CN211651863U - Temperature measurement display circuit for multiple measured values - Google Patents
Temperature measurement display circuit for multiple measured values Download PDFInfo
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- CN211651863U CN211651863U CN201922385162.2U CN201922385162U CN211651863U CN 211651863 U CN211651863 U CN 211651863U CN 201922385162 U CN201922385162 U CN 201922385162U CN 211651863 U CN211651863 U CN 211651863U
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Abstract
The utility model belongs to the field of temperature measurement, and provides a temperature measurement display circuit for a plurality of measured values, which comprises a temperature sensor, a temperature module, a terminal unit, an interface unit and a basic unit; the temperature sensor is characterized in that the measuring head end of the temperature sensor is connected with a component to be measured, the wiring end of the temperature sensor is connected with a terminal unit, the terminal unit is connected with a temperature input module through current, the temperature module is installed on a basic unit through an expansion interface and is connected with a PLC (programmable logic controller) of a numerical control system through an interface unit installed on the basic unit, and the basic unit supplies power for the temperature module. The utility model discloses the temperature measurement of a plurality of measured values shows the circuit, can show on numerical control system is from the screen of taking, and is pleasing to the eye direct to do not receive the restriction of thermometer, can show a plurality of temperature values.
Description
Technical Field
The utility model belongs to the temperature measurement field relates to a temperature measurement of a plurality of measured values shows circuit, can root in numerical control system and show on the screen of system.
Background
At present, the most widely used temperature measuring circuit on a numerical control machine tool generally consists of a temperature sensor and a thermometer produced by a rainbow moistening manufacturer. The temperature sensor is placed at the position of a machine tool bearing to be measured, a wiring terminal of the temperature sensor is connected to the rainbow-wetting thermometer, and appropriate parameters are selected and set in the parameter options of the thermometer. In designing such a temperature detection circuit, a temperature sensor of an appropriate specification and a temperature table of a corresponding signal are selected. However, when the model of the temperature sensor is changed, the thermometer needs to be changed correspondingly, because the acquired signals are different, and corresponding parameters need to be set for the thermometer again after the temperature sensor with the new model is changed; more importantly, the temperature meter is generally required to be perforated due to the attractive design of the numerical control operating platform, the overall layout of the original numerical control operating interface is influenced, the perforation is not easily increased in the later design stage if the temperature meter is increased after design and sizing, and the number of displayed temperature values is limited.
Disclosure of Invention
The utility model aims at not enough among the prior art, provide a temperature measurement display circuit of a plurality of measured values, can show on numerical control system is from the screen of taking, pleasing to the eye directness to do not receive the restriction of thermometer, can show a plurality of temperature values.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a temperature measurement display circuit for a plurality of measured values comprises a temperature sensor, a temperature module, a terminal unit, an interface unit and a basic unit; the temperature sensor is characterized in that the measuring head end of the temperature sensor is connected with a component to be measured, the wiring end of the temperature sensor is connected with a terminal unit, the terminal unit is connected with a temperature input module through current, the temperature module is installed on a basic unit through an expansion interface and is connected with a PLC (programmable logic controller) of a numerical control system through an interface unit installed on the basic unit, and the basic unit supplies power for the temperature module.
In the above technical solution, the temperature sensor adopts PT100, and the temperature sensor is plugged into the terminal row end of the terminal unit through a cable.
In the above technical solution, the temperature module may receive four temperature sensor signals, and four temperature sensor signals may be added for each additional temperature module.
Temperature measurement display circuit's theory of operation and detection step be:
(1) the temperature sensor sends the measured temperature value to the terminal unit;
(2) the temperature sensor is connected by utilizing the characteristic that the terminal unit is convenient to wire, and the cable is inserted into the cable end of the terminal unit through a special cable so as to enter the temperature module;
(3) the temperature module is arranged on the basic unit, and the basic unit provides the voltage required by the work for the basic unit;
(4) the temperature signal is read and sent to the PLC of the final numerical control system through an interface module arranged at the forefront of the basic unit.
The beneficial effects of the utility model are that, only increase switching modules such as temperature module and terminal unit in original one set of PLC module, simple structure, low cost can accurately measure the temperature value directly perceivedly, and can measure a plurality of temperature values to all show on numerical control system's screen interface.
Drawings
Fig. 1 is a schematic diagram of a temperature detection circuit in the prior art.
Wherein: 1. temperature control table, 2. temperature sensor.
Fig. 2 is a schematic diagram of the temperature measurement display circuit of the present invention.
Wherein: 1. the temperature module, 2, the extension interface, 3, the terminal unit, 4, the temperature sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
FIG. 1 shows a prior art temperature detection circuit, which is composed of a temperature sensor 2 directly connected in series with a temperature control table 1. The temperature of the machine tool bearing to be measured is tightly attached to the temperature sensor 2, and the wiring terminal of the temperature sensor 2 is connected to the thermometer. At the moment, the selection of the specification of the thermometer model depends on the model of the temperature sensor, and each thermometer can only measure two temperature values at most, and the numerical values of two channels are displayed and output. The number of measured temperature values is limited.
Fig. 2 is a temperature measurement display circuit according to an embodiment of the present invention, which is composed of a temperature sensor 4, a temperature module 1, a terminal unit 3, an interface unit, a basic unit, and the like. The temperature measuring device is characterized in that the measuring end of the temperature sensor 4 is connected with a component to be measured, the wiring end of the temperature sensor 4 is connected with the terminal unit 3, the terminal unit 3 is connected with the temperature module 1, the temperature module 1 is installed on the basic unit through the expansion interface 2 and is connected with a PLC (programmable logic controller) of a numerical control system through the interface unit installed on the basic unit, and the basic unit supplies power for the temperature module 1.
In order to accurately sample the temperature of the machine tool component, the temperature sensor 4 is closely attached in a groove of the measured component, and the sensor can adopt PT 100. PT100 is a platinum resistance temperature sensor, is suitable for measuring the temperature between-60 ℃ and +400 ℃, and is completely suitable for the use environment temperature of a machine tool to be 5 ℃ to 45 ℃. PT100 has a resistance of 100 ohms at 0 degrees and a resistance temperature of about 138.5 ohms at 100 degrees, with the resistance varying linearly with temperature, about 0.4 ohms per degree celsius. Temperature measurement display circuit of a plurality of measured values can receive four temperature input values through temperature module, the PLC collection of rethread numerical control system from the area reads the temperature value, finally shows a plurality of temperature values of measuring through the display interface display of numerical control system development.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (3)
1. A temperature measurement display circuit for multiple measured values is characterized in that: the temperature sensor comprises a temperature sensor, a temperature module, a terminal unit, an interface unit and a basic unit; the temperature measuring head end of the temperature sensor is connected with a component to be measured, the wiring end of the temperature sensor is connected with the terminal unit, the terminal unit is connected with the temperature module, the temperature module is installed on the basic unit through the expansion interface and is connected with the PLC of the numerical control system through the interface unit installed on the basic unit, and the basic unit supplies power for the temperature module.
2. The multiple measurement value temperature measurement display circuit of claim 1, wherein: the temperature sensor adopts PT100, and the temperature sensor is plugged into the bus bar end of the terminal unit through a cable.
3. The multiple measurement value temperature measurement display circuit of claim 1, wherein: the temperature module is connected with signals of four temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385162.2U CN211651863U (en) | 2019-12-26 | 2019-12-26 | Temperature measurement display circuit for multiple measured values |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385162.2U CN211651863U (en) | 2019-12-26 | 2019-12-26 | Temperature measurement display circuit for multiple measured values |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651863U true CN211651863U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922385162.2U Active CN211651863U (en) | 2019-12-26 | 2019-12-26 | Temperature measurement display circuit for multiple measured values |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211651863U (en) |
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2019
- 2019-12-26 CN CN201922385162.2U patent/CN211651863U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 430205 No.3 fozuling 1st Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: Wuhan Wuzhong casting and Forging Co., Ltd Address before: No.3, fozuling 1st Road, Donghu New Technology Development Zone, Wuhan, Hubei 430000 Patentee before: WUHAN HEAVY DUTY MACHINE TOOL Group Corp. |
|
| TR01 | Transfer of patent right |