CN1899205A - Automatic water discharge sensor of dish washing machine - Google Patents
Automatic water discharge sensor of dish washing machine Download PDFInfo
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- CN1899205A CN1899205A CN 200510015961 CN200510015961A CN1899205A CN 1899205 A CN1899205 A CN 1899205A CN 200510015961 CN200510015961 CN 200510015961 CN 200510015961 A CN200510015961 A CN 200510015961A CN 1899205 A CN1899205 A CN 1899205A
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- washings
- washing machine
- dish
- sensing device
- draining
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Abstract
The automatic water discharge sensor of dish washer can sense the automatic water discharge from the water storing tank to outside caused by the foreign matter blocking of the filter. The automatic water discharge sensor includes water storing tank, water discharging pump set on one side of the water storing tank to discharge washed water, water discharge pipe connected to the water discharging pump, non-return valve inside the water discharge pipe for opening and closing the water discharge pipe, solenoid valve set on the non-return valve to generate magnetic force, and Hall sensor set outside the water discharge pipe to sense the magnetic force. The automatic water discharge sensor of dish washer can avoid water shortage during washing, and has simple assembling and low cost.
Description
Technical field
The present invention relates to dish-washing machine, particularly relate to the automatic draining sensing device of dish-washing machine (A self drainage sensing structure of dish washer) that perception is made the washings in the aqua storage tank discharge automatically to the outside because of filter by the obstruction of the inner accumulation of aqua storage tank foreign matter.
Background technology
In general, dish-washing machine is the household electrical appliance that utilize swill from the high-pressure wash water wash dining set surface that nozzle ejection is come out.In more detail, the aqua storage tank [Sump] that dish-washing machine comprises by the outer bucket that forms washing tube and the bucket bottom surface stores washings outside being installed in constitutes.And, under the swabbing action of the inner washing pump of aqua storage tank, to of the jet high-pressure injection of nozzle washing water flowing by the nozzle terminal part.The washings of high-pressure injection impact the tableware surface, clean the dirts such as swill that are bonded on the tableware, make dirt fall outer bucket bottom surface.
And dish-washing machine in the past is at the inner screen pack that filters foreign matters such as swill of installing of aqua storage tank.In detail, by in the process of screen pack, foreign matter is filtered net to be stopped at washings, is stored in the foreign matter collecting chamber in the aqua storage tank.
Here, when containing too much fouling product in the foreign matter of overheap or the washings in the foreign matter collecting chamber, screen pack can be blocked.At this moment, washings can not pass through screen pack, but rest in the draining pump that is connected with the foreign matter collecting chamber.If continue in the draining pump to assemble washings, under the pressure effect of washings, draining pump and the scupper hose that is connected with draining pump are under pressure, and washings are discharged automatically.
Therefore, dish-washing machine in the past is in scupper hose lower end setting pressure sensor or pressure switch.Specifically, automatic draining phenomenon appears and after, long-pending full washings in the scupper hose, then after this situation of pressure sensing device perception, draining pump is with regard to forced drainage.
But for the prior art of above-mentioned setting pressure sensor or pressure switch, not only manufacturing cost increases, and assembling procedure also becomes complicated.In addition, when pressure sensor breaks down, just can not the self-draining phenomenon of perception.
Summary of the invention
The present invention proposes for the shortcoming that solves above-mentioned prior art, and its purpose is, provides a kind of in the dishwashing detergent process, and perception is because of the device that washings automatically discharge that is blocked of the filter in the aqua storage tank.
In addition, another object of the present invention is, a kind of automatic draining sensing device is provided, when producing automatic draining phenomenon, and forced drainage after this situation of perception, and supply with washings again, so that washing process is proceeded.
In order to achieve the above object, the automatic draining sensing device of dish-washing machine of the present invention comprises: the aqua storage tank that stores washings; A side that is installed in aqua storage tank is discharged the draining pump of washings; The drainpipe that is connected and becomes the washings drain passageway with draining pump; Be installed in the inner check valve that opens and closes discharge pipe line of drainpipe; Be installed in the electromagnet that produces magnetic force on the check valve; The outer peripheral face one side perception electromagnet that is installed in drainpipe produces the Hall element of magnetic force.
In addition, the automatic draining sensing device of the dish-washing machine of another technical scheme of the present invention comprises: the aqua storage tank that stores washings; A side that is installed in aqua storage tank is discharged the draining pump of washings; The air-lock [air brake] that is connected and forms drainage channel with draining pump in inside; The drainpipe that connects air-lock and draining pump; Be installed in the inner check valve that opens and closes discharge pipe line of drainpipe; Be installed in the electromagnet that produces magnetic force on the check valve; Be installed in the Hall element of the magnetic force of drainpipe outer peripheral face one side perception electromagnet generation.
In addition, the automatic draining sensing device of the dish-washing machine of the another technical scheme of the present invention comprises: the aqua storage tank that stores washings; A side that is installed in aqua storage tank is discharged the draining pump of washings; The air-lock that is connected and is formed with drainage channel with draining pump in inside; Be connected on the air-lock to the scupper hose of outside discharge along the drainage channel washing water flowing; Be installed in the inner check valve that opens and closes discharge pipe line of scupper hose; Be installed in the electromagnet that produces magnetic force on the check valve; Be installed in the Hall element that scupper hose outer peripheral face one side perception electromagnet produces magnetic force.
The automatic draining sensing device of dish-washing machine of the present invention has following good effect:
1) because of the draining pump pressure that is blocked of the filter in the aqua storage tank increases, when washings are discharged automatically, can this situation of perception after forced drainage, so, have and can solve the problem that occurs lacking washings in the washing process.
2) the draining sensing device adopts Hall element and electromagnet automatically, and assembling procedure is simple, and manufacturing cost descends.
3) do not have the worry that breaks down, can semipermanent use, can remove because of sensing device break down can not the automatic draining phenomenon of perception problem.
Description of drawings
Fig. 1 is the dish-washing machine profile of the automatic draining sensing device of configuration the present invention.
Fig. 2 is that automatic draining sensing device of the present invention is installed in the state profile on the scupper hose.
Fig. 3 is an automatic draining sensing device operating state profile of the present invention.
Fig. 4 is the dish-washing machine back side oblique view of configuration automatic draining sensing device of the present invention.
Fig. 5 is another example structure figure of automatic draining sensing device of the present invention.
The explanation of drawing main mark
100: dish-washing machine 110: outer bucket
120: top tableware rack 130: the bottom tableware rack
140: aqueduct 150: upper nozzle
160: lower nozzle 170: aqua storage tank
180: washing pump 230: washing motor
240: drain motor 250: draining pump
300: scupper hose 310: check valve
320: Hall element
The specific embodiment
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.But technological thought of the present invention can not limit in the following embodiments, and by the appending of other structures, change, deletion etc. can propose to be included in other embodiment in the rights protection scope of the present invention.
Fig. 1 is the dish-washing machine profile of configuration automatic draining sensing device of the present invention.
As shown in Figure 1, the dish-washing machine 100 of the automatic draining sensing device of configuration the present invention comprises: form the dish-washing machine profile, and the outer bucket 110 of dishwashing detergent bucket is set in inside; Be positioned at the door 111 of the front opening washing tube of outer bucket 110; Be installed in the middle part of outer bucket 110 bottom surfaces, and at the aqua storage tank 170 of internal reservoir washings.
The dish-washing machine 100 of the automatic draining sensing device of configuration the present invention also comprises: the washing pump 180 that is positioned at 170 li washings of aqua storage tank 170 internal high pressures suction aqua storage tank; Be installed in the downside of aqua storage tank 170, drive the washing motor 230 of aqua storage tank 170 inner washing pumps 180.
In addition, the dish-washing machine 100 of the automatic draining sensing device of configuration the present invention also comprises: constitute the aqueduct 140 that washing pump 180 aspirates the washings flow path that comes up; Be combined in the upper side of aqua storage tank 170, in the washing tube bottom surface to the lower nozzle 160 of upside jet cleaning water; Be combined in the upper lateral part of aqueduct 140, from the square vertically upward upper nozzle 150 that extends and be formed on the washing tube middle part of aqueduct 140; Be positioned at the top jet nozzle 155 of the square vertically downward jet cleaning water in top of outer bucket.
In addition, the dish-washing machine 100 of the automatic draining sensing device of configuration the present invention also comprises: the top tableware rack 120 that is installed in upper nozzle 150 upper lateral parts for the washings wash dining set that utilizes upper nozzle 150 to eject; Be installed in the side of aqua storage tank 170, in order to discharge the scupper hose 300 that becomes dirty washings in the washing process and be connected to the outside with draining pump 250 (with reference to Fig. 4).
More particularly, top tableware rack 120 is supported by the guide rail (not shown) that is arranged on outer bucket 110 medial surfaces, can move forward and backward.
The following describes the running of the dish-washing machine 100 that the present invention relates to.
At first, user's door 111 of opening dish-washing machine 100 is pulled out top tableware rack 120 and/or bottom tableware rack 130 to the washing tube outside.Then, put into tableware for 120,130 li at tableware rack.Then, close 111 back turn-on powers to the doorstep, make the dish-washing machine running.
After 100 li turn-on powers of dish-washing machine enter the washing stage, then flow into aqua storage tank 170 inside from the watering washing water supplied.And behind a certain amount of washings of inflow, washing motor 230 turns round in aqua storage tank.Therefore, be connected and be provided to impeller [impeller] (not shown) rotation of washing pump inside with the motor shaft of washing motor 230, washings are sucked into 140 li of lower nozzle 160 and aqueducts.
In addition, the washings that are drawn into 140 li of aqueducts finally flow to top jet nozzle 155 and upper nozzle 150, to the washing tube internal spray.Thus, the process washing stage is by the tableware on the washings cleaning tableware rack 120,130 that sprays.
Here, top jet nozzle 155 is to vertical lower jet cleaning water, and upper nozzle 150 is to vertical direction jet cleaning water, so the tableware on the top tableware rack 120 is cleaned.
In addition, lower nozzle 160 is to vertical direction jet cleaning water, so the tableware on the bottom tableware rack 130 is cleaned.And, also be formed with water jet in the bottom surface of upper nozzle 150, make washings both direction injection up and down, therefore also can wash the tableware upper side on the bottom tableware rack 130 simultaneously.
In addition, in washing process, come out to fall by nozzle ejection outside the washings of bucket bottom surface flow into 170 li of aqua storage tanks once more.And a part of washings that washing pump 180 suctions come up flow to sewage chamber (not shown) through turbidity transducer (not shown) back of aqua storage tank 170 inside.Afterwards, adverse current in the outside bucket after the sewage chamber washing water flowing is passed through the screen pack of aqua storage tank 170 upper lateral parts, foreign matter is stayed in the sewage chamber.In addition, the foreign matter of staying in the sewage chamber is discharged to the outside by draining pump 250 (with reference to Fig. 4) in drainage procedure.
In addition, washings then inject clean washings for 170 li to aqua storage tank by inflow entrance again after discharge the outside, and the same as with the washing stage nozzle 150,160 jet cleaning water.Therefore, enter the rinse stage of the injected clean washings rinsing of tableware.
And, if above-mentioned rinse stage finishes, enter baking stage.And then dish-washing machine is finished cleaning function.
Fig. 2 is that automatic draining sensing device of the present invention is installed in the state profile on the scupper hose.Fig. 3 is an automatic draining sensing device operating state profile of the present invention.
As shown in Figures 2 and 3, automatic draining sensing device of the present invention comprises: scupper hose 300, be installed in the Hall element 320 of scupper hose 300 outer peripheral faces, being installed in scupper hose 300 inner peripheral surfaces makes the washings of scupper hose 300 internal flows only to the mobile check valve 310 of a certain direction, the upper lateral part that is installed in check valve 310 produces the electromagnet 311 of magnetic force, connects Hall element 320 and receives the micro computer 330 of the perceptual signal of Hall element 320 outputs.
Describe the operation of automatic draining sensing device below in detail.
At first, if the filter of aqua storage tank 170 inside is blocked, washings can not pass through, and then washings flow to draining pump 250.If draining pump is assembled washings for 250 li, the pressure of draining pump 250 increases.In addition, the pressure of draining pump 250 reaches more than the critical pressure, and a part of washings are discharged from draining pump 250 and flowed into 300 li of scupper hoses.And the washings that flow into 300 li of scupper hoses upwards promote check valve 310.Check valve 310 is washed the water promotion and rises, and the electromagnet 311 that then is positioned at check valve 310 upsides is near Hall element 320.If distance reaches certain degree between electromagnet 311 and the Hall element 320, the pulse [pulse] that Hall element 320 perception electromagnet 311 produce.And the burst transmissions that Hall element 320 is accepted is to the micro computer 330 that is connected with Hall element 320, and thus, micro computer 330 perceives automatic draining phenomenon.Afterwards, if micro computer 330 receives automatic draining signal, then send signal to drain motor 240, drain motor 240 drives draining pump 250 and discharges washings, carries out forced drainage thus.
After the above-mentioned forced drainage process, aqua storage tank 170 inside flow into clean washings again, proceed washing process.
Fig. 4 is the dish-washing machine back side oblique view of the automatic draining sensing device of configuration the present invention.
Fig. 5 is another example structure figure of automatic draining sensing device of the present invention.
As Fig. 4 and shown in Figure 5, automatic draining sensing device of the present invention can be installed on draining pump 250 and the drainpipe 252 that the inner air-lock 400 that is formed with drainage channel is connected; Perhaps be installed in from draining pump 250 extend to form and discharge outlet 251 in conjunction with drainpipe 252 in.
In detail, the aqua storage tank 170 that is installed in outer bucket 110 bottom surfaces of dish-washing machine 100 includes and is installed in the washing motor 230 that the bottom surface drives washing pump 180, be positioned at the draining pump 250 of side, be connected to drive the drain motor 240 of draining pump with draining pump, a side that is positioned at draining pump 250 becomes the discharge outlet 251 of washings drainage channel.And a side of discharge outlet 251 connects with the drainpipe 252 that the air-lock 400 that is connected outer bucket 110 sides connects.And above-mentioned air-lock 400 is formed with in inside by the mobile drainage channel of the washings of drainpipe 252.And, on the terminal of drainage channel, connect scupper hose 300, so the washings of 250 li of draining pumps are discharged to the outside by scupper hose 300.
More particularly, at the discharge outlet 251 inner check valves 310 of installing of draining pump 250, electromagnet 311 is installed at check valve 310 upsides.And, at discharge outlet 251 outer peripheral faces Hall element 320 is installed.Here, face is described identical in front of the running of Hall element 320 and electromagnet 311, and according to technological thought of the present invention, the draining sensing device also can be installed on the drainpipe 252 that is connected with discharge outlet 251 automatically.
Claims (7)
1, a kind of automatic draining sensing device of dish-washing machine, comprise the aqua storage tank that stores washings, a side that is installed in aqua storage tank is discharged the draining pump of washings, it is characterized in that, also comprise the drainpipe that is connected and becomes the washings drain passageway with draining pump, be installed in the inner check valve that opens and closes discharge pipe line of drainpipe, be installed in the electromagnet that produces magnetic force on the check valve, be installed in the Hall element of the magnetic force that the outer peripheral face one side perception electromagnet of drainpipe produces.
2, the automatic draining sensing device of the described dish-washing machine of claim 1 is characterized in that, Hall element electromagnet enter into its certain distance in the time perceive magnetic force.
3, the automatic draining sensing device of dish-washing machine according to claim 1 is characterized in that electromagnet is installed in the check valve upside.
4, the automatic draining sensing device of dish-washing machine according to claim 1 is characterized in that, the discharge outlet that drainpipe extends to form in conjunction with the side from draining pump.
5, the automatic draining sensing device of dish-washing machine according to claim 1 is characterized in that, also includes the micro computer that produces the draining pump drive signal behind the perceptual signal that receives the Hall element perception.
6, a kind of automatic draining sensing device of dish-washing machine, a side that comprise the aqua storage tank that stores washings, is installed in aqua storage tank is discharged the draining pump of washings, it is characterized in that, also comprise the air-lock that is connected and forms drainage channel with draining pump in inside, connect air-lock and draining pump drainpipe, be installed in the inner check valve that opens and closes discharge pipe line of drainpipe, be installed in the electromagnet that produces magnetic force on the check valve, be installed in the Hall element of the magnetic force that the outer peripheral face one side perception electromagnet of drainpipe produces.
7, a kind of automatic draining sensing device of dish-washing machine, a side that comprise the aqua storage tank that stores washings, is installed in aqua storage tank is discharged the draining pump of washings, it is characterized in that, also comprise the air-lock that is connected and forms drainage channel with draining pump in inside, be connected on the air-lock to the scupper hose of outside discharge along the drainage channel washing water flowing, be installed in the inner check valve that opens and closes discharge pipe line of scupper hose, be installed in the electromagnet that produces magnetic force on the check valve, be installed in the Hall element of the magnetic force of scupper hose outer peripheral face one side perception electromagnet generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510015961 CN1899205A (en) | 2005-11-08 | 2005-11-08 | Automatic water discharge sensor of dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510015961 CN1899205A (en) | 2005-11-08 | 2005-11-08 | Automatic water discharge sensor of dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1899205A true CN1899205A (en) | 2007-01-24 |
Family
ID=37655332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510015961 Pending CN1899205A (en) | 2005-11-08 | 2005-11-08 | Automatic water discharge sensor of dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1899205A (en) |
-
2005
- 2005-11-08 CN CN 200510015961 patent/CN1899205A/en active Pending
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