JPH0323002U - - Google Patents
Info
- Publication number
- JPH0323002U JPH0323002U JP8320589U JP8320589U JPH0323002U JP H0323002 U JPH0323002 U JP H0323002U JP 8320589 U JP8320589 U JP 8320589U JP 8320589 U JP8320589 U JP 8320589U JP H0323002 U JPH0323002 U JP H0323002U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- output
- circuit
- heat generation
- comparator
- 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.)
- Granted
Links
- 230000020169 heat generation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims 6
- 238000010438 heat treatment Methods 0.000 claims 4
- 230000007423 decrease Effects 0.000 claims 3
- 230000010354 integration Effects 0.000 claims 3
- 206010037660 Pyrexia Diseases 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000000155 melt Substances 0.000 claims 2
- 229920001169 thermoplastic Polymers 0.000 claims 2
- 239000004416 thermosoftening plastic Substances 0.000 claims 2
- 238000012856 packing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Basic Packing Technique (AREA)
- Package Closures (AREA)
Description
第１図は請求項１に対応する技術的手段の概念
説明図、第２図は請求項２に対応する技術的手段
の概念図、第３図は第１実施例の説明図、第４図
は第２実施例の説明図であり、図中、
１……ヒータ監視回路、２……積分回路、３…
…比較器、４……制御スイツチ、５……ヒータ、
３２……放電回路、１３……発熱状態検知回路。
FIG. 1 is a conceptual explanatory diagram of technical means corresponding to claim 1, FIG. 2 is a conceptual diagram of technical means corresponding to claim 2, FIG. 3 is an explanatory diagram of the first embodiment, and FIG. is an explanatory diagram of the second embodiment, and in the diagram, 1... heater monitoring circuit, 2... integral circuit, 3...
...Comparator, 4...Control switch, 5...Heater,
32... Discharge circuit, 13... Heat generation state detection circuit.
Claims (1)
合部を溶着すべく該梱包バンドを加熱溶融するヒ
ータの加熱装置に於いて、ヒータ５に流れる電流
の減少に伴なつて出力低下するヒータ監視回路１
と、該ヒータ監視回路１の出力を積分する積分回
路２と、この積分回路２の出力を上記積分速度よ
りゆつくりと継続放電する放電回路３２と、積分
回路２の出力と基準値を比較して前者の出力が大
きくなつたときに発熱停止信号を出す比較器３を
設け、該比較器３が出す発熱停止信号でヒータ５
への電気供給を停止又は減少させるようにした梱
包機のヒータ加熱装置。 被梱包物に捲回した熱可塑性梱包バンドの重
合部を溶着すべく該梱包バンドを加熱溶融するヒ
ータの加熱装置に於いて、ヒータ５に流れる電流
が所定量以下に低下したときに「Ｌ」信号を出す
発熱状態検知回路１３と、該発熱状態検知回路１
３の出力を積分する積分回路１４と、上記発熱状
態検知回路１３が「Ｌ」信号を出したときに前記
積分回路１４の出力を放電させる放電回路１５と
、更に上記積分回路１４の出力と基準値を比較し
て前者の出力が大きくなつたときに発熱停止信号
を出す比較器３０を設け、該比較器３が出す発熱
停止信号でヒータ５への電気供給を遮断するか又
は既述所定量以下に低下させるようにした梱包機
のヒータ加熱装置。[Scope of Claim for Utility Model Registration] In a heating device for a heater that heats and melts a thermoplastic packaging band wound around an object to weld the overlapping part of the packaging band, the electric current flowing through the heater 5 decreases. Heater monitoring circuit 1 whose output decreases over time
, an integrating circuit 2 that integrates the output of the heater monitoring circuit 1, a discharge circuit 32 that continuously discharges the output of the integrating circuit 2 more slowly than the above-mentioned integration speed, and the output of the integrating circuit 2 and a reference value are compared. A comparator 3 is provided which outputs a heat generation stop signal when the output of the former becomes large, and the heat generation stop signal outputted by the comparator 3 causes the heater 5 to
Packing machine heater heating device that stops or reduces the electricity supply to the packaging machine. In a heater heating device that heats and melts a thermoplastic packaging band wound around an object to weld the overlapping part of the packaging band, when the current flowing through the heater 5 decreases to a predetermined amount or less, an "L" signal is generated. A fever state detection circuit 13 that outputs a signal, and the fever state detection circuit 1
3, a discharge circuit 15 that discharges the output of the integration circuit 14 when the heat generation state detection circuit 13 outputs an "L" signal, and a discharge circuit 15 that integrates the output of the integration circuit 14 and a reference. A comparator 30 is provided that compares the values and outputs a heat generation stop signal when the output of the former becomes larger, and the power supply to the heater 5 is cut off by the heat generation stop signal output by the comparator 3, or the electricity supply to the heater 5 is cut off or A heater heating device for a packaging machine that lowers the temperature below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989083205U JPH088964Y2 (en) | 1989-07-14 | 1989-07-14 | Heater heating device for packing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989083205U JPH088964Y2 (en) | 1989-07-14 | 1989-07-14 | Heater heating device for packing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0323002U true JPH0323002U (en) | 1991-03-11 |
| JPH088964Y2 JPH088964Y2 (en) | 1996-03-13 |
Family
ID=31630675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989083205U Expired - Lifetime JPH088964Y2 (en) | 1989-07-14 | 1989-07-14 | Heater heating device for packing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088964Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240888U (en) * | 1985-08-29 | 1987-03-11 |
-
1989
- 1989-07-14 JP JP1989083205U patent/JPH088964Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240888U (en) * | 1985-08-29 | 1987-03-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088964Y2 (en) | 1996-03-13 |
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