CN205641362U - Frequency converting control device of central air conditioner - Google Patents

Frequency converting control device of central air conditioner Download PDF

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Publication number
CN205641362U
CN205641362U CN201620320182.5U CN201620320182U CN205641362U CN 205641362 U CN205641362 U CN 205641362U CN 201620320182 U CN201620320182 U CN 201620320182U CN 205641362 U CN205641362 U CN 205641362U
Authority
CN
China
Prior art keywords
central air
frequency
control unit
control device
water pump
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.)
Expired - Fee Related
Application number
CN201620320182.5U
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Chinese (zh)
Inventor
吕永刚
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.)
Guangdong Xinhe Electromechanical Engineering Co Ltd
Original Assignee
Guangdong Xinhe Electromechanical Engineering Co 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 Guangdong Xinhe Electromechanical Engineering Co Ltd filed Critical Guangdong Xinhe Electromechanical Engineering Co Ltd
Priority to CN201620320182.5U priority Critical patent/CN205641362U/en
Application granted granted Critical
Publication of CN205641362U publication Critical patent/CN205641362U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a frequency converting control device of central air conditioner belongs to electrical apparatus control technical field. The purpose provides a degree of automation height, complete function, can ensure the frequency converting control device of central air conditioner of the energy -conserving operation of central air -conditioning system safety, including the cabinet body and control system, be equipped with the cabinet door on the cabinet body, be equipped with display screen and vent on the cabinet door, control system includes main control unit, the water pump motor frequency control unit, fan motor frequency control unit, the carbon dioxide sensor, pressure sensor, static pressure sensor, water pump motor monitor cell, fan motor monitor cell, a weighing sensor and a temperature sensor, main control unit connects the water pump motor frequency control unit respectively, fan motor frequency control unit, the carbon dioxide sensor, pressure sensor, static pressure sensor, water pump motor monitor cell, fan motor monitor cell, a weighing sensor and a temperature sensor, a display screen. The utility model discloses a variable frequency control cabinet is suitable for various large central air conditioner systems to be used.

Description

A kind of central air-conditioning frequency-converting control device
Technical field
The utility model discloses a kind of central air-conditioning frequency-converting control device, belong to electrical equipment automatic control technology Field.
Background technology
For Large Central Air Conditioning System system, frequency-conversion control cabinet is one of requisite equipment, frequency conversion Switch board realizes the properly functioning of air-conditioning and Energy Saving Control by controlling the electric machine frequency of water pump and blower fan, In actual use, the switch board of water pump and blower fan is all provided separately, and in each switch board The control realized is all the simple operation improved or reduce electric machine frequency, it is impossible to according to actual operating conditions Being adjusted, automaticity is low, along with computer technology and the progress of network technology, in it is desirable to The frequency-converting control device of centre air-conditioning can be with integrated more function, it is achieved optimum energy-conserving and environment-protective control and carry The ability of high automatic operating.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to be to provide a kind of automatization Degree is high, multiple functional, it can be ensured that the central air-conditioning frequency conversion control that central air conditioner system energy-saving safe runs Device processed, including cabinet and control system, cabinet is provided with cabinet door, and cabinet door is provided with display screen and ventilation Mouthful, described control system includes master controller, pump motor frequency control unit, blower motor frequency control Unit processed, carbon dioxide sensor, pressure transducer, static pressure transducer, pump motor monitoring means, Blower motor monitoring means, temperature sensor, described master controller connects pump motor FREQUENCY CONTROL respectively Unit, blower motor frequency control unit, carbon dioxide sensor, pressure transducer, static pressure transducer, Pump motor monitoring means, blower motor monitoring means, temperature sensor, display screen.
Further, described master controller is single-chip microcomputer.
Further, described display screen is liquid crystal touch control screen.
Further, described temperature sensor quantity is more than 3, at water pump cooling water inlet, water pump Respectively arrange 1 at coolant outlet, arrange more than 1 at user side.
Further, described pump motor monitoring means and blower motor monitoring means all include current sample Circuit, voltage sampling circuit, motor speed sample circuit.
Further, described control system also includes communication unit and host computer, and communication unit connects master control Device processed, communication unit is connected with upper machine communication.
In sum, the beneficial effects of the utility model are: a kind of central air-conditioning frequency conversion of the present utility model Control device, by the improvement of control system, be integrated with more function, it is possible to according to water pump Inlet and outlet water Temperature, user side temperature, water pump cooling water outlet pipe road pressure, actively airduct static pressure, user side dioxy Change the actual conditions such as concentration of carbon and automatically adjust electric machine frequency, it is ensured that maximum limit on the premise of system stable operation That spends achieves energy-conserving and environment-protective, it is also possible to monitor motor operating state in real time, it is ensured that security of system operates. Frequency-conversion control cabinet of the present utility model is suitable for various Large Central Air Conditioning System system and uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of central air-conditioning frequency-converting control device;
Fig. 2 is the schematic diagram of control system in this utility model.
In figure, 1, cabinet, 2, cabinet door, 3, display screen, 4, vent, 5, master controller, 6, Pump motor frequency control unit, 7, blower motor frequency control unit, 8, carbon dioxide sensor, 9, Pressure transducer, 10, static pressure transducer, 11, pump motor monitoring means, 12, blower motor monitoring Unit, 13, temperature sensor, 14, communication unit, 15, host computer.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is further described:
As shown in Figure 1 and Figure 2, a kind of central air-conditioning frequency-converting control device, including cabinet 1 and control system System, cabinet 1 is provided with cabinet door 2, and cabinet door 2 is provided with display screen 3 and vent 4, and control system includes Master controller 5, pump motor frequency control unit 6, blower motor frequency control unit 7, carbon dioxide Sensor 8, pressure transducer 9, static pressure transducer 10, pump motor monitoring means 11, blower motor Monitoring means 12, temperature sensor 13, master controller 5 connect respectively pump motor frequency control unit 6, Blower motor frequency control unit 7, carbon dioxide sensor 8, pressure transducer 9, static pressure transducer 10, Pump motor monitoring means 11, blower motor monitoring means 12, temperature sensor 13, display screen 3.
Vent 4 forms air flow passage with the fan in cabinet 1, reduces the temperature of frequency conversion tank, main Controller 5 is core work unit, pump motor frequency control unit 6, blower motor FREQUENCY CONTROL list Unit 7 is arranged in cabinet 1, realizes blower motor and pump motor by converter and control circuit VFC, it is indoor that carbon dioxide sensor 8 is arranged on user side, is used for detecting indoor carbon dioxide and contains Amount, provides for master controller 5 and controls foundation, and pressure transducer 9 is placed on water pump cooling water outlet pipe road End, is used for monitoring hydraulic pressure, and static pressure transducer 10 is placed in the main ajutage of blower fan, is used for monitoring static pressure, Pressure transducer 9 and static pressure transducer 10 are all the effects playing guarantee equipment safe handling,
Preferably, master controller 5 is to realize based on microcomputer development, and master controller 5 is arranged on cabinet 1 In.
Preferably, display screen 3 is liquid crystal touch control screen.Operator obtain equipment fortune from liquid crystal touch control screen Row information, it is possible to realize manual touch screen and control.
Preferably, temperature sensor 13 quantity is more than 3, in water pump cooling water inlet, water pump cooling Respectively arrange 1 at water out, be used for measuring water temperature, arrange more than 1 at user side, be used for measuring respectively The indoor temperature of individual user side.
Preferably, pump motor monitoring means 6 and blower motor monitoring means 7 all include current sample electricity Road, voltage sampling circuit, motor speed sample circuit, for real-time sampling electric current, voltage and motor Rotating speed, pump motor monitoring means 6 and blower motor monitoring means 7 gather motor running parameter, once When occurring abnormal, master controller 5 will cut off the operation of motor in time.
Preferably, control system also includes communication unit 14 and host computer 15, and communication unit 14 connects main Controller 5, communication unit 14 is connected with host computer 15 communication.Communication modes can be that cable network connects Or wireless network connects, the operator for master control room provide long-range operating condition.
This novel switch board is integrated with multiple running state of air conditioner parameter and data, carries for automatic operating Supply to ensure, with the safe operation of safeguards system, and can accomplish on the premise of steady running simultaneously Energy-conserving and environment-protective.
For a person skilled in the art, can be made other according to above technical scheme and design Various corresponding changes and deformation, and all these changes and deformation all should belong to this utility model Within scope of the claims.

Claims (6)

1. a central air-conditioning frequency-converting control device, including cabinet and control system, cabinet is provided with cabinet door, Cabinet door is provided with display screen and vent, it is characterised in that described control system includes master controller, water Pump motor frequency control unit, blower motor frequency control unit, carbon dioxide sensor, pressure sensing Device, static pressure transducer, pump motor monitoring means, blower motor monitoring means, temperature sensor, institute State master controller and connect pump motor frequency control unit, blower motor frequency control unit, dioxy respectively Change carbon sensor, pressure transducer, static pressure transducer, pump motor monitoring means, blower motor monitoring Unit, temperature sensor, display screen.
Central air-conditioning frequency-converting control device the most according to claim 1, it is characterised in that described master Controller is single-chip microcomputer.
Central air-conditioning frequency-converting control device the most according to claim 1, it is characterised in that described aobvious Display screen is liquid crystal touch control screen.
Central air-conditioning frequency-converting control device the most according to claim 1, it is characterised in that described temperature Degree number of sensors is more than 3, respectively arranges 1 at water pump cooling water inlet, water pump coolant outlet Individual, arrange more than 1 at user side.
Central air-conditioning frequency-converting control device the most according to claim 1, it is characterised in that described water Pump motor monitoring means and blower motor monitoring means all include current sampling circuit, voltage sampling circuit, Motor speed sample circuit.
Central air-conditioning frequency-converting control device the most according to claim 1, it is characterised in that described control System processed also includes communication unit and host computer, and communication unit connects master controller, and communication unit is with upper Machine communication connects.
CN201620320182.5U 2016-04-15 2016-04-15 Frequency converting control device of central air conditioner Expired - Fee Related CN205641362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620320182.5U CN205641362U (en) 2016-04-15 2016-04-15 Frequency converting control device of central air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620320182.5U CN205641362U (en) 2016-04-15 2016-04-15 Frequency converting control device of central air conditioner

Publications (1)

Publication Number Publication Date
CN205641362U true CN205641362U (en) 2016-10-12

Family

ID=57064328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620320182.5U Expired - Fee Related CN205641362U (en) 2016-04-15 2016-04-15 Frequency converting control device of central air conditioner

Country Status (1)

Country Link
CN (1) CN205641362U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089259A (en) * 2021-03-18 2021-07-09 创维电器股份有限公司 Three-in-one full-direct-current variable frequency drive integrated control system in washing machine and control method thereof
CN116817429A (en) * 2022-09-28 2023-09-29 南方科技大学 Equipment control method, device, control equipment and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089259A (en) * 2021-03-18 2021-07-09 创维电器股份有限公司 Three-in-one full-direct-current variable frequency drive integrated control system in washing machine and control method thereof
CN116817429A (en) * 2022-09-28 2023-09-29 南方科技大学 Equipment control method, device, control equipment and storage medium

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161012

Termination date: 20210415

CF01 Termination of patent right due to non-payment of annual fee