CN212030802U - Special differential pressure transmitter of chemical industry - Google Patents
Special differential pressure transmitter of chemical industry Download PDFInfo
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- CN212030802U CN212030802U CN202021050650.4U CN202021050650U CN212030802U CN 212030802 U CN212030802 U CN 212030802U CN 202021050650 U CN202021050650 U CN 202021050650U CN 212030802 U CN212030802 U CN 212030802U
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- differential pressure
- inner cylinder
- pressure transmitter
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Abstract
The utility model discloses a differential pressure transmitter special for chemical engineering, which comprises an inner cylinder and a middle inserted rod; inner cylinder: the side of the upper half part of the inner part is fixed with a middle top electricity receiving block, two limit columns are fixed in the side of the upper half part of the inner part, the two limit columns penetrate through the middle top electricity receiving block, the inner part of the inner barrel is fixed with a support plate, the support plate is provided with two support plates which are symmetrically arranged, the middle top electricity receiving block is located between the two support plates, the left end and the right end of the inner barrel are both fixed with an attachment block, one side of the attachment block, which is close to the inner barrel, is provided with a pressure cavity, and the side of the pressure cavity is provided with an outer through hole. This special differential pressure transmitter of chemical industry replaces the pressure sensing diaphragm through the clamp plate with bearing pressure, changes the power of resistance when the clamp plate removes, and then changes the power of voltage, measures pressure through measuring voltage, has avoided thick fluid to block up the measuring tube way, and reduces the corrosion of chemical products to differential pressure transmitter's internals, improves differential pressure transmitter's life.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field specifically is a special differential pressure transmitter of chemical industry.
Background
In the production of a chemical plant, the effect of a differential pressure transmitter cannot be kept away, the differential pressure transmitter is used for preventing a medium in a pipeline from directly entering the transmitter, and a pressure sensing diaphragm is connected with the transmitter through a capillary filled with fluid and used for measuring the liquid level, the flow and the pressure of liquid, gas or steam and then converting the liquid level, the flow and the pressure into an electric signal for outputting.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a special differential pressure transmitter of chemical industry is provided, through replacing the pressure sensing diaphragm with the clamp plate of bearing pressure, change the power of resistance when the clamp plate removes, and then change the power of voltage, measure pressure through measuring voltage, avoided thick fluid to block up the measurement pipeline, and reduce the corrosion of chemical products to differential pressure transmitter's internals, improve differential pressure transmitter's life, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a differential pressure transmitter special for chemical engineering comprises an inner cylinder and a middle inserted link;
inner cylinder: the upper side surface of the inner part is fixedly provided with a middle top electricity-connecting block, two limiting columns are fixedly arranged in the upper side surface of the inner part, the two limiting columns penetrate through the middle top electricity-connecting block, the inner part of the inner cylinder is fixedly provided with two abutting plates which are symmetrically arranged, the middle top electricity-connecting block is positioned between the two abutting plates, the left end and the right end of the inner cylinder are fixedly provided with attaching blocks, one side of each attaching block, which is close to the inner cylinder, is provided with a pressure cavity, the side surface of the pressure cavity is provided with an outer through hole, the upper side surface of the inner cylinder is fixedly provided with an equipment frame, the bottom side of the inner part of the equipment frame is fixedly provided with a voltmeter, and the upper side of the equipment frame is inserted with;
inserting a rod in the hole: the middle end movably penetrates through the two abutting plates, the left end and the right end of the middle end movably penetrate through the two abutting plates, the two abutting plates are positioned between the two pressing plates, one sides of the two pressing plates, which are close to each other, are respectively fixed with a spring, the other end of the spring is fixed on one side of the two abutting plates, the middle inserted rod is positioned in the spring, the middle end of the middle inserted rod is sleeved with a winding resistor, the winding resistor is positioned between the two abutting plates, one end of the winding resistor is fixed with a follow-up moving electric connection plate, the two limiting columns movably penetrate through the follow-up moving electric connection plate, the lower end of the middle top electric connection block is abutted against the side surface of the winding resistor, the pressing plates are pressed by fluid, the pressing plates drive the middle inserted rod to move left and right, the middle inserted rod drives the winding resistor to move left and right, so that the resistance between the middle top electric connection block and the follow, therefore, the pressure intensity is measured, fluid is prevented from flowing between the two pressing plates, and the service life is prolonged;
wherein: the device is characterized by further comprising a single chip microcomputer, wherein the single chip microcomputer is fixed on the upper side of the equipment frame, the input end of the single chip microcomputer is electrically connected with an external power supply and the output end of the voltmeter, the output end of the single chip microcomputer is electrically connected with the input ends of the movable electric plate, the winding resistor and the display screen, and the output ends of the optional electric plate and the middle top electric block are electrically connected with the input end of the voltmeter.
Furthermore, the lower end of the middle top electric block is arc-shaped, and the arc-shaped contact outer end can reduce friction between the middle top electric block and the winding resistor.
Furthermore, the sealing device further comprises two sealing soft sleeves, one ends of the sealing soft sleeves are respectively fixed in the two air compression cavities, the other ends of the two sealing soft sleeves are fixed on one sides, far away from the two pressing plates, and the sealing soft sleeves are used for preventing fluid from corroding the contact part of the pressing plates and the inner cylinder, so that the sealing performance is improved again.
Furthermore, the device also comprises an outer through pipe fixed on the rear side of the device frame, the input end of the outer through pipe is electrically connected with the output end of the single chip microcomputer, and the outer through pipe can be connected with an external device, so that information can be conveniently transmitted to the external device.
Furthermore, the anti-excess device also comprises two anti-excess plates which are fixed in the inner cylinder, wherein the anti-excess plates are positioned between the pressing plate and the abutting plate, and the pressing plate is prevented from crushing the spring due to overlarge fluid pressure difference through the anti-excess plates.
Compared with the prior art, the beneficial effects of the utility model are that: this special differential pressure transmitter of chemical industry has following benefit:
1. the pressing plates are pressed by fluid, the pressing plates drive the middle insertion rod to move left and right, the middle insertion rod drives the winding resistor to move left and right, so that the resistance between the middle top connection electric block and the connection electric plate along with movement is changed, the numerical value of the voltmeter is changed, the pressure change is converted into the voltage change, the pressure measurement is realized, the fluid is prevented from flowing between the two pressing plates, and the service life is prolonged.
2. The circular arc contact outer end can reduce the friction between the middle top electricity-connecting block and the winding resistor, the contact position of the pressing plate and the inner barrel is prevented from being corroded by fluid through the sealing soft sleeve, the sealing performance is further improved, the external equipment can be connected through the outer through pipe, information is conveniently transmitted to the external equipment, and the spring is prevented from being damaged by the pressing plate due to overlarge fluid pressure difference through the excessive prevention plate.
3. This special differential pressure transmitter of chemical industry replaces the pressure sensing diaphragm through the clamp plate with bearing pressure, changes the power of resistance when the clamp plate removes, and then changes the power of voltage, measures pressure through measuring voltage, has avoided thick fluid to block up the measuring tube way, and reduces the corrosion of chemical products to differential pressure transmitter's internals, improves differential pressure transmitter's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure at a-a of the present invention.
In the figure: the device comprises an outer through hole 1, an air pressure cavity 2, an attachment block 3, an inner cylinder 4, a voltmeter 5, an equipment frame 6, a singlechip 7, an intermediate top power connection block 8, a limit column 9, a power connection plate 10 moving along with the power connection plate, a sealing soft sleeve 11, a pressing plate 12, a spring 13, an intermediate insertion rod 14, a winding resistor 15, a resisting plate 16, a display screen 17, an outer through pipe 18 and an anti-excess plate 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a differential pressure transmitter special for chemical engineering comprises an inner cylinder 4 and a middle inserted link 14;
an inner cylinder 4: the upper side surface of the inner part is fixed with a middle top electricity-connecting block 8, the inner part of the upper side surface of the inner part is internally fixed with two limit columns 9, the two limit columns 9 penetrate through the middle top electricity-connecting block 8, the inner part of the inner cylinder 4 is fixed with two abutting plates 16, the abutting plates 16 are symmetrically arranged, the middle top electricity-connecting block 8 is positioned between the two abutting plates 16, the left end and the right end of the inner cylinder 4 are both fixed with an attaching block 3, one side of the attaching block 3 close to the inner cylinder 4 is provided with a pressure cavity 2, the side surface of the pressure cavity 2 is provided with an outer through hole 1, the upper side surface of the inner cylinder 4 is fixed with an equipment frame 6, the inner bottom side of the equipment frame 6 is fixed with a voltmeter 5, the upper side of the equipment frame 6 is inserted with a display screen 17, the lower end of the middle top electricity-connecting block 8 is arc-shaped, the arc-shaped contact outer end can reduce the friction between the middle top electricity-connecting block 8 and a winding resistor 15, the, the other ends of the two sealing soft sleeves 11 are fixed on one sides, far away from each other, of the two pressing plates 12, the contact position of the pressing plates 12 and the inner cylinder 4 is prevented from being corroded by fluid through the sealing soft sleeves 11, and further the sealing performance is improved again, the sealing device further comprises two outer through pipes 18 which are fixed on the rear side of the equipment frame 6, the input ends of the outer through pipes are electrically connected with the output end of the single chip microcomputer 7, the outer through pipes 18 can be connected into external equipment, information can be conveniently transmitted to the external equipment, the sealing device further comprises two excessive prevention plates 19 which are fixed in the inner cylinder 4, the excessive prevention plates 19 are located between the pressing plates 12 and the abutting plates 16, and the excessive prevention plates 19 prevent the pressing plates 12 from;
middle inserted rod 14: the middle end movably penetrates through two abutting plates 16, the left end and the right end of each abutting plate 16 are respectively fixed with a pressing plate 12, the two abutting plates 16 are positioned between the two pressing plates 12, one side of the two pressing plates 12 close to each other is respectively fixed with a spring 13, the other end of the spring 13 is fixed at one side of the two abutting plates 16 far away from each other, a middle inserted link 14 is positioned in the spring 13, the middle end of the middle inserted link 14 is sleeved with a winding resistor 15, the winding resistor 15 is positioned between the two abutting plates 16, one end of the winding resistor 15 is fixed with a following moving electric plate 10, two limiting columns 9 movably penetrate through the following moving electric plate 10, the lower end of a middle top electric block 8 is abutted against the side surface of the winding resistor 15, the pressing plates 12 are pressed by fluid, the pressing plates 12 drive the middle inserted link 14 to move left and right, the middle inserted link 14 drives the winding resistor 15 to move left and right, so as to change the resistance between the middle top electric block, the pressure change is converted into the voltage change, so that the pressure measurement is realized, the fluid is prevented from flowing between the two pressing plates 12, and the service life is prolonged;
wherein: the device also comprises a singlechip 7 which is fixed on the upper side of the equipment frame 6, the input end of the singlechip is electrically connected with an external power supply and the output end of the voltmeter 5, the output end of the singlechip is electrically connected with the input ends of the follow-up moving electric plate 10, the winding resistor 15 and the display screen 17, and the output ends of the random electric plate 10 and the middle top electric block 8 are electrically connected with the input end of the voltmeter 5.
When in use: the device is installed in a corresponding pipeline, namely two attachment blocks 3 are connected into an external pipeline, when pressure difference is measured, fluid enters an air pressure cavity 2 through an outer through hole 1, the fluid presses a pressing plate 12, the pressing plate 12 drives a middle insertion rod 14 to move left and right, two springs 13 correspondingly contract and stretch, the middle insertion rod 14 drives a winding resistor 15 to move left and right, the winding resistor 15 drives a following mobile electric plate 10 to move left and right, at the moment, the resistance between the following mobile electric plate 10 and a middle top electric block 8 starts to change, the voltage between the following mobile electric plate 10 and the middle top electric block 8 also starts to change, a voltmeter 5 detects the change of the voltage and transmits information to a singlechip 7, and the singlechip 7 transmits the information to a display screen 17 for displaying, so that the detection of the pressure difference is completed; an outside device cable may be inserted into the outer tube 18 to transmit information to the outside.
It should be noted that the voltmeter 5 disclosed in this embodiment may be a ZR2090W3 multifunctional voltmeter manufactured by electrical technology ltd, nyzhou, . The singlechip 7 controls the display screen 17, the outer through pipe 18, the voltmeter 5, the following moving electric plate 10 and the winding resistor 15 to work by adopting a common method in the prior art, and the middle top electric block 8 and the following moving electric plate 10 control the voltmeter 5 to work by adopting a common method in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special differential pressure transmitter of chemical industry which characterized in that: comprises an inner cylinder (4) and a middle inserted link (14);
inner cylinder (4): a middle top electricity-connecting block (8) is fixed on the side face of the upper half part of the inner part, two limiting columns (9) are fixed in the side face of the upper half part of the inner part, the two limiting columns (9) penetrate through the middle top electricity-connecting block (8), a resisting plate (16) is fixed in the inner part of the inner cylinder (4), the resisting plate (16) is provided with two parts which are symmetrically arranged, the middle top electricity-connecting block (8) is positioned between the two resisting plates (16), the left end and the right end of the inner cylinder (4) are both fixed with an attaching block (3), one side, close to the inner cylinder (4), of the attaching block (3) is provided with an air pressure cavity (2), the side face of the air pressure cavity (2) is provided with an outer through hole (1), the side face of the upper half part of the inner cylinder (4) is fixed with an equipment frame (6), the bottom side of the inner part of the equipment frame (6) is fixed with a voltmeter (5;
middle inserted bar (14): the middle end movably penetrates through two abutting plates (16), the left end and the right end of each abutting plate (16) are fixedly provided with a pressing plate (12), the two abutting plates (16) are located between the two pressing plates (12), one sides of the two pressing plates (12) close to each other are fixedly provided with springs (13), the other ends of the springs (13) are fixed on one sides of the two abutting plates (16) far away from each other, a middle insert rod (14) is located in the springs (13), the middle end of the middle insert rod (14) is sleeved with a winding resistor (15), the winding resistor (15) is located between the two abutting plates (16), one end of the winding resistor (15) is fixedly provided with a follow-moving power-on plate (10), two limiting columns (9) movably penetrate through the follow-moving power-on plate (10), and the lower end of a middle top power-on block (8) abuts against the side face of the winding resistor;
wherein: the intelligent control device is characterized by further comprising a single chip microcomputer (7) which is fixed on the upper side of the equipment frame (6), the input end of the single chip microcomputer is electrically connected with an external power supply and the output end of the voltmeter (5), the output end of the single chip microcomputer is electrically connected with the input ends of the mobile power board (10), the winding resistor (15) and the display screen (17), and the output ends of the mobile power board (10) and the middle top power block (8) are electrically connected with the input end of the voltmeter (5).
2. The differential pressure transmitter special for chemical engineering according to claim 1, wherein: the lower end of the middle top electricity-connecting block (8) is arc-shaped.
3. The differential pressure transmitter special for chemical engineering according to claim 1, wherein: the device is characterized by further comprising two sealing soft sleeves (11), wherein one ends of the two sealing soft sleeves (11) are respectively fixed in the two air pressure cavities (2), and the other ends of the two sealing soft sleeves (11) are fixed on one sides, far away from the two pressure plates (12).
4. The differential pressure transmitter special for chemical engineering according to claim 1, wherein: the device also comprises an outer through pipe (18) which is fixed at the rear side of the equipment frame (6), and the input end of the outer through pipe is electrically connected with the output end of the singlechip (7).
5. The differential pressure transmitter special for chemical engineering according to claim 1, wherein: the anti-excessive-pressure-type oil cylinder is characterized by further comprising two anti-excessive plates (19) which are fixed in the inner cylinder (4), wherein the anti-excessive plates (19) are located between the pressing plate (12) and the abutting plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050650.4U CN212030802U (en) | 2020-06-10 | 2020-06-10 | Special differential pressure transmitter of chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050650.4U CN212030802U (en) | 2020-06-10 | 2020-06-10 | Special differential pressure transmitter of chemical industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030802U true CN212030802U (en) | 2020-11-27 |
Family
ID=73476999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021050650.4U Expired - Fee Related CN212030802U (en) | 2020-06-10 | 2020-06-10 | Special differential pressure transmitter of chemical industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030802U (en) |
-
2020
- 2020-06-10 CN CN202021050650.4U patent/CN212030802U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 Termination date: 20210610 |