CN208548217U - The wet type transformer and mounting structure of intelligent automatic repairing - Google Patents

Abstract

The utility model provides the wet type transformer and mounting structure of intelligent automatic repairing, it includes transformer mounting rod, distribution cabinet is equipped with by lower layer's cross arm support in the lower layer of transformer mounting rod, transformer body is equipped with by middle layer cross arm support in the middle layer of transformer mounting rod, low-tension bushing and bushing are provided at the top of transformer body, the bushing is connected by high voltage transmission line with porcelain vase, the low-tension bushing is connected by low voltage transmission line with distribution cabinet, and the porcelain vase is fixedly mounted on the cross-arm of upper layer by installation of porcelain insulator frame；Conservator is installed in the bottom of transformer body, the conservator is connected with automatic fuel supplementing system.Automatically transformer oil level can be monitored by this intelligence repairing transformer, when the liquid level of hydraulic oil is too low, automatically repairing operation can be carried out starting oil-supplementing system to it, and then ensure that its normal liquid level, ensure that the safety and reliability of its operation.

Description

The wet type transformer and mounting structure of intelligent automatic repairing

Technical field

The utility model relates to field transformers, wet type transformer and installation knot more particularly to intelligent automatic repairing Structure.

Background technique

Oil immersion wet type transformer during the work time mainly effectively radiates to it by transformer oil, enhances it absolutely Edge plays good antisepsis simultaneously, but since temperature rise variation can be generated in the operation of the transformer, and then cause in it There is the problems such as certain oil leak, permeability and oil level are too low in the oil liquid in portion, it is necessary to repairing is timely carried out, if processing is not It will cause the accelerated ageing of transformer in time, and then seriously affect its service life.

Currently, common repairing mode carries out regularly repairing to it mainly by artificial mode, it is also necessary to periodically right It carries out inspection, and above-mentioned operation mode working efficiency is low, and the labor intensity of operating personnel is high, and in oil replenishing process, It needs to shut down, influences its normal work.

Utility model content

In order to solve the above technical problems, the utility model provides the wet type transformer and installation knot of intelligent automatic repairing Structure can automatically be monitored transformer oil level by this intelligence repairing transformer, when the liquid level of hydraulic oil is too low, Automatically repairing operation can be carried out starting oil-supplementing system to it, and then ensure that its normal liquid level, ensure that the peace of its operation Full property and reliability, while also effectively reducing the labor intensity of operating personnel.

In order to realize above-mentioned technical characteristic, purpose of the utility model is realized as follows: intelligent automatic repairing Wet type transformer and mounting structure, it includes transformer mounting rod, passes through lower layer's cross arm support in the lower layer of transformer mounting rod Distribution cabinet is installed, transformer body is equipped with by middle layer cross arm support in the middle layer of transformer mounting rod, in transformer sheet Low-tension bushing and bushing are provided at the top of body, the bushing is connected by high voltage transmission line with porcelain vase, described low Pressing sleeve pipe is connected by low voltage transmission line with distribution cabinet, and the porcelain vase is fixedly mounted on the cross-arm of upper layer by installation of porcelain insulator frame； Conservator is installed in the bottom of transformer body, the conservator is connected with automatic fuel supplementing system.

The bottom of the transformer mounting rod is embedded on concrete pedestal by pre-buried pedestal；Lower layer's cross-arm, in Layer cross-arm and upper layer cross-arm are all fixedly mounted on transformer mounting rod by the limit clip of multiple and different height.

Radiatinig corrugated piece is uniformly installed on the cabinet exterior of the transformer body.

The automatic fuel supplementing system includes fuel reserve tank, and the fuel reserve tank is internally provided with oil pump, the oil inlet of the oil pump Mouth is connected with the filtering oil inlet pipe being provided with inside fuel reserve tank, and the oil outlet of the oil pump is connected with flowline, described fuel-displaced The other end of pipe is connected with the inlet valve of conservator, and the oil pump is connected with the motor for being mounted on fuel reserve tank top, on flowline It is sequentially installed with overflow valve, electronic flowmeter and first pressure sensor；Liquid level sensor and are installed inside the conservator Two pressure sensors.

The motor uses variable-frequency motor, and the variable-frequency motor is connected by frequency converter with the signal output end of controller, The liquid level sensor and second pressure sensor are connected with the signal input part of controller, the electronic flowmeter and the first pressure Force snesor is connected with the signal input part of controller.

The transformer mounting rod uses concurrent.

The utility model has the advantages that:

1, by using the wet type transformer and mounting structure of above-mentioned intelligent automatic repairing, it can be used in wet type transformation The automatic repairing operation of device, in the operation of the transformer, since the heat dissipation of transformer will lead to oil liquid temperature variation, due to temperature The variation of degree, it is possible to the leakage or leakage for leading to oil liquid, and then automatic fuel supplementing system is installed on the conservator in transformer When oil liquid is reduced, repairing operation automatically is carried out to it.

2, the liquid level that conservator internal oil is able to detect by being mounted on the liquid level sensor inside conservator changes, and then will Information passes to controller, is compared by controller and standard liquid level, if current level is lower than standard liquid level, controller Frequency converter will automatically be started, then variable-frequency motor is started by frequency converter, by variable-frequency motor drive oil pump, and then by oil pump into Row carries out automatic repairing to conservator.

3, passed through in Fuel injection system by pressure and flow that the variable-frequency motor can easily control fuel feeding Electronic flowmeter constantly monitors the flow of oil liquid, and when its flow reaches scheduled adding amount, controller will automatically control change Frequency motor stops continuing fuel feeding, and then realizes the purpose for being accurately controlled fuel delivery.

4, the pressure inside conservator can be monitored by the second pressure sensor, passes through first pressure at the same time Sensor can monitor the charge oil pressure of flowline, both by pressure signal transmission to controller, by controller to pressure difference It is monitored, when pressure difference is larger, controller will automatically adjust variable-frequency motor, pass through variable-frequency motor control oil pump, Jin Ertong Cross oil pump control charge oil pressure so that the pressure difference of the two be maintained at when in the range of, prevent from entering conservator mistake in oil liquid Cheng Zhonghui generates larger Oil shocking, and then generates bubble or foam, influences oil quality.

5, it by using above-mentioned transformer mounting structure, can be used in the integral installation of transformer, and then ensure that it The stability of integral installation structure.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is the utility model main view.

Fig. 2 is the utility model left view.

Fig. 3 is the utility model oil-supplementing system local structural graph.

In figure: pre-buried pedestal 1, transformer mounting rod 2, lower layer's cross-arm 3, distribution cabinet 4, low voltage transmission line 5, limit clip 6, Middle layer cross-arm 7, transformer body 8, radiatinig corrugated piece 9, low-tension bushing 10, bushing 11, high voltage transmission line 12, upper layer cross-arm 13, installation of porcelain insulator frame 14, porcelain vase 15, flowline 16, conservator 17, liquid level sensor 18, second pressure sensor 19, controller 20, first pressure sensor 21, frequency converter 22, electronic flowmeter 23, variable-frequency motor 24, fuel reserve tank 25, overflow valve 26, oil pump 27, oil outlet 28.

Specific embodiment

The embodiments of the present invention is described further with reference to the accompanying drawing.

Referring to Fig. 1-3, the wet type transformer and mounting structure of intelligent automatic repairing, it includes transformer mounting rod 2, The lower layer of transformer mounting rod 2 is equipped with distribution cabinet 4 by the support of lower layer's cross-arm 3, in the middle layer of transformer mounting rod 2 passes through The layer support of cross-arm 7 is equipped with transformer body 8, and the top of transformer body 8 is provided with low-tension bushing 10 and bushing 11, The bushing 11 is connected by high voltage transmission line 12 with porcelain vase 15, and the low-tension bushing 10 passes through low voltage transmission line 5 and matches Line cabinet 4 is connected, and the porcelain vase 15 is fixedly mounted on upper layer cross-arm 13 by installation of porcelain insulator frame 14；At the bottom of transformer body 8 Portion is equipped with conservator 17, and the conservator 17 is connected with automatic fuel supplementing system.It can be given by using above-mentioned automatic fuel supplementing system Wet type transformer carries out automatic repairing, and then ensure that reliability of operation and safety, by using above-mentioned transformer And mounting structure ensure that the integral installation stability of transformer.

Further, the bottom of the transformer mounting rod 2 is embedded on concrete pedestal by pre-buried pedestal 1；It is described Lower layer's cross-arm 3, middle layer cross-arm 7 and upper layer cross-arm 13 are all fixedly mounted on transformer by the limit clip 6 of multiple and different height On mounting rod 2.Its installation process is simplified by using above-mentioned clip mounting structure, ensure that mounting structure intensity.

Further, radiatinig corrugated piece 9 is uniformly installed on the cabinet exterior of the transformer body 8.By described Radiatinig corrugated piece 9 can play good heat spreading function, and then radiate to oil liquid.

Further, the automatic fuel supplementing system includes fuel reserve tank 25, and the fuel reserve tank 25 is internally provided with oil pump 27, The oil inlet of the oil pump 27 is connected with the filtering oil inlet pipe 29 being provided with inside fuel reserve tank 25, the oil outlet of the oil pump 27 28 are connected with flowline 16, and the other end of the flowline 16 is connected with the inlet valve of conservator 17, the oil pump 27 be mounted on The motor 24 at 25 top of fuel reserve tank is connected, and overflow valve 26, electronic flowmeter 23 and the first pressure are sequentially installed on flowline 16 Force snesor 21；Liquid level sensor 18 and second pressure sensor 19 are installed inside the conservator 17.By using above-mentioned Automatic fuel supplementing system in the course of work, drives oil pump 27 by motor 24, carries out effective pump oil by oil pump 27, and then right Conservator 17 carries out fuel feeding, in the course of work, is able to carry out fuel gauging by the electronic flowmeter 23, and then can be accurate Control fuel delivery, safety overflow can be played the role of by the overflow valve 26.

Further, the motor 24 uses variable-frequency motor, and the variable-frequency motor 24 passes through frequency converter 22 and controller 20 Signal output end be connected, the signal input part phase of the liquid level sensor 18 and second pressure sensor 19 and controller 20 Even, the electronic flowmeter 23 and first pressure sensor 21 are connected with the signal input part of controller 20.Pass through the change Frequency motor 24 is able to carry out frequency control, and then is accurately controlled charge oil pressure and fuel supply flow rate, by flow control, reaches essence The really purpose of control oil-control amount.

Further, the controller uses PLC controller or singlechip controller.

The working process and principle of the use of the new type:

By using the wet type transformer and mounting structure of above-mentioned intelligent automatic repairing, firstly, to transformer body 8 It is installed, is installed on middle layer cross-arm 7, and other components are installed, by automatic fuel supplementing system and conservator 17 It is connected；

Then, the liquid level that 17 internal oil of conservator is detected by being mounted on the liquid level sensor 18 inside conservator 17 changes, And then controller 20 is passed information to, it is compared by controller 20 and standard liquid level, if current level is lower than titer When position, controller 20 will automatically start frequency converter 22, then start variable-frequency motor 24 by frequency converter 22, be driven by variable-frequency motor 24 Dynamic oil pump 27, and then carry out carrying out automatic repairing to conservator 17 by oil pump 27；

Wherein, in carrying out oil replenishing process, the pressure inside conservator is monitored by second pressure sensor 19, at the same time The charge oil pressure of flowline 16 is monitored by first pressure sensor 21, both leads to pressure signal transmission to controller 20 It crosses controller 20 to be monitored pressure difference, when pressure difference is larger, controller 20 will automatically adjust variable-frequency motor 24, pass through frequency conversion 24 control oil pump 27 of motor, and then charge oil pressure is controlled by oil pump 27, so that the pressure difference of the two is maintained at range when It is interior, finally realize its automatic repairing operation.

The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model Protection scope within.

Claims (6)

1. the wet type transformer and mounting structure of intelligent automatic repairing, it is characterised in that: it includes transformer mounting rod (2), Distribution cabinet (4) are equipped with by lower layer's cross-arm (3) support in the lower layer of transformer mounting rod (2), in transformer mounting rod (2) Middle layer is equipped with transformer body (8) by middle layer cross-arm (7) support, is provided with low pressure set at the top of transformer body (8) (10) and bushing (11) are managed, the bushing (11) is connected by high voltage transmission line (12) with porcelain vase (15), described low Pressing sleeve pipe (10) is connected by low voltage transmission line (5) with distribution cabinet (4), and the porcelain vase (15) is fixed by installation of porcelain insulator frame (14) It is mounted on upper layer cross-arm (13)；It is equipped with conservator (17) in the bottom of transformer body (8), the conservator (17) and automatic benefit Oil system is connected.

2. the wet type transformer and mounting structure of intelligent automatic repairing according to claim 1, it is characterised in that: the change The bottom of depressor mounting rod (2) is embedded on concrete pedestal by pre-buried pedestal (1)；Lower layer's cross-arm (3), middle layer cross-arm (7) it is all fixedly mounted on transformer mounting rod (2) by the limit clip (6) of multiple and different height with upper layer cross-arm (13).

3. the wet type transformer and mounting structure of intelligent automatic repairing according to claim 1, it is characterised in that: the change Radiatinig corrugated piece (9) are uniformly installed on the cabinet exterior of depressor ontology (8).

4. the wet type transformer and mounting structure of intelligent automatic repairing according to claim 1, it is characterised in that: it is described from Dynamic oil-supplementing system includes fuel reserve tank (25), and the fuel reserve tank (25) is internally provided with oil pump (27), the oil pump (27) into Hydraulic fluid port is connected with being provided in the internal filtering oil inlet pipe (29) of fuel reserve tank (25), the oil outlet (28) of the oil pump (27) with out Oil pipe (16) is connected, and the other end of the flowline (16) is connected with the inlet valve of conservator (17), the oil pump (27) and installation Motor (24) at the top of fuel reserve tank (25) is connected, and overflow valve (26), electronic flowmeter are sequentially installed on flowline (16) (23) and first pressure sensor (21)；Liquid level sensor (18) and second pressure sensing are installed inside the conservator (17) Device (19).

5. the wet type transformer and mounting structure of intelligent automatic repairing according to claim 4, it is characterised in that: the electricity Machine (24) uses variable-frequency motor, and the variable-frequency motor (24) passes through the signal output end phase of frequency converter (22) and controller (20) Even, the liquid level sensor (18) and second pressure sensor (19) are connected with the signal input part of controller (20), the electricity Subflow meter (23) and first pressure sensor (21) are connected with the signal input part of controller (20).

6. the wet type transformer and mounting structure of intelligent automatic repairing according to claim 1, it is characterised in that: the change Depressor mounting rod (2) uses concurrent.