CN210774474U - Internal pressure measuring structure for external microwave digestion tank - Google Patents
Internal pressure measuring structure for external microwave digestion tank Download PDFInfo
- Publication number
- CN210774474U CN210774474U CN201922034459.4U CN201922034459U CN210774474U CN 210774474 U CN210774474 U CN 210774474U CN 201922034459 U CN201922034459 U CN 201922034459U CN 210774474 U CN210774474 U CN 210774474U
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- China
- Prior art keywords
- pressure measuring
- pressure
- piezoelectric crystal
- measuring pipe
- digestion tank
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- 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.)
- Expired - Fee Related
Links
- 238000000120 microwave digestion Methods 0.000 title claims description 12
- 239000013078 crystal Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 11
- 230000029087 digestion Effects 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model belongs to the technical field of the microwave technique of clearing up and specifically relates to an internal pressure measurement structure of jar is cleared up to external microwave, including the pressure-measuring pipe, the pressure-measuring pipe setting is on clearing up the pot cover of the jar body, the pressure-measuring pipe is linked together with the cover is inside, the inside intermediate position of pressure-measuring pipe is equipped with annular T platform, lumen and last tube cavity under the T platform is cut apart into with the inside of pressure-measuring pipe, the lower tube intracavity is equipped with the piston piece, the top circumference of piston piece is equipped with the flange, the flange is taken and is established at T bench, the top of piston piece is provided with the piezocrystal, the top of piezocrystal is equipped with the buffer block, the outside of. The utility model discloses piezoelectric crystal adopts the external mode of jar, improves the precision and increase of service life that piezoelectric crystal detected, and simultaneously, piezoelectric crystal adopts the mode of independent setting, can dismantle alone, and the convenience is to piezoelectric crystal's maintenance and change.
Description
Technical Field
The utility model relates to a technical field is cleared up to the microwave, especially relates to an external microwave is cleared up jar and is used interior pressure measurement structure of jar.
Background
The microwave digestion instrument is a sample pretreatment device commonly used in laboratories, is an instrument for heating polar molecules by microwaves, and is widely applied to analysis and assay of petrochemical industry, material science, commodity inspection, biology, medicine, food science, geology and metallurgy.
Can place the microwave that is used for dispelling in the microwave clears up the jar, however, the microwave clears up the jar in microwave reaction environment, because microwave reaction has certain uncontrollable nature, the microwave impels the microwave to clear up jar internal pressure too big, and the staff fails in time to observe, this causes serious threat for reaction vessel surrounding environment. In order to provide an internal pressure measuring structure for an external microwave digestion tank.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the internal pressure of the tank cannot be timely perceived in the prior art, and providing an internal pressure measuring structure of the tank for the external microwave digestion tank.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design one kind is external microwave is cleared up jar and is used interior pressure measurement structure, including the pressure-measuring pipe, the pressure-measuring pipe sets up on clearing up the cover of the jar body, the pressure-measuring pipe is linked together with the cover is inside, the inside intermediate position of pressure-measuring pipe is equipped with annular T platform, lumen and last tube chamber under the inside cut apart into of T platform with the pressure-measuring pipe, the intracavity of low tube is equipped with the piston piece, the top of piston piece is equipped with the flange on week, the flange is taken and is established at T bench, and the top of piston piece is provided with the piezocrystal, and the top of piezocrystal is equipped with the buffer block, the outside of pressure-measuring pipe can be dismantled and be.
Furthermore, the inner diameter of the lower tube cavity is the same as the outer diameter of the piston block, and a sealing ring is arranged on the outer side of the piston block.
Furthermore, a through hole penetrates through the axis position of the buffer block.
Furthermore, a wire passing hole penetrates through the axis position of the top of the sealing cover.
Furthermore, a disassembling part is arranged on the sealing cover.
Furthermore, a threaded part for detachable connection is arranged between the pressure measuring pipe and the sealing cover.
The utility model provides a pair of jar is cleared up with jar interior pressure measurement structure to external microwave, beneficial effect lies in: the utility model discloses a be equipped with the pressure-measuring pipe on the cover, be equipped with the piezoelectric crystal that detects pressure variation in the pressure-measuring pipe, piezoelectric crystal adopts the external mode of jar, ensures that piezoelectric crystal carries out indirect pressure measurement to dissolving jar internally through the piston piece, avoids piezoelectric crystal and the contact of clearing up the internal high temperature material of jar, improves the precision and the life that piezoelectric crystal detected, and simultaneously, piezoelectric crystal adopts the mode of independent setting, can dismantle alone, and favourable follow-up use is to piezoelectric crystal's maintenance and change.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective exploded view of the present invention;
fig. 3 is a schematic diagram of the internal structure of the present invention.
Labeled as: the digestion tank body 1, the tank cover 2, the pressure measuring pipe 3, the lower pipe cavity 41, the upper pipe cavity 42, the threaded part 5, the T-shaped table 6, the piston block 7, the flange 8, the piezoelectric crystal 9, the buffer block 10, the through hole 11, the sealing cover 12, the dismounting part 13 and the wire passing hole 14.
Detailed Description
The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-3, an internal pressure measurement structure of an external microwave digestion tank comprises a pressure measurement pipe 3, wherein the pressure measurement pipe 3 is arranged on a tank cover 2 of a digestion tank body 1, the pressure measurement pipe 3 is communicated with the inside of the tank cover 2, an annular T table 6 is arranged at the middle position inside the pressure measurement pipe 3, the T table 6 divides the inside of the pressure measurement pipe 3 into a lower pipe cavity 41 and an upper pipe cavity 42, a piston block 7 is arranged in the lower pipe cavity 41, a flange 8 is circumferentially arranged at the top of the piston block 7, the flange 8 is arranged on the T table 6 in an overlapping mode, the inner diameter of the lower pipe cavity 41 is identical to the outer diameter of the piston block 7, a sealing ring is arranged on the outer side of the piston block 7, the flange 8 plays a role in positioning the piston block 7, the piston block 7 can be fixed in the lower pipe cavity 41, and when pressure is generated in the digestion tank body 1, the piston block.
The top of piston piece 7 is provided with piezoelectric crystal 9, piezoelectric crystal 9's top is equipped with buffer block 10, pressure-measuring pipe 3's outside can be dismantled and be equipped with closing cap 12 that is used for compressing tightly buffer block 10, be equipped with dismantlement portion 13 on the closing cap 12, be equipped with between pressure-measuring pipe 3 and the closing cap 12 and be used for dismantling the screw thread portion 5 of being connected, closing cap 12 can be dismantled the connection in the pressure-measuring pipe 3 outside through screw thread portion 5, be used for encapsulating piezoelectric crystal 9 in pressure-measuring pipe 3, when needs maintain or change piezoelectric crystal 9, alright conveniently take out piezoelectric crystal 9 from pressure-measuring pipe 3.
The through hole 11 penetrates through the axis position of the buffer block 10, the line passing hole 14 penetrates through the top axis position of the sealing cover 12, the through hole 11 and the line passing hole 14 are used for leading wires passing through the piezoelectric crystal 9, in addition, the pressure difference between the inside and the outside of the upper tube cavity 42 can be ensured, and the detection precision of the piezoelectric crystal 9 is further improved.
The utility model discloses an external microwave is cleared up jar and is used interior pressure measurement structure, moreover, the steam generator is simple in structure, be equipped with pressure-measuring pipe 3 on cover 2, be equipped with the piezoelectric crystal 9 that detects the pressure change in the pressure-measuring pipe 3, piezoelectric crystal 9 adopts the external mode of jar, ensure that piezoelectric crystal 9 carries out indirect pressure measurement in the jar body 1 through piston piece 7 to the clearing up jar, avoid piezoelectric crystal 9 and the contact of clearing up the internal high temperature material of jar, improve the precision and the extension life that piezoelectric crystal 9 detected, and simultaneously, piezoelectric crystal 9 adopts the mode of independent setting, can dismantle alone, the repair and the change of favourable follow-up use to piezoelectric crystal 9.
Specifically, when in use, the piston block 7 is put in from the top of the pressure measuring tube 3, the piston block 7 is inserted into the lower tube cavity 41 in a matching manner, the flange 8 on the edge of the top of the piston block 7 is lapped on the T-shaped table 6, the flange 8 plays a role in limiting the piston block 7, at this time, the inner wall of the lower tube cavity 41 and the outer wall of the piston block 7 are mutually attached and sealed, next, the piezoelectric crystal 9 is placed on the top surface of the piston block 7, then the buffer block 10 is placed in the upper tube cavity 42 and pressed on the piezoelectric crystal 9, finally, the seal cover 12 is covered on the pressure measuring tube 3 to compress the buffer block 10, when high pressure is formed in the digestion tank body 1, the piston block 7 is pushed to move upwards and apply pressure on the piezoelectric crystal 9, at this time, the piezoelectric crystal 9 collects pressure change in the digestion tank body 1 and conveys the collected pressure signal channel lead out, on one hand, the buffer block 10 deforms to realize displacement of the piston block, on the other hand, the piezoelectric crystal 9 is well protected.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An internal pressure measuring structure for an external microwave digestion tank comprises a pressure measuring pipe (3), the pressure measuring pipe (3) is arranged on the tank cover (2) of the digestion tank body (1), it is characterized in that the pressure measuring pipe (3) is communicated with the inside of the tank cover (2), an annular T-shaped platform (6) is arranged in the middle of the inside of the pressure measuring pipe (3), the T-shaped table (6) divides the interior of the piezometric tube (3) into a lower tube cavity (41) and an upper tube cavity (42), a piston block (7) is arranged in the lower pipe cavity (41), a flange (8) is arranged on the top circumference of the piston block (7), the flange (8) is erected on the T-shaped table (6), the top of the piston block (7) is provided with a piezoelectric crystal (9), a buffer block (10) is arranged above the piezoelectric crystal (9), and a sealing cover (12) used for pressing the buffer block (10) is detachably arranged outside the piezometric tube (3).
2. The internal pressure measuring structure for the external microwave digestion tank according to the claim 1, characterized in that the internal diameter of the lower pipe cavity (41) is the same as the external diameter of the piston block (7), and the outside of the piston block (7) is provided with a sealing ring.
3. The internal pressure measuring structure for the external microwave digestion tank as claimed in claim 1, wherein a through hole (11) is formed through the axial center of the buffer block (10).
4. The internal pressure measuring structure for the external microwave digestion tank as claimed in claim 1, wherein a wire through hole (14) is formed at the top axial center position of the sealing cover (12).
5. The internal pressure measuring structure for the external microwave digestion tank according to the claim 1, characterized in that the seal cover (12) is provided with a detaching part (13).
6. The internal pressure measuring structure for the external microwave digestion tank according to the claim 1, characterized in that a screw thread part (5) for detachable connection is arranged between the pressure measuring pipe (3) and the sealing cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034459.4U CN210774474U (en) | 2019-11-22 | 2019-11-22 | Internal pressure measuring structure for external microwave digestion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034459.4U CN210774474U (en) | 2019-11-22 | 2019-11-22 | Internal pressure measuring structure for external microwave digestion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210774474U true CN210774474U (en) | 2020-06-16 |
Family
ID=71066665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922034459.4U Expired - Fee Related CN210774474U (en) | 2019-11-22 | 2019-11-22 | Internal pressure measuring structure for external microwave digestion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210774474U (en) |
-
2019
- 2019-11-22 CN CN201922034459.4U patent/CN210774474U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |