CN103731204A - Optical network terminal with temperature monitoring function - Google Patents
Optical network terminal with temperature monitoring function Download PDFInfo
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- CN103731204A CN103731204A CN201310568223.3A CN201310568223A CN103731204A CN 103731204 A CN103731204 A CN 103731204A CN 201310568223 A CN201310568223 A CN 201310568223A CN 103731204 A CN103731204 A CN 103731204A
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- optical network
- network terminal
- monitoring function
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Abstract
The invention discloses an optical network terminal with a temperature monitoring function. The optical network terminal with the temperature monitoring function comprises an exchange chip, an OLTMAC and an optical module, wherein the exchange chip, the OLTMAC and the optical module are connected in sequence. The optical network terminal with the temperature monitoring function further comprises a temperature sensor, wherein the temperature sensor is connected to a comparison circuit, a reference voltage supply circuit is further connected to the input end of the comparison circuit, a control circuit is connected to the output end of the comparison circuit, the output end of the control circuit is connected to the OLTMAC, and an alarm device is further connected to the control circuit. The optical network terminal with the temperature monitoring function has the advantages that the temperature of the optical network terminal is monitored and controlled, automatic alarming and shutdown are achieved when the temperature is higher than a certain value, and thus the temperature and safety of the terminal are ensured.
Description
Technical field
The present invention relates to Optical Network Terminal, relate in particular a kind of Optical Network Terminal with temp monitoring function.
Background technology
As a kind of broadband access technology, EPON has started to enter the stage of large scale deployment, in the representative network structure of EPON system, comprises OLT, ONU, POS.OLT equipment is optical line terminal, for connecting the terminal equipment of fiber optic backbone, is generally arranged in central machine room.OLT is Optical Network Terminal, and OLT is main control centre, realizes the function of network management.The same day, gas excess Temperature or Optical Network Terminal were always in running order, and heating can be very serious, and excess Temperature can exert an influence to the performance of Optical Network Terminal, when serious, can threaten to the safety of terminal.
Summary of the invention
The invention provides a kind of Optical Network Terminal with temp monitoring function, its temperature to Optical Network Terminal is monitored, and when temperature exceedes certain value, realizes automatic alarm shutdown, guarantees temperature and the safety of terminal.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of Optical Network Terminal with temp monitoring function, it comprises exchange chip, OLT MAC and optical module, described exchange chip, OLT MAC are connected successively with optical module, also comprise that temperature sensor, described temperature sensor are connected on comparison circuit, on the input of described comparison circuit, be also connected with reference voltage supply circuit, on the output of described comparison circuit, be connected with control circuit, the output of described control circuit is connected on OLT MAC, is also connected with alarm device on described control circuit.
Further technical scheme is:
As preferably, described reference voltage supply circuit is voltage stabilizing circuit.
As preferably, described alarm device is sound and light alarm device.
As preferably, on described control circuit, be also connected with heat abstractor.
Further, described control circuit comprises signal amplification circuit, drive circuit, and described drive circuit is connected on heat abstractor.
Compared with prior art, the invention has the beneficial effects as follows:
1, temperature sensor of the present invention detects the temperature of terminal, and when temperature exceedes certain value, during the threshold value set, alarm device starts to report to the police, and automatic shutdown has been guaranteed temperature and the safety of terminal.
2, the present invention is simple in structure, controls cost low.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.Embodiments of the present invention include but not limited to the following example.
[embodiment]
A kind of Optical Network Terminal with temp monitoring function as shown in Figure 1, it comprises exchange chip, OLT MAC and optical module, described exchange chip, OLT MAC are connected successively with optical module, also comprise that temperature sensor, described temperature sensor are connected on comparison circuit, on the input of described comparison circuit, be also connected with reference voltage supply circuit, on the output of described comparison circuit, be connected with control circuit, the output of described control circuit is connected on OLT MAC, is also connected with alarm device on described control circuit.OLT MAC is medium access controller, the major control element that it is Optical Network Terminal.In the present invention, utilize reference voltage supply circuit to provide a reference voltage to comparison circuit, it is predefined alarm threshold, utilize temperature sensor to detect the temperature of terminal, the excess Temperature detecting when temperature sensor, during higher than reference voltage value, a signal driver control circuit of comparison circuit output is started working.Control circuit is now controlled OLT MAC automatic shutdown, and control alarm device start alarm, to guarantee stability and the fail safe of terminal, avoid excess Temperature to damage terminal.
For the ease of the design of circuit, described reference voltage supply circuit is voltage stabilizing circuit.Voltage stabilizing circuit is exported and is kept constant circuit, and it is the reference voltage of circuit as a comparison, exports constantly, can guarantee the accuracy of controlling.Voltage stabilizing circuit utilizes the simple electronic devices and components such as triode, amplifier, resistance to form, and circuit is simple.
For making alarm better effects if, described alarm device is sound and light alarm device.
For the reduction of increasing terminal temperature, on described control circuit, be also connected with heat abstractor.Control circuit is by controlling heat abstractor work, can accelerating terminal in the decline of temperature, shorten the terminal closedown time.
Described control circuit comprises signal amplification circuit, drive circuit, and described drive circuit is connected on heat abstractor.Signal amplification circuit amplifies the signal of comparison circuit output, makes signal enough go to drive subsequent conditioning circuit work, and drive circuit drives heat abstractor work.
Be as mentioned above embodiments of the invention.The present invention is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (5)
1. one kind has the Optical Network Terminal of temp monitoring function, it comprises exchange chip, OLT MAC and optical module, described exchange chip, OLT MAC are connected successively with optical module, it is characterized in that: also comprise that temperature sensor, described temperature sensor are connected on comparison circuit, on the input of described comparison circuit, be also connected with reference voltage supply circuit, on the output of described comparison circuit, be connected with control circuit, the output of described control circuit is connected on OLT MAC, is also connected with alarm device on described control circuit.
2. a kind of Optical Network Terminal with temp monitoring function according to claim 1, is characterized in that: described reference voltage supply circuit is voltage stabilizing circuit.
3. a kind of Optical Network Terminal with temp monitoring function according to claim 1, is characterized in that: described alarm device is sound and light alarm device.
4. a kind of Optical Network Terminal with temp monitoring function according to claim 1, is characterized in that: on described control circuit, be also connected with heat abstractor.
5. a kind of Optical Network Terminal with temp monitoring function according to claim 4, is characterized in that: described control circuit comprises signal amplification circuit, drive circuit, and described drive circuit is connected on heat abstractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568223.3A CN103731204A (en) | 2013-11-15 | 2013-11-15 | Optical network terminal with temperature monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568223.3A CN103731204A (en) | 2013-11-15 | 2013-11-15 | Optical network terminal with temperature monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103731204A true CN103731204A (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310568223.3A Pending CN103731204A (en) | 2013-11-15 | 2013-11-15 | Optical network terminal with temperature monitoring function |
Country Status (1)
| Country | Link |
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| CN (1) | CN103731204A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788597A (en) * | 2016-12-15 | 2017-05-31 | 深圳市飞鸿光电子有限公司 | OLT system and its adjustment method based on power line transmission |
| CN108604112A (en) * | 2017-01-03 | 2018-09-28 | 华为技术有限公司 | A kind of method, terminal device and the device of control temperature |
| CN112729775A (en) * | 2020-12-09 | 2021-04-30 | 南京琛居智能化科技有限公司 | Optical network terminal on-line detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100098413A1 (en) * | 2008-10-21 | 2010-04-22 | Teknovus, Inc. | Performance monitoring in passive optical networks |
| CN101753209A (en) * | 2008-12-02 | 2010-06-23 | 华为技术有限公司 | Passive optical network testing terminal |
| CN201830410U (en) * | 2010-10-27 | 2011-05-11 | 索尔思光电（成都）有限公司 | Passive optical network (PON) terminal |
-
2013
- 2013-11-15 CN CN201310568223.3A patent/CN103731204A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100098413A1 (en) * | 2008-10-21 | 2010-04-22 | Teknovus, Inc. | Performance monitoring in passive optical networks |
| CN101753209A (en) * | 2008-12-02 | 2010-06-23 | 华为技术有限公司 | Passive optical network testing terminal |
| CN201830410U (en) * | 2010-10-27 | 2011-05-11 | 索尔思光电（成都）有限公司 | Passive optical network (PON) terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788597A (en) * | 2016-12-15 | 2017-05-31 | 深圳市飞鸿光电子有限公司 | OLT system and its adjustment method based on power line transmission |
| CN108604112A (en) * | 2017-01-03 | 2018-09-28 | 华为技术有限公司 | A kind of method, terminal device and the device of control temperature |
| CN108604112B (en) * | 2017-01-03 | 2020-07-28 | 华为技术有限公司 | Temperature control method, terminal equipment and device |
| CN112729775A (en) * | 2020-12-09 | 2021-04-30 | 南京琛居智能化科技有限公司 | Optical network terminal on-line detection system |
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Application publication date: 20140416 |