CN211855682U - Anti-blocking type diffused silicon pressure transmitter - Google Patents
Anti-blocking type diffused silicon pressure transmitter Download PDFInfo
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- CN211855682U CN211855682U CN202020063921.3U CN202020063921U CN211855682U CN 211855682 U CN211855682 U CN 211855682U CN 202020063921 U CN202020063921 U CN 202020063921U CN 211855682 U CN211855682 U CN 211855682U
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- pressure transmitter
- transmitter body
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- connecting portion
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Abstract
The utility model relates to the technical field of pressure transmitters, in particular to an anti-blocking diffused silicon pressure transmitter, which comprises a pressure transmitter body; one side of pressure transmitter body is provided with connecting portion, the one end that pressure transmitter body was kept away from to connecting portion is provided with the test entry, all install the pivot on the left and right both sides inner wall of test entry, swing joint has guard flap in the pivot, guard flap keeps away from the one end of pivot and is provided with at least one reset spring, guard flap's one end and the inner wall fixed connection of connecting portion are kept away from to reset spring. The utility model discloses be connected with guard flap through the pivot at the inner wall of pressure transmitter body connecting portion, when cooperation through between guard flap and the reset spring makes the medium pass through connecting portion, reduce and the direct contact of pressure transmitter body, reduce the impurity deposit, improve the accuracy of test.
Description
Technical Field
The utility model relates to a pressure transmitter technical field specifically is a prevent stifled type diffused silicon pressure transmitter.
Background
A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the pressure element sensor into standard electric signals (such as 4-20 mADC and the like) so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation.
The electrical component of the pressure transmitter for sensing pressure is generally a resistance strain gauge, which is a sensitive device for converting the pressure on the measured member into an electrical signal. The resistance strain gauges are most applied to both metal resistance strain gauges and semiconductor strain gauges. The metal resistance strain gauge comprises a wire-shaped strain gauge and a metal foil-shaped strain gauge. Usually, the strain gauge is tightly adhered to the substrate generating mechanical strain through a special adhesive, and when the substrate is stressed and changes in stress, the resistance strain gauge is deformed together, so that the resistance value of the strain gauge is changed, and the voltage applied to the resistor is changed.
Pressure transmitter fixes on the pipeline through threaded connection at the during operation, but sediment in the pipeline is easy in the test pipe deposit when using for a long time, leads to blockking up, and then leads to the test inaccurate, consequently needs regularly to wash, and current cleaning method is to take off and wash then adorn, and cleaning efficiency is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an prevent stifled type diffusion silicon pressure transmitter to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-blocking diffused silicon pressure transmitter comprises a pressure transmitter body; one side of the pressure transmitter body is provided with a connecting part, one end of the connecting part, which is far away from the pressure transmitter body, is provided with a test inlet, the inner walls of the left side and the right side of the test inlet are both provided with a rotating shaft, the rotating shaft is movably connected with a protective baffle, one end of the protective baffle, which is far away from the rotating shaft, is provided with at least one reset spring, and one end of the reset spring, which is far away from the protective baffle, is fixedly connected with the inner wall of; the inner wall of one end of the connecting part, which is far away from the pressure transmitter body, is provided with a threaded connecting structure for connecting an external pipeline; the upper and lower both ends of pressure transmitter body all are provided with water inlet and delivery port, the water inlet passes through inlet tube intercommunication water pump, and the delivery port passes through outlet pipe and water pump intercommunication.
Preferably, a guide plate is arranged on one surface, far away from the inner wall of the connecting part, of the protective baffle, and plays a certain guiding role in guiding media in the connecting part.
Preferably, the thickness of the guide plate is gradually increased from front to back, so that the resistance of the guide plate relative to the medium is reduced.
Preferably, a corrosion-resistant protective gasket is arranged on one surface, far away from the protective baffle, of the guide plate, so that a certain protective effect is achieved on the surface of the guide plate.
Preferably, the one end that connecting portion kept away from the test entry is installed the protection solenoid valve, plays certain guard action to the pressure transmitter diaphragm, reduces the damage to the pressure transmitter diaphragm.
Preferably, the input ends of the water inlet pipe and the water outlet pipe are both provided with control electromagnetic valves.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses be connected with guard flap through the pivot at the inner wall of pressure transmitter body connecting portion, when cooperation through between guard flap and the reset spring makes the medium pass through connecting portion, reduce with the direct contact of pressure transmitter body, reduce impurity deposition, improve the accuracy of test, and the inlet tube of installation on connecting portion and outlet pipe through with the water pump between the cooperation, can regularly wash pressure transmitter body and connecting portion.
Drawings
FIG. 1 is a schematic view of a part of the internal structure of the present invention;
fig. 2 is a front view of the present invention.
