CN202350927U - Intelligently universal digital display device - Google Patents
Intelligently universal digital display device Download PDFInfo
- Publication number
- CN202350927U CN202350927U CN2011204072369U CN201120407236U CN202350927U CN 202350927 U CN202350927 U CN 202350927U CN 2011204072369 U CN2011204072369 U CN 2011204072369U CN 201120407236 U CN201120407236 U CN 201120407236U CN 202350927 U CN202350927 U CN 202350927U
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Abstract
The utility model discloses an intelligently universal digital display device, comprising a signal detection unit for detecting a thermal-resistance temperature sensor, a thermocouple temperature sensor, a linear analogue current temperature sensor or a linear analogue voltage temperature sensor; a signal processing unit for receiving the electric signals of the signal detection unit and processing the electric signals; as well as a signal display unit for displaying the electric signals after being processed by the signal processing unit, an output unit and an alarm unit. The device collects the original signals of a thermal resistance, a thermocouple, a linear analogue current temperature or a linear analogue voltage, adequately applies the strong computing and processing capacities of a single chip to realize the purpose of monitoring in real time, and adopts an advanced integrated electronic circuit, thus being good in monitoring accuracy and reliability.
Description
Technical field
The utility model belongs to the technology of instrument and meter field, relates to a kind of digital display device, particularly a kind of intelligent universal digital display device.
Background technology
Monitoring temperature is widely used in the scene temperature collection, adopts industry thermal resistance Temperature Humidity Sensor commonly used, adopts the three-wire type input; Effectively avoid error on the line of thermal resistance Temperature Humidity Sensor, improved temperature measurement accuracy, be convenient for measuring all temps; When temperature surpasses the setting alarming value, alarm actuating contact is provided, relevant device is effectively protected; So must measure at any time the device of monitoring temperature, prior art can not guarantee the accuracy and the reliability of monitoring temperature then.
The utility model content
The purpose of the utility model is to overcome the defective that exists in the prior art, and a kind of intelligent universal digital display device that can control monitoring temperature accuracy and reliability preferably is provided.
For achieving the above object, the technical scheme of the utility model provides a kind of intelligent universal digital display device, comprising:
Detecting signal unit comprises being arranged near the temperature sensor of dut temperature parts, is used for the collecting temperature signal, and converts temperature signal into corresponding electric signal, then described electric signal is sent to signal processing unit;
Signal processing unit; Comprise the filtering circuit, amplifying circuit, analog to digital converter and the single-chip microcomputer that are connected in turn on the circuit board; Be used to receive the electric signal that detecting signal unit sends; And electric signal handled, obtain measurement data, through output terminal result is sent to signal display unit, output unit and/or alarm unit;
Signal display unit comprises display, is used to show detected data-signal;
Output unit converts the data-signal of receiving signal processing unit into current signal output through photoisolator, digital to analog converter and converter successively;
Alarm unit comprises warning indicator and relay, and when data-signal reaches alarm setting value, the data-signal of signal processing unit is sent to the warning indicator and the relay of alarm unit simultaneously through photoisolator.
In order to guarantee collection to temperature; The further optimized technical scheme of the utility model is; The temperature sensor access port is a three-wire type, and said temperature sensor is thermal resistance sensor, thermocouple sensor, linear analogue current sensor or linear analogue voltage sensor.
Steadily export for the signal that guarantees alarm unit, also be included between signal processing unit and the alarm unit and be provided with chronotron; Said chronotron is adjustable chronotron.
For the ease of reading testing result, further optimized technical scheme is, said display can be selected the charactron display for use, is used for the data-signal after the display process.
In order to guarantee the normal operation of digital display device, further optimized technical scheme is, also comprises power module, is used to each unit power supply.
Be destroyed for fear of interference or device; Further optimized technical scheme is; Also comprise housing, said detecting signal unit, signal processing unit, signal display unit, output unit and alarm unit are located in the housing, on said housing, be provided with the window of display and button is set.
The advantage and the beneficial effect of the utility model are: the intelligent universal digital display device of the utility model adopts advanced integrated electronic circuit, has and monitors accuracy and reliability preferably; Owing to be provided with chronotron, can guarantee that the signal of alarm unit is steadily exported; Owing to also comprise power module, be used to each unit power supply, can guarantee the normal operation of digital display device; Also comprise housing, said detecting signal unit, signal processing unit, signal display unit, output unit and alarm unit are located in the housing, the window that on said housing, is provided with display with button is set, can avoid interference or device is destroyed.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model;
Fig. 2 is the utility model structure rating synoptic diagram;
Fig. 3 is the shell mechanism synoptic diagram of the utility model.
Among the figure, 1, display; 2, button is set; 3, warning indicator; 4, circuit board; 5, power module; 6, relay; 7, single-chip microcomputer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Shown in Fig. 1 to 3, the technical scheme of the utility model provides a kind of intelligent universal digital display device, comprising:
Detecting signal unit comprises being arranged near the temperature sensor of dut temperature parts, is used for the collecting temperature signal, and converts temperature signal into corresponding electric signal, then described electric signal is sent to signal processing unit;
Signal processing unit; Comprise the filtering circuit, amplifying circuit, analog to digital converter and the single-chip microcomputer 7 that are connected in turn on the circuit board 4; Be used to receive the electric signal that detecting signal unit sends; And electric signal handled, obtain measurement data, through output terminal result is sent to signal display unit, output unit and/or alarm unit;
Signal display unit comprises display 1, is used to show detected data-signal;
Output unit converts the data-signal of receiving signal processing unit into current signal output through photoisolator, digital to analog converter and converter successively;
Alarm unit comprises warning indicator 3 and relay 6, and when data-signal reaches alarm setting value, the data-signal of signal processing unit is sent to the warning indicator 3 and relay 6 of alarm unit simultaneously through photoisolator.
On the basis of embodiment 1; In order to guarantee collection to temperature; The further optimized technical scheme of the utility model is; The temperature sensor access port is a three-wire type, and said temperature sensor is thermal resistance sensor, thermocouple sensor, linear analogue current sensor or linear analogue voltage sensor.
On the basis of embodiment 1, steadily export for the signal that guarantees alarm unit, also be included between signal processing unit and the alarm unit and be provided with chronotron.
Embodiment 4
On the basis of embodiment 3, said chronotron is adjustable chronotron.
Embodiment 5
On the basis of embodiment 1, for the ease of reading testing result, further optimized technical scheme is, said display 1 can be selected the charactron display for use, is used for the data-signal after the display process.
Embodiment 6
On the basis of embodiment 1, in order to guarantee the normal operation of digital display device, further optimized technical scheme is, also comprises power module 5, is used to each unit power supply.
Embodiment 7
On the basis of embodiment 1; Be destroyed for fear of interference or device; Further optimized technical scheme is; Also comprise housing, said detecting signal unit, signal processing unit, signal display unit, output unit and alarm unit are located in the housing, on said housing, be provided with the window of display 1 and button 2 is set.
Be illustrated in figure 1 as the schematic block circuit diagram of the general digital display device among the utility model embodiment.Adopt the 220V ac power supply, signals collecting is accomplished, and offers single-chip microcomputer 7 through filtering, amplification, A/D after handling, and accomplishes the function that shows and report to the police by single-chip microcomputer 7 again.Also have outputs such as 4-20mA in addition.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (7)
1. an intelligent universal digital display device is characterized in that, comprising:
Detecting signal unit comprises being arranged near the temperature sensor of dut temperature parts, is used for the collecting temperature signal, and converts temperature signal into corresponding electric signal, then described electric signal is sent to signal processing unit;
Signal processing unit; Comprise the filtering circuit, amplifying circuit, analog to digital converter and the single-chip microcomputer that are connected in turn on the circuit board; Be used to receive the electric signal that detecting signal unit sends; And electric signal handled, obtain measurement data, through output terminal result is sent to signal display unit, output unit and/or alarm unit;
Signal display unit comprises display, is used to show detected data-signal;
Output unit converts the data-signal of receiving signal processing unit into current signal output through photoisolator, digital to analog converter and converter successively;
Alarm unit comprises warning indicator and relay, and when data-signal reaches alarm setting value, the data-signal of signal processing unit is sent to the warning indicator and the relay of alarm unit simultaneously through photoisolator.
2. intelligent universal digital display device as claimed in claim 1 is characterized in that: said temperature sensor access port is a three-wire type, and temperature sensor is thermal resistance sensor, thermocouple sensor, linear analogue current sensor or linear analogue voltage sensor.
3. intelligent universal digital display device as claimed in claim 2 is characterized in that: also be included between signal processing unit and the alarm unit and be provided with chronotron.
4. intelligent universal digital display device as claimed in claim 3 is characterized in that: said chronotron is adjustable chronotron.
5. intelligent universal digital display device as claimed in claim 4 is characterized in that: said display is the charactron display.
6. intelligent universal digital display device as claimed in claim 5 is characterized in that: also comprise power module.
7. like each described intelligent universal digital display device of claim 1 to 6; It is characterized in that: also comprise housing; Said detecting signal unit, signal processing unit, signal display unit, output unit and alarm unit are located in the housing, on said housing, be provided with the window of display and button is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204072369U CN202350927U (en) | 2011-10-21 | 2011-10-21 | Intelligently universal digital display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204072369U CN202350927U (en) | 2011-10-21 | 2011-10-21 | Intelligently universal digital display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350927U true CN202350927U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204072369U Expired - Fee Related CN202350927U (en) | 2011-10-21 | 2011-10-21 | Intelligently universal digital display device |
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| Country | Link |
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| CN (1) | CN202350927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359581A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Temperature display for thermal resistor |
| CN104458042A (en) * | 2014-12-09 | 2015-03-25 | 南京化工职业技术学院 | Automatic tester for temperature of thermocouple |
| CN107505051A (en) * | 2017-09-24 | 2017-12-22 | 江苏新力科技实业有限公司 | A kind of mining intrinsic safety type infrared temperature sensor of the 20mA of band 4 outputs |
-
2011
- 2011-10-21 CN CN2011204072369U patent/CN202350927U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359581A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Temperature display for thermal resistor |
| CN104458042A (en) * | 2014-12-09 | 2015-03-25 | 南京化工职业技术学院 | Automatic tester for temperature of thermocouple |
| CN107505051A (en) * | 2017-09-24 | 2017-12-22 | 江苏新力科技实业有限公司 | A kind of mining intrinsic safety type infrared temperature sensor of the 20mA of band 4 outputs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121021 |