CN219718781U - Automatic alarm device for thermal control of thermal power plant - Google Patents

Abstract

The utility model relates to the technical field of automatic alarm devices, and provides an automatic alarm device for thermal control of a thermal power plant, which at least comprises: a body; the dustproof cover comprises a shell and a dustproof net, and the dustproof net is arranged at the top of the shell; the bottom of the shell is provided with an opening, and the shell is arranged at the top of the body through an opening cover; the connecting mechanism comprises a connecting part and a working part, the connecting part is connected with the body, and the working part can fix the shell on the body when the side wall of the shell is inserted into the gap; the cleaning mechanism is arranged at the top of the shell to remove dust on the dust screen. According to the automatic alarm device for thermal control of the thermal power plant, the dust cover is connected with the body in a plug-in mode through the connecting mechanism, and compared with the mode that the dust cover is connected with the body through bolts, the automatic alarm device is simpler to install and detach; moreover, the top of dust cover is provided with clearance mechanism, and its clean portion can clear away the dust on the dust screen, need not to dismantle the dust cover and can carry out the deashing, and it is more convenient to use.

Description

Automatic alarm device for thermal control of thermal power plant

Technical Field

The utility model relates to the technical field of automatic alarm devices, in particular to an automatic alarm device for thermal control of a thermal power plant.

Background

Thermal control of a thermal power plant includes measurement and automatic control of various thermal parameters (e.g., temperature, pressure, liquid level, atmosphere, flow rate, etc.) of a thermal power plant. Thermal measurement is a basic means of checking the thermal process, and automatic control is an important measure to ensure that the thermal equipment maintains an optimal state. The thermal measuring and automatic control instrument is correctly installed and used, so that the working state of thermal equipment can be correctly and timely known and controlled, the safe operation of the equipment is ensured, the yield and quality of glass are improved, the fuel consumption is reduced, and the labor productivity is improved.

Automatic alarm devices are often installed in thermal control systems of thermal power plants, but because dust concentration is large in the thermal power plants, in order to prevent dust from falling on probes of the automatic alarm devices and affecting detection accuracy, a dust cover is usually required to be installed on the top of the automatic alarm devices, the existing dust cover is usually installed on the top of the automatic alarm devices by bolts, and the dust cover is required to be regularly taken down, and then dust intercepted on a cover body is manually cleaned, so that the operation is troublesome, and a plurality of inconveniences are caused for use.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the existing dust cover is usually mounted on the top of the automatic alarm device by bolts, and the dust cover needs to be removed periodically and then the dust intercepted on the cover body is manually cleaned, so that the operation is troublesome, and a plurality of inconveniences are caused for use, thereby providing the automatic alarm device for thermal control of a thermal power plant.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides an automatic alarm device for thermal control of a thermal power plant, which at least comprises: a body; the dustproof cover comprises a shell and a dustproof net, and the dustproof net is arranged at the top of the shell; the bottom of the shell is provided with an opening, and the shell is arranged at the top of the body through the opening cover; the connecting mechanism comprises a connecting part and a working part, wherein the connecting part is connected with the body, a gap for accommodating the shell is formed between the connecting part and the body, and the working part can fix the shell on the body when the side wall of the shell is inserted into the gap; the cleaning mechanism is arranged at the top of the shell, and the cleaning part of the cleaning mechanism is in contact with the dust screen and can move relative to the dust screen so as to clean dust on the dust screen.

Further, the connecting mechanism comprises a side block and a clamping rod; one end of the side block is fixedly connected with the body, and the other end extends towards a direction away from the body so as to form the gap between the side block and the body; the clamping rod can pass through the side block and be at least partially inserted into the side wall of the shell when the side wall of the shell is inserted into the gap.

Further, the connecting mechanism further comprises a fixed cylinder, a clamping plate and a limiting spring; one end of the fixed cylinder is connected with one surface of the side block, which is opposite to the body, and the other end of the fixed cylinder extends towards the direction away from the side block; the clamping rod is slidably inserted into the fixed cylinder; the clamping plate is arranged on the surface of the clamping rod along the circumferential direction of the clamping rod; the limiting spring is sleeved on the clamping rod; the limiting spring and the clamping plate are both positioned in the fixed cylinder, one end of the limiting spring is propped against the clamping plate, the other end of the limiting spring is propped against the inner wall of the fixed cylinder, the limiting spring can provide acting force for forcing the clamping rod to move towards the side block, the clamping plate can limit the stroke range of the clamping rod along the axial direction of the clamping rod, so that the clamping rod can be pulled out from the shell when the limiting spring is in a limiting compression state, and the clamping rod is inserted into the shell when the limiting spring is in a limiting expansion state.

Further, the cleaning mechanism comprises a rotary drum, a hairbrush, a first driving assembly and a second driving assembly; the hairbrush is arranged on the surface of the rotary drum along the circumferential direction of the rotary drum; the first driving assembly and the second driving assembly are connected with the rotary drum, the first driving assembly can drive the rotary drum to move along the length direction of the dust screen, and the second driving assembly can drive the rotary drum to rotate around the axis of the rotary drum.

Further, the first driving assembly comprises a first driving motor, a screw rod, a limiting rod and a fixing plate; the output end of the first driving motor is connected with one end of the screw rod; the screw rod and the limiting rod are arranged on the shell along the axial direction perpendicular to the rotary drum; the screw rod and the limiting rod are both provided with the fixing plate in a sliding manner, wherein the fixing plate sleeved on the screw rod is in threaded connection with the screw rod; the rotary drum is rotatably arranged between the two fixing plates.

Further, the second drive assembly includes a second drive motor; the second driving motor is arranged on one of the fixing plates, and the output end of the second driving motor is connected with the rotary drum.

Further, the screw rod and the limiting rod are both installed at the top of the shell through the fixing block.

Further, a sealing rubber pad is arranged between the shell and the body.

The technical scheme of the utility model has the following advantages:

according to the automatic alarm device for thermal control of the thermal power plant, the dust cover is connected with the body in a plug-in mode through the connecting mechanism, and compared with the mode that the dust cover is connected with the body through bolts, the automatic alarm device is simpler to install and detach; moreover, the top of dust cover is provided with clearance mechanism, and its clean portion can clear away the dust on the dust screen, need not to dismantle the dust cover and can carry out the deashing, and it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an automatic alarm device for thermal control of a thermal power plant in an embodiment of the present utility model;

FIG. 2 is a top view of an automatic alarm device for thermal control of a thermal power plant in an embodiment of the utility model;

FIG. 3 is a cross-sectional view of an automatic alarm device for thermal control of a thermal power plant in an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

1. A body; 2. a side block; 3. a connecting mechanism; 4. a housing; 5. a dust screen; 6. a cleaning mechanism; 31. a fixed cylinder; 32. a clamping rod; 33. a clamping plate; 34. a limit spring; 61. a fixed block; 62. a screw; 63. a screw block; 64. a fixing plate; 65. a rotating drum; 66. a brush; 67. a first driving motor; 68. and a second driving motor.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1 and 3, this embodiment provides an automatic alarm device for thermal control of a thermal power plant, which at least includes: a body 1; the dustproof cover comprises a shell 4 and a dustproof net 5, and the dustproof net 5 is arranged at the top of the shell 4; the bottom of the shell 4 is provided with an opening, and the shell 4 is arranged at the top of the body 1 through the opening cover; the connecting mechanism 3 comprises a connecting part and a working part, the connecting part is connected with the body 1, a gap for accommodating the shell 4 is formed between the connecting part and the body 1, and the working part can lock the shell 4 on the body 1 when the side wall of the shell 4 is inserted into the gap; the cleaning mechanism 6 is arranged at the top of the shell 4, and the cleaning part of the cleaning mechanism 6 is contacted with the dust screen 5 and can move relative to the dust screen 5 so as to remove dust on the dust screen 5.

The automatic alarm device for thermal control of the thermal power plant provided by the embodiment is characterized in that the dust cover is connected with the body 1 in a pluggable manner through the connecting mechanism 3, and compared with the connection by adopting bolts, the automatic alarm device is simpler to install and detach; moreover, the top of dust cover is provided with clearance mechanism 6, and its clean portion can clear away the dust on the dust screen 5, need not to dismantle the dust cover and can carry out the deashing, and it is more convenient to use.

As shown in fig. 4, the connecting mechanism 3 comprises a side block 2 and a clamping rod 32; for example, the side blocks 2 may be disposed on both the left and right side walls of the body 1, the side blocks 2 may be in a Z-shaped structure as a whole, one end of the side block 2 is fixedly connected with the body 1, and the other end extends toward a direction away from the body 1, so as to form a gap between the side block 2 and the body 1. For example, the side block 2 may be provided with a through hole, and both the left and right sides of the housing 4 may be provided with a clamping groove corresponding to the position of the clamping rod 32, where the clamping rod 32 can pass through the through hole on the side block 2 and be at least partially inserted into the clamping groove on the housing 4 when the side wall of the housing 4 is inserted into the gap. At this time, the clip lever 32 connects the dust cover with the body 1.

Wherein, the connecting mechanism 3 also comprises a fixed cylinder 31, a clamping plate 33 and a limit spring 34; one end of the fixed cylinder 31 is connected with one surface of the side block 2 opposite to the body 1, and the other end extends towards a direction away from the side block 2; the clamping rod 32 is slidably inserted into the fixed cylinder 31; the clamping plate 33 is arranged on the surface of the clamping rod 32 along the circumferential direction of the clamping rod 32; the limiting spring 34 is sleeved on the clamping rod 32; the limiting spring 34 and the clamping plate 33 are both positioned in the fixed cylinder 31, one end of the limiting spring 34 is propped against the clamping plate 33, the other end of the limiting spring 34 is propped against the inner wall of the fixed cylinder 31, the limiting spring 34 can provide acting force for forcing the clamping rod 32 to move towards the side block 2, the clamping plate 33 can limit the stroke range of the clamping rod 32 along the axial direction of the clamping rod 32, so that the clamping rod 32 can be pulled out from the shell 4 when the limiting spring 34 is in a limit compression state, and the clamping rod 32 is inserted into the shell 4 when the limiting spring 34 is in a limit expansion state.

As shown in fig. 2, wherein the cleaning mechanism 6 comprises a drum 65, a brush 66, a first drive assembly and a second drive assembly; the drum 65 and the brush 66 serve as cleaning parts of the cleaning mechanism 6, and the brush 66 is provided on the surface of the drum 65 in the circumferential direction of the drum 65; the first drive assembly and the second drive assembly are connected with the rotary drum 65, the first drive assembly can drive the rotary drum 65 to move along the length direction of the dust screen 5, and the second drive assembly can drive the rotary drum 65 to rotate around the axis of the second drive assembly.

Specifically, the first driving assembly includes a first driving motor 67, a screw 62, a stop lever, and a fixing plate 64; the output end of the first driving motor 67 is connected with one end of the screw 62; the screw 62 and the limit rod are arranged on the shell 4 along the axial direction perpendicular to the rotary drum 65; the screw rod 62 and the limiting rod are both provided with a fixed plate 64 in a sliding manner, wherein the fixed plate 64 sleeved on the screw rod 62 is in threaded connection with the screw rod 62; the drum 65 is rotatably disposed between the two fixing plates 64.

For example, the second drive assembly includes a second drive motor 68; a second drive motor 68 is provided on one of the fixed plates 64, and an output end of the second drive motor 68 is connected to the drum 65.

Specifically, four fixing blocks 61 may be provided at the top of the housing 4, two fixing blocks 61 at the front side for mounting the screw 62, and two fixing blocks 61 at the rear side for mounting the stopper rod. For example, two fixing blocks 61 for mounting the screw 62 are provided with through holes whose inner diameters may be slightly larger than the outer diameter of the screw 62 so that the screw 62 can be rotated when inserted into the fixing rod. The through hole on the fixed block 61 for installing the limiting rod can be slightly smaller than the outer diameter of the limiting rod, so that the limiting rod and the fixed block 61 are in interference fit, and the limiting rod cannot move relative to the fixed block 61.

For example, a screw block 63 is screwed on the outer side of the screw 62, a slidable limiting block is arranged on the outer side of the limiting rod, and the position of the limiting block corresponds to the position of the screw block 63.

In addition, the tops of the screw block 63 and the limiting block are both provided with a fixed plate 64, the rotary drum 65 can be installed between the two fixed plates 64 through a bearing, and the outer side of the rotary drum 65 is uniformly provided with a brush 66.

And, the first driving motor 67 may be disposed at the left side of the housing 4, the second driving motor 68 may be disposed on the fixing plate 64 on the stopper at the rear, the output shaft of the first driving motor 67 is connected with the screw 62, and the output shaft of the second driving motor 68 is connected with the shaft center of the drum 65.

So set up, drive the screw block 63 rectilinear motion in the screw rod 62 outside through first driving motor 67, in the motion process, drive the brush 66 in the rotary drum 65 outside through second driving motor 68 and rotate, pivoted brush 66 can clear up dust screen 5 voluntarily, prevents to take place to block up.

Wherein, be provided with the sealed cushion between casing 4 and the body 1. For example, a sealing rubber pad may be provided on the inner side of the housing 4, and the sealing rubber pad is attached to the outer surface of the body 1; the shell 4 can be tightly attached to the body 1 through the arranged sealing rubber pad, so that dust is prevented from entering.

When the dust cover is installed, the clamping rods 32 at the left side and the right side are pulled at first to drive the clamping plates 33 to squeeze the limiting springs 34, so that the clamping plates are in a compressed state, meanwhile, the shell 4 is installed between the gap between the side block 2 and the body 1, the clamping rods 32 are loosened, the clamping rods 32 are pushed to be inserted into the clamping grooves under the elastic force recovery of the limiting springs 34, and the installation between the shell 4 and the body 1 is completed.

When the dust needs to be cleaned, the first driving motor 67 is started to drive the screw rod 62 to rotate, and the limiting block is slidably connected to the outer side of the limiting rod to play a limiting role, so that the screw rod 62 which rotates under the action of the thread rotation pushing force enables the screw rod 63 to move left and right, and the second driving motor 68 is started to drive the hairbrush 66 on the outer side of the rotary drum 65 to rotate while the second driving motor is started to drive the hairbrush 66 on the outer side of the rotary drum 65 to rotate, so that the dust on the surface of the dust screen 5 can be cleaned, and the normal use of the body 1 is effectively guaranteed.

In conclusion, the automatic alarm device for thermal control of the thermal power plant can achieve a good dustproof effect on the automatic alarm device, and can automatically clean dust, so that the using effect is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (8)

1. An automatic alarm device for thermal control of a thermal power plant, comprising at least:

a body;

the dustproof cover comprises a shell and a dustproof net, and the dustproof net is arranged at the top of the shell; the bottom of the shell is provided with an opening, and the shell is arranged at the top of the body through the opening cover;

the connecting mechanism comprises a connecting part and a working part, wherein the connecting part is connected with the body, a gap for accommodating the shell is formed between the connecting part and the body, and the working part can fix the shell on the body when the side wall of the shell is inserted into the gap;

the cleaning mechanism is arranged at the top of the shell, and the cleaning part of the cleaning mechanism is in contact with the dust screen and can move relative to the dust screen so as to clean dust on the dust screen.

2. An automatic alarm device for thermal control of a thermal power plant according to claim 1, wherein,

the connecting mechanism comprises a side block and a clamping rod;

one end of the side block is fixedly connected with the body, and the other end extends towards a direction away from the body so as to form the gap between the side block and the body;

the clamping rod can pass through the side block and be at least partially inserted into the side wall of the shell when the side wall of the shell is inserted into the gap.

3. An automatic alarm device for thermal control of a thermal power plant according to claim 2, wherein,

the connecting mechanism further comprises a fixed cylinder, a clamping plate and a limiting spring;

one end of the fixed cylinder is connected with one surface of the side block, which is opposite to the body, and the other end of the fixed cylinder extends towards the direction away from the side block;

the clamping rod is slidably inserted into the fixed cylinder;

the clamping plate is arranged on the surface of the clamping rod along the circumferential direction of the clamping rod;

the limiting spring is sleeved on the clamping rod;

the limiting spring and the clamping plate are both positioned in the fixed cylinder, one end of the limiting spring is propped against the clamping plate, the other end of the limiting spring is propped against the inner wall of the fixed cylinder, the limiting spring can provide acting force for forcing the clamping rod to move towards the side block, the clamping plate can limit the stroke range of the clamping rod along the axial direction of the clamping rod, so that the clamping rod can be pulled out from the shell when the limiting spring is in a limiting compression state, and the clamping rod is inserted into the shell when the limiting spring is in a limiting expansion state.

4. An automatic alarm device for thermal control of a thermal power plant according to claim 1, wherein,

the cleaning mechanism comprises a rotary drum, a hairbrush, a first driving assembly and a second driving assembly;

the hairbrush is arranged on the surface of the rotary drum along the circumferential direction of the rotary drum;

the first driving assembly and the second driving assembly are connected with the rotary drum, the first driving assembly can drive the rotary drum to move along the length direction of the dust screen, and the second driving assembly can drive the rotary drum to rotate around the axis of the rotary drum.

5. An automatic alarm device for thermal control of a thermal power plant according to claim 4, wherein,

the first driving assembly comprises a first driving motor, a screw rod, a limiting rod and a fixing plate;

the output end of the first driving motor is connected with one end of the screw rod;

the screw rod and the limiting rod are arranged on the shell along the axial direction perpendicular to the rotary drum;

the screw rod and the limiting rod are both provided with the fixing plate in a sliding manner, wherein the fixing plate sleeved on the screw rod is in threaded connection with the screw rod;

the rotary drum is rotatably arranged between the two fixing plates.

6. An automatic alarm device for thermal control of a thermal power plant according to claim 5, wherein,

the second driving assembly comprises a second driving motor;

the second driving motor is arranged on one of the fixing plates, and the output end of the second driving motor is connected with the rotary drum.

7. An automatic alarm device for thermal control of a thermal power plant according to claim 5, wherein,

the screw rod and the limiting rod are all installed at the top of the shell through the fixing block.

8. An automatic alarm device for thermal control of a thermal power plant according to claim 1, wherein,

a sealing rubber pad is arranged between the shell and the body.