CN220289765U - Automatic sampling and discharging cleaning device for insulating oil dielectric loss test - Google Patents
Automatic sampling and discharging cleaning device for insulating oil dielectric loss test Download PDFInfo
- Publication number
- CN220289765U CN220289765U CN202321515117.4U CN202321515117U CN220289765U CN 220289765 U CN220289765 U CN 220289765U CN 202321515117 U CN202321515117 U CN 202321515117U CN 220289765 U CN220289765 U CN 220289765U
- Authority
- CN
- China
- Prior art keywords
- oil
- cup
- insulating
- injection
- liquid level
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000007599 discharging Methods 0.000 title claims description 6
- 238000005070 sampling Methods 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 16
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003922 charged colloid Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses an automatic sample injection and oil discharge cleaning device for an insulating oil dielectric loss test, which comprises an oil cup, an oil injection cup, a liquid level observation cup, an electromagnetic valve, a controller and a touch screen, wherein the oil injection cup and the liquid level observation cup are arranged on the top surface of the oil cup and are respectively communicated with the oil cup, an oil drain port is arranged on the bottom surface of the oil cup, and the oil drain port is connected with the electromagnetic valve. An operator can manually store insulating oil in the oil injection cup, and the insulating oil in the oil injection cup is introduced into the oil injection cup, so that automatic sample injection of the insulating oil is realized. Before testing, the oil cup needs to be cleaned for many times, and the discharge of the oil sample is controlled by controlling the on-off of the electromagnetic valve, so that the automatic cleaning and the automatic oil discharge of the oil cup are realized. The utility model can realize multiple sample injection and multiple tests by pouring the sample into the oil injection cup once. Through the operation touch screen can, whole test process personnel do not contact the oil cup, satisfy security and the work efficiency that continuous test required.
Description
Technical Field
The utility model relates to the field of insulating oil dielectric loss test, in particular to an automatic sampling and oil discharge cleaning device for an insulating oil dielectric loss test.
Background
Insulating oil has two main functions, the first being insulation to withstand high voltages inside electrical equipment; the second is a heat transfer medium to dissipate heat generated within the transformer windings. Therefore, the insulating oil must maintain good electrical properties while resisting thermal degradation and oxidation. The energy loss of insulating oil caused by the action of an electric field, which is called the dielectric loss of oil, is generally measured under a specified condition, the dielectric loss tangent of insulating oil can be sensitively reflected by the aging degree of insulating oil under the action of factors such as an electric field, oxidization, sunlight, high temperature and the like, and phenomena such as gradual increase of generated polar impurities and charged colloid substances when moisture or other impurities are mixed in the insulating oil can be sensitively found. Therefore, the dielectric loss test of the insulating oil is an important electrical characteristic test, is one of main control indexes of the quality of the insulating oil, and can reflect the quality of the insulating oil of equipment, the aging and pollution degree of the insulating oil under the actions of an electric field, oxidation, high temperature and the like and the operation condition of the electrical equipment.
The dielectric loss factor test method of the insulating oil at the present stage mainly comprises the steps of matching a special oil cup with a high-voltage Western-style bridge to measure dielectric loss of the insulating oil at the power frequency voltage of 90 ℃, and pouring the insulating oil into the oil cup to heat and measure. Generally, a plurality of oil samples are required to be taken out for cleaning before and after the test of the prior instrument, and because the test temperature is higher, the oil cup is made of metal, and the thermal conductivity is good, so that the temperature of the oil cup is very high, the difficulty of taking out the oil cup by bare hands is high, the oil cup is required to be cleaned after the oil sample is poured out by means of a heat insulation tool or after isothermal cooling, then the next oil sample can be tested, the electrode in the oil cup is required to be taken out when the oil sample is poured out, time and labor are wasted, the oil cup is easy to shake when the oil cup is taken out, insulating oil overflows, and the problems of hand scalding, insulating oil pollution to a table top and the like are caused.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an automatic sample injection and oil discharge cleaning device for an insulating oil dielectric loss test, which can realize the functions of automatic sample injection, automatic oil discharge and automatic cleaning of the insulating oil dielectric loss test.
The technical scheme of the utility model is as follows: an insulating oil dielectric loss test autosampler oil discharge cleaning device, the device includes: the device comprises an oil cup, an oil filling cup, a liquid level observation cup, an electromagnetic valve, a controller and a touch screen, wherein a high-pressure measuring port and an oil temperature measuring port are arranged on the top surface of the oil cup;
the oil filling cup and the liquid level observation cup are arranged on the top surface of the oil filling cup and are respectively communicated with the oil filling cup, the top of the oil filling cup is in an opening shape and is used for filling insulating oil, and the oil storage capacity of the oil filling cup ensures that oil required by multiple experiments of the oil filling cup can be supplied; an oil drain port is arranged on the bottom surface of the oil cup and is connected with an electromagnetic valve for controlling whether the oil cup is drained by the electromagnetic valve; the electromagnetic valve is electrically connected with the controller, the controller controls the electromagnetic valve to act, and the touch screen is electrically connected with the controller.
Further, the oil cup comprises a cup body and a locking cover covered with the cup body, an upper insulating block, an upper connecting ring, a lower insulating block, an inner electrode and an outer electrode are arranged in the cup body, the inner electrode is connected to the upper portion of the outer electrode, the lower insulating block is connected to the upper portion of the inner electrode, the lower connecting ring is connected with the upper connecting ring, the bottom of the lower connecting ring is connected with the lower insulating block, the top of the upper connecting ring is connected with the upper insulating block, and a gap is reserved between the cup body and the inner electrode as well as between the cup body and the outer electrode.
Further, the interfaces of the oil filling cup, the liquid level observation cup and the oil cup are coated with sealant.
Further, the oil filling cup has a structure with a large upper opening and a small lower opening.
Further, the liquid level observation cup is transparent, and the height of the liquid level observation cup is not lower than that of the oil filling cup.
Further, an indication line is carved on the liquid level observation cup.
By adopting the scheme, an operator can manually store the insulating oil in the oil injection cup, and the insulating oil in the oil injection cup is introduced into the oil injection cup, so that automatic sample injection of the insulating oil is realized. Before testing, the oil cup needs to be cleaned for many times, and the discharge of the oil sample is controlled by controlling the on-off of the electromagnetic valve, so that the automatic cleaning and the automatic oil discharge of the oil cup are realized. The utility model can realize multiple sample injection and multiple tests by pouring the sample into the oil injection cup once. Through the operation touch screen can, whole test process personnel do not contact the oil cup, satisfy security and the work efficiency that continuous test required.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a disassembled view of the present utility model.
Reference numerals in the drawings:
the device comprises an oil cup 1, an oil filling cup 2, a liquid level observation cup 3, a high-pressure measuring port 4, an oil temperature measuring port 5, an oil drain port 10, a locking cover 11, an upper insulating block 12, an upper connecting ring 13, a lower connecting ring 14, a lower insulating block 15, an inner electrode 16, an outer electrode 17 and an indicating line 31.
Description of the embodiments
The utility model will be described in detail below with reference to the drawings and the specific embodiments.
Referring to fig. 1, the automatic sample injection and oil discharge cleaning device for insulation oil dielectric loss test disclosed by the utility model comprises: the device comprises an oil cup 1, an oil filling cup 2, a liquid level observation cup 3, an electromagnetic valve, a controller and a touch screen.
The oil filling cup 2 is arranged on the top surface of the oil filling cup 1, the oil filling cup 2 is communicated with the oil filling cup 1, and oil in the oil filling cup 2 can smoothly flow into the oil filling cup 1 under the action of gravity. The top of the oil filling cup 2 is opened, and a test person can manually pour an insulating oil sample into the oil filling cup 2. The oil filling cup 2 has a capacity large enough to store a certain amount of insulating oil, and a quantity of oil stored is large enough to be used for cleaning the oil cup 1 a plurality of times and to perform a plurality of insulation tests.
