CN206002647U - Automatic constant-temperature formula dielectric oil dielectrical strength tester - Google Patents

Automatic constant-temperature formula dielectric oil dielectrical strength tester Download PDF

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Publication number
CN206002647U
CN206002647U CN201620836476.3U CN201620836476U CN206002647U CN 206002647 U CN206002647 U CN 206002647U CN 201620836476 U CN201620836476 U CN 201620836476U CN 206002647 U CN206002647 U CN 206002647U
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CN
China
Prior art keywords
temperature
oil
insulation
module
strength tester
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Withdrawn - After Issue
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CN201620836476.3U
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Chinese (zh)
Inventor
张宝全
高文涛
于娟
刘利琴
刘慧娴
关睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
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Priority to CN201620836476.3U priority Critical patent/CN206002647U/en
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Publication of CN206002647U publication Critical patent/CN206002647U/en
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Abstract

This utility model is related to automatic constant-temperature formula dielectric oil dielectrical strength tester, it include for hold insulating oil case, be arranged on temperature control heating device and electric-control system below case;Case includes the glass drying oven for holding insulating oil and is arranged on glass drying oven bottom and the center concave station raising up;This utility model is rational in infrastructure, easy to use, with low cost, energy-saving, Based Intelligent Control, suitable large-scale promotion.

Description

Automatic constant-temperature formula dielectric oil dielectrical strength tester
Technical field
This utility model is related to automatic constant-temperature formula dielectric oil dielectrical strength tester.
Background technology
By the temperature of test agent to dielectric oil dielectrical strength test have a direct impact, too high or too low for temperature all can lead to try Test Lower result.Regulatory requirements test temperature should be between 15 ~ 20 DEG C, and existing testing equipment can not be adjusted to specimen temperature Or control, sample too high or too low for temperature be can be only put to interior is quiet for a long time to put so as to temperature near room temperature, lead to try Test result inaccurate, work efficiency is relatively low.
Utility model content
Technical problem to be solved in the utility model be provide a kind of reasonable in design, compact conformation and easy to use from Dynamic thermostatic type dielectric oil dielectrical strength tester.
For solving the above problems, technical solution adopted in the utility model is:
A kind of automatic constant-temperature formula dielectric oil dielectrical strength tester, including the case for holding insulating oil, setting Temperature control heating device below case and electric-control system;
Case includes the glass drying oven for holding insulating oil and is arranged on glass drying oven bottom and raises up Center concave station;
Temperature control heating device include for place glass drying oven the grease proofing housing of insulation, be arranged on insulation grease proofing housing below Base, insulate grease proofing housing in hollow anti-oil-insulation casket and be arranged on the heating coil in hollow anti-oil-insulation casket;
Described electric-control system includes heating module and super upper limit alarm module and control temperature unit;
Control temperature unit is used for sensing the temperature of insulating oil, and controls the logical of heating module and super upper limit alarm module respectively Disconnected;Heating module includes heating coil;It is provided with test electrode in glass drying oven;
It is provided with heating oil or air between glass drying oven and the grease proofing housing of insulation.
Improvement further as technique scheme:
It is provided with lid in sealing above glass drying oven.
The thermometer being provided with for measurement insulation oil temperature is covered on sealing;Control temperature unit includes presetting with thermometer The fixed ceiling temperature corresponding lower limit infrared photoelectric sensor lower limit temperature corresponding upper limit infrared light presetting with thermometer Electric transducer and processor;
The electric signal transmission sensing is given and is processed by lower limit infrared photoelectric sensor and upper limit infrared photoelectric sensor respectively Device, the outfan of processor is electrically connected with the input of heating module and super upper limit alarm module respectively.
Control temperature unit includes temperature detect switch (TDS) with bound, heating auxiliary reclay module and warning auxiliary reclay Module;
Temperature detect switch (TDS) with bound controls the control coil of warning auxiliary reclay module respectively and continues in the middle of heating The break-make of the control coil of electrical appliance module;The actuating coil of warning auxiliary reclay module controls the logical of super upper limit alarm module Disconnected;
The actuating coil of heating auxiliary reclay module controls the break-make of heating module.
Model XMTD-2201 of the described temperature detect switch (TDS) with bound.
As 20 DEG C, lower limit temperature is 15 DEG C to the ceiling temperature that control temperature unit sets.
Sealing covers and is provided with the stirring paddle that lodicule is located in glass drying oven, the shaft of stirring paddle is provided with Circular block plate, block plate is located at the top of stirring paddle.
It is provided with spiral exhaustor in the grease proofing housing that insulate, hollow anti-oil-insulation casket is located in the concave station of center, and spiral is arranged One end of trachea is connected with the bottom of hollow anti-oil-insulation casket, the other end of spiral exhaustor and atmosphere, grease proofing insulating It is provided with vertical groove on the medial wall of housing, be provided with one end with vertical groove upper end even in the upper port of the grease proofing housing that insulate Logical horizontal groove, spiral exhaustor stretches out the grease proofing housing of insulation along vertical groove and horizontal groove, spiral exhaustor Outer tube diameter is less than the groove depth of vertical groove and the groove depth of horizontal groove, and spiral exhaustor is direction with the outlet of atmosphere Towards lower outlet.
Case also includes the annular suspension platform being arranged on glass drying oven lateral wall, and annular suspension platform is suspended on insulation In the upper port of grease proofing hull outside wall.
The rubber blanket of the upper port in the grease proofing hull outside wall that insulate for the spiral-lock is provided with annular suspension platform;Under base Side is provided with cushion.
Have the beneficial effects that using produced by technique scheme:
This utility model passes through lid in sealing and reduces thermal loss, and annular suspension platform is taken conveniently, firm position, damping Pad, rubber blanket open bumper and absorbing shock, and center concave station makes the heat of heating coil be gathered in center, reduces heat waste, improves diarrhea of heat type With rate, reducing energy consumption, spiral exhaustor reduces heat waste it is ensured that hollow anti-oil-insulation casket is in normal pressure, improves service life of equipment, The grease proofing vessel safety that insulate is reliable, and thermal convection current, towards lower outlet, is reduced in direction, reduces heat waste, vertical groove and horizontal groove cloth Put rationally.Stirring paddle makes insulating oil uniformly heat, and block plate makes insulating oil bottom stirring upper surface steadily, and block plate prevents from insulating Oil significantly rocks, and prevents inclusion of air insulating oil, provides detection accuracy.
One is the equilibration time that can significantly shorten specimen temperature, improves work efficiency.If by sample and room temperature balance of nature, Typically require the time of repose of at least individual hour.By automatic constant-temperature formula dielectric oil dielectrical strength tester, only need-minute Reach test temperature.
Two is to improve result of the test accuracy.Controlled by accurate temperature program(me), by specimen temperature keep balance it is ensured that Meet regulatory requirements, it is entirely avoided the impact to result of the test too high or too low for temperature, the true insulation status reflecting oil product.
This utility model is rational in infrastructure, easy to use, with low cost, energy-saving, Based Intelligent Control, is suitable for pushing away on a large scale Extensively.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model case.
Fig. 3 is the structural representation of this utility model temperature control heating device.
Fig. 4 is circuit control block diagram of the present utility model.
Wherein:1st, insulating oil;2nd, case;3rd, temperature control heating device;4th, cover in sealing;5th, glass drying oven;6th, annular Hang platform;7th, rubber blanket;8th, center concave station;9th, stirring paddle;10th, block plate;11st, thermometer;12nd, lower limit infrared photoelectric sensor; 13rd, upper limit infrared photoelectric sensor;14th, base;15th, hollow anti-oil-insulation casket;16th, heating coil;17th, spiral exhaustor;18、 Insulate grease proofing housing;19th, vertical groove;20th, direction is towards lower outlet;21st, horizontal groove;22nd, cushion;23rd, processor; 24th, heating module;25th, super upper limit alarm module;26th, control temperature unit.
Specific embodiment
As Figure 1-4, this utility model include for hold insulating oil 1 case 2, be arranged on case 2 The temperature control heating device 3 of lower section and electric-control system;
Case 2 includes the glass drying oven 5 for holding insulating oil 1 and is arranged on glass drying oven 5 bottom and upwards Raised center concave station 8;
Temperature control heating device 3 include for place glass drying oven 5 the grease proofing housing of insulation 18, be arranged on insulation grease proofing housing 18 lower section base 14, insulate grease proofing housing 18 in hollow anti-oil-insulation casket 15 and be arranged on hollow anti-oil-insulation casket 15 Interior heating coil 16;Hollow anti-oil-insulation casket 15 is the good material of heat conductivity, such as metal or glass;In glass drying oven 5 It is provided with test electrode;
Electric-control system includes heating module 24 and super upper limit alarm module 25 and control temperature unit 26;
Control temperature unit 26 is used for sensing the temperature of insulating oil 1, and controls heating module 24 and super upper limit alarm module respectively 25 break-make;Heating module 24 includes heating coil 16;
It is provided with heating oil or air between glass drying oven 5 and the grease proofing housing 18 of insulation.
It is provided with above glass drying oven 5 in sealing and cover 4.
Thermometer 11 for measuring insulating oil 1 temperature is provided with lid 4 in sealing;Control temperature unit 26 includes and temperature Count 11 presetting ceiling temperature corresponding lower limit infrared photoelectric sensors 12 lower limit temperature presetting with thermometer 11 corresponding Upper limit infrared photoelectric sensor 13 and processor 23;
Lower limit infrared photoelectric sensor 12 and upper limit infrared photoelectric sensor 13 respectively by the electric signal transmission sensing to Processor 23, the outfan of processor 23 is electrically connected with the input of heating module 24 and super upper limit alarm module 25 respectively.
Control temperature unit 26 include temperature detect switch (TDS) with bound, heating auxiliary reclay module and report to the police in the middle of relay Device module;
Temperature detect switch (TDS) with bound controls the control coil of warning auxiliary reclay module respectively and continues in the middle of heating The break-make of the control coil of electrical appliance module;The actuating coil of warning auxiliary reclay module controls the logical of super upper limit alarm module 25 Disconnected;
The actuating coil of heating auxiliary reclay module controls the break-make of heating module 24.
Model XMTD-2201 of the temperature detect switch (TDS) with bound.
As 20 DEG C, lower limit temperature is 15 DEG C to the ceiling temperature that control temperature unit 26 sets.
Sealing is provided with, on lid 4, the stirring paddle 9 that lodicule is located in glass drying oven 5, the shaft of stirring paddle 9 sets It is equipped with the block plate 10 of circle, block plate 10 is located at the top of stirring paddle 9.
It is provided with spiral exhaustor 17 in the grease proofing housing 18 that insulate, hollow anti-oil-insulation casket 15 is located in center concave station 8, One end of spiral exhaustor 17 is connected with the bottom of hollow anti-oil-insulation casket 15, and the other end of spiral exhaustor 17 is with air even Logical, the medial wall insulating grease proofing housing 18 is provided with vertical groove 19, is provided with the upper port of the grease proofing housing 18 that insulate The horizontal groove 21 that one end is connected with vertical groove 19 upper end, spiral exhaustor 17 is along vertical groove 19 and horizontal groove 21 Stretch out the grease proofing housing 18 of insulation, the outer tube diameter of spiral exhaustor 17 is less than the groove depth of vertical groove 19 and horizontal groove 21 Groove depth, spiral exhaustor 17 is direction towards lower outlet 20 with the outlet of atmosphere.
Case 2 also includes the annular suspension platform 6 being arranged on glass drying oven 5 lateral wall, and annular suspension platform 6 is suspended on Insulate in the upper port of grease proofing housing 18 lateral wall.
The rubber blanket 7 of the upper port in grease proofing housing 18 lateral wall of insulating for the spiral-lock is provided with annular suspension platform 6;The bottom of at It is provided with cushion 22 below seat 14.
During using this utility model, the glass drying oven 5 being contained with insulating oil 1 is positioned in the grease proofing housing 18 of insulation, Insulate and fill it up with heating oil or air in grease proofing housing 18, connect power supply, heating coil 16 passes through hollow anti-oil-insulation casket 15 to exhausted Heating oil in the grease proofing housing of edge 18 or air heating, realize to insulating oil 1 Heat preservation, set when the temperature of insulating oil 1 exceedes When determining the upper limit or lower limit,(More than it is limited to example), thermometer 11 rises, and lower limit infrared photoelectric sensor 12 senses thermometer 11 After corresponding temperature, the signal of telecommunication is passed to processor 23, processor 23 controls heating module by controllable silicon or relay etc. 24 power failures, super upper limit alarm module 25 is reported to the police, and heats when less than lower limit, controlling heating module 24 break-make;The band upper limit or lower limit temperature Control device can also realize above-mentioned functions.In sealing, lid prevents hydrone to be mixed in insulating oil 1, affects certainty of measurement.
This utility model passes through lid 4 minimizing thermal loss in sealing, and annular suspension platform 6 is taken conveniently, firm position, damping Pad 22, rubber blanket 7 open bumper and absorbing shock, and center concave station 8 makes the heat of heating coil 16 be gathered in center, reduces heat waste, carries High heat utilization efficiency, reducing energy consumption, spiral exhaustor 17 reduces heat waste it is ensured that hollow anti-oil-insulation casket 15 is in normal pressure, and raising sets Standby service life, the grease proofing housing 18 that insulate is safe and reliable, and thermal convection current, towards lower outlet 20, is reduced in direction, reduces heat waste, vertically recessed Groove 19 and horizontal groove 21 connection and reasonable arrangement.Stirring paddle 9 makes insulating oil 1 uniformly heat, and block plate 10 makes insulating oil 1 bottom stir Steadily, block plate 10 prevents insulating oil 1 from significantly rocking to upper surface, prevents inclusion of air insulating oil 1, provides detection accuracy.
One is the equilibration time that can significantly shorten specimen temperature, improves work efficiency.Southern Hebei winter temperature generally- 10 DEG C about, if leaning on sample and room temperature(Air-conditioner temperature is at 20 DEG C)Balance of nature, it usually needs at least the standing of 10 hours when Between.By automatic constant-temperature formula dielectric oil dielectrical strength tester, 10-15 minute is only needed to can reach test temperature.
Two is to improve result of the test accuracy.Controlled by accurate temperature program(me), specimen temperature is kept balancing 20 DEG C it is ensured that meeting regulatory requirements, it is entirely avoided the impact to result of the test too high or too low for temperature, true reflection oil product exhausted Edge situation.
This utility model is rational in infrastructure, easy to use, with low cost, energy-saving, Based Intelligent Control, is suitable for pushing away on a large scale Extensively.
Finally it should be noted that:Above example only in order to the technical solution of the utility model to be described, is not intended to limit; Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that: It still can be modified to the technical scheme described in previous embodiment, or wherein some technical characteristics are equal to Replace;As those skilled in the art, multiple technical schemes of the present utility model are combined being obvious.And these Modification or replacement, do not make the essence of appropriate technical solution depart from spirit and the model of this utility model embodiment technical scheme Enclose.

Claims (10)

1. a kind of automatic constant-temperature formula dielectric oil dielectrical strength tester it is characterised in that:Including the appearance for holding insulating oil (1) Device device (2), it is arranged on temperature control heating device (3) and electric-control system below case (2);
Case (2) include the glass drying oven (5) for holding insulating oil (1) and be arranged on glass drying oven (5) bottom and The center concave station (8) raising up;
Temperature control heating device (3) include for place glass drying oven (5) the grease proofing housing of insulation (18), be arranged on insulation anti-oilcan Base (14) below body (18) and the hollow anti-oil-insulation casket (15) in the grease proofing housing (18) that insulate;In glass drying oven (5) it is provided with test electrode in;
Described electric-control system includes heating module (24), super upper limit alarm module (25) and control temperature unit (26);
Control temperature unit (26) is used for sensing the temperature of insulating oil (1), and controls heating module (24) and super upper limit alarm mould respectively The break-make of block (25);Heating module (24) includes heating coil (16);Heating coil (16) is arranged on hollow anti-oil-insulation casket (15) in;
Hollow anti-oil-insulation casket (15) is located in center concave station (8), sets between glass drying oven (5) and the grease proofing housing of insulation (18) It is equipped with heating oil or air.
2. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 1 it is characterised in that:In vierics It is provided with lid (4) in sealing above ware (5).
3. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 2 it is characterised in that:In sealing Thermometer (11) for measuring insulating oil (1) temperature is provided with lid (4);Control temperature unit (26) includes pre- with thermometer (11) The lower limit temperature that the ceiling temperature corresponding lower limit infrared photoelectric sensor (12) of setting is presetting with thermometer (11) is corresponding Upper limit infrared photoelectric sensor (13) and processor (23);
Lower limit infrared photoelectric sensor (12) and upper limit infrared photoelectric sensor (13) respectively by the electric signal transmission sensing to Processor (23), the outfan input with heating module (24) and super upper limit alarm module (25) respectively of processor (23) Electrical connection.
4. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 2 it is characterised in that:Control temperature unit (26) include the temperature detect switch (TDS) with bound, heat auxiliary reclay module and warning auxiliary reclay module;
Temperature detect switch (TDS) with bound controls control coil and the heating auxiliary reclay of warning auxiliary reclay module respectively The break-make of the control coil of module;The actuating coil of warning auxiliary reclay module controls the logical of super upper limit alarm module (25) Disconnected;
The actuating coil of heating auxiliary reclay module controls the break-make of heating module (24).
5. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 4 it is characterised in that:Described carry Model XMTD-2201 of the temperature detect switch (TDS) of bound.
6. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 2 it is characterised in that:Control temperature unit (26) as 20 DEG C, lower limit temperature is 15 DEG C to the ceiling temperature setting.
7. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 2 it is characterised in that:In sealing The stirring paddle (9) that lodicule is located in glass drying oven (5) is provided with lid (4), the shaft of stirring paddle (9) is provided with circle Block plate (10), block plate (10) be located at stirring paddle (9) top.
8. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 7 it is characterised in that:Anti- in insulation It is provided with spiral exhaustor (17), the bottom of one end of spiral exhaustor (17) and hollow anti-oil-insulation casket (15) in oilcan body (18) Portion's connection, the other end of spiral exhaustor (17) and atmosphere, are provided with perpendicular on the medial wall insulating grease proofing housing (18) Straight groove (19), is provided with, in the upper port of the grease proofing housing (18) that insulate, the level that one end connected with vertical groove (19) upper end recessed Groove (21), spiral exhaustor (17) stretches out the grease proofing housing of insulation (18), spiral shell along vertical groove (19) and horizontal groove (21) The outer tube diameter of rotation exhaustor (17) is less than the groove depth of vertical groove (19) and the groove depth of horizontal groove (21), spiral exhaustor (17) it is direction with the outlet of atmosphere towards lower outlet (20).
9. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 8 it is characterised in that:Case (2) also include the annular suspension platform (6) being arranged on glass drying oven (5) lateral wall, it is grease proofing that annular suspension platform (6) is suspended on insulation In the upper port of housing (18) lateral wall.
10. automatic constant-temperature formula dielectric oil dielectrical strength tester according to claim 9 it is characterised in that:Outstanding in annular The rubber blanket (7) of the upper port in insulation grease proofing housing (18) lateral wall for the spiral-lock is provided with hanging platform (6);Below base (14) It is provided with cushion (22).
CN201620836476.3U 2016-08-04 2016-08-04 Automatic constant-temperature formula dielectric oil dielectrical strength tester Withdrawn - After Issue CN206002647U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620836476.3U CN206002647U (en) 2016-08-04 2016-08-04 Automatic constant-temperature formula dielectric oil dielectrical strength tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620836476.3U CN206002647U (en) 2016-08-04 2016-08-04 Automatic constant-temperature formula dielectric oil dielectrical strength tester

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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106093740A (en) * 2016-08-04 2016-11-09 国家电网公司 Automatic constant-temperature formula dielectric oil dielectrical strength tester
CN108195722A (en) * 2017-11-21 2018-06-22 国家电网公司 Thermostat based on the detection of insulating oil interfacial tension
CN111855736A (en) * 2020-03-18 2020-10-30 同济大学 Electricity card performance test system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106093740A (en) * 2016-08-04 2016-11-09 国家电网公司 Automatic constant-temperature formula dielectric oil dielectrical strength tester
CN108195722A (en) * 2017-11-21 2018-06-22 国家电网公司 Thermostat based on the detection of insulating oil interfacial tension
CN111855736A (en) * 2020-03-18 2020-10-30 同济大学 Electricity card performance test system
CN111855736B (en) * 2020-03-18 2022-02-18 同济大学 Electricity card performance test system

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Granted publication date: 20170308

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