CN211234826U

CN211234826U - Low-noise pressure sensor module

Info

Publication number: CN211234826U
Application number: CN201921044271.1U
Authority: CN
Inventors: 容慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-08-11
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to an intelligent sensor technical field especially relates to a low noise pressure sensor module. The pressure sensor is fixedly arranged on the upper top plate, and a transmission line is fixedly arranged on the side surface of the upper top plate; the bottom plate comprises a main controller, an RS485 interface, an analog signal interface, a digital signal interface, a voice broadcasting device and a power supply interface; wherein, power supply interface, RS485 interface, analog signal interface and digital signal interface install the lower extreme at the bottom plate in proper order, and main control unit sets up in the central authorities of bottom plate, and the voice broadcast device sets up on the right side of bottom plate, and the top of voice broadcast module sets up the voice broadcast button. The utility model discloses not only can use more application scenes, but also can carry out instant broadcast to measured data.

Description

Low-noise pressure sensor module

Technical Field

The utility model relates to an intelligent sensor technical field especially relates to a low noise pressure sensor module.

Background

A device or apparatus capable of sensing pressure signals and converting the pressure signals into usable output electrical signals according to a certain rule. The pressure sensor is generally composed of a pressure sensitive element and a signal processing unit; according to different test pressure types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and is used for designing various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, oil wells and the like.

Because the use scenes of the pressure sensors are very many, different scenes need to adopt pressure sensors with different numbers and different types, and output signals of some pressure sensors are analog signals, most of the traditional pressure sensor modules are simpler devices and cannot adapt to the different scenes; in addition, traditional intelligent sensor can not carry out the instant broadcast of measured data, can only provide measured data for other structures, can not the exclusive use.

To this end, we propose a low noise pressure sensor module to solve the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shortcoming in order to solve exist among the prior art, and the low noise pressure sensor module that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-noise pressure sensor module is characterized by comprising a bottom plate and an upper top plate, wherein a pressure sensor is fixedly installed on the upper top plate, and a transmission line is fixedly arranged on the side surface of the upper top plate; the bottom plate comprises a main controller, an RS485 interface, an analog signal interface, a digital signal interface, a voice broadcasting device and a power supply interface; the power supply interface, the RS485 interface, the analog signal interface with the digital signal interface is installed in proper order the lower extreme of bottom plate, main control unit sets up the central authorities of bottom plate, the voice broadcast device sets up the right side of bottom plate, the top of voice broadcast module sets up the voice broadcast button.

Further, the analog signal interface comprises an analog signal input port and an analog signal output port.

Furthermore, the upper top plate is an oval top plate, and a first fixing hole, a second fixing hole, a third fixing hole and a fourth fixing hole are formed in the periphery of the upper top plate.

Furthermore, a first mounting hole, a second mounting hole, a third mounting hole and a fourth mounting hole are formed in the periphery of the bottom plate.

Further, the main controller is an STC90C51 singlechip.

Compared with the prior art, the utility model, its beneficial effect does:

1. by arranging the RS485 interface analog signal interface, the digital signal interface and the voice broadcasting module, the pressure sensor can be used as a pressure sensor in a scene needing the pressure sensor, can also be used independently as an independent pressure measuring appliance, and can adapt to more application scenes;

2. through setting up two-layer structure of roof and bottom plate, fix the pressure sensor module at the roof, with roof and bottom plate snap-on together can carry out simple pressure measurement, can carry out many areas, omnidirectional pressure measurement with a plurality of roofs and a bottom plate is fixed together.

Drawings

Fig. 1 is a schematic structural diagram of a low-noise pressure sensor module according to the present invention;

FIG. 2 is a schematic diagram of an analog signal interface;

FIG. 3 is a diagram of the distribution of the modules in a low noise pressure sensor module;

fig. 4 is a schematic diagram of a control structure of the main controller.

In the figure: 1 main control unit, 2 pressure sensor, 3 RS485 interface, 4 analog signal interface, 5 digital signal interface, 6 voice broadcast device, 7 power supply interface, A go up roof, B bottom plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "back", "vertical", "lateral", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a low noise pressure sensor module, which is characterized by comprising a bottom plate B and an upper top plate a, wherein the upper top plate a is fixedly provided with a pressure sensor 2, and the side surface of the upper top plate a is fixedly provided with a transmission line 05; the bottom plate B comprises a main controller 1, an RS485 interface 3, an analog signal interface 4, a digital signal interface 5, a voice broadcasting device 6 and a power supply interface 7; the intelligent control system comprises a power supply interface 7, an RS485 interface 3, an analog signal interface 4 and a digital signal interface 5, wherein the power supply interface 7, the RS485 interface, the analog signal interface 4 and the digital signal interface 5 are sequentially arranged at the lower end of a bottom plate B, a main controller 1 is arranged in the center of the bottom plate B, a voice broadcasting device 6 is arranged on the right side of the bottom plate B, and a voice broadcasting button 601 is arranged above a voice broadcasting module 6;

specifically, the main controller 1 is connected with an RS485 interface 3, an analog signal interface 4, a digital signal interface 5, a voice broadcasting device 6 and a power supply interface 7, and the RS485 interface 3, the analog signal interface 4, the digital signal interface 5, the voice broadcasting device 6 and the power supply interface 7 are independent;

the pressure sensor 2 is one or more of a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, and in a preferred embodiment, the pressure sensor 2 is a pressure sensor of BP8A type;

in a better embodiment, the upper top plate A and the bottom plate B are fixed together to carry out small-area pressure measurement, and the upper top plate A transmits data measured by the pressure sensor 2 to the main controller 1 through the transmission line 05;

in a preferred embodiment, a plurality of upper top plates a are connected in parallel, and each upper top plate a transmits the data measured by its pressure sensor 2 to the main controller 1 through the transmission line 05;

in a preferred embodiment, the voice broadcasting module is an LD3320 voice recognition module.

Further, the analog signal interface 4 includes an analog signal input port 401 and an analog signal output port 402.

Furthermore, the upper top plate A is an oval top plate, and a first fixing hole 01, a second fixing hole 02, a third fixing hole 03 and a fourth fixing hole 04 are formed in the periphery of the upper top plate A;

specifically, the upper top plate A is an oval top plate with a semi-major axis of 60mm and a semi-minor axis of 40mm, the bottom plate B is a rectangular bottom plate with a length of 125mm and a width of 80mm, the first fixing holes 01 and the third fixing holes 03 are symmetrically distributed at the top end of the oval semi-major axis of the upper top plate A, and the second fixing holes 02 and the fourth fixing holes 04 are symmetrically arranged at the top end of the oval semi-minor circumference of the upper top plate A.

Further, a first mounting hole 011, a second mounting hole 021, a third mounting hole 031 and a fourth mounting hole 041 are arranged around the bottom plate B;

specifically, the first mounting hole 011, the second mounting hole 021, the third mounting hole 031 and the fourth mounting hole 041 arranged around the bottom plate B are matched with the first fixing hole 01, the second fixing hole 02, the third fixing hole 03 and the fourth fixing hole 04 on the upper top plate a, so as to further fix the fixed bottom plate B and the upper top plate a together.

Further, the main controller 1 is an STC90C51 single chip microcomputer.

Further, the above-mentioned fixed connection and fixed mounting are to be understood in a broad sense unless otherwise specifically stated or limited, and may be, for example, welding, gluing, or integrally formed, as is conventional in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The low-noise pressure sensor module is characterized by comprising a bottom plate (B) and an upper top plate (A), wherein the pressure sensor (2) is fixedly installed on the upper top plate (A), and a transmission line (05) is fixedly arranged on the side surface of the upper top plate (A); the bottom plate (B) comprises a main controller (1), an RS485 interface (3), an analog signal interface (4), a digital signal interface (5), a voice broadcasting device (6) and a power supply interface (7); wherein, power supply interface (7), RS485 interface (3) analog signal interface (4) with digital signal interface (5) are installed in proper order the lower extreme of bottom plate (B), main control unit (1) sets up the central authorities of bottom plate (B), voice broadcast device (6) set up the right side of bottom plate (B), the top of voice broadcast device (6) sets up voice broadcast button (601).

2. A low noise pressure sensor module according to claim 1, characterized in that the analog signal interface (4) comprises an analog signal input port (401) and an analog signal output port (402).

3. The low noise pressure sensor module of claim 1, wherein the upper top plate (a) is an oval top plate, and a first fixing hole (01), a second fixing hole (02), a third fixing hole (03) and a fourth fixing hole (04) are formed around the upper top plate (a).

4. The low noise pressure sensor module of claim 1, wherein the bottom plate (B) is provided with a first mounting hole (011), a second mounting hole (021), a third mounting hole (031) and a fourth mounting hole (041) at the periphery thereof.

5. A low noise pressure sensor module according to claim 1, characterized in that the main controller (1) is a STC90C51 single chip microcomputer.