CN103592001A - Mixing station powder tank material level detection device and mixing station - Google Patents
Mixing station powder tank material level detection device and mixing station Download PDFInfo
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- CN103592001A CN103592001A CN201310566532.7A CN201310566532A CN103592001A CN 103592001 A CN103592001 A CN 103592001A CN 201310566532 A CN201310566532 A CN 201310566532A CN 103592001 A CN103592001 A CN 103592001A
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- powder tank
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Abstract
The invention discloses a powder tank material level detection device and a mixing station. The mixing station is provided with the powder tank material level detection device. The powder tank material level detection device comprises a plurality of detection elements and an encoding component. The detection elements are arranged inside a powder tank and are arranged in sequence in the height direction, and each detection element is used for detecting whether powder materials in the powder tank reach the height or not. The encoding component is connected with the detection elements, encodes detection information of the detection elements and outputs the encoded detection information. The number of output ports of the encoding component is smaller than that of the detection elements. The mixing station powder tank material level detection device is low in cost and can achieve high-precision material level metering (depending on the number of the detection elements).
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 of preparing concrete mortar.This equipment mainly comprises pulpit, aggregate bin, powder material tank, metering and mixing part and grades.In existing equipment, to the metering method of powder tank material level, conventionally adopt the blocking rotary type level-sensing device of upper and lower material level to report to the police, 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, for the real-time material surplus of powder tank, is difficult to show.And tank deck continous way level-sensing device price is relatively high, the cost of whole mixing plant is formed to larger pressure.
Therefore, wish the above-mentioned defect that a kind of stirring station powder tank material-level detecting device overcomes or at least alleviate prior art.
Summary of the invention
The object of the present invention is to provide a kind of stirring station powder tank material-level detecting device 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: a plurality of detecting elements, it is inner that described a plurality of detecting element is arranged on powder tank, and arrange in turn in short transverse, described in each, whether detecting element arrives the height at its place for detection of the powder in powder tank; And addressable part, it is connected with described detecting element, and will after the detection information coding of described a plurality of detecting elements, export, and wherein, the quantity of the output port of described addressable part is less than the quantity of described detecting element.
Preferably, described a plurality of detecting element distributes in the short transverse equal intervals 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 a plurality of detecting elements is 10, and the quantity of the output port of described addressable part is 4.
Preferably, described a plurality of detecting element closes on the inwall setting of described powder tank.
Preferably, described detecting element comprises inductive head, sensing chip and charge pipe, and 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, to allow the powder in powder tank enter and discharge described charge pipe.
Preferably, described charge pipe is horizontally extending pipe, on the top of described charge pipe, has upper shed, in the bottom of described charge pipe, has under shed, 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, it is characterized in that, described powder tank material-level detecting device is powder tank material-level detecting device as claimed in any one of claims 1-9 wherein, and the output port of the addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.
Preferably, described mixing plant further comprises display, and described display is connected with described controller, for showing the material level of powder tank.
Preferably, described controller is PLC controller.
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 the 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 the material level metering (quantity that depends on detecting element) of degree of precision.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the detecting element in powder tank material-level detecting device according to an embodiment of the invention.
Fig. 2 is the structural representation of the charge pipe xsect in powder tank material-level detecting device according to an embodiment of the invention.
Reference numeral:
| 1 | |
4 | |
| 2 | |
41 | |
| 3 | Hold-down |
42 | Under shed |
Embodiment
For making object of the invention process, technical scheme and advantage clearer, 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 the element of identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, rather than whole embodiment.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
In description of the invention; it will be appreciated that; term " orientation or the position relationship of the indication such as " center ", " longitudinally ", " laterally ", 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " they are based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limiting the scope of the invention.
According to the present invention, the powder tank material-level detecting device of one wide in range embodiment comprises: a plurality of detecting elements and an addressable part.It is inner that described a plurality of detecting element is arranged on powder tank, and arrange in turn in short transverse, and described in each, whether detecting element arrives the height at its place for detection of the powder in powder tank.Described addressable part is connected with described detecting element, and will after the detection information coding of described a plurality of detecting elements, export, 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 a plurality of detecting element distributes in the short transverse equal intervals 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.Thereby, at the detecting element of foot, detect while thering is powder herein, can determine that the height of the material in powder tank surpasses 0.1H.
Addressable part is used with described detecting element and is connected, and will after the detection information coding of described a plurality of detecting elements, export.Particularly, described addressable part has the detecting element of material to be counted detecting at corresponding height place, output 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 is independent of coding module can be set and count, also can be by counting module and the integrated as a whole addressable part of coding module.
Below counting and coding are illustrated.For example, there are being two detecting elements to detect when its respective heights place has material, addressable part (represents that there is material at respective heights place to the detecting element imposing a condition, the for example disconnection of the switch in the inductive head of detecting element) count results is 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 to say, the material in powder tank [0.2V, 0.3V) half-open intervals within time, by take 0010 four outputs, represent that in powder tanks, material is 0.2V.Be understandable that, maximum error now will reach 50%.A kind of more favourable mode is that 10 detecting elements are separately positioned on to 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, by take 0010 four outputs, represent that in powder tanks, material is 0.2V.Can reduce maximum error 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.For example, adopt three-shift or quarternary addressable part.But binary coding parts because it is widely used current be preferred.
The quantity that it is pointed out that detecting element is not limited to 10, and the quantity of the output port of addressable part is also not limited to 4.For example, 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 in powder tank material-level detecting device according to an embodiment of the invention.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 the tank skin fixed installation with respect to powder tank by detecting element, for example, respectively arranges a hold-down nut 3 in the both sides of tank skin, by screwing to be positioned at through two hold-down nuts 3 on the bolt of tank skin, detecting element is fixed to tank skin.Preferably, detecting element closes on the tank skin installation of described powder tank.
When granular material reaches, do not detect height, when material does not enter charge pipe, between inductive head 1 and sensing chip 2, do not stop, inductive head 1 can sense the sensing chip 2 on opposite, and the switch in inductive head 1 is closed.When material reaches while detecting height, material by upper shed 41 and/under shed 42 enters charge pipe 4.Between inductive head 1 and sensing chip 2, have material to stop, 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 in powder tank material-level detecting device according to an embodiment of the invention.In the illustrated embodiment, charge pipe 4 is horizontally extending pipe, on the top of charge pipe 4, has upper shed 41, in the bottom of described charge pipe, has under shed 42, cuts described upper shed 41 and described under shed 42 in the vertical directions are aimed at mutually.The xsect of described charge pipe can be any suitable shape, for example, can be pipe, can be also square tube.Shape, bearing of trend that it is pointed out that charge pipe etc. is not limited to illustrated concrete mode.For example, 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 (for example PLC controller), it is characterized in that, described powder tank material-level detecting device is powder tank material-level detecting device as claimed in any one of claims 1-9 wherein, and the output port of the addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.Advantageously, described mixing plant further comprises display, and described display is connected with described controller, for showing the material level of powder tank.Thereby indicate intuitively the material level in powder tank.
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 the 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 the material level metering (quantity that depends on detecting element) of degree of precision.
Stirring station powder tank material-level detecting device of the present invention is being controlled under the prerequisite of measuring cost, increases powder tank material level accuracy of detection.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 is closed.By counter, calculate the closed quantity of inductive head, result exports 4 scramblers to, input tetrad code.By PLC, read again, so just IO is counted and is decreased to 4.
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 the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications 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 (10)
1. a powder tank material-level detecting device, is characterized in that, comprising:
A plurality of detecting elements, it is inner that described a plurality of detecting elements are arranged on powder tank, and arrange in turn in short transverse, and described in each, whether detecting element arrives the height at its place for detection of the powder in powder tank; And
Addressable part, it is connected with described detecting element, and will after the detection information coding of described a plurality of detecting elements, export,
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, is characterized in that, described a plurality of detecting elements distribute in the short transverse equal intervals 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, is characterized in that, the quantity of described a plurality of detecting elements is 10, and the quantity of the output port of described addressable part is 4.
5. stirring station powder tank material-level detecting device as claimed in claim 1, is characterized in that, described a plurality of detecting elements close on the inwall setting of described powder tank.
6. the powder tank material-level detecting device as described in any one in claim 1-5, is characterized in that, described detecting element comprises inductive head, sensing chip and charge pipe, and 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, to allow the powder in powder tank enter and discharge described charge pipe.
7. powder tank material-level detecting device as claimed in claim 6, it is characterized in that, described charge pipe is horizontally extending pipe, on the top of described charge pipe, has upper shed, bottom at described charge pipe has under shed, and described upper shed and described under shed in the vertical direction are aimed at mutually.
8. powder tank material-level detecting device as claimed in claim 7, is characterized in that, described charge pipe is pipe.
9. 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 as described in any one in claim 1-8, and the output port of the addressable part of described powder tank material-level detecting device is connected with the I/O port of described controller.
10. mixing plant as claimed in claim 9, is characterized in that, further comprises display, and described display is connected with described controller, for showing the material level of powder tank.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 true CN103592001A (en) | 2014-02-19 |
| CN103592001B CN103592001B (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097876A (en) * | 2014-07-07 | 2014-10-15 | 三一汽车制造有限公司 | Powder tank material level real-time detecting system and method and mixing station |
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| 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 |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN203268752U (en) * | 2013-04-19 | 2013-11-06 | 江苏科技大学 | Material level detecting device used in material storage tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104097876A (en) * | 2014-07-07 | 2014-10-15 | 三一汽车制造有限公司 | Powder tank material level real-time detecting system and method and mixing station |
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| CN103592001B (en) | 2016-03-30 |
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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. |
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