CN218955951U

CN218955951U - High-temperature-resistant photovoltaic sensor

Info

Publication number: CN218955951U
Application number: CN202223267814.0U
Authority: CN
Inventors: 高小飞
Original assignee: Suzhou Dean Electronics Co ltd
Current assignee: Suzhou Dean Electronics Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-02
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a high-temperature-resistant photovoltaic sensor, relates to the technical field of sensors, and aims to solve the problems that in the prior art, when temperature monitoring is carried out, the temperature of a solar cell panel is easily transmitted to the sensor and is in a high-temperature environment for a long time, and circuits and elements in the sensor are easily damaged to influence the service life of the sensor. One side fixed mounting of casing has the heat dissipation case, the inside of casing is provided with the sensor main part, the inside of casing is provided with the heat conduction ring shell along the outside of sensor main part, and the heat conduction ring shell passes through bolt fixed connection with the casing, one side of heat conduction ring shell is provided with the refrigeration board, and the refrigeration shop front of refrigeration board is laminated with leading Wen Huanke, the inside that the refrigeration board walked into the heat dissipation case, the top and the below of heat dissipation case symmetry are provided with the vent respectively, the inside of vent is provided with the filter.

Description

High-temperature-resistant photovoltaic sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a high-temperature-resistant photovoltaic sensor.

Background

The photovoltaic power generation system is composed of a solar cell matrix, a storage battery pack, a charge-discharge controller, an inverter, an alternating current power distribution cabinet, a solar tracking control system and other devices, and the energy of the photovoltaic power generation system is derived from inexhaustible solar energy, so that the photovoltaic power generation system is a clean, safe and renewable energy source, and a sensor is usually arranged on the back of a solar panel in the photovoltaic power generation system for temperature monitoring;

for example, patent publication CN206056795U (a temperature sensor): the sensor comprises a sleeve, wherein the front end of the sleeve is connected with an adsorption disc, the rear end of the sleeve is connected with an end cover, and the sensor body is positioned in the sleeve; the outer wall of the sensor body is convexly provided with a limiting bulge, the sensor body is sleeved with a spring, one end of the spring is abutted with the limiting bulge, and the other end of the spring is abutted with the end cover; the inner wall of the sleeve is raised to form a limiting step, the limiting protrusion is abutted with the limiting step under the action of the spring, and the front-end probe of the sensor body penetrates through the limiting step and extends out to the bottom of the adsorption disc; the middle part of the end cover is provided with a round boss, and the spring is sleeved on the boss;

the temperature sensor is convenient to install in the prior art, but cannot be cooled, the temperature of the photovoltaic solar panel is very high in the power generation working process, when the temperature is monitored, the temperature of the solar panel is easily transmitted to the sensor and is in a high-temperature environment for a long time, the circuit and the element inside the sensor are aged and are easy to damage, the service life of the sensor is influenced, and the temperature monitoring work of the photovoltaic solar panel is not facilitated; therefore, development of a high-temperature-resistant photovoltaic sensor is urgently needed in the market to help people solve the existing problems.

Disclosure of Invention

The utility model aims to provide a high-temperature-resistant photovoltaic sensor so as to solve the problems that the temperature of a solar cell panel is easily transmitted to the sensor and is in a high-temperature environment for a long time when the temperature is monitored in the background technology, and the circuits and elements in the sensor are easily damaged and the service life of the sensor is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant photovoltaic sensor, includes the casing, one side fixed mounting of casing has the heat dissipation case, the inside of casing is provided with the sensor main part, the inside of casing is provided with the heat conduction ring shell along the outside of sensor main part, and the heat conduction ring shell passes through bolt fixed connection with the casing, one side of heat conduction ring shell is provided with the refrigeration board, and the refrigeration shop front of refrigeration board is laminated with leading Wen Huanke, the inside that the refrigeration board was worn into the heat dissipation case.

Preferably, the upper and lower parts of the heat dissipation box are symmetrically provided with ventilation openings respectively, the inside of the ventilation openings is provided with a filter plate, and the filter plate is fixedly connected with the heat dissipation box through bolts.

Preferably, a fixing frame is fixedly arranged in the heat dissipation box along the upper portion of the refrigerating plate, and a fan is fixedly arranged in the fixing frame.

Preferably, a guide plate is fixedly arranged in the heat dissipation box along one side of the refrigerating plate, and the guide plate is obliquely arranged.

Preferably, a heat insulation layer is arranged in the shell.

Preferably, the mounting plate is fixedly arranged below the shell, the monitoring head is fixedly arranged below the mounting plate, the thermistor is arranged inside the monitoring head, the connecting lead is arranged above the thermistor, and the sensor main body is electrically connected with the thermistor through the connecting lead.

Preferably, the both sides of mounting panel below are provided with the fixed plate respectively symmetrically, be provided with the fixed column between mounting panel and the fixed plate, and fixed column and fixed plate welded connection, the top of mounting panel is provided with fixing bolt, and mounting panel and fixed column pass through fixing bolt fixed connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the photovoltaic solar cell panel temperature monitoring device, the refrigeration plate and the temperature guide ring shell are arranged, wherein the refrigeration plate is arranged on one side of the shell, the refrigeration plate is arranged as the semiconductor refrigeration plate, when the sensor monitors the temperature of the photovoltaic solar cell panel, cold temperature can be generated by electrifying the refrigeration plate, then the cold temperature can be transmitted to the inside of the shell through temperature conduction of the temperature guide ring shell, circuits and elements in the sensor are cooled, the sensor works in a low-temperature environment, the ageing damage speed is reduced, the service life of the sensor is prolonged, and the photovoltaic solar cell panel temperature monitoring device is beneficial to the temperature monitoring work.

2. According to the utility model, through the arrangement of the heat radiation box, the fan is arranged in the heat radiation box, external air can be extracted to flow in through starting the fan and flow out from the bottom of the heat radiation box, so that the air circulation speed in the heat radiation box is increased, and when the refrigeration plate works, the heat radiation can be carried out on the heating surface of the refrigeration plate through increasing the air flow speed in the heat radiation box, and the refrigeration stability of the refrigeration plate is facilitated.

3. According to the utility model, through the arrangement of the mounting plate, the fixing column and the fixing plate, when the sensor is mounted, the fixing plate can be firstly mounted on the back surface of the photovoltaic solar cell panel, and then the mounting plate is mounted on the fixing column in a bolt mounting mode, so that the sensor is fixedly mounted, the monitoring position of the sensor can be kept unchanged after the sensor is detached and replaced, and the stability of temperature monitoring of the photovoltaic solar cell panel is facilitated.

Drawings

FIG. 1 is a front view of a high temperature resistant photovoltaic sensor of the present utility model;

FIG. 2 is a cross-sectional view of the power, transmission and driven cases of the present utility model;

fig. 3 is a side cross-sectional view of a cleaning bar of the present utility model.

In the figure: 1. a housing; 2. a heat radiation box; 3. a mounting plate; 4. a monitoring head; 5. a thermistor; 6. fixing the column; 7. a fixing plate; 8. a fixing bolt; 9. a sensor body; 10. a guide Wen Huanke; 11. connecting leads; 12. a refrigeration plate; 13. a thermal insulation layer; 14. a vent; 15. a filter plate; 16. a fixed frame; 17. a blower; 18. and a deflector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a high temperature resistant photovoltaic sensor, including casing 1, one side fixed mounting of casing 1 has heat dissipation case 2, the inside of casing 1 is provided with sensor body 9, sensor body 9 is the inside transmission structure of sensor, the inside of casing 1 is provided with the heat conduction ring shell 10 along the outside of sensor body 9, the heat conduction ring shell 10 adopts die-casting aluminum alloy to make, the heat conduction ability has been improved, and heat conduction ring shell 10 passes through bolt fixed connection with casing 1, one side of heat conduction ring shell 10 is provided with refrigeration board 12, and the refrigeration door face and the laminating of heat conduction ring shell 10 of refrigeration board 12, make can stabilize to the interior refrigeration of casing 1, the inside that refrigeration board 12 penetrated heat dissipation case 2.

During the use, can produce cold temperature through the circular telegram to refrigeration board 12, the temperature conduction of rethread heat conduction ring shell 10 can be with cold temperature transmission to inside casing 1, the inside circuit of sensor and component cool down, make it work in low temperature environment, the temperature of having solved when carrying out temperature monitoring, solar cell panel is easily transmitted to the sensor on, be in high temperature environment for a long time, the inside circuit of sensor and component are easily damaged problem, the ageing damage speed of sensor has been reduced, the life of sensor has been improved, be favorable to the temperature monitoring work of photovoltaic solar cell panel

Further, the vent 14 is symmetrically arranged above and below the heat dissipation box 2 respectively, the inside of the heat dissipation box 2 is conveniently ventilated, the filter plate 15 is arranged in the vent 14, the filter plate 15 is fixedly connected with the heat dissipation box 2 through bolts, sundries in air can be prevented from entering through the arrangement of the filter plate 15, the practicability is improved, the fixed frame 16 is fixedly arranged inside the heat dissipation box 2 along the upper side of the refrigerating plate 12, the fan 17 is fixedly arranged inside the fixed frame 16, so that external air can be extracted to flow into the inside of the heat dissipation box 2 through the starting fan 17, the air flow inside the heat dissipation box 2 is quickened, the heating surface of the refrigerating plate 12 is further radiated, and the stability of the refrigerating plate 12 is facilitated.

Further, the guide plate 18 is fixedly arranged in the heat dissipation box 2 along one side of the refrigeration plate 12, and the guide plate 18 is obliquely arranged, so that air flowing into the heat dissipation box 2 can be guided, the stability of air flow on the surface of the refrigeration plate 12 is improved, and the stability of heat dissipation of the heating surface of the refrigeration plate 12 is facilitated.

Further, the inside of casing 1 is provided with insulating layer 13, can separate the temperature, increases the heat preservation ability of casing 1, and then can separate the transmission of external high temperature to reduce the loss of casing 1 interior low temperature, be favorable to keeping the low temperature environment in the casing 1, improved the stability of sensor work.

Further, mounting panel 3 is fixedly installed to the below of casing 1, and the below fixed mounting of mounting panel 3 has monitor head 4, and the inside of monitor head 4 is provided with thermistor 5, and the top of thermistor 5 is provided with connecting wire 11, and sensor main part 9 and thermistor 5 pass through connecting wire 11 electric connection to in the sensor carries out temperature monitoring process to photovoltaic solar cell panel, the resistance value through thermistor 5 also changes when the change through the temperature, realizes temperature monitoring.

Further, the both sides of mounting panel 3 below are provided with fixed plate 7 respectively symmetrically, be provided with fixed column 6 between mounting panel 3 and the fixed plate 7, the inside of fixed column 6 is provided with the screw hole, the installation of mounting panel 3 of being convenient for, and fixed column 6 and fixed plate 7 welded connection, the top of mounting panel 3 is provided with fixing bolt 8, and mounting panel 3 and fixed column 6 pass through fixing bolt 8 fixed connection, thereby when installing the sensor, can install the back at photovoltaic solar cell panel with fixed plate 7 earlier, install the mounting panel 3 on fixed column 6 again, realize the installation of sensor is fixed, the sensor of being convenient for can keep unchanged in monitoring position after dismantling the change, the practicality has been improved.

Working principle: when the solar cell panel temperature monitoring device is used, the two fixing plates 7 are respectively arranged at positions required to be subjected to temperature monitoring on the back surface of the photovoltaic solar cell panel, then the mounting plate 3 is arranged on the fixing column 6 through the fixing bolts 8, the fixing mounting of the sensor is realized, when the temperature of the photovoltaic solar cell panel is monitored by the sensor, the resistance value of the thermistor 5 is also changed when the temperature is changed, the temperature monitoring is realized, meanwhile, the refrigeration plate 12 is electrified to generate cold temperature, and then the cold temperature is transmitted to the inside of the shell 1 through the temperature conduction of the heat conduction ring shell 10, the circuits and elements in the sensor are cooled to enable the circuits and elements in the sensor to work in a low-temperature environment, the ageing damage speed is reduced, the service life of the sensor is prolonged, and meanwhile, external air can be extracted through the starting fan 17 and flows in from the bottom of the heat dissipation box 2, so that the air circulation speed in the heat dissipation box 2 is quickened, the refrigeration of the refrigeration plate 12 is cooled, and the stability of the refrigeration plate 12 is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. High temperature resistant photovoltaic sensor, including casing (1), its characterized in that: one side fixed mounting of casing (1) has heat dissipation case (2), the inside of casing (1) is provided with sensor main part (9), the inside of casing (1) is provided with along the outside of sensor main part (9) and leads Wen Huanke (10), and leads Wen Huanke (10) and casing (1) through bolt fixed connection, one side of leading Wen Huanke (10) is provided with refrigeration board (12), and the refrigeration door facing of refrigeration board (12) is laminated with leading Wen Huanke (10), the inside that refrigeration board (12) penetrated heat dissipation case (2).

2. The high temperature resistant photovoltaic sensor of claim 1, wherein: the heat dissipation box is characterized in that ventilation openings (14) are symmetrically arranged above and below the heat dissipation box (2) respectively, a filter plate (15) is arranged in the ventilation openings (14), and the filter plate (15) is fixedly connected with the heat dissipation box (2) through bolts.

3. The high temperature resistant photovoltaic sensor of claim 2, wherein: the inside of radiating box (2) is along the top fixed mounting of refrigeration board (12) fixed frame (16), the inside fixed mounting of fixed frame (16) has fan (17).

4. The high temperature resistant photovoltaic sensor of claim 1, wherein: the inside of the heat dissipation box (2) is fixedly provided with a guide plate (18) along one side of the refrigerating plate (12), and the guide plate (18) is obliquely arranged.

5. The high temperature resistant photovoltaic sensor of claim 1, wherein: a heat insulation layer (13) is arranged in the shell (1).

6. The high temperature resistant photovoltaic sensor of claim 1, wherein: the sensor is characterized in that a mounting plate (3) is fixedly mounted below the shell (1), a monitoring head (4) is fixedly mounted below the mounting plate (3), a thermistor (5) is arranged inside the monitoring head (4), a connecting lead (11) is arranged above the thermistor (5), and the sensor main body (9) and the thermistor (5) are electrically connected through the connecting lead (11).

7. The high temperature resistant photovoltaic sensor of claim 6, wherein: the utility model discloses a fixing device for the automobile, including mounting panel (3) and fixed plate (7), mounting panel (3) below both sides symmetry respectively are provided with fixed plate (7), be provided with fixed column (6) between mounting panel (3) and fixed plate (7), and fixed column (6) and fixed plate (7) welded connection, the top of mounting panel (3) is provided with fixing bolt (8), and mounting panel (3) and fixed column (6) pass through fixing bolt (8) fixed connection.