CN103592001B - A kind of stirring station powder tank material-level detecting device and mixing plant - Google Patents
A kind of stirring station powder tank material-level detecting device and mixing plant Download PDFInfo
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- CN103592001B CN103592001B CN201310566532.7A CN201310566532A CN103592001B CN 103592001 B CN103592001 B CN 103592001B CN 201310566532 A CN201310566532 A CN 201310566532A CN 103592001 B CN103592001 B CN 103592001B
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- powder tank
- detecting element
- detecting device
- charge pipe
- level detecting
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Abstract
The invention discloses a kind of powder tank material-level detecting device and mixing plant.Described powder tank material-level detecting device comprises: multiple detecting element, it is inner that it is arranged on powder tank, and arrange in turn in the height direction, the height at its place whether is arrived for the powder detected in powder tank, described detecting element comprises inductive head, sensing chip and charge pipe, wherein, described inductive head is positioned at one end of charge pipe; Described sensing chip is positioned at the other end of described charge pipe, and described charge pipe has opening and is communicated with described powder tank, enters and discharge described charge pipe to allow the powder in powder tank; And addressable part, it is connected with described detecting element, and exports after the Detection Information of described multiple detecting element coding, and wherein, the quantity of the output port of described addressable part is less than the quantity of described detecting element.Stirring station powder tank material-level detecting device of the present invention has lower cost, and can realize material level metering (depending on the quantity of detecting element) of degree of precision.
Description
Technical field
The present invention relates to concrete-agitating technical field, particularly relate to a kind of powder tank material level code detection method and mixing plant thereof.
Background technology
Concrete mixing plant (building) is the complete specialized equipment preparing concrete mortar.This equipment mainly comprises pulpit, aggregate bin, powder material tank, metering and mixing part and grades.In existing equipment, usually adopt the blocking rotary type level-sensing device of upper and lower material level to report to the police to the metering method of powder tank material level, or adopt tank deck sound wave or radar type continuous material level meter to measure.Blocking rotary type level-sensing device can only show the highest and extreme lower position of powder tank, is difficult to display for the real-time material surplus of powder tank.And tank deck continous way level-sensing device price is relatively high, larger pressure is formed to the cost of whole mixing plant.
Therefore, wish that a kind of stirring station powder tank material-level detecting device overcomes or at least alleviates the above-mentioned defect of prior art.
Summary of the invention
A kind of stirring station powder tank material-level detecting device is the object of the present invention is to provide to overcome or at least alleviate the above-mentioned defect of prior art.
For achieving the above object, the invention provides a kind of powder tank material-level detecting device, described powder tank material-level detecting device comprises: multiple detecting element, it is inner that described multiple detecting element is arranged on powder tank, and arrange in turn in the height direction, whether each described detecting element arrives the height at its place for the powder detected in powder tank, and described detecting element comprises inductive head, sensing chip and charge pipe, wherein, described inductive head is positioned at one end of charge pipe; Described sensing chip is positioned at the other end of described charge pipe, and described charge pipe has opening and is communicated with described powder tank, enters and discharge described charge pipe to allow the powder in powder tank; And addressable part, it is connected with described detecting element, and exports after the Detection Information of described multiple detecting element coding, and wherein, the quantity of the output port of described addressable part is less than the quantity of described detecting element.
Preferably, described multiple detecting element equidistantly distributes in the short transverse of powder tank cavity volume.
Preferably, the quantity of described detecting element is 7-32, and the quantity of the output port of described addressable part is 3-5.
Preferably, the quantity of described multiple detecting element is 10, and the quantity of the output port of described addressable part is 4.
Preferably, described multiple detecting element closes on the inwall setting of described powder tank.
Preferably, described charge pipe is the pipe of horizontal-extending, has upper shed on the top of described charge pipe, has under shed in the bottom of described charge pipe, and described upper shed and described under shed in the vertical direction are aimed at mutually.
Preferably, described charge pipe is pipe.
Preferably, described addressable part is binary coding parts.
The present invention also provides a kind of mixing plant, described mixing plant comprises: powder tank, powder tank material-level detecting device, and controller, wherein, described powder tank material-level detecting device is powder tank material-level detecting device as above, and the output port of addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.
Preferably, described mixing plant comprises display further, and described display is connected with described controller, for showing the material level in powder tank.
Preferably, described controller is PLC.
Preferably, the quantity of described powder tank is two or more, and each powder tank arranges a powder tank material-level detecting device, and the output port of addressable part of each powder tank material-level detecting device is connected with the I/O port of described controller.
Stirring station powder tank material-level detecting device of the present invention has lower cost, and can realize material level metering (depending on the quantity of detecting element) of degree of precision.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the detecting element according to an embodiment of the invention in powder tank material-level detecting device.
Fig. 2 is the structural representation of the charge pipe xsect according to an embodiment of the invention in powder tank material-level detecting device.
Reference numeral:
| 1 | Inductive head | 4 | Charge pipe |
| 2 | Sensing chip | 41 | Upper shed |
| 3 | Hold-down nut | 42 | Under shed |
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Powder tank material-level detecting device according to the present invention one broad embodiment comprises: multiple detecting element and an addressable part.It is inner that described multiple detecting element is arranged on powder tank, and arrange in turn in the height direction, and whether each described detecting element arrives the height at its place for the powder detected in powder tank.Described addressable part is connected with described detecting element, and exports after the Detection Information of described multiple detecting element coding, and wherein, the quantity of the output port of described addressable part is less than the quantity of described detecting element.
In a not shown embodiment, the quantity of detecting element is 10, and the quantity of the output port of addressable part is 4.Described multiple detecting element equidistantly distributes in the short transverse of powder tank cavity volume.In this embodiment, powder tank cavity volume xsect in height remains unchanged, and 10 detecting elements are separately positioned on 0.1H, 0.2H, 0.3H, 0.4H, 0.5H, 0.6H, 0.7H, 0.8H, 0.9H and 1.0H place, and wherein, H is the height of powder tank cavity volume.Thus, the detecting element of foot detect there is powder herein time, can determine that the height of the material in powder tank is more than 0.1H.
Addressable part is connected with described detecting element, and exports after the Detection Information of described multiple detecting element coding.Specifically, described addressable part, to detecting that the detecting element at corresponding height place with material counts, exports after then count results being encoded, thus can estimate the amount of material in powder tank cavity volume more accurately.Be understandable that, the counting module that can arrange independent of coding module counts, also can by counting module and the integrated as a whole addressable part of coding module.
Below counting and coding are illustrated.Such as, detect when there is material at its respective heights place there being two detecting elements, addressable part (represents that there is material at respective heights place to the detecting element imposed a condition, such as, switch in the inductive head of detecting element disconnects) count results be 2, corresponding output encoder can be 0010, represent that the material in powder tank is 0.2V, wherein, V is the total measurement (volume) of powder tank cavity volume.That is, the material in powder tank [0.2V, 0.3V) half-open intervals within time, four outputs with 0010 are represented that in powder tank, material is for 0.2V.Be understandable that, maximum error now will reach 50%.A kind of more favourable mode is, 10 detecting elements are separately positioned on 0.05H, 0.15H, 0.25H, 0.35H, 0.45H, 0.55H, 0.65H, 0.75H, 0.85H and 0.95H place.Now, the material in powder tank [0.15V, 0.25V) half-open intervals within time, four outputs with 0010 are represented that in powder tank, material is for 0.2V.Maximum error can be reduced like this.
Be understandable that, in the above-described embodiment, addressable part is binary coding parts.But also can adopt the addressable part of other coding forms.Such as, three-shift or quarternary addressable part is adopted.But binary coding parts because it widely uses current be preferred.
It is pointed out that the quantity of detecting element is not limited to 10, the quantity of the output port of addressable part is also not limited to 4.Such as, the quantity of detecting element can 7-32, and the quantity of the output port of described addressable part be that 3-5 is individual accordingly.
Fig. 1 is the mounting structure schematic diagram of the detecting element according to an embodiment of the invention in powder tank material-level detecting device.Detecting element shown in Fig. 1 comprises by inductive head 1, sensing chip 2, charge pipe 4 and hold-down nut 3.Hold-down nut 3, for being fixedly mounted by the tank skin of detecting element relative to powder tank, such as, respectively arranges a hold-down nut 3 in the both sides of tank skin, by screwing two hold-down nuts 3 being located across on the bolt of tank skin and detecting element being fixed to tank skin.Preferably, detecting element closes on the tank skin installation of described powder tank.
Inductive head 1 is positioned at the left end of charge pipe 4.Sensing chip 2 is positioned at the right-hand member of charge pipe 4.Charge pipe 4 has the upper shed 41 and under shed 42 that are communicated with powder tank, enters and discharge charge pipe 4 to allow the powder in powder tank.
Detect height when granular material does not reach, when namely material does not enter charge pipe, do not stop between inductive head 1 and sensing chip 2, inductive head 1 can sense the sensing chip 2 on opposite, and the switch in inductive head 1 closes.When material reaches detection height, material enters charge pipe 4 by upper shed 41 and/under shed 42.Have material to stop between inductive head 1 and sensing chip 2, inductive head 1 no longer can sense the sensing chip 2 on opposite, and signal cuts off, and the switch in inductive head 1 disconnects.
Fig. 2 is the cross sectional representation of the charge pipe according to an embodiment of the invention in powder tank material-level detecting device.In the illustrated embodiment, charge pipe 4 is the pipe of horizontal-extending, has upper shed 41 on the top of charge pipe 4, has under shed 42 in the bottom of described charge pipe, cuts described upper shed 41 and described under shed 42 in the vertical direction is aimed at mutually.The xsect of described charge pipe can be any suitable shape, such as, can be pipe, also can be square tube.It is pointed out that the shape of charge pipe, bearing of trend etc. are not limited to illustrated concrete mode.Such as, charge pipe also can tilt to extend.
Mixing plant comprises according to an embodiment of the invention: powder tank, powder tank material-level detecting device, and controller (such as PLC), described powder tank material-level detecting device is powder tank material-level detecting device as above, and the output port of addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.Advantageously, described mixing plant comprises display further, and described display is connected with described controller, for showing the material level in powder tank.Thus indicate the material level in powder tank intuitively.
In a mixing plant, the quantity of powder tank can be two or more, and each powder tank arranges a powder tank material-level detecting device, and the output port of addressable part of each powder tank material-level detecting device is connected with the I/O port of described controller.
Stirring station powder tank material-level detecting device of the present invention has lower cost, and can realize material level metering (depending on the quantity of detecting element) of degree of precision.
Stirring station powder tank material-level detecting device of the present invention, under the prerequisite controlling measuring cost, increases powder tank material-level measure precision.And reduce controller IO point and take.This detection mode adopts 10, monotubular storehouse check point access counter, and switch adopts condenser type material inductive head, and the materials such as cement did not have inductive head, and switch closes.Calculate inductive head by counter and close quantity, result exports 4 scramblers to, input tetrad code.Read by PLC, so just being counted by IO is decreased to 4 again.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a powder tank material-level detecting device, is characterized in that, comprising:
Multiple detecting element, it is inner that described multiple detecting element is arranged on powder tank, and arrange in turn in the height direction, whether each described detecting element arrives the height at its place for the powder detected in powder tank, described detecting element comprises inductive head, sensing chip and charge pipe, wherein, described inductive head is positioned at one end of charge pipe; Described sensing chip is positioned at the other end of described charge pipe, and described charge pipe has opening and is communicated with described powder tank, enters and discharge described charge pipe to allow the powder in powder tank; And
Addressable part, it is connected with described detecting element, and exports after the Detection Information of described multiple detecting element coding,
Wherein, the quantity of the output port of described addressable part is less than the quantity of described detecting element.
2. powder tank material-level detecting device as claimed in claim 1, it is characterized in that, described multiple detecting element equidistantly distributes in the short transverse of powder tank cavity volume.
3. powder tank material-level detecting device as claimed in claim 2, is characterized in that, the quantity of described detecting element is 7-32, and the quantity of the output port of described addressable part is 3-5.
4. powder tank material-level detecting device as claimed in claim 2, it is characterized in that, the quantity of described multiple detecting element is 10, and the quantity of the output port of described addressable part is 4.
5. powder tank material-level detecting device as claimed in claim 1, is characterized in that, the inwall that described multiple detecting element closes on described powder tank is arranged.
6. the powder tank material-level detecting device according to any one of claim 1-5, it is characterized in that, described charge pipe is the pipe of horizontal-extending, on the top of described charge pipe, there is upper shed, have under shed in the bottom of described charge pipe, described upper shed and described under shed in the vertical direction are aimed at mutually.
7. powder tank material-level detecting device as claimed in claim 6, it is characterized in that, described charge pipe is pipe.
8. a mixing plant, comprise: powder tank, powder tank material-level detecting device, and controller, it is characterized in that, described powder tank material-level detecting device is the powder tank material-level detecting device according to any one of claim 1-7, and the output port of addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.
9. mixing plant as claimed in claim 8, it is characterized in that, comprise display further, described display is connected with described controller, for showing the material level in powder tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566532.7A CN103592001B (en) | 2013-11-14 | 2013-11-14 | A kind of stirring station powder tank material-level detecting device and mixing plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566532.7A CN103592001B (en) | 2013-11-14 | 2013-11-14 | A kind of stirring station powder tank material-level detecting device and mixing plant |
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| CN103592001A CN103592001A (en) | 2014-02-19 |
| CN103592001B true CN103592001B (en) | 2016-03-30 |
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| CN201310566532.7A Active CN103592001B (en) | 2013-11-14 | 2013-11-14 | A kind of stirring station powder tank material-level detecting device and mixing plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104097876B (en) * | 2014-07-07 | 2017-04-05 | 三一汽车制造有限公司 | The real-time detecting system of powder tank material position and method and mixing plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164446A (en) * | 1984-09-10 | 1986-03-19 | Rheinische Braunkohlenw Ag | Indicating level of powdered material |
| CN2117594U (en) * | 1992-03-20 | 1992-09-30 | 夏兴彪 | Electronic inductive charge level indicator |
| CN102183938A (en) * | 2011-05-20 | 2011-09-14 | 辽宁海诺建设机械集团有限公司 | Intelligent control system for dry mortar mixing plant |
| CN102350736A (en) * | 2011-07-27 | 2012-02-15 | 郑州水工机械有限公司 | Stirring building or station embedded control system |
| CN202279429U (en) * | 2011-08-30 | 2012-06-20 | 洛阳至圣科技有限公司 | Powder collection cabin with display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203268752U (en) * | 2013-04-19 | 2013-11-06 | 江苏科技大学 | Material level detecting device used in material storage tank |
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2013
- 2013-11-14 CN CN201310566532.7A patent/CN103592001B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2164446A (en) * | 1984-09-10 | 1986-03-19 | Rheinische Braunkohlenw Ag | Indicating level of powdered material |
| CN2117594U (en) * | 1992-03-20 | 1992-09-30 | 夏兴彪 | Electronic inductive charge level indicator |
| CN102183938A (en) * | 2011-05-20 | 2011-09-14 | 辽宁海诺建设机械集团有限公司 | Intelligent control system for dry mortar mixing plant |
| CN102350736A (en) * | 2011-07-27 | 2012-02-15 | 郑州水工机械有限公司 | Stirring building or station embedded control system |
| CN202279429U (en) * | 2011-08-30 | 2012-06-20 | 洛阳至圣科技有限公司 | Powder collection cabin with display device |
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| CN103592001A (en) | 2014-02-19 |
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Effective date of registration: 20200929 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |