CN206894662U - Striding equipment safety switch electric fault synergic monitoring system - Google Patents

Abstract

It the utility model is related to a kind of striding equipment safety switch electric fault synergic monitoring system.When existing equipment has more safety switch, it is just very troublesome to search safety switch failure.A kind of striding equipment safety switch electric fault synergic monitoring system, the single-chip microcomputer of mobile monitoring terminal connects wireless communication module, display module, audible and visible alarm module, data memory module and power module, power module connection audible and visible alarm module and display module respectively；The single-chip microcomputer of each signal detection plate is connected with wireless communication module, audible and visible alarm module and one group of switch electric fault detection module respectively；The wireless communication module of mobile monitoring terminal is connected with the wireless communication module of each signal detection plate.The utility model detects the electrical fault signal of safety switch in real time, and fault-signal is informed into safety manager in real time, has and monitors the advantages of timely, accurate.

Description

Striding equipment safety switch electric fault synergic monitoring system

Technical field：

It the utility model is related to a kind of striding equipment safety switch electric fault synergic monitoring system.

Background technology：

Plant equipment is to be machined the core tool and valuable source of class enterprise implement production activity, it is necessary to using performance Reliable safety guard meets the needs of production safety.Safety switch belongs to Switch safety guard, a control, The effect such as regulation and position limitation protection, to realize that control device automates.It is safety switch species, large number of in actual production, Safety switch conduct is mainly used as coal mine cage positioning, vertical shaft hoist, underground conveying belt transport anti-bias and transporting coal skip bucket Crucial protection element, open and close, which act frequently, causes such safety guard fault rate higher, it is not played due Safeguard protection acts on, and equipment derailing is also resulted in when serious or situations such as parturient paresis.Therefore, these safety switches itself can It is particularly important by property, its running status is caught, tracks, detects and grasped in time, it is ensured that it is in normal, stabilization operating mode to whole The individual safe and reliable operation of plant equipment is very important.

Safety switch is attached to along the movement locus of plant equipment moving component more, when plant equipment is in operation process When, set the position of safety switch quite big danger to be present, when safety manager is to its Daily Round Check, first with larger Hidden danger, secondly the normal operation of mechanical operator may be made troubles.When safety switch failure prevents equipment from running When, then abort situation is failed to understand.When especially equipment has more safety switch, search safety switch failure and just bother very much, one As use when voltage method or direct observational technique, it is necessary to find in turn, it is cumbersome and time consuming, reduce production efficiency.

It is therefore desirable to the point of the protection to some plant equipment, i.e. the safety guard of these plant equipment is carried out in itself Effective monitoring and management, the loss for avoiding the failure due to such safety guard from being brought to equipment or even whole system.

The content of the invention：

The purpose of this utility model is to provide a kind of striding equipment safety switch electric fault synergic monitoring system.

Above-mentioned purpose is realized by following technical scheme：

A kind of striding equipment safety switch electric fault synergic monitoring system, its composition include：Mobile monitoring terminal and one group Signal detection plate, described mobile monitoring terminal include single-chip microcomputer, wireless communication module, display module, audible and visible alarm module, number According to memory module and power module, and single-chip microcomputer connects wireless communication module, display module, audible and visible alarm module, data respectively Memory module and power module, power module connection audible and visible alarm module and display module；

Each described signal detection plate monitors an electrical equipment, and each signal detection plate includes single-chip microcomputer, wireless Communication module, audible and visible alarm module, power module and one group of switch electric fault detection module, and single-chip microcomputer respectively with channel radio Believe module, audible and visible alarm module, power module and one group of switch electric fault detection module connection, power module connection acousto-optic police Report module and switch electric fault detection module；

The wireless communication module of mobile monitoring terminal is connected with the wireless communication module of each signal detection plate, carries out data Transmission.

The beneficial effects of the utility model：

1. striding equipment safety switch electric fault synergic monitoring system of the present utility model, the system is independently of plant equipment The control system of itself, will for whether monitoring each safety switch in multiple plant equipment in real time in the state to fail Monitoring result feeds back to safety manager, and safety manager can be fully understood by the operation shape of safety switch by the system State, it can rapidly search and find breakdown switch, the safety switch of failure is repaired or replaced in time, safety is helped with this Administrative staff carry out unified supervision to safety switch.

The logic theory part that the utility model is included according to the switch electric fault detection module of setting, propose Judge whether Switch safety guard is in the foundation of malfunction, be adapted to the letter that safety switch produces electric fault Number collection；

3. the mobile monitoring terminal that the utility model is related to can be developed as hand-held mobile monitor terminal, pacified using object Whether full production management personnel etc., can be in disabled status with real-time display plant equipment safety switch；

4. the mobile monitoring terminal that the utility model is related to and one group of signal detection plate are respectively provided with audible and visible alarm module, pass through The warning function of red LED lamp and buzzer, the safety switch with electric fault can be informed into machine operator in time And safety manager, so as to on-call maintenance and replacing, prevent bigger hidden danger and accident.

The logic theory part that the utility model is included according to the switch electric fault detection module of setting, realize Multiplex Redundancy Design, so as to judge that safety switch whether there is electric fault, reliability is high, can effectively avoid due to signal The faults such as process circuit cause single-chip microcomputer erroneous judgement and caused false alarm.

Brief description of the drawings：

Accompanying drawing 1 is theory structure schematic diagram of the present utility model；

Accompanying drawing 2 is the logic schematic diagram for the switch electric fault detection module that the utility model is related to；

Accompanying drawing 3 is the signal detection plate workflow diagram that the utility model embodiment one is related to；

Accompanying drawing 4 is the mobile monitoring terminal works schematic diagram that the utility model embodiment one is related to；

Embodiment：

Embodiment one：

The striding equipment safety switch electric fault synergic monitoring system of present embodiment, its composition include：Mobile monitoring is whole End 1 and one group of signal detection plate 2, striding equipment refer to multiple plant equipment, and described mobile monitoring terminal 1 includes single-chip microcomputer 3, nothing Line communication module 4, display module 5, audible and visible alarm module 6, data memory module 7 and power module 8, and single-chip microcomputer 3 connects respectively Wireless communication module 4, display module 5, audible and visible alarm module 6, data memory module 7 and power module 8 are connect, power module 8 connects Connect audible and visible alarm module 6 and display module 5；

Each described signal detection plate 2 monitors an electrical equipment, and each signal detection plate 2 includes single-chip microcomputer 3, nothing Line communication module 4, audible and visible alarm module 6, power module 8 and one group of switch electric fault detection module 9, and single-chip microcomputer 3 is distinguished It is connected with wireless communication module 4, audible and visible alarm module 6, power module 8 and one group of switch electric fault detection module 9, power supply mould Block 8 connects audible and visible alarm module 6 and switch electric fault detection module 8；The radio communication mold that signal detection plate 2 has by it Block 4 is sent to the wireless communication module 4 that mobile monitoring terminal 1 has after the data of collection are handled；

The wireless communication module 4 of mobile monitoring terminal 1 is connected with the wireless communication module 4 of each signal detection plate 2, is carried out Data transfer.

Embodiment two：

Unlike embodiment one, the striding equipment safety switch electric fault synergic monitoring system of present embodiment System, described switch electric fault detection module 9 include one piece of XOR gate chip 74HC86（Piece number is 10 in figure）, two pieces with it is non- Door chip 74HC00（Piece number is 11 in figure）With one piece and door chip 74HC08（Piece number is 12 in figure）, XOR gate chip 74HC86 （Piece number is 10 in figure）Receive the normally-closed contact of safety switch（NC）With normally opened contact（NO）Output signal, two NAND gate cores Piece 74HC00（Piece number is 11 in figure）All receive XOR gate chip 74HC86（Piece number is 10 in figure）Output signal, with door chip 74HC08（Piece number is 12 in figure）Receive two NAND gate chip 74HC00（Piece number is 11 in figure）Output signal.

Embodiment three：

Unlike embodiment one or two, the striding equipment safety switch electric fault collaboration prison of present embodiment Examining system, described audible and visible alarm module 6 include red LED lamp and buzzer.

Embodiment four：

Unlike embodiment three, the striding equipment safety switch electric fault synergic monitoring system of present embodiment System, described single-chip microcomputer 3 is STM32 series monolithics.

Embodiment five：

Unlike embodiment one, two or four, the striding equipment safety switch electric fault association of present embodiment Same monitoring system, described wireless communication module 4 realize data communication using nRF24L01+ model wireless transceiver chips.Letter Data processing method selective enhancement type Shock Burst TM patterns number between detection plate 2 and mobile monitoring terminal 1, if The quantity of detection plate can configure different data channel under same channel and realize networking, if the number of detection plate below 6 , it is necessary to carry out frequency hopping, different data channel is respectively configured to expand networking quantity more than 6 in amount under different channels, Option and installment can be carried out according to actual requirement.

Operation principle：

The connecting valve electric fault detection module 9 of single-chip microcomputer 3 in signal detection plate 2, for described switch fault Monitoring modular carries out data monitoring.The processing module of single-chip microcomputer 3 is connected with wireless communication module 4, for configuring messaging parameter.Monolithic Machine 3 is connected with audible and visible alarm module 6.Sound and light alarm module 6 is made up of red LED lamp and buzzer, when single-chip microcomputer 3 monitors out When closing fault-signal, the red LED lamp of audible and visible alarm module 6 is lighted, and buzzer gives a warning sound, prompts safety manager Handled accordingly.

Switch electric fault detection module 9 is used for the electrical fault signal for detecting safety switch, its form include one piece it is different OR gate chip 74HC86（Piece number is 10 in figure）, two pieces of NAND gate chip 74HC00（Piece number is 11 in figure）With one piece and door chip 74HC08（Piece number is 12 in figure）.Using XOR gate chip 74HC86（Piece number is 10 in figure）To the normally-closed contact of safety switch （NC）With normally opened contact（NO）Output signal be compared, two paths of signals judges to be all high level or be all low level, all Show that safety switch is in malfunction, then 74HC86 exports low level；On the contrary, when two paths of signals judgement difference, then show to pacify Full switch is in normal connected state, 74HC86 output high level.

Two NAND gate chip 74HC00（Piece number is 11 in figure）Effect be to prevent that 74HC266 is by mistake in abnormal cases Error signal is output to follow-up execution circuit, and the only normally opened contact of safety switch can not turn on normally-closed contact, and output is low Level, and XOR gate chip 74HC86（Piece number is 10 in figure）Also export low level when, now with door chip 74HC08（Part in figure Number be 12）The signal of outflow is just switch fault signal.So avoid because the faults such as signal processing circuit cause The erroneous judgement of single-chip microcomputer 3 and caused false alarm.

Claims (5)

1. a kind of striding equipment safety switch electric fault synergic monitoring system, its composition includes：Mobile monitoring terminal and one group of letter Number detection plate, it is characterized in that：Described mobile monitoring terminal includes single-chip microcomputer, wireless communication module, display module, audible and visible alarm Module, data memory module and power module, and single-chip microcomputer connects wireless communication module, display module, audible and visible alarm mould respectively Block, data memory module and power module, power module connection audible and visible alarm module and display module；

Each described signal detection plate monitors an electrical equipment, and each signal detection plate includes single-chip microcomputer, radio communication Module, audible and visible alarm module, power module and one group of switch electric fault detection module, and single-chip microcomputer respectively with radio communication mold Block, audible and visible alarm module, power module and one group of switch electric fault detection module connection, power module connection audible and visible alarm mould Block and switch electric fault detection module；

The wireless communication module of mobile monitoring terminal is connected with the wireless communication module of each signal detection plate, carries out data biography It is defeated.

2. striding equipment safety switch electric fault synergic monitoring system according to claim 1, it is characterized in that：Described opens Powered-down gas fault detection module includes one piece of XOR gate chip 74HC86, two pieces of NAND gate chip 74HC00 and one piece and door chip 74HC08, XOR gate chip 74HC86 receive the normally-closed contact of safety switch and the output signal of normally opened contact, two NAND gates Chip 74HC00 receives XOR gate chip 74HC86 output signal, and two NAND gate chips are received with door chip 74HC08 74HC00 output signal.

3. striding equipment safety switch electric fault synergic monitoring system according to claim 1 or 2, it is characterized in that：It is described Audible and visible alarm module include red LED lamp and buzzer.

4. striding equipment safety switch electric fault synergic monitoring system according to claim 3, it is characterized in that：Described sound Light alarm modules single-chip microcomputer is STM32 series monolithics.

5. the striding equipment safety switch electric fault synergic monitoring system according to claim 1,2 or 4, it is characterized in that：Institute The wireless communication module stated realizes data communication using nRF24L01+ model wireless transceiver chips.