CN207053371U - A kind of electromagnetic shielding frequency changer - Google Patents
A kind of electromagnetic shielding frequency changer Download PDFInfo
- Publication number
- CN207053371U CN207053371U CN201720636236.3U CN201720636236U CN207053371U CN 207053371 U CN207053371 U CN 207053371U CN 201720636236 U CN201720636236 U CN 201720636236U CN 207053371 U CN207053371 U CN 207053371U
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- CN
- China
- Prior art keywords
- shell
- frequency converter
- electromagnetic shielding
- connector
- cavity
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of electromagnetic shielding frequency changer,Including frequency converter shell,The inside of frequency converter shell is provided with cooling sap cavity and component cavity,Component cavity is respectively arranged on the left side and the right side blast pipe and bat airduct,The inside of cooling sap cavity is provided with heat exchanger tube,Blast pipe and exhaust duct are connected with heat exchanger tube,The other end of exhaust duct is connected with the blower fan inside component cavity,The inside of cooling sap cavity is additionally provided with refrigerating plant and temperature sensor,The inside of component cavity is provided with the controller of control refrigerating plant and temperature sensor,Frequency converter shell includes left shell and right shell body,The right-hand member of left shell is provided with projection,The left end of right shell body is provided with groove,The inside of groove is provided with sealing ring,The right side of right shell body is provided with connector,Connector for L-type plate,The inner top side of connector is provided with damping spring,The lower end of damping spring is connected with supporting plate.The utility model is simple in construction, easy to use, good airproof performance, has electro-magnetic screen function, good heat dissipation effect.
Description
Technical field
Electrical equipment technical field is the utility model is related to, specifically a kind of electromagnetic shielding frequency changer.
Background technology
Frequency converter（Variable-frequency Drive, VFD）It is to apply converter technique and microelectric technique, by changing
Become motor working power Frequency Patterns to control the electric control appliance of ac motor.Frequency converter is mainly by rectification（Exchange becomes
Direct current）, filtering, inversion（Direct current becomes exchange）, brake unit, driver element, the composition such as detection unit microprocessing unit.Frequency converter
IGBT cut-offs to adjust the voltage of out-put supply and frequency close to the inner portion, according to being actually needed come required for providing it for motor
Supply voltage, and then save, the purpose of speed governing, in addition, frequency converter also has many defencive functions, such as excessively stream, overvoltage, mistake
Carry protection etc..With the continuous improvement of industrial automatization, frequency converter has also obtained very extensive application.Frequency converter
Radiating is an important problem, and existing frequency converter typically offers thermovent, although having radiating effect,
Dust can be carried to enter, can also enter moisture in a humidity environment, influence the service life of frequency converter.
Utility model content
The purpose of this utility model is to provide a kind of electromagnetic shielding frequency changer, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of electromagnetic shielding frequency changer, including frequency converter shell, the inside of the frequency converter shell be provided with cooling sap cavity and
Component cavity, the component cavity are respectively arranged on the left side and the right side blast pipe and bat airduct, and the inside for cooling down sap cavity is provided with heat exchanger tube, institute
State blast pipe and exhaust duct is connected with heat exchanger tube, the other end of exhaust duct is connected with the blower fan inside component cavity, cold
But the inside of sap cavity is additionally provided with refrigerating plant and temperature sensor, and the inside of component cavity is provided with control refrigerating plant and TEMP
The controller of device, the frequency converter shell include left shell and right shell body, are provided with connecting pole in the left shell, are set in right shell body
There is the connecting bolt coordinated with connecting pole, the right-hand member of left shell is provided with projection, and the left end of right shell body is provided with groove, the groove
Inside is provided with sealing ring, and the right side of right shell body is provided with connector, and the connector sets for L-type plate, the inner top side of connector
There is damping spring, the lower end of the damping spring is connected with supporting plate, elastic component is additionally provided with the inside of connector.
As further program of the utility model：Connecting pole and the connecting bolt threaded connection.
As further program of the utility model：The heat exchanger tube is snakelike heat exchange tube.
As the utility model further scheme：The frequency converter shell uses plastics electromagnetic shielding shell.
Compared with prior art, the beneficial effects of the utility model are：The inside of groove is provided with sealing ring, convex after installation
Crush seal circle is played, good sealing effect, the sealing of housing is improved, improves device water resistance, cooling sap cavity, blast pipe
With the setting of exhaust duct so that form circulation between them, it is not necessary to the air can for contacting outside reaches the effect of radiating,
The dust and moisture that outside can be prevented enter enclosure interior, the setting of damping spring, can reduce after mounting because of various originals
Shaken caused by, extend the life-span used, frequency converter shell uses plastics electromagnetic shielding shell, and it is left to add electromagnetic shielding
The right side, improve the antijamming capability of the present apparatus.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side sectional view of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, in the utility model embodiment, a kind of electromagnetic shielding frequency changer, including frequency converter shell 1,
The frequency converter shell 1 uses plastics electromagnetic shielding shell, adds electromagnetic shielding left and right, improves the anti-interference energy of the present apparatus
Power, the inside of the frequency converter shell 1 is provided with cooling sap cavity 3 and component cavity 2, the component cavity 2 are respectively arranged on the left side and the right side
Blast pipe 6 and airduct 5 is clapped, the inside of cooling sap cavity 3 is provided with heat exchanger tube 4, and the heat exchanger tube 4 is snakelike heat exchange tube, the air intake
Pipe 6 and exhaust duct 5 are connected with heat exchanger tube 4, and the other end of exhaust duct 5 is connected with the blower fan 7 inside component cavity 2, cold
But the inside of sap cavity 3 is additionally provided with refrigerating plant 8 and temperature sensor 9, and the inside of component cavity 2 is provided with control refrigerating plant 8 and temperature
The controller 10 of sensor 9 is spent, forms circulation between cooling sap cavity, blast pipe 6 and exhaust duct 5, it is not necessary to contact the sky of outside
Gas can reaches the effect of radiating, and the dust and moisture that can prevent outside enter enclosure interior, and the frequency converter shell 1 wraps
Left shell 11 and right shell body 12 are included, connecting pole 13 is provided with the left shell 11, is provided with right shell body 12 and coordinates with connecting pole 13
Connecting bolt 14, the connecting pole 13 and connecting bolt 14 be threadedly coupled, and the right-hand member of left shell 11 is provided with projection 17, right shell body
12 left end is provided with groove 15, and the inside of the groove 15 is provided with sealing ring 16, and after installation, raised 17 crush seal circles 16 are close
It is good to seal effect, improves the sealing of housing, improves device water resistance, the right side of right shell body 12 is provided with connector 18, institute
That states connector 18 is provided with damping spring 19, the lower end connection of the damping spring 19 for L-type plate, the inner top side of connector 18
There is supporting plate 20, the inner side of connector 18 is additionally provided with elastic component 21, can after mounting reduce and be shaken caused by a variety of causes,
Extend the life-span used.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of electromagnetic shielding frequency changer, including frequency converter shell, it is characterised in that the inside of the frequency converter shell is provided with cold
But sap cavity and component cavity, the component cavity are respectively arranged on the left side and the right side blast pipe and bat airduct, and the inside for cooling down sap cavity is provided with
Heat exchanger tube, the blast pipe and exhaust duct are connected with heat exchanger tube, and the other end of exhaust duct is connected with inside component cavity
Blower fan, the inside for cooling down sap cavity is additionally provided with refrigerating plant and temperature sensor, and the inside of component cavity is provided with control refrigerating plant
With the controller of temperature sensor, the frequency converter shell includes left shell and right shell body, connecting pole is provided with the left shell,
The connecting bolt coordinated with connecting pole is provided with right shell body, the right-hand member of left shell is provided with projection, and the left end of right shell body is provided with groove,
The inside of the groove is provided with sealing ring, and the right side of right shell body is provided with connector, the connector for L-type plate, connector
Inner top side is provided with damping spring, and the lower end of the damping spring is connected with supporting plate, elastic component is additionally provided with the inside of connector.
A kind of 2. electromagnetic shielding frequency changer according to claim 1, it is characterised in that connecting pole and the connecting bolt spiral shell
Line connects.
3. a kind of electromagnetic shielding frequency changer according to claim 1, it is characterised in that the heat exchanger tube is snakelike heat exchange
Pipe.
4. a kind of electromagnetic shielding frequency changer according to claim 1, it is characterised in that the frequency converter shell uses plastics
Electromagnetic shielding shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720636236.3U CN207053371U (en) | 2017-06-04 | 2017-06-04 | A kind of electromagnetic shielding frequency changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720636236.3U CN207053371U (en) | 2017-06-04 | 2017-06-04 | A kind of electromagnetic shielding frequency changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053371U true CN207053371U (en) | 2018-02-27 |
Family
ID=61492053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720636236.3U Expired - Fee Related CN207053371U (en) | 2017-06-04 | 2017-06-04 | A kind of electromagnetic shielding frequency changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207053371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032311A (en) * | 2018-09-03 | 2018-12-18 | 山东商务职业学院 | A kind of computer cabinet external cooling device of high applicability |
| CN110871042A (en) * | 2019-12-04 | 2020-03-10 | 山东中塑泰富科技有限公司 | Adhesive apparatus for producing for packaging film cooks |
-
2017
- 2017-06-04 CN CN201720636236.3U patent/CN207053371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032311A (en) * | 2018-09-03 | 2018-12-18 | 山东商务职业学院 | A kind of computer cabinet external cooling device of high applicability |
| CN110871042A (en) * | 2019-12-04 | 2020-03-10 | 山东中塑泰富科技有限公司 | Adhesive apparatus for producing for packaging film cooks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20200604 |