CN202332492U - Dry type transformer provided with protection circuit - Google Patents
Dry type transformer provided with protection circuit Download PDFInfo
- Publication number
- CN202332492U CN202332492U CN2011204547230U CN201120454723U CN202332492U CN 202332492 U CN202332492 U CN 202332492U CN 2011204547230 U CN2011204547230 U CN 2011204547230U CN 201120454723 U CN201120454723 U CN 201120454723U CN 202332492 U CN202332492 U CN 202332492U
- Authority
- CN
- China
- Prior art keywords
- fan
- temperature controller
- protective circuit
- type transformer
- dry
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a dry type transformer provided with a protection circuit. The dry type transformer mainly consists of a box body (1) which is internally provided with a fan (2), wherein the box body (1) is further provided with a temperature controller (3) which is electrically connected with the fan (2). The dry type transformer provided with the protection circuit is characterized in that the protection circuit (4) which is electrically connected with the fan (2) and the temperature controller (3) is arranged between the fan (2) and the temperature controller (3). The dry type transformer provided with the protection circuit has the advantages of simple structure, low cost, convenience for use, and convenience for movement; and furthermore, the temperature controller (3) is prevented from being burnt out due to circuit faults of the fan, so that the dry type transformer provided with the protection circuit is suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of dry-type transformer, specifically is meant a kind of dry-type transformer with protective circuit.
Background technology
Dry-type transformer needs to consume a large amount of electric energy in the process of work, and these electric energy will be converted into heat energy, thereby the temperature of dry-type transformer is raise.In order to protect dry-type transformer, need usually to use fan that transformer is dispelled the heat to prolong the useful life of this transformer.Simultaneously, need to use the temperature of thermostat with the monitoring transformer.Because thermostat directly is electrically connected with fan, thereby make thermostat be easy to burnt out, and thermostat costs an arm and a leg, so bring great economic pressures to the user.
Summary of the invention
The thermostat that the purpose of the utility model is to overcome the dry-type transformer of present use directly is electrically connected with fan; Thereby make thermostat be easy to burnt out; And thermostat costs an arm and a leg, and therefore brings the defective of great economic pressures to the user, provides a kind of not only simple in structure; And with low cost, easy to use, the dry-type transformer that can also protect thermostat not burnt out with protective circuit.
The utility model is realized through following technical proposals: the dry-type transformer with protective circuit; The casing that mainly is provided with fan by inside and has a chamber door is formed; On this casing, also be provided with the temperature controller that is electrically connected with fan, between said fan and temperature controller, also be provided with the protective circuit that all is electrically connected with this fan and temperature controller.
Further, said protective circuit is arranged on the bottom surface of casing or on the inwall.
Further, said protective circuit comprises all and parallelly connected with fan electromotor again contactor KM and thermal protector normally-closed contact JRS1 after temperature controller is connected; And all with parallelly connected with temperature controller, contactor KM and thermal protector normally-closed contact JRS1 again contactor normally opened contact KM1 and thermal protector JRS after fan electromotor M connects.
Further again, said fan electromotor M is one.
Perhaps, said fan electromotor M is more than two, and this fan electromotor M parallel connection each other.
In order to satisfy the demand, said contactor KM is an A.C. contactor.
And the model of said A.C. contactor is CJX2-0910.
In order to better meet needs, the model of said thermal protector JRS is TGR36-20.
In order better to realize the utility model, the model of said temperature controller is BWDK-3190.
In order to ensure effect, said temperature controller is arranged on the side of casing.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, and is easy to use.
(2) be provided with protective circuit between fan of the utility model and the temperature controller, prevent to burn out temperature controller, therefore prolonged the useful life of temperature controller, the use cost of having practiced thrift the utility model because of the fault of fan.
(3) protective circuit of the utility model is arranged on the inside of casing, and protective circuit is difficult for because of being exposed to outer being damaged.
(4) protective circuit of the utility model comprises contactor KM and thermal protector JRS, thereby makes this protective circuit simple in structure, with low cost, easy access and replacing.
(5) fan of the utility model is made as more than one, makes the radiating effect of the utility model better.
(6) temperature controller of the utility model is arranged on the side of casing, thereby is convenient to observe.
Description of drawings
Fig. 1 is the internal structure sketch map of the utility model.
Fig. 2 is the overall structure sketch map of the utility model.
Circuit diagram when Fig. 3 is one for the fan electromotor M of the utility model.
Fig. 4 is two circuit diagrams when above for the fan electromotor M of the utility model.
Wherein, the parts name that Reference numeral is corresponding among the figure is called:
1-casing, 2-chamber door, 3-fan, 4-temperature controller, 5-protective circuit, 6-fixed head.
Embodiment
Below in conjunction with embodiment the utility model is done to specify further, but the execution mode of the utility model is not limited thereto.
Embodiment
Shown in Fig. 1～4, the utility model mainly is made up of casing 1, the cube structure that this casing 1 is processed for sheet metal, and this casing 1 is the semi-closed structure of leading flank opening.Also be provided with fixed head 6 at this leading flank, and this fixed head 6 is connected with upper surface, lower surface and right flank respectively, then forms opening between this fixed head 6 and the left surface, so that get into this box house.Simultaneously, between this fixed head 6 and left surface, also be provided with chamber door 5, and this chamber door 5 is double door, as shown in Figure 2.
For the ease of the utility model is dispelled the heat, also be provided with fan 2 in said casing 1 inside, this fan 2 is arranged on the bottom surface of casing 1.Simultaneously, on said casing 1, also be provided with the temperature controller 3 that is electrically connected with fan 2,3 of this temperature controllers are arranged on the side of casing 1, and the model of this temperature controller 3 is BWDK-3190.For the ease of using, said temperature control 3 is arranged on and is embedded on the fixed head 6, and the display interface of this temperature controller 3 outwards is provided with, and is as shown in Figure 1.
Burn out temperature controller 3 when breaking down, between said fan 2 and temperature controller 3, also be provided with protective circuit 4 for the circuit that prevents fan 2.Said protective circuit 4 all is electrically connected with fan 2 and temperature controller 3, and this protective circuit 4 is located at the inside of casing 1, and is arranged on the bottom surface of casing 1, perhaps is fixed on the sidewall of casing 1.
Like Fig. 3, shown in 4, said protective circuit 4 is connected on the power supply, and this power supply is three phase mains, comprises L1 line, L2 line and L3 line, is to use power supply for greater safety, and this power supply also comprises ground wire PE and zero line N.4 of protective circuits comprise on the L1 line that is connected power supply with zero line N on contactor KM; This contactor KM is an A.C. contactor; And the model of this contactor KM is CJX2-0910; 3 of said temperature controllers are connected on this contactor KM, and said fan electromotor M is then parallelly connected with this contactor KM and temperature controller 3.It is parallelly connected after the normally opened contact KM1 of said contactor KM then connects with fan electromotor with contactor KM and temperature controller 3.Simultaneously, this protective circuit 4 also comprises thermal protector JRS, and the model of this thermal protector JRS is TGR36-20.Said thermal protector JRS connects with contactor normally opened contact KM1 and fan electromotor M respectively, and parallelly connected with temperature controller 3 and contactor KM, and this thermal protector JRS is arranged between contactor normally opened contact KM1 and the fan electromotor M.This thermal protector normally-closed contact JRS1 then connects with temperature controller 3 and contactor KM respectively; And parallelly connected with contactor normally opened contact KM1, thermal protector JRS and fan electromotor M, and this thermal protector normally-closed contact JRS1 is arranged between contactor KM and the temperature controller 3.
On said fan electromotor, also be connected with ground wire PE, and this fan electromotor M is made as one, promptly fan 2 is made as one, and is as shown in Figure 3; Perhaps this fan electromotor M is made as more than two, and promptly fan 2 is made as more than two, and this fan electromotor M parallel connection each other, and is as shown in Figure 4.
During work, contactor KM and thermal protector JRS share the electric current in the circuit.When fan electromotor M circuit breaks down and during supercurrent, thermal protector JRS work, and cut off circuit, thus protected fan electromotor M; Simultaneously, thermal protector normally-closed contact JRS1 opens under the effect of thermal protector JRS, thereby makes temperature controller 3 short circuits, has promptly protected temperature controller 3 not burnt out.
As stated, just can realize the utility model preferably.
Claims (10)
1. the dry-type transformer that has protective circuit; The casing (1) that mainly is provided with fan (2) by inside is formed; On this casing (1), also be provided with the temperature controller (3) that is electrically connected with fan (2), it is characterized in that: between said fan (2) and temperature controller (3), also be provided with the protective circuit (4) that all is electrically connected with this fan (2) and temperature controller (3).
2. the dry-type transformer with protective circuit according to claim 1 is characterized in that: said protective circuit (4) is arranged on the bottom surface of casing (1) or on the inwall.
3. the dry-type transformer with protective circuit according to claim 1 and 2 is characterized in that: said protective circuit (4) comprises all and parallelly connected with fan electromotor M again contactor KM and thermal protector normally-closed contact JRS1 after temperature controller (3) is connected; And all with parallelly connected with temperature controller (3), contactor KM and thermal protector normally-closed contact JRS1 again contactor normally opened contact KM1 and thermal protector JRS after fan electromotor M connects.
4. the dry-type transformer with protective circuit according to claim 3 is characterized in that: said fan electromotor M is one.
5. the dry-type transformer with protective circuit according to claim 3 is characterized in that: said fan electromotor M is more than two, and this fan electromotor M parallel connection each other.
6. according to claim 4 or 5 described dry-type transformers with protective circuit, it is characterized in that: said contactor KM is an A.C. contactor.
7. the dry-type transformer with protective circuit according to claim 6 is characterized in that: the model of said A.C. contactor is CJX2-0910.
8. the dry-type transformer with protective circuit according to claim 7 is characterized in that: the model of said thermal protector JRS is TGR36-20.
9. according to claim 7 or 8 described dry-type transformers with protective circuit, it is characterized in that: the model of said temperature controller (3) is BWDK-3190.
10. the dry-type transformer with protective circuit according to claim 9 is characterized in that: said temperature controller (3) is arranged on the side of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204547230U CN202332492U (en) | 2011-11-17 | 2011-11-17 | Dry type transformer provided with protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204547230U CN202332492U (en) | 2011-11-17 | 2011-11-17 | Dry type transformer provided with protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332492U true CN202332492U (en) | 2012-07-11 |
Family
ID=46444464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204547230U Withdrawn - After Issue CN202332492U (en) | 2011-11-17 | 2011-11-17 | Dry type transformer provided with protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364623A (en) * | 2011-11-17 | 2012-02-29 | 四川嘉宝莉涂料有限公司 | Dry type transformer with protection circuit |
-
2011
- 2011-11-17 CN CN2011204547230U patent/CN202332492U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364623A (en) * | 2011-11-17 | 2012-02-29 | 四川嘉宝莉涂料有限公司 | Dry type transformer with protection circuit |
| CN102364623B (en) * | 2011-11-17 | 2013-06-12 | 四川嘉宝莉涂料有限公司 | Dry type transformer with protection circuit |
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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: 20120711 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |