CN214748442U

CN214748442U - Ultraviolet energy meter

Info

Publication number: CN214748442U
Application number: CN202121164031.2U
Authority: CN
Inventors: 黄智达
Original assignee: Shenzhen Zhijia Instrument Equipment Co ltd
Current assignee: Shenzhen Zhijia Instrument Equipment Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-11-16
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of ultraviolet light energy measurement, in particular to an ultraviolet energy meter, which comprises a shell and an internal circuit board, wherein the shell comprises a first shell and a second shell which are mutually buckled, the first shell and the second shell are detachably connected through a screw, a connecting hole for the screw thread connection is arranged in the first shell, and a through hole corresponding to the connecting hole is arranged on the second shell; when the shell is installed, the through hole corresponds to the connecting hole, the first shell and the second shell are buckled, and finally, the screw is inserted into the through hole and screwed into the connecting hole, so that the first shell and the second shell are fixedly connected. Through the mode of screw connection, make things convenient for the installation and the dismantlement of casing. Simultaneously, bolted connection's fastening nature is good, and the first casing of being convenient for and second casing realize zonulae occludens, guarantee the good leakproofness of casing, even if install and dismantle many times, also can keep good leakproofness.

Description

Ultraviolet energy meter

Technical Field

The utility model relates to an ultraviolet ray energy measurement technical field, concretely relates to ultraviolet energy meter.

Background

The principle of ultraviolet curing is that liquid ultraviolet materials are irradiated by ultraviolet light to cause the liquid ultraviolet materials to generate polymerization reaction so as to be cured. In the process of curing the ultraviolet light material, vegetables such as the light intensity, the temperature, the irradiation time and the like of an ultraviolet light source directly influence the curing quality, so that the selection of proper parameters is a necessary condition for ultraviolet curing.

In the prior art, an ultraviolet energy meter is provided for measuring the light intensity and temperature in the ultraviolet curing process, and the ultraviolet curing process can be controlled to achieve ideal quality through the measurement of the ultraviolet energy meter.

However, in the prior art, the ultraviolet energy meter generally has the waterproof and dustproof functions through the arranged sealing shell, but the shell is inconvenient to disassemble. When the ultraviolet energy meter needs to be overhauled, a large amount of time is wasted by disassembling the shell, the shell is easy to damage, and the sealing performance of the shell is weakened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultraviolet energy meter to solve the inconvenient technical problem who dismantles of ultraviolet energy meter shell among the prior art.

In order to achieve the above object, the present invention provides an ultraviolet energy meter, which includes a housing and an internal circuit board, wherein the housing includes a first housing and a second housing that are fastened to each other, the first housing and the second housing are detachably connected by a screw, a connection hole for the screw to be screwed is formed in the first housing, and a through hole corresponding to the connection hole is formed in the second housing; the temperature sensor is characterized in that a digital display window is arranged on the first shell, a light sensing window and a temperature sensing window are arranged on the second shell, a digital display screen, a photoelectric sensor and a temperature sensor are arranged on the circuit board, the digital display screen corresponds to the digital display window, the photoelectric sensor corresponds to the light sensing window, and the temperature sensor corresponds to the temperature sensing window.

Further, the housing is provided in a flat square shape, and the screw is connected to at least a diagonal position of the first case and the second case.

Further, the temperature sensor adopts an NTC type sensor.

Furthermore, a photoelectric signal amplifying circuit, a data acquisition circuit and a microprocessor circuit are arranged on the circuit board.

Furthermore, a wireless receiving and transmitting circuit is further arranged on the circuit board, and a wireless receiving and transmitting antenna is installed below the digital display screen.

Further, at least one or more of an optical filter and a dimmer is arranged between the light sensing window and the photoelectric sensor.

Furthermore, a battery is arranged in the shell, a charging indicator light through hole is formed in the shell, and a charging indicator light corresponding to the charging indicator light through hole is arranged on the circuit board.

Further, the lead of the temperature sensor is zigzag-shaped and is connected to the circuit board.

Furthermore, the shell is provided with a key switch, a charging interface and a measurement indicator light through hole, and the circuit board is provided with a measurement indicator light corresponding to the measurement indicator light through hole.

Furthermore, a groove is formed in the shell, and the key switch is arranged at the groove.

The beneficial effects of the utility model reside in that:

1. when the shell is installed, the through hole corresponds to the connecting hole, the first shell and the second shell are buckled, and finally, the screw is inserted into the through hole and screwed into the connecting hole, so that the first shell and the second shell are fixedly connected. Through the mode of screw connection, make things convenient for the installation and the dismantlement of casing. Simultaneously, bolted connection's fastening nature is good, and the first casing of being convenient for and second casing realize zonulae occludens, guarantee the good leakproofness of casing, even if install and dismantle many times, also can keep good leakproofness.

2. The NTC type sensor has high sensitivity, high response speed, high resistance value and B value precision and good consistency and interchangeability.

3. The most heavy ultraviolet energy meter is the digital display screen and the battery. One side through the circuit board is equipped with digital display screen, and the another side is equipped with the battery, carries out reasonable layout to the inside spare part position of ultraviolet energy meter for central point is pressed close to its focus, and getting of the energy meter of being convenient for is put and is transported.

4. At least one or more of an optical filter and a dimmer is arranged between the light sensing window and the photoelectric sensor. By arranging the optical filter or the dimmer, ultraviolet light can be weakened, the influence of ultraviolet radiation on the service life of the photoelectric sensor is further reduced, and meanwhile, the measurement range of the ultraviolet energy meter is arranged in the linear sensing range of the photoelectric sensor, so that the detection precision is higher.

5. The lead of the temperature sensor is zigzag-shaped and connected to the circuit board. The structure arrangement increases the length of the lead, increases the thermal resistance between the temperature sensor and the circuit board, and reduces the influence of the temperature of the circuit board on the temperature sensor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an ultraviolet energy meter according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure of an ultraviolet energy meter according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of another view angle of an ultraviolet energy meter according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an exploded view at another viewing angle of an ultraviolet energy meter according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an installation position of a temperature sensor used in an ultraviolet energy meter according to an embodiment of the present invention.

Description of reference numerals:

1. a housing; 11. a first housing; 111. connecting holes; 112. a digital display window; 12. a second housing; 121. a through hole; 122. a light sensing window; 123. a temperature sensing window; 124. mounting grooves; 13. a groove; 2. a circuit board; 21. a digital display screen; 22. a photosensor; 23. a temperature sensor; 231. a lead wire; 3. a battery; 4. the charging indicator light is provided with a light through hole; 5. a key switch; 6. a charging interface; 7. the measurement indicator light passes through the unthreaded hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, an ultraviolet energy meter provided as an embodiment of the present invention includes a housing 1 and an internal circuit board 2, the housing 1 includes a first housing 11 and a second housing 12 that are fastened to each other, the first housing 11 and the second housing 12 are detachably connected by a screw, a connection hole 111 for the screw to be connected by a screw thread is provided in the first housing 11, and a through hole 121 corresponding to the connection hole 111 is provided in the second housing 12; the first shell 11 is provided with a digital display window 112, the second shell 12 is provided with a light sensing window 122 and a temperature sensing window 123, the circuit board 2 is provided with a digital display screen 21, a photoelectric sensor 22 and a temperature sensor 23, the digital display screen 21 corresponds to the digital display window 112, the photoelectric sensor 22 corresponds to the light sensing window 122, and the temperature sensor 23 corresponds to the temperature sensing window 123. When the housing is installed, the through hole 121 corresponds to the connection hole 111, the first housing 11 and the second housing 12 are fastened, and finally, the screw is inserted into the through hole 121 and screwed into the connection hole 111, so that the first housing 11 and the second housing 12 are fixedly connected. Through the mode of screw connection, make things convenient for the installation and the dismantlement of casing. Meanwhile, the bolt connection has good tightness, so that the first shell 11 and the second shell 12 can be tightly connected conveniently, the good tightness of the shells is ensured, and the good tightness can be kept even if the shells are assembled and disassembled for many times.

Specifically, the housing 1 is made of a metal material, the housing 1 is formed in a flat square shape, and at least a diagonal position of the first housing 11 and the second housing 12 is connected with a screw. The through-hole 121 is a stepped hole. The head of the screw is convenient to store and hide. On one hand, one surface of the second shell 12 can be made to be a plane, so that detection and measurement are convenient, and on the other hand, the attractiveness of the ultraviolet energy meter is improved. The first housing 11 is provided with a flat surface on which the digital display window 112 is provided. The second housing 12 is directly a flat panel. The circuit board 2 is provided with a photoelectric signal amplifying circuit, a data acquisition circuit and a microprocessor circuit. The temperature sensor 23 is an NTC type sensor, the output of which is directly sent to a data acquisition circuit for sampling without an amplifying circuit, and the sampled data is processed and converted into the measured temperature by a microprocessor circuit. The NTC type sensor has high sensitivity, high response speed, high resistance value and B value precision and good consistency and interchangeability. The circuit board 2 is also provided with a wireless transceiving circuit, and a wireless transceiving antenna is arranged below the digital display screen 21. The shell 1 is made of metal materials and plays a role in electromagnetic shielding. If the antenna is installed at other positions inside, the signal attenuation of the antenna is serious, and the usable transceiving effect cannot be achieved. The digital display screen 21 is mainly made of non-metallic substances such as glass, plastics and the like, and the antenna is arranged below the display screen, so that signals can be radiated to the outside through the display screen to be transmitted. At least one or more of a light filter and a dimmer are disposed between the light sensing window 122 and the photosensor 22 in no particular order. By arranging the optical filter or the dimmer, ultraviolet light can be weakened, so that the influence of ultraviolet radiation on the service life of the photoelectric sensor 22 is reduced, and meanwhile, the measurement range of the ultraviolet energy meter is arranged in the linear sensing range of the photoelectric sensor 22, so that the detection precision is higher.

Referring to fig. 5, further, the lead wire 231 of the temperature sensor 23 is in a meandering shape and is connected to the circuit board 2. The above-described structural arrangement increases the length of the lead wire 231, and also increases the thermal resistance between the temperature sensor 23 and the circuit board 2, and reduces the influence of the temperature of the circuit board 2 itself on the temperature sensor 23.

Further, a battery 3 is arranged in the shell 1, a charging indicator light through hole 4 is formed in the shell 1, and a charging indicator light corresponding to the charging indicator light through hole 4 is arranged on the circuit board 2.

Specifically, one side of the second housing 12 close to the first housing 11 is provided with a mounting groove 124 for the battery 3 to be embedded in, and the battery 3 can be limited and fixed by the mounting groove 124. The battery 3 is provided in a flat plate shape, and the battery 3 employs a rechargeable polymer lithium battery 3 or a lithium iron rechargeable battery 3. One side of the circuit board 2 is provided with a digital display screen 21, and the other side is provided with a battery 3. The heaviest of the ultraviolet energy meters is the digital display screen 21 and the battery 3. One side through circuit board 2 is equipped with digital display screen 21, and the another side is equipped with battery 3, carries out reasonable layout to the spare part position of ultraviolet energy meter inside for central point is pressed close to its focus, and the getting of the energy meter of being convenient for is put and is transported.

Further, be equipped with key switch 5 on the shell 1, charge interface 6 and measure the pilot lamp and lead to unthreaded hole 7, be equipped with on the circuit board 2 with measure the pilot lamp that the pilot lamp leads to unthreaded hole 7 position phase correspondence. The groove 13 which is convenient for fingers to extend into is arranged on the shell 1, and the key switch 5 is arranged at the groove 13, so that the finger can be more comfortable when being pressed.

The use of the ultraviolet energy meter in this example is as follows:

turning on and turning off the machine: pressing the key switch 5 for 3 seconds for a long time, the energy meter will sound until the screen is lighted, and the digital display screen 21 will briefly display the model, the software version, the serial number and the check date. And then entering a main page and displaying the data measured before the instrument is shut down last time. In the starting state, the energy meter is shut down by pressing the key switch 5 for 3 seconds for a long time, and in the non-measuring state, the energy meter is automatically shut down after 2 minutes.

Measurement: the storage of the energy meter is cleared by pressing the key switch 5 for a short time, then the measurement mode is entered, the display data returns to zero, and the measurement indicator lamp flickers, so that the measurement can be carried out. And (3) placing the energy meter into a transfer belt, facing the measuring sensor to the UV light source, pressing a key switch 5 to stop measuring when the instrument exits from the UV furnace, displaying PK on the lower left corner of the display screen, and checking the latest measuring data. The digital display screen 21 is not exposed to high UV radiation intensity during the measurement, otherwise the screen is directly damaged. Measurement instability may be caused when the energy meter is not sufficiently charged, and therefore, it is ensured that the charge is sufficient. The left charging indicator lamp is red in the charging process, and green is displayed after the charging indicator lamp is full of red.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The ultraviolet energy meter comprises a shell (1) and an internal circuit board (2), and is characterized in that the shell (1) comprises a first shell (11) and a second shell (12) which are buckled with each other, the first shell (11) and the second shell (12) are detachably connected through screws, a connecting hole (111) for the screw thread connection is formed in the first shell (11), and a through hole (121) corresponding to the connecting hole (111) is formed in the second shell (12); be equipped with digital display window (112) on first casing (11), be equipped with light sensing window (122) and temperature sensing window (123) on second casing (12), be equipped with digital display screen (21), photoelectric sensor (22) and temperature sensor (23) on circuit board (2), digital display screen (21) correspond digital display window (112), photoelectric sensor (22) correspond light sensing window (122), temperature sensor (23) correspond temperature sensing window (123).

2. The uv energy meter according to claim 1, characterized in that the case (1) is provided in a flat square shape, and the screw is attached at least at a diagonal position of the first case (11) and the second case (12).

3. The uv energy meter according to claim 1, characterized in that the temperature sensor (23) is of the NTC type.

4. The ultraviolet energy meter according to claim 1, characterized in that the circuit board (2) is provided with an optoelectronic signal amplifying circuit, a data collecting circuit and a microprocessor circuit.

5. The ultraviolet energy meter according to claim 1, characterized in that the circuit board (2) is further provided with a wireless transceiver circuit, and a wireless transceiver antenna is arranged below the digital display screen (21).

6. The uv energy meter according to claim 1, wherein at least one or more of a filter and a dimmer are disposed between the light sensing window (122) and the photosensor (22).

7. The ultraviolet energy meter according to claim 1, characterized in that a battery (3) is arranged in the housing (1), a charging indicator light through hole (4) is arranged on the housing (1), and a charging indicator light corresponding to the position of the charging indicator light through hole (4) is arranged on the circuit board (2).

8. The uv energy meter according to claim 1, wherein the lead (231) of the temperature sensor (23) is meander-shaped and connected to the circuit board (2).

9. The ultraviolet energy meter according to claim 1, characterized in that the casing (1) is provided with a key switch (5), a charging interface (6) and a measurement indicator light through hole (7), and the circuit board (2) is provided with a measurement indicator light corresponding to the measurement indicator light through hole (7).

10. The uv energy meter according to claim 9, characterized in that a recess (13) is provided on the housing (1), the push switch (5) being arranged at the recess (13).