JPH0127088Y2 - - Google Patents
Info
- Publication number
- JPH0127088Y2 JPH0127088Y2 JP3085182U JP3085182U JPH0127088Y2 JP H0127088 Y2 JPH0127088 Y2 JP H0127088Y2 JP 3085182 U JP3085182 U JP 3085182U JP 3085182 U JP3085182 U JP 3085182U JP H0127088 Y2 JPH0127088 Y2 JP H0127088Y2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- electrode
- heat
- sensitive
- glass tube
- 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.)
- Expired
Links
- 239000011521 glass Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000001139 pH measurement Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Description
【考案の詳細な説明】
本考案は、温度補償用の感熱抵抗素子を一体化
したPHガラス電極に関する。[Detailed Description of the Invention] The present invention relates to a PH glass electrode integrated with a heat-sensitive resistance element for temperature compensation.
従来のこの種のPHガラス電極は、温度補償用の
感熱抵抗素子（以下、「感熱素子」という。）が、
電極支持ガラス管内に設けられた感熱素子用の収
容室の内部、又は、感熱素子用のガラス管内に封
入した状態で電極内部液内等に配置され、即ち、
いずれの場合も、ガラス感応膜より離れた位置に
設置され且つ被検物との間に内部液等が存在する
ため、被検物の温度の変化に対する応答速度が遅
く、その結果、PH測定における安定度及び精度が
低い、という問題があつた。 Conventional PH glass electrodes of this type have a heat-sensitive resistance element (hereinafter referred to as "heat-sensitive element") for temperature compensation.
It is placed inside a housing chamber for a heat-sensitive element provided in an electrode supporting glass tube, or in an electrode internal liquid while being sealed in a glass tube for a heat-sensitive element, that is,
In either case, since it is installed at a distance from the glass sensitive membrane and there is an internal liquid between it and the test object, the response speed to changes in the test object's temperature is slow, and as a result, the PH measurement There were problems with low stability and accuracy.
本考案はかかる問題に鑑みて為されたもので、
ガラス感応膜にガラス管を接続し、その開口部に
感熱素子を取付けることにより感熱素子が測定対
象に直接接し得るようにしてその温度変化に直ち
に応答させ、もつて、PH測定における安定度及び
精度を向上させようとするものである。 This idea was created in view of this problem,
By connecting a glass tube to the glass sensitive membrane and attaching a heat sensitive element to its opening, the heat sensitive element can be brought into direct contact with the object to be measured, allowing it to respond immediately to temperature changes, thereby improving stability and accuracy in PH measurement. It aims to improve the
以下、本考案の一実施例を図面を参照しつつ説
明する。 An embodiment of the present invention will be described below with reference to the drawings.
図において、１は外側管１ａ及び内側管１ｂか
ら成る電極支持ガラス管、３はその下端に接合
（溶着）されたガラス感応膜、４は電極支持ガラ
ス管１を図中上下方向に仕切るガラス隔壁で、電
極支持ガラス管１に接合されている。５は電極内
部液、６は電極内部液５内に設置された内部電
極、７はそのリード線、８は電極内部液５内を貫
通し先端部８ａがガラス感応膜３の中央部に接合
された、感熱素子保持用のガラス管で、その中間
部はガラス隔壁４に、また、その上端部は電極支
持ガラス管１に、それぞれ、接合されている（上
端部の接合部分は図示せず）。１０はガラス管８
のガラス感応膜３との接合部分の開口部８ｂに取
付けられた感熱素子（例えば、サーミスタ）で、
ガラス管８の下部に充填された接着材１１、例え
ば、シリコーン接着材によつて固定されている。
１２，１２は感熱素子１０のリード線である。１
３はシールド板、１４は電極キヤツプ、１５はリ
ード線７及び１２並びにシールド板１３に接続さ
れたリード線等を統合した電極ケーブルである。 In the figure, 1 is an electrode supporting glass tube consisting of an outer tube 1a and an inner tube 1b, 3 is a glass sensitive membrane bonded (welded) to its lower end, and 4 is a glass partition partitioning the electrode supporting glass tube 1 vertically in the figure. and is joined to the electrode supporting glass tube 1. 5 is an electrode internal liquid, 6 is an internal electrode installed in the electrode internal liquid 5, 7 is a lead wire thereof, 8 is a lead wire that penetrates the electrode internal liquid 5, and a tip 8a is joined to the center of the glass sensitive membrane 3. In addition, it is a glass tube for holding a heat-sensitive element, and its middle part is joined to the glass partition wall 4, and its upper end is joined to the electrode supporting glass tube 1 (the joined part at the upper end is not shown). . 10 is glass tube 8
A heat-sensitive element (for example, a thermistor) attached to the opening 8b at the joint with the glass-sensitive film 3,
The glass tube 8 is fixed by an adhesive 11 filled in the lower part thereof, for example, a silicone adhesive.
