CN201845699U - Float ball multistage liquid level control switching device - Google Patents
Float ball multistage liquid level control switching device Download PDFInfo
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- CN201845699U CN201845699U CN2010205527371U CN201020552737U CN201845699U CN 201845699 U CN201845699 U CN 201845699U CN 2010205527371 U CN2010205527371 U CN 2010205527371U CN 201020552737 U CN201020552737 U CN 201020552737U CN 201845699 U CN201845699 U CN 201845699U
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- liquid level
- level control
- float
- multistage liquid
- guide rod
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Abstract
The embodiment of the utility model relates to a float ball multistage liquid level control switching device which comprises a float ball, a guide rod, an induction plate, a fixed plate and at least two inductors, wherein the lower end of the guide rod is connected with the float ball; the induction plate is fixed at the upper end of the guide rod and is parallel to the guide rod; and the inductors are arranged on the fixed plate stage by stage according to different heights and are used for inducting the induction plate. The multistage liquid level control switching device has wide application range, and adopts at least two photoswitches or proximity switches for inducting the induction plate, so that the switching device is stable and difficult to fail, the multistage liquid level control is realized; a limit pin and a chute are adopted for limiting, so as to prevent the rotation of the guide rod and the float ball in the up-and-down movement process; and a sealed sleeve is adopted, so that a control circuit and elements of the control circuit are separated from liquid and steam, and the working reliability is high.
Description
Technical field
The utility model relates to fluid level control device, relates in particular to a kind of float-ball type multistage liquid level control on-off device.
Background technology
At printed circuit board (PCB) (Printed Circuit Board, PCB) in the horizontal de-smear processing procedure in boring back, de-smear liquid medicine is the liquid of high temperature (75 ℃-90 ℃), high viscosity, strong oxidizing property, its liquid level control is the work of a complexity, and the present common practice is to adopt probe-type liquid-level switch or floating-ball level switch.
The inventor finds that there is following technical problem at least in prior art in implementing the utility model process: 1. can only respond to a liquid level, can not satisfy requirements at the higher level control needs; 2. when guide rod moves up and down, rotate with ball float easily; 3. the probe-type liquid-level switch is because the easy false sense of steam that liquid medicine high temperature produces should, and the magnetic reed switch of the normal employing of existing floating-ball level switch is installed in the tank body of sealing, at high temperature lost efficacy easily, control accuracy Bu Gou ﹔ 4. ball floats are when the guide rod direction rises, the viscosity soup rises with ball float and adheres on the guide rod, ball float is difficult for falling, and causes control fails.
The utility model content
The utility model embodiment technical problem to be solved is, provides that a kind of scope of application is wide, the high float-ball type multistage liquid level control on-off device that effectively prevents guide rod and ball float rotation of reliability.
For solving the problems of the technologies described above, the utility model provides a kind of float-ball type multistage liquid level control on-off device, comprises that ball float, lower end connect the guide rod of described ball float, also comprises the sensing chip that is fixed in described guide rod upper end and is parallel to described guide rod; Fixed head; The inductor of at least two described sensing chips of induction that on described fixed head, are provided with step by step according to differing heights.
Further, described guide rod is provided with the spacer pin perpendicular to described guide rod direction; Described float-ball type multistage liquid level control on-off device also comprises sleeve pipe; Be parallel to described guide rod direction on the described sleeve pipe and be provided with the chute of accommodating described spacer pin.
Further, described spacer pin is a cuboid or cylindrical.
Further, described guide rod passes described sleeve pipe, and described sleeve pipe upper and lower side and described guide rod are hermetically-sealed construction.
Further, described inductor is an optoelectronic switch or near switch.
Further, described float-ball type multistage liquid level control on-off device also comprises base.
Further, described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing.
Further, described fixed head is fixedlyed connected with described housing.
Further, described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing, and described base is fixedlyed connected with described housing.
Further, described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing, and described sleeve pipe is fixedlyed connected with described housing.
Technique scheme has following beneficial effect at least: 1. adopted the inductor of at least two described sensing chips of induction, realized the control of multistage liquid level; 2. it is spacing to have adopted described spacer pin and described chute to carry out, and prevents move up and down the rotation in the process of described guide rod and described ball float; 3. adopted the sealed type sleeve pipe, made control circuit and element thereof and liquid and steam isolate the functional reliability height.
Description of drawings
Fig. 1 is the float-ball type multistage liquid level control on-off device structural representation in a kind of execution mode of the utility model.
Fig. 2 is a multistage liquid level control on-off device cutaway view shown in Figure 1.
Embodiment
Please refer to Fig. 1 and Fig. 2, the multistage liquid level control on-off device comprises ball float 10, guide rod 20, sensing chip 30, fixed head 40 and inductor 50.
Described ball float 10 is cylindrical, places de-smear liquid medicine storage container.Described ball float 10 is airtight hollow, waterproof and the less materials that prevent liquid immersion effect function of proportion such as perhaps inner filling foam.
Fixedly connected with described ball float 10 in the lower end of described guide rod 20, the upper end freely reaches outside the described de-smear liquid medicine storage container.
Described sensing chip 30 is fixedly connected on the upper end of described guide rod 20, and is parallel to described guide rod 20.
Described fixed head 40 is strip.
Described inductor 50 has two at least, for optoelectronic switch or near switch, and when described sensing chip 30 moves up and down position to described inductor 50 correspondences with described guide rod 20, described inductor 50 triggering for generating one control signal.
Described float-ball type multistage liquid level control on-off device also comprises sleeve pipe 60, and this sleeve pipe 60 is the housing of cylindrical shape.Described guide rod 20 passes described sleeve pipe 60, described sleeve pipe 60 upper and lower sides and described guide rod 20 are the structure of sealing, thereby guarantee control circuit and the liquid in element and the de-smear liquid medicine storage container and the steam isolation of described float-ball type multistage liquid level control on-off device, work accuracy and reliability height.
Be provided with spacer pin 21 perpendicular to described guide rod 20 directions on the described guide rod 20, be parallel to described guide rod 20 directions on the described sleeve pipe 60 and be provided with chute 61.
Described spacer pin 21 is a cuboid or cylindrical, and described spacer pin 21 is contained in described chute 61, thereby prevents move up and down the rotation in the process of described guide rod 20 and described ball float 10 effectively.
Described float-ball type multistage liquid level control on-off device also comprises base 70.
Described base 70 is solid cuboid, and the center is provided with through hole, and described guide rod 20 diameters and described through-hole diameter adapt, thereby described guide rod 20 passes described through hole.
Described float-ball type multistage liquid level control on-off device also comprises housing 80.
Described housing 80 is hollow cuboid, and described fixed head 40, described sleeve pipe 60 and described base 70 are all fixedlyed connected with described housing 80.
Multistage liquid level control on-off device of the present utility model, adopted according to differing heights and the optoelectronic switch of at least two described sensing chips 30 of induction has been set step by step or near switch, stable and be difficult for losing efficacy, can respond to a plurality of liquid levels, monitoring liquid level situation of change realizes the control of multistage liquid level; It is spacing to have adopted described spacer pin 21 and described chute 61 to carry out, and prevents move up and down the rotation in the process of described guide rod 20 and described ball float 10; Adopted the described sleeve pipe 60 of sealed type, made control circuit and element thereof and liquid and steam isolate the functional reliability height; The multistage liquid level control on-off device scope of application of the present utility model is wide, reliability is high, especially is applied to the liquid level monitoring of the de-smear liquid medicine of high temperature, high viscosity, strong oxidizing property, and described ball float 10 is flexible up and down, and failure rate is little.
The above is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (10)
1. float-ball type multistage liquid level control on-off device, comprise that ball float, lower end connect the guide rod of described ball float, it is characterized in that described float-ball type multistage liquid level control on-off device also comprises: be fixed in described guide rod upper end and be parallel to the sensing chip of described guide rod; Fixed head; The inductor of at least two described sensing chips of induction that on described fixed head, are provided with step by step according to differing heights.
2. float-ball type multistage liquid level control on-off device as claimed in claim 1 is characterized in that, is provided with spacer pin perpendicular to described guide rod direction on the described guide rod; Described float-ball type multistage liquid level control on-off device also comprises sleeve pipe; Be parallel to described guide rod direction on the described sleeve pipe and be provided with the chute of accommodating described spacer pin.
3. float-ball type multistage liquid level control on-off device as claimed in claim 2 is characterized in that described spacer pin is a cuboid or cylindrical.
4. float-ball type multistage liquid level control on-off device as claimed in claim 2 is characterized in that described guide rod passes described sleeve pipe, and described sleeve pipe upper and lower side and described guide rod are hermetically-sealed construction.
5. float-ball type multistage liquid level control on-off device as claimed in claim 1 is characterized in that, described inductor is an optoelectronic switch or near switch.
6. as each described float-ball type multistage liquid level control on-off device among the claim 1-5, it is characterized in that described float-ball type multistage liquid level control on-off device also comprises base.
7. as each described float-ball type multistage liquid level control on-off device among the claim 1-5, it is characterized in that described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing.
8. float-ball type multistage liquid level control on-off device as claimed in claim 7 is characterized in that described fixed head is fixedlyed connected with described housing.
9. float-ball type multistage liquid level control on-off device as claimed in claim 6 is characterized in that, described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing, and described base is fixedlyed connected with described housing.
10. as claim 2 or 4 described float-ball type multistage liquid level control on-off devices, it is characterized in that described float-ball type multistage liquid level control on-off device also comprises hollow cuboid housing, described sleeve pipe is fixedlyed connected with described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205527371U CN201845699U (en) | 2010-10-08 | 2010-10-08 | Float ball multistage liquid level control switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205527371U CN201845699U (en) | 2010-10-08 | 2010-10-08 | Float ball multistage liquid level control switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845699U true CN201845699U (en) | 2011-05-25 |
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ID=44040584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205527371U Expired - Lifetime CN201845699U (en) | 2010-10-08 | 2010-10-08 | Float ball multistage liquid level control switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157791A (en) * | 2015-07-24 | 2015-12-16 | 苏州源申涂装净化设备有限公司 | Viscous liquid level meter |
| CN108827428A (en) * | 2018-08-15 | 2018-11-16 | 中山市铧禧电子科技有限公司 | A kind of liquid level emasuring device |
-
2010
- 2010-10-08 CN CN2010205527371U patent/CN201845699U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157791A (en) * | 2015-07-24 | 2015-12-16 | 苏州源申涂装净化设备有限公司 | Viscous liquid level meter |
| CN108827428A (en) * | 2018-08-15 | 2018-11-16 | 中山市铧禧电子科技有限公司 | A kind of liquid level emasuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |