CN101401717A

CN101401717A - A dishwasher provided with an integrated system for controlling quantities of water

Info

Publication number: CN101401717A
Application number: CNA2008101619615A
Authority: CN
Inventors: E·布里格农
Original assignee: Bitron SpA
Current assignee: Bitron SpA
Priority date: 2007-10-02
Filing date: 2008-10-06
Publication date: 2009-04-08
Anticipated expiration: 2028-10-06
Also published as: EP2044876A3; ES2562786T3; ITTO20070694A1; EP2044876B1; CN101401717B; PL2044876T3; EP2044876A2

Abstract

The dishwasher includes: a water feed and treatment device (10) comprising a feed pipe (16) with a filling valve (18), a first reservoir (28) for containing substances with decalcifying properties, and a second reservoir (30) for containing salt to be dissolved in water in order to generate a brine for the regeneration of these substances; and a control system comprising a sensor (42) located in a well (12) which forms the base of the washing chamber (14), and a control unit (44) for receiving signals sent by the sensor (42) and for measuring, on the basis of these signals, the quantity of water used to regenerate the substances with decalcifying properties.

Description

Washed-up with integration system of the control water yield

Technical field

The present invention is relevant with washed-up.More particularly, this washed-up has and supplies water and treating apparatus, and it comprises that band charges into the supply pipe of valve, is used for holding first liquid reserve tank with calcium performance material and is used for holding second liquid reserve tank of salt.

Background technology

As everyone knows, afterwards, the material with calcium performance must be regenerated with brine stream through cycles of washing several times (it is relevant that number of times and washed-up are installed the ground hardness of water), and brine stream allows certain water yield produce by the second salt liquid reserve tank.In the former method, this water yield is to control by various system, for example by the suitable collection container with suitable volume is provided, perhaps by measuring the water yield with flowmeter, perhaps by the shunt valve door is opened the regular hour.

All these existing systems perhaps just are used for realizing controlling the function of the water yield that produces salt solution, perhaps this function and the additional function of measuring the water yield that is used for being full of machine are combined.In both cases, they all form the washed-up addition item except that safety device, and safety device all must have in any occasion, and determining whether there is the MIN water yield in the washing chamber, this makes complex structure and costliness.

Summary of the invention

The objective of the invention is to overcome this defective.

This purpose reaches by a kind of washed-up, and this washed-up comprises:

Supply water and treating apparatus, it comprises that band charges into the supply pipe of valve, comprises first liquid reserve tank with calcium performance material, and comprise will be water-soluble salt make with generation this material regeneration salt solution second liquid reserve tank and

Control system, it comprises the sensor that is in the pond that forms washing chamber's base, and control module, the latter is used for the signal that receiving sensor sends, and is used for regenerating according to this signal measurement and has the water yield of calcium performance material.

Main element according to the control system of washed-up of the present invention is a sensor, generally is the pressure sensor that is present in usually in the existing washed-up, and its is only as part of security system, when being used in the washing chamber water shortage machine is shut down.But according to the present invention, this pressure sensor also is used for controlling the required water yield, especially carries out the water yield of regeneration cycle.Therefore, spend seldom, even, just can obtain the element of realizing that this function is required with cost.

Also have some advantages by washed-up of the present invention, for example, certainty of measurement is very high, and can measure when needed to wash after regeneration is handled and have the required water yield of calcium performance material.

Detailed description by (just as an example rather than restriction) with reference to the accompanying drawings done can more clearly understand other advantage of the present invention and characteristic.

Description of drawings

Fig. 1 is a washed-up main element schematic diagram of the present invention,

Fig. 2 is that the element of Fig. 1 is at the different operational modes schematic diagram of (promptly being used for the regeneration stage).

The specific embodiment

Washed-up (Fig. 1) comprises water supply and treating apparatus 10 and is positioned at the pond 12 of 14 bottoms, washing chamber.

Water supply and treating apparatus 10 comprise supply pipe 16, are furnished with the valve of charging into 18 on the pipe, and its downstream is an air saltus step part 20.Also be furnished with shunt valve 22 on the pipe 16, this pipe 16 is divided into first arm 24 and second arm 26 in the position of this valve.24 pairs of first arms hold first liquid reserve tank 28 with calcium performance material (comprising ion exchange resin) and open wide, and second liquid reserve tank 30 of 26 pairs of dresses of second arm salt opens wide, and the outlet opening 32 of this liquid reserve tank is connected to first liquid reserve tank 28 by another pipeline 34 of band selectivity shutoff device 36.

First liquid reserve tank 28 has outlet opening 38, and it is connected to the bottom in pond 12 by drainpipe 40, there is pressure sensor 42, IT-1 for example, the sensor of the sort of model described in 337,356.

Control module 44 can receive the signal that pressure sensor 42 sends, and can determine the water yield in the pond 12 according to these signals; Open or close the setting that charges into valve 18 and control shunt valve 22 then in view of the above.

During the washed-up operate as normal (Fig. 1), removed calcium by first liquid reserve tank 28 (by arrow 46) and at there, enter drainpipe 40 then and be directed (pressing arrow 48) to pond 12 by pipe 16 water that provide.According to the signal that receives from sensor 42, control module 44 manipulations charge into valve 18 makes it stay open the required time, makes inflow reach and carries out the required amount of washing procedure that requires.At this working stage, control module 44 also will be controlled shunt valve 22, and it is allowed in first arm 24 of the water inflow pipe 16 that provided.

