Automatic control instrument with alarm function

Abstract

The utility model belongs to the technical field of automatic control instruments, and discloses an automatic control instrument with an alarm function, which comprises an instrument main body, a cavity is arranged in the instrument main body, a plurality of control buttons are arranged on the instrument main body, and the instrument main body has the alarm function through a buzzer. Through the arranged mounting block, relative circulation between the cavity and external air can be achieved through a plurality of ventilation and heat dissipation holes formed in the surface of the mounting block, so that the air flowing speed can be increased through a heat dissipation mechanism connected to the mounting block, and then the external air penetrates through the ventilation and heat dissipation holes to enter the cavity; and through a dustproof filter screen clamped on the mounting block, dust carried in the external air can be filtered through the dustproof filter screen when the heat dissipation mechanism pumps the external air into the cavity, and the dustproof purpose is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of control instruments, and in particular relates to an automatic control instrument with an alarm function. Background Art

[0002] The control chip in the existing automatic control instrument inputs the signal to the input interface, processes the obtained signal, and then converts the signal to digital-to-analog by the DA module, and then transmits the signal to the signal output port for corresponding operation to achieve the purpose of automatic control. When the automatic control instrument is in use, since the control chip not only processes the obtained signal and then converts it to digital, but also controls the operation of the alarm device, if the program in the automatic control instrument is disordered, it will directly affect the alarm function of the alarm device, causing production accidents.

[0003] The patent with publication number CN204331371U discloses an automatic control instrument with an alarm function, which includes an instrument body, a cover lock is provided on the side of the instrument body, three signal input interfaces, a temperature sensor interface, a pressure sensor and a liquid level sensor interface are provided on the front panel of the instrument body, and three signal output interfaces, a power supply and a buzzer are provided on the rear panel of the instrument body corresponding to the interface of the front panel. The power supply is connected to the power module, and the buzzer is connected to the alarm device. The three signal input interfaces correspond to the signal input interfaces in the circuit board respectively, and the three signal output interfaces correspond to the communication interface and the signal output interface in the circuit board respectively. The temperature sensor interface, the pressure sensor and the liquid level sensor interface correspond to the temperature sensor interface, the pressure sensor and the liquid level sensor interface in the circuit board respectively. The utility model can solve the problems of unstable operation of the control chip and inaccurate alarm in the prior art.

[0004] However, the heat dissipation function of the instrument body in the device is relatively general, and the heat dissipation of the general instrument body is mostly achieved by opening ventilation holes in the outer shell, with general heat dissipation efficiency, and it does not have the corresponding dust-proof function, which easily leads to internal dust accumulation and affects the heat dissipation effect. Summary of the invention

[0005] The purpose of the utility model is to provide an automatic control instrument with an alarm function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic control instrument with an alarm function, comprising an instrument body, a cavity is provided in the instrument body, a plurality of control buttons are arranged on the instrument body, a docking groove connected to the cavity is provided on the instrument body, a mounting block is clamped in the docking groove, a dust filter is inserted in the mounting block, two mutually symmetrical mounting plates are arranged on the mounting block, a heat dissipation mechanism is connected between the two mounting plates, a plurality of through holes are evenly provided in the axial direction of the heat dissipation mechanism, a heat dissipation fan is arranged in the through hole, a buzzer is arranged in the instrument body, a plurality of mutually symmetrical limit strips are arranged on the instrument body, and a plurality of magnets are evenly arranged in the axial direction on the limit strips.

[0007] Preferably, a rotation cavity is provided on the mounting block, a limit cam is rotatably installed in the rotation cavity, and a clamping groove matched with the limit cam is provided on the inner wall of the docking groove.

[0008] Preferably, an adjusting block is installed on the limit cam, and a plurality of anti-slip grooves are evenly arranged on the adjusting block along the circumferential direction.

[0009] Preferably, a plurality of ventilation and heat dissipation holes are provided on the mounting block.

[0010] Preferably, a plug-in slot is provided on the mounting block, and the dust filter is plugged into the plug-in slot.

[0011] Preferably, the heat dissipation mechanism is provided with two grooves which are symmetrical to each other and matched with the mounting plate, and the mounting plate and the heat dissipation mechanism are fixed by fixing bolts.

[0012] Preferably, a threaded hole matched with a fixing bolt is provided on the inner wall of the trough body.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the instrument body can have an alarm function through the provided buzzer, and through the provided mounting block, the relative circulation between the cavity and the outside air can be realized through a plurality of ventilation and heat dissipation holes opened on the surface of the mounting block, so that the air flow speed can be accelerated through the heat dissipation mechanism connected to the mounting block, and then the outside air passes through the ventilation and heat dissipation holes into the cavity, thereby achieving the purpose of dissipating the temperature inside the instrument body, and through the dust-proof filter screen clamped on the mounting block, when the heat dissipation mechanism draws the outside air into the cavity, the dust entrained in the outside air can be filtered through the dust-proof filter screen, thereby achieving the purpose of dust prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of the main body of an automatic control instrument with an alarm function proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of a top view cross-sectional structure of an instrument body of an automatic control instrument with an alarm function proposed by the utility model;

[0017] Figure 3 The utility model proposes an automatic control instrument with alarm function Figure 2 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 The utility model provides a schematic diagram of the side cross-sectional structure of a mounting plate, an instrument body and a mounting block of an automatic control instrument with an alarm function.

[0019] In the figure: 1. Instrument body; 2. Control button; 3. Limiting strip; 4. Magnet; 5. Cavity; 6. Heat dissipation mechanism; 7. Mounting block; 8. Dust filter; 9. Through hole; 10. Ventilation and heat dissipation hole; 11. Docking slot; 12. Cooling fan; 13. Rotating cavity; 14. Slot; 15. Limiting cam; 16. Adjusting block; 17. Threaded hole; 18. Fixing bolt; 19. Mounting plate; 20. Plug slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 , an automatic control instrument with an alarm function, comprising an instrument body 1, a cavity 5 is provided in the instrument body 1, a docking groove 11 connected to the cavity 5 is provided on the instrument body 1, a mounting block 7 is clamped in the docking groove 11, a dust filter 8 is inserted in the mounting block 7, two mutually symmetrical mounting plates 19 are arranged on the mounting block 7, a heat dissipation mechanism 6 is connected between the two mounting plates 19, a plurality of through holes 9 are uniformly provided in the axial direction of the heat dissipation mechanism 6, a heat dissipation fan 12 is arranged in the through hole 9, a buzzer is arranged in the instrument body 1, a plurality of mutually symmetrical limit strips 3 are arranged on the instrument body 1, a plurality of magnets 4 are uniformly arranged in the axial direction on the limit strip 3, and a plurality of control buttons 2 are arranged on the instrument body 1.

[0022] By means of the provided buzzer, the instrument body 1 can have an alarm function, and by means of the provided mounting block 7, the relative circulation between the cavity 5 and the outside air can be achieved through a plurality of ventilation and heat dissipation holes 10 provided on the surface of the mounting block 7, so that the air flow speed can be accelerated through the heat dissipation mechanism 6 connected to the mounting block 7, and then the outside air passes through the ventilation and heat dissipation holes 10 and enters the cavity 5, thereby achieving the purpose of dissipating the temperature inside the instrument body 1, and by means of the dustproof filter 8 clamped on the mounting block 7, when the heat dissipation mechanism 6 draws the outside air into the cavity 5, the dust entrained in the outside air can be filtered through the dustproof filter 8, thereby achieving the purpose of dust prevention.

[0023] Specifically, in this embodiment, a rotation cavity 13 is provided on the mounting block 7 , a limit cam 15 is rotatably installed in the rotation cavity 13 , and a clamping groove 14 matched with the limit cam 15 is provided on the inner wall of the docking groove 11 .

[0024] By arranging the cam and the docking groove 11, when the mounting block 7 is inserted into the docking groove 11, the protruding end of the limiting cam 15 can be inserted into the card groove 14 by rotating the limiting cam 15, thereby realizing the limiting fixation between the mounting block 7 and the instrument body 1.

[0025] Specifically, in this embodiment, an adjusting block 16 is installed on the limiting cam 15 , and a plurality of anti-slip grooves are evenly formed on the adjusting block 16 along the circumferential direction.

[0026] By arranging the adjustment block 16 , the limit cam 15 can be driven to rotate by rotating the adjustment block 16 , and the friction between the hand and the adjustment block 16 can be increased by the anti-slip groove.

[0027] Specifically, in this embodiment, a plurality of ventilation and heat dissipation holes 10 are provided on the mounting block 7 .

[0028] Specifically, in this embodiment, an inserting slot 20 is provided on the mounting block 7 , and the dust filter 8 is inserted into the inserting slot 20 .

[0029] The plug-in slot 20 can facilitate the connection and fixation between the dust filter 8 and the mounting block 7.

[0030] Specifically, in this embodiment, the heat dissipation mechanism 6 is provided with two grooves which are symmetrical to each other and matched with the mounting plate 19 , and the mounting plate 19 and the heat dissipation mechanism 6 are fixed by fixing bolts 18 .

[0031] The arrangement of the grooves facilitates the connection between the heat dissipation mechanism 6 and the two mounting plates 19 , and the mounting plates 19 and the heat dissipation mechanism 6 are fixed by the fixing bolts 18 .

[0032] Specifically, in this embodiment, a threaded hole 17 matched with the fixing bolt 18 is opened on the inner wall of the tank.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic control instrument with an alarm function, comprising an instrument body (1), characterized in that: A cavity (5) is provided in the instrument body (1), a plurality of control buttons (2) are arranged on the instrument body (1), a docking groove (11) communicating with the cavity (5) is provided on the instrument body (1), a mounting block (7) is clamped in the docking groove (11), a dust filter (8) is inserted in the mounting block (7), two mutually symmetrical mounting plates (19) are arranged on the mounting block (7), a heat dissipation mechanism (6) is connected between the two mounting plates (19), a plurality of through holes (9) are uniformly provided on the heat dissipation mechanism (6) along the axial direction, a heat dissipation fan (12) is arranged in the through hole (9), a buzzer is arranged in the instrument body (1), a plurality of mutually symmetrical limit bars (3) are arranged on the instrument body (1), and a plurality of magnets (4) are uniformly arranged on the limit bars (3) along the axial direction.

2. The automatic control instrument with alarm function according to claim 1, characterized in that: The mounting block (7) is provided with a rotation cavity (13), a limit cam (15) is rotatably mounted in the rotation cavity (13), and a clamping groove (14) adapted to the limit cam (15) is provided on the inner wall of the docking groove (11).

3. The automatic control instrument with alarm function according to claim 2, characterized in that: An adjustment block (16) is mounted on the limit cam (15), and a plurality of anti-slip grooves are evenly arranged on the adjustment block (16) along the circumferential direction.

4. The automatic control instrument with alarm function according to claim 1, characterized in that: The mounting block (7) is provided with a plurality of ventilation and heat dissipation holes (10).

5. The automatic control instrument with alarm function according to claim 1, characterized in that: The mounting block (7) is provided with an inserting slot (20), and the dust filter (8) is inserted into the inserting slot (20).

6. The automatic control instrument with alarm function according to claim 1, characterized in that: The heat dissipation mechanism (6) is provided with two grooves which are symmetrical to each other and are adapted to the mounting plate (19); the mounting plate (19) and the heat dissipation mechanism (6) are fixed by fixing bolts (18).

7. The automatic control instrument with alarm function according to claim 6, characterized in that: A threaded hole (17) adapted to fit a fixing bolt (18) is provided on the inner wall of the trough body.

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