CN104748879A - Magnetic pole temperature measuring device of classificator - Google Patents
Magnetic pole temperature measuring device of classificator Download PDFInfo
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- CN104748879A CN104748879A CN201310746637.0A CN201310746637A CN104748879A CN 104748879 A CN104748879 A CN 104748879A CN 201310746637 A CN201310746637 A CN 201310746637A CN 104748879 A CN104748879 A CN 104748879A
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- magnetic pole
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Abstract
The invention provides a magnetic pole temperature measuring device of a classificatory. The magnetic pole temperature measuring device comprises an airtight cavity for a magnetic pole to be arranged. A sensor for testing the temperature in the airtight cavity, a temperature control device for cutting off a power supply for a measured magnetic pole when the temperature of the sensor is higher than predetermined temperature, a magnetic pole plug electrically connected with the measured magnetic pole and a temperature control plug electrically connected with the temperature control device are arranged on the wall of the airtight cavity. The sensor is connected with the temperature control device. The magnetic pole is arranged in the airtight cavity, power is supplied to the magnetic pole and the temperature control device, and the temperature in the airtight cavity is observed through the sensor. When the temperature in the airtight cavity is up to the set temperature of the sensor, the sensor sends a signal to the temperature control device and triggers the temperature control device to cut off a circuit for supply power to the magnetic pole, the heat dissipation effect of the magnetic pole in the working state can be simulated, the temperature of the tested magnetic pole can be predicted on the basis, a basis is provided for optimization of the magnetic pole structure and the improvement of magnetic pole reliability, and the hidden danger of magnetic pole invalidation caused by the temperature rise is decreased.
Description
Technical field
The present invention relates to magnetic pole thermometric examination technology, particularly relate to a kind of refiner magnetic pole temperature measuring equipment.
Background technology
Magnetic pole is the critical equipment on refiner, and magnetic pole comprises iron core and is wrapped in the coil on iron core, and magnetic pole temperature is too high and temperature rise is too fast is all easily burnt, and the magnetic pole on existing refiner is typically provided with cooling device, in order on refiner for magnetic pole selects the suitable type of cooling, after pole design, usually simulation test is carried out to magnetic pole, the temperature variation of test magnetic pole under different field conditions, under not having now special proving installation in working order, temperature simulation test is carried out to refiner magnetic pole, namely do not know which type of field structure is better, do not know the high temperature resistant value of magnetic pole under different magnetic field intensity, under this background, there is many hidden danger, need the test platform of a set of test magnetic pole specially, for optimizing field structure and selecting suitable cooling device to lay the foundation.
Summary of the invention
The invention provides a kind of refiner magnetic pole temperature measuring equipment, for overcoming defect of the prior art, providing foundation for optimizing refiner field structure and improving refiner magnetic pole reliability, and reduce refiner magnetic pole because of temperature rise and cause the hidden danger that lost efficacy.
The invention provides a kind of refiner magnetic pole temperature measuring equipment, this device comprises one for placing the closed chamber of tested magnetic pole;
Described closed chamber wall has:
For test this airtight cavity temperature sensor,
For sensor temperature higher than during predetermined temperature cut off to described tested magnetic pole power supply attemperating unit,
For be electrically connected described tested magnetic pole magnetic pole plug and
For being electrically connected the temp-control plug of described attemperating unit;
Described sensor is connected with described attemperating unit.
Refiner magnetic pole temperature measuring equipment provided by the invention, by tested magnetic pole is placed in closed chamber, power to tested magnetic pole solenoid and attemperating unit, by the temperature in sensors observe closed chamber, when airtight cavity temperature reaches sensor settings temperature, sensor sends signal to attemperating unit and triggers the circuit of attemperating unit cut-out to tested magnetic pole solenoid, tested magnetic pole can be simulated by said apparatus and be in down radiating effect under gaseous medium or liquid medium in working order, also the temperature of tested magnetic pole can be predicted according to above-mentioned test, foundation is provided for optimizing refiner field structure and improving refiner magnetic pole reliability, and reduce refiner magnetic pole because of temperature rise cause lost efficacy hidden danger.
Accompanying drawing explanation
The front view of the refiner magnetic pole proving installation that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is along A-A to cut-open view in Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the front view of erecting frame in Fig. 1;
Fig. 5 is along B-B to cut-open view in Fig. 4;
Fig. 6 is the vertical view of Fig. 4;
Fig. 7 is the schematic diagram of attemperating unit in Fig. 1;
Fig. 8 is the front view of indication box in Fig. 1;
Fig. 9 is along C-C to cut-open view in Fig. 8.
Embodiment
As shown in figs 1-9, the embodiment of the present invention provides a kind of refiner magnetic pole temperature measuring equipment, and this device comprises one for placing the closed chamber 2 of tested magnetic pole 1; Closed chamber wall has: for test this airtight cavity temperature sensor 3, for sensor 3 temperature higher than during predetermined temperature cut off to the attemperating unit 4 of tested magnetic pole 1 power supply, for being electrically connected the magnetic pole plug 1a of tested the magnetic pole 1 and temp-control plug 4a for being electrically connected attemperating unit 4; Sensor 3 is connected with attemperating unit 4.The iron core 11 of tested magnetic pole 1 is wound with solenoid 12, and the solenoid 12 of magnetic pole plug 1a and tested magnetic pole 1 is electrically connected.
Refiner magnetic pole temperature measuring equipment provided by the invention, by tested magnetic pole 1 is placed in closed chamber 2, power to tested magnetic pole 1 solenoid and attemperating unit 4, the temperature in closed chamber 2 is observed by sensor 3, when in closed chamber 2, temperature reaches sensor 3 design temperature, sensor 3 sends signal to attemperating unit 4 and triggers attemperating unit 4 and cuts off circuit to tested magnetic pole 1 solenoid, tested magnetic pole 1 can be simulated by said apparatus and be in down radiating effect under gaseous medium or liquid medium in working order, also the temperature of tested magnetic pole 1 can be predicted according to above-mentioned test, Gauss's instrument can also be established on closed chamber wall, for measuring the magnetic field intensity in closed chamber 2, foundation is provided for optimizing refiner field structure and improving refiner magnetic pole reliability, and decrease refiner magnetic pole because of temperature rise cause lost efficacy hidden danger, reduce the after sale service expense about 60% of test product on year-on-year basis.
Embodiment as above-described embodiment:
Closed chamber 2 is jointly enclosed by the guard shield 22 of erecting frame 21 and a side opening and is formed; Erecting frame 21 has two yoke 21a, the iron core 1a two ends of tested magnetic pole 1 are connected with yoke 21a respectively; Magnetic pole plug 1a and temp-control plug 4a is all located on erecting frame 21.
Said structure is simple and be easy to install, and be tightly connected by sealing gasket 23 between erecting frame 21 and guard shield 22, erecting frame 21 can select the part with refiner roll form and measure-alike cylinder, with accurate analog test effect more.
Improvement further as above-described embodiment:
Guard shield 22 top is provided with and is provided for the equal respirator of closed chamber external and internal pressure 24; The plug 25 for draining the oil is provided with bottom guard shield 22.When in closed chamber 2, temperature raises, pressure can raise, and in order to ensure safety, arranges respirator 24 equal for ensureing closed chamber 2 external and internal pressure; When air dielectric cannot meet testing requirements, due to the heat dispersion of oil, comparatively air is higher, oil can be selected to carry out thermometric test as heat eliminating medium, need in closed chamber 2, to pass into oil through respirator 24, tests completely to be gone out by fry dried food ingredients in closed chamber through plug 25.Vernier 26 can also be set on guard shield 22 for observing the oil level in closed chamber 2.
Preferred version as above-described embodiment:
As Figure 7-9, attemperating unit 4 comprises executive circuit and control circuit, and executive circuit comprises the first direct supply 41, A.C. contactor normally closed contact 43b and the tested magnetic pole 1 of connecting successively; Control circuit, comprises the second direct supply 42, temperature controller 40, alarm 44, electromagnetic relay 45, ac contactor coil 43a, AC power 46; AC power 46 is connected with two working power pins of temperature controller 40; Electromagnetic relay coil 45a is connected with two warning pins of temperature controller 40, the normally closed contact 45b of electromagnetic relay connects with relay indicating light 47 and forms work branch, the normally opened contact 45c of electromagnetic relay connects with alarm 44 and forms warning branch road, and the circuit connected in series formed after work branch and warning branch circuit parallel connection is between the second direct supply 42; Sensor 3 is connected between the input pin of temperature controller 40; Ac contactor coil 43b is connected between the output pin of temperature controller 40.Ac contactor coil 43a and A.C. contactor normally closed contact 43b forms A.C. contactor 43.
When testing, connect executive circuit and control circuit, when the temperature in closed chamber 2 is below the design temperature of sensor 3; Ac contactor coil 43a and electromagnetic relay coil 45 all dead electricity, A.C. contactor normally closed contact 43b closes, and tested magnetic pole 1 obtains electric; Electromagnetic relay normally closed contact 45b closes, and relay indicating light 47 is luminous, and electromagnetic relay normally opened contact 45c disconnects, and alarm 44 does not work;
When the temperature in closed chamber 2 exceedes the design temperature of sensor 3; Ac contactor coil 43a and electromagnetic relay coil 45 all electric, A.C. contactor normally closed contact 43b disconnects, tested magnetic pole 1 electric; Electromagnetic relay normally closed contact 45b disconnects, and relay indicating light 47 extinguishes, and electromagnetic relay normally opened contact 45c closes, and alarm 44 is reported to the police.
Attemperating unit in the present embodiment, dependable performance, stable, temperature controller can select HY-C700 temperature controller, has connected that cost is low, arc extinguishing is good, A.C. contactor 43 and platinum sensor PT100 reliably reliably in circuit.
In above-described embodiment:
Alarm 44 comprises alarm lamp 44a and hummer 44b;
The branch road that alarm lamp 44a and hummer 44b parallel connection are formed afterwards is connected with the normally opened contact 45c of electromagnetic relay and is formed warning branch road.Alarm lamp 44a can select redness, and relay indicating light 47 can select green, and alarm lamp 44a and hummer 44b uses simultaneously, sends alerting signal respectively from vision and the sense of hearing, is easy to cause operator to note.
In above-described embodiment:
First direct supply 41 and the second direct supply 42 provide by electrical control cubicles 48; AC power 46 is powered to electrical control cubicles 48; Fuse 49 is connected with between AC power 46 and electrical control cubicles 48.
Export two kinds of direct supplys by electrical control cubicles 48, only need an AC power can meet test needs, short form test required electric power facility, meet more occasions and use.
In above-described embodiment:
Magnetic pole plug 1a connects the first direct supply 41; Temp-control plug 4a comprises temperature control for plug and temperature control alarming plug; Temperature control connects AC power 46 for plug; Temperature control alarming plug connects the second direct supply 42.
As shown in Figure 7, Figure 8, can arrange an indication box 27 at erecting frame 21 top, temperature controller 40, relay indicating light 47, alarm lamp 44a and hummer 44b are all located in this instruction and 27, are conducive to layout and the protection said elements of circuit.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a refiner magnetic pole temperature measuring equipment, is characterized in that, this device comprises one for placing the closed chamber of tested magnetic pole;
The chamber wall of described closed chamber has:
For test this airtight cavity temperature sensor,
For sensor temperature higher than during predetermined temperature cut off to described tested magnetic pole power supply attemperating unit,
For be electrically connected described tested magnetic pole magnetic pole plug and
For being electrically connected the temp-control plug of described attemperating unit;
Described sensor is connected with described attemperating unit.
2. refiner magnetic pole temperature measuring equipment according to claim 1, is characterized in that:
Described closed chamber is jointly enclosed by the guard shield of erecting frame and a side opening and is formed;
Described erecting frame has two yokes, the iron core two ends of described tested magnetic pole are connected with described yoke respectively;
Described magnetic pole plug and temp-control plug are all located on described erecting frame.
3. refiner magnetic pole temperature measuring equipment according to claim 2, is characterized in that:
Described guard shield top is provided with and is provided for the equal respirator of closed chamber external and internal pressure;
The plug for draining the oil is provided with bottom described guard shield.
4., according to the arbitrary described refiner magnetic pole temperature measuring equipment of claim 1-3, it is characterized in that:
Described attemperating unit comprises:
Executive circuit, comprises the first direct supply, A.C. contactor normally closed contact and the tested magnetic pole of connecting successively;
Control circuit, comprises the second direct supply, temperature controller, alarm, electromagnetic relay, ac contactor coil and AC power;
Described AC power is connected with two working power pins of described temperature controller;
The coil of described electromagnetic relay is connected with two warning pins of described temperature controller, the normally closed contact of described electromagnetic relay is connected with relay indicating light and is formed work branch, the normally opened contact of described electromagnetic relay is connected with alarm and is formed warning branch road, forms circuit connected in series between described second direct supply after described work branch and described warning branch circuit parallel connection;
Described sensor is connected between the input pin of described temperature controller;
Described ac contactor coil is connected between the output pin of described temperature controller.
5. refiner magnetic pole temperature measuring equipment according to claim 4, is characterized in that:
Described alarm comprises alarm lamp and hummer;
The branch road that described alarm lamp and described hummer parallel connection are formed afterwards is connected with the normally opened contact of described electromagnetic relay and is formed described warning branch road.
6. refiner magnetic pole temperature measuring equipment according to claim 4, is characterized in that:
Described first direct supply and the second direct supply provide by electrical control cubicles;
Described AC power is powered to described electrical control cubicles;
Fuse is connected with between described AC power and electrical control cubicles.
7. refiner magnetic pole temperature measuring equipment according to claim 6, is characterized in that:
Described magnetic pole plug connects described first direct supply;
Described temp-control plug comprises temperature control for plug and temperature control alarming plug;
Described temperature control connects described AC power for plug;
Described temperature control alarming plug connects described second direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746637.0A CN104748879A (en) | 2013-12-30 | 2013-12-30 | Magnetic pole temperature measuring device of classificator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310746637.0A CN104748879A (en) | 2013-12-30 | 2013-12-30 | Magnetic pole temperature measuring device of classificator |
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| Publication Number | Publication Date |
|---|---|
| CN104748879A true CN104748879A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310746637.0A Pending CN104748879A (en) | 2013-12-30 | 2013-12-30 | Magnetic pole temperature measuring device of classificator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506794A (en) * | 2018-10-24 | 2019-03-22 | 重庆大学 | A kind of measuring device of frozen soil starting solidification point |
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| JP2002341002A (en) * | 2001-05-15 | 2002-11-27 | Jeol Ltd | Magnetic field correction device for nuclear magnetic resonance |
| CN102507725A (en) * | 2011-10-28 | 2012-06-20 | 北京航空航天大学 | Measuring device and measuring method of superconductive AC magnetic susceptibility |
| CN202710201U (en) * | 2012-08-19 | 2013-01-30 | 中国船舶重工集团公司第七一二研究所 | Device for detecting temperature of permanent magnet of permanent-magnetic motor online |
| CN203083726U (en) * | 2012-12-24 | 2013-07-24 | 上海大郡动力控制技术有限公司 | Temperature real-time detection apparatus for permanent magnet of permanent magnet synchronous motor |
| CN203772442U (en) * | 2013-12-30 | 2014-08-13 | 北京南口轨道交通机械有限责任公司 | Classificator magnetic pole temperature measuring device |
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2013
- 2013-12-30 CN CN201310746637.0A patent/CN104748879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002341002A (en) * | 2001-05-15 | 2002-11-27 | Jeol Ltd | Magnetic field correction device for nuclear magnetic resonance |
| CN102507725A (en) * | 2011-10-28 | 2012-06-20 | 北京航空航天大学 | Measuring device and measuring method of superconductive AC magnetic susceptibility |
| CN202710201U (en) * | 2012-08-19 | 2013-01-30 | 中国船舶重工集团公司第七一二研究所 | Device for detecting temperature of permanent magnet of permanent-magnetic motor online |
| CN203083726U (en) * | 2012-12-24 | 2013-07-24 | 上海大郡动力控制技术有限公司 | Temperature real-time detection apparatus for permanent magnet of permanent magnet synchronous motor |
| CN203772442U (en) * | 2013-12-30 | 2014-08-13 | 北京南口轨道交通机械有限责任公司 | Classificator magnetic pole temperature measuring device |
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| 张磊 等: "非接触式水轮发电机转子磁极温度动态监测系统", 《仪表技术与传感器》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506794A (en) * | 2018-10-24 | 2019-03-22 | 重庆大学 | A kind of measuring device of frozen soil starting solidification point |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 102202 Beijing city Changping District town of South Road North, South Town West No. 584 No. 585 Applicant after: Beijing Zhongche Nankow Machinery Co. Ltd. Address before: 102202 Beijing city Changping District town of South Road North Applicant before: Beijing NanKou Railway Transit Machinery Co., Ltd. |
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| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |
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| WD01 | Invention patent application deemed withdrawn after publication |