CN205752844U - There is the insert row of load priority management function - Google Patents
There is the insert row of load priority management function Download PDFInfo
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- CN205752844U CN205752844U CN201620594777.XU CN201620594777U CN205752844U CN 205752844 U CN205752844 U CN 205752844U CN 201620594777 U CN201620594777 U CN 201620594777U CN 205752844 U CN205752844 U CN 205752844U
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Abstract
The utility model discloses a kind of insert row with load priority management function, including plastic casing, two jacks and two relays it are equipped with in this housing, above-mentioned two jack is respectively the first jack and the second jack, above-mentioned two relay is respectively the first relay and the second relay, above-mentioned first relay is provided with the first contact, above-mentioned second relay is provided with the second contact, above-mentioned first relay controls the current switching of the first jack by the first contact, above-mentioned second relay controls the current switching of the second jack by the second contact, above-mentioned first relay is connected with above-mentioned second relay, above-mentioned second relay is parallel with the second short-circuit line, above-mentioned second short-circuit line is equipped with the second normally closed switch, above-mentioned second normally closed switch is connected with above-mentioned first contact.The beneficial effects of the utility model are: when loading excessive, it can cut off the current switching of each jack successively.
Description
Technical field
This utility model belongs to electrical accessorie technical field, be specifically related to a kind of have load priority management function insert
Row.
Background technology
The insert row used in daily life all only includes insert row body, the limit for tonnage rated value of such tradition insert row electric current
Have been set at certain value, when socket connect load value has exceeded the rated value of insert row itself, will appear from overload situations,
Circuit transships for a long time and probably occurs that insert row interior metal loop is blown or insulant high temperature melting, even burning apparatus
Or circuit, initiation fire.
Utility model content
The purpose of this utility model is to provide a kind of insert row with load priority management function, when load is excessive
Time, it can cut off the current switching of each jack successively.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of insert row with load priority management function, including plastic casing, is equipped with two jacks in this housing
With two relays, above-mentioned two jack is respectively the first jack and the second jack, and above-mentioned two relay respectively first continues
Electrical equipment and the second relay, above-mentioned first relay is provided with the first contact, and above-mentioned second relay is provided with the second contact, and above-mentioned
One relay controls the current switching of the first jack by the first contact, and above-mentioned second relay controls second by the second contact
The current switching of jack, above-mentioned first relay connects with above-mentioned second relay, and it is short that above-mentioned second relay is parallel with second
Route, above-mentioned second short-circuit line is equipped with the second normally closed switch, and above-mentioned second normally closed switch is connected with above-mentioned first contact.
Preferably, above-mentioned first relay is parallel with the first short-circuit line, and above-mentioned first short-circuit line is equipped with first and normally closed opens
Close.
Preferably, above-mentioned jack is respectively fitted with display lamp, and above-mentioned display lamp is for indicating the current switching of above-mentioned jack.
Preferably, being also equipped with the 3rd jack and the 3rd relay in above-mentioned housing, above-mentioned 3rd relay is provided with the 3rd
Contact, above-mentioned 3rd relay controls the current switching of the 3rd jack by the 3rd contact, and above-mentioned 3rd relay is parallel with the
Three short-circuit lines, above-mentioned 3rd short-circuit line is equipped with the 3rd normally closed switch, above-mentioned 3rd normally closed switch and above-mentioned second contact linkage
Connect.
Operation principle of the present utility model is: the corresponding display lamp of each jack on insert row housing, display lamp and its
Corresponding jack is in parallel, three relays of wired in series, and each relay controls the current switching of corresponding jack in order.When with
When electricity apparatus of load exceedes insert row rated power, the first relay is had an effect, and cuts off corresponding jack electric current, now inserts
Display lamp corresponding on hole extinguishes;Owing to three relays are to be cascaded, before the first relay is had an effect, go here and there behind
The relay of connection is in short-circuit condition, does not has an effect, and when the first contact adhesive of the first relay, triggering second is normally closed opens
Closing, the second normally closed switch will cut off the first relay and zero line, disconnect the electric current of the first jack, open the second relay simultaneously;
Other relay operation principles the like;
The beneficial effects of the utility model can be connect loading condition according to insert row by: this utility model, protects insert row, keeps away
Exempt from insert row and occurred that overload uses, so can protect electrical equipment and insert row, prevent burning apparatus or circuit, it is to avoid fire etc.
Unsafe condition, and when electrical equipment load exceedes insert row rated power, the jack on insert row can be broken by relay successively
Electricity, until jack load total value is less than insert row rated power, is so possible not only to ensure that insert row works in nominal value range, and
And the posterior jack of design can be allowed under conditions of not cutting off insert row power supply to be preferentially energized use.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is circuit diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this
Enclose.
The technical scheme that this utility model is embodied as is:
As depicted in figs. 1 and 2, a kind of insert row with load priority management function, including plastic casing 1, this housing 1
Inside being equipped with two jacks and two relays, above-mentioned two jack is respectively the first jack 31 and the second jack 32, and above-mentioned two
Individual relay is respectively the first relay and the second relay, and above-mentioned first relay is provided with the first contact, above-mentioned second relay
Device is provided with the second contact, and above-mentioned first relay controls the current switching of the first jack 31 by the first contact, and above-mentioned second continues
Electrical equipment controls the current switching of the second jack 32 by the second contact, and above-mentioned first relay is connected with above-mentioned second relay,
Above-mentioned second relay is parallel with the second short-circuit line, and above-mentioned second short-circuit line is equipped with the second normally closed switch 42, above-mentioned second normal
Make and break is closed 42 and is connected with above-mentioned first contact.
Above-mentioned first relay is parallel with the first short-circuit line, and above-mentioned first short-circuit line is equipped with the first normally closed switch 41.
Above-mentioned jack is respectively fitted with display lamp 2, and above-mentioned display lamp 2 is for indicating the current switching of above-mentioned jack.
Being also equipped with the 3rd jack 33 and the 3rd relay in above-mentioned housing 1, above-mentioned 3rd relay is provided with the 3rd contact,
Above-mentioned 3rd relay controls the current switching of the 3rd jack 33 by the 3rd contact, and it is short that above-mentioned 3rd relay is parallel with the 3rd
Route, above-mentioned 3rd short-circuit line is equipped with the 3rd normally closed switch 43, above-mentioned 3rd normally closed switch 43 and above-mentioned second contact linkage
Connect.
Operation principle of the present utility model is: the corresponding display lamp 2 of each jack on insert row housing 1, display lamp 2 with
The jack of its correspondence is in parallel, three relays of wired in series, and each relay controls the current switching of corresponding jack in order.When
When electrical equipment load exceedes insert row rated power, the first relay is had an effect, and cuts off corresponding jack electric current, now
Display lamp 2 corresponding on jack extinguishes;Owing to three relays are to be cascaded, before the first relay is had an effect, thereafter
The relay of face series connection is in short-circuit condition, does not has an effect, and when the first contact adhesive of the first relay, triggers second normally closed
Switch 42, the second normally closed switch 42 will cut off the first relay and zero line, and disconnect the electric current of the first jack 31, open second simultaneously
Relay;Other relay operation principles the like;
The beneficial effects of the utility model can be connect loading condition according to insert row by: this utility model, protects insert row, keeps away
Exempt from insert row and occurred that overload uses, so can protect electrical equipment and insert row, prevent burning apparatus or circuit, it is to avoid fire etc.
Unsafe condition, and when electrical equipment load exceedes insert row rated power, the jack on insert row can be broken by relay successively
Electricity, until jack load total value is less than insert row rated power, is so possible not only to ensure that insert row works in nominal value range, and
And the posterior jack of design can be allowed under conditions of not cutting off insert row power supply to be preferentially energized use.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvements and modifications, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (4)
1. an insert row with load priority management function, it is characterised in that include plastic casing, is equipped with in this housing
Two jacks and two relays, above-mentioned two jack is respectively the first jack and the second jack, and above-mentioned two relay is respectively
Being the first relay and the second relay, above-mentioned first relay is provided with the first contact, and above-mentioned second relay is provided with second and touches
Head, above-mentioned first relay controls the current switching of the first jack by the first contact, and above-mentioned second relay touches by second
Head controls the current switching of the second jack, and above-mentioned first relay is connected with above-mentioned second relay, and above-mentioned second relay is also
Being associated with the second short-circuit line, above-mentioned second short-circuit line is equipped with the second normally closed switch, and above-mentioned second normally closed switch touches with above-mentioned first
Head is connected.
The insert row with load priority management function the most according to claim 1, it is characterised in that above-mentioned first relay
Device is parallel with the first short-circuit line, and above-mentioned first short-circuit line is equipped with the first normally closed switch.
The insert row with load priority management function the most according to claim 2, it is characterised in that above-mentioned jack is respectively
Being equipped with display lamp, above-mentioned display lamp is for indicating the current switching of above-mentioned jack.
The insert row with load priority management function the most according to claim 3, it is characterised in that in above-mentioned housing also
Being equipped with the 3rd jack and the 3rd relay, above-mentioned 3rd relay is provided with the 3rd contact, and above-mentioned 3rd relay passes through the 3rd
Contact controls the current switching of the 3rd jack, and above-mentioned 3rd relay is parallel with the 3rd short-circuit line, above-mentioned 3rd short-circuit line assembling
The 3rd normally closed switch, above-mentioned 3rd normally closed switch is had to be connected with above-mentioned second contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620594777.XU CN205752844U (en) | 2016-06-18 | 2016-06-18 | There is the insert row of load priority management function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620594777.XU CN205752844U (en) | 2016-06-18 | 2016-06-18 | There is the insert row of load priority management function |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205752844U true CN205752844U (en) | 2016-11-30 |
Family
ID=57387032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620594777.XU Active CN205752844U (en) | 2016-06-18 | 2016-06-18 | There is the insert row of load priority management function |
Country Status (1)
Country | Link |
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CN (1) | CN205752844U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110233396A (en) * | 2019-07-03 | 2019-09-13 | 吕光华 | It is a kind of can antioverloading but also anti-power failure security protection insert row |
CN110783740A (en) * | 2019-09-26 | 2020-02-11 | 浙江工商职业技术学院 | Intelligent electric shock prevention safety socket and use method thereof |
CN111755869A (en) * | 2019-03-28 | 2020-10-09 | 青岛海尔洗衣机有限公司 | Intelligent socket and intelligent home system |
CN112072410A (en) * | 2020-08-21 | 2020-12-11 | 江苏扬航绳网带有限公司 | Socket, terminal equipment and system |
-
2016
- 2016-06-18 CN CN201620594777.XU patent/CN205752844U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111755869A (en) * | 2019-03-28 | 2020-10-09 | 青岛海尔洗衣机有限公司 | Intelligent socket and intelligent home system |
CN110233396A (en) * | 2019-07-03 | 2019-09-13 | 吕光华 | It is a kind of can antioverloading but also anti-power failure security protection insert row |
CN110783740A (en) * | 2019-09-26 | 2020-02-11 | 浙江工商职业技术学院 | Intelligent electric shock prevention safety socket and use method thereof |
CN112072410A (en) * | 2020-08-21 | 2020-12-11 | 江苏扬航绳网带有限公司 | Socket, terminal equipment and system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Cao Hu Industrial Park Xiangcheng District Chunxing Road Economic Development Zone in Suzhou city of Jiangsu Province, No. 58 215000 Patentee after: Suzhou Huaya intelligent Polytron Technologies Inc Address before: Cao Hu Industrial Park Xiangcheng District Chunxing Road Economic Development Zone in Suzhou city of Jiangsu Province, No. 58 215000 Patentee before: Suzhou Huaya Telecommunications Equipment Co., Ltd. |