CN202601098U - Height-limiting warning device - Google Patents

Height-limiting warning device Download PDF

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Publication number
CN202601098U
CN202601098U CN 201220039066 CN201220039066U CN202601098U CN 202601098 U CN202601098 U CN 202601098U CN 201220039066 CN201220039066 CN 201220039066 CN 201220039066 U CN201220039066 U CN 201220039066U CN 202601098 U CN202601098 U CN 202601098U
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CN
China
Prior art keywords
limit
height
electricity
transmission line
voltage
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Expired - Fee Related
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CN 201220039066
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Chinese (zh)
Inventor
曾奕
廖宝文
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SHANGHAI CHANLIAN ELECTRIC TECHNOLOGY Co Ltd
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SHANGHAI CHANLIAN ELECTRIC TECHNOLOGY Co Ltd
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Priority to CN 201220039066 priority Critical patent/CN202601098U/en
Application granted granted Critical
Publication of CN202601098U publication Critical patent/CN202601098U/en
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Abstract

The utility model provides a height-limiting warning device applied in a power transmission line, comprising: an electricity obtaining unit directly obtaining electricity from the power transmission line via the mode of induction electricity obtaining to get power supply; a display unit for dynamically displaying height-limiting warning information at least comprising the off-ground distance of the power transmission line or the height limiting data; a processing unit connected with the electricity obtaining unit and the display unit, and determining the display mode of the display module via determination of the magnitude of obtained electricity of the electricity obtaining unit. Compared with the prior art, the height-limiting warning device is not only provided with the advantaged by of stable power supply, but can also effectively solve problems of visual fatigue, etc. easily caused by no warning, unobvious warning or static warning information of the power transmission line crossing a main city road, or on a highway or the national road, and can effectively prevent the accident of discharge or scraping.

Description

The limit for height alarming device
Technical field
The utility model relates to a kind of limit for height alarming device that is applied to transmission line of electricity.
Background technology
For the above high-voltage transmission circuit of 10KV, except that a small amount of cable is underground laying, major part all is to set up in the open.Because transmission line and relevant device thereof expose in physical environment, various extraneous factors are bigger to the safe operation influence of transmission line.For example: when thunder, rain, wind, mist, snow weather, always have some line facilities line fault to take place because of resisting these disasteies.For another example; Because circuit is to set up in the open, busy day by day along with the high speed development of economic construction and road traffic, various modern urban roads, highway and national highway get more and more; Certainly will make these high-tension lines will be across these roads; The caution of limit for height if do not annotate vehicle occurs possibly because of do not know that limit for height takes place to get an electric shock even hang and bump accident under the situation of vehicle superelevation, causes casualties and serious economy loss.Therefore, the device of limit for height caution generally all can be set, to avoid the generation of above-mentioned situation for this high-tension line.
At present, the limit for height alarming device that at present provides comprises and is installed on the common warning sign on roadside circuit below and the shaft tower and hangs on the digital warning sign that on the hv transmission line, dynamically shows.But there is following weak point in these warning ways: (1), for common warning sign, characteristic is not obvious and display effect is not good, lets the people turn a blind eye to and aestheticly tired easily, and poorer in the warning at night effect.(2), for the digital warning sign of dynamic demonstration, its power issue is difficult to solve.Common power supply mode is a powered battery, yet battery life is limited, and need to have a power failure changes, and its battery operation situation of running audit can't driving arrangement work to avoid occurring power shortage.In addition, the power supply mode that proposes to adopt solar storage battery is arranged also, but, the power supply mode of solar storage battery is difficult to provide than large power supply power, and cost is too high, more can't realize round-the-clock power supply.(3), these two kinds of warning ways have a common shortcoming can't show the hi-line ground clearance exactly and limit for height are provided.
The utility model content
In order to solve the problems referred to above and other problems that exists in the prior art; The utility model provides a kind of limit for height warning sign that is applied to transmission line; Not only can provide dynamic circulation to show that the limit for height information warning discharges or hangs the accident of bumping avoiding, advantage such as have more that display effect is good, self-induction power taking and power consumption are little, safe and reliable.
For this reason; The utility model provides a kind of limit for height alarming device that is applied to transmission line of electricity; Said limit for height alarming device supplies to be assembled on the transmission line of electricity, and said limit for height alarming device comprises: power taking unit, the mode through the induction power taking directly from the transmission line of electricity power taking to obtain power supply; Be used for dynamically showing the display unit of limit for height information warning, said limit for height information warning comprises the ground clearance or the limit for height data of said transmission line of electricity at least; Processing unit is connected with said display unit with said power taking unit; Said processing unit decides the display mode of display module through the size of judging power taking unit power taking.
Alternatively, said limit for height alarming device also comprises the range cells that is used to measure said ground clearance.
Alternatively, said limit for height data are to be calculated according to the said ground clearance that has recorded and the electric pressure of said transmission line of electricity by said range cells.
Alternatively, said range cells adopts the ultrasonic ranging mode.
Alternatively, said power taking unit comprises: inductive coil, have source electrode and relative with said source electrode secondary, and wherein, said transmission line of electricity is as source electrode; Be connected, be used for secondary induction to said inductive coil with said inductive coil secondary and obtain the rectification circuit that alternating voltage carries out output dc voltage behind the rectifying and wave-filtering; Be connected, be used for the DC/DC change-over circuit that DC voltage to the output of said rectification circuit carries out obtaining after the DC/DC conversion being suitable for the WV of follow-up unit with said rectification circuit.
Alternatively, said power taking unit also comprises: said rectification circuit front end and be connected across said inductive coil secondary opposite end, be used to clamp down on the voltage clamp circuit of voltage; Be connected, be used for the controllable silicon that when the DC voltage of said rectification circuit output is excessive, unnecessary power consumption fallen with said voltage clamp circuit with the secondary opposite end of said inductive coil.
Alternatively, said rectification circuit is a rectifier bridge.
Alternatively, said WV is 5 volts.
Alternatively; Said processing unit decides the display mode of display module to comprise through the size of judging power taking unit power taking: said processing unit according to sampled value, utilizes the PWM width modulation to export the brightness of controlling the LED lamp through the power taking voltage of said power taking unit is sampled; Promptly; When dutycycle was maximum, lamp was the brightest, and power consumption is the highest; Turn dutycycle down, can reduce the brightness of lamp, to reduce power consumption.
Alternatively, said limit for height alarming device comprises that also confession is assembled to the lock tooth form anury recoil inserts anchor clamps on the transmission line of electricity.
The limit for height alarming device that the utility model provides, the display unit that provides can dynamically show the limit for height information warning, said limit for height information warning comprises the ground clearance or the limit for height data of said transmission line of electricity at least.With respect to prior art, efficiently solving does not have across the transmission line of electricity on main cities road, highway or the national highway that caution, the not obvious or information warning of caution are static to be prone to cause problem such as visual fatigue, can effectively avoid discharging or hanging the accident of bumping.
In addition; The limit for height alarming device that the utility model provides; The power taking unit that provides can be through the induction power taking mode directly from the transmission line of electricity power taking to obtain power supply; Compare existing solar cell for supplying power or batteries to store energy, having power supply stable, do not cut off the power supply and advantage such as cost savings.
Description of drawings
Fig. 1 is the functional block diagram of the limit for height alarming device of the utility model.
Fig. 2 is the electrical block diagram of power taking unit in a concrete application examples in the utility model.
Embodiment
In view of limit for height alarming device in the prior art exist display effect not good, can not show that limit for height information maybe can not guarantee problems such as stabilized power source power supply; The inventor of the utility model improves prior art; A kind of limit for height alarming device that is applied to transmission line of electricity has been proposed; Dispose especially through the induction power taking mode directly from the transmission line of electricity power taking with power taking unit that obtains power supply and the display unit that is used for dynamically showing the limit for height information warning; Not only the limit for height information warning can be dynamically shown, more stable power supply can be obtained.
Below will be elaborated through the limit for height alarming device that is applied to transmission line of electricity that specific embodiment comes the utility model is proposed.What need explanation is that in following examples, for ease of describing, said transmission line of electricity both can be the above high-voltage transmission circuit of 10KV, also can be the normal transmission circuit below the 10KV.
Fig. 1 is the functional block diagram of the limit for height alarming device of the utility model.As shown in Figure 1, saidly comprise: power taking unit 10, display unit 12, range cells 14 and processing unit 16 at the limit for height alarming device.
Below above-mentioned each unit is described in detail.
Power taking unit 10, the mode through the induction power taking directly from the high-voltage transmission circuit power taking to obtain to offer the power supply of other each cell operations.
Fig. 2 is the electrical block diagram of power taking unit 10 in a concrete application examples in the utility model.As shown in Figure 2, power taking unit 10 specifically comprises: inductive coil, rectification circuit, DC/DC change-over circuit, voltage clamp circuit and controllable silicon.Inductive coil with the source electrode of said high-voltage transmission circuit as inductive coil, utilizes electromagnetic induction, at the secondary acquisition induction power supply (that is alternating voltage) of inductive coil.Rectification circuit is connected with the secondary of said inductive coil, is used for secondary induction to said inductive coil and obtains alternating voltage and carry out output dc voltage behind the rectifying and wave-filtering.In the present embodiment, said rectification circuit for example is the rectifier bridge that is made up of commutation diode.The DC/DC change-over circuit is connected, is used for the WV (for example being 5V) that DC voltage to the output of said rectification circuit carries out obtaining being suitable for after the DC/DC conversion follow-up unit with said rectification circuit.Voltage clamp circuit is arranged on said rectification circuit front end and is connected across the secondary opposite end of said inductive coil, is used to clamp down on voltage.Controllable silicon is connected with said voltage clamp circuit with the secondary opposite end of said inductive coil, is used for when the DC voltage of said rectification circuit output is excessive, unnecessary power consumption being fallen.Particularly, in the high-voltage transmission circuit electric current hour, controllable silicon is not worked; And when electric current was big in the high-voltage transmission circuit, the alternating voltage of induction was very high, and said voltage clamp circuit promptly is used for clamping down on alternating voltage, prevents that alternating voltage is too high, and utilizes said controllable silicon that unnecessary power consumption is fallen.Cooperate through above-mentioned voltage clamp circuit and silicon controlled, can guarantee making full use of and the stable supply of voltage of electric energy.
Display unit 12 is used for dynamically showing the limit for height information warning.In the present embodiment, display unit adopts the ripe LED electronic display of existing market, and said display screen has low in energy consumption, and water resistance is good, and brightness is high, characteristics such as long service life, and technology maturation, good stability.Said limit for height information warning comprises the ground clearance or the limit for height data of said high-voltage transmission circuit at least, for example, and under a situation; Said limit for height information warning for example can comprise " Keep Clear-High Voltage " and displaying contents such as " the * * rice apart from ground "; Said two groups of displaying contents show dynamically that with the mode of taking turns like this, static state shows relatively; The advantage that dynamically shows is to prevent visual fatigue, more can cause the attention of human pilot.Under another situation, said limit for height information warning for example can comprise that also " Keep Clear-High Voltage " and displaying contents such as " limit for height * * rice " are with dynamic demonstration.
Range cells 14 is used to measure the ground clearance of said limit for height alarming device after being assembled on the high-voltage transmission circuit.In the present embodiment, range cells 14 is used ultrasonic ranging, and supersonic sounding has low in energy consumption, and performance is good, characteristics such as accuracy height.Generally speaking, range finding only needs when said limit for height alarming device is installed, to carry out once getting final product.In addition, further, range cells 14 can also calculate the limit for height data according to the ground clearance that has recorded and the electric pressure of hi-line.
Processing unit 16 is connected with power taking unit 10, display unit 12 and range cells 14, is used for deciding through the size of judging power taking unit 10 power takings the display mode of display module.Because the electric current that the high-voltage transmission circuit passes through is not fixed, constantly changing, therefore; The power taking voltage that 16 pairs of power taking unit of processing unit 10 obtain is sampled; According to the size of sampled value, judge the current conditions of high-voltage transmission circuit, thus the mode of operation that decision is taked.Particularly, utilize the PWM width modulation to export the brightness of controlling the LED lamp, that is, when dutycycle was maximum, lamp was the brightest, and power consumption is the highest; Turn dutycycle down, can reduce the brightness of lamp, to reduce power consumption.
Have, for making that said limit for height alarming device can be firmly and be assembled to safely on the high-voltage transmission circuit, the limit for height alarming device of the utility model also provides lock tooth form anury recoil inserts anchor clamps again, utilizes lock tooth form anury screw thread anchor clamps to come lead is clamped.Characteristics such as that the lock tooth form anury recoil inserts in the said lock tooth form anury recoil inserts anchor clamps has is anti-loose, antidetonation, it is loosening to prevent effectively that said limit for height alarming device from producing on lead.Especially, the surface of contact of this anchor clamps and high-voltage transmission circuit has carried out widening Design, makes contact area bigger, and is designed with screw thread on the surface of contact, effectively improves friction factor, anti-sliding stop; Holding screw for pressure arm adopts the locking swivel nut of lock tooth, can prevent effectively that screw from getting loose, and guarantees safety.
In sum, the limit for height alarming device that the utility model provides, the display unit that provides can dynamically show the limit for height information warning, said limit for height information warning comprises the ground clearance or the limit for height data of said transmission line of electricity at least.With respect to prior art, efficiently solving does not have across the transmission line of electricity on main cities road, highway or the national highway that caution, the not obvious or information warning of caution are static to be prone to cause problem such as visual fatigue, can effectively avoid discharging or hanging the accident of bumping.
In addition; The limit for height alarming device that the utility model provides; The power taking unit that provides can be through the induction power taking mode directly from the transmission line of electricity power taking to obtain power supply; Compare existing solar cell for supplying power or batteries to store energy, having power supply stable, do not cut off the power supply and advantage such as cost savings.
Have again; The voltage clamp circuit that the utility model provides and the controllable silicon of cooperation thereof; The alternating voltage that can clamp down on induction prevents that alternating voltage is too high, and utilizes said controllable silicon that unnecessary power consumption is fallen, and can guarantee making full use of and the stable supply of voltage of electric energy.
Also have, for making that said limit for height alarming device can be firmly and be assembled to safely on the high-voltage transmission circuit, the limit for height alarming device of the utility model also provides lock tooth form anury recoil inserts anchor clamps, has firm and safe advantage is installed.
Should be pointed out that present embodiment just lists the principle and the effect of expressivity explanation the utility model, but not be used to limit the utility model.Any personnel that are familiar with this technology all can make amendment to the foregoing description under the spirit and scope of the utility model.Therefore, the rights protection scope of the utility model should be listed like claims.

Claims (8)

1. limit for height alarming device, said limit for height alarming device supply to be assembled on the transmission line of electricity, it is characterized in that said limit for height alarming device comprises:
Power taking unit, the mode through the induction power taking directly from the transmission line of electricity power taking to obtain power supply;
Be used for dynamically showing the display unit of limit for height information warning, said limit for height information warning comprises the ground clearance or the limit for height data of said transmission line of electricity at least;
Processing unit is connected with said display unit with said power taking unit; Said processing unit decides the display mode of display module through the size of judging power taking unit power taking.
2. limit for height alarming device according to claim 1 is characterized in that, also comprises the range cells that is used to measure said ground clearance.
3. limit for height alarming device according to claim 2 is characterized in that, said range cells adopts the ultrasonic ranging mode.
4. limit for height alarming device according to claim 1 is characterized in that, said power taking unit comprises:
Inductive coil has source electrode and relative with said source electrode secondary, and wherein, said transmission line of electricity is as source electrode;
Be connected, be used for secondary induction to said inductive coil with said inductive coil secondary and obtain the rectification circuit that alternating voltage carries out output dc voltage behind the rectifying and wave-filtering;
Be connected, be used for the DC/DC change-over circuit that DC voltage to the output of said rectification circuit carries out obtaining after the DC/DC conversion being suitable for the WV of follow-up unit with said rectification circuit.
5. limit for height alarming device according to claim 4 is characterized in that, said power taking unit also comprises:
Said rectification circuit front end and be connected across said inductive coil secondary opposite end, be used to clamp down on the voltage clamp circuit of voltage;
Be connected, be used for the controllable silicon that when the DC voltage of said rectification circuit output is excessive, unnecessary power consumption fallen with said voltage clamp circuit with the secondary opposite end of said inductive coil.
6. according to claim 4 or 5 described limit for height alarming devices, it is characterized in that said rectification circuit is a rectifier bridge.
7. according to claim 4 or 5 described limit for height alarming devices, it is characterized in that said WV is 5 volts.
8. limit for height alarming device according to claim 1 is characterized in that, also comprises supplying to be assembled to the lock tooth form anury recoil inserts anchor clamps on the transmission line of electricity.
CN 201220039066 2012-02-07 2012-02-07 Height-limiting warning device Expired - Fee Related CN202601098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220039066 CN202601098U (en) 2012-02-07 2012-02-07 Height-limiting warning device

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Application Number Priority Date Filing Date Title
CN 201220039066 CN202601098U (en) 2012-02-07 2012-02-07 Height-limiting warning device

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CN202601098U true CN202601098U (en) 2012-12-12

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CN 201220039066 Expired - Fee Related CN202601098U (en) 2012-02-07 2012-02-07 Height-limiting warning device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501607A (en) * 2020-04-27 2020-08-07 毛嘉豪 Overhead cable height limit warning sign

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501607A (en) * 2020-04-27 2020-08-07 毛嘉豪 Overhead cable height limit warning sign

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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

Granted publication date: 20121212

Termination date: 20210207

CF01 Termination of patent right due to non-payment of annual fee