CN104345643A - temperature simulation circuit and method - Google Patents
temperature simulation circuit and method Download PDFInfo
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- CN104345643A CN104345643A CN201310323125.3A CN201310323125A CN104345643A CN 104345643 A CN104345643 A CN 104345643A CN 201310323125 A CN201310323125 A CN 201310323125A CN 104345643 A CN104345643 A CN 104345643A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004088 simulation Methods 0.000 title claims description 61
- 230000000875 corresponding effect Effects 0.000 description 68
- 230000008859 change Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000013507 mapping Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003278 mimic effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The application discloses temperature analog circuit and method for providing temperature information for temperature sensing bulb circuit includes: digital potentiometer, microcontroller and input control interface. Utilize digital potentiometer to produce the resistance value that the preset temperature value corresponds, obtain corresponding resistance value through microcontroller according to the preset temperature value of input, and adjust digital potentiometer output assorted resistance value has realized the input and has set for the temperature value, the automatic output with the resistance signal that the preset temperature value corresponds, the resistance signal that the temperature sensing bulb circuit provided through gathering the temperature analog circuit obtains corresponding temperature signal. The temperature analog circuit and the method provided by the application realize digital setting and intelligent control of the temperature information output by the temperature analog circuit.
Description
Technical field
The application relates to debugging air conditioner technical field, particularly relates to temperature simulation circuit and method.
Background technology
Before air-conditioning dispatches from the factory, functional in order to the air-conditioning that ensures to dispatch from the factory, need to test air-conditioning, such as, the test of On-line funchon simulation and laboratory are tested.Existing air conditioner test process comprises carries out software test and hardware testing.
In order to verify the accuracy of air-conditioning mainboard program, need before operation to test the master routine of air-conditioning mainboard in laboratory, need to require to input various temperature signal to the temperature-sensitive bag circuit in air-conditioning according to Air-conditioner design, for simulating air-conditioning practical operation situation, thus can checking mainboard export the signals such as corresponding signal or driving voltage according to logic of propositions.Equally, whether correct in order to verify the assembling of mainboard, need electrical testing on mainboard, also need in test process to input corresponding temperature signal to temperature-sensitive bag circuit, thus obtain the detection of output signal or the supply voltage of being correlated with, and then judge that whether mainboard is qualified.
At present, to temperature-sensitive bag circuit input temp signal usually in the following ways, at temperature sensor or the temperature sensitive resister of the external correspondence in acquisition port place of temperature-sensitive bag circuit, then the temperature of environment residing for temperature sensor is changed, realize the change of the temperature signal that temperature-sensitive bag circuit reads in, this kind of mode uses analogy method to control temperature, can not realize intellectuality and the digitizing of temperature simulation.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of temperature simulation circuit and method, and to realize digitizing setting, automatically to change the temperature signal exported, technical scheme is as follows:
The application provides a kind of temperature simulation circuit, for providing temperature information for temperature-sensitive bag circuit, comprising: digital regulation resistance, microcontroller and input control interface;
The input end of described microcontroller connects described input control interface, and by described input control interface preset temperature information, described preset temperature information at least comprises preset temperature value;
The output terminal of described microcontroller connects the control pin of described digital regulation resistance, described microcontroller controls described digital regulation resistance according to described preset temperature information and exports corresponding resistance signal, the temperature information collected to make temperature-sensitive bag circuit and described preset temperature information match.
Preferably, described microcontroller comprises: resistance value computing unit and configuration information generation unit;
Described resistance value computing unit, for according to the preset temperature value in described preset temperature information, and the corresponding relation of temperature and resistance, obtain the resistance value that described preset temperature value is corresponding;
Described configuration information generation unit, for according to resistance value corresponding to described preset temperature value, and the resistance of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value, and be supplied to described digital regulation resistance.
Preferably, described preset temperature information also comprises Preset Time-temperature logical relation;
Described microcontroller also comprises timer, during Preset Time when reaching described when described timer in m-preset temperature logical relation, the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance.
Preferably, described temperature simulation circuit also comprises: be connected to the buffer circuit between described microcontroller and temperature-sensitive bag circuit.
Preferably, described digital regulation resistance comprises chip selection signal end, data input pin, clock signal terminal; Resistance first end, resistance second end and resistance sliding end;
Described chip selection signal end, data input pin and clock signal terminal are all connected the different output terminal of described microcontroller;
Described resistance first end or described resistance second end connect temperature-sensitive bag circuit as an output terminal, and described resistance sliding end connects and connects temperature-sensitive bag circuit as another output terminal.
Preferably, described temperature simulation circuit also comprises: the load module be connected with described input control interface.
The application also provides a kind of temperature simulation method, is applied to temperature simulation circuit, and described temperature simulation circuit at least comprises microcontroller and digital regulation resistance, comprising:
Receive preset temperature information, described preset temperature information at least comprises preset temperature value;
According to described preset temperature information, control figure potentiometer exports the resistance signal corresponding with described preset temperature value.
Preferably, described according to described preset temperature information, export the resistance value corresponding with described preset temperature value and comprise:
According to described preset temperature value, and the corresponding relation of temperature and resistance value, obtain the resistance value that described preset temperature value is corresponding;
According to the resistance value that described preset temperature value is corresponding, and the resistance value of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value, and be supplied to described digital regulation resistance.
Preferably, described preset temperature information also comprises Preset Time-temperature logical relation, then, before the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance, also comprise:
Judge whether timing reaches the Preset Time in described Preset Time-temperature logical relation, if so, then the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance.
The technical scheme provided from above the embodiment of the present application, described temperature simulation circuit and method, digital regulation resistance is utilized to produce the resistance signal corresponding with preset temperature value, make the described resistance signal of temperature-sensitive bag circuit by gathering, as the electric signal that temperature signal is corresponding, namely temperature-sensitive bag circuit collects the electric signal corresponding with preset temperature value.Concrete, corresponding resistance value is obtained according to the preset temperature value inputted by microcontroller, and regulate described digital regulation resistance to export the resistance value matched, achieve input design temperature numerical value, the resistance signal that automatic output is corresponding with preset temperature numerical value, the resistance signal that temperature-sensitive bag circuit is provided by collecting temperature mimic channel, obtains corresponding temperature signal.The temperature information that the temperature simulation circuit that the application provides and method achieve temperature simulation circuit exports carries out digitizing setting and intelligentized control method.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of temperature simulation circuit of the embodiment of the present application;
Fig. 2 is the structural representation of the another kind of temperature simulation circuit of the embodiment of the present application;
Fig. 3 is the structural representation of the another kind of temperature simulation circuit of the embodiment of the present application;
Fig. 4 is the schematic flow sheet of a kind of temperature simulation method of the embodiment of the present application;
Fig. 5 is the schematic flow sheet of the another kind of temperature simulation method of the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of temperature simulation circuit, for providing temperature information for temperature-sensitive bag circuit, comprising: digital regulation resistance, microcontroller and input control interface;
The input end of described microcontroller connects described input control interface, and by described input control interface preset temperature information, described preset temperature information at least comprises preset temperature value;
The output terminal of described microcontroller connects the control pin of described digital regulation resistance, described microcontroller controls described digital regulation resistance according to described preset temperature information and exports corresponding resistance signal, the temperature information collected to make temperature-sensitive bag circuit and described preset temperature information match.
Described temperature simulation circuit utilizes digital regulation resistance to produce resistance value corresponding to preset temperature value, corresponding resistance value is obtained according to the preset temperature value inputted by microcontroller, and regulate described digital regulation resistance to export the resistance value matched, achieve input design temperature numerical value, the resistance signal that automatic output is corresponding with preset temperature numerical value, achieves digitizing setting and intelligentized control method.
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The structural representation of temperature simulation circuit shown in Figure 1, described temperature simulation circuit is used for providing temperature information for temperature-sensitive bag circuit, concrete, provides the resistance signal corresponding with temperature signal.
Described temperature simulation circuit comprises: digital regulation resistance 1, microcontroller 2 and input control interface 3.
Input control interface 3 connects the input end of microcontroller 2, is supplied to microcontroller 2 for the preset temperature information inputted by the input equipment of outside.
The output terminal of microcontroller 2 connects the control pin of digital regulation resistance 1, and microcontroller 2 exports corresponding resistance signal according to the preset temperature information control figure potentiometer 1 received, and the output terminal of digital regulation resistance 1 connects the collection port of temperature-sensitive bag circuit 4.
Concrete, microcontroller 2, according to the preset temperature value received, is inquired about the mapping table between temperature and resistance value prestored, is obtained the resistance value that preset temperature is corresponding.During concrete enforcement, microcontroller 2 can pass through chip microcontroller.
Corresponding relation between described temperature and resistance value can in advance according to the collection resistance in temperature-sensitive bag circuit, and the corresponding relation between voltage signal and temperature value calculates.
Such as, preset temperature is 25 DEG C, it is 50K Ω that mapping table between temperature with resistance value checks in 25 DEG C of corresponding resistance values, the gear of foundation digital regulation resistance is inquired about with the corresponding relation between resistance value and is obtained gear configuration information corresponding to 50K Ω further, and this gear configuration information is supplied to described digital regulation resistance, make the resistance value that the output of digital regulation resistance and 50K Ω match.
Because the control accuracy of digital regulation resistance is limited, the consecutive variations of output resistance can not be reached, when digital regulation resistance can not export the resistance value of 50K Ω, can only output resistance and the immediate resistance value of 50K Ω.
Temperature-sensitive bag circuit 4 gathers the resistance value of the output resistance of digital regulation resistance 1, and carry out dividing potential drop with the collection resistance R1 of temperature-sensitive bag inside circuit, obtain and gather voltage signal on resistance R1 as electric signal corresponding to temperature signal, by changing the output resistance of digital regulation resistance, change the voltage signal gathered on resistance R1, thus reach the change of the temperature signal inputing to temperature-sensitive bag circuit.
The temperature simulation circuit that the present embodiment provides, digital regulation resistance is utilized to produce resistance value corresponding to preset temperature value, corresponding resistance value is obtained according to the preset temperature value inputted by microcontroller, and regulate described digital regulation resistance to export the resistance value matched, achieve input design temperature numerical value, the resistance signal that automatic output is corresponding with preset temperature numerical value, the resistance signal that temperature-sensitive bag circuit is provided by collecting temperature mimic channel, obtains corresponding temperature signal.The temperature information that the temperature simulation circuit that the application provides and method achieve temperature simulation circuit exports carries out digitizing setting and intelligentized control method.
Refer to Fig. 2, show the structural representation of another kind of temperature simulation circuit, concrete refinement is carried out to the circuit described in Fig. 1.
The temperature simulation circuit that the present embodiment provides comprises: input control interface 100, microcontroller 200, digital regulation resistance 300, wherein microcontroller 200 comprises resistance value computing unit 201, configuration information generation unit 202, timer 203, and digital regulation resistance 300 is realized by chip AD5206.
Input control interface 100 connects the input end of microcontroller 200 by connection, and the preset temperature information received is supplied to microcontroller, and wherein, described preset temperature information comprises the logical relation between preset temperature value and Preset Time.
The chip selection signal CS of the first output terminal connection chip AD5206 of microcontroller 200 holds, and described chip selection signal CS is Low level effective end, and when namely chip selection signal CS holds as low level signal, chip AD5206 can work.
Second output terminal of microcontroller 200 connects the clock signal clk end of chip AD5206.
The output terminal of configuration information generation unit 202 connects the data input SDI end of chip AD5206 as the data output end of microcontroller,
Chip AD5206, when clock signal is rising edge, reads the data of data input pin, namely reads the gear configuration information of the chip AD5206 that configuration information generation unit produces, exports corresponding resistance value to make chip AD5206.
The adjustable resistance output pin of chip AD5206 is resistance first end A1, resistance second end B1 and resistance sliding end W1, wherein, one that connects temperature-sensitive bag circuit gathers port, W1 connects another collection port of temperature-sensitive bag circuit, then the resistance accessed in temperature-sensitive bag circuit is the resistance between A1 or B1 end and W1 hold.
The course of work of the temperature simulation circuit that the present embodiment provides is as follows:
After microcontroller receives described preset temperature information, resistance value computing unit 201 is according to preset temperature value, and the mapping table of temperature and resistance value, and inquiry obtains resistance value corresponding to preset temperature and is supplied to described configuration information generation unit 202.
Such as, Preset Time-temperature logical relation is specially temperature change to 25 DEG C after 50s, then Preset Time is 50s, and preset temperature is 25 DEG C.Resistance calculations unit 201 is according to the mapping table of temperature and resistance value, and inquiry obtains resistance value corresponding to preset temperature 25 DEG C (such as 50K Ω).
During concrete enforcement, the mapping table between described temperature and resistance value can prestore in the microcontroller, can in advance according to the collection resistance in temperature-sensitive bag circuit, and the corresponding relation between voltage signal and temperature value calculates.
Configuration information generation unit 202, according to above-mentioned resistance value (50K Ω), the mapping table between the gear of enquiring digital potentiometer and resistance value, obtains the gear configuration information of digital regulation resistance.
When microcontroller receives described preset temperature information, start inner timer 203 and start timing, when after timer 203 timing to Preset Time, by generation one look-at-me, after microcontroller receives this look-at-me, the gear configuration information of the digital regulation resistance 300 obtained by configuration information generation unit sends to digital regulation resistance, with the resistance making the resistance value that digital regulation resistance 300 exports and resistance calculations unit 201 calculates match.
Because described chip AD5206 has 0 ~ 255 resistance gear, the change of 256 resistance values can be realized, if the maximum resistance of the adjustable resistance in AD5206 is 100K Ω, then the degree of regulation of adjustable resistance is 100K Ω/256=390 Ω, namely the resistance value that chip AD5206 exports cannot consecutive variations, therefore, if AD5206 can not output resistance computing unit calculate resistance value time, resistance immediate with described resistance value can only be exported.
When change inputs to the temperature value of temperature-sensitive bag circuit, the resistance value of the adjustable resistance in digital regulation resistance 300 is changed by microcontroller, the resistance value that the acquisition port of temperature-sensitive bag circuit is accessed changes, thus the voltage drop on the collection resistance R1 of temperature-sensitive bag inside circuit is changed, the final adjustment realized the temperature that temperature-sensitive bag circuit inputs.
It should be noted that, AD5206 chip internal in the present embodiment is integrated with 6 groups of solid relays, each solid relay all can connect a temperature-sensitive bag circuit, and the temperature simulation circuit that namely the present embodiment provides can provide temperature value to 6 temperature-sensitive bag circuit simultaneously.
The temperature simulation circuit that the present embodiment provides, receives the temperature information preset, the logical relation of such as preset temperature value and Preset Time, meanwhile, starts the timer of microcontroller.Microcontroller obtains resistance value corresponding to preset temperature according to temperature with the corresponding relation between resistance value, when reaching Preset Time when timer, regulates the adjustable resistance in digital regulation resistance, makes it export corresponding resistance signal.Described temperature simulation circuit realiration carries out digitizing setting and intelligentized control method to the temperature information that temperature simulation circuit exports, change without the need to operator, the temperature being supplied to temperature-sensitive bag circuit is changed at preset timed intervals, realizes unmanned test, experiment.
Preferably, the temperature simulation circuit that above-described embodiment provides can also comprise optical coupling isolator, can isolate temperature-sensitive bag circuit and microcontroller circuit, plays insulation blocking effect.
Refer to Fig. 3, show the structural representation of the another kind of temperature simulation circuit of the embodiment of the present application, basis embodiment illustrated in fig. 1 adds load module 5.
Described load module 5 is connected with input control interface 3, for inputting preset temperature information to microcontroller.
During concrete enforcement, described load module 5 can be computing machine or programmable device, carries out initialization by computer program or Single Chip Microcomputer (SCM) program to microcontroller.
Specifically, initialization comprises microcontroller and communication set up by digitizer, the initial value design of digital regulation resistance, receives preset temperature information, wherein receives preset temperature information and comprises reception preset temperature value and/or receive temperature intelligent control logic of propositions relation.
The initial value design of digital regulation resistance instigates the initial value of digital regulation resistance in the resistance value input range of temperature-sensitive bag circuit.
Receive preset temperature value and refer to the initialization receiving load module, the initialization value sent according to load module or manual preset value, control the resistance value of digital regulation resistance, make it export corresponding resistance.
Receive temperature intelligent control logic of propositions relation to refer to, after operator sets up by load module 5 logical relation that a temperature converts in time, microcontroller will record the logic of temperature to time variations automatically, thus the output resistance in the corresponding moment to digital regulation resistance controls, such as, after 1min by temperature change to 20 DEG C.
Corresponding to temperature simulation circuit embodiments above, the application also provides a kind of temperature simulation method.
Refer to the schematic flow sheet that Fig. 4 shows a kind of temperature simulation method of the embodiment of the present application, described method is applied to temperature simulation circuit, and described temperature simulation circuit at least comprises input control interface, microcontroller and digital regulation resistance.
Said method comprising the steps of:
101, receive preset temperature information, described preset temperature information at least comprises preset temperature value.
During concrete enforcement, can pass through input control interface preset temperature information, described preset temperature information can be inputted by input equipment.
102, according to described preset temperature value, and the corresponding relation of temperature and resistance value, obtain the resistance value that described preset temperature value is corresponding.
Corresponding relation between described temperature and resistance value can in advance according to the collection resistance in temperature-sensitive bag circuit, and the corresponding relation between voltage signal and temperature value calculates.
103, according to the resistance value that described preset temperature value is corresponding, and the resistance value of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value, and be supplied to described digital regulation resistance.
Corresponding relation between the resistance value of described digital regulation resistance and gear can prestore in the microcontroller.
The temperature simulation method that the present embodiment provides, by the resistance value that control figure potentiometer exports, change the voltage signal on temperature-sensitive bag inside circuit collection resistance R1, final realization is to the adjustment of the temperature that temperature-sensitive bag circuit inputs, application the method, directly can input preset temperature, make temperature-sensitive bag circuit collect corresponding temperature signal, achieve digitized temperature simulation and export.
Refer to Fig. 5, show the schematic flow sheet of the another kind of temperature simulation method of the embodiment of the present application, described method is applied to temperature simulation circuit, and described temperature simulation circuit comprises input control interface, microcontroller and digital regulation resistance.Said method comprising the steps of:
201, receive preset temperature information, described preset temperature information at least comprises Preset Time-temperature logical relation.
During concrete enforcement, can pass through input control interface preset temperature information, described preset temperature information can be inputted by input equipment, comprises the logical relation between Preset Time and preset temperature, and such as, after 1min, temperature fades to 25 DEG C.
202, timer starts timing;
While microcontroller receives described preset temperature information, start timing.
203, according to described preset temperature value, and the corresponding relation of temperature and resistance value, obtain the resistance value that described preset temperature value is corresponding.
Corresponding relation between described temperature and resistance value can in advance according to the collection resistance in temperature-sensitive bag circuit, and the corresponding relation between voltage signal and temperature value calculates.
204, according to the resistance value that described preset temperature value is corresponding, and the resistance value of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value.
205, whether reach Preset Time when judging described timer, if so, then perform step 206, otherwise, continue to judge to perform step 205.
206, described gear configuration information is supplied to described digital regulation resistance.
Corresponding relation between the resistance value of described digital regulation resistance and gear can prestore in the microcontroller.
The temperature simulation method that the present embodiment provides, while receiving the temperature information (logical relation such as between preset temperature value and Preset Time) preset, starts the timer of microcontroller.Microcontroller obtains resistance value corresponding to preset temperature according to temperature with the corresponding relation between resistance value, when reaching Preset Time when timer, regulates the adjustable resistance in digital regulation resistance, makes it export corresponding resistance signal.This kind of temperature simulation control method achieves carries out digitizing setting and intelligentized control method to the temperature information of temperature simulation circuit output, change without the need to operator, the temperature being supplied to temperature-sensitive bag circuit is changed at preset timed intervals, realizes unmanned test, experiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments, and relevant part illustrates see the part of embodiment of the method.Device embodiment described above is only schematic, and the wherein said unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (9)
1. a temperature simulation circuit, for providing temperature information for temperature-sensitive bag circuit, is characterized in that, comprise: digital regulation resistance, microcontroller and input control interface;
The input end of described microcontroller connects described input control interface, and by described input control interface preset temperature information, described preset temperature information at least comprises preset temperature value;
The output terminal of described microcontroller connects the control pin of described digital regulation resistance, described microcontroller controls described digital regulation resistance according to described preset temperature information and exports corresponding resistance signal, the temperature information collected to make temperature-sensitive bag circuit and described preset temperature information match.
2. temperature simulation circuit according to claim 1, is characterized in that, described microcontroller comprises: resistance value computing unit and configuration information generation unit;
Described resistance value computing unit, for according to the preset temperature value in described preset temperature information, and the corresponding relation of temperature and resistance, obtain the resistance value that described preset temperature value is corresponding;
Described configuration information generation unit, for according to resistance value corresponding to described preset temperature value, and the resistance of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value, and be supplied to described digital regulation resistance.
3. temperature simulation circuit according to claim 2, is characterized in that, described preset temperature information also comprises Preset Time-temperature logical relation;
Described microcontroller also comprises timer, during Preset Time when reaching described when described timer in m-preset temperature logical relation, the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance.
4. temperature simulation circuit according to claim 1, is characterized in that, also comprise: be connected to the buffer circuit between described microcontroller and temperature-sensitive bag circuit.
5. the temperature simulation circuit according to any one of claim 1-4, is characterized in that, described digital regulation resistance comprises chip selection signal end, data input pin, clock signal terminal; Resistance first end, resistance second end and resistance sliding end;
Described chip selection signal end, data input pin and clock signal terminal are all connected the different output terminal of described microcontroller;
Described resistance first end or described resistance second end connect temperature-sensitive bag circuit as an output terminal, and described resistance sliding end connects and connects temperature-sensitive bag circuit as another output terminal.
6. the temperature simulation circuit according to any one of claim 1-4, is characterized in that, also comprises the load module be connected with described input control interface.
7. a temperature simulation method, is characterized in that, is applied to temperature simulation circuit, and described temperature simulation circuit at least comprises microcontroller and digital regulation resistance, comprising:
Receive preset temperature information, described preset temperature information at least comprises preset temperature value;
According to described preset temperature information, control figure potentiometer exports the resistance signal corresponding with described preset temperature value.
8. temperature simulation method according to claim 7, is characterized in that, described according to described preset temperature information, exports the resistance value corresponding with described preset temperature value and comprises:
According to described preset temperature value, and the corresponding relation of temperature and resistance value, obtain the resistance value that described preset temperature value is corresponding;
According to the resistance value that described preset temperature value is corresponding, and the resistance value of described digital regulation resistance and gear corresponding relation, obtain the gear configuration information of described digital regulation resistance corresponding to described resistance value, and be supplied to described digital regulation resistance.
9. temperature simulation method according to claim 8, is characterized in that, described preset temperature information also comprises Preset Time-temperature logical relation, then, before the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance, also comprise:
Judge whether timing reaches the Preset Time in described Preset Time-temperature logical relation, if so, then the gear configuration information of described digital regulation resistance is supplied to described digital regulation resistance.
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| CN105159349A (en) * | 2015-06-28 | 2015-12-16 | 国家电网公司 | Temperature change simulating device and method |
| CN105425861A (en) * | 2016-01-08 | 2016-03-23 | 珠海格力电器股份有限公司 | Temperature control circuit |
| CN105445049A (en) * | 2015-12-11 | 2016-03-30 | 四川长虹空调有限公司 | Air conditioner debugging device |
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| CN107179140A (en) * | 2017-04-20 | 2017-09-19 | 广州市豪尔生医疗设备有限公司 | A kind of system that temperature is obtained by test pressure |
| CN108931954A (en) * | 2018-08-28 | 2018-12-04 | 康泰医学系统（秦皇岛）股份有限公司 | Temperature signals simulation output equipment |
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| CN113885359A (en) * | 2021-10-27 | 2022-01-04 | 江西洪都航空工业集团有限责任公司 | Semi-physical simulation atmospheric temperature simulation method |
| CN113933639A (en) * | 2021-11-01 | 2022-01-14 | 南方电网调峰调频发电有限公司检修试验分公司 | Intelligent debugging platform |
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| CN112213136A (en) * | 2020-09-29 | 2021-01-12 | 格力电器（武汉）有限公司 | Air speed detection device, system and method for external unit electrical box of air conditioner cabinet |
| CN113885359A (en) * | 2021-10-27 | 2022-01-04 | 江西洪都航空工业集团有限责任公司 | Semi-physical simulation atmospheric temperature simulation method |
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