CN202330362U - Wire rope wireless detection device - Google Patents
Wire rope wireless detection device Download PDFInfo
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- CN202330362U CN202330362U CN201120432845XU CN201120432845U CN202330362U CN 202330362 U CN202330362 U CN 202330362U CN 201120432845X U CN201120432845X U CN 201120432845XU CN 201120432845 U CN201120432845 U CN 201120432845U CN 202330362 U CN202330362 U CN 202330362U
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- wire rope
- detection device
- wireless detection
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- management module
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Abstract
The utility model discloses a wire rope wireless detection device, which comprises a sensor detection processing unit, a radio frequency transceiver unit, a power source management module, an impedance matching circuit and a SMA antenna. The device is characterized in that the sensor detection processing unit detects the wire rope in real time, collects and processes the detected signals; the processed data are transmitted to the radio frequency transceiver unit, and the SMA antenna through an impedance circuit matched with the SMA antenna to conduct wireless transmission. The power source management module provides power for each power consumption unit. The wire rope wireless detection device has the advantages of being reasonable in design, simple in wiring, convenient and rapid in assembly, light in weight, good in using effect, high in practical value, capable of reducing complexity of node device in network by wireless form, reasonable in design of the used power source management module, and reliable in performance.
Description
Technical field
The utility model belongs to the wireless sensor network technology field, relates in particular to a kind of wire rope wireless detection device.
Background technology
Skyscraper all over the world is more and more, and high-altitude glass curtain wall friction scrubbing apparatus more and more receives people's attention, and window cleaning equipment also just arises at the historic moment.Window cleaning equipment belongs to the aerial suspension Work machine, and the main connected mode of hanging ship and hitch of window cleaning equipment is through wire rope.Wire rope is as the core component and the high-risk member of window cleaning equipment, and its security receives much concern.In order to ensure the safe and reliable operation of window cleaning equipment, particularly important to the detection of wire rope security situation.
Yet up to the present; Detection to wire rope all is regularly to detect to the big machinery of working environment complicacy with instrument and equipment through the experimenter; Tester's work is dangerous and loaded down with trivial details; And the data that obtain are the situation of our selected time point, and whole plant equipment duty for a long time can not be described fully.And can't detect the malfunction of mechanical system point for a long time, can't remind the staff to safeguard in the very first time that structure possibly be in the dangerous work state.
The utility model content
In order to overcome detection difficult, the node that the utility model provides a kind of ability real-time online steady in a long-term to detect wire rope " health status ", particularly a kind of contactless wire rope wireless detection device to wire rope.
The utility model discloses a kind of wire rope wireless detection device, comprise sensor processing unit, radio transceiver unit, power management module, impedance matching circuit and SMA antenna; Said sensor processing unit detects wire rope in real time; Detected signal is gathered and handled, and the data after the processing are sent to the radio transceiver unit, through the impedance circuit that is complementary with the SMA antenna; Be delivered to the SMA antenna again, carry out wireless transmission.Power management module is supplied power for each power unit.
Further, described sensor processing unit adopts contactless magnetoelectricity detecting sensor, and this magnetoelectricity detecting sensor is fixed on the reliable apparatus, and wire rope is contactless to be passed in the middle of sensor.
Further, comprising: according to wire rope stray field and flux change, after the magnetic signal of spatial diffusion gathers; Convert voltage change to by array wide-angle Hall element group; Pass through the A/D interface again, carry out analog to digital conversion, give the radio transceiver unit with digital data transmission at last.
Further; The host-host protocol according to IEEE802.15.4 is selected in described radio transceiver unit; With packing data; Adopt the networking of ZigBee technology, through radiowave data are passed to another radio receiving transmitting module from a radio receiving transmitting module with the mode of relay, data pass to on-the-spot base station the most at last.
Further, said radio transceiver unit master chip employing chip CC2530; The work clock of chip CC2530 comprises external crystal-controlled oscillation, outside RC oscillator, inner RC oscillator, internal clocking power mode.
Used radio transceiver unit is that CC2530 is the radio transceiver chip compatible with ZigBee/IEEE802.15.4; Integrated 51 single-chip microcomputer kernels; It is operated in the 2.4GHz ISM band, has the link budget of 104dB, the receiving sensitivity of-101dB and the through-put power of 4.5dBm; Thereby reduced required number of node equipment in the network, reduced the cost of 802.15.4 system group network to a great extent.
Further, the work clock of chip CC2530 adopts two external crystal-controlled oscillation: the 32MHz crystal oscillator is as system clock, for chip RF transceiver local oscillation signal and MCU local oscillation signal are provided; 32.768KHz crystal oscillator, provides park mode timer local oscillation signal as real-time clock.
Further, described power management module is made up of supply module and the power supply voltage stabilizing chip that is connected with supply module, is used for power supplies such as radio transceiver unit, sensor processing unit and uses.
Reasonable in design and the dependable performance of used power management module adopts Switching Power Supply to supply power, because the inner key element of Switching Power Supply is operated in the HF switch state, the energy that itself consumes is lower, and switch power efficiency is very high; And adopt battery and adapter power supply mode, safe and reliable and good practical effect.
Further, described power management module is supplied to use by the stable DC voltage of 5V supply module through chip SE1117 step-down output 3.3V.
The beneficial effect of the utility model: a kind of wire rope wireless detection device disclosed in the utility model; Detect " health status " of wire rope in real time through wireless network; Adopt such form to make things convenient for the testing staff on the main control computer of main control room, directly to obtain the detailed data of physical construction duty, grasp mechanical duty at any time.The utility model circuit design is reasonable, and wiring is simple, volume is little, in light weight, easy for installation and each component capabilities is good, result of use good, practical value is high, can combine actual dealing with problems.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the structured flowchart of the utility model wire rope wireless detection device.
1-sensor processing unit 2-radio transceiver unit 3-power management module
4-impedance matching circuit 5-SMA antenna
Embodiment
Fig. 1 is the structured flowchart of the utility model wire rope wireless detection device; As shown in Figure 1; The utility model comprises the sensor processing unit 1 of the magnetoelectric sensor composition that wire rope is detected in real time, also the signal that collects is handled in the sensor processing unit 1, and the digital data transmission after the processing is in unlimited Transmit Receive Unit 2; Pack to the received signal in radio transceiver unit 2; Impedance circuit 4 through being complementary with SMA antenna 5 is delivered to SMA antenna 5 again, carries out wireless transmission.And be the power management module 3 of each power unit power supply.
Said sensor processing unit 1 adopts contactless magnetoelectricity detecting sensor, and this magnetoelectricity detecting sensor is fixed on the reliable apparatus, and wire rope passes in the middle of sensor, but does not contact.Said magnetoelectricity detecting sensor is carried out degree of depth magnetization through the permanent-magnet steel axle with wire rope and is reached capacity; Defective synchronized generation stray field and flux change such as the fracture of wire of wire rope, wearing and tearing; After the magnetic signal of spatial diffusion gathers, convert voltage change to by array wide-angle Hall element group, pass through the A/D interface again; Carry out analog to digital conversion, give radio transceiver unit 2 with digital data transmission at last.
Described radio transceiver unit 2 is according to the host-host protocol of IEEE802.15.4; With packing data; Adopt the networking of ZigBee technology, through radiowave data are passed to another radio receiving transmitting module from a radio receiving transmitting module with the mode of relay, data pass to on-the-spot base station the most at last.
ZigBee is based on the technical standard of relevant networking, safety and the application software aspect of the development of IEEE802.15.4 wireless standard.Be characterized in closely, low complex degree, self-organization, low-power consumption, low data rate, low cost.It will be the preferably selection of wireless sensor network for the decision of the technical characteristic of ZigBee, be widely used in Internet of Things, control automatically and numerous areas such as supervision.Wherein, be that the Zigbee SOC solution of representative is widely used than numerous Zigbee chips with the U.S.'s CC2430/CC2530 of Ti company chip.CC2530 is the radio transceiver chip compatible with ZigBee/IEEE802.15.4; Integrated 51 single-chip microcomputer kernels; It is operated in the 2.4GHz ISM band, has the link budget of 104dB, the receiving sensitivity of-101dB and the through-put power of 4.5dBm; Thereby reduced required number of node equipment in the network, reduced the cost of 802.15.4 system group network to a great extent.
The said radio transceiver of the utility model unit 2 master chips adopt CC2530, accomplish radio transmission-receiving function in conjunction with external circuits 2.4G plastic rod antenna, balun circuit, 10 core downloaders etc.Radio transceiver unit 2 is that the digital signal that sensor processing unit 1 transmits is packed; Again through being wirelessly transmitted to coordinator node; Coordinator node is exactly the terminal point of wireless transmission, and the terminal of each Radio Transmission Node directly links to each other with computer.
Described impedance matching circuit 4 is to be realized by balun circuit (BALUN, i.e. balanced feed converter or equalizer circuit), is connected each other and is composed in parallel by capacitor and inductor.Balun circuit is under the TX pattern, is combined into a single-ended RF signal to the output of two difference RF pins, transfers to SMA antenna 5, redispatches away; And the single-ended aerial signal that receives at following SMA antenna 5 of RX pattern is divided into a difference RF signal.
In the actual use, when adopting the power supply of 5V adapter, omitting the DC/DC converter, only need connect electric capacity to be used for+5V output get final product at power output end, step-down be input voltage 5V through voltage stabilizing chip SE1117+other consumers uses of DC voltage confession of 3.3V; When adopting powered battery accordingly, need to use the DC/DC converter.Used power management module 3 reasonable in design and dependable performances adopt Switching Power Supply to supply power, because the inner key element of Switching Power Supply is operated in the HF switch state, the energy that itself consumes is lower, and switch power efficiency is very high; And adopt battery and adapter power supply mode, safe and reliable and good practical effect.
When power management module 3 is carried out practical wiring, the size actual according to printed wiring board, overstriking power lead width reduces loop resitance as far as possible.Simultaneously, make the direction of trend and data transfer of power lead, ground wire consistent, help to strengthen noise resisting ability like this.Simultaneously, should note: will be digitally with simulation ground separately, if existing logical circuit has linear circuit again on the wiring board, should make them as far as possible separately.The ground of low-frequency channel should adopt single-point parallel connection ground connection, parallelly connected again ground connection after can partly connecting when practical wiring is had any problem as far as possible.High-frequency circuit should adopt multiple spot series connection ground connection, and ground wire should be lacked and thick, and high-frequency component is tried one's best with the paper tinsel in large area of lattice-shaped on every side.The ground wire overstriking of should trying one's best, if ground wire is with very thin lines, then earthing potential changes with change in current, makes noiseproof feature reduce.Therefore should be with the ground wire overstriking, make it can be through being three times in the permission electric current in the printed board.As possible, the length of ground wire should be more than 2-3mm.Ground wire constitutes closed-loop.The printed board that only is made up of digital circuit, its grounding circuit cloth become the big multipotency of closed-loop to improve noise resisting ability.
Said CC2530 packing forms is to adopt 40 pins, the QFN encapsulation of 6mm * 6mm size.CC2530 integrates radio-frequency receiving-transmitting and MCU control function, and peripheral cell comprises the crystal oscillator of a 32MHz and crystal oscillator and some other capacitance resistance wares of a 32.768KHz.Adopt SMA antenna 5 and the design of Ba Lun match circuit, can descend according to circumstances open, communication distance can reach 600m.
Through above-mentioned enforcement, technical scheme that can very clear understanding the utility model.Though with reference to embodiment the utility model is described more than should be noted that, this does not mean it is the restriction to the utility model, and the protection domain of the utility model is limited accompanying claims rather than embodiment.
Claims (8)
1. wire rope wireless detection device; Comprise sensor processing unit, radio transceiver unit, power management module, impedance matching circuit and SMA antenna; It is characterized in that: said sensor processing unit detects wire rope in real time, and detected signal is gathered and handled, and the data after the processing are sent to the radio transceiver unit; Through the impedance circuit that is complementary with the SMA antenna; Be delivered to the SMA antenna again, carry out wireless transmission, power management module is supplied power for each power unit.
2. wire rope wireless detection device according to claim 1; It is characterized in that: described sensor processing unit adopts contactless magnetoelectricity detecting sensor; This magnetoelectricity detecting sensor is fixed on the reliable apparatus, and wire rope is contactless to be passed in the middle of sensor.
3. wire rope wireless detection device according to claim 2; It is characterized in that: wherein, further comprise: according to wire rope stray field and flux change, after the magnetic signal of spatial diffusion gathers; Convert voltage change to by array wide-angle Hall element group; Pass through the A/D interface again, carry out analog to digital conversion, give the radio transceiver unit with digital data transmission at last.
4. according to the described wire rope wireless detection device of one of claim 1 to 3; It is characterized in that: the host-host protocol according to IEEE802.15.4 is selected in described radio transceiver unit; With packing data; Adopt the networking of ZigBee technology, through radiowave data are passed to another radio receiving transmitting module from a radio receiving transmitting module with the mode of relay, data pass to on-the-spot base station the most at last.
5. wire rope wireless detection device according to claim 4 is characterized in that: said radio transceiver unit master chip adopts chip CC2530; The work clock of chip CC2530 comprises external crystal-controlled oscillation, outside RC oscillator, inner RC oscillator, internal clocking power mode.
6. wire rope wireless detection device according to claim 5 is characterized in that: the work clock of chip CC2530 adopts two external crystal-controlled oscillation: the 32MHz crystal oscillator is as system clock, for chip RF transceiver local oscillation signal and MCU local oscillation signal are provided; 32.768KHz crystal oscillator, provides park mode timer local oscillation signal as real-time clock.
7. according to the described wire rope wireless detection device of one of claim 1 to 3; It is characterized in that: described power management module is made up of supply module and the power supply voltage stabilizing chip that is connected with supply module, is used for power supplies such as radio transceiver unit, sensor processing unit and uses.
8. wire rope wireless detection device according to claim 7 is characterized in that: described power management module is supplied to use by the stable DC voltage of 5V supply module through chip SE1117 step-down output 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120432845XU CN202330362U (en) | 2011-11-03 | 2011-11-03 | Wire rope wireless detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120432845XU CN202330362U (en) | 2011-11-03 | 2011-11-03 | Wire rope wireless detection device |
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| Publication Number | Publication Date |
|---|---|
| CN202330362U true CN202330362U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120432845XU Expired - Fee Related CN202330362U (en) | 2011-11-03 | 2011-11-03 | Wire rope wireless detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507729A (en) * | 2011-11-03 | 2012-06-20 | 江苏申锡建筑机械有限公司 | Wireless detection system and method of non-contact wire rope |
-
2011
- 2011-11-03 CN CN201120432845XU patent/CN202330362U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507729A (en) * | 2011-11-03 | 2012-06-20 | 江苏申锡建筑机械有限公司 | Wireless detection system and method of non-contact wire rope |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20161103 |