CN203349907U - Dynamic zero point belt weigher - Google Patents
Dynamic zero point belt weigher Download PDFInfo
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- CN203349907U CN203349907U CN 201320409045 CN201320409045U CN203349907U CN 203349907 U CN203349907 U CN 203349907U CN 201320409045 CN201320409045 CN 201320409045 CN 201320409045 U CN201320409045 U CN 201320409045U CN 203349907 U CN203349907 U CN 203349907U
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- integrator
- zero point
- card reader
- frequency card
- communication module
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Abstract
The utility model relates to a belt weigher and specifically relates to a dynamic zero point belt weigher. A technical problem which needs to be solved is to provide a dynamic zero point belt weigher characterized by simplicity and convenience of use, adoption of a dynamic zero point and high metering precision. An adopted technical solution is characterized in that a monitoring part comprises a weigher rack, a weighing sensor, a velocity measurement sensor, an RF radio frequency card reader, an electronic label and an integrator; a display part comprises a display instrument; both the weighing sensor and the velocity measurement sensor are mounted on the weigher rack, the RF radio frequency card reader is mounted on the weigher rack, the electronic label is mounted on a belt, the RF radio frequency card reader is connected with the electronic label in a wireless manner, and the integrator comprises a one-chip microcomputer and a communication module; all of the weighing sensor, the velocity measurement sensor and the RF radio frequency card reader are connected with a signal input end of the integrator; a signal output end of the integrator is connected with the display instrument. The dynamic zero point belt weigher is mainly used for metering belt bulk materials.
Description
Technical field
The utility model relates to a kind of belt conveyer scale, is specifically related to belt conveyer scale at a kind of dynamic zero point.
Background technology
Belted electronic balance is the measuring apparatus of band conveyor loose unpacked material.Current domestic belted electronic balance is normally that the parts such as scale frame, LOAD CELLS, tachogenerator, weighing instrument and signal cable form by Weighing force transmission mechanism.Weighting manner is, the real-time weight that LOAD CELLS is responded to deducts surveyed a fixing zero point, and tare weight, be the weight of material in current weighing area.
The shortcoming of this weighting manner is: in reality, belt is that thickness differs, or even width differs, and on belt, adjunct is as belt lacing clamp patch etc. simultaneously, and will cause actual zero point is real-time change along with the variation of belt position.When belt conveyer scale measures with static zero point in the weighing process, can because of zero point upper error bring error on precision to scale.
The utility model content
The utility model overcomes the deficiency that prior art exists, technical matters to be solved be to provide a kind of uses simple, facilitate, adopt dynamic zero point, the belt conveyer scale at dynamic zero point that measuring accuracy is high.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: dynamically zero point belt conveyer scale, comprise: monitoring part and demonstration part, described monitoring part comprises the scale frame, LOAD CELLS and tachogenerator, display part divides and comprises Displaying Meter, described LOAD CELLS and tachogenerator are installed on the scale frame, described monitoring part also comprises the RF radio-frequency card reader, electronic tag and integrator, described RF radio-frequency card reader is arranged on the scale frame, electronic tag is arranged on belt, and RF radio-frequency card reader and electronic tag wireless connections, described integrator comprises single-chip microcomputer and communication module, described LOAD CELLS, tachogenerator all is connected with the signal input part of integrator with the RF radio-frequency card reader, the signal output part of described integrator is connected with Displaying Meter.
The communication module of described integrator or be the RS485 communication module, or be the CAN communication module, or be the MODEN communication module, or be optical fiber communication modules, or be the ethernet communication module.
The beneficial effect that the utility model compared with prior art had is: the utility model is simple in structure, easy to use, adopt electronic tag and RF radio-frequency card reader Real-Time Monitoring amount to be weighed zone to be positioned at the particular location of belt, thereby know the tare weight that this is regional, to calculate more accurate this weighing area weight of material, weighing is more accurate, and measuring accuracy is higher.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 adopts the curve map of dynamic zero point measurement weight in the utility model.
Fig. 3 is the static curve map of measuring weight zero point of available technology adopting.
In figure: 1 is the monitoring part, and 2 for showing part, and 3 is the scale frame, and 4 is LOAD CELLS, and 5 is tachogenerator, and 6 is the RF radio-frequency card reader, and 7 is electronic tag, and 8 is integrator, and 9 is Displaying Meter, and 10 is weight signal, and 11 is rate signal, and 12 is digital signal.
Embodiment
As shown in Figure 1, dynamically zero point belt conveyer scale, comprise: monitoring part 1 and demonstration part 2, described monitoring part 1 comprises scale frame 3, LOAD CELLS 4 and tachogenerator 5, show that part 2 comprises Displaying Meter 9, described LOAD CELLS 4 and tachogenerator 5 are installed on scale frame 3, it is characterized in that: described monitoring part 1 also comprises RF radio-frequency card reader 6, electronic tag 7 and integrator 8, described RF radio-frequency card reader 6 is arranged on scale frame 3, electronic tag 7 is arranged on belt, and RF radio-frequency card reader 6 and electronic tag 7 wireless connections, described integrator 8 comprises single-chip microcomputer and communication module, described LOAD CELLS 4, tachogenerator 5 all is connected with the signal input part of integrator 8 with RF radio-frequency card reader 6, the signal output part of described integrator 8 is connected with Displaying Meter 9.
The communication module of described integrator 8 or be the RS485 communication module, or be the CAN communication module, or be the MODEN communication module, or be optical fiber communication modules, or be the ethernet communication module.
In the utility model, RF radio-frequency card reader 6 and electronic tag 7 are prior art, LOAD CELLS 4, tachogenerator 5 and RF radio-frequency card reader 6 are installed on scale frame 3, electronic tag 7 is arranged on belt, simultaneously artificial belt is divided into n regional, and to take the bearing of electronic tag 7 be initiation region, RF radio-frequency card reader 6 and electronic tag 7 wireless connections, and the signal of reception electronic tag 7, i.e. the reference position signal of belt.While starting to calculate, the data transmission that LOAD CELLS 4, tachogenerator 5 are collected is to the single-chip microcomputer of integrator 8, the signal that integrator 8 transmits according to electronic tag 7 and the rate signal of tachogenerator 5, thereby calculate current weighing area and be positioned at certain zone on belt, and utilize zero point in current belt zone, the belt tare weight, calculate the weight of material of current weighing area, integrator 8 transfers data to Displaying Meter 9 by communication module, and Displaying Meter 9 demonstrates measurement result.In whole measuring process, adopt dynamic zero point, this weighing area is in certain zone of belt, thereby the tare weight that utilizes this belt zone is measured the weight of material of weighing area, the tare weight of belt is not being chosen mean value, adopts dynamic tare weight, make claim weight of material more accurate.
The utility model adopts the computing formula of calculating: (D-z (i)) * K=W obtains numerical value and plots curve, as shown in Figure 2; Existing belt conveyer scale adopts formula: (D-Z) * K=W obtains numerical value and plots curve, as shown in Figure 2; Wherein, D is the interior code value of real-time weight that LOAD CELLS is responded to, and Z is the static position that zero point, i was the belt operation, and z (i) is dynamic zero point, and K is coefficient of ranger, and W is net weight.
As shown in Figure 2 and Figure 3, adopt dynamic zero point and adopt to record weight of material static zero point and contrasted knownly, the weight of material that adopts record dynamic zero point is more accurate.
The utility model is from monitoring part 1 to showing that the signal transmission that divides 2 adopts digital transmission, and digital transmission employing modular designs, and communication module is arranged in integrator 8, and its selectable communication module and transmission range are:
1, RS485 communication module: module model: LC-485-01, communication cable adopts two core twisted-pair feeders, and communication distance can reach 1200m;
2, CAN communication module: module model: LC-CAN-01, communication cable adopts two core twisted-pair feeders, and communication distance can reach 10km;
3, MODEM communication module: module model: LC-MODEM-01, communication cable adopts two core telephone wires, and the leased-line mode communication distance can reach 10km, and telephone exchange mode communication distance can reach far away arbitrarily;
4, optical fiber communication modules: module model: LC-OPT-01, communication cable adopts two core single-mode fibers, and communication distance can reach 40km;
5, ethernet communication module: module model: LC-ETHERNET-01, fiber optic local area network mode communication distance can reach 40km, and internet mode communication distance can reach far away arbitrarily.
The above is explained in detail embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-described embodiment, in the ken possessed those of ordinary skills, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (2)
- Dynamically zero point belt conveyer scale, comprise: monitoring part (1) and demonstration part (2), described monitoring part (1) comprises scale frame (3), LOAD CELLS (4) and tachogenerator (5), show that part (2) comprises Displaying Meter (9), described LOAD CELLS (4) and tachogenerator (5) are installed on scale frame (3), it is characterized in that: described monitoring part (1) also comprises RF radio-frequency card reader (6), electronic tag (7) and integrator (8), described RF radio-frequency card reader (6) is arranged on scale frame (3), electronic tag (7) is arranged on belt, and RF radio-frequency card reader (6) and electronic tag (7) wireless connections, described integrator (8) comprises single-chip microcomputer and communication module, described LOAD CELLS (4), tachogenerator (5) all is connected with the signal input part of integrator (8) with RF radio-frequency card reader (6), the signal output part of described integrator (8) is connected with Displaying Meter (9).
- Dynamic zero point according to claim 1 belt conveyer scale, it is characterized in that: the communication module of described integrator (8) or for the RS485 communication module, or be the CAN communication module, or be the MODEN communication module, or be optical fiber communication modules, or be the ethernet communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320409045 CN203349907U (en) | 2013-07-10 | 2013-07-10 | Dynamic zero point belt weigher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320409045 CN203349907U (en) | 2013-07-10 | 2013-07-10 | Dynamic zero point belt weigher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349907U true CN203349907U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320409045 Expired - Fee Related CN203349907U (en) | 2013-07-10 | 2013-07-10 | Dynamic zero point belt weigher |
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| Country | Link |
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| CN (1) | CN203349907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985551A (en) * | 2021-02-06 | 2021-06-18 | 安徽新华学院 | Electronic belt scale electrical parameter testing method based on virtual instrument |
-
2013
- 2013-07-10 CN CN 201320409045 patent/CN203349907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985551A (en) * | 2021-02-06 | 2021-06-18 | 安徽新华学院 | Electronic belt scale electrical parameter testing method based on virtual instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131218 Termination date: 20200710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |