CN201854526U - Electrical box for flammable refrigerant air-conditioning unit and application of electrical box - Google Patents
Electrical box for flammable refrigerant air-conditioning unit and application of electrical box Download PDFInfo
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- CN201854526U CN201854526U CN2010202334574U CN201020233457U CN201854526U CN 201854526 U CN201854526 U CN 201854526U CN 2010202334574 U CN2010202334574 U CN 2010202334574U CN 201020233457 U CN201020233457 U CN 201020233457U CN 201854526 U CN201854526 U CN 201854526U
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- box
- conditioning unit
- side plate
- electrical equipment
- mounting
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Abstract
The utility model discloses an electrical box for a flammable refrigerant air-conditioning unit, which is used to mount electrical parts. The electrical box comprises a mounting box, a side plate, a sealing cover, a mounting plate and a heat-exchange element, wherein the mounting box is matched with the side plate to form a cavity, the electrical parts are mounted on the mounting plate, the heat-exchange element and the mounting plate are arranged inside the cavity in sequence, and the sealing cover is used for sealing the mounting box. The electrical parts are sealed inside the electrical box, so as to eliminate the probability that the electrical parts are in contact with electric spark, ensure the temperature environment inside the electrical box within a safe range, prevent dust and other foreign matters from entering the electrical box, optimize the service environment and protect the people from the live parts. The utility model also discloses the application of the electrical box which is connected in series in the flammable refrigerant air-conditioning unit.
Description
[technical field]
The utility model relates to field of heating ventilation air conditioning, refers in particular to a kind of combustible refrigerant air-conditioning unit electrical appliance box and application thereof.
[background technology]
Freon is used to the cold-producing medium of air-conditioning the earliest, but because the average life span of freon in atmosphere reaches hundreds of years, so the major part of discharging is still stayed in the atmosphere, wherein major part still rests on the troposphere, and sub-fraction rises up into stratosphere.At the freon of troposphere quite stable, after rising enters stratosphere, under certain meteorological condition, can under the effect of intense UV rays, be decomposed, the chlorine atom that decomposition discharges constantly destroys ozone molecule with ozone meeting chain-react.Therefore; in order to protect ozone layer and control greenhouse effect; existing most freon refrigerants need substitute; the alternative refrigerant of environmental protection mainly contains natural refrigerant; such as R744, R290, R600a, R600, R717, R718 etc.; but R290, R600a, R600, R717 and R32 possess certain danger, such as flammable can be quick-fried, poisonous etc.
Therefore, use the natural environmental-protective cold-producing medium in order to advocate the air-conditioning unit, the safety problem in the time of must solving the application of air-conditioning unit comprises production, detects, uses and keeps in repair.Main safeguard procedures have: adopt explosion-proof components and parts, isolate the parts may produce spark etc. fully.But adopt explosion-proof components and parts, can improve the parts cost accordingly, and versatility is not high.
Therefore, the utility model provides a kind of combustible refrigerant air-conditioning unit electrical appliance box and application thereof, and it can isolate electrical component, and electrical component and cold-producing medium are isolated, and effectively prevents the explosive phenomenon of cold-producing medium preheating to take place.
[utility model content]
The purpose of this utility model is to provide a kind of combustible refrigerant air-conditioning unit electrical appliance box, and it can be applicable to traditional electrical component is installed, and has solved the inflammable and explosive hidden danger of electrical component, has prevented to cause danger when leaking from appearring in combustible refrigerant.
For realizing the utility model purpose, provide following technical scheme:
A kind of combustible refrigerant air-conditioning unit electrical appliance box, be used to install electrical component, this electrical equipment box includes: mounting box, side plate, seal cover and heat exchange element, this mounting box cooperates formation one cavity with this side plate, this heat exchange element is installed in this cavity, and the sealing lid is used to seal this mounting box.This electrical component is sealed in this electrical equipment box, stopped electric spark and the possibility that this electrical component contacts, guaranteed that the temperature environment in this electrical equipment box is in safe range, can also prevent that various dust foreign material from entering, optimize environment for use, prevent human body contact electrification parts.
Preferably, this mounting box has four faces, comprises bottom surface and three side plates that are connected, and cooperate with this side plate, the upper end of this side plate, side plate all is extended with sealing strip to the cavity outside, and the sealing lid also is extended with mating edge to its outside, and the sealing limit cooperates with this mating edge.
In order further to strengthen the sealing of this electrical equipment box, avoid cold-producing medium enter this electrical equipment box with and electric spark contacts, this electrical equipment box also comprises sealing ring, sealing circle and sealing limit, this electrical equipment box of this mating edge fitted seal.
It also includes the mounting panel that electrical component is installed, and this mounting panel is installed in the electrical equipment box, is positioned on the heat exchange element, and remains with spacing with heat exchange element.
Preferably, have the hole on the side plate of this mounting box, and be connected with draining valve, this draining valve can be used for manually discharging the condensed water that this electrical equipment box inside retains.
Preferably, this mounting box also includes at least two and crosses terminal, and it is located on the side plate of this mounting box., realize inside and outside the connection, and make forceful electric power can separate installation with light current.
What further optimize is that this is crossed and is marked with fluid sealant in the terminal, thereby finishes the sealing fully to this electrical equipment box.Alternative is that the heat exchange element of this electrical equipment box is: finned tube assembly heat exchange element or deflection plate heat exchange element.Finned tube assembly heat exchange mode heat exchange area is bigger, but the structure more complicated; And the hermetically-sealed construction of deflection plate heat exchange mode is fairly simple, but exchange capability of heat is poor, and this electrical equipment box is applicable to the heat exchange mode of various ways, has high generality, meets the different needs.
Preferably, when being applied to finned tube assembly heat exchange mode, this side plate is connected with this mounting box with this finned tube assembly and cooperates, and the import and export of this finned tube assembly is in rightabout, this finned tube assembly is realized location automatically after inserting this mounting box, can a step finish the installation of side plate and the installation of finned tube assembly.
Preferably, this electrical equipment box also comprises sealing plate, and the bottom that it is installed on this mounting box is used to seal this deflection plate.
The utility model also provides a kind of combustible refrigerant air-conditioning unit, this air-conditioning unit includes: compressor, cross valve, condenser, orifice union and evaporator, this is characterized in that, it also comprises above each described electrical equipment box, cross valve, condenser, orifice union and evaporator connect successively, one end of this compressor is connected with this cross valve, and the other end is connected with the electrical equipment box, and this cross valve also is connected with this evaporator and this electrical equipment box.
The beneficial effects of the utility model are:
Electrical component is isolated, make combustible refrigerant to enter, stop the possibility that electric spark is lighted cold-producing medium; Low-temperature low-pressure refrigerant coolant seal electrical equipment box guarantees that the environment for use temperature of electrical equipment box is in safe range; Seal cover electrical equipment box can prevent that various dusts and foreign material from entering, and optimizes environment for use, also can prevent human body contact electrification parts.
[description of drawings]
Fig. 1 is the structural representation of the utility model embodiment one mounting box;
Fig. 2 is the structural representation of the real finned tube assembly of the utility model;
Fig. 3 is the scheme of installation of the utility model finned tube assembly and mounting box;
Fig. 4 the utility model electrical equipment box installs the schematic diagram of mounting panel and sealing ring;
Fig. 5 seals the structural representation of the electrical equipment box that finishes for embodiment one;
Fig. 6 is for adopting the application drawing of electrical equipment box in air-conditioning system of finned tube assembly heat exchange mode;
Fig. 7 is the structural representation of the utility model embodiment two mounting boxs;
Fig. 8 installs the schematic diagram of side plate for the utility model sealing;
Fig. 9 the utility model electrical equipment box install sealing plate schematic diagram;
Figure 10 the utility model electrical equipment box installs the schematic diagram of mounting panel and sealing ring;
Figure 11 seals the structural representation of the electrical equipment box that finishes for the electrical equipment box of embodiment two;
Figure 12 is for adopting the application drawing of electrical equipment box in air-conditioning system of deflection plate heat exchange element.
[embodiment]
To shown in Figure 6, it has illustrated that adopting heat exchange element is the embodiment of finned tube assembly heat exchange element as Fig. 1.A kind of combustible refrigerant air-conditioning of the utility model unit electrical appliance box, it includes: mounting box 1, side plate 2 and seal cover 3, mounting panel 4 and finned tube assembly 5.This side plate 2 is located on this finned tube assembly 5, this mounting box 1 has four faces, wherein, three side plates 11 are end-to-end, this side plate 2 cooperates formation cavity 12 with this mounting box 1, this electrical component is installed on this mounting panel 4, and this finned tube assembly 5, this mounting panel 4 are installed in this cavity 12 successively, and 3 on sealing lid is used to seal this mounting box 1.
As shown in Figures 2 and 3.Preferably a kind of at embodiment, this side plate 2 is connected with this finned tube assembly 5, and cooperates with three side plates 11 of this mounting box 1, makes that finned tube assembly 5 is installed can be finished in a step with side plate 2 is installed, and implements no seam welding again, forms sealed cavity 12.
Continuation is referring to Fig. 1, the upper end of this side plate 2, this side plate 11 is extended with side plate sealing strip 21 and side plate sealing strip 13 to cavity 12 outsides respectively, sealing lid 3 also is extended with mating edge 31 (as shown in Figure 5) to its outside, this side plate sealing strip 21, and this side plate sealing strip 13 all cooperate with this mating edge 31.
As shown in Figure 4,, avoid combustible refrigerant to enter this electrical equipment box in order further to strengthen the sealing of this electrical equipment box, this side plate sealing strip 21, and side plate sealing strip 13 on be glued with sealing ring 6.After this finned tube assembly 5 is fixed with this mounting box 1, the mounting panel 4 that electrical component is installed in advance is installed in mounting box 1 inside is in finned tube assembly 5 tops, the suitable distance of middle reservation.Again with sealing lid 3, sealing circle 6, fixing with this mounting box 1.In the utility model, preferred fixed form fixedly secures mounting box 1 and seal cover 3 for adopting convenient easy-operating screw fixed form, therefore, when being adjacent to sealing circle 6, attention is with this side plate sealing strip 21, and this side plate sealing strip 13, the screw fixing hole that reaches on the sealing ring 6 are aimed at.
Continuation also is provided with osculum 14 referring to Fig. 1 on the side plate 11 of this mounting box 1, and this osculum 14 is connected with draining valve 15, manually discharges the condensed water that this mounting box 1 inside retains by this draining valve 15.The periphery of this mounting box 1 also is provided with two and crosses terminal 16, with this 1 inner and outside connection of mounting box, and forceful electric power light current is separated installation.This is crossed and is marked with fluid sealant (scheming not shown) in the terminal 16.After installing sealing lid 3, cross in the terminal 16 at this again and inject fluid sealant, thereby finish the sealing fully (as shown in Figure 5) of this electrical equipment box.
After the sealing of electrical equipment box is finished, as shown in Figure 6, it has illustrated the use application mode of this electrical equipment box in air-conditioning system, this air-conditioning unit includes: compressor 100, cross valve 200, condenser 300, orifice union 400, evaporator 500 and electrical equipment box 600, this cross valve 200, condenser 300, orifice union 400 and evaporator 500 connect successively, one end of this compressor 100 is connected with this cross valve 200, the other end is connected with electrical equipment box 600, and this cross valve 200 also is connected with this evaporator 500 and this electrical equipment box 600.
This air-conditioning unit is when refrigeration: cold-producing medium is compressed into the gas of HTHP by compressor 100, enter condenser 300 be in the cross valve 200 of closed condition by no power under the default situations after, cooling is condensed into the high-temperature liquid state cold-producing medium, by becoming the low-temp low-pressure liquid refrigerant behind the orifice union 400, enter the refrigerant gas that evaporator 500 evaporations heat up into low-temp low-pressure then, low-pressure channel by cross valve 200 enters this electrical equipment box 600, carry out cooling heat dissipation by several U type finned tubes (scheming not shown) for electrical equipment box 600, return compressor 100 then, carry out next one circulation.
When heating: cold-producing medium is compressed into the gas of HTHP by compressor 100, energising enters evaporator 500 after being in the cross valve 200 of open mode when being in closed condition and heating by no power under the default situations, cooling is condensed into the high-temperature liquid state cold-producing medium, by becoming the low-temp low-pressure liquid refrigerant behind the orifice union 400, enter the refrigerant gas that condenser 300 evaporations heat up into low-temp low-pressure then, low-pressure channel by the cross valve after opening 200 enters this electrical equipment box 600, carry out cooling heat dissipation by several U type finned tubes for this electrical equipment box 600, return compressor 100 then, carry out next one circulation.
Finned tube assembly heat exchange mode heat exchange area is bigger, but the structure more complicated; And the hermetically-sealed construction of deflection plate heat exchange mode is fairly simple, but exchange capability of heat is poor, and this electrical equipment box is applicable to the heat exchange mode of various ways, has high generality, meets the different needs.
To shown in Figure 11, it has illustrated that adopting heat exchange element is the embodiment of deflection plate heat exchange element utility model as Fig. 7.This electrical equipment box includes: mounting box 1a, side plate 2a and seal cover 3a, mounting panel 4a and deflection plate 5a.This side plate 2a is located on this deflection plate 5a, this mounting box 1a has four faces, wherein, three side plate 11a are end-to-end, this side plate 2a cooperates formation cavity 12a with this mounting box a1, this electrical component is installed on this mounting panel 4a, and this deflection plate 5a, this mounting panel 4a are installed in this cavity 12a successively, and sealing lid 3a then is used to seal this mounting box 1a.
Continuation is referring to Fig. 9, the upper end of this side plate 2a, this side plate 11a is extended with side plate sealing strip 21a and side plate sealing strip 13a to the cavity 12a outside respectively, sealing lid 3a also is extended with mating edge 31a (as shown in figure 11) to its outside, this side plate sealing strip 2a1, and this side plate sealing strip 13a all cooperate with this mating edge 31a.
As shown in figure 10,, avoid combustible refrigerant to enter this electrical equipment box in order further to strengthen the sealing of this electrical equipment box, this side plate sealing strip 21a, and side plate sealing strip 13a on be glued with sealing ring 6a.In the utility model, preferred fixed form is for adopting convenient easy-operating screw fixed form, mounting box 1a and seal cover 3a are fixedly secured, therefore, when being adjacent to sealing circle 6a, attention is with this side plate sealing strip 21a, and this side plate sealing strip 13a, the screw fixing hole that reaches on the sealing ring 6a are aimed at.
Continuation also is provided with osculum 14a referring to Fig. 8 on the side plate 11a of this mounting box 1a, and this osculum 14a is connected with draining valve 15a, manually discharges the condensed water that this mounting box 1a inside retains by this draining valve 15a.The periphery of this mounting box 1a also is provided with two and crosses terminal 16a, with this mounting box 1a inside and outside the connection, and forceful electric power light current is separated installation.This is crossed and is marked with fluid sealant (scheming not shown) among the terminal 16a.After installing sealing lid 3a, cross among the terminal 16a at this again and inject fluid sealant, thereby finish the sealing fully (as shown in figure 11) of this electrical equipment box.
Different with embodiment one is, in the bottom of mounting box 1a deflection plate 5a is installed, this side plate of sealing 2a is provided with the inlet pipe 20a of cold-producing medium and goes out to manage 20b, this side plate 2a and this mounting box 1a do not have seam welding equally, on this deflection plate 5a, sealing plate 7a is installed, and made terminal 16a and inlet pipe 20a and went out to manage the top that 20b is positioned at sealing plate 7a.Afterwards, the mounting panel 4a that electrical component is housed in advance is installed again, posts sealing ring 6a, fix sealing lid 3a, cross among the terminal 16a at this again and inject fluid sealant, thereby finish the sealing fully of this electrical equipment box with screw.
After electrical equipment box sealing was finished, as shown in figure 12, it had illustrated the use mounting means of this electrical equipment box in air-conditioning system, and its series connection inserts the suction line of this air-conditioning system, and with this electrical equipment box and this cross valve 100a, compressor 200a is in series.Wherein, this cross valve 100a and this electrical equipment box, this compressor 200a, and evaporator be electrically connected (evaporator, condenser not shown) with condenser.
After the sealing of electrical equipment box is finished, as shown in figure 12, it has illustrated the use application mode of this electrical equipment box in air-conditioning system, this air-conditioning unit includes: compressor 100a, cross valve 200a, condenser 300a, orifice union 400a, evaporator 500a and electrical equipment box 600a, this cross valve 200a, condenser 300a, orifice union 400a and evaporator 500a connect successively, the end of this compressor 100a is connected with this cross valve 200a, the other end is connected with electrical equipment box 600a, and this cross valve 200a also is connected with this evaporator 500a and this electrical equipment box 600a.The operation principle of described this unit of present embodiment when freezing or heating is similar to the operation principle of embodiment one, so do not repeat them here.
The above only is preferred embodiment of the present utility model, and protection range of the present utility model is not limited thereto, and anyly all belongs within the utility model protection range based on the equivalent transformation on the technical solutions of the utility model.
Claims (10)
1. combustible refrigerant air-conditioning unit electrical appliance box that is used to install electrical component, it is characterized in that, this electrical equipment box includes: mounting box, side plate, seal cover and heat exchange element, this mounting box cooperates formation one cavity with this side plate, this heat exchange element is installed in this cavity, and the sealing lid is used to seal this mounting box.
2. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1, it is characterized in that, this mounting box has four faces, comprise bottom surface and three side plates that are connected, and cooperate with described side plate, the upper end of this side plate, side plate all is extended with sealing strip to the cavity outside, and the sealing lid also is extended with mating edge to its outside, and the sealing limit cooperates with this mating edge.
3. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1 is characterized in that this electrical equipment box also comprises sealing ring, sealing circle and sealing limit, this electrical equipment box of this mating edge fitted seal.
4. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1 is characterized in that having osculum on the side plate of this mounting box, and is connected with draining valve.
5. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1 is characterized in that, this mounting box also includes at least two and crosses terminal, and it is located on the side plate of this mounting box, and this is crossed and is marked with fluid sealant in the terminal.
6. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1 is characterized in that, it also includes the mounting panel that electrical component is installed, and this mounting panel is installed in the electrical equipment box, is positioned on the heat exchange element, and remains with spacing with heat exchange element.
7. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 1 is characterized in that the heat exchange element of this electrical equipment box is: finned tube assembly heat exchange element or deflection plate heat exchange element.
8. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 7 is characterized in that this side plate is connected with this finned tube assembly, and with this mounting box aggregate erection, and the import and export of this finned tube assembly is in rightabout.
9. combustible refrigerant air-conditioning unit electrical appliance box as claimed in claim 7 is characterized in that this electrical equipment box also comprises sealing plate, and the bottom that it is installed on this mounting box is used to seal this deflection plate.
10. air-conditioning unit, this air-conditioning unit includes: compressor, cross valve, condenser, orifice union and evaporator, it is characterized in that, it also comprises as each described combustible refrigerant air-conditioning unit electrical appliance box of claim 1 to 9, cross valve, condenser, orifice union and evaporator connect successively, one end of this compressor is connected with this cross valve, and the other end is connected with the electrical equipment box, and this cross valve also is connected with this evaporator and this electrical equipment box other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202334574U CN201854526U (en) | 2010-06-21 | 2010-06-21 | Electrical box for flammable refrigerant air-conditioning unit and application of electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202334574U CN201854526U (en) | 2010-06-21 | 2010-06-21 | Electrical box for flammable refrigerant air-conditioning unit and application of electrical box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201854526U true CN201854526U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202334574U Expired - Fee Related CN201854526U (en) | 2010-06-21 | 2010-06-21 | Electrical box for flammable refrigerant air-conditioning unit and application of electrical box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201854526U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883570A (en) * | 2011-07-11 | 2013-01-16 | 珠海格力电器股份有限公司 | Sealed electrical box and dehumidifier with same |
| CN104896575A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | air conditioner indoor unit and air conditioner |
| CN105517417A (en) * | 2015-12-25 | 2016-04-20 | 珠海格力电器股份有限公司 | Compressor electrical apparatus box and have its compressor |
| CN107238186A (en) * | 2017-07-03 | 2017-10-10 | 珠海格力电器股份有限公司 | Electrical apparatus box and have its indoor set and air conditioner |
| CN110657564A (en) * | 2019-09-26 | 2020-01-07 | 珠海格力电器股份有限公司 | Waterproof electric cabinet and air conditioner indoor unit |
-
2010
- 2010-06-21 CN CN2010202334574U patent/CN201854526U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883570A (en) * | 2011-07-11 | 2013-01-16 | 珠海格力电器股份有限公司 | Sealed electrical box and dehumidifier with same |
| CN102883570B (en) * | 2011-07-11 | 2015-04-29 | 珠海格力电器股份有限公司 | Sealed electrical box and dehumidifier with same |
| CN104896575A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | air conditioner indoor unit and air conditioner |
| CN104896575B (en) * | 2014-03-05 | 2018-05-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN105517417A (en) * | 2015-12-25 | 2016-04-20 | 珠海格力电器股份有限公司 | Compressor electrical apparatus box and have its compressor |
| CN105517417B (en) * | 2015-12-25 | 2018-07-17 | 珠海格力电器股份有限公司 | Compressor electrical apparatus box and have its compressor |
| CN107238186A (en) * | 2017-07-03 | 2017-10-10 | 珠海格力电器股份有限公司 | Electrical apparatus box and have its indoor set and air conditioner |
| CN110657564A (en) * | 2019-09-26 | 2020-01-07 | 珠海格力电器股份有限公司 | Waterproof electric cabinet and air conditioner indoor unit |
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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: 20110601 Termination date: 20160621 |