CN212542880U - Power line with plug looseness detection function - Google Patents
Power line with plug looseness detection function Download PDFInfo
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- CN212542880U CN212542880U CN202021150885.0U CN202021150885U CN212542880U CN 212542880 U CN212542880 U CN 212542880U CN 202021150885 U CN202021150885 U CN 202021150885U CN 212542880 U CN212542880 U CN 212542880U
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Abstract
The utility model discloses a power line with the function of detecting the loosening of a plug, which comprises a female head and a conductive cable; the female head is provided with a plurality of jacks in an insulating end head, an indicator lamp is arranged on the insulating end head, a conductive block, a spring and an insulating block are arranged in the same jack, and a conductive loop is arranged in the insulating end head; the conductive loop is connected with two power terminals of the indicator light and is electrically communicated with two leads which can form a current loop in the conductive cable; the conductive loop is electrically connected through the conductive block when the spring is in a natural state, and is electrically isolated through the insulating block when the spring is in a compressed state. The utility model discloses a power cord can automatic luminous warning when the pine takes off the problem appear in its female head under the condition of switch on, reminds relevant personnel to notice. When the power line is applied to a multi-power-supply server, inspection personnel can easily find the loosened power line, and inspection efficiency is further improved.
Description
Technical Field
The utility model belongs to the technical field of the current transmission line, specifically speaking relates to a power cord with double plug.
Background
The power line is a cable for transmitting current, and a common current transmission method is point-to-point transmission. Current power cords can be classified into AC power cords and DC power cords according to the purpose.
Many existing ac electric devices are equipped with independent power lines, such as the common IEC 60320 power line. Such a power cord usually has two plugs, as shown in fig. 1, wherein one plug is a male plug 10 for plugging into a power socket to receive ac commercial power; the other plug is a female plug 20 for plugging electrical equipment. A conductive cable 30 is connected between the male connector 10 and the female connector 20, and is used for transmitting the ac mains power accessed by the male connector 10 to the female connector 20, so as to supply power to the electric equipment connected with the female connector 20.
In the actual use process of the double-head power cord, the female head 20 is often accidentally loosened. For a multi-power-supply server, as a plurality of power lines are usually plugged in one server, when any one power line has the problem of loose plug, the server is likely to operate abnormally. Because the plug is loose and is difficult to be visually and easily observed from the outside, inspection personnel are difficult to find, and then difficulty is brought to troubleshooting work, and troubleshooting efficiency is influenced.
Disclosure of Invention
An object of the utility model is to provide a power cord with plug pine takes off and detects function can appear under the condition of power cord switch on plug pine and take off automatic alarm when the problem to make clear of trouble place.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a power line with a plug loosening detection function comprises a female head and a conductive cable; the female head comprises an insulating end head, and a plurality of jacks are formed in the insulating end head; the conductive cable comprises a plurality of conducting wires, and different conducting wires are connected with different jacks; an indicator light, a conductive block, a spring, an insulating block and a conductive loop are arranged on the female head; the indicator light is arranged on the insulating end head and comprises two power supply terminals; the conductive block is arranged in one of the jacks and comprises an inner end face facing the bottom end of the jack and an outer end face facing the opening side of the jack; the spring and the conductive block are positioned in the same jack, one end of the spring is connected with the bottom end of the jack, and the other end of the spring is connected with the inner end face of the conductive block; the insulating block and the conductive block are positioned in the same jack and connected with the outer end face of the conductive block; the conductive loop is arranged in the insulating end head, is connected with two power terminals of the indicator lamp and is electrically communicated with two leads which can form a current loop; the conductive loop is electrically connected through the conductive block when the spring is in a natural state, and is electrically isolated through the insulating block when the spring is in a compressed state.
In some embodiments of the present application, the conductive loop is preferably made up of three parts, including a first conductive part, a second conductive part, and a third conductive part, respectively; wherein the head end of the first conductive part is connected with one of the power terminals of the indicator light, and the tail end of the first conductive part is electrically connected with one of the leads which can form a current loop; the head end of the second conductive part is connected with the other power terminal of the indicator light, and the tail end of the second conductive part is communicated with the jack where the conductive block is located; the head end of the third conductive part is communicated with the jack where the conductive block is positioned, and the tail end of the third conductive part is electrically communicated with another wire which can form a current loop; when the spring is in a natural state, the conductive block is respectively contacted with the tail end of the second conductive part and the head end of the third conductive part, the second conductive part and the third conductive part are conducted, and the electric conduction of the conductive loop is realized; when the spring is in a compressed state, the insulating block is respectively contacted with the tail end of the second conductive part and the head end of the third conductive part to isolate the second conductive part and the third conductive part, so that the electric isolation of the conductive loop is realized.
In some embodiments of the present application, the first conductive portion, the second conductive portion, and the third conductive portion may be wires embedded in the insulating terminal or may be conductive media laid in the insulating terminal.
In some embodiments of the present application, for an ac power line, three jacks, namely a live wire jack, a zero wire jack and a ground wire jack, are formed in an insulating end of the female terminal, and are correspondingly connected to a live wire, a zero wire and a ground wire in the conductive cable; the spring, the conductive block and the insulating block are preferably arranged in the ground wire jack, and the conductive loop is electrically communicated with the live wire and the zero wire respectively so as to improve the use safety of the power line.
In some embodiments of the present application, the opening depth of the ground jack on the insulating end is greater than the opening depth of the live jack and the zero jack on the insulating end, so as to facilitate the arrangement of the spring, the conductive block and the insulating block in the ground jack and the reliable insertion of the female connector on the electric equipment.
In some embodiments of this application, the power cord is the double-end power cord, still includes public head, public head includes insulating end and sets up a plurality of plugs on insulating end, a plurality of plugs pass through respectively different wires in the electrically conductive cable with a plurality of jacks of female head correspond the intercommunication.
For the alternating current power line, the double-end power line is provided with a live wire plug, a zero line plug and a ground wire plug on the insulating end head of the male end, and the live wire plug, the zero line plug and the ground wire plug are respectively communicated with the live wire jack, the zero line jack and the ground wire jack of the female end through the live wire, the zero line and the ground wire in the conductive cable.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a carry out the improved generation design of circuit and structure on the female head of power cord for the power cord can automatic luminous warning when the pine takes off the problem appear in its female head under the condition of switch on, reminds relevant personnel to notice. When the power line is applied to a multi-power-supply server, the specific position of the loose power line can be clearly indicated, so that inspection personnel can be guided to find out the fault in time, the fault can be eliminated, the inspection efficiency is improved, and the working intensity of the inspection personnel is reduced.
Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the invention, which is to be read in connection with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of one embodiment of a prior art dual-ended power cord;
fig. 2 is a schematic overall structure diagram of an embodiment of the dual-head power line of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the female head of FIG. 2 along the A-A direction;
FIG. 4 is a schematic diagram of one embodiment of the conductive block electrically contacting the conductive loop with the spring in its natural state;
FIG. 5 is a schematic diagram of an embodiment of an insulating block electrically isolating a conductive loop with a spring in a compressed state.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
It should be noted that in the description of the present invention, the terms "mounted," "connected," and "communicating" are to be construed broadly unless otherwise expressly specified or limited. For example, it may be a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 2, the power cord of the present embodiment is preferably a dual-head power cord, and includes a male head 10, a female head 20 and a conductive cable 30, wherein the male head 10 and the female head 20 are disposed at two ends of the conductive cable 30.
The male terminal 10 of the present embodiment includes an insulated terminal 11 and a plug 12 mounted on the insulated terminal 11. The number of plugs 12 may be two, three or four. In this embodiment, three plugs 12, namely a live plug, a neutral plug and a ground plug, are preferably disposed on the insulating end 11 for transmitting single-phase ac power.
The female terminal 20 of this embodiment includes an insulated terminal 21 and a receptacle 22 opened in the insulated terminal 21. The number of the insertion holes 22 may be two, three, or four. Preferably, this embodiment sets up three jack 22 on insulating end 21, is live wire jack L, zero line jack N head and ground wire jack E respectively, communicates with live wire plug, zero line plug and the ground wire plug electricity of public head 10 through live wire, zero line and the ground wire one-to-one in the electrically conductive cable 30 respectively.
In order to enable the power cord of the present embodiment to achieve an automatic alarm function when the female head 20 is loose, in the present embodiment, the indicator lamp 23 is disposed on the insulating end 21 of the female head 20, and the indicator lamp 23 is preferably installed on a side of the female head 20, which faces the electric device and has the insulating end 21 facing upward, as shown in fig. 2, after the female head 20 is plugged into the electric device, so that a relevant person can clearly and intuitively view a lighting state of the indicator lamp 23. And, a spring 24, a conductive block 25 and an insulating block 26 are provided in one of the insertion holes of the female 20, as shown in fig. 3. In addition, a conductive circuit whose conductive state is determined by the conductive block 25 is additionally provided in the insulating terminal 21 of the female terminal 20, as shown in fig. 4 and 5. The conductive loop is electrically connected to two power terminals of the indicator lamp 23 and electrically connected to two wires (which may be directly electrically connected to the two wires or indirectly electrically connected to the two wires through two jacks on the female connector 20) of the conductive cable 30, for example, electrically connected to a live wire and a zero wire in the conductive cable 30, and when the conductive loop is connected to the conductive block 25, ac power is supplied to the indicator lamp 23, so that the indicator lamp 23 is powered on and emits light.
As a preferred embodiment, the present embodiment preferably has the spring 24, the conductive block 25 and the insulating block 26 built in the ground insertion hole E of the female terminal 20, as shown in fig. 3. Wherein one end of the spring 24 is connected to the bottom end of the ground jack E (i.e., the end in a relative positional relationship with the opening side of the ground jack E), and the other end of the spring 24 is connected to the conductive block 25. One surface of the conductive block 25 facing the bottom end of the ground jack E is defined as an inner end surface of the conductive block 25, and one surface of the conductive block 25 facing the opening side of the ground jack E is defined as an outer end surface of the conductive block 25. The other end of the spring 24 is connected to an inner end face of the conductive block 25, and the insulating block 26 is connected to an outer end face of the conductive block 25. That is, the insulating block 26, the conductive block 25, and the spring 24 are arranged in this order from the outside to the inside with the opening side of the ground jack E as a reference, and the positional relationship is as shown in fig. 3.
As a preferred embodiment, the conductive circuit of the present embodiment is preferably formed by three conductive portions, i.e., a first conductive portion 27, a second conductive portion 28, and a third conductive portion 29, as shown in fig. 4 and 5. Each conductive part can be designed into a long strip shape, and two ends are respectively defined as a head end and a tail end.
Wherein the head end 27a of the first conductive part is connected to one of the power terminals of the indicator light 23 and the tail end 27b of the first conductive part is electrically connected to one of the two wires of the conductive cable 30, which may form a current loop, for example to the zero wire of the conductive cable 30. The head end 28a of the second conductive part is connected to another power terminal of the indicator lamp 23, and the tail end 28b of the second conductive part is connected to the ground jack E, for example, the tail end 28b is inserted into the ground jack E, and the length of the insertion can be determined according to the distance between the conductive block 25 and the inner wall of the ground jack E. The head end 29a of the third conductive part is communicated with the ground wire jack E, for example, the head end 29a is extended into the ground wire jack E, and the extending length can be determined according to the distance between the conductive block 25 and the inner wall of the ground wire jack E; and electrically connects the end 29b of the third conductive part to the other of the two conductors of the conductive cable 30 which may constitute a current loop, for example to the live conductor of the conductive cable 30.
When the male connector 10 of the power cord is plugged into the power socket, if the female connector 20 of the power cord is securely plugged into the electrical equipment, the plug of the electrical equipment will fully extend into the jack 22 of the female connector 20. At this time, the ground plug of the electric device pushes the insulating block 26 and the conductive block 25 in the ground jack E of the female connector 20 to move toward the bottom end of the ground jack E, and the spring 24 is compressed, as shown in fig. 5, so that the tail end 28b of the second conductive part and the head end 29a of the third conductive part are both in contact with the insulating block 26, the insulating block 26 cuts off the conductive loop, and the indicator lamp 23 is turned off and does not emit light.
When the female head 20 of the power cord has a problem of loosening, the spring 24 pushes the conductive block 25 and the insulating block 26 to move towards the opening side of the ground jack E under the action of elastic restoring force, as shown in fig. 4, the tail end 28b of the second conductive part and the head end 29a of the third conductive part are both contacted with the conductive block 25, and then the conductive loop is switched on through the conductive block 25, so that the indicator lamp 23 is electrified and emits light to give an alarm.
When the male connector 10 of the power line is not plugged into the power socket, the indicator lamp 23 is powered off and is in a non-luminous state no matter whether the female connector 20 of the power line is reliably plugged into the electric equipment or not.
In this embodiment, in order to arrange the spring 24, the conductive block 25 and the insulating block 26 in the ground jack E of the female head 20 and meet the design requirement thereof, the depth of the ground jack E needs to be increased, that is, the opening depth of the ground jack E on the insulating end 21 of the female head 20 is designed to be greater than the opening depth of the live jack L and the neutral jack N on the insulating end 21 of the female head 20, as shown in fig. 3, so as to facilitate the structural design. Of course, the spring 24, the conductive block 25 and the insulating block 26 may be internally disposed in other insertion holes of the female terminal 20, and the embodiment is not limited to the above example.
In fig. 3 to 5, the connection structure between the jack 22 and each wire in the conductive cable 30 is omitted, and this structure can keep the existing connection structure of the power cord unchanged, and this embodiment is not specifically described here.
As a preferred embodiment, the first conductive part 27, the second conductive part 28, and the third conductive part 29 of the present embodiment may be embedded in the insulating terminal 21 of the female connector 20 by using conventional conductive wires, or may be exclusively laid in the insulating terminal 21 of the female connector 20 by using other conductive media, which is not limited in the present embodiment.
After the power line of this embodiment is used on consumer, whether can indicate user's power line to insert firmly, whether can remind user's power line to loosen and take off in the equipment operation process to simplify the fault detection work, improve troubleshooting efficiency.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (7)
1. A power cord with plug loosening detection function, comprising:
the female head comprises an insulating end head, and a plurality of jacks are formed in the insulating end head;
the conductive cable comprises a plurality of conducting wires, and different conducting wires are connected with different jacks;
the connector is characterized in that the female connector is provided with:
an indicator light mounted on the insulating terminal, including two power terminals;
the conductive block is internally arranged in one of the jacks and comprises an inner end face facing the bottom end of the jack and an outer end face facing the opening side of the jack;
the spring and the conductive block are positioned in the same jack, one end of the spring is connected with the bottom end of the jack, and the other end of the spring is connected with the inner end face of the conductive block;
the insulating block and the conductive block are positioned in the same jack and connected with the outer end face of the conductive block;
the conductive loop is internally arranged in the insulating end head, is connected with two power terminals of the indicator lamp and is electrically communicated with two leads which can form a current loop; the conductive loop is electrically connected by the conductive block when the spring is in a natural state, and is electrically disconnected by the insulating block when the spring is in a compressed state.
2. The power cord with plug release detection function as claimed in claim 1, wherein said conductive loop includes:
a first conductive part, the head end of which is connected with one of the power terminals of the indicator light, and the tail end of which is electrically connected with one of the leads which can form a current loop;
the head end of the second conductive part is connected with the other power terminal of the indicator light, and the tail end of the second conductive part is communicated with the jack where the conductive block is located;
the head end of the third conductive part is communicated with the jack where the conductive block is positioned, and the tail end of the third conductive part is electrically communicated with another wire which can form a current loop;
when the spring is in a natural state, the conductive block is respectively contacted with the tail end of the second conductive part and the head end of the third conductive part, and the second conductive part and the third conductive part are conducted to realize the electrical conduction of the conductive loop; when the spring is in a compressed state, the insulating block is respectively contacted with the tail end of the second conductive part and the head end of the third conductive part to isolate the second conductive part and the third conductive part, so that the electric isolation of the conductive loop is realized.
3. The power cord with plug loosening detection function as claimed in claim 2, wherein the first conductive part, the second conductive part and the third conductive part are all wires or conductive media laid in the insulating end head.
4. The power cord with plug release detection function according to any one of claims 1 to 3,
three jacks are arranged in the insulating end head of the female head, are respectively a live wire jack, a zero line jack and a ground wire jack and are correspondingly connected with a live wire, a zero line and a ground wire in the conductive cable;
the spring, the conductive block and the insulating block are arranged in the ground wire jack, and the conductive loop is electrically communicated with the live wire and the zero wire respectively.
5. The power cord with plug loosening detection function as claimed in claim 4, wherein the opening depth of the ground wire jack on the insulating terminal is greater than the opening depths of the live wire jack and the neutral wire jack on the insulating terminal.
6. The power cord with plug loosening detection function as claimed in claim 4, wherein the power cord is a double-ended power cord, further comprising a male head, the male head comprising an insulating end head and a live wire plug, a neutral wire plug and a ground wire plug arranged on the insulating end head; the live wire plug, the zero line plug and the ground wire plug are correspondingly communicated with the live wire jack, the zero line jack and the ground wire jack of the female head respectively through the live wire, the zero line and the ground wire in the conductive cable.
7. The power cord with the plug loosening detection function according to any one of claims 1 to 3, wherein the power cord is a double-ended power cord, and further comprises a male head, the male head comprises an insulating end head and a plurality of plugs arranged on the insulating end head, and the plurality of plugs are respectively communicated with the plurality of jacks of the female head through different wires in the conductive cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150885.0U CN212542880U (en) | 2020-06-19 | 2020-06-19 | Power line with plug looseness detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150885.0U CN212542880U (en) | 2020-06-19 | 2020-06-19 | Power line with plug looseness detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212542880U true CN212542880U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150885.0U Expired - Fee Related CN212542880U (en) | 2020-06-19 | 2020-06-19 | Power line with plug looseness detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212542880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394102A (en) * | 2023-12-12 | 2024-01-12 | 福建泛蓝新能源科技有限公司 | Plug with opening or closing self-detection function and electric equipment |
-
2020
- 2020-06-19 CN CN202021150885.0U patent/CN212542880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394102A (en) * | 2023-12-12 | 2024-01-12 | 福建泛蓝新能源科技有限公司 | Plug with opening or closing self-detection function and electric equipment |
| CN117394102B (en) * | 2023-12-12 | 2024-03-05 | 福建泛蓝新能源科技有限公司 | Plug with opening or closing self-detection function and electric equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |