CN213139917U

CN213139917U - Powder tank with elevation alarm function

Info

Publication number: CN213139917U
Application number: CN202021317679.4U
Authority: CN
Inventors: 王存姐; 潘成; 李吉得
Original assignee: Haidong Jinyuan Commercial Concrete Co Ltd
Current assignee: Haidong Jinyuan Commercial Concrete Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-07
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a powder jar that elevation was reported to police, which comprises a tank body, the jar body on fixed mounting have elevation alarm device, elevation alarm device is including installing the determine module in jar internal upper end and installing the alarm subassembly in the external side of jar, determine module includes detecting element and comparing element, detecting element is used for detecting the internal powder of jar and piles up height and output distance detected signal V1, comparing element is used for receiving distance detected signal V1 and compares with the reference value of predetermineeing in the comparing element, if distance detected signal V1 is less than predetermined reference value then output compared signal V2, alarm subassembly is used for receiving compared signal V2, and send the police dispatch newspaper after receiving compared signal V2, this application has the effect that can in time and effectively remind operating personnel to close tank car powder injection valve.

Description

Powder tank with elevation alarm function

Technical Field

The application relates to the field of concrete mixing equipment, in particular to a powder tank with elevation alarm.

Background

Powder cans are generally used for storing various industrial powders and are one of the common devices in the industry. The conventional powder tank is generally of a cylindrical structure, such as a cylindrical structure or a rectangular parallelepiped structure, and due to the large size, the powder is generally fed into the top of the powder tank through a pipeline by using air pressure, and finally falls into the bottom of the powder tank and is discharged from a discharge hole at the bottom end of the powder tank.

At present, in order to detect the real-time capacity of powder in the powder tank, the powder tank generally has a capacity detection device, the capacity detection device includes the continuous level indicator of locating in the powder tank and locates the inside control system of control room, but this kind of capacity detection device is integrated generally in powder tank corollary equipment, and the powder body is bulky, the control end of general capacity detection device is far away with the charge valve distance of powder tank, if the powder tank is about to be filled with, the controlling personnel fails in time to inform operating personnel to close the tank car powder injection valve, just cause excessive powder easily.

Aiming at the related technologies, the inventor thinks that the defect that the powder injection valve of the tank car cannot be timely and effectively reminded to close is existed.

SUMMERY OF THE UTILITY MODEL

In order to timely and effectually remind operating personnel to close tank car powder injection valve, this application provides the powder jar that elevation was reported to police.

The application provides a powder jar that elevation was reported to police adopts following technical scheme:

the utility model provides a powder jar of elevation warning, which comprises a tank body, the jar body on fixed mounting have elevation alarm device, elevation alarm device is including installing the determine module of jar internal upper end and installing the alarm subassembly in the external side of jar, determine module includes detecting element and comparing element, detecting element is used for detecting the internal powder of jar and piles up height and output distance detected signal V1, comparing element is used for receiving distance detected signal V1 and compares with the predetermined benchmark value in the comparing element, if distance detected signal V1 is less than predetermined benchmark value then output compared signal V2, alarm component is used for receiving compared signal V2, and send out the police dispatch newspaper after receiving compared signal V2.

By adopting the technical scheme, when powder is injected into the tank body, the detection component arranged at the upper end in the tank body can detect in real time, and the distance obtained by detection is the distance between the top surface of the powder in the tank body and the top surface of the inner side of the tank body. When the detected distance is smaller than the preset reference value, the comparison unit outputs a comparison signal V2, thereby causing the alarm device to give an alarm. The benchmark value is set according to the actual conditions of the tank body, so that the alarm device gives an alarm after powder in the tank body reaches a certain height, the elevation alarm device is installed on the tank body, an operator beside the tank body can be timely and effectively reminded to close the powder injection valve of the tank car, and the safety degree is higher.

Preferably, the jar internal installation have the spiral to spill the material device, the spiral spills the material device and installs the rotation section of thick bamboo in the jar internal including rotating, the vertical setting of a rotation section of thick bamboo, fixedly connected with direction spout on the lower extreme of a rotation section of thick bamboo, the slope of direction spout sets up, and the one end that direction spout and a rotation section of thick bamboo are connected highly is higher than the other end of direction spout, is connected with the powder pipe on the jar body, the powder pipe is worn to establish at a rotation section of thick bamboo inboard.

Through adopting above-mentioned technical scheme, spill the material device through being provided with the spiral, when injecting the powder into the jar body, the powder falls into the direction spout along rotating a section of thick bamboo in, and the direction spout constantly rotates under the drive of rotating a section of thick bamboo to the internal powder that pours into of spiral helicine tank, the powder distribution of pouring into the jar internal is more even, is difficult for appearing jar internal powder and piles up the phenomenon of becoming the slope form, fine assurance determine module's precision.

Preferably, the bottom surface of the guide chute is provided with a material sprinkling through groove, and a screen is fixedly arranged in the material sprinkling through groove.

Through adopting above-mentioned technical scheme, after the powder slided into unrestrained material logical inslot along a rotation section of thick bamboo, the powder that some granules are less can follow the screen mesh landing earlier, and the one end landing of a rotation section of thick bamboo can be kept away from the direction spout to the great powder of some granules, can make the unrestrained even of powder, and the difficult jar internal flange powder height that appears is higher, and the phenomenon that middle powder height is lower has further guaranteed determine module's precision.

Preferably, the detection unit includes a distance sensor, and the distance sensor is fixedly mounted on the top surface of the inner side wall of the tank body and is located at the edge of the top surface of the tank body.

Through adopting above-mentioned technical scheme, distance sensor can be simply and quick detect out the distance, easily uses.

Preferably, the comparison unit includes a comparator N1, the distance sensor is connected with the reverse phase of the comparator N1, the comparator N1 is connected with a reference value adjusting unit in the same phase, the reference value adjusting unit includes a variable resistor RP1 and a protection resistor R1, one end of the variable resistor RP1 is connected to VCC voltage, a sliding piece of the variable resistor RP1 is connected with the protection resistor R1, the other end of the protection resistor R1 is grounded, and the comparator N1 in the same phase is connected with a connection point between the sliding piece of the variable resistor RP1 and the protection resistor R1.

By adopting the technical scheme, when the distance sensor detects the powder accumulation height and outputs the voltage u1, the reverse phase of the comparator receives the voltage u1 and compares the voltage with the reference voltage u2 received by the positive phase of the comparator, and if u1 is smaller than u2, the output end of the comparator outputs a high-level signal. By adjusting the variable resistor RP1, the reference voltage u2 of the positive phase of the comparator can be adjusted, so that the comparator can adapt to different working conditions, and the application range is improved.

Preferably, the elevation alarm device comprises a control component, the control component comprises an NPN-type triode Q1, the base of the triode Q1 is connected with the output end of the comparator N1, the collector of the triode Q1 is connected with one end of a first relay KM1, the other end of the first relay KM1 is connected with VCC voltage, the emitter of the triode Q1 is grounded, and the first switch KM1-1 can control the on-off of the alarm component.

By adopting the technical scheme, after the output end of the comparator outputs a high-level signal, the control component receives the signal, the triode Q1 is conducted at the moment, the first relay KM1 is electrified, so that the first switch KM1-1 is subjected to state change, the comparison signal V2 is sent at the moment, and the alarm component sends an alarm after receiving the comparison signal V2.

Preferably, the control assembly further comprises a self-locking unit, wherein the self-locking unit comprises a second relay KM2, a second switch KM2-1, an optical coupler U1 and a reset switch KM 3; the first switch KM1-1 and the second switch KM2-1 are both normally open contacts, the second switch KM2-1 is connected in parallel to the first switch KM1-1, the optical coupler U1 comprises a light emitter and a light receiver, one end of the first switch KM1-1 is connected with VCC voltage, the other end of the first switch KM1-1 is connected with input ends of the light receiver and the light emitter, one end of the second relay KM2 is connected with an output end of the light receiver, the other end of the second relay KM2 is grounded, one end of the reset switch KM3 is connected with an output end of the light emitter, the other end of the reset switch KM3 is grounded, and the reset switch KM3 is a normally closed switch.

By adopting the technical scheme, because the height of the surface of the powder in the tank body is constantly changed during material injection, the powder piled into a slope shape is likely to fall down to cause the height of the surface of the powder to be reduced. By arranging the self-locking unit, when the first switch KM1-1 is closed, the optical coupler U1 is switched on, so that the second relay KM2 is electrified, and the second switch KM2-1 is closed. Because the second switch KM2-1 is connected in parallel with the first switch KM1-1, even if the surface height of the subsequent powder is reduced, the optical coupler U1 is still in an electrified state, thereby achieving the self-locking effect. When the switch needs to be turned off, the reset switch KM3 is turned off to prevent the light emitter from being powered on, so that the optical coupler U1 is powered off, and then the reset switch KM3 is turned on.

Preferably, the alarm assembly comprises a buzzer, an indicator light and a control switch KM2-2, wherein the buzzer, the indicator light and the control switch KM2-2 are connected in series in a circuit, the control switch KM2-2 is a normally open contact, and when the second relay KM2 is electrified, the control switch KM2-2 is closed.

By adopting the technical scheme, when the second relay KM2 is powered on, the control switch KM2-2 is closed, so that the buzzer and the indicator lamp are powered on, and alarm sound and warning light are emitted, thereby well reminding workers to close the powder injection valve of the tank car and preventing the powder overflow.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the powder injection valve of the tank car can be timely and effectively reminded to close by an operator;

2. the phenomenon that powder in the tank body is accumulated into a slope is not easy to occur, and the precision of the detection assembly is well guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of a spiral sprinkling device.

Fig. 3 is a circuit diagram of the elevation warning device.

Description of reference numerals: 1. a tank body; 11. an installation port; 2. a spiral material sprinkling device; 21. a bearing; 22. a rotating cylinder; 221. a guide chute; 222. a material spraying through groove; 223. screening a screen; 23. rotating the gear ring; 24. a drive motor; 25. a drive gear; 26. a mounting frame; 27. a powder pipe; 3. an elevation alarm device; 31. a detection component; 311. a detection unit; 312. a comparison unit; 313. a reference value adjusting unit; 32. a control component; 321. a control unit; 322. a self-locking unit; 33. an alarm component; 331. a buzzer; 332. an indicator light; 4. a distance sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses powder jar that elevation was reported to police. Referring to fig. 1 and 2, the tank comprises a tank body 1, wherein a mounting opening 11 is formed in the top surface of the tank body 1, and a spiral material sprinkling device 2 is installed in the mounting opening 11. The spiral sprinkling device 2 comprises a bearing 21 fixedly installed in the installation opening 11, a vertically-arranged rotating cylinder 22 is fixedly installed in the bearing 21, a rotating gear ring 23 is fixedly installed on the outer side wall of the rotating cylinder 22, and one toothed side of the rotating gear ring 23 is located on the outer side surface of the rotating gear ring 23. A driving motor 24 is fixedly arranged on the top surface of the tank body 1, a driving gear 25 is arranged on an output shaft of the driving motor 24, and the driving gear 25 is meshed with the rotating gear ring 23. The top surface of the tank body 1 is fixedly provided with an installation frame 26, the rotary cylinder 22 is positioned at the lower side of the installation frame 26, the installation frame 26 is detachably and fixedly provided with a powder pipe 27, and the powder pipe 27 is arranged at the inner side of the rotary cylinder 22 in a penetrating way. The lower end of the rotary cylinder 22 is welded with a guide chute 221. The guide sliding groove 221 is obliquely arranged, and one end of the guide sliding groove 221 with a high height is fixedly connected with the lower end of the rotary cylinder 22. A spreading groove 222 is formed in the bottom surface of the inner side of the guide chute 221, and a screen 223 is fixedly installed in the spreading groove 222.

Referring to fig. 2 and 3, an elevation alarm device 3 is fixedly mounted on the tank 1, the elevation alarm device 3 includes a detection assembly 31 mounted at the upper end of the interior of the tank 1, and the detection assembly 31 includes a detection unit 311 and a comparison unit 312. The detection unit 311 includes a distance sensor 4, and the distance sensor 4 is fixedly installed on the top surface of the inner side wall of the tank body 1 and located at the edge of the top surface. The distance sensor 4 is used for detecting the powder accumulation height in the tank body 1 and outputting a detection signal V1. The comparing unit 312 includes a comparator N1, one end of the distance sensor 4 is connected to the VCC voltage, and the other end is connected to the inverse phase of the comparator N1. The in-phase connection of comparator N1 has reference value regulating unit 313, and reference value regulating unit 313 includes variable resistor RP1, protection resistance R1, and VCC voltage is switched in to one end of variable resistor RP1, and the gleitbretter of variable resistor RP1 is connected with protection resistance R1, and the other end of protection resistance R1 is ground connection, and the in-phase of comparator N1 is connected with the connecting point between the gleitbretter of variable resistor RP1 and protection resistance R1. The size of the variable resistor RP1 can be conveniently adjusted by adjusting the position of the sliding sheet, so that the reference value of the comparator N1 can be adjusted, and the adjustment can be carried out according to the actual size of the tank body 1. When the distance detection signal V1 is smaller than the preset reference value, the output terminal of the comparator N1 outputs the comparison signal V2 with a high level.

Referring to fig. 3, the elevation warning apparatus 3 further includes a control assembly 32, and the control assembly 32 includes a control unit 321 and a self-locking unit 322. The control unit 321 comprises an NPN-type triode Q1, a base of the triode Q1 is connected with an output end of the comparator N1, a collector of the triode Q1 is connected with one end of the first relay KM1, the other end of the first relay KM1 is connected with VCC voltage, and an emitter of the triode Q1 is grounded. The self-locking unit 322 includes a second relay KM2, a second switch KM2-1, an opto-coupler U1, and a reset switch KM 3. The first switch KM1-1 is a normally open contact, and the second switch KM2-1 is also a normally open contact and is connected in parallel to the first switch KM 1-1. One end of the first switch KM1-1 is connected with VCC voltage, one ends of a light emitter and a light receiver of the optocoupler U1 are connected with the other end of the first switch KM1-1, the other end of the light emitter is connected with a reset switch KM3, the other end of the reset switch KM3 is grounded, and the reset switch KM3 is a normally closed switch. The other end of the light receiver is connected to one end of a second relay KM2, and the other end of the second relay KM2 is grounded. After the triode Q1 receives the high-level comparison signal V2, the triode Q1 is turned on, so that the first relay KM1 is turned on, the optocoupler U1 is powered, the second relay KM2 is powered, and the second switch KM2-1 is turned on. Because the height of the powder surface in the tank body 1 is constantly changed during material injection, the powder piled up in a slope shape may fall down to cause the height of the powder surface to be reduced. Through being provided with self-locking unit 322, even follow-up powder surface height descends, make first relay KM1 not electrified, opto-coupler U1 still is in the state of being electrified to reach the effect of auto-lock. When the switch needs to be turned off, the reset switch KM3 is turned off to prevent the light emitter from being powered on, so that the optical coupler U1 is powered off, and then the reset switch KM3 is turned on.

Referring to fig. 2 and 3, the elevation warning apparatus 3 further includes an alarm unit 33 installed at the outside of the tank 1, and the alarm unit 33 includes a buzzer 331, an indicator lamp 332, and a control switch KM 2-2. One end of the control switch KM2-2 is connected with VCC voltage, the other end of the control switch KM2-2 is connected with the buzzer 331, the other end of the buzzer 331 is connected with the indicator lamp 332, and the other end of the indicator lamp 332 is grounded. When the second relay KM2 is powered on, the control switch KM2-2 is closed, so that the buzzer 331 and the indicator lamp 332 are powered on, and alarm sound and alarm light are emitted, thereby well reminding workers to close the powder injection valve of the tank car and preventing powder overflow.

The implementation principle of the powder tank with elevation alarm in the embodiment of the application is as follows: the detection component 31 arranged at the upper end inside the tank body 1 can detect in real time, and the detected distance is the distance between the top surface of the powder inside the tank body 1 and the top surface of the inner side of the tank body 1. When the detected distance is smaller than the preset reference value, the comparison unit 312 outputs a comparison signal V2, thereby causing the alarm device to issue an alarm. And once triggered the alarm, just can remove the alarm after disconnection reset switch KM3, can be after the powder in jar body 1 reaches certain height, in time and effectual warning lie in jar operation personnel of 1 side close tank car powder injection valve, the degree of safety is higher.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a powder jar that elevation was reported to police, includes jar body (1), its characterized in that: the utility model discloses a high-altitude monitoring device, including jar body (1), jar body (1) on fixed mounting have elevation alarm device (3), elevation alarm device (3) are including installing detection element (31) at the inside upper end of the jar body (1) and installing alarm component (33) in the jar body (1) outside, detection element (31) include detecting element (311) and comparing element (312), detecting element (311) are used for detecting the powder accumulational height in the jar body (1) and output distance detection signal V1, comparing element (312) are used for receiving distance detection signal V1 and compare with the reference value that predetermines in comparing element (312), if distance detection signal V1 is less than predetermined reference value then output comparison signal V2, alarm component (33) are used for receiving comparison signal V2 to send out the police dispatch newspaper after receiving comparison signal V2.

2. The level alarming powder tank of claim 1, wherein: the jar body (1) in install spiral and spill material device (2), spiral spills material device (2) including rotating rotary drum (22) of installing in jar body (1), rotary drum (22) vertical setting, fixedly connected with direction spout (221) on the lower extreme of rotary drum (22), direction spout (221) slope sets up, and the one end that direction spout (221) and rotary drum (22) are connected highly is higher than the other end of direction spout (221), be connected with powder pipe (27) on jar body (1), powder pipe (27) are worn to establish at rotary drum (22) inboard.

3. The level alarming powder tank of claim 2, wherein: a material spraying through groove (222) is formed in the bottom surface of the guide sliding groove (221), and a screen (223) is fixedly installed in the material spraying through groove (222).

4. The level alarming powder tank of claim 1, wherein: the detection unit (311) comprises a distance sensor (4), wherein the distance sensor (4) is fixedly installed on the top surface of the inner side wall of the tank body (1) and is located at the edge of the top surface of the tank body (1).

5. The level alarming powder tank of claim 4, wherein: the comparison unit (312) comprises a comparator N1, the distance sensor (4) is connected with the reverse phase of the comparator N1, the in-phase of the comparator N1 is connected with a reference value adjusting unit (313), the reference value adjusting unit (313) comprises a variable resistor RP1 and a protective resistor R1, one end of the variable resistor RP1 is connected with VCC voltage, a sliding piece of the variable resistor RP1 is connected with the protective resistor R1, the other end of the protective resistor R1 is grounded, and the in-phase of the comparator N1 is connected with a connection point between the sliding piece of the variable resistor RP1 and the protective resistor R1.

6. The level alarming powder tank of claim 5, wherein: the elevation alarm device (3) include control assembly (32), control assembly (32) include NPN type triode Q1, triode Q1's base is connected with comparator N1's output, triode Q1's collecting electrode is connected with the one end of first relay KM1, VCC voltage is inserted to the other end of first relay KM1, triode Q1's emitter ground, the opening and closing of controllable alarm subassembly (33) of first switch KM 1-1.

7. The level alarming powder tank of claim 6, wherein: the control assembly (32) further comprises a self-locking unit (322), wherein the self-locking unit (322) comprises a second relay KM2, a second switch KM2-1, an optical coupler U1 and a reset switch KM 3; the first switch KM1-1 and the second switch KM2-1 are both normally open contacts, the second switch KM2-1 is connected in parallel to the first switch KM1-1, the optical coupler U1 comprises a light emitter and a light receiver, one end of the first switch KM1-1 is connected with VCC voltage, the other end of the first switch KM1-1 is connected with input ends of the light receiver and the light emitter, one end of the second relay KM2 is connected with an output end of the light receiver, the other end of the second relay KM2 is grounded, one end of the reset switch KM3 is connected with an output end of the light emitter, the other end of the reset switch KM3 is grounded, and the reset switch KM3 is a normally closed switch.

8. The level alarming powder tank of claim 7, wherein: the alarm assembly (33) comprises a buzzer (331), an indicator lamp (332) and a control switch KM2-2, wherein the buzzer (331), the indicator lamp (332) and the control switch KM2-2 are connected in series in a circuit, the control switch KM2-2 is a normally open contact, and when the second relay KM2 is electrified, the control switch KM2-2 is closed.