Seasoning dispensing device, seasoning dispensing pipe cleaning device, and seasoning dispensing pipe cleaning control method

Abstract

Disclosed in the present application are a seasoning dispensing device, a seasoning dispensing pipe cleaning device and a seasoning dispensing pipe cleaning control method. The seasoning dispensing pipe cleaning device is used to clean a seasoning dispensing pipe of cooking equipment and comprises: a cleaning passage, in which a water storage box and a first reversing valve are provided. The first reversing valve has at least three first connection ports, which are respectively connected to the water storage box, a seasoning box and a seasoning dispensing pump via second pipes, forming a first cleaning passage from the water storage box, through the first reversing valve and the seasoning dispensing pump, to a seasoning dispensing nozzle in sequence, and a second cleaning passage from the water storage box, through the first reversing valve and the seasoning dispensing pump, back to the first reversing valve and to the seasoning box in sequence. The present application further discloses a corresponding seasoning dispensing device and seasoning dispensing pipe cleaning control method. The implementation of the present application can achieve segmented cleaning of the seasoning dispensing pipe to effectively prevent the solid components contained in the residual seasoning from settling in the seasoning dispensing pipe and thus causing agglomeration and pipe blockage.

Description

Seasoning feeding device, feeding pipe cleaning device and cleaning control method thereof

[0001] This application claims priority to the patent application submitted to the State Intellectual Property Office of China on September 28, 2023, with application number 202311275799.0 and application name "Seasoning feeding device, feeding pipe cleaning device and cleaning control method thereof". Technical Field

[0002] The present application relates to the field of cooking equipment, and in particular to a seasoning feeding device, a feeding pipe cleaning device and a cleaning control method thereof. Background Art

[0003] Stir-frying is one of the more complicated ways of cooking food. Therefore, as an emerging and highly intelligent cooking equipment, automatic cooking machines have broad application prospects in various large and small occasions such as restaurants, canteens, and homes.

[0004] Adding seasoning is an essential step in the cooking process. The seasonings required for automatic cooking machines are generally divided into three forms: solid (dry seasoning), liquid (water seasoning), and viscous (sauce). Each form of seasoning needs to be added through its corresponding dispensing device. However, after the liquid or viscous seasoning is added, the solid components contained in the remaining residue easily settle in the seasoning dispensing pipe, which easily clumps after drying and can easily cause pipe blockage over time.

[0005] Application Contents

[0006] The present application provides a seasoning feeding device, a feeding pipeline cleaning device and a cleaning control method thereof, so as to effectively prevent the solid components contained in the residual material from settling in the seasoning feeding pipeline and causing agglomeration and pipeline blockage.

[0007] In the first aspect, the present application provides a feeding pipe cleaning device for cleaning the seasoning feeding pipe of a cooking device, wherein the seasoning feeding pipe includes a seasoning box, a feeding pump and a feeding nozzle which are connected in sequence through a first pipe, and the feeding pipe cleaning device includes: a cleaning passage, a water storage box and a first reversing valve are provided on the cleaning passage, the first reversing valve has at least three first interfaces, and the at least three first interfaces are respectively connected to the water storage box, the seasoning box and the feeding pump through a second pipe; the cleaning passage includes a first cleaning passage and a second cleaning passage, the water flows from the water storage box through the first reversing valve, the feeding pump to the feeding nozzle in sequence to form a first cleaning passage, and the water flows from the water storage box through the first reversing valve, the feeding pump in sequence, and returns to the first reversing valve to the seasoning box to form a second cleaning passage.

[0008] In some possible implementations, a water pump and a water nozzle are further provided on the cleaning passage, the water pump is connected to the water storage box via a third pipe, and the water nozzle is connected to the water pump via a third pipe.

[0009] In some possible embodiments, a second reversing valve is further provided on the cleaning passage, and the second reversing valve has at least two second interfaces, at least one second interface is connected to the first reversing valve through a fourth pipe, and one second interface is connected to the water inlet through a fifth pipe. The cleaning passage also includes a third cleaning passage, and the water forms the third cleaning passage from the water inlet to the first reversing valve.

[0010] In some possible embodiments, a first one-way valve is provided between the water storage box and the first reversing valve; or a second one-way valve is provided between the water pump and the second reversing valve; or a third one-way valve is provided between the first reversing valve and the second reversing valve; or a first one-way valve is provided between the water storage box and the first reversing valve, and a second one-way valve is provided between the water pump and the second reversing valve; or a first one-way valve is provided between the water storage box and the first reversing valve, and a third one-way valve is provided between the first reversing valve and the second reversing valve; or a second one-way valve is provided between the water pump and the second reversing valve, and a third one-way valve is provided between the first reversing valve and the second reversing valve; or a first one-way valve is provided between the water storage box and the first reversing valve, a second one-way valve is provided between the water pump and the second reversing valve, and a third one-way valve is provided between the first reversing valve and the second reversing valve.

[0011] In some possible embodiments, a three-way valve is provided at the water inlet, and the three-way valve is connected to the second reversing valve and the water storage box through a sixth pipe; or, the water nozzle is connected to the water pump through the second reversing valve; or, a three-way valve is provided at the water inlet, and the three-way valve is connected to the second reversing valve and the water storage box through a sixth pipe, and the water nozzle is connected to the water pump through the second reversing valve.

[0012] In some possible implementations, the first reversing valve is a two-position three-way solenoid valve; or, the second reversing valve is a two-position three-way solenoid valve; or, both the first reversing valve and the second reversing valve are two-position three-way solenoid valves.

[0013] In some possible embodiments, the water nozzle is connected to the water inlet through a water inlet pipe provided with a first normally closed switch valve; or, the water storage box is connected to the water inlet through a water inlet pipe provided with a second normally closed switch valve; or, the water nozzle is connected to the water inlet through a water inlet pipe provided with a first normally closed switch valve, and the water storage box is connected to the water inlet through a water inlet pipe provided with a second normally closed switch valve.

[0014] In the second aspect, an embodiment of the present application provides a seasoning feeding device, including: a seasoning feeding pipeline, including a seasoning box, a feeding pump and a feeding nozzle connected in sequence through a first pipeline; a feeding pipeline cleaning device, and the feeding pipeline cleaning device is the above-mentioned feeding pipeline cleaning device.

[0015] In a third aspect, an embodiment of the present application provides a feeding pipeline cleaning control method, which is used for the above-mentioned feeding pipeline cleaning device. The feeding pipeline cleaning control method includes: step 1: switching the first reversing valve to open the first cleaning passage, starting the feeding pump in the forward direction, and pumping the water in the water storage box from the first cleaning passage to complete the cleaning operation from the first reversing valve to the feeding nozzle section; step 2: switching the first reversing valve to open the second cleaning passage, starting the feeding pump in the reverse direction, and pumping the water in the water storage box from the second cleaning passage to complete the cleaning operation from the feeding pump to the seasoning box section; or The feeding pipeline cleaning control method includes: step 3: opening the water inlet and the third one-way valve, switching the second reversing valve to open the third cleaning passage, switching the first reversing valve to open the first cleaning passage, closing the first one-way valve, starting the feeding pump in the forward direction, and completing the cleaning operation from the first reversing valve to the feeding nozzle section; step 4: opening the water inlet and the third one-way valve, switching the second reversing valve to open the third cleaning passage, switching the first reversing valve to open the second cleaning passage, closing the first one-way valve, starting the feeding pump in the reverse direction, and completing the cleaning operation from the feeding pump to the seasoning box section.

[0016] In some possible embodiments, the feeding pipeline cleaning control method also includes: step 5: starting the water pump, opening the second one-way valve, pumping the water in the water storage box to the water nozzle and injecting it into the pot, completing the water adding or pot washing operation; or, before the first cleaning passage or the second cleaning passage is opened, the feeding pipeline cleaning control method also includes: step 6: detecting whether the water storage amount in the water storage box reaches the preset water amount, if not, opening the water inlet to inject water into the water storage box until the preset water amount is reached; or, step 5: starting the water pump, opening the second one-way valve, pumping the water in the water storage box to the water nozzle and injecting it into the pot, completing the water adding or pot washing operation, before the first cleaning passage or the second cleaning passage is opened, the feeding pipeline cleaning control method also includes: step 6: detecting whether the water storage amount in the water storage box reaches the preset water amount, if not, opening the water inlet to inject water into the water storage box until the preset water amount is reached.

[0017] The beneficial effects of this application are:

[0018] The present application sets up a cleaning passage with a water storage box and a first reversing valve. The first reversing valve is set between the seasoning box and the feeding pump, forming a first cleaning passage from the water storage box through the first reversing valve, the feeding pump to the feeding nozzle, and a second cleaning passage from the water storage box through the first reversing valve, the feeding pump and back to the first reversing valve to the seasoning box. The first cleaning passage and the second cleaning passage are used to achieve segmented cleaning of the seasoning delivery pipeline, effectively preventing the solid components contained in the residual material from being precipitated in the seasoning delivery pipeline and causing agglomeration and pipeline blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] FIG1 shows a schematic structural diagram of a seasoning delivery device according to a first embodiment of the present application.

[0021] FIG2 shows a schematic structural diagram of a second embodiment of the seasoning delivery device of the present application.

[0022] Explanation of the accompanying symbols: 1. Seasoning feeding pipe; 11. Seasoning box; 12. Feeding pump; 13. Feeding nozzle; 2. Feeding pipe cleaning device; 20. Water inlet; 21. Water storage box; 22. First reversing valve; 23. Water pump; 24. Water nozzle; 25. Second reversing valve; 26. First one-way valve; 27. Second one-way valve; 28. Third one-way valve; 29. ​​Three-way valve; 31. First cleaning passage; 32. Second cleaning passage; 33. Third cleaning passage. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions and advantages of this application more clear, the technical solutions of this application will be described in detail below by referring to the accompanying drawings in the embodiments of this application. Obviously, the embodiments and features in the embodiments of this application can be combined with each other unless there is a conflict.

[0024] It should be noted that: in the accompanying drawings, the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions; in the description of this application, the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of this application; in the description of this application, "first", "second", etc. are only used to distinguish each other, and do not indicate their importance and order, etc.

[0025] In the description of this application, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, movable, or detachable connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0026] Example 1

[0027] As shown in FIG1 , the present application provides a feeding pipe cleaning device 2 for cleaning a seasoning feeding pipe 1 of a cooking device. The seasoning feeding pipe 1 includes a seasoning box 11, a feeding pump 12, and a feeding nozzle 13 connected in sequence through a first pipe. The feeding pipe cleaning device 2 includes:

[0028] The purge passage is provided with a water storage box 21 and a first reversing valve 22. The first reversing valve 22 has at least three first interfaces, which are respectively connected to the water storage box 21, the seasoning box 11, and the dosing pump 12 via second pipes. The purge passage comprises a first purge passage and a second purge passage. Water flows from the water storage box 21 through the first reversing valve 22, the dosing pump 12, and the dosing nozzle 13, forming a first purge passage 31. Water flows from the water storage box 21 through the first reversing valve 22, the dosing pump 12, and returns to the first reversing valve 22 to the seasoning box 11, forming a second purge passage 32.

[0029] In some possible implementations, a water pump 23 and a water nozzle 24 are further provided on the cleaning passage. The water pump 23 is connected to the water storage box 21 through a third pipe, and the water nozzle 24 is connected to the water pump 23 through a third pipe.

[0030] In some possible embodiments, a second reversing valve 25 is further provided on the cleaning passage, and the second reversing valve 25 has at least two second interfaces, at least one second interface is connected to the first reversing valve 22 through a fourth pipe, and one second interface is connected to the water inlet 20 through a fifth pipe. The cleaning passage also includes a third cleaning passage, and the water forms a third cleaning passage 33 from the water inlet 20 to the first reversing valve 22.

[0031] The first reversing valve 22 plays the role of selecting whether the first cleaning passage 31 or the second cleaning passage 32 is opened: when the interface of the first reversing valve 22 connected to the feeding pump 12 is opened and the interface connected to the seasoning box 11 is closed, the first cleaning passage 31 is opened and the second cleaning passage 32 is closed; otherwise, the first cleaning passage 31 is closed and the second cleaning passage 32 is opened.

[0032] In some possible implementations, a first one-way valve 26 is provided between the water storage box 21 and the first reversing valve 22 .

[0033] In some possible implementations, a second one-way valve 27 is provided between the water pump 23 and the second reversing valve 25 .

[0034] In some possible implementations, a third one-way valve 28 is provided between the first reversing valve 22 and the second reversing valve 25 .

[0035] In some possible implementations, a first one-way valve 26 is provided between the water storage box 21 and the first reversing valve 22 , and a second one-way valve 27 is provided between the water pump 23 and the second reversing valve 25 .

[0036] In some possible implementations, a first one-way valve 26 is provided between the water storage box 21 and the first reversing valve 22 , and a third one-way valve 28 is provided between the first reversing valve 22 and the second reversing valve 25 .

[0037] In some possible implementations, a second one-way valve 27 is provided between the water pump 23 and the second reversing valve 25 , and a third one-way valve 28 is provided between the first reversing valve 22 and the second reversing valve 25 .

[0038] Opening the first one-way valve 26 can enable the first cleaning passage 31 or the second cleaning passage 32 to obtain water from the water storage box 21; closing the first one-way valve 26 can open the third one-way valve 28, so that the first cleaning passage 31 or the second cleaning passage 32 can obtain water from the water inlet 20.

[0039] Opening the second one-way valve 27 allows the water spray head 24 to obtain water from the water storage box 21 ; closing the second one-way valve 27 allows the water spray head 24 to obtain water from the water inlet 20 .

[0040] Opening the third one-way valve 28 can open the third cleaning passage 33, and the first cleaning passage 31 or the second cleaning passage 32 can obtain water from the water inlet 20; closing the third one-way valve 28 can open the first one-way valve 26, so that the first cleaning passage 31 or the second cleaning passage 32 can obtain water from the water storage box 21.

[0041] In some possible implementations, a three-way valve 29 is provided at the water inlet 20 , and the three-way valve 29 is connected to both the second reversing valve 25 and the water storage box 21 through a sixth pipe.

[0042] In some possible implementations, the water spray head 24 is connected to the water pump 23 via a second reversing valve 25 .

[0043] In some possible implementations, a three-way valve 29 is provided at the water inlet 20 , and the three-way valve 29 is connected to the second reversing valve 25 and the water storage box 21 through a sixth pipe, and the water nozzle 24 is connected to the water pump 23 through the second reversing valve 25 .

[0044] The second reversing valve 25 can not only select the water source from the water storage box 21 or the water inlet 20 to the water nozzle 24, but also can obtain the water source from the water inlet 20 to the third cleaning passage 33 or the water nozzle 24. Specifically, it only needs to control the corresponding interface to open and close other interfaces, which will not be repeated.

[0045] In some possible implementations, the first reversing valve 22 and / or the second reversing valve 25 are normally closed two-position three-way solenoid valves. The three-way valve 29 is a normally closed solenoid valve.

[0046] In some possible embodiments, the feeding pipeline cleaning device further includes an MCU control unit, which is configured to control the automatic switching of the first cleaning passage 31 and the second cleaning passage 32. Optionally, the MCU may also control the automatic switching of various control valves, such as the third cleaning passage 33, the first one-way valve 26, the second one-way valve 27, the third one-way valve 28, or the three-way valve 29.

[0047] Example 2

[0048] As shown in FIG2 , the present application also provides another embodiment of a feeding pipe cleaning device 2. The difference between the second embodiment and the first embodiment is that:

[0049] In some possible implementations, the water nozzle 24 is connected to the water inlet 20 through a water inlet pipe provided with a first normally closed switch valve B.

[0050] In some possible implementations, the water storage box 21 is connected to the water inlet 20 via a water inlet pipe provided with a second normally closed switch valve A.

[0051] In some possible implementations, the water nozzle 24 is connected to the water inlet 20 through a water inlet pipe provided with a first normally closed switch valve B, and the water storage box 21 is connected to the water inlet 20 through a water inlet pipe provided with a second normally closed switch valve A.

[0052] Please refer to Figures 1 and 2. The present application also provides a seasoning delivery device, including a seasoning delivery pipeline 1 and a feeding pipeline cleaning device 2 as provided in any implementation manner in the aforementioned embodiments. The seasoning delivery pipeline 1 includes a seasoning box 11, a feeding pump 12 and a feeding nozzle 13 connected in sequence through a first pipeline.

[0053] Accordingly, its technical effects are also fully applicable to this embodiment and will not be described in detail.

[0054] The present application also provides a feeding pipeline cleaning control method, which is used in the feeding pipeline cleaning device provided in any of the aforementioned embodiments. The feeding pipeline cleaning control method includes:

[0055] Step S1: Switch the first reversing valve 22 to open the first cleaning passage 31, start the feeding pump 12 in the forward direction, pump the water in the water storage box 21 out of the first cleaning passage 31, and complete the cleaning operation from the first reversing valve 22 to the feeding nozzle 13;

[0056] Step S2: Switch the first reversing valve 22 to open the second cleaning passage 32, start the feeding pump 12 in reverse, and pump the water in the water storage box 21 out of the second cleaning passage 32, completing the cleaning operation from the feeding pump 12 to the seasoning box 11. Alternatively, the feeding pipeline cleaning control method includes:

[0057] Step S3: Open the water inlet 20 and the third one-way valve 28, switch the second reversing valve 25 to open the third cleaning passage 33, switch the first reversing valve 22 to open the first cleaning passage 31, close the first one-way valve 26, start the feeding pump 12 in the forward direction, and complete the cleaning operation from the first reversing valve 22 to the feeding nozzle 13;

[0058] Step S4: Open the water inlet 20 and the third one-way valve 28, switch the second reversing valve 25 to the third cleaning passage 33 to open, switch the first reversing valve 22 to the second cleaning passage 32 to open, close the first one-way valve 26, start the feeding pump 12 in reverse, and complete the cleaning operation from the feeding pump 12 to the seasoning box 11.

[0059] In some possible implementations, the feeding pipeline cleaning control method further includes:

[0060] Step S5: Start the water pump 23, open the second one-way valve 27, pump the water in the water storage box 21 to the water nozzle 24 and inject it into the pot (placed below the water nozzle 24, not shown in the figure), completing the water adding or pot washing operation.

[0061] The water in the water storage box 21 is extracted by the water pump 23 according to the required amount and accurately delivered to the pot through the water nozzle 24, which is not affected by the changes in the water pressure of the tap water pipeline and achieves the effect of stable pressure delivery.

[0062] In some possible implementations, before the first cleaning passage 31 or the second cleaning passage 32 is opened, the following steps are further included:

[0063] Step S6: Detect whether the water storage volume in the water storage box 21 reaches the preset water volume. If not, open the water inlet 20 to fill water into the water storage box 21 until the preset water volume is reached. The preset water volume can be the maximum water storage volume of the water storage box 21, or can be specifically set as needed.

[0064] Accordingly, its technical effects are also fully applicable to this embodiment and will not be described in detail.

[0065] The present application also provides a cooking device including a seasoning delivery device as provided in any of the aforementioned embodiments. Accordingly, the technical effects thereof are also fully applicable to the present embodiment and will not be described in detail.

[0066] In some possible implementations, the cooking device is an automatic cooking machine.

[0067] Note that the above are only preferred embodiments of the present application and the technical principles employed. Those skilled in the art will understand that the present application is not limited to the specific embodiments herein, and that various obvious changes, readjustments, and substitutions can be made by those skilled in the art without departing from the scope of protection of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present application. The scope of the present application is determined by the scope of the appended claims.

Claims

1. A feeding pipeline cleaning device, used for cleaning a seasoning feeding pipeline of a cooking device, wherein the seasoning feeding pipeline comprises a seasoning box, a feeding pump and a feeding nozzle connected in sequence through a first pipeline, characterized in that: The feeding pipeline cleaning device comprises: A cleaning passage, wherein a water storage box and a first reversing valve are arranged on the cleaning passage, wherein the first reversing valve has at least three first interfaces, and the at least three first interfaces are respectively connected to the water storage box, the seasoning box and the feeding pump through second pipes; the cleaning passage comprises a first cleaning passage and a second cleaning passage, wherein water flows from the water storage box through the first reversing valve, the feeding pump and the feeding nozzle in sequence to form the first cleaning passage, and water flows from the water storage box through the first reversing valve, the feeding pump and returns to the first reversing valve to the seasoning box in sequence to form the second cleaning passage.

2. The feeding pipeline cleaning device according to claim 1 is characterized in that: The cleaning passage is also provided with a water pump and a water spray head. The water pump is connected to the water storage box through a third pipe, and the water spray head is connected to the water pump through a third pipe.

3. The feeding pipeline cleaning device according to claim 1 or 2, characterized in that: A second reversing valve is also provided on the cleaning passage, and the second reversing valve has at least two second interfaces, at least one second interface is connected to the first reversing valve through a fourth pipe, and one second interface is connected to the water inlet through a fifth pipe. The cleaning passage also includes a third cleaning passage, and the water flows from the water inlet to the first reversing valve to form the third cleaning passage.

4. The feeding pipeline cleaning device according to claim 3 is characterized in that: A first one-way valve is provided between the water storage box and the first reversing valve; or, A second one-way valve is provided between the water pump and the second reversing valve; or, A third one-way valve is provided between the first reversing valve and the second reversing valve; or, A first one-way valve is provided between the water storage box and the first reversing valve, and a second one-way valve is provided between the water pump and the second reversing valve; or, A first one-way valve is provided between the water storage box and the first reversing valve, and a third one-way valve is provided between the first reversing valve and the second reversing valve; or, A second one-way valve is provided between the water pump and the second reversing valve, and a third one-way valve is provided between the first reversing valve and the second reversing valve; or, A first one-way valve is arranged between the water storage box and the first reversing valve, a second one-way valve is arranged between the water pump and the second reversing valve, and a third one-way valve is arranged between the first reversing valve and the second reversing valve.

5. The feeding pipeline cleaning device according to claim 4 is characterized in that: A three-way valve is provided at the water inlet, and the three-way valve is connected to the second reversing valve and the storage valve through a sixth pipeline. The water boxes are all connected; or, The water spray head is connected to the water pump via the second reversing valve; or, A three-way valve is provided at the water inlet, and the three-way valve is connected to the second reversing valve and the water storage box through a sixth pipeline, and the water nozzle is connected to the water pump through the second reversing valve.

6. The feeding pipeline cleaning device according to claim 5 is characterized in that: The first reversing valve is a two-position three-way solenoid valve; or, the second reversing valve is a two-position three-way solenoid valve; or, both the first reversing valve and the second reversing valve are two-position three-way solenoid valves.

7. The feeding pipeline cleaning device according to claim 2, characterized in that: The water spray head is connected to the water inlet through a water inlet pipe provided with a first normally closed switch valve; or, The water storage box is connected to the water inlet through a water inlet pipe provided with a second normally closed switch valve; or, The water spray head is communicated with the water inlet through a water inlet pipe provided with a first normally closed switch valve, and the water storage box is communicated with the water inlet through a water inlet pipe provided with a second normally closed switch valve.

8. A seasoning delivery device, characterized in that: include: A seasoning delivery pipeline, comprising a seasoning box, a delivery pump and a delivery nozzle connected in sequence through a first pipeline; A feeding pipeline cleaning device, wherein the feeding pipeline cleaning device is the feeding pipeline cleaning device according to any one of claims 1 to 7.

9. A feeding pipeline cleaning control method, used in the feeding pipeline cleaning device according to any one of claims 1 to 7, characterized in that: The feeding pipeline cleaning control method comprises: Step 1: Switch the first reversing valve to open the first cleaning passage, start the feeding pump in the forward direction, pump the water in the water storage box out from the first cleaning passage, and complete the cleaning operation from the first reversing valve to the feeding nozzle section; Step 2: Switch the first reversing valve to open the second cleaning passage, start the feeding pump in reverse, pump the water in the water storage box out of the second cleaning passage, and complete the cleaning operation from the feeding pump to the seasoning box section; or, the feeding pipeline cleaning control method includes: Step 3: Open the water inlet and the third one-way valve, switch the second reversing valve to open the third cleaning passage, switch the first reversing valve to open the first cleaning passage, close the first one-way valve, start the feeding pump in the forward direction, and complete the cleaning operation from the first reversing valve to the feeding nozzle section; Step 4: Open the water inlet and the third one-way valve, switch the second reversing valve to open the third cleaning passage, switch the first reversing valve to open the second cleaning passage, close the first one-way valve, start the feeding pump in reverse, and complete the cleaning operation from the feeding pump to the seasoning box section.

10. The feeding pipeline cleaning control method according to claim 9, characterized in that: The feeding pipeline cleaning control method also includes: Step 5: Start the water pump, open the second one-way valve, pump the water in the water storage box to the water nozzle and inject it into the pot, completing the water adding or pot washing operation; or, Before the first cleaning passage or the second cleaning passage is opened, the feeding pipeline cleaning control method further includes: Step 6: Detect whether the water volume in the water storage box reaches the preset water volume. If not, open the water inlet to inject water into the water storage box until the preset water volume is reached; or, Step 5: Start the water pump, open the second one-way valve, pump the water in the water storage box to the water nozzle and inject it into the pot, completing the water adding or pot washing operation. Before the first cleaning passage / the second cleaning passage is opened, the feeding pipeline cleaning control method also includes: Step 6: Detect whether the water volume in the water storage box reaches the preset water volume. If not, open the water inlet to inject water into the water storage box until the preset water volume is reached.

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