WO2005028937A1 - 流体制御器の加熱方法 - Google Patents
流体制御器の加熱方法 Download PDFInfo
- Publication number
- WO2005028937A1 WO2005028937A1 PCT/JP2004/014440 JP2004014440W WO2005028937A1 WO 2005028937 A1 WO2005028937 A1 WO 2005028937A1 JP 2004014440 W JP2004014440 W JP 2004014440W WO 2005028937 A1 WO2005028937 A1 WO 2005028937A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- fluid controller
- heating
- joint
- heated
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
Definitions
- the present invention relates to a method for heating a fluid controller suitable for heating a valve or the like.
- a fluid controller such as a valve used in a semiconductor manufacturing apparatus
- a heating device for example, a device using a tape heater is used.However, in order to improve the thermal efficiency and the workability at the time of installation, a dedicated heating device integrated with the fluid controller is required. May be done.
- Patent Document 1 Japanese Patent Application Laid-Open No. H10-299493.
- a pair of side heaters and one bottom heater are used, and each heater is controlled by voltage ON-OFF control by a temperature controller. It describes that the temperature is controlled.
- the temperature of the passage portion controlled (for example, opening and closing of the fluid passage) by the operation drive unit is set to a desired temperature.
- Fluid controller In the heating method described above, even if the temperature of the heater or the temperature in the vicinity of the heater is controlled to a desired temperature, the temperature of the passage portion controlled by the operation driving unit does not necessarily correspond to this, and eventually the operation driving There is a problem that it is difficult to set a desired temperature in a passage portion controlled by the section. Also, if a pair of side heaters and one bottom heater are used and one temperature controller is used to control the temperature, the bottom of the body will be particularly hot, resulting in uniform heating. There was also a problem that it was difficult.
- the heating method of the fluid controller according to the present invention uses a heating device having a built-in heater and a pair of holding members sandwiching the fluid controller to be heated from both sides.
- a heating device having a built-in heater and a pair of holding members sandwiching the fluid controller to be heated from both sides.
- the fluid controller has a block-shaped body having a recess that opens upwardly, the fluid inflow passage and the fluid outflow passage, and is mounted in the recess of the body to open and close the fluid passage. It is composed of an operation drive section and a joint section protrudingly provided on the side surface of the body and communicating with the fluid inflow passage or the fluid outflow passage.
- the operating drive unit is, for example, pressed or separated from the annular valve seat to It consists of a diaphragm that opens and closes the valve, a valve stem that has a diaphragm retainer at the lower end, and a piston that moves the valve stem up and down.
- the operation drive unit may be one that moves the valve stem up and down using compressed air or another driving source, or one that moves the valve stem up and down manually.
- the temperature of the heater is controlled, for example, by voltage ON-OFF control by a temperature controller.
- a temperature control sensor for example, a platinum thin film temperature sensor or a sheath-type K-type thermocouple is used.
- the heater for example, a ceramic heater is used, but the heater is not limited to this.
- the heating method of the fluid controller according to the present invention is used when the body of the fluid controller is heated to a high temperature. It is suitable.
- the above heating method it is more preferable to provide a joint storage recess for accommodating the joint in the holding member, and to heat not only the pod of the fluid controller but also the joint.
- a joint storage recess for accommodating the joint in the holding member, and to heat not only the pod of the fluid controller but also the joint.
- the heater is provided with a direct heating section that abuts the center of both sides of the body, and the portion of the heater that does not have a direct heating section is indirectly heated via an air layer. What should I do?
- FIG. 1 is an exploded perspective view showing one embodiment of a heating device used for carrying out a heating method of a fluid controller according to the present invention.
- FIG. 2 is an exploded perspective view of the same device.
- FIG. 3 is a perspective view showing an assembled state of the device.
- FIG. 5 is an exploded perspective view of a temperature sensor portion.
- FIG. 6 is a graph showing the effect of the heating method of the fluid controller according to the present invention.
- FIG. 7 is another graph showing the effect of the heating method of the fluid controller according to the present invention.
- FIG. 8 is yet another graph showing the effect of the heating method of the fluid controller according to the present invention.
- BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
- left and right refer to the left and right in Fig. 4, and the paper in Fig. 4
- the front side is the front, and the reverse is the back.
- FIGS. 1 to 5 show one embodiment of a heating device that enables the heating method of the fluid controller of the present invention.
- the heating device (11) includes a pair of left and right holding members (12) that include left and right plate-shaped side heaters (14) and (15) and sandwich a fluid controller (1) to be heated from both left and right sides. (13) is provided.
- the fluid controller (1) to be heated is a diaphragm pulp, as shown in Fig. 2 to Fig. 5, provided on a rectangular block-shaped body (2) and on the top surface of the body (2). And a cylindrical operation drive case (3) containing the operation drive, and an inlet / outlet joint (4) provided on the front and rear surfaces of the body (2) and communicating with the flow path in the body (2).
- a pipe (5) is connected to each of the inlet / outlet joints (4).
- Each of the holding members (12, 13) has a side heater (14, (15) between a rectangular parallelepiped outer case (12a, 13a) opened inward in the left-right direction and the outer case (12a, 13a). ), And the inner case (12b) (13b) is recessed from the outer case (12a) (13a).
- the outer cases (12a) and (13a) are made of SUS304, and the inner cases (12b) and (13b) are made of SUS304.
- each holding member (12) (13) On the upper wall of the outer case (12a) (13a) of each holding member (12) (13), there is a horizontal space that accommodates the upper and lower approximate center of the operation drive unit case (3) of the flow control device (1).
- a notch (18) with a semicircular cross section is provided, a shaft member through hole (19) is provided in the lower wall, and a semicircular vertical cross section is provided in the front and rear walls.
- Each of the through holes (20) is provided.
- a rectangular recess (21) is provided in the center of the upper and lower ends of the inner cases (12b, 13b) to accommodate the lower portion of the operation drive case (3).
- the side heaters (14) and (15) are ceramic heaters.
- the front and rear central parts of the upper end are U-shaped with cutouts, and the inner case (12b) (13b)
- a direct heating section (22) is provided in contact with the center of the left and right surfaces of the body (2).
- the part of the side heaters (14) and (15) that does not have a direct heating part (22) is indirectly heated via an air layer and laid.
- the left and right holding members (12) and (13) are coupled to each other so as to sandwich the fluid controller (1) from both the left and right sides, whereby the fluid controller excluding the upper part of the operation drive unit case (3) The remaining part of (1) is covered by the left and right holding members (12, 13).
- Power supply leads (23) and (24) are connected to the terminals of the left and right side heaters (12) and (13).
- Each lead wire (23) (24) is drawn out from the upper wall of the outer case (12a) (13a) of the left and right holding members (12) (13), and each is led by a cable clamp (26). It is supported by the same wall and connected to a connector (not shown) above it.
- a temperature sensor (25) for controlling the temperature of the left and right side heaters (12, 13) is provided on the bottom of the body (2) of the fluid controller (1) via a thin plate-shaped sensor fixture (27). The heaters (12) and (13) are controlled so that the temperature of the temperature sensor (25) becomes a predetermined temperature.
- the temperature sensor (25) is a sheath-type sensor, and its tip (detector) (25a) has a groove (25) provided on the upper surface of the sensor fixture (27). 27a)
- the sensor fixture with sensor (27) is fixed to the bottom of the body (2) of the fluid controller (1) by a spring washer (28) and a threaded spacer (29). Therefore, the temperature of the bottom surface of the body (2) of the fluid controller (1) is accurately measured.
- the temperature sensor (25) is provided with a sensor through hole (30) provided below the pipe through hole (20) on the front and rear walls of the outer case (12a) (13a) of each holding member (12) (13). From the outside.
- the threaded spacer (29) is projected downward from a shaft member through hole (19) provided on the lower wall of the outer case (12a) (13a) of each holding member (12) (13). ing. With this, the temperature sensor (25) is attached to the body (2) of the fluid controller (1), and then the holding members (12) (13) holding the heaters (14) (15) Can be installed.
- the left and right holding members (1 2) and (13) are taken from both left and right sides of the fluid controller (1) without interfering with the fluid controller (1). Since it can be attached, the heating device (11) can be installed without removing the piping even if the piping is connected to the inlet / outlet fitting (6) of the fluid controller (1). Since both the body (2) and the joint (4) of the fluid controller (1) are accommodated in the holding members (12, 13) containing the heaters (14, 15), Not only the body (2) but also the joint part (4) is heated, so that it is not necessary to heat the joint part (4) by another means, and the work for heating is facilitated.
- FIG. 6 shows the results of heating the fluid controller (1) using the heating device (11) and measuring the temperature change at each point of the fluid controller (1).
- No. 1 is the bottom surface of the body (that is, the part controlled by the heating method according to the present invention).
- No. 2 is the temperature on the IN side of the diaphragm
- No. 3 is the temperature on the joint (4)
- No. 4 is the temperature on the OUT side of the diaphragm
- No. 5 is the temperature of the front and rear walls of the outer case (12a) of the holding member (12)
- No. 6 is the temperature of the top surface of the operation drive case (3)
- No. 7 is the body (2 )
- the temperature of the passage portion that is, the temperature of the portion to be controlled
- No. 8 indicates the outside air temperature.
- the heating temperature is about 300 ° C., which is relatively high, but the above-mentioned heating method can be used at other than this temperature as shown below.
- FIG. 7 shows the results of measuring the temperature change at each point of the fluid controller (1) when the heating temperature was about 400 ° C.
- each No. is the same as in FIG.
- No. 1 temperature change on the bottom surface
- No. 7 temperature change on the passage in the body
- Figure 8 shows the temperature change at each point of the fluid controller (1) when the set temperature was raised in the order of 100 ° C, 200 ° C, 220 ° C, and 300 ° C. Shows the results of the measurement.
- the temperatures of No. 1 (body part), No. 2 (diaphragm part) and No. 3 (joint part) reach the set temperature in a few minutes. After that, it is stable and highly accurate temperature control is possible.
- No. 5 the side of the heater case
- it is unstable after the temperature reaches the set temperature.
- the top of No. 6 the case of the operation unit
- precise control of the temperature change of the passage portion in the body (2) controlled by the operation drive unit is possible.
- the fluid controller According to the heating method of the fluid controller, the fluid controller
- the body (2) and the joint (4) of (1) are heated to almost the same temperature in a short time.
- the shape of the fluid controller (1) is not limited to the above-described embodiment, and various shapes are possible.
- a heat insulating material may be attached to the outer surfaces of the left and right holding members (12) and (13) to further improve the heat insulating property and increase the heatable temperature of the fluid controller (1).
- the method for heating a fluid controller according to the present invention can be used for a semiconductor manufacturing apparatus and requires a fluid controller such as a valve to be heated while controlling the temperature. It can contribute to the improvement of the quality.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/573,071 US20070110415A1 (en) | 2003-09-24 | 2004-09-24 | Method of heating fluid controller |
CA002540107A CA2540107A1 (en) | 2003-09-24 | 2004-09-24 | Method of heating fluid controller |
EP04773528A EP1666781A1 (en) | 2003-09-24 | 2004-09-24 | Method of heating fluid controller |
IL174443A IL174443A0 (en) | 2003-09-24 | 2006-03-21 | Method of heating a fluid controller |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-331277 | 2003-09-24 | ||
JP2003331277A JP2005098347A (ja) | 2003-09-24 | 2003-09-24 | 流体制御器の加熱方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005028937A1 true WO2005028937A1 (ja) | 2005-03-31 |
Family
ID=34373038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014440 WO2005028937A1 (ja) | 2003-09-24 | 2004-09-24 | 流体制御器の加熱方法 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1666781A1 (ja) |
JP (1) | JP2005098347A (ja) |
KR (1) | KR20060071431A (ja) |
CN (1) | CN1871471A (ja) |
CA (1) | CA2540107A1 (ja) |
IL (1) | IL174443A0 (ja) |
TW (1) | TW200528654A (ja) |
WO (1) | WO2005028937A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8359715B2 (en) | 2007-02-28 | 2013-01-29 | GM Global Technology Operations LLC | Trim clip |
KR200446994Y1 (ko) * | 2009-07-20 | 2009-12-17 | 송종규 | 열효율을 향상시킨 밸브용 히팅장치 |
JP5851423B2 (ja) * | 2010-12-28 | 2016-02-03 | ニチアス株式会社 | ヒータ及びその製造方法 |
JP5890984B2 (ja) * | 2011-08-30 | 2016-03-22 | 株式会社フジキン | 流体制御装置 |
JP6475950B2 (ja) * | 2014-10-29 | 2019-02-27 | 株式会社フジキン | 流体制御器用加熱装置および流体制御装置 |
CN107710866B (zh) | 2015-07-01 | 2022-01-18 | 霓佳斯株式会社 | 加热器装置及使用它的被加热体的加热方法 |
EP4169060A4 (en) * | 2020-07-28 | 2024-07-24 | Versum Mat Us Llc | SYSTEMS WITH HEATED VALVE MANIFOLD ARRANGEMENTS, METHODS OF MAKING SAME |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0560264A (ja) * | 1991-08-27 | 1993-03-09 | Kokusai Electric Co Ltd | 圧力調整弁 |
JPH10299943A (ja) | 1997-04-21 | 1998-11-13 | Fujikin:Kk | 流体制御器用加熱装置 |
JPH11270701A (ja) * | 1998-03-20 | 1999-10-05 | Benkan Corp | スロットルバルブ |
JP3005449B2 (ja) * | 1995-04-11 | 2000-01-31 | シーケーディ株式会社 | ヒーティング機能付真空弁 |
JP2000170955A (ja) * | 1998-12-10 | 2000-06-23 | Ckd Corp | 集積弁 |
-
2003
- 2003-09-24 JP JP2003331277A patent/JP2005098347A/ja active Pending
-
2004
- 2004-09-23 TW TW093128805A patent/TW200528654A/zh unknown
- 2004-09-24 WO PCT/JP2004/014440 patent/WO2005028937A1/ja not_active Application Discontinuation
- 2004-09-24 CN CNA200480030690XA patent/CN1871471A/zh active Pending
- 2004-09-24 EP EP04773528A patent/EP1666781A1/en not_active Withdrawn
- 2004-09-24 CA CA002540107A patent/CA2540107A1/en not_active Abandoned
- 2004-09-24 KR KR1020067007717A patent/KR20060071431A/ko not_active Application Discontinuation
-
2006
- 2006-03-21 IL IL174443A patent/IL174443A0/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0560264A (ja) * | 1991-08-27 | 1993-03-09 | Kokusai Electric Co Ltd | 圧力調整弁 |
JP3005449B2 (ja) * | 1995-04-11 | 2000-01-31 | シーケーディ株式会社 | ヒーティング機能付真空弁 |
JPH10299943A (ja) | 1997-04-21 | 1998-11-13 | Fujikin:Kk | 流体制御器用加熱装置 |
JPH11270701A (ja) * | 1998-03-20 | 1999-10-05 | Benkan Corp | スロットルバルブ |
JP2000170955A (ja) * | 1998-12-10 | 2000-06-23 | Ckd Corp | 集積弁 |
Also Published As
Publication number | Publication date |
---|---|
JP2005098347A (ja) | 2005-04-14 |
TW200528654A (en) | 2005-09-01 |
CN1871471A (zh) | 2006-11-29 |
KR20060071431A (ko) | 2006-06-26 |
CA2540107A1 (en) | 2005-03-31 |
EP1666781A1 (en) | 2006-06-07 |
IL174443A0 (en) | 2006-08-01 |
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