JPS5835420A - Electrostatic capacity type liquid level gauge - Google Patents
Electrostatic capacity type liquid level gaugeInfo
- Publication number
- JPS5835420A JPS5835420A JP13327481A JP13327481A JPS5835420A JP S5835420 A JPS5835420 A JP S5835420A JP 13327481 A JP13327481 A JP 13327481A JP 13327481 A JP13327481 A JP 13327481A JP S5835420 A JPS5835420 A JP S5835420A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- electrode
- spacers
- joint
- capacitance
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Description
【発明の詳細な説明】
ヒの発明は、電極板を対面させて形成する電極のいずれ
の場所C:おいて′も、所定の電I!板間の距離を保ち
、液量の一計一精度を向上させ墨静電容量1g1w量計
r−関するものである。DETAILED DESCRIPTION OF THE INVENTION According to the invention, a predetermined voltage I! can be applied to any location C:' of the electrode formed by facing the electrode plates. This meter maintains the distance between the plates and improves the accuracy of each liquid amount, and is related to black capacitance 1g1w meter r-.
このようC二電極のいずれの場所C:おいても、所定の
電極板間距離が確保されている静電容量ms量針として
は例えば第1図〜第3図C;示、すようC;燃料タンク
C;適用したものがある。この静電容量層液量計10は
、等間隔で電極板12a、Hlb、13a、Hlbを対
面させた複数組の平行平面電極1! 、 13から構成
され、燃料タンク1番内の燃料IS(:浸漬されて燃料
タンク14内の液位tたは液量を測定している。As shown in FIGS. 1 to 3, for example, a capacitance needle in which a predetermined distance between the electrode plates is secured at any location C of the two electrodes is as shown in FIGS. Fuel tank C: There is one that has been applied. This capacitive layer liquid meter 10 includes a plurality of sets of parallel plane electrodes 1! with electrode plates 12a, Hlb, 13a, Hlb facing each other at equal intervals. , 13, and is immersed in the fuel IS in fuel tank No. 1 to measure the liquid level t or the amount of liquid in fuel tank 14.
これは、電極戎、13間C;介在する燃料15の量の変
化、すなわち浸漬表面積の変化に応じて生ずる静電容量
の変化を処理回路16(二より周波数の変化として散り
出し、この発振パルスの周波数から液量を求めるもので
ある。従って、それぞれの電極12゜13での対面する
間隔が位11cよって正規の寸法(;保たれていない場
合は静電容量に直接影響があるので正確な計測が行なえ
ない。この間隔を電極鶴。This is because the change in capacitance that occurs between the electrodes 13 and 13; the change in the amount of intervening fuel 15, that is, the change in the immersed surface area, is emitted as a change in frequency from the processing circuit 16 (2), and this oscillation pulse The amount of liquid is determined from the frequency of Measurement cannot be performed.This interval is the electrode crane.
13のいずれの位置でも正確な寸法を保った応−電;、
多数のスペーサ17を介して結合されている。どのスペ
ーサ17の職付構造は、第3図のようC:電極板12m
、12bのそれぞれに穿設された孔とスペーサ17の孔
とを一致させるとともに、一方から絶縁体の鍔付カラー
18を挿入し、リベット19を挿入してかしめたもので
ある。とのような作業を全面1:わたって行壜い電極板
12m、1!b間を絶縁状態で等間隔1:離間させてい
た。なお、句は電極1! 、 13間を接続するハーネ
スである。13.Response that maintains accurate dimensions at any position;
They are connected via a large number of spacers 17. The structure of each spacer 17 is as shown in Figure 3: C: Electrode plate 12m
, 12b are aligned with the holes of the spacer 17, and an insulating collar 18 is inserted from one side, and a rivet 19 is inserted and caulked. Work such as 1: across the entire surface 12 m of electrode plates, 1! 1: They were spaced apart at equal intervals in an insulated state. In addition, the phrase is electrode 1! , 13.
しかしながら、このような作業は繁雑で工数を要するも
のであり、特−;スペーサ17の孔と電極板12m、1
!b、13m、131bの孔とを一つ一つ合わせること
(二時間を要し貴意に適さないものであった。However, such work is complicated and requires a lot of man-hours.
! B, 13m, and 131b holes one by one (it took two hours and was not suitable for this purpose).
そこで、この発明は、電極板の装着所定位置C二合わせ
【配設された複数個のスペーサをスペーtより薄く連続
した少壜くとも一本の継手で分断部を介して接続して形
成されたスペーサ配設構体を、電極板に装着後、継手を
引抜くむと6二よって分断部を切断してスペーサのみを
所定位置r−残して電極を形成させることにより、組立
作業を容品にして量童可能とした静電容量ms量針を提
供するヒとを目的としている。Therefore, in this invention, a plurality of spacers arranged at the predetermined mounting position C of the electrode plate are connected to each other via a divided part with at least one joint that is continuous and thinner than the spacer T. After attaching the spacer arrangement structure to the electrode plate, when the joint is pulled out, the divided part is cut by 62, leaving only the spacer at a predetermined position to form the electrode, making the assembly work easier. The purpose of this invention is to provide a needle with a capacitance of ms that can be adjusted.
以下、この発明を区画(:基づいて説明する。Hereinafter, this invention will be explained based on the section (:).
第4′g〜第8図は、この発明の一実施例を示す図であ
る。4'g to 8 are views showing an embodiment of the present invention.
第4図は、この発明の静電容量型液量計の主要部をなす
電極nの一部を示しており、製作途中の状態である。図
C;おいて、電極戎は電極板12&。FIG. 4 shows a part of the electrode n, which is a main part of the capacitance type liquid meter of the present invention, and is in the process of being manufactured. In Figure C, the electrode plate is the electrode plate 12&.
12b間に第6図C;示すようなスペーサ配設構体21
を挾み着けて、リベッ) 19あるいはビス等C;より
挟着固定している。Figure 6C between 12b; Spacer arrangement structure 21 as shown
Clamp and rivet) 19 or screw etc. C; to secure it.
スペーサ配設構体21は、第6図(;詳細1;示されて
おり、電極1[11m、11に+に穿設された孔と一致
するように所定位置に配設されたスペーサ17と、この
位置関係をくずさないように互いのスペーサ17を接続
する少なくとも1本の継手鯰とを一体成形して作られて
いる。スペーサ17と一手羽との間は、薄肉(:形成さ
れ切断可能な分断部!!雪aによ〕て接続されて−る。The spacer arrangement structure 21 is shown in FIG. It is made by integrally molding at least one joint catfish that connects the spacers 17 to each other so as not to disrupt this positional relationship.A thin wall (: formed and cuttable Separated parts!! They are connected by snow a.
第6図において継手nは、上下2列に並べられたスペー
t17を千鳥状に順次接続し、スペーサ17と接続され
る位置ではスペーサ17の外周部で部分的濃状をなして
一本1;接続されている。In FIG. 6, the joint n sequentially connects the spaces t17 arranged in two upper and lower rows in a staggered manner, and at the position where it is connected to the spacer 17, it forms a partially thick shape on the outer periphery of the spacer 17. It is connected.
同様C2次の列のスペーサ17も先のスペーサ11の列
と互いに千鳥状の継手nで接続部れている。したがって
、全体としてスペーサ17の位置が所定配設位置が出さ
れたスペーサ配設構体nを形成している。なお、継手n
の各端末C;は、引抜き用の把持部nが電極12へ組付
けられたと11(;電極板12a。Similarly, the spacers 17 in the C2 order row are also connected to the previous row of spacers 11 by staggered joints n. Therefore, as a whole, the spacer 17 forms a spacer arrangement structure n in which predetermined arrangement positions are provided. In addition, joint n
Each terminal C; is 11 (; electrode plate 12a) when the gripping part n for pulling out is assembled to the electrode 12.
12bの外側−二突出するようζ設けられている。勿論
、把持部四を3本以上で束ねるように接続するとともで
きる。ζ is provided so as to protrude from the outside of 12b. Of course, three or more gripping portions 4 may be connected in a bundle.
分断部22mの形状は、第7図および第8図g;詳細覆
二示されてシリ、ζζではスペーサ17と継手四との接
続部でスペーサ17の外周C;沿つて薄肉とされて形成
されて−る。スペーサ17の厚i1Dは、電111[1
2m、12bの離間距離と等しくされ、継手nの厚さく
Htスペーサ17の犀さDより薄くされて−る。The shape of the dividing portion 22m is shown in FIGS. 7 and 8g; details are shown in FIG. Teru. The thickness i1D of the spacer 17 is
The thickness of the joint n is made thinner than the thickness D of the Ht spacer 17.
さらに電極1[12m、12bで挾まれても両側に周隙
が残るようC;継手nは、スペーサ17の厚さ方向両端
より幾分内側となるようC2作られて−る(第5図参照
)。Furthermore, the joint n is made so that a gap remains on both sides even when the electrode 1 is sandwiched between the electrodes 12m and 12b. ).
第9図および第10図は、スペーサ配設構体なの他の分
断部32bの例を示す図である7、スペーサ17管継手
nが千鳥状1;接続していく点は同じであるが、スペー
サ17との接続部が継手nの折自部の頂点となっており
、そヒで点状の薄肉部である分断11622bでスペー
サ17と接続1れている点が異なっている。9 and 10 are diagrams showing other examples of the divided portion 32b of the spacer arrangement structure.7, The spacer 17 pipe joint n is staggered 1; The difference is that the connecting part with 17 is the apex of the folded part of the joint n, and the connecting part 11622b with the spacer 17 is connected to the spacer 17 at the dividing part 11622b, which is a point-like thin part.
また、スペーサ配設構体21は、スペーサ17が絶縁体
である必要から全体が絶縁材料で作られている。自動車
の燃料タンク内C;使用される場合C;は、石油類、ア
ルコール@に強いボリア竜タール、高**ポリエチレン
等の熱可塑性樹脂あるいはフェノール樹脂、エポキシ樹
脂等の熱硬化性樹脂が適轟である。Further, the spacer arrangement structure 21 is entirely made of an insulating material since the spacer 17 is required to be an insulator. For C in the fuel tank of automobiles, when used, thermoplastic resins such as boria tar, high polyethylene, etc., which are resistant to petroleum and alcohol, or thermosetting resins such as phenol resins and epoxy resins are suitable. It is.
電極13の組立方を説明すると、電極II 12&、l
lb間ζ;スベーす配設構体念1をそれぞれの孔位置−
二合わせて挾みつけ、−歇している各孔csas料で作
られた鍔付カラー18を差し込み、名らζ鍔付カラー1
8の孔にリベット1st通してかしめ、以て第4図およ
び第5図口示す構造体C;する0次に、スペーサ配設構
体社の把持部nを癲んで第4図つ矢印方向に引抜くと、
リペッ) 1Gで電極1[11a、1lbr−固定され
たスベー?17は分断部2雪aから−WJ新されて電極
1[1!a、llbの所定位置は残り、−手nのみが全
部除去されて電極ルの組立が完了する。To explain how to assemble electrode 13, electrode II 12&, l
Between lb and ζ;
Put the two together, insert the flange collar 18 made of csas material into each hole, and then insert the flange collar 1
Pass the rivet 1st through the hole No. 8 and caulk it to form the structure C shown in FIGS. When you pull it out,
Lipet) Electrode 1 at 1G [11a, 1lbr - Fixed sube? 17 is the electrode 1 [1! The predetermined positions of a and llb remain, and only the -hand n is completely removed, completing the assembly of the electrode.
との電極認を第1図のよう口容器内に配置すること(;
より、この発−の静電容量置箪量計となる。Place the electrode in the mouth container as shown in Figure 1 (;
Therefore, this is a capacitance drench meter.
以上、説明してきたよう*、ヒの発v4によれば、スペ
ーサを所定配設位置関係C;保つスペーサ配設構体を使
用して組立てられる電極を使用した普電容量蓋液量計と
したため、電極の平行度がどの位置ででもでるため正確
C;計−で會るととは勿論、この電極の製作が大変に簡
便となり畳量することができる静電容量ms量針を提供
することができる。As explained above, according to v4 of H, the capacitance lid liquid meter is a general capacitance lid liquid meter that uses electrodes that are assembled using a spacer arrangement structure that maintains the spacer in a predetermined positional relationship C; Since the parallelism of the electrodes can be obtained at any position, it is possible to obtain an accurate C. can.
第1図は従来の静電容量型液量計を組付けた一動車用燃
料タンクの中央断面図、第3図線第1図C;使用された
電極の斜視図、第8図線第8図の璽−璽断面図、第4図
〜第10図は本尭−の実施例で、第4図は電極の製作途
中を示す部分平面図、第S図は第4図のv−vwii図
、第6図はスペーサ配設構体の部分平面図、第7図は分
断部を示すスペーサ配設構体の部分拡大図、第8図は第
7図の■−■断藺図、第9図は他の分断部を示すスペー
サ配設構体の部分拡大図、第10図は第9TIAのx−
x断面図である。
U ・・・電極、12m、12b、13m、13b ・
”電極板、17−・・スペーサ、21・・・スペーサ配
設構体、2F・・継手、22m、22b−・・分断部。
出願人 日産自動車株式会社
?81 図
1^
に
糖20 劉3図
劉4 図
?15 図
期6図
17図
V■
vSB 図
vJ10口Figure 1 is a central sectional view of a fuel tank for a motor vehicle equipped with a conventional capacitance type liquid meter, Figure 3 is line 1C; a perspective view of the electrode used, Figure 8 is line 8. Figures 4 to 10 are cross-sectional views of the figure, Figures 4 to 10 are examples of the present invention, Figure 4 is a partial plan view showing the electrode in progress, and Figure S is the v-vwii diagram of Figure 4. , Fig. 6 is a partial plan view of the spacer arrangement structure, Fig. 7 is a partially enlarged view of the spacer arrangement structure showing the divided part, Fig. 8 is a cross-sectional view of Fig. 7, and Fig. 9 is a partial plan view of the spacer arrangement structure. A partially enlarged view of the spacer arrangement structure showing another divided part, FIG. 10 is an x-
It is an x sectional view. U... Electrode, 12m, 12b, 13m, 13b ・
``Electrode plate, 17--Spacer, 21--Spacer arrangement structure, 2F...Joint, 22m, 22b--...Divided part. Applicant: Nissan Motor Co., Ltd.?81 Figure 1^ Sugar 20 Liu 3 Figure Liu 4 Figure? 15 Figure 6 Figure 17 Figure V■ vSB Figure vJ10 mouth
Claims (1)
量から容器内液量を検知する静電容量igtw量計C;
シいて、 前記電極板間の装着所定位置C;合わせて配散電れた複
数個のスペーサと、諌複数個のスペーナロ接続されかつ
皺スペーナより薄くて連続した少愈くとも一本の継手と
、諌継手および前記スペーサの間のそれぞれ(:形成さ
れた分断部とからなるスペーサ配置構体を、前記電@1
[r−装着後、前記−手を引抜くことによって前記分断
部をw斬して前記スペーサのみを前記所定位置r−残し
て電@會形成したことを**とする静電容量IIIIl
量針。[Claims] A capacitance IGTW quantity meter C that detects the amount of liquid in a container from the capacitance between the electric current I11 and the capacitance that changes depending on the immersion ratio of the liquid;
Then, the predetermined mounting position C between the electrode plates; a plurality of spacers that are electrically distributed together, and at least one joint that is thinner and continuous than the wrinkled spacer and that is connected to the spacer narrower. , a spacer arrangement structure consisting of a joint and a divided portion formed between each of the spacers.
[After attaching r-, by pulling out the hand, the dividing portion is cut off, leaving only the spacer at the predetermined position r-, and a capacitance IIIl is defined as **.
Quantity needle.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13327481A JPS5835420A (en) | 1981-08-27 | 1981-08-27 | Electrostatic capacity type liquid level gauge |
DE19813149463 DE3149463A1 (en) | 1980-12-15 | 1981-12-14 | Liquid container |
GB8137702A GB2089516B (en) | 1980-12-15 | 1981-12-15 | Liquid container having electrode plates to detect liquid level by measuring capacitance |
US06/591,238 US4512067A (en) | 1980-12-15 | 1984-03-20 | Method of making liquid container having electrode plates to detect liquid level by measuring capacitance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13327481A JPS5835420A (en) | 1981-08-27 | 1981-08-27 | Electrostatic capacity type liquid level gauge |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5835420A true JPS5835420A (en) | 1983-03-02 |
Family
ID=15100791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13327481A Pending JPS5835420A (en) | 1980-12-15 | 1981-08-27 | Electrostatic capacity type liquid level gauge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5835420A (en) |
-
1981
- 1981-08-27 JP JP13327481A patent/JPS5835420A/en active Pending
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