CN110440501A - A kind of detection system of refrigerating device - Google Patents
A kind of detection system of refrigerating device Download PDFInfo
- Publication number
- CN110440501A CN110440501A CN201910684234.5A CN201910684234A CN110440501A CN 110440501 A CN110440501 A CN 110440501A CN 201910684234 A CN201910684234 A CN 201910684234A CN 110440501 A CN110440501 A CN 110440501A
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- CN
- China
- Prior art keywords
- detection
- refrigerating device
- nitrogen flushing
- refrigerating
- flow rate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to refrigeration technology fields, more particularly to a kind of detection system of refrigerating device, comprising: model acquisition device is configured to acquire the type information of refrigerating device to be checked；Nitrogen blowing device is configured to carry out nitrogen flushing operation to the capillary of refrigerating device；Flowmeter is configured to the nitrogen flushing flow of measurement nitrogen blowing device；Detect host, it is separately connected with model acquisition device and flowmeter, and it is configured to: obtains the flow rate zone for corresponding to refrigerating device model, nitrogen flushing flow and flow rate zone are compared, nitrogen flushing flow is regarded as into exception beyond the refrigerating device of flow rate zone.The present invention is provided with detection host, records without artificial detection, and system can automatically compare nitrogen flushing flow and flow rate zone, and voluntarily judge whether exception, meets the requirement of new factory's digitlization, fining.
Description
Technical field
The present invention relates to refrigeration technology fields, more particularly to a kind of detection system of refrigerating device.
Background technique
In the production line of current existing refrigerating device (such as refrigerator), capillary will appear bending after homogeneous tube
Cause to block, will appear leak source after welding leads to gas leakage.Whether occur blocking or the feelings of gas leakage to detect capillary
Condition generally can carry out nitrogen flushing operation to capillary, can not only check whether capillary occurs bending or the problem of leak source, also
The partial impurities in capillary can be blown out.Only the prior art is sentenced using the glass flow rate meter of nitrogen flushing equipment connection
It is disconnected, since the flow value that nitrogen circuit is influenced will lead to nitrogen blowout by factors such as pressure is of different sizes, the connection of nitrogen flushing equipment
Coloured bead rises corresponding scale according to nitrogen stream magnitude size in glass flow rate meter.If flow value when nitrogen flushing operates is providing
Outside range, then it can determine whether that pipeline has the case where bending blocking or gas leakage.
Distinct, the corresponding nitrogen flow of refrigerating device refrigeration system itself additionally, due to different model
Being worth range may be different, has testing staff's artificial observation glass flow rate in respect of color bead lifting height to judge to be in the prior art
The detection mode of no qualification, levels of precision is poor, and reliability is low, is unable to satisfy the production detection needs of refrigerating device.
Summary of the invention
In view of the above problems, the present invention is proposed in order to provide a kind of inspection of the higher refrigerating device of accuracy in detection
Examining system.
A further object of the present invention is to meet the testing requirements of different model refrigerating device.
Particularly, the present invention provides a kind of detection systems of refrigerating device, comprising: model acquisition device, configuration
At the type information for acquiring refrigerating device to be checked；Nitrogen blowing device is configured to carry out to the capillary of refrigerating device
Nitrogen flushing operation；Flowmeter is configured to the nitrogen flushing flow of measurement nitrogen blowing device；Host is detected, with model acquisition device and flow
Meter is separately connected, and is configured to: the flow rate zone for corresponding to refrigerating device model is obtained, by nitrogen flushing flow and flow rate zone
It compares, nitrogen flushing flow is regarded as into exception beyond the refrigerating device of flow rate zone.
Optionally, model acquisition device includes: code reader, is configured to the label attached on scanning refrigerating device, mark
Record has type information in label.
Optionally, flow rate zone is summarized by the refrigerating device progress nitrogen flushing test to different model qualification and is obtained,
And it is pre-stored in detection host.
Optionally, detection system further include: transmission device is configured to transmission refrigerating device, and along transmission device
Direction of transfer be disposed with pipeline welding section and the first detection zone；Model acquisition device, nitrogen blowing device and flowmeter are equal
It is set to the first detection zone, transmission device is configured to that the refrigerating dress of refrigeration pipeline welding will be completed in pipeline welding section
It sets and is sent to the first detection zone.
Optionally, the second detection zone is additionally provided in the downstream of the first detection zone along the direction of transfer of transmission device；
And system further include: helium checking device is set to the second detection zone, is configured to the refrigeration pipeline to the refrigerating device
It carries out helium inspection and helium inspection result is stored in the detection host, to verify the leakproofness of the refrigeration pipeline.
Optionally, transmission device is provided with the first transmitting path in the downstream of the second detection zone along its direction of transfer, uses
Belong to the refrigerating device of flow rate zone and helium inspection qualification in transmission nitrogen flushing flow；Second transmitting path is used for nitrogen flushing
Detection assert that exception or the underproof refrigerating device of helium inspection are sent to and reprocess area.
Optionally, the refrigerating device for belonging to flow rate zone to nitrogen flushing flow carries out helium inspection.
Optionally, detection host is configured to nitrogen flushing flow, nitrogen flushing flow and the flow rate zone of storage refrigerating device
Comparing result and helium examine result.
Optionally, host is detected further include: display screen is configured to once identify that the type information of refrigerating device is automatic
Show that the nitrogen flushing flow of refrigerating device, the comparing result of nitrogen flushing flow and flow rate zone and helium examine result.
Optionally, the first transmitting path, which is led to, makees electro-detection region, to carry out energization detection to refrigerating device.
The detection system of a kind of refrigerating device of the invention, comprising: model acquisition device is configured to acquire to be checked
The type information of refrigerating device；Nitrogen blowing device is configured to carry out nitrogen flushing operation to the capillary of refrigerating device；Flow
Meter is configured to the nitrogen flushing flow of measurement nitrogen blowing device；Host is detected, is separately connected with model acquisition device and flowmeter, and
It is configured to: obtaining the flow rate zone for corresponding to refrigerating device model, nitrogen flushing flow and flow rate zone are compared, will be blown
Nitrogen flow regards as exception beyond the refrigerating device of flow rate zone.The present invention is provided with detection host, is not necessarily to artificial detection
Record, system can automatically compare nitrogen flushing flow and flow rate zone, and voluntarily judge whether exception, meet new factory's number
Change, the requirement of fining.
Further, the flow rate zone of refrigerating device of the invention under normal circumstances is by different model qualification
Refrigerating device carry out nitrogen flushing test summarize obtain, and be pre-stored within detection host in, be different from the prior art for
The refrigerating device of different model is all made of identical flow rate zone, and different flow areas is arranged according to different model by the present invention
Between, it is also more accurate for nitrogen flushing detection.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the detection system of refrigerating device according to an embodiment of the invention；
Fig. 2 is the flow diagram of the detection system of refrigerating device according to an embodiment of the invention；And
Fig. 3 is the schematic block diagram of the detection system of refrigerating device according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic diagram of the detection system of refrigerating device according to an embodiment of the invention.The present embodiment
The detection system of refrigerating device, comprising: model acquisition device 210, nitrogen blowing device 220, flowmeter 230 and detection host
700.Wherein model acquisition device 210 is configured to acquire the type information of refrigerating device to be checked；Nitrogen blowing device 220 configures
Nitrogen flushing operation is carried out to the capillary of refrigerating device；Flowmeter 230 is configured to the nitrogen flushing stream of measurement nitrogen blowing device 220
Amount.Detection host 700 is separately connected with model acquisition device 210 and flowmeter 230, and be will test host 700 and be configured to: being obtained
The flow rate zone corresponding to refrigerating device model is taken, nitrogen flushing flow and flow rate zone are compared, nitrogen flushing flow is surpassed
The refrigerating device in outflow section regards as exception.The present invention is provided with detection host 700, records without artificial detection,
System can automatically compare nitrogen flushing flow and flow rate zone, and voluntarily judge whether exception, meet new factory's digitlization, essence
The requirement of refinement.And measured using electronic flowmeter 230, measurement result is read into uploading system, electronic flowmeter automatically
230 it can be concluded that specific nitrogen flushing value, accuracy in detection is higher, measurement result can be sent to detection host 700 automatically.
Fig. 2 is the flow diagram of the detection system of refrigerating device according to an embodiment of the invention.
Fig. 3 is the schematic block diagram of the detection system of refrigerating device according to an embodiment of the invention.
The prior art is all made of identical flow rate zone, such as refrigerator for the refrigerating device of different model, for
For refrigerator, the refrigeration system of the refrigerator of different models is distinct, such as single system, dual system and three systems, each system
Nitrogen stream magnitude range is different, and it is qualified that existing detection generally takes three system intersection 3.28L/min~6.28L/min to examine as nitrogen
Flow rate zone.And flow rate zone is marked out on the scale of glass flow rate meter and is come, glass flow rate meter is visually observed by employee
Whether coloured bead lifting height is seen in mark section, to judge whether qualification.And the present embodiment is then according to different model
Refrigerator different flow rate zones is set, the selection for flow rate zone is by the refrigerating device to different model qualification
It carries out nitrogen flushing test summary and show that (such as respectively to single system, the refrigerator of dual system and three systems is tested respectively, set in advance
Set corresponding flow rate zone), it is then to be measured using electronic flowmeter 230 during the test, measurement result is read automatically
Uploading system is taken, manually-operated inaccuracy and uncertainty have both been avoided, also complies with the digitized requirement of existing factory.This
The flow rate zone that embodiment obtains can be pre-stored in detection host 700, be obtained automatically until subsequent need.Its
Record has type information in the label of middle refrigerating device
The model acquisition device 210 of the present embodiment is mainly used for acquiring the type information of refrigerating device, can take
Scheme have: barcode scanning, is manually entered scanning patter information.Using barcode scanning scheme when can be set on refrigerating device
It sets such as two dimensional code, RFID tag (Radio Frequency Identification, abbreviation RFID), model is acquired and is filled
210 are set configured with corresponding code reader 211, once refrigerating device passes through code reader 211, code reader 211 can be known automatically
Type information is not obtained.Wherein type information is prerecorded in the label of refrigerating device.In other alternative embodiments
In, refrigerating device can also integrally be carried out identifying and then the type information for obtaining refrigerating device (such as passes through figure
Refrigerating device as identifying different shapes), or the refrigerating device directly from inputting detection into detection host 700
Model.
The type information of the available refrigerating device to be detected of model acquisition device 210 is arranged in the present embodiment,
It corresponds and stores with testing result, accomplished that specific flow value is bound with each refrigerating device, for later period inquiry.
The refrigerating device detection system of the present embodiment is provided with the first detection zone 200 and the second detection zone 300,
It is detected mainly for blocking, that is, leak source problem of refrigerating device.Model acquisition device 210, nitrogen blowing device 220 and stream
Meter 230 is all set in the first detection zone 200, and transmission device is configured to that refrigeration pipeline will be completed in pipeline welding section 100
The refrigerating device of welding is sent to the first detection zone 200.The refrigerating device of the present embodiment is detected in arrival first
Refrigerator label is scanned by the code reader 211 that model acquisition device 210 carries behind region 200, the starting of nitrogen blowing device 220 is cold to refrigerating
Freeze device and carry out nitrogen flushing operation, flowmeter 230 is connect with nitrogen blowing device 220, to obtain nitrogen flushing flow.Again by nitrogen flushing flow with
Flow rate zone compares, and it is qualified or unqualified for obtaining comparing result, and by the type of comparing result and refrigerating device
Number information binding storage is into detection host 700, and wherein record has the type information in the label of refrigerating device.If going out
Now leakage is blown or the underproof situation of nitrogen flushing, then system determines unqualified that refrigerator can not also be avoided by the second detection zone 300
Make that electro-detection discovery refrigeration for refrigerator effect is bad counter to look into the reason of being nitrogen flushing station later.
Next, refrigerating device is sent to the second detection zone 300 by transmission device, helium checking device 310 is set to
Second detection zone 300 is configured to carry out helium inspection to the refrigeration pipeline of refrigerating device, to verify the sealing of refrigeration pipeline
Property.After refrigerating device reaches the second detection zone 300, it is obtained in the comparing result of the first detection zone 200, and according to
The operation of comparing result decision next step.If comparing result be it is normal, by refrigerating device in the second detection zone 300
It is detected；If comparing result is exception, refrigerating device is sent to the second transmitting path by transmission device.If
Helium inspection result be it is normal, then refrigerating device is sent to the first transmitting path by transmission device；If it is different that helium, which examines result,
Often, then refrigerating device is sent to the second transmitting path by transmission device.
The detection host 700 of the present embodiment is connect with model acquisition device 210, flowmeter 230 and helium checking device 310, inspection
Survey comparing result and helium that host 700 is configured to the nitrogen flushing flow of storage refrigerating device, nitrogen flushing flow and flow rate zone
Examine result.Detection host 700 further includes display screen 710, and once display screen 710 is configured to the model letter identification refrigerating device
The nitrogen flushing flow of the automatic display refrigerating device of breath, the comparing result of nitrogen flushing flow and flow rate zone and helium examine result.
First transmitting path of refrigerating device, which is led to, makees electro-detection region 600, is making the refrigeration of 600 pairs of electro-detection region
Refrigerating plant carries out energization detection, wherein refrigerating device refrigeration effect can be detected, once discovery refrigeration effect is not
It is good, so that it may directly to inquire nitrogen flushing flow, the nitrogen flushing stream of the device by the model of refrigerating device in detection host 700
Amount with the comparing result of flow rate zone and helium inspection as a result, can very rapidly find whether be the first detection zone 200 or
It is that the second detection zone 300 missing inspection or failure problems occurs.Wherein the second detection zone 300 with make electro-detection region 600
It is also provided with other detections or assembly area, is not just described in detail one by one herein.
Transmission device in the detection system of the present embodiment is configured to transmission refrigerating device, and along transmission device
Direction of transfer is disposed with pipeline welding section 100, the first detection zone 200, the second detection zone 300, and in the second detection
The downstream in region 300 is provided with the first transmitting path and the second transmitting path, and the first transmitting path leads to and makees electro-detection area
Domain 600, to carry out energization detection to refrigerating device, and the second transmitting path then leads to and reprocesses area 500.First transmitting path
Belong to the refrigerating device of flow rate zone and helium inspection qualification for transmitting nitrogen flushing flow；Second transmitting path is used for nitrogen flushing
Detection assert that exception or the underproof refrigerating device of helium inspection are sent to and reprocess area 500.Area is wherein reprocessed for pipeline
Blocking or welding gas leakage place under repair
Electronic flowmeter 230 can be connected to wire body programmable logic controller (PLC) (Programmable by the present embodiment
Logic Controller, abbreviation PLC), reach the first detection zone 200 after by code reader 211 scan label obtain model letter
Breath, start-up operation device carry out nitrogen flushing operation to refrigerating device.By data acquisition and supervisor control
(Supervisory Control And Data Acquisition, abbreviation SCADA) acquires the model letter of refrigerating device
Breath and nitrogen flushing flow simultaneously bind storage, and manufacturing enterprise's production process is executed system (Manufacturing Execution
System, abbreviation MES) it is docked with data acquisition with supervisor control SCADA progress data, wherein detection host 700 is arranged
In MES, to access the information system of the entire production line.By the type information of refrigerating device and nitrogen flushing flow and flow
Section compares, and is shown on the display screen 710 of the second detection zone 300.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of detection system of refrigerating device, comprising:
Model acquisition device is configured to acquire the type information of the refrigerating device to be checked；
Nitrogen blowing device is configured to carry out nitrogen flushing operation to the capillary of the refrigerating device；
Flowmeter is configured to measure the nitrogen flushing flow of the nitrogen blowing device；
Host is detected, is separately connected with the model acquisition device and the flowmeter, and be configured to: being obtained described in corresponding to
The flow rate zone of refrigerating device model, the nitrogen flushing flow and the flow rate zone are compared, by the nitrogen flushing stream
Amount regards as exception beyond the refrigerating device of the flow rate zone.
2. system according to claim 1, wherein the model acquisition device includes:
Code reader is configured to scan the label attached on the refrigerating device, and record has the model to believe in the label
Breath.
3. system according to claim 1, wherein
The flow rate zone carries out nitrogen flushing test summary by the refrigerating device to different model qualification and obtains, and deposits in advance
It is stored in the detection host.
4. system according to claim 1, wherein
The detection system further include: transmission device is configured to transmit the refrigerating device, and along the transmission device
Direction of transfer be disposed with pipeline welding section and the first detection zone；
The model acquisition device, the nitrogen blowing device and the flowmeter are all set in first detection zone, the biography
Send device be configured to be sent in the refrigerating device that refrigeration pipeline welding is completed in the pipeline welding section it is described
First detection zone.
5. system according to claim 4, wherein
Direction of transfer along the transmission device is additionally provided with the second detection zone in the downstream of first detection zone；And
The system also includes:
Helium checking device is set to second detection zone, connect with the detection host, is configured to fill the refrigerating
The refrigeration pipeline set carries out helium inspection and helium inspection result is stored in the detection host, to verify the sealing of the refrigeration pipeline
Property.
6. system according to claim 5, wherein
The transmission device is provided with along its direction of transfer in the downstream of the second detection zone
First transmitting path, for transmitting, the nitrogen flushing flow belongs to the flow rate zone and the helium examines the described cold of qualification
Hide refrigerating plant；
Second transmitting path, for nitrogen flushing detection to be assert that the abnormal or described underproof refrigerating device of helium inspection passes
It send to reprocessing area.
7. system according to claim 5, wherein
The refrigerating device for belonging to the flow rate zone to the nitrogen flushing flow carries out helium inspection.
8. system according to claim 5, wherein
The detection host be configured to store the nitrogen flushing flow of the refrigerating device, the nitrogen flushing flow with it is described
The comparing result of flow rate zone and the helium examine result.
9. system according to claim 8, wherein the detection host further include:
Display screen is configured to once identify that the type information of the refrigerating device shows the refrigerating dress automatically
The comparing result and helium inspection result of the nitrogen flushing flow, the nitrogen flushing flow and the flow rate zone set.
10. system according to claim 6, wherein
First transmitting path, which is led to, makees electro-detection region, to carry out energization detection to the refrigerating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684234.5A CN110440501A (en) | 2019-07-26 | 2019-07-26 | A kind of detection system of refrigerating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684234.5A CN110440501A (en) | 2019-07-26 | 2019-07-26 | A kind of detection system of refrigerating device |
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| CN110440501A true CN110440501A (en) | 2019-11-12 |
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| CN201910684234.5A Pending CN110440501A (en) | 2019-07-26 | 2019-07-26 | A kind of detection system of refrigerating device |
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Citations (5)
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| JP2005114313A (en) * | 2003-10-10 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Manufacturing method of refrigerating unit and manufacturing method of refrigerator |
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2019
- 2019-07-26 CN CN201910684234.5A patent/CN110440501A/en active Pending
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| JP2005114313A (en) * | 2003-10-10 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Manufacturing method of refrigerating unit and manufacturing method of refrigerator |
| JP2017072491A (en) * | 2015-10-08 | 2017-04-13 | Ｖｉｓｔａ株式会社 | Leakage inspection device and leakage inspection method |
| CN105606387A (en) * | 2016-01-04 | 2016-05-25 | 青岛海尔空调器有限总公司 | Factory detection method and system for indoor unit of air conditioner |
| CN109092920A (en) * | 2018-08-09 | 2018-12-28 | 苏州菲利达铜业有限公司 | A kind of process for processing capillary |
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