CN206397713U - Low pressure recycle barrel pump controller - Google Patents
Low pressure recycle barrel pump controller Download PDFInfo
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- CN206397713U CN206397713U CN201720023770.7U CN201720023770U CN206397713U CN 206397713 U CN206397713 U CN 206397713U CN 201720023770 U CN201720023770 U CN 201720023770U CN 206397713 U CN206397713 U CN 206397713U
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Abstract
The utility model discloses a kind of low pressure recycle barrel pump controller, including controller mainboard and manual operator two parts, it is characterised in that：Described controller mainboard includes substrate, MCU is provided with substrate, the Analog input mModule being connected with MCU is additionally provided with substrate, analog output module, switching input module, switching value output module, transistor output module, real time clock circuit, RS485 communication modules, the power-switching circuit being connected with external power source is additionally provided with substrate, and described power-switching circuit is above-mentioned MCU, Analog input mModule, analog output module, switching input module, switching value output module, transistor output module, real time clock circuit provides electric power.
Description
Technical field
The utility model is related to a kind of controller, particularly a kind of low pressure recycle barrel pump controller.
Background technology
In refrigeration systems, low pressure recycle bucket be one of important component therein, it can for storing refrigerant,
And refrigerant is exported by barrel pump.
Traditionally, the control of low pressure recycle barrel pump and supplying valve generally using control manually or uses FPGA control
Device control processed.There is a certain degree of deficiency in both modes：The mode controlled manually is not easy enough, and efficiency is relatively
It is low；And the overall price of programmable logic controller (PLC) is of a relatively high, the lifting of holistic cost is caused, and it also requires being carried out to it
Programming.Therefore a kind of method or apparatus that can solve the problem that above mentioned problem is needed now.
The content of the invention
The utility model is that design is ingeniously in order to solve the above-mentioned deficiency present in prior art, propose that one kind is simple in construction
It is wonderful, it is rationally distributed, run while barrel pump economical and efficient can be allowed, reach the low pressure recycle barrel pump controller of energy-saving purpose.
Technical solution of the present utility model is：A kind of low pressure recycle barrel pump controller, including controller mainboard and hand
Grasp device two parts, it is characterised in that：Described controller mainboard includes substrate, and MCU is provided with substrate, is also set on substrate
It is equipped with the Analog input mModule being connected with MCU, analog output module, switching input module, switching value output module, crystalline substance
Body pipe output module, real time clock circuit and RS485 communication modules, are additionally provided with the power supply being connected with external power source on substrate
Change-over circuit, and described power-switching circuit is above-mentioned MCU, Analog input mModule, analog output module, switching value
Input module, switching value output module, transistor output module, real time clock circuit and RS485 communication modules provide electric power.
Described manual operator includes substrate, and MCU is provided with substrate, is additionally provided with what is be connected with MCU on substrate
RS485 communication modules, key press detecting circuit, while MCU is also connected with LCD LCD backlight modules, also set up on substrate
There is power supply processing circuit, described power supply processing circuit is above-mentioned MCU, RS485 communication module, key press detecting circuit and LCD
LCD backlight module provides electric power.
RS485 communication modules in described controller mainboard communicate mould by the RS485 in RS485 buses and manual operator
Block is connected, and carries out data exchange.
The utility model compared with the existing technology, has the following advantages that：
The controller of this kind of structure type, is capable of various temperature, pressure, On-off signal of real-time acquisition system operation etc.
Data, and according to the parameters and current operating conditions of setting, control low pressure recycle barrel pump economical and efficient, safe and reliable fortune
OK；Running status is monitored in real time simultaneously, once there is exception, will be shown on the liquid crystal display module of manual operator
Warning information, and safety precautions is taken automatically.Monitoring low pressure recycle bucket liquid level, is controlled to supplying valve in several ways
System.Its appearance, the problem of solving the inconvenience and energy waste that low pressure recycle barrel pump and supplying valve traditional manual are controlled, improves
The high investment that is controlled using programmable logic controller (PLC) and programming it is cumbersome.At the same time using RS485 interfaces and far
Range monitoring system is communicated, and facilitates remote monitoring personnel's centralized management.
Brief description of the drawings
Fig. 1 is the block diagram of system of the middle controller main board of the utility model embodiment.
Fig. 2 is the block diagram of system of manual operator part in the utility model embodiment.
Embodiment
Below in conjunction with brief description of the drawings embodiment of the present utility model.As shown in Figure 1 and Figure 2：A kind of low pressure recycle
Barrel pump controller, including controller mainboard and manual operator two parts, controller mainboard include substrate, described controller mainboard bag
Substrate is included, MCU is provided with substrate, the Analog input mModule being connected with MCU, analog output are additionally provided with substrate
Module, switching input module, switching value output module, transistor output module, real time clock circuit, RS485 communication modules,
Be additionally provided with the power-switching circuit being connected with external power source on substrate, and described power-switching circuit be above-mentioned MCU,
Analog input mModule, analog output module, switching input module, switching value output module, transistor output module, reality
When clock circuit and RS485 communication modules provide electric power.
Described manual operator equally includes the substrate based on one, and MCU is provided with substrate, is also set on substrate
RS485 communication modules, the key press detecting circuit being connected with MCU are equipped with, while MCU is also connected with LCD LCD backlight modules,
Power supply processing circuit is additionally provided with substrate, described power supply processing circuit is above-mentioned MCU, RS485 communication module, button
Detect that circuit and LCD LCD backlight modules provide electric power.
RS485 communication modules in described controller mainboard communicate mould by the RS485 in RS485 buses and manual operator
Block is connected, and carries out data exchange.
Controller in this, can automatically control ammonia pump start-stop according to storehouse feed flow signal and ammonia pump associated control parameters；
The design controlled according to actual liquid level, selects corresponding Liquid level mode in parameter, there is following several：
1. according to parameter " level set value " and " Liquid level deviation ", automatically control supplying valve output.
2. being automatically adjusted according to current level and setting value and pid parameter, the output of liquid level electric control valve is given.
3. according to the closure of On-off signal with disconnecting control supplying valve output.
4. when detecting On-off signal " liquid level superelevation failure " or " level sensor fault ", close supplying valve defeated
Go out, other situations open supplying valve output.
Claims (1)
1. a kind of low pressure recycle barrel pump controller, including controller mainboard and manual operator two parts, it is characterised in that：Described control
Device mainboard processed include substrate, MCU is provided with substrate, be additionally provided with substrate be connected with MCU Analog input mModule,
Analog output module, switching input module, switching value output module, transistor output module, real time clock circuit and
RS485 communication modules, are additionally provided with the power-switching circuit being connected with external power source, and described Power convert electricity on substrate
Road is above-mentioned MCU, Analog input mModule, analog output module, switching input module, switching value output module, crystalline substance
Body pipe output module, real time clock circuit and RS485 communication modules provide electric power；
Described manual operator includes substrate, and MCU is provided with substrate, and the RS485 being connected with MCU is additionally provided with substrate and is led to
Module, key press detecting circuit are interrogated, while MCU is also connected with LCD LCD backlight modules, is additionally provided with substrate at power supply
Circuit is managed, described power supply processing circuit is above-mentioned MCU, RS485 communication module, key press detecting circuit and LCD liquid crystal displays
Backlight module provides electric power；
RS485 communication modules in described controller mainboard pass through RS485 buses and the RS485 communication module phases in manual operator
Connect, and carry out data exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023770.7U CN206397713U (en) | 2017-01-10 | 2017-01-10 | Low pressure recycle barrel pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023770.7U CN206397713U (en) | 2017-01-10 | 2017-01-10 | Low pressure recycle barrel pump controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206397713U true CN206397713U (en) | 2017-08-11 |
Family
ID=59514153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720023770.7U Active CN206397713U (en) | 2017-01-10 | 2017-01-10 | Low pressure recycle barrel pump controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206397713U (en) |
-
2017
- 2017-01-10 CN CN201720023770.7U patent/CN206397713U/en active Active
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