CN110146219B - High-precision shock-proof pressure gauge with temperature compensation - Google Patents
High-precision shock-proof pressure gauge with temperature compensation Download PDFInfo
- Publication number
- CN110146219B CN110146219B CN201910418355.5A CN201910418355A CN110146219B CN 110146219 B CN110146219 B CN 110146219B CN 201910418355 A CN201910418355 A CN 201910418355A CN 110146219 B CN110146219 B CN 110146219B
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- cover
- side wall
- dial plate
- dial
- pressure gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/04—Means for compensating for effects of changes of temperature, i.e. other than electric compensation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/142—Multiple part housings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L2019/0053—Pressure sensors associated with other sensors, e.g. for measuring acceleration, temperature
Abstract
The invention belongs to the technical field of instruments, and particularly relates to a high-precision shock-proof pressure gauge with a temperature compensation type, which comprises a joint, a dial plate, a shell cover, a back plate, a main cover and an auxiliary cover, wherein the dial plate is welded at the top of the joint, the dial plate is adhered to the left side wall of the dial plate, the high-precision shock-proof pressure gauge with the temperature compensation type can detect the internal temperature of the shell cover when the temperature is high, a stepping motor is controlled to rotate a shaft rod once after the temperature exceeds a preset threshold value, the auxiliary cover sleeved with the shaft rod rotates in a main cover ring groove of the main cover to form a gap, the air circulation is facilitated, the air exchange speed of an arc sheet is accelerated, the cooling speed is increased, after the dial plate groove is formed on the dial plate, arc cover glass is additionally arranged to shield a pointer, and the shape of the arc cover glass can effectively disperse and relieve the pressure, the double-layer glass effect is formed by matching the outer glass plate, the shock resistance is improved, and the safety of main parts is ensured.
Description
Technical Field
The invention relates to the technical field of instruments, in particular to a high-precision shock-proof pressure gauge with a temperature compensation function.
Background
A meter is an instrument or equipment for detecting, measuring, observing, and calculating various physical quantities, material components, physical parameters, and the like, and meters such as a magnetometer, a ray counter, and the like can sense and measure physical quantities that cannot be sensed by human sense organs.
The pressure gauge is a classification in the instruments, and the pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches.
Present manometer, at the heating power pipe network, oil gas transmission, water supply gas supply system, fields such as vehicle maintenance factory shop are everywhere visible, but the manometer is when using under high temperature environment, high temperature environment can cause the ageing speed of the spare part of equipment to improve, produce local deformation and inflation even, precision when spare part reduces after the certain degree, will directly influence last measuring result, secondly in facing high-pressure measuring, current manometer lacks effectual shock-resistant mode, when outside glass is broken, make inside essential element lack effective protection, economic waste has been caused.
Disclosure of Invention
The invention aims to provide a high-precision shock-proof pressure gauge with a temperature compensation function, and aims to solve the problems that when the pressure gauge provided by the background technology is used in a high-temperature environment, the high-temperature environment can cause the aging speed of parts of equipment to be improved, even local deformation and expansion are generated, when the precision of the parts is reduced to a certain degree, the final measurement result can be directly influenced, secondly, in the process of high-pressure measurement, the existing pressure gauge lacks an effective shock-proof mode, and when external glass is broken, the internal main parts lack effective protection, and economic waste is caused.
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision shock-proof pressure gauge with a temperature compensation type comprises a joint, a dial plate, a shell cover, a back plate, a main cover and an auxiliary cover, wherein the dial plate is welded to the top of the joint, the dial plate is adhered to the left side wall of the dial plate, the shell cover is welded to the right side wall of the dial plate, the back plate is embedded in the shell cover, the main cover is welded to the right side wall of the shell cover, the auxiliary cover is embedded to the left side wall of the main cover, a lining ring is embedded to the circumferential inner wall of the dial plate, an outer glass plate is embedded to the top of the lining ring, a dial groove is formed in the left side wall of the dial plate, arc cover glass is embedded in the dial groove, a connecting rod is connected to the left side wall of the dial plate through a spring tube, a transmission rod is connected to the left side wall of the connecting rod through an adjusting screw, a pointer is connected to the left side wall of the transmission rod, the slotted hole has been seted up to the left side wall of backplate, the plug-in temperature sensor in the slotted hole, temperature sensor's right side wall has variable frequency controller through wire electric connection, variable frequency controller's output has step motor through wire electric connection, step motor's output has the axostylus axostyle through the coupling joint, the left side wall integrated into one piece of main lid is connected with main lid annular, the circumference inner wall integrated into one piece of main lid is connected with the main lid flabellum, the left side wall integrated into one piece of main lid flabellum is connected with the main lid shaft hole, the left side wall integrated into one piece of vice lid is connected with vice lid shaft hole.
Preferably, the circumferential outer wall of the joint is provided with threads, and the circumferential outer wall of the joint is rotatably connected with a joint nut.
Preferably, the right side wall of the dial plate is integrally connected with a dial cover, and the width of the dial cover is the same as the height of the arc cover glass.
Preferably, the right side wall of the pointer is connected with a balance spring through an adjusting screw, and the right side wall of the balance spring is fixedly connected with the left side wall of the transmission rod.
Preferably, a shell cover hole is formed in the front side wall of the shell cover, the shape of the shell cover hole is rectangular, and a gauze is bonded in the inner cavity of the shell cover hole.
Preferably, the arc sheet is made of an aluminum sheet.
Preferably, the center points of the shaft lever and the auxiliary cover shaft hole are consistent with the center point of the main cover shaft hole.
Preferably, the diameter of the auxiliary cover is the same as that of the main cover ring groove.
Compared with the prior art, the invention has the beneficial effects that: this high accuracy shock-proof pressure gauge with temperature compensation type, combination application through the accessory, can use at the manometer, when meeting high temperature, temperature sensor on the backplate can detect the inside temperature of casing, control step motor single rotation axostylus axostyle after the temperature surpasss predetermined threshold value, make the auxiliary cover that cup joints with the axostylus axostyle rotatory in the main lid annular of main lid, form the space, the circulation of air of being convenient for, accelerate the air exchange speed of arc piece on the backplate, make cooling rate promote, set up degree dish groove back on the dish, add arc cover glass and shelter from the pointer, arc cover glass's shape molding can carry out the effective dispersion to pressure and alleviate, the cooperation outer glass board has formed the double glazing effect, shock-proof ability has been increased, the safety of main spare part has been guaranteed.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the main cover of the present invention;
fig. 5 is a schematic view of the auxiliary lid of the present invention.
In the figure: 100 joints, 110 joint nuts, 200 dials, 201 dial covers, 210 linings, 220 outer glass plates, 300 dials, 310-degree disk grooves, 320 arc cover glass, 330 connecting rods, 340 transmission rods, 350 pointers, 351 hairsprings, 400 shell covers, 401 shell cover holes, 500 back plates, 501 arc pieces, 510 temperature sensors, 511 variable frequency controllers, 512 stepping motors, 513 shaft rods, 600 main covers, 610 main cover ring grooves, 620 main cover fan blades, 630 main cover shaft holes, 700 auxiliary covers and 710 auxiliary cover shaft holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high-precision shock-proof pressure gauge with temperature compensation, which can perform effective temperature compensation and improve shock-proof capability through the combined application of accessories, and please refer to fig. 1-5, wherein the pressure gauge comprises a joint 100, a dial 200, a dial 300, a shell 400, a back plate 500, a main cover 600 and an auxiliary cover 700;
referring to fig. 1 again, the circumferential outer wall of the joint 100 has a joint nut 110, specifically, the circumferential outer wall of the joint 100 is threaded, and the circumferential outer wall of the joint 100 is rotatably connected with the joint nut 110;
referring to fig. 1-2 again, the bottom of the dial 200 is fixedly mounted with the joint 100, specifically, the top of the joint 100 is welded with the dial 200, the inner wall of the circumference of the dial 200 is inlaid with a lining ring 210, the top of the lining ring 210 is inlaid with an outer glass plate 220, the right side wall of the dial 200 is integrally connected with a dial cover 201, and the width of the dial cover 201 is the same as the height of the arc cover glass 320;
referring to fig. 2-3 again, the right side wall of the dial 300 is fixedly mounted with the left side wall of the dial 200, specifically, the left side wall of the dial 200 is bonded with the dial 300, the left side wall of the dial 300 is provided with a dial groove 310, the left side wall of the dial 300 is provided with the dial groove 310 so as to form a cavity, an arc cover glass 320 is embedded inside the dial groove 310, the left side wall of the dial 300 is connected with a connecting rod 330 through a spring tube, the left side wall of the connecting rod 330 is connected with a transmission rod 340 through an adjusting screw, the left side wall of the transmission rod 340 is connected with a pointer 350 through an adjusting screw, the right side wall of the pointer 350 is connected with a balance spring 351 through an adjusting screw, the balance spring 351 can move in cooperation with the pointer 350, and the right side wall of the balance spring 351 is;
referring to fig. 2 again, the left side wall of the housing 400 is fixedly installed with the dial 200, specifically, the right side wall of the dial 200 is welded to the housing 400, and the welded housing 400 can protect the pressure gauge parts;
referring to fig. 3 again, the top and the bottom of the inner cavity of the back plate 500 are fixedly mounted with the top and the bottom of the housing 400, specifically, the back plate 500 is embedded in the housing 400, the arc sheet 501 is welded on the right side wall of the back plate 500, the left side wall of the back plate 500 is provided with a slot, the slot is inserted with a temperature sensor 510, the right side wall of the temperature sensor 510 is electrically connected with a variable frequency controller 511 through a wire, the output end of the variable frequency controller 511 is electrically connected with a stepping motor 512 through a wire, and the output end of the stepping motor 512 is connected with a shaft 513 through a coupling;
referring to fig. 3-5 again, the main cover 600 contacts the circumferential inner wall of the casing 400, specifically, the right side wall of the casing 400 is welded with the main cover 600, the left side wall of the main cover 600 is integrally connected with a main cover ring groove 610, the circumferential inner wall of the main cover 600 is integrally connected with main cover blades 620, and the left side wall of the main cover blades 620 is integrally connected with a main cover shaft hole 630;
referring to fig. 5 again, the left side wall of the auxiliary cover 700 is in contact with the right side wall of the main cover 600, specifically, the auxiliary cover 700 is embedded in the left side wall of the main cover 600, the left side wall of the auxiliary cover 700 is integrally connected with an auxiliary cover shaft hole 710, and the auxiliary cover shaft hole 710 can be inserted in cooperation with the shaft 513;
when the temperature exceeds the preset threshold value, the variable frequency controller 511 controls the stepping motor 512 to rotate the shaft 513 once, so that the auxiliary cover 700 sleeved with the shaft 513 rotates in the main cover annular groove 610 of the main cover 600, the auxiliary cover 700 shields the gap of the main cover 600 at ordinary times, the auxiliary cover 700 and the main cover 600 are dislocated after the rotation to form a gap, air circulation is facilitated, the air exchange speed of the arc piece 501 on the back plate 500 is accelerated, the material of the arc piece 501 is aluminum sheet, make cooling rate promote, after the temperature is normal, temperature sensor 510 senses the temperature normal back, can utilize frequency conversion controller 511 to control step motor 512 once more, step motor 512 receives frequency conversion controller 511 to influence rotatory back once more, make vice lid 700 reset, shelter from the space on the main cover 600, set up degree dish groove 310 back on the dish 300, add arc cover glass 320 and shelter from pointer 350, arc cover glass 320's shape molding can carry out effective dispersion to pressure and alleviate, cooperation outer glass plate 220 has formed the double glazing effect, the pressure resistance has been increased, the safety of main spare part has been guaranteed.
Referring to fig. 2 again, in order to increase the air exchange speed inside the housing 400, specifically, a housing hole 401 is formed in the front side wall of the housing 400, the housing hole 401 facilitates air exchange, the housing hole 401 is rectangular, and a gauze is bonded to an inner cavity of the housing hole 401 and facilitates blocking of foreign particles.
Referring to fig. 3 again, in order to increase the heat exchange speed of the arc piece 501, specifically, the arc piece 501 is made of an aluminum sheet, which is convenient for increasing the heat dissipation.
Referring to fig. 5 again, in order to make the main cover 600 and the sub cover 700 rotate effectively, in particular, the center points of the shaft 513 and the sub cover shaft hole 710 are coincident with the center point of the main cover shaft hole 630.
Referring again to fig. 5, in order to effectively limit the position of the main cap 600, in particular, the diameter of the auxiliary cap 700 is the same as that of the main cap ring groove 610.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a high accuracy shock-proof pressure gauge with temperature compensation type which characterized in that: the dial plate comprises a joint (100), a dial plate (200), a dial plate (300), a housing cover (400), a back plate (500), a main cover (600) and an auxiliary cover (700), wherein the dial plate (200) is welded to the top of the joint (100), the dial plate (300) is adhered to the left side wall of the dial plate (200), the housing cover (400) is welded to the right side wall of the dial plate (200), the back plate (500) is embedded in the housing cover (400), the main cover (600) is welded to the right side wall of the housing cover (400), the auxiliary cover (700) is embedded in the left side wall of the main cover (600), a lining ring (210) is embedded in the inner wall of the circumference of the dial plate (200), an outer glass plate (220) is embedded in the top of the lining ring (210), a dial groove (310) is formed in the left side wall of the dial plate (300), an arc cover glass (320) is embedded in the dial groove (310), and a connecting rod (330) is connected to the left side wall of the dial plate (, the left side wall of the connecting rod (330) is connected with a transmission rod (340) through an adjusting screw, the left side wall of the transmission rod (340) is connected with a pointer (350) through an adjusting screw, the right side wall of the back plate (500) is welded with an arc sheet (501), the left side wall of the back plate (500) is provided with a slotted hole, a temperature sensor (510) is inserted in the slotted hole, the right side wall of the temperature sensor (510) is electrically connected with a variable frequency controller (511) through a lead, the output end of the variable frequency controller (511) is electrically connected with a stepping motor (512) through a lead, the output end of the stepping motor (512) is connected with a shaft lever (513) through a coupling, the left side wall of the main cover (600) is integrally connected with a main cover ring groove (610), the inner wall of the circumference of the main cover (600) is integrally connected with a main cover fan blade (620), the left side wall, and the left side wall of the auxiliary cover (700) is integrally connected with an auxiliary cover shaft hole (710).
2. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the outer wall of the circumference of the joint (100) is provided with threads, and the outer wall of the circumference of the joint (100) is rotatably connected with a joint nut (110).
3. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the right side wall of the dial plate (200) is integrally connected with a dial cover (201), and the width of the dial cover (201) is the same as the height of the arc cover glass (320).
4. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the right side wall of the pointer (350) is connected with a hairspring (351) through an adjusting screw, and the right side wall of the hairspring (351) is fixedly connected with the left side wall of the transmission rod (340).
5. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the front side wall of the shell cover (400) is provided with a shell cover hole (401), the shape of the shell cover hole (401) is rectangular, and a gauze is bonded in the inner cavity of the shell cover hole (401).
6. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the arc sheet (501) is made of an aluminum sheet.
7. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the central points of the shaft lever (513) and the auxiliary cover shaft hole (710) are consistent with the central point of the main cover shaft hole (630).
8. The high-precision shock-proof pressure gauge with the temperature compensation function of claim 1, wherein: the diameter of the auxiliary cover (700) is the same as that of the main cover ring groove (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418355.5A CN110146219B (en) | 2019-05-20 | 2019-05-20 | High-precision shock-proof pressure gauge with temperature compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418355.5A CN110146219B (en) | 2019-05-20 | 2019-05-20 | High-precision shock-proof pressure gauge with temperature compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110146219A CN110146219A (en) | 2019-08-20 |
| CN110146219B true CN110146219B (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418355.5A Active CN110146219B (en) | 2019-05-20 | 2019-05-20 | High-precision shock-proof pressure gauge with temperature compensation |
Country Status (1)
| Country | Link |
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| CN (1) | CN110146219B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02253133A (en) * | 1989-03-28 | 1990-10-11 | Copal Electron Co Ltd | Semiconductor pressure sensor |
| CN2525497Y (en) * | 2002-01-28 | 2002-12-11 | 侯明从 | New device of pressure meter |
| JP2005300456A (en) * | 2004-04-15 | 2005-10-27 | Denso Corp | Temperature sensor integrated pressure sensor apparatus and its mounting method |
| DE102007039297B3 (en) * | 2007-08-20 | 2009-02-05 | Vega Grieshaber Kg | Pressure measuring device |
| CN201697670U (en) * | 2010-06-29 | 2011-01-05 | 重庆市山城燃气设备有限公司 | Diaphragm gas meter driven by cam fork and with built-in mechanical temperature conversion device |
| CN202083498U (en) * | 2011-06-02 | 2011-12-21 | 童纪国 | High-precision pressure gauge with temperature compensation function |
| CN207163604U (en) * | 2017-09-21 | 2018-03-30 | 天津市泰菲特仪器仪表技术有限公司 | A kind of high-precision pressure gauge with temperature-compensating |
| CN207850592U (en) * | 2017-12-19 | 2018-09-11 | 上海立格仪表有限公司 | A kind of multi-temperature step compensation pressure transmitter |
| CN208751784U (en) * | 2018-10-15 | 2019-04-16 | 黄勤俭 | One kind can cool down pressure gauge |
| CN208833431U (en) * | 2018-11-21 | 2019-05-07 | 青岛冠拓仪表配件有限公司 | A kind of pressure gauge with dust-proof and temperature automatically controlled function |
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2019
- 2019-05-20 CN CN201910418355.5A patent/CN110146219B/en active Active
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