CN202002702U - Electromagnetic pushing and knocking type object detector - Google Patents
Electromagnetic pushing and knocking type object detector Download PDFInfo
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- CN202002702U CN202002702U CN2011200584847U CN201120058484U CN202002702U CN 202002702 U CN202002702 U CN 202002702U CN 2011200584847 U CN2011200584847 U CN 2011200584847U CN 201120058484 U CN201120058484 U CN 201120058484U CN 202002702 U CN202002702 U CN 202002702U
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Abstract
The utility model relates to a level transducer, in particular to an electromagnetic pushing and knocking type object detector, which comprises a magnetic swinging rod, an electromagnet and an electronic module, wherein the electromagnet is arranged at one side of the magnetic swinging rod, the electronic module controls the electromagnet for driving the magnetic swinging rod to swing and carries out amplification, processing and time delay output on collected swinging signals of the magnetic swinging rod, the magnetic swinging rod is suspended at one side of a body case through a suspending device, the electromagnet is arranged in the body case, the electromagnet consists of an electromagnet core and an electromagnet coil, the electric module comprises a power supply circuit, a pulse generation circuit, a pulse driving circuit, a signal amplification circuit, a signal processing circuit and a signal time delay output circuit, and the circuits are all arranged in the body case or are isolated from the body case for being additionally encapsulated. The electromagnetic pushing and knocking type object detector has the advantages that the sensitivity is high, the accuracy and the reliability are realized, the application range is wide, the maintenance is avoided, the service life is long, and the like.
Description
Technical field
The utility model relates to level transducer, refers in particular to a kind of electromagnetism and weighs the formula article detection device.
Background technology
The applicant is in " mono-pendulum type is near switch " patent (99249969.0) is declared, a kind of mono-pendulum type object detecting method and device had once been proposed, adopt electromagnet periodically to attract the irony pendulum to make it in air, constantly make simple harmonic motion, and detect by the motion state of thing position signals collecting parts to pendulum, swing is then sent does not have the material signal, has sent the material signal when stopping swinging.Through application practice for many years, find that it has five weak points: need guarantee gap between pendulum and the electromagnet when 1, installing between 6-12mm, the too little then amplitude of oscillation in gap is not enough, too greatly then inhales to hold together not come over, and all can influence its normal use; 2, it drives the pendulum swing by electromagnetic attraction, square being inversely proportional to of the size of its attractive force and the two gap, have only the ampere turns that strengthens electromagnet and core section to amass and improve maximum allowable clearance, therefore product is relatively heavier comparatively speaking, the consumption material is many, power consumption is big, and suction is undesirable, can not make the product miniaturization, the cost of manufacture height also is unfavorable for production and transport; 3, power consumption can not be made into two-wire system greatly, and the two-wire system capacitance object bit switch that is unfavorable for replacing, and need independent swinging signal acquisition component makes structure complicated; 4,, make adhesion become and be more prone to, so anti-material adhesive capacity is not enough because electromagnetic attraction is consistent with the adhesion direction; 5, can not high temperature high voltage resistant.Level switch that other are commonly used such as blocking rotary type, tuning-fork type, condenser type, radio frequency admittance formula, vibration bar type level switch also all have its limitation separately, after the blocking rotary type level switch works long hours, the wearing and tearing corrosion is stuck easily for machinery, even causes motor to damage, and serviceable life is low.The tuning-fork type level switch is because the adhesive attraction of material, buildup and failure of oscillation between tuning fork easily, or long-term vibration easily makes tuning fork produce mechanical fatigue or disconnected fork, and reliability is not high.Condenser type or radio frequency admittance formula level switch be because of the material adhesive attraction, and the easy bridging of its potential electrode produces error signal, sensitivity be subjected to temperature float with the time influence of floating big.Vibration bar type level switch starting of oscillation voltage height, sympathetic response pipe range, piezoelectric element are subjected to environment and Temperature Influence easily, also break easily, and sensitivity is different with the difference of detected material, has the low problem of reliability.Simultaneously because the object detection under bad working environments such as high temperature, high pressure, high humidity, high adhesion does not also have very desirable product at present yet.
Summary of the invention
The purpose of this utility model is that a kind of electromagnetism of design is weighed the formula article detection device, not only can reduce number of spare parts, save cost, reduce power consumption, install simple, energy-conserving and environment-protective, can also under various bad working environments, carry out reliable detection to various materials, no matter be normal temperature and pressure or high temperature and high pressure condition, no matter be solid or liquid, no matter be the granule materials of good fluidity or the granular material of mobile difference, no matter be high moist material or the big bulk materials that may smash level switch of impulsive force that easily adheres to, and other object detection difficult problems, object detecting method and device that this electromagnetism is weighed the formula level transducer can both solve it well, and highly sensitive, accurately and reliably, non-maintaining, long service life.
The purpose of this utility model is achieved by the following technical solution:
The utility model comprises the magnetic fork and is arranged on the electromagnet of magnetic fork one side, and the signal of fork swing of control solenoid actuated magnetic and magnetic fork swing that electromagnet the is collected electronic module that amplifies, handle and delay time and export, wherein:
Described magnetic fork hangs the magnetic fork side that is located at main body cover by an erecting by overhang; Electromagnet is set in the main body cover, and electromagnet is made up of electromagnetic core and solenoid;
Described electronic module comprises power circuit, pulse-generating circuit, pulse driving circuit, signal amplification circuit, signal processing circuit, signal lag output circuit, and above circuit all is arranged in the main body cover or with main body cover isolates encapsulation separately.
Structural principle of the present utility model:
The utility model is the article detection device that a kind of electromagnetism is weighed the formula level transducer, be to utilize electromagnet 3 to promote suspention magnetic fork 5 in its vicinity at gas, liquid, swing and judge the method that solid dielectric or liquid medium have or not in the solid three class media according to the obvious difference of amplitude that collects swing state corresponding voltage signal with it or phase place etc., it is characterized in that: magnetic fork 5 is suspended near the electromagnet core 31, can comprehensively freely swing, magnetic fork 5 is made up of permanent magnet pendulum 51 and detection fork 52, wherein permanent magnet pendulum 51 constitutes by in the shell permanent magnet being set, permanent magnet magnetic distributes very up and down, and permanent magnet pendulum 51 is fixed on to be surveyed on the fork 52 and close electromagnet core 31, electromagnet 3 has the function that drives with signals collecting two aspects, pulse-generating circuit 22 and pulse driving circuit 23 are controlled at and flow through periodic pulse current in the magnet coil 32, make electromagnet 3 produce pulse electromagnetic field, adjust the pole orientation of permanent magnet pendulum 51 and electromagnetic field, make between the two produce magnetic field thrust that the same sex repels each other with magnetic fork 5 outwards push away to electromagnet 3 some distances, electromagnetic field also disappeared immediately after pulse current disappeared, magnetic fork 5 backswing immediately or beat and be adsorbed on again on the electromagnet core 31, so repeatedly, magnetic fork 5 causes in the process of electromagnet core 31 that the magnetic flux that passes in the magnet coil 32 changes and then because electromagnetic induction produces the voltage signal corresponding to 5 swings of magnetic fork in backswing with beaing, the polarity of this induced voltage signal, amplitude, width, phase place, parameters such as frequency all with the direction of magnetic fork 5 swing, speed, amplitude, frequencies etc. are corresponding, because magnetic fork 5 is at gas, liquid, it is obviously different to swing suffered damping in the solid three class media, the damping minimum that is subjected in gas medium can be ignored, the voltage signal that induces is the strongest, the damping that is subjected in liquid medium is placed in the middle, to be partial to slowly with respect to 5 swings of magnetic fork in the gas medium, some sluggishness, therefore some hysteresis of phase place of its voltage signal that induces, amplitude, frequency, duration etc. all reduce to some extent, the damping that is subjected in solid is maximum not to induce voltage signal so that can not swing, and signal processing circuit 25 will be according to magnetic fork 5 at gas, liquid, in the solid three class media swing and just can be judged having or not of solid dielectric or liquid medium by the obvious difference of the amplitude of the voltage signal that electromagnet 3 induced or phase place etc.
The utlity model has following advantage and beneficial effect:
1, is adsorbed on the electromagnet 3 owing to magnetic fork 5, the two gap is very little, therefore the expulsive force of repelling each other with the same sex of magnetic fork 5 after electromagnet 3 energisings is very big, just can significantly dwindle the volume of electromagnet 3, save material, reduce production, transportation and keeping cost, power consumption also greatly reduces simultaneously, just can produce the two-wire system product of little power consumption, just can reduce wiring cost, energy savings when installing and using.
2, electromagnet 3 has the function that drives with signals collecting two aspects, magnet coil 32 energisings are that electric magnetisation plays driving action, promote 5 swings of magnetic fork, outage is that magnetic is given birth to the electric signals collecting effect that plays, and the flux change that 5 swings of magnetic fork are produced induces corresponding with it voltage signal, just can save thing position signals collecting parts, both simplified production technology, save material again, also reduced by a failsafe link, improved reliability.Also can select resistant to elevated temperatures permanent magnet pendulum 52 for use and select resistant to elevated temperatures electromagnetic wire coiling magnet coil 32 for use, be placed under the worst hot case, and electronic module 2 is placed the normal temperature place, just can produce split type resistant to elevated temperatures product.
3, because penetrable air-gap in magnetic field and non-magnetic material, so electromagnet 3 just can drive and detect the swing of magnetic fork 5 across stainless steel or other non-magnetic materials, realize the non contact transmission of driving force and the contactless detection in magnetic field, just can produce static seal and high voltage bearing product
4, be the thrust driving owing to become suction, the electromagnetism expulsive force is opposite with the adhesion direction, so its anti-adhesive power greatly strengthens, by adjusting the length and the thickness of magnetic fork 5, or install blade or damped parts such as right cylinder or spherosome or cone additional in its bottom, just can change its damping size, adapt to the product that various materials such as particulate material, powder, piece material detect thereby produce, the length that increases magnetic fork 5 also can avoid material to form the misoperation that the cavity causes, and magnetic fork 5 ceaselessly beats 4 ash disposal automatic cleaning actions of shell.
5 so long as can cause that the object that the damping of magnetic fork 5 swings changes can both be detected, not only can detect having or not of solid or liquid medium, can also detect two kinds of dielectric stratifying interfaces, as oil water surface, liquid and foam interphase, sewage and mud interphase, cement fluidization and non-fluidization interface etc.
So this electromagnetism weigh the formula article detection device have highly sensitive, accurately and reliably, advantage such as widely applicable, non-maintaining, long service life.
All adopt the embodiment of other independent magnetic fork 5 swinging signal acquisition component all to belong to protection domain of the present utility model, such as: mistor sensor, Hall proximity transducer, electric whirlpool formula sensor, inductance type proximity transducer, piezoelectric element, acceleration transducer etc.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Fig. 2 is the sectional view of the utility model embodiment 1.
Fig. 3 is the sectional view of the utility model embodiment 2.
Fig. 4 is the sectional view of the utility model embodiment 4.
Fig. 5 is the sectional view of the utility model embodiment 5.
Fig. 6 is one of the utility model schematic appearance.
Fig. 7 is two of the utility model schematic appearance.
Fig. 8 is three of the utility model schematic appearance.
Number in the figure:
1, extension line, 2, electronic module, 3, electromagnet, 4, shell, 5, the magnetic fork, 6, the extension line interface, 7, support, 8, fixing lifting hole(eyelet), 9, movable hoisting ring, 10, mounting flange, 11, mounting sleeve, 12, the storehouse plate, 13, heat radiator, 14, casing flange, 15, connect lead, 16, seal closure, 21, power circuit, 22, pulse-generating circuit, 23, pulse driving circuit, 24, signal amplification circuit, 25, signal processing circuit, 26, the signal lag output circuit, 31, electromagnet core, 32, magnet coil, 51, the permanent magnet pendulum, 52, survey fork.
Embodiment
The utility model comprises magnetic fork 5 and is arranged on the electromagnet 3 of magnetic fork 5 one sides, the electronic module 2 that the signal that reaches 3 driving magnetic forks 5 swings of control electromagnet and the magnetic fork 5 that electromagnet 3 collects is swung amplifies, handles and delays time and export, wherein:
Described magnetic fork 5 hangs magnetic fork 5 side that is located at main body cover 4 by an erecting by overhang; Electromagnet 3 is set in the main body cover 4, and electromagnet 3 is made up of electromagnetic core 31 and solenoid 32;
Described electronic module 2 comprises power circuit 21, pulse-generating circuit 22, pulse driving circuit 23, signal amplification circuit 24, signal processing circuit 25, signal lag output circuit 26, and above circuit all is arranged in the main body cover 4 or with main body cover 4 isolates encapsulation separately.
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment one
At Fig. 1; Fig. 2; Fig. 6; among Fig. 7; this electromagnetism is weighed the formula article detection device and is belonged to the perpendicular dress type in top; design is by extension line 1; electronic module 2; electromagnet 3; magnetic knocks assembly and shell 4 is formed; be provided with an extension line interface 6 at the top of shell 4; extension line interface 6 has pipe thread; be screwed into extension line interface 6 with spool one end; the other end is fixed on the Cang Ding storehouse plate 12; setting height(from bottom) just can be according to the length free adjustment of spool; spool is not only drawn extension line 1 protection and is also worked to install and fix this electromagnetism deliberation formula article detection device outside the storehouse; magnetic is knocked assembly by magnetic fork 5; movable hoisting ring 9; fixedly lifting hole(eyelet) 8; support 7 compositions such as grade; support 7 is fixed on the shell 4; and on support 7, establish one fixedly lifting hole(eyelet) 8 do the fulcrum of swing; near magnetic fork 5 and fixedly flexibly connect and be suspended in the electromagnet core 31 with one or more stainless steel movable hoisting rings 9 between the lifting hole(eyelet) 8; can comprehensively freely swing; magnetic fork 5 is made up of permanent magnet pendulum 51 and detection fork 52; wherein permanent magnet pendulum 51 constitutes by in the shell permanent magnet being set; permanent magnet magnetic distributes very up and down, and permanent magnet pendulum 51 is fixed on the detection fork 52 and near electromagnet core 31.Extension line 1 is drawn from electronic module 2, electronic module 2 is connected with electromagnet 3, the two all is fixed in the shell 4, electronic module 2 comprises power circuit 21, pulse-generating circuit 22, pulse driving circuit 23, signal amplification circuit 24, signal processing circuit 25, signal lag output circuit 26, pulse-generating circuit 22 links to each other with pulse driving circuit 23, pulse driving circuit 23 links to each other with magnet coil 32, magnet coil 32 links to each other with signal amplification circuit 24, signal amplification circuit 24 links to each other with signal processing circuit 25, signal processing circuit 25 links to each other with signal lag output circuit 26, power circuit 21 all links to each other with above-mentioned each circuit, extension line 1 links to each other with power circuit 21 with signal lag output circuit 26, electromagnet 3 has the function that drives with signals collecting two aspects, near the situation magnetic fork 5 that no material stops can be suspended in electromagnet core 31 or be adsorbed on the electromagnet core 31, after this electromagnetism is weighed the energising of formula article detection device, be controlled at after producing pulse signal and be transported to pulse driving circuit 23 by pulse-generating circuit 22 earlier and flow through periodic pulse current in the magnet coil 32, make electromagnet 3 produce pulse electromagnetic field, adjust the pole orientation of permanent magnet pendulum 51 and electromagnetic field, make and produce the magnetic field thrust that the same sex is repelled each other between the two, because of electromagnet 3 is fixed in the shell 4, magnetic fork 5 can comprehensively freely swing, so magnetic field thrust magnetic fork 5 outwards can only be pushed away to electromagnet 3 some distances, electromagnetic field also disappeared immediately after pulse current disappeared, magnetic fork 5 backswing immediately or beat and be adsorbed on again on the electromagnet core 31, so repeatedly, magnetic fork 5 causes in the process of electromagnet core 31 that the magnetic flux that passes in the magnet coil 32 changes and then because electromagnetic induction produces the voltage signal corresponding to 5 swings of magnetic fork in backswing with beaing, the polarity of this induced voltage signal, amplitude, width, phase place, parameters such as frequency all with the direction of magnetic fork 5 swing, speed, amplitude, frequencies etc. are corresponding, because magnetic fork 5 is at gas, liquid, damping suffered in the solid three class media is obviously different, the damping minimum that is subjected in gas medium can be ignored, the voltage signal that induces is the strongest, the damping that is subjected in liquid medium is placed in the middle, to be partial to slowly with respect to 5 swings of magnetic fork in the gas medium, some sluggishness, therefore some hysteresis of phase place of its voltage signal that induces, amplitude, frequency, duration etc. all reduce to some extent, the maximum voltage signal that do not induce so that can not swing of the damping that in solid, is subjected to, signal amplification circuit 24 will amplify and be input to signal processing circuit 25 from the voltage signal of magnet coil 32 inductions, signal processing circuit 25 will be according to magnetic fork 5 at gas, liquid, swing and just can be judged having or not of solid dielectric or liquid medium in the solid three class media by the obvious difference of the amplitude of the voltage signal that electromagnet 3 induced or phase place etc., and this object space position signal is input to signal lag output circuit 26 delays time after extension line 1 is drawn and indicated through the some times, report to the police, usefulness such as automatic control.
Embodiment two
In Fig. 1, Fig. 3, Fig. 8, this electromagnetism is weighed the formula article detection device and is belonged to the horizontal dress type in side, its shell 4 one ends connect magnetic and knock assembly, the other end is provided with a mounting flange 10 and is used for this electromagnetism deliberation formula article detection device directly is fixed on the storehouse plate 12, or be fixed on the flange 14 of mounting sleeve, establish wire hole on the mounting flange 10, other structure connected mode and embodiment are together.
Embodiment three
Present embodiment belongs to High Temperature High Pressure type electromagnetism and weighs the formula article detection device, the magnet coil 32 that the electromagnetism of embodiment one and example two is weighed in the formula article detection device all adopts resistant to elevated temperatures electromagnetic wire, such as H level electromagnetic wire heatproof 180 degree, C level electromagnetic wire heatproof 220 degree, but Teflon insulation electromagnetic wire heatproof 260 degree, but ceramic insulation electromagnetic wire heatproof 500 degree, permanent magnet 52 fixing on the magnetic fork 5 is all selected ferrite for use, neodymium iron boron, SmCo, resistant to elevated temperatures magnets such as aluminium nickel cobalt, like this electromagnet 3 and magnetic fork 5 are placed high temperature place in the storehouse, to place the normal temperature place to the electronic module 2 of non-refractory, be connected to split type heatproof structure with being connected lead 15 between electronic module 2 and the magnet coil 32, other structure connected mode and embodiment one and example two just constitute High Temperature High Pressure type electromagnetism and weigh the formula article detection device together.
Embodiment four
In Fig. 4; present embodiment belongs to superhigh-temperature and-pressure type electromagnetism and weighs the formula article detection device; because the magnetic resistance of iron core is little; magnetic field can high-level efficiency be conducted in iron core; make it pass steel flange 10 electromagnet core 31 1 ends lengthening and stretch into some length in the storehouse; iron core 31 adopts seamless link with steel flange 10; perforate and welded and installed sleeve pipe 11 on feed bin plate 12; the other end at mounting sleeve 11 is welded with casing flange 14; steel flange 10 is bolted together with casing flange 14; in order to prevent iron core 31 corrosions; can be at iron core 31 overcoat one deck stainless steel protection sleeve pipes 4; magnetic is knocked assembly and is fixed on the outer stainless steel protection sleeve pipe 4 of iron core 31 in the storehouse or iron core; magnetic fork 5 is suspended in iron core 31 1 ends in the storehouse; magnet coil 32 and other a part of iron core 31 are positioned at a side outside mounting flange 10 storehouses; fixing cooling fins 13 on the iron core 31 outside electromagnet casing and storehouse; high temperature is to the heat radiation and the heat conduction of magnet coil 32 in the minimizing storehouse; to guarantee that magnet coil 32 temperature are in allowed band; fixing permanent magnet 52 can be selected SmCo for use on the magnetic fork 5 like this; resistant to elevated temperatures magnets such as aluminium nickel cobalt; high-temperature resistant can reach degree more than 600; electronic module 2 is placed the normal temperature place; link to each other with being connected lead 15 between electronic module 2 and the magnet coil 32; just constituted superhigh-temperature and-pressure type electromagnetism and weighed the formula article detection device, other structure connected mode and example are together.
Embodiment five
In Fig. 5, present embodiment belongs to telemeasurement type electromagnetism and weighs the formula article detection device, with electronic module 2, electromagnet 3, shell 4 places in the seal closure 16 of Cang Ding with magnetic fork 5, and will survey the prolongation of fork 52 lower ends, the present position, bottom of surveying fork 52 is the measuring position, surveying fork 52 is straight tube, it perhaps is bend pipe, perhaps at its fixing damped part in bottom, damped part is a blade, or right cylinder, or spherosome, or cone, electromagnet 3 is not contacted with material from start to finish with permanent magnet pendulum 51 parts, only allow detection fork 52 lower end prolongations contact with material, so the lower end of magnetic fork 5 in its normal hunting range except that tested material vacancy, for strong adhesion, perhaps severe corrosive, perhaps wearing and tearing are big, perhaps the strong impact force lump material that may smash sensor is accomplished safe and reliable remote detection, such as strong acid and strong base solution, sand-cement slurry, the pitch of fusing, piece stone etc., have the every advantage of non-cpntact measurement and the reliability of contact measurement concurrently, other structure connected mode and example are together.
Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (8)
1. an electromagnetism is weighed the formula article detection device, it is characterized in that the electromagnet (3) that comprises magnetic fork (5) and be arranged on magnetic fork (5) one sides, the electronic module (2) that the signal that reaches control electromagnet (3) driving magnetic fork (5) swing and the magnetic fork (5) that electromagnet (3) collects is swung amplifies, handles and delays time and export, wherein:
Described magnetic fork (5) hangs magnetic fork (5) side that is located at main body cover (4) by an erecting by overhang; Electromagnet (3) is set in the main body cover (4), and electromagnet (3) is made up of electromagnetic core (31) and solenoid (32);
Described electronic module (2) comprises power circuit (21), pulse-generating circuit (22), pulse driving circuit (23), signal amplification circuit (24), signal processing circuit (25), signal lag output circuit (26), and above circuit all is arranged in the main body cover (4) or with main body cover (4) isolates encapsulation separately.
2. electromagnetism according to claim 1 is weighed the formula article detection device, it is characterized in that described magnetic fork (5) is by permanent magnet pendulum (51) with survey fork (52) and form, wherein permanent magnet pendulum (51) constitutes by in the shell permanent magnet being set, permanent magnet magnetic distributes very up and down, and permanent magnet pendulum (51) is fixed on, and detection fork (52) is gone up and close electromagnet core (31).
3. electromagnetism according to claim 1 is weighed the formula article detection device, it is characterized in that pulse-generating circuit (22) produces pulse signal, and be connected to pulse driving circuit (23), connect magnet coil (32) then and produce pulse electromagnetic field, produce the magnetic field thrust of repelling each other with the permanent magnet pendulum (51) that is located at electromagnet (3) one sides.
4. electromagnetism according to claim 3 is weighed the formula article detection device, it is characterized in that described permanent magnet pendulum (51) is set to backswing and knocks electromagnet core (31), wherein, signal amplification circuit (24) connects magnet coil (32) and the induced voltage signal of its magnetic fork (5) that collects swing amplified and is connected to signal processing circuit (25), signal processing circuit (25) has or not the amplitude that causes acquired signal or the variation of phase place to come judgment object to have or not according to magnetic fork (5) damping of oscillations, and the object space signal is connected to signal lag output circuit (26) time-delay back output alarm.
5. electromagnetism according to claim 1 is weighed the formula article detection device, it is characterized in that described erecting by overhang comprises support (7) and fixing lifting hole(eyelet) (8) and can swing suspension ring (9), maybe can swing shell fragment, but or swing spring, maybe can swing flexible cord.
6. electromagnetism according to claim 3 is weighed the formula article detection device, and it is characterized in that described permanent magnet pendulum (51) is a short cylinder, or be elongated cylinder, or be spherosome, or be cone, or the side's of being body;
Described detection fork (52) is a short tube, or is long tube, or is straight tube, or is bend pipe, or is long tube and the fixing damped part in bottom, and damped part is a blade, or right cylinder, or spherosome, or cone.
7. electromagnetism according to claim 1 is weighed the formula article detection device, it is characterized in that described main body cover (4) is vertical installation, perhaps horizontal type is installed, wherein, electronic module (2) and electromagnet (3) can be placed in the main body cover (4) and make the normal temperature object detection, or electromagnet (3) and magnetic fork (5) placed in the storehouse of High Temperature High Pressure, electronic module (2) places outside the storehouse of normal temperature and pressure and detects as high temp objects, perhaps with magnet coil (32), the part iron core of electromagnet core (31) and electronic module (2) place outside the storehouse, another part iron core of electromagnet core (31) and magnetic fork (5) place in the High Temperature High Pressure storehouse as the superhigh temperature object detection, perhaps only allow the prolongation of surveying fork (52) contact with tested material, remainder place material touch less than the position can be used as remote object detection.
8. electromagnetism according to claim 1 is weighed the formula article detection device, it is characterized in that electromagnet (3) is provided with driving and signals collecting two aspect structures, electromagnet (3) energising is that electric magnetisation produces expulsive force, outage is that magnetic is given birth to electricity and gathered magnetic fork (5) swinging signal, also can establish the mistor sensor in addition, or the Hall proximity transducer, or electric whirlpool formula sensor, the inductance type proximity transducer, or piezoelectric element, or one of them individual components of acceleration transducer comes acquired signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200584847U CN202002702U (en) | 2011-03-08 | 2011-03-08 | Electromagnetic pushing and knocking type object detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200584847U CN202002702U (en) | 2011-03-08 | 2011-03-08 | Electromagnetic pushing and knocking type object detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002702U true CN202002702U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200584847U Expired - Lifetime CN202002702U (en) | 2011-03-08 | 2011-03-08 | Electromagnetic pushing and knocking type object detector |
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| CN (1) | CN202002702U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155968A (en) * | 2011-03-08 | 2011-08-17 | 陈益华 | Electromagnetic pushing-beating-type object-detecting device |
| CN105300583A (en) * | 2015-09-11 | 2016-02-03 | 西安交通大学 | Carbon fiber composite material impact force measuring device and method |
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN111721378A (en) * | 2020-05-29 | 2020-09-29 | 戴彩霞 | Industrial high-temperature boiler steam water volume check out test set |
| CN112683754A (en) * | 2020-12-22 | 2021-04-20 | 北京航空航天大学 | Non-contact electromagnetic detection method for discrete-phase non-conductive particles |
| CN117741773A (en) * | 2023-12-21 | 2024-03-22 | 无锡学院 | Material detection device |
-
2011
- 2011-03-08 CN CN2011200584847U patent/CN202002702U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155968A (en) * | 2011-03-08 | 2011-08-17 | 陈益华 | Electromagnetic pushing-beating-type object-detecting device |
| CN102155968B (en) * | 2011-03-08 | 2012-02-22 | 陈益华 | Electromagnetic pushing-beating-type object-detecting device |
| WO2012119553A1 (en) * | 2011-03-08 | 2012-09-13 | Chen Yihua | Electromagnetic pushing and knocking type object detector |
| CN105300583A (en) * | 2015-09-11 | 2016-02-03 | 西安交通大学 | Carbon fiber composite material impact force measuring device and method |
| CN105300583B (en) * | 2015-09-11 | 2017-10-20 | 西安交通大学 | A kind of impact force measurements device and method of carbon fibre composite |
| CN110531692A (en) * | 2019-07-22 | 2019-12-03 | 湖南华润电力鲤鱼江有限公司 | A kind of design of cycle pulse generating mode |
| CN111721378A (en) * | 2020-05-29 | 2020-09-29 | 戴彩霞 | Industrial high-temperature boiler steam water volume check out test set |
| CN112683754A (en) * | 2020-12-22 | 2021-04-20 | 北京航空航天大学 | Non-contact electromagnetic detection method for discrete-phase non-conductive particles |
| CN112683754B (en) * | 2020-12-22 | 2021-08-24 | 北京航空航天大学 | Non-contact electromagnetic detection method for discrete-phase non-conductive particles |
| CN117741773A (en) * | 2023-12-21 | 2024-03-22 | 无锡学院 | Material detection device |
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