CN106300245A - Intelligent clothes cabinet overvoltage is adjustable cut off circuit - Google Patents
Intelligent clothes cabinet overvoltage is adjustable cut off circuit Download PDFInfo
- Publication number
- CN106300245A CN106300245A CN201610871150.9A CN201610871150A CN106300245A CN 106300245 A CN106300245 A CN 106300245A CN 201610871150 A CN201610871150 A CN 201610871150A CN 106300245 A CN106300245 A CN 106300245A
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- China
- Prior art keywords
- pole
- electric capacity
- audion
- circuit
- overvoltage
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/202—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage for dc systems
Abstract
The invention discloses a kind of adjustable cut off circuit of Intelligent clothes cabinet overvoltage, described overvoltage is adjustable, and cut off circuit is made up of electronic devices and components such as diode bridge rectifier U1, audion VT1 and relay K.The present invention provides a kind of adjustable cut off circuit of Intelligent clothes cabinet overvoltage, well reduce and space is taken, motor is made can preferably to press close to wardrobe top when arranging, save substantial amounts of wardrobe space, can also well reduce the weight of product simultaneously, to improve the driving effect of motor, the production cost of product can also be reduced so that enterprise has higher competitiveness simultaneously.
Description
Technical field
The present invention is a kind of adjustable cut off circuit of overvoltage, specifically refers to a kind of adjustable cut off circuit of Intelligent clothes cabinet overvoltage.
Background technology
Along with improving constantly of people's living standard, the higher requirement of people's proposition continuous to living environment, increasingly
Focus on comfortable, safety and the facility of family life.By 2010, (wealthy family referred to that family's year receives in the wealthy family of China
Enter the urban family more than 250,000 name coin) quantity is 3,600,000 families, and the coming five years to 7 years by with annual 20% rate delivery
Increase；By 2015, this numeral was up to 9,400,000 families.Meanwhile, more 80, the backbone having had become as family after 90s, its
Higher requirement is had for living environment.The life of science and technology, fashion and intelligence will be the trend of future development, so intelligence
The household substituted now is also become the necessary of era development by energy household.
The patent document of Application No. 201410792340.2 discloses a kind of Intelligent clothes cabinet and using method thereof, reduces
Medicated clothing arranges and the difficulty searched, it is possible to more efficient management medicated clothing, improves the intelligent of life, collection science and technology, fashion and intelligence
It is integrated, it is possible to preferably admitted by consumer.
But, product, when actual production, owing to volume and the weight of overvoltage protector are bigger, relatively costly, is arranged on
Not only result in the reduction of motor rational height on motor, also can significantly increase the weight of the driving that the weight motor of motor is actual
Effect, the production also resulting in product rises with use cost, is unfavorable for the development of enterprise.
Summary of the invention
It is an object of the invention to overcome the problems referred to above, it is provided that a kind of adjustable cut off circuit of Intelligent clothes cabinet overvoltage, very well
Reduce space taken so that wardrobe top can preferably be pressed close to by motor when arranging, and saves substantial amounts of wardrobe
Space, can also well reduce the weight of product simultaneously, to improve the driving effect of motor, can also reduce the production of product simultaneously
Cost so that enterprise has higher competitiveness.
The purpose of the present invention is achieved through the following technical solutions:
Intelligent clothes cabinet overvoltage is adjustable cut off circuit, described overvoltage is adjustable cut off circuit by diode bridge rectifier U1,
Audion VT1, audion VT2, positive pole is connected with the positive output end of diode bridge rectifier U1, negative pole and diode bridge
Electric capacity C1, the N pole that the negative output terminal of commutator U1 is connected positive pole with electric capacity C1 after slide rheostat RP1 is connected, P pole
The Zener diode D1 that negative pole with electric capacity C1 is connected after resistance R1, positive pole is connected with the N pole of Zener diode D1, negative
The electric capacity C2 that pole is connected with the P pole of Zener diode D1, one end is connected with the negative pole of electric capacity C2, the other end and audion
The resistance R2 that the base stage of VT2 is connected, positive pole is connected with the base stage of audion VT2, negative pole is connected with the negative pole of electric capacity C1
Electric capacity C3, the electric capacity C4 that positive pole is connected with the emitter stage of audion VT1, negative pole is connected with the negative pole of electric capacity C3, with electricity
Resistance R3, the N pole that appearance C4 is arranged in parallel is connected with the positive pole of electric capacity C2, P pole is connected with the colelctor electrode of audion VT1 two
Pole pipe D2, the relay K being arranged in parallel with diode D2, and positive pole after the normally-closed contact K-1 of relay K with diode D2
The electric capacity C5 that N pole is connected, negative pole is connected with the negative pole of electric capacity C4 composition；Wherein, the colelctor electrode of audion VT2 and electric capacity
The positive pole of C2 is connected, and the emitter stage of audion VT2 is connected with the base stage of audion VT1, diode bridge rectifier U1's
Two inputs form the power input of the adjustable cut off circuit of this overvoltage, and it is adjustable that the positive pole of electric capacity C5 and negative pole form this overvoltage
The power output end of cut off circuit.
As preferably, described audion VT1 and audion VT2 is NPN type triode.
The present invention compared with prior art, has the following advantages and beneficial effect:
The simple in construction of the present invention, and production cost is relatively low, it is possible to well reduce the cost of enterprise, and then improve enterprise
The market competitiveness of industry；The simple in construction of the present invention, so that it has less volume, greatly reduces taking of space
Rate, saves the space in wardrobe further；The simple in construction of the present invention, the weight of its entirety is relatively low, thus reduces electricity
The impact of machine driving force, improves the driving effect of motor；By the slide rheostat RP1 concatenated with Zener diode D1,
Make the Zener diode D1 in circuit without being replaced according to concrete electric motor starting voltage, can become by adjusting to slide
The sliding end of the resistance flat RP1 of device changes the voltage obtained on Zener diode D1, substantially increases the using effect of product with suitable
By scope, reduce the difficulty of product maintenance.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, the adjustable cut off circuit of Intelligent clothes cabinet overvoltage, described overvoltage is adjustable cut off circuit is by diode bridge
Commutator U1, audion VT1, audion VT2, slide rheostat RP1, resistance R1, resistance R2, resistance R3, relay K, voltage stabilizing
Diode D1, diode D2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, and electric capacity C5 form.
The resistance of resistance R1 is 1K Ω, and the resistance of resistance R2 is 10K Ω, and the resistance of resistance R3 is 0.8K Ω；Electric capacity C1's
Capacitance is 220 μ F, and the capacitance of electric capacity C2 is 0.1 μ F, and the capacitance of electric capacity C3 is 200 μ F, and the capacitance of electric capacity C4 is 70 μ F, electric capacity C5
Capacitance be 110 μ F；The model of diode D2 is 1N4003；The model of diode bridge rectifier U1 is DB107；Voltage stabilizing two pole
The model of pipe D1 is 1N4728；The high value of slide rheostat RP1 is 200K Ω.
Audion VT1 and audion VT2 is NPN type triode, and the concrete type of audion VT1 and audion VT2
Number it is 2N2369.
The sliding end of the startup Voltage Cortrol slide rheostat RP1 according to motor is needed time specifically used, so that voltage stabilizing
Diode D2 breakdown when the input voltage of power input exceedes the startup voltage of motor can carry out negative feedback.
During connection, the positive pole of electric capacity C1 is connected with the positive output end of diode bridge rectifier U1, negative pole and diode
The negative output terminal of bridge rectifier U1 is connected, the N pole of Zener diode D1 after slide rheostat RP1 with the positive pole of electric capacity C1
Be connected, P pole negative pole with electric capacity C1 after resistance R1 is connected, and the positive pole of electric capacity C2 is extremely connected with the N of Zener diode D1
Connect, negative pole is connected with the P pole of Zener diode D1, and one end of resistance R2 is connected with the negative pole of electric capacity C2, the other end and three
The base stage of pole pipe VT2 is connected, and the positive pole of electric capacity C3 is connected with the base stage of audion VT2, the negative pole phase of negative pole and electric capacity C1
Connect, the positive pole of electric capacity C4 is connected with the emitter stage of audion VT1, negative pole is connected with the negative pole of electric capacity C3, resistance R3 and
Electric capacity C4 is arranged in parallel, and the N pole of diode D2 is connected with the positive pole of electric capacity C2, P pole is connected with the colelctor electrode of audion VT1
Connecing, relay K is arranged in parallel with diode D2, the positive pole of electric capacity C5 after the normally-closed contact K-1 of relay K with diode D2's
N pole is connected, negative pole is connected with the negative pole of electric capacity C4.
Wherein, the colelctor electrode of audion VT2 is connected with the positive pole of electric capacity C2, the emitter stage of audion VT2 and audion
The base stage of VT1 is connected, and the power supply that two inputs of diode bridge rectifier U1 form the adjustable cut off circuit of this overvoltage is defeated
Entering end, the positive pole of electric capacity C5 and negative pole form the power output end of the adjustable cut off circuit of this overvoltage.
During use, when the voltage of power input input exceedes the startup voltage of motor, Zener diode D1 is breakdown,
Audion is carried out negative feedback, and audion is sequentially turned on, and then relay K is energized, during relay K conducting, its
Normally-closed contact K-1 disconnects, so that the power supply that circuitry cuts is to motor.When the voltage of power input input equals to or less than
During the startup voltage of motor, Zener diode is not turned on, relay K must not electricity, the normally-closed contact of relay K keeps connected state
State, so that motor obtains electric；When voltage is less than the startup voltage of motor, motor does not starts, and opening when voltage and motor
When galvanic electricity pressure is equal, electric motor starting.
As it has been described above, just can well realize the present invention.
Claims (2)
1. the adjustable cut off circuit of Intelligent clothes cabinet overvoltage, it is characterised in that: described overvoltage is adjustable cut off circuit is by diode bridge
Commutator U1, audion VT1, audion VT2, positive pole is connected with the positive output end of diode bridge rectifier U1, negative pole with
Electric capacity C1, the N pole that the negative output terminal of diode bridge rectifier U1 is connected after slide rheostat RP1 with the positive pole of electric capacity C1
Be connected, Zener diode D1 that P pole negative pole with electric capacity C1 after resistance R1 is connected, the N of positive pole and Zener diode D1
The electric capacity C2 that pole is connected, negative pole is connected with the P pole of Zener diode D1, one end is connected with the negative pole of electric capacity C2, another
The resistance R2 that is connected with the base stage of audion VT2 of end, positive pole is connected with the base stage of audion VT2, negative pole and electric capacity C1
The electric capacity C3 that negative pole is connected, the electricity that positive pole is connected with the emitter stage of audion VT1, negative pole is connected with the negative pole of electric capacity C3
Holding C4, resistance R3, the N pole being arranged in parallel with electric capacity C4 is connected with the positive pole of electric capacity C2, the colelctor electrode of P pole and audion VT1
The diode D2 being connected, the relay K being arranged in parallel with diode D2, and positive pole is after the normally-closed contact K-1 of relay K
Be connected with the N pole of diode D2, electric capacity C5 that negative pole is connected with the negative pole of electric capacity C4 composition；Wherein, the collection of audion VT2
Electrode is connected with the positive pole of electric capacity C2, and the emitter stage of audion VT2 is connected with the base stage of audion VT1, diode bridge
Two inputs of commutator U1 form the power input of the adjustable cut off circuit of this overvoltage, and the positive pole of electric capacity C5 forms with negative pole
The power output end of this overvoltage is adjustable cut off circuit.
The adjustable cut off circuit of Intelligent clothes cabinet overvoltage the most according to claim 1, it is characterised in that: described audion VT1
It is NPN type triode with audion VT2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871150.9A CN106300245A (en) | 2016-09-30 | 2016-09-30 | Intelligent clothes cabinet overvoltage is adjustable cut off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871150.9A CN106300245A (en) | 2016-09-30 | 2016-09-30 | Intelligent clothes cabinet overvoltage is adjustable cut off circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106300245A true CN106300245A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871150.9A Pending CN106300245A (en) | 2016-09-30 | 2016-09-30 | Intelligent clothes cabinet overvoltage is adjustable cut off circuit |
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| CN (1) | CN106300245A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546727A (en) * | 2017-09-14 | 2018-01-05 | 珠海格力电器股份有限公司 | Switching Power Supply bus overvoltage protection circuit |
| CN107681636A (en) * | 2017-11-22 | 2018-02-09 | 合肥惠科金扬科技有限公司 | A kind of overvoltage crowbar and Switching Power Supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080605U (en) * | 1990-06-25 | 1991-07-10 | 东方锅炉厂 | Safety protective device for opening and shuting system of electric valve |
| CN2110307U (en) * | 1992-01-17 | 1992-07-15 | 李春生 | Automatic protector for automobile electronic equipment |
| CN203645301U (en) * | 2013-12-02 | 2014-06-11 | 广东九联科技股份有限公司 | Set top box with overvoltage protection |
| CN104682342A (en) * | 2013-12-02 | 2015-06-03 | 成都市思码特科技有限公司 | Over-voltage protection circuit of testing host computer |
| CN205333724U (en) * | 2015-12-31 | 2016-06-22 | 苏州市计量测试研究所 | Stand -by power supply voltage detecting early warning circuit |
-
2016
- 2016-09-30 CN CN201610871150.9A patent/CN106300245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080605U (en) * | 1990-06-25 | 1991-07-10 | 东方锅炉厂 | Safety protective device for opening and shuting system of electric valve |
| CN2110307U (en) * | 1992-01-17 | 1992-07-15 | 李春生 | Automatic protector for automobile electronic equipment |
| CN203645301U (en) * | 2013-12-02 | 2014-06-11 | 广东九联科技股份有限公司 | Set top box with overvoltage protection |
| CN104682342A (en) * | 2013-12-02 | 2015-06-03 | 成都市思码特科技有限公司 | Over-voltage protection circuit of testing host computer |
| CN205333724U (en) * | 2015-12-31 | 2016-06-22 | 苏州市计量测试研究所 | Stand -by power supply voltage detecting early warning circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546727A (en) * | 2017-09-14 | 2018-01-05 | 珠海格力电器股份有限公司 | Switching Power Supply bus overvoltage protection circuit |
| CN107681636A (en) * | 2017-11-22 | 2018-02-09 | 合肥惠科金扬科技有限公司 | A kind of overvoltage crowbar and Switching Power Supply |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |