CN102383292A - Foam generator for washing machine - Google Patents

Abstract

The invention relates to a foam generator for a washing machine, comprising an air return pipe. The foam generator is characterized in that one end of the air return pipe is connected into an air return joint of a foam-function front barrel; the input end of a water return pipe is connected on the foam-function front barrel simultaneously; and the output end of the water return pipe is connected with a foam pump device. Therefore, by existence of the foam generator, the productivity of foam is improved by effectively utilizing negative pressure, and the cleaning time is shortened by more than 39%; and the used amount of washing powder can be reduced by more than 50%. Simultaneously, since the productivity of the foam is improved, the water consumption is reduced, the solubility of the washing powder can be improved, and the residue of the washing powder can be reduced. Furthermore, the confirmation feeling and the trust feeling of a user for cleaning the clothes are improved, the cleaning ratio is improved by more than 10% and the electricity is saved by 70% compared with that of standard cleaning.

Description

Foam generator for washing machine

technical field

The invention relates to a foam generator, in particular to a foam generator for a washing machine.

Background technique

The current washing machines on the market do not have the function of generating foam. Users will add a large amount of washing powder when using it, until a large amount of foam is generated in the drum, and there will be a sense of confirmation that the clothes can be washed clean. However, if the clothes are dirty, the foam is relatively difficult to produce, and the user will add more washing powder. This situation not only causes waste, but also leaves a lot of undissolved washing powder residue, resulting in unclean rinsing and affecting the washing effect.

Contents of the invention

The object of the present invention is to provide a foam generator for washing machine in order to solve the above-mentioned problems in the prior art.

The purpose of the present invention is achieved through the following technical solutions:

The foam generator for washing machine includes an air return pipe, wherein: one end of the air return pipe is connected to the air return interface of the foam function front cylinder, and the air bubble function front cylinder is connected to the input end of the return water pipe at the same time, and the return water pipe’s A foam pump unit is connected to the output.

The above-mentioned foam generator for washing machine, wherein: the foam pump device includes a funnel-shaped water inlet, the water outlet end of the funnel-shaped water inlet is provided with a negative pressure forming bucket, and the cross section of the negative pressure forming bucket is larger than the funnel-shaped water inlet. The cross-section of the outlet end of the water diversion port; an air injection pipe is provided on one side of the negative pressure forming bucket.

Further, in the aforementioned foam generator for washing machine, a cylindrical contact head is provided at the contact end between the water outlet end of the funnel-shaped water inlet and the negative pressure forming bucket.

The advantages of the technical solution of the present invention are mainly reflected in that the effective use of negative pressure by the existence of the foam generator improves the output rate of foam and shortens the washing time by more than 39%. And, can reduce the usage amount of washing powder by more than 50%. At the same time, due to the increased foam output rate, water consumption can be reduced, the solubility of washing powder can be improved, and the residue of washing powder can be reduced. Furthermore, by producing rich foam, the user's sense of confirmation and trust in washing clothes can be improved, the washing ratio can be increased to more than 10%, and the washing time can be shortened at the same time.

Description of drawings

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are only typical examples of applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent replacements or equivalent transformations fall within the protection scope of the present invention. Among these drawings,

Fig. 1 is the overall execution schematic diagram of the foam generator of this washing machine;

Fig. 2 is a schematic diagram of the structure of the foam pump device.

The meaning of each reference mark in the figure is as follows:

1 return trachea 2 foam function front cylinder

3 water return pipe 4 foam pump device

5 Funnel-shaped water intake 6 Negative pressure forming barrel

7 Air injection pipe 8 Cylindrical contact head

Detailed ways

The foam generator for washing machine as shown in Figure 1 and Figure 2 includes a return air pipe 1, which is different in that: one end of the air return pipe 1 is connected to the air return interface of the front cylinder 2 with foam function, and the air return interface of the bubble function The front cylinder is connected to the input end of the return pipe 3 at the same time. Moreover, a foam pump device 4 is connected to the output end of the water return pipe 3 .

As far as a preferred embodiment of the present invention is concerned, the foam pump device 4 includes a funnel-shaped water intake 5 , and a negative pressure forming bucket 6 is provided at the water outlet end of the funnel-shaped water intake 5 . And, the cross-section of negative pressure forming bucket 6 is larger than the cross-section of the water outlet end of funnel-shaped water intake 5 . Meanwhile, an air injection pipe 7 is provided on one side of the negative pressure forming barrel 6 .

Looking further, in order to improve the effect of negative pressure formation in an orderly manner, which is beneficial to the effective docking of the funnel-shaped water intake 5 and the negative pressure formation bucket 6, the present invention contacts the water outlet end of the funnel-shaped water intake 5 with the negative pressure formation bucket 6 A cylindrical contact head 8 is provided at the end.

The working process of the foam generator for the washing machine is as follows: the water flow with washing powder is injected into the foam pump device 4 connected to the front cylinder of the bubble function through the return pipe 3 . Then, along with the further inflow of water, according to the Bernoulli equation "dynamic pressure + static pressure + potential pressure" as a fixed value, the change of dynamic pressure in the foam pump device 4 will cause the change of static pressure, which can pass through the foam pump device 4 The change of the pipe wall causes the change of the water velocity, that is, the change of the kinetic energy.

Specifically, when the water flows from the funnel-shaped water intake 5 into the negative pressure-forming barrel 6, the cross-section of the negative-pressure-formed bucket 6 is greater than the cross-section of the funnel-shaped water intake 5 outlet end. As the dynamic pressure increases and the static pressure decreases, the pressure at the position of the cylindrical contact head 8 is lower than the external atmospheric pressure, so a negative pressure is formed there. Along with the continuous operation of the motor in the washing machine, the negative pressure forming tub 6 will have air continuously entering through the air injection pipe 7, and the vibration of the water will stimulate the continuous formation of foam. Next, a deep cleansing effect is achieved through the energy generated during foam formation and breakdown. In other words, through the change of water flow rate, continuous negative pressure is generated to achieve the fusion of air, water and washing powder and the generation of foam.

It can be seen from the above text description and the accompanying drawings that after adopting the present invention, the existence of the foam generator effectively utilizes the negative pressure to improve the output rate of foam and shorten the washing time by more than 8%. And, can reduce the usage amount of washing powder by more than 50%. At the same time, due to the increased foam output rate, water consumption can be reduced, the solubility of washing powder can be improved, and the residue of washing powder can be reduced. Furthermore, by producing rich foam, the user's sense of confirmation and trust in washing clothes can be improved, the washing ratio can be increased to more than 10%, and the washing time can be shortened at the same time. Furthermore, the air bubble generator of this patent forms a continuous negative pressure through the control of the change of water flow rate, injects air into the water, and makes the air, water, and detergent combine to generate rich bubbles, which penetrate deep into the fiber, thereby effectively removing clothes The stains in the water, because the powerful bubble generator can quickly decompose rich foam at low temperature, so it effectively saves electricity. In addition, the "foam pad" formed by the rich foam energy can effectively avoid the direct contact between the clothes and the inner tube, and reduce the wear and tear of clothes.

Claims (3)

1. A foam generator for a washing machine, comprising an air return pipe, characterized in that: one end of the air return pipe is connected to the air return interface of the foam function front cylinder, and the air bubble function front cylinder is connected to the input end of the return water pipe at the same time, so A foam pump device is connected to the output end of the water return pipe. 2. The foam generator for washing machine according to claim 1, characterized in that: said foam pump device includes a funnel-shaped water intake, the water outlet end of said funnel-shaped water intake is provided with a negative pressure forming bucket, said negative pressure The cross-section of the pressure-forming barrel is larger than the cross-section of the water outlet end of the funnel-shaped water intake; one side of the negative-pressure forming barrel is provided with an air injection pipe. 3. The foam generator for washing machine according to claim 2, characterized in that: a cylindrical contact head is provided at the contact end between the water outlet end of the funnel-shaped water inlet and the negative pressure forming bucket.

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