Through some cycles of washing (depend on washed-up install ground hardness of water) afterwards, must allow and be included in resin regeneration in first liquid reserve tank 28.Control module 44 is handled shunt valve 22 (Fig. 2) for this reason, make it allow the water that is provided flow in second arm 26 (pressing arrow 54), flow into second liquid reserve tank 30 to form salt solution from there, salt solution flows into first liquid reserve tank 28 (pressing arrow 52) by additional pipeline 34, at the used ion exchange resin regeneration of there.Then, the current from first liquid reserve tank 28 flow into pond 12 (pressing arrow 48) by drainpipe 40.According to the signal that receives from sensor 42 in this stage, the setting of control module 44 control shunt valves 22 makes it allow the water that is provided flow into 26 regular hours of second arm, allows the water yield that flows into second liquid reserve tank 30 be enough to produce the required salt solution of regeneration.

Be not difficult to find out from top explanation, control module 44 charges into valve 18 and controls shunt valve 22 according to the signal manipulation that receives from sensor 42, make these valves allow the required water yield of given washing procedure flow into washing chamber 14 respectively, and allow the essential water yield flow into salt liquid reserve tank 30, be used for making the salt solution of ion exchange resin regeneration with generation.

Control module 44 is carried out and other security-related function according to the signal that receives from sensor 42.For example, if the water yield in the pond 12 is less than setting, then control module 44 does not allow washings heater (being generally resistor) connect, and washed-up is quit work even can not start.Similarly, if the water yields in pond 12 and the washing chamber 14 surpass setting, then control module 44 quits work washed-up maybe can not to start, thereby as the excessive safety device of prevention of water.

Control module 44 is also according to the signal that receives from sensor 42, measure the water yield of passing through first liquid reserve tank 28, need make the material regeneration that wherein comprises to determine when, check that simultaneously whether pond 12 in cycles of washing water emptying at the end with calcium performance.Control module 44 can also write down according to these signals and handle the data that obtain, as the reference of determining next cycles of washing filled water amount.

Therefore, this washed-up provides the integrated system of the control water yield, and wherein same element can carry out multiple pressure measxurement, and the measurement of water level, and the result of these measurements is used to different purposes.

This class control system also has security function and does not mean that the washed-up of this system of equipment can not be equipped with other safety device, leaks so that prevent better.

The example of operable alternate safety means is as patent application EP-1, the device that is housed in washed-up base bottom described in 836,943, and its content is referred in this specification for referencial use.This security system comprises: be used for collecting the fixed chamber that leaks, it has the aperture of water into and allows water flow out to the narrow aperture of ancillary chamber; Be positioned at collecting chamber and can swim in element on the water surface that is collected in wherein; Be in above the floating element, can move so that the switch of floating element rising during precalculated position in water arrives collecting chamber.

Obviously, as long as keep principle of the present invention, the structure of embodiment and form details can be said very different here purely as example, this does not deviate from the category of the present invention that claims propose.As the replacement of top described system, can only allow part water flow into second arm 26 at regeneration stage shunt valve 22, also directly offer first liquid reserve tank 28 and allow remaining water continue to flow into first arm 24.Water supply and treating apparatus 10 can also comprise another arm as bypass, and its trend is around first liquid reserve tank 28 that comprises ion exchange resin.

Claims

1. washed-up comprises:

Supply water and treating apparatus (10), it comprises that band charges into the supply pipe (16) of valve (18), be used for first liquid reserve tank (28) that splendid attire has calcium performance material, and be used for salt that splendid attire will be water-soluble make with generation this material regeneration salt solution second liquid reserve tank (30) and

Control system, it comprises the sensor (42) that is in the pond (12) that forms washing chamber (14) base, and control module (44), be used for receiving the signal that the sensor (42) sends, and be used for regenerating according to this signal measurement and have the water yield of calcium performance material.

2. washed-up as claimed in claim 1, wherein above-mentioned water supply and treating apparatus (10) also comprise the shunt valve (22) that moves the water to flow into first liquid reserve tank (28) and/or second liquid reserve tank (30), and the setting of above-mentioned control module (44) control shunt valve (22), make certain water yield flow into second liquid reserve tank (30), this water yield is when regenerating, and is produced as to make the material with calcium performance that is contained in first liquid reserve tank (28) the required salt solution of regenerating desired.

3. as the washed-up of claim 1 or 2, wherein control module (44) receives the signal that sends from sensor (42), and according to the water yield in these signal measurement ponds (12), charge into valve (18) and open or close to allow, making is to carry out the required water yield of washing procedure to flow into washing chamber (14).

4. as the washed-up of claim 1 or 2, wherein if the signal measurement that sends by sensor (42) to the interior water yield in pond (12) be less than setting, then control module (44) does not allow the washings heater connect, thereby stops the work of washed-up or prevent that it from starting.

5. as the washed-up of claim 1 or 2, wherein if in the pond (12) that the signal measurement that sends by sensor (42) arrives and washing chamber (14) interior water yield more than setting, then control module (44) stops the work of washed-up or does not allow it start, thereby plays the effect of the excessive safety device of anti-sealing.

6. as the washed-up of claim 1 or 2, wherein control module (44) by the water yield of first liquid reserve tank (28), need make the material regeneration that first liquid reserve tank (28) in has calcium performance to determine when according to above-mentioned signal measurement.

7. as the washed-up of claim 1 or 2, wherein whether control module (44) according to the emptying of the water in this signal check pond (12).

8. as the washed-up of claim 1 or 2, wherein control module (44) record is handled the data that obtain according to this signal, and these data are used as determines the reference of water-filling institute water requirement next time.