CN207801456U - A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line - Google Patents
A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line Download PDFInfo
- Publication number
- CN207801456U CN207801456U CN201820101837.9U CN201820101837U CN207801456U CN 207801456 U CN207801456 U CN 207801456U CN 201820101837 U CN201820101837 U CN 201820101837U CN 207801456 U CN207801456 U CN 207801456U
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- China
- Prior art keywords
- self
- undervoltage protector
- recover overvoltage
- input
- output
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Abstract
The utility model discloses a kind of Self-recover overvoltage-undervoltage protectors for not having to distinguish inlet-outlet line, including outer housing and PCB circuit board, which is characterized in that the Self-recover overvoltage-undervoltage protector outer housing is not necessarily to carry out the ends L, the input of N-terminal, output differentiation.The beneficial effects of the utility model：It is innovated and is improved by electronic circuit, the principle sampled using two-way is made not needing to distinguish inlet-outlet line when the Self-recover overvoltage-undervoltage protector wiring, is provided simultaneously with relay fault detection capability, and the performance of product is increased, and reduces stock kind.
Description
Technical field
The utility model belongs to overvoltage/undervoltage edge guarding ring field, it particularly relates to which one kind not needing to distinguish inlet-outlet line
Self-recover overvoltage-undervoltage protector.
Background technology
Currently, overvoltage/undervoltage terminal protection class product available on the market, need to distinguish inlet-outlet line, be divided into upper incoming line and under into
Two kinds of line increases stock kind and buying difficulty.Commercially available similar products do not have the function of relay fault detect simultaneously,
Protection is not well positioned to meet to require.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of self-resetting types not needing to distinguish inlet-outlet line
Overvoltage-undervoltage protector can solve problems of the prior art by innovation, and product is made to have relay fault detect work(
Inlet-outlet line can not be differentiated between when can and buy.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in：
A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line, including outer housing and PCB circuit board, feature exist
In the Self-recover overvoltage-undervoltage protector outer housing is not necessarily to carry out the ends L, the input of N-terminal, output differentiation, and the self-resetting type is excessively deficient
INPUT-L, INPUT-N of pressure protector PCB circuit board connect the ends the L input of outer housing, N-terminal input, the self-resetting type mistake respectively
OUTPUT-L, OUTPUT-N of pressure-failure protector PCB circuit board connect the ends the L output of outer housing, N-terminal output, the runback respectively
The PIN1 of the main control chip U1 of formula overvoltage-undervoltage protector PCB circuit board is+5V supply pins, and the PIN7 of the main control chip U1 connects
The voltage sampling circuit fixed tentatively as input terminal is connect, the voltage sample electricity for output end is fixed tentatively in the PIN6 connections of the main control chip U1
Road, PIN3, PIN5 connection status and malfunction indicator lamp of the main control chip U1, PIN2, PIN4 of the main control chip U1 connect
Meet PIN3, PIN6 of driving chip U2, PIN1, PIN4 connection magnetic latching relay K1 of the driving chip U2.
Further, described to fix tentatively the sample circuit for input end signal by resistance R9, diode D1, capacitance C7, electricity
Hinder R7 compositions.
Further, described to fix tentatively the sample circuit for output end signal by resistance R10, diode D2, capacitance C8, electricity
Hinder R8 compositions.
Further, the state and failure indicating circuit are made of resistance R3, Light-emitting diode LED 1, LED2.
Further, the ends INPUT-N of the Self-recover overvoltage-undervoltage protector PCB circuit board connect zero with the ends OUTPUT-N
Line.
Further, the ends INPUT-L and the ends OUTPUT-L of the Self-recover overvoltage-undervoltage protector PCB circuit board can connect
Input firewire is connect, output line of fire can also be connected.
Further, U1 microcontrollers judge the ends INPUT-L and OUTPUT- by two sampling terminal voltages of internal processes detection
Which has terminated input firewire at the ends L, and it is input terminal firewire sample circuit that, which is re-defined,.
Further, the power supply of the Self-recover overvoltage-undervoltage protector PCB circuit board uses two-way firewire rectification,
In there is electricity, wiring board just to have control power supply all the way.
Further, the Self-recover overvoltage-undervoltage protector powers on disjunction magnetic latching relay first, by inputting firewire
There is voltage output firewire no-voltage to judge input terminal firewire sample circuit and output end firewire sample circuit, such as at this moment both ends are all
It is that relay is unable to disjunction failure, green indicator light quick flashing to have voltage signal.
Further, the Self-recover overvoltage-undervoltage protector such as voltage in 190V to being normal voltage, green light between 250V
Second is always on simultaneously relay actuation after dodging 5 seconds, for electricity output.
Further, in 250V to being overvoltage between 275V, green light is put out for the Self-recover overvoltage-undervoltage protector such as voltage
Go out red light fast blink, as relay be attracted will disjunction immediately, power supply cut-off.
Further, in 165V to being under-voltage between 190V, green light is put out for the Self-recover overvoltage-undervoltage protector such as voltage
The red light that goes out flickers at a slow speed, as relay be attracted will disjunction immediately, power supply cut-off.
Further, the Self-recover overvoltage-undervoltage protector such as voltage are reverted in 190V to normal voltage between 250V,
Red light extinguish green light at a slow speed the second dodge 30 seconds after relay be attracted, power supply is normal.At this moment if output line of fire voltage detecting is no electricity
Pressure is that relay is attracted failure, green light quick flashing.
The beneficial effects of the utility model：It is innovated and is improved by electronic circuit, the principle for being supplied power with double circuit and being sampled makes
The Self-recover overvoltage-undervoltage protector, when wiring, do not need to distinguish inlet-outlet line, are provided simultaneously with relay fault detection capability, solve mesh
Not the shortcomings that preceding commercially available product does not have relay fault detection capability and needs to distinguish inlet-outlet line.The utility model is mainly used for
1P+N, 3P+N Self-recover overvoltage-undervoltage protector product.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to the utility model embodiment
1P+N and 3P+N shell schematic diagrames.
Fig. 2 is a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to the utility model embodiment
1P+N and 3P+N shell schematic diagrames before improvement.
Fig. 3 is a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to the utility model embodiment
Novel product electronic circuit schematic diagram.
Fig. 4 is a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to the utility model embodiment
Novel product alternative plan electronic circuit schematic diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
As shown in Figure 1,3, a kind of self-resetting type not needing to distinguish inlet-outlet line according to the utility model embodiment is excessively deficient
Press protector, a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line, including outer housing and PCB circuit board, feature
It is, the Self-recover overvoltage-undervoltage protector outer housing is not necessarily to carry out the ends L, the input of N-terminal, output differentiation, the self-resetting type mistake
INPUT-L, INPUT-N of pressure-failure protector PCB circuit board connect the ends the L input of outer housing, N-terminal input, the self-resetting type respectively
OUTPUT-L, OUTPUT-N of overvoltage-undervoltage protector PCB circuit board connect respectively outer housing the ends L output, N-terminal output, it is described from
The PIN1 of the main control chip U1 of compound overvoltage-undervoltage protector PCB circuit board is+5V supply pins, the PIN7 of the main control chip U1
The voltage sampling circuit for input terminal is fixed tentatively in connection, and the voltage sample for output end is fixed tentatively in the PIN6 connections of the main control chip U1
Circuit, PIN3, PIN5 connection status and malfunction indicator lamp of the main control chip U1, PIN2, PIN4 of the main control chip U1
Connect PIN3, PIN6 of driving chip U2, PIN1, PIN4 connection magnetic latching relay K1 of the driving chip U2.
Further, described to fix tentatively the sample circuit for input end signal by resistance R9, diode D1, capacitance C7, electricity
Hinder R7 compositions.
Further, described to fix tentatively the sample circuit for output end signal by resistance R10, diode D2, capacitance C8, electricity
Hinder R8 compositions.
Further, the state and failure indicating circuit are made of resistance R3, Light-emitting diode LED 1, LED2.
Further, the ends INPUT-N of the Self-recover overvoltage-undervoltage protector PCB circuit board connect zero with the ends OUTPUT-N
Line.
Further, the ends INPUT-L and the ends OUTPUT-L of the Self-recover overvoltage-undervoltage protector PCB circuit board can connect
Input firewire is connect, output line of fire can also be connected.
Further, U1 microcontrollers judge the ends INPUT-L and OUTPUT- by two sampling terminal voltages of internal processes detection
Which has terminated input firewire at the ends L, and it is input terminal firewire sample circuit that, which is re-defined,.
Further, the power supply of the Self-recover overvoltage-undervoltage protector PCB circuit board uses two-way firewire rectification,
In there is electricity, wiring board just to have control power supply all the way.
Further, the Self-recover overvoltage-undervoltage protector powers on disjunction magnetic latching relay first, by inputting firewire
There is voltage output firewire no-voltage to judge input terminal firewire sample circuit and output end firewire sample circuit, such as at this moment both ends are all
It is that relay is unable to disjunction failure, green indicator light quick flashing to have voltage signal.
Further, the Self-recover overvoltage-undervoltage protector such as voltage in 190V to being normal voltage, green light between 250V
Second is always on simultaneously relay actuation after dodging 5 seconds, for electricity output.
Further, in 250V to being overvoltage between 275V, green light is put out for the Self-recover overvoltage-undervoltage protector such as voltage
Go out red light fast blink, as relay be attracted will disjunction immediately, power supply cut-off.
Further, in 165V to being under-voltage between 190V, green light is put out for the Self-recover overvoltage-undervoltage protector such as voltage
The red light that goes out flickers at a slow speed, as relay be attracted will disjunction immediately, power supply cut-off.
Further, the Self-recover overvoltage-undervoltage protector such as voltage are reverted in 190V to normal voltage between 250V,
Red light extinguish green light at a slow speed the second dodge 30 seconds after relay be attracted, power supply is normal.At this moment if output line of fire voltage detecting is no electricity
Pressure is that relay is attracted failure, green light quick flashing.
In order to facilitate the above-mentioned technical proposal of the utility model is understood, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, according to a kind of Self-recover overvoltage-undervoltage protection not needing to distinguish inlet-outlet line described in the utility model
Device, the principle of two-way sampling carry out power signal sampling and electricity by INPUT-L, INPUT-N and OUTPUT-L, OUTPUT-N
The supply of sub- line power.Fixing tentatively as the sampling of input end signal is incited somebody to action by resistance R9, diode D1, capacitance C7, resistance R7
The analog signal sampled is sent to main control chip U1 and carries out signal processing；It is to pass through resistance to fix tentatively as the sampling of output end signal
The analog signal sampled is sent to main control chip U1 and carries out signal processing by R10, diode D2, capacitance C8, resistance R78；It is described
Main control chip U1 be responsible for entire product systems signal reception processing and control instruction output, the sampling of input/output signal and
Control output and the optical signal output instruction etc. of driving chip U2 instructions；Driving chip U2 is responsible for execution main control chip U1 and refers to
It enables, drives magnetic latching relay K1 open and closes；K1 is magnetic latching relay, is responsible for the break-make of inlet-outlet line.
In one embodiment, the state and failure indicating circuit are by resistance R3, Light-emitting diode LED 1, LED2 groups
At；The Light-emitting diode LED 1, LED2 are responsible for the instruction of work instruction and different faults state, when failure, red indicating light
LED2 fast blinks, after fault detection relay, green indicator light LED1 fast blinks on product.
Divided by outside upper type, it can also realize that two-way samples by single-pole double-throw switch (SPDT) switching, be specifically shown in electrical principles
Fig. 4.Its operation principle is switching of the sample circuit by single-pole double-throw switch (SPDT), is linked respectively with INPUT-L and OUTPUT-L, is come
Realize upper entering and lower leaving or bottom in and top out.Other functions are the same as described in method one.
The above utility model can be used for 1P+N, 3P+N, single lamp, the instruction of double lamps, the product of charactron and liquid crystal display.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line, including Self-recover overvoltage-undervoltage protector outer housing and from
Compound overvoltage-undervoltage protector PCB circuit board, which is characterized in that the Self-recover overvoltage-undervoltage protector outer housing without carry out the ends L,
Input, the output of N-terminal are distinguished, and INPUT-L, INPUT-N of the Self-recover overvoltage-undervoltage protector PCB circuit board connect shell respectively
The input of the ends L, the N-terminal input of body, OUTPUT-L, OUTPUT-N of the Self-recover overvoltage-undervoltage protector PCB circuit board connect respectively
The output of the ends L, the N-terminal output of outer housing, the PIN1 connections of the main control chip U1 of the Self-recover overvoltage-undervoltage protector PCB circuit board
The sample circuit for input end signal is fixed tentatively in the PIN7 connections of power supply+5V, the main control chip U1, the main control chip U1's
The sample circuit for output end signal is fixed tentatively in PIN6 connections, and PIN3, PIN5 connection status and failure of the main control chip U1 refer to
Show that circuit, PIN2, PIN4 of the main control chip U1 connect PIN3, PIN6 of driving chip U2, the driving chip U2's
PIN1, PIN4 connect magnetic latching relay K1.
2. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
Fixing tentatively for stating is made of for the sample circuit of input end signal resistance R9, diode D1, capacitance C7, resistance R7.
3. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
Fixing tentatively for stating is made of for the sample circuit of output end signal resistance R10, diode D2, capacitance C8, resistance R8.
4. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
The state and failure indicating circuit stated are made of resistance R3, Light-emitting diode LED 1, LED2.
5. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
The ends INPUT-N for stating Self-recover overvoltage-undervoltage protector PCB circuit board connect zero curve with the ends OUTPUT-N.
6. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
The ends INPUT-L and the ends OUTPUT-L for stating Self-recover overvoltage-undervoltage protector PCB circuit board can connect input firewire, can also connect
Connect output line of fire.
7. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
The power supply for stating Self-recover overvoltage-undervoltage protector PCB circuit board uses two-way firewire rectification.
8. a kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line according to claim 1, which is characterized in that institute
The normal voltage section for stating Self-recover overvoltage-undervoltage protector is 190V between 250V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101837.9U CN207801456U (en) | 2018-01-22 | 2018-01-22 | A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101837.9U CN207801456U (en) | 2018-01-22 | 2018-01-22 | A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801456U true CN207801456U (en) | 2018-08-31 |
Family
ID=63269376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820101837.9U Expired - Fee Related CN207801456U (en) | 2018-01-22 | 2018-01-22 | A kind of Self-recover overvoltage-undervoltage protector not needing to distinguish inlet-outlet line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801456U (en) |
-
2018
- 2018-01-22 CN CN201820101837.9U patent/CN207801456U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180831 Termination date: 20200122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |