CN203704137U - Temperature controller for bath heater - Google Patents
Temperature controller for bath heater Download PDFInfo
- Publication number
- CN203704137U CN203704137U CN201320794363.8U CN201320794363U CN203704137U CN 203704137 U CN203704137 U CN 203704137U CN 201320794363 U CN201320794363 U CN 201320794363U CN 203704137 U CN203704137 U CN 203704137U
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- CN
- China
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- type
- temperature sensor
- sh79f166
- temperature
- power supply
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- Expired - Fee Related
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- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses a temperature controller for a bath heater, which mainly comprises a display, a switching power supply, an SH79F166 type singlechip, a PT100 type temperature sensor amplifying circuit, PT100 type temperature sensors, a relay control circuit and a heating body, wherein the SH79F166 type singlechip receives the temperature information of the heating body measured by the PT100 type temperature sensors through the PT100 type temperature sensor amplifying circuit; the SH79F166 type singlechip carries out on-off control on the heating body through the relay control circuit and transmits the temperature information to the display; and the switching power supply provides a power supply for the SH79F166 type singlechip, the relay control circuit and the PT100 type temperature sensors. The temperature controller has the advantages that as the control circuit capable of detecting the heating body is additionally arranged in the bath heater, the temperature of the heating body is measured by the PT100 type temperature sensors; and the heating of the heating body is controlled according to the temperature to realize the protection of the heating body.
Description
Technical field
The utility model relates to a kind of temperature controller, is specifically related to a kind of application and bathes precious temperature controller.
Background technology
Bath treasured in the market, a part does not have temperature detection, therefore can not effectively control water temperature.Even if some bathes the precious controller that has temperature detection, is also the environment temperature (this temperature is generally very low) detecting, never go to detect the temperature of heater, so can not effectively protect heater.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and providing a kind of can detect the temperature of heater, and controls heater heating according to the height of temperature, thereby realizes the temperature controller of the precious use of bath of the protection to heater.
The utility model is achieved through the following technical solutions:
Bathe the temperature controller of precious use, it is mainly by display, Switching Power Supply, SH79F166 type single-chip microcomputer, PT100 type temperature sensor amplifying circuit, PT100 type temperature sensor, control relay circuit, heater forms, SH79F166 type single-chip microcomputer records the temperature information of heater by PT100 type temperature sensor amplifying circuit reception PT100 type temperature sensor, SH79F166 type single-chip microcomputer carries out switch control by control relay circuit to heater, and send temperature information to display, described Switching Power Supply is to SH79F166 type single-chip microcomputer, control relay circuit and PT100 type temperature sensor amplifying circuit provide power supply.
Described PT100 type temperature sensor is provided with three, and three PT100 type temperature sensors are electrically connected with PT100 type temperature sensor amplifying circuit respectively.
Control chip IC4 in described PT100 type temperature sensor amplifying circuit adopts the LM324 cake core with the four-operational amplifier of differential input.
Control module IC3 in described control relay circuit adopts ULN2003 type Darlington array.
Control chip IC1 in described Switching Power Supply adopts GP0510 cake core.
The utility model is with respect to prior art; there is following advantageous effect: owing to having set up the control circuit that can detect heater in bath treasured; record the temperature of heater by PT100; then control heater heating according to the height of temperature, thereby realize the protection (500 degrees Celsius of left and right of operating temperature) to heater.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of electric principle of the present utility model;
Fig. 2 is the electrical schematic diagram of the type single-chip microcomputer of SH79F166 shown in Fig. 1 and PT100 type temperature sensor amplifying circuit;
Fig. 3 is the electrical schematic diagram of control relay circuit shown in Fig. 1;
Fig. 4 is the electrical schematic diagram of Switching Power Supply shown in Fig. 1.
In figure: 1, SH79F166 type single-chip microcomputer; 2, PT100 type temperature sensor amplifying circuit; 3, display; 4, Switching Power Supply; 5, control relay circuit; 6, heater; 7, PT100 type temperature sensor.
The specific embodiment
below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1, bathe the temperature controller of precious use, it is mainly by display 3, Switching Power Supply 4, SH79F166 type single-chip microcomputer 1, PT100 type temperature sensor amplifying circuit 2, PT100 type temperature sensor 7, control relay circuit 5, heater 6 forms, SH79F166 type single-chip microcomputer 1 is received PT100 type temperature sensor 7 and is recorded the temperature information of heater 6 by PT100 type temperature sensor amplifying circuit 2, SH79F166 type single-chip microcomputer 1 carries out switch control by control relay circuit 5 to heater 6, and send temperature information to display 3, described Switching Power Supply 4 is given SH79F166 type single-chip microcomputer 1, control relay circuit 5 and PT100 type temperature sensor amplifying circuit 2 provide power supply.
As shown in Figure 2, described PT100 type temperature sensor 7 is provided with three, and three PT100 type temperature sensors 7 are electrically connected with PT100 type temperature sensor amplifying circuit 2 respectively.Control chip IC4 in described PT100 type temperature sensor amplifying circuit 2 adopts the LM324 cake core with the four-operational amplifier of differential input.
As shown in Figure 3, the control module IC3 in described control relay circuit 5 adopts ULN2003 type Darlington array.
As shown in Figure 4, the control chip IC1 in described Switching Power Supply 4 adopts GP0510 cake core.
In said elements, capacitor C 2 and filter capacitor C1 adopt the electric capacity of 0.1uF, and resistance R 2 and calibrating resistance R1 adopt the resistance of 10K Ω.
As mentioned above, just can realize preferably the utility model, above-described embodiment is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modify, all by the utility model claim scope required for protection is contained.
Claims (5)
1. bathe the temperature controller of precious use for one kind, it is characterized in that: it is mainly by display, Switching Power Supply, SH79F166 type single-chip microcomputer, PT100 type temperature sensor amplifying circuit, PT100 type temperature sensor, control relay circuit, heater forms, SH79F166 type single-chip microcomputer records the temperature information of heater by PT100 type temperature sensor amplifying circuit reception PT100 type temperature sensor, SH79F166 type single-chip microcomputer carries out switch control by control relay circuit to heater, and send temperature information to display, described Switching Power Supply is to SH79F166 type single-chip microcomputer, control relay circuit and PT100 type temperature sensor amplifying circuit provide power supply.
2. the temperature controller of the precious use of bath according to claim 1, is characterized in that: described PT100 type temperature sensor is provided with three, and three PT100 type temperature sensors are electrically connected with PT100 type temperature sensor amplifying circuit respectively.
3. the temperature controller of the precious use of bath according to claim 1, is characterized in that: the control chip IC4 in described PT100 type temperature sensor amplifying circuit adopts the LM324 cake core with the four-operational amplifier of differential input.
4. the temperature controller of the precious use of bath according to claim 1, is characterized in that: the control module IC3 in described control relay circuit adopts ULN2003 type Darlington array.
5. the temperature controller of the precious use of bath according to claim 1, is characterized in that: the control chip IC1 in described Switching Power Supply adopts GP0510 cake core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794363.8U CN203704137U (en) | 2013-12-04 | 2013-12-04 | Temperature controller for bath heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794363.8U CN203704137U (en) | 2013-12-04 | 2013-12-04 | Temperature controller for bath heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704137U true CN203704137U (en) | 2014-07-09 |
Family
ID=51054569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794363.8U Expired - Fee Related CN203704137U (en) | 2013-12-04 | 2013-12-04 | Temperature controller for bath heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823155A (en) * | 2017-03-27 | 2017-06-13 | 上海交通大学医学院附属第九人民医院 | A kind of far infrared radiation therapeutic equipment for treating extremity lymphedema |
-
2013
- 2013-12-04 CN CN201320794363.8U patent/CN203704137U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823155A (en) * | 2017-03-27 | 2017-06-13 | 上海交通大学医学院附属第九人民医院 | A kind of far infrared radiation therapeutic equipment for treating extremity lymphedema |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141204 |
|
| EXPY | Termination of patent right or utility model |