CN2039440U - Multifunctional room temperature controller - Google Patents
Multifunctional room temperature controller Download PDFInfo
- Publication number
- CN2039440U CN2039440U CN 88207102 CN88207102U CN2039440U CN 2039440 U CN2039440 U CN 2039440U CN 88207102 CN88207102 CN 88207102 CN 88207102 U CN88207102 U CN 88207102U CN 2039440 U CN2039440 U CN 2039440U
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- circuit
- control
- switch
- room thermostat
- signal
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a multifunctional room thermostat. The flow regulation has manners of stepping control, invertible control, proportional control, etc., while the airflow regulation has manners of manually regulating speed in three gears and automatically regulating speed with stage changed. The multifunctional room thermostat can be matched with a center computer controlling system, completing automatic program control. A nighttime return function and a man and machine set-up function can be realized by the divisional main controller as well, so that automatically temperature tracking can be performed. The utility model overcomes the defects of single control existing in the prior art, and can select different control manners according to different applications, reaching safe, comfortable and energy-saving effect.
Description
The utility model belongs to the air-conditioning instrument for automatic control.
Existing room thermostat is to regulate by control blower motor and flow motorized valve, but can only carry out a formula control and unit control, can not carry out ratio and regulate, and can not be used with the computerized control system of mansion, finishes automatic program control.Thereby can not change the main frame form of putting into operation according to the variation of end load and reach energy-conservation purpose, and do not possess and return function and man-machine set-up function night.
The purpose of this utility model is that design a kind ofly can be applicable to mansion central computer air-conditioning system, can position formula control can carry out the ratio adjusting again, can be used with Cooling and heating blower coil pipe, air-conditioning unit and other air-conditioning equipments easily, can change the form that puts into operation of main frame according to the variation of end load, reach the high and energy-conservation effect of precision.
What the utility model was mainly conceived is described below:
This room thermostat mainly contains the flow control circuit of being made up of high-precision sensor (1), integrated differential amplifier (2), inner bridge circuit (3), switch in season (4), continuous multi-stage comparator circuit (5), two-way output amplifier (6), (7), ratio resonance-amplifier 8, temperature setting device, additional signal amplifier and executive circuit; By automatic/hand K switch, manual third gear switch K
3, K
4, K
5With execution relay normally open contact J
1-1, J
2-1, J
3-1The automatic/hand air quantity regulating circuit of forming, or by manual third gear switch K
3, K
4, K
5With execution relay normally open contact J
3-1And two relay normally closed contact J
3-2The air quantity regulating circuit of forming.The temperature value X that experiences from temperature sensor
iSignal and the temperature value X that sets of setting apparatus
SSignal, by the resulting difference signal of inner bridge circuit, delivering to integrated differential amplifier circuit amplifies, can obtain the analog quantity that changes with room temperature, through integrating circuit, it is sent into continuous comparator circuit, and carry out size scale by simulant electronic switch, relatively the back output signal removes to control corresponding actuator, realizes multi-functional room temperature control.
, in 10 ℃～30 ℃ scope, regulate according to the requirement of room temperature control, high difference, middle difference and low difference are set and keep level by winter and summer.When high difference appears in setting value and environment temperature, the first order output switching activity of comparator circuit, start working by first order actuator, make actuator aperture maximum, after a period of time is regulated, enter second level state, then the first order is closed (being closed automatically by simulant electronic switch) second level and is opened automatically, make actuator keep suitable aperture, when room temperature and setting value substantially near the time, then be automatically brought to the third level, make actuator, just enter the maintenance level later in low aperture state work from second level state.When indoor temperature changed, this comparer can remain in the range of set value indoor temperature from rudimentary to senior automatic conversion again, and degree of regulation is ± 1 ℃.Air quantity and flow complement each other in room temperature control.But the principal element that regulates the room temperature is a flow, and air quantity is the speed of cold in the conditioning chamber/rate of heat exchange.For effective Control Flow, adapt to of the different requirements of different occasions to room temperature, the output stage of this controller can with the supporting use of several actuators.Both can be used, and can accept temperature signal fan coil system realization dibit is regulated with the straight-through single seat electric control valve of ZAP series that is used for a formula control, the ZAX series electric three-way variable valve of China's production; The V that also can supporting use introduces from foreign country
1W series electronic two logical variable valve, B
1W series electric three passes variable valve is realized three-position type output or continous way output; Can also and AK
2W, AK
3The supporting use of W electric linear-motion actuator realizes three-position type output or continous way output, is used to regulate the automatic control that air channel barrier is finished heating and ventilation or air-conditioning equipment.The actuator of the applicable different operating voltage of output stage of the present utility model, impressed voltage can be got 24V or 220V or 110V and all can select, and use is brought convenience.Returning the realization of function night, is that working point by the inner bridge circuit of controller is offset and reaches, and can keep human comfort and cuts down the consumption of energy.This controller can be realized regional temperature tracking by adding outside given voltage, is applicable to building subregion control.Also can finish automatic program control by the computerized control system in building by A/D and D/A change-over circuit.Zone controller is made up of timing circuit and hand switch, and central controller is made up of computer management system, can carry out best enthalpy according to indoor and outdoor temperature and calculate, and reaches automatic adjusting then.
The utility model can adapt to the needs of different occasions to room temperature, reaches automatic adjusting and energy-saving effect, has safe, comfortable, effect easily.Its major advantage is as follows:
1. have the translation function in season, can realize the annual adjusting automatically of room temperature.
2. can realize that air quantity and flow are controlled simultaneously or control respectively, to adapt to the needs of different occasions.
3. can be used with the computerized control system in office building, hotel, restaurant, finish automatic program control, can change the form that puts into operation of main frame, reach purpose of energy saving according to the variation of end load.
4. controller has the control of formula and ratio is regulated dual-use function, can with straight-through single seat motorized valve, a supporting use of electric three-way valve of formula control that be used for of domestic production, can also with ratio adjusting valve, the supporting use of Direct Travel actuator from external introduction.
5. controller adopts electronic integrated circuit, so precision height, low in energy consumption, and can with the supporting use of national standard terminal box.Therefore, interchangeability is strong, and is convenient to maintenance.
6. when this controller adds additional signal, can realize returning night, function, not only capable of reducing energy consumption, and keep human sense of comfort.
With reference to the accompanying drawings this room thermostat is described further:
Fig. 1 is a block scheme of the present utility model.
1---temperature sensor; 2---differential amplifier; 3---inner bridge circuit; 4---summer and winter change-over switch; 5---the continuous multi-stage comparer; 6---output amplifier; 7---output amplifier; 8---the ratio resonance-amplifier; 9---the ratio electric control valve; 10---position formula electric control valve; 11---blower motor.
Fig. 2 is the basic circuit diagram of this room thermostat.
Of the present utility model multi-functional by circuit realization shown in Figure 2.Wherein setting apparatus is by R to the adjusting of setting value
4Realize that when room temperature was regulated arbitrary numerical value, bridge circuit sensitivity was by adjusting R in 10 ℃-30 ℃ scope
iRealize, make sensitivity within 0.5 ℃～1.0 ℃ scope.The winter and summer conversion is to pass through K
1, K
2The DPTT double-pole triple throw switch is changed, by the signal of bridge circuit output through I
1Difference is amplified back output, and output signal divides two-way to realize a formula control and a ratio regulatory function.One road signal send voltage follower I
3Reach the ratio regulating circuit of (f) holding output 0～10V voltage analog signal to form by (e), thereby the ratio that realizes flow, air-valve etc. is regulated to actuator; Another route four bit comparator I
3With four path analoging switch S
1, S
2, S
3Form.It can monitor input voltage, as input voltage V
XSurpass or be lower than certain setting voltage V
RThe time, make corresponding output state flip, and voltage signal is imported corresponding executive circuit.As tested voltage V
R3＞V
X＞V
R4The time, comparer A
1, A
2, A
3The output high level, switch S
1, S
2, S
3So conducting is tested voltage V
XAnd V
R4Compare V
XHas only A in this interval
4Output low level.If tested voltage V
R2＞V
X＞V
R3The interval, A
1, A
2The output high level has only A
3Output low level makes switch S
3End, so A
4Also export high level, other interval situation is analogized, and each interval setting range is 2V, and the size (being the room temperature height) according to the output analog quantity realizes high, medium and low, time-out level Four control.Carry out relay J
1, J
2, J
3With manual third gear speed-regulating switch K
3, K
4, K
5, and the executive circuit formed of corresponding variable valve or blower motor, have the various control function and see Fig. 3-Fig. 5 for details.
Shown in Figure 3, can realize the speed governing of manual third gear blower motor, and automatic third gear (high, medium and low) speed governing, carry out manual switching by K switch.When changing over to when automatic, the switching of blower motor rotating speed is to be undertaken by low speed at a high speed by circuit theory shown in Figure 2 according to the difference of setting value and indoor temperature, or by becoming a grade speed governing automatically to low speed at a high speed.
Shown in Figure 4, can realize manual third gear (high, medium and low) speed governing, when indoor temperature reaches setting value, no matter manually third gear is pressed at any one grade, all can change low speed or operation suspension automatically over to, realize manual adjusting air quantity, not only easy to use, but energy savings again, this controlling schemes also can be used with the Centralized Controller of bedside cupboard.
Shown in Figure 5, can realize a formula control, by relay normally open contact J
1-1, J
2-1Form 3 formula control executive circuits with position formula electric control valve M.When the difference of indoor temperature and setting value within the specific limits, flowrate control valve is in the aperture state, when difference be tending towards near the time, flowrate control valve cuts out.
Shown in Figure 6, can realize positive and negative reversible adjusting of flow or appropriate regulation, by relay normally open contact J
1-1, J
3-1With the reversible electric control valve
Form reversible control executive circuit.When indoor temperature and setting value occurred than big difference, the flow regulation valve opening strengthened, and then aperture reduces when difference is less, and general situation is tending towards aperture appropriateness situation, thereby realized that three reversibles regulate.
Shown in Figure 7, can realize the flow proportional adjusting, actuator may command two logical ratio adjusting valve, threeway ratio adjusting valve and Direct Travel actuators (damper size).
Returning function night is to be realized by circuit short circuit (a) and (b) two-end-point shown in Figure 2 by the master controller of subregion by manual adjustments or timing watch, promptly changes the working point by its emitter resistance that changes difference channel, set point is reduced (pass through R
WWith R
9Parallel connection realizes).
The winter and summer conversion is to pass through K
1, K
2Switch is realized, works as K switch
1, K
2When being located at the centre position, master controller realizes that by (c), (d) end of Fig. 2 circuit indoor and outdoor temperature tracking to intervene the master controller set point, realizes the control of constant presumptive area.
Claims (6)
1, a kind of room thermostat of forming by flow control circuit and air quantity control circuit, it is characterized in that flow control circuit by temperature sensor 1, integrated differential amplifier 2, inner bridge circuit 3, season switch 4, continuous multi-stage comparator circuit 5, two-way output amplifier 6,7, ratio resonance-amplifier 8, temperature setting device, additional signal amplifier and executive circuit formed; The air quantity control circuit is by automatic/hand K switch, manual third gear switch K
3, K
4, K
5With execution relay normally open contact J
1-1, J
2-1, J
3-1Form, or by manual third gear switch K
3, K
4, K
5With execution relay normally open contact J
3-1And two relay normally closed contact J
3-2Form.
2, by the described room thermostat of claim 1, it is characterized in that passing through K
1, K
2DPTT double-pole triple throw switch transition winter and summer, the signal of bridge circuit 3 outputs internally divides two-way behind differential amplifier 2: one road signal input voltage follower I
2Hold output 0-10V voltage signal to actuator composition regulating circuit actuator may command two logical ratio adjusting valve, threeway ratio adjusting valve and Direct Travel actuators by (e) and (f); Another route four bit comparator I
3With four path analoging switch S
1, S
2, S
3Form, as input voltage V
XSurpass or be lower than setting voltage V
RThe time, can make output state flip, and voltage signal is imported corresponding executive circuit.
3, by claim 1 and 2 described executive circuits, it is characterized in that by relay normally open contact J
1-1, J
2-1Form position formula control executive circuit with position formula electric control valve M; Or by relay normally open contact J
1-1, J
3-1With the reversible electric control valve
Form reversible control executive circuit.
4, by the described room thermostat of claim 1, it is characterized in that working as K switch
1, K
2When being positioned at the centre position, can hold through c, the d of primary controller from central controller output temperature difference simulating signal automatically signal voltage 0～10V input room thermostat.
5, by the described room thermostat of claim 1, it is characterized in that at difference channel I
1Middle resistance R
9Be parallel with resistance R
WAnd join with terminal a, b on the master controller.
6, by the described room thermostat of claim 1, it is characterized in that impressed voltage can adopt 220V or 110V or 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207102 CN2039440U (en) | 1988-06-13 | 1988-06-13 | Multifunctional room temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207102 CN2039440U (en) | 1988-06-13 | 1988-06-13 | Multifunctional room temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2039440U true CN2039440U (en) | 1989-06-14 |
Family
ID=4841176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88207102 Withdrawn CN2039440U (en) | 1988-06-13 | 1988-06-13 | Multifunctional room temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2039440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619882B (en) * | 2008-06-30 | 2011-06-22 | 珠海格力电器股份有限公司 | Intelligent control method for air conditioner |
| CN102279059A (en) * | 2011-04-14 | 2011-12-14 | 北京硕人时代科技有限公司 | Temperature setting device and temperature measuring system and method |
-
1988
- 1988-06-13 CN CN 88207102 patent/CN2039440U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619882B (en) * | 2008-06-30 | 2011-06-22 | 珠海格力电器股份有限公司 | Intelligent control method for air conditioner |
| CN102279059A (en) * | 2011-04-14 | 2011-12-14 | 北京硕人时代科技有限公司 | Temperature setting device and temperature measuring system and method |
| CN102279059B (en) * | 2011-04-14 | 2013-02-20 | 北京硕人时代科技有限公司 | Temperature setting device and temperature measuring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |