JPS635432U - - Google Patents
Info
- Publication number
- JPS635432U JPS635432U JP9947886U JP9947886U JPS635432U JP S635432 U JPS635432 U JP S635432U JP 9947886 U JP9947886 U JP 9947886U JP 9947886 U JP9947886 U JP 9947886U JP S635432 U JPS635432 U JP S635432U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic force
- lifting electromagnet
- electromagnet
- weight
- outputs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
第1図は本考案の原理説明図、第2図は一実施
例の概略構成図、第3図は磁力増減信号と吊り上
げ電磁石の吸着力との関係を示す図である。
1……吊り上げ電磁石、2……計重機、3……
比較手段(比較器)、4……制御部、5……電磁
石駆動手段(電磁石電源)、6……磁力増減信号
発生装置、10……制御装置、11……移動クレ
ーン、13……荷重検出器、15……被計量物。
FIG. 1 is a diagram explaining the principle of the present invention, FIG. 2 is a schematic diagram of an embodiment, and FIG. 3 is a diagram showing the relationship between magnetic force increase/decrease signals and the attraction force of the lifting electromagnet. 1... Lifting electromagnet, 2... Weighing machine, 3...
Comparison means (comparator), 4... Control unit, 5... Electromagnet drive means (electromagnet power supply), 6... Magnetic force increase/decrease signal generator, 10... Control device, 11... Mobile crane, 13... Load detection Vessel, 15...Object to be measured.
Claims (1)
吊り上げて計重機上に落下供給するように構成さ
れた計量装置において、 計重機内の被計量物の実際重量とあらかじめ設
定された目標重量とを比較する比較手段と、 上記比較手段で検出された実際重量と目標重量
との差が吊り上げ電磁石の1回分の最大吊り上げ
可能重量よりも大きい時には、吊り上げ電磁石を
最大磁力の状態でオンオフする信号を出力し、実
際重量と目標重量との差が吊り上げ電磁石の1回
分の最大吊り上げ可能重量よりも小さくなると、
吊り上げ電磁石の磁力を徐々に減少させる磁力低
減信号を出力するとともに、実際重量と目標重量
との差が0になると、吊り上げ電磁石の磁力を増
加させる磁力増加信号を出力する制御部と、 上記制御部から出力される信号に応じて、吊り
上げ電磁石への供給電流を出力する電磁石駆動手
段、 とを備えた計量装置の制御装置。[Scope of Claim for Utility Model Registration] In a weighing device configured to lift an object to be weighed made of a ferromagnetic material using an electromagnet and drop it onto a weighing machine, When the difference between the actual weight and the target weight detected by the comparison means is larger than the maximum weight that the lifting electromagnet can lift for one time, the lifting electromagnet is moved to the maximum magnetic force. outputs a signal that turns on and off in the state, and when the difference between the actual weight and the target weight becomes smaller than the maximum weight that can be lifted by the lifting electromagnet for one time,
a control unit that outputs a magnetic force reduction signal that gradually reduces the magnetic force of the lifting electromagnet, and outputs a magnetic force increase signal that increases the magnetic force of the lifting electromagnet when the difference between the actual weight and the target weight becomes 0; A control device for a weighing device, comprising: electromagnet driving means for outputting a supply current to a lifting electromagnet in accordance with a signal output from the lifting electromagnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9947886U JPS635432U (en) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9947886U JPS635432U (en) | 1986-06-27 | 1986-06-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS635432U true JPS635432U (en) | 1988-01-14 |
Family
ID=30968388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9947886U Pending JPS635432U (en) | 1986-06-27 | 1986-06-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS635432U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01242712A (en) * | 1988-03-25 | 1989-09-27 | Shinko Electric Co Ltd | Steel material feeder using lifting electromagnet |
-
1986
- 1986-06-27 JP JP9947886U patent/JPS635432U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01242712A (en) * | 1988-03-25 | 1989-09-27 | Shinko Electric Co Ltd | Steel material feeder using lifting electromagnet |
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