CN204361335U - A kind of supply socket with plug detection function - Google Patents
A kind of supply socket with plug detection function Download PDFInfo
- Publication number
- CN204361335U CN204361335U CN201520041178.0U CN201520041178U CN204361335U CN 204361335 U CN204361335 U CN 204361335U CN 201520041178 U CN201520041178 U CN 201520041178U CN 204361335 U CN204361335 U CN 204361335U
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- China
- Prior art keywords
- shell fragment
- jack
- phase line
- little
- control circuit
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of supply socket with plug detection function, the power supply circuits comprising jack body, be arranged at least one group of jack on jack body and be arranged in jack body, have a phase line jack and a zero line jack at least in each group jack, it is characterized in that: described power supply circuits comprise phase line, zero line, testing circuit and control circuit; Each phase line jack corresponding is provided with a pair large shell fragment, described large shell fragment is connected with phase line, each zero line jack corresponding is provided with the little shell fragment of two couple be disposed adjacent, wherein little a pair shell fragment is connected with zero line, another is connected with testing circuit little shell fragment, and two have clearance for insulation between the corresponding shell fragment of little shell fragment; The output of testing circuit is connected to control circuit, and control circuit comprises the relay controlling phase line break-make.The utility model does not need to arrange action component or transducer, and structure is simple, ensure that the reliability of work simultaneously.
Description
Technical field
The utility model relates to a kind of electric supply installation, is specifically related to the supply socket of the automatic test plug insert state of a kind of energy.
Background technology
Supply socket is used for powering to electrical appliance, usually, socket comprises two groups of shell fragments, two groups of shell fragments directly connect phase line and the zero line of civil power respectively, socket and civil power length are led to, and when after plug insertion socket, namely the civil power on socket flows into plug end load circuit, also can arrange three groups of shell fragments, the 3rd group of shell fragment is used for ground connection.When circuit is short-circuited, only has and just can carry out overload protection by air switch or fuse.If supply socket can be made to have plug detection function, the insert state of automatic test plug, so, more effectively can ensure the Electrical Safety of socket on the one hand, on the other hand, the function being also conducive to charge electric power system controls.
In prior art, for realizing the detection of plug state, usually adopt the means such as switch or infrared distance measurement.
Such as, publication number is that the Chinese invention patent of CN101414719A discloses a kind of safety socket, comprise a supply socket and a sense switch, sense switch comprises a connecting key, an elastomeric element, accesses terminal and and picks out terminal, below the fire line terminal that connecting key is placed on supply socket and zero terminal, elastomeric element is used for support and connection key, and DC power supply provides operating voltage by sense switch to control unit and relay and forms a DC loop.Relay is connected on the fire line terminal of supply socket, and control unit determines adhesive and the disconnection of relay according to the connected state of sense switch.This structure adopts the state of switch test plug, when plug inserts, promote connecting key make access terminal and pick out terminal conducting, when plug is extracted, elastomeric element makes connecting key reset, disconnect access terminal and pick out terminal, namely realize plug by mechanical movement and detect, there is the problems such as unreliable, wrong report.
Publication number is that the Chinese invention patent application of CN103236613A discloses a kind of supply socket, found range in real time by the range sensor being arranged on each group of jack place, control corresponding circuit breaker by control module according to testing result again and whether carry out work, to ensure the power supply safety of supply socket.This device arranges range sensor due to needs, and complex structure, cost are high, and meanwhile, range sensor needs to find range in real time, always in running order, both wastes energy, and also have impact on useful life and dependability.
Therefore, need to provide that a kind of structure is simple, the supply socket with plug detection function of reliable operation, to adapt to the work requirements of various power control system.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of supply socket with plug detection function, simply, reliably to realize the detection of plug.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of supply socket with plug detection function, the power supply circuits comprising jack body, be arranged at least one group of jack on jack body and be arranged in jack body, have a phase line jack and a zero line jack at least in each group jack, described power supply circuits comprise phase line, zero line, testing circuit and control circuit; Each phase line jack corresponding is provided with a pair large shell fragment, described large shell fragment is connected with phase line, each zero line jack corresponding is provided with the little shell fragment of two couple be disposed adjacent, wherein little a pair shell fragment is connected with zero line, another is connected with testing circuit little shell fragment, and two have clearance for insulation between the corresponding shell fragment of little shell fragment; The output of testing circuit is connected to control circuit, and control circuit comprises the relay controlling phase line break-make.
In technique scheme, two are arranged to little shell fragment by corresponding zero line jack, two pairs of submissile lamination insulations at ordinary times, testing circuit and zero line separated, when plug inserts, two to little shell fragment by plug conducting, testing circuit forms complete loops and obtains electric, output signal to control circuit, the adhesive of control circuit control relay, makes phase line conducting.Due to former zero line shell fragment is divided into two parts, do not need to arrange other action component or range sensor, therefore structure is simple.Meanwhile, testing circuit is connected with neutral side shell fragment and is not connected with phase line side shell fragment, therefore ensure that socket is not charged at ordinary times.
In technique scheme, the circuit structure that testing circuit can adopt any one of the prior art can output signal in energising situation.A kind of preferred simple form of structure is, described testing circuit comprises the light emitting source being connected in series in electric capacity between described little shell fragment and zero line, resistance, photoelectrical coupler, and the light-receiving device of photoelectrical coupler exports and is connected to described control circuit.
Further technical scheme, in described testing circuit, is connected in series with the first diode with the light emitting source of described photoelectrical coupler, with light emitting source and first diodes in parallel of described resistance, photoelectrical coupler, is provided with the second diode oppositely arranged.By the setting of two diodes, photoelectrical coupler is played a protective role.
In technique scheme, described control circuit can adopt the circuit of any one prior art that can receive the adhesive of detection signal control relay.Use in order to the detection of various Fare Collection System can be coordinated, preferred technical scheme, drive circuit, relay that described control circuit comprises single-chip microcomputer, is connected with the output port of single-chip microcomputer, the input circuit of described relay connects described drive circuit, and the output loop of described relay is connected in phase line.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The utility model, by zero line socket being disconnected the little shell fragment of two couples forming mutual insulating, achieves the detection to plug insert state, realizes conducting due to two between little shell fragment by plug, therefore, do not need to arrange action component or transducer, structure is simple, ensure that the reliability of work simultaneously.
Accompanying drawing explanation
Fig. 1 is that the shell fragment in the utility model embodiment arranges schematic diagram;
Fig. 2 is the testing circuit schematic diagram in embodiment;
Fig. 3 is the driving circuit principle figure in embodiment;
Fig. 4 is the workflow diagram of embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one: shown in Figure 1, a kind of supply socket with plug detection function, the power supply circuits comprising jack body, be arranged at least one group of jack on jack body and be arranged in jack body, have a phase line jack and a zero line jack at least in each group jack, described power supply circuits comprise phase line, zero line, testing circuit and control circuit; Each phase line jack corresponding is provided with a pair large shell fragment, described large shell fragment is connected with phase line, each zero line jack corresponding is provided with the little shell fragment of two couple be disposed adjacent, wherein little a pair shell fragment is connected with zero line, another is connected with testing circuit little shell fragment, and two have clearance for insulation between the corresponding shell fragment of little shell fragment.
In the present embodiment, as shown in Figure 2, described testing circuit comprises the light emitting source being connected in series in electric capacity between described little shell fragment and phase line input, resistance, the first diode, photoelectrical coupler; With light emitting source and first diodes in parallel of described resistance, photoelectrical coupler, be provided with the second diode oppositely arranged; The light-receiving device of photoelectrical coupler exports and is connected to described control circuit.Shown in Figure 1, the feeder ear of testing circuit is connected to the input of phase line.
Drive circuit, relay that described control circuit comprises single-chip microcomputer, is connected with the output port of single-chip microcomputer, as shown in Figure 3, the input circuit of described relay connects described drive circuit, and the output loop of described relay is connected between phase line input and large shell fragment.
During use, as shown in Figure 4, when there being plug to insert, two little shell fragments are connected, and testing circuit electric current flows through electric capacity by phase line, resistance, optocoupler form loop to shell fragment, optocoupler conducting, 4 pin of optocoupler become low level from high level originally, after the I/O port be attached thereto when single-chip microcomputer detects low level, attracting electric relay, now shell fragment electrically connects with city.
Claims (4)
1. one kind has the supply socket of plug detection function, the power supply circuits comprising jack body, be arranged at least one group of jack on jack body and be arranged in jack body, have a phase line jack and a zero line jack at least in each group jack, it is characterized in that: described power supply circuits comprise phase line, zero line, testing circuit and control circuit; Each phase line jack corresponding is provided with a pair large shell fragment, described large shell fragment is connected with phase line, each zero line jack corresponding is provided with the little shell fragment of two couple be disposed adjacent, wherein little a pair shell fragment is connected with zero line, another is connected with testing circuit little shell fragment, and two have clearance for insulation between the corresponding shell fragment of little shell fragment; The output of testing circuit is connected to control circuit, and control circuit comprises the relay controlling phase line break-make.
2. the supply socket with plug detection function according to claim 1, it is characterized in that: described testing circuit comprises the light emitting source being connected in series in electric capacity between described little shell fragment and phase line input, resistance, photoelectrical coupler, the light-receiving device of photoelectrical coupler exports and is connected to described control circuit.
3. the supply socket with plug detection function according to claim 2, it is characterized in that: in described testing circuit, the first diode is connected in series with the light emitting source of described photoelectrical coupler, with light emitting source and first diodes in parallel of described resistance, photoelectrical coupler, be provided with the second diode oppositely arranged.
4. the supply socket with plug detection function according to claim 1, it is characterized in that: drive circuit, relay that described control circuit comprises single-chip microcomputer, is connected with the output port of single-chip microcomputer, the input circuit of described relay connects described drive circuit, and the output loop of described relay is connected between phase line input and large shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041178.0U CN204361335U (en) | 2015-01-21 | 2015-01-21 | A kind of supply socket with plug detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041178.0U CN204361335U (en) | 2015-01-21 | 2015-01-21 | A kind of supply socket with plug detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204361335U true CN204361335U (en) | 2015-05-27 |
Family
ID=53262783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520041178.0U Withdrawn - After Issue CN204361335U (en) | 2015-01-21 | 2015-01-21 | A kind of supply socket with plug detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204361335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870687A (en) * | 2015-01-21 | 2016-08-17 | 苏州鑫来科技有限公司 | Power socket having plug detection function |
| CN107482398A (en) * | 2017-08-22 | 2017-12-15 | 安徽理工大学 | A kind of intrinsic safety type anti-electric shock socket |
| CN111009790A (en) * | 2019-12-31 | 2020-04-14 | 展讯通信（上海）有限公司 | Switching device and electronic equipment |
-
2015
- 2015-01-21 CN CN201520041178.0U patent/CN204361335U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870687A (en) * | 2015-01-21 | 2016-08-17 | 苏州鑫来科技有限公司 | Power socket having plug detection function |
| CN105870687B (en) * | 2015-01-21 | 2018-04-27 | 苏州鑫来科技有限公司 | A kind of power outlet with plug detection function |
| CN107482398A (en) * | 2017-08-22 | 2017-12-15 | 安徽理工大学 | A kind of intrinsic safety type anti-electric shock socket |
| CN111009790A (en) * | 2019-12-31 | 2020-04-14 | 展讯通信（上海）有限公司 | Switching device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150527 Effective date of abandoning: 20180427 |
|
| AV01 | Patent right actively abandoned |