CN203535516U - Temperature controller for biology laboratory - Google Patents
Temperature controller for biology laboratory Download PDFInfo
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- CN203535516U CN203535516U CN201320732482.0U CN201320732482U CN203535516U CN 203535516 U CN203535516 U CN 203535516U CN 201320732482 U CN201320732482 U CN 201320732482U CN 203535516 U CN203535516 U CN 203535516U
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- 238000004804 winding Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The utility model discloses a temperature controller for a biology laboratory. The temperature controller comprises a switch, a transformer, a rectifier, a first capacitor, a second capacitor, a diode, a first light emitting diode, a second light emitting diode, a first resistor, a second resistor, a relay, an integrated chip, a first potentiometer, a second potentiometer, a thermistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, and a heater. The temperature controller is advantageous in that, the structure circuit is simple, and installation and use are convenient, temperature can be accurately controlled in a needed range, and a traditional temperature controller is integrated and concluded. The temperature controller is practical and reliable, and is a product worthy of popularization.
Description
Technical field
The utility model relates to a kind of temperature controller, relates in particular to a kind of temperature controller for biology laboratory.
Background technology
Temperature controller, according to the temperature variation of working environment, in the inner physical deformation that occurs of switch, thereby produce some special effects, produce conducting or disconnect a series of Automatic Control Components that move, or electronic original part is under different temperatures, the different principle of duty provides temperature data to circuit, for circuit collecting temperature data, temperature control system in biology laboratory is not perfect, on temperature regulates, traditional temperature controller is much not accurate enough, even much to control room temperature with air-conditioning, this mode can not be controlled temperature well, reach experiment effect.
Utility model content
The purpose of this utility model provides a kind of temperature controller for biology laboratory with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises switch, transformer, rectifier, the first electric capacity, the second electric capacity, diode, the first light emitting diode, the second light emitting diode, the first resistance, the second resistance, relay, integrated chip, the first potentiometer, the second potentiometer, thermistor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and well heater, the live wire end of power supply is connected with the first end of described switch, the second end of described switch is connected with the first end of the first end of described well heater and the first winding of described transformer simultaneously, the second end of described well heater is connected with the first end of the relay switch of described relay, the second end of the relay switch of described relay is connected with the second end of the zero line side of described power supply and the first winding of described transformer simultaneously, the first end of the second winding and the first end of described rectifier of described transformer are connected, the second end of the second winding of described transformer is connected with the 3rd end of described rectifier, the second end while of described rectifier and the second end of described the first electric capacity, the negative pole of described the second light emitting diode, the positive pole of described diode, the second end of described relay, the second end of described the second electric capacity, the earth terminal of described integrated chip, the second end of described the 3rd resistance is connected with the second end of described the 4th resistance, the first end while of described the first electric capacity and the 4th end of described rectifier, the first end of described the first resistance, the voltage input end of described integrated chip, the high level end of described integrated chip and the first end of described thermistor are connected, and the second end of described the first resistance is connected with the positive pole of described the first light emitting diode, the negative pole while of described the first light emitting diode and the first end of described the second resistance, the negative pole of described diode, output is connected the first end of described relay with the signal of described integrated chip, the second end of described the second resistance is connected with the positive pole of described the second light emitting diode, the voltage output end of described integrated chip is connected with the first end of described the second electric capacity, the voltage controling end of described integrated chip is connected with the sliding end of described the first potentiometer, the second end of described the first potentiometer is connected with the first end of described the 3rd resistance, the first end of described the first potentiometer is connected with the second end of described the 5th resistance, the first end of described the 5th resistance is connected with the first end of described the second potentiometer with the second end of described thermistor simultaneously, the second end of described the second potentiometer is connected with the first end of described the 4th resistance, the signal input part of described integrated chip is connected with the sliding end of described the second potentiometer.
The beneficial effects of the utility model are:
The utility model structure circuit is simple, easy to install, can exactly temperature be controlled in the scope needing, and integrates and has concluded traditional temperature controller, practical reliable, is a kind of product being worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises switch S, transformer T, rectifier DB, the first capacitor C 1, the second capacitor C 2, diode D, the first LED 1, the second LED 2, the first resistance R 1, the second resistance R 2, relay K, integrated chip IC, the first potentiometer RP1, the second potentiometer RP2, thermistor RT1, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5 and well heater W, the live wire end of power supply is connected with the first end of described switch S, the second end of described switch S is connected with the first end of the first end of described well heater W and the first winding of described transformer T simultaneously, the second end of described well heater W is connected with the first end of the relay switch K1-1 of described relay K, the second end of the relay switch K1-1 of described relay K is connected with the second end of the zero line side of described power supply and the first winding of described transformer T simultaneously, the first end of the second winding of described transformer T is connected with the first end of described rectifier DB, the second end of the second winding of described transformer T is connected with the 3rd end of described rectifier DB, the second end while of described rectifier DB and the second end of described the first capacitor C 1, the negative pole of described the second LED 2, the positive pole of described diode D, the second end of described relay K, the second end of described the second capacitor C 2, the earth terminal of described integrated chip IC, the second end of described the 3rd resistance R 3 is connected with the second end of described the 4th resistance R 4, the first end while of described the first capacitor C 1 and the 4th end of described rectifier DB, the first end of described the first resistance R 1, the voltage input end of described integrated chip IC, the high level end of described integrated chip IC is connected with the first end of described thermistor RT1, the second end of described the first resistance R 1 is connected with the positive pole of described the first LED 1, the negative pole while of described the first light emitting diode and the first end of described the second resistance, the negative pole of described diode D, the signal output of the first end of described relay K and described integrated chip IC is connected, the second end of described the second resistance R 2 is connected with the positive pole of described the second LED 2, the voltage output end of described integrated chip IC is connected with the first end of described the second capacitor C 2, the voltage controling end of described integrated chip IC is connected with the sliding end of described the first potentiometer RP1, the second end of described the first potentiometer RP1 is connected with the first end of described the 3rd resistance R 3, the first end of described the first potentiometer RP1 is connected with the second end of described the 5th resistance R 5, the first end of described the 5th resistance R 5 is connected with the first end of described the second potentiometer RP2 with the second end of described thermistor RT1 simultaneously, the second end of described the second potentiometer RP2 is connected with the first end of described the 4th resistance R 4, the signal input part of described integrated chip IC is connected with the sliding end of described the second potentiometer IC.
The utility model is comprised of step-down rectifier filter power supply circuit and temperature-control circuit two parts, wherein temperature-control circuit is by integrated chip IC and the first resistance to the four resistance, the first potentiometer, the compositions such as the second potentiometer, and RT1 is the thermistor (3k Ω) of a negative temperature coefficient, the first potentiometer RP1 is the preset adjusting of lowest temperature, the second potentiometer RP2 is the preset adjusting of upper temperature limit, and by regulating the first potentiometer RP1, the second potentiometer RP2 makes the signal output part of integrated chip IC and voltage controling end be placed in respectively 1/3Vcc, near 2/3Vcc, when temperature is during lower than lower limit temperature, it is large that the resistance of thermistor RT1 becomes, thereby make the current potential of voltage controling end of integrated chip IC lower than 1/3Vcc, corresponding integrated chip IC set, signal output part output high level, the second LED 2 is lighted, relay K adhesive, relay switch K1-1 connects heater power source it is heated, when temperature is raised to ceiling temperature, the resistance of thermistor RT1 diminishes, make the signal controlling terminal potential of integrated chip be greater than 2/3Vcc, and the Control of Voltage terminal potential of integrated chip IC must be greater than 1/3Vcc, corresponding integrated chip IC resets, signal output part output low level, LED 1 is lighted, relay K discharges, relay switch K1-1 disconnects, heater power source, stop heating.Regulate like this after the first potentiometer RP1, the second potentiometer RP2, can the set with the variation of design temperature (20～100 ℃), in time by relay K adhesive or disconnection, the switching of control heater, regulates thereby realize temperature.
Claims (1)
1. for a temperature controller for biology laboratory, it is characterized in that: comprise switch, transformer, rectifier, the first electric capacity, the second electric capacity, diode, the first light emitting diode, the second light emitting diode, the first resistance, the second resistance, relay, integrated chip, the first potentiometer, the second potentiometer, thermistor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and well heater, the live wire end of power supply is connected with the first end of described switch, the second end of described switch is connected with the first end of the first end of described well heater and the first winding of described transformer simultaneously, the second end of described well heater is connected with the first end of the relay switch of described relay, the second end of the relay switch of described relay is connected with the second end of the zero line side of described power supply and the first winding of described transformer simultaneously, the first end of the second winding and the first end of described rectifier of described transformer are connected, the second end of the second winding of described transformer is connected with the 3rd end of described rectifier, the second end while of described rectifier and the second end of described the first electric capacity, the negative pole of described the second light emitting diode, the positive pole of described diode, the second end of described relay, the second end of described the second electric capacity, the earth terminal of described integrated chip, the second end of described the 3rd resistance is connected with the second end of described the 4th resistance, the first end while of described the first electric capacity and the 4th end of described rectifier, the first end of described the first resistance, the voltage input end of described integrated chip, the high level end of described integrated chip and the first end of described thermistor are connected, and the second end of described the first resistance is connected with the positive pole of described the first light emitting diode, the negative pole while of described light emitting diode and the first end of described the second resistance, the negative pole of described diode, output is connected the first end of described relay with the signal of described integrated chip, the second end of described the second resistance is connected with the positive pole of described the second light emitting diode, the voltage output end of described integrated chip is connected with the first end of described the second electric capacity, the voltage controling end of described integrated chip is connected with the sliding end of described the first potentiometer, the second end of described the first potentiometer is connected with the first end of described the 3rd resistance, the first end of described the first potentiometer is connected with the second end of described the 5th resistance, the first end of described the 5th resistance is connected with the first end of described the second potentiometer with the second end of described thermistor simultaneously, the second end of described the second potentiometer is connected with the first end of described the 4th resistance, the signal input part of described integrated chip is connected with the sliding end of described the second potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732482.0U CN203535516U (en) | 2013-11-18 | 2013-11-18 | Temperature controller for biology laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732482.0U CN203535516U (en) | 2013-11-18 | 2013-11-18 | Temperature controller for biology laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535516U true CN203535516U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320732482.0U Expired - Lifetime CN203535516U (en) | 2013-11-18 | 2013-11-18 | Temperature controller for biology laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068579A (en) * | 2015-07-31 | 2015-11-18 | 重庆市志益鑫电子科技有限公司 | Constant-temperature control circuit for plant culture |
-
2013
- 2013-11-18 CN CN201320732482.0U patent/CN203535516U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068579A (en) * | 2015-07-31 | 2015-11-18 | 重庆市志益鑫电子科技有限公司 | Constant-temperature control circuit for plant culture |
| CN105068579B (en) * | 2015-07-31 | 2017-06-13 | 重庆市志益鑫电子科技有限公司 | A kind of constant temperature control circuit for plant culture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN GUANXIANG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SICHUAN DISCOVERY DREAM ELECTRONICS SCIENCE + TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, No. 399, west section of Chang Xiong Road, Chengdu hi tech Zone, Sichuan Patentee after: Sichuan Guanxiang Science and Technology Co.,Ltd. Address before: 610000, No. 399, west section of Chang Xiong Road, Chengdu hi tech Zone, Sichuan Patentee before: SICHUAN DISCOVERY DREAM ELECTRONICS SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |