JPS6049224A - Detector of liquid level and temperature of conductive liquid - Google Patents

Abstract

PURPOSE:To decrease numbers of detectors and the setting places by giving both functions of a liquid level detecting function and a temp. detecting function to the detector inserted and fitted in a vessel storing a conductive liquid. CONSTITUTION:A temp. detector 20 is composed by forming a thermocouple 14 by packing thermocouple element wires 28, 29 together with an insulator 11 such as MgO into a conductive sheath tube 21 made of stainless steel, covering an outer circumferential surface of the thermocouple 14 with an insulating tube 22, and furthermore covering the outer circumferential surface with the second conductive sheath outer tube 23. In the detector and the detecting apparatus by such a constitution, the temp. of the conductive liquid stored in the vessel and the stored liquid level at lower and upper limits can be detected by a single detector and the numbers and the setting places of the detectors can be decreased.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The invention is based on the invention, in which a container (2 storage type, 11 pipes, 1 raw liquid)
A single detector that detects the presence or absence of a liquid at two different liquid levels and measures the temperature of the atmosphere. liquid level and temperature detector (related to 1).

[Technical background of the invention and one point in between] Fukuya Onnai (2) There are 8 suctions to detect the liquid level j... and its temperature of the conductive liquid stored in it. As a means for completely detecting whether the liquid level is above the set level, a stylus type liquid level h1 as shown in Fig. 1 (2) is known. Inside the contained container 1 (with two insulations, and between the container 1 and the container 1) This is followed by k + D.

In this liquid level gauge, when the liquid level reaches 2a of the 4rm liquid 2, the lamp 5 does not light up, but when the liquid level reaches 2bi2, the lamp 5 lights up (-.Therefore, the conductive rod 3 is If the level is set to 1, the liquid level indicating lamp 5 lights up; therefore, it is detected whether the magnetically permeable liquid 2 contained in the container 1 is at or above the rank of meritorious feet.

On the other hand, as the first F stage for detecting the temperature of the liquid in the container 1,
Conventionally, a hot couple has been used that detects the temperature by using the thermal electromotive force generated between dissimilar metals as shown in Fig. 2 (2). 1 inside (1 heat 4 to 14 drooping).

This thermocouple 14 is arranged horizontally with chromel 12 and alumel 13 through insulators 9 and 11 such as tii dimagneum MgO in a stainless steel sheath IO, and between the thermocouples y7M (one temperature display). The vessel 15 is connected to the center.

Then, as shown in FIG. 2, (the yiM portion of the two thermocouples 14 is immersed in the conductive liquid 2; the temperature of the liquid 2 is detected and displayed on the temperature display 15.

However, in the conventional liquid level detector and temperature detector described above, there is only one conductive liquid 2 in the container l (which is the object to be detected), whereas the liquid level and temperature are measured separately. Therefore, it is necessary to provide a setting location of 21 fixed I')[ in the limited lkA location of the container 1, and the detectors in the trenches are It takes about 8 hours to put on a person.
As the number of detection points for the magnetic liquid 2 level and lkA I death increases, it doubles, leading to increased costs and complexity.

[Purpose of the invention]

The purpose of the invention is to detect the liquid level and temperature of the liquid contained in the container by means of a detector. Detector installation unit D
The present invention also provides a liquid level and temperature detector for a liquid to be poured, which can reduce the amount of time required for its preparation.

[Summary of the invention]

Non-inventive (two-way conductive liquid level and temperature sensor)
4 tons note tj, dedication? It is characterized by having the functions of liquid level measurement and dA calculation function maintained in the container that is inserted into the container.

[Embodiments of the invention]

The invention will be explained below with reference to FIGS. 3 to 6 (two embodiments shown). In FIG. 1 yen 414
and the same 1-, a magnetically permeable thermocouple tube 21 (two thermocouple wires, 29) is combined with an insulating material such as MgO to form a thermal pair 14, and an insulating tube is placed around the outer periphery of this thermocouple wire 14. The insulating tube 22 and the outer periphery of the insulating tube 22 are covered with a second sheath outer tube 22 of high quality. The open ends of the inner and outer sheaths are sealed with insulating adhesive Z4.
J21 and the open end of the outer tube (2) connects the lead wires 25 i- and 26. The approximately central part of this detector 20 (2) connects it to a container etc. (2) the seal joint when inserting it. 27 is provided. Note that the intrusion of the thermomagnetic couple 14 and the insulating tube 22 in Fig.
1 fish is suitable (choose 2).

FIG. 4 shows a detection device for detecting the liquid level and temperature of the two-conducting liquid 2 contained in the container 1 using a liquid level and temperature detector according to the invention. Same figure (2, container 1
Four of the magnetic liquids 2 are supplied from the supply nozzle 36 and discharged from four discharge nozzles 37.

Then, the lower part of the container 1 (where a heater 38 is installed and the li
mI! ,;! iki, ii゛39, l of magnetically conductive liquid 2
It is λ degree τ for sledding use (L, and h rotation use j).

The wall of container 1 was installed with a wall. 1 power supply 1 stand 1 self 1 (2 consecutive holes 5 are provided, and the through hole 5 (2 non-inventive C 2 detectors 2 tJ are fully inserted), the seal joint 27 is extended to make the liquid crystal, airtight (1 package 41) Is this lead for detecting the liquid level on the 4th detection line, rice?

26 = 1 measuring board 31 (2 built-in liquid level use ill
゛32 f2, thermocouple cumulative line 28.29 is temperature detector 33
It is connected to the cables 34 and 35 exclusively for Taniya.

The liquid level detector d1'': 32 has a built-in applied pressure plate, # (not shown) and a liquid level indicator (not shown), and the temperature detector 33 has a built-in temperature calibrator (not shown). (not shown) and 7 crystals 64 (not shown) are stored in "P".

Referring now to FIG. 4, the two detectors 54i of the liquid level and temperature detector 20 according to the invention will be explained in detail. container 1
The ridge surface of the liquid 2 stored therein is located approximately in the middle of the valley 1 (lower than the liquid level of the insertion device i and the Ru leakage detector 20). , the liquid level detection end of the sheath (721 and the second drain pipe are open) is displayed on the liquid level meter 32, and the temperature display 9: I゛Δ
1, , ii l=J 14 'C is the temperature of the space between the lines in the valley 41 (IrA I, rf Aida, and the temperature/clothing total 33 displays that 4 degrees.

In addition, the magnetically permeable liquid 2 is supplied from the nozzle 36 of the container 1, and the liquid level is above the liquid level and temperature detector (the two-speed lift a is the liquid level detection end sheath a21 and the second sheath・a23 becomes a short-circuit j-shaped via the 4-ton liquid 2,
The number of liquid tears is 32 (2) The full state is displayed.

The thermal IE pair 14 at the temperature detection end is connected to the magnetically conductive liquid 2.
The temperature is detected and the temperature detector 33 (- is displayed).

Hidden °C1 Invention (Two-way liquid level and temperature detector 20
(In case 1, a single detector collects and d
The liquid level and temperature of the magnetically permeable liquid 2 can be detected. Therefore, the number of through holes 5 provided in the container 1 and the effort required to insert the detector into the closet can be reduced by 1". This means that the liquid level and temperature e'r: ':j-number 0 [vl] is the heat transfer flow in a container where it is inevitable to add. ,! b A device for grasping the current urine, δ, is located in the valley container; rlJ-C is located.

Condolence 5 I shown in l'J! : h'a 1ylJ Vj
,,1ffl IM, Ts' l hiiiia! 'L
iyq Output d + 20; Missing - 1j Partially shown 9-
thing-C1/-me1,),'+instep,su・11・1(1)
The outer circumference of the sheath 21 is the loquat edge 40c of the loquat metal. AS2's four-tonne exterior sheath is being investigated.

And outside the second sheath, beyond d23 ytLA LJ+Q
Hobe (Secondly, ceramics, etc.) L11
This loquat has dust [Seal melting between lower 41 and sheath outer tube]
Mistress ga town 171: Molded with iodine material such as Nakoba etc.
The seal rings 42 and 43 are sealed using the metallization method (with a two-way kamaari solder 44).The configuration of this actual 9fi example is that the detectors 20 have a high temperature + l'j: J pressure.
11 Liquid level 2 and □-ii I This 1 shell can be discharged.

The actual power shown in Figure 6 is an example, h - C is loss 6' + i
Set the temperature at one point at the tip of 20 [i:I, detect ff; 4
20" in the direction of the sliding hand (the liquid level is lost at several points with two steps.

The main detection unit 220 is inserted into the container containing the magnetically permeable liquid from above or below to determine the liquid level at each point C in the height direction within the container.

In other words, the outer periphery of the sheathed thermocouple 14 is the first. Funeral 2 and third insulation tubes 22a, 22b and 22
Insulate the valleys with c and 2nd. Temporarily use the third h- and fourth sheath outer tubes a, 23b and C, and make each ring 4.
It is insulated and sealed with an insulating bonding material 24 such as Kono Igishi No. 1 resin. In addition, second and third sheath outer tubes 23a, 2
3b O and heat pair] Connect the lead fittings P O and 5 to the open 9 iM of 7-N 2J of 4.

In this embodiment, the loss device 20 (-) also has two rubber holes provided above the container (1) and is attached with a seal joint (2).

Each lead 7J 25, 25a, 25b Pi
, the measurement panel 3 is installed in the liquid tank 6 (Yadatun no Miyako 45υ and the liquid level detector 32. and 32b (2 each). : At t, the temperature of the magnetically sensitive liquid contained in the container and the stored liquid levels at the lower and upper limits can be detected by the detectors at i(+, -.Therefore, the detector at (t) - Only one through hole is required in the container for insertion.

[9JJ rice of the invention] As described above;ill: According to the invention, one animal can be detected.
3+2 A configuration that has both liquid level detection, temperature detection, and Q functions (from the second, it is possible to reduce the number of detectors used and the effort of installing the detectors in the closet).

[Brief explanation of the drawing]

Figures 1 and 2 are schematic diagrams of the conventional 7-color position detection device (1 and temperature detection device are not shown).
Figure 4 is a sectional view showing an example of a liquid level and temperature detector according to the present invention. A pod appearance table 1111 7J<
Schematic structure 1 and 5 are cross-sectional views showing an embodiment of the detection end of the present invention. Other implementations - 1yil not shown, but a schematic diagram of 14. First sheath tube
22...Bairo A + You Chufu B...Second sheath...
if 25.26...Lead, Ya'me 27...Seal joint Ah, 29...2j (~"O: Tokimaki 31...
・ 31 mountain c 32... liquid (3'L cedar knife)
Out 1it33...Ryo 1 Genken Outjj1 (8733) Agent Patent attorney Yoshiaki Inomata (and 1 others)
Figure 1 Figure 2 Figure 3 Figure 4

Claims (3)

[Claims] (1) Between dissimilar metals (2) A pair of heat pumps that emit temperature using the generated thermoelectromotive force, and a wire near the tip of the thermocouple that is The first sheath pipe is coated with a conductive liquid, and the first sheath pipe is short-circuited with a conductive liquid. sexual fluid tIj,
M2 and temperature sensor. (2) Position the outer surface of the second sheath G in the axial longitudinal direction (positions where liquid level detection ends are formed at multiple points via an insulator). V) A liquid level and temperature sensor, characterized in that the liquid is coated. (3) The length of insertion into the container is Q and λ.
7. Thermoelectricity 9. :) L/) The thermal gradient line is connected to a temperature detector (two), and the first sheath tube and the second sheath tube of the thermal pair are connected to a liquid W detector. Section 1. Liquid level and temperature sensor of the conductive tank.