CN209524755U - A kind of industry boiler control system - Google Patents
A kind of industry boiler control system Download PDFInfo
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- CN209524755U CN209524755U CN201920003999.3U CN201920003999U CN209524755U CN 209524755 U CN209524755 U CN 209524755U CN 201920003999 U CN201920003999 U CN 201920003999U CN 209524755 U CN209524755 U CN 209524755U
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- Prior art keywords
- frequency converter
- feeding
- control system
- control module
- industry boiler
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Abstract
The utility model discloses a kind of industry boiler control systems, including control module, the control module is connected with the feeding frequency converter of storage boiler different working condition switch logic, the feeding frequency converter is connected with the feeding motor for feeding, the simulation input terminal for receiving analog temperature signal and the intermediate relay for output of lighting a fire, the simulation input terminal is connected with the temperature element that can acquire pot in-furnace temperature, and the intermediate relay is connected with ignition controller.Its is full-featured, it is professional to maintenance personnel require it is low, it is at low cost, high-efficient.
Description
Technical field
The utility model relates to control systems, and in particular to a kind of industry boiler control system.
Background technique
Currently, common boiler control system needs to adjust feeding speed and blower speed when controlling temperature
Section.Speed of the feeder equipment under different conditions is that the multistage speed for controlling frequency converter by the contact of PLC is realized.Boiler is worked as
Preceding temperature is that the temperature conversion module passed through again in PLC by thermocouple temperature collection is converted into digital quantity.But PLC price is high
It is expensive and high to the professional requirement of personnel when writing program, control system it is at high cost.
Utility model content
It is full-featured the technical problem to be solved by the present invention is to provide a kind of industry boiler control system, to dimension
It is low to protect personnel specialty requirement, it is at low cost, high-efficient.
In order to solve the above-mentioned technical problem, the utility model provides a kind of industry boiler control system, including control mould
Block, the control module are connected with the feeding frequency converter of storage boiler different working condition switch logic, the feeding frequency converter
It is connected with the feeding motor for feeding, the simulation input terminal for receiving analog temperature signal and in output of lighting a fire
Between relay, the simulation input terminal is connected with the temperature element that can acquire pot in-furnace temperature, and the intermediate relay connects
It is connected to ignition controller.
Preferably, the control module is connected with fan frequency converter, the fan frequency converter is connected with blower motor.
Preferably, being connected with the mV that can export temperature element between the simulation input terminal and temperature element
Signal is changed into the transmitter module of the analog signals of 4~20mA or 0~10V.
Preferably, analog signals can be converted by being connected between the simulation input terminal and transmitter module
At the processing circuit of 4~20mA or the 0-10V signal with temperature line relationship.
Preferably, analog signals can be carried out by being connected between the simulation input terminal and transmitter module
The processing circuit that voltage regulation filtering, operation amplifier, gamma correction, V/I conversion, constant current and reverse protection are handled.
Preferably, the feeding frequency converter and fan frequency converter are communicated to connect in control module by RS485.
Preferably, the control module is the touch screen for capableing of read work state.
Preferably, the control module is that can read frequency converter working condition, control fan frequency converter work ginseng
Number and the touch screen for setting pre- feeding frequency converter running parameter.
Preferably, the control module is arranged on feeding frequency converter.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model can be replaced by the feeding frequency converter of setting modification program in combination with intermediate relay
Control of the PLC to motor speed and peripheral equipment greatly reduces cost, and the requirement to personnel specialty.
2, the utility model is by setting temperature element, can real-time monitoring in-furnace temperature, and by feeding frequency converter
Upper setting simulation input terminal, can enable feeding frequency converter receive temperature signal, to carry out cutting for different working condition
It changes.
3, the utility model can separate strong and weak electricity by setting intermediate relay, make igniting more safety and stability.
Detailed description of the invention
For the clearer technical solution illustrated in the utility model embodiment technology, embodiment technology will be retouched below
Attached drawing needed in stating is 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, additionally it is possible to according to
These attached drawings obtain other attached drawings.
Fig. 1 is the attachment structure schematic diagram of the utility model；
Fig. 2 is the workflow schematic diagram of the utility model.
Specific embodiment
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
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on this it is practical in embodiment, those of ordinary skill in the art are without creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment
Shown in referring to Fig.1~Fig. 2, the utility model discloses a kind of industry boiler control systems, including control module.
The feeding frequency converter and blower that storage boiler different working condition switch logic is connected in above-mentioned control module become
Frequency device.Above-mentioned working condition includes but is not limited to pre- feeding state, fired state, heated condition and keeping warm mode.Feeding frequency conversion
Device and fan frequency converter can be communicated to connect in control module by RS485.Control module, which can be, can read frequency converter
The touch screen of working condition can control the speed of service of fan frequency converter according to current state, while can set feeding
The running parameter of frequency converter；In addition current temperature and locating working condition can also be shown.Touch screen keeps operation visual
Change, simple and convenient, integrated level is high.Control module can be set on feeding frequency converter, with improve integrated level, reduce exploitation at
This.
Feeding motor, simulation input terminal and intermediate relay are connected on above-mentioned feeding frequency converter.
Above-mentioned feeding motor can change feeding frequency under the driving of feeding frequency converter, so that boiler enters different works
Make state.
It is connected with transmitter module on above-mentioned simulation input terminal, processing circuit is arranged inside.Connect on transmitter module
It is connected to temperature element.Temperature element can measure the temperature in boiler, and output signals in transmitter module.Transmitter module
The mV signal received can be changed into the analog quantity of 4~20mA or 0~10V that frequency converter simulation input terminal can acquire
Signal.This analog signals can be carried out voltage regulation filtering, operation amplifier, gamma correction, V/I conversion, constant current by processing circuit
And the processing such as reverse protection, so that it is converted into 4~20mA or the 0-10V signal with temperature line relationship.
Above-mentioned intermediate relay is connected with ignition controller.In fired state, intermediate relay can be exported and be controlled
Ignition controller is lighted a fire.
Above-mentioned fan frequency converter is connected with blower motor.Blower motor can change blower under the driving of fan frequency converter
Frequency, so that boiler enters different working conditions.
Working principle:
Pre- feeding: after starting feeding frequency converter, feeding Frequency Converter Control feeding motor carries out feeding.
Igniting: after the pre- feeding time of setting, feeding frequency converter enters spark rate, is simultaneously emitted by signal to centre
Relay and control module, intermediate relay control ignition controller are lighted a fire；Control module sends a signal to fan frequency conversion
Device makes fan frequency converter enter spark rate.
Heating: temperature and real time output in temperature element monitoring boiler give feeding frequency converter, and feeding frequency converter will
The signal received is converted into Current Temperatures and compares with set temperature, and when Current Temperatures are lower than set temperature, feeding becomes
Frequency device enters heating frequency；Feeding frequency converter sends a signal to control module simultaneously, and control module fan frequency converter issues letter
Number, make it into heating frequency.
Heat preservation: temperature element continues to monitor the temperature in boiler, when Current Temperatures are not less than set temperature, that is, issues letter
Number feeding frequency converter is given, it enters heat preservation frequency with feeding frequency converter, and sends a signal to control module, while control module is to wind
Machine frequency converter issues signal, and fan frequency converter is made to enter heat preservation frequency；When Current Temperatures are again below set temperature, thermometric member
Part sends a signal to feeding frequency converter, and feeding frequency converter and fan frequency converter is made to enter heating frequency, to reach maintenance pot
The stable purpose of in-furnace temperature.
Current embodiment require that supplementary explanation: the utility model control module, feeding frequency converter, fan frequency converter, in
Between the specific hardware configuration composition such as relay, fractional hardware has the participation of software program, auxiliary the machine fortune in the process of running
Capable software program is existing reproducible software program, does not constitute the innovative point of the application.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with novel point.
Claims (9)
1. a kind of industry boiler control system, which is characterized in that including control module, the control module is connected with storage boiler
The feeding frequency converter of different working condition switch logic, the feeding frequency converter are connected with the feeding motor for feeding, are used for
Receive the simulation input terminal of analog temperature signal and the intermediate relay for output of lighting a fire, the simulation input terminal connection
There is the temperature element that can acquire pot in-furnace temperature, the intermediate relay is connected with ignition controller.
2. industry boiler control system as described in claim 1, which is characterized in that the control module is connected with fan frequency conversion
Device, the fan frequency converter are connected with blower motor.
3. industry boiler control system as described in claim 1, which is characterized in that the simulation input terminal and temperature element
Between be connected with can by temperature element export mV signal be changed into 4~20mA or 0~10V analog signals transmitter
Module.
4. industry boiler control system as claimed in claim 3, which is characterized in that the transmitter module includes can be by mould
Analog quantity signal is converted into the processing circuit with 4~20mA or the 0-10V signal of temperature line relationship.
5. industry boiler control system as claimed in claim 4, which is characterized in that the transmitter module includes can be by mould
Analog quantity signal carries out voltage regulation filtering, operation amplifier, gamma correction, V/I conversion, constant current and the processing electricity of reverse protection processing
Road.
6. industry boiler control system as described in claim 1, which is characterized in that the feeding frequency converter and fan frequency converter
Through RS485 communication connection in control module.
7. industry boiler control system as described in claim 1, which is characterized in that the control module is being capable of read work
The touch screen of state.
8. industry boiler control system as claimed in claim 7, which is characterized in that the control module is that can read frequency conversion
The touch screen of device working condition, control fan frequency converter running parameter and the pre- feeding frequency converter running parameter of setting.
9. the industry boiler control system as described in claim 1-8 any one, which is characterized in that the control module setting
On feeding frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003999.3U CN209524755U (en) | 2019-01-03 | 2019-01-03 | A kind of industry boiler control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003999.3U CN209524755U (en) | 2019-01-03 | 2019-01-03 | A kind of industry boiler control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524755U true CN209524755U (en) | 2019-10-22 |
Family
ID=68228815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920003999.3U Active CN209524755U (en) | 2019-01-03 | 2019-01-03 | A kind of industry boiler control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209524755U (en) |
-
2019
- 2019-01-03 CN CN201920003999.3U patent/CN209524755U/en active Active
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