CN203083743U - Temperature sensor detection device - Google Patents
Temperature sensor detection device Download PDFInfo
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- CN203083743U CN203083743U CN2013200411936U CN201320041193U CN203083743U CN 203083743 U CN203083743 U CN 203083743U CN 2013200411936 U CN2013200411936 U CN 2013200411936U CN 201320041193 U CN201320041193 U CN 201320041193U CN 203083743 U CN203083743 U CN 203083743U
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Abstract
The utility model discloses a temperature sensor detection device, comprising a heating control unit, a heating oil cylinder, an oil temperature detection unit, a detected temperature sensor, a signal amplifying unit, a comparison unit and a display unit. The cyclical heating of the engine oil is realized through the heating control unit, and the oil layer temperatures at the upper layer, middle layer and the lower layer in the heating oil cylinder are kept consistent, thus the possibility of detection result distortion caused by oil temperature errors of the detected temperature sensor is minimized. The difference between the actual temperature of the engine oil in the heating oil cylinder and the detection temperature obtained by the detected temperature sensor is calculated through the comparison unit, whether the detected temperature sensor is accurate or not can be judged according to the difference, thereby improving the detection accuracy; meanwhile, various detection information output by the comparison unit can be directly displayed through an LCD screen, can be printed through a printer, and can be sent to a remote computer through the Internet, thereby improving the detection efficiency.
Description
Technical field
The utility model relates to the sensor detecting field, relates in particular to a kind of temperature sensor detector.
Background technology
Along with the fast development of China's economic construction, industry such as coal constantly develop towards the direction of mechanization, robotization, and various collieries are widely used in the various coal mining constructions with special vehicle.And anti-explosion diesel engine is a kind of supporting power that is widely used.Owing to have a large amount of damps in the special producing environment of coal mine roadway; the heat that produces at work when diesel engine surpasses setting; cause temperature to be raised to and when surpassing the burning-point of above-mentioned damp; can cause catastrophic consequence such as blast in the colliery; therefore; must pass through the delivery temperature of the protective device of anti-explosion diesel engine to diesel engine; cooling water temperature and diesel engine surface temperature effectively detect; when any one exceeds standard; the protective device of anti-explosion diesel engine will be reported to the police automatically and diesel engine is quit work, thereby avoid the blast of damp in the damage of diesel engine and the ore deposit.In summary; the accuracy of delivery temperature, cooling water temperature and the diesel engine surface temperature testing result of diesel engine is directly affected the security performance of diesel engine; and temperature detection realizes by temperature sensor; so it is vital that the accuracy of temperature sensor in the anti-explosion diesel protector and sensitivity are detected.
The conventional temperature sensor detection method is by manually-operated upper strata, middle level, lower floor that temperature sensor is placed on oil cylinder respectively to be detected once, and by thermopair testing result is inputed to temperature controller, and the accuracy of finishing temperature sensor detects.But there is following deficiency in said method: one, the error rate height of manual detection.When oil cylinder is heated, the gentle lower floor of the upper strata of machine oil oil oil temperature generally differs 20 to 50 degrees centigrade in the oil cylinder, and along with the carrying out of heating, the oil temperature changes also bigger, cause temperature sensor can not truly measure in the oil cylinder true temperature of oil temperature, thus the also effective accuracy of detected temperatures sensor just.Two, owing to be testing result to be inputed to temperature controller by thermopair, thus show and unstable result, the numeral drift of record bigger, and may leak the overproof sensor of performance.
The utility model content
At above-mentioned technical matters, the purpose of this utility model is to provide a kind of temperature sensor detector, it is to the heating that circulates of machine oil in the oil cylinder, the oily temperature of oil reservoir is consistent about making in the oil cylinder, thereby reduced owing to the inconsistent detection error that causes of temperature of oil reservoir up and down, improved the accuracy of testing result.
For reaching this purpose, the utility model by the following technical solutions:
A kind of temperature sensor detector, comprise add thermal control units, the oil cylinder of heating, oily temperature detecting unit, detected temperature sensor, signal amplification unit, comparing unit and display unit; Wherein, just put into the oil cylinder of heating when the reservoir temperature of described detected temperature sensor machine oil upper strata, middle level, lower floor in the oil cylinder of heating is identical, begin to detect;
The described thermal control units that adds is connected with the oil cylinder of heating, and is used for the reservoir temperature according to heat oil cylinder machine oil upper strata, middle level, lower floor, adjusts the position of described machine oil upper strata, middle level, lower floor, realizes the circulation heating to machine oil;
Described oil temperature detecting unit is arranged on the oil cylinder inside of heating, and is used for obtaining the oil temperature signal of oil cylinder machine oil upper strata, middle level and lower floor of heating, and exports to signal amplification unit;
Described signal amplification unit is connected with detected temperature sensor and oily temperature detecting unit, is used for the oil temperature signal that detected temperature sensor is obtained and the oil temperature signal of described upper strata, middle level and lower floor and carries out processing and amplifying, and export to comparing unit;
Described comparing unit is connected with signal amplification unit, be used for oil temperature signal according to the upper strata after described processing and amplifying, middle level and lower floor, obtain the reservoir temperature of machine oil upper strata, middle level and lower floor, the oil temperature signal that obtains according to the detected temperature sensor after described processing and amplifying, obtain the detected temperatures of machine oil, and, calculate the difference of reservoir temperature and detected temperatures on the upper strata, when middle level and lower floor reservoir temperature are consistent, judge according to this difference whether detected temperature sensor is accurate;
Described display unit is connected with comparing unit, is used to show the reservoir temperature of oil temperature that detected temperature sensor obtains, machine oil upper strata, middle level and lower floor that oily temperature detecting unit obtains and the difference information of described oil temperature and reservoir temperature.
Especially, described oil temperature detecting unit comprises three temperature sensors, be arranged at upper strata, middle level and the lower floor of the oil cylinder of heating respectively, obtain upper strata temperature signal, middle level temperature signal and lower floor's temperature signal of machine oil in the oil cylinder of heating, and export to signal amplification unit.
Especially, described signal amplification unit comprises operational amplifier and differential amplifier.
Especially, described comparing unit is selected single-chip microcomputer for use.
Especially, described display unit is selected LCDs for use.
Especially, described temperature sensor detector also comprises printer, be connected with comparing unit, the oil temperature that detected temperature sensor is obtained, the reservoir temperature of machine oil upper strata, middle level and the lower floor that oily temperature detecting unit obtains and the difference information of described oil temperature and reservoir temperature print.
Especially, the described comparing unit difference information that also is used for the reservoir temperature of machine oil upper strata, middle level and lower floor that the oil temperature that detected temperature sensor is obtained, oily temperature detecting unit obtain and described oil temperature and reservoir temperature sends to remote computer by the internet and uses.
Especially, the described oil cylinder of heating is set to three, is respectively exhaust and detects oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder, all is connected with described signal amplification unit;
The temperature sensor that described exhaust detection oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder are respectively applied for the temperature sensor of the temperature sensor that detects delivery temperature in the anti-explosion diesel protector, detection cooling water temperature and detection diesel engine surface temperature detects.
The utility model is when the reservoir temperature of machine oil upper strata, middle level, lower floor is inconsistent, adjust the position of described machine oil upper strata, middle level, lower floor by adding thermal control units, the upper strata oil circulation is heated to the bottom of the oil cylinder of heating, realization is to the circulation heating of machine oil, with heat oil cylinder at the middle and upper levels, the reservoir temperature of middle level and lower floor is consistent, and makes detected temperature sensor drop to minimum owing to oily temperature error causes testing result distortion possibility.Calculate the true temperature of machine oil in the oil cylinder of heating and the difference of the detected temperatures that detected sensor obtains by comparing unit, judge according to this difference whether detected temperature sensor is accurate, improved the accuracy that detects, simultaneously, the oil temperature that the detected temperature sensor of comparing unit output obtains, the machine oil upper strata that the warm detecting unit of oil obtains, the difference information of the reservoir temperature of middle level and lower floor and described oil temperature and reservoir temperature can print by printer, intuitively show by display unit, and send to remote computer by the internet, improved the detection efficiency of temperature sensor.
Description of drawings
The temperature sensor detector structural drawing that Fig. 1 provides for the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with drawings and Examples.
Please refer to shown in Figure 1, the temperature sensor detector structural drawing that Fig. 1 provides for the utility model embodiment.
In the present embodiment temperature sensor detector comprise add thermal control units 101, the oil cylinder 102 of heating, oily temperature detecting unit 103, detected temperature sensor 104, signal amplification unit 105, comparing unit 106, display unit 107 and printer 108; Wherein, just put into the oil cylinder 102 of heating when the reservoir temperature of described detected temperature sensor 104 machine oil upper strata, middle level, lower floor in the oil cylinder 102 of heating is identical, begin to detect.
The described thermal control units 101 that adds is connected with the oil cylinder 102 of heating, and is used for the reservoir temperature according to heat oil cylinder 102 machine oil upper stratas, middle level, lower floor, adjusts the position of described machine oil upper strata, middle level, lower floor, realizes the circulation heating to machine oil.
For realize heating oil cylinder 102 at the middle and upper levels, the reservoir temperature unanimity of middle level, lower floor, the utility model uses the mode of circulation bottom heating that the oil cylinder 102 of heating is heated.When comparing unit 106 calculates the reservoir temperature of machine oil upper strata, middle level, lower floor when inconsistent, will adjust the position of described machine oil upper strata, middle level, lower floor by adding thermal control units 101, realize the exchange of upper strata machine oil and lower floor's machine oil; Because the machine oil of lower floor heats up very fast, thus temperature lower oil circulation in upper strata is heated to the bottom of the oil cylinder 102 of heating, thus reduce the temperature difference of upper strata machine oil and lower floor's machine oil.Repeat said process, until heat oil cylinder 102 at the middle and upper levels, the reservoir temperature unanimity of middle level, lower floor, just begin detected temperature sensor is detected this moment.
Described oil temperature detecting unit 103 is arranged on oil cylinder 102 inside of heating, and is used for obtaining the oil temperature signal of oil cylinder 102 machine oil upper stratas, middle level and lower floor of heating, and exports to signal amplification unit 105.
Oily in the present embodiment temperature detecting unit 103 comprises three temperature sensors, be arranged at upper strata, middle level and the lower floor of the oil cylinder 102 of heating respectively, obtain upper strata temperature signal, middle level temperature signal and lower floor's temperature signal of machine oil in the oil cylinder 102 of heating, and export to signal amplification unit 105.Need to prove that described three temperature sensors are is qualified, temperature sensor accurately.
Described signal amplification unit 105 is connected with detected temperature sensor 104 and oily temperature detecting unit 103, be used for the oil temperature signal that detected temperature sensor 104 is obtained and the oil temperature signal of described upper strata, middle level and lower floor and carry out processing and amplifying, and export to comparing unit 106.
Described comparing unit 106 is connected with signal amplification unit 105, be used for oil temperature signal according to the upper strata after described processing and amplifying, middle level and lower floor, obtain the reservoir temperature of machine oil upper strata, middle level and lower floor, the oil temperature signal that obtains according to the detected temperature sensor 104 after described processing and amplifying, obtain the detected temperatures of machine oil, and on the upper strata, when middle level and lower floor reservoir temperature are consistent, calculate the difference of reservoir temperature and detected temperatures, judge according to this difference whether detected temperature sensor is accurate.
Comparing unit 106 is processing enters of data, selects single-chip microcomputer in the present embodiment for use.The effect of this single-chip microcomputer mainly contains two aspects, one side is according to the oil temperature signal of upper strata, middle level and lower floor after handling through signal amplification unit 105, obtain the reservoir temperature of machine oil upper strata, middle level and lower floor, according to the oil temperature signal that detected temperature sensor 104 after handling through signal amplification unit 105 obtains, obtain the detected temperatures of machine oil.Be the difference of calculating reservoir temperature and detected temperatures in real time on the other hand, and judge according to this difference whether detected temperature sensor is accurate.The reservoir temperature of the oil temperature that described single-chip microcomputer can also obtain detected temperature sensor 104, machine oil upper strata, middle level and the lower floor that oily temperature detecting unit 103 obtains and the difference information of described oil temperature and reservoir temperature send to remote computer 109 by the internet and use, and realize remote analysis and data sharing.
Described display unit 107 is connected with comparing unit 106, is used to show the reservoir temperature of oil temperature that detected temperature sensor 104 obtains, machine oil upper strata, middle level and lower floor that oily temperature detecting unit 103 obtains and the difference information of described oil temperature and reservoir temperature.
Described printer 108 is connected with comparing unit 106, and the oil temperature that detected temperature sensor 104 is obtained, the reservoir temperature of machine oil upper strata, middle level and the lower floor that oily temperature detecting unit 103 obtains and the difference information of described oil temperature and reservoir temperature print.
By printer 108 can whether detected temperature sensor 104 is qualified information, and the oil temperature that obtains of detected temperature sensor 104, the reservoir temperature of machine oil upper strata, middle level and lower floor that oily temperature detecting unit 103 obtains and the difference information of described oil temperature and reservoir temperature print.So, made things convenient for the analysis of testing staff to data.
When utilize temperature sensor detector to the anti-explosion diesel protector in during the detecting of temperature sensor; three oil cylinders 102 of heating need be set; be respectively exhaust and detect oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder, all be connected with described signal amplification unit 105.The temperature sensor that described exhaust detection oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder are respectively applied for the temperature sensor of the temperature sensor that detects delivery temperature in the anti-explosion diesel protector, detection cooling water temperature and detection diesel engine surface temperature detects.Simultaneously, with three oil cylinders 102 of heating also supporting respectively be provided with separately add thermal control units 101.At this moment, signal amplification unit 105 will be handled the temperature signal of described three oil cylinder 102 inputs of heating simultaneously, comparing unit 106 also will detect the temperature sensor of detection delivery temperature, the temperature sensor of detection cooling water temperature and the temperature sensor of detection diesel engine surface temperature simultaneously, and display unit 107 also will show the testing result to the temperature sensor of the temperature sensor that detects delivery temperature, the temperature sensor that detects cooling water temperature and detection diesel engine surface temperature simultaneously.Detailed process is as follows:
Oily temperature detecting unit 103 detects the reservoir temperature unanimity of upper strata, middle level and lower floor in exhaust detection oil cylinder; reach 66 ℃ (degree centigrade) time; the temperature sensor that detects delivery temperature in the protective device is put into exhaust detect oil cylinder; if the oil temperature that this temperature sensor obtains is in 64 ℃ of-68 ℃ of scopes; also be that the difference of described reservoir temperature and described oil temperature is during less than 2 ℃; illustrate that the temperature sensor that detects delivery temperature in this protective device is qualified, otherwise defective.
Oily temperature detecting unit 103 detects the reservoir temperature unanimity of upper strata, middle level and lower floor in chilled water detection oil cylinder; reach 93 ℃ (degree centigrade) time; the temperature sensor that detects cooling water temperature in the protective device is put into exhaust detect oil cylinder; if the oil temperature that this temperature sensor obtains is in 91 ℃ of-93 ℃ of scopes; also be that the difference of described reservoir temperature and described oil temperature is during less than 2 ℃; illustrate that the temperature sensor that detects cooling water temperature in this protective device is qualified, otherwise defective.
Same; oily temperature detecting unit 103 detects the reservoir temperature unanimity of upper strata, middle level and lower floor in surface detection oil cylinder; when reaching 148 ℃; the temperature sensor that detects cooling water temperature in the protective device is put into exhaust detect oil cylinder; if the oil temperature that this temperature sensor obtains is in 146 ℃ of-150 ℃ of scopes; also be that the difference of described reservoir temperature and described oil temperature is during less than 2 ℃; illustrate that the temperature sensor that detects the diesel engine surface temperature in this protective device is qualified, otherwise defective.
The technical solution of the utility model realizes the circulation of machine oil is heated by adding thermal control units, with heat oil cylinder at the middle and upper levels, the reservoir temperature of middle level and lower floor is consistent, and makes detected temperature sensor drop to minimum owing to oily temperature error causes testing result distortion possibility.Calculate the true temperature of machine oil in the oil cylinder of heating and the difference of the detected temperatures that detected sensor obtains by single-chip microcomputer, judge according to this difference whether detected temperature sensor is accurate, improved the accuracy that detects, simultaneously, the various detection information of single-chip microcomputer output all can intuitively show by LCDs, print by printer, and send to remote computer, improved detection efficiency by the internet.
Above-mentioned only is preferred embodiment of the present utility model and institute's application technology principle; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed in the protection domain of the present utility model.
Claims (8)
1. a temperature sensor detector is characterized in that, comprise add thermal control units, the oil cylinder of heating, oily temperature detecting unit, detected temperature sensor, signal amplification unit, comparing unit and display unit; Wherein, just put into the oil cylinder of heating when the reservoir temperature of described detected temperature sensor machine oil upper strata, middle level, lower floor in the oil cylinder of heating is identical, begin to detect;
The described thermal control units that adds is connected with the oil cylinder of heating, and is used for the reservoir temperature according to heat oil cylinder machine oil upper strata, middle level, lower floor, adjusts the position of described machine oil upper strata, middle level, lower floor, realizes the circulation heating to machine oil;
Described oil temperature detecting unit is arranged on the oil cylinder inside of heating, and is used for obtaining the oil temperature signal of oil cylinder machine oil upper strata, middle level and lower floor of heating, and exports to signal amplification unit;
Described signal amplification unit is connected with detected temperature sensor and oily temperature detecting unit, is used for the oil temperature signal that detected temperature sensor is obtained and the oil temperature signal of described upper strata, middle level and lower floor and carries out processing and amplifying, and export to comparing unit;
Described comparing unit is connected with signal amplification unit, be used for oil temperature signal according to the upper strata after described processing and amplifying, middle level and lower floor, obtain the reservoir temperature of machine oil upper strata, middle level and lower floor, the oil temperature signal that obtains according to the detected temperature sensor after described processing and amplifying, obtain the detected temperatures of machine oil, and, calculate the difference of reservoir temperature and detected temperatures on the upper strata, when middle level and lower floor reservoir temperature are consistent, judge according to this difference whether detected temperature sensor is accurate;
Described display unit is connected with comparing unit, is used to show the reservoir temperature of oil temperature that detected temperature sensor obtains, machine oil upper strata, middle level and lower floor that oily temperature detecting unit obtains and the difference information of described oil temperature and reservoir temperature.
2. according to the described temperature sensor detector of claim 1, it is characterized in that, described oil temperature detecting unit comprises three temperature sensors, be arranged at upper strata, middle level and the lower floor of the oil cylinder of heating respectively, obtain upper strata temperature signal, middle level temperature signal and lower floor's temperature signal of machine oil in the oil cylinder of heating, and export to signal amplification unit.
3. according to the described temperature sensor detector of claim 2, it is characterized in that described signal amplification unit comprises operational amplifier and differential amplifier.
4. according to the described temperature sensor detector of claim 3, it is characterized in that described comparing unit is selected single-chip microcomputer for use.
5. according to the described temperature sensor detector of claim 4, it is characterized in that described display unit is selected LCDs for use.
6. according to the described temperature sensor detector of claim 5, it is characterized in that, also comprise printer, be connected with comparing unit, the oil temperature that detected temperature sensor is obtained, the reservoir temperature of machine oil upper strata, middle level and the lower floor that oily temperature detecting unit obtains and the difference information of described oil temperature and reservoir temperature print.
7. according to the described temperature sensor detector of claim 6, it is characterized in that the difference information that described comparing unit also is used for the reservoir temperature of machine oil upper strata, middle level and lower floor that the oil temperature that detected temperature sensor is obtained, oily temperature detecting unit obtain and described oil temperature and reservoir temperature sends to remote computer by the internet and uses.
8. according to the described temperature sensor detector of claim 7, it is characterized in that the described oil cylinder of heating is set to three, be respectively exhaust and detect oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder, all be connected with described signal amplification unit;
The temperature sensor that described exhaust detection oil cylinder, chilled water detection oil cylinder and surface detection oil cylinder are respectively applied for the temperature sensor of the temperature sensor that detects delivery temperature in the anti-explosion diesel protector, detection cooling water temperature and detection diesel engine surface temperature detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200411936U CN203083743U (en) | 2013-01-25 | 2013-01-25 | Temperature sensor detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200411936U CN203083743U (en) | 2013-01-25 | 2013-01-25 | Temperature sensor detection device |
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| CN203083743U true CN203083743U (en) | 2013-07-24 |
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| CN2013200411936U Withdrawn - After Issue CN203083743U (en) | 2013-01-25 | 2013-01-25 | Temperature sensor detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090994A (en) * | 2013-01-25 | 2013-05-08 | 无锡瑞阳动力科技有限公司 | Temperature sensor detection device |
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN105698971A (en) * | 2016-03-11 | 2016-06-22 | 西华大学 | Automatic test system and test method for vehicle temperature sensor |
-
2013
- 2013-01-25 CN CN2013200411936U patent/CN203083743U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090994A (en) * | 2013-01-25 | 2013-05-08 | 无锡瑞阳动力科技有限公司 | Temperature sensor detection device |
| CN103090994B (en) * | 2013-01-25 | 2016-08-03 | 无锡瑞阳动力科技有限公司 | A kind of temperature sensor detector |
| CN104748890A (en) * | 2015-03-24 | 2015-07-01 | 上海理工大学 | Thermocouple detecting device |
| CN105698971A (en) * | 2016-03-11 | 2016-06-22 | 西华大学 | Automatic test system and test method for vehicle temperature sensor |
| CN105698971B (en) * | 2016-03-11 | 2018-07-20 | 西华大学 | A kind of temperature sensor for vehicle Auto-Test System and test method |
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Granted publication date: 20130724 Effective date of abandoning: 20160803 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |