CN208820682U - A kind of high-frequency heat sealing machine anti-jamming circuit - Google Patents
A kind of high-frequency heat sealing machine anti-jamming circuit Download PDFInfo
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- CN208820682U CN208820682U CN201821426883.2U CN201821426883U CN208820682U CN 208820682 U CN208820682 U CN 208820682U CN 201821426883 U CN201821426883 U CN 201821426883U CN 208820682 U CN208820682 U CN 208820682U
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Abstract
The utility model discloses a kind of high-frequency heat sealing machine anti-jamming circuits, including TN-S power supply, radio-frequency generator power supply circuit, press power supply circuit and low-voltage direct control circuit, the low-voltage direct control circuit includes touch screen DC power supply circuit and PLC DC power supply circuit, radio-frequency generator power-supply filter is equipped with before radio-frequency generator power supply circuit, press power-supply filter is equipped with before press power supply circuit, ground connection filter capacitor group is additionally provided with after radio-frequency generator power-supply filter, the low-voltage direct control circuit further includes single-phase isolating transformer, it is connected to ground connection filter capacitor and resistance respectively on the cathode of vertoro DC output end, control circuit power-supply filter is further connected in isolating transformer primary side, the anti-High-frequency Interference ability of the high-frequency heat sealing machine anti-jamming circuit is strong, high-frequency electric wave is to electronic controller The influence of part is small, and touch screen and PLC controller can be used as control device, the high degree of automation of equipment.
Description
Technical field
The utility model relates to a kind of circuit of high-frequency heat sealing machine, it is especially a kind of in high-frequency heat sealing machine using touch screen and
The anti-jamming circuit of PLC controller.
Background technique
The principle of high-frequency heat sealing machine is under the action of high-frequency electric field, and position occurs for the molecule positive and negative charge of heated material
It moves, forms electric dipole, electric dipole polarizes repeatedly, makes severe friction between molecule and generate heat.The electricity that heated material absorbs
Field energy is transformed to thermal energy, the purpose for having reached heating welding material, and having been welded.Using mold of different shapes and respectively
The different dielectric loss of substance may be implemented selectively to heat to heated material, required for really energy is focused on
Position.Another feature of high-frequency dielectric heating is the material that is heated from inside to outside while being heated that this is other heating sides
What formula can not replace.Since the high frequency radiation of powerful high-frequency heat sealing machine is larger, the stabilization of electric elements in meeting jamming equipment
Property, and its service life is influenced, therefore, high-power high-frequency heat-sealing machine in the prior art cannot use PLC controller and touch
The electronic control devices such as screen.
Utility model content
Utility model technical problems to be solved are: providing a kind of high-frequency heat sealing machine anti-jamming circuit, the high-frequency heat sealing machine
The anti-High-frequency Interference ability of anti-jamming circuit is strong, and influence of the high-frequency electric wave to electronic control device is small, can be used touch screen and
PLC controller is as control device, the high degree of automation of equipment.
The technical solution adopted for solving the technical problem: a kind of high-frequency heat sealing machine anti-jamming circuit, including TN-S power supply are high
Frequency generator power supply circuit, press power supply circuit and low-voltage direct control circuit, the low-voltage direct control circuit include touching
Shield DC power supply circuit and PLC DC power supply circuit, the PLC power circuit include PLC input power, PLC out-put supply and
Cpu power is equipped with radio-frequency generator power-supply filter before radio-frequency generator power supply circuit, and pressure is equipped with before press power supply circuit
Electromechanical source filter is additionally provided with ground connection filter capacitor group, the ground connection filter capacitor group after radio-frequency generator power-supply filter
It being made of 4 feedthrough capacitors, one end of each feedthrough capacitor is connect with phase line or the neutral conductor respectively, and the other end is connect with ground wire,
The low-voltage direct control circuit further includes single-phase isolating transformer, primary side phase-connecting wire, the neutral conductor of single-phase isolating transformer
And ground wire, the secondary side of single-phase isolating transformer are straight with PLC input power, PLC out-put supply and cpu power and touch screen respectively
The vertoro in galvanic electricity source connects, be connected to respectively on the cathode of each vertoro DC output end ground connection filter capacitor and
Resistance is further connected with control circuit power-supply filter in isolating transformer primary side.
Improvement as the utility model: the control circuit power-supply filter is bipolar high-performance electric source filter.
As further improvement of the utility model: the every intercoil connection in the connecting terminal of low-voltage direct control circuit
It is connected to a ground connection filter capacitor.
Further improvement as the utility model: the phase line and the neutral conductor before control circuit power-supply filter are indirect
There are two capacitor in parallel, one is MP metallized paper Jie filter capacitor, another crosses voltage capacitance for tile filtering is anti-.
The utility model has the advantages that the high-frequency heat sealing machine anti-jamming circuit of the utility model, powers due to using in radio-frequency generator
It is equipped with radio-frequency generator power-supply filter before circuit, press power-supply filter is equipped with before press power supply circuit, occurs in high frequency
It is additionally provided with ground connection filter capacitor group after device power-supply filter, single-phase isolating transformer is set in low-voltage direct control circuit, and
It is connected to ground connection filter capacitor respectively on the cathode of each vertoro DC output end, is further connected in isolating transformer primary side
The technical characteristics such as control circuit power-supply filter, the anti-High-frequency Interference ability for improving high-frequency heat sealing machine anti-jamming circuit is strong, gram
It has taken high-power high-frequency and influence of the circuit to electronic control device occurs, so that the high-frequency heat sealing machine using the utility model is anti-dry
Touch screen and PLC controller can be used as control device in the high-frequency heat sealing machine for disturbing circuit, improves the automation journey of equipment
Degree is high, keeps the more convenient control of high frequency heat seal, heat seal parameter setting, control more accurate, the scope of application is wider.By using institute
The technical characteristic that control circuit power-supply filter is bipolar high-performance electric source filter is stated, can inhibit continuous or intermittence pulse
Interference further reduced high frequency and influence of the circuit to low-voltage direct control circuit occur, low-voltage direct control circuit is made to work
It is more stable.Since the every intercoil connection used in the connecting terminal of low-voltage direct control circuit is connected to a ground connection filtering
The technical characteristic of capacitor effectively can shield and filter the interference signal in cable.It is filtered due to using in control circuit power supply
Phase line before wave device is with the neutral conductor indirectly there are two capacitor in parallel, and one is MP metallized paper Jie filter capacitor, another is porcelain
Piece filters the anti-technical characteristic for crossing voltage capacitance, further improves the anti-High-frequency Interference ability of low-voltage direct control circuit, makes to adopt
With in the high-frequency heat sealing machine of the utility model touch screen and PLC controller work it is more stable, the service life is longer.
Detailed description of the invention
The high-frequency heat sealing machine anti-jamming circuit of the utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the electrical schematic diagram of the high-frequency heat sealing machine anti-jamming circuit of the utility model；
Fig. 2 is the connecting terminal electric appliance of the high-frequency heat sealing machine anti-jamming circuit mesolow DC control circuit of the utility model
Electrical schematic diagram.
Specific embodiment
As shown in Figure 1, the high-frequency heat sealing machine anti-jamming circuit of the utility model, including TN-S power supply 1, radio-frequency generator supply
Circuit 2, press power supply circuit 3 and low-voltage direct control circuit 4, the low-voltage direct control circuit include touch screen direct current
Source circuit 43 and PLC DC power supply circuit, the PLC DC power supply circuit include PLC input power 41, PLC out-put supply 42
With cpu power 44, radio-frequency generator power-supply filter Z1 is equipped with before radio-frequency generator power supply circuit, before press power supply circuit
Equipped with press power-supply filter Z2, it is isolated with radio-frequency generator power-supply filter and press power-supply filter with power supply, is made
The high-frequency heat sealing machine anti-jamming circuit of the utility model has good common mode and DM EMI rejection ability.
Ground connection filter capacitor group is additionally provided with after radio-frequency generator power-supply filter, the ground connection filter capacitor group is by 4
Feedthrough capacitor (C1, C2, C3, C35) is constituted, and one end of each feedthrough capacitor connect with phase line or the neutral conductor respectively, the other end and
Ground wire connection, can eliminate the influence of high-frequency coupling.
The low-voltage direct control circuit further includes single-phase isolating transformer TC1, and single-phase isolating transformer once flanks
Phase line, the neutral conductor and ground wire, the secondary side of single-phase isolating transformer are electric with PLC input power, PLC out-put supply and CPU respectively
The connection of the vertoro (U2-1, U2-2, U1-2, U1-1) of source and touch screen DC power supply.Single-phase isolating transformer makes once
Side and secondary side it is electrical completely insulated, be also isolated the circuit.In addition, the feature big using the high-frequency loss of its iron core, from
And high frequency spurs is inhibited to be passed to low-voltage direct control circuit.
It is connected to ground connection filter capacitor (C43, C44, C53, C54) respectively on the cathode of each vertoro DC output end
Resistance (R12, R13, R22, R23) in parallel is in parallel with ground connection filter capacitor, and capacitor can effectively filter out AC signal and discharge
High-frequency Interference, resistance can release electrostatic, the protection equipment such as PLC touch screen.Control electricity is further connected in isolating transformer primary side
Road power-supply filter, the control circuit power-supply filter are bipolar high-performance electric source filter, are filtered using bipolar high-performance
Device can inhibit continuous or intermittence impulse disturbances.
The capacitor that be further connected with two between the phase line before control circuit power-supply filter and the neutral conductor in parallel, in which: one
For MP metallized paper Jie's filter capacitor, another crosses voltage capacitance for tile filtering is anti-.
Preferably, as shown in Fig. 2, the every intercoil connection in the connecting terminal 5 of low-voltage direct control circuit is connected to one
A ground connection filter capacitor.
Claims (4)
1. a kind of high-frequency heat sealing machine anti-jamming circuit, including TN-S power supply, radio-frequency generator power supply circuit, press power supply circuit and
Low-voltage direct control circuit, it is characterized in that: the low-voltage direct control circuit includes touch screen DC power supply circuit and PLC direct current
Power circuit, the PLC DC power supply circuit includes PLC input power, PLC out-put supply and cpu power, in radio-frequency generator
It is equipped with radio-frequency generator power-supply filter before power supply circuit, press power-supply filter is equipped with before press power supply circuit, in high frequency
Ground connection filter capacitor group is additionally provided with after generator power filter, the ground connection filter capacitor group is made of 4 feedthrough capacitors, often
One end of a feedthrough capacitor is connect with phase line or the neutral conductor respectively, and the other end is connect with ground wire, the low-voltage direct control circuit
It further include single-phase isolating transformer, primary side phase-connecting wire, the neutral conductor and the ground wire of single-phase isolating transformer, single-phase isolating transformer
Secondary side respectively with the vertoro of PLC input power, PLC out-put supply and cpu power and touch screen DC power supply connect
It connects, ground connection filter capacitor and resistance is connected to respectively on the cathode of each vertoro DC output end, in isolating transformer one
Secondary side is further connected with control circuit power-supply filter.
2. high-frequency heat sealing machine anti-jamming circuit according to claim 1, it is characterized in that: the control circuit power-supply filter
For bipolar high-performance electric source filter.
3. high-frequency heat sealing machine anti-jamming circuit according to claim 1 or 2, it is characterized in that: in low-voltage direct control circuit
Connecting terminal in every intercoil connection be connected to a ground connection filter capacitor.
4. high-frequency heat sealing machine anti-jamming circuit according to claim 3, it is characterized in that: before control circuit power-supply filter
Phase line and the neutral conductor indirectly there are two capacitor in parallel, one is MP metallized paper Jie filter capacitor, another is that tile filters
It is anti-to cross voltage capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821426883.2U CN208820682U (en) | 2018-09-03 | 2018-09-03 | A kind of high-frequency heat sealing machine anti-jamming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821426883.2U CN208820682U (en) | 2018-09-03 | 2018-09-03 | A kind of high-frequency heat sealing machine anti-jamming circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208820682U true CN208820682U (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821426883.2U Active CN208820682U (en) | 2018-09-03 | 2018-09-03 | A kind of high-frequency heat sealing machine anti-jamming circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707902A (en) * | 2019-09-23 | 2020-01-17 | 清华大学 | Anti-interference circuit of power electronic transformer power module |
| CN112909927A (en) * | 2021-01-28 | 2021-06-04 | 青岛科捷机器人有限公司 | Control circuit of module system |
-
2018
- 2018-09-03 CN CN201821426883.2U patent/CN208820682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707902A (en) * | 2019-09-23 | 2020-01-17 | 清华大学 | Anti-interference circuit of power electronic transformer power module |
| CN112909927A (en) * | 2021-01-28 | 2021-06-04 | 青岛科捷机器人有限公司 | Control circuit of module system |
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