CN215494609U - Temperature calibrator control system - Google Patents
Temperature calibrator control system Download PDFInfo
- Publication number
- CN215494609U CN215494609U CN202121384558.6U CN202121384558U CN215494609U CN 215494609 U CN215494609 U CN 215494609U CN 202121384558 U CN202121384558 U CN 202121384558U CN 215494609 U CN215494609 U CN 215494609U
- Authority
- CN
- China
- Prior art keywords
- module
- chip
- temperature
- signal
- ports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to the technical field of temperature calibrators, and discloses a temperature calibrator control system which comprises a signal acquisition input module, a signal processing module and a temperature calibration module, wherein the signal acquisition input module is used for acquiring temperature signals and comprises an acquisition chip U1, and a plurality of signal receiving ports are arranged on the acquisition chip U1 and used for receiving and acquiring temperature information; the CPU module is electrically connected with the signal acquisition input module and is used for receiving the acquired temperature signal and automatically processing and analyzing the temperature signal; the display module is electrically connected with the CPU module and is used for displaying detection information and a data analysis result of the CPU module; and the storage module is electrically connected with the CPU module and is used for storing the detection data. The system automatically judges the accuracy of the temperature measurement of the detection equipment, and reduces the possibility of bringing larger human factor errors in the process of manual work.
Description
Technical Field
The utility model relates to the technical field of temperature calibrators, in particular to a control system of a temperature calibrator.
Background
In the use process of an industrial field, a lot of industries relate to temperature, the temperature measurement in the industrial field generally uses field instruments such as a thermal resistor and a thermocouple temperature sensor, a temperature measuring gun, a digital display meter, a temperature controller and a recorder to measure, and the precision of the measuring instrument may be slowly reduced in the long-term use process, thereby affecting the product quality, the production and the like.
The temperature calibrator is an instrument for detecting the precision of a temperature sensor and a field display instrument, the temperature calibrator in the prior art can only collect temperature information and needs to judge the precision of the detection instrument manually, so that a great deal of working intensity is increased for detection personnel, and a great human factor error can be brought in the working process.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a temperature calibrator control system.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a temperature calibrator control system, comprising:
the signal acquisition input module is used for acquiring temperature signals, and the signal acquisition input module comprises an acquisition chip U1, wherein a plurality of signal receiving ports are arranged on the acquisition chip U1 and used for receiving and acquiring temperature information.
The CPU module is electrically connected with the signal acquisition input module and is used for receiving the acquired temperature signal and automatically processing and analyzing the temperature signal;
the display module is electrically connected with the CPU module and is used for displaying detection information and a data analysis result of the CPU module;
and the storage module is electrically connected with the CPU module and is used for storing the detection data.
In the utility model, the system further comprises a 232 communication module and a power management module, wherein the 232 communication module and the power management module are both electrically connected with the CPU unit, the 232 communication module is used for communicating with an upper computer, and the power management module is used for providing a required power supply for the system.
The CPU module comprises a main control chip U2, X1 and X2 ports of the main control chip U2 are connected with a crystal oscillator unit for providing clock signals, RXD ports and TXD ports of the main control chip U2 are connected with the 232 communication module and used for realizing information transmission between an upper computer and the CPU module, and a RESET port of the main control chip U2 is connected with a RESET button J4 and used for realizing manual RESET.
The OSC1 and OSC2 ports of the acquisition chip U1 are connected to a crystal oscillator X2 for providing pulse signals to the acquisition chip U1, and the CS port, SDI port, and SDO port of the acquisition chip U1 are respectively connected to the P14, P16, and P17 ports of the main control chip U2, so as to implement signal transmission between the acquisition chip U1 and the main control chip U2.
The display module comprises display screen interfaces RM1, RM2 and RM3, the display screen interface RM1 is connected with ports P10 to P17 of the main control chip U2 and used for displaying temperature detection information, the display screen interface RM2 is correspondingly connected with ports P20 to P27 of the main control chip U2 and used for realizing display control of indicator lights, and the display screen interface RM3 is connected with ports INT1, INT0, T1, T0, RD and WR of the main control chip U2 and used for realizing signal control of detection data parameter analysis results.
The 232 communication module comprises a communication chip U5, and T1IN and R1OUT ports of the communication chip U5 are correspondingly connected with TXD and RXD ports of the main control chip U2, so as to realize information transceiving between the communication module and the CPU module.
The power management module comprises a first power conversion unit and a second power conversion unit, the first power conversion unit is used for providing VCC voltage, VD + voltage and DAVDD voltage, and the second power conversion unit is used for providing VREF voltage.
The memory unit comprises a memory chip U3, and pins 5, 6 and 7 of the memory chip U3 are correspondingly connected with pins 26, 25 and 27 of the main control chip U2 respectively and are used for transmitting detection data of the CPU module.
In the present invention, preferably, the second power conversion unit includes a voltage regulation chip U6, an input end of the voltage regulation chip is connected to a VA + power supply, and an output end of the voltage regulation chip U6 is connected to a VREF voltage.
In the present invention, preferably, the model number of the main control chip U2 is 89C 51.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the signal acquisition module is used for receiving temperature acquisition information, different temperature sensors or accurate temperature measurement equipment and equipment to be measured are used for simultaneously acquiring the temperature, the acquisition accuracy is improved, the acquired information is transmitted to the CPU module, the CPU module automatically processes and analyzes the data according to an internal program so as to automatically judge the accuracy of the temperature measurement of the detection equipment, and great human factor errors possibly brought in the manual work process are reduced.
Meanwhile, the scheme is also provided with a storage module, so that the detection data can be stored in real time, and the personnel in the subsequent operation platform can call the data as reference. The communication with an upper computer and the like can be realized through the 232 communication module, and the data uploading and the proofreading are convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a circuit diagram of a signal acquisition input module of the present invention;
FIG. 3 is a circuit diagram of a CPU module and a display module of the present invention;
FIG. 4 is a circuit diagram of a memory module of the present invention;
FIG. 5 is a circuit diagram of a 232 communication module of the present invention;
fig. 6 is a circuit diagram of a first power conversion unit of the present invention;
fig. 7 is a circuit diagram of a second power conversion unit of the present invention;
fig. 8 is a circuit diagram of a digital-to-analog power conversion power supply unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a preferred embodiment of the present invention provides a control system for a temperature calibration instrument, which is a special temperature calibration instrument for casting, and is mainly used for detecting and calibrating the temperature of a temperature measuring gun, and specifically includes:
the signal acquisition input module is used for acquiring temperature signals, and the signal acquisition input module comprises an acquisition chip U1, wherein a plurality of signal receiving ports are arranged on the acquisition chip U1 and used for receiving acquired temperature information.
The CPU module is electrically connected with the signal acquisition input module and is used for receiving the acquired temperature signal and automatically processing and analyzing the temperature signal; the display module is electrically connected with the CPU module and is used for displaying detection information and a data analysis result of the CPU module; and the storage module is electrically connected with the CPU module and is used for storing the detection data.
Specifically, the temperature acquisition information is received through the signal acquisition module, different temperature sensors or accurate temperature measurement equipment and equipment to be measured are used for simultaneously acquiring the temperature, the acquisition accuracy is improved, the acquired information is transmitted to the CPU module, the CPU module automatically processes and analyzes the data according to an internal program so as to judge the accuracy of the temperature measurement of the detection equipment, and great human factor errors possibly caused in the manual working process are reduced.
In the utility model, the system further comprises a 232 communication module and a power management module, wherein the 232 communication module and the power management module are both electrically connected with the CPU unit, the 232 communication module is used for communicating with an upper computer, and the power management module is used for providing a required power supply for the system.
Specifically, this scheme still is equipped with storage module, can save the detection data in real time to make things convenient for the follow-up operation panel personnel to call data as the reference. The communication with an upper computer and the like can be realized through the 232 communication module, and the data uploading and the proofreading are convenient.
In the present invention, as shown in fig. 3, the CPU module includes a main control chip U2, the main control chip U2 is 89C51, ports X1 and X2 of the main control chip U2 are connected to a crystal oscillator unit for providing a clock signal, the crystal oscillator unit includes a crystal oscillator X1, and the crystal oscillator X1 is configured to provide an accurate pulse signal for the main control chip U2, so as to ensure accurate operation of an internal program of the main control chip U2. The RXD port and the TXD port of the main control chip U2 are both connected with the 232 communication module and used for realizing the information transmission between the upper computer and the CPU module, and the RESET port of the main control chip U2 is connected with the RESET button J4 and used for realizing manual RESET.
In the present invention, as shown in fig. 2, the type of the acquisition chip U1 is COMPONENT, the acquisition chip U1 includes four signal receiving ports, specifically AIN1+, AIN1-, AIN2+, AIN2-, AIN3+, AIN3-, AIN4+, AIN4-, and the four signal receiving ports may be connected to an externally calibrated thermo-measuring gun, one or more thermo-measuring guns to be measured or internal temperature sensors at the same time.
The OSC1 and OSC2 ports of the acquisition chip U1 are connected to a crystal oscillator X2 for providing pulse signals to the acquisition chip U1, and the CS port, SDI port and SDO port of the acquisition chip U1 are respectively connected to the P14, P16 and P17 ports of the main control chip U2, so as to realize signal transmission between the acquisition chip U1 and the main control chip U2.
In the present invention, as shown in fig. 3, the display module includes display screen interfaces RM1, RM2, and RM3, the display screen interface RM1 is connected to ports P10 to P17 of the main control chip U2 for displaying temperature detection information, the display screen interface RM2 is correspondingly connected to ports P20 to P27 of the main control chip U2 for displaying control of indicator lights, and the display screen interface RM3 is connected to ports INT1, INT0, T1, T0, RD, WR of the main control chip U2 for implementing signal control of detection data parameter analysis results. The display module of the scheme selects an 8-inch liquid crystal display screen, and is connected with the liquid crystal display screen through display screen interfaces RM1, RM2 and RM3 so as to realize information display in different states.
In the present invention, as shown in fig. 5, the 232 communication module includes a communication chip U5, the model of the communication chip U5 is MAX232E, and the T1IN and R1OUT ports of the communication chip U5 are correspondingly connected with the TXD and RXD ports of the main control chip U2, so as to implement information transceiving between the communication module and the CPU module. The port C1+ of the communication chip U5 is connected with a filter capacitor E15, and the port C2+ is connected with a filter capacitor E14 and a filter capacitor E15 for filtering power signals.
In the present invention, as shown in fig. 4, the memory unit includes a memory chip U3, the model of the memory chip U3 is AT24C16, pins 5, 6, and 7 of the memory chip U3 are respectively connected to pins 26, 25, and 27 of the main control chip U2, and are used for transmitting the detection data of the CPU module, and ports a0, a1, a2, and a GND port of the memory chip U3 are all grounded.
In the present invention, the power management module further includes a first power conversion unit, a second power conversion unit, a digital-to-analog power conversion unit, and other power conversion units, where the first power conversion unit is configured to provide a VCC voltage, a VD + voltage, and a DAVDD voltage, the second power conversion unit is configured to provide a VREF voltage, the digital-to-analog power conversion unit is configured to convert a digital power into an analog power, and the other power conversion units mainly perform voltage conversion according to the power requirement of the system, which is not described herein more.
Specifically, in this embodiment, as shown in fig. 6, the first power conversion unit includes a power supply socket J11, the power supply socket J11 is connected to a filter conversion unit, the filter conversion unit includes a zener diode D4 and a capacitor C14 connected in parallel to two ends of the power supply socket J11, so that the voltage of the power supply socket J11 is filtered to output a VCC voltage, the capacitor C14 is connected in parallel to a capacitor E11, a capacitor E12, a capacitor C29, and a zener diode D2, so that the VCC voltage is converted into a VD + voltage, the capacitor E11 is further connected to a resistor R6 and a zener diode D3, the zener triode D3 is connected in parallel to a capacitor C13, a capacitor E10, and a capacitor E19, so that the VD + voltage is converted into a DAVDD voltage.
In the present invention, preferably, as shown in fig. 7, the second power conversion unit includes a voltage regulation chip U6, the model of the voltage regulation chip U6 is AD680DIP, an input end of the voltage regulation chip is connected with a VA + power supply, an output end of the voltage regulation chip U6 is connected with a VREF voltage, and the power chip U6 is mainly used for converting the VA + power supply into the VREF + power supply to supply power to the system.
In the present invention, as shown in fig. 8, the digital-to-analog power conversion unit includes a digital-to-analog conversion chip U7, a pin 1 of the digital-to-analog conversion chip U7 is connected to the DAVDD power supply, pins 2 and 3 are connected to the crystal oscillator X3, a pin 1 of the digital-to-analog conversion chip U7 is connected to the DAVA + power supply, pins 14 and 15 are correspondingly connected to pins 4 and 3 of the main control chip U2 for implementing signal transmission with the CPU unit, so as to control the signal control of the digital-to-analog conversion chip U7, and a pin 7 of the digital-to-analog conversion chip U7 is used to convert the DAVA + power supply to the DAVOUT power supply.
In the present embodiment, it is preferred that,
the working principle is as follows:
the utility model receives the temperature acquisition information of a plurality of sensors through the signal acquisition module, simultaneously acquires the temperature by utilizing different temperature sensors or accurate temperature measurement equipment and equipment to be measured, and transmits the acquired information to the CPU module, the CPU module automatically processes and analyzes the data according to an internal program, the accuracy of the temperature measurement gun to be measured is judged through the difference between the values of the external teaching temperature measurement gun and the temperature measurement gun to be measured, the analysis and processing result can be displayed on the display module, and the detection data can be stored in real time through the storage module, so that the personnel of a subsequent operation platform can call the data as reference. The communication with an upper computer and the like can be realized through the 232 communication module, and the data uploading and the proofreading are convenient. Therefore, the method reduces the possibility of bringing larger human factor errors in the manual work process.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. A control system of a temperature calibrator is characterized by comprising
The signal acquisition input module is used for acquiring temperature signals and comprises an acquisition chip U1, a plurality of signal receiving ports are arranged on the acquisition chip U1 and used for receiving acquired temperature information,
the CPU module is electrically connected with the signal acquisition input module and is used for receiving the acquired temperature signal and automatically processing and analyzing the temperature signal;
the display module is electrically connected with the CPU module and is used for displaying detection information and a data analysis result of the CPU module;
and the storage module is electrically connected with the CPU module and is used for storing the detection data.
2. The control system according to claim 1, further comprising a 232 communication module and a power management module, wherein the 232 communication module and the power management module are both electrically connected to the CPU unit, the 232 communication module is configured to communicate with an upper computer, and the power management module is configured to provide a required power supply for the system.
3. The control system of the temperature calibrator according to claim 2, wherein the CPU module comprises a master control chip U2, X1 and X2 ports of the master control chip U2 are connected with a crystal oscillator unit for providing a clock signal, an RXD port and a TXD port of the master control chip U2 are both connected with the 232 communication module for realizing information transmission between an upper computer and the CPU module, and a RESET port of the master control chip U2 is connected with a RESET button J4 for realizing manual RESET.
4. The control system of the temperature calibrator according to claim 3, wherein a crystal oscillator X2 for providing a pulse signal to the acquisition chip U1 is connected to ports OSC1 and OSC2 of the acquisition chip U1, and a CS port, an SDI port and an SDO port of the acquisition chip U1 are respectively connected to ports P14, P16 and P17 of the main control chip U2, so as to realize signal transmission between the acquisition chip U1 and the main control chip U2.
5. The temperature-calibrating instrument control system according to claim 4, wherein the display module comprises display screen interfaces RM1, RM2 and RM3, the display screen interface RM1 is connected with ports P10 to P17 of the main control chip U2 for displaying temperature detection information, the display screen interface RM2 is correspondingly connected with ports P20 to P27 of the main control chip U2 for displaying control of indicator lights, and the display screen interface 3 is connected with ports INT1, INT0, T1, T0, RD and WR of the main control chip U2 for signal control of analysis results of detected data parameters.
6. The control system of claim 3, wherein the 232 communication module comprises a communication chip U5, and T1IN and R1OUT ports of the communication chip U5 are correspondingly connected with TXD and RXD ports of the main control chip U2, so as to realize the information transceiving between the communication module and the CPU module.
7. The control system of claim 3, wherein the power management module comprises a first power conversion unit configured to provide a VCC voltage, a VD + voltage, and a DAVDD voltage, and a second power conversion unit configured to provide a VREF voltage.
8. The control system of the temperature calibrator according to claim 7, wherein the memory module comprises a memory chip U3, and pins 5, 6 and 7 of the memory chip U3 are respectively connected with pins 26, 25 and 27 of the main control chip U2, so as to transmit the detection data of the CPU module.
9. The temperature-prover control system of claim 7 wherein the second power conversion unit includes a voltage regulation chip U6 with a VA + power supply connected to an input and a VREF voltage connected to an output of the voltage regulation chip U6.
10. The control system of claim 3, wherein the master control chip U2 is model 89C 51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384558.6U CN215494609U (en) | 2021-06-21 | 2021-06-21 | Temperature calibrator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384558.6U CN215494609U (en) | 2021-06-21 | 2021-06-21 | Temperature calibrator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494609U true CN215494609U (en) | 2022-01-11 |
Family
ID=79720697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121384558.6U Active CN215494609U (en) | 2021-06-21 | 2021-06-21 | Temperature calibrator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494609U (en) |
-
2021
- 2021-06-21 CN CN202121384558.6U patent/CN215494609U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190145944A1 (en) | Measuring arrangement | |
| CN101343104B (en) | Intelligent transmission apparatus for pH value of water | |
| CN205373919U (en) | Be used for industrial field to measure check gauge based on teletransmission | |
| CN205643684U (en) | Electric energy meter reliability testing system | |
| CN107655626A (en) | A kind of automation demarcation of pressure sensor and test equipment and its method of testing | |
| CN103487210A (en) | Full-automatic calibrating and debugging method and apparatus for intelligent pressure meter | |
| CN204730887U (en) | A kind of wireless infant incubator self-checking device | |
| TW201331736A (en) | Integrated temperature and humidity control device | |
| CN104501854A (en) | Intelligent test system based on TEDS sensor and matrix switch technology and test method thereof | |
| CN215494609U (en) | Temperature calibrator control system | |
| CN102721667B (en) | Optical interference type intelligent gas sensor | |
| CN200996875Y (en) | Multi-channel temperature-measuring recorder | |
| CN103528649B (en) | Cotton sewing thread on cone quality testing analytic system and method | |
| CN201463828U (en) | Digital railway gage rule with loss-preventing and alarming functions | |
| CN100451905C (en) | Programmable controller for temperature and humidity | |
| US7957922B2 (en) | Data logger system | |
| CN211123230U (en) | Portable automatic debugging system for calibrator | |
| CN103234617A (en) | Remote-control digital weighing machine with temperature compensation function and temperature compensation method for remote-control digital weighing machine | |
| CN205352438U (en) | Low -cost electron measurement system of high accuracy | |
| CN112415455A (en) | Automatic calibrating device of digital multimeter | |
| CN201436569U (en) | Ultra-high precision pressure calibration instrument | |
| CN104280098A (en) | Labview-based ship liquid level sensor testing system and testing method thereof | |
| KR200429321Y1 (en) | Multi-Channel Temperature and Humidity Instrument | |
| CN115372710B (en) | Automatic resistor testing device | |
| CN217405022U (en) | Measurement and control teaching platform adaptive to various industrial sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |