CN205429645U - Air bus slot - Google Patents
Air bus slot Download PDFInfo
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- CN205429645U CN205429645U CN201620216665.0U CN201620216665U CN205429645U CN 205429645 U CN205429645 U CN 205429645U CN 201620216665 U CN201620216665 U CN 201620216665U CN 205429645 U CN205429645 U CN 205429645U
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Abstract
The utility model discloses an air bus slot, the problem of unable control bus duct surrounding air's humidity is solved, a technical solution is characterized in that, monitoring device is including the moisture detection circuit who is used for detecting air humidity and output detection signal, be coupled the comparison circuit with receiving detection signal and output compare signal in moisture detection circuit, be coupled in comparison circuit with the control circuit that receives the comparison signal and export control signal with be coupled in control circuit and in response to control signal's alert circuit, comparison circuit includes a benchmark value signal, when the detected signal is greater than the benchmark value signal, and the work of control circuit control alert circuit, the utility model discloses an air bus slot, real -time air humidity to around the casing detect through the monitoring device ability, if work under the state of high humility then reminds the staff to take emergency measure, avoids causing danger.
Description
Technical field
This utility model relates to electrical equipment, particularly to a kind of air-type bus duct.
Background technology
Along with emerging in large numbers of modernization project facility and equipment, the fast increasing of power consumption of all trades and professions, the most numerous skyscrapers and the appearance in large-sized workshop workshop, traditional cable as transmission pressure can not meet requirement in big current delivery system, and the used in parallel of multiway cable brings inconvenience to in-site installation construction connection.Bus duct arises at the historic moment as a kind of new distribution wire, compared with traditional cable, fully demonstrate its superiority when big electric current carries, and in bus duct, employ high-quality insulant, thus improve the security reliability of bus duct, make whole system more perfect.
But the applied environment of bus duct has certain requirement, such as relative humidity is less than 90%, if the air humidity of the surrounding of bus duct is excessive, also the circuit in bus duct can be impacted, serious then there will be the situations such as short circuit, so in the environment of high humility, bus duct is as easy as rolling off a log causes danger, and the air-type bus duct used at present does not arrange the device being monitored the air humidity around bus duct, therefore the air-type bus duct used at present has certain room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of air-type bus duct, can be monitored the air humidity of surrounding.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of air-type bus duct, including housing, the surface of described housing is provided with the supervising device for monitoring air humidity, and described supervising device includes for detecting air humidity the humidity measuring circuit of output detections signal, being coupled to humidity measuring circuit to receive detection signal and to export the comparison circuit of comparison signal, be coupled to comparison circuit to receive comparison signal and export the control circuit of control signal and be coupled to control circuit and the warning circuit in response to control signal；Described comparison circuit includes a reference value signal, and when detecting signal more than reference value signal, described control circuit controls warning circuit work.
Use such scheme, in real time the air humidity of casing surroundings can be detected by supervising device, the situation of the control humidity detected by humidity measuring circuit is transferred to comparison circuit and compares, comparison circuit is preset with a reference value, corresponding a reference humidity, i.e. bus duct work when high humility, then warning circuit reminds staff to take emergency measures, avoid causing danger, substantially increase bus duct safety in use.
As preferably, described supervising device also includes the intermittent drive circuit for driving humidity measuring circuit intermittent work.
As preferably, described intermittent drive circuit is multi-resonant oscillating circuit, and described multi-resonant oscillating circuit is coupled to humidity measuring circuit to provide intermittence to drive signal.
As preferably, described multi-resonant oscillating circuit is 555 oscillating circuits.
Use such scheme, owing to the change of humidity will not cataclysm within a time the shortest, in i.e. having only to the at one end time, detection is once, without detection in real time, drive humidity measuring circuit to detect by intermittence, can effectively avoid carrying out for a long time detecting and causing the situation of waste of energy.
As preferably, described humidity measuring circuit includes positive humidity coefficient humistor and divider resistance；One end of described divider resistance is coupled to power supply, and the other end is coupled to ground connection after positive humidity coefficient humistor.
Using the setting of such scheme, positive humidity coefficient humistor and divider resistance, overall circuit structure is more simple, easily realizes, and cost is cheaper in process of production.
As preferably, described warning circuit realizes warning by light and/or sound.
As preferably, described warning circuit realizes warning by light flash.
As preferably, described warning circuit includes agitator, switch element and warning lamp, the controlled terminal of described agitator is coupled to control circuit to receive control signal, the outfan of described agitator is coupled to switch element to control its discontinuity break-make, and described warning lamp is coupled to switch element and is controlled by switch element.
Use such scheme, multiple combination mode i.e. can warn with practical lamp light, can also be warned by sound, can also be warned with sound by light simultaneously simultaneously, be adapted to each different environment, improve utilization rate, preferably employ is that the mode of light flash warns, because sound is more noisy in most factory, so staff can notice timely, and the mode of light flash is the most eye-catching, staff can be reminded faster.
As preferably, described supervising device also includes for indicating the in running order indicating circuit of humidity measuring circuit.
Use such scheme, it is achieved when humidity measuring circuit indicates during detecting the air humidity of casing surroundings, facilitate the duty that staff is current.
As preferably, described supervising device also includes latching circuit, and when detecting signal more than reference value signal, described control circuit controls latching circuit work to keep warning circuit to work all the time.
Use such scheme, i.e. when humidity measuring circuit detects that humidity is too high, can be warned by warning circuit in time, keep warning circuit work simultaneously, it is allowed persistently to warn, avoid the occurrence of warning circuit to report to the police and turn off after a period of time, and the staff of correspondence is not to be noted, in turn results in bus duct and breaks down.
In sum, this utility model has the advantages that
1, in real time the air humidity of casing surroundings being detected by supervising device, if working when high humility, then reminding staff to take emergency measures, it is to avoid to cause danger.
Accompanying drawing explanation
Fig. 1 is the structural representation of bus duct；
Fig. 2 is the circuit theory diagrams of the intermittent drive circuit of embodiment two；
Fig. 3 be in embodiment the circuit theory diagrams of supervising device.
In figure: 1, housing；2, supervising device；21, humidity measuring circuit；22, comparison circuit；23, control circuit；24, warning circuit；25, intermittent drive circuit；26, indicating circuit；27, latching circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
A kind of air-type bus duct disclosed in the present embodiment, as shown in Figure 1, including housing 1, air-type bus duct is applicable to AC three-phase four line, three-phase five-wire mode, frequency 50～60Hz, rated voltage is to 660V, the power supply-distribution system of rated operational current 250～6000A, undertake distribution task, air-type bus duct bus-bars conductor selects high-purity electrolytic copper, conductive surface total length is tin plating, improve conductors against oxidation corrosive power, process with pvc pipe pyrocondensation again after processing, alternate and separate with collets over the ground, copper bus-bar obtains double insulation protection, insulating properties are greatly improved, it is then blocked in the housing 1 of ground connection.
Air-type bus duct housing 1 uses the high-quality high intensity cold corrugated structure of steel rolling once cold rolling, and not only good looking appearance is generous, is more greatly enhanced the mechanical strength of bus duct and the dynamic thermal stability of system, can thoroughly solve the difficult problem that the big span in job site is installed.
Devising safety protection guard at air-type bus duct jack, when only protective baffle plate pulls open, jack box could access, effectively prevent the entrance of spigot dust and foreign body, thus improve the protective of bus duct, prevent maloperation, make the safety of bus be greatly improved.
Embodiment one, as shown in Figure 3, the surface of housing 1 is provided with the supervising device 2 for monitoring air humidity, and supervising device 2 includes the humidity measuring circuit 21 for detecting air humidity output detections signal, is coupled to humidity measuring circuit 21 to receive detection signal and to export the comparison circuit 22 of comparison signal, be coupled to comparison circuit 22 to receive comparison signal and export the control circuit 23 of control signal and be coupled to control circuit 23 and the warning circuit 24 in response to control signal；Comparison circuit 22 includes a reference value signal, and when detecting signal more than reference value signal, control circuit 23 controls warning circuit 24 and works.
Humidity measuring circuit 21 includes positive humidity coefficient humistor MS and divider resistance R2；One end of divider resistance R2 is coupled to power supply, and the other end is coupled to ground connection after positive humidity coefficient humistor MS.Humistor includes positive humidity coefficient humistor MS and negative humidity coefficient humistor two kinds, used positive humidity coefficient humistor MS, i.e. when extraneous humidity becomes big, the resistance of positive humidity coefficient humistor MS reduces, when extraneous humidity reduces, the resistance of positive humidity coefficient humistor MS increases.
Comparison circuit 22 is preferably the comparator of LM393A model, the in-phase end of comparing unit is connected with positive humidity coefficient humistor MS to receive detection signal, end of oppisite phase connects default reference value signal Vref1, reference value signal Vref1 is arranged by resistance R1, the detection signal detected is compared to each other with reference value signal Vref1, and export comparison signal, when detection signal is more than reference value signal, the comparison signal of output high level, when detection signal is less than reference value signal, the comparison signal of output low level.
Control circuit 23 includes switch element and executive component, switch element is preferably the audion Q1 of NPN type, executive component is preferably relay K M1, the controlled end of switch element is coupled to comparison circuit 22 to receive comparison signal, executive component be coupled to switch element and be controlled by switch element with control warning circuit 24 open and close, the base stage of audion Q1 is coupled to comparing unit to receive comparison signal, the colelctor electrode of audion Q1 connects power supply after being coupled to the coil of relay K M1, and the grounded emitter of audion Q1, the normally opened contact of relay K M1 is coupled to warning circuit 24 and opens and closes to control it.
Warning circuit 24 realizes warning by light and/or sound.Preferably warning circuit 24 realizes warning by light flash.Warning circuit 24 includes agitator, switch element and warning lamp L1, switch element is preferably the audion Q3 of NPN type, the controlled terminal of agitator is coupled to control circuit 23 to receive control signal, the outfan of agitator is coupled to switch element to control its discontinuity break-make, and warning lamp is coupled to switch element and is controlled by switch element.Agitator is the agitator being made up of resistance, electric capacity and two NAND gate, the controlled terminal of agitator connects power supply after being coupled to the normally opened contact of relay K M1, the outfan of agitator is coupled to the base stage of audion Q3, and control the break-make of audion Q3, the colelctor electrode of audion Q3 connects power supply, the grounded emitter of audion Q3 after being connected to warning lamp L1.
Embodiment two, as it is shown in figure 1, on the basis of based on embodiment one, supervising device 2 also includes the intermittent drive circuit 25 for driving humidity measuring circuit 21 intermittent work.Intermittent drive circuit 25 is multi-resonant oscillating circuit, and multi-resonant oscillating circuit is coupled to humidity measuring circuit 21 to provide intermittence to drive signal.Multi-resonant oscillating circuit is 555 oscillating circuits.Multi-resonant oscillating circuit is made up of 555 timing chips, first pin ground connection of 555 intervalometers, second pin and the 6th pin couple, and and power supply VCC between be connected with the 6th adjustable resistance R6 and the 5th resistance R5, 7th pin is connected to the 6th adjustable resistance R6 and the 5th resistance R5 and connects the node formed, the 3rd electric capacity C3 also it is connected with between described second pin and ground end, it is connected with the 4th electric capacity C4 between 5th pin and ground end, the dutycycle of its output PWM ripple can be controlled by controlling the 6th adjustable resistance R6, thus control to export the interlude of pulse, and then realize output square wave to be just driven after separated in time.The outfan of 555 intervalometers is connected to the base stage of audion Q2, the colelctor electrode of audion Q2 is connected to relay K M2, and the normally opened contact of relay K M2 controls the keying of humidity measuring circuit 21, the function of discontinuity conducting is i.e. realized by multi-resonant oscillating circuit, making audion Q2 discontinuous conduction, Control humidity measuring circuit 21 discontinuity detects.
Embodiment three, as it is shown on figure 3, on the basis of based on embodiment one to two, supervising device 2 also includes for indicating the in running order indicating circuit 26 of humidity measuring circuit 21.Indicating circuit 26 includes protective resistance R4 and the display lamp LED1 being serially connected; indicating circuit 26 is connected between the normally opened contact of relay K M2 and humidity measuring circuit 21; after the normally opened contact of relay K M2 closes, i.e. corresponding humidity measuring circuit 21 starts, and gives directions circuit also to work simultaneously.
Embodiment four, as it is shown on figure 3, on the basis of based on embodiment one to three, supervising device 2 also includes latching circuit 27, when detecting signal more than reference value signal, control circuit 23 controls latching circuit 27 and works to keep warning circuit 24 to work all the time.Latching circuit 27 includes the normally opened contact of relay K M1, on the normally opened contact of the relay K M1 normally opened contact with relay K M2 in parallel.I.e. after the coil of relay K M1 turns on, then corresponding normally opened contact Guan Bi, thus keep humidity measuring circuit 21 to work all the time and do not controlled by multi-resonant oscillating circuit, it is achieved the function of self-locking.
In the case of humidity is normal, by under the control of multi-resonant oscillating circuit, humidity measuring circuit 21 discontinuity detects, if humidity is too high, then the detection signal detected by humidity measuring circuit 21 is sent to comparison circuit 22 and compares, i.e. detection signal is more than reference value signal, comparison circuit 22 exports the comparison signal of high level, when then the base stage of audion Q1 receives as high level signal, audion Q1 turns on, and then it is electric to make the coil of relay K M1 obtain, control the normally opened contact Guan Bi of relay K M1, make to control oscillator operation, export a control signal, control signal is square wave, control audion Q2 and replace break-make, so that warning lamp L1 discontinuity is reported to the police, placement personnel are reminded to make the emergency measure of correspondence.Meanwhile, the normally opened contact Guan Bi of relay K M1, also make to keep humidity measuring circuit 21 to work all the time and do not controlled by multi-resonant oscillating circuit.
Claims (10)
1. an air-type bus duct, including housing (1), it is characterized in that: the surface of described housing (1) is provided with the supervising device (2) for monitoring air humidity, described supervising device (2) includes the humidity measuring circuit (21) for detecting air humidity output detections signal, it is coupled to humidity measuring circuit (21) to receive detection signal and to export the comparison circuit (22) of comparison signal, it is coupled to comparison circuit (22) to receive comparison signal and export the control circuit (23) of control signal and be coupled to control circuit (23) and the warning circuit (24) in response to control signal；Described comparison circuit (22) includes a reference value signal, and when detecting signal more than reference value signal, described control circuit (23) controls warning circuit (24) work.
A kind of air-type bus duct the most according to claim 1, is characterized in that: described supervising device (2) also includes the intermittent drive circuit (25) for driving humidity measuring circuit (21) intermittent work.
A kind of air-type bus duct the most according to claim 2, it is characterized in that: described intermittent drive circuit (25) is multi-resonant oscillating circuit, described multi-resonant oscillating circuit is coupled to humidity measuring circuit (21) to provide intermittence to drive signal.
A kind of air-type bus duct the most according to claim 3, is characterized in that: described multi-resonant oscillating circuit is 555 oscillating circuits.
A kind of air-type bus duct the most according to claim 1, is characterized in that: described humidity measuring circuit (21) includes positive humidity coefficient humistor and divider resistance；One end of described divider resistance is coupled to power supply, and the other end is coupled to ground connection after positive humidity coefficient humistor.
A kind of air-type bus duct the most according to claim 1, is characterized in that: described warning circuit (24) realizes warning by light and/or sound.
A kind of air-type bus duct the most according to claim 6, is characterized in that: described warning circuit (24) realizes warning by light flash.
A kind of air-type bus duct the most according to claim 7, it is characterized in that: described warning circuit (24) includes agitator, switch element and warning lamp, the controlled terminal of described agitator is coupled to control circuit (23) to receive control signal, the outfan of described agitator is coupled to switch element to control its discontinuity break-make, and described warning lamp is coupled to switch element and is controlled by switch element.
A kind of air-type bus duct the most according to claim 1, is characterized in that: described supervising device (2) also includes for indicating the in running order indicating circuit (26) of humidity measuring circuit (21).
A kind of air-type bus duct the most according to claim 1, it is characterized in that: described supervising device (2) also includes latching circuit (27), when detecting signal more than reference value signal, described control circuit (23) controls latching circuit (27) work to keep warning circuit (24) to work all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216665.0U CN205429645U (en) | 2016-03-21 | 2016-03-21 | Air bus slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216665.0U CN205429645U (en) | 2016-03-21 | 2016-03-21 | Air bus slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429645U true CN205429645U (en) | 2016-08-03 |
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ID=56519660
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216665.0U Expired - Fee Related CN205429645U (en) | 2016-03-21 | 2016-03-21 | Air bus slot |
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| CN (1) | CN205429645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998895A (en) * | 2020-08-26 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Humidity monitoring method and device |
-
2016
- 2016-03-21 CN CN201620216665.0U patent/CN205429645U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998895A (en) * | 2020-08-26 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Humidity monitoring method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |