CN202994251U - Liquid level detection device and slurry updating system - Google Patents

Liquid level detection device and slurry updating system Download PDF

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Publication number
CN202994251U
CN202994251U CN 201220677076 CN201220677076U CN202994251U CN 202994251 U CN202994251 U CN 202994251U CN 201220677076 CN201220677076 CN 201220677076 CN 201220677076 U CN201220677076 U CN 201220677076U CN 202994251 U CN202994251 U CN 202994251U
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China
Prior art keywords
slurry
liquid level
detection device
level detection
housing
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Expired - Fee Related
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CN 201220677076
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Chinese (zh)
Inventor
王俊涛
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Yingli Energy China Co Ltd
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Yingli Energy China Co Ltd
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Priority to CN 201220677076 priority Critical patent/CN202994251U/en
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Abstract

The utility model provides a liquid level detection device and a slurry updating system. The liquid level detection device comprises a housing comprising an opening, a liquid level floating indication unit one end of which penetrates through the opening and is movably arranged in the housing, an induction switch mounted on the side wall of the housing, and an inductive target arranged on the liquid level floating indication unit and positioned in the housing, wherein the induction switch is triggered when the inductive target moves to the position corresponding to the induction switch. The induction switch is arranged on the liquid level detection device and electrically connected with a solenoid valve arranged in a slurry input pipeline, so that the operation of continuously filling slurry into a slurry tank is stopped by triggering the induction switch. Whether the slurry needs to be continuously filled into the slurry tank or not is no longer judged by human eyes, and the operation of continuously filling the slurry into the slurry tank is stopped by triggering the induction switch, so that the accuracy of slurry updating amount is improved, the production waste is reduced, and the cutting quality is improved.

Description

Liquid level detection device and slurry update system
Technical field
The utility model relates to the measure and control device field, more specifically, relates to a kind of liquid level detection device and slurry update system.
Background technology
In the measure and control device field, in the process that liquid level detection device and slurry update system are widely used in manufacturing.
In the process of making solar battery sheet, need to use scroll saw cutting machine (for example NTC442 lathe) that crystal bar is cut, thereby form a plurality of silicon chips (for example thickness is the thin slice of 180 microns).The scroll saw cutting machine comprises the steel wire for the cutting crystal bar, and slurry need to be adhered to improve the cutting performance of steel wire in the surface of steel wire.Slurry is comprised of polyglycol and silit, and polyglycol can make silit more be attached to the surface of steel wire as organic solvent, because silit is comprised of hard and irregular molecule, thereby has improved the cutting performance of steel wire.
In the process of cutting crystal bar, crystal bar is clamped to be fixed on worktable, and the steel wire that is attached with slurry by use grinds crystal bar, thereby crystal bar is cut into silicon chip.Because silicon-carbide particle in cutting process can be because wearing and tearing reduce cutting power, thereby again cut more new slurry of time needs.New slurry, the production cost that need to inject 300L due to slurry of renewal are high, thereby need accurately to control the injection rate IR of new slurry, thereby avoid waste, save production cost.
Slurry update system of the prior art comprises slurry cylinder, slurry storage device, slurry input channel, liquid level detection device and slurry output channel, the slurry memory storage is connected with slurry cylinder by the slurry input channel, the part of liquid level detection device is arranged in slurry cylinder, and the slurry output channel is connected with slurry cylinder.New slurry injects slurry cylinder by the slurry input channel, and old slurry is discharged from slurry cylinder by the slurry output channel.
Use slurry update system of the prior art more during new slurry, the staff still need to judge whether to continue to inject slurry by the level value of observing liquid level detection device and showing.Owing to only judging that by human eye the renewal amount of slurry is inaccurate, thereby very easily occur because new slurry more too much causes producing the problem of waste, or cause because new slurry more is very few that the steel wire cutting performance descends, cut quality the descends problem of (even occur kerf appears in silicon chip surface wearing and tearing, silicon chip surface, silicon chip is scrapped).
