CN2332947Y - Frequency conversion fan coiler - Google Patents

Frequency conversion fan coiler Download PDF

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Publication number
CN2332947Y
CN2332947Y CN 98210997 CN98210997U CN2332947Y CN 2332947 Y CN2332947 Y CN 2332947Y CN 98210997 CN98210997 CN 98210997 CN 98210997 U CN98210997 U CN 98210997U CN 2332947 Y CN2332947 Y CN 2332947Y
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CN
China
Prior art keywords
frequency conversion
air
heat exchanger
axial flow
flow blower
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
CN 98210997
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Chinese (zh)
Inventor
潘佩昌
Original Assignee
潘佩昌
王莉君
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 潘佩昌, 王莉君 filed Critical 潘佩昌
Priority to CN 98210997 priority Critical patent/CN2332947Y/en
Application granted granted Critical
Publication of CN2332947Y publication Critical patent/CN2332947Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a pipe coiling machine for a frequency conversion fan. After information collected by a temperature sensor (18) and temperature value set by the temperature sensor (18) are treated by a water stream control circuit (13) and a frequency conversion inverted power supply controlled by a single board computer, a fan (15) respectively works proportionally to corresponding air quantity, the opening degree of an electric water gate valve (17) and corresponding water flow. Air is sucked in from an air inlet (20) of a heat insulating casing (19) with a multilayer structure and is outputted through an air outlet (21) after heat exchange is completed through a heat exchanger (16). Consequently, the utility model automatically and conveniently regulates air quantity and water flow quantity and reduces energy consumption according to setting temperature.

Description

A kind of frequency conversion fan coiler
The utility model relates to air-treatment fan coil aspect.Especially the stepless variable air rate of forming according to the electric gate valve of the shell that constitutes by the little blower fan of axial flow of single-phase micro-machine transmission, the heat exchanger that has the coil-type of water inlet pipe and water outlet pipe, the multilayer heat insulation that has air ports and metal material, monolithic processor controlled single-phase frequency conversion inverter and control discharge, the fan coil of discharge.
Be used for industry, the commercially available fan coil in life aspect at present, as the central air-conditioning end of adjustable air temperature height.The major technique feature is: rotating speed can not partly be assembled to join from the little blower fan of axial flow of self-regulating monophase machine transmission, the heat exchanger that has water inlet pipe and water outlet pipe, the multilayer heat insulation that has air ports and metal material formation shell etc. continuously and form.Purpose is achieved like this: the little blower fan of single-phase civil power and single-phase axial flow is connected, axial flow blower sucks air from air inlet after, and carried out heat exchange through the heat exchanger of coil-type, if flowing through heat exchanger is cold water, then hot-air just is cooled; If flowing through heat exchanger is hot water, then air just is heated; Be cooled or heat after the processing air deliver to the space of use through air outlet.Single-phase axial flow blower, coil-type heat exchanger are installed to and are both played mechanical fixation, play again in the shell of air conducting.Its existing problem is: the rotating speed of high, medium and low third gear switch box Control Shaft flow fan also is an air quantity, the current solenoid control switch that also has the open and close state in this switch enclosure; Control the refrigeration or the heating capacity of fan coil according to this, can't air quantity, the water yield be carried out rational proportion control by the required refrigerating capacity in outside.Therefore, have power consumption greatly, temperature-controlled precision is poor, and automatization level is poor.
A kind of frequency conversion fan coiler provided by the utility model, it can be under software control, and axial flow blower, electronic Water gate valve that single-chip microcomputer, sensor, the single-phase frequency conversion inverter that advances are driven carry out proportion control to air quantity, discharge jointly.Allow the refrigeration of fan coil or heating capacity and energy consumption under the mode of optimum, move, make air quantity stepless adjustable, cut down the consumption of energy the automatization level height simultaneously
In order to solve above-mentioned task, the scheme that the utility model adopted is: be installed in the electrical appliance part in the sandwich construction lagging casing, closed-loop control device with monolithic processor controlled single-phase frequency conversion inverter, temperature sensor, axial flow blower, electric stream control valve form replaces common general three speed switch, the magnetic valve of on off operating mode.Purpose is achieved like this: after powering on, and after the temperature information analytical calculation of single-chip microcomputer with the sensor collection, the output two path control signal.Wherein the frequency conversion inverter is controlled in one tunnel output, and the frequency conversion inverter is given the axial flow blower soft start that has the short-circuited conducting sleeve starter motor, reaches to the pairing rotating speed of setting of air quantity.The control signal of another road output is given the stepper motor of control discharge gate valve, makes the flow of discharge gate valve and two parameters of air quantity correspond to desired temperature.Heat exchange section is that the blinds heat exchanger is installed in the interior air inlet place of sandwich construction lagging casing; Electric stream amount gate valve also is mounted in the enclosure, and the water inlet end of one end and heat exchanger links to each other, and the other end stretches out shell to be convenient to outward link to each other with water inlet pipe.During through monolithic processor controlled electric flow gate valve, enter heat exchanger as cold water or flow of hot water, after the heat exchanger heat exchange, link to each other to hold to get back in heat or the low-temperature receiver with the outer return pipe of shell by another of heat exchanger and go.The axial flow blower rotation inhaled air of control air quantity is cooled when flowing through heat exchanger or is heated, the air outlet discharge of the air of heating or cooling through the multiple layer heat insulation structure shell.
Above-mentioned frequency conversion inverter, it is earlier ripple to be considered in the single-phase commercial power rectification of AC220V/50HZ or AC110V/60HZ to become direct current, the both positive and negative polarity of dc source has overcurrent, overvoltage, undervoltage detector spare respectively, power pushing circuit connects a converting capacitor by two transistorized inter-collectors, the collection utmost point of two transistor links to each other with an end of two windings of motor respectively, and the other end of two windings links to each other with positive supply respectively.And electric current reduces electric current, voltage to transistorized impact to the inductance coil of the rate of change of time when two transistorized colelctor electrodes are also connected the inhibition change of current respectively.The basis set of two transistor respectively with linked to each other by monolithic processor controlled drive circuit, when single-chip microcomputer sends the frequency action command, drive circuit is exported the driving switch signal of suitable power merit, make two transistor alternate conduction, allow two windings of motor feed electric current in turn, positive-negative polarity alternately appears in the two ends of converting capacitor, forms to have the motor rotation that short circuit starts ring, on the axle of motor axial-flow leaf is housed, i.e. axial flow blower.
Certainly, by above-mentioned frequency conversion inverter circuit, control circuit, also can utilize frequency conversion inversion, the control circuit of alternate manner to carry out to air quantity, discharge control.
From above-mentioned frequency conversion fan coiler, it has according to the required air quantity of temperature, the two stepless automatic adjustings of parameter of discharge, saves energy consumption, the characteristics that automaticity is high.
Be described further below in conjunction with drawings and Examples.
Accompanying drawing 1: fan coil electrical block schematic diagram.
Accompanying drawing 2: fan coil structural representation.
Semiconductor bridge-type rectifying block (1) in the accompanying drawing 1 becomes direct current to the alternating current of AC220V/50HZ or AC110V/60HZ, by exporting after filter condenser (2) filtering; Sensor in the accompanying drawing 2 (18) sends the signal of gathering to single-chip microcomputer (7), immediately send frequency order and give drive circuit (10), the signal of drive circuit (10) output corresponding frequencies, certain power alternately turn-offs transistor (9), (11), cause and obtain the alternately electric current of rule variation in motor winding (4), (6), two ends positive-negative polarity at backflow capacitor (5) alternately changes, make the short circuit that has in the accompanying drawing 2 start the motor rotation that encircles (backflow capacitor and winding constitute the electric of short circuit starter motor), the i.e. rotation of axial flow blower.The speed of being rotated equates with setting value.Single-chip microcomputer (7) is also exported to circuit (12) signal of control electric stream valve, makes the electric stream valve identical with corresponding airflow value discharge control.Electric current reduced electric current to transistorized impact to the rate of change of time when coil L01, the L02 that is connected on two colelctor electrodes was used for reducing to reflux capacitor charging/discharging.After overcurrent, overvoltage, undervoltage detector spare (3) were given circuit (8) processing with detection signal, the one tunnel middle fracture of giving single-chip microcomputer (7) forced output to be interrupted, and another road is exported to drive circuit (10) shutoff driving and exported.Singlechip interruption output simultaneously will output signal to electric stream valve stepping motor control circuit (12), turn-off (17) in the electric stream valve accompanying drawing 2; Circuit (12) also outputs signal to (14) in the solid-state relay accompanying drawing 2, cuts off the ac power supply loop of accompanying drawing 1.
In the accompanying drawing 2, when giving single-chip microcomputer (7) the input starting-up signal in the accompanying drawing 1, control circuit (12) makes solid-state relay (14) conducting, allow AC power and accompanying drawing 1, it is (13) connection in the accompanying drawing 2, be installed in the lagging casing (19) of sandwich construction, and be positioned at from airintake direction and see that blower fan (15) rotation at the rear portion of heat exchanger (16), dynamoelectric water valve (17) open.Cold water or flow of hot water are crossed when being positioned at the heat exchanger (16) that air inlet (20) locates, and the air that is inhaled into from air inlet (20) transfers out through air outlet (21) after heat exchanger (16) is finished heat exchange.
Certainly, also can imitate, utilize frequency conversion inversion, the control circuit of alternate manner, make the stepless automatic adjusting of air quantity, discharge of fan coil according to the needs of temperature by above-mentioned frequency conversion inverter circuit, control circuit.

Claims (2)

1. frequency conversion fan coiler, in the sandwich construction heat-insulating housing and the civil power axial flow blower, heat exchanger, the electric stream gate valve that directly are electrically connected constitute, it is characterized in that: civil power is through frequency conversion inverter (13) and axial flow blower electrical connection; Heat exchanger (16) is positioned at the air inlet (20) of the lagging casing (19) of sandwich construction to be located, and axial flow blower is positioned at the rear portion of seeing the heat exchanger (16) of shell (19) from airintake direction; Electric stream valve (17) also is installed in the shell (19); The water inlet pipe and water outlet pipe of heat exchanger stretches out the external of shell (19); Temperature sensor (18) is installed in air inlet (20) and locates.
2. a kind of frequency conversion fan coiler according to claim 1, it is characterized in that: the motor winding (4) of single-phase axial flow blower (15), an end of (6) insert a side of frequency conversion inverter (13) dc source jointly, the other end of motor winding (4), (6) is connected on coil (L01), (L02) on semiconductor power pipe (9), (11) colelctor electrode respectively; The two ends of converting capacitor (5) are connected across motor winding (4), put with coil (L01), (L02) corresponding two companies of joining (6); The base stage of two semiconductor power tubes is controlled by the frequency signal that single-chip microcomputer (7) is sent.
CN 98210997 1998-01-31 1998-01-31 Frequency conversion fan coiler Expired - Fee Related CN2332947Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98210997 CN2332947Y (en) 1998-01-31 1998-01-31 Frequency conversion fan coiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98210997 CN2332947Y (en) 1998-01-31 1998-01-31 Frequency conversion fan coiler

Publications (1)

Publication Number Publication Date
CN2332947Y true CN2332947Y (en) 1999-08-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98210997 Expired - Fee Related CN2332947Y (en) 1998-01-31 1998-01-31 Frequency conversion fan coiler

Country Status (1)

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CN (1) CN2332947Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9702578B2 (en) 2008-07-11 2017-07-11 Kabushiki Kaisha Toshiba Air conditioning control system for controlling outside air control and return air control of air conditioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9702578B2 (en) 2008-07-11 2017-07-11 Kabushiki Kaisha Toshiba Air conditioning control system for controlling outside air control and return air control of air conditioning system

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee