Corrosion-resistant pressure transmitter

Abstract

A corrosion-resistant pressure transmitter comprises a detection base body, a cylinder body is fixedly installed at the upper end of the detection base body, the end of the cylinder body is fixedly connected with a digital display meter head, a detection cavity is formed in the center of the wall body of the detection base body, a ceramic capacitor core body is fixedly arranged in the detection cavity, and the detection face of the ceramic capacitor core body faces downwards. The lower end of the detection base body is in threaded connection with the process connection; the ceramic capacitor core body is arranged in the detection base body, the ceramic capacitor core body can guarantee accurate pressure measurement and has high corrosion resistance, the ceramic capacitor core body and the ceramic capacitor core body are combined, the corrosion resistance is guaranteed while tiny pressure measurement is guaranteed, the service life of a product is prolonged, meanwhile, the structure is simple, operation is convenient, and cost is low. And the pressure value of the fluid can be observed at any time accurately and quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pressure sensor field especially a kind of corrosion-resistant pressure transmitter. BACKGROUND

[0002] Pressure sensor is the device or device that can feel pressure signal and can be converted into usable output electric signal according to certain law;

[0003] At present, the mainstream pressure sensor is one kind of diffusion silicon pressure transmitter, diffusion silicon pressure transmitter can measure small pressure, and accurate, but not corrosion resistant, another is ceramic piezoresistance form, the pressure transmitter of this form can resist corrosion, but the precision is not enough when measuring small pressure, based on the current situation, a new pressure transmitter is needed, which is corrosion resistant and can measure small pressure with high precision. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of corrosion-resistant pressure transmitter to solve the problems raised in the above background.

[0005] The utility model solves its technical problem and is realized by the following technical scheme:

[0006] A kind of corrosion-resistant pressure transmitter, including detection base body, the detection base body upper end fixed mounting cylinder, the cylinder end fixed connection digital display meter head, the detection base body wall center position is equipped with detection cavity, the detection cavity is fixed with ceramic capacitor core body, the detection surface direction of the ceramic capacitor core body is downward, the detection base body lower end is connected with process connection thread, the detection cavity and the process connection thread inside are communicated by passage, the cylinder interior is equipped with circuit board, the input end of the circuit board is connected with the ceramic capacitor core body by wire, the output end of the circuit board is connected with digital display meter head by wire, data collected by the ceramic capacitor core body is converted to display on display meter head (12) by circuit board (15), still can be carried out signal output by (14) Hesman plug.

[0007] As preferred, the upper end of the digital display meter head is connected with the Hesman plug.

[0008] As preferred, the Hesman plug is connected with external equipment by wire.

[0009] As preferred, the process connection thread, the detection base body, the cylinder material can be tetrafluoroethylene or stainless steel.

[0010] The utility model has the advantages and positive effects that:

[0011] 1. The utility model discloses a ceramic capacitor core body is equipped with in the detection base body, the ceramic capacitor core body can guarantee the pressure measurement accurate at the same time, and has very strong corrosion resistance, the equipment combines the both, guarantees the corrosion resistance when guaranteeing the measurement tiny pressure, improves the service life of product, simultaneously, simple structure convenient operation can observe the pressure value of fluid at any time, accurate and fast. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings and examples.

[0013] Figure 1 It is the main view structural schematic diagram of a whole corrosion -resistant pressure transmitter of the utility model;

[0014] Figure 2 It is the utility model Figure 1 The inside sectional view of device;

[0015] Figure 3 It is the utility model Figure 2 The enlarged structure schematic diagram of A place in it.

[0016] The marks in the drawings are described as follows: 10, detection base body; 11, cylinder; 12, digital display head; 13, process connecting thread; 14, Hesman plug; 15, circuit board; 16, ceramic capacitor core body; 17, detection cavity; 18, passageway. DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with the drawings and examples.

[0018] The utility model will be further described below in combination with the drawings and examples. Figures 1-2 The utility model will be further described below in combination with the drawings and examples, wherein, for the convenience of narration, now the direction that the following text said is defined as follows: the up-down-left-right front-back direction of following text said is identical with the up-down-left-right front-back direction of the view direction, Figure 1 The direction of the view direction, Figure 1 It is the front view of the utility model device, Figure 1 The direction shown in the drawing is identical with the up-down-left-right front-back direction of the front view direction of the utility model device.

[0019] The utility model embodiment will be further described below in combination with the drawings:

[0020] Please refer to Figures 1-2The utility model provides an embodiment: a kind of corrosion-resistant pressure transmitter, including detection matrix 10, the detection matrix 10 upper end fixed mounting cylinder 11, the cylinder 11 end fixedly connected with digital display meter head 12, the detection matrix 10 wall center position is equipped with detection cavity 17, ceramic capacitor core 16 is fixedly equipped in the detection cavity 17, the detection face direction of the ceramic capacitor core 16 is downward, the detection matrix 10 lower end is connected with process connection thread 13, the detection cavity 17 with process connection thread 13 inside is communicated by passage 18, the cylinder 11 inside is equipped with circuit board 15, the input end of circuit board 15 is connected with ceramic capacitor core 16 by wire, the output end of circuit board 15 is connected with digital display meter head 12 by wire, the data collected by ceramic capacitor core 16 is converted to display on display meter head 12 by circuit board 15, still can be signal output by 14 Hesman plug.

[0021] In addition, in an embodiment, the digital display meter head 12 upper end is connected with the Hesman plug 14.

[0022] In addition, in an embodiment, the Hesman plug 14 is connected with external equipment by wire.

[0023] In addition, in an embodiment, the process connection thread 13, the detection matrix 10, the cylinder 11 material can be tetrafluoroethylene or stainless steel.

[0024] Specific implementation: the equipment is connected with the equipment to be detected by process connection thread 13, when the fluid to be detected in the equipment to be detected passes through the inside of process connection thread 13, then enters the inside of detection cavity 17 through passage 18, fluid contacts with the detection face of ceramic capacitor core 16, to accurately judge the pressure of fluid, then the collected data is transmitted to circuit board 15, circuit board 15 is handled and accurately pressure value is displayed through digital display meter head 12, ceramic capacitor core 16 is arranged in the detection matrix 10, ceramic capacitor core 16 can ensure the accuracy of pressure measurement while having strong corrosion resistance, breaking the situation that previous products cannot combine corrosion resistance and accurate measurement of small pressure value, the equipment combines the two, ensures the measurement of small pressure while ensuring corrosion resistance, improves the service life of product.

[0025] It needs to be emphasized that the embodiment of the utility model is illustrative, rather than limiting, thus the utility model is not limited to the embodiment described in the specific embodiment, and other embodiments derived by the person skilled in the art according to the technical scheme of the utility model also belong to the protection scope of the utility model.

Claims

1. A corrosion resistant pressure transmitter comprising a sensing body (10), characterized by: The detection base body (10) is fixedly installed with a cylinder body (11) at the upper end, the cylinder body (11) is fixedly connected with a digital display meter head (12) at the end, a detection cavity (17) is arranged at the central position of the wall body of the detection base body (10), a ceramic capacitor core body (16) is fixedly arranged in the detection cavity (17), the detection surface of the ceramic capacitor core body (16) faces downward, the lower end of the detection base body (10) is connected with a process connection thread (13), the detection cavity (17) and the inside of the process connection thread (13) are communicated through a channel (18), the inside of the cylinder body (11) is provided with a circuit board (15), the input end of the circuit board (15) is connected with the ceramic capacitor core body (16) through a wire, the output end of the circuit board (15) is connected with the digital display meter head (12) through a wire, the data collected by the ceramic capacitor core body (16) is converted to the digital display meter head (12) through the circuit board (15) and is displayed, and the signal output can also be realized through a Hesman plug (14).

2. A corrosion resistant pressure transmitter according to claim 1, wherein: The upper end of the digital display meter head (12) is connected with the Hesman plug (14).

3. A corrosion resistant pressure transmitter according to claim 2, wherein: The Hesman plug (14) is connected with external equipment through a wire.

4. The corrosion resistant pressure transmitter of claim 1, wherein: The material of the process connection thread (13), the detection base body (10) and the cylinder body (11) can be tetrafluoroethylene or stainless steel.

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