In the figure: 1. a pressure transmitter body; 2. a connecting portion; 3. a test inlet; 4. a rotating shaft; 5. a return spring; 6. a protective baffle; 7. a threaded connection; 8. a water inlet pipe; 9. a water pump; 10. a water outlet pipe; 11. a baffle; 12. a protection electromagnetic valve; 13. the solenoid valve is controlled.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: an anti-blocking type diffused silicon pressure transmitter comprises a pressure transmitter body 1; one side of the pressure transmitter body 1 is provided with a connecting part 2, one end of the connecting part 2, which is far away from the pressure transmitter body 1, is provided with a test inlet 3, the inner walls of the left side and the right side of the test inlet 3 are both provided with a rotating shaft 4, the rotating shaft 4 is movably connected with a protective baffle 6, one end of the protective baffle 6, which is far away from the rotating shaft 4, is provided with at least one return spring 5, and one end of the return spring 5, which is far away from the protective baffle 6, is fixedly connected; a threaded connection structure 7 for connecting an external pipeline is arranged on the inner wall of one end of the connecting part 2, which is far away from the pressure transmitter body 1; the upper and lower both ends of pressure transmitter body 1 all are provided with water inlet and delivery port, and the water inlet passes through inlet tube 8 and communicates water pump 9, and the delivery port passes through outlet pipe 10 and water pump 9 intercommunication.
Furthermore, a guide plate 11 is arranged on one surface of the protective baffle 6, which is far away from the inner wall of the connecting part 2.
Further, the thickness of the baffle 11 gradually increases from front to back.
Furthermore, a corrosion-resistant protective gasket is arranged on one surface of the guide plate 11, which is far away from the protective baffle 6.
Further, a protection solenoid valve 12 is installed at one end of the connection part 2 away from the test inlet 3.
Furthermore, the input ends of the water inlet pipe 8 and the water outlet pipe 10 are both provided with a control electromagnetic valve 13.
The working principle is as follows: one side of pressure transmitter body 1 is provided with connecting portion 2, and connecting portion 2 is provided with the threaded connection structure 7 that is used for connecting the outside pipeline on keeping away from the one end inner wall of pressure transmitter body 1, and before pressure transmitter body 1 used, operating personnel can pass through threaded connection 7 and outside pipeline threaded connection on the inner wall of connecting portion 2 to the examination use that awaits measuring.
Under the direction of the external pipeline of the medium that awaits measuring, when getting into connecting portion 2 via test entry 3, medium and guide plate 11 direct contact to 6 pressure productions of guard flap, 6 atresss back of guard flap are under pivot 4 and reset spring 5's cooperation, make guard flap 6 remove to the inner wall direction of connecting portion 2, avoided medium and pressure transmitter body 1 direct contact to a certain extent, on the inner wall of reduction impurity adhesion connecting portion 2, cause connecting portion 2 to block up. When the pressure transmitter body 1 has a certain degree of impurity precipitation, the pressure transmitter body 1 can be washed through the cooperation between the water pump 9 and the water inlet pipe 8, and the sewage after washing is pumped out through the water outlet pipe 10.
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 (6)
1. The utility model provides an anti-blocking type diffusion silicon pressure transmitter which characterized in that: comprises a pressure transmitter body (1); one side of the pressure transmitter body (1) is provided with a connecting part (2), one end, away from the pressure transmitter body (1), of the connecting part (2) is provided with a test inlet (3), the inner walls of the left side and the right side of the test inlet (3) are respectively provided with a rotating shaft (4), the rotating shaft (4) is movably connected with a protective baffle (6), one end, away from the rotating shaft (4), of the protective baffle (6) is provided with at least one reset spring (5), and one end, away from the protective baffle (6), of the reset spring (5) is fixedly connected with the inner wall of the connecting part (2); a threaded connection structure (7) for connecting an external pipeline is arranged on the inner wall of one end of the connecting part (2) far away from the pressure transmitter body (1); the upper and lower both ends of pressure transmitter body (1) all are provided with water inlet and delivery port, the water inlet passes through inlet tube (8) intercommunication water pump (9), and the delivery port passes through outlet pipe (10) and water pump (9) intercommunication.
2. The anti-blocking diffused silicon pressure transmitter of claim 1, wherein: and a guide plate (11) is arranged on one surface of the protective baffle (6) far away from the inner wall of the connecting part (2).
3. The anti-blocking diffused silicon pressure transmitter of claim 2, wherein: the thickness of the guide plate (11) is gradually increased from front to back.
4. The anti-blocking diffused silicon pressure transmitter of claim 2, wherein: and a corrosion-resistant protective gasket is arranged on one surface of the guide plate (11) far away from the protective baffle (6).
5. The anti-blocking diffused silicon pressure transmitter of claim 1, wherein: and a protective electromagnetic valve (12) is installed at one end, far away from the test inlet (3), of the connecting part (2).
6. The anti-blocking diffused silicon pressure transmitter of claim 1, wherein: the input ends of the water inlet pipe (8) and the water outlet pipe (10) are provided with control electromagnetic valves (13).
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CN202020063921.3U CN211855682U (en) | 2020-01-13 | 2020-01-13 | Anti-blocking type diffused silicon pressure transmitter |
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CN202020063921.3U CN211855682U (en) | 2020-01-13 | 2020-01-13 | Anti-blocking type diffused silicon pressure transmitter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117052927A (en) * | 2023-10-08 | 2023-11-14 | 广东润宇传感器股份有限公司 | Electromagnetic valve with built-in pressure transmitter and manufacturing process |
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2020
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117052927A (en) * | 2023-10-08 | 2023-11-14 | 广东润宇传感器股份有限公司 | Electromagnetic valve with built-in pressure transmitter and manufacturing process |
CN117052927B (en) * | 2023-10-08 | 2024-04-30 | 广东润宇传感器股份有限公司 | Electromagnetic valve with built-in pressure transmitter and manufacturing process |
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