CN208568942U - Plate grade key switch connection test device - Google Patents
Plate grade key switch connection test device Download PDFInfo
- Publication number
- CN208568942U CN208568942U CN201821038367.2U CN201821038367U CN208568942U CN 208568942 U CN208568942 U CN 208568942U CN 201821038367 U CN201821038367 U CN 201821038367U CN 208568942 U CN208568942 U CN 208568942U
- Authority
- CN
- China
- Prior art keywords
- branch
- power supply
- cable
- display module
- key switch
- 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.)
- Active
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model belongs to the technical field of test fixture, in order to solve in plate grade key switch test process in the prior art, there is technical issues that human error and；The utility model provides a kind of plate grade key switch connection test device, comprising: power supply and the socket with plug cooperation, and the connection circuit that the socket is connected to power supply, the connection circuit includes the first branch and second branch；Wherein, when the plate grade key switch is connected to the socket of the connection test device by the plug, the first branch between first cable and power supply for forming galvanic circle, and the second branch is for forming galvanic circle between second cable and power supply；The first branch is provided with the first display module, and the second branch is provided with the second display module.Therefore, the information shown by the display module of connection test device, can quickly and accurately whether cable sequence welding be correct in detection plate grade key switch.
Description
Technical field
The utility model relates to the technical fields of test fixture more particularly to a kind of plate grade key switch to be filled with continuity test
It sets, more particularly, to plate grade key switch connection test device in a kind of nuclear safe level control system.
Background technique
A variety of key switches are used in nuclear safe level board level product, for example, being with harmonious system (English abbreviation Firmsys)
In the nuclear plant digital I&C system (abbreviation DCS system) of representative, just there are many key switch, this plate grade key switch is logical
It often include a plurality of cable, when key is rotated to different positions, different cables is connected with circuit, realizes the effect of switch.
And key switch cable needs to check whether cable welding is welded according to correct mode after the completion of welding.
In the prior art, process self-test is carried out usually using visual inspection, and whether operator visually inspects line sequence welding
In correct mode, operator is needed to focus in the actual operation process；But visual inspection is dependent on operator's
Implementation capacity, Specialized Quality, are easy to appear human error during the inspection process.
Whether correct, the existing above problem is welded in order to solve visual inspection line sequence.The prior art also provides a kind of logical
It crosses the solution of digital multimeter test: 1, key switch is adjusted to the NORMAL shelves of digital multimeter, measurement 1 is answered with COM
For conducting；2, switch is adjusted to PERMIT grades, measurement 2 and COM should be conducting.Digital multimeter on-off shelves are in positive test pencil and bear
When pole test pencil measures line conduction, multimeter can beep, and operator hears that buzzer can quickly learn conducting just
Often.
Although digital multimeter can check cable, welding conduction property is qualified, and line sequence welding sequence is correct, and mesh is compared in measurement
Inspection look into efficiency promoted, testing result accuracy it is also higher；But digital multimeter needs operator to have certain profession to know
Know, has dependence to operator performance.
Utility model content
In order to solve in plate grade key switch test process in the prior art, there are the technologies of human error and low efficiency to ask
Topic；The utility model provides a kind of plate grade key switch connection test device, can quickly and accurately open detection plate grade key
Whether cable sequence welding in the Central Shanxi Plain is correct.
To achieve the goals above, technical solution provided by the utility model includes:
A kind of plate grade key switch connection test device is provided, the plate grade key switch includes corresponding with first state
The first cable, the second cable corresponding with the second state and the plug with first cable and second cable connection；
It is characterized in that, the connection test device includes:
Power supply and the socket cooperated with the plug, and
The connection circuit that the socket is connected to power supply, the connection circuit includes the first branch and second branch；
Wherein, it is described when the plate grade key switch is connected to the socket of the connection test device by the plug
The first branch is used for for forming galvanic circle, the second branch between first cable and power supply in second electricity
Galvanic circle is formed between cable and power supply；
The first branch is provided with the first display module, and the second branch is provided with the second display module.
In the utility model embodiment preferred embodiment, the information that first display module is shown is different from described
The display that second module is shown.
In the utility model embodiment further preferred embodiment, first display module and second display
Module is respectively the first LED light, the second LED light, and first LED light and second LED light show different colors.
In the embodiment of the utility model embodiment still more preferably, first LED light is displayed in red, and described
Two LED light display green.
In the utility model embodiment preferred embodiment, the connection circuit further includes for closing power supply and described
The switch of link circuit between the first branch and the second branch.
In the utility model embodiment preferred embodiment, the connection test device further includes connecting with power supply one end
Resistance, be provided with first terminal, Second terminal and third terminal in the socket；The first terminal and the first branch
Connection, the Second terminal are connect with the second branch, and the third terminal is connect with the other end of the power supply；Described
One branch and the other end of the second branch are connect with the resistance other end respectively.
In the utility model embodiment preferred embodiment, the socket includes fool proof positioning component.
In the utility model embodiment preferred embodiment, the voltage of the power supply is 9V.
In the utility model embodiment preferred embodiment, the connection test device further includes that connection described first is aobvious
Show the terminal block of module and second display module.
In the utility model embodiment further preferred embodiment, the connection test device further includes for fixing
The guide rail of the terminal block and the power supply.
Above-mentioned technical proposal is provided using the application, at least one of following beneficial effect can be obtained:
1, the plug of plate grade key switch is connected to the socket of connection test device, passes through in connection test device
One display module and the second display module come quickly whether the first cable and the second cable in ejecting plate grade key switch respectively weld
Well；And rotated to the first cable, the second cable status respectively by switch, if be respectively the first display module and second
Display module shows corresponding information, can quickly judge that the first cable and the second cable welding sequence in plate grade key switch are
It is no correct；The efficiency and accuracy rate of detection can be improved.
2, socket includes fool proof positioning component, and plug can be effectively ensured will not be reversed with socket；It is user-friendly, into
One step improves detection efficiency.
3, the components such as display module are connected in terminal block, and terminal block is fixed on guide rail, can be changed quickly
Spare component.
The other feature and advantage of utility model will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the technical solution of the utility model.The purpose of this utility model and other advantages
It can be achieved and obtained by specifically noted in the specification, claims and drawings structure and/or process.
Detailed description of the invention
Fig. 1 provides a kind of circuit diagram of connection test device for the utility model embodiment.
Fig. 2 provides a kind of structural schematic diagram of connection test device for the utility model embodiment.
Fig. 3 provides a kind of structural schematic diagram of plate grade key switch for the utility model embodiment.
Fig. 4 provides in a kind of plate grade key switch switch in first position schematic diagram for the utility model embodiment.
Fig. 5 provides in a kind of plate grade key switch switch in second position schematic diagram for the utility model embodiment.
Specific embodiment
The embodiments of the present invention is described in detail below with reference to accompanying drawings and embodiments, whereby to the utility model
How applied technology method solves technical problem, and the realization process for reaching technical effect can fully understand and implement.
It should be noted that these specific descriptions only allow those of ordinary skill in the art to be more easier, to clearly understand this practical new
Type, rather than the limited explanation to the utility model；As long as and do not constitute conflict, each embodiment in the utility model with
And each feature in each embodiment can be combined with each other, be formed by technical solution the protection scope of the utility model it
It is interior.
Below by the drawings and specific embodiments, the technical solution of the utility model is described in detail:
Embodiment
The present embodiment visually judges cable in plate grade key switch with digital multimeter to solve to pass through in the prior art
Whether weld good and weld in the correct order, the present embodiment provides one kind by special test tooling, when plate grade key
The cable of switch is welded according to the sequence striven for, circuit conducting where display module could will be corresponded in special test tooling, this
Sample can show whether information meets pre-provisioning request by display module, so as to quickly and accurately judge ejecting plate grade key
Whether meet the requirements after cable welding in spoon switch.
First plate grade key switch provided in this embodiment is illustrated below with reference to Fig. 3, the plate grade key switch
Including rotating element (such as key) 710, with first state (state when rotating element 71- is rotated to first position, for example, under
In texts and pictures 4 at corresponding Normal) corresponding first cable 721, with the (rotation of rotating element 710 to the second position of the second state
When state, such as in following FIG. 5 at corresponding Permit) corresponding second cable 722 and with the first cable 721 and the second electricity
The plug 730 that cable 722 connects can also include a third cable 720 connecting with positive pole, certain third cable certainly
720 can directly be replaced with ground terminal.
It should be noted that the plate grade key switch that above-mentioned Fig. 3 is referred to can correspond to two states, but the present embodiment is not
It is limited to this, can be applicable to different conditions (rotating element is located at different location) and corresponding more cables in more, for
The case where more clock different conditions, it is a plurality of correspondingly to refer to that plate grade key switch is also increase accordingly with connection test device below
Branch including other display modules；These belong to the range of the present embodiment protection.
As shown in Figure 1, the present embodiment provides a kind of plate grade key switch connection test device, the connection test device packet
It includes:
Power supply 100 and the socket 500 cooperated with plug, and
The connection circuit that socket 500 is connected to power supply, connection circuit include the first branch (region dotted line A) and the
Two branches (region dotted line B)；
Wherein, when plate grade key switch is connected to the socket 500 of connection test device by plug 730, the first branch is used
In forming galvanic circle between the first cable 721 and power supply 100, second branch be used for the second cable 722 and power supply 100 it
Between form galvanic circle；
The first branch is provided with the first display module, and second branch is provided with the second display module.
It should be noted that form galvanic circle between the first cable 721 and power supply 100, be if plate grade key switch by
In the case where according to the welding of correct sequence, just having a galvanic circle includes the first cable 721 and power supply 10, and certain conduction is returned
Road can also include other components and conducting wire.Similarly, galvanic circle is formed between the second cable 722 and power supply 100 is also
It is similar.
In the present embodiment preferred embodiment, the information that the first display module is shown shows aobvious different from the second module
Show；The word content that display module can use such as Display panel different, or the color that display is different, certain the present embodiment
It is not limited to only being the display observed by the naked eye, can also be the display of voice class, as long as passing through display mould convenient for user
Block understand that testing result, these different embodiments belong to the protection scope of the present embodiment.
In the present embodiment further preferred embodiment, the first display module and the second display module are respectively first
LED light 400, the second LED light 300, and the first LED light 400 and the second LED light 300 show different colors；For example, first
LED light 400 is displayed in red, and the second LED light 300 shows green.
In the present embodiment preferred embodiment, connection test device further includes connecting with 900 one end of power supply (cathode)
Resistance 200 is provided with first terminal 510, Second terminal 520 and third terminal 530 in socket 500；First terminal 510 and first
Branch connection, Second terminal 520 are connect with second branch, and third terminal 530 is connect with the other end (anode) of power supply (by leading
Line connection)；The other end of the first branch and second branch is connect with the other end of resistance 200 respectively.
By adopting the above technical scheme, if the first cable 721 and the welding of the second cable 722 are good in plate grade key switch,
And it welds in the correct order；Then after the plug of plate grade key switch is connected to the socket of connection test device, rotation is opened
Rotation is closed to first state, the first LED light is bright, and tester can see red, and rotary switch is rotated to the second state, and second
LED light is bright, and tester can see green.If there is failure welding in the first cable 721 and the second cable 722, accordingly
LED light would not be lit.If 722 welding sequence mistake of the first cable 721 and the second cable, the color of bright light be not right
It answers.
Therefore, the plug of plate grade key switch is connected to the socket of connection test device, by connection test device
The first display module and the second display module whether quickly distinguish in ejecting plate grade key switch the first cable and the second cable
Welding is good；And by switch rotated to the first cable, the second cable status respectively, if be respectively the first display module and
Second display module shows corresponding information, can quickly judge that the first cable in plate grade key switch and the second cable welding are suitable
Whether sequence is correct；The efficiency and accuracy rate of detection can be improved.
In the utility model embodiment preferred embodiment, connection circuit further includes for closing power supply 100 and first
The switch (not shown) of link circuit between branch and second branch.
In the present embodiment preferred embodiment, socket includes fool proof positioning component.For example, the sidewall shape inside socket
Difference can not be installed if installation direction is not right, and about the specific structure of fool proof positioning component, the present embodiment is not limited it,
Any one structure for capableing of fool proof installation may be suitable for the present embodiment in the prior art.
In the present embodiment preferred embodiment, the voltage of power supply is 9V.
In the present embodiment preferred embodiment, connection test device further includes the first display module of connection and the second display
The terminal block 402,302 of module, and the terminal block 202 of connection resistance 200.
In the present embodiment further preferred embodiment, connection test device further includes for fixing terminal row and power supply
Guide rail, these guide rails be arranged in including install power supply shell 100 and mounted LED lamp, resistance, terminal block shell 210,
310、410。
In the present embodiment, corresponding end can also be indicated respectively by lettering on connection test device surface mount label, label
Son arranges upper component attributes, LED light color and resistance abbreviation；And key switch corresponds to line sequence label, defines for key switch
Corresponding terminal sequence number is marked, operator easily determines whether key switch line sequence is correct.
Above-mentioned technical proposal provided in this embodiment can be applied directly to nuclear plant digital I&C system (abbreviation DCS
System) in, can thus measure using key adjust contacts open (for example, mentioned above first state) or closure (for example,
Second state mentioned above) switch whether line sequence welds correctly；It is built by elements such as LED, resistance, terminal block, batteries dedicated
Circuit is tested, measurement switchs each gear circuit on-off situation, turns on/off identification circuit on-off with LED, use LED modules with different colors
Line sequence is distinguished, operator can realize intuitive, quick and accurate test purpose.Plate grade key switch connection test device
Socket and the plug of key switch can realize fast insert-pull, and plug, socket have fool-proof design, can avoid backward error.
Plate grade key switch connection test device use can be improved test testing result accuracy, improve working efficiency, enhancing matter
Measure control means.
Finally, it should be noted that above description is only the most preferred embodiment of the utility model, it is not practical to this
The novel limitation done in any form.Anyone skilled in the art is not departing from technical solutions of the utility model model
In enclosing, all using the way of the disclosure above and technology contents to technical solutions of the utility model make many possible variations and
Simple replacement etc., these belong to the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of plate grade key switch connection test device, the plate grade key switch include corresponding with first state first
Cable, the second cable corresponding with the second state and the plug with first cable and second cable connection；Its feature
It is, the connection test device includes:
Power supply and the socket cooperated with the plug, and
The connection circuit that the socket is connected to power supply, the connection circuit includes the first branch and second branch；
Wherein, when the plate grade key switch is connected to the socket of the connection test device by the plug, described first
Branch for forming galvanic circle between first cable and power supply, the second branch be used in second cable and
Galvanic circle is formed between power supply；
The first branch is provided with the first display module, and the second branch is provided with the second display module.
2. the apparatus according to claim 1, which is characterized in that the information that first display module is shown is different from described
The display of second display module.
3. the apparatus of claim 2, which is characterized in that first display module and second display module point
Not Wei the first LED light, the second LED light, and first LED light and second LED light show different colors.
4. device according to claim 3, which is characterized in that first LED light is displayed in red, second LED light
Display green.
5. the apparatus according to claim 1, which is characterized in that the connection circuit further includes for closing power supply and described
The switch of link circuit between the first branch and the second branch.
6. the apparatus according to claim 1, which is characterized in that further include the resistance being connect with power supply one end, the socket
In be provided with first terminal, Second terminal and third terminal；The first terminal is connect with the first branch, the second end
Sub to connect with the second branch, the third terminal is connect with the other end of the power supply；The first branch and described
The other end of two branches is connect with the resistance other end respectively.
7. the apparatus according to claim 1, which is characterized in that the socket includes fool proof positioning component.
8. the apparatus according to claim 1, which is characterized in that the voltage of the power supply is 9V.
9. the apparatus according to claim 1, which is characterized in that further include connection first display module and described second
The terminal block of display module.
10. device according to claim 9, which is characterized in that further include for fixing the terminal block and the power supply
Guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821038367.2U CN208568942U (en) | 2018-06-29 | 2018-06-29 | Plate grade key switch connection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821038367.2U CN208568942U (en) | 2018-06-29 | 2018-06-29 | Plate grade key switch connection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568942U true CN208568942U (en) | 2019-03-01 |
Family
ID=65490614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821038367.2U Active CN208568942U (en) | 2018-06-29 | 2018-06-29 | Plate grade key switch connection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208568942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479183A (en) * | 2021-07-19 | 2021-10-08 | 中车成都机车车辆有限公司 | Pressure switch testing method and device for debugging urban rail vehicle braking system |
-
2018
- 2018-06-29 CN CN201821038367.2U patent/CN208568942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479183A (en) * | 2021-07-19 | 2021-10-08 | 中车成都机车车辆有限公司 | Pressure switch testing method and device for debugging urban rail vehicle braking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201788265U (en) | Tester for battery protection board | |
| CN206179483U (en) | LCD module's test keysets | |
| CN109444542A (en) | A kind of fully automatic secondary insulating resistance of cable auxiliary test unit and its test method | |
| CN208568942U (en) | Plate grade key switch connection test device | |
| CN209311574U (en) | Fully automatic secondary insulating resistance of cable auxiliary test unit | |
| CN105353292A (en) | Automatic detection device of circuit board of electric energy meter | |
| CN218585226U (en) | Shelter power station switch board detection device | |
| CN204807649U (en) | Tester | |
| CN106885943A (en) | Cable detection plate and method, line sequence, impedance, insulating properties, degradation detecting method | |
| CN207352134U (en) | A kind of simple detection device of battery modules welding quality | |
| CN206074668U (en) | LED car lamp current tester with auto-alarm function | |
| CN217505983U (en) | High-precision solution conductivity measuring instrument | |
| CN102544408B (en) | Battery box and mobile phone charging and discharging testing system | |
| CN204086443U (en) | A kind of winding displacement test fixture | |
| CN209248002U (en) | A kind of LED light strip ageing tester | |
| CN203705623U (en) | Lamp test circuit and lamp test instrument having same | |
| CN209784464U (en) | Electric switch conduction detection instrument | |
| CN112904195A (en) | FTU and pole switch on-site detection device | |
| CN112415419A (en) | LED module protective adhesive layer detection tool and method | |
| CN220105162U (en) | Direct resistance measuring device of current transformer | |
| CN207703949U (en) | A kind of multi-purpose frequency conversion automatic system tester | |
| CN204168240U (en) | Hi-pot Tester spot check fixture | |
| CN214795003U (en) | CRDM testing device and tester for control rod driving mechanism | |
| CN205280863U (en) | A automatic testing keysets for cable | |
| CN216792420U (en) | Wire harness detection device based on LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |