CN207634319U - Compressor and the apparatus of air conditioning - Google Patents
Compressor and the apparatus of air conditioning Download PDFInfo
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- CN207634319U CN207634319U CN201721820328.3U CN201721820328U CN207634319U CN 207634319 U CN207634319 U CN 207634319U CN 201721820328 U CN201721820328 U CN 201721820328U CN 207634319 U CN207634319 U CN 207634319U
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Abstract
The utility model is related to a kind of compressor and the apparatuses of air conditioning, wherein, compressor includes control unit (1), guiding valve (4), oil cylinder (6) and traffic detection function (3), oil cylinder (6) is for driving guiding valve (4) mobile, traffic detection function (3) is gone here and there in the working oil path where being located at oil cylinder (6), for detecting the fluid integrated flow in oil cylinder (6) working chamber, the fluid integrated flow that control unit (1) can be detected according to traffic detection function (3), logical oil mass in control cylinder (6) working chamber, so that guiding valve (4) reaches target operational position.Since the operating position of guiding valve and the interior volume specific ratio of compressor are corresponding, thus such compressor, which can be realized, continuously adjusts interior volume specific ratio, so that compressor is worked in best object content product ratio under specific run operating mode, the Energy Efficiency Ratio of compressor can be improved, it is energy saving.
Description
Technical field
The utility model is related to Compressor Technology field more particularly to a kind of compressors and the apparatus of air conditioning.
Background technology
Helical-lobe compressor is the important component of business air conditioner Screw chiller, is referred to as " heart " of business air conditioner.
With the development of converter technique, frequency conversion screw machine gradually occupies a tiny space on the market.The variable-frequency motor that converter technique uses,
The rotating speed of screw rod machine rotor can be changed, and then controls the capacity of compressor, frequency conversion screw machine can be adapted for a variety of occasions
And environment, and fine-tuning environment temperature, therefore, frequency conversion screw machine has the characteristics that energy saving, applied widely.
For the different operating condition of screw machine, the interior volume specific ratio for corresponding to best efficiency is also different, in the prior art
Compressor arrangement cannot adjust interior volume specific ratio in real time so that can not necessarily be corresponded to when compressor is run under specific operation best
Interior volume specific ratio so that helical-lobe compressor efficiency is poor, wastes the energy.
Utility model content
The purpose of this utility model is a kind of compressor of proposition and the apparatus of air conditioning, can adjust interior volume specific ratio in real time.
To achieve the above object, on the one hand the utility model provides a kind of compressor, including control unit, guiding valve, oil
Cylinder and traffic detection function, for driving guiding valve to move, traffic detection function string is located in the working oil path where oil cylinder oil cylinder,
For detecting the fluid integrated flow in cylinder efficient chamber, the fluid that control unit can be detected according to traffic detection function is accumulative
Flow, the logical oil mass in control cylinder working chamber, so that guiding valve reaches target operational position.
Further, in target operational position, interior volume specific ratio and the operating condition of compressor operating match.
Further, when the direction of motion difference of guiding valve, traffic detection function is able to detect that the flow direction of fluid becomes
Change, to obtain the fluid integrated flow in cylinder efficient chamber.
Further, compressor further includes solenoid valve, and solenoid valve is located in the working oil path where oil cylinder, control unit energy
It is enough so that guiding valve is maintained at required position to control the oil mass for being passed through oil cylinder to solenoid valve input control signal.
Further, control signal is lasting pulse signal.
Further, the current operating position of guiding valve is the integrated flow divided by oil cylinder of the fluid of traffic detection function detection
Cross-sectional area.
Further, compressor further includes pressure source, and flowing of the pressure source for the fluid into working oil path provides pressure.
Further, pressure source is the pressure at expulsion of compressor.
Further, compressor is helical-lobe compressor.
To achieve the above object, on the other hand the utility model provides a kind of apparatus of air conditioning, including above-mentioned implementation
Compressor described in example.
Based on the above-mentioned technical proposal, the compressor of the utility model, the work where the oil cylinder for driving guiding valve movement
Make string in oil circuit and set traffic detection function, for detecting the fluid integrated flow in cylinder efficient chamber, control unit being capable of basis
The fluid integrated flow of traffic detection function detection, the logical oil mass in control cylinder working chamber, so that guiding valve reaches target operation
Position.Since the operating position of guiding valve and the interior volume specific ratio of compressor are corresponding, thus such compressor can be adjusted real-time continuously
Interior volume specific ratio is saved, so that compressor is worked in best object content product ratio under specific run operating mode, the energy of compressor can be improved
Ratio is imitated, it is energy saving.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the Principles of Regulation schematic diagram of the utility model compressor interior volume specific ratio；
Fig. 2 is the control principle schematic diagram of the adjusting of the utility model compressor interior volume specific ratio.
Reference sign
1, control unit；2, solenoid valve；3, traffic detection function；4, guiding valve；5, pressure source；6, oil cylinder.
Specific implementation mode
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The various aspects so limited can be combined with any other one side or many aspects, can not be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferred or advantageous any feature can be considered as preferred or advantageous spy with other one or more
Sign combination.
In the description of the present invention, it should be understood that term "inner", "outside", "upper", "lower", " left side " and " right side "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this practicality newly
Type does not indicate or imply the indicated device and must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as the limitation to scope of protection of the utility model.
As shown in Figure 1, in helical-lobe compressor, with the rotation of rotor, by the pressure of compressed gas along the axis of rotor
Line gradually rises, and is gradually to shift to exhaust end from the suction end of compressor on spatial position.Guiding valve 4 is in the slot below rotor
Mobile, the movement of guiding valve 4 can adjust the volume flow of compressor, to change effective active length of screw rod, to change pressure
The exhaust port pressure of contracting machine reaches different interior volume specific ratios.For the different operating condition of compressor, such as different evaporation temperature
When degree and condensation temperature, the interior volume specific ratio of corresponding best efficiency is also different.
In order to the interior volume specific ratio of adjusting screw rod compressor in real time, so that the operating condition of interior volume specific ratio and compressor
Matching, the utility model improves the interior volume specific ratio regulative mode of helical-lobe compressor, equally, such regulative mode
It is applicable to other types of compressor.In a schematical embodiment, as shown in Figure 1, the compressor of the utility model
Including control unit 1, guiding valve 4, oil cylinder 6 and traffic detection function 3.
Wherein, oil cylinder 6 realizes the change of 4 operating position of guiding valve, to adjust in compressor for driving guiding valve 4 to move
Volumetric ratio.The working media of oil cylinder 6 can be lubricating oil etc..The string of traffic detection function 3 is located at the working oil path where oil cylinder 6
In, for detecting the fluid integrated flow in 6 working chamber of current oil cylinder in real time, control unit 1 can be according to traffic detection function 3
The fluid integrated flow for detecting and feeding back, the logical oil mass in 6 working chamber of control cylinder, so that guiding valve 4 reaches target operational position.
Preferably, in target operational position, the interior volume specific ratio of compressor operating is matched with operating condition, and compressor can be made entirely to work
Higher Energy Efficiency Ratio is obtained in the process.
The compressor of the utility model embodiment is in spool control valve motor adjustment interior volume specific ratio, with reference to figure 2, Neng Goushi
When accurately obtain traffic detection function feedback fluid integrated flow, to obtain the current working site of guiding valve 4, if currently
Operating position miss the mark operating position, the then logical oil mass in control cylinder 6, until guiding valve 4 is made to reach target operational position.
The fluid integrated flow that traffic detection function 3 detects is equivalent to the close loop control circuit for realizing spool position, can be accurately
Guiding valve 4 is adjusted to required operating position.
Since the operating position of guiding valve and the interior volume specific ratio of compressor are corresponding, thus such compressor can real-time continuously
Interior volume specific ratio is adjusted, so that compressor is worked in best object content product ratio under specific run operating mode, compressor can be improved
Energy Efficiency Ratio, it is energy saving.
Guiding valve 4 is in inside compressor, and has high pressure gas in compression chamber, it is difficult to real-time and accurately obtain 4 work of guiding valve
Physical location during work can only also examine position if to be directly detected 4 position of guiding valve by position detection component
It surveys component to be located at except compressor, and increases movement transmission or switching mechanism, compressor housing is guided into the movement of guiding valve 4
Outside, such as on guiding valve 4 slope is set, one end of mandril abuts against on the slope, and the other end is connect with position detection component, slope
Mandril, which cooperates, can be converted to the horizontal movement of guiding valve 4 vertical and straight movement of mandril, and be detected by position detection component
Mandril displacement.Such structure is complex, and needs to consider the sealing problem of compression chamber.
The embodiments of the present invention then avoid the thinking of directly detection displacement, pass through the oil moved to driving guiding valve 4
The integrated flux of cylinder 6 is detected, and can obtain the operating position of guiding valve 4 indirectly.Such mode be not necessarily to compressor from
Body structure is changed too much, it is only necessary to which string sets traffic detection function, such as the reserved opening in working oil path in working oil path
Upper installation traffic detection function 3, simple and practical in structure, Measurement reliability is high, and cost is relatively low.
Preferably, traffic detection function 3 can be flowmeter, and flowmeter can detect in the working oil path at 4 place of guiding valve
Instantaneous flow or the integrated flux in seclected time interval.For example, electromagnetic flowmeter may be selected in flowmeter, has and measure
Precision is high, and the pressure loss is small, and the advantages that stability is good is used for a long time.
In order to obtain the current location of piston rod in oil cylinder 6 by the fluid integrated flow in 6 working chamber of oil cylinder, into
And obtain the current location of guiding valve 4, it is preferable that when the direction of motion difference of guiding valve 4, traffic detection function 3 is able to detect that
The flow direction of fluid changes, and to obtain the fluid integrated flow in 6 working chamber of oil cylinder, i.e. traffic detection function 3 can be realized double
To measurement.For the traffic detection function 3 with bidirectional measuring function, during obtaining integrated flow, fluid forward stream
The integrated flow detected when dynamic is labeled as positive value, and the integrated flow that when fluid reverse flow is detected is negative value, forward and reverse accumulative stream
The algebraical sum of amount is the fluid integrated flow in 6 working chamber of oil cylinder, this calculating process can be by traffic detection function 3
Converter calculates, or can also be calculated by control unit 1.
For the ease of providing the current working site of guiding valve 4, the initialization position of guiding valve 4 can be defined using as base
It is accurate.For example, can be using the state that oil-filled quantity in the working chamber of oil cylinder 6 is preset value as the initial position of guiding valve 4, when oil cylinder 6
When oil-filled quantity in working chamber gradually increases, the piston rod of oil cylinder 6 gradually stretches out, at this time the corresponding accumulative stream in fluid flow direction
Amount can be positive value；After the oil-filled quantity in 6 working chamber of oil cylinder increases to limiting value, the piston rod of oil cylinder 6 is gradually retracted, this
When fluid flow direction corresponding integrated flow be negative value, the accumulative stream of corresponding integrated flow and negative value when by oil-filled quantity maximum
Amount summation, it will be able to obtain the operating position of current guiding valve 4.
Specifically, the current operating position of guiding valve 4 is the integrated flow divided by oil cylinder for the fluid that traffic detection function 3 detects
6 cross-sectional area.The integrated flow of fluid is current oil-filled volume V in oil cylinder 6, and the cross-sectional area of oil cylinder 6 is S, passes through L
=V/S can obtain length L oil-filled in oil cylinder 6.By the oil-filled length and initial position in oil cylinder 6, guiding valve 4 can be obtained
Current location.
Further, further include solenoid valve 2 in the compressor of the utility model, solenoid valve 2 is located at the work where oil cylinder 6
In oil circuit, control unit 1 can be passed through the oil mass of oil cylinder 6 with control, guiding valve 4 made to be maintained to 2 input control signal of solenoid valve
Required position.By controlling the turn-on time of solenoid valve 2, the oil mass being passed through in oil cylinder 6 can be adjusted, such mode controls letter
It is single, it is easy to accomplish logical oil mass accurately controls.
Those skilled in the art at least can be used following two control modes realizations and guiding valve 4 be adjusted to required position, under
Face will provide respectively.
First, needing target location to be achieved according to guiding valve 4, control unit 1, which directly calculates, needs to make solenoid valve 2 to keep
The time of on-state, accordingly control unit 1 directly input continuous control signal to solenoid valve 2, make needed for guiding valve 4 moves to
Position, then judge whether guiding valve 4 reaches with compressor operating operating mode to matched mesh by the feedback signal of traffic detection function 3
Cursor position.Such control mode is more quickly direct.
Second, control unit 1 makes guiding valve 4 be moved according to default step-length discontinuously to 2 input control signal of solenoid valve,
Constantly judge whether guiding valve 4 reaches and compressor operating work according to the feedback signal of traffic detection function 3 during control
Condition continues, to 2 input control signal of solenoid valve, solenoid valve 2 otherwise to be made to be in disconnected if not reaching to matched target location
Open state is to stop leading to oil into oil cylinder 6.
Preferably, control signal is lasting pulse signal, and pulse signal is intermittent signal, and such control mode can
It realizes and discontinuously leads to oil into oil cylinder 6, prevent the piston rod in oil cylinder 6 from moved to due to inertia beyond target location, make cunning
The position of valve 4 is more controllable, to improve the accuracy of 4 position of guiding valve control, realize the interior volume specific ratio of compressor in real time with
Operating condition matches.
Further include pressure source 5 in the working oil path of oil cylinder 6, pressure source 5 is used for the flowing of fluid into working oil path and carries
For pressure, to push the movement of piston rod in oil cylinder 6 to realize the adjustment of 4 operating position of guiding valve.
Preferably, pressure source 5 is the pressure at expulsion of compressor.Since the pressure at compressor air-discharging end is higher, in this, as
Power can drive the fluid in compressor oil groove to enter working oil path, and the fluid in working oil path is made to flow, new without adding
Component provide pressure for fluid, the utilization rate of energy can be improved.Alternatively, pressure source 5 can also be the components such as pump.
The compressor of the utility model is therefore particularly suitable for frequency conversion compression due to that can adjust interior volume specific ratio in real time
Machine, control unit 1 export lasting pulse control signal or other types of control signal to solenoid valve 2, and solenoid valve 2 is made to control
Working oil path is switched on or switched off, and fluid enters oil cylinder 6 in an on state, is moved by oil pressure cntrol guiding valve 4.
Control principle schematic diagram as shown in Figure 2, during control unit 1 controls solenoid valve 2 and leads to oil to oil cylinder 6,
Guiding valve 4 can be made to be maintained at the target operational position to match with operating condition according to the feedback signal of traffic detection function 3.
When the control signal of solenoid valve 2 continues the first preset time, guiding valve 4 reaches whole loads, and compressor is made to be in full load condition；When
The control signal of solenoid valve 2 continues the second preset time, and the second preset time is shorter than the first preset time, 4 sub-load of guiding valve,
Compressor is set to be in 25% load condition.The load of compressor can carry out electrodeless adjustment as a result, within the scope of 25%-100%
The free position to match with operating condition.
Secondly, the utility model additionally provides a kind of apparatus of air conditioning, includes the compressor of above-described embodiment.Due to this
Kind compressor can adjust interior volume specific ratio real-time continuously, and compressor is made to be worked under specific run operating mode in best target
Volumetric ratio, thus the apparatus of air conditioning of the utility model can make the working condition and operating condition phase of compressor at work
Matching, it is energy saving to improve the Energy Efficiency Ratio of the apparatus of air conditioning.
Finally, the control method of the utility model compressor is illustrated based on Fig. 1 and Fig. 2.It is schematical at one
In embodiment, which includes：
Step 101, traffic detection function 3 detect the fluid integrated flow in 4 working chamber of guiding valve in real time；
The fluid integrated flow that step 102, control unit 1 are detected according to traffic detection function 3,6 working chamber of control cylinder
Interior logical oil mass, so that guiding valve 4 reaches target operational position.
In the control method of the utility model compressor, step 101 executes always during control, flow testing division
The fluid integrated flow that part 3 detects is equivalent to the close loop control circuit for realizing spool position, and control unit 1 is in control cylinder 6
When logical oil mass in working chamber, logical oil mass signal currently practical in 6 working chamber of oil cylinder is fed back to control by traffic detection function 3
Component 1, to adjust the logical oil mass in 5 working chamber of oil cylinder in real time, to which guiding valve 4 to be accurately adjusted to required working position
It sets.
Since the operating position of guiding valve and the interior volume specific ratio of compressor are corresponding, thus such control method can be real-time continuous
Ground adjusts interior volume specific ratio, so that compressor is worked in best object content product ratio under specific run operating mode, compressor can be improved
Energy Efficiency Ratio during the work time, it is energy saving.
In another embodiment, compressor includes solenoid valve 2, and solenoid valve 2 is located in the working oil path at 4 place of guiding valve,
The step of logical oil mass in 6 working chamber of control cylinder, specifically includes：
Control unit 1 is passed through the oil mass of oil cylinder 6 to 2 input control signal of solenoid valve, control.
Preferably, control signal is lasting pulse signal.Pulse signal is intermittent signal, and such control mode can
It realizes and discontinuously leads to oil into oil cylinder 6, prevent the piston rod in oil cylinder 6 from moved to due to inertia beyond target location, make cunning
The position of valve 4 is more controllable, to improve the accuracy of 4 position of guiding valve control, realize the interior volume specific ratio of compressor in real time with
Operating condition is to matching.
Further, before step 101, such control method may also include：
Step 100A, it obtains compressor corresponding object content under different operating conditions and accumulates ratio；
Step 100B, according to corresponding target operational position of the object content product than obtaining guiding valve 4 under different operating conditions.
In step 100A, compressor is under different operating conditions, such as under different evaporating temperature and condensation temperature,
Best interior volume specific ratio will be corresponded to, under best object content product ratio, compressor can reach highest efficiency, will run
Operating mode and can make compressor reach highest energy efficiency object content product ratio between correspondence be stored in advance in control unit 1
In, and corresponding 4 operating position of guiding valve of interior volume specific ratio under each operating condition is obtained by step 100B, also it is stored in advance in control
In component 1.
Further, before the logical oil mass in 6 working chamber of control cylinder, such control method further includes：
Step 101A, the fluid integrated flow that control unit 1 is detected according to traffic detection function 3, judges that compressor is current
Interior volume specific ratio corresponding under current working object content product ratio it is whether consistent, 6 working chamber of control cylinder if inconsistent
Otherwise interior logical oil mass keeps the logical oil mass in 6 working chamber of oil cylinder constant.
When needing to control the logical oil mass in 6 working chamber of control cylinder, control unit 1 can be previously according to the operating condition
The target operational position of lower corresponding guiding valve 4 is determined to need the control signal inputted to solenoid valve 2, such as control signal is lasting
Pulse signal when, it may be determined that go out to need the total time of pulse signal being passed through.During control, if flow testing division
Part 3 detects that the fluid integrated flow of 6 working chamber of oil cylinder has made guiding valve 4 reach target operational position, then stops to solenoid valve 2
Input control signal.
A kind of compressor provided by the utility model and the apparatus of air conditioning are described in detail above.Herein
It applies specific embodiment to be expounded the principles of the present invention and embodiment, the explanation of above example is
It is used to help understand the method and its core concept of the utility model.It should be pointed out that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, this
A little improvement and modification are also fallen into the protection domain of the utility model claims.
Claims (10)
1. a kind of compressor, which is characterized in that including control unit (1), guiding valve (4), oil cylinder (6) and traffic detection function (3),
For driving the guiding valve (4) mobile, traffic detection function (3) string is located at where the oil cylinder (6) oil cylinder (6)
In working oil path, for detecting the fluid integrated flow in the oil cylinder (6) working chamber, the control unit (1) being capable of basis
The fluid integrated flow of traffic detection function (3) detection, controls the logical oil mass in the oil cylinder (6) working chamber, so that institute
It states guiding valve (4) and reaches target operational position.
2. compressor according to claim 1, which is characterized in that in the target operational position, the compressor operating
Interior volume specific ratio match with operating condition.
3. compressor according to claim 1, which is characterized in that when the direction of motion difference of the guiding valve (4), the stream
Amount detection part (3) is able to detect that the flow direction variation of fluid, to show that the fluid in the oil cylinder (6) working chamber is accumulative
Flow.
4. compressor according to claim 1, which is characterized in that further include solenoid valve (2), the solenoid valve (2) is located at
In working oil path where the oil cylinder (6), the control unit (1) can to the solenoid valve (2) input control signal, with
Control is passed through the oil mass of the oil cylinder (6), and the guiding valve (4) is made to be maintained at required position.
5. compressor according to claim 4, which is characterized in that the control signal is lasting pulse signal.
6. compressor according to claim 1, which is characterized in that the current operating position of the guiding valve (4) is the stream
Measure the integrated flow for the fluid that detection part (3) detects divided by the cross-sectional area of the oil cylinder (6).
7. compressor according to claim 1, which is characterized in that further include pressure source (5), the pressure source (5) is used for
Into the working oil path, the flowing of fluid provides pressure.
8. compressor according to claim 7, which is characterized in that the pressure source (5) is the exhaust pressure of the compressor
Power.
9. compressor according to claim 1, which is characterized in that the compressor is helical-lobe compressor.
10. a kind of apparatus of air conditioning, which is characterized in that including any compressor of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820328.3U CN207634319U (en) | 2017-12-21 | 2017-12-21 | Compressor and the apparatus of air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820328.3U CN207634319U (en) | 2017-12-21 | 2017-12-21 | Compressor and the apparatus of air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634319U true CN207634319U (en) | 2018-07-20 |
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ID=62853715
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721820328.3U Active CN207634319U (en) | 2017-12-21 | 2017-12-21 | Compressor and the apparatus of air conditioning |
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| Country | Link |
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| CN (1) | CN207634319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917077A (en) * | 2017-12-21 | 2018-04-17 | 珠海格力电器股份有限公司 | Compressor and control method, the apparatus of air conditioning |
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2017
- 2017-12-21 CN CN201721820328.3U patent/CN207634319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917077A (en) * | 2017-12-21 | 2018-04-17 | 珠海格力电器股份有限公司 | Compressor and control method, the apparatus of air conditioning |
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