CN2743885Y - Lifting electromagnet temp controller - Google Patents
Lifting electromagnet temp controller Download PDFInfo
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- CN2743885Y CN2743885Y CN 200420022412 CN200420022412U CN2743885Y CN 2743885 Y CN2743885 Y CN 2743885Y CN 200420022412 CN200420022412 CN 200420022412 CN 200420022412 U CN200420022412 U CN 200420022412U CN 2743885 Y CN2743885 Y CN 2743885Y
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- lifting electromagnet
- temperature
- circuit
- electromagnet
- lifting
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Abstract
The utility model relates to a lifting electromagnet temperature controller, comprising a multipoint temperature sampling circuit, a temperature control valve value regulator, a rectifier preventing supply source from reverse connection, a voltage clamp voltage regulating circuit, and a hoisting electromagnet connected with the multipoint temperature sampling circuit in the line connection which are orderly connected in the line connection. The utility model is suitable to all present hoisting electromagnets and meanwhile realizes the automatic real-time monitoring of the temperature of the hoisting electromagnet to enable the replacement of the spare electromagnet with a purpose and to reach the efficiency maximization of the operation of equipment, reducing costs.
Description
Technical field
The utility model relates to a kind of temperature controller, specifically, relates to a kind of lifting electromagnet temperature controller.
Background technology
At present, lifting electromagnet is the most widely used equipment that the harbour is used to load and unload metals such as pig, crop, steel scrap, and it is the dependence instrument of steel scrap loading and unloading.Because the volume of goods loaded and unloaded of steel scrap is big, lifting electromagnet often is in the job state that do not stop continuously, thereby the working temperature of electromagnet is sharply risen, and when the working temperature of electromagnet overstepped the extreme limit, the situation that will burn out electromagnet occurred.And the temperature amplification of lifting electromagnet is subjected to involving of multiple uncertain factor, as:
1, the fluctuation of voltage;
2, the iron and steel kind difference of being drawn;
3, be subjected to the amblent air temperature Temperature Influence;
4, the length of stream time;
5, the quality of lifting electromagnet Inside coil.
So, burn out in order to prevent lifting electromagnet high temperature, need regularly change standby electromagnet usually, promptly, stopped loading and unloading operation in per 12 hours without exception and change standby electromagnet no matter whether the temperature of electromagnet has reached capacity.
Adopt the method for regularly changing electromagnet that very large shortcoming is arranged, that is: science not.Especially more stable when working power voltage, environment temperature is not high, by under the steel grade magnetoconductivity condition with higher of drawing, and the method famine science, time-consuming, influence the efficiency of loading and unloading.According to investigation, in whole replacing number of times, have 97% to belong to preventative replacing, that is to say, overstep the extreme limit in order to prevent the electromagnet temperature, spent 97% idle work to make device security and guaranteed.
And domestic existing another kind of correlation technique: Chinese patent 87210650.C discloses " a kind of forced air-cooled lifting electromagnet ", what it adopted is the physical arrangement transformation of the scale of on a large scale existing lifting electromagnet inside being carried out, to the high-speed double electromagnet air cooling, control (being the air cooling method cooling means) in the inner means such as cooling air channel, air pump of passing through of electromagnet with the temperature that reaches electromagnet.
The method of above-mentioned air cooling method cooling has following shortcoming: because it must carry out the physical arrangement transformation of scale to existing lifting electromagnet inside, just mean that also original electromagnet must suffer exit, this cost on the expense concerning the enterprise customer is too high.And the electromagnet that uses the air cooling method cooling is in the steel scrap operation, and practicality can be restricted, and it only is applicable to the hot steel ingot of drawing fixed in shape in the workshop, monoblock iron and steel such as steel billet, and can't carry out submersible belowdecks.
Summary of the invention
The purpose of this utility model is to provide a kind of lifting electromagnet temperature controller.It is applicable to all lifting electromagnets, can make electromagnet continue to use, and realizes the automatic real-time monitoring to the temperature of lifting electromagnet simultaneously, makes and changes standby electromagnet with a definite target in view, does not flog a dead horse, and provides cost savings.
For achieving the above object, the utility model provides a kind of lifting electromagnet temperature controller.It comprises the multi-point temp sample circuit of circuit connection successively, and temperature control threshold values regulator prevents power supply reversal connection rectifier, the voltage clamp mu balanced circuit; This multi-point temp sample circuit also circuit connects lifting electromagnet;
Described voltage clamp mu balanced circuit also connects electric controller;
Described voltage clamp mu balanced circuit also connects a warning circuit;
Described temperature control threshold values regulator machinery is installed in the lifting electromagnet case surface, connects by several set bolts; It comprises the current limliting fuse cutout that circuit connects, high-power current-limiting resistance, the adjustable sensor of temperature threshold values; The adjustable sensor of described temperature threshold values, it comprises the sealed expansion bag and first contact, and sealed expansion is wrapped and is established a mechanical adjustment bar, and the sealed expansion bag can link to each other with this first contact by this mechanical adjustment bar; Be full of inert fluid in the described sealed expansion bag, it links to each other with a bulb by a conduit;
Described multi-point temp sample circuit comprises the first solid state temperature sensor and the second solid state temperature sensor that is installed in the lifting electromagnet case surface, and it is connected in the lifting electromagnet case surface by several set bolts.
When the temperature of lifting electromagnet in the work constantly raises, because its bulky, can cause heat conducting inhomogeneously,, realize by using these two solid state temperature sensors of the first solid state temperature sensor and the second solid state temperature sensor so need to adopt the multi-point temp sampling.
The contour structures different according to lifting electromagnet, its temperature sampling point is also different.Oval lifting electromagnet is that middle waist temperature is higher and the temperature rising is fast, two portion temperature rises slower, so temperature sampling point can be chosen in the middle waist of oval lifting electromagnet, the promptly described first solid state temperature sensor and the second solid state temperature sensor should be installed in the middle waist of oval lifting electromagnet.Circular lifting electromagnet is that radius mid point portion temperature higher temperature rises soon, center of circle portion temperature rises slower, so the temperature sampling point should be chosen in the radius mid point part of circular lifting electromagnet, the promptly described first solid state temperature sensor and the second solid state temperature sensor should be installed in the radius mid point part of circular lifting electromagnet.
In the course of the work, the first solid state temperature sensor and the second solid state temperature sensor closed conducting earlier when the temperature of lifting electromagnet surpasses 100 ℃, when temperature oversteps the extreme limit, the tension force that sealed expansion bag in the temperature control threshold values regulator expands makes the mechanical adjustment bar promote first contact and makes its conducting, and this moment, electric current can flow through rectifier to the antisurge inductance L.Because the operating voltage of lifting electromagnet is divided into a plurality of periods, be excitatory section, permanent magnetic section, unload the magnetic section, its voltage drop reaches 5～600V, so adopt the voltage clamp mu balanced circuit to come voltage stabilizing, the voltage clamp mu balanced circuit comprises some high-power stabilivolts that are connected in parallel.Power supply after voltage stabilizing is supplied with intense flash device and super loud whistling alarm work, come the port machine operation driver on the commanding and high-altitude on the tip ground with the form of sound+light, this moment, the temperature of this lifting electromagnet overstepped the extreme limit, and needed to change standby electromagnet and burnt out to prevent it.
Electric current can pass through a relay after through the voltage clamp mu balanced circuit simultaneously, and machine electric controller ECM provides data standby to do to the port.
The utility model in actual use, can avoid 97% preventative blindness replacing lifting electromagnet, realized quantified controlling, because ground and aerial real-time monitoring, lifting electromagnet is not as long as temperature reaches capacity, and stream time is long does not again worry that it can burn out yet, thereby makes the maximization of equipment service efficiency, both saved a large amount of labours, unloading the time at sailing date has simultaneously reduced about 10% again.
The utility model is in use operated very simple, owing to the lifting electromagnet operating temperature limit in the continuous working can be known the inside story, and need not operate maintenance, and operating personnel's training in 5 minutes can be grasped very convenient easy.
The utility model is applicable to motor in port, harbour machine steel logistics, the commercial unit, solenoid valve, electromagnetic brake etc.
Description of drawings
Fig. 1 is the circuit block diagram of lifting electromagnet temperature controller in the utility model;
Fig. 2 is the circuit diagram of lifting electromagnet temperature controller in the utility model.
The number in the figure explanation
CG1: the first solid state temperature sensor;
CG2: the second solid state temperature sensor;
PTC: current limliting fuse cutout;
R: high-power current-limiting resistance;
CGW: the adjustable sensor of temperature threshold values;
B: sealed expansion bag
K1, K2: contact
TJ: mechanical adjustment bar
L: antisurge inductance
Embodiment
Following according to Fig. 1 and Fig. 2, a kind of preferred implementation of the present utility model is described.
As shown in Figure 1, be the circuit block diagram of lifting electromagnet temperature controller 1 in the utility model, it comprises the multi-point temp sample circuit 11 of circuit connection successively, and temperature control threshold values regulator 12 prevents power supply reversal connection rectifier 13, voltage clamp mu balanced circuit 14; This multi-point temp sample circuit 11 is gone back circuit and is connected lifting electromagnet 2, and these lifting electromagnet 2 circuit connect field power supply 3; Voltage clamp mu balanced circuit 14 also connects port machine electric controller 15, and the band intense flash, the warning circuit 16 that whistling is reported to the police;
As shown in Figure 2, be the circuit diagram of lifting electromagnet temperature controller in the utility model.Multi-point temp sample circuit 11 comprises the first solid state temperature sensor CG1 and the second solid state temperature sensor CG2 that is installed in the lifting electromagnet case surface, and they are connected in lifting electromagnet case surface (not illustrating in the drawings) by several set bolts.Temperature control threshold values regulator 12 machineries are installed in the lifting electromagnet case surface, connect (not illustrating in the drawings) by several set bolts; It comprises the current limliting fuse cutout PTC that circuit connects, high-power current-limiting resistance R, the temperature threshold values is adjustable sensor CGW; The temperature threshold values is adjustable sensor CGW, it comprises sealed expansion bag B and contact K1, establishes a mechanical adjustment bar TJ on the sealed expansion bag B, and sealed expansion bag B can be by this mechanical adjustment bar TJ K1 that links to each other with this contact; Be full of inert fluid in the sealed expansion bag B, it links to each other with bulb P by conduit G;
When the temperature of lifting electromagnet 2 in the work constantly raises, because its bulky, can cause heat conducting inhomogeneous, so adopt the multi-point temp sampling, promptly by using the first solid state temperature sensor CG1 and these two solid state temperature sensors of the second solid state temperature sensor CG2 to realize, and can realize the more temperature sampling of multiple spot by dynamic contact of bulb P and lifting electromagnet 2.
According to the different contour structures of lifting electromagnet 2, its temperature sampling point is also different.For example, oval lifting electromagnet is that middle waist temperature is higher and the temperature rising is fast, two portion temperature rises slower, so the temperature sampling point should be chosen in the middle waist of oval lifting electromagnet, promptly the first solid state temperature sensor CG1 and the second solid state temperature sensor CG2 should be installed in the middle waist of oval lifting electromagnet.Again for example, circular lifting electromagnet is that radius mid point portion temperature higher temperature rises soon, center of circle portion temperature rises slower, so the temperature sampling point should be chosen in the radius mid point part of circular lifting electromagnet, the promptly described first solid state temperature sensor CG1 and the second solid state temperature sensor CG2 should be installed in the radius mid point part of circular lifting electromagnet.
In the course of work, when the temperature of lifting electromagnet 2 surpasses 100 ℃, the first solid state temperature sensor CG1 and the second solid state temperature sensor CG2 closed conducting earlier, when temperature oversteps the extreme limit, the tension force that sealed expansion bag B among the temperature control threshold values regulator CGW expands makes mechanical adjustment bar TJ promote contact K1 and makes its conducting, and electric current can flow through and prevent that power supply reversal connection rectifier 13 is to the antisurge inductance L this moment.Because the operating voltage of lifting electromagnet 2 is divided into a plurality of periods, promptly excitatory section, permanent magnetic section, unload the magnetic section, its voltage drop reaches 5～600V, so voltage clamp mu balanced circuit 14 comes voltage stabilizing.Power supply after voltage stabilizing is supplied with intense flash device 1061 and 1062 work of super loud whistling alarm, come the port machine operation driver on the commanding and high-altitude on the tip ground with the form of sound+light, this moment, the temperature of this lifting electromagnet 2 overstepped the extreme limit, and needed to change standby electromagnet and burnt out to prevent it.
Electric current is coming the closed second contact K2 through voltage clamp mu balanced circuit 14 backs by relay J simultaneously, and can provide data standby to do this moment to port machine electric controller ECM 15.
The utility model in actual use, can avoid 97% preventative blindness replacing lifting electromagnet, realized quantified controlling, because ground and aerial real-time monitoring, lifting electromagnet is not as long as temperature reaches capacity, and stream time is long does not again worry that it can burn out yet, thereby makes the maximization of equipment service efficiency, both saved a large amount of labours, unloading the time at sailing date has simultaneously reduced about 10% again.
The utility model is in use operated very simple, owing to the lifting electromagnet operating temperature limit in the continuous working can be known the inside story, and need not operate maintenance, and operating personnel's training in 5 minutes can be grasped very convenient easy.
The utility model is applicable to motor in port, harbour machine steel logistics, the commercial unit, solenoid valve, electromagnetic brake etc.
Claims (5)
1. a lifting electromagnet temperature controller is characterized in that, this lifting electromagnet temperature controller comprises the multi-point temp sample circuit of circuit connection successively, and temperature control threshold values regulator prevents power supply reversal connection rectifier, the voltage clamp mu balanced circuit; This multi-point temp sample circuit also circuit connects lifting electromagnet;
Described temperature control threshold values regulator physical construction is installed in the lifting electromagnet case surface, connects by several set bolts; It comprises the current limliting fuse cutout that circuit connects, high-power current-limiting resistance, the adjustable sensor of temperature threshold values.
2. lifting electromagnet temperature controller as claimed in claim 1 is characterized in that, described voltage clamp mu balanced circuit also connects port machine electric controller.
3. lifting electromagnet temperature controller as claimed in claim 1 or 2 is characterized in that, described voltage clamp mu balanced circuit also connects a warning circuit.
4. lifting electromagnet temperature controller as claimed in claim 3, it is characterized in that, the adjustable sensor of described temperature threshold values, it comprises the sealed expansion bag and first contact, sealed expansion is wrapped and is established a mechanical adjustment bar, and the sealed expansion bag can link to each other with this first contact by this mechanical adjustment bar; Be full of inert fluid in the described sealed expansion bag, it links to each other with a bulb by a conduit.
5. lifting electromagnet temperature controller as claimed in claim 4, it is characterized in that, described multi-point temp sample circuit comprises the first solid state temperature sensor and the second solid state temperature sensor that is installed in the lifting electromagnet case surface, and it is connected in the lifting electromagnet case surface by several set bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022412 CN2743885Y (en) | 2004-04-29 | 2004-04-29 | Lifting electromagnet temp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022412 CN2743885Y (en) | 2004-04-29 | 2004-04-29 | Lifting electromagnet temp controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2743885Y true CN2743885Y (en) | 2005-11-30 |
Family
ID=35633903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420022412 Expired - Fee Related CN2743885Y (en) | 2004-04-29 | 2004-04-29 | Lifting electromagnet temp controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2743885Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900374A (en) * | 2017-12-08 | 2019-06-18 | 浙江众邦机电科技有限公司 | System for detecting temperature/method, computer storage medium and the equipment of electromagnet |
-
2004
- 2004-04-29 CN CN 200420022412 patent/CN2743885Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900374A (en) * | 2017-12-08 | 2019-06-18 | 浙江众邦机电科技有限公司 | System for detecting temperature/method, computer storage medium and the equipment of electromagnet |
| CN109900374B (en) * | 2017-12-08 | 2021-05-18 | 浙江众邦机电科技有限公司 | Temperature detection system/method for electromagnet, computer storage medium and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051130 Termination date: 20130429 |