CN215773869U - A transmitter structure and carbon dioxide concentration transmitter - Google Patents
A transmitter structure and carbon dioxide concentration transmitter Download PDFInfo
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- CN215773869U CN215773869U CN202122211969.1U CN202122211969U CN215773869U CN 215773869 U CN215773869 U CN 215773869U CN 202122211969 U CN202122211969 U CN 202122211969U CN 215773869 U CN215773869 U CN 215773869U
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 28
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 14
- 239000001569 carbon dioxide Substances 0.000 title claims description 14
- 238000009434 installation Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
本实用新型涉及变送器技术领域，解决了现有技术中变送器电路板通过螺丝固定，容易损坏电路板的问题。一种变送器结构，包括第一壳体、第二壳体和电路板，第一壳体与第二壳体围成封闭腔体，电路板位于封闭腔体内，第一壳体内壁设有第一柱体，第一柱体远离第一壳体的端部设有第三柱体，第三柱体穿过电路板；第二壳体内壁设有第二柱体，第二柱体远离第二壳体的端部抵靠在第三柱体远离第一柱体的端部，第一柱体/第三柱体与第二柱体固定连接。第三柱体穿过电路板，第三柱体位于第一柱体和第二柱体之间，第一柱体和第二柱体位于电路板的两侧，第一柱体、第二柱体和第三柱体将电路板固定，无需通过螺丝固定电路板，避免了拧螺丝时损坏电路板。
The utility model relates to the technical field of transmitters, and solves the problem that the circuit board of the transmitter is fixed by screws in the prior art, and the circuit board is easily damaged. A transmitter structure includes a first shell, a second shell and a circuit board, the first shell and the second shell enclose a closed cavity, the circuit board is located in the closed cavity, and the inner wall of the first shell is provided with The first cylinder, the end of the first cylinder away from the first casing is provided with a third cylinder, the third cylinder passes through the circuit board; the inner wall of the second casing is provided with a second cylinder, the second cylinder is away from The end of the second housing abuts against the end of the third cylinder away from the first cylinder, and the first cylinder/third cylinder is fixedly connected to the second cylinder. The third column passes through the circuit board, the third column is located between the first column and the second column, the first column and the second column are located on both sides of the circuit board, the first column, the second column The circuit board is fixed by the body and the third cylinder, and there is no need to fix the circuit board by screws, which avoids damage to the circuit board when screwing.
Description
Technical Field
The utility model relates to the technical field of transmitters, in particular to a transmitter structure and a carbon dioxide concentration transmitter.
Background
The transmitter is a device for collecting physical quantity, converting the physical quantity into electrical quantity, and adding a signal processing circuit and a signal transmission circuit to the sensor. The circuit board of current changer passes through the screw fixation at the shells inner wall usually, just is used for fixing integrated circuit board I and integrated circuit board II as stand A and stand B in patent 2018116487909, and this kind of mounting means makes the screw head (the big end of screw, has multiple types such as cylinder head, half countersunk head, sphere cylinder head, pan head, semicircle head, hexagonal head) directly compress tightly the circuit board, causes the damage of circuit board easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmitter structure and a carbon dioxide concentration transmitter, and solves the problem that a circuit board of the transmitter is easily damaged due to the fact that the circuit board of the transmitter is fixed through screws in the prior art.
A transmitter structure comprises a first shell, a second shell and a circuit board, wherein the first shell and the second shell enclose a closed cavity, the circuit board is positioned in the closed cavity, a first cylinder is arranged on the inner wall of the first shell, a third cylinder is arranged at the end part, far away from the first shell, of the first cylinder, and the third cylinder penetrates through the circuit board; the second shell inner wall is provided with a second cylinder, the end part of the second cylinder far away from the second shell is abutted against the end part of the third cylinder far away from the first cylinder, and the first cylinder/the third cylinder is fixedly connected with the second cylinder. When the circuit board limiting device is used, the third cylinder penetrates through the circuit board to limit the circuit board in the X-axis direction and the Y-axis direction, the third cylinder is positioned between the first cylinder and the second cylinder, the first cylinder and the second cylinder are positioned on two sides of the circuit board, and the first cylinder and the second cylinder limit the circuit board in the Z-axis direction, so that the circuit board is fixed by the first cylinder, the second cylinder and the third cylinder without fixing the circuit board through screws, and the circuit board is prevented from being damaged when the screws are screwed. First cylinder/third cylinder and second cylinder fixed connection not only contain the condition of first cylinder or third cylinder and second cylinder direct fixed connection, still contain the condition of first cylinder or third cylinder and second cylinder indirect fixed connection, if first casing passes through other screw or buckle fixed connection with the second casing, because first cylinder is fixed on first casing, the second cylinder is fixed on the second casing, and the third cylinder is just to and is extrudeed with the second cylinder, and the end of the third cylinder pastes and leans on early second cylinder end.
Further, the end part, far away from the first shell, of the first cylinder abuts against the circuit board, and the end part, far away from the second shell, of the second cylinder abuts against the circuit board. The distance between the end part of the first cylinder far away from the first shell and the end part of the second cylinder far away from the second shell is the same as the thickness of the circuit board, the end part of the first cylinder and the end part of the second cylinder respectively support against two opposite surfaces of the circuit board, the circuit board is limited in the Z-axis direction, and the circuit board is prevented from shaking between the end part of the first cylinder and the end part of the second cylinder.
Further, first cylinder with the second cylinder passes through installation screwed connection, is equipped with first cylinder hole on the first cylinder, be equipped with second cylinder hole on the third cylinder, first cylinder hole is coaxial with second cylinder hole, and the diameter in first cylinder hole is greater than the diameter of the screw head of installation screw, and the diameter in second cylinder hole is less than the diameter of the screw head of installation screw, and the diameter in second cylinder hole is greater than the diameter of the threaded rod of installation screw. The screw head is located that first cylindricality is downthehole and can not pass second cylinder hole, and the threaded rod passes second cylinder hole and second cylinder threaded connection, is in the same place first cylinder and second cylinder fixed connection to link together first casing and second casing, need not to set up the mechanism of special first casing of connection and second casing again, simple structure. The operation is simple when the installation and the dismantlement.
Furthermore, a limiting block is arranged on the first shell, a limiting cavity is arranged on the second shell, and the limiting block is located in the limiting cavity. When the limiting block is located in the limiting cavity, the first shell is right opposite to the second shell, and the threaded hole in the second shell is right opposite to the second cylindrical hole, so that the screw can be conveniently installed.
Further, the limiting block comprises a first limiting plate, a second limiting plate, a third limiting plate and a fourth limiting plate, the limiting cavity is defined by a fifth limiting plate, a sixth limiting plate, a seventh limiting plate and an eighth limiting plate, the outer wall of the first limiting plate is attached to the inner wall of the fifth limiting plate, the second limiting plate is attached to the inner wall of the sixth limiting plate, the outer wall of the third limiting plate is attached to the inner wall of the seventh limiting plate, and the outer wall of the fourth limiting plate is attached to the inner wall of the eighth limiting plate.
Further, the first limiting plate, the second limiting plate, the third limiting plate and the fourth limiting plate are all fixedly connected to the side wall of the first shell, and the fifth limiting plate, the sixth limiting plate, the seventh limiting plate and the eighth limiting plate are all fixedly connected to the side wall of the second shell.
Further, first shells inner wall is equipped with two first cylinder, second shells inner wall is equipped with two the second cylinder.
Furthermore, the first casing/the second casing/the first cylinder/the second cylinder/the third cylinder are fixedly connected with a limiting piece, and the limiting piece penetrates through the circuit board.
The carbon dioxide concentration transmitter comprises a carbon dioxide concentration sensor and a transmitter structure, wherein the carbon dioxide concentration sensor is positioned in the closed cavity and is electrically connected with the circuit board.
According to the technical scheme, the utility model has the following advantages:
the circuit board is passed to the three-cylinder body, carries out the spacing of X axle and Y axle direction to the circuit board, and the third cylinder is located between first cylinder and the second cylinder, and first cylinder and second cylinder are located the both sides of circuit board, and first cylinder and second cylinder carry out the spacing of Z axle direction to the circuit board, and first cylinder, second cylinder and third cylinder are fixed with the circuit board, need not to pass through the screw fixation circuit board, damage the circuit board when having avoided twisting the screw.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of a first housing structure according to the present invention;
FIG. 3 is a schematic structural diagram of a circuit board and a first housing according to the present invention;
FIG. 4 is a schematic structural view of a second housing according to the present invention;
FIG. 5 is a rear view of the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
FIG. 7 is a front view of the circuit board and the first housing of the present invention;
1. the first casing, 2, the second casing, 3, the circuit board, 4, first cylinder, 5, the third cylinder, 6, the second cylinder, 7, first cylinder hole, 8, second cylinder hole, 9, the screw head, 10, the threaded rod, 11, first limiting plate, 12, the second limiting plate, 13, the third limiting plate, 14, the fourth limiting plate, 15, the fifth limiting plate, 16, the sixth limiting plate, 17, the seventh limiting plate, 18, the eighth limiting plate, 19, the locating part, 20, the screw hole, 21, the installation screw.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only a part of 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 embodiments given in the present patent without making any creative effort, shall fall within the scope of protection of the present patent.
Example 1
As shown in fig. 1-6, a transmitter structure includes a first housing 1, a second housing 2, and a circuit board 3, where the first housing 1 and the second housing 2 enclose a closed cavity, the circuit board 3 is located in the closed cavity, four first cylinders 4 are disposed on an inner wall of the first housing 1, a third cylinder 5 is disposed at an end of the first cylinder 4 away from the first housing 1, and the third cylinder 5 penetrates through the circuit board 3; the inner wall of the second shell 2 is provided with four second cylinders 6, the end part of the second cylinder 6 far away from the second shell 2 is abutted against the end part of the third cylinder 5 far away from the first cylinder 4, and the first cylinder 4/the third cylinder 5 is fixedly connected with the second cylinder 6. When the circuit board limiting device is used, the third cylinder 5 penetrates through the circuit board 3 to limit the circuit board 3 in the X-axis direction and the Y-axis direction, the third cylinder 5 is located between the first cylinder 4 and the second cylinder 6, the first cylinder 4 and the second cylinder 6 are located on two sides of the circuit board 3, and the first cylinder 4 and the second cylinder 6 limit the circuit board 3 in the Z-axis direction, so that the circuit board 3 is fixed by the first cylinder 4, the second cylinder 6 and the third cylinder 5 without fixing the circuit board 3 through screws, and the circuit board 3 is prevented from being damaged when screws are screwed.
Be equipped with the stopper on the first casing 1, be equipped with spacing chamber on the second casing 2, the stopper is located spacing intracavity. When the limiting block is located in the limiting cavity, the first shell 1 is right opposite to the second shell 2, and the threaded hole 20 in the second column 6 is right opposite to the second cylindrical hole 8, so that the screw 21 is convenient to install. The limiting block comprises a first limiting plate 11, a second limiting plate 12, a third limiting plate 13 and a fourth limiting plate 14, a limiting cavity is defined by a fifth limiting plate 15, a sixth limiting plate 16, a seventh limiting plate 17 and an eighth limiting plate 18, the outer wall of the first limiting plate 11 is attached to the inner wall of the fifth limiting plate 15, the second limiting plate 12 is attached to the inner wall of the sixth limiting plate 16, the outer wall of the third limiting plate 13 is attached to the inner wall of the seventh limiting plate 17, and the outer wall of the fourth limiting plate 14 is attached to the inner wall of the eighth limiting plate 18. First limiting plate 11, second limiting plate 12, third limiting plate 13, fourth limiting plate 14 all fixed connection are on the lateral wall of first casing 1, and fifth limiting plate 15, sixth limiting plate 16, seventh limiting plate 17, the equal fixed connection of eighth limiting plate 18 are on the lateral wall of second casing 2.
Carbon dioxide concentration transmitter, including carbon dioxide concentration sensor and changer structure, carbon dioxide concentration sensor is located the closed cavity, and carbon dioxide concentration sensor is connected with circuit board 3 electricity.
Example 2
The difference between this embodiment and embodiment 1 lies in, the tip that first cylinder 4 kept away from first casing 1 supports and leans on circuit board 3, the tip that second casing 2 is kept away from to second cylinder 6 supports and leans on circuit board 3, the distance between the tip that first casing 1 is kept away from to first cylinder 4 and the tip that second casing 2 is kept away from to second cylinder 6 is the same with the thickness of circuit board 3, the tip of first cylinder 4 and the tip of second cylinder 6 support respectively and lean on the two relative faces of circuit board 3, it is spacing to carry out the Z axle direction to circuit board 3, circuit board 3 has been avoided rocking between the tip of first cylinder 4 and the tip of second cylinder 6.
Example 3
The difference between this embodiment and embodiment 1 is that a first cylinder 4 is disposed on the inner wall of the first casing 1, a third cylinder 5 is disposed at the end of the first cylinder 4 away from the first casing 1, the third cylinder 5 is a quadrangular prism, a quadrangular through hole is disposed on the circuit board 3, the third cylinder 5 penetrates through the quadrangular through hole, and a second cylinder 6 is disposed on the inner wall of the second casing 2. Four sides of the quadrilateral through hole are abutted against four side surfaces of the third cylinder 5, so that the circuit board 3 is prevented from rotating around the third cylinder 5.
Example 4
The difference between this embodiment and embodiment 1 is that a through hole is formed in the first housing 1, an internal threaded post is formed in the second housing 2, and a screw penetrates through the through hole to be in threaded connection with the internal threaded post, so as to fixedly connect the first housing 1 and the second housing 2. The first cylinder 4 is not provided with the first cylindrical hole 7, the second cylinder 6 is not provided with the threaded hole 20, and the third cylinder 5 is not provided with the second cylindrical hole 8. The first shell 1 is connected with the second shell 2 through screws, and after the first shell 1 is fixedly connected with the second shell 2, one end of the third cylinder 5, which is far away from the first cylinder 4, and one end of the second cylinder 6, which is close to the first cylinder 4, abut against each other.
Example 5
As shown in fig. 7, the present embodiment is different from embodiment 1 in that a first column 4 is disposed on an inner wall of the first casing 1, a second column 6 is disposed on an inner wall of the second casing 2, the third column 5 is cylindrical, and a fourth column/limiting plate is disposed on an inner wall of the first casing 1 and penetrates through the circuit board 3. The circuit board 3 is prevented from rotating around the third cylinder 5 by the fourth cylinder/limiting plate.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims and drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A transmitter structure is characterized by comprising a first shell (1), a second shell (2) and a circuit board (3), wherein a first cylinder (4) is arranged on the inner wall of the first shell (1), a third cylinder (5) is arranged at the end part, far away from the first shell (1), of the first cylinder (4), and the third cylinder (5) penetrates through the circuit board (3); the inner wall of the second shell (2) is provided with a second cylinder (6), the end part, far away from the second shell (2), of the second cylinder (6) is abutted against the end part, far away from the first cylinder (4), of the third cylinder (5), and the first cylinder (4)/the third cylinder (5) is fixedly connected with the second cylinder (6).
2. Transmitter arrangement according to claim 1, characterized in that the end of the first cylinder (4) remote from the first housing (1) rests on the circuit board (3) and the end of the second cylinder (6) remote from the second housing (2) rests on the circuit board (3).
3. Transmitter structure according to claim 2, characterized in that, the first cylinder (4) with the second cylinder (6) is connected through installation screw (21), is equipped with first cylinder hole (7) on first cylinder (4), is equipped with second cylinder hole (8) on third cylinder (5), and first cylinder hole (7) are coaxial with second cylinder hole (8), and the diameter in first cylinder hole (7) is greater than the diameter of screw head (9) of installation screw (21), and the diameter in second cylinder hole (8) is less than the diameter of screw head (9) of installation screw (21), and the diameter in second cylinder hole (8) is greater than the diameter of threaded rod (10) of installation screw (21).
4. The transmitter structure according to claim 1, 2 or 3, characterized in that a limiting block is arranged on the first housing (1), a limiting cavity is arranged on the second housing (2), and the limiting block is located in the limiting cavity.
5. The transmitter structure according to claim 4, wherein the limiting blocks comprise a first limiting plate (11), a second limiting plate (12), a third limiting plate (13) and a fourth limiting plate (14), the limiting cavity is defined by a fifth limiting plate (15), a sixth limiting plate (16), a seventh limiting plate (17) and an eighth limiting plate (18), the outer wall of the first limiting plate (11) abuts against the inner wall of the fifth limiting plate (15), the second limiting plate (12) abuts against the inner wall of the sixth limiting plate (16), the outer wall of the third limiting plate (13) abuts against the inner wall of the seventh limiting plate (17), and the outer wall of the fourth limiting plate (14) abuts against the inner wall of the eighth limiting plate (18).
6. The transmitter structure according to claim 5, wherein the first limiting plate (11), the second limiting plate (12), the third limiting plate (13) and the fourth limiting plate (14) are all fixedly connected to a side wall of the first housing (1), and the fifth limiting plate (15), the sixth limiting plate (16), the seventh limiting plate (17) and the eighth limiting plate (18) are all fixedly connected to a side wall of the second housing (2).
7. Transmitter arrangement according to claim 4, characterized in that the inner wall of the first housing (1) is provided with two first cylinders (4) and the inner wall of the second housing (2) is provided with two second cylinders (6).
8. Transmitter architecture according to claim 4, characterized in that a limiting member (19) is fixedly connected to the first housing (1)/second housing (2)/first cylinder (4)/second cylinder (6)/third cylinder (5), the limiting member (19) passing through the circuit board (3).
9. Carbon dioxide concentration transmitter, characterized in that it comprises a carbon dioxide concentration sensor and a transmitter structure according to any of claims 1-6, the carbon dioxide concentration sensor being electrically connected to the circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211969.1U CN215773869U (en) | 2021-09-14 | 2021-09-14 | A transmitter structure and carbon dioxide concentration transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211969.1U CN215773869U (en) | 2021-09-14 | 2021-09-14 | A transmitter structure and carbon dioxide concentration transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215773869U true CN215773869U (en) | 2022-02-08 |
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ID=80087093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122211969.1U Active CN215773869U (en) | 2021-09-14 | 2021-09-14 | A transmitter structure and carbon dioxide concentration transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215773869U (en) |
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2021
- 2021-09-14 CN CN202122211969.1U patent/CN215773869U/en active Active
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