CN217236998U - A bluetooth thermometer for vacuum coating is indoor - Google Patents
A bluetooth thermometer for vacuum coating is indoor Download PDFInfo
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- CN217236998U CN217236998U CN202220487045.6U CN202220487045U CN217236998U CN 217236998 U CN217236998 U CN 217236998U CN 202220487045 U CN202220487045 U CN 202220487045U CN 217236998 U CN217236998 U CN 217236998U
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- bluetooth
- thermometer
- vacuum coating
- bluetooth thermometer
- circuit
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Abstract
The utility model discloses a bluetooth thermometer for in vacuum coating chamber, including the vacuum coating device that has the observation window, locate the rotary device in the vacuum coating device and be used for placing the coating film umbrella of coating film product, and coating film umbrella top is equipped with bluetooth thermometer, bluetooth thermometer includes bluetooth circuit module and a plurality of temperature sensor, bluetooth circuit module is including the temperature sensor's that connects gradually temperature sensor thermosensitive signal amplifier, signal processor, analog-to-digital signal converter, bluetooth signal transmission circuit and power module, and bluetooth signal transmission circuit connects and is equipped with bluetooth antenna. The utility model discloses thermometer to the special application scene and design, be convenient for installation and temperature measurement, the reliability is high, can fix the temperature that can real-time detection three position in any position, satisfies actual measurement's needs, and the thermometer disposes small-size electric capacity battery, once charges and can work 48 hours, satisfies the long requirement of coating film.
Description
Technical Field
The utility model relates to a temperature measuring device technical field in the vacuum chamber specifically is a bluetooth thermometer for in vacuum coating chamber.
Background
The vacuum evaporation coating machine is very commonly applied to industries such as optical lens processing, optical fiber end face processing and the like, obtains a high-quality deposited film layer by utilizing an electron gun evaporation film material technology and an ion source auxiliary technology of the vacuum evaporation coating machine, simultaneously brings continuous rise of the temperature in a furnace, and the change of the temperature causes the difference between an optical reflectivity curve and a design value of the coated film layer. However, due to the special reason that the working chamber of the coating umbrella needs to rotate, the existing vacuum coating machine is only provided with temperature sensors on the rotating shaft at the top of the coating umbrella and the side wall of the coating furnace, and is not provided with temperature sensors on the surface of the coating umbrella, so that temperature data of the upper surface and the lower surface of the coating umbrella cannot be provided. Because the deposition of the high-temperature film material and the direct bombardment of the ion source, the surface temperature of the film coating umbrella is far higher than the positions of the rotating shaft and the furnace wall of the film coating machine, and the surface temperature of the film coating umbrella cannot be measured by an indirect method. In addition, the infrared camera cannot be installed in the vacuum coating machine, the infrared CCD cannot work due to the fact that the evaporated film material can pollute the lens, and a power socket is not arranged in the vacuum coating chamber. In this regard, a bluetooth thermometer for use in a vacuum coating chamber is proposed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a bluetooth thermometer used in a vacuum coating chamber, which can effectively solve the problem provided by the background technology.
The utility model provides a technical scheme that its technical problem adopted is:
a Bluetooth thermometer used in a vacuum coating chamber comprises a vacuum coating device with an observation window, a rotating device arranged in the vacuum coating device and a coating umbrella used for placing a coated product, wherein the Bluetooth thermometer is arranged above the coating umbrella;
the temperature sensor is internally provided with a low-voltage power supply, a thermistor and a reference resistor;
the power module comprises a capacitor battery, an LDO circuit connected with the capacitor battery and a battery charging interface.
Particularly, the thermistor and the reference resistor are respectively connected with a thermosensitive signal amplifier, the thermosensitive amplifier is connected with a Bluetooth circuit module, and the Bluetooth circuit module is connected with a Bluetooth signal transmitting circuit.
Particularly, the capacitor battery and the LDO circuit are coupled and connected to form the low-dropout voltage stabilizing circuit.
Particularly, the battery charging interface is a charging interface of a capacitor battery.
In particular, the low-voltage power supply is connected with the thermistor and the reference resistor in sequence.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a bluetooth thermometer for vacuum coating is indoor, is a small-size wireless bluetooth thermometer, and the installation of being convenient for does not account for usage space, and this thermometer carries three temperature sensor, and from the sustainable work of electrified source more than 48 hours, it can place on the coating umbrella any one position and the coating umbrella is rotatory together, and bluetooth module conveys the outdoor terminal of vacuum coating to temperature data synchronization, realizes coating umbrella surface temperature's real time monitoring. The utility model discloses thermometer to the special application scene and design, the thermometer is small-size and no cable and outside power supply demand, very conveniently fix on the coating film umbrella and be rotary motion together, length can be formulated as required to three temperature sensor's connecting wire, the wire rod is long and thin to have flexibility, can fix the temperature that can real-time detection three position in any position, satisfy actual measurement's needs, the small-size electric capacity battery of thermometer configuration, once charge can work 48 hours, long requirement when satisfying the coating film.
Drawings
FIG. 1 is a reference diagram of the usage status of a Bluetooth thermometer used in a vacuum coating chamber of the present invention;
FIG. 2 is a schematic view of the overall structure of a Bluetooth thermometer used in a vacuum deposition chamber of the present invention;
fig. 3 is a schematic diagram of a circuit structure of a bluetooth thermometer used in a vacuum coating chamber of the present invention.
Reference numbers in the figures:
1. coating an umbrella; 2. a rotating device; 3. a Bluetooth thermometer; 4. a vacuum coating device; 5. a temperature sensor; 6. a heat-sensitive signal amplifier; 7. a Bluetooth circuit module; 8. a signal processor; 9. an analog-to-digital signal converter; 10. a Bluetooth signal transmitting circuit; 11. a power supply module; 12. a Bluetooth antenna; 13. and a battery charging interface.
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.
As shown in fig. 1-3, the utility model provides a bluetooth thermometer 3 for vacuum coating chamber, including vacuum coating device 4 with observation window, rotary device 2 that locates in vacuum coating device 4 and be used for placing coating film umbrella 1 of coating film product, and coating film umbrella 1 top is equipped with bluetooth thermometer 3, bluetooth thermometer 3 includes bluetooth circuit module 7 and a plurality of temperature sensor 5, bluetooth circuit module 7 includes temperature sensor 5's thermosensitive signal amplifier 6, signal processor 8, analog-to-digital signal converter 9, bluetooth signal transmitting circuit 10 and power module 11 of connecting gradually, and bluetooth signal transmitting circuit 10 connects and is equipped with bluetooth antenna 12; the temperature sensor 5 is internally provided with a low-voltage power supply, a thermistor and a reference resistor;
the low-voltage power supply provides power for the thermistor and the reference resistor, the resistance value of the thermistor changes along with the change of the environmental temperature, and the potential between the thermistor and the reference resistor changes along with the change of the external temperature, so that a group of temperature signals are generated;
the power module 11 includes a capacitor battery, an LDO circuit connected to the capacitor battery, and a battery charging interface 13.
The thermometer of this embodiment disposes three thermocouple sensor, can gather the temperature information of a plurality of positions, sensor signal is through enlargeing, processing and analog-to-digital conversion, be fit for sending through the bluetooth, the thermometer has solid capacitance battery, it is high temperature resistant and be applicable to in the high vacuum chamber, the capacitance battery charges once and can 48 hours of continuous operation, consequently, 3 during operations of bluetooth thermometer do not need power socket and cable, conveniently follow coating film umbrella 1 and be rotary motion, the thermometer volume is very little, simple to operate and occupation place not, the thermometer has bluetooth low energy module, the signal can send through the glass observation window, realize the outdoor receipt of vacuum chamber, realize wireless transmission.
It is further described that the thermistor and the reference resistor are respectively connected with a thermosensitive signal amplifier, the thermosensitive amplifier is connected with a bluetooth circuit module, the bluetooth circuit module is connected with a bluetooth signal transmitting circuit, a temperature signal generated between the thermistor and the reference resistor is transmitted to the thermosensitive signal amplifier 6, amplified and calculated, and then transmitted to an analog-to-digital signal converter 9 to be converted into a digital signal, the digital signal can be directly transmitted to a bluetooth circuit module 7 for coding processing, the coded signal is transmitted through a bluetooth signal transmitting circuit 10, and a computer terminal can simultaneously decode and display temperature data after receiving the bluetooth signal.
Further, the capacitor battery and the LDO circuit are coupled and connected to form a low dropout voltage regulator circuit, which provides power for the thermal sensitive signal amplifier 6, the analog-to-digital signal converter 9 and the bluetooth signal transmitting circuit 10, the battery charging interface 13 is a charging interface of the capacitor battery, and the low voltage power supply is sequentially connected with the thermistor and the reference resistor.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A Bluetooth thermometer used in a vacuum coating chamber comprises a vacuum coating device with an observation window, a rotating device arranged in the vacuum coating device and a coating umbrella used for placing a coated product, wherein the Bluetooth thermometer is arranged above the coating umbrella;
the temperature sensor is internally provided with a low-voltage power supply, a thermistor and a reference resistor;
the power module comprises a capacitor battery, an LDO circuit connected with the capacitor battery and a battery charging interface.
2. The bluetooth thermometer according to claim 1, wherein the bluetooth thermometer comprises: the thermistor and the reference resistor are respectively connected with a thermosensitive signal amplifier, the thermosensitive amplifier is connected with a Bluetooth circuit module, and the Bluetooth circuit module is connected with a Bluetooth signal transmitting circuit.
3. The bluetooth thermometer according to claim 1, wherein the bluetooth thermometer comprises: and the capacitor battery is coupled and connected with the LDO circuit to form the low-dropout voltage stabilizing circuit.
4. The bluetooth thermometer for use in a vacuum coating chamber of claim 1, wherein: the battery charging interface is a charging interface of the capacitor battery.
5. The bluetooth thermometer according to claim 1, wherein the bluetooth thermometer comprises: the low-voltage power supply is sequentially connected with the thermistor and the reference resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487045.6U CN217236998U (en) | 2022-03-08 | 2022-03-08 | A bluetooth thermometer for vacuum coating is indoor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487045.6U CN217236998U (en) | 2022-03-08 | 2022-03-08 | A bluetooth thermometer for vacuum coating is indoor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217236998U true CN217236998U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220487045.6U Active CN217236998U (en) | 2022-03-08 | 2022-03-08 | A bluetooth thermometer for vacuum coating is indoor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217236998U (en) |
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2022
- 2022-03-08 CN CN202220487045.6U patent/CN217236998U/en active Active
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