CN2717085Y - Temperature monitoring apparatus - Google Patents
Temperature monitoring apparatus Download PDFInfo
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- CN2717085Y CN2717085Y CN 200420059230 CN200420059230U CN2717085Y CN 2717085 Y CN2717085 Y CN 2717085Y CN 200420059230 CN200420059230 CN 200420059230 CN 200420059230 U CN200420059230 U CN 200420059230U CN 2717085 Y CN2717085 Y CN 2717085Y
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Abstract
The utility model discloses a temperature monitoring apparatus, comprising a temperature range judging module which is connected with an external control equipment, and at least two temperature checking modules. Wherein, each temperature checking module is used to check the temperature and deliver a temperature signal to the temperature range judging module. The temperature range judging module judges the temperature to see if the temperature is over the standard according to the received temperature signal. A temperature monitoring signal which controls the action of the external control equipment is output according to the result of the judgment. The utility model reduces the possibility of sending out false instruction, and improves the reliability of environmental monitoring. When the temperature checking module is broken, a temperature checking fault alarm signal is sent out by the utility model. Thus, the working state of the temperature monitoring apparatus is convenient to be known.
Description
Technical field
The utility model relates to the monitoring temperature technical field, particularly a kind of device for monitoring temperature.
Background technology
Device for monitoring temperature generally all has temperature warning of reporting and the function of sending relevant control command, and device for monitoring temperature has all obtained in various fields to use widely at present.Such as in outdoor version or unattended communication equipment, utilize device for monitoring temperature to protect communication equipment through regular meeting.When ambient temperature exceeded the temperature spot of certain setting, device for monitoring temperature just sent control command, the protection communication equipment to carry out operations such as turn-offing the input power supply.
When ambient temperature surpassed high temperature alarm point or is lower than low temperature alarm point, device for monitoring temperature need report temperature alarm signal, and sends control command exactly and protect equipment with turn-off apparatus or by other modes.Simultaneously, device for monitoring temperature must guarantee to report wrong temperature alarm signal in normal temperature range, more can not send wrong control command.Device for monitoring temperature also must be worked reliably in abominable applied environment midium or long terms such as low temperature, high temperature, high humility, high burn into sand and dust.These requirements to device for monitoring temperature make device for monitoring temperature must have higher reliability.
Present device for monitoring temperature mainly comprises a temperature sensor and external resistance.Temperature sensor is used for the temperature of testing environment, and the resistance by regulating external resistance or other modes are set high temperature alarm point, low temperature alarm point and temperature and returned stagnation point.When the detected ambient temperature of temperature sensor exceeded high temperature alarm point or be lower than low temperature alarm point, device for monitoring temperature just sent corresponding control command, with turn-off apparatus power supply or startup corresponding protection control device.Get back to temperature when returning stagnation point when the detected temperature of temperature sensor, device for monitoring temperature is just exported corresponding control command, with the starting device power supply or turn-off the corresponding protection control device.
Though this device for monitoring temperature of the prior art can be finished temp monitoring function, there is the low problem of reliability.Since this device for monitoring temperature only adopt one independently transducer come the testing environment temperature; as long as this temperature sensor damages under adverse circumstances; the ambient temperature that perhaps causes this transducer for a certain reason and detected is inaccurate; all may send wrong control command; thereby cause in normal temperature range the turn-off apparatus power supply or start the protection control device, perhaps still work or protect control device to be not activated in the normal temperature range external equipment.These misoperations bring very serious consequence possibly.For communication equipment, the inefficacy of device for monitoring temperature will cause some major accidents probably especially.
The utility model content
In view of this, main purpose of the present utility model is to propose a kind of device for monitoring temperature, to improve the reliability of monitoring temperature.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of device for monitoring temperature, this device for monitoring temperature comprises:
The temperature range judge module that is connected with external control devices and be no less than two temperature detecting module, wherein each temperature detecting module is used for detected temperatures and sends temperature signal to the temperature range judge module, the temperature range judge module judges according to the temperature signal of receiving whether temperature exceeds standard, and the monitoring temperature signal that external control devices moves is controlled in output according to the temperature judged result.
Described temperature range judge module comprises:
Decoding module is used to receive temperature signal that temperature detecting module sends, temperature signal is deciphered, and crosses the low temperature judge module and send decode results to crossing high temperature;
Cross high temperature and cross the low temperature judge module, be used to receive decode results that decoding module sends, whether exceed standard according to decode results judgement temperature, and according to court verdict output temperature pilot signal.
This device further comprises:
The temperature warning module is used to receive the monitoring temperature signal that the temperature range judge module sends, and alarms according to the monitoring temperature signal.
This device further comprises:
Temperature detection fault judgement module is used to receive the decode results that decoding module sends, and determines according to described decode results whether temperature detection breaks down, and according to testing result output temperature detection failure alarm signal;
The detection failure alarm module is used for carrying out fault warning according to the temperature detection fault alarm signal of temperature detection malfunctioning module output.
The described temperature detecting module that is no less than two is identical temperature detecting module.
The described number that is no less than two temperature detecting module is three.
Described decoding module is the 3-8 decoder.
Described temperature detection fault judgement module is NOR gate (306), the Y of described 3-8 decoder
0Output connects the first input end of NOR gate (306), the Y of described 3-8 decoder
7Output connects second input of NOR gate (306).
Described cross that high temperature crosses that the low temperature module comprises or door (303) or door (304) and or (305), the Y of described 3-8 decoder
0Output further connects or door (303) first input end, the Y of described 3-8 decoder
1Output connects or door (303) second inputs, the Y of described 3-8 decoder
2Output connects or door (304) first input end, the Y of described 3-8 decoder
4Output connects or door (304) second inputs, and described or door (303) output connects or door (305) first input end, and described or door (304) output connects or door (305) second inputs.
From above technical scheme as can be seen: the utility model utilization is no less than the temperature that two temperature detecting module detects certain environment position, wherein each temperature detecting module all sends temperature signal to the temperature range judge module, the temperature range judge module judges according to the temperature signal of receiving whether the temperature of tested environment position exceeds standard, and the monitoring temperature signal that external equipment moves is controlled in output according to the temperature judged result.When certain temperature detecting module breaks down or works when undesired, this device for monitoring temperature still can operate as normal, send the possibility of wrong control command so the utility model has reduced significantly owing to temperature sensor damages, thereby greatly improved the reliability of environmental monitoring.
Simultaneously, under the situation that certain temperature detecting module is damaged, the utility model not only still can be realized the monitoring to environment, and also can report the temperature detecting module fault alarm signal simultaneously, overhaul or operation accordingly with the prompting staff, thereby make the staff understand the working condition of environmental monitoring installation more easily.
Description of drawings
Fig. 1 is the utility model device for monitoring temperature module diagram.
Fig. 2 is the installation drawing of the device for monitoring temperature of the utility model one embodiment.
Fig. 3 is that the device for monitoring temperature of the utility model one embodiment is realized circuit diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage express clearlyer, the utility model is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the utility model device for monitoring temperature module diagram.As shown in Figure 1, device for monitoring temperature comprises that sum is no less than two temperature detecting module 101, temperature detecting module 102, temperature detecting module 103 and the temperature range judge module 104 that is connected with external control devices 105, wherein each temperature detecting module all is used to detect the temperature that is subjected to measuring point and sends temperature signals to temperature range judge module 104, temperature range judge module 104 judges according to the temperature signal of receiving whether temperature exceeds standard, and the monitoring temperature signal that external control devices 105 moves is controlled in output according to the temperature judged result.
In the time of temperature exceeding standard, for further output temperature alarm signal, can further temperature range judge module 104 be connected with the temperature warning module, the temperature warning module is used to receive the monitoring temperature signal that temperature range judge module 104 sends, and carries out temperature warning according to the monitoring temperature signal.
When certain temperature detecting module work is undesired,, can export corresponding temperature detection fault alarm signal according to the temperature judged result of temperature range judge module 104 in order further to strengthen the reliability of this device for monitoring temperature.
Based on schematic diagram shown in Figure 1, Fig. 2 is the device for monitoring temperature module diagram of the utility model one embodiment.As shown in Figure 2, this device for monitoring temperature comprises temperature detecting module 101, temperature detecting module 102 and the temperature detecting module 103 that is no less than 2, and this device for monitoring temperature also comprises decoding module 201, high temperature is crossed low temperature judge module 202, temperature detection fault judgement module 203 and detection failure alarm module 204 excessively.Wherein decoding module 201 and mistake high temperature are crossed low temperature judge module 202 correspondences and the temperature range judge module 104 shown in Fig. 1.
All temperature detecting module all are used to detect the temperature of same point among Fig. 2, and the temperature signal that will put respectively is converted into corresponding level signal, then the level signal that transforms are exported to decoding module 201; Decoding module 201 is used for the level signal that each temperature detecting module is sent is deciphered, and the decode results after will deciphering was exported to high temperature and crossed low temperature judge module 202; Cross high temperature and cross low temperature judge module 202 and be used to receive the decode results that decoding module 201 sends, whether exceed standard according to decode results judgement temperature, and according to court verdict output temperature pilot signal.For example:, cross the monitoring temperature signal that high temperature is crossed low temperature judge module 202 output control external control deviceses when the temperature detecting module of some is detected when being subjected to the temperature of measuring point to reach alarm temperature.For example when temperature detecting module add up to three the time, if two or when surpassing the detected temperature that is subjected to measuring point of two temperature detecting module and reaching alarm temperature, cross the monitoring temperature signal that high temperature is crossed low temperature judge module 202 output control external control deviceses.
Temperature detection fault judgement module 203 is used to receive the decode results that decoding module 201 sends, and determines according to decode results whether temperature detection breaks down, and according to testing result output temperature detection failure alarm signal.When wherein the level signal of sending when all temperature detecting module was incomplete same, temperature detection fault judgement module 203 judged have temperature detecting module to break down, and output temperature detection failure alarm signal.Detection failure alarm module 204 is used for carrying out fault alarm according to the temperature detection fault alarm signal of temperature detection fault judgement module 203 outputs.
In one aspect of the invention, can all temperature detecting module be set to identical temperature sensor, and finish the function of decoding module with decoder.Can be according to the corresponding decoder of how much selecting of temperature sensor.For example: if transducer is 2, select the 2-4 decoder,, then select 3-8 decoder or the like if transducer is 3.
Based on device for monitoring temperature shown in Figure 2, Fig. 3 is that the device for monitoring temperature of the utility model one embodiment is realized circuit diagram.As shown in Figure 3, this device comprises 3 identical transducers 301,3-8 decoder 302, one or 303, one or 304, one or 305 and NOR gate 306.Wherein 3 transducers 301 correspond respectively to temperature detecting module shown in Figure 2 101, temperature detecting module 102 and temperature detecting module 103,3-8 decoder 302 is corresponding to decoding module shown in Figure 2 201, or door 303 and or door 304 cross low temperature judge module 202 corresponding to the high temperature of crossing shown in Figure 2, NOR gate 306 is corresponding to temperature detection fault judgement module 203 shown in Figure 2.The Y of 3-8 decoder
0Output connect NOR gate 306 first input end and or the first input end of door 303, the Y of 3-8 decoder
1Output connects or door 303 second inputs, the Y of 3-8 decoder
2Output connects or door 304 first input ends, the Y of 3-8 decoder
4Output connects or door 304 second inputs, the Y of 3-8 decoder
7Output connects second input of NOR gate 306, or door 303 outputs connect or door 305 first input ends, or door 304 outputs connect or door 305 second inputs.Or the exportable two-way of output signal of door 305, be respectively monitoring temperature signal and temperature alarm signal.
Three temperature sensors 301 are placed on same position among Fig. 3, and identical high temperature alarm point, low temperature alarm point and temperature are set return stagnation point.When ambient temperature exceeds setting range, temperature sensor 301 output low levels 0.When pin output is open collector output, the crossing the high temperature pin and cross low temperature pin output logic and back output three bit level signals of three temperature sensors 301,3-8 decoder 302 receives these three bit levels signals, and this three bit levels signal is deciphered.Or door 303 and or door 304 judge according to the logic output valve of 3-8 decoder 302 whether temperature exceeds normal range (NR), to send corresponding monitoring temperature signal and temperature alarm signal.Can be used to control the shutoff or the startup of back level equipment after the driving of monitoring temperature signal through metal-oxide semiconductor (MOS) (MOS) pipe.When a temperature sensor fault and when reporting error message, NOR gate 306 can be judged the temperature detection fault according to the logic output valve of 3-8 decoder 302, and sends the temperature detection fault alarm signal, and the simultaneous temperature supervising device still can operate as normal.
With when ambient temperature exceeds setting range, temperature sensor 301 output low levels 0 describe this device for monitoring temperature in detail for example below.Yet can recognize, can also select the temperature sensor 301 of output high level 1 when detected temperatures surpasses setting range, just corresponding, the back level logic determines of device for monitoring temperature need be made corresponding modification.
Table 1 is depicted as the truth table of 3-8 decoder.Wherein A, B, C are the input of 3-8 decoder, are the level signal of 3 transducers, 301 outputs, and Y
7, Y
6, Y
5, Y
4, Y
3, Y
2, Y
1, Y
0Be respectively the output level of 8 outputs of 3-8 decoder.
| Input | Output |
| A B C | Y 7 Y 6 Y 5Y 4Y 3 Y 2 Y 1 Y 0 |
| 0 0 0 | 0 0 0 0 0 0 0 1 |
| 0 0 1 | 0 0 0 0 0 0 1 0 |
| 0 1 0 | 0 0 0 0 0 1 0 0 |
| 0 1 1 | 0 0 0 0 1 0 0 0 |
| 1 0 0 | 0 0 0 1 0 0 0 0 |
| 1 0 1 | 0 0 1 0 0 0 0 0 |
| 1 1 0 | 0 1 0 0 0 0 0 0 |
| 1 1 1 | 1 0 0 0 0 0 0 0 |
Table 1
Below according to different conditions analysis and judgement process:
State 1: when three temperature sensors 301 operate as normal all, and the environment measuring temperature is in normal temperature range the time:
Because the environment measuring temperature is in normal range (NR), and three temperature sensors 301 are all working properly, so three temperature sensors 301 are all exported high level 1, promptly 3-8 decoder 302 is input as 111.This moment 3-8 decoder Y
7Be output as high level 1, Y
0To Y
6Output all be low level 0.Because Y
0, Y
1, Y
2, Y
4All be low level 0, so or door 305 be output as low level 0, promptly final logic output level is a low level 0, so do not send temperature alarm signal.Simultaneously because or door 305 be output as low level 0, so the monitoring temperature signal of output also is 0.And, because Y
0And Y
7Through NOR gate 306 output low levels 0, so do not report the temperature detection fault warning.
State 2: when three temperature sensors 301 are all normal, and detected temperatures is when exceeding temperature range:
Because the detected temperatures overrun, and three temperature sensors 301 are all working properly, thus three temperature sensors 301 output low level 0 all, promptly 3-8 decoder 302 be input as 000, this moment 3-8 decoder 302 output Y
0Be high level 1, Y
1To Y
7Be low level 0.Because Y
0Be high level 1, Y
1Be low level 0, Y
2Be low level 0, Y
4Be low level 0, so or door 305 be output as high level 1, promptly final logic output level is a high level 1, so send temperature alarm signal.Simultaneously because or door 305 be output as high level 1, so the monitoring temperature signal of output is 1.And, because Y
0And Y
7Through NOR gate 306 output low levels 0, so do not report the temperature detection fault warning.
State 3: when two temperature sensors 301 are normal, temperature sensor 301 produces error level, and detected temperatures is in normal temperature range the time:
In this case, 1, one temperature sensor of two temperature sensor 301 output high level, 301 output low levels 0, incoming level may be 110,101,011 so, 3-8 decoder Y
3, Y
5, Y
6One of them is a high level 1, Y
0, Y
1, Y
2, Y
4, Y
7Output all is low level 0, so or door 305 be output as low level 0, promptly final logic output level is a low level 0, so do not send temperature alarm signal.Simultaneously because or door 305 be output as low level 0, so the monitoring temperature signal of output is a low level 0.And, because Y
0And Y
7Through NOR gate 306 output high level 1, so report the temperature detection fault warning.
State 4: when two temperature sensors 301 are normal, temperature sensor 301 produces error level, when detected temperatures exceeds temperature range:
In this case, 1, one output low level 0 of two temperature sensor output high level, promptly 3-8 decoder 302 incoming levels may be 100,010,001, so Y
1Or Y
2Or Y
4One of them is a high level 1, Y
0, Y
3, Y
5, Y
6, Y
7Be low level 0, so or door 305 be output as high level 1, promptly final logic output level is a high level 1, so send temperature alarm signal.Simultaneously because or door 305 be output as high level 1, so the monitoring temperature signal of output is 1.And, because Y
0And Y
7Through NOR gate 306 output high level 1, so report the temperature detection fault warning.
In the above process, with when ambient temperature exceeds setting range, temperature sensor 301 output low levels 0 can also be selected when detected temperatures surpasses setting range for example describes this device in detail, the temperature sensor of output high level 1.Accordingly, back level logic determines device need be made corresponding modification.
Employing or door and NOR gate are carried out logic determines among the above embodiment, can also realize by adopting with door and NAND gate, also can realize by employing discrete device and logical device.
Above embodiment has only illustrated the situation of three-way sensor detected temperatures, and in fact the utility model also is applicable to temperature sensor greater than 3 tunnel.When temperature sensor greater than 3 the tunnel time, 3-8 decoder 202 need be replaced with corresponding decoder.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection range of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1, a kind of device for monitoring temperature is characterized in that, this device for monitoring temperature comprises:
The temperature range judge module that is connected with external control devices and be no less than two temperature detecting module, wherein each temperature detecting module is used for detected temperatures and sends temperature signal to the temperature range judge module, the temperature range judge module judges according to the temperature signal of receiving whether temperature exceeds standard, and the monitoring temperature signal that external control devices moves is controlled in output according to the temperature judged result.
2, device for monitoring temperature according to claim 1 is characterized in that, described temperature range judge module comprises:
Decoding module is used to receive temperature signal that temperature detecting module sends, temperature signal is deciphered, and crosses the low temperature judge module and send decode results to crossing high temperature;
Cross high temperature and cross the low temperature judge module, be used to receive decode results that decoding module sends, whether exceed standard according to decode results judgement temperature, and according to court verdict output temperature pilot signal.
3, device for monitoring temperature according to claim 1 is characterized in that, this device further comprises:
The temperature warning module is used to receive the monitoring temperature signal that the temperature range judge module sends, and alarms according to the monitoring temperature signal.
4, device for monitoring temperature according to claim 2 is characterized in that, this device further comprises:
Temperature detection fault judgement module is used to receive the decode results that decoding module sends, and determines according to described decode results whether temperature detection breaks down, and according to testing result output temperature detection failure alarm signal;
The detection failure alarm module is used for carrying out fault warning according to the temperature detection fault alarm signal of temperature detection malfunctioning module output.
5, device for monitoring temperature according to claim 1 and 2 is characterized in that, the described temperature detecting module that is no less than two is identical temperature detecting module.
6, device for monitoring temperature according to claim 5 is characterized in that, the described number that is no less than two temperature detecting module is three.
7, device for monitoring temperature according to claim 6 is characterized in that, described decoding module is the 3-8 decoder.
8, device for monitoring temperature according to claim 7 is characterized in that, described temperature detection fault judgement module is NOR gate (306), the Y of described 3-8 decoder
0Output connects the first input end of NOR gate (306), the Y of described 3-8 decoder
7Output connects second input of NOR gate (306).
9, device for monitoring temperature according to claim 8 is characterized in that, described cross that high temperature crosses that the low temperature module comprises or door (303) or door (304) and or (305), the Y of described 3-8 decoder
0Output further connects or door (303) first input end, the Y of described 3-8 decoder
1Output connects or door (303) second inputs, the Y of described 3-8 decoder
2Output connects or door (304) first input end, the Y of described 3-8 decoder
4Output connects or door (304) second inputs, and described or door (303) output connects or door (305) first input end, and described or door (304) output connects or door (305) second inputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059230 CN2717085Y (en) | 2004-05-28 | 2004-05-28 | Temperature monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059230 CN2717085Y (en) | 2004-05-28 | 2004-05-28 | Temperature monitoring apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2717085Y true CN2717085Y (en) | 2005-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059230 Expired - Lifetime CN2717085Y (en) | 2004-05-28 | 2004-05-28 | Temperature monitoring apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033545A1 (en) * | 2005-09-22 | 2007-03-29 | Huawei Technologies Co., Ltd. | A device for preventing internal combustion from developing outwards |
| CN102018432A (en) * | 2010-12-14 | 2011-04-20 | 陈国英 | Safety chopsticks |
| CN106373409A (en) * | 2016-11-22 | 2017-02-01 | 安徽科力信息产业有限责任公司 | Signal machine monitoring circuit |
| CN106468596A (en) * | 2015-08-18 | 2017-03-01 | 热映光电股份有限公司 | In-Ear device for monitoring temperature, system and monitoring method |
| CN109011560A (en) * | 2018-05-29 | 2018-12-18 | 歌尔科技有限公司 | A kind of airflow detecting device, VR scene interaction systems and method |
| CN114821952A (en) * | 2021-01-19 | 2022-07-29 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Protection alarm method and system for vacuum pipeline control system |
-
2004
- 2004-05-28 CN CN 200420059230 patent/CN2717085Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033545A1 (en) * | 2005-09-22 | 2007-03-29 | Huawei Technologies Co., Ltd. | A device for preventing internal combustion from developing outwards |
| US7551418B2 (en) | 2005-09-22 | 2009-06-23 | Huawei Technologies Co., Ltd. | Device for preventing internal combustion of equipment from spreading outwards |
| CN102018432A (en) * | 2010-12-14 | 2011-04-20 | 陈国英 | Safety chopsticks |
| CN106468596A (en) * | 2015-08-18 | 2017-03-01 | 热映光电股份有限公司 | In-Ear device for monitoring temperature, system and monitoring method |
| CN106468596B (en) * | 2015-08-18 | 2019-09-27 | 热映光电股份有限公司 | In-Ear device for monitoring temperature, system and monitoring method |
| CN106373409A (en) * | 2016-11-22 | 2017-02-01 | 安徽科力信息产业有限责任公司 | Signal machine monitoring circuit |
| CN106373409B (en) * | 2016-11-22 | 2024-02-27 | 安徽科力信息产业有限责任公司 | Monitoring circuit of annunciator |
| CN109011560A (en) * | 2018-05-29 | 2018-12-18 | 歌尔科技有限公司 | A kind of airflow detecting device, VR scene interaction systems and method |
| CN109011560B (en) * | 2018-05-29 | 2022-04-01 | 歌尔光学科技有限公司 | Airflow detection device, VR scene interaction system and method |
| CN114821952A (en) * | 2021-01-19 | 2022-07-29 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Protection alarm method and system for vacuum pipeline control system |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
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Expiration termination date: 20140528 Granted publication date: 20050810 |