CN221331100U - Dish-washing machine - Google Patents

Abstract

The present utility model relates to a dishwasher, comprising: a dishwasher body provided with a washing chamber; a spray arm assembly configured to spray wash water to the wash chamber; the water supply mechanism comprises a water suction pump and a heating pump, the water suction pump is used for supplying washing water to the washing cavity, and the heating pump is used for heating the washing water and supplying the washing water to the spray arm assembly for use; the heating device is provided with a fluid channel, the water suction pump is communicated with the washing cavity through the fluid channel, and the heating device is used for heating washing water in the fluid channel. The dishwasher disclosed by the utility model is provided with the water suction pump communicated with the washing cavity, and the independent heating device is arranged on the waterway communicated with the water suction pump and the washing cavity, so that the washing water can be quickly heated to a high-temperature disinfection standard when flowing through the fluid channel, thereby solving the problem of bubbles generated when the water temperature heated by the water pump is too high, and the heating efficiency can be effectively improved by utilizing the matched use of the combination of the heating pump, the water suction pump and the heating device.

Description

Dish-washing machine

Technical Field

The utility model relates to the technical field of dish washers, in particular to a dish washer.

Background

The long washing time of the dish washer is always a problem of user's trouble, and the heating link of the washing water in the washing time occupies most. The water temperature of the common high-temperature washing of the dish washing machine on the market is between 70 and 75 ℃, and along with the increasing demand of the current domestic market on the dish washing machine sterilization, the high-temperature sterilization is used as the sterilization mode which is most directly perceived by users and is most acceptable, and the domestic sterilization standard requires the water temperature to reach more than 80 ℃ for more than half an hour so as to reach the 5-star sterilization standard, so that the water temperature requirement of the dish washing machine is also higher.

At present, the conventional dish washing machine cleaning and heating modes are generally divided into two types: the first is to integrate a heating module on the washing pump, and heat the washing pump while pumping water when the washing pump works, and the second is to set a heating disc on the bottom of the inner container to directly heat the water at the bottom of the inner container. Compared with the second mode, the first mode can simplify the bottom structure of the liner and avoid potential safety hazards caused by direct contact of a user with the exposed heating plate, so that the first mode is a mainstream heating mode in the market at present. However, since the limit current of the dish washer is limited, it is difficult to shorten the heating time by increasing the power, and in addition, when the temperature of the water is above 80 ℃, the impeller cavity is easy to generate heating bubbles, so that the washing pump cannot work normally; the second heating plate mode has a greater risk of scalding users at high temperatures above 80 degrees. Therefore, how to achieve efficient heating of the washing water becomes a problem to be solved.

Disclosure of utility model

Based on the above, it is necessary to provide a dish washer aiming at the problems that the heating efficiency of the dish washer is low, and the heating bubbles are easily generated in the impeller cavity when the water temperature is too high, so that the washing pump cannot work normally, and the washing function of the dish washer is affected.

A dishwasher, comprising: a dishwasher body provided with a washing chamber; a spray arm assembly disposed on the dishwasher body, the spray arm assembly configured to spray wash water to the wash chamber; the water supply mechanism is arranged on the dish washer main body and comprises a water suction pump and a heating pump, the water suction pump is used for supplying washing water to the washing cavity, and the heating pump is used for heating the washing water and supplying the washing water to the spray arm assembly for use; the heating device is provided with a fluid channel, the water suction pump is communicated with the washing cavity through the fluid channel, and the heating device is used for heating washing water flowing through the fluid channel; the control device is arranged on the dish washer main body and is respectively and electrically connected with the water suction pump, the heating pump and the heating device.