The utility model content
The utility model aims to provide a kind of liquid level detection device and slurry update system, thereby to solve in prior art owing to only relying on human eye judgement slurry renewal amount to cause the inaccurate problem that causes production waste, the decline of steel wire cutting performance, cut quality to descend of slurry renewal amount.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of liquid level detection device, comprising: housing, housing comprises perforate; The floating indicating member of liquid level, an end of the floating indicating member of liquid level passes perforate, and is movably arranged on the inside of housing; Inductive switch, inductive switch are arranged on the sidewall of housing; The induction targets thing is arranged on the floating indicating member of liquid level, triggers inductive switch when moving to the position corresponding with inductive switch, and the induction targets thing is positioned at the inside of housing.
Further, the floating indicating member of liquid level comprises bar section and cursory, and perforate is passed by bar section, the first end of bar section is positioned at the inside of housing, the second end of bar section is positioned at the outside of housing, and the induction targets thing is arranged on the first end of bar section, cursory the second end that is arranged on bar section.
Further, liquid level detection device also comprises scale, and scale is arranged on the lateral wall of housing along the direction of motion of bar section.
Further, the induction targets thing is magnetic element.
Further, inductive switch is magnetic switch.
According to another aspect of the present utility model, a kind of slurry update system is provided, comprise slurry cylinder, liquid level detection device, slurry storage device, slurry input channel and slurry output channel, the slurry storage device is connected with slurry cylinder by the slurry input channel, the slurry output channel is connected with slurry cylinder, liquid level detection device is connected with slurry cylinder, and liquid level detection device is above-mentioned liquid level detection device, and the housing of liquid level detection device is connected with slurry cylinder.
Further, the slurry update system also comprises pump, and the slurry output channel is connected with slurry cylinder by pump.
Further, the slurry update system also comprises the solenoid valve that is arranged on the slurry input channel.
Further, the slurry update system also comprises control knob and power supply, the first end of control knob is electrically connected to the positive pole of power supply, the second end of control knob is electrically connected to the first end of the inductive switch of liquid level detection device, the second end of inductive switch is electrically connected to the first end of solenoid valve, and the second end of solenoid valve is connected with the negative electricity of power supply.
Be provided with the induction targets thing on the floating indicating member of liquid level of the present utility model, and an end that will be provided with the floating indicating member of liquid level of induction targets thing is located in the inside of housing, by on the sidewall of housing, inductive switch being set, thereby make the induction targets thing trigger inductive switch when moving to the position corresponding with inductive switch.Owing to being provided with inductive switch on liquid level detection device, and inductive switch is electrically connected to solenoid valve in being arranged on the slurry input channel, thereby stops continuing to inject slurry in slurry cylinder by triggering inductive switch.Owing to no longer judging whether to need to continue to inject slurry by human eye, inject slurry but stop continuation by the triggering inductive switch, thereby improved the accuracy of slurry renewal amount, reduced and produced waste, and then improved cut quality.Simultaneously, the liquid level detection device in the utility model also has characteristics simple in structure, low cost of manufacture.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the liquid level detection device in the utility model;
Fig. 2 has schematically shown the structural representation of the housing in the utility model;
Fig. 3 has schematically shown the electrical connection schematic diagram of the power supply in the utility model, protective resistance, inductive switch, solenoid valve and control knob; And
Fig. 4 has schematically shown the structural representation of the slurry update system in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As first aspect of the present utility model, provide a kind of liquid level detection device.As depicted in figs. 1 and 2, liquid level detection device comprises: housing 10, and housing 10 comprises perforate 11; The floating indicating member 20 of liquid level, an end of the floating indicating member 20 of liquid level passes perforate 11, and is movably arranged on the inside of housing 10; Inductive switch 30, inductive switch 30 are arranged on the sidewall of housing 10; Induction targets thing 40 is arranged on the floating indicating member 20 of liquid level, triggers inductive switch 30 when moving to the position corresponding with inductive switch 30, and induction targets thing 40 is positioned at the inside of housing 10.
Because passing perforate 11, an end of the floating indicating member 20 of liquid level is movably arranged on housing 10 inside, thereby when the floating indicating member 20 of liquid level contacts with liquid level, the floating indicating member 20 of liquid level floats on liquid level, and can indicating member 20 floating according to the Level Change liquid level of liquid level stretches into the position in housing 10.When the induction targets thing 40 on the floating indicating member 20 of liquid level rose to the position corresponding with inductive switch 30 under the effect that liquid level raises, induction targets thing 40 triggered inductive switch 30.Preferably in embodiment, inductive switch 30 is normally closed switch, thereby when induction targets thing 40 triggered inductive switch 30, inductive switch 30 was changed into off-state by conducting state one.Owing to no longer only judging the variation of liquid level by human eye, and change to determine whether liquid level arrives the target location by the state of inductive switch 30, thereby improved the liquid level Accuracy of Judgement, improved the dependability of liquid level detection device.Simultaneously, the liquid level detection device in the utility model also has characteristics simple in structure, low cost of manufacture.
Preferably, inductive switch 30 is removably mounted on the sidewall of housing 10.Be removably mounted on due to inductive switch 30 on the sidewall of housing 10, thereby the staff can determine according to the target location that the liquid level needs reach the installation site of inductive switch 30, thereby when making induction targets thing 40 with inductive switch 30 induction, change the state of inductive switch 30, and then enlarged the usable range of liquid level detection device.
Preferably, the induction targets thing 40 in the utility model is magnetic elements.Further, the inductive switch in the utility model 30 is magnetic switchs.Magnetic element coordinates with magnetic switch, can change the original duty of magnetic switch.Certainly, induction targets thing 40 can also be infrared light sources, and inductive switch 30 is the infrared receiver sensors that match with infrared light sources.
In embodiment as depicted in figs. 1 and 2, the floating indicating member 20 of liquid level comprises bar section 21 and cursory 22, perforate 11 is passed by bar section 21, the first end of bar section 21 is positioned at the inside of housing 10, the second end of bar section 21 is positioned at the outside of housing 10, induction targets thing 40 is arranged on the first end of bar section 21, and cursory 22 are arranged on the second end of bar section 21.Owing to being provided with cursory 22, and cursory 22 are connected with bar section 21, thereby when cursory 22 of the floating indicating member 20 of liquid level contacts with liquid level, cursory 22 can change bar section 21 in the position of stretching into of housing 10 inside according to the variation of liquid level, thereby make the first end of bar section 21 indicate different liquid levels.Because the first end in bar section 21 is provided with induction targets thing 40, thereby when induction targets thing 40 arrived the predeterminated position of inductive switches 30, induction targets thing 40 can be controlled the duty (conducting or disconnection) of inductive switch 30.
Preferably, as shown in Figure 2, liquid level detection device also comprises scale 50, and scale 50 is arranged on the lateral wall of housing 10 along the direction of motion of bar section 21.Owing to being provided with scale 50, thereby facilitate the staff to read level value, and the staff can determine the installation site of inductive switch 30 easily according to scale 50, thereby improve dependability and the work efficiency of liquid level detection device.
As second aspect of the present utility model, provide a kind of slurry update system.As shown in Figures 1 to 4, the slurry update system comprises slurry cylinder 60, liquid level detection device 61, slurry storage device 62, slurry input channel 63 and slurry output channel 64, slurry storage device 62 is connected with slurry cylinder 60 by slurry input channel 63, slurry output channel 64 is connected with slurry cylinder 60, liquid level detection device 61 is connected with slurry cylinder 60, liquid level detection device 61 is above-mentioned liquid level detection devices 61, and the housing 10 of liquid level detection device 61 is connected with slurry cylinder 60.
Because slurry storage device 62 is connected with slurry cylinder 60 by slurry input channel 63, thereby when injecting new slurry, slurry can pass through slurry input channel 63 from slurry storage device 62 inflow slurry cylinders 60.Because slurry output channel 64 is connected with slurry cylinder 60, thereby old slurry can be discharged from slurry cylinder 60 by slurry output channel 64.Owing to being provided with liquid level detection device 61, thereby liquid level detection device 61 can be according to the corresponding level value of liquid level indication of slurry cylinder 60 interior slurries.
Slurry update system in the utility model also comprises the solenoid valve 66 that is arranged on slurry input channel 63.Due to solenoid valve 66 being installed on slurry input channel 63, thereby by changing the working position of solenoid valve 66, can control and whether the slurry in slurry storage device 62 be injected slurry cylinder 60 via slurry input channel 63, thereby the renewal amount of slurry is controlled.
Preferably, as shown in Figure 3 and Figure 4, the slurry update system also comprises control knob 67 and power supply, the first end of control knob 67 is electrically connected to the positive pole of power supply, the second end of control knob 67 is electrically connected to the first end of the inductive switch 30 of liquid level detection device 61, the second end of inductive switch 30 is electrically connected to the first end of solenoid valve 66, and the second end of solenoid valve 66 is connected with the negative electricity of power supply.Preferably, the slurry update system also comprises protective resistance 68, and power supply is electrically connected to control knob 67 by protective resistance 68.Owing to being provided with protective resistance 68, thereby effectively avoid the excessive and problem that causes solenoid valve 66 to damage of momentary current, thereby improved the dependability of slurry update system.
Owing to being provided with control knob 67, thereby can control the duty of solenoid valve 66 by controlling control knob 67, thereby control whether inject slurry in slurry cylinder 60.Because inductive switch 30 is electrically connected to control knob 67 and solenoid valve 66, and inductive switch 30 is normally off, thereby when the staff presses control knob 67, power supply will be to solenoid valve 66 power supplies, thereby make solenoid valve 66 work, make the slurry in slurry storage device 62 inject slurry cylinder 60 by slurry input channel 63.process in the new slurry injection, the height of the interior slurry liquid face of slurry cylinder 60 constantly rises, thereby make the cursory 22 driven rod sections 21 of liquid level detection device 61 in the interior continuous rising of housing 10, when the slurry liquid level is elevated to a certain position, the induction targets thing 40 of liquid level detection device 61 arrives the position that inductive switch 30 is preset, thereby trigger inductive switch 30 and make inductive switch 30 change off-state into from closure state, thereby make power supply no longer to solenoid valve 66 power supplies, even this moment, control knob 67 was still in running order, solenoid valve 66 also will quit work, and then stop injecting slurry.Owing to no longer judging whether need to continue to inject slurry by human eye, but determine whether to continue to inject slurry by conducting or the disconnection of inductive switch 30, thereby improved the accuracy of slurry renewal amount, guaranteed the dependability of slurry updating device.Simultaneously, reduced and produced waste, and then improved cut quality.
Preferably, power supply is 24 volts of direct supplys.
Preferably, as shown in Figure 4, the slurry update system also comprises pump 65, and slurry output channel 64 is connected with slurry cylinder 60 by pump 65.Owing to being provided with pump 65, thereby whether the staff can control and from slurry cylinder 60, old slurry be extracted out by the duty of control pump 65.Preferably, the slurry update system also comprises slurry extraction button, and slurry is extracted button out and is electrically connected to pump 65.Extract button out owing to being provided with slurry, but thereby staff's duty of extracting button control pump 65 out by the operation slurry, thereby control whether extract old slurry out, and then facilitate the staff that the slurry update system is operated.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a liquid level detection device, is characterized in that, comprising:
Housing (10), described housing (10) comprises perforate (11);
The floating indicating member of liquid level (20), an end of the floating indicating member of described liquid level (20) passes described perforate (11), and is movably arranged on the inside of described housing (10);
Inductive switch (30), described inductive switch (30) is arranged on the sidewall of described housing (10);
Induction targets thing (40), be arranged on the floating indicating member of described liquid level (20), trigger described inductive switch (30) when moving to the position corresponding with described inductive switch (30), described induction targets thing (40) is positioned at the inside of described housing (10).
2. liquid level detection device according to claim 1, it is characterized in that, the floating indicating member of described liquid level (20) comprises bar section (21) and cursory (22), described perforate (11) is passed by described bar section (21), the first end of described bar section (21) is positioned at the inside of described housing (10), the second end of described bar section (21) is positioned at the outside of described housing (10), described induction targets thing (40) is arranged on the described first end of described bar section (21), and described cursory (22) are arranged on described second end of described bar section (21).
3. liquid level detection device according to claim 2, is characterized in that, described liquid level detection device also comprises scale (50), and described scale (50) is arranged on the lateral wall of described housing (10) along the direction of motion of described bar section (21).
4. liquid level detection device according to claim 1, is characterized in that, described induction targets thing (40) is magnetic element.
5. liquid level detection device according to claim 4, is characterized in that, described inductive switch (30) is magnetic switch.
6. slurry update system, comprise slurry cylinder (60), liquid level detection device (61), slurry storage device (62), slurry input channel (63) and slurry output channel (64), described slurry storage device (62) is connected with described slurry cylinder (60) by described slurry input channel (63), described slurry output channel (64) is connected with described slurry cylinder (60), described liquid level detection device (61) is connected with described slurry cylinder (60), it is characterized in that, described liquid level detection device (61) is the described liquid level detection device of any one (61) in claim 1 to 5, the housing (10) of described liquid level detection device (61) is connected with described slurry cylinder (60).
7. slurry update system according to claim 6, is characterized in that, described slurry update system also comprises pump (65), and described slurry output channel (64) is connected with described slurry cylinder (60) by described pump (65).
8. slurry update system according to claim 6, is characterized in that, described slurry update system also comprises the solenoid valve (66) that is arranged on described slurry input channel (63).
9. slurry update system according to claim 8, it is characterized in that, described slurry update system also comprises control knob (67) and power supply, the first end of described control knob (67) is electrically connected to the positive pole of described power supply, the second end of described control knob (67) is electrically connected to the first end of the inductive switch (30) of described liquid level detection device (61), the second end of described inductive switch (30) is electrically connected to the first end of described solenoid valve (66), and the second end of described solenoid valve (66) is connected with the negative electricity of described power supply.
CN 201220677076 2012-12-10 2012-12-10 Liquid level detection device and slurry updating system Expired - Fee Related CN202994251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220677076 CN202994251U (en) 2012-12-10 2012-12-10 Liquid level detection device and slurry updating system

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Application Number Priority Date Filing Date Title
CN 201220677076 CN202994251U (en) 2012-12-10 2012-12-10 Liquid level detection device and slurry updating system

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CN202994251U true CN202994251U (en) 2013-06-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107390732A (en) * 2017-09-26 2017-11-24 佛山市南海鑫隆机工机械有限公司 A kind of grouting gun structure of slip casting line
CN111076794A (en) * 2019-12-26 2020-04-28 环弘自动化仪表科技江苏有限公司 Quick response type liquid level detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107390732A (en) * 2017-09-26 2017-11-24 佛山市南海鑫隆机工机械有限公司 A kind of grouting gun structure of slip casting line
CN111076794A (en) * 2019-12-26 2020-04-28 环弘自动化仪表科技江苏有限公司 Quick response type liquid level detection device
CN111076794B (en) * 2019-12-26 2021-05-18 环弘自动化仪表科技江苏有限公司 Quick response type liquid level detection device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20161210

CF01 Termination of patent right due to non-payment of annual fee