CN102387686B - Protection mechanism for junction box of refrigeration compressor - Google Patents
Protection mechanism for junction box of refrigeration compressor Download PDFInfo
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- CN102387686B CN102387686B CN2011102834593A CN201110283459A CN102387686B CN 102387686 B CN102387686 B CN 102387686B CN 2011102834593 A CN2011102834593 A CN 2011102834593A CN 201110283459 A CN201110283459 A CN 201110283459A CN 102387686 B CN102387686 B CN 102387686B
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- terminal box
- outer shield
- cover plate
- protection mechanism
- refrigerant compressor
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Abstract
The invention provides a protection mechanism for a junction box of a refrigeration compressor, belonging to the technical field of the refrigeration compressor. The refrigeration compressor comprises a refrigeration compressor main body and the refrigeration compressor main body comprises the junction box; the protection mechanism for the junction box comprises a junction box external protective guard provided with a protective guard cavity and an external protective guard cover plate; the external protective guard cover plate is fixedly connected with the refrigeration compressor main body; the external protective guard cover plate is matched with the junction box external protective guard in a plugging manner and is used for closing the protective guard cavity; a radiation fin is formed at one outward side of the protective guard cover plate; the junction box is located in the protective guard cavity and is fixedly connected with the refrigeration compressor main body; and a space is kept between the periphery of the junction box and the inner wall of the protective guard cavity. The protection mechanism provided by the invention has the advantages that: the influence on the junction box by the outside environment is avoided; when the fire breakout situation happens, the junction box external protective guard has the function of isolating so that a greater fire disaster caused by spreading the fire is avoided; and the radiation fin on the protective guard cover plate is beneficial to enlarging the radiation area and enhancing the radiation effect.
Description
Technical field
The invention belongs to technical field of refrigeration compressors, the terminal box that is specifically related to a kind of refrigerant compressor is used protection mechanism
Background technology
such as industry the reason of knowledge; The refrigerant compressor that uses on the electrical equipment such as refrigerator, refrigerator-freezer, Food Freezing and Cold Storage showcase is owing to need install the annex such as starter, overload protective device outside body; And be connected to power supply by wiring; Therefore on compressor, be equipped with a terminal box usually; The assembling of guaranteeing system by this terminal box is neat, and can play the influence that makes aforesaid annex and wiring avoid receiving external environment condition, to ensure the functional reliability of compressor.
are no lack of the technology contents that is seen in about the terminal box of freezer compressor in disclosed Chinese patent document; A kind of freezer compressor that typical as practical novel license notification number CN201204415Y recommends is used terminal box, and this patent scheme is in order to make external power source and reliably to be connected with compressor and proposing.A kind of freezer compressor terminal box that Granted publication CN2903821Y provides, this scheme come off to the lead generation of avoiding being connected with compressor equally or loose contact proposes.A kind of rotor-type compressor that application for a patent for invention publication No. CN101924335A introduces has simple in structure with symmetrical box-base-type hasp terminal box and uses the strong point of raising electric efficiency with reducing the harmonic wave in the motor operating current.A kind of freezer compressor terminal box of touching that CN201779923U discloses, this patent scheme has achievement for fixing various lead-in wires easily.
The common feature of the terminal box of the freezer compressor in the prior art that give an example above being not limited to
is all to himself structure; Though its prominent point is respectively arranged or claims technique effect; But the logical fraud that has the fail safe shortcoming at least; Because in the practical work process of household electrical appliance compressor, run into more extreme abnormal conditions sometimes, like thunderbolt, supply voltage is too high, ambient temperature is too high and/or unusual lost efficacy etc. appears in electronic devices and components; At this moment situation on fire might appear in annex and the wiring system in the compressor electrical junction box; The little condition of a fire that produces in the terminal box tends to break through the lid and the box body of terminal box, and the condition of a fire is outwards spread, and causes that people do not hope the bigger fire that occurs.Although the probability of this situation is lower, and only under extreme case, just might occur, the not rarely seen report that this situation is arranged causes damage to the user in reality, produces totally unfavorable influence to production firm simultaneously.
In view of above-mentioned prior art, be necessary to improve, the applicant has done useful design for this reason, and under secrecy provision, proves practicable through experiment, and the technical scheme that will introduce below produces under this background
Summary of the invention
task of the present invention is to provide a kind of butted line box that helps to protect and use and avoid external environment condition to cause the influence of butted line box; Such as by thunderbolt, supply voltage is too high, ambient temperature is too high and/or the unusual situation that lost efficacy of electronic devices and components under help stoping the intensity of a fire to break through terminal box to the outside diffusion and spread and use and ensure safety, be of value to the terminal box of guaranteeing desirable radiating effect and using the refrigerant compressor of avoiding aggravating the refrigerant compressor temperature rise and use protection mechanism.
task of the present invention is accomplished like this; A kind of terminal box of refrigerant compressor is used protection mechanism; Described refrigerant compressor comprises a refrigerant compressor body, and this refrigerant compressor body comprises a terminal box, described terminal box with protection mechanism comprise have one be used to supply the guard shield chamber that said terminal box holds a terminal box outer shield and an outer shield cover plate; Terminal box outer shield and refrigerant compressor body-fixed; And the plug of outer shield cover plate and terminal box outer shield cooperates, and described guard shield chamber is sealed, and constitutes the radiating fin of the area of dissipation that is used to increase the outer shield cover plate in a side of this guard shield cover plate outward; Described terminal box be positioned at the guard shield chamber and with the refrigerant compressor body-fixed, maintain the space around this terminal box and between the inwall in guard shield chamber.
are in a concrete embodiment of the present invention; On described terminal box outer shield and towards the upper and lower of a side of described outer shield cover plate, respectively be extended with the prominent bar of planting; And respectively constituting the prominent bar groove of planting in the upper and lower of described outer shield cover plate and in position corresponding to the prominent bar of said plant, this prominent bar groove of planting plugs with the prominent bar of planting and cooperates.
in another concrete embodiment of the present invention, the degree of depth of the prominent bar groove of described plant is suitable with the height of the prominent bar of said plant, and the width of the prominent bar groove of planting is suitable with the thickness of the prominent bar of planting.
offer a lead and introduce the hole in another concrete embodiment of the present invention in the bottom of described terminal box outer shield.
In another concrete embodiment of the present invention, the fixed form that described terminal box outer shield and said refrigerant compressor fix is fixed for welding or is fixed by means of securing member
.
also have among the concrete embodiment of the present invention, and described radiating fin is provided with along described outer shield cover plate length direction from top to bottom at interval.
are more of the present invention and among concrete embodiment, described radiating fin is provided with along the Width of said outer shield cover plate from left to right at interval.
in of the present invention and then concrete embodiment, the height of described radiating fin is 0.5-3 ㎜.
of the present invention again more and among concrete embodiment, the material of described terminal box outer shield is identical with the case material of said refrigerant compressor body.
in again of the present invention and then concrete embodiment, the material of described outer shield cover plate is the aluminium extruded material.
technical scheme provided by the invention has been owing to set up the terminal box outer shield of being furnished with the outer shield cover plate outside terminal box, thereby can avoid external environment condition such as trifle in the world, steam, mouse and/or cockroach to cause the influence of butted line box; Meet with such as thunderbolt, supply voltage sudden change, ambient temperature raise suddenly and/or electronic devices and components unusual and when situation on fire occurring, play insulating effect by the terminal box outer shield, avoid fire spreading and cause bigger fire, help to ensure safety; Radiating fin on the guard shield cover plate helps to enlarge area of dissipation and promotes radiating effect, avoids aggravating the temperature rise of refrigerant compressor body.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
Embodiment 1:
see also Fig. 1, have provided refrigerant compressor body 1, on the outer wall of this refrigerant compressor body 1, are fixed with terminal box 11.Technical essential as technical scheme provided by the invention; Provide a terminal box and use protection mechanism; Preferably but not the terminal box that definitely is limited to comprises a terminal box outer shield 2 and an outer shield cover plate 3 with protection mechanism; Terminal box outer shield 2 is preferred to use the iron plate identical with the material of the shell (housing) of refrigerant compressor body 1 molded and shaped, and preferably welds with refrigerant compressor body 1 corresponding to the position of terminal box 11 with the mode of welding and fix.Because terminal box outer shield 2 is used for butted line box 11 and covers and protect, therefore, terminal box outer shield 2 have one supply terminal box to hold guard shield chamber 21.In the present embodiment, on the diapire of terminal box outer shield 2, offer a lead and introduce hole 23, this lead is introduced hole 23 also can be referred to as to connect the lead resigning hole, supplies to connect lead and introduces terminal box 11.Certainly; It is not definitely to be limited to the diapire that is opened in terminal box outer shield 2 that lead is introduced hole 23; For example also can be opened in appointing in the left and right wall body of terminal box outer shield 2 selects (is example with the shown position state) on the wall body, even can be opened on the roof of terminal box outer shield 2.But outer shield cover plate 3 cooperates with terminal box outer shield 2 with pluggable mode, uses terminal box outer shield 2 sealings that make this outer shield cover plate 3, promptly the terminal box 11 that is positioned at guard shield chamber 21 is covered and protects.
Fig. 1 please be continued to see in
, maintains space 111 between the inwall in the outer wall of aforesaid terminal box 11 and aforesaid guard shield chamber 21.In the present embodiment; Respectively constitute the prominent bar 22 of planting in the upper and lower (also can deserve to be called edge and lower edge) of a side of terminal box outer shield 2 outwards; More properly say; Respectively be extended with the prominent bar 22 of planting in the upper and lower of the opening of terminal box outer shield 2; Aforesaid outer shield cover plate 3 respectively constitutes the prominent bar groove 32 of planting towards the upper and lower of a side of terminal box outer shield 2 (also can deserve to be called edge and lower edge), the position of the prominent bar groove 32 of planting is corresponding with the prominent bar 22 of planting, and matches with the bar 22 of dashing forward planted.That is to say that the prominent bar groove 32 of planting is by prominent bar 22 compensation of planting.A side of guard shield cover plate 3 outwards promptly back to the surface of a side of terminal box outer shield 2 and along the long side direction of outer shield cover plate 3 from top to bottom or claim to constitute at interval from bottom to up radiating fin 31 outside; The self-evident effect of radiating fin 31 is the area of dissipations that increase outer shield cover plate 3; Use the heats that making in the guard shield chamber 21 and distribute to the external world, and the heats in the guard shield chamber 21 when mainly coming from 1 work of refrigerant compressor body conduction (transmissions) and distribute.Can reduce the temperature in guard shield chamber 21 significantly through the radiating fin 31 of design on the guard shield cover plate 3 outside, and then protection terminal box 11 and the temperature rise that can avoid increasing refrigerant compressor body 1 effectively.Preferably, outer shield cover plate 3 adopts aluminium extruded material extrusion forming, and during guard shield cover plate 3 moulding outside, the radiating fin 31 on it and the prominent bar groove 32 of planting are shaped thereupon.
The degree of depth of the prominent bar groove 32 of
plant and the height of the prominent bar 22 of aforesaid plant adapt, and the thickness of the width of the prominent bar groove 32 of planting and the prominent bar 22 of planting is complementary.
The height of
aforesaid radiating fin 31 is preferably 0.5-3 ㎜, is 0.8-2.5 ㎜ preferably, is 1-2 ㎜ better, is preferably 1.5 ㎜, and present embodiment is selected 1.5 ㎜.
Embodiment 2:
figure slightly; Adopt securing members such as self-plugging rivet or similar fasteners and refrigerant compressor body 1 to fix terminal box outer shield 2; Change the position of the prominent bar 22 of a pair of plant on the terminal box outer shield 2 into be formed in terminal box outer shield 2 and arranged on left and right sides (is example with the shown position state); To plant the simultaneously position of prominent bar groove 32 changes into and is formed in the and arranged on left and right sides of outer shield cover plate 3 towards a side of terminal box outer shield 2; And prominent bar is corresponding with planting, and so structure can guarantee that equally outer shield cover plate 3 cooperates with 2 plugs of terminal box outer shield.Because, be example with the shown position, the prominent bar 22 of a pair of plant among the embodiment 1 is laterally parallel, and embodiment 2 then is vertically parallel, and with example, the prominent bar groove 32 of a pair of plant among the embodiment 1 is laterally parallel, and embodiment 2 is vertically parallel.When the prominent bar groove 32 of planting shows as the situation of present embodiment 2, need at the endcapped of prominent bar groove 32 of planting, escape to avoid outer shield cover plate 3.All the other are all with the description to embodiment.
Embodiment 3:
figure slightly, radiating fin 31 along the Width of outer shield cover plate 3 from left to right or claim the right-to-left separation, so structure can play desirable radiating effect equally.Because with location status shown in Figure 1 is example, the radiating fin 31 among the embodiment 1 is horizontal, and embodiment 3 is longitudinally.All the other are all with the description to embodiment 1.
Vertical the above, technical scheme provided by the invention has remedied the terminal box 11 existing shortcomings in the prior art, has objectively embodied applicant's alleged technique effect in the technique effect hurdle, thereby to can yet be regarded as be a ultimate attainment technical scheme
Claims (9)
1. the terminal box of
a kind of refrigerant compressor is used protection mechanism; Described refrigerant compressor comprises a refrigerant compressor body (1); This refrigerant compressor body (1) comprises a terminal box (11); It is characterized in that described terminal box with protection mechanism comprise have one be used to supply the guard shield chamber (21) that said terminal box (11) holds a terminal box outer shield (2) and an outer shield cover plate (3); Terminal box outer shield (2) is fixing with refrigerant compressor body (1); And outer shield cover plate (3) cooperates with terminal box outer shield (2) plug; And to described guard shield chamber (21) sealing, constitute the radiating fin (31) of the area of dissipation that is used to increase outer shield cover plate (3) in a side of this guard shield cover plate (3) outward, described terminal box (11) is positioned at guard shield chamber (21) and fixes with refrigerant compressor body (1); Maintain space (111) around this terminal box (11) and between the inwall of guard shield chamber (21); Go up and respectively be extended with towards the upper and lower of a side of described outer shield cover plate (3) the prominent bar (22) of planting at described terminal box outer shield (2), and respectively constitute the prominent bar groove (32) of planting in the upper and lower of described outer shield cover plate (3) and in the position corresponding to the prominent bar (22) of said plant, this prominent bar groove (32) of planting plugs with the prominent bar (22) of planting and cooperates.
2. the terminal box of
refrigerant compressor according to claim 1 is used protection mechanism; The degree of depth that it is characterized in that the prominent bar groove (32) of described plant is suitable with the height of the prominent bar (22) of said plant, and the width of the prominent bar groove (22) of planting is suitable with the thickness of the prominent bar of planting.
3. the terminal box of
refrigerant compressor according to claim 1 is used protection mechanism, it is characterized in that offering a lead in the bottom of described terminal box outer shield (2) introduces hole (23).
4. the terminal box of
refrigerant compressor according to claim 1 is used protection mechanism, it is characterized in that the fixed form that described terminal box outer shield (2) and said refrigerant compressor (1) fix is that welding is fixed or fixed by means of securing member.
5. the terminal box of
refrigerant compressor according to claim 1 is used protection mechanism, it is characterized in that described radiating fin (31) is provided with along described outer shield cover plate (3) length direction at interval from top to bottom.
6. the terminal box of
refrigerant compressor according to claim 1 is used protection mechanism, it is characterized in that described radiating fin (31) is provided with along the Width of said outer shield cover plate (3) from left to right at interval.
7. protection mechanism is used according to the terminal box of claim 1 or 5 or 6 described refrigerant compressors in
, and the height that it is characterized in that described radiating fin (31) is 0.5-3 ㎜.
8. protection mechanism is used according to the terminal box of claim 1 or 4 described refrigerant compressors in
, and the material that it is characterized in that described terminal box outer shield (2) is identical with the case material of said refrigerant compressor body (1).
9.
Terminal box according to claim 1 or 5 or 6 described refrigerant compressors is used protection mechanism, and the material that it is characterized in that described outer shield cover plate (3) is the aluminium extruded material
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102834593A CN102387686B (en) | 2011-09-22 | 2011-09-22 | Protection mechanism for junction box of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102834593A CN102387686B (en) | 2011-09-22 | 2011-09-22 | Protection mechanism for junction box of refrigeration compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102387686A CN102387686A (en) | 2012-03-21 |
| CN102387686B true CN102387686B (en) | 2012-11-07 |
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ID=45826473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102834593A Active CN102387686B (en) | 2011-09-22 | 2011-09-22 | Protection mechanism for junction box of refrigeration compressor |
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| Country | Link |
|---|---|
| CN (1) | CN102387686B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997876A (en) * | 2014-05-04 | 2014-08-20 | 尤宏毅 | Controller of direct-cooling DC brushless compressor and heat dissipation method thereof |
| CN109769367A (en) * | 2017-11-09 | 2019-05-17 | 株洲中车时代电气股份有限公司 | A kind of vehicle-mounted cabinet |
| CN111927742B (en) * | 2020-07-14 | 2021-12-21 | 宁波速通汽配制造有限公司 | Protective shell of automobile air conditioner compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215911Y (en) * | 2008-05-20 | 2009-04-01 | 广州冷机股份有限公司 | Electrical equipment box of refrigeration compressor |
| CN101761978A (en) * | 2008-12-24 | 2010-06-30 | 珠海格力电器股份有限公司 | Outdoor unit of air conditioner |
| CN201656006U (en) * | 2010-03-16 | 2010-11-24 | 安徽美芝制冷设备有限公司 | Accessible refrigerator compressor junction box |
| CN202262149U (en) * | 2011-09-22 | 2012-05-30 | 常熟市天银机电股份有限公司 | Protection mechanism for junction box of refrigeration compressor |
-
2011
- 2011-09-22 CN CN2011102834593A patent/CN102387686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215911Y (en) * | 2008-05-20 | 2009-04-01 | 广州冷机股份有限公司 | Electrical equipment box of refrigeration compressor |
| CN101761978A (en) * | 2008-12-24 | 2010-06-30 | 珠海格力电器股份有限公司 | Outdoor unit of air conditioner |
| CN201656006U (en) * | 2010-03-16 | 2010-11-24 | 安徽美芝制冷设备有限公司 | Accessible refrigerator compressor junction box |
| CN202262149U (en) * | 2011-09-22 | 2012-05-30 | 常熟市天银机电股份有限公司 | Protection mechanism for junction box of refrigeration compressor |
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| CN102387686A (en) | 2012-03-21 |
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