CN109682042A - A kind of electrical cabinet air-conditioner controller with industrial bus - Google Patents
A kind of electrical cabinet air-conditioner controller with industrial bus Download PDFInfo
- Publication number
- CN109682042A CN109682042A CN201811610151.3A CN201811610151A CN109682042A CN 109682042 A CN109682042 A CN 109682042A CN 201811610151 A CN201811610151 A CN 201811610151A CN 109682042 A CN109682042 A CN 109682042A
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- Prior art keywords
- controller
- communication
- air
- electrical cabinet
- communications portal
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Classifications
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- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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 present invention discloses a kind of electrical cabinet air-conditioner controller with industrial bus, including the first controller and second controller, first of first communications portal of the first controller and second are connect with two cores for providing DC voltage of the one or four core communication cable, the address detection circuit for the first PCB circuit board connecting with the first communications portal is able to detect that voltage signal, first of first communications portal and second are not connected to the first communication outlet, making the second communications portal of second controller does not have DC voltage, second controller address detection circuit can't detect the DC voltage at the second communications portal；The signal that the address detection circuit of first PCB circuit board and the address detection circuit of the second PCB circuit board detect is transmitted to corresponding PCB circuit board, the automatic setting to controller communication address is realized, convenient for the monitoring management to electrical cabinet air-conditioner controller.
Description
Technical field
The present invention relates to technical field of the electromechanical equipment, more particularly to a kind of electrical cabinet airconditioning control with industrial bus
Device
Background technique
Electrical cabinet is in security standpoint consideration and requires redundant configuration air-conditioning, starts two air-conditionings when in-cabinet temperature is excessively high,
Ensure the temperature condition of equipment operation in cabinet.It is logical that the controller that electrical cabinet air-conditioning applied currently on the market uses does not have network
Communication function, can not real-time monitoring air-conditioning operation conditions, be not easy to air-conditioning be managed collectively.Air-conditioner controller address uses
If software set mode, on the one hand it is not easy to uniformly produce in batches, is easy to obscure in another aspect field-mounted process, phase
Air-conditioning with address is installed on an electrical cabinet；Using hardware setting mode usually can because of forget dial or accidentally dial air-conditioning control
Device address processed toggle switch is debugged to project increases difficulty, is delayed project construction progress.
Summary of the invention
The object of the present invention is to provide a kind of electrical cabinet air-conditioner controller with industrial bus, electrical cabinet air-conditioner controller
Address set automatically, achieve the effect that convenient for management.
To achieve the above object, the present invention provides following schemes:
A kind of electrical cabinet air-conditioner controller with industrial bus, the electrical cabinet air-conditioner controller include two controllers
With two four core communication cables, the controller is used for monitoring management air-conditioning, the four cores communication cable for data communication and
The setting of address；
The controller includes shell, and PCB circuit board, for the connection of route, the shell is arranged in the enclosure interior
Outside setting provides the communications portal of industrial communication bus interface and provides the communication outlet of trunk interface；
First communications portal of the first controller is connect outside first shell with the one or four core communication cable, and described first
Four core communication cables include two core, first with first communications portal respectively for providing two cores of DC voltage
It is connected with second；First of first communications portal and second and the address detection circuit of the first PCB circuit board connect
It connects, the address detection circuit of first PCB circuit board is used to detect the voltage of first communications portal；First communication
The third position of entrance and the 4th connects with the third position of the first communication outlet and the 4th respectively, for first controller
Data communication；
First controller is connect with second controller by the two or four core communication cable, and first controller is used for
With the unified management of the second controller；
It is described first communication outlet first and second respectively with the second communications portal of the second controller
First connects with second, the address detected of first of second communications portal and second and the second PCB circuit board
Circuit connection, for detecting the voltage of second communications portal；The third position of first communication outlet and the 4th difference
It is connect with the third position of second communications portal and the 4th；The third position of second communications portal and the 4th respectively with
The third position of second communication outlet and the 4th connection, the data communication for the second controller；
The signal that the address detection circuit of first PCB circuit board will test is transmitted to first PCB circuit board,
For setting the address of first controller；The signal that the address detection circuit of second PCB circuit board detects
It is transmitted to second PCB circuit board, for setting the address of the second controller.
Optionally, the third position of first communications portal and the 4th third position exported respectively with first communication
Connected in first PCB circuit board with the 4th, the third position of second communications portal and the 4th respectively with it is described
Second communication outlet third position and the 4th connected in second PCB circuit board.
Optionally, the hull outside also sets up monobus Temperature Humidity Sensor, and the monobus Temperature Humidity Sensor is used
In the temperature for detecting the electrical cabinet installation environment.
Optionally, the hull outside also sets up combined aural and visual alarm, and the combined aural and visual alarm is for receiving the controller
Warning message.
Optionally, the PCB circuit board includes power supply unit, MCU processing unit and binding post unit；The power supply is single
For powering to the MCU processing unit and the binding post unit, the MCU processing unit and binding post unit connect member
It connects.
Optionally, the MCU processing unit includes that MCU processor, the first monobus Temperature Humidity Sensor, industrial bus are logical
Subelement is arranged in news processing subelement, sound-light alarm subelement and address automatically；The first monobus temperature and humidity sensing
Device is used to detect the environment temperature of two controllers, is transmitted to the MCU processor, industrial bus Communication processing
Unit is connect with the MCU processor, and for the transmission of communication data, the sound-light alarm subelement receives the MCU processing
The signal of device, for driving the combined aural and visual alarm, the address subelement is arranged automatically, address is transmitted to institute
MCU processor is stated, the unified management for the controller.
Optionally, the binding post unit includes connecting terminal, relay driving, start-up capacitance unit, and second is single total
Line Temperature Humidity Sensor, NTC temperature sampler and switch detection unit；The relay driving is connect with the connecting terminal,
For controlling the start and stop of air-conditioning, the signal that the start-up capacitance unit receives the relay driving is used to start the air-conditioning,
The second monobus Temperature Humidity Sensor is used to detect the temperature and humidity of the return air inlet for air-conditioner, and the NTC temperature sampler is used
In the temperature for acquiring the air-conditioning, it is transmitted to the MCU processing unit, it is described to open for controlling the refrigeration system of the air-conditioning
The pressure threshold value that detection unit is used to detect the air-conditioning is closed, it is described air conditioner compressed to control to be transmitted to the MCU processing unit
The start and stop of machine.
Optionally, said supply unit includes EMC filter circuit, AD-DC power module and voltage-stablizer, the alternating current of 220V
First after EMC filter circuit filters, constant voltage is formed by AD-DC power module, most forms burning voltage through voltage-stablizer afterwards,
Operating voltage is provided for the electrical cabinet air-conditioner controller.
Optionally, the controller further includes the first power outlet powered for air-conditioning and controller and for for external use
The second source socket of electric equipment power supply.
Optionally, the firewire of first power outlet is connect with the firewire of the second source socket, first electricity
The zero curve of supply socket is connect with the zero curve of the second source socket, the ground wire and the second source of first power outlet
The ground wire of socket connects.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: the present invention is by two air-conditionings
Controller is connected by four core communication cables, first of the first communications portal of the first controller and second and the one or four core
The two cores connection for providing DC voltage of communication cable, the address for the first PCB circuit board being connect with the first communications portal
Detection circuit is able to detect that voltage signal, first of the first communications portal and second are not connected to the first communication outlet,
The second communications portal of second controller is set not have DC voltage, second controller address detection circuit can't detect the second communication
The DC voltage of inlet；The address detection circuit of first PCB circuit board and the detection of the address detection circuit of the second PCB circuit board
To signal be transmitted to corresponding PCB circuit board, the automatic setting to controller communication address is realized, convenient for electrical cabinet air-conditioning
The monitoring management of controller.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of controller provided in an embodiment of the present invention；
Fig. 2 is the circuit diagram of PCB circuit board provided in an embodiment of the present invention；
Fig. 3 is the connection schematic diagram of communication bus provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of four cores communication cable provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of electrical cabinet air-conditioner controller with industrial bus, with realizing controller communication
The automatic setting of location, convenient for the unified management of air-conditioning system.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment
As shown in Figure 1, controller includes shell, PCB circuit board is arranged in the enclosure interior, for the connection of route, institute
State hull outside setting connecting terminal 1, monobus Temperature Humidity Sensor 2, combined aural and visual alarm 3, communications portal 4, communication outlet 5,
First power outlet 6 and second source socket 7；Monobus Temperature Humidity Sensor 2 is for detecting the electrical cabinet installation environment
Temperature, combined aural and visual alarm 3 are used to receive the warning message of controller, and communications portal 4 leads to for providing industrial communication bus interface
News outlet 5 is used to power for air-conditioning and controller for providing trunk interface, the first power outlet 6, and second source socket 7 is used for
For external electric equipment power supply.
The firewire of first power outlet 6 is connect with the firewire of second source socket 7, the zero curve of the first power outlet 6 and
The zero curve of two power outlets 7 connects, and the ground wire of the first power outlet 6 is connect with the ground wire of second source socket 7.
As shown in Fig. 2, PCB circuit board includes power supply unit, MCU processing unit and binding post unit；Power supply unit is used
In to the MCU processing unit and binding post unit power supply, MCU processing unit is connected with binding post unit.
MCU processing unit includes MCU processor, the first monobus Temperature Humidity Sensor, industrial bus Communication processing list
Subelement is arranged in member, sound-light alarm subelement and address automatically；First monobus Temperature Humidity Sensor is for detecting two
The environment temperature of controller is transmitted to MCU processor, and industrial bus Communication processing subelement is connect with MCU processor, for leading to
The transmission of data is interrogated, sound-light alarm subelement receives the signal of MCU processor, and for driving combined aural and visual alarm, address is certainly
Address is transmitted to MCU processor by dynamic setting subelement, the unified management for controller.
Binding post unit includes connecting terminal, relay driving, start-up capacitance unit, the second monobus temperature and humidity sensing
Device, NTC temperature sampler and switch detection unit；Relay driving is connect with connecting terminal, for controlling the start and stop of air-conditioning, is opened
The signal of dynamic condenser unit receiving relay driving is for starting air-conditioning, and the second monobus Temperature Humidity Sensor is for detecting air-conditioning
The temperature and humidity of return air inlet, NTC temperature sampler are used to acquire the temperature of air-conditioning, MCU processing unit are transmitted to, for controlling air-conditioning
Refrigeration system, switch detection unit is used to detect the pressure threshold value of air-conditioning, and it is air conditioner compressed to control to be transmitted to MCU processing unit
The start and stop of machine.
NTC temperature sampler includes the first NTC temperature acquisition channel and the 2nd NTC temperature acquisition channel, the first NTC temperature
Acquisition channel is connect with A/C evaporator NTC temperature sensor, measures the temperature of A/C evaporator, the temperature of evaporator cannot mistake
Low, evaporator surface can freeze when too low, influence the refrigeration effect of air-conditioning, when detecting evaporator surface temperature lower than 0 Celsius
When spending, air-conditioning is out of service, and device surface temperature to be evaporated increases, and air-conditioning restarts operation after ice melts completely, can not only mention
Go up to the air the refrigeration effect adjusted, and protection evaporator, to improve the service life of air-conditioning；2nd NTC temperature acquisition channel and sky
A mouthful NTC temperature sensor connection is recalled, the temperature of air-conditioner air outlet is measured, to carry out temperature adjustment in time.
Power supply unit includes EMC filter circuit, AD-DC power module and voltage-stablizer, and the alternating current of 220V is first filtered through EMC
After circuit filtering, constant voltage is formed by AD-DC power module, most forms burning voltage through voltage-stablizer afterwards, is that electrical cabinet is empty
Controller is adjusted to provide operating voltage.
Device processed obtains the reality in cabinet by the value that acquisition is mounted on the monobus Temperature Humidity Sensor at return air inlet for air-conditioner
Temperature and humidity；Practical temperature and humidity in the external cabinet transmitted can also be received by communication bus.Air-conditioner controller is preferentially total using communication
Practical temperature and humidity in the cabinet that line transmits, when it is super do not receive the practical temperature and humidity out of communication bus transmits cabinet after one minute when,
The practical temperature and humidity in cabinet is obtained using the value of the monobus Temperature Humidity Sensor at return air inlet for air-conditioner.
As described in Figure 3, electrical cabinet air-conditioner controller includes two controllers and four core communication cables, and controller is for monitoring
Air-conditioning is managed, four core communication cables are used for the setting of data communication and address；
First communications portal of the first controller is connect outside first shell with the one or four core communication cable 5, and the one or four
Core communication cable 5 include for providing two cores of DC voltage, two cores respectively with first and second of the first communications portal 1
Connection；First of first communications portal 1 and second are connect with the address detection circuit of the first PCB circuit board, the first PCB line
The address detection circuit of road plate is used to detect the voltage of the first communications portal 1；The third position of first communications portal 1 and four point
It is not connect with the third position of the first communication outlet 2 and the 4th, the data communication for the first controller；
First controller is connect with second controller by the two or four core communication cable 6, and the first controller and second are used for
The unified management of controller；
First communication outlet first of 2 and second first with the second communications portal 3 of second controller respectively
It being connected with second, first of the second communications portal 3 and second are connect with the address detection circuit of the second PCB circuit board,
For detecting the voltage of the second communications portal；First communication outlet 2 third position and the 4th respectively with the second communications portal 3
Third position and the 4th connection；The third position of second communications portal 3 and the 4th respectively with the third position of the second communication outlet 4 and
4th connection, the data communication for second controller.
The third position of first communications portal 1 and the 4th are respectively with the third position of the first communication outlet 2 and the 4th the
Connected in one PCB circuit board, the third position of the second communications portal 3 and the 4th respectively with the third position of the second communication outlet 4 and
4th connects in the second PCB circuit board.
One or four core communication cable connection 5 accesses the first communications portal 1 of the first controller first, then from the first control
First communication outlet 2 of device picks out the second communications portal 3 that second controller is arrived in the two or four core communication cable connection 6, the second control
Second communication outlet 4 of device processed picks out a four core communication cables and is connected to other equipment on communication bus.
One or four core communication cable connection 5 for provide two cores of DC voltage and first of the first communications portal 1 and
Second connection, the first controller address detection circuit can detecte the DC voltage at the first communications portal 1, and connect straight
First of first communications portal 1 of galvanic electricity pressure and second are not connected to the first communication outlet, make the second of second controller
Communications portal 3 does not have DC voltage, and second controller address detection circuit can't detect the direct current at the second communications portal 3
Pressure.First controller detects that d. c. voltage signal is transmitted to MCU processing unit, and MCU processing unit exports high level signal,
The address of first controller is set as " 30001 ", and second controller can't detect DC voltage, by the signal of not voltage
It is transmitted to MCU processing unit, MCU processing unit exports low level signal, sets the address of second controller to
" 30002 " realize that the address of different controllers is set automatically.
As shown in figure 4, the one or four core communication cable connection 5 includes two cores 501 of address detected and two cores of data communication
502, two cores 501 of address detected contain DC voltage, and the address detection circuit of the first controller is made to export high level, Jin Ershe
Determine address.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of electrical cabinet air-conditioner controller with industrial bus, which is characterized in that the electrical cabinet air-conditioner controller includes
Two controllers and two four core communication cables, the controller are used for monitoring management air-conditioning, and the four cores communication cable is used for
The setting of data communication and address；
The controller includes shell, and PCB circuit board, for the connection of route, the hull outside is arranged in the enclosure interior
The communication outlet that the communications portal for providing industrial communication bus interface is set and trunk interface is provided；
First communications portal of the first controller is connect outside first shell with the one or four core communication cable, the one or four core
Communication cable include for providing two cores of DC voltage, two core respectively with first of first communications portal and
Two connections；First of first communications portal and second are connect with the address detection circuit of the first PCB circuit board, institute
The address detection circuit for stating the first PCB circuit board is used to detect the voltage of first communications portal；First communications portal
Third position and the 4th respectively with first communication outlet third position and the 4th connect, the number for first controller
According to communication；
First controller is connect with second controller by the two or four core communication cable, and first controller and institute are used for
State the unified management of second controller；
It is described first communication outlet first and second respectively with the second communications portal of the second controller first
Position is connected with second, the address detection circuit of first of second communications portal and second and the second PCB circuit board
Connection, for detecting the voltage of second communications portal；It is described first communication outlet third position and the 4th respectively with institute
State the second communications portal third position and the 4th connection；The third position of second communications portal and the 4th respectively with it is described
The third position of second communication outlet and the 4th connection, the data communication for the second controller；
The signal that the address detection circuit of first PCB circuit board will test is transmitted to first PCB circuit board, is used for
Set the address of first controller；The signal transmission that the address detection circuit of second PCB circuit board detects
To second PCB circuit board, for setting the address of the second controller.
2. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that described first is logical
Interrogate entrance third position and the 4th respectively with it is described first communication outlet third position and the 4th in the first PCB route
It is connected on plate, the third position of second communications portal and the 4th third position and the 4th exported respectively with second communication
Position connects in second PCB circuit board.
3. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that outside the shell
Side also sets up monobus Temperature Humidity Sensor, and the monobus Temperature Humidity Sensor is for detecting the electrical cabinet installation environment
Temperature.
4. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that outside the shell
Side also sets up combined aural and visual alarm, and the combined aural and visual alarm is used to receive the warning message of the controller.
5. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that the PCB line
Road plate includes power supply unit, MCU processing unit and binding post unit；Said supply unit is used for the MCU processing unit
It powers with the binding post unit, the MCU processing unit is connected with the binding post unit.
6. the electrical cabinet air-conditioner controller according to claim 5 with industrial bus, which is characterized in that at the MCU
Reason unit includes MCU processor, the first monobus Temperature Humidity Sensor, industrial bus Communication processing subelement, sound-light alarm
Subelement is arranged in unit and address automatically；The first monobus Temperature Humidity Sensor is for detecting two controllers
Environment temperature, be transmitted to the MCU processor, the industrial bus Communication processing subelement is connect with the MCU processor,
For the transmission of communication data, the sound-light alarm subelement receives the signal of the MCU processor, for driving the acousto-optic
Alarm, the address subelement are arranged automatically, address are transmitted to the MCU processor, are used for the controller
Unified management.
7. the electrical cabinet air-conditioner controller according to claim 5 with industrial bus, which is characterized in that the terminals
Subelement includes connecting terminal, relay driving, start-up capacitance unit, the second monobus Temperature Humidity Sensor, NTC temperature acquisition
Device and switch detection unit；The relay driving is connect with the connecting terminal, for controlling the start and stop of air-conditioning, the starting
The signal that capacitor cell receives the relay driving is used for starting the air-conditioning, the second monobus Temperature Humidity Sensor
In the temperature and humidity for detecting the return air inlet for air-conditioner, the NTC temperature sampler is used to acquire the temperature of the air-conditioning, is transmitted to institute
MCU processing unit is stated, for controlling the refrigeration system of the air-conditioning, the switch detection unit is used to detect the pressure of the air-conditioning
Power threshold values is transmitted to the MCU processing unit to control the start and stop of the compressor of air conditioner.
8. the electrical cabinet air-conditioner controller according to claim 5 with industrial bus, which is characterized in that the power supply is single
Member includes EMC filter circuit, AD-DC power module and voltage-stablizer, and the alternating current of 220V first after EMC filter circuit filters, leads to
It crosses AD-DC power module and forms constant voltage, most form burning voltage through voltage-stablizer afterwards, mentioned for the electrical cabinet air-conditioner controller
For operating voltage.
9. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that the controller
It further include the first power outlet powered for air-conditioning and controller and the second source socket for powering for external electric equipment.
10. the electrical cabinet air-conditioner controller according to claim 1 with industrial bus, which is characterized in that described first
The firewire of power outlet is connect with the firewire of the second source socket, the zero curve of first power outlet and second electricity
The zero curve of supply socket connects, and the ground wire of first power outlet is connect with the ground wire of the second source socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610151.3A CN109682042B (en) | 2018-12-27 | 2018-12-27 | Regulator cubicle air conditioner controller with industrial bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610151.3A CN109682042B (en) | 2018-12-27 | 2018-12-27 | Regulator cubicle air conditioner controller with industrial bus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682042A true CN109682042A (en) | 2019-04-26 |
| CN109682042B CN109682042B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811610151.3A Active CN109682042B (en) | 2018-12-27 | 2018-12-27 | Regulator cubicle air conditioner controller with industrial bus |
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| CN1332433A (en) * | 2000-06-30 | 2002-01-23 | 株式会社哈莫一链 | Control and monitor signal transmission system |
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| CN102353118A (en) * | 2011-08-08 | 2012-02-15 | 青岛海信日立空调系统有限公司 | Control method for judging master-slave relation of double wire controllers of air conditioner |
| CN204155385U (en) * | 2014-09-17 | 2015-02-11 | 九江精密测试技术研究所 | A kind of code-shaped fire acousto-optic alarm |
| CN107424402A (en) * | 2017-09-13 | 2017-12-01 | 杭州乾龙电器有限公司 | The carrier module that can be communicated with external equipment |
| US20180077223A1 (en) * | 2014-05-13 | 2018-03-15 | Senseware, Inc. | System, Method and Apparatus for Enabling a Shared Infrastructure |
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2018
- 2018-12-27 CN CN201811610151.3A patent/CN109682042B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332433A (en) * | 2000-06-30 | 2002-01-23 | 株式会社哈莫一链 | Control and monitor signal transmission system |
| CN201673401U (en) * | 2010-06-07 | 2010-12-15 | 北京国科环宇空间技术有限公司 | Control equipment and control device based on bus |
| CN102353118A (en) * | 2011-08-08 | 2012-02-15 | 青岛海信日立空调系统有限公司 | Control method for judging master-slave relation of double wire controllers of air conditioner |
| US20180077223A1 (en) * | 2014-05-13 | 2018-03-15 | Senseware, Inc. | System, Method and Apparatus for Enabling a Shared Infrastructure |
| CN204155385U (en) * | 2014-09-17 | 2015-02-11 | 九江精密测试技术研究所 | A kind of code-shaped fire acousto-optic alarm |
| CN107424402A (en) * | 2017-09-13 | 2017-12-01 | 杭州乾龙电器有限公司 | The carrier module that can be communicated with external equipment |
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| Publication number | Publication date |
|---|---|
| CN109682042B (en) | 2020-08-07 |
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