CN212363443U - Induction heating bright annealing multipoint infrared temperature measurement system - Google Patents
Induction heating bright annealing multipoint infrared temperature measurement system Download PDFInfo
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- CN212363443U CN212363443U CN202021444269.6U CN202021444269U CN212363443U CN 212363443 U CN212363443 U CN 212363443U CN 202021444269 U CN202021444269 U CN 202021444269U CN 212363443 U CN212363443 U CN 212363443U
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Abstract
An induction heating bright annealing multipoint infrared temperature measurement system relates to the technical field of temperature measurement of induction heating furnaces, and comprises a temperature regulation device, a furnace tube, an induction coil and a heat preservation sleeve, wherein the furnace tube, the induction coil and the heat preservation sleeve are sequentially sleeved from inside to outside; the controller is respectively connected with an alarm device and at least two infrared thermometers in a signal mode, an infrared probe of each infrared thermometer is fixed on the outer wall of the heat-insulating sleeve through a fixing piece, and the infrared probes correspondingly irradiate the outer wall of the furnace tube between every two adjacent coil units; this infrared temperature measurement system of multiple spot can improve the temperature measurement effect, effectively avoids causing the accident that furnace body or induction coil burn out because of single-point temperature measurement temperature out of control.
Description
Technical Field
The utility model belongs to the technical field of the induction heating furnace temperature measurement technique and specifically relates to an infrared temperature measurement system of induction heating bright annealing multiple spot.
Background
The induction heating has the advantages of high efficiency, high heating temperature, easy automatic control, safety, reliability, convenient operation and use, small occupied area of an installation field, contribution to improving the environment and the like, is widely applied to the field of bright annealing of workpieces, and generally adopts a common thermocouple to carry out single-point detection on the annealing temperature in order to effectively control the annealing temperature; in practical application, it is found that a common thermocouple is low in temperature measurement accuracy, easy to damage after long-time use and inconvenient to replace, and once temperature measurement is inaccurate, temperature measurement faults cannot be found in time, so that accidents such as uneven heating of workpieces needing annealing, burning deformation of an induction coil or a furnace pipe and the like can be caused, the annealing quality of products is reduced, and the maintenance cost of equipment is increased, so that improvement needs to be carried out aiming at the defects of the temperature measurement method.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses an infrared temperature measurement system of induction heating bright annealing multiple spot can improve the temperature measurement effect, effectively avoids causing the accident that furnace body or induction coil burn out because of single-point temperature measurement temperature out of control.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an induction heating bright annealing multipoint infrared temperature measurement system comprises a temperature regulation device, a furnace tube, an induction coil and a heat insulation sleeve, wherein the furnace tube, the induction coil and the heat insulation sleeve are sequentially sleeved from inside to outside; the controller is respectively connected with an alarm device and at least two infrared thermometers in a signal mode, infrared probes of the infrared thermometers are fixed on the outer wall of the heat insulation sleeve through fixing pieces, and the infrared probes correspondingly irradiate the outer wall of the furnace tube between the two adjacent coil units.
Further, the fixing part comprises a heat-insulating guide pipe, a plurality of guide holes matched with the corresponding guide pipes in an inserted mode are formed in the wall, corresponding to the gap between the two adjacent coil units, of the heat-insulating sleeve, the inner end face of each guide pipe is an arc face matched with the pipe wall of the corresponding furnace pipe in a contact mode, and the inner wall of the outer end of each guide pipe is in corresponding threaded connection with the outer wall of the corresponding infrared probe.
Furthermore, transparent protective glass is fixed on the inner wall of the middle part of the guide pipe.
Furthermore, a plurality of guide holes are circumferentially distributed along the same section of the heat-insulating sleeve.
Further, the number of the infrared thermometers is two.
Further, the alarm device is a buzzer alarm.
Further, the coil unit is a hollow tube winding structure, and the temperature adjusting device comprises a heating power supply correspondingly connected with the outer walls of the two ends of the coil unit and water cooling equipment correspondingly connected with the two ports of the coil unit.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an induction heating bright annealing multiple spot infrared temperature measurement system, adopt infrared thermometer to measure the temperature of furnace tube outer wall at least two temperature measurement points simultaneously, and feed back the temperature value of these temperature measurement points to the controller and carry out logic analysis, the controller compares the temperature of these temperature measurement points and finds out maximum Tm, and take Tm as the final feedback value of temperature to participate in the temperature regulation control of mesh belt annealing stove, and obtain other temperature measurement points respectively with the temperature difference T of Tm through calculating, and monitor the value of T in real time, when T is greater than or equal to the error value that sets for, if 50 degrees, judge that infrared probe that the temperature is low is the trouble, and send out the warning and inform the operating personnel to maintain; for traditional thermocouple single-point temperature measurement method, the utility model discloses an infrared thermometer detects the boiler tube surface temperature in the insulation cover, it is higher to detect the precision, and because infrared probe does not need the contact boiler tube, greatly reduced infrared probe's damage probability, even the condition that infrared probe damaged appears, also can rely on the advantage of multiple spot temperature measurement, guarantee temperature measurement's accuracy, make the annealing quality of work piece can satisfy the requirement, and effectively avoided the accident that boiler tube or induction coil that the temperature out of control caused burns out, the equipment fault rate has been reduced, the operation maintenance cost of equipment has been reduced.
Drawings
Fig. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the fixing frame;
fig. 3 is a temperature measurement control chart of the present invention.
In the figure: 1. a furnace tube; 2. an induction coil; 201. a coil unit; 3. a thermal insulation sleeve; 4. a temperature adjustment device; 5. an alarm device; 6. a controller; 7. an infrared thermometer; 701. an infrared probe; 8. a fixing member; 801. a guide tube; 802. protective glass; 803. and (4) cambered surface.
Detailed Description
The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:
the induction heating bright annealing multipoint infrared temperature measuring system described in the attached drawings 1-3 comprises a temperature adjusting device 4, a furnace tube 1, an induction coil 2 and a heat preservation sleeve 3 which are sequentially sleeved from inside to outside, wherein the induction coil 2 is composed of a plurality of sections of coil units 201 which are arranged at intervals, the plurality of sections of coil units 201 are respectively and correspondingly connected with the temperature adjusting device 4, the temperature adjusting device 4 is in signal connection with a controller 6, and the temperature adjusting device 4 is used for adjusting the heating temperature of the induction coil 3, so that the bright annealing quality of a workpiece is ensured; according to the requirement, the coil unit 201 is a hollow tube winding structure, the temperature adjusting device 4 comprises a heating power supply correspondingly connected with the outer walls of the two ends of the coil unit 201 and water cooling equipment correspondingly connected with the two ports of the coil unit 201, the controller 6 can control the heating power supply to supply power to the coil unit 201, so that the coil unit 201 can perform induction heating, and meanwhile, the controller 6 can also control the water cooling equipment to introduce cooling water into the coil unit 201 to cool the coil unit 201;
the controller 6 is respectively connected with the alarm device 5 and at least two infrared thermometers 7 in a signal mode, if three infrared thermometers 7 are arranged, if one infrared thermometer 7 is found to be damaged, the infrared thermometers can be directly dismounted, the replacement time is shortened, and the maintenance efficiency is improved; according to the requirement, the alarm device 5 is a buzzer alarm, in addition, two infrared thermometers 7 are arranged, the number of the infrared thermometers 7 is saved, but the broken infrared thermometers 7 need to be replaced in time; the infrared probe 701 of the infrared thermometer 7 is fixed on the outer wall of the heat-insulating sleeve 3 through the fixing piece 8, and the infrared probe 701 correspondingly irradiates the outer wall of the furnace tube 1 between two adjacent coil units 201 and is used for measuring the temperature of the tube wall of the furnace tube 1 at the workpiece outlet, the detection precision of the infrared thermometer 7 is higher, and the infrared probe 701 does not need to contact the furnace tube 1, so that the damage probability of the infrared probe 701 is greatly reduced; according to the requirement, the fixing piece 8 comprises a heat-insulating guide pipe 801 to prevent heat loss, a plurality of guide holes matched with the corresponding guide pipe 801 in an inserted manner are formed in the sleeve wall of the gap between every two adjacent coil units 201 of the heat-insulating sleeve 3, the inner end face of the guide pipe 801 is provided with an arc surface 803 matched with the pipe wall of the furnace pipe 1 in a contact manner, so that smoke dust or impurities in the heat-insulating sleeve 3 are prevented from entering the guide pipe 801 to influence the temperature measurement precision, the inner wall of the outer end of the guide pipe 801 is correspondingly in threaded connection with the outer wall of the infrared probe 701, and; in addition, the transparent protective glass 802 is fixed on the inner wall of the middle part of the guide pipe 801, so that the infrared probe 701 can be protected while the measurement accuracy of the infrared probe 701 is not influenced; in addition, a plurality of guide holes are circumferentially distributed along the same section of the heat-insulating sleeve 3, so that the actual temperatures of the outer walls of the furnace tubes 1 corresponding to the infrared probes 701 are relatively consistent.
When two infrared thermometers 7 are used to measure the temperature of two temperature measuring points of the furnace tube 1 simultaneously, the temperature values of the two temperature measuring points are fed back to the controller 6 for logic analysis, the controller 6 compares the temperatures of the two temperature measuring points to find out a larger value Tm, the Tm is used as the final feedback value of the temperature and is used as the temperature of the temperature regulation device 4 of the mesh belt annealing furnace, and the temperature difference T = T1-T2 | of the two temperature measuring points is obtained by calculation, the value of T is monitored in real time, when the T is larger than or equal to the set error value, if 50 ℃, the temperature measuring point with lower temperature is judged to be fault, and an alarm is sent to inform an operator to maintain.
The part of the utility model not detailed is prior art.
Claims (7)
1. The utility model provides an infrared temperature measurement system of induction heating bright annealing multiple spot, contains temperature regulation apparatus (4) to and boiler tube (1), induction coil (2) and insulation cover (3) of establishing from inside to outside cover in proper order, induction coil (2) comprise coil unit (201) that the multistage interval set up, and multistage coil unit (201) correspond with temperature regulation apparatus (4) respectively and are connected, temperature regulation apparatus (4) signal connection has controller (6), its characterized in that: the controller (6) is respectively connected with an alarm device (5) and at least two infrared thermometers (7) in a signal mode, an infrared probe (701) of each infrared thermometer (7) is fixed to the outer wall of the heat insulation sleeve (3) through a fixing piece (8), and the infrared probe (701) correspondingly irradiates the outer wall of the furnace tube (1) between the two adjacent coil units (201).
2. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 1, characterized in that: the fixing piece (8) comprises a heat-insulating guide pipe (801), a plurality of guide holes matched with the corresponding guide pipe (801) in an inserted mode are formed in the wall of the gap between the two adjacent coil units (201) corresponding to the heat-insulating sleeve (3), the inner end face of the guide pipe (801) is set to be an arc face (803) matched with the pipe wall of the furnace pipe (1), and the inner wall of the outer end of the guide pipe (801) is connected with the outer wall of the infrared probe (701) in a corresponding threaded mode.
3. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 2, characterized in that: transparent protective glass (802) is fixed on the inner wall of the middle part of the guide pipe (801).
4. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 2, characterized in that: the guide holes are circumferentially distributed along the same section of the heat-insulating sleeve (3).
5. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 1, characterized in that: the number of the infrared thermometers (7) is two.
6. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 1, characterized in that: the alarm device (5) is a buzzer alarm.
7. The induction heating bright annealing multipoint infrared temperature measurement system according to claim 1, characterized in that: coil unit (201) are hollow tube winding structure, temperature regulation apparatus (4) contain with coil unit (201) both ends outer wall correspond the heating power who is connected to and the water-cooling equipment who corresponds the connection with coil unit (201) both ends mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444269.6U CN212363443U (en) | 2020-07-21 | 2020-07-21 | Induction heating bright annealing multipoint infrared temperature measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021444269.6U CN212363443U (en) | 2020-07-21 | 2020-07-21 | Induction heating bright annealing multipoint infrared temperature measurement system |
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| Publication Number | Publication Date |
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| CN212363443U true CN212363443U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021444269.6U Expired - Fee Related CN212363443U (en) | 2020-07-21 | 2020-07-21 | Induction heating bright annealing multipoint infrared temperature measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468657A (en) * | 2022-11-15 | 2022-12-13 | 陀螺人工智能(山东)有限公司 | Radiation high-temperature measuring equipment and method for high-frequency quenching parts |
-
2020
- 2020-07-21 CN CN202021444269.6U patent/CN212363443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468657A (en) * | 2022-11-15 | 2022-12-13 | 陀螺人工智能(山东)有限公司 | Radiation high-temperature measuring equipment and method for high-frequency quenching parts |
| CN115468657B (en) * | 2022-11-15 | 2023-03-10 | 陀螺人工智能(山东)有限公司 | Radiation high-temperature measuring equipment and method for high-frequency quenching parts |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |