Automatic heating device for smart camera and temperature control method thereof

Abstract

The present invention discloses an automatic heating device for a smart camera and a control method thereof, comprising: a smart camera, a camera mounting seat, a camera shield and a temperature adjustment control device, wherein the camera mounting seat is a frame structure with openings at both ends, the smart camera is installed in the camera mounting seat, and the outer wall of the smart camera is in close contact with the inner wall of the camera mounting seat, the camera shield is a hollow sealed sheet metal structure, the camera mounting seat is fixed to the lower surface of the interior of the camera shield by bolts, the temperature adjustment control device is arranged at the upper end of the interior of the camera shield, and the temperature adjustment control device is connected to the camera mounting seat. Through the application of the present invention, the camera system can be automatically heated and controlled in a low temperature environment, avoiding the limitations of traditional cameras that cannot work normally due to the low temperature environment, thereby expanding the scope of use of smart cameras.

Description

Technical Field

[0001] The present invention relates to the technical field of smart cameras, and in particular to an automatic heating device for a smart camera and a temperature control method thereof. Background Art

[0002] With the development of automation technology and the increasing requirements for intelligent equipment, smart cameras have been widely used in many fields of automation, such as intelligent guided assembly and automatic detection. However, due to the components of traditional smart cameras themselves, their normal temperature operating range is 0℃~40℃, which is difficult to meet the requirements of low-temperature environments. This limits their application scope and is not conducive to the promotion of intelligent technology. Although special smart cameras can meet the requirements of low-temperature use environments, their high prices also limit their widespread application. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide an automatic heating device for a smart camera, comprising: a smart camera, a camera mounting seat, a camera hood and a temperature adjustment control device, wherein the camera mounting seat is a frame structure with openings at both ends, the lower part of the smart camera is mounted on the lower surface of the interior of the camera mounting seat by bolts, and the outer wall of the smart camera is tightly attached to the inner wall of the camera mounting seat, the camera hood is a hollow sealed sheet metal structure, the camera mounting seat is fixed to the lower surface of the interior of the camera hood by bolts, the temperature adjustment control device is arranged at the upper end of the interior of the camera hood, and the temperature adjustment control device is connected to the camera mounting seat;

[0004] The camera mounting seat is a rectangular frame structure, and the camera mounting seat includes: an upper mounting plate, a lower mounting plate and two side plates, the upper mounting plate and the lower mounting plate are both arranged in a horizontal direction, the two side plates are both arranged in a vertical direction, the upper ends of the two side plates are vertically connected to the two ends of the lower surface of the upper mounting plate by bolts, one side of the lower ends of the two side plates is vertically connected to the two ends of the lower mounting plate by bolts, and the upper mounting plate, the lower mounting plate and the two side plates are all in close contact with the outer wall of the smart camera;

[0005] A plurality of first threaded holes are preset on the bottom of the smart camera, and a plurality of second threaded holes are opened on the lower mounting plate, and each of the first threaded holes matches with one of the second threaded holes.

[0006] In another preferred embodiment, the camera shield comprises: an upper shield, a lower shield, a front shield, a rear shield, a lens shield, a solid-state relay mounting plate and a waterproof connector;

[0007] The lower cover shell is a frame-type sheet metal structure, the upper cover shell is a door frame-type structure, the two sides of the lower part of the upper cover shell are respectively fixedly connected to the two sides of the lower cover shell, the front cover shell and the rear cover shell are both plates with bent edges, the front cover shell and the rear cover shell are respectively installed at the two ends of the upper cover shell, the front cover shell, the rear cover shell and the upper cover shell form a closed accommodating space on the upper part of the lower cover shell, the solid-state relay mounting plate is arranged in the middle position of the accommodating space, a lens shield is installed at one end of the lower cover shell, a lens hole is opened on the lens shield, and the lens hole matches the lens of the smart camera;

[0008] The other end of the lower cover relative to the lens hood is provided with no less than two tail wire outlet holes, and each tail wire outlet hole is installed with a waterproof connector, which is used to connect the temperature control device with an external host; the upper surface of the lower cover is provided with a plurality of upper wire outlet holes; the lower surface of the lower cover is provided with a plurality of third threaded holes, and each of the third threaded holes matches with one of the second threaded holes;

[0009] A plurality of temperature controller installation holes are respectively provided on both sides of the upper portion of the upper cover shell.

[0010] In another preferred embodiment, the camera hood further comprises: a shielding structure, wherein the shielding structure is disposed at an upper end of the lens hood and extends outwardly in a horizontal direction.

[0011] In another preferred embodiment, the shielding structure includes: two side baffle walls and an upper baffle wall, the upper baffle wall is arranged at the upper end of the lens hood along the horizontal direction, the two side baffle walls are both in the shape of right-angled triangle plates, the two side baffle walls are respectively arranged on the lens hood along the vertical direction, and a right-angled side of each side baffle wall is fixedly connected to the upper baffle wall, and the other right-angled side of each side baffle wall is fixedly connected to the lens hood.

[0012] In another preferred embodiment, the temperature adjustment control device comprises: a plurality of temperature sensors, a plurality of heaters, a plurality of thermostats and a plurality of solid-state relays, and the temperature sensors, the heaters, the solid-state relays and the thermostats are arranged in equal numbers;

[0013] Each of the temperature sensors and each of the heaters is provided with a threaded structure, each of the temperature sensors and each of the heaters is threadedly mounted in the camera mounting seat, and a plurality of the temperature sensors and a plurality of the heaters are evenly embedded in the camera mounting seat along the contour of the camera mounting seat;

[0014] Each of the thermostats is installed in a thermostat installation hole in an embedded manner, and each of the temperature sensors is connected to a corresponding thermostat via a first cable, each of the thermostats is used to read the temperature data of a temperature sensor, and each of the thermostats is also connected to the external host via a second cable and sequentially passes through the upper wire outlet hole and the tail wire outlet hole;

[0015] Several of the solid-state relays are fixedly mounted on the solid-state relay mounting plate by bolts, each of the heaters is connected to a solid-state relay via a third angle cable and passes through the upper wire outlet hole, the solid-state relay is used to control the opening and closing of the heater, and each of the solid-state relays is connected to an external host via a fourth cable and passes through the upper wire outlet hole and the tail wire outlet hole in sequence.

[0016] In another preferred embodiment, the embedding depth of each of the heaters is greater than the embedding depth of each of the temperature sensors.

[0017] In another preferred embodiment, the camera mounting seat is made of aluminum alloy.

[0018] In another preferred embodiment, a plurality of the heaters and a plurality of the temperature sensors are embedded in the camera mounting base in a cross-arranged manner.

[0019] A temperature control method for an automatic heating device of a smart camera, comprising any one of the above-mentioned fast working table mechanisms, and further comprising: a PLC system preset in the external host;

[0020] The temperature control method specifically comprises the following steps:

[0021] Step S1: The user sets a target temperature through the thermostat, and the target temperature is the optimal working temperature of the smart camera;

[0022] Step S2: controlling the smart camera to start working, and controlling the PLC system to work at the same time;

[0023] Step S3: the plurality of temperature controllers continuously transmit the real-time temperatures sensed by the plurality of temperature sensors to the input unit of the PLC system, and the PLC system continuously determines whether the real-time temperatures are lower than the target temperature.

[0024] If yes, go to step S4;

[0025] If not, return to step S3

[0026] Step S4: the PLC system controls the solid-state relay corresponding to the temperature sensor lower than the target temperature to be connected, and the solid-state relay controls the corresponding heater to heat;

[0027] Step S5: The PLC system monitors whether the real-time temperature is greater than or equal to the target temperature.

[0028] If yes, go to step S6;

[0029] If not, return to step S4;

[0030] Step S6: The PLC system controls the solid-state relay to be disconnected, and the heater stops working.

[0031] Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art: the present invention has a simple structure and low cost, and can automatically control the heating of the camera system in a low temperature environment, thereby avoiding the limitations of traditional cameras that cannot work normally due to the low temperature environment, and thus can expand the scope of use of smart cameras. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic diagram of an automatic heating device for a smart camera of the present invention;

[0033] Figure 2 It is a schematic diagram of the automatic heating device for a smart camera without a rear cover of the present invention;

[0034] Figure 3 A schematic diagram of an automatic heating device for a smart camera without a camera shield according to the present invention;

[0035] Figure 4 A schematic diagram of the arrangement of heaters of the automatic heating device for a smart camera of the present invention;

[0036] Figure 5 A schematic diagram of embedding a heater and a temperature sensor of an automatic heating device for a smart camera of the present invention;

[0037] Figure 6 A schematic diagram of a camera shield of an automatic heating device for a smart camera of the present invention;

[0038] Figure 7 It is a partial schematic diagram of the camera shield of the automatic heating device for a smart camera of the present invention.

[0039] In the attached figure:

[0040] 10. Smart camera; 20. Camera mounting base; 30. Camera shield; 40. Temperature adjustment control device; 21. Upper mounting plate; 22. Lower mounting plate; 23. Side plate; 31. Upper cover shell; 32. Lower cover shell; 33. Rear cover shell; 34. Front cover shell; 35. Lens shield; 36. Solid-state relay mounting plate; 37. Waterproof connector; 41. Thermostat; 42. Temperature sensor; 43. Heater; 44. Solid-state relay; 311. Thermostat mounting hole; 321. Upper wire outlet hole; 322. Rear wire outlet hole; 323. Upper retaining wall; 324. Side retaining wall; 351. Lens hole. DETAILED DESCRIPTION

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0042] like Figures 1 to 7 As shown, an automatic heating device for a smart camera 10 of a preferred embodiment is shown, comprising: a smart camera 10, a camera mounting seat 20, a camera protective cover 30 and a temperature adjustment control device 40, wherein the camera mounting seat 20 is a frame structure with openings at both ends, the lower part of the smart camera 10 is mounted on the lower surface of the interior of the camera mounting seat 20 by bolts, and the outer wall of the smart camera 10 is tightly attached to the inner wall of the camera mounting seat 20, the camera protective cover 30 is a hollow sealed sheet metal structure, the camera mounting seat 20 is fixed to the lower surface of the interior of the camera protective cover 30 by bolts, the temperature adjustment control device 40 is arranged at the upper end of the interior of the camera protective cover 30, and the temperature adjustment control device 40 is connected to the camera mounting seat 20; wherein, The camera mounting seat 20 is a rectangular frame structure, and the camera mounting seat 20 includes: an upper mounting plate 21, a lower mounting plate 22 and two side plates 23. The upper mounting plate 21 and the lower mounting plate 22 are both arranged in a horizontal direction, and the two side plates 23 are both arranged in a vertical direction. The upper ends of the two side plates 23 are vertically connected to the two ends of the lower surface of the upper mounting plate 21 by bolts, and one side of the lower ends of the two side plates 23 is vertically connected to the two ends of the lower mounting plate 22 by bolts, and the upper mounting plate 21, the lower mounting plate 22 and the two side plates 23 are all tightly attached to the outer wall of the smart camera 10; a plurality of first threaded holes are preset at the bottom of the smart camera 10, and a plurality of second threaded holes are opened on the lower mounting plate 22, and each of the first threaded holes matches a second threaded hole. Furthermore, the camera mounting base 20 is heated by the temperature adjustment control device 40 , so that the temperature of the smart camera 10 is increased accordingly, so that the smart camera can still work normally in a heat preservation space formed in the camera protective cover 30 under low temperature conditions.

[0043] Further, as a preferred embodiment, the camera shield 30 includes: an upper cover shell 31, a lower cover shell 32, a front cover shell 34, a rear cover shell 33, a lens shield 35, a solid-state relay 44 mounting plate 36 and a waterproof joint 37; the lower cover shell 32 is a frame-type sheet metal structure, the upper cover shell 31 is a door frame-type structure, the two sides of the lower part of the upper cover shell 31 are respectively fixedly connected to the two sides of the lower cover shell 32, the front cover shell 34 and the rear cover shell 33 are both plates with bent edges, the front cover shell 34 and the rear cover shell 33 are respectively installed at the two ends of the upper cover shell 31, the front cover shell 34, the rear cover shell 33 and the upper cover shell 31 form a closed accommodating space on the upper part of the lower cover shell 32, and the solid-state relay 44 mounting plate 36 is arranged in the accommodating space In the middle position, a lens hood 35 is installed at one end of the lower cover shell 32, and a lens hole 351 is opened on the lens hood 35, and the lens hole 351 matches the lens of the smart camera 10; the lower cover shell 32 is provided with no less than two tail outlet holes 322 at the other end relative to the lens hood 35, and each of the tail outlet holes 322 is installed with a waterproof connector 37, and the waterproof connector 37 is used for connecting the temperature adjustment control device 40 with an external host; a plurality of upper outlet holes 321 are opened on the upper surface of the lower cover shell 32; a plurality of third threaded holes are opened on the lower surface of the lower cover shell 32, and each of the third threaded holes matches with a second threaded hole; a plurality of thermostat mounting holes 311 are respectively opened on both sides of the upper part of the upper cover shell 31. Furthermore, a relatively closed heat-insulating space is formed by the lower cover shell 32, so that only the lens of the smart camera 10 is in contact with the outside, and the rest of the parts are under the heating and temperature control state of the camera mounting base 20; and a space for convenient and stable installation of the temperature adjustment control device 40 is formed by the upper cover shell 31.

[0044] Furthermore, as a preferred embodiment, the camera hood 30 further includes: a shielding structure, which is disposed at the upper end of the lens hood 35 and extends outwardly in a horizontal direction.

[0045] Further, as a preferred embodiment, the shielding structure includes: two side baffles 324 and an upper baffle 323, the upper baffle 323 is arranged at the upper end of the lens hood 35 in the horizontal direction, the two side baffles 324 are both in the shape of right-angled triangles, the two side baffles 324 are respectively arranged at the lens hood 35 in the vertical direction, and a right-angled side of each side baffle 324 is fixedly connected to the upper baffle 323, and the other right-angled side of each side baffle 324 is fixedly connected to the lens hood 35. Furthermore, the upper baffle 323 and the side baffle 324 can prevent the influence of direct sunlight, rain and snow, etc., thereby improving the reliability of the operation of the smart camera 10.

[0046] Further, as a preferred embodiment, the temperature adjustment control device 40 includes: a plurality of temperature sensors 42, a plurality of heaters 43, a plurality of thermostats 41 and a plurality of solid-state relays 44, and the temperature sensors 42, the heaters 43, the solid-state relays 44 and the thermostats 41 are arranged in equal numbers; each of the temperature sensors 42 and each of the heaters 43 is provided with a threaded structure, each of the temperature sensors 42 and each of the heaters 43 is threadedly mounted in the camera mounting seat 20, and the plurality of temperature sensors 42 and the plurality of heaters 43 are uniformly embedded in the camera mounting seat 20 along the contour of the camera mounting seat 20; each of the thermostats 41 is installed in a thermostat mounting hole 311 in an embedded manner, and each of the The temperature sensors 42 are connected to the corresponding thermostats 41 through a first cable, and each of the thermostats 41 is used to read the temperature data of a temperature sensor 42. Each of the thermostats 41 is also connected to the external host through a second cable and sequentially passes through the upper wire outlet hole 321 and the tail wire outlet hole 322; a plurality of solid-state relays 44 are fixedly installed on the solid-state relay 44 mounting plate 36 by bolts, and each of the heaters 43 is connected to a solid-state relay 44 through a third angle cable and passes through the upper wire outlet hole 321. The solid-state relay 44 is used to control the opening and closing of the heater 43, and each of the solid-state relays 44 is connected to the external host through a fourth cable and sequentially passes through the upper wire outlet hole 321 and the tail wire outlet hole 322. Furthermore, the thermostat 41 sets the working temperature and senses the temperature data in the temperature sensor 42, and transmits the obtained temperature data to the input unit of the control system of the external host. If the data temperature obtained by the control system is lower than the working temperature set by the thermostat 41, at this time, the output unit in the control system controls the solid-state relay 44 to turn on and controls the heater 43 to work, thereby heating the camera mounting seat 20. When the set target temperature is reached, the control system controls the relay to disconnect, thereby stopping heating, and finally realizing real-time temperature adjustment control of the camera mounting seat 20.

[0047] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention.

[0048] The present invention also has the following implementation modes based on the above:

[0049] In a further embodiment of the present invention, the embedding depth of each of the heaters 43 is greater than the embedding depth of each of the temperature sensors 42. Furthermore, the camera mounting seat 20 can be heated more evenly during the temperature adjustment process.

[0050] In a further embodiment of the present invention, the camera mounting seat 20 is made of aluminum alloy. Furthermore, aluminum alloy has good thermal conductivity, which can reduce the time for the temperature adjustment control device 40 to heat the camera mounting seat 20 to the required temperature, thereby improving the temperature adjustment efficiency.

[0051] In a further embodiment of the present invention, a plurality of the heaters 43 and a plurality of the temperature sensors 42 are embedded in the camera mounting base 20 in a cross-arranged manner.

[0052] The following describes the automatic heating device for the smart camera 10 of the present invention:

[0053] A temperature control method for an automatic heating device for a smart camera 10, comprising the automatic heating device for a smart camera 10 described in any one of the above embodiments, and further comprising: a PLC system preset in the external host;

[0054] The temperature control method specifically comprises the following steps:

[0055] Step S1: The user sets a target temperature through the temperature controller 41 , and the target temperature is the optimal working temperature of the smart camera 10 ;

[0056] Step S2: Control the smart camera 10 to start working, and simultaneously control the PLC system to work;

[0057] Step S3: the plurality of temperature controllers 41 continuously transmit the real-time temperatures sensed by the plurality of temperature sensors 42 to the input unit of the PLC system, and the PLC system continuously determines whether the real-time temperatures are lower than the target temperature.

[0058] If yes, go to step S4;

[0059] If not, return to step S3

[0060] Step S4: the PLC system controls the solid-state relay 44 corresponding to the temperature sensor 42 which is lower than the target temperature to be connected, and the solid-state relay 44 controls the corresponding heater 43 to heat;

[0061] Step S5: The PLC system monitors whether the real-time temperature is greater than or equal to the target temperature.

[0062] If yes, go to step S6;

[0063] If not, return to step S4;

[0064] Step S6: the PLC system controls the solid-state relay 44 to be disconnected, and the heater 43 stops working.

[0065] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic heating device for a smart camera, characterized in that: include: A smart camera, a camera mount, a camera hood and a temperature control device, wherein the camera mount is a frame structure with openings at both ends, the lower part of the smart camera is mounted on the lower surface of the interior of the camera mount by bolts, and the outer wall of the smart camera is in close contact with the inner wall of the camera mount, the camera hood is a hollow sealed sheet metal structure, the camera mount is fixed to the lower surface of the interior of the camera hood by bolts, the temperature control device is arranged at the upper end of the interior of the camera hood, and the temperature control device is connected to the camera mount; The camera mounting seat is a rectangular frame structure, and the camera mounting seat includes: an upper mounting plate, a lower mounting plate and two side plates, the upper mounting plate and the lower mounting plate are both arranged in a horizontal direction, the two side plates are both arranged in a vertical direction, the upper ends of the two side plates are vertically connected to the two ends of the lower surface of the upper mounting plate by bolts, one side of the lower ends of the two side plates is vertically connected to the two ends of the lower mounting plate by bolts, and the upper mounting plate, the lower mounting plate and the two side plates are all in close contact with the outer wall of the smart camera; The bottom of the smart camera is preset with a plurality of first threaded holes, the lower mounting plate is provided with a plurality of second threaded holes, and each of the first threaded holes matches with a second threaded hole; The camera shield comprises: an upper shield, a lower shield, a front shield, a rear shield, a lens shield, a solid-state relay mounting plate and a waterproof connector; The lower cover shell is a frame-type sheet metal structure, the upper cover shell is a door frame-type structure, the two sides of the lower part of the upper cover shell are respectively fixedly connected to the two sides of the lower cover shell, the front cover shell and the rear cover shell are both plates with bent edges, the front cover shell and the rear cover shell are respectively installed at the two ends of the upper cover shell, the front cover shell, the rear cover shell and the upper cover shell form a closed accommodating space on the upper part of the lower cover shell, the solid-state relay mounting plate is arranged in the middle position of the accommodating space, a lens shield is installed at one end of the lower cover shell, a lens hole is opened on the lens shield, and the lens hole matches the lens of the smart camera; The other end of the lower cover relative to the lens hood is provided with no less than two tail wire outlet holes, and each tail wire outlet hole is installed with a waterproof connector, which is used to connect the temperature control device with an external host; the upper surface of the lower cover is provided with a plurality of upper wire outlet holes; the lower surface of the lower cover is provided with a plurality of third threaded holes, and each of the third threaded holes matches with one of the second threaded holes; A plurality of thermostat mounting holes are respectively provided on both sides of the upper portion of the upper cover shell; The camera mounting seat is made of aluminum alloy material.

2. The automatic heating device for a smart camera according to claim 1, characterized in that: The camera shield further comprises: a shielding structure, which is arranged at the upper end of the lens shield and extends outwardly in a horizontal direction.

3. The automatic heating device for a smart camera according to claim 2, characterized in that: The shielding structure includes: two side baffle walls and an upper baffle wall, the upper baffle wall is arranged at the upper end of the lens hood along the horizontal direction, the two side baffle walls are both in the shape of right-angled triangle plates, the two side baffle walls are respectively arranged on the lens hood along the vertical direction, and a right-angle side of each side baffle wall is fixedly connected to the upper baffle wall, and the other right-angle side of each side baffle wall is fixedly connected to the lens hood.

4. The automatic heating device for a smart camera according to claim 1, characterized in that: The temperature adjustment control device comprises: a plurality of temperature sensors, a plurality of heaters, a plurality of temperature controllers and a plurality of solid-state relays, and the temperature sensors, the heaters, the solid-state relays and the temperature controllers are arranged in equal numbers; Each of the temperature sensors and each of the heaters is provided with a threaded structure, each of the temperature sensors and each of the heaters is threadedly mounted in the camera mounting seat, and a plurality of the temperature sensors and a plurality of the heaters are evenly embedded in the camera mounting seat along the contour of the camera mounting seat; Each of the thermostats is installed in a thermostat installation hole in an embedded manner, and each of the temperature sensors is connected to a corresponding thermostat via a first cable, each of the thermostats is used to read the temperature data of a temperature sensor, and each of the thermostats is also connected to the external host via a second cable and sequentially passes through the upper wire outlet hole and the tail wire outlet hole; Several of the solid-state relays are fixedly mounted on the solid-state relay mounting plate by bolts, each of the heaters is connected to a solid-state relay via a third angle cable and passes through the upper wire outlet hole, the solid-state relay is used to control the opening and closing of the heater, and each of the solid-state relays is connected to an external host via a fourth cable and passes through the upper wire outlet hole and the tail wire outlet hole in sequence.

5. The automatic heating device for a smart camera according to claim 4, characterized in that: The embedding depth of each of the heaters is greater than the embedding depth of each of the temperature sensors.

6. The automatic heating device for a smart camera according to claim 4, characterized in that: A plurality of the heaters and a plurality of the temperature sensors are embedded in the camera mounting seat in a cross-arranged manner.

7. A temperature control method for an automatic heating device of a smart camera, characterized in that: The automatic heating device for a smart camera according to claim 5 or 6 further comprises: a PLC system preset in the external host; The temperature control method specifically comprises the following steps: Step S1: The user sets a target temperature through the thermostat, and the target temperature is the optimal working temperature of the smart camera; Step S2: controlling the smart camera to start working, and controlling the PLC system to work at the same time; Step S3: the plurality of temperature controllers continuously transmit the real-time temperatures sensed by the plurality of temperature sensors to the input unit of the PLC system, and the PLC system continuously determines whether the real-time temperatures are lower than the target temperature. If yes, go to step S4; If not, return to step S3 Step S4: the PLC system controls the solid-state relay corresponding to the temperature sensor lower than the target temperature to be connected, and the solid-state relay controls the corresponding heater to heat; Step S5: The PLC system monitors whether the real-time temperature is greater than or equal to the target temperature. If yes, go to step S6; If not, return to step S4; Step S6: The PLC system controls the solid-state relay to be disconnected, and the heater stops working.

Images