CN208537970U - A kind of air conditioner cold water unit and air-conditioning - Google Patents
A kind of air conditioner cold water unit and air-conditioning Download PDFInfo
- Publication number
- CN208537970U CN208537970U CN201821358700.8U CN201821358700U CN208537970U CN 208537970 U CN208537970 U CN 208537970U CN 201821358700 U CN201821358700 U CN 201821358700U CN 208537970 U CN208537970 U CN 208537970U
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- cold water
- conditioner cold
- water unit
- plc controller
- 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.)
- Active
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a kind of air conditioner cold water unit and air-conditionings, the air conditioner cold water unit includes direct current width piezoelectric power supplies, three-phase alternating-current supply, frequency converter, refrigerant water pump and PLC controller, the direct current width piezoelectric power supplies are used to power for the frequency converter and the PLC controller, and the three-phase alternating-current supply is used to power for the refrigerant water pump.The air conditioner cold water unit of the utility model has the advantages that power supply structure is simple and saves electric energy.
Description
Technical field
The utility model relates to field of air conditioning more particularly to a kind of air conditioner cold water units and air-conditioning.
Background technique
Converter technique is widely used to all kinds of electromechanical equipments, and marine air conditioner water cooler is by totally enclosed type scroll compression
The composition such as machine, plate-type evaporator, condenser, throttle structure, electric control box, frequency converter, and it is integrated with refrigerant water pump, using change
Frequency compressor remains high energy efficiency ratio within the scope of full working scope, and energy saving is superior.
For the mobile traffics such as steamer, two kinds of power supplys are generally provided, one is three generated by engine
Phase alternating current, another kind are the direct current width piezoelectricity provided by energy storage device.In the prior art, the air conditioner cold water on the vehicles
Unit is all to be powered by the three-phase alternating current of engine generation to air conditioner cold water unit.Therefore, energy storage device mentions
The direct current width piezoelectricity of confession is seldom used.And in air conditioner cold water unit, there is the device for much needing DC power supply to power, this
When, and need that the three-phase alternating current that engine generates is converted to direct current by power adapter and supply air-conditioning use, cause
Power supply structure is complicated and wastes electric energy.
Utility model content
The purpose of this utility model be for above-mentioned air conditioner cold water unit of the existing technology power supply circuit it is complicated and
It is simple and save the air conditioner cold water unit and air-conditioning of electric energy to provide a kind of power supply structure for the defect for wasting electric energy.
In the utility model embodiment, a kind of air conditioner cold water unit is provided comprising direct current width piezoelectric power supplies, three intersections
Galvanic electricity source, frequency converter, refrigerant water pump and PLC controller, the direct current width piezoelectric power supplies are used to be the frequency converter and the PLC
Controller power supply, the three-phase alternating-current supply are used to power for the refrigerant water pump.
In the utility model embodiment, the air conditioner cold water unit further includes the compressor being connected with the frequency converter,
The DC voltage that the direct current width voltage source provides is reverse into three-phase alternating current to drive the compressor work by the frequency converter
Make.
In the utility model embodiment, the air conditioner cold water unit further includes Switching Power Supply, and the Switching Power Supply is used for will
The DC voltage conversion that the direct current width voltage source provides supplies PLC controller at DC voltage needed for the PLC controller
It uses.
In the utility model embodiment, the air conditioner cold water unit further includes being set to the Switching Power Supply and the direct current
The first filter circuit between width voltage source.
In the utility model embodiment, the air conditioner cold water unit further includes being set to the frequency converter and the direct current width
The second filter circuit between voltage source.
In the utility model embodiment, the air conditioner cold water unit further includes starting controller, the starting controller point
It is not connected with the refrigerant water pump and the PLC controller, the starting controller receives the letter from the PLC controller
The opening and closing of number control refrigerant water pump, and feed back to the PLC controller for the operating status of refrigerant water pump.
In the utility model embodiment, the air conditioner cold water unit further includes being set to the three-phase alternating-current supply and described
Start the third filter circuit between controller, the power supply that the three-phase ac power supply provides is filtered by the third filter circuit
After wave, powered by the starting controller to the refrigerant water pump.
