CN102759426A - Super-high-temperature-resistant remote-transmitting high-precision pressure sensing device - Google Patents

Abstract

The invention discloses a super-high-temperature-resistant remote-transmitting high-precision pressure sensing device, comprising a hollow rod-shaped super-high-temperature-resistant body. The hollow-core left end of a threaded rod body is communicated with the right end of a cavity in the round rod body with the cavity; a high-temperature pressure strain body is arranged at the right end of the cavity in the round rod body with the cavity; the left end of the high-temperature strain body is connected with the right end of a strain conducting body; the left end of the strain conducting body is connected with the right end of a high-temperature strain sensing body which is arranged at the left end of the cavity in the round rod body with the cavity and is connected with a high-temperature-resistant transmission line; the high-temperature-resistant transmission line is introduced out through a hollow core of the round rod body, the left end of which is provided with the hollow core, and is connected with a precise difference photoelectric measurement module. The super-high-temperature-resistant remote-transmitting high-precision pressure sensing device is composed of an armored structure and internally composed of structures of the high-temperature-resistant pressure strain body, the strain conducting body and the strain sensing body, and can be used for performing super-high-temperature remote high-precision pressure measurement.

Description

The teletransmission high-precision pressure sensing device of Nai Tegaowen

Technical field

The invention belongs to device for pressure measurement, particularly the teletransmission high-precision pressure sensing device of a kind of Nai Tegaowen.

Background technology

General high-precision pressure sensor can not tolerate the extra-high-speed temperature, and therefore special extra-high-speed temperature environment is difficult to the high-acruracy survey to pressure.

Summary of the invention

Technical matters to be solved by this invention is: the teletransmission high-precision pressure sensing device that a kind of Nai Tegaowen is provided.Satisfy under the environment of extra-high-speed temperature the pressure high-acruracy survey.

Technical scheme of the present invention is:

The teletransmission high-precision pressure sensing device of a kind of Nai Tegaowen is characterized in that: the hollow clava of a Nai Tegaowen, right-hand member are hollow screw rod bodies, and the centre is the pole body with cavity, and left end is the pole body of hollow; The hollow left end of screw rod body is communicated with the right-hand member at the pole body internal cavity with cavity; There is the high temperature pressure response body at right-hand member place at the pole body internal cavity with cavity; The left end of high temperature pressure response body connects the right-hand member of strain conductor; The left end of strain conductor connects the right-hand member of the high-temp strain receptor of the left end that is arranged on the pole body internal cavity with cavity; The high-temp strain receptor connects high temperature resistant transmission line, and high temperature resistant transmission line is that the hollow of the pole body of hollow is drawn and is connected on the accurate difference photoelectric measurement module through left end.

Said high-temp strain receptor is to be the high-temp strain sensing body that matrix and platinum-tungsten alloys, titanium alloy, Aludirome constitute by sapphire.

Effect of the present invention is:

The teletransmission high-precision pressure sensing device of this Nai Tegaowen because the structure of the high temperature resistant pressure-strain body of its sheathed structure and inside, strain conductor, receptor is formed, can be accomplished the high-precision pressure of the far-end of extra-high-speed temperature and measure.

Description of drawings

Fig. 1 is among the structural representation figure of teletransmission high-precision pressure sensing device of Nai Tegaowen: 1 hollow screw rod body, 2 have pole body, the pole body of 3 hollows, 4 high temperature pressure response bodies, 5 strain conductors, 6 high-temp strain receptors, 7 high temperature resistant transmission lines, the 8 accurate difference photoelectric measurement modules of cavity.

Embodiment

The teletransmission high-precision pressure sensing device of a kind of Nai Tegaowen as shown in the figure, the hollow clava of a Nai Tegaowen, right-hand member are hollow screw rod bodies, and the centre is the pole body with cavity, and left end is the pole body of hollow; Right-hand member is the pressure transmission end, and left end is the signal transmission ends.The hollow left end of screw rod body is communicated with the right-hand member at the pole body internal cavity with cavity; There is the high temperature pressure response body at right-hand member place at the pole body internal cavity with cavity; The left end of high temperature pressure response body connects the right-hand member of strain conductor; The left end of strain conductor connects the right-hand member of the high-temp strain receptor of the left end that is arranged on the pole body internal cavity with cavity; The high-temp strain receptor connects high temperature resistant transmission line, and high temperature resistant transmission line is that the hollow of the pole body of hollow is drawn and is connected on the accurate difference photoelectric measurement module through left end.

Said high-temp strain receptor is to be the high-temp strain sensing body that matrix and platinum-tungsten alloys, titanium alloy, Aludirome constitute by sapphire.

Device is that high-temp strain sensing body, Nai Tegaowen transmission line, a kind of accurate difference photoelectric measurement module that matrix and platinum-tungsten alloys, titanium alloy, Aludirome constitute constitutes by the hollow clava of body Nai Tegaowen, by sapphire.Specifically exactly the vertical mould change of sapphire amount is extracted, corresponding with force value, record through a kind of accurate difference photoelectric measurement module.

The invention instance

The sensor of this invention is connected to an end of 5000m Nai Tegaowen lead, and the other end calculates force value with accurate difference photoelectric measurement module reading.

The technical indicator that reaches does

1. the pressure sensor device heatproof is 500～700 ℃, 1000～1500 ℃ of transfer wire heatproofs

2. withstand voltage 0～100MPa, precision 0.1%

3. sensing distance >=5000m

4. can in environment such as HTHP wet saturated steam, profit gas mixture, soda acid, use.

Claims (3)

1. the teletransmission high-precision pressure sensing device of Yi Zhong Nai Tegaowen, it is characterized in that: the hollow clava of a Nai Tegaowen, right-hand member are hollow screw rod bodies, and the centre is the pole body with cavity, and left end is the pole body of hollow; The hollow left end of screw rod body is communicated with the right-hand member at the pole body internal cavity with cavity; There is the high temperature pressure response body at right-hand member place at the pole body internal cavity with cavity; The left end of high temperature pressure response body connects the right-hand member of strain conductor; The left end of strain conductor connects the right-hand member of the high-temp strain receptor of the left end that is arranged on the pole body internal cavity with cavity, and the high-temp strain receptor connects high temperature resistant transmission line.

2. the teletransmission high-precision pressure sensing device of Nai Tegaowen according to claim 1 is characterized in that: said high temperature resistant transmission line is that the hollow of the pole body of hollow is drawn and is connected on the accurate difference photoelectric measurement module through left end.

3. the teletransmission high-precision pressure sensing device of Nai Tegaowen according to claim 1 is characterized in that: said high-temp strain receptor is to be the high-temp strain sensing body that matrix and platinum-tungsten alloys, titanium alloy, Aludirome constitute by sapphire.

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