CN104181382B - Heating tube detection method and system - Google Patents

Heating tube detection method and system Download PDF

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Publication number
CN104181382B
CN104181382B CN201410369292.6A CN201410369292A CN104181382B CN 104181382 B CN104181382 B CN 104181382B CN 201410369292 A CN201410369292 A CN 201410369292A CN 104181382 B CN104181382 B CN 104181382B
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China
Prior art keywords
cpu
air
conditioner
heat
generating pipe
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Expired - Fee Related
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CN201410369292.6A
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Chinese (zh)
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CN104181382A (en
Inventor
庞彬
宋明岑
杜涛
黄鸿发
王伟超
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201410369292.6A priority Critical patent/CN104181382B/en
Publication of CN104181382A publication Critical patent/CN104181382A/en
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Abstract

The invention provides a method for detecting a heating tube, which is used for detecting the performance of the heating tube on an air conditioner and comprises the following steps: s1, detecting the working current of the air conditioner in real time by a current sensor; s2, the CPU judges whether the working current of the air conditioner is larger than or equal to a first preset current, if so, the CPU controls a first indicator light to be on; if not, the CPU controls the second indicating lamp to light and the alarm gives an alarm. The invention also relates to a detection system of the heating tube. According to the method and the system for detecting the heating tube, whether the working current of the air conditioner exceeds the first preset current value or not is detected and judged in real time, so that the automatic detection of the heating tube is realized, and the detection efficiency of the heating tube is improved. Meanwhile, the detection precision of the heating tube is improved, the fault of the air conditioner caused by the fact that the heating tube does not work is avoided, and the outgoing quality of the air conditioner is improved.

Description

The detection method and system of heat-generating pipe
Technical field
The present invention relates to detection mode technical field, the detection method and system of more particularly to a kind of heat-generating pipe.
Background technology
In colder area, the heating effect of cooling-and-warming heat pump machine cannot be rapidly achieved preferable state, so auxiliary The effect of heat-generating pipe is very big, and heat-generating pipe is unloaded from supplied materials, occurs abnormal damage in transport turnover and assembling process and Normal work can not be carried out.
General heat-generating pipe detection method is, using artificial feel leaving air temp, then to be inspected by random samples according to 1 percent ratios Mode is detected that the detection efficiency of this detection mode is low and accuracy is poor, it is impossible to accurately judge whether heat-generating pipe opens It is dynamic.
The content of the invention
In view of the present situation of prior art, it is an object of the invention to provide the detection method and system of a kind of heat-generating pipe, energy It is enough accurately judge heat-generating pipe whether normal work, and detection efficiency is high.
To achieve the above object, the present invention is adopted the following technical scheme that:
A kind of detection method of heat-generating pipe, for the performance detection of heat-generating pipe on air-conditioner, comprises the following steps:
The operating current of S1, current sensor real-time detection air-conditioner;
Whether S2, CPU judge the operating current of air-conditioner more than or equal to the first predetermined current, if so, the then CPU controls Make first indicator lamp bright;If it is not, then the CPU controls second indicator lamp bright, the alarm equipment alarm.
Wherein in one embodiment, also comprise the following steps before step S2:
Whether the CPU judges the operating current of air-conditioner more than or equal to the second predetermined current, if so, then entering step S2 and the CPU control timer start timing;If it is not, then the CPU continues to judge whether the operating current of air-conditioner is big In or equal to the second predetermined current.
Wherein in one embodiment, step S2 also comprises the following steps:
In the first Preset Time, the CPU judges the operating current of air-conditioner more than or equal to the described first default electricity During stream, then the CPU controls first indicator lamp bright;Otherwise, the CPU controls second indicator lamp bright, the alarm Device is alarmed.
Wherein in one embodiment, step S2 also comprises the following steps:
When the operating current of air-conditioner is more than or equal to first predetermined current, the CPU judges the work of air-conditioner Make whether electric current continues the second Preset Time, if so, then the CPU controls first indicator lamp bright, if it is not, the then CPU Control second indicator lamp bright, the alarm equipment alarm.
Wherein in one embodiment, first predetermined current is 2.5 amperes, and second predetermined current is 0.02 peace Training.
Wherein in one embodiment, first Preset Time is 15 seconds.
Wherein in one embodiment, second Preset Time is 2 seconds.
The invention further relates to a kind of detecting system of heat-generating pipe, for the detection side of the heat-generating pipe described in any of the above-described Method,
Current sensor, CPU, the first indicator lamp including the operating current for real-time detection air-conditioner, second indicate Lamp and alarm, first indicator lamp, second indicator lamp and the alarm are respectively connecting to the CPU;
The input of the current sensor is connected to the operating voltage of air-conditioner, the current sensor by power line Output end be connected to the CPU;The operating current of the air-conditioner that the current sensor will be detected is sent to the CPU;
Whether the CPU is used to judge the operating current of air-conditioner more than or equal to the first predetermined current, if so, then described CPU controls first indicator lamp bright;If it is not, then the CPU controls second indicator lamp bright, the alarm equipment alarm.
Wherein in one embodiment, also including the display device of the operating current for showing air-conditioner.
Wherein in one embodiment, the CPU also includes the timer for timing.
Wherein in one embodiment, the CPU is single-chip microcomputer, DSP or PLC.
The detection method and system of heat-generating pipe of the invention, by real-time detection and judge air-conditioner operating current whether More than the first pre-set current value, the Aulomatizeted Detect of heat-generating pipe is realized, improve the detection efficiency of heat-generating pipe.Meanwhile, improve The accuracy of detection of heat-generating pipe, it is to avoid failure of the air-conditioner caused by heat-generating pipe does not work, improves the matter of dispatching from the factory of air-conditioner Amount.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment of detection method one of heat-generating pipe of the invention;
Fig. 2 is the schematic diagram of the embodiment of detecting system one of heat-generating pipe of the invention.
Specific embodiment
In order that technical scheme is clearer, below in conjunction with accompanying drawing, to the detection side of heat-generating pipe of the invention Method and system are described in further detail.It should be appreciated that specific embodiment described herein is only used to explain the present invention simultaneously It is not used in the restriction present invention.
Referring to Fig. 1 to Fig. 2, as shown in figure 1, a kind of detection method of heat-generating pipe, for the performance of heat-generating pipe on air-conditioner Detection, comprises the following steps:
The operating current of S1, current sensor real-time detection air-conditioner;In the present embodiment, the input of current sensor The operating voltage of air-conditioner is connected by power line, for the operating current of real-time detection air-conditioner;The output of current sensor End is connected to CPU (Central Processing Unit, central processing unit), and current sensor is used for the air-conditioning that will be detected The operating current of device is sent to CPU.
Whether S2, CPU judge the operating current of air-conditioner more than or equal to the first predetermined current, if so, then CPU controls the One indicator lamp is bright, if it is not, then CPU controls the second indicator lamp bright, alarm equipment alarm.
The power of heat-generating pipe is general in 800W or so, along with the power 60W of motor or so of air-conditioner, therefore, in system Under heat pattern, the power of air-conditioner is 860W or so, is according to the operating current that Ohm's law I=U/R can obtain air-conditioner 860W ÷ 220V=3.9A.Wherein, the operating current of heat-generating pipe is 800W ÷ 220V=3.6A;The operating current of motor is 60W ÷ 220V=0.3A.Therefore, it can judge whether heat-generating pipe works by the operating current of monitor in real time air-conditioner.
In the present embodiment, the first predetermined current is 2.5 amperes, in other embodiments, the electric current of the first predetermined current Value can also use other possible current values.If the operating current of air-conditioner is more than or equal to 2.5 amperes, heat-generating pipe is illustrated Normal work, CPU controls the first indicator lamp bright.If the operating current of air-conditioner is less than 2.5 amperes, illustrate that heat-generating pipe is present different Often, CPU controls the second indicator lamp bright, alarm equipment alarm.
In the present embodiment, the first indicator lamp is the LED of green, and the second indicator lamp is red LED, and alarm is Buzzer.In other embodiments, the first indicator lamp and the second indicator lamp can also be other indicator lamps, and alarm can also be Other voice devices.
As a kind of embodiment, also comprise the following steps before step S2:
Whether CPU judges the operating current of air-conditioner more than or equal to the second predetermined current, if so, then enter step S2 and CPU control timers start timing;If it is not, then CPU continues to judge whether the operating current of air-conditioner is pre- more than or equal to second If electric current.In the present embodiment, the current value of the second predetermined current is 0.02 ampere (20 milliamperes), in other embodiments, the The current value of two predetermined currents can also use other possible current values.When the operating current of air-conditioner is more than or equal to 20 millis During peace (0.02 ampere), the timing that added up since t0=0s is started into step S2 and timer.When the operating current of air-conditioner Less than 20 MAHs, then whether CPU continuation judges the operating current of air-conditioner more than or equal to the second predetermined current, until air-conditioning The operating current of device enters back into step S2 when being more than or equal to the second predetermined current.
More preferably, step S2 also comprises the following steps:
Within the first default time, when CPU judges that the operating current of air-conditioner is more than or equal to the first predetermined current, then CPU controls the first indicator lamp bright;Otherwise, CPU controls the second indicator lamp bright, alarm equipment alarm.In the present embodiment, first preset Time is 15 seconds, and in other embodiments, Preset Time can also use other possible numerical value.When the time of timer is When within one Preset Time 15 seconds, CPU judges the operating current of air-conditioner more than or equal to 2.5 amperes, now, CPU controls the One indicator lamp is bright, illustrates that the heat-generating pipe can be with normal work, and heat-generating pipe is qualified.It is default more than first when the time of timer Time 15s, CPU does not still judge the operating current of air-conditioner more than or equal to 2.5 amperes, then CPU controls the second indicator lamp bright, Alarm equipment alarm, illustrates that the heat-generating pipe is unqualified.
More preferably, step S2 also comprises the following steps:
When the operating current of air-conditioner is more than or equal to the first predetermined current, CPU judges that the operating current of air-conditioner is It is no to continue the second Preset Time, if so, then CPU controls the first indicator lamp bright, if it is not, then CPU controls the second indicator lamp bright, alarm Device is alarmed.In the present embodiment, the second Preset Time is 2s.When the operating current of air-conditioner is more than or equal to 2.5 amperes and holds After continuous 2 seconds, CPU controls the first indicator lamp bright, i.e. the LED of CPU control greens is bright, illustrates that heat-generating pipe can be with normal work, should Heat-generating pipe is qualified.When the operating current of air-conditioner is less than 2.5 amperes, or there is saltus step (example in the operating current of air-conditioner Such as, the operating current of air-conditioner is from 4.0A saltus steps to 0.5A) phenomenon, then CPU control bright, i.e., the red LED of the second indicator lamp Lamp is bright, alarm equipment alarm.Now, illustrate that the heat-generating pipe is unqualified, tester is reminded by sound and light alarm, improve man-machine friendship Mutual property.
As shown in Fig. 2 the invention further relates to a kind of detecting system of heat-generating pipe, for the heat-generating pipe of any of the above-described embodiment Detection method, including the operating current for real-time detection air-conditioner current sensor 1, CPU2, the first indicator lamp, second Indicator lamp and alarm, the first indicator lamp, the second indicator lamp and alarm are respectively connecting to institute CPU.The input of current sensor 1 End is connected to the operating voltage of air-conditioner by power line, and the output end of current sensor 1 is connected to CPU2.Current sensor 1 The operating current of the air-conditioner that will be detected is sent to the CPU2;CPU2 is used to judge whether the operating current of air-conditioner is more than Or equal to the first predetermined current, if so, then CPU2 controls the first indicator lamp bright;If it is not, then CPU2 controls the second indicator lamp bright, report Alert device alarm.
More preferably, CPU2 is other controllers such as single-chip microcomputer, DSP or PLC.In the present embodiment, CPU2 is single Piece machine, and current sensor, the first indicator lamp, the second indicator lamp and alarm are respectively connecting to the I/O ports of single-chip microcomputer.It is preferred that Ground, CPU2 also includes the timer for timing.In the present embodiment, the first indicator lamp is the LED of green, the second indicator lamp It is red LED.More preferably, alarm is buzzer.In other embodiments, alarm can also be that other voices are filled Put.
Used as a kind of embodiment, the detecting system of the heat-generating pipe also includes the operating current for showing air-conditioner Display device 3.So, tester can intuitively be judged by display device.More preferably, the display device can be LCD display or charactron etc..In the present embodiment, the display device uses charactron, and the pin of charactron passes through data Bus is connected to the I/O ports on CPU2.
The detection method and system of heat-generating pipe of the invention, by real-time detection and judge air-conditioner operating current whether More than the first pre-set current value, the Aulomatizeted Detect of heat-generating pipe is realized, improve the detection efficiency of heat-generating pipe.Meanwhile, improve The accuracy of detection of heat-generating pipe, it is to avoid failure of the air-conditioner caused by heat-generating pipe does not work, improves the matter of dispatching from the factory of air-conditioner Amount.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (9)

1. a kind of detection method of heat-generating pipe, for the performance detection of heat-generating pipe on air-conditioner, it is characterised in that including following step Suddenly:
The operating current of S1, current sensor real-time detection air-conditioner, with by the operating current of air-conditioner described in monitor in real time Judge whether heat-generating pipe works;
Whether CPU judges the operating current of air-conditioner more than or equal to the second predetermined current, if so, then entering step S2 and institute State CPU control timers and start timing;If it is not, then the CPU continues to judge whether the operating current of air-conditioner is more than or equal to Second predetermined current;
Whether S2, CPU judge the operating current of air-conditioner more than or equal to the first predetermined current, if so, then illustrating heat-generating pipe just Often work, the CPU controls the first indicator lamp bright;If it is not, then there is abnormal, the instruction of CPU controls second in explanation heat-generating pipe Lamp is bright, alarm equipment alarm.
2. the detection method of heat-generating pipe according to claim 1, it is characterised in that step S2 also comprises the following steps:
In the first Preset Time, when the CPU judges that the operating current of air-conditioner is more than or equal to first predetermined current, Then the CPU controls first indicator lamp bright;Otherwise, the CPU controls second indicator lamp bright, the alarm report It is alert.
3. the detection method of heat-generating pipe according to claim 1, it is characterised in that step S2 also comprises the following steps:
When the operating current of air-conditioner is more than or equal to first predetermined current, the CPU judges the work electricity of air-conditioner Whether stream continues the second Preset Time, if so, then the CPU controls first indicator lamp bright, if it is not, the then CPU controls Second indicator lamp is bright, the alarm equipment alarm.
4. the detection method of heat-generating pipe according to claim 1, it is characterised in that:
First predetermined current is 2.5 amperes, and second predetermined current is 0.02 ampere.
5. the detection method of heat-generating pipe according to claim 2, it is characterised in that:
First Preset Time is 15 seconds.
6. the detection method of heat-generating pipe according to claim 3, it is characterised in that:
Second Preset Time is 2 seconds.
7. a kind of detecting system of heat-generating pipe, for the detection method of the heat-generating pipe described in claim any one of 1-6, its feature It is:
Current sensor, CPU, the first indicator lamp, the second indicator lamp including the operating current for real-time detection air-conditioner and Alarm, first indicator lamp, second indicator lamp and the alarm are respectively connecting to the CPU;The CPU is also wrapped Include the timer for timing;
The input of the current sensor is connected to the operating voltage of air-conditioner by power line, the current sensor it is defeated Go out end and be connected to the CPU;The operating current of the air-conditioner that the current sensor will be detected is sent to the CPU;
Whether the CPU is used to judge the operating current of air-conditioner more than or equal to the second predetermined current, and when the judgement sky When adjusting the operating current of device to be more than or equal to the second predetermined current, the timer is controlled to start timing, and continue to judge air-conditioning Whether the operating current of device is more than or equal to the first predetermined current, if so, then the CPU controls first indicator lamp bright;If No, then the CPU controls second indicator lamp bright, the alarm equipment alarm.
8. the detecting system of heat-generating pipe according to claim 7, it is characterised in that:
Also include the display device of the operating current for showing air-conditioner.
9. the detecting system of heat-generating pipe according to claim 7, it is characterised in that:
The CPU is single-chip microcomputer, DSP or PLC.
CN201410369292.6A 2014-07-30 2014-07-30 Heating tube detection method and system Expired - Fee Related CN104181382B (en)

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Application Number Priority Date Filing Date Title
CN201410369292.6A CN104181382B (en) 2014-07-30 2014-07-30 Heating tube detection method and system

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Application Number Priority Date Filing Date Title
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CN104181382B true CN104181382B (en) 2017-05-31

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2828829Y (en) * 2005-09-29 2006-10-18 杨广勇 Safety protection current-limitting alarm device
CN201307145Y (en) * 2008-11-21 2009-09-09 深圳市荣德机械设备有限公司 Oven heating pipe thread break detector device
KR20090123406A (en) * 2008-05-28 2009-12-02 한국철도기술연구원 Detecting apparatus and the method of rail damage
CN202421283U (en) * 2011-12-27 2012-09-05 珠海格力电器股份有限公司 Split indoor electromechanical heating pipe current detection device
CN102768127A (en) * 2012-08-09 2012-11-07 上海贝洱热系统有限公司 Method and device for detecting low voltage heater of automobile air conditioner

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061590A (en) * 2009-11-16 2011-05-18 博西华电器(江苏)有限公司 Combined type washing drier system and control method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2828829Y (en) * 2005-09-29 2006-10-18 杨广勇 Safety protection current-limitting alarm device
KR20090123406A (en) * 2008-05-28 2009-12-02 한국철도기술연구원 Detecting apparatus and the method of rail damage
CN201307145Y (en) * 2008-11-21 2009-09-09 深圳市荣德机械设备有限公司 Oven heating pipe thread break detector device
CN202421283U (en) * 2011-12-27 2012-09-05 珠海格力电器股份有限公司 Split indoor electromechanical heating pipe current detection device
CN102768127A (en) * 2012-08-09 2012-11-07 上海贝洱热系统有限公司 Method and device for detecting low voltage heater of automobile air conditioner

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Granted publication date: 20170531