CN108872821A - A kind of test device and tester - Google Patents
A kind of test device and tester Download PDFInfo
- Publication number
- CN108872821A CN108872821A CN201810870309.4A CN201810870309A CN108872821A CN 108872821 A CN108872821 A CN 108872821A CN 201810870309 A CN201810870309 A CN 201810870309A CN 108872821 A CN108872821 A CN 108872821A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- resistor
- electrically connected
- resistance
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000012806 monitoring device Methods 0.000 claims abstract description 23
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The embodiment of the present invention proposes a kind of test device and tester, is related to power grid testing field.Test device is applied to tester, test device includes selector, first resistor, second resistance, 3rd resistor, slide resistor and connecting terminal, one end of selector be electrically connected to ground, the selectable one end with first resistor, second resistance, 3rd resistor and slide resistor of the other end of selector is electrically connected, first resistor, second resistance, 3rd resistor and slide resistor the other end be electrically connected with connecting terminal, connecting terminal is electrically connected with an insulation monitoring device；Selector selects corresponding resistance to be electrically connected for operating according to the user's choice from first resistor, second resistance, 3rd resistor and slide resistor, in order to detect whether insulation monitoring device works normally.The test device facilitates user fast and accurately to find corresponding resistance value according to different voltage conditions, realizes accurate test.
Description
Technical field
The present invention relates to power grid the field of test technology, in particular to a kind of test device and tester.
Background technique
According to direct current examination, regular inspection, annual test regulatory requirements, ground signalling test need to be carried out to direct current system.Current survey
Method for testing is, a people looked at DC feeder screen it is spare be spaced apart, according to corresponding ground resistance threshold value, system is accessed not manually
With the resistance of resistance value, another people checks whether insulation monitoring device is grounded inspection at the insulation monitoring device of direct current system
Brake.
The working method of the grounding monitor function of current authentication insulation monitoring device, needs the resistance that artificial selection is different,
Once resistance selection is improper, it just cannot achieve authentication function or bring harm to direct current system, if resistance selection is excessive, nothing
Method correctly quotes ground branch, if resistance selection is too small, can not just verify ground resistance threshold value, if resistance damages, will cause
Direct current system is directly grounded, and seriously affects the safe and stable operation of system.
And the not set protective device of the display screen of present tester protects it, and display screen is by external force
Impact be easily damaged, staff do not need viewing display screen on display data when, survey instrument during carrying
It is easy to be hit and damaged.
Summary of the invention
The purpose of the present invention is to provide a kind of test device and testers, can be solved by the test device and tester
Certainly above-mentioned technical problem.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
In a first aspect, being applied to tester, including selector, first the embodiment of the invention provides a kind of test device
Resistance, second resistance, 3rd resistor, slide resistor and connecting terminal, one end of the selector be electrically connected to ground, institute
The other end for stating selector is selectable with the first resistor, the second resistance, the 3rd resistor and the sliding
One end of resistor is electrically connected, the first resistor, the second resistance, the 3rd resistor and the slide resistor
The other end is electrically connected with the connecting terminal, and the connecting terminal is electrically connected with an insulation monitoring device；The selector is used
In being operated according to the user's choice from the first resistor, the second resistance, the 3rd resistor and the swept resistance
Corresponding resistance is selected to be electrically connected in device, in order to detect whether the insulation monitoring device works normally.
Further, the test device further includes display, one end of one end of the display and the selector
Electrical connection, the other end of the display and the first resistor, the second resistance, the 3rd resistor and the sliding
The other end of resistor is electrically connected；The display is used to show the resistance value for the resistance being electrically connected with the selector.
Further, the test device further includes first switch, one end of the first switch and the selector
One end electrical connection, the other end of the first switch are electrically connected to ground with described.
Second aspect, the embodiment of the invention also provides a kind of tester, including ontology, handle device, screen protection device with
And test device as described in relation to the first aspect, the test device further include display, one end of the display and the choosing
Select one end electrical connection of device, the other end of the display and the first resistor, the second resistance, the 3rd resistor with
And the other end of the slide resistor is electrically connected, the ontology includes first side, second side and third side, institute
It states and is provided with the screen protection device, the display, the selector and the connecting terminal in first side, the handle dress
It installs in the second side and the third side；The handle device for being when the tester is moved
User provides the device grasped；The screen protection device is for protecting the display.
Further, the handle device includes first connecting portion and second connecting portion, and the first connecting portion includes the
One connecting rod, the second connecting rod and third connecting rod, the second connecting portion include first connecting rod and second connecting rod, and described first
One end of connecting rod is connect with one end of the third connecting rod, one end of second connecting rod and the third connecting rod
Other end connection, the other end of the first connecting rod are flexibly connected with one end of the first connecting rod, second connecting rod
The other end is flexibly connected with one end of the second connecting rod, and the other end of the first connecting rod is fixed at the second side
On, the other end of the second connecting rod is fixed on the third side.
Further, the handle device further include second switch, first protrusion, second protrusion and the first elastic component,
First elastic component is all connected with the second switch, first protrusion and second protrusion, first protrusion
It is mounted on the first connecting rod, second protrusion is mounted in second connecting rod, and the second switch is mounted on
In the third connecting rod, first elastic component is mounted on the first connecting rod, second connecting rod and the third
In connecting rod.
Further, the handle device further includes third protrusion and the 4th protrusion, and the third protrusion is arranged described
On first connecting rod, the 4th protrusion is arranged in second connecting rod.
Further, screen protection device includes that protection curtain, spool and motor, the motor are electrically connected with the controller,
The arbor of the motor is connect with the spool, and one end of the protection curtain is connect with the spool, and the spool is mounted on institute
State the top of display.
Further, the screen protection device further includes third switch and the 4th switch, the third switch and the described 4th
Switch is electrically connected with the controller.
Further, the test device further includes first switch, one end of the first switch and the selector
One end electrical connection, the other end of the first switch are electrically connected to ground with described, and the first switch is arranged in first side
On face.
The selector of test device provided in an embodiment of the present invention and tester, test device operates according to the user's choice
It selects corresponding resistance to be electrically connected from first resistor, second resistance, 3rd resistor and slide resistor, passes through swept resistance
Device can satisfy the resistance value demand under any voltage condition, can be expired by first resistor, second resistance and 3rd resistor
Resistance value demand under sufficient 110V, 220V and 330V voltage condition, facilitate user according to different voltage conditions quick and precisely
Find corresponding resistance value.
Tester protects display by screen protection device, and preventing tester, display receives in the handling process
It collides and damages, Field Force can also be prevented because of operation error when user does not need the data shown on viewing display
Display is damaged.Also, the mobile tester of user can be convenient by handle device.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural schematic diagram of tester provided in an embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of the tester of another working condition provided in an embodiment of the present invention；
Fig. 3 shows the structural block diagram of test device provided in an embodiment of the present invention；
Fig. 4 shows the structural schematic diagram of handle device provided in an embodiment of the present invention；
Fig. 5 shows the structural schematic diagram of screen protection device provided in an embodiment of the present invention.
Icon：1- tester；10- test device；11- selector；12- first resistor；13- second resistance；14- third electricity
Resistance；15- slide resistor；16- connecting terminal；17- display；18- first switch；19- the 5th is switched；20- ontology；21-
One side；22- second side；23- third side；30- handle device；31- first connecting portion；311- first connecting rod；312-
Second connecting rod；313- third connecting rod；32- second connecting portion；321- first connecting rod；322- second connecting rod；33- second is opened
It closes；The first protrusion of 34-；The second protrusion of 35-；The 4th protrusion of 36-；40- screen protection device；41- protects curtain；411- screening glass；42- volumes
Axis；43- motor；44- third switch；45- the 4th is switched.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
It as shown in Figs. 1-2, is the structural schematic diagram of tester 1 provided in an embodiment of the present invention, which is applied to exhausted
Edge tester is that energy accurate measurements go out to be grounded unusual condition for verifying insulation tester whether ground connection to occur in direct current system,
Prevent that bring relay protection device misses because insulation tester fails to detect in time due to ground connection unusual condition occurs for direct current system
The serious consequences such as dynamic, tripping, power supply short circuit.
As shown in figure 3, tester 1 includes ontology 20, handle device 30, screen protection device 40 and test device 10, it is described
Test device 10 includes selector 11, first resistor 12, second resistance 13,3rd resistor 14, slide resistor 15 with, terminals
Son 16 and display 17, one end of the selector 11 be electrically connected to ground, the other end of the selector 11 is selectable
It is electrically connected with one end of the first resistor 12, the second resistance 13, the 3rd resistor 14 and the slide resistor 15
It connects, the first resistor 12, the second resistance 13, the other end of the 3rd resistor 14 and the slide resistor 15 are equal
It being electrically connected with the connecting terminal 16, the connecting terminal 16 is electrically connected with an insulation monitoring device, and the one of the display 17
End is electrically connected with one end of the selector 11, the other end of the display 17 and the first resistor 12, second electricity
The other end of resistance 13, the 3rd resistor 14 and the slide resistor 15 is electrically connected.
The selector 11 is for operating according to the user's choice from the first resistor 12, the second resistance 13, institute
It states and corresponding resistance is selected to be electrically connected in 3rd resistor 14 and the slide resistor 15, in order to detect the insulating monitoring
Whether device works normally, and the display 17 is used to show the resistance value for the resistance being electrically connected with the selector 11.
In the present embodiment, the first resistor 12 can be set to 12K Ω, and the second resistance 13 can be set to
20K Ω, the 3rd resistor 14 can be set to 30K Ω, and slide resistor 15 can be set to 0-500K Ω；And work as selector
11 with first resistor 12 when being electrically connected, and the field of ground fault occurs in direct current system of the tester 1 for analog voltage to be 110V
Scape, if insulation monitoring device can work normally, then insulation monitoring device detects that current value (i.e. 9.17mA) at this time is greater than
Or it is equal to secure threshold, insulation monitoring device will issue warning reminding, while display 17 can be by the resistance value of first resistor 12
It is shown, whether accurate facilitates user to confirm first resistor 12, and whether insulation monitoring device at this time can work normally；
When selector 11 is electrically connected with second resistance 13, direct current system of the tester 1 for analog voltage to be 220V is grounded
The scene of failure, if insulation monitoring device can work normally, then insulation monitoring device detects current value at this time (i.e.
11mA) it is greater than or equal to secure threshold, insulation monitoring device will issue warning reminding, while display 17 can be by second resistance
13 resistance value is shown；When selector 11 is electrically connected with 3rd resistor 14, tester 1 is 330V's for analog voltage
There is the scene of ground fault in direct current system, if insulation monitoring device can work normally, then insulation monitoring device detects this
When current value (11mA) be greater than or equal to secure threshold, insulation monitoring device will issue warning reminding, while display
17 can show the resistance value of 3rd resistor 14；When selector 11 is electrically connected with slide resistor 15, tester 1 is used for mould
There is the scene of ground fault in the direct current system of quasi- any voltage value, if insulation monitoring device can work normally, then insulation prison
It surveys device and detects that current value at this time is greater than or equal to secure threshold, insulation monitoring device will issue warning reminding, simultaneously
Display 17 shows the resistance value of slide resistor 15.
Further, in the present embodiment, the test device 10 further includes first switch 18, the first switch 18
One end is electrically connected with one end of the selector 11, and the other end of the first switch 18 is electrically connected to ground with described.
Further, in the present embodiment, test device 10 further includes fuse, one end of fuse and connecting terminal 16
Electrical connection, the other end of fuse and the first resistor 12, the second resistance 13, the 3rd resistor 14 and the cunning
The other end of dynamic resistor 15 is electrically connected, and is damaged for preventing because of resistance, caused by direct current system be directly grounded.
Further, in the present embodiment, test device 10 further includes the 5th switch 19, one end of the 5th switch 19 and institute
One end electrical connection of selector 11 is stated, the other end of the 5th switch 19 is electrically connected with one end of the display 17, the 5th switch
19 for controlling the switch of display 17.
In the present embodiment, the selector 11 can be led to using hilted broadsword four-throw selection switch, the connecting terminal 16
Line stretcher is crossed to be electrically connected with insulation monitoring device, one end of selector 11 can by line stretcher be electrically connected to ground.
The ontology 20 includes first side 21, second side 22 and third side 23, is set in the first side 21
It is equipped with the screen protection device 40, the display 17, the selector 11 and the connecting terminal 16, the handle device 30 is set
It sets in the second side 22 and the third side 23, the first switch 18 is arranged in the first side 21.
The handle device 30 is for providing the device of grasping when the tester 1 is moved for user；The screen
Protection device 40 is for protecting the display 17.
As shown in figure 4, the handle device 30 includes first connecting portion 31 and second connecting portion 32, the first connecting portion
31 include first connecting rod 311, the second connecting rod 312 and third connecting rod 313, and the second connecting portion 32 includes first connecting rod
321 and second connecting rod 322, one end of the first connecting rod 311 connect with one end of the third connecting rod 313, described
One end of two connecting rods 312 is connect with the other end of the third connecting rod 313, the other end of the first connecting rod 311 with
One end of the first connecting rod 321 is flexibly connected, and the one of the other end of second connecting rod 312 and the second connecting rod 322
End is flexibly connected, and the other end of the first connecting rod 321 is fixed in the second side 22, the second connecting rod 322
The other end be fixed on the third side 23.
In the present embodiment, the first connecting rod 311, the second connecting rod 312 and third connecting rod 313 can be set
It is an integral molding structure, and first connecting rod 311, the second connecting rod 312 and third connecting rod 313 are set as hollow structure,
One end of first connecting rod 321 is located in the other end of first connecting rod 311, and one end of second connecting rod 322 is located at the second connecting rod
In 312 other end.
In the present embodiment, it is provided with the second elastic component in first connecting rod 321, third bullet is provided in second connecting rod 322
Property part, the second elastic component and third elastic component can use spring, and one end of second elastic component is fixedly connected on first
The other end of connecting rod 321, the other end of the second elastic component are fixedly connected in the other end of first connecting rod 311, third elasticity
One end of part is fixedly connected on the other end of second connecting rod 322, and the other end of third elastic component is fixedly connected on the second connecting rod
In 312 other end.
The handle device 30 further includes second switch 33, first the 34, second protrusion 35 of protrusion and the first elastic component, institute
It states the first elastic component to be all connected with the second switch 33, first protrusion 34 and second protrusion 35, described first
Protrusion 34 is mounted on the first connecting rod 311, and second protrusion 35 is mounted in second connecting rod 312, described
Second switch 33 is mounted in the third connecting rod 313, and first elastic component is mounted on the first connecting rod 311, institute
It states in the second connecting rod 312 and the third connecting rod 313.
In the present embodiment, second side 22 be provided with the first raised 34 corresponding grooves, set in third side 23
It is equipped with and the second raised 35 corresponding grooves.When user does not need to move tester 1 using handle device 30, first
One end of connecting rod 311 and the second connecting rod 312 is in the bottom position of tester 1, at this point, first protrusion 34 and second
The corresponding groove cooperation of protrusion 35, is fixed on tester 1 for one end of first connecting rod 311 and the second connecting rod 312
Bottom position；When user needs to move tester 1 using handle device 30, the first protrusion 34 and the second protrusion 35 will
Groove cooperation that will not be corresponding, allow first connecting rod 311 can the second connecting rod 312 to far from 1 bottom end of tester
Direction is mobile.
In the present embodiment, if user does not need to move tester 1 using handle device 30, user can be to
Three connecting rods 313 apply downward pressing force, so that first connecting rod 311 and the second connecting rod 312 are respectively along first
Connecting rod 321 and second connecting rod 322 move down until the first protrusion 34 and the second raised 35 corresponding groove cooperate, in turn
So that first connecting rod 311 and the second connecting rod 312 will not be under pressure and shape occur because of the second elastic component and third elastic component
The elastic force to 1 top orientation of tester for becoming and generating is mobile to 1 top of tester；If user needs right using handle device 30
Tester 1 is moved, and user can apply peace pressure to second switch 33, and the first protrusion 34 and the second protrusion 35 will be the
It is contracted under the drive of one elastic component in first connecting rod 311 and the second connecting rod 312, so that the first protrusion 34 and the second protrusion
35 corresponding grooves lose cooperation, so that first connecting rod 311 and the second connecting rod 312 are in the second elastic component and
It is mobile to 1 top orientation of tester under what three elastic components were generated by deformation acts on to the elastic force of 1 top orientation of tester.
The handle device 30 further includes third protrusion and the 4th protrusion 36, and the third protrusion setting connects described first
On extension bar 311, the 4th protrusion 36 is arranged in second connecting rod 312.
In the present embodiment, second side 22 is provided with groove corresponding with third protrusion, is arranged in third side 23
Have and the 4th raised 36 corresponding grooves.When user needs to move tester 1 by handle device 30, third protrusion
The is prevented with the corresponding groove cooperation of the 4th protrusion 36 to fix 312 position of first connecting rod 311 and the second connecting rod
One connecting rod 311 and the second connecting rod 312 disconnect relationship with first connecting rod 321 and second connecting rod 322 due to stress is overweight.
As shown in figure 5, the screen protection device 40 includes protection curtain 41, spool 42 and motor 43, the motor 43 and one
Controller electrical connection, the arbor of the motor 43 are connect with the spool 42, one end of the protection curtain 41 and the spool 42
Connection, the spool 42 are mounted on the top of the display 17.
The screen protection device 40 further includes third switch 44 and the 4th switch 45, and the third switch 44 and the described 4th open
45 are closed to be electrically connected with the controller.
In the present embodiment, the protection curtain 41 includes multiple screening glass 411, and the multiple screening glass 411 is with multi-joint
Movable mode is cascaded.It is appreciated that third switch 44 is pressed according to user's when display 17 is not used by a user
It presses work and sends the first control instruction to controller, controller turns counterclockwise according to the arbor that the first control instruction controls motor 43
It is dynamic, and then spool 42 is driven to rotate counterclockwise, protect curtain 41 mobile to the bottom end of tester 1 when spool 42 is rotated counterclockwise,
So that protection curtain 41 covers display 17；When display 17 needs in use, the 4th the pressing according to user of switch 45
It presses work and sends the second control instruction to controller, controller turns clockwise according to the arbor that the second control instruction controls motor 43
It is dynamic, and then spool 42 is driven to rotate clockwise, protect curtain 41 when spool 42 is rotated clockwise just as the top of tester 1 is moved
It is dynamic, so that protection curtain 41 is contained to spool 42.
In conclusion test device provided in an embodiment of the present invention and tester, the selector of test device is according to user
Selection operation select corresponding resistance to be electrically connected from first resistor, second resistance, 3rd resistor and slide resistor, lead to
Crossing slide resistor can satisfy resistance value demand under any voltage condition, pass through first resistor, second resistance and third
Resistance can satisfy the resistance value demand under 110V, 220V and 330V voltage condition, facilitate user according to different voltage feelings
Condition fast and accurately finds corresponding resistance value.
Tester protects display by screen protection device, and preventing tester, display receives in the handling process
It collides and damages, Field Force can also be prevented because of operation error when user does not need the data shown on viewing display
Display is damaged.Also, the mobile tester of user can be convenient by handle device.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of test device is applied to tester, which is characterized in that including selector, first resistor, second resistance, third
Resistance, slide resistor and connecting terminal, one end of the selector be electrically connected to ground, the other end of the selector can
Selection is electrically connected with one end of the first resistor, the second resistance, the 3rd resistor and the slide resistor,
The first resistor, the second resistance, the 3rd resistor and the slide resistor the other end and the terminals
Son electrical connection, the connecting terminal are electrically connected with an insulation monitoring device；
The selector is for operating according to the user's choice from the first resistor, the second resistance, the 3rd resistor
And corresponding resistance is selected to be electrically connected in the slide resistor, in order to detect the whether normal work of the insulation monitoring device
Make.
2. test device as described in claim 1, which is characterized in that the test device further includes display, the display
One end of device is electrically connected with one end of the selector, the other end of the display and the first resistor, second electricity
The other end of resistance, the 3rd resistor and the slide resistor is electrically connected；
The display is used to show the resistance value for the resistance being electrically connected with the selector.
3. test device as described in claim 1, which is characterized in that the test device further includes first switch, and described
One end of one switch is electrically connected with one end of the selector, and the other end of the first switch is electrically connected to ground with described.
4. a kind of tester, which is characterized in that including ontology, handle device, screen protection device and survey as described in claim 1
Trial assembly is set, and the test device further includes display, and one end of the display is electrically connected with one end of the selector, described
The other end of display is another with the first resistor, the second resistance, the 3rd resistor and the slide resistor
One end is electrically connected, and the ontology includes first side, second side and third side, is arranged in the first side
Screen protection device, the display, the selector and the connecting terminal are stated, the handle device is arranged in the second side
On the third side；
The handle device is for providing the device of grasping when the tester is moved for user；
The screen protection device is for protecting the display.
5. tester as claimed in claim 4, which is characterized in that the handle device includes first connecting portion and the second connection
Portion, the first connecting portion include first connecting rod, the second connecting rod and third connecting rod, and the second connecting portion includes first
Connecting rod and second connecting rod, one end of the first connecting rod are connect with one end of the third connecting rod, second connecting rod
One end connect with the other end of the third connecting rod, one end of the other end of the first connecting rod and the first connecting rod
Be flexibly connected, the other end of second connecting rod is flexibly connected with one end of the second connecting rod, the first connecting rod it is another
One end is fixed in the second side, and the other end of the second connecting rod is fixed on the third side.
6. tester as claimed in claim 5, which is characterized in that the handle device further include second switch, first protrusion,
Second protrusion and the first elastic component, first elastic component and the second switch, first protrusion and described second
Protrusion is all connected with, and first protrusion is mounted on the first connecting rod, and second protrusion is mounted on second connection
On bar, the second switch is mounted in the third connecting rod, and first elastic component is mounted on the first connecting rod, institute
It states in the second connecting rod and the third connecting rod.
7. tester as claimed in claim 5, which is characterized in that the handle device further includes that third protrusion and the 4th are convex
It rises, the third protrusion is arranged on the first connecting rod, and the 4th protrusion is arranged in second connecting rod.
8. tester as claimed in claim 4, which is characterized in that the screen protection device includes protecting curtain, spool and motor,
The motor is electrically connected with a controller, and the arbor of the motor is connect with the spool, it is described protection curtain one end with it is described
Spool connection, the spool are mounted on the top of the display.
9. tester as claimed in claim 8, which is characterized in that the screen protection device further includes that third switch and the 4th open
It closes, the third switch and the 4th switch are electrically connected with the controller.
10. tester as claimed in claim 4, which is characterized in that the test device further includes first switch, and described first
One end of switch is electrically connected with one end of the selector, and the other end of the first switch is electrically connected to ground with described, described
First switch is arranged in the first side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870309.4A CN108872821A (en) | 2018-08-02 | 2018-08-02 | A kind of test device and tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870309.4A CN108872821A (en) | 2018-08-02 | 2018-08-02 | A kind of test device and tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108872821A true CN108872821A (en) | 2018-11-23 |
Family
ID=64307454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870309.4A Pending CN108872821A (en) | 2018-08-02 | 2018-08-02 | A kind of test device and tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108872821A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162470A1 (en) * | 2000-06-09 | 2001-12-12 | Florent Mengin | Insulation controller testing apparater for electrical networks |
| CN101216543A (en) * | 2008-01-04 | 2008-07-09 | 广东省电力工业局试验研究所 | DC system earth fault detection and calibration method and its special equipment |
| CN202903993U (en) * | 2012-10-26 | 2013-04-24 | 郑州瑞能电气有限公司 | Portable on-site calibrator for electric energy collection terminal |
| CN105615202A (en) * | 2016-02-20 | 2016-06-01 | 嘉兴市弘朗箱包配件有限公司 | Draw-bar box |
| CN205321510U (en) * | 2015-12-14 | 2016-06-22 | 上海电机学院 | Draw -bar box with arresting gear |
| CN205507056U (en) * | 2016-03-22 | 2016-08-24 | 成都海光核电技术服务有限公司 | Insulating detector and collection module's off -line tester |
| CN106037202A (en) * | 2016-07-28 | 2016-10-26 | 何颂飞 | Sliding support assembly and draw-bar box |
| CN205795117U (en) * | 2016-06-07 | 2016-12-14 | 长兴淑宾纺织有限公司 | Multi-functional anti-dirty draw-bar box |
| CN106291430A (en) * | 2016-09-08 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | Insulation Inspection Device for Direct-Current System pilot system and test method |
| CN205880031U (en) * | 2016-06-28 | 2017-01-11 | 车立志 | Portable electrical safety project comprehensive tester |
| CN106723744A (en) * | 2016-12-31 | 2017-05-31 | 东莞市秦智工业设计有限公司 | A kind of intelligent umbrella with warning function |
| CN206390528U (en) * | 2016-12-29 | 2017-08-11 | 周欢欢 | A kind of knapsack with umbrella fix bar |
| US20170315205A1 (en) * | 2016-04-27 | 2017-11-02 | Bender Gmbh & Co. Kg | Methods and devices for testing the function of an insulation monitoring device |
| CN206671529U (en) * | 2017-04-28 | 2017-11-24 | 王世立 | D.C. isolation monitoring device on-line testing instrument |
| CN107685320A (en) * | 2017-10-28 | 2018-02-13 | 北海南坡腕网络技术有限公司 | A kind of robot portable multifunctional service kit |
| CN207611134U (en) * | 2017-12-23 | 2018-07-13 | 赵富龙 | A kind of device for electric meter maintenance |
| CN208477066U (en) * | 2018-08-02 | 2019-02-05 | 广东电网有限责任公司 | A kind of test device and tester |
-
2018
- 2018-08-02 CN CN201810870309.4A patent/CN108872821A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162470A1 (en) * | 2000-06-09 | 2001-12-12 | Florent Mengin | Insulation controller testing apparater for electrical networks |
| CN101216543A (en) * | 2008-01-04 | 2008-07-09 | 广东省电力工业局试验研究所 | DC system earth fault detection and calibration method and its special equipment |
| CN202903993U (en) * | 2012-10-26 | 2013-04-24 | 郑州瑞能电气有限公司 | Portable on-site calibrator for electric energy collection terminal |
| CN205321510U (en) * | 2015-12-14 | 2016-06-22 | 上海电机学院 | Draw -bar box with arresting gear |
| CN105615202A (en) * | 2016-02-20 | 2016-06-01 | 嘉兴市弘朗箱包配件有限公司 | Draw-bar box |
| CN205507056U (en) * | 2016-03-22 | 2016-08-24 | 成都海光核电技术服务有限公司 | Insulating detector and collection module's off -line tester |
| US20170315205A1 (en) * | 2016-04-27 | 2017-11-02 | Bender Gmbh & Co. Kg | Methods and devices for testing the function of an insulation monitoring device |
| CN205795117U (en) * | 2016-06-07 | 2016-12-14 | 长兴淑宾纺织有限公司 | Multi-functional anti-dirty draw-bar box |
| CN205880031U (en) * | 2016-06-28 | 2017-01-11 | 车立志 | Portable electrical safety project comprehensive tester |
| CN106037202A (en) * | 2016-07-28 | 2016-10-26 | 何颂飞 | Sliding support assembly and draw-bar box |
| CN106291430A (en) * | 2016-09-08 | 2017-01-04 | 国网浙江省电力公司绍兴供电公司 | Insulation Inspection Device for Direct-Current System pilot system and test method |
| CN206390528U (en) * | 2016-12-29 | 2017-08-11 | 周欢欢 | A kind of knapsack with umbrella fix bar |
| CN106723744A (en) * | 2016-12-31 | 2017-05-31 | 东莞市秦智工业设计有限公司 | A kind of intelligent umbrella with warning function |
| CN206671529U (en) * | 2017-04-28 | 2017-11-24 | 王世立 | D.C. isolation monitoring device on-line testing instrument |
| CN107685320A (en) * | 2017-10-28 | 2018-02-13 | 北海南坡腕网络技术有限公司 | A kind of robot portable multifunctional service kit |
| CN207611134U (en) * | 2017-12-23 | 2018-07-13 | 赵富龙 | A kind of device for electric meter maintenance |
| CN208477066U (en) * | 2018-08-02 | 2019-02-05 | 广东电网有限责任公司 | A kind of test device and tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH06506101A (en) | Remote programmable electronic trip system | |
| AU2009327284A1 (en) | A sentinel unit for an IT electrical distribution system having a floating reference conductor | |
| CN105424986B (en) | A kind of auxiliary device for 10kv vacuum circuit breaker high-potting | |
| CN208477066U (en) | A kind of test device and tester | |
| CN112485717A (en) | Power distribution true test load simulation device and method | |
| CN202631656U (en) | Automatic regulating temperature-rise testing device for multi-loop current | |
| KR101324086B1 (en) | Multi-mode tov testing system | |
| US10031174B2 (en) | Apparatus and method for insulation testing of an electrical supply network | |
| US6988061B2 (en) | Operational verification for product safety testers | |
| US11451044B2 (en) | Automated self testing of power grid transformer protection systems | |
| EP2107583B1 (en) | Medium voltage circuit breaker with capacitor bank supervisor. | |
| KR20060075806A (en) | Temporary overvoltage test simulator of surge protective device and the control method | |
| CN108872821A (en) | A kind of test device and tester | |
| JPH01153972A (en) | Insulation test method and apparatus | |
| KR101764777B1 (en) | Educational circuit breaker property visualization apparatus | |
| CN109521311B (en) | Relay protection multi-outlet pressing plate measuring instrument | |
| KR101652835B1 (en) | OLTC Tap selector connection burnout monitoring device | |
| KR102029745B1 (en) | System and method for insulation deterioration monitoring analysis of transformer bushing with bushing tap | |
| JP2804948B2 (en) | Transmission and distribution line fault detector | |
| CN108761373B (en) | Tester | |
| CN106329504A (en) | Backup protection circuit breaker of surge protector and application method of backup protection circuit breaker | |
| CN113406491A (en) | Breaker opening and closing testing device | |
| CN212160011U (en) | Universal test equipment for contactor and relay | |
| CN108279342B (en) | Different voltage performance test system of component | |
| CN114355074A (en) | Testing device and testing method of converter valve system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |