CN211557187U - Intelligent safety monitoring system - Google Patents
Intelligent safety monitoring system Download PDFInfo
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- CN211557187U CN211557187U CN202020222386.1U CN202020222386U CN211557187U CN 211557187 U CN211557187 U CN 211557187U CN 202020222386 U CN202020222386 U CN 202020222386U CN 211557187 U CN211557187 U CN 211557187U
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Abstract
The utility model discloses an intelligent security monitoring system, including master control case and branch control case, the master control case includes first circuit breaker and first ac contactor, divide the control case to include emergency stop button, force sensor, the electronic clock, second normally open contact, third normally open contact, second ac contactor, third ac contactor and wind pressure monitor, first circuit breaker loops through first ac contactor's contact respectively with second ac contactor's contact and third ac contactor's contact connection, the motor is still connected to second ac contactor's contact and third ac contactor's contact, first circuit breaker is connected with the one end of first ac contactor's coil and emergency stop button's one end respectively, the other end of emergency stop button passes through force sensor and is connected with the one end of electronic clock. Implement the utility model discloses an intelligent security monitoring system has following beneficial effect: the operation of the climbing frame control system is safer and more reliable.
Description
Technical Field
The utility model relates to a climb a smart security monitoring field, in particular to smart security monitoring system.
Background
In the technical field of building construction equipment, a control system in the market at present is a control system for controlling a climbing frame to perform lifting work. The control system can realize the control of the climbing frame to lift, prevent the overload or the load loss of the machine position through the machine position load value, and has no more comprehensive safety protection function. Due to technical limitations, a climbing frame control system in the current market can only control the lifting of a climbing frame, display a load value and set basic functions of a load early warning value and an alarm value, can avoid overload or load loss under certain conditions and only has the most basic safety protection function; and the degree of intellectualization is generally not high, a lot of operations still can not replace manual operations, and heavy and complex manual work can not be reduced. The falling of the climbing frame belongs to an extreme condition, wherein the falling of the climbing frame comprises various reasons such as man-made, weather and the like, and the climbing frame control system on the market at present can not meet the requirement of the climbing frame industry on safety far away.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide one kind and make and climb a safer, reliable intelligent security monitoring system of control system function.
The utility model provides a technical scheme that its technical problem adopted is: an intelligent safety monitoring system is constructed, the intelligent safety monitoring system comprises a main control box and a branch control box, the main control box comprises a first circuit breaker and a first alternating current contactor, the branch control box comprises an emergency stop button, a tension sensor, an electronic clock, a second normally open contact, a third normally open contact, a second alternating current contactor, a third alternating current contactor and an air pressure monitor, the first circuit breaker is sequentially connected with a contact of the first alternating current contactor and a contact of the second alternating current contactor and a contact of the third alternating current contactor respectively, the contact of the second alternating current contactor and the contact of the third alternating current contactor are also connected with a motor, the first circuit breaker is respectively connected with one end of a coil of the first alternating current contactor and one end of the emergency stop button, the other end of the emergency stop button is connected with one end of the electronic clock through the tension sensor, the other end of the electronic clock is respectively connected with a third end of the second normally open contact and a third end of the third normally open contact, the fourth end of second normally open contact with the first end of third normally open contact is connected, the second end of third normally open contact passes through the one end of second ac contactor's coil is connected, the other end of second ac contactor's coil with the one end of wind pressure monitor is connected, the fourth end of third normally open contact with the first end of second normally open contact is connected, the second end of second normally open contact with the one end of third ac contactor's coil is connected, the other end of first ac contactor's the other end, the other end of wind pressure monitor and the other end of third ac contactor's coil all with first circuit breaker is connected.
Intelligent safety monitoring system in, first end, third end, fifth end and the seventh end of first circuit breaker correspond respectively and connect first live wire, second live wire, third live wire and zero line, the second end of first circuit breaker with the one end of first ac contactor's coil is connected, the second end, fourth end, sixth end and the eighth end of first circuit breaker correspond respectively with the fifth end, third end, first end of first ac contactor's contact and the other end of first ac contactor's coil are connected, the second end, fourth end and the sixth end of first ac contactor's contact correspond respectively with the first end, third end and the fifth end of second ac contactor's contact are connected, the second end, fourth end and the sixth end of first ac contactor's contact still correspond respectively with the first end, the third end and the fifth end of third ac contactor's contact, The second end, the fourth end and the sixth end of the contact of the second alternating current contactor are respectively and correspondingly connected with the sixth end, the fourth end and the second end of the contact of the third alternating current contactor, the second end, the fourth end and the sixth end of the contact of the second alternating current contactor are also respectively and correspondingly connected with the U phase, the V phase and the W phase of the motor, and the grounding end of the motor is connected with the ground wire.
In the intelligent security monitoring system of the present invention, a dual-rectification single-safety circuit is disposed in the master control box.
In the intelligent safety monitoring system, the double-rectification single-safety circuit comprises a second circuit breaker, a first switch power supply, a second switch power supply, a first relay, a second relay and a third relay, wherein the first end and the third end of the second circuit breaker are respectively connected with a live wire and a zero line, the second end of the second circuit breaker is respectively connected with the L end of the first switch power supply and the first end of the contact of the first relay, the fourth end of the second circuit breaker is respectively connected with the N end of the first switch power supply and the N end of the second switch power supply, the V + end of the first switch power supply is respectively connected with the first end of the contact of the second relay and the third end of the contact of the third relay, and the V-end of the first switch power supply is respectively connected with one end of the coil of the first relay and the V-end of the second switch power supply, One end of a coil of the second relay and one end of a coil of the third relay are connected to a negative electrode of a power supply end, an L end of the second switching power supply is connected with a third end of a contact of the first relay, and a fourth end of the contact of the first relay and a first end of the contact of the third relay are both connected with a positive electrode of the power supply end.
In the intelligent security monitoring system of the present invention, the voltage provided by the power supply end is + 24V.
Implement the utility model discloses an intelligent security monitoring system has following beneficial effect: owing to be equipped with including master control case and branch control case, the master control case includes first circuit breaker and first ac contactor, the branch control case includes emergency stop button, tension sensor, the electronic clock, second normally open contact, third normally open contact, second ac contactor, third ac contactor and wind pressure monitor, master control case control branch control case, branch control case control corresponds the motor, second normally open contact and third normally open contact control motor are just, the reversal, load value through tension sensor monitoring motor, the shut down when the load overload of motor or unbalance loading, protection motor and climbing frame prevent motor overload operation, cooperate industrial controller simultaneously, can also realize motor chain pretension function, climb a horizontal adjustment function. The wind pressure monitor monitors the wind pressure value of the climbing frame environment, the wind pressure value exceeds a set threshold value to stop running, and the climbing frame is prevented from running in extreme weather to cause safety accidents. According to the rotating speed of the motor, the rising speed of the climbing frame per second can be calculated, then the rising height of the climbing frame is calculated through an electronic clock, and the function of automatically lifting the height is achieved. The utility model discloses make and climb a control system function safer, reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an embodiment of the intelligent security monitoring system of the present invention;
fig. 2 is a schematic circuit diagram of the double-rectification single-safety circuit in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses in the intelligent security monitoring system embodiment, this intelligent security monitoring system's schematic circuit diagram is shown in FIG. 1. In fig. 1, the intelligent safety monitoring system comprises a main control box and a branch control box, wherein the main control box comprises a first breaker QF1 and a first alternating current contactor KM1, the branch control box comprises an emergency stop button SB1, a tension sensor B1, an electronic clock T1, a second normally open contact SB2, a third normally open contact SB3, a second alternating current contactor KM2, a third alternating current contactor KM3 and a wind pressure monitor B2, the first breaker QF1 is respectively connected with the contact of the second alternating current contactor KM2 and the contact of the third alternating current contactor KM3 through the contact of the first alternating current contactor KM1 in sequence, the contact of the second alternating current contactor KM2 and the contact of the third alternating current contactor KM3 are also connected with a motor M, the first breaker QF1 is respectively connected with one end of a coil of the first alternating current contactor KM1 and one end of an emergency stop button SB1, the other end of the normally open button SB1 is respectively connected with one end of the electronic clock T1 through a tension sensor B1, the other end of the emergency stop button SB1 is respectively connected with the third contact of the third alternating current contactor SB3 and the third contact of the third alternating current contactor, the fourth end of second normally open contact SB2 is connected with the first end of third normally open contact SB3, the second end of third normally open contact SB3 is connected through the one end of second ac contactor KM 2's coil, the other end and the one end of wind pressure monitor B2 of second ac contactor KM 2's coil are connected, the fourth end and the first end of second normally open contact SB2 of third normally open contact SB3 are connected, the second end and the one end of third ac contactor KM 3's coil of second normally open contact SB2 are connected, the other end of first ac contactor KM1, the other end of wind pressure monitor B2 and the other end of third ac contactor KM 3's coil all are connected with first circuit breaker QF 1.
Second normally open contact SB2 and third normally open contact SB3 control motor M just, the reversal, through force sensor B1 monitoring motor M's load value, the load of motor M transships or loses the time out of service operation, protection motor M with climb the frame, prevent motor M overload operation, cooperate industrial controller simultaneously, can also realize motor chain pretension function in advance, climb a horizontal adjustment function. Wind pressure monitor B2 monitors climbing frame environment wind pressure value, and the wind pressure value exceeds the shut down of settlement threshold value, avoids climbing the frame and moves under extreme weather, causes the incident. According to the rotating speed of the motor M, the rising speed of the climbing frame per second can be calculated, and then the rising height of the climbing frame is calculated through an electronic clock T1, so that the function of automatically lifting the height is achieved.
Specifically, when the first breaker QF1 is closed, the two ends a1 and a2 of the coil of the first ac contactor KM1 are energized, and the contacts of the first ac contactor KM1 are closed. When the second normally open contact SB2 is closed, the coil of the second ac contactor KM2 is energized, and the motor M rotates forward (rises); when the third normally open contact SB3 is closed, the coil of the third ac contactor KM3 is energized, and the motor M is reversed (lowered). In an emergency, the emergency stop button SB1 is pressed and the motor M stops running until the emergency stop button SB1 is reset.
Overload and load loss protection functions: when the second normally open contact SB2 is closed, the motor M rotates forwards, the climbing frame starts to ascend, the tension sensor B1 receives a real-time motor load value, when the set load value is exceeded, namely, in an overload state, the tension sensor B1 is disconnected, the motor M stops running, and the second normally open contact SB2 resets, so that the function of preventing the motor M from being overloaded is achieved; the third normally open contact SB3 is closed, the motor M reverses, the climbing frame begins to descend, the tension sensor B1 receives the real-time motor load value, when being lower than the set load value, namely under the load losing state, the tension sensor B1 is disconnected, the motor M stops running, the third normally open contact SB3 resets, and the function of preventing the motor from losing load is achieved.
On the above-mentioned theory of operation, can also realize motor chain pretension function: the pre-tightened load value of the motor M is set, the second normally open contact SB2 is closed, the tension sensor B1 circuit is disconnected after the set load value is reached, the second normally open contact SB2 is reset, the tensioning effect of the motor chain is achieved, and the function of horizontal adjustment of the climbing frame is achieved.
And setting the horizontal value and the range value of the horizontal adjustment of the motor, closing a third normally open contact SB3 when the load value of the motor is greater than the upper limit of the range value, reversing the motor M, and descending the climbing frame. After reaching the level value, the tension sensor B1 opens and resets the third normally open contact SB 3. When the load value of the motor M is smaller than the lower limit of the range value, the second normally open contact SB2 is closed, the motor M rotates positively, and the climbing frame descends. After reaching the level value, the tension sensor B1 opens and resets the second normally open contact SB 2. Thereby realize a plurality of motor M automatic control operation, adjust the effect of climbing the frame level.
Wind pressure monitoring function: set for wind pressure monitoring threshold, when exceeding the wind pressure monitoring setting value, wind pressure monitor B2 disconnection and the second normally open contact SB2 that resets, motor M can only carry out the reversal this moment, and the decline climbs the frame, can not carry out the corotation of motor M, and the frame is climbed in the rising, reaches the safe function of monitoring environment wind pressure protection climbing frame.
The automatic height lifting function: and setting the operation value of the electronic clock T1, and after the automatic height lifting function is operated, starting timing by the electronic clock T1, closing the second normally open contact SB2 and ascending the climbing frame. When the timing value of the electronic clock T1 is reached, the electronic clock T1 is disconnected and the second normally open contact SB2 is reset, the motor M stops running, and the function of automatically lifting the height is realized.
The control circuit is matched with the tension sensor B1, and the circuits of the second alternating current contactor KM2 and the third alternating current contactor KM3 are disconnected when the motor load is overloaded or unloaded; when the environmental wind pressure value exceeds the threshold value, the wind pressure monitor B2 disconnects the control circuit of the second ac contactor KM2, only allows the third ac contactor KM3 to be closed, and the climbing frame can only descend but cannot perform ascending operation.
The power supply input passes through a first breaker QF1, a first alternating current contactor KM1 controls the current input of the motor M, a second alternating current contactor KM2 controls the motor M to rotate forwards, and a second alternating current contactor KM2 controls the motor M to rotate backwards. The second normally-open contact SB2 and the third normally-open contact SB3 form an interlocking circuit, and the second AC contactor KM2 and the third AC contactor KM3 cannot be closed at the same time.
The operation time of the motor is set by an electronic clock T1, and the motor M is timed to rotate forwards and backwards, and the circuit is disconnected after the set time is reached.
The first live wire L1, the second live wire L2, the third live wire L3, the neutral wire N and the grounding PE form a three-phase five-wire power supply system. The first end, the third end, the fifth end and the seventh end of the first breaker QF1 are respectively and correspondingly connected with a first live wire L1, a second live wire L2, a third live wire L3 and a zero line N, the second end of the first breaker QF1 is connected with one end of a coil of a first ac contactor KM1, the second end, the fourth end, the sixth end and the eighth end of the first breaker QF1 are respectively and correspondingly connected with the fifth end, the third end, the first end and the other end of the coil of the first ac contactor KM1 of a contact of the first ac contactor KM1, the second end, the fourth end and the sixth end of the contact of the first ac contactor KM1 are respectively and correspondingly connected with the first end, the third end and the fifth end of the contact of the second ac contactor KM2, the second end, the fourth end and the sixth end of the contact of the first ac contactor KM1 are respectively and correspondingly connected with the first end, the third end and the fifth end of the contact of the third ac contactor KM3, and the second end of the second ac contactor 2, The fourth end and the sixth end are respectively connected with the sixth end, the fourth end and the second end of the contact of the third alternating current contactor KM3 correspondingly, the second end, the fourth end and the sixth end of the contact of the second alternating current contactor KM2 are also respectively connected with the U phase, the V phase and the W phase of the motor M correspondingly, and the grounding end of the motor M is connected with the grounding wire PE.
In this embodiment, a dual-rectification single-safety circuit is arranged in the main control box. The circuit schematic of the double-rectification single-safety circuit is shown in fig. 2. In fig. 2, the double-rectification single-insurance circuit comprises a second breaker QF2, a first switching power supply V1, a second switching power supply V2, a first relay KA1, a second relay KA2 and a third relay KA3, wherein the first end and the third end of the second breaker QF2 are correspondingly connected with a live line L and a neutral line N respectively, the second end of the second breaker QF2 is connected with the L end of the first switching power supply V1 and the first end of the contact of the first relay KA1 respectively, the fourth end of the second breaker QF2 is connected with the N end of the first switching power supply V1 and the N end of the second switching power supply V2 respectively, the V + end of the first switching power supply V1 is connected with the first end of the contact of the second relay KA2 and the third end of the contact of the third relay KA3 respectively, the V-end of the first switching power supply V1 is connected with one end of the coil of the first switch 1, the second switch power supply V2, the V-end of the coil of the second relay KA 3527 and the negative relay KA3 And the L end of the second switching power supply V2 is connected with the third end of the contact of the first relay KA1, and the fourth end of the contact of the first relay KA1 and the first end of the contact of the third relay KA3 are both connected with the positive electrode of the power supply end. In this embodiment, the voltage provided by the power supply terminal is +24V, and the double-rectification single-safety circuit is a 24V power supply circuit in the master control box.
In the double-rectification single-insurance circuit, the first switching power supply V1 is a default power supply, when the first switching power supply V1 stops working during system operation, the second switching power supply V2 is automatically switched to be a working power supply, and an output circuit of the first switching power supply V1 is disconnected, so that the control system is ensured to operate reliably. The power supply input of the double-rectification single-insurance circuit passes through the second breaker QF, the first switching power supply V1 is started to work under the general working condition, when the first switching power supply V1 breaks down and stops working, the circuit is automatically switched to the second switching power supply V2, and the reliable operation of the intelligent safety monitoring system is ensured.
As shown in fig. 2, after the second breaker QF is closed, the first switching power supply V1 is energized to operate, the coil two ends a1 and a2 of the first relay KA1 are energized to operate, the first end KA1-1 and the third end KA1-3 of the contact of the first relay KA1 are disconnected, and the second switching power supply V2 is powered off to stop operating. Meanwhile, the fourth end KA1-4 and the sixth end KA1-6 of the contacts of the first relay KA1 are opened, and the output of the second switching power supply V2 is opened. The second switching power supply V2 stops working, the second relay KA2 and the third relay KA3 do not act, the first end KA2-1 and the third end KA2-3 of the contact of the second relay KA2 are kept closed, the first end KA3-1 and the third end KA3-3 of the contact of the third relay KA2 are kept closed, and the first switching power supply V1 outputs normally.
When the first switching power supply V1 breaks down, the coil of the first relay KA1 resets, the first end KA1-1 and the third end of the contact of the first relay KA1 are reset and closed, the second switching power supply V2 is electrified and works, the fourth end and the sixth end of the contact of the first relay KA1 are reset and closed, and the output circuit of the second switching power supply V2 is recovered. The normal output of second switching power supply V2, the circular telegram action in the coil both ends of second relay KA2 and third relay KA3, second end KA2-2 and the third end KA2-3 of the contact of second relay KA2 are closed, second end KA3-2 and the third end KA3-3 of the contact of third relay KA3 are closed, first switching power supply V1 output disconnection realizes two rectification single insurance, two rectifier circuit automatic switching functions.
In a word, in this embodiment, the main control box control branch accuse case, branch accuse case control corresponds the motor, through the just, the reversal of contact control motor, through the load value of force sensor monitoring motor, the load of motor transships or loses the time out of service, the protection motor with climb the frame, prevent motor overload operation, cooperate industrial controller simultaneously, can also realize motor chain pretension function in advance, climb a horizontal adjusting function. The wind pressure monitor monitors the wind pressure value of the climbing frame environment, the wind pressure value exceeds a set threshold value to stop running, and the climbing frame is prevented from running in extreme weather to cause safety accidents. According to the rotating speed of the motor, the rising speed of the climbing frame per second can be calculated, then the rising height of the climbing frame is calculated through an electronic clock, and the function of automatically lifting the height is achieved. The utility model discloses make and climb a control system function safer, reliable.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The intelligent safety monitoring system is characterized by comprising a main control box and a branch control box, wherein the main control box comprises a first circuit breaker and a first alternating current contactor, the branch control box comprises an emergency stop button, a tension sensor, an electronic clock, a second normally-open contact, a third normally-open contact, a second alternating current contactor, a third alternating current contactor and an air pressure monitor, the first circuit breaker sequentially passes through a contact of the first alternating current contactor and is respectively connected with a contact of the second alternating current contactor and a contact of the third alternating current contactor, the contact of the second alternating current contactor and the contact of the third alternating current contactor are also connected with a motor, the first circuit breaker is respectively connected with one end of a coil of the first alternating current contactor and one end of the emergency stop button, the other end of the emergency stop button is connected with one end of the electronic clock through the tension sensor, and the other end of the electronic clock is respectively connected with a third end of the second normally-open contact and a third normally-open contact The three-terminal connection, the fourth end of second normally open contact with the first end of third normally open contact is connected, the second end of third normally open contact passes through the one end of second ac contactor's coil is connected, the other end of second ac contactor's coil with the one end of wind pressure monitor is connected, the fourth end of third normally open contact with the first end of second normally open contact is connected, the second end of second normally open contact with the one end of third ac contactor's coil is connected, the other end of first ac contactor's the other end, the other end of wind pressure monitor and the other end of third ac contactor's coil all with first circuit breaker is connected.
2. The intelligent safety monitoring system according to claim 1, wherein the first, third, fifth and seventh terminals of the first circuit breaker are respectively and correspondingly connected to a first live wire, a second live wire, a third live wire and a zero wire, the second terminal of the first circuit breaker is connected to one end of the coil of the first ac contactor, the second, fourth, sixth and eighth terminals of the first circuit breaker are respectively and correspondingly connected to the fifth, third, first and other ends of the contact of the first ac contactor, the second, fourth and sixth terminals of the contact of the first ac contactor are respectively and correspondingly connected to the first, third and fifth terminals of the contact of the second ac contactor, and the second, fourth and sixth terminals of the contact of the first ac contactor are respectively and correspondingly connected to the first, third and sixth terminals of the contact of the third ac contactor, The second end, the fourth end and the sixth end of the contact of the second alternating current contactor are respectively and correspondingly connected with the sixth end, the fourth end and the second end of the contact of the third alternating current contactor, the second end, the fourth end and the sixth end of the contact of the second alternating current contactor are also respectively and correspondingly connected with the U phase, the V phase and the W phase of the motor, and the grounding end of the motor is connected with the ground wire.
3. The intelligent safety monitoring system according to claim 2, wherein a double rectification single safety circuit is arranged in the master control box.
4. The intelligent safety monitoring system according to claim 3, wherein the double-rectification single-insurance circuit comprises a second circuit breaker, a first switching power supply, a second switching power supply, a first relay, a second relay and a third relay, a first end and a third end of the second circuit breaker are correspondingly connected with a live wire and a zero wire respectively, a second end of the second circuit breaker is connected with an L end of the first switching power supply and a first end of a contact of the first relay respectively, a fourth end of the second circuit breaker is connected with an N end of the first switching power supply and an N end of the second switching power supply respectively, a V + end of the first switching power supply is connected with a first end of a contact of the second relay and a third end of a contact of the third relay respectively, and a V-end of the first switching power supply is connected with one end of a coil of the first relay respectively, The V-end of the second switching power supply, one end of the coil of the second relay and one end of the coil of the third relay are connected to the negative electrode of the power supply end, the L-end of the second switching power supply is connected with the third end of the contact of the first relay, and the fourth end of the contact of the first relay and the first end of the contact of the third relay are both connected with the positive electrode of the power supply end.
5. The intelligent safety monitoring system according to claim 4, wherein the voltage provided by the power supply end is + 24V.
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| CN202020222386.1U CN211557187U (en) | 2020-02-27 | 2020-02-27 | Intelligent safety monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156918A (en) * | 2021-04-25 | 2021-07-23 | 泉州芸台科技有限公司 | Integrated detection device for electric control equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113156918A (en) * | 2021-04-25 | 2021-07-23 | 泉州芸台科技有限公司 | Integrated detection device for electric control equipment |
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