FR2477309A1 - Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension - Google Patents
Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension Download PDFInfo
- Publication number
- FR2477309A1 FR2477309A1 FR8004551A FR8004551A FR2477309A1 FR 2477309 A1 FR2477309 A1 FR 2477309A1 FR 8004551 A FR8004551 A FR 8004551A FR 8004551 A FR8004551 A FR 8004551A FR 2477309 A1 FR2477309 A1 FR 2477309A1
- Authority
- FR
- France
- Prior art keywords
- wire
- tension
- piezoelectric element
- force
- electrical signal
- 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
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K3/00—Pasturing equipment, e.g. tethering devices; Grids for preventing cattle from straying; Electrified wire fencing
- A01K3/005—Electrified fencing for pastures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/047—Specific indicating or recording arrangements, e.g. for remote indication, for indicating overload or underload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
- G01L5/103—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors fixed at one end of the flexible member
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
- H05C1/00—Circuits or apparatus for generating electric shock effects
- H05C1/04—Circuits or apparatus for generating electric shock effects providing pulse voltages
- H05C1/06—Circuits or apparatus for generating electric shock effects providing pulse voltages operating only when touched
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Insects & Arthropods (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Catching Or Destruction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004551A FR2477309A1 (en) | 1980-02-29 | 1980-02-29 | Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004551A FR2477309A1 (en) | 1980-02-29 | 1980-02-29 | Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2477309A1 true FR2477309A1 (en) | 1981-09-04 |
| FR2477309B1 FR2477309B1 (enExample) | 1982-12-17 |
Family
ID=9239163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8004551A Granted FR2477309A1 (en) | 1980-02-29 | 1980-02-29 | Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2477309A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010137998A3 (en) * | 2009-05-24 | 2011-02-24 | Gallagher Group Limited | Improvements to a taut wire fence system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU177661A1 (ru) * | А. Ф. Сидоров , Е. Н. Митрофанов | Датчик усилий | ||
| DE858608C (de) * | 1951-08-25 | 1952-12-08 | Max Baermann | Elektrischer Zaun |
| NL7216429A (enExample) * | 1972-12-04 | 1974-06-06 |
-
1980
- 1980-02-29 FR FR8004551A patent/FR2477309A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU177661A1 (ru) * | А. Ф. Сидоров , Е. Н. Митрофанов | Датчик усилий | ||
| DE858608C (de) * | 1951-08-25 | 1952-12-08 | Max Baermann | Elektrischer Zaun |
| NL7216429A (enExample) * | 1972-12-04 | 1974-06-06 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010137998A3 (en) * | 2009-05-24 | 2011-02-24 | Gallagher Group Limited | Improvements to a taut wire fence system |
| GB2483037A (en) * | 2009-05-24 | 2012-02-22 | Gallagher Group Ltd | Improvements to a taut wire fence system |
| US8680997B2 (en) | 2009-05-24 | 2014-03-25 | Gallagher Group Limited | Taut wire fence system |
| GB2483037B (en) * | 2009-05-24 | 2015-01-07 | Gallagher Group Ltd | Improvements to a taut wire fence system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477309B1 (enExample) | 1982-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |