CN209470293U - A kind of indoor temperature control device - Google Patents
A kind of indoor temperature control device Download PDFInfo
- Publication number
- CN209470293U CN209470293U CN201920024707.4U CN201920024707U CN209470293U CN 209470293 U CN209470293 U CN 209470293U CN 201920024707 U CN201920024707 U CN 201920024707U CN 209470293 U CN209470293 U CN 209470293U
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- China
- Prior art keywords
- resistance
- capacitor
- diode
- temperature
- thermistor
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Abstract
A kind of temperature control equipment, belongs to electric automatization field, and the utility model is to solve the problems, such as that indoor adjusting temperature exists.The utility model includes transformer T1, rectifier, capacitor C1 ~ C4, potentiometer VR1, resistance R1 ~ R4, thermistor Rt, heater RL, diode D1 ~ D2, bidirectional thyristor VS1, NE555 time base circuit chip.When the temperature is low, the thermistor Rt resistance value of negative temperature coefficient is larger, and 2 foot current potentials of NE555 time base circuit chip are lower than the 1/3(about 4V of Ec voltage), 3 feet of NE555 export high level, and triggering bidirectional thyristor VS1 conducting is connected electric heater RL and heated.When the thermistor Rt temperature for being placed in temperature measuring point is higher than setting value, heater RL is just cut off after timing cycle.When thermistor Rt temperature is lower than under setting value, triggering bidirectional thyristor VS1 conducting can be heated again.
Description
Technical field
The utility model relates to a kind of temperature control equipments, belong to electric automatization field.
Background technique
As the improvement of people's living standards, whether people comfortably also have very big demand to room temperature.In winter room
Interior temperature can be very low, if people have been at it is terribly cold at a temperature of can cause to catch a cold, life and work can be caused very in this way
It is big to influence.People are sometimes because work ignores the variation of temperature, so that temperature be allowed to be constantly in too low state and cause
Flu.Temperature controller meeting self-heating when temperature is too low for a period of time, can stop heating after temperature raising.It can
To control room temperature well, temperature is allowed to be constantly in comfortable state, it is sick because of the variation of temperature to prevent people, also
Facilitate people's lives.
Summary of the invention
The utility model aim be in order to solve the problems, such as that room temperature is too low, and design a kind of automatic heating device.
Temperature described in the utility model controls regulation device, it includes transformer T1, rectifier, capacitor C1, capacitor C2, electricity
Hold C3, capacitor C4, potentiometer VR1, resistance R1, resistance R2, resistance R3, resistance R4, thermistor Rt, heater RL, diode
D1, diode D2, bidirectional thyristor VS1, NE555 time base circuit chip.
One end of one end connection transformer T1 of 220V AC power source；
The other end of the other end transformer T1 of switch s；
The both ends of transformer T1 secondary coil are separately connected two input terminals of rectifier；
The cathode output end of rectifier connects one end of capacitor C4, one end of capacitor C1, one end of resistance R1, heating simultaneously
One end of device RL；
The cathode output end of rectifier connects the other end of capacitor C4, one end of capacitor C2, one end of capacitor C3, electricity simultaneously
Hinder one end of R1, one end of resistance R4,1 foot of NE555 time base circuit chip, the anode of diode D2, bidirectional thyristor VS1
The pole T2；
The other end of capacitor C1 connects the other end of resistance R1, the anode of diode D1 simultaneously；
The cathode of diode D1 connect simultaneously the other end of capacitor C2, the cathode of diode D2, resistance R2 one end,
4 feet of NE555 time base circuit chip and one end of 8 feet, potentiometer VR1；
The other end of resistance R2 connects 5 feet of NE555 time base circuit chip and the other end of 7 feet, capacitor C3 simultaneously；
One end of the other end connection thermistor Rt of potentiometer VR1；
The other end of thermistor Rt connects 2 feet of NE555 time base circuit chip, the other end of resistance R4 simultaneously；
The pole T1 of the other end connection bidirectional thyristor VS1 of heater RL；
One end of the pole the G connection resistance R3 of bidirectional thyristor VS1；
3 feet of the other end connection NE555 time base circuit chip of resistance R3；
The advantages of the utility model: control device described in the utility model is only built by a small amount of component, structure
It is very simple, but performance is highly stable, has the advantages that at low cost, long service life.
Detailed description of the invention
Fig. 1 is room temperature automatic control device described in the utility model.
Specific embodiment
Specific embodiment: illustrating present embodiment below with reference to Fig. 1, temperature control equipment described in present embodiment, it
Including transformer T1, rectifier, capacitor C1, capacitor C2, capacitor C3, capacitor C4, potentiometer VR1, resistance R1, resistance R2, resistance
R3, resistance R4, thermistor Rt, heater RL, diode D1, diode D2, bidirectional thyristor VS1, NE555 time base circuit core
Piece；
One end of one end connection transformer T1 of 220V AC power source；
The other end of the other end transformer T1 of switch s；
The both ends of transformer T1 secondary coil are separately connected two input terminals of rectifier；
The cathode output end of rectifier connects one end of capacitor C4, one end of capacitor C1, one end of resistance R1, heating simultaneously
One end of device RL；
The cathode output end of rectifier connects the other end of capacitor C4, one end of capacitor C2, one end of capacitor C3, electricity simultaneously
Hinder one end of R1, one end of resistance R4,1 foot of NE555 time base circuit chip, the anode of diode D2, bidirectional thyristor VS1
The pole T2；
The other end of capacitor C1 connects the other end of resistance R1, the anode of diode D1 simultaneously；
The cathode of diode D1 connect simultaneously the other end of capacitor C2, the cathode of diode D2, resistance R2 one end,
4 feet of NE555 time base circuit chip and one end of 8 feet, potentiometer VR1；
The other end of resistance R2 connects 5 feet of NE555 time base circuit chip and the other end of 7 feet, capacitor C3 simultaneously；
One end of the other end connection thermistor Rt of potentiometer VR1；
The other end of thermistor Rt connects 2 feet of NE555 time base circuit chip, the other end of resistance R4 simultaneously；
The pole T1 of the other end connection bidirectional thyristor VS1 of heater RL；
One end of the pole the G connection resistance R3 of bidirectional thyristor VS1；
3 feet of the other end connection NE555 time base circuit chip of resistance R3；
The advantages of the utility model: without regulating and controlling manually to temperature after opening temperature controller, temperature controller
It can be heated automatically with the decline of temperature, stop heating after heating a period of time, both can guarantee temperature always in this way
In warm temperature, it is therefore prevented that people catch a cold because temperature is ignored；
Working principle
After powering on, when the temperature is low, the thermistor Rt resistance value of negative temperature coefficient is larger, when NE555 basis set at
2 foot current potentials of circuit (IC) are lower than the 1/3(about 4V of Ec voltage), 3 feet of IC export high level, and triggering bidirectional thyristor VS1 is led
It is logical, it connects electric heater RL and is heated, to start time-count cycle.It is set when the thermistor Rt temperature for being placed in temperature measuring point is higher than
When definite value and time-count cycle do not complete also, heater RL is just cut off after timing cycle.When thermistor Rt temperature drops
When below down to setting value, it triggering bidirectional thyristor VS1 can be connected again, connect electric heater RL and heated.Thus may be used
Achieve the purpose that temperature automatic control.
Although embodiment disclosed by the utility model is as above, the content is only to facilitate understand that this is practical
Novel and use embodiment, is not intended to limit the utility model.Skill in any the utility model technical field
Art personnel can be in the formal and details of implementation under the premise of not departing from spirit and scope disclosed by the utility model
On make any modification and variation, but the scope of patent protection of the utility model, must still be defined with appended claims
Range subject to.
Claims (4)
1. temperature control equipment, which is characterized in that it includes transformer T1, rectifier, capacitor C1, capacitor C2, capacitor C3, capacitor
C4, potentiometer VR1, resistance R1, resistance R2, resistance R3, resistance R4, thermistor Rt, heater RL, diode D1, diode
D2, bidirectional thyristor VS1, NE555 time base circuit chip；
One end of one end connection transformer T1 of 220V AC power source；
The other end of the other end transformer T1 of switch s；
The both ends of transformer T1 secondary coil are separately connected two input terminals of rectifier；
The cathode output end of rectifier connects one end of capacitor C4, one end of capacitor C1, one end of resistance R1, heater RL simultaneously
One end；
The cathode output end of rectifier connects the other end of capacitor C4, one end of capacitor C2, one end of capacitor C3, resistance R1 simultaneously
One end, one end of resistance R4,1 foot of NE555 time base circuit chip, the anode of diode D2, bidirectional thyristor VS1 T2
Pole；
The other end of capacitor C1 connects the other end of resistance R1, the anode of diode D1 simultaneously；
When the cathode of diode D1 connects the other end of capacitor C2, the cathode of diode D2, one end of resistance R2, NE555 simultaneously
4 feet of base circuit chip and one end of 8 feet, potentiometer VR1；
The other end of resistance R2 connects 5 feet of NE555 time base circuit chip and the other end of 7 feet, capacitor C3 simultaneously；
One end of the other end connection thermistor Rt of potentiometer VR1；
The other end of thermistor Rt connects 2 feet of NE555 time base circuit chip, the other end of resistance R4 simultaneously；
The pole T1 of the other end connection bidirectional thyristor VS1 of heater RL；
One end of the pole the G connection resistance R3 of bidirectional thyristor VS1；
3 feet of the other end connection NE555 time base circuit chip of resistance R3.
2. temperature control equipment according to claim 1, it is characterised in that rectifier is by diode D4, diode D5, two
The single phase bridge type rectifier circu that pole pipe D6 and diode D7 is constituted.
3. temperature control equipment according to claim 1, it is characterised in that the thermistor resistance value of negative temperature coefficient is with temperature
Degree is reduced and is increased.
4. temperature control equipment according to claim 1, it is characterised in that thermistor can choose MF12 type or MF13 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024707.4U CN209470293U (en) | 2019-01-08 | 2019-01-08 | A kind of indoor temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024707.4U CN209470293U (en) | 2019-01-08 | 2019-01-08 | A kind of indoor temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470293U true CN209470293U (en) | 2019-10-08 |
Family
ID=68092761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920024707.4U Expired - Fee Related CN209470293U (en) | 2019-01-08 | 2019-01-08 | A kind of indoor temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209470293U (en) |
-
2019
- 2019-01-08 CN CN201920024707.4U patent/CN209470293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 Termination date: 20200108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |