CN104199442B - The detection means and method of air conditioner electric control system - Google Patents
The detection means and method of air conditioner electric control system Download PDFInfo
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- CN104199442B CN104199442B CN201410431717.1A CN201410431717A CN104199442B CN 104199442 B CN104199442 B CN 104199442B CN 201410431717 A CN201410431717 A CN 201410431717A CN 104199442 B CN104199442 B CN 104199442B
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Abstract
A kind of detection means and method of air conditioner electric control system, the method are included the step of connecting pressure sensitive unit, pipeline, pipeline control unit and each part of detection control unit, the step of the step of electric-control system whether there is failure, electric-control system recognize the step of compressor is in rotating forward or inverts, detection of end after judging normally by pressure sensitive unit are judged by detection control unit.During detection, detection control unit can control electric-control system to start and judge whether electric-control system is normal, if so, then compressor operating;Otherwise if it is not, then.And when the electric-control system is judged for normal, the draught head between the air inlet of compressor and gas outlet can be detected by pressure sensitive unit, analyze and show that compressor is in by detection control unit again to rotate forward or invert, thus, both the rotating of compressor had been can determine whether, the whether normal of electric-control system can have also accurately been judged.The present invention also provides air conditioner electric control system.
Description
Technical field
The present invention relates to air-conditioning system detection technique, more particularly to a kind of detection means and method of air conditioner electric control system.
Background technology
At present, whether whether normal to differentiate electric-control system the detection of air conditioner electric control system is generally by vibration of compressor,
Its specific embodiment is:During test, manually by wiring connect electric-control system mainboard and compressor both, it is complete after, by automatically controlled
System starts compressor operating, and such as compressor produces vibration, then differentiate that the electric-control system is normal, otherwise if it is not, then.But so
Discriminant approach there is a problem of one it is serious, be exactly that the rotating of compressor cannot judge, specifically, during the compressor reverse rotation
Also vibration can be produced, thus, it may appear that judge the problem that the electric-control system is failure by accident.Alternatively, it is also possible to be detected using another
Mode, is exactly using the detection method of encoder, although the encoder can detect the reversion of compressor, but needs to turn from inside
Son draws drive link, but the axle center aperture of the inner rotator is not of uniform size, therefore, the drive link needs custom-made, and needs
Installed on every compressor and fixed, it is seen then that its operation more trouble is complicated, it is difficult to promote the use of.
The content of the invention
Based on this, it is necessary to which providing one kind can precisely detect compressor operation state, simple to operate and easy to spread use
Air conditioner electric control system detection means and its detection method.
A kind of detection method of air conditioner electric control system, the air-conditioning includes a compressor, and the compressor is automatically controlled with described
System is electrically connected, and the detection method includes:
One pressure sensitive unit is set on the pipeline that the air inlet and/or gas outlet with the compressor are connected, to examine
Survey the compressor air inlet or gas outlet inside and outside draught head, or the draught head between air inlet and gas outlet;
With the connection between the air inlet and/or gas outlet of the pipeline control unit closure pipeline and the compressor
And the pipeline can be made to introduce outside air;
Control the electric-control system to start and judge the electric-control system with the presence or absence of failure by a detection control unit,
If so, then terminating;
If it is not, then controlling the pressure sensitive cell operation by the detection control unit, and analyze from the pressure
The information of the draught head of sensing unit feedback, and show that the compressor is in the relevant information for rotating forward or inverting.
When being detected, detection control unit can control electric-control system to start to the detection method of above-mentioned air conditioner electric control system
Compressor operating simultaneously judges whether electric-control system is normal, if so, then compressor operating;Otherwise if it is not, then.And judging that this is automatically controlled
System is for after normal, i.e. compressor is normal work, now, can by pressure sensitive unit detect compressor air inlet or
Draught head inside and outside gas outlet, or the draught head between air inlet and gas outlet, and pressure sensitive unit can be anti-by relevant information
Detection control unit is fed to, then is analyzed by detection control unit and is shown that compressor is in rotating forward or inverts, thus, both may be used
Judge the rotating of compressor, can also accurately judge the whether normal of electric-control system.
Additionally, additionally providing a kind of detection means of air conditioner electric control system, the air-conditioning includes a compressor, the compression
Machine is electrically connected with the electric-control system, and the detection means includes:
Pressure sensitive unit, for being arranged on the pipeline connected with the air inlet of the compressor and/or gas outlet, with
Detect the compressor air inlet or gas outlet inside and outside draught head, or the draught head between air inlet and gas outlet;
Pipeline control unit, on the pipeline, be used to block the pipeline and the compressor air inlet and/or
Connecting between gas outlet simultaneously can make the pipeline introduce the pipeline control unit of outside air;And
Detection control unit, is electrically connected with the electric-control system, the pressure sensitive unit, the pipeline control unit respectively
Connect, be used to control the electric-control system, the pressure sensitive unit, the pipeline control unit to work, and according to the pressure
The difference display compressor is in the relevant information for rotating forward still reversion.
The detection means of above-mentioned air conditioner electric control system includes pressure sensitive unit, pipe control list due to detection side's device
Unit and detection control unit, during detection, detection control unit can control electric-control system to start compressor operating and judge automatically controlled system
Whether system is normal;Draught head inside and outside the air inlet of pressure sensitive unit detection compressor or gas outlet, or air inlet and outlet
Draught head between mouthful, and relevant information is fed back into detection control unit, then analyzed by detection control unit and show pressure
Contracting machine is in and rotates forward or invert;Pipeline control unit can be such that pipeline is connected with ambient atmosphere, so that the air in the external world enters pipe
Road, so that the air pressure to inside pipeline returns to normal barometric pressure, is easy to electric-control system of the next time to be detected to test.
Thus, the structure of the detecting device is simple, easy to operate, as long as by detection control unit, just can control whole detection operation, and
And in detection, both can exactly judge the rotating of compressor, moreover it is possible to accurately judge the whether normal of electric-control system.
Brief description of the drawings
Fig. 1 is the flow chart of the detection method of air-conditioning electric-control system in present pre-ferred embodiments;
Fig. 2 is the detection means schematic diagram of air-conditioning electric-control system in present pre-ferred embodiments;
Fig. 3 is the pressure sensitive unit and compressor of the first embodiment of the detection means of air-conditioning electric-control system in Fig. 2
The schematic diagram of air inlet connection;
Fig. 4 is another pressure sensitive unit in the first embodiment of the detection means of air-conditioning electric-control system in Fig. 2 and pressure
The schematic diagram of the gas outlet connection of contracting machine;
Fig. 5 is that the pressure sensitive unit of the second embodiment of the detection means of air-conditioning electric-control system in Fig. 2 and compressor connect
The schematic diagram for connecing.
Specific embodiment
In order that the technical problem to be solved in the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Fig. 1 and Fig. 2 is referred to, air-conditioning includes a compressor 10, and the compressor 10 is electrically connected with the electric-control system 20,
The detection method of air-conditioning electric-control system, comprises the following steps in present pre-ferred embodiments:
Step S110, sets a pressure sensitive unit 31 in the air inlet 11 and/or gas outlet 12 with the compressor 10
On the pipeline 34 of connection, with detect the compressor 10 air inlet 11 or gas outlet 12 inside and outside draught head (i.e. air inlet 11
Or the draught head between the inside of gas outlet 12 and outside), or the draught head between air inlet and gas outlet.Draught head is believed for voltage
Number or on-off model.
Step S120, with a pipeline control unit 32 block the pipeline 34 and the compressor 10 air inlet 11 and/
Or connection between gas outlet 12 and the pipeline 34 can be made to introduce outside air.By the control pipeline control of detection control unit 33
Unit processed 32 can realize compressor 10 air inlet 11 and/or gas outlet 12 between connection and can introduce the pipeline 34
The function of outside air.
Step S130, controls the electric-control system 20 to start and judges the electric-control system by a detection control unit 33
20 whether there is failure, if so, then terminating;If it is not, then performing step S140.
Step S140, controls the pressure sensitive unit 31 to work by the detection control unit 33, and is controlled by detection
Unit processed 33 analyzes the information of the draught head from the pressure sensitive unit 31 feedback, and shows that the compressor 10 is in
The relevant information for rotating forward or inverting.
Reference picture 2, before being detected, first prepare to be used to sense the air inlet 11 of the compressor 10 for detect air-conditioning and
The pressure sensitive unit 31 of the draught head between gas outlet 12, it is used to connect the pressure sensitive unit 31 and the compressor 10
Air inlet 11 and/or gas outlet 12 pipeline 34, be used to block the pipeline 34 and the compressor 10 air inlet 11 and/
Or between gas outlet 12 connection and can make the pipeline 34 introducing outside air pipeline control unit 32 and be used to control institute
Electric-control system 20, the pressure sensitive unit 31, the pipeline control unit 32 is stated to work and by the correlation of the compressor 10
Presentation of information detection control unit 33 out.
When being detected, detection control unit 33 can control the startup compressor 10 of electric-control system 20 to work and judge automatically controlled
Whether system 20 is normal, if so, then compressor 10 works;Otherwise if it is not, then.And after judging the electric-control system 20 for normal,
That is, compressor 10 is normal work, now, air inlet 11 or the gas outlet of compressor 10 can be detected by pressure sensitive unit 31
Draught head between draught head inside and outside 12, or air inlet 11 and gas outlet 12, and pressure sensitive unit 31 can be by relevant information
Detection control unit 33 is fed back to, then is analyzed by detection control unit 33 and is shown that compressor 10 is in rotating forward or inverts,
Thus, the rotating of compressor 10 had both been can determine whether, the whether normal of electric-control system 20 can have also accurately been judged.
Fig. 2 is referred to, the pipeline control unit 32 of the present embodiment includes connecting the logical electromagnetism of the n m for setting with pipeline 34
The air inlet 11 and/or the closeouts 322 of gas outlet 12 of the compressor 10 that valve 321 and closure are connected with pipeline 34, wherein, n, m
It is positive integer, and n >=2, m >=3, closeouts 322 are located in pipeline 34, and magnetic valve 321 is electrically connected with detection control unit 33.
Wherein, the first end of the magnetic valve 321 is provided with least one interface, and the second end is provided with least two and connects
Mouthful, and the magnetic valve 321 is with pipeline 34 when being connected, the of one of interface of the first end of magnetic valve 321 and magnetic valve 321
One of interface at two ends is connected with pipeline 34 respectively, thus, when pipeline 34 needs to be passed through the air in the external world, as long as passing through
Detection control unit 33 control magnetic valve 321 open the interface not connected by pipeline 34, you can make the external world air from these
The inside of pipeline 34 is not entered into by the interface that pipeline 34 is connected;Certainly, if desired prevent the air in the external world from entering the inside of pipeline 34,
It is also to control magnetic valve 321 to close the interface not connected by pipeline 34 by detection control unit 33, you can prevent the sky in the external world
Gas does not enter into the inside of pipeline 34 from these by the interface that pipeline 34 is connected.
As for acting as the closeouts 322:When closeouts 322 block the air inlet of the compressor 10 connected with pipeline 34
11 or during gas outlet 12, if the compressor 10 operation work, the compressor 10 that be connected with pipeline 34 can be blocked in closeouts 322
Negative pressure is formed at the position of air inlet 11 or gas outlet 12, and the pressure sensitive unit 31 can sense and detect entering for compressor 10
Draught head inside and outside gas port 11 or gas outlet 12, or the air pressure difference between air inlet 11 and gas outlet 12, and by related letter
Breath feeds back to detection control unit 33, then is analyzed by the detection control unit 33 and judge that compressor 10 is rotated forward or inverted.
Wherein, it is preferred that to ensure cost budgeting and producing a desired effect, the magnetic valve 321 is two-position three way magnetic valve,
Certainly, also two-position four-way solenoid valve, 3 position-5 way magnetic valve etc. can be selected according to actual needs.Simultaneously, closeouts 322 are
Plug, and select to be plug not only convenient material drawing, and its flexible body has preferably closure sealing effect.
Fig. 3 and Fig. 4 is referred to, pressure sensitive unit 31 is the air inlet of pressure sensor 31a, pipeline 34 and compressor 10
11 or gas outlet 12 connect, closeouts 322 are correspondingly arranged at air inlet 11 or the gas outlet 12 of the compressor 10 connected with pipeline 34.
So, when the pressure in the air inlet 11 or gas outlet 12 that need detection compressor 10, if compressor 10 is to rotate forward, and pipeline
34 air inlets 11 for being connected to compressor 10, then it is close to -100kPa or so that pressure sensor 31a detects atmospheric pressure value;If should
Pipeline 34 is connected to the gas outlet 12 of compressor 10, then it is close to 100kPa or so that pressure sensor 31a detects atmospheric pressure value.If
Compressor 10 is reversion, and pipeline 34 is connected to the air inlet 11 of compressor 10, then pressure sensor 31a detects atmospheric pressure value and is
0kPa or so;If the pipeline 34 is connected to the gas outlet 12 of compressor 10, pressure sensor 31a detects atmospheric pressure value for 0kPa
Left and right.And after detection control unit 33 receives pressure sensor 31a feedacks, the atmospheric pressure value that can be fed back with it is default
Atmospheric pressure value (can 1 select standard atmospheric pressure) contrasted, thus just can determine whether the rotating of compressor 10.
Certainly, selectively, as shown in figure 5, pressure sensitive unit 31 is differential pressure pickup 31b, pipeline 34 and compressor
10 air inlet 11 is connected with gas outlet 12, air inlet 11 and gas outlet 12 of the closeouts 322 located at compressor 10.
So, when 10 main story of compressor, differential pressure pickup 31b is connected with the air inlet 11 of compressor 10 and gas outlet 12
Pipeline in pressure differential more than 100kPa;And during the reversion of compressor 10, the air inlet 11 of differential pressure pickup 31b and compressor 10
The pressure differential in pipeline connected with gas outlet 12 is almost 0kPa.And detection control unit 33 receives pressure sensor 31a
After feedack, the atmospheric pressure value that can be fed back is contrasted with default atmospheric pressure value, thus just can determine whether compressor 10
Rotating.
Referring again to Fig. 2, the detection control unit 33 of the present embodiment includes PLC testing and controls case 331 and is tested with PLC to control
The industrial computer 332 of the communication connection of case processed 331, industrial computer 332 is used to show the compressor 10 from the feedback of pressure sensitive unit 31
Draught head inside and outside air inlet 11 or gas outlet 12, or the air pressure difference between air inlet 11 and gas outlet 12 information.Specifically
For the PLC testing and controls case 331 passes through USB lines and is connected, and industrial computer 332 is computer.
Please continue to refer to Fig. 2, the detection means of air-conditioning electric-control system in present pre-ferred embodiments, its specific embodiment bag
Include following:
Embodiment one
Refer to Fig. 1, the air-conditioning of the present embodiment includes a compressor 10, and effect of the compressor 10 inside air-conditioning be by
Low-temperature low-pressure refrigerant steam in evaporator is sucked by muffler, and is compressed to the superheated vapor of HTHP, Ran Houjing
Cross blast pipe and be discharged to condenser, meanwhile, the compressor 10 is electrically connected with electric-control system 20, and detection means 30 includes pressure sensitive
Unit 31, pipeline control unit 32 and detection control unit 33, below each part to the detection means 30 further retouch
State:
Pressure sensitive unit 31, may be used to be arranged on the pipe connected with the air inlet 11 of compressor 10 and/or gas outlet 12
On road 34, with detect compressor 10 air inlet 11 or gas outlet 12 inside and outside draught head, or air inlet 11 and gas outlet 12 it
Between draught head, wherein, the pipeline 34 is to use flexible hose;
Pipeline control unit 32 air inlet 11 to blocking pipe 34 and compressor 10 and/or goes out on the pipeline 34
Connection between gas port 12 simultaneously can make pipeline 34 introduce outside air;
Detection control unit 33 is electrically connected with electric-control system 20, pressure sensitive unit 31, pipeline control unit 32 respectively, is used
To control electric-control system 20, pressure sensitive unit 31, pipeline control unit 32 to work, and the pressure is shown according to the pressure differential
Contracting machine 10 is in the relevant information for rotating forward or inverting.
Because detection side's device 30 includes pressure sensitive unit 31, pipeline control unit 32 and detection control unit 33,
During detection, whether just detection control unit 33 can control the startup compressor 10 of electric-control system 20 to work and judge electric-control system 10
Often;Pressure sensitive unit 31 detection compressor 10 air inlet 11 or gas outlet 12 inside and outside draught head, or air inlet 11 with go out
Draught head between gas port 12, and relevant information is fed back into detection control unit 33, then analyzed by detection control unit 33
And show that compressor 10 is in rotating forward or inverts;Pipeline control unit 32 can be such that pipeline 34 is connected with ambient atmosphere, so that outward
The air on boundary enters pipeline 34, so that the air pressure to inside pipeline 34 returns to normal barometric pressure, is easy to next time to be detected
Electric-control system 20 tested.Thus, the simple structure of detection means 30, easy to operate, as long as passing through detection control unit
33, whole detection operation is just can control, and in detection, both can exactly judge the rotating of compressor 10, moreover it is possible to precisely
Ground judges the whether normal of electric-control system 20.
Please continue to refer to Fig. 2, the pipeline control unit 32 of the present embodiment includes connecting what the n m for setting led to pipeline 34
The air inlet 11 and/or the closeouts 322 of gas outlet 12 of the compressor 10 that magnetic valve 321 and closure are connected with pipeline 34, wherein,
N, m are positive integer, and n >=2, m >=3, closeouts are located in pipeline 34, and n m three-way electromagnetic valve 321 is electric with detection control unit 33
Connection.
Wherein, the first end of the magnetic valve 321 is provided with least one interface, and the second end is provided with least two and connects
Mouthful, and the magnetic valve 321 is with pipeline 34 when being connected, the of one of interface of the first end of magnetic valve 321 and magnetic valve 321
One of interface at two ends is connected with pipeline 34 respectively, thus, when pipeline 34 needs to be passed through the air in the external world, as long as passing through
Detection control unit 33 control magnetic valve 321 open the interface not connected by pipeline 34, you can make the external world air from these
The inside of pipeline 34 is not entered into by the interface that pipeline 34 is connected;Certainly, if desired prevent the air in the external world from entering the inside of pipeline 34,
It is also to control magnetic valve 321 to close the interface not connected by pipeline 34 by detection control unit 33, you can prevent the sky in the external world
Gas does not enter into the inside of pipeline 34 from these by the interface that pipeline 34 is connected.
As for acting as the closeouts 322:When closeouts 322 block the air inlet of the compressor 10 connected with pipeline 34
11 or during gas outlet 12, if the compressor 10 operation work, the compressor 10 that be connected with pipeline 34 can be blocked in closeouts 322
Negative pressure is formed at the position of air inlet 11 or gas outlet 12, and the pressure sensitive unit 31 can sense and detect entering for compressor 10
Draught head inside and outside gas port 11 or gas outlet 12, and related feedback of the information is controlled to detection control unit 33, then by the detection
Unit processed 33 is analyzed and judges that compressor 10 is rotated forward or inverted.
Wherein, it is preferred that to ensure cost budgeting and producing a desired effect, the magnetic valve 321 is two-position three way magnetic valve,
Certainly, also two-position four-way solenoid valve, 3 position-5 way magnetic valve etc. can be selected according to actual needs.Simultaneously, closeouts 322 are
Plug, and select to be plug not only convenient material drawing, and its flexible body has preferably closure sealing effect.
Fig. 3 and Fig. 4 is referred to, used as the preferred scheme of the present embodiment, pressure sensitive unit 31 is pressure sensor 31a,
Pipeline 34 is connected with the air inlet 11 of compressor 10 or gas outlet 12, and closeouts 322 are correspondingly arranged at the compression connected with pipeline 34
The air inlet 11 of machine 10 or gas outlet 12.So, when the air pressure in the air inlet 11 or gas outlet 12 for needing detection compressor 10
When, if compressor 10 is to rotate forward, and pipeline 34 is connected to the air inlet 11 of compressor 10, then pressure sensor 31a detects gas
Pressure value is close to -100kPa or so;If the pipeline 34 is connected to the gas outlet 12 of compressor 10, pressure sensor 31a detections
It is close to 100kPa or so to atmospheric pressure value.If compressor 10 is reversion, and pipeline 34 is connected to the air inlet 11 of compressor 10, then
It is 0kPa or so that pressure sensor 31a detects atmospheric pressure value;If the pipeline 34 is connected to the gas outlet 12 of compressor 10, pressure
It is 0kPa or so that sensor 31a detects atmospheric pressure value.And detection control unit 33 receives pressure sensor 31a feedacks
Afterwards, the atmospheric pressure value that can be fed back is contrasted with default atmospheric pressure value, thus just can determine whether the rotating of compressor 10.
Referring again to Fig. 2, the detection control unit 33 of the present embodiment includes PLC testing and controls case 331 and is tested with PLC to control
The industrial computer 332 of the communication connection of case processed 331, industrial computer 332 is used to show the compressor 10 from the feedback of pressure sensitive unit 31
Draught head inside and outside air inlet 11 or gas outlet 12, or the air pressure difference between air inlet 11 and gas outlet 12 information.Specifically
For the PLC testing and controls case 331 passes through USB lines and is connected, and industrial computer 332 is computer.Set in PLC testing and controls case 331
There is PLC.
With reference to Fig. 1, the operation principle to the detection means 10 of the air conditioner electric control system of the embodiment of the present invention is made into one
Step description:
Before being detected, need to be clean by the coolant discharging in compressor 10, and its two ends copper pipe is opened wide, and thus, should
When compressor 10 works, air can be sucked from its air inlet 11, and air is compressed by internal piston or rotation dish, so
Discharged from gas outlet 12 afterwards.Industrial computer 332 is communicated by USB lines with PLC testing and controls case 331, and control is turned on the power, and to
Electric-control system 20 to be measured sends test instruction, and electric-control system to be measured 20 receives test instruction, and is exported by test command request
The signal of related load, starts compressor 10, and PLC testing and controls case 331 can gather the state of electric-control system 20 simultaneously during this
Feed back to industrial computer 332.During detection, detection control unit 33 judges whether electric-control system 20 is normal, if so, the then work of compressor 10
Make;Otherwise if it is not, then.And after judging the electric-control system 20 for normal, i.e. compressor 10 is normal work, now, can be passed through
Draught head inside and outside the air inlet 11 of the detection compressor 10 of pressure sensitive unit 31 or gas outlet 12, and the meeting of pressure sensitive unit 31
Relevant information is fed back into detection control unit 33, then is analyzed by detection control unit 33 and is shown that compressor 10 is in rotating forward
Or invert, thus, both can determine whether the rotating of compressor 10, can also accurately judge the whether normal of electric-control system 20.It is complete
Afterwards, pipeline control unit 32 can be such that pipeline 34 is connected with ambient atmosphere, so that the air in the external world enters pipeline 34, so that arriving pipe
Air pressure inside road 34 returns to normal barometric pressure, is easy to electric-control system 20 of the next time to be detected to test.
Embodiment two
Fig. 4 is referred to, the implementation method of embodiment two is similar with the way of example of embodiment one, specifically see
The implementation method of embodiment one, is not described further herein, and both differences are:
Pressure sensitive unit 31 is differential pressure pickup 31b, and pipeline 34 connects with the air inlet 11 of compressor 10 and gas outlet 12
It is logical, air inlet 11 and gas outlet 12 of the closeouts 322 located at compressor 10.
So, when 10 main story of compressor, differential pressure pickup 31b is connected with the air inlet 11 of compressor 10 and gas outlet 12
Pipeline in pressure differential more than 100kPa, and compressor 10 is when inverting, the air inlet 11 of differential pressure pickup 31b and compressor 10
The pressure differential in pipeline connected with gas outlet 12 is almost 0kPa.And detection control unit 33 receives pressure sensor 31a
After feedack, the atmospheric pressure value that can be fed back is contrasted with default atmospheric pressure value, thus just can determine whether compressor 10
Rotating.
Embodiment described above only expresses several embodiments of the invention, is not intended to limit the invention, all at this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in protection model of the invention
Within enclosing.
Claims (12)
1. a kind of detection method of air conditioner electric control system, the air-conditioning includes a compressor, the compressor and the automatically controlled system
System electrical connection, it is characterised in that the detection method includes:
One pressure sensitive unit is set on the pipeline that the air inlet and/or gas outlet with the compressor are connected, to detect
State compressor air inlet or gas outlet inside and outside draught head, or the draught head between air inlet and gas outlet;
With a pipeline control unit block the pipeline and the compressor air inlet and/or gas outlet between connection and can
The pipeline is set to introduce outside air;
Control the electric-control system to start and judge the electric-control system with the presence or absence of failure by a detection control unit, if
It is then to terminate;
If it is not, then controlling the pressure sensitive cell operation by the detection control unit, and analyze from the pressure sensitive
The information of the draught head of unit feedback, and show that the compressor is in the relevant information for rotating forward or inverting.
2. the detection method of air conditioner electric control system as claimed in claim 1, it is characterised in that the pipeline control unit includes
N m three-way electromagnetic valve being set with the pipeline communication and block with the air inlet of the compressor of the pipeline communication and/or
The closeouts of gas outlet, wherein, n >=2, m >=3, the closeouts are located in the pipeline, and the magnetic valve and the detection are controlled
Unit electrical connection processed.
3. the detection method of air conditioner electric control system as claimed in claim 2, it is characterised in that the pressure sensitive unit is pressure
Force snesor, the pipeline is connected with the air inlet of the compressor or gas outlet, and the closeouts are correspondingly arranged at and the pipe
The air inlet of the compressor of road connection or gas outlet.
4. the detection method of air conditioner electric control system as claimed in claim 2, it is characterised in that the pressure sensitive unit is pressure
Gap sensor, the pipeline is connected with the air inlet of the compressor and gas outlet, and the closeouts are located at the compressor
Air inlet and gas outlet.
5. the detection method of the air conditioner electric control system as described in claim any one of 1-4, it is characterised in that the detection control
Unit includes the industrial computer that PLC testing and controls case is connected with PLC testing and controls case communication, and the industrial computer is used to show certainly
The information of the draught head.
6. a kind of detection means of air conditioner electric control system, the air-conditioning includes a compressor, the compressor and the automatically controlled system
System electrical connection, it is characterised in that the detection means includes:
Pressure sensitive unit, for being arranged on the pipeline connected with the air inlet of the compressor and/or gas outlet, to detect
Draught head inside and outside the air inlet of the compressor or gas outlet, or the draught head between air inlet and gas outlet;
Pipeline control unit, on the pipeline, is used to block the air inlet and/or outlet of the pipeline and the compressor
Connecting between mouthful simultaneously can make the pipeline introduce the pipeline control unit of outside air;And
Detection control unit, electrically connects with the electric-control system, the pressure sensitive unit, the pipeline control unit respectively,
It is used to control the electric-control system, the pressure sensitive unit, the pipeline control unit to work, and it is aobvious according to the draught head
Show that the compressor is in the relevant information for rotating forward or inverting.
7. the detection means of air conditioner electric control system as claimed in claim 6, it is characterised in that the pipeline control unit includes
With the air inlet and/or outlet of n m three-way electromagnetic valve of the pipeline communication and closure and the compressor of the pipeline communication
The closeouts of mouth, wherein, n >=2, m >=3, the closeouts are located in the pipeline, and the magnetic valve and the detection control are single
Unit's electrical connection.
8. the detection means of air conditioner electric control system as claimed in claim 7, it is characterised in that the magnetic valve is two-position three way
Magnetic valve.
9. the detection means of air conditioner electric control system as claimed in claim 7, it is characterised in that the closeouts are plug.
10. the detection means of air conditioner electric control system as claimed in claim 7, it is characterised in that the pressure sensitive unit is
Pressure sensor, the pipeline is connected with the air inlet of the compressor or gas outlet, the closeouts be correspondingly arranged at it is described
The air inlet of the compressor of pipeline communication or gas outlet.
The detection means of 11. air conditioner electric control systems as claimed in claim 7, it is characterised in that the pressure sensitive unit is
Differential pressure pickup, the pipeline is connected with the air inlet of the compressor and gas outlet, and the closeouts are located at the compressor
Air inlet and gas outlet.
The detection means of the 12. air conditioner electric control system as described in claim any one of 6-10, it is characterised in that the detection control
Unit processed includes the industrial computer that PLC testing and controls case is connected with PLC testing and controls case communication, and the industrial computer is used to show
From the draught head information.
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CN109738712A (en) * | 2018-12-12 | 2019-05-10 | 格力电器(武汉)有限公司 | The line detection device for phase sequence and method and detection system of a kind of compressor |
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DE3176073D1 (en) * | 1980-12-31 | 1987-05-07 | Siemens Ag | Experimenting device |
JP3495858B2 (en) * | 1996-10-31 | 2004-02-09 | 東芝キヤリア株式会社 | Air conditioner |
CN100485351C (en) * | 2006-07-10 | 2009-05-06 | 东南大学 | Multifunction refrigeration air conditioner test platform |
CN201408229Y (en) * | 2009-05-12 | 2010-02-17 | 广州市地下铁道总公司 | Testing device of air-conditioning control panel |
CN202679885U (en) * | 2012-06-04 | 2013-01-16 | 艾默生网络能源有限公司 | Cabinet air conditioner ventilation unit and modularization data center |
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2014
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