CN2562117Y - Terminal electric air valve and controller of central air conditioner - Google Patents
Terminal electric air valve and controller of central air conditioner Download PDFInfo
- Publication number
- CN2562117Y CN2562117Y CN 02216710 CN02216710U CN2562117Y CN 2562117 Y CN2562117 Y CN 2562117Y CN 02216710 CN02216710 CN 02216710 CN 02216710 U CN02216710 U CN 02216710U CN 2562117 Y CN2562117 Y CN 2562117Y
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- air valve
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Abstract
The utility model relates to a central-air-conditioning-end electrical air valve and a controller thereof, wherein the electrical air valve comprises an air valve seat provided with a plurality of blades, and a motor fixed on a seat frame on the back side of the air valve seat; a mechanical transmission mechanism which switches the rotation of the motor to the swing of the blades is arranged between the motor and the blades; two position switches are arranged on the two sides of the output axle of the motor, and a bumper is fixedly arranged on the output axle of the motor. The controller of the electrical air valve comprises a working state and temperature setting circuit, a temperature sampling circuit, a single chip, a display circuit, a driving circuit and a power supply circuit. In the utility model, because the motor rotates in the single direction, the motor control circuit and the mechanical structure are simple. By using the present electrical air valve and the controller thereof, the auto-regulation of room temperature can be realized according to the set temperature, saving the power of the central air conditioning host.
Description
Technical field: the utility model relates to central air conditioning equipment, specifically refers to the Electric air valve and the controller thereof of air-cooled central air conditioning equipment end.
Background technology:
Existing central air-conditioning can be divided into two kinds of air-cooled and water-cooleds substantially.Air-cooled central air-conditioning adopts blower fan by transmission pipeline cold (or warm) gas branch to be delivered to its terminal air-valve, again opening or closing by manual adjustments switch control air-valve.This control mode can not be carried out temperature and be set, and can not regulate automatically, therefore uses not ideal enough.
Summary of the invention:
The purpose of this utility model is Electric air valve and the controller thereof that proposes a kind of air-cooled central air conditioning equipment end, this Electric air valve combines with controller, can control the unlatching of air outlet or close and regulate indoor temperature according to design temperature, thereby realize the setting of room temperature and regulate automatically.
The utility model comprises terminal Electric air valve of central air-conditioning and controller thereof.
The terminal Electric air valve of described central air-conditioning comprises the air valve seat of taking the air port out of, is provided with some wind pages or leaves of closing or opening air outlet in this air valve seat, and it is characterized in that: the dorsal part at air valve seat sets firmly a mounting, and a motor is fixed on this mounting; Between motor and wind page or leaf, be provided with the toggle of one group of page or leaf swing of the rotation conversion of motor can being become a common practice; In the motor output shaft both sides or described toggle both sides be provided with two position switch, on the relevant position of motor output shaft or described toggle, be installed with a collision block.
When described collision block touched certain position switch, this position switch disconnected, and when this collision block touches one of them position switch, corresponding air outlet closed condition, when collision block touches another position switch, corresponding air outlet opening.
The motion of described motor is controlled by a circuit for controlling motor.In this circuit for controlling motor, cross-over connection was between the phase line and the neutral conductor of 220V after motor and absorbed capacitances in series, article two, branch road is in parallel with described absorption electric capacity, wherein branch road A is the moving together contact of a relay and the series circuit of a position switch, and branch road B is the break contact of described relay and the series circuit of another position switch.
The controller of described Electric air valve comprises at least: a duty and temperature setting circuit, a temperature sampling circuit, a single-chip microcomputer, a display circuit, one drive circuit and power circuit, more than all circuit all place an insulation machine box, and realize being electrically connected with Electric air valve.
Described single-chip microcomputer should have arithmetic unit and memory, A/D converter at least, comparator, data output and control signal output.
Described duty and temperature setting circuit are provided with a refrigerating/heating working mode selection button " H/C " at least, a "+" button and one "-" button.The output of described duty and temperature setting circuit and temperature sampling circuit inserts the input of single-chip microcomputer.
Described display circuit adopts the LCD of band decoding circuit, can show sample temperature, design temperature and mode of operation, and its input links to each other with the DOL Data Output Line of described single-chip microcomputer.
Described drive circuit is a transistor switching circuit that controlled by the single-chip microcomputer output signal, and its load is a relay, and one pair of transfer contact of this relay is connected in the control circuit of motor.
The utility model adopts brushless single phase band decelerator motor, and motor only needs unidirectional rotation, and toggle just can open or close air outlet, so circuit for controlling motor and frame for movement are very simple.Adopt terminal Electric air valve of air-cooled central air-conditioning of the present utility model and controller thereof, can carry out temperature and set, in case after temperature is set, just can realize the automatic adjusting of temperature.When certain room time spent not, air outlet is closed fully, can reduce the consumption of central air conditioner main machine power.
Description of drawings:
Fig. 1 is the front view of an embodiment of Electric air valve of the present utility model;
Fig. 2 is the schematic perspective view (backsight) of Fig. 1;
Fig. 3 is the control circuit schematic diagram of the motor of the foregoing description;
Fig. 4 is the electrical schematic diagram of the controller of Electric air valve of the present utility model.
Among the figure: 1 air valve seat, 2 air outlets, 3 wind pages or leaves, 4 wind page or leaf seats, 5 mountings, 6 motors, 7 motor output shafts, 8 cranks, 9 connecting rods, 10 gangbar, 11 collision blocks, S1, S2 position switch, 101 duties and temperature setting circuit, 102 temperature sampling circuits, 103 single-chip microcomputers, 104 display circuits, 105 drive circuits, 106 power circuits.
The specific embodiment:
The utility model comprises terminal Electric air valve of central air-conditioning and controller thereof.
An embodiment of the terminal Electric air valve of central air-conditioning of the present utility model as shown in Figure 1 and Figure 2.As seen from the figure, described Electric air valve, comprise that one has the air valve seat 1 of air outlet 2, be provided with some wind pages or leaves 3 of closing or opening air outlet 2 in this air valve seat, dorsal part at air valve seat 1 is provided with a mounting 5 that is fixed on the air valve seat 1, one motor 6 is fixed on this mounting, and this motor adopts the brushless single phase motor of band decelerator, and the back rotating speed that slows down is about per minute 1-3 to be changeed; Have one with described each wind page or leaf mutually pivot connect the gangbar 10 can make each wind page or leaf 3 synchronous movement; Between motor 6 and wind page or leaf gangbar 10, be provided with a set of bell cranks linkage, promptly on motor output shaft 7, fix a crank 8, this crank and a connecting rod 9 pivots connect, and the other end of this connecting rod then connects with described gangbar 10 pivots; In motor output shaft 7 both sides (also can in described crank 8 or connecting rod 9 both sides), be provided with two position switch S1, S2, be installed with a collision block 11 at motor output shaft 7 (or on relevant position of described crank 8 or connecting rod 9), when motor output shaft 7 (or described toggle) turned round, described collision block 11 can successively touch two position switch.When collision block 11 touched certain position switch, this position switch disconnected.When collision block touches one of them position switch (as S2), corresponding air outlet closed condition, when collision block touches another position switch (as S1), corresponding air outlet opening.
A kind of connected mode of the control circuit of motor 6 is: after an absorption capacitor C and motor 6 windings in series, span between 220V phase line of power L and the neutral conductor N, two branch circuits in parallel at the capacitor C two ends, branch road A is composed in series by the moving together contact K1 and the position switch S1 of relay K, and branch road B is composed in series by the break contact K2 and the position switch S2 of relay K.
The operation principle of this control circuit is as follows:
During original state, wind page or leaf 3 is in the closed position, and collision block 11 just contacts with position switch S2, and position switch S2 disconnects, and branch road B is obstructed; Though this moment, S1 connected, because of relay moving together contact K1 disconnects, so branch road A is also obstructed, does not change (referring to Fig. 3 A) so motor is static.
When room temperature and design temperature were inconsistent, single-chip microcomputer made the relay K adhesive, and its moving together contact K1 connects, and branch road A is logical, and motor gets electric rotation, and collision block 11 leaves position switch S2, and S2 connects (referring to Fig. 3 B), along with the rotation air outlet of wind page or leaf 3 is slowly opened; Collision block 11 in-position switch S 1 position then, and position switch S1 disconnected, motor outage stall (referring to Fig. 3 C), this moment, the wind page or leaf just was in the whole open positions of air outlet, and central air-conditioning carries out adjustment to indoor air-supply.
When room temperature was identical with design temperature, single-chip microcomputer discharged relay K, and its break contact K2 connects, and branch road B is logical, and motor gets electric rotation, and collision block 11 leaves position switch S1, and S1 connects (referring to Fig. 3 D), and air outlet is slowly closed simultaneously; Collision block 11 in-position switch S 2 positions then disconnect position switch S2, the motor stall (referring to Fig. 3 A) of cutting off the power supply once more, and this moment, the wind page or leaf was in the closed position once more, and central air-conditioning is no longer to indoor air-supply.
As mentioned above, when room temperature and design temperature were inconsistent, air outlet was opened, and carries out adjustment; Be adjusted to room temperature when consistent with design temperature, air outlet is closed, and stops adjustment room temperature and design temperature are reached unanimity.
The controller of Electric air valve of the present utility model comprises a duty and temperature setting circuit 101, a temperature sampling circuit 102, a single-chip microcomputer 103, a display circuit 104, one drive circuit 105 and power circuit 106 at least, sees Fig. 4.More than all circuit all place an insulation machine box, and realize being electrically connected with Electric air valve.This machine box can be arranged on the wall that needs in the tempering room.
Wherein duty and temperature setting circuit 101 comprise the level input circuit of the refrigerating/heating state selector button " H/C ", the "+" button and three the microswitches compositions of "-" button that are located on the machine box panel at least, and its output links to each other with the input of single-chip microcomputer 103; Temperature sampling circuit 102 adopts the thermistor sampling, and the output of sampled signal links to each other with single-chip microcomputer 103 inputs; Single-chip microcomputer 103 adopts 8 chip microprocessors, and singlechip technology is widely adopted at present, at least arithmetic unit and memory, A/D converter should be arranged in this single-chip microcomputer, comparator, data output and control signal output; Display circuit 104 adopts the LCD of band decoding circuit, can show sample temperature, design temperature and mode of operation, and its input links to each other with the data wire of single-chip microcomputer; Drive circuit 105 is a transistor switching circuit that controlled by single-chip microcomputer 103 output signals, and its load is a relay K, and one pair of transfer contact K1, K2 of relay K are connected in the control circuit of motor; Power circuit 106 can adopt the DC power supply circuit of known step-down, rectification, filtering, voltage stabilizing, provides required working power to the controller each several part.
The operation principle of this controller is: temperature setting signal is based on default value default in the single-chip microcomputer, reaching "+" or "-" button with working method button " H/C " sets, setting value input single-chip microcomputer, room temperature is taken out by temperature sampling circuit, change, compare through Chip Microcomputer A/D with setting value, export a control signal, simultaneously display setting temperature value, house temperature and working method pattern on display circuit 104; The control signal of output, through the described relay K of drive circuit 105 controls, and then the work of control motor circuit, realize opening and closing control of wind page or leaf 3.
Its concrete course of work is: when the difference of room temperature and design temperature＞threshold value, and single-chip microcomputer output low level, relay K adhesive, the A branch road is logical, and motor 6 begins to rotate, and opens fully until air outlet, motor stops operating, and central air-conditioning begins to carry out adjustment to indoor cold (or warm) gas that send; When the difference of room temperature and design temperature＜threshold value, single-chip microcomputer output high level, relay K discharges, and the B branch road is logical, and motor 6 begins again to rotate, and closes fully until wind page or leaf 3, stops adjustment; Regulate so repeatedly, make ambient-temp-stable at last near setting value.
Claims (4)
1. the terminal Electric air valve of central air-conditioning comprises the air valve seat of taking the air port out of, is provided with some wind pages or leaves of closing or opening air outlet in this air valve seat, it is characterized in that:
Dorsal part at air valve seat sets firmly a mounting, and a motor is fixed on this mounting;
Between motor and wind page or leaf, be provided with the toggle of one group of page or leaf swing of the rotation conversion of motor can being become a common practice;
In the motor output shaft both sides or described toggle both sides be provided with two position switch, on the relevant position of motor output shaft or described toggle, be installed with a collision block that can disconnect described position switch successively.
2. Electric air valve according to claim 1, the structure that it is characterized in that described toggle is: be installed with a crank on motor output shaft, one end of this crank and connecting rod pivot mutually connects, the other end of this connecting rod and a wind page or leaf gangbar pivot mutually connect, and the wind page or leaf seat on this gangbar and each wind page or leaf is pivot company mutually.
3. Electric air valve according to claim 1, it is characterized in that also having the circuit for controlling motor of the described motor movement of a control, in this circuit for controlling motor, cross-over connection was between the 220V phase line of power and the neutral conductor after motor and absorbed capacitances in series, in parallel with described absorption electric capacity by two branch roads-branch road A that a pair of transfer contact K1, K2 of a relay is connected with branch road B, wherein branch road A is the moving together contact of a relay and the series circuit of position switch S1, and branch road B is the break contact of described relay and the series circuit of position switch S2.
4. the controller of an Electric air valve according to claim 1, mainly by insulation machine box and be located at control circuit in the machine box, drive circuit is formed, it is characterized in that described control circuit is a chip microprocessor, also comprise a duty and temperature setting circuit in addition, one temperature sampling circuit, one display circuit and a power circuit, described duty and temperature setting circuit are provided with refrigerating/heating working mode selection button " H/C " at least, adjust button "+" and "-", and be connected with the input of described single-chip microcomputer, described display circuit adopts the LCD of band decoding circuit, also be connected with described single-chip microcomputer, described drive circuit is a transistor switching circuit by the control of single-chip microcomputer output signal, its load is a relay K, the transfer contact K1 of this relay K, K2 is connected to the circuit for controlling motor of described Electric air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216710 CN2562117Y (en) | 2002-04-10 | 2002-04-10 | Terminal electric air valve and controller of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02216710 CN2562117Y (en) | 2002-04-10 | 2002-04-10 | Terminal electric air valve and controller of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2562117Y true CN2562117Y (en) | 2003-07-23 |
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ID=33695661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02216710 Expired - Fee Related CN2562117Y (en) | 2002-04-10 | 2002-04-10 | Terminal electric air valve and controller of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2562117Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196431A (en) * | 2016-07-04 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioner air duct control system, method and device |
-
2002
- 2002-04-10 CN CN 02216710 patent/CN2562117Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196431A (en) * | 2016-07-04 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioner air duct control system, method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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 |