CN201522657U - Pipeline low-temperature antifreeze controller - Google Patents
Pipeline low-temperature antifreeze controller Download PDFInfo
- Publication number
- CN201522657U CN201522657U CN2009202629224U CN200920262922U CN201522657U CN 201522657 U CN201522657 U CN 201522657U CN 2009202629224 U CN2009202629224 U CN 2009202629224U CN 200920262922 U CN200920262922 U CN 200920262922U CN 201522657 U CN201522657 U CN 201522657U
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Abstract
The utility model discloses a pipeline low-temperature antifreeze controller, which comprises a main control unit, a rectifying filter unit and a control unit. The main control unit is used for receiving data, processing the received data and transmitting control information, the rectifying filter unit rectifies and filters input power and provides stable power for other circuits, the control unit is used for receiving control signals sent by the main control unit and controlling a heating element or water return pump in a pipeline to operate, and the main control unit is electrically connected with the rectifying filter circuit unit and the control unit. The pipeline low-temperature antifreeze controller can utilize limited electricity energy to achieve high-efficient and safe heat insulation effect.
Description
Technical field
The utility model relates to a kind of pipeline low temperature deicing controllor.
Background technology
In the winter time or utmost point low temp area, for the water heater or the air-conditioning system that guarantee all kinds of forms are normally used, people have found out such as electrical heating wire, heating tape or increase are installed on system pipeline and have looped back the mode of water pump.By taking this type of way, under the extreme low temperature weather conditions, system pipeline obtains suitable insulation, has avoided pipeline to freeze bursting by freezing, has guaranteed the normal use of water heater under the extreme low temperature weather conditions.But existing such antifreezing measures are taked the simplest timing, time-delay or manual control mode basically, and control mode is optimized inadequately, and winterized equipment power consumption is big, and user's water comfortableness is poor.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, a kind of pipeline low temperature deicing controllor is provided, the utility model is optimized control to the insulation of pipeline, utilizes limited electric energy to obtain efficient, safe heat insulation effect and higher user's water comfortableness.
Its technical scheme is as follows:
A kind of pipeline low temperature deicing controllor, this controller comprises: main control unit is used to receive data, handles the data that received, sends control information; Rectification filtering unit carries out rectification and filtering to the power supply of input, and provides stable power for other circuit; Control module is used to receive the control signal that main control unit sends, and heating element in the pilot piping or back water pump work; Wherein, main control unit and current rectifying and wave filtering circuit unit and control module are electrically connected.
In the course of the work, rectification filtering unit provides stable electric current to total system, and main control unit is exported control signal to control module, by control module control electrical heating elements (as electric heating tube or heating tape) or back water pump work, the temperature in the pipeline is raise.The utility model is optimized control to the insulation of pipeline, utilizes limited electric energy to obtain efficient, safe heat insulation effect and higher user's water comfortableness.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
This controller also includes temperature detecting unit, and described main control unit and this temperature detecting unit are electrically connected, and this temperature detecting unit is used for the pipe temperature of signal piping and sends data to main control unit.Temperature in the temperature detecting unit signal piping also exports signal to main control unit, and the temperature of main control unit pipeline and system are provided with situation and export control signal to control module.
Described main control unit comprises main control chip, ceramic oscillation circuit and reset circuit, and ceramic oscillation circuit and reset circuit and main control chip are electrically connected.
Described temperature detecting unit comprises first temperature-sensitive circuit and second temperature-sensitive circuit at least, have temperature-sensing element, temperature-sensitive filtering circuit and temperature-sensitive signal output part on first temperature-sensitive circuit and second temperature-sensitive circuit respectively, temperature-sensitive signal output part and described main control unit are electrically connected.Two temperature-sensing elements are installed in the diverse location in the pipeline respectively, respectively the different parts in the pipeline are carried out sensing, have improved the precision of sensing, make the control of system more accurate, reliable.
This controller includes also that dial-up detects and the button detecting unit, and described main control unit detects with this dial-up and the button detecting unit is electrically connected, and this dial-up detection and button detecting unit are used to detect dial-up and key-press status and send signal to main control unit.
Described dial-up detects and the button detecting unit comprises dial-up testing circuit and key press detecting circuit.
Described rectification filtering unit comprises forceful electric power filtering circuit, transformer, light current current rectifying and wave filtering circuit, forceful electric power filtering circuit, transformer and light current current rectifying and wave filtering circuit are electrically connected successively, the front end of forceful electric power filtering circuit is a power input, and the end of light current current rectifying and wave filtering circuit has two light current output terminals.
Described control module comprises signal input end, control pio chip and by control elements, and described main control unit is by signal input end, control pio chip and be electrically connected by control elements, is electrically connected with described rectification filtering unit simultaneously by control elements.The final input of the control signal that main control unit is exported is also controlled by the duty of control elements by control elements (as electric heating tube, heating tape or back water pump).
This controller also includes the running status output unit, and described main control unit and this running status output unit are electrically connected, and this running status output unit is used for the running status of controller is outwards exported.
Described running status output unit comprises status signal input end, power input and state display lamp, status signal input end, state display lamp and power input are electrically connected successively, status signal input end and described main control unit are electrically connected, and power input and described rectification filtering unit are electrically connected.
In sum, the utility model has the advantages that: the utility model is optimized control to the insulation of pipeline, utilizes limited electric energy to obtain efficient, safe heat insulation effect and higher user's water comfortableness.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the physical circuit figure of main control unit;
Fig. 3 is in the temperature detecting unit, the circuit diagram of first temperature-sensitive circuit;
Fig. 4 is in the temperature detecting unit, the circuit diagram of second temperature-sensitive circuit;
Fig. 5 is the physical circuit figure of dial-up detecting unit;
Fig. 6 is the physical circuit figure of button detecting unit;
Fig. 7 is the physical circuit figure of control module;
Fig. 8 is the physical circuit figure of running status output unit;
Fig. 9 is the physical circuit figure of rectification filtering unit;
Description of reference numerals:
1, main control unit, 2, dial-up detects and the button detecting unit, 3, temperature detecting unit, 4, rectification filtering unit, 5, control module, 6, the running status output unit.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
As shown in Figure 1, a kind of pipeline low temperature deicing controllor, this controller comprises: main control unit 1 is used to receive data, handles the data that received, sends control information; Temperature detecting unit 3 is used for the pipe temperature of signal piping and sends data to main control unit 1; Dial-up detects and button detecting unit 2, is used to detect dial-up and key-press status and sends signal to main control unit 1; Rectification filtering unit 4 carries out rectification and filtering to the power supply of input, and provides stable power for other circuit; Control module 5 is used to receive the control signal that main control unit 1 is sent, and heating element in the pilot piping or back water pump work; Running status output unit 6 is used for the running status of controller is outwards exported; Wherein, main control unit 1 is electrically connected with temperature detecting unit 3, dial-up detection and button detecting unit 2, current rectifying and wave filtering circuit unit, control module 5 and running status output unit 6.
Figure 2 shows that the circuit diagram of described main control unit 1, described main control unit 1 comprises main control chip (in the present embodiment, main control chip is UPD78F0511), ceramic oscillation circuit and reset circuit, and ceramic oscillation circuit and reset circuit and main control chip are electrically connected.
Described temperature detecting unit 3 comprises first temperature-sensitive circuit and second temperature-sensitive circuit at least, as shown in Figure 3, Figure 4, have temperature-sensing element (i.e. CN1 and CN2 among the figure on first temperature-sensitive circuit and second temperature-sensitive circuit respectively, be respectively applied for water pipe pipe temperature and return pipe Guan Wen carried out sensing), temperature-sensitive filtering circuit and temperature-sensitive signal output part (i.e. TEMP-WATERPIPE and TEMP-BACKWATER among the figure), wherein, two corresponding with described main control chip respectively i.e. 34 pins, connections of 35 pins of pin of temperature-sensitive signal output part are electrically connected.
Described dial-up detects and button detecting unit 2 comprises dial-up testing circuit and key press detecting circuit; The dial-up testing circuit as shown in Figure 5, key press detecting circuit as shown in Figure 6, wherein the dial-up testing circuit only detects effectively at powered on moment, thus the state of dial-up judged whether back water pump effective before this circuit powered on by detection.Key press detecting circuit is made up of KEY1, C7, R1, R4, KEY1 short circuit when button is pressed, and then the detected voltage of master chip is the dividing potential drop of R1, is about 0V; KEY1 does not disconnect when having button to press, then the detected voltage of master chip is used for enforced opening back water pump function for the ground connection dividing potential drop is the 5V. key press detecting circuit, when dial-up is allocated to the back water pump function when effective, thereby whether main control unit 1 can be pressed or whether want enforced opening according to the temperature control back water pump that second temperature-sensitive circuit detects according to detected button.
The physical circuit of described control module 5 as shown in Figure 7, it comprises that signal input end, control pio chip are (in this implementation column, the control pio chip is the IC-2003 chip) and by control elements (as electric heating tube, heating tape or back water pump), described main control unit 1 is by signal input end, control pio chip and be electrically connected by control elements, is electrically connected with described rectification filtering unit 4 simultaneously by control elements.The final input of the control signal that main control unit 1 is exported is also controlled by the duty of control elements by control elements.
The physical circuit of described running status output unit 6 as shown in Figure 8, it comprises status signal input end, power input and state display lamp, status signal input end, state display lamp and power input are electrically connected successively, status signal input end and described main control unit 1 are electrically connected, and power input and described rectification filtering unit 4 are electrically connected.Wherein LED1 is a power light, and is bright when powering on, and goes out during outage.LED2 is a malfunction indicator lamp, and concrete display mode is as follows: 1. during water pipe pipe temperature Tp bulb fault, and malfunction indicator lamp LED2 fast blink (glimmering once) every 100ms; 2. during return pipe temperature Th bulb fault, malfunction indicator lamp LED2 every the 1s flicker once; When 3. all breaking down as if two bulb, then water pipe pipe temperature Tp bulb fault preferentially shows.When 4. all not breaking down as if two bulb, malfunction indicator lamp is closed.
The physical circuit of described rectification filtering unit 4 as shown in Figure 9, it comprises forceful electric power filtering circuit, transformer S, light current current rectifying and wave filtering circuit, forceful electric power filtering circuit, transformer S and light current current rectifying and wave filtering circuit are electrically connected successively, the front end of forceful electric power filtering circuit is a power input, and the end of light current current rectifying and wave filtering circuit has two light current output terminals.In use, power input and civil power are connected, by the forceful electric power filtering circuit undesired signal in the civil power is removed earlier, carrying out transformation by transformer S again reduces voltage and the output two-way, and after overcommutation, filtering, export respectively, two voltage differences that the light current output terminal is exported, one the tunnel is 5V, main used for main control chip and control pio chip, another road is 12V, and is mainly used for temperature detecting unit 3, dial-up detection and button detecting unit 2, control module 5 and running status output unit 6 etc.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (10)
1. pipeline low temperature deicing controllor is characterized in that this controller comprises:
Main control unit is used to receive data, handles the data that received, sends control information;
Rectification filtering unit carries out rectification and filtering to the power supply of input, and provides stable power for other circuit;
Control module is used to receive the control signal that main control unit sends, and heating element in the pilot piping or back water pump work;
Wherein, main control unit and current rectifying and wave filtering circuit unit and control module are electrically connected.
2. pipeline low temperature deicing controllor according to claim 1 is characterized in that described main control unit comprises main control chip, ceramic oscillation circuit and reset circuit, and ceramic oscillation circuit and reset circuit and main control chip are electrically connected.
3. pipeline low temperature deicing controllor according to claim 1, it is characterized in that, this controller also includes temperature detecting unit, and described main control unit and this temperature detecting unit are electrically connected, and this temperature detecting unit is used for the pipe temperature of signal piping and sends data to main control unit.
4. as pipeline low temperature deicing controllor as described in the claim 3, it is characterized in that, described temperature detecting unit comprises first temperature-sensitive circuit and second temperature-sensitive circuit at least, have temperature-sensing element, temperature-sensitive filtering circuit and temperature-sensitive signal output part on first temperature-sensitive circuit and second temperature-sensitive circuit respectively, temperature-sensitive signal output part and described main control unit are electrically connected.
5. as pipeline low temperature deicing controllor as described in each in the claim 1 to 4, it is characterized in that, this controller also includes dial-up and detects and the button detecting unit, described main control unit and this dial-up detect and the button detecting unit is electrically connected, and this dial-up detects and the button detecting unit is used to detect dial-up and key-press status and send signal to main control unit.
6. as pipeline low temperature deicing controllor as described in the claim 5, it is characterized in that described dial-up detects and the button detecting unit comprises dial-up testing circuit and key press detecting circuit.
7. as pipeline low temperature deicing controllor as described in each in the claim 1 to 4, it is characterized in that, described rectification filtering unit comprises forceful electric power filtering circuit, transformer, light current current rectifying and wave filtering circuit, forceful electric power filtering circuit, transformer and light current current rectifying and wave filtering circuit are electrically connected successively, the front end of forceful electric power filtering circuit is a power input, and the end of light current current rectifying and wave filtering circuit has two light current output terminals.
8. as pipeline low temperature deicing controllor as described in each in the claim 1 to 4, it is characterized in that, described control module comprises signal input end, control pio chip and by control elements, described main control unit is by signal input end, control pio chip and be electrically connected by control elements, is electrically connected with described rectification filtering unit simultaneously by control elements.
9. as pipeline low temperature deicing controllor as described in each in the claim 1 to 3, it is characterized in that, this controller also includes the running status output unit, described main control unit and this running status output unit are electrically connected, and this running status output unit is used for the running status of controller is outwards exported.
10. as pipeline low temperature deicing controllor as described in the claim 9, it is characterized in that, described running status output unit comprises status signal input end, power input and state display lamp, status signal input end, state display lamp and power input are electrically connected successively, status signal input end and described main control unit are electrically connected, and power input and described rectification filtering unit are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202629224U CN201522657U (en) | 2009-11-18 | 2009-11-18 | Pipeline low-temperature antifreeze controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202629224U CN201522657U (en) | 2009-11-18 | 2009-11-18 | Pipeline low-temperature antifreeze controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522657U true CN201522657U (en) | 2010-07-07 |
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ID=42508835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202629224U Expired - Lifetime CN201522657U (en) | 2009-11-18 | 2009-11-18 | Pipeline low-temperature antifreeze controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN201522657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765889A (en) * | 2016-11-29 | 2017-05-31 | 重庆美的通用制冷设备有限公司 | Air-conditioning and its pipeline antifreeze control method and device |
-
2009
- 2009-11-18 CN CN2009202629224U patent/CN201522657U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765889A (en) * | 2016-11-29 | 2017-05-31 | 重庆美的通用制冷设备有限公司 | Air-conditioning and its pipeline antifreeze control method and device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100707 |
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| CX01 | Expiry of patent term |