CN111076862A - Explosion pressure gauge heat insulation structure - Google Patents
Explosion pressure gauge heat insulation structure Download PDFInfo
- Publication number
- CN111076862A CN111076862A CN201911397929.1A CN201911397929A CN111076862A CN 111076862 A CN111076862 A CN 111076862A CN 201911397929 A CN201911397929 A CN 201911397929A CN 111076862 A CN111076862 A CN 111076862A
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- China
- Prior art keywords
- heat insulation
- cooling pipe
- pressure gauge
- cooling
- channel
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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.)
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Links
- 238000009413 insulation Methods 0.000 title claims abstract description 44
- 238000004880 explosion Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 88
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000005422 blasting Methods 0.000 abstract description 16
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/24—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid specially adapted for measuring pressure in inlet or exhaust ducts of internal-combustion engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/26—Details or accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/26—Details or accessories
- G01L23/28—Cooling means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a heat insulation structure of an explosion pressure gauge, which comprises a holding piece and a cooling assembly, wherein the cooling assembly comprises a first cooling pipe and a second cooling pipe, the first cooling pipe is detachably arranged at one end of the holding piece, a heat dissipation cavity communicated with the outside air is arranged on the holding piece, and the second cooling pipe is arranged in the heat dissipation cavity. According to the invention, the holding piece is arranged on the outer side of the cooling component, so that the heat conduction of the blasting air flow is isolated, the stability of the holding piece is reduced, the operation of a user is facilitated, the holding piece can be used as a support of the whole structure, the structural strength of the blasting pressure gauge can be improved, the blasting pressure gauge is prevented from being damaged during the disassembly, meanwhile, the blasting air flow going to the detection gauge is further cooled by adopting the capillary tube, the damage of high temperature to the detection structure of the detection gauge is reduced, and the service life of the detection gauge is prolonged.
Description
Technical Field
The invention relates to the field of heat insulation structures of burst pressure gauges, in particular to a heat insulation structure of a burst pressure gauge.
Background
The explosion pressure gauge is a device for detecting the airflow pressure of the cylinder of the internal combustion engine during the explosion, in particular to a large and medium diesel engine. The applicant has found that the following problems exist in the use of burst pressure gauges: because the explosion manometer is held by hands to need the manual work and carry out repeated dismouting work respectively on the detection mouth of every cylinder, consequently the air current of blasting can transmit higher temperature for the explosion manometer, makes the inconvenient dismouting of operating personnel, and high temperature can cause the damage to detecting table inner structure simultaneously, has reduced the life of explosion manometer.
Disclosure of Invention
In view of the above, the present invention is directed to a thermal insulation structure for a burst pressure gauge, which is used to solve all or one of the problems of the related art.
Based on the above purpose, the invention provides a thermal insulation structure of an explosion pressure gauge, which comprises a holding part and a cooling assembly, wherein the cooling assembly comprises a first cooling pipe and a second cooling pipe, a first cooling channel is arranged in the first cooling pipe, a second cooling channel is arranged in the second cooling pipe, the first cooling pipe is detachably arranged at one end of the holding part, a heat dissipation cavity communicated with the outside air is arranged on the holding part, the second cooling pipe is arranged in the heat dissipation cavity, a first connecting channel is arranged at one end of the holding part, a second connecting channel is arranged at the other end of the holding part, one end of the first connecting channel is communicated with the first cooling pipe, the other end of the first connecting channel is communicated with one end of the second cooling pipe, and the other end of the second cooling pipe is communicated with the second connecting channel.
Optionally, one end of the first cooling channel is provided with a first connecting hole, the other end of the first cooling channel is provided with a second connecting hole, and the second connecting hole is used for being connected with the holding piece.
Optionally, a plurality of cooling fins are arranged on the outer wall of the first cooling pipe.
Optionally, the holding piece comprises a support column, a first heat insulation flange detachably mounted at one end of the support column and a second heat insulation flange detachably mounted at the other end of the support column, a damping joint is detachably mounted in the first heat insulation flange, an instrument connecting seat is detachably mounted in the second heat insulation flange, a first connecting channel is arranged in the damping joint, a second connecting channel is arranged in the instrument connecting seat, and the support column, the first heat insulation flange, the second heat insulation flange, the damping joint and the instrument connecting seat are combined to form a containing cavity.
Optionally, a damping positioning hole is formed in the end of the first connecting channel, and one end of the second cooling pipe is welded and fixed in the damping positioning hole.
Optionally, one end of the instrument connecting seat, which is far away from the second cooling pipe, is provided with an instrument hole.
Optionally, the second cooling pipe is a capillary.
Optionally, a spiral part is arranged on the capillary tube.
Optionally, the turning radii of the spiral parts are the same.
Optionally, the period of rotation of the spiral portion is equal to 2 cycles.
Has the advantages that:
according to the invention, the holding piece is arranged on the outer side of the cooling component, so that the heat conduction of the blasting air flow is isolated, the stability of the holding piece is reduced, the operation of a user is facilitated, the holding piece can be used as a support of the whole structure, the structural strength of the blasting pressure gauge can be improved, the blasting pressure gauge is prevented from being damaged during the disassembly, meanwhile, the blasting air flow going to the detection gauge is further cooled by adopting the capillary tube, the damage of high temperature to the detection structure of the detection gauge is reduced, and the service life of the detection gauge is prolonged.
Drawings
Fig. 1 is a schematic structural view of a thermal insulation structure of an explosion pressure gauge according to an embodiment of the present invention:
FIG. 2 is a connection diagram of a heat insulation structure of the burst pressure gauge according to the embodiment of the present invention;
fig. 3 is a usage state diagram of the explosion pressure gauge heat insulation structure according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As an embodiment, the invention provides a thermal insulation structure of an explosion pressure gauge, which includes a holding member and a cooling assembly, wherein the cooling assembly includes a first cooling pipe and a second cooling pipe, a first cooling channel is arranged in the first cooling pipe, a second cooling channel is arranged in the second cooling pipe, the first cooling pipe is detachably mounted at one end of the holding member, a heat dissipation cavity communicated with outside air is arranged on the holding member, the second cooling pipe is mounted in the heat dissipation cavity, a first connection channel is arranged at one end of the holding member, a second connection channel is arranged at the other end of the holding member, one end of the first connection channel is communicated with the first cooling pipe, the other end of the first connection channel is communicated with one end of the second cooling pipe, and the other end of the second cooling pipe is communicated with the second connection channel.
As shown in fig. 1 to 3, as an embodiment of the present invention, an explosion pressure gauge heat insulation structure includes a holding member and a cooling assembly, the cooling assembly includes a first cooling pipe 1 and a second cooling pipe 2, a first cooling channel 1a is disposed in the first cooling pipe 1, a second cooling channel 2a is disposed in the second cooling pipe 2, the first cooling pipe 1 is detachably mounted at one end of the holding member, a heat dissipation chamber 3a communicated with the outside air is disposed on the holding member, the second cooling pipe 2 is mounted in the heat dissipation chamber 3a, one end of the holding member has a first connection channel 3b, the other end of the holding member has a second connection channel 3c, one end of the first connection channel 3b is communicated with the first cooling pipe 1, the other end of the first connection channel 3b is communicated with one end of the second cooling pipe 2, and the other end of the second cooling pipe 2 is communicated with the second connection channel 3 c.
Particularly, set up the holder through the outside at the cooling subassembly, keep apart the heat conduction of burning and exploding the air current, reduce the stability of holder, convenient to use person operates, and the holder can regard as overall structure's support, can improve the structural strength of outburst manometer, avoid damaging the outburst manometer dismantling, adopt the capillary to further cool off the burning and exploding air current that goes on detecting the table simultaneously, reduced the damage of high temperature to detecting the table detection structure, prolonged the life who detects the table.
One end of the first cooling channel 1a is provided with a first connection hole 1a1, the other end of the first cooling channel 1a is provided with a second connection hole 1a2, and the second connection hole 1a2 is used for connecting with the holding piece. A sealing ring is further disposed in the second connection hole 1a2, and an end of the damping adapter 34 is installed in the second connection hole 1a2 by a screw connection.
Be provided with a plurality of fin 1b on the outer wall of first cooling tube 1, fin 1b multiplicable first cooling tube 1 and the area of contact of air to improve the cooling efficiency of first cooling passageway 1 a.
The holding piece comprises a supporting column 31, a first heat insulation flange 32 and a second heat insulation flange 33, wherein the first heat insulation flange 32 is installed at one end of the supporting column 31 through bolts, the second heat insulation flange 33 is installed at the other end of the supporting column 31 through bolts, a damping joint 34 is installed in the first heat insulation flange 32 through bolts, an instrument connecting seat 35 is installed in the second heat insulation flange 33 through bolts, a first connecting channel 3b is arranged in the damping joint 34, a second connecting channel 3c is arranged in the instrument connecting seat 35, and the supporting column 31, the first heat insulation flange 32, the second heat insulation flange 33, the damping joint 34 and the instrument connecting seat 35 are combined to form a heat dissipation. The first heat insulation flange 32 and the second heat insulation flange 33 are made of heat insulation materials, so that heat conduction can be reduced, and a user can be prevented from being scalded.
The end of the first connecting channel 3b is provided with a damping positioning hole 3b1, and one end of the second cooling pipe 2 is welded and fixed in the damping positioning hole 3b 1.
The instrument connecting seat 35 is provided with an instrument hole 35a far away from the one end of second cooling pipe 2, and the accessible screw thread of detection table is installed in instrument hole 35 a.
The second cooling pipe 2 is a capillary pipe. The capillary tube can reduce the temperature of the combustion and explosion airflow of the internal combustion engine, so that the detection meter for detection is not damaged, and the service life is prolonged.
In the embodiment of this application, be provided with spiral portion 21 on the capillary, spiral portion 21 can adopt multiple arrangement mode, but the preferred rotation radius of spiral portion 21 is the same in this application, and the rotation cycle of spiral portion 21 equals 2 weeks, and this structure is in the in-process that uses, can effectively reduce the temperature of blasting air current, does not influence the precision that detects simultaneously, if rotation cycle is too much, can influence the pressure of blasting air current, if rotation cycle is too little, can influence the heat dissipation of blasting air current.
In the present application, the capillary and spiral portion 21 is preferably arranged as follows:
the diameter of the capillary tube was 4mm, the number of turns was 2 weeks, and the crimp diameter was 20 mm.
Specifically, the explosion airflow enters the first cooling channel 1a and the second cooling channel 2a, and enters the detection meter after being cooled by the first cooling pipe 1 and the second cooling pipe 2, the detection meter converts the pressure of the explosion airflow into data and displays the data, and a user can know the explosion pressure of the combustion engine according to the displayed data.
In summary, the grip piece is arranged on the outer side of the cooling assembly, so that heat conduction of the blasting air flow is isolated, the stability of the grip piece is reduced, the grip piece is convenient for a user to operate, the grip piece can be used as a support of the whole structure, the structural strength of the blasting pressure gauge can be improved, the blasting pressure gauge is prevented from being damaged during disassembly, meanwhile, the capillary tube is adopted to further cool the blasting air flow going to the detection gauge, the damage of high temperature to the detection structure of the detection gauge is reduced, and the service life of the detection gauge is prolonged.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The explosion pressure gauge heat insulation structure is characterized by comprising a holding part and a cooling assembly, wherein the cooling assembly comprises a first cooling pipe and a second cooling pipe, a first cooling channel is arranged in the first cooling pipe, a second cooling channel is arranged in the second cooling pipe, the first cooling pipe is detachably arranged at one end of the holding part, a heat dissipation cavity communicated with the outside air is arranged on the holding part, the second cooling pipe is arranged in the heat dissipation cavity, a first connecting channel is arranged at one end of the holding part, a second connecting channel is arranged at the other end of the holding part, one end of the first connecting channel is communicated with the first cooling pipe, the other end of the first connecting channel is communicated with one end of the second cooling pipe, and the other end of the second cooling pipe is communicated with the second connecting channel.
2. The burst pressure gauge heat insulation structure according to claim 1, wherein one end of the first cooling channel is provided with a first connection hole, and the other end of the first cooling channel is provided with a second connection hole for connecting with a grip.
3. The explosion pressure gauge heat insulation structure according to claim 1, wherein a plurality of fins are provided on an outer wall of the first cooling pipe.
4. The burst pressure gauge heat insulation structure according to claim 1, wherein the holder comprises a support column, a first heat insulation flange detachably mounted at one end of the support column, and a second heat insulation flange detachably mounted at the other end of the support column, a damping connector is detachably mounted in the first heat insulation flange, an instrument connection seat is detachably mounted in the second heat insulation flange, the first connection channel is disposed in the damping connector, the second connection channel is disposed in the instrument connection seat, and the support column, the first heat insulation flange, the second heat insulation flange, the damping connector and the instrument connection seat are combined to form a containing cavity.
5. The explosion pressure gauge heat insulation structure according to claim 4, wherein a damping positioning hole is formed at an end of the first connection passage, and one end of the second cooling pipe is welded and fixed in the damping positioning hole.
6. The explosion pressure gauge heat insulation structure according to claim 5, wherein an end of the gauge connecting seat away from the second cooling pipe is provided with a gauge hole.
7. The burst pressure gauge heat insulation structure according to claim 1, wherein the second cooling pipe is a capillary tube.
8. The explosion pressure gauge heat insulation structure of claim 7, wherein a spiral part is provided on the capillary tube.
9. The explosion pressure gauge heat insulation structure of claim 8, wherein the radius of rotation of the spiral part is the same.
10. The explosion pressure gauge heat insulation structure of claim 9, wherein a rotation period of the spiral part is equal to 2 cycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397929.1A CN111076862A (en) | 2019-12-30 | 2019-12-30 | Explosion pressure gauge heat insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397929.1A CN111076862A (en) | 2019-12-30 | 2019-12-30 | Explosion pressure gauge heat insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076862A true CN111076862A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397929.1A Pending CN111076862A (en) | 2019-12-30 | 2019-12-30 | Explosion pressure gauge heat insulation structure |
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| Country | Link |
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| CN (1) | CN111076862A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083748U (en) * | 1990-08-04 | 1991-08-28 | 钱国兴 | Pressure instruments protecting joint |
| CN202393557U (en) * | 2011-12-12 | 2012-08-22 | 天津市岳泰创新科技服务有限公司 | High-temperature-resistant pressure gauge |
| CN206430854U (en) * | 2017-01-20 | 2017-08-22 | 平湖市晨人仪表有限公司 | A kind of pressure gauge of convenient radiating |
| CN107631833A (en) * | 2017-10-17 | 2018-01-26 | 北京中航兴盛测控技术有限公司 | Superhigh temperature pressure sensor and its manufacture method |
| CN208818418U (en) * | 2018-11-10 | 2019-05-03 | 山东高纳自控设备有限公司 | One kind is for high-temperature and high concentration high corrosion acid solution pressure measurement isolation bellows |
| CN209086765U (en) * | 2018-12-19 | 2019-07-09 | 东方电气集团东方锅炉股份有限公司 | A kind of pressure transmitter pressure guiding pipe temperature control device |
| CN211085559U (en) * | 2019-12-30 | 2020-07-24 | 安徽茂登自动化仪表有限公司 | Explosion pressure gauge heat insulation structure |
-
2019
- 2019-12-30 CN CN201911397929.1A patent/CN111076862A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083748U (en) * | 1990-08-04 | 1991-08-28 | 钱国兴 | Pressure instruments protecting joint |
| CN202393557U (en) * | 2011-12-12 | 2012-08-22 | 天津市岳泰创新科技服务有限公司 | High-temperature-resistant pressure gauge |
| CN206430854U (en) * | 2017-01-20 | 2017-08-22 | 平湖市晨人仪表有限公司 | A kind of pressure gauge of convenient radiating |
| CN107631833A (en) * | 2017-10-17 | 2018-01-26 | 北京中航兴盛测控技术有限公司 | Superhigh temperature pressure sensor and its manufacture method |
| CN208818418U (en) * | 2018-11-10 | 2019-05-03 | 山东高纳自控设备有限公司 | One kind is for high-temperature and high concentration high corrosion acid solution pressure measurement isolation bellows |
| CN209086765U (en) * | 2018-12-19 | 2019-07-09 | 东方电气集团东方锅炉股份有限公司 | A kind of pressure transmitter pressure guiding pipe temperature control device |
| CN211085559U (en) * | 2019-12-30 | 2020-07-24 | 安徽茂登自动化仪表有限公司 | Explosion pressure gauge heat insulation structure |
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