CN214067677U

CN214067677U - Temperature control detection device based on PID control

Info

Publication number: CN214067677U
Application number: CN202023128902.3U
Authority: CN
Inventors: 邱智豪; 张�杰; 张帆
Original assignee: Zhejiang Unite Scientific Instrument Co ltd
Current assignee: Zhejiang Unite Scientific Instrument Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-27
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a control by temperature change detection device based on PID control, including the insulation can, the interior bottom side rotation of insulation can is connected with the supporter, the bottom side fixedly connected with of supporter is from the driving wheel, the flexible push rod of interior top side intermediate position fixedly connected with drive of insulation can, the piston end fixedly connected with wind scooper of the flexible push rod of drive, the bottom intermediate position embedding of wind scooper is connected with temperature sensor, the lateral wall bottom side fixedly connected with driving motor of insulation can, driving motor's output shaft fixedly connected with action wheel. The utility model discloses in, PID temperature controller starts driving motor, makes driving motor's drive supporter also rotate in spacing inboard to the messenger blows on each of the object that awaits measuring from exhaust hood exhaust hot-blast uniformly on the surface, is favorable to promoting the heating efficiency of the object that awaits measuring.

Description

Temperature control detection device based on PID control

Technical Field

The utility model relates to a control by temperature change monitoring facilities technical field especially relates to control by temperature change detection device based on PID control.

Background

Proportional-integral-derivative control, PID control for short, is one of the earliest developed control strategies, is widely applied to industrial process control due to simple algorithm, good robustness and high reliability, and about 90% of control loops have PID structures so far, so that the control deviation is formed simply according to a given value and an actual output value, the deviation is linearly combined according to proportion, integral and derivative to form a control quantity to control a controlled object, and a conventional PID controller is used as a linear controller;

at present, the object to be detected placed on the shelf is heated through the electric heating plate by the existing PID-controlled temperature control detection device, and in the process, the object to be detected can not correspondingly change the heating surface of the object to be detected, so that the object to be detected is heated unevenly, and the whole object to be detected is difficult to heat quickly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a temperature control detection device based on PID control.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the temperature control detection device based on PID control comprises an insulation box, wherein an article shelf is rotatably connected to the inner bottom side of the insulation box, a driven wheel is fixedly connected to the bottom side of the article shelf, a driving telescopic push rod is fixedly connected to the middle position of the inner top side of the insulation box, a wind guide cover is fixedly connected to the piston end of the driving telescopic push rod, a temperature sensor is embedded and connected to the middle position of the bottom end of the wind guide cover, a driving motor is fixedly connected to the bottom side of the outer side wall of the insulation box, a driving wheel is fixedly connected to the output shaft of the driving motor, a driving belt is connected to the outer surface of the driving wheel and penetrates through the outer side wall of the insulation box to extend to the inner side, a plurality of heaters are uniformly and fixedly connected to the position, close to the driving wheel, the lateral wall top side fixedly connected with PID temperature controller of insulation can, the surface of insulation can rotates through the hinge and is connected with the chamber door, the surface of chamber door is close to one side edge department threaded connection of exhaust hood and has two screw thread hand wheels, the position that the surface of insulation can corresponds the screw thread hand wheel all has seted up the location thread groove.

As a further description of the above technical solution:

the position that the inside wall of insulation can corresponds the supporter is fixedly connected with spacing, and imbeds between supporter and the spacing and rotates and be connected.

As a further description of the above technical solution:

the driving motor and the outer side of the driving wheel are provided with a motor cover together, and the motor cover is fixedly connected with the heat preservation box.

As a further description of the above technical solution:

and the PID temperature controller is electrically connected with the driving motor, the heater and the temperature sensor.

As a further description of the above technical solution:

and the edge of the inner surface of the box door is fixedly connected with a heat-insulating layer.

As a further description of the above technical solution:

and an observation window is arranged on the outer surface of the box door.

The utility model discloses following beneficial effect has:

1. this control by temperature change detection device based on PID control, PID temperature controller start driving motor makes driving motor's drive supporter also rotate in spacing inboard to the messenger blows on each surface of the object that awaits measuring evenly from exhaust hood exhaust hot-blast, is favorable to promoting the heating efficiency of the object that awaits measuring.

2. This control by temperature change detection device based on PID control promotes the wind scooper through the flexible push rod of drive and descends to be convenient for make exhaust hood exhaust hot-blast more directly by the surface of the object that awaits measuring, be favorable to promoting the heat efficiency that gathers around the object that awaits measuring, be favorable to improving the efficiency that detects the operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a front view of the door of the present invention.

Illustration of the drawings: 1. a heat preservation box; 2. a rack; 3. a driven wheel; 4. a limiting frame; 5. a transmission belt; 6. a drive motor; 7. a driving wheel; 8. a motor cover; 9. a heater; 10. an exhaust hood; 11. a PID temperature controller; 12. driving the telescopic push rod; 13. a wind scooper; 14. a temperature sensor; 15. a box door; 16. a heat-insulating layer; 17. an observation window; 18. a threaded hand wheel; 19. a positioning screw groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the temperature control detection device based on PID control comprises an insulation box 1, wherein an article placing frame 2 is rotatably connected to the inner bottom side of the insulation box 1, a driven wheel 3 is fixedly connected to the bottom side of the article placing frame 2, a driving telescopic push rod 12 is fixedly connected to the middle position of the inner top side of the insulation box 1, a wind guide cover 13 is fixedly connected to the piston end of the driving telescopic push rod 12, a temperature sensor 14 is embedded and connected to the middle position of the bottom end of the wind guide cover 13, a driving motor 6 is fixedly connected to the bottom side of the outer side wall of the insulation box 1, a driving wheel 7 is fixedly connected to an output shaft of the driving motor 6, a driving belt 5 is connected to the outer surface of the driving wheel 7 and extends to the inner side through the outer side wall of the insulation box 1, a plurality of heaters 9 are uniformly and fixedly connected to the position of the outer side, the PID temperature controller 11 is fixedly connected to the top side of the outer side wall of the heat preservation box 1, the outer surface of the heat preservation box 1 is rotatably connected with a box door 15 through a hinge, two threaded hand wheels 18 are in threaded connection with the outer surface of the box door 15 close to one side edge of the exhaust hood 10, and positioning screw grooves 19 are formed in the positions, corresponding to the threaded hand wheels 18, of the outer surface of the heat preservation box 1.

The inner side wall of the heat preservation box 1 is fixedly connected with a limiting frame 4 corresponding to the position of the commodity shelf 2, and the commodity shelf 2 is embedded in the limiting frame 4 to be rotatably connected, so that the commodity shelf 2 can conveniently rotate under the limiting of the limiting frame 4, and the limiting support effect on the commodity shelf 2 is facilitated; the motor cover 8 is arranged on the outer sides of the driving motor 6 and the driving wheel 7 together, and the motor cover 8 is fixedly connected with the heat insulation box 1, so that the driving motor 6 and the driving wheel 7 are protected by the motor cover 8; the PID temperature controller 11 is electrically connected with the driving motor 6, the heater 9 and the temperature sensor 14, so that the PID temperature controller 11 can control the operation of each component in order; the edge of the inner surface of the box door 15 is fixedly connected with the heat preservation layer 16, which is beneficial to preventing hot air in the heat preservation box 1 from seeping out through a gap between the box door 15 and the heat preservation box 1; the outer surface of the box door 15 is provided with an observation window 17, so that the detection work in the incubator 1 can be observed through the observation window 17 by the staff conveniently.

The working principle is as follows: when an object to be measured and a surrounding space of the object to be measured which are placed on the commodity shelf 2 need to be heated, the heaters 9 on the outer side of the insulation box 1 are started, the heaters 9 supply heat to the inner side of the insulation box 1 through the exhaust hood 10, before the heating, the threaded hand wheel 18 is screwed into the positioning screw groove 19, so that the closing of the box door 15 on the insulation box 1 is completed, the temperature loss is avoided, in the heating process, the PID temperature controller 11 starts the driving motor 6 in the motor hood 8, the output shaft of the driving motor 6 drives the driving wheel 7 to rotate, the driving wheel 7 drives the driven wheel 3 to rotate through the driving belt 5, meanwhile, the commodity shelf 2 also rotates on the inner side of the limiting frame 4, so that hot air exhausted from the exhaust hood 10 is uniformly blown on each surface of the object to be measured, and meanwhile, the PID temperature controller 11 displays the surface temperature of the object to be measured in real time through the detection of the temperature sensor 14, if the temperature gathers too slowly, the staff starts drive flexible push rod 12, makes drive flexible push rod 12 promote the wind scooper 13 and descends to be convenient for make exhaust hood 10 exhaust hot-blast more directly by the surface of the object that awaits measuring, be favorable to promoting the heat efficiency that gathers around the object that awaits measuring, be favorable to improving the efficiency that detects the operation, have certain practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. Control by temperature change detection device based on PID control includes insulation can (1), its characterized in that: the heat preservation box is characterized in that an article shelf (2) is rotatably connected to the inner bottom side of the heat preservation box (1), a driven wheel (3) is fixedly connected to the bottom side of the article shelf (2), a driving telescopic push rod (12) is fixedly connected to the middle position of the inner top side of the heat preservation box (1), an air guide cover (13) is fixedly connected to the piston end of the driving telescopic push rod (12), a temperature sensor (14) is embedded and connected to the middle position of the bottom end of the air guide cover (13), a driving motor (6) is fixedly connected to the bottom side of the outer side wall of the heat preservation box (1), a driving wheel (7) is fixedly connected to the output shaft of the driving motor (6), a driving belt (5) is connected to the outer surface of the driving wheel (7), the driving belt (5) penetrates through the outer side wall of the heat preservation box (1) and extends to the inner side, and a plurality of heaters (9) are uniformly and fixedly connected to the position, close to the driving wheel (7), of the outer side wall of the heat preservation box (1), it is a plurality of the equal fixedly connected with exhaust hood (10) of output of heater (9), and exhaust hood (10) run through the lateral wall of insulation can (1) and extend to the inboard, the lateral wall top side fixedly connected with PID temperature controller (11) of insulation can (1), the surface of insulation can (1) is connected with chamber door (15) through hinge rotation, a side edge department threaded connection that the surface of chamber door (15) is close to exhaust hood (10) has two screw thread hand wheels (18), location spiral shell groove (19) have all been seted up to the position that the surface of insulation can (1) corresponds screw thread hand wheel (18).

2. The PID control-based temperature control detection device according to claim 1, wherein: the position that the inside wall of insulation can (1) corresponds supporter (2) is fixedly connected with spacing (4), and imbeds between supporter (2) and spacing (4) and rotates to be connected.

3. The PID control-based temperature control detection device according to claim 1, wherein: the motor cover (8) is arranged on the outer sides of the driving motor (6) and the driving wheel (7) together, and the motor cover (8) is fixedly connected with the heat preservation box (1).

4. The PID control-based temperature control detection device according to claim 1, wherein: and the PID temperature controller (11) is electrically connected with the driving motor (6), the heater (9) and the temperature sensor (14).

5. The PID control-based temperature control detection device according to claim 1, wherein: and an insulating layer (16) is fixedly connected at the edge of the inner surface of the box door (15).

6. The PID control-based temperature control detection device according to claim 1, wherein: the outer surface of the box door (15) is provided with an observation window (17).