Preferably, the oil filling cup 2 has a structure with a large upper opening and a small lower opening, so that oil can be conveniently poured. The joint of the oil filling cup 2 and the oil cup 1 is coated with sealant, so that the tightness is ensured.
The liquid level observation cup 3 is arranged on the top surface of the oil cup 1 and is communicated with the oil cup 1. The liquid level observation cup 3 is transparent, and is carved with an indication line 31. In the insulation test, the oil cup 1 is guaranteed to be filled, so that the liquid level observation cup 3 is arranged to observe whether the oil in the oil cup 1 is filled. When the oil in the oil cup 1 is filled, the oil can overflow upwards into the liquid level observation cup 3, and the oil in the liquid level observation cup 3 indicates that the oil in the oil cup 1 is filled, and the indication line 31 is the lowest position which is needed to be reached by the oil in the liquid level observation cup 3.
The height of the liquid level observation cup 3 is not lower than that of the oil filling cup 2, so that oil in the oil filling cup 2 cannot overflow from the liquid level observation cup 3 even if the oil is more.
The bottom surface of oil cup 1 is equipped with oil drain port 10, and oil drain port 10 department connects the solenoid valve, solenoid valve and controller electric connection, and the action of solenoid valve is controlled to the controller, whether oil extraction is controlled through the break-make of control solenoid valve. The touch screen is electrically connected with the controller and can be operated on the touch screen to control the electromagnetic valve so as to control whether oil is discharged or not.
The top surface of the oil cup 1 is provided with a high-pressure measuring port 4 and an oil temperature measuring port 5, and high-pressure measurement and oil temperature measurement are required during the test.
Referring to fig. 2, the oil cup 1 includes a cup body and a locking cover 11 covered with the cup body, wherein the locking cover 11 is made of metal. An upper insulating block 12, an upper coupling ring 13, a lower coupling ring 14, a lower insulating block 15, an inner electrode 16 and an outer electrode 17 are arranged in the cup body. The inner electrode 16 is connected to the upper portion of the outer electrode 17, and the lower insulating block 15 is connected to the upper portion of the inner electrode 16. The bottom of the lower coupling ring 14 is connected with the lower insulating block 15 after the lower coupling ring 14 is connected with the upper coupling ring 13, and the top of the upper coupling ring 13 is connected with the upper insulating block 12. A gap is formed between the cup body and the inner electrode 16 and between the cup body and the outer electrode 17, and insulating oil flows into the gap during testing.
The operator pours insulating oil into the oil filling cup in advance, and the insulating oil in the oil filling cup flows into the oil filling cup, so that automatic injection of the insulating oil is realized. Before formally testing, the oil cup needs to be cleaned for many times, and the discharge of the oil sample is controlled by controlling the on-off of the electromagnetic valve, so that the automatic cleaning and the automatic oil discharge of the oil cup are realized.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. Insulating oil dielectric loss test autoinjection oil extraction belt cleaning device, its characterized in that, this device includes: the device comprises an oil cup, an oil filling cup, a liquid level observation cup, an electromagnetic valve, a controller and a touch screen, wherein a high-pressure measuring port and an oil temperature measuring port are arranged on the top surface of the oil cup;
the oil filling cup and the liquid level observation cup are arranged on the top surface of the oil filling cup and are respectively communicated with the oil filling cup, the top of the oil filling cup is in an opening shape and is used for filling insulating oil, and the oil storage capacity of the oil filling cup ensures that oil required by multiple experiments of the oil filling cup can be supplied; an oil drain port is arranged on the bottom surface of the oil cup and is connected with an electromagnetic valve for controlling whether the oil cup is drained by the electromagnetic valve; the electromagnetic valve is electrically connected with the controller, the controller controls the electromagnetic valve to act, and the touch screen is electrically connected with the controller.
2. The automatic sample injection and oil discharge cleaning device for the insulating oil dielectric loss test according to claim 1, wherein the oil cup comprises a cup body and a locking cover covered with the cup body, an upper insulating block, an upper connecting ring, a lower insulating block, an inner electrode and an outer electrode are arranged in the cup body, the inner electrode is connected to the upper part of the outer electrode, the lower insulating block is connected to the upper part of the inner electrode, the lower connecting ring is connected with the upper connecting ring, the bottom of the lower connecting ring is connected with the lower insulating block, the top of the upper connecting ring is connected with the upper insulating block, and a gap is reserved between the cup body and the inner electrode and between the cup body and the outer electrode.
3. The device for automatically injecting and discharging oil for the insulating oil dielectric loss test according to claim 1, wherein the interfaces of the oil injection cup, the liquid level observation cup and the oil cup are coated with sealant.
4. The device for automatically injecting and discharging oil for insulation oil dielectric loss test according to claim 1, wherein the oil injection cup has a structure with a large upper opening and a small lower opening.
5. The insulating oil dielectric loss test automatic sample feeding and oil discharging cleaning device according to claim 1, wherein the liquid level observation cup is transparent, and the height of the liquid level observation cup is not lower than that of the oil injection cup.
6. The insulating oil dielectric loss test automatic sample feeding and oil discharging cleaning device according to claim 5, wherein an indication line is carved on the liquid level observation cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515117.4U CN220289765U (en) | 2023-06-14 | 2023-06-14 | Automatic sampling and discharging cleaning device for insulating oil dielectric loss test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515117.4U CN220289765U (en) | 2023-06-14 | 2023-06-14 | Automatic sampling and discharging cleaning device for insulating oil dielectric loss test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289765U true CN220289765U (en) | 2024-01-02 |
Family
ID=89329045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321515117.4U Active CN220289765U (en) | 2023-06-14 | 2023-06-14 | Automatic sampling and discharging cleaning device for insulating oil dielectric loss test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289765U (en) |
-
2023
- 2023-06-14 CN CN202321515117.4U patent/CN220289765U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101408578B (en) | Multiple factors accelerated aging test apparatus and method for oil paper insulation of transformer | |
| CN108445309B (en) | Basin-type insulator surface charge measuring device and method under temperature gradient field | |
| CN104133165B (en) | Transformer oil paper insulation test system | |
| CN109799444B (en) | Insulating medium fault simulation device for heat-electricity combination | |
| CN102628819B (en) | Test method for evaluating oxidation stability of transformer oil under high-voltage alternating current or direct current field | |
| CN220289765U (en) | Automatic sampling and discharging cleaning device for insulating oil dielectric loss test | |
| CN201075092Y (en) | Device for measuring dielectric loss and controlling temperature of insulating oil | |
| CN210323202U (en) | Oil dielectric strength tester | |
| CN104181208A (en) | Battery paste testing device | |
| JPS6315537B2 (en) | ||
| CN204065330U (en) | Transformer oil paper insulation test macro | |
| CN112414737B (en) | Multifunctional overflow test device | |
| CN204988836U (en) | Mould ware is irritated to experimental accuse temperature of three big indexs of pitch | |
| CN209624208U (en) | A kind of device being used to prepare electrochemical corrosion test sample | |
| CN212932456U (en) | Convenient cement of slagging-off boils and boils case | |
| CN211292448U (en) | A test device for gathering materials adhesiveness test | |
| CN212843845U (en) | Device for measuring liquid level in closed container and material testing closed device | |
| CN219511664U (en) | Handheld asphalt dosage metering device with heating function | |
| CN206662219U (en) | A kind of nodulizer adding apparatus | |
| CN220886142U (en) | Auxiliary charging device for asphalt mixture | |
| CN213811784U (en) | Temperature control water cooling plant of steel sample | |
| CN110632281A (en) | Portable array type oil-water analysis device and method | |
| CN105116225A (en) | Full-automatic excised skin percutaneous resistance measuring device | |
| CN109632457A (en) | A kind of device and method being used to prepare electrochemical corrosion test sample | |
| CN216485343U (en) | Voltage resistance tester for insulating gloves of insulating shoes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |