CN216116449U - Pressure sensor with standard 4-20mA two-wire system current output - Google Patents
Pressure sensor with standard 4-20mA two-wire system current output Download PDFInfo
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- CN216116449U CN216116449U CN202121776374.4U CN202121776374U CN216116449U CN 216116449 U CN216116449 U CN 216116449U CN 202121776374 U CN202121776374 U CN 202121776374U CN 216116449 U CN216116449 U CN 216116449U
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Abstract
The utility model provides a standard 4-20mA two-wire system current output pressure sensor. The standard 4-20mA two-wire current output pressure sensor comprises: a pressure sensor body; the fixing ring is fixedly connected to the top of the pressure sensor body, and two sides of the inner surface of the fixing ring are provided with annular grooves; a cleaning assembly slidably connected to the interior of the annular groove; the spring, spring fixed connection in clean one side of subassembly, the one end of spring with one side fixed connection of solid fixed ring internal surface. According to the utility model, the cleaning assembly, the driving assembly and the like are arranged at the display screen of the pressure sensor body, and the driving assembly can be matched with the spring after being started to drive the cleaning assembly to clean the surface of the pressure sensor body, so that water mist or dust fall is avoided, and the influence on the normal reading of the numerical value of the pressure sensor body by a worker is avoided.
Description
Technical Field
The utility model relates to the field of pressure sensors, in particular to a standard 4-20mA two-wire system current output pressure sensor.
Background
The two-wire pressure sensor is characterized in that only two wires are used for connecting the field transmitter and a control room instrument, and the two wires are power wires and signal wires.
The existing two-wire pressure sensor is widely applied to occasions such as large transmission distance, explosion prevention and the like, but is applied to other occasions according to the old situation, wherein some two-wire pressure sensors are provided with instrument panels, and the two-wire pressure sensors are convenient for workers to read numerical values in the using process.
However, if these two-wire pressure sensors with an instrument panel are used in a small space, moisture may condense on the outer surface of the instrument panel during a rapid cooling and heating process, which makes it inconvenient for workers to clean the instrument panel, and thus affects the reading of the workers.
Therefore, there is a need to provide a standard 4-20mA two-wire current output pressure sensor that solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a standard 4-20mA two-wire system current output pressure sensor, which solves the problem that the reading of workers is influenced by water vapor condensation in a quenching and sudden heating process of the conventional two-wire system pressure sensor.
In order to solve the above technical problem, the pressure sensor with standard 4-20mA two-wire current output provided by the utility model comprises: a pressure sensor body;
the fixing ring is fixedly connected to the top of the pressure sensor body, and two sides of the inner surface of the fixing ring are provided with annular grooves;
a cleaning assembly slidably connected to the interior of the annular groove;
the spring is fixedly connected to one side of the cleaning assembly, and one end of the spring is fixedly connected with one side of the inner surface of the fixing ring;
and the cable is fixedly arranged on one side of the outer surface of the pressure sensor body.
Through set up solid fixed ring, clean subassembly and drive assembly etc. in the display screen department of pressure sensor body, drive assembly after the start, alright and spring cooperation drive clean subassembly and clean the surface of pressure sensor body, avoid leading to pressure sensor body display screen department to play water smoke under the suddenly hot condition of quenching, or use the dust fall for a long time, influence the staff and normally read pressure sensor body numerical value.
Preferably, the cleaning assembly comprises a first connecting rod and a second connecting rod, the bottom of the second connecting rod is provided with a connecting groove, and one end of the first connecting rod extends to the inside of the connecting groove.
Preferably, the bottom of the first connecting rod and the bottom of the second connecting rod are both fixedly provided with sponge blocks, and the bottoms of the sponge blocks are in contact with the surface of the pressure sensor body.
Preferably, one side of the outer surface of the pressure sensor body is fixedly connected with a fixing plate, and a driving assembly is fixedly mounted at the top of the fixing plate.
Preferably, the drive assembly comprises a motor, one end of the output shaft of the motor is fixedly connected with a rotating shaft through a coupler, and the top end of the rotating shaft is fixedly connected with a winding roller.
Preferably, the surface of wind-up roll is provided with the connection rope, the both ends of connecting the rope all run through solid fixed ring and with one side fixed mounting of second connecting rod surface.
Preferably, the surface cover of cable is equipped with the snap ring, the first connecting band of one side fixedly connected with of snap ring surface, one side fixed mounting of first connecting band has the arc ring.
Preferably, the opposite side of first connecting band is provided with first magic subsides, the one end fixedly connected with second connecting band of first connecting band, the bottom of second connecting band one side is provided with second magic subsides.
Through establishing the snap ring at cable surface cover, the arc ring can be folded the cable and place, rethread second magic subsides stick with first magic subsides stick together afterwards, alright carry out the rolling to the cable, avoid the cable overlength, the cable rubs when leading to using and damages on the ground, influences the normal use of pressure sensor body.
Compared with the related art, the standard 4-20mA two-wire system current output pressure sensor provided by the utility model has the following beneficial effects:
the utility model provides a standard 4-20mA two-wire system current output pressure sensor, which is characterized in that a fixing ring, a cleaning component, a driving component and the like are arranged at the position of a display screen of a pressure sensor body, and the driving component can be matched with a spring after being started to drive the cleaning component to clean the surface of the pressure sensor body, so that the phenomenon that water mist is generated at the position of the display screen of the pressure sensor body or dust falls off after long-time use under the condition of shock cooling and sudden heating to influence a worker to normally read the numerical value of the pressure sensor body is avoided.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a standard 4-20mA two-wire current output pressure sensor provided by the present invention;
FIG. 2 is a schematic view of the cleaning assembly shown in FIG. 1;
FIG. 3 is a side view of the outer structure shown in FIG. 1;
FIG. 4 is a schematic diagram of a second embodiment of a standard 4-20mA two-wire current output pressure sensor provided in accordance with the present invention;
fig. 5 is a schematic structural view of the snap ring shown in fig. 4.
Reference numbers in the figures: 1. a pressure sensor body, 2, a fixed ring, 3, an annular groove,
4. a cleaning component 41, a first connecting rod 42, a second connecting rod 43, a connecting groove 44, a sponge block,
5. a spring 6, a cable 7 and a fixing plate,
8. a driving component 81, a motor 82, a rotating shaft 83, a winding roller 84 and a connecting rope,
9. snap ring, 10, first connecting band, 11, arc ring, 12, first magic subsides, 13, second connecting band, 14, second magic subsides.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a pressure sensor with a standard 4-20mA two-wire current output according to a first embodiment of the present invention; FIG. 2 is a schematic view of the cleaning assembly shown in FIG. 1; fig. 3 is a side view of the outer structure shown in fig. 1. A standard 4-20mA two-wire current output pressure sensor includes: a pressure sensor body 1;
the fixing ring 2 is fixedly connected to the top of the pressure sensor body 1, and two sides of the inner surface of the fixing ring 2 are provided with annular grooves 3;
a cleaning assembly 4, wherein the cleaning assembly 4 is slidably connected to the inside of the annular groove 3;
the spring 5 is fixedly connected to one side of the cleaning assembly 4, and one end of the spring 5 is fixedly connected with one side of the inner surface of the fixing ring 2;
and the cable 6 is fixedly arranged on one side of the outer surface of the pressure sensor body 1.
Pressure sensor body 1 is standard 4-20mA, 0-5V's two-wire system pressure sensor, have intelligent display screen, gu fixed ring 2 fixes at pressure sensor body 1 top, the quantity of ring channel 3 is 2, with clean 4 size adaptations of subassembly, make things convenient for clean subassembly 4 to remove in inside, clean subassembly 4 can clean pressure sensor body 1's display screen department, influence the staff's reading after avoiding the steam condensation, spring 5 is extension spring, good elasticity has, the one end of cable 6 is installed together with one side of pressure sensor body 1 surface, the link is provided with sealing device and prevents water.
The cleaning component 4 of the cleaning component 1 comprises a first connecting rod 41 and a second connecting rod 42, the bottom of the second connecting rod 42 is provided with a connecting groove 43, and one end of the first connecting rod 41 extends to the inside of the connecting groove 43.
Both ends of the first connecting rod 41 extend to the inside of the two second connecting rods 42 and are slidable along the connecting grooves 43 inside the two second connecting rods 42, and the bottoms of the connecting grooves 43 communicate with the outside.
One side fixedly connected with fixed plate 7 of pressure sensor body 1 surface, the top fixed mounting of fixed plate 7 has drive assembly 8.
The fixed plate 7 is installed on one side of the outer surface of the pressure sensor body 1 and provides support for the driving assembly 8, and the driving assembly 8 can drive the cleaning assembly 4 to automatically clean the display screen of the pressure sensor body 1.
The motor 81 is connected with the power supply inside the pressure sensor body 1 through a power line, can rotate forward and backward, and is controlled by an external control switch, and the winding roller 83 is provided with the top end of the rotating shaft 82.
The surface of wind-up roll 83 is provided with connects rope 84, the both ends of connecting rope 84 all run through gu fixed ring 2 and with one side fixed mounting of second connecting rod 42 surface.
The middle of the connecting rope 84 is fixed on the surface of the winding roller 83, and the two ends of the connecting rope are respectively connected with one side of the outer surfaces of the two second connecting rods 42, so that the connecting rope can move in the same direction during winding.
The working principle of the standard 4-20mA two-wire system current output pressure sensor provided by the utility model is as follows:
in the long-time working process of the pressure sensor body 1, dust falls on the display screen, and water vapor condensation can also occur outside the display screen due to the surface of the temperature.
If the staff need read the numerical value of pressure sensor body 1, the staff alright through the work of controller control motor 81, motor 81 drives wind-up roll 83 through pivot 82 and rotates to make the shrink of connecting rope 84, drive clean subassembly 4 and remove.
In the process that the cleaning assembly 4 moves along the annular groove 3, due to the limitation of the annular groove 3, the two second connecting rods 42 move towards two sides, the first connecting rod 41 moves out of the connecting groove 43, and the sponge block 44 at the bottom of the first connecting rod 41 and the second connecting rod 42 wipes the display screen of the pressure sensor body 1.
After the motor rotates a certain angle, the motor can rotate reversely, the spring 5 in the stretching state needs to recover the deformation, and the cleaning component 4 can be pulled to one side, so that the cleaning component 4 returns to the original position.
Compared with the related art, the standard 4-20mA two-wire system current output pressure sensor provided by the utility model has the following beneficial effects:
through set up solid fixed ring 2, clean subassembly 4 and drive assembly 8 etc. in pressure sensor body 1's display screen department, drive assembly 8 after the start-up, alright and spring 5 cooperation drive clean subassembly 4 and clean pressure sensor body 1's surface, avoid leading to pressure sensor body 1 display screen department to play water smoke under the suddenly hot condition of quenching, or use the dust fall for a long time, influence the staff and normally read pressure sensor body 1 numerical value.
Second embodiment
Referring to fig. 4 and 5 in combination, a second embodiment of the present application provides another standard 4-20mA two-wire current output pressure sensor based on the standard 4-20mA two-wire current output pressure sensor provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the pressure sensor with the standard 4-20mA two-wire system current output provided by the second embodiment of the present application is different in that a snap ring 9 is sleeved on the surface of the cable 6, a first connecting belt 10 is fixedly connected to one side of the outer surface of the snap ring 9, and an arc-shaped ring 11 is fixedly mounted to one side of the first connecting belt 10.
The snap ring 9 is blocked on the surface of the cable 6, the first connecting belt 10 has certain elasticity and can be bent, and the arc-shaped ring 11 is uniformly installed inside the first connecting belt 10 and can clamp the cable 6.
The opposite side of first connecting band 10 is provided with first magic subsides 12, the one end fixedly connected with second connecting band 13 of first connecting band 10, the bottom of second connecting band 13 one side is provided with second magic subsides 14.
The first magic tape 12 is adhered to one side of the first connecting belt 10, one end of the second connecting belt 13 is adhered to one end of the first connecting belt 10, and the second magic tape 14 can be adhered to the first magic tape 12, so that the cable 6 can be wound and the like.
The working principle of the standard 4-20mA two-wire system current output pressure sensor provided by the utility model is as follows:
the pressure sensor body 1 can evenly and orderly bend and place the cables 6 in the arc-shaped rings 11 in the process of carrying or using.
After the cable 6 is placed evenly, the first connecting belt 10 can be bent, the first connecting belt 10 is spirally wound together, and the second magic tape 14 and the first magic tape 12 are adhered together.
Compared with the related art, the standard 4-20mA two-wire system current output pressure sensor provided by the utility model has the following beneficial effects:
through establishing snap ring 9 at 6 surface cover of cable, arc ring 11 can be folded cable 6 and place, rethread second magic subsides 14 with first magic subsides 12 adhesions together, alright carry out the rolling to cable 6, avoid 6 overlengths of cable, cable 6 rubs when leading to using and damages on the ground, influences pressure sensor body 1's normal use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A standard 4-20mA two-wire current output pressure sensor, comprising:
a pressure sensor body;
the fixing ring is fixedly connected to the top of the pressure sensor body, and two sides of the inner surface of the fixing ring are provided with annular grooves;
a cleaning assembly slidably connected to the interior of the annular groove;
the spring is fixedly connected to one side of the cleaning assembly, and one end of the spring is fixedly connected with one side of the inner surface of the fixing ring;
and the cable is fixedly arranged on one side of the outer surface of the pressure sensor body.
2. The standard 4-20mA two-wire current output pressure sensor of claim 1, wherein the cleaning assembly comprises a first connecting rod and a second connecting rod, the second connecting rod having a connecting slot opened at a bottom thereof, one end of the first connecting rod extending to an inside of the connecting slot.
3. The standard 4-20mA two-wire current output pressure sensor according to claim 2, wherein a sponge block is fixedly mounted at the bottom of each of the first connecting rod and the second connecting rod, and the bottom of the sponge block is in contact with the surface of the pressure sensor body.
4. The standard 4-20mA two-wire current output pressure sensor according to claim 3, wherein a fixing plate is fixedly connected to one side of the outer surface of the pressure sensor body, and a driving assembly is fixedly mounted on the top of the fixing plate.
5. The standard 4-20mA two-wire current output pressure sensor according to claim 4, wherein the driving assembly comprises a motor, one end of an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, and the top end of the rotating shaft is fixedly connected with a winding roller.
6. The standard 4-20mA two-wire current output pressure sensor according to claim 5, wherein a connection rope is arranged on the surface of the winding roller, and both ends of the connection rope penetrate through the fixing ring and are fixedly installed on one side of the outer surface of the second connecting rod.
7. The standard 4-20mA two-wire system current output pressure sensor according to claim 1, wherein a snap ring is sleeved on the surface of the cable, a first connecting belt is fixedly connected to one side of the outer surface of the snap ring, and an arc-shaped ring is fixedly arranged on one side of the first connecting belt.
8. The standard 4-20mA two-wire current output pressure sensor according to claim 7, wherein a first magic tape is arranged on the other side of the first connecting belt, a second connecting belt is fixedly connected to one end of the first connecting belt, and a second magic tape is arranged on the bottom of one side of the second connecting belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121776374.4U CN216116449U (en) | 2021-07-30 | 2021-07-30 | Pressure sensor with standard 4-20mA two-wire system current output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121776374.4U CN216116449U (en) | 2021-07-30 | 2021-07-30 | Pressure sensor with standard 4-20mA two-wire system current output |
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| Publication Number | Publication Date |
|---|---|
| CN216116449U true CN216116449U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121776374.4U Active CN216116449U (en) | 2021-07-30 | 2021-07-30 | Pressure sensor with standard 4-20mA two-wire system current output |
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| CN (1) | CN216116449U (en) |
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- 2021-07-30 CN CN202121776374.4U patent/CN216116449U/en active Active
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