CN207050171U - A kind of central air-conditioning quantity regulating device - Google Patents
A kind of central air-conditioning quantity regulating device Download PDFInfo
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- CN207050171U CN207050171U CN201720899454.6U CN201720899454U CN207050171U CN 207050171 U CN207050171 U CN 207050171U CN 201720899454 U CN201720899454 U CN 201720899454U CN 207050171 U CN207050171 U CN 207050171U
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Abstract
The utility model discloses a kind of central air-conditioning quantity regulating device, its drip irrigation device is to include air outlet, air supply duct and air diffuser, and air outlet connects with air supply duct, in addition to temperature sensing circuit, by indoor temperature compared with preset temperature；Control circuit, the temperature signal sent according to temperature sensing circuit, which is sent, increases wind number or checking signal；Air quantity adjusting mechanism, increase the air quantity of wind number or the increase of checking signal behavior or reduction through air supply duct discharge air diffuser according to what control circuit was sent；Temperature sensing circuit detects to the temperature of interior, when indoor temperature is more than or less than preset value, control circuit is sent to air quantity adjusting mechanism increases wind number or checking signal, air quantity adjusting mechanism is increased or reduced the operation of the air quantity through air supply duct discharge air diffuser, the air quantity flowed out according to the temperature adjustment of interior from air diffuser, improve the comfort of user.
Description
Technical field
Field of air conditioning is the utility model is related to, more specifically, it relates to a kind of central air-conditioning quantity regulating device.
Background technology
As people require more and more higher to the air quality and comfort level of work and living environment so that central air-conditioning system
System is able to extensive use.
But in central air-conditioning supply air system, although existing technology can efficiently solve user to fresh air or air-supply
The comfort level requirement of ventilation, but when meeting several rooms of different sizes using central air-conditioning supply air system, now generally set
Meter and the method for construction debugging are to carry out blowing debugging according to least favorable condition and fix the size of air-supply air quantity, therefore, center
Air-conditioning operationally, fix by air output.
Like this, for the temperature change in different rooms, due to effective air-supply adjustment can not be realized, portion is caused
Point room is larger with envisioning temperature difference, and user is poor for the usage experience of central air-conditioning.
Utility model content
The purpose of this utility model is to provide a kind of central air-conditioning quantity regulating device, has and is adjusted according to the temperature in room
The advantages of air quantity that section flows out from air diffuser.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of air quantity of central air conditioner
Adjusting means, including air outlet, air supply duct and air diffuser, the air outlet are connected with air supply duct, and the air diffuser is set
In the tail end of air outlet, in addition to：
Temperature sensing circuit, by indoor temperature compared with preset temperature, and send corresponding temperature signal；
Control circuit, the temperature signal sent according to temperature sensing circuit, which is sent, increases wind number or checking signal；
Air quantity adjusting mechanism, the air quantity adjusting mechanism are arranged at air outlet, and the air quantity adjusting mechanism is according to control
What circuit was sent increases wind number or the increase of checking signal behavior or reduces the air quantity that air diffuser is discharged through air supply duct.
By using above-mentioned technical proposal, Central air-conditioning unit is blown to air supply duct, and air outlet is provided with room,
Wind in air supply duct flows to interior through air outlet from air diffuser, and to adjust indoor temperature, and air diffuser makes flow direction interior
Wind evenly, improves the comfort of user, while temperature sensing circuit detects to the temperature of interior, and and preset temperature
Value is compared, and sends corresponding temperature signal to control circuit, and when indoor temperature is more than preset value, control circuit is aweather
Amount governor motion, which is sent, increases wind number, and air quantity adjusting mechanism is increased the operation of the air quantity through air supply duct discharge air diffuser,
When indoor temperature is less than preset value, control circuit sends checking signal to air quantity adjusting mechanism, and air quantity adjusting mechanism is subtracted
The operation of the small air quantity that air diffuser is discharged through air supply duct, the air quantity flowed out according to the temperature adjustment of interior from air diffuser, is improved
The comfort of user.
Preferably, the temperature sensing circuit includes temperature sensor, the first comparison circuit and the second comparison circuit, described
Temperature sensor is used for the temperature value for detecting interior, and first comparison circuit is by the detection of high temperature preset value and temperature sensor
Value is compared, and second comparison circuit is by low temperature preset value compared with the detected value of temperature sensor.
By using above-mentioned technical proposal, temperature sensor is detected in real time to the temperature value of interior, and the first ratio
Compared with circuit by default high temperature values compared with the temperature value of the current indoor detected of temperature sensor, it is big in detected value
When default high temperature values, temperature sensing circuit sends high temperature signal to control circuit, and control circuit sends corresponding increasing wind
Number, the second comparison circuit by default low-temperature values compared with the temperature value for the current indoor that temperature sensor detects,
When detected value is less than default low-temperature values, temperature sensing circuit sends low-temperature signal to control circuit, and control circuit is sent accordingly
Checking signal.
Preferably, the control circuit includes stepper motor, driver and impulse generator, and the stepper motor is by driving
Device drive, the driver according to the output signal of the first comparison circuit and the second comparison circuit with control stepper motor rotate forward or
Reversion, the impulse generator are that driver sends rate signal of the pulse signal as driver, in the stepper motor just
When turning, air quantity adjusting mechanism is increased the operation of the air quantity through air supply duct discharge air diffuser, is inverted in the stepper motor
When, air quantity adjusting mechanism is reduced the operation of the air quantity through air supply duct discharge air diffuser.
By using above-mentioned technical proposal, the first comparison circuit and the second comparison circuit joint effect driver it is enabled
End, when temperature is higher than high temperature preset value or less than low temperature preset value indoors, the Enable Pin of driver receives high level, otherwise
For low level, when the Enable Pin of driver receives high level, driver could be driven to stepper motor, and first compares
Circuit controls the direction end of driver, and when temperature is higher than high temperature preset value indoors, what driver received is to drive stepping electric
Machine makes the positive rotaring signal that air output increases, and air quantity adjusting mechanism is increased the behaviour of the air quantity through air supply duct discharge air diffuser
Make, otherwise to drive the reverse signal that stepper motor reduces air output, air quantity adjusting mechanism is reduced to be arranged through air supply duct
Go out the operation of the air quantity of air diffuser, the frequency for the pulse signal that adjustment impulse generator is sent, the rotating speed of stepper motor can be entered
Row regulation, the speed for changing air output can be reduced by reducing pulse frequency so that air output slowly changes, and improves the comfortable of user
Sense.
Preferably, the air quantity adjusting mechanism includes drive rod and adjusting window, and the drive rod is slidably connected to ajutage
Road, the output end of the stepper motor are provided with screw thread, and the drive rod is threadedly connected to the output end of stepper motor, the tune
Section window is rotationally connected with air supply duct, and the drive rod engages cooperation, the stepper motor with the end of the rotary shaft of adjusting window
During rotating forward, drive rod is toward making the window of adjusting window become big direction slip, and when the stepper motor inverts, drive rod is past to make regulation
Slide in the direction that the window of window diminishes.
By using above-mentioned technical proposal, adjusting window is rotationally connected with air supply duct, rotates adjusting window and can adjust adjusting window
Window size, so as to adjust the size through the indoor air quantity of air diffuser flow direction, and the end of the rotary shaft of adjusting window and drive
Lever, which combines, to be coordinated, and is slided drive rod, can be made adjusting window around the axis of rotation of its own, output end and drive due to stepper motor
Lever threaded connection coordinates, and stepper motor, which rotates, can drive drive rod to be slided in its axis direction, when stepper motor rotates forward, drives
Lever improves the intake of interior, when stepper motor inverts, drive rod is past toward making the window of adjusting window become big direction slip
The direction for making the window of adjusting window diminish is slided, and reduces the intake of interior.
Preferably, the quantity of the drive rod is 2, and respectively engages cooperation with the both ends of the rotary shaft of adjusting window.
By using above-mentioned technical proposal, engaged at the both ends of the rotary shaft of adjusting window and be combined with drive rod so that adjusted
The stress for saving window both ends evenly, is reduced because the stress of adjusting window one end is excessively concentrated and impaired situation.
Preferably, the adjusting window includes multiple flabellums, and the flabellum coordinates with air supply duct rotation connection, and flabellum
The end of rotary shaft cooperation is engaged with drive rod.
By using above-mentioned technical proposal, when rotating flabellum adjustment air output, the distribution of the ventilating opening in adjusting window is more
Uniformly so that the wind for flowing to air diffuser evenly, improves the usage experience of user, and adjusting window is divided into multiple flabellums,
Increase adjusting window and the contact area of drive rod so that the power of the regulated window of drive rod evenly, reduces drive rod because of part
The excessive and impaired situation of stress.
Preferably, the first normally closed travel switch and normally closed second are provided between the impulse generator and driver
Travel switch, when the window of the adjusting window is opened to maximum, the first travel switch is triggered and disconnected, in the adjusting window
During close, the second travel switch is triggered and disconnected.
By using above-mentioned technical proposal, when the window for saving window is opened to maximum, the first travel switch is triggered and disconnected,
Impulse circuit disconnects with driver, and stepper motor stops operating, and the situation of adjusting window inordinate rotation is reduced, in adjusting window
During close, the second travel switch is triggered and disconnected, and reduces in the close of adjusting window, stepper motor is rotated further
And damage the situation of adjusting window.
Preferably, it is provided with sealing gasket between the abutting of the adjacent flabellum.
By using above-mentioned technical proposal, when flabellum mutually abuts, air output reaches minimum, and sealing gasket makes flabellum
Between abutting it is closer, reduce flabellum mutually abut between gap, reduce wind flow to diffusing from the gap between flabellum
The situation of device.
Preferably, the Enable Pin of the driver is serially connected with on-off circuit, the on-off circuit be serially connected with the very first time after
Electrical equipment and second time relay, the normally closed time delayed turn-off contact of the very first time relay are serially connected with impulse generator with driving
Between dynamic device, the normally closed time delayed turn-off contact of second time relay concatenates with on-off circuit, second time relay
The delay duration of device is more than the delay duration of very first time relay.
By using above-mentioned technical proposal, when temperature is too high or too low indoors, the Enable Pin of driver receives high electricity
Ordinary mail number, on-off circuit conducting, while stepper motor rotates, and before the window of adjusting window reaches maximum or minimum, the very first time
Relay timing terminates, its normally closed time delayed turn-off contact of very first time relay driving, and impulse generator disconnects with driver, step
Stepper motor stops, and after the second time relay timing terminates, the normally closed time delayed turn-off contact of second time relay disconnects, the
One time relay and second time relay power off, the normally closed time delayed turn-off of very first time relay and second time relay
Contact closes, and at this moment, if indoor temperature is still beyond preset temperature range, above procedure will be repeated, until indoor temperature position
When in preset temperature range, the window size of adjusting window will be kept, indoor temperature is maintained in preset temperature range.
In summary, the utility model has the advantages that：Temperature sensing circuit detects to the temperature of interior,
And compared with preset temperature value, when indoor temperature is more than preset value, driver Driving Stepping Motor rotates forward, stepper motor
Drive rod is driven to be slided toward the direction that the window made between flabellum expands, to improve the air output of air diffuser, when indoor temperature is small
When preset value, driver Driving Stepping Motor reversion, stepper motor drives what drive rod reduced toward the window made between flabellum
Direction is slided, to reduce the air output of air diffuser, and in the presence of very first time relay and second time relay, fan
Leaf stops one end time after turning an angle, and the rotation direction of flabellum is being adjusted according to current indoor temperature, until Indoor Temperature
When degree is in preset temperature range, the position of flabellum will be kept, indoor temperature is maintained in preset temperature range, according to
The air quantity that indoor temperature adjustment flows out from air diffuser, so as to improve the comfort of user.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the relation schematic diagram of air outlet and flabellum in the present embodiment；
Fig. 4 is the enlarged drawing of part B in Fig. 3；
Fig. 5 is the relation schematic diagram of drive rod and switch groove in the present embodiment；
Fig. 6 is the schematic diagram of the circuit part in the present embodiment.
Brief description of the drawings：1st, air outlet；2nd, air supply duct；3rd, air diffuser；4th, temperature sensor；5th, the first comparison circuit；6、
Second comparison circuit；7th, OR circuit；8th, stepper motor；9th, driver；10th, impulse generator；11st, drive rod；12nd, connect
Bar；13rd, flabellum；14th, gear；15th, rack；16th, the first travel switch；17th, the second travel switch；18th, on-off circuit；19th,
One time relay；20th, second time relay；21st, chute；22nd, groove is switched；23rd, projection；24th, sealing gasket.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
A kind of central air-conditioning quantity regulating device, as shown in figures 1 and 3, including air supply duct 2, air outlet 1 and air diffuser
3, air outlet 1 is located at the end of air supply duct 2, and leads to interior, and air diffuser 3 is arranged on the end of air outlet 1, in room
The temperature sensor 4 for detecting room temperature is installed with interior ceiling, Central air-conditioning unit is blown to air supply duct 2,
Wind in air supply duct 2 flows to interior through air outlet 1 from air diffuser 3, and to adjust indoor temperature, and air diffuser 3 makes to flow to room
Interior wind evenly, improves the comfort of user.
With reference to Fig. 2 and Fig. 4, air outlet 1 rotates in the top of air diffuser 3 and is provided with multiple flabellums 13, the both ends of flabellum 13
Rotating shaft pass through the side wall of air outlet 1, and the both ends of its rotating shaft have been fixedly connected with gear 14, and the lateral wall of air outlet 1 is in tooth
The top of wheel 14 is fixedly installed chute 21 along the direction arranged parallel to gear 14, and the cross sectional shape of chute 21 is Open Side Down
T-slot, the chute 21 of both sides, which slides, is connected with drive rod 11, and the lower section of drive rod 11 is integrally formed with rack 15, and tooth
Bar 15 engages cooperation with gear 14, and the end of two drive rods 11, which is connected with each other, to be had and its integrally formed connecting rod 12, promotion
It connecting rod 12, can rotate the drive gear 14 of rack 15, and then flabellum 13 rotates after driving, during so as to adjust adjacent flabellum 13
Between window size, realize the regulation of the air quantity to flowing to air diffuser 3 through air outlet 1.
In order that the abutting between flabellum 13 is closer, reduce flabellum 13 mutually abut between gap, reduce wind from
Gap between flabellum 13 flows to the situation of air diffuser 3, and sealing gasket 24 is fixedly installed in the one end of flabellum 13 away from its rotating shaft,
And abut cooperation with flabellum 13 adjacent thereto.
With reference to Fig. 3 and Fig. 4, the lateral wall of air outlet 1 is being installed with stepper motor 8, stepping at connecting rod 12
The output end of motor 8 is set towards air outlet 1, and the output end of stepper motor 8 is provided with screw thread, and with the middle part spiral shell of connecting rod 12
Line connection coordinates, and Driving Stepping Motor 8, can slide the direction of output end of the connecting rod 12 along stepper motor 8, and then realizes
The driving of flabellum 13.
As shown in figure 5, the switch groove 22 set along its length is offered on a chute 21 wherein, in switch groove
22 both ends are fixedly installed the first normally closed travel switch 16 and the second normally closed travel switch 17, the one of drive rod 11 respectively
Form the projection 23 in the slip of switch groove 22, drive rod 11 slide into make window between flabellum 13 in it is maximum when, it is convex
Block 23 abuts with the first travel switch 16, drive rod 11 slide into flabellum 13 is mutually abutted when, the stroke of projection 23 and second
Switch 17 abuts.
As shown in fig. 6, temperature sensor 4 is electrically connected with the first comparison circuit 5 and the second comparison circuit 6, and the first ratio
It is arranged in parallel compared with the comparison circuit 6 of circuit 5 and second, the temperature sensor 4 is voltage output type, and temperature sensor 4 is electrically connected to
The in-phase input end of first comparison circuit 5, the reverse input end of the first comparison circuit 5 are electrically connected with high temperature preset value Vref1, when
When the output voltage values of temperature sensor 4 are more than Vref1, the first comparison circuit 5 output high level, low level is otherwise sent, temperature
Degree sensor 4 is electrically connected to the reverse input end of the second comparison circuit 6, and the in-phase input end of the second comparison circuit 6 is electrically connected with
There is low temperature preset value Vref2, when the output voltage values of temperature sensor 4 are less than Vref2, the second comparison circuit 6 exports high electricity
It is flat, otherwise send low level.
The output end of first comparison circuit 5 and the second comparison circuit 6 is electrically connected with two inputs of OR circuit 7, or
The output end of gate circuit 7 is electrically connected with the Enable Pin of driver 9, and driver 9 is used for Driving Stepping Motor 8, when the first comparison is electric
When the comparison circuit 6 of road 5 or second sends high level, OR circuit 7 sends high level, otherwise sends low level.
The output end of first comparison circuit 5 is electrically connected to the direction end of driver 9, and high electricity is sent in the first comparison circuit 5
Usually, driver 9 receives positive rotaring signal, is otherwise reverse signal, and the rotating speed end of driver 9 is electrically connected with impulse generator
10, the rotating speed of the frequency-adjustable synchronizing stepper motor 8 for the pulse signal that adjustment impulse generator 10 is sent, reduce impulse generator 10
The pulse signal sent, stepper motor 8 can be made so as to reduce the speed of the rotation of flabellum 13, and to be used with slower rotational speed
The change of air quantity is slack-off, reaches the purpose of slowly regulation air quantity, improves the comfort of user.
First travel switch 16 and the second travel switch 17 are serially connected between impulse generator 10 and driver 9, are being driven
, can turn-off pulse generator 10 and driving when projection on bar 11 abuts with the first travel switch 16 or the second travel switch 17
Connection between device 9 so that flabellum 13 stops operating.
The output end of OR circuit 7 is electrically connected with on-off circuit 18, and the on-off circuit 18 uses NMOS tube, the base of NMOS tube
Pole electrically connects with the output end of OR circuit 7, source ground, and drain electrode meets power supply VCC, when OR circuit 7 sends high level,
NMOS tube turns on, and otherwise turns off.
The time relay 20 of very first time relay 19 and second is serially connected between power supply VCC and NMOSS pipe, wherein the
The normally closed time delayed turn-off contact of one time relay 19 is serially connected between pulse generating circuit and driver 9, the second time relay
The normally closed time delayed turn-off contact of device 20 concatenates with second time relay 20, and the delay duration of second time relay 20 is big
In the delay duration of very first time relay 19, when temperature is too high or too low indoors, the Enable Pin of driver 9 receives high electricity
Ordinary mail number, on-off circuit 18 turn on, while stepper motor 8 rotates, before the window of adjusting window reaches maximum or minimum, when first
Between the timing of relay 19 terminate, very first time relay 19 drive its normally closed time delayed turn-off contact, pulse generating circuit with driving
Device 9 disconnects, and stepper motor 8 stops, after the timing of second time relay 20 terminates, the normally closed delay of second time relay 20
Turn off contact to disconnect, very first time relay 19 powers off with second time relay 20, during very first time relay 19 and second
Between the normally closed time delayed turn-off contact of relay 20 close, at this moment, if indoor temperature is still beyond preset temperature range, will repeat
Above procedure, until when indoor temperature is located in preset temperature range, the window size of adjusting window will be kept, by indoor temperature
Maintain in preset temperature range.
Specific work process：Temperature sensing circuit detects to the temperature of interior, and the voltage analog that will be detected
Compared with high temperature preset value Vref1 and low temperature preset value Vref2, when indoor temperature is preset between low temperature preset value with high temperature
When between value, driver 9 receives low level enable signal, and stepper motor 8 is not rotated, and room temperature is maintained into preset range
It is interior.
When indoor temperature is more than high temperature preset value, driver 9 receives the enable signal of high level and positive rotaring signal, drives
Dynamic device 9 receives the tach signal from impulse generator 10 simultaneously, and Driving Stepping Motor 8 rotates forward, and stepper motor 8 drives driving
Bar 11 slides toward the direction that the window made between flabellum 13 expands, to improve the air output of air diffuser 3.
When indoor temperature is less than low temperature preset value, driver 9 receives the enable signal and reverse signal of high level, drives
Dynamic device 9 receives the tach signal from impulse generator 10 simultaneously, and the Driving Stepping Motor 8 of driver 9 inverts, stepper motor 8
Drive rod 11 is driven to be slided toward the direction that the window made between flabellum 13 reduces, to reduce the air output of air diffuser 3.
Meanwhile in the presence of the time relay 20 of very first time relay 19 and second, flabellum 13 turns an angle
Stop one end time afterwards, the rotation direction of flabellum 13 is being adjusted according to current indoor temperature, until indoor temperature is positioned at default temperature
When in the range of degree, the position of flabellum 13 will be kept, indoor temperature is maintained in preset temperature range, according to the temperature of interior
The air quantity flowed out from air diffuser 3 is adjusted, so as to improve the comfort of user.
Claims (9)
1. a kind of central air-conditioning quantity regulating device, including air outlet (1), air supply duct (2) and air diffuser (3), the air-out
Mouth (1) connects with air supply duct (2), and the air diffuser (3) is arranged at the tail end of air outlet (1), it is characterised in that also includes：
Temperature sensing circuit, by indoor temperature compared with preset temperature, and send corresponding temperature signal；
Control circuit, the temperature signal sent according to temperature sensing circuit, which is sent, increases wind number or checking signal；
Air quantity adjusting mechanism, the air quantity adjusting mechanism are arranged at air outlet (1) place, and the air quantity adjusting mechanism is according to control electricity
The air quantity of increasing wind number or the increase of checking signal behavior or reduction through air supply duct (2) discharge air diffuser (3) that road is sent.
A kind of 2. central air-conditioning quantity regulating device according to claim 1, it is characterised in that the temperature sensing circuit
Including temperature sensor (4), the first comparison circuit (5) and the second comparison circuit (6), the temperature sensor (4) is used to detect
Indoor temperature value, first comparison circuit (5) by high temperature preset value compared with the detected value of temperature sensor (4),
Second comparison circuit (6) is by low temperature preset value compared with the detected value of temperature sensor (4).
3. a kind of central air-conditioning quantity regulating device according to claim 2, it is characterised in that the control circuit includes
Stepper motor (8), driver (9) and impulse generator (10), the stepper motor (8) are driven by driver (9), the driving
Device (9) is according to the output signal of the first comparison circuit (5) and the second comparison circuit (6) to control stepper motor (8) to rotate forward or anti-
Turn, the impulse generator (10) is that driver (9) sends rate signal of the pulse signal as driver (9), in the step
When stepper motor (8) rotates forward, air quantity adjusting mechanism is increased the operation of the air quantity through air supply duct (2) discharge air diffuser (3),
During stepper motor (8) reversion, air quantity adjusting mechanism is reduced the air quantity through air supply duct (2) discharge air diffuser (3)
Operation.
A kind of 4. central air-conditioning quantity regulating device according to claim 3, it is characterised in that the air quantity adjusting mechanism
Including drive rod (11) and adjusting window, the drive rod (11) is slidably connected to air supply duct (2), the stepper motor (8)
Output end is provided with screw thread, and the drive rod (11) is threadedly connected to the output end of stepper motor (8), and the adjusting window, which rotates, to be connected
Air supply duct (2) is connected to, the drive rod (11) engages cooperation, the stepper motor (8) with the end of the rotary shaft of adjusting window
During rotating forward, drive rod (11) slides toward the direction for making the window change of adjusting window big, when the stepper motor (8) inverts, drive rod
(11) slided toward the direction for making the window of adjusting window diminish.
5. a kind of central air-conditioning quantity regulating device according to claim 4, it is characterised in that the drive rod (11)
Quantity is 2, and respectively engages cooperation with the both ends of the rotary shaft of adjusting window.
6. a kind of central air-conditioning quantity regulating device according to claim 4, it is characterised in that the adjusting window includes more
Individual flabellum (13), the rotation connection of the flabellum (13) and air supply duct (2) coordinate, and the end of the rotary shaft of flabellum (13) with
Drive rod (11) engagement coordinates.
A kind of 7. central air-conditioning quantity regulating device according to claim 4, it is characterised in that the impulse generator
(10) normally closed the first travel switch (16) and normally closed the second travel switch (17) are provided between driver (9), in institute
When stating the window of adjusting window and opening to maximum, the first travel switch (16) is triggered and disconnected, in the close of the adjusting window
When, the second travel switch (17) is triggered and disconnected.
A kind of 8. central air-conditioning quantity regulating device according to claim 6, it is characterised in that the adjacent flabellum
(13) sealing gasket (24) is provided between abutting.
9. a kind of central air-conditioning quantity regulating device according to claim 3, it is characterised in that the driver (9)
Enable Pin is serially connected with on-off circuit (18), the on-off circuit (18) be serially connected with very first time relay (19) and the second time after
Electrical equipment (20), the normally closed time delayed turn-off contact of the very first time relay (19) are serially connected with impulse generator (10) and driver
(9) between, the normally closed time delayed turn-off contact of second time relay (20) concatenates with on-off circuit (18), when described second
Between relay (20) delay duration be more than very first time relay (19) delay duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899454.6U CN207050171U (en) | 2017-07-22 | 2017-07-22 | A kind of central air-conditioning quantity regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899454.6U CN207050171U (en) | 2017-07-22 | 2017-07-22 | A kind of central air-conditioning quantity regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207050171U true CN207050171U (en) | 2018-02-27 |
Family
ID=61496457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899454.6U Expired - Fee Related CN207050171U (en) | 2017-07-22 | 2017-07-22 | A kind of central air-conditioning quantity regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207050171U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405164A (en) * | 2018-09-20 | 2019-03-01 | 珠海格力电器股份有限公司 | Equipment and air duct machine control method and device thereof |
| CN110940028A (en) * | 2018-09-21 | 2020-03-31 | 珠海格力电器股份有限公司 | Air conditioner air supply control method and device, storage medium and processor |
| CN112361478A (en) * | 2020-11-05 | 2021-02-12 | 曾文民 | Automatic air volume adjusting device for central air conditioner of electronic device production workshop |
| CN112783219A (en) * | 2021-01-04 | 2021-05-11 | 北京电子科技职业学院 | Gas flow adjusting device |
-
2017
- 2017-07-22 CN CN201720899454.6U patent/CN207050171U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405164A (en) * | 2018-09-20 | 2019-03-01 | 珠海格力电器股份有限公司 | Equipment and air duct machine control method and device thereof |
| CN110940028A (en) * | 2018-09-21 | 2020-03-31 | 珠海格力电器股份有限公司 | Air conditioner air supply control method and device, storage medium and processor |
| CN110940028B (en) * | 2018-09-21 | 2021-04-09 | 珠海格力电器股份有限公司 | Air conditioner air supply control method and device, storage medium and processor |
| CN112361478A (en) * | 2020-11-05 | 2021-02-12 | 曾文民 | Automatic air volume adjusting device for central air conditioner of electronic device production workshop |
| CN112783219A (en) * | 2021-01-04 | 2021-05-11 | 北京电子科技职业学院 | Gas flow adjusting device |
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Granted publication date: 20180227 |