CN206818797U - A kind of portable intelligent cable tester - Google Patents
A kind of portable intelligent cable tester Download PDFInfo
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- CN206818797U CN206818797U CN201720690050.6U CN201720690050U CN206818797U CN 206818797 U CN206818797 U CN 206818797U CN 201720690050 U CN201720690050 U CN 201720690050U CN 206818797 U CN206818797 U CN 206818797U
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- circuit board
- panel
- cable
- relay
- power supply
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Abstract
The utility model discloses a kind of portable intelligent cable tester, including host computer, panel, communicating circuit plate, master control circuit board, power supply circuit board, relay control panel, relay assembly module and detection transit cable, also include Portable pulling case and cable box, the panel, communicating circuit plate, master control circuit board, power supply circuit board, relay control panel and relay assembly module are in Portable pulling case, and detection transit cable is in cable box；Power supply circuit board, master control circuit board, communicating circuit plate and panel layered arrangement successively from the bottom up, relay control panel arranges that relay assembly module is located at below panel and positioned at the side of power supply circuit board between panel and master control circuit board and with communicating circuit plate with layer.The utility model movement flexibility is good, handy to carry about, be easy to strange land to use；It is compact-sized, occupy little space；Circuit board mounting stability is strong, and electrical connection is reliable between each other, and functional reliability is high.
Description
Technical field
The utility model belongs to detection technique field, more particularly to a kind of portable intelligent cable tester.
Background technology
Intelligent cable detector is for the conducting resistance cable contact and not the insulaion resistance between contact not to enter
The equipment of row detection, automatic conducting resistance can be carried out to multicore cable and insulaion resistance detects, and testing result is preserved
And printing；The functions such as inquiry needed for Network Information, printing, calling can be realized.It generally comprises host computer, panel, communication
Circuit board, master control circuit board, power supply circuit board, relay control panel, relay assembly module and detection transit cable, panel
On be typically provided the detection converting interfaces of 2 51 cores.Wherein, host computer passes through the communication interface on communicating circuit plate and main control
Monolithic mechatronics on circuit board, host computer pass through the relay on the communication interface and relay control panel on communicating circuit plate
Device control circuit electrically connects.Output control module, constant-current source, constant pressure source, decoder, modulus is additionally provided with master control circuit board to turn
Circuit and sample circuit are changed, single-chip microcomputer is electrically connected with constant-current source with constant pressure source respectively by output control module, and single-chip microcomputer passes through
Decoder electrically connects with control relay circuit, and constant-current source passes sequentially through control relay circuit, relay group with constant pressure source
Matched moulds block electrically connects with converting interface, and control relay circuit passes sequentially through sample circuit, analog to digital conversion circuit and single-chip microcomputer and is electrically connected
Connect.Power circuit on power supply circuit board electrically connects with single-chip microcomputer, output control module respectively.
Existing intelligent cable detector is integrated equipment, i.e., all parts all in one big casing,
It is thus very heavy, it is not easy to strange land use.Simultaneously as host computer and power module be in a space, during Insulation monitoring,
Step-up transformer can produce certain heat, plus heat caused by host computer, can make temperature drift in instrument, influence electric member
The normal work of part particularly active component, causes the reliability of module to reduce；In addition, the long-term work at high temperature of electrical equipment
Make, accelerate aging, reduction of service life.
The content of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, there is provided one kind is handy to carry about, is beneficial to
Strange land uses, the portable intelligent cable tester that compact-sized, functional reliability is high.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of portable intelligent cable tester, including host computer, panel, communicating circuit plate, master control circuit board, power supply
Circuit board, relay control panel, relay assembly module and detection transit cable, it, which is structurally characterized in that, also includes Portable pulling case
And cable box, the panel, communicating circuit plate, master control circuit board, power supply circuit board, relay control panel and relay assembly
Module is in Portable pulling case, and detection transit cable is in cable box.
As a kind of preferred embodiment, power supply circuit board, master control circuit board, communicating circuit plate and panel are from the bottom up successively
Layered arrangement, relay control panel is between panel and master control circuit board and with communicating circuit plate with layer arrangement, relay
Composite module is located at below panel and positioned at the side of power supply circuit board.
As a kind of preferred embodiment, multiple interlayers are provided with the cable box, a set of detection switching is placed in each interlayer
Cable.
Compared with prior art, the utility model has advantages below：
First, cable tester improves the mobile flexibility of equipment using split type and drag box design, volume-diminished,
It is handy to carry about, be easy to strange land to use.Meanwhile split-type design is beneficial to radiating, the functional reliability of module is improved, is extended
Service life.
Second, each module is arranged according to volume size hierarchical block, compact-sized, is occupied little space, and circuit board installation is steady
Qualitative strong, electrical connection is reliable between each other, and functional reliability is high.
Brief description of the drawings
Fig. 1 is the utility model split-type structural schematic diagram.
Fig. 2 is the configuration schematic diagram of circuit module and casing.
Fig. 3 is utility model works view.
Fig. 4 is the utility model electrical block diagram.
Wherein, 1 is host computer, and 2 be cable under test, and 3 be cable box, and 31 be interlayer, and 4 be detection transit cable, and 5 be portable
Formula drags case, and 6 be panel, and 7 be converting interface, and 8 be relay assembly module, and 9 be relay control panel, and 91 be Control electricity
Road, 10 be power supply circuit board, and 101 be power circuit, and 11 be master control circuit board, and 111 be single-chip microcomputer, and 112 be output control mould
Block, 113 be constant-current source, and 114 be constant pressure source, and 115 be decoder, and 116 be analog to digital conversion circuit, and 117 be sample circuit, and 12 be logical
Circuit board is interrogated, 121 be communication interface, and 13 be RS232 data wires.
Embodiment
As shown in Figures 1 to 4, an embodiment of the present utility model includes host computer 1, panel 6, communicating circuit plate 12, master
Control board 11, power supply circuit board 10, relay control panel 9, relay assembly module 8 and detection transit cable 4, in addition to
Portable pulling case 5 and cable box 3, the panel 6, communicating circuit plate 12, master control circuit board 11, power supply circuit board 10, relay
Device control panel 9 and relay assembly module 8 are in Portable pulling case 5, and detection transit cable 4 is in cable box 3.
Power supply circuit board 10, master control circuit board 11, communicating circuit plate 12 and panel 6 layered arrangement successively from the bottom up,
Relay control panel 9 is between panel 6 and master control circuit board 11 and with communicating circuit plate 12 with layer arrangement, relay assembly
Module 8 is located at the lower section of panel 6 and positioned at the side of power supply circuit board 10.
4 foam interlayers 31 are provided with the cable box 3, a set of 5 detections switching electricity is placed in each foam interlayer 31
Cable 4.
Panel 6 is provided with the detection converting interface 7 of 5 61 cores；Host computer 1 passes through the communication interface on communicating circuit plate 12
121 electrically connect with the single-chip microcomputer 111 in master control circuit board 11, realize measurement resistance that single-chip microcomputer 111 calculates in host computer 1
Display and host computer 1 on display screen send the conducting resistance measurement or insulation measurement of certain class cable to single-chip microcomputer 111
Instruction；Host computer 1 is electrically connected by communication interface 121 with the control relay circuit 91 in relay control panel 9, will be upper
The conducting relation for 2 each terminal of cable under test that machine 1 inputs is sent in control relay circuit 91 with dielectric relationship；Main control electricity
Output control module 112, constant-current source 113, constant pressure source 114, decoder, analog to digital conversion circuit 116 are additionally provided with road plate 11 and is adopted
Sample circuit 117, single-chip microcomputer 111 are electrically connected with constant-current source 113 with constant pressure source 114, realized respectively by output control module 112
The output constant current source 113 of master control circuit board 11 or constant pressure source 114 during cable detection；Single-chip microcomputer 111 passes through decoder 115 and relay
Device control circuit 91 electrically connects, and constant-current source 113 passes sequentially through control relay circuit 91, relay assembly with constant pressure source 114
Module 8 electrically connects with converting interface 7, and the measurement instruction provided according to host computer 1 carries out resistance measurement to cable；Control electricity
Road 91 passes sequentially through sample circuit 117, analog to digital conversion circuit 116 electrically connects with single-chip microcomputer 111, will measure the Current Voltage of gained
Digital quantity of the value after analog-to-digital conversion delivers to single-chip microcomputer 111 and carries out resistance value calculating；Power circuit on power supply circuit board 10
101 electrically connect with single-chip microcomputer 111, output control module 112, communication interface 121, control relay circuit 91 respectively, are respectively
Each circuit provides operating voltage.
In the utility model, 5 61 cores detection converting interfaces 7 are employed, 312 decoding methods are used in circuit interface design
Control 312 accesses the information that terminals measure, and uses 312 decoding methods in detection method, accelerates the detection speed of instrument, carry
The high efficiency of cable detection.Host computer 1 is industrial computer, configures Intel i7-3770CPU@3.40GHz, 2G internal memories.
During detection, the communication between single-chip microcomputer 111 and host computer 1 is realized using a RS232 data wire 13, utilization is another
Bar RS232 data wires 13 realize the communication between control relay circuit 91 and host computer 1.Cable under test 2 is transferred by detecting
Cable 4 is connected to converting interface 7.Relay assembly module 8 is designed with 1248 relays（Including metering, self-test relay）, from
Each terminal of converting interface 7 picks out two wires and connects 4 relays RY, RYH, RYA, RYB, wherein RY by frock contact
Metering system is controlled, RYH realizes insulaion resistance detection function, and RYA and RYB realize four-wire system conducting resistance detection function.Monolithic
Machine 111 uses SMT32 type single-chip microcomputers, and the information of 312 frock contacts measurements is controlled with the decoder CD4051 of 39 8 passages,
So 300 terminals of converting interface can be completed with one-time detection.
Cleaning Principle of the present utility model is as follows：
To electric on instrument, the opening detection of cable under test 2 interface, the 2 each terminal of cable under test pre-defined in host computer 1
Between conducting relation and dielectric relationship be sent to by RS232 in the control relay circuit 91 of control relay circuit plate 9.Even
Cable under test 2 and converting interface 7 are connect, when host computer 1 sends detection conducting resistance instruction, the control of the indicating relay of single-chip microcomputer 111
Circuit 91 finds the frock contact in relay assembly module 8 according to conducting relation, closes RY relays, connects conducting resistance inspection
Slowdown monitoring circuit, while control relay circuit 91 closing relay RYA84, RYB85 connect constant-current source 113, sample circuit 117 is read
Voltage between Lead-through terminal, after analog-to-digital conversion, single-chip microcomputer 111 with Ohm's law draw Lead-through terminal between conduction resistance value, and
Host computer 1 is transferred to by RS232.When detection is not turned on the insulaion resistance between terminal, control relay circuit 91 closes RY82,
Insulating resistor detecting circuit is connected, RYH83 is closed at and connects the output DC500V voltages of constant pressure source 114, sample circuit 117 is read
Electric current between measurement terminal, after analog-to-digital conversion, single-chip microcomputer 111 draws the insulating resistance value being not turned between terminal with Ohm's law,
Host computer 1 is transferred to by RS232.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than limitation, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (3)
1. a kind of portable intelligent cable tester, including host computer（1）, panel（6）, communicating circuit plate（12）, main control electricity
Road plate（11）, power supply circuit board（10）, relay control panel（9）, relay assembly module（8）With detection transit cable（4）, its
It is characterised by, in addition to Portable pulling case（5）And cable box（3）, the panel（6）, communicating circuit plate（12）, main control circuit
Plate（11）, power supply circuit board（10）, relay control panel（9）With relay assembly module（8）It is located at Portable pulling case（5）
It is interior, detect transit cable（4）Located at cable box（3）It is interior.
2. portable intelligent cable tester as claimed in claim 1, it is characterised in that power supply circuit board（10）, main control
Circuit board（11）, communicating circuit plate（12）And panel（6）Layered arrangement successively from the bottom up, relay control panel（9）Positioned at face
Plate（6）With master control circuit board（11）Between and with communicating circuit plate（12）Arranged with layer, relay assembly module（8）Positioned at face
Plate（6）Lower section and it is located at power supply circuit board（10）Side.
3. portable intelligent cable tester as claimed in claim 1 or 2, it is characterised in that the cable box（3）Inside it is provided with
Multiple interlayers（31）, each interlayer（31）It is interior to place a set of detection transit cable（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690050.6U CN206818797U (en) | 2017-06-14 | 2017-06-14 | A kind of portable intelligent cable tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720690050.6U CN206818797U (en) | 2017-06-14 | 2017-06-14 | A kind of portable intelligent cable tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818797U true CN206818797U (en) | 2017-12-29 |
Family
ID=60760526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720690050.6U Active CN206818797U (en) | 2017-06-14 | 2017-06-14 | A kind of portable intelligent cable tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206818797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116466201A (en) * | 2023-04-26 | 2023-07-21 | 上海垚智电子科技有限公司 | Wire insulation testing device |
-
2017
- 2017-06-14 CN CN201720690050.6U patent/CN206818797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116466201A (en) * | 2023-04-26 | 2023-07-21 | 上海垚智电子科技有限公司 | Wire insulation testing device |
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