CN204347650U - A kind of digital temperature controller - Google Patents
A kind of digital temperature controller Download PDFInfo
- Publication number
- CN204347650U CN204347650U CN201520041621.4U CN201520041621U CN204347650U CN 204347650 U CN204347650 U CN 204347650U CN 201520041621 U CN201520041621 U CN 201520041621U CN 204347650 U CN204347650 U CN 204347650U
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- base
- temperature
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- keyboard
- mouth
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Abstract
The utility model discloses a kind of digital temperature controller, the base comprising shell and removably connect with shell, described base is provided with inner chamber, internal circuit is provided with in inner chamber, base back surface is provided with one and buckles and two supporting legs, described supporting leg is arranged on and buckles both sides and hinged with base, lanyard is provided with above base, base side is provided with light switch, below is provided with illuminating lamp, described shell is provided with LCD display, keyboard and speaker port is provided with below LCD display, this controller achieves the real-time Measurement & Control to temperature, also can displaying time and existing environment temperature, and arbitrarily can set bound temperature alarming numerical value, this temperature controller can be applicable to as family, cultivation factory, multiple occasion such as planting shed, easy to carry, also can be used as electric torch or alarm clock use if desired.
Description
Technical field
The utility model relates generally to temperature survey, control field, specifically a kind of digital temperature controller.
Background technology
The Measurement & Control of temperature is very extensive in the application of some fields, such as planting vegetable in greenhouse, cultivation industry etc., but traditional temperature-sensing element to be mostly analog device (thermopair) volume large, application is complicated, and not easily realize the shortcomings such as digitizing, hinder the expansion of its application, and existing digital temperature controller generally cannot set control temperature and warning etc., function singleness, use inconvenience, moreover traditional digital temperature controller use occasion is also single, carry with inconvenience, such as user is in green house of vegetables during operation, the Real Time Observation time may be needed, the parameters such as temperature, user may need observing time at any time in raising shed for another example, temperature, timing alarm is convenient raises, therefore designing one carries with conveniently, the temperature controller of diverse in function has larger practical significance.
Utility model content
The technical matters that the utility model solves is, for the deficiency of current technology, trigger from practical application, there is provided a kind of digital temperature controller, this controller achieves the real-time Measurement & Control to temperature, also can displaying time and existing environment temperature, and arbitrarily can set bound temperature alarming numerical value, this temperature controller can be applicable to as family, multiple occasion such as cultivation factory, planting shed etc., easy to carry, also can be used as electric torch or alarm clock use if desired.
For achieving the above object, technical solutions of the utility model are as follows:
A kind of digital temperature controller, the base comprising shell and be connected with shell, described base is provided with inner chamber, internal circuit is provided with in inner chamber, base back surface is provided with one and buckles and two supporting legs, described supporting leg is arranged on and buckles both sides and hinged with base, lanyard is provided with above base, base side is provided with below light switch and is provided with illuminating lamp, described shell is provided with LCD display, keyboard and speaker port is provided with below LCD display, internal circuit adopts AT89C52 single-chip microcomputer as main control chip, pass through P2.0, P2.1, P2.2, the mode of P2.3 mouth simulation SPI mouth and the main control chip of LCD module carry out serial communication, unibus communication is carried out by P0.0 and temperature-sensing element, single-chip microcomputer P1.5 mouth control LED light emitting diode realizes backlight function, P1.6 mouth controls piezoelectric ceramic piece and realizes temperature alarming function, P1.7 mouth pilot relay realizes the on-off function of load, described keyboard adopts independent keyboard circuit, the function key of keyboard comprises KEY1 for empty, KEY2 time set-up function, KEY3 temperature setting function, KEY4 backlight control and KEY5 quarter-bell control, the P1.0 of described keyboard and single-chip microcomputer, P1.1, P1.2, P1.3, the communication of P1.4 mouth.
Further, described LCD display is mobile phone display screen curtain, and affiliated mobile phone display screen curtain is integrated with display control module LPH7366.
Further, described temperature-sensing element is DS18B20 single slice integration temperature sensor.
The beneficial effects of the utility model:
1, the utility model achieves the real-time Measurement & Control to temperature, alarm clock is can be used as in family, thermometer uses, supported by the supporting leg at back and place, buckling to hang over and carry with it also by back, the utility model also can be used as electric torch and uses, this temperature controller is the real-time data such as displays temperature and time in LCD display, the real-time information such as environment temperature at that time and time can accurately be known by display user, can conveniently be controlled load by these information users, the utility model also can have timing controlled and temperature alarming function in addition, achieve the two ore control of temperature and time, general domain of control temperature can be applied to.
2, the utility model uses the mobile phone display screen of band integrative display control module as display screen, and low price is easily buied, and the display translation as general handheld device is well suited for.
3, the utility model uses DS18B20 as temperature-sensing element, has the advantages that volume is little, interface is simple and easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model circuit;
Accompanying drawing 2 is utility model works process flow diagram;
Accompanying drawing 3 is the utility model front view structural representation;
Accompanying drawing 4 is the utility model left view structural representation;
Accompanying drawing 5 is the utility model rear view structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of digital temperature controller, the base 8 comprising shell 2 and removably connect with shell 2, this connection can adopt click on fashion that screw also can be adopted to connect, described base 8 is provided with inner chamber, internal circuit is provided with in inner chamber, base 8 back side is provided with boss, be provided with one below boss and buckle 10 and two supporting legs 9, described supporting leg 9 is arranged on and buckles 10 both sides and hinged with base 8, supporting leg 9 draws in rear and becomes a plane with boss, be convenient for carrying, lanyard 1 is provided with above base 8, base 8 side is provided with light switch 3, below is provided with illuminating lamp 7, illuminating lamp 7 directly connects power supply and internal circuit is split up into independently circuit structure, described shell 2 is provided with LCD display 4, keyboard 5 and speaker port 6 is provided with below LCD display 4, described LCD display 4 adopts the mobile phone display screen of band LPH7366 control module, because this module integration has just been bundled in display screen when processing is dispatched from the factory by display screen, as long as so know that the control command of LPH7366 just can conveniently show by control LCD, internal circuit adopts AT89C52 single-chip microcomputer as main control chip, pass through P2.0, P2.1, P2.2, the mode of P2.3 mouth simulation SPI mouth and the main control chip LPH7366 of LCD module carry out serial communication, temperature-sensing element adopts DS18B20, this sensor adopts single bus interface, the temperature range measured is :-55 DEG C ~+125 DEG C, precision can reach 0.0675 DEG C, the maximum temperature transition time is 200ms, unibus communication is carried out by the P0.0 of single-chip microcomputer and temperature-sensing element DS18B20, the P1.5 of single-chip microcomputer, P1.6, P1.7 is output control terminal mouth, control LED light emitting diode respectively, piezoelectric ceramic piece and relay, piezoelectric ceramic piece comprises 9013 triode Q1 and hummer BEEP to realize warning function, described hummer correspondence is arranged on speaker port 6 place, facilitate passing of sound, LED light emitting diode comprises 9013 triode Q2 and LED to realize illumination functions, relay comprises 9013 triode Q3 and IN4007 diode D2 realizes load controlling functions, mu balanced circuit and current limit and thermal protection circuit is also comprised in internal circuit, mu balanced circuit adopts integrated regulator 7805, C5, C6 is respectively input end and output terminal filter capacitor, D1 is input end voltage stabilizing diode, current limit and thermal protection circuit comprise the low differential pressure voltage regulator of LM1117, its output terminal connects electric capacity C3, basic ideas of the present utility model are: using DS18B20 as temperature-sensing element, convert ambient temperature data to digital signal and send to AT89C52, the Temperature numerical changed sends to LCD to show by internal arithmetic by AT89C52.
Described keyboard 5 adopts independent keyboard circuit, it is sky, the control of KEY2 time set-up function, KEY3 temperature setting function, KEY4 backlight control and KEY5 quarter-bell that the function key of keyboard comprises KEY1, the P1.0 of described keyboard and single-chip microcomputer, P1.1, the communication of P1.2, P1.3, P1.4 mouth, first, after powering on, entry time function setting and temperature function setting can be distinguished by KEY2 and KEY3; Be time function: KEY1 by keypad function after KEY2: empty, KEY2: empty, KEY3: the switching of time function, KEY4: backlight control, KEY5: determine; Be temperature function: KEY1 by keypad function after KEY3: empty, KEY2: empty, KEY3: the switching of temperature function, KEY4: backlight control, KEY5: determine, if just can reset this function by OK button have selected the function needing to set when function switches after; Setting operation for time function or temperature function keyboard is all the same, time setting operation and temperature setting operation: KEY1: numerical value+, KEY2: numerical value-, KEY3: the switching of function digit, KEY4: backlight control, KEY5: determine and return master menu function, this digital temperature controller workflow is: beginning-initialization-collection current temperature value-with arrange warning numerical value compare-keyboard scan-display.
The design can on LCD the real-time data such as displays temperature and time, the real-time information such as environment temperature at that time and time can accurately be known by display user, temperature controller can add time timing function and can realize timing controlled load by timing controlled and work in certain temperature range, increase the function of temperature alarming in addition, first user is by the bound numerical value of keyboard interface set temperature, after setting, whether meeting real-time query environment temperature at that time exceeds the bound Temperature numerical of setting, achieve the two ore control of temperature and time like this, structurally, the utility model back is provided with supporting leg 9 and buckles 10, supporting leg 9 can be opened support when needs place it on desktop, facilitate the parameter such as observing time and temperature, relatively be applicable to family, when needs are carried with, supporting leg 9 is drawn in, hang on waistband by buckling 10, owing to being similar to the place of greenhouse gardening to some, user may be inconvenient to carry this temperature controller when operation, and in booth, be not applicable to the position of laying temperature controller, therefore lanyard 1 is provided with above it, conveniently hang on the hook in booth, illuminating lamp 7 is had below the utility model, side is provided with light switch 3, illuminating lamp 7 is directly connected on power supply, use as electric torch when needed.
Embodiment: a kind of digital temperature controller, the base 8 comprising shell 2 and removably connect with shell 2, described base 8 is provided with inner chamber, internal circuit is provided with in inner chamber, base 8 back side is provided with one and buckles 10 and two supporting legs 9, described supporting leg 9 is arranged on and buckles 10 both sides and hinged with base 8, lanyard 1 is provided with above base 8, base 8 side is provided with below light switch 3 and is provided with illuminating lamp 7, described shell 2 is provided with LCD display 4, keyboard 5 and speaker port 6 is provided with below LCD display 4, described LCD display 4, adopt the mobile phone display screen of band LPH7366 control module, internal circuit adopts AT89C52 single-chip microcomputer as main control chip, pass through P2.0, P2.1, P2.2, the mode of P2.3 mouth simulation SPI mouth and the main control chip LPH7366 of LCD module carry out serial communication, temperature-sensing element adopts DS18B20, unibus communication is carried out by the P0.0 of single-chip microcomputer and temperature-sensing element DS18B20, the P1.5 of single-chip microcomputer, P1.6, P1.7 is output control terminal mouth, control LED light emitting diode respectively, piezoelectric ceramic piece and relay, piezoelectric ceramic piece comprises 9013 triode Q1 and hummer BEEP to realize warning function, hummer described in LE is arranged on corresponding speaker port 6 position, D light emitting diode comprises 9013 triode Q2 and LED to realize illumination functions, relay comprises 9013 triode Q3 and IN4007 diode D2 realizes load controlling functions, mu balanced circuit and current limit and thermal protection circuit is also comprised in internal circuit, mu balanced circuit adopts integrated regulator 7805, integrated regulator input end and output terminal pass through C5, C6 capacitor filtering, input end is by the voltage stabilizing of D1 diode, current limit and thermal protection circuit comprise the low differential pressure voltage regulator of LM1117, its output terminal connects electric capacity C3, described keyboard adopts independent keyboard circuit, the function key of keyboard comprises KEY1 for empty, KEY2 time set-up function, KEY3 temperature setting function, KEY4 backlight control and KEY5 quarter-bell control, the P1.0 of described keyboard and single-chip microcomputer, P1.1, P1.2, P1.3, the communication of P1.4 mouth, each control circuit is parallel with 10K resistance respectively.The beneficial effect of the present embodiment is: this controller achieves the real-time Measurement & Control to temperature, also can displaying time and existing environment temperature, and arbitrarily can set bound temperature alarming numerical value, this temperature controller can be applicable to as family, occasion such as cultivation factory, planting shed etc., easy to carry, also can be used as electric torch or alarm clock use if desired.
Claims (3)
1. a digital temperature controller, it is characterized in that: the base (8) comprising shell (2) and be connected with shell (2), described base (8) is provided with inner chamber, internal circuit is provided with in inner chamber, base (8) back side is provided with one and buckles (10) and two supporting legs (9), described supporting leg (9) is arranged on and buckles (10) both sides and hinged with base (8), base (8) top is provided with lanyard (1), base (8) side is provided with light switch (3), below is provided with illuminating lamp (7), described shell (2) is provided with LCD display (4), LCD display (4) below is provided with keyboard (5) and speaker port (6),
Internal circuit adopts AT89C52 single-chip microcomputer as main control chip, pass through P2.0, P2.1, P2.2, the mode of P2.3 mouth simulation SPI mouth and the main control chip of LCD module carry out serial communication, unibus communication is carried out by P0.0 and temperature-sensing element, single-chip microcomputer P1.5 mouth control LED light emitting diode realizes backlight function, P1.6 mouth controls piezoelectric ceramic piece and realizes temperature alarming function, P1.7 mouth pilot relay realizes the on-off function of load, described keyboard (5) adopts independent keyboard circuit, the function key of keyboard (5) comprises KEY1 for empty, KEY2 time set-up function, KEY3 temperature setting function, KEY4 backlight control and KEY5 quarter-bell control, the P1.0 of described keyboard (5) and single-chip microcomputer, P1.1, P1.2, P1.3, the communication of P1.4 mouth.
2. a kind of digital temperature controller as claimed in claim 1, is characterized in that: described LCD display (4) is mobile phone display screen curtain, and described mobile phone display screen curtain is integrated with display control module LPH7366.
3. a kind of digital temperature controller as claimed in claim 1, is characterized in that: described temperature-sensing element is DS18B20 single slice integration temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041621.4U CN204347650U (en) | 2015-01-21 | 2015-01-21 | A kind of digital temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041621.4U CN204347650U (en) | 2015-01-21 | 2015-01-21 | A kind of digital temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347650U true CN204347650U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520041621.4U Expired - Fee Related CN204347650U (en) | 2015-01-21 | 2015-01-21 | A kind of digital temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873669A (en) * | 2017-02-21 | 2017-06-20 | 江汉大学 | A kind of lighting device for greenhouse |
| CN112631348A (en) * | 2020-12-29 | 2021-04-09 | 安徽盛世天朗软件科技有限公司 | Temperature self-adjusting network equipment temperature controller and adjusting method thereof |
-
2015
- 2015-01-21 CN CN201520041621.4U patent/CN204347650U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873669A (en) * | 2017-02-21 | 2017-06-20 | 江汉大学 | A kind of lighting device for greenhouse |
| CN106873669B (en) * | 2017-02-21 | 2019-07-16 | 江汉大学 | A kind of lighting device for greenhouse |
| CN112631348A (en) * | 2020-12-29 | 2021-04-09 | 安徽盛世天朗软件科技有限公司 | Temperature self-adjusting network equipment temperature controller and adjusting method thereof |
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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: 20150520 Termination date: 20170121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |