Smith pre-estimation controller
By introducing heat-conducting blocks, heat sinks, and an alarm system into the Smith predictive controller, the problems of inconvenient maintenance and untimely overheat detection caused by the internal enclosure have been solved, achieving stable installation, timely alarms, and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
The existing Smith predictive controller is housed within a protective enclosure, which makes maintenance inconvenient and results in delayed detection of overheating.
A structure including a housing, a connecting plate, a controller, a heat-conducting block, heat dissipation fins, a bimetallic strip, a pressure sensor, and an alarm is designed. Heat is dissipated through the heat-conducting block and heat dissipation fins, and the bimetallic strip senses temperature changes to trigger the alarm, which facilitates maintenance and timely detection of overheating.
It achieves stable installation and protection of the Smith predictive controller, timely detection and alarm of overheating, facilitates maintenance and disassembly, and ensures stable operation of the equipment.
Smart Images

Figure CN224037709U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to smith pre-estimation controller technical field especially relates to a smith pre-estimation controller. BACKGROUND
[0002] Smith pre-estimation controller is an effective tool for solving the control problem of the system with large pure lag, especially suitable for the system with pure lag link such as transmission delay and slow reaction in industrial production.
[0003] In the prior art, in order to improve the protection of the smith pre-estimation controller during use, the smith pre-estimation controller needs to be wrapped and arranged inside the protective shell, which leads to subsequent inconvenience in stable maintenance treatment of the smith pre-estimation controller, and if the smith pre-estimation controller overheats during use, it is inconvenient to discover and handle in time. Therefore, the utility model designs a kind of smith pre-estimation controller. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problem that in the prior art, in order to improve the protection of the smith pre-estimation controller during use, the smith pre-estimation controller needs to be wrapped and arranged inside the protective shell, which leads to subsequent inconvenience in stable maintenance treatment of the smith pre-estimation controller, and if the smith pre-estimation controller overheats during use, it is inconvenient to discover and handle in time, and proposes a kind of smith pre-estimation controller.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of smith pre-estimation controller, including casing, connecting plate and controller, the connecting plate is fixedly arranged in the both sides of casing, the controller is fixedly connected in the inside of casing, the side wall of the casing is equipped with multiple interfaces, multiple the interface is respectively electrically connected with controller, the top of the controller is fixedly connected with heat conduction block, the top of the heat conduction block is fixedly connected with multiple cooling fins, the top inner wall of the casing is fixedly connected with bimetallic strip, the top of the casing is equipped with control module, pressure sensor and alarm, the pressure sensor is respectively electrically connected with control module and alarm.
[0007] Preferably, the connecting part of the controller and the casing is fixedly connected with a support frame, and the side wall of the controller is fixedly connected with a fan.
[0008] Preferably, an opening is formed in the side wall of the casing, and a movable cover is hingedly arranged on the inner wall of the opening.
[0009] Preferably, the top end inner wall of the movable cover is provided with a notch, the movable cover is rotatably provided with a cam on the inner wall of the notch, and the inner wall of the shell is provided with a clamping opening.
[0010] Preferably, the top end of the cam is fixedly connected with a handle, and the handle extends to the outside of the movable cover through the notch.
[0011] Preferably, the inner wall of the interface is provided with an antiskid rubber pad.
[0012] Compared with the prior art, the utility model provides a kind of smith estimated controller, with following beneficial effects:
[0013] 1、the smith estimated controller, by controller can guarantee the stable use of smith estimated controller, and shell and connecting plate can guarantee the stable installation of controller and carry out stable protection treatment to it, interface can guarantee that controller is directly electrically connected with external device, and fan can heat dissipation to controller, movable cover can conveniently open shell subsequently to the controller of inside and carry out dismounting maintenance.
[0014] 2、the smith estimated controller, by in the controller continuous heating, heat will be conducted to bimetallic strip by heat conducting block and heat dissipation fin, when temperature is too high, bimetallic strip is bent by heat and can be extruded to pressure sensor, can make control module receive signal control alarm and timely alarm, guarantee timely discovery.
[0015] 3、the smith estimated controller, by rotating handle, cam can be driven to rotate, and movable cover is conveniently fixed and opened. DETAILED DESCRIPTION
[0016] Figure 1 For the structure diagram of a kind of smith estimated controller of the utility model;
[0017] Figure 2 For Figure 1 the structure enlarged schematic view of partial A portion in local;
[0018] Figure 3 For Figure 2 the structure perspective view of bimetallic strip in local;
[0019] Figure 4 For Figure 1 the structure perspective view of interface in local;
[0020] Figure 5 For Figure 2 the structure side view of cam in local.
[0021] In the figure: 1 shell, 2 connecting plate, 3 controller, 4 support frame, 5 interface, 6 fan, 7 movable cover, 8 heat conduction block, 9 heat dissipation fin, 10 bimetallic strip, 11 control module, 12 pressure sensor, 13 alarm, 14 cam, 15 handle, 16 anti-skid rubber pad. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] Embodiment one
[0024] Referring to Figures 1-5 A kind of smith estimated controller, including shell 1, connecting plate 2 and controller 3, connecting plate 2 is fixedly arranged on the both sides of shell 1, controller 3 is fixedly connected in the inside of shell 1, the side wall of shell 1 is equipped with multiple interfaces 5, multiple interfaces 5 are electrically connected with controller 3 respectively, the top of controller 3 is fixedly connected with heat conduction block 8, the top of heat conduction block 8 is fixedly connected with multiple heat dissipation fins 9, the top end inner wall of shell 1 is fixedly connected with bimetallic strip 10, the top of shell 1 is equipped with control module 11, pressure sensor 12 and alarm 13, pressure sensor 12 is electrically connected with control module 11 and alarm 13 respectively, the inner wall of interface 5 is equipped with anti-skid rubber pad 16.
[0025] The connecting place of controller 3 and shell 1 is fixedly connected with support frame 4 simultaneously, the side wall of controller 3 is fixedly connected with fan 6, the side wall of shell 1 is equipped with opening, movable cover 7 is hingedly arranged on the inner wall of opening of shell 1.
[0026] When using, through controller 3, the stable use of smith estimated controller can be guaranteed, and shell 1 and connecting plate 2 can guarantee the stable installation of controller 3 and carry out stable protection processing to it, interface 5 can guarantee that controller 3 is directly electrically connected with external equipment, and fan 6 can dissipate heat to controller 3, movable cover 7 can facilitate subsequent opening of shell 1 and dismounting and maintenance of internal controller 3.
[0027] After the continuous heating of controller 3, heat is conducted to bimetallic strip through heat conduction block 8 and heat dissipation fin 9, when temperature is too high, bimetallic strip 10 is bent by heat and can extrude pressure sensor 12, so that control module 11 receives signal and controls alarm 13 to alarm in time, to ensure timely discovery.
[0028] Embodiment two
[0029] Referring to Figures 1-5The top end inner wall of the movable cover 7 is provided with a notch, the movable cover 7 is rotatably provided with a cam 14 on the inner wall of the notch, the inner wall of the casing 1 is provided with a clamping opening, the cam 14 is clamped on the inner wall of the clamping opening, and the top end of the cam 14 is fixedly connected with a handle 15 which extends to the outside of the movable cover 7 through the notch.
[0030] The handle 15 can drive the cam 14 to rotate, so that the movable cover 7 is conveniently fixed and opened.
[0031] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A Smith predictor controller comprising a housing (1), a connection plate (2) and a controller (3), characterized in that: The connecting plate (2) is fixedly arranged on both sides of the shell (1), the controller (3) is fixedly connected in the shell (1), a plurality of interfaces (5) are arranged on the side wall of the shell (1), the plurality of interfaces (5) are electrically connected with the controller (3) respectively, the top end of the controller (3) is fixedly connected with the heat conduction block (8), the top end of the heat conduction block (8) is fixedly connected with a plurality of heat dissipation fins (9), the top end inner wall of the shell (1) is fixedly connected with the bimetallic strip (10), the top end of the shell (1) is provided with the control module (11), the pressure sensor (12) and the alarm (13), the pressure sensor (12) is electrically connected with the control module (11) and the alarm (13) respectively.
2. The Smith predictor controller of claim 1, wherein: The support frame (4) is fixedly connected to the connecting portion of the controller (3) and the shell (1).
3. The Smith predictor controller of claim 1, wherein: An opening is formed in the side wall of the shell (1), and the movable cover (7) is hingedly arranged on the inner wall of the opening.
4. The Smith predictor controller of claim 3, wherein: A recess is formed in the top end inner wall of the movable cover (7), a cam (14) is rotatably arranged on the inner wall of the recess, and a clamping hole is formed in the inner wall of the shell (1).
5. A Smith predictor controller according to claim 4, characterised in that: The top end of the cam (14) is fixedly connected with a handle (15), and the handle (15) extends to the outside of the movable cover (7) through the recess.
6. The Smith predictor controller of claim 1, wherein: The inner wall of the interface (5) is provided with an anti-skid rubber pad (16).