CN204855606U - Dustproof heat radiation structure of ammeter case - Google Patents
Dustproof heat radiation structure of ammeter case Download PDFInfo
- Publication number
- CN204855606U CN204855606U CN201520619588.9U CN201520619588U CN204855606U CN 204855606 U CN204855606 U CN 204855606U CN 201520619588 U CN201520619588 U CN 201520619588U CN 204855606 U CN204855606 U CN 204855606U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- housing
- thermovent
- accommodating cavity
- chute
- 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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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a dustproof heat radiation structure of ammeter case, its technical scheme main points include casing, filter screen, set up the thermovent of tripe form on the casing, the filter screen has the holding chamber, the filter screen covers in the inboard of casing and makes holding chamber and thermovent UNICOM in the thermovent, the filter screen can be dismantled and connect on the casing. The utility model discloses having better dustproof radiating effect, and for prior art, can reaching the cleaning cycle of long period, it is more convenient to use.
Description
Technical field
The utility model relates to a kind of ammeter box, and more particularly it relates to a kind of ammeter box dust-proof radiating structure.
Background technology
Ammeter box housing is the protective device of ammeter, is generally provided with ammeter and circuit in housing; In the area that some temperature variation are larger, because the ventilation effect of housing is poor, easily there is condensation and solidifying white phenomenon in its housing, cause, in housing, electrical equipment and line fault occur, therefore generally certain ventilation and heat mouth all will be set to ensure heat radiation and the drying of housing; But ammeter box of the prior art, because the setting of its ventilation and heat mouth is unreasonable, cause dirt accumulation in its housing, some insects easily enter enclosure interior, affect the normal operation of equipment and circuit in housing, still there is the space of improvement.
In prior art application number be 201320608410.5 Chinese patent document disclose a kind of dust-proof radiating ammeter box, comprise housing, described housing is provided with ventilation and heat mouth, it is characterized in that: described ventilation and heat mouth place is provided with the window shutter of band raster, described grid is towards terrain slope, the inner side of the corresponding window shutter of described ventilation and heat mouth is provided with dust-proof screen pack, and screen pack is connected with ventilation and heat mouth is movable, and described housing is provided with at least two ventilation and heat mouths.
Existing similar ammeter box is also as described in above-mentioned patent, ventilation and heat mouth is generally louvered, mainly play the effect of waterproof, but the identical thermovent with filter structure is also same as described above, filter screen is that the inner side being directly fitted in window shutter is arranged, mainly there are two defects in the filter structure of setting like this, one, filter screen laminating window shutter is arranged, because filter screen has certain barrier to air, window shutter of directly fitting, blocks the circulation of air to a certain extent, the narrow space of air circulation, have impact on radiating effect; Once accumulate dust on the filter screen that its two direct laminating window shutter is arranged, dust drops by gravity and is just easily directly piled up on window shutter, causes thermovent blocked, affects radiating effect, need regular maintenance to clear up, use inconvenience.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the dust-proof radiating structure providing a kind of ammeter box, and it has better dust-proof radiating effect, and relative to prior art, can reach the cleaning cycle of long period, uses more convenient.
For achieving the above object, the utility model provides following technical scheme: a kind of dust-proof radiating structure of ammeter box, comprise housing, filter screen, housing offers the thermovent of louvered, described filter screen has accommodating cavity, described filter screen covers in thermovent and makes accommodating cavity and thermovent UNICOM in the inner side of housing, described filter screen is removably connected on housing.
Described filter screen comprises side frame for forming accommodating cavity and base plate, and base plate offers filter bores, and the inner side of described housing is provided with chute, and described filter screen is slidably connected to chute by side frame, and described chute has the opening skidding off chute for filter screen.
Described chute is made up of the L-type component that two are integrally formed on housing, and one end of two L-type components is fixed on housing, and the other end is arranged in opposite directions, and two L-type components are symmetrical.
Effect of the present utility model is, abandon the mode that filter screen in prior art directly fits in the setting of louvered thermovent place, it is by being set to the structure with accommodating cavity by filter screen, and this filter screen is covered in the inner side of thermovent, make this accommodating cavity and thermovent UNICOM, therefore gas can be circulated in accommodating cavity from thermovent, enter in housing by accommodating cavity again, pass through such scheme, considerably increase the free air space of air, avoid traditional filter screen and directly fit in thermovent and cause air passing space to reduce and the problem that causes radiating effect to weaken; And by arranging accommodating cavity, can fall within accommodating cavity after dust drops, because accommodating cavity has certain space, therefore it can hold a certain amount of dust, and avoid dust blocking thermovent, therefore it can ensure the unobstructed of thermovent, and effectively extends the cleaning cycle of this filter screen, uses more convenient.The dismountable structure of filter screen, make the cleaning to filter screen, change more convenient.
In sum, the utility model can reach better filter effect and extend cleaning cycle, uses convenient.
Accompanying drawing explanation
Fig. 1 is the utility model external structure schematic diagram;
Fig. 2 is the utility model filter screen and casing mounting structure schematic diagram;
Fig. 3 is the part A enlarged drawing of Fig. 2;
Fig. 4 is the structural representation of the utility model filter screen when skidding off;
Fig. 5 is the part B enlarged drawing of Fig. 4.
Description of reference numerals: 1, housing; 2, filter screen; 11, thermovent; 12, L-type component; 21, side frame; 22, base plate; 23, accommodating cavity.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model embodiment is described further.
The dust-proof radiating structure of ammeter box described in the utility model, as shown in Figure 1, comprise housing 1, filter screen 2, housing 1 offers the thermovent 11 of louvered, described filter screen 2 has accommodating cavity 23, described filter screen 2 covers in thermovent 11 and makes accommodating cavity 23 and thermovent 11 UNICOM in the inner side of housing 1, described filter screen 2 is removably connected on housing 1.
Further, the structure that filter screen 2 and its removably connect is described further, described filter screen 2 comprises side frame 21 for forming accommodating cavity 23 and base plate 22, base plate 22 offers filter bores, the inner side of described housing 1 is provided with chute, described filter screen 2 is slidably connected to chute by side frame 21, and described chute has the opening skidding off chute for filter screen 2.Described chute is made up of the L-type component 12 that two are integrally formed on housing 1, and one end of two L-type components 12 is fixed on housing 1, and the other end is arranged in opposite directions, and two L-type components 12 are symmetrical.Filter screen 2 is slidably connected between two L-type components 12 by its side frame 21 and is fixed, and only filter screen 2 need be skidded off the chute that L-type component 12 is formed when taking out filter screen 2.Above-mentioned filter screen 2 demountable structure, as preferred version of the present utility model, also can adopt the mode such as screw, buckle to fix posteriorly.
Effect of the present utility model is, abandon the mode that filter screen 2 in prior art directly fits in the setting of louvered thermovent 11 place, it is by being set to the structure with accommodating cavity 23 by filter screen 2, and this filter screen 2 is covered in the inner side of thermovent 11, make this accommodating cavity 23 and thermovent 11 UNICOM, therefore gas can be circulated in accommodating cavity 23 from thermovent 11, enter in housing 1 by accommodating cavity 23 again, pass through such scheme, considerably increase the free air space of air, avoid traditional filter screen 2 directly fit in thermovent 11 and cause air passing space to reduce and the problem that causes radiating effect to weaken, and by arranging accommodating cavity 23, can fall within after dust drops in accommodating cavity 23, because accommodating cavity 23 has certain space, therefore it can hold a certain amount of dust, and avoid dust blocking thermovent 11, therefore it can ensure the unobstructed of thermovent 11, and effectively extends the cleaning cycle of this filter screen 2, uses more convenient.The dismountable structure of filter screen 2, make the cleaning to filter screen 2, change more convenient.
In sum, the utility model can reach better filter effect and extend cleaning cycle, uses convenient.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the dust-proof radiating structure of an ammeter box, comprise housing, filter screen, housing offers the thermovent of louvered, it is characterized in that: described filter screen has accommodating cavity, described filter screen covers in thermovent and makes accommodating cavity and thermovent UNICOM in the inner side of housing, described filter screen is removably connected on housing.
2. the dust-proof radiating structure of ammeter box according to claim 1, it is characterized in that: described filter screen comprises side frame for forming accommodating cavity and base plate, base plate offers filter bores, the inner side of described housing is provided with chute, described filter screen is slidably connected to chute by side frame, and described chute has the opening skidding off chute for filter screen.
3. the dust-proof radiating structure of ammeter box according to claim 2, it is characterized in that: described chute is made up of the L-type component that two are integrally formed on housing, one end of two L-type components is fixed on housing, and the other end is arranged in opposite directions, and two L-type components are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619588.9U CN204855606U (en) | 2015-08-17 | 2015-08-17 | Dustproof heat radiation structure of ammeter case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619588.9U CN204855606U (en) | 2015-08-17 | 2015-08-17 | Dustproof heat radiation structure of ammeter case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855606U true CN204855606U (en) | 2015-12-09 |
Family
ID=54746144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619588.9U Expired - Fee Related CN204855606U (en) | 2015-08-17 | 2015-08-17 | Dustproof heat radiation structure of ammeter case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561608A (en) * | 2017-09-25 | 2019-04-02 | 中车大连电力牵引研发中心有限公司 | A kind of ventilation device |
-
2015
- 2015-08-17 CN CN201520619588.9U patent/CN204855606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561608A (en) * | 2017-09-25 | 2019-04-02 | 中车大连电力牵引研发中心有限公司 | A kind of ventilation device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190817 |