CN204832353U - Insulating oil price is decreased and resistivity automatic testing appearance - Google Patents
Insulating oil price is decreased and resistivity automatic testing appearance Download PDFInfo
- Publication number
- CN204832353U CN204832353U CN201520364915.0U CN201520364915U CN204832353U CN 204832353 U CN204832353 U CN 204832353U CN 201520364915 U CN201520364915 U CN 201520364915U CN 204832353 U CN204832353 U CN 204832353U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- instrument
- sensor
- zero passage
- resistivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model discloses an insulating oil price is decreased and resistivity automatic testing appearance, including power frequency high pressure, oil cup, intermediate frequency induction heating circuit, singlechip no. 2, adopt warm circuit, AD converter, sensor, internal standard cn, zero passage monitor no. 1, zero passage monitor no. 2 and first singlechip, power frequency high pressure through electrical property input connection oil cup the intermediate frequency answers heating circuit to pass through electrical property input connection oil cup and singlechip no. 2, warm circuit and signal sampling appearance no. 1 are adopted through the electrical property input connection to the oil cup, adopt warm circuit telecommunications input connection AD converter, internal standard cn passes through electrical property input connection signal sampling appearance no. 2, signal switch respectively with sensor no. 1 and two electric connection of sensor, zero passage monitor no. 1 passes through electrical property input connection mirror looks with zero passage monitor no. 2. The utility model has the advantages of it is a great deal of that measurement accuracy is high, stability is good, convenient operation, small, light in weight, heat time are short etc.
Description
Technical field
The utility model relates to electronic instrument technology field, is specially a kind of insulation oil price and undermines resistivity auto testing instrument.
Background technology
Oil dielectric loss and specific insulation are measured, it is the big event that power equipment carries out periodic measurement, liquid insulating medium, mainly contain transformer oil, cable compound, capacitor wet goods, by to their dielectric losses (tg δ), the measurement of specific insulation (ρ), to judge its electric property and insulating property, ensures the normal operation of whole system equipment.Current domestic oil loss used (tan δ) and specific insulation (ρ) test macro ubiquity accuracy of measurement is low, the shortcoming of poor repeatability, and its lubricating cup constant temperature system poor performance.
Utility model content
The purpose of this utility model is to provide a kind of insulation oil price to undermine resistivity auto testing instrument, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of insulation oil price undermines resistivity auto testing instrument, comprise power frequency high voltage, lubricating cup, Frequency Induction Heating circuit, single-chip microcomputer two, adopt circuit temperature, A/D converter, sensor, internal standard Cn, zero passage monitor one, zero passage monitor two and the first single-chip microcomputer, described power frequency high voltage connects lubricating cup by electrically inputting, described intermediate frequency answers heater circuit to pass through electrically input connection lubricating cup and single-chip microcomputer two, described lubricating cup adopts circuit temperature and sample of signal instrument one by electrically inputting connection, described circuit temperature telecommunications of adopting inputs connection A/D converter, described A/D converter electrically inputs and connects single-chip microcomputer two, described internal standard Cn is by electrically inputting connection signal sampling instrument two, described sample of signal instrument one and sample of signal instrument two electrically input connection signal switch, described signal switching is electrically connected with sensor one and sensor two respectively, described zero passage monitor one is connected phase demodulation with zero passage monitor two by electrically inputting.
Preferably, described sensor one is connected with the first single-chip microcomputer by V/F change instrument one.
Preferably, described sensor two is connected with the first single-chip microcomputer by V/F change instrument two.
Preferably, described phase demodulation and single-chip microcomputer two are by electrically inputting connection first single-chip microcomputer.
Preferably, described first single-chip microcomputer and LCDs are electrically connected.
Preferably, described first single-chip microcomputer is provided with insulating protective layer.
Compared with prior art, the beneficial effects of the utility model are: this insulation oil price undermines resistivity auto testing instrument, a kind of high precision, full-automatic, portable intelligent oily dielectric loss and specific insulation integrated testing instrument, there is the plurality of advantages such as measuring accuracy is high, good stability, easy to operate, volume is little, lightweight, the heat time is short, also can communicate with host computer, measurement result is sent to the enterprising row data preservation of PC to show with curve, single-chip microcomputer is provided with insulation course can prevent electrostatic reaction, causes exposing of electric spark.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
In figure: 1, power frequency high voltage, 2, lubricating cup, 3, Frequency Induction Heating circuit, 4, single-chip microcomputer two, 5, adopt circuit temperature, 6, A/D converter, 7, sample of signal instrument one, 8, sensor one, 9, V/F change instrument one, 10, internal standard Cn, 11, sample of signal instrument two, 12, signal switching, 13, sensor two, 14 zero passage detection instrument one, 15, zero passage detection instrument two, 16, V/F changes instrument two, 17 phase demodulation, the 18, first single-chip microcomputer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of insulation oil price undermines resistivity auto testing instrument, comprise power frequency high voltage 1, lubricating cup 2, Frequency Induction Heating circuit 3, single-chip microcomputer two (4), adopt circuit temperature 5, A/D converter 6, sensor 8, internal standard Cn10, zero passage monitor 1, zero passage monitor 2 15 and the first single-chip microcomputer 18, power frequency high voltage 1 connects lubricating cup 2 by electrically inputting, intermediate frequency answers heater circuit 3 to connect lubricating cup 2 and single-chip microcomputer 24 by electrically inputting, lubricating cup 2 adopts circuit temperature 5 and sample of signal instrument 1 by electrically inputting connection, adopt the input of circuit temperature 5 telecommunications and connect A/D converter 6, A/D converter 6 electrically input connects single-chip microcomputer 24, institute internal standard Cn10 is by electrically inputting connection signal sampling instrument 2 11, sample of signal instrument 1 and sample of signal instrument 2 11 electrically input connection signal switch 12, signal switching 12 is electrically connected with sensor 1 and sensor 2 13 respectively, zero passage monitor 1 is connected phase demodulation 17 with zero passage monitor 2 15 by electrically inputting, sensor 1 changes instrument 1 by V/F and is connected with the first single-chip microcomputer 18, sensor 2 13 changes instrument 2 16 by V/F and is connected with the first single-chip microcomputer 18, phase demodulation 17 and single-chip microcomputer 24 are by electrically inputting connection first single-chip microcomputer 18, first single-chip microcomputer 18 is electrically connected with LCDs, first single-chip microcomputer 18 is provided with insulating protective layer.
Principle of work: be made up of lubricating cup thermostatic control system and oil loss (tan δ) test macro and specific insulation (ρ) test macro in use, first single-chip microcomputer 18 communicates with single-chip microcomputer 24, guarantee the combination of whole system, lubricating cup thermostatic control system is by lubricating cup 2, Frequency Induction Heating circuit 3, adopt circuit temperature 5, A/D converter 1, single-chip microcomputer 24 is formed, dielectric loss (tan δ) test macro, by internal standard Cn10 and sample of signal 2 11, sensor 2 13, zero passage detection instrument 2 15, phase demodulation 17 circuit and V/F convert instrument 2 16, first single-chip microcomputer 18 is formed.
This insulation oil price undermines resistivity auto testing instrument, a kind of high precision, full-automatic, portable intelligent oily dielectric loss and specific insulation integrated testing instrument, there is the plurality of advantages such as measuring accuracy is high, good stability, easy to operate, volume is little, lightweight, the heat time is short, also can communicate with host computer, measurement result is sent to the enterprising row data preservation of PC to show with curve, single-chip microcomputer is provided with insulation course can prevent electrostatic reaction, causes exposing of electric spark.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (6)
1. an insulation oil price undermines resistivity auto testing instrument, comprise power frequency high voltage (1), lubricating cup (2), Frequency Induction Heating circuit (3), single-chip microcomputer two (4), adopt circuit temperature (5), A/D converter (6), sensor (8), internal standard Cn (10), zero passage monitor one (14), zero passage monitor two (15) and the first single-chip microcomputer (18), it is characterized in that: described power frequency high voltage (1) is by electrically input connection lubricating cup (2), described intermediate frequency answers heater circuit (3) to connect lubricating cup (2) and single-chip microcomputer two (4) by electrically inputting, described lubricating cup (2) adopts circuit temperature (5) and sample of signal instrument one (7) by electrically inputting connection, described circuit temperature (5) telecommunications of adopting inputs connection A/D converter (6), described A/D converter (6) electrically input connects single-chip microcomputer two (4), described internal standard Cn (10) is by electrically inputting connection signal sampling instrument two (11), described sample of signal instrument one (7) and sample of signal instrument two (11) electrically input connection signal switch (12), described signal switching (12) is electrically connected with sensor one (8) and sensor two (13) respectively, described zero passage monitor one (14) is connected phase demodulation (17) with zero passage monitor two (15) by electrically inputting.
2. one insulation oil price according to claim 1 undermines resistivity auto testing instrument, it is characterized in that: described sensor one (8) changes instrument one (9) by V/F and is connected with the first single-chip microcomputer (18).
3. one insulation oil price according to claim 1 undermines resistivity auto testing instrument, it is characterized in that: described sensor two (13) changes instrument two (16) by V/F and is connected with the first single-chip microcomputer (18).
4. one insulation oil price according to claim 1 undermines resistivity auto testing instrument, it is characterized in that: described phase demodulation (17) and single-chip microcomputer two (4) are by electrically input connection first single-chip microcomputer (18).
5. one insulation oil price according to claim 1 undermines resistivity auto testing instrument, it is characterized in that: described first single-chip microcomputer (18) is provided with electrically input connecting fluid crystal display screen.
6. one insulation oil price according to claim 1 undermines resistivity auto testing instrument, it is characterized in that: on described first single-chip microcomputer, (18) are provided with insulating protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364915.0U CN204832353U (en) | 2015-06-01 | 2015-06-01 | Insulating oil price is decreased and resistivity automatic testing appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364915.0U CN204832353U (en) | 2015-06-01 | 2015-06-01 | Insulating oil price is decreased and resistivity automatic testing appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832353U true CN204832353U (en) | 2015-12-02 |
Family
ID=54689938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520364915.0U Expired - Fee Related CN204832353U (en) | 2015-06-01 | 2015-06-01 | Insulating oil price is decreased and resistivity automatic testing appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204832353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914319A (en) * | 2015-06-01 | 2015-09-16 | 苏州市华安普电力工程有限公司 | Automatic tester for transformer oil dielectric loss and resistivity |
-
2015
- 2015-06-01 CN CN201520364915.0U patent/CN204832353U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914319A (en) * | 2015-06-01 | 2015-09-16 | 苏州市华安普电力工程有限公司 | Automatic tester for transformer oil dielectric loss and resistivity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103954847A (en) | Testing device for oiled paper compound insulation frequency domain dielectric spectrum and conductivity test | |
| CN102495341B (en) | Multifunctional cross-linked polyethylene (XLPE) insulating performance tester | |
| CN104502762B (en) | Bushing shell for transformer monitoring system data validity pick-up unit | |
| CN207832953U (en) | A kind of test device of oil for electric power industrial frequency withstand voltage | |
| CN103954872B (en) | Transformer temperature rise measuring device and method | |
| CN106840442A (en) | A kind of battery temperature measuring system and method | |
| CN104502665A (en) | Device and method for testing residual voltage | |
| CN204832353U (en) | Insulating oil price is decreased and resistivity automatic testing appearance | |
| CN203909166U (en) | A voltage transformer temperature rise measurement apparatus | |
| CN204515021U (en) | The high voltage control box of electric automobile is carried out to the device of insulating property detection | |
| CN103149923A (en) | Verifying device for oil surface temperature controller of power transformer | |
| CN104914319A (en) | Automatic tester for transformer oil dielectric loss and resistivity | |
| CN108254623A (en) | A kind of conducting wire high-frequency ac resistance measuring method and device | |
| CN202149919U (en) | High precision Loop resistance tester | |
| CN202548215U (en) | Intelligent contact resistance tester | |
| CN204882697U (en) | High -voltage live -line detection device | |
| CN209946050U (en) | Crude oil water content tester for distillation method | |
| CN202533548U (en) | High-voltage capacitive device on-line insulation detection device provided with battery for supplying power | |
| CN102331309A (en) | On-line monitoring system for high voltage handcart switch cabinet | |
| CN103743947B (en) | Linear capacitance type micro-wave power sensor based on MEMS structure | |
| CN202171617U (en) | Contact current tester | |
| CN203536846U (en) | Intelligent wireless temperature measurement control device for switch cabinet | |
| CN208520500U (en) | A kind of 10kV cable intermediate joint core temperature monitoring device based on temperature retrieval | |
| CN202188919U (en) | On-line monitoring system of high-voltage handcart switch cabinet | |
| CN201069390Y (en) | An electronic temperature display device and liquid heater using this device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |