CN202814497U - Oil level detection and alarm device for vacuum oil injection of transformer - Google Patents
Oil level detection and alarm device for vacuum oil injection of transformer Download PDFInfo
- Publication number
- CN202814497U CN202814497U CN 201220472262 CN201220472262U CN202814497U CN 202814497 U CN202814497 U CN 202814497U CN 201220472262 CN201220472262 CN 201220472262 CN 201220472262 U CN201220472262 U CN 201220472262U CN 202814497 U CN202814497 U CN 202814497U
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- level detection
- oil level
- warning device
- transformer
- oil
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000002347 injection Methods 0.000 title abstract 5
- 239000007924 injection Substances 0.000 title abstract 5
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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Abstract
The utility model discloses an oil level detection and alarm device for vacuum oil injection of a transformer. The oil level detection and alarm device comprises a communicating pipe for connecting a bottom valve of the transformer with a top flange, and a valve, wherein the upper part of the communicating pipe is provided with an oil level detection and alarm device; and the oil level detection and alarm device is fixed through a fixing piece. Accurate control over vacuum oil injection of the transformer is realized under an unattended situation, and adjustment of the oil injection level can be realized according to specific situations; meanwhile, manpower guard and accurate control can be realized under the situation that instruments are damaged; and the labor intensity of operators is lowered, automatic oil injection is realized, and the requirements of modern automatic production are met.
Description
Technical field
The utility model relates to the transformer manufacturing process technology field, specifically a kind of transformer vacuum oil oil level detection warning device.
Background technology
Stipulate according to GB, during the above oiling transformer of 35kv, requirement vacuumizes, and according to electric pressure, different vacuum tightness requirements is set, when transformer vacuum oil, way in the past all is to judge the oil level position with hand, often have very large error when judging the position with feel, moreover judgement is forbidden and transformer oil is extracted out from the vacuum suction unit exactly, has so not only wasted oily resource but also contaminated environment.
The utility model content
The utility model technical issues that need to address provide a kind of transformer vacuum oil oil level detection warning device.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of transformer vacuum oil oil level detection warning device, the communicating pipe and the valve that comprise the transparent material of connection transformer bottom valve and top flange, described communicating pipe, top arranged the oil level detection warning device, and the oil level detection warning device is fixed by fixture.
Described oil level detection warning device comprises detection means, detection position adjusting gear, aobvious control instrument, and wherein aobvious control instrument is the intelligence instrument with cpu circuit, keyboard and display driver circuit, detection signal treatment circuit and output driving circuit.
Described detection means is Photoelectric Detection assembly or ultrasound examination assembly or capacitance detecting assembly.
Described detection position adjusting gear comprises stepper motor, rack-and-pinion, and its middle gear is installed on the step motor shaft, and tooth bar is fixed on the fixture, and parallel with communicating pipe.
Described output driving circuit is stepper motor driving circuit and relay output control circuit, and relay output control circuit is used for power supply and the alarm of control oiling machine.
Owing to adopted technique scheme, the technical progress that the utility model is obtained is: be implemented in accurate control transformer vacuum oil in the unattended situation, and can realize as the case may be the adjustment of oiling oil level, simultaneously, the utility model can also in the situation that instrument is damaged, be realized manually on duty, accurately control, the utility model has alleviated operator's labour intensity, realizes the robotization oiling, satisfies the demand that modern automation is produced.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the aobvious control of the utility model appliance circuit theory diagram.
Wherein, 1, valve, 2, communicating pipe, 3, detection means, 4, fixture, 5, flange.
Embodiment
Below in conjunction with embodiment the utility model is described in further details: as shown in Figure 1, the utility model comprises communicating pipe 2, valve 1 and the oil level detection warning device that is arranged on communicating pipe top, wherein end is connected to the flange that valve 3(valve is used for the connection transformer top by flange communicating pipe one), the valve that other end joint flange 5(flange is used for being connected with transformer connects), the oil level detection warning device is fixed between valve 1 and the transformer top flange by " L " type fixture 4.
Critical component in the utility model is the oil level detection warning device, described oil level detection warning device comprises detection means 3, detection position adjusting gear and aobvious control instrument, wherein aobvious control instrument is intelligence instrument, are connected connection with detection means by cable, its internal circuit mainly comprises cpu circuit, keyboard and display driver circuit, detection signal treatment circuit and output driving circuit, wherein output driving circuit is divided into two parts, a part is stepper motor driving circuit, another part is relay output control circuit, and relay output control circuit is used for power supply and the alarm of control oiling machine; Keyboard circuit in keyboard and the display driver circuit is used for parameter input (oil level parameter, control parameter etc.), and display driver circuit is used for the demonstration of various supplemental characteristics.The detection signal treatment circuit is for the treatment of the detection signal of detection means, and send into cpu circuit and process, cpu circuit is the core of this aobvious control instrument, judges for the treatment of keyboard data input, the output of demonstration data, detection signal and calculates, and the output of control output driving circuit.Because the technology that above various circuit are usually advised at electronic applications right and wrong, at this, utility model people no longer does too much one by one introduction.
Above-mentioned detection position adjusting gear comprises stepper motor, rack-and-pinion, and its middle gear is installed on the step motor shaft, and tooth bar is fixed on the fixture, and parallel with communicating pipe.Certainly rack-and-pinion also can adopt feed screw nut to replace.Whole fixture is fixed between the flange and valve at transformer top, perhaps is fixed on the transformer, again or be fixed on communicating pipe upper the metal part of joint flange (communicating pipe).Detection means is fixed on the stepper motor, guarantees that detection means can normally detect the oil level of communicating pipe.
In the present embodiment, communicating pipe is adopted the pipeline of transparent material.Detection means adopts the Photoelectric Detection assembly, and the Photoelectric Detection assembly comprises transmitter and receiver.
This enforcement is that with the difference of embodiment 1 detection means adopts the ultrasound examination assembly, and the ultrasound examination assembly comprises a ultrasonic transmitter spare and a ultrasonic receiver spare.
This enforcement is that with the difference of embodiment 1 detection means adopts the capacitance detecting assembly.
The utility model in addition to the implementation; detection means also may adopt other device; in addition, some functions of aobvious control instrument and detection position adjusting gear also can be according to specific circumstances deleted with client's specific requirement, are not all broken away from protection domain of the present utility model.
Claims (5)
1. transformer vacuum oil oil level detection warning device, it is characterized in that: the communicating pipe (2) and the valve (1) that comprise the transparent material of connection transformer bottom valve and top flange, described communicating pipe, top arranged the oil level detection warning device, and the oil level detection warning device is fixing by fixture (4).
2. a kind of transformer vacuum oil oil level detection warning device according to claim 1, it is characterized in that described oil level detection warning device comprises detection means (3), detection position adjusting gear, aobvious control instrument, wherein aobvious control instrument is the intelligence instrument with cpu circuit, keyboard and display driver circuit, detection signal treatment circuit and output driving circuit.
3. a kind of transformer vacuum oil oil level detection warning device according to claim 2 is characterized in that described detection means is Photoelectric Detection assembly or ultrasound examination assembly or capacitance detecting assembly.
4. a kind of transformer vacuum oil oil level detection warning device according to claim 3, it is characterized in that described detection position adjusting gear comprises stepper motor, rack-and-pinion, its middle gear is installed on the step motor shaft, and tooth bar is fixed on the fixture, and parallel with communicating pipe.
5. a kind of transformer vacuum oil oil level detection warning device according to claim 4, it is characterized in that described output driving circuit is stepper motor driving circuit and relay output control circuit, relay output control circuit is used for power supply and the alarm of control oiling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472262 CN202814497U (en) | 2012-09-17 | 2012-09-17 | Oil level detection and alarm device for vacuum oil injection of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472262 CN202814497U (en) | 2012-09-17 | 2012-09-17 | Oil level detection and alarm device for vacuum oil injection of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814497U true CN202814497U (en) | 2013-03-20 |
Family
ID=47873357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220472262 Expired - Lifetime CN202814497U (en) | 2012-09-17 | 2012-09-17 | Oil level detection and alarm device for vacuum oil injection of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853880A (en) * | 2012-09-17 | 2013-01-02 | 国家电网公司 | Oil level detection alarming device during vacuum oil injection of transformer |
| CN111811615A (en) * | 2020-06-19 | 2020-10-23 | 上海电机学院 | Distribution transformer oil level monitoring system based on photoelectric detection |
-
2012
- 2012-09-17 CN CN 201220472262 patent/CN202814497U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853880A (en) * | 2012-09-17 | 2013-01-02 | 国家电网公司 | Oil level detection alarming device during vacuum oil injection of transformer |
| CN102853880B (en) * | 2012-09-17 | 2014-07-09 | 国家电网公司 | Oil level detection alarming device during vacuum oil injection of transformer |
| CN111811615A (en) * | 2020-06-19 | 2020-10-23 | 上海电机学院 | Distribution transformer oil level monitoring system based on photoelectric detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |