CN1858573A - Detecting system and method - Google Patents
Detecting system and method Download PDFInfo
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- CN1858573A CN1858573A CNA2005101215139A CN200510121513A CN1858573A CN 1858573 A CN1858573 A CN 1858573A CN A2005101215139 A CNA2005101215139 A CN A2005101215139A CN 200510121513 A CN200510121513 A CN 200510121513A CN 1858573 A CN1858573 A CN 1858573A
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Abstract
This invention discloses a test system including a being tested module, a by-pass module and a test module, in which, connection points A and B are set on the being tested module to be connected to turn on the being test module, connection points A1 and A2 are set on the by-pass module to be connected by a connecting path and a control switch is serial to said connecting path, in which, connecting point A1 is connected with the connection point A of the being tested module, connection point B1 is connected with the connection point B of the being tested module, the test module is serial in the supply line of the being tested module to test the current flowing through the being tested module. In testing, the by-pass module is turned on to test the current flowing through the being tested module, thus, the test time is reduced greatly, besides, this invention also discloses a test method.
Description
Technical field
The present invention relates to the detection technique of electronic communication field, relate in particular to a kind of detection system and method.
Background technology
The temperature range of outdoor version electronic equipment cabinet work is very wide, and minimum temperature can reach subzero 45 degree, in order to guarantee the normal operation of electronic equipment, has used Temperature-controlled appliance usually, comprises air-conditioning, heat exchanger and well heater etc.The fundamental purpose of well heater is that heat is provided in low temperature, guarantees the rack temperature inside.When the temperature in the rack is lower than preset threshold, start well heater; When temperature is higher than threshold value, close well heater, guaranteed that like this rack internal temperature is not less than the minimum running temperature requirement of electronic equipment.
In actual motion, need regularly to detect the integrity of performance integrity, the especially heater performance of temperature control device.When at present well heater being detected, generally be that the testing staff arrives and on-the-spot uses the cable short circuit temperature relay earlier, the mode of measuring the temperature of heating resistor then detects.
As shown in Figure 1, because when detecting, temperature in the rack not necessarily is in low-temperature condition, the switch of temperature relay might not be in closed state, so need be between connection terminal A and B by service cable short circuit link to each other (referring to Fig. 2), make the heating installation power supply loop produce supply current, after one period regular time, measure the temperature of heating resistor, whether the temperature of judging heating resistor obviously raises, by this method, can determine whether well heater is in normal condition.
The shortcoming of this maintaining method:
1. adopt the mode short circuit temperature relay of stube cable, heating resistor is tested one by one, need to recover original distribution after test is finished, so the time cycle of cost is very long, it is very low to detect the efficient of safeguarding.
2. because the space of Cabinet is very compact, the cable of well heater concentrates in the less space, when stube cable, operate very inconveniently, and the heating resistor that has is when detection even can not carry out the operation of short circuit temperature relay.
3. maintenance time is long.Because when measuring the temperature of heating resistor, need behind the heating certain hour, the result be arranged, cause detection time longer.
In addition, because the heating resistor quantity of Cabinet generally has 4-8 according to the accumulator capacity configuration of equipment, even more, cause above three problems that reason caused more outstanding, the testing of well heater both expended time in, labor intensive again, it is very high to detect the cost of safeguarding.
Summary of the invention
The objective of the invention is to adopt a kind of detection system and method, to reduce the time of detecting and to improve the efficient that detects.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of detection system, comprising:
Tested module is provided with two tie point A and B, after short circuit between A and the B is connected, and can be with tested module turn-on current;
Bypass module is provided with tie point A1 and B1, is provided with connecting path between tie point A1 and the B1, and series connection is provided with gauge tap in this connecting path, wherein, tie point A1 is connected with the tie point A of tested module, and tie point B1 is connected with the tie point B of tested module;
Detection module, this detection module are connected in the supply line of tested module, detect the electric current in the tested module of flowing through.
The present invention also provides a kind of detection method, and its main step comprises:
A. detection module control bypass module is connected gauge tap, and the supply line of tested module is switched on by gauge tap;
B. detection module detects the electric current in the tested module of flowing through, according to the size of electric current with have or not the performance of judging tested module.
After adopting the scheme of the invention described above, significantly reduced the time of detecting, concrete advantage has:
1. when detecting, detection module HDU directly connects the bypass module of the supply line of tested module by connecting control module, and the operation that needn't carry out stube cable, recovers cable has obviously reduced the cycle of detecting.
2. gather the information of the size of current in the supply line by detection module HDU, to judge the performance of tested module (being heating resistor) in embodiment, because the size of electric current is instant playback, the not delay on the life period, so compare with the temperature that detects heating resistor, shortened the time of detecting greatly.
3. the user can issue sense command by the NMS of background net management system, detection module HDU is reported to the NMS of background net management system with testing result by environmental monitoring module ESC or master control veneer MCB, the wiring operation is not safeguarded at the scene of using, and has significantly reduced maintenance workload.
Description of drawings
Fig. 1 is the heating installation power supply synoptic diagram.
Fig. 2 is the synoptic diagram of existing well heater detection method related to the present invention;
Fig. 3 is the principle schematic of a kind of detection system of the present invention.
Fig. 4 is that a kind of detection system of the present invention is with the synoptic diagram of well heater as the embodiment of detected object.
Embodiment
See also Fig. 3, a kind of detection system of the present invention comprises tested module, bypass module, and detection module, and tested module is provided with two tie point A and B, after short circuit between A and the B is connected, and can be with tested module turn-on current; Bypass module is provided with tie point A1 and B1, be provided with connecting path between tie point A1 and the B1, and series connection is provided with gauge tap in this connecting path, wherein, tie point A1 is connected with the tie point A of described tested module, and tie point B1 is connected with the tie point B of described tested module; Detection module is connected in the supply line of described tested module, is used to detect the electric current of described tested module of flowing through.
Embodiment as shown in Figure 4, a kind of detection system of the present invention, mainly comprise bypass module, tested module, detection module HDU, environmental monitoring module ESC or master control veneer MCB, and the NMS of background net management system, in the detection for well heater, environmental monitoring module ESC or master control veneer MCB can be the environmental monitoring module ESC or the master control veneer MCB of Cabinet.
Tested module is provided with two tie point A and B, after short circuit between tie point A and the B is connected, can be with tested module turn-on current, and in the detection of well heater, tie point A and B are S1 point and the S2 point among Fig. 3, perhaps are S3 point and S4 point.
Bypass module also is provided with tie point A1 and B1, be provided with connecting path between tie point A1 and the B1, and series connection is provided with gauge tap in this connecting path, wherein, tie point A1 is connected with the tie point A of tested module, tie point B1 is connected with the tie point B of tested module, and in addition, the gauge tap of bypass module can be a relay control switch.In the detection of well heater, the gauge tap of bypass module is J1 or the J2 among Fig. 3.
Detection module HDU mainly comprises processor module CPU, current detection module C1, connects control module I1 (or I2), power module P1, communication interface modules TR1, and local maintenance module LED1, connect control module control bypass module and when detecting, connect gauge tap.
The current detection module C1 of detection module HDU is connected in the supply line of tested module, detects the electric current of the tested module of flowing through.Current detection module C1 comprises current detection sensor and signal conditioning circuit AMP1, wherein signal conditioning circuit AMP1 comprise that signal input is followed, operational amplifier and computing comparer.When the electric current in the supply line of tested module passed through current detection sensor, current detection sensor collected supply current, and the size of supply current is exported with the form of voltage or current signal.From the voltage signal of described current detection sensor output or the voltage signal that converts to by the current signal of described current detection sensor output, being input to the signal input follows and operational amplifier, through signal input follow amplify with operational amplifier after, be input to described computing comparer, voltage signal and reference voltage after described computing comparer will amplify compare, and with the form output of comparative result with high or low digital signal level.
From the voltage of described current detection sensor output or current signal through signal input follow amplify with operational amplifier after, be input to described computing comparer, voltage signal and reference voltage after described computing comparer will amplify compare, and with the form output of comparative result with high or low digital signal level.Processor module CPU carries out judgment processing to this digital signal.
Processor module CPU controls detection module, and by connecting the control of control module I1 (or I2) realization to bypass module.Processor module CPU finishes the current supply circuit control of current detecting control, tested module and communicates by letter with the NMS of background net management system.Power module P1 finishes the power supply to whole detection module HDU.
Communication interface modules TR1 finishes and the communicating by letter of environmental monitoring module ESC or master control veneer MCB, receive the monitoring order of the background net management NMS of system, and testing result reported the NMS of background net management system, this communication interface modules TR1 adopts the bus interface of standard, such as RS-232, RS-422, RS-485 etc., specifically depend on the configuration and the setting of system.
Local maintenance module LED1 comprises indicating device and control knob, uses when being used for field maintemance, and indicating device is used to show the state of tested module, and control knob is used for processor module CPU is sent sense command.In carrying out local testing process, when pressing control knob, processor module CPU controls successively and connects control module and finish detection to tested module.Indicating device can be two pilot lamp.A pilot lamp is used for the running status of video-stream processor module CPU, glimmers according to certain frequency when normally moving, and color is green; The another one pilot lamp is used to show the state of tested module, if there is fault in tested module in the testing process, this pilot lamp shows the malfunction redness.
Testing process:
A. detection module HDU control bypass module is connected gauge tap;
B. the current detection module C1 of detection module HDU is connected in the supply line of tested module, when the electric current in the supply line of tested module passes through the current detection sensor of current detection module C1, current detection sensor collects supply current, and the size of supply current is exported with the form of voltage or current signal.The signal conditioning circuit AMP1 of current detection module is treated to the digital signal that processor module CPU can differentiate with the voltage or the current signal of current detection sensor output.Processor module carries out judgment processing to this digital signal, if electric current in certain scope, thinks then that tested module performance is normal.
In the testing process of well heater, because the power of heating resistor is a determined value, consider the fluctuation of the machining deviation and the supply voltage of heating resistor, current value should be within the scope of a limited fluctuation, if exceeded the scope of parameter value, think that then there is fault in heating resistor, consider the detection error, judgment value is increased 5% determination range respectively.
Well heater maximum current criterion is: (supply voltage maximum fluctuation value)/(minimum value of heater resistance) * 1.05;
Well heater minimum current criterion is: (supply voltage minimal ripple value)/(maximal value of heater resistance) * 0.95.
The remote detection process: the user issues sense command by the NMS of background net management system, and order is issued to environmental monitoring module ESC or master control veneer MCB by service bus; Environmental monitoring module ESC or master control veneer MCB are sent to sense command the communication interface modules TR1 of detection module HDU again; After the communication interface modules TR1 of detection module HDU receives sense command, send sense command to processor module CPU, processor module CPU sends control command to connecting control module, connecting control module connects the gauge tap of bypass module, tested module is switched on by bypass module, electric current in the tested module for power supply circuit is by current detection module C1, current detection module C1 just can detect the electric current that flows through like this, detect judgement by voltage or current signal to current detection module C1 output, if current value within certain scope, just thinks that tested module duty is normal.Processor module CPU is reported to the NMS of background net management system with the testing result of detection module HDU by environmental monitoring module ESC or master control veneer MCB, also can simultaneously the indicating device of detected state by local maintenance module LED1 be shown.
If it is a plurality of that tested module has, then processor module CPU needs control respectively to connect each tested module to detect.
Local maintenance process: when carrying out local maintenance, need to start the detection control knob of local maintenance module LED1, after processor CPU receives detection signal, processor module CPU is by connecting the gauge tap that bypass module is connected in control module control, finish detection to tested module, the indicating device of testing result by local maintenance module LED1 show, and finish the detection to all tested modules successively, simultaneously detected state is reported to the NMS of background net management system.
Advantage of the present invention is:
1. when detecting, detection module HDU directly connects the bypass module of the supply line of tested module by connecting control module, and the operation that needn't carry out stube cable, recovers cable has obviously reduced the cycle of detecting.
2. gather the information of the size of current in the supply line by detection module HDU, to judge the performance of tested module (being heating resistor in the present embodiment), because the size of electric current is instant playback, the not delay on the life period, so compare with the temperature that detects heating resistor, shortened the time of detecting greatly.
3. the user can issue sense command by the NMS of background net management system, detection module HDU is reported to the NMS of background net management system with testing result by environmental monitoring module ESC or master control veneer MCB, the wiring operation is not safeguarded at the scene of using, and has significantly reduced maintenance workload.
Claims (20)
1. a detection system is characterized in that, comprising:
Tested module is provided with two tie point A and B, after short circuit between A and the B is connected, and can be with tested module turn-on current;
Bypass module is provided with tie point A1 and B1, is provided with connecting path between tie point A1 and the B1, and series connection is provided with gauge tap in this connecting path, wherein, tie point A1 is connected with the tie point A of described tested module, and tie point B1 is connected with the tie point B of described tested module;
Detection module, this detection module is connected in the supply line of described tested module, is used to detect the electric current of described tested module of flowing through.
2. detection system according to claim 1 is characterized in that, is provided with the connection control module in the described detection module, is used for controlling when detecting the gauge tap connection of described bypass module.
3. detection system according to claim 2, it is characterized in that, be provided with current detection module in the described detection module, this current detection module is connected in the supply line of described tested module, is used for the magnitude of current of described tested module for power supply circuit is detected.
4. detection system according to claim 3, it is characterized in that, described current detection module comprises current detection sensor and signal conditioning circuit, this signal conditioning circuit comprises that signal input follows, operational amplifier and computing comparer, from the voltage signal of described current detection sensor output or the voltage signal that converts to by the current signal of described current detection sensor output, being input to the signal input follows and operational amplifier, through signal input follow amplify with operational amplifier after, be input to described computing comparer, voltage signal and reference voltage after described computing comparer will amplify compare, and with the form output of comparative result with high or low digital signal level.
5. detection system according to claim 4 is characterized in that, also is provided with processor module in the described detection module, and this processor module is controlled bypass module by described connection control module.
6. detection system according to claim 5, it is characterized in that, also be provided with the local maintenance module in the described detection module, this local maintenance module includes indicating device and control knob, indicating device is used to show the state of well heater, and control knob is used for described processor module is sent sense command.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described detection systems, it is characterized in that described tested module also is provided with heating resistor, after short circuit between A and the B is connected, just with this heating resistor turn-on current.
8. a kind of detection system according to claim 7 is characterized in that described detection system also comprises background net management, and this background net management is connected with described detection module.
9. a kind of detection system according to claim 8, it is characterized in that, described detection system also is provided with environmental monitoring module or master control veneer, described background net management is handed down to described detection module by described environmental monitoring module or master control veneer with sense command, and detection module reports described background net management by described environmental monitoring module or master control veneer with testing result.
10. a detection method is characterized in that, comprises step:
A. detection module control bypass module is connected gauge tap, and the supply line of tested module is switched on by gauge tap;
B. detection module detects the electric current in the tested module of flowing through, according to the size of electric current with have or not the performance of judging tested module.
11. a kind of detection method according to claim 10, it is characterized in that, in the b step, detection module is that the employing current detection sensor detects the electric current in the tested module of flowing through, electric current in the supply line of tested module is during by described current detection sensor, described current detection sensor collects supply current, and the size of supply current is exported with the form of voltage signal.
12. a kind of detection method according to claim 11, it is characterized in that, in the b step, the signal conditioning circuit of described current detection module is treated to the digital signal that processor module can be differentiated with the voltage or the current signal of described current detection sensor output, processor module carries out judgment processing to described digital signal, if electric current in certain scope, thinks then that tested module performance is normal.
13. a kind of detection method according to claim 12, it is characterized in that, in the b step, signal conditioning circuit is specially the process that the voltage or the current signal of described current detection sensor output is treated to digital signal: from the voltage signal of described current detection sensor output or the voltage signal that converted to by the current signal of described current detection sensor output, being input to the signal input follows and operational amplifier, through signal input follow amplify with operational amplifier after, be input to described computing comparer, voltage signal and reference voltage after described computing comparer will amplify compare, and with the form output of comparative result with high or low digital signal level.
14. according to claim 10 or 12 or 13 described a kind of detection methods, it is characterized in that, tested module is provided with heating resistor, after short circuit connection between A and the B, can be with the heating resistor turn-on current, the heating resistor performance just often, its electric current of flowing through should be in the scope between following two values:
Heating resistor maximum current criterion is: (supply voltage maximum fluctuation value)/(minimum value of heater resistance) * 1.05;
Heating resistor minimum current criterion is: (supply voltage minimal ripple value)/(maximal value of heater resistance) * 0.95.
15. a kind of detection method according to claim 14 is characterized in that,
In a step, after processor module received detection signal, control was connected control module the gauge tap of bypass module is connected.
16. a kind of detection method according to claim 15 is characterized in that, in a step, starts the detection control knob of local maintenance module earlier, processor module receives the detection signal that detects control knob.
17. a kind of detection method according to claim 16 is characterized in that, in the b step, testing result shows by the indicating device of local maintenance module.
18. a kind of detection method according to claim 15 is characterized in that in a step, the user issues sense command by background net management to detection module, in the b step, detection module reports background net management with testing result.
19. a kind of detection method according to claim 18, it is characterized in that, in a step, the sense command of background net management is handed down to detection module by main control veneer or environmental monitoring veneer, in the b step, the testing result of detection module is reported to background net management by environmental monitoring module or master control veneer.
20. a kind of detection method according to claim 19, it is characterized in that, in a step, environmental monitoring module or master control veneer send the sense command of background net management to detection module by this communication interface modules, in the b step, this communication interface modules is reported to background net management with the testing result of detection module by environmental monitoring module or master control veneer.
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| CNB2005101215139A CN100476394C (en) | 2005-12-31 | 2005-12-31 | Detecting system and method |
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| CNB2005101215139A CN100476394C (en) | 2005-12-31 | 2005-12-31 | Detecting system and method |
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| CN1858573A true CN1858573A (en) | 2006-11-08 |
| CN100476394C CN100476394C (en) | 2009-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693398A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101750162B (en) * | 2009-11-12 | 2012-05-23 | 华为终端有限公司 | Method, device and terminal for detection of terminal abnormal heating |
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| US6107777A (en) * | 1997-07-25 | 2000-08-22 | Becton, Dickinson And Company | Circuit for causing a voltage step in a multi-cell battery |
| CN100354637C (en) * | 2003-09-09 | 2007-12-12 | 华为技术有限公司 | Test circuit and test method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108693398A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration and method |
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