CN104122472A - Detection system and detection method for judging heating uniformity of electric heating pipe - Google Patents
Detection system and detection method for judging heating uniformity of electric heating pipe Download PDFInfo
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- CN104122472A CN104122472A CN201410380653.7A CN201410380653A CN104122472A CN 104122472 A CN104122472 A CN 104122472A CN 201410380653 A CN201410380653 A CN 201410380653A CN 104122472 A CN104122472 A CN 104122472A
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- 230000036760 body temperature Effects 0.000 claims description 5
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Abstract
The invention provides a detection system and a detection method for judging heating uniformity of an electric heating pipe, wherein the detection system comprises: the bearing module comprises at least one electric heating pipe bracket, and one electric heating pipe is fixedly arranged on one electric heating pipe bracket; the power supply module is electrically connected with the electric heating pipe; the detection module comprises a temperature sensing device for detecting heat signals sent by different areas of the electric heating pipe when the electric heating pipe is in a power-on state or a magnetic field sensing device for detecting magnetic signals of different areas of the electric heating pipe when the electric heating pipe is in the power-on state, and the detection module is electrically connected with the power supply module; the main control module is electrically connected with the power supply module and the detection module and is used for judging whether the electric heating pipe is qualified or not according to the detection result of the detection module; and the alarm device is electrically connected with the main control module and gives an alarm when the main control module determines that the electric heating pipe is unqualified. The invention can improve the reliability of the product.
Description
Technical field
The present invention relates to electric heating tube product quality inspection technical field, judge electric heating tube heating inhomogeneity and detection system and detection method in particular to one.
Background technology
The heating homogeneity of tubular metal electric heating element is one of the product quality quality of reflection heating itself and important parameter of reliability height.And electrical heating wire wrapping wire inequality, it is inhomogeneous that the overstocked place of electrical heating wire is prone to body local pyrexia, this can accelerating resistor silk the aging distortion of (electrical heating wire), even " bombing " burn.Therefore, for ensureing the electric heater operation of normally generating heat, thereby ensure that complete machine moves, and guarantees product quality and reliability of service life then.Must ensure that the inner wrapping wire of electric heating tube is even.
The heater of electrical heating elements should be uniformly, should be not more than 15% along the heating wire number of turns deviation of the pipe center position unit length of the electrical heating elements of tubulose.And utilize at present existing fluoroscopy installation to check internal resistance filament winding number of turns deviation processed, although directly perceived, but the life consumption of EM equipment module is large, and the cost of long-term operation is high, and part large volume heat-generating pipe cannot be placed with a step and have an X-rayed put in place (x-ray fluoroscopy region is limited), therefore utilize the operability of fluoroscopy installation inspection not high, can not meet the requirement of full inspection of my director's phase efficiency.
Summary of the invention
The present invention aims to provide a kind of judge electric heating tube generate heat inhomogeneity detection system and detection method, utilizes the operability of fluoroscopy installation inspection not high to solve in prior art, can not meet the technical matters that the efficiency of long-term full inspection requires.
To achieve these goals, according to an aspect of the present invention, provide a kind of judgement electric heating tube inhomogeneity detection system of generating heat, having comprised: carrier module, carrier module comprises at least one electric heating tube support, and an electric heating tube is fixedly installed on an electric heating tube support; Supply module, supply module is electrically connected with electric heating tube; Detection module, comprise the temperature sensing device that detects the thermal signal that the zones of different of electric heating tube electric heating tube in the time of "on" position sends or the magnetic field induction device that detects the magnetic signal of electric heating tube zones of different of electric heating tube in the time of "on" position, detection module is electrically connected with supply module; Main control module, main control module is all electrically connected with supply module, detection module, and main control module is for judging that according to the testing result of detection module whether electric heating tube is qualified; Alarm device, alarm device is electrically connected with main control module, and alarm device gives the alarm in the time that main control module determines that electric heating tube is defective.
Further, detection module comprises multiple contact type temperature sensors, multiple contact type temperature sensors are for detection of the temperature of the zones of different of electric heating tube, contact type temperature sensor comprises probe, different test positions on electric heating tube offer some threaded holes, each probe is screwed onto in corresponding threaded hole, multiple contact type temperature sensors are all electrically connected with supply module, main control module, and main control module judges that according to the difference of the temperature of the zones of different of electric heating tube whether electric heating tube is qualified.
Further, detection module comprises testing platform and contactless detection device, and contactless detection device is arranged on testing platform, and contactless detection device is all electrically connected with supply module, main control module.
Further, carrier module comprises multiple electric heating tube supports, and multiple electric heating tube supports arrange successively along first direction, and detection module is arranged on the opposite side of carrier module movingly along first direction.
Further, on electric heating tube support, be provided with signal projector, on testing platform, be provided with signal receiver, signal receiver receives the signal that signal projector sends; Detection module also comprises servomotor and moving guide rail, testing platform is arranged on moving guide rail, driven by servomotor moving guide rail, signal receiver is electrically connected with main control module, servomotor is electrically connected with main control module, and signal receiver receives the signal of signal projector to determine the working position of testing platform with respect to electric heating tube support.
Further, the installation site of contactless detection device on testing platform is adjustable.
Further, contactless detection device comprises thermal infrared imager, and thermal infrared imager is for detection of the temperature of the zones of different of an electric heating tube, and main control module judges that according to the difference of the temperature of the zones of different of electric heating tube whether electric heating tube is qualified.
Further, contactless detection device comprises magnetic induction density tester, magnetic induction density tester is used for the magnetic field intensity of the zones of different of testing an electric heating tube, and main control module judges that according to the magnetic field intensity of the zones of different of electric heating tube whether electric heating tube is qualified.
Further, supply module comprises pressure regulator and the time relay, and pressure regulator is electrically connected with power supply, and pressure regulator is electrically connected with the time relay, and the time relay is electrically connected with electric heating tube.
Further, supply module also comprises isolating transformer and A.C. contactor, and pressure regulator is electrically connected with power supply by isolating transformer, and the time relay is electrically connected with electric heating tube by A.C. contactor.
According to a further aspect in the invention, provide a kind of judgement electric heating tube inhomogeneity detection method of generating heat, comprised the following steps: step S1: electric heating tube is switched on; Step S2: detect the thermal signal of zones of different of electric heating tube or the electromagnetic signal of the zones of different of detection electric heating tube; Step S3: judge that according to the testing result of detection module whether electric heating tube is qualified; Step S4: give the alarm in the time that main control module determines that electric heating tube is defective.
Further, in step S2, application of temperature induction installation detects the temperature of the zones of different of electric heating tube; In step S3, judge that according to the difference of the temperature of the zones of different of electric heating tube whether electric heating tube is qualified.
Further, in step S2, applying a magnetic field induction installation detects the magnetic field intensity of the zones of different of electric heating tube; In step S3, judge that according to the difference of the magnetic field intensity of the zones of different of electric heating tube whether electric heating tube is qualified.
Further, in step S1, to electric heating tube electrical heating, and the body temperature of electric heating tube is reached in the scope in predetermined temperature interval.
Apply technical scheme of the present invention, electric heating tube is fixed on electric heating tube support, under the electric power supply of supply module, electric heating tube and detection module all can be switched in conducting; Then, the temperature sensing device of application detection module detects the thermal signal of electric heating tube, and the temperature thermal signal electrical transmission obtaining detecting is processed to main control module, and judge that whether electric heating tube is qualified, if it is defective that main control module judges electric heating tube, alarm device will give the alarm; Or the magnetic signal of zones of different after the conducting of applying a magnetic field induction installation detection electric heating tube, and judge that whether electric heating tube is qualified, if it is defective that main control module judges electric heating tube, be defective if main control module judges electric heating tube, alarm device will give the alarm.Apply technical scheme of the present invention, can meet the efficiency requirement of long-term full inspection, and the operability of detection system of the present invention is better with respect to the detection operability of fluoroscopy installation.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The generate heat structural representation of inhomogeneity detection system of the judgement electric heating tube that Fig. 1 shows embodiments of the invention;
The generate heat structural representation of carrier module of inhomogeneity detection system of the judgement electric heating tube that Fig. 2 shows embodiments of the invention;
The generate heat electric heating tube of carrier module of inhomogeneity detection system of the judgement electric heating tube that Fig. 3 shows embodiments of the invention is provided with the structural representation of the threaded hole that contact type temperature sensor is installed;
The generate heat temperature sensor schematic diagram of inhomogeneity detection system of the judgement electric heating tube that Fig. 4 shows embodiments of the invention; And
Fig. 5 shows the enlarged diagram at H place in Fig. 4.
Description of reference numerals:
10, carrier module; 11, electric heating tube support; 111, signal projector; 20, supply module; 30, detection module; 31, contact type temperature sensor; 311, threaded hole; 32, testing platform; 321, signal receiver; 40, main control module; 61, pilot lamp; 62, audible-visual annunciator; 63, terminal block; 71, sense partitions; 73, flange.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Fig. 1 to 5, according to embodiments of the invention, the invention provides a kind of electric heating tube inhomogeneity detection system of generating heat of judging, comprising: carrier module 10, carrier module 10 comprises that 11, one electric heating tubes of at least one electric heating tube support are fixedly installed on an electric heating tube support 11; Supply module 20, supply module 20 is electrically connected with electric heating tube; Detection module 30, comprise the temperature sensing device that detects the thermal signal that the zones of different of electric heating tube electric heating tube in the time of "on" position sends or the magnetic field induction device that detects the magnetic signal of electric heating tube zones of different of electric heating tube in the time of "on" position, detection module 30 is electrically connected with supply module 20; Main control module 40, main control module 40 is all electrically connected with supply module 20, detection module 30, and main control module 40 is for judging that according to the testing result of detection module 30 whether electric heating tube is qualified; Alarm device, alarm device is electrically connected with main control module 40, and alarm device determines that at main control module 40 electric heating tube gives the alarm when defective.
Apply technical scheme of the present invention, electric heating tube is fixed on electric heating tube support, under the electric power supply of supply module, electric heating tube and detection module all can be switched in conducting; Then, the temperature sensing device of application detection module detects the thermal signal of electric heating tube, and the temperature thermal signal electrical transmission obtaining detecting is processed to main control module, and judge that whether electric heating tube is qualified, if it is defective that main control module judges electric heating tube, alarm device will give the alarm; Or the magnetic signal of zones of different after the conducting of applying a magnetic field induction installation detection electric heating tube, and judge that whether electric heating tube is qualified, if it is defective that main control module judges electric heating tube, be defective if main control module judges electric heating tube, alarm device will give the alarm.Apply technical scheme of the present invention, can meet the efficiency requirement of long-term full inspection, and the operability of detection system of the present invention is better with respect to the detection operability of fluoroscopy installation.
In conjunction with referring to as shown in Figure 3, detection module 30 comprises multiple contact type temperature sensors 31, multiple contact type temperature sensors 31 are for detection of the temperature of the zones of different of electric heating tube, contact type temperature sensor 31 comprises probe, different test positions on electric heating tube offer some threaded holes 311, each probe is screwed onto in corresponding threaded hole 311, multiple contact type temperature sensors 31 are all electrically connected with supply module 20, main control module 40, and main control module 40 judges that according to the difference of the temperature of the zones of different of electric heating tube whether electric heating tube is qualified.In conjunction with referring to as shown in Figures 3 to 5, on different test positions on electric heating tube, be threaded connection contact type temperature sensor 31 is installed, the probe of contact type temperature sensor 31 stretches into electric heating tube certain depth, by contact to detect the temperature of electric heating tube with electric heating tube.As shown in Figure 5; the probe of contact type temperature sensor 31 is withheld on temperature test line by the flange 73 that is set in the flange part on probe excircle; on flange part excircle, be arranged with spring; when probe is connected with threaded hole 311; probe forms Elastic Contact with electric heating tube; like this; when contact type temperature sensor 31 is installed; effectively protect the integrality of electric heating tube; also the safety of having protected well contact type temperature sensor 31, can recycle contact type temperature sensor 31 effectively.
Judge that in application detection system of the present invention electric heating tube generates heat in inhomogeneity process, system is except having the alarm device of utilization gives the alarm, also there is the function of output DC signal alarm, DC signal alarm is by number of non-compliances statement form output according to this, in the time that alarm device gives the alarm, system output DC signal alarm (as 5Vdc Voltage-output), the testing result defective (being that electric heating tube is defective) of the zones of different of the electric heating tube that prompting detection module 30 detects.
As shown in Figure 1, detection module 30 comprises testing platform 32 and contactless detection device in combination again, and contactless detection device is arranged on testing platform 32, and contactless detection device is all electrically connected with supply module 20, main control module 40.Preferably, the installation site of contactless detection device on testing platform is adjustable.The installed surface of testing platform 32 is designed to card slot type " cross " form, contactless detection device can left and right, suitably adjust installation site up and down, be then fixed on testing platform 32.Like this, can adjust well the testing position of contactless detection device with respect to electric heating tube, make testing result more accurate.
Preferably, contactless detection device comprises thermal infrared imager, and thermal infrared imager is for detection of the temperature of the zones of different of an electric heating tube, and main control module 40 judges that according to the difference of the temperature of the zones of different of electric heating tube whether electric heating tube is qualified.
Preferably, contactless detection device comprises magnetic induction density tester, magnetic induction density tester is used for the magnetic field intensity of the zones of different of testing an electric heating tube, and main control module 40 judges that according to the magnetic field intensity of the zones of different of electric heating tube whether electric heating tube is qualified.
As shown in Figure 2, in order more accurately to detect the coiling density variation rate of resistance wire, guarantee density variation rate is satisfied is not more than 15% standard, and each longitudinal electric heating tube is at least divided into 3 sense partitions 71.In divided some communities, such as 1～36 totally 36 regions.
Particularly, carrier module 10 comprises multiple electric heating tube supports 11, and multiple electric heating tube supports 11 arrange successively along first direction, and detection module 30 is arranged on the opposite side of carrier module 10 movingly along first direction.Application contactless detection device together moves with testing platform 32 on testing platform 32, and then testing platform 32 stops at the opposite side of corresponding electric heating tube support 11, and electric heating tube is carried out to Data Detection.Like this, contactless detection device can carry out continuous detection to the electric heating tube having arranged continuously on predetermined detection line, has improved the work efficiency detecting.
Further, be provided with signal projector 111 on electric heating tube support 11, be provided with signal receiver 321 on testing platform 32, signal receiver 321 receives the signal that signal projector 111 sends; Detection module 30 also comprises servomotor and moving guide rail, testing platform 32 is arranged on moving guide rail, driven by servomotor moving guide rail, signal receiver 321 is electrically connected with main control module 40, servomotor is electrically connected with main control module 40, and signal receiver 321 receives the signal of signal projector 111 to determine the working position of testing platform 32 with respect to electric heating tube support 11.Preferably, the signal projector 111 being arranged on electric heating tube support 11 is optical signal transmitter, and correspondingly, the signal receiver 321 being arranged on testing platform 32 is optical receiver.In the time that testing platform 32 drives contactless detection device mobile on moving guide rail, the optical signal transmitter being arranged on electric heating tube support 11 sends light signal, the light signal that optical receiver receiving optical signals transmitter occurs, light signal is transferred in main control module 40, then main control module 40 sends the instruction of stall to servomotor, servomotor is stopped operating, and (driven by servomotor moving guide rail moves, then drive the testing platform 32 being arranged on moving guide rail to move), testing platform 32 rests on the position that receives light signal, this position is exactly the correct testing position relative with electric heating tube.Utilize the cooperating between optical signal transmitter and optical signal receiver, contactless detection device is not made a move and can both be parked in correct region, ensured the correctness of testing.Preferably, be also provided with pilot lamp 61 on electric heating tube support 11, when being fixed on after the energising of electric heating tube on electric heating tube support 11, pilot lamp 61 also electrified light emitting shows the "on" position of electric heating tube.On electric heating tube support 11, be also provided with audible-visual annunciator 62, in the time that main control module 40 detects underproof electric heating tube, audible-visual annunciator 62 sounds with alarm device simultaneously simultaneously.
Preferably, supply module 20 comprises pressure regulator and the time relay, and pressure regulator is electrically connected with power supply, and pressure regulator is electrically connected with the time relay, and the time relay is electrically connected with electric heating tube.
In the resistance wire winding density variation rate of application contact type temperature sensor 31 or thermal infrared imager detection electric heating tube, the two ends extension line of electric heating tube, extension line is connected to respectively on the both positive and negative polarity on the terminal block 63 on electric heating tube support 11, the electric energy of terminal block 63 has supply module 20 to provide, by the control of the time relay and pressure regulator, first pass into 220V voltage at electric heating tube two ends, (electric heating tube of different model reaches difference conduction time of 60～65 degrees Celsius to make the temperature of electric heating tube rise to 60～65 degrees Celsius, be generally 12～20 seconds), and then switch to light current 24V voltage, so that the body temperature stabilization of electric heating tube is (electric heating tube reaches and is generally about 5 seconds conduction time of 60～65 degrees Celsius) between 55～60 degrees Celsius, when electric heating tube body temperature stabilization is between 55～60 degrees Celsius, electric heating tube is carried out to temperature detection.Conduction time by time relay control electric heating tube under different voltage, change between 220V and 24V by the pressure regulator voltage that makes to switch on.
Especially, be fixed on while detecting on on-the-spot testing platform 32 at application thermal infrared imager, servomotor is electrically connected (main control module 40 can be PLC Programmable Logic Controller) with main control module 40, thereby make servomotor realize Based Intelligent Control, moving guide rail can be arranged to ring, and be provided with multiple assignment test points, thermal infrared imager is distinguished many electric heating tubes of the corresponding front moon 2.2 meters of positions, thermal infrared imager completes after trace routine a detection position, automatically moving to next detection position detects next electric heating tube, when each detection position detect complete after, in the work of carrying out next cycle detection.When detecting in some detection positions after the temperature that does not meet technological parameter, the alarm device of detection system carries out alarm prompting, main control module 40 provides the DC signal of 5Vdc simultaneously, and determined the coding of current location by other control systems, field personnel finds after alarm, takes corresponding treatment measures.
In 36 regions having divided, the maximum temperature in each region is set to C.T..Among 36 C.T.s, the difference of the maximum and reckling is Tb, staff can define this Tb in the main control module of system 40, such as setting Tb=15 degree Celsius, so in the time of Tb>15 degree Celsius, the alarm device of the detection system signal that will give the alarm, simultaneously DC signal output (10ms response time) again.
In testing process, also can apply the detection method of heat alert and carry out the detection of resistance wire winding density variation rate.In whole testing process, maximum temperature is set as Ta, staff can arrange the value of this Ta equally, such as setting Ta=60 degree Celsius, so as long as Ta is more than or equal to 60 degrees Celsius, no matter why Tb is worth, and the alarm device of the detection system signal that all can give the alarm is exported the DC signal (10ms response time) of 5Vdc simultaneously.
When applying magnetic induction strength tester detects the resistance wire winding density variation rate of electric heating tube, the size of the corresponding resistance wire winding density of size of magnetic field intensity, the maximal value that staff sets magnetic field intensity on the touch display screen of main control module 40 is Qa, the minimum value of simultaneously setting magnetic field intensity is Qb, when detected magnetic field intensity exceedes Qa, or detected magnetic field intensity is less than Qb, the alarm device signal that all can give the alarm, prompting electric heating tube defective (contrast for maximal value Qa is identical with the contrast of minimum value Qb).Further, also the difference that can apply the magnetic field intensity between zones of different is judged, among 36 comparison magnetic field intensitys, the difference of maximum magnetic field intensity and minimum magnetic field intensity is Hb, staff can define this Hb in the main control module of system 40, such as setting Hb=x, works as so Hb>x, the alarm device of the detection system signal that will give the alarm, simultaneously DC signal output (10ms response time) again.
Preferably, supply module 20 also comprises isolating transformer and A.C. contactor, and pressure regulator is electrically connected with power supply by isolating transformer, and the time relay is electrically connected with electric heating tube by A.C. contactor.Supply module 20 provides pure electric energy by application isolating transformer to whole detection system; get rid of external unnecessary interference; apply A.C. contactor simultaneously and well protected the safety of the circuit of the even whole detection system of supply module 20, prevented that the dangerous phenomenon of overload from appearring in detection system.
According to a further aspect in the invention, the invention provides a kind of electric heating tube inhomogeneity detection method of generating heat of judging, comprise the following steps:
Step S1: electric heating tube is switched on;
Step S2: detect the thermal signal of zones of different of electric heating tube or the electromagnetic signal of the zones of different of detection electric heating tube;
Step S3: judge that according to the testing result of detection module 30 whether electric heating tube is qualified;
Step S4: determine that at main control module 40 electric heating tube gives the alarm when defective.
Wherein, in described step S2, applying a magnetic field induction installation detects the magnetic field intensity of the zones of different of described electric heating tube; In described step S3, judge that according to the difference of the magnetic field intensity of the zones of different of described electric heating tube whether described electric heating tube is qualified.
Or in described step S2, application of temperature induction installation detects the temperature of the zones of different of described electric heating tube; In described step S3, judge that according to the difference of the temperature of the zones of different of described electric heating tube whether described electric heating tube is qualified.And in the implementation process of step S1, to electric heater for heating and make the body temperature of electric heating tube reach in the scope in predetermined temperature interval (predetermined temperature interval: pass into the predetermined temperature interval that 220V voltage will reach is 60～65 degrees Celsius at the two ends of electric heating tube; Passing into the predetermined temperature interval that 24V voltage will reach at the two ends of electric heating tube is 55～60 degrees Celsius).
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1, this detection system can meet the efficiency requirement of long-term full inspection, and the operability of this detection system is better with respect to the detection operability of fluoroscopy installation.
2, this detection system can improve the reliability of product, has reduced to greatest extent the product fault that electric heating tube body burns after sale.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. judge the electric heating tube inhomogeneity detection system of generating heat, it is characterized in that, comprising:
Carrier module (10), described carrier module (10) comprises at least one electric heating tube support (11), a described electric heating tube is fixedly installed on a described electric heating tube support (11);
Supply module (20), described supply module (20) is electrically connected with described electric heating tube;
Detection module (30), comprise detect described electric heating tube in the time of "on" position described in the thermal signal that sends of the zones of different of electric heating tube temperature sensing device or detect described electric heating tube in the time of "on" position described in the magnetic field induction device of magnetic signal of zones of different of electric heating tube, described detection module (30) is electrically connected with described supply module (20);
Main control module (40), described main control module (40) is all electrically connected with described supply module (20), described detection module (30), and described main control module (40) is for judging that according to the testing result of described detection module (30) whether described electric heating tube is qualified;
Alarm device, described alarm device is electrically connected with described main control module (40), and described alarm device determines that at described main control module (40) described electric heating tube gives the alarm when defective.
2. the judgement electric heating tube according to claim 1 inhomogeneity detection system of generating heat, it is characterized in that, described detection module (30) comprises multiple contact type temperature sensors (31), described multiple contact type temperature sensor (31) is for detection of the temperature of the zones of different of described electric heating tube, described contact type temperature sensor (31) comprises probe, different test positions on described electric heating tube offer some threaded holes (311), each described probe is screwed onto in corresponding described threaded hole (311), described multiple contact type temperature sensor (31) and described supply module (20), main control module (40) is all electrically connected, described main control module (40) judges that according to the difference of the temperature of the zones of different of described electric heating tube whether described electric heating tube is qualified.
3. the judgement electric heating tube according to claim 1 inhomogeneity detection system of generating heat, it is characterized in that, described detection module (30) comprises testing platform (32) and contactless detection device, it is upper that described contactless detection device is arranged on described testing platform (32), and described contactless detection device is all electrically connected with described supply module (20), described main control module (40).
4. the judgement electric heating tube according to claim 3 inhomogeneity detection system of generating heat, it is characterized in that, described carrier module (10) comprises multiple described electric heating tube supports (11), described multiple electric heating tube supports (11) arrange successively along first direction, and described detection module (30) is arranged on the opposite side of described carrier module (10) movingly along described first direction.
5. the judgement electric heating tube according to claim 4 inhomogeneity detection system of generating heat, it is characterized in that, on described electric heating tube support (11), be provided with signal projector (111), on described testing platform (32), be provided with signal receiver (321), described signal receiver (321) receives the signal that described signal projector (111) sends; Described detection module (30) also comprises servomotor and moving guide rail, described testing platform (32) is arranged on described moving guide rail, moving guide rail described in described driven by servomotor, described signal receiver (321) is electrically connected with described main control module (40), described servomotor is electrically connected with described main control module (40), and described signal receiver (321) receives the signal of described signal projector (111) to determine the working position of described testing platform (32) with respect to described electric heating tube support (11).
6. the judgement electric heating tube according to claim 3 inhomogeneity detection system of generating heat, is characterized in that, the installation site of described contactless detection device on described testing platform (32) is adjustable.
7. the judgement electric heating tube according to claim 3 inhomogeneity detection system of generating heat, it is characterized in that, described contactless detection device comprises thermal infrared imager, described thermal infrared imager is for detection of the temperature of the zones of different of a described electric heating tube, and described main control module (40) judges that according to the difference of the temperature of the zones of different of described electric heating tube whether described electric heating tube is qualified.
8. the judgement electric heating tube according to claim 3 inhomogeneity detection system of generating heat, it is characterized in that, described contactless detection device comprises magnetic induction density tester, described magnetic induction density tester is used for the magnetic field intensity of the zones of different of testing a described electric heating tube, and described main control module (40) judges that according to the magnetic field intensity of the zones of different of described electric heating tube whether described electric heating tube is qualified.
9. the judgement electric heating tube according to claim 1 inhomogeneity detection system of generating heat, it is characterized in that, described supply module (20) comprises pressure regulator and the time relay, described pressure regulator is electrically connected with power supply, described pressure regulator is electrically connected with the described time relay, and the described time relay is electrically connected with described electric heating tube.
10. the judgement electric heating tube according to claim 9 inhomogeneity detection system of generating heat, it is characterized in that, described supply module (20) also comprises isolating transformer and A.C. contactor, described pressure regulator is electrically connected with described power supply by described isolating transformer, and the described time relay is electrically connected with described electric heating tube by described A.C. contactor.
Judge the electric heating tubes inhomogeneity detection method of generating heat for 11. 1 kinds, it is characterized in that, comprise the following steps:
Step S1: to described electric heating tube energising;
Step S2: detect electric heating tube zones of different thermal signal or detect the electromagnetic signal of the zones of different of described electric heating tube;
Step S3: judge that according to the testing result of detection module (30) whether described electric heating tube is qualified;
Step S4: determine that at main control module (40) described electric heating tube gives the alarm when defective.
The 12. judgement electric heating tubes according to claim 11 inhomogeneity detection method of generating heat, is characterized in that,
In described step S2, application of temperature induction installation detects the temperature of the zones of different of described electric heating tube;
In described step S3, judge that according to the difference of the temperature of the zones of different of described electric heating tube whether described electric heating tube is qualified.
The 13. judgement electric heating tubes according to claim 11 inhomogeneity detection method of generating heat, is characterized in that,
In described step S2, applying a magnetic field induction installation detects the magnetic field intensity of the zones of different of described electric heating tube;
In described step S3, judge that according to the difference of the magnetic field intensity of the zones of different of described electric heating tube whether described electric heating tube is qualified.
The 14. judgement electric heating tubes according to claim 12 inhomogeneity detection method of generating heat, is characterized in that, in described step S1, to described electric heating tube electrical heating, and the body temperature of described electric heating tube is reached in the scope in predetermined temperature interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380653.7A CN104122472B (en) | 2014-08-04 | 2014-08-04 | Detection system and detection method for judging heating uniformity of electric heating pipe |
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| CN105045306A (en) * | 2015-08-12 | 2015-11-11 | 佛山市川东磁电股份有限公司 | Temperature control component intelligent detection device and detection method thereof |
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| CN108982584A (en) * | 2018-07-11 | 2018-12-11 | 辽宁嘉顺化工科技有限公司 | Electric heating tube internal oxidition magnesium uniformity detection system and method |
| CN109724205A (en) * | 2018-12-25 | 2019-05-07 | 新奥数能科技有限公司 | A method of the electric heating tube temp probe of installation air-conditioning |
| TWI669502B (en) * | 2017-12-04 | 2019-08-21 | 行政院原子能委員會核能研究所 | Apparatus of heat pipe quality detection by using infrared thermal imager and method thereof |
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| CN1107866C (en) * | 1998-04-13 | 2003-05-07 | 冶金工业部钢铁研究总院 | Method and apparatus for testing cooling speed uniformity of wire rod and bar |
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| CN204203372U (en) * | 2014-08-04 | 2015-03-11 | 珠海格力电器股份有限公司 | Detection system for judging heating uniformity of electric heating pipe |
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| CN108132074A (en) * | 2017-11-10 | 2018-06-08 | 长沙格力暖通制冷设备有限公司 | Entropy detection test timing device, method, storage medium and entropy detection test station |
| TWI669502B (en) * | 2017-12-04 | 2019-08-21 | 行政院原子能委員會核能研究所 | Apparatus of heat pipe quality detection by using infrared thermal imager and method thereof |
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| CN108982584A (en) * | 2018-07-11 | 2018-12-11 | 辽宁嘉顺化工科技有限公司 | Electric heating tube internal oxidition magnesium uniformity detection system and method |
| CN108982584B (en) * | 2018-07-11 | 2020-11-06 | 辽宁嘉顺化工科技有限公司 | System and method for detecting uniformity of magnesium oxide in electric heating pipe |
| CN109724205A (en) * | 2018-12-25 | 2019-05-07 | 新奥数能科技有限公司 | A method of the electric heating tube temp probe of installation air-conditioning |
| CN109724205B (en) * | 2018-12-25 | 2021-03-02 | 新奥数能科技有限公司 | Method for installing temperature probe of electric heating pipe of air conditioner |
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