CN218002718U - Temperature transmitter - Google Patents
Temperature transmitter Download PDFInfo
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- CN218002718U CN218002718U CN202222438599.XU CN202222438599U CN218002718U CN 218002718 U CN218002718 U CN 218002718U CN 202222438599 U CN202222438599 U CN 202222438599U CN 218002718 U CN218002718 U CN 218002718U
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- temperature
- wiring board
- explosion
- digital display
- temperature measuring
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Abstract
The utility model discloses a temperature transmitter belongs to temperature measuring instrument technical field. The temperature measurement probe mainly comprises a temperature measurement probe, a connecting thread, a temperature measurement probe rod, a transmitter module, an explosion-proof shell, an LED digital display meter head and a wiring board. The temperature measuring probe is connected with the temperature measuring probe rod into a whole and is connected with the inlet of the explosion-proof shell through threads; the connecting thread is used for being connected with a temperature measuring pipeline or a container in an installing way; the transmitter module is electrically connected with the temperature measuring probe through a wiring board; an LED digital display meter head, a transmitter module and a wiring board are arranged in the explosion-proof shell; the LED digital display meter head is electrically connected with the transmitter module through a wiring board, and displays a temperature measurement value in real time; the wiring board integrates, can upload temperature measurement digital signal to instrument control system DCS simultaneously, realizes remote temperature monitoring. The utility model has the advantages that: the integrated structure is simple, the sealing is explosion-proof, the anti-interference, the gauge outfit LED digital display, the temperature measurement remote monitoring and the reliable operation are the same.
Description
Technical Field
The utility model relates to a temperature transmitter belongs to temperature measuring instrument technical field.
Background
The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, signals output by the temperature measuring elements are transmitted to a transmitter module, and physical measuring signals or common electric signals are converted into standard 4-20 mA electric signals to be output or are output in a communication protocol mode. The method is mainly used for measuring and controlling the temperature parameters of the industrial process.
However, the conventional temperature transmitter usually comprises a sensor and a signal converter, and a temperature display unit is additionally arranged. And can not be normally used in the explosive working environment of chemical industry.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a temperature transmitter has characteristics such as integration simple structure, sealed explosion-proof, the interference killing feature is strong, gauge outfit LED digital display, temperature measurement remote monitoring and reliable operation.
In order to realize the characteristic function, the utility model adopts the following technical scheme:
a temperature transmitter mainly comprises a temperature measuring probe, connecting threads, a temperature measuring probe rod, a transmitter module, an explosion-proof shell, an LED digital display gauge outfit and a wiring board. The temperature measuring probe is connected with the temperature measuring probe rod into a whole and is connected with the inlet of the explosion-proof shell through threads; the connecting thread is used for being connected with a temperature measuring pipeline or a container in an installing mode; the transmitter module is connected with the temperature measuring probe through a wiring board cable; an LED digital display meter head, a transmitter module and a wiring board are arranged in the cavity of the explosion-proof shell; the LED digital display gauge head is electrically connected with the transmitter module through the wiring board and displays the measured temperature value in real time.
Further optimized, the temperature probe comprises a temperature probe body and a temperature probe rod, and the temperature probe body is divided into a thermal resistor type and a thermocouple type.
Further optimization, the transmitter module adopts a miniaturized module mode, outputs standard 4-20 mA current signals and 0-5V/0-10V voltage signals, and can output RS485 digital signals.
Further optimizing, the explosion-proof shell is designed according to the explosion-proof level Ex d II CT6 standard, is explosion-proof and anti-interference, and can be used in places with explosive gas risks.
Further optimize, the wiring board integrates, links to each other with temperature probe, changer module, LED digital display gauge outfit, can upload temperature measurement digital signal to instrument control system DCS simultaneously, realizes long-range temperature measurement monitoring.
Further optimized, the LED digital display meter head is composed of a cast aluminum shell and an LED digital display screen, and has the advantages of high brightness, high gray level and long service life.
The beneficial effects of the utility model are that: the intelligent temperature-measuring instrument has the advantages of simple integrated structure, sealing and explosion prevention, strong anti-interference capability, meter head LED digital display, temperature-measuring remote monitoring, reliable work and the like.
Drawings
Fig. 1 is a schematic structural diagram of a temperature transmitter according to the present invention;
fig. 2 is a schematic diagram of a transmitter module installation of a temperature transmitter according to the present invention;
fig. 3 is a schematic diagram of a wiring board of the temperature transmitter of the present invention.
In the figure: the temperature measuring device comprises a temperature measuring probe 1, a connecting thread 2, a temperature measuring probe rod 3, a transmitter module 4, an explosion-proof shell 5, an LED digital display meter head 6 and a wiring board 7.
Detailed Description
The technical solution 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 the described embodiment is only one embodiment of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a temperature transmitter mainly includes temperature probe 1, connecting thread 2, temperature measurement probe rod 3, transmitter module 4, explosion-proof casing 5, LED digital display gauge outfit 6 and wiring board 7. The temperature measuring probe 1 is connected with the temperature measuring probe rod 3 into a whole and is connected with the inlet thread of the explosion-proof shell 5; the connecting thread 2 is used for being connected with a temperature measuring pipeline or a container in an installing way; the transmitter module 4 is connected with the temperature measuring probe 1 through a wiring board 7 by a cable; an LED digital display meter head 6, a transmitter module 4 and a wiring board 7 are sequentially arranged in the cavity of the explosion-proof shell 5; the LED digital display gauge outfit 6 is electrically connected with the transmitter module 4 through the wiring board 7, and displays the measured temperature value in real time.
The temperature measuring probe 1 is divided into two types of thermal resistor and thermocouple. The temperature measuring probe rod 3 is made of 304 and 316 stainless steel materials, and the insulation resistance is greater than or equal to 100M omega/10-100 VAC.
The transmitter module 4 adopts a miniaturized module mode, outputs standard 4-20 mA current signals and 0-5V/0-10V voltage signals, and can output through RS485 digital signals.
The explosion-proof shell 5 is designed according to the explosion-proof level Ex d II CT6 standard, is explosion-proof and anti-interference, and can be used in places with explosive gas danger.
The LED digital display gauge outfit 6 is composed of a cast aluminum shell and an LED digital display screen, and has the advantages of high brightness, high gray level and long service life.
The utility model discloses a theory of operation:
one type of temperature transmitter is the thermal resistor and thermocouple types. In the embodiment, the temperature measuring probe 1 is selected to be a thermal resistor type, the shell of the temperature measuring probe rod 3 is selected to be made of 304 or 316 stainless steel, and the insulation resistance is greater than or equal to 100 MOmega/10-100 VAC. The temperature measurement probe mainly comprises a temperature measurement probe 1, a connecting thread 2, a temperature measurement probe rod 3, a transmitter module 4, an explosion-proof shell 5, an LED digital display meter head 6 and a wiring board 7. The transmitter module 4, the wiring board 7 and the LED digital display meter head 6 are arranged in a cavity of the explosion-proof shell 5, the explosion-proof shell 5 is designed according to an explosion-proof level Ex d II CT6 standard, and the explosion-proof shell is suitable for temperature measurement of places containing explosive gases, wherein the ignition temperature is lower than IIC level, and is higher than T6.
Firstly, a temperature transmitter is installed in a temperature measuring pipeline or a container in a customized connection mode such as threaded connection or flange connection, wiring, electrification and electrical connection are carried out, calibration and debugging of a transmitter module 4 are carried out after 5 minutes of electrification, and an explosion-proof shell cover of a sealed explosion-proof shell 5 is closed after the completion. The temperature measuring probe 1 (thermal resistance type) temperature measuring thermal resistance signal is converted and amplified, then the nonlinear relation between the temperature and the resistance is compensated by a linear circuit, and a 4-20 mA current signal which is in linear relation with the measured temperature is output after passing through a V/I conversion circuit. The output two-wire system 4-20 mA current signal is transmitted to an LED digital display meter head 6 through a wiring board 7, and the temperature measurement temperature value is displayed in real time through signal conversion. The integrated wiring board 7 can simultaneously upload temperature measurement digital signals to an instrument control system DCS, and remote temperature measurement monitoring is realized.
Details of the present invention not described in detail belong to the prior art known to those skilled in the art.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structure changes, modifications, improvements, etc. made by the contents of the specification and the drawings should be included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a temperature transmitter mainly includes temperature probe (1), connecting thread (2), temperature measurement probe rod (3), changer module (4), explosion-proof housing (5), LED digital display gauge outfit (6), wiring board (7), its characterized in that: the temperature measuring probe (1) is connected with the temperature measuring probe rod (3) into a whole and is connected with the inlet of the explosion-proof shell (5) through threads; the connecting thread (2) is connected with a temperature measuring pipeline or a container in an installing way; the transmitter module (4) is connected with the temperature measuring probe (1) through a wiring board (7) through a cable, and an LED digital display meter head (6), the transmitter module (4) and the wiring board (7) are installed in the cavity of the explosion-proof shell (5); the LED digital display gauge outfit (6) is electrically connected with the transmitter module (4) through a wiring board (7).
2. Temperature transmitter according to claim 1, characterized in that said thermometric probe (1) is of the two types thermal resistance and thermocouple.
3. The temperature transmitter of claim 1, wherein the transmitter module (4) is in a miniaturized module mode and outputs a standard 4-20 mA current signal.
4. Temperature transmitter according to claim 1, characterized in that said explosion-proof housing (5) is designed according to the explosion-proof class Ex diict 6 standard.
5. The temperature transmitter of claim 1, wherein the wiring board (7) is integrated, electrically connected with the temperature measuring probe (1), the transmitter module (4) and the LED digital display head (6), and uploads a temperature measuring digital signal to the instrument control system DCS.
6. The temperature transmitter of claim 1, wherein the LED digital display gauge outfit (6) is composed of a cast aluminum shell and an LED digital display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438599.XU CN218002718U (en) | 2022-09-15 | 2022-09-15 | Temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438599.XU CN218002718U (en) | 2022-09-15 | 2022-09-15 | Temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002718U true CN218002718U (en) | 2022-12-09 |
Family
ID=84289965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222438599.XU Active CN218002718U (en) | 2022-09-15 | 2022-09-15 | Temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002718U (en) |
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2022
- 2022-09-15 CN CN202222438599.XU patent/CN218002718U/en active Active
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