CN204946643U - A kind of denoising device for transformer - Google Patents
A kind of denoising device for transformer Download PDFInfo
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- CN204946643U CN204946643U CN201520664628.1U CN201520664628U CN204946643U CN 204946643 U CN204946643 U CN 204946643U CN 201520664628 U CN201520664628 U CN 201520664628U CN 204946643 U CN204946643 U CN 204946643U
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- sound insulation
- insulation shell
- complex sound
- transformer
- denoising device
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Abstract
The utility model relates to a kind of denoising device for transformer, this device interior is provided with transformer, described equipment comprises base, be arranged on the complex sound insulation shell on base, be arranged on air draft mechanism and the temperature sensor of complex sound insulation enclosure, described complex sound insulation shell is provided with temperature control box, described temperature sensor, air draft mechanism is electrically connected with temperature control box respectively by circuit, described transformer bottom is provided with vibration isolator, and be fixedly installed on complex sound insulation enclosure by vibration isolator, the bottom, both sides, front and back of described complex sound insulation shell is arranged with at least one pair of composite type inlet box respectively, and the top, the left and right sides of described complex sound insulation shell is also arranged with at least one pair of Combined exhaust air case respectively.Compared with prior art, the utility model structure is simple, and economical and practical, can effectively solve the problems such as transformer noise, ventilation and vibration, long service life, has good application prospect.
Description
Technical field
The utility model belongs to power transmission and distribution technical field, relates to a kind of denoising device, especially relates to a kind of denoising device for transformer.
Background technology
Transformer (Transformer) utilizes the principle of electromagnetic induction to change the device of alternating voltage, main member is primary coil, secondary coil and iron core (magnetic core), and major function comprises voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.And transformer in the course of the work, often produce larger noise, thus noise pollution is caused to the environment of periphery, affect the healthy of people.
As everyone knows, the noise of transformer be vibrated by transformer body and cooling device vibration and produce a kind of continuous noise.The size of transformer noise is relevant with factors such as the capacity of transformer, silicon steel sheet material and magnetic flux densities unshakable in one's determination.Result of study shows, the iron coring vibration that the magnetostriction of the silicon steel sheet that has its source in of transformer body vibration causes.And cooling device noise is also produce due to itself vibrates, have its source in cooling fan and the transformer oil pump of cooling device vibration operationally can produce vibration.But under normal circumstances, the vibration of transformer body can pass to cooling device by insulating oil, pipe joint and Assembly part thereof etc., and make the vibration of cooling device more aggravate, the noise of radiation is larger.
Transformer case is mainly used in the security protection at operating transformer scene, avoids because the foreign matters such as toy enter in transformer case cause interruption of service, available protecting personal safety also can play certain electromagnetic shielding action.In transformer noise reduction, also have and transformer outer case construction is improved, reach the technology report of noise reduction with this.Such as, Authorization Notice No. is that the Chinese utility model patent of CN204537809U discloses a kind of improvement transformer case, is made up of transformer case, transformer body, input lead, output lead, air outlet, air inlet, protector, ventilating fan, dehydrating breather, noise reduction sound-absorbing layer, radiation protective layer, thermal insulation layer.The both sides of described transformer case are respectively equipped with air outlet and air inlet, are equipped with ventilating fan at air outlet and air inlet; The outside of described transformer case is provided with protector, and described protector comprises noise reduction sound-absorbing layer, radiation protective layer and thermal insulation layer, and noise reduction sound-absorbing layer, radiation protective layer and thermal insulation layer are successively set on the outside of transformer case from inside to outside; Described transformer case inside is provided with dehydrating breather, and the quantity of dehydrating breather is no less than one; Described radiation protective layer inside is wire screen lattice structure; Described noise reduction sound-absorbing layer, to be bonded together by adhesive between radiation protective layer and thermal insulation layer.In noise reduction, the technical scheme of this patent disclosure mainly adopts noise reduction sound-absorbing layer to reach the effect of sound insulation, but does not set about improving from the root component vibration problem producing noise, and therefore, this patent limited efficiency in noise reduction, is further improved.
Utility model content
The purpose of this utility model is exactly provide a kind of structure simple to overcome defect that above-mentioned prior art exists, economical and practical, effectively can solve the denoising device for transformer of the problems such as transformer noise, ventilation and vibration.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of denoising device for transformer, this device interior is provided with transformer, described equipment comprises base, be arranged on the complex sound insulation shell on base, be arranged on air draft mechanism and the temperature sensor of complex sound insulation enclosure, described complex sound insulation shell is provided with temperature control box, described temperature sensor, air draft mechanism is electrically connected with temperature control box respectively by circuit, described transformer bottom is provided with vibration isolator, and be fixedly installed on complex sound insulation enclosure by vibration isolator, the bottom, the left and right sides of described complex sound insulation shell is arranged with at least one pair of composite type inlet box respectively, and front and back two upper lateral part of described complex sound insulation shell is also arranged with at least one pair of Combined exhaust air case respectively.
Described complex sound insulation shell comprises the damping flaggy, orifice layer, sound insulation flaggy and the shell flaggy that set gradually from inside to outside.
Described air draft mechanism comprises exhaust duct and is arranged on the ventilating fan at exhaust duct air inlet place, and described exhaust duct is fixed on the top board of complex sound insulation shell by suspension bracket, and described ventilating fan is electrically connected with temperature control box by circuit.
In working order, the temperature signal of device interior is transformed into the signal of telecommunication and is passed in temperature control box by described temperature sensor, temperature control box controls the rotating speed of ventilating fan according to the signal of telecommunication received, be convenient to the space temperature of quick adjustment device inside, effectively can prevent device interior from occurring the phenomenon that space temperature is too high, and then ensure the normal operation of transformer.
The gas outlet of described exhaust duct is arranged on the top board of complex sound insulation shell.
Described composite type inlet box, Combined exhaust air case are fixedly connected with complex sound insulation shell respectively by connecting flange plate.
Described composite type inlet box is positioned at complex sound insulation outer side one end and is provided with the first bottom air inlet entered for complex sound insulation housing exterior cold air, this air inlet place, the first bottom is provided with the first baffler, and described composite type inlet box is positioned at complex sound insulation shell inner opposite end and is also provided with gas outlet, left side, gas outlet, right side and the first gas outlet, top.
The first described air inlet place, bottom is also provided with the first protection network.
Described Combined exhaust air case is positioned at complex sound insulation shell inner opposite end and is provided with the second bottom air inlet, left side air inlet and the right side inlets that enter for complex sound insulation enclosure hot-air, and described Combined exhaust air case is positioned at complex sound insulation outer side one end is also provided with the second gas outlet, top, this gas outlet place, the second top is also provided with the second baffler.
The second described air inlet place, bottom is also provided with the second protection network.
Described vibration isolator is that three-dimensional waits rigidity vibration isolator.
Described complex sound insulation shell is also provided with soundproof door.
In the utility model, described composite type inlet box and the casing of Combined exhaust air case all adopt deadener to make.
Compared with prior art, the utility model is when reality uses, the magnetic rotation noise produced when transformer runs is when by complex sound insulation shell, the rubbing action of noise source molecule is formed due to the retardance of deadener in sound insulation flaggy, and then be converted into heat energy, the sonic propagation that makes to make an uproar constantly is decayed, thus reaches the effect of noise elimination, simultaneously, adopt composite type inlet box, three layers of Combined exhaust air case and air draft mechanism common combination are folded to composite type air inlet and outlet device, can under guaranteeing that equipment normally runs the prerequisite of required cooling air quantity, effectively prevent the outside propagation of noise, in addition, three-dimensional grade for rigidity vibration isolator is adopted at transformer bottom, when the vibration produced when transformer is run is by vibration isolator, due to retardation and the effect of liquidating of spring and damping material, vibration source is externally transmitted eliminated or weaken, reach the attenuation of vibration, its vibration attenuation value can reach 90 ~ 95%, greatly slacken noise root, and then excellent noise reduction can be reached.
Accompanying drawing explanation
Fig. 1 is that the utility model master looks cross-sectional view;
Fig. 2 is that cross-sectional view is looked on the utility model left side;
Fig. 3 is the utility model top view cross section structural representation;
Fig. 4 is the utility model complex sound insulation shell section structural representation;
Fig. 5 is the utility model composite type inlet box cross-sectional view;
Fig. 6 is that the utility model composite type inlet box is given vent to anger side structural representation;
Fig. 7 is the utility model Combined exhaust air case cross-sectional view;
Fig. 8 is the utility model Combined exhaust air case air inlet side structural representation;
Description of symbols in figure:
1-base, 2-complex sound insulation shell, 21-damping flaggy, 22-orifice layer, 23-sound insulation flaggy, 24-shell flaggy, 3-exhaust duct, 4-top board, 5-temperature control box, 6-composite type inlet box, 61-the first bottom air inlet, 62-the first baffler, gas outlet, 63-left side, gas outlet, 64-right side, 65-the first gas outlet, top, 66-the first protection network, 7-suspension bracket, 8-soundproof door, 9-Combined exhaust air case, 91-the second bottom air inlet, 92-left side air inlet, 93-right side inlets, 94-the second gas outlet, top, 95-the second baffler, 96-the second protection network, 10-ventilating fan, 11-connecting flange plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As Figure 1-3, a kind of denoising device for transformer, this device interior is provided with transformer, equipment comprises base 1, be arranged on the complex sound insulation shell 2 on base 1, be arranged on air draft mechanism and the temperature sensor of complex sound insulation shell 2 inside, complex sound insulation shell 2 is provided with temperature control box 5, temperature sensor, air draft mechanism is electrically connected with temperature control box 5 respectively by circuit, transformer bottom is provided with vibration isolator, and it is inner to be fixedly installed on complex sound insulation shell 2 by vibration isolator, the bottom, the left and right sides of complex sound insulation shell 2 is arranged with at least one pair of composite type inlet box 6 respectively, and front and back two upper lateral part of complex sound insulation shell 2 is also arranged with at least one pair of Combined exhaust air case 9 respectively.
Wherein, air draft mechanism comprises exhaust duct 3 and is arranged on the ventilating fan 10 at exhaust duct 3 air inlet place, and exhaust duct 3 is fixed on the top board 4 of complex sound insulation shell 2 by suspension bracket 7, and ventilating fan 10 is electrically connected with temperature control box 5 by circuit.The gas outlet of exhaust duct 3 is arranged on the top board 4 of complex sound insulation shell 2.Composite type inlet box 6, Combined exhaust air case 9 are fixedly connected with complex sound insulation shell 2 respectively by connecting flange plate 11.Vibration isolator is that three-dimensional waits rigidity vibration isolator.Complex sound insulation shell 2 is also provided with soundproof door 8.
As shown in Figure 4, complex sound insulation shell 2 comprises the damping flaggy 21, orifice layer 22, sound insulation flaggy 23 and the shell flaggy 24 that set gradually from inside to outside.
As seen in figs. 5-6, composite type inlet box 6 is positioned at complex sound insulation shell 2 lateral ends and is provided with the first bottom air inlet 61 entered for complex sound insulation shell 2 cool exterior air, this air inlet 61 place, the first bottom is provided with the first baffler 62, and composite type inlet box 6 is positioned at complex sound insulation shell 2 inner opposite end and is also provided with gas outlet 63, left side, gas outlet, right side 64 and the first gas outlet, top 65.First bottom air inlet 61 place is also provided with the first protection network 66.
As Figure 7-8, Combined exhaust air case 9 is positioned at complex sound insulation shell 2 inner opposite end and is provided with the second bottom air inlet 91, left side air inlet 92 and the right side inlets 93 that enter for complex sound insulation shell 2 hot inside air, and Combined exhaust air case 9 is positioned at complex sound insulation shell 2 lateral ends is also provided with the second gas outlet, top 94, this gas outlet 94, the second top place is also provided with the second baffler 95.Second bottom air inlet 91 place is also provided with the second protection network 96.
When actual design, the casing of composite type inlet box 6 and Combined exhaust air case 9 all adopts deadener to make.
In working order, the temperature signal of device interior is transformed into the signal of telecommunication and is passed in temperature control box 5 by temperature sensor, temperature control box 5 controls the rotating speed of ventilating fan 10 according to the signal of telecommunication received, be convenient to the space temperature of quick adjustment device inside, effectively can prevent device interior from occurring the phenomenon that space temperature is too high, and then ensure the normal operation of transformer.
When reality uses, the magnetic rotation noise produced when transformer runs is when by complex sound insulation shell 2, the rubbing action of noise source molecule is formed due to the retardance of deadener in sound insulation flaggy 23, and then be converted into heat energy, the sonic propagation that makes to make an uproar constantly is decayed, thus reaches the effect of noise elimination, simultaneously, adopt composite type inlet box 6, three layers of Combined exhaust air case 9 and air draft mechanism common combination are folded to composite type air inlet and outlet device, can under guaranteeing that equipment normally runs the prerequisite of required cooling air quantity, effectively prevent the outside propagation of noise, in addition, three-dimensional grade for rigidity vibration isolator is adopted at transformer bottom, when the vibration produced when transformer is run is by rigidity vibration isolators such as three-dimensionals, due to retardation and the effect of liquidating of spring and damping material, vibration source is externally transmitted eliminated or weaken, reach the attenuation of vibration, its vibration attenuation value can reach 90 ~ 95%, greatly slacken noise root, and then excellent noise reduction can be reached.
Claims (10)
1. the denoising device for transformer, this device interior is provided with transformer, it is characterized in that, described equipment comprises base (1), be arranged on the complex sound insulation shell (2) on base (1), be arranged on the inner air draft mechanism of complex sound insulation shell (2) and temperature sensor, described complex sound insulation shell (2) is provided with temperature control box (5), described temperature sensor, air draft mechanism is electrically connected with temperature control box (5) respectively by circuit, described transformer bottom is provided with vibration isolator, and it is inner to be fixedly installed on complex sound insulation shell (2) by vibration isolator, the bottom, the left and right sides of described complex sound insulation shell (2) is arranged with at least one pair of composite type inlet box (6) respectively, and front and back two upper lateral part of described complex sound insulation shell (2) is also arranged with at least one pair of Combined exhaust air case (9) respectively.
2. a kind of denoising device for transformer according to claim 1, it is characterized in that, described complex sound insulation shell (2) comprises the damping flaggy (21), orifice layer (22), sound insulation flaggy (23) and the shell flaggy (24) that set gradually from inside to outside.
3. a kind of denoising device for transformer according to claim 1, it is characterized in that, described air draft mechanism comprises exhaust duct (3) and is arranged on the ventilating fan (10) at exhaust duct (3) air inlet place, described exhaust duct (3) is fixed on the top board (4) of complex sound insulation shell (2) by suspension bracket (7), and described ventilating fan (10) is electrically connected with temperature control box (5) by circuit.
4. a kind of denoising device for transformer according to claim 3, is characterized in that, the gas outlet of described exhaust duct (3) is arranged on the top board (4) of complex sound insulation shell (2).
5. a kind of denoising device for transformer according to claim 1, it is characterized in that, described composite type inlet box (6), Combined exhaust air case (9) are fixedly connected with complex sound insulation shell (2) respectively by connecting flange plate (11).
6. a kind of denoising device for transformer according to claim 5, it is characterized in that, described composite type inlet box (6) is positioned at complex sound insulation shell (2) lateral ends and is provided with the first bottom air inlet (61) entered for complex sound insulation shell (2) cool exterior air, this air inlet (61) place, the first bottom is provided with the first baffler (62), described composite type inlet box (6) is positioned at complex sound insulation shell (2) inner opposite end and is also provided with gas outlet, left side (63), gas outlet, right side (64) and the first gas outlet, top (65).
7. a kind of denoising device for transformer according to claim 6, is characterized in that, the first described bottom air inlet (61) place is also provided with the first protection network (66).
8. a kind of denoising device for transformer according to claim 5, it is characterized in that, described Combined exhaust air case (9) is positioned at complex sound insulation shell (2) inner opposite end and is provided with the second bottom air inlet (91) entered for complex sound insulation shell (2) hot inside air, left side air inlet (92) and right side inlets (93), and described Combined exhaust air case (9) is positioned at complex sound insulation shell (2) lateral ends is also provided with the second gas outlet, top (94), this gas outlet, the second top (94) place is also provided with the second baffler (95).
9. a kind of denoising device for transformer according to claim 8, is characterized in that, the second described bottom air inlet (91) place is also provided with the second protection network (96).
10. a kind of denoising device for transformer according to claim 1, is characterized in that, described vibration isolator is that three-dimensional waits rigidity vibration isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664628.1U CN204946643U (en) | 2015-08-28 | 2015-08-28 | A kind of denoising device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664628.1U CN204946643U (en) | 2015-08-28 | 2015-08-28 | A kind of denoising device for transformer |
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| Publication Number | Publication Date |
|---|---|
| CN204946643U true CN204946643U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664628.1U Expired - Fee Related CN204946643U (en) | 2015-08-28 | 2015-08-28 | A kind of denoising device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204946643U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653286A (en) * | 2016-09-26 | 2017-05-10 | 国网上海市电力公司 | Noise reduction shell for American type box transformer |
| CN107424764A (en) * | 2017-08-08 | 2017-12-01 | 芜湖市凯鑫避雷器有限责任公司 | A kind of dust-proof radiating can alarm type dry type transformer device |
| CN115331916A (en) * | 2022-10-13 | 2022-11-11 | 山东鲁控电力设备有限公司 | Intelligent distribution transformer |
-
2015
- 2015-08-28 CN CN201520664628.1U patent/CN204946643U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653286A (en) * | 2016-09-26 | 2017-05-10 | 国网上海市电力公司 | Noise reduction shell for American type box transformer |
| CN106653286B (en) * | 2016-09-26 | 2018-03-27 | 国网上海市电力公司 | A kind of American Unit Substation noise-reduction case |
| CN107424764A (en) * | 2017-08-08 | 2017-12-01 | 芜湖市凯鑫避雷器有限责任公司 | A kind of dust-proof radiating can alarm type dry type transformer device |
| CN115331916A (en) * | 2022-10-13 | 2022-11-11 | 山东鲁控电力设备有限公司 | Intelligent distribution transformer |
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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: 20160106 Termination date: 20210828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |