CN205655938U - Transmission line test system - Google Patents
Transmission line test system Download PDFInfo
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- CN205655938U CN205655938U CN201620386925.9U CN201620386925U CN205655938U CN 205655938 U CN205655938 U CN 205655938U CN 201620386925 U CN201620386925 U CN 201620386925U CN 205655938 U CN205655938 U CN 205655938U
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- transmission line
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Abstract
The utility model discloses a transmission line test system for to the transmission line NULL who has ground connection phase line and a plurality of confession ferroelectric phase lines, including burner, temperature rise device, rated voltage source, a plurality of load device, voltage resistance test device, temperature measuring device, an auto -change over device and the 2nd auto -change over device. Burner burns with the simulated fire hazard condition to transmission line, through the temperature rise device to supplying ferroelectric phase line input heavy current, through the rated voltage source to supplying ferroelectric phase line input voltage with the operation of simulation transmission line under the rated voltage, overvoltage resistance test device detects voltage drop that supplies on the ferroelectric phase line and the resistance that supplies the ferroelectric phase line and becomes, the temperature that supply ferroelectric phase line is detected through temperature measuring device. Therefore, the utility model discloses transmission line test system can inspect at experiment under the simulated fire hazard condition, and the utility model discloses temperature variation, resistance that transmission line test system can measure the transmission line under the conflagration condition change and the voltage drop.
Description
Technical field
This utility model relates to transmission line of electricity inspection technology field, particularly relates to a kind of transmission line of electricity checking system.
Background technology
When current power transmission circuit (such as fireproof bus duct, fire-resisting cable, fire-retardant bridge etc.) carries out fire test inspection, the electric current being passed through transmission line of electricity is the least (generally 0.45A), and transmission line of electricity is when carrying out current-carrying capacity or high temperature experimental check, power transmission line is again to be passed through big electric current under low pressure (less than 10V) room temperature environment, and above-mentioned two experimental check is carried out respectively.
But, what transmission line of electricity was passed through in case of fire is the most all big electric current, and existing detection is not substantially inconsistent with practical situation.Transmission line of electricity can generate heat when being passed through big electric current, and transmission line of electricity can shake.This will certainly affect transmission line of electricity running status in case of fire；Additionally at present not detecting conductor resistance, variations in temperature and voltage drop in fire test, these all can affect the properly functioning of transmission line of electricity and electrical appliance.The most current fire-resistant circuit experimental check can not reflect transmission line of electricity running status in case of fire.
Utility model content
The purpose of this utility model is to provide a kind of simulated fire situation carry out experimental check and can measure the transmission line of electricity checking system of the variations in temperature of transmission line of electricity, resistance variations and voltage drop.
In order to realize the purpose of this utility model, this utility model provides a kind of transmission line of electricity checking system, for the transmission line of electricity with grounded phase wire and some power supply phase lines is tested, including:
Burner, for burning to transmission line of electricity；
Temperature rise device, for described some power supply phase line input currents；
Rated voltage power supply, for providing voltage respectively to described some power supply phase lines；
Some load devices, for forming electricity consumption loop with corresponding power supply phase line and rated voltage power supply respectively；
Voltage/resistance test device, for being connected to the two ends of at least one power supply phase line, to detect the voltage drop in described power supply phase line and resistance variations；
Temperature measuring equipment, for detecting the temperature of described power supply phase line；
First switching device, is used for switching to temperature rise device is connected with described some power supply phase lines or is switched to and is connected with described some power supply phase lines in rated voltage source；And
Second switching device, is used for switching to and described some power supply phase line short circuits or switch to is connected with described some power supply phase line ends respectively by respective load device.
As the improvement of this utility model above-mentioned transmission line of electricity checking system, described burner is combustion furnace or combustion supporter.
As the improvement of this utility model above-mentioned transmission line of electricity checking system, described temperature measuring equipment has some thermocouples, and these some thermocouples are respectively used to be arranged on the centre of described some power supply phase lines.
As the improvement of this utility model above-mentioned transmission line of electricity checking system, described voltage/resistance test device includes that voltameter and megger, voltameter and megger are respectively used to be connected to power accordingly the two ends of phase line.
As the improvement of this utility model above-mentioned transmission line of electricity checking system, described load device is bulb.
Owing to transmission line of electricity is burnt with simulated fire situation by this utility model above-mentioned transmission line of electricity checking system by burner；Big electric current is inputted to power supply phase line by temperature rise device；By rated voltage source to power supply phase line input voltage with transmission line simulation operation under rated voltage；Voltage drop and the resistance of power supply phase line in overvoltage/resistance testing device detection power supply phase line become；Temperature by temperature measuring equipment detection power supply phase line.Therefore, this utility model transmission line of electricity checking system can carry out experimental check in the case of simulated fire, and this utility model transmission line of electricity checking system can measure the variations in temperature of transmission line of electricity, resistance variations and the voltage drop under fire condition.
Accompanying drawing explanation
Fig. 1 is this utility model transmission line of electricity checking system one specific embodiment structural representation when temperature rise device works；
Fig. 2 is this utility model transmission line of electricity checking system above-mentioned specific embodiment structural representation when working in rated voltage source.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
With specific embodiment, technical scheme described in the utility model is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
Refer to Fig. 1 and Fig. 2, there is disclosed a specific embodiment of this utility model transmission line of electricity checking system, in the present embodiment, transmission line of electricity checking system is for detecting transmission line of electricity 200, and described transmission line of electricity 200 includes shell 210 and the grounded phase wire 220 being arranged in shell 210, power supply phase line 230, power supply phase line 240 and power supply phase line 250；In the present embodiment, described transmission line of electricity 200 also includes the neutral phase line 260 being arranged in shell 210.
Transmission line of electricity checking system includes burner 10, temperature rise device 20, rated voltage source 30, some load devices 40, voltage/resistance test device 50, temperature measuring equipment the 60, first switching device 70 and the second switching device 80.
Burner 10 is combustion furnace or combustion supporter, for burning transmission line of electricity 200, with simulated fire situation.
Temperature rise device 20, for power supply phase line 230, power supply phase line 240 and power supply phase line 250 input electric current more than 0.45A.
Rated voltage source 30, for power supply phase line 230, power supply phase line 240 and power supply one end of phase line 250 and be connected with a load device 40, to provide voltage to power supply phase line 230, power supply phase line 240, power supply phase line 250.
Some load devices 40 are bulb, and the load device 40 in these some load devices 40 is for being connected with one end of neutral phase line 260, so that rated voltage source 30 provides voltage to neutral phase line 260；Other load device 40 is respectively used to be connected also ground connection with power supply phase line 230, power supply phase line 240 and the other end of power supply phase line 250 and rated voltage source 30, so that forming electricity consumption loop between rated voltage source 30, corresponding power supply phase line 230, power supply phase line 240 and power supply phase line 250 and accordingly load device 40.
Voltage/resistance test device 50 includes that voltameter and megger, voltameter and megger are respectively used to be connected to the two ends of power supply phase line 250, with the voltage drop in detection power supply phase line 250 and the resistance variations of power supply phase line 250；Multiple voltage/resistance test device 50 can certainly be set, it is respectively used to be connected to power phase line 230, power supply phase line 240 and power supply phase line 250 two ends, to detect the voltage drop in power supply phase line 250, power supply phase line 240 and power supply phase line 250 and the resistance variations of power supply phase line 250 respectively.
Temperature measuring equipment 60, for detecting power supply phase line 230, power supply phase line 240 and the temperature of power supply phase line 250, in the present embodiment, temperature measuring equipment 60 has some thermocouples 61, and these some thermocouples 61 are separately positioned on power supply phase line 230, power supply phase line 240, the centre of power supply phase line 250.
First switching device 70, for switching to, one end of temperature rise device 20 with power supply phase line 230, power supply phase line 240 and power supply phase line 250 is connected or switches to this end by rated voltage source 30 with power supply phase line 230, power supply phase line 240 and power supply phase line 250 be connected, that is one end of temperature rise device 20 with power supply phase line 230, power supply phase line 240 and power supply phase line 250 is being connected or is switching between being connected by this end in rated voltage source 30 with power supply phase line 230, power supply phase line 240 and power supply phase line 250 by the first switching device 70.
Second switching device 80, for switching to power supply phase line 230, power supply phase line 240 and the power supply other end short circuit of phase line 250 or switching to respective load device 40 phase with power supply phase line 230, power supply phase line 240 and power supply phase line 250 respectively to hold to be connected, that is the second switching device 80 by power supply phase line 230, power supply phase line 240 and the other end short circuit of power supply phase line 250 or by respective load device 40 respectively phase with power supply phase line 230, power supply phase line 240 and power supply phase line 250 should hold be connected between switch over.
When transmission line of electricity is detected by this utility model transmission line of electricity checking system, transmission line of electricity 200 is placed on burner 10；First switching device 70 switches to temperature rise device 20 be connected with one end of power supply phase line 230, power supply phase line 240 and power supply phase line 250, the second switching device 80 is switched to power supply phase line 230, power supply phase line 240 and the other end short circuit of power supply phase line 250；Some thermocouples 61 of temperature measuring equipment 60 are separately positioned on power supply phase line 230, power supply phase line 240, the centre of power supply phase line 250；By burner 10 simulated fire situation, temperature rise device 20 makes power supply phase line 230, power supply phase line 240 and power supply phase line 250 heat up to power supply phase line 230, power supply phase line 240 and power supply phase line 250 input electric current more than 0.45A；At temperature rise device 20 to power supply phase line 230, power supply phase line 240 with after the phase line 250 input current scheduled time of powering, first switching device 70 switches to rated voltage source 30 connect to corresponding one end of power supply phase line 230, power supply phase line 240 and power supply phase line 250, the second switching device 80 switches to respective load device 40 corresponding one end respectively to power supply phase line 230, power supply phase line 240 and power supply phase line 250 connect；By shell 210 and grounded phase wire 220 and neutral phase line 260 corresponding one end ground connection；Voltage/resistance is tested device 50 and is connected to the two ends of power supply phase line 250；Continue transmission line of electricity 200 is simulated fire condition by burner 10.
By burner 10, transmission line of electricity 200 is burnt with simulated fire situation；Big electric current is inputted to power supply phase line 230, power supply phase line 240 and power supply phase line 250 by temperature rise device 20；By rated voltage source 30 to power supply phase line 230, power supply phase line 240 and power supply phase line 250 input voltage with the transmission line simulation 200 operation under rated voltage；May indicate that whether power supply phase line 230, power supply phase line 240, power supply phase line 250 and neutral phase line 260 turn on by load device 40；Become by the resistance of the voltage drop in voltage/resistance test device 50 detection power supply phase line 250 and power supply phase line 250；By temperature measuring equipment 60 detection power supply phase line 230, power supply phase line 240 and the temperature of power supply phase line 250.
Therefore, this utility model transmission line of electricity checking system can carry out experimental check in the case of simulated fire, and this utility model transmission line of electricity checking system can measure the variations in temperature of transmission line of electricity 200, resistance variations and the voltage drop under fire condition.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (5)
1. a transmission line of electricity checking system, for the transmission line of electricity with grounded phase wire and some power supply phase lines is tested, it is characterised in that including:
Burner, for burning to transmission line of electricity；
Temperature rise device, for described some power supply phase line input currents；
Rated voltage power supply, for providing voltage respectively to described some power supply phase lines；
Some load devices, for forming electricity consumption loop with corresponding power supply phase line and rated voltage power supply respectively；
Voltage/resistance test device, for being connected to the two ends of at least one power supply phase line, to detect the voltage drop in described power supply phase line and resistance variations；
Temperature measuring equipment, for detecting the temperature of described power supply phase line；
First switching device, is used for switching to temperature rise device is connected with described some power supply phase lines or is switched to and is connected with described some power supply phase lines in rated voltage source；And
Second switching device, is used for switching to and described some power supply phase line short circuits or switch to is connected with described some power supply phase line ends respectively by respective load device.
2. transmission line of electricity checking system as claimed in claim 1, it is characterised in that described burner is combustion furnace or combustion supporter.
3. transmission line of electricity checking system as claimed in claim 1, it is characterised in that described temperature measuring equipment has some thermocouples, and these some thermocouples are respectively used to be arranged on the centre of described some power supply phase lines.
4. transmission line of electricity checking system as claimed in claim 1, it is characterised in that described voltage/resistance test device includes that voltameter and megger, voltameter and megger are respectively used to be connected to power accordingly the two ends of phase line.
5. transmission line of electricity checking system as claimed in claim 1, it is characterised in that described load device is bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386925.9U CN205655938U (en) | 2016-04-29 | 2016-04-29 | Transmission line test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386925.9U CN205655938U (en) | 2016-04-29 | 2016-04-29 | Transmission line test system |
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| Publication Number | Publication Date |
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| CN205655938U true CN205655938U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620386925.9U Active CN205655938U (en) | 2016-04-29 | 2016-04-29 | Transmission line test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398617A (en) * | 2018-02-12 | 2018-08-14 | 江苏师范大学 | A kind of detection of super-pressure electrical body failure and transmitting device and detection method |
-
2016
- 2016-04-29 CN CN201620386925.9U patent/CN205655938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398617A (en) * | 2018-02-12 | 2018-08-14 | 江苏师范大学 | A kind of detection of super-pressure electrical body failure and transmitting device and detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210618 Address after: 518000 Wall Industrial Park, Lanjing North Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518118 Vol Industrial Park, Lanjingbei Road, Pingshan New Area, Shenzhen City, Guangdong Province Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. |
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| TR01 | Transfer of patent right |