In the utility model embodiment, a kind of air-conditioning is additionally provided, uses above-mentioned air conditioner cold water unit.
Compared with prior art, the method for supplying power to of the air conditioner cold water unit of the utility model, using existing by direct current
Width piezoelectricity and three-phase alternating current are respectively powered component corresponding in water cooler, simplify the power supply knot of water cooler
Structure, high reliablity realize the efficient utilization of power supply energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air conditioner cold water unit provided by the embodiment of the utility model.
Specific embodiment
Specifically, as shown in Figure 1, the utility model embodiment provides a kind of air conditioner cold water unit, the air-conditioning cold water dispenser
Group includes direct current width piezoelectric power supplies 11, frequency converter 12, compressor 13, PLC controller 14, unit load 15, three-phase alternating-current supply
21, start controller 22, refrigerant water pump 23, the first filter circuit 31, the second filter circuit 32, third filter circuit 33 and switch
Power supply 34.
First filter circuit 31 is set between the direct current width piezoelectric power supplies 11 and the Switching Power Supply 34, is used
It is filtered in the voltage provided the direct current width piezoelectric power supplies 11, the Switching Power Supply 34 is used for the direct current width piezoelectricity
The DC voltage conversion that source 11 provides supplies the PLC controller 14 at DC voltage needed for the PLC controller 14 and uses.
Second filter circuit 32 is set between the direct current width piezoelectric power supplies 11 and the frequency converter 12, for pair
The voltage that the direct current width piezoelectric power supplies 11 provide is filtered.The frequency converter 12 is further connected with the compressor 13
It connects, the frequency converter 12 is used to the DC voltage that the direct current width voltage source 11 provides being reverse into three-phase alternating current to drive
State the work of compressor 13.
The third filter circuit 33 is set between the three-phase alternating-current supply 21 and the starting controller 22.It is described
Starting controller 22 is connected with the refrigerant water pump 23 and the PLC controller 14 respectively, and the starting controller 22 receives
Signal from the PLC controller 14 controls the opening and closing of the refrigerant water pump 23, and by the refrigerant water pump 23
Operating status feeds back to the PLC controller 14.The power supply that the three-phase ac power supply 21 provides passes through the third filtered electrical
After road 33 filters, powered by the starting controller 22 to the refrigerant water pump 23.The starting controller 22 includes exchange
Contactor, soft-sphere model device, electrothermal relay.
The PLC controller 22 is further connected with the frequency converter 12 and the unit load 15.The PLC control
Device 22 is used to control the movement of the unit load 15 and receives the signal for handling the unit load 15, the PLC controller
22 control the frequency converter 12 by CAN bus and receive the signal for handling the frequency converter 12 and providing.
Further, in the utility model embodiment, a kind of air-conditioning is additionally provided, uses above-mentioned air-conditioning cold water dispenser
Group.
In conclusion the method for supplying power to of the air conditioner cold water unit of the utility model, using it is existing by direct current width piezoelectricity and
Three-phase alternating current is respectively powered component corresponding in water cooler, simplifies the power supply structure of water cooler, reliability
Height realizes the efficient utilization of power supply energy.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of air conditioner cold water unit, which is characterized in that including direct current width piezoelectric power supplies, three-phase alternating-current supply, frequency converter, refrigerant
Water pump and PLC controller, the direct current width piezoelectric power supplies are used to power for the frequency converter and the PLC controller, and described three
Phase AC power source is used to power for the refrigerant water pump.
2. air conditioner cold water unit as described in claim 1, which is characterized in that further include the compression being connected with the frequency converter
Machine, the frequency converter are used to the DC power supply that the direct current width voltage source provides being reverse into three-phase alternating current to drive the pressure
The work of contracting machine.
3. air conditioner cold water unit as claimed in claim 2, which is characterized in that further include being connected with the PLC controller
Switching Power Supply, the DC voltage conversion that the Switching Power Supply is used to provide the direct current width voltage source is at the PLC controller
Required DC voltage supplies the PLC controller and uses.
4. air conditioner cold water unit as claimed in claim 3, which is characterized in that further include being set to the Switching Power Supply and described
The first filter circuit between direct current width voltage source.
5. air conditioner cold water unit as described in claim 1, which is characterized in that further include being set to the frequency converter and described straight
Flow the second filter circuit between width voltage source.
6. air conditioner cold water unit as described in claim 1, which is characterized in that it further include starting controller, the starting control
Device is connected with the refrigerant water pump and the PLC controller respectively, and the starting controller, which receives, comes from the PLC controller
Signal control the opening and closing of the refrigerant water pump, and the operating status of the refrigerant water pump is fed back into the PLC and is controlled
Device processed.
7. air conditioner cold water unit as claimed in claim 6, which is characterized in that further include being set to the starting controller and institute
The third filter circuit between three-phase alternating-current supply is stated, the power supply that the three-phase ac power supply provides passes through the third filtered electrical
After the filtering of road, powered by the starting controller to the refrigerant water pump.
8. a kind of air-conditioning, which is characterized in that it is used such as the described in any item air conditioner cold water units of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358700.8U CN208537970U (en) | 2018-08-22 | 2018-08-22 | A kind of air conditioner cold water unit and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358700.8U CN208537970U (en) | 2018-08-22 | 2018-08-22 | A kind of air conditioner cold water unit and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208537970U true CN208537970U (en) | 2019-02-22 |
Family
ID=65378552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821358700.8U Active CN208537970U (en) | 2018-08-22 | 2018-08-22 | A kind of air conditioner cold water unit and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208537970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931957A (en) * | 2018-08-22 | 2018-12-04 | 珠海格力电器股份有限公司 | A kind of method of supplying power to of air conditioner cold water unit, air conditioner cold water unit and air-conditioning |
-
2018
- 2018-08-22 CN CN201821358700.8U patent/CN208537970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931957A (en) * | 2018-08-22 | 2018-12-04 | 珠海格力电器股份有限公司 | A kind of method of supplying power to of air conditioner cold water unit, air conditioner cold water unit and air-conditioning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8299646B2 (en) | HVAC/R system with variable frequency drive (VFD) power supply for multiple motors | |
| US8299653B2 (en) | HVAC/R system with variable frequency drive power supply for three-phase and single-phase motors | |
| CN103684202A (en) | Motor controller having driving, charging and discharging functions | |
| CN106788038B (en) | A kind of overvoltage protective system and over-voltage protection method of no electrolytic capacitor Dual-motors Driving device | |
| CN104811023A (en) | Variable frequency air conditioner compressor counter electromotive force protection circuit | |
| US20160156289A1 (en) | Driving apparatus for an electric motor, a method for actuation thereof and a motor unit which comprises the driving apparatus | |
| CN105480109A (en) | Power supply conversion device for electric automobile and electric automobile | |
| CN208537970U (en) | A kind of air conditioner cold water unit and air-conditioning | |
| CN108931957A (en) | A kind of method of supplying power to of air conditioner cold water unit, air conditioner cold water unit and air-conditioning | |
| CN201063530Y (en) | Duplex power supply device for high voltage frequency converter control power supply | |
| EP3869110A1 (en) | Air-conditioning device, and electric energy processing method for air-conditioning device | |
| KR20130078099A (en) | Energy efficiency electric vehicle charge apparatus | |
| CN206281105U (en) | A kind of solar airconditioning based on super capacitor | |
| CN204527181U (en) | Compression air brake air supply controller and light bus | |
| CN108667311A (en) | The frequency-variable controller and air conditioner of three phase mains | |
| CN101090255A (en) | Air conditioner frequency conversion control circuit | |
| CN209818167U (en) | Energy-saving accessory system for hybrid vehicle | |
| CN103259412A (en) | Direct current boost power source for direct current boost inverter compressor | |
| CN205706074U (en) | There is the single-phase standby electricity refrigeration system of refrigerator car that sequential starts | |
| CN204438379U (en) | A kind of frequency conversion of many power based on CAN coach air conditioner | |
| CN203962358U (en) | A kind of power air compressor | |
| CN201248027Y (en) | Frequency-change air conditioner | |
| CN209381738U (en) | A kind of driving device for refrigerating machine of refrigerated truck group | |
| CN113595291A (en) | Three-phase generator with adaptive taps for use in transport climate control systems | |
| CN105692368A (en) | Scenery energy-saved elevator control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |