CN209889847U - A transport mechanism for powder transportation - Google Patents
A transport mechanism for powder transportation Download PDFInfo
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- CN209889847U CN209889847U CN201920280464.0U CN201920280464U CN209889847U CN 209889847 U CN209889847 U CN 209889847U CN 201920280464 U CN201920280464 U CN 201920280464U CN 209889847 U CN209889847 U CN 209889847U
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Abstract
The utility model relates to a powder transportation field, more specifically say, it relates to a transport mechanism for powder transportation, when aiming at solving pipeline and blockking up, the problem that the staff can't in time discover, and its technical scheme main points are: the device comprises a conveying pipeline for conveying powder, a feed inlet for feeding the powder to the conveying pipeline, and a fan communicated with the conveying pipeline and providing conveying airflow, wherein the conveying pipeline is detachably connected together by a plurality of pipeline units, each pipeline unit is provided with an air pressure sensor for detecting air pressure in the pipeline, a prompter for prompting staff, and a control circuit for controlling the prompter to send different prompts according to the induction signal of the air pressure sensor. The utility model discloses a design of prompting device and baroceptor for can remind the staff when the pipeline internal gas pressure changes, thereby convenient repairing.
Description
Technical Field
The utility model relates to a powder transportation field, more specifically say, it relates to a transmission device for powder transportation.
Background
In the prior art, a conveying pipeline of a powder conveying system is generally a hard material pipeline, and air flow and powder are mixed together and conveyed to a next-stage device from a previous-stage batching device through the flow direction of the conveying pipeline.
However, for some powder with strong adhesion, in the process of pneumatic conveying through the conveying pipeline, a part of powder can adhere to the inner wall of the conveying pipeline to cause blockage of the conveying pipeline, and workers are difficult to monitor the conveying condition of the conveying pipeline, so that once the powder is blocked for a long time, the whole conveying system is greatly damaged, and the service life of the pipeline is shortened.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a transport mechanism for powder transportation through prompting device and baroceptor's design for can remind the staff when the pipeline internal gas pressure changes, thereby convenient repairing.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a transport mechanism for powder transportation, is including the pipeline of carrying the powder, including the feed inlet to the pipeline feed, communicate in pipeline and provide the fan of air delivery flow, wherein pipeline is in the same place by multisection pipeline unit releasable connection, and every section pipeline unit all is equipped with the baroceptor of detection pipeline internal gas pressure, to the prompting device of staff's suggestion, the control circuit who sends different suggestions according to baroceptor's sensing signal control prompting device.
When the fan is used for transmitting airflow, the sensing signal of the air pressure sensor is slightly smaller than the atmospheric pressure because the airflow continuously flows;
when the blockage occurs, the normal atmospheric pressure can be detected by the air pressure sensor between the blocking position and the discharging position;
the air pressure sensor between the blocking position and the fan can detect the air pressure which is further increased on the basis of the atmospheric pressure;
therefore, whether the air pressure sensor is blocked or not can be judged, and the blocked interval can be detected according to the change of different air pressure sensors.
The utility model discloses further set up to: every the prompting device all includes two at least warning lights, and two warning lights are first warning light and second warning light respectively, and first warning light and second warning light send the light of different colours.
The first prompting lamp and the second prompting lamp use different colors of light, and the first prompting lamp is turned on to indicate that the pressure value of the air pressure sensor at the position is larger than that of the air pressure sensor at the non-blocked position, is close to the atmospheric pressure and is positioned between the blocked position and the discharging position; the second prompting lamp is turned on to indicate that the pressure value of the air pressure sensor is larger than the atmospheric pressure and is positioned between the blocking position and the fan.
The utility model discloses further set up to: the fan is communicated with the conveying pipeline through the ventilating pipe, and the working direction of the fan is parallel to the length direction of the conveying pipeline.
The powder is fed by air flow provided by the fan, and the powder is driven by the air flow to move obliquely downwards or obliquely upwards along the length direction of the conveying pipeline.
The utility model discloses further set up to: the control circuit includes:
the detection circuit is coupled with the air pressure sensor to receive the induction signal and send out a detection signal;
the comparison circuit is coupled to the output end of the detection circuit to receive the detection signal and output a comparison signal;
and the execution circuit is coupled with the comparison circuit and controls whether the first prompt lamp and the second prompt lamp are powered or not according to the comparison signal.
By adopting the technical scheme, the detection circuit can process different signals of the air pressure sensor, so that the first prompt lamp and the second prompt lamp are controlled.
The utility model discloses further set up to: the comparison circuit comprises a comparison circuit, a comparator and a comparator,
the first comparison part is coupled to the detection circuit to receive the detection signal, compares the detection signal with a first preset value and outputs a first control signal;
the second comparing part is coupled to the detection circuit to receive the detection signal, and outputs a second control signal after comparing the detection signal with a second preset value.
The first preset value is an atmospheric pressure value in working, and when the first preset value is higher than the atmospheric pressure value in working, the first prompt lamp is powered on;
the second preset value is a normal atmospheric pressure value, and when the normal atmospheric pressure value is exceeded, the second prompt lamp is turned on.
The utility model discloses further set up to: the execution circuit comprises a first execution circuit and a second execution circuit,
the first control part is coupled with the first comparison part to receive a first control signal, and when the sensing signal of the air pressure sensor is higher than a first preset value, the first control part enables the first prompt lamp to be powered on and keeps a powered state;
and the second control part is coupled with the second comparison part to receive a second control signal, and when the sensing signal of the air pressure sensor is greater than a second preset value, the second control part enables the first control part to be powered off and the second prompt lamp to be kept in a power-on state.
By adopting the technical scheme, when the sensing signal of the air pressure sensor is higher than the first preset value, the first prompting lamp continuously works;
when the sensing signal of the air pressure sensor is larger than the second preset value, the situation that the air pressure sensor is located between the blocking position and the fan is shown, the first prompting lamp is powered off, and meanwhile the second prompting lamp is powered on.
The utility model discloses further set up to: the first control unit includes:
a fifth resistor, one end of which is coupled to the first comparing part;
the emitter of the first triode is grounded, and the base of the first triode is coupled to the other end of the fifth resistor;
one end of the sixth resistor is coupled to a connection point of the fifth resistor and the base electrode of the first triode, and the other end of the sixth resistor is coupled to a connection point of the first triode and the ground;
a ninth resistor, one end of which is coupled to the direct current and the other end of which is coupled to the collector of the first triode;
the first relay comprises a coil and a first normally open contact switch, one end of the coil is coupled to a connection point of a ninth resistor and direct current, the other end of the coil is coupled to a connection point of the ninth resistor and a first triode, and the first normally open contact switch is coupled with a first prompting lamp.
Through adopting above-mentioned technical scheme, first control signal switches on first relay to make first normally open contact switch closed, and then make first warning light get electric, carry out work.
The utility model discloses further set up to: the second control section includes a second control section that includes,
a seventh resistor coupled to the second comparing part;
a base electrode of the second triode is coupled with the seventh resistor, and an emitting electrode of the second triode is grounded;
one end of the eighth resistor is coupled to a connection point of the seventh resistor and the base electrode of the second triode, and the other end of the eighth resistor is coupled to a connection point of the second triode and the ground;
the second relay comprises a second normally-open contact switch, a coil and a first normally-closed contact switch, wherein one end of the coil is coupled to direct current, the other end of the coil is coupled to a collector electrode of the second triode, the second normally-open contact switch is coupled to the second prompting lamp, and the first normally-closed contact switch is coupled between the first normally-open switch and the first prompting lamp.
By adopting the technical scheme, the second triode is conducted by the output second control signal, so that the second relay works, the first normally closed contact of the second relay is disconnected, and the first control part does not start the first prompting lamp to work any more; and meanwhile, the second normally open contact switch is closed, so that the second prompting lamp works.
To sum up, the utility model discloses following beneficial effect has:
firstly, through the design of the prompter and the air pressure sensor, the worker can be reminded when the air pressure in the conveying pipeline changes, so that the repair is convenient;
and secondly, through the design of the first prompt lamp and the second prompt lamp, the worker can rapidly know the blocking position, so that the worker can clean the blockage more conveniently.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
fig. 2 is a circuit diagram of the control circuit.
In the figure: 1. a delivery conduit; 11. a piping unit; 2. a feed inlet; 3. an air pressure sensor; 4. a prompter; 5. a vent pipe; 6. a first warning light; 7. a second warning light; 1000. a control circuit; 100. a detection circuit; 200. a comparison circuit; 201. a first comparing section; 202. a second comparing section; 300. an execution circuit; 301. a first control unit; 302. a second control unit; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; A. a first comparator; B. a second comparator; q1, the first triode; q2, the second triode; KM2, a second relay; KM1, a first relay; KM2-1 and a second normally open contact switch; KM2-2, a first normally closed contact switch; KM1-1, first normally open contact switch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The first embodiment is as follows: a transmission mechanism for powder transportation is disclosed, as shown in figure 1, comprising a conveying pipeline 1 for conveying powder, a feed inlet 2 for feeding the conveying pipeline 1, and a fan which is communicated with the conveying pipeline 1 and provides conveying airflow, wherein the conveying pipeline 1 is formed by detachably connecting a plurality of pipeline units 11 together through bolts, each pipeline unit 11 is provided with an air pressure sensor 3 for detecting air pressure in the pipeline, a prompter 4 for prompting workers, and a control circuit 1000 for controlling the prompter 4 to give out different prompts according to sensing signals of the air pressure sensor 3.
The working direction of the fan is parallel to the length direction of the conveying pipeline 1 and is communicated with the conveying pipeline 1 through a ventilation pipe 5. When the fan is used for transmitting airflow, the sensing signal of the air pressure sensor 3 is slightly smaller than the atmospheric pressure because the airflow continuously flows. When the blockage occurs, the air pressure sensor 3 between the blocking position and the discharging position can detect normal atmospheric pressure; the air pressure sensor 3 between the blocking position and the fan can detect the air pressure which is further increased on the basis of the atmospheric pressure because the air flow cannot flow due to blocking and continuously gushes; therefore, whether the pipeline unit is blocked or not can be judged, and the blocked section can be detected according to the change of different air pressure sensors 3, so that the corresponding pipeline unit 11 can be detached and repaired.
The prompting device 4 uses a prompting lamp and selects a striking light source color because the sound of the equipment such as dust transportation is extremely large. Each prompting device 4 comprises at least two prompting lamps, the two prompting lamps are a first prompting lamp 6 and a second prompting lamp 7 (figure 2), and the first prompting lamp 6 and the second prompting lamp 7 emit light with different colors. When the first indicator light 6 is on, it indicates that the pressure value of the air pressure sensor 3 is larger than that in the non-blocking state, is close to the atmospheric pressure, and is positioned between the blocking position and the discharging position. When the second prompting lamp 7 is turned on, the pressure value of the air pressure sensor 3 is larger than the atmospheric pressure and is positioned between the blockage position and the fan. Thereby enabling the staff to determine the jam location according to different lights.
Example two: a conveying mechanism for powder transportation is shown in figures 1 and 2, and is different from the first embodiment in that:
the control circuit 1000 includes a detection circuit 100 coupled to the air pressure sensor 3 for receiving the sensing signal and sending a detection signal, a comparison circuit 200 coupled to the detection circuit 100, and an execution circuit 300 coupled to the comparison circuit 200.
The comparator circuit 200 includes a first comparator 201 and a second comparator 202.
The first comparing part 201 includes a first resistor R1, a second resistor R2, and a first comparator a, wherein one end of the first resistor R1 is coupled to the direct current, the other end of the first resistor R1 is coupled to one end of the second resistor R2, the other end of the second resistor R2 is grounded, the inverting end of the first comparator a is coupled to the connection point of the first resistor R1 and the second resistor R2 to receive a first preset value, the first preset value is an atmospheric pressure value during operation, and when the first preset value is higher than the atmospheric pressure value during operation, the first indicator light 6 is turned on; the positive phase end of the first comparator a is coupled to the air pressure sensor 3 for receiving the detection signal.
The second comparing part 202 includes a third resistor R3, a fourth resistor R4, and a second comparator B, wherein one end of the third resistor R3 is coupled to the dc, the other end of the third resistor R3 is coupled to one end of the fourth resistor R4, the other end of the fourth resistor R4 is grounded, the inverting end of the second comparator B is coupled to the connection point of the third resistor R3 and the fourth resistor R4 to receive a second predetermined value, the second predetermined value is a normal atmospheric pressure value, and when the normal atmospheric pressure value is exceeded, the second comparing part 202 is turned on; the positive phase end of the second comparator B is coupled to the air pressure sensor 3 for receiving the detection signal.
The execution circuit 300 includes a first control unit 301 and a second control unit 302.
The first control part 301 includes a fifth resistor R5, a sixth resistor R6, a first triode Q1, a ninth resistor R9, and a first relay KM1, wherein one end of the fifth resistor R5 is coupled to the output end of the first comparator a, and the other end of the fifth resistor R5 is coupled to the base of the first triode Q1; the collector of the first transistor Q1 is coupled to the second relay KM2, and the emitter of the first transistor Q1 is grounded.
One end of the sixth resistor R6 is coupled to a connection point between the fifth resistor R5 and the base of the first transistor Q1, and the other end of the sixth resistor R6 is coupled to a connection point between the first transistor Q1 and ground.
The ninth resistor R9 has one end coupled to the dc power and the other end coupled to the collector of the first transistor Q1.
The first relay KM1 includes a coil and a first normally open contact switch KM1-1, wherein one end of the coil is coupled to a connection point of a ninth resistor R9 and direct current, the other end of the coil is coupled to a connection point of the ninth resistor R9 and a first triode Q1, and the first normally open contact switch KM1-1 is coupled to the first indicator light 6.
The second control part 302 comprises a seventh resistor R7, an eighth resistor R8, a second triode Q2, a second relay KM2 and a freewheeling diode, wherein one end of the seventh resistor R7 is coupled to one end of the second comparator B, and the other end of the seventh resistor R7 is coupled to the base of the second triode Q2; the collector of the second transistor Q2 is coupled to the second relay KM2, and the emitter of the second transistor Q2 is grounded.
One end of the eighth resistor R8 is coupled to the connection point of the seventh resistor R7 and the base of the second transistor Q2, and the other end is coupled to the connection point of the second transistor Q2 and the ground; the second relay KM2 is coupled to the direct current, the second relay KM2 includes a second normally open contact switch KM2-1 coupled to the second warning light 7, and the other end of the second normally open contact switch KM2-1 is connected to the ground; the second relay KM2 further comprises a first normally closed contact switch KM2-2 coupled between the first normally open contact switch KM1-1 and the first indicator light 6. One end of the freewheeling diode is coupled to a connection point between the second relay KM2 and the collector of the second transistor Q2, and the other end of the freewheeling diode is coupled to a connection point between the second relay KM2 and ground.
The working process is as follows: the air pressure in the conveying pipeline 1 is detected through the air pressure sensor 3, when the air pressure is higher than the air pressure in working, a first control signal is transmitted in the first comparison part 201 through signal processing of the air pressure sensor 3, the first relay KM1 closes the first normally open contact switch KM1-1, so that direct current, the first normally open contact switch KM1-1, the first prompt lamp 6 and the first normally closed contact switch KM2-2 are electrically connected, and finally the first prompt lamp 6 works;
when the air pressure is higher than the standard atmospheric pressure, the second comparison part 202 transmits a second control signal, so that the second relay KM2 is started, the first normally closed contact switch KM2-2 is turned off, and the first indicator light 6 is powered off; meanwhile, the second normally open contact switch KM2-1 is closed, so that the second normally open contact switch KM2-1 is closed, the second prompting lamp 7 is electrically connected, and finally the second prompting lamp 7 works by being grounded.
Claims (8)
1. The utility model provides a transport mechanism for powder transportation which characterized in that: including pipeline (1) of carrying the powder, including feed inlet (2) to pipeline (1) feed, communicate in pipeline (1) and provide the fan of air delivery, wherein pipeline (1) is in the same place by multisection pipeline unit (11) releasable connection, every section pipeline unit (11) all are equipped with baroceptor (3) of detection pipeline internal gas pressure, prompting device (4) to the staff suggestion, control circuit (1000) that send different suggestions according to sensing signal control prompting device (4) of baroceptor (3).
2. The conveying mechanism for powder transportation according to claim 1, wherein: every prompting device (4) all includes two at least warning lights, and two warning lights are first warning light (6) and second warning light (7) respectively, and first warning light (6) and second warning light (7) send the light of different colours.
3. The conveying mechanism for powder transportation according to claim 1, wherein: the fan is communicated with the conveying pipeline (1) through a ventilation pipe (5), and the working direction of the fan is parallel to the length direction of the conveying pipeline (1).
4. The conveying mechanism for powder transportation according to claim 1, wherein: the control circuit (1000) comprises:
the detection circuit (100) is coupled to the air pressure sensor (3) to receive the sensing signal and send out a detection signal;
a comparison circuit (200) coupled to an output of the detection circuit (100) for receiving the detection signal and outputting a comparison signal;
and the execution circuit (300) is coupled with the comparison circuit (200) and controls whether the first prompt lamp (6) and the second prompt lamp (7) are powered or not according to the comparison signal.
5. The conveying mechanism for powder transportation according to claim 4, wherein: the comparison circuit (200) comprises,
a first comparing part (201) coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a first preset value and outputting a first control signal;
the second comparing part (202) is coupled to the detection circuit (100) for receiving the detection signal, comparing the detection signal with a second preset value and outputting a second control signal.
6. The conveying mechanism for powder transportation according to claim 4, wherein: the execution circuit (300) comprises,
the first control part (301) is coupled to the first comparison part (201) to receive a first control signal, and when the sensing signal of the air pressure sensor (3) is higher than a first preset value, the first control part (301) enables the first prompting lamp (6) to be powered on and keeps a powered-on state;
and the second control part (302) is coupled to the second comparison part (202) to receive a second control signal, and when the sensing signal of the air pressure sensor (3) is greater than a second preset value, the second control part (302) enables the first control part (301) to be powered off and enables the second prompting lamp (7) to be kept in a powered-on state.
7. The conveying mechanism for powder transportation according to claim 6, wherein: the first control unit (301) includes:
a fifth resistor (R5) having one end coupled to the first comparing portion (201);
a first triode (Q1), the emitter of which is grounded and the base of which is coupled with the other end of the fifth resistor (R5);
a sixth resistor (R6), one end of which is coupled to the connection point between the fifth resistor (R5) and the base of the first transistor (Q1), and the other end of which is coupled to the connection point between the first transistor (Q1) and ground;
a ninth resistor (R9) having one end coupled to the dc power and the other end coupled to the collector of the first transistor (Q1);
the first relay (KM 1) comprises a coil and a first normally open contact switch (KM 1-1), wherein one end of the coil is coupled to a connection point of a ninth resistor (R9) and direct current, the other end of the coil is coupled to a connection point of the ninth resistor (R9) and a first triode (Q1), and the first normally open contact switch (KM 1-1) is coupled with the first prompt lamp (6).
8. The conveying mechanism for powder transportation according to claim 6, wherein: the second control part (302) comprises,
a seventh resistor (R7) coupled to the second comparing section (202);
a second transistor (Q2), the base of which is coupled to the seventh resistor (R7) and the emitter of which is grounded;
an eighth resistor (R8), one end of which is coupled to the connection point between the seventh resistor (R7) and the base of the second transistor (Q2), and the other end of which is coupled to the connection point between the second transistor (Q2) and ground;
the second relay (KM 2) comprises a second normally open contact switch (KM 2-1), a coil and a first normally closed contact switch (KM 2-2), wherein one end of the coil is coupled to direct current, the other end of the coil is coupled to a collector of a second triode (Q2), the second normally open contact switch (KM 2-1) is coupled to a second prompting lamp (7), and the first normally closed contact switch (KM 2-2) is coupled between the first normally open switch and the first prompting lamp (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280464.0U CN209889847U (en) | 2019-03-05 | 2019-03-05 | A transport mechanism for powder transportation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920280464.0U CN209889847U (en) | 2019-03-05 | 2019-03-05 | A transport mechanism for powder transportation |
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| CN209889847U true CN209889847U (en) | 2020-01-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055634A (en) * | 2021-11-19 | 2022-02-18 | 湖北北新建材有限公司 | Monitoring devices that gypsum board auxiliary material added |
| CN116443590A (en) * | 2023-06-15 | 2023-07-18 | 邢台职业技术学院 | Powder material pipeline conveying monitoring device |
-
2019
- 2019-03-05 CN CN201920280464.0U patent/CN209889847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055634A (en) * | 2021-11-19 | 2022-02-18 | 湖北北新建材有限公司 | Monitoring devices that gypsum board auxiliary material added |
| CN116443590A (en) * | 2023-06-15 | 2023-07-18 | 邢台职业技术学院 | Powder material pipeline conveying monitoring device |
| CN116443590B (en) * | 2023-06-15 | 2023-12-05 | 邢台职业技术学院 | Powder material pipeline conveying monitoring device |
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