CN109237752A - The air monitering control circuit and air cleaning unit of electromagnetism interference - Google Patents
The air monitering control circuit and air cleaning unit of electromagnetism interference Download PDFInfo
- Publication number
- CN109237752A CN109237752A CN201811076153.9A CN201811076153A CN109237752A CN 109237752 A CN109237752 A CN 109237752A CN 201811076153 A CN201811076153 A CN 201811076153A CN 109237752 A CN109237752 A CN 109237752A
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- Prior art keywords
- circuit
- power
- control
- relay
- air
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- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air monitering control circuits of electromagnetism interference, including sequentially connected air quality sensor, control relay circuit, MCU and power control circuit, wherein, control relay circuit includes multiple power relay circuits and multiple signal relay circuits, air quality sensor is provided with multiple, the corresponding power relay circuit of each air quality sensor and a signal relay circuit；MCU powers on movement by what corresponding power relay circuit controlled multiple air quality sensors；Air quality monitoring data are sent in MCU by corresponding signal relay circuit by air quality sensor respectively.The air monitering control circuit of electromagnetism interference proposed by the present invention can reduce influence of the electromagnetic interference to air quality monitoring data, to improve the air quality monitoring precision of air cleaning unit.
Description
Technical field
The present invention relates to the air monitering control circuit of technical field of air purification more particularly to a kind of electromagnetism interference and
Air cleaning unit.
Background technique
Electromagnetic interference is easy to cause the variation of signal level, influences the Stability and veracity of data-link transmission.Existing sky
Makings amount monitoring technology does not account for the influence that electromagnetic interference transmits air quality monitoring data, in the environment of electromagnetic interference
Under, air quality monitoring number poor reliability is easy to cause the erroneous judgement of atmosphere quality monitoring device.
Summary of the invention
The main purpose of the present invention is to provide a kind of air monitering control circuits of electromagnetism interference and air cleaning to fill
It sets, it is intended to influence of the electromagnetic interference to air quality monitoring data is reduced, to improve the air quality monitoring of air cleaning unit
Precision.
To achieve the above object, the present invention provides a kind of air monitering control circuit of electromagnetism interference, including successively connects
Air quality sensor, control relay circuit, MCU and the power control circuit connect, wherein
The control relay circuit includes multiple power relay circuits and multiple signal relay circuits, air quality sensing
Device is provided with multiple, the corresponding power relay circuit of each air quality sensor and a signal relay circuit；
The MCU powers on movement by what corresponding power relay circuit controlled multiple air quality sensors；The air
Air quality monitoring data are sent in MCU by corresponding signal relay circuit by mass sensor respectively.
Preferably, the air monitering control circuit of the electromagnetism interference further includes being located at air quality sensor and relay
A/D conversion circuit between device control circuit, the data output end of each air quality sensor passes through A/D conversion circuit will
Air quality monitoring data are sent to the input terminal of signal relay circuit.
Preferably, the air monitering control circuit of the electromagnetism interference further includes being located at control relay circuit and MCU
Between be used for electrostatic and surge protection protection circuit, the output end of each signal relay circuit pass through respectively protection circuit will
Air quality monitoring data are sent in MCU.
Preferably, the protection circuit includes electrostatic discharge protective circuit and surge protection circuit interconnected, the electrostatic
Protect circuit that there are multiple input terminals, surge protection circuit includes multiple output ends；Each input terminal of electrostatic discharge protective circuit point
The output end of a signal relay circuit is not connected, and multiple output ends of surge protection circuit are connect with MCU.
Preferably, the power relay circuit and signal relay circuit are provided with control terminal, input terminal and output
End, wherein
The control terminal of the power relay circuit and signal relay circuit is connect with MCU, power relay circuit it is defeated
The power output end for entering end and power control circuit connects, and the output end and air quality sensor of power relay circuit connect
It connects, the output end of signal relay circuit is connect with the input terminal of protection circuit, and the input terminal and A/D of signal relay circuit turn
Change circuit connection.
Preferably, the power relay circuit includes triode, diode and relay, and the base stage of triode is as electricity
The control terminal of source relay circuit, coil one end of collector connection relay, emitter ground connection, the coil other end of relay
Power supply is connected, the cathode of diode connects the collector of power supply, anode connecting triode, and contact one end of relay is as power supply
Output end of the input terminal, the other end of relay circuit as power relay circuit.
Preferably, the signal relay circuit is identical as power relay circuit structure.
Preferably, the MCU has multiple power control pins, and power control circuit has multiple power output ends and electricity
Source control signal input, wherein
The power control pin of the MCU and the power control signal input terminal of power control circuit connect, power control circuit
Multiple power output ends connect respectively with the power input of multiple electricity consumption modules, MCU passes through multiple power control pins point
Not Kong Zhi power control circuit multiple power output ends voltage output.
Preferably, there is the MCU multiple first level control pin and multiple second electrical levels to control pin, wherein
Multiple first level control pin of MCU is connect with the control terminal of multiple signal relay circuits respectively, and multiple the of MCU
Two level control pin is connect with the control terminal of multiple power relay circuits respectively.
Present invention further propose that a kind of air cleaning unit, the air monitering control including electromagnetism interference as described above
Circuit processed.
The air monitering control circuit of electromagnetism interference proposed by the present invention, has the advantages that
1) isolation of power supply, control signal and air quality monitoring data is realized by control relay circuit, weakening or
The interference between extraneous and internal system is eliminated, the Stability and veracity of data transmission in the environment of electromagnetic interference is improved；
2) air cleaning unit using the above-mentioned air monitering control circuit with electromagnetism interference, improve system work
Stability, it is ensured that the work of air cleaning unit normal table in the environment of electromagnetic interference.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of the air monitering control circuit of electromagnetism interference of the present invention；
Fig. 2 is the electrical block diagram of power relay circuit in the air monitering control circuit of electromagnetism interference of the present invention；
Fig. 3 is the electrical block diagram of power control circuit in the air monitering control circuit of electromagnetism interference of the present invention.
In figure, 1- power control circuit, 2-MCU, 3- control relay circuit, 31- power relay circuit, 32- signal
Relay circuit, 4- protect circuit, 41- electrostatic discharge protective circuit, 42- surge protection circuit, 5-A/D conversion circuit, the first sky of 6-
Makings quantity sensor, the second air quality sensor of 7-, 8- electricity consumption module.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to figs. 1 to Fig. 3, in this preferred embodiment, a kind of air monitering control circuit of electromagnetism interference, including successively
Air quality sensor, control relay circuit 3, MCU2 and the power control circuit 1 of connection, wherein
Control relay circuit 3 includes multiple power relay circuits 31 and multiple signal relay circuits 32, and air quality passes
Sensor is provided with multiple, the corresponding power relay circuit 31 of each air quality sensor and a signal relay circuit 32；
MCU2 powers on movement by what corresponding power relay circuit 31 controlled multiple air quality sensors；Air quality passes
Air quality monitoring data are sent in MCU2 by corresponding signal relay circuit 32 by sensor respectively.
To be arranged there are two being specifically described for air quality sensor in the present embodiment attached drawing, corresponding power supply after
There are two appliance circuit 31 and signal relay circuit 32 are also provided with.
Further, the air monitering control circuit of this electromagnetism interference further includes being located at air quality sensor and relay
A/D conversion circuit 5 between device control circuit 3, the data output end of each air quality sensor pass through A/D conversion circuit
5 send air quality monitoring data to the input terminal of signal relay circuit 32.A/D conversion circuit 5 converts analog signals into
Digital signal.
In the present embodiment, power relay circuit 31 and signal relay circuit 32 be provided with control terminal, input terminal and
Output end, wherein
The control terminal of power relay circuit 31 and signal relay circuit 32 is connect with MCU2, power relay circuit 31
Input terminal is connect with the power output end of power control circuit 1, and the output end and air quality of power relay circuit 31 sense
The output end of device connection, signal relay circuit 32 is connect with the input terminal of protection circuit 4, the input of signal relay circuit 32
End is connect with A/D conversion circuit 5.In the present embodiment, MCU2 has multiple first level control pin and multiple second electrical level controls
Pin processed, wherein
Multiple first level control pin of MCU2 is connect with the control terminal of multiple signal relay circuits 32 respectively, and MCU2's is more
A second electrical level control pin is connect with the control terminal of multiple power relay circuits 31 respectively.
It is illustrated by taking two power relay circuits 31 and signal relay circuit 32 as an example below, two power supply relays
The input terminal of device circuit 31 is electrically connected two power output ends of power control circuit 1, and output end is electrically connected first
The power input of air quality sensor 6 and the second air quality sensor 7；The input terminal of two signal relay circuits 32
(the first air quality sensor 6 and the detection of the second air quality sensor 7 are electrically connected with the output end of A/D conversion circuit 5 respectively
To concentration of formaldehyde data the input terminals of two signal relay circuits 32 is respectively fed to after A/D conversion circuit 5), output end
It is respectively connected to the input terminal of protection circuit 4.MCU2 by control level control pin level come control respectively two power supplys after
The disconnection and closure of appliance circuit 31 and the relay in two signal relay circuits 32.
Referring to Fig. 2, power relay circuit 31 includes triode, diode and relay, and the base stage of triode is as electricity
The control terminal of source relay circuit 31, coil one end of collector connection relay, emitter ground connection, the coil of relay are another
End connection power supply, the cathode of diode connect the collector of power supply, anode connecting triode, and contact one end of relay is as electricity
Output end of the input terminal, the other end of source relay circuit 31 as power relay circuit 31.Signal relay circuit 32 with
31 structure of power relay circuit is identical.Signal relay circuit 32 also includes triode, diode and relay, and connection is closed
It is identical as power relay circuit 31.MCU2 controls the level of pin by control level to control multiple power supply relays respectively
The disconnection and closure of device circuit 31 and the relay in multiple signal relay circuits 32.In the present embodiment, power supply relay electricity
The workflow of road 31 and signal relay circuit 32 is: MCU2 gives a PWR_1 signal, when PWR_1 signal is low level
When, triode Q1 is not turned on, and 1 foot and 8 feet of relay U1 does not have a voltage difference, relay contact do not inhale and, signal and outer at this time
Portion's equipment disconnects；When PWR_1 signal is high level, triode Q1 conducting, 1 foot and 8 feet of relay U1 have the voltage of 3.3V
Difference, relay contact are inhaled and are connected at this time.
Further, the air monitering control circuit of this electromagnetism interference further includes being located at 3 He of control relay circuit
The protection circuit 4 of electrostatic and surge protection is used between MCU2, the output end of each signal relay circuit 32 to pass through protection
Air quality monitoring data are sent in MCU2 by circuit 4.Specifically, protection circuit 4 includes electrostatic protection electricity interconnected
Road 41 and surge protection circuit 42, electrostatic discharge protective circuit 41 have multiple input terminals, and surge protection circuit 42 includes multiple outputs
End；Each input terminal of electrostatic discharge protective circuit 41 is separately connected the output end of a signal relay circuit 32, surge protection circuit
42 multiple output ends are connect with MCU2.It is outer by protecting circuit 4 to can effectively prevent electrostatic, lightning stroke, anti-filling, surge etc.
The influence of boundary's interference PARA FORMALDEHYDE PRILLS(91,95) concentration return data.
In addition, MCU2 has multiple power control pins, power control circuit 1 has multiple power output ends and power supply control
Signal input part processed, wherein
The power control pin of MCU2 is connect with the power control signal input terminal of power control circuit 1, power control circuit 1
Multiple power output ends are connect with the power input of multiple electricity consumption modules 8 respectively, and MCU2 passes through multiple power control pins point
Not Kong Zhi power control circuit 1 multiple power output ends voltage output.Electricity consumption module 8 includes exhaust fan, irradiation light etc..
MCU2 controls the voltage output of multiple power output ends of power control circuit 1 by multiple power control pins respectively, thus
For exhaust fan, irradiation light etc., other electricity consumption modules 8 provide the power supply of different voltages value.In the present embodiment, pass through MCU2 and exhausting
Other electricity consumption modules 8 such as machine, irradiation light are separately connected different power supplys, and cooperation control relay circuit 3 realizes power supply, control letter
Number, the isolation of concentration of formaldehyde return data to weaken or eliminate the interference between extraneous and internal system improve data transmission
The stability of accuracy and system work, makes the efficiency of transmission of data faster.
First air quality sensor 6 and the data of the second air quality sensor 7 acquisition are divided after A/D conversion circuit 5
Not Tong Guo 1 signal relay circuit 32 be linked into electrostatic discharge protective circuit 41 and surge protection circuit 42, be then re-fed into
In MCU2.Protecting circuit 4 includes electrostatic discharge protective circuit 41 and surge protection circuit 42；The input terminal of electrostatic discharge protective circuit 41 is electrically connected
Connect the output end of signal relay circuit 32, the input terminal of the output end connection surge protection circuit 42 of electrostatic discharge protective circuit 41.
By protecting circuit 4 to can effectively prevent the external interferences PARA FORMALDEHYDE PRILLS(91,95) concentration return data such as electrostatic, lightning stroke, anti-filling, surge
It influences.
Referring to Fig. 3, in the present embodiment, power control circuit 1 includes that multiple power supplies control sub-circuit, every road power supply control
Circuit includes a power switch chip U2, first resistor R1 and second resistance R2, wherein the first letter of power switch chip U2
Number input pin D0 ground connection, ILIM pin are grounded through second resistance R2, and the effect of ILIM pin is limitation chip current size,
Power control pin of the second signal input pin D1 through first resistor R1 connection MCU2, two power supplys of power switch chip U2
Input pin IN1 and IN2 are separately connected two power vd D1 and VDD2 of different sizes, the output pin of power switch chip U2
OUT is the power output end that the road power supply controls sub-circuit.
The working principle of the air monitering control circuit of this electromagnetism interference is as follows.
First air quality sensor 6 and the data of the second air quality sensor 7 acquisition are divided after A/D conversion circuit 5
Not Tong Guo a signal relay circuit 32 be linked into electrostatic discharge protective circuit 41 and surge protection circuit 42, finally retransmit to
MCU2.The concentration of formaldehyde data that MCU2 detects the first air quality sensor 6 and the second air quality sensor 7 are counted
It calculates and alarms.
The air monitering control circuit of electromagnetism interference proposed by the present invention, has the advantages that
1) isolation that power supply, control signal and air quality monitoring data are realized by control relay circuit 3, to weaken
Or the interference between the elimination external world and internal system, improve the Stability and veracity of data transmission in the environment of electromagnetic interference；
2) air cleaning unit using the above-mentioned air monitering control circuit with electromagnetism interference, improve system work
Stability, it is ensured that the work of air cleaning unit normal table in the environment of electromagnetic interference.
Present invention further propose that a kind of air cleaning unit.
In this preferred embodiment, a kind of air cleaning unit, the air monitering control circuit including electromagnetism interference, this is anti-
The specific structure of the air monitering control circuit of electromagnetic interference is referring to above-described embodiment, and details are not described herein.
Air cleaning unit proposed by the present invention, because of the air monitering control circuit with electromagnetism interference, to improve
The stability of system work, it is ensured that the work of air cleaning unit normal table in the environment of electromagnetic interference.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of air monitering control circuit of electromagnetism interference, which is characterized in that sensed including sequentially connected air quality
Device, control relay circuit, MCU and power control circuit, wherein
The control relay circuit includes multiple power relay circuits and multiple signal relay circuits, air quality sensing
Device is provided with multiple, the corresponding power relay circuit of each air quality sensor and a signal relay circuit；
The MCU powers on movement by what corresponding power relay circuit controlled multiple air quality sensors；The air
Air quality monitoring data are sent in MCU by corresponding signal relay circuit by mass sensor respectively.
2. the air monitering control circuit of electromagnetism interference as described in claim 1, which is characterized in that further include being located at air
A/D conversion circuit between mass sensor and control relay circuit, the data output end of each air quality sensor are equal
Air quality monitoring data are sent to the input terminal of signal relay circuit by A/D conversion circuit.
3. the air monitering control circuit of electromagnetism interference as described in claim 1, which is characterized in that further include being located at relay
The protection circuit of electrostatic and surge protection, the output end point of each signal relay circuit are used between device control circuit and MCU
Air quality monitoring data are not sent in MCU by protection circuit.
4. the air monitering control circuit of electromagnetism interference as claimed in claim 3, which is characterized in that the protection circuit packet
Electrostatic discharge protective circuit and surge protection circuit interconnected are included, the electrostatic discharge protective circuit has multiple input terminals, and surge is protected
Protection circuit includes multiple output ends；Each input terminal of electrostatic discharge protective circuit is separately connected the output of a signal relay circuit
End, multiple output ends of surge protection circuit are connect with MCU.
5. the air monitering control circuit of electromagnetism interference as claimed in claim 3, which is characterized in that the power supply relay
Circuit and signal relay circuit are provided with control terminal, input terminal and output end, wherein
The control terminal of the power relay circuit and signal relay circuit is connect with MCU, power relay circuit it is defeated
The power output end for entering end and power control circuit connects, and the output end and air quality sensor of power relay circuit connect
It connects, the output end of signal relay circuit is connect with the input terminal of protection circuit, and the input terminal and A/D of signal relay circuit turn
Change circuit connection.
6. the air monitering control circuit of electromagnetism interference as described in claim 1, which is characterized in that the power supply relay
Circuit includes triode, diode and relay, and the base stage of triode connects as the control terminal of power relay circuit, collector
Coil one end of contact relay, emitter ground connection, the coil other end of relay connect power supply, and the cathode of diode connects electricity
Source, anode connecting triode collector, contact one end of relay is made as input terminal, the other end of power relay circuit
For the output end of power relay circuit.
7. the air monitering control circuit of electromagnetism interference as claimed in claim 6, which is characterized in that the signal relay
Circuit is identical as power relay circuit structure.
8. the air monitering control circuit of electromagnetism interference as described in claim 1, which is characterized in that the MCU has more
A power control pin, power control circuit have multiple power output ends and power control signal input terminal, wherein
The power control pin of the MCU and the power control signal input terminal of power control circuit connect, power control circuit
Multiple power output ends connect respectively with the power input of multiple electricity consumption modules, MCU passes through multiple power control pins point
Not Kong Zhi power control circuit multiple power output ends voltage output.
9. the air monitering control circuit of electromagnetism interference as described in claim 1, which is characterized in that the MCU has more
A first level control pin and multiple second electrical levels control pin, wherein
Multiple first level control pin of MCU is connect with the control terminal of multiple signal relay circuits respectively, and multiple the of MCU
Two level control pin is connect with the control terminal of multiple power relay circuits respectively.
10. a kind of air cleaning unit, which is characterized in that dry including anti-electromagnetism as in one of claimed in any of claims 1 to 9
The air monitering control circuit disturbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076153.9A CN109237752A (en) | 2018-09-14 | 2018-09-14 | The air monitering control circuit and air cleaning unit of electromagnetism interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076153.9A CN109237752A (en) | 2018-09-14 | 2018-09-14 | The air monitering control circuit and air cleaning unit of electromagnetism interference |
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| CN109237752A true CN109237752A (en) | 2019-01-18 |
Family
ID=65058388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811076153.9A Pending CN109237752A (en) | 2018-09-14 | 2018-09-14 | The air monitering control circuit and air cleaning unit of electromagnetism interference |
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| CN (1) | CN109237752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968421A (en) * | 2021-05-18 | 2021-06-15 | 杭州罗莱迪思科技股份有限公司 | Strong and weak electricity integrated control equipment |
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| CN105353604A (en) * | 2015-12-01 | 2016-02-24 | 清华大学 | System and method for double-machine hot/cold backup autonomous switching control and information processing |
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