Dishwasher, dishwasher control method and device

Abstract

The present invention discloses a dishwasher, a control method, and a device for a dishwasher. The control method includes: obtaining the current amount of rinse agent in a rinse agent storage device after the second-to-last rinse of the dishwasher is completed and before the first-to-last rinse of the dishwasher begins; when the current amount of rinse agent is less than a preset first threshold, performing the first-to-last rinse at a preset first rinse temperature, wherein the first rinse temperature is less than a second rinse temperature, and the second rinse temperature is the maximum temperature of the water in the inner tank during the first-to-last rinse when the current amount of rinse agent is greater than or equal to the first threshold. By lowering the rinse temperature during the first-to-last rinse, the generation of scale can be reduced, thereby preventing water marks on the surface of tableware.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to a dishwasher, and a control method and device for the dishwasher. Background Art

[0002] Dishwashers are a common appliance in today's kitchens. To improve drying efficiency and reduce water streaks, rinse aid is added during the penultimate rinse cycle. The non-surfactant in the rinse aid reduces the surface tension of water, preventing it from collecting as droplets on the surface of dishes. This increases the area over which water can evaporate and reduces residual water on the surfaces of dishes and within the dishwasher.

[0003] However, rinse agent is a consumable item that requires the user to manually add it to the rinse agent dispenser. Consequently, there are situations where the user may not be able to add rinse agent promptly after the rinse agent in the dispenser is used up. There are also situations where the user may not add rinse agent to the dispenser for various reasons, such as being unfamiliar with using rinse agent. Furthermore, if rinse agent is not used or is insufficient during the penultimate rinse, water marks may be left on the dishes after the rinse is complete. Summary of the Invention

[0004] In view of this, embodiments of the present invention provide a dishwasher, a method for controlling a dishwasher, and a device for controlling a dishwasher to solve the problem that water marks are likely to be left on dishes after rinsing.

[0005] According to a first aspect, an embodiment of the present invention provides a method for controlling a dishwasher, comprising the following steps: obtaining a current amount of rinse agent in a rinse agent storage device after the penultimate rinse of the dishwasher is completed and before the penultimate rinse of the dishwasher begins; when the current amount of the rinse agent is less than a preset first threshold value, performing the penultimate rinse using a preset first rinse temperature, wherein the first rinse temperature is less than a second rinse temperature, and the second rinse temperature is the maximum temperature of the rinsing water when the penultimate rinse is performed when the current amount of the rinse agent is greater than or equal to the first threshold value.

[0006] A dishwasher control method provided by an embodiment of the present invention determines whether the current amount of rinse agent in a rinse agent storage device is sufficient, i.e., whether the current amount of rinse agent is sufficient for the penultimate rinse. When the current amount is greater than a first threshold, it is considered that the amount of rinse agent in the rinse agent storage device is sufficient, and thus a sufficient amount of rinse agent can be used during the penultimate rinse. This is referred to as a normal rinse. When the current amount is less than or equal to the first threshold, it is considered that the amount of rinse agent in the rinse agent storage device is insufficient, and thus, no rinse agent can be used or an insufficient amount of rinse agent is used during the penultimate rinse. This is referred to as an abnormal rinse. In the dishwasher control method provided by an embodiment of the present invention, when no rinse agent can be used or an insufficient amount of rinse agent is used during the penultimate rinse, the rinse temperature during the penultimate rinse is lowered to reduce scale formation and prevent water marks on dishware surfaces.

[0007] Specifically, when the fan is not turned on before the penultimate rinse, the penultimate rinse is performed using the first rinsing temperature, and the fan is turned on; or, when the fan is turned on before the penultimate rinse, the penultimate rinse is performed using the first rinsing temperature, and the fan is further included: obtaining the current speed of the fan; determining the actual speed of the fan when the penultimate rinse is performed based on the current speed, wherein the actual speed is greater than the current speed; when the penultimate rinse is performed using the first rinsing temperature, the fan is further included: controlling the fan to rotate according to the actual speed.

[0008] Specifically, when the PTC heater is not turned on before the penultimate rinsing, performing the penultimate rinsing at the first rinsing temperature further includes turning on the PTC heater.

[0009] Specifically, the penultimate rinse using a preset first rinse temperature includes: controlling water to enter the inner tank; heating the water entering the inner tank using a preset heating device; obtaining the actual temperature of the water in the inner tank; when the actual temperature reaches the first rinse temperature, controlling the heating device to maintain the actual temperature of the water in the inner tank at a first heating time preset for the first rinse temperature.

[0010] Specifically, after controlling water to enter the inner tank of the dishwasher, the control method of the dishwasher also includes: continuing to obtain the current amount of rinse agent in the rinse agent storage device; when the current amount is greater than or equal to the first threshold, obtaining washing parameters, and judging whether the rinse agent meets the preset dispensing conditions according to the washing parameters; when the rinse agent meets the dispensing conditions, using the second rinsing temperature to perform the penultimate rinse; when the rinse agent does not meet the dispensing conditions, using the first rinsing temperature to perform the penultimate rinse.

[0011] Specifically, the washing parameter is the actual temperature of the water in the inner tank during the penultimate rinse, and judging whether the rinse agent meets the preset dispensing conditions based on the washing parameter includes: when the actual temperature is less than a preset second threshold, determining that the rinse agent meets the dispensing conditions; when the actual temperature is greater than or equal to the second threshold, determining that the rinse agent does not meet the dispensing conditions.

[0012] Specifically, the control method of the dishwasher further includes: when the current amount is greater than or equal to the first threshold, performing the penultimate rinse using the second rinsing temperature.

[0013] According to the second aspect, an embodiment of the present invention also provides a control device for a dishwasher, comprising an acquisition module and a rinsing module, wherein the acquisition module is used to acquire the current amount of rinse agent in a rinse agent storage device after the penultimate rinse of the dishwasher is completed and before the penultimate rinse of the dishwasher begins; when the current amount of the rinse agent is less than a preset first threshold value, the rinsing module is used to perform the penultimate rinse using a preset first rinse temperature, wherein the first rinse temperature is less than a second rinse temperature, and the second rinse temperature is the maximum temperature of the water in the inner tank when the penultimate rinse is performed when the current amount of the rinse agent is greater than the first threshold value.

[0014] According to a third aspect, an embodiment of the present invention further provides a dishwasher, comprising a rinse agent storage device, a rinse agent current amount acquisition device, and a controller, wherein the rinse agent storage device is used to store rinse agent; the rinse agent current amount acquisition device is used to acquire the current amount of the rinse agent in the rinse agent storage device; the rinse agent current amount acquisition device and the controller are communicatively connected to each other, the controller stores computer instructions, and the controller executes the dishwasher control method described in the first aspect by executing the computer instructions.

[0015] Specifically, the dishwasher further includes a fan and a PTC heater, and the fan and the PTC heater are connected to the controller.

[0016] According to a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute the control method of the dishwasher described in the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, which are schematic and should not be construed as limiting the present invention in any way. In the accompanying drawings:

[0018] Figure 1 Schematic diagram of the flow of the dishwasher control method in Example 1 of the present invention;

[0019] Figure 2 Schematic diagram of the structure of the rinsing part of the dishwasher in Example 1 of the present invention;

[0020] Figure 3 Schematic diagram of the structure of a dishwasher control device in Example 2 of the present invention;

[0021] Figure 4 This is a schematic structural diagram of a dishwasher in Example 3 of the present invention. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of the present invention.

[0023] It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0024] Example 1

[0025] Embodiment 1 of the present invention provides a method for controlling a dishwasher. Figure 1 FIG. 1 is a flow chart of a dishwasher control method according to Embodiment 1 of the present invention. Figure 2 Schematic diagram of the structure of the rinsing part of the dishwasher in Example 1 of the present invention. Figure 1 As shown, the dishwasher control method of embodiment 1 of the present invention includes the following steps:

[0026] S101 : After the second-to-last rinse of a dishwasher ends and before the first-to-last rinse of the dishwasher starts, obtaining a current amount of rinse agent in a rinse agent storage device.

[0027] For example, the current amount may be the current weight of the rinse agent or the current volume of the rinse agent.

[0028] Specifically, a weight sensor can be set in a rinse agent storage device, such as a rinse agent storage tank, to obtain the current weight of the rinse agent in the rinse agent storage tank through the weight sensor; an image sensor can also be set in the rinse agent storage tank to obtain the current volume of the rinse agent in the rinse agent storage tank based on the picture taken by the image sensor.

[0029] S102: When the current amount of the rinse agent is less than a preset first threshold value, the penultimate rinse is performed using a preset first rinse temperature, wherein the first rinse temperature is less than a second rinse temperature, and the second rinse temperature is the maximum temperature of the water in the inner tank when the penultimate rinse is performed when the current amount of the rinse agent is greater than the first threshold value.

[0030] like Figure 2 As shown, the water inlet, drain pump, heating device, washing pump, and water softening device are connected to a controller. When rinsing is required, the controller controls the water inlet, allowing water to flow through and into the dishwasher's inner tank. Before the water enters the tank, the controller controls the heating device to heat the water. The controller also controls the water softening device to soften the water. After the water enters the tank, the controller controls the washing pump to perform the rinse. After rinsing, the drain pump drains the water from the tank. The controller also connects the fan, PTC heater, and rinse dosage acquisition device.

[0031] Specifically, the penultimate rinse using a preset first rinse temperature can be performed using the following scheme: controlling water to enter the inner tank; using a preset heating device to heat the water entering the inner tank; obtaining the actual temperature of the water in the inner tank; when the actual temperature reaches the first rinse temperature, controlling the heating device to maintain the actual temperature of the water in the inner tank at the first heating time preset for the first rinse temperature.

[0032] Specifically, the penultimate rinse using the preset second rinse temperature can adopt the following scheme: control the water to enter the inner tank; use a preset heating device to heat the water entering the inner tank; obtain the actual temperature of the water in the inner tank; when the actual temperature reaches the second rinse temperature, control the heating device to maintain the actual temperature of the water in the inner tank at the second heating time preset for the second rinse temperature.

[0033] The above-described dishwasher control method determines whether the current amount of rinse agent in the rinse agent storage device is sufficient, i.e., whether the current amount of rinse agent is sufficient for the penultimate rinse, by obtaining the current amount of rinse agent in the rinse agent storage device after the penultimate rinse ends and before the penultimate rinse begins. When the current amount is greater than a first threshold, it is considered that the amount of rinse agent in the rinse agent storage device is sufficient, and thus a sufficient amount of rinse agent can be used during the penultimate rinse. This is referred to as a normal rinse. When the current amount is less than or equal to the first threshold, it is considered that the amount of rinse agent in the rinse agent storage device is insufficient, and thus, no rinse agent can be used or an insufficient amount of rinse agent is used during the penultimate rinse. This is referred to as an abnormal rinse, also known as a compensatory rinse. When no rinse agent can be used or an insufficient amount of rinse agent is used during the penultimate rinse, the rinse temperature during the penultimate rinse is lowered to reduce scale formation and prevent water marks on the dishware surfaces.

[0034] This is because, to improve drying efficiency and reduce water streaks, when the last rinse is a normal rinse (i.e., when the rinse agent is sufficient for the last rinse), a higher rinse temperature is typically required. This means the second rinse temperature is higher. For example, the second rinse temperature is 70-75°C. This is because dishwasher rinse agent contains citric acid as a primary ingredient, making the solution slightly acidic. Citric acid, currently used as a component of descaling agents on the market, reacts with calcium carbonate and magnesium hydroxide, the primary components of scale, to form soluble salts when added to water. This salt does not remain on the surface of the dishes, thus preventing scale and water streaks.

[0035] However, when the last rinse is an abnormal rinse, that is, when the rinse agent is insufficient for the last rinse, during the last rinse, due to the lack of rinse agent or insufficient rinse agent, rinsing at the second rinse temperature may produce scale, further resulting in water marks on the tableware after the rinse is completed. The control method of the dishwasher of Example 1 of the present invention can reduce the generation of scale and avoid water marks on the surface of the tableware by lowering the rinse temperature during the last rinse when rinse agent cannot be used or the amount of rinse agent is insufficient during the last rinse. For example, the first rinse temperature can be 45-55°C.

[0036] Different dishwashers may be set with different first thresholds.

[0037] As a further specific embodiment of the first embodiment, if the fan is not turned on before the penultimate rinse, the fan is turned on during the penultimate rinse at the first rinse temperature. Thus, during the penultimate rinse, turning on the fan accelerates air convection in the dishwasher's inner tank, thereby quickly discharging moisture from the inner tank and accelerating dish drying.

[0038] This is because the first rinse temperature is lower than the second rinse temperature, so when the first rinse temperature is used for the last rinse, the drying time will be longer; at this time, by turning on the fan, the moisture in the inner tank can be quickly discharged, accelerating the drying of the dishes.

[0039] As a second further specific implementation, when the fan is turned on before the penultimate rinse is performed, before the penultimate rinse is performed using the first rinsing temperature, the method further includes: obtaining the current speed of the fan; determining the actual speed of the fan when performing the penultimate rinse based on the current speed, wherein the actual speed is greater than the current speed. When performing the penultimate rinse using the first rinsing temperature, the method further includes: controlling the fan to rotate according to the actual speed. In this way, during the penultimate rinse, by increasing the fan speed, the air convection in the inner tank of the dishwasher can be accelerated, thereby quickly discharging moisture from the inner tank and accelerating the drying of the dishes. For example, the fan speed can be increased by 500 to 2000 rpm.

[0040] As a third further implementation, when the PTC heater is not turned on before the penultimate rinse, when the penultimate rinse is performed using the first rinse temperature, it further includes: turning on the PTC heater. Thus, during the penultimate rinse, by turning on the PTC heater, the airflow in the inner tank can accommodate more saturated water vapor, thereby accelerating the drying of the dishes in the dishwasher, further improving the drying efficiency, and achieving a better effect of drying the dishes. For example, the time for turning on the PTC heater is 10 to 30 minutes.

[0041] That is, in embodiment 1 of the present invention, the compensation rinse can be performed in the following ways:

[0042] Method 1: using the first rinsing temperature to perform the penultimate rinsing can be called a compensation rinse;

[0043] The second method is: using the first rinsing temperature to perform the penultimate rinse, while turning on the fan or increasing the fan speed;

[0044] Method three is: using the first rinsing temperature to perform the penultimate rinse, while turning on the PTC heater;

[0045] Method 4: performing the penultimate rinse at the first rinse temperature, while turning on the fan and the PTC heater;

[0046] Method five is: using the first rinsing temperature to perform the penultimate rinse, while increasing the fan speed and turning on the PTC heater.

[0047] As a fourth further embodiment, after the control water for the compensation rinse enters the inner tank of the dishwasher, the method further includes the following: continuing to obtain the current amount of rinse agent in the rinse agent storage device; when the current amount is greater than or equal to the first threshold, obtaining washing parameters, and determining whether the rinse agent meets the preset dispensing conditions based on the washing parameters; when the rinse agent meets the dispensing conditions, performing the penultimate rinse at the second rinse temperature; when the rinse agent does not meet the dispensing conditions, performing the penultimate rinse at the first rinse temperature. That is, during the penultimate rinse, after the user adds rinse agent to the rinse agent dispensing device, the rinse agent in the rinse agent dispensing device is sufficient for the penultimate rinse, and it is then necessary to determine whether the rinse agent can be dispensed into the inner tank. If the rinse agent can be dispensed into the inner tank, since there is rinse agent in the inner tank, normal rinsing can be performed, that is, the penultimate rinse can be performed using the second rinse temperature; if the rinse agent cannot be dispensed into the inner tank, since there is no rinse agent in the inner tank, a compensation rinse is still required.

[0048] It should be noted that when the penultimate rinse is performed using the second rinsing temperature, the drying effect is better due to the higher temperature of the water, and the fan and / or PTC heater may not be turned on at this time.

[0049] The washing parameter is the actual temperature of the water in the inner tank during the penultimate rinse. Specifically, determining whether the rinse agent meets the preset dispensing condition based on the washing parameter can be performed using the following method: when the actual temperature is less than a preset second threshold, the rinse agent is determined to meet the dispensing condition; when the actual temperature is greater than or equal to the second threshold, the rinse agent is determined to not meet the dispensing condition.

[0050] In summary, the dishwasher control method provided in Example 1 of the present invention has the following beneficial effects: upon detecting that there is no rinse agent or an insufficient amount of rinse agent in the rinse agent dispenser, a mechanism for compensating for the effect of the rinse agent is automatically activated; upon detecting that the user has replenished the rinse agent, this compensation mechanism is terminated and the use of the rinse agent is resumed. This prevents water marks on the surface of dishware.

[0051] Example 2

[0052] Corresponding to the first embodiment of the present invention, the second embodiment of the present invention provides a control device for a dishwasher. Figure 3 As shown, the dishwasher control device according to embodiment 2 of the present invention includes an acquisition module 20 and a rinsing module 21 .

[0053] After the penultimate rinse of the dishwasher is completed and before the penultimate rinse of the dishwasher, the obtaining module 21 is used to obtain the current amount of the rinse agent in the rinse agent storage device;

[0054] When the current amount of the rinse agent is less than a preset first threshold value, the rinsing module 21 is used to perform the penultimate rinse using a preset first rinsing temperature, wherein the first rinsing temperature is less than a second rinsing temperature, and the second rinsing temperature is the maximum temperature of the water in the inner tank when the penultimate rinse is performed when the current amount of the rinse agent is greater than the first threshold value.

[0055] Specifically, when the fan is not turned on before the penultimate rinsing, the rinsing module 21 is further configured to turn on the fan when the penultimate rinsing is performed using the first rinsing temperature.

[0056] Specifically, when the fan is not turned on before the penultimate rinse, the obtaining module 21 is further configured to obtain a current speed of the fan before the penultimate rinse is performed at the first rinse temperature. The rinsing module 21 is further configured to: determine an actual speed of the fan during the penultimate rinse based on the current speed, where the actual speed is greater than the current speed; and control the fan to rotate at the actual speed when the penultimate rinse is performed at the first rinse temperature.

[0057] Specifically, when the fan is not turned on before the penultimate rinsing, the rinsing module 21 is further configured to turn on the PTC heating element when the penultimate rinsing is performed using the first rinsing temperature.

[0058] Specifically, the rinsing module 21 is specifically used to: control the entry of water into the inner tank; use a preset heating device to heat the water entering the inner tank; obtain the actual temperature of the water in the inner tank; when the actual temperature reaches the first rinsing temperature, control the heating device to maintain the actual temperature of the water in the inner tank at the first heating time preset for the first rinsing temperature.

[0059] Furthermore, after controlling the water to enter the inner tank of the dishwasher, the acquisition module 20 is also used to: continue to obtain the current amount of rinse agent in the rinse agent storage device; when the current amount is greater than or equal to the first threshold, the acquisition module 20 is also used to: obtain washing parameters; the rinsing module 21 is also used to: determine whether the rinse agent meets the preset dispensing conditions based on the washing parameters; when the rinse agent meets the dispensing conditions, use the second rinsing temperature to perform the penultimate rinse; when the rinse agent does not meet the dispensing conditions, use the first rinsing temperature to perform the penultimate rinse.

[0060] The specific details of the above dishwasher control device can be found in Figures 1 to 2 The corresponding descriptions and effects in the embodiments shown can be understood and will not be repeated here.

[0061] Example 3

[0062] Embodiment 3 of the present invention further provides a dishwasher, such as Figure 4 As shown, the dishwasher includes a rinse agent storage device, a rinse agent current amount acquisition device 40 and a controller, wherein the rinse agent current amount acquisition device 40 and the controller are communicatively connected with each other, and the controller includes a processor 41 and a memory 42.

[0063] The rinse agent storage device is used to store the rinse agent; the rinse agent current amount acquisition device 40 is used to acquire the current amount of the rinse agent in the rinse agent storage device.

[0064] The processor 41 may be a central processing unit (CPU). The processor 41 may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or a combination of the above chips.

[0065] The memory 42 is a non-transitory computer-readable storage medium that can be used to store non-transitory software programs, non-transitory computer executable programs and modules, such as the program instructions / modules corresponding to the dishwasher control method in Example 1 of the present invention (for example, Figure 3The processor 41 executes various functional applications and data processing of the processor by running the non-transitory software programs, instructions and modules stored in the memory 42, that is, implementing the control method of the dishwasher in the above method embodiment.

[0066] The memory 42 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and application programs required for at least one function; the data storage area may store data created by the processor 41, etc. In addition, the memory 42 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some embodiments, the memory 42 may optionally include a memory remotely located relative to the processor 41, and these remote memories may be connected to the processor 41 via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0067] The one or more modules are stored in the memory 42 and when executed by the processor 41, perform the following steps: Figures 1 and 2 The control method of the dishwasher in the illustrated embodiment.

[0068] For details of the above dishwashers, please refer to Figures 1 to 3 The corresponding descriptions and effects in the embodiments shown can be understood and will not be repeated here.

[0069] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the embodiments of the above-mentioned methods. The storage medium can be a magnetic disk, an optical disk, a read-only memory (ROM), a random access memory (RAM), a flash memory, a hard disk drive (HDD), or a solid-state drive (SSD). The storage medium can also include a combination of the above-mentioned types of memory.

[0070] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention. Such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A method for controlling a dishwasher, characterized in that: include: obtaining a current amount of rinse agent in the rinse agent storage device after a penultimate rinse of the dishwasher ends and before a penultimate rinse of the dishwasher begins; When the current amount of the rinse agent is less than a preset first threshold value, the penultimate rinse is performed using a preset first rinse temperature, wherein the first rinse temperature is less than a second rinse temperature, and the second rinse temperature is the maximum temperature of the water in the inner tank when the penultimate rinse is performed when the current amount of the rinse agent is greater than or equal to the first threshold value.

2. The method according to claim 1, characterized in that When the fan is not turned on before the penultimate rinsing is performed, when the penultimate rinsing is performed using the first rinsing temperature, the method further includes: Turning on the fan; Alternatively, when the fan is already turned on before the penultimate rinsing, before the penultimate rinsing is performed using the first rinsing temperature, the method further includes: Obtaining a current speed of the fan; determining an actual speed of the fan when performing the penultimate rinse according to the current speed, wherein the actual speed is greater than the current speed; When the penultimate rinse is performed using the first rinsing temperature, the method further includes: controlling the fan to rotate according to the actual speed.

3. The method according to claim 1, characterized in that When the PTC heater is not turned on before the penultimate rinsing is performed, when the penultimate rinsing is performed using the first rinsing temperature, the method further includes: Turn on the PTC heating element.

4. The method according to any one of claims 1 to 3, characterized in that The performing the penultimate rinsing using the preset first rinsing temperature includes: controlling water to enter the inner tank; Using a preset heating device to heat the water entering the inner tank; Obtaining the actual temperature of the water in the inner tank; When the actual temperature reaches the first rinsing temperature, the heating device is controlled to maintain the actual temperature of the water in the inner pot at the first rinsing temperature for a preset first heating time.

5. The method according to claim 4, characterized in that After controlling the water to enter the inner tank of the dishwasher, the method further comprises: continuing to obtain the current amount of rinse agent in the rinse agent storage device; When the current amount is greater than or equal to the first threshold, obtaining washing parameters, and determining whether the rinse agent meets the preset dispensing conditions according to the washing parameters; When the rinse agent meets the dispensing condition, the penultimate rinse is performed using the second rinse temperature; When the rinse agent does not meet the dispensing condition, the penultimate rinse is performed using the first rinse temperature.

6. The method according to claim 5, characterized in that The washing parameter is the actual temperature of the water in the inner tank during the penultimate rinse, and judging whether the rinse agent meets the preset dispensing conditions according to the washing parameter includes: When the actual temperature is less than a preset second threshold, it is determined that the rinse agent meets the dispensing condition; When the actual temperature is greater than or equal to the second threshold, it is determined that the rinse agent does not meet the dispensing condition.

7. The method according to claim 1, characterized in that Also includes: When the current amount is greater than or equal to the first threshold, the penultimate rinsing is performed using the second rinsing temperature.

8. A control device for a dishwasher, characterized in that: include: an acquisition module, configured to acquire a current amount of rinse agent in the rinse agent storage device after the penultimate rinse of the dishwasher ends and before the penultimate rinse of the dishwasher begins; A rinsing module, when the current amount of the rinse agent is less than a preset first threshold value, the rinsing module is used to use a preset first rinsing temperature to perform the penultimate rinse, wherein the first rinsing temperature is less than a second rinsing temperature, and the second rinsing temperature is the maximum temperature of the water in the inner tank when the penultimate rinse is performed when the current amount of the rinse agent is greater than the first threshold value.

9. A dishwasher, characterized in that: include: a rinse agent storage device for storing rinse agent; a current amount of rinsing agent obtaining device, for obtaining the current amount of the rinsing agent in the rinsing agent storage device; The controller is communicatively connected to the device for obtaining the current amount of rinse agent. The controller stores computer instructions. The controller executes the method for controlling the dishwasher according to any one of claims 1 to 7 by executing the computer instructions.

10. The dishwasher according to claim 9, characterized in that It also includes a fan and a PTC heating element, and the fan and the PTC heating element are connected to the controller.

11. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the control method of the dishwasher according to any one of claims 1 to 7.

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