CN213180451U

CN213180451U - Capacitive pressure transmitter

Info

Publication number: CN213180451U
Application number: CN202021636881.3U
Authority: CN
Inventors: 李书亚
Original assignee: Kexing Electronics Jiangsu Co ltd
Current assignee: Kexing Electronics Jiangsu Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-05-11
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a capacitance type pressure transmitter, which comprises a shell, a filtering unit, a fixing unit, a connecting shell, a fixing block, a base and a connecting pipe; a housing: the connecting shell is arranged at the bottom end of the shell, the fixed blocks on two sides of the bottom end of the connecting shell are matched with the fixed grooves on the left side and the right side of the top end of the base, the bottom end of the base is provided with a connecting pipe, the front side and the rear side of the bottom end of the connecting shell are provided with fixed units, and the front side of the top end of the shell is provided with a protection unit; a filtering unit: contain supporting shoe, pivot, filter screen, kelly and installation piece, the supporting shoe has two and controls to correspond to establish in the recess on base top, both ends all are equipped with the installation piece about the filter screen, the installation piece cooperatees with the mounting groove of supporting shoe medial surface, the pivot has two and rotates the rear side of connecting on two supporting shoe tops respectively, this capacitanc pressure transmitter, convenient to use, and the protecting effect is good, long service life.

Description

Capacitive pressure transmitter

Technical Field

The utility model relates to an instrument and meter technical field specifically is a capacitanc pressure transmitter.

Background

The capacitance pressure transmitter has various measuring ranges, various connection forms and various liquid receiving materials, can be widely used in various industrial fields such as petroleum, chemical industry, electric power, metallurgy, pharmacy, food and the like, can adapt to various industrial occasions and media, is an ideal upgrading and updating product of the traditional pressure transmitter and the traditional pressure transmitter, is an ideal pressure measuring instrument in the industrial automation field, can be widely applied to liquid, gas and vapor pressure measurement and liquid level measurement, and when the existing capacitance pressure transmitter measures the liquid pressure, the existing capacitance pressure transmitter contains certain impurities, when the impurities attached to the interior of the pressure transmitter are excessive, the pressure transmitter needs to be detached and cleaned, is too complicated and inconvenient, influences the measurement efficiency of the pressure transmitter on the liquid, and simultaneously, because no protective measures are taken when the pressure transmitter is used, the device is susceptible to damage from external impacts.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a capacitanc pressure transmitter, convenient to use, the protecting effect is good, and long service life can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a capacitance type pressure transmitter comprises a shell, a filtering unit, a fixing unit, a connecting shell, a fixing block, a base and a connecting pipe;

a housing: the connecting shell is arranged at the bottom end of the shell, the fixed blocks on two sides of the bottom end of the connecting shell are matched with the fixed grooves on the left side and the right side of the top end of the base, the bottom end of the base is provided with a connecting pipe, the front side and the rear side of the bottom end of the connecting shell are provided with fixed units, and the front side of the top end of the shell is provided with a protection unit;

a filtering unit: the filter comprises two supporting blocks, a rotating shaft, filter screens, clamping rods and mounting blocks, wherein the two supporting blocks are correspondingly arranged in grooves at the top ends of the base from left to right, the mounting blocks are arranged at the left ends and the right ends of the filter screens, the mounting blocks are matched with the mounting grooves in the inner side surfaces of the supporting blocks, the two rotating shafts are respectively and rotatably connected to the rear sides of the top ends of the two supporting blocks, and the clamping rods are arranged on the outer sides of the rotating shafts;

the utility model discloses a shell, including shell, tympanic membrane, display screen, pressure measurement sensor, tympanic membrane, controller, the top of shell leading flank is established to the display screen, pressure measurement sensor establishes on the inboard top of link shell, the tympanic membrane is installed at the inboard middle part of link shell, the bottom at the shell leading flank is established to the controller, the output of input electric connection controller of display screen, pressure measurement sensor's output electric connection controller's input, the output of external power source is connected to the input electricity of controller.

Through the filter unit, can carry out effectual filtration with the impurity in the liquid to prevent that impurity direct access from connecting the inside of shell and causing the jam, also conveniently change the filter screen simultaneously.

Further, fixed unit contains runner, screw rod, backup pad and fixture block, the backup pad is established in one side of connecting shell bottom, the screw and the screw rod threaded connection at backup pad middle part, the top of screw rod is equipped with the runner, the bottom of screw rod is rotated and is connected with the fixture block, the fixture block is connected with the draw-in groove looks joint of base bottom, can make the fixed between connecting shell and the base more firm, thereby also conveniently dismantles the base simultaneously and clears up connecting shell inside.

Further, the protection unit contains card hole, connecting block, elasticity bolt, inserted block and protecting crust, the front side on shell top is established to the connecting block, the slot and the inserted block of connecting block leading flank are pegged graft mutually, the top of connecting block is equipped with the card hole, the top of inserted block is equipped with the elasticity bolt, the elasticity bolt cooperatees with calorie hole, the front end of inserted block is equipped with the protecting crust, can prevent effectively that electronic parts such as display screen from receiving outside striking and causing the damage, and then improve device's life.

Further, still include the sealing washer, the sealing washer is installed in the recess on base top, can reduce the gap of connecting shell and base junction to prevent that liquid from spilling over the influence pressure measurement result in the gap.

Further, still include the siren, the left surface at the connection shell is established to the siren, the output of input electric connection controller of siren can be when the timely alarm that sends out when the data that detect appear unusually to remind personnel to adjust.

Compared with the prior art, the beneficial effects of the utility model are that: the capacitive pressure transmitter has the following advantages:

1. through the filtering unit, impurities in the liquid can be effectively filtered, so that the impurities are prevented from directly entering the connecting shell to cause blockage, and meanwhile, the filter screen is convenient to replace;

2. the fixing unit can fix the connecting shell and the base more firmly, the base is convenient to disassemble so as to clean the inside of the connecting shell, and the sealing ring is arranged so as to reduce a gap at the joint of the connecting shell and the base, so that liquid is prevented from overflowing from the gap to influence a pressure detection result;

3. through the protection unit, can prevent effectively that electronic parts such as display screen from receiving outside striking and causing the damage, and then improve the life of device, be equipped with the siren, can be when the timely police dispatch newspaper of sending out when the data that detect appear unusually to remind personnel to adjust.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the local enlarged structure at a position of the present invention.

In the figure: the device comprises a shell 1, a filter unit 2, a support block 21, a rotating shaft 22, a filter screen 23, a clamping rod 24, a mounting block 25, a fixing unit 3, a rotating wheel 31, a screw rod 32, a support plate 33, a clamping block 34, a protection unit 4, a clamping hole 41, a connecting block 42, an elastic bolt 43, an inserting block 44, a protection shell 45, a connecting shell 5, a display screen 6, a fixing block 7, a base 8, a connecting pipe 9, a pressure measuring sensor 10, a tympanic membrane 11, a sealing ring 12, an alarm 13 and a controller 14.

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 capacitance type pressure transmitter comprises a shell 1, a filtering unit 2, a fixing unit 3, a connecting shell 5, a fixing block 7, a base 8 and a connecting pipe 9;

the shell 1: the connecting shell 5 is arranged at the bottom end of the shell 1, the fixing blocks 7 on two sides of the bottom end of the connecting shell 5 are matched with the fixing grooves on the left side and the right side of the top end of the base 8, the connecting pipe 9 is arranged at the bottom end of the base 8, the fixing units 3 are arranged on the front side and the rear side of the bottom end of the connecting shell 5, each fixing unit 3 comprises a rotating wheel 31, a screw 32, a supporting plate 33 and a clamping block 34, the supporting plate 33 is arranged on one side of the bottom end of the connecting shell 5, a screw hole in the middle of the supporting plate 33 is in threaded connection with the screw 32, the rotating wheel 31 is arranged at the top end of the screw 32, the clamping block 34 is rotatably connected at the bottom end of the screw 32, the clamping block 34 is clamped with the clamping groove at the bottom end of the base 8, the connecting shell 5 and the base 8 can be fixed more firmly, the base 8 can, The display device comprises an elastic bolt 43, an insertion block 44 and a protective shell 45, wherein the connection block 42 is arranged on the front side of the top end of the shell 1, an insertion groove in the front side surface of the connection block 42 is inserted into the insertion block 44, a clamping hole 41 is formed in the top end of the connection block 42, the elastic bolt 43 is arranged on the top end of the insertion block 44, the elastic bolt 43 is matched with the clamping hole 41, and the protective shell 45 is arranged at the front end of the insertion block 44, so that electronic parts such as a display screen 6 and the like can be effectively prevented from being damaged due to external impact, and the;

the filtering unit 2: the filter comprises support blocks 21, a rotating shaft 22, a filter screen 23, clamping rods 24 and mounting blocks 25, wherein the support blocks 21 are provided with two mounting blocks 25 which are correspondingly arranged in the grooves at the top ends of the base 8 in the left and right directions, the mounting blocks 25 are arranged at the left and right ends of the filter screen 23, the mounting blocks 25 are matched with the mounting grooves in the inner side surfaces of the support blocks 21, the rotating shaft 22 is provided with two clamping rods 24 which are respectively rotatably connected to the rear sides of the top ends of the two support blocks 21, the clamping rods 24 are arranged on the outer side of the rotating shaft 22, and impurities in liquid can be effectively filtered through the filter unit 2, so that the impurities are prevented from directly entering the;

wherein, still include the display screen 6, the pressure cell sensor 10, the tympanic membrane 11 and the controller 14, the display screen 6 is established at the top of shell 1 front side, the pressure cell sensor 10 is established at the top of connecting the inboard of shell 5, the tympanic membrane 11 is installed at the middle part of connecting the inboard of shell 5, the controller 14 is established at the bottom of shell 1 front side, the output of controller 14 is connected to the input electricity of display screen 6, the output electricity of pressure cell sensor 10 is connected to the input of controller 14, the output of external power source is connected to the input electricity of controller 14, still include sealing washer 12, sealing washer 12 is installed in the recess at the top of base 8, can reduce the gap of connecting shell 5 and base 8 junction, thereby prevent that liquid from overflowing from the gap and influencing the pressure measurement result, still include siren 13, siren 13 is established at the left surface of connecting shell 5, the input electricity of siren 13 is connected to the output of controller, can be when the data that detect appear unusual timely send out the police dispatch newspaper to remind personnel to adjust.

When in use: the external power supply is switched on, each electrical appliance works normally, the connecting pipe 9 is connected with an external liquid pipe, liquid enters the inside of the base 8 from the connecting pipe 9, the supporting blocks 21 are arranged on the left side and the right side of the top end of the base 8, the mounting blocks 25 on the left end and the right end of the filter screen 23 are respectively matched with the mounting grooves on the inner side surfaces of the two supporting blocks 21, the filter screen 23 can effectively filter impurities in the liquid, so that the impurities are prevented from directly entering the inside of the connecting shell 5 to cause blockage, meanwhile, the rotating shaft 22 is rotated to enable the clamping rod 24 to rotate, so that the filter screen 23 is convenient to replace, the filtered liquid enters the inside of the connecting shell 5, the liquid presses the tympanic membrane 11 to be in contact with the pressure measuring sensor 10, the pressure measuring sensor 10 displays measured data on the display screen 6, the top end of the base 8 is provided with the sealing, thereby prevent that liquid from overflowing from the gap and influencing pressure measurement result, it rotates runner 31 and drives screw rod 32 and rotate afterwards, thereby make the fixture block 24 of screw rod 32 bottom and the draw-in groove looks joint of 8 bottoms of base, it is more firm to make the fixed between link casing 5 and the base 8 like this, thereby it is inside to clear up link casing 5 also to make things convenient for base 8 to dismantle simultaneously, the front side on 1 top of shell is equipped with connecting block 42, the slot of connecting block 42 leading flank is pegged graft mutually with the inserted block 44 of protective housing 45 rear end, protective housing 45 can prevent effectively that electronic components such as display screen 6 from receiving outside striking and causing the damage, when the data appearance of detection is unusual, siren 13 in time sends out and reminds the police dispatch personnel to adjust.

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. A capacitive pressure transmitter, characterized by: comprises a shell (1), a filtering unit (2), a fixing unit (3), a connecting shell (5), a fixing block (7), a base (8) and a connecting pipe (9);

housing (1): the connecting shell (5) is arranged at the bottom end of the shell (1), the fixed blocks (7) on two sides of the bottom end of the connecting shell (5) are matched with the fixed grooves on the left side and the right side of the top end of the base (8), the bottom end of the base (8) is provided with a connecting pipe (9), the front side and the rear side of the bottom end of the connecting shell (5) are provided with the fixed units (3), and the front side of the top end of the shell (1) is provided with the protection unit (4);

filtration unit (2): the device comprises two supporting blocks (21), a rotating shaft (22), two filter screens (23), clamping rods (24) and mounting blocks (25), wherein the two supporting blocks (21) are correspondingly arranged in a groove at the top end of a base (8) from left to right, the mounting blocks (25) are arranged at the left end and the right end of each filter screen (23), the mounting blocks (25) are matched with mounting grooves in the inner side surfaces of the supporting blocks (21), the two rotating shafts (22) are respectively and rotatably connected to the rear sides of the top ends of the two supporting blocks (21), and the clamping rods (24) are arranged on the outer sides of the rotating shaft (22);

wherein, still include display screen (6), pressure sensor (10), tympanic membrane (11) and controller (14), the top at shell (1) leading flank is established in display screen (6), the top at connecting shell (5) inboard is established in pressure sensor (10), the middle part at connecting shell (5) inboard is installed in tympanic membrane (11), the bottom at shell (1) leading flank is established in controller (14), the output of input electric connection controller (14) of display screen (6), the input of output electric connection controller (14) of pressure sensor (10), the output of external power source is connected to the input electricity of controller (14).

2. A capacitive pressure transmitter according to claim 1, wherein: fixed unit (3) contain runner (31), screw rod (32), backup pad (33) and fixture block (34), establish the one side in connecting shell (5) bottom in backup pad (33), the screw and screw rod (32) threaded connection at backup pad (33) middle part, the top of screw rod (32) is equipped with runner (31), the bottom of screw rod (32) is rotated and is connected with fixture block (34), fixture block (34) and the draw-in groove looks joint of base (8) bottom.

3. A capacitive pressure transmitter according to claim 1, wherein: protection unit (4) contain card hole (41), connecting block (42), elasticity bolt (43), inserted block (44) and protecting crust (45), establish the front side on shell (1) top in connecting block (42), the slot of connecting block (42) leading flank is pegged graft mutually with inserted block (44), the top of connecting block (42) is equipped with card hole (41), the top of inserted block (44) is equipped with elasticity bolt (43), elasticity bolt (43) cooperate with card hole (41), the front end of inserted block (44) is equipped with protecting crust (45).

4. A capacitive pressure transmitter according to claim 1, wherein: still include sealing washer (12), sealing washer (12) are installed in the recess on base (8) top.

5. A capacitive pressure transmitter according to claim 1, wherein: the portable electronic device is characterized by further comprising an alarm (13), wherein the alarm (13) is arranged on the left side face of the connecting shell (5), and the input end of the alarm (13) is electrically connected with the output end of the controller (14).