CN104949300A - Single-way A/D conversion temperature regulator and realization method thereof - Google Patents
Single-way A/D conversion temperature regulator and realization method thereof Download PDFInfo
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- CN104949300A CN104949300A CN201510436145.0A CN201510436145A CN104949300A CN 104949300 A CN104949300 A CN 104949300A CN 201510436145 A CN201510436145 A CN 201510436145A CN 104949300 A CN104949300 A CN 104949300A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a single-way A/D conversion temperature regulator and a realization method thereof. The single-way A/D conversion temperature regulator is connected with a temperature controller and comprises a temperature sensor R for detecting the indoor temperature and a variable resistor W for setting the desired indoor temperature; the temperature sensor R is in series connection with the variable resistor W; the variable resistor W is in parallel connection with a normally open switch K. According to the single-way A/D conversion temperature regulator and the realization method thereof, provided by the invention, the normally open switch K is arranged at the two ends of the variable resistor W, the temperature regulator and the temperature controller are connected only by one guide line arranged therebetween, the temperature controller only occupies one input/output port, the circuit structure is simple, the occupancy of resources is reduced, only one line needs to be laid indoors during assembling, therefore the line installing and using cost is greatly reduced.
Description
Technical field
The present invention relates to indoor temperature regulation technology field, be specifically related to thermoregulator and its implementation of a kind of single channel A/D conversion.
Background technology
Along with the raising of people's living standard, the use of indoor temperature regulating device is more and more extensive, for regulating the adjuster of temperature to be generally mounted in indoor wall, people set temperature required by thermoregulator, and adjuster is connected with temperature controller by electric wire or cable.The indoor temperature information of controller collecting temperature sensor, controlling to heat up or heat sink by comparing with the temperature set by adjuster, making indoor temperature maintain set temperature.
Commonly use the annexation between thermoregulator and controller and operation principle, as shown in Figure 1, Fig. 1 dotted line enclose part for the internal structure of thermoregulator, wherein Ni1000 is temperature sensor, for detecting indoor temperature, variations in temperature makes its resistance change, and after A/D conversion, send the I/O mouth of controller CPU to, controller reads current indoor temperature value.Variable resistor W, for setting required indoor temperature use, changes variable-resistance resistance by adjusting knob, and gives another I/O mouth of controller CPU after being changed by A/D, and controller reads set temperature value.Controller, by comparing set temperature value and indoor temperature control intensification and heat sink accordingly, makes indoor temperature maintain set temperature.Visible, this thermoregulator is connected with needing two wires between controller, take two I/O mouths of controller CPU, take resource larger, need laying two connections to controller when indoor location simultaneously, and indoor controller generally has certain distance between adjuster, therefore cost of installation and use is higher.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the thermoregulator implementation method that a kind of single channel A/D changes, at the variable resistor two ends of thermoregulator inside, a normal open switch is set, slide its resistive element can change variable-resistance resistance, when sliding into certain position and making normal open switch close, then variable resistor is just shorted; Thermoregulator inside is also provided with temperature sensor, temperature sensor is connected with variable resistor, only arrange a wire between thermoregulator with temperature controller to be connected, temperature controller also only takies an input/output port, and such design can take by saving resource.
To achieve these goals, the present invention adopts following technical scheme.
A thermoregulator for single channel A/D conversion, it is connected with temperature controller, and it comprises the temperature sensor R for detecting indoor temperature and the variable resistor W for setting required indoor temperature; Temperature sensor R and variable resistor W is connected in series, and variable resistor W is also connected in parallel with a normal open switch K.
Preferably, described variable resistor W comprises a resistive element and an adjuster knob, and rotary actuator knob is to change the resistance of variable resistor W.
In above-mentioned arbitrary technical scheme preferably, described temperature controller comprises a central processor CPU, and described central processor CPU comprises an input/output port I/O.
In above-mentioned arbitrary technical scheme preferably, a modulus converter A/D is provided with between described temperature controller and thermoregulator.
In above-mentioned arbitrary technical scheme preferably, described temperature sensor R and resistance R
0be connected in the input interface of modulus converter A/D, the output interface of modulus converter A/D is connected with the input/output port I/O of central processor CPU.
In above-mentioned arbitrary technical scheme preferably, described temperature sensor R adopts Ni1000 type temperature sensor.
The invention also discloses the implementation method of the thermoregulator that a kind of single channel A/D changes, have employed the thermoregulator of the single channel A/D conversion as above described in any one, the implementation method of the thermoregulator that this single channel A/D changes comprises:
When the adjuster knob of the variable resistor W of thermoregulator is in certain position and presses normal open switch K, normal open switch K closes, and variable resistor W is shorted;
When the normal open switch K of thermoregulator opens period, circuitous resistance is the resistance of variable resistor W and the resistance sum of temperature sensor R, the i.e. value of W+R;
When regulating temperature, rotary actuator knob makes the resistance of variable resistor W change, when being adjusted to set temperature, pressing normal open switch K makes normal open switch K close, at this moment values of circuit resistances is the resistance of temperature sensor R, when making normal open switch K recover to open when loosing one's grip again, circuitous resistance recovers the value of the W+R of former setting, this just makes circuitous resistance resistance produce a negative pulse, this negative pulse delivers to the input/output port I/O of the central processor CPU of temperature controller, according to received negative pulse, central processor CPU judges that the temperature setting of thermoregulator is complete, and the resistance of the set resistance value W+R value corresponding to temperature of record and the temperature sensor R corresponding to Current Temperatures, temperature controller controls intensification according to set temperature and Current Temperatures and heat sink makes indoor temperature reach set temperature,
When the temperature varies, the resistance of temperature sensor R changes, its numerical value delivers to the input/output port I/O of the central processor CPU of temperature controller after being changed by modulus converter A/D, temperature controller controls to heat up or heat sink by comparing Current Temperatures and set temperature, thus controls indoor temperature and maintain set temperature.
The thermoregulator of single channel A/D conversion of the present invention, at the variable resistor W two ends of thermoregulator inside, a normal open switch K is set, the resistive element of slip W can change the resistance of variable W, and when sliding into certain position and making normal open switch K close, then variable resistor W is just shorted.Thermoregulator inside is also provided with temperature sensor R, temperature sensor R connects with variable resistor W, only arrange a wire between thermoregulator with temperature controller to be connected, temperature controller also only takies an input/output port, circuit structure is simple, can take by saving resource, only need lay a circuit when indoor location, greatly save circuit cost of installation and use.
Accompanying drawing explanation
Fig. 1 is the connection diagram between conventional thermoregulator and controller;
Fig. 2 is according to the connection diagram between the thermoregulator of the thermoregulator of single channel A/D of the present invention conversion and a preferred embodiment of its implementation and controller;
The production process schematic diagram of negative pulse when Fig. 3 and Fig. 4 is the adjustment temperature according to the thermoregulator of single channel A/D of the present invention conversion and a preferred embodiment of its implementation.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated, below describe only exemplarily and explain, any pro forma restriction is not done to the present invention.
Embodiment 1
The thermoregulator of single channel A/D conversion is connected with temperature controller, the thermoregulator of single channel A/D conversion comprises the temperature sensor R for detecting indoor temperature and the variable resistor W for setting required indoor temperature, temperature sensor R and variable resistor W is connected in series, and variable resistor W is also in parallel with a normal open switch K.Variable resistor W comprises a resistive element and an adjuster knob, and rotary actuator knob is to change the resistance of variable resistor W; Temperature controller comprises a central processor CPU, and central processor CPU comprises an input/output port I/O; A modulus converter A/D is provided with between temperature controller and thermoregulator; Temperature sensor R and resistance R
0be connected in the input interface of modulus converter A/D, the output interface of modulus converter A/D is connected with the input/output port I/O of central processor CPU; Temperature sensor R can select the sensor component for measurement and control of temperature of Ni1000 type temperature sensor or other models.
This single channel A/D change thermoregulator realize principle: when the adjuster knob of the variable resistor W of thermoregulator is in certain position and presses normal open switch K, normal open switch K close, variable resistor W is shorted; When the normal open switch K of thermoregulator opens period, circuitous resistance is the resistance of variable resistor W and the resistance sum of temperature sensor R, the i.e. value of W+R.
The implementation procedure of the thermoregulator that this single channel A/D changes: when regulating temperature, rotary actuator knob makes the resistance of variable resistor W change, when being adjusted to set temperature, pressing normal open switch K makes normal open switch K close, at this moment values of circuit resistances is the resistance of temperature sensor R, when making normal open switch K recover to open when loosing one's grip again, circuitous resistance recovers the value of the W+R of former setting, this just makes circuitous resistance resistance produce a negative pulse, this negative pulse delivers to the input/output port I/O of the central processor CPU of temperature controller, according to received negative pulse, central processor CPU judges that the temperature setting of thermoregulator is complete, and the resistance of the set resistance value W+R value corresponding to temperature of record and the temperature sensor R corresponding to Current Temperatures, temperature controller controls intensification according to set temperature and Current Temperatures and heat sink makes indoor temperature reach set temperature, when the temperature varies, the resistance of temperature sensor R changes, its numerical value delivers to the input/output port I/O of the central processor CPU of temperature controller after being changed by modulus converter A/D, temperature controller controls to heat up or heat sink by comparing Current Temperatures and set temperature, thus controls indoor temperature and maintain set temperature.
Embodiment 2
As shown in Figure 2, the dotted line of Fig. 2 enclose the internal structure that part shows the thermoregulator of single channel A/D conversion, the thermoregulator of single channel A/D conversion comprises temperature sensor R, variable resistor W, temperature sensor R is for detecting indoor temperature, variable resistor W is for setting required indoor temperature, temperature sensor R and variable resistor W is connected in series, and variable resistor W is also connected in parallel with a normal open switch K.Temperature sensor R selects Siemens Ni1000 type temperature sensor, Ni1000 temperature sensor utilizes the characteristic of resistance with temperature change of nickel resistance, change variations in temperature into voltage change, again through DC-isolation conversion, obtain exporting with the DC voltage corresponding to measured point temperature of the complete isolation of input temp sensor or DC current; Temperature signal is converted to electric signal transmission to adjuster by Ni1000 temperature sensor, realizes the accurate measurement to temperature and control.Variable resistor W comprises a resistive element and an adjuster knob, and rotary actuator knob is to change the resistance of variable resistor W.Temperature controller comprises a central processor CPU, and central processor CPU comprises an input/output port I/O.The thermoregulator of single channel A/D conversion is connected with temperature controller, is provided with a modulus converter A/D between temperature controller and thermoregulator.Ni1000 type temperature sensor R and resistance R
0be connected in the input interface of modulus converter A/D, the output interface of modulus converter A/D is connected with the input/output port I/O of central processor CPU.
The thermoregulator that this single channel A/D changes, at the variable resistor W two ends of thermoregulator inside, a normal open switch K is set, the resistive element of slip W can change the resistance of variable W, and when sliding into certain position and making normal open switch K close, then variable resistor W is just shorted.Thermoregulator inside is also provided with temperature sensor R, temperature sensor R connects with variable resistor W, and only arrange a wire between thermoregulator with temperature controller and be connected, temperature controller also only takies an input/output port, circuit structure is simple, can take by saving resource.
Have the thermoregulator of the single channel A/D conversion of said structure, its implementation method is as follows:
When the adjuster knob of the variable resistor W of thermoregulator is in certain position and presses normal open switch K, normal open switch K closes, and variable resistor W is shorted;
When the normal open switch K of thermoregulator opens period, circuitous resistance is the resistance of variable resistor W and the resistance sum of Ni1000 type temperature sensor, i.e. the value of W+R;
When regulating temperature, rotary actuator knob makes the resistance of variable resistor W change, when being adjusted to set temperature, pressing normal open switch K makes normal open switch K close, at this moment values of circuit resistances is the resistance of Ni1000 type temperature sensor, when making normal open switch K recover to open when loosing one's grip again, circuitous resistance recovers the value of the W+R of former setting, this just makes circuitous resistance resistance produce a negative pulse (production process of negative pulse as shown in Figure 3 and Figure 4, Fig. 3 is the negative pulse schematic diagram heated up when regulating, negative pulse schematic diagram when Fig. 4 is cooling adjustment), this negative pulse delivers to the input/output port I/O of the central processor CPU of temperature controller, according to received negative pulse, central processor CPU judges that the temperature setting of thermoregulator is complete, and the resistance of the set resistance value W+R value corresponding to temperature of record and the Ni1000 type temperature sensor corresponding to Current Temperatures, temperature controller controls intensification according to set temperature and Current Temperatures and heat sink makes indoor temperature reach set temperature,
When the temperature varies, the resistance of Ni1000 type temperature sensor changes, its numerical value delivers to the input/output port I/O of the central processor CPU of temperature controller after being changed by modulus converter A/D, temperature controller controls to heat up or heat sink by comparing Current Temperatures and set temperature, thus controls indoor temperature and maintain set temperature.
The thermoregulator that this single channel A/D changes, temperature sensor R adopts Siemens Ni1000 temperature sensor, the switch in parallel with variable resistor W adopts normal open switch, when adjustment variable resistor W is to certain position also closed normal open switch K, variable resistor W will be shorted, open period when normal open switch K is in always, circuitous resistance is just the resistance sum of variable resistor W and Ni1000 temperature sensor R, is the value of W+R.In indoor temperature adjustment process: when regulating temperature, rotary actuator knob makes variable resistor resistance change, when being transferred to set temperature, press normal open switch K and make it closed, at this moment values of circuit resistances is the resistance of R, when making normal open switch K recover to open when loosing one's grip again, circuitous resistance recovers the W+R value of former setting, circuitous resistance resistance is made to produce a negative pulse, negative pulse is reached the I/O of temperature controller CPU, according to received negative pulse, CPU judges that the temperature setting of thermoregulator is complete, and the resistance of the set resistance value W+R value corresponding to temperature of record and the R corresponding to Current Temperatures, temperature controller controls intensification according to set temperature and Current Temperatures and heat sink makes indoor temperature reach set temperature, when the temperature varies, the resistance of R changes, its numerical value delivers to the I/O of temperature controller CPU after being changed by A/D, temperature controller controls to heat up or heat sink by comparing Current Temperatures and set temperature, thus controls indoor temperature and maintain set temperature.
Embodiment 3
For detecting the temperature sensor R of indoor temperature and the variable resistor W formation thermoregulator for setting required indoor temperature, thermoregulator is connected with temperature controller by single channel A/D conversion.Thermoregulator is set temperature required and is connected with temperature controller by electric wire or cable, the indoor temperature information of temperature controller collecting temperature sensor, controlling to heat up or heat sink by comparing with the temperature set by thermoregulator, then making indoor temperature maintain set temperature.The advantage of the thermoregulator of this single channel A/D conversion is to only have a wire to be connected between this thermoregulator with controller, and only take an I/O mouth of controller CPU, can saving resource, only need lay a circuit when indoor location simultaneously, greatly save circuit cost of installation and use.
In the thermoregulator that this single channel A/D changes, a unitary adjustable resistance switch device can be set, unitary adjustable resistance switch device is a kind of switching device of adjustable resistance of belt switch, " variable resistor W is parallel with a normal open switch K " pattern can be substituted with it, unitary adjustable resistance switch device is driven by the rotation axis of adjustable resistance and realizes switching on and off, switch form can be spring button formula, spring is rotary, shifting block is rotary or plug-type, such as spring rotary switch is exactly utilize the rotating band of axle to move spring one end interlock, drive spring other end interlock contact chip again, spring is beated, promote contact quick-make or disconnection.The adjustable resistance switching device of integral type is better in contact, reliability, and the action closure or openness switch of adjustable resistance all by axis on any adjusting position, performance is more stable, longer service life.
Temperature controller comprises a central processor CPU, and central processor CPU comprises an input/output port I/O; A modulus converter A/D is provided with between temperature controller and thermoregulator; Temperature sensor R and resistance R
0be connected in the input interface of modulus converter A/D, the output interface of modulus converter A/D is connected with the input/output port I/O of central processor CPU; Unitary adjustable resistance switch device and temperature sensor R are connected in series; Temperature sensor R can select the sensor component for measurement and control of temperature of Ni1000 type temperature sensor or other models.The principle of the thermoregulator of single channel A/D conversion and implementation procedure as previously mentioned, repeat no more.
The above is only be described the preferred embodiment of the present invention; not that scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineers and technicians in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (7)
1. the thermoregulator of a single channel A/D conversion, be connected with temperature controller, it comprises the temperature sensor (R) for detecting indoor temperature and the variable resistor (W) for setting required indoor temperature, it is characterized in that: described temperature sensor (R) and variable resistor (W) are connected in series, and described variable resistor (W) is also connected in parallel with a normal open switch (K).
2. the thermoregulator of single channel A/D conversion as claimed in claim 1, is characterized in that: described variable resistor (W) comprises a resistive element and an adjuster knob, and rotary actuator knob is to change the resistance of variable resistor (W).
3. the thermoregulator of single channel A/D conversion as claimed in claim 1, it is characterized in that: described temperature controller comprises a central processing unit (CPU), described central processing unit (CPU) comprises an input/output port (I/O).
4. the thermoregulator of single channel A/D conversion as claimed in claim 1, is characterized in that: be provided with an analog-digital converter (A/D) between described temperature controller and thermoregulator.
5. the thermoregulator of single channel A/D conversion as claimed in claim 1, is characterized in that: described temperature sensor (R) and resistance (R
0) being connected in the input interface of analog-digital converter (A/D), the output interface of analog-digital converter (A/D) is connected with the input/output port (I/O) of central processing unit (CPU).
6. the thermoregulator of single channel A/D conversion as claimed in claim 1, is characterized in that: described temperature sensor (R) adopts Ni1000 type temperature sensor.
7. an implementation method for the thermoregulator of single channel A/D conversion, is characterized in that: have employed the thermoregulator as the single channel A/D conversion in claim 1 to 6 as described in any one, the implementation method of the thermoregulator of single channel A/D conversion comprises:
When the adjuster knob of the variable resistor (W) of thermoregulator is in certain position and presses normal open switch (K), normal open switch (K) closes, and variable resistor (W) is shorted;
When the normal open switch (K) of thermoregulator opens period, circuitous resistance is the resistance of variable resistor (W) and the resistance sum of temperature sensor (R), i.e. the value of W+R;
When regulating temperature, rotary actuator knob makes the resistance of variable resistor (W) change, when being adjusted to set temperature, pressing normal open switch (K) makes normal open switch (K) close, at this moment values of circuit resistances is the resistance of temperature sensor (R), when making normal open switch (K) recover to open when loosing one's grip again, circuitous resistance recovers the value of the W+R of former setting, this just makes circuitous resistance resistance produce a negative pulse, this negative pulse delivers to the input/output port (I/O) of the central processing unit (CPU) of temperature controller, according to received negative pulse, central processing unit (CPU) judges that the temperature setting of thermoregulator is complete, and the resistance of the set resistance value W+R value corresponding to temperature of record and the temperature sensor corresponding to Current Temperatures (R), temperature controller controls intensification according to set temperature and Current Temperatures and heat sink makes indoor temperature reach set temperature,
When the temperature varies, the resistance of temperature sensor (R) changes, its numerical value is by delivering to the input/output port (I/O) of the central processing unit (CPU) of temperature controller after analog-digital converter (A/D) conversion, temperature controller controls to heat up or heat sink by comparing Current Temperatures and set temperature, thus controls indoor temperature and maintain set temperature.
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| CN201510436145.0A CN104949300B (en) | 2015-07-23 | 2015-07-23 | A kind of thermoregulator and its implementation of single channel A/D conversion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643503A (en) * | 2017-07-31 | 2018-01-30 | 惠州市德赛西威汽车电子股份有限公司 | The calibration detection circuit and method of a kind of potentiometer |
| CN109114778A (en) * | 2018-08-20 | 2019-01-01 | 广东美的暖通设备有限公司 | Multi-connected air conditioning system and its control method, device, readable storage medium storing program for executing |
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| CN87102709A (en) * | 1986-05-23 | 1987-12-16 | 三菱电机株式会社 | Air regulator |
| CN2232115Y (en) * | 1995-06-13 | 1996-07-31 | 刘耀堂 | Power automatic transfer device for electric heating cooking utensils |
| JPH1172392A (en) * | 1997-08-29 | 1999-03-16 | Toshiba Lighting & Technol Corp | Temperature detector and heating control system |
| KR20000031274A (en) * | 1998-11-04 | 2000-06-05 | 황한규 | Controller of temperature in refrigerator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102709A (en) * | 1986-05-23 | 1987-12-16 | 三菱电机株式会社 | Air regulator |
| CN2232115Y (en) * | 1995-06-13 | 1996-07-31 | 刘耀堂 | Power automatic transfer device for electric heating cooking utensils |
| JPH1172392A (en) * | 1997-08-29 | 1999-03-16 | Toshiba Lighting & Technol Corp | Temperature detector and heating control system |
| KR20000031274A (en) * | 1998-11-04 | 2000-06-05 | 황한규 | Controller of temperature in refrigerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107643503A (en) * | 2017-07-31 | 2018-01-30 | 惠州市德赛西威汽车电子股份有限公司 | The calibration detection circuit and method of a kind of potentiometer |
| CN109114778A (en) * | 2018-08-20 | 2019-01-01 | 广东美的暖通设备有限公司 | Multi-connected air conditioning system and its control method, device, readable storage medium storing program for executing |
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| CN104949300B (en) | 2019-07-30 |
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