CN206096335U - Distribution detection device - Google Patents
Distribution detection device Download PDFInfo
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- CN206096335U CN206096335U CN201621163835.XU CN201621163835U CN206096335U CN 206096335 U CN206096335 U CN 206096335U CN 201621163835 U CN201621163835 U CN 201621163835U CN 206096335 U CN206096335 U CN 206096335U
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- alarm
- switch
- power supply
- line detector
- supply wiring
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 53
- 238000007689 inspection Methods 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Abstract
The utility model discloses a distribution detection device, including casing, second -line cable terminal row, first alarm and first switch, the utility model discloses the second -line cable terminal row simulation that utilizes distribution detection device is connected with the forefront cable terminal row of being surveyed the connecting wire by the power source of the equipment that the connecting wire link of survey, is connected the back with external power source as the power supply port who is surveyed the connecting wire, closes first switch, and is correct as if power supply wiring's in the quilt survey connecting wire polarity, the then warning of the first alarm among the distribution detection device, otherwise, connect the mistake as if power supply wiring's in the quilt survey connecting wire polarity, then first alarm is not reported to the police. Compare the manual test of tradition, the utility model discloses only need to be surveyed the connecting wire and be connected with distribution detection device and external power source respectively, can realize the automated inspection to two power supply wiring to reduced measurement personnel's working strength, effectively avoided seeking the test error that the mistake leads to because of measurement personnel power supply wiring.
Description
Technical field
This utility model is related to distribution technical field of measurement and test, in particular, is related to a kind of with line detector.
Background technology
At present the connecting line of equipment is generally made up of cable and cable terminal, cable terminal and connected equipment
Terminal is adapted.To improve the utilization rate of the flexibility, motility and heart yearn of communication network, in usual single line cable, many are included
Heart yearn, every heart yearn are used to transmit different information.When the heart yearn that cable is included is a lot, cable terminal also accordingly becomes
Cable terminal block.Polarity to ensure the power supply wiring of cable terminal block is correct, thinks equipment normal power supply, even
Wiring needs to carry out conduction detection to the power supply wiring of cable terminal block using front.Traditional detection method is using manual
Method is detected to power supply wiring, is illustrated so that cable terminal block is for Harding's terminal as an example, referring to Fig. 1, traditional handss
The schematic diagram of dynamic test power supply wiring, the cable 02 that the connecting line in Fig. 1 is included Harding's terminal 01 and is connected with Harding's terminal 01,
Cable 02 includes many heart yearns.In actual test, tester first according to cable distributor figure, in many heart yearns of cable 02
In find the position A of power supply wiring and the power supply wiring on Harding's terminal 01, then with circuit tester 03 test power supply match somebody with somebody
Line away from Harding's terminal 01 one end and position A between resistance, when institute measuring resistance value is less than preset value, show that the power supply is matched somebody with somebody
Line is correct；Conversely, when institute's measuring resistance value is infinitely great, showing the power supply wiring mistake.
It is as tester needs the power supply wiring tested up to tens even up to a hundred daily, continuous for a long time to survey
Examination easilys lead to feel exhausted, and easily occurs because power supply wiring searches mistake and caused test error, and testing efficiency
It is not high, therefore, how to provide it is a kind of with line detector to realize the automatic detection to power supply wiring, reduce the work of testing staff
Make intensity, improve test accuracy and testing efficiency be those skilled in the art's urgent need to resolve problem.
Utility model content
In view of this, this utility model discloses one kind with line detector, to realize the automatic inspection to two power supply wirings
Survey, so as to reduce the working strength of testing staff, be prevented effectively from because testing staff's power supply wiring searches mistake and caused test
Error, improves test accuracy and testing efficiency.
It is a kind of to match somebody with somebody line detector, including：Housing, the side of the housing are provided with the first cable with tested connecting line
The second cable terminal that terminal block is adapted row, the front of the housing are provided with the first alarm and first switch, and described the
The series arm that one alarm and the first switch are connected in series to form, the input of the series arm and second line
For the positive binding post connection being connected with the positive supply distribution of the tested connecting line in cable terminal block, the series arm
Outfan and the negative binding post in second cable terminal row for being connected with the negative supply distribution of the tested connecting line
Connection.
Preferably, when the first switch is single-pole double-throw switch (SPDT), also include：Accumulator；
The stationary contact of the single-pole double-throw switch (SPDT) is connected with the input of first alarm, first alarm
Outfan is connected with the negative electrode of the accumulator and the negative binding post respectively；
First movable contact of the single-pole double-throw switch (SPDT) is connected with the positive pole of the accumulator, the single-pole double-throw switch (SPDT)
Second movable contact is connected with the positive binding post.
Preferably, also include：First diode；
The anode of first diode is connected with the stationary contact of the single-pole double-throw switch (SPDT), the moon of first diode
Pole is connected with the input of first alarm.
Preferably, also include：Power polarity detection circuit；
The power polarity detection circuit includes：It is arranged on the second diode of the enclosure interior, is arranged on the shell
Positive second alarm of body and it is arranged on the positive second switch of the housing；
The input of second alarm is connected with the anode of second diode, the negative electrode of second diode
Connect the stationary contact of the single-pole double-throw switch (SPDT), the outfan of second alarm connects the negative binding post, institute
State second switch to be connected with second diodes in parallel.
Preferably, second alarm is any one in light crossing-signal and voice guard.
Preferably, the second switch is that ship type is switched or button switch.
Preferably, first alarm is any one in light crossing-signal and voice guard.
Preferably, the first switch is that ship type is switched or button switch.
Preferably, insulating barrier is provided between the second cable terminal row and the housing.
Knowable to above-mentioned technical scheme, this utility model is using the row's simulation quilt of the second cable terminal with line detector
The power interface of connecting line institute attached device is surveyed, is connected with the first cable terminal row of tested connecting line, when the confession of tested connecting line
After electric port is connected with external power source, first switch is closed, if the polarity of power supply wiring is correct in tested connecting line, distribution inspection
Survey device in the first alarm equipment alarm, if conversely, in tested connecting line power supply wiring polarity wrong, the first alarm is not
Report to the police.For comparing traditional-handwork test, this utility model only need by tested connecting line respectively with line detector and outward
Portion's power supply connection, you can realize the automatic detection to two power supply wirings, so as to reduce the working strength of testing staff, effectively
Avoid because testing staff's power supply wiring searches mistake and caused test error, improve test accuracy and test effect
Rate.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to disclosed accompanying drawing.
Fig. 1 is the schematic diagram that traditional manual tests power supply wiring；
Fig. 2 is a kind of external structure schematic diagram with line detector disclosed in this utility model embodiment；
Fig. 3 is a kind of internal electric connection figure with line detector disclosed in this utility model embodiment；
Fig. 4 is another kind of internal electric connection figure with line detector disclosed in this utility model embodiment；
Fig. 5 is another kind of internal electric connection figure with line detector disclosed in this utility model embodiment；
Fig. 6 is another kind of internal electric connection figure with line detector disclosed in this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model embodiment discloses a kind of with line detector, to realize the automatic inspection to two power supply wirings
Survey, so as to reduce the working strength of testing staff, be prevented effectively from because testing staff's power supply wiring searches mistake and caused survey
Examination error, improves test accuracy and testing efficiency.
Referring to Fig. 2 and Fig. 3, respectively disclosed in this utility model embodiment, a kind of external structure with line detector is shown
It is intended to and internal electric connection figure, includes with line detector：Housing 11, the side of housing 11 are provided with and tested connecting line 20
The the second cable terminals row 12 that is adapted of the first cable terminal row 21, the front of housing 11 is provided with the first alarm 13 and the
One switch 14, the first alarm 13 and first switch 14 are connected in series to form series arm, the input of the series arm with
The positive binding post 121 being connected for the positive supply distribution with tested connecting line 20 in second cable terminal row 12 connects, described
Negative connect for what the negative supply distribution with tested connecting line 20 was connected in the outfan of series arm and the second cable terminal row 12
Line terminals 122 connect.
It should be noted that for convenience of the connection of internal circuit of the understanding with line detector and the second cable terminal row 12
Relation, is illustrated that the front view of the second cable terminal row 12 in Fig. 3.
With reference to Fig. 2 and Fig. 3, the operation principle with line detector is specifically described as follows：
First, the row of the second cable terminal with line detector 12 is connected into equipment as actual with tested connecting line 20
Power interface, is connected with the first cable terminal row 21 of tested connecting line 20, is realized by the first alarm 13 and first switch 14
The connection of the series arm being connected in series to form and the positive-negative power distribution of tested connecting line 20；Secondly, by tested connecting line 20
Supply port (i.e. the tested connecting line 20 illustrated in Fig. 2 away from line detector free end) be connected with external power source；
Then, internal circuit of the conducting with line detector of first switch 14 is closed, when the pole of the power supply wiring in tested connecting line 20
When property is correct, external power source is powered for the first alarm 13 by tested connecting line 20, and the first alarm 13 is reported to the police, when tested company
The polarity connection of the power supply wiring in wiring 20 is staggered the time, and external power source cannot be supplied for the first alarm 13 by tested connecting line 20
Electricity, the first alarm 13 are not reported to the police, so as to realize the automatic detection to the polarity of power supply wiring in tested connecting line 20.
For convenience of the operation principle with line detector is understood, this utility model additionally provides a specific embodiment, false
If tested connecting line 20 is that (Chinese is railway signals equipment LEU：Data acquisition and procession unit), due to the cable of LEU
Terminal block is generally using Harding's terminal, therefore the row of the second cable terminal with line detector 12 in corresponding the present embodiment is
Equipment side Harding's terminal, the first cable terminal of tested connecting line 20 arrange 21 for cable-side Harding's terminal, cable-side Harding's terminal
It is adapted with equipment side Harding's terminal, wherein, the supply port of tested connecting line 20 is for the binding post with train control center cabinet
Row's connection, to be powered as LEU by train control center cabinet；
When the polarity of the power supply wiring to tested connecting line 20 is tested, first by the equipment side with line detector
Harding's terminal is breathed out with the cable-side of tested connecting line 20 as the power port for being connected equipment LEU with 20 reality of tested connecting line
Fourth terminal connects, and realizes series arm and the tested connecting line 20 being connected in series to form by the first alarm 13 and first switch 14
Positive-negative power distribution connection；Secondly the connecting terminal block by the supply port of tested connecting line 20 with train control center cabinet connects
Connect, be to power with line detector by train control center cabinet；Then, close inside of the conducting of first switch 14 with line detector electricity
Road, when the polarity of the power supply wiring in tested connecting line 20 is correct, external power source is reported to the police for first by tested connecting line 20
Device 13 is powered, and the first alarm 13 is reported to the police, and when the polarity connection of the power supply wiring in tested connecting line 20 is staggered the time, external power source cannot
Powered for the first alarm 13 by tested connecting line 20, the first alarm 13 is not reported to the police, so as to realize to tested connecting line 20
The automatic detection of the polarity of middle power supply wiring.
In summary, compare traditional-handwork test for, this utility model only need by tested connecting line 20 respectively with match somebody with somebody
Line detector and external power source connection, you can realize the automatic detection to two power supply wirings, so as to reduce testing staff
Working strength, effectively prevent because testing staff's power supply wiring searches mistake and caused test error, improve test accurate
Exactness and testing efficiency.
In addition, this utility model is disclosed with line detector simple structure, and it is with low cost, it is easy to promote the use of.
It should be noted that in the present embodiment, in actual applications, can be by by the first alarm 13 and first switch 14
The two ends of the series arm being connected in series to form are welded on the negative binding post 122 and positive binding post of the second cable terminal row 12
On 121.
Preferably, depending on the material of the housing 11 with line detector can be according to being actually needed, such as material of housing 11
Matter can be plastic material or metal material, when housing 11 is metal material, to avoid potential safety hazard, can be in the second line
Between cable terminal block 12 and housing 11, insulating barrier is set.
Further, to avoid power supply wiring in causing to tested connecting line 20 because breaking down with line detector itself
Polarity erroneous judgement, the present embodiment on the basis of above-described embodiment, with increased self-checking circuit in line detector.
Referring to Fig. 4, a kind of internal electric connection figure with line detector disclosed in another embodiment of this utility model,
On the basis of embodiment illustrated in fig. 3, also include：Accumulator 15, wherein, and unlike embodiment illustrated in fig. 3, above-described embodiment
In first switch 14 in the present embodiment be specially single-pole double-throw switch (SPDT) S1；
The stationary contact of single-pole double-throw switch (SPDT) S1 is connected with the input of the first alarm 13, the outfan of the first alarm 13
It is connected with the negative electrode and negative binding post 122 of accumulator 15 respectively；
The first movable contact M of single-pole double-throw switch (SPDT) S1 is connected with the positive pole of accumulator 15, and the second of single-pole double-throw switch (SPDT) S1
Movable contact N is connected with positive binding post 121.
In the present embodiment, the operation principle with line detector is：
Before the polarity of the power supply wiring to tested connecting line 20 is tested, first to carrying out certainly with line detector
Inspection, judges currently whether breaking down with line detector, to the process of self-test with line detector is：
The stationary contact of single-pole double-throw switch (SPDT) S1 is connected with the first movable contact M, accumulator 15, single-pole double-throw switch (SPDT) S1 and
One alarm 13 forms path, and accumulator 15 is powered for the first alarm 13, when the first alarm 13 is reported to the police, shows that distribution is examined
Survey device internal circuit normally, so as to complete to the process of self-test with line detector.When the first alarm 13 is not reported to the police, table
It is bright to break down with line detector internal circuit, in this case, it is necessary to which maintainer is to carrying out with line detector
Malfunction elimination, and accordingly keep in repair.When to line detector maintenance after the completion of, need to maintenance complete with line detector again
It is secondary to carry out self-inspection, and only can just come into operation, so as to effectively prevent because of distribution after normal with line detector self-inspection
Detection means itself breaks down and causes the situation that the polarity of the power supply wiring to tested connecting line 20 judges by accident.
After normal with line detector self-inspection, by the stationary contact of single-pole double-throw switch (SPDT) S1 by contacting with the first movable contact M
Switch to and contact with the second movable contact N, now, the first alarm 13 is disconnected with the connection of accumulator 15, the first alarm 13
Input is connected with positive binding post 121, and the outfan of the first alarm 13 is connected with negative binding post 122, when tested connection
After the supply port of line 20 is connected with external power source, it is possible to which the polarity of power supply wiring in tested connecting line 20 is examined automatically
Survey, wherein concrete detection process is referring to above-described embodiment, this repeats no more.
To avoid causing with each electric first device in line detector because of the polarity wrong of power supply wiring in tested connecting line 20
Part is damaged because electric current is excessive, referring to Fig. 5, a kind of electricity of the inside with line detector disclosed in another embodiment of this utility model
Gas connection figure, on the basis of above-described embodiment, can also include：First diode D1；
First diode D1 anodes are connected with the stationary contact of single-pole double-throw switch (SPDT) S1, the negative electrode and first of the first diode D1
The input connection of alarm 13.
As diode has unilateral conduction, therefore after the polarity wrong of power supply wiring in tested connecting line 20, match somebody with somebody
Path cannot be formed between the internal circuit and external power source of line detector, so as to effectively to avoid because of tested connecting line 20
The polarity wrong of middle power supply wiring causes to damage because electric current is excessive with each electric components in line detector.
In summary, compare traditional-handwork test for, this utility model only need by tested connecting line 20 respectively with match somebody with somebody
Line detector and external power source connection, you can realize the automatic detection to two power supply wirings, so as to reduce testing staff
Working strength, effectively prevent because testing staff's power supply wiring searches mistake and caused test error, improve test accurate
Exactness and testing efficiency.
It is understood that when the polarity of the power supply wiring to tested connecting line 20 is tested, causing the first warning
The reason for device 13 is not reported to the police includes but is not limited to the polarity wrong of power supply wiring in tested connecting line 20, therefore for convenience of detection
Personnel judge the reason for cause the first alarm 13 not report to the police the polarity wrong for being whether power supply wiring in tested connecting line 20, this
Embodiment also add power polarity detection circuit on the basis of above-described embodiment.
Referring to Fig. 6, a kind of internal electric connection figure with line detector disclosed in another embodiment of this utility model,
On the basis of above-described embodiment, also include：Power polarity detection circuit；
Power polarity detection circuit includes：It is arranged on the second diode D2 inside housing 11, is arranged on 11 front of housing
The second alarm 16 and be arranged on 11 positive second switch S2 of housing；
Wherein：
The input of the second alarm 16 is connected with the anode of the second diode D2, and the negative electrode connection of the second diode D2 is single
The stationary contact of double-pole double throw switch S1, the negative binding post 122 of outfan connection of the second alarm 16, second switch S2 and the two or two
Pole pipe D2 is connected in parallel.
The operation principle with line detector in the present embodiment is specific as follows：
Before the polarity of the power supply wiring to tested connecting line 20 is tested, first to carrying out certainly with line detector
Inspection, judges currently whether breaking down with line detector, to the process of self-test with line detector is：
The stationary contact of single-pole double-throw switch (SPDT) S1 is connected with the first movable contact M, and closes second switch S2, accumulator 15,
Single-pole double-throw switch (SPDT) S1, the first diode D1 and the first alarm 13 form path, at the same time, accumulator 15, single-pole double throw
Switch S1, second switch S2, the second diode D2 and the second alarm 16 also form path, when the first alarm 13 and the second report
When alert device 16 is reported to the police, show that the internal circuit with line detector is normal, so as to complete to the self-inspection with line detector
Journey；When only one of which alarm equipment alarm in the first alarm 13 and the second alarm 16 or not reporting to the police, show that distribution is examined
The internal circuit for surveying device breaks down, in this case, it is necessary to which maintainer is to carrying out failure row with line detector
Look into, and accordingly keep in repair.
After normal with line detector self-inspection, by the stationary contact of single-pole double-throw switch (SPDT) S1 by contacting with the first movable contact M
Switch to and contact, and disconnect second switch S2, now, the first alarm 13 and the second alarm 16 and storage with the second movable contact N
The connection of battery 15 disconnects, and the input of the first alarm 13 is connected with positive binding post 121 by the first diode D1, the
The outfan of one alarm 13 is connected with negative binding post 122, and the input of the second alarm 16 passes through the two or two pole of reversal connection
Pipe D2, is connected with positive binding post 121, and the outfan of the second alarm 16 is connected with negative binding post 122, when tested connecting line
After 20 supply port is connected with external power source, it is possible to which the polarity of power supply wiring in tested connecting line 20 is examined automatically
Survey.
If the polarity of the power supply wiring of tested connecting line 20 is correct, the first alarm 13 is reported to the police, and the second alarm 16 is not reported
It is alert；Conversely, the reverse polarity connection of the power supply wiring of tested connecting line 20, the first alarm 13 is not reported to the police, and the second alarm 16 is reported to the police.
Therefore, testing staff is by the first alarm 13 of observation and the alarm condition of the second alarm 16, it is possible to determine tested connection
The correct still wrong of the polarity of the power supply wiring of line 20.
In summary, compare traditional-handwork test for, this utility model only need by tested connecting line 20 respectively with match somebody with somebody
Line detector and external power source connection, you can realize the automatic detection to two power supply wirings, so as to reduce testing staff
Working strength, effectively prevent because testing staff's power supply wiring searches mistake and caused test error, improve test accurate
Exactness and testing efficiency.
Also, this utility model can be with the alarm condition according to the first alarm 13 and the second alarm 16, to tested
The polarity of the power supply wiring of connecting line 20 is judged.
Preferably, in the present embodiment, the second alarm 16 can be any one in light crossing-signal and voice guard.
When the second alarm 16 is light crossing-signal, the second alarm 16 is specifically as follows display lamp；When the second alarm
16 be sound alarm subsystem when, the second alarm 16 is specifically as follows buzzer.
Preferably, second switch S2 can be switched for ship type or button switch.
It should be noted that the first alarm 13 in above-described embodiment can be in light crossing-signal and voice guard
Any one.
When the first alarm 13 is light crossing-signal, the first alarm 13 is specifically as follows display lamp, the color of display lamp
Green can be selected, namely after internal circuit of the conducting with line detector of first switch 14 is closed, if tested connecting line 20
In power supply wiring polarity it is correct, display lamp green light points out the pole of the power supply wiring in the tested connecting line of testing staff 20
Property is correct；If the polarity wrong of the power supply wiring in tested connecting line 20, display lamp do not light, testing staff is pointed out tested connection
The polarity wrong of the power supply wiring in line 20.
When the first alarm 13 is voice guard, the first alarm 13 is specifically as follows buzzer, namely when closing
After internal circuit of the conducting with line detector of first switch 14, if the polarity of the power supply wiring in tested connecting line 20 is correct,
Buzzer sends sound, points out the polarity of power supply wiring in the tested connecting line of testing staff 20 correct；If tested connecting line 20
In power supply wiring polarity wrong, buzzer not sounding points out the pole of the power supply wiring in the tested connecting line of testing staff 20
Property wrong.
Preferably, the first switch 14 in above-described embodiment can be ship type switch, button switch etc., concrete foundation reality
Depending on needs, this utility model here is not limited.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are anticipated
Covering including for nonexcludability, so that a series of process, method, article or equipment including key elements not only includes that
A little key elements, but also including other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element for being limited by sentence "including a ...", does not arrange
Except also there is other identical element in including the process of the key element, method, article or equipment.
In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. it is a kind of to match somebody with somebody line detector, it is characterised in that to include：Housing, the side of the housing are provided with and tested connecting line
The first cable terminal row be adapted the second cable terminal row, the front of the housing is provided with the first alarm and first and opens
Close, the series arm that first alarm and the first switch are connected in series to form, the input of the series arm with
It is for the positive binding post connection being connected with the positive supply distribution of the tested connecting line in the second cable terminal row, described
For being connected with the negative supply distribution of the tested connecting line in the outfan of series arm and second cable terminal row
Negative binding post connection.
2. it is according to claim 1 with line detector, it is characterised in that when the first switch is single-pole double-throw switch (SPDT)
When, also include：Accumulator；
The stationary contact of the single-pole double-throw switch (SPDT) is connected with the input of first alarm, the output of first alarm
End is connected with the negative electrode of the accumulator and the negative binding post respectively；
First movable contact of the single-pole double-throw switch (SPDT) is connected with the positive pole of the accumulator, and the second of the single-pole double-throw switch (SPDT)
Movable contact is connected with the positive binding post.
3. it is according to claim 2 with line detector, it is characterised in that also to include：First diode；
The anode of first diode is connected with the stationary contact of the single-pole double-throw switch (SPDT), the negative electrode of first diode with
The input connection of first alarm.
4. it is according to claim 3 with line detector, it is characterised in that also to include：Power polarity detection circuit；
The power polarity detection circuit includes：It is arranged on the second diode of the enclosure interior, is just being arranged on the housing
Second alarm in face and it is arranged on the positive second switch of the housing；
The input of second alarm is connected with the anode of second diode, the negative electrode connection of second diode
The stationary contact of the single-pole double-throw switch (SPDT), the outfan of second alarm connect the negative binding post, and described the
Two switches are connected with second diodes in parallel.
5. it is according to claim 4 with line detector, it is characterised in that second alarm is light crossing-signal harmony
Any one in sound alarm.
6. it is according to claim 4 with line detector, it is characterised in that the second switch is that ship type is switched or pressed
Button switch.
7. it is according to claim 1 with line detector, it is characterised in that first alarm is light crossing-signal harmony
Any one in sound alarm.
8. it is according to claim 1 with line detector, it is characterised in that the first switch is that ship type is switched or button
Switch.
9. it is according to claim 1 with line detector, it is characterised in that the second cable terminal row and the housing
Between be provided with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163835.XU CN206096335U (en) | 2016-10-24 | 2016-10-24 | Distribution detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163835.XU CN206096335U (en) | 2016-10-24 | 2016-10-24 | Distribution detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206096335U true CN206096335U (en) | 2017-04-12 |
Family
ID=58486037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621163835.XU Expired - Fee Related CN206096335U (en) | 2016-10-24 | 2016-10-24 | Distribution detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206096335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062865A (en) * | 2021-11-12 | 2022-02-18 | 杭州中车车辆有限公司 | Urban rail vehicle electrical insulation test equipment and branching tool thereof |
-
2016
- 2016-10-24 CN CN201621163835.XU patent/CN206096335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062865A (en) * | 2021-11-12 | 2022-02-18 | 杭州中车车辆有限公司 | Urban rail vehicle electrical insulation test equipment and branching tool thereof |
| CN114062865B (en) * | 2021-11-12 | 2023-07-21 | 杭州中车车辆有限公司 | Urban rail vehicle electric insulation test equipment and branching tool thereof |
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Granted publication date: 20170412 |