JPH01105834U - - Google Patents
Info
- Publication number
- JPH01105834U JPH01105834U JP135088U JP135088U JPH01105834U JP H01105834 U JPH01105834 U JP H01105834U JP 135088 U JP135088 U JP 135088U JP 135088 U JP135088 U JP 135088U JP H01105834 U JPH01105834 U JP H01105834U
- Authority
- JP
- Japan
- Prior art keywords
- load sensor
- magnetostrictive material
- sensor according
- magnetostrictive
- magnetic permeability
- 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
- 239000000463 material Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 2
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案による荷重センサの一実施例を
示す斜視図、第２図は第１図のＥ―Ｅ断面図、第
３図は該実施例の回路図、第４図は本考案に用い
る磁歪材における荷重と透磁率との関係図、第５
図は第３図の回路における荷重と出力電圧との関
係図、第６図は該実施例の荷重センサの使用態様
の一例を示す一部断面側面図、第７図は本考案の
他の実施例を示す一部断面斜視図、第８図は磁歪
材を用いる荷重センサの他の構成例を示す構成図
、第９図および第１０図は従来の荷重センサを示
す図である。
FIG. 1 is a perspective view showing an embodiment of the load sensor according to the present invention, FIG. 2 is a sectional view taken along line EE in FIG. 1, FIG. 3 is a circuit diagram of the embodiment, and FIG. Relationship diagram between load and magnetic permeability in the magnetostrictive material used, 5th
The figure shows the relationship between the load and the output voltage in the circuit of Figure 3, Figure 6 is a partially sectional side view showing an example of how the load sensor of this embodiment is used, and Figure 7 is another embodiment of the present invention. FIG. 8 is a diagram showing another configuration example of a load sensor using a magnetostrictive material, and FIGS. 9 and 10 are diagrams showing a conventional load sensor.
Claims (1)
次巻線との間を、加わる応力の大きさによつて透
磁率が変化する磁歪材を介して磁気的に結合した
差動トランスとして構成した荷重センサ。 ２ 前記磁歪材がＴｂｎＤｙｍＦｅａＺｎｂで表
現される超磁性材でなる請求項１記載の荷重セン
サ。 ３ 前記磁歪材がアモルフアス合金でなる請求項
１記載の荷重センサ。 ４ 前記磁歪材を貫通穴を有する弾性材に埋設し
た請求項１ないし３のいずれかに記載の荷重セン
サ。[Claims for Utility Model Registration] 1. One of the two primary windings and the secondary winding are connected through a magnetostrictive material whose magnetic permeability changes depending on the magnitude of applied stress. A load sensor configured as a magnetically coupled differential transformer. 2. The load sensor according to claim 1, wherein the magnetostrictive material is a supermagnetic material represented by TbnDymFeaZnb. 3. The load sensor according to claim 1, wherein the magnetostrictive material is an amorphous alloy. 4. The load sensor according to claim 1, wherein the magnetostrictive material is embedded in an elastic material having a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP135088U JPH01105834U (en) | 1988-01-09 | 1988-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP135088U JPH01105834U (en) | 1988-01-09 | 1988-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105834U true JPH01105834U (en) | 1989-07-17 |
Family
ID=31201163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP135088U Pending JPH01105834U (en) | 1988-01-09 | 1988-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998019144A1 (en) * | 1996-10-25 | 1998-05-07 | Sanyo Electric Co., Ltd. | Manually operated travelling vehicle with auxiliary power |
| US6460381B1 (en) | 1999-03-29 | 2002-10-08 | Sanyo Electric Co., Ltd. | Washing machine or an apparatus having a rotatable container |
| JP2016133434A (en) * | 2015-01-20 | 2016-07-25 | 日立金属株式会社 | Stress sensor |
-
1988
- 1988-01-09 JP JP135088U patent/JPH01105834U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998019144A1 (en) * | 1996-10-25 | 1998-05-07 | Sanyo Electric Co., Ltd. | Manually operated travelling vehicle with auxiliary power |
| US6460381B1 (en) | 1999-03-29 | 2002-10-08 | Sanyo Electric Co., Ltd. | Washing machine or an apparatus having a rotatable container |
| JP2016133434A (en) * | 2015-01-20 | 2016-07-25 | 日立金属株式会社 | Stress sensor |