CN104658824B - A kind of adjustable timing switch - Google Patents
A kind of adjustable timing switch Download PDFInfo
- Publication number
- CN104658824B CN104658824B CN201510070174.XA CN201510070174A CN104658824B CN 104658824 B CN104658824 B CN 104658824B CN 201510070174 A CN201510070174 A CN 201510070174A CN 104658824 B CN104658824 B CN 104658824B
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- circuit
- timing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of adjustable timing switch, including breaker, timing means and STATEMENT OF FEDERALLY SPONSORED, timing means includes circuit assembly and electromagnetic assembly, the electromagnetic assembly includes the magnet coil electrically connected with circuit assembly, moving armature is provided with magnet coil, moving armature is linked by STATEMENT OF FEDERALLY SPONSORED with the tripping mechanism in breaker, the circuit assembly includes power circuit, timing circuit and output trip circuit, timing circuit includes potentiometer R4, oscillating capacitance C4 and timing ic U2, timing ic U2 includes input and output end, 1. pin is connected the input with potentiometer R4, 2. pin is connected input with oscillating capacitance C4, the 3. pin connection protective resistance R3 of input the, the input pin is connected with power circuit, 8. pin is connected the of the output end with output trip circuit.The adjustable timing switch can be different according to service condition so that breaker disconnected and is used for a long time in the scheduled time, met encryption demand.
Description
Technical field
Can manually it be set according to service condition difference the invention belongs to breaker and switching technique field, especially one kind
Determine the adjustable timing switch of turn-off time.
Background technology
Breaker of the prior art, it generally includes housing, dynamic/static contact, sound contact, electromagnetic assembly and dropout
Mechanism.When breaker is in running current, its magnetic force produced is not enough to drive the iron core action in electromagnetic assembly, and
When load current instantaneously increases to decades of times or hundreds times, the magnetic force that coil is produced, which pulls armature to hit tripping mechanism rapidly, to be made
Dynamic/static contact separation is obtained, realizes that circuit disconnects, plays overload protective function.But this breaker of the prior art does not have
According to the particularity of service condition, the breaker that setting disconnects is timed.Killer switch of the prior art is difficult to meet
Some need the specific area of timing disconnecting circuit to use.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of adjustable timing switch, this switch can basis
Service condition is different, by setting time, to the scheduled time so that breaker disconnects, and can meet the use of specific area
Demand.
To achieve these goals, the technical solution adopted by the present invention is：A kind of adjustable timing switch, including breaker,
It is characterized in that：Also include timing means and STATEMENT OF FEDERALLY SPONSORED, timing means includes circuit assembly and electromagnetic assembly, the electromagnetic assembly bag
Include and moving armature is provided with the magnet coil electrically connected with circuit assembly, magnet coil, moving armature passes through the STATEMENT OF FEDERALLY SPONSORED and open circuit
Tripping mechanism in device is linked.
As the further setting of the present invention, the circuit assembly includes power circuit, timing circuit and output tripping operation
Circuit, timing circuit includes potentiometer R4, oscillating capacitance C4 and timing ic U2, and timing ic U2 includes input
End and output end, the input the 1. pin be connected with potentiometer R4, the input the 2. pin be connected with oscillating capacitance C4, this
The 3. pin connection protective resistance R3 of the of input, the pin of the input is connected with power circuit, the 8. pin of the output end
It is connected with output trip circuit.
As the further setting of the present invention, the output trip circuit includes current-limiting resistance R6 and controllable silicon Q1, described
8. pin is connected timing ic U2 output end with current-limiting resistance R6, and current-limiting resistance passes through anti-jamming circuit and controllable silicon Q1
Connection, the controllable silicon output end is connected with electromagnetic assembly, and the anti-jamming circuit includes pull down resistor R7 and the filtering being connected in parallel
Electric capacity C5.
As the further setting of the present invention, the power circuit includes reduction voltage circuit, rectification circuit and filtering voltage regulation electricity
Road, the reduction voltage circuit includes decompression capacitor C1, and decompression capacitor C1 two ends are parallel with bleeder resistance R1, filter regulator circuit bag
Current-limiting resistance R2 is connected with after including filter capacitor C2, C3 and voltage-regulator diode DZ1, the rectified circuit rectifies of the reduction voltage circuit,
The output end of current-limiting resistance is connected in parallel with the filter capacitor C2, C3, voltage-regulator diode DZ1 successively.
Using such scheme, the present invention is installed on potentiometer R4 by timing means setting time by manual rotation
Adjusting knob carry out setting time, run into the time when the electricity consumption time reaches, the time switch will turn on above-mentioned output tripping operation
Circuit causes electromagnetic assembly is powered to drive STATEMENT OF FEDERALLY SPONSORED to drive the tripping mechanism of breaker to thread off, and realizes that tripping operation is powered off, plays timing
Protection, while the time switch also has the functions such as overload, short circuit, normal open；The time switch can be used for suction pump timing to draw water
When use, can also be used in any home appliance for needing timing, main line protection switch can also be worked as and used.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing 1 is specific embodiment of the invention surface structure schematic diagram；
Accompanying drawing 2 is specific embodiment of the invention decomposition texture schematic diagram；
Accompanying drawing 3 is specific embodiment of the invention power circuit schematic diagram；
Accompanying drawing 4 is specific embodiment of the invention timing circuit and output trip circuit schematic diagram.
Embodiment
The specific embodiment of the present invention is adjustable timing switch as Figure 1-4, including breaker 1, timing means 2 and connection
Moving part 4, timing means 2 includes housing 21, circuit assembly and electromagnetic assembly 3, and the electromagnetic assembly 3 includes electrically connecting with circuit assembly
Magnet coil, static gag bit, the moving armature 31 being sheathed in magnet coil, moving armature 31 passes through in STATEMENT OF FEDERALLY SPONSORED 4 and breaker 1
Tripping mechanism is linked.
Foregoing circuit assembly includes power circuit, timing circuit and output trip circuit, and timing circuit includes potentiometer
R4, oscillating capacitance C4 and timing ic U2, potentiometer R4 are provided with adjusting knob 5, should by the setting of rotation of adjustment knob 5
The trip time of time switch；Timing ic U2 model CD4541, it includes input and output end, the input
1. pin is connected the of end with potentiometer R4, the input the 2. pin be connected with oscillating capacitance C4, the 3. pin company of the input
Meet protective resistance R3, the pin of the input is connected with power circuit, the output end the 8. pin connect with output trip circuit
Connect.Power circuit is that timing circuit and output trip circuit provide power supply.The power circuit includes reduction voltage circuit, rectification circuit
And filter regulator circuit, reduction voltage circuit includes decompression capacitor C1, and decompression capacitor C1 two ends are parallel with bleeder resistance R1, and filtering is steady
Volt circuit connects limited after including filter capacitor C2, C3 and voltage-regulator diode DZ1, the rectified circuit rectifies of the reduction voltage circuit
Leakage resistance R2, the output end of current-limiting resistance is connected in parallel with filter capacitor C2, C3, voltage-regulator diode DZ1 successively.External civil power
220V be depressured first through capacitance-resistance voltage reduction circuit after after commutation diode D1, D2, D3, D4 rectification by current-limiting resistance R2 current limlitings,
There is provided operating voltage by voltage-regulator diode DZ1 voltage stabilizings for timing circuit after electric capacity C2, C3 filtering after filtering again.Initially, should
Power circuit charges to oscillating capacitance C4, and timing ic U2 output ends are low level, it is impossible to conducting output tripping operation electricity
Road, now time switch normal work；After potentiometer R4 reaches the scheduled time, oscillating capacitance C4 electric discharges, timing ic
U2 output ends export high level, and conducting output trip circuit causes the moving armature 31 in electromagnetic assembly 3 drives linkage board to drive de-
Buckle mechanism is threaded off, and is realized trip operation, is played encryption function.
Above-mentioned output trip circuit includes current-limiting resistance R6 and controllable silicon Q1, the 8. pin of timing ic U2 output end the
It is connected with current-limiting resistance R6, current-limiting resistance is connected by anti-jamming circuit with controllable silicon Q1, the controllable silicon output end and electromagnetism group
Part 3 is connected, and the anti-jamming circuit includes the pull down resistor R7 and filter capacitor C5 being connected in parallel.Above-mentioned timing circuit normal work
During state, output end output low level when the potentiometer R4 in timing circuit reaches the predetermined time, then exports high level and led
It is logical to be available for silicon Q1, realize tripping operation；And above-mentioned anti-jamming circuit can avoid the circuit because external interference and cause time switch to be jumped
Lock, plays the function of false action-proof.
The present invention is the adjusting knob 5 being installed on by manual rotation on potentiometer R4 by the setting time of timing means 2
Carry out setting time, run into the time when the electricity consumption time reaches, the time switch will turn on above-mentioned output trip circuit and cause electricity
Magnetic assembly 3, which is powered, drives STATEMENT OF FEDERALLY SPONSORED 4 to drive the tripping mechanism of breaker 1 to thread off, and realizes that tripping operation is powered off, plays encryption, together
When the time switch also there is the function such as overload, short circuit, normal open；The time switch is used when can be used for suction pump timing to draw water,
It can also be used in any home appliance for needing timing, main line protection switch can also be worked as and used.
In said structure, breaker 1 can have 1,2,3 or 4, the housing of 1 breaker 1 and timing means 2
21 laminating snappings, and other breakers 1 are then from outside snapping and the breaker 1, and by being installed on breaker 1
Synchronous body 6 in operation handle realizes that synchronous switching off is operated.
The present invention is not limited to above-mentioned embodiment, and persons skilled in the art are according to disclosed by the invention interior
Hold, the present invention, or every design structure and think of using the present invention can be implemented using other a variety of embodiments
Road, does simple change or change, both falls within protection scope of the present invention.
Claims (2)
1. a kind of adjustable timing switch, including breaker, it is characterised in that：Also include timing means and STATEMENT OF FEDERALLY SPONSORED, timing means
Including circuit assembly and electromagnetic assembly, the electromagnetic assembly includes setting in the magnet coil electrically connected with circuit assembly, magnet coil
There is moving armature, moving armature is linked by the STATEMENT OF FEDERALLY SPONSORED with the tripping mechanism in breaker；The circuit assembly includes electricity
Source circuit, timing circuit and output trip circuit, timing circuit include potentiometer R4, oscillating capacitance C4 and timing ic
U2, timing ic U2 include input and output end, the input the 1. pin be connected with potentiometer R4, the input
The 2. pin be connected with oscillating capacitance C4, the 3. pin connection protective resistance R3 of the input, the of the inputPin and electricity
Source circuit is connected, the output end the 8. pin be connected with output trip circuit, trip circuit includes current-limiting resistance R6 and controllable silicon
8. pin is connected Q1, timing ic U2 output end the with current-limiting resistance R6, current-limiting resistance by anti-jamming circuit with
Controllable silicon Q1 connections, the controllable silicon output end is connected with electromagnetic assembly, and the anti-jamming circuit includes the pull down resistor being connected in parallel
R7 and filter capacitor C5；During the timing circuit normal operating conditions, output end output low level, when in the timing circuit
When potentiometer R4 reaches the predetermined time, then high level conducting controllable silicon Q1 is exported, tripping operation is realized；The power circuit includes drop
Volt circuit, rectification circuit and filter regulator circuit.
2. adjustable timing switch according to claim 1, it is characterised in that：The reduction voltage circuit includes decompression capacitor C1,
Decompression capacitor C1 two ends are parallel with bleeder resistance R1, and filter regulator circuit includes filter capacitor C2, C3 and voltage-regulator diode
Be connected with current-limiting resistance R2 after DZ1, the rectified circuit rectifies of the reduction voltage circuit, the output end of current-limiting resistance successively with the filtering
Electric capacity C2, C3, voltage-regulator diode DZ1 are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070174.XA CN104658824B (en) | 2015-02-10 | 2015-02-10 | A kind of adjustable timing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070174.XA CN104658824B (en) | 2015-02-10 | 2015-02-10 | A kind of adjustable timing switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104658824A CN104658824A (en) | 2015-05-27 |
| CN104658824B true CN104658824B (en) | 2017-07-28 |
Family
ID=53249820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510070174.XA Active CN104658824B (en) | 2015-02-10 | 2015-02-10 | A kind of adjustable timing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104658824B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2786914B1 (en) * | 1998-12-07 | 2001-01-12 | Schneider Electric Ind Sa | DEVICE FOR CONTROLLING AN ELECTROMAGNET WITH A SUPPLY CIRCUIT SUPPLIED BY THE HOLDING CURRENT OF THE ELECTROMAGNET |
| CN1277341C (en) * | 2003-04-11 | 2006-09-27 | 崧顺电子（深圳）有限公司 | Timer utilized in charging up batteries |
| CN101728129A (en) * | 2008-10-13 | 2010-06-09 | 苏州未来电器有限公司 | Self-protection shunt excitation release |
| CN201413981Y (en) * | 2009-05-20 | 2010-02-24 | 吴明 | Protective device of power supply equipment in communication base station |
| CN201854257U (en) * | 2010-11-01 | 2011-06-01 | 天水华天微电子股份有限公司 | Mixed delay circuit module |
| CN202583902U (en) * | 2012-04-01 | 2012-12-05 | 宁波远景汽车零部件有限公司 | Water level controller with time-delay protection |
-
2015
- 2015-02-10 CN CN201510070174.XA patent/CN104658824B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104658824A (en) | 2015-05-27 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CB02 | Change of applicant information |
Address after: Seven in Hong Kong long village of Liushi town of Yueqing city of Zhejiang Province, Wenzhou City, 325064 Applicant after: Qin Jia Electric Co., Ltd. Address before: Seven in Hong Kong long village of Liushi town of Yueqing city of Zhejiang Province, Wenzhou City, 325000 Applicant before: Wenzhou Qinjia Electronic Co., Ltd. |
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| GR01 | Patent grant |