CN111056736A - Method for manufacturing temperature compensator of molecular electronic type angular accelerometer - Google Patents
Method for manufacturing temperature compensator of molecular electronic type angular accelerometer Download PDFInfo
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- CN111056736A CN111056736A CN201811209057.7A CN201811209057A CN111056736A CN 111056736 A CN111056736 A CN 111056736A CN 201811209057 A CN201811209057 A CN 201811209057A CN 111056736 A CN111056736 A CN 111056736A
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- temperature
- glass
- straight pipe
- molecular electronic
- angular accelerometer
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/07—Re-forming tubes or rods by blowing, e.g. for making electric bulbs
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer, which can meet the requirements of the product on working reliability and long-term use stability when the temperature of an external environment changes in the practical use of a molecular electronic type angular accelerometer engineering product. The method comprises the following steps: step 1: fixing the position of the glass straight pipe; step 2: forming the temperature compensator at high temperature; and step 3: and (5) annealing after high-temperature forming. The advantages are that: the molecular electronic angular accelerometer temperature compensator is a special glass bulb, the bulb is connected with a sensitive component, when the external temperature changes, working liquid in the sensitive component expands with heat and contracts with cold along with the temperature, and flows back and forth in the sensitive component and the glass bulb, so that the pressure of a cavity in the sensitive component is kept stable. The requirements of the product on working reliability and long-term use stability when the external environment temperature changes are met in the practical use of the molecular electronic type angular accelerometer engineering product.
Description
Technical Field
The invention belongs to a method for manufacturing a temperature compensator, and particularly relates to a method for manufacturing a sensitive component temperature compensator in a molecular electronic type angular accelerometer.
Background
The molecular electronic type angular accelerometer is used for measuring angular acceleration signals of a carrier relative to a corresponding axis, and the working principle of the molecular electronic type angular accelerometer is that the flow of working liquid in a sensitive assembly of the molecular electronic type angular accelerometer causes the transfer of charges at the interface of a conversion device and liquid to form a potential difference. The potential difference between the two ends of the conversion device is measured through the electrodes, electric signals corresponding to external angular acceleration signals are directly obtained, and the electric signals are accumulated and output through the electrodes of the converter.
The working liquid of the molecular electronic type angular accelerometer is encapsulated in a closed sensitive component cavity, and along with the change of the external environment temperature, the liquid expands with heat and contracts with cold, so that the pressure in the sensitive component cavity changes, and the stable work and the long-term reliability of a product are influenced, therefore, a temperature compensator is required to be added in the sensitive component. The temperature compensator is one of the components in the sensor structure, is a special glass material, and is made of various alkaline substances such as Na, Ca, K and the like and SiO2And (4) forming. The firm manufacturing condition of the accelerometer directly influences the reliability of the angular accelerometer product in practical engineering application.
Disclosure of Invention
The invention aims to provide a method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer, which can meet the requirements of the product on working reliability and long-term use stability when the temperature of an external environment changes in the practical use of a molecular electronic type angular accelerometer engineering product.
The technical scheme of the invention is as follows: a method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer comprises the following steps:
step 1: fixing the position of the glass straight pipe;
step 2: forming the temperature compensator at high temperature;
and step 3: and (5) annealing after high-temperature forming.
The method comprises the following steps that step 1, a glass straight pipe with the diameter of 8-12 mm is fixed between rotatable tool fixtures, and the glass straight pipe is clamped tightly through the fixtures, so that the glass straight pipe cannot fall off in the rotating process.
The clamping torque in the step 1 is at least 2 N.m.
And 2, preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes, starting the rotatable tool fixtures to rotate, adjusting the temperature of the glass sintering lamp gun to 900-1000 ℃, heating the preheated position at a high temperature, introducing air into the glass straight pipe when the straight pipe glass begins to melt, blowing up the melted part of the glass straight pipe to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 13-17 mm.
And 3, annealing the high-temperature formed glass bulb of the temperature compensator, and naturally cooling the glass bulb at the annealing temperature of 500-600 ℃ for more than 24 hours in the annealing process.
The invention has the beneficial effects that: the molecular electronic angular accelerometer temperature compensator is a special glass bulb, the bulb is connected with a sensitive component, when the external temperature changes, working liquid in the sensitive component expands with heat and contracts with cold along with the temperature, and flows back and forth in the sensitive component and the glass bulb, so that the pressure of a cavity in the sensitive component is kept stable. The requirements of the product on working reliability and long-term use stability when the external environment temperature changes are met in the practical use of the molecular electronic type angular accelerometer engineering product.
Drawings
Fig. 1 is a schematic diagram of a molecular electronic angular accelerometer and a temperature compensator.
In the figure, 1 the temperature compensator, 2 the working fluid filled inside, 3 the annular cavity, 4 the converter, 5 the electrodes.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, the temperature compensator of the molecular electronic angular accelerometer is a special glass bulb, the bulb is connected with the sensitive component, when the external temperature changes, the working liquid in the sensitive component expands with heat and contracts with cold along with the temperature, and flows in the sensitive component and the glass bulb, so that the pressure of the cavity in the sensitive component is kept stable.
The temperature compensator of the molecular electronic type angular accelerometer is formed by stretching a glass straight tube with the diameter of 10 (8-12) mm to form a glass bulb. The method comprises the steps of installing a glass straight pipe between rotatable tool fixtures, clamping the glass straight pipe, preheating the natural flame outer flame position at the center of the straight pipe for 5 minutes by using a glass sintering lamp gun, and starting the rotatable tool fixtures to rotate. The temperature of a glass sintering lamp gun is adjusted to 950 ℃ (900-1000 ℃), when straight tube glass starts to melt, air is introduced into the glass straight tube, the melting part of the glass straight tube is blown up, a spherical glass bulb is formed, and when the diameter of the glass bulb reaches 15 (13-17) mm, the air is stopped being introduced. And (4) putting the formed glass bulb of the temperature compensator into a high-temperature annealing furnace for annealing, and finishing the manufacture of the temperature compensator of the molecular electronic type angular accelerometer.
A method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer comprises the following steps:
step 1: glass straight tube position fixing
The glass straight pipe with the diameter of 8-12 mm is fixed between the rotatable tool fixtures, the glass straight pipe is clamped through the fixtures, the clamping torque is at least 2N.m, and the glass straight pipe cannot fall off in the rotating process.
Step 2: high temperature forming of temperature compensator
And (3) preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes at the outer flame position of natural flame. And then starting the rotatable tool clamp to rotate. Adjusting the temperature of a glass sintering lamp gun to 900-1000 ℃, heating the preheated position at a high temperature, introducing air into the glass straight pipe when the glass of the straight pipe starts to melt, blowing up the melted part of the glass straight pipe to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 13-17 mm.
And step 3: high temperature post-forming annealing
And (4) putting the high-temperature formed glass bulb of the temperature compensator into a high-temperature annealing furnace for annealing, and finishing the forming manufacture of the temperature compensator. The temperature is naturally cooled in the annealing process, and the cooling rate can be loosely controlled. The annealing temperature is 500-600 ℃, and the time is more than 24 hours.
Example 1:
step 1: glass straight tube position fixing
The glass straight pipe with the diameter of 10mm is fixed between the rotatable tool fixtures, the glass straight pipe is clamped tightly through the fixtures, the clamping torque is 2N.m, and the glass straight pipe is guaranteed not to fall off in the rotating process.
Step 2: high temperature forming of temperature compensator
And (3) preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes at the outer flame position of natural flame. And then starting the rotatable tool clamp to rotate. Adjusting the temperature of a glass sintering lamp gun to 950 ℃, heating the preheated position at a high temperature, introducing air into the glass straight tube when the glass of the straight tube starts to melt, blowing up the melted part of the glass straight tube to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 15 mm.
And step 3: high temperature post-forming annealing
And (4) putting the high-temperature formed glass bulb of the temperature compensator into a high-temperature annealing furnace for annealing, and finishing the forming manufacture of the temperature compensator. The temperature is naturally cooled in the annealing process, and the cooling rate can be loosely controlled. The annealing temperature is 500-600 ℃, and the time is more than 24 hours.
Example 2:
step 1: glass straight tube position fixing
The glass straight pipe with the diameter of 12mm is fixed between the rotatable tool fixtures, the glass straight pipe is clamped tightly through the fixtures, the clamping torque is 3N.m, and the glass straight pipe is guaranteed not to fall off in the rotating process.
Step 2: high temperature forming of temperature compensator
And (3) preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes at the outer flame position of natural flame. And then starting the rotatable tool clamp to rotate. Adjusting the temperature of a glass sintering lamp gun to 950 ℃, heating the preheated position at a high temperature, introducing air into the glass straight tube when the glass of the straight tube starts to melt, blowing up the melted part of the glass straight tube to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 15 mm.
And step 3: high temperature post-forming annealing
And (4) putting the high-temperature formed glass bulb of the temperature compensator into a high-temperature annealing furnace for annealing, and finishing the forming manufacture of the temperature compensator. The temperature is naturally cooled in the annealing process, and the cooling rate can be loosely controlled. The annealing temperature is 500-600 ℃, and the time is more than 24 hours.
Claims (7)
1. A method for manufacturing a molecular electronic type angular accelerometer temperature compensator is characterized by comprising the following steps: the method comprises the following steps:
step 1: fixing the position of the glass straight pipe;
step 2: forming the temperature compensator at high temperature;
and step 3: and (5) annealing after high-temperature forming.
2. The method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer according to claim 1, wherein: the method comprises the following steps that step 1, a glass straight pipe with the diameter of 8-12 mm is fixed between rotatable tool fixtures, and the glass straight pipe is clamped tightly through the fixtures, so that the glass straight pipe cannot fall off in the rotating process.
3. The method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer according to claim 2, wherein: the clamping torque in the step 1 is at least 2 N.m.
4. The method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer according to claim 1, wherein: and 2, preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes, starting the rotatable tool fixtures to rotate, adjusting the temperature of the glass sintering lamp gun to 900-1000 ℃, heating the preheated position at a high temperature, introducing air into the glass straight pipe when the straight pipe glass begins to melt, blowing up the melted part of the glass straight pipe to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 13-17 mm.
5. The method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer according to claim 1, wherein: and 3, annealing the high-temperature formed glass bulb of the temperature compensator, and naturally cooling the glass bulb at the annealing temperature of 500-600 ℃ for more than 24 hours in the annealing process.
6. The method for manufacturing a temperature compensator of a molecular electronic type angular accelerometer according to claim 2, wherein: and 2, preheating the center position of the glass straight pipe fixed between the tool fixtures by using a glass sintering lamp gun for 5 minutes, starting the rotatable tool fixtures to rotate, adjusting the temperature of the glass sintering lamp gun to 900-1000 ℃, heating the preheated position at a high temperature, introducing air into the glass straight pipe when the straight pipe glass begins to melt, blowing up the melted part of the glass straight pipe to form a spherical glass bulb, and stopping introducing the air when the diameter of the glass bulb reaches 13-17 mm.
7. A method of fabricating a temperature compensator for a molecular electronic type angular accelerometer according to claim 3, wherein: and 3, annealing the high-temperature formed glass bulb of the temperature compensator, and naturally cooling the glass bulb at the annealing temperature of 500-600 ℃ for more than 24 hours in the annealing process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811209057.7A CN111056736A (en) | 2018-10-17 | 2018-10-17 | Method for manufacturing temperature compensator of molecular electronic type angular accelerometer |
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| CN201811209057.7A CN111056736A (en) | 2018-10-17 | 2018-10-17 | Method for manufacturing temperature compensator of molecular electronic type angular accelerometer |
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| CN111056736A true CN111056736A (en) | 2020-04-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635739A (en) * | 1990-02-14 | 1997-06-03 | The Charles Stark Draper Laboratory, Inc. | Micromechanical angular accelerometer with auxiliary linear accelerometer |
| CN1370979A (en) * | 2002-04-03 | 2002-09-25 | 中国航天科工集团第三研究院第三十三研究所 | Molecule-type liquid-ring angular accelerometer |
| CN106033089A (en) * | 2015-03-17 | 2016-10-19 | 北京自动化控制设备研究所 | Small-volume digital molecular electronic angle accelerometer |
| CN106324281A (en) * | 2015-07-02 | 2017-01-11 | 北京自动化控制设备研究所 | Molecular electronic angle accelerometer electromagnetism conversion unit |
| CN108020678A (en) * | 2016-11-04 | 2018-05-11 | 北京自动化控制设备研究所 | Molecular electronic type angular accelerometer sensing assembly converter electrode high-temperature sealing-in method |
-
2018
- 2018-10-17 CN CN201811209057.7A patent/CN111056736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635739A (en) * | 1990-02-14 | 1997-06-03 | The Charles Stark Draper Laboratory, Inc. | Micromechanical angular accelerometer with auxiliary linear accelerometer |
| CN1370979A (en) * | 2002-04-03 | 2002-09-25 | 中国航天科工集团第三研究院第三十三研究所 | Molecule-type liquid-ring angular accelerometer |
| CN106033089A (en) * | 2015-03-17 | 2016-10-19 | 北京自动化控制设备研究所 | Small-volume digital molecular electronic angle accelerometer |
| CN106324281A (en) * | 2015-07-02 | 2017-01-11 | 北京自动化控制设备研究所 | Molecular electronic angle accelerometer electromagnetism conversion unit |
| CN108020678A (en) * | 2016-11-04 | 2018-05-11 | 北京自动化控制设备研究所 | Molecular electronic type angular accelerometer sensing assembly converter electrode high-temperature sealing-in method |
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Application publication date: 20200424 |