CN112304488A - Pressure transmitter's support frame and pressure transmitter - Google Patents
Pressure transmitter's support frame and pressure transmitter Download PDFInfo
- Publication number
- CN112304488A CN112304488A CN202011249732.6A CN202011249732A CN112304488A CN 112304488 A CN112304488 A CN 112304488A CN 202011249732 A CN202011249732 A CN 202011249732A CN 112304488 A CN112304488 A CN 112304488A
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- China
- Prior art keywords
- pressure transmitter
- installation cavity
- support body
- frame
- support frame
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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
- G01L19/0061—Electrical connection means
- G01L19/0069—Electrical connection means from the sensor to its support
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of pressure transmitters, in particular to a support frame of a pressure transmitter and the pressure transmitter with the support frame; the utility model provides a support frame of pressure transmitter, its core seat including the pressure transmitter who has the installation cavity which characterized in that: the device also comprises a frame body which is stably arranged at the tail end of the core body seat mounting cavity, and a positioning unit for a wiring terminal is arranged on the surface of the frame body; according to the invention, the frame body is arranged in the mounting cavity of the core body seat, and the positioning unit on the frame body is used for positioning the wiring terminal, so that the position of the wiring terminal relative to the core body seat is stable, the problems of inclination and offset of the wiring terminal in the prior art are avoided, and various problems possibly caused by inclination of the wiring terminal are further avoided.
Description
Technical Field
The invention relates to the field of pressure transmitters, in particular to a support frame of a pressure transmitter and the pressure transmitter with the support frame.
Background
The pressure transmitter is a device for converting pressure into pneumatic signals or electric signals for control and remote transmission, is one of the most common sensors applied in industrial fields, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.
The high integration and modularization of products are the trend of modern industrial production and life, are convenient for follow-up replacement and maintenance, and save time and space.
The pressure transmitter is composed of a pressure sensor, a chip and the like. The pressure sensor, the circuit board and the wiring terminal are made into a whole, all electrical elements are accommodated in the core body seat, the electrical elements in the fixed cavity are fixed through glue filling and curing, and the wiring terminal socket is reserved, so that a complete module is formed. When the component is damaged, the module is directly replaced.
The output circuit board has various jack positions, and the wiring terminals are directly inserted into the rear position of the circuit board, so that the output circuit board is not uniform. In the finished product output, the position of the wiring terminal is not attractive on one hand, and on the other hand, the position is deviated to the edge of the circuit board sometimes, so that the wiring terminal and the core body seat interfere with each other, and great difficulty is brought to production and manufacturing.
Therefore, an urgent need exists for a solution that can solve the problem of interference between the wiring terminal and the core body seat caused by the multiple positions of the jacks of the output circuit, and simultaneously, unify the positions to solve the problem of beauty.
Disclosure of Invention
Aiming at the problems in the prior art, the invention designs a support frame of a pressure transmitter and the pressure transmitter.
The technical scheme of the invention is as follows:
the utility model provides a support frame of pressure transmitter, its core seat including the pressure transmitter who has the installation cavity which characterized in that: the structure is characterized by further comprising a frame body which is stably arranged at the tail end of the core body seat installation cavity, and a positioning unit for the wiring terminal is arranged on the surface of the frame body.
Further, the support body include the support body, a side surface of support body extends and is formed with the supporting part, the end of supporting part offsets with the bottom surface of installation cavity for the support body can stabilize the setting at the core seat installation cavity end.
Furthermore, the supporting part is provided with at least one notch.
Further, the inner wall of installation cavity be equipped with the constant head tank along the axis, the support body includes the support body, be equipped with on the outer wall of support body with constant head tank complex location protruding.
Further, the inner wall of the installation cavity is provided with a first conical surface which is contracted from the tail end of the installation cavity to the bottom surface, the frame body comprises a frame body, and the outer side surface of the frame body is provided with a second conical surface matched with the first conical surface.
Furthermore, the positioning unit comprises positioning blocks symmetrically arranged on the frame body, positioning grooves for accommodating and positioning the end parts of the wiring terminals are formed in the positioning blocks, and hollow areas for the wiring terminals to penetrate through are formed between the two positioning blocks.
Furthermore, the right-angle corner of the positioning groove is provided with a through hole which is communicated with the positioning groove and penetrates through the positioning block.
Furthermore, a step surface is arranged in the through hole.
Furthermore, a reinforcing plate is arranged between the frame body and the side edge of the positioning block, and the upper surface of the reinforcing plate is lower than the upper end surface of the frame body.
The utility model provides a pressure transmitter, its core seat including the pressure transmitter who has the installation cavity, the one end of core seat is equipped with pressure sensor, is equipped with compensating circuit board, signal processing circuit board, its characterized in that in the installation cavity: still including the firm support body that sets up at core seat installation cavity end, the surface of support body is equipped with the positioning unit to binding post, and binding post is connected with signal processing circuit board.
In conclusion, the invention has the following beneficial effects:
1. according to the invention, the frame body is arranged in the mounting cavity of the core body seat, and the positioning unit on the frame body is used for positioning the wiring terminal, so that the position of the wiring terminal relative to the core body seat is stable, the problems of inclination and offset of the wiring terminal in the prior art are avoided, and various problems possibly caused by inclination of the wiring terminal are further avoided.
2. The invention positions the wiring terminal through the arranged frame body, and the wiring terminal is effectively limited in the subsequent glue filling process, thereby greatly improving the convenience of operation of workers.
3. The frame body is used for positioning and keeping the wiring terminal, so that the wiring terminal and the signal processing circuit board can be connected through the flexible wire, flexible arrangement is facilitated, in the subsequent use process, the force applied to the wiring terminal in the plugging and unplugging process can be borne by the support frame and the pouring sealant, the force cannot be transmitted to the signal processing circuit board, and the service life of components is prolonged.
Drawings
FIG. 1 is a schematic partial sectional view of embodiment 1;
fig. 2 is a perspective view of the frame body according to embodiment 1;
FIG. 3 is a schematic sectional view of example 1;
fig. 4 is a schematic view of the connection between the frame body and the core seat in embodiment 2;
fig. 5 is a schematic view of the connection between the frame body and the core seat in embodiment 3;
FIG. 6 is a schematic partial cross-sectional view of the pressure transmitter;
in the figure, 1 is a core body seat, 10 is an installation cavity, 101 is a positioning groove, 102 is a first conical surface,
2, 20, 21, 210, 201, 202, 22 and 20 are frame bodies, support parts, notches, positioning bulges, second conical surfaces and reinforcing plates;
3, a positioning unit, 30, 301, a positioning groove, 302, a through hole, 303, a step surface and 304, a hollow area;
4 is a pressure sensor, 5 is a compensation circuit board, 6 is a signal processing circuit board, and 7 is a connecting terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Example 1
Referring to fig. 1, a support frame for a pressure transmitter includes a core body base 1 of the pressure transmitter having a mounting cavity 10, and is characterized in that: still including firm the setting at the terminal support body 2 of core seat installation cavity, the surface of support body 2 is equipped with the positioning unit 3 to the binding post.
Aiming at the problems in the prior art, the frame body is arranged at the tail end of the mounting cavity of the core body seat, and the frame body supports and positions the wiring terminal through the positioning unit arranged on the surface of the frame body, so that the wiring terminal gets rid of the limitation of the position of a wire inserting hole of a signal processing circuit board, can be connected with the signal processing circuit board through a flexible wire, and is convenient to flexibly arrange.
Further, as shown in fig. 2 and 3, the support body 2 includes a support body 20, a side surface of the support body 20 extends to form a support portion 21, the end of the support portion 21 abuts against the bottom surface of the installation cavity 10, so that the support body can be stably arranged at the end of the core body installation cavity, the structure of the support body is limited, the support body is a component matched with the shape of the inner cavity of the core body, the support body is attached to the inner wall of the core body installation cavity and can change along with the change of the shape of the core body installation cavity, in the embodiment, the support body is supported by the support portion contacting with the bottom surface of the installation cavity, so that the stable position of the support body in the installation cavity is maintained, and the support portion is arranged along the wall surface of the installation cavity.
Furthermore, the supporting portion 21 is at least provided with a notch 210, the notch is equivalent to a flow channel, and in the subsequent glue pouring process, the whole installation cavity can be filled with the pouring glue through the notch.
Example 2
Referring to fig. 1, a support frame for a pressure transmitter includes a core body base 1 of the pressure transmitter having a mounting cavity 10, and is characterized in that: still including firm the setting at the terminal support body 2 of core seat installation cavity, the surface of support body 2 is equipped with the positioning unit 3 to the binding post.
Further, see fig. 4 and show, the inner wall of installation cavity 10 be equipped with constant head tank 101 along the axis, support body 2 includes support body 20, be equipped with on the outer wall of support body 20 with constant head tank complex location protruding 201, realize the firm of support body and installation cavity's position through the protruding cooperation with the constant head tank in location in this embodiment, still have the spacing function of circumference through protruding and the constant head tank in location, prevent that the support body from probably appearing the pivoted problem in the installation cavity, better assurance then the spacing binding post's of installing on the support body uniformity.
Example 3
Referring to fig. 1, a support frame for a pressure transmitter includes a core body base 1 of the pressure transmitter having a mounting cavity 10, and is characterized in that: still including firm the setting at the terminal support body 2 of core seat installation cavity, the surface of support body 2 is equipped with the positioning unit 3 to the binding post.
Further, referring to fig. 5, a first tapered surface 102 that shrinks from the end of the installation cavity to the bottom surface is disposed on the inner wall of the installation cavity 10, the frame body 2 includes a frame body 20, a second tapered surface 202 that is matched with the first tapered surface is disposed on the outer side surface of the frame body 20, and in this embodiment, the frame body and the core seat are stably disposed through the matching of the two tapered surfaces.
Referring to fig. 2, the positioning unit 3 includes the positioning blocks 30 symmetrically arranged on the frame body, the positioning blocks are provided with positioning grooves 301 for accommodating and positioning the end portions of the wiring terminals, hollow areas 304 for the wiring terminal pins to pass through are formed between the two positioning blocks, the four corners of the wiring terminals are respectively embedded into the positioning grooves of the positioning holes, an interference fit mode is adopted between the preferable wiring terminals and the positioning grooves, the positioning grooves realize the fixation and positioning of the wiring terminals, and then the reliability and stability of the connection between the subsequent wiring terminals and the core body base are ensured, in the subsequent glue pouring process, the hollow areas can be filled with the pouring glue and connected with the wiring terminals, and a stable and reliable connection relationship is formed.
Further say, the right angle corner of constant head tank 301 be equipped with the constant head tank intercommunication and run through the through-hole 302 of locating piece, the through-hole of setting makes the lateral wall of adjacent constant head tank have certain deformable space, makes things convenient for the binding post embedding to install in the constant head tank, the through-hole that sets up in addition also can regard as the cavity of follow-up encapsulating, further increase the bonding area between encapsulating and the support body.
Furthermore, the through hole 302 is internally provided with a step surface 303, in the subsequent glue pouring process, the pouring glue can fill the whole through hole and form an annular body on the step surface, the diameter of the annular body is larger than that of the central hole of the step surface, the connection reliability between the frame body and the pouring glue is ensured, the through hole can also adopt the structural design of a taper hole, and thus, the frame body can be stably connected by the tapered pouring glue column formed in the through hole.
Further, be equipped with reinforcing plate 22 between the side of support body 2 and locating piece, and the upper surface of reinforcing plate is less than the up end of support body, and the reinforcing plate of setting has promoted the joint strength between support body and the locating piece, and is further, the upper surface of reinforcing plate is less than the up end of support body, and at the encapsulating in-process, also can cover the casting glue at the upper surface of reinforcing plate, and the casting glue is linked into an organic whole with the casting glue of core seat installation intracavity, also can increase the area of contact of casting glue to the support body, promotes connection reliability between them.
Referring to fig. 6, a pressure transmitter, it is including the core seat 1 that has the pressure transmitter of installation cavity 10, and the one end of core seat 1 is equipped with pressure sensor 4, is equipped with compensation circuit board 5, signal processing circuit board 6 in the installation cavity 10, its characterized in that: still including firm setting at the terminal support body 2 of core seat installation cavity, the surface of support body is equipped with the positioning unit 3 to binding post, and binding post 7 is connected with the signal processing circuit board.
In conclusion, the invention has the following beneficial effects:
1. according to the invention, the frame body is arranged in the mounting cavity of the core body seat, and the positioning unit on the frame body is used for positioning the wiring terminal, so that the position of the wiring terminal relative to the core body seat is stable, the problems of inclination and offset of the wiring terminal in the prior art are avoided, and various problems possibly caused by inclination of the wiring terminal are further avoided.
2. The invention positions the wiring terminal through the arranged frame body, and the wiring terminal is effectively limited in the subsequent glue filling process, thereby greatly improving the convenience of operation of workers.
3. The frame body is used for positioning and keeping the wiring terminal, so that the wiring terminal and the signal processing circuit board can be connected through the flexible wire, flexible arrangement is facilitated, in the subsequent use process, the force applied to the wiring terminal in the plugging and unplugging process can be borne by the support frame and the pouring sealant, the force cannot be transmitted to the signal processing circuit board, and the service life of components is prolonged.
Claims (10)
1. The utility model provides a support frame of pressure transmitter, its core seat including the pressure transmitter who has the installation cavity which characterized in that: the structure is characterized by further comprising a frame body which is stably arranged at the tail end of the core body seat installation cavity, and a positioning unit for the wiring terminal is arranged on the surface of the frame body.
2. The support frame of a pressure transmitter of claim 1, characterized in that: the support body include the support body, a side surface of support body extends and is formed with the supporting part, the end of supporting part offsets with the bottom surface of installation cavity for the support body can stabilize the setting at the core seat installation cavity end.
3. The support frame of a pressure transmitter of claim 2, characterized in that: the supporting part is provided with at least one notch.
4. The support frame of a pressure transmitter of claim 1, characterized in that: the inner wall of installation cavity be equipped with the constant head tank along the axis, the support body includes the support body, be equipped with on the outer wall of support body with constant head tank complex location protruding.
5. The support frame of a pressure transmitter of claim 1, characterized in that: the inner wall of installation cavity on be equipped with the first conical surface of following the terminal shrink of installation cavity to the bottom surface, the support body includes the support body, the lateral surface of support body be equipped with first conical surface complex second conical surface.
6. The support frame for a pressure transmitter of any one of claims 1 to 5, wherein: the positioning unit comprises positioning blocks symmetrically arranged on the frame body, positioning grooves for containing and positioning the end parts of the wiring terminals are formed in the positioning blocks, and hollow areas for the wiring terminals to penetrate through are formed between the two positioning blocks.
7. The support frame of a pressure transmitter of claim 6, wherein: the right-angle corner of constant head tank be equipped with the constant head tank intercommunication and run through the through-hole of locating piece.
8. The support frame of claim 7, wherein a step surface is provided in the through hole.
9. The support frame of a pressure transmitter of claim 6, wherein: and a reinforcing plate is arranged between the frame body and the side edge of the positioning block, and the upper surface of the reinforcing plate is lower than the upper end surface of the frame body.
10. The utility model provides a pressure transmitter, its core seat including the pressure transmitter who has the installation cavity, the one end of core seat is equipped with pressure sensor, is equipped with compensating circuit board, signal processing circuit board, its characterized in that in the installation cavity: still including the firm support body that sets up at core seat installation cavity end, the surface of support body is equipped with the positioning unit to binding post, and binding post is connected with signal processing circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249732.6A CN112304488A (en) | 2020-11-11 | 2020-11-11 | Pressure transmitter's support frame and pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249732.6A CN112304488A (en) | 2020-11-11 | 2020-11-11 | Pressure transmitter's support frame and pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112304488A true CN112304488A (en) | 2021-02-02 |
Family
ID=74325982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011249732.6A Pending CN112304488A (en) | 2020-11-11 | 2020-11-11 | Pressure transmitter's support frame and pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112304488A (en) |
-
2020
- 2020-11-11 CN CN202011249732.6A patent/CN112304488A/en active Pending
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