CN103630255A - A system for carrying out on-line monitoring on the temperatures of capacitors of an uninterrupted power supply in an operation state - Google Patents
A system for carrying out on-line monitoring on the temperatures of capacitors of an uninterrupted power supply in an operation state Download PDFInfo
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Abstract
The embodiment of the invention discloses a system for carrying out on-line monitoring on the temperature of a capacitor of an uninterrupted power supply (UPS) in an operation state. The system comprises the following steps: a linearity temperature sensor probe and an alarm temperature sensor probe are arranged on the surface of each capacitor in the UPS; another linearity temperature sensor probe is also arranged in the air surrounding the capacitors in the UPS; cables of the linearity temperature sensor probes arranged on the surfaces of the capacitors and a cable of the linearity temperature sensor probe arranged in the air surrounding the capacitors separately extend to the outside portion of a UPS casing, and the cables are sequentially connected with a resistor temperature collector, a temperature measurement circuit and a display. The alarm temperature sensor probes arranged on the surfaces of the capacitors are in series connection with each other. The alarm temperature sensor probes extend to the outside portion of a UPS casing through the cables and are sequentially connected with the resistor temperature collector and a temperature alarm. According to the embodiment of the invention, the temperatures of the capacitors of the uninterrupted power supply (UPS) in the operation state can be measured and when abnormities occur to the capacitors, warning information can be timely emitted.
Description
Technical field
The present invention relates to communication power supply field, especially, relate to a kind of system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring.
Background technology
UPS(Uninterruptible Power Supply, uninterrupted power source) equipment is the communications field widely used standby AC power equipment.UPS equipment need to access some capacity up to the big capacity electrolyte capacitor of thousand microfarads microfarads even up to ten thousand at its ac input end, DC terminal, ac output end, to meet the need of work of ups power filtering, accumulation of energy, voltage stabilizing.
A major defect of electrochemical capacitor is to be easily subject to the impact of power supply clutter, harmonic wave and temperature and accelerated deterioration, quality badness.Once and that big capacity electrolyte capacitor occurs is seriously deteriorated, easily cause that capacitance temperature rises, body distortion bulging or electrolytic solution leakage, finally probably occur that inner the two poles of the earth puncture short or outside electrolyte flow allow the short circuit of electric capacity the two poles of the earth.Big capacity electrolyte capacitor voltage is high, capacity is large, once there is short circuit, inner energetic charges of assembling can make electric capacity burst even catching fire, therefore bring serious communication power supply trouble or fire safety evaluating accident, find as early as possible that aging and the deteriorated sign of electrochemical capacitor is that elimination UPS electric capacity bursts or the important prerequisite of hidden danger on fire.
A large amount of theories and experience show, it is the abnormal important symbol of the inner generation of electric capacity that big capacity electrolyte capacitor temperature raises, and therefore detects the mass change that UPS capacitive surface temperature variations can be grasped the electrochemical capacitor in the UPS in running status more exactly.Because the continuity of communication network device power supply requires and the various objective condition such as mode of operation of UPS equipment high voltage, large electric current limit, inventor finds, the temperature that detects the internal capacitance of the UPS of communications equipment room in running status is a very difficult thing, and reason is as follows:
(1) device that UPS equipment itself does not have configuration automatically to measure each capacitance temperature at present, detect UPS capacitance temperature, must open equipment cabinets by technician, from outside, measures.
(2) for communication production safety, consider, UPS equipment in communications equipment room all cabinet panels that all will close in working order time, therefore when UPS equipment work, staff cannot directly measure in UPS equipment outside capacitance temperature situation and the inspection electric capacity outward appearance situation of the inside.
(3) in communications office site; if one just will shut down at the UPS of production run, open cabinet panel and overhaul its inner case; need through very strict production management approval process; and after UPS, the load equipment that connects must be carried out back-up processing and business arrangement; prevent from causing whole ups system power failure because of the operation that has a power failure; impact communication is produced; even if so will have a power failure and once be keeped in repair all very difficultly in some simple fault of the UPS of running status equipment, let alone regular regular power failure and checked the way of electric capacity.
(4) even so, enable to have an opportunity to allow the UPS power failure in running status check, because UPS equipment has quit work, electric capacity does not carry duty at normal band again, ripple current is eliminated automatically, also just less generated heat, surface temperature obviously declines, and electric capacity actual work temperature rising situation still cannot be detected.
As can be seen here; in communications equipment room, allowing UPS in normal operating conditions shut down Detection capacitance temperature is a very difficult thing; need a plurality of departments cooperation, carry out careful plan and just can complete; therefore, to regularly check continually that at present UPS electrochemical capacitor is a unpractical thing.
Summary of the invention
The technical matters that the embodiment of the present invention will solve is to provide a kind of system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring, the temperature regime of each electric capacity in can the UPS of Real-Time Monitoring in running status.
The embodiment of the present invention provides a kind of system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring, and the outside surface that is included in each electric capacity in uninterrupted power source UPS all arranges linear temperature sensor probe and alarm temperature sensor probe; Linear temperature sensor probe is set in the electric capacity ambient air in UPS; It is outside that the cable that is arranged on each linear temperature sensor probe of capacitive surface and is arranged on the linear temperature sensor probe in electric capacity surrounding air extends to respectively UPS cabinet, and be connected with resistance temperature collector, temperature measurement circuit and display successively; Each alarm temperature sensor probe that is arranged on each capacitive surface is connected mutually, extends to UPS cabinet outside, and be connected with temperature alarm with resistance temperature collector successively after series connection by cable.
What the embodiment of the present invention provided carries out the system of on-line monitoring to the capacitance temperature of operating uninterrupted power source, due to by the linear temperature sensor probe for accurate thermometric be set directly at each capacitive surface of UPS inside for the alarm temperature sensor probe of reporting to the police, therefore not only can directly measure the surface temperature of each electric capacity in running order UPS, and when each electric capacity operation irregularity, be that the surface temperature of each electric capacity can also be by the alarm information that gives a warning in time when too high, solved and cannot monitor the problem of the capacitance temperature in running order UPS in prior art.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of the present invention's system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring.
Fig. 2 is the schematic diagram of electric capacity outside surface and electric capacity environment temperature metering circuit example in the present invention.
Fig. 3 is the temperature-resistance value relation curve schematic diagram of a kind of posistor in the present invention.
Fig. 4 is the schematic diagram of electric capacity hull-skin temperature overload alarm practical circuit in the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but do not form inappropriate limitation of the present invention.
To the description only actually of at least one exemplary embodiment, be illustrative below, never as any restriction to the present invention and application or use.
From electrochemical capacitor material behavior and use experience, the ageing process of the big capacity electrolyte capacitor in UPS equipment is often accompanied by the internal temperature uphill process of electrochemical capacitor, that is to say, the variation of electric capacity internal temperature is a key signal of capacitance variations, after electric capacity internal temperature raises, heat has just strengthened, heat of long duration can be delivered to capacitance shell, cause the rising of capacitance shell temperature, certainly, internal and external temperature has slight gap, form a thermograde, but it is very little that the two differs, therefore, the temperature that can use for reference electric capacity outside surface reflects the temperature of electric capacity inside.Whether according to the hull-skin temperature of electrochemical capacitor under measured UPS equipment working state, just can judge electric capacity has occurred extremely.Electric capacity is occurred to the UPS equipment of temperature anomaly carries out shutdown inspection and changes electric capacity, can realize in this way timely discovery, processing in time to deteriorated electric capacity, to eliminate the potential safety hazard of UPS electric capacity.
The following embodiment of the present invention utilizes thermistor and thermopair to do SMD Miniature temperature probe, is close to and is fixed on the outside surface of each big capacity electrolyte capacitor of UPS device interior, also arranges a temp probe simultaneously near electric capacity in air.The variation of capacitive surface temperature and the variation of air themperature will cause the variation of SMD temp probe resistance value.The test cable line of the temp probe in each capacitive surface and electric capacity surrounding air is concentrated in together to the outside that extends to UPS wall of computer case.In UPS equipment cabinets outside, the test cable of all temp probes is concentrated in together to the cable plug receptacle of the multichannel row pin that forms a standard.Utilize a kind of temperature measuring device of demarcating, join with the temperature test interface of UPS cabinet outside, can directly test the temperature of inner each electric capacity outside surface of UPS.
This capacitance temperature method of testing can not shut down at UPS, do not opened under the prerequisite of panel and completes the surface temperature test and inspection work to UPS device interior big capacity electrolyte capacitor, helps communications equipment room UPS equipment personnel keeping UPS under normal operating condition, to carry out the hope of UPS electric capacity maintenance test.Once find that there is capacitance temperature, surpass arm's length standard restriction, mean and have electric capacity to occur extremely, can carrying out the plan of UPS shutdown inspection, whether OOBA (out of box audit) electric capacity there is profile variation in time, comprises the phenomenons such as leakage, bulging, distortion, variable color.
Fig. 1 is the structural representation of an embodiment of the present invention's system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring.
As shown in Figure 1, the system 10 in this embodiment can comprise linear temperature sensor probe 102, alarm temperature sensor probe 104, resistance temperature collector 106, temperature measurement circuit 108, display 110 and temperature alarm 112.
Wherein, the outside surface of each electric capacity in UPS all arranges linear temperature sensor probe 102 and alarm temperature sensor probe 104, linear temperature sensor probe is for measuring the actual temp value of each electric capacity outside surface, alarm temperature sensor probe is not used for measuring concrete temperature value, it changes minimum at normal temperatures, therefore at zero point, with temperature rising resistance value, change fast, can be used for finding fast the danger of overtemperature.
The principle of work of above-mentioned two kinds of temperature sensor probes is different: in order to measure concrete temperature value, in linear temperature sensor probe must operate between the linear zone of certain temperature and resistance value,, variation along with temperature, also there is corresponding variation in resistance value, and the measured temperature of alarm temperature sensor probe not with resistance value journey linear relationship, it is when certain temperature threshold is following, resistance value is less, when this temperature threshold is above, resistance value is undergone mutation, to realize the object of warning.
Linear temperature sensor probe 102 is set, to monitor electric capacity temperature around in the electric capacity ambient air in UPS.
Each the linear temperature sensor probe 102 that is arranged on capacitive surface extends to respectively UPS cabinet outside with the cable that is arranged on the linear temperature sensor probe 102 in electric capacity surrounding air, and successively with resistance temperature collector 106, temperature measurement circuit 108 and display 110 are connected, wherein, the object that the cable being connected with probe is extended to outside UPS cabinet is the temperature of being convenient to measure each electric capacity in UPS in UPS work, after resistance temperature collector 106, obtain the resistance value corresponding with temperature, after temperature measurement circuit 108, can obtain again electric capacity outside surface and electric capacity actual temperature around, for the ease of safeguarding, can show by 110 pairs of temperature of display.Particularly, resistance temperature collector can utilize the existing any collector that can realize this function, and temperature measurement circuit can draw the temperature value corresponding with resistance value with the linear relationship of resistance value according to temperature.
Each alarm temperature sensor probe 104 that is arranged on each capacitive surface is connected mutually, extends to UPS cabinet outside, and be connected with temperature alarm 112 with resistance temperature collector 106 successively after series connection by cable.When realizing warning function, can not carry out the measurement of actual temp, only in resistance value, undergo mutation,, temperature gives the alarm during higher than certain threshold value, now, as need, determine it is which or which capacitance temperature is too high, can by above-mentioned temperature measurement circuit, obtain again the actual temp value of each electric capacity outside surface.
This embodiment can be some heating at electric capacity, but does not also occur eliminating in advance failure safe hidden danger before high temperature blast, and UPS is safeguarded to validity, UPS power supply reliability have very big help, have really realized the target call of pre-maintenance.
Wherein, in order to guarantee thermometric accuracy, linear temperature sensor can be popped one's head in and 102 be close to the outside surface of electric capacity with alarm temperature sensor probe 104, surpass the resistance value generation respective change that a few minutes just can make temp probe duration of contact, temperature is higher, and resistance change is more obvious.The variation of resistance value just can be measured temperature value exactly through the temperature measurement circuit of having demarcated.
Alternatively, linear temperature sensor probe 102 can be thermopair, and thermopair is temperature element conventional in temperature measuring instrument, and it directly measures temperature, and temperature signal is converted to thermopower signal, by electric meter (secondary instrument), convert the temperature of measured medium to.The linear direct ratio of the temperature that thermopair is measured and resistance value.Alarm temperature sensor probe can be thermistor, thermal resistor is a class of sensitive element, according to temperature coefficient difference, be divided into positive temperature coefficient thermistor and negative temperature coefficient thermistor, the typical feature of thermal resistor is to responsive to temperature, shows different resistance values at different temperature.Positive temperature coefficient thermistor resistance value when temperature is higher is larger, and negative temperature coefficient thermistor resistance value when temperature is higher is lower.Further, this thermistor can be posistor or negative tempperature coefficient thermistor, and thermistor becomes nonlinear relationship with temperature, and during normal temperature, resistance variations is very little, temperature rising 1 degree during high temperature, and resistance value can increase doublely.
Further, the temperature measurement range of linear temperature sensor probe is at least not less than 0～150 degree, and between resistance value and temperature value, presents linear relationship in temperature measurement range, to determine exactly its corresponding temperature value according to resistance value.
In addition, the distance that is arranged on linear temperature sensor in electric capacity surrounding air probe and each electric capacity can be between 10 centimetres and 15 centimetres, if the too close electric capacity of this probe, can be disturbed by the surface temperature of electric capacity, away from electric capacity, can not represent again very much the true environment situation of capacitor regions.Visible, if with the distance of electric capacity the too small or excessive temperature that all can not accurately measure electric capacity surrounding air.
For the ease of monitoring with safeguard, outside at UPS cabinet, the cable being connected with each temperature sensor probe of drawing from UPS cabinet inside is integrated into the plug receptacle of a standard, the plug receptacle by this standard can be advantageously connected in other equipment or instrument.Wherein, temperature alarm is forever connected with the plug receptacle of standard by resistance temperature collector, to find in time alert.Display can be forever connected or connect when carrying out temperature monitoring again with temperature measurement circuit by resistance temperature collector.When alert occurs or when maintainer needs the changing condition of each capacitance temperature in periodic logging UPS, this interface can be connected on display by resistance temperature collector and temperature measurement circuit.
Next, then by an instantiation do not illustrate and unpack, do not shut down the System and method for that detects electrochemical capacitor temperature in UPS.
(1) utilize thermopair to do SMD Miniature temperature probe, be close to and be fixed on the outside surface of each big capacity electrolyte capacitor of UPS device interior.The physical dimension suggestion of probe is selected SMD, and it is long * wide that size is not more than 10mm*5mm().Temperature survey effective range is not less than 0 ~ 150 ℃.Proper probe is sheath temperature sensor thermal resistance and thermistor.
(2) UPS with the comprehensive Research on Automatic Measuring System of Temperature of electric capacity referring to Fig. 1, possess to electric capacity hull-skin temperature and air themperature is tested and electric capacity hull-skin temperature transfinites test and warning function.Overtemperature alarm is to set resistance thresholding, does not need accurate temperature value, and resistance value, is 800 Ω if set the resistance thresholding of 85 degree correspondences, no matter be that the resistance that true temperature produces is 800 Ω or 900 Ω, is all equally to report to the police.
(1) measurement of electric capacity hull-skin temperature
Outside surface at each electric capacity pastes a Miniature temperature sensing resistor probe, with the temperature of each capacitive surface of Measurement accuracy.The connection wire of each probe is moved to outside UPS cabinet always, accumulates standard interface.Require this temp probe temperature-resistance value in 0-150 ℃ of temperature range to be linear dependence, test result is accurate, and test circuit is referring to Fig. 2.
(2) electric capacity ambient air temperature test
The electric capacity row of the electric capacity close quarters in UPS or the space of capacitor board middle upper part, do not contact with electric capacity, and the minor increment from electric capacity is not less than the temperature sensor probe that 10cm place arranges a test UPS Inside Air Temperature, Measurement accuracy capacitance profile regional air environment temperature, grasps the actual temperature rise situation of electric capacity.The connection wire of this probe is moved the integrated standard interface of UPS cabinet foreign exchange to always.This temp probe requirement temperature-resistance value linearity in 0-150 ℃ of temperature is fine, and test result is accurate, and test circuit is referring to Fig. 2.
Temp probe for measuring electric capacity hull-skin temperature and air themperature, generally adopts resistance thermometer clement, and it has following characteristic:
1. temperature-coefficient of electrical resistance wants large and stable, between resistance value and temperature, should have good linear relationship.
2. resistivity is high, and thermal capacity is little, and reaction velocity is fast.
3. the repdocutbility of material and good manufacturability, price is low.
4. in temperature-measuring range, chemico-physical properties is stable.
The resistance of thermal resistance and the relation between temperature are close to linearity, and for example, platinum resistance temp probe can be represented by the formula within the scope of 0～630 ℃: R
t=R
0* (1+At+Bt
2), within the scope of-190～0 ℃, can be represented by the formula: R
t=R
0* (1+At+Bt
2+ Ct
3).
In formula: R
0and R
tthe resistance value that is respectively temperature platinum resistance when 0 ℃ and t ℃, t is arbitrary temp, A, B and C are temperature coefficient, are determined A=3.9684 * 10 by experiment
-3/ ℃, B=-5.847 * 10
-7/ ℃
2, C=-4.22 * 10
-l2/ ℃
3.
(3) test of capacitive surface temperature over-range and warning
The outside surface of each electric capacity equally also pastes a Miniature temperature sensing resistor probe, and all probes are together in series, and last test wire is moved the integrated standard interface of UPS cabinet foreign exchange to always.A plurality of capacitance probes are added the problem that there will be resistance to increase, but the resistance value that temperature is brought to critical point raises and is added much bigger than the resistance value of a plurality of electric capacity, for example, a UPS has 5 electric capacity, normal temperature is at 40 degree, 5 probes are in normally, each probe resistance is in 20 Ω, the all-in resistance of 5 probe series connection is 100 Ω, and electric capacity internal temperature is elevated to 80 while spending extremely, its probe resistance is more than 900 Ω, if resistance alarm threshold is set in 800 Ω, just can distinguish is that single capacitance temperature transfinites or a plurality of capacitance temperature rises.In addition, utilize series system can measure with remarkable minimizing the quantity of warning circuit.
This temp probe requires to adopt heater-type step change type positive temperature coefficient thermistor, at certain specified temp (for example, 85 ℃) following resistance is substantially constant, (be for example ohmage magnitude low resistance state, 1 Ω), for example, in the above resistance of certain specified temp (, 85 ℃), undergo mutation, in temperature rises 10 ~ 20 degree, resistance value can rise to a kilohm level, is a kilohm order of magnitude high-impedance state.Fig. 3 shows a kind of temperature-resistance value relation curve schematic diagram of posistor.In the figure, transverse axis represents temperature, and the longitudinal axis represents resistance value, visible, in 85 degree left and right, occurs that sudden change has occurred resistance value.Each temp probe is drawn respectively to test cable line, and extend to the outside of UPS wall of computer case.
For the temp probe of electric capacity hull-skin temperature overload alarm, generally adopt positive temp coefficient high molecular thermistor element, it has following characteristic:
1. resistance value is very little during normal temperature, to be not more than 1 Ω, is advisable.
2. resistance value rises with the rising of temperature, i.e. positive temperature coefficient (PTC).
3. the temperature jump of posistor is risen theoretical flex point 85 ℃ of left and right, 80 ~ 100 ℃ of above resistance change coefficient Δ R/ Δ T >=2 ~ 10,100 ℃ of above resistance values variation factor Δ R/ Δ T >=200 ~ 1000 that make progress, 85 ℃ of following change in resistance coefficient delta R/ Δ T≤0.1.
(3) in UPS equipment outside, all temperature test cables are concentrated in together to the plug receptacle that is unified into a standard, quantity can form a plurality of standard plug receptacles at most, this standard interface is so long as 9 general pin cable plug interfaces, for example, and RS232 interface.
(4) with cable, the good resistance temperature collector of the demarcation equally with standard interface and the temperature test cable plug receptacle on UPS shell are joined, then deliver to temperature measurement circuit and display can the hull-skin temperature of direct testing capacitor and the air themperature of UPS inside.The probe series circuit suddenling change by test resistance, capacitance temperature is elevated to and to a certain degree causes that the sudden delta data of probe resistance transmits out, trigger capacitance temperature overload alarm circuit, can realize arbitrary electric capacity abnormal high temperature in UPS is surpassed to the early warning that the upper limit may be brought security incident, test circuit is referring to Fig. 4.
(5) generally, UPS internal operation temperature is below 40 degree, if there is fault, temperature can raise, and when occurring that excess Temperature is reported to the police, contrasts near the air themperature in the space of each electric capacity hull-skin temperature and electric capacity, if really exist the hull-skin temperature of some electric capacity more high than other electric capacity, for example, exceed 20 degree, can judge that abnormal conditions have appearred in electric capacity.If find, the hull-skin temperature of all electric capacity is generally higher, and the air themperature in UPS is also higher, should be that abnormal conditions have appearred in the running status of UPS equipment own.
Above-mentioned capacitance temperature method of testing can complete the surface temperature test and inspection work to UPS device interior big capacity electrolyte capacitor under the prerequisite of not shutting down, do not open UPS device panel, helps communications equipment room UPS equipment personnel realization under normal operating condition, to carry out UPS electric capacity at maintenance UPS and safeguards and the hope checking.
In the ordinary course of things, the present invention only need carry out the layout of the interior capacitance temperature probe of UPS equipment and test cable, at UPS cabinet, reserve test interface outward, when maintainer patrols and examines to scene, to comprise the temperature measuring device access interface of resistance temperature collector, temperature measurement circuit and display, can read the temperature data of each electric capacity.In needs are grasped UPS equipment in real time during capacitance temperature situation, also cut-in temperature tester for a long time; Also can be uploaded to Surveillance center by the intelligent interface of intelligent temp-measuring device.
In this instructions, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that part identical with similar between each embodiment can cross-references.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part can be referring to the explanation of embodiment of the method part.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. the capacitance temperature of operating uninterrupted power source is carried out to a system for on-line monitoring, it is characterized in that, comprising:
The outside surface of each electric capacity in uninterrupted power source UPS all arranges linear temperature sensor probe and alarm temperature sensor probe;
Described linear temperature sensor probe is set in the electric capacity ambient air in UPS;
It is outside that the cable that is arranged on each linear temperature sensor probe of capacitive surface and is arranged on the linear temperature sensor probe in electric capacity surrounding air extends to respectively UPS cabinet, and be connected with resistance temperature collector, temperature measurement circuit and display successively;
Each alarm temperature sensor probe that is arranged on each capacitive surface is connected mutually, extends to UPS cabinet outside, and be connected with temperature alarm with described resistance temperature collector successively after series connection by cable.
2. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, is characterized in that, described linear temperature sensor probe and described alarm temperature sensor probe are close to the outside surface of electric capacity.
3. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, is characterized in that, described linear temperature sensor probe is thermopair.
4. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, is characterized in that, described alarm temperature sensor probe is thermistor.
5. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, is characterized in that, is arranged on the distance of linear temperature sensor in electric capacity surrounding air probe and each electric capacity between 10 centimetres and 15 centimetres.
6. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, it is characterized in that, the temperature measurement range of described linear temperature sensor probe is not less than 0～150 degree, and between resistance value and temperature value, presents linear relationship in described temperature measurement range.
7. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 4, is characterized in that, described thermistor is posistor.
8. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 1, it is characterized in that, in UPS cabinet outside, the cable being connected of drawing from UPS cabinet inside is integrated into the plug receptacle of a standard with each temperature sensor probe.
9. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 8, is characterized in that, described temperature alarm is forever connected with the plug receptacle of described standard by described resistance temperature collector.
10. system of the capacitance temperature of operating uninterrupted power source being carried out to on-line monitoring according to claim 8, is characterized in that, described display is forever connected or connection when carrying out temperature monitoring with temperature measurement circuit by described resistance temperature collector.
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| CN112384772A (en) * | 2017-12-21 | 2021-02-19 | Abb瑞士股份有限公司 | Thermal imaging inspection of electrical equipment |
| CN108808836A (en) * | 2018-04-16 | 2018-11-13 | 山特电子（深圳）有限公司 | Holder and the UPS for installing capacitance and temperature-sensing element in UPS |
| CN108808836B (en) * | 2018-04-16 | 2021-09-17 | 山特电子（深圳）有限公司 | Support for installing capacitor and temperature sensing element in UPS and UPS |
| TWI826435B (en) * | 2018-04-16 | 2023-12-21 | 大陸商山特電子（深圳）有限公司 | Bracket for mounting capacitor and temperature sensing element in a ups and ups having the same |
| CN113917356A (en) * | 2021-09-14 | 2022-01-11 | 科华数据股份有限公司 | UPS part monitoring device |
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| CN103630255B (en) | 2016-12-21 |
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