CN106440220A - Air conditioner standby circuit and air conditioner - Google Patents

Air conditioner standby circuit and air conditioner Download PDF

Info

Publication number
CN106440220A
CN106440220A CN201610891391.XA CN201610891391A CN106440220A CN 106440220 A CN106440220 A CN 106440220A CN 201610891391 A CN201610891391 A CN 201610891391A CN 106440220 A CN106440220 A CN 106440220A
Authority
CN
China
Prior art keywords
circuit
air
premises station
power wiring
control circuit
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.)
Granted
Application number
CN201610891391.XA
Other languages
Chinese (zh)
Other versions
CN106440220B (en
Inventor
杨伟
连建春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201610891391.XA priority Critical patent/CN106440220B/en
Publication of CN106440220A publication Critical patent/CN106440220A/en
Application granted granted Critical
Publication of CN106440220B publication Critical patent/CN106440220B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring

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 an air conditioner standby circuit and an air conditioner. The air conditioner standby circuit comprises indoor unit circuits (1) and an outdoor unit circuit (2). First power wirings, second power wirings and shared lines are connected between the indoor unit circuits (1) and the outdoor unit circuit (2). The indoor unit circuits (1) comprise indoor control circuits (3). The outdoor unit circuit (2) comprises an outdoor control circuit (4). One end of the outdoor control circuit (4) is connected to the second power wirings, and the other end of the outdoor control circuit (4) is connected to the shared lines. First ends of the indoor control circuits (3) are connected to the first power wirings and the second power wirings. Second ends of the indoor control circuits (3) are connected to the shared lines. On-off switches (6) are arranged on connecting lines through which the indoor control circuits (3) are connected to the second power wirings. A power line (5) is connected to the first power wiring of the outdoor unit circuit (2). According to the air conditioner standby circuit, standby power consumption can be further reduced, and energy waste is reduced.

Description

Air-conditioner standby circuit and air-conditioner
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioner standby circuit and air-conditioner.
Background technology
With air-conditioning Energy Efficiency Standard more and more higher, the stand-by power consumption of air-conditioning is also increasingly paid close attention to by people.Existing general When air-conditioner is standby, indoor apparatus of air conditioner circuit and off-premises station circuit are in power-up state to the circuit of logical air-conditioner, and energy consumption is relatively Greatly.In order to reduce the stand-by power consumption of air-conditioner it is proposed that a kind of economical air conditioner, its indoor set and off-premises station are by power line, pass The holding wire of defeated signal and be transmission alternating current and the bridging line that shared of transmission signal couples together, when air-conditioner is standby Stop powering to the circuit in off-premises station, and start in off-premises station after indoor set is powered to off-premises station through holding wire on startup Circuit.But, this kind of circuit structure complexity.When off-premises station is in holding state, off-premises station still can consume micro electric power, When air-conditioner quantity is more, even if off-premises station is in holding state, totally will also result in substantial amounts of power consumption, energy wave Take huge.
Content of the invention
The purpose of the present invention is to propose to a kind of air-conditioner standby circuit and air-conditioner, standby power consumption can be reduced further, subtract Few energy waste.
According to an aspect of the invention, it is provided a kind of air-conditioner standby circuit, dynamo-electric including indoor set circuit and outdoor Road, is connected with the first power wiring, the second power wiring and bridging line between indoor set circuit and off-premises station circuit, indoor dynamo-electric Road includes indoor control circuit, and off-premises station circuit includes outdoor control circuit, and outdoor control circuit one end is connected to the second electric power On distribution, the other end is connected on bridging line, and the first end of indoor control circuit is connected to the first power wiring and second On power wiring, the second end is connected on bridging line, and indoor control circuit connects and sets to the connection line of the second power wiring It is equipped with and off switch, power line is connected on the first power wiring of off-premises station circuit.
Preferably, indoor set circuit is multiple, after multiple indoor set circuit in parallel, is electrically connected to off-premises station circuit.
Preferably, it is also associated with order wire between off-premises station circuit and indoor set circuit.
Preferably, outdoor control circuit includes the first filter circuit and the first rectification circuit.
Preferably, the second power wiring end of outdoor control circuit is provided with first fuse.
Preferably, on and off switch is electromagnetic relay.
Preferably, indoor control circuit includes the second filter circuit and the second rectification circuit.
Preferably, the first end of indoor control circuit is provided with second fuse, and indoor control circuit is passed through second and fused Device is connected with the first power wiring and the second power wiring respectively.
Preferably, off-premises station circuit is provided with multiple communication line interfaces, each communication line interface corresponds to an indoor set The communication line interface of circuit.
According to a further aspect in the invention, there is provided a kind of air-conditioner, including air-conditioner standby circuit, this air-conditioner standby circuit For above-mentioned air-conditioner standby circuit.
The air-conditioner standby circuit of the present invention, including indoor set circuit and off-premises station circuit, indoor set circuit and outdoor are dynamo-electric It is connected with the first power wiring, the second power wiring and bridging line, indoor set circuit includes indoor control circuit between road, outdoor Machine includes outdoor control circuit, and outdoor control circuit one end is connected on the second power wiring, and the other end is connected on bridging line, The first end of indoor control circuit is connected on the first power wiring and the second power wiring, and the second end is connected to bridging line On, indoor control circuit connects and is provided with and off switch to the connection line of the second power wiring, and power line is connected on off-premises station On circuit.Increased a terminal block more the air-conditioner standby circuit of the present invention, and increased a road secondary distribution line, be i.e. the second electricity Power distribution, when carrying out wiring, off-premises station circuit connects to the second power wiring, and the indoor control circuit of indoor set circuit connects To the first power wiring, and it is optionally connected to the second power wiring, off-premises station circuit and indoor set circuit are equal when needing During operation, the indoor control circuit of indoor set circuit can be made to connect with the second power wiring, now indoor set circuit and outdoor Dynamo-electric road all connects, and air-conditioner is in running order, when off-premises station needs to carry out standby, now can be to control electricity in disconnection chamber Circuit between road and the second power wiring, off-premises station circuit cannot be realized even by the second power wiring and the first power wiring Logical, off-premises station circuit no power, only indoor set circuit is standby, therefore can greatly reduce indoor set and off-premises station simultaneously standby when Power consumption, a large amount of save energies, improve energy utilization rate.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory, not The present invention can be limited.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the present invention Example, and be used for explaining the principle of the present invention together with description.
Fig. 1 is the structure principle chart of the air-conditioner standby circuit of first embodiment of the invention;
Fig. 2 is the structure principle chart of the air-conditioner standby circuit of second embodiment of the invention.
Description of reference numerals:1st, indoor set circuit;2nd, off-premises station circuit;3rd, indoor control circuit;4th, outdoor control circuit; 5th, power line;6th, on and off switch;7th, the first filter circuit;8th, the first rectification circuit;9th, the second filter circuit;10th, the second rectification Circuit;11st, first fuse;12nd, second fuse.
Specific embodiment
The following description and drawings fully illustrate specific embodiments of the present invention, to enable those skilled in the art to Put into practice them.Other embodiments can include structure, logic, electric, process and other change.Embodiment Only represent possible change.Unless explicitly requested, otherwise individually components and functionality is optional, and the order operating is permissible Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This The scope of bright embodiment includes the gamut of claims, and all obtainable of claims is equal to Thing.Herein, each embodiment can individually or generally with term " invention " be represented, it is convenient that this is used for the purpose of, And if in fact disclosing the invention more than, the scope being not meant to automatically limit this application is any single invention Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with Another entity or operation make a distinction, and do not require or imply the relation that there is any reality between these entities or operation Or order.And, term " inclusion ", "comprising" or its any other variant are intended to comprising of nonexcludability, thus So that including a series of process of key elements, method or equipment not only include those key elements, but also include being not expressly set out Other key elements, or also include for this process, method or the intrinsic key element of equipment.In the feelings not having more restrictions Under condition, the key element being limited by sentence "including a ..." is it is not excluded that including process, method or the equipment of described key element In also there is other identical element.Each embodiment is described by the way of going forward one by one herein, and each embodiment stresses Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For enforcement For method, product etc. disclosed in example, partly corresponding with method disclosed in embodiment due to it, so the comparison of description is simple Single, referring to method part illustration in place of correlation.
In conjunction with shown in Figure 1, according to the first embodiment of the present invention, air-conditioner standby circuit includes indoor set circuit 1 He Off-premises station circuit 2, be connected between indoor set circuit 1 and off-premises station circuit 2 first power wiring L, the second power wiring L1 and Bridging line N, indoor set circuit 1 includes indoor control circuit 3, and off-premises station circuit 2 includes outdoor control circuit 4, outdoor control electricity Road 4 one end is connected on the second power wiring L1, and the other end is connected on bridging line N, and the first end of indoor control circuit 3 is respectively It is connected on the first power wiring L and the second power wiring L1, the second end is connected on bridging line N, indoor control circuit 3 connects It is provided with and off switch 6 to the connection line of the second power wiring L1, power line 5 is connected on the first electric power of off-premises station circuit 2 On distribution L.
Increased a terminal block more the air-conditioner standby circuit of the present invention, and a road auxiliary be increased according to this terminal block and join Electric wire, i.e. the second power wiring L1, when carrying out wiring, off-premises station circuit 2 connects to the second power wiring L1, indoor set circuit 1 indoor control circuit 3 connects to the first power wiring L, and is optionally connected to the second power wiring L1, when needing room When outer electromechanics road 2 and indoor set circuit 1 all run, indoor control circuit 3 and second power wiring of indoor set circuit 1 can be made L1 connects, and now indoor set circuit 1 all connects with off-premises station circuit 2, and air-conditioner is in running order, when off-premises station needs to carry out When standby, now can be with the circuit between disconnection chamber's inner control circuit 3 and the second power wiring L1, the outdoor of off-premises station circuit 2 Control circuit 4 cannot be realized connecting by the second power wiring L1 and the first power wiring L, the outdoor control of off-premises station circuit 2 Circuit 4 no power, is fully disconnected with alternating current, and the indoor control circuit 3 of only indoor set circuit 1 is standby, therefore can significantly subtract Power consumption when little indoor set and off-premises station are simultaneously standby, a large amount of save energies, improve energy utilization rate.
Because this stand-by circuit only increased a terminal block in the terminal block of off-premises station circuit 2 and indoor set circuit 1 Position, connects the connection circuit between the power wiring of two terminal positions, and indoor terminal position and indoor control circuit 3 and setting On and off switch on this connection circuit, compatible therefore, it is possible to carry out with existing air-conditioner well, reconstruction structure is few, is transformed into This is little, and compatibility is good, easily realizes.
Preferably, on and off switch 6 is electromagnetic relay, can pass through the break-make control on and off switch 6 for the weakness circuit realiration System, can improve the safety of circuit control.
Preferably, it is also associated with order wire C between off-premises station circuit 2 and indoor set circuit 1.Order wire C is used for realizing letter Number transmission, the communication of indoor set and off-premises station can be conveniently realized, thus carrying out the Control on Communication of internal-external machine.
Outdoor control circuit 4 includes the first filter circuit 7 and the first rectification circuit 8.
Second power wiring L1 end of outdoor control circuit 4 is provided with first fuse 11, this first fuse 11 energy Enough protection is formed to each electronic devices and components in outdoor control circuit 4, prevent voltage or electric current excessive and to outdoor control Electronic devices and components on circuit 4 cause to damage.
Indoor control circuit 3 includes the second filter circuit 9 and the second rectification circuit 10.
The first end of indoor control circuit 3 is provided with second fuse 12, and indoor control circuit 3 passes through second fuse 12 It is connected with the first power wiring L and the second power wiring L1 respectively.This second fuse 12 can be in indoor control circuit 3 Each electronic devices and components forms protection, prevents voltage or electric current excessive and the electronic devices and components in indoor control circuit 3 are made Become to damage.
Power line 5 is connected on outdoor terminal block L/N/ ground terminal seed cell external terminal L and is connected with indoor terminal L by even machine line, Upper electricity after, indoor control circuit can normal work, MCU micro-control unit can normal work, after receiving remote signal, MCU sends instruction, the adhesive of control relay K1, and the terminal L1 of such indoor set circuit 1 passes through even machine line and off-premises station circuit 2 Terminal L1 is connected, and the live wire of outdoor control circuit 4 is powered, then electricity in outdoor control circuit 4.After remote-control closedown, indoor MCU control relay K1 disconnects, and terminal L1 and the power line of indoor set circuit 1 disconnect, the correspondingly end of off-premises station circuit 2 Sub- L1 is also disconnected with power line, outdoor control circuit 4 power-off of off-premises station circuit 2, now the room of only indoor set circuit 1 Inner control circuit 3 is in holding state, the not power consumption of outdoor control circuit 4.
In conjunction with shown in Figure 2, according to the second embodiment of the present invention, it is essentially identical with first embodiment, difference Place is, in the present embodiment, indoor set circuit 1 is multiple, after the parallel connection of multiple indoor set circuit 1, is electrically connected to off-premises station Circuit 2, forms one and drags many air-conditionings.This one drags many air-conditionings identical with the one-to-one air-conditioning in first embodiment, continues when being all standby Electrical equipment K1 and K2 disconnects, and off-premises station control circuit 4 is not powered, after any one indoor set circuit 1 receives starting-up signal, Will allow electricity on off-premises station circuit 2, realize the normal operation of this indoor set.
When receiving indoor off signal, only it is subject to the indoor set circuit 1 of off signal can carry out power-off operation, outdoor Dynamo-electric road 2 with other indoor set circuit 1 still normal work it is ensured that the flexible control of air-conditioner and stable operation, only When all of interior machine is all turned off, just can disconnect the power supply of the outdoor control circuit 4 on outdoor electromechanics road 1.
The air-conditioner standby realized by the above-mentioned air-conditioner standby circuit of the present invention, compares original air conditioner motor circuit, Save energy, up to more than 80%, substantially reduces electrical expenses, is advantageously implemented energy-conserving and environment-protective.
Preferably, off-premises station circuit 2 is provided with multiple communication line interfaces, each communication line interface corresponds to an indoor set The communication line interface of circuit 1.By man-to-man communication docking, it can be avoided that off-premises station circuit 2 is led to indoor set circuit 1 Occur signal chaotic during letter it is ensured that the clarity of the accuracy of signal transmission and signal.For example in the one drag two machine of the present embodiment In type, off-premises station circuit is provided with two communications line interface C1, C2, first indoor set circuit 1 is provided with one and leads to Letter line interface C1, is provided with a communication line interface C2 on second indoor set circuit 2, passes through between two of which interface C1 Even machine line is corresponding connects, and connects by even machine line is corresponding between two C2.
According to embodiments of the invention, air-conditioner includes air-conditioner standby circuit, and this air-conditioner standby circuit is above-mentioned air-conditioning Stand-by circuit.
It is described above and flow process illustrated in the accompanying drawings and structure it should be appreciated that the invention is not limited in, And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim System.

Claims (10)

1. a kind of air-conditioner standby circuit is it is characterised in that include indoor set circuit (1) and off-premises station circuit (2), described indoor set It is connected with the first power wiring, the second power wiring and bridging line, described room between circuit (1) and described off-premises station circuit (2) Interior electromechanics road (1) includes indoor control circuit (3), and described off-premises station circuit (2) includes outdoor control circuit (4), described outdoor Control circuit (4) one end is connected on described second power wiring, and the other end is connected on described bridging line, described interior control The first end of circuit (3) is connected on described first power wiring and described second power wiring, and the second end is connected to institute State on bridging line, described interior control circuit (3) connects and is provided with break-make to the connection line of described second power wiring and opens Close (6), power line (5) is connected on the first power wiring of described off-premises station circuit (2).
2. air-conditioner standby circuit according to claim 1 is it is characterised in that described indoor set circuit (1) is multiple, multiple After described indoor set circuit (1) parallel connection, it is electrically connected to described off-premises station circuit (2).
3. air-conditioner standby circuit according to claim 1 is it is characterised in that described off-premises station circuit (2) and described interior It is also associated with order wire between dynamo-electric road (1).
4. air-conditioner standby circuit according to claim 1 is it is characterised in that described outdoor control circuit (4) includes first Filter circuit (7) and the first rectification circuit (8).
5. air-conditioner standby circuit according to claim 4 it is characterised in that described outdoor control circuit (4) second electricity Power distribution end is provided with first fuse (11).
6. air-conditioner standby circuit according to claim 1 is it is characterised in that described on and off switch (6) is electromagnetic relay.
7. air-conditioner standby circuit according to claim 1 is it is characterised in that described interior control circuit (3) includes second Filter circuit (9) and the second rectification circuit (10).
8. air-conditioner standby circuit according to claim 7 it is characterised in that described interior control circuit (3) first end It is provided with second fuse (12), described interior control circuit (3) is by described second fuse (12) respectively with described first Power wiring and described second power wiring connect.
9. air-conditioner standby circuit according to claim 2 is it is characterised in that be provided with many on described off-premises station circuit (2) Individual communication line interface, the communication line interface of each corresponding described indoor set circuit (1) of communication line interface.
10. a kind of air-conditioner, including air-conditioner standby circuit it is characterised in that described air-conditioner standby circuit is claim 1 to 9 Any one of air-conditioner standby circuit.
CN201610891391.XA 2016-10-12 2016-10-12 Air-conditioner standby circuit and air conditioner Active CN106440220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610891391.XA CN106440220B (en) 2016-10-12 2016-10-12 Air-conditioner standby circuit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610891391.XA CN106440220B (en) 2016-10-12 2016-10-12 Air-conditioner standby circuit and air conditioner

Publications (2)

Publication Number Publication Date
CN106440220A true CN106440220A (en) 2017-02-22
CN106440220B CN106440220B (en) 2019-07-02

Family

ID=58173763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610891391.XA Active CN106440220B (en) 2016-10-12 2016-10-12 Air-conditioner standby circuit and air conditioner

Country Status (1)

Country Link
CN (1) CN106440220B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110500696A (en) * 2019-08-14 2019-11-26 海信(山东)空调有限公司 A kind of control circuit and air-conditioning
CN110959092A (en) * 2017-07-26 2020-04-03 三菱电机株式会社 Air conditioner
CN111306745A (en) * 2020-03-02 2020-06-19 广东美的暖通设备有限公司 Power supply circuit, control method, air conditioner, and computer-readable storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005133968A (en) * 2003-10-28 2005-05-26 Matsushita Electric Ind Co Ltd Air-conditioner
EP2241831A8 (en) * 2009-04-06 2011-02-09 Mitsubishi Electric Corporation Air conditioner with reduced standby power consumption of the outdoor unit on the basis of a three wire cable connection between indoor and outdoor unit
CN102878651A (en) * 2012-10-16 2013-01-16 四川长虹电器股份有限公司 Intelligent inverter air conditioner with low standby power
CN203571958U (en) * 2012-12-20 2014-04-30 三菱电机株式会社 Air conditioner
CN203930389U (en) * 2014-06-16 2014-11-05 青岛海尔空调器有限总公司 The circuit of a kind of air conditioner and low standby power loss thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005133968A (en) * 2003-10-28 2005-05-26 Matsushita Electric Ind Co Ltd Air-conditioner
EP2241831A8 (en) * 2009-04-06 2011-02-09 Mitsubishi Electric Corporation Air conditioner with reduced standby power consumption of the outdoor unit on the basis of a three wire cable connection between indoor and outdoor unit
CN102878651A (en) * 2012-10-16 2013-01-16 四川长虹电器股份有限公司 Intelligent inverter air conditioner with low standby power
CN203571958U (en) * 2012-12-20 2014-04-30 三菱电机株式会社 Air conditioner
CN203930389U (en) * 2014-06-16 2014-11-05 青岛海尔空调器有限总公司 The circuit of a kind of air conditioner and low standby power loss thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110959092A (en) * 2017-07-26 2020-04-03 三菱电机株式会社 Air conditioner
CN110959092B (en) * 2017-07-26 2021-03-12 三菱电机株式会社 Air conditioner
CN110500696A (en) * 2019-08-14 2019-11-26 海信(山东)空调有限公司 A kind of control circuit and air-conditioning
CN110500696B (en) * 2019-08-14 2021-05-14 海信(山东)空调有限公司 Control circuit and air conditioner
CN111306745A (en) * 2020-03-02 2020-06-19 广东美的暖通设备有限公司 Power supply circuit, control method, air conditioner, and computer-readable storage medium

Also Published As

Publication number Publication date
CN106440220B (en) 2019-07-02

Similar Documents

Publication Publication Date Title
EP2993421B1 (en) Low-power consumption standby circuit device, air conditioner and control method for air conditioner
CN111656104B (en) Air conditioner outdoor unit and air conditioner
CN103162372B (en) Air-conditioner and RS485 bus system thereof and bus system control method
CN102815229A (en) Intelligent power supply box for supplying electricity for vehicle-mounted precision equipment
CN106440220A (en) Air conditioner standby circuit and air conditioner
CN201207647Y (en) Two-wire system non-polarity master-slave type communication transceiver
CN203930389U (en) The circuit of a kind of air conditioner and low standby power loss thereof
CN204389925U (en) A kind of air conditioner and low standby power loss circuit thereof
US20220224152A1 (en) Communication power supply system
CN204316829U (en) A kind of more-control switch of remote manual control compatibility
CN104901813A (en) Power supply device and power supply system
CN101852471B (en) Method for loading power to bus by air conditioning controller and controller
CN105159146B (en) A kind of circuit of air conditioner and its low standby power loss
CN105929326B (en) Switch carrier wave isolation monitoring device and emergency power supply
CN110500696B (en) Control circuit and air conditioner
CN202547004U (en) Air conditioner and recommended standard (RS) 485 bus system thereof
CN103181116B (en) Network and the method for operational network
CN104065156B (en) A kind of input wires device that intersects in parallel of 2N power-supply system
CN101872998A (en) Power supply switching circuit
CN104052084A (en) 110 kilovolt substation micro-grid system used for large electricity consumption places
CN206226400U (en) Stand-by circuit, the socket with the stand-by circuit, plug and equipment
CN205304589U (en) Power source control circuit
CN104483917A (en) Multi-split current loop communication system
CN108418544A (en) Solar panel terminal box and solar power system
CN107733072A (en) Intelligent vehicle-carried distribution system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant