CN207234381U - Low-power consumption overvoltage is automatic to disconnect protective device and frequency converter - Google Patents
Low-power consumption overvoltage is automatic to disconnect protective device and frequency converter Download PDFInfo
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- CN207234381U CN207234381U CN201721243034.9U CN201721243034U CN207234381U CN 207234381 U CN207234381 U CN 207234381U CN 201721243034 U CN201721243034 U CN 201721243034U CN 207234381 U CN207234381 U CN 207234381U
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- power consumption
- protective device
- automatic
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Abstract
The utility model discloses a kind of automatic disconnection protective device of low-power consumption overvoltage; including the first connecting pin and second connection end; the first Chip-R, transient diode, diac, the 3rd Chip-R, triode and the 4th Chip-R have been sequentially connected between the first connecting pin and second connection end, the second Chip-R is equipped between diac and the 3rd Chip-R.Disclosed herein as well is a kind of frequency converter.Once busbar voltage exceedes the voltage of TVS pipe and diac; triode on circuit turns at once; flyback auxiliary power supply to release; whole power supply is powered without accessory power supply, so that do not work, the release of relay out of power; protect oneself while also protect rear circuit; such mechanism is not only simple in structure the operating circuit that cost is low, and suitable access works long hours, and it also avoid using energy waste during transformer.
Description
Technical field
Over-pressure safety device field is the utility model is related to, is to be related to a kind of automatic disconnection of low-power consumption overvoltage specifically
Protective device and frequency converter.
Background technology
Inverse-excitation type switch power-supply of the prior art, normal working voltage 100-240V are whole when input voltage is normal
A Switching Power Supply normal work, relay are inhaled and in voltage instability, run into input voltage and become higher suddenly, higher than more than 280V
Whole power supply damages operation irregularity, and back end of line can also damage.
Utility model content
In order to solve the above technical problems, the utility model provides, a kind of low-power consumption overvoltage is automatic to disconnect protective device, bag
The first connecting pin and second connection end are included, the first Chip-R has been sequentially connected between the first connecting pin and second connection end
D7, transient diode D6, diac D5, the 3rd Chip-R R16, triode Q1 and the 4th Chip-R R15, are being triggered
The second Chip-R R14, one end point of the second Chip-R R14 are equipped between diode D5 and the 3rd Chip-R R16
Not with the diac D5 and mutually coupling, other end ground connection；Touched respectively with described one end of the 3rd Chip-R R16
Hair diode D5 and the second Chip-R R14 phases couple, and the other end is coupled with the triode Q1 phases；The of the triode Q1
One end is coupled with the 3rd Chip-R R16 phases, and the second end of the triode Q1 is connected with the 4th Chip-R R15, institute
State the 3rd end ground connection of triode Q1.
Preferably, the first Chip-R D7, is further, resistance value 100K Ω, volume 0805, accuracy rating ± 1%.
Preferably, the second Chip-R R14 and the 3rd Chip-R R16, are resistance value 1K Ω, and volume 0805 is smart
Spend scope ± 1%.
Preferably, the 4th Chip-R R15, further for, hinder 100 Ω, volume 0805, accuracy rating ± 1%.
Preferably, the breakdown voltage of the transient diode D6 is more than or equal to 2.8v.
Preferably, the diac D5 is further transform voltages 28-36V.
Preferably, the triode Q1, is further 9013 triodes.
The invention also discloses a kind of frequency converter, including any of the above-described automatic disconnect of low-power consumption overvoltage to protect
Device.
Compared with prior art, low-power consumption overvoltage described in the utility model is automatic disconnects protective device, has reached following effect
Fruit：
Once busbar voltage exceedes the voltage of TVS pipe+diac, the triode on circuit turns at once, flyback
Auxiliary power supply is to release, and whole power supply is powered without accessory power supply, so as to not work, the release of relay out of power, protects oneself at the same time
Also rear circuit is protected, such mechanism is not only simple in structure the operating circuit that cost is low, and suitable access works long hours, also keeps away
Energy waste when having exempted from using transformer.
Brief description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms one of the utility model
Point,
The schematic description and description of the utility model is used to explain the utility model, does not form new to this practicality
The improper restriction of type.In the accompanying drawings：
Fig. 1 disconnects protective device circuit diagram for low-power consumption overvoltage is automatic；
Fig. 2 is converter circuit figure；
Wherein：The first Chip-Rs of D7-, D6- transient diodes, D5- diacs, the 3rd Chip-Rs of R16-, Q1-
Triode, the 4th Chip-Rs of R15-；The second Chip-Rs of R14-.
Embodiment
Some vocabulary has such as been used to censure specific components among specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in receivable error range, those skilled in the art can be described within a certain error range solution
Technical problem, basically reaches the technique effect.In addition, " coupling " word is herein comprising any direct and indirect electric property coupling
Means.Therefore, if one first device of described in the text is coupled to a second device, representing the first device can directly electrical coupling
The second device is connected to, or the second device is electrically coupled to indirectly by other devices or coupling means.Specification
Subsequent descriptions is implement the better embodiment of the utility model, and so the description is to illustrate the rule of the utility model
For the purpose of, it is not intended to limit the scope of the utility model.The scope of protection of the utility model, which is worked as, regards appended claims institute circle
Subject to the person of determining.
The utility model is described in further detail below in conjunction with attached drawing, but not as the restriction to the utility model.
Embodiment 1：
With reference to Fig. 1, present embodiments provide that a kind of low-power consumption overvoltage is automatic to disconnect protective device, as shown in Figure 1, including the
One connecting pin and second connection end, have been sequentially connected with the first Chip-R D7, wink between the first connecting pin and second connection end
State diode D6 (TVS pipe), diac D5, the 3rd Chip-R R16, triode Q1 and the 4th Chip-R R15, are being touched
The second Chip-R R14, one end of the second Chip-R R14 are equipped between hair diode D5 and the 3rd Chip-R R16
Respectively with the diac D5 and mutually coupling, other end ground connection；One end of the 3rd Chip-R R16 respectively with it is described
Diac D5 and the second Chip-R R14 phases couple, and the other end is coupled with the triode Q1 phases；The triode Q1's
First end is coupled with the 3rd Chip-R R16 phases, and the second end of the triode Q1 is connected with the 4th Chip-R R15,
The 3rd end ground connection of the triode Q1.
The first Chip-R D7, is further, resistance value 100K Ω, volume 0805, accuracy rating ± 1%.
The second Chip-R R14 and the 3rd Chip-R R16, are resistance value 1K Ω, volume 0805, and accuracy rating ±
1%.
The 4th Chip-R R15, further for, hinder 100 Ω, volume 0805, accuracy rating ± 1%.
The breakdown voltage of the transient diode D6 is more than or equal to 2.8v, and breakdown voltage is 350v in the present embodiment.
The transform voltages of the diac D5 are bidirectional trigger diode between 28-36V, in the present embodiment
DB3, transform voltages VBO=32V.
The triode Q1, is further 9013 triodes.
Certainly, voltage protection point can arbitrarily be changed by the value during matching in the application, be not limited to 350V, that is,
According to the needs of practical devices, as long as meeting the concrete structure of the automatic disconnection protective device of low-power consumption overvoltage in the application i.e.
Can, the first Chip-R D7, transient diode D6, diac D5, the 3rd Chip-R R16, triode Q1, the 4th patch
The design parameters such as the resistance value of the second Chip-Rs of resistance R15 R14 can be adjusted according to actual needs, so as to adjust voltage protection
Point.
Embodiment 2：
On the basis of embodiment 1, present embodiments provide one kind and used the automatic disconnection of low-power consumption overvoltage in embodiment 1
The frequency converter of protective device, it can be seen from the figure that the first end and second end by the automatic disconnection protective device of low-power consumption overvoltage
Access frequency converter of the prior art and can obtain frequency converter in the application.Once busbar voltage exceedes two pole of TVS pipe+triggering
The voltage of pipe, the triode on circuit turn at once, and flyback auxiliary power supply is powered to release, whole power supply without accessory power supply,
So as to not work, the release of relay out of power, protects oneself while also protects rear circuit, such mechanism is not only simple in structure into
This is low, suitable to access the operating circuit to work long hours, it also avoid using energy waste during transformer.
Some preferred embodiments of the utility model have shown and described in described above, but as previously described, it should be understood that this
Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various
Other combinations, modification and environment, and above-mentioned teaching or association area can be passed through in utility model contemplated scope described herein
Technology or knowledge be modified.And changes and modifications made by those skilled in the art do not depart from the spirit and model of the utility model
Enclose, then all should be in the protection domain of the appended claims for the utility model.
Claims (8)
1. a kind of low-power consumption overvoltage is automatic to disconnect protective device, it is characterised in that including the first connecting pin and second connection end,
The first Chip-R has been sequentially connected between first connecting pin and second connection end（D7）, transient diode（D6）, triggering two poles
Pipe（D5）, the 3rd Chip-R（R16）, triode（Q1）With the 4th Chip-R（R15）, in diac（D5）With the 3rd
Chip-R（R16）Between be equipped with the second Chip-R（R14）, second Chip-R（R14）One end respectively with it is described
Diac（D5）Mutually couple, other end ground connection；3rd Chip-R（R16）One end respectively with it is described triggering two
Pole pipe（D5）With the second Chip-R（R14）Mutually couple, the other end and the triode（Q1）Mutually couple；The triode（Q1）
First end and the 3rd Chip-R（R16）Mutually couple, the triode（Q1）Second end be connected with the 4th patch electricity
Resistance（R15）, the triode（Q1）The 3rd end ground connection.
2. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the first patch electricity
Resistance（D7）, it is further, resistance value 100K Ω, volume 0805, accuracy rating ± 1%.
3. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the second patch electricity
Resistance（R14）With the 3rd Chip-R（R16）, it is resistance value 1K Ω, volume 0805, accuracy rating ± 1%.
4. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the 4th patch electricity
Resistance（R15）, further for, hinder 100 Ω, volume 0805, accuracy rating ± 1%.
5. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the transient diode
（D6）Breakdown voltage be more than or equal to 2.8v.
6. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the diac
（D5）Transform voltages between 28-36V.
7. low-power consumption overvoltage according to claim 1 is automatic to disconnect protective device, it is characterised in that the triode
（Q1）, it is further 9013 triodes.
8. any low-power consumption overvoltage is automatic in a kind of frequency converter, including claim 1-7 disconnects protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243034.9U CN207234381U (en) | 2017-09-26 | 2017-09-26 | Low-power consumption overvoltage is automatic to disconnect protective device and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243034.9U CN207234381U (en) | 2017-09-26 | 2017-09-26 | Low-power consumption overvoltage is automatic to disconnect protective device and frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234381U true CN207234381U (en) | 2018-04-13 |
Family
ID=61864146
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721243034.9U Expired - Fee Related CN207234381U (en) | 2017-09-26 | 2017-09-26 | Low-power consumption overvoltage is automatic to disconnect protective device and frequency converter |
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| CN (1) | CN207234381U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482578A (en) * | 2017-09-26 | 2017-12-15 | 湖州积微电子科技有限公司 | Low-power consumption overvoltage is automatic to disconnect protection device and frequency converter |
| CN113422362A (en) * | 2021-06-29 | 2021-09-21 | 新疆金风科技股份有限公司 | High-voltage ride-through device, high-voltage ride-through method and wind power converter |
| US11251607B2 (en) | 2018-12-06 | 2022-02-15 | Hewlett Packard Enterprise Development Lp | Fuse having parallel transorb device with switch |
-
2017
- 2017-09-26 CN CN201721243034.9U patent/CN207234381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482578A (en) * | 2017-09-26 | 2017-12-15 | 湖州积微电子科技有限公司 | Low-power consumption overvoltage is automatic to disconnect protection device and frequency converter |
| US11251607B2 (en) | 2018-12-06 | 2022-02-15 | Hewlett Packard Enterprise Development Lp | Fuse having parallel transorb device with switch |
| CN113422362A (en) * | 2021-06-29 | 2021-09-21 | 新疆金风科技股份有限公司 | High-voltage ride-through device, high-voltage ride-through method and wind power converter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20210926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |