CN206990228U - A kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit - Google Patents
A kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit Download PDFInfo
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- CN206990228U CN206990228U CN201720617474.XU CN201720617474U CN206990228U CN 206990228 U CN206990228 U CN 206990228U CN 201720617474 U CN201720617474 U CN 201720617474U CN 206990228 U CN206990228 U CN 206990228U
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Abstract
The utility model provides a kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit, including coil pipe, the coil pipe includes first end and the second end, the first end connects the tubule of outdoor unit to be tested by the first snap joint, the second end connects the extra heavy pipe in outdoor unit to be tested by the second snap joint, forms refrigerating circuit；Also include refrigerating circuit parameter detection equipment and single-chip microcomputer, the refrigerating circuit parameter detection equipment detects and generates at least one refrigerating circuit running parameter signal, exports to the single-chip microcomputer, the single-chip microcomputer receives the running parameter signal and exported.The utility model improves the inspection speed and testing accuracy of air-conditioner with fixed frequency outdoor unit inspection.
Description
Technical field
It the utility model is related to apparatus of air conditioning technical field, more particularly to a kind of fast fast-growing of air-conditioner with fixed frequency outdoor unit
Frock is examined in production.
Background technology
In the prior art, air-conditioner with fixed frequency to be dispatched from the factory integrally is tested, and can be dispatched from the factory after qualified.In checkout procedure,
Prepare an indoor set, outdoor unit to be tested connects with standard indoor set, air-conditioner with fixed frequency complete machine operation, in outdoor unit one
Side, by manually differentiating to the parameters of outdoor unit, determine whether leaving air temp qualified, if manually judge it is qualified,
Outdoor unit meets standard, you can dispatches from the factory.
In the existing method of inspection, due to needing complete machine to run, so detection device takes up an area big, purchase cost height.Whole
In the checkout procedure of machine, different degrees of consume also occurs in the less indoor set functional part of the degree of association, and it is unnecessary to cause
Loss.The overall operation process for being additionally, since indoor set is complicated, it is not easy to which the unified operating mode of established standardses, parameter fluctuation rise and fall
Greatly.Meanwhile outdoor unit operational factor by manually judging when, although can be to the accurate judgement of leaving air temp.But in outdoor unit
Compressor failure itself is not easy to discover.If coolant injection deficiency also is difficult to by manually determining in system.At present, it is artificial to judge
The process of parameter needs 20 minutes every about platform, time-consuming longer, reduces the efficiency of complete machine inspection.
The content of the invention
To solve the problems, such as that prior art checkability and testing accuracy are relatively low, the utility model designs and proposes that one kind is fixed
The quick production testing frock of frequency air-conditioner outdoor unit.
A kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit, including coil pipe, the coil pipe include first end and
The second end, the first end connect the tubule of outdoor unit to be tested by the first snap joint, and the second end passes through
Second snap joint connects the extra heavy pipe in outdoor unit to be tested, forms refrigerating circuit；Also include refrigerating circuit parameter detection equipment
And single-chip microcomputer, the refrigerating circuit parameter detection equipment detect and generate at least one refrigerating circuit running parameter signal, output
To the single-chip microcomputer, the single-chip microcomputer receives the running parameter signal and exported.
Further, the refrigerating circuit parameter detection equipment includes capillary temperature sensor, extra heavy pipe temperature sensor, pressure
Force snesor and current detecting unit, the pressure sensor detect the refrigerant pressure in the refrigerating circuit, the electric current
Detection unit detects the running current of compressor；The capillary temperature sensor, extra heavy pipe temperature sensor, pressure sensor and electricity
Stream detection unit generates capillary temperature detection signal, extra heavy pipe temperature detection signal, pressure detecting signal and current detecting letter respectively
Number and inputted by the multi-channel input mouth of the single-chip microcomputer into the single-chip microcomputer, the single-chip microcomputer receives the capillary temperature
Detection signal, extra heavy pipe temperature detection signal, pressure detecting signal and current detection signal, and pass through one or more output port
Output.
Further, in addition to display unit, the input of the display unit connect all the way or more of the single-chip microcomputer
Road output port, receive the multiplex operation parameter signal and show.
Further, in addition to examine the power-supply device of frock power supply, the power end of the single-chip microcomputer connects the electricity
Source device；The power-supply device generates and exports power supply signal to the power end of the single-chip microcomputer, the power end of the single-chip microcomputer
Receive the power supply signal and sample the equipment state signal that the refrigerating circuit parameter detection equipment is generated and exported.
Further, in addition to warning device, the warning device are connected described in the output end of the single-chip microcomputer and reception
The alarm signal of single-chip microcomputer output.
Further, in addition to clock circuit, the clock circuit exports clock signal, the single-chip microcomputer according to it is described when
Clock signal and output switching signal are to switch unit；Described switch unit one end connects the output end of the single-chip microcomputer, the other end
Connect the current supply circuit of compressor.
Further, in addition to human-computer interaction device, the output end of the human-computer interaction device connect the single-chip microcomputer
Input, the single-chip microcomputer receive the parameter signal of human-computer interaction device's output and storage.
Further, the current detecting unit includes current transformer, rectification circuit, the bleeder circuit being sequentially connected
And filter circuit；The primary side of wherein described current transformer is current input terminal, and the output end of the filter circuit connects institute
State the input all the way of single-chip microcomputer.
Preferably, the rectification circuit is bridge rectifier.
Preferably, the filter circuit is Order RC filter circuit.
By the quick production testing frock of air-conditioner with fixed frequency outdoor unit disclosed in the utility model, air-conditioner with fixed frequency is utilized
The characteristics of compressor frequency is constant, be specifically designed by independent coil pipe and singlechip group into inspection frock, it is complete without one
Indoor set quickly can inerrably detect the state of air-conditioner with fixed frequency, required place and examine equipment small, avoid
The loss of interior machine functional part less to the degree of association, while testing accuracy is improved, when having prevented artificial judgement leaving air temp
The risk of compressor failure itself and coolant injection amount deficiency is omitted, while improves checkability.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of knot of embodiment of the quick production testing frock of air-conditioner with fixed frequency outdoor unit disclosed in the utility model
Structure schematic block diagram；
Fig. 2 is the structural representation of coil pipe in Fig. 1；
Fig. 3 is the circuit diagram of current detecting unit in Fig. 1.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Shown in Figure 1 is that the quick production testing frock of air-conditioner with fixed frequency outdoor unit disclosed in the utility model is a kind of real
Apply the structural schematic block diagram of example.As shown in figure 1, in the present embodiment, frock is examined to include coil pipe 1, coil pipe 1 includes first end
11 and the second end 12.First end 11 connects the tubule 211 of outdoor unit to be tested by the first snap joint 13, that is, presses
The liquid pipe of contracting machine 21, or be high-voltage tube, the second end 12 is connected thick in outdoor unit to be tested by the second snap joint 14
Pipe 212, that is, the tracheae of compressor 21, either referred to as muffler or low-voltage tube, formation refrigerating circuit, refrigerating circuit are made
The path of cryogen flowing.Frock is examined also to include refrigerating circuit parameter detection equipment 3 and single-chip microcomputer 4, refrigerating circuit parameter detecting
Equipment 3 detects the working condition of refrigerating circuit, and generates at least one refrigerating circuit running parameter signal, exports to single-chip microcomputer 4,
Single-chip microcomputer 4 receives running parameter signal and exported.Multiple outdoor units to be tested are connected by snap joint and coil pipe 1, can be with fast
Start working fastly, refrigerating circuit parameter detection equipment 3 can return refrigerating circuit running parameter signal in real time and export to list
Piece machine 4 so that operating personnel know working condition within the very first time.It is shown in Figure 2, coil pipe 1 by some groups of copper pipe disks around
Formed into coiled pipe.Coiled pipe is bent with fine copper, and refrigerant enters from the first end 11 on the top of coil pipe 1, evaporates caused steam
Gas flows out from the second end 12 of the bottom of coil pipe 1.The operating condition of coil pipe 1 is easily controlled relative to the indoor set of standard, can be with
Stable unified and few disturbance variable test environment is formed, while is further improved overall by the sample detecting signal of single-chip microcomputer 4
Test speed.In parameter decision one end, without arranging specific staff, human cost is reduced.
Say to a more specific step, in order to solve can not manually to detect asking for the virtual condition of compressor 21 and coolant injection amount
Topic, includes capillary temperature sensor 31, extra heavy pipe temperature sensor 32, pressure sensor in refrigerating circuit parameter detection equipment 3
33 and current detecting unit 34.Wherein pressure sensor 33 detects the refrigerant pressure in refrigerating circuit, current detecting unit 34
Detect the running current of compressor 21.Capillary temperature sensor 31, extra heavy pipe temperature sensor 32, pressure sensor 33, electric current inspection
Survey unit 34 and generate capillary temperature detection signal, extra heavy pipe temperature detection signal, pressure detecting signal and current detection signal respectively
And in the multi-channel input mouth input value single-chip microcomputer 4 for passing through single-chip microcomputer 4.Single-chip microcomputer 4 receives capillary temperature detection signal, extra heavy pipe temperature
Detection signal, pressure detecting signal and current detection signal are spent, and is exported by one or more output port.Utilize tubule temperature
Degree detection signal, extra heavy pipe temperature detection signal and pressure detecting signal can draw the situation for coolant leakage whether occur.Specifically
Judgement computational methods be disclosed in prior art, be not the key protection point of the present embodiment, will not be repeated here.Due to fixed
The frequency of compressor 21 of frequency air conditioner keeps constant, so may determine that the work shape of compressor 21 by current detection signal
State, the method specifically compared are also well known to those skilled in the art, are repeated no more again.Due in frock is examined, single-chip microcomputer 4
Inspection service is stood alone as, it is advantageous to which multi-way detecting signal is inputted by multi-channel input mouth, ensures the real-time of detection data
Property, while the data processing speed of optimizing check frock, improve checkability.Certainly, according to the characteristics of outdoor unit to be tested,
The a kind of or a kind of of the sensor can also be set in refrigerating circuit parameter detection equipment 3, but testing accuracy can be influenceed.
The output end of frock single-chip microcomputer is being examined, can be by one or more output port output signal, to sentence as follow-up data
Disconnected, processing basis.
It is a kind of preferable to be illustrated in figure 3 the quick production testing frock of fixed frequency air conditioner outdoor unit disclosed in the utility model
Circuit diagram.As shown in figure 3, current detecting unit 34 include be sequentially connected Current Transmit, rectification circuit, bleeder circuit and
Filter circuit.The running current of compressor 21 is that is, primary defeated by the primary side of current input terminal, i.e. Current Transmit
Enter, exported from the secondary side of Current Transmit, the bridge rectifier rectification formed by diode D1, D2, D3 and D4, with
And divider resistance R1, R2 and VR partial pressure switch are voltage signal, and after filtering circuit filtering input it is defeated all the way to single-chip microcomputer 4
Enter end.Analog to digital conversion circuit (not shown) is additionally provided between filter circuit and single-chip microcomputer 4, the analog quantity sampled is turned
It is changed to digital quantity.Clamp diode D5 is additionally provided with current detecting unit 34, clamp diode D5 negative pole connects 5V power supplys,
Input signal is avoided to cause to damage to single-chip microcomputer 4 more than 5V.Filter circuit is preferably by electrochemical capacitor E, electric capacity C and resistance R4 groups
Into Order RC filter circuit.When the electric current of compressor 21 changes, the input current of Current Transmit changes,
Output current also changes, so that the road input of single-chip microcomputer 4 one receives the real-time current detected value of compressor 21, and
Further obtain whether compressor of outdoor unit 21 itself is in normal working condition.
In order that assay can be understood in time by obtaining operating personnel, display unit 10 is additionally provided with, display unit 10 can
To be LCD or LED display.One or more output port of the input connection single-chip microcomputer 4 of display unit 10, is received more
Road running parameter signal is simultaneously shown.
Power-supply device 6 is additionally provided with frock is examined.Power-supply device 6 examines frock power supply, the electricity of single-chip microcomputer 4 to be whole
Source connects power-supply device 6.Power-supply device 6 generates and exports power supply signal to the power end of single-chip microcomputer 4.In order to improve inspection man
The stability of dress, the power end of single-chip microcomputer 4 receive the power supply signal and sample refrigerating circuit parameter detection equipment 3 and generate and export
Equipment state signal.Equipment state signal is preferably capillary temperature sensor 31, extra heavy pipe temperature sensor 32 and pressure sensing
The standby signal of device 33.If there is no equipment state signal output, illustrate corresponding to sensor itself it is faulty.
Warning device 9 is additionally provided with frock is examined, warning device 9 connects the output end of single-chip microcomputer 4 and receives monolithic
The alarm signal that machine 4 exports.If sensor itself is faulty, or outdoor unit breaks down, and the output end of single-chip microcomputer 4 exports
Alarm signal is to warning device 9, and warning device 9 is preferably the combination of indicator lamp, buzzer or indicator lamp and buzzer, to carry
Show that operating personnel carry out the processing of next step.
In order to ensure to examine the efficiency of frock, the Check-Out Time of each outdoor unit is preferably provided with.Specifically, in addition to
Clock circuit 7, clock circuit 7 export clock signal.The clock signal and output switching that single-chip microcomputer 4 exports according to clock circuit 7
Signal is to switch unit 8.Switch unit 8 is preferably one group of contact of relay, and switching signal is level signal, switch unit 8
One end connects the output end of single-chip microcomputer 4, and the other end connects the current supply circuit of compressor 21.When single-chip microcomputer 4 receives clock signal
Afterwards, outputs level signals, by controlling the break-make of contact to control the operation of compressor 21.Clock circuit 7 is preferably in single-chip microcomputer 4
The clock circuit 7 or the independent clock circuit 7 independently of single-chip microcomputer 4 put, as 555 timing chips or it is similar
The chip of clocking capability can be realized.When preferably setting normal operation to 10 minutes, the current supply circuit of compressor 21 is automatically cut off,
To ensure to examine the detection efficiency of frock.
In checkout procedure, it is possible to need to change default partial parameters in single-chip microcomputer 4, therefore, in addition to man-machine friendship
Mutual equipment 5.The input of the output end connection single-chip microcomputer 4 of human-computer interaction device 5, single-chip microcomputer 4 receive human-computer interaction device 5 and exported
Parameter signal and storage.Human-computer interaction device 5 can be keyboard, touch-screen or similar equipment.
By the quick production testing frock of air-conditioner with fixed frequency outdoor unit disclosed in the utility model above-described embodiment, utilize
The characteristics of air-conditioner with fixed frequency compressor frequency is constant, be specifically designed by independent coil pipe and singlechip group into inspection frock, nothing
A complete indoor set is needed quickly can inerrably to detect the state of air-conditioner with fixed frequency, required place and inspection equipment
It is small, the loss of interior machine functional part less to the degree of association is avoided, while testing accuracy is improved, prevent artificial judgement
The risk of compressor failure itself and coolant injection amount deficiency is omitted during leaving air temp, while improves checkability.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
1. a kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit, it is characterised in that including coil pipe, the coil pipe includes the
One end and the second end, the first end connect the tubule of outdoor unit to be tested by the first snap joint, and described second
End connects the extra heavy pipe in outdoor unit to be tested by the second snap joint, forms refrigerating circuit；Also include refrigerating circuit parameter
Detection device and single-chip microcomputer, the refrigerating circuit parameter detection equipment detect and generate at least one refrigerating circuit running parameter letter
Number, export to the single-chip microcomputer, the single-chip microcomputer receives the running parameter signal and exported.
2. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 1, it is characterised in that the refrigeration
Loop parameter detection device includes capillary temperature sensor, extra heavy pipe temperature sensor, pressure sensor and current detecting unit, institute
State the refrigerant pressure in the pressure sensor detection refrigerating circuit, the operation electricity of the current detecting unit detection compressor
Stream；The capillary temperature sensor, extra heavy pipe temperature sensor, pressure sensor and current detecting unit generate capillary temperature respectively
Detection signal, extra heavy pipe temperature detection signal, pressure detecting signal and current detection signal are simultaneously defeated by the multichannel of the single-chip microcomputer
Inbound port is inputted into the single-chip microcomputer, the single-chip microcomputer receive the capillary temperature detection signal, extra heavy pipe temperature detection signal,
Pressure detecting signal and current detection signal, and exported by one or more output port.
3. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 2, it is characterised in that also include aobvious
Show unit, the input of the display unit connects one or more output port of the single-chip microcomputer, receives the multichannel work
Make parameter signal and show.
4. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 3, it is characterised in that also including being
The power-supply device of frock power supply is examined, the power end of the single-chip microcomputer connects the power-supply device；The power-supply device generation is simultaneously
Power supply signal to the power end of the single-chip microcomputer, the power end of the single-chip microcomputer is exported to receive described in the power supply signal and sampling
The equipment state signal that refrigerating circuit parameter detection equipment is generated and exported.
5. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 4, it is characterised in that also include report
Alert equipment, the warning device connect the output end of the single-chip microcomputer and receive the alarm signal of the single-chip microcomputer output.
6. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 5, it is characterised in that also including when
Clock circuit, the clock circuit export clock signal, and the single-chip microcomputer is according to the clock signal output switching signal to switching
Unit；Described switch unit one end connects the output end of the single-chip microcomputer, and the other end connects the current supply circuit of compressor.
7. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 6, it is characterised in that also including people
Machine interactive device, the output end of the human-computer interaction device connect the input of the single-chip microcomputer, described in the single-chip microcomputer receives
The parameter signal of human-computer interaction device's output and storage.
8. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to any one of claim 2 to 7, its feature exist
In the current detecting unit includes current transformer, rectification circuit, bleeder circuit and the filter circuit being sequentially connected；Wherein
The primary side of the current transformer is current input terminal, and the output end of the filter circuit connects the defeated all the way of the single-chip microcomputer
Enter end.
9. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 8, it is characterised in that the rectification
Circuit is bridge rectifier.
10. the quick production testing frock of air-conditioner with fixed frequency outdoor unit according to claim 9, it is characterised in that the filter
Wave circuit is Order RC filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617474.XU CN206990228U (en) | 2017-05-31 | 2017-05-31 | A kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617474.XU CN206990228U (en) | 2017-05-31 | 2017-05-31 | A kind of quick production testing frock of air-conditioner with fixed frequency outdoor unit |
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| CN206990228U true CN206990228U (en) | 2018-02-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000335A (en) * | 2018-07-05 | 2018-12-14 | 季全 | A kind of air-conditioner outdoor unit air draft quality detection device |
| CN109406179A (en) * | 2018-09-11 | 2019-03-01 | 青岛海尔（胶州）空调器有限公司 | A kind of air conditioner test method and test device with automatic protection functions |
| CN110361210A (en) * | 2019-07-05 | 2019-10-22 | 广东志高暖通设备股份有限公司 | A kind of online test method of air-conditioner outdoor unit |
-
2017
- 2017-05-31 CN CN201720617474.XU patent/CN206990228U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000335A (en) * | 2018-07-05 | 2018-12-14 | 季全 | A kind of air-conditioner outdoor unit air draft quality detection device |
| CN109406179A (en) * | 2018-09-11 | 2019-03-01 | 青岛海尔（胶州）空调器有限公司 | A kind of air conditioner test method and test device with automatic protection functions |
| CN109406179B (en) * | 2018-09-11 | 2021-06-29 | 青岛海尔（胶州）空调器有限公司 | Air conditioner testing method and testing device with automatic protection function |
| CN110361210A (en) * | 2019-07-05 | 2019-10-22 | 广东志高暖通设备股份有限公司 | A kind of online test method of air-conditioner outdoor unit |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180312 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei hi tech Industrial Park, Haier Park Patentee after: WUHAN HAIER CO., LTD. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Haier Air conditioner General Co., Ltd., Qingdao City |