CN112577617A - Integrated intelligent temperature transmitter - Google Patents
Integrated intelligent temperature transmitter Download PDFInfo
- Publication number
- CN112577617A CN112577617A CN202011244232.3A CN202011244232A CN112577617A CN 112577617 A CN112577617 A CN 112577617A CN 202011244232 A CN202011244232 A CN 202011244232A CN 112577617 A CN112577617 A CN 112577617A
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- hole
- cylinder
- temperature transmitter
- tray
- intelligent temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
Abstract
The invention relates to the technical field of transmitters, in particular to an integrated intelligent temperature transmitter which comprises a transmitter body, wherein a hollow pipe is fixedly connected to the lower part of the outer surface of the transmitter body, a limiting disc is sleeved on the hollow pipe, a straight thread cylinder is fixedly connected to the middle part of the upper surface of the limiting disc, three round platforms are fixed to the upper surface of the limiting disc in an annular equidistant mode, one surface, facing the limiting disc, of each round platform is provided with a limiting hole coinciding with a through hole, a cylinder is installed in each limiting hole, a pressing rod is inserted into each cylinder, a tray fixedly connected with the pressing rod is sleeved on each pressing rod, a compression spring is sleeved on each cylinder, and the lower end of each pressing rod extends to the outer side of the through hole and is fixedly connected with a bullsequin, compared with the: the depth of the hollow pipe in the screw hole in the carrier is adjusted as required, and the orientation of the transmitter body is facilitated to meet requirements.
Description
Technical Field
The invention discloses an integrated intelligent temperature transmitter, and belongs to the technical field of transmitters.
Background
The transmitter is an important detection device in the industrial production process, is widely applied to detection of process parameters such as pressure, differential pressure, flow, liquid and the like in industry, and is a basic data source for industrial automatic control. At present, intelligence temperature transmitter often utilizes threaded connection's mode to install, but the degree of depth that threaded connection structure stretches into in the screw on the intelligence temperature transmitter can not adjust as required, and after the installation finishes, the crooked improper condition appears easily in intelligence temperature transmitter's orientation, influences looking over of later stage data.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated intelligent temperature transmitter to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: an integrated intelligent temperature transmitter comprises a transmitter body, wherein a hollow tube is fixedly connected to the lower part of the outer surface of the transmitter body, a first external thread is processed on the outer surface of the lower end of the hollow tube, a limiting disc is sleeved on the hollow tube, a straight thread cylinder is fixedly connected to the middle part of the upper surface of the limiting disc, the straight thread cylinder is in threaded connection with the hollow tube, two bayonets for clamping a wrench are symmetrically arranged on the outer surface of the straight thread cylinder, three round platforms are fixed on the upper surface of the limiting disc in an annular equidistant manner, through holes are formed at the intersection parts of the limiting disc and the round platforms, a limiting hole which is coincident with the through holes is formed in one surface of the round platforms, a cylinder is installed in the limiting hole, a pressure rod is inserted in the cylinder, a tray fixedly connected with the pressure rod is sleeved on, the compression spring lower extreme extends to the tray upside and contacts with the tray, the depression bar lower extreme extends to the through-hole outside and fixedly connected with bullseye.
Specifically, tray upper surface edge is fixed with first lock ring, first lock ring laminates with the through-hole inner wall mutually, tray lower surface edge is fixed with the second lock ring, the second lock ring laminates with the through-hole inner wall mutually, first lock ring, second lock ring and tray be integrated into one piece structure.
Specifically, two limiting heads are symmetrically installed on the outer surface of the upper end of the pressing rod, two limiting grooves are symmetrically formed in the outer surface of the cylinder and are arranged along the length direction of the cylinder, and the limiting heads extend into the limiting grooves.
Specifically, a first threaded hole is formed in the position of the compression bar mounting limiting head, a second external thread is machined on the outer surface of one end of the limiting head, which is used for machining the second external thread, is in threaded connection with the first threaded hole, and a hexagon socket is machined in the middle of the position, far away from the second external thread, of the limiting head.
Specifically, tray lower surface middle part position is fixed with the sleeve, the second screw hole has been seted up to the sleeve surface, second screw hole female connection has a stop bolt, depression bar lower extreme surface is from last to having seted up a plurality of and second screw hole matched with pinhole extremely down the equidistance, stop bolt one end extends to in the pinhole.
Specifically, the outer surface cover in hollow tube upper end is equipped with the hexahedron, hexahedron and hollow tube are integrated into one piece structure.
Specifically, a third external thread is processed on the outer surface of the upper end of the cylinder, a third threaded hole is formed in the upper position in the limiting hole, and one end of the cylinder, which is used for processing the third external thread, is connected in the third threaded hole in a threaded manner.
Specifically, depression bar lower extreme fixedly connected with has the connection pad of round hole, the connection pad is the integrated into one piece structure with the depression bar, the bullseye passes through connecting bolt and connection pad fixed connection.
Specifically, the terminal box is installed to changer body surface upper portion position, terminal box surface mounting has two threading pipes that are used for interlude cable.
The invention has the beneficial effects that:
1. according to the integrated intelligent temperature transmitter, tools such as a wrench are clamped at the clamping openings on the straight thread cylinder, the straight thread cylinder can be screwed by the tools such as the wrench, the position of the limiting disc on the hollow pipe can be adjusted according to needs, the depth of the hollow pipe in the screw hole on the carrier can be adjusted according to needs, the orientation of the transmitter body can meet the needs, the convenience of installation of the transmitter body is improved, and the orientation of the transmitter body is prevented from being inclined.
2. According to the integrated intelligent temperature transmitter, after the hollow pipe is installed on the carrier, the press rod is pressed into the through hole by the carrier, part of the press rod retracts into the cylinder, meanwhile, the press rod drives the tray to extrude the compression spring, so that the compression spring generates elastic deformation, further, under the action of the resilience force of the compression spring, the press rod is tightly attached to the carrier, the limiting disc is prevented from rotating relative to the carrier, and the installation stability of the limiting disc is improved.
3. According to the integrated intelligent temperature transmitter, the eyeball is arranged at the lower end of the pressure rod, the limiting disc rotates along with the rotation of the hollow pipe in the installation process of the hollow pipe, when the eyeball is in contact with an installation carrier of the hollow pipe, the ball in the eyeball rolls on the surface of the carrier along with the continuous rotation of the limiting disc, the rolling contact between the limiting disc and the surface of the carrier is realized, the scratch of the pressure rod and the surface of the carrier is reduced, and the protection effect is achieved.
4. According to the integrated intelligent temperature transmitter, the position of the sleeve on the pressure rod is adjusted, so that the degree of compression of the compression spring meets the requirement, and then the limiting bolt in the second threaded hole extends into the corresponding pin hole in the pressure rod, so that the position of the tray is conveniently adjusted, and the resilience force of the compression spring in the initial state is conveniently adjusted.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an integrated intelligent temperature transmitter of the present invention;
FIG. 2 is an assembly schematic diagram of a circular table, a cylinder, a pressure lever, a compression spring and a limiting disc in the integrated intelligent temperature transmitter of the present invention;
FIG. 3 is a schematic view of the assembly of the pressure lever and the cylinder in the integrated intelligent temperature transmitter of the present invention;
FIG. 4 is a perspective view of a pressure bar in the integrated intelligent temperature transmitter of the present invention;
FIG. 5 is a schematic view of the assembly of the sleeve and the tray of the integrated intelligent temperature transmitter of the present invention;
in the figure: 1. the transmitter comprises a transmitter body, 2, a junction box, 3, a threading pipe, 4, a hexahedron, 5, a circular truncated cone, 6, a straight thread cylinder, 7, a bayonet, 8, a hollow pipe, 9, a limiting disc, 10, a limiting hole, 11, a cylinder, 12, a compression spring, 13, a through hole, 14, a first supporting ring, 15, a tray, 16, a second supporting ring, 17, a sleeve, 18, a eyeball, 19, a limiting bolt, 20, a pressure rod, 21, a limiting groove, 22, a limiting head, 23, a connecting disc, 24, a first threaded hole, 25, a pin hole, 26 and a second threaded hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an integral type intelligence temperature transmitter, includes changer body 1, 1 surface lower part fixedly connected with hollow tube 8 of changer body, and 8 lower extreme surface processing of hollow tube have first external screw thread, process first external screw thread on hollow tube 8, are convenient for install the screw on the carrier with hollow tube 8 in.
The cover is equipped with spacing dish 9 on the hollow tube 8, spacing dish 9 upper surface middle part fixedly connected with straight thread section of thick bamboo 6, a straight thread section of thick bamboo 6 and 8 threaded connection of hollow tube, two bayonet sockets 7 that are used for the joint spanner are seted up to a straight thread section of thick bamboo 6 surface symmetry, bayonet socket 7 department at a straight thread section of thick bamboo 6 with instrument cards such as spanner, alright utilize instruments such as spanner to twist and move a straight thread section of thick bamboo 6, even if in the position of spacing dish 9 on hollow tube 8 of adjustment as required, realize adjusting the degree of depth that hollow tube 8 was installed on the carrier as required, be favorable to changer body 1's orientation to satisfy needs, improve the convenience of changer body 1 installation, it is crooked to prevent that the orientation of.
The upper surface of the limiting disc 9 is fixed with three round tables 5 in an annular equidistant mode, the round tables 5 are designed to realize local thickening of the installation position of the cylinder 11, the thickness of the limiting disc 9 does not need to be thickened integrally, and the production cost is reduced.
The intersection of the limiting disc 9 and the circular truncated cone 5 is provided with a through hole 13, one surface of the circular truncated cone 5 facing the limiting disc 9 is provided with a limiting hole 10 coinciding with the through hole 13, a cylinder 11 is installed in the limiting hole 10, and the through hole 13 and the limiting hole 10 jointly provide installation space for the cylinder 11, a pressure rod 20, a compression spring 12 and the like.
The lower end of the pressure rod 20 extends to the outer side of the through hole 13 and is fixedly connected with the eyeball 18, the eyeball 18 is installed at the lower end of the pressure rod 20, further, in the installation process of the hollow pipe 8, the limiting disc 9 rotates along with the rotation of the hollow pipe 8, when the eyeball 18 contacts with an installation carrier of the hollow pipe 8, the ball in the eyeball 18 rolls on the surface of the carrier along with the continuous rotation of the limiting disc 9, the rolling contact between the limiting disc 9 and the surface of the carrier is realized, the scratch of the pressure rod 20 and the surface of the carrier is reduced, and the protection effect is achieved.
As an embodiment of the present invention: tray 15 upper surface edge is fixed with first support ring 14, first support ring 14 laminates with through-hole 13 inner wall mutually, tray 15 lower surface edge is fixed with second support ring 16, second support ring 16 laminates with through-hole 13 inner wall mutually, first support ring 14, second support ring 16 and tray 15 are integrated into one piece structure, first support ring 14 and second support ring 16 play the effect of supporting tray 15 jointly, realize the effect of location direction, and first support ring 14, second support ring 16 supports depression bar 20 with drum 11 jointly, prevent that depression bar 20 from warping because of the atress is uneven, reduce the requirement to depression bar 20 material strength.
As an embodiment of the present invention: two limiting heads 22 are symmetrically installed on the outer surface of the upper end of the pressing rod 20, two limiting grooves 21 are symmetrically formed in the outer surface of the cylinder 11 and are arranged along the length direction of the cylinder 11, the limiting heads 22 extend into the limiting grooves 21, the two limiting heads 22 on the pressing rod 20 respectively extend into the two limiting grooves 21 on the cylinder 11, and under the condition that the movement of the pressing rod 20 is not influenced, the upper end of the pressing rod 20 is limited in the cylinder 11.
As an embodiment of the present invention: first screw hole 24 has been seted up to depression bar 20 installation spacing head 22's position department, spacing head 22 one end surface processing has the second external screw thread, spacing head 22 processing second external screw thread's one end and 24 threaded connection of first screw hole, spacing head 22 keeps away from the one side middle part position processing of second external screw thread has hexagon socket head, in first screw hole 24 is twisted to the one end with spacing head 22 processing second external screw thread, realize spacing head 22 and depression bar 20's combination formula assembly, hexagon socket head hole is seted up on spacing head 22, be convenient for utilize hexagon socket head wrench to twist spacing head 22.
As an embodiment of the present invention: tray 15 lower surface middle part position fixation has sleeve 17, second screw hole 26 has been seted up to sleeve 17 surface, 26 threaded connection of second screw hole has stop bolt 19, depression bar 20 lower extreme surface has been seted up a plurality of and second screw hole 26 matched with pinhole 25 from last equidistance down, stop bolt 19 one end extends to in the pinhole 25, the position of adjustment sleeve 17 on depression bar 20, the degree that makes compression spring 12 compressed satisfies the needs, later with stop bolt 19 in the second screw hole 26 extend to in the corresponding pinhole 25 on the depression bar 20, realize the convenient regulation in tray 15 position, even though the size of the resilience force of swift adjustment compression spring 12 under initial condition.
As an embodiment of the present invention: the surface cover in 8 upper ends of hollow tube is equipped with hexahedron 4, and hexahedron 4 is the integrated into one piece structure with hollow tube 8, fixes hexahedron 4 on hollow tube 8, provides the joint position for tools such as the spanner of twisting hollow tube 8.
As an embodiment of the present invention: the outer surface of the upper end of the cylinder 11 is provided with a third external thread, a third threaded hole is formed in the upper position in the limiting hole 10, one end of the cylinder 11, which is used for processing the third external thread, is connected into the third threaded hole in a threaded manner, one end of the cylinder 11, which is used for processing the third external thread, is screwed into the third threaded hole, and the cylinder 11 and the circular truncated cone 5 are convenient to disassemble and assemble.
As an embodiment of the present invention: the lower end of the pressure lever 20 is fixedly connected with a connecting disc 23 with a round hole, the connecting disc 23 and the pressure lever 20 are of an integrally formed structure, the eyeball 18 is fixedly connected with the connecting disc 23 through a connecting bolt, the eyeball 18 is installed on the connecting disc 23 through the connecting bolt, the fixed connection of the eyeball 18 and the pressure lever 20 is completed, and the detachment and installation of the eyeball 18 and the pressure lever 20 are facilitated.
As an embodiment of the present invention: terminal box 2 is installed to 1 surface upper portion position of changer body, and 2 surface mounting of terminal box have two be used for interlude cable through wires pipe 3, install terminal box 2 of taking through wires pipe 3 on changer body 1, the wiring of changer body 1 of being convenient for.
The specific implementation mode is as follows: with bayonet 7 departments of instrument cards such as spanner on a straight thread section of thick bamboo 6, alright utilize instruments such as spanner to twist and move a straight thread section of thick bamboo 6, even if in order to adjust the position of spacing dish 9 on hollow tube 8 as required, realize adjusting the degree of depth that hollow tube 8 was installed in the screw hole on the carrier as required, be favorable to the orientation of changer body 1 to satisfy needs, improve the convenience of changer body 1 installation, prevent that the orientation of changer body 1 from appearing crooked.
After the hollow pipe 8 is installed on the carrier, the compression rod 20 is pressed into the through hole 13 by the carrier, and a part of the compression rod 20 retracts into the cylinder 11, meanwhile, the compression rod 20 drives the tray 15 to extrude the compression spring 12, so that the compression spring 12 generates elastic deformation, and further, under the action of resilience force of the compression spring 12, the compression rod 20 is tightly attached to the carrier, the limiting disc 9 is prevented from rotating relative to the carrier, and the installation stability of the limiting disc 9 is improved.
The bull's eye 18 is installed at the lower end of the compression bar 20, and then in the installation process of the hollow pipe 8, the limiting disc 9 rotates along with the rotation of the hollow pipe 8, when the bull's eye 18 contacts with the installation carrier of the hollow pipe 8, along with the continuous rotation of the limiting disc 9, the balls in the bull's eye 18 roll on the surface of the carrier, the rolling contact between the limiting disc 9 and the surface of the carrier is realized, the scratch of the compression bar 20 and the surface of the carrier is reduced, and the protection effect is achieved.
The position of the sleeve 17 on the compression rod 20 is adjusted to enable the degree of compression of the compression spring 12 to meet requirements, and then the limiting bolts 19 in the second threaded holes 26 extend into the corresponding pin holes 25 in the compression rod 20, so that the position of the tray 15 can be conveniently adjusted, namely the resilience of the compression spring 12 in the initial state can be quickly adjusted.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides an integral type intelligence temperature transmitter, includes changer body (1), its characterized in that: the position fixedly connected with hollow tube (8) of surface lower part of changer body (1), hollow tube (8) lower extreme surface processing has first external screw thread, the cover is equipped with spacing dish (9) on hollow tube (8), spacing dish (9) upper surface middle part position fixedly connected with straight thread section of thick bamboo (6), straight thread section of thick bamboo (6) and hollow tube (8) threaded connection, two bayonet sockets (7) that are used for the joint spanner are seted up to straight thread section of thick bamboo (6) surface symmetry, spacing dish (9) upper surface is annular equidistance and is fixed with three round platform (5), through-hole (13) have been seted up to spacing dish (9) crossing department with round platform (5), spacing hole (10) with through-hole (13) coincidence are seted up to the one side of spacing dish (9) in round platform (5), install drum (11) in spacing hole (10), a compression bar (20) is inserted into the cylinder (11), a tray (15) fixedly connected with the compression bar (20) is sleeved on the compression bar (20), a compression spring (12) is sleeved on the cylinder (11), the lower end of the compression spring (12) extends to the upper side of the tray (15) and is in contact with the tray (15), and the lower end of the compression bar (20) extends to the outer side of the through hole (13) and is fixedly connected with a bullseye bead (18).
2. The integrated intelligent temperature transmitter of claim 1, wherein: tray (15) upper surface edge is fixed with first lock ring (14), first lock ring (14) and through-hole (13) inner wall laminate mutually, tray (15) lower surface edge is fixed with second lock ring (16), second lock ring (16) and through-hole (13) inner wall laminate mutually, first lock ring (14), second lock ring (16) and tray (15) are the integrated into one piece structure.
3. The integrated intelligent temperature transmitter of claim 1, wherein: two limiting heads (22) are symmetrically installed on the outer surface of the upper end of the pressing rod (20), two limiting grooves (21) which are arranged along the length direction of the cylinder (11) are symmetrically formed in the outer surface of the cylinder (11), and the limiting heads (22) extend into the limiting grooves (21).
4. The integrated intelligent temperature transmitter of claim 3, wherein: the position department of depression bar (20) installation spacing head (22) has seted up first screw hole (24), spacing head (22) one end surface processing has the second external screw thread, the one end and the first screw hole (24) threaded connection of spacing head (22) processing second external screw thread, the one side middle part position processing that spacing head (22) kept away from the second external screw thread has interior hexagonal hole.
5. The integrated intelligent temperature transmitter of claim 1, wherein: tray (15) lower surface middle part position fixation has sleeve (17), second screw hole (26) have been seted up to sleeve (17) surface, second screw hole (26) female connection has stop bolt (19), depression bar (20) lower extreme surface is from last to having seted up a plurality of and second screw hole (26) matched with pinhole (25) to equidistance down, stop bolt (19) one end extends to in pinhole (25).
6. The integrated intelligent temperature transmitter of claim 1, wherein: the outer surface cover in hollow tube (8) upper end is equipped with hexahedron (4), hexahedron (4) and hollow tube (8) are the integrated into one piece structure.
7. The integrated intelligent temperature transmitter of claim 1, wherein: and a third external thread is processed on the outer surface of the upper end of the cylinder (11), a third threaded hole is formed in the upper part of the limiting hole (10), and one end of the cylinder (11) for processing the third external thread is connected into the third threaded hole in a threaded manner.
8. The integrated intelligent temperature transmitter of claim 1, wherein: depression bar (20) lower extreme fixedly connected with has connection pad (23) of round hole, connection pad (23) and depression bar (20) are the integrated into one piece structure, eyeball (18) pass through connecting bolt and connection pad (23) fixed connection.
9. The integrated intelligent temperature transmitter of claim 1, wherein: terminal box (2) are installed to changer body (1) surface upper portion position, terminal box (2) surface mounting has two through wires pipes (3) that are used for interlude the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244232.3A CN112577617B (en) | 2020-11-10 | 2020-11-10 | Integrated intelligent temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244232.3A CN112577617B (en) | 2020-11-10 | 2020-11-10 | Integrated intelligent temperature transmitter |
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| Publication Number | Publication Date |
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| CN112577617A true CN112577617A (en) | 2021-03-30 |
| CN112577617B CN112577617B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011244232.3A Active CN112577617B (en) | 2020-11-10 | 2020-11-10 | Integrated intelligent temperature transmitter |
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| US20150219141A1 (en) * | 2014-02-05 | 2015-08-06 | Douglas A. English | Mounting Fixture And Method For Using Same |
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| CN209894285U (en) * | 2019-05-31 | 2020-01-03 | 山东力创自动化仪表有限公司 | Detachable single-flange liquid level transmitter |
| CN210123444U (en) * | 2019-06-05 | 2020-03-03 | 广州熙正自动化科技有限公司 | High-temperature and common wind speed and wind volume multifunctional meter transmitter |
| CN210774406U (en) * | 2019-12-02 | 2020-06-16 | 安徽威格仪表有限公司 | Special high-temperature high-pressure temperature transmitter for hydrogen measurement industry |
| CN210953015U (en) * | 2019-12-04 | 2020-07-07 | 山东环仪仪表制造有限公司 | Outer waterproof input type liquid level changer |
| CN210953014U (en) * | 2019-12-04 | 2020-07-07 | 山东环仪仪表制造有限公司 | Split input type liquid level transmitter |
| CN211085548U (en) * | 2019-12-24 | 2020-07-24 | 杨开宏 | Digital display type differential pressure transmitter |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150219141A1 (en) * | 2014-02-05 | 2015-08-06 | Douglas A. English | Mounting Fixture And Method For Using Same |
| CN208735158U (en) * | 2018-09-25 | 2019-04-12 | 董少康 | A kind of mounting device of integrative temperature transmitter automatic instrument |
| CN109247009A (en) * | 2018-11-18 | 2019-01-18 | 湖南新融创科技有限公司 | A kind of mobile phone patch attachment homalocephalus nozzle unit |
| CN209894285U (en) * | 2019-05-31 | 2020-01-03 | 山东力创自动化仪表有限公司 | Detachable single-flange liquid level transmitter |
| CN210123444U (en) * | 2019-06-05 | 2020-03-03 | 广州熙正自动化科技有限公司 | High-temperature and common wind speed and wind volume multifunctional meter transmitter |
| CN210774406U (en) * | 2019-12-02 | 2020-06-16 | 安徽威格仪表有限公司 | Special high-temperature high-pressure temperature transmitter for hydrogen measurement industry |
| CN210953015U (en) * | 2019-12-04 | 2020-07-07 | 山东环仪仪表制造有限公司 | Outer waterproof input type liquid level changer |
| CN210953014U (en) * | 2019-12-04 | 2020-07-07 | 山东环仪仪表制造有限公司 | Split input type liquid level transmitter |
| CN211085548U (en) * | 2019-12-24 | 2020-07-24 | 杨开宏 | Digital display type differential pressure transmitter |
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|---|---|
| CN112577617B (en) | 2022-12-20 |
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