CN105929273B - Air conditioner and its indoor unit electric heater starting detection system and method - Google Patents
Air conditioner and its indoor unit electric heater starting detection system and method Download PDFInfo
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- CN105929273B CN105929273B CN201610275470.8A CN201610275470A CN105929273B CN 105929273 B CN105929273 B CN 105929273B CN 201610275470 A CN201610275470 A CN 201610275470A CN 105929273 B CN105929273 B CN 105929273B
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- electric heater
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
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Abstract
The present invention provides a kind of air conditioner and its indoor unit electric heater starting detection system and method.Wherein indoor unit electric heater starting detection system includes the indoor unit electric heater for being provided with data collection terminal mouth;It is provided with the indoor unit control unit of data receiver port;The data acquisition unit being connected between data collection terminal mouth and data receiver port.When data collection terminal mouth is in first state, indoor unit control unit receives the first detection signal of the data acquisition unit output and controls air conditioner room unit and brings into operation;When data collection terminal mouth is in the second state, indoor unit control unit receives electromechanical heater in the second detection signal and control room of data acquisition unit output and brings into operation, and detects the power of indoor electromechanical heater.Detection system proposed by the invention, detection method and air conditioner realize the detection of the electric elements different to testing conditions by integrated system, have the advantages that high-efficient, at low cost and safety is good.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to the starting detections of a kind of air conditioner and its indoor unit electric heater
System and method.
Background technique
The acceptance inspeciton of air conditioner indoor unit production line assembling at least needs to carry out in the following two cases, first is that working as new group
When the primary equipment of dress puts into operation for the first time;Second is that when putting into the device newly installed on existing primary equipment.For big portion
Divide major electrical equipment component, such as motor, computer board and water pump, 10 to 20 seconds detection times can determine whether in normal work
Make state.
Auxiliary heater part when electric heater in air conditioner indoor unit is air conditioner heat-production.The starting of electric heater is not
It is synchronous with most of major electrical equipment component, but in the use process of air conditioner, reach specified conditions, is attracted starting.
Therefore, the detection device on production line can not have the starting test condition of electric heater.In order to whether check electric heater
It is constantly in intact, can reliably execute the state of task, mode used in the prior art is that a volume is fabricated separately
Outer electric heater is external to power on tooling.During machine assembly, electric heater first adds with indoor unit for controlling electricity
The contactor or terminal block of hot device disconnect, and are powered on using the tooling that powers on being fabricated separately to electric heater, whether examine its power
Normally.After completing checkout procedure, then the contactor or the terminal block company that will be used to control electric heater in electric heater and indoor unit
It connects.
Carrying out detection using detection method in the prior art, there are following problems: 1, due to that must increase in the production line
Dismounting powers on the station of tooling, therefore, reduces the efficiency of complete machine detection;2, it needs additionally to make and external powers on tooling;3, electric
Heater belongs to high power device, and there are security risks in the external detection process for powering on tooling.
Summary of the invention
To improve complete machine detection efficiency, security risk is avoided, the present invention provides a kind of air conditioner room unit electric heaters
Start detection system, specific as follows:
A kind of air conditioner room unit electric heater starting detection system, comprising:
It is provided with the indoor unit electric heater of data collection terminal mouth;
It is provided with the indoor unit control unit of data receiver port;
It further include data acquisition unit;The data acquisition unit connects the data collection terminal mouth and data receiver port
And the Signal Pretreatment that the data collection terminal mouth generates is become exporting with the matched signal of data receiver port to indoor unit
Control unit;
When the data collection terminal mouth is in first state, it is single that the indoor unit control unit receives the data acquisition
The first detection signal of member output simultaneously controls air conditioner room unit and brings into operation;
When the data collection terminal mouth is in the second state, it is single that the indoor unit control unit receives the data acquisition
Electromechanical heater brings into operation in the second detection signal and control room of member output, detects the power of indoor electromechanical heater;Such as
Fruit indoor unit electric heater capacity is in set interval, then the indoor unit control unit control air conditioner room unit starts to transport
Row;If power not in set interval, determines the indoor unit electric heater failure.
Preferably, when the data collection terminal mouth is shorted, the data collection terminal mouth is in the second state.
Preferably, the data collection terminal mouth is shorted using ring is shorted.
Further, the data acquisition unit includes sample of signal end, current-limiting circuit, pull-up circuit and filter circuit;
The sample of signal end connects the current-limiting circuit;The output end of the output end of the current-limiting circuit and the pull-up circuit passes through
The filter circuit connects the data receiver port.
Further, when the data collection terminal mouth is in first state, the data receiver port receives high level
Signal, the indoor unit control unit control air conditioner room unit bring into operation.
Further, when the data collection terminal mouth is in the second state, the data receiver port receives low electricity
Ordinary mail number, the indoor unit control unit control electric heater bring into operation.
Further, when the data collection terminal mouth is in the second state, the indoor unit control unit control electricity adds
Hot device runs setting time;The electric heater is run to setting time, and the indoor unit control unit controls air conditioner chamber
Interior machine brings into operation.
Air conditioner room unit electric heater proposed by the invention starts detection system, is acquired by independent matched data
The distinguishing state signal that port and data receiver port and data acquisition unit generate is realized using set of system to detector bar
The different functional component of part carries out starting detection.Why independent data collection terminal mouth and data receiver port are set, be for
It avoids that different toolings must be designed according to the air conditioner electric heating wires of different form of terminal.This considerably reduce startings to detect
Cost.And under these conditions, start and stop, the operation of indoor unit electric heater are the design requirements according to complete machine by indoor unit
The program of control unit is controlled, and whole safety is improved, it is not easy to be caused equipment damage or be reduced the use of equipment
Service life.
The invention also proposes a kind of detection sides based on above-mentioned air conditioner room unit electric heater starting detection system
Method, specifically includes the following steps:
1) power module is powered, and the data collection terminal mouth and mark of indoor unit electric heater is arranged, and setting indoor unit controls
The data receiver port and mark of unit;
2) the indoor unit control unit work;
3) the indoor unit control unit detects the received detection signal of the data receiver port institute, and judges the number
The second state whether is according to acquisition port;
4) when the data collection terminal mouth is in the second state, the indoor unit control unit control electric heater fortune
Row, receives the power of the indoor unit electric heater detected;
5) when electric heater works to setting time, and the electricity that persistently detects of indoor unit control unit judgement plus
The power of hot device within the set range when, determine that electric heater start successfully, indoor unit control unit control air conditioner
Indoor unit brings into operation;
6) data collection terminal mouth is arranged to first state.
Detection method provided by the invention has the advantages that at low cost, safety is good and high-efficient.
The invention also discloses a kind of air conditioners, and there is air conditioner room unit electric heater to start detection system.
Air conditioner room unit electric heater starts detection system, comprising: the interior electromechanics for being provided with data collection terminal mouth adds
Hot device;It is provided with the indoor unit control unit of data receiver port;It further include data acquisition unit;The data acquisition unit connects
It connects the data collection terminal mouth and data receiver port and becomes the Signal Pretreatment that the data collection terminal mouth generates and number
It exports according to the matched signal of receiving port to indoor unit control unit;When the data collection terminal mouth is in first state, institute
It states indoor unit control unit and receives the first detection signal of the data acquisition unit output and control air conditioner room unit and start
Operation;When the data collection terminal mouth is in the second state, the indoor unit control unit receives the data acquisition unit
Electromechanical heater brings into operation in the second detection signal and control room of output, detects the power of indoor electromechanical heater;If
Indoor unit electric heater capacity is in set interval, then the indoor unit control unit control air conditioner room unit brings into operation;
If power not in set interval, determines the indoor unit electric heater failure.Air conditioner disclosed in this invention, can be with
Control system based on complete machine controls internal electric elements and runs in the detection process, will not cause to damage to electric elements, has
Have the advantages that integrated level is high, high-efficient and safety is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that air conditioner room unit electric heater starting a kind of structure of embodiment of detection system proposed by the invention is shown
Meaning block diagram;
Fig. 2 is the structural schematic diagram that starting detection system shown in Fig. 1 is in the second state;
Fig. 3 is that air conditioner room unit electric heater proposed by the invention starts a kind of process of embodiment of detection method
Figure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
It is shown in Figure 1 to start a kind of embodiment of detection system for air conditioner room unit electric heater disclosed in this invention
Structural schematic block diagram.As shown in Figure 1, the air conditioner room unit electric heater starting detection system of the present embodiment includes indoor unit
Electric heater 1 and indoor unit control unit 3.The indoor unit control unit 3 can use chip microcontroller, can also be using tool
There is the integrated chip of said function to realize.Compared to traditional detection system, the present embodiment is provided on electromechanical heater 1 indoors
Proprietary data collection terminal mouth 1-1 is provided with proprietary data receiver port TEST indoors in machine control unit 3.It also sets up
There is data acquisition unit 2, data acquisition unit 2 is connected between data collection terminal mouth 1-1 and data receiver port TEST, is used for
The acquisition Signal Pretreatment that data collection terminal mouth 1-1 is generated is become and the matched signal of data receiver port TEST and is transmitted to
Indoor unit control unit 3.For the assembling acceptance inspeciton of air conditioner indoor unit production line, equipment to be checked, which is divided into, to be powered on
The electric elements of normal work and the electric heater that must be worked under certain condition.For realize assembling acceptance inspeciton purpose,
Data collection terminal mouth 1-1 is correspondingly arranged on two states, when data collection terminal mouth 1-1 is in first state, indoor unit control
Unit 3 receives the first detection signal that data acquisition unit 2 exports and controls air conditioner room unit and brings into operation.And when data are adopted
When collection port 1-1 is in the second state, indoor unit control unit 3 receives data acquisition unit 2 exports second and detects signal simultaneously
Electromechanical heater 1 brings into operation in control room, detects the power of indoor electromechanical heater 1.If the work of indoor unit electric heater 1
The rate of doing work is in set interval, then indoor unit control unit 3 controls air conditioner room unit and brings into operation, and can be detected to powering on
Electric elements, such as motor, computer board and water pump.The state of data collection terminal mouth 1-1 can be by data acquisition unit 2
Switch contact be opened or closed or the on-off of switching tube is set, thus the acquisition that data collection terminal mouth 1-1 is generated
Signal becomes the electric signal for being adapted to control unit.
Preferably using the first state or the second state for being shorted ring setting data collection terminal mouth 1-1 in the present embodiment.As
A kind of specific embodiment, used short circuit ring can be the short circuit ring with SXH-001T-0.6 terminal.More specifically, originally
Data acquisition unit in embodiment is as shown in Figure 1, include sample of signal end K, current-limiting circuit 210, pull-up circuit 220 and filtering
Circuit 230.Sample of signal end K connection current-limiting circuit 210, the output end of current-limiting circuit 210 and the output end of pull-up circuit 220 are logical
It crosses filter circuit 230 and connects data receiver port TEST.When data collection terminal mouth 1-1 is without using ring short circuit is shorted, data are adopted
Collection port 1-1 is in first state, at this point, data collection terminal mouth 1-1 opens a way, sample of signal end K output voltage is zero, and data connect
The signal that receiving end mouth TEST is received is to be pulled up the high level signal that circuit 220 is drawn high.When data receiver port TEST connects
After receiving high level signal, indoor unit control unit 3 runs the control of air conditioner room unit according to the detection signal received
Program, air conditioner room unit bring into operation, and then detect to powering on the electric elements that can be worked.It is shown in Figure 2, when
When using being shorted ring short circuit data collection terminal mouth, data collection terminal mouth 1-1 is in the second state, and sample of signal end K's connects all the way
Ground, another way connect current-limiting circuit 210, and the resistance in resistance and pull-up circuit 220 in current-limiting circuit 210 forms partial pressure, number
According to the low level signal that the signal that receiving port TEST is received is after dividing.When data receiver port TEST receives low electricity
After ordinary mail number, indoor unit control unit 3 runs the control program of indoor unit electric heater 1, control according to the detection signal received
Indoor unit electric heater 1 processed is started to work.
Electric heater 1 work whether normal relied on evaluation criterion be work certain time when power.Therefore, indoor
Machine control unit 3 needs to control the work certain time of electric heater 1, during operation the interior power for persistently detecting electric heater 1
And the performance number that will test is compared with the normal value of setting.If the performance number detected is always held at normal interval
Interior, then electric heater 1 starts normally.After the work of electric heater 1 to setting time, indoor unit control unit 3 automatically controls sky
Air conditioner indoor machine is adjusted to bring into operation.After judging that electric heater 1 starts normally, the control of indoor unit control unit 3 automatically controls air-conditioning
The detection effect of signals that the control process of air conditioner indoor machine is no longer received by data receiver port TEST.The detection time of setting is excellent
It is selected as 5 seconds, other setting times can also be arranged according to the model of electrical auxiliary heater, power, working environment difference.Usually
Indoor unit control unit 3 can also selectively connect one buzzer of control.Electromechanical heater 1 runs 5 seconds and function indoors
When rate is normal, output prompt tone understands detecting state convenient for operator.If the electric heater capacity detected is not being set
In section, then indoor unit electric heater failure is determined, buzzer can also export alarm and remind failure.
Judging that electric heater 1 starts normally for the first time, after air conditioner room unit brings into operation, ring will be shorted and pulled out, be convenient for
Subsequent operation.
Based on above-mentioned hardware structure, air conditioner room unit electric heater starting detection method is carried out below with reference to Fig. 3 detailed
Thin elaboration, comprising the following steps:
After power module power supply, dedicated data collection terminal is set in the control circuit board of electromechanical heater indoors first
Mouth simultaneously identifies, and exclusive data receiving port corresponding with data collection terminal mouth is arranged in machine control unit indoors and identifies.
After indoor unit control unit is started to work, the received detection signal of first detection data receiving port institute, and judge number
The second state whether is according to acquisition port.It is indoor by taking the circuit using data acquisition unit as depicted in figs. 1 and 2 as an example
Machine control unit first determines whether the signal that data receiver port receives is low level signal.If data receiver port connects
Low level signal is received, then the operation of indoor unit control unit control electric heater, and continues through data port reception and detect
Indoor unit electric heater power.
The operation setup time of electric heater is stored in indoor unit control unit.When electric heater works to setting time
Afterwards, in set interval, indoor unit control unit control air conditioner room unit brings into operation the power of electric heater, judges that electricity adds
Hot device starts successfully.At this point, indoor unit control unit is not controlled further according to the detection signal that data receiver port receives.
If the power of the indoor unit electric heater detected deviates from setting area during electric heater works to setting time
Between, then judge electric heater failure, starting failure.
After judging that electric heater starts successfully, data collection terminal mouth is again configured to first state.
Based on structural schematic diagram disclosed in Fig. 1 and Fig. 2, for the ease of electric heater first more harsh to testing conditions
It is detected, before machine control unit work indoors, is then first shorted data collection terminal mouth using short circuit ring.Judging electric heater
After starting successfully for the first time, ring will be shorted and pull out and data collection terminal mouth can be made to revert to first state.
The alarm sound that setting buzzer may be selected, when judging that electric heater starts successfully for the first time or starting fails
It is prompted in the form of different sound or sound-light alarm, in order to the subsequent operation of operator, or prompt detection
Personnel the electric heater there are failure is handled in time, in order to avoid there is bigger accident.
Air conditioner room unit electric heater disclosed in above-mentioned two embodiment starts detection system and starting detection method, leads to
The distinguishing state signal for crossing independent matched data collection terminal mouth and data receiver port and data acquisition unit generation is realized
Starting detection is carried out using the set of system functional component different to testing conditions.Why independent data collection terminal mouth is set
And data receiver port, it is in order to avoid different toolings must be designed according to the air conditioner electric heating wires of different form of terminal.
This considerably reduce the costs of starting detection.And under these conditions, start and stop, the operation of indoor unit electric heater are according to whole
The design requirement of machine is controlled by the program of indoor unit control unit, improves whole safety, it is not easy to cause equipment
Damage or the service life for reducing equipment.Therefore, the starting of air conditioner room unit electric heater disclosed in above-mentioned two embodiment inspection
Examining system and starting detection method have the advantages that at low cost, safety is good and high-efficient.
The present invention additionally provides a kind of air conditioner simultaneously, including air conditioner room unit electric heater as depicted in figs. 1 and 2
Start detection system.Start the specific structure of detection system referring to shown in above-described embodiment and Fig. 1, Fig. 2, details are not described herein.
Same technical effect may be implemented in the air conditioner for being provided with starting detection system.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features;
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of air conditioner room unit electric heater starts detection system characterized by comprising
It is provided with the indoor unit electric heater of data collection terminal mouth;
It is provided with the indoor unit control unit of data receiver port;
It further include data acquisition unit;The data acquisition unit connects the data collection terminal mouth and data receiver port and will
The Signal Pretreatment that the data collection terminal mouth generates, which becomes being exported with the matched signal of data receiver port to indoor unit, to be controlled
Unit;
When the data collection terminal mouth is in first state, it is defeated that the indoor unit control unit receives the data acquisition unit
First detection signal out simultaneously controls air conditioner room unit and brings into operation;
When the data collection terminal mouth is in the second state, it is defeated that the indoor unit control unit receives the data acquisition unit
Electromechanical heater brings into operation in the second detection signal and control room out, detects the power of indoor electromechanical heater;If room
Interior electromechanics heater power is in set interval, then the indoor unit control unit control air conditioner room unit brings into operation;Such as
Fruit power then determines the indoor unit electric heater failure not in set interval.
