CN2750075Y - Hermetic electric compressor - Google Patents
Hermetic electric compressor Download PDFInfo
- Publication number
- CN2750075Y CN2750075Y CN 200420117684 CN200420117684U CN2750075Y CN 2750075 Y CN2750075 Y CN 2750075Y CN 200420117684 CN200420117684 CN 200420117684 CN 200420117684 U CN200420117684 U CN 200420117684U CN 2750075 Y CN2750075 Y CN 2750075Y
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- China
- Prior art keywords
- seal container
- conductive pin
- hole
- sealed electrical
- diameter
- 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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- Applications Or Details Of Rotary Compressors (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model relates to a hermetic electric compressor which can prevent an electric conduction pin (16) from flying out a glass terminal (15) when a glass hole sealing part (18) is damaged. The utility model is provided with a circular disc-shaped protrusion part (21) at the center of the electric conduction pin (16), and the outer diameter of the circular disc-shaped protrusion part (21) is greater than the inner diameter of a hole on a base plate (17) arranged on the glass terminal (15). Accordingly, the electric conduction pin (16) can be prevented from outwards flying out because of the inner pressure of a hermetic container (11), and accordingly, cold air mediums in the hermetic container (11) can be prevented from ejecting to towards the exterior.
Description
Technical field
The utility model relates to the sealed electrical compressor of the compressing member that has electric element in the seal container and driven by electric element.
Background technique
At present, this sealed electrical compressor has electric element and circulation (rotary) compressing members such as motor.Electric element constitutes by being located at induction motor in the seal container or direct current motor etc., by being assemblied in terminal in the seal container for power supply power and turn round.Compressing member obtains power and is driven from electric element, and refrigerant is compressed.
In recent years, have higher reliability and longer durability for making sealed electrical compressor, people have made various improvement to this.And power supply also is a big problem with the insulation of the flexible terminal joint of glass terminal and motor lead line.
Fig. 9 is the sectional drawing of existing sealed electrical compressor.Figure 10 is the sectional drawing that is used for the glass terminal of existing sealed electrical compressor.Seal container 1 is built-in compressing member 2 and motor 3.Motor 3 is by 4 conductive pins 6 that are connected in the glass terminal 5 that go between.Glass terminal 5 has conductive pin 6, substrate 7 and glass sealing of hole portion 8, and is sealed in the through hole that is fixed on seal container 1.And, have the spring connection terminal (not shown) that inserts in the Line concentrator 9 (cluster) at lead-in wire 4 the front end that deviates from motor side.Spring connection terminal passes through the through hole of Line concentrator 9, is pressed into to be fixed on the conductive pin 6.
In the sealed electrical compressor of said structure,, apply voltage rating, drive motor 3 for motor 3 through conductive pin 6 and lead-in wire 4 from the outside of seal container 1.By motor 3 drive compression elements 2, suck and the compression work refrigerant again.
Spy at Japan Patent opens in the flat 5-256261 communique, has disclosed this existing sealed electrical compressor.
Yet, in said structure, with conductive pin 6 and spring connection terminal be pressed into the joint adjacency other be pressed into joint and can not isolate with the lubricant oil insulation of enclosing in the seal container 1.Therefore, the iron powder that swims in the lubricant oil, copper powder, minor amount of water are graded and are caused sparking or electric leakage between the adjacent conductive pin 6 easily.As a result, just might cause the breakage of glass sealing of hole portion 8 because of the internal pressure in the seal container 1.Glass sealing of hole portion 8 is in case damaged, conductive pin 6 outside that will fly out because of the internal pressure in the seal container 1.And the cold air medium of seal container 1 inside also can flow out to the outside.
The model utility content
Sealed electrical compressor of the present utility model has: seal container is built in the motor and the compressing member of seal container inside, and connects seal container and fixing power supply glass terminal.Motor is by being driven through glass terminal institute power supply power, with the drive compression element.The glass terminal has: periphery is fixed on the substrate on the seal container part; Be fixed on conductive pin in the hole of being located on the substrate with insulation.Conductive pin has the jut greater than the hole internal diameter.
Description of drawings
Fig. 1 is the sectional drawing of the sealed electrical compressor of the utility model mode of execution 1;
Fig. 2 is the sectional drawing of used glass terminal in the sealed electrical compressor shown in Figure 1;
Fig. 3 is the generalized section of the substrate of the utility model mode of execution 2;
Fig. 4 is the generalized section of the conductive pin of the utility model mode of execution 3;
Fig. 5 is the generalized section of the glass terminal of the utility model mode of execution 4;
Fig. 6 is the generalized section of the glass terminal of the utility model mode of execution 5;
Fig. 7 is the generalized section of the glass terminal of the utility model mode of execution 6;
Fig. 8 is the generalized section of the glass terminal of the utility model mode of execution 7;
Fig. 9 is the generalized section of existing sealed electrical compressor;
Figure 10 is the generalized section of the existing used glass terminal of sealed electrical compressor.
Embodiment
Mode of execution 1
Fig. 1 is the sectional drawing of the sealed electrical compressor of the utility model mode of execution 1.Fig. 2 is the sectional drawing of used glass terminal in the sealed electrical compressor shown in Figure 1.In Fig. 1 and Fig. 2, seal container 11 is built-in compressing member 12 and as the motor 13 of electric element.Motor 13 14 is pressed into the conductive pin 16 that is connected in the glass terminal 15 by going between.Glass terminal 15 has conductive pin 16, substrate 17 and glass sealing of hole portion 18, and is sealed in the through hole that is fixed on seal container 11.And, have the spring connection terminal (not shown) that inserts in the Line concentrator 19 at the front end that lead-in wire 14 deviates from motor side.Spring connection terminal passes through the through hole of Line concentrator 19, is pressed into to be fixed on the conductive pin 16.
The following describes the action and the effect of the sealed electrical compressor of said structure.
From the outside of seal container 11,, apply voltage rating, drive motor 13 for motor 13 through conductive pin 16 and lead-in wire 14.Give compressing member 12, drive compression element 12 with the transmission of power of motor 13.Like this, suction and compression work refrigerant.
When sparking or electric leakage took place in seal container 11, the pressure in the seal container 11 can cause the destruction of glass sealing of hole portion 18.And make conductive pin 16 be subjected to making it to fly to the power of seal container 11 outsides.In the present embodiment, because of jut 21 contacts with end face 23, thereby can avoid conductive pin 16 seal container 11 outsides that fly out.In addition, because end face 24 is processed into even surface, so, in the contacting part formation sealing gland of end face 23 and end face 24.This sealing gland can prevent that the gas in the seal container 11 from escaping into the outside.
Mode of execution 2
With Fig. 3 mode of execution 2 is described.With the identical structure of identical symbolic representation and mode of execution 1.Fig. 3 is the generalized section of the substrate of mode of execution 2.In Fig. 3, substrate 17 is provided with hole 22, and this hole forms the sheet material bending.End face 23 is the face that joins with end face 24.Because end face 23 is processed into even surface, therefore, when end face 23 contacts with end face 24, form sealing gland.
The following describes the action and the effect of the glass terminal 15 of said structure.
When sparking or electric leakage took place in the seal container 11, the pressure in the seal container 11 can damage glass sealing of hole portion 18.And make conductive pin 16 be subjected to making it to fly to the power of seal container 11 outsides.But, thereby can avoid conductive pin 16 seal container 11 outsides that fly out because jut 21 contacts with end face 23.In addition, because end face 23 is processed into even surface, so, at the tightness height of the contacting part of end face 23 and end face 24.Also therefore can prevent that gas from escaping into the outside.
In addition, the substrate 17 preferred cutting methods that adopt of present embodiment 2 form hole 22 and end face 23 by the club-shaped material cutting.
Mode of execution 3
Utilize Fig. 4 that mode of execution 3 is described.With identical symbolic representation and mode of execution 1 or 2 identical structures.Fig. 4 is the generalized section of the conductive pin of the utility model mode of execution 3.In Fig. 4, the cylindric disk 32 that conductive pin 16 has cylindric pin 31 and is positioned at pin 31 central authorities greater than the external diameter of the internal diameter in hole 22.Pin 31 and disk 32 utilizes welding or method such as be pressed into is fixed, and forms the jut 21 of conductive pin 16.In addition, end face 23 and end face 24 all are processed into smooth surface.
The following describes the action and the effect of the glass terminal 15 of said structure.
When using the glass terminal 15 of the conductive pin 16 that adopts present embodiment 3, can reach and the effect and the effect that act on shown in above-mentioned mode of execution 1 and 2, effect is identical.
In addition, the pin 31 and the disk 32 that constitute conductive pin 16 are simple shape, can both or straightforward procedure such as be pressed into welding and make conductive pin 16.Like this, not only be easy to make, and can also reduce manufacture cost.
Mode of execution 4
Utilize Fig. 5 that mode of execution 4 is described.With the identical structure of identical symbolic representation and mode of execution 1,2,3.Fig. 5 is the side view of the conductive pin 16 of the utility model mode of execution 4.In Fig. 5, conductive pin 16 has about form near the central authorities the step-like pin 35 of the different part of two external diameters, and one of these two-part are that 36, one of the less parts of diameter are the bigger parts of diameter 37.The large-diameter portion 37 that external diameter is big is configured in the inboard of seal container 11.And have cylindric disk 32 greater than the external diameter of the internal diameter in hole 22, insert from the minor diameter 36 that the external diameter of step-like pin 35 is little.The disk 32 that inserts terminates in and forms the minor diameter 36 of step-like pin 35 and the contacted position of step surface that large-diameter portion 37 is had a common boundary.By being pressed into or method such as one-sided spot welding is fixed on disk 32 on the step-like pin 35,, form projection 21 at step-like position.And end face 23 and end face 24 all are processed into smooth surface.
The following describes the action and the effect of the glass terminal of said structure.
When using the glass terminal 15 of the conductive pin 16 that adopts present embodiment 4, can reach and the effect and the effect that act on shown in above-mentioned mode of execution 1 and 2, effect is identical.
In addition, the stepped part of minor diameter 36 and large-diameter portion 37 can be born the impact force that conductive pin 16 flies out.Therefore, can reach and be enough to the withstand shock intensity of force.And owing to, therefore be easy to make, and can reduce manufacture cost by being pressed into or one-sided welding formation jut 21.
Mode of execution 5
Utilize Fig. 6 that mode of execution 5 is described.With the identical structure of identical symbolic representation and mode of execution 1,2,3,4.Fig. 6 is the sectional drawing of the glass terminal 15 of the utility model mode of execution 5.In Fig. 6, have the 1st curved part, it is in the inboard of seal container 11, conductive pin 16 is curved be 90 ° shape with the hole 22 of substrate 17.In addition, also can be and have, in position greater than the curved bel C of the internal diameter B in hole 22, crooked again 90 ° and the shape of the 2nd curved part that forms.
The following describes the action and the effect of the above-mentioned glass terminal of forming 15.
When sparking or electric leakage take place in seal container 11, because of the pressure in the seal container 11 destroys glass sealing of hole portion 18.And make conductive pin 16 be subjected to making it to fly to the power of seal container 11 outsides.But because the curved part that has greater than the conductive pin 16 of the curved bel C of the internal diameter B in hole 22 contacts with end face 23.Therefore, can prevent that conductive pin 16 from flying to the outside of seal container 11.
Mode of execution 6
Utilize Fig. 7 that mode of execution 6 is described.With the identical structure of identical symbolic representation and mode of execution 1,2,3,4,5.Fig. 7 is the sectional drawing of the glass terminal 15 of the utility model mode of execution 6.
With respect to the glass terminal 15 of above-mentioned mode of execution 1～5, the outside that the glass terminal 15 of mode of execution 6 is made the seal container 11 of conductive pin 16 is equipped with the glass terminal 15 of flag form terminal 41.
The glass terminal 15 of said structure can reach and the effect and the effect that act on shown in the utility model mode of execution 1～5, effect is identical.
And, because flag form terminal 41 is installed on the conductive pin 16, therefore can improves from external power supply (not shown) and power to the reliability of the contact of conductive pin 16.As a result, just can improve the reliability of giving motor 13 through conductive pin 16 power supplies.
Mode of execution 7
Utilize Fig. 8 that mode of execution 7 is described.With the identical structure of identical symbolic representation and mode of execution 1,2,3,4,5,6.Fig. 8 is the generalized section of the glass terminal 15 of the utility model mode of execution 7.
With respect to the glass terminal 15 of above-mentioned mode of execution 1～5, the glass terminal 15 of mode of execution 7 is made the inboard of closed unit 11 of conductive pin 16 and the glass terminal 15 that the outside all is equipped with flag form terminal 41.
The glass terminal 15 of said structure can reach and the effect and the effect that act on shown in the utility model mode of execution 1～5, effect is identical.
And, because flag form terminal 41 is installed on the conductive pin 16, therefore, can improves from external power supply (not shown) and power to the reliability of the contact of conductive pin 16.As a result, just can improve through conductive pin 16, the reliability of motor 13 is given in power supply.And, also improved the connection reliability of conductive pin 16 and lead-in wire 14, thereby further improved the reliability of giving motor 13 through conductive pin 16 power supplies.
Claims (8)
1. sealed electrical compressor, it has:
Seal container;
Be installed in the motor of described seal container inside;
Be located in the described seal container, by described electric motor driven compressing member; With
The power supply glass terminal of fixing described motor power supply to connecting described seal container;
It is characterized in that described glass terminal has: periphery is fixed on the substrate of described seal container part; Be fixed on conductive pin in the hole of being located on the described substrate with insulation,
Described conductive pin has the jut greater than the internal diameter in described hole.
2. sealed electrical compressor as claimed in claim 1 is characterized in that, described jut is the cylindric jut that forms one with described conductive pin.
3. sealed electrical compressor as claimed in claim 1 is characterized in that, the end face that is positioned at described seal container inside in described hole is a smooth surface.
4. sealed electrical compressor as claimed in claim 1 is characterized in that, described jut is, the method for utilizing welding or being pressed into is fixed on external diameter the jut of the central authorities of described conductive pin greater than the cylindric disk of the internal diameter in described hole.
5. sealed electrical compressor as claimed in claim 1 is characterized in that, described conductive pin has:
Have different minor diameter of diameter and large-diameter portion, described large-diameter portion is configured in the step-like pin of the inboard of described seal container; With
With the cylindric disk of external diameter greater than the internal diameter in described hole, insert from the described minor diameter of described step-like pin, be pressed into or the one-sided step-like locational jut that forms by described minor diameter and described large-diameter portion that is weldingly fixed on.
6. sealed electrical compressor as claimed in claim 1 is characterized in that, described conductive pin has:
In the inboard of described seal container, curve 90 ° the 1st curved part to a certain direction in described hole; With
In the position that forms greater than the curved bel of the internal diameter in described hole, crooked 90 ° and the 2nd curved part that forms.
7. as each described sealed electrical compressor in the claim 1～6, it is characterized in that, described conductive pin in the outside of described seal container, the flag form terminal is installed.
8. as each described sealed electrical compressor in the claim 1～6, it is characterized in that described conductive pin all is equipped with the flag form terminal in the outside and the inboard of described seal container.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003370399A JP2005133633A (en) | 2003-10-30 | 2003-10-30 | Hermetic electric compressor |
| JP2003370399 | 2003-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2750075Y true CN2750075Y (en) | 2006-01-04 |
Family
ID=34647423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117684 Expired - Fee Related CN2750075Y (en) | 2003-10-30 | 2004-11-01 | Hermetic electric compressor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005133633A (en) |
| CN (1) | CN2750075Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603460A (en) * | 2012-10-30 | 2015-05-06 | 松下知识产权经营株式会社 | Electric compressor |
| CN107304766A (en) * | 2016-04-25 | 2017-10-31 | 上海日立电器有限公司 | Compressor |
| CN107345513A (en) * | 2016-05-06 | 2017-11-14 | 上海日立电器有限公司 | Compressor |
| CN107345520A (en) * | 2016-05-06 | 2017-11-14 | 上海日立电器有限公司 | Compressor and its wiring mechanism |
| CN109937353A (en) * | 2017-10-16 | 2019-06-25 | 三菱重工发动机和增压器株式会社 | Vibration detection device and the uneven detection device for having vibration detection device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7513552B2 (en) | 2021-03-11 | 2024-07-09 | ショット アクチエンゲゼルシャフト | Airtight terminal connector and airtight terminal |
-
2003
- 2003-10-30 JP JP2003370399A patent/JP2005133633A/en active Pending
-
2004
- 2004-11-01 CN CN 200420117684 patent/CN2750075Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603460A (en) * | 2012-10-30 | 2015-05-06 | 松下知识产权经营株式会社 | Electric compressor |
| CN107304766A (en) * | 2016-04-25 | 2017-10-31 | 上海日立电器有限公司 | Compressor |
| CN107345513A (en) * | 2016-05-06 | 2017-11-14 | 上海日立电器有限公司 | Compressor |
| CN107345520A (en) * | 2016-05-06 | 2017-11-14 | 上海日立电器有限公司 | Compressor and its wiring mechanism |
| CN109937353A (en) * | 2017-10-16 | 2019-06-25 | 三菱重工发动机和增压器株式会社 | Vibration detection device and the uneven detection device for having vibration detection device |
| CN109937353B (en) * | 2017-10-16 | 2022-06-17 | 三菱重工发动机和增压器株式会社 | Vibration detection device and unbalance detection device provided with vibration detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005133633A (en) | 2005-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060104 Termination date: 20091201 |