Wall-mounted transducer

Abstract

The application discloses a wall-mounted transmitter, which comprises a control box and a detection probe connected to the control box. The control box comprises a shell and a conditioning circuit board. An installation cavity with an open front surface is arranged in the shell and is covered by a box cover. An input end of the conditioning circuit board is electrically connected to the detection probe through a first transition circuit board. An output end of the conditioning circuit board is electrically connected to an external display device through a second transition circuit board. The conditioning circuit board, the first transition circuit board and the second transition circuit board are arranged in the shell. The wall-mounted transmitter has compact structure. The input end and the output end of the conditioning circuit board are respectively connected to the first transition circuit board and the second transition circuit board, so that the maintenance cost is reduced.

Description

Technical Field

[0001] This application relates to the field of transmitter technology, and in particular to a wall-mounted transmitter. Background Technology

[0002] A transmitter is a device that converts physical quantities into standard signal outputs and is widely used in industrial automation and process control systems. There are many types of transmitters, including but not limited to pressure transmitters, temperature transmitters, humidity transmitters, level transmitters, current transmitters, and voltage transmitters. Currently, all the circuitry in most transmitters is integrated into a single circuit board. If one part fails, the entire circuit board must be replaced, resulting in high maintenance costs. Furthermore, the integration of numerous components on the circuit board leads to a large board area, requiring a larger mounting box, which is unsuitable for installation in confined spaces. Therefore, improvements are needed. Utility Model Content

[0003] The purpose of this invention is to provide a wall-mounted transmitter to overcome the shortcomings of the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: This application discloses a wall-mounted transmitter, including a tooling plate placed on a workbench, a control box, and a detection probe connected to the control box. The control box includes a housing and a conditioning circuit board. The housing has a mounting cavity with an opening on the front and is sealed by a cover. The input terminal of the conditioning circuit board is electrically connected to the detection probe through a first transition circuit board, and the output terminal of the conditioning circuit board is electrically connected to an external display device through a second transition circuit board. The conditioning circuit board, the first transition circuit board, and the second transition circuit board are all disposed within the housing.

[0005] Furthermore, in the aforementioned wall-mounted transmitter, the bottom end of the housing is provided with waterproof connectors corresponding to the first transition circuit board and the second transition circuit board, respectively, and the waterproof connectors extend into the mounting cavity.

[0006] Furthermore, in the aforementioned wall-mounted transmitter, the bottom wall of the mounting cavity has two mounting posts protruding for mounting the conditioning circuit board.

[0007] Furthermore, in the aforementioned wall-mounted transmitter, the conditioning circuit board is provided with a reset switch, the top side wall of the mounting cavity is provided with an operating through hole corresponding to the reset switch, and the top of the housing is provided with a cover plate corresponding to the operating through hole.

[0008] Furthermore, in the aforementioned wall-mounted transmitter, the bottom wall of the mounting cavity protrudes with a mounting boss and a support boss for mounting the second transition circuit board.

[0009] Furthermore, in the aforementioned wall-mounted transmitter, the bottom wall of the mounting cavity protrudes with a raised platform for mounting the first transition circuit board. The raised platform is disposed between the mounting post, the mounting boss, and the supporting boss, and the mounting post, the mounting boss, and the supporting boss are connected to the raised platform. The side of the mounting cavity is provided with a mounting groove corresponding to the raised platform.

[0010] Furthermore, in the aforementioned wall-mounted transmitter, a clearance groove is provided on the back of the housing cover.

[0011] Furthermore, in the aforementioned wall-mounted transmitter, hanging ears are provided on both sides of the housing, and waist-shaped holes are provided inside the hanging ears.

[0012] Compared with the prior art, the advantages of this utility model are: the wall-mounted transmitter has a compact structure, and the input and output ends of the conditioning circuit board are respectively connected to the first transition circuit board and the second transition circuit board, which reduces maintenance costs. The multiple circuit boards facilitate layout and reduce the area required for installation. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 The diagram shown is a structural schematic of a wall-mounted transmitter in a specific embodiment of this utility model.

[0015] Figure 2 The diagram shown is an exploded view of a wall-mounted transmitter in a specific embodiment of this utility model.

[0016] Figure 3 The diagram shows the disassembled usage of the conditioning circuit board, the first transition circuit board, the second transition circuit board, and the housing in a specific embodiment of this utility model.

[0017] Figure 4 The diagram shown is a structural schematic of the shell in a specific embodiment of this utility model.

[0018] Figure 5 The diagram shown is a structural schematic of the box lid in a specific embodiment of this utility model. Detailed Implementation

[0019] The technical solutions of the present utility model will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] For example, see Figures 1 to 5 As shown, a wall-mounted transmitter includes a control box and a detection probe (not shown) connected to the control box. The control box includes a housing 1 and a conditioning circuit board 2. The housing 1 has a mounting cavity with an opening on the front and is sealed by a cover 3. The input end of the conditioning circuit board 2 is electrically connected to the detection probe through a first transition circuit board 4, and the output end of the conditioning circuit board 2 is electrically connected to an external display device through a second transition circuit board 5. The conditioning circuit board 2, the first transition circuit board 4, and the second transition circuit board 5 are all disposed inside the housing 1.

[0023] In this technical solution, after the housing is fixed to a vertical wall, the end face away from the wall is the front, the end face in contact with the wall is the back, the higher horizontal end face is the top, and the lower horizontal end face is the bottom. The cover is a plate-like structure with four recessed countersunk holes and is installed and removed from the opening end (front) of the housing using conventional bolts. The detection probe is connected to the conditioning circuit board via a first transition circuit board. The conditioning circuit board amplifies and converts the signal from the detection probe and transmits it to an external computer or other display device via a second transition circuit board. External power is introduced through the second transition circuit board. The conditioning circuit board is connected to the first and second transition circuit boards via conventional flexible circuit boards and connectors, respectively. The conditioning circuit board, the first transition circuit board, and the second transition circuit board are all conventional circuit board structures and integrate corresponding circuits. This wall-mounted transmitter has a compact structure. The input and output ends of the conditioning circuit board are connected to the first and second transition circuit boards, respectively, and can be replaced individually, reducing maintenance costs.

[0024] For example, see Figures 1 to 4 As shown, the bottom end of the housing 1 is provided with a waterproof connector 6 corresponding to the first transition circuit board 4 and the second transition circuit board 5 respectively, and the waterproof connector 6 extends into the mounting cavity.

[0025] In this technical solution, the waterproof connector directly utilizes existing cable waterproof connectors. Two threaded through holes are machined at the bottom of the housing, and the waterproof connector is connected to the corresponding threaded through holes. The connection between the detection probe and the first transition circuit board, as well as between the second transition circuit board and the external display device, is achieved through conventional cables. The cables pass through / out of the corresponding waterproof connectors, improving the sealing of the control box and protecting the conditioning circuit board, the first transition circuit board, and the second transition circuit board. At the same time, the cable waterproof connector can also fix the cables, so that when the cables outside the control box are dragged, it will not affect the connection between the corresponding cables and the first or second transition circuit board, thus improving the stability of the connection.

[0026] For example, see Figures 1 to 4 As shown, the bottom wall of the mounting cavity has two mounting posts 11 for mounting the conditioning circuit board 2.

[0027] In this technical solution, a mounting post protrudes from the bottom wall of the mounting cavity (the side facing its opening). The mounting post is integrally formed with the housing and is used to mount the conditioning circuit board, so as to avoid the bottom wall of the mounting cavity from interfering with the pins and components on the back of the conditioning circuit board (the side near the bottom wall of the mounting cavity).

[0028] For example, see Figures 1 to 4 As shown, the conditioning circuit board 2 is equipped with a reset switch, the top side wall of the mounting cavity is provided with an operation through hole 12 corresponding to the reset switch, and the top of the housing 1 is provided with a cover plate 7 corresponding to the operation through hole 12.

[0029] In this technical solution, the reset switch / adjustment switch is a conventional knob or button, used for manual reset or zero point setting, etc. The conditioning circuit board is installed behind the mounting post. The reset switch is close to the top side wall of the mounting cavity and is located inside the operating through hole. The cover plate is a conventional plate structure and is fixed to the top of the housing with conventional bolts, thereby sealing the operating through hole and preventing accidental activation of the reset switch.

[0030] For example, see Figures 1 to 4 As shown, the bottom wall of the mounting cavity has a mounting boss 13 and a support boss 14 for mounting the second transition circuit board 5.

[0031] In this technical solution, two mounting bosses are close to and connected to the top sidewall of the mounting cavity to improve the strength of the mounting bosses. One end of the second transition circuit board is fixed to the top of the first transition circuit board by conventional screws, and the other end rests on the support boss to improve the stability of the second transition circuit board. The mounting bosses and support bosses are at the same height as the mounting column, that is, the second transition circuit board and the conditioning circuit board are arranged side by side in the mounting cavity.

[0032] For example, see Figures 1 to 4 As shown, the bottom wall of the mounting cavity has a raised platform 15 for mounting the first transition circuit board 4. The raised platform 15 is disposed between the corresponding mounting post 11, the mounting boss 13 and the supporting boss 14. The corresponding mounting post 11, the mounting boss 13 and the supporting boss 14 are connected to the raised platform 15. The side of the mounting cavity is provided with a mounting groove 16 corresponding to the raised platform.

[0033] In this technical solution, the first transition circuit board is suspended above the conditioning circuit board (in the direction from the back to the front of the housing) by a raised platform and a mounting groove, which reduces the area required for the mounting cavity and thus reduces the installation area of ​​the control box; the mounting post near the raised platform is connected to the end of the mounting boss and the support boss to the raised platform, which improves the strength of the raised platform, and the raised platform, mounting boss and support boss are integrally formed with the housing.

[0034] For example, see Figure 1 and Figure 5 As shown, a clearance groove 31 is provided on the back of the box cover 3.

[0035] In this technical solution, the back of the cover (the side closest to the housing) is recessed with an avoidance groove to prevent interference with the components inside the first transition circuit board.

[0036] For example, see Figures 1 to 4 As shown, the shell 1 has a hanging ear 16 on each side, and the hanging ear has a waist-shaped hole.

[0037] In this technical solution, the length of the waist-shaped hole is set along the vertical direction (from the top to the bottom of the housing), and it is used in conjunction with conventional bolts to realize the wall-mounting function of the control box.

[0038] In summary, this wall-mounted transmitter has a compact structure. The input and output terminals of the conditioning circuit board are respectively connected to the first transition circuit board and the second transition circuit board, which reduces maintenance costs. The multiple circuit boards facilitate layout and reduce the area required for installation.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0040] The above description is only a specific embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A wall-mounted transmitter, characterized in that, The device includes a control box and a detection probe connected to the control box. The control box includes a housing and a conditioning circuit board. The housing has a mounting cavity with an opening on the front and is sealed by a cover. The input terminal of the conditioning circuit board is electrically connected to the detection probe through a first transition circuit board, and the output terminal of the conditioning circuit board is electrically connected to an external display device through a second transition circuit board. The conditioning circuit board, the first transition circuit board, and the second transition circuit board are all disposed within the housing.

2. The wall-mounted transmitter according to claim 1, characterized in that: The bottom end of the housing is provided with waterproof connectors corresponding to the first transition circuit board and the second transition circuit board respectively, and the waterproof connectors extend into the mounting cavity.

3. The wall-mounted transmitter according to claim 1, characterized in that: The bottom wall of the mounting cavity has two mounting posts for mounting the conditioning circuit board.

4. The wall-mounted transmitter according to claim 3, characterized in that: The conditioning circuit board is equipped with a reset switch, the top side wall of the mounting cavity is provided with an operation through hole corresponding to the reset switch, and the top of the housing is provided with a cover plate corresponding to the operation through hole.

5. The wall-mounted transmitter according to claim 3, characterized in that: The bottom wall of the mounting cavity has protruding mounting bosses and support bosses for mounting the second transition circuit board.

6. The wall-mounted transmitter according to claim 5, characterized in that: The bottom wall of the mounting cavity has a raised platform for mounting the first transition circuit board. The raised platform is disposed between the mounting post, the mounting boss and the supporting boss. The mounting post, the mounting boss and the supporting boss are connected to the raised platform. The side of the mounting cavity is provided with a mounting groove corresponding to the raised platform.

7. The wall-mounted transmitter according to claim 5, characterized in that: The back of the box lid is provided with a clearance groove.

8. The wall-mounted transmitter according to claim 1, characterized in that: The shell has hanging ears on both sides, and each hanging ear has a waist-shaped hole.

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