CN214096250U - Electronic differential pressure liquid level meter with night vision function - Google Patents
Electronic differential pressure liquid level meter with night vision function Download PDFInfo
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- CN214096250U CN214096250U CN202022985798.3U CN202022985798U CN214096250U CN 214096250 U CN214096250 U CN 214096250U CN 202022985798 U CN202022985798 U CN 202022985798U CN 214096250 U CN214096250 U CN 214096250U
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Abstract
The utility model discloses an electronic differential pressure liquid level meter with night vision function, which comprises a meter seat, a control device and a driving device, wherein the control device and the driving device are arranged in the meter seat; and a dial disposed in the gauge stand; and a pointer connected with the output shaft of the driving device; and a liquid crystal display electrically connected to the control device; the pointer is configured as a light permeable pointer; the dial plate is provided with a dial plate, and the dial plate is arranged below the dial plate and is used for indicating the pointer. The utility model discloses can be convenient for be used for reading at night, improve the convenience that the user used.
Description
Technical Field
The utility model relates to a differential pressure level gauge technical field particularly, relates to an electron differential pressure level gauge with night vision function.
Background
A differential pressure gauge is a meter that calculates the level of an object in a vessel by measuring the pressure difference at two different points in the vessel.
The prior published Chinese utility model with the patent name of 'remote transmission electronic differential pressure liquid level meter' and the publication number of CN210242910U, the patent setting comprises a meter cover matched with a meter seat, a liquid crystal display arranged on the meter seat, a circuit board, a controller arranged on the circuit board, a stepping motor fixed on the circuit board, a pointer of a stepping motor driving instrument arranged on a rotating shaft of the stepping motor, and the meter seat is also provided with a pressure sensor and a differential pressure sensor. When the gas enters the high-pressure bin and the low-pressure bin of the sensing part through the high-pressure valve and the low-pressure valve respectively during working, the differential pressure sensor generates weak current signals under the action of differential pressure, and the electric signals are amplified and transmitted to the controller to drive the instrument pointer and the liquid crystal screen to display and output digital signals at the same time.
However, the differential pressure level gauge disclosed in the above patent is inconvenient for a user to read at night, and reduces the convenience of use for the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electron differential pressure level gauge with night vision function, it designs to the electron differential pressure level gauge with night vision function, can be convenient for be used for reading at night, improves the convenience that the user used.
The embodiment of the utility model discloses a realize through following technical scheme:
an electronic differential pressure liquid level meter with night vision function comprises a meter seat, a control device and a driving device, wherein the control device and the driving device are arranged in the meter seat; and a dial disposed in the gauge stand; and a pointer connected with the output shaft of the driving device; and a liquid crystal display electrically connected to the control device; the pointer is configured as a light permeable pointer; the dial plate is provided with a dial plate, and the dial plate is arranged below the dial plate and is used for indicating the pointer.
In an embodiment of the present invention, the pointer includes a pointer base and a needle body, the pointer base is configured as a light-tight member, and the pointer base is sleeved on the output shaft of the driving device; the needle body is configured as a light-permeable member, and one end of the needle body is fixed to the pointer base.
In an embodiment of the present invention, the dial plate is provided with a mounting hole; an output shaft of the driving device penetrates through the mounting hole and is inserted into the pointer seat; the light emitted by the light-emitting component irradiates the needle body in the pointer seat through the mounting hole.
In an embodiment of the present invention, the light emitting component includes a pointer illuminating lamp, and the pointer illuminating lamp is electrically connected to the control device.
In an embodiment of the present invention, the control device includes a circuit board and a controller disposed on the circuit board; the controller is used for controlling the on and off of the light-emitting component and controlling the liquid crystal display to display a differential pressure value.
In an embodiment of the present invention, the light emitting assembly further includes a dial illuminating lamp, and the dial illuminating lamp is electrically connected to the control device; the dial illuminating lamp is arranged on the surface of the dial.
In an embodiment of the present invention, the control device further includes a pressure sensor and a differential pressure sensor, and both the pressure sensor and the differential pressure sensor are electrically connected to the controller; the pressure sensor is configured on the low-pressure chamber of the gauge stand; the high-pressure end of the differential pressure sensor is arranged in the high-pressure cabin of the gauge stand, and the low-pressure end of the differential pressure sensor is arranged in the low-pressure cabin of the gauge stand.
In an embodiment of the present invention, the driving device includes a stepping motor, and an output shaft of the stepping motor is connected to the pointer.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the embodiment of the utility model provides a through setting up the pointer of light-emitting component and light-permeable, this light-emitting component includes the pointer light, and this pointer light can set up to emitting diode, and when night, the user lights the pointer light through the controller, and the light that this pointer light sent shines in this pointer, and this pointer wholly shines, and the part light that this pointer light sent can also be used for the illumination of dial plate in addition to in the user at night reading, the convenience that improves the user and use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural diagram of the middle pointer of the present invention.
Icon: the device comprises a meter base 1, a meter base 11, a mounting hole 2, a meter cover 3, a dial plate 4, a pointer 41, a pointer base 42, a needle body 5, a liquid crystal display 61, a pointer illuminating lamp 62, a dial plate illuminating lamp 7, a circuit board and a stepping motor 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted 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.
Referring to fig. 1 to 3, an electronic differential pressure liquid level meter with night vision function includes a meter base 1, a control device and a driving device disposed in the meter base 1, wherein the driving device is electrically connected to the control device; and a dial 3 disposed in the watch base 1; and a pointer 4 connected to an output shaft of the driving device; and a liquid crystal display 5 electrically connected to the control device; the pointer 4 is configured as a light permeable pointer 4; and a light emitting element disposed below the dial 3 and irradiating the pointer 4.
In order to facilitate reading at night by a user and improve the convenience of the user, the technical scheme is provided with an electronic differential pressure liquid level meter which comprises a meter cover 2, a meter seat 1, a control device, a driving device, a dial 3, a pointer 4 and a liquid crystal display 5, wherein the pointer 4 comprises a pointer seat 41 and a needle body 42, the pointer seat 41 is configured to be a light-tight member, the pointer seat 41 is sleeved on an output shaft of the driving device, and the pointer seat 41 is configured to be a light-tight member in a cover shell shape; the needle body 42 is configured as a light-permeable member, and one end of the needle body 42 is fixed to the pointer base 41. The dial 3 is provided with a mounting hole 11; the output shaft of the driving device penetrates through the mounting hole 11 and is inserted into the pointer seat 41, and the diameter of the mounting hole 11 is larger than that of the output shaft of the driving device, so that light emitted by the light-emitting component below the dial 3 is irradiated to the pointer seat 41 from the mounting hole 11; the light emitted from the light emitting component irradiates the needle body 42 in the pointer base 41 through the mounting hole 11. The light emitting assembly includes a pointer illuminating lamp 61, the pointer illuminating lamp 61 is electrically connected to the control device, the pointer illuminating lamp 61 is configured as a light emitting diode, and the pointer illuminating lamp 61 may be provided in plurality. In the technical scheme, the pointer base 41 is a light-tight member in a cover shell shape, and when the pointer illuminating lamp 61 irradiates the pointer base 41, the light-tight member in the cover shell shape can play a role of collecting light, so that the light irradiating the pointer base 41 is collected in the pointer base 41. One end of the needle body 42 is fixed in the pointer seat 41, the light gathered in the pointer seat 41 irradiates the needle body 42 in the pointer seat 41, and the whole needle body 42 is a light-permeable component, so when one end of the needle body 42 positioned in the pointer seat 41 is irradiated by the light, part of the light is transmitted in the needle body 42, the whole needle body 42 is light-permeable and bright, the pointer 4 can be seen by a user at night, and the night reading of the user is facilitated. Compared with the prior art, this technical scheme is through setting up light emitting component and light-permeable pointer 4, this light emitting component includes pointer light 61, this pointer light 61 can set up to emitting diode, when night, the user lights pointer light 61 through the controller, the light that this pointer light 61 sent shines in this pointer 4, this pointer 4 wholly shines, and the part light that this pointer light 61 sent can also be used for the illumination of dial plate 3, so that the user is at night's reading, the convenience that the improvement user used.
It should be noted that, because the pointer base 41 does not completely seal the mounting hole 11 of the dial 3, when the pointer illuminating lamp 61 is turned on, part of light enters the space between the dial 3 and the watch cover 2 from the gap between the pointer base 41 and the dial 3, and further illuminates the dial 3, although the illumination brightness for illuminating the dial 3 is not very high, the light emitted by the pointer 4 is matched, and it is sufficient for the user to clearly see the scale and the numerical value indicated by the pointer 4.
In some embodiments, the drive means comprises a stepper motor 8, the output shaft of the stepper motor 8 being connected to the pointer 4. The control device comprises a circuit board 7 and a controller configured on the circuit board 7; the controller is used for controlling the on and off of the light-emitting components and controlling the liquid crystal display 5 to display a differential pressure value. The circuit board 7 is arranged below the dial 3, and the controller is provided with a power supply control module, an MCU control module with an A/D converter, a differential pressure sensor module, a photoelectric isolation module, a 4-20 mA signal output module and a 485 communication module, wherein the MCU control module is connected with the power supply control module, the differential pressure sensor module is respectively connected with the MCU control module through an amplification circuit module, the photoelectric isolation module is connected with the amplification circuit module, and the 485 communication module is respectively connected with the output end of the MCU control module. And LCD 5 also installs on this circuit board 7, and step motor 8 is fixed in the circuit board 7 back, and step motor 8's output shaft passes circuit board 7 and extends to circuit board 7 front, is convenient for cup joint pointer 4 in this step motor 8's output shaft. The control device also comprises a pressure sensor and a differential pressure sensor, and the pressure sensor and the differential pressure sensor are electrically connected with the controller; the pressure sensor is arranged in a low-pressure chamber of the gauge stand 1; the high pressure end of the differential pressure sensor is arranged in the high pressure cabin of the gauge stand 1, and the low pressure end of the differential pressure sensor is arranged in the low pressure cabin of the gauge stand 1.
In some embodiments, the lighting assembly further includes a dial illumination lamp 62, the dial illumination lamp 62 being electrically connected to the control device; the dial illumination lamp 62 is disposed on the surface of the dial 3. In order to enhance the illumination brightness of the dial 3 illumination, the dial illumination lamps 62 are arranged on the dial 3, the dial illumination lamps 62 are also configured as light emitting diodes, and the dial illumination lamps 62 and the pointer illumination lamps 61 are controlled by a controller to realize synchronous on-off.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An electronic differential pressure liquid level meter with night vision function comprises
The meter comprises a meter seat, a control device and a driving device, wherein the control device and the driving device are arranged in the meter seat; and
a dial plate disposed in the gauge stand; and
the pointer is connected with the output shaft of the driving device; and
the liquid crystal display is electrically connected with the control device;
it is characterized in that the preparation method is characterized in that,
the pointer is configured as a light permeable pointer;
the dial plate is provided with a dial plate, and the dial plate is arranged below the dial plate and is used for indicating the pointer.
2. The differential pressure gauge with night vision capability of claim 1,
the pointer comprises a pointer seat and a pointer body, the pointer seat is configured to be a light-tight component, and the pointer seat is sleeved on an output shaft of the driving device;
the needle body is configured as a light-permeable member, and one end of the needle body is fixed to the pointer base.
3. The differential pressure gauge with night vision capability of claim 2,
the dial plate is provided with a mounting hole;
an output shaft of the driving device penetrates through the mounting hole and is inserted into the pointer seat;
the light emitted by the light-emitting component irradiates the needle body in the pointer seat through the mounting hole.
4. The differential pressure liquid level gauge with night vision function as claimed in any one of claims 1 to 3,
the light-emitting component comprises a pointer illuminating lamp which is electrically connected with the control device.
5. The differential pressure gauge with night vision capability of claim 1,
the control device comprises a circuit board and a controller configured on the circuit board;
the controller is used for controlling the on and off of the light-emitting component and controlling the liquid crystal display to display a differential pressure value.
6. The differential pressure gauge with night vision capability of claim 1,
the light-emitting component also comprises a dial illuminating lamp which is electrically connected with the control device; the dial illuminating lamp is arranged on the surface of the dial.
7. The differential pressure gauge with night vision capability of claim 5,
the control device also comprises a pressure sensor and a differential pressure sensor, and the pressure sensor and the differential pressure sensor are electrically connected with the controller;
the pressure sensor is configured on the low-pressure chamber of the gauge stand;
the high-pressure end of the differential pressure sensor is arranged in the high-pressure cabin of the gauge stand, and the low-pressure end of the differential pressure sensor is arranged in the low-pressure cabin of the gauge stand.
8. The differential pressure gauge with night vision capability of claim 1,
the driving device comprises a stepping motor, and an output shaft of the stepping motor is connected with the pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985798.3U CN214096250U (en) | 2020-12-11 | 2020-12-11 | Electronic differential pressure liquid level meter with night vision function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985798.3U CN214096250U (en) | 2020-12-11 | 2020-12-11 | Electronic differential pressure liquid level meter with night vision function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214096250U true CN214096250U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022985798.3U Active CN214096250U (en) | 2020-12-11 | 2020-12-11 | Electronic differential pressure liquid level meter with night vision function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214096250U (en) |
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2020
- 2020-12-11 CN CN202022985798.3U patent/CN214096250U/en active Active
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