CN208621976U - A kind of hot flow path pressure regulation card - Google Patents
A kind of hot flow path pressure regulation card Download PDFInfo
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- CN208621976U CN208621976U CN201821229454.6U CN201821229454U CN208621976U CN 208621976 U CN208621976 U CN 208621976U CN 201821229454 U CN201821229454 U CN 201821229454U CN 208621976 U CN208621976 U CN 208621976U
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- regulation card
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Abstract
The utility model discloses a kind of hot flow path pressure regulation card, it includes pressure regulation card, and the wiring board of the pressure regulation card includes power module, display module, control module, input module and output module, and power module provides DC+5V and DC12V working power for system；Input module provides input setting voltage range for user；The analog signal for the voltage that control module will test is converted to corresponding digital signal and carries out linear process, obtain actual voltage value, it is sent to display module all the way, another way obtains difference compared with user sets voltage range, after pid control computation, show that optimal control amount is sent to output module.The utility model has short-circuit protection, and the functions such as overload protection and overheating protection can reduce the load of wiring board, improve the service life of pressure regulation card, and included protective tube is protected, and replacement is convenient, and voltage adjust and show it is more convenient accurate.
Description
Technical field
The utility model belongs to temperature control device technical field, especially a kind of hot flow path pressure regulation card.
Background technique
Hot flow path (hot runner) is used in the injection mold, is to the running gate system of injection mold using insulation
Or heating means, so that its plastic melt is remained molten condition, to avoid generating gating system of material.Hot flow path is injection molding
An indispensable link in molding.The key of hot flow path is to be the control of temperature, if temperature control inaccuracy, produces
Product molding then will appear various defects.Common hot runner controller mostly use temp.-sensing wire carry out thermometric, and for actual temperature into
Row adjustment, but for multipoint system or bottle embryo system, temp.-sensing wire is adjusted according to temperature transmitting, therefore sensitivity and tune
For pressure compared to inaccurate, interference free performance can not be compared with pressure regulation card.
Utility model content
To solve the above problem existing for common hot runner controller, it is simple that the utility model provides a kind of structure, operation
Convenient and precision is high, shock resistance is strong, good reliability, strong antijamming capability, outer dimension is small, light-weight, clear reading, ignores
Difference and can distant surveillance etc. hot flow path pressure regulation card, pass through and adjust the principle of voltage and realize the temperature control of hot runner system.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of hot flow path pressure regulation card, it includes pressure regulation card, the wiring board of the pressure regulation card include power module, display module,
Control module, input module and output module, power module provide DC+5V working power for control module, mention for output module
For DC12V working power；Display module, input module and output module are connected with control module respectively；Input module is user
Input setting voltage range is provided；The analog signal for the voltage that control module will test be converted to corresponding digital signal into
Row linear process obtains actual voltage value, is sent to display module all the way, another way set voltage range with user compared with
Difference out show that optimal control amount is sent to output module after pid control computation；Display module provides directly for user
The control voltage and setting voltage of sight；Obtained Optimal Control amount is sent to silicon-controlled next by output module in the form of pulse signal
Control heater.
Further, control module uses phase-shifting trigger mode to silicon-controlled, changes and loads having for upper each work done waveform
Valid value adjusts heating power in a manner of continuous slowly pressure regulation to change silicon-controlled output AC voltage size.
Further, depth voltage negative feedback circuit is provided in control module.
The utility model has the advantages that
1. the utility model by digital display pressure regulation card and it is silicon-controlled be used cooperatively, the voltage in load is adjusted；It adjusts
Pressure card uses phase-shifting trigger mode to silicon-controlled, changes the virtual value for loading upper each work done waveform, can continuously slow pressure regulation
Mode adjust heating power；Pressure regulation card has good adjustment linear, power network fluctuation due to the effect of depth negative voltage feedback
Influence also minimize, thus can quietly control very much heter temperature, be quick on the draw, eliminate it is traditional by temp.-sensing wire into
Trip temperature control is especially applied very suitable for all products in preform mould, the molding of bottle cap mold medical product
Extensively；It can make load voltage detection with ordinary electric meter simultaneously.
2. the utility model has short-circuit protection, the functions such as overload protection and overheating protection can reduce the load of wiring board,
Improve the service life of pressure regulation card, included protective tube protected, and replacement is convenient, and voltage adjust and show it is more convenient accurate.
Detailed description of the invention
Fig. 1 is the panel schematic diagram of hot flow path pressure regulation card of the invention；
Fig. 2 is the circuit diagram of hot flow path pressure regulation card of the invention；
Fig. 3 is the wiring diagram of silicon-controlled external hot flow path pressure regulation card of the invention；
Fig. 4 is the wiring diagram of silicon-controlled built-in hot flow path pressure regulation card of the invention；
In figure: 1- power module, 2- display module, 3- control module, 4- input module, 5- output module.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
The utility model proposes a kind of hot flow path pressure regulation cards, as shown in Figure 1, the panel of the hot flow path pressure regulation card includes number
Display screen, regulating key and power switch and surface frame OK a karaoke club hand, wherein digital display screen is divided into two rows, and upper row PV is shown in
Line voltage measurement value, lower row SV show voltage setting value；Regulating key is divided into addend key " ∧ " and (adjusts, press for numerical value increment
It is firmly motionless to adjust fastly) or subtrahend key " ∨ " (being used for numerical value down-regulation, pin motionless can adjust fastly), what changeable lower row SV was shown
Voltage setting value (load upper voltage) reach required value and upper row PV be shown in line voltage measurement value can be automatically by anti-
It is corresponding with setting value to present tracking adjustment；Power switch, a left side are set to pass, and the right side is set to out.
As shown in Fig. 2, the wiring board of the hot flow path pressure regulation card include power module 1, it is display module 2, control module 3, defeated
Enter module 4 and output module 5, wherein power module 1 includes a transformer, the rectifier bridge being made of four diodes, one
Diode, a voltage-stablizer LM7805, two capacitors, two filter capacitors and two resistance etc. provide DC+ for control module 3
5V working power provides DC12V working power for output module 5；Display module 2 includes the composition such as six charactrons, is user
Intuitive control voltage and setting voltage are provided；Control module 3 includes a single-chip microcontroller PIC712, memory 24C04, one
Chip 74HC164, a filter capacitor, two capacitors, 13 resistance, diode, one for an a drive digital tube
A crystal oscillator and depth voltage negative feedback circuit are (whole including three resistance, two filter capacitors and by being made of four diodes
Flow bridge) etc., the analog signal of the voltage detected with ordinary electric meter is converted to corresponding digital signal and carries out linear process,
It obtains actual voltage value, is sent to display module 2 all the way, another way obtains difference compared with user sets voltage range, passes through
After crossing pid control computation, show that optimal control amount is sent to output module 5；Input module 4 includes two microswitches and two
A diode etc. provides input setting voltage range for user；Output module 5 includes a capacitor, three resistance, two three poles
Pipe, two diodes and a pulse voltage device etc., it is mainly sent obtained Optimal Control amount in the form of pulse signal
Heater is controlled to silicon-controlled.
Working principle of the utility model is: the hot flow path pressure regulation card as core technology and silicon-controlled is matched using single-chip microcontroller PIC712
It closes and uses, the voltage in load can be adjusted, use phase-shifting trigger mode to silicon-controlled, change and load upper each waveform
Virtual value adjusts heating power with the mode of continuous slowly pressure regulation to change silicon-controlled output AC voltage size.Due to depth
The effect for spending negative voltage feedback, adjusts linear grid fluctuations affect and also minimizes, and load is made to obtain stable alternating voltage.It should
Hot flow path pressure regulation card has good adjustment linear, can make load voltage detection with ordinary electric meter.
This hot flow path pressure regulation card uses negative voltage feedback, forbids to carry out half-wave power supply to load, in order to avoid the direct current in load
Electricity burns the feedback transformer inside pressure regulation card, usually using also preventing silicon-controlled unilateral conducting.This hot flow path pressure regulation card
The inductive loads such as induction furnace, step-down transformer must not be driven, it is silicon-controlled with anti-tamper.This hot flow path pressure regulation card takes care of Shi Yingfang
In drying, ventilation, non-corrosive gas place, and environment temperature relative humidity meets technical requirements.This hot flow path pressure regulation card
Output pulse: amplitude is not less than 3V, and width phase-shifting trigger maximum conduction angle: is not less than not less than 50 μ S while loading (20 Ω)
150 DEG C, working environment: 0-50 DEG C of relative humidity of temperature is no more than 85% non-corrosive gas occasion, power supply: alternating current 220V
± 15, frequency 50Hz, power≤5w.
As shown in figure 3, silicon-controlled (ZKE) is external in this hot flow path pressure regulation card, in N, L wiring of this hot flow path pressure regulation card
It is provided with fuse, protection pressure regulation snaps past stream.As shown in figure 4, silicon-controlled (ZKE) is built in this hot flow path pressure regulation card, this hot-fluid
Fuse is provided in N, L wiring of road pressure regulation card, protection pressure regulation snaps past stream.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the protection scope of the utility model.
Claims (3)
1. a kind of hot flow path pressure regulation card, it includes pressure regulation card, and the wiring board of the pressure regulation card includes power module (1), display mould
Block (2), control module (3), input module (4) and output module (5), it is characterised in that: the power module (1) is the control
Molding block (3) provides DC+5V working power, provides DC12V working power for the output module (5)；The display module
(2), the input module (4) and the output module (5) are connected with the control module (3) respectively；The input module (4)
Input setting voltage range is provided for user；The analog signal for the voltage that the control module (3) will test is converted to relatively
The digital signal answered carries out linear process, obtains actual voltage value, is sent to all the way the display module (2), another way with
User sets voltage range and relatively obtains difference, after pid control computation, show that optimal control amount is sent to the output
Module (5)；The display module (2) provides intuitive control voltage and setting voltage for user；The output module (5) is incited somebody to action
To Optimal Control amount be sent in the form of pulse signal and silicon-controlled to control heater.
2. hot flow path pressure regulation card according to claim 1, it is characterised in that: the control module (3) is to silicon-controlled use
Phase-shifting trigger mode changes the virtual value for loading upper each work done waveform, thus change silicon-controlled output AC voltage size, with
The mode of continuous slowly pressure regulation adjusts heating power.
3. hot flow path pressure regulation card according to claim 1 or 2, it is characterised in that: be provided with depth in the control module (3)
Spend voltage negative feedback circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229454.6U CN208621976U (en) | 2018-08-01 | 2018-08-01 | A kind of hot flow path pressure regulation card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229454.6U CN208621976U (en) | 2018-08-01 | 2018-08-01 | A kind of hot flow path pressure regulation card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621976U true CN208621976U (en) | 2019-03-19 |
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ID=65708221
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821229454.6U Active CN208621976U (en) | 2018-08-01 | 2018-08-01 | A kind of hot flow path pressure regulation card |
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| CN (1) | CN208621976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047985A (en) * | 2023-08-03 | 2023-11-14 | 广州捷克易自动化设备有限公司 | Hot runner voltage control system and control method |
-
2018
- 2018-08-01 CN CN201821229454.6U patent/CN208621976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117047985A (en) * | 2023-08-03 | 2023-11-14 | 广州捷克易自动化设备有限公司 | Hot runner voltage control system and control method |
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