2. air conditioner room unit electric heater according to claim 1 starts detection system, which is characterized in that when the number
When being shorted according to acquisition port, the data collection terminal mouth is in the second state.
3. air conditioner room unit electric heater according to claim 2 starts detection system, which is characterized in that the data
It acquires port and is shorted using ring is shorted.
4. air conditioner room unit electric heater according to claim 2 starts detection system, which is characterized in that the data
Acquisition unit includes sample of signal end, current-limiting circuit, pull-up circuit and filter circuit;The sample of signal end connects the current limliting
Circuit;The output end of the current-limiting circuit connects the data by the filter circuit with the output end of the pull-up circuit and connects
Receiving end mouth.
5. air conditioner room unit electric heater according to claim 4 starts detection system, which is characterized in that when the number
When being in first state according to acquisition port, the data receiver port receives high level signal, the indoor unit control unit control
Air conditioner room unit processed brings into operation.
6. air conditioner room unit electric heater according to claim 5 starts detection system, which is characterized in that when the number
When being in the second state according to acquisition port, the data receiver port receives low level signal, the indoor unit control unit control
Electric heater processed brings into operation.
7. air conditioner room unit electric heater according to claim 6 starts detection system, which is characterized in that when the number
When being in the second state according to acquisition port, the indoor unit control unit control electric heater runs setting time;The electricity adds
Hot device is run to setting time, and the indoor unit control unit control air conditioner room unit brings into operation.
8. a kind of opening using air conditioner room unit electric heater as described in any one of claim 1 to 7 starting detection system
Dynamic detection method, which comprises the following steps:
1) power module is powered, and the data collection terminal mouth and mark of indoor unit electric heater is arranged, and indoor unit control unit is arranged
Data receiver port and mark;
2) the indoor unit control unit work;
3) the indoor unit control unit detects the received detection signal of the data receiver port institute, and judges that the data are adopted
Whether collection port is in the second state;
4) when the data collection terminal mouth is in the second state, the indoor unit control unit control electric heater operation is connect
Receive the power of the indoor unit electric heater detected;
5) when electric heater works to setting time, and the indoor unit control unit judges the electric heater persistently detected
Power within the set range when, determine that electric heater start successfully, the indoor unit control unit controls in air conditioner chamber
Machine brings into operation;
6) data collection terminal mouth is arranged to first state.
9. the starting detection method of air conditioner room unit electric heater starting detection system according to claim 8, special
Sign is, further comprising the steps of:
Before indoor unit control unit work, the data collection terminal mouth is shorted using ring is shorted;
When stopping working in indoor unit control unit control electric heater, while controlling air conditioner room unit and bring into operation,
Pull out the short circuit ring.
10. a kind of air conditioner, including air conditioner room unit electric heater as described in any one of claim 1 to 7 starting detection
System.
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CN108375702B (en) * | 2017-12-01 | 2021-05-07 | 国网北京市电力公司 | Monitoring method and device for electric heating equipment |
CN111289818A (en) * | 2020-02-21 | 2020-06-16 | 海信(山东)空调有限公司 | Air conditioner outdoor unit detection system and method |
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US8675321B2 (en) * | 2009-04-28 | 2014-03-18 | Darby Group Inc. | Start test electronic device and system and method of use thereof |
CN102003767B (en) * | 2009-09-02 | 2013-04-10 | 珠海格力电器股份有限公司 | Control method and device for assistant electrical heating of air conditioner |
CN102103378B (en) * | 2009-12-21 | 2012-12-05 | 珠海格力电器股份有限公司 | Intelligent testing device and method for air-conditioner controller |
CN103675435B (en) * | 2012-09-03 | 2016-12-21 | 美的集团股份有限公司 | Frequency-variable air conditioner outdoor machine and the self-checking system of complete machine power consumption thereof and method |
CN103163911A (en) * | 2013-01-31 | 2013-06-19 | 石家庄均宜采暖科技有限公司 | Temperature controlling system and method of electrical heating system |
CN105423486B (en) * | 2015-11-05 | 2018-04-13 | 珠海格力电器股份有限公司 | The startup control method and device of electric heater |
CN105423507B (en) * | 2015-12-21 | 2018-09-18 | 珠海格力电器股份有限公司 | The method for heating and controlling of air conditioner, device and system |
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