The application discloses a dish washer, wherein a water supply mechanism is provided with a heating pump communicated with a spray arm assembly, and can heat washing water while pumping water so as to improve the decontamination capability of the washing water; meanwhile, the water pump is also arranged to be communicated with the washing cavity, an independent heating device is arranged on a waterway communicated with the water pump and the washing cavity, and the washing water is rapidly heated to a high-temperature sterilization standard when flowing through a fluid channel of the heating device so as to realize the high-temperature sterilization function of the dish washer, so that the problem of bubbles generated when the water temperature of the water pump and the heating water pump is too high is solved, and the water pressure of the heating pump supplied to the spray arm assembly can be ensured not to be influenced by diversion through the water supply of the independent water pump. Through adopting above-mentioned structure, utilize the cooperation of heat pump and water suction pump and heating device combination to use, still can effectively promote heating efficiency and shorten the heating time, and then reach the purpose of shortening washing time, the while still is convenient for dish washer according to the outflow direction and the heating temperature of specific washing mode control washing water to be favorable to improving dish washer's washing efficiency and energy saving.

In one embodiment, the water supply mechanism further comprises a first pipeline, one end of the first pipeline is communicated with a first pump outlet of the water suction pump, the other end of the first pipeline is communicated with the washing cavity, and the heating device is arranged on the first pipeline. The water suction pump is communicated with the washing cavity through a first pipeline, and the heating device is arranged on the first pipeline, so that washing water can be heated by the heating device until the washing water meets the high-temperature disinfection standard when flowing through the fluid channel, and then is output to the washing cavity. Meanwhile, through the arrangement of the first pipeline, the reasonable arrangement of parts such as a water supply mechanism, a heating device and the like by an installer can be facilitated, so that the space utilization rate of the dish washer is improved.

In one embodiment, the water supply mechanism further comprises a one-way valve, the one-way valve is arranged on the first pipeline, the one-way valve is positioned at one end of the heating device, which is close to the water suction pump, and the one-way valve is used for preventing the washing liquid entering the fluid channel from flowing back into the water suction pump. Through the setting of check valve, can prevent through the washing water after heating device high temperature heating in the first pipeline backward flow to the suction pump to avoid the suction pump impeller intracavity water temperature to produce the condition emergence that the heating bubble leads to the suction pump unable normal work easily when too high, ensure that the suction pump can stabilize the pump water.

In one embodiment, the water supply mechanism further comprises a water cup, the water cup is arranged on the dish washer main body, the water cup is respectively communicated with the water suction pump and the heating pump, the heating pump is used for conveying washing water in the water cup to the spray arm assembly, and the heating pump is used for conveying washing water in the water cup to the washing cavity. Through set up the drinking cup and be used for storing wash water on the dish washer main part, the first pump entry of suction pump and the second pump entry of heating pump can be respectively with drinking cup lug connection with the washing water pump in the drinking cup to washing chamber and spray arm subassembly etc. the setting of drinking cup can make things convenient for the user to carry out operations such as water making, purification filtration and detergent input to deal with temporary water cut-off condition.

In one embodiment, the water cup is located at the bottom of the dishwasher body, the water cup being in communication with the wash chamber. Through adopting above-mentioned structure, the washing water that gets into the washing intracavity will fall to washing chamber bottom and further flow back to the drinking cup in the middle of the effect of gravity after wasing the tableware, can form water circulation system from this, under the condition that does not use a large amount of water sources, thoroughly clean the tableware, can also practice thrift detergent and energy simultaneously to convenient operation is favorable to improving dish washer washing efficiency.

In one embodiment, the water supply mechanism further comprises a water inlet assembly, the water inlet assembly is communicated with an external water source and is used for conveying washing water to the water cup or the washing cavity, and the water inlet assembly is electrically connected with the control device. Through the setting of the subassembly that intakes, when the user starts the washing procedure, the control device can control the subassembly that intakes and outside water source intercommunication and to drinking cup or washing chamber input wash water, can simplify manual operation from this, make the washing work more convenient, still can realize the quantitative control of wash water simultaneously to confirm the input parameter of detergent, be favorable to improving cleaning efficiency.

In one embodiment, the heating device comprises a housing provided with the fluid channel and a first heating assembly arranged on the housing assembly and electrically connected with the control device, and the first heating assembly is used for heating the washing water in the fluid channel. The first heating component is arranged on the shell, the input end of the fluid channel of the shell is communicated with the first pump outlet of the water suction pump, after the first heating component is used for heating the washing water conveyed into the fluid channel by the water suction pump, the washing water flows out through the output end of the fluid channel and is conveyed to the washing cavity, and therefore an independent heating device can be formed on a waterway of a washing system of the dish washer, the washing water temperature of a high-temperature washing link can better meet the high-temperature disinfection standard, and the influence on the water suction pump is avoided.

In one embodiment, the casing comprises a casing body, a first connecting column and a second connecting column, the first connecting column and the second connecting column are respectively arranged at two ends of the casing body, the casing body is provided with a liquid passing cavity, the first connecting column is provided with a liquid inlet, the second connecting column is provided with a liquid outlet, the liquid inlet, the liquid passing cavity and the liquid outlet are sequentially communicated to form the fluid channel, and the first heating component is arranged on the casing body.

In one embodiment, the heating device further comprises a securing assembly disposed on the housing for mating installation with the dishwasher body outer wall. The fixing component is used for fixing the heating device on the dish washer body, so that the heating device can be stably arranged, and the heating device is not easy to loosen when being connected with the dish washer body and the water suction pump.

In one embodiment, the fixing assembly comprises a mounting housing provided with a mounting cavity, the housing is arranged on the mounting housing, at least part of the first heating assembly and at least part of the housing are located in the mounting cavity, and a positioning hole is formed in a mounting wall of the mounting housing and is used for being mounted in a matched mode with a positioning pin on the dish washer body. Through the setting of installation shell, make things convenient for heating device to be fixed in on the dish washer main part through the installation shell on the one hand, on the other hand the installation shell is equipped with the installation cavity and is used for installing first heating element and casing to can form the protection to first heating element and casing and keep apart, when protecting first heating element and casing, also can reduce the heat emission of first heating element and cause the loss. The locating holes are formed in the installation wall of the installation shell, and when the heating device is installed on the dish-washing machine main body, the locating holes in the installation wall of the installation shell can be aligned and connected with locating pins in the dish-washing machine main body, so that a locating effect is formed on the heating device, and the quick installation of the heating device is facilitated.

In one embodiment, the fixing assembly further comprises a positioning plate, the positioning plate is partially located in the installation cavity, the positioning plate is arranged opposite to the installation wall of the installation shell, one end of the positioning plate is arranged on the end wall of the shell, the other end of the positioning plate extends out of the installation cavity, the positioning plate is provided with a first connecting hole, and the first connecting hole is used for being connected with a second connecting hole in the dish washer body through pin shaft matching. The first connecting hole on the positioning plate is connected with the second connecting hole of the dish washer main body by the pin shaft, so that the positioning plate can be matched with the mounting shell to finish the rapid positioning and mounting of the heating device, the heating device is ensured to be firmly mounted, and loose offset is not easy to occur.

In one embodiment, the dishwasher body outer wall is formed with a mounting block for fitting with the securing assembly. Through setting up the installation piece, the installation piece can be with fixed subassembly cooperation, fixes a position heating device and installs, effectively improves the installation rate.

In one embodiment, the mounting block is formed with the locating pin.

In one embodiment, the mounting block is provided with the second connection hole.

In one embodiment, the heating device further comprises a temperature controller, the temperature control component is arranged on the shell and/or the fixing component, the temperature controller is electrically connected with the first heating component, and the temperature controller is used for controlling the working temperature of the first heating component. Through the setting of temperature controller, can be convenient for carry out thermostatic control to first heating element's heating temperature, can adjust the operating temperature when needs so that the wash water temperature in the fluid channel heaies up fast, improves heating efficiency.

In one embodiment, the heating device further includes a temperature sensor, the temperature sensor is disposed on the housing, the temperature sensor is configured to detect a temperature of the liquid in the fluid channel, the temperature sensor is electrically connected to the temperature controller, and the temperature controller is configured to receive a temperature signal of the temperature sensor and control the first heating component to operate according to the received temperature signal. The temperature value of the liquid in the fluid channel can be obtained in real time through the arrangement of the temperature sensor, so that the water temperature in the fluid channel is ensured to be within the standard temperature value range under the cooperation of the temperature sensor and the temperature controller, and on one hand, the problem that the disinfection effect is affected due to the fact that the water temperature is lower than the temperature standard and the water temperature reaches the standard for a long time is effectively avoided; on the other hand, when the water temperature reaches a proper value, the water temperature can be better controlled in a constant temperature state, the condition that the water temperature is too high to cause energy waste is avoided, and therefore the heating efficiency of the heating device is improved.

In one embodiment, the heating device further comprises a fuse, wherein the fuse is arranged on the shell and/or the fixing component, and the fuse is used for cutting off the connection between the first heating component and the power supply so as to realize high-current protection of the circuit. The fuse is used as an overcurrent protection device and is used for disconnecting the power supply of the whole device when the current of the first heating component is overlarge, so that the effect of preventing damage to electronic equipment is achieved.

In one embodiment, the heating pump comprises a motor, a pump housing, an impeller and a second heating assembly, wherein the motor and the second heating assembly are respectively arranged on the pump housing, the pump housing is provided with a pump chamber, a second pump inlet and a second pump outlet which are communicated with the pump chamber, the impeller is arranged in the pump chamber, and the impeller is electrically connected with the motor. Through adopting above-mentioned structure, can produce when the motor drives the impeller and drive the washing water from the second pump entry drive power of second pump export of flowing into, the second heating element sets up simultaneously and can heat rivers on the pump case, makes the detersive power of washing water promote through the promotion temperature.

Drawings

FIG. 1 is an exploded view of a dishwasher of an embodiment;

FIG. 2 is a perspective view of a dishwasher of an embodiment;

FIG. 3 is a perspective view of a heating device according to an embodiment;

FIG. 4 is an enlarged view of area A of FIG. 1;

fig. 5 is a perspective view of a heat pump according to an embodiment.

Wherein, the correspondence between the reference numerals and the component names is:

1 a dishwasher main body, 101 a washing cavity, 102 a second connecting hole, 11 a mounting block and 111 a positioning pin;

2a water supply mechanism, 201 a first pump inlet, 202a second pump outlet, 203 a second pump inlet, 204 a second pump outlet, 21a water suction pump, 22 a heat pump, 221 a pump housing, 222 a second heating assembly, 23 a water cup, 24 a first pipeline;

3 heating device, 301 liquid outlet, 302 liquid inlet, 303 installation cavity, 304 locating hole, 305 first connecting hole, 31 casing, 32 first heating component, 33 fixed subassembly, 331 installation shell, 332 locating plate, 34 temperature controller, 35 fuse.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

Some embodiments of the dishwasher according to the present invention are described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment discloses a dishwasher, comprising: a dishwasher body 1, the dishwasher body 1 being provided with a washing chamber 101; a spray arm assembly provided on the dishwasher body 1, the spray arm assembly configured to spray wash water to the wash chamber 101; a water supply mechanism 2, the water supply mechanism 2 is arranged on the dish washer main body 1, the water supply mechanism 2 comprises a water suction pump 21 and a heating pump 22, the water suction pump 21 is used for supplying washing water to the washing cavity 101, and the heating pump 22 is used for heating the washing water and supplying the washing water to the spray arm assembly for use; the heating device 3, the heating device 3 is provided with a fluid channel, the water suction pump 21 is communicated with the washing cavity 101 through the fluid channel, and the heating device 3 is used for heating washing water flowing in the fluid channel; and a control device arranged on the dish washer body 1 and electrically connected with the water suction pump 21, the heating pump 22 and the heating device 3 respectively.

The application discloses a dish washer, wherein a water supply mechanism 2 is provided with a heating pump 22 communicated with a spray arm assembly, and can heat washing water while pumping water so as to improve the decontamination capability of the washing water; meanwhile, the water suction pump 21 is also arranged to be communicated with the washing cavity 101, the independent heating device 3 is arranged on a waterway communicated with the water suction pump 21 and the washing cavity 101, washing water is rapidly heated to a high-temperature disinfection standard when flowing through a fluid channel of the heating device 3, so that the high-temperature disinfection function of the dish washer is realized, the problem of bubbles generated when the water suction pump 21 and the heating pump 22 heat water at too high temperature is solved, and water is supplied through the independent water suction pump 21, so that the water pressure of the heating pump 22 supplied to the spray arm assembly is not influenced by diversion. Through adopting above-mentioned structure, utilize the cooperation of heat pump 22 and water suction pump 21 and heating device 3 combination to use, still can effectively promote heating efficiency and shorten the heating time, and then reach the purpose of shortening washing time, the while still is convenient for dish washer according to the outflow direction and the heating temperature of specific washing mode control washing water to be favorable to improving dish washer's washing efficiency and energy saving.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: the water supply mechanism 2 further includes a first pipe 24, one end of the first pipe 24 communicates with the first pump outlet 202 of the suction pump 21, the other end of the first pipe 24 communicates with the washing chamber 101, and the heating device 3 is provided on the first pipe 24. The water suction pump 21 is communicated with the washing cavity 101 through the first pipeline 24, and the heating device 3 is arranged on the first pipeline 24, so that when washing water flows through the fluid channel, the washing water can be heated by the heating device 3 until the washing water meets the high-temperature disinfection standard, and then the washing water is output to the washing cavity 101. Meanwhile, through the arrangement of the first pipeline 24, the reasonable arrangement of the water supply mechanism 2, the heating device 3 and other parts by an installer can be facilitated, so that the space utilization rate of the dish washer is improved.

In addition to the features of the above embodiments, the present embodiment further defines: the water supply mechanism 2 further includes a check valve provided on the first pipe 24 at one end of the heating device 3 near the water suction pump 21, the check valve being for preventing the washing liquid introduced into the fluid passage from flowing back into the water suction pump 21. Through the setting of check valve, can prevent through the washing water after heating device 3 high temperature heating back to the suction pump 21 in through first pipeline 24 to avoid the suction pump 21 impeller intracavity water temperature to produce the condition emergence that the heating bubble leads to suction pump 21 unable normal work easily when too high, ensure that suction pump 21 can stabilize the pump water.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: the water supply mechanism 2 further comprises a water cup 23, the water cup 23 is arranged on the dish washer main body 1, the water cup 23 is respectively communicated with the water suction pump 21 and the heating pump 22, the heating pump 22 is used for conveying washing water in the water cup 23 to the spray arm assembly, and the heating pump 22 is used for conveying washing water in the water cup 23 to the washing cavity 101. By providing the water cup 23 on the dishwasher body 1 for storing washing water, the first pump inlet 201 of the water suction pump 21 and the second pump inlet 203 of the heating pump 22 can be respectively and directly connected with the water cup 23 to pump the washing water in the water cup 23 to the washing chamber 101, the spray arm assembly and the like, and the water cup 23 can facilitate operations such as water making, purifying and filtering, detergent throwing and the like by a user so as to cope with temporary water cut-off conditions.

As shown in fig. 2, this embodiment further defines, in addition to the features of the above-described embodiment: the water cup 23 is positioned at the bottom of the dishwasher body 1, and the water cup 23 communicates with the washing chamber 101. Through adopting above-mentioned structure, the washing water that gets into in the washing chamber 101 will fall to washing chamber 101 bottom and further flow back to in the middle of the drinking cup 23 under the action of gravity after wasing the tableware, can form water circulation system from this, under the condition that does not use a large amount of water sources, thoroughly clean the tableware, can also practice thrift detergent and energy simultaneously to convenient operation is favorable to improving dish washer washing efficiency.

In addition to the features of the above embodiments, the present embodiment further defines: the water supply mechanism 2 further comprises a water inlet assembly, the water inlet assembly is communicated with an external water source, the water inlet assembly is used for conveying washing water to the water cup 23 or the washing cavity 101, and the water inlet assembly is electrically connected with the control device. Through the setting of the subassembly that intakes, when the user starts the washing procedure, the control device can control the subassembly that intakes and outside water source intercommunication and to the wash water of drinking cup 23 or washing chamber 101 input, can simplify manual operation from this, make the washing work more convenient, still can realize the quantitative control of wash water simultaneously to confirm the input quantity parameter of detergent in order to be favorable to improving cleaning efficiency.

As shown in fig. 2 and 3, this embodiment further defines, in addition to the features of the above-described embodiment: the heating device 3 comprises a housing 31 and a first heating component 32, the housing 31 is provided with a fluid channel, the first heating component 32 is arranged on the housing 31, the first heating component 32 is electrically connected with the control device, and the first heating component 32 is used for heating the washing water in the fluid channel. The first heating component 32 is arranged on the shell 31, the input end of the fluid channel of the shell 31 is communicated with the first pump outlet 202 of the water suction pump 21, after the first heating component 32 is used for heating the washing water conveyed into the fluid channel by the water suction pump 21, the washing water flows out through the output end of the fluid channel and is conveyed to the washing cavity 101, so that an independent heating device 3 can be formed on a waterway of a dishwasher washing system, the washing water temperature of a high-temperature washing link can better meet the high-temperature disinfection standard, and the influence on the water suction pump 21 is avoided.

As shown in fig. 3, this embodiment further defines, in addition to the features of the above-described embodiment: the casing 31 includes the casing body, first spliced pole and second spliced pole, and first spliced pole and second spliced pole set up respectively at the both ends of casing body, and the casing body is equipped with the chamber that crosses the liquid, and first spliced pole is equipped with inlet 302, and the second spliced pole is equipped with liquid outlet 301, and inlet 302, chamber that crosses the liquid and liquid outlet 301 communicate in proper order and form fluid channel, and first heating element 32 sets up on the casing body.

As shown in fig. 2 and 3, this embodiment further defines, in addition to the features of the above-described embodiment: the heating device 3 further comprises a fixing assembly 33, the fixing assembly 33 being provided on the housing 31, the fixing assembly 33 being adapted to be mounted with the outer wall of the dishwasher body 1. The fixing component 33 is used for fixing the heating device 3 on the dish washer body 1, so that the heating device 3 can be arranged more stably, and the connection between the heating device 3 and the dish washer body 1 and the water suction pump 21 is not easy to loose.

As shown in fig. 1, 3 and 4, this embodiment further defines, in addition to the features of the above-described embodiment: the stationary assembly 33 comprises a mounting housing 331, the mounting housing 331 being provided with a mounting cavity 303, the housing 31 being arranged on the mounting housing 331, at least part of the first heating assembly 32 and at least part of the housing 31 being located in the mounting cavity 303, the mounting wall of the mounting housing 331 being provided with a positioning hole 304, the positioning hole 304 being adapted for mounting with a positioning pin 111 on the dishwasher body 1. Through the setting of installation shell 331, on the one hand make things convenient for heating device 3 to be fixed in on the dishwasher body 1 through installation shell 331, on the other hand installation shell 331 is equipped with installation cavity 303 and is used for installing first heating element 32 and casing 31 to can form the protection to first heating element 32 and casing 31 and keep apart, when protecting first heating element 32 and casing 31, also can reduce the heat dissipation of first heating element 32 and cause the loss. The locating holes 304 are arranged on the mounting wall of the mounting shell 331, and when the heating device 3 is mounted on the dish washer body 1, the locating holes 304 on the mounting wall of the mounting shell 331 can be aligned and connected with the locating pins 111 on the dish washer body 1, so that a locating effect is formed on the heating device 3, and the quick mounting of the heating device 3 is facilitated.

As shown in fig. 3 and 4, this embodiment further defines, in addition to the features of the above-described embodiment: the fixing assembly 33 further comprises a positioning plate 332, the positioning plate 332 is partially located in the mounting cavity 303, the positioning plate 332 is opposite to the mounting wall of the mounting shell 331, one end of the positioning plate 332 is arranged on the end wall of the shell 31, the other end of the positioning plate 332 extends out of the mounting cavity 303, the positioning plate 332 is provided with a first connecting hole 305, and the first connecting hole 305 is used for connecting the positioning plate 332 and the dish washer body 1 through pin shaft fit with a second connecting hole 102 in the dish washer body 1. The first connecting hole 305 on the positioning plate 332 is connected with the second connecting hole 102 of the dish washer body 1 by utilizing the pin shaft, so that the positioning plate 332 can be matched with the mounting shell 331 to finish quick positioning and mounting of the heating device 3, and the heating device 3 is ensured to be firmly mounted and difficult to loose and deviate.

As shown in fig. 1, 3 and 4, this embodiment further defines, in addition to the features of the above-described embodiment: the outer wall of the dishwasher body 1 is formed with mounting blocks 11, the mounting blocks 11 being adapted for mounting with the securing assembly 33. Through setting up installation piece 11, installation piece 11 can be with fixed subassembly 33 cooperation, fixes a position and install heating device 3, effectively improves the installation rate.

As shown in fig. 4, this embodiment further defines, in addition to the features of the above-described embodiment: the mounting block 11 is formed with a positioning pin 111.

As shown in fig. 4, this embodiment further defines, in addition to the features of the above-described embodiment: the mounting block 11 is provided with a second connection hole 102.

As shown in fig. 3, this embodiment further defines, in addition to the features of the above-described embodiment: the heating device 3 further comprises a temperature controller 34, the temperature control assembly is arranged on the shell 31 and/or the fixing assembly 33, the temperature controller 34 is electrically connected with the first heating assembly 32, and the temperature controller 34 is used for controlling the working temperature of the first heating assembly 32. Through the setting of temperature controller 34, can be convenient for carry out thermostatic control to the heating temperature of first heating element 32, can adjust operating temperature when needs so that the wash water temperature in the fluid channel heaies up fast, improves heating efficiency.

In addition to the features of the above embodiments, the present embodiment further defines: the heating device 3 further comprises a temperature sensor arranged on the housing 31, the temperature sensor is used for detecting the temperature of the liquid in the fluid channel, the temperature sensor is electrically connected with the temperature controller 34, and the temperature controller 34 is used for receiving the temperature signal of the temperature sensor and controlling the first heating component 32 to work according to the received temperature signal. The temperature value of the liquid in the fluid channel can be obtained in real time through the arrangement of the temperature sensor, so that the water temperature in the fluid channel is ensured to be within the standard temperature value range under the cooperation of the temperature sensor and the temperature controller 34, and on one hand, the problem that the disinfection effect is affected due to the fact that the water temperature is lower than the temperature standard and the water temperature reaches the standard for a long time is effectively avoided; on the other hand, when the water temperature reaches a proper value, the water temperature can be better controlled in a constant temperature state, the condition that the water temperature is too high to cause energy waste is avoided, and therefore the heating efficiency of the heating device 3 is improved.

As shown in fig. 3, this embodiment further defines, in addition to the features of the above-described embodiment: the heating device 3 further comprises a fuse 35, the fuse 35 is arranged on the housing 31 and/or the fixing component 33, and the fuse 35 is used for cutting off the connection between the first heating component 32 and the power supply so as to realize high-current protection of the circuit. The fuse 35 serves as an overcurrent protection device for disconnecting the entire device from power supply when the current of the first heating member 32 is excessively large, and serves to prevent damage to the electronic equipment.

As shown in fig. 5, this embodiment further defines, in addition to the features of the above-described embodiment: the heat pump 22 includes a motor, a pump casing 221, an impeller and a second heating assembly 222, the motor and the second heating assembly 222 are respectively disposed on the pump casing 221, the pump casing 221 has a pump chamber, and a second pump inlet 203 and a second pump outlet 204 which are communicated with the pump chamber, the impeller is disposed in the pump chamber, and the impeller is electrically connected with the motor. By adopting the above structure, the motor can generate driving force for driving the washing water to flow from the second pump inlet 203 to the second pump outlet 204 when driving the impeller to rotate, and meanwhile, the second heating assembly 222 is arranged on the pump shell 221 to heat the water flow, so that the decontamination capability of the washing water is improved by increasing the temperature.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A dishwasher, comprising:

A dishwasher body (1), the dishwasher body (1) being provided with a washing chamber (101);

A spray arm assembly provided on the dishwasher body (1), the spray arm assembly being configured to spray wash water to the wash chamber (101);

A water supply mechanism (2), the water supply mechanism (2) being provided on the dishwasher body (1), the water supply mechanism (2) comprising a water suction pump (21) and a heating pump (22), the water suction pump (21) being for supplying washing water to the washing chamber (101); the heating pump (22) is used for heating washing water and supplying the washing water to the spray arm assembly for use;

A heating device (3), wherein the heating device (3) is provided with a fluid channel, the water suction pump (21) is communicated with the washing cavity (101) through the fluid channel, and the heating device (3) is used for heating washing water flowing through the fluid channel;

The control device is arranged on the dish washer main body (1) and is electrically connected with the water suction pump (21), the heating pump (22) and the heating device (3) respectively.

2. The dishwasher of claim 1, wherein the water supply (2) further comprises a first conduit (24), one end of the first conduit (24) being in communication with a first pump outlet (202) of the suction pump (21), the other end of the first conduit (24) being in communication with the washing chamber (101), the heating device (3) being arranged on the first conduit (24).

3. A dishwasher according to claim 2, characterized in that the water supply (2) further comprises a one-way valve arranged on the first conduit (24), the one-way valve being located at an end of the heating device (3) adjacent to the suction pump (21), the one-way valve being adapted to prevent washing liquid entering the fluid channel from flowing back into the suction pump (21).

4. The dishwasher of claim 1, wherein the water supply mechanism (2) further comprises a water cup (23), the water cup (23) being provided on the dishwasher body (1), the water cup (23) being in communication with the water suction pump (21) and the heating pump (22), respectively, the heating pump (22) being for delivering wash water in the water cup (23) to the spray arm assembly, the heating pump (22) being for delivering wash water in the water cup (23) to the wash chamber (101).

5. A dishwasher according to claim 4, characterized in that the water cup (23) is located at the bottom of the dishwasher body (1), the water cup (23) being in communication with the washing chamber (101).

6. The dishwasher of claim 4, characterized in that the water supply (2) further comprises a water intake assembly in communication with an external water source for delivering washing water to the water cup (23) or the washing chamber (101), the water intake assembly being electrically connected to the control device.

7. A dishwasher according to claim 1, characterized in that the heating device (3) comprises a housing (31) and a first heating assembly (32), the housing (31) being provided with the fluid channel, the first heating assembly (32) being provided on the housing (31) assembly, the first heating assembly (32) being electrically connected to the control device, the first heating assembly (32) being adapted to heat the wash water in the fluid channel.

8. The dishwasher of claim 7, characterized in that the heating device (3) further comprises a fixing assembly (33), the fixing assembly (33) being provided on the housing (31), the fixing assembly (33) being adapted to be mounted with the outer wall of the dishwasher body (1).

9. The dishwasher of claim 8, characterized in that,

The fixing assembly (33) comprises a mounting shell (331), the mounting shell (331) is provided with a mounting cavity (303), the shell (31) is arranged on the mounting shell (331), at least part of the first heating assembly (32) and at least part of the shell (31) are positioned in the mounting cavity (303), a positioning hole (304) is formed in the mounting wall of the mounting shell (331), and the positioning hole (304) is used for being mounted in a matching way with a positioning pin (111) on the dish washer main body (1); and/or

The outer wall of the dishwasher main body (1) is provided with a mounting block (11), and the mounting block (11) is used for being mounted in a fit mode with the fixing assembly (33).

10. The dishwasher of any one of claims 1 to 9, wherein the heating pump (22) comprises a motor, a pump housing (221), an impeller and a second heating assembly (222), the motor and the second heating assembly (222) being arranged on the pump housing (221), respectively, the pump housing (221) having a pump chamber and a second pump inlet (203) and a second pump outlet (204) communicating with the pump chamber, the impeller being arranged in the pump chamber, the impeller being electrically connected to the motor.