Milk mixing device capable of reducing noise

Abstract

The utility model discloses a milk mixing device capable of reducing noise. Comprising a machine base shell, a milk mixing cavity and a cold water tank, a mounting cavity is formed in the machine base shell, a water conveying channel and a water recycling channel are arranged in the mounting cavity, and the cold water tank is connected with the milk mixing cavity through the water conveying channel and the water recycling channel. The cold water inlet is sequentially connected with the heating piece and the cold water outlet through pipelines; a control valve is arranged on a pipeline between the cold water inlet and the heating piece; the water recovery channel comprises a water return pump; the cold water tank is detachably arranged on the machine base shell and is convenient to disassemble, replace and clean, and the cold water inlet is higher than the top of the milk mixing cavity; when the control valve is opened, water flows out of the cold water inlet under the action of gravity and flows into the milk mixing cavity through the cold water outlet, so that the water flowing speed is increased, and meanwhile water conveying noise is lowered. After milk mixing is completed, the water return pump is started to pump water back to the cold water tank, and at the moment, the baby is in a milk drinking state and is not interfered by noise.

Description

Technical Field

[0001] This utility model belongs to the field of formula milk maker technology, specifically relating to a formula milk maker that reduces noise. Background Technology

[0002] As people's living standards improve and their emphasis on scientific parenting deepens, bottle warmers, as a practical parenting aid, have gradually become a standard feature in many families. The advent of bottle warmers greatly facilitates parents in providing their babies with milk at the appropriate temperature.

[0003] Currently, there are various types of bottle warmers on the market. For example, in the prior art, Chinese patent with announcement number CN219538074U discloses a bottle warmer, which includes a heating and heat preservation chamber, a heating component, a cold water tank, a cold water pump, and a control circuit. The cold water pump is connected between the cold water inlet and the cold water outlet. The cold water inlet is located on the bottom surface of the cold water tank, and the cold water pump is fixed below the cold water tank.

[0004] Although the aforementioned existing technology can control the cold water pump to pump cold water from the cold water tank into the heating and insulation chamber to quickly cool the baby bottle through a control circuit, in actual use, this existing technology has revealed some problems that urgently need to be solved:

[0005] Some users place bottle warmers in the bedroom for convenient nighttime feedings. However, during the warming process, the cold water pump needs to pump water into the heating chamber. This pumping process generates considerable noise, and in existing designs, the cold water outlet is significantly lower than the maximum liquid level in the heating chamber, prolonging the pump's operation time and resulting in prolonged noise. While this noise may be less noticeable during the day when ambient noise levels are relatively high, it becomes extremely jarring at night when the surroundings are quiet, potentially waking the baby.

[0006] Moreover, the cold water tank in the aforementioned prior art cannot be disassembled and replaced, nor is it convenient to disassemble and clean, which may lead to hygiene problems with long-term use. Summary of the Invention

[0007] To address the problems in related technologies, this utility model proposes a noise-reducing formula maker to overcome the aforementioned technical issues in existing technologies. In this utility model, the cold water inlet is higher than the top of the formula-mixing chamber. When the control valve is opened, water flows rapidly into the formula-mixing chamber due to gravity, which not only accelerates the water flow rate but also avoids excessive noise during the formula mixing process. Only after the formula maker has finished mixing and the baby is drinking is the return water pump activated to pump the water back to the cold water tank. At this point, the baby is already drinking and not disturbed by noise. The detachable design of the cold water tank facilitates user disassembly and replacement, as well as easy cleaning.

[0008] The technical solution of this utility model is implemented as follows: A noise-reducing formula warmer includes a base shell, a formula warming chamber, and a cold water tank. The formula warming chamber is located inside the base shell. The cold water tank is detachably mounted on the base shell. The cold water tank has a cold water inlet, and the formula warming chamber has a cold water outlet. The cold water inlet is higher than the top of the formula warming chamber. The cold water outlet is located at the bottom or side wall of the formula warming chamber. The cold water inlet is located at the bottom of the cold water tank.

[0009] The machine base housing has an installation cavity, which contains a water delivery channel and a water recovery channel. The cold water tank is connected to the formula preparation chamber through the water delivery channel and the water recovery channel. The water delivery channel includes a heating element, and the cold water inlet is connected to the heating element and the cold water outlet in sequence through pipes. The water recovery channel includes a return water pump, and the cold water tank is connected to the return water pump and the formula preparation chamber in sequence through different pipes.

[0010] A control valve is installed on the pipe between the cold water inlet and the heating element to control the water flow and opening / closing. When the control valve is opened, the water flows out of the cold water inlet due to gravity and flows into the milk conditioning chamber through the cold water outlet.

[0011] The cold water tank includes an external shell, the cross-sectional shape of which is radially symmetrical.

[0012] Furthermore, the cold water tank also includes a tank base, with the shell and the tank base being separated into upper and lower sections;

[0013] The bottom of the shell is provided with an outwardly radially extending groove; the top of the water tank base is provided with a narrow opening that matches the groove; the groove and the narrow opening are fixed together by an interference fit; or,

[0014] The slot and the narrow opening are fixed by a threaded connection; or...

[0015] The slot and the narrow opening are connected and fixed by a snap-fit ​​structure.

[0016] Furthermore, the water delivery channel is equipped with a first check valve for controlling the output of cold water or hot water, and the water recovery channel is equipped with a second check valve for controlling the return of cold water or hot water to the cold water tank; the first check valve is located between the heating element and the cold water outlet, and the second check valve is located between the milk conditioning chamber and the return water pump.

[0017] The upper part of the milk-mixing chamber is open and equipped with a bottle clamp.

[0018] Furthermore, the control valve is a solenoid valve.

[0019] Furthermore, the return water pump is a silent water pump.

[0020] Furthermore, it also includes a control circuit, a temperature sensor, and a water level sensor, wherein the control circuit is electrically connected to the control valve, the return water pump, the temperature sensor, and the water level sensor, respectively.

[0021] The temperature sensor is located at the bottom of the milk preparation chamber and is used to monitor the temperature inside the milk preparation chamber in real time and transmit the temperature signal to the control circuit; the water level sensor is located at a preset height in the milk preparation chamber and transmits the water level signal to the control circuit when the water level sensor senses water.

[0022] The control circuit controls the opening and closing of the control valve and the return water pump based on the signals from the temperature sensor and the water level sensor, so as to achieve temperature adjustment and water replenishment.

[0023] Furthermore, it also includes a timer, which is connected to the control circuit; when the temperature sensor detects that the water temperature has reached the preset milk preparation temperature, the timer starts counting down according to the preset milk preparation time; when the countdown ends, the return water pump is turned on and pumps the water back to the cold water tank.

[0024] Furthermore, the top surface of the machine base housing is provided with a control panel, which is electrically connected to the control circuit and used to set parameters such as milk preparation temperature and milk preparation time.

[0025] Furthermore, the milk preparation chamber is provided with a support bracket for supporting the baby bottle, and the baby bottle clamp is built into the upper end of the support bracket; the baby bottle clamp includes a ring frame and a plurality of elastic clips spaced around the ring frame; when the baby bottle is inserted, the bottle body drives the elastic clips to elastically deform toward the ring frame.

[0026] The upper opening of the milk-mixing chamber is equipped with a deformable ring cover to accommodate bottles of different diameters; and the ring cover covers the top of the support bracket and the bottle clamp; the ring cover is made of silicone material, which has good elasticity and heat resistance.

[0027] Furthermore, a driving component is also provided in the mounting cavity, and the driving component is installed directly below the milk preparation cavity; the drive shaft of the driving component passes through the milk preparation cavity and is connected to the bottom of the support bracket to drive the support bracket to rotate in the milk preparation cavity.

[0028] The driving component is a drive motor.

[0029] Furthermore, the top of the cold water tank is provided with a water inlet, which is sealed by a removable water inlet cap.

[0030] Furthermore, the heating element is an NTC heater.

[0031] The beneficial effects of this utility model are:

[0032] (1) The cold water inlet of this invention is higher than the top of the formula mixing chamber. When the control valve is opened, the water flows out of the cold water inlet due to gravity and flows into the formula mixing chamber through the cold water outlet. This can not only speed up the water flow rate, but also avoid excessive noise during the formula mixing process. Moreover, this invention does not use a water pump to pump water during the formula mixing process, which greatly reduces the noise interference to the baby at night. Only after the formula mixer has finished mixing the formula and the baby is drinking the milk is the return water pump started to pump the water back to the cold water tank. At this time, the baby is already drinking the milk and is not disturbed by noise.

[0033] (2) Water circulation between the milk preparation chamber and the cold water tank is achieved through a water recycling channel, avoiding direct discharge of wastewater after each milk preparation and significantly improving water resource utilization. Moreover, the recycled water retains some residual heat, which can reduce heating energy consumption and lower overall operating costs when it re-enters the heating element. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of a noise-reducing milk maker according to the present invention;

[0035] Figure 2 This is a top view of a noise-reducing milk maker according to the present invention;

[0036] Figure 3 This is a cross-sectional view of a noise-reducing milk maker according to the present invention;

[0037] Figure 4 This is a schematic diagram showing the separation of the formula maker, support bracket, bottle clamp, and shell of this utility model.

[0038] Figure 5 This is a schematic diagram of the formula maker of this utility model after omitting the support bracket, bottle clamp, and shell.

[0039] Figure 6 This is a schematic diagram showing the separation of the base shell, support bracket, bottle clamp, and ring cap of this utility model.

[0040] Figure 7 This is a cross-sectional view of the base shell, support bracket, bottle clamp, and ring cap of this utility model separated.

[0041] Figure 8 This is a schematic diagram showing the separation of the base shell, housing, water tank base, and water inlet cap of this utility model.

[0042] Figure 9 This is a schematic diagram of the base housing of this utility model with some components omitted;

[0043] Figure 10 This is a schematic diagram of the internal structure of the mounting cavity of this utility model.

[0044] Marker explanation:

[0045] 1. Base housing; 11. Mounting cavity; 111. Water delivery channel; 1111. First check valve; 112. Water recovery channel; 1121. Second check valve; 12. Heating element; 13. Return water pump; 14. Temperature sensor; 2. Milk mixing chamber; 21. Cold water outlet; 3. Cold water tank; 31. Housing; 32. Water tank base; 33. Water inlet hole; 34. Water inlet cap; 35. Cold water inlet; 4. Control panel; 5. Support bracket; 6. Bottle clamp; 61. Ring frame; 62. Elastic clamp; 7. Ring cap; 8. Drive component; 81. Drive shaft. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0048] like Figure 1-8 As shown, this embodiment provides a noise-reducing formula maker, including a base housing 1, a formula mixing chamber 2, and a cold water tank 3. The formula mixing chamber 2 is located inside the base housing 1. The cold water tank 3 is detachably mounted on the base housing 1. The cold water tank 3 is provided with a cold water inlet 35, and the formula mixing chamber 2 is provided with a cold water outlet 21. The cold water inlet 35 is higher than the top of the formula mixing chamber 2.

[0049] Specifically, the cold water outlet 21 is located at the bottom or side wall of the milk preparation chamber 2; the cold water inlet 35 is located at the bottom of the cold water tank 3;

[0050] The base housing 1 has a mounting cavity 11, which contains a water delivery channel 111 and a water recovery channel 112. The cold water tank 3 is connected to the formula preparation chamber 2 through the water delivery channel 111 and the water recovery channel 112. The water delivery channel 111 includes a heating element 12, and the cold water inlet 35 is connected to the heating element 12 and the cold water outlet 21 in sequence through pipes. The water recovery channel 112 includes a return water pump 13, and the cold water tank 3 is connected to the return water pump 13 and the formula preparation chamber 2 in sequence through different pipes.

[0051] The water recycling channel 112 enables water circulation between the milk preparation chamber 2 and the cold water tank 3, avoiding direct discharge of wastewater after each milk preparation and significantly improving water resource utilization. Furthermore, the recycled water retains some residual heat, reducing heating energy consumption and lowering overall operating costs when it re-enters the heating element 12.

[0052] Specifically, the return water pump 13 is a silent water pump to reduce noise.

[0053] Specifically, the heating element 12 is an NTC heater;

[0054] Compared to traditional mechanical temperature controllers (error ±5℃), NTC heaters can improve temperature control accuracy to within ±1℃, avoiding overheating or underheating of liquids due to temperature fluctuations and meeting the temperature requirements for milk powder preparation.

[0055] A control valve is provided on the pipe between the cold water inlet 35 and the heating element 12 to control the water flow and opening / closing.

[0056] Specifically, the control valve is a solenoid valve;

[0057] When the control valve is opened, the water flows out from the cold water inlet 35 due to gravity and flows into the milk conditioning chamber 2 through the cold water outlet 21. This can both speed up the water flow and avoid excessive noise during water transportation.

[0058] The cold water tank 3 includes an outer shell 31, the cross-sectional shape of which is radially symmetrical.

[0059] More specifically, the cold water tank 3 also includes a water tank base 32, and the shell 31 and the water tank base 32 are separated into upper and lower sections;

[0060] The bottom of the housing 31 is provided with an outwardly radially extending slot; the top of the water tank base 32 is provided with a narrow opening that matches the slot; the slot and the narrow opening are connected and fixed by an interference fit; or,

[0061] The slot and the narrow opening are fixed by a threaded connection; or...

[0062] The slot and the narrow opening are connected and fixed by a snap-fit ​​structure;

[0063] The detachable design of the cold water tank 3 makes it easy for users to disassemble and replace, and also facilitates disassembly and cleaning;

[0064] Specifically, the top of the cold water tank 3 is provided with a water inlet 33, which is sealed by a removable water inlet cover 34 to facilitate the user to change the water and to prevent impurities from contaminating the water in the cold water tank 3.

[0065] More specifically, the water delivery channel 111 is provided with a first check valve 1111 for controlling the output of cold water or hot water, and the water recovery channel 112 is provided with a second check valve 1121 for controlling the return of cold water or hot water to the cold water tank 3; the first check valve 1111 is located between the heating element 12 and the cold water outlet 21, and the second check valve 1121 is located between the milk conditioning chamber 2 and the return water pump 13;

[0066] The design of each check valve helps to prevent water backflow.

[0067] Specifically, it also includes a control circuit, a temperature sensor 14, and a water level sensor, wherein the control circuit is electrically connected to the control valve, the return water pump 13, the temperature sensor 14, and the water level sensor, respectively.

[0068] The temperature sensor 14 is located at the bottom of the milk conditioning chamber 2 and is used to monitor the temperature inside the milk conditioning chamber 2 in real time and transmit the temperature signal to the control circuit; the water level sensor is located at a preset height in the milk conditioning chamber 2 and transmits the water level signal to the control circuit when the water level sensor senses water.

[0069] The control circuit controls the opening and closing of the control valve and the return water pump 13 based on the signals from the temperature sensor 14 and the water level sensor, so as to achieve temperature adjustment and water replenishment.

[0070] Specifically, it also includes a timer, which is connected to the control circuit; when the temperature sensor 14 detects that the water temperature has reached the preset milk preparation temperature, the timer starts counting down according to the preset milk preparation time; when the countdown ends, the return water pump 13 is turned on and pumps the water back to the cold water tank 3.

[0071] More specifically, the top surface of the machine base housing 1 is provided with a control panel 4, which is electrically connected to the control circuit and is used to set parameters such as milk preparation temperature and milk preparation time.

[0072] The upper end of the milk-mixing chamber 2 is open and equipped with a bottle clamp 6.

[0073] Specifically, the milk-mixing chamber 2 is provided with a support bracket 5 for supporting the baby bottle, and the baby bottle clamp 6 is built into the upper end of the support bracket 5; the baby bottle clamp 6 includes a ring frame 61 and a plurality of elastic clips 62 spaced around the ring frame 61; when the baby bottle is inserted, the bottle body drives the elastic clips 62 to elastically deform toward the ring frame 61.

[0074] The upper opening of the milk-mixing chamber 2 is provided with a deformable ring cover 7 to accommodate bottles of different diameters; and the ring cover 7 covers the top of the support bracket 5 and the bottle clamp 6; the ring cover 7 is made of silicone material, which has good elasticity and heat resistance.

[0075] Specifically, the mounting cavity 11 is also provided with a driving component 8, and the driving component 8 is installed directly below the milk conditioning cavity 2, making the structure more compact; the drive shaft 81 of the driving component 8 passes through the milk conditioning cavity 2 and is connected to the bottom of the support bracket 5 to drive the support bracket 5 to rotate in the milk conditioning cavity 2.

[0076] The driving component 8 is a drive motor;

[0077] The design of the drive motor, support bracket 5 and bottle clamp 6 enables the formula mixer described in this embodiment to have a shaking function. That is, the formula mixer can simulate the high-frequency, multi-dimensional rotation and mixing action of manual shaking to effectively dissolve milk powder clumps and avoid sedimentation.

[0078] The formula maker described in this embodiment not only provides the baby with milk at a suitable temperature, but also shakes and mixes the milk to ensure that the formula powder is fully dissolved. Furthermore, parents do not need any other tools to perform the shaking operation, thus increasing ease of use.

[0079] In addition, the formula maker described in this embodiment does not use a water pump to pump water during the formula preparation process, which greatly reduces the noise interference to the baby at night; after the formula maker has finished preparing the formula, the return water pump 13 is started to pump the water back to the cold water tank 3. At this time, the baby is already in the state of drinking milk and is not disturbed by noise.

[0080] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A noise-reducing formula warmer, comprising a base housing and a formula warming chamber, wherein the formula warming chamber is disposed within the base housing, characterized in that: It also includes a cold water tank, which is detachably mounted on the machine base housing; the cold water tank is provided with a cold water inlet, and the formula mixing chamber is provided with a cold water outlet, wherein the cold water inlet is higher than the top of the formula mixing chamber; The machine base housing has an installation cavity, which contains a water delivery channel and a water recovery channel. The cold water tank is connected to the formula preparation chamber through the water delivery channel and the water recovery channel. The water delivery channel includes a heating element, and the cold water inlet is connected to the heating element and the cold water outlet in sequence through a pipe. The water recovery channel includes a return water pump. A control valve is installed on the pipe between the cold water inlet and the heating element to control the water flow and opening / closing. When the control valve is opened, the water flows out of the cold water inlet due to gravity and flows into the milk conditioning chamber through the cold water outlet. The upper part of the milk-mixing chamber is open and equipped with a bottle clamp.

2. The formula maker according to claim 1, characterized in that, The control valve is a solenoid valve.

3. The formula maker according to claim 1, characterized in that, The return water pump is a silent water pump.

4. The formula maker according to claim 1, characterized in that, The cold water tank includes an external shell, the cross-sectional shape of which is radially symmetrical.

5. The formula maker according to claim 4, characterized in that, The cold water tank also includes a water tank base, and the shell and the water tank base are separated into upper and lower sections.

6. The formula maker according to claim 1, characterized in that, It also includes a control circuit, a temperature sensor, and a water level sensor, wherein the control circuit is electrically connected to the control valve, the return water pump, the temperature sensor, and the water level sensor, respectively. The temperature sensor is located at the bottom of the milk conditioning chamber and is used to monitor the temperature inside the milk conditioning chamber in real time; the water level sensor is located at a preset height in the milk conditioning chamber.

7. The formula maker according to claim 1, characterized in that, The milk preparation chamber is provided with a support bracket for supporting the baby bottle, and the baby bottle clamp is built into the upper end of the support bracket; the baby bottle clamp includes a ring frame and a plurality of elastic clips spaced around the ring frame; when the baby bottle is inserted, the bottle body drives the elastic clips to elastically deform toward the ring frame; The upper opening of the milk-mixing chamber is provided with a deformable ring cover; and the ring cover covers the top of the support bracket and the bottle clamp.

8. The formula maker according to claim 7, characterized in that, The mounting cavity is also provided with a driving component, which is installed directly below the milk conditioning cavity; the drive shaft of the driving component passes through the milk conditioning cavity and is connected to the bottom of the support bracket to drive the support bracket to rotate within the milk conditioning cavity.

9. The formula maker according to claim 1, characterized in that, The top of the cold water tank is provided with a water inlet, which is sealed by a removable water inlet cover.

10. The formula maker according to claim 1, characterized in that, The heating element is an NTC heater.

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