CN105571228A - Compressor system and compressor frequency detecting and modulating method - Google Patents
Compressor system and compressor frequency detecting and modulating method Download PDFInfo
- Publication number
- CN105571228A CN105571228A CN201610032615.1A CN201610032615A CN105571228A CN 105571228 A CN105571228 A CN 105571228A CN 201610032615 A CN201610032615 A CN 201610032615A CN 105571228 A CN105571228 A CN 105571228A
- Authority
- CN
- China
- Prior art keywords
- frequency
- compressor
- control unit
- signal
- electric quantity
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a compressor system and a compressor frequency detecting and modulating method. The compressor system comprises an electric quantity detecting device, a control device and a compressor, wherein the electric quantity detecting device is connected with the power line of the compressor system, and is used for detecting the frequency of the compressor system and generating frequency signals; and the control device is connected with the electric quantity detecting device and the compressor, and the control device can be used for displaying the values of the frequency signals and controlling the frequency of the compressor according to the frequency signals. Due to the application of the technical scheme provided by the invention, real time detection and displaying for compressor frequency are achieved, equipment is not required to be dedicatedly arranged for detecting the frequency of the compressor, compressor abnormity or failure can be avoided, and control over the running frequency of the compressor can also be performed.
Description
Technical field
The present invention relates to air-conditioning technical field, detect and frequency modulation method in particular to a kind of compressor assembly and compressor frequency.
Background technology
Existing air conditioner cannot see that in running the frequency of compressor operating can only detect compression running frequency by oneself developing flight data recorder, and then judge compressor operating situation, or by running mode switching, according to conditions such as ring temperature, judge compressor frequency.
Summary of the invention
A kind of compressor assembly and compressor frequency is provided to detect and frequency modulation method, to realize detection and the frequency modulation of the frequency of compressor in the embodiment of the present invention.
For achieving the above object, the embodiment of the present invention provides a kind of compressor assembly, comprise electric quantity detection apparatus, control device and compressor, electric quantity detection apparatus is connected with the power line of compressor assembly, and electric quantity detection apparatus is for detecting the frequency of compressor assembly and generated frequency signal; Control device is connected with electric quantity detection apparatus and compressor, control device can display frequency signal value and control the frequency of compressor according to frequency signal.
Further, electric quantity detection apparatus comprises current transformer, voltage transformer and mixed-signal processor, current transformer is all connected with power line with voltage transformer, mixed-signal processor is all connected with current transformer and voltage transformer, the current value that mixed-signal processor can detect according to current transformer and the magnitude of voltage that voltage transformer detects calculate the power consumption of compressor assembly, and mixed-signal processor can also calculate the frequency of compressor and generated frequency signal according to power consumption.
Further, control device comprises: interior machine micro-control unit, is connected with electric quantity detection apparatus, and interior machine micro-control unit can receiving frequency signals generate control signal; Display unit, is connected with interior machine micro-control unit and for showing the frequency signal that interior machine micro-control unit receives; Outer machine micro-control unit, is connected with interior machine micro-control unit and compressor, and outer machine micro-control unit reception control signal also controls the frequency of compressor according to control signal.
Present invention also offers a kind of compressor frequency to detect and frequency modulation method, for carrying out frequency detecting and frequency modulation to above-mentioned compressor assembly, compressor frequency detect and frequency modulation method comprise the following steps: step 1, by electric quantity detection apparatus detection compressor assembly power consumption; Step 2, electric quantity detection apparatus calculate the frequency of compressor according to power consumption, and generated frequency signal is sent to control device; Step 3, control device the value of display frequency signal and control device can adjust the frequency of compressor according to frequency signal.
Further, in step 1, electric quantity detection apparatus detects current value and the magnitude of voltage of compressor assembly, and calculates power consumption according to current value and magnitude of voltage.
Further, in step 2, when power consumption increases, the value of frequency signal increases, and when power consumption reduces, the value of frequency signal reduces.
Further, Control Component comprises interior machine micro-control unit and display unit, interior machine micro-control unit is connected with electric quantity detection apparatus, display unit is connected with interior machine micro-control unit, step 3 comprises: interior machine micro-control unit receives the frequency signal of electric quantity detection apparatus transmission and generates control signal, and display unit can show the value of the frequency signal that interior machine micro-control unit receives.
Further, Control Component also comprises outer machine micro-control unit, and outer machine micro-control unit is connected with interior machine micro-control unit and compressor, and step 3 comprises: outer machine micro-control unit reception control signal also controls the frequency of compressor according to control signal.
Further, control device has initial setting frequency values, and step 3 comprises, the value of comparison frequency signal and the size of initial setting frequency values, and adjusts the frequency of compressor according to comparative result.
Further, in step 3: when the value of frequency signal is greater than initial setting frequency values, control device reduces the frequency of compressor; When the value of frequency signal is less than initial setting frequency values, control device increases the frequency of compressor; When the value of frequency signal equals initial setting frequency values, the frequency that control device maintains compressor is constant.
Apply technical scheme of the present invention; achieve and the frequency of compressor detected in real time and shows; do not need ad hoc checkout equipment to measure the frequency of compressor; avoid exception or compressor fault in compressor operating process; thus avoid causing machine system to work; be convenient to after-sales service and trouble-shoots, and the embodiment of the present invention can also control according to the running frequency of compressor frequency size to compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of compressor assembly of the present invention;
Description of reference numerals: 1, electric quantity detection apparatus; 21, interior machine micro-control unit; 22, display unit; 23, outer machine micro-control unit; 3, compressor; 4, compressor assembly.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
As shown in Figure 1, embodiments provide a kind of compressor assembly 4, comprise electric quantity detection apparatus 1, control device and compressor 3.Electric quantity detection apparatus 1 is connected with the power line of compressor assembly 4, and electric quantity detection apparatus 1 is for detecting the frequency of compressor assembly 4 and generated frequency signal; Control device is connected with electric quantity detection apparatus 1 and compressor 3, control device can display frequency signal value and control the frequency of compressor 3 according to frequency signal.
The embodiment of the present invention achieves and to detect in real time the frequency of compressor 3 and show; do not need ad hoc checkout equipment to measure the frequency of compressor 3; avoid exception or compressor 3 fault in compressor 3 running; thus avoid causing machine system to work; be convenient to after-sales service and trouble-shoots, and the embodiment of the present invention can also control according to the running frequency of compressor frequency size to compressor 3.
Particularly, electric quantity detection apparatus 1 comprises current transformer, voltage transformer and mixed-signal processor, current transformer is all connected with power line with voltage transformer, mixed-signal processor is all connected with current transformer and voltage transformer, the current value that mixed-signal processor can detect according to current transformer and the magnitude of voltage that voltage transformer detects calculate the power consumption of compressor assembly 4, and mixed-signal processor can also calculate the frequency of compressor 3 and generated frequency signal according to power consumption.
In compressor assembly 4, because compressor assembly 4 basic load is compressor 3, other loads are all constant or very little relative to compressor 3 power, and compressor 3 power is larger, and complete machine operate power is larger, power consumption is larger.And compressor 3 running frequency is higher, power is larger.On the contrary, compressor 3 power is less, and complete machine operate power is less, power consumption is less.And compressor 3 running frequency is lower, power is less.
Above-mentioned electric quantity detection apparatus 1 detects current value by current transformer, magnitude of voltage is detected by voltage transformer, the data value of above-mentioned current transformer and voltage transformer is sent in MSP430AFE type mixed-signal processor with digital signal pattern and calculates, thus calculate the value obtaining power consumption, and then obtain the value of compressor 3 frequency.
Further, control device comprises interior machine micro-control unit 21, display unit 22 and outer machine micro-control unit 23.Interior machine micro-control unit 21 is connected with electric quantity detection apparatus 1, and interior machine micro-control unit 21 can receiving frequency signals generate control signal.Display unit 22 is connected with interior machine micro-control unit 21 and for showing the frequency signal that interior machine micro-control unit 21 receives.Outer machine micro-control unit 23 is connected with interior machine micro-control unit 21 and compressor 3, and outer machine micro-control unit 23 reception control signal also controls the frequency of compressor 3 according to control signal.
It should be noted that, above-mentioned display unit 22 is for control display board in real time, and this display board has display screen.If for the ease of controlling, above-mentioned display unit 22 can also be arranged corresponding control signal TIP, having arrived the input of control signal instruction.
The embodiment of the present invention additionally provides a kind of compressor frequency and detects and frequency modulation method, and for detecting and frequency modulation the compressor operating frequency of above-mentioned compressor system 4, above-mentioned compressor frequency detecting and frequency modulation method comprise the following steps:
Step 1, detected the power consumption of compressor assembly 4 by electric quantity detection apparatus 1.
Step 2, electric quantity detection apparatus 1 calculate the frequency of compressor 3 according to power consumption, and generated frequency signal is sent to control device.
The value of step 3, control device display frequency signal the frequency of size adjustment compressor 3 according to frequency signal.
Particularly, in step 1, electric quantity detection apparatus 1 detects current value and the magnitude of voltage of compressor assembly 4, and calculates power consumption according to current value and magnitude of voltage.
In step 2, when power consumption increases, the value of this frequency signal increases.When power consumption reduces, the value of this frequency signal reduces.
Preferably, step 3 comprises: interior machine micro-control unit 21 receives the frequency signal of electric quantity detection apparatus 1 transmission and generates control signal, and display unit 22 can show the value of this frequency signal that interior machine micro-control unit 21 receives.
Further, step 3 also comprises: outer machine micro-control unit 23 receives this control signal that this interior machine micro-control unit 21 sends, and outer machine micro-control unit 23 controls the frequency of compressor 3 according to this control signal.
Particularly, the control device in the embodiment of the present invention has initial setting frequency values, and above-mentioned steps 3 comprises, the value of comparison frequency signal and the size of initial setting frequency values, and adjusts the frequency of compressor 3 according to comparative result.
Wherein, when the value of frequency signal is greater than initial setting frequency values, outer machine micro-control unit 23 reduces the frequency of compressor 3.
When the value of frequency signal is less than initial setting frequency values, outer machine micro-control unit 23 increases the frequency of compressor 3.
When the value of frequency signal equals initial setting frequency values, the frequency that outer machine micro-control unit 23 maintains compressor 3 is constant.
Initial frequency value in the embodiment of the present invention determines according to different types and working environment, staff is fixedly installed when can be had manually to set or dispatch from the factory, the size of above-mentioned initial frequency value can be the same or different, and also can need to adjust according to difference for fixed value.Therefore, the embodiment of above scheme all should in the protection domain of the application.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a compressor assembly, is characterized in that, described compressor assembly comprises electric quantity detection apparatus (1), control device and compressor (3),
Described electric quantity detection apparatus (1) is connected with the power line of described compressor assembly, and described electric quantity detection apparatus (1) is for detecting the frequency of described compressor assembly and generated frequency signal;
Described control device is connected with described electric quantity detection apparatus (1) and described compressor (3), and described control device can show the value of described frequency signal and control the frequency of described compressor (3) according to described frequency signal.
2. compressor assembly according to claim 1, it is characterized in that, described electric quantity detection apparatus (1) comprises current transformer, voltage transformer and mixed-signal processor, described current transformer is all connected with described power line with described voltage transformer, described mixed-signal processor is all connected with described current transformer and described voltage transformer, the current value that described mixed-signal processor can detect according to described current transformer and the magnitude of voltage that described voltage transformer detects calculate the power consumption of described compressor assembly, described mixed-signal processor can also calculate the frequency of described compressor (3) according to described power consumption and generate described frequency signal.
3. compressor assembly according to claim 1, is characterized in that, described control device comprises:
Interior machine micro-control unit (21), is connected with described electric quantity detection apparatus (1), and described interior machine micro-control unit (21) can receive described frequency signal and generate control signal;
Display unit (22), is connected the described frequency signal that also can show described interior machine micro-control unit (21) and receive with described interior machine micro-control unit (21);
Outer machine micro-control unit (23), be connected with described interior machine micro-control unit (21) and described compressor (3), described outer machine micro-control unit (23) receives described control signal and controls the frequency of described compressor (3) according to described control signal.
4. compressor frequency detects and a frequency modulation method, for carrying out frequency detecting and frequency modulation to compressor assembly according to claim 1, it is characterized in that, described compressor frequency detects and frequency modulation method comprises the following steps:
Step 1, detected the power consumption of described compressor assembly by described electric quantity detection apparatus (1);
Step 2, described electric quantity detection apparatus (1) calculate the frequency of described compressor (3) according to described power consumption, and generated frequency signal is sent to described control device;
Step 3, described control device can show the value of described frequency signal and described control device can adjust the frequency of described compressor (3) according to described frequency signal.
5. compressor frequency according to claim 4 detects and frequency modulation method, it is characterized in that, in described step 1, described electric quantity detection apparatus (1) detects current value and the magnitude of voltage of described compressor assembly, and calculates described power consumption according to described current value and described magnitude of voltage.
6. compressor frequency according to claim 4 detects and frequency modulation method, it is characterized in that, in described step 2, when described power consumption increases, the value of described frequency signal increases, and when described power consumption reduces, the value of described frequency signal reduces.
7. compressor frequency according to claim 4 detects and frequency modulation method, it is characterized in that, described Control Component comprises interior machine micro-control unit (21) and display unit (22), described interior machine micro-control unit (21) is connected with described electric quantity detection apparatus (1), described display unit (22) is connected with described interior machine micro-control unit (21), described step 3 comprises: described interior machine micro-control unit (21) receives frequency signal that described electric quantity detection apparatus (1) sends and generates control signal, described display unit (22) can show the value of the described frequency signal that described interior machine micro-control unit (21) receives.
8. compressor frequency according to claim 7 detects and frequency modulation method, it is characterized in that, described Control Component also comprises outer machine micro-control unit (23), described outer machine micro-control unit (23) is connected with described interior machine micro-control unit (21) and described compressor (3), and described step 3 comprises: described outer machine micro-control unit (23) receives described control signal and controls the frequency of described compressor (3) according to described control signal.
9. compressor frequency according to claim 4 detects and frequency modulation method, it is characterized in that, described control device has initial setting frequency values, described step 3 comprises, the value of more described frequency signal and the size of described initial setting frequency values, and the frequency of described compressor (3) is adjusted according to comparative result.
10. compressor frequency according to claim 9 detects and frequency modulation method, it is characterized in that, in described step 3:
When the value of described frequency signal is greater than described initial setting frequency values, described control device reduces the frequency of described compressor (3);
When the value of described frequency signal is less than described initial setting frequency values, described control device increases the frequency of described compressor (3);
When the value of described frequency signal equals described initial setting frequency values, the frequency that described control device maintains described compressor (3) is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032615.1A CN105571228A (en) | 2016-01-18 | 2016-01-18 | Compressor system and compressor frequency detecting and modulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032615.1A CN105571228A (en) | 2016-01-18 | 2016-01-18 | Compressor system and compressor frequency detecting and modulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105571228A true CN105571228A (en) | 2016-05-11 |
Family
ID=55881645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610032615.1A Pending CN105571228A (en) | 2016-01-18 | 2016-01-18 | Compressor system and compressor frequency detecting and modulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105571228A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289698A (en) * | 2017-07-26 | 2017-10-24 | 中车青岛四方车辆研究所有限公司 | Compressor frequency control system and control method, train convertible frequency air-conditioner |
| CN111929497A (en) * | 2020-07-28 | 2020-11-13 | 珠海格力电器股份有限公司 | Electric quantity detection device and multi-split air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424506A (en) * | 2001-12-10 | 2003-06-18 | 松下电器产业株式会社 | Driving devices of linear compressors |
| CN1746500A (en) * | 2004-09-11 | 2006-03-15 | Lg电子株式会社 | Apparatus and method for controlling operation of compressor |
| CN201438012U (en) * | 2009-06-01 | 2010-04-14 | 海尔集团公司 | Air conditioner |
| CN101886840A (en) * | 2010-02-25 | 2010-11-17 | 海尔集团公司 | Air conditioner compressor frequency control method and air conditioner |
| EP2410262A1 (en) * | 2009-03-19 | 2012-01-25 | Daikin Industries, Ltd. | Air conditioner |
| CN103206745A (en) * | 2012-01-17 | 2013-07-17 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN104990222A (en) * | 2015-07-15 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioner control method and device |
-
2016
- 2016-01-18 CN CN201610032615.1A patent/CN105571228A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424506A (en) * | 2001-12-10 | 2003-06-18 | 松下电器产业株式会社 | Driving devices of linear compressors |
| CN1746500A (en) * | 2004-09-11 | 2006-03-15 | Lg电子株式会社 | Apparatus and method for controlling operation of compressor |
| EP2410262A1 (en) * | 2009-03-19 | 2012-01-25 | Daikin Industries, Ltd. | Air conditioner |
| CN201438012U (en) * | 2009-06-01 | 2010-04-14 | 海尔集团公司 | Air conditioner |
| CN101886840A (en) * | 2010-02-25 | 2010-11-17 | 海尔集团公司 | Air conditioner compressor frequency control method and air conditioner |
| CN103206745A (en) * | 2012-01-17 | 2013-07-17 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN104990222A (en) * | 2015-07-15 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioner control method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289698A (en) * | 2017-07-26 | 2017-10-24 | 中车青岛四方车辆研究所有限公司 | Compressor frequency control system and control method, train convertible frequency air-conditioner |
| CN111929497A (en) * | 2020-07-28 | 2020-11-13 | 珠海格力电器股份有限公司 | Electric quantity detection device and multi-split air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140236371A1 (en) | Power measuring apparatus, power measuring system, and power measuring method | |
| US9158323B2 (en) | Power control circuit and power supply system employing the same | |
| US20170010661A1 (en) | Operation control device for electronic apparatus | |
| US9997048B2 (en) | Power failure monitoring device of digital protection relay | |
| AU2017219020A1 (en) | Electric device, air conditioner, external controller, portable terminal, and air conditioning system | |
| US6812920B1 (en) | Display device | |
| CN110683076B (en) | Test board and test method of airborne radio frequency navigation system | |
| CN105571228A (en) | Compressor system and compressor frequency detecting and modulating method | |
| US20200081043A1 (en) | Monitoring device, monitoring system, monitoring method, correction information generation device, correction information generation method, and non-transitory storage medium | |
| CN108693904A (en) | Power supply control circuit and method thereof | |
| CN101742154A (en) | Image processing apparatus and method of controlling thereof | |
| CN109842384A (en) | Protective device for power amplifier | |
| CN109596928B (en) | Static parameter testing device for automobile generator regulator | |
| JP2017017776A (en) | Power management device, power management system, power management method and program | |
| CN103957625A (en) | Method for adjusting brightness of indicator lamp | |
| WO2005067381A2 (en) | Digitally controlled power supply | |
| JP6830115B2 (en) | Power failure sensing system with phantom voltage detector including coupled inductor device | |
| US11870235B2 (en) | Self-power relay and method for preventing malfunction thereof | |
| EP3087656A1 (en) | Dynamic dc link voltage control | |
| WO2019087501A1 (en) | Transmission/reception circuit, communication device, and method for controlling transmission/reception circuit | |
| KR20110042491A (en) | Portable direct current ground detecting apparatus and detecting method using the same | |
| CN104317287A (en) | Simulation method and system of motor signal | |
| CN107945755B (en) | Pulse width modulation integrated circuit and display device | |
| KR101848751B1 (en) | Intelligent pilot lamp having function of displaying a noise condition | |
| JP2017142115A (en) | Wireless transmission device, control ic thereof, abnormality detection method, and charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |
|
| RJ01 | Rejection of invention patent application after publication |