CN207967924U - A kind of protective relaying device of electric system - Google Patents
A kind of protective relaying device of electric system Download PDFInfo
- Publication number
- CN207967924U CN207967924U CN201820455787.4U CN201820455787U CN207967924U CN 207967924 U CN207967924 U CN 207967924U CN 201820455787 U CN201820455787 U CN 201820455787U CN 207967924 U CN207967924 U CN 207967924U
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- China
- Prior art keywords
- conductive
- plate
- stainless steel
- steel cylinder
- conductive plate
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Abstract
The utility model discloses a kind of protective relaying devices of electric system; including heat-conducting plate; a stainless steel cylinder is provided on heat-conducting plate; it is sealed by sealing plate one end of stainless steel cylinder; it is internally provided with piston; piston slidingly and sealingly coordinates with stainless steel cylinder, and mercury is provided in the stainless steel cylinder between piston and sealing plate, and piston is connected with aluminium bar；Aluminium bar, which is located on one end end face except stainless steel cylinder, is provided with felt pad, and conductive sheet is provided on felt pad, and the both ends of conductive sheet are provided with conductive rod on the side close to aluminium bar；One end of heat-conducting plate is provided with the first connector lug, the other end is provided with the second connector lug, first connector lug is connected with the first conductive plate, second connector lug is connected with the second conductive plate, and the conductive rod at conductive sheet both ends extends through the first conductive plate and the second conductive plate and is slidably matched with the first conductive plate and the second conductive plate.The present apparatus is simple in structure, and size can be controlled in smaller range, and manufacturing cost is low, and protecting effect is good.
Description
Technical field
The utility model belongs to field of electrical equipment, especially a kind of protective relaying device of electric system.
Background technology
Protective relaying device refers to force device (such as generator, circuit) or the electric system itself worked as in electric system
It when failure has occurred jeopardizing safe operation of power system, can in time send warning signal to operator, or directly
Trip signal is sent out to the breaker controlled to terminate a kind of automation measure and the equipment of the development of these events.Relay protection
Device may be implemented electric system automation and remote operation and it is industrial automatically control, such as automatic reclosing, standby
Electricity consumption source automatically engages, is remotely controlled, telemetering etc..
The failure-frequency of protective relaying device and its operating temperature are closely bound up.Such as Inverter, when temperature increases
At 10 DEG C, the service life of major power element reduces 50%.Existing protective relaying device can refer to application No. is
201410495492.6 application for a patent for invention, this protective device it is complicated, it is of high cost.
Utility model content
The purpose of this utility model is to provide a kind of relay protection of compact, electric system simple in structure dresses
It sets.
What the purpose of this utility model was realized in：A kind of protective relaying device of electric system, including heat-conducting plate, institute
It states and is provided with a stainless steel cylinder on a side of heat-conducting plate, one end of stainless steel cylinder is sealed by sealing plate, is internally provided with work
Plug, the piston slidingly and sealingly coordinate with stainless steel cylinder, and mercury is provided in the stainless steel cylinder between the piston and sealing plate,
And piston is connected with aluminium bar, the aluminium bar extends to except stainless steel cylinder；The aluminium bar is located at one end end except stainless steel cylinder
It is provided with felt pad on face, conductive sheet is provided on the felt pad, the both ends of the conductive sheet are on the side close to aluminium bar
It is provided with conductive rod；One end of the heat-conducting plate is provided with the first connector lug, and the other end is provided with the second connector lug, and described first
Connector lug is connected with the first conductive plate, and the second connector lug is connected with the second conductive plate, the conductive rod difference at conductive sheet both ends
It is slidably matched through the first conductive plate and the second conductive plate and with the first conductive plate and the second conductive plate.
Further, the felt pad is potsherd.
Further, one group of mounting hole is provided on the heat-conducting plate.
Further, the heat-conducting plate is aluminium sheet, and surface is covered with alumina layer.
Further, further include protective cover, the protective cover, covering stainless steel cylinder, aluminium bar, conductive sheet, conductive rod, first
Conductive plate and the second conductive plate.
Further, the conductive sheet, conductive rod, the first conductive plate and the second conductive plate are copper alloy.
The utility model has the beneficial effects that：The present apparatus is simple in structure, and size can be controlled in smaller range, be manufactured into
This is low, in use, by heat-conducting plate by present apparatus integral installation on electrical device, electrical device generates heat when working, mercury by
It thermally expands, piston and aluminium bar movement, aluminium bar is pushed to push conductive sheet to move again, conductive sheet drives conductive rod synchronizing moving, conductive
The displacement distance of stick and the temperature of electrical device are proportionate, when the heat that electrical device generates exceeds normal value, conductive rod
It is detached from from the first conductive plate and the second conductive plate, whole device is cut off, electrical device power-off, the problem of can preventing electrical device
Further deteriorate.
Description of the drawings
Fig. 1 is the appearance schematic front view of the utility model；
Fig. 2 is the schematic cross-sectional view that the utility model removes protective cover.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1 and Fig. 2, a kind of protective relaying device of electric system of the utility model, including heat-conducting plate 1, lead
Hot plate 1 uses aluminium sheet, and weight is relatively light, and thermal coefficient is high, is conducive to improve heat transference efficiency, surface is covered with aluminium oxide
Layer, alumina layer insulation, can prevent from leaking electricity.It is provided with a stainless steel cylinder 2, stainless steel cylinder 2 on one side of the heat-conducting plate 1
One end sealed by sealing plate, be internally provided with piston 3, the piston 3 slidingly and sealingly coordinates with stainless steel cylinder 2, the work
It is provided with mercury 4 in stainless steel cylinder 2 between plug 3 and sealing plate, the coefficient of thermal expansion of mercury 4 is higher, volume incrementss when being heated
It is larger, it can effectively push piston 3 to move.Piston 3 is connected with aluminium bar 5, and the aluminium bar 5 extends to except stainless steel cylinder 2.It is described
Aluminium bar 5, which is located on one end end face except stainless steel cylinder 2, is provided with felt pad 6, felt pad 6 use potsherd, heat resistance and absolutely
Edge is all relatively good.Conductive sheet 7 is provided on the felt pad 6, the both ends of the conductive sheet 7 are on the side of aluminium bar 5
It is provided with conductive rod 8；One end of the heat-conducting plate 1 is provided with the first connector lug 9, and the other end is provided with the second connector lug 10, institute
It states the first connector lug 9 and is connected with the first conductive plate 11, the second connector lug 10 is connected with the second conductive plate 12,7 both ends of conductive sheet
The conductive rod 8 extends through the first conductive plate 11 and the second conductive plate 12 and is slided with the first conductive plate 11 and the second conductive plate 12
Dynamic cooperation.
In use, heat-conducting plate 1 to be mounted on to the suitable position of electrical device, pass through the first connector lug 9 and the second connector lug
10 are connected to the present apparatus between power supply and electrical device, even if electrical device is connected with the present apparatus, in this way when the present apparatus disconnects
Make, the power supply of electrical device can be cut off, electrical device is made to be stopped.Electrical device will produce heat in normal work, lead
Mercury 4 is transferred to by stainless steel cylinder 2 after the absorption heat of hot plate 1,4 expanded by heating of mercury pushes piston 3 and aluminium bar 5 to move, aluminium
Stick 5 drives conductive sheet 7 and conductive rod 8 to move, and the displacement distance of conductive rod 8 and the temperature of electrical device are proportionate, and work as electric power
When the temperature of device is more than normal value, conductive rod 8 moves longer distance, and is detached from the first conductive plate 11 and the second conductive plate
12, this sample device disconnects, and electrical device power-off is out of service.The present apparatus is simple in structure, and size can be controlled in smaller model
It encloses, manufacturing cost is low, and can be effectively protected electrical device.
It is provided with one group of mounting hole 13 on the heat-conducting plate 1, heat-conducting plate 1 can be mounted on electric power by when use by screw etc.
On the shell of device.
Further include protective cover 14, protective cover 14 uses insulating boot, such as heat-resisting plastics, and the protective cover 14, covering is not
Become rusty steel cylinder 2, aluminium bar 5, conductive sheet 7, conductive rod 8, the first conductive plate 11 and the second conductive plate 12, plays the role of protection.
The conductive sheet 7, conductive rod 8, the first conductive plate 11 and the second conductive plate 12 are copper alloy, excellent conductivity.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of protective relaying device of electric system, it is characterised in that：Including heat-conducting plate (1), one of the heat-conducting plate (1)
A stainless steel cylinder (2) is provided on side, one end of stainless steel cylinder (2) is sealed by sealing plate, is internally provided with piston (3), institute
It states piston (3) with stainless steel cylinder (2) slidingly and sealingly to coordinate, setting in stainless steel cylinder (2) of the piston (3) between sealing plate
There is mercury (4), and piston (3) is connected with aluminium bar (5), the aluminium bar (5) extends to except stainless steel cylinder (2)；The aluminium bar (5)
It is provided with felt pad (6) on one end end face except stainless steel cylinder (2), conductive sheet is provided on the felt pad (6)
(7), the both ends of the conductive sheet (7) are provided with conductive rod (8) on the side close to aluminium bar (5)；The one of the heat-conducting plate (1)
End is provided with the first connector lug (9), and the other end is provided with the second connector lug (10), and first connector lug (9) is connected with first
Conductive plate (11), the second connector lug (10) are connected with the second conductive plate (12), the conductive rod (8) point at conductive sheet (7) both ends
Not Guan Chuan the first conductive plate (11) and the second conductive plate (12) and with the first conductive plate (11) and the second conductive plate (12) sliding match
It closes.
2. a kind of protective relaying device of electric system according to claim 1, it is characterised in that：The felt pad (6)
For potsherd.
3. a kind of protective relaying device of electric system according to claim 1, it is characterised in that：The heat-conducting plate (1)
On be provided with one group of mounting hole (13).
4. a kind of protective relaying device of electric system according to claim 1, it is characterised in that：The heat-conducting plate (1)
For aluminium sheet, surface is covered with alumina layer.
5. a kind of protective relaying device of electric system according to claim 1, it is characterised in that：It further include protective cover
(14), the protective cover (14), covering stainless steel cylinder (2), aluminium bar (5), conductive sheet (7), conductive rod (8), the first conductive plate
(11) and the second conductive plate (12).
6. a kind of protective relaying device of electric system according to claim 1, it is characterised in that：The conductive sheet (7),
Conductive rod (8), the first conductive plate (11) and the second conductive plate (12) are copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455787.4U CN207967924U (en) | 2018-04-02 | 2018-04-02 | A kind of protective relaying device of electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820455787.4U CN207967924U (en) | 2018-04-02 | 2018-04-02 | A kind of protective relaying device of electric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967924U true CN207967924U (en) | 2018-10-12 |
Family
ID=63726806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820455787.4U Expired - Fee Related CN207967924U (en) | 2018-04-02 | 2018-04-02 | A kind of protective relaying device of electric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207967924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405690A (en) * | 2020-03-31 | 2020-07-10 | 宁波亚希尔电器有限公司 | PTC heater convenient to disassemble |
-
2018
- 2018-04-02 CN CN201820455787.4U patent/CN207967924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405690A (en) * | 2020-03-31 | 2020-07-10 | 宁波亚希尔电器有限公司 | PTC heater convenient to disassemble |
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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: 20181012 Termination date: 20190402 |