12, 12 are lead wires of the heat sensitive element 10. 1
3 is a shield plate, 14 is an electrode cap, and 15 is an electrode cable that integrates lead wires 7 and 12, a lead wire connected to shield plate 13, and the like.
このように構成されたPHガラス電極において
は、感熱素子１０がガラス感応膜３と共に測定対
象に直接接するので、その温度変化を直ちに感知
することができる。 In the PH glass electrode configured in this manner, the thermal element 10 and the glass sensitive film 3 are in direct contact with the object to be measured, so that changes in temperature can be immediately sensed.
以上述べた如く、本考案は、電極内部液内を貫
通させたガラス管の先端部をガラス感応膜に接合
し、その接合部分の開口部に感熱素子を取付け
て、感熱素子が測定対象に直接接触し得るように
構成したものであるから、PHの測定時に測定対象
の温度変化に瞬時に応答し、従つて、PH測定にお
ける安定度及び精度が格段に向上し、また、形態
もコンパクトで使用に便利である等の優れた利点
を具えたPHガラス電極を提供することができる。 As described above, in the present invention, the tip of the glass tube that penetrates the internal liquid of the electrode is joined to the glass sensitive membrane, and the heat-sensitive element is attached to the opening of the joint, so that the heat-sensitive element directly contacts the measurement target. Since it is configured so that it can be contacted, it instantly responds to changes in the temperature of the object to be measured when measuring PH, which greatly improves the stability and accuracy of PH measurement.It is also compact and easy to use. It is possible to provide a PH glass electrode with excellent advantages such as convenience.
第１図は本考案に係るPHガラス電極の一実施例
について、電極キヤツプ部分を除いて破断して示
した縦断面図、第２図はその要部の拡大図であ
る。
３……ガラス感応膜、５……電極内部液、６…
…内部電極、８……ガラス管、８ａ……ガラス管
８の先端部、８ｂ……ガラス管８の開口部、１０
……温度補償用の感熱抵抗素子。
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the PH glass electrode according to the present invention, with the electrode cap portion removed, and FIG. 2 is an enlarged view of the main parts thereof. 3... Glass sensitive membrane, 5... Electrode internal liquid, 6...
...Internal electrode, 8... Glass tube, 8a... Tip of glass tube 8, 8b... Opening of glass tube 8, 10
...Heat-sensitive resistance element for temperature compensation.
Claims (1)
ス電極において、電極内部液内を貫通するガラス
管の先端部をガラス感応膜に接合すると共に、前
記ガラス管の前記接合部分の開口部に前記感熱抵
抗素子を取付けたことを特徴とするPHガラス電
極。 In a PH glass electrode that integrates a heat-sensitive resistance element for temperature compensation, the tip of a glass tube that penetrates the internal liquid of the electrode is bonded to a glass-sensitive membrane, and the heat-sensitive resistor is connected to the opening of the bonded portion of the glass tube. A PH glass electrode featuring a resistance element attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3085182U JPS58134765U (en) | 1982-03-04 | 1982-03-04 | pH glass electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3085182U JPS58134765U (en) | 1982-03-04 | 1982-03-04 | pH glass electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58134765U JPS58134765U (en) | 1983-09-10 |
| JPH0127088Y2 true JPH0127088Y2 (en) | 1989-08-14 |
Family
ID=30042537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3085182U Granted JPS58134765U (en) | 1982-03-04 | 1982-03-04 | pH glass electrode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58134765U (en) |
-
1982
- 1982-03-04 JP JP3085182U patent/JPS58134765U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58134765U (en) | 1983-09-10 |
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