CN113776606A - High-bearing type cold-resistant heat-resistant electromagnetic flowmeter - Google Patents
High-bearing type cold-resistant heat-resistant electromagnetic flowmeter Download PDFInfo
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- CN113776606A CN113776606A CN202110948496.5A CN202110948496A CN113776606A CN 113776606 A CN113776606 A CN 113776606A CN 202110948496 A CN202110948496 A CN 202110948496A CN 113776606 A CN113776606 A CN 113776606A
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- flowmeter
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- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims description 34
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000010405 clearance mechanism Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a high-bearing cold-resistant heat-resistant electromagnetic flowmeter which comprises a flowmeter body and a protective shell fixedly sleeved on the side wall of the flowmeter body, wherein an operation opening is formed in the side wall of the protective shell, a touch display screen is arranged on the flowmeter body, an infrared probe is fixedly connected to the upper end of the protective shell, an adjusting mechanism used for adjusting the temperature of the flowmeter body is arranged in the protective shell, and the adjusting mechanism comprises a first shell fixedly connected to the upper end of the protective shell. The gas storage box is arranged, so that the flowmeter can be heated and cooled, and the internal temperature of the flowmeter body is prevented from being overhigh or damaged excessively, so that the service life of the flowmeter is prolonged; secondly set up the brush roller, can carry out the clearance of display screen before the user uses for the display screen keeps clean facilitate the use, set up the inflator pump in addition, need not set up the inflation equipment, thereby reduced the volume of device.
Description
Technical Field
The invention relates to the technical field of electromagnetic flowmeters, in particular to a high-bearing cold-resistant heat-resistant electromagnetic flowmeter.
Background
The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle.
The temperature and the flow of liquid in the pipeline can be measured to current electromagnetic flowmeter, but partial flowmeter lacks the protection mechanism to the flowmeter, and all electromagnetic flowmeter temperature bearing capacity all is in certain extent, and when liquid temperature exceeded or was less than electromagnetic flowmeter borne temperature, the electromagnetic flowmeter took place the damage easily, so, need design a high resistant heat-resisting formula electromagnetic flowmeter of type that bears cold to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-bearing cold-resistant heat-resistant electromagnetic flowmeter.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high cold-resistant heat-resisting formula electromagnetic flowmeter of type that bears, includes that flowmeter body and fixed protective housing who cup joints at flowmeter body lateral wall, protective housing lateral wall has seted up the operation mouth, be equipped with touch display on the flowmeter body, protective housing upper end fixedly connected with infrared probe, be equipped with the adjustment mechanism who is used for adjusting flowmeter body temperature in the protective housing, adjustment mechanism includes the first casing of fixed connection in protective housing upper end, first shells inner wall fixedly connected with gas storage box, the runner pipe is all installed to flowmeter body both sides wall, runner pipe part is snakelike structure, runner pipe one end and gas storage box intercommunication, the runner pipe other end runs through protective housing lateral wall, protective housing is last to be equipped with the control mechanism who is used for controlling the interior air temperature of gas storage box.
Preferably, control mechanism includes the second casing of fixed connection at protecting casing lateral wall, two heat preservation boxes of top fixedly connected with in the second casing, the intercommunication is equipped with the outlet duct rather than inside intercommunication on the heat preservation box, the one end and the gas storage box intercommunication of heat preservation box are kept away from to the outlet duct, one of them install electric heating wire in the heat preservation box, another semiconductor refrigeration piece is all installed to two inner walls of heat preservation box, be equipped with the clearance mechanism that is used for clearing up touch display screen surface dust in the protecting casing.
Preferably, the cleaning mechanism comprises four mounting blocks fixedly connected to two inner walls of the protective shell, two side walls opposite to the mounting blocks at the upper end are connected with a first reciprocating lead screw in a rotating mode, a moving block is sleeved on the side wall of the first reciprocating lead screw and connected with the first reciprocating lead screw in a threaded mode, a rotating rod is connected to the side wall of the moving block in a rotating mode, a brush roller is sleeved on the side wall of the rotating rod, and a driving mechanism used for driving the first reciprocating lead screw to rotate is arranged in the second shell.
Preferably, actuating mechanism sliding connection is in the removal seat of bottom in the second casing, remove seat upper end fixedly connected with driving motor, second casing lateral wall and fixedly connected with second gear are observed to the one end that first reciprocal lead screw is close to driving motor, second casing inner wall fixedly connected with cylinder, the output of cylinder with remove seat lateral wall fixed connection, driving motor's output shaft fixedly connected with axis of rotation, driving motor's one end fixedly connected with and second gear complex third gear are kept away from to the axis of rotation, be equipped with in the second casing to two heat preservation box in the mechanism of aerifing.
Preferably, the inflation mechanism includes the inflator pump of fixed connection at second shells inner wall, the inflator pump lateral wall runs through and is equipped with the sleeve, be equipped with the piston in the inflator pump, the sleeve is close to the one end and the piston lateral wall fixed connection of piston, be equipped with the exhaust person in charge rather than inside intercommunication on the inflator pump, the intercommunication is equipped with the exhaust branch pipe rather than inside intercommunication on the heat preservation box, the one end that the heat preservation box was kept away from to the exhaust branch pipe is responsible for the intercommunication with the exhaust, a plurality of air inlets have been seted up to the inflator pump lateral wall.
Preferably, the inner wall of the second shell is rotatably connected with a second reciprocating lead screw, one end, far away from the inner wall of the second shell, of the second reciprocating lead screw extends into the sleeve, the inner wall of the sleeve is provided with threads matched with the second reciprocating lead screw, the cross section of the outer ring of the sleeve is rectangular, and a fourth gear matched with the third gear is fixedly sleeved on the side wall of the second reciprocating lead screw in a sleeved mode.
Preferably, be located the lower extreme two the common fixedly connected with horizontal pole of the relative lateral wall of installation piece, horizontal pole lateral wall sliding connection has the sliding block, the rotary rod lower extreme rotates with the sliding block upper end to be connected, the fixed cover of rotary rod lateral wall has connected first gear, protective housing inner wall fixedly connected with and first gear complex pinion rack.
Preferably, the exhaust branch pipe is provided with an electromagnetic valve, the air outlet pipe is provided with a first one-way valve, the side wall of the piston penetrates through a transverse pipe, the transverse pipe is provided with a second one-way valve, and the exhaust main pipe is provided with a third one-way valve.
The invention has the following beneficial effects:
1. the device is provided with the adjusting mechanism, air after temperature rise enters the air storage box through the air outlet pipe and finally enters the two circulating pipes, so that the flowmeter body is fully heated, the phenomenon that the internal temperature of the flowmeter body is too low and the flowmeter body is damaged is avoided, air after temperature reduction enters the air storage box through the air outlet pipe and finally enters the two circulating pipes, the flowmeter body is fully cooled, the phenomenon that the internal temperature of the flowmeter body is too high and the flowmeter body is damaged is avoided, and the service life of the flowmeter is prolonged;
2. the cleaning device is provided with a cleaning mechanism, an output shaft of a driving motor drives a rotating shaft to rotate, the rotating shaft drives a first reciprocating lead screw to rotate a moving block to horizontally reciprocate through the meshing of a third gear and a second gear, and the first gear is always meshed with a toothed plate in the moving process of the moving block, so that the brush roller automatically rotates in the horizontal moving process, dust on the surface of the touch display screen is erased, and the use by a user is facilitated;
3. the device is provided with the inflating mechanism, and air is continuously sent into the heat preservation box in the continuous motion process of the piston, so that the automatic feeding of gas is realized, the inflating equipment does not need to be arranged for inflating, and the occupied space of the inflating equipment is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a high-load-bearing cold-resistant and heat-resistant electromagnetic flowmeter according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an assembly diagram of a flow tube and a flow meter body of a high load-bearing type heat and cold resistant electromagnetic flow meter according to the present invention;
fig. 5 is a front view of a high load-bearing type electromagnetic flowmeter according to the present invention.
In the figure: the device comprises a flow meter body 1, a protective shell 2, a touch display screen 3, an infrared probe 4, a first shell 5, a second shell 6, an air cylinder 7, an air storage box 8, a circulation pipe 9, a moving block 10, a first reciprocating lead screw 11, a mounting block 12, a toothed plate 13, a cross bar 14, a first gear 15, a brush roller 16, an air outlet pipe 17, a second gear 18, a moving seat 19, a driving motor 20, a third gear 21, a fourth gear 22, a second reciprocating lead screw 23, a sleeve 24, an air cylinder 25, a piston 26, a transverse pipe 27, an air inlet 28, an exhaust main pipe 29, an exhaust branch pipe 30, an electromagnetic valve 31, a heat preservation box 32, a semiconductor refrigeration piece 33, an electric heating wire 34 and an operation opening 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a high-bearing type cold-resistant and heat-resistant electromagnetic flowmeter comprises a flowmeter body 1 and a protective shell 2 fixedly sleeved on the side wall of the flowmeter body 1, an operation port 35 is formed in the side wall of the protective shell 2, a touch display screen 3 is arranged on the flowmeter body 1, an infrared probe 4 is fixedly connected to the upper end of the protective shell 2, the touch display screen 3 can display flow and temperature, the touch display screen is specifically a TFT display screen, the whole body of the flowmeter body 1 is made of 1.4404 stainless steel, an electrode 1.4404 in the flowmeter body is also made of stainless steel, an insulating lining PEEK (polyetheretherketone), a sealing-FKM (FKM) or EPDM (ethylene propylene diene monomer) sealing electromagnetic flowmeter is specially developed for monitoring medium and small flow liquid in a pipeline, the flowmeter is very small in size, the traditional flowmeter has no way for installation, and the MKH flowmeter also has a space for application! In addition, due to the unique all-metal design, the protection grade of the MKH flowmeter is very high, the protection grade of IP67 can be achieved, the vibration resistance, the falling resistance and the interference resistance are higher than those of a common shell in material strength, and in addition, due to the design of the whole body stainless steel 1.4404, the MKH flowmeter can achieve the grade of food and medicine, can be applied to the medicine adding process and is very safe.
Be equipped with the adjustment mechanism who is used for adjusting the temperature of flowmeter body 1 in protecting casing 2, adjustment mechanism includes fixed connection at the first casing 5 of protecting casing 2 upper end, and the runner pipe 9 is all installed to 5 inner wall fixedly connected with gas storage box 8 of first casing, 1 both sides wall of flowmeter body, and the runner pipe 9 part is snakelike structure, 9 one ends of runner pipe and 8 intercommunications of gas storage box, and the runner pipe 9 other end runs through 2 lateral walls of protecting casing.
Be equipped with the control mechanism who is used for controlling air temperature in the gas storage box 8 on the protective housing 2, control mechanism includes second casing 6 of fixed connection at the 2 lateral walls of protective housing, two heat preservation boxes 32 of top fixedly connected with in the second casing 6, the intercommunication is equipped with rather than the inside outlet duct 17 that communicates on the heat preservation box 32, the one end and the gas storage box 8 intercommunication of heat preservation box 32 are kept away from to outlet duct 17, install electric heating wire 34 in one of them heat preservation box 32, semiconductor refrigeration piece 33 is all installed to two inner walls of another heat preservation box 32, the hot junction of semiconductor refrigeration piece 33 stretches out outside second casing 6, the cold junction of semiconductor refrigeration piece 33 is located heat preservation box 32.
Be equipped with the clearance mechanism that is used for clearing up 3 surperficial dusts of touch display screen in protective housing 2, clearance mechanism includes four installation pieces 12 of fixed connection at the two inner walls of protective housing 2, it is connected with first reciprocating screw 11 to be located two relative lateral walls of installation piece 12 in the upper end and rotate jointly, first reciprocating screw 11 lateral wall has cup jointed movable block 10, movable block 10 and 11 threaded connection of first reciprocating screw, movable block 10 lateral wall rotates and is connected with the rotary rod, the rotary rod lateral wall has cup jointed brush roller 16.
Be equipped with in the second casing 6 and be used for driving first reciprocal lead screw 11 pivoted actuating mechanism, actuating mechanism sliding connection is at the removal seat 19 of bottom in the second casing 6, remove seat 19 upper end fixedly connected with driving motor 20, first reciprocal lead screw 11 is close to the one end of driving motor 20 and observes 6 lateral walls of second casing and fixedly connected with second gear 18, 6 inner wall fixedly connected with cylinders 7 of second casing, the output of cylinder 7 with remove 19 lateral walls fixed connection of seat, driving motor 20's output shaft fixedly connected with axis of rotation, the one end fixedly connected with and the second gear 18 complex third gear 21 of driving motor 20 are kept away from in the axis of rotation.
An inflation mechanism for inflating the two heat preservation boxes 32 is arranged in the second shell 6, the inflation mechanism comprises an inflator 25 fixedly connected to the inner wall of the second shell 6, a sleeve 24 penetrates through the side wall of the inflator 25, a piston 26 is arranged in the inflator 25, one end, close to the piston 26, of the sleeve 24 is fixedly connected with the side wall of the piston 26, an exhaust main pipe 29 communicated with the interior of the inflator 25 is arranged on the inflator 25, an exhaust branch pipe 30 communicated with the interior of the heat preservation box 32 is arranged on the heat preservation box 32, one end, far away from the heat preservation boxes 32, of the exhaust branch pipe 30 is communicated with the exhaust main pipe 29, and a plurality of air inlets 28 are formed in the side wall of the inflator 25.
In the invention, the inner wall of the second shell 6 is rotatably connected with a second reciprocating lead screw 23, one end of the second reciprocating lead screw 23, which is far away from the inner wall of the second shell 6, extends into a sleeve 24, the inner wall of the sleeve 24 is provided with threads matched with the second reciprocating lead screw 23, the section of the outer ring of the sleeve 24 is rectangular, and the side wall of the second reciprocating lead screw 23 of the sleeve 24 is fixedly sleeved with a fourth gear 22 matched with the third gear 21.
In the invention, the opposite side walls of the two mounting blocks 12 at the lower end are fixedly connected with a cross rod 14, the side walls of the cross rod 14 are connected with sliding blocks in a sliding manner, the lower ends of the cross rods are rotatably connected with the upper ends of the sliding blocks, the cross rod 14 limits the sliding blocks, so that when the first reciprocating lead screw 11 rotates, the moving block 10 can only horizontally move, the side walls of the cross rods are fixedly sleeved with a first gear 15, and the inner wall of the protective shell 2 is fixedly connected with a toothed plate 13 matched with the first gear 15.
According to the invention, the electromagnetic valve 31 is arranged on the exhaust branch pipe 30, the first one-way valve is arranged on the air outlet pipe 17, the first one-way valve can prevent air from flowing back to the lateral wall of the piston 26 in the other heat preservation box 32 from the other air outlet pipe 17, the transverse pipe 27 is arranged in a penetrating mode, the second one-way valve is arranged on the transverse pipe 27, the second one-way valve can prevent air from entering the left side of the piston 26 from the right end of the piston 26, the third one-way valve is arranged on the exhaust main pipe 29, and the third one-way valve can prevent air entering the exhaust branch pipe 30 from the exhaust main pipe 29 from flowing back to the exhaust main pipe 29.
In the initial state, the third gear 21 is meshed with the fourth gear 22.
When the touch display screen is used, when the infrared probe 4 detects that a human hand approaches, the air cylinder 7 is started, the output end of the air cylinder 7 extends to drive the moving seat 19 to move leftwards, the moving seat 19 drives the driving motor 20 to move leftwards, when the third gear 21 is meshed with the second gear 18, the driving motor 20 is started, the output shaft of the driving motor 20 drives the rotating shaft to rotate, the rotating shaft drives the first reciprocating lead screw 11 to rotate through the meshing of the third gear 21 and the second gear 18, the moving block 10 horizontally reciprocates under the limit of the cross rod 14, and in the motion process of the moving block 10, the first gear 15 is always meshed with the toothed plate 13, so that the brush roller 16 automatically rotates in the horizontal motion process, dust on the surface of the touch display screen 3 is erased, and convenience is brought to a user;
when a temperature sensor in the flowmeter body 1 monitors that the temperature of a medium passing through the flowmeter body 1 exceeds the self bearing temperature, a driving motor 20 is started, an output shaft of the driving motor 20 drives a rotating shaft to rotate, the rotating shaft drives a second reciprocating screw 23 to rotate through the meshing of a third gear 21 and a fourth gear 22, the section of the outer ring of a sleeve 24 is rectangular, the sleeve 24 drives a piston 26 to reciprocate left and right under the limit of the side wall of an inflator 25, air is pushed into an exhaust main pipe 29 during the rightward movement of the piston 26, an electromagnetic valve 31 on a right exhaust branch pipe 30 is opened, the air enters a right side heat preservation box 32, the air cannot flow into the inflator 25 under the action of a third one-way valve, the pressure in the inflator 25 is reduced, shell air enters the inflator 25 through an air inlet 28, the air on the right side of the piston 26 enters the right side through a transverse pipe 27 under the action of the pressure during the leftward movement of the piston 26, therefore, air is continuously sent into the heat preservation box 32 in the continuous movement process of the piston 26, so that the automatic feeding of the air is realized, inflation is not required to be carried out by arranging inflation equipment, and the occupied space of the inflation equipment is further reduced;
the semiconductor refrigeration piece 33 is opened, the semiconductor refrigeration piece 33 cools the air entering the heat preservation box 32, the cooled air enters the air storage box 8 through the air outlet pipe 17 and finally enters the two circulation pipes 9, the residence time of the air in the circulation pipes 9 is prolonged due to the fact that the circulation pipes 9 are of the snake-shaped structures, the cold air has enough time to exchange the temperature of the flowmeter body 1, the flowmeter body 1 is fully cooled, and damage caused by overhigh temperature in the flowmeter body 1 is avoided;
the reversal, when the inside liquid temperature of carrying of flowmeter body 1 is lower, open solenoid valve 31 on the left side exhaust branch 30 and close solenoid valve 31 on the right side exhaust branch 30, open electric heating wire 34, electric heating wire 34 heats the air, the air after the intensification passes through outlet duct 17 and gets into in the gas storage box 8, and finally get into in two runner pipes 9, because runner pipe 9 is snakelike structure, the air has been prolonged at runner pipe 9 dwell time, make hot-air have the time exchange flowmeter body 1's of sufficient length temperature, make flowmeter body 1 reach the abundant heating, avoid flowmeter body 1 inside temperature low and impaired.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the practical concepts of the present invention equivalent or changed within the technical scope of the present invention.
Claims (8)
1. The high-bearing-capacity cold-resistant heat-resistant electromagnetic flowmeter comprises a flowmeter body (1) and a protective shell (2) fixedly sleeved on the side wall of the flowmeter body (1), and is characterized in that an operation opening (35) is formed in the side wall of the protective shell (2), a touch display screen (3) is arranged on the flowmeter body (1), an infrared probe (4) is fixedly connected to the upper end of the protective shell (2), an adjusting mechanism for adjusting the temperature of the flowmeter body (1) is arranged in the protective shell (2), the adjusting mechanism comprises a first shell (5) fixedly connected to the upper end of the protective shell (2), a gas storage box (8) is fixedly connected to the inner wall of the first shell (5), flow pipes (9) are respectively arranged on the two side walls of the flowmeter body (1), the flow pipe (9) is partially of a snake-shaped structure, one end of each flow pipe (9) is communicated with the gas storage box (8), the other end of the circulating pipe (9) penetrates through the side wall of the protective shell (2), and a control mechanism for controlling the temperature of air in the air storage box (8) is arranged on the protective shell (2).
2. The high-bearing-capacity cold-resistant heat-resistant electromagnetic flowmeter as claimed in claim 1, wherein the control mechanism comprises a second casing (6) fixedly connected to the side wall of the protective casing (2), two heat preservation boxes (32) are fixedly connected to the inner top of the second casing (6), an air outlet pipe (17) communicated with the inside of each heat preservation box (32) is communicated with the upper portion of each heat preservation box (32), one end, far away from the heat preservation boxes (32), of the air outlet pipe (17) is communicated with the air storage box (8), one of the end is connected with the electric heating wire (34) and the other end is connected with the heat preservation boxes (32), semiconductor refrigeration sheets (33) are installed on two inner walls of each heat preservation box (32), and a cleaning mechanism used for cleaning dust on the surface of the touch display screen (3) is arranged in the protective casing (2).
3. The high-load-bearing cold-resistant and heat-resistant electromagnetic flowmeter according to claim 2, wherein the cleaning mechanism comprises four mounting blocks (12) fixedly connected to two inner walls of the protective housing (2), two opposite side walls of the mounting blocks (12) at the upper end are connected with a first reciprocating lead screw (11) in a co-rotating manner, a moving block (10) is sleeved on the side wall of the first reciprocating lead screw (11), the moving block (10) is in threaded connection with the first reciprocating lead screw (11), a rotating rod is connected to the side wall of the moving block (10) in a rotating manner, a brush roller (16) is sleeved on the side wall of the rotating rod, and a driving mechanism for driving the first reciprocating lead screw (11) to rotate is arranged in the second housing (6).
4. The high load-bearing, cold-resistant, heat-resistant electromagnetic flowmeter of claim 3, the driving mechanism is connected with a moving seat (19) at the bottom in the second shell (6) in a sliding way, the upper end of the movable seat (19) is fixedly connected with a driving motor (20), one end of the first reciprocating screw rod (11) close to the driving motor (20) observes the side wall of the second shell (6) and is fixedly connected with a second gear (18), the inner wall of the second shell (6) is fixedly connected with an air cylinder (7), the output end of the air cylinder (7) is fixedly connected with the side wall of the movable seat (19), an output shaft of the driving motor (20) is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the driving motor (20), is fixedly connected with a third gear (21) matched with the second gear (18), and an inflation mechanism for inflating the two heat preservation boxes (32) is arranged in the second shell (6).
5. The high-bearing cold-resistant heat-resistant electromagnetic flowmeter as claimed in claim 4, wherein the inflation mechanism comprises an inflator (25) fixedly connected to the inner wall of the second housing (6), a sleeve (24) penetrates through the side wall of the inflator (25), a piston (26) is arranged in the inflator (25), one end of the sleeve (24) close to the piston (26) is fixedly connected to the side wall of the piston (26), an exhaust main pipe (29) communicated with the inside of the inflator (25) is arranged on the inflator (25), an exhaust branch pipe (30) communicated with the inside of the heat preservation box (32) is arranged on the heat preservation box (32), one end of the exhaust branch pipe (30) far away from the heat preservation box (32) is communicated with the exhaust main pipe (29), and a plurality of air inlets (28) are formed in the side wall of the inflator (25).
6. The high-load-bearing cold-resistant and heat-resistant electromagnetic flowmeter according to claim 5, wherein a second reciprocating lead screw (23) is rotatably connected to the inner wall of the second housing (6), one end of the second reciprocating lead screw (23) far away from the inner wall of the second housing (6) extends into the sleeve (24), the inner wall of the sleeve (24) is provided with a thread matched with the second reciprocating lead screw (23), the cross section of the outer ring of the sleeve (24) is rectangular, and a fourth gear (22) matched with the third gear (21) is fixedly sleeved on the side wall of the second reciprocating lead screw (23).
7. The high-load-bearing cold-resistant and heat-resistant electromagnetic flowmeter as claimed in claim 1, wherein the two opposite side walls of the mounting block (12) at the lower end are fixedly connected with a cross bar (14) together, the side walls of the cross bar (14) are slidably connected with a sliding block, the lower end of the rotating bar is rotatably connected with the upper end of the sliding block, the side walls of the rotating bar are fixedly connected with a first gear (15) in a sleeved mode, and the inner wall of the protective housing (2) is fixedly connected with a toothed plate (13) matched with the first gear (15).
8. The high-bearing cold-resistant and heat-resistant electromagnetic flowmeter according to claim 5, wherein the exhaust branch pipe (30) is provided with an electromagnetic valve (31), the exhaust pipe (17) is provided with a first one-way valve, the side wall of the piston (26) is provided with a transverse pipe (27) in a penetrating manner, the transverse pipe (27) is provided with a second one-way valve, and the exhaust main pipe (29) is provided with a third one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948496.5A CN113776606B (en) | 2021-08-18 | 2021-08-18 | High-bearing type cold-resistant and heat-resistant electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948496.5A CN113776606B (en) | 2021-08-18 | 2021-08-18 | High-bearing type cold-resistant and heat-resistant electromagnetic flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113776606A true CN113776606A (en) | 2021-12-10 |
| CN113776606B CN113776606B (en) | 2024-02-09 |
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Family Applications (1)
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| CN113776606B (en) | 2024-02-09 |
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