CN101740953A - Socket device with hierarchical management of power supply - Google Patents

Socket device with hierarchical management of power supply Download PDF

Info

Publication number
CN101740953A
CN101740953A CN200810178263A CN200810178263A CN101740953A CN 101740953 A CN101740953 A CN 101740953A CN 200810178263 A CN200810178263 A CN 200810178263A CN 200810178263 A CN200810178263 A CN 200810178263A CN 101740953 A CN101740953 A CN 101740953A
Authority
CN
China
Prior art keywords
socket
group
power supply
socket group
hierarchical management
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.)
Granted
Application number
CN200810178263A
Other languages
Chinese (zh)
Other versions
CN101740953B (en
Inventor
李裕隆
郭明洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Powertech Industrial Co Ltd
Original Assignee
Powertech Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Powertech Industrial Co Ltd filed Critical Powertech Industrial Co Ltd
Priority to CN2008101782636A priority Critical patent/CN101740953B/en
Publication of CN101740953A publication Critical patent/CN101740953A/en
Application granted granted Critical
Publication of CN101740953B publication Critical patent/CN101740953B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to a socket device with hierarchical management of a power supply. A control signal is received from a far-end remote controller. The socket device comprises at least one socket, a communication module and a microprocessor, wherein the socket can be divided into a plurality of socket groups which comprise at least one uncontrollable socket group and at least one controllable socket group; the communication module is used for receiving the control signal; the microprocessor is coupled to the communication module and the socket groups; and the microprocessor hierarchically controls whether the controllable socket group supplies power or not according to the control signal. The socket device with the hierarchical management of the power supply allows a user to understand the range of required on/off areas clearly and provides the socket groups with various control sets for loads with different power-supply demands, so that the defect that the conventional remote-control socket cannot provide flexible power is solved.

Description

Socket device with hierarchical management of power supply
Technical field
The present invention relates to a kind of socket device, outstanding reference and a kind ofly can accept remote control and the socket device with hierarchical management of power supply of the socket group of various control set to the load of different power demands is provided with hierarchical management of power supply.
Background technology
With reference to figure 1, be the circuit block diagram of traditional remote control socket.Tradition remote control socket 1 is by the remote signal S1 of the 10 reception far-ends of the antenna on the RF receiver 11, and then, RF receiver 11 is delivered to decoder 12 with remote signal S1.12 couples of remote signal S1 of decoder decode, and give microprocessor 13 with decoded data S2 and carry out interpretation and confirm its correctness.If decoded data S2 mistake, then 13 of microprocessors are disregarded, otherwise, microprocessor 13 is promptly issued an order and is sent through transistor driver 14, to promote relay 15, make the contact switch 150 of relay 15 cause path or open circuit, and then the opening or closing of control apparatus articles for use 2.In addition, between electrical appliance 2 and power supply AC, the contact switch of relay 15 150 manual switches 16 also in parallel, this hand switch 16 can provide the operator under non-remote state, can manual operation remote control socket 1 open or close.
According to aforementioned, the straighforward operation mode of present traditional remote control socket 1 is accepted the remote control of single remote controller (not shown), only can control socket on it and power to electrical appliance 2 simultaneously or cut off the electricity consumption of electrical appliance 2 simultaneously.Yet the easy remote control mode of this kind allows electricity consumption not have elasticity, and can't satisfy the demand of user's electricity consumption.
In general family, the electricity consumption situation of electrical appliance roughly comprises: the electricity consumption that some electrical appliance of A. must continue, for example, refrigerator, water dispenser etc.B. some electrical appliance can be looked operating position and electricity consumption, for example, and screen, electric fan etc.C. in addition, the electricity consumption situation of some electrical appliance has the set relations of priority, for example, and screen and main frame, electric fan and air conditioner.Therefore, aforementioned conventional remote control socket 1 and can't be complete various power demands is provided.
So, invent one and can accept remote control, and the demand that various different electrical appliance electricity consumption situations are provided, expected by present industry in fact.
Summary of the invention
In sum, the socket device with hierarchical management of power supply that the invention provides preferred embodiment can be accepted the remote control of far-end one remote controller, and according to remote control, uses to the load of different power demands with the socket group that the various control set is provided.
The preferred embodiment of the present invention has the socket device of hierarchical management of power supply, receives a control signal from far-end one remote controller, and this socket device has comprised at least one socket, a communication module and a microprocessor.Wherein, described socket can be distinguished into a plurality of socket group, includes at least one uncontrollable socket group and at least one controllable socket group.Communication module is then in order to receive this control signal.Microprocessor is coupled to this communication module and described controllable socket group, and it is according to this control signal, and whether group powers in order to the described controllable socket of grading control.
The notion of the socket device utilization set group with hierarchical management of power supply of the preferred embodiment of the present invention, socket group on it is distinguished into three zones, and each distinguishes with different color, is respectively: can be according to circumstances by the a-quadrant color of remote control ON/OFF power supply, can by remote control immediately the B field color of ON/OFF power supply reach fully not by the C field color of remote control and continued power.
So, the socket device with hierarchical management of power supply of the preferred embodiment of the present invention can allow the clear understanding of user need the scope in ON/OFF zone, and provide the socket group of various control set to use, and then solve the shortcoming that traditional remote control socket can't provide the elasticity electricity consumption to the load of different power demands.
Above general introduction and ensuing detailed description are all exemplary in nature, are in order to further specify claim of the present invention.And relevant other objects and advantages of the present invention will be set forth in follow-up explanation and diagram.
Description of drawings
Fig. 1 is the circuit block diagram of traditional remote control socket;
Fig. 2 is the circuit block diagram of the socket device with hierarchical management of power supply of the preferred embodiment of the present invention;
Fig. 3 uses schematic diagram for the socket device with hierarchical management of power supply of the preferred embodiment of the present invention; And
Fig. 4 uses schematic diagram for the socket device with hierarchical management of power supply of another preferred embodiment of the present invention;
And the description of reference numerals in the above-mentioned accompanying drawing is as follows:
Known:
Remote control socket 1
Antenna 10
RF receiver 11
Decoder 12
Microprocessor 13
Transistor driver 14
Relay 15
Contact switch 150
Hand switch 16
Electrical appliance 2
Remote signal S1
Decoded data S2
Power supply AC
The present invention:
Socket device 3,3 ' with hierarchical management of power supply
Socket 30
The 30a of socket group, 30b, 30c
Attaching plug 31
Communication module 32
Extended line 33
Microprocessor 34
Body 35
Power supply changeover device 36
Surge protecting circuit 37
Diverter switch 38
Emi protection circuit 39
Control signal S1
Switch SW 1, SW2
Alternating electromotive force AC
Direct current power DC
Remote controller 4
Operation push- button 40a, 40b
Embodiment
With reference to figure 2, Fig. 2 is the circuit block diagram of the socket device with hierarchical management of power supply of the preferred embodiment of the present invention.Wherein, the socket device 3 with hierarchical management of power supply includes at least one socket 30, a communication module 32 and a microprocessor 34.Described socket 30 can be distinguished into a plurality of socket group, and in this preferred embodiment, with three 30a of socket group, 30b, 30c as an illustration, yet this preferred embodiment does not limit the scope of claim of the present invention.In this preferred embodiment, 30a of socket group and the 30b of socket group then are made as a controllable socket group, and the 30c of socket group is made as a uncontrollable socket group, is a continuous electrical socket group.
With reference to figure 2, communication module 32 is a radio transceiver chip again, receive a control signal S1 with the RF wireless mode from far-end one remote controller (not shown), and communication module 32 is delivered to microprocessor 34 with received control signal S1.Microprocessor 34 is coupled to communication module 32 and the described controllable socket 30a of group, 30b, and this microprocessor 34 is according to this control signal S1, in order to the described controllable socket 30a of group of grading control, whether 30b powers uses to load.
With reference to figure 2, the socket device 3 with hierarchical management of power supply also includes an attaching plug (not shown), switch SW 1, SW2 and a power supply changeover device 36 again.Wherein, attaching plug is in order to receive an alternating electromotive force AC.Power supply changeover device 36 is coupled to attaching plug and microprocessor 34, in order to this alternating electromotive force AC is converted to a direct current electric power DC, uses so that microprocessor 34 to be provided.
Described switch SW 1, SW2 then respectively correspondence be serially connected with between the 30a of controllable socket group, 30b and the attaching plug, it is controlled by microprocessor 34.Microprocessor 34 is according to control signal S1, and in order to controlling the change action of described switch SW 1, SW2, and then the described controllable socket 30a of group of grading control, whether 30b powers uses to load.Aforesaid switch SW 1, SW2 can exchange silicon controlled switch (TRIAC) for a relay (RELAY) or.
Whether being described as follows of grading control, microprocessor 34 are able to independent control switch SW1 conducting or cut-out after this control signal S1 is decoded, and then control the 30a of controllable socket group separately and power and use to load.Perhaps, after microprocessor 34 is decoded this control signal S1, be able to control switch SW1, SW2 conducting simultaneously or cut-out, so control the 30a of controllable socket group simultaneously, whether 30b powers uses to load.
Again with reference to figure 2; in order to prevent surging and electromagnetic interference; socket device 3 with hierarchical management of power supply of the present invention further has additional a surge protecting circuit 37; and surge protecting circuit 37 is serially connected with between attaching plug and described switch SW 1, the SW2, and be serially connected with between attaching plug and the uncontrollable socket 30c of group.Simultaneously; socket device 3 with hierarchical management of power supply of the present invention is also further set up an emi protection circuit 39; and emi protection circuit 39 is serially connected with between attaching plug and described switch SW 1, the SW2, and be serially connected with between attaching plug and the uncontrollable socket 30c of group.
Cooperate Fig. 2, please refer to Fig. 3, for the socket device with hierarchical management of power supply of the preferred embodiment of the present invention is used schematic diagram.In Fig. 3, the socket device 3 with hierarchical management of power supply of the present invention explains with the form of extended line.Same, the socket device 3 with hierarchical management of power supply of the present invention also can use the form of wall socket (wall-tap type).Therefore, Fig. 3 is advantageous applications embodiment of the present invention, and it does not influence the scope of claim of the present invention.
With reference to figure 3, the appearance package with socket device 3 of hierarchical management of power supply contains an attaching plug 31, an extended line 33 and a body 35 again, wherein, is provided with a plurality of sockets 30 and and switches switch 38 on body 35.Sockets 30 all on the body 35 all can be controlled by diverter switch 38, when diverter switch 38 is opened (turn on), alternating electromotive force is imported by attaching plug 31, and delivers to each socket 30 through the extended line 33 and the diverter switch 38 of conducting, uses with the load that various kinds is provided.
Cooperate Fig. 2, again with reference to figure 3.Socket device 3 with hierarchical management of power supply by simple chromatic zones every, have the power management of the 30a of socket group, 30b, 30c on the socket device 3 of hierarchical management of power supply in order to expression respectively.In this preferred embodiment, socket device 3 with hierarchical management of power supply is distinguished into three field color, be respectively: can be according to circumstances by the a-quadrant color of remote control ON/OFF power supply, can by remote control immediately the ON/OFF power supply the B field color and fully not by the C field color of remote control and continued power, wherein, the a-quadrant color has contained the 30a of socket group, the B field color has contained 30a of socket group and 30b, and the C field color has contained the 30c of socket group.In aforementioned, the socket device 3 with hierarchical management of power supply can also utilize the expression of modes such as different numeral, different lines or different texture as the zone except utilizing different color as distinguishing.
Cooperate Fig. 2 again, with reference to figure 3.Carry out the remote controller 4 that the RF radio communication is connected with the socket device 3 with hierarchical management of power supply, operation push-button 40a, the 40b on it can wireless remote control has the socket device 3 pairing socket 30a of group, the 30b of hierarchical management of power supply.Just press the operation push-button 40a on the remote controller 4, can remote control have the 30a of socket group of color a-quadrant on the socket device 3 of hierarchical management of power supply.
Or, utilize the notion of set group, allow the 30a of socket group of color a-quadrant of socket device 3 be contained by the 30b of socket group in color B zone with hierarchical management of power supply.That is, press the operation push-button 40b on the remote controller 4, remote control simultaneously has the 30a of socket group, the 30b of color a-quadrant and color B zone on the socket device 3 of hierarchical management of power supply.
Again with reference to figure 3.In general domestic. applications, the socket device 3 with hierarchical management of power supply can solve the not flexible shortcoming of tool of present traditional remote control socket.The user can continue needs on the 30c of socket group in the refrigerator of electricity consumption, color C zone that water dispenser inserts the socket device 3 with hierarchical management of power supply, obtains supply electric power with what continue.
In addition, the user can insert TV on the 30a of socket group of color a-quadrant of the socket device 3 with hierarchical management of power supply, and audio-video player is inserted on the 30b of socket group in color B zone of the socket device 3 with hierarchical management of power supply.Simultaneously, the remote control that the user can be by remote controller 4, the startup of independent control TV or close.Perhaps, by the remote control of remote controller 4, control the startup of TV and audio-video player simultaneously or close.So, the user can be more convenient with have more flexible RTV remote television and audio-video player.
Cooperate Fig. 2 again, with reference to figure 3.The button color of operation push-button 40a on the remote controller 4, be same as a-quadrant color on the socket device 3 with hierarchical management of power supply, simultaneously, the button color of the operation push-button 40b on the remote controller 4 is same as B field color on the socket device 3 with hierarchical management of power supply.So, can allow the user promptly can know and understand the scope that the socket device 3 with hierarchical management of power supply needs the ON/OFF zone from remote controller 4.In addition, the socket device 3 with hierarchical management of power supply can be according to the situation of user's demand or place to use difference, and implements with different types, such as patterns such as Strip, Wall-Tap, Block, Rackmount or Desktop.
Cooperate Fig. 3, please refer to Fig. 4.Fig. 4 uses schematic diagram for the socket device with hierarchical management of power supply of another preferred embodiment of the present invention.The element of Fig. 4 of the present invention is identical with Fig. 3, illustrates with same-sign.Fig. 4 is identical with the effect of reaching with the circuit operation principle of Fig. 3, under relatively, its main difference be in: the 30a of socket group, 30b on the socket device 3 ' with hierarchical management of power supply of Fig. 4,30c correspondence are distinguished into three field color, be respectively: can be according to circumstances by the a-quadrant color of remote control ON/OFF power supply and B field color, and fully not by the C field color of remote control and continued power.Wherein, the a-quadrant color has contained the 30a of socket group, and the B field color has contained the 30b of socket group, and the C field color has contained the 30c of socket group.
In aforementioned, the socket device 3 ' with hierarchical management of power supply can also utilize the expression of modes such as different numeral, different lines or different texture as the zone except utilizing different color as distinguishing.
In sum, the socket device with hierarchical management of power supply of the preferred embodiment of the present invention can be accepted the remote control of far-end one remote controller, and according to remote control, uses to the load of different power demands with the socket group that the various control set is provided.The socket group of socket device on it with hierarchical management of power supply is distinguished into three zones, and each distinguishes with different color, is respectively: can be according to circumstances by the a-quadrant color of remote control ON/OFF power supply, can by remote control immediately the B field color of ON/OFF power supply reach fully not by the C field color of remote control and continued power.
So, the socket device with hierarchical management of power supply of the preferred embodiment of the present invention can allow the clear understanding of user need the scope in ON/OFF zone, and provide the socket group of various control set to use, and then solve the shortcoming that traditional remote control socket can't provide the elasticity electricity consumption to the load of different power demands.
The above only is the specific embodiment of the best of the present invention, and feature of the present invention is not limited thereto, any those of ordinary skills in the field of the invention, can think easily and variation or modification, all can be encompassed in the claim scope of this case.

Claims (10)

1. the socket device with hierarchical management of power supply is characterized in that, receives a control signal, comprising:
At least one socket, described receptacle area are divided into a plurality of socket group, comprise at least one uncontrollable socket group and at least one controllable socket group;
One communication module receives this control signal; And
One microprocessor is coupled to this communication module and described controllable socket group, and this microprocessor is according to this control signal, and whether group powers in order to the described controllable socket of grading control.
2. the socket device with hierarchical management of power supply as claimed in claim 1, it is characterized in that, also comprise an at least one switch and a power supply changeover device, described switch correspondence respectively is serially connected with a described controllable socket group and an alternating electromotive force, be controlled by this microprocessor with conducting or the extremely described controllable socket of this alternating electromotive force of not conducting group, this power supply changeover device is coupled to this microprocessor, converts this alternating electromotive force to a direct current electric power, and provides this direct current power to this microprocessor.
3. the socket device with hierarchical management of power supply as claimed in claim 2; it is characterized in that; also comprise a surge protecting circuit and an emi protection circuit, wherein this surge protecting circuit is serially connected with described socket, and this emi protection circuit is serially connected with described socket.
4. the socket device with hierarchical management of power supply as claimed in claim 1 is characterized in that, described a plurality of socket group represents with color, numeral, lines or texture mode.
5. the socket device with hierarchical management of power supply as claimed in claim 4, it is characterized in that, this uncontrollable socket group is a continuous electrical socket group, and, described controllable socket group includes one first socket group and one second socket group, and this microprocessor is controlled this first socket group separately or controlled this first socket group simultaneously and this second socket group.
6. the socket device with hierarchical management of power supply as claimed in claim 5, it is characterized in that, mode according to set group, use one first color region to represent this first socket group, use one second color region to represent this first socket group and this second socket group, use this uncontrollable socket group of one the 3rd color region representative.
7. the socket device with hierarchical management of power supply as claimed in claim 6, it is characterized in that, this first color region is represented one can be according to circumstances by the socket group of remote control ON/OFF power supply, this second color region is represented one can be by the remote control socket group of ON/OFF power supply immediately, and the 3rd color region represents one fully not by the socket group of remote control and continued power.
8. the socket device with hierarchical management of power supply as claimed in claim 4, it is characterized in that, this uncontrollable socket group is a continuous electrical socket group, and described controllable socket group includes one first socket group and one second socket group, and this microprocessor is controlled this first socket group and this second socket group separately.
9. the socket device with hierarchical management of power supply as claimed in claim 8, it is characterized in that, use one first color region to represent this first socket group, use one second color region to represent this second socket group, use this uncontrollable socket group of one the 3rd color region representative.
10. the socket device with hierarchical management of power supply as claimed in claim 9, it is characterized in that, this first color region and this second color region are all represented one can be according to circumstances by the socket group of remote control ON/OFF power supply, and the 3rd color region represents one fully not by the socket group of remote control and continued power.
CN2008101782636A 2008-11-17 2008-11-17 Socket device with hierarchical management of power supply Expired - Fee Related CN101740953B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101782636A CN101740953B (en) 2008-11-17 2008-11-17 Socket device with hierarchical management of power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101782636A CN101740953B (en) 2008-11-17 2008-11-17 Socket device with hierarchical management of power supply

Publications (2)

Publication Number Publication Date
CN101740953A true CN101740953A (en) 2010-06-16
CN101740953B CN101740953B (en) 2012-06-20

Family

ID=42464013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101782636A Expired - Fee Related CN101740953B (en) 2008-11-17 2008-11-17 Socket device with hierarchical management of power supply

Country Status (1)

Country Link
CN (1) CN101740953B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315562A (en) * 2010-06-29 2012-01-11 胜德国际研发股份有限公司 Power supply socket device with multi-socket electricity utilization detection function and electricity utilization detection method
CN102347634A (en) * 2010-07-28 2012-02-08 胜德国际研发股份有限公司 Intelligently-controllable power line
CN102680813A (en) * 2011-03-17 2012-09-19 杨竹星 Measuring device and method for measuring multiple electrical parameters of circuit
CN103187803A (en) * 2011-12-28 2013-07-03 谢秉伦 Power management system and stage type power switch and socket thereof
CN105847459A (en) * 2015-02-04 2016-08-10 硕天科技股份有限公司 Power supply equipment with socket identification function and socket identification method of power supply equipment
CN103187803B (en) * 2011-12-28 2016-11-30 谢秉伦 Electric power management system and stagewise on and off switch thereof and socket
CN110277686A (en) * 2018-03-15 2019-09-24 硕天科技股份有限公司 Electric power source distribution device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2850053Y (en) * 2005-09-09 2006-12-20 胜德国际研发股份有限公司 Energy-saving socket

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315562A (en) * 2010-06-29 2012-01-11 胜德国际研发股份有限公司 Power supply socket device with multi-socket electricity utilization detection function and electricity utilization detection method
CN102347634A (en) * 2010-07-28 2012-02-08 胜德国际研发股份有限公司 Intelligently-controllable power line
CN102680813A (en) * 2011-03-17 2012-09-19 杨竹星 Measuring device and method for measuring multiple electrical parameters of circuit
US9063169B2 (en) 2011-03-17 2015-06-23 National Cheng Kung University Apparatus and method for measuring electrical parameters of circuit
CN102680813B (en) * 2011-03-17 2015-08-26 杨竹星 Measuring device and method for measuring multiple electrical parameters of circuit
CN103187803A (en) * 2011-12-28 2013-07-03 谢秉伦 Power management system and stage type power switch and socket thereof
WO2013097572A1 (en) * 2011-12-28 2013-07-04 Hsieh Ping-Lun Power management system and hierarchical power switches and sockets thereof
CN103187803B (en) * 2011-12-28 2016-11-30 谢秉伦 Electric power management system and stagewise on and off switch thereof and socket
CN105847459A (en) * 2015-02-04 2016-08-10 硕天科技股份有限公司 Power supply equipment with socket identification function and socket identification method of power supply equipment
CN105847459B (en) * 2015-02-04 2019-07-09 硕天科技股份有限公司 Power supply equipment with socket identification function and socket identification method of power supply equipment
CN110277686A (en) * 2018-03-15 2019-09-24 硕天科技股份有限公司 Electric power source distribution device

Also Published As

Publication number Publication date
CN101740953B (en) 2012-06-20

Similar Documents

Publication Publication Date Title
US7906869B2 (en) Outlet apparatus with power classification management
RU2419932C1 (en) Plug device
CN101740953B (en) Socket device with hierarchical management of power supply
US7247793B2 (en) Wall plate adapter for coupling home network control signals to AC power wiring
KR101006818B1 (en) Apparatus that decreasing standby power of electronic appliance and receptacle
US5239205A (en) Wireless multiple position switching system
US7023357B2 (en) Pluggable mechanism for wireless remote control
US10027245B2 (en) Low voltage touch panel
CA2080052A1 (en) Appliance control system providing out-of-context usage
CN101517855A (en) Standby saver
CN103208709B (en) Wireless intelligent socket
KR100909790B1 (en) The socket outlet having a stand by power choice
KR20160003517A (en) Smart plug and socket, and smart power consumption control system for using the same
KR20140118250A (en) Standby power control system using a smart phone
CN106848759B (en) A kind of Intelligent socket based on wireless charging
KR20130072450A (en) Receptacle controlling apparatus, power management system based on wireless communication
JP6328806B2 (en) Remote switch device and remote control electrical device
KR200416937Y1 (en) Wireless power saving plug socket
CN102023628A (en) Household intelligent control system
CN202548607U (en) Control module
CN101976065B (en) The wireless switch system controlled for complex network and wireless switching
CN103914002A (en) Power supply control system
KR101144520B1 (en) power distributing circuit and multi concent tap using therof
US20220181098A1 (en) Ohmni-Switch
KR101166386B1 (en) Apparatus for communication for reduction of standby power and method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
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: 20120620

Termination date: 20201117