CN216695170U - Novel liquid level transmitter - Google Patents

Abstract

The utility model provides a novel liquid level transmitter, comprising: a transmitter body, a battery and a solar charger are installed inside the transmitter casing; a refrigeration box is arranged on the top of the transmitter casing; Inside the refrigerating box; the floating plate is arranged on the outer side of the refrigerating box; the solar panel is arranged on the top of the refrigerating box; the electric heating plate is arranged in the transmitter casing; The transmitter is electrically connected with the battery, and the battery is electrically connected with the transmitter body, the refrigerator and the electric heating plate respectively. The solar panel, solar charger and battery provide power for the transmitter body, the refrigerator and the electric heating plate without external power supply; when the temperature is high, the temperature of the transmitter body is reduced by the refrigerator to improve the measurement accuracy; when the temperature is high When it is lower, the temperature of the transmitter body is increased by the electric heating plate to improve the measurement accuracy.

Description

A new type of liquid level transmitter

technical field

The utility model relates to the technical field of transmitters, in particular to a novel liquid level transmitter.

Background technique

The liquid level transmitter is an extension and development of the pressure transmitter technology. According to the principle that the pressures generated by liquids of different specific gravity at different heights are in a linear relationship, the volume, liquid height and weight of water, oil and paste are realized. accurate measurement and transmission.

At present, when the liquid level transmitter is in use, the temperature of the liquid to be measured is high or low, which will lead to inaccurate test result data. Therefore, it is necessary to provide a new type of liquid level transmitter.

Utility model content

The utility model provides a novel liquid level transmitter to meet the above requirements.

To achieve the above object, the utility model adopts the following technical solutions:

A new type of liquid level transmitter, comprising: a transmitter casing, a transmitter body, a battery and a solar charger are installed inside; a refrigeration box, arranged on the top of the transmitter casing; a refrigerator, installed Inside the refrigerating box; a floating plate, arranged on the outer side of the refrigerating box; a solar panel, arranged on the top of the refrigerating box; an electric heating plate, arranged in the transmitter housing; wherein, the refrigerator At least part of it is located in the transmitter housing; the solar panel is electrically connected to the battery through the solar charger, and the battery is respectively connected to the transmitter body, the refrigerator and the battery. The heating plate is electrically connected.

In an embodiment disclosed in the present utility model, a bottom plate is provided at the inner bottom of the transmitter casing, the bottom plate is provided with a plurality of through holes, and the electric heating plate is installed in the bottom plate and the transmitter casing between the bottoms.

In an embodiment disclosed in the present invention, the refrigerator is a semiconductor refrigerator.

In an embodiment disclosed in the present invention, the refrigerator includes a plurality of semiconductors, a plurality of metal conductors, a cold insulating end and a heat insulating end, the cold insulating end and the heat insulating end are arranged opposite to the heat insulating end, and a plurality of the The metal conductors are respectively attached to the opposite sides of the cold insulating end and the heat insulating end, a plurality of the semiconductors are connected in series through the plurality of the metal conductors in sequence, and the two ends of the series are respectively connected to the positive and negative electrodes of the battery, The cold insulated end is located at least partially within the transmitter housing.

In an embodiment disclosed in the present invention, the cold insulating end and the heat insulating end are both insulating ceramic sheets.

In an embodiment disclosed in the present invention, the semiconductors include N-type semiconductors and P-type semiconductors, and a plurality of the N-type semiconductors and a plurality of the P-type semiconductors are arranged in series and spaced apart through a plurality of the metal conductors.

In an embodiment disclosed in the present invention, at least part of the thermal insulation end is located outside the refrigeration box.

In an embodiment disclosed in the present invention, the floating plate is a ring-shaped structure, and the inner ring portion of the floating plate is connected to the outer side surface of the refrigeration box.

In an embodiment disclosed in the present invention, the solar panels are arranged obliquely.

In an embodiment disclosed in the present invention, the solar panel is in the shape of a dome as a whole.

To sum up, the utility model has the following beneficial effects: the utility model provides power for the transmitter body, the refrigerator and the electric heating plate through the solar panel, the solar charger and the battery, and no external power supply is required; when the temperature is high , the temperature of the main body of the transmitter is reduced by the refrigerator, and the measurement accuracy is improved; when the temperature is low, the temperature of the main body of the transmitter is increased by the electric heating plate, and the measurement accuracy is improved; the utility model can effectively reduce the temperature of the main body of the transmitter. The temperature is maintained in a suitable range, and the measurement accuracy is improved, and the main body of the transmitter is prevented from being damaged due to too high or too low temperature, and the main body of the transmitter is effectively protected.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic diagram of the external structure of a novel liquid level transmitter involved in some embodiments of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the novel liquid level transmitter involved in some embodiments of the present invention.

Reference number:

1. Transmitter housing; 11. Transmitter body; 12. Bottom plate; 121. Through hole;

2. Refrigeration box; 21, refrigerator; 211, semiconductor; 2111, N-type semiconductor; 2112, P-type semiconductor; 212, metal conductor; 213, cold insulation end; 214, thermal insulation end;

3. Floating board;

4. Solar panel; 41. Solar charger; 42. Battery;

5. Electric heating plate.

Detailed ways

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not restrictive.

In the description of the embodiments of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "length", "vertical", "horizontal", "top", "bottom", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as affecting the present utility model. Limitations of the novel embodiment.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality of" means two or more, unless otherwise expressly and specifically defined.

In the embodiments of the present utility model, unless otherwise explicitly specified and limited, terms such as "installation", "connected", "connected", "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a Removably connected, or integrated; it can be a mechanical connection, an electrical connection, or a communication; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the connection between the two elements. interaction relationship. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific situations.

In the embodiments of the present invention, unless otherwise expressly specified and limited, the first feature "on" or "under" the second feature may include the first and second features in direct contact, or may include the first and second features. The second feature is not in direct contact but is in contact through another feature between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of embodiments of the invention. In order to simplify the disclosure of the embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are only examples, and are not intended to limit the embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in different instances, such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various implementations and/or arrangements discussed .

The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2 , the present embodiment provides a new type of liquid level transmitter, including: a transmitter housing 1, in which a transmitter body 11, a battery 42 and a solar charger 41 are installed; The refrigerating box 2 is arranged on the top of the transmitter housing 1; the refrigerator 21 is arranged in the refrigerating box 2; the floating plate 3 is arranged on the outer side of the refrigerating box 2; the solar panel 4 is arranged on the the top of the refrigerating box 2; the electric heating plate 5 is arranged in the transmitter casing 1; wherein, the refrigerator 21 is at least partially located in the transmitter casing 1; the solar panel 4 passes through The solar charger 41 is electrically connected to the storage battery 42 , and the storage battery 42 is electrically connected to the transmitter body 11 , the refrigerator 21 and the electric heating plate 5 respectively.

It should be understood that the solar panel 4 , the solar charger 41 and the battery 42 provide power for the transmitter body 11 , the refrigerator 21 and the electric heating panel 5 , and no external power supply is required ; When the temperature is high, the temperature of the transmitter body 11 is reduced by the refrigerator 21 to improve the measurement accuracy; when the temperature is low, the electric heating plate 5 is used to improve the transmitter body 11. temperature to improve measurement accuracy.

It is clear that the solar panel 4 receives solar energy and charges the battery 42 through the solar charger 41 ; at least two of the floating panels 3 are symmetrically arranged to facilitate suspension.

In some embodiments, a bottom plate 12 is disposed at the inner bottom of the transmitter housing 1 , the bottom plate 12 is provided with a plurality of through holes 121 , and the electric heating plate 5 is installed on the bottom plate 12 and the transmitter. between the inner bottom of the device housing 1. In this solution, the transmitter main body 11 , the solar charger 41 and the battery 42 can be arranged on the base plate 12 , and the base plate 12 separates the electric heating plate 5 from other devices to avoid adversely affect other devices; after the electric heating plate 5 is heated, the hot air passes through the through hole 121 to heat the air in the transmitter housing 1 , thereby indirectly increasing the temperature of the transmitter body 11 .

In some embodiments, the refrigerator 21 is a semiconductor 211 refrigerator 21 . In this solution, the semiconductor 211 refrigerator 21 is suitable for occasions with low cooling consumption and small footprint.

In some embodiments, the refrigerator 21 includes a plurality of semiconductors 211 , a plurality of metal conductors 212 , a cold insulating end 213 and a heat insulating end 214 , and the cold insulating end 213 and the heat insulating end 214 are disposed opposite to each other. A plurality of the metal conductors 212 are respectively attached to the opposite sides of the cold insulating end 213 and the heat insulating end 214 , the plurality of the semiconductors 211 are connected in series through the plurality of the metal conductors 212 in sequence, and the two ends of the series are respectively connected to The positive and negative electrodes of the battery 42 are connected, and the cold insulating end 213 is at least partially located in the transmitter housing 1 . In this solution, the cold insulating end 213 can absorb the heat in the transmitter housing 1 .

In some embodiments, the cold insulating end 213 and the thermal insulating end 214 are both insulating ceramic sheets. In this scheme, the insulating effect of the insulating ceramic sheet is better.

In some embodiments, the semiconductors 211 include N-type semiconductors 2111 and P-type semiconductors 2112 , and a plurality of the N-type semiconductors 2111 and a plurality of the P-type semiconductors 2112 are connected in series and spaced apart by a plurality of the metal conductors 212 . set up. In this solution, the cold insulating end 213 and the heat insulating end 214 can generate a relatively high temperature difference, and can rapidly reduce the temperature of the transmitter body 11 .

In some embodiments, the thermally insulating end 214 is at least partially located outside the refrigerating box 2 . In this solution, the thermally insulating end 214 can quickly dissipate heat to the outside.

In some embodiments, the floating plate 3 is an annular structure, and the inner ring portion of the floating plate 3 is connected to the outer side surface of the refrigeration box 2 . In this solution, the floating plate 3 of the annular structure is convenient to suspend.

In some embodiments, the solar panels 4 are arranged obliquely. In this solution, the inclined solar panels 4 can avoid the accumulation of rainwater.

In some embodiments, the solar panel 4 is dome-shaped as a whole. In this solution, the dome-shaped solar panel 4 can receive more solar energy while avoiding the accumulation of rainwater.

The above embodiments describe multiple specific embodiments of the present invention, but those skilled in the art should understand that, without departing from the principles and essence of the present invention, various changes or modifications can be made to these embodiments, However, these changes and modifications all fall within the protection scope of the present invention.

Claims (10)

1. a novel liquid level transmitter, is characterized in that, comprises: Transmitter housing, in which the transmitter body, battery and solar charger are installed; a refrigeration box, arranged on the top of the transmitter housing; a refrigerator, installed in the refrigeration box; a floating plate, arranged on the outer side of the refrigerating box; a solar panel, arranged on the top of the refrigeration box; an electric heating plate, arranged in the transmitter housing; Wherein, the refrigerator is at least partially located in the transmitter housing; the solar panel is electrically connected to the battery through the solar charger, and the battery is respectively connected to the transmitter body, the The refrigerator is electrically connected to the electric heating plate. 2. The novel liquid level transmitter according to claim 1, wherein the inner bottom of the transmitter casing is provided with a bottom plate, the bottom plate is provided with a plurality of through holes, and the electric heating plate is installed on the bottom plate. between the bottom plate and the inner bottom of the transmitter housing. 3. The novel liquid level transmitter according to claim 1, wherein the refrigerator is a semiconductor refrigerator. 4. The novel liquid level transmitter according to claim 3, wherein the refrigerator comprises a plurality of semiconductors, a plurality of metal conductors, a cold insulating end and a hot insulating end, the cold insulating end and the The heat insulating ends are arranged opposite to each other, a plurality of the metal conductors are respectively attached to the opposite sides of the cold insulating end and the heat insulating end, and a plurality of the semiconductors are connected in series through the plurality of the metal conductors, and the two ends of the series are respectively connected. Connected to the positive and negative electrodes of the battery, the cold insulating end is at least partially located in the transmitter housing. 5 . The novel liquid level transmitter according to claim 4 , wherein the cold insulating end and the hot insulating end are both insulating ceramic sheets. 6 . 6. The novel liquid level transmitter according to claim 4, characterized in that, the semiconductors include N-type semiconductors and P-type semiconductors, and a plurality of the N-type semiconductors and a plurality of the P-type semiconductors pass through a plurality of The metal conductors are arranged in series and spaced apart. 7 . The novel liquid level transmitter according to claim 4 , wherein the thermally insulated end is at least partially located outside the refrigeration box. 8 . 8 . The novel liquid level transmitter according to claim 1 , wherein the floating plate is an annular structure, and the inner ring portion of the floating plate is connected to the outer side surface of the refrigeration box. 9 . 9 . The novel liquid level transmitter according to claim 1 , wherein the solar panel is arranged obliquely. 10 . 10 . The novel liquid level transmitter according to claim 1 , wherein the solar panel is in the shape of a dome as a whole. 11 .

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