CN204859177U - Survey line device suitable for distribution frame - Google Patents

Survey line device suitable for distribution frame Download PDF

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Publication number
CN204859177U
CN204859177U CN201520450775.9U CN201520450775U CN204859177U CN 204859177 U CN204859177 U CN 204859177U CN 201520450775 U CN201520450775 U CN 201520450775U CN 204859177 U CN204859177 U CN 204859177U
Authority
CN
China
Prior art keywords
discharge tube
measurement mechanism
input terminal
measuring device
applicable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520450775.9U
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Chinese (zh)
Inventor
李茜
李秀强
林祺蓉
谢帅
刘达
韩梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520450775.9U priority Critical patent/CN204859177U/en
Application granted granted Critical
Publication of CN204859177U publication Critical patent/CN204859177U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a survey line device suitable for distribution frame, includes the shell, the shell front end is equipped with to be participated in, and the shell is inside to be equipped with the internal connection circuit, and the internal connection circuit passes through wire electrical connection measuring device, the internal connection circuit includes is connected input terminal an and input terminal b with participating in, input terminal an is connected output terminal A through the thermistor R1 who establishes ties in proper order with switch S1, output terminal A is through first discharge tube ground connection, input terminal b is connected output terminal B through the thermistor R2 who establishes ties in proper order with switch S2, output terminal B passes through second discharge tube ground connection, first discharge tube passes through the positive pole that switch S3 is connected emitting diode D1 with node between the second discharge tube, emitting diode D1's negative pole connecting terminal S. It can solve a great deal of trouble that the test of present accent line brought, can effectively test the distance that is out of order simultaneously.

Description

A kind of measuring device being applicable to distributing frame
Technical field
The utility model relates to electronic communication field field tests, particularly relates to a kind of measuring device being applicable to distributing frame.
Background technology
Distributing frame is the important connecting link that telephone terminal and switch are transferred, and is the technical basis of phone fault inquiry, test simultaneously.Due to distribution frame module complex structure and without special measurement instrument, bring certain difficulty to distribution test job.There is no special line-checking tool in real work, need during distribution to test with interim line transfer to bring many troubles.Because interim line transfer is thin and soft, during survey line and the frequent loose contact of the copper sheet of wiring ports have impact on phone fault inquiry; And sometimes also often cause two lines intersection short circuits to cause switch ports themselves impaired because of carelessness, affect the transmission quality of equipment.Thus delay troubleshooting, extend communication interruption time.We can solve this difficult problem by carrying out technological innovation to distributing frame protector, greatly increase work efficiency.
Meanwhile, existing line fault measurement mechanism is heavier, and not portable, production cost is high, and precision is inadequate, can not measure fault distance accurately.
Utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of measuring device being applicable to distributing frame, it can solve existing line transfer and test the many troubles brought, and simultaneous measuring apparatus precision is high, and cost is low, can be out of order distance by Validity Test.
To achieve these goals, the technical scheme that the utility model adopts is:
Be applicable to a measuring device for distributing frame, comprise shell, described case nose is provided with pin, and described enclosure is provided with internal connection circuit, and described internal connection circuit is electrically connected measurement mechanism by wire; Described internal connection circuit comprises and is connected input terminal a and input terminal b with pin, described input terminal a is connected lead-out terminal A by the thermistor R1 connected successively with switch S 1, described lead-out terminal A is by the first discharge tube ground connection, described input terminal b is connected lead-out terminal B by the thermistor R2 connected successively with switch S 2, described lead-out terminal B is by the second discharge tube ground connection, node between described first discharge tube and the second discharge tube passes through the anode of switch S 3 connecting luminous diode D1, the cathode connecting terminal S of described light-emitting diode D1.
Described measurement mechanism comprises, measurement mechanism housing, described measurement mechanism housing is provided with LED indicating module, input through keyboard module and voice indicating module, measuring circuit is provided with in described measurement mechanism housing, described measuring circuit comprises timer, described timer connects pulse generator, described pulse generator also connects wire and internal balance network respectively, described internal balance network connects microprocessor by amplifier, described wire connects microprocessor by amplifier, described microprocessor connects keyboard input module respectively, voice cue module and LED indicating module.
Described microprocessor is AT89C51.
Described first discharge tube is ceramic discharge tube or glass discharge vessel.
Described second discharge tube is ceramic discharge tube or glass discharge vessel.
Described shell and measurement mechanism housing are flame-retardant plastic housing.
The beneficial effects of the utility model are: adopt pin design instead of and existingly manually line transfer is connected to measuring device, ensure that the accurate of whole survey line process, release both hands simultaneously, improve efficiency; Utilize AT89C51 single-chip microcomputer and peripheral circuit composition measuring apparatus thereof, utilize the principle measurement circuitry fault distance of low voltage pulse reflection method, improve the accuracy of measurement; This installation cost is low simultaneously, simple operations, is convenient to promote.
Accompanying drawing explanation
Fig. 1 the utility model structural representation;
Fig. 2 internal circuit connection layout;
Fig. 3 measurement mechanism front view;
Fig. 4 measurement mechanism internal circuit configuration figure.
Wherein, 1 pin; 2 shells; 3 wires; 4 measurement mechanisms; 5 measurement mechanism housings.
Embodiment
In order to better understand the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of measuring device being applicable to distributing frame, comprise pin 1, shell 2, wire 3 and measurement mechanism 4, pin 1 is arranged on one end of shell 2, pin 1 is the made pin of hard metal conductor, pin is electrically connected internal connection circuit successively, and described internal connection circuit connects measurement mechanism 4 by wire 3, internal connection circuit 3 act as conducting pin and measurement mechanism.
During use, pin is directly inserted in distributing frame and can gather line information in distributing frame.
Circuit connection circuit comprises internal connection circuit and comprises and be connected input terminal a and input terminal b with pin, described input terminal a is connected lead-out terminal A by the thermistor R1 connected successively with switch S 1, described lead-out terminal A is by the first discharge tube ground connection, described input terminal b is connected lead-out terminal B by the thermistor R2 connected successively with switch S 2, described lead-out terminal B is by the second discharge tube ground connection, node between described first discharge tube and the second discharge tube is by the anode of switch S 3 connecting luminous diode D1, the cathode connecting terminal S of described light-emitting diode D1, described terminal S is the warning circuit binding post of distributing frame.
Warning circuit is the inner security alarm circuit in order to point out distributing frame whether to need to be subject to set by external voltage (such as the interference voltage such as thunder and lightning, electrostatic) interference of distributing frame.
Thermistor R1 and R2 is semistor, increases the sensitivity of whole device Information Monitoring, and the 210 seconds reaction time compared to existing action reduced within 10 seconds.
Lead-out terminal A and B is for connecting wire, and wire is by being welded to connect on lead-out terminal A and B.
Described measurement mechanism comprises, measurement mechanism housing 5, described measurement mechanism housing is provided with LED indicating module, input through keyboard module and voice indicating module, measuring circuit is provided with in described measurement mechanism housing, described measuring circuit comprises timer, described timer connects pulse generator, described pulse generator also connects wire and internal balance network respectively, described internal balance network connects microprocessor by amplifier, described wire connects microprocessor by amplifier, described microprocessor connects keyboard input module respectively, voice cue module and LED indicating module.
The measuring principle that measurement mechanism utilizes is action of low-voltage pulse principle of reflection, by observe fault point transmitted pulse and exomonental time difference find range from.Timer Controlling pulse generator produces pulse, and two signals launched by pulse generator, and one passes to internal balance network, and another passes to the cable in distributing frame by wire.The feedback signal of internal balance network and cable passes to microprocessor by the amplification of amplifier, sends fault message to LED indicating module and voice cue module respectively after microprocessor processes.Input through keyboard module is used for operated by personnel's input through keyboard.
Microprocessor adopts AT89C51 single-chip microcomputer, and it is kind of low-voltage high-performance CMOS 8 single-chip microcomputers, and compatibility standard MCS-51 command system, process information ability is high, and transient response is fast.Its cost performance is high, can meet the demand of the technical program completely.
Internal balance network is based on internal balance resistance technique, and object is to reduce to measure blind area, and increases amplifying circuit gain to greatest extent, improves the amplitude of fault point reflected impulse, avoids the wave distortion of pulse-echo.
Described first discharge tube is ceramic discharge tube or glass discharge vessel.Described second discharge tube is ceramic discharge tube or glass discharge vessel.Ceramic discharge tube or glass discharge vessel, long service life, release voltage ability is good.Can effectively avoid because external voltage raises suddenly the destruction to whole device.
Described shell and measurement mechanism housing are flame retardant plastics housing.Flame retardant plastics is light, insulation, and fusing point is high simultaneously, can prevent the destruction of whole device heating to device because overtension causes.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.

Claims (6)

1. be applicable to a measuring device for distributing frame, it is characterized in that, comprise shell, described case nose is provided with pin, and described enclosure is provided with internal connection circuit, and described internal connection circuit is electrically connected measurement mechanism by wire; Described internal connection circuit comprises and is connected input terminal a and input terminal b with pin, described input terminal a is connected lead-out terminal A by the thermistor R1 connected successively with switch S 1, described lead-out terminal A is by the first discharge tube ground connection, described input terminal b is connected lead-out terminal B by the thermistor R2 connected successively with switch S 2, described lead-out terminal B is by the second discharge tube ground connection, node between described first discharge tube and the second discharge tube passes through the anode of switch S 3 connecting luminous diode D1, the cathode connecting terminal S of described light-emitting diode D1.
2. a kind of measuring device being applicable to distributing frame according to claim 1, it is characterized in that, described measurement mechanism comprises, measurement mechanism housing, described measurement mechanism housing is provided with LED indicating module, input through keyboard module and voice indicating module, measuring circuit is provided with in described measurement mechanism housing, described measuring circuit comprises timer, described timer connects pulse generator, described pulse generator also connects wire and internal balance network respectively, described internal balance network connects microprocessor by amplifier, described wire connects microprocessor by amplifier, described microprocessor connects keyboard input module respectively, voice cue module and LED indicating module.
3. a kind of measuring device being applicable to distributing frame according to claim 2, is characterized in that, described microprocessor is AT89C51.
4. a kind of measuring device being applicable to distributing frame according to claim 1 or 2 or 3, is characterized in that, described first discharge tube is ceramic discharge tube or glass discharge vessel.
5. a kind of measuring device being applicable to distributing frame according to claim 1 or 2 or 3, is characterized in that, described second discharge tube is ceramic discharge tube or glass discharge vessel.
6. according to a kind of measuring device being applicable to distributing frame according to claim 1 or 2 or 3, it is characterized in that, described shell and measurement mechanism housing are flame-retardant plastic housing.
CN201520450775.9U 2015-06-26 2015-06-26 Survey line device suitable for distribution frame Expired - Fee Related CN204859177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520450775.9U CN204859177U (en) 2015-06-26 2015-06-26 Survey line device suitable for distribution frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520450775.9U CN204859177U (en) 2015-06-26 2015-06-26 Survey line device suitable for distribution frame

Publications (1)

Publication Number Publication Date
CN204859177U true CN204859177U (en) 2015-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104954045A (en) * 2015-06-26 2015-09-30 国网山东省电力公司济南供电公司 Line testing device applicable to distributing frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104954045A (en) * 2015-06-26 2015-09-30 国网山东省电力公司济南供电公司 Line testing device applicable to distributing frame

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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: 20151209

Termination date: 20200626

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