CN210774214U

CN210774214U - Pressure transmitter device with filtering capability

Info

Publication number: CN210774214U
Application number: CN201922316466.3U
Authority: CN
Inventors: 杜永春
Original assignee: Zhejiang Zhongdian Automation Technology Co Ltd
Current assignee: Zhejiang Zhongdian Automation Technology Co Ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-06-16
Anticipated expiration: 2029-12-21

Abstract

The utility model belongs to the technical field of the pressure transmitter technique and specifically relates to a pressure transmitter device with filtering capability, including casing, data plate and interior magnetic plate, the internally mounted of casing has the terminal, and the one end of terminal is connected with the circuit board, one side of terminal is fixed with the protecgulum, and the back lid of terminal, the data plate sets up the top of being fixed in the casing through the integral type, the utility model discloses in, through the installing frame that sets up, first filter screen, second filter screen, interior magnetic plate and outer magnetic plate, inside along with the junction that the medium got into connecting pipe mouth and sensor, under the inside and outside magnetism location cooperation of interior magnetic plate and outer magnetic plate, the device uses the installing frame as the braced frame, utilizes first filter screen and second filter screen surface to be the setting that latticed structure respectively, comes to play the filtration of multipolar to the medium that is in the entering state, The screening function effectively avoids the phenomenon that the connection port is blocked due to the accumulation of impurities in the medium.

Description

Pressure transmitter device with filtering capability

Technical Field

The utility model relates to a pressure transmitter technical field specifically is a pressure transmitter device with filtering capability.

Background

The pressure transmitter is a device for converting pressure into pneumatic signal or electric signal to control and remotely transmit, and can convert the physical pressure parameters of gas, liquid and the like sensed by a pressure measuring element sensor into standard electric signals to be supplied to secondary instruments such as an indicating alarm instrument, a recorder, a regulator and the like to carry out measurement, indication and process regulation.

Pressure transmitter on the market is carrying out the during operation, because its whole junction with the pipeline is not equipped with certain filtration, the jam of impurity will disturb the normal operation of whole changer, and the clearance in later stage of being not convenient for, to the phenomenon that the medium takes place to freeze in the testing process simultaneously, whole device also need consider to set up an electrothermal structure, reduces the number of times that the medium appears freezing the phenomenon effectively, consequently, provides a pressure transmitter device with filtering capability to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure transmitter device with filtering capability to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a pressure transmitter device with a filtering function comprises a shell, a nameplate and an internal magnetic plate, wherein a binding post is installed inside the shell, one end of the binding post is connected with a circuit board, a front cover is fixed on one side of the binding post, a rear cover of the binding post is fixed on the top of the shell through an integrated arrangement, a sensor is fixed on the lower portion inside the shell, sealant is arranged at the joint of the sensor and the shell, a connecting pipe orifice is communicated with the bottom of the shell, an installation frame is embedded inside the connecting pipe orifice through an insertion way, a first filter screen is fixed on the top of the installation frame through an integrated arrangement, a second filter screen is arranged under the first filter screen, the internal magnetic plate is arranged at the joint of the installation frame and the sensor, an external magnetic plate is arranged at the joint of the installation frame and the connecting pipe orifice, and an installation sleeve ring is sleeved at the outer end of the connecting pipe orifice, and the inside of the installation lantern ring is embedded with a heating wire, one end of the heating wire is provided with an electrified wire through electric connection, and the inner surface of the heating wire is tightly attached with a protective layer.

Preferably, the vertical central axis of the housing and the vertical central axis of the sensor are coincident with each other, and one end of the sensor and one end of the circuit board are electrically connected.

Preferably, the appearance of installing frame is the distribution of ring annular structure and sets up, and the inside of installing frame is provided with the first filter screen that the surface is latticed structure, be parallel to each other between first filter screen and the second filter screen.

Preferably, one side face of the inner magnetic plate is magnetically attached to one side face of the sensor, the inner magnetic plate is fixedly connected with the mounting frame through welding, an outer magnetic plate in an array structure is arranged on the outer wall of the mounting frame, and one side face of the outer magnetic plate is magnetically attached to the inner surface of the connecting pipe orifice.

Preferably, the connection of the installation lantern ring and the heating wire forms an embedded structure, the connection of the installation lantern ring and the connecting pipe orifice forms a nested structure, and one end of the heating wire is electrically connected with one end of the electrified wire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the installing frame that sets up, first filter screen, the second filter screen, interior magnetic plate and outer magnetic plate, along with inside the medium gets into the junction of connecting pipe orifice and sensor, under the inside and outside magnetism location cooperation of interior magnetic plate and outer magnetic plate, the device uses the installing frame as the support chassis, utilize first filter screen and second filter screen surface to be the setting of latticed structure respectively, come to play the effect of multipolar filtration, screening to the medium that is in the entering state, avoid effectively because of the pile up of impurity in the medium, the phenomenon that the connection port that causes takes place to block up;

2. the utility model discloses in, through the installation lantern ring that sets up, heater strip and connecting pipe orifice, along with the device utilization mode that cup joints, cup joint the installation lantern ring in connecting pipe orifice's outer end, when whole device is in the on state, the device is the electric heat component with the heater strip when being in the on state, under the isolation cooperation of protective layer, utilize the thermal diffusion around the heater strip when itself is in operating condition, come to carry out the thermal treatment to the medium that gets into connecting pipe orifice's inside, reduce effectively and surveyed the number of times that the piece takes place to freeze the phenomenon, guarantee the accuracy nature of whole detected data.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the mounting frame of the present invention;

fig. 3 is a schematic view of the installation collar structure of the present invention.

In the figure: 1-shell, 2-binding post, 3-circuit board, 4-front cover, 5-rear cover, 6-nameplate, 7-sensor, 8-sealant, 9-connecting pipe orifice, 10-mounting frame, 11-first filter screen, 12-second filter screen, 13-internal magnetic plate, 14-external magnetic plate, 15-mounting lantern ring, 16-heating wire, 17-electrified wire and 18-protective layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a pressure transmitter device with a filtering function comprises a shell 1, a nameplate 6 and an inner magnetic plate 13, wherein a binding post 2 is installed inside the shell 1, one end of the binding post 2 is connected with a circuit board 3, a front cover 4 is fixed on one side of the binding post 2, a rear cover 5 of the binding post 2 is fixed on the rear cover, the nameplate 6 is fixed on the top of the shell 1 through integral arrangement, a sensor 7 is fixed on the inner lower portion of the shell 1, sealant 8 is arranged at the joint of the sensor 7 and the shell 1, a connecting pipe opening 9 is communicated with the bottom of the shell 1, a mounting frame 10 is embedded inside the connecting pipe opening 9 through insertion, a first filter screen 11 is fixedly arranged on the top of the mounting frame 10 through integral arrangement, a second filter screen 12 is arranged under the first filter screen 11, the inner magnetic plate 13 is arranged at the joint of the mounting frame 10 and the sensor 7, and installing frame 10 and the junction of connecting pipe orifice 9 are provided with outer magnetic plate 14, the outer end of connecting pipe orifice 9 has cup jointed the installation lantern ring 15, and the inside of the installation lantern ring 15 is embedded to have heater strip 16, the one end of heater strip 16 is provided with circular telegram wire 17 through electric connection, and the internal surface of heater strip 16 hugs closely protective layer 18, and protective layer 18 for the glass fiber material itself is when setting up in heater strip 16 and connecting pipe orifice 9's junction, according to the nature that the glass fiber material has, when the setting of protective layer 18 played the isolation in being connected between heater strip 16 and connecting pipe orifice 9, also avoided being in the heater strip 16 under the high temperature state and the scalding damage that causes it when with connecting pipe orifice 9 direct contact.

The vertical central axis of the shell 1 and the vertical central axis of the sensor 7 are mutually overlapped, one end of the sensor 7 is electrically connected with one end of the circuit board 3, a corresponding pipeline is communicated with a communication port of the device before a worker detects a medium, when the whole device is in the adjusted working state, the medium to be detected enters the joint of the connecting pipe orifice 9 and the sensor 7 by the connection of the pipeline, the device takes a sensor 7 as a pressure detection component, after the sensor 7 detects the pressure value inside the medium, the pressure on the tested piece can be converted into an electrical signal and sent to the circuit board 3 embedded with a control chip in the tested piece, the control chip drives the starting of the display component to display the detected pressure data so as to realize the whole pressure detection operation, the working principle of the pressure transmitter of WIDEPLUS-K1 series related to the structure is the prior art; the appearance of the mounting frame 10 is distributed in a circular ring structure, the first filter screen 11 with a latticed structure on the surface is arranged in the mounting frame 10, the first filter screen 11 and the second filter screen 12 are parallel to each other, along with the fact that media enter the inside of the joint of the connecting pipe opening 9 and the sensor 7, under the positioning fit of the inner magnetism and the outer magnetism of the inner magnetic plate 13 and the outer magnetic plate 14, the device takes the mounting frame 10 as a supporting framework, and the multi-polarization filtering and screening effects are achieved on the media in an entering state by utilizing the arrangement that the surfaces of the first filter screen 11 and the second filter screen 12 are respectively in the latticed structure; one side surface of the internal magnetic plate 13 is magnetically attached to one side surface of the sensor 7, the internal magnetic plate 13 is fixedly connected with the mounting frame 10 through welding, the outer wall of the mounting frame 10 is provided with external magnetic plates 14 in an array structure, one side surface of each external magnetic plate 14 is magnetically attached to the inner surface of the connecting pipe orifice 9, after the device is embedded in the connection position of the connecting pipe orifice 9 and the sensor 7 by the installation frame 10 which is in an annular structure by a corresponding traction tool and by utilizing the shape-matched arrangement, at the moment, the inner magnetic plate 13 and the outer magnetic plate 14 which are both made of magnet materials can be sequentially magnetically attached to the outer wall of the sensor 7 and the inner wall of the connecting pipe orifice 9 by utilizing the properties of the inner magnetic plate and the outer magnetic plate, the device has the advantages that the magnetic attaching structure is used for playing a role in magnetic positioning on the whole embedded filter structure, and the later-stage filter operation is guaranteed to be smoother; the connection of the installation lantern ring 15 and the heating wire 16 forms an embedded structure, the connection of the installation lantern ring 15 and the connecting pipe orifice 9 forms a nested structure, one end of the heating wire 16 and one end of the electrified conducting wire 17 are electrically connected, when the tested piece is easy to freeze due to temperature factors, the installation lantern ring 15 is sleeved at the outer end of the connecting pipe orifice 9 in a sleeved mode along with the device, one end of the connecting pipe orifice 9 is connected with a corresponding power supply component, when the whole device is in an electrified state, the heating wire 16 in the electrified state is used as an electric heating component of the device, under the isolation and matching of a protective layer 18, the medium entering the inside of the connecting pipe orifice 9 is heated by utilizing the diffusion of heat around the heating wire 16 in a working state, and the structure enables the whole device to have an electric heating structure, by heating the tested piece, the times of freezing of the tested piece can be effectively reduced, and the accuracy of the whole detection data is guaranteed.

The working process is as follows: when a medium to be detected enters a joint of the connecting pipe opening 9 and the sensor 7 by means of the connection of a pipeline, at the moment, under the positioning and matching of the inner magnetism and the outer magnetism of the inner magnetic plate 13 and the outer magnetic plate 14, the device takes the mounting frame 10 as a supporting framework, and utilizes the arrangement that the surfaces of the first filter screen 11 and the second filter screen 12 respectively form a grid structure to play a role of multi-polarization filtering and screening on the medium in an entering state, and then the device takes the sensor 7 as a pressure detection component, after the pressure value in the medium is detected by the sensor 7, the pressure on the detected component can be converted into an electrical signal to be sent to the circuit board 3 embedded with a control chip in the device, the control chip drives the starting of a display component to display the detected pressure data to realize the whole pressure detection operation, and along with the sleeving manner, the mounting lantern ring 15 is sleeved at the outer end of the connecting pipe orifice 9, one end of the connecting pipe orifice 9 is connected with a corresponding power supply component, when the whole device is in a power-on state, the device takes the heating wire 16 in the power-on state as an electric heating component, and under the isolation and matching of the protective layer 18, the medium entering the inside of the connecting pipe orifice 9 is heated by utilizing the diffusion of heat around the heating wire 16 in the working state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure transmitter device with filtering capability, includes casing (1), data plate (6) and interior magnetic plate (13), its characterized in that: the sensor comprises a shell (1), a binding post (2) is installed inside the shell (1), a circuit board (3) is connected to one end of the binding post (2), a front cover (4) is fixed to one side of the binding post (2), a rear cover (5) of the binding post (2) is fixed to the top of the shell (1), a sensor (7) is fixed to the lower portion of the inside of the shell (1), sealant (8) is arranged at the joint of the sensor (7) and the shell (1), a connecting pipe orifice (9) is communicated with the bottom of the shell (1), an installation frame (10) is embedded into the connecting pipe orifice (9) in an inserting mode, a first filter screen (11) is fixed to the top of the installation frame (10) in an integrated mode, a second filter screen (12) is arranged under the first filter screen (11), an inner magnetic plate (13) is arranged at the joint of the installation frame (10) and the sensor (7), and the junction of installing frame (10) and connecting pipe orifice (9) is provided with outer magnetic plate (14), the outer end of connecting pipe orifice (9) has cup jointed installation lantern ring (15), and the inside of installation lantern ring (15) is embedded to have heater strip (16), the one end of heater strip (16) is provided with circular telegram wire (17) through electric connection, and the internal surface of heater strip (16) hugs closely has protective layer (18).

2. The pressure transmitter device with filtering function according to claim 1, characterized in that: the vertical central axis of the shell (1) and the vertical central axis of the sensor (7) are mutually overlapped, and one end of the sensor (7) is electrically connected with one end of the circuit board (3).

3. The pressure transmitter device with filtering function according to claim 1, characterized in that: the appearance of installing frame (10) is ring shape structure distribution and sets up, and the inside of installing frame (10) is provided with first filter screen (11) that the surface is latticed structure, be parallel to each other between first filter screen (11) and second filter screen (12).

4. The pressure transmitter device with filtering function according to claim 1, characterized in that: the sensor is characterized in that one side face of the inner magnetic plate (13) is magnetically attached to one side face of the sensor (7), the inner magnetic plate (13) is fixedly connected with the mounting frame (10) through welding, the outer wall of the mounting frame (10) is provided with outer magnetic plates (14) in an array structure, and one side face of each outer magnetic plate (14) is magnetically attached to the inner surface of the connecting pipe orifice (9).

5. The pressure transmitter device with filtering function according to claim 1, characterized in that: the connection of installation lantern ring (15) and heater strip (16) constitutes embedded structure, and the connection of installation lantern ring (15) and connecting pipe mouth (9) constitutes nested structure, electric connection between the one end of heater strip (16) and the one end of circular telegram wire (17).