ​ ​ A third switch is arranged on the passage between the test water tank (20) and the atomizing piece (30), and the third switch is electrically connected with the control device (50), and the third switch is used for controlling whether the passage between the test water tank (20) and the atomizing piece (30) is communicated.

10. The testing device for the water output of a microporous atomizing sheet according to claim 1, characterized in that, A water level sensor is further included, and the water level sensor is electrically connected with the control device (50), and the water level sensor is at least configured to detect the water level of the test water tank (20) and feed back to the control device (50), so as to drive the control device (50) to control the opening or closing of the first switch (61).

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