CN106356861A - Safety control circuit for main mixed-feeding power of four-head weigher - Google Patents
Safety control circuit for main mixed-feeding power of four-head weigher Download PDFInfo
- Publication number
- CN106356861A CN106356861A CN201610809380.2A CN201610809380A CN106356861A CN 106356861 A CN106356861 A CN 106356861A CN 201610809380 A CN201610809380 A CN 201610809380A CN 106356861 A CN106356861 A CN 106356861A
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- China
- Prior art keywords
- line
- control circuit
- power
- safety control
- main power
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention aims to provide a safety control circuit for main mixed-feeding power of a four-head weigher. The safety control circuit comprises main power lines and a voltage-regulation controller; an LC power filter used for power signal filtering and air switches QF used for line safety are arranged on the main power lines, the main power lines include a firing line L, a null line N and a grinding line PE, the air switches QF1 are arranged between the main power lines and the LC power filter, and a power column line is connected with the voltage-regulation controller. By the arrangement, under conditions that overload, short circuit, voltage shortage and the like occur to the lines and loads, the circuits can be disconnected rapidly, reliable protection is achieved, protection strength of the lines and safety in power utilization are improved, damage to electrical components is reduced, service life is prolonged, and maintenance cost is lowered.
Description
Technical field
The present invention relates to the field of four-head scale aspect, ground including the security control matching four-head scale mixing feed aspect
Send out and improve, more particularly, to a kind of safety control circuit of four-head scale mixing feed main power source.
Background technology
Progress with technology and the development of science and technology, the weighing and bagging for product progresses into intensive, big production
In the epoch, in product packaging, weighing process to be carried out to product, the four-head weigher using when weighing at this stage is 4 sets of independences
Weighing system composition, the LOAD CELLS directly passing through wherein when weighing on Weighing module directly believes to weighing products data
Number it is acquired, during the use of four-head scale, supply voltage is directly powered generally by external circuit, often lack necessary guarantor
Shield, can carry substantial amounts of electric current, therefore can lead to the badly damaged of electric components, have a strong impact in circuit ON and disjunction
The service life of six scales, decreases maintenance cycle, increased use cost.
Therefore it provides a kind of safety control circuit of four-head scale mixing feed main power source, to passing through in four-head scale
Main power line on arrange protection circuit, protected by the air switch in protection circuit and lc power-supply filter, fast
Fast disjunction circuit, is reliably protected, and improves the protection intensity of circuit, the voltage of power circuit output is filtered simultaneously
Process, put forward high-tension stability, improve the safety of electricity consumption, reduce the damage to electric components, increase service life, reduce
Maintenance cost, with regard to becoming the problem of those skilled in the art's urgent need to resolve.
Content of the invention
It is an object of the invention to provide a kind of safety control circuit of four-head scale mixing feed main power source, to passing through
The main power line of four-head scale arranges protection circuit, is carried out by the air switch in protection circuit and lc power-supply filter
Protection, and can circuit and load transship, short-circuit, under-voltage when, rapid disjunction circuit, reliably protected,
Improve the protection intensity of circuit, improve the safety of electricity consumption, reduce the damage to electric components, increase service life, reduce dimension
Accomplish this.
For solving technical problem described in background technology, the present invention employs the following technical solutions:
A kind of safety control circuit of four-head scale mixing feed main power source, including power supply main line and voltage regulator controllers, institute
The power supply main line stated is provided with the lc power-supply filter for power supply signal filtering and the air switch qf for line security,
Power supply main line is divided into live wire l, zero line n and earth lead pe, is provided with air switch between power supply main line and lc power-supply filter
Qf1, power supply post circuit is connected with voltage regulator controllers.
Preferably, described voltage regulator controllers have 4 port l13 and 4 port n13, with master after 4 port l13 short circuits
The live wire l of power circuit connects, and is connected with the zero line n of main power line after 4 port n13 short circuits.
Preferably, it is provided with air switch qf2 between described voltage regulator controllers and port.
Preferably, the safety arrestment electric current of described air switch qf1 is set to 10a, the safety arrestment electricity of air switch qf2
Stream is set to 6a, is controlled by different safe currents, main line and branch line individually can be controlled, and improves the essence of reaction
Degree.
Preferably, described earth lead pe and voltage regulator controllers carry out grounding connection, make whole circuit carry out grounding connection,
The electric arc producing in work directly can be carried out arc extinguishing by earth lead, improve the safety of whole circuit.
The invention has the beneficial effects as follows:
1), protected by the air switch in protection circuit and lc power-supply filter, and can be sent out in circuit and load
Raw overload, short-circuit, under-voltage when, rapid disjunction circuit, reliably protected, improved the protection intensity of circuit.
2), the voltage of power circuit output is filtered processing, puies forward high-tension stability, improve the safety of electricity consumption,
Reduce the damage to electric components, increase service life, reduce maintenance cost.
Brief description
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention described in one
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of safety control of the safety control circuit specific embodiment of present invention four-head scale mixing feed main power source
Circuit diagram processed.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this
Bright it is further detailed.
Refer to Fig. 1, a kind of safety control circuit of four-head scale mixing feed main power source, including power supply main line and pressure regulation
Controller, described power supply main line is provided with the lc power-supply filter for power supply signal filtering and the sky for line security
Air cock qf, power supply main line is divided into live wire l, zero line n and earth lead pe, is provided between power supply main line and lc power-supply filter
Air switch qf1, power supply post circuit is connected with voltage regulator controllers.
Further, described voltage regulator controllers have 4 port l13 and 4 port n13, after 4 port l13 short circuits with
The live wire l of main power line connects, and is connected with the zero line n of main power line after 4 port n13 short circuits.
Further, it is provided with air switch qf2 between described voltage regulator controllers and port.
Further, the safety arrestment electric current of described air switch qf1 is set to 10a, the safety arrestment of air switch qf2
Electric current is set to 6a, is controlled by different safe currents, main line and branch line individually can be controlled, and improves reaction
Precision.
Further, described earth lead pe and voltage regulator controllers carry out grounding connection, make whole circuit carry out ground connection even
Connect, the electric arc producing directly can be carried out arc extinguishing by earth lead, improve the safety of whole circuit in work.
The above some one exemplary embodiment only describing the present invention by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain, in the case of without departing from the spirit and scope of the present invention, can by with various different in the way of to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The restriction of claims.
Claims (5)
1. a kind of safety control circuit of four-head scale mixing feed main power source, including power supply main line and voltage regulator controllers, it is special
Levy and be: described power supply main line is provided with the lc power-supply filter for power supply signal filtering and the sky for line security
Air cock qf, power supply main line is divided into live wire l, zero line n and earth lead pe, is provided between power supply main line and lc power-supply filter
Air switch qf1, power supply post circuit is connected with voltage regulator controllers.
2. a kind of safety control circuit of four-head scale mixing feed main power source according to claim 1 is it is characterised in that institute
The voltage regulator controllers stated have 4 port l13 and 4 port n13, connect with the live wire l of main power line after 4 port l13 short circuits
Connect, be connected with the zero line n of main power line after 4 port n13 short circuits.
3. a kind of safety control circuit of four-head scale mixing feed main power source according to claim 1 is it is characterised in that institute
It is provided with air switch qf2 between the voltage regulator controllers stated and port.
4. a kind of safety control circuit of four-head scale mixing feed main power source according to claim 1 is it is characterised in that institute
The safety arrestment electric current of the air switch qf1 stating is set to 10a, and the safety arrestment electric current of air switch qf2 is set to 6a.
5. a kind of safety control circuit of four-head scale mixing feed main power source according to claim 1 is it is characterised in that institute
The earth lead pe stating and voltage regulator controllers carry out grounding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610809380.2A CN106356861A (en) | 2016-09-07 | 2016-09-07 | Safety control circuit for main mixed-feeding power of four-head weigher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610809380.2A CN106356861A (en) | 2016-09-07 | 2016-09-07 | Safety control circuit for main mixed-feeding power of four-head weigher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106356861A true CN106356861A (en) | 2017-01-25 |
Family
ID=57859011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610809380.2A Pending CN106356861A (en) | 2016-09-07 | 2016-09-07 | Safety control circuit for main mixed-feeding power of four-head weigher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356861A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075685Y (en) * | 2007-07-13 | 2008-06-18 | 李文斌 | Combining pressure regulating type electricity saver |
| CN103426682A (en) * | 2012-05-15 | 2013-12-04 | 赵旭阳 | Relay with safety device and relay safety device |
| CN204790668U (en) * | 2015-07-02 | 2015-11-18 | 如皋市图腾电力科技有限公司 | Single -phase low voltage compensation device |
-
2016
- 2016-09-07 CN CN201610809380.2A patent/CN106356861A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075685Y (en) * | 2007-07-13 | 2008-06-18 | 李文斌 | Combining pressure regulating type electricity saver |
| CN103426682A (en) * | 2012-05-15 | 2013-12-04 | 赵旭阳 | Relay with safety device and relay safety device |
| CN204790668U (en) * | 2015-07-02 | 2015-11-18 | 如皋市图腾电力科技有限公司 | Single -phase low voltage compensation device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |