CN217893958U

CN217893958U - Food and beverage rubbish integration categorised collection device

Info

Publication number: CN217893958U
Application number: CN202222089930.1U
Authority: CN
Inventors: 聂小琴; 邓凯丽; 舒天楚; 李旭; 郭含文; 白彬杰
Original assignee: China Urban Construction Design and Research Institute Co Ltd
Current assignee: China Urban Construction Design and Research Institute Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-25
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a food and beverage rubbish integration categorised collection device, the device includes: the kitchen waste storage barrel is used for collecting kitchen waste; the first feeding opening is arranged above the kitchen garbage storage barrel; the solid-liquid separation device is arranged between the kitchen waste storage barrel and the first feeding port and is used for separating solid kitchen waste and liquid kitchen waste; the other garbage storage barrel is used for collecting other garbage except kitchen garbage; the second throwing port is arranged above other garbage storage barrels; and the compression device is arranged right above the other garbage storage barrels and is used for compressing the other garbage. The utility model has the advantages that: the kitchen garbage is separated into solid kitchen garbage and liquid kitchen garbage through the solid-liquid separation device, the subsequent treatment of the garbage is convenient to treat, the compression device is used for compressing the other garbage, the size of the other garbage is greatly reduced, the garbage reduction is realized, and the subsequent treatment is facilitated.

Description

Food and beverage rubbish integration categorised collection device

Technical Field

The utility model relates to a refuse treatment technical field particularly, relates to a food and beverage rubbish integration classification collection device.

Background

Generally, in public areas with dense personnel, such as office buildings, dormitories of colleges and universities, a large amount of take-out garbage is generated, and the take-out garbage mainly comprises packing boxes and residual food. The existing takeaway garbage collection mode is mainly realized by arranging a kitchen garbage can and a plurality of other garbage cans or uniformly stacking the garbage cans and the garbage cans to be classified by cleaners. The kitchen garbage has the characteristics of high water content and easy decay, and gases containing asphyxiating malodorous components such as ammonia gas, hydrogen sulfide, mercaptan and the like are easily generated during temporary storage; extranal packing cutlery box is bulky, needs the more other garbage bins of configuration just can satisfy stacking of extranal packing cutlery box, has taken a large amount of public spaces. Based on the setting of current garbage bin, can cause very big inconvenience to the input of takeaway rubbish, lead to the confusion of takeaway rubbish to put in and stack at will, current rubbish from cooking bucket does not have airtight or deodorant function moreover, can't effectively stop the gas and give off, seriously influences public area's sanitation.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a can realize that takeaway rubbish classification puts in, the rubbish solid-liquid separation in kitchen, the integration waste classification collection device of functions such as cutlery box rubbish compression, accomplishes the categorised of becoming more meticulous to the clean health of takeaway rubbish, does benefit to subsequent processing.

In order to achieve the purpose, the utility model provides an integrated classified collection device for food waste, which comprises a box body, wherein a kitchen waste collection area and other waste collection areas are arranged in the box body;

the kitchen waste collecting area is provided with: the kitchen waste storage barrel is used for collecting kitchen waste and comprises a solid kitchen waste storage barrel and a liquid kitchen waste storage barrel; the first feeding opening is arranged above the kitchen garbage storage barrel; the solid-liquid separation device is arranged between the kitchen waste storage barrel and the first feeding port and is used for separating solid kitchen waste and liquid kitchen waste;

the other garbage collecting area is provided with: other garbage bins for collecting other garbage than the kitchen garbage; the second throwing port is arranged above the other garbage storage barrels; and the compression device is arranged right above the other garbage storage barrels and is used for compressing the other garbage.

As a further improvement of the present invention, the solid-liquid separation device includes a filter screen conveyor belt, a rotating shaft and a driving motor, the rotating shaft is rotatably fixed on the side wall of the box body, the driving motor drives the rotating shaft to rotate, and the rotating shaft drives the filter screen conveyor belt to rotate; the liquid kitchen waste bin is arranged under the filter screen conveyor belt, the transmission end of the filter screen conveyor belt is provided with the solid kitchen waste bin, kitchen waste passes through the solid-liquid separation device, the liquid kitchen waste enters the liquid kitchen waste bin, and the solid kitchen waste enters the solid kitchen waste bin.

As the utility model discloses the further improvement, compressor arrangement includes compression board and electric push rod, the lower extreme of electric push rod is connected the compression board, the upper end of electric push rod with the top of box is connected, the electric push rod promotes the compression board is right other rubbish compresses.

As the utility model discloses further improve, other rubbish storage barrel include flexible bung, flexible bung is fixed the bung hole of other rubbish storage barrels.

As the utility model discloses the further improvement, flexible bung includes tertiary expansion plate, motor and fixing device, fixing device fixes the bung hole of other rubbish storage barrel, tertiary expansion plate is installed fixing device is last, motor drive tertiary expansion plate horizontal motion.

As a further improvement, the device further comprises a first sensing device, a second sensing device and a third sensing device, the first sensing device is arranged above the solid kitchen garbage can, the second sensing device is arranged above the liquid kitchen garbage can, the third sensing device is arranged above the other garbage storage cans, and the first sensing device, the second sensing device and the third sensing device are used for sensing whether the garbage can is filled with garbage or not.

As a further improvement, the device further comprises a functional area, the functional area is equipped with deodorizing device, deodorizing device sets up and is being located surplus rubbish storage bucket top in the kitchen on the box, deodorizing device includes active carbon device and exhaust fan, correspond on the box exhaust fan's position is provided with the exhaust hole.

As the utility model discloses further improve, the device still includes the controller, the controller is used for control solid-liquid separation equipment with compressor arrangement works according to the settlement mode.

As the utility model discloses further improve, the device still includes human induction system, first electronic shield door and second electronic shield door, human induction system sets up on the outer wall of box and with the controller is connected, first electronic shield door sets up first input mouth, is used for sealing first input mouth, second electronic shield door sets up second input mouth, is used for sealing the second input mouth, first electronic shield door with second electronic shield door all with the controller is connected, the controller is received human induction system's signal and control first electronic shield door with the switching of second electronic shield door.

As the utility model discloses further improve, the device still includes voice prompt device, voice prompt device with the controller is connected, controller control voice prompt device carries out operation suggestion, the garbage bin is full load with suggestion, operating condition suggestion and warning suggestion.

As the utility model discloses the further improvement, the device still includes wireless communication module, through wireless communication module sends the prompt message to mobile terminal.

The utility model has the advantages that: carry out the processing of pertinence through setting up solid-liquid separation equipment and compressor arrangement in garbage collection device to the rubbish of different characteristics, solid-liquid separation equipment advances to separate the rubbish from cooking for rubbish from cooking and rubbish from cooking of solid and liquid, makes things convenient for the subsequent processing of refuse disposal, and compressor arrangement is used for the compression other rubbish reduces the size of other rubbish greatly, reduces the garbage collection space, also can increase the storage capacity of other rubbish, accomplishes rubbish minimizing, does benefit to subsequent processing, has avoided stacking at will of other rubbish because of the space is not enough and leads to, has also avoided frequently changing the garbage bin. Meanwhile, the device has the advantages of good sealing performance, small occupied area, comprehensive functions, suitability for multiple scenes and high practicability.

Thereby adsorb volatile gaseous effect that reaches deodorization through deodorizing device, can effectively get rid of the peculiar smell of depositing rubbish in-process and producing, reduce the gaseous emission of harm, effectively protect sanitation and people's healthy.

Through induction system and controller, the automatic monitoring garbage bin state when the bucket is full, provides the staff and changes and store the bucket, reduces the manpower consumption. Meanwhile, the throwing port is automatically opened and closed, improper operation is avoided, and the safety is high.

Drawings

FIG. 1 is a schematic top view of the integrated food waste sorting and collecting device of the present invention;

fig. 2 is a schematic front view of the structure of the integrated food waste classification and collection device of the present invention.

In the figure: 1. a box body; 2. a liquid kitchen waste bin; 3. a solid kitchen waste bin; 4. other trash holding bins; 5. a filter screen conveyor belt; 6. a rotating shaft; 7. a drive motor; 8. a compression plate; 9. an electric push rod; 10. a first sensing device; 11. a second sensing device; 12. a third sensing device; 13. a controller; 14. a telescopic barrel cover; 15. a deodorizing device; 16. a first input port; 17. and a second input port.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

It should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. used in the present invention are only for convenience of description and simplification of description based on the directions or positional relationships shown in the drawings, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. 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.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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.

The food waste integrated classifying and collecting device provided by the embodiment of the utility model comprises a box body 1, as shown in fig. 1-2, a kitchen waste collecting area and other waste collecting areas are arranged in the box body 1; the kitchen garbage collecting area is provided with: the kitchen waste storage barrel comprises a solid kitchen waste storage barrel 3 and a liquid kitchen waste storage barrel 2 and is used for collecting kitchen waste; the first feeding port 16 is arranged above the kitchen waste storage barrel, and kitchen waste is fed onto the solid-liquid separation device through the first feeding port 16; the solid-liquid separation device is arranged between the kitchen waste storage barrel and the first feeding port 16, and separates the kitchen waste fed from the first feeding port 16 into solid kitchen waste and liquid kitchen waste. The kitchen garbage is separated into solid kitchen garbage and liquid kitchen garbage through the solid-liquid separation device, the subsequent treatment of the garbage is convenient to treat, the liquid kitchen garbage can be transported nearby into a sewage channel which is discharged after wastewater treatment, the solid kitchen garbage can be intensively treated on site or transported to a fixed-point treatment plant through a transport vehicle for treatment, the garbage is classified and collected when being thrown, and the subsequent garbage treatment flow is greatly reduced.

The other garbage collecting areas are provided with: other garbage storage barrels 4, a second feeding opening 17 and a compression device, wherein the other garbage storage barrels 4 are used for collecting other garbage besides kitchen garbage, and the other garbage comprises disposable meal box tableware, packaging bags, beverage cups and the like; the second throwing port 17 is arranged above other garbage storage barrels 4, and other garbage is thrown into the other garbage storage barrels 4 from the second throwing port 17; the compression device is arranged right above the other garbage storage barrels 4 and is used for compressing other garbage; compress other rubbish through compressor arrangement, the volume that reduces other rubbish that can be very big accomplishes rubbish minimizing, does benefit to subsequent processing, avoids piling up at will because garbage bin storage space is not enough and lead to, reduces other rubbish and occupies public space, promotes sanitation, reduces sanitation personnel's work load.

In an alternative embodiment, the solid-liquid separation device of the device comprises a filter screen conveyor belt 5, a rotating shaft 6 and a driving motor 7, wherein the rotating shaft 6 is rotatably fixed on the inner wall of the box body 1, the driving motor 7 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the filter screen conveyor belt 5 to move, which can be rotating or reciprocating, preferably rotating; liquid kitchen waste garbage bin 2 is arranged under filter screen conveyer belt 5, solid kitchen waste garbage bin 3 is arranged at the transmission tail end of filter screen conveyer belt 5, after kitchen waste passes through the solid-liquid separation device, the liquid kitchen waste garbage enters liquid kitchen waste garbage bin 2, and the solid kitchen waste garbage enters solid kitchen waste garbage bin 3. As shown in fig. 1 and 2, the left side of the device is provided with a liquid kitchen waste bin 2, the right side of the liquid kitchen waste bin 2 is provided with a solid kitchen waste bin 3, the solid-liquid separation device is arranged above the liquid kitchen waste bin 2 and the solid kitchen waste bin 3, most of the filter screen conveyor belt 5 is arranged above the liquid kitchen waste bin 2, the liquid kitchen waste bin 2 is favorably and completely falls into the liquid kitchen waste bin, the filter screen conveyor belt 5 moves from left to right under the driving of the driving motor 7 and the rotating shaft 6, and when the solid kitchen waste bin moves to the rightmost end (namely, the transmission end of the filter screen conveyor belt). The solid kitchen waste falls into the solid kitchen waste garbage can 3 under the action of gravity, so that the solid kitchen waste and the liquid kitchen waste are separated. The filter screen conveyer belt 5 can be selected from filter screen conveyer belts with mesh hole diameters of 1.5-2.5 mm, the solid-liquid separation device adopts a mode of the conveyer belt and the filter screen to carry out solid-liquid separation, the structure is simple, and the separation effect is good. Can well realize solid-liquid separation from the source, reduce the treatment procedure of kitchen garbage and reduce the garbage treatment cost.

An optional implementation mode, the compression device of the device includes compression board 8 and electric push rod 9, compression board 8 is connected to the lower extreme of electric push rod 9, and the upper end of electric push rod 9 is connected with the top of box 1, and electric push rod 9 promotes compression board 8 and compresses other rubbish. The compression device adopts the electric push rod 9 for compression, specific sizes and parameters can be reasonably selected according to the design size of the device, the electric push rod 9 can be designed into electric push rods 9 with different thrusts according to different application loads, the maximum thrust can reach 6000N generally, the no-load running speed is 4-35 mm/s, and the electric push rod 9 takes a 24V/12V direct current permanent magnet motor as a power source to convert the rotary motion of the motor into linear reciprocating motion. The electric push rod 9 can realize free extension of the rod, is low in price, energy-saving and environment-friendly, basically has no easily damaged parts, and is high in practicability. Drive compression board 8 through electric putter 9 and compress other rubbish, very big reduction the rubbish size, increase the rubbish collection volume in the garbage bin in the unit area. The compression device can be manually started through a specially arranged button, and can also be automatically controlled through a controller. During manual control, other rubbish is put into other rubbish storage bucket 4 through second input port 17 in, presses the start button, and compressor arrangement accomplishes a compression action, realizes the compression to other rubbish.

The utility model provides an optional embodiment, other garbage storage bucket include flexible bung 14, flexible bung 14 is fixed at the bung hole of other garbage storage bucket 4, flexible bung 14 can seal other garbage storage bucket 4 on the one hand, on the other hand can realize compressing other rubbish at flexible bung 4, after the compression is accomplished, flexible bung 14 is automatic to be opened, other rubbish after the compression automatically falls into other garbage storage bucket 4 in, in order to avoid other rubbish landing from flexible bung, can add the baffle around flexible bung. Compress on flexible bung 14, can reduce compressor arrangement's size, the length of electric push rod 9 only need reach flexible bung 14 can, need not stretch into other garbage storage bucket 4 again in, compress on flexible bung 14 moreover and better in the compression effect of compressing in the bucket, the compression volume is bigger.

Optionally, the retractable barrel cover 14 includes a third-stage retractable plate, a motor and a fixing device, the fixing device is fixed at the opening of the other garbage storage barrel 4, the third-stage retractable plate is installed on the fixing device, and the motor drives the third-stage retractable plate to move horizontally. As shown in fig. 1 and 2, the rightmost side of the box body 1 is provided with other garbage storage barrels 4, the top parts of the other garbage storage barrels 4 are provided with telescopic barrel covers 14, and compression devices are arranged right above the other garbage storage barrels 4. Other rubbish drops into through second input port 17, and tertiary expansion plate is in the extension state this moment, and other rubbish drops on tertiary expansion plate, and compressor arrangement's electric push rod 9 extension compresses downwards, with other rubbish compression, and the tertiary expansion plate shortens after the compression, and other rubbish of compression drop in other rubbish storage bucket 4, and the extension state is resumeed to tertiary expansion plate afterwards. The three-stage expansion plate can save the installation space and further reduce the size of the device; and adopt tertiary expansion plate, tertiary expansion plate has better rigidity when being in the extension state, can bear compressor arrangement's pressure, and when tertiary expansion plate was in the state of shortening, certain degree of opening can be guaranteed, and the rubbish after the convenient compression gets into in the garbage bin.

An optional implementation manner, the device further includes a first sensing device 10, a second sensing device 11 and a third sensing device 12, as shown in fig. 2, the liquid kitchen garbage can 2, the solid kitchen garbage can 3 and other garbage storage cans 4 are sequentially arranged in the box 1 from left to right, the first sensing device 10 is arranged above the solid kitchen garbage can 3, the second sensing device 11 is arranged above the liquid kitchen garbage can 2, and the third sensing device 12 is arranged above the other garbage storage cans 4. First induction system 10, second induction system 11 and third induction system 12 for example accessible screw fixation are on the upper portion of corresponding garbage bin to whether the response corresponding garbage bin is full, when detecting the bucket and being full, send full load and remind and inform the staff to change and store the bucket, reduce manpower consumption.

An optional implementation mode, the device still includes the functional area, and the functional area of the device is equipped with deodorizing device 15, and deodorizing device 15 sets up on the box that is located kitchen garbage storage bucket top, and deodorizing device 15 includes active carbon device and exhaust fan, and the position that corresponds exhaust fan on the box is provided with the exhaust hole, and exhaust hole accessible exhaust duct and special exhaust passage switch-on will handle the exhaust-gas discharge after. The active carbon has the function of absorbing volatile gas to deodorize, can effectively remove peculiar smell generated in the process of storing garbage, reduces the emission of harmful gas, and effectively provides environmental quality.

In an alternative embodiment, the apparatus further comprises a controller 13, and the controller 13 is configured to control the solid-liquid separation device and the compression device to operate in a set manner. For example, when garbage is thrown into the solid-liquid separator, the solid-liquid separator starts to operate, and when solid kitchen garbage leaves the solid-liquid separator, the operation is suspended; when other garbage is thrown into the other garbage storage barrel 4, the compression device is started to complete one compression action and then returns to the original position. The controller 13 can also be used for controlling the solid-liquid separation device and the compression device to operate at high operating frequency in a timing mode during the peak period of putting garbage. Automatic control is realized through the controller 13, improper operation is avoided, and safety is improved.

The utility model provides an optional implementation mode, the device still include human induction system, first electronic shield door and second electronic shield door, and human induction system sets up on the outer wall of box and is connected with the controller, and first electronic shield door sets up at first input port 16 for seal first input port 16, second electronic shield door sets up at second input port 17 for seal second input port 17, through setting up first electronic shield door and second electronic shield door, improves the leakproofness and the security of device, and first electronic shield door and second electronic shield door all are connected with controller 13, and controller 13 receives the signal of human body sensing device and controls the switching of first electronic shield door and second electronic shield door. The induction range of the human body induction device is set according to actual conditions, ineffective induction is reduced, when the human body induction device induces that people put garbage in, the controller 13 controls to open the first electronic shielding door and the second electronic shielding door, after the garbage is put in, the first electronic shielding door and the second electronic shielding door are closed, the controller 13 controls to start the solid-liquid separation device and the compression device to work, and the solid-liquid separation device and the compression device do not work before the first electronic shielding door and the second electronic shielding door are not closed. The action of throwing in rubbish is separated from the work inside the device through the first electronic shielding door and the second electronic shielding door, and the safety of the device is improved. First electronic shield door and second electronic shield door accessible electric telescopic handle are opened, and first electronic shield door and second electronic shield door's structure is the same, and use first electronic shield door as an example, the upper end of first electronic shield door is connected with the upper portion of first input port 16, and electric telescopic handle connects first electronic shield door and first input port 16, and electric telescopic handle is connected with the controller, thereby the controller realizes the switching of first electronic shield door through control electric telescopic handle's flexible.

In an optional implementation mode, the device further comprises a voice prompt device, the voice prompt device is connected with the controller 13, and the controller 13 controls the voice prompt device to perform operation prompt, full-load prompt of the garbage can, working state prompt and alarm prompt; for example, an electronic shielding door opening prompt, an electronic shielding door closing prompt, a solid-liquid separation device working prompt, a compression device working prompt, a solid kitchen waste bin 3 full load prompt, a liquid kitchen waste bin 2 full load prompt, other waste storage bins 4 full load prompt, a mechanical failure alarm, and the like.

Furthermore, the device also comprises a wireless communication module, such as a GSM short message module and a WiFi module, when the device is used, an authorized user is bound with the device through the mobile terminal, the mobile terminal bound with the device can receive prompt information sent by the wireless communication module of the device, and preferably, the prompt information is sent through a short message, so that remote reminding is realized.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated food waste classifying and collecting device is characterized by comprising a box body, wherein a kitchen waste collecting region and other waste collecting regions are arranged in the box body;

the other garbage collecting area is provided with: other garbage storage buckets for collecting other garbage than the kitchen garbage; the second throwing port is arranged above the other garbage storage barrels; and the compression device is arranged right above the other garbage storage barrels and is used for compressing the other garbage.

2. The device according to claim 1, wherein the solid-liquid separation device comprises a filter screen conveyor belt, a rotating shaft and a driving motor, the rotating shaft is rotatably fixed on the side wall of the box body, the driving motor drives the rotating shaft to rotate, and the rotating shaft drives the filter screen conveyor belt to move; the kitchen waste collecting device is characterized in that a liquid kitchen waste garbage can is arranged under the filter screen conveyor belt, the transmission tail end of the filter screen conveyor belt is provided with the solid kitchen waste garbage can, kitchen waste passes through the solid-liquid separation device, then the liquid kitchen waste enters the liquid kitchen waste garbage can, and the solid kitchen waste enters the solid kitchen waste garbage can.

3. The device of claim 1, wherein the compressing device comprises a compressing plate and an electric push rod, the lower end of the electric push rod is connected with the compressing plate, the upper end of the electric push rod is connected with the top of the box body, and the electric push rod pushes the compressing plate to compress the other garbage.

4. The apparatus of claim 1, wherein the other trash receptacle includes a retractable lid secured to a mouth of the other trash receptacle.

5. The device of claim 4, wherein the retractable barrel cover comprises a three-stage retractable plate, a motor and a fixing device, the fixing device is fixed on the opening of the other garbage storage barrel, the three-stage retractable plate is mounted on the fixing device, and the motor drives the three-stage retractable plate to move horizontally.

6. The apparatus of claim 1, further comprising a first sensing device, a second sensing device and a third sensing device, wherein the first sensing device is disposed above the solid kitchen waste bin, the second sensing device is disposed above the liquid kitchen waste bin, the third sensing device is disposed above the other waste storage bin, and the first sensing device, the second sensing device and the third sensing device are used for sensing whether the waste bin is full.

7. The device of claim 1, further comprising a functional area, wherein the functional area is provided with a deodorizing device, the deodorizing device is disposed on the box body above the kitchen garbage storage bin, the deodorizing device comprises an activated carbon device and an exhaust fan, and the box body is provided with an exhaust hole corresponding to the exhaust fan.

8. The apparatus of claim 1, further comprising a controller for controlling the solid-liquid separation device and the compression device to operate in a set manner.

9. The device of claim 8, further comprising a human body sensing device, a first electronic shielding door and a second electronic shielding door, wherein the human body sensing device is disposed on an outer wall of the box body and connected to the controller, the first electronic shielding door is disposed at the first input port and used for closing the first input port, the second electronic shielding door is disposed at the second input port and used for closing the second input port, the first electronic shielding door and the second electronic shielding door are both connected to the controller, and the controller receives a signal from the human body sensing device and controls the opening and closing of the first electronic shielding door and the second electronic shielding door.

10. The device of claim 8, further comprising a voice prompt device, wherein the voice prompt device is connected with the controller, and the controller controls the voice prompt device to perform operation prompt, garbage bin full load prompt, working state prompt and alarm prompt.