CN220619480U - Solvent batching device for washing machine - Google Patents

Abstract

The utility model provides a solvent batching device for a washing machine, which comprises one or more feed cylinders, wherein the tops of the feed cylinders are communicated with the atmosphere, the feed cylinders are connected with corresponding solvents to be added through a first water pump, a pressure sensor is arranged at the top end of each feed cylinder, the working end of each pressure sensor is arranged in a pressure pipe, the top of each pressure pipe is sealed, the other end of each pressure pipe extends towards the bottom of each feed cylinder, the bottom of each feed cylinder is communicated with a liquid outlet pipe, the liquid outlet pipes are respectively communicated with a second water pump and a water tank, the outlets of the second water pumps are communicated with the washing machine, a first valve is arranged on the liquid outlet pipe, a second valve is arranged at one end of a water inlet pipe of the second water pump, and a third valve is arranged at one end of a water outlet pipe of the water tank.

Description

Solvent batching device for washing machine

Technical Field

The utility model relates to the technical field of washing supporting equipment, in particular to a solvent batching device for a washing machine.

Background

The laundry room is a place for intensively cleaning clothes, a wine shop or a customer intensively processes the washed clothes, in the process of cleaning the clothes, various chemical solvents such as bleach water, a fragrance agent, a softener and the like are required to be added, certain chemical solvents have certain corrosiveness, in the process of washing the clothes, a predetermined amount of solvents are required to be added according to different amounts and different types of clothes, the traditional detection mode of the solvent amount basically adopts sensors such as a liquid level meter and the like for detection, but the traditional liquid level meter is soaked in the solvents, the corrosive solvents are soaked for many times, the sensitivity of the sensors is influenced, and the purpose of accurately controlling the solvent addition amount cannot be achieved.

Disclosure of Invention

In view of the above, the present utility model provides a solvent batching device for a washing machine, which solves one or more technical problems of the prior art, and at least provides a beneficial choice or creation condition.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a solvent dosing unit for washing machine, includes the feed cylinder of one or more top intercommunication atmosphere, the feed cylinder passes through first water pump connection and corresponds to wait to add the solvent, every the feed cylinder top is equipped with a pressure sensor, and this pressure sensor work end sets up in a pressure pipe, and this pressure pipe top is sealed, the pressure pipe other end extends to feed cylinder bottom direction, feed cylinder bottom intercommunication has a drain pipe, this drain pipe communicates second water pump and water tank respectively, the export intercommunication washing machine of second water pump is equipped with first valve on the drain pipe, second water pump inlet tube one end is equipped with the second valve the outlet pipe one end of water tank is equipped with the third valve, still includes the controller, controller electric connection first water pump, second water pump, first valve, second valve and third valve control opening and closing thereof, pressure sensor electric connection controller, the controller is according to pressure sensor's the pressure signal of postback the inner chamber controls opening and stopping of first water pump.

Preferably, the first valve, the second valve and the third valve are all pneumatic valves.

Preferably, the first water pump is a diaphragm pump, and the second water pump is a self-priming pump.

Preferably, the water tank is communicated with a tap water pipe, and a liquid level meter is arranged in the water tank to ensure that the water level of the water tank is kept within a certain liquid level range.

Preferably, the lower end of the pressure tube is adjacent to and does not contact the bottom of the cartridge.

Preferably, the lower end of the pressure tube abuts against the bottom of the cylinder and is provided with an opening.

Preferably, a vent is provided at the upper part of the charging barrel, and the vent is higher than the connection port between the first water pump and the charging barrel.

The utility model has the beneficial effects that:

according to the utility model, through the pressure pipe arranged in the charging barrel, when the liquid level of the charging barrel rises to a preset height, the liquid level of the charging barrel has pressure on air in the pressure pipe, the pressure of the pressure pipe is detected by the pressure sensor arranged at the top of the pressure pipe, the pressure sensor converts a pressure signal into an electric signal and transmits the electric signal to the controller, and the controller monitors that the liquid level of the charging barrel reaches the preset value and sends out a command to stop the first water pump. The solvent quantity is accurately measured by adopting the method, the pressure sensor does not need to be contacted with the solvent, and the corrosion of the solvent to the pressure sensor is avoided, so that the solvent quantity is more accurate and more reliable.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Detailed Description

The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.

Referring to fig. 1, a solvent dispensing device for a washing machine according to the present utility model includes one or more cartridges 1 having a top portion connected to the atmosphere, the cartridges 1 being vertically disposed and being fixed to a frame, each cartridge 1 containing a different solvent, the solvent being contained in a solvent cartridge 2, the cartridges 1 being connected to a corresponding solvent to be added by a first water pump 3, a pressure sensor 4 being disposed at a top end of each cartridge 1, the working end of the pressure sensor 4 being downwardly disposed in a pressure tube 5, the pressure tube 5 being sealed at a top portion and being open at a bottom portion, a lower end of the pressure tube 5 extending toward a bottom portion of the cartridges 1, the lower end of the pressure tube 5 being close to and not contacting the bottom portion of the cartridges 1, and of course, as long as the bottom portion of the cartridges 1 is ensured to be open, the lower end of the pressure tube 5 being adapted to be disposed against the bottom portion of the cartridges 1, so that the pressure tube 5 is not suspended, but in order to avoid liquid accumulation at the bottom portion of the pressure tube 5, an opening being disposed at a side of the pressure tube 5, so that the pressure tube 5 is conveniently pressed against the bottom portion of the pressure tube 1, and the pressure tube 5 is not ensured to be blocked. The bottom of the charging barrel 1 is communicated with a liquid outlet pipe 6, the liquid outlet pipe 6 is respectively communicated with a second water pump 7 and a water tank 8, the first water pump 3 is a diaphragm pump, the second water pump 7 is a self-priming pump, and an outlet of the second water pump 7 is communicated with a washing machine, namely, the second water pump 7 pumps solvent in the charging barrel 1 into the washing machine. Be equipped with first valve 9 on the drain pipe 6, the inlet tube one end of second water pump 7 be equipped with second valve 10 the outlet pipe one end of water tank 8 is equipped with third valve 11, first valve 9, second valve 10 and third valve 11 are pneumatic valve, through pneumatic control, can reduce the fault rate of equipment. The pressure sensor 4 is electrically connected with the controller, and the controller controls the start and stop of the first water pump 3 according to the pressure signal of the inner cavity of the pressure pipe 5 returned by the pressure sensor 4.

Specifically, the water tank 8 is communicated with a tap water pipe, the tap water pipe is provided with a switch valve 12, a liquid level meter is arranged in the water tank 8 to ensure that the water level of the water tank 8 is kept in a certain liquid level range, the specific structure can be that the switch valve 12 is controlled by a controller, the liquid level meter is connected with the controller, and the liquid level meter feeds back the liquid level information of the water tank 8 to the controller to ensure that the water level of the water tank 8 is kept in a certain liquid level range. Of course, in order to save cost, the switch valve 12 can also be a gas valve switch, when the water level is low, the switch valve 12 is opened, tap water enters the water tank 8, and when the water level is high, the balloon in the switch is inspired to rise to close the switch valve 12.

Specifically, a vent 13 is provided at the upper portion of the cartridge 1, and the vent 13 is located higher than the connection port between the first water pump 3 and the cartridge 1, so that the liquid pumped from the first water pump 3 does not overflow from the vent 13.

The utility model works as follows: the first valve 9, the second valve 10, the third valve 11 and the second water pump 7 are all closed, the first water pump 3 works to pump the solvent into the feed cylinder 1, the liquid level of the feed cylinder 1 rises, air exists in the pressure pipe 5, when the liquid level rises to a preset height, the liquid level of the feed cylinder 1 has pressure on the air in the pressure pipe 5, the pressure of the pressure pipe 5 is detected by the pressure sensor 4 positioned at the top of the pressure pipe 5, the pressure sensor 4 converts a pressure signal into an electric signal to be transmitted to the controller, the controller monitors that the liquid level of the feed cylinder 1 reaches a preset value, and sends out a command to stop the first water pump 3. In this way, the pressure sensor 4 is not exposed to the solvent, and corrosion of the pressure sensor 4 by the solvent is avoided. Then the first valve 9 is opened, the second valve 10 is opened, the second water pump 7 works, the third valve 11 is closed, the second water pump 7 pumps the solvent in the feed cylinder 1 into the washing machine, then the third valve 11 is opened, the water in the water tank 8 is pumped into the washing machine, and the solvent in the pipeline is washed once.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (7)

1. The utility model provides a solvent dosing unit for washing machine, includes one or more top intercommunication atmospheric feed cylinder, the corresponding solvent of waiting to add is connected through first water pump to the feed cylinder, its characterized in that: every feed cylinder top is equipped with a pressure sensor, and this pressure sensor work end sets up in a pressure pipe, and this pressure pipe top is sealed, the pressure pipe other end extends to feed cylinder bottom direction, feed cylinder bottom intercommunication has a drain pipe, and this drain pipe communicates second water pump and water tank respectively, the export intercommunication washing machine of second water pump, be equipped with first valve on the drain pipe, second water pump inlet tube one end is equipped with the second valve the outlet pipe one end of water tank is equipped with the third valve, still includes the controller, controller electric connection first water pump, second water pump, first valve, second valve and third valve and control it to open and close, pressure sensor electric connection controller, the controller is according to pressure sensor passback the start-stop of pressure pipe inner chamber's pressure signal control first water pump.

2. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: the first valve, the second valve and the third valve are all pneumatic valves.

3. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: the first water pump is a diaphragm pump, and the second water pump is a self-priming pump.

4. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: the water tank is communicated with a tap water pipe, and a liquid level meter is arranged in the water tank to ensure that the water level of the water tank is kept within a certain liquid level range.

5. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: the lower end of the pressure tube is adjacent to and does not contact the bottom of the cartridge.

6. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: the lower end of the pressure pipe is propped against the bottom of the charging barrel and is provided with an opening.

7. A solvent dosing apparatus for a washing machine as claimed in claim 1, wherein: and the upper part of the charging barrel is provided with a vent, and the position of the vent is higher than the connecting port between the first water pump and the charging barrel.