CN209927313U - High-precision temperature transmitter - Google Patents
High-precision temperature transmitter Download PDFInfo
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- CN209927313U CN209927313U CN201920647944.6U CN201920647944U CN209927313U CN 209927313 U CN209927313 U CN 209927313U CN 201920647944 U CN201920647944 U CN 201920647944U CN 209927313 U CN209927313 U CN 209927313U
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- side wall
- temperature sensor
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Abstract
The utility model discloses a high-precision temperature transmitter, which belongs to the technical field of temperature detection equipment, and comprises an installation rod, a shell, a temperature sensor, a voltage stabilizer, a filter device, a power supply, a signal enhancer and a V/I converter, wherein the top of the installation rod is provided with a connecting block, the top of the connecting block is provided with the shell, the temperature data transmitted from the temperature sensor to the V/I converter can be more stable by arranging the voltage stabilizer in the temperature transmitter, the frequency point of specific frequency or the frequency beyond the frequency point can be effectively filtered by arranging the filter device in the device, the temperature data received by the V/I converter can not be interfered by external signals, and meanwhile, the signal enhancer is arranged in the device, the temperature data signals transmitted from the temperature sensor to the V/I converter can be enhanced, the temperature transmitter has higher precision and stronger stability.
Description
Technical Field
The utility model relates to a temperature detection technical field specifically is a high accuracy temperature transmitter.
Background
Temperature transmitter adopts thermocouple, thermal resistance as temperature element, sends to the changer module from temperature element output signal, converts the current signal into through the changer module and shows it through the display screen, but present temperature transmitter does not possess the function of preventing external interference signal at present, often leads to the temperature data of transmitting to the changer module to fluctuate to some extent because the interference of external signal or in the place that the signal is not strong to lead to not accurate enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy temperature transmitter to current temperature transmitter who proposes in solving above-mentioned background does not possess the function of preventing external interference signal, often because the interference of external signal or lead to transmitting the temperature data in the changer module in the place that the signal is not strong to some extent undulant, thereby lead to the problem of accuracy inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy temperature transmitter, is including installation pole, casing, temperature-sensing ware, voltage regulator device, filter equipment, power, signal intensifier and V/I converter, the top of installation pole is provided with the connecting block, the top of connecting block sets up the casing, the inner chamber top rear side wall of casing sets up the temperature-sensing ware, set up in the middle of the inner chamber left side wall of casing voltage regulator device, set up in the middle of the inner chamber right side wall of casing filter equipment, set up in the middle of the inner chamber bottom of casing the power, the top of casing is middle before the lateral wall sets up the signal intensifier, the inner chamber top right side wall of casing sets up the V/I converter, power electrical output connects in temperature-sensing ware, voltage regulator device, filter equipment, signal intensifier and V/I converter, the temperature-sensing ware passes through voltage regulator device, The filter device and the signal intensifier are electrically connected with the V/I converter.
Preferably, the front side wall of the shell is provided with a display screen, the outer side wall of the display screen is provided with a protective sleeve, the power supply is electrically connected to the display screen, and the V/I converter is electrically connected to the display screen.
Preferably, a limiting sheet is arranged in the middle of the circumferential outer wall of the mounting rod.
Preferably, all be provided with the thermovent in the middle of the left and right sides wall of casing, the inner wall joint of thermovent has the dust screen, the dust screen is the metal dust screen.
Compared with the prior art, the beneficial effects of the utility model are that: through be provided with voltage regulator in this temperature transmitter, can make the temperature-sensing ware more stable to the temperature data of V/I converter transmission, through install filter in the device, can carry out effective filtering to the frequency point of specific frequency or the frequency beyond this frequency point, make the temperature data that V/I converter received can not receive external signal interference, be provided with the signal enhancement ware in the device simultaneously, can strengthen the temperature data signal that the temperature-sensing ware transmitted to the V/I converter, make this temperature transmitter precision higher, stability is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a system block diagram of the present invention.
In the figure: the mounting rod 100, the limiting sheet 110, the connecting block 120, the casing 200, the display screen 210, the protective sleeve 220, the heat dissipation port 230, the temperature sensor 300, the voltage stabilizing device 400, the filtering device 500, the power supply 600, the signal enhancer 700 and the V/I converter 800.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high accuracy temperature transmitter for improve temperature transmitter's accuracy and stability, please refer to fig. 1, including installation pole 100, casing 200, temperature-sensing ware 300, voltage regulator 400, filter equipment 500, power 600, signal intensifier 700 and V/I converter 800.
Referring to fig. 1 again, the mounting rod 100 includes a limiting piece 110 and a connecting block 120, the limiting piece 110 is in a ring shape, the limiting piece 110 is sleeved in the middle of the outer circumferential wall of the mounting rod 110 and is fixed by welding, the connecting block 120 is welded at the top of the mounting rod 100, the mounting rod 100 is used for screwing the housing 200 through the connecting block 120, the limiting piece 110 is used for inserting the bottom of the mounting rod 100 in an external environment for limiting when detecting temperature, and the mounting rod 100, the limiting piece 110 and the connecting block 120 are all made of stainless steel;
referring to fig. 1 again, the housing 200 includes a display screen 210, a protective cover 220 and two heat dissipation ports 230, the housing 200 is screwed on the top of the connection block 120, the display screen 210 is screwed on the front side wall of the housing 200, the protective cover 220 is adhered to the front side wall of the housing 200 and sleeved on the outer side wall of the display screen 210, the number of the heat dissipation ports 230 is two, the two heat dissipation ports are respectively arranged between the left side wall and the right side wall of the housing 200, the housing 200 is used for forming a temperature transmitter with each component, the display screen 210 is used for displaying a current signal converted from temperature data through the V/I converter 800, the protective cover 220 is used for protecting the display screen 210, the heat dissipation ports 230 are used for dissipating heat inside the housing 200, the housing 200 is made of stainless steel, the display screen 210 is an LED display screen, and the protective cover 220 is;
referring to fig. 1 again, the temperature sensor 300 is screwed to the rear sidewall of the middle of the top of the inner cavity of the housing 200, the temperature sensor 300 is used for detecting the external temperature and transmitting the detected data to the V/I converter 800, and the temperature sensor 300 is a thermal resistance type temperature sensor;
referring to fig. 1 again, the voltage stabilizer 400 is screwed in the middle of the left side wall of the inner cavity of the housing 200, the voltage stabilizer 400 is used for stabilizing the temperature data transmitted from the temperature sensor 300 to the V/I converter 800, and the voltage stabilizer 400 is a voltage stabilizing diode with a model number of 1N 4727;
referring to fig. 1 again, the filter device 500 is screwed in the middle of the right side wall of the inner cavity of the housing 200, the filter device 500 is used for effectively filtering a frequency point of a specific frequency or frequencies other than the frequency point, so that the temperature data received by the V/I converter 800 is not interfered by an external signal, and the filter device 500 is a three-phase three-wire filter with a model number ME 460;
referring to fig. 1 again, the power supply 600 is installed in the middle of the bottom of the inner cavity of the housing 200, the power supply 600 is used for providing electric energy for the temperature sensor 300, the voltage stabilizer 400, the filter device 500, the signal enhancer 700, the V/I converter 800 and the display screen 210, and the power supply 600 is specifically a storage battery;
referring to fig. 1 again, the signal booster 700 is screwed on the top middle front sidewall of the housing 200, the signal booster 700 is used for boosting the temperature data signal transmitted from the temperature sensor 300 to the V/I converter 800, and the signal booster 700 specifically adopts a signal amplifier model XBK8134 AII;
referring to fig. 1 again, the V/I converter 800 is screwed to the right side wall of the top of the inner cavity of the housing 200, the V/I converter 800 is configured to receive the temperature data transmitted by the temperature sensor 300, convert the temperature data into a current signal, and display the temperature data in the form of the current signal through the display screen 210, and the V/I converter 800 specifically adopts a conversion chip with a model of MAX 472.
The working principle is as follows: technical personnel in the technical field insert the temperature transmitter in an external environment to be detected through an installation rod 100 and limit the temperature through a limiting sheet 110, open a temperature sensor 300, detect the external temperature through a dimension sensor, and transmit the detected temperature data to a V/I converter 800 through a voltage stabilizing device 400, a filter device 500 and a signal enhancer 700, the voltage stabilizing device 400 enables the temperature data transmitted from the temperature sensor 300 to the V/I converter 800 to be more stable, the filter device 500 can effectively filter a frequency point with a specific frequency or frequencies except the frequency point, so that the temperature data received by the V/I converter 800 cannot be interfered by external signals, the signal enhancer 700 enhances the temperature data signals transmitted from the temperature sensor 300 to the V/I converter 800, so that the temperature data received by the V/I converter 800 is more accurate, therefore, the accuracy and the stability of the temperature transmitter are higher;
referring to fig. again, in order to conveniently display the detected temperature data, a display screen 210 is disposed on the front side wall of the housing 200;
referring to fig. 1 again, in order to facilitate heat dissipation of the device, heat dissipation openings 230 are formed in the middle of the left and right sidewalls of the housing 200;
in order to prevent external dust from entering the device through the heat dissipation opening 230, a dust screen is fastened to the inner wall of the heat dissipation opening 230.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A high accuracy temperature transmitter which characterized in that: comprises a mounting rod (100), a shell (200), a temperature sensor (300), a voltage stabilizer (400), a filter device (500), a power supply (600), a signal enhancer (700) and a V/I converter (800), wherein the top of the mounting rod (100) is provided with a connecting block (120), the top of the connecting block (120) is provided with the shell (200), the rear side wall of the top of an inner cavity of the shell (200) is provided with the temperature sensor (300), the voltage stabilizer (400) is arranged in the middle of the left side wall of the inner cavity of the shell (200), the filter device (500) is arranged in the middle of the right side wall of the inner cavity of the shell (200), the power supply (600) is arranged in the middle of the bottom of the inner cavity of the shell (200), the signal enhancer (700) is arranged on the front side wall in the middle of the top of the shell (200), and the V/I converter (800) is arranged on, the power supply (600) is electrically connected with the temperature sensor (300), the voltage stabilizer (400), the filter device (500), the signal enhancer (700) and the V/I converter (800), and the temperature sensor (300) is electrically connected with the V/I converter (800) through the voltage stabilizer (400), the filter device (500) and the signal enhancer (700).
2. A high accuracy temperature transmitter as claimed in claim 1, wherein: the front side wall of the shell (200) is provided with a display screen (210), the outer side wall of the display screen (210) is provided with a protective sleeve (220), the power supply (600) is electrically output and connected to the display screen (210), and the V/I converter (800) is electrically output and connected to the display screen (210).
3. A high accuracy temperature transmitter as claimed in claim 1, wherein: and a limiting sheet (110) is arranged in the middle of the circumferential outer wall of the mounting rod (100).
4. A high accuracy temperature transmitter as claimed in claim 1, wherein: all be provided with thermovent (230) in the middle of the left and right sides wall of casing (200), the inner wall joint of thermovent (230) has the dust screen, the dust screen is the metal dust screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647944.6U CN209927313U (en) | 2019-05-08 | 2019-05-08 | High-precision temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647944.6U CN209927313U (en) | 2019-05-08 | 2019-05-08 | High-precision temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927313U true CN209927313U (en) | 2020-01-10 |
Family
ID=69090051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920647944.6U Active CN209927313U (en) | 2019-05-08 | 2019-05-08 | High-precision temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927313U (en) |
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2019
- 2019-05-08 CN CN201920647944.6U patent/CN209927313U/en active Active
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