CN203894063U - Signal collecting channel box - Google Patents
Signal collecting channel box Download PDFInfo
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- CN203894063U CN203894063U CN201420119365.1U CN201420119365U CN203894063U CN 203894063 U CN203894063 U CN 203894063U CN 201420119365 U CN201420119365 U CN 201420119365U CN 203894063 U CN203894063 U CN 203894063U
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- signal sampling
- sampling channel
- channel case
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims description 87
- 230000003750 conditioning effect Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 12
- 230000002708 enhancing effect Effects 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000009023 Myrrhis odorata Species 0.000 description 1
- 235000007265 Myrrhis odorata Nutrition 0.000 description 1
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a data collecting device used for a rail transit test vehicle and specifically relates to a movable signal collecting channel box. The signal collecting channel box is arranged in a locomotive and is connected with a plurality of sensors that are also arranged in the locomotive. The signal collecting channel box is also connected with a wiring board of the test vehicle in a wired or wireless manner. An input terminal of the signal collecting channel box is provided with a plurality of input ports. Each input port is connected with one sensor correspondingly. An output terminal of the signal collecting channel box is provided with at least one output port communicated with the wiring board of the test vehicle. The quantity of the output ports is smaller than that of the input ports. By adopting the above technical scheme, the utility model provides the signal collecting channel box that is used for locomotive test and is convenient to install, simple in structure, high in measuring precision and good in shielding performance.
Description
Technical field
The utility model relates to a kind of track traffic instruction carriage data collector, relates to particularly a kind of portable signal sampling channel case.
Background technology
Now, the test of the traction of locomotive and electric braking performance is often by measuring its net end and motor terminal voltage and current signal.In order to measure comprehensively and accurately needed electric signal, normally at net end and the motor side place of tested engine, high-precision voltage and current sensor is installed, the signal of high voltage and large electric current is transformed small magnitude voltage signal by sensor, again small magnitude voltage signal is sent in signal sampling channel case and is nursed one's health by signal wire, be finally processed into the analog voltage signal that data acquisition system (DAS) can detect.
Existing locomotive test is that the signal wire unification of multiple voltage, current sensor is pooled to and connects the instruction carriage that the hangs over locomotive rear portion plate of reaching the standard grade, and is then transferred and is placed in the signal sampling channel case on instruction carriage by the plate of reaching the standard grade, and processes.Such method need to need the signal wire of fixing many sensors at the trial, and especially, under the condition being pressed for time, test efficiency can be subject to no small impact.
And signal sampling channel case of the prior art is fixedly installed in harvester between test vehicle equipment cashier's office in a shop, in the process of signal debugging and plant maintenance, sometimes need to remove and install, can not meet flexibly field demand.Meanwhile, the signal conditioning circuit in the signal sampling channel case of fixed installation formula and sensor power supply share same road power supply, and isolation and integrality on signal affect to some extent, can not meet the requirement of high-acruracy survey.For this reason, those skilled in the art are unremitting research in order to overcome the defect of prior art, for example, in following patented technology, discloses a kind of correlation technique that can substitute signal sampling channel case of the prior art.
Be that publication number is CN101593565, the Chinese invention patent application that name is called " a kind of portable electromagnetic shielding box for testing weak signals of mobile terminal " discloses following technical scheme: this electromagnetic shielding box has six panels, six panels are all made with aluminium or aluminium alloy, in six panels, mixing are pasted with to Electromagnetic Wave Absorbing Plate and wedge wave absorbing material to absorb the incident wave of all directions; On bottom panel, the residing position of Devices to test is also provided with insulation medium board to isolate terminal to be measured and absorbing material, and this insulation medium board is placed in case, when test, mobile terminal to be measured is placed on this insulation medium board; On top panel, be provided with the joint of a signal turnover, and connect the excellent electric contact of the system that realizes by welding manner; On front panel, be provided with and be convenient to wait the measurement equipment opening putting into and take out, be provided with conductive gasket and shielding guipure to form doorframe in the surrounding of opening, be also provided with the door for closing and open opening.
But above-mentioned patented technology does not overcome the defect of prior art completely, therefore, the inventor makes the present invention based on prior art defect.
Utility model content
It is a kind of easy for installation, simple in structure that the purpose of this utility model is to provide, and measuring accuracy is high, the signal sampling channel case for locomotive test of advantages of good shielding performance.
In order to realize above-mentioned object, the utility model adopts following technical scheme.
A kind of signal sampling channel case, described signal sampling channel case is arranged at locomotive and is communicated with the same multiple sensors that are arranged at locomotive, described channels of information acquisition case is also communicated with instruction carriage terminal block by wired or wireless mode, the input end of wherein said signal sampling channel case has multiple input ports, input port and a corresponding connection in described sensor described in each; The output terminal of described signal sampling channel case has at least one output port, the connection corresponding to described instruction carriage terminal block of described output port, and the quantity of described output port is less than the quantity of described input port.Like this, formed the basic structure of signal sampling channel case of the present utility model, it is simple in structure, and related art is simplified.
Further, the syndeton between the every pair of described input port and the port of corresponding described sensor differs from one another, i.e. the port of the different and/or described sensor of described input port structure each other structure difference each other.Like this, make signal sampling channel case of the present utility model there is anti-tolerance design, avoid misoperation.
Preferably, the quantity of described output port is one.The further like this circuit mounting structure of having simplified related art.
In addition, in described signal sampling channel case, being provided with can be from the modular converter of the signal of described output port output, for the conditioning module of conditioned signal with for the supply module to modular converter and conditioning module power supply by converting to from the signal of described input port input, and described supply module is electrically connected with described modular converter and described conditioning module.Like this, make signal sampling channel case of the present utility model adopt internal electric source design, separate with the power supply for sensor, further promoted the degree of accuracy of measuring.
In addition, preferably in described signal sampling channel case, be provided with air channel, described air channel is included at least one blow vent forming on described signal sampling channel case, and at described blow vent, place is provided with waveguide net.Like this, be provided with the waveguide net for shielding, further promoted measuring accuracy.
In addition, preferably on the ground plane of described signal sampling channel case, be provided with the supporting construction that supports described signal sampling channel case, described supporting construction is isolated from each other described ground plane and ground.More preferably, described signal sampling channel case is cube structure, and described supporting construction is included in the cornerite arranging respectively on eight angles of described cube structure and strengthens structure.It is that elastic body cornerite strengthens structure that described cornerite strengthens structure, and described elastic body at least comprises rubber.Such supporting construction not only can support signal sampling channel case of the present utility model securely, and can play anti-skidding effect.
In addition, preferably described signal sampling channel case is provided with holding structure, and described holding structure is the handle of being fixed by groove milling jam nut.Like this, this handle signal sampling channel case that can be easy to carry, and this handle can bear relatively large pulling force.
In addition, preferably in described signal sampling channel case, be provided with enhancing structure, described enhancing structure comprises at least one web beam and/or at least one stiffening rib.Like this, can further strengthen the integrally-built intensity of signal sampling channel case of the present utility model.
By adopting above-mentioned technical scheme, it is a kind of easy for installation, simple in structure that the utility model provides, and measuring accuracy is high, the signal sampling channel case of advantages of good shielding performance.
Brief description of the drawings
Fig. 1 is application the utility model signal sampling channel punch-out equipment car and instruction carriage syndeton schematic block diagram;
Fig. 2 is the syndeton schematic block diagram of the functional module of signal sampling channel case of the present utility model;
Fig. 3 is the schematic top plan view of signal sampling channel case of the present utility model;
Fig. 4 is that the master of signal sampling channel case of the present utility model looks schematic diagram;
Fig. 5 is the schematic rear view of signal sampling channel case of the present utility model.
In accompanying drawing, the component Name of each mark representative is described as follows
1 signal sampling channel case
11 input ports
12 output ports
13 cornerites strengthen structure
14 handles
15 blow vents
16 waveguide nets
Embodiment
It is a kind of easy for installation, simple in structure that the utility model is to provide, and measuring accuracy is high, the signal sampling channel case of advantages of good shielding performance.Below in conjunction with Figure of description, concrete technical scheme of the present utility model is described in detail.In the accompanying drawings, the word segment in functional block diagram and syndeton block diagram, identical assembly or parts use the same reference numerals to represent.
Fig. 1 is application the utility model signal sampling channel punch-out equipment car and instruction carriage syndeton schematic block diagram.In embodiment of the present utility model shown in Figure 1, adopt the portable signal sampling channel case of being made by high-strength alloy framework to realize the collection of locomotive sensor device electric signal.In locomotive cab or electric equipment compartment, the electric signal unification of multiple sensors is linked in signal sampling channel case, then be that a signal connecting line outputs to the instruction carriage terminal block being configured on instruction carriage by vasculum signal is collected, and the final data acquisition equipment being configured on instruction carriage that utilizes carry out data acquisition.
Fig. 2 is the syndeton schematic block diagram of the functional module of signal sampling channel case of the present utility model.Wherein, in signal sampling channel case, being provided with can be from the modular converter of the signal of output port output, for the conditioning module of conditioned signal with for the supply module to modular converter and conditioning module power supply by converting to from the signal of input port input, and supply module is electrically connected with modular converter and conditioning module.This signal sampling channel case has been realized locomotive sensor device electrical signal collection like this.As shown in Figure 2, in locomotive cab or electric equipment compartment, the electric signal unification of multiple sensors is linked in signal sampling channel case, in casing, be equipped with the switching circuit board as modular converter, the sensor signal of its all accesses is collected same aviation plug (being output port) output by switching circuit board, when wiring, utilize a signal connecting line signal wire that signal leading is arrived to instruction carriage terminal block, greatly simplify the fixing of signal wire in test set-up procedure, thereby improved work efficiency.
Fig. 3 is the schematic top plan view of signal sampling channel case of the present utility model; Fig. 4 is that the master of signal sampling channel case of the present utility model looks schematic diagram; Fig. 5 is the schematic rear view of signal sampling channel case of the present utility model.In the embodiment of the signal sampling channel case shown in Fig. 3 to Fig. 5, the input end of signal sampling channel case 1 has multiple input ports 11, each input port 11 for a corresponding connection of sensor; The output terminal of signal sampling channel case has an output port 12, and output port 12 is for connection corresponding to instruction carriage terminal block.
Further, in the present embodiment, the front panel of signal sampling channel case 1 is the input aviation plug of locomotive sensor device electric signal, and air plug adopts anti-mis-insertion design, and different sensors signal is distinguished.Particularly, the syndeton between the every pair of input port 11 and the port of corresponding sensor differs from one another, the port that can make in the present embodiment structure difference each other of input port 11 and/or sensor structure difference each other.In addition, in signal sampling channel case 1, be provided with air channel, air channel is through the disparate modules in signal sampling channel case 1, for these modules are dispelled the heat.This air channel is included in multiple blow vent 15(of forming on signal sampling channel case as shown in Figure 5), at each blow vent, 15 places are provided with waveguide net 16, and this waveguide net 16 can reduce the electromagnetic interference (EMI) of Radio frequency interference (RFI) to case in-body power source greatly.
In addition, be provided with the supporting construction that supports signal sampling channel case 1 on signal sampling channel case 1, supporting construction is isolated from each other ground plane and ground.The casing that signal sampling channel case 1 is cube structure in the present embodiment, this casing plane cover plate is 19 inches of standard panels, is highly 3U.Supporting construction is included in the cornerite arranging respectively on eight angles of casing of cube structure and strengthens structure 13.Cornerite strengthens structure 13 for elastic body cornerite enhancing structure, in the present embodiment elastic body be various known can be for the rubber as supporting construction.This supporting construction that signal sampling channel case 1 adopts makes to reduce the collision while use, is beneficial to fix not slide.The conditioning power supply of sensor power supply and signal circuit separately, ensures good signal isolation, improves sampling precision.
In addition, signal sampling channel case 1 is provided with holding structure, and holding structure is the handle 1 of being fixed by groove milling jam nut, can bear the weight of 100 kilograms.
In addition, in signal sampling channel case in the present embodiment, be also provided with enhancing structure, this enhancing structure comprises at least one web beam and/or at least one stiffening rib (not shown).
Be described more specifically feature and the using method of signal sampling channel case of the present utility model below, and their beneficial effects of bringing.
The mechanism design of the signal sampling channel case of an embodiment of the present utility model adopts the framework of light high-intensity alloy, inner by wooden partition milling groove in echelon, casing adopts crossbeam to reinforce, and is ensureing further to have strengthened portability on the basis that casing is solid, firm.The anise of casing adopts die sinking rubber parcel, and the octahedral of casing is landed while laying, and surface of contact all can directly not contact with ground and cause tank surface to scratch; Rubber cornerite can play anti-skidding effect simultaneously, can effectively slow down the impulsion that train causes in operational process.In addition, this channel box internal electric source adopts separating type linear stabilized voltage supply power supply plan, by sensor power supply and modulate circuit power supply isolation, has avoided the interference of signal; Casing has also carried out the isolation of EMI electromagnetic interference (EMI) and has strengthened, and air hole utilizes the isolation of waveguide net, and these measures have all promoted the Electro Magnetic Compatibility of signal sampling channel case.
In sum, this patent is applied to the principal feature of locomotive test:
1, box house built-up circuit has been optimized the IO interface of portable signal sampling channel case, has facilitated locomotive test wiring;
2, body structure adopts light high-intensity alloy and structural strengthening, and anistree cornerite strengthens the stability of portable and structure;
3, internal electric source isolation and the design of waveguide net, promoted anti-EMI Electro Magnetic Compatibility, can be applied in severe electromagnetic environment.
In the time using the signal sampling channel case of above embodiment, this signal sampling channel case is placed in to cab or the electric equipment compartment of locomotive, for convenience of power taking, the input of acquisition channel case power supply adopts AC220V, is sensor power supply by the D.C. regulated power supply in case.First, sensor will be linked into the front panel of casing after the analog voltage signal that the net of electrical network end is pressed, the electric moter voltage of net stream and traction electric machine end and electric current are converted into small magnitude; Secondly, the analog voltage signal of sensor output is sorted out the rear unified aviation plug output that outputs to rear panel of conditioning by the switching circuit board of box house; Finally, aviation plug output is input to locomotive rear portion by the signal connecting line of 30m-50m and connects the instruction carriage of the hanging plate correspondence position of reaching the standard grade, the instruction carriage plate of reaching the standard grade is sunken cord and is connected by inside with the signal connecting line between instruction carriage collection, and then instruction carriage gathers signal.
By adopting above-mentioned concrete technical scheme, it is a kind of easy for installation, simple in structure that the utility model provides, and measuring accuracy is high, the signal sampling channel case of advantages of good shielding performance.
Protection domain of the present utility model is not limited to the specific embodiment illustrating in above-mentioned embodiment, as long as but the combination that meets technical scheme just fallen in protection domain of the present utility model.
Claims (10)
1. a signal sampling channel case, is characterized in that, described signal sampling channel case is arranged at locomotive and is communicated with the same multiple sensors that are arranged at locomotive, and described signal sampling channel case is also communicated with instruction carriage terminal block by wired or wireless mode,
The input end of wherein said signal sampling channel case has multiple input ports, input port and a corresponding connection in described sensor described in each; The output terminal of described signal sampling channel case has at least one output port, the connection corresponding to described instruction carriage terminal block of described output port, and the quantity of described output port is less than the quantity of described input port.
2. signal sampling channel case according to claim 1, it is characterized in that, syndeton between the every pair of described input port and the port of corresponding described sensor differs from one another, i.e. the port of the different and/or described sensor of described input port structure each other structure difference each other.
3. signal sampling channel case according to claim 2, is characterized in that, the quantity of described output port is one.
4. signal sampling channel case according to claim 1, it is characterized in that, in described signal sampling channel case, being provided with can be from the modular converter of the signal of described output port output, for the conditioning module of conditioned signal with for the supply module to modular converter and conditioning module power supply by converting to from the signal of described input port input, and described supply module is electrically connected with described modular converter and described conditioning module.
5. signal sampling channel case according to claim 1, it is characterized in that, in described signal sampling channel case, be provided with air channel, described air channel is included at least one blow vent forming on described signal sampling channel case, and at described blow vent, place is provided with waveguide net.
6. signal sampling channel case according to claim 1, is characterized in that, is provided with the supporting construction that supports described signal sampling channel case on the ground plane of described signal sampling channel case, and described supporting construction is isolated from each other described ground plane and ground.
7. signal sampling channel case according to claim 6, is characterized in that, described signal sampling channel case is cube structure, and described supporting construction is included in the cornerite arranging respectively on eight angles of described cube structure and strengthens structure.
8. signal sampling channel case according to claim 7, is characterized in that, it is that elastic body cornerite strengthens structure that described cornerite strengthens structure, and described elastic body at least comprises rubber.
9. according to the signal sampling channel case described in claim 7 or 8, it is characterized in that, described signal sampling channel case is provided with holding structure, and described holding structure is the handle of being fixed by groove milling jam nut.
10. signal sampling channel case according to claim 1, is characterized in that, in described signal sampling channel case, is provided with enhancing structure, and described enhancing structure comprises at least one web beam and/or at least one stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119365.1U CN203894063U (en) | 2014-03-14 | 2014-03-14 | Signal collecting channel box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420119365.1U CN203894063U (en) | 2014-03-14 | 2014-03-14 | Signal collecting channel box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894063U true CN203894063U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420119365.1U Expired - Lifetime CN203894063U (en) | 2014-03-14 | 2014-03-14 | Signal collecting channel box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714058A (en) * | 2015-02-10 | 2015-06-17 | 株洲南车时代电气股份有限公司 | Test tool and equipment of locomotive converter |
| CN105300197A (en) * | 2015-10-22 | 2016-02-03 | 中国兵器工业试验测试研究院 | Reinforced type data acquisition system |
| CN108375372A (en) * | 2018-05-02 | 2018-08-07 | 北京雷神博峰信息技术有限责任公司 | A kind of vehicle attitude and environmental monitor |
-
2014
- 2014-03-14 CN CN201420119365.1U patent/CN203894063U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714058A (en) * | 2015-02-10 | 2015-06-17 | 株洲南车时代电气股份有限公司 | Test tool and equipment of locomotive converter |
| CN104714058B (en) * | 2015-02-10 | 2018-11-20 | 株洲南车时代电气股份有限公司 | The test tool and testing equipment of locomotive converter |
| CN105300197A (en) * | 2015-10-22 | 2016-02-03 | 中国兵器工业试验测试研究院 | Reinforced type data acquisition system |
| CN108375372A (en) * | 2018-05-02 | 2018-08-07 | 北京雷神博峰信息技术有限责任公司 | A kind of vehicle attitude and environmental monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: LOCOMOTIVE + CAR RESEARCH INSTITUTE, CHINA ACADEMY OF RAILWAY SCIENCES Effective date: 20150804 Owner name: LOCOMOTIVE + CAR RESEARCH INSTITUTE, CHINA ACADEMY Free format text: FORMER OWNER: BEIJING ZONGHENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20150804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150804 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY Corp. Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute Patentee after: BEIJING ZONGHENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute Patentee before: BEIJING ZONGHENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |