CN211178803U - Pressure transmitter with safety protection - Google Patents
Pressure transmitter with safety protection Download PDFInfo
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- CN211178803U CN211178803U CN201922312640.7U CN201922312640U CN211178803U CN 211178803 U CN211178803 U CN 211178803U CN 201922312640 U CN201922312640 U CN 201922312640U CN 211178803 U CN211178803 U CN 211178803U
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- safety protection
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Abstract
The utility model relates to the technical field of pressure transmitters, in particular to a pressure transmitter with safety protection, which comprises a pressure transmitter main body and an end cover, wherein the outer side of the pressure transmitter main body is fixedly connected with a heat dissipation shell, the upper side of the pressure transmitter main body is provided with a vertically arranged fixed shell, the inner side of the fixed shell is fixedly connected with a horizontally arranged fixed rod, the bottom end of the fixed rod is fixedly connected with a fan, the inner side of the fixed shell is fixedly connected with a support ring, the top end of the support ring is provided with a filter screen, and the top end of the filter screen is provided with a compression ring, in the utility model, when a person rotates the screw outwards through the arranged compression rod, the connection shell, the connection rod, the fixed block, the screw and the like, a raised head can move under the action of the connection rod and a second spring, and, then the alarm can report to the outside, reminds the staff in time to handle, plays the effect of carrying out safety protection to this device.
Description
Technical Field
The utility model relates to a pressure transmitter technical field specifically is a pressure transmitter with safety protection.
Background
The pressure transmitter in general sense mainly comprises a load cell sensor, a pressure sensor, a measuring circuit and a process connecting piece, and can convert physical pressure parameters of gas, liquid and the like sensed by the load cell sensor into standard electric signals, such as 4-20mADC and the like, so as to be supplied to secondary instruments such as an indicating alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation.
Most simple structure of pressure transmitter that appears in the existing market, the function is single, general pressure transmitter does not have safety device, can suffer the phenomenon that other personnel dismantled the end cover and destroy when using, the holistic security of pressure transmitter has been reduced, and pressure transmitter surface phenomenon that the high temperature can not appear when using, also can influence pressure transmitter's result of use if the high surface temperature is too high, and cause the damage to pressure transmitter easily, current can not carry out real-time supervision to the temperature on pressure transmitter surface, and cool down the temperature on pressure transmitter's surface fast, can not play high temperature protection's effect, therefore, propose a pressure transmitter who has safety protection to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure transmitter with safety protection 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 with safety protection comprises a pressure transmitter main body and an end cover, wherein a heat dissipation shell is fixedly connected to the outer side of the pressure transmitter main body, a vertically arranged fixing shell is arranged on the upper side of the pressure transmitter main body, a horizontally arranged fixing rod is fixedly connected to the inner side of the fixing shell, a fan is fixedly connected to the bottom end of the fixing rod, a support ring is fixedly connected to the inner side of the fixing shell, a filter screen is arranged at the top end of the support ring, a pressing ring is arranged at the top end of the filter screen, a horizontally arranged telescopic rod is fixedly connected to the inner side of the pressing ring, a chuck is fixedly connected to one end of the telescopic rod, a connecting shell is fixedly connected to the left end of the pressure transmitter main body, a limiting plate is fixedly connected to the inner side of the connecting shell, a connecting rod, the one end fixedly connected with limit switch of limiting plate, the outside of connecting rod is provided with the second spring, and the both ends of second spring respectively with depression bar and limiting plate fixed connection, the left end of pressure transmitter main part is provided with the end cover, the outside fixedly connected with fixed block of end cover, the inboard screwed connection of fixed block has the screw that the level set up, the one end fixedly connected with guide block of screw, the one end fixedly connected with plush copper of connecting rod, and plush copper and guide block sliding connection.
Preferably, one end of the pressure transmitter main body is fixedly connected with a temperature sensor, and the inner side of the right end of the fixed shell is fixedly connected with a controller.
Preferably, the outer side of the telescopic rod is provided with a first spring, and two ends of the first spring are fixedly connected with the pressing ring and the clamping head respectively.
Preferably, the shape of the pressure lever is L-shaped, and the pressure lever and the limit switch are in the same vertical plane.
Preferably, the inner side of the heat dissipation shell is fixedly connected with two check valves, and the two check valves are symmetrically distributed on the left side and the right side of the central axis of the fan.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through heat dissipation shell, check valve, set casing, fan and the dead lever etc. that sets up, when the surface temperature of pressure transmitter main part was too high, the fan can carry out rapid cooling to the temperature of pressure transmitter main part, and can prevent through the filter screen that external dust from getting into the inside of heat dissipation shell, through carrying out timely cooling to pressure transmitter main part surface, plays safety protection's effect to the pressure transmitter main part.
2. The utility model discloses in, through depression bar, connection shell, connecting rod, fixed block and screw etc. that set up, when someone rotated the past screw of rotating, the plush copper can be at the effect of connecting rod and second spring lower motion, and the depression bar also can be pressed limit switch simultaneously, and the alarm can report to the police outward after that, reminds the staff in time to handle, plays the effect of carrying out safety protection to this device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.
In the figure: 1-a pressure transmitter main body, 2-an end cover, 3-a heat dissipation shell, 4-a one-way valve, 5-a fixed shell, 6-a fan, 7-a fixed rod, 8-a filter screen, 9-a pressure ring, 10-a telescopic rod, 11-a chuck, 12-a first spring, 13-a pressure rod, 14-a connecting shell, 15-a connecting rod, 16-a fixed block, 17-a screw, 18-a guide block, 19-a limit switch, 20-a second spring, 21-a limit plate, 22-a support ring, 23-an alarm, 24-a temperature sensor, 25-a controller and 26-a raised head.
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 with safety protection comprises a pressure transmitter main body 1 and an end cover 2, wherein a heat dissipation shell 3 is fixedly connected to the outer side of the pressure transmitter main body 1, heat dissipation is carried out through the heat dissipation shell 3, a vertically arranged fixing shell 5 is arranged on the upper side of the pressure transmitter main body 1, a horizontally arranged fixing rod 7 is fixedly connected to the inner side of the fixing shell 5, a fan 6 is fixedly connected to the bottom end of the fixing rod 7, heat dissipation can be carried out through the fan 6, a supporting ring 22 is fixedly connected to the inner side of the fixing shell 5, a filtering net 8 is arranged at the top end of the supporting ring 22, external dust can be filtered through the filtering net 8, the dust is prevented from entering the inner side of the heat dissipation shell 3, a pressing ring 9 is arranged at the top end of the filtering net 8, limiting and fixing of the filtering net 8 are realized through the pressing ring 9, the one end fixedly connected with dop 11 of telescopic link 10, through the block of dop 11 and set casing 5, can realize the spacing fixed to clamping ring 9, the left end fixedly connected with of pressure transmitter main part 1 connects shell 14, the inboard fixedly connected with limiting plate 21 of connecting shell 14, the inboard sliding connection of limiting plate 21 has connecting rod 15, the one end fixedly connected with depression bar 13 of connecting rod 15, the one end fixedly connected with limit switch 19 of limiting plate 21 can touch limit switch 19 through depression bar 13, the outside of connecting rod 15 is provided with second spring 20, and the both ends of second spring 20 respectively with depression bar 13 and limiting plate 21 fixed connection, the left end of pressure transmitter main part 1 is provided with end cover 2, the outside fixedly connected with fixed block 16 of end cover 2, the inboard screwed connection of fixed block 16 has the screw 17 of level setting, one end of the screw 17 is fixedly connected with the guide block 18, one end of the connecting rod 15 is fixedly connected with a raised head 26, the raised head 26 is connected with the guide block 18 in a sliding mode, and the position of the raised head 26 can be limited through the guide block 18.
One end fixedly connected with temperature sensor 24 of pressure transmitter main part 1, the inboard fixedly connected with controller 25 of right-hand member of set casing 5 can detect the temperature on pressure transmitter main part 1 surface in real time through temperature sensor 24, then dispel the heat to the temperature on pressure transmitter main part 1 surface fast through controller 25 control fan 6, the outside of telescopic link 10 is provided with first spring 12, and the both ends of first spring 12 respectively with clamping ring 9 and dop 11 fixed connection, can realize the spacing support to telescopic link 10 and dop 11 through the effect of first spring 12, guarantee that clamping ring 9 plays spacing effect to filter screen 8, guarantee that filter screen 8 can not appear the phenomenon of rocking at the during operation, improve the stability of filter screen 8 work, the shape of depression bar 13 is "L" type setting, and depression bar 13 and limit switch 19 are in same vertical plane, can realize pressing down limit switch 19 through depression bar 13, guarantee limit switch 19's normal work, the inboard fixedly connected with check valve 4 of heat dissipation shell 3, and the total two of number of check valve 4, and symmetric distribution is in 6, and the left and right sides of fan can realize through the heat dissipation shell 3 and can not use heat dissipation shell 3 when the heat dissipation shell 3 heat dissipation can not used as the heat dissipation shell.
The model of fan 6 is D formula 9-26 type fan, the model of alarm 23 is K L56-S80R, the model of temperature sensor 24 is PT100, the model of controller 25 is MAM-200 controller.
The working process is as follows: the utility model supplies power through the external power supply before using, when the temperature on the surface of the pressure transmitter main body 1 reaches the temperature set by the temperature sensor 24, the controller 25 controls the fan 6 to rotate, the external wind is blown to the surface of the pressure transmitter main body 1 through the filter screen 8, the fixed shell 5 and the heat dissipation shell 3 by the rotation of the fan 6, and the wind is blown out from the one-way valve 4, thereby realizing the heat dissipation on the surface of the pressure transmitter main body 1, and when the filter screen 8 needs to be replaced, the press ring 9 can be pulled up forcibly, meanwhile, the telescopic rod 10 and the chuck 11 can also contract correspondingly, when a person rotates the screw 17 outwards, the raised head 26 can also move outwards, at the moment, the second spring 20 can drive the connecting rod 15 and the raised head 26 to move, and the press rod 13 can gradually approach to the edge of the limit switch 19 until the press rod 13 touches the limit switch 19, then the alarm 23 will alarm to the outside to remind the staff to deal with in time.
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 (5)
1. A pressure transmitter with safety protection, includes pressure transmitter main part (1) and end cover (2), its characterized in that: the heat dissipation shell (3) is fixedly connected to the outer side of the pressure transmitter main body (1), the upper side of the pressure transmitter main body (1) is provided with a vertically arranged fixed shell (5), the inner side of the fixed shell (5) is fixedly connected with a fixed rod (7) arranged horizontally, the bottom end of the fixed rod (7) is fixedly connected with a fan (6), the inner side of the fixed shell (5) is fixedly connected with a support ring (22), the top end of the support ring (22) is provided with a filter screen (8), the top end of the filter screen (8) is provided with a press ring (9), the inner side of the press ring (9) is fixedly connected with a horizontally arranged telescopic rod (10), one end of the telescopic rod (10) is fixedly connected with a chuck (11), the left end of the pressure transmitter main body (1) is fixedly connected with a connecting shell (14), and the inner side of the connecting shell, the inner side of the limit plate (21) is connected with a connecting rod (15) in a sliding way, one end of the connecting rod (15) is fixedly connected with a pressure lever (13), one end of the limit plate (21) is fixedly connected with a limit switch (19), the outer side of the connecting rod (15) is provided with a second spring (20), and both ends of the second spring (20) are respectively fixedly connected with the pressure lever (13) and the limit plate (21), an end cover (2) is arranged at the left end of the pressure transmitter main body (1), a fixed block (16) is fixedly connected to the outer side of the end cover (2), a horizontally arranged screw (17) is spirally connected at the inner side of the fixed block (16), one end of the screw (17) is fixedly connected with a guide block (18), one end of the connecting rod (15) is fixedly connected with a raised head (26), and the raised head (26) is in sliding connection with the guide block (18).
2. The pressure transmitter with safety protection of claim 1, wherein: one end fixedly connected with temperature sensor (24) of pressure transmitter main part (1), inboard fixedly connected with controller (25) of right-hand member of set casing (5).
3. The pressure transmitter with safety protection of claim 1, wherein: the outer side of the telescopic rod (10) is provided with a first spring (12), and two ends of the first spring (12) are fixedly connected with the pressing ring (9) and the clamping head (11) respectively.
4. The pressure transmitter with safety protection as claimed in claim 1, wherein the pressure lever (13) is shaped like L, and the pressure lever (13) and the limit switch (19) are in the same vertical plane.
5. The pressure transmitter with safety protection of claim 1, wherein: the inboard fixedly connected with check valve (4) of heat dissipation shell (3), and the number of check valve (4) is total two, and the symmetric distribution is in the left and right sides of fan (6) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312640.7U CN211178803U (en) | 2019-12-20 | 2019-12-20 | Pressure transmitter with safety protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312640.7U CN211178803U (en) | 2019-12-20 | 2019-12-20 | Pressure transmitter with safety protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178803U true CN211178803U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922312640.7U Active CN211178803U (en) | 2019-12-20 | 2019-12-20 | Pressure transmitter with safety protection |
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| CN (1) | CN211178803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050994A (en) * | 2020-11-02 | 2020-12-08 | 南京沃天科技股份有限公司 | Wireless pressure transmitter for detecting water pressure in pipe |
-
2019
- 2019-12-20 CN CN201922312640.7U patent/CN211178803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050994A (en) * | 2020-11-02 | 2020-12-08 | 南京沃天科技股份有限公司 | Wireless pressure transmitter for detecting water pressure in pipe |
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